Casting mold of automobile pressure plate casting suitable for vertical line production

Abstract

The invention discloses an automobile pressure plate casting casting mold suitable for vertical line production, which comprises a pouring basin, a pouring gate assembly is connected below the pouring basin, the pouring gate assembly comprises a first vertical pouring gate, a second vertical pouring gate, a first transverse pouring gate, a second transverse pouring gate and an inclined pouring gate, the upper end of the first vertical pouring gate is communicated with the pouring basin, and the lower end of the first vertical pouring gate is communicated with the inclined pouring gate; the lower end of the inclined pouring gate is communicated with a second vertical pouring gate, a first transverse pouring gate is arranged at the joint of the first vertical pouring gate and the inclined pouring gate, a second transverse pouring gate is arranged at the bottom end of the second vertical pouring gate, and the two ends of the first transverse pouring gate and the two ends of the second transverse pouring gate are communicated with cavities used for casting castings. By arranging the inclined pouring gate, the first reverse lap joint and the second reverse lap joint, molten iron is effectively buffered, the inclined pouring gate enables castings at the two ends of the first transverse pouring gate and the second transverse pouring gate to be staggered in space, the interval between the castings is reduced, the castings are compactly arranged, and the occupied space is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of automobile pressure plate casting, in particular to a casting mould suitable for automobile pressure plate castings produced on a vertical line. Background Art

[0002] The Chinese patent published with announcement number: CN220560370U is specifically a casting mold and a casting system for vertically producing scroll compressor balance blocks, including a pouring cup and at least two straight runners, the straight runners are connected to the pouring cup, and the straight runners are provided with a plurality of small cross runners from bottom to top, the ends of the small cross runners are connected to a molding part, the modulus of the small cross runners is smaller than the modulus of the molding part, the molding part is provided with at least two cavities, and the height between each of the small cross runners and each of the connected cavities is equal; the device realizes one mold and multiple parts, improves the casting yield, and saves production costs.

[0003] However, in this device, when the molten iron passes through the straight runner, the flow rate is too fast due to the lack of buffer, which easily causes defects such as pores and sand holes in the castings. In addition, the layout of the straight runner makes the spacing between each casting large, and the space utilization rate is not high, which reduces the output rate and increases the production cost. Summary of the invention

[0004] The object of the present invention is to provide a casting mold suitable for automobile pressure plate castings produced on a vertical line. The molten iron is buffered by arranging an inclined runner, a first reverse overlap and a second reverse overlap. The arrangement of the inclined runner allows the castings to be staggered with each other, thereby improving space utilization and solving the problems in the prior art.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A casting mold suitable for automobile pressure plate castings produced on a vertical line, comprising a pouring basin, a runner assembly is connected below the pouring basin, the runner assembly comprises a first vertical runner, a second vertical runner, a first horizontal runner, a second horizontal runner and an inclined runner, the upper end of the first vertical runner is connected to the pouring basin, the lower end is connected to the inclined runner, the lower end of the inclined runner is connected to the second vertical runner, a first horizontal runner is provided at the connection between the first vertical runner and the inclined runner, a second horizontal runner is provided at the bottom end of the second vertical runner, and both ends of the first horizontal runner and the second horizontal runner are connected to a cavity for casting the casting.

[0007] Preferably, the angles between the inclined runner and the first vertical runner and the second vertical runner are all in the range of 120° to 140°.

[0008] Preferably, a first reverse overlap is provided at one end of the first vertical runner close to the first horizontal runner, and a second reverse overlap is provided at one end of the second vertical runner close to the second horizontal runner.

[0009] Preferably, a pouring riser is provided at the connection between the first runner, the second runner and the cavity.

[0010] Preferably, a filter sheet is provided between the pouring basin and the first vertical runner.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] The present invention effectively buffers molten iron by arranging an oblique runner, a first reverse overlap and a second reverse overlap, thereby preventing the molten iron from forming defects such as pores and sand holes in the casting after entering the mold cavity. By arranging the oblique runner, the castings at both ends of the first horizontal runner and the second horizontal runner are staggered in space, thereby reducing the intervals between the castings, making the castings compactly arranged, reducing the occupied space, effectively improving the overall output rate, and reducing the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic plan view of the overall structure of the present invention;

[0014] Figure 2 It is a first axonometric view of the overall structure of the present invention;

[0015] Figure 3 It is the second axonometric view of the overall structure of the present invention.

[0016] In the figure: 1, pouring basin; 2, filter sheet; 3, first vertical runner; 4, second vertical runner; 5, first horizontal runner; 6, second horizontal runner; 7, inclined runner; 8, casting; 9, first reverse overlap; 10, second reverse overlap; 11, pouring riser. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] In order to solve the problems in the prior art that the molten iron cannot be effectively buffered, the castings are arranged in a scattered manner, and the space utilization rate is not high, the following technical solutions are provided. Please refer to Figure 1-3 ;

[0019] A casting mold suitable for automobile pressure plate castings produced on a vertical line, comprising a pouring basin 1, the pouring basin 1 receives the molten metal poured in by a ladle, and guides the molten metal poured by the ladle into a first vertical runner 3, a runner assembly is connected below the pouring basin 1, the runner assembly comprises a first vertical runner 3, a second vertical runner 4, a first horizontal runner 5, a second horizontal runner 6 and an inclined runner 7, a filter sheet 2 is provided between the pouring basin 1 and the first vertical runner 3, and the filter sheet 2 is used for preliminarily filtering loose sand and slag in the molten iron; the lower end of the first vertical runner 3 is connected to the inclined runner 7, the lower end of the inclined runner 7 is connected to the second vertical runner 4, a first horizontal runner 5 is provided at the connection between the first vertical runner 3 and the inclined runner 7, a second horizontal runner 6 is provided at the bottom end of the second vertical runner 4, and a cavity for casting a casting 8 is connected at both ends of the first horizontal runner 5 and the second horizontal runner 6.

[0020] The angles between the inclined runner 7 and the first vertical runner 3 and the second vertical runner 4 are all between 120° and 140°. The inclined runner 7 can provide a certain buffer to the molten iron while ensuring the flow rate of the molten iron, thereby preventing the casting 8 from having air holes and sand holes. At the same time, the setting of the inclined runner 7 makes the upper and lower layers of the mold cavity staggered in space, making the casting 8 more compact, increasing the output rate and reducing costs.

[0021] A first reverse lap 9 is provided at one end of the first vertical runner 3 close to the first horizontal runner 5, and a second reverse lap 10 is provided at one end of the second vertical runner 4 close to the second horizontal runner 6. The first reverse lap 9 and the second reverse lap 10 can slow down the flow rate of molten iron, reduce static pressure and perform secondary filtration on slag.

[0022] A pouring riser 11 is provided at the connection between the first runner 5 and the second runner 6 and the mold cavity. The pouring riser 11 is used to store molten iron and compensate the shrinkage of the casting 8 to prevent holes, cracks or other defects from forming in the casting 81.

[0023] A certain amount of antimony and tin elements need to be added to the molten iron to ensure that the tensile strength meets the requirements. C: 2.9%-3.4%, Si: 1.5%-2.6%, Mn: <0.6%-1.1%, S: <0.06%-0.12%, P: <0.15%, the alloying element tin is controlled within 0.15%, and antimony is controlled within 0.1%; the molten iron pouring temperature is greater than 1430 for pouring, the sand box cooling time is about 50 minutes, and the mechanical properties tensile strength is greater than 250-350MPa.

[0024] Working principle: After the molten iron enters the pouring basin 1, it is filtered by the filter sheet 2. The pure molten iron first enters the first vertical runner 3, and after passing through the first reverse overlap 9, it enters the upper cavity through the first horizontal runner 5 to complete the filling of the casting 8. The remaining molten iron continues to enter the inclined runner 7 downward, and after being buffered by the inclined runner 7 and filtered by the second reverse overlap 10, it enters the lower two cavities through the second horizontal runner 6 to complete the filling.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] While the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims

1. A casting mould for automobile platen castings suitable for vertical production, comprising a pouring basin (1), characterized in that: The pouring basin (1) is connected to a runner assembly below, and the runner assembly includes a first vertical runner (3), a second vertical runner (4), a first horizontal runner (5), a second horizontal runner (6) and an inclined runner (7). The upper end of the first vertical runner (3) is connected to the pouring basin (1), and the lower end is connected to the inclined runner (7). The lower end of the inclined runner (7) is connected to the second vertical runner (4). A first horizontal runner (5) is provided at the connection between the first vertical runner (3) and the inclined runner (7). A second horizontal runner (6) is provided at the bottom end of the second vertical runner (4). Both ends of the first horizontal runner (5) and the second horizontal runner (6) are connected to a cavity for casting a casting (8).

2. A casting mold for automobile pressure plate castings suitable for vertical line production according to claim 1, characterized in that: The included angles between the inclined runner (7) and the first vertical runner (3) and the second vertical runner (4) are all in the range of 120° to 140°.

3. A casting mold for automobile pressure plate castings suitable for vertical line production according to claim 2, characterized in that: A first reverse overlap (9) is provided at one end of the first vertical runner (3) close to the first horizontal runner (5), and a second reverse overlap (10) is provided at one end of the second vertical runner (4) close to the second horizontal runner (6).

4. A casting mold for automobile pressure plate castings suitable for vertical line production according to claim 3, characterized in that: A pouring riser (11) is provided at the connection between the first horizontal runner (5) and the second horizontal runner (6) and the mold cavity.

5. The casting mold for automobile pressure plate castings suitable for vertical production line according to claim 4, characterized in that: A filter sheet (2) is provided between the pouring basin (1) and the first vertical pouring channel (3).

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