CN116160665A

CN116160665A - Automatic trimming machine for plastic cup rim

Info

Publication number: CN116160665A
Application number: CN202310448567.4A
Authority: CN
Inventors: 张长灿; 田英红; 张世业; 张世诚; 徐海泉; 田英英
Original assignee: Hebei Yecheng Plastic Products Co ltd
Current assignee: Hebei Yecheng Plastic Products Co ltd
Priority date: 2023-04-24
Filing date: 2023-04-24
Publication date: 2023-05-26
Anticipated expiration: 2043-04-24
Also published as: CN116160665B

Abstract

The invention relates to the technical field of plastic cup production, in particular to an automatic edge trimmer for a plastic cup rim, which comprises a support frame, a rotating plate, connecting plates, electric hot frits and the like, wherein the rotating plate is connected to the support frame in a rotating manner, at least six connecting plates are connected to the support frame in a circumferential direction at uniform intervals, and the electric hot frits for heating the plastic cup rim are arranged on the connecting plates. The speed reducing motor can enable the positions of the semicircular plates on the upper side and the lower side to be exchanged, automatically enable the plastic cup to fall on the cup supporting frame in sequence, control the motor to drive the rotating plate and the extruding plate to rotate, enable the compressing plate to compress and push the plastic cup, enable the rim of the cup opening of the plastic cup to be folded upwards through the electric hot frit, then control the electric push rod to drive the lifting rod, the lifting plate and the plastic cup to move upwards, enable the trimming block to rotate towards one side close to the rim of the plastic cup, enable the rim of the plastic cup to be folded inwards and downwards, and automatically trim a plurality of rims of the plastic cup at the same time, so that the working efficiency is improved.

Description

Automatic trimming machine for plastic cup rim

Technical Field

The invention relates to the technical field of plastic cup production, in particular to an automatic trimming machine for a cup mouth of a plastic cup.

Background

At present, the rim of the stretched or blow-molded plastic cup is generally sharp, so that the rim of the plastic cup needs to be trimmed, the rim of the plastic cup is folded downwards, and the rim of the cup is folded inwards and upwards, so that the rim of the plastic cup is smooth.

The patent publication No. CN 216032444U's chinese patent discloses a rim of a cup hemming machine, including base, mounting bracket and dust collection storehouse, the mounting bracket is installed to the one end at base top, and the dust collection storehouse is installed to the other end at base top, step motor is installed to the intermediate position department of mounting bracket bottom, and step motor's output installs first pivot.

The rim of a cup to the plastic cup is trimmed through the hemming screw, but after the trimming is finished, the stepping motor needs to be controlled to drive the turntable to rotate 180 degrees, then the next plastic cup is trimmed, and therefore only one plastic cup can be trimmed each time.

Disclosure of Invention

The invention aims to overcome the defects that only one plastic cup can be trimmed at a time in the prior art, and a large amount of labor is consumed for installing and feeding the plastic cups, so that the working efficiency is influenced.

The technical implementation scheme of the invention is as follows: the utility model provides an automatic trimmer of plastics cup rim of a cup, which comprises a supporting rack, the mount, the rotor plate, the motor, the connecting plate, electronic hot frit, go up cup mechanism, hold-down mechanism and deburring mechanism, be connected with the mount on the support frame, the rotor plate is connected with on the support frame, support frame internal connection has the motor, the output shaft of motor passes through the shaft coupling and is connected with the rotor plate, circumference even interval connection has six at least connecting plates on the support frame, all install the electronic hot frit that is used for heating plastics cup rim of a cup, be equipped with on the mount, be equipped with the hold-down cup mechanism that is used for holding plastics cup on the connecting plate, be equipped with the hold-down cup mechanism that is used for compressing tightly plastics cup on the support frame, be used for carrying out the deburring to plastics cup rim of a cup mechanism including electric putter, lifter and hold-down cup holder, all be connected with electric putter on the connecting plate, all be connected with the lifter plate on the lifter plate, all be connected with reset spring between the lifter plate and the adjacent lifter plate, all sliding connection department that holds down rod and adjacent holder all installs the thermal frit, the material trimming device including lifter plate, the lifter plate and lifter plate have the equal torque force to rotate on the electric cup, all be connected with the equal rotation block between the adjacent lifter plate and the adjacent lifter plate, equal rotation block and the equal upper plate has the equal torque force of the electric cup.

More preferably, go up a cup mechanism including storing up a cup section of thick bamboo, the guide bar, the dwang, the semicircle board, all-gear, gear motor and ring gear, circumference even interval connection has six at least storing up a cup section of thick bamboo that are used for storing the plastics cup on the mount, store up a cup section of thick bamboo and electronic hot frit one-to-one, it all is connected with two at least guide bars to store up a cup section of thick bamboo and all to lie in corresponding electronic hot frit directly over, it is connected with two at least dwang all to store up on the cup section of thick bamboo to store up a cup section of thick bamboo, all be connected with two semicircle boards that are used for holding the plastics cup on the dwang, two adjacent semicircle boards are crisscross setting from top to bottom, all be connected with all-gear on the dwang, all-gear all meshes with the ring gear on the storing up a cup section of thick bamboo, all-gear motor's output shaft is passed through the gear train and is transmitted with the ring gear.

More preferably, hold-down mechanism is including stripper plate, the link, the carriage, first compression spring, the go-between, the slide bar, second compression spring and stripper plate, circumference even interval connection has at least three stripper plate on the rotor plate, stripper plate bottom all is equipped with L shape inclined plane, circumference even interval connection has the link that is equipped with the inclined plane on the support frame, the link all is located the top of adjacent connecting plate, all sliding connection has the carriage on the link, all be connected with a plurality of first compression spring between carriage and the adjacent link, all be connected with the go-between on the slide bar, all circumference interval sliding connection has a plurality of slide bar on the go-between, the slide bar all contacts with the inclined plane on the adjacent link, one side that the slide bar kept away from the adjacent carriage all is connected with the stripper plate that is used for compressing tightly the plastics cup, all be connected with the second compression spring between stripper plate and the adjacent link.

More preferably, the cup discharging mechanism comprises a fan, an air pump, connecting pipes, spray heads and a control assembly, at least six fans are circumferentially and uniformly arranged on the fixing frame at intervals, the fans and the electric hot frits are in one-to-one correspondence, the connecting plates are respectively connected with the air pumps for blowing out the plastic cups, the connecting plates are respectively connected with the connecting pipes, the air outlets of the air pumps are respectively communicated with the adjacent connecting pipes, the spray heads are respectively arranged on the connecting pipes, and the fixing frame is provided with the control assembly for controlling the fans and the air pumps to work.

More preferably, the control assembly comprises an extrusion rod, buttons and a controller, the extrusion rods are connected to the extrusion plate, three buttons are circumferentially arranged on the fixing frame at intervals, the extrusion rods rotate to be in contact with the adjacent buttons, the controller is arranged on the fixing frame, and the fan, the air pump and the buttons are electrically connected with the controller.

More preferably, the compacting plates are all arc-shaped.

Compared with the prior art, the invention has the following advantages: 1. the speed reducing motor can enable the positions of the semicircular plates on the upper side and the lower side to be exchanged, automatically enable the plastic cup to fall on the cup supporting frame in sequence, control the motor to drive the rotating plate and the extruding plate to rotate, enable the compressing plate to compress and push the plastic cup, enable the rim of the cup opening of the plastic cup to be folded upwards through the electric hot frit, then control the electric push rod to drive the lifting rod, the lifting plate and the plastic cup to move upwards, enable the trimming block to rotate towards one side close to the rim of the plastic cup, enable the rim of the plastic cup to be folded inwards and downwards, and automatically trim a plurality of rims of the plastic cup at the same time, so that the working efficiency is improved.

2. When the extrusion rod rotates, the extrusion rod can press the button, and the air pump is automatically controlled to blow out air under the cooperation of the button and the controller, so that the air is sprayed out from the spray head, the air flow can push the plastic cup to move upwards, and meanwhile, the fan can be automatically controlled to blow air under the cooperation of the button and the controller, so that the plastic cup can be blown out, and the plastic cup is discharged, so that the working efficiency is further improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic cross-sectional view of the support frame of the present invention.

Fig. 3 is a schematic perspective view of the cup feeding mechanism of the present invention.

Fig. 4 is a schematic view of a partial perspective structure of the cup feeding mechanism of the present invention.

Fig. 5 is a schematic perspective view of a rotating rod, a semicircular plate and an all-gear according to the present invention.

Fig. 6 is a schematic perspective view showing the structure of the pressing plate, the pressing rod and the button according to the present invention.

Fig. 7 is a schematic perspective view of a cup supporting mechanism according to the present invention.

Fig. 8 is a schematic structural view of the squeeze plate of the present invention.

Fig. 9 is a schematic structural view of the cup holding mechanism and the pressing mechanism of the present invention.

Fig. 10 is a schematic view of the structure of the connecting frame, the sliding frame and the first compression spring of the present invention.

Fig. 11 is a schematic structural view of the pressing mechanism of the present invention.

Fig. 12 is a schematic view of a part of the structure of the pressing mechanism of the present invention.

FIG. 13 is a schematic view of the trimming mechanism of the present invention.

Fig. 14 is a schematic view of the structure of the turning block, torsion spring and trimming block of the present invention.

Fig. 15 is a schematic view of a part of the cup discharging mechanism of the present invention.

The marks of the components in the drawings are as follows: 1. the device comprises a support frame, 2, a fixing frame, 4, a rotating plate, 5, a motor, 6, a connecting plate, 7, an electric hot frit, 8, a cup feeding mechanism, 80, a plastic cup, 81, a cup storage cylinder, 82, a guide rod, 83, a rotating rod, 84, a semicircular plate, 85, a full gear, 86, a speed reduction motor, 87, a toothed ring, 9, a cup supporting mechanism, 91, an electric push rod, 92, a lifting rod, 93, a cup supporting frame, 10, a compressing mechanism, 101, a compressing plate, 102, a connecting frame, 103, a sliding frame, 104, a first compression spring, 105, a connecting ring, 106, a sliding rod, 107, a second compression spring, 108, a compressing plate, 11, a trimming mechanism, 111, a lifting plate, 112, a rotating block, 113, a torsion spring, 114, a trimming block, 12, a cup discharging mechanism, 120, a fan, 121, an air pump, 122, a connecting pipe, 123, a spray head, 131, a compressing rod, 132, a button, 133 and a controller.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.

Example 1

1-14, including support frame 1, mount 2, rotating plate 4, motor 5, connecting plate 6, electronic hot frit 7, go up cup mechanism 8, hold in the palm cup mechanism 9, hold-down mechanism 10 and deburring mechanism 11, support frame 1 top welding has mount 2, the rotating plate 4 is connected with in the middle of the support frame 1 top, the bolting has motor 5 in the support frame 1, the output shaft of motor 5 passes through shaft coupling and rotating plate 4 rigid coupling, six connecting plates 6 are evenly spaced fixedly connected in support frame 1 top circumference, electric hot frit 7 is all installed at connecting plate 6 top, when plastics cup mouth and electric hot frit 7 contact, control electric hot frit 7 heats, plastics cup down motion can make the border upwards turn over to carry out preliminary deburring to plastics cup, be equipped with on the mount 2 and go up cup mechanism 8, be equipped with on the connecting plate 6 and be used for holding in the hold in the palm cup mechanism 9 of plastics cup 80, be equipped with on the support frame 1 and be used for compressing tightly the hold-down mechanism 10 of plastics cup 80, deburring mechanism 11 is used for carrying out the deburring to plastics cup 80 mouth.

As shown in fig. 2, 6 and 7, the cup supporting mechanism 9 comprises an electric push rod 91, a lifting rod 92 and a cup supporting frame 93, wherein the electric push rod 91 is fixedly connected to the top of the connecting plate 6, the lifting rod 92 is fixedly connected to the telescopic rod of the electric push rod 91, the cup supporting frame 93 is connected to the lifting rod 92 in a sliding manner, when the plastic cup is reversely buckled on the cup supporting frame 93, the electric push rod 91 is controlled to drive the lifting rod 92 and the cup supporting frame 93 to move up and down, the plastic cup can be driven to move up and down, a reset spring is connected between the cup supporting frame 93 and the adjacent lifting rod 92, and damping materials are arranged at the sliding connection part of the lifting rod 92 and the adjacent cup supporting frame 93.

As shown in fig. 2, 13 and 14, the trimming mechanism 11 comprises a lifting plate 111, a rotating block 112, a torsion spring 113 and a trimming block 114, wherein the lower part of the lifting rod 92 is fixedly connected with the lifting plate 111, the electric hot frit 7 is uniformly and rotatably connected with a plurality of rotating blocks 112 at intervals in the circumferential direction, the torsion spring 113 is connected between each rotating block 112 and the adjacent electric hot frit 7, the trimming block 114 is fixedly connected with each rotating block 112, the trimming block 114 is provided with a trimming groove conforming to the cup opening of the plastic cup 80, when the trimming block 114 rotates to one side close to the plastic cup, the plastic cup moves upwards to be contacted with the trimming block 114, the trimming block 114 can squeeze the edge of the cup opening of the plastic cup to enable the edge of the plastic cup to be folded downwards inwards, so that the plastic cup is trimmed, and the lifting plate 111 moves upwards to be contacted with the adjacent rotating block 112.

As shown in fig. 1-5, the cup feeding mechanism 8 comprises a cup storage cylinder 81, a guide rod 82, a rotating rod 83, semicircular plates 84, full gears 85, a reducing motor 86 and a toothed ring 87, six cup storage cylinders 81 are fixedly connected to the top of the fixing frame 2 at uniform intervals in the circumferential direction, the cup storage cylinders 81 and the electric hot frits 7 are in one-to-one correspondence, the cup storage cylinders 81 are all located right above the corresponding electric hot frits 7, two symmetrically arranged guide rods 82 are fixedly connected to the bottoms of the cup storage cylinders 81, two symmetrically arranged rotating rods 83 are connected to the lower portions of the cup storage cylinders 81 in a rotating mode, two semicircular plates 84 are fixedly connected to the lower portions of the rotating rods 83, the adjacent semicircular plates 84 are arranged in an up-down staggered mode, the semicircular plates 84 can support cup mouths of plastic cups, when the semicircular plates 84 intermittently rotate 180 degrees, the plastic cups drop down one by one in sequence, the tops of the semicircular plates 83 are fixedly connected with full gears 85, the lower portions of the cup storage cylinders 81 are all rotationally connected with the toothed ring 87, the full gears 85 are all meshed with the toothed ring 87, the lower portions of the cup storage cylinders 81 are all connected with the toothed ring 86 in a rotating mode, the lower portions of the semicircular plates are all fixedly connected to the motor 86, and the motor 86 is connected to the toothed ring 87 through the reducing motor 87.

As shown in fig. 1, fig. 2, fig. 6, fig. 8, fig. 9, fig. 10, fig. 11 and fig. 12, hold-down mechanism 10 is including stripper plate 101, link 102, carriage 103, first compression spring 104, go-between 105, slide bar 106, second compression spring 107 and hold-down plate 108, the equal circumference interval rigid coupling in rotor plate 4 top has three stripper plate 101, stripper plate 101 bottom all is equipped with L shape inclined plane, the even interval rigid coupling in support frame 1 top circumference has six link 102 that are equipped with the inclined plane, link 102 all is located the top of adjacent connecting plate 6, link 102 upper portion all slidingtype is connected with carriage 103, when stripper plate 101 clockwise rotation, all be connected with a plurality of first compression spring 104 between carriage 103 and the adjacent link 102, all be connected with go-between carriage 103 and the adjacent link 105, all be fixedly connected with go-between 105 on the link 105, all with the contact with the inclined plane on the adjacent link 102 in the equal circumference interval sliding connection 106, the side of slide bar 106 keeps away from the adjacent link 103 has the radial compression plate 108 to drive down the link 108, the equal compression plate 108, when the side of the adjacent link 103 is close to the two link 105, the equal radial compression plate 108 is connected with the compression plate 108, the equal compression plate 107 can be connected with the adjacent link 108, when the adjacent link 107 moves down, the equal radial compression plate is connected with the compression plate 108.

Initially, the second compression spring 107 is in a compressed state, when the rim of the plastic cup 80 needs to be trimmed, a plurality of stacked plastic cups 80 are placed in the cup storage cylinder 81, the two semicircular plates 84 at the upper side can support the plastic cups 80, the gear ring 87 can be driven to rotate by the gear set under the control of the speed reducing motor 86, the full gear 85 is driven to synchronously rotate 180 degrees, the rotating rod 83 and the semicircular plates 84 are driven to synchronously rotate 180 degrees, the positions of the semicircular plates 84 at the upper side and the lower side can be exchanged, the two semicircular plates 84 at the lower side are positioned under the plastic cups 80, the plastic cups 80 can drop down on the two semicircular plates 84 at the lower side under the action of gravity, the semicircular plates 84 can continuously synchronously rotate 180 degrees under the same condition, one plastic cup 80 at the lowest side can be separated from the semicircular plates 84 through the control of the speed reducing motor 86, the plastic cup 80 at the lowest side can drop down, the guiding rod 82 can guide the dropped plastic cups 80, the semicircular plate 84 can continuously support other plastic cups 80, the semicircular plate 84 is operated in a reciprocating manner, the plastic cups 80 can automatically drop one by one in sequence by intermittently rotating the semicircular plate 84 by 180 degrees, when the plastic cups 80 drop down onto the cup supporting frame 93, the plastic cups 80 can press the cup supporting frame 93 to move down under the action of gravity, the restoring spring is compressed, the plastic cups 80 can be buffered, so that the plastic cups 80 are reversely buckled on the cup supporting frame 93 and the lifting rod 92, then the motor 5 is controlled to drive the rotating plate 4 to rotate clockwise, the extruding plate 101 is driven to rotate clockwise, when the extruding plate 101 contacts with the sliding frame 103, the extruding plate 101 can extrude the sliding frame 103 to move down, the connecting ring 105, the sliding rod 106 and the compacting plate 108 are driven to move down, the first compressing spring 104 is compressed, the sliding rod 106 can move along the inclined plane on the connecting frame 102, so that the pressing plate 108 moves radially towards one side close to the plastic cup 80 under the action of the second compression spring 107, the sliding rod 106 is driven to move radially towards one side close to the plastic cup 80, when the pressing plate 108 contacts with the plastic cup 80, the pressing plate 108 can press the plastic cup 80, at this time, the pressing plate 101 continuously presses the sliding frame 103 to move downwards, the connecting ring 105, the sliding rod 106 and the pressing plate 108 continuously move downwards, the pressing plate 108 can push the plastic cup 80 to move downwards, the cup opening of the plastic cup 80 contacts with the inner wall of the electric hot frit 7, the electric hot frit 7 is controlled to heat the plastic cup 80, the cup opening of the plastic cup 80 is softened, the electric hot frit 7 can enable the edge of the cup opening of the plastic cup 80 to be folded upwards, when the rotating plate 4 and the pressing plate 101 continuously rotate clockwise, the pressing plate 101 is separated from the sliding frame 103, the first compression spring 104 is restored to the original state, the sliding frame 103, the connecting ring 105, the sliding rod 106 and the pressing plate 108 are driven to move upwards for resetting, the connecting frame 102 can extrude the sliding rod 106 to move radially to one side far away from the plastic cup 80, the pressing plate 108 is driven to move radially to one side far away from the plastic cup 80, the second compression spring 107 compresses, the pressing plate 108 is enabled to release the plastic cup 80, then the electric push rod 91 is controlled to drive the lifting rod 92 to move upwards, the cup holder 93, the lifting plate 111 and the plastic cup 80 are driven to move upwards, when the lifting plate 111 contacts with the rotating block 112, the lifting plate 111 can extrude the rotating block 112 to rotate upwards, the torsion spring 113 deforms to drive the trimming block 114 to rotate to one side close to the cup opening of the plastic cup 80, at the moment, the plastic cup 80 continues to move upwards, the cup opening of the plastic cup 80 can contact with the trimming block 114, and the cup opening edge of the plastic cup 80 is folded inwards and downwards under the action of the trimming groove, then control electric putter 91 drive lifter 92 down motion drives and holds in the palm glass stand 93, lifter plate 111 and plastics cup 80 down motion, and when lifter plate 111 and rotor block 112 separation, torsion spring 113 resumes the original form, drives rotor block 112 and deburring piece 114 reverse reset, so, can automatic deburring a plurality of plastics cup 80 rim of a cup simultaneously, and need not the manual work and carry out the material loading to plastics cup 80, improves work efficiency.

Example two

On the basis of embodiment 1, as shown in fig. 1, fig. 2, fig. 6 and fig. 15, the cup discharging mechanism 12 is further included, the cup discharging mechanism 12 includes a fan 120, an air pump 121, a connecting pipe 122, a spray head 123 and a control component, six fans 120 are circumferentially and evenly installed on the fixing frame 2 at intervals, the fans 120 are in one-to-one correspondence with electric hot frits 7, the top of the connecting plate 6 is connected with the air pump 121, the top of the connecting plate 6 is fixedly connected with the connecting pipe 122, the air outlet of the air pump 121 is communicated with the adjacent connecting pipe 122, the spray head 123 is installed at the top of the connecting pipe 122, air is blown out from the spray head 123 by controlling the air pump 121, the fan 120 is blown, the trimmed plastic cup can be blown out, a control component for controlling the operation of the fans 120 and the air pump 121 is arranged on the fixing frame 2, the control component includes a squeeze rod 131, a button 132 and a controller 133, the squeeze rod 131 is fixedly connected to the lower portion of the squeeze plate 101, three buttons 132 are circumferentially and alternately installed on the lower portion of the fixing frame 2, the squeeze rod 131 rotates and is contacted with the adjacent buttons 132, the controller 133 is installed at the top of the fixing frame 2, the fan 120, the air pump 132 and the button 132 are electrically connected with the controller 133.

When the rotating plate 4 rotates clockwise, the extruding rod 131 is driven to rotate clockwise, when the rotating block 112 and the trimming block 114 reversely reset, the extruding rod 131 is contacted with the button 132, so that the button 132 is pressed, the air pump 121 is automatically controlled to blow out air through the connecting pipe 122 under the cooperation of the button 132 and the controller 133, the air is sprayed out from the spray head 123, the air flow can push the plastic cup 80 to move upwards, meanwhile, the fan 120 is automatically controlled to blow air under the cooperation of the button 132 and the controller 133, the plastic cup 80 is blown out, and the plastic cup 80 is discharged, so that the working efficiency is further improved.

The foregoing disclosure of embodiments of the present invention has been fully described with reference to the accompanying drawings, in which it is to be understood that the embodiments described are merely some of the 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.

Claims

1. An automatic edge trimmer for the rim of a plastic cup is characterized in that: comprises a supporting frame (1), a fixing frame (2), a rotating plate (4), a motor (5), a connecting plate (6), electric hot frit (7), an upper cup mechanism (8), a cup supporting mechanism (9), a pressing mechanism (10) and a trimming mechanism (11), wherein the supporting frame (1) is connected with the fixing frame (2), the rotating plate (4) is connected to the supporting frame (1) in a rotating way, the motor (5) is internally connected with the motor (5), an output shaft of the motor (5) is connected with the rotating plate (4) through a coupling, at least six connecting plates (6) are connected to the supporting frame (1) at equal intervals in the circumferential direction, electric hot frit (7) for heating the cup opening of the plastic cup are all installed on the connecting plates (6), the cup supporting mechanism (8) are arranged on the fixing frame (2), the pressing mechanism (10) for supporting the plastic cup (80) are arranged on the connecting plates (6), the trimming mechanism (11) is used for trimming the cup opening of the plastic cup (80), the cup supporting mechanism (9) comprises an electric push rod (91), a lifting rod (92) and an electric push rod (93) are connected to the cup supporting frame (93), all be connected with lifter (92) on the telescopic link of electric putter (91), all be connected with on lifter (92) and be used for holding in the palm glass stand (93) of plastics cup (80), all be connected with reset spring between holding in the palm glass stand (93) and the adjacent lifter (92), sliding connection department of lifter (92) and adjacent holding in the palm glass stand (93) all is equipped with damping material, deburring mechanism (11) are including lifter plate (111), rotating block (112), torsion spring (113) and deburring piece (114), all be connected with lifter plate (111) on lifter (92), all circumference even interval rotation is connected with a plurality of rotating block (112) on electric hot frit (7), all be connected with torsion spring (113) between rotating block (112) and the adjacent electric hot frit (7), all be connected with on rotating block (112) and be used for carrying out the deburring piece (114) of deburring to plastics cup (80), all open on deburring piece (114) and the groove that coincides with plastics cup (80) rim of a cup, upward movement can all contact with adjacent rotating block (112) on lifter plate (111).

2. An automatic edge trimmer for the rim of a plastic cup according to claim 1 wherein: go up cup mechanism (8) including storing up a cup section of thick bamboo (81), guide bar (82), dwang (83), semicircle board (84), all-gear (85), gear motor (86) and ring gear (87), circumference even interval connection has six at least storing up a cup section of thick bamboo (81) that are used for storing plastics cup (80) on mount (2), it is one-to-one with electronic hot frit (7) to store up a cup section of thick bamboo (81), it all is located directly over corresponding electronic hot frit (7) to store up a cup section of thick bamboo (81), all be connected with two at least guide bars (82) on storing up a cup section of thick bamboo (81), all-rotation type is connected with two at least dwang (83) on storing up a cup section of thick bamboo (81), all be connected with two semicircle boards (84) that are used for holding plastics cup (80) on the dwang (83), adjacent two semicircle boards (84) are crisscross setting from top to bottom, all-rotation type is connected with ring gear (87) on storing up a cup section of thick bamboo (81), all-gear (85) all meshes with ring gear (87), all-rotation is connected with gear (87) with gear motor (86) on storing up a cup section of thick bamboo (86), all-gear motor (86) is connected with gear motor (87).

3. An automatic edge trimmer for the rim of a plastic cup according to claim 1 wherein: compressing mechanism (10) including stripper plate (101), link (102), carriage (103), first compression spring (104), go-between (105), slide bar (106), second compression spring (107) and clamp plate (108), circumference even interval connection has at least three stripper plate (101) on rotor plate (4), stripper plate (101) bottom all is equipped with L shape inclined plane, circumference even interval connection has at least six link (102) that are equipped with the inclined plane on support frame (1), link (102) all are located the top of adjacent connecting plate (6), all slide on link (102) are connected with carriage (103), all be connected with a plurality of first compression spring (104) between carriage (103) and the adjacent link (102), all be connected with go-between (105) on carriage (103), all circumference interval sliding connection has a plurality of slide bar (106) on go-between (105), slide bar (106) all contact with the inclined plane on the adjacent link (102), one side that slide bar (106) kept away from adjacent carriage (103) compresses tightly and is used for equally compressing between (107) link and second compression spring (108).

4. An automatic edge trimmer for the mouth of a plastic cup according to claim 3 wherein: still including going out cup mechanism (12), go out cup mechanism (12) including fan (120), air pump (121), connecting pipe (122), shower nozzle (123) and control assembly, circumference even interval installs six at least fans (120) on mount (2), fan (120) and electronic hot frit (7) one-to-one, all be connected with on connecting plate (6) and be used for air pump (121) that plastics cup (80) blown out, all be connected with connecting pipe (122) on connecting plate (6), the gas outlet of air pump (121) all communicates with adjacent connecting pipe (122), shower nozzle (123) are all installed on connecting pipe (122), be equipped with on mount (2) and be used for controlling fan (120) and air pump (121) work control assembly.

5. An automatic edge trimmer for the rim of a plastic cup according to claim 4 wherein: the control assembly comprises an extrusion rod (131), buttons (132) and a controller (133), wherein the extrusion rod (131) is connected to the extrusion plate (101), three buttons (132) are installed on the fixing frame (2) at intervals in the circumferential direction, the extrusion rod (131) rotates to be in contact with the adjacent buttons (132), the controller (133) is installed on the fixing frame (2), and the fan (120), the air pump (121) and the buttons (132) are all electrically connected with the controller (133).

6. An automatic edge trimmer for the mouth of a plastic cup according to claim 3 wherein: the compacting plates (108) are all arc-shaped.