TWM560956U - High-speed drill tool for improving standard blade utilization - Google Patents

Abstract

The present invention provides a fast bit cutter capable of improving the utilization of a standard blade, which mainly comprises: a cutter, a first blade and a second blade, the cutter has a front end portion, and the first and second blades are respectively arranged at intervals The front end portion has a height difference between the first and second blades and is thus used for a corresponding machining program. Wherein, the first and second blades each have an 80 degree diamond structure, and correspondingly form a first acute angle, a second acute angle, a first obtuse angle, a second obtuse angle and four cutting surfaces, when the first and second When one of the blades wears, it is correspondingly flipped and replaced with one of the first and second blades that are not worn.

Description

Fast bit tool for improved standard blade utilization

This creation relates to a fast bit tool, and in particular to an innovative structural type revealer of a fast bit tool that improves the utilization of standard inserts.

According to the machining tools currently used in the industry, it is usually necessary to have a variety of different functions and sizes of machining tools according to different machining procedures (for example: inner, outer diameter, end turning tools, drilling tools, milling cutters or special tools). As a result, it is bound to increase equipment costs for the industry. In addition, the standard blade of the conventional processing tool has to be discarded after being worn at a part of the end angle, and can no longer be used, resulting in considerable use, operating cost, and waste of resources, which is necessary for improvement.

Therefore, in view of the problems existing in the above-mentioned conventional processing tool blades, how to develop an innovative structure that is more ideal and practical, is expected by the users, and is also related to the industry's efforts to develop breakthrough goals and directions.

In view of this, the creator has been engaged in the manufacturing development and design experience of related products for many years. After the detailed design and careful evaluation of the above objectives, the creator will have a practical and practical creation.

The main purpose of this creation is to provide a fast bit tool that can improve the utilization of standard blades. The technical problem to be solved is to quickly develop a new type that is more ideal and practical to improve the utilization rate of standard blades. The bit tool structure type is an innovative breakthrough for the goal.

The technical feature of the present problem solving problem lies mainly in the fast bit tool which can improve the utilization of the standard blade, and mainly comprises: a cutter, a first blade and a second blade, the cutter has a front end portion, and the first and second The blades are respectively disposed at intervals corresponding to the front end portion, and have a height difference between the first and second blades, and thus are used for corresponding processing procedures. Wherein, the first and second blades each have an 80 degree diamond structure, and correspondingly form a first acute angle, a second acute angle, a first obtuse angle, a second obtuse angle and four cutting surfaces, when the first and second When one of the blades wears, it is correspondingly flipped and replaced with one of the first and second blades that are not worn.

With this innovative and unique design, this creation has the functions of drilling and milling at the same time compared with the prior art, that is, the creation can be used as a special tool such as a drill, a milling cutter and a reaming knife, and can be used as Inlet oblique drilling, semi-hole machining, reaming machining, cross hole machining, boring machining, outer diameter machining, end face machining, etc., to solve the problem that the manufacturer must prepare cutting bits of various sizes and uses, and increase the use cost. The problem. In addition, the first and second blade systems are replaceably mounted on the front end portion of the cutter, and when one of the first and second blades is worn, it is replaced and reused, and the proper cutting can be maintained for a long period of time. performance. Therefore, it has special practical progress and better industrial utilization benefits.

Please refer to Figures 1 to 5 for a preferred embodiment of a fast bit tool that can improve the utilization of standard blades. However, these embodiments are for illustrative purposes only and are not subject to this structure in patent applications. limit. The fast bit cutter 10 capable of improving the utilization of the standard blade includes a cutter 10, a first blade 20 and a second blade 30. The cutter 10 has a front end portion 11, and the first and second blades 20 and 30 are respectively spaced apart. It is disposed at the front end portion 11, and has a height difference between the first and second blades 20, 30, and thus is used for a corresponding machining program. When one of the first and second blades 20, 30 is worn out, it is replaced and reused, and proper cutting performance can be maintained for a long period of time. In other embodiments, the first and second blades 20, 30 can be replaced with the same type of blade when worn, thereby achieving better cutting efficiency.

The front end portion 11 of the cutter 10 has a first chip flute 12 and a second chip flute 13 disposed at a corresponding interval, and the tool 10 defines a center axis L1, the first chip flute 12 The top edge of the groove wall has a first groove 121 away from the central axis L1, and the top edge of the groove wall of the second chip discharge groove 13 has a second groove 131 adjacent to the central axis L1, and The first and second blades 20 and 30 are the same size and are interchangeably disposed in the first and second grooves 121 and 131.

The first blade 20 is formed in an 80-degree diamond structure, and a first acute angle 201, a second acute angle 202, a first obtuse angle 203, a second obtuse angle 204, and four cutting faces 22 are formed correspondingly. The first groove 121 of the first chip evacuation groove 12 is configured to receive the first blade 20, and the first blade 20 is provided with a first locking hole 23 at a central position thereof and is passed through a bolt 40. The first locking hole 23 is fixed to the first groove 121 and the first blade 20 is fixed to the first groove 121. One of the first and second acute angles 201, 202 of the first blade 20 protrudes from the end surface and the peripheral edge of the front end portion 11 and has an exposed distance D1 with respect to the periphery of the front end portion 11, thereby causing the first blade 20 to be The adjacent cutting faces 22 correspond to the end faces and the peripheral edges of the front end portion 11. Further, the first blade 20 is disposed obliquely from the inner side to the outer side with respect to the central axis L1, and the inclination angle θ1 is between 3 and 8 degrees. In this example, the inclination angle θ1 of the first blade 20 with respect to the end surface of the front end portion 11 is 4 degrees.

The second blade 30 is formed in an 80-degree diamond structure, and a first acute angle 301, a second acute angle 302, a first obtuse angle 303, a second obtuse angle 304, and four cutting faces 32 are formed. The second groove 131 of the second chip evacuation groove 13 is configured to receive the second blade 30, and a second locking hole 33 is disposed at a center of the second blade 30 and is passed through a bolt 40. The second locking hole 33 is disposed on the second locking hole 33 and is fixed to the second groove 131. One of the first and second obtuse angles 303, 304 of the second blade 30 protrudes from the end surface of the front end portion 11, thereby causing the two adjacent cutting faces 32 of the second blade 30 to correspond to the end faces of the front end portion 11, and The two blades 30 have a contraction distance D2 with respect to the periphery of the front end portion 11.

Further, the second blade 30 is inclinedly inclined from the inside to the outside with respect to the center axis L1, and the inclination angle θ2 is between 3 and 8 degrees. In this example, the inclination angle θ2 of the second blade 30 with respect to the end surface of the front end portion 11 is 6 degrees. In addition, the rotary cutting positions of the first and second blades 20, 30 via the central axis L1 are arranged in an alternating continuous arrangement, and the first blade 20 is away from the first and second acute angles 201, 202 of the end surface of the front end portion 11. One of the first and second obtuse angles 303, 304 of the second blade 30 away from the end surface of the front end portion 11 is provided with a predetermined distance D3 therebetween, and is respectively located on different planes, so that When drilling and milling, the effect of segmentation cutting is caused by the difference between the first and second blades 20 and 30.

In this example, when one of the first and second blades 20, 30 is worn, it is correspondingly turned over, replaced with one of the first and second blades 20, 30 that are not worn. In particular, when the first acute angle 201 of the first blade 20 is worn, it is used in response to flipping the second acute angle 202 of the first blade 20 that is not worn. When the first obtuse angle 303 of the second blade 30 is worn, it is used in response to flipping the second obtuse angle 304 of the second blade 30 that is not worn. When the first and second acute angles 201, 202 of the first blade 20 are worn, the second blade 30, which is not worn by the first and second acute angles 301, 302, is replaced for use. When the first and second obtuse angles 303, 30 of the second blade 30 are already worn, the first blade 20, which is not worn by the first and second obtuse angles 203, 204, is replaced for use. Thereby, the end angles which are not originally used for the first and second blades 20, 30 are fully utilized, and can be reused, and the proper cutting performance can be maintained for a long period of time.

With the above structural composition design, the use case of the present invention is explained as follows: as shown in FIG. 6, it indicates that the present application is applied to the milling process by the first blade 20 and the first acute angle 201 and its adjacent cutting. Face 22 performs the milling operation on a workpiece 60.

As shown in FIG. 7, it shows that the present invention is applied to a drilling and reaming process. First, the first acute angle 201 passing through the first blade 20 and its adjacent cutting surface 22, and the first obtuse angle 303 of the second blade 30 are transmitted. And its adjacent cutting face 32, the work of drilling the workpiece 60. Next, the tool 10 is retracted to the appropriate position, and an additional reaming process is performed by the first blade 20. Therefore, this creation can be used as a special tool such as a drill, a milling cutter, a reaming knife, etc., and can be used as an inlet oblique drilling, a half hole machining, a reaming machining, a cross hole machining, a boring machining, and an outer diameter. Processing, end face processing and other purposes.

As shown in FIGS. 8 and 9, another embodiment of the present invention is mainly different from the preferred embodiment in that the front end portion 11 further has a third chip evacuation groove 15 and a third chip evacuation groove 15 . The first and second chip evacuation grooves 12 and 13 are spaced apart from each other, and the groove wall top edge of the third chip discharge groove 15 has a third groove 151 for a third blade 50. The three grooves 151 are located between the central axis L1 and the periphery of the front end portion 11.

The third blade 50 is formed in an 80-degree diamond structure, and is formed with a first acute angle 501, a second acute angle 502, a first obtuse angle 503, a second obtuse angle 504, and four cutting faces 52. The third groove 151 of the third chip evacuation groove 15 is configured to receive the third blade 50, and the third blade 50 is provided with a third locking hole 53 at a central position thereof and is passed through a bolt 40. The third locking hole 53 is screwed to the third groove 151, and the third blade 50 is fixed to the third groove 151. One of the first and second obtuse angles 503, 504 of the third blade 50 protrudes from the end surface of the front end portion 11, whereby at least one of the cutting faces 52 of the third blade 50 corresponds to the end surface of the front end portion 11, and the third blade The contraction distance D5 of the third blade 50 is different from the circumferential distance D2 of the second blade 30 (please refer to Figures 3 and 8).

Further, the third blade 50 is inclinedly inclined from the inside to the outside with respect to the center axis L1, and the inclination angle thereof is between 3 and 8 degrees. In this example, the angle of inclination of the third blade 50 with respect to the end surface of the front end portion 11 is 6 degrees. Furthermore, the rotary cutting positions of the first, second and third blades 20, 30, 50 via the central axis L1 are arranged in an alternating continuous arrangement, and the first blade 20 is away from the first and second acute angles of the end surface of the front end portion 11. One of 201, 202 corresponds to one of the first and second obtuse angles 303, 304, 503, 504 that is higher than the second and third blades 30, 50 away from the end surface of the front end portion 11, and the third blade 50 is One of the first and second obtuse angles 503, 504 is higher than one of the first and second obtuse angles 303, 304 of the second blade 30, so that one of the first and second obtuse angles 503, 504 of the third blade 50 is respectively There is a predetermined distance D6, D7 between one of the first and second acute angles 201, 202 of the first blade 20 and one of the first and second obtuse angles 303, 304 of the second blade 30, so that they are respectively located differently on flat surface.

In this example, when one of the first, second, and third blades 20, 30, 50 is worn, it is correspondingly inverted, replaced with one of the first, second, and third blades 20, 30, 50 that are not worn. Thereby, the end angles which are not originally used for the first, second and third blades 20, 30, 50 are fully utilized, and can be reused and maintained for a long time to maintain proper cutting performance. In addition, according to different degrees of wear of the first, second and third blades 20, 30, 50, the corresponding cutting efficiency can be achieved.

Efficacy Description: The “High-speed Drill Tool that can improve the utilization of standard blades” is mainly created by the innovative unique structure and technical features of the tool, a first blade and a second blade. Compared with the conventional structure proposed in [Prior Art], this creation has the functions of drilling and milling, that is, the creation can be used as a special tool such as a drill, a milling cutter, a reaming knife, etc., and can be used as an entrance oblique. For drilling, semi-hole machining, reaming machining, cross hole machining, boring machining, outer diameter machining, end face machining, etc., to solve the problem that the manufacturer must prepare cutting bits of various sizes and uses, and increase the cost of use. . In addition, the first and second blade systems are replaceably mounted on the front end portion of the cutter, and the first blade and the second blade are replaced and reused after being worn, and the first blade of the present invention After wear, it can be replaced with other standard blades that have been used. The end angle of the standard blade at an acute angle is not worn and can be reused. In addition, the second blade of the present invention can also be replaced with a worn first blade, and can also be replaced with other standard blades that have been used. The standard blade has an obtuse angle and the end angle is not worn and can be reused. This allows the creation to maintain proper cutting performance over the long term. Therefore, it is particularly practical and progressive.

10‧‧‧Tools
11‧‧‧ front end
12‧‧‧First chip trench
121‧‧‧First groove
13‧‧‧Second chip drain
131‧‧‧second groove
15‧‧‧ Third chip trench
151‧‧‧ third groove
20‧‧‧ first blade
23‧‧‧First keyhole
30‧‧‧second blade
33‧‧‧Second keyhole
40‧‧‧ bolt
50‧‧‧ third blade
53‧‧‧ third keyhole
22, 32, 52‧‧‧ cutting faces
201, 301, 501‧‧‧ first acute angle
202, 302, 502‧‧‧ second acute angle
203, 303, 503‧‧‧ first obtuse angle
204, 304, 504‧‧‧ second obtuse angle
L1‧‧‧ central axis
D1‧‧‧Exposed distance
D2, D5‧‧‧ contraction distance
D3, D6, D7‧‧‧predetermined distance θ1, θ2‧‧‧ tilt angle
60‧‧‧Workpiece

Figure 1 is a perspective view of a combination of preferred embodiments of the present invention. Fig. 2 is an exploded perspective view of Fig. 1. Figure 3 is a plan view of Figure 1. Fig. 4 is a partial side elevational view of Fig. 1 showing the arrangement relationship of the first and second blades. Figure 5 is a partial side elevational view of Figure 1 showing the corresponding oblique configuration of the first and second blades. Figure 6 is a schematic diagram of the use case of this creation. Figure 7 is a schematic diagram of the use case of this creation. Figure 8 is a plan view of another variation of the present invention. Figure 9 is a partial side elevational view of Figure 8 showing the oblique configuration of the third blade.

Claims (6)

A rapid drill tool capable of improving the utilization of a standard blade, comprising a cutter, a first blade and a second blade, wherein: the cutter has a front end portion having a first chip groove spaced apart from each other a groove and a second chip evacuation groove, and the tool defines a central axis, the top edge of the groove wall of the first chip discharge groove has a first groove away from the central axis, and the second chip groove The top edge of the groove wall of the groove has a second groove adjacent to the central axis, and the first and second blades are of the same size and are interchangeably disposed in the first and second grooves; A blade has an 80 degree diamond structure, and correspondingly forms a first acute angle, a second acute angle, a first obtuse angle, a second obtuse angle and four cutting surfaces, and the first and second acute angles of the first blade One of the protrusions protrudes from the end surface and the periphery of the front end portion, and has an exposed distance from the circumference of the front end portion, and the first blade is inclined from the inner side to the outer side with an inclination angle of 3 to 8 degrees. Between; and the second The blade has an 80 degree diamond structure, and correspondingly forms a first acute angle, a second acute angle, a first obtuse angle, a second obtuse angle and four cutting faces, and the first and second obtuse angles of the second blade One of the portions protrudes from the end surface of the front end portion and has a retracting distance with respect to the circumference of the front end portion, and the second blade is inclined from the inner side to the outer side with an inclination angle of 3 to Between 8 degrees; wherein the first and second blades are arranged in an alternating continuous arrangement through the central axis, and one of the first and second acute angles of the first blade away from the end of the front end is higher than The second blade is away from one of the first and second obtuse angles of the front end end face, and one of the first and second acute angles of the first blade and one of the first and second obtuse angles of the second blade A predetermined distance is located on different planes; wherein, when one of the first and second blades is worn, it is correspondingly inverted and replaced with one of the first and second blades that are not worn. The fast bit cutter capable of improving the utilization of the standard blade according to claim 1, wherein the first blade has an inclination angle of 4 degrees with respect to the end surface of the front end portion, and the second blade is opposite to the end surface of the front end portion. The tilt angle is 6 degrees. The fast bit cutter capable of improving the utilization of the standard blade according to the second aspect of the patent application, wherein the first blade is provided with a first locking hole at a central position thereof, and is threaded through the first locking hole through a bolt. Locking the first groove to fix the first blade to the first groove; and the second blade is provided with a second locking hole at a central position thereof, and is threaded through the bolt to the second locking hole and screwed Locking to the second groove and fixing the second blade to the second groove. A fast bit tool capable of improving the utilization of a standard blade, comprising a cutter, a first blade, a second blade and a third blade, wherein: the cutter has a front end portion, and the front end portion has a corresponding interval a first chip evacuation groove, a second chip evacuation groove and a third chip evacuation groove, and the tool defines a central axis, and the groove edge of the first chip discharge groove has a top edge away from the central axis a first groove, the top edge of the groove wall of the second chip evacuation groove has a second groove adjacent to the central axis, and the groove wall top edge of the third chip discharge groove has a third groove The third groove is located between the central axis and the periphery of the front end portion, and the first, second, and third blades are of the same size and are interchangeably disposed in the first, second, and third grooves; The first blade has an 80 degree diamond structure, and correspondingly forms a first acute angle, a second acute angle, a first obtuse angle, a second obtuse angle and four cutting surfaces, and the first blade is first, One of the two acute angles partially protrudes from the end face and the periphery of the front end portion, The first blade has an exposed distance from the inner edge of the front end portion, and the first blade is inclined from the inner side to the outer side with an inclination angle of between 3 and 8 degrees; the second blade has an 80 degree angle. a diamond-shaped structure, and correspondingly formed with a first acute angle, a second acute angle, a first obtuse angle, a second obtuse angle and four cutting faces, and one of the first and second obtuse angles of the second blade partially protrudes from An end surface of the front end portion has a retracting distance with respect to a circumference of the front end portion, and the second blade is inclined from the inner side to the outer side with an inclination angle of between 3 and 8 degrees; The third blade has an 80 degree diamond structure, and correspondingly forms a first acute angle, a second acute angle, a first obtuse angle, a second obtuse angle and four cutting surfaces, and the first of the third blades One of the two obtuse angles partially protrudes from the end surface of the front end portion and has a retracting distance from the periphery of the front end portion, and the retracting distance of the third blade is different from the retracting distance of the second blade. The third blade is opposite the central axis The line is inclined from the inside to the outside, and the inclination angle is between 3 and 8 degrees. The rotation cutting positions of the first, second and third blades through the central axis are arranged in an alternating continuous arrangement, and the One of the first and second acute angles of a blade away from the end surface of the front end portion is higher than one of the first and second obtuse angles of the second and third blades away from the end surface of the front end portion, and the first and second sides of the third blade One of the obtuse angles is higher than one of the first and second obtuse angles of the second blade, and they are respectively located on different planes; wherein, when one of the first, second and third blades is worn, correspondingly flipping and replacing One of the first, second, and third blades that are not worn. The fast bit cutter capable of improving the utilization of the standard blade according to claim 4, wherein the first blade has an inclination angle of 4 degrees with respect to the end surface of the front end portion, and the second blade is opposite to the end surface of the front end portion. The inclination angle is 6 degrees, and the inclination angle of the third blade with respect to the end surface of the front end portion is 6 degrees. The fast bit cutter capable of improving the utilization of the standard blade according to the fifth aspect of the patent application, wherein the first blade is provided with a first locking hole at a central position thereof, and is threaded through the first locking hole through a bolt. Locking the first groove to fix the first blade to the first groove; and the second blade is provided with a second locking hole at a central position thereof, and is threaded through the bolt to the second locking hole and screwed Locking the second groove to fix the second blade to the second groove; the third blade is provided with a third locking hole at a central position thereof, and is threaded through the bolt to the third locking hole and screwed And the third groove is fixed to the third groove.