Steering gear housing heat riser gating system

Abstract

The utility model discloses a kind of diverter housing heat riser pouring system, including H-type support and connecting rod, H-type support is two, and vertical pole is inserted in each H-type support, horizontal pole is provided at the top of vertical pole, and connecting rod is provided between two horizontal poles, second support is slidably connected on connecting rod, third support is provided at the side of second support, crucible bearing groove is rotatably connected in second support, L-shaped handle is provided on the outer wall of crucible bearing groove, L-shaped handle is located in second recess.The utility model realizes the multiple advantages of reducing labor intensity, improving pouring efficiency and safety, enhancing pouring quality stability and accuracy, effectively overcomes the defects of traditional manual pouring, significantly improves the overall performance and reliability of casting pouring, convenient to use, easy to operate.

Description

Technical Field

[0001] This utility model relates to a casting rack, and more particularly to a heating riser casting system for a steering gear housing, belonging to the field of casting casting technology. Background Technology

[0002] The steering gear housing is a core safety component of the automotive steering system, bearing precision parts and transmitting steering torque. Its internal quality directly affects vehicle driving safety. These castings have complex structures and uneven wall thicknesses (minimum approximately 6mm, maximum up to 29mm). Critical areas such as high-pressure oil passages and threaded holes are prone to shrinkage cavities and porosity due to insufficient solidification feeding. Furthermore, they must pass high-pressure tests without leakage, requiring extremely high density. To address this issue, the industry widely adopts exothermic riser feeding technology. This technology extends the solidification time of the molten metal through exothermic reaction, improving feeding efficiency by more than 15% compared to traditional insulated risers, effectively eliminating thermal defects. However, the current hot riser pouring still relies on manual operation, which has obvious shortcomings: ① Poor feeding accuracy: It is difficult to stably control the pouring speed and flow rate by manually holding the crucible, and the hot riser needs to be precisely aligned with the hot section of the casting. Manual operation is prone to misalignment of liquid distribution due to fatigue or experience deviation, which reduces the feeding effect; ② Inefficiency mismatch: The steering gear housing is mostly mass-produced on the assembly line. Manual pouring requires frequent adjustment and alignment of the mold, which cannot be done continuously and is difficult to match the production line rhythm; ③ High safety risks: The temperature of the molten metal reaches 1390℃-1550℃ during pouring. Manual operation at close range faces the risk of high temperature radiation and molten metal splashing, and there is a risk of loss of control when the crucible is moved or tilted. Utility Model Content

[0003] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a steering gear housing heating riser casting system, which effectively avoids many drawbacks of manual casting, reduces the labor intensity of workers, and improves casting efficiency and safety.

[0004] The technical solution adopted by this utility model to solve the technical problem is as follows: A heating riser casting system for a steering gear housing includes two H-shaped supports and a connecting rod. Each H-shaped support has a vertical rod inserted into it. A horizontal rod is positioned at the top of each vertical rod, and a connecting rod is positioned between the two horizontal rods. A second support is slidably connected to the connecting rod. The second supports are U-shaped, and a third support is positioned on one side of each second support. A second groove is positioned at the top of the third support. A crucible support groove is rotatably connected within the second support. An L-shaped handle is positioned on the outer wall of the crucible support groove, and the L-shaped handle is located within the second groove. A first support is positioned at the top of the horizontal rod.

[0005] The top of the H-shaped bracket is provided with a slot for inserting the vertical rod, and the vertical rod is fixedly connected to the H-shaped bracket by bolts.

[0006] The top of the first support is provided with a first groove, and a handle for connecting the crucible is placed in the first groove.

[0007] The L-shaped support is fitted with a clip for fixing the crucible. The clip is distributed in a hook shape and is fixed to the L-shaped support by a matching nut.

[0008] The second support is U-shaped, and the outer wall of the crucible support tank is rotatably connected to the inner wall of the second support through a pillar.

[0009] The H-shaped brackets are located on both sides of the casting sand mold production line, and the connecting rods are located above the casting sand mold production line.

[0010] The positive and beneficial effects of this utility model are: 1. The second bracket of this utility model is slidably connected to the connecting rod, which can accurately align the heating riser at key hot spots such as high-pressure oil passages and threaded holes in the steering gear housing. With the dual positioning of "stable rotation of the crucible bearing tank + hook-shaped clamp fixing the crucible", it can control the molten metal to be injected into the riser at a uniform flow rate, avoiding flow fluctuations or misalignment of liquid distribution in manual pouring, ensuring that the heating riser can fully play its feeding function, effectively reducing shrinkage cavities and porosity defects, directly meeting the density requirements of high pressure and no leakage in the steering gear housing, and solving the core problem of poor compatibility between manual pouring and heating riser processes.

[0011] 2. This utility model adopts a design of "crucible support tank replacing hand operation" + "clip holder to prevent crucible from falling off", which not only avoids arm fatigue caused by holding the weight for a long time, but also increases the contact distance with the 1390℃-1550℃ molten metal, eliminating the risk of high temperature radiation and molten metal splashing, and completely solving the safety hazards of traditional manual casting. 3. This utility model can avoid molten metal splashing or riser shortage caused by arm shaking, ensure that the heating riser feeding effect of each batch of steering gear housing is consistent, significantly improve the dimensional accuracy of castings, and reduce the rework rate caused by casting defects.

[0012] 4. The vertical rod and H-shaped bracket of this utility model are fixed by bolts, and the length of the vertical rod can be adjusted according to the riser height of different specifications of steering gear housing; at the same time, the combination of sliding of the second bracket and rotation of the crucible bearing groove can adapt to the casting requirements of heating risers at different positions and angles, reduce the investment cost of production equipment, and improve the versatility and practicality of the system. Attached Figure Description

[0013] Figure 1 This is a diagram showing the usage state of this utility model; Figure 2 This is a schematic diagram of the structure of this utility model; Figure 3This is a schematic diagram of the structure of the second support of this utility model; Wherein: 1-H-type support, 2-vertical rod, 3-horizontal rod, 4-first support, 5-first groove, 6-connecting rod, 7-second support, 8-crucible bearing groove, 9-L-shaped handle, 10-third support, 11-second groove, A-crucible, B-handle. Detailed Implementation

[0014] The present invention will be further explained and described below with reference to the accompanying drawings: See the example. Figures 1-3 A heating riser casting system for a steering gear housing includes two H-shaped supports 1 and a connecting rod 6. Each H-shaped support 1 has a vertical rod 2 inserted inside it. A horizontal rod 3 is positioned at the top of the vertical rod 2, and a connecting rod 6 is positioned between the two horizontal rods 3. A second support 7 is slidably connected to the connecting rod 6. The second supports 7 are U-shaped, and a third support 10 is positioned on one side of the second support 7. A second groove 11 is positioned at the top of the third support 10. A crucible support groove 8 is rotatably connected inside the second support 7. An L-shaped support 9 is positioned on the outer wall of the crucible support groove 8, located within the second groove 11. A first support 4 is positioned at the top of the horizontal rod 3.

[0015] In the above description, a rectangular through hole is provided on the side of the bottom of the second bracket, and the rectangular through hole is fitted onto the connecting rod, so that the second bracket and the connecting rod are slidably connected together.

[0016] A slot is provided at the top of the H-shaped bracket 1 for inserting the vertical rod 2, and the vertical rod 2 is fixedly connected to the H-shaped bracket 1 by bolts.

[0017] A first groove 5 is provided on the top of the first support 4, and a handle B for connecting the crucible A is placed in the first groove 5.

[0018] A clip 12 for fixing crucible A is inserted into the L-shaped support 9. The clip 12 is distributed in a hook shape and is fixed to the L-shaped support 9 by matching nuts.

[0019] In the above description, a through hole for the holder to pass through is provided at the corner of the L-shaped support, and a guide tube is provided above the through hole. When the top of the holder is locked onto the crucible, the bottom of the holder passes through the through hole and is fixed by a matching nut.

[0020] The second support 7 is distributed in a U-shape and is rotatably connected to the inner wall of the second support 7 via a pillar on the outer wall of the crucible support tank 8.

[0021] H-shaped bracket 1 is located on both sides of the casting sand mold production line, and connecting rod 6 is located above the casting sand mold production line.

[0022] In the above description, during use, the operator uses the crucible to transfer the molten metal, and then places the crucible in the crucible support groove, with the handle on the outside of the crucible located in the first groove.

[0023] In the above description, during casting, the crucible is placed in the crucible support groove, and the handle is placed in the first groove. Then, the crucible is fixed by the clamp, and the worker holds the L-shaped support and handle to cast the part.

[0024] As described above, workers can adjust the position of the second support to change the position of the crucible, thereby enabling precise casting.

[0025] In use, first adjust the length of the vertical rod 2 extending out of the H-shaped bracket 1 according to the riser height of the steering gear housing, so that the connecting rod 6 is adapted to the height of the casting mold on the production line; place the crucible A containing molten metal into the crucible support groove 8, so that the crucible handle B is inserted into the first groove 5, and then pass the hook-shaped bracket 12 through the through hole of the L-shaped support 9 to clamp and fix the crucible; slide the second bracket 7 to directly above the heating riser, hold the L-shaped support 9, the L-shaped support 9 rotates and is limited along the second groove 11, slowly rotate the crucible support groove 8, and the molten metal is injected into the riser at a stable flow rate to complete the pouring.

[0026] This invention achieves multiple advantages, including reducing labor intensity, improving casting efficiency and safety, and enhancing the stability and accuracy of casting quality. It effectively overcomes the defects of traditional manual casting, significantly improves the overall performance and reliability of casting, and is convenient and easy to use.

Claims

1. A heating riser casting system for a steering gear housing, comprising an H-shaped bracket (1) and a connecting rod (6), characterized in that: There are two H-shaped supports (1), and a vertical rod (2) is inserted in each H-shaped support (1). A horizontal rod (3) is provided at the top of the vertical rod (2), and a connecting rod (6) is provided between the two horizontal rods (3). A second support (7) is slidably connected to the connecting rod (6). The second support (7) is distributed in a U-shape, and a third support (10) is provided on one side of the second support (7). A second groove (11) is provided at the top of the third support (10). A crucible support groove (8) is rotatably connected in the second support (7). An L-shaped support (9) is provided on the outer wall of the crucible support groove (8). The L-shaped support (9) is located in the second groove (11). A first support (4) is provided at the top of the horizontal rod (3).

2. The steering gear housing heating riser casting system according to claim 1, characterized in that: The top of the H-shaped bracket (1) is provided with a slot for inserting the vertical rod (2), and the vertical rod (2) and the H-shaped bracket (1) are fixedly connected together by bolts.

3. The steering gear housing heating riser casting system according to claim 1, characterized in that: The top of the first support (4) is provided with a first groove (5), and a handle (B) for connecting the crucible (A) is placed in the first groove (5).

4. The steering gear housing heating riser casting system according to claim 1, characterized in that: The L-shaped support (9) is provided with a bracket (12) for fixing the crucible (A). The bracket (12) is distributed in a hook shape and is fixed to the L-shaped support (9) by a matching nut.

5. The steering gear housing heating riser casting system according to claim 1, characterized in that: The second support (7) is distributed in a U-shape, and the outer wall of the crucible support groove (8) is rotatably connected to the inner wall of the second support (7) through a support column.

6. The steering gear housing heating riser casting system according to claim 1, characterized in that: The H-shaped bracket (1) is located on both sides of the casting sand mold production line, and the connecting rod (6) is located above the casting sand mold production line.

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