CN103192115B - Finishing machine of valve guide hole of V type cylinder - Google Patents
Finishing machine of valve guide hole of V type cylinder Download PDFInfo
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- CN103192115B CN103192115B CN201310105579.3A CN201310105579A CN103192115B CN 103192115 B CN103192115 B CN 103192115B CN 201310105579 A CN201310105579 A CN 201310105579A CN 103192115 B CN103192115 B CN 103192115B
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Abstract
The invention relates to a finishing machine of a valve guide hole of a V type cylinder. The finishing machine of the valve guide hole of the V type cylinder comprises a machine bed, a fixture assembly, a numerical control moving table, a moving table base, a power head, a machine bed protection member, a cooling table, a magnetic scraping chip conveyor, an ultrafilter and an oil cooling machine, wherein the fixture assembly is perpendicularly fixed at one end of the machine bed, the numerical control moving table is mounted on the moving table base, the moving table base is fixedly mounted behind the fixture assembly on the machine bed through a wedge liner, the inclination angle of the wedge liner is identical with that of a machining axis of the valve guide hole of the V type cylinder, the power head is mounted on a moving saddle surface of the numerical control moving table, and the machine bed protection member covers the machine bed. The finishing machine of the valve guide hole of the V type cylinder solves the problems of the interference of a main shaft end of the power head to a fixture or the wall of a cylinder hole of the cylinder and long overhanging of a cutting main shaft of the power head and a cutter, significantly enhances the stiffness of the mechanism, and ensures actual machining accuracy.
Description
Technical field
The present invention relates to a kind of lathe, be specifically related to a kind of V-type cylinder body valve guide hole finishing machine.
Background technology
Minitype cylinder body is the major part in a kind of Novel small-sized general gasoline engines, for reduced volume as far as possible, reduce costs, reduce link to be controlled, this kind of minitype cylinder body adopts composite design, divides two body fabricated constructions to combine together formula structure in the reasonable scope by traditional cylinder head and cylinder body.Cylinder end valve conduit mechanism is positioned at cylinder bore deepest inside, this just increases difficulty of processing further, and caused by function and structure feature, inlet and exhaust valve guide hole axis all relatively global design benchmark forms space three-dimensional angle, namely needs the problem solving two angles in space.
A cylinder end valve guide hole machining sketch chart as shown in Figure 1, D1 is inlet valve aperture, and D2 is exhaust valve aperture, and in general the relative exhaust valve in inlet valve aperture more greatly, and D3H7 is that inlet and exhaust valve guide hole diameter (is generally
left and right), L is inlet and exhaust valve guide hole working depth (being generally 70-100mm), R1 is inlet valve guide hole angle (22-30 degree), R2 is exhaust valve guide orifice angle (being generally 24-34 degree), the circularity of guide hole and cylindricity require as 0.004mm, and the axiality of guide hole and gas inlet outlet valve base collar aperture requires high.No matter being processing gas inlet aperture of door or processing exhaust valve port, be all the two-dimentional inclined hole angled with positioning reference plane, and locating surface is at inlet portion.
The general structure form of processing cylinder head valve guide hole special equipment is horizontal processing, Special compound tool, stationary fixture mostly, fixture locating surface deflection corresponding angle, and rigidity unit head is relatively average to be put, and linearly slide unit has moved processing; Common cylinder body valve guide hole finishing machine as shown in Figure 2, inevitably there is cutting power head spindle end and the fixture even cylinder body cylinder holes wall problem of interfering in this structure.And limit due to housing structure, cutting power head main shaft and cutter all unavoidably overhang long, weaken system rigidity to a certain extent, affect actual machining accuracy.And valve guide hole is elongated hole, require that machining accuracy is high, it is not smooth to there is chip removal in deep hole machining, and cooling fluid is not easy spray and arrives, and the inner bore surface roughness processed is poor, and grows hole, existing whistle phenomenon, more difficult processing.For these reasons, adopt traditional machining tool special equipment processing valve guide hole cannot reach drawing requirement at all.
And valve guide hole fine finishining can only adopt on jig boring machine or machining center, need to make special tooling and just can complete processing, costly, production efficiency is low for this mode of production, and machining accuracy is unstable, and qualification rate is low.Caused by price and cost dual-pressure, each automobile, motorcycle, internal combustion engine, gasoline engine producer all have employed in allowed band, for reducing costs as much as possible, the compression all simultaneously of each producer reduces core component volume, reduces blank consume, reduces link to be controlled etc.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of V-type cylinder body valve guide hole finishing machine, overcome existing horizontal processing cylinder body valve guide hole lathe and adopt stationary fixture, by fixture locating surface deflection corresponding angle, put by rigidity unit head is relatively average again, linearly slide unit has moved processing, cause cutting power head spindle end and fixture even cylinder body cylinder holes wall interfere, and cutting power head main shaft and cutter all unavoidably overhang long, impair system rigidity, affects the defect of actual machining accuracy.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of V-type cylinder body valve guide hole finishing machine, comprise lathe bed, fixture assembly, nc sliding table, slide unit base, unit head, lathe protect, cooling stations, magnetic scraper-type Scrap-removing machine, accurate filter and oil temperature cooling machine
Described fixture assembly is vertically fixed on one end of described lathe bed; Described nc sliding table is arranged on described slide unit base; Described slide unit base is fixedly mounted on the described lathe bed on rear side of described fixture assembly by inclined sizing block, and it is identical that angle of inclination and the described V-type cylinder body valve guide hole of described inclined sizing block process axis angle of inclination; Described unit head is arranged on described nc sliding table; Described lathe protect is located on described lathe bed; Described cooling stations, described magnetic scraper-type Scrap-removing machine, accurate filter and oil temperature cooling machine is installed in the rear side of described lathe bed.
The invention has the beneficial effects as follows: the one end being vertically fixed on described lathe bed owing to have employed fixture assembly, and nc sliding table is fixed on lathe bed by slide unit base by inclined sizing block, it is identical that angle of inclination and the described V-type cylinder body valve guide hole of described inclined sizing block process axis angle of inclination, this structure solves problem and cutting power head main shaft that cutting power head spindle end and fixture or cylinder body cylinder holes wall interfere mutually and cutter and to overhang long problem, significantly enhance system rigidity, ensure actual machining accuracy.
Wherein, described fixture assembly is vertically fixed on one end of described lathe bed; Namely the fixture locating surface of fixture assembly is perpendicular to ground placing flat; Described unit head is equivalent to fixture locating surface deflection certain angle, the angle of inclination of described deflection certain angle and described inclined sizing block.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described fixture assembly comprises the first fixture and the second fixture, and described first fixture and the second fixture are arranged on one end of described lathe bed side by side, and described first fixture and described second fixture are specular.
The beneficial effect of above-mentioned further scheme is adopted to be: because the 1# cylinder body in same group of gasoline engine and 2# cylinder body are two kinds of parts of enantiotropy; Therefore, be provided with the first fixture of specular and described second fixture in one end of lathe bed and can be implemented on same a machine tool and realize processing the compatibility of this two kinds of parts, save time, save operation.
Further, described first fixture comprises clamp body, chilled distribution device, jig plate, fixture location-plate, clamping cylinder device, position detecting mechanism,
Described chilled distribution device is arranged on the upper end of described clamp body; Described jig plate is arranged on described clamp body along described clamp body vertical direction; Described fixture location-plate is arranged on the side of described jig plate; Described clamping cylinder device is arranged on described jig plate;
Described fixture location-plate is provided with guide rail, and with corresponding keys slot fit on described fixture location-plate and described jig plate; Described clamp body is provided with jig plate guiding mechanism, the edge contact outside of described jig plate guiding mechanism and described jig plate; The fixture location-plate at described guide rail two ends is provided with top offset block and bottom offset block; The upper and lower of described jig plate is respectively arranged with fixture location-plate upper limit position block and fixture location-plate lower position block; The top of described fixture location-plate and middle part are respectively arranged with the first identification block and the second identification block; Described position detecting mechanism is arranged on described clamp body.
The beneficial effect of above-mentioned further scheme is adopted to be: owing to being provided with guide rail on fixture location-plate, and have the keyway coordinating guide rail movement, again by workpiece that the limited block on jig plate and identification block are compatible different, logical position detecting mechanism controls movable signal simultaneously, thus carries out procedure identification confirmation.
Further, also comprise pre-clamping device, guide plate and air-proof block, described pre-clamping device, guide plate and air-proof block are installed on described fixture location-plate.Wherein said guide plate can be L-type, and concrete shape can confirm according to the profile of workpiece; Pre-clamping device comprises pre-fishbolt, reference seat and pressure pin, and pre-fishbolt is fixed on fixture location-plate, and supporting plate adopts screw to be fixed on the upper end of described pre-fishbolt; Reference seat is bolted on described jig plate by two M6; Air-proof block is arranged on described fixture location-plate by the mode of plane and two pits, utilizes compressed air to detect the adherence situation of workpiece.
Further, described position detecting mechanism comprises signal protection, the protection of lower signal, Connection Block, support bar, upper beacon, lower beacon and upper signaling switch and lower signaling switch, and described upper signal protection, the protection of lower signal are installed in the side of described clamp body; Described Connection Block is fixed on the side of described fixture location-plate; Described support bar one end is counter to be contained on described Connection Block and through the signal protection on described of described clamp body, the protection of lower signal; Described upper beacon is arranged on the upside of the described support bar other end, and described lower beacon is arranged on the downside of the described support bar other end; Described upper signaling switch is arranged in described upper signal protection, and described lower signaling switch is arranged in described lower signal protection; Described upper beacon and lower beacon upper and lower displacement are 2 millimeters.
The beneficial effect of above-mentioned further scheme is adopted to be: described support bar can be able to be driven to move up and down according to the movement of fixture location-plate, by the upper and lower signal of the support bar other end live with the Contact recognition fixture location-plate of described upper and lower signaling switch upper or under, and then judge the kind of processing work.
Further, described clamping cylinder device comprises oil cylinder seat, oil circuit, oil cylinder, pressing plate, convex surface block, concave surface block and connecting plate, and described oil cylinder seat is fixed on described jig plate; Described oil circuit is laid on jig plate and is communicated with described oil cylinder through described oil cylinder seat; Described oil cylinder is fixed on described oil cylinder seat; Described pressing plate one end is fixed by bolt and described oil cylinder front end; The side of the described pressing plate other end is provided with the convex surface block and concave surface block that match; Described connecting plate is positioned at the opposite side of described concave surface block; Described in screw bolt passes, connecting plate bottom, described concave surface block, described convex surface block and described pressing plate, be fixed together by nut; Described connecting plate top is provided with spacer pin, and described spacer pin is connected with described pressing plate.
Further, described fixture location-plate is 2 millimeters along guide rail upper and lower displacement.
The beneficial effect of above-mentioned further scheme is adopted to be: can compatible clamping 1# and 2# cylinder body, editing objective is the exhaust valve guide hole of 1# cylinder body and the inlet valve guide hole of 2# cylinder body, adjustment location-plate position, solves the problem of design basis along each 1mm of cylinder holes axis left-right deviation.
Further, described clamp body lower end is fixed with adjusting pad by screw and pin.
Adopt the beneficial effect of above-mentioned further scheme to be: when fixture can be arranged on lathe, the height of adjustment diverse location, accurately temperature is stable to ensure chucking position.
Further, also comprise the recognition detection structure of cutter, the recognition detection vibrational power flow of described cutter is on the saddle face of described nc sliding table.
The beneficial effect of above-mentioned further scheme is adopted to be: the kind that accurately can identify institute's mounting cutter, guarantee processing content and the system program three one_to_one corresponding of the part of the fixture institute clamping of tool category and whole set equipment, carry out effectively identifying control reliably, accomplish reliable accurate machining.
Further, the recognition detection structure of described cutter comprises fixed leg, upper contiguous block, lower connecting block, adjusting seat, airtight seat, the airtight sensor of compressed air and unit head, and described fixed leg is horizontal fixed leg; Described upper contiguous block is connected by the top of key with described horizontal fixed leg one end; Described lower connecting block is connected by the bottom of key with one end of described horizontal fixed leg; Described adjusting seat is connected with described upper contiguous block side; Described airtight seat is fixed in described adjusting seat; The airtight sensor of described compressed air is arranged on described airtight seat; The described fixed leg other end and described unit head hinged.
The beneficial effect of above-mentioned further scheme is adopted to be: owing to being provided with the airtight sensor of compressed air, namely the position of exhaust valve knife handle can be detected by the airtight sensor of compressed air, and then accurately identify the kind of institute's mounting cutter, guarantee processing content and the system program three one_to_one corresponding of the part of the fixture institute clamping of tool category and whole set equipment, carry out effectively identifying control reliably, realize accurate machining.
Further, described unit head is provided with exhaust valve knife handle, it is corresponding that described exhaust valve knife handle position and the airtight sensor of described compressed air detect position.
Further, described unit head is provided with exhaust valve knife handle or inlet valve knife handle, the length of described exhaust valve knife handle is greater than inlet valve knife handle length 10 millimeters; Described inlet valve knife handle position is less than the airtight sensor of described compressed air and detects 10 millimeters, position, and the airtight sensor detecting position of described compressed air is set to exhaust valve knife handle position.
The beneficial effect of above-mentioned further scheme is adopted to be: to be arranged to be less than 10 millimeters, exhaust valve knife handle position in described inlet valve knife handle position, and the length of exhaust valve knife handle is greater than inlet valve knife handle length 10 millimeters, can effectively detect exhaust valve knife handle effective, and inlet valve knife handle is invalid, and then accurately identify tool category.
Can certainly according to the shape of different knife handle, the position arranging the detection of compressed air airtight sensor is different knife handle, such as the shape of inlet valve knife handle is arranged to be shorter than exhaust valve knife handle 10 millimeters, the airtight sensor detecting position of compressed air can be set and be set to inlet valve knife handle, namely inlet valve knife handle is detected effective, and exhaust valve knife handle is invalid, thus realize accurately identifying cutter.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of V-type cylinder body of the present invention valve guide hole finishing machine processing object;
Fig. 2 is cylinder body valve guide hole finishing machine structural representation common in prior art;
Fig. 3 is a kind of V-type cylinder body of the present invention valve guide hole finishing machine structural representation;
Fig. 4 is the first fixture front view in a kind of V-type cylinder body of the present invention valve guide hole finishing machine;
Fig. 5 is clamp body and the chilled distribution apparatus structure schematic diagram of the first fixture in a kind of V-type cylinder body of the present invention valve guide hole finishing machine;
Fig. 6 is the jig plate of the first fixture in a kind of V-type cylinder body of the present invention valve guide hole finishing machine, fixture location-plate and upper mounting component structural representation thereof;
Fig. 7 is position detecting mechanism and the clamp body mounting structure schematic diagram of the first fixture in a kind of V-type cylinder body of the present invention valve guide hole finishing machine;
Fig. 8 is the side view of Fig. 7;
Fig. 9 is position detecting mechanism and the clamp body mounting structure structure for amplifying schematic diagram of the first fixture in a kind of V-type cylinder body of the present invention valve guide hole finishing machine;
Figure 10 is the pre-clamping device mounting structure schematic diagram of the first fixture in a kind of V-type of the present invention cylinder body valve guide hole finishing machine;
Figure 11 is the guide plate of the first fixture in a kind of V-type of the present invention cylinder body valve guide hole finishing machine and airtight fast mounting structure schematic diagram;
Figure 12 is the recognition detection structural representation in a kind of V-type cylinder body of the present invention valve guide hole finishing machine.
In accompanying drawing, the list of parts representated by each label is as follows:
1, lathe bed, 2, fixture assembly, 3, nc sliding table, 4, unit head, 5, lathe protect, 6, cooling stations, 7, magnetic scraper-type Scrap-removing machine, 8, accurate filter, 9, oil temperature cooler, 10, electric appliance control box, 11, inclined sizing block, 12, mist of oil recover, 13, tri coloured lantern, 14, illuminating lamp, 15, airtight sensor, 16, pneumatic door of singly turning down the bed, 17, operation of electrical appliances case, 18, material bracket, 19, tool recognizing detection architecture, 20, slide unit base.
Detailed description of the invention
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 3, a kind of V-type cylinder body valve guide hole finishing machine, comprise lathe bed 1, fixture assembly 2, nc sliding table 3, slide unit base 20, unit head 4, lathe protect 5, cooling stations 6, magnetic scraper-type Scrap-removing machine 7, accurate filter 8 and oil temperature cooling machine 9
Described fixture assembly 2 is vertically fixed on one end of described lathe bed 1; Described nc sliding table 3 is arranged on described slide unit base 20; Described slide unit base 20 is fixedly mounted on the described lathe bed 1 on rear side of described fixture assembly by inclined sizing block 11, it is identical that angle of inclination and the described V-type cylinder body valve guide hole of described inclined sizing block 11 process axis angle of inclination, namely described unit head 4 is equivalent to fixture locating surface deflection certain angle, the angle of inclination of described deflection certain angle and described inclined sizing block 11; Described unit head 4 is arranged on the saddle face of described nc sliding table 3; Described lathe protect 5 is located on described lathe bed 1; Described cooling stations 6, described magnetic scraper-type Scrap-removing machine 7, accurate filter 8 and oil temperature cooling machine 9 is installed in the rear side of described lathe bed.
Wherein said lathe bed 1 can be large planar monolithic lathe bed, mainly as the prop carrier of other parts of lathe, generally adjusts level by lower margin; Described fixture assembly 2 is vertically fixed on one end of described lathe bed 1, and its workpiece level places processing, and namely the fixture locating surface of fixture assembly is perpendicular to ground placing flat, and should try one's best near the machine tool door of front end, workpiece for convenience detach; Wherein machine tool door is opened on described lathe protect; Nc sliding table can be the hard rail slide unit of numerical control 4050, has high accuracy, high rigidity, is active in one's movements, facilitates the advantages such as adjustment; Described unit head its be fixed on the saddle face of described nc sliding table, can internally cooled-spindle formula driven by servomotor be passed through, realize axial F.F., the action such as work is entered, rewind, stop; Lathe protect can effectively prevent from cutting and cooling fluid splashes, and is configured with mist of oil recover and purifies air; Described lathe cooling stations has three-stage filtration, level detection, oil slick recovery function; Described magnetic scraper-type Scrap-removing machine can realize discharging aluminium bits also can discharge iron filings; Described accurate filter can for cutter provide comparatively pure in cold oil; Described have cooler can real-time control system oil temperature.
Lathe of the present invention also comprises electric appliance control box 10, mist of oil recover 12, tri coloured lantern 13, illuminating lamp 14, airtight sensor 15, pneumatic door 16 of singly turning down the bed, and 17, operation of electrical appliances case, 18, material bracket, described electric appliance control box 10 is arranged on
In such scheme, fixture assembly is vertically fixed on one end of described lathe bed, and the saddle face of nc sliding table is fixed on lathe bed by slide unit base by inclined sizing block, it is identical that angle of inclination and the described V-type cylinder body valve guide hole of described inclined sizing block process axis angle of inclination, this structure solves problem and cutting power head main shaft that cutting power head spindle end and fixture or cylinder body cylinder holes wall interfere mutually and cutter and to overhang long problem, significantly enhance system rigidity, ensure the precision in actual processing parts aperture.
Preferably, the second embodiment of the present invention is compared with above-described embodiment, described fixture assembly comprises the first fixture and the second fixture, and described first fixture and the second fixture are arranged on one end of described lathe bed side by side, and described first fixture and described second fixture are specular.Because the first fixture and described second fixture that are provided with specular in one end of lathe bed can realize on same a machine tool the compatibility processing due to the 1# cylinder body in same group of gasoline engine and 2# cylinder body being two kinds of parts of enantiotropy simultaneously, save time, save operation; And two stations can realize controlling separately and operation, be independent of each other, program interlocking safety is reliable.
Preferably, as shown in Fig. 4 to Fig. 9, the third embodiment of the present invention is compared with above-mentioned the second embodiment, described first fixture comprises clamp body 2-1, chilled distribution device 2-2, jig plate 2-4, fixture location-plate 2-5, clamping cylinder device 2-16, position detecting mechanism 14, wherein said clamp body 1 is under the condition meeting pedestal function, rigid design, and be convenient to chip removal.
Described chilled distribution device 2-2 is arranged on the upper end of described clamp body 2-1, distributes cooling fluid, complete the effective flushing to the locating surface on fixture location-plate 2-5 by chilled distribution device 2-2; Described jig plate 2-4 is arranged on described clamp body 2-1 along described clamp body 2-1 vertical direction; Described fixture location-plate 2-5 is arranged on the side of described jig plate 2-4, described fixture location-plate 2-5 is 2 millimeters along guide rail upper and lower displacement, can compatible clamping 1# and 2# cylinder body, editing objective is the exhaust valve guide hole of 1# cylinder body and the inlet valve guide hole of 2# cylinder body, adjustment location-plate position, solves the problem of design basis along each 1mm of cylinder holes axis left-right deviation; Described clamping cylinder device 2-16 is arranged on described jig plate;
Described fixture location-plate 2-5 is provided with guide rail 2-12, and with corresponding keys slot fit on described fixture location-plate 2-5 and described jig plate 2-4; Described clamp body 2-1 is provided with jig plate guiding mechanism 2-3, the edge contact outside of described jig plate guiding mechanism 2-3 and described jig plate 2-4, it can be each nut, evenly be arranged on the two ends of each side of described jig plate, by nut withstand with the edge of described jig plate 2-4 outside, and then fine motion adjustment jig plate position.The fixture location-plate 2-5 at described guide rail 2-12 two ends is provided with top offset block and bottom offset block; The upper and lower of described jig plate 2-4 is respectively arranged with fixture location-plate upper limit position block 2-8 and fixture location-plate lower position block 2-9; The top of described fixture location-plate 2-5 and middle part (closing on workpiece installing hole place on location-plate) are respectively arranged with the first identification block 10 and the second identification block 11; Described position detecting mechanism 2-14 is arranged on described clamp body 2-1.
This embodiment owing to being provided with guide rail on fixture location-plate, and have the keyway coordinating guide rail movement, again by the workpiece that the limited block on jig plate is compatible different with identification block, logical position detecting mechanism controls movable signal simultaneously, thus carries out procedure identification confirmation.
Wherein said jig plate guiding mechanism can for being arranged on the M6 screw on the clamp body of described jig plate edge.By the position up and down of adjustment M6 screw adjustment jig plate.
Preferably, as shown in Fig. 4, Figure 10, Figure 11, the 4th kind of embodiment of the present invention is compared with the third embodiment above-mentioned, also comprise pre-clamping device 2-17, guide plate 2-15 and air-proof block 2-13, described pre-clamping device 2-17, guide plate 2-15 and air-proof block 2-13 are installed on described fixture location-plate 2-5.Wherein said guide plate 2-15 can be L-type, and concrete shape can confirm according to the profile of workpiece; As shown in Figure 10, pre-clamping device 2-17 comprises pre-fishbolt 2-17-3, reference seat 2-17-2 and supporting plate 2-17-1, and pre-fishbolt 2-17-3 is fixed on fixture location-plate 2-5, and supporting plate 2-17-1 adopts screw to be fixed on the upper end of described pre-fishbolt; Reference seat is bolted on described jig plate by two M6; Air-proof block is arranged on described fixture location-plate by the mode of plane and two pits, utilizes compressed air to detect the adherence situation of workpiece.
Preferably, as shown in Figure 7,5th kind of embodiment of the present invention is compared with above-described embodiment, described position detecting mechanism comprises signal protection 2-14-7, the protection of lower signal 2-14-8, Connection Block 2-14-1, support bar 2-14-2, upper beacon 2-14-3, lower beacon 2-14-4 and upper signaling switch 2-14-5 and lower signaling switch 2-14-6, and described upper signal protection 2-14-7, lower signal protection 2-14-8 are installed in the side of described clamp body 2-1; Described Connection Block 2-14-1 is fixed on the side of described fixture location-plate 2-5; Described support bar 2-14-2 one end is counter to be contained on described Connection Block 2-14-1 and through described clamp body 2-1 on described signal protection 2-14-7, lower signal protection 2-14-8; Described upper beacon 2-14-3 is arranged on the upside of the described support bar 2-14-2 other end, and described lower beacon 2-14-4 is arranged on the downside of the described support bar 2-14-2 other end; Described upper signaling switch 2-14-5 is arranged on described upper signal protection 2-14-7, and described lower signaling switch 2-14-6 is arranged on described lower signal protection 2-14-8; Described upper beacon 2-14-3 and lower beacon 2-14-4 upper and lower displacement are 2 millimeters.The program can realize described support bar can being driven to move up and down according to the movement of fixture location-plate, by the upper and lower signal of the support bar other end live with the Contact recognition fixture location-plate of described upper and lower signaling switch upper or under, and then judge the kind of processing work.
As shown in Figure 8,6th kind of embodiment of the present invention is compared with above-described embodiment, described clamping cylinder device 2-16 comprises oil cylinder seat 2-16-2, oil circuit 2-16-8, oil cylinder 2-16-1, pressing plate 2-16-3, convex surface block 2-16-5, concave surface block 2-16-6 and connecting plate 2-16-7, and described oil cylinder seat 2-16-2 is fixed on described jig plate 2-4; Described oil circuit 2-16-8 is laid on jig plate 2-4 and is communicated with described oil cylinder 2-16-1 through described oil cylinder seat 2-16-2; Described oil cylinder 2-16-1 is fixed on described oil cylinder seat 2-16-2; Described pressing plate 2-16-3 one end is fixed by bolt and described oil cylinder 2-16-1 front end; The side of the described pressing plate 2-16-3 other end is provided with the convex surface block 2-16-5 and concave surface block 2-16-6 that match; Described connecting plate 2-16-7 is positioned at the opposite side of described concave surface block 2-16-6; Bolt 2-16-10 through described connecting plate bottom, described concave surface block, described convex surface block and described pressing plate, is fixed together by nut 2-16-4 successively; Described connecting plate 2-16-7 top is provided with spacer pin 2-16-9, and described spacer pin 2-16-9 is connected with described pressing plate 2-16-3.Described oil cylinder can adopt 50mm cylinder diameter swinging hydraulic jack, utilizes spheric washer floating clamping mechanism, ensures effectively steadily clamping.
Described clamp body lower end is fixed with adjusting pad by screw and pin.When fixture can be arranged on lathe, the height of adjustment diverse location, accurately temperature is stable to ensure chucking position.
As shown in figure 12, also comprise tool recognizing detection architecture 19, described tool recognizing detection architecture 19 is arranged on the saddle face of described nc sliding table 3.Described tool recognizing detection architecture 19 comprises fixed leg 19-6, upper contiguous block 19-4, lower connecting block 19-5, adjusting seat 19-2, airtight seat 19-1 and the airtight sensor 19-9 of compressed air, and described fixed leg 19-6 is horizontal fixed leg; Described upper contiguous block 19-4 is connected by the top of key with described horizontal fixed leg 19-6 one end; Described lower connecting block 19-5 is connected by the bottom of key with one end of described horizontal fixed leg 19-6; Described adjusting seat 19-2 is connected with described upper contiguous block 19-4 side; Described airtight seat 19-1 is fixed on described adjusting seat 19-2; Described compressed air airtight sensor 19-9 is arranged on described airtight seat 19-1; The described fixed leg 19-6 other end and described unit head 4 hinged.Namely the position of exhaust valve knife handle can be detected by the airtight sensor of compressed air, and then accurately identify the kind of institute's mounting cutter, guarantee processing content and the system program three one_to_one corresponding of the part of the fixture institute clamping of tool category and whole set equipment, carry out effectively identifying control reliably, realize accurate machining.
Described unit head 4 is provided with exhaust valve knife handle, and it is corresponding that described exhaust valve knife handle position and the airtight sensor of described compressed air detect position.
Described unit head 4 is provided with exhaust valve knife handle or inlet valve knife handle, the length of described exhaust valve knife handle is greater than inlet valve knife handle length 10 millimeters; Described inlet valve knife handle position is less than the airtight sensor of described compressed air and detects 10 millimeters, position, and the airtight sensor detecting position of described compressed air is set to exhaust valve knife handle position, and namely detect exhaust valve knife handle effective, then inlet valve handle of a knife is invalid.
Can certainly according to the shape of the different knife handle of design, the position that the airtight sensor of compressed air detects is set, such as the shape of inlet valve knife handle is arranged to be greater than exhaust valve knife handle 10 millimeters, the airtight sensor detecting position of compressed air can be set and be set to inlet valve knife handle, namely inlet valve knife handle is detected effective, and exhaust valve knife handle is invalid, thus realize accurately identifying cutter.
The present invention for processing content, the machining angle ensured by inclined sizing block, and the adjustment parallels of fixture lower end can be adopted to adjust; The angle that secondary precision is lower, is detected by detection body and plays table, carried out putting thus realizing by clamp body corresponding angle.
During machine tooling 1# cylinder body, side station clamp processing exhaust valve valve guide hole, fixture machine detects, and exhaust valve cutter installed by corresponding unit head, and the airtight detection of tool category is effective; The right station clamp processing gas inlet door, fixture machine detects, and corresponding unit head is installed into valve cutter, and the airtight detection of tool category was lost efficacy.
During machine tooling 2# cylinder body, opposite side station clamp processing gas inlet door guide hole, fixture machine detects, and corresponding unit head is installed into valve cutter, and the airtight detection of tool category was lost efficacy; The right station clamp processing exhaust valve, fixture machine detects, and exhaust valve cutter installed by corresponding unit head, and the airtight detection of tool category is effective.
Electric program interlocking, after only having fixture and unit head detection to confirm that processing machine and cutter are all accurately, can process.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a V-type cylinder body valve guide hole finishing machine, is characterized in that, comprises lathe bed, fixture assembly, nc sliding table, slide unit base, unit head, lathe protect, cooling stations, magnetic scraper-type Scrap-removing machine, accurate filter and oil temperature cooling machine,
Described fixture assembly is vertically fixed on one end of described lathe bed; Described nc sliding table is arranged on described slide unit base; Described slide unit base is fixedly mounted on the described lathe bed on rear side of described fixture assembly by inclined sizing block, and it is identical that angle of inclination and the described V-type cylinder body valve guide hole of described inclined sizing block process axis angle of inclination; Described unit head is arranged on described nc sliding table; Described lathe protect is located on described lathe bed; Described cooling stations, described magnetic scraper-type Scrap-removing machine, accurate filter and oil temperature cooling machine is installed in the rear side of described lathe bed;
Described fixture assembly comprises the first fixture and the second fixture, and described first fixture and the second fixture are arranged on one end of described lathe bed side by side, and described first fixture and described second fixture are specular;
Described first fixture comprises clamp body, chilled distribution device, jig plate, fixture location-plate, clamping cylinder device, position detecting mechanism,
Described chilled distribution device is arranged on the upper end of described clamp body; Described jig plate is arranged on described clamp body along described clamp body vertical direction; Described fixture location-plate is arranged on the side of described jig plate; Described clamping cylinder device is arranged on described jig plate;
Described fixture location-plate is provided with guide rail, and with corresponding keys slot fit on described fixture location-plate and described jig plate; Described clamp body is provided with jig plate guiding mechanism, the edge contact outside of described jig plate guiding mechanism and described jig plate; The fixture location-plate at described guide rail two ends is provided with top offset block and bottom offset block; The upper and lower of described jig plate is respectively arranged with fixture location-plate upper limit position block and fixture location-plate lower position block; The top of described fixture location-plate and middle part are respectively arranged with the first identification block and the second identification block; Described position detecting mechanism is arranged on described clamp body;
Described position detecting mechanism comprises signal protection, the protection of lower signal, Connection Block, support bar, upper beacon, lower beacon and upper signaling switch and lower signaling switch, and described upper signal protection, the protection of lower signal are installed in the side of described clamp body; Described Connection Block is fixed on the side of described fixture location-plate; Described support bar one end is counter to be contained on described Connection Block and through the signal protection on described of described clamp body, the protection of lower signal; Described upper beacon is arranged on the upside of the described support bar other end, and described lower beacon is arranged on the downside of the described support bar other end; Described upper signaling switch is arranged in described upper signal protection, and described lower signaling switch is arranged in described lower signal protection; Described upper beacon and lower beacon upper and lower displacement are 2 millimeters;
Described clamping cylinder device comprises oil cylinder seat, oil circuit, oil cylinder, pressing plate, convex surface block, concave surface block and connecting plate, and described oil cylinder seat is fixed on described jig plate; Described oil circuit is laid on jig plate and is communicated with described oil cylinder through described oil cylinder seat; Described oil cylinder is fixed on described oil cylinder seat; Described pressing plate one end is fixed by bolt and described oil cylinder front end; The side of the described pressing plate other end is provided with the convex surface block and concave surface block that match; Described connecting plate is positioned at the opposite side of described concave surface block; Described in screw bolt passes, connecting plate bottom, described concave surface block, described convex surface block and described pressing plate, be fixed together by nut; Described connecting plate top is provided with spacer pin, and described spacer pin is connected with described pressing plate.
2. a kind of V-type cylinder body valve guide hole finishing machine according to claim 1, it is characterized in that, also comprise pre-clamping device, guide plate and air-proof block, described pre-clamping device, guide plate and air-proof block are installed on described fixture location-plate.
3. a kind of V-type cylinder body valve guide hole finishing machine according to claim 1, it is characterized in that, described fixture location-plate is 2 millimeters along guide rail upper and lower displacement.
4. a kind of V-type cylinder body valve guide hole finishing machine according to claim 1, it is characterized in that, also comprise the recognition detection structure of cutter, the recognition detection vibrational power flow of described cutter is on the saddle face of described nc sliding table.
5. a kind of V-type cylinder body valve guide hole finishing machine according to claim 4, it is characterized in that, the recognition detection structure of described cutter comprises fixed leg, upper contiguous block, lower connecting block, adjusting seat, airtight seat and the airtight sensor of compressed air, and described fixed leg is horizontal fixed leg; Described upper contiguous block is connected by the top of key with described horizontal fixed leg one end; Described lower connecting block is connected by the bottom of key with one end of described horizontal fixed leg; Described adjusting seat is connected with described upper contiguous block side; Described airtight seat is fixed in described adjusting seat; The airtight sensor of described compressed air is arranged on described airtight seat; The described fixed leg other end and described unit head hinged.
6. a kind of V-type cylinder body valve guide hole finishing machine according to claim 5, it is characterized in that, described unit head is provided with exhaust valve knife handle, it is corresponding that described exhaust valve knife handle position and the airtight sensor of described compressed air detect position.
7. a kind of V-type cylinder body valve guide hole finishing machine according to claim 5, it is characterized in that, described unit head is provided with exhaust valve knife handle or inlet valve knife handle, the length of described exhaust valve knife handle is greater than inlet valve knife handle length 10 millimeters; Described inlet valve knife handle position is less than the airtight sensor of described compressed air and detects 10 millimeters, position, and the airtight sensor detecting position of described compressed air is set to exhaust valve knife handle position.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310105579.3A CN103192115B (en) | 2013-03-28 | 2013-03-28 | Finishing machine of valve guide hole of V type cylinder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310105579.3A CN103192115B (en) | 2013-03-28 | 2013-03-28 | Finishing machine of valve guide hole of V type cylinder |
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| CN103192115A CN103192115A (en) | 2013-07-10 |
| CN103192115B true CN103192115B (en) | 2015-06-24 |
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| CN201310105579.3A Expired - Fee Related CN103192115B (en) | 2013-03-28 | 2013-03-28 | Finishing machine of valve guide hole of V type cylinder |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103949692B (en) * | 2014-04-10 | 2016-05-04 | 东莞市杰安塑胶五金科技有限公司 | A kind of high accuracy sphere deep hole processing equipment |
| CN107570726B (en) * | 2017-10-10 | 2023-06-06 | 浙江金汤机床有限公司 | Special numerical control lathe and method for continuous automatic machining of engine valves |
| CN110977561B (en) * | 2019-12-31 | 2025-02-18 | 苏州丰川电子科技有限公司 | CNC finishing fixture |
| CN111055168B (en) * | 2020-01-13 | 2024-12-03 | 宁波高新区琪明机械设备有限公司 | Piezoelectric cutting force test device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4436460A (en) * | 1981-06-11 | 1984-03-13 | Ex-Cell-O Corporation | Automatic depth compensating system |
| CN1212213C (en) * | 2001-08-29 | 2005-07-27 | 山东滨州渤海活塞股份有限公司 | Precisive boring machine for irregular holes |
| CN201091930Y (en) * | 2007-08-28 | 2008-07-30 | 赣州发电设备成套制造有限公司 | Special purpose machine for oblique boring |
| CN201223958Y (en) * | 2008-07-19 | 2009-04-22 | 德州德隆(集团)机床有限责任公司 | Large-sized crankshaft numerical control deep-hole drilling machine |
| CN201380301Y (en) * | 2009-05-04 | 2010-01-13 | 重庆耐普登机床有限公司 | Motorcycle cylinder three-face precision multiple-spindle numeral control boring machine tool |
| CN202667709U (en) * | 2012-07-19 | 2013-01-16 | 福建宏茂科技有限公司 | Oblique type boring machine |
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