CN208495711U

CN208495711U - A kind of bearing cap casting mould

Info

Publication number: CN208495711U
Application number: CN201821086017.3U
Authority: CN
Inventors: 杨浩
Original assignee: Tianjin Yuanyuan Pml Precision Mechanism Ltd
Current assignee: Tianjin Yuanyuan Pml Precision Mechanism Ltd
Priority date: 2018-07-10
Filing date: 2018-07-10
Publication date: 2019-02-15
Anticipated expiration: 2028-07-10

Abstract

The utility model discloses a kind of bearing cap casting moulds, including fixed platform, first lower die, type chamber, sprue gate, overflow pipe, upper mold, fastening bolt, venting plug, plug, ultrasonic oscillation device, second lower die, third lower die, regulating mechanism, radiator, cooling fin fixed frame, cooling fin, bolt hole and counterbore set, the fixed platform is cast iron quality, upper surface is equipped with fixed edge and fastening bolt, first lower die, second lower die, third lower die and upper mold are aluminum alloy material, first lower die, second lower die, third lower die and upper mold are fixed by fastening bolt defines three type chambers on the stationary platform, nesting by multiple positions and the constraint from fastening bolt are fixed on the stationary platform by mold, bolt hole there are six being set at the top of the upper mold, six venting plugs are uniform-distribution on the inside of bolt hole, it is described super Sound wave vibrator is located at the bottom of fixed platform, applies ultrasonic wave to the liquid metal in mold.

Description

A kind of bearing cap casting mould

Technical field

The utility model relates to a kind of casting mould, specifically a kind of bearing cap casting mould.

Background technique

Bearing cap is components more demanding on locomotive internal combustion engine, for absorbing impact the effect of load, it Precision and performance directly affect performance and the service life of host, are an important casting, nodular iron casting due to it is high-intensitive, The characteristics of high reliablity, function and service, is widely used in the casting of the main beating cap of big-block engine, and nodular iron casting holds The casting flaws such as shrinkage cavity and porosity are also easy to produce, continue to increase its casting technique difficulty, manufacturing cost sharply increases, current institute Although the mold for producing bearing cap class workpiece used can satisfy the needs of casting processing, but on the one hand can not be to mold The mobility of interior high temperature fluent metal is adjusted, also can not be to spheroidal graphite cast-iron on the other hand during metal is cooled and shaped Crystal phase institutional framework regulated and controled, therefore lead to the product quality and service performance fluctuation of current bearing (ball) cover class workpiece Greatly, for this phenomenon, there is an urgent need to develop a kind of novel mould structures to improve life to meet the needs of actual use Produce efficiency and economic benefit.

Utility model content

It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of bearing cap casting mould Problem.

To achieve the above object, the utility model provides the following technical solutions:

A kind of bearing cap casting mould, including fixed platform, the first lower die, type chamber, sprue gate, overflow pipe, upper mold, fastening Bolt, venting plug, plug, ultrasonic oscillation device, the second lower die, third lower die, regulating mechanism, radiator, cooling fin fixed frame, Cooling fin, bolt hole and counterbore set, which is characterized in that the fixed platform is cast iron quality, and upper surface is equipped with fixed edge and tightly Fixing bolt, fixed edge are the boss being embedded in along the first lower die side, and the fastening bolt is welded and fixed on platform, corresponding nested In counterbore set, first lower die, the second lower die, third lower die and upper mold are aluminum alloy material, under the first lower die, second Mould, third lower die and upper mold surround three type chambers by the way that fastening bolt is fixed on the stationary platform, the first lower die, the second lower die, Third lower die top edge is equipped with a circle boss, and bottom margin is equipped with the corresponding groove of a circle, lower surface center and counterbore position Equipped with groove, boss and surrounding press the top of the equally distributed six counterbores set of bearing (ball) cover at the corresponding nested upper surface center of groove End, the sprue gate are located at the two sides of the first lower die, the second lower die, third lower die, and sprue gate is circular hole delivery hole, described to overflow Flow tube is ceramic material, and is threadedly coupled sprue gate, is set at the top of the upper mold there are six bolt hole, bolt hole inside is uniformly distributed Six venting plugs, the bottom surface of upper mold be equipped with the groove of corresponding counterbore set and third lower die top center boss and edge, institute It states plug to be threadedly coupled with the side sprue gate of third lower die, the ultrasonic oscillation device is located at the bottom of fixed platform, and right Liquid metal in mold applies ultrasonic wave, and the regulating mechanism is fixedly mounted on fixed platform bottom, and the radiator is energy The radiator being enough mounted at the top of upper mold, bottom are metal plate, and plate is equipped with putting hole corresponding with fastening bolt, makes The upper surface that upper mold is close in radiator bottom surface is obtained, there are five cooling fin fixed frames for the upper surface welding of radiator, dissipate for fixing Backing and conduction heat, cooling fin are the splintery Al-alloy metal piece perpendicular to cooling fin fixed frame.

It is fixed under the 4th lower die and the 5th as a further solution of the present invention: the fastening bolt can lengthen Mould, so that mold is suitable for different production requirements.

The top of the radiator can install powerful fan additional as a further solution of the present invention, enhancing Heat dissipation effect

Compared with prior art, the utility model has the beneficial effects that ultrasonic oscillation device issues the metal in mold High-strength ultrasonic accelerates Liquid-metal flow, tissue and performance in metal solidification process is improved, at vibration of ultrasonic wave The effects of reason metal bath can be realized and refine crystal grain, excludes gas and reduce segregation utilizes nesting and the overflow pipe of mold It is arranged and enables casting number of packages and number as different production requirements changes, accelerates casting using radiator enhancing air cooling effect Part cooled and solidified improves production efficiency and economic benefit.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of bearing cap casting mould.

Fig. 2 is the structural schematic diagram of upper mold in bearing cap casting mould.

Fig. 3 is the structural schematic diagram of radiator in bearing cap casting mould.

In figure: fixed platform 1, the first lower die 2, type chamber 3, sprue gate 4, overflow pipe 5, upper mold 6, fastening bolt 7, venting plug 8, plug 9, ultrasonic oscillation device 10, the second lower die 11, third lower die 12, regulating mechanism 13, radiator 14, cooling fin fixed frame 15, cooling fin 16, bolt hole 17, counterbore set 18.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1~3, in the utility model embodiment, a kind of bearing cap casting mould, including fixed platform 1, first Lower die 2, type chamber 3, sprue gate 4, overflow pipe 5, upper mold 6, fastening bolt 7, venting plug 8, plug 9, ultrasonic oscillation device 10, second Lower die 11, third lower die 12, regulating mechanism 13, radiator 14, cooling fin fixed frame 15, cooling fin 16, bolt hole 17 and counterbore Set 18, the fixed platform 1 are cast iron quality, and upper surface is equipped with fixed edge and fastening bolt 7, and fixed edge is along the first lower die The boss of 2 sides insertion, the fastening bolt 7 are welded and fixed on platform 1, corresponding to be nested in counterbore set 18, under described first Mould 2, the second lower die 11, third lower die 12 and upper mold 6 are aluminum alloy material, the first lower die 2, the second lower die 11, third lower die 12 It is fixed in fixed platform 1 by fastening bolt 7 with upper mold 6 and defines three type chambers 3, the first lower die 2, the second lower die 11, the Three lower dies, 12 top edge is equipped with a circle boss, and bottom margin is equipped with the corresponding groove of a circle, lower surface center and counterbore position Equipped with groove, boss and surrounding press the top of the equally distributed six counterbores set 18 of bearing (ball) cover at corresponding nesting upper surface center Mold, is fixed in fixed platform 1, the sprue gate 4 by end by the nesting at multiple positions and the constraint from fastening bolt 7 It is circular hole delivery hole positioned at the two sides of the first lower die 2, the second lower die 11, third lower die 12, for injecting molten metal, and overflows Excess metal liquid out, the overflow pipe 5 is ceramic material, for the molten metal overflowed in type chamber 3 to be imported in adjacent mold, It is set at the top of the upper mold 6 there are six bolt hole, for fixing fastening bolt 7, is uniform-distribution with six venting plugs on the inside of bolt hole 8, for by the air of mould inside and other miscellaneous gas discharges, to Improving The Quality of Products, the bottom surface of upper mold 6 to be equipped with corresponding counterbore The groove of set 18 and third lower die top center boss and edge, 4 screw thread of side sprue gate of the plug 9 and third lower die 12 Connection, for blocking overflow hole, the ultrasonic oscillation device 10 is located at the bottom of fixed platform 1, to the liquid metal in mold Apply ultrasonic wave, to accelerate Liquid-metal flow, improves tissue and performance in metal solidification process, the regulating mechanism 13 It is fixedly mounted on fixed platform bottom, for connecting casting machine and die horizontal being kept to place, the radiator 14 is that can pacify Radiator mounted in 6 top of upper mold, bottom are metal plate, and plate is equipped with putting hole corresponding with fastening bolt 7, so that The upper surface of upper mold 6 is close in 14 bottom surface of radiator, and there are five cooling fin fixed frames 15 for the upper surface welding of radiator 14, for solid Determine cooling fin 16 and conduction heat, cooling fin 16 is the splintery Al-alloy metal piece perpendicular to cooling fin fixed frame 15.

Preferably, the fastening bolt 7, which can lengthen, fixes the 4th lower die and the 5th lower die, so that mold is suitable for difference Production requirement.

Preferably, the top of the radiator 14 can install powerful fan additional, enhance heat dissipation effect.

The working principle of the utility model is: in the 4 injection type chamber 3 of sprue gate that liquid metal passes through 2 side of the first lower die, After the filling of type chamber 3 of the first lower die 2 is full, liquid metal flows to the second lower die 11 by overflow pipe 5, flows to third after being full of again In lower die 12, the gas in type chamber 3 is discharged by venting plug 8, issues ultrasound-enhanced liquid gold by ultrasonic oscillation device 10 The mobility and exclusion gas of category, enable liquid metal Fast Filling to expire type chamber 3, improve production efficiency, improve product matter Amount adjusts number of molds by fastening bolt 7 and avoids wasting to adjust production scale.

Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all It is included within the scope of protection of this utility model.

Claims

1. a kind of bearing cap casting mould, including fixed platform, the first lower die, type chamber, sprue gate, overflow pipe, upper mold, fastening spiral shell Bolt, plug, ultrasonic oscillation device, the second lower die, third lower die, regulating mechanism, radiator, cooling fin fixed frame, dissipates venting plug Backing, bolt hole and counterbore set, which is characterized in that the fixed platform is cast iron quality, and upper surface is equipped with fixed edge and fastening Bolt, fixed edge are the boss being embedded in along the first lower die side, and the fastening bolt is welded and fixed on platform, and correspondence is nested in Counterbore set in, first lower die, the second lower die, third lower die and upper mold be aluminum alloy material, the first lower die, the second lower die, Third lower die and upper mold are fixed by fastening bolt surrounds three type chambers, the first lower die, the second lower die, third on the stationary platform Lower die top edge is equipped with a circle boss, and bottom margin is equipped with the corresponding groove of a circle, and lower surface center and counterbore position are equipped with Groove, groove correspond to the top that boss and surrounding at the center of nested upper surface press the equally distributed six counterbores set of bearing (ball) cover, The sprue gate is located at the two sides of the first lower die, the second lower die, third lower die, and sprue gate is circular hole delivery hole, the overflow Pipe is ceramic material, and is threadedly coupled sprue gate, is set at the top of the upper mold there are six bolt hole, bolt hole inside is uniform-distribution with Six venting plugs, the bottom surface of upper mold is equipped with the groove of corresponding counterbore set and third lower die top center boss and edge, described Plug is threadedly coupled with the side sprue gate of third lower die, and the ultrasonic oscillation device is located at the bottom of fixed platform, and to mould Liquid metal in tool applies ultrasonic wave, and the regulating mechanism is fixedly mounted on fixed platform bottom, and the radiator is can The radiator being mounted at the top of upper mold, bottom are metal plate, and plate is equipped with putting hole corresponding with fastening bolt, so that The upper surface of upper mold is close in radiator bottom surface, and there are five cooling fin fixed frames for the upper surface welding of radiator, for fixed heat dissipation Piece and conduction heat, cooling fin are the splintery Al-alloy metal piece perpendicular to cooling fin fixed frame.

2. bearing cap casting mould according to claim 1, which is characterized in that the fastening bolt, which can lengthen, fixes Four lower dies and the 5th lower die.

3. bearing cap casting mould according to claim 1, which is characterized in that the top of the radiator can install additional greatly Power fan.