CN215998330U

CN215998330U - Oval flange forming device

Info

Publication number: CN215998330U
Application number: CN202120212172.0U
Authority: CN
Inventors: 臧枢
Original assignee: Jiangsu Changxin Electrical Equipment Co ltd
Current assignee: Jiangsu Changxin Electrical Equipment Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2022-03-11
Anticipated expiration: 2031-01-26

Abstract

The utility model discloses an elliptical flange forming device which is characterized in that a movable elliptical pressing die a and a fixed elliptical pressing die b are arranged on a workbench; the elliptical pressing die a is connected with the hydraulic cylinder, the right side of the elliptical pressing die b is provided with a limiting bracket, one end of the fixed seat is matched with the limiting bracket, and the other end of the fixed seat is fixed on the workbench; an inner lining ring and an outer lining ring are arranged between the elliptical pressing die a and the elliptical pressing die b; the limiting supports are symmetrically arranged in an L shape, the fixing seat comprises a limiting plate and a supporting plate which are perpendicular to each other, the adjacent supporting plates are arranged in parallel, and the supporting plates and the limiting plates, and the supporting plates and the workbench are connected and fixed through welding; the inner lining ring and the outer lining ring are both elastic bodies; the bottom of the elliptic pressing die a is provided with a sliding rail. The advantage is simple structure, and stability is good, convenient to use, and the shaping is effectual, reduces the frequency of secondary plastic, improves fashioned work efficiency, has reduced the cost of production and processing simultaneously.

Description

Oval flange forming device

Technical Field

The utility model relates to the field of flange machining, in particular to an elliptical flange forming device.

Background

The elliptical flange has wide application, particularly has higher use frequency on a glass lining reaction tank, and one glass lining reaction tank is provided with a plurality of elliptical manhole flanges. The manufacturing method of the oval manhole flange is mainly pressing by a press machine. The press machine in the prior art has a complex structure, directly acts on the flange with force, leads to uneven stress of the flange, has poor elliptical forming effect, often needs to carry out secondary shaping, wastes time and energy, reduces the forming efficiency of the elliptical flange, and has higher production cost.

Disclosure of Invention

The utility model aims to provide an elliptical flange forming device which is simple in structure, convenient to operate and good in forming effect and solves the technical problems.

In order to achieve the technical purpose and achieve the technical requirements, the utility model adopts the technical scheme that: the utility model provides an oval flange forming device which characterized in that: the device comprises a workbench arranged on a frame, wherein a movable elliptical pressing die a and a fixed elliptical pressing die b are arranged on the workbench; oval moulding-die a is connected with the pneumatic cylinder, and oval moulding-die b right side is provided with spacing support, and fixing base one end cooperatees with spacing support, and the other end is fixed on the workstation.

Preferably: an inner lining ring and an outer lining ring are arranged between the elliptical pressing die a and the elliptical pressing die b.

Preferably: the limiting support is arranged in a symmetrical L shape, the fixing seat comprises a limiting plate and a supporting plate which are perpendicular to each other, the adjacent supporting plates are arranged in parallel, and the supporting plate and the limiting plate, the supporting plate and the workbench are connected and fixed through welding.

Preferably: the inner lining ring and the outer lining ring are both elastic bodies.

Preferably: the bottom of the elliptic pressing die a is provided with a sliding rail.

The utility model has the beneficial effects; an oval flange forming device compares with traditional structure: the inner side of the pressing die is set into an arc shape matched with the formed flange by arranging the elliptical pressing die a and the elliptical pressing die b on the workbench, so that the forming effect is enhanced; the elliptical pressing die a is arranged to be movable, so that the flange can be conveniently taken and placed; one end of the fixed seat is fixed on the workbench, and the other end of the fixed seat is directly matched with the limiting bracket connected to the elliptical pressing die b, so that the installation of connecting accessories is reduced, and the effect of fixing and limiting is achieved; the elliptical pressing die a is connected with the hydraulic cylinder, the acting force of the hydraulic cylinder directly acts on the elliptical pressing die a, and the contact surface between the elliptical pressing die a and the flange is an arc surface, so that the flange is stressed uniformly, and the forming effect is improved; the utility model has the advantages of simple structure, good stability, convenient use and good molding effect, reduces the frequency of secondary shaping, improves the molding working efficiency and reduces the production and processing cost.

Drawings

FIG. 1 is a schematic structural view of the present invention;

in the figure: 1. a frame; 2. a work table; 3. an elliptical die a; 4. an elliptical die b; 5. a hydraulic cylinder; 6. a limiting bracket; 7. a fixed seat; 7-1, limiting plate; 7-2. a support plate; 8. an inner liner ring; 9. an outer liner ring; 10. a slide rail.

Detailed Description

In order to make the objects, technical solutions and advantageous technical effects of the present invention clearer, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments;

in the drawings: an oval flange forming device comprises a workbench 2 arranged on a frame 1, wherein a movable oval pressing die a3 and a fixed oval pressing die b4 are arranged on the workbench 2; oval moulding-die a3 is connected with pneumatic cylinder 5, and oval moulding-die b4 right side is provided with spacing support 6, and fixing base 7 one end cooperatees with spacing support 6, and the other end is fixed on workstation 2.

Specifically, an inner lining ring 8 and an outer lining ring 9 are arranged between the elliptical die a3 and the elliptical die b 4; the surface of the flange is prevented from being damaged, the limiting supports 6 are symmetrically arranged in an L shape, the fixing seat 7 comprises a limiting plate 7-1 and a supporting plate 7-2 which are perpendicular to each other, the adjacent supporting plates 7-2 are arranged in parallel, and the supporting plate 7-2 and the limiting plate 7-1, and the supporting plate 7-2 and the workbench 2 are fixedly connected through welding. The inner lining ring 8 and the outer lining ring 9 are both elastic bodies. The slide rail 10 is arranged at the bottom of the elliptical die a3, so that the left and right movement of the elliptical die a is convenient to realize.

The utility model is implemented specifically as follows: starting a hydraulic cylinder to enable the elliptical pressing die a to move leftwards, placing the circular flange between the elliptical pressing die a and the elliptical pressing die b, positioning the outer lining ring outside the excircle of the circular flange, and positioning the inner lining ring in the inner hole of the circular flange; and starting the hydraulic cylinder again, driving the elliptical pressing die a to move rightwards by the hydraulic cylinder, applying force to the flange through the elliptical pressing die a until the circular flange is pressed into the elliptical flange, finishing the forming of the elliptical flange, retreating the hydraulic cylinder, and taking out the elliptical flange. The arrangement of the outer lining ring and the inner lining ring effectively protects the surface quality of the flange. The outer lining ring and the inner lining ring are made of elastomers, so that the rebound effect is good, and the rubber ring can be repeatedly used.

The foregoing examples are given solely for the purpose of illustrating the utility model and are not to be construed as limiting the embodiments, and other variations and modifications in form thereof will be suggested to those skilled in the art upon reading the foregoing description, and it is not necessary or necessary to exhaustively enumerate all embodiments and all such obvious variations and modifications are deemed to be within the scope of the utility model.

Claims

1. The utility model provides an oval flange forming device which characterized in that: comprises a workbench (2) arranged on a frame (1), wherein the workbench (2) is provided with a movable elliptical pressing die a (3) and a fixed elliptical pressing die b (4); the elliptical pressing die a (3) is connected with the hydraulic cylinder (5), the limiting bracket (6) is arranged on the right side of the elliptical pressing die b (4), one end of the fixed seat (7) is matched with the limiting bracket (6), and the other end of the fixed seat is fixed on the workbench (2).

2. An elliptical flange forming apparatus as set forth in claim 1, wherein: an inner lining ring (8) and an outer lining ring (9) are arranged between the elliptical pressing die a (3) and the elliptical pressing die b (4).

3. An elliptical flange forming apparatus as set forth in claim 1, wherein: the limiting support (6) is arranged to be symmetrical L-shaped, the fixing seat (7) comprises a limiting plate (7-1) and a supporting plate (7-2) which are perpendicular to each other, the adjacent supporting plates (7-2) are arranged to be parallel to each other, and the supporting plate (7-2) and the limiting plate (7-1) and the supporting plate (7-2) and the workbench (2) are connected and fixed through welding.

4. An elliptical flange forming apparatus as set forth in claim 2, wherein: the inner lining ring (8) and the outer lining ring (9) are both elastic bodies.

5. An elliptical flange forming apparatus as set forth in claim 1, wherein: the bottom of the elliptic pressing die a (3) is provided with a slide rail (10).