CN215392007U - Side-pushing driving mechanism of rotary time-delay anti-reverse-top drawing die - Google Patents

Abstract

A side-push driving mechanism of a rotary delay anti-reverse-top drawing die comprises an upper die and a lower die, wherein the upper die comprises an upper die base, an upper pressure plate, a nitrogen spring, an upper pressure plate insert, a concave die and a counter block, the concave die is arranged below the upper die base, the nitrogen spring and the upper pressure plate connected with the nitrogen spring are arranged in the upper die base, the upper pressure plate insert is arranged on the upper pressure plate, the upper pressure plate insert sequentially penetrates through the upper die base and the concave die and can extend out of the concave die, and the counter block is arranged at the end part of the upper pressure plate; the lower die comprises a lower die base, a blank holder nitrogen spring, a male die, a rotary supporting block, an elastic jacking pin, a driving block, a stressed bearing, a cover plate and a spring. The utility model utilizes the pressure of the punch press during production to drive each mechanism to support and release at proper time so as to prevent the process piece from being reversely jacked and deformed during material pressing and mold opening during mold closing.

Description

Side-pushing driving mechanism of rotary time-delay anti-reverse-top drawing die

Technical Field

The utility model relates to the technical field of mold structure design, in particular to a side-push driving mechanism of a rotary delay anti-reverse-top drawing mold.

Background

In the prior art, a time-delay nitrogen spring system used by a drawing die has the characteristics of large occupied space, high price, high maintenance cost and the like.

Accordingly, the prior art is subject to improvements and enhancements.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides the rotary delay anti-reverse-jacking drawing die side-pushing driving mechanism which utilizes the pressure generated during the production of a punch press to drive each mechanism to support and release at proper time so as to prevent a working procedure piece from being reversely jacked and deformed during material pressing and die opening during die closing.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a side-push driving mechanism of a rotary delay anti-reverse-top drawing die comprises an upper die and a lower die, wherein the upper die comprises an upper die base, an upper pressure plate, a nitrogen spring, an upper pressure plate insert, a concave die and a counter block, the concave die is arranged below the upper die base, the nitrogen spring and the upper pressure plate connected with the nitrogen spring are arranged in the upper die base, the upper pressure plate insert is arranged on the upper pressure plate, the upper pressure plate insert sequentially penetrates through the upper die base and the concave die and can extend out of the concave die, and the counter block is arranged at the end part of the upper pressure plate;

the lower die comprises a lower die seat, a blank holder nitrogen spring, a male die, a rotary supporting block, an ejection pin, a driving block, a stressed bearing, a cover plate and a spring, the blank holder nitrogen spring and the blank holder which is connected with the blank holder nitrogen spring and matched with the female die are arranged in the lower die seat, and the male die which is arranged on the lower die seat and matched with the female die and the upper pressure plate insert is arranged in the blank holder; install the fixing base on the blank holder ring, rotate through the rotation axis on the fixing base install with the fixing base with to kicking block matched with rotatory supporting shoe, the fixing base is improved level and worn put with rotatory supporting shoe matched with play the knock pin, install the drive block slide on the die holder, slidable mounting has in the drive block slide the drive block, the drive block through the bearing pin will with rotatory supporting shoe matched with atress bearing is fixed on it and can the free roll, the drive block with be equipped with between the end plate of drive block slide the spring, the apron pass through adjusting screw install in on the drive block slide.

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

due to the adoption of the structural design, the pressure of the punch press during production drives each mechanism to support and release at proper time to prevent the process piece from being reversely jacked and deformed during material pressing and mold opening during mold closing, so that the occupied space is small, the cost is low, and the reliability is high.

Drawings

FIG. 1 is a schematic structural diagram of the utility model when the mold is opened;

FIG. 2 is a schematic structural diagram of the utility model during mold clamping.

The reference numbers in the figures are respectively: (1) the device comprises an upper die holder, (2) an upper pressure plate, (3) a nitrogen spring, (4) an upper pressure plate insert, (5) a female die, (6) an ejector block, (7) a lower die holder, (8) a blank holder, (9) a blank holder nitrogen spring, (10) a male die, (11) a rotary support block, (12) an ejector pin, (13) a driving block, (14) a stress bearing, (15) a cover plate, (16) a spring, (17) a fixed seat, (18) a rotating shaft, (19) a driving block sliding seat, (20) a bearing pin, (21) an end plate and (22) an adjusting screw.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings:

the embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless otherwise expressly stated or limited, the terms "mounted," "connected," "fixed," and the like are intended to be inclusive and mean, for example, that there may be a fixed connection, a removable connection, or an integral connection, that there may be a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediary, and that there may be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1, the utility model relates to a side-push driving mechanism of a rotary delay anti-reverse-top drawing die, which comprises an upper die and a lower die, wherein the upper die comprises an upper die holder 1, an upper pressure plate 2, a nitrogen spring 3, an upper pressure plate insert 4, a concave die 5 and a counter-top block 6, the concave die 5 is arranged below the upper die holder 1, the nitrogen spring 3 and the upper pressure plate 2 connected with the nitrogen spring 3 are arranged in the upper die holder 1, the upper pressure plate insert 4 is arranged on the upper pressure plate 2, the upper pressure plate insert 4 sequentially penetrates through the upper die holder 1 and the concave die 5 and can extend out of the concave die 5, and the counter-top block 6 is arranged at the end part of the upper pressure plate 2;

the lower die comprises a lower die base 7, a blank holder 8, a blank holder nitrogen spring 9, a male die 10, a rotary supporting block 11, an elastic ejector pin 12, a driving block 13, a stressed bearing 14, a cover plate 15 and a spring 16, the blank holder nitrogen spring 9 and the blank holder 8 which is connected with the blank holder nitrogen spring 9 and matched with the female die 5 are arranged in the lower die base 7, and the male die 10 which is arranged on the lower die base 7 and matched with the female die 5 and the upper pressure plate insert 4 is arranged in the blank holder 8; the blank holder 8 is provided with a fixed seat 17, the fixed seat 17 is rotatably provided with the rotary supporting block 11 matched with the fixed seat 17 and the abutting block 6 through a rotating shaft 18, the fixed seat 17 is horizontally provided with the ejection pin 12 matched with the rotary supporting block 11 in a penetrating manner, the lower die holder 7 is provided with a driving block sliding seat 19, the driving block sliding seat 19 is internally provided with the driving block 13 in a sliding manner, the driving block 13 fixes the stressed bearing 14 matched with the rotary supporting block 11 on the driving block sliding seat through a bearing pin 20 and can freely roll, the rotary supporting block can freely rotate around the rotating shaft in a reasonable range through the cooperation of the ejection pin and the stressed bearing which abut against the rotary supporting block, and the action of timely supporting and releasing is realized to achieve the effect of die sinking and anti-abutting; the spring 16 is arranged between the driving block 13 and an end plate 21 of the driving block sliding seat 19, the cover plate 15 is mounted on the driving block sliding seat 19 through an adjusting screw 22, the cover plate and the driving block sliding seat are fixed to provide a linear movement direction of the driving block, and the adjusting screw is used for adjusting the position of the driving block and limiting the movement interval of the driving block.

Referring to fig. 1 and 2, when the drawing die works, the upper die moves downwards, and when the upper pressure plate insert 4 and the female die 5 are in contact with the blank holder 8 and press the plate material on the blank holder 8 and the male die 10, the drawing die continues to move downwards to start drawing; because the nitrogen spring force of the blank holder is smaller than that of the nitrogen, the blank holder 8 is forced to continuously descend by the 5-type female die arranged on the upper die base 1, the rotating supporting block 11 is contacted with the stressed bearing 14 when the blank holder descends to a proper position, the rotating supporting block 11 is forced to rotate around the rotating shaft 18 because the spring force is larger than the force of the ejection pin, the rotating supporting block 11 is completely arranged between the ejection block 6 and the fixed seat 17 when the blank holder arrives at the proper position, rigid ejection is formed, and the blank holder is kept in the state until the die is completely closed; when the mold is opened, the upper mold moves upwards, the nitrogen spring 3 starts to release because the nitrogen spring force of the blank holder is smaller than the nitrogen spring force, the stressed bearing 14 and the rotating supporting block 11 are gradually separated, at the moment, the rigid abutting between the ejecting block 6 and the fixed seat 17 is always kept due to the force, and even if the mold is opened to a certain position, the upper blank holder insert 4 cannot destructively reversely abut against a process piece because the height of a complete process piece is always kept between the upper blank holder insert and the fixed seat; until the upper and lower dies are completely separated after the die is opened, the distance between the ejector block 6 and the fixed seat 17 is increased, and the rotary supporting block 11 rotates to a free state around the rotary shaft 18 under the pushing of the ejection pin 12; the utility model passes through a complete production work flow, can meet the requirements of a forming process, and can avoid the problem that a working procedure part is damaged due to the fact that the work of an upper pressure plate and a blank holder is not coordinated during die opening.

In conclusion, the utility model solves the technical problems in the prior art through the structural design and has the characteristics of reasonable structure, small occupied space, high reliability, low cost and the like.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Modifications and variations of the above-described embodiments may occur to those skilled in the art, and it is intended that all equivalent modifications and variations be included within the spirit and scope of the present invention as defined by the appended claims.

Claims (1)

1. The utility model provides a rotatory time delay anti-contrary top-drawing mould side pushes away actuating mechanism, includes mould and lower mould, its characterized in that: the upper die comprises an upper die base, an upper pressure plate, a nitrogen spring, an upper pressure plate insert, a female die and an opposite ejection block, the female die is arranged below the upper die base, the nitrogen spring and the upper pressure plate connected with the nitrogen spring are arranged in the upper die base, the upper pressure plate insert is arranged on the upper pressure plate, the upper pressure plate insert sequentially penetrates through the upper die base and the female die and can extend out of the female die, and the opposite ejection block is arranged at the end part of the upper pressure plate;

the lower die comprises a lower die seat, a blank holder nitrogen spring, a male die, a rotary supporting block, an ejection pin, a driving block, a stressed bearing, a cover plate and a spring, the blank holder nitrogen spring and the blank holder which is connected with the blank holder nitrogen spring and matched with the female die are arranged in the lower die seat, and the male die which is arranged on the lower die seat and matched with the female die and the upper pressure plate insert is arranged in the blank holder; install the fixing base on the blank holder ring, rotate through the rotation axis on the fixing base install with the fixing base with to kicking block matched with rotatory supporting shoe, the fixing base is improved level and worn put with rotatory supporting shoe matched with play the knock pin, install the drive block slide on the die holder, slidable mounting has in the drive block slide the drive block, the drive block through the bearing pin will with rotatory supporting shoe matched with atress bearing is fixed on it and can the free roll, the drive block with be equipped with between the end plate of drive block slide the spring, the apron pass through adjusting screw install in on the drive block slide.

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