CN207076816U - The bend molding apparatus of oil injector body oil return oil pipe - Google Patents

Abstract

A kind of bend molding apparatus of oil injector body oil return oil pipe, including bottom plate are the utility model is related to, it is characterized in that：Imitative type block is installed on the bottom plate, is provided for supporting the support block of workpiece on the right side of imitative type block, when workpiece is placed in support block, unbent oil return pipe is located at the imitative type groove on imitative type block on workpiece；The hold-down mechanism and bending mechanism of workpiece pressing upper end are respectively arranged in the front and rear sides of the imitative type block, workpiece end jacking mechanism is installed on the right side of support block；The bending mechanism includes the fixed block being arranged on imitative type block, and moving block is rotatablely connected on fixed block, and the lower end of moving block sets rotational pin, rotational pin lower end connection protective case, and the rotating mechanism that moving block rotates with driving moving block is connected.The utility model can ensure angle, length equidimension and part smoothness requirements after oil pipe shaping.

Description

The bend molding apparatus of oil injector body oil return oil pipe

Technical field

It the utility model is related to a kind of bend molding apparatus of oil injector body oil return oil pipe, especially a kind of diesel engine fuel oil The bend molding apparatus of straight oil pipe in spraying system oil injector body.

Background technology

The function of fuel oil injection system injector body is burnt to inject fuel into the pump housing, and because fuel oil injection is total Into design problem, it is necessary to by oil return pipe carry out bending could connect, simultaneously because pipe inner high voltage fuel oil injection needs, to bend The surface smoothness of position has certain requirement, and scuffing and cut can not be produced in curved surface during bend pipe.

Typically it is processed at present for the oil pipe of this Spatial Multi-Dimensional degree bending using numerical control hydraulic bending machine, but number Control hydraulic pipe bender has the following disadvantages：

（1）Price is higher, can effectively reduce cost when product quantity is more, but use cost when batch production quantity is relatively low It is higher；

（2）High-pressure oil pipe feeding style in CNC tube bending machine is to move towards friction feeding, fracture, bend pipe along oil pipe, by Work continuously in belonging to, can not be found in time when scratching, easily cause batch and scratch and scrap；And due to this product Technique customization route is bulk heat treatmet after later stage shaping, therefore carries out bend pipe with the method before heat, is easily caused the generation of other positions Flexural deformation.

The content of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided a kind of oil injector body oil return oil pipe Bend molding apparatus, angle, length equidimension and part smoothness requirements after oil pipe shaping can be ensured.

According to technical scheme provided by the utility model, the bend molding apparatus of the oil injector body oil return oil pipe, including Bottom plate, it is characterized in that：Imitative type block is installed on the bottom plate, is provided for supporting the support block of workpiece on the right side of imitative type block, when When workpiece is placed in support block, unbent oil return pipe is located at the imitative type groove on imitative type block on workpiece；In the imitative type block Front and rear sides be respectively arranged to the hold-down mechanism and bending mechanism of workpiece pressing upper end, workpiece is installed on the right side of support block End jacking mechanism；

The bending mechanism includes the fixed block being arranged on imitative type block, and moving block, moving block are rotatablely connected on fixed block Lower end set rotational pin, rotational pin lower end connection protective case, moving block with driving moving block rotation rotating mechanism be connected.

Further, the support block uses V-block, and V-block upper surface has the V-groove for placing workpiece.

Further, the hold-down mechanism includes flange seat, is fixedly installed in flange seat and screws axle, is screwing axle and flange Guide sleeve is set between seat, and the upper end connection pressing plate of guide sleeve, the lower surface of pressing plate is provided for the copper pressure head of workpiece pressing；Institute State and screw the upper end of axle and be connected by screw thread with contiguous block, first handle is connected on contiguous block.

Further, in the lower end sheathed spring for screwing axle, guide sleeve is withstood in the upper end of spring.

Further, in the end set bulb lever of the first handle.

Further, the workpiece end jacking mechanism includes footstock, and screwing bolts, screwing bolts direction are set on footstock The one end of support block is provided for the afterbody pressure head of top tight workpiece afterbody.

Further, it is provided for adjusting the adjust pad of height in the bottom of the imitative type block.

Further, the moving block is rotatably connected on fixed block by rotary shaft.

Further, the rotating mechanism that the driving moving block rotates uses second handle.

The utility model has advantages below：

（1）The utility model ensure that product in bend pipe using imitated structure, upper end hold-down mechanism, end jacking mechanism During stability, and key space accuracy of gauge；

（2）The utility model uses the lever construction lengthened, reduces the labor intensity of employee；

（3）The utility model ensure that product surface without scuffing and very big stroke using fillet polishing transition and copper pressure head Trace.

Brief description of the drawings

Fig. 1 is the axonometric drawing of the bend molding apparatus of oil injector body oil return oil pipe described in the utility model.

Fig. 2 is the front view of the bend molding apparatus of oil injector body oil return oil pipe described in the utility model.

Fig. 3 is the top view of the bend molding apparatus of oil injector body oil return oil pipe described in the utility model.

Fig. 4 is the side view of the bend molding apparatus of oil injector body oil return oil pipe described in the utility model.

Fig. 5 is Fig. 3 A-A sectional views.

Fig. 6 is Fig. 2 B-B sectional views.

Description of reference numerals：1- bottom plates, 2- imitate type block, 3- adjust pads, 4- fixed blocks, 5-V types block, 6- afterbodys pressure head, 7- footstocks, 8- screwing bolts, 9- protective cases, 10- rotational pins, 11- moving blocks, 12- first handles, 13- bulbs lever, 14- Two handles, 15- contiguous blocks, 16- screw axle, 17- pressing plates, 18- guide sleeves, 19- flange seats, 20- springs, 21- copper pressure head, 22- Rotary shaft, 23- workpiece, 23-1 fuel injectors main body, 23-2 oil return pipes, 24- imitate type groove.

Embodiment

With reference to specific accompanying drawing, the utility model is described in further detail.

In the specific descriptions of detailed description below, coordinate reference Fig. 2, using the left and right directions in Fig. 2 as left and right, vertically The direction of paper is front and rear.

As shown in Figure 1 to 4, the bend molding apparatus of oil injector body oil return oil pipe described in the utility model includes bottom plate 1, Imitative type block 2 and V-block 5 are installed on bottom plate 1, V-block 5 is located at the right side of imitative type block 2, and the upper surface of V-block 5, which has, places workpiece 23 V-groove, when workpiece 23 is placed on V-block 5, the fuel injector main body 23-1 on workpiece 23 is positioned over the V-type of V-block 5 In groove, unbent oil return pipe 23-2 is located at the imitative type groove 24 on imitative type block 2 on workpiece 23；Before and after the imitative type block 2 Both sides set hold-down mechanism and bending mechanism respectively, and workpiece end jacking mechanism is installed on the right side of V-block 5, and hold-down mechanism is used In the fuel injector main body 23-1 of workpiece pressing 23, workpiece end jacking mechanism is used for the afterbody for holding out against fuel injector main body 23-1, curved Bent mechanism is used to drive oil return pipe 23-2 to be manually bent along the imitative type groove 24 on imitative type block 2.

As shown in Fig. 2, Fig. 5, the bending mechanism includes the fixed block 4 being arranged on imitative type block 2, passes through on fixed block 4 Rotary shaft 22 is rotatablely connected moving block 11, and the lower end of moving block 11 sets rotational pin 10, and the lower end of rotational pin 10 connects protective case 9, Second handle 14 is connected on moving block 11；During work, drive moving block 11 to rotate by second handle 14, turn on moving block 11 Dynamic pin 10 and protective case 9 drive imitative type grooves 24 of the oil return pipe 23-2 along imitative type block 2 to be bent.

As shown in Fig. 1, Fig. 6, the hold-down mechanism includes the flange seat 19 being arranged on bottom plate 1, is fixed in flange seat 19 Setting screws axle 16, is screwing setting guide sleeve 18 between axle 16 and flange seat 19, the upper end connection pressing plate 17 of guide sleeve 18, pressure The lower surface of plate 17 sets copper pressure head 21, and copper pressure head 21 is used for the fuel injector main body 23-1 of workpiece pressing 23 upper end；The rotation The upper end of mandrel 16 is connected by screw thread with contiguous block 15, and first handle 12, the end of first handle 12 are connected on contiguous block 15 Bulb lever 13 is set；During work, drive contiguous block 15 to rotate by first handle 12, make contiguous block 15 it is relative screw axle 16 to Lower motion, screw axle 16 and drive guide sleeve 18 to move down, pressing plate 17 is moved down the upper end for compressing fuel injector main body 23-1；Institute The lower end sheathed spring 20 for screwing axle 16 is stated, guide sleeve 18 is withstood in the upper end of spring 20, and being reversely rotated in first handle 12 makes to lead During being moved up to set 18, guide sleeve 18 is set to reset upwards by the spring force of spring 20.

As shown in Figure 1 and Figure 2, the workpiece end jacking mechanism includes footstock 7, sets screwing bolts 8 on footstock 7, screws The one end of bolt 8 towards V-block 5 sets afterbody pressure head 6, and afterbody pressure head 6 is used for the afterbody for holding out against fuel injector main body 23-1.

Adjust pad 3 is set in the bottom of the imitative type block 2, and adjust pad 3 is used for the height for adjusting imitative type block 2, makes to imitate Imitative type groove on type block 2 is engaged with the oil return pipe 23-2 on workpiece 23.

The course of work of the present utility model：

1st, preceding working procedure is completed（The overall weldment of oil injector body main body, unbent oil return pipe）Workpiece 23 is put into In the V-groove of V-block 5, the afterbody that makes the fuel injector main body 23-1 of the top tight workpiece 23 of afterbody pressure head 6 by screwing screwing bolts 8, Unbent oil return pipe 23-2 is caught in the imitation-shaped groove 24 of imitative type block 2；

2nd, first handle 12 is rotated, copper pressure head 21 is compressed fuel injector main body 23-1 upper end, it is ensured that to be sprayed in BENDING PROCESS Oily device main body 23-1 will not be rocked, and oil return pipe 23-2 angle may insure errorless；

3rd, second handle 14 is rotated, unbent oil return pipe 23-2 bendings is snapped into the imitation-shaped groove 24 of imitative type block 2, completes Brake forming；

4th, second handle 14, first handle 12 and screwing bolts 8 are rotated, the workpiece 23 that bending is completed is taken out, is put into cubing It is qualified inside to check whether, treats that subsequent handling is processed.

Claims (9)

1. a kind of bend molding apparatus of oil injector body oil return oil pipe, including bottom plate（1）, it is characterized in that：In the bottom plate（1）On The imitative type block of installation（2）, imitate type block（2）Right side be provided for support workpiece（23）Support block, work as workpiece（23）It is placed on branch When on bracer, workpiece（23）Upper unbent oil return pipe（23-2）Positioned at imitative type block（2）On imitative type groove（24）Place；Described imitative Type block（2）Front and rear sides be respectively arranged to workpiece pressing（23）The hold-down mechanism and bending mechanism of upper end, in support block Right side is installed by workpiece end jacking mechanism；

The bending mechanism includes being arranged on imitative type block（2）On fixed block（4）, fixed block（4）Upper rotation connection moving block （11）, moving block（11）Lower end set rotational pin（10）, rotational pin（10）Lower end connects protective case（9）, moving block（11）With Drive moving block（11）The rotating mechanism connection of rotation.

2. the bend molding apparatus of oil injector body oil return oil pipe as claimed in claim 1, it is characterized in that：The support block uses V-block（5）, V-block（5）Upper surface, which has, places workpiece（23）V-groove.

3. the bend molding apparatus of oil injector body oil return oil pipe as claimed in claim 1, it is characterized in that：The hold-down mechanism bag Include flange seat（19）, flange seat（19）Middle fixed setting screws axle（16）, screwing axle（16）And flange seat（19）Between set Guide sleeve（18）, guide sleeve（18）Upper end connection pressing plate（17）, pressing plate（17）Lower surface be provided for workpiece pressing（23） Copper pressure head（21）；It is described to screw axle（16）Upper end pass through screw thread and contiguous block（15）Connection, contiguous block（15）Upper connection the One handle（12）.

4. the bend molding apparatus of oil injector body oil return oil pipe as claimed in claim 3, it is characterized in that：Axle is screwed described （16）Lower end sheathed spring（20）, spring（20）Upper end withstand guide sleeve（18）.

5. the bend molding apparatus of oil injector body oil return oil pipe as claimed in claim 3, it is characterized in that：In the first handle （12）End set bulb lever（13）.

6. the bend molding apparatus of oil injector body oil return oil pipe as claimed in claim 1, it is characterized in that：The workpiece end top Tight mechanism includes footstock（7）, footstock（7）Upper setting screwing bolts（8）, screwing bolts（8）Set towards the one end of support block For top tight workpiece（23）The afterbody pressure head of afterbody（6）.

7. the bend molding apparatus of oil injector body oil return oil pipe as claimed in claim 1, it is characterized in that：In the imitative type block （2）Bottom be provided for adjust height adjust pad（3）.

8. the bend molding apparatus of oil injector body oil return oil pipe as claimed in claim 1, it is characterized in that：The moving block（11） Pass through rotary shaft（22）It is rotatably connected on fixed block（4）On.

9. the bend molding apparatus of oil injector body oil return oil pipe as claimed in claim 1, it is characterized in that：The driving moving block （11）The rotating mechanism of rotation uses second handle（14）.