TW201416178A - Abrasive tool and abrasive tool of machine and processing method thereof and shell processing method - Google Patents

Abstract

The present invention discloses an abrasive tool, an abrasive tool of the three-axis machine, processing method thereof and shell processing method. The abrasive tool includes a center axis. The abrasive tool rotates around the center axis. The abrasive tool includes a fixing end and a grinding end opposite to the fixing end along the extending direction of the axis. The fixing end is used for fix the abrasive tool to the machine. The abrasive tool includes a first grinding part, a second grinding part and a third grinding part. The third grinding part is adjacent to the fixing end. A grinding surface of the first grinding part extends toward away from the center axis from the grinding end to the fixing end. The second grinding part connects the first grinding part and the third grinding part. A grinding surface of the second grinding part is an arc surface.

Description

Grinding tool, three-axis machine table, processing method thereof and processing method of housing

The present invention relates to an abrasive cutter, a three-axis machine having the same, a method of processing the three-axis machine, and a method of processing the casing.

At present, the grinding surface of the grinding tool is usually a cylinder surface. When machining the shell of the hard and brittle material, the grinding tool rotates around its central axis, so that the grinding surface abuts against the side wall of the housing to be ground, and then the side wall of the housing is ground into corresponding s surface. However, with the diversified demands of current electronic products for the shape of the housing used, only abrasive tools and grinding methods capable of forming flat or facets have clearly failed to meet the demand.

In view of the above, it is necessary to provide a polishing tool having different polishing surfaces, a three-axis machine having the polishing tool, a processing method of the three-axis machine, and a processing method of the casing.

An abrasive cutter for mounting on a grinder for grinding an object to be polished, the abrasive cutter having a central axis about which the abrasive cutter is rotatable, the abrasive cutter comprising means for securing the abrasive cutter a fixing portion on the polishing machine table and a polishing portion disposed adjacent to the fixing portion and coaxially disposed, the fixing portion and the polishing portion are both disposed along a direction in which the central axis extends, and the polishing portion includes a first polishing portion in sequence a second polishing portion and a third polishing portion, wherein the third polishing portion is adjacent to the fixing portion, and the first polishing portion is away from the fixing portion, and a polishing surface of the first polishing portion is gradually directed from the polishing portion toward the fixing portion The second polishing portion is connected to the first polishing portion and the third polishing portion, and the polishing surface of the second polishing portion is a curved surface.

A three-axis machine for grinding, comprising a holding portion and a carrying table, the holding portion holding a grinding tool, the holding portion driving the grinding tool in a vertical direction to change the height relative to the loading table, the carrying platform for carrying the to-be-polished An object, and driving the object to be polished to change a horizontal position relative to the grinding tool, thereby changing a contact position of the object to be polished with the grinding tool, wherein the grinding tool has a central axis, and the grinding tool is rotatable about the central axis. The grinding tool includes a fixing portion for fixing the grinding tool to the grinding machine table, and a grinding portion disposed adjacent to the fixing portion and coaxially disposed, the fixing portion and the grinding portion are both disposed along a direction in which the center axis extends. The polishing unit includes a first polishing portion, a second polishing portion, and a third polishing portion, wherein the third polishing portion is adjacent to the fixing portion, and the first polishing portion is away from the fixing portion, and the polishing surface of the first polishing portion is The polishing portion extends in a direction away from the central axis toward the fixing portion, and the second polishing portion connects the first polishing portion and the third polishing portion Polishing and the polishing surface of the second portion of curved surface.

A processing method for grinding an object to be polished by a three-axis machine for grinding comprises: fixing an object to be polished on a carrying platform; adjusting a height position of the grinding tool relative to the object to be polished, wherein the grinding tool has a central axis, and the grinding tool can Rotating around the central axis, the grinding tool includes a fixing portion for fixing the grinding tool to the grinding machine table, and a grinding portion disposed adjacent to the fixing portion and coaxially disposed, the fixing portion and the grinding portion are both The central axis extends in a direction, the polishing portion includes a first polishing portion, a second polishing portion, and a third polishing portion, the third polishing portion is adjacent to the fixing portion, and the first polishing portion is away from the fixing portion, the first The polishing surface of the polishing portion gradually extends away from the central axis from the direction in which the polishing portion is directed to the fixing portion, and the second polishing portion connects the first polishing portion and the third polishing portion, and the polishing of the second polishing portion The surface is a curved surface, so that one of the grinding parts of the grinding tool is set at the position to be polished; the grinding tool is turned on, so that the grinding tool grinds the object to be polished, thereby making the three-axis machine In the grinding process; adjusting the height of the grinding tool relative to the object to be polished and adjusting the horizontal position of the bearing table during the grinding process, so that different grinding portions of the grinding tool correspond to different positions of the object to be polished.

A method for processing a housing includes: fixing a housing to be processed; adjusting a height position of the grinding tool relative to the housing to be processed, wherein the housing to be processed has a bottom surface and at least two sides, and the two sides are inclined at different angles with respect to the bottom surface, the grinding The tool comprises at least two grinding portions and a central axis, wherein the grinding surface of each grinding portion has a different inclination angle with respect to the central axis, and each of the grinding surfaces corresponds to a side surface; and the grinding tool is opened to cause the grinding tool to grind the casing to be processed, the shell to be processed The body is in the grinding process; during the grinding process, the height of the grinding tool relative to the casing to be processed is adjusted and the horizontal position of the grinding tool facing the casing to be machined is adjusted, so that the different grinding portions of the grinding tool correspond to the grinding of the casing to be ground. Different sides.

Compared with the prior art, the grinding surface design of the above grinding tool can make the workpiece to be ground into different cutting surfaces. For example, if the grinding tool is combined with the three-axis processing machine to perform the grinding action, the grinding tool passes through the three-axis processing machine for grinding. By pulling down, the side of the object to be polished with multiple angles or variable angles can be processed, and the three-axis processing machine with the grinding tool can realize the grinding effect of the four-axis and five-axis processing machine. At the same time, the processing path of the three-axis machining machine is simple.

The three-axis machine table and the grinding tool of the present invention can grind the inner side of the object to be polished, the top surface, and the inner side of the object side. The shape of the side surface of the object to be polished after grinding can be polished out of a curved surface or the like in addition to a plane such as a vertical surface or an inclined surface.

Referring to FIG. 1, the grinding tool 200 has a central axis AA. In the present embodiment, the central axis AA is parallel to the Z-axis direction. The abrasive cutter 200 is rotated about the central axis AA to grind the object to be abraded. The grinding tool 200 includes a fixing portion 210 for fixing the grinding tool 200 to the machine table 100 (see FIG. 3), and a grinding portion 220 disposed adjacent to the fixing portion 210 and coaxially disposed. Both the fixing portion 210 and the polishing portion 220 are disposed along the direction in which the central axis AA extends. The polishing portion 220 may have a columnar structure elongated from one end of the fixing portion 210 along the central axis AA, and the polishing portion 220 includes a first polishing portion 221, a second polishing portion 222, and a third polishing portion 223. The third polishing portion 223 is adjacent to the fixing portion 210. The first polishing portion 221 is away from the fixing portion 210. The polishing surface of the first polishing portion 221, that is, the surface of the first polishing portion 221 extends from the polishing portion 220 toward the fixing portion 210 in a direction away from the central axis AA, and the extending path is a curve in the first embodiment. For example, a parabola may be a straight line in other embodiments, as shown in FIG. Specifically, the polishing surface of the first polishing portion 221 may be a substantially conical surface, and the apex angle of the conical surface is not a sharp angle and is a hemispherical round shape; the polishing surface of the first polishing portion 221 may also be a round mesa or a cone Face, as shown in Figure 2. The second polishing portion 222 is connected to the first polishing portion 221 and the third polishing portion 223. The polished surface of the second polishing portion 222, that is, the surface of the second polishing portion 222 is a convex curved surface in the present embodiment. For example, the convex curved surface may also be a concave curved surface in other embodiments. The polished surface of the third polishing portion 223, that is, the surface of the third polishing portion 223 is a cylindrical surface parallel to the central axis AA. In other embodiments, the polishing surface of the third polishing portion 223 gradually extends from the polishing portion 220 toward the fixing portion 210 toward a curved surface or an inclined surface extending in a direction close to the central axis AA, as shown in FIG. 2 . The surface of the first polishing portion 221, the second polishing portion 222, and the third polishing portion 223, that is, the polished surface is plated with a diamond particle layer.

The abrasive material of the abrasive cutter 200 may be a hard and brittle material such as a metal material, a plastic material, a glass material, a ceramic material, or the like.

Referring to FIG. 2, the machine table 100 is a three-axis grinding machine having the above-described grinding tool 200. It is understood that the grinding tool of the present invention can be applied to other machines such as a four-axis machine table, a five-axis machine table, and the like.

The machine table 100 includes a base 110, a carrier 120, a spatial displacement portion 130, and a grinding tool 200. The space displacement portion 130 is disposed on the base 110. The loading table 120 and the grinding tool 200 are fixed on the space displacement portion 130. The loading table 120 is used for carrying and fixing an object to be polished, and the loading table 120 can be displaced along a space. The X, Y of the portion 130 moves toward the track, thereby causing the object to be polished to change relative to the horizontal position of the grinding tool 200. The abrasive cutter 200 is movable along the Z-orbit of the spatial displacement portion 130 to change the longitudinal distance of the abrasive cutter 200 from the object to be abraded, that is, the height of the object to be abraded. The carrying table 120 and the grinding tool 200 can change the relative position of the grinding tool 200 relative to the object to be polished under the driving of the space displacement portion 130, so that the two are located at a desired predetermined position to achieve the purpose of grinding the object to be polished.

Specifically, the space displacement portion 130 includes a first rail 131, a second rail 132, a third rail 133, a grip portion 135, and a drive motor (not shown). The first rail 131 is disposed on the base 110 in the X-axis direction of the coordinate axis as an X-track of the space displacement portion 130. The second rail 132 is mounted above the first rail 131 along the Y-axis direction of the coordinate axis as a Y-orbit of the spatial displacement portion 130. The carrier 120 is movable along the first rail 131 and along the second rail 132 by the drive motor, thereby changing the position of the carrier 120 in the X-Y plane. The third guide rail 133 is disposed on the side wall 111 extending from the upper surface of the base 110 in the Z-axis direction of the coordinate axis, that is, in the vertical direction, as the Z-direction track of the space displacement portion 130. The holding portion 135 is fixed to the third rail 133 for holding and fixing the grinding tool 200, and can be moved up and down along the third rail 133 by the driving motor. The holding portion 135 drives the grinding tool 200 to change the height of the object to be polished relative to the loading table 120 in the Z-axis direction.

The grinding method of the machine table 100 having the grinding tool 200 is detailed, as shown in FIG. 4:

S1: Fix the object to be ground on the carrying platform.

S2: Adjust the relative position of the grinding tool 200 relative to the object to be polished, so that one of the grinding portions of the grinding tool 200 is disposed at the position to be polished.

The driving table 120 and the second rail 132 are driven to move on the first rail 131, and the loading platform 120 moves on the second rail 132, and simultaneously drives the clamping portion 135 to move along the third rail 133, thereby driving the grinding. The tool 200 changes its height position and stops moving at the edge of the solid housing on the carrier 120 where it is to be ground.

S3: The grinding tool 200 is opened to grind the object to be polished, so that the three-axis machine is in the grinding process.

S4: Adjusting the height of the grinding tool 200 relative to the object to be polished and adjusting the horizontal position of the loading table 120 during the grinding process, so that different grinding portions of the grinding tool 200 correspond to different positions of the object to be ground.

For example, the object to be polished includes a first side and a second side disposed adjacent to each other, and the object to be polished is moved along the extending direction of the first side by the first rail 131 or the second rail 132, and the grinding tool 200 is utilized. The first grinding portion 221 grinds the first side surface; when grinding to the turning angle of the first side surface and the second side surface, the distance of the fixing portion 210 relative to the loading table 120 is drawn, and the object to be polished extends along the first side surface During the movement of the direction turning along the extending direction of the second side, the turning angle is ground by the second grinding portion 222; the distance of the fixing portion 210 relative to the loading table 120 is continued to be pulled until the turning of the turning angle is completed; The object to be polished moves along the extending direction of the second side surface, and the second side surface is ground by the third grinding portion 223 of the grinding tool 200.

The processing method of grinding the casing by using the grinding tool 200 is as shown in FIG. 5. Wherein the pre-formed housing shape comprises at least a first side surface and a second side surface, as shown in FIG. 6, the two side surfaces are inclined at different angles with respect to the same horizontal plane (such as the upper and lower surfaces thereof), and the two side surfaces are inclined at an oblique position Correspondingly, the first grinding portion 221 of the grinding tool 200 is used to correspondingly form the first side surface, and the third grinding portion 223 of the grinding tool 200 is configured to correspondingly form the second side surface, and the portion of the rounded corner is The second polishing portion 222 is formed. The specific forming steps include:

S1. Fix the hard and brittle casing to be processed.

S2. Adjusting the relative height position of the grinding tool 200 relative to the housing to be processed by the spatial displacement portion 130, so that the first grinding portion 221 of the grinding tool 200 corresponds to the initial position of the housing to be processed, such as the first side away from the first One end of the two sides.

S3. Grinding the to-be-processed housing by the first grinding portion 221 to form a first side surface.

Specifically, the driving of the grinding tool 200 is rotated, and the movement of the space displacement portion 130 drives the loading table 120 to move from the initial position in the first predetermined direction, so that the first grinding portion 221 of the grinding tool 200 grinds the casing to be processed to form The first side of the grinding is as shown in FIG. 5-7, wherein the first predetermined direction may be the extending direction of the second rail 132.

S4. Driving the driving stage 120 to switch from the first predetermined direction to the second predetermined direction under the driving of the spatial displacement portion 130, and causing the second grinding portion 222 to grind the housing to be processed to form a rounded corner at the intersection of the two sides. .

Specifically, when the grinding tool 200 is operated to the rounded corner, the spatial displacement portion 130 drives the grinding tool 200 to move in the direction of the third rail 133, so that the second grinding portion 222 of the grinding tool 200 contacts the casing to be processed. At the same time, the space displacement portion 130 drives the loading platform 120 to gradually move from the first predetermined direction to move along the second predetermined direction, so that the second grinding portion 222 grinds the casing to be processed to form a rounded portion; The E position in Figure 6.

S5. After the fillet is formed, the space displacement portion 130 adjusts the height of the grinding tool 200 relative to the housing to be processed and maintains movement in the second predetermined direction, so that the third grinding portion 223 of the grinding tool 200 continues to be processed along the workpiece. The body forms a second side, such as the F position in Figures 5-6.

It can be understood that when the housing to be processed has a plurality of the above structures, the above steps S4 and S5 can be repeated, and only the horizontal displacement portion 130 needs to adjust the horizontal position and the height position of the grinding tool 200 with respect to the housing to be processed, so that corresponding The grinding portion can obtain a housing of a desired shape corresponding to grinding the housing to be ground. In addition, the order in which the first side and the second side are formed may be interchanged as needed. Furthermore, the grinding tool 200 can be modified according to the specific shape required for the object to be polished, for example, changing the shape of the grinding surface of the grinding portion 220 of the grinding tool 200 according to the desired side shape of the housing.

When the housing to be ground has an approximately rectangular bottom plate, two oppositely disposed long walls, and two oppositely disposed short walls, as shown in FIG. The position of the outer wall away from the outer edge of the bottom plate (as in the position A in Figures 9 and 10) is approximately flat and inclined to the bottom plate. The outer edge of the short wall is perpendicular to the bottom plate (as in the C position in Fig. 12). The short wall and long wall joints have transitional turning angles, such as the rounded corners described above (see the B position in Figures 9-10). Correspondingly, the first grinding portion 221 of the grinding tool 200 is used to correspondingly form a portion of the long wall of the three-dimensional housing away from the bottom plate, and the third grinding portion 223 of the grinding tool 200 is configured to correspondingly form a short wall, and the portion of the turning angle is The second polishing portion 222 is formed. Specific processing methods include:

S1. Fix the three-dimensional housing to be processed.

S2. Adjusting the relative height position of the grinding tool 200 relative to the housing to be processed by the spatial displacement portion 130 such that the first grinding portion 221 of the grinding tool 200 corresponds to the initial position of the housing to be processed.

S3. Grinding the to-be-processed housing by the first grinding portion 221 to form a first sidewall.

Specifically, the driving of the grinding tool 200 is rotated, and the movement of the space displacement portion 130 drives the loading table 120 to move from the initial position in the first predetermined direction, so that the first grinding portion 221 of the grinding tool 200 grinds the casing to be processed to form The first side wall, such as the grinding at the position of the long wall A of the three-dimensional housing, is as shown in FIGS. 9, 10 and 11, wherein the first predetermined direction may be the extending direction of the second rail 132.

S4. Driving the driving stage 120 from the first predetermined direction to the second predetermined direction under the driving of the spatial displacement portion 130, while causing the second grinding portion 222 to grind the housing to be processed to form a turning angle at which the two sides meet.

Specifically, when the grinding tool 200 is operated to the turning corner, the spatial displacement portion 130 drives the grinding tool 200 to move in the direction of the third rail 133, so that the second grinding portion 222 of the grinding tool 200 is in contact with the casing to be processed. At the same time, the space displacement portion 130 drives the loading platform 120 to gradually move from the first predetermined direction to move along the second predetermined direction, so that the second grinding portion 222 grinds the casing to be processed to form a rounded portion; as shown in FIG. 9 - B position in 10.

S5. After the turning angle is formed, the space displacement portion 130 adjusts the height of the grinding tool 200 relative to the housing to be processed and maintains movement in the second predetermined direction, so that the third grinding portion 223 of the grinding tool 200 continues to be processed along the workpiece to be processed. A second side is formed, as in the C position in FIG.

The grinding surface of the grinding tool 200 is designed to grind the edges of the different shapes, such as the grinding tool 200 and the triaxial processing machine, and the grinding surface of the grinding tool 200 is designed to be polished by the three-axis processing machine. The upper and lower lifting and the horizontal position of the grinding tool 200 relative to the object to be polished can be processed to multi-angle or variable-angle the edge of the object to be polished, so that the three-axis processing machine with the grinding tool 200 has four axes, The grinding effect of the five-axis processing machine.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. The above description is only the preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art will be included in the following claims.

100. . . Machine

110. . . Base

111. . . Side wall

120. . . Carrying platform

130. . . Spatial displacement

200. . . Grinding tool

131. . . First rail

132. . . Second rail

133. . . Third rail

135. . . Holding department

210. . . Fixed part

220. . . Grinding department

221. . . First grinding part

222. . . Second grinding part

223. . . Third grinding part

1 is a schematic perspective view of a grinding tool in a first embodiment of the present invention.

2 is a schematic perspective view of a grinding tool in a second embodiment of the present invention.

3 is a perspective view of a machine having a grinding tool for grinding an object to be polished.

4 is a flow chart of a method for processing an object to be polished by a machine having a grinding tool according to the present invention.

FIG. 5 is a perspective view of the polishing tool grinding plane housing of FIG. 1. FIG.

Figure 6 is a plan view of the planar housing of Figure 5.

Fig. 7 is a left side view of the casing shown in Fig. 6, that is, a schematic view of the casing viewed from the left side of the screen in the left direction.

FIG. 8 is a perspective view of the grinding tool grinding stereoscopic housing of FIG. 1. FIG.

Figure 9 is a plan view of the three-dimensional housing of Figure 8.

Figure 10 is an enlarged view of the portion X in Figure 9.

Figure 11 is a schematic side view of the housing of Figure 8, showing the housing as viewed from the left in the right direction of the screen.

Fig. 12 is a front elevational view of the casing shown in Fig. 8, that is, a view of the casing as viewed from above the screen in the lower direction of the screen.

200. . . Grinding tool

210. . . Fixed part

220. . . Grinding department

221. . . First grinding part

222. . . Second grinding part

223. . . Third grinding part

Claims (15)

An abrasive cutter for mounting on a grinder for grinding an object to be polished, the abrasive cutter having a central axis about which the abrasive cutter is rotatable, the abrasive cutter comprising means for securing the abrasive cutter a fixing portion on the polishing machine table and a polishing portion disposed adjacent to the fixing portion and coaxially disposed, the fixing portion and the polishing portion are both disposed along a direction in which the central axis extends, and the polishing portion includes a first polishing portion in sequence a second polishing portion and a third polishing portion, wherein the third polishing portion is adjacent to the fixing portion, and the first polishing portion is away from the fixing portion, and a polishing surface of the first polishing portion is gradually directed from the polishing portion toward the fixing portion The second polishing portion is connected to the first polishing portion and the third polishing portion, and the polishing surface of the second polishing portion is a curved surface. The polishing tool according to claim 1, wherein the polishing surface of the third polishing portion gradually extends in a direction toward the fixing portion from the polishing portion toward the fixing portion. The grinding tool according to claim 1, wherein the polishing surface of the third polishing portion is a cylindrical surface parallel to the central axis. The grinding tool according to claim 1, wherein the grinding surface of the second grinding portion of the grinding tool is a convex curved surface, a convex curved surface or a concave curved surface. The polishing tool according to claim 1, wherein the polishing surface of the first polishing portion is a conical surface. The abrasive tool according to claim 1, wherein the polishing surface of the first polishing portion is a round mesa. The grinding tool according to claim 1, wherein the material used for the grinding tool is one of metal, plastic, glass, and ceramic. The polishing tool according to claim 1, wherein the surface of the first polishing portion, the second polishing portion, and the third polishing portion, that is, the polishing surface is plated with a diamond particle layer. A three-axis machine for grinding, comprising a holding portion and a carrying table, the holding portion holding a grinding tool, the holding portion driving the grinding tool in a vertical direction to change the height relative to the loading table, the carrying platform for carrying the to-be-polished And the object is driven to change the horizontal position of the object to be polished relative to the grinding tool, thereby changing the contact position of the object to be polished with the grinding tool, wherein the grinding tool is the grinding tool in the first to eighth claims. A processing method for grinding an object to be polished by a three-axis machine for grinding, comprising: fixing an object to be polished on a carrying platform; adjusting a relative position of the grinding tool relative to the object to be polished, wherein the grinding tool is the first patent application scope The grinding tool of the 8th item causes one of the grinding parts of the grinding tool to be set at the position to be grounded; the grinding tool is turned on, so that the grinding tool grinds the object to be ground, so that the three-axis machine is in the grinding process; and the grinding tool is adjusted during the grinding process. Relative to the height of the object to be polished and the horizontal position of the adjustment table, the different grinding portions of the grinding tool are correspondingly arranged to grind different positions of the object to be polished. The processing method of claim 10, wherein the object to be polished is a planar casing having a certain thickness, the planar casing having oppositely disposed upper and lower surfaces, adjacently disposed first side and second a side surface, the movement of the loading platform in a horizontal position is by a first rail comprising one of the first predetermined direction and the second predetermined direction, and a second rail disposed perpendicular to the first rail, the carrier being along the second The movement of the guide rail causes the first grinding portion of the grinding tool to polish the first side of the planar housing such that the first side of the planar housing is an inclined surface, and the angle between the first side and the lower surface is an acute angle, close to the first side and the second side When the corner is turned, the loading platform moves from the second rail to the first rail and moves the fixing portion of the grinding tool toward the planar casing, and the second grinding portion grinds the turning angle between the first side and the second side. The movement of the loading platform along the first rail causes the fixing portion of the grinding tool to continue to move toward the planar housing, and the third grinding portion of the grinding tool is used to grind the second side surface so that the second side is vertically vertical Surface. The processing method of claim 10, wherein the object to be polished is a three-dimensional housing having a bottom plate, adjacent first sidewalls and second sidewalls, and the loading platform moves in a horizontal position. Relying on a first rail comprising one of the first predetermined direction and the second predetermined direction, and a second rail disposed perpendicularly to the first rail, the carrier moving along the second rail to cause the first grinding portion of the grinding tool Grinding a portion of the first side wall of the three-dimensional housing away from the bottom plate, when approaching the turning angle of the first side wall and the second side wall, the loading platform moves from the second rail to the first rail and moves the fixing portion of the grinding tool to the three-dimensional Moving in the direction of the housing, grinding the corners of the first side wall and the second side wall by the second grinding portion, the loading table moves along the first rail, so that the fixing portion of the grinding tool continues to move toward the three-dimensional housing, and the third of the grinding tool is used The grinding portion grinds the second side wall such that the second side wall has an edge of the vertical bottom plate. A method for processing a housing, comprising: fixing a housing to be processed; adjusting a relative position of the grinding tool relative to the housing to be processed, wherein the housing to be processed has a bottom surface and at least two sides, and the two sides have different inclination angles with respect to the bottom surface, The grinding tool comprises at least two grinding portions and a central axis, the angle of inclination of the grinding surface of each grinding portion is different from the central axis, and each of the grinding surfaces corresponds to a side surface; and the grinding tool is opened to cause the grinding tool to grind the casing to be processed, The processing shell is in a grinding process; during the grinding process, the height of the grinding tool relative to the casing to be processed is adjusted and the horizontal position of the grinding tool facing the casing to be processed is adjusted, so that the different grinding portions of the grinding tool correspond to the grinding of the shell to be ground. Different sides of the body. The method for processing a casing according to claim 13, wherein the casing to be processed is a planar casing having a certain thickness, the planar casing having oppositely disposed upper and lower surfaces, and adjacently disposed first a side surface and a second side surface, wherein the second side surface is perpendicular to the upper and lower surfaces, the first side surface is an inclined surface, the angle between the first side surface and the lower surface is an acute angle, and the turning angle of the first side surface and the second side surface is an excessive slope, the grinding of the grinding tool a portion extending along the central axis, the polishing portion sequentially includes a first polishing portion, a second polishing portion, and a third polishing portion. The first polishing portion of the polishing tool polishes the first side of the planar housing, and the first portion a polishing surface of the polishing portion is a surface that gradually extends in a direction away from the central axis from the first polishing portion toward the third polishing portion; and a second polishing portion is used to polish the second surface, the third polishing The surface is a cylindrical surface parallel to the central axis; and the turning angle of the first side surface and the second side surface is polished by the second polishing portion, the polished surface of the second polishing portion is an outer convex curved surface. The processing method of the housing of claim 13, wherein the object to be polished is a three-dimensional housing having a bottom plate, adjacent first sidewalls and second sidewalls, and the first housing The portion of the side wall away from the bottom plate has a face of the inclined bottom plate, the second side wall has an edge of the vertical bottom plate, the turning angle of the first side wall and the second side wall is an excessive inclined surface, and the grinding portion of the grinding tool is disposed along the extending direction of the central axis The polishing unit sequentially includes a first polishing portion, a second polishing portion, and a third polishing portion. The second polishing portion connects the first polishing portion and the third polishing portion, and the first polishing portion is ground by the first polishing portion of the polishing tool. a portion of the first polishing portion that extends away from the first polishing portion toward the third polishing portion and gradually extends away from the central axis, and the third polishing portion of the polishing tool is used. Grinding the second side wall, the polishing surface of the third polishing portion is a cylindrical surface parallel to the central axis, and the second polishing portion is used to polish the turning angle of the first side wall and the second side wall, and the second polishing portion Polishing surface of convex curvature.