CN217315918U - Adjustable excircle rough boring cutter for numerical control machining center - Google Patents
Adjustable excircle rough boring cutter for numerical control machining center Download PDFInfo
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- CN217315918U CN217315918U CN202220355701.7U CN202220355701U CN217315918U CN 217315918 U CN217315918 U CN 217315918U CN 202220355701 U CN202220355701 U CN 202220355701U CN 217315918 U CN217315918 U CN 217315918U
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Abstract
The utility model relates to an adjustable excircle rough boring cutter tool for a numerical control machining center, which comprises a cutter bridge, wherein boring cutter seats are arranged at the two side parts of the cutter bridge in a sliding manner, the boring cutter seats are connected with the cutter bridge through fastening screws, and a rough adjusting mechanism and a fine adjusting mechanism are arranged between the cutter bridge and the boring cutter seats; the rough adjusting mechanism comprises a rough adjusting screw hole and a fastening through hole, the rough adjusting screw hole is drilled on the top surface of the cutter bridge, and the fastening through hole vertically penetrates through the boring cutter seat; the fine adjustment mechanism comprises a fine adjustment support screw hole, a fine adjustment support bolt, a fine adjustment bolt and a fine adjustment locking bolt; the fine tuning support screw hole drill is arranged on the top surface of the cutter bridge; the bottom of the boring cutter seat is provided with a fine adjustment supporting bolt accommodating cavity, the head of the fine adjustment supporting bolt is positioned in the fine adjustment supporting bolt accommodating cavity, and the lower part of the fine adjustment supporting bolt is screwed in the fine adjustment supporting screw hole. The utility model discloses cutting time is short, and work piece excircle heavy boring processing is the processing of straight line feed formula, and cutter cutting tool way is short, and processing time is about one eighth of traditional layering milling process.
Description
Technical Field
The utility model belongs to the technical field of the numerical control cutter, a excircle heavy boring sword cutter with adjustable numerical control machining center is used is related to.
Background
With the rapid development of modern digital manufacturing technology in recent years, the application of high-altitude equipment such as numerical control machines and machining centers characterized by high precision, high efficiency, high reliability and specialization is increasingly popularized, and the cutting process has advanced into a new period of high-speed processing development marked by high speed, high efficiency and environmental protection under the promotion of the unprecedented development of equipment manufacturing industries such as aerospace, automobiles, high-speed trains, wind power, electronics, energy sources, molds and the like. Traditional machining techniques have been difficult to adapt to the requirements of modern manufacturing. Many domestic factory enterprises are still used to select traditional machining tools, so that the productivity of cutting machining is low, the cost of cutting machining is increased, and the expected effect of large amount of numerical control investment is not achieved. At present, the workpiece types are diversified, wherein a plurality of workpieces are processed to relate to the excircle processing, the traditional workpiece excircle processing is mainly processed by milling, and the processing mode has the following defects:
the processing time is long. The milling mode is generally layered spiral milling, and the milling cutter has long path and long processing time;
the cutter blades are prone to wear. The milling process has a long tool path, resulting in a long service time of the single blade, and thus the wear of the tool blade is accelerated.
The processing cost of the workpiece is high. The milling method has long processing time, high machine tool working hour cost, high blade replacing frequency caused by easy abrasion of the cutter blade and increased workpiece processing auxiliary time, thereby leading the overall processing cost of the excircle of the workpiece to be high.
The traditional outer circular milling technology not only influences the production period, but also increases the manufacturing cost of the workpiece.
Disclosure of Invention
An object of the utility model is to provide a heavy boring cutter of excircle with adjustable numerical control machining center can solve the cutter blade and easily wear and tear and lead to changing the blade frequency height, has increased work piece processing assistance time to make the high problem of work piece excircle processing overall cost.
According to the utility model provides a technical scheme: an adjustable excircle rough boring cutter tool for a numerical control machining center comprises a cutter bridge, boring cutter seats are slidably arranged on two side parts of the cutter bridge, the boring cutter seats are connected with the cutter bridge through fastening screws, and a rough adjusting mechanism and a fine adjusting mechanism are arranged between the cutter bridge and the boring cutter seats; the rough adjusting mechanism comprises a rough adjusting screw hole and a fastening through hole, the rough adjusting screw hole is drilled on the top surface of the cutter bridge, and the fastening through hole vertically penetrates through the boring cutter seat; the fine adjustment mechanism comprises a fine adjustment support screw hole, a fine adjustment support bolt, a fine adjustment bolt and a fine adjustment locking bolt; the fine tuning support screw hole drill is arranged on the top surface of the cutter bridge; the bottom of the boring cutter seat is provided with a fine adjustment supporting bolt accommodating cavity, the head of the fine adjustment supporting bolt is positioned in the fine adjustment supporting bolt accommodating cavity, and the lower part of the fine adjustment supporting bolt is in threaded connection with a fine adjustment supporting screw hole; fine tuning screw holes and fine tuning locking screw holes are respectively drilled on two sides of the boring cutter seat horizontally, and the inner ends of the fine tuning screw holes and the fine tuning locking screw holes are communicated with a fine tuning supporting bolt accommodating cavity; the fastening through hole is a waist-shaped hole, the fine adjustment bolt is positioned in the fine adjustment screw hole, and the fine adjustment locking bolt is positioned in the fine adjustment locking screw hole.
As a further improvement, the boring cutter seat upper portion is provided with a blade mounting groove, and a mounting blade hole is drilled in the blade mounting groove.
As a further improvement, the number of coarse adjustment screws is set according to the size of the workpiece, and the number of fine adjustment support screws is set according to the size of the workpiece.
As a further improvement of the utility model, the boring cutter seat is divided into a low boring cutter seat and a high boring cutter seat, and the high boring cutter seat and the low boring cutter seat are installed asymmetrically; the low boring cutter seat and the high boring cutter seat are respectively provided with a first blade and a second blade, and the first blade point of the first blade and the second blade point of the second blade are different in height.
As a further improvement, the cutter bridge top surface is equipped with the direction boss, and boring cutter saddle bottom is equipped with the direction recess with direction boss adaptation, and the boring cutter saddle slides along the direction boss.
As a further improvement, the coarse adjustment screw drill is arranged on both sides of the guide boss, and the fine adjustment support screw drill is arranged in the guide boss.
As a further improvement of the utility model, the knife handle is drilled in the knife bridge to connect the screw hole.
The positive progress effect of this application lies in:
1. the utility model discloses cutting time is short, and work piece excircle heavy boring processing is the processing of straight line feed formula, and cutter cutting tool way is short, and processing time is about one eighth of traditional layering milling process.
2. The utility model discloses the difficult wearing and tearing of cutter blade, life cycle is long. Because the boring processing is linear feeding processing, the cutting path of the cutter is short, the cutter blade is not easy to wear, the one-time service cycle is long, and the working time for frequently replacing the cutter blade is reduced.
3. The utility model discloses the cutter once cuts the surplus big. The cutter holder is provided with a high boring cutter holder 2 and a low boring cutter holder 1 which are arranged asymmetrically, and is equivalent to simultaneously processing two cutters with different processing sizes. Most workpieces can be roughly bored to the rough machining size requirement at one time within the allowance tolerance range of blanks.
4. The utility model discloses cutter simple structure, the blade holder modularization, the product is switched in a flexible way, and adaptability is wide, workable many varieties product. The cutter bridge is provided with a mounting row hole, and the mounting size of the cutter seat can be adjusted according to the processing sizes of different products. A fine adjustment mechanism is arranged between the tool apron and the tool bridge, which is convenient for fine adjustment of the machining size of the tool.
5. The utility model discloses the work piece processing cost is low. The boring processing time is short, and the machine tool cost is low. The cutter blade has long service life, low replacement frequency and low loss cost of the workpiece cutter.
Drawings
Fig. 1 is a schematic view of the structure of the cutting tool of the present invention.
Fig. 2 is a schematic view of the cutter bridge of the present invention.
Fig. 3 is a schematic view of the tool boring holder of the present invention.
Fig. 4 is a sectional view of the tool boring holder of the present invention.
Fig. 5 is the installation schematic diagram of the low boring tool holder and the high boring tool holder of the cutting tool of the present invention.
Fig. 6 is a schematic view of the present invention for machining a tool and a workpiece.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances for purposes of describing the embodiments of the invention herein. Furthermore, "including" and "having," and like terms, mean that "including" and "having," in addition to those already recited in "including" and "having," other content not already recited in the list; for example, a process, method, system, article, or apparatus that may comprise a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the drawings 1-6, the boring machine comprises a low boring cutter holder 1, a high boring cutter holder 2, a cutter bridge 3, a fastening screw 4, a fine adjustment mechanism 5, a hexagonal flat end set screw 5a, a fine adjustment supporting bolt 5b, a fine adjustment locking bolt 5-c, a blade 6, a workpiece 7, a hexagonal socket head screw 8, a cutter handle 9, a bolt pull head 10, a boring cutter holder 11 and the like.
As shown in fig. 1, the utility model relates to an excircle heavy boring cutter with adjustable numerical control machining center is with, including bridge 3, 3 both sides portions of bridge slide and are equipped with boring cutter seat 11, and boring cutter seat 11 passes through fastening screw 4 and connects bridge 3, is equipped with coarse adjustment mechanism and fine-tuning 5 between bridge 3 and boring cutter seat 11.
As shown in fig. 3 to 4, the upper portion of the boring holder 11 is provided with an insert mounting groove 11-1 for mounting the insert 6. And a blade mounting hole 11-1a is drilled in the blade mounting groove 11-1 and used for mounting a blade locking screw.
The rough adjusting mechanism comprises rough adjusting screw holes 3-2 and fastening through holes 11-2, the number of the rough adjusting screw holes 3-2 is set according to the size of a workpiece 7, the rough adjusting screw holes 3-2 are drilled on the top surface of the cutter bridge 3, and the fastening through holes 11-2 vertically penetrate through the boring cutter seat 11.
As shown in FIG. 5, the fine adjustment mechanism 5 comprises a fine adjustment support screw hole 3-3, a fine adjustment support bolt 5b, a fine adjustment bolt 5a, and a fine adjustment locking bolt 5-c. The fine-tuning supporting screw holes 3-3 are drilled on the top surface of the cutter bridge 3, and the number is set according to the size of a workpiece 7. The bottom of the boring cutter seat 11 is provided with a fine adjustment supporting bolt accommodating cavity 11-3 for accommodating the head of a fine adjustment supporting bolt 5b, and the lower part of the fine adjustment supporting bolt 5b is screwed with the fine adjustment supporting screw hole 3-3. Two sides of the boring cutter seat 11 are respectively and horizontally drilled with a fine adjustment screw hole 11-4 and a fine adjustment locking screw hole 11-5, and the inner ends of the fine adjustment screw hole 11-4 and the fine adjustment locking screw hole 11-5 are communicated with a fine adjustment supporting bolt accommodating cavity 11-3. The fastening through hole 11-2 is a waist-shaped hole, the fine adjustment bolt 5a is positioned in the fine adjustment screw hole 11-4, and the fine adjustment locking bolt 5-c is positioned in the fine adjustment locking screw hole 11-5.
The boring cutter seat 11 is divided into a low boring cutter seat 1 and a high boring cutter seat 2, and the high boring cutter seat 2 and the low boring cutter seat 1 are installed in an asymmetrical mode. The low boring tool holder 1 and the high boring tool holder 2 are respectively provided with a first blade 6a and a second blade 6b, and the first blade tip 6a1 of the first blade 6a and the second blade tip 6b1 of the second blade 6b are different in height.
As shown in figure 2, the top surface of the cutter bridge 3 is provided with a guide boss 3-1, the bottom of the boring cutter holder 11 is provided with a guide groove 11-6 matched with the guide boss 3-1, and the boring cutter holder 11 slides along the guide boss 3-1.
The rough adjusting screw holes 3-2 are drilled at two sides of the guide boss 3-1, and the fine adjusting support screw holes 3-3 are drilled in the guide boss 3-1.
And a cutter handle connecting screw hole 3-4 is drilled in the cutter bridge 3 and is used for connecting with a cutter handle 10.
The utility model discloses a cutter debugging process as follows:
the outer circle rough boring cutter is arranged on a cutter handle 9 matched with a machine tool in type, a bolt pull head 10 is arranged at the tail of the cutter handle 10, a low boring cutter seat 1 and a high boring cutter seat 2 of the adjustable outer circle rough boring cutter are arranged at a rough adjusting screw hole 3-2 corresponding to a cutter bridge 3 according to the machining size requirement of a workpiece, the installation is asymmetrical, the distance from a second cutter point 6b1 of a second cutter blade 6b to the cutter bridge 3 is larger than the distance from a first cutter point 6a1 of a first cutter blade 6a to the cutter bridge 3, and the rough adjustment is completed by pre-tightening through a fastening screw 4. The method comprises the steps of installing a blade 6 on a low boring cutter holder 1 and a high boring cutter holder 2, accurately measuring the sizes of the low boring cutter holder 1 and the high boring cutter holder 2 after the blade 6 is installed on a cutter setting instrument, rotating a fine adjustment bolt 5a in a fine adjustment mechanism 5, enabling the end part of the fine adjustment bolt 5a to abut against the head part of a fine adjustment supporting bolt 5b, driving the low boring cutter holder 1 and the high boring cutter holder 2 to be accurately adjusted to the processing size set by a workpiece process, rotating a fine adjustment locking bolt 5-c to be locked, finally screwing a fastening screw 4, wherein a fastening through hole 11-2 is a waist-shaped hole, and ensuring that fine adjustment cannot be interfered. And measuring and recording the height value of the tool nose 6b of the high boring tool holder 2 of the tool after the blade 6 is installed, wherein the value is the tool complement value of the tool.
The utility model discloses a course of working is implemented to the cutter as follows:
the utility model discloses need the numerical control to crouch to add machining center one, the lathe model is decided by the size of processing work piece, and 7 clamping of work piece are packed into the lathe main shaft in the excircle heavy boring cutter that debugs on the good frock is rectified to the sword benefit value of this cutter of input in the lathe sword benefit parameter. And setting a coordinate system of a workpiece machining position in the parameters of the machine tool, and carrying out rough boring machining by using the programmed program.
The working principle of the utility model is as follows:
as shown in fig. 6, the tool bridge 3 is provided with a threaded row of holes for mounting the low boring tool holder 1 and the high boring tool holder 2, so as to meet the mounting requirements of different machining sizes. A fine adjustment mechanism 5 is arranged between the tool apron low boring tool apron, the high boring tool apron 2 and the tool bridge 3, and the machining size of the tool can be finely adjusted by adjusting a fine adjustment bolt 5a and a fine adjustment locking bolt 5-c.
The high boring tool holder 2 and the low boring tool holder 1 of the tool are asymmetrically mounted, and the distance from the second cutting edge 6b1 of the second blade 6b to the tool bridge 3 is larger than the distance from the first cutting edge 6a1 of the first blade 6a to the tool bridge 3. Therefore, the blade 6 on the high boring cutter seat 2 and the blade 6 on the low boring cutter seat 1 firstly cut the outer layer material of the workpiece, and then the blade 6 of the low boring cutter seat 1 cuts the inner layer material of the workpiece, which is equivalent to that two cutters with different machining sizes are simultaneously machined, and the cutting allowance of the cutters is large. Most of workpieces can be roughly bored once within the allowance tolerance range of the blank to meet the requirement of rough machining size, and the machining efficiency is high.
The outer circle rough boring processing of the workpiece is linear feeding type processing, the cutting path of the cutter is short, and the processing time is about one eighth of that of the traditional layered milling processing. The cutter blade is not easy to wear, and the disposable service cycle is long.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (7)
1. An adjustable excircle rough boring cutter for a numerical control machining center is characterized by comprising a cutter bridge (3), boring cutter seats (11) are arranged on two side parts of the cutter bridge (3) in a sliding mode, the boring cutter seats (11) are connected with the cutter bridge (3) through fastening screws (4), and a rough adjusting mechanism and a fine adjusting mechanism (5) are arranged between the cutter bridge (3) and the boring cutter seats (11); the rough adjusting mechanism comprises a rough adjusting screw hole (3-2) and a fastening through hole (11-2), the rough adjusting screw hole (3-2) is drilled on the top surface of the cutter bridge (3), and the fastening through hole (11-2) vertically penetrates through the boring cutter seat (11); the fine adjustment mechanism (5) comprises fine adjustment supporting screw holes (3-3), fine adjustment supporting bolts (5 b), fine adjustment bolts (5 a) and fine adjustment locking bolts (5-c); the fine tuning supporting screw hole (3-3) is drilled on the top surface of the cutter bridge (3); a fine-tuning supporting bolt accommodating cavity (11-3) is formed in the bottom of the boring cutter seat (11), the head of a fine-tuning supporting bolt (5 b) is located in the fine-tuning supporting bolt accommodating cavity (11-3), and the lower part of the fine-tuning supporting bolt (5 b) is in threaded connection with a fine-tuning supporting screw hole (3-3); fine tuning screw holes (11-4) and fine tuning locking screw holes (11-5) are respectively drilled on two sides of the boring cutter seat (11) horizontally, and the inner ends of the fine tuning screw holes (11-4) and the fine tuning locking screw holes (11-5) are communicated with fine tuning supporting bolt accommodating cavities (11-3); the fastening through hole (11-2) is a waist-shaped hole, the fine adjustment bolt (5 a) is positioned in the fine adjustment screw hole (11-4), and the fine adjustment locking bolt (5-c) is positioned in the fine adjustment locking screw hole (11-5).
2. The adjustable external round rough boring cutter tool for the numerical control machining center according to claim 1, characterized in that the upper part of the boring cutter seat (11) is provided with a blade mounting groove (11-1), and a mounting blade hole (11-1 a) is drilled in the blade mounting groove (11-1).
3. The adjustable external round rough boring cutter tool for the numerical control machining center according to claim 1, characterized in that the number of rough adjusting screw holes (3-2) is set according to the size of the workpiece (7), and the number of fine adjusting support screw holes (3-3) is set according to the size of the workpiece (7).
4. The adjustable external rough boring cutter tool for the numerical control machining center according to claim 1, wherein the boring cutter seat (11) is divided into a low boring cutter seat (1) and a high boring cutter seat (2), and the high boring cutter seat (2) and the low boring cutter seat (1) are installed in an asymmetric manner; the low boring tool apron (1) and the high boring tool apron (2) are respectively provided with a first blade (6 a) and a second blade (6 b), and the first blade point (6 a 1) of the first blade (6 a) and the second blade point (6 b 1) of the second blade (6 b) are different in height.
5. The adjustable external round rough boring cutter for the numerical control machining center according to claim 1, characterized in that a guide boss (3-1) is provided on the top surface of the cutter bridge (3), a guide groove (11-6) adapted to the guide boss (3-1) is provided on the bottom of the boring cutter holder (11), and the boring cutter holder (11) slides along the guide boss (3-1).
6. The adjustable external round rough boring cutter tool for the numerical control machining center according to claim 5, characterized in that the rough adjusting screw holes (3-2) are drilled on both sides of the guide boss (3-1), and the fine adjusting support screw holes (3-3) are drilled in the guide boss (3-1).
7. The adjustable external round rough boring cutter for the numerical control machining center according to claim 1, characterized in that a cutter handle connecting screw hole (3-4) is drilled in the cutter bridge (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220355701.7U CN217315918U (en) | 2022-02-21 | 2022-02-21 | Adjustable excircle rough boring cutter for numerical control machining center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220355701.7U CN217315918U (en) | 2022-02-21 | 2022-02-21 | Adjustable excircle rough boring cutter for numerical control machining center |
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| Publication Number | Publication Date |
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| CN217315918U true CN217315918U (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220355701.7U Active CN217315918U (en) | 2022-02-21 | 2022-02-21 | Adjustable excircle rough boring cutter for numerical control machining center |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116037975A (en) * | 2022-09-08 | 2023-05-02 | 松德刀具（长兴）科技有限公司 | High-precision double-blade bridge type superhard boring cutter |
-
2022
- 2022-02-21 CN CN202220355701.7U patent/CN217315918U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116037975A (en) * | 2022-09-08 | 2023-05-02 | 松德刀具（长兴）科技有限公司 | High-precision double-blade bridge type superhard boring cutter |
| CN116037975B (en) * | 2022-09-08 | 2023-08-11 | 松德刀具（长兴）科技有限公司 | High-precision double-blade bridge type superhard boring cutter |
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