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JP2008194765A - Blade polishing machine - Google Patents

Blade polishing machine Download PDF

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Publication number
JP2008194765A
JP2008194765A JP2007030572A JP2007030572A JP2008194765A JP 2008194765 A JP2008194765 A JP 2008194765A JP 2007030572 A JP2007030572 A JP 2007030572A JP 2007030572 A JP2007030572 A JP 2007030572A JP 2008194765 A JP2008194765 A JP 2008194765A
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JP
Japan
Prior art keywords
blade
polishing
belt
polishing belt
pulley
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
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JP2007030572A
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Japanese (ja)
Inventor
孝義 ▲高▼木
Takayoshi Takagi
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.)
YOSHIDA KINZOKU KOGYO KK
Original Assignee
YOSHIDA KINZOKU KOGYO KK
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 YOSHIDA KINZOKU KOGYO KK filed Critical YOSHIDA KINZOKU KOGYO KK
Priority to JP2007030572A priority Critical patent/JP2008194765A/en
Priority to TW97100569A priority patent/TW200911456A/en
Priority to PCT/JP2008/051709 priority patent/WO2008096689A1/en
Publication of JP2008194765A publication Critical patent/JP2008194765A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/002—Machines or devices using grinding or polishing belts; Accessories therefor for grinding edges or bevels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/18—Accessories
    • B24B21/20—Accessories for controlling or adjusting the tracking or the tension of the grinding belt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/36—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades
    • B24B3/54—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades of hand or table knives

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cutter grinding apparatus simple in constitution capable of uniformly and easily grinding the whole edge of a cutter even in a beginner's use. <P>SOLUTION: This grinding apparatus includes: a drive pulley (38) and a driven pulley (40) with a distance therebetween variable; a motor for rotating and driving the drive pulley (38); an endless grinding belt (46) having a grinding surface stretched between the drive pulley (38) and the driven pulley (40); an elastic member (52) for energizing the drive pulley (38) and the driven pulley (40) in directions separating from each other; and a guide member (50) arranged close to a portion of the grinding belt (46) extending between the drive pulley (38) and the driven pulley (40), regulating a tilted angle of the cutter (48) with respect to the traveling direction of the grinding belt (46). The elastic member (52) allows the distortion of the grinding belt (46) when the cutting edge of the cutter (48) is pressed to the grinding belt (46). <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は刃物研磨装置に関する。   The present invention relates to a blade polishing apparatus.

刃物の刃先を研磨する刃物研磨装置は、刃物の製造工程（刃付け工程）や家庭等で使用される。
例えば特許文献１が開示する電動式の刃物研磨装置は、回転自在に支持された１対のプーリ（ベルト車）を備える。プーリ間には研磨面を有する無端の研磨ベルト（エンドレス・サンド・ペーパベルト）が架け渡され、一方のプーリは、スプリングによって他方のプーリから離れる方向に付勢されている。研磨ベルトの上方には、刃物受け台が配置されるとともに、刃物を研磨ベルトに押し付ける刃物押さえが配置される。 A blade polishing apparatus for polishing a blade edge of a blade is used in a blade manufacturing process (blading process), a household, or the like.
For example, an electric blade polishing apparatus disclosed in Patent Document 1 includes a pair of pulleys (belt wheels) that are rotatably supported. An endless polishing belt (endless sand paper belt) having a polishing surface is bridged between the pulleys, and one pulley is biased by a spring in a direction away from the other pulley. A blade holder is disposed above the polishing belt, and a blade holder for pressing the blade against the polishing belt is disposed.

一方、特許文献２が開示する電動式の刃物研磨装置では、研磨ベルトの内面に当接したローラがスプリングによって付勢され、プーリ及び研磨ベルトがカバーによって覆われている。カバーの上板には、所定角度の挿入スリットが形成されている。
これらの刃物研磨装置では、スプリングによってプーリ間を延びる研磨ベルトが撓まないように引っ張られ、そして、刃物受け台や挿入スリットによって、研磨ベルトの走行方向に対する刃物の傾斜角度が規定される。
実開昭49-115795号公報 実開昭48-55492号公報 On the other hand, in the electric blade polishing apparatus disclosed in Patent Document 2, a roller that is in contact with the inner surface of the polishing belt is urged by a spring, and the pulley and the polishing belt are covered with a cover. An insertion slit having a predetermined angle is formed on the upper plate of the cover.
In these blade polishing apparatuses, the polishing belt extending between the pulleys is pulled by a spring so as not to bend, and the inclination angle of the blade with respect to the traveling direction of the polishing belt is defined by the blade receiving base and the insertion slit.
Japanese Utility Model Publication No. 49-115795 Japanese Utility Model Publication No. 48-55492

ここで、上述の特許文献１及び２の刃物研磨装置では、研磨ベルトが撓まないように引っ張られ、更には、研磨ベルトの裏面に近接して配置されたペーパーベルト用ガイド等によっても研磨ベルトの撓みが防止される。
このような刃物研磨装置を使用する作業者には、切っ先からあごまで刃先全体を均一に研磨すべく、刃先を刃渡り方向に移動させる間、常に刃先を一定の力で研磨ベルトに押し付けることが要求される。このため、特に、刃物の長手方向に対し、切っ先からあごまで延びる刃先のラインが傾斜しているような刃物については、当該装置の使用に習熟した作業者でなければ、刃先全体を均一に研磨することができない。 Here, in the above-mentioned blade polishing apparatuses of Patent Documents 1 and 2, the polishing belt is pulled so as not to bend, and further, the polishing belt is also guided by a paper belt guide or the like disposed in the vicinity of the back surface of the polishing belt. Is prevented from bending.
An operator who uses such a blade polishing device is required to always press the cutting edge against the polishing belt with a constant force while moving the cutting edge in the span direction in order to uniformly polish the entire cutting edge from the cutting edge to the jaw. Is done. For this reason, especially for blades whose blade line extending from the cutting edge to the jaw is inclined with respect to the longitudinal direction of the blade, the entire cutting edge is uniformly ground unless the operator is proficient in using the apparatus. Can not do it.

本発明は上述の事情に基づいてなされたもので、その目的は、簡単な構成にて、初心者であっても、刃物の刃先全体が均一に容易に研磨される刃物研磨装置を提供することにある。   The present invention has been made based on the above circumstances, and an object of the present invention is to provide a blade polishing apparatus that can easily and uniformly polish the entire cutting edge of a blade with a simple configuration, even for beginners. is there.

上記の目的を達成するため、本発明によれば、互いの距離が可変な駆動プーリ及び従動プーリと、前記駆動プーリを回転駆動するためのモータと、前記駆動プーリと前記従動プーリとの間に架け渡され、研磨面を有する無端の研磨ベルトと、前記駆動及び従動プーリを相互に離間する方向に付勢する弾性部材と、前記駆動プーリと前記従動プーリとの間を延びる前記研磨ベルトの部分の近傍に配置され、前記研磨ベルトの走行方向に対する刃物の傾斜角度を規定するガイド部材とを備える刃物研磨装置において、前記弾性部材は、前記刃物の刃先が前記研磨ベルトに押し付けられたとき、前記研磨ベルトの撓みを許容することを特徴とする刃物研磨装置が提供される（請求項１）。   In order to achieve the above object, according to the present invention, a drive pulley and a driven pulley whose distances are variable, a motor for rotationally driving the drive pulley, and between the drive pulley and the driven pulley are provided. An endless polishing belt spanned and having a polishing surface, an elastic member that urges the drive and driven pulleys away from each other, and a portion of the polishing belt that extends between the drive pulley and the driven pulley And a guide member that defines a tilt angle of the blade with respect to the traveling direction of the polishing belt, and the elastic member is configured such that when the cutting edge of the blade is pressed against the polishing belt, A blade polishing apparatus is provided that allows the polishing belt to bend (claim 1).

好ましくは、前記研磨ベルトは革製である（請求項２）。
好ましくは、前記駆動プーリと前記モータとは脱着可能に連結される（請求項３）。 Preferably, the abrasive belt is made of leather.
Preferably, the drive pulley and the motor are detachably connected to each other (Claim 3).

本発明の請求項１の刃物研磨装置では、刃物の刃先が研磨ベルトに押し付けられたときに、弾性部材が研磨ベルトの撓みを許容する。研磨ベルトが撓むことにより、研磨ベルトの走行方向でみて、刃先が研磨ベルトに押し付けられる位置が若干ずれたとしても、研磨ベルトに対する刃先の接触圧力は一定に保たれる。すなわち、刃先を刃渡り方向に対して移動させる間、研磨ベルトに対し、刃先が一定の力で押し付けられる。この結果として、この刃物研磨装置に不慣れな者であっても、刃先全体を容易に均一に研磨することができる。   In the blade polishing apparatus according to the first aspect of the present invention, the elastic member allows the polishing belt to bend when the blade edge of the blade is pressed against the polishing belt. Due to the bending of the polishing belt, the contact pressure of the cutting edge with respect to the polishing belt is kept constant even if the position where the cutting edge is pressed against the polishing belt is slightly shifted in the running direction of the polishing belt. That is, the blade edge is pressed against the polishing belt with a constant force while the blade edge is moved in the blade crossing direction. As a result, even a person unfamiliar with the blade polishing apparatus can easily and uniformly polish the entire cutting edge.

また、研磨ベルトが撓むことにより、刃先の曲率が小さくても、研磨ベルトから刃先に対して突発的な大きな力が作用することがないので、刃物研磨装置の使用者の安全が確保される。
請求項２の刃物研磨装置によれば、研磨ベルトが革製であることにより、刃先の仕上げ研磨が簡単に実施される。 Further, since the polishing belt is bent, even if the curvature of the cutting edge is small, no sudden large force acts on the cutting edge from the polishing belt, so that the safety of the user of the blade polishing apparatus is ensured. .
According to the blade polishing apparatus of the second aspect, since the polishing belt is made of leather, the finish polishing of the blade edge is easily performed.

請求項３の刃物研磨装置では、駆動プーリとモータとが脱着可能に連結されることで、駆動プーリ、従動プーリ、研磨ベルトをまとめて交換することができる。この結果として、この刃物研磨装置によれば、研磨面の粗さが異なる複数の研磨ベルトによって、刃物を容易に研磨することができる。   In the blade polishing apparatus according to the third aspect, the drive pulley, the driven pulley, and the polishing belt can be exchanged together by connecting the drive pulley and the motor in a detachable manner. As a result, according to this blade polishing apparatus, the blade can be easily polished by the plurality of polishing belts having different polishing surfaces.

図１及び図２は、一実施例の刃物研磨装置を示している。
刃物研磨装置は箱体10を備え、箱体10の背面には電動モータ12が取り付けられている。箱体10の上面には、電動モータ12側にギアボックス14が固定され、ギアボックス14の上部にはシャフトカバー16が一体に形成されている。シャフトカバー16内には、出力軸18が配置され、出力軸18には、電動モータ12のトルクが、ギアボックス14内のギア（図示せず）を介して伝達される。 1 and 2 show a blade polishing apparatus according to an embodiment.
The blade polishing apparatus includes a box 10, and an electric motor 12 is attached to the back of the box 10. A gear box 14 is fixed to the upper surface of the box 10 on the electric motor 12 side, and a shaft cover 16 is integrally formed on the upper portion of the gear box 14. An output shaft 18 is disposed in the shaft cover 16, and the torque of the electric motor 12 is transmitted to the output shaft 18 via a gear (not shown) in the gear box 14.

また、箱体10の上面にはガイドレール20が配置され、ガイドレール20は箱体10の前後方向に延びている。また、ガイドレール20は出力軸18と平行に延び、箱体10の正面からギアボックス14の下部近傍まで延びている。
箱体10の上には、ベルトユニット22が脱着可能に配置される。箱体10に対するベルトユニット22の位置決めは、ガイドレール20によって行われ、ベルトユニット22は、ねじ24によって箱体10に固定され、ねじ24は、ベルトユニット22に設けられた固定金具26の貫通孔を通じて、箱体10の上面に形成されたねじ孔28にねじ込まれる。 A guide rail 20 is disposed on the upper surface of the box body 10, and the guide rail 20 extends in the front-rear direction of the box body 10. The guide rail 20 extends in parallel with the output shaft 18 and extends from the front of the box 10 to the vicinity of the lower portion of the gear box 14.
A belt unit 22 is detachably disposed on the box 10. Positioning of the belt unit 22 with respect to the box body 10 is performed by the guide rail 20, and the belt unit 22 is fixed to the box body 10 by a screw 24, and the screw 24 is a through hole of a fixing bracket 26 provided in the belt unit 22. And is screwed into a screw hole 28 formed in the upper surface of the box 10.

図３に示したように、ユニット22は、駆動プーリケース30及び従動プーリケース32を有し、これら駆動プーリケース30及び従動プーリケース32は、連結ロッド34を介して相互に間隔をあけて連結されている。
駆動プーリケース30の底部には、前述のガイドレール20と係合するガイド溝36が形成され、ガイド溝36は、連結ロッド34と直交する方向に延びている。従って、研磨ユニット22が箱体10上に固定されている状態では、連結ロッド34は箱体10の幅方向に延び、このため、駆動プーリケース30及び従動プーリケース32は、箱体10の幅方向に並んで配置される。 As shown in FIG. 3, the unit 22 has a driving pulley case 30 and a driven pulley case 32, and the driving pulley case 30 and the driven pulley case 32 are connected to each other via a connecting rod 34 with a space therebetween. Has been.
A guide groove 36 that engages with the above-described guide rail 20 is formed at the bottom of the drive pulley case 30, and the guide groove 36 extends in a direction orthogonal to the connecting rod 34. Therefore, in the state where the polishing unit 22 is fixed on the box body 10, the connecting rod 34 extends in the width direction of the box body 10, and therefore, the drive pulley case 30 and the driven pulley case 32 are Arranged side by side.

駆動及び従動プーリケース30,32の内部には、駆動プーリ38及び従動プーリ40がそれぞれ回転自在に配置され、駆動プーリ38及び従動プーリ40の回転軸42,44は、連結ロッド34と直交する水平方向に延びている。駆動プーリ38の回転軸42は、出力軸18と連結可能であり、従って、駆動プーリ38は電動モータ12によって回転駆動可能である。
駆動プーリ38及び従動プーリ40には、例えば革製の１つの無端ベルト（研磨ベルト）46が架け渡されており、研磨ベルト46の外面は刃物の研磨面として適当に形成されている。駆動プーリ38が回転すると、研磨ベルト46が無限軌道を走行し、従動プーリ40も研磨ベルト46に引きずられて回転する。 A driving pulley 38 and a driven pulley 40 are rotatably disposed inside the driving and driven pulley cases 30 and 32, respectively, and the rotating shafts 42 and 44 of the driving pulley 38 and the driven pulley 40 are horizontally aligned with the connecting rod 34. Extending in the direction. The rotating shaft 42 of the driving pulley 38 can be connected to the output shaft 18, and thus the driving pulley 38 can be driven to rotate by the electric motor 12.
One endless belt (abrasive belt) 46 made of, for example, leather is stretched around the drive pulley 38 and the driven pulley 40, and the outer surface of the abrasive belt 46 is appropriately formed as an abrasive surface of the blade. When the drive pulley 38 rotates, the polishing belt 46 travels on an endless track, and the driven pulley 40 rotates while being dragged by the polishing belt 46.

研磨ベルト46は、連結ロッド34の軸線と平行な水平方向に延びる２つの水平部分と、駆動プーリ38及び従動プーリ40の外周面にそれぞれ沿った２つの半円弧部分とからなる。研磨ベルト46の上側の水平部分は、駆動プーリ38と従動プーリ40との間を水平方向に走行する。研磨ベルト46の上側の水平部分は、殆ど露出させられ、この露出した領域にて、研磨ベルト46の外面に刃物48の刃先が押し付けられる。   The polishing belt 46 includes two horizontal portions extending in the horizontal direction parallel to the axis of the connecting rod 34, and two semicircular arc portions along the outer peripheral surfaces of the drive pulley 38 and the driven pulley 40, respectively. The upper horizontal portion of the polishing belt 46 travels between the driving pulley 38 and the driven pulley 40 in the horizontal direction. The horizontal portion on the upper side of the polishing belt 46 is almost exposed, and the cutting edge of the blade 48 is pressed against the outer surface of the polishing belt 46 in this exposed region.

なお、研磨ベルト46の幅は、駆動プーリ38及び従動プーリ40の幅よりも狭く、一般的な刃物の長さよりも短い。
この刃物研磨装置は、研磨された刃物48の刃先の角度を一定にすべく、研磨ベルト46の上側の水平部分に対して、研磨される刃物48の傾斜角度を規定する手段として、ガイド部材50を有する。ガイド部材50は、従動プーリケース32と一体に形成されており、刃物48の側面が押し付けられるガイド面50aを有する。ガイド面50aは、研磨ベルト46の上側の水平部分の両側に設けられ、この水平部分に対し、所定の傾斜角度にて傾斜している。 The width of the polishing belt 46 is narrower than the widths of the driving pulley 38 and the driven pulley 40, and shorter than the length of a general blade.
This blade polishing apparatus is a guide member 50 as means for defining the inclination angle of the blade 48 to be polished with respect to the horizontal portion on the upper side of the polishing belt 46 so as to make the angle of the blade edge of the polished blade 48 constant. Have The guide member 50 is formed integrally with the driven pulley case 32, and has a guide surface 50a against which the side surface of the blade 48 is pressed. The guide surfaces 50a are provided on both sides of the upper horizontal portion of the polishing belt 46, and are inclined at a predetermined inclination angle with respect to the horizontal portion.

また、この刃物研磨装置は、研磨ベルト46の上側の水平部分に適当なテンションを付与する手段を有する。
具体的には、連結ロッド34の一端は、駆動プーリケース30に一体に固定され、連結ロッド34の他端側は、従動プーリケース32に形成された挿入孔51を貫通している。このため従動プーリケース32は、連結ロッド34の軸線方向にスライド可能である。 Further, this blade polishing apparatus has means for applying an appropriate tension to the upper horizontal portion of the polishing belt 46.
Specifically, one end of the connecting rod 34 is integrally fixed to the drive pulley case 30, and the other end side of the connecting rod 34 passes through an insertion hole 51 formed in the driven pulley case 32. For this reason, the driven pulley case 32 can slide in the axial direction of the connecting rod 34.

そして、連結ロッド34には、弾性部材として圧縮コイルばね52が装着され、圧縮コイルバネ52の両端は、駆動及び従動プーリケース30,32にそれぞれ当接している。圧縮コイルばね52は、駆動プーリケース30から離間する方向に従動プーリケース32を付勢し、この圧縮コイルばね52の付勢力によって、研磨ベルト46の水平部分には適当なテンションが付与される。   A compression coil spring 52 is mounted on the connecting rod 34 as an elastic member, and both ends of the compression coil spring 52 are in contact with the drive and driven pulley cases 30 and 32, respectively. The compression coil spring 52 urges the driven pulley case 32 in a direction away from the drive pulley case 30, and an appropriate tension is applied to the horizontal portion of the polishing belt 46 by the urging force of the compression coil spring 52.

以下、上述した刃物研磨装置の使用方法について説明する。
まず、電動モータ12の電源を入れて駆動プーリ38を回転させ、研磨ベルト46の上側部分を水平方向に走行させる。それから、図３に示したように、刃物研磨装置の上方から、ガイド部材50のガイド面50aに当接するように、刃物48を研磨ベルト46の上側の水平部分に押し付ける。そして、刃物48の刃先を研磨ベルト46に押し付けながら、図４に示したように、刃物48を長手方向に往復動させて、刃物の一方の面側から刃先全体を研磨する。 Hereinafter, a method of using the above-described blade polishing apparatus will be described.
First, the electric motor 12 is turned on, the drive pulley 38 is rotated, and the upper part of the polishing belt 46 is caused to travel in the horizontal direction. Then, as shown in FIG. 3, the blade 48 is pressed against the upper horizontal portion of the polishing belt 46 so as to contact the guide surface 50 a of the guide member 50 from above the blade polishing apparatus. Then, as shown in FIG. 4, the blade 48 is reciprocated in the longitudinal direction while pressing the blade edge of the blade 48 against the polishing belt 46, thereby polishing the entire blade edge from one surface side of the blade.

そして、刃物の一方の面側から研磨した後、刃物を裏返し、同様に研磨する。かくして、刃物の刃先全体が両面側から研磨される。
上述した刃物研磨装置によれば、刃物48の刃先が研磨ベルト46に押し付けられたときに、弾性部材としての圧縮コイルばね52が研磨ベルト46の撓みを許容する。研磨ベルト46が撓むことにより、研磨ベルト46の走行方向でみて、刃先が研磨ベルト46に押し付けられる位置が若干ずれたとしても、研磨ベルト46に対する刃先の接触圧力は一定に保たれる。 And after grinding | polishing from the one surface side of a cutter, a cutter is turned over and it grind | polishes similarly. Thus, the entire cutting edge of the blade is polished from both sides.
According to the blade polishing apparatus described above, when the cutting edge of the blade 48 is pressed against the polishing belt 46, the compression coil spring 52 as an elastic member allows the polishing belt 46 to bend. When the polishing belt 46 is bent, the contact pressure of the cutting edge with respect to the polishing belt 46 is kept constant even if the position where the cutting edge is pressed against the polishing belt 46 is slightly shifted in the traveling direction of the polishing belt 46.

より詳しくは、刃物48の刃先のラインが、切っ先からあごにわたって弧を描いている場合、刃物を長手方向に往復動させると、図５及び図６に示したように刃物の長手方向位置に対応して、刃先が押し付けられる研磨ベルト46の位置が変化する。このように位置が変化しても、研磨ベルト46が、研磨ベルト46自身の可撓性及び圧縮コイルばね52の弾性に基づいて撓むことにより、研磨ベルト46に対する刃先の接触圧力は一定に保たれる。   More specifically, when the line of the cutting edge of the blade 48 draws an arc from the cutting edge to the jaw, when the blade is reciprocated in the longitudinal direction, it corresponds to the longitudinal position of the blade as shown in FIGS. Thus, the position of the polishing belt 46 to which the blade edge is pressed changes. Even if the position changes in this manner, the contact pressure of the blade edge with respect to the polishing belt 46 is kept constant because the polishing belt 46 bends based on the flexibility of the polishing belt 46 itself and the elasticity of the compression coil spring 52. Be drunk.

すなわち、刃先を刃渡り方向に対して移動させる間、研磨ベルト46に対し、刃先が一定の力で押し付けられる。この結果として、この刃物研磨装置に不慣れな初心者であっても、刃先全体を容易に均一に研磨することができる。
また、研磨ベルト46が撓むことにより、刃先の曲率が小さくても、研磨ベルト46から刃先に対して突発的な大きな力が作用することがないので、刃物研磨装置の使用者の安全が確保される。 In other words, the blade edge is pressed against the polishing belt 46 with a constant force while the blade edge is moved in the blade crossing direction. As a result, even a beginner unfamiliar with the blade polishing apparatus can easily and uniformly polish the entire cutting edge.
In addition, since the polishing belt 46 is bent, even if the curvature of the cutting edge is small, no sudden large force acts on the cutting edge from the polishing belt 46, so the safety of the user of the blade polishing apparatus is ensured. Is done.

本発明は上記した一実施例に限定されることはなく、種々変形が可能であり、例えば、箱体10の上にベルトユニット22を分離不能に固定してもよい。ただし、一実施形態の刃物研磨装置のように、駆動プーリ38と電動モータ12とが脱着可能に連結されることで、駆動プーリ38、従動プーリ40、研磨ベルト46をまとめて交換することができる。すなわち、ベルトユニット22をまとめて交換することができる。この結果として、この刃物研磨装置によれば、研磨面の粗さが異なる複数の研磨ベルト46によって、刃物を容易に研磨することができる。   The present invention is not limited to the above-described embodiment, and various modifications are possible. For example, the belt unit 22 may be fixed on the box 10 so as not to be separated. However, the drive pulley 38, the driven pulley 40, and the polishing belt 46 can be exchanged together by connecting the drive pulley 38 and the electric motor 12 in a detachable manner as in the blade polishing apparatus of one embodiment. . That is, the belt unit 22 can be exchanged collectively. As a result, according to this blade polishing apparatus, the blade can be easily polished by the plurality of polishing belts 46 having different polishing surfaces.

また、一実施形態の刃物研磨装置では、研磨ベルト46が革製であったけれども、研磨ベルト46の材質は革に限定されない。ただし、革製の研磨ベルト46によれば、刃先の仕上げ研磨が簡単に実施される。   In the blade polishing apparatus of one embodiment, the polishing belt 46 is made of leather, but the material of the polishing belt 46 is not limited to leather. However, according to the leather polishing belt 46, the finish polishing of the cutting edge is easily performed.

一実施例の刃物研磨装置の斜視図である。It is a perspective view of the blade grinding | polishing apparatus of one Example. 図１の刃物研磨装置を分解して示す斜視図である。It is a perspective view which decomposes | disassembles and shows the blade grinding | polishing apparatus of FIG. 図１の刃物研磨装置の断面図である。It is sectional drawing of the blade grinding | polishing apparatus of FIG. 図１の刃物研磨装置の使用方法を説明するための概略図である。It is the schematic for demonstrating the usage method of the blade grinding | polishing apparatus of FIG. 図１の刃物研磨装置により、刃物の刃先側を研磨しているときの状態を示す部分断面図である。It is a fragmentary sectional view which shows a state when the blade edge | tip side of a blade is grind | polished with the blade grinder of FIG. 図１の刃物研磨装置により、刃物のあご側を研磨しているときの状態を示す部分断面図である。It is a fragmentary sectional view which shows a state when the jaw side of a blade is grind | polished with the blade grinder of FIG.

符号の説明Explanation of symbols

38 駆動プーリ
40 従動プーリ
46 研磨ベルト
48 刃物
50 ガイド部材
52 圧縮コイルばね（弾性部材） 38 Drive pulley
40 driven pulley
46 Abrasive belt
48 Cutlery
50 Guide member
52 Compression coil spring (elastic member)

Claims (3)

互いの距離が可変な駆動プーリ及び従動プーリと、前記駆動プーリを回転駆動するためのモータと、前記駆動プーリと前記従動プーリとの間に架け渡され、研磨面を有する無端の研磨ベルトと、前記駆動及び従動プーリを相互に離間する方向に付勢する弾性部材と、前記駆動プーリと前記従動プーリとの間を延びる前記研磨ベルトの部分の近傍に配置され、前記研磨ベルトの走行方向に対する刃物の傾斜角度を規定するガイド部材とを備える刃物研磨装置において、
前記弾性部材は、前記刃物の刃先が前記研磨ベルトに押し付けられたとき、前記研磨ベルトの撓みを許容する
ことを特徴とする刃物研磨装置。 A drive pulley and a driven pulley whose distances are variable, a motor for rotationally driving the drive pulley, an endless polishing belt spanned between the drive pulley and the driven pulley and having a polishing surface; An elastic member that urges the driving and driven pulleys in a direction away from each other, and a blade that is disposed in the vicinity of the portion of the polishing belt that extends between the driving pulley and the driven pulley, and that runs in the running direction of the polishing belt. In a blade polishing apparatus comprising a guide member that defines an inclination angle of
The blade polishing apparatus according to claim 1, wherein the elastic member allows the polishing belt to bend when a cutting edge of the blade is pressed against the polishing belt. 前記研磨ベルトは革製であることを特徴とする請求項１に記載の刃物研磨装置。   The blade polishing apparatus according to claim 1, wherein the polishing belt is made of leather. 前記駆動プーリと前記モータとは脱着可能に連結されることを特徴とする請求項１又は２に記載の刃物研磨装置。   The blade polishing apparatus according to claim 1 or 2, wherein the drive pulley and the motor are detachably connected to each other.
JP2007030572A 2007-02-09 2007-02-09 Blade polishing machine Pending JP2008194765A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2007030572A JP2008194765A (en) 2007-02-09 2007-02-09 Blade polishing machine
TW97100569A TW200911456A (en) 2007-02-09 2008-01-07 Blade polishing machine
PCT/JP2008/051709 WO2008096689A1 (en) 2007-02-09 2008-01-29 Edged tool sharpening device

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Application Number Priority Date Filing Date Title
JP2007030572A JP2008194765A (en) 2007-02-09 2007-02-09 Blade polishing machine

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