CN102962857B - Portable cutting knife - Google Patents

Portable cutting knife Download PDF

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Publication number
CN102962857B
CN102962857B CN201210528541.2A CN201210528541A CN102962857B CN 102962857 B CN102962857 B CN 102962857B CN 201210528541 A CN201210528541 A CN 201210528541A CN 102962857 B CN102962857 B CN 102962857B
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CN
China
Prior art keywords
knife
slide block
blade
base
plate
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.)
Active
Application number
CN201210528541.2A
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Chinese (zh)
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CN102962857A (en
Inventor
周宏林
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.)
YUNNAN HONGTA PLASTIC&RUBBER CO Ltd
Original Assignee
YUNNAN HONGTA PLASTIC&RUBBER 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 YUNNAN HONGTA PLASTIC&RUBBER CO Ltd filed Critical YUNNAN HONGTA PLASTIC&RUBBER CO Ltd
Priority to CN201210528541.2A priority Critical patent/CN102962857B/en
Publication of CN102962857A publication Critical patent/CN102962857A/en
Application granted granted Critical
Publication of CN102962857B publication Critical patent/CN102962857B/en
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Abstract

A portable cutting knife belongs to the technical field of cutting tools, and solves the problems of complex structure, great bulk, inconvenience in blade repairing and low cutting efficiency in the existing film sampling cutting knives. The portable cutting knife provided by the invention comprises a knife rest with an I-shaped cross section; the knife rest consists of a top plate, a base and a connection plate for connecting the top plate with the base; the connection plate is longitudinally provided with a sliding chute; a sliding block is sleeved in the sliding chute; two sliding block pins are arranged at two ends of the sliding block respectively; two knife holders are arranged on the base in positions on two sides of the connection plate; and the knife holders are fixed on the sliding block pins, and are fixedly provided with blades and handles. The portable cutting knife is positioned on a sampling film when being used, the handles are pushed to move the knife holders parallel to the bases, and the film is cut by the blades which are fixed on the knife holders. The portable cutting knife disclosed by the invention has the advantages of convenience for operation, simple structure, and convenience for carrying, placement and maintenance. The blades adopt general two-sided blades; and the time and the cost are saved.

Description

Portable cut-off knife
Technical field
The invention belongs to crop tool technical field, particularly a kind of cutter of cutting plastic sheeting.
Background technology
Test machines performance is being carried out to plastic sheeting, during as tensile strength performance, elongation at break, elasticity modulus test, need to sample film with cut-off knife, traditional Film sampling cut-off knife is cutting knife type or pulley type, its cutter frame structure is complicated, bulky, take up room large, use inconvenience, and blade is special cambered blade, once blade passivation, its regrinding work is complicated, even if undertaken by specialized factory, wastes time and energy; Or carry out the replacing of whole cambered blade, but replacement cost is high, seriously dallies over one's work the time, impact is normally produced.
Summary of the invention
In order to solve, existing Film sampling cutter structure is complicated, bulky, the problem of blade inconvenient maintenance, and the invention provides a kind of portable cut-off knife, its technical scheme is as follows:
Portable cut-off knife, comprising a cross section is I-shaped knife rest, knife rest is made up of top board, base and the connecting plate that connects top board and base, connecting plate is vertically arranged with chute, be set with slide block in chute, respectively there is a slide block pin at slide block two ends, the base of connecting plate both sides are respectively provided with one piece of tool rest, tool rest is fixedly mounted on slider pin and nails on, and tool rest is installed with blade and handle.
As preferred version of the present invention:
The termination of described slide block pin is stretched out outside tool rest, the termination of slide block pin has thread segment, blade is arranged on one of them slider pin and nails on, hold(ing)-down clip is arranged on another slider pin and nails on, be positioned in the slide block pin thread section outside blade and hold(ing)-down clip and be provided with wing nut, blade and hold(ing)-down clip are fastened on tool rest by wing nut.
During use, above-mentioned portable cut-off knife is positioned on sampling film, base is smooth plate armature, be equivalent to guide rail, pull handle that tool rest is moved in parallel along base, sliding pin moves in parallel along chute, cuts film by the blade be fixed on tool rest, the width of knife rest is the width of the film cut out, thus makes the dimensional accuracy of thin-film width obtain strict guarantee.The portable cut-off knife of the present invention is easy to operate, structure simple, is easy to carry, places.Blade is universal double-edged razor blade, uses after a period of time, in order to avoid there is burr flaw during film slitting, by more allowing blade replacement, quality being fully guaranteed, saving time and cost.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the portable cut-off knife of the present invention;
Fig. 2 is that A-A in Fig. 1 is to sectional view.
Detailed description of the invention
Portable cut-off knife as depicted in figs. 1 and 2:
Comprising a cross section is I-shaped knife rest 1, knife rest 1 is made up of top board 2, base 4 and the connecting plate 3 that connects top board 2 and base 4, connecting plate 3 is vertically arranged with chute 5, slide block 6 is set with in chute 5, respectively there is a slide block pin 7 at slide block 6 two ends, the base 4 of connecting plate 3 both sides is respectively provided with one piece of tool rest 8, tool rest 8 is fixedly mounted on slide block pin 7, tool rest 8 is installed with blade 9 and handle 12.
The termination of described slide block pin 7 is stretched out outside tool rest 8, the termination of slide block pin 7 has thread segment, blade 9 is arranged on one of them slide block pin 7, hold(ing)-down clip 10 is arranged on another slide block pin 7, be positioned on slide block pin 7 thread segment outside blade 9 and hold(ing)-down clip 10 and be provided with wing nut 11, blade 9 and hold(ing)-down clip 10 are fastened on tool rest 8 by wing nut 11.
During use, be positioned over by above-mentioned portable cut-off knife on sampling film, base 4 is smooth plate armature, be equivalent to guide rail, pull handle 12 that tool rest 8 is moved in parallel along base 4, slide block 6 moves in parallel along chute 5, cuts film by the blade 9 be fixed on tool rest 8.

Claims (1)

1. portable cut-off knife, it is characterized in that: comprising a cross section is I-shaped knife rest (1), knife rest (1) is by top board (2), the connecting plate (3) of base (4) and connection top board (2) and base (4) is formed, connecting plate (3) is vertically arranged with chute (5), slide block (6) is set with in chute (5), respectively there is a slide block pin (7) at slide block (6) two ends, the base (4) of connecting plate (3) both sides is respectively provided with one piece of tool rest (8), base (4) is smooth plate armature, tool rest (8) is fixedly mounted on slide block pin (7), tool rest (8) is stretched out outward in the termination of slide block pin (7), the termination of slide block pin (7) has thread segment, blade (9) is arranged on one of them slide block pin (7), hold(ing)-down clip (10) is arranged on another slide block pin (7), be positioned on slide block pin (7) thread segment outside blade (9) and hold(ing)-down clip (10) and wing nut (11) is installed, blade (9) and hold(ing)-down clip (10) are fastened on tool rest (8) by wing nut (11), tool rest (8) is installed with blade (9) and handle (12), blade (9) is universal double-edged razor blade.
CN201210528541.2A 2012-12-11 2012-12-11 Portable cutting knife Active CN102962857B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210528541.2A CN102962857B (en) 2012-12-11 2012-12-11 Portable cutting knife

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210528541.2A CN102962857B (en) 2012-12-11 2012-12-11 Portable cutting knife

Publications (2)

Publication Number Publication Date
CN102962857A CN102962857A (en) 2013-03-13
CN102962857B true CN102962857B (en) 2015-05-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210528541.2A Active CN102962857B (en) 2012-12-11 2012-12-11 Portable cutting knife

Country Status (1)

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CN (1) CN102962857B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104070548A (en) * 2014-06-10 2014-10-01 兴威电脑(昆山)有限公司 Protective film cutting device
CN108189089A (en) * 2017-12-26 2018-06-22 重庆嘉德塑料制品有限公司 A kind of plastic film cutter

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5398576A (en) * 1994-03-09 1995-03-21 Chiu; Kuang-Wu Cutting device for a roll of protective film
CN2827667Y (en) * 2005-10-18 2006-10-18 北京意高科技有限公司 Cut-off knife structure for plastic packaging, mount and film covering machine
CN1915612A (en) * 2006-08-30 2007-02-21 徐森良 Manual straight cutting tool
CN200960675Y (en) * 2006-10-27 2007-10-17 刘琳 Simple mini paper-cutter
CN201214255Y (en) * 2008-05-19 2009-04-01 朱正川 Membrane material cutter
CN202964709U (en) * 2012-12-11 2013-06-05 云南红塔塑胶有限公司 Portable cut-off knife

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2874255Y (en) * 2006-02-16 2007-02-28 陈朝泉 Lamp cover
CN200974255Y (en) * 2006-11-09 2007-11-14 陈旸 Shearing stationery

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5398576A (en) * 1994-03-09 1995-03-21 Chiu; Kuang-Wu Cutting device for a roll of protective film
CN2827667Y (en) * 2005-10-18 2006-10-18 北京意高科技有限公司 Cut-off knife structure for plastic packaging, mount and film covering machine
CN1915612A (en) * 2006-08-30 2007-02-21 徐森良 Manual straight cutting tool
CN200960675Y (en) * 2006-10-27 2007-10-17 刘琳 Simple mini paper-cutter
CN201214255Y (en) * 2008-05-19 2009-04-01 朱正川 Membrane material cutter
CN202964709U (en) * 2012-12-11 2013-06-05 云南红塔塑胶有限公司 Portable cut-off knife

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