CN102554716B - Grinding machine for processing tail part of drill edge of gun drill - Google Patents
Grinding machine for processing tail part of drill edge of gun drill Download PDFInfo
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- CN102554716B CN102554716B CN201210008619.8A CN201210008619A CN102554716B CN 102554716 B CN102554716 B CN 102554716B CN 201210008619 A CN201210008619 A CN 201210008619A CN 102554716 B CN102554716 B CN 102554716B
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- rotating shaft
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- cylinder
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Abstract
The invention relates to the field of processing of machine tool and discloses a grinding machine for processing a tail part of a drill edge of a gun drill. The grinding machine comprises a grinding wheel feeding mechanism, a two-dimensional worktable and an automatic drill edge turning and clamping device, wherein the automatic drill edge turning and clamping device is arranged on the two-dimensional worktable. The grinding machine is characterized in that the automatic drill edge turning and clamping device comprises a linear driving mechanism and a rotating driving mechanism which are vertically arranged; the linear driving mechanism comprises a cylinder; a piston is arranged in a cylinder body of the cylinder; a piston rod is fixed on the piston; a rack is fixed at the upper part of the outer end of the piston rod; a linear guide rail is arranged at the lower part of the outer end of the piston rod; the rotating driving mechanism comprises a front bearing seat and a back bearing seat which are arranged in a line shape; the front bearing seat and the rear bearing seat are correspondingly provided with a front bearing and a rear bearing, penetrate through the front bearing and the rear bearing and are closely matched with a rotating shaft; the rotating shaft is vertical to the piston rod of the cylinder; the front end of the rotating shaft is provided with a gear; the gear is engaged with the rack at the upper part of the outer end of the piston rod; and the rear end of the rotating shaft is provided with a chuck for fixing the drill edge.
Description
Technical field
The present invention relates to machine tool manufacture field, particularly a kind of grinding machine for processing tail part of drill edge of gun drill.
Background technology
Drill gun is to be applied to the manufacturing deep hole machining of weapons at first.Unremitting effort along with scientific and technological development and deep hole processing system manufacturer, deep hole machining has become a kind of processing mode of convenience and high-efficiency, and be widely used in that auto industry, aerospace industry, structural construction industry, medical equipment are industrial, the field such as the industry of mould/cutter/tool and oil pressure, pneumatics industry.
Drill gun is desirable deep-hole machining tool, adopts drill gun can obtain accurate processing effect, and the deep hole position processing is accurate, and linearity, axiality are high, and have very high surface smoothness and repeatability.
At present, the drill gun of standard is that blade and the steel driving handle of being made through heat treatment by superhard wolfram steel drill lip, space flight steel combines through high-precision silver soldering, brazing.The head of the blade of drill gun has V-type groove, and drill lip afterbody has the V-type head connecing with V-type slot welding, and the angle precision of V-type head is to affect one of the linearity of drill gun itself and key factor of axiality.Prior art adopts general-purpose grinder to process this V-type head conventionally, and its processing technology mainly contains Artificial Control and switches alternately processing and put certain one side time processing in place two kinds.No matter adopt which kind of processing technology, be all difficult to guarantee that the V-type groove with drilling rod matches, and need manual intervention, the drill gun precision of processing and uniformity is poor and inefficiency.
Summary of the invention
The object of the present invention is to provide a kind of grinding machine for processing tail part of drill edge of gun drill, can improve working (machining) efficiency, guarantee the angle precision of drill lip afterbody V-type head, and then guarantee the excellent mechanical properties of drill gun integral body.
In order to achieve the above object, the present invention is achieved by the following technical solutions.
A kind of grinding machine for processing tail part of drill edge of gun drill, comprise emery wheel feed mechanism, two-dimentional work bench and be arranged on the drill lip automatic turning clamping device on two-dimentional work bench, it is characterized in that, described drill lip automatic turning clamping device comprises vertically arranged straight line driving mechanism and rotary drive mechanism;
Described straight line driving mechanism comprises cylinder, in the cylinder body of cylinder, is provided with piston, is fixed with piston rod on piston; The top, outer end of piston rod is provided with tooth bar, and bottom is provided with line slideway;
Described rotary drive mechanism comprises front-end bearing pedestal and the rear bearing block that yi word pattern is arranged, front-end bearing pedestal and rear bearing block correspondence are provided with fore bearing and rear bearing, run through fore bearing and rear bearing tight fit and have rotating shaft, rotating shaft is vertical with the piston rod of cylinder, the front end of rotating shaft is provided with gear, and gear meshes the tooth bar on top, described piston rod outer end; The rear end of described rotating shaft is provided with the fixedly chuck of drill lip.
Feature of the present invention and further improvement are:
(1) described cylinder adopts two-way hydraulic control cylinder.
(2) outer end near described line slideway is provided with the first spacing jackscrew that limits piston rod range.
(3) center of described rotating shaft offers screw, is provided with the second spacing jackscrew that limits drill lip axial location in screw.
(4) middle part of described rotating shaft is provided with anglec of rotation stop, and anglec of rotation stop is between fore bearing and rear bearing; Described anglec of rotation stop comprises the limited block that is arranged on the turning arm in rotating shaft and is separately positioned on rotating shaft both sides.
In grinding machine for processing tail part of drill edge of gun drill of the present invention, its drill lip automatic turning clamping device comprises vertically arranged straight line driving mechanism and rotary drive mechanism; Straight line driving mechanism adopts two-way hydraulic control cylinder, and the top, outer end of piston rod is provided with tooth bar, realizes the straight reciprocating motion of tooth bar; By rack and pinion, mesh, drive rotary drive mechanism clamping drill lip, realize the automatic conversion of two grinding faces of drill lip afterbody V-type head; And then realize the automation of a drill lip afterbody V-type grinding, improved operating efficiency.
In the present invention, outer end near described line slideway is provided with the first spacing jackscrew that limits piston rod range, can adjust the stroke of the straight reciprocating motion of tooth bar, and then can adjust the anglec of rotation of chuck in rotary drive mechanism, the equipment of assurance has adjustment allowance.In addition, the middle part of rotating shaft is provided with anglec of rotation stop, anglec of rotation stop is between fore bearing and rear bearing, wherein anglec of rotation stop comprises the limited block that is arranged on the turning arm in rotating shaft and is separately positioned on rotating shaft both sides, can force to guarantee the anglec of rotation of rotary drive mechanism, and then guarantee the angle precision of drill lip afterbody V-type head.
Because the present invention has adopted two-dimentional work bench and has been arranged on the drill lip automatic turning clamping device on two-dimentional work bench, can guarantee angle precision, the raising working (machining) efficiency of drill lip afterbody V-type head, and then guarantee the excellent mechanical properties of drill gun integral body, have simple in structure, without manual intervention, feature that machining accuracy is high.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is the structural representation of drill gun;
Fig. 2 is the structural representation of a kind of grinding machine for processing tail part of drill edge of gun drill of the present invention;
Fig. 3 is the enlarged diagram of overlooking of drill lip automatic turning clamping device;
Fig. 4 is that the A-A of Fig. 3 cuts open enlarged diagram;
Fig. 5 is that the B-B of Fig. 3 cuts open enlarged diagram;
Fig. 6 is that the C-C of Fig. 5 cuts open enlarged diagram;
In figure: 1, drill lip; 2, blade; 3, driving handle; 4, emery wheel feed mechanism; 5, drill lip automatic turning clamping device; 6, two-dimentional work bench; 7, stand; 8, straight line driving mechanism; 9, rotary drive mechanism; 10, cylinder body; 11, piston; 12, piston rod; 13, gear; 14, tooth bar; 15, line slideway; 16, the first spacing jackscrew; 17, the second spacing jackscrew; 18, front-end bearing pedestal; 19, fore bearing; 20, anglec of rotation stop; 21, rotating shaft; 22, rear bearing; 23, rear bearing block; 24, flange; 25, chuck; 26, fastening jackscrew; 27, cushion block; 28, turning arm; 29, semicircular ring; 30, limited block.
The specific embodiment
With reference to Fig. 1, be drill gun, this drill gun is that blade 2 and the steel driving handle 3 by superhard wolfram steel drill lip 1, space flight steel, through heat treatment, made combine through high-precision silver soldering, brazing.Wherein, the head of the blade 2 of drill gun has 90 ° of V-type grooves, and drill lip 1 afterbody has 90 ° of V-type heads that connect with 90 ° of V-type slot weldings.The angle precision of these 90 ° of V-type heads is to affect the linearity of drill gun itself, one of key factor of axiality, and its manual machining accuracy uniformity is poor, inefficiency.
With reference to Fig. 2, be a kind of grinding machine for processing tail part of drill edge of gun drill of the present invention, be applicable to the processing of drill lip 1 afterbody (90 ° of V-type heads) of drill gun shown in Fig. 1.This part of drill edge of gun drill 1 grinding machine for processing tail mainly comprises: emery wheel feed mechanism 4, stand 7, is arranged on two-dimentional work bench 6 on stand 7, and is arranged on the drill lip automatic turning clamping device 5 on two-dimentional work bench 6.Emery wheel feed mechanism 4, the emery wheel feed mechanism of employing general-purpose grinder, for driving emery wheel rotation and axial feed.Fixing drill lip automatic turning clamping device 5 on two-dimentional work bench 6, for clamping and the automatic turning of drill lip 1.The two-dimentional work bench 6 arranging on stand 7, for adjusting the relative position between drill lip automatic turning clamping device 5 and emery wheel feed mechanism 4.
With reference to Fig. 3, drill lip automatic turning clamping device 5 is comprised of vertically arranged straight line driving mechanism 8 and rotary drive mechanism 9, jointly realize 180 ° of automatic turnings of drill lip 1, guarantee machining accuracy and the processing uniformity of 90 ° of V-type heads of drill gun afterbody, realize process automation and increase work efficiency.
With reference to Fig. 4, the straight line driving mechanism 8 of drill lip automatic turning clamping device 5 adopts two-way hydraulic control cylinder, in the cylinder body 10 of cylinder, is provided with piston 11, is fixed with piston rod 12 on piston 11.The top, outer end of piston rod 12 is provided with tooth bar 14, and bottom is provided with line slideway 15.Under the effect of cylinder, piston rod 12 moves back and forth along line slideway 15, realizes tooth bar 13 straight reciprocating motions on piston rod 12 tops, outer end; Especially adopt two-way hydraulic control cylinder, piston rod 12 is more reliable along the reciprocating motion of line slideway 15.Outer end near line slideway 15 is provided with the first spacing jackscrew 16 that limits piston rod 12 ranges.
With reference to Fig. 5, the rotary drive mechanism 9 of drill lip automatic turning clamping device 5 comprises front-end bearing pedestal 18 and the rear bearing block 23 that yi word pattern is arranged, front-end bearing pedestal 18 and rear bearing block 23 correspondences are provided with fore bearing 19 and rear bearing 22, run through fore bearing 19 and rear bearing 22 tight fit and have rotating shaft 21, piston rod 12 spatial vertical of rotating shaft 21 and cylinder, the front end of rotating shaft 21 is provided with gear 13, the tooth bar 14 on these gear 13 engagement piston rod 12 tops, outer end, the rear end of rotating shaft 21 is provided with flange 24, and flange 24 connects the chuck 25 of drill lip 1.In chuck 25, be provided with the cushion block 27 of placing drill lip 1, side is provided with the fixedly fastening jackscrew 26 of drill lip 1.Rotating shaft 21 center offers screw, is provided with the second spacing jackscrew 17 that limits drill lip 1 axial location in screw.
At the middle part of rotating shaft 21, be provided with anglec of rotation stop 20, anglec of rotation stop 20 is between fore bearing 19 and rear bearing 22.In conjunction with Fig. 6, anglec of rotation stop 20 comprises the turning arm 28 being arranged in rotating shaft 21 and the limited block 30 that is separately positioned on rotating shaft 21 both sides.In the present embodiment, turning arm 28 adopts the semicircular ring 29 being connected as a single entity with it to be fixed in rotating shaft 21, to strengthen its spacing reliability.
Although below by reference to the accompanying drawings embodiment of the present invention are described, the present invention is not limited to above-mentioned specific embodiments and applications field, and above-mentioned specific embodiments is only schematic, guiding, rather than restrictive.Those of ordinary skill in the art, under the enlightenment of this description, in the situation that do not depart from the scope that the claims in the present invention are protected, can also make a variety of forms, and these all belong to the row of the present invention's protection.
Claims (3)
1. a grinding machine for processing tail part of drill edge of gun drill, comprise emery wheel feed mechanism, two-dimentional work bench and be arranged on the drill lip automatic turning clamping device on two-dimentional work bench, it is characterized in that, described drill lip automatic turning clamping device comprises vertically arranged straight line driving mechanism and rotary drive mechanism;
Described straight line driving mechanism comprises cylinder, in the cylinder body of cylinder, is provided with piston, is fixed with piston rod on piston; The top, outer end of piston rod is provided with tooth bar, and bottom is provided with line slideway;
Described rotary drive mechanism comprises front-end bearing pedestal and the rear bearing block that yi word pattern is arranged, front-end bearing pedestal and rear bearing block correspondence are provided with fore bearing and rear bearing, run through fore bearing and rear bearing tight fit and have rotating shaft, rotating shaft is vertical with the piston rod of cylinder, the front end of rotating shaft is provided with gear, and gear meshes the tooth bar on top, described piston rod outer end; The rear end of described rotating shaft is provided with the fixedly chuck of drill lip;
Outer end near described line slideway is provided with the first spacing jackscrew that limits piston rod range;
The center of described rotating shaft offers screw, is provided with the second spacing jackscrew that limits drill lip axial location in screw;
The middle part of described rotating shaft is provided with anglec of rotation stop, and anglec of rotation stop is between fore bearing and rear bearing.
2. grinding machine for processing tail part of drill edge of gun drill according to claim 1, is characterized in that, described cylinder adopts two-way hydraulic control cylinder.
3. grinding machine for processing tail part of drill edge of gun drill according to claim 1, is characterized in that, described anglec of rotation stop comprises the limited block that is arranged on the turning arm in rotating shaft and is separately positioned on rotating shaft both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210008619.8A CN102554716B (en) | 2012-01-12 | 2012-01-12 | Grinding machine for processing tail part of drill edge of gun drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210008619.8A CN102554716B (en) | 2012-01-12 | 2012-01-12 | Grinding machine for processing tail part of drill edge of gun drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102554716A CN102554716A (en) | 2012-07-11 |
| CN102554716B true CN102554716B (en) | 2014-04-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210008619.8A Expired - Fee Related CN102554716B (en) | 2012-01-12 | 2012-01-12 | Grinding machine for processing tail part of drill edge of gun drill |
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| CN (1) | CN102554716B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103659473A (en) * | 2013-12-12 | 2014-03-26 | 江苏晶工工具有限公司 | Auger bit edge grinder |
| CN113478314B (en) * | 2021-07-15 | 2023-06-30 | 南京市同亮科技有限公司 | Dumbbell piece equipment of polishing for sports |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2151308Y (en) * | 1992-12-16 | 1993-12-29 | 李玉珊 | Lift transmission with worm and rack |
| CN1362313A (en) * | 2000-12-26 | 2002-08-07 | 理化学研究所 | Long-thin-wall section machining apparatus and mahcining equipment |
| CN101116949A (en) * | 2007-08-24 | 2008-02-06 | 湖南大学 | Automatic angle making device of 180-degree for grinding bent axle slotted lever neck |
| CN202062285U (en) * | 2011-04-11 | 2011-12-07 | 济南博特威精密机械有限公司 | Lead angle generation mechanism |
| CN202447995U (en) * | 2012-01-12 | 2012-09-26 | 陕西徳汇工具有限公司 | Grinding machine for machining drill lip tail of gun drill |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000042804A (en) * | 1998-07-24 | 2000-02-15 | Takeshi Higuchi | Polishing cutting device |
-
2012
- 2012-01-12 CN CN201210008619.8A patent/CN102554716B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2151308Y (en) * | 1992-12-16 | 1993-12-29 | 李玉珊 | Lift transmission with worm and rack |
| CN1362313A (en) * | 2000-12-26 | 2002-08-07 | 理化学研究所 | Long-thin-wall section machining apparatus and mahcining equipment |
| CN101116949A (en) * | 2007-08-24 | 2008-02-06 | 湖南大学 | Automatic angle making device of 180-degree for grinding bent axle slotted lever neck |
| CN202062285U (en) * | 2011-04-11 | 2011-12-07 | 济南博特威精密机械有限公司 | Lead angle generation mechanism |
| CN202447995U (en) * | 2012-01-12 | 2012-09-26 | 陕西徳汇工具有限公司 | Grinding machine for machining drill lip tail of gun drill |
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| Publication number | Publication date |
|---|---|
| CN102554716A (en) | 2012-07-11 |
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Granted publication date: 20140409 Termination date: 20180112 |