CN218192474U - High-airtightness die-casting die blank - Google Patents

Abstract

The utility model discloses a high leakproofness die-casting mould embryo relates to die-casting mould embryo technical field, including last die body and lower die body, go up the die body with lower die body joint, the equal fixedly connected with pneumatic cylinder in top both sides of going up the die body, two the same mounting panel of the common fixedly connected with in top of pneumatic cylinder, go up the die body with the relative wherein both sides of one end of lower die body have all seted up the tympany chamber, first groove has been seted up to one side in tympany chamber, the elastic ring has been cup jointed in the middle of the inside in tympany chamber, the first board of one end fixedly connected with of elastic ring, go up the die body with the second groove has all been seted up to the relative other both sides of one end of lower die body, the cell wall bottom through connection in second groove has the cylinder, the middle part suit of cylinder is connected with the damping ring. The utility model discloses die-casting mould embryo's drawing of patterns efficiency has been increased to improve die-casting mould embryo's drawing of patterns effect, had the practicality.

Description

High-airtightness die-casting die blank

Technical Field

The utility model relates to a die-casting mould embryo technical field, in particular to high leakproofness die-casting mould embryo.

Background

The die-casting die forging process is a process completed on a special die-casting die forging machine. Molten metal is cast at low speed or high speed and filled into the cavity of the mold, the mold has movable cavity surface, and it is pressurized and forged along with the cooling process of the molten metal, so that the shrinkage cavity and shrinkage porosity defects of the blank are eliminated, and the internal structure of the blank reaches the broken crystal grains in the forged state. In the pressure casting forming process, a metal mold is used for forming a casting.

The traditional die-casting die blank often causes poor quality of die-casting products due to the problem of insufficient sealing property, and the use is influenced.

For example, chinese patent publication No. CN 2096988013U discloses a die-casting die blank with good sealing performance, and relates to the die field, which comprises a base, the upper surface both ends fixed mounting of base has the backup pad, the upper end fixed mounting of backup pad has lower die mechanism, the U type bottom of the groove fixed mounting that base and backup pad formed has the shock attenuation board, and the upper surface of the shock attenuation board of telling is provided with the thimble board, the last fixed surface of thimble board installs the thimble rod, the upper end sliding connection of thimble rod is in the bottom of lower die mechanism, the upper surface fixed mounting of base has the bracing piece, the upper end of bracing piece runs through shock attenuation board and thimble board and fixed mounting in the bottom of lower die mechanism, the top joint of lower die mechanism has upper die mechanism, the utility model discloses a spacing post carries out joint and locking with upper die mechanism and lower die mechanism with spacing groove, can guarantee sealing connection under the action of the gravity of upper die mechanism self to the quality of die-casting product has been guaranteed.

Although the connection sealing performance between the die blanks is improved, the die blank is pried out through the upper and lower prying die grooves during the die taking of the die blank, the taking means is time-consuming and labor-consuming, and the edge of the die blank is easily abraded, so that the production quality of the die-casting die blank is reduced, the practicability is low, and therefore the application provides a high-sealing die-casting die blank to meet the requirement.

SUMMERY OF THE UTILITY MODEL

The application aims to provide a high-tightness die-casting die blank so as to solve the problems in the background technology.

In order to achieve the above purpose, the present application provides the following technical solutions:

the utility model provides a high leakproofness die-casting die embryo, includes die body and lower die body, go up the die body with die body joint down, go up the equal fixedly connected with pneumatic cylinder in top both sides of die body, two the same mounting panel of the common fixedly connected with in top of pneumatic cylinder, go up the die body with the relative wherein both sides of one end of lower die body have all been seted up the tympany chamber, first groove has been seted up to one side of tympany chamber, the elastic ring has been cup jointed in the middle of the inside in tympany chamber, the first board of one end fixedly connected with of elastic ring, and first board is located the intermediate position in first groove, go up the die body with the second groove has all been seted up to the other both sides of the relative one end of lower die body, the cell wall bottom through connection in second groove has the cylinder, the middle part suit of cylinder is connected with the damping ring, the one end fixedly connected with second board of damping ring, and the second board is located the intermediate position in second groove.

Preferably, the hydraulic cylinder is fixedly connected with the upper die body through a flange, and the hydraulic cylinder is vertically connected with the upper die body.

Preferably, one side of the upper die body and one side of the lower die body are connected with a high-pressure pipe in a through mode, the high-pressure pipe is connected with the air drum cavity in a through mode, and one end of the high-pressure pipe is connected with an air pressure transmission device.

Preferably, the air drum cavity is connected with the first groove in a through mode, the first groove is matched with the first plate in size, and each pair of the first plates are distributed oppositely.

Preferably, the damping ring is located between the second groove and the cylinder, the second groove is matched with the second plate in size, and each pair of the second plates are distributed oppositely.

Preferably, the elastic ring with the damping ring is made of material silica gel, the elastic ring with the damping ring is provided with a spring in the middle of the inner part, the other end of the elastic ring is fixedly connected with the first groove, and the other end of the damping ring is fixedly connected with the air cylinder.

To sum up, the utility model discloses a technological effect and advantage:

1. the utility model discloses in, through the high-pressure pipe, the gas drum chamber, first board, cylinder and the second board that set up, the high-pressure pipe is convenient for let in high-pressure gas to the gas drum chamber, makes it shift out the first board through the elastic ring in the first groove, meanwhile, through the pneumatic flexible of cylinder, is convenient for drive damping ring and shifts out the second board in the second groove, separates the mould embryo between upper die body and the lower die body, makes the demoulding structure who increases mould embryo edge, through the pneumatic promotion of high-pressure gas in the gas drum chamber, and the pneumatic flexible of cylinder, improves the drawing of patterns speed of mould embryo on the basis of current die-casting mould embryo, reduces the drawing of patterns damage of mould embryo, has the practicality;

2. the utility model discloses in, through the flange that sets up, the mounting panel, elastic ring and damping ring, the pneumatic cylinder is convenient for will go up the top of mould body installation die body under through the mounting panel, the setting of mounting panel and flange has increased the installation convenience of mould embryo, improve the machining efficiency of die-casting mould embryo, elastic ring and damping ring are convenient for all with last mould body and lower mould body elastic connection with first board or second board, increase first board and second board and last die body and the lower die body connection structure and shock attenuation effect within a definite time, make the mould embryo can last die-casting drawing of patterns work, improve the machining efficiency of mould embryo, and has practicability.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic perspective view of a highly-sealed die-casting mold blank;

FIG. 2 is an exploded view of the upper mold body and the mounting plate in a highly airtight die-casting mold blank;

FIG. 3 is an exploded view of the lower mold body of a highly airtight die-casting mold blank;

FIG. 4 is an exploded view of a portion of a lower mold body and a first plate of a high-tightness die-casting mold blank;

fig. 5 is an exploded view of the lower mold body and the second plate of the high-tightness die-casting mold blank.

In the figure: 11 upper die bodies, 12 lower die bodies, 13 high-pressure pipes, 2 hydraulic cylinders, 21 mounting plates, 3 air drum cavities, 31 first grooves, 32 elastic rings, 321 springs, 33 first plates, 4 second grooves, 41 air cylinders, 42 damping rings, 43 second plates and 22 flanges.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): referring to fig. 1-5, a high-airtightness die-casting die blank includes an upper die body 11 and a lower die body 12, the upper die body 11 is connected to the lower die body 12 in a clamping manner, hydraulic cylinders 2 are fixedly connected to both sides of the top of the upper die body 11, the same mounting plate 21 is fixedly connected to the tops of the two hydraulic cylinders 2, an air drum cavity 3 is disposed on both sides of one end of the upper die body 11 opposite to the lower die body 12, a first groove 31 is disposed on one side of the air drum cavity 3, an elastic ring 32 is sleeved in the middle of the air drum cavity 3, a first plate 33 is fixedly connected to one end of the elastic ring 32, the first plate 33 is located in the middle of the first groove 31, second grooves 4 are disposed on both sides of the other end of the upper die body 11 opposite to the lower die body 12, a cylinder 41 is connected to the bottom of the groove wall of the second groove 4 in a penetrating manner, a damping ring 42 is sleeved in the middle of the cylinder 41, a second plate 43 is located in the middle of the second groove 4, the upper die body 11 and the lower die-casting die body 12 in the present structure of the present die blank, and the present die-casting die blank are not repeated description.

Referring to fig. 2, the hydraulic cylinder 2 is fixedly connected to the upper mold body 11 through a flange 22, the hydraulic cylinder 2 is vertically connected to the upper mold body 11, the hydraulic expansion of the hydraulic cylinder 2 is used for adjusting the height of the upper mold body 11, so as to separate the upper mold body 11 from the lower mold body 12, the upper mold body 11 is connected to the mounting position of the mold blank through a mounting plate 21, so as to connect the upper mold body 11 to a die casting device, and the die casting device is used for die casting of the mold blank.

Referring to fig. 1 or 4, a high-pressure pipe 13 is connected to one side of the upper mold body 11 and one side of the lower mold body 12 in a penetrating manner, the high-pressure pipe 13 is connected to the air drum cavities 3 in a penetrating manner, one end of the high-pressure pipe 13 is connected to an air pressure transmission device, and the high-pressure pipe 13 is used for connecting the two air drum cavities 3 in a penetrating manner and is connected to a pneumatic transmission device, so that the air pressure transmission device can deliver high-pressure air to the high-pressure pipe 13 and the air drum cavities 3 to separate the mold blanks between the upper mold body 11 and the lower mold body 12, reduce the abrasion of the edges of the mold blanks, increase a pneumatic demolding structure between the upper mold body 11 and the lower mold body 12, and improve the demolding rate of the mold blanks.

Referring to fig. 4, the air drum cavity 3 is connected with the first grooves 31 in a through manner, the first grooves 31 are matched with the first plates 33 in size, each pair of first plates 33 are distributed oppositely, and the mold blank is located between each pair of first plates 33, so that the mold blank is separated from the upper mold body 11 and the lower mold body 12 through the first plates 33, the mold blank is demolded, the pneumatic demolding structure of the die-casting mold blank is increased, and the demolding effect of the mold blank is improved.

Referring to fig. 5, the damping ring 42 is located between the second groove 4 and the cylinder 41, the size of the second groove 4 matches the size of the second plate 43, each pair of second plates 43 are distributed oppositely, and the pneumatic extension and retraction of the cylinder 41 is used for driving the second plates 43 to adjust the height, so that the mold blanks between each pair of second plates 43 can be separated from the upper mold body 11 and the lower mold body 12 respectively, thereby realizing the demolding operation of the mold blanks, increasing the demolding structure of the cylinder 41 for die-casting the mold blanks, and improving the demolding effect of the mold blanks.

Referring to fig. 4 or 5, the elastic ring 32 and the damping ring 42 are made of silicone, a spring 321 is disposed in the middle of each of the elastic ring 32 and the damping ring 42, the other end of the elastic ring 32 is fixedly connected to the first groove 31, and the other end of the damping ring 42 is fixedly connected to the cylinder 41, so that the elastic connection function and the damping function of the elastic ring 32 and the damping ring 42 are increased by using the elastic characteristics of the spring 321 and the silicone, the elastic ring 32 elastically connects the first plate 33 to the air drum cavity 3, the demolding convenience of the first plate 33 is increased, the damping ring 42 elastically connects the second plate 43 to the cylinder 41, and the demolding convenience of the second plate 43 is increased.

This practical theory of operation:

when the die-casting die blank is used for mounting the die blank, the lower die body 12 is firstly mounted at a using position by applying the existing die blank mounting technology, then the two hydraulic cylinders 2 are mounted at the top of the upper die body 11 by using the flange 22, and the upper die body 11 is mounted at the upper position of the lower die body 12 by the mounting plate 21; one end of the high-pressure pipe 13 is communicated with the pneumatic transmission device by applying the transmission connection technology of the existing pneumatic transmission device, such as an air cylinder 41 instrument, so as to complete the installation of the die body; when the die-casting of the die blank is carried out, the existing die blank die-casting processing technology is applied, the die blank is placed on the top of the lower die body 12, the upper die body 11 is pressed against the lower die body 12 through hydraulic expansion and contraction of the hydraulic cylinder 2, the die blank is pressed against the lower die body 12, the die-casting die blank is processed, after die-casting of the die blank is completed, the hydraulic cylinder 2 is moved upwards, high-pressure gas is introduced into the high-pressure pipe 13 through the pneumatic transmission device, the gas drives the elastic ring 32 to stretch, the first plate 33 is moved out of the first groove 31, the die blank is separated from the surface of the upper die body 11 or the lower die body 12, meanwhile, redundant gas rushes out of the first groove 31, the edges of the two sides of the die blank are blasted, and the die blank is separated from the upper die body 11 or the lower die body 12; pneumatic flexible through cylinder 41, cylinder 41 drives second board 43 and shifts out from second groove 4, damping ring 42 lengthens along with the removal of second board 43, second board 43 separates mould embryo and last mould 11 or the other both sides edge of lower mould 12, realize mould embryo edge drawing of patterns work all around, the back is through the promotion of lower mould 12 bottom thimble rod, realize the separation between mould embryo and mould, reduce the drawing of patterns wearing and tearing of mould embryo, increase the drawing of patterns speed of mould embryo, improve the drawing of patterns effect of mould embryo, and the practicality has.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims (6)

1. The utility model provides a high leakproofness die-casting mould embryo, includes die body (11) and lower die body (12), its characterized in that: go up die body (11) with die body (12) joint down, go up the equal fixedly connected with pneumatic cylinder (2) in top both sides of die body (11), two the same mounting panel (21) of the common fixedly connected with in top of pneumatic cylinder (2), go up die body (11) with air drum chamber (3) have all been seted up to the wherein both sides of the relative one end of die body (12) down, first groove (31) have been seted up to one side of air drum chamber (3), the cover has been connect elastic ring (32) in the middle of the inside of air drum chamber (3), the one end fixedly connected with first board (33) of elastic ring (32), and first board (33) are located the intermediate position of first groove (31), go up die body (11) with second groove (4) have all been seted up to the other both sides of the relative one end of die body (12) down, the cell wall bottom through connection in second groove (4) has cylinder (41), the middle part of cylinder (41) is connected with suit damping ring (42), the one end fixedly connected with second board (43) of damping ring (42), and second groove (43) are located the intermediate position of second groove (4).

2. The die-casting die blank with high tightness as recited in claim 1, wherein: the hydraulic cylinder (2) is fixedly connected with the upper die body (11) through a flange (22), and the hydraulic cylinder (2) is vertically connected with the upper die body (11).

3. The die-casting die blank with high tightness as recited in claim 1, wherein: one side of the upper die body (11) and one side of the lower die body (12) are connected with a high-pressure pipe (13) in a penetrating mode, the high-pressure pipe (13) is connected with the air drum cavity (3) in a penetrating mode, and one end of the high-pressure pipe (13) is connected with an air pressure transmission device.

4. The die-casting die blank with high tightness as recited in claim 1, wherein: the air drum cavity (3) is connected with the first grooves (31) in a penetrating mode, the sizes of the first grooves (31) and the first plates (33) are matched, and each pair of first plates (33) are distributed oppositely.

5. The die-casting die blank with high tightness as recited in claim 1, wherein: the damping ring (42) is located between the second groove (4) and the cylinder (41), the size of the second groove (4) is matched with that of the second plates (43), and each pair of second plates (43) are distributed oppositely.

6. The die-casting die blank with high tightness as recited in claim 1, wherein: elasticity circle (32) with damping ring (42) are the material silica gel and make, elasticity circle (32) with all be provided with spring (321) in the middle of the inside of damping ring (42), the other end of elasticity circle (32) with first groove (31) fixed connection, the other end of damping ring (42) with cylinder (41) fixed connection.

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