CN102672240A - Drilling jig for combination machining of cylinder body of diesel engine and flywheel shell - Google Patents
Drilling jig for combination machining of cylinder body of diesel engine and flywheel shell Download PDFInfo
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- CN102672240A CN102672240A CN2012101664138A CN201210166413A CN102672240A CN 102672240 A CN102672240 A CN 102672240A CN 2012101664138 A CN2012101664138 A CN 2012101664138A CN 201210166413 A CN201210166413 A CN 201210166413A CN 102672240 A CN102672240 A CN 102672240A
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- bell housing
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Abstract
The invention relates to a drilling jig for combination machining of a cylinder body of a diesel engine and a flywheel shell. The drilling jig comprises a triangular drill plate; a step-shaped spindle mounting hole is arranged in the center of the drill plate, and a spindle is mounted in the spindle mounting hole, and is perpendicular to the drill plate; drill plate bolt holes are symmetrically arranged on the drill plate on two sides of the spindle; the drill plate is provided with a strip-shaped cover plate, the cover plate is provided with cover plate bolt holes, the drill plate bolt holes correspond to the cover plate bolt holes, and bolts are inserted in the drill plate bolt holes and the cover plate bolt holes in a matched manner; positioning pin holes are respectively arranged at two ends of the cover plate, and a cylindrical pin and a trimming pin are respectively arranged in the positioning pin holes at the two ends of the cover plate in a matched manner; and two guide sleeves are disposed on the spindle. Combination machining of the cylinder body of the diesel engine and the flywheel shell is realized, a detecting tool is used for machined parts, assembly reliability is guaranteed, and work efficiency is improved.
Description
Technical field
The invention belongs to mechanical processing technique equipment technology field, be specifically related to be used for the drill jig of cylinder of diesel engine and bell housing combination processing.
Background technology
The cylinder block of Diesel engine is a skeleton, and movement parts such as connecting rod, bent axle all are contained in cylinder block inside, and flywheel is contained in the outside and bell housing inside of cylinder block, and crankshaft-and-connecting-rod drives the relative cylinder block of flywheel and does rotation at a high speed.Bell housing, bell housing are contained in the cylinder block outside, and bell housing is assemblied in the cylinder block rear end face through two dowel holes, and clutch is contained on the bell housing through two pin-and-holes.Bell housing is installed on the cylinder block, has bolt, bullet pad to fix, and bell housing can not be beated and be shifted.Bell housing bottom is installed with oil sump, so that dismounting flywheel, clutch assembly, the adjustment clutch.Also adorning starter (motor) above the bell housing.This shows, the function of bell housing be bear weight, with engine and speed changer location etc.Bell housing holds clutch assembly, bears speed changer weight, plays the transmission of power point action.Before and after the bell housing damage rupture often occurs in the plane promptly with the contact-making surface of cylinder block and bell housing on.Because bell housing bears weight and external force, can crack and be out of shape inevitably.Bell housing distortion back its depth of parallelism, bearing hole centrad lose original accuracy, and just the bell housing bearing hole can not be concentric with crankshaft center and speed changer center, causes engine and speed changer center deflection.This will influence the transmission of power, and the wearing and tearing of secondary part also can increase the weight of, and the transmission abnormal sound will produce.For engine crankshaft center line and transmission drive shaft center line are coincide, bell housing is provided with plane and centralized positioning device.Like cylinder block plane and bell housing plane, speed changer active wheel cap and bell housing hold the hole and all guarantee the depth of parallelism and concentricity.The relative cylinder block in the big seam hole of bell housing is installed the position degree requirement of bell housing two dowel holes very up to arriving φ 0.05, and the crudy in this hole will directly have influence on the complete machine quality and the security performance of diesel engine.And being installed on the bell housing, the position degree that bell housing two pin-and-holes are installed on the relative cylinder block of clutch two pin-and-holes also to reach φ 0.02; The position degree that cylinder block two is installed relative crankshaft center of bell housing pin-and-hole and rear end face requires to be φ 0.05, is even more important so the crudy of cylinder block installation bell housing two dowel holes seems.Bell housing two dowel holes and cylinder block rear end face two pin-and-hole sizes are one to one, so the fit processing of cylinder block and bell housing 2-φ 10F8 pin-and-hole can better guarantee the position degree of bell housing big seam hole and installation clutch two pin-and-holes.
Summary of the invention
In order to control the Tolerance of Degree of position of relative cylinder block faying face two pin-and-holes in the big seam of bell housing hole exactly; And have good operability, the present invention provides a kind of dependable performance, the easy to operate drill jig that is used for cylinder of diesel engine and bell housing combination processing.
The object of the invention is achieved through following technical scheme:
The drill jig that is used for cylinder of diesel engine and bell housing combination processing comprises leg-of-mutton bushing plate 7, and the neighboring at 7 three angles of bushing plate is rounded; The center of bushing plate 7 offers step-like spindle mounting hole, is provided with main shaft 9 in the spindle mounting hole, and main shaft 9 is perpendicular to bushing plate 7; Symmetry offers the bushing plate pin hole on the bushing plate 7 of main shaft 9 both sides; Bushing plate 7 is provided with the cover plate 5 of strip; Offer the cover plate pin hole respectively on the cover plate 5 corresponding with the bushing plate pin hole of both sides; Cooperation is provided with latch 4 in each other corresponding bushing plate pin hole and the cover plate pin hole, and the distance of two dowel holes is identical on the distance on the cover plate 5 between two cover plate pin holes, the distance between two bushing plate pin holes on the bushing plate 7 and the processed cylinder of diesel engine rear end face; Cover plate 5 two ends places offers dowel hole respectively, and the distance that the distance between place, the two ends dowel hole and processed bell housing are installed on the clutch surface between two pin-and-holes is identical; Cooperate in the one end dowel hole to be provided with straight pin 1, cooperate in the other end dowel hole to be provided with chamfered edge pin 6; Main shaft 9 is provided with two guide pin bushings 8.
The upper end of said latch 4 is a handle; Latch 4 lower end outside dimensions are identical with dowel hole internal diameter size on the processed cylinder of diesel engine rear end face; Latch 4 middle part outside dimensions are identical with cover plate pin hole internal diameter size on the cover plate 5, and two drill jig pin hole internal diameter sizes are slightly larger than latch 4 middle part outside dimensions on the bushing plate 7.
The center of said bushing plate 7 offers step-like spindle mounting hole; The upper end of said main shaft 9 is a flange end; The flange end of main shaft 9 cooperates with bushing plate 7 step-like spindle mounting holes, and is connected with pin through bolt, and the lower end outside dimension of main shaft 9 is identical with the internal diameter of guide pin bushing 8.
The upper end of every guide pin bushing 8 is provided with outer chimb, and the lower end external diameter of guide pin bushing 8 is identical with the crankshaft hole internal diameter of tested cylinder block.
Useful technique effect of the present invention is embodied in following several aspect:
1. the present invention has realized the combination processing of cylinder block and bell housing, and the part that processes also is furnished with detection tool, has guaranteed the reliability of assembling, has improved operating efficiency;
2. process is simple and convenient; Can accurately guarantee the position degree φ 0.05 of two φ 10F8 pin-and-holes that φ 370 endoporus are honorable with respect to the bell housing cylinder; Reduced by the overproof rigging error that causes of this position degree, controlled the uniformity of two φ 10F8 pin-and-hole processing of cylinder block and bell housing effectively, also guaranteed the position degree φ 0.02 of two φ 10U8 of bell housing installation clutch surface simultaneously; Thereby make the assembling of cylinder block and bell housing reach designing requirement, improved the quality of product.The present invention is through trial production, and the element precision after the processing detects through appliance special for detecting and meets drawing requirement, and effect is very good.
Description of drawings
Fig. 1 is a structure cutaway view of the present invention.
Fig. 2 is a vertical view of the present invention.
Fig. 3 is main shaft and bushing plate assembling parts vertical view.
Fig. 4 is main shaft and bushing plate assembling parts cutaway view.
Fig. 5 is a real work sketch map of the present invention.
Sequence number among the last figure: straight pin 1, M8 bolt 2, pin 3, latch 4, cover plate 5, chamfered edge pin 6, bushing plate 7, guide pin bushing 8, main shaft 9, cover plate lower plane 10, bell housing bell housing faying face 11, bell housing 12, bell housing cylinder block faying face 13, installation bell housing face 14, cylinder block 15, Working position 16.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is done to describe further through embodiment.
Embodiment:
Referring to Fig. 1 and Fig. 2, the drill jig that is used for cylinder of diesel engine and bell housing combination processing comprises leg-of-mutton bushing plate 7, and the neighboring at 7 three angles of bushing plate is rounded; The center of bushing plate 7 offers step-like spindle mounting hole; Main shaft 9 is installed in the spindle mounting hole, and the upper end of main shaft 9 is a flange end, and the flange end of main shaft 9 cooperates with bushing plate 7 step-like spindle mounting holes; And connect through four M8 bolts 2; Two pin 3 location, and main shaft 9 is seen Fig. 4 perpendicular to bushing plate 7.Symmetry offers the bushing plate pin hole on the bushing plate 7 of main shaft 9 both sides, sees Fig. 3; Bushing plate 7 is provided with the cover plate 5 of strip; Offer the cover plate pin hole on the cover plate 5 corresponding with the bushing plate pin hole of both sides; Cooperate in corresponding each other bushing plate pin hole and the cover plate pin hole to be fitted with latch 4, the distance between the two bushing plate pin holes on the distance on the cover plate 5 between the two cover plate pin holes, the bushing plate 7 is identical with the distance of cylinder block 15 rear end face 2-φ 8 dowel holes.The upper end of latch 4 is a handle shape; Two cover plate pin hole internal diameter sizes are identical on latch 4 middle part outside dimensions and the cover plate 5; Latch 4 lower end outside dimensions are identical with φ 8 dowel hole internal diameter sizes on cylinder block 15 rear end faces, and two drill jig pin hole internal diameter sizes are slightly larger than latch 4 middle-end outside dimensions on the bushing plate 7.Cover plate 5 two ends places offers dowel hole respectively, and the distance that the distance between place, the two ends dowel hole and bell housing 12 are installed on the clutch surfaces between two pin-and-holes is identical; Cooperate in the one end dowel hole to be provided with straight pin 1, cooperate in the other end dowel hole to be provided with chamfered edge pin 6, straight pin 1 is identical with bell housing two pin-and-hole internal diameter sizes with a pin outside dimension of chamfered edge pin 6.Be arranged with two guide pin bushings 8 on the main shaft 9, the upper end of every guide pin bushing 8 is provided with outer chimb, and the lower end outside dimension of main shaft 9 is identical with the internal diameter of guide pin bushing 8; The lower end external diameter of guide pin bushing 8 is identical with the crankshaft hole internal diameter of tested cylinder block.
Referring to Fig. 5; During use; Earlier with the installation bell housing face 14 (rear end face) of cylinder block 15 up, cylinder block 15 bottom surfaces are placed on the radial drilling machine work top facing to the operator, with bell housing 12 according to bell housing cylinder block faying face 13 shown in Figure 5 down; Must clean two junction with rag, assurance bell housing cylinder block faying face 13 can be fitted with 14 liang of planes of installation bell housing face fully; Then two guide pin bushings 8 are put into 15 first grades of crankshaft holes of cylinder block and second gear crankshaft hole respectively, then put into dowel hole to main shaft shown in Figure 4 and bushing plate assembling parts; Again straight pin on the cover plate 51 and chamfered edge pin 6 are inserted on the bell housing bell housing faying faces 11 in two technology pin-and-holes, guarantee that cover plate lower plane 10 and bell housing bell housing faying face 11 can fit fully; With two latches 4 respectively from cover plate 5 two of the plane φ 12 pin holes pass 7 liang of pin holes of bushing plate and insert two φ 8 dowel holes of cylinder block rear end face, then bell housing 12 and cylinder block 15 are tightened in advance with six M12 bolts; Take away cover plate 5 and two latches 4; Fill in the gap in bushing plate 7 three-jaw φ, 370 cylindricals and bell housing 12 big seam holes respectively with clearance gauge; The adjustment of bell housing cylindrical is beaten with wooden mallet in the frontier fortress limit; Evenly again the percentage gauge stand is placed on big seam φ 370 endoporus of school, last plane bell housing of bushing plate 7 in the three-jaw gap, does not have significant change like the pressure table six M12 bolts are finally tightened; Bore, expand, cut with scissors two φ 10 pin-and-holes of the Working position 16 on cylinder block and the bell housing with drill bit and reamer.
Claims (4)
1. be used for the drill jig of cylinder of diesel engine and bell housing combination processing, it is characterized in that: comprise leg-of-mutton bushing plate (7), the neighboring at (7) three angles of bushing plate is rounded; The center of bushing plate (7) offers step-like spindle mounting hole, is provided with main shaft (9) in the spindle mounting hole, and main shaft (9) is perpendicular to bushing plate (7); The bushing plate (7) of main shaft (9) both sides is gone up symmetry and is offered the bushing plate pin hole; Bushing plate (7) is provided with the cover plate (5) of strip; The cover plate corresponding with the bushing plate pin hole of both sides offers the cover plate pin hole respectively on (5); Cooperation is provided with latch (4) in each other corresponding bushing plate pin hole and the cover plate pin hole, and the distance of two dowel holes is identical on the distance between last two the cover plate pin holes of cover plate (5), the distance between two bushing plate pin holes on the bushing plate (7) and the processed cylinder of diesel engine rear end face; Cover plate (5) two ends places offers dowel hole respectively, and the distance that the distance between place, the two ends dowel hole and processed bell housing are installed on the clutch surface between two pin-and-holes is identical; Cooperate in the one end dowel hole to be provided with straight pin (1), cooperate in the other end dowel hole to be provided with chamfered edge pin (6); Main shaft (9) is provided with two guide pin bushings (8).
2. the drill jig that is used for cylinder of diesel engine and bell housing combination processing according to claim 1; It is characterized in that: the upper end of said latch (4) is a handle; Latch (4) lower end outside dimension is identical with dowel hole internal diameter size on the processed cylinder of diesel engine rear end face; Latch (4) middle part outside dimension is identical with cover plate pin hole internal diameter size on the cover plate (5), and bushing plate (7) is gone up drill jig pin hole internal diameter size and is slightly larger than outside dimension in the middle part of the latch (4).
3. the drill jig that is used for cylinder of diesel engine and bell housing combination processing according to claim 1; It is characterized in that: the center of said bushing plate (7) offers step-like spindle mounting hole; The upper end of said main shaft (9) is a flange end; The flange end of main shaft (9) cooperates with the step-like spindle mounting hole of bushing plate (7), and is connected with pin through bolt, and the lower end outside dimension of main shaft (9) is identical with the internal diameter of guide pin bushing (8).
4. the drill jig that is used for cylinder of diesel engine and bell housing combination processing according to claim 1, it is characterized in that: the upper end of every guide pin bushing (8) is provided with outer chimb, and the lower end external diameter of guide pin bushing (8) is identical with the crankshaft hole internal diameter of tested cylinder block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210166413 CN102672240B (en) | 2012-05-28 | 2012-05-28 | Drilling jig for combination machining of cylinder body of diesel engine and flywheel shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210166413 CN102672240B (en) | 2012-05-28 | 2012-05-28 | Drilling jig for combination machining of cylinder body of diesel engine and flywheel shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102672240A true CN102672240A (en) | 2012-09-19 |
| CN102672240B CN102672240B (en) | 2013-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210166413 Active CN102672240B (en) | 2012-05-28 | 2012-05-28 | Drilling jig for combination machining of cylinder body of diesel engine and flywheel shell |
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| CN (1) | CN102672240B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102897554A (en) * | 2012-09-24 | 2013-01-30 | 苏州五方光电科技有限公司 | Elastic clamp of automatic clamping machine |
| CN103586713A (en) * | 2013-11-06 | 2014-02-19 | 杭州九龙机械制造有限公司 | Special milling and drilling clamp and method for machining flywheel cover matched with numerical control rotary table |
| CN104259504A (en) * | 2014-09-28 | 2015-01-07 | 广州兴森快捷电路科技有限公司 | Positioning pin bolt and drilling method for warping board |
| CN104400073A (en) * | 2014-11-24 | 2015-03-11 | 苏州市福迈精密机械有限公司 | Cylinder punching clamp |
| CN105904251A (en) * | 2016-06-16 | 2016-08-31 | 沈阳飞机工业（集团）有限公司 | Reversible type multi-surface hole drilling fixture |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS57201107A (en) * | 1981-05-30 | 1982-12-09 | Nissan Motor Co Ltd | Processing method for cylinder bore of cylinder block for internal combustion engine |
| CN1884832A (en) * | 2005-06-24 | 2006-12-27 | 三星光州电子株式会社 | Cylinder assembly for compressor and assembling method thereof |
| CN101176928A (en) * | 2007-11-30 | 2008-05-14 | 上海诺玛液压***有限公司 | Drilling jig for unitized tooling circumferential and axial bore of electrohydraulic servo valve cover plate |
| CN201357321Y (en) * | 2008-12-18 | 2009-12-09 | 潍坊盛瑞动力机械科技有限公司 | Fixture for machining flywheel housing |
| CN102009212A (en) * | 2010-11-22 | 2011-04-13 | 杭州九龙机械制造有限公司 | Rotary fixture special for drilling automobile flywheel shell and machining method |
| CN202219337U (en) * | 2011-07-14 | 2012-05-16 | 天津起重设备有限公司 | Shell drilling tool of motor brake device |
-
2012
- 2012-05-28 CN CN 201210166413 patent/CN102672240B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57201107A (en) * | 1981-05-30 | 1982-12-09 | Nissan Motor Co Ltd | Processing method for cylinder bore of cylinder block for internal combustion engine |
| CN1884832A (en) * | 2005-06-24 | 2006-12-27 | 三星光州电子株式会社 | Cylinder assembly for compressor and assembling method thereof |
| CN101176928A (en) * | 2007-11-30 | 2008-05-14 | 上海诺玛液压***有限公司 | Drilling jig for unitized tooling circumferential and axial bore of electrohydraulic servo valve cover plate |
| CN201357321Y (en) * | 2008-12-18 | 2009-12-09 | 潍坊盛瑞动力机械科技有限公司 | Fixture for machining flywheel housing |
| CN102009212A (en) * | 2010-11-22 | 2011-04-13 | 杭州九龙机械制造有限公司 | Rotary fixture special for drilling automobile flywheel shell and machining method |
| CN202219337U (en) * | 2011-07-14 | 2012-05-16 | 天津起重设备有限公司 | Shell drilling tool of motor brake device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102897554A (en) * | 2012-09-24 | 2013-01-30 | 苏州五方光电科技有限公司 | Elastic clamp of automatic clamping machine |
| CN103586713A (en) * | 2013-11-06 | 2014-02-19 | 杭州九龙机械制造有限公司 | Special milling and drilling clamp and method for machining flywheel cover matched with numerical control rotary table |
| CN104259504A (en) * | 2014-09-28 | 2015-01-07 | 广州兴森快捷电路科技有限公司 | Positioning pin bolt and drilling method for warping board |
| CN104259504B (en) * | 2014-09-28 | 2016-09-21 | 广州兴森快捷电路科技有限公司 | A kind of boring method of warpage plate |
| CN104400073A (en) * | 2014-11-24 | 2015-03-11 | 苏州市福迈精密机械有限公司 | Cylinder punching clamp |
| CN105904251A (en) * | 2016-06-16 | 2016-08-31 | 沈阳飞机工业（集团）有限公司 | Reversible type multi-surface hole drilling fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102672240B (en) | 2013-10-23 |
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