CN107009425B - A kind of punching mounting structure of numerical control vibration leather cutting machine - Google Patents
A kind of punching mounting structure of numerical control vibration leather cutting machine Download PDFInfo
- Publication number
- CN107009425B CN107009425B CN201710108891.6A CN201710108891A CN107009425B CN 107009425 B CN107009425 B CN 107009425B CN 201710108891 A CN201710108891 A CN 201710108891A CN 107009425 B CN107009425 B CN 107009425B
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- CN
- China
- Prior art keywords
- dinking
- hexagon socket
- head cap
- socket head
- cap screw
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
- B26F1/14—Punching tools; Punching dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2614—Means for mounting the cutting member
Abstract
The invention discloses a kind of punching mounting structures of numerical control vibration leather cutting machine, support the punch of punch assembly and waste material aspirator to support angle bar including punch assembly, waste material aspirator and for fixed；Wherein, punch assembly includes the drilling motor for providing punching power and the dinking trunk for protecting punching internal element, and, for connecting and the round end hexagon socket head cap screw of fastenings, cup head hexagon socket head cap screw and tack hexagon socket head cap screw are respectively arranged with multiple and different models, match dedicated round end hexagon socket head cap screw according to actual needs in mounting structure, part is fixed in cup head hexagon socket head cap screw and tack hexagon socket head cap screw, cooperate between its each punching components close, it is easy for assemble or unload, operation power is provided by drilling motor and cylinder for entire perforating mechanism, it uses the Automation Design, avoid the trouble of traditional artificial operation, it greatly improves work efficiency.
Description
Technical field
The present invention relates to leather cutting machine technical field, knot is installed in the punching of specially a kind of numerical control vibration leather cutting machine
Structure.
Background technique
Leather cutting machine is a kind of processing equipment dedicated for leather cutting, generally using rod-shaped cutter shaft come to feeding
Leather on platform carries out fly-cutting, and changes the depth of cut of cutter shaft by the adjusting screw above cutter shaft.In leather system
In the production process of product, in order to cooperate dedicated work piece holder, need to carry out punching processing to leather.But existing numerical control vibration
Punch device structure on dynamic leather cutting machine is simple, functional poor, and artificial independent manipulation is often needed after leather cutting
Punch device punches leather, causes working efficiency low, labor intensive.
Summary of the invention
The purpose of the present invention is to provide a kind of punching mounting structure of numerical control vibration leather cutting machine, each punching zero
Cooperate closely between component, easy for assemble or unload, the Automation Design, work efficiency is high, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of punching of numerical control vibration leather cutting machine is pacified
Assembling structure, including punch assembly, waste material aspirator and for the fixed punching for supporting punch assembly and waste material aspirator
Device supports angle bar；Wherein, punch assembly includes to punch the drilling motor of power and for protecting punching internal for providing
The dinking trunk of element, the longitudinally perpendicular installation of drilling motor, in the upper end of drilling motor, engaging has a motor cover, motor cover it is upper
End face is plugged with punch plug, and punch plug passes sequentially through washer, plug fixinig plate, nut and installation is fixed, pad
Circle is connected between punch plug and plug fixinig plate, and nut is mounted between plug fixinig plate and motor cover, solid in plug
Stator be also fastened with round end hexagon socket head cap screw in motor cover and fixed；Between the drilling motor and dinking trunk also
It is attached by engine connector, the edge of engine connector is fixed by three circular cup head hexagon socket head cap screws
On drilling motor, shaft coupling A, shaft coupling B, shaft coupling C, bearing connection are also passed sequentially through in the lower end surface of engine connector
There are bearing supports, wherein shaft coupling A, shaft coupling B, shaft coupling C are successively installed from top to bottom, and passed through transverse direction between three
The jackscrew of installation is fixed, and stop nut, the contact surface of stop nut and bearing are also equipped between shaft coupling C and bearing
Between pressing have plain cushion；Jackscrew, round end hexagon socket head cap screw between bearing and the contact surface of bearing supports by extending transversely through
It is fixed, through there is hollow red switch moving axis in the cavity of the bearing supports, the upper end of dinking rotation axis is plugged on
In bearing, piercer is plugged in lower port, transversely strengthening has jackscrew between piercer and the outer wall of dinking rotation axis；
Wherein, the related dinking rotation axis of bearing supports and piercer integral type are applied in dinking trunk, and bearing supports
Upper port be fastened on the upper port of dinking trunk, be disposed with top collector, upper slitter in the lower port of dinking trunk
Piece protective device, punch spring, protective device guide rail and bottom knife protective device, the related top collection of cutter protective device
Pipe is fixedly mounted on the lower end of dinking trunk, and cutter protective device and bottom knife protection dress by round end hexagon socket head cap screw
The both ends for being connected to protective device guide rail are set, between bottom knife protective device and the contact surface of protective device guide rail also
Jackscrew has been fitted around to be fixed, punch spring is socketed on protective device guide rail, and upper and lower two end faces respectively with
Cutter protective device and bottom knife protective device connect；
The waste material aspirator is fixedly mounted on the side wall of dinking trunk, and the lower end of dinking trunk side wall is equipped with
Linear bearing is fitted with side header, the end face of side header and waste material aspirator at the stopping table of waste material aspirator lower end
On also through there is Flat-head internal hexagonal screw to be fixed；It is installed in the upper surface of waste material aspirator by cup head hexagon socket head cap screw
There is dinking sheet metal, the upper surface of dinking sheet metal is connected with blocking locator by cup head hexagon socket head cap screw,
It is also plugged with fast direct fitting and lasso respectively with the upper surface of sheet metal side in dinking；The related side collection of waste material aspirator
Pipe is integrally mounted on screw spike connector by Flat-head internal hexagonal screw, is also inserted in the upper surface of screw spike connector
It is connected to adjusting rod, and the jackscrew by extending transversely through is fixed；Wherein, the Ka Jiaochu of screw spike connector is fitted in punching
Device supports the top of angle bar, and is fixed with guide rail upper metal block therebetween；In the screw spike connector and punch
Cylinder and guide rail lower-lying metal block, gold above guide rail lower-lying metal block and guide rail are additionally provided between the end face of support angle bar installation
Belong to block to be vertically plugged in guide rail rotation axis；The cylinder is fixedly mounted on punch by round end hexagon socket head cap screw and supports angle bar
On, and stop nut and plain cushion are sequentially installed in the contact face of cylinder and punch support angle bar.
Preferably, drilling motor provides operation power for punch assembly, passes through the related dinking rotation axis work of bearing
Make, so that related piercer works.
Preferably, punch spring plays the role of damping, buffering for punch assembly at work.
Preferably, round end hexagon socket head cap screw, cup head hexagon socket head cap screw and tack hexagon socket head cap screw be respectively arranged with it is multiple not
Same model matches dedicated round end hexagon socket head cap screw, cup head hexagon socket head cap screw peace according to actual needs in mounting structure
Part is fixed in head hexagon socket head cap screw.
Compared with prior art, the beneficial effects of the present invention are: the punching mounting structure of this numerical control vibration leather cutting machine,
For connect and the round end hexagon socket head cap screw of fastenings, cup head hexagon socket head cap screw and tack hexagon socket head cap screw be respectively arranged with it is more
A different model matches dedicated round end hexagon socket head cap screw, cup head hexagon socket head cap screw according to actual needs in mounting structure
Part is fixed with tack hexagon socket head cap screw, is cooperated between each punching components closely, it is easy for assemble or unload, by beating
Hole motor and cylinder provide operation power for entire perforating mechanism, use the Automation Design, avoid the fiber crops of traditional artificial operation
It is tired, it greatly improves work efficiency.
Detailed description of the invention
Fig. 1 is internal structure exploded view of the invention；
Fig. 2 is overall structure diagram of the invention.
In figure: 1 plug fixinig plate, 2 motor covers, 3 drilling motors, 4 engine connectors, 5 shaft coupling A, 6 shaft coupling B, 7
Shaft coupling C, 8 bearings, 9 bearing supports, 10 dinking rotation axis, 11 piercers, 12 adjusting rods, 13 screw spike connectors,
14 blocking locators, 15 dinking sheet metals, 16 guide rail upper metal blocks, 17 dinking trunks, 18 top collectors, on 19
Blade protector, 20 punch springs, 21 protective device guide rails, 22 bottom knife protective devices, 23 waste material aspirators, 24 sets
Circle, 25 side headers, 26 guide rail rotation axis, 27 punch support angle bar, 28 guide rail lower-lying metal blocks, 29 fast direct fittings, 30
Linear bearing, 31 cylinders, 32 punch plugs, 33 washers, 34 nuts, 35 round end hexagon socket head cap screws, 36 glasss of head hexagon socket head cap screws,
37 jackscrews, 38 stop nuts, 39 plain cushions, 40 Flat-head internal hexagonal screws.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out close Chu, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution referring to FIG. 1-2: a kind of punching installation knot of numerical control vibration leather cutting machine
Structure, including punch assembly, waste material aspirator 23 and for the fixed punching for supporting punch assembly and waste material aspirator 23
Device supports angle bar 27；Wherein, punch assembly includes to punch the drilling motor 3 of power and for protecting in punching for providing
The dinking trunk 17 of portion's element, the longitudinally perpendicular installation of drilling motor 3, drilling motor 3 provide operation power for punch assembly,
It is worked by the related dinking rotation axis 10 of bearing 8, so that related piercer 11 works, is engaged in the upper end of drilling motor 3
There is motor cover 2, the upper surface of motor cover 2 is plugged with punch plug 32, and it is solid that punch plug 32 passes sequentially through washer 33, plug
Installation is fixed in stator 1, nut 34, and washer 33 is connected between punch plug 32 and plug fixinig plate 1, and nut 34 is pacified
Between plug fixinig plate 1 and motor cover 2, round end hexagon socket head cap screw 35 is also fastened on plug fixinig plate 1 and motor cover 2
It is fixed；It is also attached by engine connector 4 between the drilling motor 3 and dinking trunk 17, engine
The edge of connector 4 is fixed on drilling motor 3 by three circular cup head hexagon socket head cap screws 36, in engine connector
4 lower end surface also passes sequentially through shaft coupling A5, shaft coupling B6, shaft coupling C7, bearing 8 and is connected with bearing supports 9, wherein connection
Axis device A5, shaft coupling B6, shaft coupling C7 are successively installed from top to bottom, and are consolidated between three by the jackscrew 37 being transversely mounted
It is fixed, it is also equipped with stop nut 38 between shaft coupling C7 and bearing 8, is pressed between stop nut 38 and the contact surface of bearing 8
There is plain cushion 39；Jackscrew 37, round end hexagon socket head cap screw 35 between bearing 8 and the contact surface of bearing supports 9 by extending transversely through
It is fixed, through there is hollow red switch moving axis 10 in the cavity of the bearing supports 9, the upper end of dinking rotation axis 10 is inserted
It connects in bearing 8, piercer 11 is plugged in lower port, between piercer 11 and the outer wall of dinking rotation axis 10 laterally
It is reinforced with jackscrew 37；Wherein, the related dinking rotation axis 10 of bearing supports 9 and 11 integral type of piercer are applied in dinking master
In dry 17, and the upper port of bearing supports 9 is fastened on the upper port of dinking trunk 17, in the lower port of dinking trunk 17
Top collector 18, cutter protective device 19, punch spring 20, protective device guide rail 21 and bottom knife is disposed with to protect
Protection unit 22, the related top collector 18 of cutter protective device 19 are fixedly mounted on dinking master by round end hexagon socket head cap screw 35
Dry 17 lower end, and cutter protective device 19 and bottom knife protective device 22 are connected to the two of protective device guide rail 21
End, bottom knife protective device 22 and protective device are fixed with being also fitted around jackscrew 37 between the contact surface of guide rail 21,
Punch spring 20 is socketed on protective device guide rail 21, and upper and lower two end faces respectively with cutter protective device 19 and under
Blade protector 22 connects, and punch spring 20 plays the role of damping, buffering for punch assembly at work.
The waste material aspirator 23 is fixedly mounted on the side wall of dinking trunk 17, the lower end of 17 side wall of dinking trunk
Linear bearing 30 is installed, is fitted with side header 25 at the stopping table of 23 lower end of waste material aspirator, side header 25 and useless
Expecting also to run through on the end face of aspirator 23 has Flat-head internal hexagonal screw 40 to be fixed；It is logical in the upper surface of waste material aspirator 23
It crosses cup head hexagon socket head cap screw 36 and dinking sheet metal 15 is installed, the upper surface of dinking sheet metal 15 passes through in cup head six
Angle screw 36 is connected with blocking locator 14, is also plugged with fast direct respectively with the upper surface of 15 side of sheet metal in dinking
Fitting 29 and lasso 24；The related side header 25 of waste material aspirator 23 is integrally mounted at screw by Flat-head internal hexagonal screw 40
On spike connector 13, adjusting rod 12, and the top by extending transversely through also are plugged in the upper surface of screw spike connector 13
Silk 37 is fixed；Wherein, the Ka Jiaochu of screw spike connector 13 is fitted in the top of punch support angle bar 27, and the two
Between be fixed with guide rail upper metal block 16；In the end face that the screw spike connector 13 is installed with punch support angle bar 27
Between be additionally provided with cylinder 31 and guide rail lower-lying metal block 28, guide rail lower-lying metal block 28 and guide rail upper metal block 16 are vertically inserted
It connects in guide rail rotation axis 26；The cylinder 31 is fixedly mounted on punch by round end hexagon socket head cap screw 35 and supports angle bar 27
On, and stop nut 38 and plain cushion 39 are sequentially installed in the contact face of cylinder 31 and punch support angle bar 27.
In summary: the punching mounting structure of this numerical control vibration leather cutting machine, for connecting and the round end of fastenings
Hexagon socket head cap screw 35, cup head hexagon socket head cap screw 36 and tack hexagon socket head cap screw 40 are respectively arranged with multiple and different models, are pacifying
Dedicated round end hexagon socket head cap screw 35, cup head hexagon socket head cap screw 36 and Flat-head internal hexagonal spiral shell are matched in assembling structure according to actual needs
40 pairs of parts of silk are fixed, and cooperate between each punching components closely, easy for assemble or unload, gentle by drilling motor 3
Cylinder 31 provides operation power for entire perforating mechanism, uses the Automation Design, avoids the trouble of traditional artificial operation, mentions significantly
High working efficiency.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (4)
1. a kind of punching mounting structure of numerical control vibration leather cutting machine, which is characterized in that aspirated including punch assembly, waste material
Device (23) and punch support angle bar (27) for being used for fixed support punch assembly and waste material aspirator (23)；Wherein, it beats
Hole device assembly includes the drilling motor (3) for providing punching power and the dinking trunk for protecting punching internal element
(17), drilling motor (3) longitudinally perpendicular installation, drilling motor (3) upper end engaging have motor cover (2), motor cover (2) it is upper
End face is plugged with punch plug (32), and punch plug (32) passes sequentially through washer (33), plug fixinig plate (1), nut
(34) installation is fixed, washer (33) is connected between punch plug (32) and plug fixinig plate (1), nut (34) peace
Between plug fixinig plate (1) and motor cover (2), also it is fastened with six in round end on plug fixinig plate (1) and motor cover (2)
Angle screw (35) is fixed；Also pass through engine connector (4) between the drilling motor (3) and dinking trunk (17)
It is attached, the edge of engine connector (4) is fixed on punching electricity by three circular cup head hexagon socket head cap screws (36)
On machine (3), the lower end surface of engine connector (4) also pass sequentially through shaft coupling A (5), shaft coupling B (6), shaft coupling C (7),
Bearing (8) is connected with bearing supports (9), wherein shaft coupling A (5), shaft coupling B (6), shaft coupling C (7) are from top to bottom successively
Installation, and be fixed between three by the jackscrew (37) being transversely mounted, it is also installed between shaft coupling C (7) and bearing (8)
Have stop nut (38), pressing there are plain cushion (39) between stop nut (38) and the contact surface of bearing (8)；Bearing (8) and bearing
It is fixed between the contact surface of supporting element (9) by the jackscrew (37), the round end hexagon socket head cap screw (35) that extend transversely through, described
Through there is hollow red switch moving axis (10) in the cavity of bearing supports (9), the upper end of dinking rotation axis (10) is plugged on bearing
(8) in, piercer (11) are plugged in lower port, between piercer (11) and the outer wall of dinking rotation axis (10) laterally
It is reinforced with jackscrew (37)；Wherein, the related dinking rotation axis (10) of bearing supports (9) and piercer (11) integral type are applied in
In dinking trunk (17), and the upper port of bearing supports (9) is fastened on the upper port of dinking trunk (17), in dinking
The lower port of trunk (17) is disposed with top collector (18), cutter protective device (19), punch spring (20), protection
Device guide rail (21) and bottom knife protective device (22), the related top collector (18) of cutter protective device (19) pass through round end
Hexagon socket head cap screw (35) is fixedly mounted on the lower end of dinking trunk (17), and cutter protective device (19) and bottom knife protection
Device (22) is connected to the both ends of protective device guide rail (21), bottom knife protective device (22) and protective device guide rail
(21) it has also been fitted around jackscrew (37) between contact surface to be fixed, punch spring (20) is socketed in protective device with leading
On rail (21), and upper and lower two end faces are connected with cutter protective device (19) and bottom knife protective device (22) respectively；
The waste material aspirator (23) is fixedly mounted on the side wall of dinking trunk (17), under dinking trunk (17) side wall
End is equipped with linear bearing (30), and side header (25), side collection are fitted at the stopping table of waste material aspirator (23) lower end
Also running through on the end face of pipe (25) and waste material aspirator (23) has Flat-head internal hexagonal screw (40) to be fixed；It is aspirated in waste material
The upper surface of device (23) is equipped with dinking sheet metal (15), dinking sheet metal by cup head hexagon socket head cap screw (36)
(15) upper surface is connected with blocking locator (14) by cup head hexagon socket head cap screw (36), in dinking with sheet metal (15)
The upper surface of side is also plugged with fast direct fitting (29) and lasso (24) respectively；Waste material aspirator (23) related side header
(25) it is integrally mounted on screw spike connector (13) by Flat-head internal hexagonal screw (40), in screw spike connector
(13) upper surface is also plugged with adjusting rod (12), and the jackscrew (37) by extending transversely through is fixed；Wherein, screw spike
The Ka Jiaochu of connector (13) is fitted in the top of punch support angle bar (27), and is fixed with guide rail upper metal therebetween
Block (16)；Cylinder is additionally provided between the screw spike connector (13) and the end face of punch support angle bar (27) installation
(31) and guide rail lower-lying metal block (28), guide rail lower-lying metal block (28) and guide rail upper metal block (16) are vertically plugged on guide rail
In rotation axis (26)；The cylinder (31) is fixedly mounted on punch support angle bar (27) by round end hexagon socket head cap screw (35)
On, and stop nut (38) and plain cushion are sequentially installed in cylinder (31) and the contact face of punch support angle bar (27)
(39)。
2. a kind of punching mounting structure of numerical control vibration leather cutting machine according to claim 1, which is characterized in that punching
Motor (3) provides operation power for punch assembly, by bearing (8) related dinking rotation axis (10) work, thus even
Band piercer (11) works.
3. a kind of punching mounting structure of numerical control vibration leather cutting machine according to claim 1, which is characterized in that punching
Device spring (20) plays the role of damping, buffering for punch assembly at work.
4. a kind of punching mounting structure of numerical control vibration leather cutting machine according to claim 1, which is characterized in that round end
Hexagon socket head cap screw (35), cup head hexagon socket head cap screw (36) and tack hexagon socket head cap screw (40) are respectively arranged with multiple and different types
Number, matched according to actual needs in mounting structure dedicated round end hexagon socket head cap screw (35), cup head hexagon socket head cap screw (36) and
Part is fixed in Flat-head internal hexagonal screw (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710108891.6A CN107009425B (en) | 2017-02-27 | 2017-02-27 | A kind of punching mounting structure of numerical control vibration leather cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710108891.6A CN107009425B (en) | 2017-02-27 | 2017-02-27 | A kind of punching mounting structure of numerical control vibration leather cutting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107009425A CN107009425A (en) | 2017-08-04 |
| CN107009425B true CN107009425B (en) | 2019-01-18 |
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ID=59439663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710108891.6A Active CN107009425B (en) | 2017-02-27 | 2017-02-27 | A kind of punching mounting structure of numerical control vibration leather cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107009425B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111376324A (en) * | 2020-04-29 | 2020-07-07 | 沈笠 | Soft material cutting machine head and cutting device |
| CN117719024B (en) * | 2024-02-07 | 2024-04-09 | 天津晨虹新材料有限公司 | Leather punching machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020124699A1 (en) * | 2001-03-07 | 2002-09-12 | Toru Ishii | Punching device and workpiece processing method |
| US20050115377A1 (en) * | 2003-11-28 | 2005-06-02 | Nisca Corporation | Sheet punching apparatus, sheet finishing apparatus, and image forming apparatus |
| CN101745932A (en) * | 2009-12-07 | 2010-06-23 | 大连三垒机器股份有限公司 | Rapid cutting device of plastic corrugated pipe |
| CN203994040U (en) * | 2014-06-04 | 2014-12-10 | 东莞职业技术学院 | A kind of Multifunctional perforating machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2671100B2 (en) * | 1994-01-31 | 1997-10-29 | 亀倉精機株式会社 | Drilling machine |
-
2017
- 2017-02-27 CN CN201710108891.6A patent/CN107009425B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020124699A1 (en) * | 2001-03-07 | 2002-09-12 | Toru Ishii | Punching device and workpiece processing method |
| US20050115377A1 (en) * | 2003-11-28 | 2005-06-02 | Nisca Corporation | Sheet punching apparatus, sheet finishing apparatus, and image forming apparatus |
| CN101745932A (en) * | 2009-12-07 | 2010-06-23 | 大连三垒机器股份有限公司 | Rapid cutting device of plastic corrugated pipe |
| CN203994040U (en) * | 2014-06-04 | 2014-12-10 | 东莞职业技术学院 | A kind of Multifunctional perforating machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107009425A (en) | 2017-08-04 |
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