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A kind of wood and pencil technology, applied in the direction of pen holder, non-active pencil, printing, etc., can solve the problems of poor product quality, difficult sheet forming, etc., achieve simple production process, contribute to ecological cycle, and reduce production costs.
Inactive Publication Date: 2013-01-09
王茜
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Summary
Abstract
Description
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Problems solved by technology
[0005] The invention provides a wooden pencil holder and a manufacturing method thereof, which solves the disadvantages of the prior art, such as difficulty in forming boards made of m
Method used
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Examples
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Effect test
Embodiment 1
[0019] 1. Get 50g of hard miscellaneous wood raw materials, sawdust 15g, shavings 10g, wood dust 5g, poly-beta hydroxybutyrate 10g, cornstarch 5g, dioctyl ester 7g, plasticizer 3g (described plasticizer is glycerin and ethyl alcohol) The mixture of diols, the weight ratio is glycerol: ethylene glycol is 1: 2);
[0020] 2. Mix 50g of hard miscellaneous wood raw materials, 15g of sawdust, 10g of shavings, 5g of wood dust, 10g of poly-β-hydroxybutyrate, 5g of corn starch, 7g of dioctyl ester, 1g of glycerin, and 2g of ethylene glycol;
[0021] 3. Add the mixture obtained in step 1 into the penholder machine and heat it at 140°C;
[0022] 4. Add the lead core of the pencil to the penholder machine to make the lead core and the mixture obtained in step 1 pass through the core to form;
[0023] 5. After the product obtained in step 3 is cooled, it is cut and packaged.
Embodiment 2
[0025] 1. Get 80g of hard miscellaneous wood raw materials, sawdust 4g, shavings 5g, wood dust 2g, polylactic acid 4g, sweet potato starch 3g, dibutyl ester 1g, plasticizer 3g (the described plasticizer is the mixture of glycerin and ethylene glycol) , the weight ratio is glycerol: ethylene glycol is 1: 2);
[0026] 2. Mix 80g of hard miscellaneous wood raw materials, 4g of sawdust, 5g of shavings, 2g of wood dust, 4g of polylactic acid, 3g of sweet potato starch, 1g of dibutyl ester, 1g of glycerin, and 2g of ethylene glycol;
[0027] 3. Add the mixture obtained in step 1 into the penholder machine and heat it at 170°C;
[0028] 4. Add the lead core of the pencil to the penholder machine to make the lead core and the mixture obtained in step 1 pass through the core to form;
[0029] 5. After the product obtained in step 3 is cooled, it is cut and packaged.
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Abstract
The invention discloses a wood pen holder and a manufacturing method thereof, which relates to a manufacturing method of a writing tool, belonging to the technical field of miscellaneous wood molding and processing. The wood pen holder is characterized by comprising the following components in percentage by weight: 50-80 percent of hard miscellaneous wood raw material, 4-15 percent of various sawdust, 5-10 percent of various shavings, 2-5 percent of various wood dust, 4-10 percent of polyhydroxyalkanoate, 3-5 percent of starch, 1-7 percent of cross-linking agent and 1-3 percent of plasticizer. The invention has the advantages that a large quantity of waste forest harvesting trees and miscellaneous wood are used as main production raw materials, so that the limits of raw material tree varieties are avoided, the tree variety raw materials can be flexibly collocated so as to meet the requirement on low cost production; the production cost not only can be reduced, but also the mechanical strength of produced wood plates can be guaranteed to conform to the wood panel standard of the Sweden; and meanwhile, after the forest harvesting trees and miscellaneous wood are utilized, a greater economic benefit not only can be directly generated by manufacturing enterprises, but also forest fires and pest and disease damages can be reduced, which is helpful to the ecological cycle.
Description
technical field [0001] The invention relates to a method for making a writing instrument, which belongs to the technical field of miscellaneous wood molding and processing, in particular to a wooden pencil holder and a method for making the same. Background technique [0002] Pencils consist of strips of lead embedded in a wooden barrel. The barrel of a pencil is generally made of wood. When making the barrel, a lot of cutting processes are required to make the log into a round, regular hexagonal or regular octagonal penholder. The process is quite cumbersome, the production cost is high, and a lot of waste The consumption of a large amount of forest resources is very detrimental to the increasingly fragile ecological environment. [0003] In recent years, pencil manufacturers have developed pencils using paper pen holders in order to reduce the amount of wood used, but the original material of many papers is still wood, so this paper pen holder is equivalent to indirectly ...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information
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