TWI704020B - Adjustable fine boring knife - Google Patents

Abstract

The present invention is an adjustable fine boring tool, which mainly includes: a shank body, a coarse and fine adjustment eccentric body, a fine and fine adjustment eccentric body, and a machining tool body, wherein the shank body defines an accommodation space, and the coarse and fine adjustment eccentric body is arranged in the accommodation space and The defined first eccentric inner hole and the accommodating space have different axis centers, the fine adjustment eccentric body is arranged in the first eccentric inner hole and the defined second eccentric inner hole is different from the first eccentric inner hole, and the machining tool body is arranged at In the second position adjustment hole, when adjusting the position of the machining tool body, the mutual eccentricity structure of the coarse and fine adjustment eccentric body and the fine adjustment eccentric body can be used to achieve the effect of coarse and fine adjustment.

Description

Adjustable fine boring knife

The invention is a fine boring knife, especially an adjustable fine boring knife.

According to the traditional precision boring tool, the accuracy of the tool holder displacement must be controlled when the tool position is adjusted. Only by adjusting the accuracy of the tool holder displacement dimension can the required size and tolerance requirements be achieved. In order to correct the size of the boring hole and keep the cutting edge in a fixed manner, and when the size of the blade becomes smaller due to abrasion, the general fine boring tool must be equipped with a fine adjustment structure. However, the fine adjustment structure of the general fine boring tool is driven by a screw. The seat displacement is not only troublesome and inconvenient in operation, but even many fine boring tools are not equipped with fine fine-tuning devices. When the tool seat is actually adjusted to the required processing size, the displacement size of the fine boring tool is often incorrect. It is difficult to fine-tune to the correct value required for its existing problems and deficiencies that have yet to be overcome.

The detailed features and advantages of the present invention are described in detail in the following embodiments, and the content is sufficient to enable anyone familiar with the relevant art to understand the technical content of the present invention and implement it accordingly, and according to the content disclosed in this specification, the scope of patent application and the drawings Anyone who is familiar with the relevant art can easily understand the related purpose and advantages of the present invention.

The main purpose of the present invention is to use the mutual eccentric structure of the coarse and fine adjustment eccentric body and the fine and fine adjustment eccentric body to achieve the effect of coarse and fine adjustment.

To achieve the above objective, the present invention is an adjustable fine boring tool, which includes: a shank body, which defines an accommodating space; a coarse and fine adjustment eccentric body, which is arranged in the accommodating space, and the coarse and fine adjustment eccentric body defines A first eccentric inner hole with a different axis from the accommodating space, at least one first adjustment hole communicating with the first eccentric inner hole, and forming a plurality of positioning portions; The fine adjustment eccentric body is arranged in the first eccentric inner hole and defines a second eccentric inner hole with a different axis from the first eccentric inner hole, and at least one second eccentric adjustment hole communicating with the second eccentric inner hole And an abutting portion for the rough and fine adjustment eccentric body to resist, the abutting portion defines a positioning scale that can be aligned and adjusted with the positioning portion; and a processing tool body including a device for the abutting portion to resist The tool abutment portion of the tool, a fixed rod extending from the tool abutment portion and arranged in the second position adjustment hole, and a tool structure extending in the opposite direction from the tool abutment portion.

According to an embodiment of the present invention, each of the positioning parts is sequentially arranged according to the rotation direction of the coarse and fine adjustment eccentric body.

According to an embodiment of the present invention, the cutter bar body is provided with a positioning member for fixing the coarse and fine adjustment eccentric body.

According to an embodiment of the present invention, the fixing rod forms at least one fixing hole.

According to an embodiment of the present invention, it further includes at least one fixing element, which is disposed on the shank body and passes through the first relief adjustment hole and the second relief adjustment hole to fix or loosen the fixing hole.

According to an embodiment of the present invention, the fixing rod is located at the fixing hole to form a fixing surface for the fixing member to be locked.

According to an embodiment of the present invention, the outer diameters of the tool bar body, the coarse and fine adjustment eccentric body, the fine and fine adjustment eccentric body, and the machining tool body are the same axis.

According to an embodiment of the present invention, the machining tool body is provided with a tool.

According to an embodiment of the present invention, the tool abutment portion is provided with a calibration reference that can adjust the distance corresponding to the positioning portion or the positioning scale.

1: Fine boring knife

10: Toolholder body

100: accommodation space

102: locator

12: Coarse and fine adjustment of eccentric body

120: The first eccentric inner hole

122: First Gap Adjustment Hole

124: Positioning Department

14: Fine adjustment of eccentric body

140: second eccentric inner hole

142: Second Gap Adjustment Hole

144: Arrival Department

1440: positioning scale

16: Machining tool body

160: Tool stop

1600: Calibration benchmark

162: fixed rod

1620: fixed hole

1622: fixed surface

164: Tool structure

166: Tool

18: fixed parts

P1: The first axis

P2: second axis

Figure 1 is a perspective view of a preferred embodiment of the present invention.

Figure 2 is a three-dimensional exploded schematic view of a preferred embodiment of the present invention.

3 is a top view of the eccentric position of the coarse and fine adjustment eccentric body and the fine and fine adjustment eccentric body of the present invention.

Fig. 4 is a schematic diagram of the use state of the eccentric body for adjusting coarse and fine adjustment of the present invention.

Figure 5 is a schematic diagram of the use state of the fine adjustment eccentric body of the present invention.

The following specific examples illustrate the implementation of the present invention. Those familiar with the art can easily understand the other advantages and effects of the present invention from the content disclosed in this specification.

The structure, ratio, size, etc. shown in the drawings in this specification are only used to match the content disclosed in the specification for the understanding and reading of those familiar with the art, and are not intended to limit the implementation of the present invention. Conditions, so it has no technical significance. Any structural modification, proportional relationship change or size adjustment should still fall under the present invention without affecting the effects and objectives that the present invention can produce. The technical content disclosed must be within the scope. At the same time, the terms such as "one", "two", "shang", etc. cited in this specification are only for ease of description and are not used to limit the scope of the present invention, the change in their relative relationship or Adjustments, without substantial changes to the technical content, should also be regarded as the scope of the present invention.

Please refer to FIG. 1, FIG. 2 and FIG. 3. The present invention is a three-dimensional schematic diagram, a three-dimensional exploded schematic diagram, and a top view of the eccentric position of the coarse and fine adjustment eccentric body and the fine adjustment eccentric body of a preferred embodiment. The present invention is an adjustable fine boring tool. The fine boring tool 1 mainly includes: a tool holder body 10, a coarse and fine adjustment eccentric body 12, a fine and fine adjustment eccentric body 14, and a machining tool body 16, wherein the tool holder body 10 defines an accommodation space 100 , And a positioning member 102 is provided, and the positioning member 102 can be used to fix the coarse and fine adjustment eccentric body 12. The coarse and fine adjustment eccentric body 12 is disposed in the accommodating space 100 and defines a first eccentric inner hole 120, a first adjustment hole 122 and a positioning portion 124, wherein the first eccentric inner hole 120 The axis is different from the accommodating space 100, and the first position adjustment hole 122 formed on the coarse and fine adjustment eccentric body 12 communicates with the first eccentric inner hole 120. As for the positioning portion 124, the rotation direction of the eccentric body 12 is adjusted according to the coarse and fine adjustment. Set in order.

In addition, the fine adjustment eccentric body 14 is disposed in the first eccentric inner hole 120 and defines a second eccentric inner hole 140, a second relief adjustment hole 142, and a stop portion 144. The second eccentric inner hole 140 and the first eccentric hole The inner hole 120 has a different axis, and the second eccentric adjustment hole 142 formed on the fine adjustment eccentric body 14 communicates with the second eccentric inner hole 140. As for the abutment portion 144, the coarse and fine adjustment eccentric body 12 is held by the A positioning scale 1440 is defined on the abutting portion 144, and the positioning scale 1440 can be aligned and adjusted with the positioning portion 124.

Furthermore, the machining tool body 16 includes a tool abutment portion 160, a fixed rod 162, and a tool structure 164. The tool abutment portion 160 is supported by the abutment portion 144, and the fixed rod 162 is extended and arranged by the tool abutment portion 160. At least one fixing hole 1620 is formed in the second position adjustment hole 142, and the tool abutment portion 160 extends the tool structure 164 in the opposite direction, and the tool structure 164 is provided with a tool 166. In addition, the tool abutment portion 160 has The calibration datum 1600 can adjust the distance corresponding to the positioning portion 124 or the positioning scale 1440.

It further includes at least one fixing member 18, which is disposed on the tool bar body 10 and passes through the first and second adjustment holes 122 and 142 to fix or loosen the fixing holes 1620. Since the fixing rod 162 is located A fixing surface 1622 is formed at the fixing hole 1620 to allow the fixing member 18 to be locked and fixed. It is worth mentioning that the outer diameters of the tool bar body 10, the coarse and fine adjustment eccentric body 12, the fine and fine adjustment eccentric body 14, and the machining tool body 16 are the same axis.

4 and 5 together, which are a schematic diagram of the use state of the coarse and fine adjustment eccentric body and the use state of the fine and fine adjustment eccentric body of the present invention. As can be understood from the figures, in order to clearly see the internal structure, the illustration of the tool bar body 10 is omitted. For coarse and fine adjustment and fine adjustment, the coarse and fine adjustment 0.1~0. and the fine adjustment 0.01~0.09 are taken as examples, and the deviation can be adjusted through coarse and fine adjustment. The positioning portion 124 on the core body 12 and the positioning scale 1440 on the fine adjustment eccentric body 14 cooperate with each other to adjust the required position of the machining tool body 16 (refer to FIG. 1). In detail, when performing coarse and fine adjustments, first fix the positioning member 102 on the arbor body 10 to the positioning portion 124 of the coarse and fine adjustment eccentric body 12 (refer to FIG. 2), so that the coarse and fine adjustment eccentric body 12 and the fine adjustment eccentric body 14 Through the first eccentric inner hole 120 and the fine adjustment of the outer diameter of the eccentric body 14 therebetween, the rough and fine adjustment offset of the machining tool body 16 is changed (refer to FIG. 3 at the same time). As for the fine adjustment, the coarse and fine adjustment eccentric body 12 and the fine adjustment eccentric body 14 are fixed, and the second clearance adjustment hole 142 and the outer diameter of the fixing rod 162 are mutually rotated (also refer to Fig. 3) to change the machining tool body 16 Fine-tune the offset.

It can be seen from the above that the present invention mainly utilizes the first axis P1 of the coarse and fine adjustment eccentric body 12 in the first eccentric inner hole 120 and the second axis P2 of the fine adjustment eccentric body 14 in the second eccentric inner hole 140 using mutually eccentric structures. To achieve the effect of coarse and fine adjustment.

The above-mentioned embodiments are merely illustrative to illustrate the principles and effects of the present invention, and are not used to limit the present invention. Anyone familiar with the art can modify the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention should be as listed in the scope of patent application described later.

102: locator

12: Coarse and fine adjustment of eccentric body

120: The first eccentric inner hole

14: Fine adjustment of eccentric body

140: second eccentric inner hole

P1: The first axis

P2: second axis

Claims (9)

An adjustable fine boring tool, comprising: a shank body which defines an accommodating space; a coarse and fine adjustment eccentric body which is arranged in the accommodating space, and the coarse and fine adjustment eccentric body defines an axis different from the accommodating space The first eccentric inner hole of the center, at least one first adjustment hole communicating with the first eccentric inner hole, and a plurality of positioning portions are formed; a fine adjustment eccentric body is disposed in the first eccentric inner hole and defines a and The first eccentric inner hole has a second eccentric inner hole with a different axis, at least one second adjustment hole communicating with the second eccentric inner hole, and a resisting portion for the coarse and fine adjustment eccentric body to resist. The stop portion defines a positioning scale that can be aligned and adjusted with the positioning portion; and a processing tool body, which includes a tool abutment portion for the abutment portion to resist and set, and a tool abutment portion extending from the tool abutment portion and arranged at The fixed rod in the second position adjustment hole and a cutter structure extending in the opposite direction from the cutter stop. For the adjustable fine boring tool described in item 1 of the scope of patent application, the positioning parts are arranged in sequence according to the rotation direction of the coarse and fine adjustment eccentric body. The adjustable fine boring tool described in item 1 of the scope of patent application, wherein the tool bar body is provided with a positioning member for fixing the coarse and fine adjustment eccentric body. The adjustable fine boring tool described in item 1 of the scope of patent application, wherein the fixing rod forms at least one fixing hole. As described in item 4 of the scope of patent application, the adjustable fine boring tool further includes at least one fixing member, which is disposed on the shank body and passes through the first and second adjustment holes for relieving The fixing hole is fixed or loose. The adjustable fine boring tool described in item 5 of the scope of patent application, wherein the fixing rod is located at the fixing hole to form a fixing surface for the fixing member to be locked. The adjustable fine boring tool described in item 1 of the scope of patent application, wherein the outer diameters of the shank body, the coarse and fine eccentric body, the fine and fine eccentric body and the machining tool body are the same axis. The adjustable fine boring tool described in item 1 of the scope of patent application, wherein the processing tool body is provided with a tool. For the adjustable fine boring tool described in item 1 of the scope of patent application, the tool abutting portion is provided with a calibration reference that can adjust the distance corresponding to the positioning portion or the positioning scale.

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