CN203124675U

CN203124675U - Horizontal type cold chamber die casting machine

Info

Publication number: CN203124675U
Application number: CN 201320073596
Authority: CN
Inventors: 谭道常
Original assignee: LIANBAO (HEFEI) ELECTRONIC TECHNOLOGY Co Ltd
Current assignee: LIANBAO (HEFEI) ELECTRONIC TECHNOLOGY Co Ltd
Priority date: 2013-02-16
Filing date: 2013-02-16
Publication date: 2013-08-14
Anticipated expiration: 2023-02-16

Abstract

The utility model provides a horizontal type cold chamber die casting machine. The horizontal type cold chamber die casting machine comprises a material pipe, a punch, a distributor and a runner. The punch is arranged in the material pipe, the runner comprises a material handle and a transverse runner, wherein the material handle and the transverse runner are parallel to each other, and the upper end of the material handle is connected with the lower end of the transverse runner. The distributor is matched with the runner. The inner diameter section of a sprue bush comprises a flat part and an inclined part, and therefore the punch can punch in place. According to the horizontal type cold chamber die casting machine, structural change is carried out on the distributor and the sprue bush from the aspect of die structure, a thin-walled short runner can be molded, the weight of the runner is reduced greatly, therefore, waste of raw materials is reduced greatly, and production cost is reduced.

Description

Horizontal cold-chamber die casting machine

Technical field

The utility model belongs to cold-chamber die casting machine, is specifically related to the horizontal cold-chamber die casting machine that a kind of energy is low-cost, high-quality carries out the thin-wall part moulding.

Background technology

At present; the thin-wall part product is when using horizontal cold-chamber die casting machine moulding; as shown in Figure 1, 2; molten metal alloy liquid waters feeding pipe through scoop; the drift in the logical charge tube is pressed into runner; through bridging, exhaust, overflow launder subsidiary products die cast, final products are filled to the precision die mold cavity forming that male model and master mold constitute by motlten metal liquid and go out, and cooled and solidified obtains foundry goods at short notice.

The moulding scheme generally comprises above-mentioned runner, exhaust, overflow launder, bridging, five parts of product, and wherein only product section is effective; Other all is the subsidiary products die cast, and has factors such as mould release pollution, material oxidation to remove as waste material because of these, perhaps need re-use through after-treatment.In molding the whole technical process of thin-section casting, runner accounts for the weight ratio of whole foundry goods raw material use amount 40%～70% greatly, and final required product only accounts for 10%～30%, and wastage of material is very serious, increases product cost.

As shown in Figure 3, the runner of existing horizontal cold-chamber die casting machine comprises expects handle, perpendicular runner, crossing current road, buffering area successively and advances cast gate, erect runner binder handle and crossing current road, buffering area connects into cast gate and crossing current road, advances the product edge that cast gate is connected the interior moulding of die cavity of male model and master mold composition.

Between material pipe and the runner die assembly is set, as soup muzzle and shunting, be used for the guide flow passage moulding, wherein the soup muzzle cooperates with the material pipe, prevents material pipe cooperation place ejection soup, but the internal diameter of existing soup muzzle has the gradient R with runner gradient unanimity, when the die cast process, drift can only allow at most to arrive and soup muzzle contact position, if drift can not be flushed to the position again, the material handle is very thick, the waste raw material; Shunting son also is that the part of advancing to water of die casting is carried out reality with the soup muzzle and joined, and plays the effect of change molten metal alloy liquid flow direction in a whole set of mould.

Existing solution is to guarantee that when die cast clout (biscuit) part of runner is too not thick, guarantee that material pipe drift is flushed to soup muzzle contact position as far as possible, by being set, the die casting machine inner parameter guarantees, but be limited to soup muzzle structural limitations, drift still can not arrive soup muzzle inside, and not so liquid has just sprayed, and this shows, adopt this scheme material not tackle the problem at its root, waste of material is still very serious.

The utility model content

The technical problems to be solved in the utility model is to provide a kind of horizontal cold-chamber die casting machine, by the architecture advances to runner, shunting, soup muzzle, molds the short runner of thin-walled, saves a large amount of raw material, reduces cost, and raises the efficiency.

For achieving the above object, the utility model by the following technical solutions:

A kind of horizontal cold-chamber die casting machine comprises material pipe, drift, shunting, runner, and described material pipe inside arranges drift, and described runner comprises material handle and the crossing current road that is parallel to each other, and described material handle upper end links to each other with the lower end in crossing current road.

Preferentially, described runner constitutes by expecting that pipe and shunting are sub spacing.

Preferentially, an end of described material pipe arranges the soup muzzle, and described runner is made of with shunting is spacing the soup muzzle.

Preferentially, described shunting and runner coupling.

Preferentially, the internal diameter section of described soup muzzle comprises continuous flat section and oblique section, described flat section diameter and drift coupling.

The utility model compared with prior art has the following advantages:

1) the utility model was improved runner from the moulding conceptual design in the mould development stage, made the raw material of the interior storage of runner significantly reduce, and saved raw material, reduced product cost.

2) the utility model carries out structural change to shunting son and soup muzzle from mould structure, can mold the thin-walled runner, runner weight is significantly alleviated, thereby significantly reduce raw-material waste, reduces product cost.

3) the material pipe on the utility model soup muzzle and the die casting machine cooperates, and the leading portion inclined-plane becomes straight and the drift coupling, can make the drift in the material pipe go deep into making drift be flushed to the position in the soup muzzle, and perpendicular runner shortens, and saves material, reaches the purpose that the attenuation of material handle shortens.

4) volume, the weight owing to casting reduces, can use machine short material pipe in cold house's to guarantee material pipe pack completeness, because air content reduces in the die cavity, so defectives such as the bubble can improve moulding time the, shrinkage porosite, cavitation erosions, improve product quality, improve die life.

5) the utility model is by improving mould structure and runner moulding, when producing the above thin-wall product of 0.8mm, because not needing high relatively dashing the speed of filling out and dash the power of tamping, can not want the soup muzzle, direct and the male model of material pipe is arranged, and sub cooperation of shunting gets final product, and saves die cost.

Description of drawings

Fig. 1 is the casting process schematic diagram of horizontal cold-chamber die casting machine;

Fig. 2 is the structural representation of existing horizontal cold-chamber die casting machine;

Fig. 3 (a) is prior art moulding scheme schematic diagram;

Fig. 3 (b) is that right view and the flow passage structure of Fig. 3 (a) changes schematic diagram;

Fig. 4 (a) is the structural representation of shunting in the prior art;

Fig. 4 (b) is the cutaway view of Fig. 4 (a);

Fig. 5 (a) is the structural representation of present embodiment shunting;

Fig. 5 (b) is the cutaway view of Fig. 5 (a);

Fig. 6 (a) is the structural representation of soup muzzle in the prior art;

Fig. 6 (b) is the cutaway view of Fig. 6 (a);

Fig. 7 (a) is the structural representation of present embodiment soup muzzle;

Fig. 7 (b) is the cutaway view of Fig. 7 (a);

Fig. 7 (c) is the side view of Fig. 7 (a);

Fig. 8 (a) is the structural representation that the soup muzzle cooperates with drift in the prior art

Fig. 8 (b) is the structural representation that the utility model soup muzzle cooperates with drift.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is described further:

Embodiment

Shown in Fig. 2,3, present embodiment comprises material pipe 1, shunting 3, runner 4, male model 5 and master mold 6, described material pipe 1 inside arranges drift, shown in (2), (3) among Fig. 3 (b), described runner 4 comprises material handle 41 and the crossing current road 43 that is parallel to each other, and described material handle 41 upper ends link to each other with the lower end of perpendicular runner 42.Buffering area 44 connects to advance cast gate 45 and crossing current road 43, advances the product edge that cast gate 45 is connected the interior moulding of die cavity of male model and master mold composition.

Wherein, L is the distance of material handle 41 to die joint (being the composition surface of male model 5 and master mold 6) PL face.The utility model omits as the perpendicular runner 42 of (1) among Fig. 3 (b), L shown in the prior art is about 40～50mm changes 5～20mm shown in Fig. 3 (b) into, generally gets 5,10,15,20mm, makes things convenient for the mould design to process; L does not generally get 0, because get inconvenient manipulator pickup in 0 o'clock.，

Shown in Fig. 4 (a), 4 (b), 5 (a), 5 (b), because runner 4 shortens, shunting 3 is also done corresponding shortening.The length H2 of shunting 3 heads after the runner 4 corresponding improvement is lower than existing H1, and is consistent with runner 4.

as Fig. 6 (a), 6 (b), 7 (a), 7 (b), shown in 7 (c), the average meat of thin-wall product is thick when 0.4～0.8mm, requirement has very high filling speed and filling pressure, the L of runner 4 usually get as shown in (2) in Fig. 3 (b) 15, 20mm, mould will have the soup muzzle, prevent material pipe cooperation place ejection soup, during die cast, as shown in Fig. 8 (b), drift 2 in material pipe 1 stretches into soup muzzle 7, described runner consists of with shunting 3 is spacing soup muzzle 7, described material pipe 1 is near a sheathed soup muzzle 7 of end of runner 4, the internal diameter section of described soup muzzle 7 comprises flat section and oblique section, flat section inside diameter D of soup muzzle is consistent with material pipe diameter, H is that the drift theory can put in soup muzzle distance, H depending on runner design, tiltedly section is with the consistent gradient R of runner gradient.

Shown in Fig. 8 (a), 8 (b), flat section diameter of described soup muzzle 7 and drift coupling, drift promotes molten metal bath to mold cavity, drift can only allow at most to arrive and soup muzzle contact position before the improvement, behind the structural modification, drift can go deep into soup muzzle 7 inside, can dwindle the L value of runner.

When the average meat of thin-wall product is thick when 0.8mm is above, L gets 5,10mm, looks the product complexity, and mould can adopt no soup muzzle structure, material pipe 1 directly and male model 5 cooperate, the runner when (3) are L=5mm among Fig. 3 (b) designs; Described runner 4 constitutes by material pipe 1 and shunting 3 are spacing.

Molten metal alloy liquid advances feeding pipe 1, drift 2 in the logical charge tube 1 is pressed into runner 4, through exhaust, overflow launder, bridging subsidiary products die cast, final products are filled to the precision die mold cavity forming that male model and master mold constitute by motlten metal liquid and go out, and cooled and solidified obtains foundry goods at short notice.

The utility model above-described embodiment only is this patent embodiment preferably, and the structure that all employing the technical program are described, feature and the variation on its spiritual principle, modification all belong to the protection domain of this patent.

Claims

1. a horizontal cold-chamber die casting machine comprises material pipe, drift, shunting, runner, and described material pipe inside arranges drift, it is characterized in that: described runner comprises material handle and the crossing current road that is parallel to each other, and described material handle upper end links to each other with the lower end in crossing current road.

2. horizontal cold-chamber die casting machine according to claim 1 is characterized in that: described runner is by the material pipe and shunting is spacing constitutes.

3. horizontal cold-chamber die casting machine according to claim 1, it is characterized in that: an end of described material pipe arranges the soup muzzle, and described runner is by the soup muzzle and shunting is spacing constitutes.

4. according to claim 2 or 3 described horizontal cold-chamber die casting machines, it is characterized in that: described shunting and runner coupling.

5. horizontal cold-chamber die casting machine according to claim 3 is characterized in that: the internal diameter section of described soup muzzle comprises continuous flat section and oblique section, and described flat section diameter mates with drift.