CN202943688U - Labor-saving puncher - Google Patents

Labor-saving puncher Download PDF

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Publication number
CN202943688U
CN202943688U CN 201220669285 CN201220669285U CN202943688U CN 202943688 U CN202943688 U CN 202943688U CN 201220669285 CN201220669285 CN 201220669285 CN 201220669285 U CN201220669285 U CN 201220669285U CN 202943688 U CN202943688 U CN 202943688U
Authority
CN
China
Prior art keywords
handle
bracing frame
hole
laborsaving
drift
Prior art date
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.)
Expired - Fee Related
Application number
CN 201220669285
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Chinese (zh)
Inventor
朱勇
朱贵明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
High Speed Power Environmental Protection Technology (suzhou) Co Ltd
SHENZHEN GAOJIELIANG CO Ltd
SHENZHEN LIANSHENG ELECTRICAL CO Ltd
SHANGHAI WEIHONGTONG ELECTRIC CO Ltd
Original Assignee
High Speed Power Environmental Protection Technology (suzhou) Co Ltd
SHENZHEN GAOJIELIANG CO Ltd
SHENZHEN LIANSHENG ELECTRICAL CO Ltd
SHANGHAI WEIHONGTONG ELECTRIC CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by High Speed Power Environmental Protection Technology (suzhou) Co Ltd, SHENZHEN GAOJIELIANG CO Ltd, SHENZHEN LIANSHENG ELECTRICAL CO Ltd, SHANGHAI WEIHONGTONG ELECTRIC CO Ltd filed Critical High Speed Power Environmental Protection Technology (suzhou) Co Ltd
Priority to CN 201220669285 priority Critical patent/CN202943688U/en
Application granted granted Critical
Publication of CN202943688U publication Critical patent/CN202943688U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a labor-saving puncher, which is characterized by comprising a base, a lower die support frame, a guide block, an upper die punch pin, a reset spring, a handle support frame and a handle, wherein an up-down through hole is arranged in the base, the lower die support frame is arranged on and connected with the base, the guide block is arranged in and connected with the lower die support frame, the upper die punch pin passes through the lower die support frame and the guide block respectively and is movably connected with the lower die support frame and the guide block, the reset spring is arranged on the upper die punch pin in a sleeving manner, the handle support frame is vertically connected onto the lower die support frame, and one end of the handle is rotationally connected with the handle support frame. When the labor-saving puncher is used, the handle is contacted with the upper die punch pin, and the upper die punch pin is driven by the handle downwards to forcibly extrude a to-be-punched wiring trough baseplate to accomplish the punching operation; and during the process, the upper die punch pin serves as a supporting point, and the lever principle is utilized, so that the punching operation is easy and convenient. The puncher can punch a hole in a wiring trough quickly and correctly, and is simple in structure, convenient and easy to use, low in carbon emission and environmentally-friendly.

Description

A kind of laborsaving card punch
Technical field
The utility model relates to a kind of perforating device, relates in particular to a kind of laborsaving card punch of installing for metallic channel.
Background technology
Metallic channel is a kind of wire casing commonly used in the mounting electrical complete set of equipments, it comprises wire casing base and slot cover plate, wherein the wire casing base comprises base plate and two side plates, two side plates are separately fixed at the relative both sides of base plate or one-body molded with base plate, be provided with fixedly cable tray on base plate, side plate is provided with the outlet of separated time cabling; Slot cover plate is connected with two side plates on the wire casing base respectively by screw or riveted hasp.Use metallic channel mounting electrical complete set of equipments to make the cable of equipment arrange neatly compactly, be beneficial to the maintenance of electrical equipment, simultaneously because metallic channel includes slot cover plate, can better protect the cable of electrical equipment, prevent the foreign matter intrusion.Metallic channel when mounting electrical equipment according to demand length intercept, and open installing hole on the base plate of online bottom land seat and use screw to be fixed assembling.At present, normally punch with electric drill after positioning marking in perforate on metallic channel.Can produce a large amount of dust chips with the electric drill punching, affect the work on the spot environment, and the dust chip that remains in metallic channel might impact the safe operation of electrical equipment.
The utility model content
The utility model provides a kind of laborsaving card punch, can punch on metallic channel fast and accurately, and is simple in structure, convenient easy-to-use, and low-carbon environment-friendly.
The utility model is realized by the following technical solutions:
A kind of laborsaving card punch is characterized in, comprises:
Base is provided with the hole of up/down perforation on described base;
The counterdie bracing frame, described counterdie bracing frame is arranged on base, and is connected with base;
Guide pad, described guide pad is arranged in the counterdie bracing frame, and is connected with the counterdie bracing frame;
The patrix drift, described patrix drift passes respectively counterdie bracing frame and guide pad, and is flexibly connected with counterdie bracing frame and guide pad;
Back-moving spring, described back-moving spring are nested with on the patrix drift;
The handle bracing frame, described handle bracing frame is vertically connected on the counterdie bracing frame;
Handle, described handle one end and handle bracing frame are rotationally connected.
Above-mentioned laborsaving card punch, be characterized in, described counterdie bracing frame comprises: front support template, rear support template, upper backup pad, lower supporting plate, and described front support template, upper backup pad, rear support template, lower supporting plate vertically are connected to form the rectangular frame of two sides opening successively; Be respectively equipped with the through hole of mutual correspondence on described upper backup pad and lower supporting plate; Be provided with the location set screw that vertically runs through the rear support template on described rear support template.
Above-mentioned laborsaving card punch is characterized in, is provided with the through hole of up/down perforation in described guide pad; Described guide pad is vertically set between the upper backup pad and lower supporting plate of counterdie bracing frame, and its upper end is connected with upper backup pad, leaves the gap between lower end and lower supporting plate.
Above-mentioned laborsaving card punch is characterized in, described patrix drift comprises drift and is vertically connected on the pressing plate of drift upper end; The lower end of described drift is passed through hole on upper backup pad, the through hole on guide pad, the through hole on lower supporting plate successively, and the patrix drift is flexibly connected with counterdie bracing frame, guide pad respectively.
Above-mentioned laborsaving card punch is characterized in that described back-moving spring is nested with on the outer wall of the drift of patrix drift, and this back-moving spring is arranged between the upper backup pad of the pressing plate of patrix drift and counterdie bracing frame.
Above-mentioned laborsaving card punch, be characterized in, described handle bracing frame comprises a pair of handle support panels that parallel interval arranges, and the top correspondence of a pair of described handle support panels is provided with a pair of axis hole, and a pair of described handle support panels is vertically set on respectively on the upper backup pad of counterdie bracing frame.
Above-mentioned laborsaving card punch is characterized in, described handle comprises: depression bar, and an end of this depression bar is provided with axis hole; A rotating shaft, this rotating shaft are arranged in the axis hole of depression bar one end and vertically run through depression bar, and are flexibly connected with depression bar.
Above-mentioned laborsaving card punch is characterized in, described handle is arranged between a pair of handle support panels of handle bracing frame, and the rotating shaft two ends of handle one end are separately positioned in the axis hole on top of a pair of handle support panels.
Above-mentioned laborsaving card punch is characterized in, also comprises the lengthening of handle sleeve pipe, and described lengthening of handle sleeve pipe is nested with the end at handle.
Above-mentioned laborsaving card punch is characterized in, the drift of the through hole on described upper backup pad, the through hole on guide pad, the through hole on lower supporting plate, the hole on base and patrix drift is all on same axis.
The utlity model has following good effect:
The laborsaving card punch of the utility model is owing to being comprised of base, counterdie bracing frame, guide pad, patrix drift, back-moving spring, handle bracing frame, handle, and is simple in structure, convenient easy-to-use; The utility model is owing to having handle, patrix drift, during the rapid operation card punch, handle contacts with the patrix drift, and the patrix drift is completed drilling operation at the metallic channel base plate that under promotion, powerful extruding needs to punch that presses down of handle, in this process, the patrix drift becomes fulcrum, utilize lever principle, made drilling operation easily convenient, and the power saving environmental protection, the lengthening of handle sleeve pipe can be connected in addition and extend decreased food on handle, make drilling operation more easily laborsaving; The utility model is owing to being provided with back-moving spring, make drilling operation complete after the patrix drift automatically get back to the home position under the driving of back-moving spring, the operation power saving is laborsaving; The utility model can be concentrated the hole sheet that punching falls and take in due to the hole that is provided with up/down perforation in base, makes the working environment neat and tidy.Therefore, the utlity model has application prospect widely.
Description of drawings
Fig. 1 is the structural representation of a kind of laborsaving card punch of the utility model;
Fig. 2 is the front view of the embodiment one of a kind of laborsaving card punch of the utility model;
Fig. 3 is the front view of the embodiment two of a kind of laborsaving card punch of the utility model;
Fig. 4 is the structural representation of the counterdie bracing frame of a kind of laborsaving card punch of the utility model;
Fig. 5 is the structural representation of the guide pad of a kind of laborsaving card punch of the utility model;
Fig. 6 is the structural representation of the patrix drift of a kind of laborsaving card punch of the utility model;
Fig. 7 is the working state schematic representation of a kind of laborsaving card punch Application Example of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing, by describing a better specific embodiment in detail, the utility model is further elaborated.
Consult shown in accompanying drawing 1, a kind of laborsaving card punch of the utility model comprises: base 1; Be arranged on base 1 and the counterdie bracing frame 2 that is connected with base 1; Be arranged in counterdie bracing frame 2, and the guide pad 3 that is connected with counterdie bracing frame 2; Pass respectively counterdie bracing frame 2 and guide pad 3, and the patrix drift 4 that is flexibly connected with counterdie bracing frame 2 and guide pad 3; Be nested with the back-moving spring 5 on patrix drift 4; Be vertically connected on the handle bracing frame 6 on counterdie bracing frame 2; The handle 7 that one end and handle bracing frame 7 are rotationally connected.
Base 1 has two kinds of embodiment.Consult shown in accompanying drawing 2, the first embodiment wherein is provided with the hole 11 of up/down perforation on base 1.Consult shown in accompanying drawing 3, wherein the second embodiment, be provided with the hole 11 of up/down perforation on base 1, and also be provided with the opening 12 that level connects on base 1, and opening 12 and hole 11 that on base 1, level connects interconnect.
Consult shown in accompanying drawing 4, counterdie bracing frame 2 comprises front support template 21, rear support template 22, upper backup pad 23, lower supporting plate 24, and front support template 21, upper backup pad 23, rear support template 22, lower supporting plate 24 vertically are connected to form the rectangular frame of two sides opening successively.Be respectively equipped with the through hole 231,241 of mutual correspondence on upper backup pad 23 and lower supporting plate 24.Rear support template 23 is provided with through hole, and the location set screw 25 that vertically runs through rear support template 23 is set in this through hole.
Consult shown in accompanying drawing 5, be provided with the through hole 31 of up/down perforation in guide pad 3.Guide pad 3 is vertically set between the upper backup pad 23 and lower supporting plate 24 of counterdie bracing frame 2, and its upper end is connected with upper backup pad 23, leaves the gap between lower end and lower supporting plate 24.The position of the position of the position of the through hole 31 of guide pad 3 and the through hole 231 of upper backup pad 23, the through hole 241 of lower supporting plate 24 is corresponding respectively.
Consult shown in accompanying drawing 6, patrix drift 4 comprises drift 41 and is vertically connected on the pressing plate 42 of drift 41 upper ends.The lower end of drift 41 is passed through hole 231 on upper backup pad 23, the through hole 31 on guide pad 3, the through hole 241 on lower supporting plate 24 successively, and patrix drift 4 is flexibly connected with counterdie bracing frame 2, guide pad 3 respectively.
Back-moving spring 5 is nested with on the outer wall of the drift 41 of patrix drift 4, and this back-moving spring 5 is arranged between the upper backup pad 23 of the pressing plate 42 of patrix drift 4 and counterdie bracing frame 2.
Handle bracing frame 6 comprises a pair of handle support panels 61 that parallel interval arranges, and the top correspondence of a pair of handle support panels 61 is provided with a pair of axis hole (not marking in accompanying drawing), and a pair of handle support panels 61 is vertically set on respectively on the upper backup pad 23 of counterdie bracing frame 2.
Handle 7 comprises depression bar 71 and a rotating shaft 72, and an end of depression bar 71 is provided with axis hole (not marking in accompanying drawing), and rotating shaft 72 is arranged in this axis hole, vertically runs through depression bar 71 1 ends, and is flexibly connected with depression bar 71.This handle 7 is arranged between a pair of handle support panels 61 of handle bracing frame 6, and rotating shaft 72 two ends of handle 7 one ends are separately positioned in the axis hole on top of a pair of handle support panels 61.The axial location of handle 7 is corresponding with the axial location of patrix drift 4.
The laborsaving card punch of the utility model can also arrange a lengthening of handle sleeve pipe (not marking in accompanying drawing), this lengthening of handle sleeve pipe is nested with an end freely at handle 7, can extend handle 7, thereby the dynamics that applies when reducing punch operation is more laborsaving convenient.
The diameter of the diameter of the through hole 231 on above-mentioned upper backup pad 23, the diameter of the through hole 31 on guide pad 3, the through hole 241 on lower supporting plate 24 is respectively greater than the diameter of drift 41, and the diameter in the hole 11 on base 1 is more than or equal to the diameter of the through hole 241 on lower supporting plate 24.The drift 41 of the through hole 231 on upper backup pad 23, the through hole 31 on guide pad 3, the through hole 241 on lower supporting plate 24, the hole 11 on base 1 and patrix drift 4 is all on same axis.
Consult shown in accompanying drawing 7, when using laborsaving card punch, the wire casing base 10 of metallic channel is sent in the counterdie bracing frame 2 of laborsaving card punch, the base plate of wire casing base 10 passes through the gap between the lower supporting plate 24 of guide pad 3 lower ends and counterdie bracing frame 2, adjusting is arranged on the location set screw 25 on rear support template 22, makes it to adjust on the side plate of the online bottom land seat 10 of vertical top the position of wire casing base 10 in counterdie bracing frame 2; Press down subsequently the free end of handle 7, the depression bar 71 of handle 7 72 rotations around the shaft moves downward and contacts with the pressing plate 42 of patrix drift 4, depression bar 71 continues to move downward, promote pressing plate 42 and move downward compression reseting spring 5, pressing plate 42 drives connected drift 41 in the interior downward motion of the through hole 31 of guide pad 3 simultaneously, until drift 41 contacts with the base plate of wire casing base 10, and make it to fall the hole sheet identical with drift 41 geomeries with the work in coordination base plate of powerful extruded threads bottom land seat 10 of through hole 241 on lower supporting plate 24, complete drilling operation; The free end of release handle 7 afterwards, compressed back-moving spring promote pressing plate 42 and move upward, and pressing plate 42 drives connected drifts 41 and breaks away from lower supporting plates 24, and upwards moves the through hole on guide pad 3 31 in and get back to the home position.The hole sheet that falls from the base plate of wire casing base 10 falls along through hole 241 and the through hole on base 1 11 on lower supporting plate 24.In embodiment one, be provided with the hole 11 of up/down perforation due to base 1, therefore the base 1 of laborsaving card punch can be arranged on workbench, and open the hole on the position corresponding to the hole 11 of base 1 on workbench, accommodation device is set below the through hole of workbench concentrates and take in the hole sheet that falls.In embodiment two, be provided with the hole 11 of up/down perforation due to base 1, and also be provided with the opening 12 that level connects on base 1, the opening 12 that level connects interconnects with the hole 11 of up/down perforation, therefore the base 1 of laborsaving card punch can be arranged on workbench, the hole sheet that falls falls into base 1 inside of laborsaving card punch, can be regularly or the opening cleaning that the level on base 1 connects of pass through of not timing clear up these hole sheets.
In sum, the laborsaving card punch of the utility model is owing to having above-mentioned structure member, and is simple in structure, convenient easy-to-use; During due to the laborsaving card punch of operation the utility model, handle contacts with the patrix drift, the patrix drift is completed drilling operation at the metallic channel base plate that under promotion, powerful extruding needs to punch that presses down of handle, in this process, the patrix drift becomes fulcrum, has utilized lever principle, make drilling operation easily convenient, and the power saving environmental protection can be connected to the lengthening of handle sleeve pipe in addition and extends decreased food on handle, makes drilling operation more easily laborsaving; The utility model is owing to being provided with back-moving spring, make drilling operation complete after the patrix drift automatically get back to the home position under the driving of back-moving spring, the operation power saving is laborsaving; The utility model can be concentrated the hole sheet that punching falls and take in due to the hole that is provided with up/down perforation in base, makes the working environment neat and tidy.Therefore, the utlity model has application prospect widely.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple modification of the present utility model with to substitute will be all apparent.Therefore, protection domain of the present utility model should be limited to the appended claims.

Claims (10)

1. a laborsaving card punch, is characterized in that, comprises:
Base (1) is provided with the hole (11) of up/down perforation on described base (1);
Counterdie bracing frame (2), described counterdie bracing frame (2) is arranged on base (1), and is connected with base (1);
Guide pad (3), described guide pad (3) is arranged in counterdie bracing frame (2), and is connected with counterdie bracing frame (2);
Patrix drift (4), described patrix drift (4) pass respectively counterdie bracing frame (2) and guide pad (3), and are flexibly connected with counterdie bracing frame (2) and guide pad (3);
Back-moving spring (5), described back-moving spring (5) are nested with on patrix drift (4);
Handle bracing frame (6), described handle bracing frame (6) are vertically connected on counterdie bracing frame (2);
Handle (7), described handle (7) one ends and handle bracing frame (7) are rotationally connected.
2. laborsaving card punch as claimed in claim 1, it is characterized in that, described counterdie bracing frame (2) comprises: front support template (21), rear support template (22), upper backup pad (23), lower supporting plate (24), and described front support template (21), upper backup pad (23), rear support template (22), lower supporting plate (24) vertically are connected to form the rectangular frame of two sides opening successively; Be respectively equipped with the through hole (231,241) of mutual correspondence on described upper backup pad (23) and lower supporting plate (24); Be provided with the location set screw (25) that vertically runs through rear support template (23) on described rear support template (23).
3. laborsaving card punch as claimed in claim 2, is characterized in that, is provided with the through hole (31) of up/down perforation in described guide pad (3); Described guide pad (3) is vertically set between the upper backup pad (23) and lower supporting plate (24) of counterdie bracing frame (2), and its upper end is connected with upper backup pad (23), and lower end and lower supporting plate leave the gap between (24).
4. laborsaving card punch as claimed in claim 3, is characterized in that, described patrix drift (4) comprises drift (41) and is vertically connected on the pressing plate (42) of drift (41) upper end; The lower end of described drift (41) is passed through hole (231) on upper backup pad (23), the through hole (31) on guide pad (3), the through hole (241) on lower supporting plate (24) successively, and patrix drift (4) is flexibly connected with counterdie bracing frame (2), guide pad (3) respectively.
5. laborsaving card punch as claimed in claim 4, it is characterized in that, described back-moving spring (5) is nested with on the outer wall of the drift (41) of patrix drift (4), and this back-moving spring (5) is arranged between the upper backup pad (23) of the pressing plate (42) of patrix drift (4) and counterdie bracing frame (2).
6. laborsaving card punch as claimed in claim 2, it is characterized in that, described handle bracing frame (6) comprises a pair of handle support panels (61) that parallel interval arranges, the top correspondence of a pair of described handle support panels (61) is provided with a pair of axis hole, and a pair of described handle support panels (61) is vertically set on respectively on the upper backup pad (23) of counterdie bracing frame (2).
7. laborsaving card punch as claimed in claim 6, is characterized in that, described handle (7) comprises: depression bar (71), and an end of this depression bar (71) is provided with axis hole; A rotating shaft (72), this rotating shaft (72) are arranged in the axis hole of depression bar (71) one ends and vertically run through depression bar (71), and are flexibly connected with depression bar (71).
8. laborsaving card punch as claimed in claim 7, it is characterized in that, described handle (7) is arranged between a pair of handle support panels (61) of handle bracing frame (6), and rotating shaft (72) two ends of handle (7) one ends are separately positioned in the axis hole on top of a pair of handle support panels (61).
9. laborsaving card punch as claimed in claim 1, is characterized in that, also comprises the lengthening of handle sleeve pipe, and described lengthening of handle sleeve pipe is nested with the end at handle (7).
10. laborsaving card punch as claimed in claim 4, it is characterized in that, the drift (41) of the through hole (231) on described upper backup pad (23), the through hole (31) on guide pad (3), the through hole (241) on lower supporting plate (24), the hole (11) on base (1) and patrix drift (4) is all on same axis.
CN 201220669285 2012-12-07 2012-12-07 Labor-saving puncher Expired - Fee Related CN202943688U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220669285 CN202943688U (en) 2012-12-07 2012-12-07 Labor-saving puncher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220669285 CN202943688U (en) 2012-12-07 2012-12-07 Labor-saving puncher

Publications (1)

Publication Number Publication Date
CN202943688U true CN202943688U (en) 2013-05-22

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Application Number Title Priority Date Filing Date
CN 201220669285 Expired - Fee Related CN202943688U (en) 2012-12-07 2012-12-07 Labor-saving puncher

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CN (1) CN202943688U (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103991606A (en) * 2014-04-29 2014-08-20 成都联创精密机械有限公司 Novel compressor with pressing board with height adjustable
CN103991603A (en) * 2014-04-29 2014-08-20 成都联创精密机械有限公司 Compressor with height adjustable type pressing plate
CN105415410A (en) * 2015-12-14 2016-03-23 芜湖恒信汽车内饰制造有限公司 Plastic part cutting device
CN105415425A (en) * 2015-12-14 2016-03-23 芜湖恒信汽车内饰制造有限公司 Cutting method of plastic part cutting device
CN105538406A (en) * 2015-12-14 2016-05-04 芜湖恒信汽车内饰制造有限公司 Cutting method for plastic part cutting system
CN106738038A (en) * 2016-12-21 2017-05-31 中国电子科技集团公司第三十二研究所 Device and method for forming precise circular hole in oriented metal wire silicone rubber
CN106914953A (en) * 2017-03-20 2017-07-04 杨倩 A kind of accounting voucher perforating device
CN108556503A (en) * 2018-06-29 2018-09-21 安徽新店软件开发有限公司 A kind of hand-held is without nail perforating binding machine
CN111266454A (en) * 2020-02-17 2020-06-12 首都医科大学附属北京安贞医院 Portable medical hole puncher

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103991606A (en) * 2014-04-29 2014-08-20 成都联创精密机械有限公司 Novel compressor with pressing board with height adjustable
CN103991603A (en) * 2014-04-29 2014-08-20 成都联创精密机械有限公司 Compressor with height adjustable type pressing plate
CN105415425B (en) * 2015-12-14 2018-02-13 芜湖恒信汽车内饰制造有限公司 A kind of cutting method of plastic part cutting device
CN105415425A (en) * 2015-12-14 2016-03-23 芜湖恒信汽车内饰制造有限公司 Cutting method of plastic part cutting device
CN105538406A (en) * 2015-12-14 2016-05-04 芜湖恒信汽车内饰制造有限公司 Cutting method for plastic part cutting system
CN105538406B (en) * 2015-12-14 2018-02-13 芜湖恒信汽车内饰制造有限公司 A kind of cutting method of working of plastics diced system
CN105415410B (en) * 2015-12-14 2018-02-13 芜湖恒信汽车内饰制造有限公司 A kind of plastic part cutting device
CN105415410A (en) * 2015-12-14 2016-03-23 芜湖恒信汽车内饰制造有限公司 Plastic part cutting device
CN106738038A (en) * 2016-12-21 2017-05-31 中国电子科技集团公司第三十二研究所 Device and method for forming precise circular hole in oriented metal wire silicone rubber
CN106914953A (en) * 2017-03-20 2017-07-04 杨倩 A kind of accounting voucher perforating device
CN108556503A (en) * 2018-06-29 2018-09-21 安徽新店软件开发有限公司 A kind of hand-held is without nail perforating binding machine
CN111266454A (en) * 2020-02-17 2020-06-12 首都医科大学附属北京安贞医院 Portable medical hole puncher
CN111266454B (en) * 2020-02-17 2021-06-22 首都医科大学附属北京安贞医院 Portable medical hole puncher

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130522

Termination date: 20181207

CF01 Termination of patent right due to non-payment of annual fee