TWI741916B - Method of texture-forming of cone shaped objects - Google Patents

Abstract

The present invention provides a method of texture-forming of cone shaped objects. Its procedure consists of setting a workpiece equipped with cone-section and the die possesses mold cavity which is provided with the same conicity as the cone-section. The die sets at least one texture in inner wall of mold cavity and its length of perimeter of transversal surface is integer multiple of transversal surface-perimeter of correspondent cone-section；let one of the cone-section or the die tilt and shift to a hemipyramid-angle of the conicity；place the cone-section into the mold cavity and let it contact the inner mold cavity to make the cone-section and the die relatively rotate and let the surface of cone-section present the texture which is correspondent to the mentioned texture；Thereby, the present invention could make texture processing and forming unrestricted by its conicity and form the high precision texture on the surface of cone-object, such as word, pattern, geometry pattern or nongeometric pattern and it doesn’t deform by ratio of rotating speed difference from conicity and enhance the exquisiteness and aesthetics.

Description

Pattern forming method of cone

The present invention provides a method for forming the texture of a cone, especially a method by setting the cone of the workpiece and the corresponding mold cavity with the same taper, and by making one of them tilted and offset by half the cone angle during processing, and through Rotating to form high-precision lines on the tapered part.

Press, the texture processing of the workpiece is mainly to form the texture on the workpiece, so that the finished product can show a diversified visual appearance, and the texture is also one of the main factors of the exquisite appearance of the product. Different textures can form very different Style and visual beauty, so the formation of lines is actually an important part of workpiece processing.

There are many ways to form textures, including hot pressing, embossing, hot stamping, laser engraving, etching, CNC, electrical discharge machining and other processing methods, all of which can form textures on the surface of the workpiece. However, some workpieces are made according to requirements. Products have various shapes, and each texture processing method has its limitations, which is not necessarily applicable to various configurations of workpieces; and some products, such as grips, golf club handles and other products, The rod body part is tapered. In order to improve its texture or increase its anti-slip degree, it can be directly processed on the surface of the rod body to form a pattern, and the pattern processing of the rod body is usually formed by electric discharge machining. ; However, its processing method is to directly feed the circular rotation of the rod body and roll the tool wall surface, The texture of the tool wall surface is transferred to the rod body to form lines on the surface; however, because the rod system is tapered, it has a taper. When the rod is directly driven for circular motion, the length of the rod is longer At the same time, the difference between the rolling speed and the rolling distance of the upper and lower ends of the side edge of the rod will increase. Therefore, it is often the case that the texture at the lower end of the rod is stretched or deformed during processing, especially the setting of the pattern It is more obvious when it is the same pattern array, which will affect its overall aesthetics.

In the prior art, the solution to the texture processing of the aforementioned cone-shaped object is usually by processing the upper and lower sections of the rod body before assembling, so that the speed and distance difference caused by the reduction of the taper can be made less obvious. The method will result in the rod body cannot be integrally formed and have seams, and the processing time required for the segmented method is longer, so the production cost is higher; and the conventional method provides another process by directly applying the texture on the tool In response to the aforementioned deformation of the speed and distance difference, it is expected to compensate for the aforementioned causes of deformation. However, the method must rely on experience and must be completed after a certain degree of trial and error. The trial and error process will increase the manufacturing cost of the tool. Moreover, the accuracy of the generated texture is still biased, so it is not a standard technology practice.

In view of this, our inventors have devoted themselves to further research on the processing of the taper texture, and proceeded to develop and improve, hoping to provide a better invention to solve the above problems, and after continuous experimentation and modification, the present invention came out.

The object of the present invention is to solve the aforementioned problems. In order to achieve the above object, our inventors provide a method of forming a cone-shaped texture. The steps include: setting a workpiece with a cone-shaped part and having the same The mold for the taper of the taper cavity, the mold is provided with at least one engraving on the inner wall surface of the mold cavity; one of the taper and the mold is tilted and offset by a half taper angle corresponding to the taper; The tapered portion is placed in the mold cavity and contacts the wall surface of the mold cavity; and the tapered portion and the mold are relatively rotated, so that the surface of the tapered portion presents a pattern corresponding to the engraved pattern.

According to the above-mentioned method for forming the pattern of a cone, wherein when the cone is placed in the cavity and contacts the wall of the cavity, the cone is made to move in a circle, and the cone is made Corresponding to rolling in the cavity.

According to the above-mentioned method for forming the pattern of a cone, the mold rotates in situ along an axial direction so that the cone portion rolls in the mold cavity correspondingly.

According to the above-mentioned method for forming the pattern of a cone, wherein the mold is provided with a plurality of engravings on the inner wall of the cavity, and the different engravings are arranged in the same or different shapes.

According to the above-mentioned method for forming the pattern of a cone, wherein the engraving is convexly or concavely formed on the inner wall of the cavity.

According to the above-mentioned method for forming the pattern of a cone, the mold is formed by electrical discharge machining so that the cone part contacts the wall surface of the cavity, and the cone part and the mold are rotated relative to each other to form the Lines.

According to the above-mentioned method for forming the pattern of a cone, the workpiece is a grip.

According to the above-mentioned method for forming the pattern of a cone, the mold further includes two corresponding modules. The modules are respectively formed with a processing groove, and the modules are combined with each other so that the processing grooves correspond to each other. Combine those who form the cavity.

According to the above-mentioned method for forming the pattern of a cone, wherein the length of the perimeter of the cross-section of the cavity is an integer multiple of the perimeter of the corresponding cross-section of the cone, and the engraving on the corresponding cross-section is corresponding A spliced pattern spread out on the lines.

According to the above-mentioned method for forming the pattern of a cone, the engraved pattern is a text, a pattern, a composite figure or a non-geometric figure.

Based on the above description and settings, it is obvious that the present invention mainly has the following advantages and effects, which are described in detail as follows: 1. The present invention makes one of the cone and the mold tilt and offset by half the cone angle during processing. , By means of the side edge of the cone-shaped part contacting the wall surface of the mold cavity, it can completely fit the mold cavity, and during the circular rolling motion, the rolling speed of the contact surface of the cone-shaped part and the mold cavity will be consistent, so that it will not be affected by the taper. , So that the pattern formed by the transfer of the tapered part can completely correspond to the pattern of the mold without any deviation or deformation. By improving the accuracy of the pattern, the texture and aesthetics of the finished product can be improved. Those who can enhance the value of the finished product.

1: Workpiece

11: Cone

111: lines

2: Mould

21: Mould cavity

211: engraved

22: Module

221: Machining Slot

3: drive device

S001~S004: steps

Figure 1 is a flowchart of the present invention.

Figure 2 is a three-dimensional schematic diagram of one of the modules in the mold of the present invention.

Figure 3 is a three-dimensional schematic view of the workpiece before processing according to the present invention.

Figure 4 is a three-dimensional exploded schematic view of the mold and workpiece before processing of the present invention.

Figure 5 is a schematic side view of the workpiece according to the present invention for adjusting the inclination half-cone angle.

Figure 6 is a schematic side view of the mold and workpiece before processing of the present invention.

Figure 7 is a schematic side view of the tapered part of the workpiece extending into and fitting the mold cavity on its side edge during processing of the present invention.

Figure 8 is a schematic top view of the tapered part of the workpiece rolling in the mold cavity during the processing of the present invention.

Figure 9 is a three-dimensional schematic diagram of the workpiece processed by the present invention.

Regarding the technical means of our inventors, several preferred embodiments are described in detail below in conjunction with the drawings, so as to provide a thorough understanding and approval of the present invention.

Please refer to Figures 1 to 4 first. The present invention is a method for forming a pattern of a cone. The steps include:

S001: Set a workpiece 1 and a mold 2. The workpiece 1 has a tapered portion 11, and the mold 2 has a cavity 21 with the same taper as the tapered portion 11, and the mold 2 is set on the inner wall of the cavity 21 There is at least one engraving 211; in one embodiment, in order to facilitate the control of the workpiece 1 and the mold 2, a driving device 3 can be provided to connect and control the actions of the workpiece 1 and the mold 2 respectively; for the workpiece 1 , It can be a cone-shaped grip, such as the grip of a golf club, but it is only an example and not a limitation; and the configuration of the mold 2 is to facilitate the formation of the engraving 211, Therefore, the mold 2 may include two corresponding modules 22. The modules 22 are respectively formed with a processing groove 221, so that the engraving 211 can be separately arranged in the processing groove 221, and the modules 22 are combined with each other to make The processing grooves 221 are correspondingly combined to form the cavity 21; in this embodiment, the cavity 21 can be a cone-shaped hole, and in other embodiments, it can also be any cone-shaped slot or hole.

Regarding the arrangement of the engraved pattern 211, in one embodiment, it can be protruding or recessed on the inner wall surface of the cavity 21, and can be arranged in a single or plural number, and if it is a plural number of engraved patterns 211, the The different engraved patterns 211 are arranged in the same or different shapes, and can be arranged and arranged in an arbitrary array in the mold cavity 21; in addition, the engraved patterns 211 can be arranged as characters or patterns according to requirements or aesthetics. , Geometry or non-geometric figures; however, the foregoing is only an example and not a limitation.

S002: When processing is to be performed, one of the tapered portion 11 and the mold 2 is obliquely offset by a half cone angle θ corresponding to the taper; specifically, the tapered portion 11 in this embodiment is Take a conical column as an example, but it is not a limitation, but the taper of the tapered portion 11 is calculated. As shown in Figure 5, the taper T is the maximum diameter D of the tapered portion 11 minus its minimum diameter d , Divided by its length L, as shown in the following mathematical formula 1:

The half cone angle θ is shown in the following mathematical formula 2:

In order to facilitate processing, in one embodiment, the driving device 3 makes the mold 2 be vertically arranged, and makes the workpiece 1 incline by the angle of the half cone angle θ.

S003: Then, as shown in Figs. 6 and 7, the driving device 3 can be driven axially to place the tapered portion 11 into the cavity 21 and contact the wall surface of the cavity 21 to start Carry out a processing flow.

S004: As shown in Figs. 7 and 8, the driving device 3 makes the cone-shaped portion 11 and the mold 2 relatively rotate during the processing flow, so that the cone-shaped portion 11 is as shown in Fig. 9 , The surface presents a pattern 111 corresponding to the engraved pattern 211; in one embodiment, the mold 2 is processed by electrical discharge machining, so that when the tapered portion 11 contacts the wall of the cavity 21, it can be applied to the mold 2 Electricity increases the potential difference between the mold 2 and the tapered portion 11, thereby generating an electric field, and when the electric field strength is higher than the dielectric strength, the tapered portion 11 is caused to collapse and the material portion corresponding to the groove 211 is removed Copies, so as to form a corresponding engraved pattern 211 Therefore, it can be understood that, in one embodiment, the driving device 3 may be an electric discharge machining machine, but it is only an example for illustration, and it is not limited thereto.

And specifically, when the tapered portion 11 is placed in the mold cavity 21 and contacts the wall surface of the mold cavity 21, the tapered portion 11 is made to move in a circle, and the tapered portion 11 is made to roll correspondingly to the mold cavity. In the cavity 21, at this time, the mold 2 can also be driven to rotate in situ along an axial direction synchronously according to the situation, so that the cone portion 11 rolls in the cavity 21 correspondingly.

Since the tapered portion 11 rolls on the inner wall of the cavity 21 in a circular motion, when there are multiple engravings 211 on the surface of the same cross section, in a preferred embodiment, the length of the perimeter of the cross section of the cavity 21 is Is an integer multiple of the perimeter of the cross section of the tapered portion 11, and the engraved pattern 211 located on the corresponding cross section is a spliced pattern corresponding to the expanded pattern of the texture 111, whereby when the tapered portion 11 is in the mold When the cavity 21 rolls, the rollable number corresponds to the aforementioned integer multiple. When the cone portion 11 rolls and rotates for the first time, its lines 111 have been preliminarily formed, so it is set by the integer multiple of the aforementioned circumference and engraved 211 is the splicing pattern of the expanded view of the pattern 111. When the tapered portion 11 is rolled around the mold cavity 21, all the initially formed patterns 111 can correspond to the engraved pattern 211 and continue to be processed, so that the pattern 111 is not formed due to The rolling in the mold cavity 21 causes deviation and damage, so as to ensure the accuracy of the processing of the pattern 111.

And as mentioned above, when one of the tapered portion 11 and the mold 2 is tilted and offset by half the taper angle θ, the side edge of the tapered portion 11 contacting the wall surface of the mold cavity 21 can completely fit the mold cavity 21, and During the circular rolling motion, the rolling speed of the contact surface of the cone 11 and the mold cavity 21 will be consistent, so that it will not be affected by the taper, so that the pattern 111 formed by the transfer of the cone 11 can completely correspond to the mold 2 The engraved pattern 211 does not produce any deviation or deformation. By increasing the accuracy of the pattern 111, the texture and aesthetics of the finished product can be improved, and the value of the finished product can be enhanced; accordingly, if there are plural The engraving 211 hours, and want to form The lines 111 must have the same size, and can be arranged in any arrangement and array on the tapered portion 11, and the engraved lines 211 can still be set to correspond to the same size, and when the lines 111 are formed, all the lines 111 The size will be the same without deviation, which can ensure the fineness and exquisiteness of the products made.

In summary, the technical means disclosed in the present invention can effectively solve the conventional problems and achieve the expected purpose and effect. It has not been seen in the publications, has not been used publicly, and has long-term progress before the application. The patent law claims that the invention is correct. Yan filed an application in accordance with the law and prayed for the detailed examination and grant of the invention patent.

However, the above are only a few preferred embodiments of the present invention, and should not be used to limit the scope of implementation of the present invention, that is, all equivalent changes and modifications made in accordance with the scope of the patent application of the present invention and the content of the description of the invention are all It should still fall within the scope of the patent for this invention.

S001~S004: steps

Claims (10)

A method for forming a pattern of a cone. The steps include: arranging a workpiece with a cone-shaped part and a mold having a cavity with the same taper as the cone-shaped part, and the mold is provided with at least one engraving on the inner wall of the cavity ; Make one of the cone and the mold tilt and offset a half cone angle corresponding to the taper; place the cone in the mold cavity and contact the wall of the mold cavity; and make the cone shape The relative rotation of the part and the mold makes the surface of the cone-shaped part present a pattern corresponding to the engraving. The method for forming a pattern of a cone according to claim 1, wherein when the cone is placed in the cavity and contacts the wall of the cavity, the cone is made to move in a circular motion, and the cone The shaped part correspondingly rolls in the cavity. The method for forming the pattern of a cone according to claim 2, wherein the mold rotates in situ along an axial direction, so that the cone portion rolls in the mold cavity correspondingly. The method for forming the pattern of a cone according to any one of claims 1 to 3, wherein the mold is provided with a plurality of engravings on the inner wall of the cavity, and the different engravings are Set in the same or different shapes. The method for forming the pattern of a cone according to any one of claim 1 to claim 3, wherein the engraved pattern is convexly or concavely formed on the inner wall surface of the mold cavity. According to any one of claim 1 to claim 3, the method for forming the pattern of a cone, wherein the mold is processed by electrical discharge machining, so that the cone part contacts the wall surface of the mold cavity, and the cone shape The pattern is formed when the part and the mold rotate relative to each other. According to any one of claim 1 to claim 3, the method for forming the pattern of a cone, wherein the workpiece is a grip. According to any one of claim 1 to claim 3, the method for forming the pattern of a cone, wherein the mold further includes two corresponding modules, the modules are respectively formed with a processing groove, and the modules are Mutual combination, so that the processing grooves are correspondingly combined to form the mold cavity. The method for forming the pattern of a cone according to any one of claim 1 to claim 3, wherein the length of the cross-sectional circumference of the mold cavity is an integer multiple of the corresponding cross-sectional circumference of the cone, and is located at the corresponding The engraved pattern of the cross section is the one corresponding to the spliced pattern expanded by the pattern. The method for forming the pattern of a cone according to any one of claim 1 to claim 3, wherein the engraved pattern is a text, a pattern, a composite figure or a non-geometric figure.

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