CN202763118U

CN202763118U - Special machine for crank shaft straight oil hole drilling

Info

Publication number: CN202763118U
Application number: CN 201220393071
Authority: CN
Inventors: 毕晓君
Original assignee: JIANGSU WORLD ELECTROMECHANICAL GROUP CO Ltd
Current assignee: JIANGSU WORLD ELECTROMECHANICAL GROUP CO Ltd
Priority date: 2012-08-09
Filing date: 2012-08-09
Publication date: 2013-03-06
Anticipated expiration: 2022-08-09

Abstract

The utility model discloses a special machine for crank shaft straight oil hole drilling. The special machine comprises a feed system, a drill jig tool and a drilling system; the feed system comprises a hydraulic pressure station, a hydro-cylinder and a sliding table; the sliding table comprises a sliding table body and linear guide rails; the sliding table body is supported on the two linear guide rails; the bottoms of the linear guide rails are fixed on the upper side of a base seat; the hydro-cylinder is connected with the hydraulic pressure station through oil pipes; one end of the hydro-cylinder is fixed on the upper side of the base seat; an end socket of a piston rod of the hydro-cylinder is hinged with one end of the sliding table body; the drilling system is arranged on the sliding table body and comprises power heads, a gear box and a motor; one end of the motor is fixed on the rear side of the gear box; the lower end of the gear box is fixed on the sliding table body; a plurality of power heads are linearly arranged and extend out of a side face of the gear box; the plurality of power heads are driven by the motor to rotate synchronously through transmission of gears; drill bits are connected with the power heads through drill fixtures. According to the special machine for the crank shaft straight oil hole drilling, a plurality of drill bits are fed at a time, simultaneous machining of a plurality of straight oil holes on the crank shaft in the radial direction can be achieved; and machining efficiency is greatly improved, manufacturing cost is reduced, and location degree of each hole is ensured.

Description

Crankshaft straight oilhole drilling special plane

Technical field

The utility model relates to a kind of Multi-hole drilling special purpose machine tool, relates in particular to a kind of special purpose machine tool for the axial a plurality of straight oilholes of while machining crankshafts, belongs to the metal cutting manufacture field.

Background technology

Crankshaft straight machining of oil hole mode mainly contains two kinds: a kind of is to use common driller, manually process by straight oil hole clamp, can only process an oilhole at every turn, then process one by one successively all straight oilholes, this kind processing method manually expend greatly, process beat slowly, low precision.Another kind is to use Digit Control Machine Tool to bore straight oilhole, is automatically processed by numerical control program control cutter, although this kind processing method precision is high, but also can only process a hole at every turn, the processing beat still slow, the lathe use cost is higher, efficient is lower, and is higher to operating personnel's competency profiling.

Summary of the invention

The purpose of this utility model is to provide a kind of crankshaft straight oilhole drilling special plane, and a plurality of drill bits of primary feed are finished the processing of a plurality of straight oilholes on the bent axle simultaneously, cuts down finished cost, and improves machining accuracy and working (machining) efficiency.

The utility model is achieved by the following technical programs:

A kind of crankshaft straight oilhole drilling special plane, comprise the feed system and the drilling system that are arranged on base one end, be arranged on the drilling jig tool on the base other end, described feed system comprises Hydraulic Station, oil cylinder and slide unit, described slide unit comprises slide unit body, line slideway, the slide unit body is bearing on two line slideways that be arranged in parallel, the line slideway bottom is fixed on the base upside, oil cylinder is connected with Hydraulic Station by oil pipe, oil cylinder one end is fixed on the base upside, and cylinder piston rod termination and slide unit body one end are hinged; Described drilling system is arranged on the slide unit body, comprise unit head, gear-box and motor, motor one end is fixed on the gear-box rear side, the gear-box lower end is fixed on the slide unit body, a plurality of unit head word orders stretch out from the gear-box side, motor drives a plurality of unit head synchronous rotaries by gear drive, and drill bit is connected with unit head by drill jig.

Of the present utility model can also further the realization by the following technical programs.

Aforesaid crankshaft straight oilhole drilling special plane, wherein said drilling jig tool comprises a plurality of drill jig sleeves, two V-blocks, locating shaft, drill jig base and two V-type pressing plates, described drill jig base is L-shaped, be fixed on the base other end, two V-blocks are separately fixed at drill jig base two ends, locating shaft is fixed on the drill jig base between two V-blocks; Crankshaft two end is supported on respectively on the V-block, and the V-type pressing plate is fixed on the V-block after compressing bent axle, and a plurality of drill jig sleeve word orders are fixed on the riser of drill jig base, and drill jig sleeve is corresponding one by one with drill bit, and the drill jig sleeve through hole is coaxial with the drill bit on the unit head.

The utility model is processed a plurality of straight oilholes of bent axle that the location is clamped on the drilling jig tool simultaneously by being arranged on the much knives tool on the unit head, has greatly improved working (machining) efficiency.The relative position in each hole is determined by the relative position between the unit head on the gear-box, as long as guarantee the positional precision of unit head, just can guarantee the relative position of a plurality of straight oilholes of bent axle, thereby guarantee each hole location.The relatively processing of the one by one single hole of prior art, machining accuracy of the present utility model improves a lot, and each straight oilhole of bent axle all can run through, and adopts the automatically artificial intensity of processing reduction, and 1 people can operate 2-3 platform lathe simultaneously, saves a large amount of manpowers.The utility model utilizes on the drill bushing guiding of through hole to process, and has strengthened the rigidity of boring, and simple to operate, machining accuracy is high.

Advantage and disadvantage of the present utility model will be for illustration and explanation by the non-limitative illustration of following preferred embodiment, and these embodiment only provide as an example with reference to accompanying drawing.

Description of drawings

Fig. 1 is front view of the present utility model.

The specific embodiment

The utility model is described in further detail below in conjunction with drawings and Examples.

As shown in Figure 1, present embodiment is used for once finishing a plurality of straight oilhole of machining crankshafts, comprises the feed system 10, drilling jig tool 13 and the drilling system 20 that are arranged on the base 30.Feed system 10 comprises Hydraulic Station 11, oil cylinder 12 and slide unit 14, described slide unit 14 comprises line slideway 141, slide unit body 142, slide unit body 142 is bearing on two line slideways that be arranged in parallel 141, line slideway 141 bottoms are fixed on base 30 upsides, oil cylinder 12 is connected with Hydraulic Station 11 by oil pipe 15, oil cylinder 12 1 ends are fixed on base 30 upsides, and cylinder piston rod termination and slide unit body 142 1 ends are hinged.Drilling system 20 is arranged on the slide unit body 142, comprise unit head 21, gear-box 22 and motor 23, motor 23 1 ends are fixed on gear-box 22 rear sides, gear-box 22 lower ends are fixed on the slide unit body 142,4 unit head 21 word orders stretch out from gear-box 22 sides, motor 23 drives a plurality of unit head 21 synchronous rotaries by gear drive, and drill bit 24 is connected with unit head 21 by drill jig 25.

Drilling jig tool 13 is fixed on base 30 other ends, comprise 4 drill jig sleeves 131, two V-blocks 132, locating shaft 133, drill jig base 134 and two V-type pressing plates 135, drill jig base 134 is L-shaped, be fixed on base 30 other ends, two V-blocks 132 are separately fixed at drill jig base 134 two ends, locating shaft 133 is fixed on the drill jig base 134 between two V-blocks 132.4 drill jig sleeve 131 word orders are fixed on the riser of drill jig base 134, and drill jig sleeve 131 is corresponding one by one with drill bit 24, and drill jig sleeve 131 through holes are coaxial with the drill bit 24 on the unit head 21.

The course of work of the present utility model is as follows:

Bent axle 40 two ends are positioned on two V-blocks 132, and by being positioned at 133 pairs of bent axle 40 axial location of locating shaft on bent axle fan plate 401 sides, bent axle 40 are fixed on the V-block 132 by the fastening bolt nut with V-type pressing plate 135 again.Starter motor 23, the gear drive in the gear-box 22 drives 4 unit heads 21, drill jig 25 and drill bit 24 synchronous rotaries.Start the pump valve system of Hydraulic Station 11, the piston rod of oil cylinder 12 promotes slide unit body 142 and moves to horizontal bent axle 40,4 drill bits 24 are once finished the processing of 4 straight oilholes on the bent axle 40, the feed speed of drill bit 24 is by the oil-feed flow-control of oil cylinder 12, after hole depth reaches setting, trigger travel switch, oil cylinder 12 drives drilling system 20 and returns, and the processing of all straight oilhole on the bent axle 40 is finished in a drilling.

In addition to the implementation, the utility model can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of requirement of the present invention.

Claims

1. crankshaft straight oilhole drilling special plane, it is characterized in that: comprise the feed system and the drilling system that are arranged on base one end, be arranged on the drilling jig tool on the base other end, described feed system comprises Hydraulic Station, oil cylinder and slide unit, described slide unit comprises slide unit body, line slideway, the slide unit body is bearing on two line slideways that be arranged in parallel, the line slideway bottom is fixed on the base upside, oil cylinder is connected with Hydraulic Station by oil pipe, oil cylinder one end is fixed on the base upside, and cylinder piston rod termination and slide unit body one end are hinged; Described drilling system is arranged on the slide unit body, comprise unit head, gear-box and motor, motor one end is fixed on the gear-box rear side, the gear-box lower end is fixed on the slide unit body, a plurality of unit head word orders stretch out from the gear-box side, motor drives a plurality of unit head synchronous rotaries by gear drive, and drill bit is connected with unit head by drill jig.

2. crankshaft straight oilhole drilling special plane as claimed in claim 1, it is characterized in that: described drilling jig tool comprises a plurality of drill jig sleeves, two V-blocks, locating shaft, drill jig base and two V-type pressing plates, described drill jig base is L-shaped, be fixed on the base other end, two V-blocks are separately fixed at drill jig base two ends, locating shaft is fixed on the drill jig base between two V-blocks; Crankshaft two end is supported on respectively on the V-block, and the V-type pressing plate is fixed on the V-block after compressing bent axle, and a plurality of drill jig sleeve word orders are fixed on the riser of drill jig base, and drill jig sleeve is corresponding one by one with drill bit, and the drill jig sleeve through hole is coaxial with the drill bit on the unit head.