CN215965975U - Combined die for producing hub forging - Google Patents

Abstract

The utility model discloses a combined die for producing a hub forging and relates to the technical field of dies. This a assembling die for producing wheel hub forging, setting through ejecting subassembly, drive the spacing post rebound of a plurality of simultaneously through the annular plate, make its inside a plurality of thimble pass through the spring body of tip simultaneously to spacing post inside flexible, until bottom and stopper contact, the other end is through supporting arc board rebound when stopping the shrink, make its effect that can pass through the roof drive inside wheel hub rebound, move to the top of lower mould core until wheel hub, it is more convenient when can make wheel hub cooling accomplish the back ejecting, simultaneously through the setting of the spacing post of a plurality of and the thimble that corresponds, can be when promoting the roof, keep the balance of annular plate, avoid appearing the phenomenon of atress slope when ejecting, the effect of the wheel hub drawing of patterns has been guaranteed.

Description

Combined die for producing hub forging

Technical Field

The utility model relates to the technical field of dies, in particular to a combined die for producing a hub forging.

Background

The mold is used for obtaining various molds and tools of required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production; in short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts; the processing of the appearance of an article is realized mainly through the change of the physical state of a formed material.

When the hub mold is used for production, after the cooling of the hub inside the hub mold is completed, the surface of the hub mold is too high in fit degree with the mold core, so that demolding equipment needs to be added for demolding treatment when the hub inside is subjected to demolding treatment, and the hub mold is complex, and the phenomena of scratches, gravure and the like are easily caused on the surface of the hub when the hub which is just molded is subjected to demolding treatment, so that the production quality of the hub is affected.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the combined die for producing the wheel hub forge piece, and solves the problems that the demoulding is complicated and scratches are easily caused on the outer surface of the wheel hub.

In order to achieve the purpose, the utility model is realized by the following technical scheme: a combined die for producing a hub forging comprises a lower die holder and an upper die holder, wherein a lower die core and an upper die core are respectively and fixedly arranged in the lower die holder and the upper die holder, the top surface of the upper die holder is provided with a limit groove, the top surface of the upper die core is fixedly connected with a hydraulic component through the limit groove, a top plate is slidably arranged in the lower mold core, an ejection component is fixedly arranged at the bottom of the lower mold core, the ejection assembly comprises an annular plate, the annular plate is fixedly mounted in the lower die holder, a plurality of limiting columns and a plurality of ejection pins are symmetrically mounted on the top surface of the annular plate, the ejection pins are slidably mounted in the limiting columns, the limiting columns are fixedly mounted in the middle of the inner sides of the limiting columns, spring bodies and a plurality of springs are fixedly mounted in the middle of the inner sides of the limiting columns, and the other ends of the spring bodies are fixedly connected to the bottoms of the corresponding ejection pins.

Preferably, the end portions of the ejector pins are all slidably mounted inside the lower mold core, the end portions of the ejector pins are all fixedly mounted with supporting arc plates, and the end portions of the ejector pins are respectively fixedly mounted at the bottom of the top plate through the corresponding supporting arc plates.

Preferably, a hydraulic oil cylinder is fixedly installed at the center of the inner part of the lower die holder and is fixedly connected with the bottom of the annular plate.

Preferably, the same arc-shaped surface is arranged inside and outside the top plate, and the top plate and the lower die core are attached to each other respectively.

Preferably, the middle part of roof is run through and is seted up with the corresponding circular port in lower die core middle part, the circular port laminates with lower die core middle part each other.

Preferably, a plurality of the same spout has all been seted up to the inner wall both sides of spacing post, a plurality of the equal fixed mounting in circumference outside of thimble has the slider that corresponds, and passes through the inside of the spacing post of slider and spout cooperation slidable mounting that corresponds respectively.

Advantageous effects

The utility model provides a combined die for producing a hub forging. Compared with the prior art, the method has the following beneficial effects:

(1) this a assembling die for producing wheel hub forging, setting through ejecting subassembly, drive the spacing post rebound of a plurality of simultaneously through the annular plate, make its inside a plurality of thimble pass through the spring body of tip simultaneously to spacing post inside flexible, until bottom and stopper contact, the other end is through supporting arc board rebound when stopping the shrink, make its effect that can pass through the roof drive inside wheel hub rebound, move to the top of lower mould core until wheel hub, it is more convenient to can accomplish the back ejecting when wheel hub cooling, simultaneously through the setting of a plurality of spacing post and the thimble that corresponds, can be in the time of promoting the roof, keep the balance of annular plate, avoid appearing the phenomenon of atress slope when ejecting, the effect of wheel hub drawing of patterns has been guaranteed.

(2) This a assembling die for producing wheel hub forging, through the setting of lower mould core inside roof, when the roof through ejecting subassembly in its inside gliding from top to bottom, can be convenient for carry out ejecting to wheel hub, through the increase of contact surface, can carry out effectual protection to wheel hub's surface, cause mar, gravure etc. to wheel hub's surface when avoiding ejecting.

Drawings

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

FIG. 2 is a schematic cross-sectional view of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of the ejection assembly of the present invention;

FIG. 4 is a schematic cross-sectional view of a thimble according to the present invention.

In the figure: 1. a lower die holder; 101. a lower mold core; 2. an upper die holder; 201. a limiting groove; 202. an upper mold core; 3. a top plate; 301. an arc-shaped surface; 4. ejecting the assembly; 5. a hydraulic cylinder; 6. an annular plate; 7. a limiting column; 701. a chute; 702. a spring body; 703. a limiting block; 8. a thimble; 801. supporting the arc plate; 802. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

Referring to fig. 1-4, the present invention provides a technical solution: a combined die for producing a hub forging comprises a lower die holder 1 and an upper die holder 2, a lower die core 101 and an upper die core 202 are respectively and fixedly installed inside the lower die holder 1 and the upper die holder 2, a limiting groove 201 is formed in the top surface of the upper die holder 2, a hydraulic component is fixedly connected to the top surface of the upper die core 202 through the limiting groove 201, a top plate 3 is installed inside the lower die core 101 in a sliding mode, an ejection component 4 is fixedly installed at the bottom of the lower die core 101, the ejection component 4 comprises an annular plate 6, the annular plate 6 is fixedly installed inside the lower die holder 1, a plurality of limiting columns 7 are symmetrically installed on the top surface of the annular plate 6, ejector pins 8 are respectively installed inside the limiting columns 7 in a sliding mode, limiting blocks 703 are respectively and fixedly installed in the middle parts of the inner sides of the limiting columns 7, spring bodies 702 are respectively and fixedly installed inside the limiting columns, the other ends of the spring bodies 702 are respectively and fixedly connected to the bottoms of the corresponding ejector pins 8, the end parts of a plurality of thimbles 8 are all slidably mounted inside the lower die core 101, the end parts of a plurality of thimbles 8 are all fixedly provided with supporting arc plates 801, the end parts of a plurality of thimbles 8 are respectively and fixedly mounted at the bottom of the top plate 3 through the corresponding supporting arc plates 801, the central position inside the lower die base 1 is fixedly provided with a hydraulic oil cylinder 5, the hydraulic oil cylinder 5 is fixedly connected with the bottom of the annular plate 6, the inside and the outside of the top plate 3 are both provided with the same arc-shaped surface 301 and are respectively and mutually jointed with the inside of the lower die core 101, the middle part of the top plate 3 is provided with a circular hole corresponding to the middle part of the lower die core 101 in a penetrating way, the circular hole is mutually jointed with the middle part of the lower die core 101, the two sides of the inner walls of a plurality of limiting columns 7 are both provided with the same sliding grooves 701, the outer sides of the circumferences of the plurality of thimbles 8 are fixedly provided with corresponding sliding blocks 802, and are respectively arranged in the corresponding limiting columns 7 in a sliding manner through the matching of the sliding blocks 802 and the sliding grooves 701.

When the cooling device is used, after the wheel hub between the lower mold core 101 and the upper mold core 202 is cooled, the hydraulic assembly drives the upper mold base 2 and the upper mold core 202 in the upper mold base to move upwards, the hydraulic oil cylinder 5 is started to operate, the hydraulic oil cylinder 5 can drive the ejection assembly 4 to operate, the annular plate 6 drives the limit posts 7 to move upwards, the ejector pins 8 in the annular plate simultaneously extend and retract towards the interior of the limit posts 7 through the spring bodies 702 at the end parts until the bottom parts of the ejector pins contact with the limit blocks 703, the other end of the ejector pins upwards moves through the supporting arc plate 801 while the retraction is stopped, the wheel hub in the annular plate can be driven to move upwards through the action of the top plate 3 until the wheel hub moves to the top part of the lower mold core 101, the ejected wheel hub is taken down through manual operation or mechanical arms and other equipment, then the hydraulic oil cylinder 5 is controlled to retract, so that the end parts of the hydraulic oil cylinder drive the limit posts 7 and the corresponding ejector pins 8 to retract inwards to return to the original positions, through the setting of roof 3, can be convenient for carry on ejecting to wheel hub, through the increase of contact surface, can carry out effectual protection to wheel hub's surface, cause mar, gravure etc. to wheel hub's surface when avoiding ejecting, through the setting of the spacing post of a plurality of 7 and the thimble 8 that corresponds, can keep the balance of promotion when promoting roof 3 simultaneously, avoid appearing the phenomenon of angle slope when ejecting.

And those not described in detail in this specification are well within the skill of those in the art.

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.

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

Claims (6)

1. The utility model provides a assembling die for producing wheel hub forging, includes die holder (1) and upper die base (2), die holder (1) and upper die base (2) inside respectively fixed mounting have lower mold core (101) and last mold core (202), spacing groove (201) have been seted up to the top surface of upper die base (2), the top surface of going up mold core (202) passes through spacing groove (201) fixedly connected with hydraulic assembly, its characterized in that: a top plate (3) is slidably mounted inside the lower mold core (101), and an ejection assembly (4) is fixedly mounted at the bottom of the lower mold core (101);

ejecting subassembly (4) include annular slab (6), annular slab (6) fixed mounting is in the inside of die holder (1), the top surface symmetry of annular slab (6) is installed spacing post of a plurality of (7), a plurality of the equal slidable mounting in inside of spacing post (7) has thimble (8), a plurality of the equal fixed mounting in inboard middle part of spacing post (7) has stopper (703), and the equal fixed mounting in inside has spring body (702), a plurality of the equal fixed connection of the other end of spring body (702) is to the bottom of thimble (8) that corresponds.

2. A combination die for producing a hub forging according to claim 1, wherein: the end parts of the thimbles (8) are all slidably mounted inside the lower mold core (101), the end parts of the thimbles (8) are all fixedly mounted with supporting arc plates (801), and the end parts of the thimbles (8) are respectively fixedly mounted at the bottom of the top plate (3) through the corresponding supporting arc plates (801).

3. A combination die for producing a hub forging according to claim 1, wherein: a hydraulic oil cylinder (5) is fixedly installed at the center of the inner part of the lower die holder (1), and the hydraulic oil cylinder (5) is fixedly connected with the bottom of the annular plate (6).

4. A combination die for producing a hub forging according to claim 1, wherein: the same arc-shaped surface (301) is arranged in the top plate (3) and outside the top plate, and the top plate and the outside of the top plate are respectively attached to the inside of the lower die core (101) mutually.

5. A segmented mold for producing hub forgings according to claim 4, wherein: the middle part of roof (3) is run through and is seted up the circular port corresponding with lower mold core (101) middle part, the circular port laminates with lower mold core (101) middle part each other.

6. A combination die for producing a hub forging according to claim 1, wherein: the same sliding grooves (701) are formed in two sides of the inner wall of each limiting column (7), and each thimble (8) is fixedly provided with a corresponding sliding block (802) on the outer side of the circumference and is slidably mounted inside the corresponding limiting column (7) through the matching of the sliding blocks (802) and the sliding grooves (701).

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