CN220259380U - Die stamping part ejection device - Google Patents

Abstract

The utility model discloses a die stamping part ejection device, wherein the upper end of an upper die is connected with an upper die driving mechanism, a lower die is arranged below the upper die, the upper die is connected with an ejection bracket through a connecting rod penetrating through the lower die, a plurality of ejection devices are arranged on the ejection bracket, the ejection devices and the lower die are matched with the die stamping part ejection device, the situation that the ejection devices still need an additional power mechanism in the actual use process and have a complex structure is improved by arranging the ejection mechanisms connected with the upper die in the prior art, and the utility model also provides another design thought of a mechanism.

Description

Die stamping part ejection device

Technical Field

The utility model relates to the field of die production equipment, in particular to a die stamping part ejection device.

Background

A stamping die is a special process equipment for processing a material (metal or nonmetal) into a part (or a semi-finished product) in cold stamping processing, and is called a cold stamping die (commonly called a cold stamping die). The stamping is a press processing method for obtaining a required part by applying pressure to a material at room temperature by using a die arranged on a press machine to separate or plastically deform the material, and when the stamping is completed, the stamping is ejected and demoulded.

Currently, chinese patent No.: CN202120035441.0 discloses an ejecting device for drawing of patterns of stamping parts, it includes the lower mould lid and installs in the last mould lid of lower mould lid upper surface, the die cavity has been seted up to the upper surface of lower mould lid, the spacing groove has all been seted up to the both sides of die cavity, and the bottom of die cavity has been seted up and has been supported the cavity, the bottom fixed mounting who supports the cavity has a supporting ring, and the bottom of supporting the cavity has a plurality of telescopic links at the inboard fixed mounting of supporting ring, a plurality of the equal fixed mounting in top of telescopic link has the roof, the lower surface central point of roof puts fixed mounting has the fixed slot, the lower surface central point of last mould lid puts fixed mounting has the punching press piece, and the lower surface of last mould lid is in the equal fixed mounting of both sides of punching press piece bolt, the both sides fixed mounting of punching press piece has the stopper, utilizes supporting ring and telescopic link to support the roof, makes the roof keep stable when last mould lid and lower mould lid compound die to improve the qualified fashioned yield of punching press mould. However, in the prior art, the ejection mechanism still has the problems that an additional power mechanism is needed and the structure is complex in the actual use process.

Disclosure of Invention

Therefore, in order to solve the above problems, the utility model provides a die stamping part ejection device which is directly connected with a lifting mechanism of an upper die, drives the ejection device to move through the lifting of the upper die, does not need a driving mechanism of the ejection device, has a simple structure, and is easy to maintain.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a mould stamping workpiece ejecting device, its structure includes mould, last mould actuating mechanism, connecting rod, lower mould support, ejecting device, the upper end of going up the mould is connected with last mould actuating mechanism, the below of going up the mould sets up the lower mould, go up the mould and pass through the connecting rod and the ejecting leg joint of lower mould, set up a plurality of ejecting devices on the ejecting support, ejecting device cooperates with the lower mould, ejecting device sets up die cavity, ejection bottom plate, ejector rod, movable rod slide, base, supporting spring, the lower die cavity is located the upper surface of lower mould, the bottom surface of lower die cavity sets up a plurality of ejection bottom plates, ejection bottom plate is connected with the ejector rod, the below 2-10cm department of ejector rod sets up the movable rod, the movable rod is located in a vertical through-hole, the movable rod passes through a movable rod slide and through-hole upper and lower sliding connection, the movable rod passes through a supporting spring and is connected with the base.

Further, the material of the ejection bottom plate is the same as that of the lower die, a line continuous with the lower die or a continuous plane structure is arranged on the ejection bottom plate, the thickness of the ejection bottom plate is 1-2cm, the ejection bottom plate is matched with a yielding groove of the lower die cavity, the bottom surface of the yielding groove is of a plane structure, and a through hole for connecting the ejection bottom plate is arranged in the middle of the yielding groove.

Further, a supporting seat for supporting the movable rod is arranged in the middle of the base, the bottom surface of the supporting seat is 1-2cm away from the bottom surface of the movable rod, and the stroke of the supporting spring is larger than 3cm.

Furthermore, the ejection bottom plate, the ejection rod, the abdication groove matched with the ejection bottom plate and the ejection rod and the upper part of the through hole are of an inverted conical structure or a truncated cone-shaped structure.

Further, the movable rod sliding seat is in sliding connection with the inside of the through hole through the sliding groove, and an input hole for introducing lubricating oil is formed in the inside of the through hole.

Further, 3-4 ejector rods are arranged, and the geometric center of the enclosed area of the ejector rods is positioned in the range of 0-10cm of the center of gravity of the finished product.

By adopting the technical scheme, the utility model has the beneficial effects that: according to the die stamping part ejection device, the ejection mechanism connected with the upper die is arranged, so that the problem that in the prior art, an additional power mechanism is needed for the ejection mechanism in the actual use process is solved, the structure is complex, the other design thought of the mechanism is provided, in the scheme, the ejection device is directly connected with the lifting mechanism of the upper die, and the ejection device is driven to move through the lifting of the upper die, so that the driving mechanism of the ejection device is not needed, and the die stamping part ejection device is simple in structure and easy to maintain.

In the process of downward movement of the upper die (punching end): the ejecting bottom plate falls into the groove of stepping down, makes down the die cavity level, later carries out the punching press to the work piece, later goes up the in-process that the mould upwards moved and can drive ejecting device upward movement to it is ejecting with the work piece in the die cavity down, set up sufficient redundant stroke between ejector rod, the movable rod, can be used to most stamping die, the motion of unloading equipment in being convenient for has stronger universality and usability, full mechanical structure, does not need devices such as extra drive, power supply, use cost is low.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic view of the internal structure of the present utility model.

Fig. 3 is a schematic view of the working state structure of the present utility model.

In the figure: 1. an upper die; 2. an upper die driving mechanism; 3. a connecting rod; 4. a lower die; 5. a lower die support; 6. ejecting the support; 7. an ejector device; 71. a lower die cavity; 72. ejecting the bottom plate; 73. an ejector rod; 74. a movable rod; 75. a movable rod slide; 76. a base; 77. and a support spring.

Detailed Description

The utility model will now be further described with reference to the drawings and detailed description.

Referring to fig. 1-3, the present embodiment provides a die stamping ejection device, the structure of which includes an upper die 1, an upper die driving mechanism 2, a connecting rod 3, a lower die 4, a lower die support 5, an ejection support 6, and an ejection device 7, the upper end of the upper die 1 is connected with the upper die driving mechanism 2, the lower die 4 is disposed below the upper die 1, the upper die 1 is connected with the ejection support 6 through the connecting rod 3 passing through the lower die 4, the ejection support 6 is provided with a plurality of ejection devices 7, the ejection devices 7 are matched with the lower die 4, the ejection devices 7 are provided with a lower die cavity 71, an ejection bottom plate 72, an ejection rod 73, a movable rod 74, a movable rod slide 75, a base 76 and a supporting spring 77, the lower die cavity 71 is disposed on the upper surface of the lower die 4, the bottom surface of the lower die cavity 71 is provided with a plurality of ejection bottom plates 72, the movable rod 74 is disposed at the position 2-10cm below the ejection rod 73, the movable rod 74 is disposed in a vertical through hole, and the movable rod 74 is connected with the base 76 through a movable rod 75 and the movable rod 77.

In addition, the connecting rod 3 is used as a positioning rod in different schemes, and in the scheme, the ejection bracket 6 and the ejection device 7 can be directly arranged at the lower end of the positioning rod.

The material of the ejection bottom plate 72 is the same as that of the lower die 4, the ejection bottom plate 72 is provided with lines continuous with the lower die 4 or a continuous plane structure, the thickness of the ejection bottom plate 72 is 1-2cm, the ejection bottom plate 72 is matched with a yielding groove of the lower die cavity 71, the bottom surface of the yielding groove is of a plane structure, and the middle part of the yielding groove is provided with a through hole for connecting the ejection bottom plate 72.

The middle part of the base 76 is provided with a supporting seat for supporting the movable rod 74, the bottom surface of the supporting seat is 1-2cm away from the bottom surface of the movable rod 74, and the stroke of the supporting spring 77 is more than 3cm.

The ejection bottom plate 72, the ejection rod 73, and the upper parts of the abdication grooves and the through holes matched with the ejection bottom plate and the ejection rod are of an inverted conical structure or a truncated cone structure.

The movable rod sliding seat 75 is in sliding connection with the inside of the through hole through a sliding groove, and an input hole for introducing lubricating oil is formed in the inside of the through hole.

The number of the ejection rods 73 is 3-4, and the geometric center of the enclosed area of the ejection rods 73 is in the range of 0-10cm of the center of gravity of the finished product.

This mould stamping workpiece ejection device 7 has improved prior art still to have ejection mechanism to need extra power mechanism in the in-service use in-process through setting up the ejection mechanism who is connected with last mould 1, and the condition that the structure is more complicated also provides another design thinking that proposes the mechanism, in this scheme, ejection device 7, it is directly connected with the elevating system of last mould 1, drives ejection device 7 motion through going up the lift of mould 1, does not need ejection device 7's actuating mechanism, simple structure, easy to maintain.

In the process of downward movement of the upper die 1 (punching end): the ejecting bottom plate 72 falls into the groove of stepping down, makes lower die cavity 71 level, and then punches the work piece, and afterwards upward motion's of upper die 1 in-process can drive ejecting device 7 upward motion to it is ejecting with the work piece in the lower die cavity 71, set up sufficient redundant stroke between ejector rod 73, the movable rod 74, can be used to most stamping die, the motion of unloading equipment in the convenience has stronger universality and workability, and full mechanical structure does not need devices such as extra drive, power supply, use cost is low.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. The utility model provides a mould stamping workpiece ejecting device which characterized in that: the structure of the device comprises an upper die, an upper die driving mechanism, a connecting rod, a lower die support, an ejection support and an ejection device, wherein the upper end of the upper die is connected with the upper die driving mechanism, the lower die is arranged below the upper die, the upper die is connected with the ejection support through the connecting rod penetrating through the lower die, the ejection support is provided with a plurality of ejection devices, and the ejection devices are matched with the lower die;

the ejector device is provided with a lower die cavity, an ejector bottom plate, an ejector rod, a movable rod sliding seat, a base and a supporting spring, wherein the lower die cavity is arranged on the upper surface of the lower die, a plurality of ejector bottom plates are arranged on the bottom surface of the lower die cavity, the ejector bottom plate is connected with the ejector rod, the movable rod is arranged at the position 2-10cm below the ejector rod, the movable rod is arranged in a vertical through hole, the movable rod is connected with the through hole in an up-down sliding mode through the movable rod sliding seat, and the movable rod is connected with the base through the supporting spring.

2. A die stamping ejection device as defined in claim 1, wherein: the material of the ejection bottom plate is the same as that of the lower die, a line continuous with the lower die or a continuous plane structure is arranged on the ejection bottom plate, the thickness of the ejection bottom plate is 1-2cm, the ejection bottom plate is matched with a yielding groove of the lower die cavity, the bottom surface of the yielding groove is of a plane structure, and a through hole for connecting the ejection bottom plate is arranged in the middle of the yielding groove.

3. A die stamping ejection device as defined in claim 1, wherein: the middle part of base sets up the supporting seat that is used for supporting the movable rod, the bottom surface of supporting seat is 1-2cm from the bottom surface of movable rod, the stroke of supporting spring is greater than 3cm.

4. A die stamping ejection device as defined in claim 1, wherein: the ejection bottom plate, the ejection rod, the abdication groove matched with the ejection bottom plate and the ejection rod and the upper part of the through hole are of an inverted conical structure or a truncated cone-shaped structure.

5. A die stamping ejection device as defined in claim 1, wherein: the movable rod sliding seat is in sliding connection with the inside of the through hole through the sliding groove, and an input hole for introducing lubricating oil is formed in the inside of the through hole.

6. A die stamping ejection device as defined in claim 1, wherein: the number of the ejection rods is 3-4, and the geometric center of the enclosed area of the ejection rods is positioned in the range of 0-10cm of the center of gravity of the finished product.