CN218136571U - Self-positioning pneumatic tool for machining automobile steering device valve body - Google Patents

Abstract

The utility model discloses a pneumatic frock of auto steering ware valve body processing self-align, the on-line screen storage device comprises a base, the base top has the working face that the level set up, has a plurality of processing stations on this working face, have on the base with each positioning disk, axial positioning subassembly and the circumference locating component that processing station one-to-one set up, wherein have the via hole that suits with the valve body tip on the positioning disk, axial positioning subassembly includes the axial cylinder and the clamp plate of vertical setting, the piston rod of axial cylinder up, its tip has the pressure head, can compress tightly through the valve body that the clamp plate will be located on the positioning disk, circumference locating component is used for the circumference fixed to the valve body. The axial and circumferential positioning of the valve body to be machined can be realized quickly, so that the valve body cannot axially shift and circumferentially rotate in the machining process, the quality of a machined finished product is ensured, and meanwhile, the workpiece is convenient to feed and discharge, so that the machining production efficiency is improved, and the like.

Description

Self-positioning pneumatic tool for machining automobile steering gear valve body

Technical Field

The utility model belongs to steering gear processing equipment field, concretely relates to auto steering ware valve body processing is from positioning pneumatic frock.

Background

The steering gear is a hydraulic actuating element which is commonly applied to main machines such as engineering machinery, agricultural machinery and the like. The center of the steering gear valve body is provided with a central assembly hole, the periphery of the steering gear valve body is provided with an assembly perforation and an oil hole which are arranged along the radial direction, a signal hole and the like, the valve body is processed mainly by drilling and thread tapping, the processing precision of the valve body directly determines the quality of the steering gear, and therefore a valve body blank needs to be positioned and fixed in the processing process, however, various holes are respectively positioned on different sections which are not parallel to each other, different tools are always adopted for processing for a long time, the tool needs to be replaced repeatedly, multiple times of positioning is needed, the deviation of position precision is easy to occur, the manufacturing precision of the valve body is influenced, and the production efficiency is low.

The applicant proposes patent applications with the patent number of CN201620925376.8 and the patent name of a pneumatic tool for drilling at any angle of an oil hole of a valve body of an automobile steering gear in the early stage of oil hole processing, and the tool is mainly used for processing a multi-station multi-angle oil hole.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a self-align pneumatic frock of auto steering ware valve body processing to among the solution prior art, steering ware valve body processing location step is loaded down with trivial details, location reliability is not good enough influences processingquality scheduling problem.

The technical scheme is as follows:

the utility model provides a pneumatic frock of auto steering ware valve body processing self-align, includes the base, the base top has the working face of level setting, has a plurality of machining-position stations on this working face, and its key lies in: the valve body pressing device is characterized in that a positioning disc, an axial positioning assembly and a circumferential positioning assembly which are arranged in one-to-one correspondence with the processing stations are arranged on the base, a through hole which is matched with the end portion of the valve body is formed in the positioning disc, the axial positioning assembly comprises an axial cylinder and a pressing plate which are vertically arranged, a piston rod of the axial cylinder faces upwards, the end portion of the axial cylinder is provided with a pressing head, the valve body which is located on the positioning disc can be pressed tightly through the pressing plate, and the circumferential positioning assembly is used for fixing the circumferential direction of the valve body.

The scheme above adopting mainly realizes treating the axial and circumference of processing valve body simultaneously through axial positioning subassembly and circumference locating component and fixes a position, improves the location reliability greatly to improve the finished product quality of processing, wherein adopt split type clamp plate structure among the axial positioning subassembly, the work piece of being more convenient for pack into or take off, be favorable to improving processing production efficiency.

Preferably, the method comprises the following steps: the pressure plate is plate-shaped, and the bottom of the pressure plate is provided with a boss matched with the central hole of the valve body. By adopting the scheme, when the valve is compressed, the boss extends into the valve body, the horizontal sliding quantity of the valve body can be effectively reduced, and the compression effect is ensured.

Preferably, the method comprises the following steps: the pressing plate is provided with a rectangular notch which is radially arranged, the upper end of a piston rod of the axial cylinder is provided with a limiting section which is matched with the rectangular notch, and a drawing head is arranged at a position, far away from the opening end of the rectangular notch, of the pressing plate. Scheme more than adopting, through spacing section and rectangle notch cooperation, can prevent effectively that the clamp plate level from rotating, further improve and compress tightly the location effect, the drawing head is convenient for take off the clamp plate to lay or take away the work piece.

Preferably, the method comprises the following steps: the circumference locating component includes the splint that radially set up along the positioning disk to and be used for the drive splint are just to the horizontal cylinder that the positioning disk radially slided, splint are close to positioning disk one end and have trapezoidal notch, trapezoidal notch is located the positioning disk top, and it can be just to removing towards the valve body that is located on the positioning disk under the horizontal cylinder effect to support tightly with valve body circumference outer wall. By adopting the scheme, the trapezoidal notches are tightly abutted to the two symmetrical sides of the workpiece, so that the workpiece is prevented from rotating in the circumferential direction, circumferential positioning is realized, the structure is simplified, and the implementation is facilitated.

Preferably, the method comprises the following steps: the both sides of trapezoidal notch set up the arm lock for the symmetry, have in the trapezoidal notch along the reference column of its length direction setting, the reference column sets up with the arm lock one-to-one to form the centre gripping mouth. By adopting the scheme, the clamping openings formed by the positioning columns and the clamping arms are just clamped on two symmetrical sides of the two assembling through holes on the valve body, and the circumferential positioning reliability is further improved by increasing the clamping point positions.

Preferably, the method comprises the following steps: the positioning column is a stud and is in threaded fit with the clamping plate. By adopting the scheme, the exposure length of the positioning column can be conveniently adjusted to adapt to workpieces of different models.

Preferably, the method comprises the following steps: the base is provided with mounting grooves which are in one-to-one correspondence with the transverse cylinders, slide seats which are detachably arranged are arranged in the mounting grooves, the slide seats are provided with slide tables which are in slide fit with the slide seats, the slide tables are connected with piston rods of the transverse cylinders, and the slide tables can be close to or far away from the positioning disc under the action of the transverse cylinders;

the clamp plate is in sliding fit with the sliding table, the sliding direction of the clamp plate is perpendicular to the extending direction of the transverse cylinder piston rod, the clamp plate and the sliding table are fixed relatively through fastening screws, and strip-shaped through holes are formed in the clamp plate corresponding to the fastening screws. By adopting the scheme, the clamping plate can be subjected to left-right fine adjustment relative to the center of the workpiece, so that the requirements on machining and assembling precision of each part can be reduced, and the cost of the tool can be reduced.

Preferably, the method comprises the following steps: the base is provided with chip removal channels which are arranged in one-to-one correspondence with the positioning disc. The structure is convenient for discharge the waste material that produces processing more than adopting, guarantees the cleanliness factor of working face, is convenient for last operation.

Preferably, the method comprises the following steps: and air sources of all the axial cylinders and the transverse cylinders are controlled by the same sequence valve. By adopting the scheme, the positioning operation efficiency can be further improved, and when the positioning device is used, axial and circumferential positioning of all workpieces can be quickly realized only by placing the workpieces in place, so that the operation efficiency is improved.

Preferably, the method comprises the following steps: the base bottom has with uncovered fretwork cavity down, the axial cylinder is located the fretwork cavity indoorly, and horizontal cylinder is located the rear side of base, and the sequence valve is located the one end of base. By adopting the scheme, the weight of the base is favorably reduced, and the occupied space is reduced, so that the base is suitable for more use places.

Compared with the prior art, the beneficial effects of the utility model are that:

adopt the utility model provides a self-align pneumatic frock of auto steering ware valve body processing can realize treating the axial and the circumference location of processing valve body fast to guarantee that axial float and circumferential direction can not take place for the valve body in the course of working, guarantee the finished product quality of processing, the material loading and the unloading of the work piece of being convenient for simultaneously, in order to improve processing production efficiency etc..

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is an isometric view of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a rear view of FIG. 1;

FIG. 5 is a cross-sectional view of FIG. 1;

FIG. 6 is a schematic view of a base structure;

FIG. 7 is a cross-sectional view of FIG. 6;

FIG. 8 is a schematic view of the relative positions of the axial positioning assembly and the circumferential positioning assembly;

FIG. 9 is a top view of FIG. 8;

FIG. 10 is a partial cross-sectional view (with valve body) of FIG. 9;

FIG. 11 is a schematic view of a structure of a slide and a slide;

FIG. 12 is a schematic view of a puck structure;

FIG. 13 is a schematic view of the splint configuration;

FIG. 14 is a schematic view of a platen configuration;

FIG. 15 is a schematic view of a sequence valve controlled gas line;

FIG. 16 is a schematic view of the valve body;

fig. 17 is a schematic view of the usage state of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 17, the valve body of the automobile steering gear shown in fig. 6 is a self-positioning pneumatic tool, wherein the valve body 6 has a structure shown in fig. 16, and comprises a main body in a substantially annular column shape, the main body is provided with a central hole 60, and assembling through holes 61 are uniformly distributed around the main body.

The utility model provides a pneumatic frock of auto steering ware valve body processing self-align mainly includes base 1 that is the cuboid form roughly, and 1 top of base has the working face 10 of level setting, has a plurality of processing stations on this working face 10, has the positioning disk 2, axial positioning subassembly 3 and the circumference locating component 4 that set up with each processing station one-to-one on the base 1.

Specifically, as shown in the figure, each processing station on the base 1 is provided with a processing positioning hole 15, the top of the processing positioning hole 15 is open, the bottom of the processing positioning hole 15 is obliquely arranged and penetrates through the front side of the base 1, so that a chip removal hole channel 12 is formed, and waste chips falling into the processing positioning hole 15 are clamped and are collected and processed quickly and intensively more easily.

The upper end of processing locating hole 15 has heavy platform, and positioning disk 2 passes through the fix with screw and sinks on the platform, and with processing locating hole 15 coaxial setting basically, have the via hole 20 that suits with 6 tip sizes of valve body on the positioning disk 2, the positioning disk 2 outside has the groove 21 of dodging that sets up with processing assembly perforation 61 one-to-one simultaneously, dodge groove 21 and pass through with via hole 20, axial positioning component 3 includes vertical axial cylinder 30 and the clamp plate 31 that sets up, the piston rod of axial cylinder 30 is up, its tip has pressure head 300, can compress tightly the valve body that is located on positioning disk 2 through clamp plate 31, circumference locating component 4 is used for fixing the circumference of valve body, and after the location is accomplished, the lower extreme of valve body 6 stretches into in the via hole 20, and assembly perforation 61 is just right to one-to-one with dodging groove 21.

Referring to fig. 1, 8 and 14, in this embodiment, the pressure plate 31 is substantially plate-shaped, and a boss 310 adapted to the central hole 60 of the valve body is provided at the bottom of the pressure plate, when the boss 310 is inserted into the central hole 60, a horizontal shaking gap between the boss 310 and the central hole 60 can be greatly reduced, a rectangular notch 311 formed along a radial direction of the pressure plate 31 is provided on the pressure plate 31, a projection of the pressure head 300 is at least partially located outside the rectangular notch 311 to ensure that the pressure head 300 can be pressed onto the pressure plate 31, a limiting section 301 adapted to the rectangular notch 311 is provided at an upper end of a piston rod of the axial cylinder 30, a pulling head 312 is provided at a position on the pressure plate 31 away from an open end of the rectangular notch 311, and the limiting section 301 cooperates with the rectangular notch 311 to realize the limitation of the circumferential rotation freedom of the pressure plate 31, and ensure that the pressure plate can only move up and down, or horizontally move through the open end of the rectangular notch 311 to exit.

Referring to fig. 1, 8 to 11 and 12, circumference locating component 4 mainly includes the splint 41 along the radial setting of positioning disk 2 in this application, and be used for the drive splint 41 is just to the transverse cylinder 40 that positioning disk 2 radially slided, as shown in the figure, splint 41 is close to 2 one end of positioning disk and has the arm lock 411 that two symmetries set up, arm lock 411 slope sets up, space between two arm lock 411 constitutes trapezoidal notch 410, trapezoidal notch 410 is located positioning disk 2 top, it can be under transverse cylinder 40 effect towards the valve body that is located positioning disk 2 just to remove to support tightly with valve body circumference outer wall.

For further improving the clamping and positioning effect, the positioning columns 412 are arranged in the trapezoidal notches 410 along the length direction (the moving direction of the clamping plate 41), the positioning columns 412 are arranged in one-to-one correspondence with the clamping arms 411, the clamping openings 413 are formed by the gaps between the clamping arms 411 and the corresponding positioning columns 412, and when the clamping is fixed, the clamping openings 413 can be abutted against the outer side wall of the assembly through hole 61, so that the clamping point position is increased, and the positioning effect is improved.

In this embodiment, the positioning post 412 is a stud, and is in threaded fit with the clamping plate 41, so that the length of the positioning post 412 can be adjusted as required to meet more requirements.

Referring to fig. 6 to 11, in this embodiment, the base 1 has a mounting groove 11 corresponding to the transverse cylinder 40 one by one, the top and the rear side of the mounting groove 11 are open, a slide seat 42 detachably disposed is disposed in the mounting groove 11, the slide seat 42 is fixedly disposed relative to the base 1, a slide table 43 slidably engaged with the slide seat 42 is disposed on the slide seat 42, a direction in which the slide table 43 can slide is parallel to a direction of the clamp plate 41, the slide table 43 is connected to a piston rod of the transverse cylinder 40 and can be close to or away from the positioning plate 2 under the action of the transverse cylinder 40, the clamp plate 41 is slidably engaged with the slide table 43, a sliding direction of the clamp plate 41 is perpendicular to an extending direction of the piston rod of the transverse cylinder 40, the clamp plate 41 and the slide table 43 are relatively fixed by a fastening screw 44, wherein the clamp plate 41 is provided with a bar-shaped through hole 414 corresponding to the fastening screw 44, the slide engagement structure between the clamp plate 41 and the slide table 43 is utilized to achieve relative fixation of the two positions, and then fine adjustment of the clamp plate 41 in the bar-shaped through hole 414 can be achieved, which fine adjustment of the fastening screw 41 in a direction perpendicular to the extension direction of the extension thereof is perpendicular to facilitate improvement of the positioning accuracy.

The rear side of the mounting groove 11 is provided with a sealing plate 14, one sealing plate 14 seals the rear side of all the mounting grooves 11 and is fixedly connected with the base 1, and the transverse cylinder 40 is fixedly arranged on the sealing plate 14 so as to be convenient for integral disassembly, assembly, replacement and the like.

Be provided with four processing station on the base 1 of this application, for further improvement machining efficiency, so axial cylinder 30 and transverse cylinder 40's air supply is through same sequence valve 5 control, base 1 bottom have with uncovered fretwork chamber 13 down, axial cylinder 30 is located fretwork chamber 13, transverse cylinder 40 is located base 1's rear side, sequence valve 5 is located base 1's one end, rationally optimize the structure, be favorable to reducing whole weight and space and occupy etc..

Referring to fig. 1 to 17, when the self-positioning pneumatic tool for machining the automobile steering gear valve body is used, the piston rod of the axial cylinder 30 is in an extending posture, the pressure head 300 is in a high position, the piston rod of the transverse cylinder 40 is in a contracting posture, the clamp plate 41 is in a far position relative to the positioning disc 2, the valve body 6 to be machined is placed on the positioning disc 2, the assembling through holes 61 are opposite to the avoiding grooves 21 one by one, after all the valve bodies 6 are placed in place, the pressure plate 31 is placed at the top of the valve body 6, the rectangular notch 311 on the pressure plate 31 is just clamped to the limiting end 301, the piston rods of all the axial cylinders 30 are firstly controlled to contract through the sequence valve 5 until the pressure head 300 compresses the pressure plate 31, then the transverse cylinder 40 is controlled to work to push the clamp plate 41 to the valve body 6, and the outer sides of two adjacent assembling through holes 61 are tightly abutted by the clamping ports 413 formed by the positioning columns 412 and the clamping arms 411, so as to further limit the horizontal rotation of the valve body 6.

After the processing is finished, the sequence valve 5 is used for sequentially controlling the transverse cylinder 40 and the axial cylinder 30 to reset, the limitation on the valve body 6 is removed, and the valve body 6 can be taken away after the pressing plate 31 is taken away.

Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.

Claims (10)

1. The utility model provides a pneumatic frock of auto steering ware valve body processing self-align, includes base (1), base (1) top has working face (10) that the level set up, has a plurality of processing stations on this working face (10), its characterized in that: have on base (1) with each positioning disk (2), axial positioning subassembly (3) and circumference locating component (4) that processing station one-to-one set up, wherein have via hole (20) that suit with the valve body tip on positioning disk (2), axial positioning subassembly (3) are including axial cylinder (30) and clamp plate (31) of vertical setting, the piston rod of axial cylinder (30) up, its tip has pressure head (300), can compress tightly through clamp plate (31) the valve body that is located on positioning disk (2), circumference locating component (4) are used for the circumference fixed to the valve body.

2. The automobile steering gear valve body machining self-positioning pneumatic tool according to claim 1, characterized in that: the pressure plate (31) is plate-shaped, and the bottom of the pressure plate is provided with a boss (310) matched with the central hole of the valve body.

3. The automatic pneumatic frock of location of auto steering ware valve body processing according to claim 1 or 2, characterized in that: the axial air cylinder is characterized in that a rectangular notch (311) formed in the pressing plate (31) in the radial direction of the pressing plate is provided, the upper end of a piston rod of the axial air cylinder (30) is provided with a limiting section (301) matched with the rectangular notch (311), and a drawing head (312) is arranged at a position, far away from the opening end of the rectangular notch (311), on the pressing plate (31).

4. The automobile steering gear valve body machining self-positioning pneumatic tool according to claim 1, characterized in that: circumference locating component (4) include splint (41) along the radial setting of positioning disk (2), and be used for the drive splint (41) are just to transverse cylinder (40) of positioning disk (2) radial sliding, splint (41) are close to positioning disk (2) one end and have trapezoidal notch (410), trapezoidal notch (410) are located positioning disk (2) top, and it can be under transverse cylinder (40) effect towards the valve body that is located positioning disk (2) just to the removal to support tightly with valve body circumference outer wall.

5. The automobile steering gear valve body machining self-positioning pneumatic tool according to claim 4, characterized in that: both sides of trapezoidal notch (410) are symmetry setting arm lock (411), have reference column (412) that set up along its length direction in trapezoidal notch (410), and reference column (412) and arm lock (411) one-to-one set up to form centre gripping mouth (413).

6. The automobile steering gear valve body machining self-positioning pneumatic tool according to claim 5, characterized in that: the positioning column (412) is a stud and is in threaded fit with the clamping plate (41).

7. The automobile steering gear valve body machining self-positioning pneumatic tool according to any one of claims 4 to 6, characterized in that: the base (1) is provided with mounting grooves (11) which are arranged in one-to-one correspondence with the transverse cylinders (40), a slide seat (42) which is arranged in a detachable mode is arranged in each mounting groove (11), the slide seat (42) is provided with a slide table (43) which is in sliding fit with the slide seat, the slide table (43) is connected with a piston rod of each transverse cylinder (40), and the slide table can be close to or far away from the positioning disc (2) under the action of the transverse cylinders (40);

splint (41) and slip table (43) sliding fit, the slip direction of splint (41) and horizontal cylinder (40) piston rod extending direction mutually perpendicular, pass through fastening screw (44) relatively fixed between splint (41) and slip table (43), wherein correspond fastening screw (44) on splint (41) and be provided with bar perforation (414).

8. The automobile steering gear valve body machining self-positioning pneumatic tool according to claim 1, characterized in that: the base (1) is provided with chip removal channels (12) which are arranged in one-to-one correspondence with the positioning disc (2).

9. The automobile steering gear valve body machining self-positioning pneumatic tool according to claim 4, characterized in that: the air sources of all the axial cylinders (30) and the transverse cylinders (40) are controlled by the same sequence valve (5).

10. The automobile steering gear valve body machining self-positioning pneumatic tool according to claim 9, characterized in that: base (1) bottom have with uncovered fretwork chamber (13) down, axial cylinder (30) are located fretwork chamber (13), and horizontal cylinder (40) are located the rear side of base (1), and sequence valve (5) are located the one end of base (1).

Images