CN1286177A - 一种制造铅笔杆的方法 - Google Patents

一种制造铅笔杆的方法 Download PDF

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CN1286177A
CN1286177A CN 99118450 CN99118450A CN1286177A CN 1286177 A CN1286177 A CN 1286177A CN 99118450 CN99118450 CN 99118450 CN 99118450 A CN99118450 A CN 99118450A CN 1286177 A CN1286177 A CN 1286177A
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pencil
make
paraffin
diluent
solvent
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CN1116991C (zh
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吴奉军
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Abstract

本发明涉及一种制造铅笔杆的方法,将石膏加废纸纤维和粘合剂及适量缓凝剂搅拌,制成稀料,将稀料注入模具,制成坯料,将坯料干燥后,加入铅芯制成铅笔,将铅笔浸入石蜡中处理。用本发明提供的方法制造铅笔杆,不使用木材、制成的笔杆切削容易、造价低廉,本发明可广泛用于铅笔制造行业。

Description

一种制造铅笔杆的方法
本发明涉及一种铅笔的制造方法,具体说是一种铅笔杆的制造方法。目前,所用的铅笔杆多为木材加工制成,这种方法既浪费绿色资源,又与环保不利,且制造成本高。
本发明的目的就是克服现有制造铅笔杆方法的不足,提供一种制造不使用木材、切削容易、且造价低廉的铅笔杆的方法。
为达到上述目的,一种制造铅笔杆的方法,其特征是该方法包含以下步骤:将2-8.5份石膏(按重量比,下同)加1.5-8份废纸纤维和8-20份粘合剂及适量缓凝剂搅拌,制成稀料,将稀料注入模具,制成坯料,将坯料干燥后,加入铅芯制成铅笔,将铅笔浸入石蜡中处理。
本发明所用粘合剂是将5%-25%的淀粉水溶液升温糊化制成,纤维采用纸粉碎成细小均匀的纸纤维,所用石蜡为石蜡熔液或液体石蜡。
本发明所用该粘合剂使稀料在模具中具有良好的可塑性,加入按规定所述比例的石膏使制成品成型尺寸精确,加入按规定所述比例的纤维可改善制成品的力学结构。
下面对本发明做详细说明。
实施例1、配制5%的淀粉水溶液,升温糊化成粘合剂备用。按2克石膏加8克废纸纤维,废纸纤维为干重,再加20克淀粉粘合剂及适量缓凝剂搅拌制成稀料,将稀料注入模具,制成铅笔杆坯料,将坯料干燥后,加入铅芯制成铅笔,将铅笔浸入石蜡中处理。
实施例2、配制10%的淀粉水溶液,升温糊化成粘合剂备用。按6克石膏加4克废纸纤维,废纸纤维为干重,再加10克淀粉粘合剂及适量缓凝剂搅拌制成稀料,将稀料注入模具,制成铅笔杆坯料,将坯料干燥后,加入铅芯制成铅笔,将铅笔浸入石蜡中处理。
实施例3、配制25%的淀粉水溶液,升温糊化成粘合剂备用。按8.5克石膏加1.5克废纸纤维,废纸纤维为干重,再加8克淀粉粘合剂及适量缓凝剂搅拌制成稀料,将稀料注入模具,制成铅笔杆坯料,将坯料干燥后,加入铅芯制成铅笔,将铅笔浸入石蜡中处理。

Claims (3)

1、一种制造铅笔杆的方法,其特征是该方法包含以下步骤:将2-8.5份石膏(按重量比,下同)加1.5-8份废纸纤维和8-20份粘合剂及适量缓凝剂搅拌,制成稀料,将稀料注入模具,制成坯料,将坯料干燥后,加入铅芯制成铅笔,将铅笔浸入石蜡中处理。
2、按权利要求1所述的制造铅笔杆的方法,其特征在于所用粘合剂是将5%-25%的淀粉水溶液升温糊化制成。
3、按权利要求2所述的制造铅笔杆的方法,其特征在于所用石蜡为石蜡熔液或液体石蜡。
CN 99118450 1999-08-30 1999-08-30 一种制造铅笔杆的方法 Expired - Fee Related CN1116991C (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102229308A (zh) * 2011-03-31 2011-11-02 德化县通宇纸浆工艺有限公司 一种仿树脂工艺品及其生产方法
CN105691034A (zh) * 2016-03-30 2016-06-22 李建勤 一种一体化环保笔及其制作方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102229308A (zh) * 2011-03-31 2011-11-02 德化县通宇纸浆工艺有限公司 一种仿树脂工艺品及其生产方法
CN105691034A (zh) * 2016-03-30 2016-06-22 李建勤 一种一体化环保笔及其制作方法

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