CN211938644U

CN211938644U - Punching die for supporting framework assembly

Info

Publication number: CN211938644U
Application number: CN202020348693.4U
Authority: CN
Inventors: 刘杰; 涂有龙
Original assignee: Xuancheng Dingli Machinery Manufacturing Co ltd
Current assignee: Xuancheng Dingli Machinery Manufacturing Co ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2020-11-17
Anticipated expiration: 2030-03-19

Abstract

The utility model discloses a supporting framework assembly punching die relates to the automobile manufacturing field, this supporting framework assembly punching die, including bottom plate and die shank, the bottom plate is located the below of die shank, the top of bottom plate is provided with first die mold insert, die mold insert fixed plate and guide pin bushing respectively, the top of die mold insert fixed plate is provided with second die mold insert and stripper respectively, the top of stripper is provided with the block rubber, the bottom of die shank is provided with first terrace die, second terrace die, punch plate and guide pillar respectively, the bottom of first terrace die runs through block rubber and stripper in proper order and extends to the below of stripper. The utility model discloses a set up first die mold insert, die mold insert fixed plate, stripper and first terrace die, solved present common car supporting framework assembly punching die when using, because supporting framework is special-shaped, supporting framework removes easily at the in-process that punches a hole to lead to the lower problem of precision of punching a hole.

Description

Punching die for supporting framework assembly

Technical Field

The utility model relates to an automobile manufacturing technical field specifically is a supporting framework assembly punching die.

Background

The supporting framework assembly punching die is used for punching the automobile supporting framework assembly, the manufacturing process of the automobile supporting framework mainly comprises the processes of blanking, deep drawing, shaping, trimming, leveling, forming, punching and salient point punching, and when the supporting framework is punched, two convex dies of the punching die simultaneously punch the supporting framework to complete the punching process of the supporting framework.

At present common car supporting framework assembly punching die when using, two terrace dies on the punching die punch a hole to supporting framework simultaneously, accomplish the work of punching a hole, when punching a hole, because supporting framework is dysmorphism piece, supporting framework removes easily at the in-process that punches a hole to lead to the precision of punching a hole lower.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a supporting framework assembly punching die has solved present common automobile supporting framework assembly punching die when using, because supporting framework is special-shaped, supporting framework removes easily at the in-process that punches a hole to lead to the lower problem of precision of punching a hole.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a supporting framework assembly punching die, includes bottom plate and die shank, the bottom plate is located the below of die shank, the top of bottom plate is provided with first die insert, die insert fixing plate and guide pin bushing respectively, the top of die insert fixing plate is provided with second die insert and stripper respectively, the top of stripper is provided with the block rubber, the bottom of die shank is provided with first terrace die, second terrace die, punch plate and guide pillar respectively, the bottom of first terrace die runs through block rubber and stripper in proper order and extends to the below of stripper, the bottom of second terrace die runs through the stripper and extends to the below of stripper, the bottom of guide pillar run through block rubber and stripper in proper order and with the inner wall swing joint of guide pin bushing.

Preferably, the bottom of the guide pillar is hemispherical, and the shape of the guide sleeve is matched with that of the guide pillar.

Preferably, the number of the first female die inserts is three, and the three first female die inserts are distributed in an annular array by taking the circle center of the female die insert fixing plate as an array center.

Preferably, the central axis of the first die insert coincides with the central axis of the first punch.

Preferably, the second concave die insert is in an inverted convex shape, and the concave die insert fixing plate is matched with the second concave die insert in shape.

(III) advantageous effects

The utility model provides a supporting framework assembly punching die possesses following beneficial effect:

the utility model discloses a through setting up first die mold insert, die mold insert fixed plate, stripper and first terrace die, when using, block the support chassis on the second die mold insert, the recess that has with the support chassis looks adaptation on the die mold insert fixed plate, be used for fixing a position the support chassis, the stripper blocks on the support chassis, the stripper bottom has the protruding position with the support chassis looks adaptation, block on the support chassis, fix a position the support chassis through die mold insert fixed plate and stripper jointly, first terrace die and second terrace die move downwards under the die shank drives, punch a hole to the support chassis, when punching a hole to the support chassis, fix a position the support chassis through die mold insert fixed plate and stripper jointly, prevent the support chassis from moving when punching a hole, reached the effect that improves the support chassis precision that punches a hole, solved present common car support chassis assembly punching die when using, because the supporting framework is a special-shaped piece, the supporting framework is easy to move in the punching process, and the punching precision is low.

Drawings

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

FIG. 2 is a top cross-sectional view of a second cavity insert of the present invention;

FIG. 3 is a schematic structural view of the fixing plate of the female mold insert of the present invention;

FIG. 4 is a top view of the fixing plate of the female mold insert of the present invention;

FIG. 5 is a schematic view of the discharge plate structure of the present invention;

FIG. 6 is a top view of the stripper plate of the present invention;

FIG. 7 is a schematic structural view of the male mold fixing plate of the present invention;

fig. 8 is a top view of the male die holder of the present invention;

fig. 9 is a schematic structural view of a first concave mold insert of the present invention;

FIG. 10 is a schematic structural view of a first male die of the present invention;

fig. 11 is a schematic structural view of a second concave mold insert of the present invention;

FIG. 12 is a schematic structural view of a second male die of the present invention;

fig. 13 is the structure diagram of the guide sleeve of the present invention.

In the figure: 1. a base plate; 2. a die shank; 3. a first female die insert; 4. fixing a concave die insert plate; 5. a guide sleeve; 6. a second female die insert; 7. a stripper plate; 8. a rubber block; 9. a first male die; 10. a second male die; 11. a male die fixing plate; 12. and (6) a guide pillar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. 1-13, the utility model provides a technical solution: a supporting framework assembly punching die comprises a bottom plate 1 and a die handle 2, wherein the bottom plate 1, the die handle 2, a female die insert fixing plate 4, a male die fixing plate 11 and a discharging plate 7 are all made of No. 45 steel, the No. 45 steel is high-quality carbon structural steel, the cold and hot processing performance and the mechanical performance are good, the bottom plate 1 is positioned below the die handle 2, the top of the bottom plate 1 is respectively provided with a first female die insert 3, a female die insert fixing plate 4 and a guide sleeve 5, the first female die insert 3, a second female die insert 6, a first male die 9 and a second male die 10 are all made of Cr12 die steel, the Cr12 die steel is widely applied cold-work die steel, has good hardenability and wear resistance, the service lives of the first female die insert 3, the second female die insert 6, the first male die insert 9 and the second male die insert 10 are prolonged, the female die insert 4 is used for fixing the first female die insert 3, the guide sleeve 5 and the second female die insert, the female die insert fixing plate 4 is fixed on the top of the bottom plate 1, the top of the female die insert fixing plate 4 is respectively provided with a second female die insert 6 and a discharging plate 7, the top of the discharging plate 7 is provided with a rubber block 8, the bottom of the die shank 2 is respectively provided with a first male die 9, a second male die 10, a male die fixing plate 11 and guide pillars 12, the male die fixing plate 11 is used for fixing the first male die 9, the second male die 10 and the guide pillars 12, the male die fixing plate 11 is fixed on the bottom of the die shank 2, the number of the first male dies 9 is three, the three first male dies 9 are distributed in an annular array by taking the circle center of the male die fixing plate 11 as the array center, the second male die 10 is fixed at the middle position of the male die fixing plate 11, the number of the guide pillars 12 is three, the three guide pillars 12 are distributed in an annular array by taking the circle center of the male die fixing plate, the 20Cr steel is low-hardenability carburizing steel, the bottom of the first male die 9 sequentially penetrates through the rubber block 8 and the stripper plate 7 and extends to the lower portion of the stripper plate 7, the bottom of the second male die 10 sequentially penetrates through the stripper plate 7 and extends to the lower portion of the stripper plate 7, and the bottom of the guide pillar 12 sequentially penetrates through the rubber block 8 and the stripper plate 7 and is movably connected with the inner wall of the guide sleeve 5.

As a technical optimization scheme of the utility model, the bottom of guide pillar 12 is hemispherical, and the shape of guide pin bushing 5 and the shape looks adaptation of guide pillar 12 make things convenient for guide pillar 12 to insert the inside of guide pin bushing 5.

As the utility model discloses a technical optimization scheme, the quantity of first die mold insert 3 is three, and three first die mold insert 3 uses the centre of a circle of die mold insert fixed plate 4 to be annular array distribution as the array center, and first die mold insert 3 is fixed on die mold insert fixed plate 4, and the quantity of first terrace die 9 is corresponding with the quantity of first die mold insert 3.

As a technical optimization scheme of the utility model, the central axis of first die mold insert 3 and the central axis coincidence of first terrace die 9 improve the punching precision of supporting framework.

As a technical optimization scheme, second die mold insert 6 is down "protruding" font, die mold insert fixed plate 4 and second die mold insert 6's shape looks adaptation, and second die mold insert 6 is fixed on die mold insert fixed plate 4, and second die mold insert 6 is used for punching a hole of braced skeleton intermediate position.

When in use, the supporting framework is clamped on the second female die insert 6, a groove matched with the supporting framework is arranged on the female die insert fixing plate 4 and used for positioning the supporting framework, the unloading plate 7 is clamped on the supporting framework, a protruding part matched with the supporting framework is arranged at the bottom of the unloading plate 7 and clamped on the supporting framework, the supporting framework is positioned by the female die insert fixing plate 4 and the unloading plate 7 together, the punch fixing plate 11 is driven by the die handle 2 to move downwards, the rubber block 8 is extruded by the punch fixing plate 11, the first punch 9, the second punch 10 and the guide post 12 are driven by the punch fixing plate 11 to move downwards, the positions of the first punch 9 and the second punch 10 correspond to the positions of the first female die insert 3 and the second female die insert 6, the first punch 9 and the second punch 10 move downwards to punch the supporting framework, and waste materials after punching directly fall from a blanking channel on the base plate 1, the guide pillar 12 moves downwards along the inner wall of the guide sleeve 5, so that the first male die 9 and the second male die 10 are always in a vertical motion state, the punching precision of the first male die 9 and the second male die 10 is improved, the female die insert fixing plate 4 is used for fixing the first female die insert 3, the second female die insert 6 and the guide sleeve 5, the male die fixing plate 11 is used for fixing the first male die 9, the second male die 10 and the guide pillar 12, when the supporting framework is punched, the supporting framework is jointly positioned through the female die insert fixing plate 4 and the discharging plate 7, the supporting framework is prevented from moving when the supporting framework is punched, the effect of improving the punching precision of the supporting framework is achieved, and therefore the quality of the supporting framework is improved.

To sum up can, the utility model discloses a set up first die mold insert 3, die mold insert fixed plate 4, stripper 7 and first terrace die 9, solved present common car supporting framework assembly punching die when using, because the braced frame is the dysmorphism piece, the braced frame moves easily at the in-process that punches a hole to lead to the lower problem of precision of punching a hole.

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 support skeleton assembly punching die, includes bottom plate (1) and die shank (2), bottom plate (1) is located the below of die shank (2), its characterized in that: the top of the bottom plate (1) is respectively provided with a first female die insert (3), a female die insert fixing plate (4) and a guide sleeve (5), the top of the female die insert fixing plate (4) is respectively provided with a second female die insert (6) and a stripper plate (7), the top of the stripper plate (7) is provided with a rubber block (8), the bottom of the die shank (2) is respectively provided with a first male die (9), a second male die (10), a male die fixing plate (11) and a guide post (12), the bottom of the first male die (9) sequentially penetrates through the rubber block (8) and the discharge plate (7) and extends to the lower part of the discharge plate (7), the bottom of the second male die (10) penetrates through the discharging plate (7) and extends to the lower part of the discharging plate (7), the bottom of the guide post (12) sequentially penetrates through the rubber block (8) and the stripper plate (7) and is movably connected with the inner wall of the guide sleeve (5).

2. The support frame assembly punching die of claim 1, wherein: the bottom of the guide post (12) is hemispherical, and the shape of the guide sleeve (5) is matched with that of the guide post (12).

3. The support frame assembly punching die of claim 1, wherein: the number of the first female die inserts (3) is three, and the three first female die inserts (3) are distributed in an annular array by taking the circle center of the female die insert fixing plate (4) as the array center.

4. The support frame assembly punching die of claim 1, wherein: the central axis of the first concave die insert (3) is superposed with the central axis of the first convex die (9).

5. The support frame assembly punching die of claim 1, wherein: the second concave die insert (6) is in an inverted convex shape, and the concave die insert fixing plate (4) is matched with the second concave die insert (6) in shape.