CN112828161A

CN112828161A - Combined quick-change socket hole stamping die

Info

Publication number: CN112828161A
Application number: CN202110177717.3A
Authority: CN
Inventors: 陶守宝; 邵利; 徐睿
Original assignee: Huaxin Equipment Manufacturing Co ltd; Huaxin Cement Co Ltd
Current assignee: Huaxin Equipment Manufacturing Co ltd; Huaxin Cement Co Ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-05-25

Abstract

The invention relates to a combined quick-change socket hole stamping die which comprises an upper die and a lower die, wherein a grinding head is arranged at the head part of the top end of the upper die according to the size of a socket hole, the core part of the grinding head is a hollow joint, an elastic block is arranged in the middle of the upper die, and the upper die is provided with a die handle; the lower mould and the cooperation of last mould, the lower mould mainly is modular structure, is provided with removable bottom plate, is provided with the deflector on the bottom plate, and its width direction is provided with the locating pin, and its length direction both ends are provided with the dovetail of mating each other, and the dovetail can realize a plurality of lower mould modules and splice location and direction function fast. In addition, the side face of the guide plate is provided with a bolt group and a cushion block which are used for adjusting the space between different modules, so that the quick adjusting function can be realized during batch production of parts with different pit spaces, the process that the conventional batch production of pit pressing needs to be subjected to marking, aligning and adjusting for many times is solved, and the production efficiency is effectively improved.

Description

Combined quick-change socket hole stamping die

Technical Field

The invention relates to the technical field of special tool design, in particular to a combined quick-change socket hole stamping die.

Background

The conventional dimpling is usually manual dimpling or the pit radius of dimpling is smaller, when the pit bottom central position of dimpling still needs drilling, the central position of semi-arc-shaped pit hole is often difficult to guarantee, and there may be deformation of certain degree around the pit with original mode dimpling back pit.

Disclosure of Invention

The invention aims to solve the technical problem of providing a stamping die for stamping a semi-arc pit with an opening at the bottom, which is suitable for batch production.

The technical scheme adopted by the invention for solving the technical problems is as follows: construct a combination quick change nest hole stamping die, include: an upper die and a lower die;

wherein, the upper die comprises a die handle, an elastic block, a die head and a carrier; the die head is arranged at the head part of the top end of the upper die carrier and is arranged according to the size of the pit; the elastic block is arranged in the middle of the upper die carrier, a flange and a bolt are arranged and penetrate through the carrier to the inner middle part of the upper die carrier so as to adjust the elastic block; the outer side of the upper die carrier is provided with a die handle for fixing the upper die on a workbench above the punch press;

the lower die comprises a die holder, a bottom plate, a positioning pin and a guide plate; the bottom plate is a replaceable bottom plate and is used for adapting to punching machines with different working strokes, a guide plate is arranged on the bottom plate, a positioning pin is arranged in the width direction of the guide plate, and the positioning pin penetrates through the guide plate and is inserted into the bottom plate so as to realize the installation and positioning between the guide plate and the bottom plate; dovetail grooves which are matched with each other are arranged at two ends in the length direction, so that the functions of quickly splicing, positioning and guiding a plurality of lower dies are realized; the guide plate is provided with a die holder above, the die holder is provided with an arc pit matched with the die head above, and a boss is arranged in the arc pit and used for positioning a processed hole in the last procedure on a workpiece, so that the arc pit and the hole are concentric.

The die head is a hard arc-shaped flange with a hollow hole, the hollow hole is used for being matched with a boss at the corresponding position of the lower die to position a processed workpiece, and the flange is used for being fixed with the die handle and the elastic block.

The elastic block is of a hollow structure, is convenient to fix with the die head and the die handle by using bolts, and cannot fall off in the using process; the bolt is used for fixing the die head and the die handle and adjusting the compression degree in time according to the elastic change condition of the elastic block in the using process.

When the distance between two batches of pits is changed or the same batch of pits with different distances is required, cushion blocks are filled in different lower dies and are fastened by utilizing adjusting bolts on the side edges of the guide plates, so that the function of quickly adjusting the hole distance is achieved.

Wherein, the die head is made of 40Cr or other materials with mechanical property, the bottom plate is made of a Q235-A steel plate, and the rest parts except the elastic block are made of 45 steel.

Different from the prior art, the invention provides a combined quick-change socket hole stamping die, which comprises: an upper die and a lower die; wherein, the upper die comprises a die handle, an elastic block, a die head and a carrier; the die head is arranged at the head part of the top end of the upper die carrier; the elastic block is arranged in the middle of the upper die carrier; the outer side of the upper die carrier is provided with a die handle for fixing the upper die on a workbench above the punch press; the lower die comprises a die holder, a bottom plate, a positioning pin and a guide plate; the bottom plate is a replaceable bottom plate, the bottom plates with different thicknesses can be suitable for punching machines with different working strokes, a guide plate is arranged on the bottom plate, a positioning pin is arranged in the width direction of the guide plate, and the positioning pin penetrates through the guide plate and is inserted into the bottom plate so as to realize the installation and positioning between the guide plate and the bottom plate; dovetail grooves which are matched with each other are arranged at two ends in the length direction, so that the functions of quickly splicing, positioning and guiding a plurality of lower dies are realized; the guide plate is provided with a die holder above, the die holder is provided with an arc pit matched with the die head above, and a boss is arranged in the arc pit and used for positioning a processed hole in the last procedure on a workpiece, so that the arc pit and the hole are concentric. By the aid of the steel plate forming machine, the center position of the semi-arc-shaped socket hole can be guaranteed, and deformation of the steel plate around the socket hole after socket pressing is prevented.

Drawings

The invention will be further described with reference to the accompanying drawings and examples, in which:

fig. 1 is a schematic structural view of a combined quick-change socket hole stamping die provided by the invention.

Detailed Description

For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

As shown in fig. 1, the present invention provides a combined quick-change socket hole stamping die, which comprises:

an upper die and a lower die;

wherein, the upper die comprises a die handle 1, an elastic block 3, a die head 4 and a carrier; the die head 4 is arranged at the head part of the top end of the upper die carrier and is arranged according to the size of the pit; the elastic block 3 is arranged in the middle of the upper die carrier, a flange and a bolt are arranged and penetrate through the carrier to the inner middle part of the upper die carrier so as to adjust the elastic block 3; the outer side of the upper die carrier is provided with a die handle 1 for fixing the upper die on a workbench above a punch press;

the lower die comprises a die holder 6, a bottom plate 7, a positioning pin 8 and a guide plate 9; the bottom plate 7 is a replaceable bottom plate, bottom plates with different thicknesses can be suitable for punching machines with different working strokes, a guide plate 9 is arranged on the bottom plate, a positioning pin 8 is arranged in the width direction of the guide plate 9, and the positioning pin 8 penetrates through the guide plate 9 and is inserted into the bottom plate 7 so as to realize the installation and positioning between the guide plate 9 and the bottom plate 7; dovetail grooves which are matched with each other are arranged at two ends in the length direction, so that the functions of quickly splicing, positioning and guiding a plurality of lower dies are realized; a die holder 6 is arranged above the guide plate 9, an arc-shaped pit matched with the die head is arranged above the die holder 6, and a boss 5 is arranged in the arc-shaped pit and used for positioning a hole machined in the last working procedure on a workpiece, so that the arc-shaped pit and the hole are concentric.

The die head 4 is a hard arc flange with a hollow hole, the hollow hole is used for being matched with a boss at the corresponding position of the lower die to position a processed workpiece, and the flange is used for being fixed with the die handle and the elastic block.

The elastic block 3 is of a hollow structure, is convenient to fix with the die head 4 and the die handle 1 by using the bolt 2, and cannot fall off in the using process; the bolt 2 is used for fixing the die head 4 and the die handle 1 and adjusting the compression degree in time according to the elastic change condition of the elastic block 3 in the using process.

When the space size of the pits in two batches is changed or the same pit with different required space is in the same batch, a cushion block 11 is filled between different lower dies and is fastened by utilizing an adjusting bolt 12 on the side of the guide plate 9, so that the function of quickly adjusting the hole pitch is achieved.

Wherein, the die head 4 is made of 40Cr or other materials with mechanical property, the bottom plate 7 is made of a Q235-A steel plate, and the rest parts except the elastic block 3 are made of 45 steel.

In the invention, the lower die is matched with the upper die, the lower die is mainly of a modular structure, and a plurality of modules can be arranged for combined use or only one module is used for completing operation according to the condition and the requirement of a machine tool. The lower die is provided with a replaceable bottom plate 7 for adapting to punching machines with different working strokes. The side of the guide plate 9 is provided with a bolt group and a cushion block 11 which are used for adjusting the space between different lower dies, so that the function of quick adjustment can be realized during batch production of parts with different pit spaces, and the minimum value of the pit space is realized under the condition that the cushion block 11 is not added to the die.

When in work, the upper die and the lower die are respectively fixed on the workbench of the punching machine through the upper die shank 1 and the lower die bottom plate 7 in a matched state, then the machine tool is started to lift the upper die, and the workpiece to be dimpled is placed between the upper die and the lower die, because the workpiece to be processed is perforated in advance, the perforated position can be aligned with the boss 5 of the lower die for positioning, and the upper die is pressed down after the positioning is finished to obtain a molded dimpled part, if a plurality of hole sites are needed for indenting, a single lower die can be selected according to the functions of the machine tool to move the workpiece, or a plurality of lower dies are moved on the lower workbench of the machine tool, when a plurality of lower dies are used, if the space size of the two batches of pits is changed, or when the same batch of pits with different required intervals are adopted, the cushion blocks 11 can be filled in different lower die modules, and the adjusting plate 10 and the adjusting bolt group 12 on the side of the guide plate 9 are used for fastening, so that the function of quickly adjusting the pitch of the holes is achieved.

The combined quick-change stamping die has the following beneficial effects:

1. convenient to use, production efficiency are high: the invention can be quickly positioned, aligned and adjusted in batch production, and can be used independently or in combination due to the modular structure, thereby effectively improving the production efficiency;

2. simple structure, good controllability and long service life, and is suitable for the process of pit batch production.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a combination quick change nest hole stamping die which characterized in that includes: an upper die and a lower die;

2. The combined quick-change socket hole punching die as claimed in claim 1, wherein the die head is a hard arc flange with a hollow hole, the hollow hole is used for matching with a boss at a corresponding position of the lower die to position a workpiece, and the flange is used for fixing with the die handle and the elastic block.

3. The combined quick-change socket hole stamping die as claimed in claim 1, wherein the elastic block is of a hollow structure, so that the elastic block can be fixed with the die head and the die shank conveniently by using bolts and cannot fall off in the use process; the bolt is used for fixing the die head and the die handle and adjusting the compression degree in time according to the elastic change condition of the elastic block in the using process.

4. The combined quick-change socket hole stamping die as claimed in claim 1, wherein when the space size of two batches of sockets is changed or the same batch of sockets with different spaces is required, a cushion block is padded between different lower dies and fastened by using an adjusting bolt on the side of the guide plate, so that the function of quickly adjusting the hole distance is achieved.

5. The combined quick-change socket hole stamping die as claimed in claim 1, wherein the die head is made of 40Cr or other mechanical materials, the bottom plate is made of a Q235-a steel plate, and the rest of the die head except the elastic block is made of 45 steel.