CN113333599A

CN113333599A - Pipe end forming device for building

Info

Publication number: CN113333599A
Application number: CN202110499646.9A
Authority: CN
Inventors: 李游
Original assignee: MMI Planning and Engineering Institute IX Co Ltd
Current assignee: MMI Planning and Engineering Institute IX Co Ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-09-03

Abstract

The invention discloses a circular tube end forming device for buildings, which is characterized by comprising an upper die and a lower die, wherein the upper die comprises a die shank, an upper die holder and a forming male die, the die shank is fixed on the upper die holder, and the end forming male die is fixed in the upper die holder through a pressing bolt; the lower die comprises a lower die base, an end head forming female die and a positioning material channel, the end head forming female die is fixed on the lower die base through a pressing bolt, one end of the positioning material channel is fixed in the end head forming female die, and the other end of the positioning material channel extends out of the end head forming female die. The part of the positioning material channel extending out of the end head forming female die is arc-shaped and used for guiding a workpiece, and the partial shape of the positioning material channel fixed in the end head forming female die is matched with the shape of the end head of the processed circular tube. The invention has lower cost and shorter preparation period, is suitable for various small-sized stamping equipment, can finish and adapt to the forming of various building circular tube ends, and has variable forming shapes.

Description

Pipe end forming device for building

Technical Field

The invention belongs to the field of machining of circular tube ends for buildings, and particularly relates to a circular tube end forming device for buildings.

Background

The circular pipe is a part which is commonly used for buildings and has regular shape and good strength, the end head of the circular pipe is often provided with a welding flange as required, the circular pipe can be produced by processes such as thermal forming and the like, but the circular pipe has high requirements on investment, low efficiency, long period and floor space.

In the prior art, the hot forming has more problems, which are mainly shown in that:

1. the processing cost and the equipment investment cost are relatively high;

2. low efficiency, high energy consumption and no environmental pollution.

Therefore, need to provide a pipe end forming device for building, adapt to all kinds of stamping equipment, shorten processing cycle, convenient operation, as the solution of pipe end contour machining for building, simple structure, convenient operation, work efficiency is high, and reduce cost can be applied to various pipe end shaping for building.

Disclosure of Invention

In order to solve the problems existing in the prior art of forming and processing the end of the circular tube for the building, the invention aims to provide the forming device for the end of the circular tube for the building, which has the advantages of lower die cost, shorter preparation period, suitability for various small-sized stamping equipment, capability of finishing and adapting to forming of the end of the circular tube for various buildings, variable forming shape, extremely low cost, flexible transformation, simple structure, convenience in operation and high working efficiency. The die structure can be applied to presses with various sizes and tonnages, can quickly finish the forming processing of the end heads of various circular tubes for buildings, and does not need to occupy large-scale stamping equipment or thermal forming equipment.

The invention adopts the following technical scheme by combining the attached drawings:

a building circular tube end forming device comprises an upper die 1 fixed in a die shank hole of a small-sized press and a lower die 2 fixed on a workbench of the small-sized press; the upper die 1 comprises a die shank 11, an upper die base 12 and a forming male die 13, wherein the die shank 11 is fixed on the upper die base 12, and the end forming male die 13 is fixed in the upper die base 12 through a pressing bolt; the lower die 2 comprises a lower die base 21, an end forming female die 22 and a positioning material channel 23, wherein the end forming female die 22 is fixed on the lower die base 21 through a pressing bolt, one end of the positioning material channel 23 is fixed in the end forming female die 22, and the other end of the positioning material channel extends out of the end forming female die 22.

Further, the die comprises a forming guide post 3, and the forming guide post 3 is fixed between the upper die holder 12 and the lower die holder 21.

Furthermore, the part of the positioning material channel 23 extending out of the end forming female die 22 is arc-shaped and used for guiding a workpiece, and the part of the positioning material channel 23 fixed in the end forming female die 22 is matched with the shape of the end of the processed round tube.

Further, the die handle 11 is fixed in the die handle hole of the small press through a clamping plate, and the lower die base 21 is fixed on the workbench of the small press through the clamping plate.

The invention has the beneficial effects that:

1. the device can be installed on a small-sized press without large-sized stamping equipment or thermal forming equipment;

2. the end forming of the round pipe can be completed quickly;

3. the convex-concave die is simple and convenient to machine, can be quickly replaced, can finish the forming machining of circular tube ends in different shapes according to different shapes of the convex-concave die, can be adjusted according to the designed appearance, and is extremely low in cost and short in period.

Drawings

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

FIG. 1 is a schematic structural view of a circular tube end forming device for construction according to the present invention;

FIG. 2 is a schematic view of a round tube end structure according to an embodiment of the present invention;

in the figure:

1-upper mould; 11-a die shank; 12-an upper die holder; 13-end forming male die;

2-lower mould; 21-lower die holder, 22-forming female die; 23-positioning the material channel;

and 3, forming the guide pillar.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

Alternatively, an adapted die shank based on different tonnage apparatus may be used to install various tonnage apparatus.

Optionally, the shape of the punch and die can be optimized according to design and appearance requirements.

Alternatively, the size of the mould shape can be adjusted according to the trial-manufacture requirement.

Examples

As shown in fig. 1, in a circular tube end forming device for buildings, a die shank 11 is fixed in a die shank hole of a small-sized press through a clamping plate, an end forming punch 13 is fixed in an upper die base 12 through a pressing bolt, and the die shank 11, the upper die base 12 and the forming punch 13 form an upper die together. The lower die base 21 is fixed on a small press workbench through a clamping plate, the end forming female die 22 is fixed on the lower die base 21 through a pressing bolt, and the end forming female die 22 and the positioning material channel 23 jointly form a lower die.

When the first pipe end shaping, the pipe is on 23 entering die 22 through the location material way, and end shaping terrace die is down along with the press slider, carries out guide positioning through shaping guide pillar 3, accomplishes the pipe end shaping, and end shaping intensity is good, and is efficient, and the outward appearance is splendid.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 device for forming the end of the circular pipe for the building is characterized by comprising an upper die and a lower die, wherein the upper die comprises a die shank, an upper die base and a forming male die, the die shank is fixed on the upper die base, and the end forming male die is fixed in the upper die base through a pressing bolt; the lower die comprises a lower die base, an end head forming female die and a positioning material channel, the end head forming female die is fixed on the lower die base through a pressing bolt, one end of the positioning material channel is fixed in the end head forming female die, and the other end of the positioning material channel extends out of the end head forming female die.

2. The apparatus of claim 1, further comprising a forming guide, the forming guide being fixed between the upper die base and the lower die base.

3. The apparatus for forming the end of a circular pipe for buildings according to claim 1, wherein the part of the positioning material channel extending out of the end forming female die is in a circular arc shape for guiding the workpiece, and the part of the positioning material channel fixed in the end forming female die is in a shape matching with the shape of the end of the circular pipe after being processed.

4. The round pipe end forming device for buildings as claimed in claim 1, wherein the die shank is fixed in the die shank hole of the small press through a clamping plate, and the lower die base is fixed on the workbench of the small press through a clamping plate.