CN218803459U - Shaping tool for wheel-shaped decorative strip of automobile - Google Patents
Shaping tool for wheel-shaped decorative strip of automobile Download PDFInfo
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- CN218803459U CN218803459U CN202222893892.5U CN202222893892U CN218803459U CN 218803459 U CN218803459 U CN 218803459U CN 202222893892 U CN202222893892 U CN 202222893892U CN 218803459 U CN218803459 U CN 218803459U
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Abstract
The utility model belongs to a shaping tool for wheel-shaped decorative strips of automobiles, which comprises a base, wherein a MHF2-20D2 cylinder is fixed at the upper and lower parts of the left side of the base, a distribution box is arranged at the upper left corner, and a starting button switch is arranged at the lower left corner, and the shaping tool is characterized in that two slideways are arranged on the shell of the MHF2-20D2 cylinder in parallel; the slideway is connected with a lug boss arranged below the sliding block in a sliding way; the slide block is fixed on the inner side profiling mould through a countersunk head screw through slide block fixing holes on lugs arranged at two ends of the inner side profiling mould; the inner side of the inner copying mould is provided with an outer copying mould; and limiting blocks are fixed at two ends of the inner side of the MHF2-20D2 cylinder shell through countersunk screws and countersunk screw holes. The utility model discloses a place the work piece and fix a shape the effect accuracy in the arc slot that comprises outside profile modeling mould and inboard profile modeling mould, efficient, it is with low costs.
Description
Technical Field
The utility model belongs to the system utensil, in particular to car wheel-shaped trim design system utensil.
Background
The automobile front door triangle is an injection molding part, and the buckling deformation of the injection molding part means that the shape of the injection molding part is different from that of a mold cavity, which is one of the common defects of plastic products. With the development of the plastic industry, people have higher and higher requirements on the appearance and the service performance of plastic products, and the degree of warpage is also more and more concerned and emphasized by injection molding manufacturers as one of important indexes for evaluating the quality of products. The direct cause of warpage in injection-molded articles is the uneven shrinkage of the plastic part (shrinkage itself is not critical, it is important that there is a difference in shrinkage) during the plasticizing phase of the barrel of the injection-molding machine, i.e. when the plastic granules are converted from a glassy state to a viscous state. The temperature difference of the melt temperature in the axial direction and the radial direction (relative to the screw) can cause stress to the plastic; parameters such as injection pressure and injection speed of the injection machine greatly influence the orientation degree of molecules during filling, and further cause buckling deformation. The plastic is filled into the mold cavity in the stage of filling the mold cavity, that is, the molten plastic is filled into the mold cavity under the action of injection pressure and is cooled and solidified in the mold cavity. In the process, the mutual coupling action of the temperature, the pressure and the speed has great influence on the quality and the production efficiency of the plastic part. The main reasons are as follows:
1. higher pressures and flow rates produce high shear rates, causing differences in molecular orientation parallel to the flow direction and perpendicular to the flow direction, resulting in greater shrinkage of the plastic in the flow direction than in the perpendicular direction;
2. the mold temperature is low, so that the increase of internal stress is also caused by uneven cooling and shrinkage of the plastic between the plastic contacting the surface layer of the mold and the central flowing layer;
3. the temperature difference between the mold cavity and the mold core is too large, because the melt close to the cold mold cavity surface is cooled down quickly, the material layer close to the hot mold cavity surface can continue to shrink, and the uneven shrinkage can cause the plastic part to warp;
4. due to the different wall thicknesses of all parts of the product, the uneven cooling speed and shrinkage of all parts cause the plastic part to generate warping deformation, and the plastic product is subjected to an ejection stage, namely the process that the product is separated from the mold under the action of external force.
In conclusion, the higher demolding temperature and the lower hardness of the plastic part enable the product to deform under the ejection force; the ejection system is unbalanced in arrangement, so that the ejection force is unbalanced to deform the plastic part; the sectional area of the ejector rod is too small, so that the plastic part is deformed due to overlarge stress per unit area (particularly when the demolding temperature is too high); when a large-sized deep-cavity thin-wall plastic part is ejected, the plastic part deforms due to large demoulding resistance. The physical properties of the plastic itself also cause warpage of the injection-molded part.
Disclosure of Invention
The invention aims to solve the technical problems and provides a MHF2-20D2 cylinder fixed on the upper and lower parts of the right side of the upper surface of a base. The casing of the MHF2-20D2 cylinder is provided with two slideways in parallel, two sides of the upper surface of each slideway are provided with outer copying clamping tools, the inner sides of the outer copying clamping tools are provided with inner copying clamping tools, and a workpiece is arranged between the inner and outer copying clamping tools to correct the workpiece.
The utility model provides a technical scheme that technical problem adopted is: a shaping tool for wheel-shaped decorative strips of automobiles comprises a base, wherein an MHF2-20D2 cylinder is fixed at the upper and lower parts of the left side of the base, a distribution box is arranged at the upper left corner, and a starting button switch is arranged at the lower left corner, and is characterized in that two slide ways are arranged on the shell of the MHF2-20D2 cylinder in parallel; the slideway is connected with a lug boss arranged below the sliding block in a sliding way; the slide block is fixed on the inner side profiling mould through a countersunk head screw through slide block fixing holes on lugs arranged at two ends of the inner side profiling mould; the inner side of the inner copying mould is provided with an outer copying mould; and limiting blocks are fixed at two ends of the inner side of the MHF2-20D2 cylinder shell through countersunk screws and countersunk screw holes.
The inner side profiling mould comprises fixing bolt holes arranged at the upper end and the lower end of the inner side profiling mould, a groove is arranged in the middle of the inner side profiling mould, and an arc-shaped groove is arranged at the outer side of the inner side profiling mould; a left screw and a right screw are arranged between two wheel-shaped decorative strips at the upper ends of the two arc-shaped grooves, and a bidirectional nut is arranged between the two screws.
The outer side profiling mould comprises a second groove arranged in the middle of the outer side profiling mould, and the inner side of the outer side profiling mould is provided with an arc-shaped edge which is the same as the arc-shaped groove on the outer side of the inner side profiling mould; an arc groove for placing the wheel-shaped decorative strip of the automobile is formed between the arc edge and the arc groove.
The beneficial effects of the utility model are that: the utility model discloses a place the work piece and fix a shape the effect accuracy in the arc slot that comprises outside profile modeling mould and inboard profile modeling mould, efficient, it is with low costs.
Drawings
The following description is made in detail by way of example with reference to the accompanying drawings.
Fig. 1 is a three-dimensional view of a shaping tool for wheel-shaped decorative strips of an automobile.
In the figure: 1-a distribution box; 2-start button switch; 3-inner profile modeling clamping fixture; 3-1-fixing bolt holes; 3-2-a slider fixing hole; 3-3-arc groove; 3-4-groove one; 3-5-ear; 4-outside profiling mould; 4-1-groove two; 4-2-arc edge; 5-automobile wheel-shaped decorative strips; 5-1-arc groove; 6-MHF2-20D2 cylinder; 6-1-slideway; 6-2-cylinder left air inlet and outlet interface; 6-3-air cylinder right air inlet and outlet interface; 7-a base; 8-a slide block; 8-1-boss; 9-a limiting block; 9-1-countersunk screw holes; 10-left screw; 11-a two-way nut; 12-right screw.
Detailed Description
The embodiment refers to the attached drawings, and provides a shaping and manufacturing tool for wheel-shaped decorative strips of automobiles, which comprises a base 7, wherein MHF2-20D2 cylinders 6 are fixed at the upper and lower parts of the left side of the base 7, a distribution box 1 is arranged at the upper left corner, and a starting button switch 2 is arranged at the lower left corner, and the shaping and manufacturing tool is characterized in that two slideways 6-1 are arranged on the shell of the MHF2-20D2 cylinders 6 in parallel; the slideway 6-1 is connected with a boss 8-1 arranged below the sliding block 8 in a sliding way; the slide block 8 is fixed on the inner side profiling mould 3 through a countersunk head screw through slide block fixing holes 3-2 on lugs 3-5 arranged at two ends of the inner side profiling mould 3; the inner side of the inner profiling mould 3 is provided with an outer profiling mould 4; and limiting blocks 9 are fixed at two ends of the inner side of the MHF2-20D2 cylinder 6 shell through countersunk screws through countersunk screw holes 9-1.
The inner side profiling mould 3 comprises fixing bolt holes 3-1 arranged at the upper end and the lower end of the inner side profiling mould 3, a groove 3-4 arranged in the middle, and an arc-shaped groove 3-3 arranged at the outer side; a left screw 10 and a right screw 12 are arranged between the two wheel-shaped decorative strips 5 at the upper ends of the two arc-shaped grooves 3-3, and a bidirectional nut 11 is arranged between the two screws.
The outer profiling mould 4 comprises a groove II 4-1 arranged in the middle of the outer profiling mould 4, and an arc-shaped edge 4-2 which is the same as the arc-shaped groove 3-3 on the outer side of the inner profiling mould 3 is formed on the inner side of the outer profiling mould 4; an arc groove 5-1 for placing the wheel-shaped decorative strip 5 of the automobile is formed between the arc edge 4-2 and the arc groove 3-3.
The shell of two MHF2-20D2 cylinders 6 is provided with a left cylinder air inlet and outlet interface 6-2 and a right cylinder air inlet and outlet interface 6-3, the air inlet and outlet interfaces are communicated with an electromagnetic valve in an air compression control system through pipelines, the electromagnetic valve is communicated with a control circuit in a distribution box 1 through a lead, automatic control is carried out through pre-programming, a starting button switch 2 is communicated with the control circuit through a lead, and the starting button switch 2 is only required to be pressed during operation.
The operation method of the utility model is as follows: after all parts of the tool are assembled, the wheel-shaped decorative strip 5 of the automobile is taken out by a manipulator and is placed in the arc-shaped groove 5-1; then operating the start button switch 2, respectively sending high-pressure air to the MHF2-20D2 air cylinder 6, driving the slide block 8 and the boss 8-1 to move along the slide way 6-1, driving the inner profile modeling clamping fixture 3, simultaneously using the left screw rod 10, the right screw rod 12 and the bidirectional nut 11, and rotating the bidirectional nut 11 to tightly press the wheel-shaped decorative strip 5 of the automobile. And then starting a blower to cool the workpiece for more than 30s, and taking down the workpiece after cooling and shaping.
Claims (3)
1. A shaping tool for wheel-shaped decorative strips of automobiles comprises a base (7), wherein an MHF2-20D2 cylinder (6) is fixed at the upper and lower parts of the left side of the base (7), a distribution box (1) is arranged at the upper left corner, and a starting button switch (2) is arranged at the lower left corner, and the shaping tool is characterized in that two slideways (6-1) are arranged on the upper surface of a shell of the MHF2-20D2 cylinder (6) in parallel; the slideway (6-1) is connected with a boss (8-1) arranged below the sliding block (8) in a sliding way; the slide block (8) is fixed on the inner side profiling mould (3) through a countersunk head screw through slide block fixing holes (3-2) on lugs (3-5) arranged at two ends of the inner side profiling mould (3); an outer profiling mould (4) is arranged on the inner side of the inner profiling mould (3); and limiting blocks (9) are fixed at two ends of the inner side of a casing of the MHF2-20D2 cylinder (6) through countersunk screws through countersunk screw holes (9-1).
2. The shaping jig for the automobile wheel-shaped decorative strip according to claim 1, wherein the inner profiling jig (3) comprises fixing bolt holes (3-1) arranged at the upper and lower ends of the inner profiling jig (3), a groove (3-4) arranged in the middle, and an arc-shaped groove (3-3) arranged at the outer side; a left screw (10) and a right screw (12) are arranged between the two wheel-shaped decorative strips (5) at the upper ends of the two arc-shaped grooves (3-3), and a bidirectional nut (11) is arranged between the two screws.
3. The shaping fixture for the automobile wheel-shaped decorative strip according to claim 1, wherein the outer profiling fixture (4) comprises a second groove (4-1) arranged in the middle of the outer profiling fixture (4), and an arc-shaped edge (4-2) which is the same as the arc-shaped groove (3-3) on the outer side of the inner profiling fixture (3) is formed on the inner side; an arc groove (5-1) for placing the wheel-shaped decorative strip (5) of the automobile is formed between the arc edge (4-2) and the arc groove (3-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222893892.5U CN218803459U (en) | 2022-11-01 | 2022-11-01 | Shaping tool for wheel-shaped decorative strip of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222893892.5U CN218803459U (en) | 2022-11-01 | 2022-11-01 | Shaping tool for wheel-shaped decorative strip of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218803459U true CN218803459U (en) | 2023-04-07 |
Family
ID=87264766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222893892.5U Active CN218803459U (en) | 2022-11-01 | 2022-11-01 | Shaping tool for wheel-shaped decorative strip of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218803459U (en) |
-
2022
- 2022-11-01 CN CN202222893892.5U patent/CN218803459U/en active Active
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