CN213591697U

CN213591697U - Special die convenient to reduce psammitolite gassing volume

Info

Publication number: CN213591697U
Application number: CN202021189146.2U
Authority: CN
Inventors: 朱月中
Original assignee: Shanghai Zhong Zhen Nonferrous Metal Casting Co ltd
Current assignee: Shanghai Zhong Zhen Nonferrous Metal Casting Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-07-02
Anticipated expiration: 2030-06-23

Abstract

The utility model discloses a special mould convenient to reduce psammitolite gas production, including last mould, bed die, last mold fixing mechanism, feed mechanism and vibration mechanism, last mold fixing mechanism and feed mechanism are installed on the plane of going up the mould, vibration mechanism is installed to the bottom surface of bed die. The utility model discloses contain vibration mechanism, vibration mechanism's vibrating motor during operation, can be so that last mould and bed die produce the vibration, this moment under the effect of vibration, be favorable to reducing the space between the sand material, reduce the gas production volume of sand material at the consolidation in-process, be favorable to reducing the molding sand of making and produce the emergence of gas pocket defect condition, be favorable to the sand material completely to laminate with the die cavity of last mould and last mould mounting panel simultaneously, greatly reduced because of the sand material not lead to the molding sand of producing with the mould laminating lack the material or the emergence of the excessive coarse condition of inside and outside wall, be favorable to improving the quality of the psammitolite of producing.

Description

Special die convenient to reduce psammitolite gassing volume

Technical Field

The utility model relates to the technical field of mold, specifically be a special mould convenient to reduce psammitolite gassing volume.

Background

The sand core is a material for manufacturing a core in casting production, and comprises casting sand, a sand binder and the like, the variety of the sand core is more, resin sand is one type of the sand core, the resin sand refers to molding sand or core sand which takes synthetic resin as a binder of the sand core, after a casting mold or a core is manufactured by the resin sand, the resin is solidified by irreversible cross-linking reaction under the action of a solidifying (hardening) agent, so that the casting mold or the core is provided with necessary strength, when the core is manufactured by the sand core, a mold is required, but the existing mold has many problems or defects:

when using the psammitolite preparation molding sand, current mould is in quiescent condition, and the space is great between the sand material, and is difficult to with the die cavity inner wall laminating, and the sand material is at the in-process of consolidation, and the psammitolite gassing volume is great, makes the molding sand of producing produce the gas pocket defect easily, is not convenient for guarantee the quality of the molding sand of producing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special mould convenient to reduce psammitolite gassing volume to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a special die convenient for reducing the gas evolution of a sand core comprises an upper die, a lower die, an upper die mounting mechanism, a feeding mechanism and a vibrating mechanism, wherein the upper die mounting mechanism and the feeding mechanism are mounted on the plane of the upper die, and the vibrating mechanism is mounted on the bottom surface of the lower die;

the upper die mounting mechanism comprises an upper die mounting plate, an iron plate, an electromagnet and a first hydraulic cylinder, the upper die mounting plate is fixedly mounted on the top surface of an upper die, the iron plate is horizontally and fixedly mounted at the center of the top surface of the upper die mounting plate, the electromagnet is fixedly mounted at the bottom end of the first hydraulic cylinder, and the electromagnet is magnetically connected to the top surface of the iron plate;

the vibrating mechanism comprises a lower die mounting plate, a spring, a second hydraulic cylinder, a base plate, a vibrating motor and a mounting seat, wherein the lower die mounting plate is horizontally and fixedly mounted on the bottom surface of the lower die;

feed mechanism includes first feeding mouth, second feeding mouth, three way connection and valve, install the top surface at last mould respectively for first feeding mouth and second feeding mouth, the bottom of first feeding mouth and second feeding mouth extends to in the die cavity of supreme mould, the top of first feeding mouth and second feeding mouth is passed and is gone up the mould mounting panel and extend to outside the top surface of supreme mould mounting panel, the top of second feeding mouth and a articulate of three way connection, the valve is all installed to all the other two joints of three way connection.

Preferably, heating wires are installed on the periphery of the die cavity of the upper die and the periphery of the die cavity of the lower die, and heating controllers are connected with the heating wires externally.

Preferably, first feeding mouth and second feeding mouth set up about iron plate symmetry, two blast pipes are installed to the top surface of going up the mould, two the blast pipe is adjacent with first feeding mouth and second feeding mouth position respectively, the bottom of first feeding mouth and second feeding mouth all extends to in the die cavity of top mould, the top of first feeding mouth and second feeding mouth extends to outside the top surface of last mould mounting panel.

Preferably, positioning columns are vertically and fixedly installed at four corners of the bottom surface of the upper die, and positioning holes matched with the positioning columns are formed at the four corners of the top surface of the lower die.

Preferably, the number of the second hydraulic cylinders is two, the second hydraulic cylinders are symmetrically arranged relative to the vibration motor, and the second hydraulic cylinders and the first hydraulic cylinders are externally connected with hydraulic controllers.

Preferably, the top of first pneumatic cylinder department level fixed mounting has the mounting panel, open four corners of mounting panel top surface has the mounting hole of fretwork, the backing plate is corrosion resistant plate, the length of backing plate is the same with the width of lower mould mounting panel.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses contain the vibration mechanism, the vibrating motor during operation of vibration mechanism can make upper die and bed die produce the vibration, at this moment under the effect of vibration, be favorable to reducing the space between the sand material, reduce the gassing volume of sand material in the consolidation process, be favorable to reducing the molding sand of making and producing the emergence of gas pocket defect condition, be favorable to the sand material to laminate with the die cavity of upper die and upper die mounting panel completely simultaneously, greatly reduced because of the sand material not laminate with the mould the molding sand that produces lacks the material or the emergence of the excessive coarse condition of inner and outer wall, be favorable to improving the quality of the psammitolite of making;

(2) the utility model discloses think about ingeniously, the mode that adopts two feeding accelerates and the speed of sand material packing die cavity, when adopting the hot core box to send out the production psammitolite, can install three way connection on second feed inlet, and two joints that will install the valve simultaneously kick into device and air-blower output with the sand material respectively and are connected, and the back is accomplished in the molding sand preparation, directly cools off it through the air-blower, device simple structure, and the function is various, has made things convenient for the use when molding sand preparation greatly.

Drawings

FIG. 1 is a front view of the upper mold and the lower mold after the molds are opened;

fig. 2 is a schematic view of the internal structure of the upper mold and the lower mold of the present invention;

fig. 3 is a front view of the upper mold and the lower mold after closing the mold of the present invention.

In the figure: 1. go up the mould, 2, go up the mould mounting panel, 3, iron plate, 4, electro-magnet, 5, first pneumatic cylinder, 6, first feed nozzle, 7, second feed nozzle, 8, three way connection, 9, valve, 10, blast pipe, 11, reference column, 12, bed die, 13, lower mould mounting panel, 14, spring, 15, second pneumatic cylinder, 16, backing plate, 17, vibrating motor, 18, mount pad, 19, heater strip, 20, mounting panel.

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.

Referring to fig. 1-3, the present invention provides an embodiment: a special die convenient for reducing the gas evolution of a sand core comprises an upper die 1, a lower die 12, an upper die mounting mechanism, a feeding mechanism and a vibrating mechanism, wherein the upper die mounting mechanism and the feeding mechanism are mounted on the plane of the upper die 1, and the vibrating mechanism is mounted on the bottom surface of the lower die 12;

the upper die mounting mechanism comprises an upper die mounting plate 2, an iron plate 3, an electromagnet 4 and a first hydraulic cylinder 5, wherein the upper die mounting plate 2 is fixedly mounted on the top surface of an upper die 1, the iron plate 3 is horizontally and fixedly mounted at the center of the top surface of the upper die mounting plate 2, the electromagnet 4 is fixedly mounted at the bottom end of the first hydraulic cylinder 5, and the electromagnet 4 is magnetically connected to the top surface of the iron plate 3;

the vibrating mechanism comprises a lower die mounting plate 13, a spring 14, a second hydraulic cylinder 15, a base plate 16, a vibrating motor 17 and a mounting seat 18, the lower die mounting plate 13 is horizontally and fixedly mounted on the bottom surface of the lower die 12, the vibrating motor 17 is fixedly mounted at the center of the bottom surface of the lower die mounting plate 13, the springs 14 are vertically mounted at four corners of the top surface of the mounting seat 18, the second hydraulic cylinder 15 is vertically and fixedly mounted on the top surface of the mounting seat 18, the base plate 16 is horizontally and fixedly mounted at the top end of the second hydraulic cylinder 15, and the top surface of the base plate 16 is contacted with the bottom surface of the lower die mounting plate 13;

feed mechanism includes first feed nozzle 6, second feed nozzle 7, three way connection 8 and valve 9, install the top surface at last mould 1 respectively for first feed nozzle 6 and second feed nozzle 7, the bottom of first feed nozzle 6 and second feed nozzle 7 extends to in the die cavity of mould 1, the top of first feed nozzle 6 and second feed nozzle 7 is passed and is gone up mould mounting panel 2 and extend to outside the top surface of last mould mounting panel 2, the top of second feed nozzle 7 and a articulate of three way connection 8, valve 9 is all installed to all the other two joints of three way connection 8.

Specifically, heating wires 19 are installed on the periphery of the die cavities of the upper die 1 and the lower die 12, and a heating controller is connected outside the heating wires 19.

Specifically, first feeding mouth 6 and second feeding mouth 7 set up about 3 symmetries of iron plate, two blast pipes 10 are installed to the top surface of last mould 1, two blast pipe 10 is adjacent with first feeding mouth 6 and second feeding mouth 7 position respectively, the bottom of first feeding mouth 6 and second feeding mouth 7 all extends to in the die cavity of supreme mould 1, the top of first feeding mouth 6 and second feeding mouth 7 extends to outside the top surface of last mould mounting panel 2.

Specifically, four corners of the bottom surface of the upper die 1 are vertically and fixedly provided with positioning columns 11, and four corners of the top surface of the lower die 12 are provided with positioning holes matched with the positioning columns 11.

Specifically, the number of the second hydraulic cylinders 15 is two, the second hydraulic cylinders 15 are symmetrically arranged about the vibration motor 17, and the second hydraulic cylinders 15 and the first hydraulic cylinders 5 are externally connected with hydraulic controllers.

Specifically, the top of first pneumatic cylinder 5 department level fixed mounting has mounting panel 20, open four corners of mounting panel 20 top surface has the mounting hole of fretwork, backing plate 16 is corrosion resistant plate, the length of backing plate 16 is the same with the width of lower mould mounting panel 13.

The working principle is as follows: when the utility model is used, the first hydraulic cylinder 5 is arranged at the upper die mounting position of the sand core manufacturing equipment through the bolt, the vibration mechanism is arranged at the lower die mounting position of the sand core manufacturing equipment, the first hydraulic cylinder 5 and the second hydraulic cylinder 15 are externally connected with the hydraulic generating device, the electromagnet 4 and the vibration motor 17 are externally connected with the power supply and the control switch, when the device is used, the first hydraulic cylinder 5 is descended until the upper die 1 and the lower die 12 are closed together, then the sand material is injected into the die cavities of the upper die 1 and the lower die 12 through the first feeding nozzle 6 and the second feeding nozzle 7, after the injection of the sand material is completed, in the process of sand material consolidation, the electromagnet 4 is powered off, at the moment, the magnetic force of the electromagnet 4 disappears, the electromagnet 4 is separated from the iron plate 3, then the second hydraulic cylinder 15 is completely contracted, after the second hydraulic cylinder 15 is contracted, the lower die 13 is contacted with the spring, under the action of the spring 14, the lower die 12 and the upper die 1 are supported, the vibration motor 17 works at the moment, when the vibration motor 17 works, the upper die 1 and the lower die 12 can vibrate, at the moment, under the action of vibration, the gap between sand materials is favorably reduced, the gas evolution of the sand materials in the consolidation process is reduced, the occurrence of the air hole defect of the manufactured molding sand is favorably reduced, meanwhile, the sand materials are favorably completely attached to the die cavities of the upper die 1 and the upper die mounting plate 2, the occurrence of the condition that the produced molding sand is lack of materials or the inner and outer walls are excessively rough due to the fact that the sand materials are not attached to the dies is greatly reduced, the quality of the manufactured sand core is favorably improved, the device has ingenious conception, the double-feeding mode is adopted to accelerate the speed of filling the die cavities with the sand materials, when the hot core box is adopted to produce the sand core, the three-way joint 8 can, simultaneously will install two joints of valve 9 and inject into device and air-blower output with the sand material respectively and be connected, the molding sand preparation is accomplished the back, directly cools off it through the air-blower, device simple structure, and the function is various, has made things convenient for the use when molding sand preparation greatly.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a special mould convenient to reduce psammitolite gassing volume which characterized in that: the device comprises an upper die (1), a lower die (12), an upper die mounting mechanism, a feeding mechanism and a vibrating mechanism, wherein the upper die mounting mechanism and the feeding mechanism are mounted on the plane of the upper die (1), and the vibrating mechanism is mounted on the bottom surface of the lower die (12);

the upper die mounting mechanism comprises an upper die mounting plate (2), an iron plate (3), an electromagnet (4) and a first hydraulic cylinder (5), the upper die mounting plate (2) is fixedly mounted on the top surface of the upper die (1), the iron plate (3) is horizontally and fixedly mounted in the center of the top surface of the upper die mounting plate (2), the electromagnet (4) is fixedly mounted at the bottom end of the first hydraulic cylinder (5), and the electromagnet (4) is magnetically connected to the top surface of the iron plate (3);

the vibrating mechanism comprises a lower die mounting plate (13), a spring (14), a second hydraulic cylinder (15), a base plate (16), a vibrating motor (17) and a mounting seat (18), wherein the lower die mounting plate (13) is horizontally and fixedly mounted on the bottom surface of the lower die (12), the vibrating motor (17) is fixedly mounted at the center of the bottom surface of the lower die mounting plate (13), the springs (14) are vertically mounted at four corners of the top surface of the mounting seat (18), the second hydraulic cylinder (15) is vertically and fixedly mounted on the top surface of the mounting seat (18), the base plate (16) is horizontally and fixedly mounted on the top end of the second hydraulic cylinder (15), and the top surface of the base plate (16) is in contact with the bottom surface of the lower die mounting plate (13;

feed mechanism includes first feeding mouth (6), second feeding mouth (7), three way connection (8) and valve (9), install the top surface at last mould (1) respectively first feeding mouth (6) and second feeding mouth (7), the bottom of first feeding mouth (6) and second feeding mouth (7) extends to in the die cavity of mould (1), the top of first feeding mouth (6) and second feeding mouth (7) is passed and is gone up mould mounting panel (2) and extend to outside the top surface of last mould mounting panel (2), the top of second feeding mouth (7) and the articulate of three way connection (8), valve (9) are all installed to all the other two joints of three way connection (8).

2. The special mold for reducing the gas evolution of the sand core as claimed in claim 1, wherein: heating wires (19) are installed on the periphery of the die cavities of the upper die (1) and the lower die (12), and the heating wires (19) are externally connected with heating controllers.

3. The special mold for reducing the gas evolution of the sand core as claimed in claim 1, wherein: first feeding mouth (6) and second feeding mouth (7) set up about iron plate (3) symmetry, go up the top surface of mould (1) and install two blast pipes (10), two blast pipe (10) are adjacent with first feeding mouth (6) and second feeding mouth (7) position respectively, the bottom of first feeding mouth (6) and second feeding mouth (7) all extends to in the die cavity of supreme mould (1), the top of first feeding mouth (6) and second feeding mouth (7) extends to outside the top surface of last mould mounting panel (2).

4. The special mold for reducing the gas evolution of the sand core as claimed in claim 1, wherein: four corners of the bottom surface of the upper die (1) are vertically and fixedly provided with positioning columns (11), and four corners of the top surface of the lower die (12) are provided with positioning holes matched with the positioning columns (11).

5. The special mold for reducing the gas evolution of the sand core as claimed in claim 1, wherein: the quantity of second pneumatic cylinder (15) is two, two second pneumatic cylinder (15) set up about vibrating motor (17) symmetry, and two second pneumatic cylinder (15) and first pneumatic cylinder (5) all are external to have hydraulic controller.

6. The special mold for reducing the gas evolution of the sand core as claimed in claim 1, wherein: the top of first pneumatic cylinder (5) department level fixed mounting has mounting panel (20), open four corners of mounting panel (20) top surface has the mounting hole of fretwork, backing plate (16) are corrosion resistant plate, the length of backing plate (16) is the same with the width of lower mould mounting panel (13).