Low-pressure casting mold for high-voltage switch circuit breaker base

Abstract

The utility model discloses a low-pressure casting mold for a high-voltage switch circuit breaker base. The low-pressure casting mold comprises a lower mold, an upper mold matched with the lower mold and an iron core installed in the lower mold. The flange forming die is characterized in that flange forming blocks facilitating forming of different shapes are detachably mounted in the upper die; and the flange forming blocks are symmetrically mounted in the upper die and are provided with positioning mounting steps. The flange forming blocks in different shapes are detachably mounted in the upper die, and the flange forming blocks in different shapes can be replaced according to different flange structures, so that the production efficiency is improved, and subsequent processing is not needed; the flange forming block is positioned and mounted in the upper die through the positioning and mounting step, so that positioning and mounting of the flange forming block are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of low-pressure casting molds, in particular to a low-pressure casting mold for a high-voltage switch breaker base. Background Art

[0002] High-voltage switch breaker bases are often produced using a low-pressure casting mold as a single piece. However, the high-voltage switch breaker base requires flange structures of varying shapes for different operating conditions. Existing techniques involve casting the flange structure on the high-voltage switch breaker base to its maximum size and then processing it into different flange structures. This increases the production process and reduces production efficiency. Therefore, a low-pressure casting mold for the high-voltage switch breaker base is proposed to improve production efficiency. Summary of the Invention

[0003] The purpose of the utility model is to solve the above problems and to provide a low-pressure casting mold for a high-voltage switch breaker base.

[0004] In order to achieve the above-mentioned purpose, the present invention provides the following technical solution: a low-pressure casting mold for a high-voltage switch circuit breaker base, comprising a lower mold, an upper mold adapted to the lower mold, and an iron core installed in the lower mold; the characteristic is that a flange forming block that is convenient for forming different shapes can be detachably installed in the upper mold; the flange forming blocks are symmetrically installed in the upper mold and are each provided with a positioning installation step.

[0005] Preferably, a positioning installation groove is provided in the upper mold to facilitate the positioning installation of the flange forming block and to match the positioning installation step.

[0006] Preferably, the flange forming block is further provided with a plurality of screw through holes for fixing it.

[0007] Preferably, the lower mold is provided with a runner; and a plurality of inlet gates are provided between the runner and the mold cavity.

[0008] Preferably, the lower mold is further provided with a liquid inlet communicating with the flow channel.

[0009] Preferably, an ejector plate is slidably mounted on the upper die; an ejector rod for ejecting the product is mounted on the ejector plate.

[0010] The beneficial effects of the utility model are as follows: by detachably installing flange forming blocks of different shapes in the upper mold, flange forming blocks of different shapes can be replaced according to different flange structures, thereby improving production efficiency and eliminating the need for subsequent processing;

[0011] The flange forming block is positioned and installed in the upper die by utilizing the positioning and installation steps, thereby facilitating the positioning and installation of the flange forming block. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural diagram of the present utility model.

[0013] Figure 2 It is a partial cross-sectional view of the present utility model.

[0014] Figure 3 It is a partial structural diagram of the utility model.

[0015] Figure 4 It is a structural schematic diagram of the upper die of the utility model.

[0016] Figure 5 It is a structural schematic diagram of the flange forming block of the utility model.

[0017] Figure 6 It is a structural schematic diagram of another structure of the flange forming block of the utility model.

[0018] Legend: 1. Lower mold; 101. Liquid inlet; 102. Runner; 103. Gate; 2. Upper mold; 201. Positioning and mounting groove; 3. Iron core; 4. Flange forming block; 401. Positioning and mounting step; 402. Screw hole; 5. Ejector plate; 501. Ejector rod. DETAILED DESCRIPTION

[0019] Next, we will further explain the low-pressure casting mold for a high-voltage switch breaker base according to the present invention with reference to the accompanying drawings.

[0020] It should be noted that all directional indications in the embodiments of the present invention, such as up, down, left, right, front, back, etc., are only used to explain the relative position relationship, movement status, etc. between the various components in a certain specific posture as shown in the accompanying drawings. If the specific posture changes, the directional indication will also change accordingly.

[0021] See attached Figure 1-5 As shown, in this embodiment, a low-pressure casting mold for a high-voltage switch circuit breaker base includes a lower mold 1, an upper mold 2 adapted to the lower mold 1, and an iron core 3 installed in the lower mold 1; the characteristic is that a flange forming block 4 that is convenient for molding different shapes can be detachably installed in the upper mold 2; the flange forming blocks 4 are symmetrically installed in the upper mold 2 and are both provided with positioning and installation steps 401; the lower mold 1 is assembled by two lower modules that are symmetrical on the left and right; by detachably installing the flange forming blocks 4 of different shapes in the upper mold 2, flange forming blocks 4 of different shapes can be replaced according to different flange structures, thereby improving production efficiency and eliminating the need for subsequent processing; the flange forming blocks 4 are positioned and installed in the upper mold 2 by utilizing the positioning and installation steps 401, thereby facilitating the positioning and installation of the flange forming blocks 4.

[0022] See attached Figure 4-6 As shown, the upper mold 2 is provided with a positioning installation groove 201 that is convenient for positioning and installing the flange forming block 4 and is adapted to the positioning installation step 401; the flange forming block 4 is also provided with a plurality of screw through holes 402 for fixing it; by installing the positioning installation step 401 of the flange forming block 4 into the positioning installation groove 201 of the upper mold 2, and passing the screws through the screw through holes 402 on the flange forming block 4 to connect it to the upper mold 2, the flange forming block 4 is positioned and installed in the upper mold 2, thereby facilitating the installation of the flange forming block 4.

[0023] See attached Figure 1 As shown, the lower mold 1 is provided with a runner 102; a plurality of inlet gates 103 are provided between the runner 102 and the mold cavity; the lower mold 1 is also provided with a liquid inlet 101 communicating with the runner 102; an ejector plate 5 is slidably mounted on the upper mold 2; an ejector rod 501 for ejecting the product is mounted on the ejector plate 5; the molded product is ejected by utilizing the ejector rod 501, thereby facilitating the ejection and demolding of the product.

[0024] The use process of the present invention is as follows: first, the mold is installed on the low-pressure casting equipment, and the two lower modules of the lower mold 1 are pushed to assemble by the hydraulic cylinder on the low-pressure casting equipment, and then the iron core 3 is installed in the lower mold 1, and then the low-pressure casting equipment drives the upper mold 2 to move and close the mold with the lower mold 1, and then compressed air is input into the crucible of liquid metal. As the pressure in the crucible increases, the liquid metal in the crucible is pushed to move upward and is transported to the inside of the mold cavity through the liquid inlet 101, the runner 102 and the inlet gate 103 in sequence, and after the formed casting is solidified, the pressure is released, and the low-pressure casting equipment drives the upper mold 2 to move upward to open the mold, and then the hydraulic cylinder on the low-pressure casting equipment drives the two lower modules of the lower mold 1 to move to both sides respectively. At the same time, the ejector rod on the low-pressure casting equipment will push the ejector plate 5 to move, and the ejector plate 5 drives the ejector rod 501 to move downward to eject the formed casting;

[0025] According to the different shapes of the flange on the circuit breaker base, a flange forming block 4 of the corresponding shape is installed in the upper mold 2. During installation, the positioning installation step 401 of the flange forming block 4 is installed in the positioning installation groove 201 of the upper mold 2, and screws are passed through the screw through holes 402 on the flange forming block 4 to connect it to the upper mold 2. The flange forming block 4 is positioned and installed in the upper mold 2. When it is necessary to change to another shape, it is only necessary to remove the screws to remove the flange forming block 4 from the upper mold 2, and the flange forming block 4 of other shapes can be installed according to the above method.

[0026] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention falls within the scope of protection of the present invention.

Claims

1. A low-pressure casting mold for a high-voltage switch breaker base, comprising a lower mold (1), an upper mold (2) adapted to the lower mold (1), and an iron core (3) installed in the lower mold (1); wherein the mold is characterized by: A flange forming block (4) is detachably mounted in the upper die (2) for facilitating the forming of different shapes; the flange forming blocks (4) are symmetrically mounted in the upper die (2) and are each provided with a positioning mounting step (401).

2. A low-pressure casting mold for a high-voltage switch breaker base according to claim 1, characterized in that: The upper die (2) is provided with a positioning installation groove (201) that facilitates the positioning installation of the flange forming block (4) and is adapted to the positioning installation step (401).

3. A low-pressure casting mold for a high-voltage switch breaker base according to claim 2, characterized in that: The flange forming block (4) is also provided with a plurality of screw through holes (402) for fixing it.

4. A low-pressure casting mold for a high-voltage switch breaker base according to claim 1, characterized in that: A flow channel (102) is provided on the lower mold (1); and a plurality of gates (103) are provided between the flow channel (102) and the mold cavity.

5. A low-pressure casting mold for a high-voltage switch breaker base according to claim 4, characterized in that: The lower mold (1) is also provided with a liquid inlet (101) communicating with the flow channel (102).

6. A low-pressure casting mold for a high-voltage switch breaker base according to claim 1, characterized in that: An ejector plate (5) is slidably mounted on the upper die (2); an ejector rod (501) for ejecting the product is mounted on the ejector plate (5).

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