CN112338550B - Double-end center drilling special plane - Google Patents
Double-end center drilling special plane Download PDFInfo
- Publication number
- CN112338550B CN112338550B CN202011176653.7A CN202011176653A CN112338550B CN 112338550 B CN112338550 B CN 112338550B CN 202011176653 A CN202011176653 A CN 202011176653A CN 112338550 B CN112338550 B CN 112338550B
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- 238000005553 drilling Methods 0.000 title claims abstract description 48
- 239000007788 liquid Substances 0.000 claims abstract description 87
- 238000005498 polishing Methods 0.000 claims abstract description 43
- 238000003825 pressing Methods 0.000 claims description 2
- 238000003754 machining Methods 0.000 abstract description 4
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 9
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
- B23B49/04—Devices for boring or drilling centre holes in workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
- B24B5/48—Single-purpose machines or devices for grinding walls of very fine holes, e.g. in drawing-dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention belongs to the field of part machining, and particularly discloses a double-head center drilling special machine which comprises a workbench, wherein a clamp assembly for clamping a workpiece is arranged on the workbench, drilling assemblies are arranged on the workbench and positioned on two sides of the clamp assembly, each drilling assembly comprises a drill bit, a drill rod and a driving piece, the drill rods and the drill bits are fixed, each drill rod comprises a rod body fixed on the drill bit and a sleeve sleeved on the outer side of the rod body, and a helical blade is fixed between the inner wall of the sleeve and the outer wall of the rod body; the polishing device comprises a sleeve, a connecting cylinder and a liquid inlet assembly, wherein an annular cavity is formed in the side wall of the sleeve, the sleeve is sleeved with the connecting cylinder, annular plates are fixed at two ends of the connecting cylinder, a liquid inlet hole is formed in the connecting cylinder, a connecting hole communicated with the cavity and the connecting cylinder is formed in the side wall of the sleeve, and the liquid inlet assembly is used for introducing polishing liquid into the liquid inlet hole; the outer wall of the sleeve is fixed with a polishing pad, and the outer wall of the sleeve is provided with a plurality of liquid outlet holes communicated with the cavity. By adopting the scheme of the invention, the problem of synchronously grinding and polishing the inner wall of the hole can be solved.
Description
Technical Field
The invention belongs to the field of part machining, and particularly relates to a double-head center drilling machine.
Background
When a workpiece is machined, central holes or central grooves need to be machined in two end faces of most shaft workpieces, in the prior art, after one end face of the workpiece is machined, the workpiece is turned over, and then the other end face of the workpiece is machined, the workpiece is manually operated in the turning process, and the workpiece needs to be positioned again after being turned over, so that the machining efficiency is low. For solving this problem, all set up the drilling subassembly through the both sides at the work piece among the prior art and realize driling simultaneously to the both sides terminal surface of work piece, present drilling subassembly can only accomplish drilling work, still need polish the polishing to the downthehole wall after the drilling is accomplished.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a double-head center drilling special machine, which aims to solve the problem that the inner wall of a hole needs to be ground and polished after drilling.
In order to achieve the purpose, the invention adopts the following technical scheme:
the double-head center drilling special machine comprises a workbench, wherein a clamp assembly for clamping a workpiece is mounted on the workbench, drilling assemblies are arranged on the workbench and positioned on two sides of the clamp assembly, each drilling assembly comprises a drill bit, a drill rod and a driving piece, the drill rods and the drill bits are fixed, the driving pieces are used for driving the drill rods to perform spiral feeding motion, each drill rod comprises a rod body fixed on the drill bit and a sleeve sleeved on the outer side of the rod body, spiral blades are fixed between the inner wall of each sleeve and the outer wall of each rod body, and two ends of each drill rod extend out of the sleeves; the polishing device comprises a sleeve, a connecting cylinder, a liquid inlet assembly and a polishing liquid, wherein an annular cavity is formed in the side wall of the sleeve, a connecting cylinder is sleeved on the outer wall of one side, away from a drill bit, of the sleeve, annular plates are fixed at two ends of the connecting cylinder, a bearing is installed between each annular plate and the outer wall of the sleeve, a liquid inlet hole is formed in the connecting cylinder, a connecting hole communicated with the cavity and the connecting cylinder is formed in the side wall of the sleeve, and the polishing liquid inlet assembly is used for introducing polishing liquid into the liquid inlet hole; a polishing pad is fixed on the outer wall of the sleeve, a liquid outlet hole communicated with the cavity is formed in one side, close to the drill bit, of the sleeve, and a through hole communicated with the liquid outlet hole is formed in the polishing pad; the inner wall of the sleeve, which is close to one side of the drill bit, is fixedly provided with a connecting pipe communicated with the cavity, a liquid cavity is arranged in the drill bit, and the connecting pipe is communicated with the liquid cavity.
Compared with the prior art, the invention has the following beneficial effects:
1. the drill rod is in spiral feeding motion to drive the drill bit to drill the workpiece, and scraps are conveyed out through the guide of the spiral blades, so that the scraps are conveniently collected in a centralized manner. Among the prior art many lead to set up the spiral texture directly on the drilling rod and derive the sweeps, but set up the spiral texture on the drilling rod and just be difficult to polish to the hole inner wall, and in this scheme, divide into the body of rod and sleeve two parts with the drilling rod, satisfied the requirement of deriving the sweeps promptly, the pad of polishing through the sleeve outer wall has accomplished the synchronous polishing to the hole inner wall again, has improved machining efficiency.
2. When polishing the hole inner wall, need cooperate the use of polishing solution, satisfied the input of polishing solution through setting up the cavity in this scheme, set up sap cavity and cavity intercommunication simultaneously in the drill bit, the polishing solution makes the polishing solution of sap cavity rock to a certain extent when rocking in the cavity, has played certain effect to hole inner wall, drill bit cooling. And drill bit and sleeve pass through the connecting pipe intercommunication, have not only satisfied the demand that makes liquid chamber and cavity intercommunication, have also strengthened the joint strength between the body of rod and the drill bit, avoid reducing the condition to drill bit joint strength because drilling rod structure changes in this scheme.
Furthermore, the connecting pipe is equipped with two at least, and the equal relative body of rod slope of connecting pipe sets up, and the connecting pipe is close to the eccentric intercommunication of one end of drill bit on the terminal surface that the drill bit is close to sleeve one side.
Has the advantages that: a space similar to a triangle is formed between the connecting pipe and the rod body, so that the connecting stability is enhanced.
Furthermore, the connecting pipes are three and are uniformly distributed along the circumferential direction of the sleeve, and the inclination trend of the connecting pipes is along the spiral trend of the spiral blades.
Has the advantages that: the connecting pipe sets up to the spiral trend along helical blade, also has certain guide effect to the sweeps, is convenient for the sweeps to get into and is carried out in the space between the sleeve and the body of rod.
Further, the liquid inlet assembly comprises a liquid inlet cylinder which is fixed on the outer wall of the connecting cylinder and is communicated with the liquid inlet hole, a piston is connected in the liquid inlet cylinder in a sliding mode, the sliding direction of the piston is perpendicular to the axial direction of the sleeve, and a piston rod is fixed on the piston; a cam is fixed on the part of the sleeve positioned in the connecting cylinder, the piston rod penetrates through the side wall of the connecting cylinder, and the end part of the piston rod is connected to the outer wall of the cam in a sliding manner; the liquid inlet cylinder is provided with a liquid injection hole, a liquid injection one-way valve for allowing liquid to enter the liquid inlet cylinder from the outside in a one-way mode is arranged in the liquid injection hole, and a liquid inlet one-way valve for allowing liquid to enter the connecting cylinder from the liquid inlet cylinder in a one-way mode is arranged in the liquid inlet hole.
Has the advantages that: the drill rod drives the cam to rotate in the rotating process, the cam and the piston rod form a cam mechanism, the piston rod reciprocates to drive the piston to slide in the liquid inlet cylinder, and the polishing liquid is supplemented and discharged into the cavity through the movement of the piston, so that the use requirement of the polishing liquid is met.
Furthermore, sliding connection has the collection box on the workstation, collects and is fixed with the connecting rod between box and the connecting cylinder, collects the box and is located the sleeve and keeps away from one side below of drill bit.
Has the advantages that: the collecting box slides along with the connecting cylinder and is always positioned below the end part of the sleeve for collecting the waste scraps discharged from the sleeve and facilitating the centralized treatment of the waste scraps.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is an enlarged view of a portion B in fig. 1.
In the figure: 1. a work table; 2. a base; 3. a workpiece; 4. a collection box; 5. a rod body; 6. a sleeve; 7. a helical blade; 8. a cavity; 9. a connecting cylinder; 10. connecting holes; 11. an annular plate; 12. a liquid inlet hole; 13. a liquid injection hole; 14. a liquid inlet cylinder; 15. a piston; 16. a piston rod; 17. a cam; 18. a connecting rod; 19. a drill bit; 20. a liquid chamber; 21. a connecting pipe; 22. and a liquid outlet hole.
Detailed Description
The invention is further described in detail below with reference to the accompanying drawings, and specific embodiments are given.
As shown in fig. 1 and 3, double-end center drilling special plane, which comprises a frame, be fixed with workstation 1 in the frame, install the anchor clamps subassembly that is used for pressing from both sides tight work piece 3 on the workstation 1, the anchor clamps subassembly is including fixing base 2 on workstation 1, there is the clamp plate (not shown in the figure) that is located base 2 top along vertical sliding connection in the frame, be fixed with in the frame and be used for driving the gliding pneumatic cylinder of clamp plate, the output shaft and the clamp plate of pneumatic cylinder are fixed, work piece 3 is placed on base 2, push down work piece 3 on base 2 through the clamp plate, realize fixing work piece 3, in the actual course of working, can set up the draw-in groove on the base 2 and be used for blocking work piece 3.
The both sides that lie in the anchor clamps subassembly on the workstation 1 all are equipped with the drilling subassembly, and two sets of drilling subassemblies symmetry set up, use one of them group drilling subassembly to describe as the structure of example drilling subassembly in this embodiment.
The drilling subassembly includes drill bit 19, drilling rod and driving piece, drilling rod and drill bit 19 are fixed, the driving piece is used for driving the drilling rod and is the screw feed motion, it is concrete, the driving piece includes the motor, sliding connection has the slide on workstation 1, the motor is fixed on the slide, the output shaft and the drilling rod of motor are fixed, still be fixed with the cylinder on workstation 1, the output shaft and the slide of cylinder are fixed, rotate through the motor drive drilling rod, slide through cylinder drive slide simultaneously, and then make the drilling rod lateral shifting in the pivoted, do the screw feed motion promptly.
The drilling rod is including fixing the body of rod 5 on the drill bit 19 and establishing the sleeve 6 in the body of rod 5 outside at the cover, and the length of sleeve 6 is less than the length of the body of rod 5, and sleeve 6 all stretches out at the both ends of the body of rod 5, and the one end of the body of rod 5 is fixed with drill bit 19, and the other end of the body of rod 5 and the output shaft of motor are fixed. As shown in the combined drawing 2, the side wall of the sleeve 6 is provided with an annular cavity 8, the outer wall of one side of the sleeve 6, which is far away from the drill bit 19, is sleeved with a connecting cylinder 9, the connecting cylinder 9 is connected to the rack in a sliding manner, the connecting cylinder 9 is limited by the rack, and the rotation of the connecting cylinder 9 is avoided. And annular plates 11 are fixed at two ends of the connecting cylinder 9, and a bearing is arranged between the annular plates 11 and the outer wall of the sleeve 6.
Be equipped with feed liquor hole 12 on the connecting cylinder 9, still including the feed liquor subassembly that is used for letting in the polishing solution to in the feed liquor hole 12, the feed liquor subassembly is including fixing the feed liquor section of thick bamboo 14 that 9 outer walls and feed liquor hole 12 communicate at the connecting cylinder, sliding connection has piston 15 in the feed liquor section of thick bamboo 14, the 6 axial of piston 15 slip direction perpendicular to sleeve, be fixed with piston rod 16 on the piston 15, the part that sleeve 6 is located the connecting cylinder 9 is fixed with cam 17, piston rod 16 runs through the lateral wall of connecting cylinder 9 and tip sliding connection is at cam 17's outer wall, be equipped with on the feed liquor section of thick bamboo 14 and annotate liquid hole 13, in the in-service use, can be with annotating the container intercommunication that liquid hole 13 passes through bellows and storage polishing solution, annotate the liquid one-way valve of liquid in the liquid hole 13 from external one-way entering feed liquor section of thick bamboo 14, be equipped with the feed liquor one-way check valve that liquid in the feed liquor hole 12 was followed the one-way entering connecting cylinder 9. The upper side wall of the sleeve 6 is provided with a connecting hole 10 which is communicated with the cavity 8 and the connecting cylinder 9.
The outer wall of the sleeve 6 is fixed with a polishing pad, one side of the sleeve 6, which is close to the drill bit 19, is provided with a liquid outlet hole 22 communicated with the cavity 8, a pressure valve is installed in the liquid outlet hole 22, the pressure valve is opened after being subjected to hydraulic pressure, and a through hole communicated with the liquid outlet hole 22 is formed in the polishing pad. Be fixed with helical blade 7 between 6 inner walls of sleeve and the body of rod 5 outer wall, in the in-service use process, one side outer wall that 19 drill bits are close to the body of rod 5 can set up and revolve to unanimous helical coiled passage with helical blade 7 for the sweeps that produce when 19 drill bits drill hole receives helical coiled passage's preliminary guide and gets into between body of rod 5 and the sleeve 6, receives helical blade 7 to carry to be derived. The sliding connection has the collection box 4 on the workstation 1, is fixed with connecting rod 18 between collection box 4 and the connecting cylinder 9, collects box 4 and is located one side below that the drill bit 19 was kept away from to sleeve 6, and the sweeps of being derived is collected by collection box 4 and is handled concentratedly.
Referring to fig. 3, a connecting pipe 21 communicated with the cavity 8 is fixed on the inner wall of the sleeve 6 close to one side of the drill bit 19, a liquid cavity 20 is arranged in the drill bit 19, and the connecting pipes 21 are communicated with the liquid cavity 20, in the actual use process, two or three connecting pipes 21 are arranged, so that the connecting pipes 21 are prevented from excessively blocking the waste chips from entering the space between the rod body 5 and the sleeve 6, and if two connecting pipes 21 are arranged, the two connecting pipes 21 are symmetrically distributed; if three connecting pipes 21 are provided, the three connecting pipes 21 are uniformly distributed along the circumferential direction of the sleeve 6, the connecting pipes 21 are obliquely arranged relative to the rod body 5, the inclination trend of the connecting pipes 21 is along the spiral trend of the spiral blades 7, and one end of the connecting pipe 21 close to the drill bit 19 is eccentrically communicated with the end surface of the drill bit 19 close to one side of the sleeve 6.
During the specific use, place work piece 3 on base 2, through clamp plate fixed work piece 3, starter motor and cylinder, the drilling rod is the screw feed motion and drives drill bit 19 and drill hole to work piece 3. During the drilling process of the drill bit 19, the scraps are conveyed out through the spiral channel and the guide of the spiral blade 7 and are collected by the collecting box 4.
The rotation of the drill rod drives the cam 17 to rotate, the cam 17 and the piston rod 16 form a cam mechanism, and the piston rod 16 reciprocates to drive the piston 15 to slide in the liquid inlet cylinder 14. In the drilling process, the drilling rod needs to rotate at a high speed, it is too fast and make the polishing solution shift from liquid inlet cylinder 14 as the effect in the connecting cylinder 9 is not good probably to lead to the moving speed of piston rod 16, but because the high-speed rotation of drilling rod, the polishing solution produces great shaking, the polishing solution motion in the liquid inlet cylinder 14 drives the polishing solution motion in the cavity 8 to a certain extent, the polishing solution passes through in connecting pipe 21 gets into liquid chamber 20, the polishing solution is at cavity 8 to a certain extent, rocking in liquid chamber 20 is to the hole inner wall, drill bit 19 cools down.
Consequently at the drilling in-process, sleeve 6 drives the pad of polishing and tentatively polishes to the hole inner wall, accomplishes the back at drilling, through the reverse drive of motor reversal, cylinder for the drilling rod reset in-process, accessible control motor rotational speed, and then carry out better polishing through the polishing solution and polish to the hole inner wall. The specific process is as follows: when the piston 15 slides towards the direction close to the connecting cylinder 9, polishing liquid in the liquid inlet cylinder 14 is pushed into the connecting cylinder 9 and enters the cavity 8 through the connecting hole 10, the polishing liquid in the cavity 8 is discharged through the liquid outlet hole 22 and the through hole and smeared on the inner wall of the hole, and the inner wall of the hole is polished through the polishing pad. When the piston 15 slides in a direction away from the connecting cylinder 9, the liquid inlet cylinder 14 extracts external polishing liquid and enters the liquid inlet cylinder 14 through the liquid injection hole 13.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (4)
1. Double-end center special plane of driling, including the workstation, install the anchor clamps subassembly that is used for pressing from both sides tight work piece on the workstation, the both sides that lie in the anchor clamps subassembly on the workstation all are equipped with drilling assembly, and drilling assembly includes drill bit, drilling rod and driving piece, and drilling rod and drill bit are fixed, and the driving piece is used for driving the drilling rod and is the screw feed motion, its characterized in that:
the drill rod comprises a rod body fixed on the drill bit and a sleeve sleeved outside the rod body, a helical blade is fixed between the inner wall of the sleeve and the outer wall of the rod body, and two ends of the drill rod extend out of the sleeve;
the polishing device comprises a sleeve, a connecting cylinder, a liquid inlet assembly and a polishing liquid, wherein an annular cavity is formed in the side wall of the sleeve, a connecting cylinder is sleeved on the outer wall of one side, away from a drill bit, of the sleeve, annular plates are fixed at two ends of the connecting cylinder, a bearing is installed between each annular plate and the outer wall of the sleeve, a liquid inlet hole is formed in the connecting cylinder, a connecting hole communicated with the cavity and the connecting cylinder is formed in the side wall of the sleeve, and the polishing liquid inlet assembly is used for introducing polishing liquid into the liquid inlet hole;
the liquid inlet component comprises a liquid inlet cylinder which is fixed on the outer wall of the connecting cylinder and is communicated with the liquid inlet hole, a piston is connected in the liquid inlet cylinder in a sliding mode, the sliding direction of the piston is perpendicular to the axial direction of the sleeve, and a piston rod is fixed on the piston; a cam is fixed on the part of the sleeve positioned in the connecting cylinder, the piston rod penetrates through the side wall of the connecting cylinder, and the end part of the piston rod is connected to the outer wall of the cam in a sliding manner; the liquid inlet cylinder is provided with a liquid inlet hole, a liquid inlet one-way valve for allowing liquid to enter the liquid inlet cylinder from the outside in a one-way mode is arranged in the liquid inlet hole, and a liquid inlet one-way valve for allowing liquid to enter the connecting cylinder from the liquid inlet cylinder in a one-way mode is arranged in the liquid inlet hole;
a polishing pad is fixed on the outer wall of the sleeve, a liquid outlet hole communicated with the cavity is formed in one side, close to the drill bit, of the sleeve, and a through hole communicated with the liquid outlet hole is formed in the polishing pad;
the inner wall of the sleeve, which is close to one side of the drill bit, is fixedly provided with a connecting pipe communicated with the cavity, a liquid cavity is arranged in the drill bit, and the connecting pipe is communicated with the liquid cavity.
2. The special double-ended center drilling machine according to claim 1, wherein: the connecting pipe is equipped with two at least, and the equal relative body of rod slope of connecting pipe sets up, and the connecting pipe is close to the eccentric intercommunication of one end of drill bit on the drill bit is close to the terminal surface of sleeve one side.
3. The special double-ended center drilling machine according to claim 2, wherein: the connecting pipe is equipped with three and along sleeve circumference equipartition, and helical blade's spiral trend is followed to the slope trend of connecting pipe.
4. The special double-ended center drilling machine according to claim 1, wherein: the sliding connection has the collection box on the workstation, is fixed with the connecting rod between collection box and the connecting cylinder, collects the box and is located the sleeve and keeps away from one side below of drill bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011176653.7A CN112338550B (en) | 2020-10-29 | 2020-10-29 | Double-end center drilling special plane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011176653.7A CN112338550B (en) | 2020-10-29 | 2020-10-29 | Double-end center drilling special plane |
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| CN112338550A CN112338550A (en) | 2021-02-09 |
| CN112338550B true CN112338550B (en) | 2021-11-12 |
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| CN108495471A (en) * | 2018-05-30 | 2018-09-04 | 重庆伟福机械有限公司 | Machine components drilling machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3700261B2 (en) * | 1995-07-14 | 2005-09-28 | 松下電器産業株式会社 | Sleeve hole machining apparatus and machining method |
| JP2007152502A (en) * | 2005-12-06 | 2007-06-21 | Hokkaido | Automatic machining system |
| CN103009064B (en) * | 2013-01-15 | 2015-03-18 | 浙江永强集团股份有限公司 | Automatic pipe bending and perforating integrated machine |
| CN203265681U (en) * | 2013-05-21 | 2013-11-06 | 重庆九源机械有限公司 | Double-end centre-drilling-hole special machine |
| KR101915507B1 (en) * | 2017-03-27 | 2018-11-06 | 삼성중공업 주식회사 | Cutting Apparatus |
| CN107234445B (en) * | 2017-07-27 | 2019-03-15 | 东北大学 | A kind of high speed, in high precision five axis ultrasonic machine tools |
| CN108655441A (en) * | 2018-05-15 | 2018-10-16 | 繁昌县通民机械制造有限公司 | A kind of machine-building drilling machine equipment |
| CN208241994U (en) * | 2018-05-30 | 2018-12-14 | 重庆伟福机械有限公司 | Machine components drilling machine |
| CN108544593A (en) * | 2018-05-30 | 2018-09-18 | 湖州润元科技有限公司 | A kind of drilled hole polishing device of wood artwork processing |
| CN209453187U (en) * | 2019-01-29 | 2019-10-01 | 南京裕源铸件制造有限公司 | A kind of spare parts processing machinery perforating device |
| CN109623399B (en) * | 2019-02-14 | 2020-04-03 | 上海通成企业发展有限公司 | Arc through-hole drilling equipment |
| CN210388273U (en) * | 2019-06-21 | 2020-04-24 | 李爱琴 | Metal puncher with polishing function |
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Effective date of registration: 20231109 Address after: 400000 Comprehensive Factory Building 1, No. 87 Yuma Road, Changshengqiao Town, Nan'an District, Chongqing (self committed) Patentee after: Chongqing Jiuyuan Intelligent Equipment Co.,Ltd. Address before: 653100 Yanhe Industrial Park, Yuxi high tech Zone, Yunnan Province Patentee before: Yunjie Technology (Yuxi) Co.,Ltd. |