WO2009021384A1 - Mèche plate destinée à percer à travers un matériau en bois - Google Patents

Mèche plate destinée à percer à travers un matériau en bois Download PDF

Info

Publication number
WO2009021384A1
WO2009021384A1 PCT/CN2008/000222 CN2008000222W WO2009021384A1 WO 2009021384 A1 WO2009021384 A1 WO 2009021384A1 CN 2008000222 W CN2008000222 W CN 2008000222W WO 2009021384 A1 WO2009021384 A1 WO 2009021384A1
Authority
WO
WIPO (PCT)
Prior art keywords
drill
flat
drilling
tip
wood material
Prior art date
Application number
PCT/CN2008/000222
Other languages
English (en)
Chinese (zh)
Inventor
Qi Zhang
Original Assignee
Qi Zhang
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
Priority claimed from CN200730177083.2F external-priority patent/CN300814991S/zh
Application filed by Qi Zhang filed Critical Qi Zhang
Publication of WO2009021384A1 publication Critical patent/WO2009021384A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G15/00—Boring or turning tools; Augers

Definitions

  • the existing woodworking flat drill generally consists of a drill pipe and a flat drilling section.
  • the drilling section has a cutting edge on both sides, and the center has a drill tip.
  • the main function of the drill tip is to center the core, and the cutting edges on both sides are mainly cutting. blade.
  • the edge of the woodworking flat drill has an inclination angle, and the center drill tip has a triangular structure. The cobalt tip of this structure is not sharp enough, and the cutting effect is not satisfactory.
  • the purpose of the utility model is to provide a woodworking flat drill with a threaded drill tip for the disadvantage that the existing woodworking flat drill tip is not sharp enough and the cutting effect is not ideal.
  • the woodworking flat drill designed by the utility model improves the structure of the drill tip portion, the drill tip is generally tapered, and a thread groove is formed on the drill tip to facilitate centering and provide inward drilling force during the cutting process. , the cutting edge on both sides makes the whole cutting process easier.
  • Figure 1 is a schematic view of the structure of the present invention.
  • Figure 2 is a view taken along the line A-A of Figure 1.
  • the woodworking flat drill of the present invention comprises a drill pipe 1 and a flat drill.
  • the drill pipe 1 has a regular hexagonal cross section, and the rear end of the drill pipe is provided with a mounting groove 4 for facilitating disassembly and assembly of the power tool.
  • the woodworking drill has a cutting edge 3 on both sides of the drilling section, a drill tip 2 in the center, and a cutting edge 3 on both sides.
  • the drill tip 2 has a tapered structure and is provided with a self-tapping thread groove at the periphery.
  • the drilled tip 2 with a threaded groove is centered and firm, and is sharp and advantageous for retraction, and can improve the processing performance of the woodworking flat drill.

Abstract

La présente invention concerne une mèche destinée à percer à travers un matériau en bois comprenant une tige et une tête de coupe. La tête de coupe est sensiblement plate et est pourvue de bords coupants sur les deux côtés. Un foret de forme conique est prévu au centre de la tête de coupe. Une rainure de filetage est formée sur le foret. La mèche plate facilite la suppression des copeaux du trou en cours de perçage.
PCT/CN2008/000222 2007-08-10 2008-01-30 Mèche plate destinée à percer à travers un matériau en bois WO2009021384A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200730177083 2007-08-10
CN200730177083.2F CN300814991S (zh) 2007-08-10 木工扁钻

Publications (1)

Publication Number Publication Date
WO2009021384A1 true WO2009021384A1 (fr) 2009-02-19

Family

ID=40350353

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2008/000222 WO2009021384A1 (fr) 2007-08-10 2008-01-30 Mèche plate destinée à percer à travers un matériau en bois

Country Status (1)

Country Link
WO (1) WO2009021384A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2668361Y (zh) * 2004-01-18 2005-01-05 上海恒久工具实业有限公司 一种高效深孔木工钻
CN2747044Y (zh) * 2004-11-30 2005-12-21 浙江万利工具集团有限公司 自进铲形钻
CN1758977A (zh) * 2003-03-11 2006-04-12 克雷多技术公司 铲状钻头

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1758977A (zh) * 2003-03-11 2006-04-12 克雷多技术公司 铲状钻头
CN2668361Y (zh) * 2004-01-18 2005-01-05 上海恒久工具实业有限公司 一种高效深孔木工钻
CN2747044Y (zh) * 2004-11-30 2005-12-21 浙江万利工具集团有限公司 自进铲形钻

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