CN219616515U

CN219616515U - Hydraulic expansion flanging die

Info

Publication number: CN219616515U
Application number: CN202320303794.3U
Authority: CN
Inventors: 陈新明
Original assignee: Changchun Zhile Machinery Manufacturing Co ltd
Current assignee: Changchun Zhile Machinery Manufacturing Co ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-09-01
Anticipated expiration: 2033-02-24

Abstract

The utility model discloses a hydraulic expansion flanging die, which comprises a lower die plate which is horizontally arranged, wherein a circular ring is arranged on a plate body of the lower die plate, and a female die assembly is arranged in the circular ring; the first material returning mechanism is connected to the lower die plate and positioned in the annular inner ring; the upper template is arranged in parallel with the lower template, and the upper template and the lower template are connected through two guide column components arranged diagonally and the distance is changed through the guide column components; the male die assembly is connected to the lower end of the upper die plate; and the second material returning mechanism is arranged on the male die assembly. The hydraulic expansion flanging die disclosed by the utility model is simple in structure, can be produced by using a hydraulic machine commonly used in factories, is low in equipment cost for project investment, low in production cost, fast in beat and low in operation difficulty, and meanwhile, is low in equipment spare part cost.

Description

Hydraulic expansion flanging die

Technical Field

The utility model relates to the technical field of pipe fitting processing dies, in particular to a hydraulic expansion flanging die.

Background

The stainless steel pipe is a hollow strip round steel material and is mainly widely used for industrial conveying pipelines, mechanical structural parts and the like of petroleum, chemical industry, medical treatment, food, light industry, mechanical instruments and the like. In addition, since the weight is light when bending and torsional strength are the same, the material is widely used for manufacturing machine parts and engineering structures. It is also commonly used as a furniture kitchen ware and the like. The stainless steel tube is processed and molded by using a plurality of different molding dies, and a hydraulic flanging die is one of the important dies.

At present, a stainless steel pipe is expanded and turned up, and hump equipment is generally used for manufacturing, and the hump equipment has the following defects: firstly, the use cost is high, and the occupied project expense proportion is large; secondly, the hump equipment has high spare part cost and long period, and influences product delivery.

Based on the above technical problems, those skilled in the art need to develop a hydraulic expansion flanging die with simple structure, low cost of use and spare parts, and effectively improved efficiency.

Disclosure of Invention

The utility model aims to provide the hydraulic expansion flanging die which is simple in structure, low in use and spare part cost and capable of effectively improving efficiency.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model relates to a hydraulic expansion flanging die, which comprises:

the lower template is horizontally arranged, a circular ring is arranged on the template body, and a female die assembly is arranged in the circular ring; and

the first material returning mechanism is connected to the lower die plate and positioned in the annular inner ring;

the flanging die further comprises:

the upper template is arranged in parallel with the lower template, and the upper template and the lower template are connected through two guide column components arranged diagonally and the distance is changed through the guide column components;

the male die assembly is connected to the lower end of the upper die plate;

and the second material returning mechanism is arranged on the male die assembly.

Further, the flanging die further comprises a limiting column arranged between the lower die plate and the upper die plate.

Further, the female die assembly comprises a female die connecting piece arranged in the circular ring, and the female die connecting piece is of a hollow cylinder structure; and

and the female die is connected to the female die connecting piece.

Further, the first material returning mechanism comprises a backing plate connected to the lower template; and

a backing plate pressing block connected to the upper end of the backing plate;

a plurality of first material returning screws arranged on the backing plate pressing block;

and the first spring is sleeved on the first material returning screw.

Further, the guide pillar assembly comprises two connecting plates which are vertically opposite, and the two connecting plates are respectively connected with the upper die plate and the lower die plate through bolts; and

the guide post is arranged between the two connecting plates;

and the guide sleeve is sleeved on the guide post.

Further, the punch assembly includes a first punch; and

and the second male die is connected to the upper part of the first male die, and the diameter of the first male die is smaller than that of the second male die.

Further, the second material returning mechanism comprises a plurality of second material returning screws arranged on the second male die; and

and the second spring is sleeved on the second material returning screw.

Preferably, the limiting columns are provided with two limiting columns which are respectively connected with two corners at the upper end of the lower template.

In the technical scheme, the hydraulic expanding flanging die provided by the utility model has the following structure

The beneficial effects are that:

the hydraulic expansion flanging die disclosed by the utility model is simple in structure, can be produced by using a hydraulic machine commonly used in factories, is low in equipment cost for project investment, low in production cost, fast in beat and low in operation difficulty, and meanwhile, is low in equipment spare part cost.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

Fig. 1 is a schematic diagram of the overall structure of a hydraulic expansion flanging die provided by an embodiment of the utility model;

fig. 2 is a schematic diagram of an internal structure of a hydraulic expansion flanging die provided by an embodiment of the utility model;

fig. 3 is a cross-sectional view of a hydraulic expanding port flanging die provided by an embodiment of the utility model.

Reference numerals illustrate:

1. a lower template; 2. a female die assembly; 3. a first material returning mechanism; 4. an upper template; 5. a guide post assembly; 6. a male die assembly; 7. a second material returning mechanism; 8. a limit column;

101. a circular ring;

201. a female die connecting piece; 202. a female die;

301. a backing plate; 302. pressing a backing plate into a block; 303. a first material returning screw; 304. a first spring;

501. a connecting plate; 502. a guide post; 503. guide sleeve;

601. a first punch; 602. a second male die;

701. a second material returning screw; 702. and a second spring.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

See fig. 1-3;

the lower template 1 is horizontally arranged, a plate body of the lower template is provided with a circular ring 101, and a female die assembly 2 is arranged in the circular ring 101; and

the first material returning mechanism 3 is connected to the lower die plate 1 and positioned in the inner ring of the circular ring 101;

the flanging die further comprises:

the upper template 4 is arranged in parallel with the lower template 1, the upper template 4 and the lower template 1 are connected through two guide column assemblies 5 which are diagonally arranged, and the distance is changed through the guide column assemblies 5;

a male die assembly 6 connected to the lower end of the upper die plate 4;

a second material returning mechanism 7 arranged on the male die assembly 6.

As a further introduction to this embodiment, the flanging die further includes a limiting post 8 disposed between the lower die plate 1 and the upper die plate 4.

As a further introduction to this embodiment, the female die assembly 2 includes a female die connector 201 disposed in the ring 101, and the female die connector 201 has a hollow cylinder structure; and

the female die 202 is connected to the female die connecting piece 201, and the female die 202 and the female die connecting piece 201 together form a lower cavity for placing a stainless steel pipe fitting to be formed.

As a further introduction to the present embodiment, the first material returning mechanism 3 includes a pad 301 connected to the lower die plate 1; and

a pad pressing block 302 connected to an upper end of the pad 301;

a plurality of first material returning screws 303 arranged on the backing plate pressing block 302;

and a first spring 304 sleeved on the first material returning screw 303.

As a further introduction to the present embodiment, the guide pillar assembly 5 includes two connecting plates 501 opposite to each other from top to bottom, and the two connecting plates 501 are respectively connected to the upper die plate 4 and the lower die plate 1 by bolts; and

a guide post 502 disposed between the two connection plates 501;

and a guide sleeve 503 sleeved on the guide post 502. The upper and lower connecting plates 501 are respectively connected to the upper die plate 4 and the lower die plate 1 through a plurality of bolts, the distance between the upper die plate 4 and the lower die plate 1 is changed through sliding fit of the guide posts 502 and the guide sleeves 503, and the limiting columns 8 are arranged to be the lowest limit between the upper die plate 4 and the lower die plate 1, so that the pipe fittings are prevented from being damaged due to too close distance.

As a further introduction to this embodiment, the punch assembly 6 includes a first punch 601; and

and a second punch 602 connected to an upper portion of the first punch 601, the first punch 601 having a diameter smaller than that of the second punch 602.

As a further description of the present embodiment, the second material returning mechanism 7 includes a plurality of second material returning screws 701 disposed on the second punch 602; and

and a second spring 702 sleeved on the second material returning screw 701.

As a preferable technical solution of this embodiment, the limiting posts 8 are provided with two limiting posts respectively connected to two corners of the upper end of the lower die plate 1.

The working principle is as follows:

firstly, starting the hydraulic press to enable the guide pillar assembly 5 to work, lengthening the distance between the upper die plate 4 and the lower die plate 1, separating an upper die cavity from a lower die cavity, placing a pipe fitting to be formed in the lower die cavity, starting a double-hand button, enabling the hydraulic press to work, enabling the upper die plate 4 and the lower die plate 1 to be opened through the guide pillar assembly 5, separating the upper die cavity from the lower die cavity, resetting the hydraulic press, and taking out a finished pipe fitting.

The beneficial effects are that:

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides a hydraulic pressure mouth turn-ups mould that expands, its characterized in that, this turn-ups mould includes:

the lower die plate (1) is horizontally arranged, a circular ring (101) is arranged on the plate body of the lower die plate, and a female die assembly (2) is arranged in the circular ring (101); and

the first material returning mechanism (3) is connected to the lower die plate (1) and is positioned in the inner ring of the circular ring (101);

the flanging die further comprises:

an upper template (4) arranged in parallel with the lower template (1), wherein the upper template (4) and the lower template (1) are connected through two guide column assemblies (5) arranged diagonally, and the distance is changed through the guide column assemblies (5);

the male die assembly (6) is connected to the lower end of the upper die plate (4);

and the second material returning mechanism (7) is arranged on the male die assembly (6).

2. The hydraulic expanding flanging die according to claim 1, characterized in that the flanging die further comprises a limit post (8) provided between the lower die plate (1) and the upper die plate (4).

3. The hydraulic expanding and flanging die according to claim 1, wherein the die assembly (2) comprises a die connector (201) arranged in the circular ring (101), the die connector (201) having a hollow cylinder structure; and

and a female die (202) connected to the female die connecting piece (201).

4. The hydraulic expanding flanging die according to claim 1, wherein the first material-returning mechanism (3) comprises a backing plate (301) connected to the lower die plate (1); and

a pad pressing block (302) connected to the upper end of the pad (301);

a plurality of first material returning screws (303) arranged on the backing plate pressing block (302);

and a first spring (304) sleeved on the first material returning screw (303).

5. The hydraulic expanding and flanging die according to claim 1, characterized in that the guide pillar assembly (5) comprises two connecting plates (501) which are vertically opposite, and the two connecting plates (501) are respectively connected to the upper die plate (4) and the lower die plate (1) through bolts; and

the guide post (502) is arranged between the two connecting plates (501);

and the guide sleeve (503) is sleeved on the guide post (502).

6. The hydraulic expanding and flanging die according to claim 1, characterized in that the punch assembly (6) comprises a first punch (601); and

and a second punch (602) connected to an upper portion of the first punch (601), the first punch (601) having a diameter smaller than that of the second punch (602).

7. The hydraulic expanding flanging die according to claim 6, wherein the second material-returning mechanism (7) comprises a plurality of second material-returning screws (701) provided on the second male die (602); and

and a second spring (702) sleeved on the second material returning screw (701).

8. The hydraulic expansion flanging die according to claim 2, wherein the limiting columns (8) are provided with two limiting columns which are respectively connected to two corners of the upper end of the lower die plate (1).