TW201702000A - Grinding and polishing tool and method for manufacturing the same - Google Patents

Abstract

The invention relates to a grinding and polishing tool and a method for manufacturing the same. Primarily, a mixture of a flexible substrate and a hard abrasive is poured into a forming space of a forming mold. Then the forming mold is placed in an oven to melt the flexible substrate to combine the hard abrasive. Thereby a finished product of the grinding and polishing tool consists of the integrated flexible substrate and the hard abrasive can be taken out from the forming mold after cooling. By the flexibility of the flexible substrate, the impact force on the workpiece can be effectively reduced when processing the workpiece, the situation of improperly scratching the surface of the workpiece can be avoided, and more space can be generated to remove cutting chips for further omit the use of polishing solution to prevent environment from damage caused by the polishing solution.

Description

Grinding and polishing tool and manufacturing method thereof

The invention relates to a grinding and polishing tool and a manufacturing method thereof, in particular to a grinding and polishing which can easily combine a soft substrate and a hard abrasive into a whole, and achieve the effects of reducing processing punching force, improving chip removal efficiency and environmental protection. Tools and how to make them.

Press, polishing and polishing tools are widely used for low-order cutting, grinding and high-order precision polishing of workpieces according to their applications. The application of grinding and polishing tools can be found in the mechanical parts industry, the hardware manufacturing industry, the steel industry, the glass industry, and even the electronics manufacturing and semiconductor industries.

The existing grinding and polishing tools are mainly made of ceramics and the like as a substrate, and then a hard abrasive such as diamond is added, followed by adding a binder such as metal powder, and then the ceramic substrate, the diamond abrasive and the bonding agent are uniformly mixed, and the cold is continued. It is shaped by pressing and formed into a grinding and polishing tool such as a grinding wheel after sintering. The grinding and polishing tool of the ceramic substrate has a relatively high hardness. When the workpiece is ground and polished and pressed against the workpiece, the workpiece will have a certain punching force, and the impact force may improperly scratch the surface of the workpiece, affecting the processing. Accuracy, on the other hand, can cause improper wear of the abrasive polishing tool.

In addition, the existing grinding and polishing tools are usually used together with the grinding liquid, which will play the role of removing chips during the processing, but the existing grinding liquids are corrosive, so that the processing is processed. In the process, the bonding agent and the like in the polishing and polishing tool are dissolved, and the abrasive is detached from the substrate, which causes the workpiece to be damaged during the processing and is not damaged by the falling abrasive, and if the corrosive polishing liquid is not treated, That is, direct discharge into the environment will cause environmental load and damage.

The reason for this is that the present inventors have made many of the above-mentioned deficiencies in the use of the existing grinding and polishing tools, and have developed the present invention through various ingenuity and skill through the many years of manufacturing and design experience and knowledge in related fields.

The invention relates to a grinding and polishing tool and a manufacturing method thereof, the main purpose of which is to provide a simple and uniform combination of a soft substrate and a hard abrasive, and to reduce the processing punching force, improve chip removal efficiency and environmental protection. Effective grinding and polishing tools and their making methods.

In order to achieve the above-mentioned implementation purpose, the inventors have developed a method for fabricating the following polishing and polishing tool, the implementation steps of which include:

A. preparing a mold: a molding die is prepared, the molding die comprises a first mold core and a second mold core which are mutually opposed, and a relative mold cavity is provided in the first mold core and the second mold core. Forming a molding space together, and providing one of the first mold core and the second mold core or a combination thereof with a runner running through the surface to the cavity;

B. Raw material agitation: the raw material comprises a soft substrate and a hard abrasive, and the soft substrate and the hard abrasive are placed in a container and stirred and mixed;

C. feeding: the soft substrate and the hard abrasive which are uniformly stirred are poured into the molding space of the molding die from the runner of the molding die;

D. Baking: the molding die is continuously placed in an oven to thermally melt the soft substrate located in the molding space of the molding die to form a shape corresponding to the molding space, and the hard abrasive and the hard abrasive are a combination of hot melt soft substrates;

E. Cooling: After the baking is finished, the molding die is continuously taken out of the oven and left to cool;

F. Finished product: The mold is opened again, and the finished grinding and polishing tool which is integrally combined with the soft substrate and the hard abrasive is taken out from the molding die.

The manufacturing method of the polishing and polishing tool as described above, wherein the method of manufacturing the polishing and polishing tool further comprises the step of inserting the polishing rod, and after the step of feeding, successively inserting a polishing rod into the molding mold And the one end of the polishing rod is positioned in the molding space of the molding die, and the molding die inserted with the polishing rod is placed in the oven so that the polishing rod is located at one end of the molding space and the soft base of the hot melt The materials are combined to open the forming mold, and the finished grinding and polishing tool made of a soft substrate, a hard abrasive and a polishing rod is taken out.

The method of manufacturing a polishing and polishing tool as described above, wherein the polishing rod is sandblasted at a position opposite to the soft substrate to form a rough surface of the end peripheral wall.

The manufacturing method of the polishing and polishing tool as described above, wherein the molding die has a molding space which is one of a spherical shape, a semi-elliptical shape, or a cylindrical shape.

Accordingly, the polishing and polishing tool can be used to form a polishing and polishing tool, which mainly comprises a soft substrate and a hard abrasive, and the hard abrasive is uniformly embedded in the soft substrate from the inside to the outside.

The polishing and polishing tool as described above, wherein the soft substrate is made of a polyurethane material.

The abrasive polishing tool as described above, wherein the hard abrasive is selected from one of diamond, cubic boron nitride and tantalum carbide or a combination thereof.

The abrasive polishing tool as described above, wherein the abrasive polishing tool further comprises a polishing rod such that one end of the polishing rod is combined with the soft substrate.

The abrasive polishing tool as described above, wherein the polishing bar is such that it forms a rough surface with respect to the other peripheral wall of the soft substrate.

The abrasive polishing tool as described above, wherein the soft substrate is formed into one of a spherical shape, a semi-elliptical shape, or a cylindrical shape.

Therefore, by using the soft polishing substrate which is combined with the soft base material and the hard abrasive, the soft base material has elasticity, thereby effectively reducing the punching force when the workpiece is processed, avoiding improper scratching of the surface of the workpiece, and generating Large chip space, in order to remove the chips, further to avoid the use of the slurry, to prevent the slurry from harming the environment and other benefits.

In order to make the technical means of the present invention and the effects thereof can be more completely and clearly disclosed, the following is a detailed description. Please refer to the disclosed drawings and drawings:

First, please refer to the first and second figures, which are the manufacturing methods of the polishing and polishing tool of the present invention, and the implementation steps thereof include:

A. Preparing a mold: preparing a molding die (1), the molding die (1) comprising a first mold core (11) and a second mold core (12) which are mutually opposed, and the first mold core (11) and the second mold core (12) are provided with opposing mold holes (111), (121) to jointly form a molding space (13), and the first mold core (11) and the second mold core (12) one or a combination thereof is provided with a runner (14) extending from the surface to the cavity (111);

B. Raw material agitation: the raw material (2) comprises a soft substrate (21) and a hard abrasive (22). The soft substrate (21) is a polyurethane material, and the hard abrasive (22) is selected from diamonds. One or a combination of cubic boron nitride and tantalum carbide is placed in a container by a soft substrate (21) and a hard abrasive (22);

C. Feeding: The soft substrate (21) and the hard abrasive (22) which are uniformly stirred are poured from the runner (14) of the molding die (1) into the molding space (13) of the molding die (1). ;

D. Inserting a polishing rod: inserting a polishing rod (3) into the runner (14) of the molding die (1), and positioning one end of the polishing rod (3) in the molding die (1) Space (13);

E. Baking: The molding die (1) into which the polishing rod (3) is inserted is continuously placed in an oven (4) to make the soft base located in the molding space (13) of the molding die (1). The material (21) is hot melted to form a shape corresponding to the molding space (13), and the hard abrasive (22) and the polishing rod (3) are located at one end of the molding space (13) and the hot melt is soft. The substrate (21) is combined;

F. Cooling: After the baking is finished, the molding die (1) is continuously taken out of the oven (4) to be allowed to stand in the air for cooling;

G. Finished product: The composite opening mold (1) is obtained by taking out the soft polishing substrate (21), the hard abrasive (22) and the polishing rod (3) integrally formed by the molding die (1).

Accordingly, please refer to the third to fifth figures together, since the soft substrate (21) is cooled by the molding die (1) after being melted to form a shape corresponding to the molding space (13), the molding space can be formed. (13) one of a shape of a spherical shape, a semi-elliptical shape or a cylindrical shape, etc., after the implementation step of the present invention, the abrasive polishing tool is simply shaped into a spherical shape (as shown in the third figure), a semi-elliptical shape [such as shown in the fourth figure] or a cylindrical shape (as shown in the fifth figure) and the like, and the hard abrasive (22) is uniformly embedded in the soft substrate (21) from the inside to the outside, To form a polishing and polishing member, and the polishing rod (3) is engaged at the center of the soft substrate (21) for assembly with a grinding machine for use, wherein the semi-elliptical soft substrate (21) The polishing rod (3) can be engaged with the soft substrate (21) at one end of the large diameter. In order to improve the stability of the assembly of the polishing rod (3) and the grinding machine, the polishing rod (3) is sandblasted at the other end of the polishing rod (3) combined with the soft substrate (21) to form a rough surface of the peripheral wall. (31), in order to improve the frictional force after assembly with the grinding machine, so that the polishing rod (3) is not easy to slip and escape.

Accordingly, when used in practice, the polishing and polishing tool of the present invention has its polishing rod (3) provided with one end of the rough surface (31) and assembled with the grinding machine, and then the polishing tool can be driven to drive the polishing rod ( 3), and in combination with the polishing rod (3), the polishing and polishing member composed of the soft substrate (21) and the hard abrasive (22) is rotated at a high speed, and when the workpiece is processed, the polishing and polishing member is pressed against the workpiece. When the polishing and polishing member generates a punching force with the workpiece, when the punching force is generated, the cushioning property of the soft substrate (21) of the present invention can greatly reduce the punching force to reduce the hard abrasive. (22) Improperly scratching the surface of the workpiece, affecting the processing accuracy, and avoiding the undue loss caused by the impact of the polishing and polishing tool. Moreover, the flexibility of the soft substrate (21) can be used to produce a large chip evacuation space during polishing and polishing, so that the workpiece can be removed after grinding and polishing, so that the polishing liquid can be omitted. On the one hand, the cost of the polishing liquid can be saved, and in addition, the corrosive polishing liquid can be prevented from eroding the soft substrate (21) of the polishing and polishing part, causing the hard abrasive (22) to fall off, and the workpiece is improperly scratched. On the other hand, it can prevent the direct discharge of the slurry into the environment, the load and damage caused to the environment, or in order to comply with environmental regulations, the cost of treating the slurry to the environment without damage can be saved together. Achieve many practical benefits.

The foregoing embodiments or drawings are not intended to limit the implementation of the abrasive polishing tool of the present invention and the method of fabricating the same. Any suitable variation or modification of those skilled in the art should be considered as not departing from the polishing of the present invention. The patent and its manufacturing methods.

As can be seen from the above structures and embodiments, the present invention has the following advantages:

1. The grinding and polishing tool manufacturing method of the invention can conveniently integrate the soft substrate and the hard abrasive into one body, and can facilitate the grinding and polishing of the soft substrate and the hard abrasive into a spherical shape, a semi-elliptical shape or Shapes such as cylindrical to improve processing efficiency.

2. The polishing and polishing tool of the present invention utilizes a soft substrate to generate cushioning property for processing a workpiece, and the punching force generated when the polishing and polishing member is pressed against the workpiece is greatly reduced, thereby avoiding improper scratching of the workpiece surface, and Causes the loss of grinding and polishing tools.

3. The polishing and polishing tool of the present invention utilizes the elasticity of the soft substrate to produce a large chip evacuation space for polishing and polishing, so as to remove the chip, thereby omitting the use of the slurry. And to prevent the use of corrosive liquids to the environmental load and other benefits.

4. The polishing and polishing tool of the present invention is a polishing substrate composed of a soft substrate and a hard abrasive, combined with a polishing rod, so as to be assembled with the grinding machine, and the polishing rod and the grinding machine are assembled and blasted at one end. The rough surface improves the stability of the polishing rod and the grinding machine after assembly.

In summary, the embodiments of the present invention can achieve the expected functions, and the specific structures disclosed therein have not been seen in the same products, nor have they been disclosed before the application, and have fully complied with the provisions of the Patent Law. It is required that if an application for a patent for invention is filed in accordance with the law, and if the application is granted, the patent will be granted.

(1)‧‧‧Molding mould

(11) ‧‧‧The first model

(111)‧‧‧Move

(12)‧‧‧Second mold

(121)‧‧‧Move

(13)‧‧‧Molding space

(14)‧‧‧Runner

(2) ‧‧‧Materials

(21)‧‧‧Soft substrate

(22)‧‧‧hard abrasives

(3)‧‧‧ Polishing rod

(31)‧‧‧Rough surface

(4)‧‧‧ oven

First Figure: Flow chart of the present invention

Second Figure: Schematic diagram of the implementation state of the present invention

The third figure: a perspective view of a grinding and polishing tool of the present invention

Figure 4: Stereo view of the second grinding and polishing tool of the present invention

Fig. 5 is a perspective view of the three grinding and polishing tools of the present invention

Claims (10)

A polishing and polishing tool mainly comprises a soft substrate and a hard abrasive, and the hard abrasive is uniformly embedded in the soft substrate from the inside to the outside. The polishing and polishing tool according to claim 1, wherein the soft substrate is a polyurethane material. The abrasive polishing tool of claim 1, wherein the hard abrasive is selected from the group consisting of diamond, cubic boron nitride, and tantalum carbide. The abrasive polishing tool of claim 1, wherein the abrasive polishing tool further comprises a polishing rod such that one end of the polishing rod is combined with the soft substrate. The abrasive polishing tool of claim 4, wherein the polishing rod is such that it forms a rough surface with respect to the other peripheral wall of the soft substrate. The abrasive polishing tool of claim 1, wherein the soft substrate is formed into one of a spherical shape, a semi-elliptical shape, or a cylindrical shape. A method for manufacturing a polishing and polishing tool, the implementation steps of which comprise: A. preparing a mold: preparing a molding die, the molding die comprising a first mold core and a second mold core which are mutually opposed, and the first The mold core and the second mold core are provided with opposing mold cavities to jointly form a molding space, and one of the first mold core and the second mold core or a combination thereof is provided with a surface penetrating through the cavity thereof. B. Raw material agitation: the raw material comprises a soft substrate and a hard abrasive, and the soft substrate and the hard abrasive are placed in a container and stirred and mixed; C. Feeding: following the soft base which is uniformly stirred The material and the hard abrasive are poured into the molding space of the molding die by the runner of the molding die; D. Baking: the molding die is continuously placed in an oven to make the soft substrate located in the molding space of the molding die Hot-melting, forming a shape corresponding to the molding space, and combining the hard abrasive with the hot-melt soft substrate; E. Cooling: After the baking is finished, the molding die is continuously taken out of the oven and allowed to stand Cooling; F. Finished product: Open the mold to take out the finished polishing tool made of a soft base material and a hard abrasive material bonded integrally made of the molding die. The method for manufacturing a polishing and polishing tool according to the seventh aspect of the invention, wherein the method for manufacturing the polishing and polishing tool further comprises the step of inserting a polishing rod, and then inserting a polishing rod after the step of feeding Forming a runner of the mold, and positioning one end of the polishing rod in the molding space of the molding die, and placing the molding die inserted with the polishing rod into the oven so that the polishing rod is located at one end of the molding space The hot-melt soft substrate is combined to open the molding die, and the finished grinding and polishing tool which is integrally combined with the soft substrate, the hard abrasive and the polishing rod is taken out. The method for producing a polishing and polishing tool according to claim 8, wherein the polishing rod is sandblasted at a position opposite to the soft substrate to form a rough surface. The method for manufacturing a polishing and polishing tool according to claim 7, wherein the molding die has a molding space of one of a spherical shape, a semi-elliptical shape, or a cylindrical shape.