CN218015229U - Shock attenuation stamping die - Google Patents

Abstract

The utility model provides a shock attenuation stamping die, from bottom to top include the base, lower mould subassembly and upper die assembly, be equipped with the buffering subassembly between lower mould subassembly and the base, be equipped with in the lower mould subassembly and hold the chamber, it is equipped with damping assembly to hold the intracavity, damping assembly includes the shell, connecting rod and balancing weight are located in the cavity in the shell, the upper end and the shell upper end rigid coupling of connecting rod, the lower extreme of connecting rod stretches into in the cavity in the balancing weight piece, the lower extreme of connecting rod has set firmly the limiting plate, the cover is equipped with damping spring on the connecting rod between shell upper end and the balancing weight upper end, the cover is equipped with damping spring down on the connecting rod between limiting plate and the balancing weight upper end. Shock attenuation stamping die can change the stress that the mould received into elastic potential energy through buffering subassembly and damper assembly to slow down and reduce the impact that stress caused to the mould, delay the damage that the mould received, improve machining precision, increase of service life.

Description

Shock attenuation stamping die

Technical Field

The utility model belongs to car mold processing field especially relates to a shock attenuation stamping die.

Background

The stamping is a forming method in which a press and a die are used to apply an external force to a plate, a strip, a pipe, a profile, etc. to cause plastic deformation or separation, thereby obtaining a workpiece (stamped part) with a desired shape and size. In the stamping process, the die can be subjected to large impact force, and the precision and the service life of the die are influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a shock attenuation stamping die to reduce impact and the wearing and tearing that the punching press caused the mould, improve the machining precision, extension mould life.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a shock attenuation stamping die, includes base, lower mould subassembly and goes up the mould subassembly from bottom to top, be equipped with the buffering subassembly between lower mould subassembly and the base, the buffering subassembly is used for slowing down the impact between lower mould subassembly and the base, be equipped with in the lower mould subassembly and hold the chamber, it is equipped with damping component to hold the intracavity, damping component is used for reducing the stress that lower mould subassembly received, damping component includes shell, connecting rod and balancing weight, during the cavity in the shell was located to connecting rod and balancing weight, the upper end and the shell upper end rigid coupling of connecting rod, during the lower extreme of connecting rod stretched into the cavity in the balancing weight, the lower extreme of connecting rod has set firmly the limiting plate, and the cover is equipped with damping spring on the connecting rod between shell upper end and the balancing weight upper end, and the cover is equipped with damping spring down on the connecting rod between limiting plate and the balancing weight upper end.

Furthermore, the buffer assemblies are provided with a plurality of buffer assemblies, each buffer assembly comprises an outer sleeve, an inner sleeve and a buffer spring, the outer sleeve is sleeved on the inner sleeve, the outer sleeve is fixedly connected with the upper end of the base, the inner sleeve is fixedly connected with the lower end of the lower die assembly, and the buffer springs are sleeved on the outer sleeve and the inner sleeve.

Furthermore, a guide rod is fixedly arranged on the base, guide rings are arranged on the upper die assembly and the lower die assembly, and the guide rings are sleeved on the guide rod.

Furthermore, corresponding limiting blocks are fixedly arranged on the adjacent surfaces of the base and the lower die assembly, and rubber pads are arranged on the limiting blocks.

Further, the lower die assembly comprises a lower die base and a lower die, the lower die is detachably connected to the lower die base, an accommodating cavity used for accommodating the damping assembly is formed in the lower die base, and a sealing ring is arranged on the inner wall of the accommodating cavity.

Further, go up the mould subassembly and include upper die base, actuating lever and mould, actuating lever and upper die base upper end rigid coupling, go up the mould and can dismantle with the upper die base lower extreme and be connected.

Compared with the prior art, shock attenuation stamping die have following advantage:

(1) The shock absorption stamping die can convert the stress received by the die into elastic potential energy through the buffer component and the shock absorption component, thereby slowing down and reducing the impact of the stress on the die, delaying the damage received by the die, improving the processing precision and prolonging the service life;

(2) Shock attenuation stamping die set up detachable damper, install as required, damper replaces the vibration of mould self through the vibration that does not have direct contact's balancing weight with the mould, has played the effect of dispersion stress, buffering unloading, compares in traditional spring shock attenuation, has better shock attenuation effect.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural view of a shock-absorbing stamping die according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a shock-absorbing assembly according to an embodiment of the present invention.

Description of reference numerals:

1. a base; 2. a shock-absorbing assembly; 3. a housing; 4. a connecting rod; 5. a balancing weight; 6. a limiting plate; 7. an upper damping spring; 8. a lower damping spring; 9. an outer sleeve; 10. an inner sleeve; 11. a buffer spring; 12. a guide rod; 13. a guide ring; 14. a limiting block; 15. a rubber pad; 16. a lower die holder; 17. a lower die; 18. an upper die holder; 19. a drive rod; 20. an upper die;

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of 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 therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The utility model provides a shock attenuation stamping die, from bottom to top include the base, lower mould subassembly and last mould subassembly, be equipped with a plurality of buffer assembly between lower mould subassembly and the base, be equipped with in the lower mould subassembly and hold the chamber, it has damping assembly to hold the intracavity grafting, damping assembly includes the shell, connecting rod and balancing weight, it is the cuboid that cavity and shell shape are corresponding to hold, it is equipped with the sealing washer to hold the intracavity wall, insert the shell and hold the intracavity, the installation that damping assembly can be accomplished to sealing washer and shell closely counterbalance, connecting rod and balancing weight are located the cavity in the shell, the upper end and the shell upper end rigid coupling of connecting rod, the lower extreme of connecting rod stretches into in the cavity in the balancing weight, the balancing weight can slide from top to bottom along the connecting rod, the lower extreme of connecting rod has set firmly the limiting plate, the cover is equipped with damping spring on the connecting rod between shell upper end and the balancing weight upper end, the both ends of going up damping spring are equipped with shell inner wall upper end and balancing weight outer wall upper end counterbalance, damping spring from top to bottom on the connecting rod between limiting plate and the balancing weight upper end, the both ends of lower damping spring offset with limiting plate upper end and balancing weight inner wall upper end;

each buffer assembly comprises an outer sleeve, an inner sleeve and a buffer spring, the outer sleeve is sleeved on the inner sleeve, the outer sleeve is fixedly connected with the upper end of the base, the inner sleeve is fixedly connected with the lower end of the lower die assembly, the buffer spring is sleeved on the outer sleeve and the inner sleeve, and two ends of the buffer spring are abutted against the bottom of the lower die assembly and the upper end of the base;

the base is fixedly provided with a guide rod, the upper die assembly and the lower die assembly are respectively provided with a guide ring, the guide rings are sleeved on the guide rod, and the upper die assembly and the lower die assembly slide along the guide rod in a reciprocating manner through the guide rings;

the adjacent surfaces of the base and the lower die assembly are fixedly provided with corresponding limiting blocks, rubber pads are arranged on the limiting blocks, and when the upper die assembly, the lower die assembly and the base are extruded to the extreme positions, the rubber pads on the two limiting blocks are tightly abutted to play a role in limiting and supporting;

the lower die assembly comprises a lower die base and a lower die, the lower die is detachably connected to the lower die base through bolts, and an accommodating cavity for accommodating the damping assembly is formed in the lower die base;

the upper die assembly comprises an upper die base, a driving rod and an upper die, the driving rod is fixedly connected with the upper end of the upper die base, the driving rod is connected with the movable end of the hydraulic cylinder during stamping, and the upper die is detachably connected with the lower end of the upper die base through a bolt.

The utility model provides a shock attenuation stamping die's application method as follows:

the upper die and the lower die are respectively arranged on an upper die base and a lower die base, the damping stamping die is placed below a hydraulic cylinder, a driving rod is connected with the hydraulic cylinder, a plate to be processed is fixed on the lower die, the hydraulic cylinder is started, the free end of the hydraulic cylinder pushes the driving rod to downwards extrude the upper die base and the upper die, the plate is stamped through the upper die and the lower die, meanwhile, the hydraulic cylinder continues to drive the upper die assembly and the lower die assembly to downwards move, the lower die base extrudes a buffer assembly, an inner sleeve pipe slides along an outer sleeve pipe, the buffer spring contracts to buffer the impact received by the upper die and the lower die, the buffer assembly positioned in the lower die base moves along with the lower die base, the received impact can be transmitted to the upper buffer spring and the lower buffer spring, the damping assembly plays a role in damping buffering through the vibration of the two buffer springs, specifically, when the lower die base receives the impact, a shell is stressed along with the shell, a displacement difference is generated between a connecting rod fixed with the shell and a balancing weight, and accordingly the compression state of the upper buffer spring and the lower buffer spring is changed. When the hydraulic cylinder compresses the upper die assembly, the lower die assembly and the base to the limit position, the rubber pads on the two limit blocks are tightly abutted to play a role in limiting and supporting, and at the moment, the stamping is completed.

Later the pneumatic cylinder upwards lifts to reset, and buffer spring extends, makes lower mould component reset, can produce certain motive force to the panel after the punching press simultaneously, promotes panel and bed die separation, and when the pneumatic cylinder resumes to initial position, go up mould component, lower mould component, buffer assembly and also accomplish and reset, can take out the panel after the punching press, repeated next punching press.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a shock attenuation stamping die which characterized in that: including base, lower mould subassembly and last mould subassembly from bottom to top, be equipped with the buffering subassembly between lower mould subassembly and the base, be equipped with in the lower mould subassembly and hold the chamber, it is equipped with damper to hold the intracavity, damper includes shell, connecting rod and balancing weight, during cavity in the shell was located to connecting rod and balancing weight, the upper end and the shell upper end rigid coupling of connecting rod, during the lower extreme of connecting rod stretched into the cavity in the balancing weight, the lower extreme of connecting rod has set firmly the limiting plate, and the cover is equipped with damping spring on the connecting rod between shell upper end and the balancing weight upper end, and the cover is equipped with damping spring down on the connecting rod between limiting plate and the balancing weight upper end.

2. The shock absorbing stamping die of claim 1, wherein: the buffer assembly is provided with a plurality of buffer assemblies, each buffer assembly comprises an outer sleeve, an inner sleeve and a buffer spring, the outer sleeve is sleeved on the inner sleeve, the outer sleeve is fixedly connected with the upper end of the base, the inner sleeve is fixedly connected with the lower end of the lower die assembly, and the buffer springs are sleeved on the outer sleeve and the inner sleeve.

3. The shock absorbing stamping die of claim 1, wherein: the base is fixedly provided with a guide rod, the upper die assembly and the lower die assembly are respectively provided with a guide ring, and the guide rings are sleeved on the guide rod.

4. The shock absorbing stamping die of claim 1, wherein: and corresponding limiting blocks are fixedly arranged on the adjacent surfaces of the base and the lower die assembly, and rubber pads are arranged on the limiting blocks.

5. The shock absorbing stamping die of claim 1, wherein: the lower die assembly comprises a lower die base and a lower die, the lower die is detachably connected to the lower die base, an accommodating cavity used for accommodating the damping assembly is formed in the lower die base, and a sealing ring is arranged on the inner wall of the accommodating cavity.

6. The shock absorbing stamping die of claim 1, wherein: go up the mould subassembly and include upper die base, actuating lever and last mould, actuating lever and upper die base upper end rigid coupling, go up the mould and can dismantle with the upper die base lower extreme and be connected.

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