CN215745851U - Angle steel combination punching and angle punching die - Google Patents

Abstract

The utility model particularly relates to an angle steel combined punching and angle punching die, and belongs to the technical field of metal processing dies. For punch angle there is: the punch is single in shape, and multiple times of stamping forming are needed when parts with complex shapes are stamped and processed; the connection between the die and the punch is complex, and the process of replacing the punch is complicated; the material stamping deformation position is determined manually, and the product error is large. Designed a combination of angle steel punching and attack angle mould, include: lower mould, drift, upper die, sleeve, loop bar. The utility model provides a die capable of quickly realizing angle steel combined punching and angle-punching, which can be safely and conveniently connected with a punching machine, is convenient for angle steel loading and unloading, and has important significance for improving angle steel punching and angle-punching efficiency and reducing processing cost.

Description

Angle steel combination punching and angle punching die

Technical Field

The utility model belongs to the technical field of metal processing dies, and particularly relates to an angle steel combined punching and angle punching die.

Background

The angle steel is a long-strip steel with two mutually vertical sides, can be welded to form different stress members as required, can also be used as a connecting piece between structures, has simple section, convenient production and processing and better bearing capacity, and is widely applied to various buildings and engineering structures, such as bridges, hoisting machinery, warehouse goods shelves and the like. The stamping is a processing method for separating and obtaining the required shape by applying external force to the material by a stamping machine and a die, and has the advantages of high stamping efficiency, low cost, good cross-section state and great technical advantages in the processing process of the angle steel.

The punching and angle-punching technology is relatively mature, and the angle steel with various shapes can be punched by replacing a special die punch. However, these methods have the following outstanding problems in different degrees: firstly, the punch is single in shape, and multiple times of stamping forming are needed when complex-shaped parts are stamped and processed; secondly, the connection between the die and the punch is complex, and the process of replacing the punch is complicated; and thirdly, the material stamping deformation position is determined manually, and the product error is large.

Therefore, the combined punching and angle punching die is developed aiming at the bottleneck problem in the angle steel punching and angle punching process, provides technical support for angle steel punching and forming, and has wide application prospect.

Disclosure of Invention

The utility model aims to provide a safe and efficient angle steel combined punching and angle punching die, which guarantees the improvement of angle steel punching forming processing efficiency and section quality and the reduction of cost. The angle steel punching and angle punching die can be conveniently butted with a punching machine on the premise of ensuring safety, and the punching forming of the complex section of the angle steel is quickly realized.

In order to achieve the purpose, the utility model adopts the following design scheme:

an angle iron combination punching and angle-punching die is shown in fig. 1 and comprises: the device comprises a lower die, a punch, an upper die, a sleeve and a loop bar;

the lower die is characterized by comprising a lower die bottom plate, a lower die middle plate, a right-angle stop block and a positioning plate, wherein 4 threaded holes with the same diameter are formed in all three plates, the three plates can be fixed together by utilizing bolts, meanwhile, a rectangular groove is formed in the lower die bottom plate, waste materials generated by stamping can fall off freely, the influence of the waste materials is avoided during the next stamping, a through hole with the same shape as a punch is formed in the lower die middle plate, the waste materials are separated from angle steel during stamping deformation, the positioning plate comprises a pressing plate and a baffle plate, as shown in figure 2, the pressing plate is of a right-angle structure and is mainly used for limiting the vertical displacement of the angle steel, the baffle plate is of a cuboid structure, the rectangular groove is formed in the side part close to the pressing plate, the right-angle stop block is embedded into the groove, the width of the right-angle stop block is matched with the punch, the angle steel on the two sides of the punch can be stamped and formed simultaneously, and the vertical surface of the angle steel is tightly attached to the baffle plate on the lower die middle plate, the end face is tightly attached to the right-angle stop block, so that the positioning of the angle steel can be quickly realized, and the stamping precision is high;

the punch is characterized by consisting of a symmetrical special-shaped structure and a cylinder, the special-shaped cross section and the round hole can be formed at the end parts of two angle steels by symmetrical punching, the processing speed is doubled, the upper threaded hole is used for connecting the punch and the middle plate of the upper die, and the punching forming of the angle steels in various shapes can be realized by replacing the punch, the punching support plate and the middle plate of the lower die according to different punching shapes;

the upper die is characterized by comprising an upper die top plate with a cylinder, an upper die middle plate and a punch limiting plate, wherein 4 threaded holes with the same diameter are formed in all three plates, the three plates can be fixed together by using bolts, the cylinder above the upper die top plate can be connected with a punching machine, the punching machine drives the upper die and a punch to press downwards to complete punching forming, the shape of a through hole in the middle of the punch limiting plate is consistent with that of the punch, the punch is placed into the punch limiting plate hole to be connected with the upper die middle plate, then the whole upper die top plate is connected with the upper die top plate, the through hole of the punch limiting plate limits the planar displacement of the punch, and the punching forming precision is guaranteed;

the sleeve and the loop bar are characterized in that the sleeve is two thin-wall cylinders fixed on a top plate of the upper die, the loop bar is a cylinder with the diameter being the same as the inner diameter of the cylinder, the loop bar is fixed on the lower die, and the loop bar slides on the inner wall of the sleeve to realize the positioning of the upper die and the lower die and prevent the relative position deviation of the upper die and the lower die.

Through the design scheme, a convenient and efficient angle steel combined punching and angle punching die is formed, and the purposes of improving the processing efficiency and the section quality of angle steel punching forming and reducing the cost can be achieved.

The utility model has the following beneficial effects:

1. the angle iron positioning device can quickly realize the positioning of angle iron, the relative positions of the upper die and the lower die are fixed by the sleeve and the loop bar structure, the plane position of the punch is fixed under the action of the punch limiting plate, the punching position is accurate, and the section quality is high;

2. according to the utility model, the punch is designed into a symmetrical replaceable special-shaped structure, the forming of the special-shaped combined section of the end parts of the two angle steels can be realized by one-time stamping, the processing efficiency is greatly improved, the punch is of a replaceable structure, and the application range of a die is obviously enlarged;

3. the angle steel stamping forming die is simple in structure, convenient to replace and safe to use, and is an advanced angle steel stamping forming die.

Drawings

FIG. 1 is a schematic view of a multi-specification combined punching and angle-punching die for angle steel.

FIG. 2 is a schematic view of a positioning plate of the multi-specification combined punching and punching angle die for angle steel of the present invention.

Detailed Description

Referring to fig. 1, firstly, a punch 5 is inserted into a through hole of a punch limiting plate 9, the punch limiting plate 9 and the upper surface of the punch 5 are in the same plane, an upper die middle plate 8 is placed above the punch 5, the lower surface of the upper die middle plate 8 is overlapped with the upper surface of the punch 5, the upper die middle plate 8 and the punch limiting plate 9 are connected, then an upper die top plate 7 with a cylinder is placed above the upper die middle plate 8, the lower surface of the upper die top plate 7 with a cylinder is overlapped with the upper surface of the upper die middle plate 8, the upper die top plate 7 with a cylinder, the upper die middle plate 8 and the punch limiting plate 9 are fixed together, a sleeve 11 is installed on the upper die top plate 7 with a cylinder, the cylinder on the upper die top plate 7 with a cylinder is installed on a punching machine after the upper die is assembled, then the lower die is assembled, connecting a lower die bottom plate 1, a lower die middle plate 2 and a positioning plate 3 together, fixing a loop bar 12 on the lower die bottom plate 1, placing the connecting piece on a punching machine operating platform, ensuring that the axes of a sleeve 11 and the loop bar 12 are coincident, inserting a right-angle stop block 4 into a groove on the positioning plate 3, then placing two angle steels into the right-angle groove on the positioning plate 3, starting a punching machine to move downwards to drive a punch 5, an upper die top plate 7, an upper die middle plate 8 and a punch limiting plate 9 to press downwards, continuously pressing the punch 5 and the angle steels after contacting the angle steels under the supporting action of the lower die middle plate 2 to separate punching position materials from the angle steels, dropping off from the lower die bottom plate 1 to complete one-time punching, taking the angle steels out, placing new workpieces to realize continuous punching, and when the punching shape is changed, reselecting the punch 5, the upper die middle plate 8, the punch limiting plate 9 and the lower die middle plate 2, the steps are repeated to realize the stamping forming of the angle steel with various sections.

Claims (2)

1. The utility model provides an angle steel combination punching and angle of attack mould which characterized in that includes: the device comprises a lower die, a punch, an upper die, a sleeve and a loop bar; the lower die comprises a lower die bottom plate, a lower die middle plate, a right-angle stop block and a positioning plate, wherein 4 threaded holes with the same diameter are formed in all three plates, the three plates can be fixed together, meanwhile, a rectangular groove is formed in the lower die bottom plate, waste materials generated by stamping can fall off freely, the influence of the waste materials is avoided during the next stamping, a through hole with the same shape as a punch is formed in the lower die middle plate, the waste materials are separated from angle steel during stamping deformation, the positioning plate comprises a pressing plate and a baffle, the pressing plate is of a right-angle structure and is mainly used for limiting the vertical displacement of the angle steel, the baffle is of a cuboid structure, a rectangular groove is formed in the side part close to the pressing plate, the right-angle stop block is embedded into the groove, the width of the right-angle stop block is matched with the punch, the angle steel on the two sides of the punch can be stamped and formed simultaneously, the vertical surface of the angle steel on the lower die middle plate is tightly attached to the baffle, and the end surface of the right-angle stop block is tightly attached to the punch, the angle steel positioning is realized quickly; the punch head is composed of a symmetrical special-shaped structure and a cylinder, the special-shaped cross section and the round holes can be formed in the end portions of two angle steels through symmetrical punching, the machining speed is doubled, the upper threaded hole is used for connecting the punch head with the middle plate of the upper die, and the punching forming of the angle steels in various shapes can be achieved by replacing the punch head, the punching supporting plate and the middle plate of the lower die according to different punching shapes.

2. The angle iron combination punching and angle-punching die of claim 1, characterized in that: the upper die comprises an upper die top plate with a cylinder, an upper die middle plate and a punch limiting plate, wherein 4 threaded holes with the same diameter are formed in all three plates, the three plates can be fixed together by using bolts, the cylinder above the upper die top plate can be connected with a punching machine, the punching machine drives the upper die and the punch to press downwards to complete punching forming, the shape of a through hole in the middle of the punch limiting plate is consistent with that of the punch, the punch is placed into the punch limiting plate hole to be connected with the upper die middle plate, then the whole upper die top plate is connected with the upper die top plate, and the through hole of the punch limiting plate limits planar displacement of the punch, so that the punching forming precision is ensured; the sleeves are two thin-wall cylinders fixed on the top plate of the upper die; the loop bar is a cylinder with the diameter the same as the inner diameter of the cylinder, the loop bar is fixed on the lower die, and the loop bar slides on the inner wall of the sleeve to realize the positioning of the upper die and the lower die and prevent the relative position deviation of the upper die and the lower die.

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