CN2146352Y - 带墙整体硬质合金指接刀 - Google Patents

带墙整体硬质合金指接刀 Download PDF

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Publication number
CN2146352Y
CN2146352Y CN 92222031 CN92222031U CN2146352Y CN 2146352 Y CN2146352 Y CN 2146352Y CN 92222031 CN92222031 CN 92222031 CN 92222031 U CN92222031 U CN 92222031U CN 2146352 Y CN2146352 Y CN 2146352Y
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China
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cutter
wall
finger joint
teeth
finger
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Expired - Fee Related
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CN 92222031
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范忠仁
董希仁
陈世忠
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Individual
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Abstract

一种拼接木材用的指接刀,它是在45号钢的刀 体上,加工出完整的指形,在同一齿槽上,齿的距离p 是工件指距t的二倍,并且在圆周上相邻两齿槽上的 齿2和3是错开排列,在齿形上铣出刀片槽,并焊上 硬质合金刀片。用计算出的砂轮截形和砂轮与指接 刀的位置磨出侧后角。这种指接刀由于带“墙”,增加 了刀齿强度,避免了振动,提高刀具耐用度和寿命,提 高单板拼接质量。

Description

本实用新型的名称是“带墙整体硬质合金指接刀”,属于机械技术领域。
“带墙整体硬质合金指接刀”其结构特点是带墙,增大了刀齿强度,避免了切削时的振动,提高了刀具耐用度、使用寿命、加工精度和工件的表面粗糙度,因而提高了接板的质量。
据查国内各工具厂家(如天津林业工具厂和哈尔滨第二工具厂等),以及国内外(如西德、美国、加拿大和日本等)的一些厂家所生产指接刀的结构形式有两种:一种是单片式,它是制成单片带墙结构,然后组装成指接刀;另一种是整体式,但由于无法解决两侧后刀面的制造困难,只是把硬质合金刀齿直接镶在刀体上,而不带用以加强刀齿强度和提高刀具使用寿命的“墙”。
发明该指接刀的目的是提高该类型刀具的耐用度和寿命,提高拼接单板的质量和强度,为生产服务。
“带墙整体硬质合金指接刀”是在45号钢的刀体毛坯1上加工出完整的工件要求的指形。在同一齿槽上,齿的距离p是工件指距t的二倍,并且在圆周上相邻两齿槽上的齿2和3是错开排列,而后在各刀齿上铣出镶硬质合金刀片的刀槽。把YG8的硬质合金刀片4镶在刀槽上后,用计算出的截形的砂轮,按着一定的轨迹运动,磨制两齿侧的后刀面。砂轮的位置按两侧后角值的大小来计算。
该实用新型和不带墙硬质合金指接刀及单片带墙而后组装的组合指接刀相比,其优点是刀齿强度高、抗振性高、刀具耐用度高、积累误差小、接板质量强度好。
本实用新型的结构由以下的实施例其附图给出。
图1是指接刀的结构图;
图2是图1刀齿法向截面NN的放大图;
图3是图1的轴向剖视图。

Claims (1)

  1. 一种指接刀,其特征是整体、带墙,是在45号钢的刀体毛坯1上加工出完整的工件要求的指形,在同一齿槽上,齿的距离p是工件指距t的二倍,并且在圆周上相邻两齿槽上的齿2和3是错开排列的。
CN 92222031 1992-05-09 1992-05-09 带墙整体硬质合金指接刀 Expired - Fee Related CN2146352Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 92222031 CN2146352Y (zh) 1992-05-09 1992-05-09 带墙整体硬质合金指接刀

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 92222031 CN2146352Y (zh) 1992-05-09 1992-05-09 带墙整体硬质合金指接刀

Publications (1)

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CN2146352Y true CN2146352Y (zh) 1993-11-17

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ID=33768697

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CN 92222031 Expired - Fee Related CN2146352Y (zh) 1992-05-09 1992-05-09 带墙整体硬质合金指接刀

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CN (1) CN2146352Y (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011116489A1 (zh) * 2010-03-22 2011-09-29 Yang Junqi 组合使用的指接刀

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011116489A1 (zh) * 2010-03-22 2011-09-29 Yang Junqi 组合使用的指接刀

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