CN103143748A - Improved single-tube deep hole drilling machine - Google Patents
Improved single-tube deep hole drilling machine Download PDFInfo
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- CN103143748A CN103143748A CN2013100635791A CN201310063579A CN103143748A CN 103143748 A CN103143748 A CN 103143748A CN 2013100635791 A CN2013100635791 A CN 2013100635791A CN 201310063579 A CN201310063579 A CN 201310063579A CN 103143748 A CN103143748 A CN 103143748A
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Abstract
An improved single-tube deep hole drilling machine belongs to the technical field of mechanical processing equipment, and comprises a machine body, a drill rod component, a drill rod dynamic box and a drill rod component fixing mechanism and a workpiece fixing mechanism. The improved single-tube deep hole drilling machine is characterized in that the drill rod component comprises a drill bit, a front drill rod, a rear drill rod and a reducing drill rod connecting sleeve, the drill bit is mounted at one end part of the front drill rod, the other end of the front drill rod is connected with one end of the reducing drill rod connecting sleeve, the other end of the reducing drill rod connecting sleeve is connected with one end of the rear drill rod, the other end of the rear drill rod is connected with an output shaft inside the drill rod dynamic box, a first chip discharge hole is formed in the middle in the axial direction of the front drill rod, a second chip discharging hole is formed in the middle in the axial direction of the reducing drill rod connecting sleeve, a third chip discharging hole is formed in the middle in the axial direction of the rear drill rod, the first chip discharging hole is respectively communicated with the second chip discharging hole and the shaft hole in the middle of the drill bit, and the second chip discharging hole is communicated with the third chip discharging hole. The improved single-tube deep hole drilling machine has the advantage that the using cost of the drill rod is reduced greatly while the workpiece processing quality is ensured.
Description
Technical field
the invention belongs to the machining equipment technical field, be specifically related to a kind of improved single tube deep hole drilling machine.
Background technology
deep hole drilling machine is to adopt special deep hole drill, and drill bit is done the straight-line feed motion, and workpiece and drill bit have relatively rotated the lathe of deep hole machining.Be different from traditional deep hole processing equipment, deep hole drilling machine relies on specific Drill Techniques, and draw ratio is greater than to 10 deep hole hole system and accurate shallow bore hole carries out drilling processing.At present, one of major way of machinery industry metal cutting deep hole processing is the single-pipe drill processing of chip removal type in adopting on deep hole drilling machine.Common single tube deep hole drilling machine, the drilling rod of every kind of specification is all a homogeneous tube, 3-5 the drill bit that a kind of drilling rod can only adapted correspondingly-sized section (changing at 5～10mm), and the length of drilling rod is 30-40 times of hole depth, for adapting to the processing of different pore size, drill bit is more, and the specification of drilling rod is also more, due to price progression formula increase with the increase of run of steel of drilling rod, thereby deployment cost is larger.In addition, existing drilling rod is all integral type, and can only one direction use, after using after a while, although the drilling rod back segment partly wear and tear not quite, due to leading portion part serious wear, must be scrapped and replacing, drilling rod integral body is underutilized, and causes very large waste.
in view of above-mentioned prior art, be necessary the jackrod structure of existing single tube deep hole drilling machine is improved, technical scheme described below produces under this background.
Summary of the invention
the object of the present invention is to provide a kind of improved single tube deep hole drilling machine, its drilling rod adopts split type detachable package assembly, the use cost of energy decrease drilling rod when guaranteeing the workpiece crudy.
the objective of the invention is to reach like this, a kind of improved single tube deep hole drilling machine, comprise lathe bed, drill rod assemblies, be located at drilling rod headstock and the drill rod assemblies fixed mechanism of lathe bed one end, and the fixed mechanism of the workpiece for fixation workpiece that is fixed on the lathe bed other end, be characterized in: described drill rod assemblies comprises drill bit, front drilling rod for cutting, for rear drilling rod and the reducing drill pipe connecting sleeve of power and effective travel are provided, described drill bit is arranged on an end end of front drilling rod, the other end of front drilling rod is connected with an end of reducing drill pipe connecting sleeve, the other end of reducing drill pipe connecting sleeve is connected with an end of rear drilling rod, the other end of rear drilling rod is connected with the output shaft in described drilling rod headstock, axial centre at described front drilling rod offers the first chip-removal hole, axial centre at described reducing drill pipe connecting sleeve offers the second chip-removal hole, offer the 3rd chip-removal hole in the axial centre of described rear drilling rod, described the first chip-removal hole communicates with the axis hole in the middle of described the second chip-removal hole and drill bit respectively, described the second chip-removal hole communicates with described the 3rd chip-removal hole.
in a specific embodiment of the present invention, one end of described reducing drill pipe connecting sleeve has the first external thread section, offers the first internal thread hole for being spirally connected with the first external thread section communicated with described the first chip-removal hole in the other end end of described front drilling rod; The other end of described reducing drill pipe connecting sleeve has the second external thread section, offers the second internal thread hole for being spirally connected with the second external thread section communicated with described the 3rd chip-removal hole in an end end of described rear drilling rod.
in another specific embodiment of the present invention, described drill rod assemblies fixed mechanism comprises for supporting the front drill rod bracket of front drilling rod, for supporting the rear drill rod bracket of rear drilling rod, oil head and axial seal cover, described front drill rod bracket is fixed on described lathe bed, front drilling rod guide pin bushing for playing the guiding role for described front drilling rod passes is installed in the centre of front drill rod bracket short transverse, described rear drill rod bracket can be arranged on described lathe bed movably forward and backward, rear drilling rod guide pin bushing for playing the guiding role for described rear drilling rod passes is installed in the centre of rear drill rod bracket short transverse, described oil head is arranged on described lathe bed and is positioned at the end end of front drilling rod near drill bit, in the centre of oil head short transverse and towards a side of front drill rod bracket, the sealing guide pin bushing for passing for described front drilling rod is installed, described axial seal cover is arranged on the side that oil head deviates from front drill rod bracket, described drill bit is positioned at described axial seal cover, and make described axial seal cover, the sealing guide pin bushing, front drilling rod guide pin bushing, the axis of the axis in the middle of rear drilling rod guide pin bushing and the output shaft of drilling rod headstock is positioned on the same level straight line.
in another specific embodiment of the present invention, described workpiece fixed mechanism comprises headstock, chuck and centre frame, described centre frame is arranged near on the lathe bed of the first side of oil pressure, centre in the centre frame short transverse offers through hole, described headstock is arranged on the lathe bed away from the first side of oil pressure, described chuck is fixed on described headstock, one end of workpiece is installed on chuck, and the other end of workpiece extends to and is close to the bit location place after the through hole through in the middle of centre frame.
in another specific embodiment of the present invention, described front drilling rod guide pin bushing can move forward and backward on described front drill rod bracket.
the present invention is owing to having adopted said structure, drilling rod in prior art is designed to the detachable package assembly of split formula, wherein: front drilling rod is for cutting, rear drilling rod is for providing power and effective travel, like this, as long as in the situation that meet the cutting force demand, the drilling of different pore size all can be divided into two sections to drilling rod, the length of leading portion drilling rod only needs 1/2nd of raw footage, between the drilling rods of two sections of front and back, with the reducing drill pipe connecting sleeve, connect, the back segment drilling rod is as public extension bar, but after pressing the scope segmentation in lathe deep hole processing aperture, only need several specifications to get final product, therefore at the cost that keeps significantly reducing under the prerequisite that lathe function is constant drilling rod.
The accompanying drawing explanation
fig. 1 is one embodiment of the invention planar structure schematic diagram.
the embodiment three-dimensional exploded view that Fig. 2 is drill rod assemblies of the present invention.
in figure: 1. lathe bed; 2. drill rod assemblies, 21. drill bits, 211. axis holes, 22. front drilling rods, 221. first chip-removal holes, 222. first internal thread holes, 23. reducing drill pipe connecting sleeves, 231. second chip-removal holes, 232. first external thread sections, 233. second external thread sections, 24. rear drilling rods, 241. second internal thread holes, 242. the 3rd chip-removal holes; 3. drill rod assemblies fixed mechanism, 31. axial seal covers, 32. oil heads, 33. seal guide pin bushings, 34. front drilling rod guide pin bushings, 35. front drill rod brackets, 36. rear drill rod brackets, 37. rear drilling rod guide pin bushings; 4. workpiece fixed mechanism, 41. headstocks, 42. chucks, 43. centre frames, 431. through holes; 5. workpiece; 6. drilling rod headstock.
The specific embodiment
for the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more, the applicant general elaborates in the mode of embodiment below, but the description to embodiment is not all the restriction to the present invention program, any according to the present invention design, done only for pro forma but not substantial equivalent transformation all should be considered as technical scheme category of the present invention.
refer to Fig. 1 and Fig. 2, a kind of improved single tube deep hole drilling machine of the present invention, the fixed mechanism of the workpiece for fixation workpiece 54 that comprises lathe bed 1, drill rod assemblies 2, is located at drilling rod headstock 6 and the drill rod assemblies fixed mechanism 3 of lathe bed 1 one ends and is fixed on lathe bed 1 other end.Described drill rod assemblies 2 comprises drill bit 21, front drilling rod 22 for cutting, for rear drilling rod 24 and the reducing drill pipe connecting sleeve 23 of power and effective travel are provided, described drill bit 21 is arranged on an end end of front drilling rod 22, the other end of front drilling rod 22 is connected with an end of reducing drill pipe connecting sleeve 23, the other end of reducing drill pipe connecting sleeve 23 is connected with an end of rear drilling rod 24, the other end of rear drilling rod 24 is connected with the output shaft in described drilling rod headstock 6, offer the first chip-removal hole 221 in the axial centre of described front drilling rod 22, offer the second chip-removal hole 231 in the axial centre of described reducing drill pipe connecting sleeve 23, offer the 3rd chip-removal hole 241 in the axial centre of described rear drilling rod 24, described the first chip-removal hole 221 communicates with the axis hole 211 in the middle of described the second chip-removal hole 231 and drill bit 21 respectively, described the second chip-removal hole 231 communicates with described the 3rd chip-removal hole 241.One end of described reducing drill pipe connecting sleeve 23 has the first external thread section 232, offers the first internal thread hole 222 for being spirally connected with the first external thread section 232 communicated with described the first chip-removal hole 221 in the other end end of described front drilling rod 22; The other end of described reducing drill pipe connecting sleeve 23 has the second external thread section 233, offers the second internal thread hole 241 for being spirally connected with the second external thread section 233 communicated with described the 3rd chip-removal hole 242 in an end end of described rear drilling rod 24.Described drill rod assemblies fixed mechanism 3 comprises front drill rod bracket 35, the rear drill rod bracket 36 for supporting rear drilling rod 24, oil head 32 and the axial seal cover 31 for supporting front drilling rod 22, described front drill rod bracket 35 is fixed on described lathe bed 1, front drilling rod guide pin bushing 34 for playing the guiding role for described front drilling rod 22 passes is installed in the centre of front drill rod bracket 35 short transverses, and described front drilling rod guide pin bushing 34 can move forward and backward on described front drill rod bracket 35.Described rear drill rod bracket 36 can be arranged on described lathe bed 1 movably forward and backward, rear drilling rod guide pin bushing 37 for playing the guiding role for described rear drilling rod 24 passes is installed in the centre of rear drill rod bracket 36 short transverses, described oil head 32 is arranged on described lathe bed 1 and is positioned at the end end of front drilling rod 22 near drill bit 21, in the centre of oil head 32 short transverses and towards a side of front drill rod bracket 35, the sealing guide pin bushing 33 for passing for described front drilling rod 22 is installed, described axial seal cover 31 is arranged on the side that oil head 32 deviates from front drill rod bracket 35, described drill bit 21 is positioned at described axial seal cover 31, and make described axial seal cover 31, sealing guide pin bushing 33, front drilling rod guide pin bushing 34, the axis of the axis in the middle of rear drilling rod guide pin bushing 37 and the output shaft of drilling rod headstock 6 is positioned on the same level straight line.Described workpiece fixed mechanism 4 comprises headstock 41, chuck 42 and centre frame 43, described centre frame 43 is arranged near on the lathe bed 1 of oil head 32 1 sides, centre in centre frame 43 short transverses offers through hole 431, described headstock 41 is arranged on the lathe bed 1 away from oil head 32 1 sides, described chuck 42 is fixed on described headstock 41, one end of workpiece 5 is installed on chuck 42, the other end of workpiece 5 extends to and is close to drill bit 21 positions after the through hole 431 through in the middle of centre frame 43, the effect of centre frame 43 is to workpiece 5 axial location.
in the practical operation use procedure, at first will be arranged on oil head 32 by the axial seal cover 31 of workpiece pattern preparation, choose front drilling rod 22 and the rear drilling rod 24 of required diameter, between front drilling rod 22 and rear drilling rod 24, with reducing drill pipe connecting sleeve 23, be connected, to seal guide pin bushing 33 installations and adjust to the right place, and be loaded on drill bit 21, the adjusting hole deep-seated is put and is spacing, reach oil head 32 makes axial seal overlap 31 end faces to be close to workpiece 5, can start processing after opening oil pressure pump.In process, before reducing drill pipe connecting sleeve 23 approaches during drilling rod guide pin bushing 35, but front drilling rod guide pin bushing 35 axial advancement, avoided mechanical collision, because of front drill rod bracket 31 irremovable, for guaranteeing the normal operation of drill rod assemblies 2, need manually rear drill rod bracket 36 to be moved forward near front drill rod bracket 35, continue as drill rod assemblies 2 guiding.
Claims (5)
1.
a kind of improved single tube deep hole drilling machine, comprise lathe bed (1), drill rod assemblies (2), be located at drilling rod headstock (6) and the drill rod assemblies fixed mechanism (3) of lathe bed (1) one end, and the workpiece fixed mechanism for fixation workpiece (5) (4) that is fixed on lathe bed (1) other end, it is characterized in that: described drill rod assemblies (2) comprises drill bit (21), front drilling rod (22) for cutting, for rear drilling rod (24) and the reducing drill pipe connecting sleeve (23) of power and effective travel are provided, described drill bit (21) is arranged on an end end of front drilling rod (22), the other end of front drilling rod (22) is connected with an end of reducing drill pipe connecting sleeve (23), the other end of reducing drill pipe connecting sleeve (23) is connected with an end of rear drilling rod (24), the other end of rear drilling rod (24) is connected with the output shaft in described drilling rod headstock (6), offer the first chip-removal hole (221) in the axial centre of described front drilling rod (22), offer the second chip-removal hole (231) in the axial centre of described reducing drill pipe connecting sleeve (23), offer the 3rd chip-removal hole (241) in the axial centre of described rear drilling rod (24), described the first chip-removal hole (221) communicates with the axis hole (211) in the middle of described the second chip-removal hole (231) and drill bit (21) respectively, described the second chip-removal hole (231) communicates with described the 3rd chip-removal hole (241).
2.
a kind of improved single tube deep hole drilling machine according to claim 1, an end that it is characterized in that described reducing drill pipe connecting sleeve (23) has the first external thread section (232), offers the first internal thread hole (222) for being spirally connected with the first external thread section (232) communicated with described the first chip-removal hole (221) in the other end end of described front drilling rod (22); The other end of described reducing drill pipe connecting sleeve (23) has the second external thread section (233), offers the second internal thread hole (241) for being spirally connected with the second external thread section (233) communicated with described the 3rd chip-removal hole (242) in an end end of described rear drilling rod (24).
3.
a kind of improved single tube deep hole drilling machine according to claim 1, it is characterized in that described drill rod assemblies fixed mechanism (3) comprises for supporting the front drill rod bracket (35) of front drilling rod (22), for supporting the rear drill rod bracket (36) of rear drilling rod (24), oil head (32) and axial seal cover (31), described front drill rod bracket (35) is fixed on described lathe bed (1), front drilling rod guide pin bushing (34) for playing the guiding role for described front drilling rod (22) passes is installed in the centre of front drill rod bracket (35) short transverse, described rear drill rod bracket (36) can be arranged on described lathe bed (1) movably forward and backward, rear drilling rod guide pin bushing (37) for playing the guiding role for described rear drilling rod (24) passes is installed in the centre of rear drill rod bracket (36) short transverse, described oil head (32) is arranged on described lathe bed (1) above and is positioned at the end end of front drilling rod (22) near drill bit (21), in the centre of oil head (32) short transverse and towards a side of front drill rod bracket (35), the sealing guide pin bushing (33) for passing for described front drilling rod (22) is installed, described axial seal cover (31) is arranged on the side that oil head (32) deviates from front drill rod bracket (35), described drill bit (21) is positioned at described axial seal cover (31), and make described axial seal cover (31), sealing guide pin bushing (33), front drilling rod guide pin bushing (34), the axis of the axis in the middle of rear drilling rod guide pin bushing (37) and the output shaft of drilling rod headstock (6) is positioned on the same level straight line.
4.
a kind of improved single tube deep hole drilling machine according to claim 1, it is characterized in that described workpiece fixed mechanism (4) comprises headstock (41), chuck (42) and centre frame (43), described centre frame (43) is arranged near on the lathe bed (1) of oil head (32) one sides, centre in centre frame (43) short transverse offers through hole (431), described headstock (41) is arranged on the lathe bed (1) away from oil head (32) one sides, described chuck (42) is fixed on described headstock (41), one end of workpiece (5) is installed on chuck (42), the other end of workpiece (5) extends to and is close to drill bit (21) position after the through hole (431) through in the middle of centre frame (43).
5.
a kind of improved single tube deep hole drilling machine according to claim 1, is characterized in that described front drilling rod guide pin bushing (34) can move forward and backward on described front drill rod bracket (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100635791A CN103143748A (en) | 2013-02-28 | 2013-02-28 | Improved single-tube deep hole drilling machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013100635791A CN103143748A (en) | 2013-02-28 | 2013-02-28 | Improved single-tube deep hole drilling machine |
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| CN103143748A true CN103143748A (en) | 2013-06-12 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105234464A (en) * | 2015-11-13 | 2016-01-13 | 广东鸿特精密技术（台山）有限公司 | Guiding device for drilling tool |
| CN106891035A (en) * | 2017-04-19 | 2017-06-27 | 德阳鑫晶科技有限公司 | Rig for processing small ultra-dee p holes |
| CN110640185A (en) * | 2019-10-21 | 2020-01-03 | 上海中船三井造船柴油机有限公司 | Machining tool and machining method for deep hole in center of connecting rod of marine low-speed diesel engine |
| CN111673136A (en) * | 2020-06-28 | 2020-09-18 | 包头市银海机械技术有限公司 | Drilling process for ultra-long pore steel pipe |
| CN116001113A (en) * | 2022-12-29 | 2023-04-25 | 宁夏盾源聚芯半导体科技股份有限公司 | Silicon ring surface punching method |
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| CN103056415A (en) * | 2012-12-14 | 2013-04-24 | 重庆市凯仁机械制造有限公司 | Drilling machine modified by horizontal lathe |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105234464A (en) * | 2015-11-13 | 2016-01-13 | 广东鸿特精密技术（台山）有限公司 | Guiding device for drilling tool |
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| CN110640185A (en) * | 2019-10-21 | 2020-01-03 | 上海中船三井造船柴油机有限公司 | Machining tool and machining method for deep hole in center of connecting rod of marine low-speed diesel engine |
| CN111673136A (en) * | 2020-06-28 | 2020-09-18 | 包头市银海机械技术有限公司 | Drilling process for ultra-long pore steel pipe |
| CN116001113A (en) * | 2022-12-29 | 2023-04-25 | 宁夏盾源聚芯半导体科技股份有限公司 | Silicon ring surface punching method |
| CN116001113B (en) * | 2022-12-29 | 2024-06-07 | 宁夏盾源聚芯半导体科技股份有限公司 | Silicon ring surface punching method |
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Application publication date: 20130612 |