Cab suspension lower support and manufacturing device thereof

Abstract

The utility model discloses a cab rear suspension lower support and a manufacturing device thereof, the cab rear suspension lower support is made of A356 aluminum alloy, the maximum projection of a main body of the cab rear suspension lower support is in an L shape, the interior of the cab rear suspension lower support is connected with a cylinder through a linear reinforcing rib, and the side face of the cab rear suspension lower support is connected with the cylinder into a whole through a long kidney-shaped reinforcing rib. According to the rear suspension lower support of the cab, the weight of a product is reduced, so that the overall weight of the cab suspension is reduced; according to the manufacturing device for the rear suspension lower support of the cab, serious flashes and burrs on subsequent products can be avoided, the efficiency is high, the cost is low, the product performance is excellent, and one mold and one cavity are achieved for the products.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile parts, and in particular relates to a cab rear suspension lower support and a manufacturing device thereof. Background Art

[0002] The cab is a crucial component of a truck, and the functional requirements for the cab's rear suspension lower support are becoming increasingly clear. The overall trend toward lightweight cabs is also driving lightweight cab suspension systems. The cab's rear suspension lower support's primary function within the suspension system is to support cab tilting, limit position, and connect to the vehicle frame.

[0003] In the existing technology, the forged steel lower support of the cab suspension is heavy, resulting in a heavy overall weight of the cab suspension system, which is not conducive to reducing the energy consumption per unit mileage of the vehicle and insufficient utilization of materials. In addition, the cost of the forged steel lower support of the cab is too high, and the numerous processes lead to low production efficiency. Utility Model Content

[0004] In order to overcome the defect in the above-mentioned prior art that the forged steel lower support of the cab is heavy, resulting in a heavy overall weight of the cab suspension system, one of the inventive purposes of the utility model is to provide a rear suspension lower support of the cab, which improves the stability of the cab on the suspension while making the rear suspension lower support lighter.

[0005] The second object of the present invention is to provide a device for manufacturing the above-mentioned cab rear suspension lower support.

[0006] In order to achieve the above-mentioned purpose, the cab rear suspension lower support of the first aspect of the present invention is made of A356 aluminum alloy, the maximum projection of the main body of the cab rear suspension lower support is L-shaped, the interior of the cab rear suspension lower support is connected to the cylinder by straight-line reinforcement ribs, and the side is connected to the cylinder into one by long waist-shaped reinforcement ribs.

[0007] As the second aspect of the present invention, a device for manufacturing a rear suspension lower support of a cab comprises a material handle and a mold body fixed to the top of the material handle for manufacturing the rear suspension lower support of the cab, the material handle being provided with a grouting port, the interior of the material handle being a first cavity, the interior of the mold body being provided with a second cavity for forming the rear suspension lower support of the cab, the first cavity of the material handle being communicated with the second cavity in the mold body through a first flow channel whose interior is a third cavity, at least one first slag bag and at least one first exhaust groove are provided on the parting surface of the mold body opposite to the material handle, the interiors of the first slag bag and the first exhaust groove being a fourth cavity and a fifth cavity respectively, the fourth cavity in any first slag bag is communicated with the second cavity in the mold body and is communicated with the first exhaust groove through the sixth cavity of the second flow channel.

[0008] In a preferred embodiment of the present invention, at least one second slag bag is provided at each portion of the mold body adjacent to the material handle, and the seventh cavity in the second slag bag is communicated with the second cavity in the mold body.

[0009] In a preferred embodiment of the present invention, four recycling bags are symmetrically arranged on the mold body, namely a first recycling bag, a second recycling bag, a third recycling bag and a fourth recycling bag, wherein the first recycling bag and the second recycling bag are located on one side of the second cavity in the mold body, and the third recycling bag and the fourth recycling bag are located on the other side of the second cavity in the mold body; the first recycling bag is connected to all the first slag bags through the third flow channel, the second recycling bag is connected to the second slag bag through the fourth flow channel, and the third recycling bag and the fourth recycling bag are connected to the second cavity in the mold body through the fifth flow channel and the sixth flow channel respectively.

[0010] In a preferred embodiment of the present invention, a second exhaust groove, a third exhaust groove, a fourth exhaust groove and a fifth exhaust groove are provided on the first recycling bag, the second recycling bag, the third recycling bag and the fourth recycling bag.

[0011] In a preferred embodiment of the present invention, the fourth cavity in the first slag bag and the second cavity in the mold body form a quadrilateral structure; the seventh cavity in the second slag bag and the second cavity in the mold body also form a quadrilateral structure.

[0012] In a preferred embodiment of the present invention, the cross-sections of the third cavity in the first flow channel, the sixth cavity in the second flow channel, the eighth cavity in the third flow channel, the ninth cavity in the fourth flow channel, the tenth cavity in the fifth flow channel, and the eleventh cavity in the sixth flow channel are all rectangular.

[0013] In a preferred embodiment of the present invention, the grouting port is located at the end of the material handle.

[0014] In a preferred embodiment of the present invention, the first flow channel includes an injection end and an output end, the injection end is communicated with the material handle, and the output end is connected to the second cavity in the mold body.

[0015] In a preferred embodiment of the present invention, the output end is cylindrical.

[0016] In a preferred embodiment of the present invention, there is one second cavity in the mold body, which is arranged on the top side of the output end and connected to the output end.

[0017] Due to the adoption of the above technical solution, the beneficial effects of the utility model are as follows:

[0018] 1. The utility model uses A356 aluminum alloy instead of forged steel for the cab rear suspension lower support, achieving lightweight cab rear suspension lower support. This reduces the overall weight of the suspension system, lowers costs, and reduces the vehicle's energy consumption per unit mileage.

[0019] 2. The utility model is a device for manufacturing the lower support of the rear suspension of the cab. The multiple slag bags at the parting line are designed to better remove air at the parting line of the mold and residual debris during production and impurity removal. At the same time, it can balance the temperature of the mold to avoid serious flash and burrs on the subsequent products and reduce internal defects of the products.

[0020] 3. The utility model provides a manufacturing device for the lower support of the rear suspension of a cab, wherein the material handle is shell-shaped and has a cylindrical structure. The multi-flow channel feeding and the thick material handle can compensate for the defects caused by shrinkage inside the product, and the aluminum liquid can flow better into the interior of the mold, facilitating molding; the material handle and the multi-flow channel form a classic Y-shaped structure.

[0021] 4. The utility model provides a cab thick suspension lower support manufacturing device, which is made of high-strength metal and adopts liquid die forging technology to make the liquid metal fill the interior of the mold body under pressure, ensuring the high surface quality of the cab rear suspension lower support. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a structural schematic diagram of a cab rear suspension lower support of the utility model;

[0023] Figure 2 This is a structural schematic diagram of a cab rear suspension lower support manufacturing device of the utility model; DETAILED DESCRIPTION

[0024] The present invention will be further described below in conjunction with specific embodiments. It should be understood that these embodiments are intended only to illustrate the present invention and are not intended to limit the scope of the present invention. It should also be understood that after reading the contents of the present invention, those skilled in the art may make various changes or modifications to the present invention, and that these equivalent forms also fall within the scope defined by the appended claims.

[0025] The utility model is a cab rear suspension lower support 100, such as Figure 1 As shown, it is made of A356 aluminum alloy, and the maximum projection of the main body of the cab rear suspension lower support 100 is Figure 1 The front view is L-shaped, and the interior of the cab rear suspension lower support 100 is connected to the cylinder 120 through a linear reinforcement rib 110, and the side surfaces 130 and 140 are connected to the cylinder 120 through long waist reinforcement ribs 150 and 160.

[0026] Specifically, the rear suspension lower support of the cab in the present invention is made of A356 aluminum alloy and is manufactured using a liquid die forging process. The use of A356 aluminum alloy instead of forged steel parts achieves lightweighting of the rear suspension lower support of the cab, reduces the overall weight of the suspension system, reduces the cost, and reduces the energy consumption per unit mileage of the vehicle. The liquid die forging process is a new casting process with the advantages of high quality, high efficiency, energy saving, low consumption, and wide adaptability. This process is conducive to the use of external force to solidify and flow the metal melt in a high-strength mold, thereby forcibly eliminating shrinkage cavities or shrinkage defects caused by solidification shrinkage, and even causing plastic deformation. The utility model adopts this advanced casting process, and its quality and performance have been greatly improved.

[0027] On the basis of the above, this embodiment also provides a cab rear suspension lower support manufacturing device for manufacturing the cab rear suspension lower support 100. Figure 2 The cab rear suspension lower support manufacturing device includes a material handle portion 210 and a mold body 220 fixed to the top of the material handle portion 210 for manufacturing the cab rear suspension lower support.

[0028] A grouting port 211 is provided at the end of the material handle 210 . The interior of the material handle 210 is a first cavity. The interior of the mold body 220 has a second cavity 221 for forming the cab rear suspension lower support 100 .

[0029] The first cavity of the shank 210 communicates with the second cavity 221 within the mold body 220 via a first runner 230, which defines a third cavity. The first runner 230 includes an injection end 231 and an output end 232. The injection end 231 communicates with the shank 210, and the output end 232 is cylindrical. There is only one second cavity 221 within the mold body 220, which is located on top of and connected to the output end 232. The shank 210 and the first runner 230 are designed to form a classic, thick Y-shaped structure. The first runner 230 and the thick shank 210 can compensate for defects caused by shrinkage within the product, allowing molten aluminum to flow better into the mold body, facilitating molding.

[0030] At least one first slag bag 240 and at least one first venting groove 250 are provided on the parting surface of the mold body 220 opposite to the handle portion 210. The interiors of the first slag bag 240 and the first venting groove 250 are the fourth cavity and the fifth cavity respectively. The fourth cavity in any first slag bag 250 is connected with the second cavity 221 in the mold body 220 and is connected with the first venting groove 250 through the sixth cavity of the second runner 260.

[0031] At least one second slag bag 270 is provided on the mold body 220 opposite to the material handle portion 210 , and the seventh cavity in the second slag bag 270 is communicated with the second cavity 221 in the mold body 220 .

[0032] The fourth cavity in the first slag bag 240 and the second cavity 221 in the mold body 220 form a quadrilateral structure; the seventh cavity in the second slag bag 270 and the second cavity 221 in the mold body 220 also form a quadrilateral structure.

[0033] Four recycling bags are symmetrically arranged on the mold body 220, namely the first recycling bag 310, the second recycling bag 320, the third recycling bag 330 and the fourth recycling bag 340, wherein the first recycling bag 310 and the second recycling bag 320 are located on one side of the second cavity 221 in the mold body 220, and the third recycling bag 330 and the fourth recycling bag 340 are located on the other side of the second cavity 221 in the mold body 220; the first recycling bag 310 is connected to all the first slag bags 240 through the third flow channel 350, the second recycling bag 330 is connected to the second slag bag 270 through the fourth flow channel 360, and the third recycling bag 330 and the fourth recycling bag 340 are connected to the second cavity 220 in the mold body 220 through the fifth flow channel 370 and the sixth flow channel 380 respectively.

[0034] A second exhaust groove 311 , a third exhaust groove 321 , a fourth exhaust groove 331 and a fifth exhaust groove 341 are provided on the first recycling bag 310 , the second recycling bag 320 , the third recycling bag 330 and the fourth recycling bag 340 .

[0035] The third cavity in the first flow channel 230 , the sixth cavity of the second flow channel 260 , the eighth cavity of the third flow channel 350 , the ninth cavity of the fourth flow channel 360 , the tenth cavity of the fifth flow channel 370 , and the eleventh cavity of the sixth flow channel 380 are all rectangular in cross section.

[0036] The purpose of the multiple slag bags of the utility model is to facilitate better removal of air at the mold parting line and residual debris during production and impurity removal, and at the same time balance the temperature of the mold to avoid serious flash and burrs on subsequent products, while reducing defects inside the products.

[0037] In this embodiment, the entire mold body is made of high-strength metal, so that liquid metal fills the interior of the mold body under pressure, ensuring that the surface quality of the lower support of the rear suspension of the cab is high.

[0038] The utility model also provides a method for using the cab rear suspension lower support manufacturing device:

[0039] During operation, molten aluminum is poured from the grouting port 211 of the slurry handle 210 and fills the cab rear suspension lower support through the cavity 221 within the mold body 220, which matches the shape of the cab rear suspension lower support. A slag bag is opened at the front end of the molten aluminum and at the intersection to collect cold material. When the molten aluminum is 90% filled, a pressure of 80-100 MPa is applied to allow the molten aluminum to solidify sequentially under high pressure, resulting in a cab rear suspension lower support 100 with superior performance.

Claims

1. A cab rear suspension lower support, made of A356 aluminum alloy, the maximum projection of the main body of the cab rear suspension lower support is L-shaped, the interior of the cab rear suspension lower support is connected to the cylinder by linear reinforcement ribs, and the side is connected to the cylinder into one body by long waist reinforcement ribs.

2. A manufacturing device for manufacturing the cab rear suspension lower support according to claim 1, characterized in that: The present invention comprises a material handle portion and a mold body fixed on the top of the material handle portion for making the lower support of the rear suspension of the cab, the material handle portion is provided with a grouting port, the interior of the material handle portion is a first cavity, the interior of the mold body has a second cavity for forming the lower support of the rear suspension of the cab, the first cavity of the material handle portion is communicated with the second cavity in the mold body through a first flow channel with a third cavity inside, and at least one first slag bag and at least one first exhaust groove are provided on the parting surface of the mold body opposite to the material handle portion, the interiors of the first slag bag and the first exhaust groove are the fourth cavity and the fifth cavity respectively, the fourth cavity in any first slag bag is connected with the second cavity in the mold body and is communicated with the first exhaust groove through the sixth cavity of the second flow channel.

3. The production device according to claim 2, characterized in that At least one second slag bag is provided at each portion of the mold body adjacent to the material handle, and the seventh cavity in the second slag bag is communicated with the second cavity in the mold body.

4. The production device according to claim 3, characterized in that Four recycling bags are symmetrically arranged on the mold body, namely the first recycling bag, the second recycling bag, the third recycling bag and the fourth recycling bag, wherein the first recycling bag and the second recycling bag are located on one side of the second cavity in the mold body, and the third recycling bag and the fourth recycling bag are located on the other side of the second cavity in the mold body; the first recycling bag is connected to all the first slag bags through the third flow channel, the second recycling bag is connected to the second slag bag through the fourth flow channel, and the third recycling bag and the fourth recycling bag are connected to the second cavity in the mold body through the fifth flow channel and the sixth flow channel respectively.

5. The production device according to claim 4, characterized in that The first recycling bag, the second recycling bag, the third recycling bag and the fourth recycling bag are each provided with a second exhaust groove, a third exhaust groove, a fourth exhaust groove and a fifth exhaust groove.

6. The production device according to claim 5, characterized in that The fourth cavity in the first slag bag and the second cavity in the mold body form a quadrilateral structure; the seventh cavity in the second slag bag and the second cavity in the mold body also form a quadrilateral structure.

7. The production device according to claim 6, characterized in that The cross sections of the third cavity in the first flow channel, the sixth cavity in the second flow channel, the eighth cavity in the third flow channel, the ninth cavity in the fourth flow channel, the tenth cavity in the fifth flow channel, and the eleventh cavity in the sixth flow channel are all rectangular.

8. The production device according to claim 7, characterized in that The grouting port is located at the end of the material handle.

9. The production device according to claim 8, characterized in that The first flow channel includes an injection end and an output end, the injection end is communicated with the material handle portion, and the output end is connected to the second cavity in the mold body.

10. The production device according to claim 9, characterized in that The output end is cylindrical.

11. The production device according to claim 10, characterized in that: There is one second cavity in the mold body, which is arranged on the top side of the output end and connected to the output end.

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