CN212664805U - Automatic upsetting and ejecting die - Google Patents

Abstract

The utility model relates to an automatic upsetting ejection die, which comprises a molding press, an upper die, a lower die and an elastic ejector rod, wherein a cavity is arranged in the upper die, the upper die and the elastic ejector rod are both fixedly arranged at the upper part of the molding press, the lower end of the elastic ejector rod is arranged in the cavity, the lower die is fixedly arranged at the lower part of the molding press, and the position of the lower die corresponds to the position of the cavity; the upsetting part of the workpiece is placed in a cavity of an upper die, the lower end of the workpiece is fixed in a lower die, an elastic ejector rod is arranged at the upper part of a molding press, when the upper die or the lower die moves close to each other under the driving of the molding press, the elastic ejector rod will push the workpiece to apply pressure, and the upsetting processing is carried out after the elastic ejector rod always stores force to the limit; after the processing is finished, the upper die and the lower die are separated by the molding press, the elastic ejector rod releases the elastic force, the original length of the elastic ejector rod is recovered, and the workpiece is automatically ejected out of the cavity of the upper die; the utility model discloses simple structure is reliable, compares in prior art further the cost is reduced, has very strong practicality.

Description

Automatic upsetting and ejecting die

Technical Field

The utility model relates to a thick equipment technical field of mound specifically is an automatic liftout mould of mound thickness.

Background

Upsetting is a forging process that reduces the height of the billet and increases the cross-section. When the local cross section of the billet is increased, the local upset is called local upsetting. The upsetting function comprises the steps of obtaining a forging with a larger cross section and a smaller height from a blank with a smaller cross section; the cross section and the flat end surface of the blank are enlarged before punching; the forging ratio during the next step of drawing is improved; the transverse mechanical property of the forge piece is improved, and the anisotropy is reduced; repeated upsetting and stretching are carried out to break up carbide in the alloy tool steel so as to ensure that the carbide is uniformly distributed.

At present, in the domestic forging industry, aiming at the problem of upsetting process material ejection, the current mode is basically as follows: 1. adding an ejector rod on a sliding block on the punch press, and ejecting the workpiece by utilizing the machine body by the return stroke of the punch press; 2. adding auxiliary hydraulic or pneumatic devices for ejecting materials; therefore, the design of the die and the tool is complex, and the input cost is high.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an automatic liftout mould of mound is thick can be after carrying out the mound thick processing to the work piece ejecting with the work piece automatically, simple structure simultaneously, with low costs.

The utility model discloses an automatic liftout mould of mound thickness, include the mold press, go up mould, lower mould and elasticity ejector pin, upward be equipped with the die cavity in the mould, go up the equal fixed upper portion that sets up at the mold press of mould and elasticity ejector pin, the lower extreme setting of elasticity ejector pin is in the die cavity, and the lower mould is fixed to be set up in the lower part of mold press, and the position of lower mould corresponds with the position of die cavity.

Furthermore, the upper portion of the molding press is a movable end, the lower end of the molding press is a fixed end, a mounting hole for mounting the elastic ejector rod is formed in the movable end, the mounting hole penetrates through the upper side and the lower side of the movable end, and first limiting rings are arranged at openings at two ends of the mounting hole.

Furthermore, the elastic ejector rod comprises an ejector rod, a second limiting ring arranged in the middle of the ejector rod and a disc spring sleeved on the upper section of the telescopic rod, two ends of the disc spring are respectively abutted against the first limiting ring and the second limiting ring, and the bottom end of the ejector rod is exposed out of the cavity.

Furthermore, the movable end is provided with a guide post hole, a guide post is arranged at the corresponding position of the fixed end, and the guide post penetrates through the guide post hole.

Furthermore, the movable end is externally connected with a driving device.

The utility model has the advantages that: the utility model discloses an automatic liftout mould of mound thickness, through placing the mound thick part of work piece in the die cavity of last mould, the lower extreme of work piece is fixed in the lower mould, and the upper portion of die press is equipped with the elasticity ejector pin, and when upper mould or lower mould were close to the motion under the drive of die press, the elasticity ejector pin will be withstood the work piece and exerted pressure, and the elasticity ejector pin holds the power and reaches the limit all the time and then carries out mound thick processing; after the processing is finished, the upper die and the lower die are separated by the molding press, the elastic ejector rod releases the elastic force, the original length of the elastic ejector rod is recovered, and the workpiece is automatically ejected out of the cavity of the upper die; the utility model discloses simple structure is reliable, compares in prior art further the cost is reduced, has very strong practicality.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and it will be apparent to those skilled in the art that other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional structural view of the present invention;

fig. 3 is an enlarged schematic view of the sectional structure of the present invention.

The reference numbers are as follows: 1-upper die, 2-lower die, 3-movable end, 4-fixed end, 5-elastic ejector rod, 11-die cavity, 31-mounting hole, 32-guide column hole, 41-guide column, 51-ejector rod, 52-disc spring, 311-first limit ring and 511-second limit ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

As shown in fig. 1-3: the upsetting automatic material ejecting die comprises a molding press, an upper die 1, a lower die 2 and an elastic ejector rod 5, wherein a cavity 11 is arranged in the upper die 1, the upper die 1 and the elastic ejector rod 5 are both fixedly arranged on the upper portion of the molding press, the lower end of the elastic ejector rod 5 is arranged in the cavity 11, the lower die 2 is fixedly arranged on the lower portion of the molding press, and the position of the lower die 2 corresponds to the position of the cavity 11.

The utility model discloses the principle as follows: placing the upsetting part of the workpiece in a cavity 11 of an upper die 1, fixing the lower end of the workpiece in a lower die 2, arranging an elastic ejector rod 5 at the upper part of a molding press, and when the upper die 1 or the lower die 2 moves close to each other under the driving of the molding press, the elastic ejector rod 5 will push against the workpiece to apply pressure, and the upsetting processing is carried out after the elastic ejector rod 5 keeps the power to the limit; after the processing is finished, the upper die 1 and the lower die 2 are separated by the molding press, the elastic ejector rod 5 releases the elastic force, the original length of the elastic ejector rod 5 is recovered, and the workpiece is automatically ejected out of the cavity 11 of the upper die 1; the utility model discloses simple structure is reliable, compares in prior art further the cost is reduced, has very strong practicality.

In this embodiment, the upper portion of the molding press is a movable end 3, the lower end of the molding press is a fixed end 4, a mounting hole 31 for mounting an elastic ejector rod 5 is arranged in the sliding end, the mounting hole 31 penetrates through the upper and lower sides of the movable end 3, openings at two ends of the mounting hole 31 are respectively provided with a first limit ring 311, the elastic ejector rod 5 comprises an ejector rod 51, a second limit ring 511 arranged in the middle of the ejector rod 51 and a disc spring 52 sleeved on the upper section of the telescopic rod, two ends of the disc spring 52 are respectively abutted against the first limit ring 311 and the second limit ring 511, the bottom end of the ejector rod 51 is exposed in the cavity 11, when the movable end 3 receives an external driving force to move downwards, the ejector rod 51 directly contacts with the top of a workpiece in the cavity 11, the bottom of the workpiece is supported by the lower die 2, because the ejector rod 51 moves in the mounting hole 31, the ejector rod 51 moves upwards under the mutual, the top of the ejector rod 51 continuously moves outwards from the top of the mounting hole 31 until the disc spring 52 reaches the minimum compression length, and the ejector rod 51 applies all pressure from the outside to the top of the workpiece, so that the workpiece is subjected to upsetting; when the upper die 1 and the lower die 2 are separated after the machining is finished, the disc spring 52 releases the force accumulated in the compression process, the lower end of the disc spring 52 applies a downward force to the second limiting ring 511, the ejector rod 51 is forced to move downwards to be in contact with the workpiece in the cavity 11, and the workpiece is automatically ejected.

In this embodiment, the movable end 3 is provided with a hole 32 of a guide pillar 41, the fixed end 4 is provided with a guide pillar 41 at a corresponding position, and the guide pillar 41 is inserted into the hole 32 of the guide pillar 41 for stabilizing the movement track of the movable end 3 and avoiding the situation of movement error.

In this embodiment, the movable end 3 is externally connected to a driving device, so that the movable end 3 moves downward along the guide post 41 and the hole 32 of the guide post 41, thereby performing upsetting on the workpiece in the cavity 11.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (5)

1. The utility model provides an automatic liftout mould of mound thickness which characterized in that: the device comprises a molding press, an upper die, a lower die and an elastic ejector rod, wherein a cavity is arranged in the upper die, the upper die and the elastic ejector rod are both fixedly arranged at the upper part of the molding press, the lower end of the elastic ejector rod is arranged in the cavity, the lower die is fixedly arranged at the lower part of the molding press, and the position of the lower die corresponds to the position of the cavity.

2. The upsetting automatic ejecting die as claimed in claim 1, wherein: the upper portion of molding press is the expansion end, and the lower extreme of molding press is the stiff end, is equipped with in the expansion end to be used for the installation the mounting hole of elasticity ejector pin, the mounting hole runs through the upper and lower both sides of expansion end, and the opening part at mounting hole both ends all is equipped with first spacing ring.

3. The upsetting automatic ejecting die as claimed in claim 2, wherein: the elastic ejector rod comprises an ejector rod, a second limiting ring arranged in the middle of the ejector rod and a disc spring sleeved on the upper section of the telescopic rod, two ends of the disc spring are respectively abutted to the first limiting ring and the second limiting ring, and the bottom end of the ejector rod is exposed out of the cavity.

4. The upsetting automatic ejecting die as claimed in claim 2, wherein: the movable end is provided with a guide post hole, a guide post is arranged at the corresponding position of the fixed end, and the guide post penetrates through the guide post hole.

5. The upsetting automatic ejecting die as claimed in claim 2, wherein: the movable end is externally connected with a driving device.

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