CN204843063U - A drill point utensil for processing oblique oilhole of piston head - Google Patents

A drill point utensil for processing oblique oilhole of piston head Download PDF

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Publication number
CN204843063U
CN204843063U CN201520576631.8U CN201520576631U CN204843063U CN 204843063 U CN204843063 U CN 204843063U CN 201520576631 U CN201520576631 U CN 201520576631U CN 204843063 U CN204843063 U CN 204843063U
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China
Prior art keywords
piston top
column
crossbeam
oil hole
drill jig
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CN201520576631.8U
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Chinese (zh)
Inventor
兰忠杰
邢立莉
景富生
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Shannxi Diesel Engine Heavy Industry Co Ltd
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Shannxi Diesel Engine Heavy Industry Co Ltd
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Priority to CN201520576631.8U priority Critical patent/CN204843063U/en
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Abstract

The utility model provides a drill point utensil for processing oblique oilhole of piston head, the speed -adjustable double end filament yielding mechanism of a fused -deposition -type three -dimensional printer comprises a pedestal, the base is mainly by the bottom plate, stand I is constituteed with stand II, the bottom plate up end is equipped with the holding ring of location piston head, holding ring one side is equipped with puts traditional thread binding, two stand one sides all are equipped with the limited central device who prescribes a limit to the piston head center with the outer disc contact of piston head, two stand opposite sides are equipped with the closing device of fixed piston head, stand I supports the crossbeam on piston head upper portion with stand II, be equipped with the jig device of the oblique oilhole of processing on the crossbeam. The utility model discloses make the piston head location accurate reliable, easy dismounting is swift, and high to the line precision, the structure is simplified, and low in manufacturing cost satisfies part mass production needs.

Description

For the drill jig of machining piston top inclined oil hole of air
Technical field
The utility model belongs to fixture for machine tool technical field, is specifically related to a kind of drill jig for machining piston top inclined oil hole of air.
Background technology
In the structure of internal combustion engine, the effect of piston is most important, and piston is generally made up of piston top and piston skirt.When internal combustion engine operation, be full of lubricating oil in the cavity of piston top and die cavity, the several inclined oil hole of air in piston top make the lubricating oil in cavity and the lubricating oil in die cavity be interconnected, thus make the lubricating system of internal combustion engine form closed loop.In the design of piston top, the general provision angle of inclined oil hole of air axis and end face, piston top axis and cavity intersection point is apart from the distance of end face, also specify angle between several inclined oil hole of air.These requirements of inclined oil hole of air are very high, and difficulty of processing is very large, adds and special drill jig must be used man-hour to position.And existing drill jig adds man-hour, Problems existing is: one is that the pilot hole length that drill jig covers is long, add the distance of pilot hole to drill bushing, need to be equipped with very long target drill, cost compare is high, and the pilot hole that covers of drill jig due to length long, manufacture difficulty is also larger, and cost of manufacture is high; Two is that positioning disk uses end face and excircle orientation piston top, if the seam of positioning disk and piston top cylindrical excesssive gap, then positioning precision is poor, and gap is too small, then more difficult when piston top cylindrical loads in the seam of positioning disk; Three is process an inclined oil hole of air when being rotated by piston top, and frictional force is comparatively large, rotates very difficult, and when especially piston top size is larger, its weight is very large, rotates more difficult, and easily abrades piston top periphery; Four be line on piston top, positioning disk, drill jig lid three place cylindrical not in one plane, due to the collimation error, be difficult to three place's scribe-lane alignment, reduce machining accuracy, production efficiency is low, can not meet the Production requirement of part.Therefore be necessary to propose to improve.
Utility model content
The technical problem that the utility model solves: a kind of drill jig for machining piston top inclined oil hole of air is provided, adopt the center limiting center fixture positioning piston top, the position of fixing drill bushing is ensured by crossbeam, make accurate positioning reliable, with hold down gag clamping piston top, make convenient to disassembly, effectively improve line precision to line slide block, drill bit can directly by fixing drill bushing processing inclined oil hole of air, simplify the structure, reduce manufacturing cost, the utility model improves piston top working (machining) efficiency, machining accuracy is accurate, meets part and produces needs in enormous quantities.
The technical solution adopted in the utility model: for the drill jig of machining piston top inclined oil hole of air, there is base, described base is primarily of base plate, column I and column II form, described base plate upper surface is provided with the locating ring on positioning piston top, described locating ring side is provided with alignment device, described two column sides are equipped with and contact with piston top periphery and to limit the restriction center fixture at piston top center, described two column opposite sides are provided with the hold down gag on fixed piston top, described column I and column II by cross beam support on piston top top, described crossbeam is provided with the drill jig device of processing inclined oil hole of air.
Wherein, described restriction center fixture comprises roller and roller, and described roller bottom is fixed on base plate, and the top of described roller and roller are socketed, and the upper surface of described roller is provided with the screw II preventing roller landing.
Further, described hold down gag comprises lining, pressing plate, stud and nut I, described lining is fixed on base plate by pin II, spring is provided with in described lining endoporus, endoporus in the external cylindrical surface of described pressing plate bottom and lining is adaptive and make its bottom surface, hole I be pressed on spring, described stud one end through behind the hole II in pressing plate and hole I and spring with endoporus in lining bottom threaded engagement, described nut I screws with the stud other end and is compressed by pressing plate.
Further, described alignment device comprises bearing and to line slide block, described bearing is fixed on base plate by screw IV and pin IV, is describedly placed in bearing upper surface stopper slot to line slide block, is describedly provided with the cusp with the scribe-lane alignment on piston top periphery to line slide block one end.
Further, described crossbeam one end is integrated by hinge axis and column I upper articulation.
Further, the described crossbeam other end is provided with U-type groove, and described crossbeam U-type groove one end is placed in column II upper grooves, and bolt one end is through U-type groove and by pin V and column II groove lower hinge, and nut II and the bolt other end screw and compressed by crossbeam.
Further, described drill jig device comprises bushing plate and fixing drill bushing, and described bushing plate is fixed on the side of crossbeam by screw III and pin III, and described bushing plate bottom is provided with inclined hole, is provided with fixing drill bushing in described inclined hole.
Further, described locating ring is fixed on base plate by screw I and pin I.
Further, described base plate lower surface is fixed with the key be connected with wedge on platen by screw V.
The utility model advantage compared with prior art:
1, adopt the center limiting center fixture positioning piston top, compare with the locate mode of cylindrical with seam, its location is more reliable, make the easier for installation of piston top, wherein roller reduces frictional force when piston top rotates, and avoids scratch piston top periphery, ensures part quality;
2, crossbeam one end and column I hinge, for compressing the bolt of the crossbeam other end and being also hinge with column II, makes the dismounting of part very convenient, quick;
3, drill jig device is fixed on crossbeam side, and drill bit can directly by fixing drill bushing processing inclined oil hole of air, and eliminate pilot hole structure in original technology, structure is simple, reduces manufacturing cost, also makes fixing drill bushing locate fast accurately;
4, hold-down mechanism inside arranges spring, and is compressed rapidly by stud and nut I and unclamped piston top, makes part convenient, fast when rotation and dismounting, improves working (machining) efficiency;
5, the line that is direct and piston top periphery of the cusp of line slide block is adjacent to, substantially increases line precision and machining accuracy, meet the tolerance of predetermined angular between several inclined oil hole of air;
6, structure is simple, and location is reliable, low cost of manufacture, and machining accuracy is high, and the scope of application is wide, can meet the demand that part is produced in enormous quantities.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model;
Fig. 2 is structural front view of the present utility model;
Fig. 3 is structure top view of the present utility model;
Fig. 4 is the A-A sectional view of Fig. 2;
Fig. 5 is the B-B sectional view of Fig. 3;
Fig. 6 is the C-C sectional view of Fig. 3;
Fig. 7 is the D-D sectional view of Fig. 2;
Fig. 8 is the E-E sectional view of Fig. 2;
Fig. 9 is the F-F sectional view of Fig. 3;
Figure 10 is the G-G sectional view of Fig. 3;
Figure 11 is using state schematic diagram of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing 1-11, embodiment of the present utility model is described.
For the drill jig of machining piston top inclined oil hole of air, as shown in Figure 1,2,3, 4, there is base 1, described base 1 is primarily of base plate 101 and the column I 102 and column II 103 composition that are welded thereon end face, described base plate 101 lower surface is fixed with the key 24 be connected with wedge 30 on platen 31 by screw V 25, described base plate 101 upper surface is provided with the locating ring 2 of positioning piston top 29 end face, concrete, described locating ring 2 uses pin I 4 to be positioned on base plate 101 by the mode of plane and two pits, then adopts screw I 3 to be fixed and clamped, described locating ring 2 side is provided with alignment device, concrete, as shown in Figure 10, described alignment device comprises bearing 20 and to line slide block 22, described bearing 20 uses pin IV 23 to be positioned on base plate 101 by the mode of plane and two pits, fix with screw IV 21 again, described bearing 20 upper surface stopper slot is placed in line slide block 22, described the cusp 2201 with the scribe-lane alignment on piston top 29 periphery is provided with to line slide block 22 one end, cusp 2201 line that is direct and piston top 29 periphery is adjacent to, substantially increase line precision and machining accuracy, meet the tolerance of predetermined angular between several inclined oil hole of air, described two column sides are equipped with and contact with piston top 29 periphery and to limit the restriction center fixture at piston top 29 center, concrete, as shown in Figure 5, described restriction center fixture comprises roller 5 and roller 6, described roller 5 bottom is fixed on base plate 101, top and the roller 6 of described roller 5 are socketed, the upper surface of described roller 5 is provided with the screw II 7 preventing roller 6 landing, limit center fixture to compare with the locate mode of cylindrical with seam, its location is more reliable, make the easier for installation of piston top, wherein, roller 6 reduces frictional force when piston top 29 rotates, avoid scratch piston top periphery, ensure part quality, described two column opposite sides are provided with the hold down gag on fixed piston top 29, concrete, as shown in Figure 6, described hold down gag comprises lining 8, pressing plate 9, stud 10 and nut I 11, described lining 8 is fixed on base plate 101 by pin II 13, spring 12 is provided with in described lining 8 endoporus 801, endoporus 801 in the external cylindrical surface of described pressing plate 9 bottom and lining 8 is adaptive and make its bottom surface, hole I 901 be pressed on spring 12, described stud 10 one end is through the threaded engagement behind the hole II 902 in pressing plate 9 and hole I 901 and spring 12 and in lining 8 bottom endoporus 801, described nut I 11 screws with stud 10 other end and is compressed by pressing plate 9, crossbeam 14 is supported on piston top 29 top by described column I 102 and column II 103, concrete, as Fig. 7, shown in 8, described crossbeam 14 one end is integrated by hinge axis 15 and column I 102 upper articulation, described crossbeam 14 other end is provided with U-type groove 1401, described crossbeam 14U type groove 1401 one end is placed in column II 103 upper grooves, bolt 26 one end is through U-type groove 1401 and by pin V 27 and column II 103 groove lower hinge, nut II 28 and bolt 26 other end screw and are compressed by crossbeam 14, the structure that arranges of crossbeam 14 makes the dismounting of part fast very convenient, described crossbeam 14 is provided with the drill jig device of processing inclined oil hole of air, concrete, as shown in Figure 9, described drill jig device comprises bushing plate 16 and fixing drill bushing 17, described bushing plate 16 uses pin III 19 to be positioned at the side of crossbeam 14 by the mode of plane and two pits, then screw III 18 is adopted to be fixed, described bushing plate 16 bottom is provided with inclined hole 1601, fixing drill bushing 17 is provided with in described inclined hole 1601, drill bit 32 directly can process inclined oil hole of air by fixing drill bushing 17, eliminate pilot hole structure in original technology, structure is simple, reduce manufacturing cost, also fixing drill bushing 17 is made to locate fast accurately.
Utility model works principle: as shown in figure 11, base plate 101 lower surface and the wedge 30 of base 1 are adjacent to, and be fixedly connected with the T-slot of wedge 30 by two keys 24, restriction base 1 phase place, and then use T-shaped bolt to be pressed on wedge 30 through the mounting hole of base 1, so just the utility model is arranged on platen 31.Unclamp nut I 11, pressing plate 9 is upspring by spring 12, unclamp nut II 28 and bolt 26 is rotated laterally, then one end crossbeam 14 being put into column II 103 upper grooves starts, piston top 29 is put on locating ring 2, piston top 29 lower surface and locating ring are adjacent to, piston top 29 periphery is near two rollers 6, rotary-piston top 29, line on piston top 29 periphery is alignd with to the cusp 2201 of line slide block 22, now fastening nut I 11, then piston top 29 is fixed by pressing plate 9, then crossbeam 14 is put into column II 103 upper grooves by the one end started, bolt 26 is rotated to the inside, make bolt 26 through the U-type groove 1401 of crossbeam 14, fastening nut II 28, crossbeam 14 is made to be located and compress, also make bushing plate 16 and fixing drill bushing 17 be fixed simultaneously, then inclined oil hole of air processed by the fixing drill bushing 17 that machine tool chief axis drives drill bit 32 to pass through in bushing plate 16.After processing an inclined oil hole of air, unclamp nut I 11, pressing plate 9 is upspring, rotary-piston top 29, another line on piston top 29 periphery is alignd with to the cusp 2201 of line slide block 22, then fastening nut I 11, make pressing plate 9 clamping piston top 29 again, machine tool chief axis drives drill bit 32 to process another inclined oil hole of air, and method processes other inclined oil hole of air successively.
Controlling element during the utility model manufactures: in order to ensure the positional precision of process inclined oil hole of air, need control the angle d of fixing drill bushing 17 axis and piston top 29 end face, fixing drill bushing 17 axis and bushing plate 16 inner side plane intersection point apart from distance h, the distance f of bushing plate 16 inner side plane distance two roller centre lines of plane on locating ring 2, two roller 6 centers distance e, fix the symmetry of drill bushing 17 axis based on normal in two roller 6 lines of centres.Wherein, the control of d is ensured to the angle of piston top 29 inclined oil hole of air axis and end face, the control of h, f and e be ensure that to the distance of piston top 29 axis and cavity intersection point distance end face, the symmetry of piston top 29 inclined oil hole of air axis based on piston top center being ensured to the control of symmetry, to align with to the cusp 2201 of line slide block 22 angle that ensure that between the several inclined oil hole of air of piston top 29 by making several places line on piston top 29 cylindrical.
The utility model overcomes defect of the prior art, accurately fast piston top 29 can be positioned clamping, reduces the production cost of part, enhance productivity, machining accuracy is high, and structure is simple, the scope of application is wide, can meet the demand that part is produced in enormous quantities
Above-described embodiment, just preferred embodiment of the present utility model, is not used for limiting the utility model practical range, therefore all equivalence changes done with content described in the utility model claim, all should be included within the utility model right.

Claims (9)

1. for the drill jig of machining piston top inclined oil hole of air, there is base (1), it is characterized in that: described base (1) is primarily of base plate (101), column I (102) and column II (103) form, described base plate (101) upper surface is provided with the locating ring (2) of positioning piston top (29), described locating ring (2) side is provided with alignment device, described two column sides are equipped with and contact with piston top (29) periphery and to limit the restriction center fixture at piston top (29) center, described two column opposite sides are provided with the hold down gag of fixed piston top (29), crossbeam (14) is supported on piston top (29) top by described column I (102) and column II (103), described crossbeam (14) is provided with the drill jig device of processing inclined oil hole of air.
2. the drill jig for machining piston top inclined oil hole of air according to claim 1, it is characterized in that: described restriction center fixture comprises roller (5) and roller (6), described roller (5) bottom is fixed on base plate (101), described roller (5) top and roller (6) are socketed, and described roller (5) upper surface is provided with the screw II (7) preventing roller (6) landing.
3. the drill jig for machining piston top inclined oil hole of air according to claim 1, it is characterized in that: described hold down gag comprises lining (8), pressing plate (9), stud (10) and nut I (11), described lining (8) is fixed on base plate (101) by pin II (13), spring (12) is provided with in described lining (8) endoporus (801), endoporus (801) in described pressing plate (9) bottom external cylindrical surface and lining (8) is adaptive and make its bottom surface, hole I (901) be pressed on spring (12), described stud (10) one end through the hole II (902) in pressing plate (9) and hole I (901) and spring (12) afterwards with endoporus (801) in lining (8) bottom threaded engagement, described nut I (11) screws with stud (10) other end and is compressed by pressing plate (9).
4. the drill jig for machining piston top inclined oil hole of air according to claim 1, it is characterized in that: described alignment device comprises bearing (20) and to line slide block (22), described bearing (20) is fixed on base plate (101) by screw IV (21) and pin IV (23), described bearing (20) upper surface stopper slot is placed in line slide block (22), described the cusp (2201) with the scribe-lane alignment on piston top (29) periphery is provided with to line slide block (22) one end.
5. the drill jig for machining piston top inclined oil hole of air according to claim 1 or 2 or 3 or 4, is characterized in that: described crossbeam (14) one end is integrated by hinge axis (15) and column I (102) upper articulation.
6. the drill jig for machining piston top inclined oil hole of air according to claim 5, it is characterized in that: described crossbeam (14) other end is provided with U-type groove (1401), in described crossbeam (14), U-type groove (1401) one end is placed in column II (103) upper grooves, bolt (26) one end is through U-type groove (1401) and by pin V (27) and column II (103) groove lower hinge, and nut II (28) and bolt (26) other end screw and compressed by crossbeam (14).
7. the drill jig for machining piston top inclined oil hole of air according to claim 6, it is characterized in that: described drill jig device comprises bushing plate (16) and fixing drill bushing (17), described bushing plate (16) is fixed on crossbeam (14) side by screw III (18) and pin III (19), described bushing plate (16) bottom is provided with inclined hole (1601), is provided with fixing drill bushing (17) in described inclined hole (1601).
8. the drill jig for machining piston top inclined oil hole of air according to claim 7, is characterized in that: described locating ring (2) is fixed on base plate (101) by screw I (3) and pin I (4).
9. the drill jig for machining piston top inclined oil hole of air according to claim 8, is characterized in that: described base plate (101) lower surface is fixed with the key (24) be connected with wedge (30) on platen (31) by screw V (25).
CN201520576631.8U 2015-08-03 2015-08-03 A drill point utensil for processing oblique oilhole of piston head Active CN204843063U (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105436954A (en) * 2015-12-26 2016-03-30 深圳市富诚达科技有限公司 Centring location fixture
CN105817924A (en) * 2016-05-24 2016-08-03 合肥吉年机械设备有限公司 Clamp of radial drilling machine
CN105904244A (en) * 2016-05-24 2016-08-31 合肥吉年机械设备有限公司 Clamping method of fixture for radial drilling machine
CN105921792A (en) * 2016-07-06 2016-09-07 哈尔滨理工大学 Drill jig used for rear axle shell machining
CN106001707A (en) * 2016-08-03 2016-10-12 广西玉柴机器股份有限公司 Tool and method for machining water hole in side wall of inner cavity of air cylinder body by utilizing right angle drill
CN106964809A (en) * 2017-05-15 2017-07-21 成都亨通兆业精密机械有限公司 The tapping mechanism popped one's head in for oil film
CN106975767A (en) * 2017-05-15 2017-07-25 成都亨通兆业精密机械有限公司 The boring method popped one's head in applied to oil film
CN107096941A (en) * 2017-05-15 2017-08-29 成都亨通兆业精密机械有限公司 A kind of boring method of oil film probe
CN107127366A (en) * 2017-05-15 2017-09-05 成都亨通兆业精密机械有限公司 Oil film probe drill machine
CN109352364A (en) * 2018-12-10 2019-02-19 中国航发贵州黎阳航空动力有限公司 A kind of reverse drawing fixture

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105436954A (en) * 2015-12-26 2016-03-30 深圳市富诚达科技有限公司 Centring location fixture
CN105817924A (en) * 2016-05-24 2016-08-03 合肥吉年机械设备有限公司 Clamp of radial drilling machine
CN105904244A (en) * 2016-05-24 2016-08-31 合肥吉年机械设备有限公司 Clamping method of fixture for radial drilling machine
CN105921792A (en) * 2016-07-06 2016-09-07 哈尔滨理工大学 Drill jig used for rear axle shell machining
CN106001707A (en) * 2016-08-03 2016-10-12 广西玉柴机器股份有限公司 Tool and method for machining water hole in side wall of inner cavity of air cylinder body by utilizing right angle drill
CN106001707B (en) * 2016-08-03 2017-11-07 广西玉柴机器股份有限公司 A kind of frock and method in utilization right-angle drill processing cylinder block intracavity sidewall water hole
CN106964809A (en) * 2017-05-15 2017-07-21 成都亨通兆业精密机械有限公司 The tapping mechanism popped one's head in for oil film
CN106975767A (en) * 2017-05-15 2017-07-25 成都亨通兆业精密机械有限公司 The boring method popped one's head in applied to oil film
CN107096941A (en) * 2017-05-15 2017-08-29 成都亨通兆业精密机械有限公司 A kind of boring method of oil film probe
CN107127366A (en) * 2017-05-15 2017-09-05 成都亨通兆业精密机械有限公司 Oil film probe drill machine
CN109352364A (en) * 2018-12-10 2019-02-19 中国航发贵州黎阳航空动力有限公司 A kind of reverse drawing fixture

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