CN102862153A - External plastic packaging tool handle and manufacturing process thereof - Google Patents
External plastic packaging tool handle and manufacturing process thereof Download PDFInfo
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- CN102862153A CN102862153A CN2012103576199A CN201210357619A CN102862153A CN 102862153 A CN102862153 A CN 102862153A CN 2012103576199 A CN2012103576199 A CN 2012103576199A CN 201210357619 A CN201210357619 A CN 201210357619A CN 102862153 A CN102862153 A CN 102862153A
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- handle
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- handle body
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- plastic covering
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Abstract
The invention provides an external plastic covering tool handle, comprising a wood handle body, wherein an outer plastic covering layer which is integrally cast and molded with the handle body is covered outside the handle body. A manufacturing process comprises the steps of wrapping the handle body and the outer plastic covering layer into an integral structure; placing a selected mould into an injection molding machine and placing one end of the handle body into a mould cavity to be clamped; applying pressure to a sticky-flow-state raw material and injecting into the mould cavity; and cooling and opening the mould to take out a product. The external plastic covering tool handle is simple in structure; an external plastic covering layer is cast at the connecting end of the tool handle and tool connecting pants, and the shape of the external plastic covering layer layer is changed to meet the pant diameter structure of the tool connecting pants with different specifications, so that the use is convenient; and only a traditional handle needs to be simply machined, so that woods are saved, and the manufacturing cost is reduced, and the service life of the handle is prolonged; and the process for manufacturing the external plastic covering tool handle is simple and has wide applicable range so as to be suitable for large-batch industrial production.
Description
Technical field
The present invention relates to a kind of handle for tool, specifically a kind of linkage section that is connected trousers with instrument at handle body arranges the handle for tool of outer covered plastics layer, and the manufacture craft of this handle.
Background technology
The completed knocked down products handle that uses in market at present, production technology great majority are single to do raw material with timber, pass through the processing of plant equipment, diameter reach after the requirement again with assembling product together, form a kind of hand-held tool handle.Because the handle for tool weight of metal material is larger, is inconvenient to use, general handle for tool all adopts timber as raw material, because fragile after the long-term use of handle, replacement frequency is higher, can cause so a large amount of trees to be cut down again.And some instrument, because required dynamics is larger when using, need instrument to connect trousers larger with the intensity of handle for tool junction, therefore the trousers footpath that instrument connects trousers is greatly or with tapering, such as pick mattock, their trousers directly have tapering, one end external diameter need to be greater than the external diameter of traditional handle, and the wood raw material in the time of so just need to making handle again is thicker, after processing, end at handle is processed into compound trousers taper directly etc., and the other end still is traditional handle thickness.Like this, only for satisfying a large amount of thicker trees of needs felling in end toper trousers footpath, be not only the absolute waste to tree resources, and increased the cost price of wooden handle raw material, bring many puzzlements to manufacturer.
Summary of the invention
The present invention be directed to the existing defective of prior art, one provides a kind of simple in structure, easy outer plastic handle for tool of making, and two have provided the manufacture craft of this outer plastic handle for tool.
The present invention is by the following technical solutions: a kind of outer plastic handle for tool, comprise wooden handle body, and the outer wrap of described handle body has the outsourcing plastic layer with its one moulding by casting.
As preferred version: the outsourcing plastic layer is arranged on handle body is connected trousers with instrument link.A kind of in cylindrical, conical, the oblate cylindricality of being shaped as of outsourcing plastic layer or the oblate taper.
The manufacture craft of outer plastic handle for tool: handle body and outer covered plastics layer parcel are structure as a whole, be somebody's turn to do outer covered plastics layer take polypropylene as raw material, the mould that to select is first put into injection machine, again handle body one end of basic forming is put into die cavity, with jig wooden handle is tightened; Raw material is through behind the heating and melting, and the raw material of viscous state is exerted pressure to be expelled in the die cavity, opens the mould pickup after cooling, makes pp material be shaped at last the mold shape that sets with mould; In this injection moulding process, the material temperature of viscous state is the 180-250 degree, and injection moulding speed is 65-70mm/s, and the average pressure in the die cavity is 20-45MPa.
In the injection moulding process, the temperature adjusting of viscous state raw material determines according to the thin and thick of requirement outsourcing plastic layer: require outsourcing plastics bed thickness, temperature is the 180-200 degree; Require the outsourcing plastic layer thin, temperature is the 200-250 degree.
Be used for a kind of of cylindrical, conical, the oblate cylindricality that is shaped as setting of mould of injection moulding or oblate taper.
The deflection of outer covered plastics layer under 50-60kg pressure according to above-mentioned technique injection mo(u)lding is 3-5mm.
Compare with conventional art, this outer plastic handle for tool disclosed in this invention is simple in structure, the link cast outsourcing plastic layer that is connected trousers at handle for tool with instrument, variation by external plastic bed of material shape makes its instrument that satisfies different size connect the trousers gauge structure of trousers, easy to use, only need the conventional tool handle is simply processed, in to save timber, reduced cost of manufacture, improved the service life of handle; And the technique of making this outer plastic handle for tool is simple, and is widely applicable, is fit to large batch of batch production production.
Description of drawings
Fig. 1 is the structural representation of outer plastic handle for tool of the present invention.
Fig. 2 is the upward view of Fig. 1.
Among the figure: handle body 1, outsourcing plastic layer 2.
The specific embodiment
The present invention will be further described below in conjunction with accompanying drawing.
Referring to accompanying drawing 1-2, this outer plastic handle for tool disclosed in this invention comprises wooden handle body 1, and this handle body 1 is the cylindrical handle that processes through plant equipment.The outer wrap of handle body 1 has the outsourcing plastic layer 2 with its one moulding by casting.
As preferred version: outsourcing plastic layer 2 is arranged on handle body 1 is connected trousers with instrument link.A kind of in cylindrical, conical, the oblate cylindricality of being shaped as of this outsourcing plastic layer 2 or the oblate taper.During according to actual production handle for tool for instrument connect the shape of trousers, determine the shape of outsourcing plastic layer 2, the two mates mutually, assurance can be installed in the connection trousers of product with the handle end of outsourcing plastic layer, the outside dimension of the outsourcing plastic layer of design just in time cannot not match looseningly the safe handling of the product after guaranteeing to assemble with product trousers footpath.
Handle body and outer covered plastics layer parcel is structure as a whole, and this outer covered plastics layer is take polypropylene as raw material, a kind of thermoplastic resin that polypropylene disclosed herein is namely made by propylene polymerization.The employing polypropylene is injection raw material, its stable performance, and anticorrosion ability is good.Under the condition that is not subjected to external force, resile again after being bent 150 ° also indeformable, can guarantee the Long-Term Properties of handle.Because of conventional wooden handle through after the long-term slacking, water loss is installed in the product trousers footpath and will becomes flexible, and affects result of use; Long use is arranged again, also have the generation of moth, affect the working strength of handle, thereby increased user's cost; And with moulding the bag wooden handle, can not reduce working strength and cost because producing moth, greatly improved the service life of handle.
The manufacture craft of this outer plastic handle for tool is: the mould that will select is first put into injection machine, again handle body one end of basic forming is put into die cavity, with jig wooden handle is tightened, be used for a kind of of cylindrical, conical, the oblate cylindricality that is shaped as setting of mould of injection moulding or oblate taper, be shaped as oblate taper in the present embodiment, as shown in Figure 1; Raw material is through behind the heating and melting, and the raw material of viscous state is exerted pressure to be expelled in the die cavity, opens the mould pickup after cooling, makes pp material be shaped at last the mold shape that sets with mould, then takes out behind the plastic again mold closing, carries out next one and circulates.
The jig that is used for the chucking handle body when aperture that occurs on the outsourcing plastic layer is injection moulding stays, and does not affect the physical property of outsourcing plastic layer.
As optimal technical scheme: in this injection moulding process, the material temperature of viscous state is the 180-250 degree, injection moulding speed is 65-70mm/s, speed when raw material is injected by injection machine is determining outward appearance, size, shrinkage, flow condition distribution of product etc., speed is general slow rear fast and then slow first, average pressure in the die cavity is 20-45MPa, and the pressure of injection moulding also is to adjust according to the speed of speed.
In the injection moulding process, the temperature adjusting of the viscous state raw material that plasticizing is finished determines according to the thin and thick of requirement outsourcing plastic layer: require outsourcing plastics bed thickness, temperature is the 180-200 degree; Require the outsourcing plastic layer thin, temperature is the 200-250 degree.
The intensity of the outsourcing plastic layer that injection moulding is finished also is that the intensity of material itself is determined, because the tensile strength of polypropylene material own is good, the most outstanding performance is exactly counter-bending fatigability, when detecting shank intensity with inspection machine, an end of having of handle being moulded bag fixes, and the other end adds and hangs counterweight, and lift heavy is at 50-60kg, be pressure be the deflection of 50-60kg outsourcing plastic layer at 3-5mm, this numerical value can reach the working strength requirement of handle.
Claims (7)
1. an outer plastic handle for tool comprises wooden handle body, it is characterized in that, the outer wrap of described handle body has the outsourcing plastic layer with its one moulding by casting.
2. outer plastic handle for tool according to claim 1 is characterized in that, described outsourcing plastic layer is arranged on handle body is connected trousers with instrument link.
3. outer plastic handle for tool according to claim 1 is characterized in that, a kind of in cylindrical, conical, the oblate cylindricality of being shaped as of described outsourcing plastic layer or the oblate taper.
4. manufacture craft such as each described outer plastic handle for tool among the claim 1-3, it is characterized in that, handle body and outer covered plastics layer parcel are structure as a whole, be somebody's turn to do outer covered plastics layer take polypropylene as raw material, the mould that to select is first put into injection machine, again handle body one end of basic forming is put into die cavity, with jig wooden handle is tightened; Raw material is through behind the heating and melting, and the raw material of viscous state is exerted pressure to be expelled in the die cavity, opens the mould pickup after cooling, makes pp material be shaped at last the mold shape that sets with mould; In this injection moulding process, the material temperature of viscous state is the 180-250 degree, and injection moulding speed is 65-70mm/s, and the average pressure in the die cavity is 20-45MPa.
5. the manufacture craft of outer plastic handle for tool according to claim 4 is characterized in that, in the injection moulding process, the temperature adjusting of viscous state raw material determines according to the thin and thick of requirement outsourcing plastic layer: require outsourcing plastics bed thickness, temperature is the 180-200 degree; Require the outsourcing plastic layer thin, temperature is the 200-250 degree.
6. the manufacture craft of outer plastic handle for tool according to claim 4 is characterized in that, is used for a kind of of cylindrical, conical, the oblate cylindricality that is shaped as setting of mould of injection moulding or oblate taper.
7. the manufacture craft of outer plastic handle for tool according to claim 4 is characterized in that, is 3-5mm according to the deflection of outer covered plastics layer under 50-60kg pressure of above-mentioned technique injection mo(u)lding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103576199A CN102862153A (en) | 2012-09-24 | 2012-09-24 | External plastic packaging tool handle and manufacturing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103576199A CN102862153A (en) | 2012-09-24 | 2012-09-24 | External plastic packaging tool handle and manufacturing process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102862153A true CN102862153A (en) | 2013-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103576199A Pending CN102862153A (en) | 2012-09-24 | 2012-09-24 | External plastic packaging tool handle and manufacturing process thereof |
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| Country | Link |
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| CN (1) | CN102862153A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107921681A (en) * | 2015-08-27 | 2018-04-17 | 伊利诺斯工具制品有限公司 | Through injection molding component, connector, Coinjection molding apparatus and for manufacture the method through injection molding component |
| CN109955287A (en) * | 2017-12-25 | 2019-07-02 | 陈守宏 | Tool combinations device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3779296A (en) * | 1972-01-24 | 1973-12-18 | N Echeverria | Handle for manual percussion tools |
| US4344901A (en) * | 1979-08-17 | 1982-08-17 | Ixl Manufacturing Co., Inc. | Method of making tool handle |
| CN2385850Y (en) * | 1999-08-17 | 2000-07-05 | 王玉生 | Integral axe and handle |
| CN1820905A (en) * | 2006-03-17 | 2006-08-23 | 郭士明 | Connection core stick of composite material hollow tool handle |
| CN201164989Y (en) * | 2008-01-19 | 2008-12-17 | 临沂建荣机械有限公司 | Pickaxe handle |
| US7753421B2 (en) * | 2004-02-27 | 2010-07-13 | Ames True Temper, Inc. | Long-handled tool with plastic molded-over handle |
| CN202763807U (en) * | 2012-09-24 | 2013-03-06 | 唐山市燕南制锹有限公司 | Tool handle with outside coated with plastic |
-
2012
- 2012-09-24 CN CN2012103576199A patent/CN102862153A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3779296A (en) * | 1972-01-24 | 1973-12-18 | N Echeverria | Handle for manual percussion tools |
| US4344901A (en) * | 1979-08-17 | 1982-08-17 | Ixl Manufacturing Co., Inc. | Method of making tool handle |
| CN2385850Y (en) * | 1999-08-17 | 2000-07-05 | 王玉生 | Integral axe and handle |
| US7753421B2 (en) * | 2004-02-27 | 2010-07-13 | Ames True Temper, Inc. | Long-handled tool with plastic molded-over handle |
| CN1820905A (en) * | 2006-03-17 | 2006-08-23 | 郭士明 | Connection core stick of composite material hollow tool handle |
| CN201164989Y (en) * | 2008-01-19 | 2008-12-17 | 临沂建荣机械有限公司 | Pickaxe handle |
| CN202763807U (en) * | 2012-09-24 | 2013-03-06 | 唐山市燕南制锹有限公司 | Tool handle with outside coated with plastic |
Non-Patent Citations (1)
| Title |
|---|
| 叶蕊: "《塑料注射成型技术》", 30 April 1989, article "注射成型机的工作过程", pages: 60-69,186-188 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107921681A (en) * | 2015-08-27 | 2018-04-17 | 伊利诺斯工具制品有限公司 | Through injection molding component, connector, Coinjection molding apparatus and for manufacture the method through injection molding component |
| US11559930B2 (en) | 2015-08-27 | 2023-01-24 | Illinois Tool Works Inc. | Injection-moulded component, joint, injection-moulding device, and method for producing an injection-moulded component |
| CN109955287A (en) * | 2017-12-25 | 2019-07-02 | 陈守宏 | Tool combinations device |
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Application publication date: 20130109 |