CN217254696U

CN217254696U - Internal support tool for processing large-diameter thin-wall part

Info

Publication number: CN217254696U
Application number: CN202221237177.XU
Authority: CN
Inventors: 徐杰; 王晨; 张瑞; 孙杰
Original assignee: Loulan Technology Jiangsu Co ltd
Current assignee: Loulan Technology Jiangsu Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-08-23
Anticipated expiration: 2032-05-23

Abstract

The utility model relates to an internal stay frock of processing major diameter thin wall spare, set up round interior installation punch combination on the bottom plate, still set up the outer mounting hole that round set up around interior installation punch combination on the bottom plate, be equipped with a plurality of interior supporting seats that enclose into the round on the bottom plate, the top of each interior supporting seat is fixed with the installation piece, set up side-mounting punch combination on the lateral wall of installation piece, side-mounting punch combination includes two side-mounting holes that set up side by side, be connected with the profile modeling supporting shoe on the lateral wall of installation piece, one side of profile modeling supporting shoe sets up the locating hole that sets up with side-mounting hole one-to-one correspondence, the profile modeling supporting shoe is fixed the profile modeling through the upper locating pin that connects side-mounting hole and locating hole, the opposite side of profile modeling supporting shoe is established as a section cambered surface in a ring, still include a plurality of clamp plates that enclose into the round; the utility model discloses a structure setting of inner support seat and clamp plate on the bottom plate carries out centre gripping fastening operation to major diameter thin wall spare.

Description

Internal support tool for processing large-diameter thin-wall part

Technical Field

The utility model relates to a mechanical device technical field that is correlated with especially relates to an internal stay frock of processing major diameter thin wall spare.

Background

In order to meet the requirement of design tolerance, workpieces are concentric and concentric with the profile of each part, the workpieces can be machined only by combining large-scale high-precision five-axis turning and milling, the process is complex and tedious, the subsequent machining datum error is large, the clamping and aligning efficiency is low, an internal support tool is not provided, only multiple cutters can be used for small cutting amount in order to ensure the deformation, the abrasion of the cutters is increased, and the production cost is increased.

In the prior art, the tool for machining the annular thin-walled part with the larger diameter has the disadvantages that the self rigidity is insufficient, the rotating speed and the cutting parameters are too low during turning and milling, the deformation is easy, the resonance is generated, the vibration knife lines are generated, the precision and the finish degree of the workpiece are difficult to guarantee, the tool loss is higher, the production period is long, and the machining difficulty is high.

In view of the above-mentioned defects, the present designer is actively making research and innovation to create an inner support tool for processing large-diameter thin-walled workpiece, so that the inner support tool has more industrial utilization value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims at providing a can reduce the processing degree of difficulty, reduce the interior frock that props of processing major diameter thin wall spare of processing cost and production cycle.

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

an inner support tool for processing a large-diameter thin-wall component comprises a bottom plate, wherein a circle of inner mounting hole group is formed in the bottom plate, a circle of outer mounting holes arranged around the inner mounting hole group is further formed in the bottom plate, the inner mounting hole group comprises four inner mounting holes distributed in a square shape, a plurality of inner supporting seats surrounding the circle are arranged on the bottom plate, the bottom of each inner supporting seat is respectively fixed in the four inner mounting holes of the inner mounting hole group through four fixing pins, a mounting block is fixed at the top of each inner supporting seat, a side mounting hole group is formed in the side wall of each mounting block, each side mounting hole group comprises two side mounting holes arranged side by side, a profiling supporting block is connected to the outer side wall of each mounting block, positioning holes arranged corresponding to the side mounting holes one by one are formed in one side of each profiling supporting block, and the profiling supporting blocks are fixed through upper positioning pins connecting the side mounting holes and the positioning holes, the other side of the profiling supporting block is set to be a section of cambered surface in a circular ring, the profiling supporting block further comprises a plurality of pressing plates which are enclosed into a circle, strip-shaped holes which are located right above the outer mounting holes are formed in the pressing plates, and the pressing plates are fixed on the bottom plate through lower positioning pins which penetrate through the outer mounting holes and the strip-shaped holes.

As a further improvement of the utility model, one is arranged below the oblique direction of the profiling supporting block on each inner supporting seat.

As a further improvement of the utility model, the supporting shoe is a cuboid supporting shoe.

As a further improvement of the utility model, the inner supporting seat is connected with the mounting block through a connecting block with a cambered surface.

As a further improvement, the internal support seat, the installation block and the connecting block are integrally formed.

As a further improvement of the utility model, the side surface of the pressing plate close to the profiling supporting block is arranged as a chamfer surface.

As the utility model discloses a further improvement, each four bar holes that set up with interior mounting hole one-to-one are all seted up to the bottom surface of inner support seat.

Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage:

1. the rigidity is enhanced by supporting the side wall of the workpiece, and deformation and resonance generated during cutting are eliminated, so that the dimensional precision and the surface smoothness are achieved, the processing difficulty is effectively reduced, and the processing cost and the production period are reduced;

2. the processing cost is reduced, the production efficiency is improved, and the product quality is ensured;

3. the method can effectively improve the production efficiency, reduce the production cost, ensure the quality stability, and is not limited by high-precision equipment processing, and the processing of complex parts can be completed by adopting conventional numerical control equipment.

The above description is only an outline of the technical solution of the present invention, and in order to make the technical means of the present invention more clearly understood and to be implemented in accordance with the content of the specification, the following detailed description will be given of preferred embodiments of the present invention in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on these drawings without inventive efforts.

Fig. 1 is a schematic structural view of an internal support tool for machining a large-diameter thin-walled workpiece according to the present invention;

fig. 2 is a schematic structural diagram of a bottom plate of an internal supporting tool for processing a large-diameter thin-wall part according to the present invention;

fig. 3 is a schematic structural diagram of a pressing plate of an inner support tool for processing a large-diameter thin-wall part according to the present invention.

In the drawings, the meanings of the reference numerals are as follows.

1 bottom plate 2 outer mounting holes

3 inner mounting hole 4 inner support seat

5 mounting block 6 profiling supporting block

7 go up 8 clamp plates of locating pin

9 strip-shaped hole 10 lower positioning pin

11 connecting block 12 chamfer surface

13 workpiece

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In order to make the technical solution of the present invention better understood, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the 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. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

Examples

As shown in figures 1 to 3, the inner support tool for processing the large-diameter thin-wall part comprises a bottom plate 1, wherein a circle of inner mounting hole group for mounting an inner support seat 4 is arranged on the bottom plate 1, a circle of outer mounting hole 2 for mounting a pressure plate 8 is arranged on the bottom plate 1 and surrounds the inner mounting hole group, the inner mounting hole group comprises four inner mounting holes 3 distributed in a square shape and can well fix the inner support seat 4, the bottom of each inner support seat 4 is respectively fixed in the four inner mounting holes 3 of the inner mounting hole group through four fixing pins, a mounting block 5 and a profiling support block 6 connected on the outer side wall of each inner support seat 4 are fixed at the top of each inner support seat 4, one side of each profiling support block 6 is provided with a positioning hole which is in one-to-one correspondence with the side mounting holes, the profiling support block 6 is fixed through an upper positioning pin 7 which is connected with the side mounting holes and the positioning holes, and the other side of the profiling support block 6 is provided with a cambered surface in a circular ring, therefore, the profile modeling supporting shoe 6 that is supported fixedly by interior support seat 4 encircles into the annular that the round is located work piece 13 inboard, in addition, the cambered surface of the another side of profile modeling supporting shoe 6 and the inside wall conflict of work piece 13 meet the setting, the inner wall of the work piece 13 that makes is fixed, work piece 13 still is equipped with a plurality of clamp plates 8 that become the round around the lateral wall of work piece 13, set up the bar hole 9 that is located directly over outer mounting hole 2 on the clamp plate 8, clamp plate 8 is fixed on bottom plate 1 through the lower locating pin 10 that runs through outer mounting hole 2 and bar hole 9, the conflict of clamp plate 8 and work piece 13 lateral wall meets the setting, make annular major diameter thin wall spare with its inside wall and lateral wall centre gripping fixed under profile modeling supporting shoe 6 and clamp plate 1's mutually supporting shoe, make things convenient for the processing operation on next step.

To the utility model discloses do further improvement, the oblique below of the profile modeling supporting shoe 6 on each internal support seat 4 all is equipped with a clamp plate 8.

To the utility model discloses do further improvement, supporting shoe 6 is the supporting shoe that is the cuboid.

To the utility model discloses do further improvement, support and connect through a connecting block 11 that has the cambered surface between seat 4 and the installation piece 5.

It is right to the utility model discloses do further improvement, interior support seat 4, installation piece 5 and the setting of connecting block 11 integrated into one piece.

The utility model discloses do further improvement, the side that is close to profile modeling supporting shoe 6 on the clamp plate 8 is established to chamfer face 12.

It is right to the utility model discloses do further improvement, four bar holes 9 that set up with 3 one-to-one of interior mounting hole are all seted up to the bottom surface of each inner support seat 4.

The utility model relates to an internal stay frock of processing major diameter thin wall spare uses the utility model discloses can effectively improve production efficiency, reduction in production cost to guarantee the stability of quality, more can not be subject to high accuracy equipment processing, adopt conventional numerical control equipment can accomplish the processing of complicated part.

The utility model has the advantages as follows:

1. the structural strength of the workpiece is enhanced, the process is simple, and most procedures can be processed by using a common numerical control vertical lathe;

2. the subsequent processing datum precision is high, and the clamping and aligning efficiency is high;

3. the cutting amount and the rotating speed are increased, and the tool path is reduced, so that the tool loss and the processing time are reduced.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly referring to the number of technical features being indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection: either mechanically or electrically: the terms may be directly connected or indirectly connected through an intermediate member, or may be a communication between two elements.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The inner supporting tool for processing the large-diameter thin-wall component is characterized by comprising a bottom plate (1), wherein a circle of inner mounting hole group is formed in the bottom plate (1), a circle of outer mounting holes (2) arranged around the inner mounting hole group is further formed in the bottom plate (1), the inner mounting hole group comprises four inner mounting holes (3) distributed in a square shape, a plurality of inner supporting seats (4) surrounding the circle are arranged on the bottom plate (1), the bottom of each inner supporting seat (4) is fixed in the four inner mounting holes (3) of the inner mounting hole group through four fixing pins, a mounting block (5) is fixed at the top of each inner supporting seat (4), a side mounting hole group is formed in the side wall of each mounting block (5), the side mounting hole group comprises two side mounting holes arranged side by side, and a profiling supporting block (6) is connected to the outer side wall of each mounting block (5), the locating hole that sets up with the side-mounting hole one-to-one is seted up to one side of profile modeling supporting shoe (6), profile modeling supporting shoe (6) are fixed through last locating pin (7) of connecting side-mounting hole and locating hole, the opposite side of profile modeling supporting shoe (6) is established to one section cambered surface in a ring, still includes a plurality of clamp plates (8) that enclose into the round, set up on clamp plate (8) and be located bar hole (9) directly over outer mounting hole (2), clamp plate (8) are fixed through lower locating pin (10) that run through outer mounting hole (2) and bar hole (9) on bottom plate (1).

2. The inner support tool for machining the large-diameter thin-walled workpiece according to claim 1, wherein the pressing plate (8) is arranged obliquely below the profile supporting block (6) on each inner supporting seat (4).

3. The inner support tool for machining the large-diameter thin-walled workpiece according to claim 1, wherein the support block (6) is a rectangular parallelepiped support block.

4. The inner support tool for machining the large-diameter thin-walled workpiece according to claim 1, wherein the inner support base (4) is connected with the mounting block (5) through a connecting block (11) with an arc surface.

5. The inner support tool for machining the large-diameter thin-walled workpiece according to claim 4, wherein the inner support base (4), the mounting block (5) and the connecting block (11) are integrally formed.

6. The inner support tool for machining the large-diameter thin-walled workpiece according to claim 1, wherein the side surface, close to the profiling support block (6), of the pressure plate (8) is provided with a chamfered surface (12).

7. The inner support tool for machining large-diameter thin-walled workpieces according to claim 1, wherein the bottom surface of each inner support seat (4) is provided with four strip-shaped holes (9) which correspond to the inner mounting holes (3) one by one.