TWI422446B - An annular deep hole processing apparatus and a method of machining the inner wall of the workpiece - Google Patents

Description

Annular deep hole processing device and method for processing inner wall of workpiece

The present invention relates to an annular deep hole processing apparatus.

The mechanical processing of the production line machinery is nothing more than the on-site machining of the production equipment using the on-site processing equipment, or the equipment is dismantled and sent to the logistics maintenance factory for processing on various processing machine tables.

However, for some large-scale workpieces, in the production process of new products, the workpiece is often divided into several parts in order to save material cost, easy processing, convenient transportation, etc., and then separately welded together, such as a large transmission shaft. Or the production equipment has the relevant position and size requirements after installation on the line. In the process of disassembly and assembly, there are large-scale equipment components with precision recovery concerns, such as large DC motors and rolling mill bases. Therefore, many machining operations are necessary to make complete considerations from the final overall shape of the workpiece, or along with other ancillary equipment assembled. Such a processing type often forms a special processing type of ultra-long, super-wide, ultra-deep, etc., which far exceeds the processing stroke of a general processing machine or requires an extra long special processing tool to achieve the purpose.

In view of this, there is a need to propose a solution to solve the above problems.

The invention provides a processing device comprising: an outer ring body for fixing on an inner wall of a workpiece; an inner ring body disposed in the outer ring body and rotatable in the outer ring body; a fixing seat disposed at The inner wall of the inner ring body; and a cutting tool connected to the fixing seat.

The invention further provides a method for processing an inner wall of a workpiece by the processing device, comprising: fixing an outer ring body on an inner wall of the workpiece; rotating the inner ring body; and starting a cutting tool to face the inner wall of the workpiece machining.

The processing apparatus according to the present invention is suitable for processing the annular inner wall of the workpiece, particularly where the deep lathe is difficult to machine. Since the cutting tool can rotate with the inner ring, the flatness of the treated inner wall can remain substantially the same everywhere.

The above and other objects, features, and advantages of the present invention will become more apparent from the accompanying drawings. In the description of the present invention, the same components are denoted by the same reference numerals and will be described.

Referring to FIGS. 1 to 3, the processing apparatus 100 of the present invention includes an outer ring body 110, an inner ring body 120, a fixing base 130, and a cutting tool 140. The inner ring body 120 is disposed in the outer ring body 110. And coaxial with the outer ring body 110, and can rotate within the outer ring body 110. The fixing seat 130 is fixed to the inner wall of the inner ring body 120, and the cutting tool 140 is connected to the fixing base 130. When the fixing seat 130 rotates with the inner ring body 120, the cutting tool 140 can be driven to rotate. In order to rotate the inner ring body 120, a plurality of needle rollers or balls 160 are disposed between the inner and outer ring bodies 120, 110. Further, the inner ring body 120 is provided with continuous teeth 122 on the inner wall near one end thereof, which meshes with a gear 152 driven by a drive motor 150. When the gear 152 is rotated by the drive motor 150, it can drive the inner ring body 120 to rotate. On the inner wall of the outer ring body 110, a plurality of screw holes 112 are formed through the outer wall.

Referring to Figures 4 and 5, when the processing apparatus 100 of the present invention is used, the processing apparatus 100 is placed inside the workpiece 190 to be processed, and the fixing bolt 170 is passed through the screw hole 112 to abut against the inner wall of the workpiece 190. Upper, the outer ring body 110 is fixed in the workpiece 190, and the fixing bolt 170 is adjusted to make the outer ring body 110 concentric with the workpiece 190 to be processed. At this time, the startable cutting tool 140 allows a person to cut the inner wall of the workpiece 190 near the cutting tool 140. When the cutting tool 140 rotates with the inner ring body 120, the adjacent inner wall of the other side can be cut. In this way, the inner wall of the annular workpiece 190 can be continuously cut.

The processing apparatus of the present invention is suitable for processing the annular inner wall of a workpiece, particularly where the deep lathe is difficult to machine. Since the cutting tool can rotate with the inner ring, the flatness of the treated inner wall can remain substantially the same everywhere.

While the present invention has been disclosed by the foregoing examples, it is not intended to be construed as limiting the scope of the invention, and the invention may be modified and modified without departing from the spirit and scope of the invention. Therefore, the scope of the invention is defined by the scope of the appended claims.

100. . . Processing device

110. . . Outer ring

112. . . Screw hole

120. . . Inner ring

122. . . Row of teeth

130. . . Fixed seat

140. . . Cutting tool

150. . . Drive motor

152. . . gear

160. . . Ball/needle

170. . . Fixing bolts

190. . . Workpiece

Figure 1 is an exploded view of the processing apparatus of the present invention.

Figure 2 is a perspective view of a processing apparatus of the present invention.

Figure 3 is another perspective view of the processing apparatus of the present invention.

Figure 4 is a side elevational view of the processing apparatus of the present invention mounted within a workpiece.

Figure 5 is a cross-sectional view showing the processing apparatus of the present invention installed in a workpiece.

110. . . Outer ring

112. . . Screw hole

120. . . Inner ring

122. . . Row of teeth

130. . . Fixed seat

140. . . Cutting tool

150. . . Drive motor

152. . . gear

160. . . Ball/needle

170. . . Fixing bolts

190. . . Workpiece

Claims (8)

A processing device comprising: an outer ring body for fixing on an inner wall of a workpiece; an inner ring body disposed in the outer ring body and rotatable in the outer ring body; a fixing seat disposed at An inner wall of one of the inner ring bodies; and a cutting tool coupled to the fixed seat. The processing device of claim 1, further comprising: a driving motor for rotating the inner ring body. The processing device of claim 2, wherein the inner ring body has a row of teeth formed on the inner wall, the processing device further comprising: a gear meshing with the tooth and connected to the driving motor, Used to drive the inner ring body. The processing device of claim 2, wherein the outer ring body is provided with a plurality of screw holes on the surface thereof for receiving a plurality of fixing bolts for fixing on the inner wall of the workpiece. A method of processing an inner wall of a workpiece, comprising: providing a processing device according to claim 1; fixing the outer ring body to an inner wall of the workpiece; rotating the inner ring body; and starting The cutting tool is machined to the inner wall of the workpiece. The method of claim 5, further comprising: adjusting the outer ring to be concentric with the workpiece. The method of claim 5, wherein the outer ring body is provided with a plurality of screw holes on the surface thereof, and the step of fixing the outer ring body inside the workpiece comprises: providing a plurality of fixing bolts; The fixing bolts pass through the screw holes and abut against the inner wall of the workpiece. The method of claim 7, further comprising: adjusting the outer ring body to be concentric with the workpiece.