CN105171834B

CN105171834B - It is useful in the puncher on cloth, skin material and leather

Info

Publication number: CN105171834B
Application number: CN201510732029.3A
Authority: CN
Inventors: 兰如林
Original assignee: 兰如林
Current assignee: Guangzhou best jewelry Co., Ltd.
Priority date: 2013-03-25
Filing date: 2013-03-25
Publication date: 2016-11-30
Anticipated expiration: 2033-03-25
Also published as: CN105150275B; CN105171834A; CN103144139A; CN105171833A; CN105171833B; CN105216051B; CN105216052B; CN105216051A; CN105150275A; CN105216052A; CN103144139B

Abstract

The present invention provides impact uniformly, drilling precision and the puncher being useful on cloth, skin material and leather of punching excellent, especially can improve the drilling precision for multiple eyelets and punching effect.What the present invention provided is useful in cloth, puncher on skin material and leather, including frame, frame is provided with stamping knife, punching and drive mechanism, punching can be arranged in frame up and downly and impact and act on stamping knife, drive mechanism drives punching up and down, the end end of stamping knife is in the plane with the punching area equation of preprocessing, punching has the surface in plane, punching surface is parallel to stamping knife end end plane, the area of plane that punching surface area is formed more than stamping knife end end, frame has the elastomeric element acting on stamping knife, static station that stamping knife only has under elastomeric element effect and there is the microstroke up and down under punching and elastomeric element act on jointly.

Description

It is useful in the puncher on cloth, skin material and leather

The application is to Chinese invention number of patent application: 201310096721.2, the applying date: in March, 2013 25 days, title: the divisional application of the puncher being useful on cloth, skin material and leather.

Technical field

The present invention relates to puncher, be especially useful in the semi-automatic of eyelet work on cloth, skin material and leather Puncher.

Background technology

Existing punching part, has holed the most by hand.Not only inefficiency, and drilling precision is low, Thus have influence on final finished quality, prior art discloses a kind of cloth, skin material and leather of being applicable to The puncher patent No. 201220135277.1, notification number CN202540382U, it includes frame, sets in frame Having stamping knife, punching and drive mechanism, punching can be arranged in frame up and downly and impact and act on punching Cutter, drive mechanism drives punching up and down, and the end end of stamping knife is in a plane, and punching has the table in plane Face, punching surface is parallel to stamping knife end end plane, the plane that punching surface area is formed more than stamping knife end end Area, the defect that the puncher of this structure exists is that drilling precision is the most not enough, owing to punching belongs to stamping knife Interaction between hard thing, unavoidably there is flatness error in end end plane and the punching surface of stamping knife, The most between the two may be uneven because of impulsive force, and the material on eyelet occurs not by the situation of success stamping-out, Then improving one of feasible way of punching precision is the smooth of the end end plane improving stamping knife and punching surface Degree, but difficulty of processing is high, cannot stop the uneven situation of punching on the premise of controlling certain cost, Especially need multiple stamping knife so as to punch multiple eyelet time aforementioned drawback will be apparent from.

Summary of the invention

In order to overcome drawbacks described above, the present invention provides impact uniformly, and drilling precision is suitable with punching excellent It is used in the puncher on cloth, skin material and leather, especially can improve the drilling precision for multiple eyelets With punching effect.

The puncher being useful on cloth, skin material and leather that the present invention provides, including frame, in frame Being provided with stamping knife, punching and drive mechanism, punching can be arranged in frame up and downly and impact and act on Stamping knife, drive mechanism drive punching up and down, stamping knife end end in the punching area equation of preprocessing Plane, punching has the surface in plane, and punching surface is parallel to stamping knife end end plane, punching surface area The area of plane formed more than stamping knife end end, frame has the elastomeric element acting on stamping knife, and stamping knife has Only the static station under elastomeric element effect and have under punching and elastomeric element act on jointly upper and lower Microstroke.

The puncher of the present invention realizes semi-automation operation, and the position of punching part preparation punching is directed at stamping knife, Then with hand steered live punching part marginal position, prepare punch position be against on stamping knife, then punching to Stamping knife movable until abutting punching part, punching continues towards stamping knife extruding punching part, in punching and elastic The lower a little distance of stamping knife fine motion of common effect of part, the buffering that elastomeric element brings is except having protection stamping knife Function, what is more important can make up end end plane and the flatness error of punching surface existence of stamping knife, By impacting in uneven unfavorable factor and eliminating, stamping knife is made ideally to coordinate with punching, micro-at stamping knife In dynamic stroke, the edge of stamping knife can completely attach to punching part being cut by punching part and portals, it is to avoid sanction Cut thorough, drilling precision and punching effect be greatly improved, more can be at multiple stamping knives and deposit the multiple eyelet of punching Time, the adverse effect to punching effect of the height error between making up because of different stamping knives, make each stamping knife all energy suitable Profit completes punching.

Preferably technical scheme is that stamping knife comprises blade, cutter head, compacting part and link rod, and blade can be horizontal Adjustably being fixedly mounted in frame, cutter head end end is in a plane, and blade is provided with link rod hole, and link rod can be upper and lower Being movably mounted among link rod hole, link rod and cutter head are fixing to be connected, and link rod is provided with preventing of coordinating with link rod hole Release mechanism, has the secure fit of scalable upper-lower position, described elastomeric element between compacting part and blade Two ends are connected to compacting part and cutter head respectively.This structure specifically discloses the structure of stamping knife, and this stamping knife The precompression putting on elastomeric element can be adjusted easily, and then when adjusting punching, punching and elastomeric element apply Common active force in punching part.

Further preferred technical scheme is that compacting part comprises pressing plate, screw and the screw being positioned on blade, Pressing plate is socketed on link rod, and screw is connected on pressing plate with blade screw secure fit and its end end, described Elastomeric element two ends are connected to pressing plate and cutter head respectively, and pressing plate is quiet under the common effect of elastomeric element and screw Terminating in link rod, set screw can regulate static relative to link rod of pressing plate with the secure fit position of blade screw Position.This structure the most specifically discloses the structure of compacting part, can fast adjust and put on elastomeric element Precompression, and the feature of compact conformation.

The technical scheme that the present invention further provides is that drive mechanism comprises power set and arrangement of clutch, Power set are by its operating of on-off control and stop, and power set drive punching by arrangement of clutch, and power fills When putting operating, single operation arrangement of clutch makes punching complete the up and down stroke of single.So can make punching Becoming to control, single operation is only capable of making punching complete one-stop operation, can improve the fitness with workman, and Reduce potential safety hazard.

With embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings.

Accompanying drawing explanation

Fig. 1 is the overall knot of the puncher embodiment one being useful on cloth, skin material and leather of the present invention One of composition.

Fig. 2 is the overall knot of the puncher embodiment one being useful on cloth, skin material and leather of the present invention The two of composition.

Fig. 3 is the overall knot of the puncher embodiment one being useful on cloth, skin material and leather of the present invention The three of composition.

Fig. 4 is the stamping knife structure chart of embodiment one.

Fig. 5 is the blade structure chart of Fig. 4 stamping knife.

Fig. 6 be embodiment one drive mechanism in one of the structure chart of arrangement of clutch.

Fig. 7 be embodiment one drive mechanism in arrangement of clutch structure chart two.

Fig. 8 be embodiment one drive mechanism in arrangement of clutch structure chart three.

Fig. 9 is drive mechanism middle belt pulley and the structure chart of collar of embodiment one.

Figure 10 is the structure chart of the roll-setting gear of embodiment one.

Detailed description of the invention

The puncher being useful on cloth, skin material and leather of the present invention is real as shown in Figure 1, Figure 2, Figure 3 shows Executing example, including frame 4, be provided with stamping knife 1, punching 2 and drive mechanism 3 in frame, punching 2 can be upper and lower Being movably mounted in frame 4 and impact act on stamping knife 1, drive mechanism 3 drives punching 2 up and down, The end end of stamping knife 1 is in the plane with the punching area equation of preprocessing, and punching 2 has the surface 21 in plane, Punching surface 21 is parallel to stamping knife 1 end end plane, and punching surface 21 area is formed more than stamping knife 1 end end The area of plane, frame 4 has the elastomeric element 5 acting on stamping knife 1, and stamping knife 1 has only at elastomeric element 5 effect under static station and there is the fine motion row up and down under punching 2 and elastomeric element 5 act on jointly Journey.Stamping knife 1 in the present embodiment is above, and punching 2 can be arranged on below stamping knife up and downly.

As shown in Figure 4, Figure 5, stamping knife 1 comprises blade 11, cutter head 12, compacting part 13 and link rod 14, blade 11 can be fixedly mounted on to lateral adjustments in frame 4, and the frame 4 of the present embodiment is provided with puts down up and down Two track a of row, blade 11 is just fixed by socket on track a, and can unclamp and the consolidating of track a Retightening at track a again after determining to connect and slide laterally on track a, cutter head 12 end is last in a plane, Blade 11 is provided with link rod hole 111, and link rod 14 can be arranged among link rod hole 111 up and downly, link rod 14 fixing with cutter head 12 are connected, and link rod 14 is provided with the escapement 141 coordinated with link rod hole 111, compression There are between parts 13 and blade 11 secure fit of scalable upper-lower position, described elastomeric element 5 two ends It is connected to compacting part 13 and cutter head 12 respectively, i other words elastomeric element 5 can be pressed on by compacting part 13 On cutter head 12, and by after the good compacting part 13 of up-down adjustment, it can be fixed with blade 11, so can be square Just adjust compacting part 13 and put on the precompression of elastomeric element 5, and then punching 2 and bullet when adjusting punching Property parts 5 put on punching part common active force.

As shown in Figure 4, Figure 5, escapement 141 is used for preventing link rod 14 and cutter head 12 from deviating from blade 11, Escapement 141 in the present embodiment is an anti-drop block, this anti-drop block more than link rod hole 111 thus be connected to On link rod hole 111, but escapement 141 can be other structures to be realized, such as can be by blade 11 On link rod hole 111 be set to up big and down small bellmouth and can block link rod 14, or can be by link rod 14 are set to up big and down small tapered rod can also be stuck on link rod hole 111.

As shown in Figure 4, Figure 5, compacting part 13 comprises pressing plate 131, screw 132 and is positioned on blade Screw 133, pressing plate 131 is socketed on link rod 14, screw 132 and blade screw 133 secure fit and Its end end is connected on pressing plate 131, and described elastomeric element 5 two ends are connected to pressing plate 131 and cutter head 12 respectively, Pressing plate 131 is still in link rod 14, set screw 132 under the common effect of elastomeric element 5 and screw 132 With the resting position that the secure fit position of blade screw 133 can regulate the relative link rod of pressing plate 131 14.

As shown in Figure 4, the elastomeric element 5 in the present embodiment is it is seen that spring, and it is socketed in link rod 14 On, two ends are connected to pressing plate 131 and cutter head 12 respectively, and for the stability of reinforced assembly, the present embodiment sets Having put two link rods 14 in left and right, pressing plate 131 is socketed on left and right link rod 14 simultaneously, and each link rod 14 overlaps Connect elastomeric element 5 i.e. spring.

With reference to shown in Fig. 4, Fig. 5, compacting part 13 and elastomeric element 5 can be multiple flexible structures, example As one of them be only installation a piece link rod 14, use an arch shrapnel as elastomeric element 5, by this arch Shell fragment is socketed on link rod 14, and arch shrapnel two ends are connected to compacting part 13 and cutter head 12 respectively, and press Tight parts 13 can use vertical pivot to replace, and is connected on arch shrapnel by vertical pivot, this vertical pivot axle body has many The transverse groove of individual differing heights, and set up transverse holes at blade 11 and the horizontal stroke of transverse holes can be horizontally through Axle, during assembling, transverse axis through blade 11 transverse holes and is positioned in transverse groove, and blade 11 just can be come by transverse axis Location vertical pivot, moreover it is possible to realized the height adjusting vertical pivot relative to arch shrapnel by the transverse groove of differing heights, Thus regulate vertical pivot and put on the precompression of arch shrapnel, in like manner arch shrapnel can also replace with reed, only Elastomeric element 5 to be resolved is the most permissible with the installation relation of link rod 14.

Aforesaid drive mechanism 3 comprises power set and arrangement of clutch, and power set are by its fortune of on-off control Turning and stop, power set drive punching 2 by arrangement of clutch, single operation clutch dress during power set operating Put so that punching 2 completes the up and down stroke of single.

As shown in Fig. 6, Fig. 7, Fig. 8, Fig. 9, power set comprise motor 3a and link with motor 3a Belt pulley 3b, motor 3a carry motor switch, arrangement of clutch comprise pressing plate 3c, the first bearing pin 3d, Second bearing pin 3e, the first back-moving spring 3f, the second back-moving spring 3g, cross bar 3h, montant 3i, brace 3j, Collar 3k, foreign steamer 3l, foreign steamer spring 3m, interior take turns 3n, rotating shaft 3o, eccentric block 3p, conversion block 3q, press Pressing plate 3c is rotatably fixed installation and has resetting means, and single depression pressing plate 3c can make punching 2 Completing the up and down stroke of single, pressing plate 3c of the present embodiment is set to a reducible pedal, it is simple to Artificial operated by foot, the first bearing pin 3d is fixedly installed, and cross bar 3h can be rotatably mounted at around the first bearing pin 3d On first bearing pin 3d, the cross bar 3h of first bearing pin 3d one end is fixing with pressing plate 3c to be connected, it can be seen that Being connected by a steel wire between cross bar 3h and pressing plate 3c in the present embodiment, this steel wire is configured similarly to certainly Driving brake cable, makes to link between cross bar 3h and pressing plate 3c, and the first back-moving spring 3f acts on the first pin The cross bar 3h of the axle 3d other end, montant 3i can be rotatably mounted on the first bearing pin 3d around the first bearing pin 3d, Second bearing pin 3e is fixedly installed on the back-moving spring end of the first bearing pin 3d, and brace 3j can be around the second bearing pin 3e Being rotatably mounted on the second bearing pin 3e, brace 3j withstanding effect is made in montant 3i, the second back-moving spring 3g For between brace 3j and montant 3i, belt pulley 3b and collar 3k is fixing to be connected, outside collar 3k is socketed in On wheel 3l, foreign steamer 3l is socketed in and interior takes turns on 3n, inside takes turns 3n and is fixedly mounted on rotating shaft 3o, inside takes turns 3n There is the gabarit groove 3n1, foreign steamer 3l of band inclined-plane 3n2 have and be positioned in gabarit groove 3n1 and sliding with inclined-plane 3n2 The dynamic Access Division 3l1, foreign steamer spring 3m abutting cooperation acts on foreign steamer 3l makes its Access Division 3l1 on inclined-plane 3n2 is upper to slide until Access Division 3l1 is connected between collar 3k and inclined-plane 3n2, and foreign steamer 3l has and montant 3i static abut coordinate abutting part 3l2, abutting part 3l2 when foreign steamer 3l rotates effect of impact in brace 3j, Single operation pressing plate 3c abuts foreign steamer abutting part 3l2 after can making foreign steamer 3l 3o rotating a circle around the shaft, Eccentric block 3p is eccentrically mounted on rotating shaft 3o, and punching 2 is fixedly mounted on conversion block 3q, conversion block 3q There is translot 3q1, eccentric block 3p can be arranged in the translot 3q1 of conversion block 3q transverse shifting.

As shown in Fig. 6, Fig. 7, Fig. 8, Fig. 9, the power set of above-mentioned drive mechanism 3 and arrangement of clutch It is so work: when being in unlatching by motor switch, motor 3a drives belt pulley 3b to operate continuously, but Now arrangement of clutch does not continue power, and being because belt pulley 3b and collar 3k is to dally on foreign steamer 3l, Not yet can drive foreign steamer 3l, therefore punching 2 not activity, steps on pedal, no matter pedal is the most loose Opening, all can drive the cross bar 3h being attached thereto, cross bar 3h, with the first bearing pin 3d as fulcrum, carries simultaneously Dynamic associated montant 3i is with the first bearing pin 3d as fulcrum together with brace 3j, and montant 3i turns Moving and mean that it unclamps the confinement to foreign steamer abutting part 3l2, now foreign steamer spring 3m also begins to play a role, Foreign steamer spring 3m makes foreign steamer 3l phase internally take turns 3n rotation, and foreign steamer Access Division 3l1 slides on inclined-plane 3n2 Until Access Division 3l1 is connected between collar 3k and inclined-plane 3n2, such belt pulley 3b just can pass through foreign steamer In Access Division 3l1 drives, wheel 3n rotates together with rotating shaft 3o, and foreign steamer 3l can strike brace 3j when rotating Bottom after brace 3j is bounced off, brace 3j can with the second bearing pin 3e as fulcrum, and produce and montant Relative displacement between 3i, both relative displacements make the second back-moving spring 3g play a role, the second reset bullet Spring 3g can hold montant 3i makes it to return to initially confine foreign steamer abutting part with the first bearing pin 3d for fulcrum The position of 3l2, and foreign steamer 3l takes turns in driving after 3n and rotating shaft 3o rotates 360 ° and is once more connected to erect On bar 3i, foreign steamer Access Division 3l1 on inclined-plane 3n2 reverse slide until Access Division 3l1 reset, collar 3k Come back to the state of idle running on foreign steamer 3l, along with rotating shaft 3o rotates 360 °, eccentric block 3p and conversion The straight line that the rotation of rotating shaft 3o can be converted into conversion block 3q by the cooperation of block 3q is up and down, thus drives punching Plate 2 completes about one round trip, and punching 2 is upwards movable until abutting to the part that punches, and punching 2 continues Towards stamping knife 1 extruding punching part, stamping knife 1 upwards fine motion under the common effect of punching 2 and elastomeric element 5 A little distance, then punching 2 resets downwards, and stamping knife 1 resets under the effect of elastomeric element 5, until returning To former rest position, single depression pressing plate 3c can make punching 2 complete the up and down stroke of single, and unclamps Pedal makes it reset can ready punching operation next time.

As shown in Figure 6, Figure 7, the present embodiment is in order to be able to allow brace 3j successfully produce phase with between montant 3i To displacement, specially having sharp edge 3j1 at brace 3j, montant 3i has the triangle abutting cooperation with sharp edge 3j1 Groove 3i1.

As shown in Figure 8, the present embodiment controls the rotating speed of rotating shaft 3o for convenience, and then controls the work of punching 2 Dynamic speed, particularly improving is that arrangement of clutch includes brake disc 3r and brake(-holder) block 3s, the fixing peace of brake disc 3r Being contained on rotating shaft 3o and link with it, brake(-holder) block 3s is connected in brake disc 3r and slides with brake disc 3r rub Wipe, the force of sliding friction between brake(-holder) block 3s scalable and brake disc 3r.So brake disc 3r and brake(-holder) block 3s can produce obstruction rotating shaft 3o and the effect of punching 2 activity, by regulation force of sliding friction between the two i.e. The function of speed governing can be realized.

As shown in Figure 10, the present embodiment comprises at least three stamping knife 1, the stamping knife of preferably six stamping knife 1 compositions Group and the roll-setting gear 6 of adjustment stamping knife 1 spacing, the spacing between each stamping knife is equal, the end end of each stamping knife 1 Plane is all parallel with punching 2 surface, but it is same flat to be not meant to that the end end plane of each stamping knife 1 can be formed Face, it is allowed to it exists trickle difference in height, and difference in height can be made up by the existence of elastomeric element 5 as previously mentioned, Described roll-setting gear 6 can regulate the spacing between each stamping knife 1 simultaneously.

As shown in Figure 10, aforesaid roll-setting gear 6 includes runner 61, screw rod 62, swivel nut 63, runner 61 Driving screw rod 62 to rotate, screw rod 62 and swivel nut 63 are by threaded engagement, and stamping knife group has stationary knife and moving knife, The static stamping knife group one end that is arranged at of stationary knife, moving knife is fixing with swivel nut 63 to be connected, and each stamping knife 1 is equipped with gangbar 1a, is provided with hinge bar 1a1 and lower hinge bar 1a2, each adjacent gangbar 1a between each adjacent gangbar 1a Linked each other by upper and lower hinge bar 1a1,1a2.If this roll-setting gear 6 rotating wheel 61, runner 61 By screw rod 62 band movable snail sleeve 63 transverse shifting, swivel nut 63 drives the moving knife in stamping knife group horizontal on track a To movement, the hauling type structure that moving knife is formed by upper and lower hinge bar 1a1,1a2, drive in addition to quiet cutter All stamping knives 1 simultaneously transverse shifting on track a, and the spacing increments of adjacent stamping knife 1 is equal to spiral shell The shift length of set 63.

Protection scope of the present invention is not limited to embodiment one, such as can in complete machine involved each relatively Independent mechanism or device do corresponding change, it is also possible to bring the technology same or like with embodiment one Effect, it is achieved the technical purpose identical with embodiment one, so protection scope of the present invention is by claim Book is defined.

Claims

1. it is useful in the puncher on cloth, skin material and leather, including frame (4), frame sets Having stamping knife (1), punching (2) and drive mechanism (3), punching (2) can be arranged on machine up and downly In frame (4) and impact and act on stamping knife (1), drive mechanism (3) drives punching (2) up and down, punching The end end of cutter (1) is in the plane with the punching area equation of preprocessing, and punching (2) has the table in plane Face (21), punching surface (21) are parallel to stamping knife (1) end end plane, and punching surface (21) area is big In the area of plane that stamping knife (1) end end is formed, frame (4) has the elastic acting on stamping knife (1) Part (5), stamping knife (1) have only elastomeric element (5) act under static station and have at punching (2) microstroke up and down and under elastomeric element (5) effect jointly,

It is characterized in that: stamping knife (1) comprise blade (11), cutter head (12), compacting part (13) and Link rod (14), blade (11) can be fixedly mounted on to lateral adjustments in frame (4), and cutter head (12) is held End is in a plane, and blade (11) is provided with link rod hole (111), and link rod (14) can be arranged on up and downly Among link rod hole (111), link rod (14) is fixing with cutter head (12) to be connected, and link rod (14) is provided with and joins The escapement (141) that rod aperture (111) coordinates, having between compacting part (13) and blade (11) can The secure fit of regulation upper-lower position, described elastomeric element (5) two ends are connected to compacting part (13) respectively With cutter head (12), drive mechanism (3) comprises power set and arrangement of clutch, and power set are by switching control Making its operating and stop, power set drive punching (2), single during power set operating by arrangement of clutch Operation arrangement of clutch makes punching (2) complete the up and down stroke of single,

Power set comprise motor (3a) and the belt pulley (3b) linked with motor (3a), arrangement of clutch Comprise pressing plate (3c), the first bearing pin (3d), the second bearing pin (3e), the first back-moving spring (3f), Two back-moving springs (3g), cross bar (3h), montant (3i), brace (3j), collar (3k), foreign steamer (3l), Foreign steamer spring (3m), interior take turns (3n), rotating shaft (3o), eccentric block (3p), conversion block (3q), pressing plate (3c) being rotatably fixed installation and have resetting means, single depression pressing plate (3c) can make punching Plate (2) completes the up and down stroke of single, and the first bearing pin (3d) is fixedly installed, and cross bar (3h) can be around One bearing pin (3d) is rotatably mounted on the first bearing pin (3d), is positioned at the horizontal stroke of the first bearing pin (3d) side Bar (3h) is fixing with pressing plate (3c) to be connected, and the first back-moving spring (3f) acts on and is positioned at the first bearing pin (3d) cross bar (3h) of opposite side, montant (3i) can be rotatably mounted at first around the first bearing pin (3d) On bearing pin (3d), the second bearing pin (3e) is fixedly installed in the both sides of the first bearing pin (3d) and is provided with first That side of back-moving spring, brace (3j) can be rotatably mounted at the second bearing pin (3e) around the second bearing pin (3e) On, brace (3j) withstanding effect acts on brace (3j) in montant (3i), the second back-moving spring (3g) And between montant (3i), belt pulley (3b) is fixing with collar (3k) to be connected, and collar (3k) is socketed in On foreign steamer (3l), foreign steamer (3l) is socketed in interior wheel on (3n), inside takes turns (3n) and is fixedly mounted on rotating shaft (3o) on, inside taking turns (3n) and have the gabarit groove (3n1) on band inclined-plane (3n2), foreign steamer (3l) has position In gabarit groove (3n1) and slide against the Access Division (3l1) coordinated, foreign steamer spring with inclined-plane (3n2) (3m) acting on foreign steamer (3l) makes its Access Division (3l1) slide until Access Division inclined-plane (3n2) is upper (3l1) being connected between collar (3k) and inclined-plane (3n2), foreign steamer (3l) has and montant (3i) Static abut coordinate abutting part (3l2), abutting part (3l2) when foreign steamer (3l) rotates effect of impact in Brace (3j), after single operation pressing plate (3c) can make foreign steamer (3l) (3o) rotates a circle around the shaft Abutting foreign steamer abutting part (3l2), eccentric block (3p) is eccentrically mounted in rotating shaft (3o), and punching (2) is solid Dingan County is contained on conversion block (3q), and conversion block (3q) has translot (3q1), and eccentric block (3p) can be horizontal In the translot (3q1) removably mounting within conversion block (3q),

Arrangement of clutch includes brake disc (3r) and brake(-holder) block (3s), and brake disc (3r) is fixedly mounted on rotating shaft (3o) above linking with it, it is upper and sliding with brake disc (3r) that brake(-holder) block (3s) is connected to brake disc (3r) Dynamic friction, the force of sliding friction between brake(-holder) block (3s) scalable and brake disc (3r),

Comprise the stamping knife group that at least three stamping knife (1) forms and the roll-setting gear adjusting stamping knife (1) spacing (6), the spacing between each stamping knife is equal, described roll-setting gear (6) can regulate simultaneously each stamping knife (1) it Between spacing.

The puncher being useful on cloth, skin material and leather the most according to claim 1, its feature Be: brace (3j) has sharp edge (3j1), montant (3i) have abut with sharp edge (3j1) coordinate Triangular groove (3i1).