CN104325580A - Burr removing knife used for injection products - Google Patents

Burr removing knife used for injection products Download PDF

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Publication number
CN104325580A
CN104325580A CN201410562194.4A CN201410562194A CN104325580A CN 104325580 A CN104325580 A CN 104325580A CN 201410562194 A CN201410562194 A CN 201410562194A CN 104325580 A CN104325580 A CN 104325580A
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China
Prior art keywords
blade
single dege
angle
knife
dege blade
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CN201410562194.4A
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Chinese (zh)
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CN104325580B (en
Inventor
杨伟
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CHONGQING KILON MOULD PLASTIC Co Ltd
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CHONGQING KILON MOULD PLASTIC Co Ltd
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Priority to CN201410562194.4A priority Critical patent/CN104325580B/en
Publication of CN104325580A publication Critical patent/CN104325580A/en
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Publication of CN104325580B publication Critical patent/CN104325580B/en
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Abstract

The invention discloses a burr removing knife used for injection products. The knife comprises a plastic handle (1) and a single-edge blade (2), wherein the plastic handle (1) is made from shock resistant polystyrene; the single-edge blade (2) is made from a high-carbon tool steel plate with thickness of 2-3mm; the main body width of the single-edge blade (2) is consistent; the front end of the single-edge blade (2) is cut into a bevelled edge and an inclined surface with an included angle alpha of 20-45 degrees is arranged along the whole bevelled edge, thus forming an edge part (2a) of the single-edge blade (2); the width of the tail end of the single-edge blade (2) gradually increases from front to back and the increments at the left and right sides are equal, thus forming a fishtail-shaped connecting part (2b); the fishtail-shaped connecting part (2b) is embedded in the plastic handle (1). The knife has long service life, is convenient to operate and can ensure smoothness of product surfaces when used for removing burrs and flashes of the injection products.

Description

A kind of burring knife for injecting products
Technical field
The invention belongs to cutting-tool engineering field, being specifically related to a kind of cutter for removing injecting products burr.
Background technology
Adopt the plastic product of injection mo(u)lding, some burrs and overlap can be remained down after shaping, affect the outward appearance of product, need it thoroughly to get rid of.The now current cutter for removing burr and overlap, the reused snap blade normally commercially bought.This blade is double-edged blade, and blade is thinner, can not vertically exert oneself during use, and after removing burr, product surface is rough; Blade is longer, inconvenient operation, causes production efficiency low; Although repeatedly use after broken, overall life is not long, and blade consumption is large, and use cost is high.
Summary of the invention
For above-mentioned technical problem, the present invention intends providing a kind of long service life, the easy to operate cutter being exclusively used in removal injecting products burr and overlap, and can ensure that the product surface removing burr and overlap is smooth.
For reaching above-mentioned purpose, the technical solution adopted in the present invention is: a kind of burring knife for injecting products, comprise plastic knife handle (1) and single dege blade (2), key is: described plastic knife handle (1) adopts impact resistant polystyrene to make, single dege blade (2) employing thickness is that the high carbon tool steel sheet material of 2-3mm is made, the body width of described single dege blade (2) is consistent, the front end of single dege blade (2) is cut into hypotenuse, and whole hypotenuse is provided with the inclined plane that angle α is 20 ~ 45 °, thus constitute the blade (2a) of single dege blade (2), the tail end of described single dege blade (2) from front to back width increases gradually, and the recruitment of the left and right sides is equal, thus forming a fishtail connecting portion (2b), described fishtail connecting portion (2b) embeds in plastic knife handle (1).
Preferred as such scheme, the rear end of described blade (2a) stretches out, and the angle of extension is greater than the angle of blade (2a), forms a blunt portion (2c).Blunt portion is made up of the extension of end band mitre after blade, ensure that on the one hand the effective length of blade, on the other hand due to this position when gripping closer to operator, blunt portion is set and can avoids scratching hand.
In addition, the nose width of described fishtail connecting portion (2b) is less than the body width of single dege blade (2), and the rear end width of fishtail connecting portion (2b) is larger than the body width of single dege blade (2).Optimized dimensions, ensureing the prerequisite that fishtail connecting portion can not be deviate from plastic knife handle, saves material to greatest extent, reduces manufacturing cost.
Further, the middle part of described plastic knife handle (1) is provided with anti-skidding cut (1a), is convenient to grip, and prevents from skidding in use procedure.
Be preferably, the angle β of described single dege blade (2) front end hypotenuse is 60 °, and the angle α of described blade (2a) is 45 °.
The invention has the beneficial effects as follows:
(1) blade adopts one side to be inclined-plane, and another side is the single dege blade of plane, in use procedure, can exert oneself perpendicular to product surface, avoids forming cut at product surface, improves the product quality of processing;
(2) plastic knife handle adopts impact resistant polystyrene to make, and single dege blade employing thickness is that the high carbon tool steel sheet material of 2-3mm is made, and improves cutting-tool's used life by selection;
(3) afterbody of single dege blade embeds in plastic knife handle, whole burring knife adopts insert structure, in plastic knife handle forming process, single dege blade directly embeds, and prevent single dege blade from deviating from from plastic knife handle in conjunction with fishtail connecting portion, solid and reliable, meanwhile, the width incremental change of the fishtail connecting portion left and right sides is equal, ensure that left and right stress balance, is the steadiness in order to improve installation equally;
(4) limit the angle α of blade, α crosses very much not sharp, and α is too small not wear-resisting, easily repaiies scarce.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention.
Fig. 2 is the sectional view of A-A in Fig. 1.
Fig. 3 is the sectional view of B-B in Fig. 1.
Detailed description of the invention
Below by embodiment also by reference to the accompanying drawings, the invention will be further described:
As shown in Figure 1, a kind of burring knife for injecting products, is made up of plastic knife handle 1 and single dege blade 2 two parts.
Plastic knife handle 1 adopts impact resistant polystyrene (HIPS) to make, and single dege blade 2 adopts thickness to be that the high carbon tool steel sheet material of 2-3mm is made.Material, the thickness of single dege blade 2 all have requirement, and object improves the intensity of single dege blade 2.
The body width of single dege blade 2 is consistent, and the front end of single dege blade 2 is cut into hypotenuse, and whole hypotenuse is provided with the inclined plane (as shown in Figure 2) that angle α is 20 ~ 45 °, thus constitutes the blade 2a of single dege blade 2.Blade 2a one side is inclined-plane, and one side is plane, therefore is called single dege blade.
The tail end of single dege blade 2 from front to back width increases gradually, and the recruitment of the left and right sides is equal, thus forms a fishtail connecting portion 2b, fishtail connecting portion 2b and embed in plastic knife handle 1.In actual production process, the tail end of single dege blade 2, after high-temperature fusion, inserts in fused mass, then applies pressure, compressed by the tail end of single dege blade 2 by impact resistant polystyrene.
Shown in composition graphs 1-Fig. 3, preferably, the rear end of blade 2a stretches out, and the angle of extension is greater than the angle of blade 2a, forms a blunt portion 2c, and namely blunt portion is made up of the extension of end band mitre after blade.Be preferably, the angle β of single dege blade 2 front end hypotenuse is 60 °, and the angle α of blade 2a is 45 °.
In addition, the nose width of fishtail connecting portion 2b is less than the body width of single dege blade 2, and the rear end width of fishtail connecting portion 2b is larger than the body width of single dege blade 2.The middle part of plastic knife handle 1 is provided with anti-skidding cut 1a.

Claims (5)

1. the burring knife for injecting products, comprise plastic knife handle (1) and single dege blade (2), it is characterized in that: described plastic knife handle (1) adopts impact resistant polystyrene to make, single dege blade (2) employing thickness is that the high carbon tool steel sheet material of 2-3mm is made, the body width of described single dege blade (2) is consistent, the front end of single dege blade (2) is cut into hypotenuse, and whole hypotenuse is provided with the inclined plane that angle α is 20 ~ 45 °, thus constitute the blade (2a) of single dege blade (2); The tail end of described single dege blade (2) from front to back width increases gradually, and the recruitment of the left and right sides is equal, thus forming a fishtail connecting portion (2b), described fishtail connecting portion (2b) embeds in plastic knife handle (1).
2. according to the burring knife for injecting products according to claim 1, it is characterized in that: the rear end of described blade (2a) stretches out, and the angle of extension is greater than the angle of blade (2a), form a blunt portion (2c).
3. according to the burring knife for injecting products described in claim 1 or 2, it is characterized in that: the nose width of described fishtail connecting portion (2b) is less than the body width of single dege blade (2), and the rear end width of fishtail connecting portion (2b) is larger than the body width of single dege blade (2).
4. according to the burring knife for injecting products according to claim 1, it is characterized in that: the middle part of described plastic knife handle (1) is provided with anti-skidding cut (1a).
5. according to the burring knife for injecting products according to claim 1, it is characterized in that: the angle β of described single dege blade (2) front end hypotenuse is 60 °, the angle α of described blade (2a) is 45 °.
CN201410562194.4A 2014-10-21 2014-10-21 Burr removing knife used for injection products Active CN104325580B (en)

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Application Number Priority Date Filing Date Title
CN201410562194.4A CN104325580B (en) 2014-10-21 2014-10-21 Burr removing knife used for injection products

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CN104325580A true CN104325580A (en) 2015-02-04
CN104325580B CN104325580B (en) 2017-02-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109249092A (en) * 2018-11-05 2019-01-22 格力电器(武汉)有限公司 A kind of multifunctional cutter for deburred
CN110126154A (en) * 2019-05-05 2019-08-16 中山市美图塑料工业有限公司 It is a kind of for handling the cutter of plastic cover plate outer rim rim charge

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3135640A1 (en) * 1981-09-09 1983-03-17 Anton 7592 Renchen Ebert Tool for cutting off branches from cultivated plants
GB2111575B (en) * 1981-12-08 1986-01-08 Ronald Patrick Griffiths Putty knife
CN202411569U (en) * 2011-11-11 2012-09-05 青岛捷能汽轮机集团股份有限公司 Scraper
KR101190432B1 (en) * 2010-08-17 2012-10-11 이찬주 Deburring apparatus in car components and deburrinng method thereof
US20130036616A1 (en) * 2011-08-11 2013-02-14 Terry Lee Wagenknecht Dual point hobby knife blade
CN204183771U (en) * 2014-10-21 2015-03-04 重庆凯隆模具塑胶有限公司 For the burring knife of injecting products

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3135640A1 (en) * 1981-09-09 1983-03-17 Anton 7592 Renchen Ebert Tool for cutting off branches from cultivated plants
GB2111575B (en) * 1981-12-08 1986-01-08 Ronald Patrick Griffiths Putty knife
KR101190432B1 (en) * 2010-08-17 2012-10-11 이찬주 Deburring apparatus in car components and deburrinng method thereof
US20130036616A1 (en) * 2011-08-11 2013-02-14 Terry Lee Wagenknecht Dual point hobby knife blade
CN202411569U (en) * 2011-11-11 2012-09-05 青岛捷能汽轮机集团股份有限公司 Scraper
CN204183771U (en) * 2014-10-21 2015-03-04 重庆凯隆模具塑胶有限公司 For the burring knife of injecting products

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109249092A (en) * 2018-11-05 2019-01-22 格力电器(武汉)有限公司 A kind of multifunctional cutter for deburred
CN110126154A (en) * 2019-05-05 2019-08-16 中山市美图塑料工业有限公司 It is a kind of for handling the cutter of plastic cover plate outer rim rim charge
CN110126154B (en) * 2019-05-05 2023-12-19 中山市美图塑料工业有限公司 Cutter for processing rim charge of outer edge of plastic cover plate

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