Horizontal line casting mold for combined sand core steering gear shell

Abstract

The utility model discloses a horizontal line casting mold for a combined sand core steering gear shell, which comprises a sprue base, a transverse pouring gate is connected with the sprue base in the transverse direction, four casting units are connected with the transverse pouring gate, and each casting unit comprises an auxiliary riser water inlet pressing edge and a main riser water inlet pressing edge which are connected with the transverse pouring gate. An auxiliary riser and a main riser are arranged at the tail end of the auxiliary riser water inlet pressing edge and the tail end of the main riser water inlet pressing edge respectively, a horizontally-arranged casting is arranged between the auxiliary riser and the main riser, a sand core is arranged in the casting, and a lower die main core head and an upper die main core head which are used for fixing and clamping are arranged under and over the exposed end of the sand core respectively. A first auxiliary core head and a second auxiliary core head which are used for auxiliary supporting are arranged on the two transverse sides of the casting correspondingly; according to the utility model, the one-mold four-piece steering gear shell is realized on a horizontal production line, the production efficiency is improved, the core setting stability is improved, and the beneficial effects of improving the casting quality and reducing the production cost are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of casting molds for automobile steering gear housings, and more specifically, to a horizontal casting mold for a combined core steering gear housing. Background Technique

[0002] The automobile steering gear housing is one of the main parts of the automobile steering gear and belongs to an important part of the automobile steering system. The automobile steering gear is used to amplify the torque applied by the driver on the steering wheel, reduce the speed, and then transmit it to the steering transmission mechanism.

[0003] The main function of the steering gear is to increase the force transmitted from the steering wheel to the steering drag link and change the direction of force transmission. The function of the steering gear housing is to keep the steering device in a stable and sealed environment. Therefore, the sealing performance of the steering gear housing is required to be relatively high. At present, the production of steering gear housings mainly adopts the method of core casting.

[0004] However, due to the limitations of the process adopted by the vertical production line in the production of some combined core steering gear housings at present, only vertical feeding, vertical core setting, and the placement of risers and products are greatly restricted. There are also defects such as low utilization rate of the pattern plate, restricted feeding of products, and unstable core setting of the combined core, resulting in a low technological yield of products on the vertical line, shrinkage porosity in some positions that cannot be compensated by risers, deviation of relevant dimensions of some cores, high production cost of products, and unstable product quality. Content of the Utility Model

[0005] In view of the above technical problems in the related art, the present utility model provides a horizontal casting mold for a combined core steering gear housing, which can overcome the above-mentioned deficiencies of the prior art.

[0006] To achieve the above technical objectives, the technical solution of the present utility model is realized as follows:

[0007] A horizontal casting mold for a combined core steering gear housing;

[0008] The horizontal casting mold for the combined core steering gear housing includes a sprue base. A horizontal runner is connected to the sprue base in the horizontal direction. Four casting units are connected to the horizontal runner. Each casting unit includes a sub-riser water inlet presser and a main-riser water inlet presser connected to the horizontal runner. The ends of the sub-riser water inlet presser and the main-riser water inlet presser are respectively provided with a sub-riser and a main-riser. A casting is horizontally placed between the sub-riser and the main-riser. A core is arranged in the cavity of the casting. A lower mold main core head and an upper mold main core head for fixing and clamping are respectively arranged directly below and directly above the exposed end of the core. First and second sub-core heads for auxiliary support are respectively arranged on the two lateral sides of the casting in the horizontal direction.

[0009] Furthermore, the lower die main core head and the upper die main core head are arranged perpendicular to the horizontal plane, and the lower die main core head and the upper die main core head are arranged in mirror symmetry along the horizontal line.

[0010] Furthermore, the lower die main core head fixes the core when setting the core, and the upper die main core head clamps the core when closing the mold.

[0011] Furthermore, the first sub-core head and the second sub-core head are arranged oppositely and are respectively arranged on both sides of the transverse direction of the casting. The first sub-core head and the second sub-core head are arranged perpendicular to the lower die main core head and the upper die main core head in space.

[0012] Furthermore, the upper left of the gate seat is the first casting unit, the upper right of the gate seat is the second casting unit, the lower right of the gate seat is the third casting unit, and the lower left of the gate seat is the fourth casting unit.

[0013] Furthermore, the first casting unit and the second casting unit are arranged in a horizontal translation relative to the cross-riser.

[0014] Furthermore, the third casting unit and the fourth casting unit are arranged in a 180° rotation around the gate seat relative to the first casting unit and the second casting unit.

[0015] Furthermore, a filter screen is arranged in the gate seat.

[0016] The beneficial effects of the present utility model: Through the optimized and improved design of the product of the present utility model, the horizontal production of the combined core diverter housing is realized, so that the production of four pieces in one mold on the horizontal production line is achieved. Compared with the original two pieces in one mold on the vertical line, the production efficiency is improved, and the core setting stability is also improved. Furthermore, the beneficial effects of improving the quality of the casting while reducing the production cost of the casting are achieved. Moreover, the casting mold of the present utility model has a simple design, a compact structure, and a high process yield. Description of the Drawings

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is a schematic diagram of the overall structure of a combined core diverter housing horizontal casting mold according to an embodiment of the present utility model;

[0019] In the figure: 1, gate seat; 2, horizontal runner; 3, sub - riser water inlet pressure edge; 4, main - riser water inlet pressure edge; 5, sub - riser; 6, main - riser; 7, first sub - core head; 8, second sub - core head; 9, lower - die main - core head; 10, upper - die main - core head; 11, sand core; 12, casting. Specific embodiments

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present invention.

[0021] It should be understood that in the description of the embodiments of the present invention, the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation on the embodiments of the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the embodiments of the present invention, the meaning of "several" is two or more, unless otherwise specifically defined.

[0022] As Figure 1 shown, a combined sand - core steering - gear - housing horizontal - line casting mold according to an embodiment of the present invention includes a gate seat 1. The gate seat 1 is horizontally connected with a horizontal runner 2. Four casting units are connected to the horizontal runner 2. Each casting unit includes a sub - riser water inlet pressure edge 3 and a main - riser water inlet pressure edge 4 connected to the horizontal runner 2. The ends of the sub - riser water inlet pressure edge 3 and the main - riser water inlet pressure edge 4 are respectively provided with a sub - riser 5 and a main - riser 6. A horizontally placed casting 12 is arranged between the sub - riser 5 and the main - riser 6. A sand core 11 is arranged in the cavity of the casting 12. A lower - die main - core head 9 and an upper - die main - core head 10 for fixing and clamping are respectively arranged directly below and directly above one end of the sand core 11 that protrudes. First sub - core heads 7 and second sub - core heads 8 for auxiliary support are respectively arranged on the two lateral sides of the casting 12.

[0023] According to an embodiment of the present utility model, a combined core horizontal casting mold for a steering gear housing. In a specific embodiment, the lower mold main core head 9 and the upper mold main core head 10 are perpendicular to the horizontal plane, and the lower mold main core head 9 and the upper mold main core head 10 are arranged in mirror symmetry along the horizontal line.

[0024] According to an embodiment of the present utility model, a combined core horizontal casting mold for a steering gear housing. In a specific embodiment, the lower mold main core head 9 fixes the core 11 when setting the core, and the upper mold main core head 10 clamps the core 11 during mold closing.

[0025] According to an embodiment of the present utility model, a combined core horizontal casting mold for a steering gear housing. In a specific embodiment, the first sub-core head 7 and the second sub-core head 8 are arranged oppositely and are respectively arranged on both sides of the casting 12 in the transverse direction. The first sub-core head 7 and the second sub-core head 8 are perpendicular to the lower mold main core head 9 and the upper mold main core head 10 in space.

[0026] According to an embodiment of the present utility model, a combined core horizontal casting mold for a steering gear housing. In a specific embodiment, the upper left of the gate seat 1 is the first casting unit, the upper right of the gate seat 1 is the second casting unit, the lower right of the gate seat 1 is the third casting unit, and the lower left of the gate seat 1 is the fourth casting unit.

[0027] According to an embodiment of the present utility model, a combined core horizontal casting mold for a steering gear housing. In a specific embodiment, the first casting unit and the second casting unit are arranged horizontally and translated relative to the cross-riser 2.

[0028] According to an embodiment of the present utility model, a combined core horizontal casting mold for a steering gear housing. In a specific embodiment, the third casting unit and the fourth casting unit are arranged to rotate 180° around the gate seat 1 relative to the first casting unit and the second casting unit.

[0029] According to an embodiment of the present utility model, a combined core horizontal casting mold for a steering gear housing. In a specific embodiment, a filter screen is provided in the gate seat 1.

[0030] To facilitate the understanding of the above technical solutions of the present utility model, the above technical solutions of the present utility model will be described in detail below through specific usage modes.

[0031] In specific use, for a horizontal casting mold of a combined sand core steering gear housing according to the present utility model, it includes a gate seat 1, a horizontal runner 2, a sub-runner inlet pressure edge 3, a main runner inlet pressure edge 4, a sub-runner 5, a main runner 6, a first sub-core head 7, a second sub-core head 8, a lower mold main core head 9, an upper mold main core head 10, and a casting 12 with the sand core 11 placed horizontally.

[0032] This mold adopts a horizontal casting process. Four castings are produced in one mold, including four casting units. The castings 12 are evenly arranged horizontally. During the core setting process, through the design of the lower mold main core head 9, the upper mold main core head 10, the first sub-core head 7, and the second sub-core head 8, the lower mold main core head 9 plays a major fixing role for the sand core 11 during core setting, and the first sub-core head 7 and the second sub-core head 8 play an auxiliary supporting role. The upper mold main core head 10 clamps the sand core 11 after mold closing; thus ensuring that the sand core 11 can be stably fixed in the cavity of the casting 12 after core setting and mold closing, ensuring the stability of the casting size and the consistency of the product at the same time. Using this horizontal casting mold to mass-produce castings can ensure the appearance and internal quality of the castings while having a high product yield rate, and can achieve the improvement of product quality and the reduction of production costs.

[0033] In summary, by means of the above technical solutions of the present utility model, through the optimized and improved design of the products of the present utility model, the horizontal production of the combined sand core steering gear housing is realized, so that the production of four pieces in one mold on the horizontal production line can be achieved. Compared with the original two pieces in one mold on the vertical line, the production efficiency is improved, and the core setting stability is also improved. Furthermore, the beneficial effects of improving the quality of the castings while reducing the production costs of the castings are achieved. Moreover, the casting mold of the present utility model has a simple design, a compact structure, and a high process yield rate.

[0034] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A combined sand core steering gear housing horizontal line casting mold, characterized in that: The invention comprises a gate seat (1), wherein the gate seat (1) is connected to a runner (2) in the transverse direction, and four casting units are connected to the runner (2), each casting unit comprises an auxiliary riser water inlet pressure edge (3) and a main riser water inlet pressure edge (4) connected to the runner (2), and the ends of the auxiliary riser water inlet pressure edge (3) and the main riser water inlet pressure edge (4) are respectively provided with an auxiliary riser (5) and a main riser (6), and a horizontally placed casting (12) is provided between the auxiliary riser (5) and the main riser (6), and a sand core (11) is provided in the mold cavity of the casting (12), and a lower mold main core head (9) and an upper mold main core head (10) for fixing and clamping are respectively provided directly below and directly above the exposed end of the sand core (11), and a first auxiliary core head (7) and a second auxiliary core head (8) for auxiliary support are respectively provided on both sides of the casting (12) in the transverse direction.

2. The combined sand core steering gear housing horizontal line casting mold according to claim 1, characterized in that: The lower die main core head (9) and the upper die main core head (10) are arranged perpendicular to a horizontal plane, and the lower die main core head (9) and the upper die main core head (10) are arranged in a mirror-symmetrical manner along a horizontal line.

3. The combined sand core horizontal line casting mold for the steering gear housing according to claim 2, characterized in that: The lower die main core head (9) plays a role in fixing the sand core (11), and the upper die main core head (10) plays a role in clamping the sand core (11).

4. The combined sand core steering gear housing horizontal line casting mold according to claim 1, characterized in that: The first auxiliary core head (7) and the second auxiliary core head (8) are arranged opposite to each other and are respectively arranged on two lateral sides of the casting (12); the first auxiliary core head (7) and the second auxiliary core head (8) are arranged vertically in space with respect to the lower mold main core head (9) and the upper mold main core head (10).

5. The combined sand core steering gear housing horizontal line casting mold according to claim 1, characterized in that: The upper left of the pouring seat (1) is the first casting unit, the upper right of the pouring seat (1) is the second casting unit, the lower right of the pouring seat (1) is the third casting unit, and the lower left of the pouring seat (1) is the fourth casting unit.

6. The combined sand core horizontal line casting mold for the steering gear housing according to claim 5, characterized in that: The first casting unit and the second casting unit are arranged to be laterally translated relative to the runner (2).

7. The combined sand core horizontal line casting mold for the steering gear housing according to claim 6, characterized in that: The third casting unit and the fourth casting unit are arranged to be rotated 180° around the gate seat (1) as compared with the first casting unit and the second casting unit.

8. The combined sand core horizontal line casting mold for the steering gear housing according to claim 1, characterized in that: A filter screen is provided inside the gate seat (1).

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