Automobile steering knuckle fixing device

Abstract

The utility model relates to the technical field of automobile part manufacturing, and particularly discloses an automobile steering knuckle fixing device. The automobile steering knuckle fixing device comprises a bottom plate, and a group of positioning and supporting assemblies, a main body part fixing mechanism and a connecting arm fixing mechanism which are arranged on the bottom plate, the positioning and supporting assembly can position and support the automobile steering knuckle; the main body part fixing mechanism can fix the main body part of the automobile steering knuckle; the connecting arm fixing mechanism comprises three rotary pressing mechanisms and a centering clamping mechanism, the three rotary pressing mechanisms can press and fix three connecting arms of the automobile steering knuckle, and the centering clamping mechanism can conduct centering clamping and fixing on the fourth connecting arm of the automobile steering knuckle. The automobile steering knuckle fixing device is simple in structure, convenient to take and place, high in positioning precision and low in maintenance cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to automobile parts manufacturing technical field especially, relate to a kind of automobile knuckle fixing device. BACKGROUND

[0002] The existing automobile knuckle processing is fixed with device, generally including bottom plate, positioning cavity being set on bottom plate, a group of positioning pin, four vertical compression components and a lateral compression component;When using, the main part of automobile knuckle is positioned by positioning cavity and a group of positioning pin, four vertical compression components are respectively used to press and fix four connecting arms of automobile knuckle, and one of the connecting arms of automobile knuckle is fixed laterally by lateral compression component.But, the structure of this fixing device is relatively complicated, and needs to be further simplified;It is inconvenient to take and place automobile knuckle, and the automobile knuckle and fixing device (positioning cavity and positioning pin) can be easily abraded during the taking and placing process, so that new bottom plate and positioning pin need to be frequently replaced, and the maintenance cost is higher. SUMMARY

[0003] The utility model aims at providing a kind of automobile knuckle fixing device, and the structure is simple, convenient to take and place, and the positioning precision is high, and the maintenance cost is low.

[0004] To achieve this purpose, the utility model adopts the following technical solutions:

[0005] A kind of automobile knuckle fixing device, including bottom plate and the positioning support component of a group being set on the bottom plate, main part fixed mechanism and connecting arm fixed mechanism;The positioning support component can be positioned and supported to automobile knuckle;The main part fixed mechanism can be fixed to the main part of automobile knuckle;The connecting arm fixed mechanism includes three rotating lower pressure mechanisms and centering clamping mechanism, three rotating lower pressure mechanisms can be fixed to the three connecting arms of automobile knuckle, and the centering clamping mechanism can be fixed to the fourth connecting arm of automobile knuckle.

[0006] Further, the positioning support component includes three positioning support blocks and elastic positioning column, three positioning support blocks are respectively positioned and supported to the three connecting arms of automobile knuckle, and the elastic positioning column is positioned and supported to the fourth connecting arm of automobile knuckle.

[0007] Further, the positioning support block includes support block ontology and positioning protrusion being protruded on the support block ontology;The positioning protrusion is in the shape of taper with upper narrow and lower wide.

[0008] Further, the main body part fixing mechanism comprises two positioning columns arranged at an included angle, a fixing block, a first side pressing block in sliding connection with the fixing block and a driving assembly; the positioning column is connected with a fixing seat, and the fixing seat is connected with the bottom plate; the fixing block is connected with the bottom plate, and the driving assembly can drive the first side pressing block to slide relative to the fixing block along the center line direction of the included angle of the two positioning columns.

[0009] Further, the driving assembly is located below the fourth connecting arm of the automobile steering knuckle, and comprises a sliding block and a lifting driving element for driving the sliding block to move up and down; the sliding block is in up and down sliding connection in the fixing block and in sliding contact with the inclined surface of the first side pressing block.

[0010] Further, a group of reset springs are arranged between the first side pressing block and the fixing block; limit protrusions are arranged on the two sides of the first side pressing block.

[0011] Further, the centering and clamping mechanism comprises two supports arranged oppositely, and second positioning blocks are arranged on the opposite sides of the two supports in a staggered manner; a second side pressing block and a side pressing driving element are arranged on the support, the second side pressing block is arranged opposite to the second positioning block, and the side pressing driving element drives the second side pressing block to move towards or away from the corresponding second positioning block.

[0012] Further, a first positioning block is mounted on the bottom plate, and an arc-shaped positioning surface for positioning the main body part of the automobile steering knuckle is arranged on one side of the first positioning block.

[0013] Further, the mounting position of the first positioning block on the bottom plate is adjustable.

[0014] Further, an avoiding hole for avoiding the main body part of the automobile steering knuckle is formed in the bottom plate.

[0015] The automobile steering knuckle fixing device of the utility model has the advantages that a group of positioning and supporting assemblies are used to position and support the automobile steering knuckle to be machined, a main body part fixing mechanism is used to position and fix the main body part of the automobile steering knuckle, a centering and clamping mechanism is used to center and clamp and fix the fourth connecting arm of the automobile steering knuckle, three rotating and pressing mechanisms are used to press and fix the three connecting arms of the automobile steering knuckle, so that the automobile steering knuckle is fixed. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of the automobile steering knuckle fixing device provided by the utility model.

[0017] Figure 2is a structural schematic view of the positioning support assembly.

[0018] Figure 3 is a structural schematic view of the main body fixing mechanism.

[0019] Figure 4 is a structural schematic view of the fixing block, the first side pressing block and part of the driving assembly.

[0020] Figure 5 is a structural schematic view of the first side pressing block.

[0021] Figure 6 is a structural schematic view of the centering and clamping mechanism. DETAILED DESCRIPTION

[0022] The technical solutions of the utility model will be further illustrated below in combination with the drawings and through specific embodiments.

[0023] As shown in Figures 1 to 6 , an automobile knuckle fixing device comprises a bottom plate 1 and a set of positioning support assemblies 2, a main body fixing mechanism 3 and a connecting arm fixing mechanism arranged on the bottom plate 1. The positioning support assemblies 2 are used for positioning and supporting the automobile knuckle 100; the main body fixing mechanism 3 is used for fixing the main body of the automobile knuckle 100; and the connecting arm fixing mechanism is used for fixing the four connecting arms of the automobile knuckle 100.

[0024] Specifically, as shown in Figure 2 , the positioning support assembly 2 comprises three positioning support blocks 21 and an elastic positioning column 22. The three positioning support blocks 22 are connected with the bottom plate 1 and are used for positioning and supporting the three connecting arms of the automobile knuckle 100 respectively; and the elastic positioning column 22 is used for positioning and supporting the fourth connecting arm of the automobile knuckle 100. In this embodiment, the three positioning support blocks 22 are distributed in a triangular shape, so that stable support of the automobile knuckle 100 can be formed; and the elastic positioning column 22 can not only position and support the automobile knuckle 100, but also can reduce the impact on the automobile knuckle 100, so as to achieve the purpose of protecting the automobile knuckle 100.

[0025] Further, the positioning support block 21 comprises a support block body 211 and a positioning protrusion 212 protruding on the support block body 211; preferably, the positioning protrusion 212 is in the shape of a tapered table with the upper part being narrow and the lower part being wide, so as to reduce the contact area with the automobile knuckle 100.

[0026] As shown in Figure 3 and 4As shown, the main body part fixing mechanism 3 comprises two positioning columns 31 arranged at an angle, a fixing block 32, a first side pressing block 33 in sliding connection with the fixing block 32, and a driving assembly 34. The positioning column 31 is connected with a fixing seat 35 which is connected with the bottom plate 1. The fixing block 32 is connected with the bottom plate 1. The driving assembly 34 is used to drive the first side pressing block 33 to slide relative to the fixing block 32 along the center line direction of the angle between the two positioning columns 31, so that the first side pressing block 33 cooperates with the two positioning columns 31 to fix the main body part of the automobile steering knuckle 100.

[0027] Since the positioning column 31 will be worn after long time use, in the embodiment, only the positioning column 31 needs to be disassembled from the fixing seat 35, and a new positioning column 31 is replaced, which greatly reduces the maintenance cost.

[0028] Further, the driving assembly 34 is located below the fourth connecting arm of the automobile steering knuckle 100 and comprises a sliding block 341 and a lifting driving member 342 used to drive the sliding block 341 to move up and down. The sliding block 341 is in up and down sliding connection in the fixing block 32 and in sliding contact with the inclined surface of the first side pressing block 33. In the embodiment, the sliding block 341 is connected with the driving end of the lifting driving member 342 through a connecting head 342. The lifting driving member 342 is preferably a pneumatic cylinder. The elastic positioning column 22 can be installed at the upper end of the lifting driving member 342.

[0029] A set of return springs 36 is arranged between the first side pressing block 33 and the fixing block 32. In use, under the driving of the lifting driving member 342, the sliding block 341 moves downward and pushes the first side pressing block 33 to slide outward relative to the fixing block 32 after overcoming the elastic force of the return spring 36, so that the first side pressing block 33 is pressed against the outer circumferential side of the main body part of the automobile steering knuckle 100. After processing, under the driving of the lifting driving member 342, the sliding block 341 moves upward, and the first side pressing block 33 is reset under the elastic force of the return spring 36, so as to loosen the pressing of the main body part of the automobile steering knuckle 100.

[0030] As shown in the figure, Figure 5 The two sides of the first side pressing block 33 are provided with limiting protrusions 331 to prevent the first side pressing block 33 from disengaging from the fixing block 32.

[0031] In the embodiment, the first positioning block 5 is installed on the bottom plate 1. One side of the first positioning block 5 is provided with an arc-shaped positioning surface used to position the main body part of the automobile steering knuckle 100. In use, the arc-shaped positioning surface is used to position the outer circumferential side of the main body part of the automobile steering knuckle 100.

[0032] Further, the installation position of the first positioning block 5 on the bottom plate 1 is adjustable. In the embodiment, two long strip-shaped adjusting holes are formed on the first positioning block 5, and threaded holes corresponding to the adjusting holes are formed on the bottom plate 1. During installation, the screws are screwed into the corresponding threaded holes through the adjusting holes, so as to install the first positioning block 5 on the bottom plate 1. When adjusting the first positioning block 5, the two screws are loosened, the first positioning block 5 is moved, and then the two screws are tightened.

[0033] As shown in Figure 1 , the connecting arm fixing mechanism comprises a centering clamping mechanism 42 and three rotating and pressing mechanisms 41; wherein the three rotating and pressing mechanisms 41 are used for pressing and fixing the three connecting arms of the automobile steering knuckle 100, and the centering clamping mechanism 42 is used for centering and clamping the fourth connecting arm of the automobile steering knuckle 100.

[0034] In the embodiment, as shown in Figure 6 , the centering clamping mechanism 42 comprises two supports 421 oppositely arranged and connected by a connecting rod 425, and second positioning blocks 422 are arranged on the opposite sides of the two supports 421. A second side pressing block 423 and a side pressing driving member 424 are arranged on the support 421, wherein the second side pressing block 423 is arranged opposite to the second positioning block 422, and the side pressing driving member 424 is used for driving the second side pressing block 423 to move towards or away from the corresponding second positioning block 422, so as to realize the clamping and fixing of the fourth connecting arm of the automobile steering knuckle 100 by cooperation of the second side pressing block 423 and the second positioning block 422. In the embodiment, the side pressing driving member 424 is preferably a hydraulic cylinder.

[0035] In use, under the driving of the two side pressing driving members 424, the two second side pressing blocks 422 move towards each other and cooperate with the corresponding second positioning blocks 422 to realize the centering and clamping of the fourth connecting arm of the automobile steering knuckle 100.

[0036] In the embodiment, as shown in Figure 1 , the rotating and pressing mechanism 41 comprises a pressing head and a pressing head hydraulic cylinder for driving the rotating and pressing of the pressing head. Preferably, in the pressing state, the pressing head is located directly above the corresponding positioning and supporting block 21.

[0037] In the embodiment, the bottom plate 1 is provided with an avoiding hole 11 for avoiding the main body of the automobile steering knuckle 100. In this way, the height of the entire fixing device can be reduced, so that the entire fixing device occupies a small height space and has a low manufacturing cost.

[0038] In one embodiment of the utility model, two automobile steering knuckle fixing devices symmetrically arranged can share one bottom plate 1, and two rotating and pressing mechanisms 41 located in the middle can share one power source, that is, one power source drives two pressing heads to rotate and press on two automobile steering knuckles 100 respectively.

[0039] The utility model discloses an automobile steering knuckle fixing device, when using, utilize each positioning support block 21 and elastic positioning column 22 to the automobile steering knuckle 100 of processing to position support, utilize main part fixed establishment 2 to the main part of automobile steering knuckle 100 is positioned fixed, utilize centering clamping mechanism 42 to the fourth connecting arm of automobile steering knuckle 100 is centered and clamped fixed, utilize three rotating and pressing mechanisms 41 to the three connecting arms of automobile steering knuckle 100 are pressed and hold fixed, thereby realize the fixation to automobile steering knuckle 100. The automobile steering knuckle fixing device simple structure, take and put conveniently, and positioning accuracy is high, and maintenance cost is low.

[0040] The technical principles of the utility model are described above in combination with specific embodiments. These descriptions are only for explaining the principles of the utility model, and cannot be explained as the limitation of the protection scope of the utility model in any way. Based on the explanation here, the skilled in the art can think of other specific embodiments of the utility model without creative labor, and these embodiments will fall into the protection scope of the utility model.

Claims

1. An automobile knuckle fixing device characterized by comprising: The application relates to a positioning and supporting assembly for an automobile steering knuckle, which comprises a bottom plate (1), a set of positioning and supporting components (2) arranged on the bottom plate (1), a main body part fixing mechanism (3) and a connecting arm fixing mechanism.

2. The knuckle fixing device for vehicle according to claim 1, wherein The positioning and supporting components (2) can position and support the automobile steering knuckle (100); the main body part fixing mechanism (3) can fix the main body part of the automobile steering knuckle (100); the connecting arm fixing mechanism comprises three rotating and pressing mechanisms (41) and a centering and clamping mechanism (42), the three rotating and pressing mechanisms (41) can press and fix the three connecting arms of the automobile steering knuckle (100), and the centering and clamping mechanism (42) can center and clamp the fourth connecting arm of the automobile steering knuckle (100).

3. The knuckle fixing device for vehicle according to claim 2, wherein The positioning and supporting components (2) comprise three positioning and supporting blocks (21) and an elastic positioning column (22), the three positioning and supporting blocks (21) position and support the three connecting arms of the automobile steering knuckle (100) respectively, and the elastic positioning column (22) positions and supports the fourth connecting arm of the automobile steering knuckle (100).

4. The knuckle fixing device for vehicle as set forth in claim 1, characterized by The positioning and supporting blocks (21) comprise block bodies (211) and positioning protrusions (212) protruding from the block bodies (211); the positioning protrusions (212) are in the shape of tapered tables with narrow upper parts and wide lower parts.

5. The knuckle fastening device for a vehicle according to claim 4, wherein The main body part fixing mechanism (3) comprises two positioning columns (31) arranged at an angle, a fixing block (32), a first side pressing block (33) in sliding connection with the fixing block (32) and a driving assembly (34); the positioning columns (31) are connected with fixing seats (35) connected with the bottom plate (1); the fixing block (32) is connected with the bottom plate (1), and the driving assembly (34) can drive the first side pressing block (33) to slide relative to the fixing block (32) along the center line direction of the angle between the two positioning columns (31).

6. A knuckle fixing device for a vehicle according to claim 4 or 5, wherein The driving assembly (34) is located below the fourth connecting arm of the automobile steering knuckle (100) and comprises a sliding block (341) and a lifting driving element for driving the sliding block (341) to move up and down; the sliding block (341) is in up-and-down sliding connection in the fixing block (32) and is in sliding contact with the inclined surface of the first side pressing block (33).

7. The knuckle fastening device of claim 1, wherein A set of reset springs (36) are arranged between the first side pressing block (33) and the fixing block (32); limit protrusions (331) are protruding from the two sides of the first side pressing block (33). The centering and clamping mechanism (42) comprises two supports (421) arranged oppositely, second positioning blocks (422) are arranged on the opposite sides of the two supports (421) in a staggered mode; second side pressing blocks (423) and side pressing driving elements (424) are arranged on the supports (421), the second side pressing blocks (423) are arranged opposite to the second positioning blocks (422), and the side pressing driving elements (424) drive the second side pressing blocks (423) to move towards or away from the corresponding second positioning blocks (422).

8. The knuckle fastening device of claim 1, wherein The bottom plate (1) is provided with a first positioning block (5), and one side of the first positioning block (5) is provided with an arc-shaped positioning surface for positioning the main body of the automobile steering knuckle (100).

9. The knuckle fixation device of claim 8, wherein: The mounting position of the first positioning block (5) on the bottom plate (1) is adjustable.

10. The knuckle fixing device for vehicle according to claim 1, wherein The bottom plate (1) is provided with an avoiding hole (11) for avoiding the main body of the automobile steering knuckle (100).

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