CN202726544U - Fixture of rough milling cylinder body - Google Patents

Fixture of rough milling cylinder body Download PDF

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Publication number
CN202726544U
CN202726544U CN 201220369379 CN201220369379U CN202726544U CN 202726544 U CN202726544 U CN 202726544U CN 201220369379 CN201220369379 CN 201220369379 CN 201220369379 U CN201220369379 U CN 201220369379U CN 202726544 U CN202726544 U CN 202726544U
Authority
CN
China
Prior art keywords
cylinder block
activity orientation
positioning
pressing plate
hydraulic jack
Prior art date
Application number
CN 201220369379
Other languages
Chinese (zh)
Inventor
冯文源
覃国杰
Original Assignee
广西玉柴机器股份有限公司
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Filing date
Publication date
Application filed by 广西玉柴机器股份有限公司 filed Critical 广西玉柴机器股份有限公司
Priority to CN 201220369379 priority Critical patent/CN202726544U/en
Application granted granted Critical
Publication of CN202726544U publication Critical patent/CN202726544U/en

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Abstract

The utility model discloses a hydraulic fixture of the top and bottom surfaces of a rough milling cylinder body. The fixture of the rough milling cylinder body comprises a base, an oil cylinder supporting seat, a positioning support, a left side face positioning mechanism and a spindle semicircular-hole mobile positioning mechanism, wherein the oil cylinder supporting seat and the positioning support are symmetrically arranged at two ends of the base, and the left side face positioning mechanism and the spindle semicircular-hole mobile positioning mechanism are arranged on the base and the oil cylinder supporting seat and the positioning support. The fixture of the rough milling cylinder body has a simple and reasonable structure and is simple and convenient to operate. A spindle semicircular-hole is used as a positioning reference of the top and bottom surface working procedure of the rough milling cylinder body, so that positioning errors caused by non-uniform positioning references are reduced. Meanwhile, a mobile positioning block and a guide shaft are separately designed, so that the mobile positioning block is in favor of precise adjustment and replacement after abrasion.

Description

Rough mill the cylinder block anchor clamps
Technical field
The utility model relates to the cylinder block field of rough milling, particularly a kind of bottom surface, cylinder block top hydraulically operated fixture of rough milling.
Background technology
Cylinder of diesel engine is very important part among the numerous parts of diesel engine.In the technological design of cylinder block, rough mill the technological datum that the bottom surface, top often is designed to subsequent handling (such as bottom surface, finish-milling top, boring main bearing hole, camshaft hole, cylinder hole etc.), not only the requirement of position degree size and flatness is very high, and on the bottom surface, top the high pin-and-hole of required precision is arranged.Therefore bottom surface, the top milling process of cylinder block is often as initial process implementing, and stable its machining accuracy of assurance is very important.
Rough mill bottom surface, cylinder block top operation, normally finish at the Double-face horizontal milling machine.When limiting the free degree of vertical direction (parallel with the bottom surface, top), normally with two false bosses location on the cylinder block left surface, clamping cylinder body right flank.But because the design basis of bottom surface, top is spindle hole, so its weak point is positioning datum and design basis disunity, can produce position error.In addition, because block structure is complicated, the main shaft semicircle orifice is in the centre position at cylinder block two ends, only have towards the bottom surface direction opening is arranged, it is a frame-shaped construction, if as the positioning datum of rough milling bottom surface, cylinder block top operation, the layout difficulty of locating piece is larger, and affects easily the lifting of cylinder block with the main shaft semicircle orifice.
The utility model content
The utility model is in order to overcome defective in the above-mentioned prior art, to provide a kind of simple and reasonable, easy and simple to handle, pushing up the bottom surface hydraulically operated fixture with the main shaft semicircle orifice as the cylinder block of rough milling that the positioning datum of rough milling bottom surface, cylinder block top operation reduces position error.
For achieving the above object, provide a kind of bottom surface, cylinder block top hydraulically operated fixture of rough milling according to the utility model, comprise: base and be symmetricly set on oil cylinder supporting base, the positioning support at base two ends, and be arranged on left surface detent mechanism and main shaft semicircle orifice activity orientation mechanism on base, oil cylinder supporting base and the positioning support;
Main shaft semicircle orifice activity orientation mechanism comprises: horizontal activity orientation mechanism and cooperate the vertical backup mechanism of positioning cylinder body with horizontal activity orientation mechanism; Laterally the activity orientation block mechanism comprises: the first hydraulic jack, be fixed on the hydraulic cylinder piston rod top joint, be set in parallel in the axis of guide in the positioning support pilot hole with joint, be fixed on the activity orientation piece of axis of guide end, axis of guide pin is connected on the described joint, and drives by the first hydraulic jack; Vertically pushing away cylinder mechanism comprises: the second hydraulic jack of hook pressing plate and driving hook pressing plate, hook pressing plate one end longitudinally-moving is arranged on the positioning support, the hook end extend in the cylinder block camshaft hole, promotes cylinder block and push against cylinder block main shaft semicircle orifice to the activity orientation piece under the drive of the second hydraulic jack;
The left surface detent mechanism comprises: main left surface locating piece, auxiliary left side locating piece and right flank pressing plate, and the 3rd hydraulic jack that drives the right flank locating piece; Main left surface locating piece and auxiliary left side locating piece symmetry are installed in in-plane two ends on the base; The right flank pressing plate is arranged on the oil cylinder supporting base.
In the technique scheme, also be provided with jointing washer between the piston rod of joint and hydraulic jack.
In the technique scheme, arrange in the positioning support pilot hole of the axis of guide and also be provided with fairlead.
In the technique scheme, activity orientation piece front end side is the arc adaptive with main shaft semicircle orifice to be positioned.
In the technique scheme, be provided with the locating piece adjusting pad between activity orientation piece and the axis of guide.
Compared with prior art, the utlity model has following beneficial effect: it is simple and reasonable that this rough mills bottom surface, cylinder block top hydraulically operated fixture, easy and simple to handle, reduce the position error that the positioning datum disunity causes with the main shaft semicircle orifice as the positioning datum of rough milling bottom surface, cylinder block top operation; Simultaneously, the activity orientation piece separates design with the axis of guide, more is conducive to the replacing after the activity orientation piece carries out accurate adjustment and wearing and tearing.
Description of drawings
Fig. 1 is perspective view of rough milling bottom surface, cylinder block top hydraulically operated fixture of the present utility model;
Fig. 2 is that bottom surface, the cylinder block top hydraulically operated fixture of rough milling of the present utility model is overlooked the broken section structural representation of direction;
Fig. 3 is the main TV structure schematic diagram of rough milling bottom surface, cylinder block top hydraulically operated fixture of the present utility model;
Fig. 4 is the sectional structure schematic diagram of the A-A direction of Fig. 3;
Fig. 5 is the block structure schematic diagram that bottom surface, cylinder block top hydraulically operated fixture is treated clamping of rough milling of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing, a specific embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model is not subjected to the restriction of the specific embodiment.It will be appreciated that, mentioned in the following embodiment of the present utility model " on ", D score, " left side ", " right side ", " front " and " reverse side " be all take the direction shown in each figure as benchmark, these words that are used for limiting direction only are for convenience of explanation, do not represent the restriction to the concrete technical scheme of the utility model.
As depicted in figs. 1 and 2, bottom surface, the cylinder block top hydraulically operated fixture of rough milling of the present utility model is that original cylinder block of rough milling is pushed up the bottom surface anchor clamps change the main shaft semicircle orifice location of cylinder block front and back end into as two stationary positioned pieces of vertical direction (parallel with the bottom surface, top) location with two false bosses on the cylinder block left surface activity orientation mechanism, specifically comprise: base 1 and the oil cylinder supporting base 2 that is symmetricly set on these base 1 two ends, positioning support 3, and be symmetricly set on base 1 and oil cylinder supporting base 2, left surface detent mechanism on the positioning support 3 and main shaft semicircle orifice activity orientation mechanism.
Wherein, main shaft semicircle orifice activity orientation mechanism comprises: horizontal activity orientation mechanism and cooperate the vertical backup mechanism of positioning cylinder body with this horizontal activity orientation mechanism.
As shown in Figure 2, laterally activity orientation mechanism comprises: hydraulic jack 41, joint 42, the axis of guide 43, activity orientation piece 44 and pin 45.Hydraulic jack 41 laterally is installed on the fixing hole of oil cylinder supporting base 2, is used for driving activity orientation piece 44 positioning spindle semicircle orifices.
Joint 42 is column, activity is located in the first pilot hole of positioning support 3, left end (near cylinder block one end to be positioned) has the pin-and-hole of vertically offering, and right-hand member is screwed on the piston rod of hydraulic jack 41, make its under the driving of hydraulic jack 41 in the first pilot hole transversal stretching; The right-hand member of the first pilot hole is provided with stop collar 31; Also be provided with jointing washer 411 between the piston rod of joint 42 and hydraulic jack 41, its effect is the stroke of adjusting hydraulic jack 41.
Also offer second pilot hole parallel with the first pilot hole on the positioning support 3, be provided with fairlead 32 in the second pilot hole, the axis of guide 43 horizontal activities are located in the fairlead 32 of the second pilot hole, and be connected with the left end pin-and-hole of joint 42 by pin 45, activity orientation piece 44 is fixed on the left end of the axis of guide 43, be connected with hydraulic jack 41, activity orientation piece 44 front end sides are the arc adaptive with main shaft semicircle orifice to be positioned.Be provided with locating piece adjusting pad 441 between activity orientation piece 44 and the axis of guide 43, its effect is the positioning accuracy of adjusting activity orientation piece 44.Because the reciprocating motion of hydraulic jack 41 piston rods drives activity orientation piece 44 and moves forward and backward by joint 42, pin 45, the axis of guide 43.The effect of stop collar 31 is strokes of restriction hydraulic jack 41 piston rods.This detent mechanism is designed to movable structure, mainly is can realize workpiece (cylinder block) location when activity orientation piece 44 stretches out, can abdicate the space be convenient to work-handling when activity orientation piece 44 retreats.The separately design of activity orientation piece 44 and the axis of guide 43 is conducive to the precision adjustment of activity orientation piece 44 and the replacing after the wearing and tearing more.
Vertically backup mechanism comprises: the oil cylinder (not shown) of hook pressing plate 51 and this hook pressing plate 51 of driving, one end longitudinally-moving of this hook pressing plate 51 is arranged on the positioning support 3, the other end (hook end) extend in the cylinder block camshaft hole, during the positioning cylinder body, activity orientation piece 44 stretches into cylinder block main shaft semicircle orifice, hook pressing plate 51 promotes cylinder block and moves to activity orientation piece 44 under the drive of oil cylinder, realize accurately location so that activity orientation piece 44 pushes against the main shaft semicircle orifice.
Left surface detent mechanism symmetry is installed in base 1 two ends, specifically comprises: main left surface locating piece 61, auxiliary left side locating piece 62 and right flank pressing plate 63, and the oil cylinder that drives this right flank pressing plate 63.Main left surface locating piece 61 and auxiliary left side locating piece 62 symmetries are installed in in-plane two ends on the base 1, form a horizontal plane, the left surface that is used for positioning supports cylinder block 7, wherein, auxiliary left side locating piece 62 is in order to adapt to the cylinder block left surface location of different type of machines.Right flank pressing plate 63 is arranged on the oil cylinder supporting base 2.Left surface detent mechanism and cylinder block semicircle orifice activity orientation mechanism form a complete workpiece positioning system.
To shown in Figure 4, before workpiece was loaded onto anchor clamps, right flank clamp block 63 and hook pressing plate 51 were in releasing orientation, did not contact with workpiece (cylinder block) such as Fig. 2; Activity orientation piece 44 retreats into extreme position with hydraulic jack 41, so that workpiece (cylinder block) lifting.Can find out in conjunction with Fig. 5, treat that cylinder block 7 hangs on anchor clamps, the left surface of cylinder block 7 is fitted behind main left surface locating piece 61, the auxiliary left side locating piece 62, hydraulic jack 41 travels forward, and drives activity orientation piece 44 by joint 42, pin 45, the axis of guide 43 and arrives forward the position of locating with the main shaft semicircle orifice of cylinder block 7.Then, hook pressing plate 51 promotes cylinder block 7 under the drive of oil cylinder, makes main shaft semicircle hole wall and activity orientation piece 44 close contacts of cylinder block 7, thereby realizes reliable location.At last, four right flank pressing plates 63 at two ends, the left and right sides are from two ends clamping cylinder body right flank, and cylinder block 7 just can be pushed up the bottom surface Milling Process.After processing, right flank pressing plate 63 and hook pressing plate 51 unclamp, and hydraulic jack 41 moves backward, and it is mobile backward to drive activity orientation piece 44, avoid the main shaft semicircle orifice of cylinder block 7, and cylinder block 7 can hang anchor clamps smoothly.
It is simple and reasonable, easy and simple to handle that this rough mills bottom surface, cylinder block top hydraulically operated fixture, reduces the position error that the positioning datum disunity causes with the main shaft semicircle orifice as the positioning datum of rough milling bottom surface, cylinder block top operation; Simultaneously, the activity orientation piece separates design with the axis of guide, more is conducive to the replacing after the activity orientation piece carries out accurate adjustment and wearing and tearing.
More than disclosed only be several specific embodiment of the present utility model, still, the utility model is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.

Claims (5)

1. rough mill bottom surface, cylinder block top hydraulically operated fixture for one kind, it is characterized in that, comprise: base and be symmetricly set on oil cylinder supporting base, the positioning support at described base two ends, and be arranged on left surface detent mechanism and main shaft semicircle orifice activity orientation mechanism on described base, oil cylinder supporting base and the positioning support;
Described main shaft semicircle orifice activity orientation mechanism comprises: horizontal activity orientation mechanism and cooperate the vertical backup mechanism of positioning cylinder body with described horizontal activity orientation mechanism; Described horizontal activity orientation mechanism comprises: the first hydraulic jack, be fixed on described hydraulic cylinder piston rod top joint, be set in parallel in the axis of guide in the described positioning support pilot hole with described joint, be fixed on the activity orientation piece of described axis of guide end, described axis of guide pin is connected on the described joint, and drives by described the first hydraulic jack; Described vertical backup mechanism comprises: hook pressing plate and drive the second hydraulic jack of described hook pressing plate, described hook pressing plate one end longitudinally-moving is arranged on the positioning support, the hook end extend in the cylinder block camshaft hole, promotes cylinder block and push against cylinder block main shaft semicircle orifice to the activity orientation piece under the drive of described the second hydraulic jack;
Described left surface detent mechanism comprises: main left surface locating piece, auxiliary left side locating piece and right flank pressing plate, and the 3rd hydraulic jack that drives described right flank pressing plate; Described main left surface locating piece and auxiliary left side locating piece symmetry are installed in in-plane two ends on the base; Described right flank pressing plate is arranged on the described oil cylinder supporting base.
2. bottom surface, the cylinder block top hydraulically operated fixture of rough milling according to claim 1 is characterized in that: also be provided with jointing washer between the piston rod of described joint and hydraulic jack.
3. bottom surface, the cylinder block top hydraulically operated fixture of rough milling according to claim 1 is characterized in that: arrange in the described positioning support pilot hole of the described axis of guide and also be provided with fairlead.
4. the cylinder block of rough milling according to claim 1 is pushed up the bottom surface hydraulically operated fixture, and it is characterized in that: described activity orientation piece front end side is the arc adaptive with main shaft semicircle orifice to be positioned.
5. each described bottom surface, cylinder block top hydraulically operated fixture of rough milling in 4 according to claim 1 is characterized in that: be provided with the locating piece adjusting pad between described activity orientation piece and the axis of guide.
CN 201220369379 2012-07-30 2012-07-30 Fixture of rough milling cylinder body CN202726544U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220369379 CN202726544U (en) 2012-07-30 2012-07-30 Fixture of rough milling cylinder body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220369379 CN202726544U (en) 2012-07-30 2012-07-30 Fixture of rough milling cylinder body

Publications (1)

Publication Number Publication Date
CN202726544U true CN202726544U (en) 2013-02-13

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103567778A (en) * 2012-07-30 2014-02-12 广西玉柴机器股份有限公司 Cylinder block roughing fixture
CN103753271A (en) * 2013-12-31 2014-04-30 广西玉柴机器股份有限公司 Air cylinder clamp
CN104526422A (en) * 2014-12-24 2015-04-22 宁波中源欧佳渔具股份有限公司 Internal main cover lock screw fixture device
CN104723128A (en) * 2013-12-23 2015-06-24 上海国上机电科技有限公司 Device for machining small plane of left lock-hook of automobile fifth-wheel part
CN104759919A (en) * 2015-04-22 2015-07-08 如皋市非标轴承有限公司 Shaft head milling device and machining process thereof
CN105983867A (en) * 2015-01-28 2016-10-05 欧朋达科技(深圳)有限公司 Clamping fixture for milling circumferences
CN106975947A (en) * 2017-05-31 2017-07-25 宿州学院 A kind of grip device of reasonable in design
CN109108702A (en) * 2018-09-27 2019-01-01 杭州嘉沛科技有限公司 Catch the pneumatic milling clamper of pantograph carbon slipper assembly

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103567778A (en) * 2012-07-30 2014-02-12 广西玉柴机器股份有限公司 Cylinder block roughing fixture
CN103567778B (en) * 2012-07-30 2015-11-25 广西玉柴机器股份有限公司 Fixture
CN104723128A (en) * 2013-12-23 2015-06-24 上海国上机电科技有限公司 Device for machining small plane of left lock-hook of automobile fifth-wheel part
CN103753271A (en) * 2013-12-31 2014-04-30 广西玉柴机器股份有限公司 Air cylinder clamp
CN103753271B (en) * 2013-12-31 2016-04-13 广西玉柴机器股份有限公司 Air cylinder clamp
CN104526422A (en) * 2014-12-24 2015-04-22 宁波中源欧佳渔具股份有限公司 Internal main cover lock screw fixture device
CN105983867A (en) * 2015-01-28 2016-10-05 欧朋达科技(深圳)有限公司 Clamping fixture for milling circumferences
CN105983867B (en) * 2015-01-28 2018-07-27 欧朋达科技(深圳)有限公司 Milling circular clamping jig
CN104759919A (en) * 2015-04-22 2015-07-08 如皋市非标轴承有限公司 Shaft head milling device and machining process thereof
CN106975947A (en) * 2017-05-31 2017-07-25 宿州学院 A kind of grip device of reasonable in design
CN106975947B (en) * 2017-05-31 2019-01-29 宿州学院 A kind of grip device
CN109108702A (en) * 2018-09-27 2019-01-01 杭州嘉沛科技有限公司 Catch the pneumatic milling clamper of pantograph carbon slipper assembly

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C14 Grant of patent or utility model
GR01 Patent grant
C25 Abandonment of patent right or utility model to avoid double patenting
AV01 Patent right actively abandoned

Granted publication date: 20130213

Effective date of abandoning: 20151125