CN216680137U

CN216680137U - Metal die-casting die easy to separate die

Info

Publication number: CN216680137U
Application number: CN202122930782.7U
Authority: CN
Inventors: 童小飞; 余林
Original assignee: Kunshan Chengyuan Precision Metal Electronics Co ltd
Current assignee: Kunshan Chengyuan Precision Metal Electronics Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-06-07
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a metal die-casting die easy to split, which relates to the technical field of die-casting dies and comprises an upper die plate and a lower die plate, wherein the upper die plate is provided with an upper die core, the lower die plate is provided with a lower die core and a sliding block, a die cavity is formed among the lower die core, the upper die core and the sliding block, two groups of grooves are formed at two ends of the upper surface of the lower die core, and a positioning mechanism is arranged in each groove; the center of the lower die core is provided with a through hole, and an ejection mechanism is inserted into the through hole. Two mould feet are installed on two sides of the lower template, the ejector pin plate is arranged between the two mould feet, an ejector pin is fixedly installed on the ejector pin plate, and the ejector pin is abutted to the bottom of a product. The utility model ensures the sealing performance between the sliding block and the lower die core by designing the positioning mechanism, facilitates the later-stage die separation, and simultaneously adopts the ejection structure with the ejection block matched with the ejector pin, thereby facilitating the separation of the product and the die.

Description

Metal die-casting die easy to separate die

Technical Field

The utility model belongs to the technical field of die-casting dies, and particularly relates to a metal die-casting die easy to split dies.

Background

Pressure casting is a short term for pressure casting, and is a method for obtaining a casting by filling a die cavity of a die-casting die with liquid or semi-liquid metal at a high speed under the action of high pressure and rapidly solidifying the liquid or semi-liquid metal under the pressure, wherein the die-casting die is called as a die-casting die, and the pressure is usually used for the die-casting from several megapascals to dozens of megapascals, so the high pressure and the high speed are important characteristics of the die-casting.

After the product is formed, the product needs to be quickly separated from the mold, so that the mold can be put into the next production cycle, and when the product is separated from the mold, the product is not completely cooled and solidified, and if the adopted demolding mode is not reasonable, the deformation of the product is caused, and the quality of the product is influenced.

In order to overcome the defects, the technical personnel in the field actively innovate and research to create a metal die-casting die easy to separate.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a metal die-casting die easy to separate, which aims to solve the problem that a product is not easy to separate from the die when the die-casting die is separated in the prior art.

In order to solve the technical problems, the utility model adopts a technical scheme that: the metal die-casting die easy to split comprises an upper die plate and a lower die plate, wherein an upper die core is arranged on the upper die plate, a lower die core and a sliding block are arranged on the lower die plate, a cavity is formed among the lower die core, the upper die core and the sliding block, two groups of grooves are formed in two ends of the upper surface of the lower die core, and a positioning mechanism is arranged in each groove;

positioning mechanism includes horizontal kicking block, stopper and slide, slide fixed mounting in the recess, set up the slide opening of slope in the horizontal kicking block, the slide opening interpolation is equipped with the ejector pin of writing that matches with it, the other end fixed mounting of oblique ejector pin in the cope match-plate pattern, the horizontal kicking block can horizontal slip in the slide, the one end of horizontal kicking block with the slider is inconsistent, the other end of horizontal kicking block with the stopper is contradicted.

Two sides of the lower template are provided with two mold feet, the ejector pin plate is arranged between the two mold feet, the ejector pin plate is fixedly provided with ejector pins, and the ejector pins are abutted against the bottom of a product;

the center of the lower die core is provided with a through hole, and an ejection mechanism is inserted into the through hole.

Furthermore, the ejection mechanism comprises an ejection block and an ejector rod, one end of the ejector rod is fixedly installed on the ejector plate, the other end of the ejector rod is fixedly installed on the ejection block, and the top end of the ejection block is conical.

Furthermore, one end, close to the limiting block, of the horizontal top block is provided with an inclined guide surface, and one end of the limiting block is provided with an inclined surface matched with the guide surface.

Furthermore, an upper cooling pipe is fixedly installed in the upper die core, a lower cooling pipe is fixedly installed in the lower die core, and a water outlet and a water inlet are respectively arranged at two ends of the upper cooling pipe and the lower cooling pipe.

Furthermore, the two groups of positioning mechanisms are symmetrical about the central plane of the lower die core.

Further, a guide pillar is fixedly mounted on the upper template, and a guide sleeve matched with the guide pillar is arranged on the lower template.

Furthermore, a conical pouring gate is formed in the upper die plate and communicated with the cavity.

The utility model has the beneficial effects that:

1. the die cavity of the utility model is divided into a lower die core, an upper die core and a slide block, when the die is separated, the upper die core moves upwards along with the upper die plate, and the slide block is separated from the lower die core from two sides;

2. the ejector pin plate is provided with the ejector pin which is abutted against a product and the ejector rod which is abutted against the ejector block, the ejector block positioned in the center of the product plays a main role during die parting, the ejector block positioned on the periphery of the product plays an auxiliary role during ejection of the product, uniform stress of the product is guaranteed while the product is ejected, the product is prevented from deforming, and meanwhile, the head of the ejector block is conical, so that the ejector block is conveniently separated from the product at the later stage while the contact area of the ejector block and the product is maintained.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

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

FIG. 2 is an exploded schematic view of the present invention;

FIG. 3 is a partial cross-sectional view of the present invention;

FIG. 4 is an enlarged view of the region A of the present invention

The parts in the drawings are marked as follows:

1. mounting a template; 11. an upper die core; 12. an upper cooling pipe; 13. a guide post; 2. a lower template; 21. a lower die core; 22. a slider; 23. a through hole; 24. a lower cooling tube; 25. a guide sleeve; 3. a groove; 4. a positioning mechanism; 41. a horizontal top block; 411. a slide hole; 412. an oblique ejector rod; 413. a guide surface; 42. a limiting block; 421. a bevel; 43. a slideway; 5. a mould leg; 6. an ejector plate; 61. a thimble; 7. an ejection mechanism; 71. ejecting a block; 72. a top rod; 8. and a pouring gate.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and the present invention will be described in detail with reference to the accompanying drawings. The utility model may be embodied in other different forms, i.e. it is capable of various modifications and changes without departing from the scope of the utility model as disclosed.

Example (b): the utility model provides a metal die casting die of easily moulding, as shown in fig. 1 to 4, cope match-plate pattern 1 and lower template 2 that include, be provided with upper die benevolence 11 on the cope match-plate pattern, be provided with lower mould benevolence 21 and slider 22 on the lower bolster, lower mould benevolence upper die benevolence with form the die cavity between the slider, two sets of recesses 3 have been seted up at the both ends of lower mould benevolence upper surface, each install positioning mechanism 4 in the recess, through-hole 23 has been seted up at the center of lower mould benevolence, the through-hole interpolation is equipped with ejection mechanism 7. Before molding, the positioning mechanism closely attaches the upper die core, the lower die core and the sliding block together to form a die cavity, molten metal is injected into the die cavity, a product is molded in the die cavity, after the product is cooled, the ejection mechanism ejects the product out of the lower die core, and the product is separated from the die.

An upper cooling pipe 12 is fixedly arranged in the upper die core, a lower cooling pipe 24 is fixedly arranged in the lower die core, and a water outlet and a water inlet are respectively arranged at two ends of the upper cooling pipe and the lower cooling pipe. The upper die core and the lower die core are cooled by the cooling liquid, and the design of the double-layer cooling pipe is favorable for quick cooling of products.

The upper die plate is provided with a conical pouring gate, and the pouring gate is communicated 8 with the cavity. And the molten metal enters the cavity from the pouring gate.

The upper template is fixedly provided with a guide post 13, and the lower template is provided with a guide sleeve 25 matched with the guide post. When the die is closed, the guide post is inserted into the guide sleeve, so that the accuracy of closing the upper die core and the lower die core is ensured.

The two groups of positioning mechanisms are symmetrical about the central plane of the lower die core.

Positioning mechanism includes horizontal kicking block 41, stopper 42 and slide 43, slide fixed mounting in the recess, set up the slide opening 411 of slope in the horizontal kicking block, the oblique ejector pin 412 that matches with it is equipped with in the slide opening interpolation, the other end fixed mounting of oblique ejector pin in the cope match-plate pattern, the horizontal kicking block can horizontal slip in the slide, the one end of horizontal kicking block with the slider is connected, the other end of horizontal kicking block with the stopper is contradicted. The one end that horizontal kicking block is close to the stopper is provided with the spigot surface 413 of slope, the one end of stopper be provided with spigot surface assorted inclined plane 421. During the compound die, go up the mould benevolence downstream, simultaneously under the effect of oblique ejector pin, horizontal kicking block drives the slider and is close to lower mould benevolence, and the stopper moves down under the drive of connecting rod, and the connecting rod links to each other with the cope match-plate pattern, and the inclined plane is laminated with the spigot surface, and the stopper also promotes horizontal kicking block and removes, and after the compound die, oblique ejector pin inserted the slide opening bottom, and simultaneously, the bottom and the recess laminating of stopper, the inclined plane and the spigot surface of stopper laminate completely.

Two sides of the lower template are provided with two mold feet 5, the ejector pin plate 6 is arranged between the two mold feet, ejector pins 61 are fixedly arranged on the ejector pin plate, the ejector pins are uniformly distributed on the periphery of a product, and the ejector pins are abutted to the bottom of the product;

the ejection mechanism comprises an ejection block 71 and an ejector rod 72, one end of the ejector rod is fixedly mounted on the ejector plate, the other end of the ejector rod is fixedly mounted on the ejection block, and the top end of the ejection block is conical. The ejector plate drives the ejector pins and the ejection mechanism to move, the ejection blocks play a main role in ejection, the ejector pins play an auxiliary role all around, and the conical structures at the heads of the ejection blocks are convenient for later-stage separation of products from the ejection blocks while uniform stress of the products is guaranteed.

The working process and working principle of the utility model are as follows:

during the use, go up mould benevolence downstream, simultaneously under the effect of oblique ejector pin, horizontal kicking block drives the slider and is close to lower mould benevolence, stopper downstream, and the inclined plane is laminated with the spigot surface, and the stopper also promotes horizontal kicking block and removes, and behind the compound die, oblique ejector pin inserts the slide opening bottom, and simultaneously, the bottom and the recess laminating of stopper, the inclined plane and the spigot surface of stopper laminate completely. The molten metal enters the cavity from the pouring gate. The cooling liquid flows in the upper cooling pipe and the lower cooling pipe to cool the upper mold core and the lower mold core.

After the product is completely cooled, the mold is divided, the limiting block moves upwards, the horizontal sliding block and the sliding block leave the lower mold core under the driving of the inclined ejector rod, the upper mold core is separated from the lower mold core, the ejector plate moves upwards, and the ejection block ejects the product out of the lower mold core.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures made by using the contents of the specification and the drawings, or other related technical fields, are encompassed by the present invention.

Claims

1. The utility model provides an easily divide metal die casting die of mould, includes cope match-plate pattern (1) and lower bolster (2), be provided with upper die benevolence (11) on the cope match-plate pattern, be provided with lower mould benevolence (21) and slider (22) on the lower bolster, lower mould benevolence the upper die benevolence with form die cavity, its characterized in that between the slider: two ends of the upper surface of the lower die core are provided with two groups of grooves (3), and a positioning mechanism (4) is arranged in each groove;

the positioning mechanism comprises a horizontal top block (41), a limiting block (42) and a slide way (43), the slide way is fixedly installed in the groove, an inclined slide hole (411) is formed in the horizontal top block, an inclined ejector rod (412) matched with the inclined slide hole is inserted in the slide hole, the other end of the inclined ejector rod is fixedly installed on the upper template, the horizontal top block can horizontally slide in the slide way, one end of the horizontal top block is connected with the sliding block, and the other end of the horizontal top block is abutted against the limiting block;

two sides of the lower template are provided with two mold feet (5), an ejector plate (6) is arranged between the two mold feet, the ejector plate is fixedly provided with an ejector pin (61), and the ejector pin is abutted against the bottom of a product;

the center of the lower die core is provided with a through hole (23), and an ejection mechanism (7) is inserted into the through hole.

2. The metal die-casting mold easy to mold split as recited in claim 1, wherein: the ejection mechanism comprises an ejection block (71) and an ejector rod (72), one end of the ejector rod is fixedly installed on the ejector plate, the other end of the ejector rod is fixedly installed on the ejection block, and the top end of the ejection block is conical.

3. The metal die-casting mold easy to mold split as recited in claim 1, wherein: one end of the horizontal top block, which is close to the limiting block, is provided with an inclined guide surface (413), and one end of the limiting block is provided with an inclined surface (421) matched with the guide surface.

4. The metal die-casting mold easy to mold split as recited in claim 1, wherein: an upper cooling pipe (12) is fixedly arranged in the upper die core, a lower cooling pipe (24) is fixedly arranged in the lower die core, and a water outlet and a water inlet are respectively arranged at two ends of the upper cooling pipe and the lower cooling pipe.

5. The metal die-casting mold easy to mold split as recited in claim 1, wherein: the two groups of positioning mechanisms are symmetrical about the central plane of the lower die core.

6. The metal die-casting mold easy to mold split as recited in claim 1, wherein: the upper template is fixedly provided with a guide post (13), and the lower template is provided with a guide sleeve (25) matched with the guide post.

7. The metal die-casting mold easy to mold split as recited in claim 1, wherein: the upper die plate is provided with a conical pouring gate, and the pouring gate is communicated with the cavity (8).