CN217369807U

CN217369807U - Simulation cold extrusion forming device

Info

Publication number: CN217369807U
Application number: CN202123328181.5U
Authority: CN
Inventors: 伍金华; 肖勇
Original assignee: Dongguan Fuchengda Technology Co ltd
Current assignee: Dongguan Fuchengda Technology Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-09-06
Anticipated expiration: 2031-12-27

Abstract

The utility model provides a cold extrusion forming device of emulation relates to cold extrusion forming technical field, the fixed block, and set up in the inside bed die of fixed block, bed die bottom fixedly connected with die holder sets up in the last mould at bed die top, goes up mould top fixedly connected with and goes up the die-pad, goes up mould bottom fixedly connected with and goes up the mould drift, set up between last mould and the bed die, be used for confirming the locating component who goes up mould drift position, set up inside the die holder, be used for taking out the ejecting subassembly of formed part. The positioning column is matched with the positioning hole to be used, the position of the upper die punch can be positioned, the upper die punch, the inserting block and the inserting groove are matched to be used, a workpiece can be limited, and the workpiece is prevented from being deviated.

Description

Simulation cold extrusion forming device

Technical Field

The utility model relates to a cold extrusion forming technical field specifically is cold extrusion forming device of emulation.

Background

Cold extrusion is an important component of precision plastic volume forming technology, and generally, after a blank is subjected to simulation and special lubrication treatment on the surface of a material, a metal standard blank is placed into a die cavity, and under the action of pressure set by a press at normal temperature and a certain speed, the blank is subjected to plastic deformation by virtue of a die, so that a product with certain mechanical property is prepared.

The product requirements are generally met by adopting a mode of combining multiple times of forging extrusion and punching in the industry at present, when an extremely small product is produced, the problems of local strain, material shortage, wall thickness eccentricity and the like of the product are easily caused, and when a cold extrusion molding is carried out, slight position deviation is easily caused after a die is used for extrusion molding for a long time, so that the central position of the workpiece is deviated, and the wall thickness of the workpiece after being extruded is uneven and the size deviation is overlarge.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the background art, provide the cold extrusion forming device of emulation, use through the cooperation of reference column and locating hole, can fix a position the position of last mould drift, use through the cooperation of last mould drift, inserting piece and insertion groove, can prescribe a limit to the work piece, prevent that offset from appearing in the work piece.

In order to achieve the above object, the present invention provides a simulation cold extrusion molding apparatus, which comprises a fixing block and a fixing device

The lower die is arranged in the fixed block, and the bottom of the lower die is fixedly connected with a lower die base;

the upper die is arranged at the top of the lower die, an upper die base plate is fixedly connected to the top of the upper die, and an upper die punch is fixedly connected to the bottom of the upper die;

the positioning assembly is arranged between the upper die and the lower die and used for determining the position of the upper die punch;

and the ejection assembly is arranged in the lower die base and used for taking out the formed part.

Further, the positioning assembly comprises:

the connecting blocks are fixedly connected to the bottom of the upper die;

the positioning column is fixedly connected to the bottom of the connecting block;

the positioning columns and the positioning holes are uniformly distributed in an annular array mode, and fillets are arranged at the bottom ends of the positioning columns.

Furthermore, the bottom of the upper die punch is fixedly connected with an extrusion block, and the bottom of the extrusion block is fixedly connected with an insertion block.

Furthermore, a forming hole is formed in the top of the lower die, and the forming hole corresponds to the position of the upper die punch.

Further, the ejection assembly includes:

the ejection hole is formed in the top of the lower die base and communicated with the forming hole;

and the ejecting block is arranged in the ejecting hole.

Furthermore, an insertion groove matched with the insertion block for use is formed in the top of the top block, and the top end of the top block is located inside the forming hole.

Further, a workpiece with a hollow structure is arranged in the forming hole.

The utility model provides a cold extrusion forming device of emulation has following beneficial effect:

1. the utility model discloses the advantage lies in, uses through the cooperation of reference column and locating hole, can fix a position the position of last mould drift, avoids the mould to appear offset after long-time punching press operation for put the skew to work piece extruded central point, lead to the wall thickness after the work piece extrusion inhomogeneous and size deviation too big, appear going up the mould drift and strike the bed die surface even, cause the bed die or go up the condition emergence that the mould drift appears damaging.

2. Secondly, the position of the workpiece is limited by the inserting block through the matching use of the upper die punch, the inserting block and the inserting groove, so that the workpiece is prevented from being subjected to position deviation, the stress on the inner wall of the workpiece is not uniform, and the size precision of the extrusion forming of the workpiece is influenced.

3. Then, after the extrusion technology integrates simulation analysis and surface lubrication technology, the die testing time is effectively shortened, the problems that a formed product is complex in shape and difficult to cut are solved, the die does not need to be inclined, the appearance and the inner cavity of the formed product are vertical planes, the appearance is more attractive, the material utilization rate is improved, and stamping cutting and multiple forging processes are directly reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a bottom view of the overall structure of the present invention.

Fig. 3 is a side view of the overall structure of the present invention.

Fig. 4 is a cross-sectional view of the whole structure of the present invention.

Fig. 5 is a cross-sectional view of the lower mold structure of the present invention.

Fig. 6 is a cross-sectional view of the lower die holder structure of the present invention.

Fig. 7 is a schematic view of the positioning pillar structure of the present invention.

Fig. 8 is a schematic view of the positioning hole structure of the present invention.

Fig. 9 is a schematic view of the workpiece structure of the present invention.

Fig. 10 is a schematic view of the top block structure of the present invention.

Fig. 11 is a schematic structural view of the upper die punch of the present invention.

In FIGS. 1-11: 1. a fixed block; 101. a lower die; 102. positioning holes; 103. forming holes; 2. a lower die holder; 201. an ejection aperture; 202. a top block; 203. inserting the groove; 3. an upper die; 4. an upper die base plate; 5. Connecting blocks; 501. a positioning column; 6. an upper die punch; 601. inserting a block; 602. extruding the block; 7. and (5) a workpiece.

Detailed Description

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. It should be apparent that the described embodiments are only a few embodiments of the present application, and not all embodiments. 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.

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 are not to be construed as limiting the present application. 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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. 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.

The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize the application of other processes and/or the use of other materials.

Example (b):

referring to FIGS. 1-11 of the drawings,

the simulation cold extrusion molding device provided by the embodiment comprises a fixed block and

the lower die is arranged in the fixing block, and the bottom of the lower die is fixedly connected with a lower die base;

and the ejection component is arranged in the lower die base and used for taking out the formed part.

Further, the positioning assembly comprises:

the connecting blocks are fixedly connected to the bottom of the upper die;

set up in a plurality of locating holes at bottom die top, it is a plurality of reference column and a plurality of the locating hole all is annular array align to grid and distributes, the reference column bottom is provided with the radius angle, and it moves down to go up mould 3 at the in-process that moves down and drive a plurality of reference columns 501, makes reference column 501 insert inside locating hole 102, makes to go up mould drift 6 and just can insert into shaping hole 103, avoids last mould 3 position offset appearing after long-time punching press operation, leads to going up mould drift 6 and strikes the bottom die 101 surface, causes bottom die 101 or last mould drift 6 to appear damaging, and can be convenient for reference column 501 to insert inside locating hole 102 through the radius angle of reference column 501 bottom.

Further, the bottom of the upper die punch 6 is fixedly connected with an extrusion block 602, the bottom of the extrusion block 602 is fixedly connected with an insertion block 601, and then the upper die punch 6 drives the extrusion block 602 and the insertion block 601 to be inserted into the forming hole 103.

The upper die punch 6 is made of cold-work die steel material, and the cold-work die steel material has lower heating softening capacity, so that the upper die punch 6 can be prevented from being heated and softened when continuously performing stamping work, and meanwhile, the cold-work die steel material has higher wear resistance, so that more high-precision stamping parts can be processed while the service life of the upper die punch 6 is ensured;

the upper die punch 6 can also be made of high-carbon steel materials, the high-carbon steel materials have higher hardness than cold-work die steel materials, deformation of the upper die punch 6 during stamping can be effectively reduced, quality and precision of stamping parts are improved, the cold-work die steel materials have better toughness than the high-carbon steel materials, larger impact load can be borne, fatigue fracture of the die is avoided, and therefore the cold-work die steel materials are used as manufacturing materials of the upper die punch 6.

Further, the top of the lower die 101 is provided with a forming hole 103, the forming hole 103 corresponds to the position of the upper die punch 6, and the workpiece 7 which is subjected to simulation and special lubrication treatment on the material surface is placed in the forming hole 103, so that the forming hole 103 is in contact with the top of the top block 202.

Further, the ejection assembly comprises:

an ejection hole 201 arranged at the top of the lower die holder 2, and the ejection hole 201 is communicated with the molding hole 103;

after the extrusion molding of the ejector block 202 arranged inside the ejection hole 201, the upper die 3 drives the upper die punch 6 to be lifted and separated from the molding hole 103, and then the ejector block 202 moves upwards to eject the molded workpiece 7 out of the lower die 101, so that a worker can take the molded workpiece 7 conveniently.

Further, the top of the top block 202 is provided with an insertion groove 203 matched with the insertion block 601 for use, the top end of the top block 202 is located inside the forming hole 103, and when the upper die punch 6 is inserted into the forming hole 103, the insertion block 601 is just inserted into the insertion groove 203.

Further, the workpiece 7 with a hollow structure is arranged inside the molding hole 103, so that the inserting block 601 can penetrate through the workpiece 7 to limit the workpiece 7, and the inner wall of the workpiece 7 can be uniformly pressed by the pressing block 602.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to the related descriptions of other embodiments.

The above detailed description is given to a simulation cold extrusion molding device provided in the embodiments of the present application, and specific examples are applied herein to explain the principle and the implementation of the present application, and the description of the above embodiments is only used to help understanding the technical solution and the core idea of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.

Claims

1. A simulation cold extrusion molding device is characterized by comprising a fixed block and

2. A simulated cold extrusion molding apparatus as claimed in claim 1 wherein said positioning assembly comprises:

the connecting blocks are fixedly connected to the bottom of the upper die;

3. The apparatus according to claim 1, wherein the bottom of the upper mold punch is fixedly connected with an extrusion block, and the bottom of the extrusion block is fixedly connected with an insertion block.

4. The simulation cold extrusion molding apparatus of claim 1, wherein the top of the lower die is provided with a molding hole corresponding to the position of the upper die punch.

5. A simulated cold extrusion molding apparatus according to claim 1, wherein said ejection assembly comprises:

and the ejecting block is arranged in the ejecting hole.

6. A cold extrusion molding apparatus according to claim 5, wherein an insertion slot for mating with the insertion block is provided at the top of the top block, and the top end of the top block is located inside the molding hole.

7. A simulation cold extrusion forming device according to claim 4, wherein a workpiece with a hollow structure is arranged inside the forming hole.