CN218310657U

CN218310657U - Forging punch demoulding device

Info

Publication number: CN218310657U
Application number: CN202222999999.8U
Authority: CN
Inventors: 胡立水; 曾辉; 吴建品; 路林虎; 李连清
Original assignee: Zhejiang Ouqian Heavy Industry Machinery Co ltd
Current assignee: Zhejiang Ouqian Heavy Industry Machinery Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-01-17
Anticipated expiration: 2032-11-09

Abstract

The utility model discloses a forge drift shedder, the forging blank is placed in the shaping lower mould, actuating mechanism drive stripper is close to the shaping lower mould, make the lower terminal surface butt of the concave part of unloading compress tightly on the forging and keep, then the shaping drift descends in order to carry out extrusion forging shaping to the forging in the shaping lower mould, after the extrusion, because the forging is compressed tightly by the stripper, therefore the instantaneous forging that the shaping drift went upward to reset can not be along with the motion of shaping drift and instantaneous and breaking away from with the shaping drift, after the shaping drift resets, actuating mechanism drives the stripper promptly and keeps away from the shaping lower mould, the forging can be followed and taken out in the shaping lower mould, stripper through setting up open-close type structure, in the improvement drawing of patterns speed, make things convenient for forging blank feeding and ejection of compact, easy operability is good.

Description

Forging punch demoulding device

Technical Field

The utility model relates to a forging die's technical field specifically is a forge drift shedder.

Background

Forging is a processing method which utilizes forging machinery to apply pressure on a metal blank to cause the metal blank to generate plastic deformation so as to obtain a forged piece with certain mechanical property, certain shape and certain size. 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.

In the existing forging forming process and die, the forging is released from the die by adopting an ejector rod mode, but when a hydraulic press is adopted to form some large-sized hollow shaft type forgings, because the upper forming die is of a punch structure without a cavity, the length-diameter ratio of the punch is usually larger, the strength of the punch is reduced on one hand, and the ejector rod is arranged in the punch, on the other hand, the ejection mechanism of the upper die is complicated, the design and manufacturing cost is high, the ejector rod can be ejected out to perform the demoulding action after the upper forming die moves for a certain distance during demoulding, the speed is slow, the temperature of the punch is increased more, the punch is not beneficial to cooling, and the service life of the punch is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a forge drift shedder to solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a forge drift shedder, includes organism, slider, last mould subassembly, lower mould subassembly and the subassembly of unloading, be formed with the workstation on the organism, it includes upper die base and shaping drift to go up the mould subassembly, the upper die base install in slider lower extreme on the organism, the shaping drift connect in the upper die base lower extreme, the lower mould subassembly includes die holder and shaping lower mould, the die holder is located on the workstation, the shaping lower mould is established on the die holder, the subassembly of unloading includes stripper and actuating mechanism, the stripper rotate connect in the lateral part of lower mould subassembly, the stripper is equipped with the concave part of unloading, the concave part of unloading with the lower mould is relative and the butt is in on the forging of lower mould, actuating mechanism connect in the stripper is used for the drive the stripper is close to or keeps away from the lower mould.

Further, the discharging concave part comprises a horizontal section, an inclined section, an arc section and a vertical section which are arranged in sequence.

Furthermore, a lug is arranged at the upper part of the rear end of the discharging plate, the driving mechanism is provided with a mounting end and an output end, the mounting end is hinged with the workbench, and the output end is rotatably connected with the lug.

Furthermore, a hinge seat is arranged on the workbench, the mounting end is connected with the hinge seat through a pin shaft, and the output end is connected with the lug through a rotating shaft.

The lower forming die comprises a forming part and a flange part, the lower end of the flange part is in contact with the lower die base, the lower end of the forming part is sleeved with the pressing die ring and is in contact with the upper end of the flange part, and the connecting piece is connected to the pressing die ring and the lower die base.

Furthermore, a supporting plate is arranged on the peripheral wall of the die pressing ring, a mounting groove is formed in the supporting plate, and the lower end of the discharging plate is connected into the mounting groove through a rotating part.

Furthermore, the number of the discharging assemblies is two, and the two discharging assemblies are arranged oppositely along the radial direction of the die pressing ring.

The utility model provides a forge drift shedder, the forging blank is placed in the shaping lower mould, actuating mechanism drive stripper is close to the shaping lower mould, make the terminal surface butt compress tightly on the forging and keep under the horizontal segment of the concave part of unloading, then the shaping drift descends in order to extrude the forging shaping to the forging blank in the shaping lower mould, after the extrusion, because the forging is compressed tightly by the stripper, therefore the instantaneous forging that resets is gone upward to the shaping drift can not be along with the motion of shaping drift instantaneous and breaking away from with the shaping drift, after the shaping drift resets, actuating mechanism drives the stripper promptly and keeps away from the shaping lower mould, the forging can be followed and taken out in the shaping lower mould, stripper through setting up open-close type structure, in the improvement drawing of patterns speed, make things convenient for forging blank feeding and ejection of compact, easy operability is good.

Drawings

FIG. 1 is a schematic perspective view of a forging punch demolding device according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view (partially cut away from a side body) of another view of the forging punch demolding device in the embodiment of the invention;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

FIG. 4 is an enlarged schematic view at B in FIG. 3;

fig. 5 is a schematic structural view of a lower molding die in an embodiment of the present invention.

In the figure: 1. a body; 2. an upper die assembly; 3. a lower die assembly; 4. a discharge assembly; 5. pressing a die ring; 6. a connecting member; 101. a work table; 102. a hinge mount; 103. a pin shaft; 201. an upper die holder; 202. forming a punch; 203. a slider; 301. a lower die holder; 302. forming a lower die; 3021. a molding section; 3022. a flange portion; 401. a stripper plate; 402. a drive mechanism; 403. a discharge recess; 404. a lug; 405. a rotating shaft; 4031. a horizontal segment; 4032. an inclined section; 4033. a circular arc section; 4034. a vertical section; 501. a support plate; 502. mounting grooves; 503. and a rotating member.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, an embodiment of the present invention provides a forging punch demoulding device, including a machine body 1, a slider 203, an upper die assembly 2, a lower die assembly 3 and a discharging assembly 4, a worktable 101 is formed on the machine body 1, the upper die assembly 2 includes an upper die base 201 and a forming punch 202, the upper die base 201 is mounted at the lower end of the slider 203 on the machine body 1, the forming punch 202 is connected at the lower end of the upper die base 201, the machine body 1, the slider 203 and the upper die assembly 2 in this embodiment can adopt the prior art, that is, a cavity for accommodating the slider 203 to move up and down is formed on the machine body 1, the upper die base 201 of the upper die assembly 2 is mounted at the lower end of the slider 203, the forming punch 202 is connected at the lower end of the upper die base 201, during extrusion forging, the upper die base 201 and the forming punch 202 are driven by the slider 203 driven by a power source to move up and down to be close to or far away from the forming lower die 302, the power source is a hydraulic cylinder of a hydraulic machine, the lower die assembly 3 comprises a lower die holder 301 and a forming lower die 302, the lower die holder 301 is arranged on the workbench 101, the forming lower die 302 is arranged on the lower die holder 301, the discharging assembly 4 comprises a discharging plate 401 and a driving mechanism 402, the discharging plate 401 is rotatably connected to the side portion of the lower die assembly 3, the discharging plate 401 is provided with a discharging concave portion 403, the discharging concave portion 403 is opposite to the lower die and used for abutting against a forge piece of the lower die, as shown in fig. 2-3, the discharging concave portion 403 is an inner recess arranged in the discharging plate 401, interference between the discharging plate 401 and the lower die assembly 3 when the forge piece is pressed can be avoided by arranging the discharging concave portion 403, and the driving mechanism 402 is connected to the discharging plate 401 and used for driving the discharging plate 401 to be close to or far away from the lower die.

Specifically, a forging blank is placed in the forming lower die 302, the driving mechanism 402 drives the discharging plate 401 to be close to the forming lower die 302, so that the lower end face of the discharging concave part 403 is abutted and pressed on an entity of the outer edge of the forging and is kept, then the forming punch 202 descends to extrude, forge and form the forging blank in the forming lower die 302, after extrusion forming, the forging is pressed by the discharging plate 401, therefore, the instantaneous forging of the upward resetting of the forming punch 202 cannot be instantaneously separated from the forming punch 202 along with the movement of the forming punch 202, after the resetting of the forming punch 202, the driving mechanism 402 drives the discharging plate 401 to be far away from the forming lower die 302, the forging can be taken out from the forming lower die 302, and through the discharging plate 401 with the opening-closing structure, the feeding and discharging of the forging blank are facilitated while the demolding speed is improved, and the operability is good.

Further, the discharging recess 403 includes a horizontal section 4031, an inclined section 4032, an arc section 4033 and a vertical section 4034 which are sequentially arranged, when the forming punch 202 is pulled out of the forging in the lower forming die 302, a certain upward pulling force is generated on the forging (at this time, the forging is tightly wrapped on the punch), and this force is counteracted by the force exerted on the discharging plate 401 by the driving mechanism 402, and since the horizontal section 4031 and the vertical section 4034 are transitionally connected through the inclined section 4032 and the arc section 4033, the strength and rigidity of the whole discharging plate 401 can be improved, and the stability when the forging is pressed is ensured.

The upper portion of the rear end of the stripper plate 401 in this embodiment is provided with a lug 404, the driving mechanism 402 has a mounting end and an output end, the mounting end is hinged to the workbench 101 to ensure the flexibility of the driving mechanism 402, the output end is rotatably connected to the lug 404, the lug 404 is pulled by the output end of the driving mechanism 402 to drive the stripper plate 401 to rotate, when the stripper plate 401 rotates to the forming lower die 302, a downward pressing force can be applied to the forging in the forming lower die 302, so as to counteract an upward pulling force applied to the forging during the upward movement of the forming punch 202, so that the extruded forging is separated from the forming punch 202 at the moment when the forming punch 202 moves upward, the driving mechanism 402 in this embodiment is preferably a hydraulic cylinder, the piston rod end of the hydraulic cylinder is connected to the lug 404 of the stripper plate 401 at the output end, when the piston rod of the hydraulic cylinder extends, the stripper plate 401 is driven to be pressed against the forging, and when the piston rod of the hydraulic cylinder retracts, the pressing force on the forging is released, so that the forging can be taken out from the forming lower die 302.

In this embodiment, the hinge base 102 is disposed on the workbench 101, the mounting end is connected to the hinge base 102 through the pin 103, so as to ensure flexibility of the hydraulic cylinder, and the output end is connected to the lug 404 through the rotating shaft 405, so that the stripper plate 401 can rotate to compress or loosen the forging.

The forging punch demoulding device in the embodiment further comprises a die ring 5 and a connecting piece 6, the lower forming die 302 comprises a forming part 3021 and a flange part 3022, the forming part 3021 is generally cylindrical, a forming cavity is formed inside the forming part 3021, the lower end of the flange part 3022 contacts with the lower die holder 301, the die ring 5 is sleeved on the lower end of the forming part 3021 and contacts with the upper end of the flange part 3022, and the connecting piece 6 is connected to the die ring 5, the flange part 3022 and the lower die holder 301, that is, the die ring 5, the flange part 3022 and the lower die holder 301 are connected through the connecting piece 6, so that the lower forming die 302 is fixed on the lower die holder 301, and the stability of the lower forming die 302 is improved.

Further, a support plate 501 is disposed on the peripheral wall of the pressing ring 5, a mounting groove 502 is disposed on the support plate 501, the lower end of the discharge plate 401 is connected in the mounting groove 502 through a rotation member 503, the rotation member 503 is typically a rotation shaft or a pin, etc., the support plate 501 is used to provide a rotational support for the discharge plate 401 in this embodiment, the discharge plate 401 is rotatably connected to the pressing ring 5, and the discharge plate 401 rotates around the rotation member 503 when the piston rod end of the hydraulic cylinder pushes and pulls the lug 404 of the discharge plate 401.

Referring to fig. 2, the number of the discharge assemblies 4 in the embodiment is two, and the two discharge assemblies 4 are arranged oppositely along the radial direction of the die ring 5, so that the forging is compressed at two opposite positions of the forging, the uniformity of the compression force is ensured, and the compression stability of the forging by the discharge plate 401 is improved.

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.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a forge drift shedder, includes organism, slider, goes up mould assembly, lower mould assembly and the subassembly of unloading, its characterized in that: the improved forming die comprises a machine body, and is characterized in that a workbench is formed on the machine body, the upper die assembly comprises an upper die base and a forming punch, the upper die base is installed at the lower end of a sliding block on the machine body, the forming punch is connected to the lower end of the upper die base, the lower die assembly comprises a lower die base and a forming lower die, the lower die base is arranged on the workbench, the forming lower die is arranged on the lower die base, the discharging assembly comprises a discharging plate and a driving mechanism, the discharging plate is rotatably connected to the side portion of the lower die assembly, the discharging plate is provided with a discharging concave portion, the discharging concave portion is opposite to the lower die and used for abutting against a forge piece of the lower die, and the driving mechanism is connected to the discharging plate and used for driving the discharging plate to be close to or far away from the lower die.

2. The forging punch stripping apparatus of claim 1, wherein: the discharging concave part comprises a horizontal section, an inclined section, an arc section and a vertical section which are arranged in sequence.

3. The forging punch stripping apparatus of claim 2, wherein: the upper portion of the rear end of the discharging plate is provided with a lug, the driving mechanism is provided with a mounting end and an output end, the mounting end is hinged to the workbench, and the output end is rotatably connected with the lug.

4. The forging punch stripping apparatus of claim 3, wherein: the workbench is provided with a hinge seat, the mounting end is connected with the hinge seat through a pin shaft, and the output end is connected with the lug through a rotating shaft.

5. The forging punch demolding device according to claim 4, wherein: the lower forming die comprises a forming portion and a flange portion, the lower end of the flange portion is in contact with the lower die base, the lower end of the forming portion is sleeved with the die sleeve and is in contact with the upper end of the flange portion, and the connecting piece is connected to the die ring and the lower die base.

6. The forging punch stripping apparatus of claim 5, wherein: the die pressing ring is characterized in that a supporting plate is arranged on the peripheral wall of the die pressing ring, a mounting groove is formed in the supporting plate, and the lower end of the discharging plate is connected into the mounting groove through a rotating part.

7. The forging punch demolding device according to claim 6, wherein: the discharge assemblies are arranged in two, and the two discharge assemblies are arranged along the radial direction of the die pressing ring oppositely.