CN214350929U

CN214350929U - Be applied to anchor clamps of fourth shaft revolving stage

Info

Publication number: CN214350929U
Application number: CN202120413619.0U
Authority: CN
Inventors: 陈祥林; 张红兵
Original assignee: Suzhou Vocational University
Current assignee: Suzhou Vocational University
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-10-08
Anticipated expiration: 2031-02-25

Abstract

The utility model provides an anchor clamps for fourth shaft revolving stage, includes fixed disk, base plate, right angle backup pad, locking screw and locating pin, a side of fixed disk can be dismantled with fourth shaft revolving stage and be connected, and the central point of another side puts the department and is fixed with the base plate, the base plate with one side edge that the fixed disk is fixed the fixed disk is radial to be set up, the right angle backup pad is fixed to be set up the base plate with between the fixed disk, a plurality of fixing hole have been seted up to the array on the base plate, the locating pin is pegged graft in the fixing hole, locking screw with fixing hole threaded connection. The utility model discloses can realize quick location, one or more small-size parts of clamping, install and remove simultaneously swiftly, positioning accuracy is high, has effectively improved work efficiency and processingquality, has reduced manufacturing cost and rejection rate.

Description

Be applied to anchor clamps of fourth shaft revolving stage

Technical Field

The utility model relates to a machining tool equipment technical field, concretely relates to be applied to anchor clamps of fourth shaft revolving stage.

Background

A machine tool holder is a device on a machine tool for clamping a workpiece and guiding a tool, wherein accurate positioning of the workpiece is its primary function, and secondly there is a correct position between the machine tool and the tool, which does not interfere with machining and enables the workpiece to be clamped and fixed in a certain direction. For machining complex workpieces, a circular feed motion with X, Y and a Z-axis is often required to complete the machining of such workpieces. The vertical machining center is usually completed by installing a fourth axis rotary table, which can be implemented as a rotary feed table. The fourth shaft rotating platform can be used for processing various circular arcs or curved surfaces in linkage with linear feeding, and can also realize accurate automatic indexing. The fourth axis rotary table is an indispensable component for a vertical machining center capable of performing automatic tool changing multi-process centralized machining.

In short, the fourth axis rotary table functions to perform feed indexing and circumferential feeding. Feeding indexing, namely indexing rotation or random indexing positioning is carried out on a workpiece within a 360-degree range during non-cutting; the feeding motion in the circumferential direction of the rotary table means that the complex curved surface is machined in conjunction with three coordinate axes X, Y, Z when the cutting is performed in the vertical machining center. The fourth shaft revolving stage adopts level or perpendicular mode to install on the X axle, and the chuck rather than the tailstock that matches is adopted to the conventionality, and it is comparatively convenient to counter shaft class part clamping processing, but to the part of shapes such as board class, dish class, then need according to part structure customization special fixture, lead to machining efficiency low, manufacturing cost to improve.

Disclosure of Invention

In view of this, the present invention provides a clamp for a fourth axis rotation platform, which has a simple structure, is convenient to manufacture, and is easy to operate, so as to overcome the above-mentioned drawbacks of the prior art.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides an anchor clamps for fourth shaft revolving stage, includes fixed disk, base plate, right angle backup pad, locking screw and locating pin, a side of fixed disk can be dismantled with fourth shaft revolving stage and be connected, and the central point of another side puts the department and is fixed with the base plate, the base plate with one side edge that the fixed disk is fixed the fixed disk is radial to be set up, the right angle backup pad is fixed to be set up the base plate with between the fixed disk, a plurality of fixing hole have been seted up to the array on the base plate, the locating pin is pegged graft in the fixing hole, locking screw with fixing hole threaded connection.

Preferably, first clamping through-hole has been seted up along its axial to the fixed disk in the fixed orifices position department that corresponds the fourth axis revolving stage, be provided with first fixing bolt in the first clamping through-hole, the fixed disk passes through first fixing bolt runs through the through-hole first clamping through-hole and with the fixed orifices threaded connection of fourth axis revolving stage can dismantle with the fourth axis revolving stage and be connected.

Preferably, the side surface, fixed with the fixed disk, of the substrate is concavely provided with a pair of first threaded blind holes, the position, corresponding to the pair of first threaded blind holes, of the fixed disk is provided with a second clamping through hole along the axial direction, a second fixing bolt is arranged in the second clamping through hole, and the fixed disk penetrates through the second clamping through hole through the second fixing bolt and is in threaded connection with the first threaded blind holes on the side surface of the substrate so as to be fixedly connected with the substrate.

Preferably, one right-angle surface of the right-angle supporting plate is welded and fixed with the bottom surface of the base plate, the other right-angle surface is concavely provided with a second threaded blind hole, a third clamping through hole is formed in the position, corresponding to the second threaded blind hole, of the fixed disc along the axial direction of the fixed disc, a third fixing bolt is arranged in the third clamping through hole, and the fixed disc penetrates through the third clamping through hole and is in threaded connection with the second threaded blind hole in the right-angle supporting plate so as to be fixedly connected with the right-angle supporting plate.

Preferably, the fixing through hole is divided into an unthreaded hole portion and a threaded hole portion along an axial direction thereof, the unthreaded hole portion is disposed adjacent to a top surface of the base plate, and the threaded hole portion is disposed adjacent to a bottom surface of the base plate.

Preferably, the aperture of the unthreaded hole portion is equal to or larger than the aperture of the threaded hole portion, and the cross section of the fixing through hole is stepped.

Compared with the prior art, the utility model provides a be applied to anchor clamps of fourth shaft revolving stage can realize quick location, one or more small-size parts of clamping, installs and removes swiftly, positioning accuracy is high simultaneously, has effectively improved work efficiency and processingquality, has reduced manufacturing cost and rejection rate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a clamp applied to a fourth axis rotating table according to the present invention;

fig. 2 is an exploded view of a clamp applied to a fourth axis rotary table according to the present invention;

fig. 3 is a first schematic structural view of a clamp applied to a fourth axis rotary table for clamping a workpiece according to the present invention;

fig. 4 is the utility model provides a pair of be applied to the structure schematic diagram two when the anchor clamps clamping work piece of fourth axis revolving stage.

Reference numerals and component parts description referred to in the drawings:

1. fixing the disc; 2. a substrate; 3. locking the screw; 4. positioning pins; 5. a fourth shaft rotating platform; 6. a first clamping through hole; 7. a first fixing bolt; 8. a first threaded blind hole; 9. a second clamping through hole; 10. a second fixing bolt; 11. a right-angled support plate; 12. a second threaded blind hole; 13. a third clamping through hole; 14. a third fixing bolt; 15. a fixing through hole; 1501. a light aperture portion; 1502. a threaded bore portion; 16. and (5) a workpiece.

Detailed Description

The technical solution of the present invention will be described clearly and completely through the following detailed description. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 2, a clamp applied to a fourth axis rotation platform includes a fixed plate 1, a base plate 2, a locking screw 3 and a positioning pin 4. Wherein, fixed disk 1 is as the fixed main part of whole anchor clamps, and its one side can be dismantled with fourth axis revolving stage 5 and be connected, and four first clamping through-holes 6 have been seted up along its axial to fixed disk 1 in the fixed orifices position department that corresponds fourth axis revolving stage 5 promptly to all be provided with first fixing bolt 7 in every first clamping through-hole 6. The fixed disk 1 is in threaded connection with the fixed hole of the fourth shaft rotating platform 5 after penetrating through the first clamping through hole 6 of the through hole through a first fixing bolt 7, so that the fixed disk is detachably connected with the fourth shaft rotating platform 5.

The central position of the other side of the fixed disk 1 is fixed with the substrate 2, and the side where the substrate 2 is fixed with the fixed disk 1 is arranged along the radial direction of the fixed disk 1. Specifically, the base plate 2 is concavely provided with a pair of first threaded blind holes 8 on the side fixed with the fixed disk 1, meanwhile, the fixed disk 1 is also provided with a pair of second clamping through holes 9 along the axial direction at the positions corresponding to the pair of first threaded blind holes 8, and each second clamping through hole 9 is internally provided with a second fixing bolt 10. The fixing disc 1 is in threaded connection with the first threaded blind hole 8 on the side surface of the substrate 2 after penetrating through the second clamping through hole 9 through the second fixing bolt 10, so that the fixing disc is fixedly connected with the substrate 2.

In order to further increase the stability of the connection between the mounting plate 1 and the base plate 2, a right-angled support plate 11 is additionally provided between the base plate 2 and the mounting plate 1. A right angle face of right angle backup pad 11 and base plate 2's bottom surface welded fastening, another right angle face is concave to be equipped with a second screw thread blind hole 12, third clamping through-hole 13 has been seted up along its axial in the position department that corresponds second screw thread blind hole 12 to be provided with third fixing bolt 14 in third clamping through-hole 13, fixing disk 1 is through third fixing bolt 14 run through again behind the third clamping through-hole 13 with the second screw thread blind hole 12 threaded connection in right angle backup pad 11, in order to realize with right angle backup pad 11 fixed connection.

The base plate 2 is used as a main body for fixing a workpiece, a plurality of fixing through holes 15 are formed in an array mode on the base plate, the positioning pins 4 are inserted into the fixing through holes 15, and the locking screws 3 are in threaded connection with the fixing through holes 15. In this embodiment, the fixing through hole 15 is divided into a light hole portion 1501 and a screw hole portion 1502 in the axial direction thereof, the light hole portion 1501 is disposed near the top surface of the substrate 2, the screw hole portion 1502 is disposed near the bottom surface of the substrate 2, the aperture of the light hole portion 1501 is equal to or larger than that of the screw hole portion 1502, and the cross section of the fixing through hole 15 is stepped.

The positioning pin 4 is fitted with the unthreaded hole portion 1501 in the fixing through-hole 15, and quick positioning thereof can be achieved in accordance with the shape of the workpiece 16. The locking screw 3 is screwed with the threaded hole portion 1502 in the fixing through-hole 15, and quick locking thereof can be achieved according to the shape of the workpiece 16. Meanwhile, the plurality of fixing through holes 15 are arranged at equal intervals, and when the numerical control machining is automatically programmed, the equidistant positions of the plurality of workpieces can be moved or installed according to the number of the workpieces 16, so that the coordinate system of the workpieces can be quickly set.

The specific workpiece clamping process is as follows:

if the workpiece 16 has characteristic holes or fabrication holes, referring to fig. 3, the positioning pin 4 is inserted into the fixing through hole 15 after passing through 2 characteristic holes or fabrication holes of the workpiece 16, and is engaged with the unthreaded hole portion 1501 in the fixing through hole 15 to position the workpiece 16, and then the locking screw 3 is inserted into the fixing through hole 15 after passing through the remaining characteristic holes or fabrication holes of the workpiece 16, and is screwed with the threaded hole portion 1502 in the fixing through hole 15 to lock and fix the workpiece 16.

If the workpiece 16 does not have the characteristic hole and the number of process holes cannot be increased, referring to fig. 4, a certain machining allowance can be reserved at the bottom of the workpiece 16, and a plurality of threaded blind holes are additionally arranged at reserved positions at the bottom of the workpiece 16. Thereafter, according to the shape of the workpiece 16, the positioning pins 4 are abutted against the side surfaces of the workpiece 16 and inserted into the corresponding fixing through-holes 15 on the substrate 2, and engaged with the eyelet portions 1501 in the fixing through-holes 15 to position the workpiece 16. And then, the locking screw 3 is reused, preferably, the locking screw 3 with the diameter slightly smaller than the diameter of the threaded blind hole is screwed in from one end of the bottom surface of the substrate 2, which corresponds to the fixing through hole 15 at the position where the threaded blind hole is arranged at the bottom of the workpiece 16, and penetrates through the fixing through hole 15 to be in threaded connection with the threaded blind hole at the bottom of the workpiece 16 so as to lock and fix the workpiece 16.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a be applied to anchor clamps of fourth shaft revolving stage which characterized in that: including fixed disk, base plate, right angle backup pad, locking screw and locating pin, a side and the fourth axis revolving stage of fixed disk can be dismantled and be connected, and the central point of another side puts the department and is fixed with the base plate, the base plate with one side that the fixed disk is fixed is followed the fixed radial setting of fixed disk, the right angle backup pad is fixed to be set up the base plate with between the fixed disk, a plurality of fixing hole have been seted up to the array on the base plate, the locating pin is pegged graft in the fixing hole, locking screw with fixing hole threaded connection.

2. A jig applied to a fourth axis rotary table according to claim 1, wherein: the fixed disk is provided with a first clamping through hole along the axial direction at the position of a fixed hole corresponding to the fourth shaft rotating platform, a first fixing bolt is arranged in the first clamping through hole, the fixed disk passes through the through hole, and the first clamping through hole is connected with the fixed hole of the fourth shaft rotating platform in a detachable mode.

3. A jig applied to a fourth axis rotary table according to claim 1, wherein: the fixing disc is provided with a pair of first threaded blind holes in a concave mode on the side face, fixed to the fixing disc, of the fixing disc, second clamping through holes are formed in the positions, corresponding to the pair of first threaded blind holes, of the fixing disc in the axial direction of the fixing disc, second fixing bolts are arranged in the second clamping through holes, and the fixing disc penetrates through the second clamping through holes and is in threaded connection with the first threaded blind holes in the side face of the base plate to be fixedly connected with the base plate.

4. A jig applied to a fourth axis rotary table according to claim 1, wherein: one of them right angle face of right angle backup pad with the bottom surface welded fastening of base plate, another right angle face is equipped with a second screw thread blind hole concavely, the fixed disk corresponds the position department of second screw thread blind hole has seted up the third clamping through-hole along its axial, be provided with third fixing bolt in the third clamping through-hole, the fixed disk passes through third fixing bolt runs through the third clamping through-hole and with in the right angle backup pad second screw thread blind hole threaded connection in order with right angle backup pad fixed connection.

5. A jig applied to a fourth axis rotary table according to claim 1, wherein: the fixing through hole is divided into a unthreaded hole part and a threaded hole part along the axial direction of the fixing through hole, the unthreaded hole part is arranged close to the top surface of the substrate, and the threaded hole part is arranged close to the bottom surface of the substrate.

6. A jig applied to a fourth axis rotary table according to claim 5, wherein: the aperture of the unthreaded hole part is larger than or equal to that of the threaded hole part, and the section of the fixing through hole is in a step shape.