CN212217835U

CN212217835U - Tooling for processing upper hole of special-shaped servo piston

Info

Publication number: CN212217835U
Application number: CN202020660523.XU
Authority: CN
Inventors: 胡锦泉
Original assignee: Yancheng Xinsisheng Metal Products Co ltd
Current assignee: Yancheng Xinsisheng Metal Products Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-12-25
Anticipated expiration: 2030-04-26

Abstract

The utility model discloses a frock is used in spot facing work on servo piston of dysmorphism type, include: the device comprises a base, a pressing assembly, a tensioning assembly, a supporting seat and a movable pressing plate assembly, wherein the tensioning assembly, the supporting seat and the movable pressing plate assembly are arranged on the base; the pressing assembly is arranged in the accommodating groove to press the piston section of the servo piston; the tensioning assembly is positioned on one side of the vertical plate and used for axially positioning a piston section of the servo piston; the supporting seat is detachably connected with the base and is positioned on the other side of the vertical plate, and an inclined wedge type floating assembly used for supporting the tail end of the servo piston is arranged in the supporting seat; the movable pressing plate assembly is arranged close to the supporting seat and is abutted against the top of the tail end of the servo piston. The utility model discloses a frock processing location is accurate, axial positioning is reliable and stable, and whole clamping system safety, stable, reliable, has effectively improved product processingquality and efficiency.

Description

Tooling for processing upper hole of special-shaped servo piston

Technical Field

The utility model relates to a piston processing auxiliary assembly technical field, particularly, frock is used in spot facing work on in particular to servo piston of dysmorphism type.

Background

At present, a hole machining tool for a servo piston of a special-shaped hydraulic motor mainly adopts a common V-shaped block for supporting and pressing a pressing plate, and a large end face of a part is axially positioned. And performing working procedures such as drilling, hole milling, boring and the like on the machining center.

The servo piston belongs to the part with higher precision in the whole hydraulic motor, and the requirements on the diameter and the position degree of a pin hole are high.

The clamping mode has the defects of low positioning precision, difficulty in controlling the position degree requirement of the hole and the like in actual production. According to the design requirements of parts, the diameter tolerance of a pin hole at the tail part of the part is phi 9+0.08/+0.05, the position degree phi of the central line of the hole relative to a piston part is 0.08, and in addition, the phenomenon of tool vibration is easy to generate during hole machining, so that the defects of vibration lines and the like exist on the machined surface of the hole.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. In view of this, the utility model discloses need to provide a frock is used in hole machining on the special-shaped type servo piston that the processing location is accurate, axial positioning is reliable and stable, and whole clamping system safety, stability, reliable effectively improves product processingquality and efficiency.

The utility model provides a frock is used in spot facing work on servo piston of dysmorphism type for servo piston's is fixed, include: the device comprises a base, a pressing assembly, a tensioning assembly, a supporting seat and a movable pressing plate assembly, wherein the tensioning assembly, the supporting seat and the movable pressing plate assembly are arranged on the base; the pressing assembly is arranged in the accommodating groove to press the piston section of the servo piston; the tensioning assembly is positioned on one side of the vertical plate and used for axially positioning a piston section of the servo piston; the supporting seat is detachably connected with the base and is positioned on the other side of the vertical plate, and an inclined wedge type floating assembly used for supporting the tail end of the servo piston is arranged in the supporting seat; the movable pressing plate assembly is close to the supporting seat and is abutted to the top of the tail end of the servo piston.

According to the utility model discloses an embodiment, further include angular position reference piece, angular position reference piece detachably establishes on the base, and be located the riser with between the supporting seat, and be close to the riser setting.

According to the utility model discloses an embodiment, compress tightly the subassembly and include compact heap and first regulation pole, the compact heap is established in the holding tank, just be equipped with V type indent on the compact heap, first regulation pole threaded connection be in on the riser, its lower extreme with the compact heap rotates the joint.

According to the utility model discloses an embodiment, taut subassembly includes locating plate, synchronous adjustment mechanism and straining rod, the locating plate butt is in on the holding tank, be equipped with positioning groove on the locating plate, synchronous adjustment mechanism establishes on the riser and encircle the locating plate sets up, straining rod threaded connection be in on the synchronous adjustment mechanism, its one end with the locating plate butt.

According to the utility model discloses an embodiment, carve formula floating assembly to one side includes unsteady post, elasticity top retainer, check lock lever and second regulation pole, unsteady post inlays to be located in the supporting seat, the lateral wall of unsteady post is equipped with the lock angle of carving the formula to one side, elasticity top retainer is located the supporting seat with between the unsteady post, the check lock lever slides to be located in the supporting seat, its one end with the lock angle butt, the other end with the butt is adjusted to the second, second regulation pole threaded connection is in on the supporting seat.

According to the utility model discloses an embodiment, it includes threaded connection to remove the clamp plate subassembly ejector pin and depression bar on the supporting seat and remove the curved clamp plate, be equipped with the horizontal adjustment hole on removing the curved clamp plate, its one end with servo piston's afterbody butt, the other end with the top butt of ejector pin, the top of depression bar is passed compress tightly with adjusting nut behind the horizontal adjustment hole remove the curved clamp plate.

According to the utility model discloses an embodiment, first regulation pole bottom is equipped with concave type annular, the compact heap top be equipped with concave type annular cooperation is used rotates the recess.

According to the utility model discloses an embodiment, synchronous adjusting mechanism includes connecting rod, third regulation pole and straining block, wherein straining rod threaded connection is in on the connecting rod, straining block with the connecting rod is established separately the both sides of riser, just straining block can with servo piston's piston section excircle avris butt.

According to an embodiment of the present invention, the floating column is provided with a longitudinal guide groove, and the support seat is inserted with a longitudinal guide column used in cooperation with the longitudinal guide groove; the locking rod is provided with a transverse guide groove, and a transverse guide column matched with the transverse guide groove for use is inserted into the supporting seat.

According to the utility model discloses an embodiment, elasticity top member is high strength spring, the cover is equipped with return spring on the check lock lever.

The utility model discloses a special-shaped servo piston goes up hole processing and uses through positioning groove and compact heap cooperation on the locating plate in the tensioning assembly of hook type structure, makes servo piston's axial positioning more reliable and stable, has effectively solved the unreliable problem of axial positioning that leads to in the follow-up course of working; the inclined wedge type floating assembly and the movable pressing plate assembly in the supporting seat are matched for use, namely, the inclined wedge type locking angle between the floating column and the locking rod is used for locking the floating column, the movable bent pressing plate is used for abutting against the top surface of the tail end of the servo piston, the positioning problem of the tail end of the servo piston is effectively solved, parts can completely meet the positioning and clamping requirements necessary for machining in the whole clamping system, and the special-shaped servo piston clamping device is safe, stable and reliable and effectively improves the machining quality and efficiency of special-shaped servo pistons.

Drawings

Fig. 1 is a perspective view of a tooling for processing an upper hole of a special-shaped servo piston according to the present invention.

Fig. 2 is a front view of fig. 1.

Fig. 3 is a sectional view taken in the direction of a-a in fig. 2.

Fig. 4 is a top view of fig. 1.

Fig. 5 is a sectional view taken in the direction B-B in fig. 4.

Fig. 6 is a schematic perspective view of the compressing assembly and the drawing assembly according to the present invention.

Fig. 7 is a schematic structural diagram of a three-dimensional state of the wedge-type floating assembly and the movable platen assembly according to the present invention.

Reference numerals: 1-a base; 2-a compression assembly; 3-a tensioning assembly; 4-a support seat; 5-moving the platen assembly; 6-a slanting wedge type floating assembly; 7-angular position reference block; 10-a servo piston; 11-a vertical plate; 21-a compaction block; 22-a first adjustment lever; 31-a positioning plate; 32-a synchronous adjustment mechanism; 33-a tension bar; 41-longitudinal guide post; 42-transverse guide posts; 51-a top rod; 52-a pressure bar; 53-moving the curved platen; 54-an adjusting nut; 61-a floating column; 62-elastic top member (high strength spring); 63-a locking lever; 64-a second adjustment lever; 65-a return spring; 111-a receiving tank; 211-rotating the recess; 221-concave ring groove; 311-positioning grooves; 321-a connecting rod; 322-third adjustment bar; 323-a tensioning block; 611-locking angle; 612-longitudinal guide grooves; 631-lateral guide groove.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 7, a tooling for processing an upper hole of a special-shaped servo piston is used for fixing the servo piston 10 of a special-shaped hydraulic motor, and comprises: the device comprises a base 1, a pressing component 2, a tensioning component 3, a supporting seat 4 and a movable pressing plate component 5 which are arranged on the base 1, wherein a vertical plate 11 is arranged on the base 1, an accommodating groove 111 is arranged on the vertical plate 11, and the bottom of the accommodating groove 111 is designed to be of a V-shaped structure, so that the servo piston 10 can be conveniently positioned and clamped; the pressing component 2 is arranged in the accommodating groove 11 to press the piston section of the servo piston 10; the tensioning assembly 3 is positioned on one side of the vertical plate 11 and is used for axially positioning a piston section of the servo piston 10; the supporting seat 4 is detachably connected with the base 1 and is positioned on the other side of the vertical plate 11, and an inclined wedge type floating assembly 6 for supporting the tail end of the servo piston 10 is arranged in the supporting seat 4; the movable platen assembly 5 is disposed adjacent to the support base 4 and abuts against the top of the rear end of the servo piston 10.

The utility model discloses a special-shaped type servo piston upper hole processing is with frock, through positioning groove 311 and compact heap 21 cooperation use on the locating plate 31 in the tensioning assembly 3 of hook type structure, makes the axial positioning of servo piston 10 more reliable and more stable, has effectively solved the unreliable problem of axial positioning that leads to in the follow-up course of working; the inclined wedge type floating assembly 6 and the movable pressing plate assembly 5 in the supporting seat 4 are used in a matched mode, namely the inclined wedge type locking angle 611 between the floating column 64 and the locking rod 63 is used for locking the floating column 61, the movable bending pressing plate 53 is used for abutting against the top surface of the tail end of the servo piston 10, the problem of positioning of the tail end of the servo piston is effectively solved, parts can completely meet the positioning and clamping requirements necessary for machining in the whole clamping system, and the movable bending pressing plate is safe, stable and reliable and effectively improves the machining quality and efficiency of the special-shaped servo piston.

As shown in fig. 1 and 2, the tool further comprises an angular position reference block 7, the angular position reference block 7 is detachably disposed on the base 1, is located between the vertical plate 11 and the supporting seat 4, and is disposed close to the vertical plate 11, and during the rotational positioning process of the servo piston 10, the horizontal adjustment of the plane where the hole to be machined is located on the servo piston 10 is facilitated.

As shown in fig. 1, fig. 2 and fig. 6, the compressing assembly 2 includes a compressing block 21 and a first adjusting rod 22, the compressing block 21 is disposed in the accommodating groove 111, and a V-shaped pressing groove is disposed on the compressing block 21, the first adjusting rod 22 is screwed on the vertical plate 11, and the lower end of the first adjusting rod is rotatably connected to the compressing block 21, wherein a concave ring groove 221 is disposed at the bottom of the first adjusting rod 22, a rotating groove 211 used in cooperation with the concave ring groove 221 is disposed at the top end of the compressing block 21, that is, the V-shaped groove of the compressing block 21 is matched or separated with a V-shaped structure at the lower end of the vertical plate 11 by screwing or unscrewing the first adjusting rod 22, so as to fix or loosen the servo.

As shown in fig. 1 to 6, the tensioning assembly 3 includes a positioning plate 31, a synchronous adjusting mechanism 32 and a tensioning rod 33, the positioning plate 31 is abutted on the receiving groove 111, a positioning groove 311 is provided on the positioning plate 31, the synchronous adjusting mechanism 32 is provided on the upright plate 11 and is disposed around the positioning plate 31, the tensioning rod 33 is screwed on the synchronous adjusting mechanism 32, one end of the tensioning rod 33 is abutted on the positioning plate 31, wherein the synchronous adjusting mechanism 32 includes a connecting rod 321, a third adjusting rod 322 and a tensioning block 323, wherein the tensioning rod 33 is screwed on the connecting rod 321, the tensioning block 323 and the connecting rod 321 are respectively disposed on both sides of the upright plate 11, and the tensioning block 323 can be abutted on the outer circumferential side of the piston section of the servo piston 10, it should be understood that the connecting rod 321 is longitudinally horizontally disposed and spaced apart from and parallel to the positioning plate 31, both ends of the connecting rod 321 are respectively sleeved on the two third adjusting rods 322, the other end of the, after the piston section of the servo piston 10 is inserted into the positioning groove 311, the tensioning block 323 moves towards the outer circle side of the piston section of the servo piston 10 by screwing the tensioning rod 22 until the tensioning block 323 abuts against the outer circle side, so that the parts are quickly tensioned, and the compression block 21 is matched to perform axial positioning on the servo piston 10 safely, quickly and stably.

As shown in fig. 1, 5 and 7, the slanting wedge type floating assembly 6 includes a floating column 61, an elastic propping member 62, a locking rod 63 and a second adjusting rod 64, the floating column 61 is embedded in the supporting seat 4, the side wall of the floating column 61 is provided with a slanting wedge type locking angle 611, the elastic propping member 62 is located between the supporting seat 4 and the floating column 61, the locking rod 63 is slidably arranged in the supporting seat 4, one end of the locking rod 63 abuts against the locking angle 611, the other end of the locking rod abuts against the second adjusting rod 64, the second adjusting rod 64 is in threaded connection with the supporting seat 4, wherein the elastic propping member 62 is a high-strength spring, the locking rod 63 is sleeved with a return spring 65 for automatically returning the locking rod 63, when the plane where the hole to be processed of the servo piston 10 is located is adjusted to be horizontal by a level gauge, the second adjusting rod 64 is adjusted to make the top surface of the floating column 61 abut against the bottom surface of the tail end of the servo piston 10, the inclined surface locking by the locking angle 611 makes the top end of the floating column 61 abut against the servo piston 10 more firmly and stably.

As shown in fig. 1, 2, 4 and 7, the movable platen assembly 5 includes an ejector rod 51 and a press rod 52 which are screwed on the support seat 4, and a movable curved platen 53, the movable curved platen 53 is provided with a horizontal adjusting hole, one end of the horizontal adjusting hole is abutted against the tail of the servo piston 10, the other end of the horizontal adjusting hole is abutted against the top end of the ejector rod 51, the top end of the press rod 52 penetrates through the horizontal adjusting hole and then presses the movable curved platen 53 with an adjusting nut 54, when the plane where the hole to be processed of the servo piston 10 is located is adjusted to be horizontal, the floating column 61 is abutted against the servo piston 10, the second adjusting rod 64 is screwed, the movable curved platen 53 is abutted against the top surface of the tail end of the servo piston 10, and then the adjusting nut 54 is screwed to complete the firm.

As shown in fig. 7, the floating column 61 is provided with a longitudinal guide groove 612, and the support base 4 is inserted with a longitudinal guide column 41 used in cooperation with the longitudinal guide groove 612; the locking rod 63 is provided with a transverse guide groove 631, the support seat 4 is inserted with a transverse guide column 42 matched with the transverse guide groove 631, it should be understood that the longitudinal guide column 42 is used for the floating column 61 to move linearly along the vertical direction, the transverse guide column 42 is convenient for the locking rod 63 to move along the horizontal direction, and the two are matched for use, so that the inclined surface locking of the inclined wedge type locking angle 611 is more accurate and stable.

As shown in fig. 1 to 7, the specific operation process of the tooling for processing the upper hole of the special-shaped servo piston of the utility model is as follows: the excircle of the piston section of the servo piston 10 is placed in a V-shaped structure of a vertical plate 11 for positioning, a tensioning rod 33 is adjusted, a positioning groove 311 on a positioning plate 31 is buckled into the piston section, the end face axial positioning of the servo piston 10 is carried out, the servo piston 10 is rotated, the plane of the position of a hole to be processed of the servo piston 10 is in a horizontal state, the tensioning rod 33 can be finely adjusted through a level meter, two tensioning blocks 323 are abutted against the edge side of the excircle of the piston section of the servo piston 10, a first adjusting rod 22 is adjusted again, a pressing block 21 presses the servo piston 10, a second adjusting rod 64 and an adjusting nut 53 are adjusted, a floating column 61 is matched with and moves a bent pressing plate 53, the tail end of the servo piston 10 is quickly pressed, and the overall fixing of the servo piston 10 is completed.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a frock is used in spot facing work on dysmorphism type servo piston for servo piston's is fixed, its characterized in that includes: the device comprises a base, a pressing assembly, a tensioning assembly, a supporting seat and a movable pressing plate assembly, wherein the tensioning assembly, the supporting seat and the movable pressing plate assembly are arranged on the base; the pressing assembly is arranged in the accommodating groove to press the piston section of the servo piston; the tensioning assembly is positioned on one side of the vertical plate and used for axially positioning a piston section of the servo piston; the supporting seat is detachably connected with the base and is positioned on the other side of the vertical plate, and an inclined wedge type floating assembly used for supporting the tail end of the servo piston is arranged in the supporting seat; the movable pressing plate assembly is close to the supporting seat and is abutted to the top of the tail end of the servo piston.

2. The tooling for drilling the special-shaped servo piston as claimed in claim 1, further comprising an angular position reference block, wherein the angular position reference block is detachably arranged on the base, is positioned between the vertical plate and the support seat, and is arranged close to the vertical plate.

3. The tooling for processing the upper hole of the special-shaped servo piston according to claim 1, wherein the pressing assembly comprises a pressing block and a first adjusting rod, the pressing block is arranged in the accommodating groove, the pressing block is provided with a V-shaped pressing groove, the first adjusting rod is in threaded connection with the vertical plate, and the lower end of the first adjusting rod is in rotary clamping connection with the pressing block.

4. The tooling for punching the special-shaped servo piston according to claim 1, wherein the tensioning assembly comprises a positioning plate, a synchronous adjusting mechanism and a tensioning rod, the positioning plate abuts against the accommodating groove, a positioning groove is formed in the positioning plate, the synchronous adjusting mechanism is arranged on the vertical plate and surrounds the positioning plate, the tensioning rod is connected to the synchronous adjusting mechanism in a threaded manner, and one end of the tensioning rod abuts against the positioning plate.

5. The tooling for drilling the special-shaped servo piston as claimed in claim 1, wherein the inclined wedge type floating assembly comprises a floating column, an elastic jacking member, a locking rod and a second adjusting rod, the floating column is embedded in the supporting seat, the side wall of the floating column is provided with an inclined wedge type locking angle, the elastic jacking member is positioned between the supporting seat and the floating column, the locking rod is slidably arranged in the supporting seat, one end of the locking rod abuts against the locking angle, the other end of the locking rod abuts against the second adjusting rod, and the second adjusting rod is in threaded connection with the supporting seat.

6. The tooling for processing the upper hole of the special-shaped servo piston according to claim 1, wherein the movable pressing plate assembly comprises an ejector rod, a pressing rod and a movable bending pressing plate, the ejector rod and the pressing rod are in threaded connection with the supporting seat, a horizontal adjusting hole is formed in the movable bending pressing plate, one end of the horizontal adjusting hole is abutted against the tail portion of the servo piston, the other end of the horizontal adjusting hole is abutted against the top end of the ejector rod, and the top end of the pressing rod penetrates through the horizontal adjusting hole and then presses the movable bending pressing plate tightly through an adjusting nut.

7. The tooling for machining the upper hole of the special-shaped servo piston as claimed in claim 3, wherein a concave ring groove is formed at the bottom of the first adjusting rod, and a rotary groove matched with the concave ring groove is formed at the top end of the pressing block.

8. The tooling for drilling the special-shaped servo piston as claimed in claim 4, wherein the synchronous adjusting mechanism comprises a connecting rod, a third adjusting rod and a tensioning block, wherein the tensioning rod is connected to the connecting rod in a threaded manner, the tensioning block and the connecting rod are respectively arranged on two sides of the vertical plate, and the tensioning block can be abutted against the outer circle side of the piston section of the servo piston.

9. The tooling for processing the upper hole of the special-shaped servo piston as claimed in claim 5, wherein the floating column is provided with a longitudinal guide groove, and the support seat is inserted with a longitudinal guide column matched with the longitudinal guide groove; the locking rod is provided with a transverse guide groove, and a transverse guide column matched with the transverse guide groove for use is inserted into the supporting seat.

10. The tooling for processing the upper hole of the special-shaped servo piston as claimed in claim 5, wherein the elastic jacking piece is a high-strength spring, and a return spring is sleeved on the locking rod.