CN217252593U - Multi-cavity nozzle wax mold die - Google Patents

Abstract

The utility model relates to a multicavity nozzle wax matrix mould, include: the mould comprises an upper mould plate, a lower mould plate and a mould core, wherein the upper mould plate is provided with a plurality of upper mould cavities and upper mould core cavities communicated with the upper mould cavities; the lower die plate is provided with a plurality of lower die cavities and lower die core cavities communicated with the lower die cavities, and the lower die cavities and the lower die core cavities are arranged in an array; the bottom plate is fixed on the lower template and is provided with a plurality of sliding grooves; the mould cores are respectively movably inserted into the lower mould core cavity, one side of each mould core is provided with a side mould cavity, and the other side of each mould core is provided with a slave mould closing inclined plane; and the connecting plate is inserted into the sliding groove in a sliding manner, and the mold core array is fixed on the connecting plate. The die realizes linkage of the side sliding blocks through the connecting rods, improves production efficiency of the multi-cavity die, is simple in structure, does not have a complex mechanism, and reduces design period and manufacturing cost of the complex mechanism of the die.

Description

Multi-cavity nozzle wax mold die

Technical Field

The utility model relates to a wax matrix mould, especially a multicavity nozzle wax matrix mould.

Background

Investment casting requires the formation of a mold cavity by a wax pattern, so the wax pattern formation is also an important process which directly influences the product size in the whole investment casting process. Nozzle type castings are common investment castings, and the structure of the nozzle type castings deviates from a simple upper mold stripping structure and a simple lower mold stripping structure more and tends to be a complex structural form. At present, in investment casting enterprises, most of nozzle type castings which cannot be simply demoulded up and down are produced in a one-cavity forming mode, so that the production efficiency of wax pattern pressing is limited; and the common non-simple multi-cavity mold with upper and lower demolding is mostly provided with complex mechanisms such as ejection, core pulling and the like, the mold structure is complex, and the manufacturing cost is higher.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a simple structure, mould are with low costs, production efficiency is high multicavity nozzle wax matrix mould, and concrete technical scheme is:

a multi-cavity nozzle wax pattern mold comprising: the mould comprises an upper mould plate, a lower mould plate and a mould core, wherein the upper mould plate is provided with a plurality of upper mould cavities and upper mould core cavities communicated with the upper mould cavities, the upper mould cavities and the upper mould core cavities are arranged in an array manner, and one side of each upper mould core cavity is provided with a main mould closing inclined plane; the lower die plate is provided with a plurality of lower die cavities and lower die core cavities communicated with the lower die cavities, and the lower die cavities and the lower die core cavities are arranged in an array; the bottom plate is fixed on the lower template, and a plurality of sliding grooves are formed in the bottom plate; the mould cores are provided with a plurality of mould cores and are respectively and movably inserted into the lower mould core cavity, one side of each mould core is provided with a side mould cavity, and the other side of each mould core is provided with a secondary mould closing inclined plane; the connecting plate is inserted into the sliding groove in a sliding mode, and the die core array is fixed on the connecting plate;

when the mould is closed, the main mould closing inclined plane pushes the mould core to be pressed on the lower mould cavity through the auxiliary mould closing inclined plane, and the side mould cavity, the upper mould cavity and the lower mould cavity form a wax mould cavity; and during mold separation, the mold core simultaneously moves towards the direction far away from the lower cavity through the connecting plate so as to demould the wax mold.

Preferably, the method further comprises the following steps: the positioning pin is fixed on the upper template; and the positioning column is fixed on the lower template, a positioning hole is formed in the positioning column, and the positioning pin is inserted into the positioning hole.

Furthermore, the top of locating pin is equipped with the cone head, the locating hole is the bell mouth.

Preferably, the ejection mechanism further comprises an ejection spring, wherein the ejection spring is installed at one end of the sliding groove and connected with one end of the connecting plate.

Compared with the prior art the utility model discloses following beneficial effect has:

the utility model provides a pair of multicavity nozzle wax matrix mould passes through the connecting rod and realizes the linkage of side slide, improves the production efficiency of multicavity mould, and this simple structure does not have complicated mechanism simultaneously, has reduced the design cycle and the manufacturing cost of mould complicated mechanism.

Drawings

FIG. 1 is a schematic view of a multi-cavity nozzle wax pattern mold as it is being split;

FIG. 2 is a cross-sectional view of a multi-cavity nozzle wax pattern mold as it is closed;

FIG. 3 is a schematic structural view of the lower template after die separation;

FIG. 4 is a cross-sectional view of FIG. 3;

FIG. 5 is a schematic structural view of the upper plate;

FIG. 6 is a cross-sectional view of the upper platen;

FIG. 7 is a schematic structural view of the lower template;

FIG. 8 is a cross-sectional view of the lower platen;

FIG. 9 is a cross-sectional view of the mold core;

FIG. 10 is a schematic view of the array of cores secured to a web;

FIG. 11 is a schematic structural view of a connecting plate;

FIG. 12 is a schematic view of the locating pin construction;

FIG. 13 is a schematic view of the positioning post;

fig. 14 is a schematic view of a structure of a wax pattern.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings.

As shown in fig. 1 to 14, the multi-cavity nozzle wax mold comprises an upper mold plate 1, a lower mold plate 2, a bottom plate 5, a mold core 3 and a connecting plate 4.

The bottom of the upper die plate 1 is provided with ten upper die cavities 11 and ten upper die core cavities 12, the upper die core cavities 12 are positioned on one side of the upper die cavities 11 and communicated with the upper die cavities 11, and one side of the upper die core cavities 12 is provided with a main die assembly inclined plane 13 for pushing the die cores 3 to move. The upper die core cavity 12 and the upper die cavity 11 are symmetrically arranged on two sides of the upper pouring gate 14, and five upper die cavities 11 and upper die core cavities 12 are arranged on each side of the upper pouring gate 14 in an array mode. Two positioning pins 6 are respectively arranged on the opposite corners of the bottom of the upper template 1, and conical heads 61 are arranged at the tops of the positioning pins 6.

The top of the lower template 2 is provided with ten lower cavities 21 and ten lower core cavities 22, the lower core cavities 22 are positioned at one side of the lower cavities 21 and communicated with the lower cavities 21, the cores 3 are movably inserted into the lower core cavities 22, and the width of the lower core cavities 22 is larger than that of the cores 3. The lower die core cavity 22 and the lower die core cavity 21 are symmetrically arranged on two sides of the lower pouring channel 24, and five lower die cavities 21 and lower die core cavities 22 are arranged on each side of the lower pouring channel 24 in an array mode. Two positioning columns 7 are respectively arranged on the opposite corners of the top of the lower template 2, positioning holes 71 are arranged on the tops of the positioning columns 7, the positioning holes 71 are conical holes, and the conical holes are matched with the conical heads 61 and are oppositely arranged.

The mold cores 3 are ten and are respectively and movably inserted into the lower mold core cavity 22, one side of the mold core 3 is provided with a side mold cavity 31, the other side of the mold core 3 is provided with a slave mold closing inclined surface 32, and the slave mold closing inclined surface 32 is opposite to the master mold closing inclined surface 13. The mold cores 3 are fixed on the connecting plate 4 and are arranged in an array, the connecting plate 4 is provided with two mold cores 3, the mold cores 3 are divided into two groups, and five mold cores 3 are arranged on each connecting plate 4.

The bottom plate 5 is fixed on the lower template 2, two sliding grooves 51 are symmetrically arranged on the bottom plate 5, and the connecting plate 4 is inserted in the sliding grooves 51 in a sliding manner.

The injection molding steps of the wax mold 8 are as follows:

1. the wax pressing machine carries out die assembly, a conical head 61 of a positioning pin 6 is inserted into the conical hole, when the bottom of the upper die plate 1 is pressed on the top of the lower die plate 2, the main die assembly inclined plane 13 presses the die core 3 on one side of the upper die cavity 11 and one side of the lower die cavity 21 through the auxiliary die assembly inclined plane 32, and the side die cavity 31, the upper die cavity 11 and the lower die cavity 21 are combined into a wax die cavity;

2. injecting wax by a wax injector;

3. after the wax injection is finished, the upper template 1 is opened along with an upper template of a wax injector, the upper cavity 11 is separated from the top of the wax mold 8, the mold core 3 is still positioned at one side of the lower cavity 21, and the wax mold 8 is limited on the lower template 2 by the side cavity 31;

4. the mold core 3 is pushed, so that the mold core 3 moves towards the direction away from the lower cavity 21, the mold core 3 is separated from the wax mold 8, and all the mold cores 3 on the same connecting plate 4 move synchronously at the moment;

5. all the wax patterns 8 are removed from the lower cavity 21.

The mould core 3 moves through the main mould closing inclined plane 13 and the auxiliary mould closing inclined plane 32, and the synchronous movement and demoulding of a plurality of mould cores 3 are realized through the connecting plate 4, so that the structure is simple, the manufacturing cost is low, and the use is convenient.

In order to facilitate demoulding, the mould also comprises a demoulding spring, wherein the demoulding spring is arranged at one end of the sliding groove 51 and is connected with one end of the connecting plate 4, and is used for pushing the connecting plate 4 to drive the mould core 3 to move towards the direction far away from the lower cavity 21 during mould separation without manually pushing the mould core 3 to move.

The technical principle of the present invention has been described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the claims of the present invention.

Claims (4)

1. A multi-cavity nozzle wax pattern mold, comprising:

the mould comprises an upper mould plate (1), wherein a plurality of upper mould cavities (11) and upper mould core cavities (12) communicated with the upper mould cavities (11) are arranged on the upper mould plate (1), the plurality of upper mould cavities (11) and the upper mould core cavities (12) are arranged in an array, and a main mould closing inclined plane (13) is arranged on one side of each upper mould core cavity (12);

the lower die comprises a lower die plate (2), wherein a plurality of lower die cavities (21) and lower die core cavities (22) communicated with the lower die cavities (21) are arranged on the lower die plate (2), and the lower die cavities (21) and the lower die core cavities (22) are arranged in an array;

the bottom plate (5) is fixed on the lower template (2), and a plurality of sliding grooves (51) are formed in the bottom plate (5);

the mould core (3) is provided with a plurality of mould cores (3) which are respectively and movably inserted into the lower mould core cavity (22), one side of each mould core (3) is provided with a side mould cavity (31), and the other side of each mould core (3) is provided with a secondary mould closing inclined plane (32); and

the connecting plate (4) is inserted into the sliding groove (51) in a sliding mode, and the mold cores (3) are fixed on the connecting plate (4) in an array mode;

when in mold closing, the main mold closing inclined plane (13) pushes the mold core (3) to be pressed on the lower cavity (21) through the auxiliary mold closing inclined plane (32), and the side cavity (31), the upper cavity (11) and the lower cavity (21) form a wax mold cavity;

and during mold separation, the mold core (3) moves towards the direction far away from the lower cavity (21) through the connecting plate (4) simultaneously so as to demould the wax mold (8).

2. A multi-cavity nozzle wax pattern mold according to claim 1, further comprising:

the positioning pin (6), the said positioning pin (6) is fixed on said upper template (1); and

the positioning column (7) is fixed on the lower template (2), a positioning hole (71) is formed in the positioning column (7), and the positioning pin (6) is inserted into the positioning hole (71).

3. A multi-cavity nozzle wax pattern mold according to claim 2, wherein the top of the positioning pin (6) is provided with a conical head (61), and the positioning hole (71) is a conical hole.

4. A multi-cavity nozzle wax pattern mold according to claim 1, further comprising a stripper spring mounted at one end of the slide groove (51) and connected to one end of the connecting plate (4).

Images