CN219483870U

CN219483870U - Space spline curve tubular part forming device

Info

Publication number: CN219483870U
Application number: CN202320358589.7U
Authority: CN
Inventors: 李明贵; 曹苏宁; 李一龙; 郭政禄; 丁华
Original assignee: Yunnan KSEC Machinery Manufacturing Co Ltd
Current assignee: Yunnan KSEC Machinery Manufacturing Co Ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-08-08
Anticipated expiration: 2033-03-02

Abstract

The utility model relates to the technical field of forming dies and provides a space spline curve tubular part forming device which comprises a die seat body and a limiting forming die, wherein the die seat body consists of a forming seat and a base which is positioned below the forming seat and integrally connected with the forming seat, the forming end of the forming seat is a cylindrical surface, space spline curve tubular grooves are distributed on the forming end of the forming seat along the cylindrical surface, a linear cylindrical groove and a curve cylindrical groove are arranged in a die cavity of the limiting forming die from top to bottom, and two ends of the limiting forming die are fixedly connected with the die seat body through fasteners respectively. The device for forming the space spline curve tubular part has a simple structure and is convenient to operate, and the forming processing of the space spline curve tubular part is divided into two steps, so that the forming processing precision of the space spline curve tubular part is improved while the processing efficiency is ensured.

Description

Space spline curve tubular part forming device

Technical Field

The utility model relates to the technical field of forming dies, in particular to a space spline curve tubular part forming device.

Background

The space spline curve tubular part is a complex structural part which is gradually increased in application in recent years, because of the irregular structural characteristics and the fact that the conventional simple die cannot be adopted for stretch bending or hot bending forming, special processing equipment is not formed at present, great challenges are caused to the improvement of operators and the processing equipment in the sheet metal working procedure, the dimensional accuracy of part processing is difficult to ensure, and the processing efficiency is required to be improved.

Therefore, how to provide a space spline curve tubular part forming device with simple structure, convenient operation and high efficiency is a problem to be solved.

Disclosure of Invention

In view of the above, the present utility model aims to overcome the defects of the prior art, and to provide a device for forming a space spline curve tubular part.

The utility model provides a space spline curve tubular part forming device which comprises a die seat body and a limit forming die, wherein the die seat body consists of a forming seat and a base which is positioned below the forming seat and integrally connected with the forming seat, the forming end of the forming seat is a cylindrical surface, space spline curve tubular grooves are distributed on the forming end of the forming seat along the cylindrical surface, a linear cylindrical groove and a curve cylindrical groove are arranged in a die cavity of the limit forming die from top to bottom, and two ends of the limit forming die are fixedly connected with the die seat body through fasteners respectively.

Further, according to the space spline curve tubular part forming device, the connecting plate which is integrally connected is arranged at the middle position of the upper part of the forming seat, and the connecting fixing hole is formed at the middle position of the upper part of the connecting plate.

Further, according to the space spline curve tubular part forming device, the connecting threaded holes are formed in the outer end face of the base, and the connecting threaded holes are in line with the connecting fixing holes in the vertical direction.

Further, according to the space spline curve tubular part forming device, the upper connecting block is arranged at the upper part of the limit forming die, and the upper connecting hole is arranged at the middle position of the upper part of the upper connecting block.

Further, in the space spline curve tubular part forming device, the lower part of the limit forming die is provided with the lower connecting block, and the lower connecting hole is arranged at the middle position of the lower part of the lower connecting block.

Further, according to the space spline curve tubular part forming device, the upper connecting hole is matched with the connecting and fixing hole, and the upper connecting block is fixedly connected with the connecting plate through a bolt pair penetrating through the upper connecting hole and the connecting and fixing hole.

Further, in the space spline curve tubular part forming device, the lower connecting hole is matched with the connecting threaded hole, and the lower connecting block is fixedly connected with the base through a screw.

The device for forming the space spline curve tubular part has a simple structure and is convenient to operate, and the forming processing of the space spline curve tubular part is divided into two steps, so that the forming processing precision of the space spline curve tubular part is improved while the processing efficiency is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of a die holder body of a space spline curve tubular part forming device of the present utility model;

FIG. 2 is a schematic diagram of a spacing forming die of a space spline curve tubular part forming device of the utility model;

FIG. 3 is a schematic diagram of a first pass forming of a workpiece using the space spline curve tubular part forming apparatus of the present utility model;

FIG. 4 is a schematic diagram of an initial state of a second pass forming of a workpiece using the space spline curve tubular part forming apparatus of the present utility model;

fig. 5 is a schematic diagram showing the final state of the second forming of the workpiece by the space spline curve tubular part forming device of the utility model.

In the figure, a 1-die holder body, a 11-forming holder, a 12-base, a 13-connecting plate, a 111-forming end, a 112-space spline curve tube-shaped groove, a 121-connecting threaded hole, a 131-connecting fixing hole, a 2-limiting forming die, a 21-upper connecting block, a 211-upper connecting hole, a 22-lower connecting block, a 221-lower connecting hole, a 23-linear cylinder groove, a 24-curve cylinder groove, a 3-bolt pair, a 4-screw and a 5-workpiece.

Detailed Description

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1, the space spline curve tubular part forming apparatus of the present embodiment includes a die holder body 1 and a limit forming die 2.

Specifically, as shown in fig. 1, the mold base body 1 is composed of a forming base 11 and a base 12 located below the forming base 11 and integrally connected with the forming base 11, wherein a forming end 111 of the forming base 11 is a cylindrical surface, and spatial spline curve tube-shaped grooves 112 are distributed on the forming end 111 of the forming base 11 along the cylindrical surface.

As shown in fig. 2 and 3, a linear cylindrical groove 23 and a curved cylindrical groove 24 are arranged in the die cavity of the limit forming die 2 from top to bottom, and two ends of the limit forming die 2 are fixedly connected with the die seat body 1 through fasteners respectively.

As shown in fig. 1, in the space spline curve tubular component forming apparatus of the present embodiment, a connecting plate 13 integrally connected is provided at an upper middle position of a forming seat 11, and a connecting fixing hole 131 is provided at an upper middle position of the connecting plate 13. The outer end surface of the base 12 is provided with a connection screw hole 121, and the connection screw hole 121 is in line with the connection fixing hole 131 in the vertical direction.

As shown in fig. 2, in the space spline curve tubular component forming apparatus of the present embodiment, an upper connection block 21 is provided at the upper portion of the limit forming die 2, and an upper connection hole 211 is provided at the upper intermediate position of the upper connection block 21. The lower connecting block 22 is provided at the lower portion of the limiting forming die 2, and the lower connecting hole 221 is provided at a lower intermediate position of the lower connecting block 22.

As shown in fig. 1, 2 and 3, the upper connection hole 211 is matched with the connection fixing hole 131, and the upper connection block 21 is fixedly connected with the connection plate 13 by a bolt pair 3 penetrating the upper connection hole 211 and the connection fixing hole 131. The lower connection hole 221 is matched with the connection screw hole 121, and the lower connection block 22 is fixedly connected with the base 12 by the screw 4.

The application principle of the space spline curve tubular part forming device of the embodiment is as follows:

the first step: an initial blank straight line pipe of the spline curve tubular part (initial state of the work 5) is inserted into the straight line cylindrical groove 23 of the limit forming die 2 at an assembling position where the midpoint of the work 5 is aligned with the midpoint of the connecting plate 13 in the vertical direction.

And a second step of: as shown in fig. 3, an initial blank straight tube (initial state of the work 5) of the spline curve tubular part is thermally bent into a horizontal spline curve tube (intermediate state of the work 5) along a forming end 111 of the forming seat 11 which is a cylindrical surface;

and a third step of: releasing the limit forming die 2, loading a horizontal spline curve tube (the intermediate state of the workpiece 5) into a curve cylinder groove 24 of the limit forming die 2 according to fig. 4, and fastening after adjusting the position;

fourth step: as shown in fig. 5, a horizontal spline curve tube (intermediate state of the workpiece 5) is thermally bent into a spatial spline curve tube along spatial spline curve tube grooves 112 distributed on the forming end 111 of the forming seat 11.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. The device is characterized by comprising a die seat body and a limiting forming die, wherein the die seat body consists of a forming seat and a base which is positioned below the forming seat and integrally connected with the forming seat, the forming end of the forming seat is a cylindrical surface, the spatial spline curve pipe-shaped grooves are distributed on the forming end of the forming seat along the cylindrical surface, a linear cylinder groove and a curve cylinder groove are arranged in a die cavity of the limiting forming die from top to bottom, and two ends of the limiting forming die are fixedly connected with the die seat body through fasteners respectively.

2. The space spline curve tubular component forming device according to claim 1, wherein a connecting plate integrally connected is provided at an upper intermediate position of the forming seat, and a connecting fixing hole is provided at an upper intermediate position of the connecting plate.

3. The space spline curve tubular component forming device according to claim 2, wherein the outer end surface of the base is provided with a connecting screw hole, and the connecting screw hole is in line with the connecting fixing hole in the vertical direction.

4. The space spline curve tubular component forming apparatus according to claim 3, wherein an upper connecting block is provided at an upper portion of the limit forming die, and the upper connecting hole is provided at an upper intermediate position of the upper connecting block.

5. The space spline curve tubular component forming apparatus according to claim 4, wherein a lower connecting block is provided at a lower portion of the limit forming die, and the lower connecting hole is provided at a lower intermediate position of the lower connecting block.

6. The space spline curve tubular component forming device according to claim 5, wherein the upper connecting hole is matched with the connecting fixing hole, and the upper connecting block is fixedly connected with the connecting plate by a bolt pair penetrating the upper connecting hole and the connecting fixing hole.

7. The space spline curve tubular component forming device according to claim 5, wherein the lower connecting hole is matched with the connecting threaded hole, and the lower connecting block is fixedly connected with the base by a screw.