CN207649530U - Drill bit back angle measuring apparatus - Google Patents
Drill bit back angle measuring apparatus Download PDFInfo
- Publication number
- CN207649530U CN207649530U CN201721717169.4U CN201721717169U CN207649530U CN 207649530 U CN207649530 U CN 207649530U CN 201721717169 U CN201721717169 U CN 201721717169U CN 207649530 U CN207649530 U CN 207649530U
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- CN
- China
- Prior art keywords
- drill bit
- measuring apparatus
- back angle
- test desk
- angle measuring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The utility model provides a kind of drill bit back angle measuring apparatus, belongs to field of mechanical technique.It solves the problems, such as that existing drill bit back angle measuring apparatus is of high cost, time of measuring length.This drill bit back angle measuring apparatus, including test desk, the holder being fixed on test desk and the measuring unit for measuring chisel edge Surface Parameters on holder, test desk is equipped with the positioning component for vertically oriented drill bit, test desk is equipped with for driving drill bit along the power unit of own central axis line uniform rotation, holder is equipped with the control system for controlling power unit velocity of rotation, and measuring unit is connect with control system.By the drill bit relief angle measuring apparatus, the efficiency of drill bit back angle measurement can be improved, measurement result can be directly displayed, be improved work efficiency, reduce labor intensity, and increased economic benefit, effectively reduced equipment cost.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of drill bit back angle measuring apparatus.
Background technology
For the measurement method of spiral bit relief angle, there are two main classes at present：One kind is to use universal tool-measuring microscope, this
Kind of method have the shortcomings that time of measuring is long, process is cumbersome, can not Rapid reading and measuring apparatus it is of high cost, use not enough
It is convenient；Another kind of method is measured based on image processing techniques, and this method has measuring speed fast, convenient reading it is excellent
Point, but its measuring apparatus is of high cost.
Invention content
The purpose of this utility model is the presence of the above problem in view of the prior art, it is proposed that a kind of accurately and quickly to obtain
Go out the drill bit back angle measuring apparatus of measurement result.
The purpose of this utility model can be realized by following technical proposal：
This drill bit back angle measuring apparatus, including test desk, the holder that is fixed on test desk and be used on holder
The measuring unit of chisel edge Surface Parameters is measured, the test desk is equipped with the positioning component for vertically oriented drill bit,
It is characterized in that, the test desk is equipped with for driving drill bit along the power unit of own central axis line uniform rotation, it is described
Holder be equipped with control system for controlling power unit velocity of rotation, the measuring unit is connect with control system.
In above-mentioned drill bit back angle measuring apparatus, the control system includes display, controller and parameter input
Equipment, the power unit are connect with controller, and the measuring unit is connect by RS232 Serial Port Lines with controller.
In above-mentioned drill bit back angle measuring apparatus, the parameter input device is keyboard.
In above-mentioned drill bit back angle measuring apparatus, the measuring unit is the thousand points/percentage micrometer with probe,
Described thousand points/percentage micrometer probe extending direction is identical as the extending direction of drill bit and the curved surface of face chisel edge is set
It sets.
In above-mentioned drill bit back angle measuring apparatus, the power unit is stepper motor.
In above-mentioned drill bit back angle measuring apparatus, the positioning component includes the location hole being opened on test desk,
The stepper motor is located at the lower end of the location hole.It is equipped with chamfering at the port of the location hole, drill bit is inserted into positioning
When in hole, the lower end of drill bit is coaxially connected by dismountable connection type and the shaft of stepper motor.
In above-mentioned drill bit back angle measuring apparatus, the holder includes the montant and water being fixed on vertically on test desk
The flat cross bar on montant, the measuring unit are set on cross bar, and the control system is set on cross bar.Cross bar is opposite
There is three degree of freedom in montant：Cross bar can be moved up and down along montant, around the axial fortune of montant rotation and cross bar itself
It is dynamic, after cross bar moves in place, it is connected with montant.Display and keyboard are placed on cross bar, it is easy to operation.
In above-mentioned drill bit back angle measuring apparatus, the test desk is equipped with level meter.
For thousand points/percentage micrometer perpendicular to the upper surface of test desk, location hole is vertical at the upper surface of test desk, as long as
Ensure the levelness of test desk upper surface, then can guarantee workplace vertical setting, therefore level meter is set, make at test desk upper surface
In in horizontal plane.
Controller is responsible for Driving Stepping Motor uniform rotation, while receiving the data that thousand points/percentage micrometer transmits, control
Device turns to the time needed for peak by the peak for finding drill bit that sorts, minimum point, from minimum point, in conjunction with the brill of input
The parameters such as radius, the precision of head calculate the parameters such as relief angle and the error of drill bit, and are sent on display and show.Thousand
Point/percentage micrometer completes the sampling of the height change of measurement point when being rotated to drill bit, and data passed by RS232 Serial Port Lines
It is defeated by control system.Controller control drill bit uniform rotation is simultaneously synchronous with the acquisition holding of the data of thousand points/percentage micrometer.
The measurement method of above-mentioned drill bit back angle measuring apparatus, includes the following steps：
Drill bit is located in by positioning component on test desk by step 1 manually, and adjusting bracket makes thousand points/percentage micrometer
The vertically-aligned drill bit curved surfaces of probe opsition dependent radius r on point to be measured, that is, the distance away from drill bit central axes of popping one's head in be r,
For drill bit radius；
Angle value and the margin of tolerance etc. after step 2, the radius r that drill bit to be measured is inputted by parameter input device, precision, expection
Parameter；
Step 3, controller Driving Stepping Motor uniform rotation, the probe of thousand points/percentage micrometer are squeezed by drill bit curved surface
Pressure and generate axial movement, stepper motor often rotate the primary value for just recording thousand points/percentage micrometer and stepper motor
The two numerical value are corresponded and are stored by number of revolutions (number of revolutions of stepper motor is by counter records), it is desirable that stepping electricity
The rotational angle of machine needs to be greater than or equal to 2 π, that is, is greater than or equal to 360 °；
The data sampled are transferred to controller, controller by step 4, thousand points/percentage micrometer by RS232 Serial Port Lines
Lose continuous constant invalid value, other virtual values are scaled the highest point and the lowest point of measurement point difference in height k and this
Plane Angle δ between 2 points, in conjunction with parameters such as preset radius r, after controller calculates reality by trigonometric function formula
Angle α and departure judge whether product is qualified, and result are shown.
Compared with prior art, the utility model has the following advantages：
By presetting relevant parameter to control system, the relief angle for fast and accurately measuring and showing surveyed drill bit is realized
Value, then with the margin of tolerance compared with pair, quickly the qualified or not of drill bit can be judged, working efficiency is improved, mitigates and works
Intensity increases economic benefit, effectively reduces equipment cost.
Description of the drawings
Fig. 1 is the structural schematic diagram of preferred embodiment provided by the utility model.
Fig. 2 is the structural schematic diagram of drill bit to be measured provided by the utility model.
In figure, 1, test desk；2, montant；3, cross bar；4, control system；5, measuring unit；6, drill bit；7, level meter；8、
Power unit；9, location hole.
Specific implementation mode
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
Embodiment one
Drill bit back angle measuring apparatus as shown in Figure 1 measures the drill bit 6 of Fig. 2, it includes test desk 1, is fixed on
Holder on test desk 1 and the measuring unit 5 for measuring 6 front end Surface Parameters of drill bit on holder are set on test desk 1
It is useful for the positioning component of vertically oriented drill bit 6, test desk 1 is equipped with for driving drill bit 6 along own central axis line uniform rotation
Power unit 8, holder is equipped with control system 4 for controlling 8 velocity of rotation of power unit, and measuring unit 5 is with control
4 connection of system.
In the present embodiment, control system 4 includes display, controller and parameter input device, power unit 8 and controller
Connection, measuring unit 5 are connect by RS232 Serial Port Lines with controller.Wherein, parameter input device is keyboard.
Measuring unit 5 is thousand points of micrometers with probe, the extension of the extending direction and drill bit 6 of thousand points of micrometers probe
Direction is identical and the setting of the curved surface of 6 front end of face drill bit.
As shown in Figure 1, power unit 8 is stepper motor.
As shown in Figure 1, positioning component includes the location hole 9 being opened on test desk 1, stepper motor is located at the location hole 9
Lower end at.Specifically, in the end set claw of stepping motor rotating shaft, after drill bit 6 is inserted into location hole 9, claw energy
Drill bit 6 is clamped, drill bit 6 and the shaft of stepper motor is made coaxially to be connected.After drill bit 6 is fixed, between drill bit 6 and location hole 9
Gap coordinates.
As shown in Figure 1, holder includes the montant 2 being fixed on vertically on test desk 1 and the horizontal cross bar 3 being set on montant 2,
Measuring unit 5 is set on cross bar 3, and control system 4 is set on cross bar 3.Cross bar 3 has three degree of freedom relative to montant 2：It is horizontal
Bar 3 can move up and down along montant 2, around the rotation of montant 2 and cross bar 3 axial movement of itself, when the movement of cross bar 3 in place
Afterwards, it is connected with montant 2.Display and keyboard are placed on cross bar 3, it is easy to operation.
As shown in Figure 1, being equipped with level meter 7 on test desk 1.Thousand points of micrometers are perpendicular to the upper surface of test desk 1, positioning
Hole 9 is vertical at the upper surface of test desk 1, as long as ensureing the levelness of 1 upper surface of test desk, then can guarantee that workplace vertical is set
It sets, therefore level meter 7 is set, 1 upper surface of test desk is made to be in horizontal plane.
Controller is responsible for Driving Stepping Motor uniform rotation, while receiving the data that thousand points of micrometers transmit, and controller is logical
It crosses the peak for finding drill bit 6 that sorts, minimum point, turn to the time needed for peak from minimum point, in conjunction with the drill bit 6 of input
The parameters such as radius, precision calculate the parameters such as relief angle and the error of drill bit 6, and be sent on display and show.Thousand points
The sampling of the height change of measurement point when micrometer is completed to rotate drill bit 6, and data are transferred to control by RS232 Serial Port Lines
System 4 processed.Controller control 6 uniform rotation of drill bit is simultaneously synchronous with the acquisition holding of the data of thousand points of micrometers.
The measurement method of drill bit back angle measuring apparatus, includes the following steps：
Drill bit 6 is located in by positioning component on test desk 1 by step 1 manually, and adjusting bracket makes the spy of thousand points of micrometers
Head vertically-aligned 6 curved surfaces of drill bit of opsition dependent radius r on point to be measured (6 curved surface of alignment probe drill bit of thousand minutes micrometers
Edge, when drill bit 6 rotates, the border movement of the probes of thousand points of micrometers along 6 curved surface of drill bit), that is, pop one's head in away from 6 central axes of drill bit
Distance be r, be 6 radius of drill bit；
Angle value and the margin of tolerance after step 2, the radius r that drill bit 6 to be measured is inputted by parameter input device, precision, expection
Etc. parameters；
Step 3, controller Driving Stepping Motor uniform rotation, the probes of thousand points of micrometers by 6 curved surface of drill bit extruding and
Axial movement is generated, stepper motor often rotates the number of revolutions of the primary value and stepper motor for just recording thousand points of micrometers
The two numerical value are corresponded and are stored, it is desirable that the rotation of stepper motor by (number of revolutions of stepper motor is by counter records)
Angle needs to be greater than or equal to 2 π, that is, is greater than or equal to 360 °；
The data sampled are transferred to controller by step 4, thousand points of micrometers by RS232 Serial Port Lines, and controller is lost
Continuous constant invalid value, other virtual values are scaled the highest point and the lowest point of measurement point difference in height k and this 2 points
Between Plane Angle δ, in conjunction with parameters such as preset radius r, controller by trigonometric function formula calculate practical back angle α and
Departure judges whether product is qualified, and result is shown.
Embodiment two
The structural principle of the present embodiment is essentially identical with the structural principle of embodiment one, and different places is, measures single
Member 5 is percentage micrometer.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (8)
1. a kind of drill bit back angle measuring apparatus, including test desk (1), the holder that is fixed on test desk (1) and on holder
For measuring the measuring units (5) of drill bit (6) front end Surface Parameters, the test desk (1) is equipped with for vertically oriented
The positioning component of drill bit (6), which is characterized in that the test desk (1) is equipped with for driving drill bit (6) along own central axis line
The power unit (8) of uniform rotation, the holder are equipped with the control system for controlling power unit (8) velocity of rotation
(4), the measuring unit (5) is connect with control system (4).
2. drill bit back angle measuring apparatus according to claim 1, which is characterized in that the control system (4) includes aobvious
Show that device, controller and parameter input device, the power unit (8) are connect with controller, the measuring unit (5) passes through
RS232 Serial Port Lines are connect with controller.
3. drill bit back angle measuring apparatus according to claim 2, which is characterized in that the parameter input device is key
Disk.
4. drill bit back angle measuring apparatus according to claim 3, which is characterized in that the measuring unit (5) be with
Thousand points/percentage the micrometer of probe, the extending direction phase of the extending direction and drill bit (6) of described thousand points/percentage micrometer probe
Same and face drill bit (6) front end curved surface setting.
5. drill bit back angle measuring apparatus according to claim 4, which is characterized in that the power unit (8) is stepping
Motor.
6. drill bit back angle measuring apparatus according to claim 5, which is characterized in that the positioning component includes being opened in
Location hole (9) on test desk (1), the stepper motor are located at the lower end of the location hole (9).
7. drill bit back angle measuring apparatus according to claim 1, which is characterized in that the holder includes being fixed on vertically
Montant (2) and the horizontal cross bar (3) being set on montant (2), the measuring unit (5) on test desk (1) are set to cross bar (3)
On, the control system (4) is set on cross bar (3).
8. drill bit back angle measuring apparatus according to claim 1, which is characterized in that the test desk (1) is equipped with water
Level (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721717169.4U CN207649530U (en) | 2017-12-08 | 2017-12-08 | Drill bit back angle measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721717169.4U CN207649530U (en) | 2017-12-08 | 2017-12-08 | Drill bit back angle measuring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207649530U true CN207649530U (en) | 2018-07-24 |
Family
ID=62880127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721717169.4U Expired - Fee Related CN207649530U (en) | 2017-12-08 | 2017-12-08 | Drill bit back angle measuring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207649530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883849A (en) * | 2017-12-08 | 2018-04-06 | 湖北民族学院 | Drill bit back angle measuring apparatus and measuring method |
-
2017
- 2017-12-08 CN CN201721717169.4U patent/CN207649530U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883849A (en) * | 2017-12-08 | 2018-04-06 | 湖北民族学院 | Drill bit back angle measuring apparatus and measuring method |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 Termination date: 20201208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |