CN108127698A - A kind of scissors for automatic clipping apparatus - Google Patents

A kind of scissors for automatic clipping apparatus Download PDF

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Publication number
CN108127698A
CN108127698A CN201810061552.1A CN201810061552A CN108127698A CN 108127698 A CN108127698 A CN 108127698A CN 201810061552 A CN201810061552 A CN 201810061552A CN 108127698 A CN108127698 A CN 108127698A
Authority
CN
China
Prior art keywords
knife
handle
scissors
blade
push
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.)
Pending
Application number
CN201810061552.1A
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Chinese (zh)
Inventor
孙际荣
卑五九
夏建平
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.)
Nantong Institute of Technology
Original Assignee
Nantong Institute of Technology
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 Nantong Institute of Technology filed Critical Nantong Institute of Technology
Priority to CN201810061552.1A priority Critical patent/CN108127698A/en
Publication of CN108127698A publication Critical patent/CN108127698A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26BHAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B15/00Hand-held shears with motor-driven blades
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/26Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut
    • B26D1/30Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut with limited pivotal movement to effect cut
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08Means for actuating the cutting member to effect the cut
    • B26D5/12Fluid-pressure means

Abstract

The invention discloses a kind of scissors for automatic clipping apparatus, including scissors, have the first blade, the second blade that folding interlocks, first blade connects the first handle of a knife, second blade connects the second handle of a knife, it is hinged in the first blade and the junction of the first handle of a knife and the junction of the second blade and the second handle of a knife, while is also hingedly fixed with rack.Connecting rod, one end of two connecting rods are hinged and are respectively hinged the tail portion of the first handle of a knife, the second handle of a knife, and two connecting rods form four-bar mechanism with the first handle of a knife, the second handle of a knife;Push-pull rod is connected with the place of being hinged of two connecting rods, and push-pull rod is provided along itself axial reciprocal telescopic power;Compression spring is sleeved on the outer surface of push-pull rod, provides push-pull rod to the close elastic force in scissors direction.Two opposite edges of a knife will be converted to using the invention by single pulling force to shear, equipment cost is low, and structure is reliable, convenient for cutting various filamentary pieces.

Description

A kind of scissors for automatic clipping apparatus
Technical field
The present invention relates to cutting implements, and in particular to a kind of scissors for automatic clipping apparatus.
Background technology
Shearing equipment can be equipped on some production lines, for cutting some bars, filamentary pieces, the frequency height of shearing needs The shearing force wanted is big, and the scissors of human hand operation can not be met the requirements.
Invention content
The problem to be solved in the present invention is to provide a kind of scissors for automatic clipping apparatus, will be turned by single pulling force The opposite edge of a knife shearing of chemical conversion two, equipment cost is low, and structure is reliable, convenient for cutting various filamentary pieces.
To solve the above problems, the present invention provides a kind of scissors for automatic clipping apparatus, in order to achieve the above objectives, this Technical solution is used by invention solves its technical problem:
A kind of scissors for automatic clipping apparatus, including:Scissors has the first blade, the second blade that folding interlocks, First blade connects the first handle of a knife, and the second blade connects the second handle of a knife, in the junction of the first blade and the first handle of a knife and the The junction of two blades and the second handle of a knife is hinged, while is also hingedly fixed with rack.Connecting rod, one end of two connecting rods The tail portion of the first handle of a knife, the second handle of a knife is hinged and is respectively hinged, two connecting rods form four with the first handle of a knife, the second handle of a knife Link mechanism;Push-pull rod is connected with the place of being hinged of two connecting rods, and push-pull rod is provided along itself axial reciprocal telescopic Power;Compression spring is sleeved on the outer surface of push-pull rod, provides push-pull rod to the close elastic force in scissors direction.
It is using the advantageous effect of above-mentioned technical proposal:The scissors is used for automatic clipping apparatus, simple in structure, can quickly cut Disconnected non-ferrous metal wire, cellulose, plastic wire, the glass fiber of diameter less than 0.5 millimeter etc..Shearing piece is not generated when cutting operation Load force.When resting, push-pull rod can be automatically in posture be opened, convenient for treating that shearing piece continues to pass through without pulling force, scissors ontology The plane that the blade of scissors streaks.This device will be converted to two opposite edges of a knife by single pulling force and shear, and will simply transport Dynamic form is converted into relative complex movement, and structure is reliable.Compression spring sleeve on push-pull rod, push-pull rod while pulling force is transmitted, The effect of limiting is provided for compression spring, ensures that compression spring is only compressed axially or extends along itself, will not occur crooked.
As a further improvement on the present invention, the first blade connect fixation, the second sword with the first handle of a knife in 160 ° of angle Portion connect fixation with the second handle of a knife in 160 ° of angle.
It is using the advantageous effect of above-mentioned technical proposal:160 ° of obtuse angle so that pull rod moves extreme position to, will not arrive Up to dead point, ensure that the elastic force of compressed spring is sprung back enough, prevent push-pull rod excessively retraction.
As the further improvement of the present invention, the first blade and the junction of the first handle of a knife and the second blade and second The junction of handle of a knife is connect by hollow combination rivet with gasket, and hollow combination rivet has the first circular hole, and the first circular hole is fixed In rack.
It is using the advantageous effect of above-mentioned technical proposal:Two independent swords of the hollow combination rivet in addition to connecting scissors, The rotational freedom between them is not limited simultaneously, hollow combination rivet is also convenient for fixing with rack, and three fixes so that scissors Only carry out folding shearing motion, without stretch translational motion, relatively scissors persistently cut article in the position set.
As the further improvement of the present invention, two connecting rod equal lengths, the first blade and the second blade length phase Deng the first handle of a knife is equal with the second shank length, and the length of connecting rod is more than the length of the first handle of a knife.
It is using the advantageous effect of above-mentioned technical proposal:The length that the length of connecting rod is more than the first handle of a knife is conducive to even Apply pulling force at any time on extension bar and work, avoid dead angle during work, push-pull rod will not excessively protract.Ensure that scissors opens simultaneously Sufficiently large angle.
As the further improvement of the present invention, push-pull rod has the portion of swelling in the connecting pin with connecting rod, and swell portion Root is cased with catch.
It is using the advantageous effect of above-mentioned technical proposal:Push-pull rod and catch are two independent parts, convenient for making respectively It makes.It swells portion and is pressed convenient for directly being beaten by a cylindrical bar, it is simple for process.
As the further improvement of the present invention, push-pull rod has external thread section in one end far from connecting rod.
It is using the advantageous effect of above-mentioned technical proposal:External thread section on push-pull rod is convenient for connecting with external force application mechanism It connects, and external thread section can bear larger to push away rubbish power.
As the further improvement of the present invention, set between external thread section and catch there are one fixed seat, fixed seat is by phase Mutual vertical first tablet, the second tablet are formed.
It is using the advantageous effect of above-mentioned technical proposal:Fixed seat plays the role of push-pull rod being fixed on limiting.
As the further improvement of the present invention, has the second circle passed through for push-pull rod on the first tablet of fixed seat Hole has on the second tablet and passes through and be fixed on fixed seat the mounting hole in rack for screw.
It is using the advantageous effect of above-mentioned technical proposal:Second circular hole limits push-pull rod, it is ensured that push-pull rod is along certainly Body axis direction moves back and forth.Mounting hole is convenient for fixed seat being fixed in rack.
As the further improvement of the present invention, mounting hole is two, between two mounting holes and hollow combination rivet Line is triangle.
It is using the advantageous effect of above-mentioned technical proposal:Two mounting holes are each attached to the machine of equipment with hollow combination rivet On frame, the layout of triangle enables scissors to obtain firm support while operation is cut.
As the further improvement of the present invention, the diameter of the second circular hole is more than the cross-sectional diameter of push-pull rod, while small In the diameter of compression spring, the diameter of catch is more than the diameter of compression spring.
It is using the advantageous effect of above-mentioned technical proposal:Ensure the both ends of compression spring respectively by the first tablet of fixed seat, gear Piece is limited so that compression spring, which is missing, to be applied to elastic force on push-pull rod.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the explosive view of one embodiment of the present invention;
Fig. 2 is the assembling schematic diagram of one embodiment of the present invention;
Fig. 3 is the assembling schematic diagram of one embodiment of the present invention.
1- scissors;The first blades of 1a-;The second blades of 1b-;The first handle of a knifes of 1c-;The second handle of a knifes of 1d-;2- connecting rods;3- is pushed away Pull rod;3a- external thread sections;3b- swells portion;4- hollow combination rivets;The first circular holes of 4a-;5- gaskets;6- rivets;7- catch;8- Compression spring;9- fixed seats;The first tablets of 9a-;The second tablets of 9b-;The second circular holes of 9c-;9d- mounting holes;α-angle.
Specific embodiment
With reference to specific embodiment, present disclosure is described in further detail:
In order to reach the purpose of the present invention, a kind of scissors for automatic clipping apparatus, including:Scissors 1 has folding friendship Wrong the first blade 1a, the second blade 1b, the first blade 1a the first handle of a knifes of connection 1c, second blade 1b connection the second handle of a knife 1d, It is hinged in the junction of the junction of the first blade 1a and the first handle of a knife 1c and the second blade 1b and the second handle of a knife 1d, together When also hingedly fixed with rack.Connecting rod 2, one end of two connecting rods 2 be hinged and respectively be hinged the first handle of a knife 1c, second The tail portion of handle of a knife 1d, two 2 and first handle of a knife 1c of connecting rod, the second handle of a knife 1d form four-bar mechanism;Push-pull rod 3, with two The place's of being hinged connection of connecting rod 2, push-pull rod 3 are provided along itself axial reciprocal telescopic power;Compression spring 8 is sleeved on push-pull rod 3 On outer surface, push-pull rod 3 is provided to the close elastic force in scissors direction.
As shown in Fig. 2, open configuration is presented in scissors 1, as shown in figure 3, closed state is presented in scissors 1, cut It cuts.The rack of rack, that is, automatic clipping apparatus.
It is using the advantageous effect of above-mentioned technical proposal:The scissors is used for automatic clipping apparatus, simple in structure, can quickly cut Disconnected non-ferrous metal wire, cellulose, plastic wire, the glass fiber of diameter less than 0.5 millimeter etc..Shearing piece is not generated when cutting operation Load force.When resting, push-pull rod can be automatically in posture be opened, convenient for treating that shearing piece continues to pass through without pulling force, scissors ontology The plane that the blade of scissors streaks.This device will be converted to two opposite edges of a knife by single pulling force and shear, and will simply transport Dynamic form is converted into relative complex movement, and structure is reliable.Compression spring sleeve on push-pull rod, push-pull rod while pulling force is transmitted, The effect of limiting is provided for compression spring, ensures that compression spring is only compressed axially or extends along itself, will not occur crooked.
In other embodiments of the present invention, the first blade 1a connect solid with the first handle of a knife 1c in 160 ° of angle Fixed, the second blade 1b connect fixation with the second handle of a knife 1d in 160 ° of angle.As shown in Figure 1, angle α is 160 °.
It is using the advantageous effect of above-mentioned technical proposal:160 ° of obtuse angle so that pull rod moves extreme position to, will not arrive Up to dead point, ensure that the elastic force of compressed spring is sprung back enough, prevent push-pull rod excessively retraction.
In other embodiments of the present invention, the junction and the second blade of the first blade 1a and the first handle of a knife 1c 1b is connect with the junction of the second handle of a knife 1d by hollow combination rivet 4 with gasket 5, and hollow combination rivet 4 has the first circular hole 4a, the first circular hole 4a are fixed in rack.
First circular hole 4a is blind hole.
It is using the advantageous effect of above-mentioned technical proposal:Two independent swords of the hollow combination rivet in addition to connecting scissors, The rotational freedom between them is not limited simultaneously, hollow combination rivet is also convenient for fixing with rack, and three fixes so that scissors Only carry out folding shearing motion, without stretch translational motion, relatively scissors persistently cut article in the position set.
In other embodiments of the present invention, two 2 equal lengths of connecting rod, the first blade 1a and the second blade 1b Equal length, the first handle of a knife 1c and the second handle of a knife 1d equal lengths, the length of connecting rod 2 are more than the length of the first handle of a knife 1c.
It is using the advantageous effect of above-mentioned technical proposal:The length that the length of connecting rod is more than the first handle of a knife is conducive to even Apply pulling force at any time on extension bar and work, avoid dead angle during work, push-pull rod will not excessively protract.Ensure that scissors opens simultaneously Sufficiently large angle.
In other embodiments of the present invention, push-pull rod 3 has the portion 3b that swells in the connecting pin with connecting rod 2, swollen The root of big portion 3b is cased with catch 7.
As shown in Figure 1, the both ends of connecting rod 2 by rivet 6 respectively with the first handle of a knife 1c, the second handle of a knife 1d, swell portion 3b connections.Rivet 6 does not limit their rotational freedoms to each other.Catch 7, which has to pass through for 3 main body of push-pull rod, not to be allowed but to swell The circular hole that portion 3b is passed through.
It is using the advantageous effect of above-mentioned technical proposal:Push-pull rod and catch are two independent parts, convenient for making respectively It makes.It swells portion and is pressed convenient for directly being beaten by a cylindrical bar, it is simple for process.
In other embodiments of the present invention, push-pull rod 3 has external thread section 3a in one end far from connecting rod 2.
External thread section 3a is connect again with equipment such as reciprocating motor, reciprocating air cylinders.
It is using the advantageous effect of above-mentioned technical proposal:External thread section on push-pull rod is convenient for connecting with external force application mechanism It connects, and external thread section can bear larger to push away rubbish power.
In other embodiments of the present invention, set between external thread section 3a and catch 7 there are one fixed seat 9, it is fixed Seat 9 is by being mutually perpendicular to the first tablet 9a, the second tablet 9b is formed.
It is using the advantageous effect of above-mentioned technical proposal:Fixed seat plays the role of push-pull rod being fixed on limiting.
In other embodiments of the present invention, have the passed through for push-pull rod 3 on the first tablet 9a of fixed seat 9 Have on two circular hole 9c, the second tablet 9b and pass through and be fixed on fixed seat 9 the mounting hole 9d in rack for screw.
It is using the advantageous effect of above-mentioned technical proposal:Second circular hole limits push-pull rod, it is ensured that push-pull rod is along certainly Body axis direction moves back and forth.Mounting hole is convenient for fixed seat being fixed in rack.
In other embodiments of the present invention, mounting hole 9d is two, two mounting hole 9d and hollow combination rivet 4 Between line it is triangle.
It is using the advantageous effect of above-mentioned technical proposal:Two mounting holes are each attached to the machine of equipment with hollow combination rivet On frame, the layout of triangle enables scissors to obtain firm support while operation is cut.
In other embodiments of the present invention, the diameter of the second circular hole 9c is more than the cross-sectional diameter of push-pull rod 3, together When less than compression spring 8 diameter, the diameter of catch 7 is more than the diameter of compression spring 8.
It is using the advantageous effect of above-mentioned technical proposal:Ensure the both ends of compression spring respectively by the first tablet of fixed seat, gear Piece is limited so that compression spring, which is missing, to be applied to elastic force on push-pull rod.
During work, a pulling force backward is generated, while compress compression spring 8 by push-pull rod 3,8 two exist in active riveted Connecting rod 2 together moves backward together, so as to which the other end for driving connecting rod 2 is moved at once from separation to closed configuration. Since the hollow combined rivet 4 on scissors 1 is fixed on by fixed screw in rack so that scissors 1 is immediately in the first sword of scissors 1 The resultant force of opposite direction is generated on portion 1a, the second blade 1b, so as to which the first blade 1a, the second blade 1b be pushed mutually to lean on rapidly Closely, object is cut so as to cut.When push-pull rod 3 is without pulling force, because of the elastic force of compression spring 8, scissors 1 is opened immediately in halted state, according to This is moved repeatedly.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art Scholar can understand present disclosure and be implemented, and it is not intended to limit the scope of the present invention, all according to the present invention The equivalent change or modification that Spirit Essence is made should all cover within the scope of the present invention.

Claims (10)

1. a kind of scissors for automatic clipping apparatus, which is characterized in that including:
Scissors, has the first blade, the second blade that folding interlocks, and first blade connects the first handle of a knife, second sword Portion connects the second handle of a knife, mutual in the first blade and the junction of the first handle of a knife and the junction of the second blade and the second handle of a knife It is hinged, while also hingedly fixed with rack;
Connecting rod, one end of two connecting rods are hinged and are respectively hinged the tail portion of the first handle of a knife, the second handle of a knife, and two connect Bar and the first handle of a knife, the second handle of a knife form four-bar mechanism;
Push-pull rod is connected with the place of being hinged of two connecting rods, and the push-pull rod is provided along itself axial reciprocal telescopic power;
Compression spring is sleeved on the outer surface of push-pull rod, provides push-pull rod to the close elastic force in scissors direction.
2. a kind of scissors for automatic clipping apparatus according to claim 1, it is characterised in that:First blade with First handle of a knife is fixed in 160 ° of angle connection, and second blade connect fixation with the second handle of a knife in 160 ° of angle.
3. a kind of scissors for automatic clipping apparatus according to claim 2, it is characterised in that:First blade with The junction of first handle of a knife and the second blade are connect with the junction of the second handle of a knife by hollow combination rivet with gasket, described Hollow combination rivet has the first circular hole, and first circular hole is fixed in rack.
4. a kind of scissors for automatic clipping apparatus according to claim 3, it is characterised in that:Two connection pole lengths Equal, first blade and the second blade equal length, first handle of a knife is equal with the second shank length, the connecting rod Length be more than the first handle of a knife length.
5. a kind of scissors for automatic clipping apparatus according to claim 4, it is characterised in that:The push-pull rod with The connecting pin of connecting rod has the portion of swelling, and the root in the portion that swells is cased with catch.
6. a kind of scissors for automatic clipping apparatus according to claim 5, it is characterised in that:The push-pull rod is remote One end from connecting rod has external thread section.
7. a kind of scissors for automatic clipping apparatus according to claim 6, it is characterised in that:The external thread section with Fixed seat there are one being set between catch, the fixed seat is by being mutually perpendicular to the first tablet, the second tablet is formed.
8. a kind of scissors for automatic clipping apparatus according to claim 7, it is characterised in that:The of the fixed seat Have the second circular hole passed through for push-pull rod on one tablet, have on second tablet and passed through for screw and fix fixed seat Mounting hole in rack.
9. a kind of scissors for automatic clipping apparatus according to claim 8, it is characterised in that:The mounting hole is two A, the line between two mounting holes and hollow combination rivet is triangle.
10. a kind of scissors for automatic clipping apparatus according to claim 9, it is characterised in that:Second circular hole Diameter be more than the cross-sectional diameter of push-pull rod, while less than the diameter of compression spring, the diameter of the catch is more than the diameter of compression spring.
CN201810061552.1A 2018-01-22 2018-01-22 A kind of scissors for automatic clipping apparatus Pending CN108127698A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810061552.1A CN108127698A (en) 2018-01-22 2018-01-22 A kind of scissors for automatic clipping apparatus

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Application Number Priority Date Filing Date Title
CN201810061552.1A CN108127698A (en) 2018-01-22 2018-01-22 A kind of scissors for automatic clipping apparatus

Publications (1)

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CN108127698A true CN108127698A (en) 2018-06-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110539348A (en) * 2019-09-24 2019-12-06 南宁学院 Financial voucher pruning shear

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB177427A (en) * 1921-04-22 1922-03-30 Robert Samuel Inkpen Improvements in pruning shears
SU552044A1 (en) * 1974-12-31 1977-03-30 Pruner
CN2527086Y (en) * 2002-03-21 2002-12-25 李忠真 Combined secateurs with long handle for garden
CN202425362U (en) * 2011-11-25 2012-09-12 徐州市益鸣金属制品实业有限公司 Impact shear
CN203900336U (en) * 2014-04-25 2014-10-29 艾默生管道工具(上海)有限公司 Shearing device and shearing equipment
CN104858896A (en) * 2014-02-26 2015-08-26 丁茂明 Reciprocating type scissors
CN105846341A (en) * 2015-01-13 2016-08-10 国家电网公司 Wire clipper and automatic wire-folding machine
CN207807805U (en) * 2018-01-22 2018-09-04 南通理工学院 A kind of scissors for automatic clipping apparatus

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB177427A (en) * 1921-04-22 1922-03-30 Robert Samuel Inkpen Improvements in pruning shears
SU552044A1 (en) * 1974-12-31 1977-03-30 Pruner
CN2527086Y (en) * 2002-03-21 2002-12-25 李忠真 Combined secateurs with long handle for garden
CN202425362U (en) * 2011-11-25 2012-09-12 徐州市益鸣金属制品实业有限公司 Impact shear
CN104858896A (en) * 2014-02-26 2015-08-26 丁茂明 Reciprocating type scissors
CN203900336U (en) * 2014-04-25 2014-10-29 艾默生管道工具(上海)有限公司 Shearing device and shearing equipment
CN105846341A (en) * 2015-01-13 2016-08-10 国家电网公司 Wire clipper and automatic wire-folding machine
CN207807805U (en) * 2018-01-22 2018-09-04 南通理工学院 A kind of scissors for automatic clipping apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110539348A (en) * 2019-09-24 2019-12-06 南宁学院 Financial voucher pruning shear
CN110539348B (en) * 2019-09-24 2021-03-16 南宁学院 Financial voucher pruning shear

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Application publication date: 20180608