CN212398000U

CN212398000U - Iron ring sand casting mould

Info

Publication number: CN212398000U
Application number: CN202020699132.9U
Authority: CN
Inventors: 韦家干
Original assignee: Huizhou Dianzhan Hardware Product Co ltd
Current assignee: Huizhou Dianzhan Hardware Product Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2021-01-26
Anticipated expiration: 2030-04-29

Abstract

A sand casting mold for iron rings comprises a first template, a runner, a second template and a plurality of iron ring models, wherein the first template is provided with a soup inlet and is provided with a plurality of first exhaust holes; the runner is arranged on the first template and communicated with the soup inlet; the second template is detachably connected with the first template, a plurality of second exhaust holes are formed in the second template, and a riser is arranged on the second template and is communicated with the soup inlet; each iron ring model is respectively arranged on the second template and communicated with the runner, and the plurality of iron ring models are distributed in a matrix shape by using the central axis of the second template. Through will advance hot water mouth and runner and set up on first template, the hoop iron model sets up on the second template, forms the hoop casting steadily, and the hoop model sets up a plurality ofly, and the casting shaping obtains a plurality of hoop castings simultaneously, has set up a plurality of first exhaust holes and a plurality of second exhaust hole for this hoop sand type casting mould has good gas permeability, avoids appearing defects such as sand washing, sand inclusion, gas pocket.

Description

Iron ring sand casting mould

Technical Field

The utility model relates to a casting mold technical field especially relates to an iron ring sand type casting mould.

Background

Sand casting is a casting method for producing castings in sand molds, generally using sand to make a sand mold, generally making two or more parts, pouring molten iron into the sand mold, then holding for a suitable time until the metal solidifies, and solidifying and forming the metal in the sand mold to obtain a metal casting, wherein the basic raw materials for making the sand mold are casting sand and a sand binder, and since sand casting requires inexpensive and easily available raw materials, it is adaptable to single-piece production, mass production, and mass production of castings, and parts of various sizes can be produced, and since a long time, it has been a basic process in casting production, and widely used in casting processes, for example, iron and most nonferrous alloy castings can be obtained by sand casting.

However, in the existing sand casting process, the sand mold plays a very important role in the sand casting process, which affects the quality of the finished casting product, and the sand mold is prone to have the problems of loose structure, poor exhaust effect and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, providing a gas permeability is better, and the structure is more stable, can avoid producing sand washing, press from both sides the hoop sand casting mould of phenomenons such as sand, gas pocket, is favorable to improving foundry goods finished product quality and yields.

The purpose of the utility model is realized through the following technical scheme:

an iron ring sand casting mold comprising:

the soup inlet is formed in the first template, and a plurality of first exhaust holes are formed in the first template;

the runner is arranged on the first template and communicated with the soup inlet;

the second template is detachably connected with the first template, a plurality of second exhaust holes are formed in the second template, a riser is arranged on the second template, and the riser is communicated with the soup inlet; and

and each iron ring model is respectively arranged on the second template and communicated with the runner, the iron ring models are distributed in a matrix shape by using the central axis of the second template, and each iron ring model is used for containing molten iron and forming to obtain an iron ring casting.

In one embodiment, the sand casting mold for iron rings further comprises a locking assembly, the locking assembly comprises a first bolt and a first nut, the first template is provided with a first through hole, the second template is provided with a second through hole, the second through hole is matched with the first through hole, and the first bolt penetrates through the first through hole and the second through hole to be in threaded connection with the first nut.

In one embodiment, the locking assembly further includes a second bolt and a second nut, the first template is provided with a third through hole, the radius of the third through hole is smaller than that of the first through hole, the second template is provided with a fourth through hole, the radius of the fourth through hole is smaller than that of the second through hole, the fourth through hole is matched with the third through hole, and the second bolt passes through the third through hole and the fourth through hole and is in threaded connection with the second nut.

In one embodiment, a plurality of the first exhaust holes are disposed at both sides of the flow passage.

In one embodiment, a plurality of the second exhaust holes are arranged on one side of the iron ring model.

In one embodiment, the first template is provided with a plurality of third exhaust holes, the radius of each third exhaust hole is larger than that of the first exhaust hole, and the third exhaust holes are arranged on two sides of the flow passage.

In one embodiment, the radius of the soup inlet is gradually reduced from one end close to the first template to one end far away from the first template.

In one embodiment, the first nut is a wing nut.

In one embodiment, the second nut is a wing nut.

In one embodiment, the inner side wall of the iron ring model is provided with an anti-sticking coating.

Compared with the prior art, the utility model discloses at least, following advantage has:

the utility model discloses a to advance hot water mouth and runner and set up on first template, the ring iron model sets up on the second template, the molten iron is through advancing the leading-in runner of hot water mouth, the rethread runner is leading-in to the hoop model, the shaping obtains the hoop foundry goods in the hoop model, be favorable to forming the hoop foundry goods more stably, improve the yields of hoop foundry goods, and the hoop model is provided with a plurality ofly, can cast the shaping simultaneously and obtain a plurality of hoop foundry goods, the productivity effect is greatly improved, and simultaneously, first template and second template are provided with a plurality of first exhaust holes and a plurality of second exhaust hole respectively, make this hoop foundry mould have good gas permeability, can be fast effectively with the vapor discharge that the molten iron injection in-process produced, avoid appearing the sand washing, the sand inclusion, defects such as gas pocket, thereby the finished product quality of hoop foundry goods has been improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of an iron ring sand casting mold according to an embodiment of the present invention;

FIG. 2 is a schematic view of another perspective of the sand casting iron ring mold casting mold of FIG. 1;

FIG. 3 is a schematic view of the sand casting iron ring mold of FIG. 1 from a further perspective;

FIG. 4 is a schematic view of the sand casting iron ring mold of FIG. 1 from a further perspective;

fig. 5 is a schematic structural view of the sand casting mold for iron rings shown in fig. 1 from another perspective.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, the sand casting mold 10 includes a first mold plate 100, a runner 200, a second mold plate 300, and a plurality of iron ring molds 400. The first template 100 is provided with a soup inlet 110, and the first template 100 is provided with a plurality of first exhaust holes 101. The runner 200 is disposed on the first mold plate 100, and the runner 200 is communicated with the soup inlet 110. The second template 300 is detachably connected with the first template 100, a plurality of second exhaust holes 301 are formed in the second template 300, a riser 310 is arranged on the second template 300, and the riser 310 is communicated with the soup inlet 110; each of the iron ring models 400 is respectively disposed on the second mold plate 300, each of the iron ring models 400 is communicated with the runner 200, the plurality of iron ring models 400 are distributed in a matrix shape around a central axis of the second mold plate 300, and each of the iron ring models 400 is used for accommodating molten iron and forming to obtain an iron ring casting.

It should be noted that the first mold plate 100 and the second mold plate 300 are arranged opposite to each other, the second mold plate 300 is arranged below the first mold plate 100, the first mold plate 100 and the second mold plate 300 are adapted in shape, the soup inlet 110 and the runner 200 are arranged on the first mold plate 100, the iron ring model 400 is arranged on the second mold plate 300, the runner 200 and the iron ring model 400 are arranged in a corresponding manner, a plurality of first guiding holes are formed in the first mold plate 100, a plurality of second guiding holes are formed in the second mold plate 300, the first guiding holes are respectively communicated with the runner 200 and the second guiding holes, the second guiding holes are communicated with the iron ring model 400, so that the communication between the runner 200 and the iron ring model 400 is realized, molten iron is introduced into the runner 200 through the soup inlet 110 and then into the iron ring model 400 through the runner 200, an iron ring casting is obtained in the iron ring model 400 by molding, the second mold plate 300 is arranged below the first mold plate 100, under the action of gravity, molten iron can be quickly introduced into an iron ring model to facilitate smooth casting of an iron ring, wherein the runner 200 is provided with a convex structure to facilitate storage of more molten iron, the molten iron can be supplemented in the casting process of the iron ring casting to avoid the phenomenon of insufficient molten iron, the quality of the iron ring casting is ensured, the iron ring casting is more stably formed, the yield of the iron ring casting is improved, the riser 310 and the hot water inlet 110 are arranged up and down correspondingly, a third guide hole is formed in the first template 100 and a fourth guide hole is formed in the second template 300, the third guide holes are respectively communicated with the hot water inlet 110 and communicated with the third guide hole, the fourth guide hole is communicated with the riser 310 to realize the communication between the riser 310 and the hot water inlet 110, the riser 310 is arranged, the riser 310 can also be used for storing the molten iron, the iron ring model 400 has a structure with an iron ring cavity, can design according to the hoop casting shape and the size of concrete needs, hoop model 400 is provided with a plurality ofly, can cast the shaping simultaneously and obtain a plurality of hoop castings, the productivity effect has been improved greatly, because the hoop casting in-process, the molten iron has higher temperature, when pouring into hoop sand type casting mould 10 into, there is vapor evaporation escape, first template 100 and second template 300 are provided with a plurality of first exhaust holes 101 and a plurality of second exhaust hole 301 respectively, vapor can be discharged through first exhaust hole 101 and second exhaust hole 301, make this hoop sand type casting mould 10 have good gas permeability, can pour into the steam that the in-process produced into with the molten iron fast effectively and discharge, avoid appearing the sand washing, defects such as sand inclusion, the gas pocket, thereby the finished product quality of hoop casting has been improved.

Specifically, referring to fig. 3 and 4, the sand casting mold 10 further includes a locking assembly, the locking assembly includes a first bolt and a first nut, the first mold plate 100 is provided with a first through hole 102, the second mold plate 300 is provided with a second through hole 302, the second through hole 302 is adapted to the first through hole 102, and the first bolt passes through the first through hole 102 and the second through hole 302 and is in threaded connection with the first nut. It can be understood that, the positions of the first through hole 102 and the second through hole 302 correspond to each other, after the first bolt passes through the first through hole 102 and the second through hole 302, the first nut is installed on the first bolt by twisting the first nut, and is locked and fixed by the first nut, so that the first template 100 and the second template 300 are locked and fixed, when casting is completed, and an iron ring casting is obtained, the first nut is taken down from the first bolt by reversely twisting the first nut, and the first bolt is taken down, so that the first template 100 and the second template 300 can be separated, the iron ring casting can be taken out conveniently, the first bolt and the first nut are arranged, the detachable connection of the first template 100 and the second template 300 is realized, and the installation and the detachment are convenient.

Further, referring to fig. 3 and 4 again, the locking assembly further includes a second bolt and a second nut, the first template 100 is provided with a third through hole 103, the radius of the third through hole 103 is smaller than the radius of the first through hole 102, the second template 300 is provided with a fourth through hole 303, the radius of the fourth through hole 303 is smaller than the radius of the second through hole 302, the fourth through hole 303 is adapted to the third through hole 103, and the second bolt passes through the third through hole 103 and the fourth through hole 303 to be in threaded connection with the second nut. It can be understood that the third through hole 103 corresponds to the fourth through hole 303, after the second bolt passes through the third through hole 103 and the fourth through hole 303, the second nut is installed on the second bolt by twisting the second nut, and is locked and fixed by the second nut, so that the first template 100 and the second template 300 are locked and fixed, when casting is completed to obtain an iron ring casting, the second nut is removed from the second bolt by twisting the second nut in the reverse direction, and the second bolt is removed, so that the first template 100 and the second template 300 can be separated, the iron ring casting can be conveniently taken out, the first template 100 and the second template 300 can be further locked and fixed by arranging the second bolt and the second nut, the loosening phenomenon between the first template 100 and the second template 300 is avoided, the structure of the iron ring sand casting mold 10 is more stable, and smooth casting of the iron ring can be ensured, further improving the yield.

Specifically, referring to fig. 3, a plurality of the first exhaust holes 101 are disposed at two sides of the flow channel 200. It can be understood that the first exhaust holes 101 are uniformly arranged on the two sides of the runner 200 at intervals, and because molten iron enters the runner 200 through the liquid inlet 110, the temperature around the runner 200 is higher, and the first exhaust holes 101 are arranged on the two sides of the runner 200, so that steam generated at high temperature in the iron ring sand casting mold 10 can be exhausted more quickly and effectively, and the exhaust effect is better.

More specifically, referring to fig. 4, a plurality of second exhaust holes 301 are disposed at one side of the iron ring model 400. It can be understood that the second exhaust holes 301 are uniformly arranged on the two sides of the iron ring model 400 at intervals, and because the iron liquid is cast and formed into the iron ring casting in the iron ring model 400, the temperature around the iron ring model 400 is higher, and the second exhaust holes 301 are arranged on the two sides of the iron ring model 400, so that the steam generated at high temperature in the iron ring sand casting mould 10 can be exhausted more quickly and effectively, and the exhaust effect is better.

Further, referring to fig. 3, the first mold plate 100 is provided with a plurality of third exhaust holes 104, a radius of the third exhaust holes 104 is greater than a radius of the first exhaust holes 101, and the third exhaust holes 104 are disposed at two sides of the flow channel 200. It should be noted that the third exhaust holes 104 are uniformly arranged at two sides of the runner 200 at intervals, the third exhaust holes 104 are arranged in parallel with the second exhaust holes 301 at intervals, and the third exhaust holes 104 are arranged to better exhaust steam generated at high temperature in the iron ring sand casting mold 10.

Further, referring to fig. 1 and 5, in order to better pour the molten iron and facilitate the molten iron to be introduced into the runner 200, the radius of the soup inlet 110 gradually decreases from the end close to the first mold plate 100 to the end away from the first mold plate 100. It should be noted that the radius of the soup inlet 110 gradually decreases from the end close to the first mold plate 100 to the end far away from the first mold plate 100, that is, the soup inlet 110 is in a tapered soup inlet 110 structure, the radius of the end of the soup inlet 110 far away from the first mold plate 100 is smaller, and the radius of the end close to the first mold plate 100 is larger, so that iron liquid can be more intensively injected into the soup inlet 110, and the phenomenon of iron liquid splashing can be avoided, thereby improving the production safety, and then the iron liquid can be rapidly introduced into the runner 200 through the tapered structure, so that the introduction effect is good, thereby being beneficial to ensuring the normal operation of iron ring casting, and further ensuring the quality of the finished iron ring casting.

In order to facilitate the installation and the detachment of the first template 100 and the second template 300 by an operator, as a further preferable scheme, the first nut is a wing nut. The second nut is a butterfly nut. Specifically, first nut and second nut all adopt the butterfly nut, and the appearance of butterfly nut is the butterfly form, and the operating personnel wrench movement of being convenient for operating personnel can install first nut on first bolt and take off from first bolt more comfortably conveniently, and likewise, operating personnel also can install the second nut on the second bolt and take off from the second bolt more comfortably conveniently, and the butterfly nut has easy installation and the pleasing to the eye advantage of wholeness, obtains wide application.

Further, for better extraction of the iron ring casting, the inner side wall of the iron ring model 400 is provided with an anti-sticking coating. It can be understood that the anti-sticking coating is a material with chemical resistance and anti-sticking performance, and the anti-sticking coating is arranged on the inner side wall of the iron ring model 400, so that the anti-sticking effect can be achieved, the iron ring casting can be better taken out after being formed, and for example, the anti-sticking coating is made of Teflon.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides an iron ring sand type casting mould which characterized in that includes:

2. The iron ring sand casting mold according to claim 1, further comprising a locking assembly, wherein the locking assembly comprises a first bolt and a first nut, the first template is provided with a first through hole, the second template is provided with a second through hole, the second through hole is matched with the first through hole, and the first bolt penetrates through the first through hole and the second through hole to be in threaded connection with the first nut.

3. The sand casting mold for iron rings according to claim 2, wherein said locking assembly further comprises a second bolt and a second nut, said first mold plate has a third through hole, said third through hole has a radius smaller than that of said first through hole, said second mold plate has a fourth through hole, said fourth through hole has a radius smaller than that of said second through hole, said fourth through hole is adapted to said third through hole, and said second bolt passes through said third through hole and said fourth through hole and is threadedly coupled to said second nut.

4. The sand casting mold for iron rings according to claim 1, wherein a plurality of the first exhaust holes are provided at both sides of the runner.

5. The sand casting mold for iron rings according to claim 1, wherein a plurality of the second exhaust holes are provided at one side of the iron ring pattern.

6. The sand casting mold for iron rings according to claim 1, wherein the first mold plate is provided with a plurality of third vent holes, the radius of each third vent hole is larger than that of the first vent hole, and the third vent holes are disposed on both sides of the runner.

7. The sand casting mold for iron rings according to claim 1, wherein the radius of the soup inlet is gradually reduced from an end close to the first pattern plate to an end far from the first pattern plate.

8. The sand casting mold for iron rings according to claim 2, wherein said first nut is a wing nut.

9. The sand casting mold for iron rings according to claim 3, wherein said second nut is a wing nut.

10. The sand casting mold for iron rings as recited in claim 1, wherein an inner side wall of said iron ring mold is provided with an anti-sticking coating.