CN107030776A - With the plastics cup punch press for removing punching burr - Google Patents

Abstract

The present invention relates to a kind of plastics cup punch press for having and removing punching burr, it includes the automatic charging unit of plastic cup, supply unit, punching unit, the automatic material receiving unit of plastic cup, wherein supply unit has multiple stations, and in rotating disc type by station around center of rotation progressively rotational displacement, the hot melt that perforating press is also included at the station between punching unit and automatic material receiving unit is permed, plastic cup bottom for driving hot melt to perm from correspondence station is stretched into plastic cup and automatically reset driver element, wherein hot melt, which is permed, to carry out chamfered by the hole inwall of punching unit institute punching.The present invention is on the premise of need not plastic cup be transported, permed by hot melt and hole wall is repaired, ensure the fastness that glass bottom is tightly connected with hole wall, simultaneously under conditions of not influenceing normal cup to collect, hot melt is permed and is arranged between punching station and rewinding station, compact in design, and it is easy to implement.

Description

With the plastics cup punch press for removing punching burr

Technical field

The invention belongs to punching apparatus field, and in particular to a kind of to have the plastics cup punch press for removing punching burr.

Background technology

At present, according to different customer demands, along with the diversity of cup bottom selection by cup bottom, it is necessary to be sealingly disposed in cup At the mounting hole of body bottom, and mounting hole is substantially punched out on the punching apparatus matched.

However, in the processing procedure of punching, there is burr or injustice in the periphery of hole wall, if not removing and repairing unavoidably It is whole, after directly cup bottom is installed, the problem of its sealing and fastness have very big, once pouring into liquid, cup bottom easily takes off Fall or leak.

The content of the invention

The technical problems to be solved by the invention are to overcome the deficiencies in the prior art improved with removal punching there is provided one kind The plastics cup punch press of hole bur, it is permed by hot melt and hole wall is repaiied on the premise of need not plastic cup be transported It is whole, it is ensured that the fastness that cup bottom is tightly connected with hole wall, while under conditions of not influenceing normal cup to collect, hot melt is permed It is arranged between punching station and rewinding station, compact in design, and it is easy to implement.

In order to solve the above technical problems, the present invention is adopted the following technical scheme that：

It is a kind of that there is the plastics cup punch press for removing punching burr, its automatic charging unit for including plastic cup, supply unit, punching The automatic material receiving unit of hole unit, plastic cup, wherein supply unit have multiple stations, and in rotating disc type by station around turning Dynamic center progressively rotational displacement, perforating press also includes the hot melt at the station that is located between punching unit and automatic material receiving unit Perm, for driving, the plastic cup bottom that hot melt is permed from correspondence station is stretched into plastic cup and automatically reset driving is single Member, wherein hot melt, which is permed, to carry out chamfered by the hole inwall of punching unit institute punching.

Preferably, supply unit includes being fixedly installed on punching processing equipment rack and horizontally disposed rotating disk, polylith The undertaking flitch that is circumferentially uniformly distributed and separately sets around rotating disk, for every piece of undertaking flitch to be positioned at into determining on rotating disk Hyte part, it is arranged on each piece and accepts and kept the elasticity of the corresponding undertaking upward jack-up trend of flitch between flitch and rotating disk Component and the drive mechanism progressively rotated for driving rotating disk positioned at the bottom of rotating disk, wherein accepting flitch and described turn The mounting hole being respectively equipped with disk on the multiple mounting holes for corresponding and setting, plastic cup self-supporting splicing plate falls into the installation of rotating disk In hole and rim of a cup and cup body be respectively erected in undertaking flitch and rotating disk on.

Specifically, the top surface that polylith accepts flitch flushes setting, and undertaking flitch be arranged in parallel with rotating disk.

According to one of present invention specific implementation and preferred aspect, automatic charging unit includes mounting seat, positioned at mounting seat Many rhizosphere bars that are interior and extending from top to bottom to the carriage direction of punching apparatus, being arranged on along horizontal direction back and forth movement Partition component in mounting seat and for the folded plastic cup set to be separated one by one and positioned at the lower section of partition component be used for will point The force feed component that plastic cup from after is pressed in carriage, wherein many rhizosphere bars form multiple for folding the plastic cup set placement Placement region, partition component can will be stacked the plastic cup that sets in each placement region and be separatedly installed simultaneously.

Preferably, partition component, which includes having, avoids the dividing plate of placement region shifting chute, for driving dividing plate horizontal reciprocating Breach is additionally provided with the first driving means of motion, its median septum, when breach and placement region dislocation, the folded plastic cup set is certainly Rim of a cup is erected on dividing plate；When breach is docked with placement region, the folded plastic cup set is separated with dividing plate, and free-falling, is lacked Mouth resets to be misplaced with placement region again, and the plastic cup below dividing plate is separated with the folded plastic cup set.

Further, breach is located at the both sides of shifting chute length direction, and breach has multigroup.

Further, force feed component can with the movement with dividing plate and horizontal movement, and including with it is right above and below dividing plate The pressing plate set together, the second drive device for driving pressing plate up and down motion, its center platen is provided with corresponding with dividing plate Shifting chute and breach.

Another specific implementation and preferred aspect according to the present invention, automatic material receiving unit are included positioned at the defeated of punching apparatus Send above frame and with collecting frame, along each described by the circumferential from the side by hole of hole by hole for plastic cup Many rhizosphere bars that wall is upwardly extended, it is arranged on and described collects elastic blade that multiple tops on frame flush, positioned at the conveying It is used to upwards eject the plastic cup in the carriage below frame and causes rim of a cup higher than the ejection at the top of the elastic blade Mechanism, plurality of described elastic blade respectively along each multigroup support unit of circumferentially distributed formation by hole, When the rim of a cup of plastic cup is ejected upwards, the elastic blade upper end for forming every group of support unit is flared out；When plastic cup After rim of a cup ejection, the upper end of every group of support unit can keep the trend inwardly tightened up to be supported on the rim of a cup bottom of plastic cup.

Preferably, described elastic blade includes collecting the first extension that frame upwardly extends, from described first from described Intilted second extension in top, the 3rd extension upwardly extended from the top of second extension of extension, The top of wherein described 3rd extension is contradicted in the inner side of rim of a cup bottom.

Preferably, the first extension and the 3rd extension be arranged in parallel, and the outer side edges of the plastic cup and the described 3rd The angle of extension is 1~15 °.

The present invention is permed by hot melt and hole wall is repaired, it is ensured that cup on the premise of need not plastic cup be transported The fastness that bottom is tightly connected with hole wall, while under conditions of not influenceing normal cup to collect, hot melt being permed and is arranged on punching Between hole station and rewinding station, compact in design, and it is easy to implement.

Brief description of the drawings

Fig. 1 is the schematic front view of the plastics cup punch press of the present invention；

Fig. 2 is the schematic front view of the automatic charging unit of the present invention；

Fig. 3 is Fig. 2 schematic top plan view；

Fig. 4 is the schematic front view of the rotating disc type supply unit of the present invention（Omit part）；

Fig. 5 is Fig. 4 schematic top plan view；

Fig. 6 is the schematic front view of the automatic material receiving unit of the present invention；

Fig. 7 is Fig. 1 schematic top plan view；

Wherein：A, automatic charging unit；1A, mounting seat；10A, bottom plate；11A, side plate；110th, chute；2A, railing；3A, separation Component；30A, dividing plate；30a, shifting chute；30b, breach；4A, force feed component；40A, pressing plate；41A, the second drive mechanism；410、 Expansion link；B1, the folded plastic cup set；B2, the plastic cup of separation;

B, supply unit；1B, rotating disk；10B, interface；2B, undertaking flitch；3B, positioning component；30B, bolt；31B, tune Save nut；4B, elastic parts；40B, spring；5B, drive mechanism；50B, stepper motor；51B, driving wheel disc；52B, transmission belt； A, mounting hole；B, plastic cup；B3, rim of a cup；B4, cup body；C, neck；6B, rotating shaft；

C, punching unit；1C, drift；

D, automatic material receiving unit；1D, collect frame；11D, the first laminate；12D, the second laminate；13D, regulating bolt；2D, railing； 3D, elastic blade；31D, the first extension；32D, the second extension；33D, the 3rd extension；4D, ejecting mechanism；40D, bottom Seat；41D, push rod；42D, chock plug；43D, expansion link（Cylinder）；5D, guide rod；6D, spacing contactor；7D, contact；X, support Unit；

E, hot melt are permed；

F, driver element.

Embodiment

As shown in Figures 1 to 7, what the present embodiment was related to has the plastics cup punch press for removing punching burr, and it includes modeling The automatic charging unit A of material cup, supply unit B, punching unit C, the automatic material receiving cells D of plastic cup, wherein supply unit A tools Have multiple stations, and in rotating disc type by station around center of rotation progressively rotational displacement, perforating press also includes being located at punching list Hot melt at a station between first C and automatic material receiving cells D perm E, for driving hot melt to perm modelings of the E at the corresponding station Material cup bottom is stretched into plastic cup and automatically reset driver element F, wherein hot melt perm E can be by the punching of punching unit C institutes Hole inwall carry out chamfered so that deburring and deburring processing.

Specifically, automatic charging unit A includes mounting seat 1A, in mounting seat 1A and from top to bottom to punching apparatus Many rhizosphere bar 2DA of carriage direction extension, being arranged on mounting seat 1A and for that will fold along horizontal direction back and forth movement If the partition component 3A that separate one by one of plastic cup b1 and be used for positioned at partition component 3A lower section by the plastic cup after separation The force feed component 4A that b2 is pressed in carriage.

In this example, placement region has four, and rectangular array is distributed, and each of which placement region has four rhizosphere bars 2DA, which encloses to set, to be formed, and the folded plastic cup b1 set is moved down step by step from rim of a cup along railing 2DA length direction.

Partition component 3A can will be stacked the plastic cup b1 that sets in each placement region and be separatedly installed simultaneously.

Specifically, partition component 3A, which includes having, avoids placement region shifting chute 30a dividing plate 30A, for driving dividing plate Breach 30b is additionally provided with the first driving means of 30A horizontal reciprocating movements, its median septum 30A, when breach 30b and placement region During dislocation, the folded plastic cup b1 set is erected on dividing plate 30A from rim of a cup；When breach is docked with placement region, the folded plastics set Cup b1 is separated with dividing plate 30A, and free-falling, and breach 30b resets to misplace with placement region again, and will be located under dividing plate 30A The plastic cup b2 of side is separated with the folded plastic cup b1 set.

With reference to accompanying drawing 2, dividing plate 30A is in " saying " font, and two square shapes are into shifting chute 30a up and down for it, and placement region can It is movably arranged in shifting chute 30a, meanwhile, breach 30b is located at the both sides of shifting chute 30a length directions, and breach 30b has 3 Group.So no matter dividing plate 30A still can realize to the right docking or dislocation for breach 30b and placement region to the left, wherein wrong During position, dividing plate 30A holds the folded plastic cup b1 set；During docking, the folded plastic cup b1 set can be from the shifting chute 30a of dividing plate certainly By falling, it is easy to dividing plate 30A reset to separate plastic cup.

Meanwhile, for the ease of actual operation, force feed component 4A can with the movement with dividing plate 30A and horizontal movement, And including set with dividing plate 30A consistencies from top to bottom pressing plate 40A, for drive pressing plate 40A move up and down the second drive device 41A, its center platen 40A are provided with the shifting chute corresponding with dividing plate 30A（Do not shown in figure, but it is contemplated that）And breach（Figure In do not show, but it is contemplated that）.

Spacing when being more than or equal to the non-pressed status of pressing plate 40A per the two neighboring folded rim of a cup spacing set with dividing plate 30A, To cause during feeding, the plastic cup after separation can be located to pressing plate 40A lower section, be easy to pushing for pressing plate 40A so that plastics Cup can be completely separated.

Second drive device 41A includes being arranged on dividing plate 30A on and retractable ends are through dividing plate 30A and pressing plate mutually fixation company The expansion link 410 connect.The expansion link 410 has multiple, and positioned at dividing plate 30A corner, and expansion link type of drive have it is electronic, Pneumatically or hydraulically.

In this example, mounting seat 1A includes having for dropping down onto the bottom plate 10A of carriage access opening under plastic cup, positioned at bottom plate The side plate 11A that 10A both sides and the direction setting moved along dividing plate 30A are set, wherein chute 110 is offered on side plate 11A, Dividing plate 30A two Slideslips are arranged in chute 110.

Pressing plate 40A both sides are contradicted on biside plate 11A medial surface, and can be along above and below side plate 11A short transverse It is mobile.

In this example, what side plate 11A can be adjusted up and down is arranged on bottom plate 10A, to meet different interval height plastic cup Use, it is ensured that fallen in the space that the folded plastic cup set can be docked from breach 30a with placement region, then by dividing plate 30A With pressing plate 40A reset so that plastic cup b2s of the dividing plate 30A and pressing plate 40A by the folded plastic cup b1 set with separating is separated, simultaneously Pressing plate 40A is in the plastic cup b2 of separation top, consequently facilitating the folded plastic cup b1 set and the plastic cup b2's that separates is thorough Separation.

Supply unit B include be fixedly installed on punching processing equipment rack and horizontally disposed rotating disk 1B, polylith around Undertaking flitch 2B that rotating disk 1B is circumferentially uniformly distributed and separately set, for every piece of undertaking flitch 2B to be positioned at into rotating disk 1B Positioning component 3B, be arranged on each piece accept flitch 2B and rotating disk 1B between keep the undertaking flitch 2B that will be tackled to push up upwards The elastic parts 4B for the trend of the rising and drive mechanism 5B progressively rotated for driving rotating disk 1B positioned at lower rotary table 1B bottom, Wherein accept the multiple mounting hole a, plastic cup b self-supporting splicing plates 2B for being respectively equipped with flitch 2B and rotating disk 1B and corresponding and setting On mounting hole a fall into rotating disk 1B mounting hole a and rim of a cup b3 and cup body b4 be respectively erected in undertaking flitch 2B and rotating disk 1B On.

The top surface that polylith accepts flitch 2B flushes setting.Because conveying device is located at below workbench, if there is layer Secondary uneven, it is impossible to determine the displacement of drift, when impact distance is not enough, drift will be unable to the bottom punching of plastic cup Go out, not only influence the punching processing of plastic cup, but also the progress of the automatic processing program of some follow-up row can be influenceed.

Flitch 2B and rotating disk 1B is accepted to be arranged in parallel.Ensure that plastic cup b is smoothly positioned at undertaking flitch 2B and rotating disk 1B On.

Specifically, undertaking flitch 2B is rectangular, and installed provided with four mounting hole a, rotating disk 1B provided with corresponding Hole a.So the drift of perforating press also has four, while there is provided operating efficiency for four plastic cup b of completion bottom punching processing.

External diameter tapers into setting to plastic cup b from top to bottom, is more than position positioned at the aperture for accepting the mounting hole a on flitch 2B In the aperture of the mounting hole a on rotating disk 1B.So cup is easier stable position, prevents the displacement of plastic cup during transferring.

Positioning component 3B include around accept flitch 2B circumferentially distributed multiple bolt 30B and with it is each fixed Position bolt 30B can be adjusted with merging accepts flitch 2B and the adjusting nut 31B of rotating disk 1B spacing.Adjusted by adjusting nut 31B The whole rotating disk 1B for accepting flitch 2B spacing, to meet different height plastic cup b conveying.

Elastic parts 4B includes the bullet for being respectively sleeved at the bolt 30B peripheries between undertaking flitch 2B and rotating disk 1B Spring 40B, wherein spring 40B both ends are fixedly connected on undertaking flitch 2B and rotating disk 1B respectively.

Interface 10B is provided with rotating disk 1B, conveying device also includes that rotating disk 1B bottoms and straight down can be plugged on The rotating shaft 6B of extension, drive mechanism 5B are used for drive shaft 6B rotation.

Drive mechanism 5B includes stepper motor 50B, is arranged on horizontally disposed driving wheel disc 51B on rotating shaft 6B, for inciting somebody to action The transmission belt 52B that stepper motor 50B is connected with driving wheel disc 51B phases.

It is respectively equipped with along transmission belt 52B widths and extends on driving wheel disc 51B and stepper motor 50B output end Neck c, transmission belt 52B is provided with the projection that can match with neck c（Do not shown in figure）.Set by neck c with raised Put so that the angle that rotating disk 1B is rotated every time is more accurate, consequently facilitating the progress and follow-up rewinding of punching.

Punching unit C, the conventional arrangement of use, but in this application, the drift 1C of perforating press also has four, and flushes Rectangular distribution.Then it is conventional meanses as to how being punched out, does not do state in detail herein.

Automatic material receiving cells D includes above the carriage of punching apparatus and had to collect frame by hole for plastic cup 1D, many rhizosphere bar 2D upwardly extended along each circumference by hole from the side wall by hole, it is arranged on and collects on frame 1D Elastic blade 3D that multiple tops are flushed, it is used to upwards eject the plastic cup in carriage below carriage and causes cup Mouth passes through the circumferentially distributed of hole higher than the ejecting mechanism 4D, plurality of elastic blade 3D at the top of elastic blade respectively along each Multigroup support unit X is formed, when the rim of a cup of plastic cup is ejected upwards, every group of support unit X elastic blade 3D upper ends are formed Portion is flared out；After the rim of a cup ejection of plastic cup, every group of support unit X upper end can keep the trend branch inwardly tightened up Support is in the rim of a cup bottom of plastic cup.

Specifically, each having four rhizosphere bar 2D by the circumference in hole；It is each circumferentially to also have four elastic blade 3D by hole, Wherein elasticity blade 3D and railing 2D is staggered and uniform intervals are set.More stable supporting plastic cup.

In this example, elastic blade 3D is included from collecting the first extension 31D that frame 1D upwardly extends, from the first extension The 31D intilted second extension 32D in top, the 3rd extension upwardly extended from the top of the second extension 32D 33D, wherein the 3rd extension 33D top is contradicted in the inner side of rim of a cup bottom.

First extension 31D and the 3rd extension 33D be arranged in parallel, and the outer side edges of plastic cup and the 3rd extension 33D Angle be 1~15 °.It is 3 ° in this example, now containing certain chucking power and support force, had not both resulted in plastic cup up Obstruction, the stacking of plastic cup can be stably realized again so that the spacing after stacking can be relatively uniform.

Ejecting mechanism 4D includes base 40D, corresponds the push rod 41D set on base 40D and by hole, sets The expansion link 43D that the chock plug 42D and driving base 40D that can be filled at the top of push rod 41D from plastic cup bottom move up and down, Wherein push rod 42D is vertically arranged, expansion link 43D type of drive have it is electronic, be pneumatically or hydraulically, in the application cylinder.

Chock plug 42D upper end is more than modeling in the taper type that external diameter becomes larger from top to bottom, the base diameter of its frustum The internal diameter at material cup cup bottom；The height of frustum is the 1/10~1/2 of plastic cup height, in this example, and the height of frustum is high for plastic cup The 1/5 of degree.Less, the stability of too short movement is poor for too high use.

Meanwhile, the guide rod 5D of vertical direction extension is additionally provided with punching apparatus, is connect on guide rod 5D provided with spacing Tentaculum 6D, on base 40D be provided with contact 7D, what base 40D can be moved is arranged on guide rod 5D, when contact 7D with it is spacing When contactor 6D is contacted, the rim of a cup of the plastic cup ejected from carriage is located at the top at the top of elastic blade 3D.

In addition, collecting frame 1D includes horizontally disposed and passes through the first laminate 11D in hole and the second laminate with consistency from top to bottom 12D is located at regulating bolt 13D between the first laminate 11D and the second laminate 12D, and wherein regulating bolt 13D can adjust first layer Spacing between plate 11D and the second laminate 12D, so as to meet the collection of different height plastic cup.

Regulating bolt 13D has multiple, and along the circumferentially distributed of the first laminate 11D and the second laminate 12D.

Hot melt perms E including corresponding four positioning pillars set, positioned at every positioning pillars with four mounting holes The electric-heating assembly for heating that the top chamfering that external diameter becomes larger from top to bottom is permed and confession chamfering is permed, the angle of its chamfering Selected according to the demand that cup bottom is installed, be 45 ° in this example.

Driver element F is exactly simple cylinder or hydraulic cylinder in application.

The present invention is described in detail above, its object is to allow the personage for being familiar with this art to understand this The content of invention is simultaneously carried out, and it is not intended to limit the scope of the present invention, all Spirit Essence institutes according to the present invention The equivalent change or modification of work, should all cover within the scope of the present invention.

Claims (10)

1. it is a kind of have remove punching burr plastics cup punch press, its automatic charging unit for including plastic cup, supply unit, The automatic material receiving unit of punching unit, plastic cup, it is characterised in that：Described supply unit has multiple stations, and in rotating disk Formula by station around center of rotation progressively rotational displacement, described perforating press also include being located at the punching unit with it is described from The hot melt at a station between dynamic receiving unit is permed, for driving the plastic cup bottom heated at correspondence station certainly of perming Portion is stretched into the plastic cup and automatically reset driver element, wherein perm can be by the punching unit institute for described hot melt The hole inwall of punching carries out chamfered.

2. according to claim 1 have the plastics cup punch press for removing punching burr, it is characterised in that：Described conveying Unit includes being fixedly installed on punching processing equipment rack and horizontally disposed rotating disk, polylith are circumferentially uniform around the rotating disk Distribution and separately set undertaking flitch, for the undertaking flitch described in every piece is positioned on rotating disk positioning component, set Put and kept the elasticity of the corresponding undertaking upward jack-up trend of flitch in each piece of described accept between flitch and the rotating disk Component and positioned at the bottom of the rotating disk be used for drive the drive mechanism that the rotating disk is progressively rotated, wherein described undertaking Be respectively equipped with flitch and described rotating disk correspond set multiple mounting holes, plastic cup from it is described undertaking flitch on peace Dress hole is fallen into the mounting hole of the rotating disk and rim of a cup and cup body are respectively erected on the undertaking flitch and the rotating disk.

3. according to claim 2 have the plastics cup punch press for removing punching burr, it is characterised in that：Held described in polylith The top surface of splicing plate flushes setting, and described undertaking flitch be arranged in parallel with the rotating disk.

4. according to claim 1 have the plastics cup punch press for removing punching burr, it is characterised in that：Described is automatic Feeding unit material includes mounting seat, extended in described mounting seat and from top to bottom to the carriage direction of the punching apparatus Many rhizosphere bars, being arranged in the mounting seat and divide one by one for the plastic cup that folded will be set along horizontal direction back and forth movement From partition component and positioned at the lower section of the partition component be used for the plastic cup after separation is pressed in the carriage Force feed component, wherein many rhizosphere bars form multiple placement regions placed for the folded plastic cup set, described partition component energy Enough plastic cups for setting of being stacked simultaneously in each placement region are separatedly installed.

5. according to claim 4 have the plastics cup punch press for removing punching burr, it is characterised in that：Described separation Component, which includes having, avoids the dividing plate of the placement region shifting chute, for driving the first of the dividing plate horizontal reciprocating movement to drive Dynamic device, wherein breach is additionally provided with described dividing plate, when described breach and placement region dislocation, the folded plastics set Cup is erected on the dividing plate from rim of a cup；When described breach is docked with the placement region, the folded plastic cup set with it is described Dividing plate is separated, and free-falling, and the breach resets to misplace with the placement region again, and by the plastics below dividing plate Cup is separated with the folded plastic cup set.

6. according to claim 5 have the plastics cup punch press for removing punching burr, it is characterised in that：Described breach Positioned at the both sides of the shifting chute length direction, and described breach has multigroup.

7. according to claim 6 have the plastics cup punch press for removing punching burr, it is characterised in that：Described force feed Component can with the movement with the dividing plate and horizontal movement, and including the pressing plate with described dividing plate consistency from top to bottom setting, The second drive device that described pressing plate moves up and down for driving, wherein described pressing plate is provided with corresponding with the dividing plate The shifting chute and the breach.

8. according to claim 1 have the plastics cup punch press for removing punching burr, it is characterised in that：Automatic material receiving list Member is included above the carriage of punching apparatus and with collecting frame, along each described by hole by hole for plastic cup The circumferential many rhizosphere bars upwardly extended from the side wall by hole, be arranged on described in multiple tops for collecting on frame flush Elastic blade, it is used to upwards eject the plastic cup in the carriage below the carriage and causes rim of a cup to be higher than institute The ejecting mechanism at the top of elastic blade is stated, plurality of described elastic blade is respectively along each circumference by hole point Cloth forms multigroup support unit, when the rim of a cup of plastic cup is ejected upwards, forms the elastic blade upper end of every group of support unit It is flared out；After the rim of a cup ejection of plastic cup, the upper end of every group of support unit can keep the trend inwardly tightened up to support In the rim of a cup bottom of plastic cup.

9. according to claim 8 have the plastics cup punch press for removing punching burr, it is characterised in that：Described elasticity Blade includes collecting the first extension, the top intilted second from first extension that frame is upwardly extended from described Extension, the 3rd extension upwardly extended from the top of second extension, wherein the top of the 3rd extension is supported Touch the inner side in rim of a cup bottom.

10. according to claim 9 have the plastics cup punch press for removing punching burr, it is characterised in that：Described One extension and the 3rd extension be arranged in parallel, and the angle of the outer side edges of the plastic cup and the 3rd extension be 1~ 15°。