CN103252667B - Drilling fixture for specially-shaped cross beam - Google Patents
Drilling fixture for specially-shaped cross beam Download PDFInfo
- Publication number
- CN103252667B CN103252667B CN201310186923.6A CN201310186923A CN103252667B CN 103252667 B CN103252667 B CN 103252667B CN 201310186923 A CN201310186923 A CN 201310186923A CN 103252667 B CN103252667 B CN 103252667B
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- China
- Prior art keywords
- special
- shaped crossbeam
- hole drilling
- drilling die
- cavity
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- 238000005553 drilling Methods 0.000 title claims abstract description 66
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000007514 turning Methods 0.000 claims description 12
- 230000037250 Clearance Effects 0.000 claims description 7
- 230000035512 clearance Effects 0.000 claims description 7
- 238000003754 machining Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000000875 corresponding Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Abstract
The invention provides a drilling fixture for a specially-shaped cross beam. The drilling fixture for the specially-shaped cross beam comprises a base (10), a first overturn support (4), a second overturn support (9), a drilling mold (3), a specially-shaped cross beam locking mechanism, a specially-shaped cross beam positioning mechanism and a drilling mold locking mechanism. The first overturn support (4) and the second overturn support (9) are fixed on two end portions of the base (10). The drilling mold (3) is connected with the first overturn support (4) and the second overturn support (9) in a rotatable mode. The specially-shaped cross beam locking mechanism is connected with the drilling mold (3). The specially-shaped cross beam positioning mechanism is fixedly connected with the drilling mold (3). The drilling mold locking mechanism is installed on the base (10). At least two faces of the drilling mold (3) are respectively provided with at least one drill mold cover (7). A hollow cavity of the drilling mold (3) is the installation position of the specially-shaped cross beam (2). The specially-shaped cross beam (2) is fixed in the hollow cavity through the specially-shaped cross beam locking mechanism. The position of the specially-shaped cross beam (2) in the hollow cavity is positioned and fixed through the specially-shaped cross beam positioning mechanism. The machining position of the drilling mold (3) is locked and fixed through the drilling mold locking mechanism.
Description
Technical field
The present invention relates to the field of machining of automobile, the special-shaped crossbeam of engineering machinery chassis, be specifically related to automobile, the special-shaped crossbeam boring grab of engineering machinery chassis.
Background technology
Automobile, engineering machinery chassis crossbeam are as important support parts of automobile, engineering machinery, very important effect is played to its carrying and safety, crossbeam assembly is assembled together by some large-scale transverse beams and fixed base plate, and then being assembled on complete machine, the upper and lower faces hole site dimensional requirement of crossbeam component is high.
Prior art, has two kinds: one to be first by compressing again after complete for plate breadth hole drill to the normal technique adopted of special-shaped crossbeam aerofoil boring, then bores aerofoil hole, upper and lower two aerofoils need twice clamping, and bad location, borehole accuracy is not high, efficiency is low, increases labour intensity and processing cost; Two is first plate breadth and aerofoil hole have once been bored reshaping, but due to lower aerofoil be arch, when suppressing, material has stretching, becomes hole shape and precision to be difficult to meet the demands.The requirement that above two kinds of techniques all can not meet machining accuracy simultaneously and raise the efficiency.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned prior art present situation, a kind of special-shaped crossbeam boring grab is provided, clamped one time just can complete two aerofoil borings of special-shaped crossbeam, improves precision and the production efficiency of the pore-forming of product, reduces the production cost of product.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: special-shaped crossbeam boring grab, and described special-shaped crossbeam boring grab has: base; Be fixed on the first turning supporting seat and second turning supporting seat at described base both ends; The hole drilling die be rotatably connected with described first turning supporting seat and the second turning supporting seat; The special-shaped crossbeam retaining mechanism be connected with described hole drilling die; The special-shaped crossbeam detent mechanism be fixedly connected with described hole drilling die; Be arranged on the hole drilling die lockable mechanism on described base; At least two sides of described hole drilling die has at least one drill jig sleeve respectively, the cavity of described hole drilling die is the installation site of special-shaped crossbeam, described special-shaped crossbeam is fixed in described cavity by described special-shaped crossbeam retaining mechanism, described special-shaped crossbeam detent mechanism is by fixing for the position location of described special-shaped crossbeam in described cavity, and the Working position of described hole drilling die is carried out locking by described hole drilling die lockable mechanism to be fixed.
Preferably, special-shaped crossbeam boring grab provided by the invention, described special-shaped crossbeam retaining mechanism has and is fixedly connected on the first screw rod bottom described hole drilling die cavity and the second screw rod, the locking spiral tray be connected with described first screw rod or the second screw flight.
Preferably, special-shaped crossbeam boring grab provided by the invention, described special-shaped crossbeam detent mechanism has at least one boss be fixedly connected in hole drilling die cavity; At least two alignment pins be fixed on described boss.
Further improvement project, special-shaped crossbeam boring grab provided by the invention, described special-shaped crossbeam boring grab also has at least one limiting plate be fixedly connected in hole drilling die cavity, there is the gap of inserting for described special-shaped crossbeam two aerofoil, the U-type groove inwall matched in clearance that the two ends of described limiting plate and described special-shaped crossbeam two aerofoil are formed between the two ends of described limiting plate and the cavity wall of described hole drilling die.
Preferably, special-shaped crossbeam boring grab provided by the invention, the clearance distance between the U-type groove inwall that the two ends of described limiting plate and described special-shaped crossbeam two aerofoil are formed is 0 ~ 0.5mm.The setting of described limiting plate, when the aerofoil boring of special-shaped crossbeam, limiting plate is also played a supporting role, the aerofoil of special-shaped crossbeam is avoided to produce displacement when holing by drill bit extruding, select the clearance distance of 0 ~ 0.5mm, the efficiency that special-shaped crossbeam is installed and taken out can be improved on the one hand, on the other hand, the aerofoil that as far as possible can reduce special-shaped crossbeam extrudes the displacement produced by drill bit when holing, improve pore-forming accuracy.
Preferably, special-shaped crossbeam boring grab provided by the invention, described hole drilling die lockable mechanism has the rotating shaft be rotatably connected on described base, is fixed on the locking eccentric shaft in described rotating shaft or eccentric wheel, the handle be connected with described rotating shaft one end.
Further improvement project, special-shaped crossbeam boring grab provided by the invention, described base has the mounting hole of adjustment installation site.
During special-shaped crossbeam boring, comprise following process: special-shaped crossbeam is loaded hole drilling die, aims in place by crossbeam with special-shaped crossbeam detent mechanism; By special-shaped crossbeam retaining mechanism, special-shaped crossbeam is locked behind location; Rotary drilling mould, makes the aerofoil of special-shaped crossbeam side upwards; Handle hole drilling die lockable mechanism, by the locking location, operating position of hole drilling die; Adjustment bit location, drill bit drills the hole of crossbeam one flank face downwards in drill jig sleeve; Handle hole drilling die lockable mechanism, hole drilling die operating position is unlocked; Rotary drilling mould, makes another aerofoil upwards; Handle hole drilling die lockable mechanism, by the locking location, operating position of hole drilling die; Adjustment bit location, drill bit drills the hole of crossbeam opposite side aerofoil downwards in drill jig sleeve; Handle hole drilling die lockable mechanism, hole drilling die is unlocked, handles special-shaped crossbeam retaining mechanism and special-shaped crossbeam is unlocked, take out special-shaped crossbeam.
The invention has the beneficial effects as follows: special-shaped crossbeam boring grab provided by the invention, only need clamped one time just can complete two aerofoil borings of special-shaped crossbeam, positioning precision is high, can improve machining accuracy and the production efficiency of product, reduces the processing cost of product.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is that the axle of the special-shaped crossbeam boring grab of embodiment surveys assembling schematic diagram;
Fig. 2 is Fig. 1 embodiment special-shaped crossbeam boring grab using state structural representation.
Detailed description of the invention
Special-shaped crossbeam boring grab as shown in Figure 1 and Figure 2, has base 10, and described base 10 has the mounting hole of adjustment installation site, is arranged on easily on drilling machine workbench, and the position of adjustable base and drilling machine workbench.First turning supporting seat 4 and the second turning supporting seat 9 are fixed on the both ends of described base 10, and the two ends of hole drilling die 3 are rotatably connected with described first turning supporting seat 4 and the second turning supporting seat 9 by rotating shaft; The two sides of described hole drilling die 3 has drill jig sleeve 7, and the cavity of described hole drilling die is the installation site of special-shaped crossbeam 2, and the position that quantity and position and described special-shaped crossbeam 2 liang of aerofoils of described drill jig sleeve 7 need be holed is identical with quantity.First screw rod 11 and the second screw rod 12 are fixedly connected on the bottom of described hole drilling die 3 cavity, and two locking spiral trays 1 are threaded with described first screw rod 11 or the second screw rod 12 respectively, form the retaining mechanism of special-shaped crossbeam 2; There is in the cavity of hole drilling die 3 positioning boss 13; Described boss 13 has plural alignment pin 6, and the position of alignment pin coordinates with the position of positioning hole of special-shaped crossbeam 2; Also there is in hole drilling die (3) cavity the first limiting plate 8 and the second limiting plate 14, the bottom of the first limiting plate 8 and the second limiting plate 14 is fixedly connected on the bottom of cavity, has the gap of inserting for described special-shaped crossbeam 2 liang of aerofoils between the two ends of the first limiting plate 8 and the second limiting plate 14 and the cavity wall of hole drilling die 3.The U-type groove inwall matched in clearance that the two ends of the first limiting plate 8 and the second limiting plate 14 and described special-shaped crossbeam 2 liang of aerofoils are formed, the clearance distance between the U-type groove inwall that the two ends of limiting plate and described special-shaped crossbeam two aerofoil are formed is 0 ~ 0.5mm.Rotating shaft 5 is rotatably connected on described base 10 by two axle beds, the position of rotating shaft 5 between two axle beds is provided with locking eccentric shaft or eccentric wheel 15, one end of described rotating shaft 5 is connected with handle, locking eccentric shaft or eccentric wheel 15 can be made to push against or leave the side of hole drilling die 3 by rotary handle, realize the locking location to hole drilling die 3 operating position or unblock.
In other embodiments, the special-shaped crossbeam retaining mechanism be connected with described hole drilling die can have alternate manner, as clamping, as long as can special-shaped crossbeam 2 be fixed in the cavity of hole drilling die 3, and can unlock, function of the present invention can be realized, and bring corresponding technique effect.
In other embodiments, the special-shaped crossbeam detent mechanism be fixedly connected with described hole drilling die 3 can have alternate manner, the locating groove of more than three is set bottom the cavity as hole drilling die 3, as long as can by fixing for location, the position of special-shaped crossbeam 2, function of the present invention can be realized, and bring corresponding technique effect.
In other embodiments, the hole drilling die lockable mechanism be arranged on described base can have alternate manner, as moveable wedge locating block, as long as can by the position stationary positioned of hole drilling die 3, and can unlock, function of the present invention can be realized, and bring corresponding technique effect.
Obviously, the invention is not restricted to above preferred embodiment, in the spirit that also can limit in the claims in the present invention and description, carry out conversion and the improvement of various ways, can same technical problem be solved, and obtain the technique effect of expection, therefore not repeat.Those of ordinary skill in the art can from content disclosed by the invention directly or all schemes associated, as long as within the spirit limited in claim, also belong to protection scope of the present invention.
Claims (4)
1. special-shaped crossbeam boring grab, described special-shaped crossbeam boring grab has base (10), be fixed on the first turning supporting seat (4) and second turning supporting seat (9) at described base (10) both ends, the hole drilling die (3) be rotatably connected with described first turning supporting seat (4) and the second turning supporting seat (9), the special-shaped crossbeam retaining mechanism be connected with described hole drilling die (3), the special-shaped crossbeam detent mechanism be fixedly connected with described hole drilling die (3), be arranged on the hole drilling die lockable mechanism on described base (10), the at least two sides of described hole drilling die (3) has at least one drill jig sleeve (7) respectively, the cavity of described hole drilling die (3) is the installation site of special-shaped crossbeam (2), described special-shaped crossbeam (2) is fixed in described cavity by described special-shaped crossbeam retaining mechanism, described special-shaped crossbeam detent mechanism is by fixing for the position location of described special-shaped crossbeam (2) in described cavity, the Working position of described hole drilling die (3) is carried out locking by described hole drilling die lockable mechanism to be fixed, it is characterized in that: described detent mechanism has at least one boss (13) be fixedly connected in hole drilling die (3) cavity, at least two are fixed on the alignment pin (6) on described boss (13), described lockable mechanism has the rotating shaft (5) be rotatably connected on described base (10), is fixed on the locking eccentric shaft in described rotating shaft (5) or eccentric wheel (15), the handle be connected with described rotating shaft (5) one end, described special-shaped crossbeam boring grab also has at least one limiting plate (8,14) be fixedly connected in hole drilling die (3) cavity, there is the gap of inserting for described special-shaped crossbeam (2) two aerofoil, the U-type groove inwall matched in clearance that the two ends of described limiting plate (8,14) and described special-shaped crossbeam (2) two aerofoil are formed between the two ends of described limiting plate (8,14) and the cavity wall of described hole drilling die (3).
2. special-shaped crossbeam boring grab according to claim 1, it is characterized in that: described special-shaped crossbeam retaining mechanism has and is fixedly connected on the first screw rod (11) bottom described hole drilling die (3) cavity and the second screw rod (12), the locking spiral tray (1) be threaded with described first screw rod (11) or the second screw rod (12).
3. special-shaped crossbeam boring grab according to claim 1, is characterized in that: the clearance distance between the U-type groove inwall that the two ends of described limiting plate (8,14) and described special-shaped crossbeam (2) two aerofoil are formed is 0 ~ 0.5mm.
4. special-shaped crossbeam boring grab according to claim 2, is characterized in that: described base (10) has the mounting hole of adjustment installation site.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310186923.6A CN103252667B (en) | 2013-05-20 | 2013-05-20 | Drilling fixture for specially-shaped cross beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310186923.6A CN103252667B (en) | 2013-05-20 | 2013-05-20 | Drilling fixture for specially-shaped cross beam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103252667A CN103252667A (en) | 2013-08-21 |
| CN103252667B true CN103252667B (en) | 2015-04-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310186923.6A Expired - Fee Related CN103252667B (en) | 2013-05-20 | 2013-05-20 | Drilling fixture for specially-shaped cross beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103252667B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106862960B (en) * | 2017-03-03 | 2018-09-07 | 南京交通职业技术学院 | A kind of grip device of machining center |
| CN114147253A (en) * | 2021-11-12 | 2022-03-08 | 谷城石花维福机械有限公司 | Thrust rod support and machining clamp for connecting hole of thrust rod support |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201257535Y (en) * | 2008-08-29 | 2009-06-17 | 陕西宇航科技工业公司 | Vehicle stringer drill device |
| CN201316921Y (en) * | 2008-12-24 | 2009-09-30 | 中国北车集团大同电力机车有限责任公司 | Machine tool fixture of car body pulling cross beams |
| CN101791767A (en) * | 2010-05-02 | 2010-08-04 | 济南中森机械制造有限公司 | Combined fixture for cast crossbeams |
| KR101049246B1 (en) * | 2009-06-22 | 2011-07-14 | ( 주 ) 화신 | Jig for processing axle beams for automobiles |
| CN102240822A (en) * | 2011-07-06 | 2011-11-16 | 东风（十堰）底盘部件有限公司 | Automobile cross beam drilling fixture |
| CN202192455U (en) * | 2011-07-06 | 2012-04-18 | 东风（十堰）底盘部件有限公司 | Automobile crossbeam boring grab |
| CN203265703U (en) * | 2013-05-20 | 2013-11-06 | 长沙仙达实业有限公司 | Irregular-shaped cross beam drilling clamp |
-
2013
- 2013-05-20 CN CN201310186923.6A patent/CN103252667B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201257535Y (en) * | 2008-08-29 | 2009-06-17 | 陕西宇航科技工业公司 | Vehicle stringer drill device |
| CN201316921Y (en) * | 2008-12-24 | 2009-09-30 | 中国北车集团大同电力机车有限责任公司 | Machine tool fixture of car body pulling cross beams |
| KR101049246B1 (en) * | 2009-06-22 | 2011-07-14 | ( 주 ) 화신 | Jig for processing axle beams for automobiles |
| CN101791767A (en) * | 2010-05-02 | 2010-08-04 | 济南中森机械制造有限公司 | Combined fixture for cast crossbeams |
| CN102240822A (en) * | 2011-07-06 | 2011-11-16 | 东风（十堰）底盘部件有限公司 | Automobile cross beam drilling fixture |
| CN202192455U (en) * | 2011-07-06 | 2012-04-18 | 东风（十堰）底盘部件有限公司 | Automobile crossbeam boring grab |
| CN203265703U (en) * | 2013-05-20 | 2013-11-06 | 长沙仙达实业有限公司 | Irregular-shaped cross beam drilling clamp |
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| Publication number | Publication date |
|---|---|
| CN103252667A (en) | 2013-08-21 |
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Granted publication date: 20150429 Termination date: 20160520 |