CN218340864U

CN218340864U - Demoulding device of stamping die

Info

Publication number: CN218340864U
Application number: CN202222866500.6U
Authority: CN
Inventors: 张开封; 李明峰; 谭志军
Original assignee: Rongzhihang Information Technology Suzhou Co ltd
Current assignee: Rongzhihang Information Technology Suzhou Co ltd
Priority date: 2022-10-30
Filing date: 2022-10-30
Publication date: 2023-01-20
Anticipated expiration: 2032-10-30

Abstract

The utility model provides a stamping die demoulding device, belonging to the field of stamping equipment manufacturing; the utility model discloses a: the device comprises a lower die, an upper die and a demoulding slide block; two sides of the lower die are respectively provided with a sliding cavity, and the two demolding sliding blocks are respectively arranged in the two sliding cavities; the demolding slide block slides up and down in the sliding cavity, so that the top of the demolding slide block is protruded or flush with the top of the lower mold; the upper die is provided with a stamping cavity; the lower die is moved downward relative to the lower die so that the press cavities are fitted on both sides of the upper die. The utility model can make the stamping part be ejected out directly through the demoulding slide block after bending by the action of the demoulding slide block which slides vertically, thereby accelerating the demoulding speed without damaging the lower mould; production efficiency can be well promoted in the demoulding process.

Description

Demoulding device of stamping die

Technical Field

The utility model relates to a stamping equipment manufacturing technology especially relates to a stamping die shedder, belongs to auxiliary assembly and makes technical field.

Background

Metal stamping is a relatively common metal processing method, and has the advantages of low cost, high production efficiency, convenient operation and the like.

In the metal stamping and bending device in the prior art, after stamping is completed, two sides of a bent piece are tightly attached to a lower die. Particularly, if a stamping part with larger bending thickness is demoulded by adopting a push rod, the middle position of the bending part is preferably enabled to bulge firstly in the process of ejecting the bending part by the push rod because the push rod is positioned at the central position of the lower die, so that the edge of the bending part is contracted towards the central position, and the edge of the lower die is tightly clamped; therefore, the demoulding resistance is large, and the bent part can scratch the lower die due to the deformation of the stamping part in the process of jacking up the stamping part by the push rod, so that the service life of the lower die is shortened; and frequent replacement of the lower die seriously affects the production efficiency.

In addition, in the actual production process, for the bending piece of a plate with a larger area or length, the elasticity in the length direction is larger; and if the push rod is adopted for demoulding, because the push rod is positioned at the central position of the lower die, the demoulding resistance is increased due to the deformation of the edge of the bent piece in the process of ejecting the bent piece by the push rod, the demoulding time is longer, and the production efficiency is greatly influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a new stamping die shedder through setting up the drawing of patterns slider at the lower die edge to solve among the prior art large-scale thick panel and bend a punching press and accomplish the technical problem that back drawing of patterns is inefficient.

The utility model discloses stamping die shedder, include: the device comprises a lower die, an upper die and a demoulding slide block;

two sides of the lower die are respectively provided with a sliding cavity, and the two demolding sliding blocks are respectively arranged in the two sliding cavities; the demolding slide block slides up and down in the sliding cavity, so that the top of the demolding slide block is protruded or flush with the top of the lower mold;

the upper die is provided with a punching cavity; the upper die moves downward relative to the lower die so that the press cavities are fitted on both sides of the upper die.

The demoulding device for the stamping die is characterized in that the upper die is provided with two contact heads which are respectively positioned at two sides of the opening of the stamping cavity; the upper die is respectively contacted with the two demolding sliding blocks through the two contact heads.

The demoulding device for the stamping die is characterized in that the lower die is also provided with two push rods capable of vertically sliding; the top of each push rod is respectively contacted with the bottom of the demolding slide block.

The demoulding device for the stamping die is characterized in that the bottom of the demoulding slide block is provided with a limiting slide block, and the lower die is provided with a limiting clamp;

the demoulding slide block slides upwards to abut against the limiting clamp through the limiting slide block.

The demoulding device for the stamping die is characterized in that a telescopic cylinder is arranged at the bottom of the push rod; the telescopic cylinder enables the demoulding sliding block to slide up and down through the push rod.

The demoulding device of the stamping die is characterized in that a stamping head is further arranged below the upper die, and the stamping head is positioned at the opening of the stamping cavity; and the two contact heads are arranged on the stamping head.

The demoulding device for the stamping die is characterized in that a spring is sleeved on the push rod; the push rod is connected with the lower die through the spring.

The press die ejector as described above, wherein each of the ejector sliders has a sliding surface between one side thereof and the top of the lower die; the demoulding slide block slides up and down through the sliding surface to protrude or be flush with the top of the lower mould.

The utility model can make the stamping part be ejected out directly through the demoulding slide block after the stamping part is bent under the action of the demoulding slide block which slides vertically, thereby accelerating the demoulding speed without damaging the lower mould; production efficiency can be well promoted in the demoulding process. Because the utility model discloses a gliding mode of bed die edge drawing of patterns slider is ejecting to make the edge of whole piece of bending keep away from the central point of the piece of bending at ejecting in-process, and then make the edge of the piece of bending break away from the edge of bed die's edge, not only reduced the wearing and tearing to the bed die, and the drawing of patterns is effectual, ejecting fast.

Drawings

Fig. 1 is a side view of a stamping state of a stamping die demolding device according to an embodiment of the present invention;

fig. 2 is a side view of the demolding state of the punching mold demolding device according to the embodiment of the present invention.

Detailed Description

Stamping die shedder can adopt following material to make, and be not limited to following material, for example: cutting tool bit, mould, punching press head, slider, guide rail spout, traveller etc..

Fig. 1 is a side view of a stamping state of the stamping-die demoulding device according to the embodiment of the present invention; fig. 2 is a side view of the demolding state of the punching mold demolding device according to the embodiment of the present invention.

The present embodiment is particularly suitable for use in bending a work having a large length or area (generally more than 900 mm) and a large weight (5 to 30 Kg) and then performing a mold releasing operation.

The utility model discloses stamping die shedder, include: the lower die 2, the upper die 1 and the demoulding slide block 4; the lower die 2 and the upper die 1 correspond to each other in the vertical direction to perform a punching operation.

Two sides of the lower die 2 are respectively provided with a sliding cavity, and the two demolding sliding blocks 4 are respectively arranged in the two sliding cavities; the demolding slide block 4 slides up and down in the sliding cavity, so that the top of the demolding slide block 4 protrudes or is flush with the top of the lower mold 2; after the punching is finished, the upper die 1 moves upwards, and the demolding slide block 4 protrudes out of the lower die 2, so that the workpiece 9 protrudes out of the lower die 2, and demolding is realized.

The upper die 1 is provided with a punching cavity; the upper die 1 is moved downward relative to the lower die 2 so that the press cavities are fitted on both sides of the upper die 2.

In this embodiment, a sliding surface is provided between one side of each demolding slider 4 and the top of the lower mold 2; the ejector slide 4 slides up and down through the sliding surface to protrude or be flush with the top of the lower mold 2.

The utility model can make the stamping part bent by the action of the vertically sliding demoulding slide block, the top of the demoulding slide block is just propped against the bottom of the bending part of the workpiece 9, and the workpiece 9 is directly ejected out by the demoulding slide block at the moment, thereby accelerating the demoulding speed without damaging the lower mould; production efficiency can be well promoted in the demolding process.

In the embodiment, the lower die 2 is ejected in a mode that the demolding sliding block 4 slides upwards, so that the edge (namely, a bent part) of the whole workpiece 9 is far away from the central point of the workpiece 9 in the ejection process, and the edge of the workpiece 9 is separated from the knife edge of the lower die 2, so that the abrasion to the lower die 2 is reduced, the demolding effect is good, and the ejection speed is high.

In the demoulding device for the stamping die of the embodiment, the upper die 1 is provided with two contact heads 10, and the two contact heads 10 are respectively positioned at two sides of the opening of the stamping cavity; the upper die 1 is respectively contacted with the two demoulding sliders 4 through the two contact heads 10.

In the stamping process, the upper die 1 firstly presses the demoulding slide block 4 downwards through the contact head 10, and then the lower die 2 is embedded into the stamping cavity, so that the bending operation of the workpiece 9 is realized, and the demoulding slide block 4 can not influence the normal bending operation in the stamping process.

In the demoulding device for the stamping die in the embodiment, the lower die 2 is also provided with two push rods 3 capable of vertically sliding; the top of each push rod 3 is respectively contacted with the bottom of the demoulding slide block 4.

Further, a telescopic cylinder 30 is arranged at the bottom of the push rod 3; the telescopic cylinder 30 makes the demoulding slide block 4 slide up and down through the push rod 3. Therefore, the telescopic cylinder 30 can normally drive the demoulding slide block 4 when demoulding, and quick demoulding operation is realized.

In another embodiment, a spring is sleeved on the push rod 3; the push rod 3 is connected with the lower die 2 through the spring. In this embodiment, no telescopic cylinder is arranged, and the demoulding slide block 4 can automatically keep level with the top of the lower mould 2 only through the resilience action of the spring, so that the structure of the demoulding device is simplified. In the process of pressing down the upper die 1, the demoulding slide block 4 is automatically pressed down through the contact head 10, and the bending operation is not influenced.

In the demolding device for the stamping die of the present embodiment, as shown in fig. 1, a limiting slider 40 is disposed at the bottom of the demolding slider 4, and a limiting card 20 is disposed on the lower die 2; the demoulding slide block 4 slides upwards to abut against the limit card 20 through the limit slide block 40.

Therefore, the demolding slider 4 can be prevented by the limiting card 20 in the upward moving process, and the maximum upward sliding stroke of the demolding slider is limited.

In the demolding device for the stamping die in the embodiment, a stamping head is further arranged below the upper die 1 and is positioned at the opening of the stamping cavity; both contact heads 10 are arranged on the punching head. The contact heads 10 are located at a distance from each other and on both sides of the two stripper sliders 4.

Additionally, the utility model discloses a stamping die shedder cost of manufacture is not high, small and exquisite exquisiteness, and structural design is compact, and convenient operation is applicable to the drawing of patterns operation of various thick sheet metal and great length sheet metal stamping workpiece.

The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments. Through the above description of the embodiments, those skilled in the art can clearly understand that the method of the above embodiment can be implemented by some variations and the necessary general technical superposition; but of course can also be realized by simplifying some important technical features in the upper level. Based on such understanding, the technical solution of the present invention essentially or the part contributing to the prior art is: the whole function and structure, and cooperate the utility model discloses each embodiment the structure.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims

1. A stamping die stripping apparatus, comprising: the device comprises a lower die, an upper die and a demoulding slide block;

2. The stamping die stripping apparatus as claimed in claim 1, wherein the upper die is provided with two contact heads, the two contact heads are respectively located at two sides of the opening of the stamping cavity; the upper die is respectively contacted with the two demolding sliding blocks through the two contact heads.

3. The stamping die stripping apparatus as claimed in claim 1, wherein the lower die is further provided with two vertically slidable push rods; the top of each push rod is respectively contacted with the bottom of the demolding slide block.

4. The stamping die stripping device according to any one of claims 1 to 3, wherein a limiting slide block is arranged at the bottom of the stripping slide block, and a limiting clamp is arranged on the lower die;

5. The stamping die stripping device according to claim 3, wherein a telescopic cylinder is provided at the bottom of the push rod; the telescopic cylinder enables the demoulding sliding block to slide up and down through the push rod.

6. The stamping die stripping apparatus as claimed in claim 2, wherein a punch is further provided below the upper die, the punch being located at the opening of the stamping cavity; and the two contact heads are arranged on the stamping head.

7. The stamping die stripping device according to claim 3, wherein the push rod is sleeved with a spring; the push rod is connected with the lower die through the spring.

8. The press die ejector apparatus of claim 1, wherein each of said ejector slides has a sliding surface between one side thereof and a top of said lower die; the demoulding slide block slides up and down through the sliding surface to protrude or be flush with the top of the lower mould.