CN201313252Y - Machining mold for large diesel engine speed-setting servo body of train - Google Patents

Abstract

The utility model discloses a machining mold for a large diesel engine speed-setting servo body of a train, which comprises a bottom plate, a locating core shaft, a locating block, a left side plate, a right side plate, an upper drilling template, a drilling template, wherein the locating core shaft is arranged at one end of the upper surface of the bottom plate, the locating block is arranged in a sliding chute at the other end of the bottom plate, the end of the locating block close to the locating core shaft is of V shape, the left side plate and the right side plate are arranged respectively at the left and the right of the bottom plate, the upper drilling template is arranged above the locating core shaft, the two ends of the upper drilling template are detachably connected respectively with the left side plate and the right side plate, a locating bolt is arranged on the upper drilling template, the drilling plate is arranged on the edge along the locating core shaft, the two ends of the drilling template are fixedly arranged respectively on the left side plate and the right side plate and auxiliary machining holes are arranged on the bottom plate, the locating core shaft and the drilling template. Only one set of tool equipment and one locating process are required. Machining of holes on three surface of the large diesel engine speed-setting servo body of the train can be completed at one time. Thereby, the process is decreased, the machining cost is reduced and the machining accuracy is improved.

Description

The train large-scale diesel engine is joined fast servo body processing mold

Technical field

The utility model relates to a kind of mould, and especially a kind of train large-scale diesel engine is joined the dedicated processing mould of fast servo body.

Background technology

The train large-scale diesel engine is joined the critical piece that fast servomechanism is the train dynamical system, harmonious compensation all plays an important role to startup, traction, braking and the speed of dynamical system, be one of key member on the train, and the train large-scale diesel engine to join fast servo body be the main component that the train large-scale diesel engine is joined fast servomechanism.

The train large-scale diesel engine is joined fast servo body, be shaped as the special-shaped cylindrical body that Open Side Down, its lower end is connected on the base, its lateral surface is provided with two parallel supports, wherein vertically be provided with through hole on the base, the upper top lower surface has a counterbore that makes progress, and also vertically is provided with oilhole in its sidewall, sidewall upper is horizontally disposed with the oil filler point that communicates with oilhole, also has been horizontally disposed with two through hole on the parallel two stands that is provided with of lateral surface.In traditional processing mode, for processing above-mentioned hole, need be divided into three work steps, in three work steps, respectively the hole on three different directions be processed, need three cover frocks altogether, adopt this traditional approach processing, its frock cost height, complex procedures, and owing to be the processing of branch work step, need multiple clamping and cause mismachining tolerance bigger, usually do not reach desired machining accuracy.

The utility model content

Technical problem to be solved in the utility model be provide in order to overcome above-mentioned the deficiencies in the prior art a kind of the disposable clamping of need can to the porose train large-scale diesel engine of processing join fast servo body dedicated processing mould.

The utility model is to solve the problems of the technologies described above to have adopted following technical scheme:

A kind of train large-scale diesel engine is joined fast servo body processing mold, comprising:

Base plate, be shaped as cuboid, have the secondary process hole that communicates up and down on it, the processing drilling tool can pass these secondary process holes and the train large-scale diesel engine is joined the oilhole that through hole on the fast servo body base and train large-scale diesel engine join in the fast servo body sidewall process;

Positioning core axle, be arranged at the plate upper surface middle part of an end along its length, be shaped as cylinder with the servo intracoelomic cavity form fit of processing, have the secondary process hole that communicates with the base plate lower surface on it, the processing drilling tool can pass the counterbore of this hole being joined on the fast servo body upper top lower surface by the train large-scale diesel engine and process;

Locating piece, be mounted slidably a chute that is positioned at the positioning core axle other end in plate upper surface, it is a V-arrangement with the side that positioning core axle faces mutually, have the elongated slot consistent on the locating piece with the chute direction, vertically be provided with the hold-down bolt that chute is fixed in a lower end in the elongated slot, the hold-down bolt upper end highly exceeds the locating piece height and is equipped with a clamp nut thereon, and rotatably compressing nut can be fixed locating piece;

Left plate and right plate, the left and right sides that it is arranged at the plate upper surface broad ways symmetrically is used to support bushing plate and bore template;

Last bushing plate is arranged at the top of positioning core axle, and its two ends removably are connected on the left and right side plate, and it is provided with a tapped through hole, is equipped with a location bolt in the tapped through hole;

Bore template, its two ends are fixedly set in left and right side plate along on positioning core axle one side's the seamed edge, the secondary process hole that it communicates before and after being provided with, processing drilling tool can be passed this hole and the train large-scale diesel engine is joined the horizontally disposed oil filler point in fast servo body sidewall upper end process.

When using the utility model frock, take off bushing plate earlier, train large-scale diesel engine to be processed is joined fast servo body workpiece to be positioned on the base plate positioning core axle, limited workpiece around the rotary freedom of horizontal direction X-axis and Y-axis with along the one-movement-freedom-degree of X-axis and Y-axis with the positioning core axle of workpiece lumen form fit and base plate, promote locating piece again, allow the V-arrangement end face of itself and positioning core axle sides adjacent block the workpiece side, rotatably compressing nut is fixed locating piece, just limited workpiece this moment freely around the rotation of vertical direction Z axle, to go up bushing plate then installs, rotate the bolt on it, the upper surface that the bolt lower end props up workpiece limits the one-movement-freedom-degree of workpiece along Z-direction, at this moment, the workpiece six-freedom degree all is limited and the location of realizing workpiece.The position in the secondary process hole that is provided with on the utility model of location back all with the location matches in workpiece hole to be processed, wherein, use drilling tool, can be respectively the oilhole that vertically is provided with in the through hole that needs on the workpiece base to be provided with and the sidewall be processed by the secondary process hole that is arranged on the base plate, by the secondary process hole that is arranged on the positioning core axle and be communicated with the base plate lower surface counterbore that workpiece upper top lower surface need upwards be provided with is processed, by the secondary process hole that is arranged on the bore template the horizontally disposed oil filler point of workpiece sidewall upper is processed, to need symmetrically arranged through hole on the workpiece two stands, can use drilling tool directly to process from the utility model locating piece place one extreme direction.Like this can be with all the hole completion of processing that need process on three directions of workpiece.

In sum, than prior art, the utility model only needs a cover frock, one-time positioning, the train large-scale diesel engine can be joined on the fast servo body that all the hole time processing that need process finish on three directions, it has reduced operation, has reduced processing cost, and has reduced the mismachining tolerance that needed multiple clamping to bring owing in the past, has improved machining accuracy.

Description of drawings

Fig. 1 is the vertical view after the bushing plate dismounting down on the utility model;

Fig. 2 is the vertical view after bushing plate installs on the utility model;

Fig. 3 is the A-A view of Fig. 1;

Fig. 4 is the left view of Fig. 2.

The specific embodiment

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

To shown in Figure 4, a kind of train large-scale diesel engine of present embodiment is joined fast servo body processing mold, comprising by Fig. 1:

Base plate 1 is shaped as cuboid, has 3 secondary process holes 11 that communicate up and down on it;

Positioning core axle 2 is arranged at the base plate 1 upper surface middle part of an end along its length, is shaped as the cylinder with the servo intracoelomic cavity form fit of processing, and has the secondary process hole 21 that communicates with base plate 1 lower surface on it;

Locating piece 3, be mounted slidably a chute 31 that is positioned at positioning core axle 2 other ends in base plate 1 upper surface, it is a V-arrangement with the side that positioning core axle 2 faces mutually, have the elongated slot 32 consistent on the locating piece 3 with chute 31 directions, vertically be provided with a lower end in the elongated slot 32 and be fixed in the hold-down bolt 33 of chute 31, hold-down bolt 33 upper ends highly exceed locating piece 3 height and are equipped with a clamp nut 34 thereon, and rotatably compressing nut 34 can be fixed locating piece 3 in chute 31;

Left plate 41 and right plate 42, the left and right sides that it is arranged at base plate 1 upper surface broad ways symmetrically is used to support bushing plate 5 and bore template 6;

Last bushing plate 5 is arranged at the top of positioning core axle 2, and its two ends are connected on the left and right side plate 41,42 removably by connecting bolt 53, and it is provided with a tapped through hole 51, is equipped with a location bolt 52 in the tapped through hole 51;

Bore template 6, its two ends are fixedly set in left and right side plate 41,42 along on positioning core axle 2 one sides' the seamed edge, the secondary process hole 61 that it communicates before and after being provided with.

When using the present embodiment frock, take off bushing plate 5 earlier, train large-scale diesel engine to be processed is joined fast servo body workpiece to be positioned on the positioning core axle 2 on the base plate 1, limited workpiece around the rotary freedom of horizontal direction X-axis and Y-axis with along the one-movement-freedom-degree of X-axis and Y-axis with the positioning core axle 2 of workpiece lumen form fit and base plate 1, promote locating piece 3 again, the V-arrangement end face that allows itself and positioning core axle 2 face side mutually blocks the workpiece side, rotatably compressing nut 34 is fixed locating piece 3, just limited workpiece this moment freely around the rotation of vertical direction Z axle, to go up bushing plate 5 then installs, rotate the bolt 52 on it, the upper surface that bolt 52 lower ends prop up workpiece limits the one-movement-freedom-degree of workpiece along Z-direction, at this moment, the workpiece six-freedom degree all is limited and the location of realizing workpiece.The position in the secondary process hole that is provided with in the present embodiment all with the location matches in workpiece hole to be processed, wherein, use drilling tool, can be respectively process by being arranged at the oilhole that needs on the 11 pairs of workpiece bases in three secondary process holes on the base plate 1 vertically to be provided with in the through hole that is provided with and the sidewall, process by being arranged on the positioning core axle 2 and being communicated with the counterbore that secondary process hole 21 pairs of workpiece upper tops lower surface of base plate 1 lower surface need upwards be provided with, process by the 61 pairs of horizontally disposed oil filler points of workpiece sidewall upper in secondary process hole that are arranged on the bore template 6, to need symmetrically arranged through hole on the workpiece two stands, can use drilling tool directly to process from the utility model front end.So only by tool locating can be with workpiece all the hole completion of processing that need process.

Claims (1)

1, a kind of train large-scale diesel engine is joined fast servo body processing mold, it is characterized in that comprising:

Base plate is shaped as cuboid, has the secondary process hole that communicates up and down on it;

Positioning core axle is arranged at the plate upper surface middle part of an end along its length, is shaped as the cylinder with the servo intracoelomic cavity form fit of processing, and has the secondary process hole that communicates with the base plate lower surface on it;

Locating piece, be mounted slidably in plate upper surface, be positioned at a chute of the positioning core axle other end, its side adjacent with positioning core axle is a V-arrangement, have the elongated slot consistent on the locating piece with the chute direction, vertically be provided with the hold-down bolt that chute is fixed in the lower end in the elongated slot, hold-down bolt upper end screw thread is equipped with a clamp nut, and rotatably compressing nut can be fixed locating piece;

Left plate and right plate, it is arranged at the left and right sides of plate upper surface broad ways symmetrically;

Last bushing plate is arranged at the top of positioning core axle, and its two ends removably are connected on the left and right side plate, and it is provided with a tapped through hole, is equipped with a location bolt in the tapped through hole;

Bore template, its two ends are fixedly set in left and right side plate along on positioning core axle one side's the seamed edge, the secondary process hole that it communicates before and after being provided with.

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