CN216263289U

CN216263289U - Preforming die for connector forge piece

Info

Publication number: CN216263289U
Application number: CN202122630101.5U
Authority: CN
Inventors: 徐华; 徐荣生
Original assignee: ANHUI BEST TECHNOLOGY CO LTD
Current assignee: ANHUI BEST TECHNOLOGY CO LTD
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-04-12
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses a preforming die of a connector forging, which comprises an upper die, a lower die and a closing plate, wherein: the lower die is provided with a lower forming groove on the parting surface, the upper die is arranged above the lower die, the lower forming groove is opposite to the upper forming groove, and the upper forming groove and the lower forming groove form a forming groove when the parting surface of the lower die is contacted with the parting surface of the upper die; a lower half through hole and an upper half through hole are respectively formed in the lower die and the upper die, the lower half through hole and the upper half through hole are respectively communicated with the lower forming groove and the upper forming groove, the lower half through hole is opposite to the upper half through hole, and the lower half through hole and the upper half through hole form a processing hole when the parting surface of the lower die is contacted with the parting surface of the upper die; the closing plate is vertically installed on the upper die in a sliding mode and used for closing the machining hole. The preforming die for the connector forging piece is simple in structure, and is convenient for preliminary forging and forming of the connector so as to reduce forging stamping force.

Description

Preforming die for connector forge piece

Technical Field

The utility model relates to the technical field of equipment related to hot working of metal materials, in particular to a preforming die for a connector forging.

Background

The defects of as-cast porosity and the like generated in the smelting process of metal can be eliminated through forging, the microstructure is optimized, and meanwhile, because the complete metal streamline is preserved, the mechanical property of the forging is generally superior to that of a casting made of the same material. Important parts with high load and severe working conditions in related machines are mainly forged pieces except for plates, sections or welding pieces which are simple in shape and can be rolled.

The connectors often require good mechanical properties and are often machined by forging. The connector shown in fig. 1 is often formed by applying a large striking force to a forging, and the formed forging is required to be provided with a connecting hole, so that the processing period of the connector is long.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems in the background art, the utility model provides a preforming die for a connector forging.

The utility model provides a preforming die for a connector forging, which comprises an upper die, a lower die and a closing plate, wherein:

the lower die is provided with a lower forming groove on the parting surface, the upper die is arranged above the lower die, the lower forming groove is opposite to the upper forming groove, and the upper forming groove and the lower forming groove form a forming groove when the parting surface of the lower die is contacted with the parting surface of the upper die;

a lower half through hole and an upper half through hole are respectively formed in the lower die and the upper die, the lower half through hole and the upper half through hole are respectively communicated with the lower forming groove and the upper forming groove, the lower half through hole is opposite to the upper half through hole, and the lower half through hole and the upper half through hole form a processing hole when the parting surface of the lower die is contacted with the parting surface of the upper die;

the closing plate is vertically installed on the upper die in a sliding mode and used for closing the machining hole.

In order to facilitate the forging forming of the connecting hole on the upper side surface of the connecting head, as a further optimized scheme of the utility model, the lower die is also provided with a lower extruding groove which is communicated with the lower forming groove, and the lower extruding groove is positioned on one side of the processing hole.

As a further optimized scheme of the utility model, the distance from the bottom of the lower extrusion groove to the parting surface of the upper die is less than the distance from the bottom of the lower forming groove to the parting surface of the upper die, when the material is forged and processed, because the hole on the raw blank is enlarged, part of the metal material flows outwards into the lower extrusion groove, and fertilizer is formed in the lower extrusion groove after the forge piece is cooled, and the fertilizer needs to be processed and cut.

As a further optimized scheme of the utility model, the metal material forming device further comprises a first partition plate, wherein the first partition plate is vertically and slidably mounted on the upper die and is used for separating the lower extrusion trough and the lower forming trough, and metal material is prevented from flowing to the lower extrusion trough when primary forming is carried out.

As a further optimized scheme of the utility model, the device also comprises a connecting plate, and the tops of the first partition plate and the closing plate are connected with the connecting plate, so that the first partition plate and the closing plate can be conveniently and simultaneously controlled to move up and down.

As a further optimized scheme of the utility model, the connecting plate is provided with the fixed lifting lug, so that the connecting plate is convenient to move.

In order to facilitate the forging forming of the connecting hole on the upper side surface of the connecting head, as a further optimized scheme of the utility model, the upper die is also provided with an upper extruding groove which is communicated with the upper forming groove, and the upper extruding groove is positioned on one side of the processing hole.

In order to facilitate the processing of the forged piece, as a further optimized scheme of the utility model, the distance from the bottom of the upper extruding groove to the parting surface of the lower die is smaller than the distance from the bottom of the upper forming groove to the parting surface of the lower die.

As a further optimized scheme of the utility model, a positioning block is arranged on the parting surface of the upper die, a positioning hole is formed on the parting surface of the lower die, and the positioning hole is matched with the positioning block, so that the upper die and the lower die can be conveniently positioned.

According to the utility model, the preforming die for the connector forge piece is simple in structure, the connector is conveniently subjected to preliminary forging and forming, the connecting hole in the side part of the connector after the preliminary forging and forming is subjected to forging and reaming, the mechanical property of the connecting hole is further increased, the forging subjected to preliminary forging is subjected to final forging, the connector is further formed, and the forging stamping force is further reduced due to the fact that the preforming is performed.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

FIG. 1 is a schematic diagram of a conventional connector structure;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic diagram of an explosive structure according to the present invention;

FIG. 4 is a schematic view of the upper mold structure of the present invention

FIG. 5 is a schematic view of the lower mold structure of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar designations denote like or similar elements or elements having like or similar functionality throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

It will be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience and simplicity of description only and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the utility model.

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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Fig. 2-5 show a preforming mold for a connector forging, which comprises an upper mold 1, a lower mold 2 and a closing plate 3, wherein:

a lower molding groove 20 is formed in the parting surface of the lower die 2, an upper molding groove 10 is formed in the parting surface of the upper die 1, the upper die 1 is positioned above the lower die 2, the lower molding groove 20 is opposite to the upper molding groove 10, and the upper molding groove 10 and the lower molding groove 20 form a molding groove when the parting surface of the lower die 2 is in contact with the parting surface of the upper die 1;

a lower half through hole 21 and an upper half through hole 11 are respectively formed in the lower die 2 and the upper die 1, the lower half through hole 21 and the upper half through hole 11 are respectively communicated with the lower forming groove 20 and the upper forming groove 10, the lower half through hole 21 is opposite to the upper half through hole 11, and the lower half through hole 21 and the upper half through hole 11 form a processing hole when the parting surface of the lower die 2 is contacted with the parting surface of the upper die 1;

the closing plate 3 is vertically and slidably mounted on the upper die 1, the closing plate 3 is used for closing the machining hole, after a blank is placed on the lower die 2, the upper die 1 is covered, the closing plate 3 extends into the lower forming groove 20 and closes the machining through hole, when the upper die 1 is completed and the lower die 2 is completed, primary forging of a forge piece is completed, then the closing plate 3 is taken out to keep the upper die 1 to cover the lower die 2, namely, contact of parting surfaces of the upper die 1 and the lower die 2 is guaranteed, then a reaming rod is inserted into the machining hole and carries out reaming treatment on a component in the forming cavity, and the lower die 2 can be heated for the convenience of reaming processing so as to heat the component in the forming cavity;

the lower die 2 is also provided with a lower extruding groove 22, the lower extruding groove 22 is communicated with the lower forming groove 20, and the lower extruding groove 22 is positioned at one side of the axis of the processing hole;

in the embodiment, the distance from the bottom of the lower extruding groove 22 to the parting surface of the upper die 1 is preferably smaller than the distance from the bottom of the lower molding groove 20 to the parting surface of the upper die 1;

the upper die 1 is also provided with an upper extruding groove 12, the upper extruding groove 12 is communicated with the upper forming groove 10, the upper extruding groove 12 is positioned at one side of the processing hole, the upper extruding groove 12 is opposite to the lower extruding groove 22 in the embodiment, and when the parting surface of the lower die 2 is contacted with the parting surface of the upper die 1, the upper extruding groove 12 and the lower extruding groove 22 form an extruding cavity;

the distance from the bottom of the upper extruding groove 12 to the parting surface of the lower die 2 is less than the distance from the bottom of the upper forming groove 10 to the parting surface of the lower die 2, so that the thickness of the extruding cavity is less than that of the forming cavity, and the part formed in the extruding cavity is conveniently cut off;

the die further comprises a first partition plate 4, the first partition plate 4 is vertically and slidably mounted on the upper die 1, the first partition plate 4 is used for separating a forming cavity and an extruding cavity, the first partition plate 4 extends into the lower extruding groove 22 in the die assembling process of the upper die 1 and the lower die 2, namely the first partition plate 4 separates the forming cavity and the extruding cavity in the preliminary blank forging process;

the top parts of the first partition plate 4 and the closed plate 3 are connected with the connecting plate 5, and the first partition plate 4 and the closed plate 3 both extend into the lower die 2 in the primary forging process of the blank, so that when holes in the side surface of the blank are subjected to reaming forging, the first partition plate 4 and the closed plate 3 both move out of a forming cavity, and the first partition plate 4 and the closed plate 3 can be simultaneously controlled to move up and down through the arrangement of the connecting plate 5;

the connecting plate 5 is provided with a fixed lifting lug, so that the connecting plate 5, the first partition plate 4 and the closing plate 3 can be conveniently moved through a lifting device;

and a positioning block is arranged on the parting surface of the upper die 1, a positioning hole is formed in the parting surface of the lower die 2, and the positioning hole is matched with the positioning block.

In the working process of the embodiment: firstly, a blank is placed in a lower forming groove 20 of a lower die 2, then the upper die 1, a first partition plate 4 and a closing plate 3 simultaneously move downwards, so that a parting surface of the lower die 2 is contacted with a parting surface of the upper die 1, when the parting surface of the upper die 1 is contacted with the parting surface of the lower die 2, the first partition plate 4 and the closing plate 3 both move to the bottom of the lower forming groove 20, and further the inner walls of the first partition plate 4 and the closing plate 3 form the inner wall of a forming cavity;

then, the parting surface of the lower die 2 is ensured to be contacted with the parting surface of the upper die 1, and the first partition plate 4 and the closing plate 3 are separated from the forming cavity by moving the connecting plate 5 under the action of external force;

in order to ensure that the hole expanding processing of the connecting hole at the side part of the component is convenient, the lower die 2 or the upper die 1 is heated, then a punching column is punched in the processing hole, the forging hole expanding processing of the connecting hole at the side part of the component is realized, and in the hole expanding processing process, part of metal material flows into the extruding cavity;

and then taking out the formed part, cooling, removing the plate formed by the metal material far away from the extrusion cavity, and finally forging and forming.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a preforming mould of connector forging, its characterized in that includes mould (1), lower mould (2) and closing plate (3), wherein:

a lower molding groove (20) is formed in the parting surface of the lower die (2), an upper molding groove (10) is formed in the parting surface of the upper die (1), the upper die (1) is positioned above the lower die (2), the lower molding groove (20) is opposite to the upper molding groove (10), and the upper molding groove (10) and the lower molding groove (20) form a molding groove when the parting surface of the lower die (2) is contacted with the parting surface of the upper die (1);

a lower half through hole (21) and an upper half through hole (11) are respectively formed in the lower die (2) and the upper die (1), the lower half through hole (21) and the upper half through hole (11) are respectively communicated with the lower forming groove (20) and the upper forming groove (10), the lower half through hole (21) is opposite to the upper half through hole (11), and when the parting surface of the lower die (2) is contacted with the parting surface of the upper die (1), the lower half through hole (21) and the upper half through hole (11) form a processing hole;

the closing plate (3) is vertically and slidably mounted on the upper die (1), and the closing plate (3) is used for closing the machining hole.

2. The preforming mold for a connector forging according to claim 1, wherein a lower extruding groove (22) is further formed in the lower mold (2), the lower extruding groove (22) is communicated with the lower forming groove (20), and the lower extruding groove (22) is located on one side of the processing hole.

3. The pre-forming die for the connector forging is characterized in that the distance from the bottom of the lower extrusion groove (22) to the parting surface of the upper die (1) is smaller than the distance from the bottom of the lower forming groove (20) to the parting surface of the upper die (1).

4. The preforming mold for a connecting head forging according to claim 2, characterized by further comprising a first partition plate (4), wherein the first partition plate (4) is vertically slidably mounted on the upper mold (1), and the first partition plate (4) is used for separating the lower extruding groove (22) and the lower forming groove (20).

5. Preforming tool for a joint forging according to claim 2, characterized by further comprising a connecting plate (5), the top of the first dividing plate (4) and the closing plate (3) being connected to the connecting plate (5).

6. The preforming mold for a connector forging according to claim 5, characterized in that the connecting plate (5) is provided with a fixing lug.

7. The preforming mold for the connector forging according to claim 1, wherein the upper mold (1) is further provided with an upper extruding groove (12), the upper extruding groove (12) is communicated with the upper forming groove (10), and the upper extruding groove (12) is located on one side of the processing hole.

8. The preforming mold for a connector forging according to claim 7, characterized in that the distance from the bottom of the upper extruding groove (12) to the parting surface of the lower mold (2) is smaller than the distance from the bottom of the upper forming groove (10) to the parting surface of the lower mold (2).

9. The preforming mold for a connector forging according to claim 1, wherein a positioning block is arranged on the parting surface of the upper mold (1), and a positioning hole is arranged on the parting surface of the lower mold (2) and matched with the positioning block.