CN213003887U

CN213003887U - Vertical lathe clamp for disc parts

Info

Publication number: CN213003887U
Application number: CN202021584281.7U
Authority: CN
Inventors: 张锋
Original assignee: Zhuzhou Juncheng Precision Manufacturing Co ltd
Current assignee: Zhuzhou Juncheng Precision Manufacturing Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-04-20
Anticipated expiration: 2030-08-03

Abstract

The utility model relates to a dish type parts machining anchor clamps technical field just discloses a merry go round machine anchor clamps of dish type part, comprising a base plate, the internal thread hole has been seted up to the upper surface left end of bottom plate, the last fixed surface of bottom plate installs the supporting seat, fixing hole has been seted up to the bottom left end of supporting seat, the last fixed surface of supporting seat is connected with anchor clamps dish. This merry go round machine anchor clamps of dish class part through locking three-jaw chuck, makes the work piece be fixed in on the anchor clamps dish, looses to the supporting pin of activity elastic support pin device one by one again, and the elastic support pin is laminated self-adaptation and work piece terminal surface, under the effect of inside preset pressure spring, realizes that the course of working keeps certain holding power all the time, and leads to having the problem in clearance with the work piece to appear, adopts activity supporting pin multiple spot equipartition to support thin wall department terminal surface, effectively solves the work piece processing supporting shoe and has the clearance and the problem of inefficacy to machining precision has been improved.

Description

Vertical lathe clamp for disc parts

Technical Field

The utility model relates to a dish type parts machining anchor clamps technical field specifically is a vertical lathe anchor clamps of dish type part.

Background

With the continuous development of numerical control technology, higher requirements are put on the machining precision and the surface quality of aviation parts, particularly high quality, light weight and long service life, which are the goals pursued by the development of aero-engines, and the basis for achieving the goals is to improve the manufacturing precision and quality. The disk part is a key connecting piece for parts of the aircraft engine, so that the overall weight of the engine is reduced, and the performance of the engine is improved. The clamping fixture has the advantages that the large-wall thin disc workpiece with the diameter larger than 500mm and the minimum wall thickness smaller than 5mm is easy to deform in the machining process, and the plane precision is difficult to guarantee, so that the effective clamping fixture for machining the large disc workpiece parts plays a key role, a pressing plate is adopted to be fixed on a rotary worktable of a vertical lathe after a workpiece rotary center is generally calibrated for clamping the large disc workpiece with a boss, a plurality of equal-height sizing blocks are adopted to support the circumferential thin wall, and the purpose of preventing deformation of the workpiece in fixing and supporting is achieved.

In the existing clamping of disc workpieces, in the actual machining process, due to the continuous change of part deformation, a gap exists between a supporting sizing block and a machined workpiece, part of the supporting sizing block is in a failure state, the machining precision cannot be effectively controlled, and because the workpiece is directly fixed on a rotary worktable, the clamping of each workpiece needs to repeatedly calibrate the rotary center of the workpiece, the requirement on the skill of an operator is high, the clamping time is long, and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a merry go round machine anchor clamps of disk part to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a merry go round machine anchor clamps of dish part, includes the bottom plate, the internal thread hole has been seted up to the upper surface left end of bottom plate, the last fixed surface of bottom plate installs the supporting seat, fixing hole has been seted up to the bottom left end of supporting seat, the last fixed surface of supporting seat is connected with anchor clamps dish, the last fixed surface of anchor clamps dish installs movable elastic support pin device, the inside fixed mounting of supporting seat has three-jaw chuck, the last surface swing joint of three-jaw chuck has special soft claw, the work piece has been placed to the upper surface of anchor clamps dish.

Preferably, the fixing bolts are inserted into the fixing through holes, the lower ends of the fixing bolts are in threaded connection with the internal thread holes in the bottom plate, the fixing through holes are arranged on the edge of the upper surface of the bottom of the supporting seat at equal intervals, and the internal thread holes are the same as the fixing through holes in number and are arranged on the edge of the upper surface of the bottom plate at equal intervals.

Preferably, the upper surface edge of the bottom plate and the upper surface edge of the bottom of the supporting seat are provided with through holes, connecting bolts are inserted into the through holes, and the bottom ends of the connecting bolts are in threaded connection with the upper surface of the vertical lathe workbench.

Preferably, the number of the special soft claws is that three special soft claws are uniformly distributed on the upper surface of the three-claw chuck at an angle in the circumferential direction, and the upper surface of each special soft claw is provided with workpiece aperture positioning and end face positioning.

Preferably, the movable elastic support pin devices are equally distributed on the upper surface of the clamp disc and are arranged in two radial circles.

Compared with the prior art, the utility model provides a vertical lathe anchor clamps of disk part. The method has the following beneficial effects:

1. this vertical lathe anchor clamps of disc part, through laminating work piece locating hole and terminal surface with special soft claw locating surface of anchor clamps, and lock three-jaw chuck, make the work piece be fixed in on the anchor clamps dish, loose the supporting pin to activity elastic supporting pin device one by one again, elastic supporting pin is with self-adaptation and work piece terminal surface laminating, under the effect of inside preset pressure spring, realize that the course of working keeps certain holding power all the time, prevent to warp because of the part in the course of working lasting change, and the problem that leads to having the clearance with the work piece appears, adopt the multiple spot equipartition of activity supporting pin to support thin wall department terminal surface, effectively solve work piece processing supporting shoe and have the clearance and the problem of inefficacy, thereby machining precision has been improved.

2. This vertical lathe anchor clamps of disc part through laminating work piece locating hole and terminal surface and special soft claw locating surface of anchor clamps to locking three-jaw chuck, make the work piece be fixed in on the anchor clamps dish, utilize three-jaw chuck centre gripping work piece among the frock clamp, play work piece self-centering, in using three-jaw chuck to anchor clamps, can realize the central location of batch work piece processing, solve every time that the operator goes to school table to center of gyration and clamping worker, improve work piece clamping efficiency, three-jaw chuck can reduce anchor clamps preparation and maintenance cost simultaneously.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic view of the cross-sectional structure of the workpiece according to the present invention.

In the figure: the device comprises a movable elastic supporting pin device 1, a three-jaw chuck 2, a special soft jaw 3, a fixing bolt 4, a supporting seat 5, a bottom plate 6, a fixing through hole 7, an internal threaded hole 8, a connecting bolt 9, a clamp plate 10 and a workpiece 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a vertical lathe clamp for disc parts comprises a bottom plate 6, wherein the left end of the upper surface of the bottom plate 6 is provided with an internal threaded hole 8, the upper surface of the bottom plate 6 is fixedly provided with a supporting seat 5, the edge of the upper surface of the bottom plate 6 and the edge of the upper surface of the bottom of the supporting seat 5 are both provided with through holes, connecting bolts 9 are inserted into the through holes, the bottom ends of the connecting bolts 9 are in threaded connection with the upper surface of a vertical lathe workbench, the left end of the bottom of the supporting seat 5 is provided with fixing through holes 7, fixing bolts 4 are inserted into the fixing through holes 7, the lower ends of the fixing bolts 4 are in threaded connection with the internal threaded hole 8 on the bottom plate 6, a plurality of fixing through holes 7 are respectively and equidistantly arranged at the edge of the upper surface of the bottom of the supporting seat 5, the number of the internal threaded holes 8 is the same as that of the fixing through, the upper surface of a clamp disc 10 is fixedly provided with movable elastic supporting pin devices 1, the movable elastic supporting pin devices 1 are evenly distributed on the upper surface of the clamp disc 10 according to 8 equal parts and are arranged in two circles in the radial direction, a three-jaw chuck 2 is fixedly arranged in a supporting seat 5, the upper surface of the three-jaw chuck 2 is movably connected with special soft jaws 3, the number of the special soft jaws 3 is 3, the three special soft jaws are evenly distributed and movably arranged on the upper surface of the three-jaw chuck 2 in the circumferential direction at 120 degrees, the upper surface of each special soft jaw is provided with workpiece aperture positioning and end surface positioning, positioning holes and end surfaces of a workpiece 11 are attached to positioning surfaces of the special soft jaws 3 of the clamp, the three-jaw chuck 2 is locked, the workpiece 11 is fixed on the clamp disc 10, the three-jaw chuck 2 in the tool clamp is utilized to clamp the workpiece 11, the workpiece 11 is automatically centered, the three-jaw chuck 2 is applied to the clamp, and, the clamp disc device solves the problem that an operator needs to calibrate the time for calibrating a rotation center and a clamping tool every time, improves the clamping efficiency of a workpiece, simultaneously, the three-jaw chuck 2 can reduce the manufacturing and maintenance cost of a clamp, a workpiece 11 is placed on the upper surface of the clamp disc 10, the positioning hole and the end surface of the workpiece 11 are attached to the positioning surface of a special soft jaw 3 of the clamp, the three-jaw chuck 2 is locked, the workpiece is fixed on the clamp disc 10, the support pins of the movable elastic support pin device 1 are loosened one by one, the elastic support pins are self-adaptive to be attached to the end surface of the workpiece, a certain support force is always kept in the machining process under the action of an internal preset pressure spring, the problem that a gap exists between the workpiece and the workpiece due to the continuous change of part deformation in the machining process is prevented, the end surface at the thin wall is uniformly distributed and supported, thereby improving the machining accuracy.

In the actual operation process, when the device is used, the clamp is installed, the clamp bottom plate 6 is attached to a vertical lathe workbench, the machine tool rotation center is calibrated and then fixed to the workbench through the connecting bolt 9, the movable elastic supporting pin device 1 is checked to be in a compressed state (the purpose is that when a workpiece is loaded, the supporting pin supporting force is removed, the end face of the workpiece cannot be attached), the workpiece positioning hole and the end face are attached to the positioning face of the special soft claw 3 for the clamp, the three-claw chuck 2 is locked, the workpiece 11 is fixed on the clamp, the supporting pins of the movable elastic supporting pin device 1 are loosened one by one, the elastic supporting pins are attached to the end face of the workpiece in a self-adaptive mode, and under the action of the internal preset pressure spring, a certain supporting force is kept in the machining process.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a disc part's merry go round machine anchor clamps, includes bottom plate (6), its characterized in that: internal thread hole (8) have been seted up to the upper surface left end of bottom plate (6), the last fixed surface of bottom plate (6) installs supporting seat (5), fixing hole (7) have been seted up to the bottom left end of supporting seat (5), the last fixed surface of supporting seat (5) is connected with anchor clamps dish (10), the last fixed surface of anchor clamps dish (10) installs movable elastic support pin device (1), the inside fixed mounting of supporting seat (5) has three-jaw chuck (2), the last surface swing joint of three-jaw chuck (2) has special soft claw (3), work piece (11) have been placed to the upper surface of anchor clamps dish (10).

2. A vertical lathe clamp for a disc part as claimed in claim 1, wherein: fixing bolt (4) are inserted into the fixing through holes (7), the lower ends of fixing bolts (4) are in threaded connection with internal thread holes (8) in the bottom plate (6), the number of fixing through holes (7) is a plurality of, the internal thread holes are respectively arranged on the edge of the upper surface of the bottom of the supporting seat (5) at equal intervals, the number of the internal thread holes (8) is the same as that of the fixing through holes (7), and the internal thread holes are respectively arranged on the edge of the upper surface of the bottom plate (6) at equal intervals.

3. A vertical lathe clamp for a disc part as claimed in claim 1, wherein: the upper surface edge of bottom plate (6) and the upper surface edge of supporting seat (5) bottom have all seted up the through-hole, and the inside connecting bolt (9) of pegging graft of through-hole has, and the bottom threaded connection of connecting bolt (9) is on the merry go round machine workstation upper surface.

4. A vertical lathe clamp for a disc part as claimed in claim 1, wherein: the number of the special soft claws (3) is 3, three special soft claws are uniformly distributed at 120 degrees in the circumferential direction and are movably arranged on the upper surface of the three-claw chuck (2), and the upper surface of each special soft claw is provided with workpiece aperture positioning and end surface positioning.

5. A vertical lathe clamp for a disc part as claimed in claim 1, wherein: the movable elastic supporting pin devices (1) are evenly distributed on the upper surface of the clamp disc (10) according to 8 equal parts and are arranged in two circles in the radial direction.