CN104416424A - Device for polishing rear angle of combined drill bit cutter - Google Patents

Device for polishing rear angle of combined drill bit cutter Download PDF

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Publication number
CN104416424A
CN104416424A CN201310700364.6A CN201310700364A CN104416424A CN 104416424 A CN104416424 A CN 104416424A CN 201310700364 A CN201310700364 A CN 201310700364A CN 104416424 A CN104416424 A CN 104416424A
Authority
CN
China
Prior art keywords
grinding
support
combined drill
drill tool
bearing
Prior art date
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.)
Pending
Application number
CN201310700364.6A
Other languages
Chinese (zh)
Inventor
任桂娟
陈�峰
张奇志
华金虎
万飞
林安欣
祁鹏程
刘月红
郭元
王亚贤
祁豪
刘艳敏
李娟�
张彦波
樊彦良
张文兵
宇忻
李增勋
冯德强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inner Mongolia North Heavy Industries Group Co Ltd
Original Assignee
Inner Mongolia North Heavy Industries Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to CN201320539949X priority Critical
Priority to CN201320539949 priority
Application filed by Inner Mongolia North Heavy Industries Group Co Ltd filed Critical Inner Mongolia North Heavy Industries Group Co Ltd
Priority to CN201310700364.6A priority patent/CN104416424A/en
Publication of CN104416424A publication Critical patent/CN104416424A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/24Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills

Abstract

The invention relates to a device for polishing a rear angle of a combined drill bit cutter, in particular relates to a polishing device for polishing a rear angle of a cutter, and belongs to the field of milling. The device comprises a motor and a shaft, wherein the shaft is fixedly mounted on a base through bearings; an elastic jacket and a locking screw nut are mounted at one end of the shaft; an index plate is fixedly mounted at the other end of the shaft; an index hole is formed in the index plate; a safety pin positioning hole into which a safety pin can be inserted is formed in the base; a grinding wheel is mounted on an output shaft of the motor. The device has tracked transverse moving and orientated longitudinal push milling manual functions, so that the milling of the cutter is achieved through movement in X, Y and Z axes, the milling tooth index function and the cutter mounting are serialized, the device is applicable to polishing of the rear angle of the radiator combined drill bit, the jacket is convenient to replace, the problems that the pass percent of manual polishing is low and the reuse rate is low are solved, and meanwhile the problems that universal equipment is low in polishing efficiency, high in cost and the like are solved.

Description

Combined drill tool clearance arrangement for grinding
Technical field
The present invention relates to a kind of combined drill tool clearance arrangement for grinding, particularly relate to the arrangement for grinding of tool clearance reconditioning, belong to grinding field.
Background technology
Relief angle reconditioning after tool wear has two kinds of means usually, and one is hand grinding, and control angle carries out grinding artificially; Two is reconditionings on general utility tool grinding machine.
1, hand grinding, manual control angle grinding, control difficulty is large, and the relief angle uniformity of each tooth is poor, deviation is comparatively large, and even reconditioning is scrapped, and impact reuses the crudy of part.Grinding efficiency is low, qualification rate is low, can not meet the requirement that cutter uses in enormous quantities.
2, reconditioning on general utility tool grinding machine, clamping, centering complex operation, because table plane is certain to emery wheel center height, for the cutter of different-diameter, all need adjustment center high, and often grind a tooth, need clamping again, all need to play table when adjustment angle, tool setting and confirm, efficiency is low, when the field such as oil field probing consumption, the amount of reprocessing are large, far away can not practical requirement.
Summary of the invention
The technical problem that the present invention solves is: can realize the uniformity of cutter grinding relief angle, efficient, can realize X, Y, Z tri-axle move the grinding of tool setting, clamping is simple to operate, improves grinding efficiency, improves the predicament that reconditioning in enormous quantities can not satisfy the demands; The technical requirement re-used after reaching reconditioning, reduces cost.
Technical solution
The present invention includes: motor, axle, Cutting tool installation manner axle is fixedly installed on support by bearing, elastic jacket and locking nut are equipped with in axle one end, other end fixed installation index dial, index dial is provided with index hole, support is provided with the locating hole that latch can be made to insert, and the output shaft of motor is equipped with emery wheel.
Further: to be fixedly connected with bearing inner sleeve by axle, bearing outer ring is fixed on support, and axle is rotated, and solves cutter and divides tooth to carry out the problem of grinding.
Further: to be installed with slide plate bottom support, be provided with slideway bottom slide plate, slideway is made up of four rolling, every two one row's composition slideways; On raceway seat, Middle face is provided with feather key, and slideway can slide along feather key.
Further: both sides, raceway seat top are provided with rail bracket, roller is arranged on raceway seat by rail bracket, and roller even partition is placed by rail bracket, and raceway gland is fixedly connected with rail bracket, each roller is turned round in fixed position, thus reduces slide plate resistance to sliding on roller.
Further: raceway seat both sides fixed installation limiting plate, limiting plate has stopper slot, and the spacer pin on limiting plate is fixedly connected on slide plate both sides through stopper slot, and stopper slot stroke motion pressed by slide plate, ensures that each angle of back of tooth face of cutter can both grinding completely.
Further: raceway seat is fixedly connected with transverse shifting supporting plate, transverse shifting supporting plate is fixedly connected with horizontal screw, horizontal screw and horizontal leading screw adopt worm drive, horizontal leading screw is arranged on body support by leading screw bearing, bearing group, transverse shifting supporting plate with horizontal screw transverse shifting on horizontal leading screw, can ensure that cutter arrives grinding position with upper part.
Further: transverse shifting supporting plate two bottom sides is separately installed with guide pad, guide pad slides in cross slide way 38 gathering sill, and cross slide way is fixedly mounted on body support.Cutter is enable to realize displacement.
In order to prevent leading screw from reversing, horizontal leading screw one end connecting handle, the other end is equipped with latch segment, and horizontal leading screw is locked by locking pin by latch segment, and locking pin is arranged on body support.
When described support and slide plate assemble, established angle 10 °, equals tool clearance angle.
Further: motor is fixedly installed on supporting plate, supporting plate is connected with longitudinal screw, longitudinal screw and longitudinal leadscrew adopt worm drive, supporting plate can with longitudinal screw longitudinally leading screw move up and down, longitudinal leadscrew is connected by step, self-aligning bearing with body support.
For convenience of operation, longitudinal leadscrew is installed with the first bevel gear, the first bevel gear engages with the second bevel gear, and the second bevel gear output shaft is provided with control crank.
The output shaft of described second bevel gear is fixedly installed on body support by taper roll bearing, bearing holder (housing, cover).
After the present invention includes cutter clamping, transverse shifting, the adjustment vertically moved and emery wheel are elevated three parts, can realize X, Y, Z tri-axle move, complete the reconditioning to cutter.Machine driving divides electronic and manual two kinds, and containing three rectilinear motions and a gyration, rectilinear motion is completed by manual actuation, and namely two direct manual actuation complete and linked with a gear driving pair; Gyration is driven by motor.For the feature such as environment for use, staff condition, rectilinear motion have employed special screw-nut mechanism and the directed raceway of limited location, has tool setting, reconditioning function, ensure that accuracy and the uniformity of tool clearance reconditioning angle.This device can substitute hand grinding completely, solve tool clearance reconditioning deviation large, can the problems such as reconditioning number of times is few, improve grinding efficiency, extend cutter life.
Accompanying drawing explanation
Fig. 1 is structure principle chart of the present invention;
Fig. 2 is emery wheel and cutter relative position schematic diagram;
Fig. 3 is raceway mounting structure schematic diagram of the present invention;
Fig. 4 is the top view of Fig. 3;
Fig. 5 is raceway of the present invention and slideway mounting structure schematic diagram;
Fig. 6 is the right view of Fig. 5.
Detailed description of the invention
Embodiment 1
The present invention includes: motor 7, axle 16, axle 16 is fixedly installed on support 18 by bearing 17, elastic jacket 15 and locking nut 14 are equipped with in one end of axle 16, chuck 15 endoporus with treat knife milling tool 8 handle of a knife be equipped with, other end fixed installation index dial 20, index dial is provided with index hole, and latch 19 inserts in the locating hole of support 18 by the index hole of index dial; The output shaft 9 of motor 7 is equipped with emery wheel installation sleeve 10, is fixed on output shaft 9 by nut 12, emery wheel 13 is fixed on installation sleeve 10 by binding nut 11; Described axle 16 is fixedly connected with the inner sleeve of bearing 17, and bearing outer ring is fixed on support 18, and axle 16 can be turned round, and solves the problem that cutter divides tooth grinding.Motor 7 is fixedly installed on supporting plate 6, supporting plate 6 is fixedly connected with longitudinal screw 5, longitudinal screw 5 adopts worm drive with longitudinal leadscrew 2, and supporting plate 6 can longitudinally move up and down by leading screw 2, and longitudinal leadscrew 2 is connected by step 43, self-aligning bearing 40 with body support 1.For convenience of operation, longitudinal leadscrew 2 is installed with the first bevel gear 4, first bevel gear 4 and engages with the second bevel gear 3, the second bevel gear 3 output shaft 35 is provided with control crank 33.The output shaft 35 of described second bevel gear 3 is fixedly installed on body support 1 by taper roll bearing 34, bearing holder (housing, cover) 44.
In order to realize orientation, spacing movement, slide plate 41 is installed with bottom support 18, established angle 10 ° when described support 18 assembles with slide plate 41, slideway 31 is installed bottom slide plate 41, slideway 31 is placed in raceway seat 24 feather key 32 both sides, feather key 32 fixedly mounts with on raceway seat 24, and slideway 31 can move along feather key 32; Action bars 42 fixedly mounts and before slide plate 41, push-and-pull action bars 42 makes combination physical efficiency displacement on slideway of support 18 and slide plate 41; Described raceway seat 24 top is symmetrically installed with rail bracket 23, roller 21 is fixedly mounted on raceway seat 24 by rail bracket 23, rail bracket 23 is by roller 21 even partition, raceway gland 23-1 is fixedly connected with rail bracket 23, make each roller 21 in fixed position revolution, reduce slide plate 41 resistance to sliding on roller 21.Described raceway seat 24 both sides fixed installation limiting plate 22, limiting plate 22 has stopper slot, spacer pin 22-1 on limiting plate 22 is fixedly connected on slide plate 41 both sides through stopper slot, and stopper slot stroke motion pressed by slide plate 41, ensures that each angle of back of tooth face of cutter can both grinding completely.
Raceway seat 24 of the present invention is fixedly connected with transverse shifting supporting plate 25, transverse shifting supporting plate 25 is fixedly connected with horizontal screw 30, horizontal screw 30 adopts worm drive with horizontal leading screw 29, horizontal leading screw 29 is arranged on body support 1 by leading screw support 26, bearing assembly 28, supporting plate 25 can, with horizontal screw 30 transverse shifting on horizontal leading screw 29, ensure to treat that knife milling tool 8 arrives grinding position with upper part; Described transverse shifting supporting plate 25 two bottom sides is separately installed with guide pad 39, and guide pad 39 slides in the gathering sill of cross slide way 38, and cross slide way 38 is fixedly mounted on body support 1, makes to treat that knife milling tool 8 can realize displacement; In order to prevent leading screw from reversing, horizontal leading screw 29 one end connecting handle 27, the other end is equipped with latch segment 37, and latch segment 37 is by locking pin 36 locking screw, and locking pin 36 is arranged on body support 1.
The course of work is as follows:
First latch 19 is inserted in the fastening hole on support 18 by index dial 20 index hole, now axle 16 keeps not rotating, elastic jacket 15 keeps not rotating, to insert after elastic jacket 15 endoporus until knife milling tool 8 shank portion again, cutter is kept can not fall nut 14 pretension, clockwise swinging handle 27 drives horizontal leading screw 29 to rotate, horizontal screw 30 moves thus drives supporting plate 25 to move on horizontal leading screw 29, namely treat that knife milling tool 8 moves to emery wheel 13 direction, when until knife milling tool rear corner surface and emery wheel 13 end contact, promoting locking pin 36 makes the inclined-plane of latch segment 37 on its inclined-plane and horizontal leading screw 29 be adjacent to, horizontal leading screw 29 is locked, transverse shifting completes.Shake control crank 33 drives the second bevel gear 3 output shaft 35 to rotate, by the first bevel gear 4 and the second bevel gear 3 engaged transmission, longitudinal leadscrew 2 is rotated, longitudinal screw 5 longitudinally leading screw 2 moves, namely motor 7 moves up and down along with motor supporting plate 6, thus can according to reconditioning face size adjustment emery wheel height, Height Adjustment is suitable, locking nut 14, starts reconditioning, switch on power, motor 7 works, and emery wheel 13 rotates, push-and-pull action bars 42, action bars 42 drives slide plate 41 to reciprocatingly slide at roller 21, reaches grinding rear corner surface.After completing the reconditioning of a tooth, counterclockwise swinging handle 27, grinding state released by cutter, extracts latch 19, and rotate index dial 20, to the position of next tooth, then insert latch 19, repeat a tooth operational motion, by that analogy, reconditioning completes all teeth.Counterclockwise swinging handle 27, transverse shifting supporting plate 25 exits grinding position along guide rail 38, turns off power supply, and emery wheel stops operating.
The present invention compensate for the deficiency of cutter hand grinding and common apparatus reconditioning, improves grinding efficiency, improves tool clearance uniformity, extends service life.This device volume is little, lightweight, and structure is simple, and low cost of manufacture, does not limit by place, is particularly advantageous in mobile operational process and tool wear needs repeatedly the large situation use of reconditioning quality soon.

Claims (11)

1. combined drill tool clearance arrangement for grinding, comprise: motor (7), axle (16), it is characterized in that, axle (16) is fixedly installed on support (18) by bearing (17), elastic jacket (15) and locking nut (14) are equipped with in axle (16) one end, other end fixed installation index dial (20), and index dial (20) is provided with index hole, support (18) is provided with the locating hole that latch (19) can be made to insert, and the output shaft (9) of motor (7) is equipped with emery wheel (13).
2. combined drill tool clearance arrangement for grinding according to right 1, is characterized in that, Cutting tool installation manner axle (16) is fixedly connected with the inner sleeve of bearing (17), and bearing outer ring is fixed on support (18).
3. combined drill tool clearance arrangement for grinding according to right 1 or 2, it is characterized in that, support (18) bottom is installed with slide plate (41), the slideway (31) of slide plate (41) bottom is placed in upper feather key (32) both sides of raceway seat (24), and the combination physical efficiency of support (18) and slide plate (41) is along slideway displacement; Raceway seat (24) above symmetry is equipped with rail bracket (23), rail bracket (23) is equipped with roller (21).
4. combined drill tool clearance arrangement for grinding according to right 3, it is characterized in that, raceway seat (24) both sides fixed installation limiting plate (22), (22) have stopper slot to limiting plate, spacer pin (22-1) on limiting plate (22) is fixedly connected on slide plate (41) both sides through stopper slot, and slide plate (41) is by stopper slot stroke motion.
5. combined drill tool clearance arrangement for grinding according to right 4, it is characterized in that, raceway seat (24) is fixedly connected with transverse shifting supporting plate (25), transverse shifting supporting plate (25) is fixedly connected with horizontal screw (30), horizontal screw (30) adopts worm drive with horizontal leading screw (29), horizontal leading screw (29) is arranged on body support (1) by leading screw bearing (26), bearing assembly (28), and supporting plate (25) can with horizontal screw (30) at the upper transverse shifting of horizontal leading screw (29) with upper part.
6. combined drill tool clearance arrangement for grinding according to right 5, it is characterized in that, supporting plate (25) two bottom sides is separately installed with guide pad (39), and guide pad (39) slides in cross slide way (38) guide-track groove, and cross slide way (38) is fixedly mounted on body support (1).Cutter is enable to realize displacement.
7. combined drill tool clearance arrangement for grinding according to right 5, it is characterized in that, horizontal leading screw (29) one end connecting handle (27), the other end is equipped with latch segment (37), leading screw (29) is locked by locking pin (36) by latch segment (37), and locking pin (36) is arranged on body support (1).
8. combined drill tool clearance arrangement for grinding according to right 1,5 or 6, is characterized in that, when described support (18) and slide plate (41) assemble, established angle is 10 °, equals tool clearance angle.
9. combined drill tool clearance arrangement for grinding according to right 1, it is characterized in that, motor (7) is fixedly installed on supporting plate (6), supporting plate (6) is connected with longitudinal screw (5), longitudinal screw (5) adopts worm drive with longitudinal leadscrew (2), supporting plate (6) can longitudinally move up and down by leading screw (2), and longitudinal leadscrew (2) is connected by step (43), self-aligning bearing (40) with body support (1).
10. combined drill tool clearance arrangement for grinding according to right 9, it is characterized in that, longitudinal leadscrew (2) is installed with the first bevel gear (4), the first bevel gear (4) engages with the second bevel gear (3), and on the second bevel gear (3) output shaft, (35) are provided with control crank (33).
11. according to right 10 combined drill tool clearance arrangement for grinding, it is characterized in that, the output shaft (35) of described second bevel gear (3) is installed on body support (1) by taper roll bearing (34), bearing holder (housing, cover) (44).
CN201310700364.6A 2013-09-02 2013-12-19 Device for polishing rear angle of combined drill bit cutter Pending CN104416424A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201320539949X 2013-09-02
CN201320539949 2013-09-02
CN201310700364.6A CN104416424A (en) 2013-09-02 2013-12-19 Device for polishing rear angle of combined drill bit cutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310700364.6A CN104416424A (en) 2013-09-02 2013-12-19 Device for polishing rear angle of combined drill bit cutter

Publications (1)

Publication Number Publication Date
CN104416424A true CN104416424A (en) 2015-03-18

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CN201310700364.6A Pending CN104416424A (en) 2013-09-02 2013-12-19 Device for polishing rear angle of combined drill bit cutter
CN201320848657.4U CN203696620U (en) 2013-09-02 2013-12-20 Combined drill tool orthogonal clearance coping device

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Application Number Title Priority Date Filing Date
CN201320848657.4U CN203696620U (en) 2013-09-02 2013-12-20 Combined drill tool orthogonal clearance coping device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106738388A (en) * 2016-12-13 2017-05-31 林方杰 It is a kind of for widget punching and crisp material reaming separate type drill bit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104416424A (en) * 2013-09-02 2015-03-18 内蒙古北方重工业集团有限公司 Device for polishing rear angle of combined drill bit cutter

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3490884A (en) * 1965-03-17 1970-01-20 Zachry Brierley Method of and machine for grinding twist drill points
CN2204216Y (en) * 1994-11-23 1995-08-02 王亚平 High-efficiency universal drill-bit edge-grinding machine
CN2236381Y (en) * 1995-10-28 1996-10-02 聂世锦 Sharpener for drill bit and lathe tool
US5649853A (en) * 1996-07-23 1997-07-22 Kuo; Chun-Lin Drill bit grinding machine
CN201544072U (en) * 2009-11-27 2010-08-11 南京唯高机械制造有限公司 Drill grinding machine
CN102896561A (en) * 2012-10-10 2013-01-30 台州赛诺克机械科技有限公司 Fully automatic numerical control drill cutter grinding machine
CN202804819U (en) * 2012-08-28 2013-03-20 东莞市沃达机械科技有限公司 Gun-drill drill grinding machine
CN203696620U (en) * 2013-09-02 2014-07-09 内蒙古北方重工业集团有限公司 Combined drill tool orthogonal clearance coping device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3490884A (en) * 1965-03-17 1970-01-20 Zachry Brierley Method of and machine for grinding twist drill points
CN2204216Y (en) * 1994-11-23 1995-08-02 王亚平 High-efficiency universal drill-bit edge-grinding machine
CN2236381Y (en) * 1995-10-28 1996-10-02 聂世锦 Sharpener for drill bit and lathe tool
US5649853A (en) * 1996-07-23 1997-07-22 Kuo; Chun-Lin Drill bit grinding machine
CN201544072U (en) * 2009-11-27 2010-08-11 南京唯高机械制造有限公司 Drill grinding machine
CN202804819U (en) * 2012-08-28 2013-03-20 东莞市沃达机械科技有限公司 Gun-drill drill grinding machine
CN102896561A (en) * 2012-10-10 2013-01-30 台州赛诺克机械科技有限公司 Fully automatic numerical control drill cutter grinding machine
CN203696620U (en) * 2013-09-02 2014-07-09 内蒙古北方重工业集团有限公司 Combined drill tool orthogonal clearance coping device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106738388A (en) * 2016-12-13 2017-05-31 林方杰 It is a kind of for widget punching and crisp material reaming separate type drill bit

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Application publication date: 20150318

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