CN217832927U

CN217832927U - End mill cutter detector

Info

Publication number: CN217832927U
Application number: CN202221923732.4U
Authority: CN
Inventors: 张博文; 吴勇; 沈小龙
Original assignee: Chongqing Yufeite Technology Co ltd
Current assignee: Chongqing Yufeite Technology Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-11-18
Anticipated expiration: 2032-07-25

Abstract

The utility model belongs to the technical field of the optical metrology equipment, concretely relates to end mill cutter detector, including the workpiece stage, the translation device, first indulge and move the device and the second indulges, the workpiece stage is installed on translation device's removal portion, the workpiece stage includes rotary mechanism and anchor clamps, anchor clamps are installed on rotary mechanism, install the Z axle camera on the removal portion on the first indulges and moves the device, first camera is towards the below, install the mounting bracket on the removal portion on the second indulges and moves the device, install X axle camera and Y axle camera on the mounting bracket, translation device's translation route is in the field of vision of X axle camera, Y axle camera and Z axle camera, the indulge direction of moving device and second indulge and move the device is perpendicular to translation route direction. The utility model discloses the mode of being convenient for through visual identification is high-efficiently to be opposed milling cutter and is carried out full key element and detect.

Description

End mill cutter detector

Technical Field

The utility model belongs to the technical field of the optical metrology equipment, concretely relates to end mill cutter detector.

Background

Metal cutting is the primary manufacturing method for manufacturing parts, and cutting tools are key elements in supporting and promoting the advancement of cutting technology. The wide application of high-efficiency numerical control machine tools enables the modern cutting machining technology to be developed to a new stage, and the high-precision cutter is the basic premise that expensive numerical control machine tools can fully exert the high-efficiency machining capacity. The measurement of the cutter is an important link for the production and processing of the high-precision cutter, and for the end milling cutter, the detection of the cutter comprises the detection of factors such as the diameter, the contour, the spiral line, the end face and the like.

At present, visual detection is common in various fields in the industry, two key technologies for the detection of the cutter are provided, one is a laser scanning method, but the method can only be used for detecting the profile of the cutter generally and cannot finish the detection of the spiral line and the end face structure of the opposite milling cutter; the other method is a CCD image method, a CCD camera is adopted to carry out visual identification on a shot image of the cutter to be detected, but the cutter visual identification detection device in the related technology only can carry out static shooting and identification on the cutter, the detected elements are limited, the cutter must be manually reversed to realize the full element detection of the contour, the spiral line and the end face, multiple clamping is required during the period, the efficiency is slow, the requirement on the positioning precision of the cutter to be detected is high, otherwise, the cutter needs to be focused again, and the detection precision is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides an end mill cutter detector to in high-efficient opposition milling cutter of mode through visual identification carries out full factor detection.

In order to achieve the above purpose, the utility model discloses a scheme does: the end mill cutter detector comprises a workpiece table, a translation device, a first longitudinal movement device and a second longitudinal movement device, wherein the workpiece table is installed on a moving part of the translation device and comprises a rotating mechanism and a clamp, the clamp is installed on the rotating mechanism, a Z-axis camera is installed on the moving part on the first longitudinal movement device, the first camera faces downwards, an installation frame is installed on the moving part on the second longitudinal movement device, an X-axis camera and a Y-axis camera are installed on the installation frame, a translation path of the translation device is in the visual field of the X-axis camera, the Y-axis camera and the Z-axis camera, and the longitudinal movement direction of the first longitudinal movement device and the longitudinal movement direction of the second longitudinal movement device are perpendicular to the translation path direction.

The working principle and the beneficial effects of the scheme are as follows: and the moving part of the translation device moves to one end, which is far away from the second longitudinal movement device, of the translation path, the end is used for clamping the end mill to be tested, and the end face of the edge end of the end mill is upwards installed on the clamp. The longitudinal movement of the first longitudinal movement device and the second longitudinal movement device is used for adjusting the positions of the X-axis camera, the Y-axis camera and the Z-axis camera according to the diameter and the height of the end mill, so that the end mill is positioned at the focuses of the X-axis camera, the Y-axis camera and the Z-axis camera, and the three cameras can be used for shooting clearly. When the translation device moves the end mill to the position below the Z-axis camera, the Z-axis camera shoots the end face of the knife edge end of the end mill. When the translation device moves the end mill to the cross position of the focuses of the X-axis camera and the Y-axis camera, the X-axis camera and the Y-axis camera photograph two side faces of the end mill, the Y-axis camera photographs for identifying the outline, the X-axis camera is used for identifying the spiral, the end mill is generally provided with a plurality of cutting edges, a fixed included angle is formed between the cutting edges, after the X-axis camera and the Y-axis camera photograph an angle, the rotating mechanism drives the workpiece table to rotate by the same angle as the included angle between the cutting edges, the X-axis camera and the Y-axis camera photograph and identify the end mill at the next angle, and the rotating mechanism rotates again until all the cutting edges are photographed and identified. After the whole detection of the end mill is finished, the moving part of the translation device moves to the initial position again, and other end mills of the same type are replaced without adjusting the first longitudinal moving device and the second longitudinal moving device; for end mills of different models, the height and the diameter of the end mill can be changed, and the translation device, the first longitudinal moving device and the second longitudinal moving device are matched with each other to adjust the focuses of the X-axis camera and the Z-axis camera.

According to the scheme, the X-axis camera, the Y-axis camera, the Z-axis camera, the translation device, the first longitudinal moving device and the second longitudinal moving device are matched, the outline, the spiral line and the end face of the vertical milling cutter are detected in a translation path in a full factor mode, the vertical milling cutter does not need to be clamped and focused for multiple times in the process, and the visual identification inspection is improved. To the end mill of same model, only need once focus can, change the end mill of different models again after, also only need first indulge move device and second indulge move the device indulge move once in order to carry out the focus adjust can, change need not all focus every time after the end mill that awaits measuring, further promoted detection efficiency.

Optionally, the first longitudinal moving device includes a first longitudinal frame and a first lead screw mechanism, the first longitudinal frame is provided with a first guide rail, the first guide rail is connected with a first sliding seat in a sliding manner, the first lead screw mechanism includes a first lead screw and a first lead screw nut, the first lead screw nut is mounted on the first sliding seat, and the first lead screw is connected with a first motor; a cantilever frame is arranged on the first sliding seat, and the Z-axis camera is arranged on the cantilever frame.

Optionally, the second longitudinal moving device includes a second longitudinal frame and a second lead screw mechanism, the second longitudinal frame is provided with a second guide rail, the second guide rail is connected with a second sliding seat in a sliding manner, the second lead screw mechanism includes a second lead screw and a second lead screw nut, the second lead screw nut is mounted on the second sliding seat, and the second lead screw is connected with a second motor; the second sliding seat is provided with a U-shaped frame, two ends of the U-shaped frame are parallel to the translation path, the X-axis camera is arranged in the middle of the U-shaped frame, and the Y-axis camera is arranged at one end of the U-shaped frame.

Optionally, the fields of view of the X-axis camera and the Y-axis camera are perpendicular to each other.

Optionally, a first light source is installed on the Z-axis camera, a second light source is installed on the X-axis camera, a third light source is installed on the end, opposite to the Y-axis camera, of the U-shaped frame, and the third light source faces the Y-axis camera. The Y-axis camera is used for recognizing the outline of the end mill, and shooting backlight of the Y-axis camera is enabled by the aid of the third light source, so that the outline can be recognized more conveniently by the aid of the backlight.

Optionally, the translation device includes a third guide rail and a third lead screw mechanism, the third guide rail is connected to a third slide carriage in a sliding manner, the third lead screw mechanism includes a third lead screw and a third lead screw nut, the third lead screw nut is mounted on the third slide carriage, and the third lead screw is connected to a third motor; the workpiece table is mounted on the third slide carriage.

Optionally, the first motor, the second motor and the third motor are servo motors, a first grating ruler is mounted on the first longitudinal movement device, the first grating ruler is parallel to the first guide rail, and a reading head on the first grating ruler is mounted on the first sliding seat; a second grating ruler is arranged on the second longitudinal moving device, the second grating ruler is parallel to the second guide rail, and a reading head on the second grating ruler is arranged on the second sliding seat; and a third grating ruler is arranged on the translation device, the third grating ruler is parallel to the third guide rail, and a reading head on the third grating ruler is arranged on a third sliding seat. The displacement of the workpiece table, the X-axis camera, the Y-axis camera and the Z-axis camera is accurately measured through the grating ruler, so that the displacement can be accurately controlled conveniently.

Optionally, the device further comprises a substrate, and the translation device, the first longitudinal moving device and the second longitudinal moving device are all mounted on the substrate.

Optionally, the translation path includes a start end and a termination end, the second longitudinal moving device is installed on one side of the termination end, and the Z-axis camera is located between the start end and the second longitudinal moving device. In the process of translating the end mill to be measured from the starting end to the ending end, the end mill firstly takes pictures through the Z-axis camera and then takes pictures through the X-axis camera and the Y-axis camera.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

the reference numbers in the drawings of the specification include: the device comprises a substrate 1, a workpiece table 2, a first longitudinal frame 3, a first guide rail 4, a first lead screw 5, a first sliding seat 6, a first motor 7, a cantilever frame 8, a Z-axis camera 9, a first grating ruler 10, a first light source 11, a second longitudinal frame 12, a second lead screw 13, a second sliding seat 14, a U-shaped frame 15, an X-axis camera 16, a Y-axis camera 17, a second grating ruler 18, a second light source 19, a third light source 20, a third guide rail 21, a third lead screw 22, a third sliding seat 23, a third motor 24, a rotating mechanism 25, a clamp 26 and a third grating ruler 27.

Examples

This embodiment is substantially as shown in fig. 1: end mill cutter detector including base plate 1, work piece platform 2, translation device, first indulge move the device and the second indulges the device that moves, translation device, first indulge move the device and the second indulge move the device all install on base plate 1:

the first longitudinal moving device comprises a first longitudinal frame 3 and a first lead screw mechanism, the first longitudinal frame 3 is vertically installed on the substrate 1, the first longitudinal frame 3 is located in the middle of the side edge of the translation device, a first guide rail 4 is installed on the first longitudinal frame 3, a first sliding seat 6 is connected onto the first guide rail 4 in a sliding mode, the first lead screw mechanism comprises a first lead screw 5 and a first lead screw nut, the first lead screw nut is installed on the first sliding seat 6, and a first motor 7 is connected onto the first lead screw 5; a cantilever bracket 8,Z shaft camera 9 is arranged on the first sliding seat 6 and is arranged on the cantilever bracket; a first grating ruler 10 is installed on the first longitudinal moving device, the first grating ruler 10 is parallel to the first guide rail 4, and a reading head on the first grating ruler 10 is installed on the first sliding base 6. The Z-axis camera 9 is provided with a first light source 11.

The second longitudinal moving device comprises a second longitudinal frame 12 and a second lead screw mechanism, wherein the second longitudinal frame 12 is vertically arranged on the base plate 1, and the second longitudinal frame 12 is positioned at the end part of the translation device. A second guide rail is arranged on the second longitudinal frame 12, a second sliding seat 14 is connected to the second guide rail in a sliding manner, the second lead screw mechanism comprises a second lead screw 13 and a second lead screw nut, the second lead screw nut is arranged on the second sliding seat 14, and the second lead screw 13 is connected with a second motor; a U-shaped frame 15 is arranged on the second sliding seat 14, two ends of the U-shaped frame 15 are parallel to the translation path, an X-axis camera 16 is arranged in the middle of the U-shaped frame 15, and a Y-axis camera 17 is arranged at one end of the U-shaped frame 15; and a second grating ruler 18 is arranged on the second longitudinal moving device, the second grating ruler 18 is parallel to the second guide rail, and a reading head on the second grating ruler 18 is arranged on the second sliding seat 14. The fields of view of the X-axis camera 16 and the Y-axis camera 17 are perpendicular to each other. The X-axis camera 16 is mounted with a second light source 19, and the U-shaped frame 15 is mounted with a third light source 20 at an end opposite to the Y-axis camera 17, the third light source 20 facing the Y-axis camera 17.

The translation device comprises a third guide rail 21 and a third screw mechanism, the third guide rail 21 is horizontally installed on the substrate 1, one section of the third guide rail 21 is flush with one edge of the substrate 1, one end of the third guide rail 21, which is flush with the edge of the substrate 1, is a starting end, and the other end of the third guide rail 21 is a terminating end. A third slide carriage 23 is connected to the third guide rail 21 in a sliding manner, the third lead screw mechanism comprises a third lead screw 22 and a third lead screw nut, the third lead screw nut is mounted on the third slide carriage 23, and a third motor 24 is connected to the third lead screw 22; the workpiece table 2 is arranged on the third sliding seat 23; and a third grating ruler 27 is installed on the translation device, the third grating ruler 27 is parallel to the third guide rail 21, and a reading head on the third grating ruler 27 is installed on the third sliding seat 23.

The reading heads of the three grating rulers are provided with digital display screens, so that operators can read the reading conveniently and visually, and accurate displacement values of the X-axis camera 16, the Y-axis camera 17 and the Z-axis camera 9 can be obtained. In other embodiments, the reading heads may not have a digital display screen, but are connected with the central control system through serial ports, and output electric signals after passing through the central control system, or the readings of the three reading heads are collectively displayed on the same display screen. The motors on the first motor 7, the second motor, the third motor 24 and the rotating mechanism 25 are all servo motors, so that accurate control is facilitated. The first light source 11, the second light source 19 and the third light source 20 are all LED lamps.

The workpiece table 2 comprises a rotating mechanism 25 and a clamp 26, the rotating mechanism 25 is a motor, the clamp 26 is a pneumatic clamp for clamping an end mill, and the clamp 26 is installed on the output end of the rotating mechanism 25.

The specific implementation process comprises the following steps:

the third slide 23 of the translation device is moved to the start end position, which is the position for clamping the end mill to be tested, and the end face of the edge end of the end mill is mounted on the clamp 26 facing upwards. The third motor 24 rotates to drive the third lead screw 22 to rotate, so that the third sliding seat 23 slides towards the terminating end, when the end mill moves to the position below the Z-axis camera 9, the first light source 11 is turned on, the first motor 7 drives the first lead screw 5, so that the cantilever rack 8 and the Z-axis camera 9 on the cantilever rack 8 are driven to move up and down, the end face of the end mill is located at the focal position of the Z-axis camera 9, and the Z-axis camera 9 performs photographing identification on the end face of the end mill. After the Z-axis camera 9 finishes photographing, the third sliding seat 23 continues to slide until the third sliding seat slides to the end position and then stops, the second light source 19 and the third light source 20 are opened, the second motor drives the second lead screw 13, the cross position of the focuses of the X-axis camera 16 and the Y-axis camera 17 falls in the middle of the cutting edge of the end mill, the X-axis camera 16 and the Y-axis camera 17 photograph two side faces of the end mill, the Y-axis camera 17 photographs for outline identification, and the X-axis camera 16 is used for spiral identification. After the whole detection of the end mill is finished, the moving part of the translation device moves to the initial position again, and other end mills of the same type are replaced without adjusting the first longitudinal moving device and the second longitudinal moving device; for end mills of different models, the height and the diameter of the end mill can be changed, and the translation device, the first longitudinal moving device and the second longitudinal moving device are matched with each other to adjust the focuses of the X-axis camera 16 and the Z-axis camera 9.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the schemes is not described herein. It should be pointed out that, for the person skilled in the art, without departing from the structure of the invention, a number of variants and improvements can be made, which should also be regarded as the scope of protection of the invention, which will not affect the effect of the implementation of the invention and the utility of the invention. The descriptions in the embodiments and the like in the specification can be used to explain the contents of the claims.

Claims

1. End mill cutter detector, its characterized in that: the automatic translation device comprises a workpiece table, a translation device, a first longitudinal movement device and a second longitudinal movement device, wherein the workpiece table is installed on a moving part of the translation device, the workpiece table comprises a rotating mechanism and a clamp, the clamp is installed on the rotating mechanism, a Z-axis camera is installed on the moving part of the first longitudinal movement device, the first camera faces downwards, an installation frame is installed on the moving part of the second longitudinal movement device, an X-axis camera and a Y-axis camera are installed on the installation frame, a translation path of the translation device is in the visual field of the X-axis camera, the Y-axis camera and the Z-axis camera, and the longitudinal movement direction of the first longitudinal movement device and the longitudinal movement direction of the second longitudinal movement device are perpendicular to the direction of the translation path.

2. The end mill cutter tester of claim 1, wherein: the first longitudinal moving device comprises a first longitudinal frame and a first lead screw mechanism, a first guide rail is arranged on the first longitudinal frame, a first sliding seat is connected onto the first guide rail in a sliding manner, the first lead screw mechanism comprises a first lead screw and a first lead screw nut, the first lead screw nut is arranged on the first sliding seat, and a first motor is connected onto the first lead screw; a cantilever frame is arranged on the first sliding seat, and the Z-axis camera is arranged on the cantilever frame.

3. The end mill cutter tester of claim 2, wherein: the second longitudinal moving device comprises a second longitudinal frame and a second lead screw mechanism, a second guide rail is arranged on the second longitudinal frame, a second sliding seat is connected onto the second guide rail in a sliding manner, the second lead screw mechanism comprises a second lead screw and a second lead screw nut, the second lead screw nut is arranged on the second sliding seat, and a second motor is connected onto the second lead screw; the second sliding seat is provided with a U-shaped frame, two ends of the U-shaped frame are parallel to the translation path, the X-axis camera is arranged in the middle of the U-shaped frame, and the Y-axis camera is arranged at one end of the U-shaped frame.

4. The end mill cutter tester of claim 3, wherein: the X-axis camera and the Y-axis camera have mutually perpendicular fields of view.

5. The end mill cutter tester of claim 4 wherein: install first light source on the Z axle camera, install the second light source on the X axle camera, install the third light source on the U type frame with Y axle camera relative one end, the third light source is towards Y axle camera.

6. The end mill cutter tester of claim 5, wherein: the translation device comprises a third guide rail and a third lead screw mechanism, the third guide rail is connected with a third sliding seat in a sliding manner, the third lead screw mechanism comprises a third lead screw and a third lead screw nut, the third lead screw nut is installed on the third sliding seat, and the third lead screw is connected with a third motor; the workpiece table is mounted on the third slide carriage.

7. The end mill cutter inspection gauge of claim 6, wherein: the first motor, the second motor and the third motor are servo motors, a first grating ruler is installed on the first longitudinal moving device, the first grating ruler is parallel to the first guide rail, and a reading head on the first grating ruler is installed on the first sliding seat; a second grating ruler is arranged on the second longitudinal moving device, the second grating ruler is parallel to the second guide rail, and a reading head on the second grating ruler is arranged on the second sliding seat; and a third grating ruler is arranged on the translation device, the third grating ruler is parallel to the third guide rail, and a reading head on the third grating ruler is arranged on a third sliding seat.

8. The end mill cutter tester of claim 7, wherein: the device comprises a base plate, and a translation device, a first longitudinal moving device and a second longitudinal moving device are all arranged on the base plate.

9. The end mill cutter tester of claim 8, wherein: the translation path comprises a starting end and a terminating end, the second longitudinal moving device is installed on one side of the terminating end, and the Z-axis camera is located between the starting end and the second longitudinal moving device.