Environment-friendly casting sand mold

Abstract

The utility model provides an environment-friendly casting sand mold, which relates to the technical field of sand molds, and comprises a base and a sand mold disc, the upper part of the base is provided with an upper sleeve frame, the sand mold disc is sleeved in the upper sleeve frame, the lower end of the sand mold disc is fixedly provided with a middle fixing plate, the middle part in the base is provided with a middle groove, and the middle fixing plate is embedded in the middle groove. Sand is contained in the sand mold disc, an outer mold body is arranged on the upper portion of the sand, three sets of inner mold bodies are arranged on the inner side of the outer mold body, a lower empty groove is formed in the lower portion in the base, side fixing plates are arranged on the left side wall and the right side wall of the lower empty groove correspondingly, and the front portion and the rear portion in each side fixing plate are each sleeved with a set of lower telescopic air cylinder; the upper end of the lower telescopic air cylinder abuts against the lower end face of the middle fixing plate. Molten metal can be conveniently and flexibly cast and molded, and the mold body can be conveniently, automatically and rapidly ejected out. Therefore, mold unloading is quicker and more convenient, the working efficiency of sand mold casting is improved, sand in the sand mold disc is convenient to replace or clean, and the sand mold is more flexible and practical.

Description

Technical Field

[0001] The utility model relates to the technical field of sand molds, in particular to an environmentally friendly casting sand mold. Background Art

[0002] Sand casting is a manufacturing process that involves making a sand mold and pouring molten bronze into it. The sand mold is usually made of silica sand and epoxy resin, and then the molten bronze is poured into the sand mold and removed after cooling. This process is often used to make items such as bronze bells. In addition, sand casting can also be applied to glass manufacturing, by pouring molten glass into the sand mold and removing it after cooling to form a unique glass artwork. The sand casting mold has an outer mold and an inner mold, and a casting cavity is set between the outer mold and the inner mold.

[0003] In the specification of an impeller casting sand mold in the prior art (Announcement No. CN202951844U), it is mentioned that "it has an outer mold and an inner mold, a casting cavity is provided between the outer mold and the inner mold, a stepped trumpet-shaped opening is provided at the top of one end of the casting cavity, a casting port is provided at the top of the stepped trumpet-shaped opening, and the other end of the casting cavity is T-shaped". However, the sand in the casting sand mold groove in the prior art is inconvenient to clean or replace, and the base surface is easily dirty. In addition, it is not easy and convenient to discharge the casting mold, which affects the efficiency of the sand mold casting work and is not efficient and practical. Utility Model Content

[0004] In order to overcome the defects of the prior art, an environmentally friendly casting sand mold is now provided to solve the problems in the prior art that the sand in the casting sand mold groove is inconvenient to clean or replace, the base surface is easily dirty, and the casting mold is not easy and convenient to discharge the material, which affects the efficiency of the sand mold casting work and is not efficient and practical.

[0005] To achieve the above-mentioned purpose, an environmentally friendly casting sand mold is provided, including a base and a sand mold tray, an upper sleeve frame is opened on the upper part of the base, and the sand mold tray is sleeved in the upper sleeve frame, and a middle fixing plate is fixed to the lower end of the sand mold tray, a middle groove is provided in the middle part of the base, and the middle fixing plate is embedded in the middle groove, the sand mold tray is filled with sand, and an outer mold body is provided on the upper part of the sand, and three groups of inner mold bodies are provided on the inner side of the outer mold body.

[0006] Furthermore, a lower hollow groove is opened in the lower part of the base, and side fixing plates are provided on the left and right side walls of the lower hollow groove, and a group of lower telescopic cylinders are sleeved in the front and rear parts of the side fixing plates, and the upper ends of the lower telescopic cylinders are against the lower end surface of the middle fixing plate.

[0007] Furthermore, the middle fixed plate and the middle groove, the sand mold plate and the upper sleeve frame are all separated and connected, and side movable grooves are opened on the left and right side walls of the upper sleeve frame, and multiple groups of balls are arranged in the side movable grooves.

[0008] Furthermore, a windshield is provided at the edge of the upper end surface of the base, and the windshield adopts a rectangular frame structure.

[0009] Furthermore, side fixing edges are fixed on both left and right ends of the upper side of the sand mold plate, and handles are provided on the side fixing edges, and a plurality of groups of ejector pins are sleeved in the middle fixing plate at the lower end of the sand mold plate.

[0010] Furthermore, the upper end of the ejector pin is pressed against the lower end surface of the ejector plate, and the ejector plate is located exactly on the lower end surface of the outer mold body, and both the outer mold body and the inner mold body are detachable structures.

[0011] The beneficial effects of the utility model are:

[0012] 1. In the utility model, the middle fixed plate can be pushed upward by the lower telescopic cylinder, and the sand mold plate can be conveniently placed in the upper sleeve frame and taken out from the upper sleeve frame, which is more convenient and saves trouble to use, and the whole sand mold plate can be conveniently taken out for replacement or cleaning of sand.

[0013] 2. The wind shield plate in the utility model is used to enclose the top of the sand mold tray, so that the sand mold casting in the sand mold tray is safer and more stable, avoiding the influence of the casting liquid blown by the wind, and is safer and more stable.

[0014] 3. The utility model can push the middle fixed plate and the outer mold body to move straight upward by extending the ejector pin upward, so as to facilitate the ejection of the outer mold body and the inner mold body, thereby making it easier and more convenient to unload the mold, which helps to improve the efficiency of sand mold casting. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a top view schematic diagram of an embodiment of the utility model;

[0016] Figure 2 It is a cross-sectional schematic diagram of an embodiment of the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of the base of an embodiment of the utility model;

[0018] Figure 4 This is a rendering of a sand mold tray according to an embodiment of the utility model;

[0019] Figure 5 It is a cross-sectional schematic diagram of a sand mold plate according to an embodiment of the present utility model.

[0020] In the figure: 1. base; 10. lower empty slot; 11. side fixing plate; 12. lower telescopic cylinder; 13. middle groove; 14. upper sleeve frame; 15. side movable slot; 16. ball bearing; 17. wind shield; 2. sand mold plate; 20. outer mold body; 21. ejector plate; 22. sand; 23. ejector pin; 24. middle fixing plate; 25. side fixing edge; 26. handle; 27. inner mold body. DETAILED DESCRIPTION

[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model is further described in detail in combination with the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model. Specific details such as specific system structures and technologies are proposed in order to more thoroughly understand the embodiments of the utility model. The described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. However, it should be clear to those skilled in the art that the utility model can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present disclosure.

[0022] The specific implementation of the utility model is described in detail below with reference to the accompanying drawings.

[0023] Figure 1 A schematic top view of an embodiment of the utility model, Figure 2 It is a cross-sectional schematic diagram of an embodiment of the utility model, Figure 3 The schematic diagram of the internal structure of the base of the utility model embodiment is as follows: Figure 4 The sand mold tray effect diagram and Figure 5 It is a cross-sectional schematic diagram of a sand mold plate according to an embodiment of the present utility model.

[0024] Reference Figures 1 to 5 As shown, the utility model provides an environmentally friendly casting sand mold, including a base 1 and a sand mold plate 2, an upper sleeve frame 14 is opened on the upper part of the base 1, and the sand mold plate 2 is sleeved in the upper sleeve frame 14, and a middle fixing plate 24 is fixed to the lower end of the sand mold plate 2, a middle groove 13 is arranged in the middle part of the base 1, and the middle fixing plate 24 is embedded in the middle groove 13, the sand mold plate 2 is filled with sand 22, and an outer mold body 20 is arranged on the upper part of the sand 22, and three groups of inner mold bodies 27 are arranged on the inner side of the outer mold body 20.

[0025] In this embodiment, a lower hollow groove 10 is opened in the lower part of the base 1, and side fixing plates 11 are provided on the left and right side walls of the lower hollow groove 10, and a group of lower telescopic cylinders 12 are sleeved in the front and rear parts of the side fixing plates 11, and the upper ends of the lower telescopic cylinders 12 are pressed against the lower end surface of the middle fixing plate 24; the middle fixing plate 24 and the middle groove 13, the sand mold plate 2 and the upper sleeve frame 14 are all split and connected, and side movable grooves 15 are opened on the left and right side walls of the upper sleeve frame 14, and multiple groups of balls 16 are arranged in the side movable grooves 15.

[0026] As a preferred embodiment, in the utility model, the middle fixed plate 24 can be pushed upward by the lower telescopic cylinder 12, and the sand mold tray 2 is conveniently placed in the upper sleeve frame 14 and also conveniently taken out from the upper sleeve frame 14, which is more convenient and saves trouble to use, and the entire sand mold tray 2 can be easily taken out for replacement or cleaning of sand.

[0027] In this embodiment, a windshield plate 17 is provided at the edge of the upper end surface of the base 1, and the windshield plate 17 adopts a rectangular frame structure.

[0028] As a preferred embodiment, the wind shield 17 in the utility model is used to enclose the top of the sand mold plate 2, so that the sand mold casting in the sand mold plate 2 is safer and more stable, avoiding the influence of the casting liquid blown by the wind, and is safer and more stable.

[0029] In this embodiment, side fixing edges 25 are fixed to both left and right ends of the upper side of the sand mold plate 2, and handles 26 are provided on the side fixing edges 25, and a plurality of groups of ejector pins 23 are sleeved in the middle fixing plate 24 at the lower end of the sand mold plate 2; the upper ends of the ejector pins 23 are pressed against the lower end surface of the ejection plate 21, and the ejection plate 21 is located exactly on the lower end surface of the outer mold body 20, and both the outer mold body 20 and the inner mold body 27 are detachable structures.

[0030] As a preferred embodiment, the utility model can push the middle fixed plate 24 and the outer mold body 20 straightly upward by extending the ejector pin 23 upward, so as to facilitate the ejection of the outer mold body and the inner mold body, thereby making it easier and more convenient to unload the mold, which helps to improve the efficiency of sand mold casting.

[0031] The utility model can effectively solve the problems in the prior art that the sand in the casting sand mold groove is inconvenient to clean or replace, the base surface is easily dirty, and the casting mold is not easy and convenient to discharge, which affects the efficiency of sand mold casting and is not efficient and practical. The utility model is convenient and flexible to cast molten metal and is convenient to automatically and quickly eject the mold body. Therefore, the mold unloading is faster and more convenient, which helps to improve the efficiency of sand mold casting, and it is convenient to replace or clean the sand in the sand mold tray, which is more flexible and practical.

[0032] The above embodiments are used to explain the present invention rather than to limit the present invention. Any modifications and changes made to the present invention within the spirit of the present invention and the scope of the claims for protection shall be included in the protection scope of the present invention.

Claims

1. An environmentally friendly casting sand mold, Features: The invention comprises a base (1) and a sand mold plate (2); an upper sleeve frame (14) is provided on the upper part of the base (1), and the sand mold plate (2) is sleeved in the upper sleeve frame (14); a middle fixing plate (24) is fixed to the lower end of the sand mold plate (2); a middle groove (13) is provided in the middle part of the base (1), and the middle fixing plate (24) is embedded in the middle groove (13); sand (22) is filled in the sand mold plate (2), and an outer mold body (20) is provided on the upper part of the sand (22), and three groups of inner mold bodies (27) are provided on the inner side of the outer mold body (20).

2. An environmentally friendly casting sand mold according to claim 1, It is characterized in that A lower hollow groove (10) is provided in the lower part of the base (1), and side fixing plates (11) are provided on the left and right side walls of the lower hollow groove (10), and a group of lower telescopic cylinders (12) are sleeved in the front and rear parts of the side fixing plates (11), and the upper ends of the lower telescopic cylinders (12) are pressed against the lower end surface of the middle fixing plate (24).

3. The environmentally friendly casting sand mold according to claim 1, It is characterized in that The middle fixed plate (24) and the middle groove (13), the sand mold plate (2) and the upper sleeve frame (14) are all separated and connected, and side movable grooves (15) are opened on the left and right side walls of the upper sleeve frame (14), and multiple groups of balls (16) are arranged in the side movable grooves (15).

4. The environmentally friendly casting sand mold according to claim 1, It is characterized in that A windshield plate (17) is provided at the edge of the upper end surface of the base (1), and the windshield plate (17) adopts a rectangular frame structure.

5. The environmentally friendly casting sand mold according to claim 1, It is characterized in that Side fixing edges (25) are fixed to both left and right ends of the upper side of the sand mold plate (2), and handles (26) are arranged on the side fixing edges (25), and a plurality of groups of ejector pins (23) are sleeved in a middle fixing plate (24) at the lower end of the sand mold plate (2).

6. An environmentally friendly casting sand mold according to claim 5, It is characterized in that The upper end of the ejector pin (23) is pressed against the lower end surface of the ejector plate (21), and the ejector plate (21) is located exactly on the lower end surface of the outer mold body (20), and both the outer mold body (20) and the inner mold body (27) are detachable structures.

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