CN102172701B - A kind of spinning quick shaping process of Plastic Rolling Molds - Google Patents
A kind of spinning quick shaping process of Plastic Rolling Molds Download PDFInfo
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- CN102172701B CN102172701B CN201110030116.6A CN201110030116A CN102172701B CN 102172701 B CN102172701 B CN 102172701B CN 201110030116 A CN201110030116 A CN 201110030116A CN 102172701 B CN102172701 B CN 102172701B
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Abstract
The spinning quick shaping process that the invention provides a kind of Plastic Rolling Molds, belongs to rotational moulding technical field. It has solved Plastic Rolling Molds precision and the inadequate problem of fairing degree of the spinning quick shaping process production of existing Plastic Rolling Molds. 1), determine matrix number the step of the spinning quick shaping process of this Plastic Rolling Molds is as follows:; 2), matrix machine-shaping; 3), assembled. The spinning quick shaping process of this Plastic Rolling Molds has advantages of that the Plastic Rolling Molds precision of its production is high, fairing degree is high, cost is low, long service life and applied range.
Description
Technical field
The invention belongs to rotational moulding technical field, relate to a kind of spinning quick shaping process of Plastic Rolling Molds.
Background technology
The moulding of the rotational moulding moulds such as ball-type, goose ovum type, oblate spheroid type, dome-type, parabola, hyperboloid is more difficult, and current oneAs all adopt aluminum dipping form moulding on digital controlled processing central machine tool, but the process-cycle is long, processing charges costliness, and aluminum dipping form defectMany, surface light compliance is difficult for reaching the requirement of skill wood, conventionally need to carry out could using after teflon processing. In addition, due to aluminum dipping formFusing point low (660.4 DEG C of left and right), starts to soften 450 DEG C～500 DEG C left and right, causes moulding product deformation, so aluminum dipping form is usingIn scope, have limitation, especially superhuge rotational moulding mould cannot be used aluminum dipping form. Also useful steel mould on market, but be all conventionallyForm by beaing moulding by hammer after Heat artificially, be difficult to polishing grinding, its fairing degree is difficult to reach requirement.
Summary of the invention
The object of the invention is to have the problems referred to above for existing technology, proposed a kind ofly can improve Plastic Rolling Molds mouldingPrecision and the spinning quick shaping process of the Plastic Rolling Molds of fairing degree.
Object of the present invention can realize by following technical proposal: a kind of spinning quick shaping process of Plastic Rolling Molds,It is characterized in that, this moulding process step is as follows:
1), determine matrix number: the Plastic Rolling Molds of needs processing is designed to by several templates respectively through being processed into toolHave after the matrix of die cavity assembled;
2), matrix machine-shaping: by wherein packaged being placed on its workbench of spinning rapidform machine of above-mentioned templateIn mould molding frock, input in the matrix that this template will be processed into the each of its curved surface that forms die cavity to spinning rapidform machineSurface Parameters, starts the work of spinning rapidform machine, spinning rapidform machine on it be positioned at below template can rotation coneShape roller, can with moving platen rotate workbench, the main shaft that can move up and down along forming machine column and be arranged on main shaft and energyThe spherical roller horizontally rotating can do motion separately according to each Surface Parameters of its input, the synthetic formation of above-mentioned four kinds of motionsThe needed motion of mould cavity curved surface, thereby template under the common extruding of upper bottom roller, constantly rolled and stretching moulding,Become the needed curved surface of die cavity, now, the matrix that the processed moulding of template becomes to need, by matrix from spinning rapidform machineOn take off, then other templates that need to be processed into diaphragm of this Plastic Rolling Molds are installed on spinning rapidform machine successively,The machine-shaping step of each matrix is to repeat the machine-shaping step of above-mentioned first matrix;
3), assembled: each matrix good above-mentioned machine-shaping is bolted together and forms a secondary complete Plastic Rolling Molds.
In the spinning quick shaping process of above-mentioned a kind of Plastic Rolling Molds, described template is mould steel plate.
Compared with prior art, in the spinning quick shaping process of this Plastic Rolling Molds, its spinning process is progressive and continuous, and four kinds of motions in spinning rapidform machine are to carry out under program control, the precision of its shaping mold cavity curved surface and fairing degreeAll very high; Its matrix is one-time formed simultaneously, and the processing duration of a secondary Plastic Rolling Molds is shorter, generally only has 1～2 day, makesLong with the life-span, cost is low; Adopt steel plate to process matrix, its steel plate fusing point is high, and therefore range of application is wider.
Brief description of the drawings
Fig. 1 is process chart of the present invention.
Detailed description of the invention
Be below specific embodiments of the invention by reference to the accompanying drawings, technical scheme of the present invention be further described,But the present invention is not limited to these embodiment.
As shown in Figure 1, the detailed step of the spinning quick shaping process of this Plastic Rolling Molds is as follows:
1), determine matrix number: the Plastic Rolling Molds of needs processing is designed to by several templates respectively through being processed into toolHave after the matrix of die cavity assembledly, the Plastic Rolling Molds that will process in the present embodiment is for assembled by two matrixs;
2), the first matrix machine-shaping: by wherein packaged being placed on its workbench of spinning rapidform machine of templateIn mould molding frock, input in the matrix that this template will be processed into the each of its curved surface that forms die cavity to spinning rapidform machineSurface Parameters, starts the work of spinning rapidform machine, spinning rapidform machine on it be positioned at below template can rotation coneShape roller, can with moving platen rotate workbench, the main shaft that can move up and down along forming machine column and be arranged on main shaft and energyThe spherical roller horizontally rotating can do motion separately according to each Surface Parameters of its input, the synthetic formation of above-mentioned four kinds of motionsThe needed motion of mould cavity curved surface, thereby template under the common extruding of upper bottom roller, constantly rolled and stretching moulding,Become the needed curved surface of die cavity, now, the matrix that the processed moulding of template becomes to need, by matrix from spinning rapidform machineOn take off;
3), the second matrix machine-shaping: another template that need to be processed into diaphragm of this Plastic Rolling Molds is installed to and is revolvedPress on rapidform machine, the machine-shaping step of this matrix is the machine-shaping step of first matrix of repetition;
4), assembled: two good above-mentioned machine-shaping matrixs are bolted together and form a secondary complete Plastic Rolling Molds, twoIndividual matrix is a secondary Plastic Rolling Molds that is bolted the complete that is bolted together.
Template in the present embodiment is mould steel plate. In the present embodiment, the curved surface of die cavity is ball-shaped surface.
Wherein the operation principle of the spinning rapidform machine in step 2 is as follows: horizontally rotating on workbench of forming machineMould molding frock is installed, the tapered roller of some energy rotation is installed in the inner side of frock, tapered roller frame is fixed on workOn table top, can adjust position (strengthen or dwindle the radius of gyration) according to the radius of curvature of die curve. Mould steel plate is placed inIn mould molding frock and be positioned on these tapered rollers, can rotate with workbench. In addition, horizontal table top moulding ownerSpherical roller is installed on axle, and forming machine main spindle horizontally rotates with spherical roller on the one hand, on the other hand can be along forming machineColumn moves up and down, and can slowly move to horizontal table, until contact mould steel plate when work. Now, four kinds of motionsSynthetic just formed the needed motion of die curve. Mould steel plate is constantly rolled and is drawn under the common extruding of upper bottom rollerStretch, moulding gradually, finally becomes the needed curved surface of die cavity. Because this spinning process is progressive with continuous, Er QiechengThe motion of type machine is carried out under program control, so the precision of moulding curved surface and fairing degree are very high. Again because matrix is once to becomeType, so the spinning duration of a secondary rotational moulding mould generally only has 1～2 day time, the processing duration is shorter, is that Plastic Rolling Molds curved surface becomesThe preferred plan of type.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit. Technology neck under the present inventionThe technical staff in territory can make various amendments or supplements or adopt similar mode to replace described specific embodimentGeneration, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (2)
1. a spinning quick shaping process for Plastic Rolling Molds, is characterized in that, this moulding process step is as follows:
1), determine matrix number: the Plastic Rolling Molds of needs processing is designed to have mould through being processed into respectively by several templatesAssembled after the matrix in chamber;
2), matrix machine-shaping: by the wherein packaged mould being placed on its workbench of spinning rapidform machine of above-mentioned templateIn forming frock, input to spinning rapidform machine that in the matrix that this template will be processed into, it forms each curved surface of the curved surface of die cavityParameter, starts the work of spinning rapidform machine, spinning rapidform machine on it be positioned at below template can rotation taper rollTake turns, can and be arranged on main shaft and energy level with workbench, the main shaft that can move up and down along forming machine column of moving platen rotationThe spherical roller of rotation can do motion separately according to each Surface Parameters of its input, and above-mentioned four kinds of motions synthetic formed mouldThe needed motion of tool die cavity curved surface, thus template under the common extruding of upper bottom roller, constantly rolled and stretching moulding, becomeThe needed curved surface of die cavity, now, the matrix that the processed moulding of template becomes to need, gets matrix from spinning rapidform machineUnder, then other templates that need to be processed into matrix of this Plastic Rolling Molds are installed on spinning rapidform machine successively, eachThe machine-shaping step of matrix is to repeat the machine-shaping step of above-mentioned first matrix;
3), assembled: each matrix good above-mentioned machine-shaping is bolted together and forms a secondary complete Plastic Rolling Molds.
2. the spinning quick shaping process of a kind of Plastic Rolling Molds according to claim 1, is characterized in that, described templateFor mould steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110030116.6A CN102172701B (en) | 2011-01-27 | 2011-01-27 | A kind of spinning quick shaping process of Plastic Rolling Molds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110030116.6A CN102172701B (en) | 2011-01-27 | 2011-01-27 | A kind of spinning quick shaping process of Plastic Rolling Molds |
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| Publication Number | Publication Date |
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| CN102172701A CN102172701A (en) | 2011-09-07 |
| CN102172701B true CN102172701B (en) | 2016-05-04 |
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| CN201110030116.6A Active CN102172701B (en) | 2011-01-27 | 2011-01-27 | A kind of spinning quick shaping process of Plastic Rolling Molds |
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| CN109760247A (en) * | 2019-01-07 | 2019-05-17 | 温州华美环境工程有限公司 | A kind of processing method of gardens guardrail |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2816545A1 (en) * | 1978-04-17 | 1979-10-18 | Bernhard Rolf | Spin formed large spherical vessel - has forming roller mounted on swinging arm at centre of hemisphere during rotation in spinning lathe |
| US6298702B1 (en) * | 1999-11-12 | 2001-10-09 | Advanced Metalforming Technologies, Inc. | Method for making seamless wheel rims |
| DE10324366A1 (en) * | 2003-05-27 | 2004-12-16 | Feldbinder & Beckmann Fahrzeugbau Gmbh & Co Kg | Method and device for producing a molded part, and molded part, in particular a container base |
| CN101081418B (en) * | 2007-07-07 | 2010-05-19 | 大连顶金通用设备制造有限公司 | Large-sized end enclosure rotary extrusion flanger |
| CN101875075B (en) * | 2009-04-28 | 2012-08-29 | 陈万忠 | Cold and hot spinning machine and hot spinning method |
| CN101920440B (en) * | 2010-07-05 | 2012-02-01 | 无锡市澳富特成型技术科研有限公司 | Quick manufacturing process of rotational moulding machine die |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Fast spin forming process for rotomolding mould Effective date of registration: 20200708 Granted publication date: 20160504 Pledgee: Zhejiang Wenling United Village Bank Co., Ltd Pledgor: WENLING RISINGSUN ROTOMOLDING TECHNOLOGY Co.,Ltd. Registration number: Y2020330000458 |
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