阅读说明：本技术 一种桥壳及其制备方法 (Axle housing and preparation method thereof ) 是由 许玉丽 于 2021-02-03 设计创作，主要内容包括：本发明提供了一种桥壳,包括桥壳主体,所述桥壳主体中间部分开设有圆孔,桥壳主体两侧通过连接柱连接有半轴套管,所述连接柱上设有安装组件；所述安装组件包括安装盒,安装盒内转动设有安装转轴。本发明通过桥壳主体、半轴套管等结构一体成型,桥壳强度大,通过桥壳主体、半轴套管等结构一体成型,桥壳强度大,液体水胀成型：把步骤二的桥壳主体放到模具里,利用1万吨多项水胀液压机进行填充成型处理,该水胀液压机成型具备能耗降低、无污染、低能耗、产能提高、人力成本降低、尺寸稳定、一次性成型,通过水涨内部强度大,相比热涨成型稳定强。(The invention provides an axle housing which comprises an axle housing main body, wherein a round hole is formed in the middle of the axle housing main body, two sides of the axle housing main body are connected with a semi-axle sleeve through connecting columns, and mounting assemblies are arranged on the connecting columns; the mounting assembly comprises a mounting box, and a mounting rotating shaft is arranged in the mounting box in a rotating mode. The axle housing is integrally formed by the axle housing main body, the axle sleeve and the like, the axle housing is high in strength, and liquid swells and forms: and (2) placing the axle housing main body obtained in the second step into a die, and performing filling molding treatment by using a 1 ten thousand-ton multi-item water swelling hydraulic machine, wherein the water swelling hydraulic machine has the advantages of low energy consumption, no pollution, low energy consumption, high productivity, low labor cost, stable size and one-step molding, and has high internal strength through water swelling and is more stable than thermal swelling.)

1. The axle housing is characterized by comprising an axle housing main body (1), wherein a round hole (2) is formed in the middle of the axle housing main body (1), both sides of the axle housing main body (1) are connected with a half-axle sleeve (4) through connecting columns (3), and mounting assemblies (5) are arranged on the connecting columns (3);

the mounting assembly (5) comprises a mounting box (51), a mounting rotating shaft (52) is rotatably arranged in the mounting box (51), a positive thread area (53) and a negative thread area (54) are arranged on the mounting rotating shaft (52), and the positive thread area (53) and the negative thread area (54) are in threaded connection with a threaded moving block (55);

be equipped with fixed mounting pole (56) on screw movable block (55), fixed mounting pole (56) pass removal mouth (511) setting of mounting box (51), be equipped with drive bevel gear (58) on installation pivot (52), drive bevel gear (58) meshing has driven bevel gear (59), and driven bevel gear (59) are connected with power pivot (510), and power pivot (510) pass mounting box (51) and are connected with the handle, the bottom wall is equipped with stop gear (57) in mounting box (51), and stop gear (57) are used for spacing screw movable block (55).

2. The axle housing as claimed in claim 1, wherein the limiting mechanism (57) comprises a limiting box (571), a main limiting column (572) is arranged in the limiting box (571), slave limiting columns (573) are arranged on two sides of the main limiting column (572), a stabilizing rod (574) is arranged in the main limiting column (572), a stabilizing sleeve block (575) is sleeved on the stabilizing rod (574), the stabilizing sleeve block (575) is connected with a connecting frame (576), the connecting frame (576) penetrates through the main limiting column (572) to be connected with a slave limiting rod (577), the slave limiting rod (577) is connected with a power limiting rod (578), the power limiting rod (578) penetrates through the limiting box (571) to be connected with a threaded moving block (55), a linkage mechanism (6) is arranged on the inner bottom wall of the limiting box (571), the two stabilizing sleeve blocks (575) are connected through a stabilizing spring (5710), and the stabilizing sleeve blocks (575) are hinged to a stabilizing sliding block (5711) through a stabilizing inclined rod, the stabilizing slider (5711) is slidably disposed within the main limit post (572).

3. An axle housing as claimed in claim 2, characterised in that the power limit rod (578) and the limit box (571) are connected by a power spring (579).

4. An axle housing as claimed in claim 1, characterised in that the linkage mechanism (6) comprises a linkage box (61), a linkage slider (62) is arranged in the linkage box (61) in a sliding manner, a linkage column (63) is arranged at the upper part of the linkage slider (62), and the linkage column (63) penetrates through the linkage box (61) to be connected with the stabilizing slider (5711).

5. An axle housing as claimed in claim 4, characterised in that the linkage slider (62) is connected to the linkage box (61) by a linkage spring (64).

6. An axle housing as claimed in claim 4, characterised in that the linkage box (61) is hingedly connected to the secondary restraint posts (573) by linkage diagonal rods (65).

7. An axle housing as claimed in claim 1, characterised in that the threads of the positive and negative threaded zones (53, 54) are opposite.

8. The preparation method of the axle housing is characterized by comprising the following steps:

the method comprises the following steps: blanking a round pipe; the laser head band servo rotating head discharges a circular tube, and the circular tube is pulled out to be molded to obtain an axle housing main body (1);

step two: the half-shaft sleeve (4) is reduced by a pipe reducing machine, and the axle housing main body (1) is pushed into a square shape by a hydraulic square pushing machine;

step three: liquid water swelling forming: placing the axle housing main body (1) in the step two into a mold, and performing filling molding treatment by using a 1 ten thousand ton multinomial water swelling hydraulic machine;

step four: a lute hole is cut out of the axle housing body (1) by a laser cutter to form a round hole (2), and then the mounting component (5) is formed on the connecting column (3).

Technical Field

The invention relates to the technical field of axle housings, in particular to an axle housing and a preparation method thereof.

Background

The automobile axle housing is an important part of an automobile, and has high requirements on the mechanical properties of the product. At present, the axle housing parts of domestic medium and heavy truck are structurally divided into an integral type and a separable type, and the integral type is also divided into an integral casting type, a steel plate stamping and welding type and a steel pipe expanding type. The material used in the integral casting is generally nodular cast iron, ZG310-570, ZG270-500, ZG25Mn, ZG40Cr, etc.

The existing axle housing has poor overall strength and inconvenient installation, and in addition, each link needs to be stared in the manufacturing process, so the process flow is long. Low efficiency and increased energy consumption. In the processing process, the product deforms after thermal expansion, the size is easy to be inconsistent with the requirement of secondary processing, the stability is poor, and the product cannot be molded at one time.

Disclosure of Invention

The invention aims to provide an axle housing and a preparation method thereof, and aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

an axle housing comprises an axle housing main body, wherein a round hole is formed in the middle of the axle housing main body, both sides of the axle housing main body are connected with axle sleeves through connecting columns, and mounting assemblies are arranged on the connecting columns;

the mounting assembly comprises a mounting box, a mounting rotating shaft is rotatably arranged in the mounting box, a positive thread area and a negative thread area are arranged on the mounting rotating shaft, and the positive thread area and the negative thread area are in threaded connection with a threaded moving block;

the thread moving block is provided with a fixed mounting rod, the fixed mounting rod penetrates through a moving opening of the mounting box and is provided with a driving bevel gear, the driving bevel gear is meshed with a driven bevel gear, the driven bevel gear is connected with a power rotating shaft, the power rotating shaft penetrates through the mounting box and is connected with a handle, the inner bottom wall of the mounting box is provided with a limiting mechanism, and the limiting mechanism is used for limiting the thread moving block.

Preferably, stop gear includes spacing box, is equipped with main limit post in the spacing box, and main limit post both sides are equipped with from the limit post, are equipped with the stabilizer bar in the main limit post, and the cover is equipped with stable cover piece on the stabilizer bar, and stable cover piece with even put up and be connected, even put up and pass main limit post and be connected from the gag lever post, from the gag lever post with power gag lever post be connected, the power gag lever post passes spacing box and is connected with screw thread movable block, the diapire is equipped with link gear, two in the spacing box between the stable cover piece through stablizing spring coupling, it has the stable slider to stabilize the cover piece through stablizing that the down tube articulates jointly, and the stable slider slides in main limit post and sets.

Preferably, the power limiting rod is connected with the limiting box through a power spring.

Preferably, the linkage mechanism comprises a linkage box, a linkage sliding block is arranged in the linkage box in a sliding mode, a linkage column is arranged on the upper portion of the linkage sliding block, and the linkage column penetrates through the linkage box to be connected with the stabilizing sliding block.

Preferably, the linkage slider is connected with the linkage box through a linkage spring.

Preferably, the linkage box is hinged and connected with the secondary limiting column through a linkage inclined rod.

Preferably, the threads of the positive thread region and the reverse thread region are opposite.

A preparation method of an axle housing comprises the following steps:

the method comprises the following steps: blanking a round pipe; the laser head band servo rotating head discharges a circular tube, and the circular tube is pulled out to be molded to obtain an axle housing main body;

step two: reducing the semi-axis sleeve by using a pipe reducing machine, and pushing the axle housing main body into a square by using a hydraulic square pushing machine;

step three: liquid water swelling forming: placing the axle housing main body in the second step into a mold, and performing filling molding treatment by using a 1 ten thousand ton multinomial water swelling hydraulic machine;

step four: and cutting lute holes in the axle housing body by using a laser cutter to form round holes, and then forming the mounting assembly on the connecting column.

Compared with the prior art, the invention has the beneficial effects that

(1) The axle housing is integrally formed by the axle housing main body, the axle housing sleeve and other structures, the axle housing is high in strength, and the axle housing is formed by liquid water swelling: and (2) placing the axle housing main body obtained in the second step into a die, and performing filling molding treatment by using a 1 ten thousand-ton multi-item water swelling hydraulic machine, wherein the water swelling hydraulic machine has the advantages of low energy consumption, no pollution, low energy consumption, high productivity, low labor cost, stable size and one-step molding, and has high internal strength through water swelling and is more stable than thermal swelling.

(2) Through when to axle housing fixed mounting, drive power pivot through the handle and rotate, driven bevel gear rotates, and the drive bevel gear rotates, and then the installation pivot rotates, and positive thread district, back thread district rotate, and the screw thread in positive thread district, back thread district is opposite to realize that the screw moves the piece and removes in opposite directions, and then drive the fixed mounting pole and remove, thereby press from both sides tight fixedly with the installation thing, the convenience is installed axle housing main part.

(3) Through axle housing main part, semi-axis sleeve pipe isotructure integrated into one piece, axle housing intensity is big, through when to axle housing fixed mounting, drives the power pivot through the handle and rotates, and driven bevel gear rotates, and the drive bevel gear rotates, then the installation pivot rotates, and positive thread district, the rotation of left-hand thread district, the screw thread in positive thread district, left-hand thread district is opposite to realize that the screw moves the piece and remove in opposite directions, and then drive the fixed mounting pole and remove, thereby press from both sides tight fixedly with the installation thing, the convenience is installed axle housing main part.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the mounting assembly of the present invention;

FIG. 3 is a schematic structural view of a spacing mechanism of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;

FIG. 5 is a schematic structural diagram of the linkage mechanism of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, in the embodiment of the invention, an axle housing comprises an axle housing main body 1, a circular hole 2 is formed in the middle of the axle housing main body 1, two sides of the axle housing main body 1 are connected with a half-axle sleeve 4 through connecting columns 3, and mounting assemblies 5 are arranged on the connecting columns 3;

the mounting assembly 5 comprises a mounting box 51, a mounting rotating shaft 52 is rotatably arranged in the mounting box 51, a positive thread area 53 and a negative thread area 54 are arranged on the mounting rotating shaft 52, and the positive thread area 53 and the negative thread area 54 are in threaded connection with a threaded moving block 55;

the thread moving block 55 is provided with a fixed mounting rod 56, the fixed mounting rod 56 penetrates through a moving opening 511 of the mounting box 51, the mounting rotating shaft 52 is provided with a driving bevel gear 58, the driving bevel gear 58 is meshed with a driven bevel gear 59, the driven bevel gear 59 is connected with a power rotating shaft 510, the power rotating shaft 510 penetrates through the mounting box 51 and is connected with a handle, a limiting mechanism 57 is arranged on the inner bottom wall of the mounting box 51, and the limiting mechanism 57 is used for limiting the thread moving block 55.

Through axle housing main part 1, semi-axis sleeve pipe 4 isotructure integrated into one piece, axle housing intensity is big, through when to axle housing fixed mounting, drive power pivot 510 through the handle and rotate, driven bevel gear 59 rotates, drive bevel gear 58 rotates, then installation pivot 52 rotates, positive thread district 53, reverse thread district 54's screw thread is opposite, thereby realize that screw thread moves piece 55 and remove in opposite directions, and then drive fixed mounting pole 56 and remove, thereby press from both sides to be fixed with the installation thing, the convenience is installed axle housing main part 1.

The limiting mechanism 57 of this embodiment includes a limiting box 571, a main limiting column 572 is provided in the limiting box 571, slave limiting columns 573 are provided on two sides of the main limiting column 572, a stabilizing rod 574 is provided in the main limiting column 572, a stabilizing sleeve block 575 is sleeved on the stabilizing rod 574, the stabilizing sleeve block 575 is connected with a connecting frame 576, the connecting frame 576 passes through the main limiting column 572 to be connected with a slave limiting rod 577, the slave limiting rod 577 is connected with a power limiting rod 578, the power limiting rod 578 passes through the limiting box 571 to be connected with a threaded moving block 55, a linkage mechanism 6 is provided on the inner bottom wall of the limiting box 571, the two stabilizing sleeve blocks 575 are connected through a stabilizing spring 5710, the stabilizing sleeve blocks 575 are hinged together through a stabilizing inclined rod to form a stabilizing slider 5711, and the stabilizing slider 5711 is slidably provided in the main.

The power limiting rod 578 and the limiting box 571 of the present embodiment are connected by a power spring 579.

The linkage mechanism 6 of the embodiment comprises a linkage box 61, a linkage sliding block 62 is arranged in the linkage box 61 in a sliding mode, a linkage column 63 is arranged on the upper portion of the linkage sliding block 62, and the linkage column 63 penetrates through the linkage box 61 to be connected with a stabilizing sliding block 5711.

The interlocking slider 62 and the interlocking box 61 of the present embodiment are connected by an interlocking spring 64.

The interlocking box 61 and the slave limiting column 573 of the present embodiment are hinged and connected by an interlocking slant rod 64.

The threads of the positive thread region 53 and the negative thread region 54 of this embodiment are reversed.

Move through screw thread movable block 55, and then power limit pole 578 removes, remove from limit pole 577, power spring 579 is tensile, even frame 576 drives stable cover block 575 simultaneously and removes, it removes to stabilize cover block 575, it realizes compressing and reseing to stabilize spring 5710, then it changes to stabilize the down tube angle, it removes to stabilize slider 5711, thereby it slides in linkage box 61 to drive linkage slider 62, linkage spring 64 realizes compressing and reseing, improve screw thread movable block 55 mobility stability, and then improved fixed mounting pole 56 mobility stability.

The axle housing manufacturing method of the embodiment comprises the following steps:

the method comprises the following steps: blanking a round pipe; the laser head band servo rotating head discharges a circular tube, and the circular tube is pulled out for molding to obtain an axle housing main body 1;

step two: the semi-axis sleeve 4 is reduced by a pipe reducing machine, and the axle housing body 1 is pushed into a square shape by a hydraulic square pushing machine;

step three: liquid water swelling forming: placing the axle housing main body 1 in the step two into a mold, and performing filling molding treatment by using a 1 ten thousand ton multinomial water swelling hydraulic machine; the water expansion hydraulic press has the advantages of reduced energy consumption, no pollution, low energy consumption, improved productivity, reduced labor cost, stable size and one-step molding, and has high internal strength through water expansion and stronger stability compared with hot expansion molding.

Step four: a lute hole is cut in the axle housing body 1 through a laser cutter to form a round hole 2, and then the mounting component 5 is formed on the connecting column 3.

The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.