CN205183646U

CN205183646U - Frock with solid bar shaping wheel hub central siphon

Info

Publication number: CN205183646U
Application number: CN201520991202.7U
Authority: CN
Inventors: 马艾霞; 汪坤; 张涛; 陈新生; 杨朝霞
Original assignee: XIANGYANG FENGZHENG AUTOMOBILE COMPONENTS MANUFACTURE CO Ltd
Current assignee: XIANGYANG FENGZHENG AUTOMOBILE COMPONENTS MANUFACTURE CO Ltd
Priority date: 2015-12-03
Filing date: 2015-12-03
Publication date: 2016-04-27
Anticipated expiration: 2025-12-03

Abstract

The utility model provides a frock with solid bar shaping wheel hub central siphon for the wheel hub central siphon forges the shaping. Turning over including jumping -up frock, a secondary and crowding frock, cubic shaping frock, three kinds of frocks contain moulded die, shaping drift and ejector pin head. Adopt solid bar behind the intermediate frequency heating, through jumping -up pressure head jumping -up in the one shot forming mould, the ejector pin is first ejecting with a jumping -up blank, and in the leading -in post forming mould, the direct reverse side from the oral area crowdedly makes the blank form along the compact metal streamline tissue of axial to the bottom, and after the crowded shaping of turning over, it is ejecting that crowded shaping blank is turned over with the secondary to ejector pin head no. 2, leading -in arrive the cubic moulded die in, cubic shaping drift is to wheel hub central siphon flange opening and the shaping of inside and outside circular arc section. The utility model discloses can avoid tearing and the defect such as fold, replaced the shaping of adoption seamless steel pipe to the requirement of raw and other materials uniqueness, but had the interoperability, but the multiple wheel hub central siphon of same specification raw and other materials shaping reduce former material cost, forge afterwards that the blank directly preheats the quenching, reduce the energy consumption.

Description

A kind of frock with solid bar briquetting roller hub central siphon

Technical field

The utility model relates to machinery manufacturing technology field, specifically a kind of hub axle tube forming frock on automobile drive axle housing.

Background technology

At present, most of hub axle tube forging molding, has the following disadvantages:

1, forging process adopts anti-extruding process usually, rushes position loose contact counter pushing through in journey because secondary connects, and easily causes endoporus to fold or pulls out thin, causing fracture;

2, adopt seamless steel pipe shaping, by the limitation of raw material external diameter and internal diameter, need according to different hub axle tube the raw material adopting different size, not there is interoperability;

3, the tolerance because of the external diameter of seamless steel pipe itself and endoporus is comparatively large, causes and to need, to can hot extrusion after endoporus and Excircle machining, to add machining processes before forging;

4, adopt seamless steel pipe to carry out local heat, cannot preheating quenching be carried out;

5, the seamless steel pipe cost of raw material is much higher than round steel price.

Because of the security part that hub axle tube is automobile drive axle, if there is forging defect, easily cause the potential safety hazard in driving conditions.

Summary of the invention

For overcoming the deficiencies in the prior art, goal of the invention of the present utility model is to provide a kind of frock with solid bar briquetting roller hub central siphon, to improve hub axle tube Forming Quality and to reduce costs.

For achieving the above object, the utility model comprises jumping-up frock, a secondary counter and squeezes frock, three forming frocks.

Described solid bar is the solid bar after adopting intermediate-frequency heating furnace heating.

A described jumping-up frock comprises one-shot forming mould, jumping-up pressure head, push rod are first; The top that solid bar is placed in one-shot forming mould, push rod is first, the cylindrical of a jumping-up pressure head coordinates with the inner circle of one-shot forming mould, a jumping-up pressure head on solid bar top carries out jumping-up to solid bar, the first intracavity bottom being placed in one-shot forming mould of push rod, push rod is first ejects a jumping-up blank.

Described secondary counter squeezes that frock comprises secondary forming die, secondary counter squeezes drift, push rod head two; A jumping-up blank is placed in secondary forming die, the top of push rod head two, the lower diameter that secondary counter squeezes drift is equal with the diameter of bore of secondary counter extrusion forming blank, secondary counter squeezes drift and a jumping-up blank is directly flushed to bottom from large end end face, push rod head two is placed in the intracavity bottom of secondary forming die, and push rod head two ejects secondary counter extrusion forming blank.

Described three forming frocks comprise No. three shaping moulds, three forming punching heads, push rod head three, secondary counter extrusion forming blank is placed in No. three shaping moulds, the top of push rod head three, the lower diameter of three forming punching heads is equal with the diameter of bore of three shaping blanks, in the middle part of three forming punching heads, arc section is consistent with the middle part arc section of three shaping blank inner chambers, the middle part arc section of No. three shaping mould inner chambers is consistent with the middle part arc section of three shaping blank outsides, three forming punching head top outside diameters and No. three shaping mould inner circle equal diameters, push rod head three is placed in the intracavity bottom of No. three shaping moulds, it is thick that three forming punching heads and the flange oral area of No. three shaping moulds to secondary counter extrusion forming blank carry out forging pier, and the inner chamber of secondary counter extrusion forming blank and outer shape are repaired, three shaping blanks eject by push rod head three.

The utility model adopts solid bar, after heating in medium frequency, by jumping-up pressure head jumping-up in one-shot forming mould, push rod is first a jumping-up blank is ejected after, in importing secondary forming die, directly be extruded into bottom from oral area is counter, blank is made to form metal streamline tissue fine and close vertically, after anti-extrusion forming, secondary counter extrusion forming blank ejects by push rod head two, import in No. three shaping moulds, three forming punching heads only to the flange port of hub axle tube and in, cylindrical segmental arc is shaping, eliminate to connect and rush position, avoid to connect and rush the bad forging defect caused, push rod head 3 is adopted to be ejected by three shaping blanks after forging molding.

The utility model, compared with existing product, has the following advantages:

1, be flushed to bottom by disposable for hub axle tube endoporus, three times shaping time no longer exist to connect and rush position, avoid and rush the bad forging defects such as tearing and fold caused because connecing.

2, adopt solid bar to forge, instead of and adopt the seamless steel pipe shaping requirement to raw material uniqueness, purchasing that solid bar has can interoperability, and same specification raw material go for shaping multiple hub axle tube demand, greatly reduce the cost of raw material.

3, after forging, blank directly carries out preheating quenching, reduces energy consumption.

Accompanying drawing explanation

Fig. 1 is solid bar structure diagram of the present utility model.

Fig. 2 is the structure diagram of a jumping-up frock of the present utility model.

Fig. 3 is the structure diagram that secondary counter of the present utility model squeezes frock.

Fig. 4 is the structure diagram of three forming frocks of the present utility model.

Detailed description of the invention

As shown in Figure 1, Figure 2, Figure 3, Figure 4, the utility model comprises jumping-up frock, a secondary counter and squeezes frock, three forming frocks.Solid bar 1 is the solid bar after adopting intermediate-frequency heating furnace heating.

A described jumping-up frock comprises one-shot forming mould 3, jumping-up pressure head 2, push rod first 5; Solid bar 1 is placed in one-shot forming mould 3, the top of push rod first 5, the cylindrical of a jumping-up pressure head 2 coordinates with the inner circle of one-shot forming mould 3, a jumping-up pressure head 2 on solid bar 1 top carries out jumping-up to solid bar 1, push rod first 5 is placed in the intracavity bottom of one-shot forming mould 3, and push rod first 5 ejects a jumping-up blank 4.Make a jumping-up blank 4 meet product blank dimension, jumping-up carried out to the flange port of a jumping-up blank 4 simultaneously, avoid three times shaping time, because of the distortion forging defect such as cause that more greatly flange port is torn and folded.

Described secondary counter squeezes that frock comprises secondary forming die 7, secondary counter squeezes drift 6, push rod head 29; Jumping-up blank 4 is placed in secondary forming die 7, the top of push rod head 29, the lower diameter that secondary counter squeezes drift 6 is equal with the diameter of bore of secondary counter extrusion forming blank 8, secondary counter squeezes drift 6 and directly extrudes downwards from end face, a jumping-up blank 4 is directly flushed to bottom from large end end face, according to the principle of backward extrusion, a jumping-up blank 4 is moved up, form metal streamline tissue fine and close vertically, push rod head 29 is placed in the intracavity bottom of secondary forming die 7, after secondary counter extrusion forming blank 8 is shaping, push rod head 29 ejects secondary counter extrusion forming blank 8.

Described three forming frocks comprise No. three shaping moulds 11, three forming punching heads 10, push rod head 3 13, secondary counter extrusion forming blank 8 is placed in No. three shaping moulds 11, the top of push rod head 3 13, the lower diameter of three forming punching heads 10 is equal with the diameter of bore of three shaping blanks 12, in the middle part of three forming punching heads 10, arc section is consistent with the middle part arc section of three shaping blank 12 inner chambers, the middle part arc section of No. three shaping mould 11 inner chambers is consistent with the middle part arc section of three shaping blank 12 outsides, three forming punching head 10 top outside diameters and No. three shaping mould 11 inner circle equal diameters, for cylindrical structural, the upper end of location, its underpart secondary counter extrusion forming blank 8, its distortion is prevented to close up, push rod head 3 13 is placed in the intracavity bottom of No. three shaping moulds 11, it is thick that the flange oral area of three forming punching heads 10 and No. three shaping moulds 11 pairs of secondary counter extrusion forming blanks 8 carries out forging pier, and the inner chamber of secondary counter extrusion forming blank 8 and outer shape are repaired, three shaping blanks 12 eject by push rod head 3 13.The flange oral area having stopped three shaping blanks 12 folds, and plays reaming effect, no longer there is secondary and connects punching, avoids secondary and connects the forging defect rushing and cause.Three times shaping blank 12 directly can carry out preheating quenching.

Claims

1. by a frock for solid bar briquetting roller hub central siphon, it is characterized in that: this forming frock comprises jumping-up frock, a secondary counter and squeezes frock, three forming frocks;

Described solid bar (1) is the solid bar after adopting intermediate-frequency heating furnace heating;

A described jumping-up frock comprises one-shot forming mould (3), jumping-up pressure head (2), push rod first (5); Solid bar (1) is placed in one-shot forming mould (3), the top of push rod first (5), the cylindrical of a jumping-up pressure head (2) coordinates with the inner circle of one-shot forming mould (3), a jumping-up pressure head (2) on solid bar (1) top carries out jumping-up to solid bar (1), push rod first (5) is placed in the intracavity bottom of one-shot forming mould (3), and push rod first (5) ejects a jumping-up blank (4);

Described secondary counter squeezes that frock comprises secondary forming die (7), secondary counter squeezes drift (6), push rod head two (9); A jumping-up blank (4) is placed in secondary forming die (7), the top of push rod head two (9), the lower diameter that secondary counter squeezes drift (6) is equal with the diameter of bore of secondary counter extrusion forming blank (8), secondary counter squeezes drift (6) and a jumping-up blank (4) is directly flushed to bottom from large end end face, push rod head two (9) is placed in the intracavity bottom of secondary forming die (7), and push rod head two (9) ejects secondary counter extrusion forming blank (8);

Described three forming frocks comprise No. three shaping moulds (11), three forming punching heads (10), push rod head three (13), secondary counter extrusion forming blank (8) is placed in No. three shaping moulds (11), the top of push rod head three (13), the lower diameter of three forming punching heads (10) is equal with the diameter of bore of three shaping blanks (12), three times forming punching head (10) middle part arc section is consistent with the middle part arc section of three shaping blank (12) inner chambers, the middle part arc section of No. three shaping mould (11) inner chambers is consistent with the middle part arc section of three shaping blank (12) outsides, three forming punching head (10) top outside diameters and No. three shaping mould (11) inner circle equal diameters, push rod head three (13) is placed in the intracavity bottom of No. three shaping moulds (11), it is thick that three forming punching heads (10) and the flange oral area of No. three shaping moulds (11) to secondary counter extrusion forming blank (8) carry out forging pier, and the inner chamber of secondary counter extrusion forming blank (8) and outer shape are repaired, three shaping blanks (12) eject by push rod head three (13).