CN211727166U

CN211727166U - Novel rectangular pipe punching die

Info

Publication number: CN211727166U
Application number: CN201922341330.8U
Authority: CN
Inventors: 韩瑞平; 郑泽冈; 王庆余
Original assignee: Shandong Xingrui Building Materials Co ltd
Current assignee: Shandong Xingrui Building Materials Co ltd
Priority date: 2019-12-21
Filing date: 2019-12-21
Publication date: 2020-10-23
Anticipated expiration: 2029-12-21

Abstract

The utility model relates to a square tube processing technology field, concretely relates to novel square tube cut-out press. The lower die is fixed on the base, the lower die is of a concave structure, a groove is formed in the base, the lower die is arranged in the groove, a connecting lug is arranged on the outer side of the lower die, and the connecting lug is fixed on the base through a bolt I; a punching die core is arranged in the lower die and comprises a die core body and a lower fixing plate, one end of the die core body and one end of the lower fixing plate are connected into a whole through a connecting plate, the free end of the die core body is provided with a prismatic table structure with the section becoming smaller outwards, and the upper surface of the punching die core is provided with a punching groove; the top of the upper die is provided with a preformed hole. The utility model discloses a change traditional fixed mode cut-out press into running-on die, to the quarter bend size that will process, the size of adjustment rectangle mould chamber and punching die core is in order to adapt to the quarter bend internal diameter, and not only accuracy but also machining efficiency improves, the cost is reduced.

Description

Novel rectangular pipe punching die

Technical Field

The utility model relates to a square tube processing technology field, concretely relates to novel square tube cut-out press.

Background

In the industrial production process, holes are often needed to be punched on rectangular pipe sections, the existing treatment method is to manufacture a die by punching holes in each shape, each section punching die cannot be commonly used among different parts, so a large number of dies are newly customized in the production process, and the material cost and the processing cost for manufacturing the dies are increased. If a plurality of similar punching dies can be combined together, the material cost and the manufacturing time of the punching dies are greatly reduced, and the processing efficiency is improved.

SUMMERY OF THE UTILITY MODEL

The above-mentioned not enough to prior art, the utility model provides a novel square tube cut-out press changes the running-on mould into through the fixed mode cut-out press with traditional, to the square tube size that will process, adjusts the size of rectangle mould chamber and the mold core that punches a hole in order to adapt to the square tube internal diameter, and not only accuracy but also machining efficiency improves, the cost is reduced.

The technical scheme of the utility model as follows:

the utility model provides a novel square tube cut-out press, includes base, bed die and last mould, the bed die is fixed on the base, its characterized in that: the lower die is of a concave structure, a groove is formed in the base, the lower die is arranged in the groove, a connecting lug is arranged on the outer side of the lower die, and the connecting lug is fixed on the base through a bolt I; a punching mold core is arranged in the lower mold, the punching mold core is of a C-shaped structure and comprises a mold core body and a lower fixing plate, one end of the mold core body and one end of the lower fixing plate are connected into a whole through a connecting plate, the free end of the mold core body is provided with a prismatic table structure with the section being outwards reduced, and the upper surface of the punching mold core is provided with a punching groove; the upper die is a U-shaped die with a downward opening, the upper die is fixed on the lower die through a bolt II, and a preformed hole is formed in the top of the upper die.

Preferably, a limiting groove is formed in the concave structure of the lower die, the lower fixing plate is arranged in the limiting groove, a bolt preformed groove I is formed in the bottom of the lower die, and the lower fixing plate is fixed through a bolt III arranged in the bolt preformed groove I.

Preferably, the U-shaped upper die and the concave lower die are connected to form a rectangular die cavity, a limiting plate I is arranged on the inner side face of the upper die, the height of the limiting plate I is equal to that of the rectangular die cavity, a bolt preformed groove II is formed in the outer side face of the upper die, and the limiting plate I is fixed through a bolt IV arranged in the bolt preformed groove II.

Preferably, the die core body is further provided with a limiting plate II, the limiting plate II is provided with a bolt preformed groove III, and the limiting plate II is fixed on the side edge of the die core body through a bolt V arranged in the bolt preformed groove III.

Preferably, the width of the mold core body is wider than that of the reserved hole, and the height of the limiting plate II is smaller than that of the mold core body. The width of mold core body is wider than the width in preformed hole and can guarantee the uniformity of atress in the in-process of pushing down, and limiting plate I can play the inboard effect of support rectangular pipe, but can not guarantee its intensity under the impact force of pushing down, makes the size deviation of hole easily, and the width in preformed hole of consequently mold core body is wide to have very big effect.

The installation process of the mechanism is as follows:

before the punching die is used, a limiting plate II on the die core body is installed according to the size of the rectangular tube, and after the limiting plate II is installed, a bolt preformed groove I is formed in the bottom of the lower die to fix the lower die and the lower fixing plate. The engaging lug is fixedly connected with the lower die, the lower die is fixed on the base through the engaging lug, and the base groove design enables the die to be more firmly connected with the base, so that the transverse displacement is not easy to occur. And after the lower die is installed, the upper die and the lower die are butted and fastened.

The beneficial effects of the utility model

The utility model relates to a novelty, simple, easy operation. This application changes traditional fixed mode cut-out press into the running-on mould, to the square tube size that will process, adjusts rectangle mould chamber size, and the size of adjustment punching die core is in order to adapt to the square tube internal diameter, and not only accuracy but also machining efficiency improves, the cost is reduced. The design of preformed hole can guarantee fixed intensity at the in-process of installation, also can not disturb the installation of other parts, convenient and fast.

Drawings

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

Fig. 1 is a schematic structural diagram of the present invention.

FIG. 2 is the schematic structural diagram of the punching mold core of the present invention

The punching die comprises a base 1, a lower die 2, an upper die 3, a groove 4, a connecting lug 5, a punching die core 6, a die core body 7, a lower fixing plate 8, a connecting plate 9, a limiting groove 10, a limiting plate I, a rectangular die cavity 12, a limiting plate II and a preformed hole 14.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Example 1

A novel rectangular tube punching die comprises a base 1, a lower die 2 and an upper die 3, wherein the lower die 2 is fixed on the base 1, the lower die 2 is of a concave structure, a groove 4 is formed in the base 1, the lower die 2 is arranged in the groove 4, a connecting lug 5 is arranged on the outer side of the lower die 2, and the connecting lug 5 is fixed on the base through a bolt I; a punching mold core 6 is arranged in the lower mold 2, the punching mold core 6 is of a C-shaped structure and comprises a mold core body 7 and a lower fixing plate 8, one ends of the mold core body 7 and the lower fixing plate 8 are connected into a whole through a connecting plate 9, the free end of the mold core body 7 is provided with a frustum pyramid structure with an outward-reduced cross section, and the upper surface of the punching mold core 6 is provided with a punching groove; go up mould 3 and be the U-shaped mould that the opening is decurrent, go up mould 3 and pass through bolt II to be fixed on lower mould 2, go up 3 tops of mould and be provided with the preformed hole. Be provided with spacing groove 10 in the 2 spill structures of bed die, bottom plate 8 sets up in

spacing groove

10, and 2 bottoms of bed die are provided with bolt preformed groove I, and bottom plate 8 is fixed through the bolt III that sets up in bolt preformed groove I. Mould 3 forms rectangle mould chamber 12 after being connected with spill bed die 2 on the U-shaped, goes up 3 medial surfaces of mould and is provided with limiting plate I11, and the height of limiting plate I11 is the same with the height in rectangle mould chamber 12, goes up 3 lateral surfaces of mould and is provided with bolt preformed groove II, and limiting plate I11 is fixed through the bolt IV that sets up in bolt preformed groove II. And a limiting plate II 13 is further arranged on the mold core body 7, a bolt preformed groove III is arranged on the limiting plate II 13, and the limiting plate II 13 is fixed on the side edge of the mold core body 7 through a bolt V arranged in the bolt preformed groove III. The width of the die core body 7 is wider than that of the preformed hole 14, and the height of the limiting plate II 13 is smaller than that of the die core body.

Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a novel square tube cut-out press, includes base, bed die and last mould, the bed die is fixed on the base, its characterized in that: the lower die is of a concave structure, a groove is formed in the base, the lower die is arranged in the groove, a connecting lug is arranged on the outer side of the lower die, and the connecting lug is fixed on the base through a bolt I;

a punching mold core is arranged in the lower mold, the punching mold core is of a C-shaped structure and comprises a mold core body and a lower fixing plate, one end of the mold core body and one end of the lower fixing plate are connected into a whole through a connecting plate, the free end of the mold core body is provided with a prismatic table structure with the section being outwards reduced, and the upper surface of the punching mold core is provided with a punching groove;

the upper die is a U-shaped die with a downward opening, the upper die is fixed on the lower die through a bolt II, and a preformed hole is formed in the top of the upper die.

2. The novel rectangular tube punching die of claim 1, characterized in that: be provided with the spacing groove in the lower mould spill structure, the bottom plate sets up at the spacing inslot, the lower mould bottom is provided with bolt preformed groove I, the bottom plate passes through the bolt III that sets up in the bolt preformed groove I and fixes.

3. The novel rectangular tube punching die of claim 1, characterized in that: the U-shaped upper die and the concave lower die are connected to form a rectangular die cavity, a limiting plate I is arranged on the inner side face of the upper die, the height of the limiting plate I is the same as that of the rectangular die cavity, a bolt preformed groove II is formed in the outer side face of the upper die, and the limiting plate I is fixed through a bolt IV arranged in the bolt preformed groove II.

4. The novel rectangular tube punching die of claim 1, characterized in that: the die core body is further provided with a limiting plate II, a bolt preformed groove III is formed in the limiting plate II, and the limiting plate II is fixed on the side edge of the die core body through a bolt V arranged in the bolt preformed groove III.

5. The novel rectangular tube punching die of claim 4, characterized in that: the width of the die core body is wider than that of the preformed hole, and the height of the limiting plate II is smaller than that of the die core body.