CN104258534A - Manufacturing method of plastic-steel kettle dumbbell - Google Patents
Manufacturing method of plastic-steel kettle dumbbell Download PDFInfo
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- CN104258534A CN104258534A CN201410261377.2A CN201410261377A CN104258534A CN 104258534 A CN104258534 A CN 104258534A CN 201410261377 A CN201410261377 A CN 201410261377A CN 104258534 A CN104258534 A CN 104258534A
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Abstract
The invention discloses a manufacturing method of a plastic-steel kettle dumbbell. The innovation points of the manufacturing method are that the manufacturing method comprises a plastic-steel dumbbell body manufacturing step and a plastic-steel dumbbell body housing manufacturing step, wherein a plastic-steel dumbbell body is made of polyethylene and polypropylene that are taken as the main filler and a plastic-steel dumbbell body housing is made of a high-molecular polymer and an elastomer that are taken as main materials. Or, the method comprises a plastic-steel dumbbell body manufacturing step and a dumbbell body housing handle manufacturing step, wherein a plastic-steel dumbbell body is made of polyethylene and polypropylene that are taken as the main filler, a dumbbell body housing handle is formed through mould forming and electroplating of a seamless steel tube, and the root of the dumbbell body housing handle is wrapped in the plastic-steel dumbbell body to enable the dumbbell body housing handle to be connected with the plastic-steel dumbbell body integrally. Due to the adoption of the manufacturing method of the plastic-steel kettle dumbbell, a plastic-steel kettle dumbbell, which has the function the same as that of a casting iron kettle dumbbell, can be obtained, and the plastic-steel kettle dumbbell is low in manufacturing cost, has a simple structure, has the surfaces made of different plastics and in different colors, and is wide in variety, thereby meeting the requirements of all people. The plastic-steel kettle dumbbell, manufactured by the manufacturing method, is low in energy consumption, is pollution-free, and is an environment-friendly product. Elastomer is adopted for the manufacture of the housing of the plastic-steel kettle dumbbell, and the antislip function of the handle and the bottom are added, and the grade of the plastic-steel kettle dumbbell is improved through electroplating of the steel tube handle and the hammer paint spraying on the dumbbell body.
Description
Technical field
The present invention relates to a kind of manufacture method of plastic-steel kettle dumbbell, belong to physical fitness equipment technical field.
Background technology
Dumbbell is a kind of simple equipment for strengthening muscle strength training, because of silent during training, is named dumbbell.Blowing is filled with hoarse bell and can be made up of plastic housing, mud of pouring water, yellow sand, ore deposit sand, and this dumbbell structure is simple, easy to make.But in use, owing to being subject to impulsive force, there will be the phenomenon of filler loose or dislocation, there is certain potential safety hazard.
Plastic-steel kettle dumbbell is a kind of Excercise training apparatus, and just utilize plastic-steel kettle dumbbell training machine material to the training promoting muscle strength and draw the abdomen, plastic-steel kettle dumbbell is by individualized training.
The kettle dumbbell circulated on the market now mostly adopts cast iron manufacture and blowing to fill with husky and manufactures, and complex manufacturing, casting pollution is high, the wasting of resources, and cost is high, and efficiency is low.Sand is filled with in blowing, and solid volume is large, can not be satisfied with the demand of market different crowd, and the unsuitable family of cast iron uses, and general cast iron kettle dumbbell surface does not have protective layer, directly and earth surface time can cause the damage on ground or floor.
Summary of the invention
The object of the invention is to for deficiency of the prior art, provide a kind of manufacture method of plastic-steel kettle dumbbell, production technology is simple, and casting pressure is polluted low.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of plastic-steel kettle dumbbell manufacture method, and its innovative point is: described manufacture method comprises plastic-steel kettle dumbbell body and plastic-steel kettle dumbbell manufacture of casing;
The manufacture method of described plastic-steel kettle dumbbell body is that polyethylene or polypropylene are pressed material as main casting, after adding other casting pressure materials, be that all castings pressure heating materials is extruded by the extruder of 120 ~ 250mm to 200-250 degree with diameter after stirring, control molten material extrusion temperature 200-250 degree, extruded velocity is 150-200kg/h, extrusion pressure is 1.5-1.8MPa, extruded material density 3.00g/cm
-3, extrude the cold mould hydraulic press hydraulic pressure dumbbell body of rear employing heat material and be shaped, hydraulic press is designed to side and cranks arm structure matched moulds, top 200-300 ton hydraulic pressure casting pressure;
The manufacture method of described plastic-steel kettle dumbbell shell is polymeric is injected injection machine again the kettle dumbbell body placement involucrum mould after die casting moulding to be carried out first time injection moulding, control injection time is every mould 2 minutes injection temperatures is 160-180 degree, injection pressure is 3-5MPa, inject time is 15-25g/s, injection-moulding position be in the middle part of product hand both sides, after first time injection moulding completes, elastomer is injected injection machine and again the kettle dumbbell body placement involucrum mould after die casting moulding is carried out second time injection moulding, controlling injection time is every mould 3 minutes, injection temperature is 180-200 degree, injection pressure is 4-6MPa, inject time is 20-25 second, injection-moulding position is that hand is adding Lower Half, after quadric injection mould completes, plastic-steel dumbbell body can complete.
Further, the manufacture method of plastic-steel kettle dumbbell hand handle is also comprised; The manufacture method of described hand handle forms hand handle for being adopted by seamless steel pipe pipe bender die to be shaped, and hand adopts electroplating processes surface, completes rear-handle root 15-20mm place and is wrapped one-body molded by dumbbell body.
Further, described dumbbell body and hand adopt the plastic-steel baking method that sprays paint to carry out vertical line and spray paint the plastic-steel kettle dumbbell surface after one-body molded; The described plastic-steel baking method that sprays paint is: manually paint spray gun and aim at the spraying of plastic-steel kettle dumbbell body, evenly entering baking oven has again toasted production in spraying.
Further, other described casting pressure materials comprise ore deposit is husky, diameter is 0-0.5mm shot and the plastic-steel adhesive that diameter is 0-0.5mm.
Further, the ratio of an addition of described all casting pressure material sand, shot, polyethylene/polypropylene and plastic-steel adhesive is ore deposit sand 60%, shot 20%, polyethylene/polypropylene 15%, plastic-steel adhesive 5%.
Further, described cold mould hydraulic press is the hydraulic press of 200-300 ton.
Further, described polymeric is polyethylene or polypropylene.
Further, described elastomer be with TPE be matrix elastomer or take TPR as the elastomer of matrix.
Beneficial effect of the present invention: plastic-steel kettle dumbbell manufacture method of the present invention, the plastic-steel kettle dumbbell with the same function of cast iron kettle dumbbell can be obtained, but low cost of manufacture, and structure is simple and surface adopts different plastics different colours, of a great variety, meet the demand of all kinds of crowd; The product low energy consumption that this method is produced, pollution-free, environment-friendly products, this product casing adopts elastomer to be material, add hand and the antiskid function of bottom, steel pipe plating hand handle and the dumbbell body line that hangs down sprays paint for product promotes a class, meets the demand of high-grade crowd.
Accompanying drawing explanation
Fig. 1 is structural representation in plastic-steel kettle dumbbell of the present invention injection moulding.
Fig. 2 is structural representation after plastic-steel kettle dumbbell of the present invention injection moulding.
Fig. 3 is structural representation after plastic-steel kettle dumbbell injection moulding integrated molding of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, technical scheme of the present invention is elaborated.
Embodiment 1
A kind of plastic-steel kettle dumbbell manufacture method, comprises plastic-steel kettle dumbbell body and plastic-steel kettle dumbbell manufacture of casing;
The manufacture method of plastic-steel kettle dumbbell body is that polyethylene or polypropylene are pressed material as main casting, after adding the shot that ore deposit is husky, diameter is 0-0.5mm and plastic-steel adhesive that diameter is 0-0.5mm, be that all castings pressure heating materials is extruded melt by the extruder of 120-250mm to 200-250 degree with diameter after stirring, control molten material extrusion temperature 200-250 degree, extruded velocity 150-200kg/h, extrusion pressure 1.5MPa extruded material density 3.00g/cm
-3, extrude the cold mould hydraulic press hydraulic pressure dumbbell body of rear employing heat material and be shaped, hydraulic press is designed to side and cranks arm structure matched moulds, top 200-300 ton hydraulic pressure casting pressure;
The manufacture method of plastic-steel kettle dumbbell shell is 100%PP polymeric is injected injection machine again the kettle dumbbell body placement involucrum mould after die casting moulding to be carried out first time injection moulding, control injection time is every mould 2 minutes injection temperatures is 160-180 degree, injection pressure 3-5MPa, injection speed 15-25 second, injection-moulding position be in the middle part of product hand both sides, after first time injection moulding completes, the elastomer of 100%TPE is injected injection machine and again the kettle dumbbell body placement involucrum mould after die casting moulding is carried out second time injection moulding, controlling injection time is every mould 3 minutes, injection temperature is 180-200 degree, injection pressure 4-6MPa, injection speed 20-25 second, injection-moulding position is that hand is adding Lower Half, after quadric injection mould completes, plastic-steel kettle dumbbell body can complete.As shown in Figure 1.
Based on the plastic-steel kettle dumbbell of the present embodiment, stick kilogram number and the trade mark of gold stamping process further, complete the making of product, as shown in Figure 2.
Embodiment 2
A kind of plastic-steel kettle dumbbell manufacture method, comprises plastic-steel kettle dumbbell body and plastic-steel kettle dumbbell manufacture of casing;
The manufacture method of plastic-steel kettle dumbbell body is that polyethylene or polypropylene are pressed material as main casting, after adding the shot that ore deposit is husky, diameter is 0-0.5mm and plastic-steel adhesive that diameter is 0-0.5mm, be that all castings pressure heating materials is extruded melt by the extruder of 120-250mm to 200-250 degree with diameter after stirring, control molten material extrusion temperature 200-250 degree, extruded velocity 150-200kg/h, extrusion pressure 1.5MPa extruded material density 3.00g/cm
-3, extrude the cold mould hydraulic press hydraulic pressure dumbbell body of rear employing heat material and be shaped, hydraulic press is designed to side and cranks arm structure matched moulds, top 200-300 ton hydraulic pressure casting pressure;
The manufacture method of plastic-steel kettle dumbbell shell is 100% PE polymeric is injected injection machine again the kettle dumbbell body placement involucrum mould after die casting moulding to be carried out first time injection moulding, control injection time is every mould 2 minutes injection temperatures is 160-180 degree, injection pressure 3-5MPa, injection speed 15-25 second, injection-moulding position be in the middle part of product hand both sides, after first time injection moulding completes, the elastomer of 100% TPR is injected injection machine and again the kettle dumbbell body placement involucrum mould after die casting moulding is carried out second time injection moulding, controlling injection time is every mould 3 minutes, injection temperature is 180-200 degree, injection pressure 4-6MPa, injection speed 20-25 second, injection-moulding position is that hand is adding Lower Half, after quadric injection mould completes, plastic-steel kettle dumbbell body can complete.As shown in Figure 1.
Based on the plastic-steel kettle dumbbell of the present embodiment, stick kilogram number and the trade mark of gold stamping process further, complete the making of product, as shown in Figure 2.
Embodiment 3
A kind of plastic-steel kettle dumbbell manufacture method, comprises the manufacture method of plastic-steel kettle dumbbell body and plastic-steel kettle dumbbell handle;
The manufacture method of plastic-steel kettle dumbbell body is that polyethylene or polypropylene are pressed material as main casting, after adding other fillers, be that all castings pressure heating materials is extruded by the extruder of 120-250mm to 200-250 degree with diameter after stirring, control molten material extrusion temperature 200-250 degree, extruded velocity 150-200kg/h, extrusion pressure 1.5MPa extruded material density 3.00g/cm
-3, extrude the cold mould hydraulic press hydraulic pressure dumbbell body of rear employing heat material and be shaped.The manufacture method of hand handle forms hand handle for seamless steel pipe being adopted die forming, be specially and adopt φ 25 × 2.5mm cold roll seamless pipe, according to the mould of the sizes such as different specifications adopts high-strength die materials processing one-tenth not, utilize special bending machine to complete the shaping making of hand handle.Hand after shaping is the factory process selecting to have plating qualification, shaping hand is cleared up cleaning, polishing, plating by electroplating facility again, again polishing complete hand the electroplating processes on surface, the hand after completing is wrapped root 15-20mm place one-body molded by dumbbell body.As shown in Figure 3.
Finally, dumbbell body and hand adopt the plastic-steel baking method that sprays paint to carry out vertical line and spray paint the plastic-steel kettle dumbbell surface after one-body molded; The plastic-steel baking method that sprays paint is specially and manually will paints spray gun and aim at the spraying of plastic-steel kettle dumbbell body, and evenly entering baking oven has again toasted production in spraying, and the time arranging baking oven is 30 minutes, and the temperature of baking oven is 60-80 degree.
Claims (8)
1. plastic-steel kettle dumbbell manufacture method, is characterized in that: described manufacture method comprises plastic-steel kettle dumbbell body and plastic-steel kettle dumbbell manufacture of casing;
The manufacture method of described plastic-steel kettle dumbbell body is that polyethylene or polypropylene are pressed material as main casting, after adding other casting pressure materials, be that all castings pressure heating materials is extruded by the extruder of 120-250mm to 200-250 degree with diameter after stirring, control that molten material extrusion temperature is 200-250 degree, extruded velocity is 150-200kg/h, extrusion pressure is 1.5-1.8MPa, extruded material density is 3.00g/cm
-3, extrude the crank arm heat of structure matched moulds of rear employing side and expect that cold mould hydraulic press hydraulic pressure dumbbell body is shaped, top 200-300 ton hydraulic pressure casting pressure;
The manufacture method of described plastic-steel dumbbell shell carries out first time injection moulding for polymeric is injected injection machine, controlling injection time is every mould 2 minutes, injection temperature is 160-180 degree, injection pressure is 3-5MPa, inject time is 15-25 second, injection-moulding position be in the middle part of product hand both sides, after first time injection moulding completes, elastomer is injected injection machine and carry out second time injection moulding, controlling injection time is every mould 3 minutes, injection temperature is 180-200 degree, injection pressure is 4-6MPa, inject time is 20-25 second, injection-moulding position is hand handle and Lower Half, after quadric injection mould completes, plastic-steel dumbbell body can complete.
2. plastic-steel kettle dumbbell manufacture method according to claim 1, is characterized in that: the manufacture method also comprising plastic-steel kettle dumbbell hand handle; The manufacture method of described hand handle forms hand handle for being adopted by cold rolling seamless steel mould and bending machine to be shaped, be specially and adopt φ 25 × 2.5mm cold roll seamless pipe, adopt high strength hand that mold materials is processed into the mould of the size such as not according to specification size, utilize special bending machine to complete the shaping making of hand handle; Hand adopts electroplating processes surface, completes rear-handle root 15-20mm place and is wrapped one-body molded by dumbbell body.
3. plastic-steel kettle dumbbell manufacture method according to claim 2, is characterized in that: described dumbbell body and hand adopt the plastic-steel baking method that sprays paint to carry out vertical line and spray paint the plastic-steel dumbbell surface after one-body molded; The described plastic-steel baking method that sprays paint manually is painted spray gun aim at the spraying of plastic-steel dumbbell body for being used, and evenly entering baking oven has again toasted production in spraying, and arranging the baking oven time is 30 minutes, and oven temperature is 60-80 degree.
4. plastic-steel kettle dumbbell manufacture method according to claim 1, is characterized in that: other described casting pressure materials comprise ore deposit is husky, diameter is 0-0.5mm shot and the plastic-steel adhesive that diameter is 0-0.5mm.
5. the plastic-steel kettle dumbbell manufacture method according to claim 1 or 4, is characterized in that: the ratio of an addition of described all casting pressure material sand, shot, polyethylene/polypropylene and plastic-steel adhesive is ore deposit sand 60%, shot 20%, polyethylene/polypropylene 15%, plastic-steel adhesive 5%.
6. plastic-steel kettle dumbbell manufacture method according to claim 1, is characterized in that: described cold mould hydraulic press is the hydraulic press of 200-300 ton.
7. plastic-steel kettle dumbbell manufacture method according to claim 1, is characterized in that: described polymeric is polyethylene or polypropylene.
8. plastic-steel kettle dumbbell manufacture method according to claim 1, is characterized in that: described elastomer be with TPE be matrix elastomer or take TPR as the elastomer of matrix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410261377.2A CN104258534B (en) | 2014-06-13 | 2014-06-13 | Manufacturing method of plastic-steel kettle dumbbell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410261377.2A CN104258534B (en) | 2014-06-13 | 2014-06-13 | Manufacturing method of plastic-steel kettle dumbbell |
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| Publication Number | Publication Date |
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| CN104258534A true CN104258534A (en) | 2015-01-07 |
| CN104258534B CN104258534B (en) | 2017-01-25 |
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| CN201410261377.2A Expired - Fee Related CN104258534B (en) | 2014-06-13 | 2014-06-13 | Manufacturing method of plastic-steel kettle dumbbell |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4854575A (en) * | 1988-01-14 | 1989-08-08 | Wilson Water Weights, Inc. | Fluid fillable, collapsible dumbbells |
| CN101619154A (en) * | 2008-06-30 | 2010-01-06 | 王洪业 | Composition used for preparing dumbbell and dumbbell preparation method using same |
| CN102746579A (en) * | 2012-07-25 | 2012-10-24 | 南通骐骏机械有限公司 | Dumbbell and barbell products manufactured from composite material and manufacturing method of dumbbell and barbell products |
-
2014
- 2014-06-13 CN CN201410261377.2A patent/CN104258534B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4854575A (en) * | 1988-01-14 | 1989-08-08 | Wilson Water Weights, Inc. | Fluid fillable, collapsible dumbbells |
| CN101619154A (en) * | 2008-06-30 | 2010-01-06 | 王洪业 | Composition used for preparing dumbbell and dumbbell preparation method using same |
| CN102746579A (en) * | 2012-07-25 | 2012-10-24 | 南通骐骏机械有限公司 | Dumbbell and barbell products manufactured from composite material and manufacturing method of dumbbell and barbell products |
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| CN104258534B (en) | 2017-01-25 |
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