CN219561310U

CN219561310U - Rack casting system for green sand casting

Info

Publication number: CN219561310U
Application number: CN202222698458.1U
Authority: CN
Inventors: 胡业航; 成庆瑞; 鲜康
Original assignee: Anhui Highly Precision Casting Co Ltd
Current assignee: Anhui Highly Precision Casting Co Ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-08-22
Anticipated expiration: 2032-10-13

Abstract

The utility model relates to a frame pouring system for green sand casting, belonging to the field of frame pouring. The pouring device comprises a template body, wherein a pouring cup is arranged on the template body, a horizontal pouring gate is arranged at the bottom of the pouring cup, three vertical pouring gates are arranged below the horizontal pouring gate, and feeding heads and a module casting are arranged on the vertical pouring gates. The utility model solves the problems of light weight and low yield of the existing product, the metal liquid is poured into the horizontal pouring gate through the pouring cup and enters each feeding head through the vertical pouring gate, the feeding heads adopt bottom pouring to fill and feed the module castings, the total number of the module castings is fifteen, and the fifteen module castings are staggered and discharged, so that a row of module castings is added on the basis of the original twelve, and the purpose of improving the weight of the single form is achieved; the productivity of the casting production line is fully utilized, so that the production efficiency is improved, and the large-scale production is facilitated.

Description

Rack casting system for green sand casting

Technical Field

The utility model relates to the field of frame pouring, in particular to a frame pouring system for green sand casting.

Background

The green sand is prepared from raw sand, clay, additives and water according to a certain proportion; the role of sand in the casting process is important, and the general requirements for sand are: good fluidity, certain plasticity, better air permeability and sand discharge; along with the continuous aggravation of market competition and the improvement of yield, the product cost is reduced on the premise of ensuring the product quality, which is the continuous pursuit target of each manufacturer; however, in the development process of the existing compression machine parts, on the premise of not sacrificing the yield, more modules cannot be arranged according to the conventional process, so that the existing compression machine parts have the defect of lighter weight in production, the yield of the existing products is reduced, the production efficiency is low, and the mass production is not facilitated.

Disclosure of Invention

The utility model aims to provide a rack casting system for green sand casting, which has the characteristics of improving the weight of a product unit and having lower yield, effectively improving the weight of the product unit and the production capacity of the product, and solving the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a green sand is frame gating system for casting, includes the template body, the upper end of template body surface is provided with the pouring cup that is used for pouring molten metal, and the bottom of pouring cup transversely is provided with the cross runner that is used for the molten metal circulation, and the below of cross runner is juxtaposed and is provided with three perpendicular runner, is provided with three feeding head that is used for pouring on every perpendicular runner respectively parallel arrangement, is provided with the module foundry goods that is used for the casting shaping on the feeding head;

the bottom of the vertical pouring gate is provided with a sealing head, wherein the lengths of the left vertical pouring gate and the right vertical pouring gate are identical, and the length of the middle vertical pouring gate is greater than that of the left vertical pouring gate and the right vertical pouring gate.

Preferably, the pouring cup, the cross runner, the vertical runner, the feeding head and the module casting are all arranged on the surface of the template body.

Preferably, the bottom end of the pouring cup is communicated with the inside of the cross gate, and the bottom end of the cross gate is communicated with the inside of the three vertical pouring gates.

Preferably, the interior of the module casting is in communication with the interior of the feeding head.

Preferably, fifteen module castings are arranged in total, six module castings are symmetrically arranged at two ends close to the left two feeding heads, three module castings are arranged in parallel at the inner sides close to the right feeding heads, and the fifteen module castings are distributed in a staggered mode.

Preferably, the depth of the inside of the module casting is 22mm, the diameter of the upper end port of the module casting is 27mm, and the draft angle is 2-3 degrees.

Compared with the prior art, the utility model has the following beneficial effects:

according to the frame pouring system for green sand casting, the pouring cup is used for pouring molten metal into the transverse pouring gate, and the transverse pouring gate can remove scattered sand and slag in the molten metal as much as possible during conveying and pouring, so that the quality of a product is improved; the molten metal enters the vertical pouring gate through the horizontal pouring gate, then enters each feeding riser by utilizing the vertical pouring gate, and the feeding riser adopts bottom pouring to perform mold filling and feeding on the module casting, so that the molten iron with turbulent primary stage can stably enter the cavity, and the product can be fed by utilizing stronger feeding capability of the molten iron, so that the shrinkage cavity problem of the product is solved, and the process yield of the product is improved; the total number of the module castings is fifteen, and the fifteen module castings are staggered and arranged, so that a row of module castings is added on the basis of the original twelve module castings, and the purpose of improving the weight of a single die is achieved; the productivity of the casting production line is fully utilized, so that the production efficiency is improved, and the large-scale production is facilitated.

Drawings

FIG. 1 is a perspective and front schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic plan view of the overall structure of the present utility model;

fig. 3 is a schematic plan rear view of the overall structure of the present utility model.

In the figure: 1. a template body; 2. a pouring cup; 3. a cross gate; 4. a vertical pouring channel; 5. feeding riser; 6. a module casting; 41. and (5) sealing the head.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order to solve the problems of light weight and low product throughput of the existing product unit and improve the product unit weight and product throughput, referring to fig. 1-3, the present embodiment provides the following technical solutions:

the utility model provides a green sand is frame gating system for casting, includes template body 1, and the upper end on template body 1 surface is provided with the pouring cup 2 that is used for throwing in pouring molten metal, and the bottom of pouring cup 2 transversely is provided with the cross gate 3 that is used for molten metal circulation, and the below of cross gate 3 is juxtaposed and is provided with three perpendicular runner 4 perpendicularly, is provided with three feeding head 5 that are used for the pouring on every perpendicular runner 4 respectively parallel arrangement, is provided with the module foundry goods 6 that are used for the pouring shaping on the feeding head 5.

Specifically, pouring molten metal into a horizontal pouring gate 3 through a pouring cup 2, enabling the molten metal to enter a vertical pouring gate 4 through the horizontal pouring gate 3, enabling the molten metal to enter each feeding riser 5 through the vertical pouring gate 4, filling and feeding module castings 6 by bottom pouring through the feeding risers 5, wherein fifteen module castings 6 are in total, and the fifteen module castings 6 are arranged in a staggered mode, so that a row of module castings 6 is added on the basis of the original twelve module castings, and the purpose of lifting the weight of a single type is achieved; the productivity of the casting production line is fully utilized, so that the production efficiency is improved, and the large-scale production is facilitated.

The pouring cup 2, the cross runner 3, the vertical runner 4, the feeding head 5 and the module casting 6 are all arranged on the surface of the template body 1.

It should be noted that, set up it on the surface of template body 1, the distribution of mainly being convenient for module foundry goods 6 and cross gate 3 and vertical runner 4 is put, improves the stability when its pouring.

The bottom end of the pouring cup 2 is communicated with the inside of the transverse pouring channel 3, and the bottom end of the transverse pouring channel 3 is communicated with the inside of the three vertical pouring channels 4.

The size and the height of the pouring cup 2 are 55mm, and the small pouring cup 2 with the size and the height of 55mm is used, so that stable pouring can be realized, and the product yield can be improved; the horizontal pouring channel 3 is mainly used for conveying molten metal used in pouring, and meanwhile, loose sand and slag in the molten metal are removed as much as possible; the vertical pouring gate 4 forms an overlapped part with the horizontal pouring gate 3, the overlapped position can change the flowing direction of molten iron, the probability of loose sand and slag entering a casting cavity can be controlled by controlling the overlapped area, and the product yield is further improved.

The bottom end of the vertical pouring channel 4 is provided with a sealing head 41, wherein the lengths of the left vertical pouring channel 4 and the right vertical pouring channel 4 are identical, and the length of the middle vertical pouring channel 4 is larger than that of the left vertical pouring channel 4 and the right vertical pouring channel 4.

The sealing head 41 is mainly used for sealing one end of the sprue 4 far away from the runner 3 to prevent the poured molten metal from flowing out of the bottom end of the sprue 4; the lengths of the left vertical pouring gate 4 and the right vertical pouring gate 4 are smaller than the length of the middle vertical pouring gate 4, so that the subsequent fifteen module castings 6 are mainly convenient to be staggered and discharged, and the weight of a product single type and the demolding efficiency of the product are improved.

The inside of the module casting 6 and the inside of the feeding head 5 are communicated with each other.

It should be noted that, the feeding head 5 fills the mould and feeds the module casting 6 by adopting bottom pouring, and the process adopts a bottom pouring water mode, so that not only the molten iron with turbulent primary stage can stably enter the cavity, but also the product can be fed by utilizing stronger feeding capability, so that the shrinkage cavity problem of the product is solved, and the process yield of the product is improved.

Fifteen module castings 6 are arranged in total, six module castings 6 are symmetrically arranged at two ends close to the left two feeding heads 5, three module castings 6 are arranged in parallel at the inner side close to the right feeding head 5, and the fifteen module castings 6 are distributed in a staggered mode.

It should be noted that fifteen module castings 6 can be staggered and arranged on the premise of not changing the area of the template body 1 and not sacrificing the yield, so that a row of module castings 6 is added on the basis of the prior art, and the purpose of increasing the weight of a single type is achieved.

The depth inside the die casting 6 was 22mm, the diameter of the upper end port of the die casting 6 was 27mm, and the draft angle was 2 to 3 °.

The slot hole position of the conventional module casting 6 is easy to stick sand and difficult to be lifted, and the specification data of the conventional module casting 6 is changed into the data, so that the defect that sand is easy to stick and difficult to be lifted is prevented from appearing again, and the precision of lifting is improved.

Working principle: pouring molten metal into the transverse pouring gate 3 through the pouring cup 2, wherein the transverse pouring gate 3 can remove scattered sand and slag in the molten metal as much as possible during conveying and pouring, so that the quality of the produced product is improved; the molten metal enters the vertical pouring gate 4 through the horizontal pouring gate 3, and enters the feeding riser 5 through the vertical pouring gate 4, and the feeding riser 5 adopts bottom pouring to fill and feed the module casting 6, so that the molten iron with the primary stage turbulence can stably enter the cavity, and the product can be fed by utilizing the stronger feeding capability of the molten iron, so that the shrinkage cavity problem of the product is solved, and the craft yield of the product is improved; the total number of the module castings 6 is fifteen, and the fifteen module castings 6 are staggered and arranged, so that a row of module castings 6 are added on the basis of the original twelve, and the purpose of lifting the weight of a single die is achieved; the productivity of the casting production line is fully utilized, so that the production efficiency is improved, and the large-scale production is facilitated.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a green sand casting is with frame gating system, includes template body (1), its characterized in that: the pouring device is characterized in that a pouring cup (2) for pouring molten metal is arranged at the upper end of the surface of the template body (1), a transverse runner (3) for circulating molten metal is transversely arranged at the bottom of the pouring cup (2), three vertical runners (4) are arranged below the transverse runner (3) in parallel and vertically, three feeding heads (5) for pouring are respectively arranged on each vertical runner (4) in parallel, and a module casting (6) for pouring molding is arranged on each feeding head (5);

the bottom of the vertical pouring gate (4) is provided with a sealing head (41), wherein the lengths of the left vertical pouring gate and the right vertical pouring gate (4) are identical, and the length of the middle vertical pouring gate (4) is greater than that of the left vertical pouring gate and the right vertical pouring gate (4).

2. A green sand casting rack casting system according to claim 1, wherein: the pouring cup (2), the horizontal pouring gate (3), the vertical pouring gate (4), the feeding head (5) and the module casting (6) are all arranged on the surface of the template body (1).

3. A green sand casting rack casting system according to claim 1, wherein: the bottom of the pouring cup (2) is communicated with the inside of the transverse pouring gate (3), and the bottom of the transverse pouring gate (3) is communicated with the inside of the three vertical pouring gates (4).

4. A green sand casting rack casting system according to claim 1, wherein: the inside of the module casting (6) is communicated with the inside of the feeding head (5).

5. A green sand casting rack casting system according to claim 1, wherein: fifteen module castings (6) are arranged in total, six module castings (6) are symmetrically arranged at two ends, close to the left two feeding risers (5), of the module castings, three module castings (6) are arranged in parallel at the inner sides, close to the right feeding risers (5), of the module castings, and the fifteen module castings (6) are distributed in a staggered mode.

6. A green sand casting rack casting system according to claim 1, wherein: the depth of the inside of the module casting (6) is 22mm, the diameter of the upper end port of the module casting (6) is 27mm, and the draft angle is 2-3 degrees.