CN202447995U - Grinding machine for machining drill lip tail of gun drill - Google Patents
Grinding machine for machining drill lip tail of gun drill Download PDFInfo
- Publication number
- CN202447995U CN202447995U CN2012200131517U CN201220013151U CN202447995U CN 202447995 U CN202447995 U CN 202447995U CN 2012200131517 U CN2012200131517 U CN 2012200131517U CN 201220013151 U CN201220013151 U CN 201220013151U CN 202447995 U CN202447995 U CN 202447995U
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- drill
- rotating shaft
- drill lip
- piston rod
- grinding machine
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Abstract
The utility model relates to the field of machining of mechanical tools and discloses a grinding machine for machining a drill lip tail of a gun drill. The grinding machine comprises a grinding wheel feeding mechanism, a two-dimensional worktable and an automatic drill lip turning and clamping device which is arranged on the two-dimensional worktable, and is characterized in that the automatic drill lip turning and clamping device comprises a linear driving mechanism and a rotary driving mechanism which are perpendicular to each other; 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; the upper part at the outer end of the piston rod is provided with a rack, and the lower part at the outer end of the piston rod is provided with a linear guide rail; the rotary driving mechanism comprises a front bearing block and a rear bearing block which are linearly arranged; the front bearing block and the rear bearing block are correspondingly provided with a front bearing and a rear bearing; a rotating shaft penetrates through the front bearing and the rear bearing, is tightly matched with the bearings and is perpendicular to the piston rod of the cylinder; the front end of the rotating shaft is provided with a gear and is engaged with the rack on the upper part of the outer end of the piston rod; and the rear end of the rotating shaft is provided with a clamping head for fixing the drill lip.
Description
Technical field
The utility model relates to the machine tool manufacture field, and grinding machine is used in particularly a kind of drill gun drill lip afterbody processing.
Background technology
Drill gun is to be applied to the manufacturing deep hole machining of weapons at first.Along with the continuous development of science and technology and the unremitting effort of deep hole machining system manufacturer; Deep hole machining has become a kind of convenience processing mode efficiently, and be widely used in that auto industry, aerospace industry, structural construction industry, medical equipment are industrial, fields such as mould/cutter/tool industry and oil pressure, pneumatics industry.
Drill gun is desirable deep hole machining instrument, adopts drill gun can obtain accurate processing effect, and the deep hole position that processes is accurate, linearity, axiality height, and very high surface smoothness and repeatability are arranged.
At present, the drill gun of standard is to be combined through high-precision silver soldering, brazing by blade and steel driving handle that superhard wolfram steel drill lip, space flight steel are processed through heat treatment.The head of the blade of drill gun has the V-type groove, and the drill lip afterbody has the V-type head that connects with the V-type slot welding, and the angle precision of V-type head is to influence one of the linearity of drill gun itself and key factor of axiality.Prior art adopts this V-type head of general-purpose grinder processing usually, 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 difficult to all guarantee that the V-type groove with drilling rod is complementary, and need manual intervention, the drill gun precision of being processed and uniformity is poor and inefficiency.
Summary of the invention
The purpose of the utility model is to provide a kind of drill gun drill lip afterbody processing to use grinding machine, can improve working (machining) efficiency, guarantees the angle precision of drill lip afterbody V-type head, and then guarantees the excellent mechanical properties that drill gun is whole.
In order to achieve the above object, the utility model adopts following technical scheme to be achieved.
Grinding machine is used in a kind of drill gun drill lip afterbody processing; Comprise emery wheel feed mechanism, two-dimentional work bench and be arranged on the automatic turning and clamping device of drill lip on the two-dimentional work bench; It is characterized in that the automatic turning and clamping device of said drill lip comprises vertically arranged straight line driving mechanism and rotary drive mechanism;
Said straight line driving mechanism comprises cylinder, is provided with piston in the cylinder body of cylinder, is fixed with piston rod on the piston; The top, outer end of piston rod is provided with tooth bar, and the bottom is provided with line slideway;
Said 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 equipped with fore bearing and rear bearing; Run through fore bearing and rear bearing and tight fit rotating shaft is arranged; Rotating shaft is vertical with the piston rod of cylinder, and the front end of rotating shaft is equipped with gear, the tooth bar on top, gears engaged said piston rod outer end; The rear end of said rotating shaft is equipped with the fixedly chuck of drill lip.
The characteristics of the utility model are with further improving:
(1) said cylinder adopts two-way hydraulic control cylinder.
(2) outer end near said line slideway is provided with the first spacing jackscrew that limits the piston rod range.
(3) center of said rotating shaft offers screw, is provided with the second spacing jackscrew that limits the drill lip axial location in the screw.
(4) middle part of said rotating shaft is provided with anglec of rotation stop, and anglec of rotation stop is between fore bearing and rear bearing; Said anglec of rotation stop comprises the limited block that is arranged on the turning arm in the rotating shaft and is separately positioned on the rotating shaft both sides.
The drill gun drill lip afterbody processing of the utility model is with in the grinding machine, and the automatic turning and clamping device of its drill lip 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; Through the rack and pinion engagement, driven in rotation driving mechanism clamping drill lip is realized the automatic conversion of two grinding faces of drill lip afterbody V-type head; And then the automation of a realization drill lip afterbody V-type grinding, improved operating efficiency.
In the utility model; Outer end near said line slideway is provided with the first spacing jackscrew that limits the 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 the rotary drive mechanism, the equipment of assurance has the 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 the rotating shaft and is separately positioned on the rotating shaft both sides, can force to guarantee the anglec of rotation of rotary drive mechanism, and then guarantees the angle precision of drill lip afterbody V-type head.
Because the utility model has adopted two-dimentional work bench and has been arranged on the automatic turning and clamping device of drill lip on the 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 that drill gun is whole, have simple in structure, need not manual intervention, characteristics that machining accuracy is high.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further explain.
Fig. 1 is the structural representation of drill gun;
Fig. 2 is the structural representation of a kind of drill gun drill lip afterbody processing of the utility model with grinding machine;
Fig. 3 is the enlarged diagram of overlooking of the automatic turning and clamping device of drill lip;
Fig. 4 cuts open enlarged diagram for the A-A of Fig. 3;
Fig. 5 cuts open enlarged diagram for the B-B of Fig. 3;
Fig. 6 cuts open enlarged diagram for the C-C of Fig. 5;
Among the figure: 1, drill lip; 2, blade; 3, driving handle; 4, emery wheel feed mechanism; 5, the automatic turning and clamping device of drill lip; 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 to be combined through high-precision silver soldering, brazing by blade 2 and steel driving handle 3 that superhard wolfram steel drill lip 1, space flight steel are processed through heat treatment.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 one of the linearity that influences drill gun itself, key factor of axiality, and its manual machining accuracy uniformity is poor, inefficiency.
With reference to Fig. 2, use grinding machine for a kind of drill gun drill lip afterbody processing of the utility model, be applicable to the processing of drill lip 1 afterbody (90 ° of V-type heads) of drill gun shown in Figure 1.This drill gun drill lip 1 afterbody processing mainly comprises with grinding machine: emery wheel feed mechanism 4, stand 7 is arranged on two-dimentional work bench 6 on the stand 7, and is arranged on the automatic turning and clamping device 5 of drill lip on the two-dimentional work bench 6.Emery wheel feed mechanism 4, the emery wheel feed mechanism of employing general-purpose grinder is used to drive emery wheel rotation and axial feed.The automatic turning and clamping device of fixing on the two-dimentional work bench 65 of drill lip is used for the clamping of drill lip 1 and upset automatically.The two-dimentional work bench 6 that is provided with on the stand 7 is used to adjust the relative position between automatic turning and clamping device 5 of drill lip and the emery wheel feed mechanism 4.
With reference to Fig. 3; The automatic turning and clamping device 5 of drill lip is made up of with rotary drive mechanism 9 vertically arranged straight line driving mechanism 8; Common 180 ° of upsets automatically that realize drill lip 1 guarantee the machining accuracy and 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 the automatic turning and clamping device 5 of drill lip adopts two-way hydraulic control cylinder, is provided with piston 11 in the cylinder body 10 of cylinder, is fixed with piston rod 12 on the piston 11.The top, outer end of piston rod 12 is provided with tooth bar 14, and the 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 top, piston rod 12 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 the automatic turning and clamping device 5 of drill lip comprises the front-end bearing pedestal 18 and rear bearing block 23 that yi word pattern is arranged; Front-end bearing pedestal 18 is equipped with fore bearing 19 and rear bearing 22 with rear bearing block 23 correspondences, and running through fore bearing 19 has rotating shaft 21 with rear bearing 22 and tight fit, piston rod 12 spatial vertical of rotating shaft 21 and cylinder; The front end of rotating shaft 21 is equipped with gear 13; The tooth bar 14 on these gear 13 engagement tops, piston rod 12 outer end, the rear end of rotating shaft 21 is equipped with flange 24, and flange 24 connects the chuck 25 of drill lip 1.Be provided with the cushion block 27 of placing drill lip 1 in the chuck 25, the side is provided with the fixedly fastening jackscrew 26 of drill lip 1.The center of rotating shaft 21 offers screw, is provided with the second spacing jackscrew 17 that limits drill lip 1 axial location in the screw.
Be provided with anglec of rotation stop 20 at the middle part of rotating shaft 21, 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 turning arm 28 that is arranged in the 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 that is connected as a single entity with it to be fixed in the rotating shaft 21, to strengthen its spacing reliability.
Although more than combine accompanying drawing that the embodiment of the utility model is described, the utility model is not limited to above-mentioned specific embodiments and applications field, and above-mentioned specific embodiments only is schematic, guiding, rather than restrictive.Those of ordinary skill in the art under the situation that does not break away from the scope that the utility model claim protected, can also make a variety of forms under the enlightenment of this specification, these all belong to the row of the utility model protection.
Claims (6)
1. grinding machine is used in a drill gun drill lip afterbody processing; Comprise emery wheel feed mechanism, two-dimentional work bench and be arranged on the automatic turning and clamping device of drill lip on the two-dimentional work bench; It is characterized in that the automatic turning and clamping device of said drill lip comprises vertically arranged straight line driving mechanism and rotary drive mechanism;
Said straight line driving mechanism comprises cylinder, is provided with piston in the cylinder body of cylinder, is fixed with piston rod on the piston; The top, outer end of piston rod is provided with tooth bar, and the bottom is provided with line slideway;
Said 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 equipped with fore bearing and rear bearing; Run through fore bearing and rear bearing and tight fit rotating shaft is arranged; Rotating shaft is vertical with the piston rod of cylinder, and the front end of rotating shaft is equipped with gear, the tooth bar on top, gears engaged said piston rod outer end; The rear end of said rotating shaft is equipped with the fixedly chuck of drill lip.
2. grinding machine is used in drill gun drill lip afterbody processing according to claim 1, it is characterized in that, said cylinder adopts two-way hydraulic control cylinder.
3. grinding machine is used in drill gun drill lip afterbody processing according to claim 1, it is characterized in that, is provided with the first spacing jackscrew of qualification piston rod range near the outer end of said line slideway.
4. grinding machine is used in drill gun drill lip afterbody processing according to claim 1, it is characterized in that the center of said rotating shaft offers screw, is provided with the second spacing jackscrew that limits the drill lip axial location in the screw.
5. grinding machine is used in drill gun drill lip afterbody processing according to claim 1, it is characterized in that the middle part of said rotating shaft is provided with anglec of rotation stop, and anglec of rotation stop is between fore bearing and rear bearing.
6. grinding machine is used in drill gun drill lip afterbody processing according to claim 5, it is characterized in that said anglec of rotation stop comprises the limited block that is arranged on the turning arm in the rotating shaft and is separately positioned on the rotating shaft both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200131517U CN202447995U (en) | 2012-01-12 | 2012-01-12 | Grinding machine for machining drill lip tail of gun drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200131517U CN202447995U (en) | 2012-01-12 | 2012-01-12 | Grinding machine for machining drill lip tail of gun drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202447995U true CN202447995U (en) | 2012-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200131517U Expired - Fee Related CN202447995U (en) | 2012-01-12 | 2012-01-12 | Grinding machine for machining drill lip tail of gun drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202447995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554716A (en) * | 2012-01-12 | 2012-07-11 | 陕西徳汇工具有限公司 | Grinding machine for processing tail part of drill edge of gun drill |
-
2012
- 2012-01-12 CN CN2012200131517U patent/CN202447995U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554716A (en) * | 2012-01-12 | 2012-07-11 | 陕西徳汇工具有限公司 | Grinding machine for processing tail part of drill edge of gun drill |
| CN102554716B (en) * | 2012-01-12 | 2014-04-09 | 陕西徳汇工具有限公司 | Grinding machine for processing tail part of drill edge of gun drill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20140112 |