CN204685846U - A kind of for processing the clod wash mould with radian steel pipe - Google Patents

Abstract

The utility model provides a cold-bending mold for processing a steel pipe with a radian, which comprises an upper mold base and a lower mold base. The upper mold base includes an upper fixing plate, an upper mold base and an inner angle transition plate. The inner angle The transition plate is installed in the middle of the upper fixed plate, and there are two upper mold bases. The two upper mold bases are respectively arranged on the left and right sides of the inner angle transition plate, and are arranged upwardly with the inner angle transition plate as the axis. The mold base includes a lower fixed plate, a lower mold base and an outer angle transition plate. The outer angle transition plate is installed in the middle of the lower fixed plate. There are two lower mold bases, and the two lower templates are the same size as the upper mold base. The lower template and the upper mold base cooperate to form a mold cavity, and the two lower mold bases are respectively arranged on the left and right sides of the outer angle transition plate, and the outer angle transition plate is used as the axis to be inclined upward. The utility model has the advantages of simple structure, convenient operation, high production efficiency and high processing precision, and is suitable for bending processing of various curved steel pipes.

Description

A cold bending die for processing curved steel pipes

technical field

The utility model relates to a steel pipe processing die, in particular to a cold bending die for processing a steel pipe with a radian.

Background technique

With the rapid development of modern industrial technology, the appearance of cold bending pipe bending machine has made the processing of profile parts in small and medium batches well solved. As an important process of steel structure manufacturing, profile processing has very high requirements for the precision of cold bending of pipe benders. Cold bending of pipe benders plays a vital role in the current and future manufacturing accuracy.

The cold bending die is an important component of the cold pipe machine. The structure of the existing cold bending die is relatively complicated, and a certain processing allowance must be reserved when the profile is cold bent, which causes a lot of waste of materials. At the same time, the existing Cold bending dies are generally only suitable for steel pipes with small diameters, and cannot process curved steel pipes, which increases the limitations of use.

Contents of the invention

The utility model aims at the deficiencies of the prior art, and provides a cold-bending die for processing steel pipes with radians.

The technical scheme adopted by the utility model is as follows: a cold-bending mold for processing a steel pipe with a radian, including an upper mold base and a lower mold base, the upper mold base is matched with the lower mold base, and the upper mold base includes an upper mold base Fixed plate, upper mold base and inner angle transition plate, the upper fixed plate is arranged horizontally and parallel, the inner angle transition plate is installed in the middle of the upper fixed plate, there are two upper mold bases, and the two upper mold bases are respectively arranged on The left and right sides of the inner angle transition plate are arranged obliquely upwards with the inner angle transition plate as the axis. The lower mold base includes a lower fixed plate, a lower mold base and an outer angle transition plate. The lower fixed plate is horizontally arranged in parallel. The outer angle transition plate is installed in the middle of the lower fixed plate. There are two lower mold bases. The two lower mold bases are the same size as the upper mold base. The seats are respectively arranged on the left and right sides of the outer angle transition plate, and the outer angle transition plate is used as the axis center to be inclined upward.

Further, the two upper mold bases are installed on the bottom of the upper fixing plate through several upper reinforcing ribs.

Further, the inner angle transition plate is a block structure, and a semicircular through groove is arranged inside it.

Further, the size of the through groove is the same as the diameter of the two upper mold bases.

Further, the bottom end of the inner angle transition plate has a horizontal upper support surface.

Further, the two lower templates are installed on the bottom of the lower fixing plate through several lower reinforcing ribs.

Further, the outer angle transition plate is a block structure, and a semicircular through groove is arranged inside it, and the size of the through groove is the same as the diameter of the two lower mold bases.

Further, the top end of the outer angle transition plate has a lower horizontal support surface.

Further, the width of the outer angle transition plate is greater than the width of the inner angle transition plate.

Compared with the prior art, the utility model sets the outer angle transition plate and the inner angle transition plate, and sets inclined settings at both ends of the outer angle transition plate and the inner angle transition plate to form a linear surface for profile bending, and utilizes the outer angle transition The steel plate and the inner angle transition plate are used to bend the steel pipe to realize the processing of the curved steel pipe. The utility model has the advantages of simple structure, convenient operation, high production efficiency and high processing precision, and is suitable for bending processing of various curved steel pipes.

Description of drawings

Accompanying drawing 1 is the structural representation of the cold-bending mold that is used for processing arc steel pipe described in the utility model;

Accompanying drawing 2 is the use schematic diagram of the cold-bending mold for processing the steel pipe with radian described in the utility model.

Accompanying drawing 3 is the front view of the cold-bending mold for processing the steel pipe with radian described in the utility model;

Accompanying drawing 4 is the side view of the cold-bending mold for processing the steel pipe with radian described in the utility model.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. For example, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

As shown in Figure 1, a kind of cold-bending mold that is used for processing the steel pipe with radian, comprises upper mold base 1 and lower mold base 2, and described upper mold base 1 and lower mold base 2 are used for carrying out the cold-bending mold with radian steel pipe. processing.

As shown in Fig. 2 and Fig. 3, the upper mold base 1 includes an upper fixed plate 11, an upper mold base 12 and an inner angle transition plate 13, the upper fixed plate 11 is horizontally arranged in parallel, and the inner angle transition plate 13 is installed In the middle part of the upper fixed plate 11, the upper mold base 12 has two pieces, and the two upper mold bases 12 are semi-cylindrical, and the two upper mold bases 12 are installed on the top of the upper fixed plate 11 by several upper ribs 14. The bottom end, and the two upper mold bases 12 are respectively arranged on the left and right sides of the inner angle transition plate 13, and are arranged upwardly with the inner angle transition plate 13 as the axis to form a linear surface for bending of the profile. The inner angle transition plate 13 It is a block structure, and its inside is provided with a semicircular through groove (not shown), the size of the through groove is the same as the diameter of the two upper mold bases 12, and the bottom end of the inner angle transition plate 13 has a horizontal upper The supporting surface 131 is used for cooperating with the lower mold base 2 .

Described lower mold base 2 comprises lower fixed plate 21, lower mold base 22 and outer angle transition plate 23, and described lower fixed plate 21 is horizontally arranged in parallel, and described outer angle transition plate 23 is installed in the middle part of lower fixed plate 21, and described Lower mold base 22 has two, as shown in Figure 4, two lower templates 12 are semi-cylindrical and identical with the size of upper mold base 12, described lower template 12 cooperates with upper mold base 12 to form a die cavity 4 , the mold cavity 4 is used to place the steel pipe 3, and the two lower templates 12 are installed on the bottom of the lower fixing plate 21 through several lower reinforcing ribs 24, and the two lower mold bases 22 are respectively arranged on the left and right sides of the outer angle transition plate 23, and The outer angle transition plate 23 is arranged obliquely upward on the axis to form a linear surface for bending the profile. The outer angle transition plate 23 is a block structure, and a semicircular through groove (not shown) is arranged inside it, through which the The size of the groove is the same as the diameter of the two lower mold bases 22, and the top of the outer angle transition plate 23 has a horizontal support surface 231. Further, in order to improve the use effect, the width of the outer angle transition plate 23 is greater than that of the inner angle transition The width of the plate 13 , that is, the area of the lower horizontal support surface 231 is larger than the area of the upper support surface 131 .

When in use, first place the steel pipe 3 to be bent on the two lower templates 12, then align the position to be bent with the center of the outer angle transition plate 23, then close the upper mold base 1, and use a hydraulic press to fix it on the upper A downward pressure is applied on the plate 11, and the upper mold base 1 presses down, and the steel pipe 3 is supported by the lower mold base 2. The vertical pressure generates a bending force on the steel pipe 3 through the inner angle transition plate 13. A linear surface for profile bending is provided between the upper formwork and the lower formwork, and the steel pipe 3 deforms slowly. When the upper mold base 1 and the lower mold base 2 overlap, the bending operation is completed.

The utility model is provided with an outer angle transition plate and an inner angle transition plate, and the two ends of the outer angle transition plate and the inner angle transition plate are provided with inclined settings to form a linear surface for profile bending, and utilizes the functions of the outer angle transition plate and the inner angle transition plate The steel pipe is bent to realize the processing of the curved steel pipe. The utility model has the advantages of simple structure, convenient operation, high production efficiency and high processing precision, and is suitable for bending various curved steel pipes.

The above is only an embodiment of the utility model, and does not limit the patent scope of the utility model. Any equivalent structure or equivalent process conversion made by using the content of the utility model description, or directly or indirectly used in other related technologies Fields are all included in the scope of patent protection of the utility model in the same way.

Claims (9)

1. A cold-bending mold for processing curved steel pipes, comprising an upper mold base (1) and a lower mold base (2), the upper mold base (1) is matched with the lower mold base (2), and its characteristics In that: the upper die base (1) includes an upper fixed plate (11), an upper die base (12) and an inner angle transition plate (13), the upper fixed plate (11) is horizontally arranged in parallel, and the inner angle transition plate ( 13) Installed in the middle of the upper fixing plate (11), the upper mold base (12) has two pieces, and the two upper mold bases (12) are respectively arranged on the left and right sides of the inner angle transition plate (13), and the inner angle The transition plate (13) is inclined upwards for the axial center, and the lower mold base (2) includes the lower fixed plate (21), the lower mold base (22) and the outer angle transition plate (23), and the lower fixed plate (21 ) are horizontally arranged in parallel, the outer angle transition plate (23) is installed in the middle part of the lower fixed plate (21), and the lower mold base (22) has two pieces, two lower templates (12) and upper mold base (12) The same size, the lower template (12) cooperates with the upper mold base (12) to form a mold cavity (4), and the two lower mold bases (22) are respectively arranged on the left and right sides of the outer angle transition plate (23), and outside The angle transition plate (23) is arranged upwardly for the axis center. 2. The cold-bending mold for processing curved steel pipes according to claim 1, characterized in that: the two upper mold bases (12) are installed on the upper fixing plate (11) through several upper ribs (14) ) at the bottom end. 3. The cold bending die for processing curved steel pipes according to claim 1, characterized in that: the inner angle transition plate (13) is a block structure, and a semicircular through groove is arranged inside it. 4. The cold bending die for processing curved steel pipes according to claim 3, characterized in that: the size of the through groove is the same as the diameter of the two upper die bases (12). 5. The cold bending die for processing curved steel pipes according to claim 1, characterized in that: the bottom end of the inner angle transition plate (13) has a horizontal upper support surface (131). 6. The cold-bending mold for processing arc steel pipes according to claim 1, characterized in that: the two lower templates (12) are installed on the bottom of the lower fixing plate (21) through several lower ribs (24). bottom end. 7. The cold-bending die for processing curved steel pipes according to claim 1, characterized in that: the outer angle transition plate (23) is a block structure, and a semicircular through groove is arranged inside it, through which The size of groove is identical with the diameter of two lower mold bases (22). 8. The cold bending die for processing curved steel pipes according to claim 1, characterized in that: the top end of the outer angle transition plate (23) has a lower horizontal support surface (231). 9. The cold bending die for processing curved steel pipes according to claim 1, characterized in that: the width of the outer angle transition plate (23) is greater than the width of the inner angle transition plate (13).