CN216779982U

CN216779982U - Punching device with floating block structure

Info

Publication number: CN216779982U
Application number: CN202123152788.2U
Authority: CN
Inventors: 王国伟; 陈亮
Original assignee: Suzhou Fanglin Science And Technology Co ltd
Current assignee: Suzhou Fanglin Science And Technology Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-06-21
Anticipated expiration: 2031-12-15

Abstract

The utility model relates to a punching device with a floating block structure, which comprises an upper die assembly and a lower die assembly, wherein the upper die assembly is sequentially provided with an upper die base, an upper die plate, a punch fixing plate and a stripper plate from top to bottom, the lower die assembly comprises a lower die base, a lower padding plate and a lower die plate which are sequentially arranged from bottom to top, the upper die assembly is provided with a punch, the top end of the lower die plate is provided with a plurality of floating pins, the floating pins are pressed between the lower padding plate and the lower die plate, and the lower die plate is provided with a lower die plate stripper insert. The punching device with the floating block structure has the advantages of preventing deformation, improving the yield, improving the processing efficiency and the like.

Description

Punching device with floating block structure

Technical Field

The utility model relates to the technical field of punching devices, in particular to a punching device with a floating block structure.

Background

At present, a thin product is punched by a punching die with a common structure and is easy to be in a circular arc shape, holes are formed in a thin and narrow strip material, the punching of the die is often the best method, if the punching die is used for machining and drilling, the thin material is difficult to clamp, the size and the precision of a part are difficult to guarantee, the workload is increased, the cost is increased, if stamping parts are of multiple varieties and few batches, and the product is updated quickly, a large number of dies are required to be manufactured in a short period, the production cost is inevitably increased, the whole production period is prolonged, and therefore the die with the modularized die structure is required to be generalized as much as possible.

In order to avoid the deformation phenomenon of the copper-nickel composite material in the stamping process, a floating block type structure is adopted.

To this end, we have developed a punching device with a floating block structure to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a punching device with a floating block structure, which has the advantages of preventing deformation, improving the yield, improving the processing efficiency and the like.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a take die-cut device of floating block structure, includes a last mould subassembly and a lower mould subassembly, it is equipped with an upper die base, an cope match-plate pattern, a punching pin fixed plate and one in proper order to go up mould subassembly top-down, the lower mould subassembly includes a die base, a lower bolster and a lower bolster that sets gradually from bottom to top, it is equipped with a punching pin to go up the mould subassembly, the top of lower bolster is equipped with a plurality of flotation material round pins, the lower bolster with crimping between the lower bolster the flotation material round pin, the lower bolster is equipped with a template and takes off the material and go into the son, the top of flotation material round pin is equipped with the former material of copper-nickel alloy, the punching pin with the lower bolster takes off the material and goes into the son will the former material of copper-nickel alloy is cut.

Preferably, the lower template is further provided with an air blowing inlet, and the air blowing inlet is communicated with the floating pin.

Preferably, the lower backing plate is provided with a lower die force transmission block, and the lower die force transmission block is arranged at the bottom end of the lower die plate stripping insert.

Preferably, the lower die base is provided with a lower die spring, and the top end of the lower die spring is abutted to the lower die force transmission block.

Preferably, the upper die assembly is further provided with at least one equal-height sleeve assembly, the top end of the equal-height sleeve assembly is in compression joint with the top end of the punch fixing plate, and the bottom end of the equal-height sleeve assembly is fixedly connected with the stripper plate.

Preferably, the upper die assembly is further provided with at least one stripper plate spring, and the stripper plate spring is pressed between the upper die base and the stripper plate.

Preferably, the upper die assembly is further provided with a plurality of guide pillars, the guide pillars penetrate through the punch fixing plate and the stripper plate, and the top ends of the guide pillars are in pressure joint with the middle position of the upper die plate and the punch fixing plate.

Preferably, the punch penetrates through the punch fixing plate and the stripper plate, and the top end of the punch is in compression joint with the punch fixing plate through the upper template.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

according to the punching device with the floating block structure, the floating pin and the air blowing inlet are in the floating block structure, so that the punching buckling deformation is prevented; the yield is improved, and the processing efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of the upper and lower die assemblies of the present invention in a separated state;

FIG. 2 is a schematic structural view of the stripper plate and the mold plate in a closed state;

FIG. 3 is a schematic structural view of a punched product of the punch fixing plate according to the present invention;

FIG. 4 is a schematic structural view of the stripper plate of the present invention when it is disengaged from the lower die plate.

Detailed Description

The utility model is described in further detail below with reference to the figures and the embodiments.

In fig. 1 to 4, a punching device with a floating block structure includes an upper die assembly and a lower die assembly.

The upper die assembly is sequentially provided with an upper die base 10, an upper die plate 20, a punch fixing plate 30 and a stripper plate 40 from top to bottom. The lower die assembly comprises a lower die holder 70, a lower backing plate 60 and a lower die plate 50 which are arranged from bottom to top in sequence.

An upper template 20 and a stripper plate spring 31 are arranged at the bottom end of the upper die holder 10.

The bottom of the upper die plate 20 is provided with a punch fixing plate 30, the upper die assembly is further provided with at least one equal-height sleeve assembly 32, the upper die assembly is further provided with at least one stripper plate spring 31, and the upper die assembly is further provided with a plurality of guide posts 35. The upper die plate 20 and the punch fixing plate 30 are provided with equal-height sleeve assemblies 32, and the top ends of the guide posts 35 are in press-connection with the middle positions of the upper die plate 20 and the punch fixing plate 30. The top end of the equal-height sleeve assembly 32 is pressed with the top end of the punch fixing plate 30, and the bottom end is fixedly connected with the stripper plate 40. The punch fixing plate 30 and the stripper plate 40 are connected through an equal-height sleeve assembly 32, and a guide post 35 is arranged in a penetrating manner. The stripper plate spring 31 is pressed between the upper die holder 10 and the stripper plate 40. The guide post 35 is arranged to penetrate through the punch fixing plate 30 and the stripper plate 40.

The upper die assembly is provided with a punch 33. The top end of the lower template 50 is provided with a plurality of float pins 51. The lower plate 50 is also provided with an air inlet 52. The air blow-in piece 52 is in communication with the float pin 51. The punch 33 is disposed through the punch fixing plate 30 and the stripper plate 40. The top end of the punch 33 is pressed against the punch fixing plate 30 through the upper die plate 20.

The float pin 51 is pressed between the lower backing plate 60 and the lower template 50. The lower template 50 is provided with a lower template stripping insert 55. The top end of the floating pin 51 is provided with a copper-nickel alloy raw material 100, and the punch 33 and the lower template stripping insert 55 shear the copper-nickel alloy raw material 100.

The lower backing plate 60 is provided with a lower die force transfer block 65. The lower die force transfer block 65 is arranged at the bottom end of the lower die plate stripper insert 55.

The lower die holder 70 is provided with a lower die spring 75. The top end of the lower die spring 75 is abutted against the lower die force transmission block 65. The lower die spring 75 is abutted with the lower template stripper insert 55 through the lower die force transfer block 65.

In the downward operation process of the upper sliding block of the punching machine, when the stripper plate 40 and the lower template 50 operate to a closed state, the punch 33 is matched with the knife edge of the lower template to shear the copper-nickel alloy raw material 100, and in the process, the punch 33 and the stripper insert 55 of the lower template clamp the sheared product 101 all the time, so that the punched product 101 is prevented from deforming.

The above is only a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.

Claims

1. The utility model provides a take die-cut device of kicking block structure which characterized in that: the upper die assembly is sequentially provided with an upper die base, an upper die plate, a punch fixing plate and a stripper plate from top to bottom, the lower die assembly comprises a lower die base, a lower padding plate and a lower die plate which are sequentially arranged from bottom to top, the upper die assembly is provided with a punch, the top end of the lower die plate is provided with a plurality of floating pins, the lower padding plate is in compression joint with the lower die plate, the lower die plate is provided with a lower die plate stripper insert, the top end of the floating pins is provided with copper-nickel alloy raw materials, and the punch and the lower die plate stripper insert are used for shearing the copper-nickel alloy raw materials.

2. The punching device with the floating block structure as claimed in claim 1, wherein the lower template is further provided with an air blowing inlet, and the air blowing inlet is communicated with the floating pin.

3. The punching device with a floating block structure as claimed in claim 2, wherein the lower backing plate is provided with a lower die force transfer block, and the lower die force transfer block is arranged at the bottom end of the lower template stripper insert.

4. The punching device with the floating block structure as claimed in claim 3, wherein the lower die base is provided with a lower die spring, and the top end of the lower die spring is abutted with the lower die force transmission block.

5. The punching device with a floating block structure as claimed in claim 1, wherein the upper die assembly is further provided with at least one equal-height sleeve assembly, the top end of the equal-height sleeve assembly is in press connection with the top end of the punch fixing plate, and the bottom end of the equal-height sleeve assembly is fixedly connected with the stripper plate.

6. The apparatus according to claim 5, wherein the upper die assembly further comprises at least one stripper plate spring, and the stripper plate spring is pressed between the upper die base and the stripper plate.

7. The apparatus according to claim 5, wherein the upper die assembly further comprises a plurality of guide posts, the guide posts are disposed through the punch fixing plate and the stripper plate, and the top ends of the guide posts are pressed against the upper die plate and the punch fixing plate at an intermediate position.

8. The punching device with the floating block structure as claimed in claim 5, wherein the punch is arranged through the punch fixing plate and the stripper plate, and the top end of the punch is in pressure joint with the punch fixing plate through the upper die plate.