CN203141306U - Polishing detecting device of taper-shank twist drill bit - Google Patents
Polishing detecting device of taper-shank twist drill bit Download PDFInfo
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- CN203141306U CN203141306U CN 201320116423 CN201320116423U CN203141306U CN 203141306 U CN203141306 U CN 203141306U CN 201320116423 CN201320116423 CN 201320116423 CN 201320116423 U CN201320116423 U CN 201320116423U CN 203141306 U CN203141306 U CN 203141306U
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- taper
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- drill
- locating shaft
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Abstract
The utility model discloses a polishing detecting device of a taper-shank twist drill bit. The detecting device comprises a base, a drill bit clamping assembly and a detection assembly, wherein the drill bit clamping assembly and the detection assembly are installed at two ends of the top face of the base respectively, and transverse T-type grooves are formed in the top face of the base in parallel. The drill bit clamping assembly comprises a shaft base, a location shaft and a reduction sleeve, the detection assembly comprises a support, an adjusting base and a detection block, the height of the top face of the detection block is equal to that of a center line of the drill bit to be detected, the drill bit is inserted in the reduction sleeve, the detection block is provided with a detection back face, and the detection back face gets close to and flat fitted with a main cutting edge of the drill bit to be detected. The polishing detecting device of the taper-shank twist drill bit is provided with the detection block, the height of the top face of the detection block is equal to that of the center line of the drill bit to be detected, the detection block is provided with the detection back face, and the detection back face is matched and fitted with a rotation face of main cutting edge of the taper-shank twist drill bit to be detected, so that the situation that a main relief angle of the taper-shank twist drill bit after being reground is higher than the main cutting edge so that the main cutting edge cannot participate in cutting can be avoided, and detection quality and detection efficiency of the regrinding of the taper-shank twist drill bit are improved.
Description
Technical field
The utility model relates to the spiral bit field, particularly a kind of taper-shank twist drill reconditioning checkout gear.
Background technology
Spiral bit is cutting tool the most frequently used in the machining, mainly is made up of shank and operate portions.The cutting portion of operate portions has two main cutting edges and front cutting edge, two front and backs, and two lands and a chisel edge are formed, and undertake whole cutworks.The guide part of operate portions plays guiding and is equipped with the mill effect, and chip pocket is done spirality in order to dust lead.
Existing spiral bit uses the qualified requirement of wearing and tearing back reconditioning need guarantee that its drill bit primary clearance is lower than main cutting edge, thereby guarantee that the main sword of cutting can participate in cutting, whether primary clearance is lower than main cutting edge is adopted visual inspection, make drill bit primary clearance after reconditioning whether be higher or lower than main cutting edge and be difficult to judge by artificial experience entirely, detect of poor quality, efficient is low.
The utility model content
The utility model is in order to overcome defective in the above-mentioned prior art, provide a kind of simple and reasonable, back drill bit primary clearance is higher than main cutting edge, the main sword of cutting can not participate in cutting can to prevent spiral bit from refacing, and detects all high taper-shank twist drill reconditioning checkout gears of quality and efficient.
For achieving the above object, provide a kind of taper-shank twist drill reconditioning checkout gear according to the utility model, comprising: base, and the drill bit clamp assemblies and the detection components that are installed in the base top surface two ends respectively, base top surface is parallel to offer horizontal T type groove;
The drill bit clamp assemblies comprises: axle bed, locating shaft and drill holder; The axle bed bottom is fixed on base top surface, the rotating described axle bed top that laterally is located in of locating shaft, and drill holder is located in the locating shaft;
Detection components comprises: bearing, adjustment seat and detection piece; The bearing bottom movably is installed in the horizontal T type groove by first clamping screw, and the top offers vertical T type groove, adjusts the seat bottom and movably is installed in vertical T type groove by second clamping screw; Detect piece and be fixed on and adjust a seat top, make that to detect the piece end face contour with the center line that is plugged in the drill bit to be detected in the drill holder, detect that piece has and the main cutting edge of drill bit to be detected near the detection back of developing.
In the technique scheme, laterally T type groove is two, is set in parallel in drill bit to be detected both sides.
In the technique scheme, the axis hole of locating shaft is Mohs 3# taper hole.
In the technique scheme, the outer cone of drill holder is Mohs 3#, and inner cone is Mohs 2#, Mohs 1# or Mohs 0#.
In the technique scheme, the outside of locating shaft is served as reasons right to the gradually little step axle construction of left diameter, its right-hand member stepped diameters is greater than the locating shaft installing hole diameter of axle bed, the stage casing stepped diameters cooperates with the locating shaft installing hole diametric clearance of axle bed, and axial length is greater than locating shaft installing hole length, the left end stepped diameters is less than the stage casing stepped diameters, and is bolted with the knurled nut.
In the technique scheme, it is identical with the primary clearance deflection of drill bit to be detected to detect the back deflection.
Compared with prior art, the utlity model has following beneficial effect: this taper-shank twist drill reconditioning checkout gear is by arranging the contour detection piece of end face and center line of bit to be detected, this detection piece has the detection back with the adaptive applying of the main cutting edge surfaces of revolution of taper-shank twist drill to be detected, to come whether to be higher than main cutting edge by detecting back detection drill bit primary clearance by rotating taper-shank twist drill to be detected, it can prevent spiral bit from refacing afterwards, and the drill bit primary clearance is higher than main cutting edge, the main sword of cutting can not participate in cutting, has improved detection quality and efficient that spiral bit is refaced.
Description of drawings
Fig. 1 is the main TV structure schematic diagram of taper-shank twist drill reconditioning checkout gear of the present utility model;
Fig. 2 is the plan structure schematic diagram of taper-shank twist drill reconditioning checkout gear of the present utility model;
Fig. 3 is the cutaway view of the A-A direction of Fig. 2;
Fig. 4 is the structural representation of the detection piece of taper-shank twist drill reconditioning checkout gear of the present utility model;
Fig. 5 is the cutaway view of the I-I direction of Fig. 4;
Description of reference numerals:
The 1-base; The horizontal T type of 11-groove, 21-axle bed, 22-locating shaft, 23-drill holder, 24-knurled nut, 25-adjusts pad, 31-bearing, 311-clamping screw, the vertical T type of 312-groove, 313-clamping screw, 32-adjusts seat, and 33-detects piece, and 331-detects the back, 4-taper drill to be detected, 41-main cutting edge.
The specific embodiment
Below in conjunction with accompanying drawing, a specific embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model is not subjected to the restriction of the specific embodiment.It will be appreciated that, mentioned in the following embodiment of the present utility model " on ", D score, " left side ", " right side ", " front " and " reverse side " be benchmark with the direction shown in each figure all, these words that are used for limiting direction only are for convenience of explanation, do not represent the restriction to the concrete technical scheme of the utility model.
Taper-shank twist drill reconditioning checkout gear of the present utility model is by arranging the contour detection piece of end face and center line of bit to be detected, this detection piece has the detection back with the adaptive applying of the main cutting edge surfaces of revolution of taper-shank twist drill to be detected, to come whether to be higher than main cutting edge by detecting back detection drill bit primary clearance by rotating taper-shank twist drill to be detected, it can prevent spiral bit from refacing, and back drill bit primary clearance is higher than main cutting edge, the main sword of cutting can not participate in cutting, has improved detection quality and efficient that spiral bit is refaced.
As shown in Figure 1 to Figure 3, the concrete structure of this taper-shank twist drill reconditioning checkout gear comprises: base 1, and the drill bit clamp assemblies and the detection components that are installed in these two ends, base 1 end face left and right sides respectively.Wherein, the drill bit clamp assemblies is used for the taper shank of supporting taper-shank twist drill to be detected, and rotates taper-shank twist drill to be detected when detecting.The highest plane of detection piece (end face) of detection components is contour with center line of bit to be detected, to guarantee main cutting edge and the detection back of detecting piece close the developing mutually on the fluted drill, taper-shank twist drill to be detected is rotated counterclockwise when detecting, as the drill bit main cutting edge for the highest, when namely being higher than the drill bit primary clearance, the primary clearance of drill bit main cutting edge does not have interference with the detection back of detecting piece and passes through, otherwise can not be by detecting the detection back of piece, whether the spiral bit primary clearance that so just can effectively detect after the reconditioning is qualified, guarantees correctly using of spiral bit.
Base 1 is rectangular plate-like, and the left end both sides offer screwed hole, is used for by bolting drill bit clamp assemblies.This screwed hole right side upper-lower position is parallel to offer two horizontal T type grooves 11, is used for the installation and measuring assembly, can be enough checks needs according to the taper-shank twist drill to be detected of different length, move detection from both sides along T type groove 11.
The drill bit clamp assemblies comprises: axle bed 21, locating shaft 22, drill holder 23 and knurled nut 24, and wherein, axle bed 21 is the inverted T shape structure, its crossbeam is by being bolted to base 1 left end; The locating shaft installing hole that connects about its vertical beam top offers.The axis hole of locating shaft 22 is Mohs 3# taper hole, Mohs 3# taper hole, and can connect outer cone is that Mohs 3#, inner cone are the different drill holder 23 of Mohs 2# or Mohs 1# or Mohs 0#, thereby realizes detecting different drill bits by changing drill holder.The outside of locating shaft 22 is served as reasons right to the gradually little step axle construction of left diameter, and its right-hand member stepped diameters is greater than the locating shaft installing hole diameter of axle bed 21, thereby prevents that locating shaft from scurrying out to left end; Its stage casing stepped diameters cooperates with the locating shaft installing hole diametric clearance of axle bed 21, and axial length is greater than locating shaft installing hole length; Its left end stepped diameters is less than the stage casing stepped diameters, and has external screw thread.During assembling, locating shaft 22 is located in the locating shaft installing hole of axle bed 21, and its right-hand member step is as stop lug, and left end is tightened by knurled nut 24 and prevented that locating shaft from scurrying out to right-hand member.Knurled nut 24 inboard can also arrange adjusts pad 25, and in addition, loosening in order to prevent knurled nut 24, knurled nut 24 can adopt double nuts structure, becomes flexible preventing.For ease of locating shaft 22 hand rotation, knurled nut 24 surfaces are circular annular knurl pattern.
Because locating shaft stage casing length of bench is longer than locating shaft installing hole length, there was end play (knurled nut is not adjacent to axle bed vertical beam left side) in locating shaft and axle bed vertical beam left side when the knurled nut compressed locating shaft, made locating shaft 22 can rotate in the locating shaft installing hole but the axle bed of can't scurrying out.
Detection components comprises: bearing 31, adjust seat 32 and detect piece 33, wherein, bearing 31 is by the T type groove 11 adaptive installations of clamping screw 311 with base 1, make the T type groove 11 of bearing 31 by base 1 can be on base move left and right; The top of bearing 31 offers vertical T type groove 312, adjust seat 32 by the vertical T type groove 312 adaptive installations of clamping screw 313 with bearing 31, make and adjust seat 32(together with detecting piece 33) T type groove 312 by bearing 31 can vertically move up and down on bearing or rotate.
Detect piece 33 and be fixed on adjustment seat 32 tops by four sunk screws, and position by the step of adjusting seat 32 tops.As shown in Figure 4 and Figure 5, the lower-left side that detects piece 33 has the back 331 of detection, it is identical with the primary clearance deflection of tested drill bit to detect back 331 deflections, detect back 331 during detection and develop (detecting the adaptive applying of the surfaces of revolution of the main cutting edge on back 331 and the fluted drill) with the main cutting edge on the fluted drill is close, taper-shank twist drill to be detected is rotated counterclockwise when detecting, as the drill bit main cutting edge for the highest, when namely being higher than the drill bit primary clearance (main cutting edge along drill bit shaft to stretching out), the primary clearance of drill bit main cutting edge does not have interference with the detection back of detecting piece and passes through, otherwise can not be by detecting the detection back of piece, whether the spiral bit primary clearance that so just can effectively detect after the reconditioning is qualified, guarantees correctly using of spiral bit.
Extremely shown in Figure 5 as Fig. 1, (arrow represents taper-shank twist drill direction of rotation to be detected among the figure), during detection, the taper shank of taper-shank twist drill 4 to be detected is installed in the drill holder 23, and this moment, the highest plane of detection piece (end face) of detection components was contour with center line of bit to be detected; Detect piece 33 by movement, rotation, make the detection back 331 of the detection piece 33 on main cutting edge 41 and the device of taper drill 4 to be detected mutually near developing, rotate the knurled nut by counterclockwise hand, making locating shaft 22 drive the fluted drill that is contained on the locating shaft 22 rotates, the drill bit main cutting edge is when the highest, the primary clearance of drill bit main cutting edge does not have interference with the back of detecting piece, knife face can be by detecting piece behind the drill bit, otherwise can not be by detecting piece, like this can be limited effect whether detect the spiral bit relief angle correct, guarantee correctly using of spiral bit.
This taper-shank twist drill reconditioning checkout gear is by arranging the contour detection piece of end face and center line of bit to be detected, this detection piece has the detection back with the adaptive applying of the main cutting edge surfaces of revolution of taper-shank twist drill to be detected, to come whether to be higher than main cutting edge by detecting back detection drill bit primary clearance by rotating taper-shank twist drill to be detected, it can prevent spiral bit from refacing, and back drill bit primary clearance is higher than main cutting edge, the main sword of cutting can not participate in cutting, has improved detection quality and efficient that spiral bit is refaced.
More than disclosed only be several specific embodiment of the present utility model, still, the utility model is not limited thereto, any those skilled in the art can think variation all should fall into protection domain of the present utility model.
Claims (6)
1. a taper-shank twist drill reconditioning checkout gear is characterized in that, comprising: base, and the drill bit clamp assemblies and the detection components that are installed in described base top surface two ends respectively, and described base top surface is parallel to offer horizontal T type groove;
Described drill bit clamp assemblies comprises: axle bed, locating shaft and drill holder; Described axle bed bottom is fixed on described base top surface, the rotating described axle bed top that laterally is located in of described locating shaft, and described drill holder is located in the described locating shaft;
Described detection components comprises: bearing, adjustment seat and detection piece; Described bearing bottom movably is installed in the described horizontal T type groove by first clamping screw, and the top offers vertical T type groove, and described adjustment seat bottom movably is installed in described vertical T type groove by second clamping screw; Described detection piece is fixed on described adjustment seat top, makes that to detect the piece end face contour with the center line that is plugged in the drill bit to be detected in the described drill holder, described detection piece have and the main cutting edge of described drill bit to be detected near the detection back of developing.
2. taper-shank twist drill reconditioning checkout gear according to claim 1, it is characterized in that: described horizontal T type groove is two, is set in parallel in described drill bit to be detected both sides.
3. taper-shank twist drill reconditioning checkout gear according to claim 1, it is characterized in that: the axis hole of described locating shaft is Mohs 3# taper hole.
4. taper-shank twist drill reconditioning checkout gear according to claim 3, it is characterized in that: the outer cone of described drill holder is Mohs 3#, inner cone is Mohs 2#, Mohs 1# or Mohs 0#.
5. taper-shank twist drill reconditioning checkout gear according to claim 1, it is characterized in that: the outside of described locating shaft is served as reasons right to the gradually little step axle construction of left diameter, its right-hand member stepped diameters is greater than the locating shaft installing hole diameter of axle bed, the stage casing stepped diameters cooperates with the locating shaft installing hole diametric clearance of axle bed, and axial length is greater than locating shaft installing hole length, the left end stepped diameters is less than the stage casing stepped diameters, and is bolted with the knurled nut.
6. according to each described taper-shank twist drill reconditioning checkout gear in the claim 1 to 5, it is characterized in that: described detection back deflection is identical with the primary clearance deflection of described drill bit to be detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320116423 CN203141306U (en) | 2013-03-14 | 2013-03-14 | Polishing detecting device of taper-shank twist drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320116423 CN203141306U (en) | 2013-03-14 | 2013-03-14 | Polishing detecting device of taper-shank twist drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203141306U true CN203141306U (en) | 2013-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320116423 Expired - Fee Related CN203141306U (en) | 2013-03-14 | 2013-03-14 | Polishing detecting device of taper-shank twist drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203141306U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269405A (en) * | 2015-11-13 | 2016-01-27 | 东莞市科隆电机有限公司 | High-speed high-precision laser displacement dynamic deflection tester |
| CN109048493A (en) * | 2018-09-05 | 2018-12-21 | 哈尔滨理工大学 | A kind of fluted drill angle measurement unit |
-
2013
- 2013-03-14 CN CN 201320116423 patent/CN203141306U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269405A (en) * | 2015-11-13 | 2016-01-27 | 东莞市科隆电机有限公司 | High-speed high-precision laser displacement dynamic deflection tester |
| CN109048493A (en) * | 2018-09-05 | 2018-12-21 | 哈尔滨理工大学 | A kind of fluted drill angle measurement unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20170314 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |