CN223588156U - Progressive die supporting structure and progressive die with same - Google Patents

Abstract

The utility model discloses a progressive die material supporting structure and a progressive die with the same, wherein the progressive die material supporting structure is provided with a supporting block pressing bar and a push rod, the supporting block pressing bar is fixedly connected at the bottom of a female die, the support block pressing strip can be embedded in the lower die plate of the progressive die in a vertically sliding mode, the ejector rod vertically slides and penetrates through the lower die plate, and the bottom end of the ejector rod is connected with the support block pressing strip. In the process of die assembly, the pressing plate firstly contacts the ejector rod to press down, then the ejector rod drives the support block pressing bar and the female die to synchronously move downwards, then the pressing plate reaches a dead point position to press the edge of a workpiece, then the punch continuously presses the workpiece downwards along with the continuous downward die assembly movement, and in the process of punch pressing, the pressing plate always maintains downward acting force on the female die through the action of the ejector rod and the support block pressing bar, and the acting force is larger than the elastic force of a spring at the bottom of the support block pressing bar, so that the female die cannot deform a forming part before the workpiece.

Description

Progressive die supporting structure and progressive die with same

Technical Field

The utility model relates to the technical field of die devices, in particular to a progressive die material supporting structure and a progressive die with the same.

Background

The step of downward molding of progressive die mainly comprises punch, die and pressing plate. Firstly, the female die is arranged below the material belt, the material belt is pressed by the material pressing plate on the material belt, and the punch is driven by the machine tool to move downwards to contact the material belt, so that the punch female die forms the material sheet under the action of the machine tool. The progressive die is required to be connected by a material belt to drive the production step by step backwards, but the part after downward molding is held in the female die and cannot move, and the supporting material is required to be added to discharge the molded part for further molding. The whole female die is unloaded in an upward floating mode to keep normal feeding, at this time, as shown in fig. 1, a problem occurs that the die is pressed by a pressing plate from opening to closing, then a machine tool drives a die holder and a punch (101) to form, when the pressing plate presses a material belt, the female die (103) is not pressed, still is ejected to be in a floating state by a spring (106) at the bottom of the female die, but the boundary of a workpiece (102) is already pressed by the pressing plate, so that under the action of the spring (106), the female die (103) can cause a larger acting force on a forming part before the workpiece, and deformation is caused on the forming part before the workpiece.

Disclosure of utility model

The utility model aims at overcoming the technical defects in the prior art and provides a progressive die supporting structure and a progressive die with the same.

The technical scheme adopted for realizing the purpose of the utility model is as follows:

The utility model provides a progressive die holds in palm material structure, includes die, die block layering, ejector pin and spring, wherein, but the die is slided from top to bottom and is inlayed on the lower bolster of progressive die, and die block layering fixed connection is in the die bottom, and the die block layering can be slided from top to bottom and inlay in the lower bolster of progressive die, and the lateral part of die block layering has the protruding position that surpasss the die, and the top of this protruding position is the entity part of lower bolster, carries out spacingly to the die block layering, the ejector pin vertically slides and runs through the entity part of the lower bolster of installing above protruding position to the bottom of ejector pin is connected with the protruding position of die block layering, the spring sets up in the bottom of die block layering for the die block layering provides ascending elasticity.

In the technical scheme, the support block pressing strip is fixedly connected to the bottom of the female die through bolts.

In the technical scheme, the lower die plate is internally provided with the installation cavity for installing the support block pressing strip, and the height of the installation cavity is larger than the thickness of the support block pressing strip, so that the support block pressing strip can have the capability of sliding up and down in the installation cavity.

In the technical scheme, the number of the ejector rods is two, and the ejector rods are arranged on the protruding parts on two sides of the support block pressing strip.

The progressive die comprises an upper die part and a lower die part, wherein the upper die part is provided with a punch and a pressing plate, and the progressive die material supporting structure is arranged on the lower die part.

In the above technical scheme, the upper die part comprises an upper die base, an upper base plate arranged below the upper die base and an upper clamping plate arranged below the upper base plate, the top of the punch is fixedly arranged on the upper clamping plate and the upper base plate, and the material pressing plate is arranged below the upper clamping plate through a top spring.

In the technical scheme, the material pressing plate is formed by vertically superposing a back release plate and an upper release plate, and the back release plate is connected with the bottom end of the top spring.

In the above technical scheme, the lower die part comprises a lower die holder, a base for supporting the lower die holder, a lower base plate arranged on the upper end face of the lower die holder and a lower die plate arranged on the upper end face of the lower base plate.

Compared with the prior art, the utility model has the beneficial effects that:

The progressive die material supporting mechanism is provided with a supporting block pressing bar and a push rod, the supporting block pressing bar is fixedly connected to the bottom of a female die, the supporting block pressing bar can be embedded in a lower die plate of a progressive die in a vertically sliding mode, a protruding part exceeding the female die is arranged on the side part of the supporting block pressing bar, the upper part of the protruding part is a solid part of the lower die plate, the supporting block pressing bar is limited, the push rod vertically slides and penetrates through the solid part of the lower die plate above the protruding part, and the bottom end of the push rod is connected with the protruding part of the supporting block pressing bar. In the process of die assembly, the pressing plate firstly contacts the ejector rod to press down along with the downward movement of the upper die part, then the ejector rod drives the supporting block pressing bar and the female die to synchronously move downwards, then the pressing plate reaches a dead point position to press the edge of a workpiece, then the punch continuously presses the workpiece downwards along with the continuous downward die assembly movement, and in the process of punch punching, the pressing plate always maintains downward acting force on the female die through the action of the ejector rod and the supporting block pressing bar, and the acting force is larger than the elastic force of a spring at the bottom of the supporting block pressing bar, so that the workpiece is not stressed, and the female die cannot deform the forming part before the workpiece.

Drawings

Fig. 1 is a schematic diagram of a prior art progressive die carrier structure.

Fig. 2 is a schematic diagram showing an operating state of the progressive die supporting structure in die opening.

Fig. 3 is a schematic diagram showing the working state of the progressive die supporting structure when the die is closed.

Detailed Description

The utility model is described in further detail below with reference to the drawings and the specific examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 2 and 3, a progressive die material supporting structure and a progressive die with the same in a preferred embodiment of the present utility model are shown, the progressive die material supporting structure comprises a female die 3, a supporting block pressing strip 5, a push rod 4 and a spring 6, wherein the female die 3 is embedded on a lower template 14 of the progressive die in a vertically sliding manner, the supporting block pressing strip 5 is fixedly connected to the bottom of the female die 3 through a bolt 7, the supporting block pressing strip 5 is embedded in the lower template 14 of the progressive die in a vertically sliding manner (i.e. a mounting cavity for mounting the supporting block pressing strip 5 is arranged in the lower template 14, the height of the mounting cavity is greater than the thickness of the supporting block pressing strip 5, so that the supporting block pressing strip 5 can slide up and down in the mounting cavity), the transverse length of the supporting block pressing strip 5 is greater than the transverse length of the female die 3, two sides of the supporting block pressing strip 5 are provided with protruding parts 51 exceeding the female die 3, the upper parts of the protruding parts 51 are solid parts of the lower template 14, the supporting block pressing strip 5 is limited by the solid parts of the lower template 14, the vertical sliding portions 4 are arranged in the positions penetrating through the upper parts of the lower template 14, and the protruding parts 51 are connected with the bottom parts of the upper parts of the supporting block pressing strip 5; preferably, the number of the ejector rods 4 is two, the ejector rods are arranged on the protruding parts 51 on two sides of the support block pressing strip 5, and the springs 6 are arranged at the center of the bottom of the support block pressing strip 5 and are used for providing upward elastic force for the support block pressing strip 5.

The progressive die with the progressive die supporting structure comprises an upper die part and a lower die part, wherein the upper die part is provided with a punch 1 and a pressing plate 100, and the progressive die supporting structure is arranged on the lower die part.

In the process of die assembly, as the upper die part moves downwards, the material pressing plate 100 firstly contacts the ejector rod 4 (see figure 2), pressure begins to be applied to the ejector rod 4, the ejector rod 4 is downwards pressed because the top spring 13 of the material pressing plate 100 is larger than the spring 6 at the bottom of the support block pressing bar 5, the ejector rod 4 drives the support block pressing bar 5 and the female die 3 to synchronously move downwards, then the material pressing plate 100 reaches a dead point position to press the edge of the workpiece 2 (see figure 3), then as the downward die assembly movement is continued, the punch 1 continuously presses the workpiece downwards, and in the process of punching by the punch 1, the material pressing plate 100 always maintains downward acting force on the female die 3 due to the action of the ejector rod 4 and the support block pressing bar 5, and the acting force is larger than the spring 6 at the bottom of the support block pressing bar 5, so that the workpiece 2 is not stressed, and the female die 3 cannot deform the formed part before the workpiece.

Specifically, the upper die part comprises an upper die holder 8, an upper base plate 9 arranged below the upper die holder 8 and an upper clamping plate 10 arranged below the upper base plate 9, the top of the punch 1 is fixedly arranged on the upper clamping plate 10 and the upper base plate 9, and the material pressing plate 100 is arranged below the upper clamping plate 10 through a top spring 13. Further, the pressing plate 100 is formed by stacking a back release plate 11 and an upper release plate 12 up and down, and the back release plate 11 is connected with the bottom end of the top spring 13.

The lower die part comprises a lower die holder 16, a base 17 for supporting the lower die holder 16, a lower base plate 15 arranged on the upper end surface of the lower die holder 16 and a lower die plate 14 arranged on the upper end surface of the lower base plate 15.

Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature's illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "under" other elements or features would then be oriented "over" the other elements or features. Thus, the exemplary term "lower" may encompass both an upper and lower orientation. The device may be otherwise positioned (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Moreover, relational terms such as "first" and "second", and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims (8)

1. The progressive die material supporting structure is characterized by comprising a female die, a supporting block pressing bar, a push rod and a spring, wherein the female die can be embedded on a lower die plate of the progressive die in a vertically sliding mode, the supporting block pressing bar is fixedly connected to the bottom of the female die, the supporting block pressing bar can be embedded in the lower die plate of the progressive die in a vertically sliding mode, a protruding part exceeding the female die is arranged on the side part of the supporting block pressing bar, the upper part of the protruding part is a solid part of the lower die plate, the supporting block pressing bar is limited, the push rod vertically slides through the solid part of the lower die plate above the protruding part, the bottom end of the push rod is connected with the protruding part of the supporting block pressing bar, and the spring is arranged at the bottom of the supporting block pressing bar and is used for providing upward elastic force for the supporting block pressing bar.

2. The progressive die supporting structure of claim 1, wherein the supporting block pressing bar is fixedly connected to the bottom of the female die through bolts.

3. The progressive die material supporting structure of claim 1, wherein the lower die plate is internally provided with a mounting cavity for mounting the supporting block pressing strip, and the height of the mounting cavity is larger than the thickness of the supporting block pressing strip, so that the supporting block pressing strip can slide up and down in the mounting cavity.

4. The progressive die material supporting structure according to claim 1, wherein the number of the ejector rods is two, and the ejector rods are arranged on the protruding parts on two sides of the supporting block pressing strip.

5. A progressive die comprises an upper die part and a lower die part, and is characterized in that the upper die part is provided with a punch and a pressing plate, and the lower die part is provided with the progressive die material supporting structure as claimed in claim 1.

6. The progressive die of claim 5, wherein the upper die portion comprises an upper die base, an upper base plate arranged below the upper die base, and an upper clamping plate arranged below the upper base plate, the top of the punch is fixedly arranged on the upper clamping plate and the upper base plate, and the material pressing plate is arranged below the upper clamping plate through a top spring.

7. The progressive die of claim 5, wherein the pressing plate is formed by stacking a back stripper plate and an upper stripper plate, and the back stripper plate is connected with the bottom end of the top spring.

8. The progressive die of claim 5, wherein the lower die portion comprises a lower die base, a base for supporting the lower die base, a lower backing plate arranged on an upper end surface of the lower die base, and a lower die plate arranged on an upper end surface of the lower backing plate.