CN215508611U

CN215508611U - Stretching counter bore die

Info

Publication number: CN215508611U
Application number: CN202121429178.XU
Authority: CN
Inventors: 孙慧栋
Original assignee: Chongqing Dewei Sheet Metal Manufacturing Co ltd
Current assignee: Chongqing Dewei Sheet Metal Manufacturing Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-01-14
Anticipated expiration: 2031-06-25

Abstract

The utility model discloses a stretching counter bore die, which comprises a stamping die and a die head, wherein a stamping fixing ring is arranged in the middle of the top of the stamping die, supporting columns are fixedly connected with the top of the stamping fixing ring through threads all around, one end of a stamping plate is fixedly connected with the top of the supporting column through threads, a circular groove is formed in the center of the top of the stamping plate, a circular bulge is arranged on the lower surface of the stamping plate, a fixed column is arranged above the circular bulge, the circular bulge is connected with the stamping plate through the fixed column, the stamping die is arranged at the top of the die head, a base is arranged at the bottom of the die head, a compression fixing ring is arranged at the top of the base, bolts are arranged at four ends of the top of the base, the compression fixing ring is fixed on the base through bolts, return springs are arranged on the compression fixing ring all around, a compression plate is arranged at the upper end of the return spring, and the return springs are connected with the compression plate and the compression fixing ring through positioning pins; the stretching counter bore die has the advantages of continuous stamping, various stamped products and convenience in disassembly.

Description

Stretching counter bore die

Technical Field

The utility model relates to the technical field of stretching counter bores, in particular to a stretching counter bore die.

Background

The drawing is a cold stamping process for drawing a flat blank or a semi-finished blank into an open hollow part by using a die, and the product which can be produced by the drawing process has the shape of a round, a door, a sphere, a cone, a rectangle and other irregular open hollow parts. The deep drawing process is combined with other stamping processes to manufacture parts with complex shapes, such as a drop-draw compound die combining a blanking process and a drawing process.

Common drawn products in daily life comprise rotating body parts such as a ceramic face and an aluminum volute, square parts such as rice and an automobile oil tank, and complex parts such as an automobile covering difference part, wherein a blank holder presses a middle plate blank first during drawing, a male die moves downwards, and a material below the blank holder is forced to generate plastic deformation and flows into a gap between a concave die and a convex die to form a cylinder side wall, but the existing drawing counter bore die is slow in drawing, cannot continuously stamp, and is single in stamped products and inconvenient to disassemble.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a stretching counter bore die which has the advantages of adjustable stretching, continuous stamping, various stamped products and convenience in disassembly and solves the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a stretching counter bore die comprises a stamping die and a die head, wherein a stamping fixing ring is arranged in the middle of the top of the stamping die, lower counter bores are formed in the stamping fixing ring and the center of the stamping die, supporting columns are fixedly connected with the top of the stamping fixing ring in a front-back and left-right mode through threads, one ends of stamping plates are fixedly connected with the tops of the supporting columns through threads, a circular groove is formed in the center of the top of each stamping plate, circular protrusions are arranged on the lower surface of each stamping plate, fixing columns are arranged above the circular protrusions and connected with the stamping plates through the fixing columns, the stamping die is arranged at the top of the die head, a counter bore die is arranged in the center of the top of the die head, a base is arranged at the bottom of the die head, a pressure fixing ring is arranged at the top of the base, bolts are arranged at four ends of the top of the base, and the pressure fixing ring is fixed on the base through bolts, all be equipped with reset spring all around the solid fixed ring that bears, the reset spring upper end is equipped with the pressure receiving plate, reset spring passes through the locating pin and connects pressure receiving plate and the solid fixed ring that bears.

Preferably, the inner wall of the circular groove is provided with threads, and the diameter of the inner wall of the circular groove is equal to that of the upper end of the circular protrusion.

Preferably, the top of the stamping fixing ring is provided with four bolts, the bolts are all arranged between the support columns, and the stamping fixing ring is connected with a stamping die through the bolts.

Preferably, the die head and the base are integrally formed, the inside of the die head and the base are cylindrical cavities, sliding grooves are formed in the front side and the rear side of the die head, and sliding blocks are arranged on the compression plate and the sliding grooves.

Preferably, the counter bore die extends through the die head and the base.

Preferably, the material of the punching plate, the punching die, the base and the die head is Cr 12.

Compared with the prior art, the utility model has the following beneficial effects:

1. this tensile counter bore mould adopts the circular arch on the lower surface punching press board to carry out the punching press, be favorable to the formation of product counter bore, connect the punching press board through the fixed column, conveniently change the counter bore of different shapes, be connected with the mould head through being equipped with counter bore mould, be favorable to the hole of the different diameters of punching press, connect the hydraulic stem through at circular recess inner wall screw thread and circular arch, be favorable to protecting the screw thread on punching press board and the circular arch, adopt the fixed column to connect the punching press board, be favorable to changing different protruding mould, solid fixed ring of punching press and punching press board are connected through the screwed bracing piece, be favorable to dismantling, through solid fixed ring of bolt fastening punching press and punching press mould, conveniently change different punching press mould.

2. This tensile counter bore mould carries out unable adjustment base through the bolt, the dismantlement of mould has been made things convenient for, adopt base and mould head integrated into one piece to be connected, the fastness has been increased, connect the solid fixed ring of pressurized and pressed the board through reset spring, it rebounds automatically to have made things convenient for the pressed board, adopt counter bore mould to carry out the counter bore, be favorable to adjusting the counter bore of different diameters, adopt the material to make the punching press board for Cr12, stamping die, base and mould head, be favorable to increasing the punching press board, stamping die, the hardness and the obdurability of base and mould head, be connected through seting up the recess on the mould head and the arch on the pressed the board, be favorable to preventing that the pressed board is popped out by reset spring.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a stretching counterbore die of the utility model;

FIG. 2 is a schematic view of a die head surface of a stretch counterbore die of the present invention;

FIG. 3 is a schematic view of the interior of a die head of a stretch counterbore die of the present invention;

FIG. 4 is a top schematic view of a drawing counterbore die of the present invention.

The figures are labeled as follows: 1. stamping the plate; 2. a support pillar; 3. punching the fixing ring; 4. a stamping die; 5. a pressure receiving plate; 6. a return spring; 7. a pressed fixing ring; 8. a base; 9. a die head; 10. a bolt; 11. a circular groove; 12. a counter bore die; 13. a circular protrusion; 14. fixing a column; 15. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1, 2 and 4, a drawing counter bore die comprises a stamping die 4 and a die head 9, wherein a stamping fixing ring 3 is arranged in the middle of the top of the stamping die 4, four bolts 10 are arranged on the top of the stamping fixing ring 3, the bolts 10 are all arranged between support columns 2, the stamping fixing ring 3 is connected with the stamping die 4 through the bolts 10, lower counter bores are respectively arranged at the centers of the stamping fixing ring 3 and the stamping die 4, the support columns 2 are fixedly connected with the top of the stamping fixing ring 3 through threads, the top of each support column 2 is fixedly connected with one end of a stamping plate 1 through threads, a circular groove 11 is arranged at the center of the top of the stamping plate 1, the inner wall of the circular groove 11 is provided with threads, the diameter of the inner wall of the circular groove is equal to the diameter of the upper end of the circular protrusion, a circular protrusion 13 is arranged on the lower surface of the stamping plate 1, a fixing column 14 is arranged above the circular protrusion 13, and the circular protrusion 13 is connected with the stamping plate 1 through the fixing column 14, stamping die 4 is at the top of mould head 9, and mould head 9 top center is equipped with counter bore mould 12, and counter bore mould 12 runs through mould head 9 and base 8, and mould head 9 bottom is equipped with base 8, and the 8 tops of base are equipped with solid fixed ring 7 of pressurized, and the material of punching press board 1, stamping die 4, base 8 and mould head 9 is Cr 12.

It is specific, adopt circular arch 13 on the lower surface punching press board 1 to carry out the punching press, be favorable to the formation of product counter bore, connect punching press board 1 through fixed column 14, conveniently change the counter bore of different shapes, be connected with mould head 9 through being equipped with counter bore mould 12, be favorable to punching press the hole of different diameters, through connecting the hydraulic stem at 11 inner wall screw threads of circular recess and circular arch 13, be favorable to protecting the screw thread on punching press board 1 and the circular arch, adopt fixed column 14 to connect punching press board 1, be favorable to changing different protruding mould, through taking screwed support column 2 to connect solid fixed ring 3 of punching press and punching press board 1, be favorable to dismantling, through solid fixed ring 3 of bolt 10 fixed punching press and punching press mould 4, conveniently change different punching press mould 4.

Example 2:

please refer to fig. 1 and 3, a stretching counter bore die, which comprises a base 8, four ends of the top of the base 8 are all provided with bolts 10, a compression fixing ring 7 is fixed on the base 8 through the bolts 10, the compression fixing ring 7 is all provided with reset springs 6 all around, the upper end of the reset spring 6 is provided with a compression plate 5, the reset spring 6 is connected with the compression plate 5 and the compression fixing ring 7 through a positioning pin, a die head 9 and the base 8 are integrally formed and the inside is a cylindrical cavity, sliding grooves 15 are respectively arranged on the front side and the rear side of the die head 9, and the compression plate 5 and the sliding grooves 15 are respectively provided with a sliding block.

It is specific, carry out unable adjustment base 8 through bolt 10, the dismantlement of mould has been made things convenient for, adopt base 8 and mould head 9 integrated into one piece to be connected, the fastness has been increased, connect solid fixed ring 7 of pressurized and pressed board 5 through reset spring 6, it rebounds automatically to have made things convenient for pressed board 5, adopt counter bore mould 12 to carry out the counter bore, be favorable to adjusting the counter bore of different diameters, adopt the material to make punching press board 1 for Cr12, stamping die 4, base 8 and mould head 9, be favorable to increasing punching press board 1, stamping die 4, the hardness and the obdurability of base 8 and mould head 9, be connected through seting up spout 15 on mould head 9 and the arch that pressed on board 5, be favorable to preventing pressed board 5 and popped out by reset spring 6.

The working principle is as follows: the utility model relates to a stretching counter bore die, which is characterized in that circular bulges 13 are replaced by fixing columns 14 before use to select bulges with different shapes, corresponding counter bore dies 12 are selected according to the replaced circular bulges 13, the counter bore dies 12 are fixed on a die head 9, circular grooves 11 are connected by threads on the fixing columns 14, the counter bore dies are fixed on a hydraulic rod by threads on the inner walls of the circular grooves 11 and threads on the fixing columns 14, a stamping plate 1 and a stamping fixing ring 3 are respectively connected by threads on the upper end and the lower end of a supporting column 2, a stamping die 4 is fixed under the stamping fixing ring 3 by bolts 10, a base 8 is fixed on a stamping worktable by the bolts 10, a compression fixing ring 7 is fixed on the upper surface of the base 8 by the bolts 10, a compression plate 5 is connected by a chute 15, and the upper surface of the compression fixing ring 7 and the lower surface of the compression plate 5 are connected with a reset spring 6 by a positioning pin, the installation is accomplished back switch on hydraulic stem and is impeld stamping plate 1 and make stamping die 4 push down, circular arch 13 and counter bore mould 12 press contact mutually, the clout of punching press counter bore falls from counter bore mould 12, do not need the manual work to get rid of the punching press clout, stamping die 4 pushes down the in-process and receives pressure whereabouts by pressure feed back spring 6 atress, reset spring 6 compresses, the hydraulic stem drives stamping plate 1 after the punching press is accomplished, solid fixed ring 3 of punching press and stamping die 4 rise, reset spring 6 drives compression plate 5 and recovers, can carry out continuous punching press like this, put into spout 15 on the mould head 9 through the arch on the compression plate 5 and slide, prevent that compression plate 5 from being popped out by reset spring 6, can prevent that counter bore mould 12 from exceeding compression plate 5 again, according to the size of counter bore, it can to change counter bore mould 12.

While there have been shown and described the fundamental principles and essential features of the utility model and advantages thereof, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A tensile counter bore mould which characterized in that: the stamping die comprises a stamping die (4) and a die head (9), wherein a stamping fixing ring (3) is arranged in the middle of the top of the stamping die (4), lower counter bores are formed in the centers of the stamping fixing ring (3) and the stamping die (4), supporting columns (2) are fixedly arranged on the front, back, left and right sides of the top of the stamping fixing ring (3) through threaded connection, one ends of stamping plates (1) are fixedly connected through threaded connection at the tops of the supporting columns (2), a circular groove (11) is formed in the center of the top of the stamping plate (1), a circular bulge (13) is arranged on the lower surface of the stamping plate (1), a fixing column (14) is arranged above the circular bulge (13), the circular bulge (13) is connected with the stamping plate (1) through the fixing column (14), the stamping die (4) is arranged on the top of the die head (9), and a counter bore die (12) is arranged at the center of the top of the die head (9), mould head (9) bottom is equipped with base (8), base (8) top is equipped with the solid fixed ring of pressurized (7), four ends at base (8) top all are equipped with bolt (10), the solid fixed ring of pressurized (7) are fixed on base (8) through bolt (10), the solid fixed ring of pressurized (7) all is equipped with reset spring (6) all around, reset spring (6) upper end is equipped with receives pressure plate (5), reset spring (6) are connected through the locating pin and are received pressure plate (5) and the solid fixed ring of pressurized (7).

2. The drawing counterbore die of claim 1, wherein: the inner wall of the circular groove (11) is provided with threads, and the diameter of the threads is equal to that of the upper end of the circular protrusion.

3. The drawing counterbore die of claim 1, wherein: the top of the punching fixing ring (3) is provided with four bolts (10), the bolts (10) are all arranged between the support columns (2), and the punching fixing ring (3) is connected with the punching die (4) through the bolts (10).

4. The drawing counterbore die of claim 1, wherein: mould head (9) and base (8) are integrated into one piece and inside for cylindrical cavity, spout (15) have all been seted up to both sides around mould head (9), it all is equipped with the slider to receive pressure plate (5) and spout (15).

5. The drawing counterbore die of claim 1, wherein: the counter bore die (12) penetrates through the die head (9) and the base (8).

6. The drawing counterbore die of claim 1, wherein: the stamping plate (1), the stamping die (4), the base (8) and the die head (9) are made of Cr 12.