CN220240903U - Device for correcting end mill - Google Patents
Device for correcting end mill Download PDFInfo
- Publication number
- CN220240903U CN220240903U CN202322258964.3U CN202322258964U CN220240903U CN 220240903 U CN220240903 U CN 220240903U CN 202322258964 U CN202322258964 U CN 202322258964U CN 220240903 U CN220240903 U CN 220240903U
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- China
- Prior art keywords
- end mill
- milling cutter
- gauge
- housing
- base
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- 238000003801 milling Methods 0.000 claims abstract description 55
- 239000000428 dust Substances 0.000 claims description 7
- 230000009191 jumping Effects 0.000 abstract description 18
- 238000003754 machining Methods 0.000 abstract description 10
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000003908 quality control method Methods 0.000 abstract description 4
- 230000000007 visual effect Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Abstract
The utility model relates to the field of vehicle engineering, in particular to a device for correcting an end mill cutter, which comprises a base, wherein an upright post and a rotatable milling cutter handle are arranged on the base, the milling cutter handle is used for installing the end mill cutter, a jumping measuring rod and a height measuring rod are arranged on the upright post, the jumping measuring rod is provided with a first measuring tool, the first measuring tool is used for abutting against the end part of the end mill cutter, and the height measuring rod is provided with a second measuring tool, and the second measuring tool is used for abutting against the side wall of the end mill cutter. The device for correcting the end mill provided by the utility model has the advantages of compact structure, low manufacturing cost, simplicity and rapidness in use, visual and reliable detection, ensuring of the mounting precision of the end mill, no need of trial machining after the cutter is replaced, saving of shutdown cutter correction and trial machining time, and contribution to quality control of a transmission shaft key slot.
Description
Technical Field
The utility model relates to the field of vehicle engineering, in particular to a device for calibrating an end mill.
Background
Milling is a common process in automotive drive shaft machining, and BT end mill handles are one of the common tools commonly used to machine keyways in drive shafts on center machines. The position and straightness depth of the key groove are controlled by a milling process, and the accuracy of the key groove and the straightness depth not only influence the assembly of the transmission shaft, but also influence the running stability of the transmission system and the service life of the automobile. Therefore, after the end mill is mounted on the milling cutter handle, whether the cutter correction is accurate or not is one of important factors for determining the processing quality of the key groove of the transmission shaft. The structure and the calibration method of the device for calibrating the milling cutter can refer to China patent application number CN202020110358.0, and the name of the device for calibrating the milling cutter for the numerical control milling machine. The cutter calibrating device on the market at present can only calibrate the height of the milling cutter, and is required to be installed on a workbench of a center machine for use, and in addition, special cutter calibrating equipment is high in price, strict in requirements on the use environment and not suitable for common production workshops.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the device for correcting the end mill cutter has high correction precision and high efficiency, and can be used for simultaneously correcting the height of the end mill cutter and the runout of the end mill cutter.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a device for end mill school sword, includes the base, be equipped with stand and rotatable milling cutter handle on the base, the milling cutter handle is used for installing end mill, be equipped with on the stand and beat measuring staff and height measuring staff, it is equipped with first survey utensil to beat the measuring staff, first survey utensil is used for the tip of butt end mill, height measuring staff is equipped with the second survey utensil, the second survey utensil is used for the lateral wall of butt end mill.
Further, the jumping measuring rod and the height measuring rod are both arranged on the upright post in a sliding mode, and the height measuring rod is connected with the upright post in a rotating mode.
Further, the first measuring tool is rotationally connected with the height measuring rod, and the second measuring tool is rotationally connected with the jumping measuring rod.
Further, the first measuring tool and the second measuring tool are dial indicators.
Further, a rotating shaft capable of horizontally rotating is arranged on the base, a conical groove is formed in the top of the rotating shaft, and the milling cutter handle is embedded in the conical groove.
Further, a shell is arranged on the base, a bearing is arranged in the shell, and the bearing is used for installing the rotating shaft.
Further, the shell is provided with an opening through which the rotating shaft passes, and a dust cover is arranged at the opening of the shell.
Further, the base is provided with a guide block and a limiting block, the shell is in sliding connection with the guide block, and the limiting block is used for limiting the shell.
Further, a clamping ring groove is formed in the shell, a C-shaped buckle is arranged in the clamping ring groove, and the C-shaped buckle is used for limiting the bearing.
The utility model has the beneficial effects that: the first measuring tool and the second measuring tool are respectively installed by utilizing the jumping measuring rod and the height measuring rod, when the milling cutter is used, the measuring anvil of the first measuring tool is abutted to the end part of the milling cutter on the milling cutter handle, the measuring anvil of the second measuring tool is abutted to the circumferential surface of the milling cutter on the milling cutter handle, and after the milling cutter handle is rotated, whether the jumping and the height of the end milling cutter after installation meet the installation requirements can be judged by observing the pointers of the first measuring tool and the second measuring tool. The device for correcting the end mill provided by the utility model has the advantages of compact structure, low manufacturing cost, simplicity and rapidness in use, visual and reliable detection, ensuring of the mounting precision of the end mill, no need of trial machining after the cutter is replaced, saving of shutdown cutter correction and trial machining time, and contribution to quality control of a transmission shaft key slot.
Drawings
FIG. 1 is a front view of an apparatus for end mill sizing;
FIG. 2 is a top view of an apparatus for end mill sizing;
description of the reference numerals:
1. a base; 11. a rotating shaft; 12. a housing; 121. a bearing; 122. c-shaped buckles; 13. a dust cover; 14. A guide block; 15. A limiting block; 2. a milling cutter handle; 3. a column; 31. a jumping measuring rod; 311. A first measuring tool; 32. A height measuring bar; 321. And a second measuring tool.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
The utility model provides a device for calibrating an end mill, which is applied to the calibration operation of a milling machine tool for machining an automobile transmission shaft.
Referring to fig. 1 to 2, the device for calibrating an end mill according to the present utility model includes a base 1, wherein a stand 3 and a rotatable milling cutter handle 2 are provided on the base 1, the milling cutter handle 2 is used for mounting the end mill, a jumping measuring rod 31 and a height measuring rod 32 are provided on the stand 3, the jumping measuring rod 31 is provided with a first measuring tool 311, the first measuring tool 311 is used for abutting against an end portion of the end mill, the height measuring rod 32 is provided with a second measuring tool 321, and the second measuring tool 321 is used for abutting against a side wall of the end mill.
From the above description, the beneficial effects of the utility model are as follows: the first measuring tool 311 and the second measuring tool 321 are respectively installed by utilizing the jumping measuring rod 31 and the height measuring rod 32, when the end milling cutter is used, the measuring anvil of the first measuring tool 311 is abutted to the end part of the milling cutter on the milling cutter handle 2, the measuring anvil of the second measuring tool 321 is abutted to the circumferential surface of the milling cutter on the milling cutter handle 2, and after the milling cutter handle 2 is rotated, whether the jumping and the height after the end milling cutter is installed meet the installation requirements can be judged by observing the pointers of the first measuring tool 311 and the second measuring tool 321. The device for correcting the end mill provided by the utility model has the advantages of compact structure, low manufacturing cost, simplicity and rapidness in use, visual and reliable detection, ensuring of the mounting precision of the end mill, no need of trial machining after the cutter is replaced, saving of shutdown cutter correction and trial machining time, and contribution to quality control of a transmission shaft key slot.
In an alternative embodiment, the jumping bar 31 and the height bar 32 are both slidably arranged on the upright 3, the height bar 32 being rotatably connected to the upright 3.
From the above description, the jumping bar 31 and the height bar 32 can slide on the upright 3 to adjust the height, and the height bar 32 can control the horizontal orientation of the second gauge 321 by horizontal rotation.
In an alternative embodiment, the first measuring tool 311 is rotatably connected to the height measuring bar 32, and the second measuring tool 321 is rotatably connected to the jumping measuring bar 31.
From the above description, it is known that both measuring tools can be turned upside down on the corresponding measuring bars, so as to control the anvil to be in a horizontal or vertical state according to the use environment.
In an alternative embodiment, the first measuring tool 311 and the second measuring tool 321 are dial indicators.
In an alternative embodiment, the base 1 is provided with a rotating shaft 11 which rotates horizontally, the top of the rotating shaft 11 is provided with a conical groove, and the milling cutter handle 2 is embedded in the conical groove.
From the above description, the milling cutter handle 2 is fixed in the conical groove of the rotating shaft 11 to rotate along with the rotation of the rotating shaft 11, the fit degree of the conical groove inner conical surface and the outer conical surface of the BT milling cutter handle 2 is more than 90%, and the coaxiality of the rotating shaft 11 inner conical surface and the outer diameter is controlled to be within 0.002 mm.
In an alternative embodiment, a nut is mounted on the external thread below the spindle 11 for eliminating the assembly gap.
In an alternative embodiment, the base 1 is provided with a housing 12, and a bearing 121 is disposed in the housing 12, and the bearing 121 is used for mounting the rotating shaft 11.
As can be seen from the above description, the upper and lower ends of the housing 12 are respectively provided with bearing 121 mounting holes, which are perpendicular to the bottom surface of the housing 12. The two groups of bearings 121 are arranged in the bearing 121 mounting holes of the shell 12, the rotating shaft 11 horizontally rotates through the bearings 121, the end face of the rotating shaft 11 is synchronously ground with the outer diameter, the verticality is less than 0.0015mm, and the shell 12 plays a role in supporting and protecting.
In an alternative embodiment, the housing 12 has an opening through which the rotating shaft 11 passes, and the housing 12 is provided with a dust cover 13 at the opening.
As is apparent from the above description, the dust cover 13 is installed above the rotation shaft 11 to prevent dust from falling into the housing 12 to affect the measurement reliability.
In an alternative embodiment, the base 1 is provided with a guide block 14 and a limiting block 15, the housing 12 is slidably connected with the guide block 14, and the limiting block 15 is used for limiting the housing 12.
As can be seen from the above description, the whole set of devices is configured with the base plate as a reference, the guide blocks 14 are disposed on two sides of the base plate, the housing 12 is disposed between the two guide blocks 14, the guide blocks 14 are provided when the housing 12 moves to the limiting block 15, the limiting block 15 is disposed perpendicular to the guide blocks 14, and the limiting block 15 is used for limiting the moving position of the housing 12, so as to provide reproducibility for measurement. The shell 12 is precisely ground by adopting die steel after vacuum heat treatment, so that the fit degree and the wear resistance with the bottom plate are ensured.
In an alternative embodiment, a snap ring groove is provided in the housing 12, and a C-shaped buckle 122 is provided in the snap ring groove, and the C-shaped buckle 122 is used for limiting the bearing 121.
As is apparent from the above description, the C-shaped button 122 is installed in the snap ring groove for preventing the bearing 121 from being displaced.
The working principle of the utility model is as follows: when the milling cutter is used, the milling cutter handle 2 is locked after being put into the milling cutter handle 2, the milling cutter handle 2 with the milling cutter is put into an inner taper hole above the rotating shaft 11 in an inverted mode, the shell 12 is pushed along the guide block 14 until the shell 12 is attached to the limiting block 15, the outer circle surface of the end milling cutter is contacted with the plane anvil of the first measuring tool 311, the height measuring rod 32 is rotated, the end surface of the end milling cutter is contacted with the plane anvil of the second measuring tool, the rotating shaft 11 is rotated, the end milling cutter rotates along with the rotating shaft, and the pointers of the two dial indicators are observed, so that whether the jump and the height after the end milling cutter is installed meet the installation requirement can be intuitively observed.
Referring to fig. 1 to 2, a first embodiment of the present utility model is as follows: the utility model provides a device for end mill school sword, includes base 1, be equipped with stand 3 and rotatable milling cutter handle 2 on the base 1, milling cutter handle 2 is used for installing end mill, be equipped with on the stand 3 and beat measuring staff 31 and high measuring staff 32, beat measuring staff 31 is equipped with first survey utensil 311, first survey utensil 311 is used for the tip of butt end mill, high measuring staff 32 is equipped with second survey utensil 321, second survey utensil 321 is used for the lateral wall of butt end mill.
The jumping measuring rod 31 and the height measuring rod 32 are both arranged on the upright post 3 in a sliding manner, and the height measuring rod 32 is connected with the upright post 3 in a rotating manner. The first measuring tool 311 is rotatably connected with the height measuring bar 32, and the second measuring tool 321 is rotatably connected with the jumping measuring bar 31. The first measuring tool 311 and the second measuring tool 321 are dial indicators. The milling cutter is characterized in that a rotating shaft 11 capable of horizontally rotating is arranged on the base 1, a conical groove is formed in the top of the rotating shaft 11, and the milling cutter handle 2 is embedded in the conical groove. The base 1 is provided with a shell 12, a bearing 121 is arranged in the shell 12, and the bearing 121 is used for installing the rotating shaft 11. The shell 12 is provided with an opening through which the rotating shaft 11 passes, and the shell 12 is provided with a dust cover 13 at the opening. The base 1 is provided with a guide block 14 and a limiting block 15, the shell 12 is slidably connected with the guide block 14, and the limiting block 15 is used for limiting the shell 12. A snap ring groove is arranged in the shell 12, a C-shaped buckle 122 is arranged in the snap ring groove, and the C-shaped buckle 122 is used for limiting the bearing 121.
In summary, the device for calibrating the end mill provided by the utility model utilizes the jumping measuring rod and the height measuring rod to respectively install the first measuring tool and the second measuring tool, when in use, the measuring anvil of the first measuring tool is abutted to the end part of the milling cutter on the milling cutter handle, the measuring anvil of the second measuring tool is abutted to the circumferential surface of the milling cutter on the milling cutter handle, and after the milling cutter handle is rotated, whether the jumping and the height of the end mill after installation meet the installation requirements can be judged by observing the pointers of the first measuring tool and the second measuring tool. The device for correcting the end mill provided by the utility model has the advantages of compact structure, low manufacturing cost, simplicity and rapidness in use, visual and reliable detection, ensuring of the mounting precision of the end mill, no need of trial machining after the cutter is replaced, saving of shutdown cutter correction and trial machining time, and contribution to quality control of a transmission shaft key slot.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.
Claims (9)
1. The utility model provides a device for end mill school sword, its characterized in that, includes the base, be equipped with stand and rotatable milling cutter handle on the base, the milling cutter handle is used for installing end mill, be equipped with on the stand and beat measuring staff and height measuring staff, it is equipped with first gauge to beat the measuring staff, first gauge is used for the tip of butt end mill, height measuring staff is equipped with the second gauge, the second gauge is used for the lateral wall of butt end mill.
2. The device for calibrating an end mill according to claim 1, wherein the runout spindle and the height spindle are both slidably disposed on the upright, the height spindle being rotatably connected to the upright.
3. The apparatus for end mill calibration according to any one of claims 1 or 2, wherein the first gauge is rotatably connected to a height gauge bar and the second gauge is rotatably connected to a runout gauge bar.
4. The apparatus for calibrating an end mill according to claim 1, wherein the first gauge and the second gauge are dial gauges.
5. The device for correcting a milling cutter according to claim 1, wherein the base is provided with a horizontally rotating shaft, the top of the shaft is provided with a conical groove, and the milling cutter handle is embedded in the conical groove.
6. The device for calibrating an end mill according to claim 5, wherein the base is provided with a housing, and a bearing is provided in the housing, and the bearing is used for mounting the rotating shaft.
7. The device for calibrating an end mill according to claim 6, wherein the housing has an opening through which the rotation shaft passes, and the housing is provided with a dust cover at the opening.
8. The device for calibrating an end mill according to claim 7, wherein the base is provided with a guide block and a stopper, the housing is slidably connected to the guide block, and the stopper is used for limiting the housing.
9. The device for calibrating an end mill according to claim 6, wherein a snap ring groove is provided in the housing, and a C-shaped button is provided in the snap ring groove, the C-shaped button being used to limit the bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322258964.3U CN220240903U (en) | 2023-08-22 | 2023-08-22 | Device for correcting end mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322258964.3U CN220240903U (en) | 2023-08-22 | 2023-08-22 | Device for correcting end mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220240903U true CN220240903U (en) | 2023-12-26 |
Family
ID=89271985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322258964.3U Active CN220240903U (en) | 2023-08-22 | 2023-08-22 | Device for correcting end mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220240903U (en) |
-
2023
- 2023-08-22 CN CN202322258964.3U patent/CN220240903U/en active Active
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| GR01 | Patent grant |