CN107414146B - Guide mechanism of vertical numerical control drilling machine tool drill gun - Google Patents
Guide mechanism of vertical numerical control drilling machine tool drill gun Download PDFInfo
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- CN107414146B CN107414146B CN201710643812.1A CN201710643812A CN107414146B CN 107414146 B CN107414146 B CN 107414146B CN 201710643812 A CN201710643812 A CN 201710643812A CN 107414146 B CN107414146 B CN 107414146B
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- guide sleeve
- hole
- driving shaft
- main shaft
- guide mechanism
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- 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
-
- 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
- B23B49/02—Boring templates or bushings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a guide mechanism of a vertical numerical control drilling machine tool drilling gun, which comprises a main shaft frame, a guide sleeve component connected with the main shaft frame in a sliding way and a driving device used for driving the guide sleeve component to slide along the main shaft frame, wherein the driving device is fixedly connected on the main shaft frame; and the middle part of the metal guide sleeve is provided with a through hole matched with the drilling gun. The invention can lead the drill gun of the vertical deep hole drilling machine to accurately realize the guiding and positioning of the drill gun when the drill gun of the vertical deep hole drilling machine drills deep holes.
Description
Technical Field
The invention relates to a numerical control drilling machine tool, in particular to a guide mechanism of a vertical numerical control drilling machine tool.
Background
At present, a numerical control drilling machine tool is generally used for processing round holes in the mold processing industry, and rapid drilling processing is realized by an automatic processing mode; but some of the deeper holes need to be drilled using a deep hole drill. Traditional deep-hole drilling machine is horizontal lathe usually, and horizontal deep-hole drilling machine generally utilizes the brill rifle to carry out deep-hole machining to the work piece, but horizontal deep-hole drilling machine's work piece clamping technology is loaded down with trivial details, wastes time and energy, and workman's intensity of labour is big, and the cutter gun pole receives the action of gravity to take place easily to rock moreover, influences the quality and the precision in processing hole. It has therefore been proposed to use a drill gun on a vertical machine tool to perform deep hole machining on a workpiece to facilitate the fixation of the workpiece and to improve the accuracy and quality of the machined hole.
However, the deep hole processing using the drill gun on the vertical machine tool has the following disadvantages:
(1) In the deep hole machining process, after the drill gun drills into a certain depth, the gun rod is easy to shake, the precision of drilling is reduced, even the drill gun breaks, the cutter is quick in loss, the cutter needs to be frequently replaced, and the material cost required by machining is high.
(2) When the gun head of the drilling gun vertically drills into a workpiece, deviation is easy to occur, the drilling position of the drilling gun is not consistent with the set position, and the machined hole does not meet the use requirement.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a guide mechanism of a drill gun of a vertical numerical control drilling machine tool, so that the drill gun can accurately drill a workpiece when the drill gun carries out deep hole drilling processing, and meanwhile, the drill gun stably carries out drilling processing.
The purpose of the invention is realized by adopting the following technical scheme:
a guide mechanism of a drill gun of a vertical numerical control drilling machine tool comprises a main shaft frame, a guide sleeve assembly and a driving device, wherein the guide sleeve assembly is connected with the main shaft frame in a sliding mode, the driving device is used for driving the guide sleeve assembly to slide along the main shaft frame, the driving device is fixedly connected to the main shaft frame, the guide sleeve assembly comprises a sliding seat, a guide sleeve support and a metal guide sleeve, the guide sleeve support is fixedly connected to the bottom of the sliding seat, the metal guide sleeve is fixed on the guide sleeve support, at least two guide rails are arranged on one side, close to the main shaft frame, of the sliding seat, at least two sliding blocks are arranged on each guide rail, and the sliding blocks are fixedly connected with the main shaft frame; and the middle part of the metal guide sleeve is provided with a through hole matched with the drilling gun.
Further, the sliding block is fixed on the main shaft frame through a screw and a pressing block.
Furthermore, a connecting support connected with a driving shaft of the driving device is fixedly connected to the sliding seat, an elastic piece is arranged between the driving shaft and the bottom wall of the connecting support, a limit switch for controlling the driving device to start and stop is arranged in the connecting support, and a convex part for triggering the limit switch is arranged on the driving shaft.
Furthermore, the connecting support is U-shaped, the upper wall of the connecting support is provided with a limiting hole for the driving shaft to pass through, and the aperture of the limiting hole is smaller than the outer diameter of the convex part.
Furthermore, the convex part is a finger ring fixedly connected with the end part of the driving shaft.
Furthermore, the end part of the driving shaft is provided with an external thread, and the middle part of the finger guard sleeve is provided with a threaded hole matched with the external thread.
Furthermore, the guide sleeve support is L-shaped and comprises a vertical section and a horizontal section which are connected, the horizontal section is provided with a mounting hole matched with the metal guide sleeve, the horizontal section is provided with a through hole along the radial direction of the mounting hole, and a bead screw for fixing the metal guide sleeve is arranged in the through hole.
Furthermore, the vertical section is provided with at least two through positioning holes for connecting with the sliding seat.
Further, the vertical section is provided with an air passage leading to the upper end and the lower end of the mounting hole.
Furthermore, the outer side wall of the metal guide sleeve is provided with a clamping groove matched with the wave bead screw.
Compared with the prior art, the invention has the beneficial effects that:
the slide seat is connected with the main shaft frame through or fixedly connected with the main shaft frame, so that the moving precision of the slide seat along the main shaft frame can be ensured, the rigidity of the whole structure is improved, the slide seat can be driven by the driving device to approach a workpiece along the main shaft and drive the metal guide sleeve frame at the bottom of the slide seat to approach or leave the workpiece, the metal guide sleeve can be accurately attached to a preset position of the workpiece to guide and position the drill gun, the gun head of the drill gun can be ensured to accurately drill the workpiece from the preset position, and meanwhile, the metal guide sleeve can also stabilize the gun rod of the drill gun in the drilling process of the drill gun; in addition, the metal guide sleeve is used for stabilizing and guiding the drill gun, and the comprehensive mechanical property of the metal guide sleeve is good, so that the stability of the drill gun in the drilling process can be maintained for a long time, and the drilling precision of the drill gun is improved.
Drawings
FIG. 1 is a schematic perspective view of a guide mechanism according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a guide mechanism according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a metal guide sleeve and a guide sleeve holder according to an embodiment of the present invention.
In the figure: 10. a main shaft bracket; 20. a guide sleeve assembly; 21. a slide base; 211. a guide rail; 212. a slider; 213. briquetting; 22. a guide sleeve bracket; 221. mounting holes; 222. a through hole; 223. a ball screw; 224. positioning holes; 225. an air passage; 23. a metal guide sleeve; 231. a clamping groove; 232. a through hole; 233. a limiting part; 30. a drive device; 31. a drive shaft; 311. a convex portion; 40. a coupling bracket; 41. a limiting hole; 50. an elastic member; 60. a limit switch; 70. a drill gun is provided.
Detailed Description
The present invention is further described with reference to the accompanying drawings and the detailed description, and it should be noted that, in the case of no conflict, any combination between the embodiments or technical features described below may form a new embodiment.
As shown in fig. 1-3, the guide mechanism according to the embodiment of the present invention includes a spindle frame 10, a guide sleeve assembly 20 slidably connected to the spindle frame 10, and a driving device 30 for driving the guide sleeve assembly 20 to slide along the spindle frame 10, wherein the driving device 30 is fixedly connected to the spindle frame 10, the guide sleeve assembly 20 includes a sliding seat 21, a guide sleeve support 22 fixedly connected to the bottom of the sliding seat 21, and a metal guide sleeve 23 fixed on the guide sleeve support 22, one side of the sliding seat 21 close to the spindle frame 10 is provided with at least two guide rails 211, each guide rail 211 is provided with at least two sliding blocks 212, and the sliding blocks 212 are fixedly connected to the spindle frame 10; the middle part of the metal guide sleeve 23 is provided with a through hole 232 matched with the drill gun 70.
The slide carriage 21 is provided with the plurality of guide rails 211, the plurality of slide blocks 212 are arranged on the guide rails 211, and the slide carriage 21 is connected with the spindle frame 10 by fixedly connecting the slide blocks 212 with the spindle frame 10, so that the moving precision of the slide carriage 21 along the spindle frame 10 can be ensured, the rigidity of the whole structure is also improved, the slide carriage 21 can be driven by the driving device 30 to approach to a workpiece along the spindle, the metal guide sleeve 23 can be accurately attached to a preset position of the workpiece to guide and position the drill gun 70, the gun head of the drill gun 70 can be ensured to accurately drill the workpiece from the preset position, and the metal guide sleeve 23 can also stabilize the gun rod of the drill gun 70 in the drilling process of the drill gun 70; in addition, the metal guide sleeve 23 is used for guiding the drill gun 70, and the comprehensive mechanical property of the metal guide sleeve 23 is good, so that the stability of the drill gun 70 in the drilling process can be maintained for a long time, and the drilling precision of the drill gun 70 is improved.
As a preferred embodiment, the sliding block 212 can be fixed on the main shaft bracket 10 through the pressing block 213 and screws, so that the installation is more convenient and firm; a connecting bracket 40 connected with a driving shaft 31 of the driving device 30 is fixedly connected on the sliding seat 21, an elastic part 50 is arranged between the driving shaft 31 and the bottom wall of the connecting bracket 40, a limit switch 60 for controlling the driving device 30 to start and stop is arranged in the connecting bracket 40, and a convex part 311 for touching the limit switch 60 is arranged on the driving shaft 31; when the driving device 30 is started, the acting force of the driving shaft 31 is applied to the elastic element 50, the reaction force of the compression of the elastic element 50 pushes the connecting bracket 40 and the sliding seat 21 to move along the main spindle frame 10 towards the workpiece until the lower surface of the metal guide sleeve 23 is abutted against the workpiece, the connecting bracket 40 and the sliding seat 21 stop moving, the driving shaft 31 continues to act on the elastic element 50 until the convex part 311 is abutted against the limit switch 60, and the driving device 30 stops working.
The start and stop of the driving device 30 are controlled by the limit switch 60, when the driving device 30 is started, the driving shaft 31 moves to compress the elastic part 50, the elastic part 50 is compressed under force to push the connecting bracket 40 and the guide sleeve assembly 20 to move towards the workpiece until the lower surface of the metal guide sleeve 23 is butted with and attached to the workpiece, the connecting bracket 40 and the guide sleeve assembly 20 stop moving, the driving shaft 31 continues to move to compress the elastic part 50, when the convex part 311 is contacted with the limit switch 60, the driving device 30 stops moving, and the compressed elastic part 50 continues to apply pressure to the connecting bracket 40 and the guide sleeve assembly 20, so that the metal guide sleeve 23 is kept attached to the plane of the workpiece; when the metal guide sleeve 23 moves close to the workpiece, the elastic part 50 can play a role in buffering after the metal guide sleeve 23 is tightly attached to the workpiece, so that the metal guide sleeve 23 is prevented from crushing the workpiece.
The driving device 30 can be a linear motion mechanism such as an oil cylinder, a gear rack and the like; in order to ensure that the elastic member 50 can provide enough pushing force to push the coupling bracket 40 and the guide sleeve assembly 20, the elastic member 50 of this embodiment is a high-load circular spring.
The connecting bracket 40 is U-shaped, the upper wall of the connecting bracket 40 is provided with a limiting hole 41 for the driving shaft 31 to pass through, the aperture of the limiting hole 41 is smaller than the outer diameter of the convex part 311, and after drilling is finished, when the driving shaft 31 contracts, the convex part 311 is clamped on the limiting hole 41, so that the driving shaft 31 pulls the connecting bracket 40 and the guide sleeve assembly 20 to be far away from a workpiece, and the metal guide sleeve 23 is separated from the workpiece. Further, for the convenience of installation, the convex portion 311 is a ring sleeve fixedly connected to the end of the driving shaft 31, the end of the driving shaft 31 is provided with an external thread, the middle of the ring sleeve is provided with a threaded hole matched with the external thread, and the ring sleeve is screwed on the end of the driving shaft 31. Further, in order to protect the limit switch 60 and prevent the ring sleeve from suddenly contacting the limit switch 60 to damage the limit switch 60, a chamfer is provided at one end of the ring sleeve close to the elastic member 50, and the angle of the chamfer is preferably 45 degrees.
In order to facilitate the installation of the guide sleeve bracket 22 and the replacement of the metal guide sleeve 23, the guide sleeve bracket 22 is L-shaped, the guide sleeve bracket 22 comprises a vertical section and a horizontal section which are connected, a mounting hole 221 matched with the metal guide sleeve 23 is arranged on the horizontal section, a through hole 222 is radially arranged on the horizontal section along the mounting hole 221, and a bead screw 223 for fixing the metal guide sleeve 23 is arranged in the through hole 222; correspondingly, in order to facilitate the installation and the adjustment of the position of the guide sleeve bracket 22 and avoid dislocation, at least two through positioning holes 224 are arranged on the vertical section; furthermore, in order to realize the quick matching installation of the metal guide sleeve 23 and the installation hole 221, a clamping groove 231 matched with the wave bead screw 223 is arranged on the outer side wall of the metal guide sleeve 23, and in order to make the clamping groove 231 and the wave bead screw 223 more tightly matched, the clamping groove 231 is in an arc shape; a limiting part 233 with the outer diameter larger than the aperture of the mounting hole 221 can be arranged at one end of the metal guide sleeve 23 close to the workpiece, and when the metal guide sleeve 23 is inserted into the mounting hole 221, the limiting part 233 is clamped at the inlet of the mounting hole 221, so that the metal guide sleeve 23 can be conveniently mounted, and the metal guide sleeve 23 can not move when clinging to the workpiece; a chamfer angle can be arranged at the upper outlet of the through hole 232 so as to facilitate chip removal; furthermore, in order to facilitate the cleaning of the waste chips accumulated on the upper and lower ends of the metal guide sleeve 23, the vertical section is provided with an air passage 225 leading to the upper and lower ends of the mounting hole 221; in order to make the service life of the metal guide sleeve 23 longer, the metal guide sleeve 23 of the embodiment can be a tungsten steel guide sleeve, and the comprehensive performance of the tungsten steel guide sleeve is better.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (7)
1. The utility model provides a guiding mechanism of vertical numerical control drilling machine tool brill rifle which characterized in that: the guide sleeve component comprises a sliding seat, a guide sleeve support fixedly connected to the bottom of the sliding seat and a metal guide sleeve fixed on the guide sleeve support, wherein one side of the sliding seat, close to the main shaft frame, is provided with at least two guide rails, each guide rail is provided with at least two sliding blocks, and the sliding blocks are fixedly connected with the main shaft frame; the middle part of the metal guide sleeve is provided with a through hole matched with a drilling gun;
the guide sleeve support is L-shaped and comprises a vertical section and a horizontal section which are connected, the horizontal section is provided with a mounting hole matched with the metal guide sleeve, the horizontal section is provided with a through hole along the radial direction of the mounting hole, and a bead screw for fixing the metal guide sleeve is arranged in the through hole;
the vertical section is provided with an air passage leading to the upper end and the lower end of the mounting hole;
the outer side wall of the metal guide sleeve is provided with a clamping groove matched with the wave bead screw.
2. The guide mechanism of claim 1, wherein: the sliding block is fixed on the main shaft frame through a screw and a pressing block.
3. The guide mechanism of claim 1, wherein: the sliding seat is fixedly connected with a connecting support connected with a driving shaft of the driving device, an elastic piece is arranged between the driving shaft and the bottom wall of the connecting support, a limit switch for controlling the driving device to start and stop is arranged in the connecting support, and a convex part for triggering the limit switch is arranged on the driving shaft.
4. The guide mechanism of claim 3, wherein: the connecting support is U-shaped, the upper wall of the connecting support is provided with a limiting hole for the driving shaft to pass through, and the aperture of the limiting hole is smaller than the outer diameter of the convex part.
5. The guide mechanism of claim 3, wherein: the convex part is a finger ring sleeve fixedly connected with the end part of the driving shaft.
6. The guide mechanism of claim 5, wherein: the end part of the driving shaft is provided with an external thread, and the middle part of the finger guard sleeve is provided with a threaded hole matched with the external thread.
7. The guide mechanism of claim 1, wherein: the vertical section is provided with at least two through positioning holes for connecting with the sliding seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710643812.1A CN107414146B (en) | 2017-07-31 | 2017-07-31 | Guide mechanism of vertical numerical control drilling machine tool drill gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710643812.1A CN107414146B (en) | 2017-07-31 | 2017-07-31 | Guide mechanism of vertical numerical control drilling machine tool drill gun |
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| Publication Number | Publication Date |
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| CN107414146A CN107414146A (en) | 2017-12-01 |
| CN107414146B true CN107414146B (en) | 2023-04-14 |
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| CN201710643812.1A Active CN107414146B (en) | 2017-07-31 | 2017-07-31 | Guide mechanism of vertical numerical control drilling machine tool drill gun |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108057913A (en) * | 2018-01-15 | 2018-05-22 | 深圳中科创新精密科技有限公司 | Mechanical depth drill |
| CN108188793A (en) * | 2018-01-16 | 2018-06-22 | 湖南凯斯机械股份有限公司 | Baseplate of sewing machine processing unit (plant) |
| CN109352009A (en) * | 2018-10-19 | 2019-02-19 | 陈祥贤 | A kind of digital control drilling machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105729117A (en) * | 2016-04-29 | 2016-07-06 | 深圳利工科技有限公司 | Vertical-horizontal combined type numerically-controlled machine tool |
| CN205703232U (en) * | 2016-04-29 | 2016-11-23 | 深圳利工科技有限公司 | A kind of vertical sleeping composite numeric control lathe |
| CN206997854U (en) * | 2017-07-31 | 2018-02-13 | 深圳利工科技有限公司 | A kind of vertical numerical control drilling hole machine tool bores the guiding mechanism of rifle |
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2017
- 2017-07-31 CN CN201710643812.1A patent/CN107414146B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105729117A (en) * | 2016-04-29 | 2016-07-06 | 深圳利工科技有限公司 | Vertical-horizontal combined type numerically-controlled machine tool |
| CN205703232U (en) * | 2016-04-29 | 2016-11-23 | 深圳利工科技有限公司 | A kind of vertical sleeping composite numeric control lathe |
| CN206997854U (en) * | 2017-07-31 | 2018-02-13 | 深圳利工科技有限公司 | A kind of vertical numerical control drilling hole machine tool bores the guiding mechanism of rifle |
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| CN107414146A (en) | 2017-12-01 |
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Effective date of registration: 20191104 Address after: 518000 101, building B6, 33 Xinxia Avenue, Shanxia community, Pinghu street, Longgang District, Shenzhen City, Guangdong Province Applicant after: Guangdong Ligong Equipment Co.,Ltd. Address before: Longgang District of Shenzhen City, Guangdong province 518100 Pinghu street community shansha Road No. 33 new B4 building Applicant before: SHENZHEN LIGONG TECHNOLOGY Co.,Ltd. |
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