CN210648381U

CN210648381U - Lightweight steering gear support mould

Info

Publication number: CN210648381U
Application number: CN201921427780.2U
Authority: CN
Inventors: 张虎; 张花蕊
Original assignee: Beijing Hangda New Material Technology Co ltd; Qingdao Hangda New Material Technology Co ltd; Zhucheng Hangda New Material Technology Co Ltd
Current assignee: Beijing Hangda New Material Technology Co ltd; Qingdao Hangda New Material Technology Co ltd; Zhucheng Hangda New Material Technology Co Ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-06-02
Anticipated expiration: 2029-08-30

Abstract

The utility model provides a lightweight steering gear support mould which characterized in that: comprises an upper die, a lower die and a spreader cone; after the upper die and the lower die are assembled, a die cavity matched with the shape of a steering gear bracket product is formed, and the spreader cone is positioned on the upper die; a plurality of cooling channels are arranged on the upper die and the lower die; the steering gear support comprises a main body mounting plate, and a steering rocker arm through hole for a steering rocker arm to pass through is formed in the main body mounting plate; and a pouring port is arranged on the lower die at the position corresponding to the through hole of the steering rocker arm in the die cavity, the pouring port is opposite to the shunting cone, and the pouring port is communicated with a liquid lifting pipe on the heat preservation furnace. The utility model discloses a mould can realize the order of foundry goods and solidify, obtains the cast aluminium steering gear support that comprehensive mechanical properties is good, and ball iron or cast steel steering gear support on the fungible market satisfy under high strength and high elongation capability requirement, with weight reduction more than 50%.

Description

Lightweight steering gear support mould

Technical Field

The utility model belongs to the technical field of auto-parts, especially, relate to a lightweight steering gear support mould.

Background

The steering gear support is a support part of the steering gear and an intermediate mechanism connected and fixed with the frame, and the strength and the fatigue life of the steering gear support directly influence the stability and the service life of the whole steering mechanism.

The existing steering gear support is usually of a cylindrical structure, two ends of a cylinder body are respectively connected with mounting plates, one mounting plate is used for fixing a steering gear, the other mounting plate fixes an assembly on a vehicle frame, a steering rocker arm is assembled and connected through a hollow part of the cylinder body, and the shape of the cylinder body can be adjusted or a weight reducing hole can be formed on the basis of weight reduction, interference and clearance avoidance. In addition, because the load of the whole commercial vehicle is large, the alternating torque born by the steering gear bracket is large, and the steering gear which is made of ductile iron or cast steel is universal at present, the occupied space is large, the structure is complex, and the weight is heavy. The requirements of the existing automobile on parts are high, so that the mechanical properties of the parts need to be ensured, and the weight of each part needs to be reduced. Therefore, when designing a lightweight steering gear bracket with simple structure and light weight, how to design a mold that can fill type, help reinforcing steering gear bracket intensity steadily fast becomes the utility model discloses the subject of research.

Disclosure of Invention

The utility model aims at providing a can fill type, help reinforcing steering gear support intensity's lightweight steering gear support mould fast steadily.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a lightweight steering gear bracket mould comprises an upper mould, a lower mould and a spreader cone; after the upper die and the lower die are assembled, a die cavity matched with the steering gear bracket product in shape is formed, and the sprue spreader is positioned on the upper die; a plurality of cooling channels are arranged on the upper die and the lower die;

the steering gear support comprises a main body mounting plate, and a steering rocker arm through hole for a steering rocker arm to pass through is formed in the main body mounting plate; and a pouring port is arranged on the lower die at the position corresponding to the through hole of the steering rocker arm in the die cavity, the pouring port is opposite to the sprue spreader, and the pouring port is communicated with a liquid lifting pipe on the heat preservation furnace.

The relevant content in the above technical solution is explained as follows:

1. in the above scheme, the steering gear bracket further comprises two side mounting plates and a side wall plate; the side wall plate is provided with two ends in the width direction of the plate body, wherein one end is defined as a first end, and the other end is defined as a second end; the end face of the main body mounting plate is connected with the first end of the side wall plate, the side wall plate is enclosed into a semi-enclosed structure in the circumferential direction of the main body mounting plate, the two side mounting plates are mounted at the second end of the side wall plate at intervals, one end of each side mounting plate is connected with the second end of the side wall plate, and the other end of each side mounting plate faces the outside of the semi-enclosed structure;

the main body mounting plate is also provided with at least three steering gear assembling holes for fixing the steering gear on the steering gear bracket; each side mounting plate is provided with at least two frame assembling holes for fixing the steering gear bracket on the frame;

one surface positioned in the semi-surrounding structure is used as the inner side surface of the side wall plate, one surface positioned outside the semi-surrounding structure is used as the outer side surface of the side wall plate, at least one first reinforcing rib is arranged on the main body mounting plate in the semi-surrounding structure, and the first reinforcing rib extends to the edge of the steering rocker arm through hole from the inner side surface of the side wall plate; and at least one second reinforcing rib is arranged between the outer side face of the side wall plate and the side mounting plate outside the semi-surrounding structure, and the second reinforcing rib is connected to the side mounting plate from the outer side face of the side wall plate.

Furthermore, the steering gear assembling hole is a through hole, and threads matched with the bolt are arranged on the hole wall of the steering gear assembling hole.

Furthermore, the frame assembling hole is a through hole, and threads matched with the bolts are arranged on the hole wall of the frame assembling hole.

Furthermore, bosses are arranged on the edges of the steering gear assembling hole and the frame assembling hole.

Further, the first reinforcing rib and the second reinforcing rib are both triangular reinforcing ribs, wherein one side of the first reinforcing rib is connected with the inner side surface of the side wall plate.

Furthermore, the plate bodies of the two side mounting plates are perpendicular to the plate bodies of the side wall plates. The two side mounting plates are approximately symmetrically arranged on the basis of a central shaft which passes through the center of the main body mounting plate and is positioned on the plate surface of the main body mounting plate.

Further, the side wall plates are surrounded in a semi-surrounding structure in the circumferential direction of the main body mounting plate, that is, an open structure, that is, the side wall plates do not form a closed loop in the circumferential direction of the main body mounting plate.

2. In the above scheme, when casting, can be in the lower part of reposition of redundant personnel awl is equipped with devices such as filter screen or ceramic filter to remove harmful substance such as bubble, inclusion sediment, improve foundry goods quality.

The utility model discloses for prior art's advantage lie in:

1. the utility model discloses a be provided with many cooling channel on the mould, through adjustment coolant flow, open and close time, realize using the distance from the sprue gate near as the benchmark, solidify according to the position order by far and near, obtain the foundry goods that the organization is fine and close, excellent performance, the uniformity is good.

2. The pouring gate on the die of the utility model is arranged at the through hole of the steering rocker arm, and the casting head is removed and the through hole of the steering rocker arm is processed after the product is cast and molded; the mold can be rapidly and stably filled, the subsequent processing procedures are reduced, and the utilization rate of blank materials is improved.

3. The utility model discloses a whole of steering gear support is nearly style of calligraphy open structure, wherein, the lateral wall board encloses into half encirclement structure in the week of main part mounting panel, because steering gear support fixed mounting is on the frame of car bottom, and the steering gear support does not have the enclosure space, and the open structure can avoid the ponding condition, solves the support corrosion problem.

4. The utility model discloses a mode setting that the steering gear support adopted side wall board and triangle muscle is used for the lateral part mounting panel fixed with the frame, replaces prior art's barrel structure, and the structure is more simple compact, and the lightweight effect under the circumstances of proof strength is obvious.

5. The utility model discloses an edge of steering gear pilot hole and the edge of frame pilot hole all are equipped with the boss, and the boss plays local enhancement thickening effect, reduces stress concentration, avoids the bolt hole fracture.

6. The utility model discloses a first strengthening rib of steering gear support extends to the edge that turns to the rocking arm via hole on the medial surface of lateral wall board, can play the feeding effect that solidifies on the one hand, avoids foundry goods solidification in-process to produce the defect, and on the other hand has further improved the intensity of foundry goods on the main part mounting panel position, prevents that the foundry goods from warping, and follow-up processing need not to get rid of.

7. The utility model discloses a device such as filter screen or ceramic filter can be placed in the reposition of redundant personnel awl lower part to the mould when casting, harmful substance such as the degasification, clamp sediment improve the foundry goods quality.

The utility model discloses a mould can realize the order of foundry goods and solidify, obtains the cast aluminium steering gear support that comprehensive mechanical properties is good, and ball iron or cast steel steering gear on the fungible market satisfy under high strength and high elongation performance requirement, with weight reduction more than 50%.

Drawings

FIG. 1 is a schematic structural view of a steering gear bracket mold of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic view of an upper mold structure of the steering gear bracket mold of the present invention;

FIG. 4 is a schematic view of a lower die structure of the steering gear bracket die of the present invention;

FIG. 5 is a perspective view of the steering gear bracket of the present invention from the inside of its semi-enclosed structure;

fig. 6 is a top view of the steering gear bracket of the present invention;

fig. 7 is a bottom view of the steering gear bracket of the present invention;

fig. 8 is a perspective view of the steering gear bracket of the present invention from a perspective outside the semi-enclosed structure thereof;

fig. 9 is a perspective view of the steering gear bracket of the present invention viewed from another angle outside the semi-enclosed structure.

In the above drawings: 1. a main body mounting plate; 2. a side mounting plate; 3. a side wall panel; 4. a steering rocker arm through hole; 5. a diverter assembly hole; 6. a frame assembly hole; 7. a first reinforcing rib; 8. a second reinforcing rib; 9. a boss; 10. an upper die; 11. a lower die; 12. a spreader cone; 13. a mold cavity; 14. a cooling channel; 15. a pouring gate; 16. and (4) a filter screen.

Detailed Description

The invention will be further described with reference to the following drawings and examples:

example (b): lightweight steering gear support mould

Referring to fig. 1 to 9, the steering gear bracket is integrally cast and formed of an aluminum alloy material and is used for fixedly supporting the steering gear, and the entire steering gear bracket is fixed to the frame.

The steering gear support die comprises an upper die 10, a lower die 11 and a spreader cone 12; the upper die 10 and the lower die 11 are matched to form a die cavity 13 matched with the shape of the steering gear bracket product, and the sprue spreader 12 is positioned on the upper die 10 and used for bearing the impact of aluminum liquid during mold filling, so that the aluminum liquid flows uniformly, and the mold filling time is shortened; a plurality of cooling channels 14 are arranged on the upper die 10 and the lower die 11;

the steering gear support comprises a main body mounting plate 1, and a steering rocker arm through hole 4 for a steering rocker arm to pass through is formed in the main body mounting plate 1; and a pouring port 15 is arranged on the lower die 11 at a position corresponding to the steering rocker arm through hole 4 in the die cavity 13, the pouring port 15 is opposite to the spreader cone 12, and the pouring port 15 is communicated with a riser pipe on the heat preservation furnace storing the aluminum liquid.

During casting, a filter screen 16 or a ceramic filter plate and other devices can be arranged at the lower part of the spreader cone 12 to remove harmful substances such as bubbles and slag inclusion and improve the quality of castings.

The steering gear bracket also comprises two side mounting plates 2 and a side wall plate 3; the side wall plate 3 has two ends in the width direction of the plate body, wherein one end is defined as a first end, and the other end is defined as a second end; the end face of the main body mounting plate 1 is connected with the first end of the side wall plate 3, the side wall plate 3 is enclosed into a semi-enclosed structure in the circumferential direction of the main body mounting plate 1, the two side mounting plates 2 are mounted at the second end of the side wall plate 3 at intervals, one end of each side mounting plate 2 is connected with the second end of the side wall plate 3, and the other end of each side mounting plate 2 faces the outside of the semi-enclosed structure; the plate bodies of the two side mounting plates 2 are all perpendicular to the plate body of the side wall plate 3, and the two side mounting plates 2 are approximately symmetrically arranged.

The main body mounting plate 1 is provided with a steering rocker arm through hole 4 for a steering rocker arm to pass through, and the steering rocker arm passes through the steering rocker arm through hole 4 and then is assembled with other parts; the main body mounting plate 1 is also provided with five steering gear assembling holes 5 for fixing a steering gear on the steering gear bracket, the steering gear assembling holes 5 are through holes, and the hole walls of the steering gear assembling holes 5 are provided with threads matched with bolts; each side mounting plate 2 is provided with two frame assembling holes 6 for fixing the steering gear bracket on the frame, the frame assembling holes 6 are through holes, and the wall of each frame assembling hole 6 is provided with threads matched with the bolts; the edge of steering gear pilot hole 5 and the edge of frame pilot hole 6 all are equipped with boss 9, play the local thickening effect of strengthening, reduce stress concentration, avoid the bolt hole fracture.

One surface positioned in the semi-surrounding structure is used as the inner side surface of the side wall plate 3, one surface positioned outside the semi-surrounding structure is used as the outer side surface of the side wall plate 3, a first reinforcing rib 7 is arranged on the main body mounting plate 1 in the semi-surrounding structure, and the first reinforcing rib 7 extends to the edge of the steering rocker arm through hole 4 from the inner side surface of the side wall plate 3; outside the semi-enclosed structure, a total of five second reinforcing ribs 8 are provided between the outer side face of the side wall panel 3 and the side mounting panel 2, the second reinforcing ribs 8 being connected to the side mounting panel 2 from the outer side face of the side wall panel 3. The first reinforcing rib 7 and the second reinforcing rib 8 are both triangular reinforcing ribs, wherein one side of the first reinforcing rib 7 is connected with the inner side surface of the side wall plate 3.

Explanation of the present implementation:

1. according to the thickness of different positions of a product, cooling channels are designed at corresponding positions of a mold, more cooling channels 14 can be arranged at thicker positions, the cooling speed of different positions is controlled by adjusting the flow rate of a cooling medium of each cooling channel 14, the opening time and the closing time of each channel in the casting process, the cooling of the thick positions is accelerated, the casting is integrally solidified from far to near according to the sequence from a pouring gate 15, crystal grains are refined, the comprehensive mechanical property of the casting is improved, and the quality of the casting is ensured.

2. The utility model discloses a be equipped with five steering gear pilot holes 5 on the main part mounting panel 1, belong to the embodiment of preferred, the quantity of steering gear pilot hole 5 is not limited to this, and the quantity of steering gear pilot hole 5 can set up according to actual need such as different motorcycle types, different customer demands. Similarly, two frame mounting holes 6 are provided on each side mounting plate 2, which also belongs to the preferred embodiment, the number of the frame mounting holes 6 is not limited to this, and the number of the frame mounting holes 6 can be set according to the actual requirement as long as the steering gear bracket can be firmly fixed on the frame.

3. The utility model discloses a be equipped with a first strengthening rib 7 on the main part mounting panel 1, belong to the best embodiment, set up one and be based on simplifying the structure and simplifying the consideration of technology. If there is a higher strength requirement for the main body mounting plate 1, two first reinforcing ribs 7 may be provided on the main body mounting plate 1. Similarly, a total of five second ribs 8 are provided between the outer side surface of the side wall plate 3 and the side mounting plate 2, and the number and direction of the second ribs 8 can be adjusted according to the stress.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a lightweight steering gear support mould which characterized in that: comprises an upper die (10), a lower die (11) and a shunting cone (12); the upper die (10) and the lower die (11) are matched to form a die cavity (13) matched with the shape of the steering gear support product, and the sprue spreader (12) is positioned on the upper die (10); a plurality of cooling channels (14) are arranged on the upper die (10) and the lower die (11);

the steering gear support comprises a main body mounting plate (1), and a steering rocker arm through hole (4) for a steering rocker arm to pass through is formed in the main body mounting plate (1); and a pouring gate (15) is arranged on the lower die (11) at a position corresponding to the steering rocker arm through hole (4) in the die cavity (13), the pouring gate (15) is opposite to the shunting cone (12), and the pouring gate (15) is communicated with a riser tube on the heat preservation furnace.

2. The lightweight diverter support mold of claim 1, wherein: the steering gear bracket also comprises two side mounting plates (2) and a side wall plate (3); the side wall plate (3) is provided with two ends in the width direction of the plate body, wherein one end is defined as a first end, and the other end is defined as a second end; the end face of the main body mounting plate (1) is connected with the first end of the side wall plate (3), the side wall plate (3) is surrounded into a semi-surrounding structure in the circumferential direction of the main body mounting plate (1), the two side mounting plates (2) are mounted at the second end of the side wall plate (3) at intervals, one end of each side mounting plate (2) is connected with the second end of the side wall plate (3), and the other end of each side mounting plate (2) faces the outside of the semi-surrounding structure;

the main body mounting plate (1) is also provided with at least three steering gear assembling holes (5) for fixing a steering gear on the steering gear bracket; each side mounting plate (2) is provided with at least two frame assembly holes (6) for fixing the steering gear bracket on a frame;

one surface positioned in the semi-surrounding structure is used as the inner side surface of the side wall plate (3), one surface positioned outside the semi-surrounding structure is used as the outer side surface of the side wall plate (3), at least one first reinforcing rib (7) is arranged on the main body mounting plate (1) in the semi-surrounding structure, and the first reinforcing rib (7) extends to the edge of the steering rocker arm through hole (4) from the inner side surface of the side wall plate (3); and at least one second reinforcing rib (8) is arranged between the outer side face of the side wall plate (3) and the side mounting plate (2) outside the semi-surrounding structure, and the second reinforcing rib (8) is connected onto the side mounting plate (2) from the outer side face of the side wall plate (3).

3. The lightweight diverter support mold of claim 2, wherein: the steering gear assembling hole (5) is a through hole, and threads matched with the bolt are arranged on the hole wall of the steering gear assembling hole (5).

4. The lightweight diverter support mold of claim 2, wherein: the frame assembling hole (6) is a through hole, and threads matched with the bolt are arranged on the wall of the frame assembling hole (6).

5. The lightweight diverter support mold of claim 2, wherein: bosses (9) are arranged at the edges of the steering gear assembling holes (5) and the edges of the frame assembling holes (6).

6. The lightweight diverter support mold of claim 2, wherein: the first reinforcing rib (7) and the second reinforcing rib (8) are triangular reinforcing ribs, wherein one side of the first reinforcing rib (7) is connected with the inner side face of the side wall plate (3).

7. The lightweight diverter support mold of claim 2, wherein: the plate bodies of the two side mounting plates (2) are perpendicular to the plate bodies of the side wall plates (3).

8. The lightweight diverter support mold of claim 1, wherein: a filter screen (16) or a ceramic filter plate is arranged at the lower part of the flow dividing cone (12).