CN117048126A - Beverage cap top forming mechanism - Google Patents

Abstract

The invention discloses a drink cover top forming mechanism, which belongs to the technical field of paper cup manufacturing production equipment and comprises a frame, a first rotary table, a second rotary table and a discharging warehouse, wherein paper sheets are placed in the discharging warehouse, the first rotary table and the second rotary table are respectively arranged in a rotary mode, the discharging warehouse is provided with a paper sucking mechanism in a matched mode, the paper sucking mechanism is connected with a paper sucking station and a paper feeding station which work sequentially, the first rotary table is provided with a clamping mechanism which can be matched with the paper sucking mechanism, the clamping mechanism is provided with a paper clamping station, a hot air station and a paper discharging station which work sequentially, the second rotary table is provided with a cohesion mechanism and a pressing mechanism, the cohesion mechanism is provided with a cohesion station in a matched mode, and the pressing mechanism is provided with a pressing station and a flanging station which can enable paper sheets to be flanged. The invention realizes the automatic operations of blanking, transferring, processing and molding of the paper sheets, has reasonable overall layout and has the characteristics of high efficiency, low cost and small occupied space.

Description

Beverage cap top forming mechanism

Technical Field

The invention belongs to the field of paper cup manufacturing production equipment, and particularly relates to a drink cap top forming mechanism.

Background

Along with the transition of the times and the improvement of living standard, the living rhythm of people is faster and faster, and the instant culture is also popular. The instant culture is based on convenient, sanitary and portable food boxes, beverage cups and disposable tableware. Common beverage cups are typically disposable paper and plastic cups, which are used primarily as beverage carriers in everyday dining. The cup has a packaging cup cover in the packaging field, the common cup cover generally needs to be subjected to processing links such as blanking, bonding, shaping and punching, and the processing links are mostly semi-automatic and semi-manual intervention, so that the processing links are longer in circulation, complex in procedure and lower in efficiency, and the cross contamination risk in the processing process is serious, so that the requirements of packaging of foods, medicines and the like are hardly met.

The existing cup cover forming machine is simple in structure and function, can not process stackable cup covers, is poor in bonding firmness and attractiveness of formed cup covers, most of existing cup covers are formed by injection molding through a mold, the appearance and the structure of products of the existing cup cover forming machine are all dependent on the quality of the mold, burrs are prone to being formed or adhesion occurs after the mold is formed through injection molding and cooling, defective products or rejection rate is high, and manufacturing cost is increased.

Korean patent laid-open publication No. KR1020150101167 discloses a paper cup lid forming apparatus comprising a main body, a feeding unit, a pressing portion, a conveying portion, a pressing portion, and a driving unit consisting of a hollow body forming an opening, the pressing unit being inclined downward on the main body and being movable in a direction opposite to both sides of forming on a forming unit formed on a recess and a holder provided on the main body, being installed in forming punch holes, and a power source being formed between the openings, the conveying portion being installed on the main body, a paperboard forming binary set being stacked with the feeding unit being provided, the paperboard being fed into an inclined forming table by the conveying portion, being punched and formed by pressing through an inclined groove and forming lug, the formed paper cup lid being provided by the conveying portion and then being struck downward by the paperboard. The invention can solve the problems of slow injection molding time and difficult demoulding of the traditional cup cover and improves the manufacturing efficiency. The invention has the following technical aspects to be improved and developed: the paper cup cover formed by pressurizing the device has no drinking mouth, so that direct drinking is inconvenient; and the paper sheet is integrally punched and formed, so that the target shape is easily lost due to inaccurate positioning, and the cost is increased due to the formation of defective products.

Disclosure of Invention

The invention aims to provide a drink mouth cover top forming mechanism capable of automatically blanking, transferring and cohesion forming to improve manufacturing efficiency.

The technical scheme adopted by the invention for achieving the purpose is as follows:

drink cap top forming mechanism includes: the first carousel and the second carousel that rotate the setting still include the blowing storehouse, have the scraps of paper in the blowing storehouse, and the blowing storehouse cooperation is equipped with paper sucking mechanism, and first carousel is connected with a plurality of clamp and puts the mechanism, and the second carousel is equipped with cohesion mechanism, hold-down mechanism and turn-ups mechanism in proper order along scraps of paper travel path.

Preferably, the paper sucking mechanism can suck paper sheets, the paper sucking mechanism is connected with a paper sucking station and a paper feeding station, the paper sucking station is used for driving the paper sucking mechanism to lift, and the paper feeding station is used for driving the paper sucking mechanism to transversely push to the clamping mechanism. The paper sheets stacked in the discharging warehouse fall back after being sucked by the paper sucking station after being jacked up, the sucked paper sheets are transferred to the clamping and placing mechanism through the paper feeding station, and nondestructive automatic feeding is completed through vacuum paper sheet suction, so that abrasion to the paper sheets is reduced, and the product quality is improved.

Preferably, the paper sheet on the paper suction mechanism can be transferred by the clamping mechanism, the paper clamping station, the hot air station and the paper placing station which work sequentially are matched with the clamping mechanism, the paper clamping station can act on the clamping mechanism to clamp the paper sheet on the paper suction mechanism, the hot air station is used for heating and melting the side edge of the paper sheet on the clamping mechanism, and the paper placing station can transfer the paper sheet on the clamping mechanism to the cohesion mechanism for loading. The first carousel can drive when rotating and press from both sides and put mechanism and arrive clamp paper station, hot-blast station and put paper station position department successively, and the normal running fit of first carousel presss from both sides paper station, hot-blast station and puts paper station's operation, has realized that the scraps of paper presss from both sides and gets, heats and transfer the automation that embraces and march, need not manual operation and shifts, improves the location accuracy of scraps of paper when embracing, improves the yield of product to press from both sides the mode that put mechanism presss from both sides and get, helps preventing the adhesion of scraps of paper after the heating, guarantees assembly efficiency.

Preferably, the bottom of the second turntable is connected with a plurality of male dies, the cohesion mechanism can enable paper sheets to be cohesive and attached to the male dies, the cohesion mechanism comprises a female die and a plug which are matched with the male dies, the female die and the plug are connected with the same cohesion station, and the cohesion station can respectively drive the female die and the plug to lift. The female die and the plug can upwards compress paper sheets positioned at the paper placing station in the male die, the side openings are close when the paper sheets are compressed, so that a three-dimensional structure with a drink opening is formed by enclosing, the possibility of slipping when the paper sheets are compressed is reduced by the scheme that the paper sheets are enclosed by compressing the paper sheets, the yield is improved, the paper sheets are expanded outwards at the openings due to elastic recovery after being enclosed, adhesion is formed on the male die, the second turntable can drive the paper sheets on the male die to move so as to facilitate subsequent side compressing and flanging procedures, the arrangement of a paper sheet fastening device is reduced, the cost is reduced, the extrusion deformation caused by implementation of the paper sheets is also reduced, and defective products are formed.

Preferably, the pressing mechanism can press and adhere the melted side edge of the paper sheet attached to the inner side of the male die, the pressing mechanism comprises a pressing cutter, the pressing mechanism is connected with a pressing station, and the pressing station is used for pushing the pressing cutter.

Preferably, the flanging mechanism can be used for flanging paper sheets attached to the male die into a shape, the second turntable is connected with a plurality of flanging upper dies, the flanging mechanism comprises a flanging lower die matched with the flanging upper dies, the flanging upper dies are sleeved outside the male die and movably connected with the second turntable, the flanging upper dies are connected with a pressing station, the flanging lower dies are connected with a flanging station, and the pressing station and the flanging station can enable the flanging upper dies and the flanging lower dies to be close to each other.

Preferably, the paper clamping and placing mechanism comprises a lower clamping plate fixed with the first rotating disc, an upper clamping plate is arranged above the lower clamping plate, paper clamping sliding rods penetrating through the first rotating disc are symmetrically fixed on the upper clamping plate, lifting heads are fixed at the bottoms of the paper clamping sliding rods, paper clamping springs are sleeved outside the paper clamping sliding rods, the paper clamping springs are located between the lower end face of the first rotating disc and the lifting heads, and the paper clamping stations and the paper placing stations can respectively contact and jack the lifting heads. The paper clamping station jack-up lifting head, lifting head moves up and drives paper clamping slide bar and punch holder and leave the lower plate, press the clamp spring simultaneously, back after the work position of feeding paper passes the scraps of paper to between punch holder and the lower plate this moment, the clamp paper station is back, lifting head loses the lift force, clamp paper spring resets and makes punch holder lower pressure splint clamp and get the scraps of paper so that follow-up transfer, clamp spring makes once lift and realizes opening and pressing from both sides of two splint, the load of clamp station has been reduced in order to reduce metal fatigue, improve life, utilize elasticity self-holding scraps of paper simultaneously, avoided mechanical force excessive centre gripping scraps of paper to arouse deformation or bending, the quality of scraps of paper has been guaranteed, improve yield and finished product quality.

Preferably, the top is located the female die inboard and two sliding connection, and the station of embracing includes coaxial drive installation's first cam and second cam, and first cam swing joint has first connecting piece, and second cam swing joint has the second connecting piece, and first connecting piece is connected with the female die bottom, and first cam drives the vertical lift of female die through first connecting piece, and the second cam drives the vertical lift of top through the second connecting piece, and the lift of female die is lagged behind relative top's of lift. The first cam and the second cam are coaxially driven to rotate, the second cam and the first cam are arranged, the second cam drives the second connecting piece to reach the travel high point of the second connecting piece earlier, the first cam drives the first connecting piece to reach the travel high point and lag behind the second connecting piece, accordingly the top head is lifted to press the paper piece on the male die above the top head first, the first binding shape of the paper piece is formed, then the female die is lifted on the outer side of the top head to press the paper piece for the second time, the shape of the paper piece after the second binding is formed, the paper piece is pressed differently for two times successively through rotation of the primary driving shaft, the possibility of wrinkling of the paper piece bending part during primary pressing binding is reduced, meanwhile, the power consumption and the mechanical travel of the driving end are reduced, the cost is reduced, and the service life is prolonged.

Preferably, the flanging upper die is provided with an upper die pressing plate above the second rotary table, a plurality of upper die connecting shafts are fixed between the flanging upper die and the upper die pressing plate, a plurality of linear bearings are fixed on the second rotary table, the upper die connecting shafts penetrate through the linear bearings and are in sliding connection with the linear bearings, an upper die spring is sleeved outside the upper die connecting shafts and is positioned between the upper die pressing plate and the upper end face of the second rotary table, and the pressing station can contact and press the upper die pressing plate. When the flanging station descends to push the upper die plate, the upper die plate drives the upper die connecting shaft and the flanging upper die to move downwards, meanwhile, the upper die spring is pressed, the downwards moved flanging upper die is matched with the ascending flanging lower die and the fixed male die to form a final product for flanging the outer side of the paper sheet, after the flanging is finished, the upper die spring recovers deformation to drive the flanging upper die to leave the side of the male die, the paper sheet is convenient to finally leave the male die and collect the finished product, the automatic rebound of the flanging upper die reduces the interference of the flanging back with the impact of the second turntable, the protection device also reduces the stroke of the flanging station, and the mechanical fatigue is reduced.

The invention adopts the structure that a plurality of mechanisms and stations are sequentially arranged according to the paper transfer path, thereby having the following beneficial effects: the paper sucking mechanism performs vacuum adsorption on paper sheets through lifting, so that abrasion of the paper sheets is avoided, and the product quality is improved; the clamping mechanism rotates along with the first rotating disc to clamp, heat and transfer paper sheets in sequence, so that automatic transfer before cohesion is realized, and the manufacturing efficiency is improved; the paper clamping spring is matched with the paper clamping station and the paper placing station to execute a lifting action once, so that paper sheets can be clamped and released, mechanical fatigue is reduced, impact interference is reduced, and the service life is prolonged; the clamping mechanism clamps the paper sheets to reach the paper placing station after being heated and melted by the hot air station, so that the probability of adhesion of the manual transfer heating paper sheets is reduced, the paper sheets are prevented from being scrapped, the paper sheet posture is ensured, and the follow-up cohesion shaping is facilitated; the paper sheets can be outwards expanded and attached to the male die after being cohesive, and saturated paper sheet transfer is realized by matching with the rotation of the second turntable, so that the layout of a transfer mechanism is reduced, and the cost and layout space are reduced; the jacking head and the female die realize jacking actions twice successively through one driving end, so that slip probability of paper sheets is reduced, defective rate is reduced, driving device layout is reduced, and cost is reduced; the flanging upper die is retracted after the flanging is pressed downwards through the upper die spring, the pressing stroke of the flanging station is reduced to reduce mechanical fatigue, and meanwhile, interference of flanging and falling back is buffered, so that products and devices are protected. Therefore, the invention is a drink mouth cover top forming mechanism with high manufacturing efficiency, which can automatically feed, transfer and cohesion forming.

Drawings

FIG. 1 is a schematic illustration of the present invention as assembled;

FIG. 2 is a schematic diagram of the assembled forward direction of the present invention;

FIG. 3 is a schematic diagram of a paper suction mechanism connected to a paper feed station;

FIG. 4 is a schematic diagram of a paper suction mechanism connected to a paper suction station;

FIG. 5 is a schematic view of a paper suction station;

FIG. 6 is a schematic diagram of the structure of the paper clamping station and the paper placing station;

FIG. 7 is an enlarged schematic view of area A of FIG. 6;

FIG. 8 is a schematic view of a hot air station;

FIG. 9 is a schematic view of the working positions of the cohesion station and the cohesion mechanism;

FIG. 10 is a schematic illustration of a hold-down mechanism coupled to a hold-down station;

FIG. 11 is a schematic view of the working positions of the flanging die and the press-fit station;

FIG. 12 is a schematic diagram of the connection of the flanging lower die to the flanging station;

FIG. 13 is a schematic view of the sheet after passing through the hot air station;

FIG. 14 is a schematic view showing a state after the paper sheet is wrapped;

fig. 15 is a schematic view of the state after the paper sheet is turned up.

Reference numerals: a frame; a first rotating disc 1; a second turntable 2; a male die 20; an upper die 21; an upper die platen 22; an upper die connecting shaft 23; a linear bearing 24; an upper die spring 25; a discharging warehouse 3; a paper sheet; a paper suction mechanism 4; a suction head 40; a suction head holder 41; a suction head slide bar 42; a suction head jack 43; a paper suction spring 44; a paper suction station 45; a suction sheet holder 450; a suction swing lever 451; a suction sheet cam 452; a paper suction ejector rod 453; paper sucking bearing seat 454; a first drive shaft; a paper feed station 46; a motor 460; a guide rail 461; a crank 462; a rocker 463; a slider 464; a clamping mechanism 5; a lower clamping plate 50; an upper clamping plate 51; a paper clamping slide bar 52; a lift head 53; a paper clip spring 54; a paper clamping station 55; a paper clamping bracket 550; a paper clamping rocker 551; a pinch cam 552; a paper clamping ejector rod 553; a paper clamping bearing seat 554; a second drive shaft; a hot air station 56; a heater 560; a hot air head 561; a backing block holder 562; guide support block 563; a paper feed station 57; a paper feed holder 570; a paper-placing rocker 571; a paper discharge cam 572; a paper-placing adjusting lever 573; a paper-placing bottom plate 574; a paper top plate 575; a paper-placing slide bar 576; a paper-placing bearing seat 577; a support block 578; a third drive shaft; a stop bar slide bar 60; a paper sheet bar 61; a cohesion mechanism 7; a master mold 70; a plug 71; a cohesion station 75; a first cam 750; a second cam 751; a first connector 752; a second connector 753; a pressing mechanism 8; a pressing blade 80; a pressing spring sleeve 81; compressing the bearing seat 82; the pressing slide bar 83; a compaction station 84; a flanging mechanism 9; a flanging lower die 90; a jacket 91; a fixed shaft 92; a lower die spring 93; a press station 94; a flanging station 95.

Detailed Description

The technical scheme of the invention is further described in detail below with reference to the specific embodiments and the attached drawings:

it will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Drink cap top forming mechanism includes: the first carousel 1 and the second carousel 2 that rotate the setting still include blowing storehouse 3, have the scraps of paper in the blowing storehouse 3, and blowing storehouse 3 cooperation is equipped with paper sucking mechanism 4, and first carousel 1 is connected with a plurality of clamp and puts the mechanism, and second carousel 2 is equipped with cohesion mechanism 7, hold-down mechanism 8 and turn-ups mechanism 9 in proper order along scraps of paper travel path.

The paper sucking mechanism 4 can suck paper sheets, the paper sucking mechanism 4 is connected with a paper sucking station 45 and a paper feeding station 46, the paper sucking station 45 is used for driving the paper sucking mechanism 4 to lift, and the paper feeding station 46 is used for driving the paper sucking mechanism 4 to transversely push to the clamping mechanism.

The paper sucking station 45 is pushed up and then retreated to enable the paper sheets stacked in the discharging warehouse 3 to fall back after being sucked, the sucked paper sheets are transferred to the clamping and placing mechanism through the paper feeding station 46, and nondestructive automatic feeding of the paper sheets is completed through vacuum suction, so that abrasion of the paper sheets is reduced, and the product quality is improved.

The paper sucking mechanism 4 comprises a sucking head 40 arranged below the discharging warehouse 3, a pipe body capable of vacuum adsorption is arranged in the sucking head 40, a pump body is connected to the outside of the pipe body, a sucking head support 41 is arranged below the sucking head 40, the sucking head support 41 is fixedly connected with a rack, a sucking head sliding rod 42 penetrating through the sucking head support 41 and in sliding connection with the sucking head support 41 is fixed at the bottom of the sucking head 40, a sucking head jacking block 43 is fixed at the bottom end of the sucking head sliding rod 42, a paper sucking spring 44 is arranged between the sucking head jacking block 43 and the sucking head support 41, and the paper sucking spring 44 is sleeved on the sucking head sliding rod 42.

The paper sucking station 45 comprises a paper sucking bracket 450 fixedly connected with a frame, the paper sucking bracket 450 is hinged with a paper sucking rocker 451, the paper sucking rocker 451 is connected with a paper sucking cam 452 through a first CF bearing, the tail end of the paper sucking rocker 451 is connected with a paper sucking ejector 453 through a first eye ring, a paper sucking bearing seat 454 fixed with the frame is arranged on an outer sleeve 91 of the paper sucking ejector 453, a first transmission shaft capable of rotating is arranged on the paper sucking cam 452, the first transmission shaft rotates to enable the paper sucking cam 452 to rotate, so that the paper sucking rocker 451 drives the paper sucking ejector 453 to vertically lift in the paper sucking bearing seat 454, the paper sucking ejector 453 contacts with and pushes up a suction head ejector block 43 when rising, the suction head ejector block 43 drives a suction head 40 to lift relative to the suction head bracket 41 through a suction head sliding rod 42, meanwhile, a suction head spring 44 is pressed, the suction head 40 is adsorbed in a discharging warehouse 3, the paper sucking ejector 453 continuously rotates downwards along with the paper sucking cam 452, the ejector block 43 loses the jacking force of the paper sucking ejector 453, and the suction head 40 is enabled to fall off due to the recovery deformation of the spring 44, and the suction head moves up.

The paper feeding station 46 comprises a motor 460, a shell of the motor 460 is fixedly connected with a frame, the paper feeding station 46 further comprises a guide rail 461 fixed with the frame, a driving end of the motor 460 is connected with a crank 462, a rocker 463 is connected with the tail end of the crank 462, the same sliding block 464 is fixed between the tail end of the rocker 463 and the suction head bracket 41, the sliding block 464 is matched with the guide rail 461, the sliding block 464 can slide on the guide rail 461, when the adsorption action is finished, the motor 460 controls the driving end of the sliding block 464 to rotate, the crank 462 drives the rocker 463 to move so as to push the sliding block 464 to slide on the guide rail 461, the suction head 40 adsorbing paper sheets is close to the clamping mechanism, and the paper sheets are received and clamped by the clamping mechanism.

The paper clamping mechanism 5 can transfer paper sheets on the paper suction mechanism 4, the paper clamping mechanism 5 is provided with a paper clamping station 55, a hot air station 56 and a paper placing station 57 which work sequentially in a matched mode, the paper clamping station 55 can act on the paper clamping mechanism 5 to clamp the paper sheets on the paper suction mechanism 4, the hot air station 56 is used for heating and melting the side edges of the paper sheets on the paper clamping mechanism 5, and the paper placing station 57 can transfer the paper sheets on the paper clamping mechanism 5 to the cohesion mechanism 7 for loading.

The first carousel 1 can drive when rotating and press from both sides and put the mechanism and arrive paper clamping station 55, hot-blast station 56 and put paper station 57 position department successively, and the running of first carousel 1's normal running fit paper clamping station 55, hot-blast station 56 and put paper station 57 has realized that the scraps of paper press from both sides and get, heat and transfer the automation that embraces and march, need not manual operation and shift, improves the alignment accuracy of scraps of paper when embracing, improves the yield of product to press from both sides the mode that puts the mechanism and press from both sides and get, help preventing the adhesion of scraps of paper after heating, guarantee assembly efficiency.

The paper clamping and placing mechanism comprises a lower clamping plate 50 fixed with the first rotating disc 1, an upper clamping plate 51 is arranged above the lower clamping plate 50, paper clamping slide rods 52 penetrating through the first rotating disc 1 are symmetrically fixed on the upper clamping plate 51, lifting heads 53 are fixed at the bottoms of the paper clamping slide rods 52, paper clamping springs 54 are arranged on the outer sleeves 91 of the paper clamping slide rods 52, the paper clamping springs 54 are located between the lower end face of the first rotating disc 1 and the lifting heads 53, and paper clamping stations 55 and paper placing stations 57 can respectively contact and lift the lifting heads 53.

The paper clamping station 55 comprises a paper clamping bracket 550 fixed with the frame, the paper clamping bracket 550 is connected with a paper clamping rocker 551, the paper clamping rocker 551 is connected with a paper clamping cam 552 through a second CF bearing, the tail end of the paper clamping rocker 551 is connected with a paper clamping ejector rod 553 in a crossing way, a paper clamping bearing seat 554 fixedly connected with the frame is sleeved outside the paper clamping ejector rod 553, the paper clamping cam 552 is provided with a second transmission shaft, the second transmission shaft rotates to enable the paper clamping cam 552 to rotate, so that the paper clamping rocker 551 drives the paper clamping ejector rod 553 to vertically lift in the paper clamping bearing seat 554, the paper clamping ejector rod 553 contacts and pushes a lifting head 53 upwards when being lifted, the lifting head 53 drives an upper clamping plate 51 to leave a lower clamping plate 50 through a paper clamping slide rod 52, meanwhile, a paper clamping spring 54 is compressed, at the moment, the paper feeding station 46 moves a paper sheet between the upper clamping plate 51 and the lower clamping plate 50 and then rolls back, meanwhile the paper clamping ejector rod 553 continuously rotates and descends along with the continuous rotation of the paper clamping cam 552, the lifting head 53 loses the lifting force of the paper clamping ejector rod 553, the paper clamping spring 54 resumes deformation to enable the upper clamping plate 51 to descend and clamp the lower clamping plate 50, and the paper clamping action is completed.

The hot air station 56 comprises a heater 560 fixed with the frame, a hot air head 561 is fixedly arranged at the tail end of the heater 560, the hot air head 561 is provided with a groove body which can enable paper sheets clamped on the clamping mechanism to transversely rotate and pass through, the hot air station 56 also comprises a support block bracket 562 fixed with the frame, and a guide support block 563 for guiding the bottom of the paper sheets passing through the groove body of the hot air head 561 is arranged on the support block bracket 562. When the clamping mechanism carries paper sheets to the position of the groove body, the heater 560 heats to enable the hot air head 561 to output hot air flow to heat and melt the opening of the paper sheets, so that follow-up cohesion and compaction control are facilitated, the guide support block 563 supports the bottom of the paper sheets and guides the paper sheets in place, and the paper sheets are prevented from being bent at the clamped position due to the influence of hot air, so that waste products are formed.

The paper placing station 57 comprises a paper placing support 570 fixed with a frame, the paper placing support 570 is hinged with a paper placing rocker 571, the paper placing rocker 571 is connected with a paper placing cam 572 through a third CF bearing, the tail end of the paper placing rocker 571 is connected with a paper placing adjusting rod 573, the paper placing adjusting rod 573 is connected with a paper placing bottom plate 574, the paper placing top plate 575 is fixed above the paper placing bottom plate 574 through the paper placing sliding rod 576, a plurality of paper placing bearing seats 577 fixed with the frame are arranged on an outer sleeve 91 of the paper placing sliding rod 576, a supporting block 578 arranged corresponding to the lifting head 53 is fixed on the paper placing top plate 575, the supporting block 578 is an arc-shaped long bar, the paper placing cam 572 is provided with a third rotating shaft, the third rotating shaft rotates to enable the paper placing cam 572 to rotate, so as to drive the paper placing adjusting rod 573 to move, and meanwhile, the paper placing sliding rod 573 is matched with the paper placing bottom plate 573 to slide in the paper placing bearing seats 577, so that the paper placing bottom plate 574 and the paper placing top plate 575 are enabled to abut against the lifting head 53, the upper clamping plate 51 to leave the lower clamping plate 50, the subsequent clamping mechanism 7 to clamp the first clamping mechanism 1 to clamp the paper placing mechanism, and the first clamping mechanism 578 and the paper placing mechanism 50 is enabled to be not to contact with the lower clamping plate 50 when the arc-shaped clamping mechanism and the first clamping mechanism clamping the paper placing clamp the lower clamping plate 53 to be kept in contact with the lower clamping plate 50.

The clamping spring enables the two clamping plates to be opened and clamped once in lifting mode, the load of the clamping station is reduced, metal fatigue is reduced, the service life is prolonged, meanwhile, the paper sheets are clamped automatically through elasticity, deformation or bending caused by excessive clamping of the paper sheets by mechanical force is avoided, the quality of the paper sheets is guaranteed, and the yield and the quality of finished products are improved.

The first carousel 1 can drive when rotating and press from both sides and put the mechanism and arrive paper clamping station 55, hot-blast station 56 and put paper station 57 position department successively, and the running of first carousel 1's normal running fit paper clamping station 55, hot-blast station 56 and put paper station 57 has realized that the scraps of paper press from both sides and get, heat and transfer the automation that embraces and march, need not manual operation and shift, improves the alignment accuracy of scraps of paper when embracing, improves the yield of product to press from both sides the mode that puts the mechanism and press from both sides and get, help preventing the adhesion of scraps of paper after heating, guarantee assembly efficiency.

The bottom of the second turntable 2 is connected with a plurality of male dies 20, the cohesion mechanism 7 can enable paper sheets to be cohesive and attached to the male dies 20, the cohesion mechanism 7 comprises a female die 70 and a top 71 which are matched with the male dies 20, the female die 70 and the top 71 are connected with the same cohesion station 75, and the cohesion station 75 can respectively drive the female die 70 and the top 71 to lift.

The female die 70 and the plug 71 can be lifted to press the paper sheets at the paper placing station 57 upwards in the male die 20, the side openings are closed when the paper sheets are pressed, so that a three-dimensional structure with a drinking port is formed by enclosing, the possibility of slipping when the paper sheets are pressed is reduced by the scheme that the paper sheets are enclosed again when the opening is pressed, the yield is improved, the paper sheets are expanded outwards at the opening due to elastic recovery after being enclosed, the adhesion on the male die 20 is formed, the second turntable 2 can drive the paper sheets on the male die 20 to move so as to facilitate the subsequent side pressing and flanging procedures, the arrangement of a fastening paper sheet device is reduced, the cost is reduced, and the extrusion deformation caused by the implementation of the fastening paper sheets is also reduced, so that defective products are formed.

The pressing mechanism 8 can press and adhere the melted side edges of the paper sheets attached to the inner side of the male die 20, the pressing mechanism 8 comprises a pressing knife 80, the pressing mechanism 8 is connected with a pressing station 84, and the pressing station 84 is used for pushing the pressing knife 80.

The pressing mechanism 8 further comprises a pressing spring sleeve 81 fixed to the frame, a pressing bearing seat 82 is fixed in the pressing spring sleeve 81, a pressing sliding rod 83 is slidably connected in the pressing bearing seat 82, one end of the pressing sliding rod 83 is fixed to the pressing knife 80, the other end of the pressing sliding rod is connected with a pressing station 84, and the pressing station 84 can drive the pressing sliding rod 83 to slide in the pressing bearing seat 82, so that the pressing knife 80 is driven to push forwards, and pressing adhesion is achieved on the melted side edge of the opening of the wrapped paper sheet.

The flanging mechanism 9 can be used for flanging paper sheets attached to the male die 20 into a shape, the second turntable 2 is connected with a plurality of flanging upper dies 21, the flanging mechanism 9 comprises a flanging lower die 90 which is matched with the flanging upper dies 21, the flanging upper dies 21 are sleeved on the outer side of the male die 20 and are movably connected with the second turntable 2, the flanging upper dies 21 are connected with a pressing station 94, the flanging lower dies 90 are connected with a flanging station 95, and the pressing station 94 and the flanging station 95 can enable the flanging upper dies 21 and the flanging lower dies 90 to be close to each other respectively.

The top 71 is located the female die 70 inboard and the two sliding connection, and cohesion station 75 includes coaxial drive installation's first cam 750 and second cam 751, and first cam 750 swing joint has first connecting piece 752, and second cam 751 swing joint has second connecting piece 753, and first connecting piece 752 is connected with the female die 70 bottom, and first cam 750 drives female die 70 through first connecting piece 752 and vertically goes up and down, and second cam 751 drives the vertical lift of top 71 through second connecting piece 753, and the lift of female die 70 is lagged behind the lift of top 71.

The first cam 750 and the second cam 751 are coaxially driven to rotate, wherein the second cam 751 and the first cam 750 are arranged in a mode that the second cam 751 drives the second connecting piece 753 to reach the stroke high point earlier, and the first cam 750 drives the first connecting piece 752 to reach the stroke high point and lag behind the second connecting piece 753, so that the top 71 is lifted to press the paper sheet on the male die 20 above the top to form a first binding shape of the paper sheet, then the female die 70 is lifted on the outer side of the top 71 to press the paper sheet for the second time to form a shape after the second binding of the paper sheet, the paper sheet is successively pressed for two times through rotation of the driving shaft for one time, the possibility of wrinkling of a bending part of the paper sheet during one time binding is reduced, meanwhile, the power consumption and the mechanical stroke of the driving end are reduced, the cost is reduced, and the service life is prolonged.

The frame fixedly connected with shelves strip slide bar 60, sliding connection has scraps of paper shelves strip 6 on shelves strip slide bar 60, and scraps of paper shelves strip 6 can carry out spacingly to ascending scraps of paper when embracing, prevents that it from dropping.

The upper flanging die 21 is provided with an upper die pressing plate 22 above the second turntable 2, a plurality of upper die connecting shafts 23 are fixed between the upper flanging die 21 and the upper die pressing plate 22, a plurality of linear bearings 24 are fixed on the second turntable 2, the upper die connecting shafts 23 penetrate through the linear bearings 24 and are in sliding connection with the linear bearings 24, an upper die spring 25 is arranged on an outer sleeve 91 of the upper die connecting shafts 23, the upper die spring 25 is positioned between the upper die pressing plate 22 and the upper end face of the second turntable 2, and a pressing station 94 can contact and press the upper die pressing plate 22.

The bottom of the flanging lower die 90 is provided with an outer sleeve 91, a fixed shaft 92 is fixed in the outer sleeve 91, an inserted link for preventing the fixed shaft 92 from rotating is also fixed in the outer sleeve 91, the top end of the fixed shaft 92 extends out of the outer sleeve 91 and is in sliding connection with the flanging lower die 90, a lower die spring 93 is sleeved on the fixed shaft 92, the lower die spring 93 is positioned between the flanging lower die 90 and the outer sleeve 91, the bottom of the outer sleeve 91 is fixed and a flanging station 95 is fixed, the flanging station 95 can drive the outer sleeve 91 to vertically lift, the flanging lower die 90 is synchronously driven to lift up and prop up the male die 20 when the flanging station 95 drives the outer sleeve 91 to lift up, paper sheets are pressed between the flanging lower die 90 and the male die 20, the flanging lower die is completed, and the flanging upper die is waited to be pressed down for flanging.

When the pressing station 94 descends to push the upper die pressing plate 22, the upper die pressing plate 22 drives the upper die connecting shaft 23 and the flanging upper die 21 to move downwards, meanwhile, the upper die spring 25 is pressed, the downwards-moving flanging upper die 21 is matched with the ascending flanging lower die 90 and the fixed male die 20 to form a final product for flanging the outer side of the paper sheet, after the flanging is finished, the upper die spring 25 recovers deformation to drive the flanging upper die 21 to leave the side of the male die 20, so that the paper sheet finally leaves the male die 20 and the finished product is collected, the automatic rebound of the flanging upper die 21 reduces the interference of the flanging with the second turntable 2, protects the device, simultaneously reduces the stroke of the flanging station 95, and reduces the mechanical fatigue.

The drink cap forming device comprises the following steps:

step one, the paper sucking mechanism 4 is jacked up by the paper sucking station 45 and descends after sucking paper sheets, and the paper sucking mechanism 4 is pushed by the paper feeding station 46, so that the paper sheets are sucked by the paper sucking mechanism 4 and transferred to the clamping mechanism 5;

step two, the paper clamping mechanism 5 is acted by the paper feeding station 55 to clamp the paper, the first rotary table 1 rotates to enable the paper to reach the hot air station 56, the paper is partially melted, the first rotary table 1 rotates again to transfer the partially melted paper to the position of the paper placing station 57, and the paper placing station 57 operates to enable the paper clamping mechanism 5 to release the paper to the cohesion mechanism 7 and to carry out cohesion forming through the cohesion station 75;

thirdly, after the paper sheets are cohesive and formed, the compressing mechanism 8 compresses and bonds the cohesive and melted parts of the paper sheets under the action of the compressing station 84;

step four, the second turntable 2 rotates to transfer the paper sheets to the flanging mechanism 9, the flanging mechanism 9 acts on the flanging lower die 90 to perform primary flanging operation, and then the pressing station 94 acts on the flanging upper die 21 to perform secondary flanging operation to perform paper sheet flanging molding.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. Drink cap top forming mechanism includes: the first rotary table (1) and the second rotary table (2) are rotatably arranged, the machine further comprises a discharging warehouse (3), paper sheets are arranged in the discharging warehouse (3),

the paper feeding device is characterized in that the paper feeding warehouse (3) is provided with a paper sucking mechanism (4) in a matched mode, the first rotary disc (1) is connected with a plurality of clamping and discharging mechanisms (5), and the second rotary disc (2) is provided with a cohesion mechanism (7), a pressing mechanism (8) and a flanging mechanism (9) in sequence along the paper sheet advancing path.

2. The beverage cap top molding mechanism of claim 1, wherein: the paper sucking mechanism (4) can adsorb the paper sheets, the paper sucking mechanism (4) is connected with a paper sucking station (45) and a paper feeding station (46), the paper sucking station (45) is used for driving the paper sucking mechanism (4) to lift, and the paper feeding station (46) is used for driving the paper sucking mechanism (4) to transversely push to the clamping mechanism (5).

3. The beverage cap top molding mechanism of claim 2, wherein: the paper clamping and placing mechanism is characterized in that the paper clamping and placing mechanism (5) can transfer paper on the paper suction mechanism (4), a paper clamping station (55), a hot air station (56) and a paper placing station (57) which work sequentially are arranged in a matched mode, the paper clamping station (55) can act on the paper clamping and placing mechanism (5) to clamp paper on the paper suction mechanism (4), the hot air station (56) can heat and melt paper sides on the paper clamping and placing mechanism (5), and the paper placing station (57) can transfer paper on the paper clamping and placing mechanism (5) to the cohesion mechanism (7) for loading.

4. The beverage cap top molding mechanism of claim 3, wherein: the utility model discloses a paper sheet, including first carousel (2), second carousel (2) bottom is connected with a plurality of male mould (20), cohesion mechanism (7) enable the paper sheet is embraced into and is attached to male mould (20), cohesion mechanism (7) include with female mould (70) and top (71) that male mould (20) cooperation set up, female mould (70) with top (71) are connected with same cohesion station (77), cohesion station (77) can drive respectively female mould (70) with top (71) go up and down.

5. The beverage cap top molding mechanism of claim 4, wherein: the pressing mechanism (8) can press and adhere the melting side edge of the paper sheet attached to the inner side of the male die (20), the pressing mechanism (8) comprises a pressing knife (80), the pressing mechanism (8) is connected with a pressing station (84), and the pressing station (84) is used for pushing the pressing knife (80).

6. The beverage cap top molding mechanism of claim 5, wherein: the flanging mechanism (9) can be to attaching to the paper sheet flanging of public mould (20) shaping, second carousel (2) are connected with a plurality of flanging dies (21), flanging mechanism (9) include with flanging die (90) that flanging die (21) cooperation set up, flanging die (21) cover is located public mould (20) outside and with second carousel (2) swing joint, flanging die (21) are connected with pressfitting station (94), flanging die (90) are connected with flanging station (95), pressfitting station (94) with flanging station (95) can make respectively flanging die (21) with flanging die (90) are close to.

7. The beverage cap top molding mechanism of claim 3, wherein: the paper clamping and placing mechanism comprises a lower clamping plate (50) fixed with a first rotating disc (1), an upper clamping plate (51) is arranged above the lower clamping plate (50), paper clamping sliding rods (52) penetrating through the first rotating disc (1) are symmetrically fixed to the upper clamping plate (51), lifting heads (53) are fixed to the bottoms of the paper clamping sliding rods (52), paper clamping springs (54) are sleeved outside the paper clamping sliding rods (52), the paper clamping springs (54) are located between the lower end face of the first rotating disc (1) and the lifting heads (53), and paper clamping stations (55) and paper placing stations (57) can respectively contact and jack the lifting heads (53).

8. The beverage cap top molding mechanism of claim 4, wherein: the utility model discloses a female die (70) is located in, top (71) are located female die (70) inboard and two sliding connection, cohesion station (75) are including coaxial drive installation's first cam (750) and second cam (751), first cam (750) swing joint has first connecting piece (752), second cam (751) swing joint has second connecting piece (753), first connecting piece (752) with female die (70) bottom is connected, first cam (750) pass through first connecting piece (752) drive female die (70) vertical lift, second cam (7) pass through second connecting piece (753) drive top (71) vertical lift, the lift of female die (70) is relative lift hysteresis of top (71).

9. The beverage cap top molding mechanism of claim 6, wherein: the flanging upper die (21) is provided with an upper die pressing plate (22) above the second rotating disc (2), a plurality of upper die connecting shafts (23) are fixed between the flanging upper die (21) and the upper die pressing plate (22), a plurality of linear bearings (24) are fixed on the second rotating disc (2), the upper die connecting shafts (23) penetrate through the linear bearings (24) and are in sliding connection with the linear bearings, an upper die spring (25) is sleeved outside the upper die connecting shafts (23), the upper die spring (25) is located between the upper die pressing plate (22) and the upper end face of the second rotating disc (2), and the pressing station (94) can contact and press the upper die pressing plate (22).

10. A method for forming a top of a drinking cap, using the drinking cap forming device of claim 6, comprising the steps of:

step one, the paper sucking mechanism (4) adsorbs the paper sheets and transfers the paper sheets to the clamping mechanism (5);

step two, the first rotating disc (1) rotates to enable the paper sheets to be partially melted, the first rotating disc (1) rotates again, and the paper sheets are transferred to the cohesion mechanism (7) to be subjected to cohesion molding;

thirdly, the compressing mechanism (8) compresses and bonds the cohesion and fusion part of the paper sheet;

and step four, transferring the paper sheets to a flanging mechanism (9) for flanging forming by rotating the second turntable (2).