CN104289984A - Numerically-controlled relief grinding machine - Google Patents

Numerically-controlled relief grinding machine Download PDF

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Publication number
CN104289984A
CN104289984A CN201410518914.7A CN201410518914A CN104289984A CN 104289984 A CN104289984 A CN 104289984A CN 201410518914 A CN201410518914 A CN 201410518914A CN 104289984 A CN104289984 A CN 104289984A
Authority
CN
China
Prior art keywords
grinding
seat
movable plate
push rod
ball screw
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
CN201410518914.7A
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Chinese (zh)
Inventor
徐启祥
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.)
ZHEJIANG CITY DANTU DISTRICT YONGRUN TOOL Co Ltd
Original Assignee
ZHEJIANG CITY DANTU DISTRICT YONGRUN TOOL 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
Application filed by ZHEJIANG CITY DANTU DISTRICT YONGRUN TOOL Co Ltd filed Critical ZHEJIANG CITY DANTU DISTRICT YONGRUN TOOL Co Ltd
Priority to CN201410518914.7A priority Critical patent/CN104289984A/en
Publication of CN104289984A publication Critical patent/CN104289984A/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
    • B24B3/242Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills of step drills

Abstract

The invention relates to a numerically-controlled relief grinding machine. The numerically-controlled relief grinding machine comprises a lower dovetail seat and an upper dovetail seat, wherein the upper dovetail seat is arranged above the lower dovetail seat and used for moving along the lower dovetail seat, a box body is fixed on the upper dovetail seat, a rotary cylinder is fixed at the side of the box body, the rotary cylinder is connected with a movable spindle, a spindle servo motor for driving the spindle is arranged at the side of the box body, the relative position of the box body is provided with a tail bracket, the tail bracket is provided with a push rod with a push tip, and the push rod is provided with a cylinder; a movable plate is arranged at the side of the lower dovetail seat, a transverse feed servo motor and a longitudinal feed servo motor for driving the movable plate to move longitudinally or transversely are arranged on the movable plate, a grinding wheel drive motor is fixed on the movable plate, and the grinding wheel drive motor is provided with a grinding wheel for grinding; the upper dovetail seat is further provided with a ball screw, and the ball screw is provided with a relief grinding servo motor for driving the ball screw to move. The numerically-controlled relief grinding machine has beneficial effects that the processing precision is high, the production efficiency is improved, the labor intensity is greatly reduced, the multi-machine operation is realized, and the like.

Description

A kind of numerical control relief-grinding bed
Technical field
The present invention is specifically related to be a kind of numerical control relief-grinding bed.
Background technology
Step drill uses owing to progressively substituting conventional set fluted drill, the Abroad in Recent Years market demand constantly expands simultaneously also more and more higher to the requirement of product quality, particularly to the relief grinding of relief angle, require that the outside dimension tolerance of each step is no more than 0.03mm, the size of relief angle also will be unified.Prior art is utilize centre drill Special Turbine Grinding Machine as step drill Special Turbine Grinding Machine use mostly, and the main shaft of holding workpiece and camshaft gear carry out two slot machining by the velocity ratio of 2:1, and namely workpiece turns around, cam feed twice, realizes relief angle relief grinding.After a step has shoveled, manual setting emery wheel cross saddle is put to next slot, then feed relief grinding, completes the relief angle processing of each step successively.
Existing relief grinding mach step drill relief angle size does not reach technological requirement, because it is fixing that lathe cam appreciates, along with each outer diameter of step during relief grinding increases, relief angle can be more and more less, and this directly affects the cutting ability of cutter.Simultaneously because step drill rake face is skewed slot or helicla flute, each step start position is different, machine tool chief axis and cam wheel are the gearratios of 2:1, no differential function, grind several step and just need again clamping adjustment rake face position, this brings much inconvenience to production, makes outside dimension be difficult to control.Emery wheel correction and compensation are also operate by hand.Length feed during relief grinding, laterally changes position and all leans on artificial rotary handle, so this processing method labour intensity is large, production efficiency is low, product quality also cannot ensure.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.
For this reason, one object of the present invention is to propose a kind of numerical control relief-grinding bed, can machining accuracy high, enhance productivity, labor strength greatly reduces, and can realize people's multi-machine operation etc.
According to a kind of numerical control relief-grinding bed of the present invention, comprise seat under dovetail, and be provided with for the dovetail seat of honour along seat displacement under dovetail under dovetail above seat, it is characterized in that: the described dovetail seat of honour is fixed with casing, casing side is fixed with rotary cylinder, rotary cylinder is connected with for displaceable main shaft, casing side is also provided with the spindle servo electric machine rotated for drive shaft, be provided with Timing Belt between spindle servo electric machine and main shaft to turn, casing relative position is provided with tailstock, tailstock is provided with top push rod, push rod is provided with the cylinder for promoting push rod displacement, under dovetail, seat side place is provided with movable plate, and movable plate is provided with for driving movable plate to be traverse feed servomotor and the length feed servomotor of vertical or horizontal movement, and movable plate is fixed with grinding wheel drive mitor, and grinding wheel drive mitor is provided with the emery wheel for polishing, the dovetail seat of honour is also provided with ball screw, and ball screw is provided with the relief grinding servomotor for ball screw displacement.
In addition, according to a kind of numerical control relief-grinding bed of the present invention, also have following additional technical feature: according to some embodiments of the present invention, specifically further, described tailstock sidewall is provided with spacing diamond pen corrector.
Further concrete, be provided with collet in described casing.
Further concrete, be connected with a pull bar between described push rod and cylinder.
Further concrete, be provided with the spring pushed back for push rod in described tailstock.
Further concrete, described ball screw is provided with screw mandrel and lives clever.
The invention has the beneficial effects as follows: utilize main shaft and push rod to realize clamping and travelling workpiece position, realize adjusting position, and utilize machining accuracy high, enhance productivity, labor strength greatly reduces, and can realize people's multi-machine operation etc.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment.
Fig. 1 is according to structural representation of the present invention.
Fig. 2 is the structural representation of another angle of Fig. 1.
It is below description of reference numerals
Seat 1 under dovetail; The dovetail seat of honour 2; Main shaft 3; Rotary cylinder 4; Spindle servo electric machine 5; Timing Belt turns 6; Collet 7; Emery wheel 8; Tailstock 9; Push rod 901; Spring 902; Pull bar 903; Cylinder 10; Traverse feed servomotor 11; Casing 12; Grinding wheel drive mitor 13; Diamond pen corrector 14; Relief grinding servomotor 15; Ball screw 1501; Screw mandrel lives clever 1502; Length feed servomotor 16.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
Below with reference to Fig. 1 to Fig. 2, a kind of numerical control relief-grinding bed according to the embodiment of the present invention is described.
As shown in Figure 1 to Figure 2, the present invention states a kind of numerical control relief-grinding bed, comprise seat 1 under dovetail, and the dovetail seat of honour 2 be provided with above seat 1 under dovetail for being shifted along seat under dovetail 1, it is characterized in that: the described dovetail seat of honour 2 is fixed with casing 12, casing 12 side is fixed with rotary cylinder 4, rotary cylinder 4 is connected with for displaceable main shaft 3, casing 12 side is also provided with the spindle servo electric machine 5 rotated for drive shaft 1, casing 12 relative position is provided with tailstock 9, tailstock 9 is provided with top push rod 901, push rod 901 is provided with the cylinder 10 be shifted for promoting push rod 901, under dovetail, seat 1 side place is provided with movable plate, movable plate is provided with for driving movable plate to be traverse feed servomotor 11 and the length feed servomotor 16 of vertical or horizontal movement, movable plate is fixed with grinding wheel drive mitor 13, and grinding wheel drive mitor 13 is provided with the emery wheel 8 for polishing, the dovetail seat of honour 2 is also provided with ball screw 1501, and ball screw 1501 is provided with the relief grinding servomotor 15 be shifted for ball screw 1501.
In addition, according to a kind of numerical control relief-grinding bed of the present invention, also have following additional technical feature: according to some embodiments of the present invention, specifically further, described tailstock 9 sidewall is provided with spacing diamond pen corrector 14.
Further concrete, be provided with collet 7 in described casing 12.Collet 7 is convenient to workpiece placement.
Further concrete, be connected with a pull bar 903 between described push rod 901 and cylinder 10.Wherein, pull bar 903 help cylinder 10 realize tighten up or promote push rod 901.
Further concrete, be provided with the spring 902 pushed back for push rod 901 in described tailstock 9, contribute to push rod 901 and reclaim and be convenient to clamping work pieces.
Further concrete, ball screw 1501 is provided with screw mandrel and lives clever 1502, and screw mandrel spirit 1502 alive increases the stability of ball screw 1501.
Further concrete, be provided with Timing Belt between spindle servo electric machine 5 and main shaft 1 and turn 6.Timing Belt turns 6 and effectively drives main shaft 1 High Rotation Speed.
During work, cylinder 10 air inlet, pull bar 903 drives push rod 901 to shrink, Compress Spring 902 simultaneously, workpiece can put into the endoporus of collet 7, and location exhaust hood 10 commutates and exits, spring 902 promotes on push rod 901 top tight workpiece, and rotary cylinder 4 drives pull bar 903 and collet 7 clamping work pieces.Processing mode and the front and back operation machining benchmark of this top one folder are unified, reduce products radial runout error, spindle servo electric machine 5 is fixed on casing 12, casing 12 is connected on the dovetail seat of honour 2, grinding wheel drive mitor 13 starts and drives main shaft 3 to rotate by synchronous pulley 6, and relief grinding servomotor 15 to be contained under dovetail on seat 2.Relief grinding servomotor 15 starts rear drive ball screw 1501 and rotates, and screw mandrel flexible 1502 connects the dovetail seat of honour 2, along with ball screw 1501 motion realizes quick relief grinding.
Emery wheel 8 be contained in can laterally, on the movable plate of longitudinally two directions motions, control movable plate by traverse feed servomotor 11 and length feed servomotor 16 to move, move to the position of specifying, emery wheel 8 pairs of workpiece are polished, relief grinding servomotor 15 drives ball screw to rotate, and carries out relief grinding to workpiece, when realizing moving fast, steadily, repetitive positioning accuracy is high, meets the requirement of lathe to position degree.In addition, diamond pen corrector 14 is contained on tailstock 9, and utilize the movable plate installing emery wheel 8 to revise out-of-plane and 45 ° of oblique angles on request, having revised rear PLC can compensate automatically.Once charging can be realized and just can realize the automatic relief grinding of step drill.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.

Claims (7)

1. a numerical control relief-grinding bed, comprise seat (1) under dovetail, and seat (1) top is provided with the dovetail seat of honour (2) for being shifted along seat under dovetail (1) under dovetail, it is characterized in that: the described dovetail seat of honour (2) is fixed with casing (12), casing (12) side is fixed with rotary cylinder (4), rotary cylinder (4) is connected with for displaceable main shaft (3), casing (12) side is also provided with the spindle servo electric machine (5) rotated for drive shaft (1), spindle servo electric machine (5) is connected with main shaft (3), casing (12) relative position is provided with tailstock (9), tailstock (9) is provided with top push rod (901), push rod (901) is provided with the cylinder (10) for promoting push rod displacement, under dovetail, seat (1) side place is provided with movable plate, movable plate is provided with for driving movable plate to be traverse feed servomotor (11) and the length feed servomotor (16) of vertical or horizontal movement, movable plate is fixed with grinding wheel drive mitor (13), and grinding wheel drive mitor (13) is provided with the emery wheel (8) for polishing, the dovetail seat of honour (2) is also provided with ball screw (1501), and ball screw (1501) is provided with the relief grinding servomotor (15) be shifted for ball screw (1501).
2. a kind of numerical control relief-grinding bed according to claim 1, is characterized in that: described tailstock (9) sidewall is provided with spacing diamond pen corrector (14).
3. a kind of numerical control relief-grinding bed according to claim 1, is characterized in that: be provided with collet (7) in described casing (12).
4. a kind of numerical control relief-grinding bed according to claim 1, is characterized in that: be connected with a pull bar (903) between described push rod (901) and cylinder (10).
5. a kind of numerical control relief-grinding bed according to claim 1, is characterized in that: be provided with the spring (902) pushed back for push rod (901) in described tailstock (9).
6. a kind of numerical control relief-grinding bed according to claim 1, is characterized in that: described ball screw (1501) is provided with screw mandrel and lives clever (1502).
7. a kind of numerical control relief-grinding bed according to claim 1, is characterized in that: be provided with Timing Belt between described spindle servo electric machine (5) and main shaft (1) and turn (6).
CN201410518914.7A 2014-10-06 2014-10-06 Numerically-controlled relief grinding machine Pending CN104289984A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410518914.7A CN104289984A (en) 2014-10-06 2014-10-06 Numerically-controlled relief grinding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410518914.7A CN104289984A (en) 2014-10-06 2014-10-06 Numerically-controlled relief grinding machine

Publications (1)

Publication Number Publication Date
CN104289984A true CN104289984A (en) 2015-01-21

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Family Applications (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104874517A (en) * 2015-05-29 2015-09-02 无锡市申锡蜂窝机械厂 Honeycomb paper core gluing mechanism
CN105500124A (en) * 2016-01-30 2016-04-20 苏州精协机械制造有限公司 Automatic thread grinding machine of thread forming tap
CN106564010A (en) * 2016-11-11 2017-04-19 内蒙古航天红岗机械有限公司 Relief-grinding clamp for relief angle of screw tap
CN110595314A (en) * 2019-09-11 2019-12-20 南京捷思汽车科技有限公司 Automobile camshaft end face detection device and method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2915601A1 (en) * 1979-04-18 1980-10-23 Reiling Support for regrinding of twist drill - has carriage slidably mounted on baseplate and longitudinally guided in predetermined direction
EP0908270A2 (en) * 1997-10-06 1999-04-14 Union Tool Co., Ltd. Drill-tip sharpening apparatus
DE10015789B4 (en) * 2000-03-30 2005-02-10 Franz Nowotny Device for holding a drill during regrinding
CN102632436A (en) * 2012-04-23 2012-08-15 郝玉民 Blade grinding machine for external conical surface of drill
CN103286687A (en) * 2013-06-13 2013-09-11 无锡泰诺工具有限公司 Numerical-control relief grinding machine
CN203611077U (en) * 2013-10-31 2014-05-28 台州赛诺克机械科技有限公司 Center drill numerical control relief grinding equipment
CN204195413U (en) * 2014-10-06 2015-03-11 镇江市丹徒区甬润工具有限公司 A kind of numerical control relief-grinding bed

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2915601A1 (en) * 1979-04-18 1980-10-23 Reiling Support for regrinding of twist drill - has carriage slidably mounted on baseplate and longitudinally guided in predetermined direction
EP0908270A2 (en) * 1997-10-06 1999-04-14 Union Tool Co., Ltd. Drill-tip sharpening apparatus
DE10015789B4 (en) * 2000-03-30 2005-02-10 Franz Nowotny Device for holding a drill during regrinding
CN102632436A (en) * 2012-04-23 2012-08-15 郝玉民 Blade grinding machine for external conical surface of drill
CN103286687A (en) * 2013-06-13 2013-09-11 无锡泰诺工具有限公司 Numerical-control relief grinding machine
CN203611077U (en) * 2013-10-31 2014-05-28 台州赛诺克机械科技有限公司 Center drill numerical control relief grinding equipment
CN204195413U (en) * 2014-10-06 2015-03-11 镇江市丹徒区甬润工具有限公司 A kind of numerical control relief-grinding bed

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104874517A (en) * 2015-05-29 2015-09-02 无锡市申锡蜂窝机械厂 Honeycomb paper core gluing mechanism
CN105500124A (en) * 2016-01-30 2016-04-20 苏州精协机械制造有限公司 Automatic thread grinding machine of thread forming tap
CN105500124B (en) * 2016-01-30 2017-07-11 苏州精协机械制造有限公司 Thread forming tap automatic thread grinding machine
CN106564010A (en) * 2016-11-11 2017-04-19 内蒙古航天红岗机械有限公司 Relief-grinding clamp for relief angle of screw tap
CN106564010B (en) * 2016-11-11 2021-05-14 内蒙古航天红岗机械有限公司 Relief grinding clamp for relief angle of screw tap
CN110595314A (en) * 2019-09-11 2019-12-20 南京捷思汽车科技有限公司 Automobile camshaft end face detection device and method

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Application publication date: 20150121