CN216729042U

CN216729042U - Blanking die for machining and forming thin sheet metal part

Info

Publication number: CN216729042U
Application number: CN202123146475.6U
Authority: CN
Inventors: 孙志华
Original assignee: Rizhao Shunchen Electromechanical Technology Co ltd
Current assignee: Rizhao Shunchen Electromechanical Technology Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-06-14
Anticipated expiration: 2031-12-14

Abstract

The utility model belongs to the technical field of blanking die, and a blanking die that thin slice metalwork machine-shaping used is disclosed, comprising a lower die, the discharge gate has been seted up at the upper end top of lower mould, the equal fixed mounting in both sides has the guide post around the lower mould top, the top fixed mounting of guide post has the roof, the top fixed mounting of roof has the hydraulic stem, the flexible fixed mounting of hydraulic stem has the movable plate, the bottom fixed mounting of movable plate has last mould. The utility model discloses an in-process that drives the movable plate and go up mould downstream at the hydraulic stem, edge drives the driving plate downstream around through last mould for the spacing ring is driven thereupon and then presses No. two springs, makes No. two springs turn into the resilience force and acts on contact plate and work piece again with the pressure of going up the mould, thereby makes the work piece more stable in the course of working, thereby makes the machining precision of work piece higher.

Description

Blanking die for machining and forming thin sheet metal part

Technical Field

The utility model belongs to the technical field of the blanking mould, specifically a blanking mould that thin slice metalwork machine-shaping used.

Background

Blanking die is stamping die's one kind, carries out the punching press to metal work piece through the metal on the lower mould with the material separation for the waste material drops and accomplishes the processing along the discharge gate, and the thin slice metalwork needs punch when processing, consequently needs blanking die to punch the operation.

At present, a blanking die used for processing and forming the existing sheet metal part generally places a sheet technical part on the die for processing when processing, and completely depends on the pressing and fixing of an upper die on a workpiece when pressing down due to the lack of a corresponding fixing structure, so that the workpiece is easy to deviate and even the processing precision is reduced; meanwhile, the hydraulic rod for processing power has unstable characteristics, so that the upper die generates impact damage to the lower part during processing at every time, the damage can be directly applied to the workpiece, the workpiece is stressed unevenly, the flanging phenomenon of a punching cut opening occurs, and the workpiece is scrapped.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above problem, the utility model provides a blanking mould that thin slice metalwork machine-shaping used has the advantage that the machining precision is high and the atress is even.

In order to achieve the above object, the utility model provides a following technical scheme: a blanking die for processing and forming sheet metal parts comprises a lower die, wherein a discharge hole is formed in the top of the upper end of the lower die, guide posts are fixedly mounted on the front side and the rear side of the top of the lower die, a top plate is fixedly mounted on the top of each guide post, a hydraulic rod is fixedly mounted on the top of each top plate, a movable plate is fixedly mounted on the telescopic end of each hydraulic rod, an upper die is fixedly mounted at the bottom of each movable plate, limiting plates are fixedly mounted on the front side and the rear side of the top of the upper end of the lower die, fixed columns are movably sleeved in the limiting plates, contact plates are fixedly mounted at the bottoms of the fixed columns, workpieces are placed at the tops of the upper ends of the lower die, springs and limiting rings are movably sleeved on the outer surfaces of the fixed columns, and transmission plates are fixedly mounted on the outer surfaces of the limiting rings;

as shown in fig. 2, the workpiece is placed on the top of the upper end of the lower die, so that the contact plate is supported upwards by the top of the workpiece, the fixing column is driven to move upwards, the second spring is compressed, and the contact plate gradually takes on a horizontal state along with the deep placement of the workpiece; then, start the hydraulic stem and drive movable plate and last mould downstream for go up the mould and remove the suppression through its front and back edge to the movable plate at the decline in-process, drive spacing ring downstream and compress No. two springs, make the pressure that fixed column and contact plate received bigger, thereby fix the work piece completely, go up the mould and begin to carry out blanking operation to the work piece, make the waste material fall down along the discharge gate, at this moment, the bottom of movable plate and the spacing contact in top of limiting plate close the hydraulic stem and accomplish the blanking operation of punching.

Drive fixed column and contact plate through being provided with No. two springs and advance line location and fixed to the work piece, then, drive the in-process that the movable plate moved down with last mould at the hydraulic stem, edge drive driving plate downstream around through last mould for the spacing ring is driven and then presses the No. two springs thereupon, make No. two springs turn into the resilience force and act on in contact plate and work piece again with the pressure of last mould, thereby make the work piece more stable in the course of working, thereby make the machining precision of work piece higher.

Make the last mould of lapse turn into the downward continuous displacement of spacing ring with the impact force that comes from the hydraulic stem through being provided with the driving plate, then, the spacing ring lasts to press the No. one spring at the in-process that moves down, turns into soft linear resilience force through the compression to No. two springs with the impact force that comes from the hydraulic stem for the atress of work piece is more even, thereby has reduced the impact nature injury to lower mould and work piece.

As a preferred technical scheme of the utility model, a spring is movably sleeved on the outer surface of the guide post, and the movable plate is movably sleeved on the outer surface of the guide post and elastically supported by the spring;

the guide post is used for providing the guide effect for the moving plate at the in-process that reciprocates for the moving plate can drive the mould and carry out vertical reciprocating, and a spring is responsible for supporting the moving plate and provides cushioning effect.

As a preferred technical scheme of the utility model, the top of the moving plate is provided with a through hole, and the diameter value of the through hole is the same as the diameter value of the upper end of the fixed column;

when the movable plate and the upper die move downwards to the lowest position, the bottom of the movable plate is just in limit contact with the top of the limiting plate, and at the moment, the upper end of the fixing column penetrates through the through hole.

As a preferred technical scheme of the utility model, the second spring and the limiting ring are both positioned at the bottom of the limiting plate, and the limiting ring is elastically supported by the second spring;

the second spring acts on the fixing column downwards through resilience force generated by compression and drives the contact plate to apply pressure to the workpiece, and the transmission plate can be driven to move downwards when the upper die moves downwards, so that the limiting ring can be driven to move downwards and compress the second spring, and the workpiece can be quickly fixed.

As a preferred technical scheme of the utility model, the contact plate is a rubber block, and the left and right ends of the contact plate are both in arc transition design;

the contact plate is responsible for with work piece direct contact and fix the work piece, and the rubber material can avoid its and work piece rigidity collision to the protection work piece is not by the fish tail, and the circular arc transition design can provide certain guide effect for placing of work piece.

As a preferred technical solution of the present invention, the number of the fixing columns is fourteen, and the fourteen fixing columns are divided into two groups by every seven groups and distributed in the front and rear limiting plates respectively, and the fixing columns of each group are horizontally and linearly arranged at equal intervals;

the uniform spacing arrangement of the fixed columns is matched with a second spring sleeved on the outer surface of the fixed columns, so that the workpieces can be stressed uniformly.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a be provided with No. two springs and drive fixed column and contact plate and advance line location and fixed to the work piece, then, drive the in-process of movable plate and last mould downstream at the hydraulic stem, edge drive driving plate downstream around through last mould for the spacing ring is driven and then presses No. two springs thereupon, make No. two springs turn into the resilience force and act on in contact plate and work piece again with the pressure of last mould, thereby make the work piece more stable in the course of working, thereby make the machining precision of work piece higher.

2. The utility model discloses a be provided with the driving plate and make the last mould of lapse turn into the downward continuous displacement of spacing ring with the impact force that comes from the hydraulic stem, then, the spacing ring lasts at the in-process of lapse that moves downwards and presses two No. springs, turns into soft linear resilience force through the impact force that will come from the hydraulic stem to the compression to No. two springs for the atress of work piece is more even, thereby has reduced the impact injury to lower mould and work piece.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side partially cut-away schematic view of the structure of the present invention;

FIG. 3 is a schematic side view of the structure of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3 according to the present invention;

fig. 5 is a schematic diagram illustrating the separation of the limiting plate, the fixing column, the contact plate, the second spring, the limiting ring and the contact plate.

In the figure: 1. a lower die; 2. a guide post; 3. a top plate; 4. a hydraulic lever; 5. a first spring; 6. moving the plate; 7. an upper die; 8. a workpiece; 9. a limiting plate; 10. fixing a column; 11. a through hole; 12. a discharge port; 13. a contact plate; 14. a second spring; 15. a limiting ring; 16. a drive plate.

Detailed Description

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

As shown in fig. 1 to 5, the utility model provides a blanking die for thin sheet metal part processing and forming, including lower mould 1, discharge gate 12 has been seted up at the upper end top of lower mould 1, equal fixed mounting in both sides has guide post 2 around the lower mould 1 top, the top fixed mounting of guide post 2 has roof 3, the top fixed mounting of roof 3 has hydraulic stem 4, the flexible end fixed mounting of hydraulic stem 4 has movable plate 6, the bottom fixed mounting of movable plate 6 has last mould 7, both sides are all fixed mounting has limiting plate 9 around the lower mould 1 upper end top, the inside activity of limiting plate 9 has cup jointed fixed column 10, the bottom fixed mounting of fixed column 10 has contact plate 13, work piece 8 has been placed at the upper end top of lower mould 1, No. two spring 14 and spacing ring 15 have been cup jointed in the surface activity of fixed column 10, the surface fixed mounting of spacing ring 15 has drive plate 16;

as shown in fig. 2, the workpiece 8 is placed on the top of the upper end of the lower die 1, so that the contact plate 13 is supported upwards by the top of the workpiece 8, the fixing column 10 is driven to move upwards, the second spring 14 is compressed, and the contact plate 13 gradually takes on a horizontal state along with the deep placement of the workpiece 8; then, start hydraulic stem 4 and drive movable plate 6 and go up mould 7 downstream, make go up mould 7 and remove the suppression through its front and back edge to drive plate 16 at the in-process that descends, drive spacing ring 15 downstream and compress No. two springs 14, make fixed column 10 and contact plate 13 receive pressure bigger, thereby fix work piece 8 completely, go up mould 7 and begin to carry out blanking operation to work piece 8, make the waste material fall down along discharge gate 12, at this moment, the spacing contact in bottom and the top of limiting plate 9 of movable plate 6, close hydraulic stem 4 and accomplish the blanking and punch the operation.

Drive fixed column 10 and contact plate 13 through being provided with No. two springs 14 and advance line location and fixed work piece 8, then, in the in-process that hydraulic stem 4 drove movable plate 6 and last mould 7 downstream, drive driving plate 16 downstream through the front and back edge of last mould 7, make spacing ring 15 driven and then press No. two springs 14 along with, make No. two springs 14 turn into the resilience force with the pressure of going up mould 7 and exert in contact plate 13 and work piece 8 again, thereby make work piece 8 more stable in the course of working, thereby make work piece 8's machining precision higher.

Make the last mould 7 of lapse turn into the downward continuous displacement of spacing ring 15 from the impact force of hydraulic stem 4 through being provided with driving plate 16, then, spacing ring 15 is at the in-process of lapse that moves down and is lasted the compression spring 14, will come from the impact force of hydraulic stem 4 through the compression to spring 14 No. two and turn into soft linear resilience force for work piece 8's atress is more even, thereby has reduced the impact nature injury to lower mould 1 and work piece 8.

Wherein, the outer surface of the guide post 2 is movably sleeved with a first spring 5, and the movable plate 6 is movably sleeved on the outer surface of the guide post 2 and is elastically supported by the first spring 5;

the guide post 2 is used for providing a guide effect for the moving plate 6 in the process of moving up and down, so that the moving plate 6 can drive the upper die 7 to vertically move up and down, and the first spring 5 is responsible for supporting the moving plate 6 and providing a buffer effect.

The top of the moving plate 6 is provided with a through hole 11, and the diameter value of the through hole 11 is the same as that of the upper end of the fixed column 10;

when the moving plate 6 and the upper die 7 move downwards to the lowest position, the bottom of the moving plate 6 is just in limit contact with the top of the limit plate 9, and at the moment, the upper end of the fixed column 10 penetrates through the through hole 11.

The second spring 14 and the limiting ring 15 are both positioned at the bottom of the limiting plate 9, and the limiting ring 15 is elastically supported by the second spring 14;

the second spring 14 acts on the fixing column 10 downwards through resilience force generated by compression and drives the contact plate 13 to apply pressure to the workpiece 8, and when the upper die 7 moves downwards, the transmission plate 16 can be driven to move downwards, so that the limiting ring 15 can be driven to move downwards and compress the second spring 14, and the workpiece 8 can be fixed quickly.

The contact plate 13 is a rubber block, and the left end and the right end of the contact plate 13 are both in arc transition design;

contact plate 13 is responsible for with work piece 8 direct contact and fix work piece 8, and the rubber material can avoid its and work piece 8 rigid collision to protection work piece 8 is not by the fish tail, and the circular arc transition design can provide certain guide effect for placing of work piece 8.

The number of the fixed columns 10 is fourteen, every seven of the fourteen fixed columns 10 are divided into two groups and respectively distributed in the front limiting plate 9 and the rear limiting plate 9, and each group of the fixed columns 10 are horizontally and linearly arranged at equal intervals;

the uniform spacing arrangement of the fixing columns 10 and the second springs 14 sleeved on the outer surfaces of the fixing columns can enable the workpiece 8 to be stressed uniformly.

The utility model discloses a theory of operation and use flow:

when the device is used: as shown in fig. 2, the workpiece 8 is placed on the top of the upper end of the lower die 1, so that the contact plate 13 is supported upwards by the top of the workpiece 8, the fixing column 10 is driven to move upwards, the second spring 14 is compressed, and the contact plate 13 gradually takes on a horizontal state along with the deep placement of the workpiece 8; then, start hydraulic stem 4 and drive movable plate 6 and go up mould 7 downstream, make go up mould 7 and remove the suppression through its front and back edge to drive plate 16 at the in-process that descends, drive spacing ring 15 downstream and compress No. two springs 14, make fixed column 10 and contact plate 13 receive pressure bigger, thereby fix work piece 8 completely, go up mould 7 and begin to carry out blanking operation to work piece 8, make the waste material fall down along discharge gate 12, at this moment, the spacing contact in bottom and the top of limiting plate 9 of movable plate 6, close hydraulic stem 4 and accomplish the blanking and punch the operation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a blanking die that thin slice metalwork machine-shaping used, includes lower mould (1), discharge gate (12) have been seted up at the upper end top of lower mould (1), the equal fixed mounting in both sides has guide post (2) around lower mould (1) top, the top fixed mounting of guide post (2) has roof (3), its characterized in that: the top fixed mounting of roof (3) has hydraulic stem (4), the flexible end fixed mounting of hydraulic stem (4) has movable plate (6), the bottom fixed mounting of movable plate (6) has last mould (7), the equal fixed mounting in both sides has limiting plate (9) around lower mould (1) upper end top, fixed column (10) have been cup jointed in the inside activity of limiting plate (9), the bottom fixed mounting of fixed column (10) has contact plate (13), work piece (8) have been placed at the upper end top of lower mould (1), No. two springs (14) and spacing ring (15) have been cup jointed in the surface activity of fixed column (10), the fixed surface of spacing ring (15) installs driving plate (16).

2. The blanking die for sheet metal part machining according to claim 1, wherein: a spring (5) is movably sleeved on the outer surface of the guide column (2), and the movable plate (6) is movably sleeved on the outer surface of the guide column (2) and is elastically supported through the spring (5).

3. The blanking die for sheet metal part machining according to claim 1, wherein: the top of the moving plate (6) is provided with a through hole (11), and the diameter value of the through hole (11) is the same as that of the upper end of the fixed column (10).

4. The blanking die for sheet metal part machining according to claim 1, wherein: no. two springs (14) and spacing ring (15) all are located the bottom of limiting plate (9), spacing ring (15) are through No. two spring (14) elastic support.

5. The blanking die for sheet metal part machining according to claim 1, wherein: the contact plate (13) is a rubber block, and the left end and the right end of the contact plate (13) are both in arc transition design.

6. The blanking die for sheet metal part machining according to claim 1, wherein: the number of the fixed columns (10) is fourteen, the fourteen fixed columns (10) are divided into two groups by taking every seven fixed columns as a group and are respectively distributed in the front limiting plate and the rear limiting plate (9), and each group of the fixed columns (10) are horizontally and linearly arranged at equal intervals.