A pump housing blank casting mold

Abstract

A kind of pump shell rough casting mould, including upper die (1), lower die (2) and core-pulling block (3), lower die (2) is opened with pouring lower groove (4) and closing groove (5), guiding groove (6) is opened in closing groove (5), lower part forming groove (7) of cylinder is opened in the middle of closing groove (5), guiding block (8) is provided in the bottom of core-pulling block (3), end face forming groove (9) is opened in one end of core-pulling block (3);Advantages are: manual mould gravity casting, pouring rhythm is fast, efficiency is high, mould cost is low, change type is fast.

Description

Technical Field

[0001] This utility model relates to the field of casting molds, specifically to a casting mold for a pump housing blank. Background Technology

[0002] Currently, there is a lack of dedicated casting molds for the 0082 type brake cylinder of Chongqing Zhangxue Locomotive Co., Ltd., in order to solve the problems of low efficiency and high cost of existing molds. Utility Model Content

[0003] The purpose of this utility model is to address the above-mentioned shortcomings by providing a casting mold for a pump housing blank.

[0004] This utility model includes an upper mold, a lower mold, and a core-pulling block. The lower mold has a casting groove and a mold closing groove. The mold closing groove has a guide groove. The middle of the mold closing groove has a cylinder body lower forming groove. The bottom of the core-pulling block has a guide block. One end of the core-pulling block has an end face forming groove. The bottom of the core-pulling block has a cylinder body upper forming groove that works with the cylinder body lower forming groove. The core-pulling block is installed on the top surface of the lower mold. The guide block is located in the guide groove. The bottom of the upper mold has a casting groove and a core-pulling receiving groove. The core-pulling receiving groove has a jaw forming groove. The upper mold is installed on the lower mold. The upper part of the core-pulling block is located in the core-pulling receiving groove.

[0005] A set of lower column forming grooves are distributed in a ring on the mold closing groove, with the lower forming groove of the cylinder as the center.

[0006] The end face forming groove is provided with a marking protrusion, and the marking protrusion is provided with a product model marking groove.

[0007] A top column forming groove is provided on one side of the jaw forming groove.

[0008] After the upper and lower molds are closed, the upper and lower casting channels are combined to form a funnel-shaped casting channel.

[0009] The end face forming groove and the upper forming groove of the cylinder are connected.

[0010] Both the upper and lower molds are rectangular.

[0011] The advantages of this invention are: manual mold gravity casting, fast casting cycle, high efficiency, low mold cost, and quick mold changeover. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model after mold closing.

[0013] Figure 2 This is a schematic diagram of the structure of the casting and molding process of this utility model, showing the removal of the upper mold.

[0014] Figure 3 This is a front structural diagram of the core-pulling block of this utility model installed on the lower mold.

[0015] Figure 4 This is a structural schematic diagram of the lower mold of this utility model.

[0016] Figure 5 This is a schematic diagram of the back structure of the core-pulling block of this utility model installed on the lower mold.

[0017] Figure 6 This is a schematic diagram of the upper structure of the core-pulling block of this utility model.

[0018] Figure 7 This is a schematic diagram of the lower structure of the core-pulling block of this utility model.

[0019] Figure 8 This is a schematic diagram of the structure of the core-pulling block of this utility model.

[0020] Figure 9 This is a schematic diagram of the bottom structure of the upper mold of this utility model.

[0021] Figure 10 This is a schematic diagram of the structure of the pump housing blank of this utility model. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0024] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0025] In the description of the embodiments of this invention, it should be noted that if terms such as "upper," "lower," "inner," or "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use, they are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, if terms such as "first" or "second" appear in the description of this invention, they are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0026] In the description of the embodiments of the present invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in the present invention based on the specific circumstances.

[0027] As shown in the attached diagram, this utility model includes an upper mold 1, a lower mold 2, and a core-pulling block 3. The lower mold 2 has a casting groove 4 and a mold closing groove 5. The mold closing groove 5 has a guide groove 6. The middle of the mold closing groove 5 has a cylinder body lower forming groove 7. The bottom of the core-pulling block 3 is provided with a guide block 8. One end of the core-pulling block 3 has an end face forming groove 9. The bottom of the core-pulling block 3 has a cylinder body upper forming groove 10 that cooperates with the cylinder body lower forming groove 7. The core-pulling block 3 is installed on the top surface of the lower mold 2. The guide block 8 is located in the guide groove 6. The bottom of the upper mold 1 has a casting groove 11 and a core-pulling receiving groove 12. The core-pulling receiving groove 12 has a jaw forming groove 13. The upper mold 1 is installed on the lower mold 2. The upper part of the core-pulling block 3 is located in the core-pulling receiving groove 12.

[0028] A set of lower column forming grooves 14 are arranged in a ring around the forming groove 7 at the bottom of the cylinder body and on the mold closing groove 5.

[0029] The end face forming groove 9 is provided with a marking protrusion 15, and the marking protrusion 15 is provided with a product model marking groove. During casting, the product model marking groove makes a row of raised product model markings on the pump housing blank 100.

[0030] A top column forming groove 16 is provided on one side of the jaw forming groove 13.

[0031] After the upper mold 1 and the lower mold 2 are closed, the upper casting groove 11 and the lower casting groove 4 are combined to form a funnel-shaped casting groove.

[0032] The end face forming groove 9 and the upper cylinder forming groove 10 are connected.

[0033] Both the upper mold 1 and the lower mold 2 are rectangular molds.

[0034] Example 1: Install the core-pulling block 3 on the top surface of the lower mold 2, close the upper mold 1 with the lower mold 2, pour the molten metal into the funnel-shaped casting groove, and connect the lower forming groove 7 of the cylinder body and the jaw forming groove 13 through the end face forming groove 9. After casting is completed and cooled, open the upper mold 1, pull out the core-pulling block 3, and the pump housing blank 100 can be taken out. After cutting off the excess part of the cylinder, subsequent processing can be carried out.

[0035] The guide columns in different positions are cast by three lower column forming grooves 14 and one upper column forming groove 16, so that the guide columns are set on the shell of the pump housing blank 100 according to the product design requirements.

Claims

1. A split pump housing blank casting mold characterized by Includes an upper mold (1), a lower mold (2), and a core-pulling block (3). The lower mold (2) has a casting groove (4) and a mold closing groove (5). The mold closing groove (5) has a guide groove (6). The middle part of the mold closing groove (5) has a cylinder body lower forming groove (7). The bottom of the core-pulling block (3) has a guide block (8). One end of the core-pulling block (3) has an end face forming groove (9). The bottom of the core-pulling block (3) has a cylinder body upper forming groove (10) that works with the cylinder body lower forming groove (7). The core-pulling block (3) is installed on the top surface of the lower mold (2). The guide block (8) is located in the guide groove (6). The bottom of the upper mold (1) has a casting groove (11) and a core-pulling receiving groove (12). The core-pulling receiving groove (12) has a jaw forming groove (13). The upper mold (1) is installed on the lower mold (2). The upper part of the core-pulling block (3) is located in the core-pulling receiving groove (12).

2. A pump casing blank casting mould according to claim 1, characterised in that A set of lower column forming grooves (14) are arranged in a ring on the mold closing groove (5) with the lower forming groove (7) of the cylinder as the center.

3. The casting mold for a pump housing blank according to claim 1, characterized in that, The end face forming groove (9) is provided with a marking protrusion (15), and the marking protrusion (15) is provided with a product model marking groove.

4. The casting mold for a pump housing blank according to claim 1, characterized in that, A top column forming groove (16) is provided on one side of the jaw forming groove (13).

5. The casting mold for a pump housing blank according to claim 1, characterized in that, After the upper mold (1) and the lower mold (2) are closed, the upper trough (11) and the lower trough (4) are poured to form a funnel-shaped pouring trough.

6. The casting mold for a pump housing blank according to claim 1, characterized in that, The end face forming groove (9) and the upper cylinder forming groove (10) are connected.

7. The casting mold for a pump housing blank according to claim 1, characterized in that, Both the upper mold (1) and the lower mold (2) are rectangular molds.

Images