Steering knuckle vertical clamp

Abstract

The utility model relates to the technical field of automobile part manufacturing, and particularly discloses a vertical clamp for a steering knuckle. The vertical fixture for the steering knuckle comprises a vertical seat, wherein a first positioning block for positioning a main shaft hole of the automobile steering knuckle is arranged on one side of the vertical seat; the first positioning block is connected with a main body part fixing mechanism for fixing a main body part of the automobile steering knuckle; two first clamping mechanisms, a centering clamping mechanism and a second clamping mechanism are arranged on the periphery of the first positioning block, the two first clamping mechanisms can fix two connecting arms of the automobile steering knuckle, and the centering clamping mechanism can conduct centering fixing on a third connecting arm of the automobile steering knuckle; the second clamping mechanism can fix a fourth connecting arm of the automobile steering knuckle. The vertical clamp for the steering knuckle is high in positioning precision, good in stability and beneficial to improving the machining precision of the automobile steering knuckle.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts manufacturing, especially relates to a knuckle vertical fixture. BACKGROUND

[0002] In the process of machining the automobile steering knuckle, vertical machining of the automobile steering knuckle is involved. Since the shape of the automobile steering knuckle is irregular, it is difficult to vertically clamp and fix the automobile steering knuckle.

[0003] The patent with the publication number CN210060500U discloses a clamping device, which positions the main shaft hole of the steering knuckle by using a support seat, fixes the main body part and the two connecting arms of the automobile steering knuckle by using the first, second and third pressing parts arranged around the support seat, and fixes the third connecting arm of the automobile steering knuckle by using the intermediate pressing part.

[0004] However, with the development of technology, customers have increasingly high requirements for the machining precision of automobile steering knuckles. Therefore, it is necessary to improve the existing steering knuckle clamps to meet the high-precision machining requirements of automobile steering knuckles. SUMMARY

[0005] The utility model discloses a steering knuckle vertical fixture, which has high positioning precision and good stability, and is beneficial to improving the machining precision of automobile steering knuckles.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] A steering knuckle vertical fixture includes a stand, a first positioning block on one side of the stand for positioning the main shaft hole of the automobile steering knuckle, a main body part fixing mechanism connected to the first positioning block for fixing the main body part of the automobile steering knuckle, two first clamping mechanisms, a centering clamping mechanism and a second clamping mechanism arranged around the first positioning block, the two first clamping mechanisms capable of fixing the two connecting arms of the automobile steering knuckle, the centering clamping mechanism capable of centering and fixing the third connecting arm of the automobile steering knuckle, and the second clamping mechanism capable of fixing the fourth connecting arm of the automobile steering knuckle.

[0008] Further, the main body part fixing mechanism includes a limiting plate, a support, at least two pressing blocks and a driving assembly, the limiting plate is arranged at one end of the first positioning block facing the stand, the support is connected to one end of the first positioning block away from the stand, each pressing block is distributed on the support in a ring shape, and the driving assembly drives each pressing block to rotate and extend synchronously relative to the support to press and hold the main body part of the automobile steering knuckle on the limiting plate.

[0009] Further, the driving assembly comprises a sliding rod, at least two hinged blocks and a driving piece; the sliding rod is coaxially and slidingly connected in the first positioning block, and one end of the sliding rod is axially movably arranged through the support; the pressing block is hinged to one end of the sliding rod, and the hinged block is hinged between the pressing block and the support; and the driving piece drives the sliding rod to move axially.

[0010] Further, the support comprises a support body, at least two hinge parts are arranged on the side of the support body away from the first positioning block and are spaced apart in a ring shape, the hinge parts are hinged to the corresponding hinged blocks, and a second positioning block is arranged between two adjacent hinge parts.

[0011] Further, a pad plate is arranged between the limiting plate and the vertical seat.

[0012] Further, the second clamping mechanism comprises upper and lower clamping blocks arranged in a vertical mode, a sliding block and a sliding block driving piece; the upper clamping block is fixedly arranged on the vertical seat, the lower clamping block is rotatably arranged on the vertical seat, the sliding block is slidingly connected to the lower side of the lower clamping block, and the sliding block driving piece drives the sliding block to move horizontally.

[0013] Further, the side of the lower clamping block facing the upper clamping block is provided with a limiting column.

[0014] Further, the lower end of the vertical seat is connected with a fixing seat, one end of the lower clamping block is rotatably connected with the fixing seat, the sliding block is slidingly arranged on the fixing seat, and two guide plates for guiding the sliding block to slide are arranged on the fixing seat.

[0015] Further, the centering clamping mechanism comprises two connecting seats arranged in a relative mode, and side pressing assemblies are arranged on the opposite sides of the two connecting seats.

[0016] Further, two positioning rods are arranged between the first positioning block and the second clamping mechanism.

[0017] The steering knuckle vertical clamp of the utility model has the advantages that the first positioning block is used for positioning the main shaft hole of the automobile steering knuckle, the main body part fixing mechanism is used for fixing the main body part of the automobile steering knuckle, the two first clamping mechanisms, the centering clamping mechanism and the second clamping mechanism are used for fixing the four connecting arms of the automobile steering knuckle, so that the vertical clamping and fixing of the automobile steering knuckle are realized. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a structural schematic view of the steering knuckle vertical clamp.

[0019] Fig. 2 is the structural schematic view of the main body fixing mechanism.

[0020] Fig. 3 is the structural schematic view of the second clamping mechanism. DETAILED DESCRIPTION

[0021] The technical solutions of the utility model are further illustrated below in combination with the drawings and through specific embodiments.

[0022] As Figs. 1 to 3 shown, a knuckle vertical clamp comprises a stand 1, one side of the stand 1 is provided with a first positioning block 2 for positioning the main shaft hole of the automobile knuckle; the first positioning block 2 is connected with a main body fixing mechanism 3 for fixing the main body of the automobile knuckle; the periphery of the first positioning block 2 is provided with two first clamping mechanisms 4, a centering clamping mechanism 5 and a second clamping mechanism 6, the two first clamping mechanisms 4 are used for fixing the two connecting arms of the automobile knuckle, the centering clamping mechanism 5 is used for centering and fixing the third connecting arm of the automobile knuckle, and the second clamping mechanism 6 is used for fixing the fourth connecting arm of the automobile knuckle.

[0023] Specifically, as Fig. 2 shown, the main body fixing mechanism 3 comprises a limiting plate 31, a support 32, at least two pressing blocks 33 and a driving assembly; wherein the limiting plate 31 is arranged at one end of the first positioning block 2 facing the stand 1; the support 32 is connected to one end of the first positioning block 2 away from the stand 1; each pressing block 33 is distributed on the support 32 in a ring shape, and the driving assembly drives each pressing block 33 to rotate and extend synchronously relative to the support 32, so as to press and hold the main body of the automobile knuckle on the limiting plate 31.

[0024] In the embodiment, a pad 11 is arranged between the limiting plate 31 and the stand 1. The outer diameter of the support 32 is smaller than the outer diameter of the first positioning block.

[0025] In the embodiment, the driving assembly comprises a sliding rod 341, at least two hinged blocks 342 and a driving member for driving the sliding rod 341 to move axially. Wherein the sliding rod 341 is coaxially and slidingly connected in the first positioning block 2, and one end of the sliding rod 341 axially moves through the support 32, and the other end of the sliding rod 341 axially moves through the limiting plate 31 and the pad 11, and is connected with the driving end of the driving member installed on the stand 1. The pressing block 33 is hinged with one end of the sliding rod 341, and the hinged block 342 is hinged between the pressing block 33 and the support 32. Wherein the driving member is preferably a hydraulic cylinder.

[0026] Further, the support 32 comprises a support body in the shape of a truncated cone, and at least two hinge parts 321 are arranged on the side of the support body away from the first positioning block 2 and are spaced apart in the circumferential direction, and the hinge parts 321 are hinged with corresponding hinge blocks 342; and a second positioning block 322 is arranged between adjacent two hinge parts 321 to assist the first positioning block 2 in positioning the main shaft hole of the automobile steering knuckle.

[0027] In the embodiment, the first clamping mechanism 4 comprises a support cylinder 41, a pressure head 42 and a pressure head driving member 43. The support cylinder 41 is installed on the vertical seat 1; the pressure head driving member 43 drives the pressure head 42 to move linearly or rotate to one side to press and hold the connecting arm of the automobile steering knuckle on the support cylinder 41. Preferably, the pressure head driving member 43 is a hydraulic cylinder.

[0028] As shown in Fig. 3 , the second clamping mechanism 6 comprises an upper clamping block 61 and a lower clamping block 62 arranged in a vertical manner, a sliding block 63 and a sliding block driving member 64; the upper clamping block 61 is connected with the vertical seat 1 through an upper clamping block seat 68, and one end of the lower clamping block 62 is rotatably connected with a fixing seat 66 which is connected with the vertical seat 1. The sliding block 63 is connected with the lower clamping block 62 in a slanting surface sliding manner, and the sliding block driving member 64 is installed on the fixing seat 66 and is used to drive the sliding block 63 to move horizontally.

[0029] Further, a limiting column 65 is arranged on the side of the lower clamping block 62 facing the upper clamping block 61 to prevent the automobile steering knuckle from being crushed.

[0030] Further, the sliding block 63 is arranged on the fixing seat 66 in a sliding manner, and two guide plates 67 are arranged on the fixing seat 66 to guide the sliding of the sliding block 63.

[0031] In the embodiment, two positioning rods 7 are arranged between the first positioning block 2 and the second clamping mechanism 6 to position the fourth connecting arm of the automobile steering knuckle.

[0032] As shown in Fig. 1 , the centering clamping mechanism 5 comprises two connecting seats 51 arranged oppositely, and side pressure assemblies 52 are arranged on the opposite sides of the two connecting seats 51. In the embodiment, the side pressure assembly 52 comprises a side pressure head and a side pressure driving member which is used to drive the side pressure head to move linearly. Preferably, the side pressure driving member is a hydraulic cylinder.

[0033] The vertical clamp for the steering knuckle of the utility model, when in use, the main shaft hole of the automobile steering knuckle is positioned by the first positioning block 2, the main part of the automobile steering knuckle is fixed by the main part fixing mechanism 3, and the four connecting arms of the automobile steering knuckle are fixed by the two first clamping mechanisms 4, the centering clamping mechanism 5 and the second clamping mechanism 6, so that the vertical clamping and fixing of the automobile steering knuckle are realized. The vertical clamp for the steering knuckle has high positioning precision and good stability, and is favorable for improving the machining precision of the automobile steering knuckle.

[0034] The technical principles of the present application are described above in combination with specific embodiments. These descriptions are only for explaining the principles of the present application, and cannot be interpreted as limiting the protection scope of the present application in any way. Based on the explanations herein, other specific embodiments of the present application can be conceived by those skilled in the art without creative labor, and these embodiments will all fall within the protection scope of the present application.

Claims

1. A knuckle vertical fixture, characterized by, The application relates to a positioning device for automobile steering knuckles, which comprises a stand (1), a first positioning block (2) arranged on one side of the stand (1) and used for positioning a main shaft hole of the automobile steering knuckle, a main body fixing mechanism (3) connected with the first positioning block (2) and used for fixing a main body of the automobile steering knuckle, two first clamping mechanisms (4) arranged around the first positioning block (2) and used for fixing two connecting arms of the automobile steering knuckle, a centering clamping mechanism (5) arranged around the first positioning block (2) and used for centering and fixing a third connecting arm of the automobile steering knuckle, and a second clamping mechanism (6) arranged around the first positioning block (2) and used for fixing a fourth connecting arm of the automobile steering knuckle.

2. A knuckle vertical fixture according to claim 1, wherein The main body fixing mechanism (3) comprises a limiting plate (31), a support (32), at least two pressing blocks (33) and a driving assembly, the limiting plate (31) is arranged at one end of the first positioning block (2) facing the stand (1), the support (32) is connected to the other end of the first positioning block (2) away from the stand (1), the pressing blocks (33) are distributed on the support (32) in a ring shape, and the driving assembly drives the pressing blocks (33) to synchronously rotate and extend relative to the support (32) so as to press and hold the main body of the automobile steering knuckle on the limiting plate (31).

3. A knuckle vertical fixture according to claim 2, wherein The driving assembly comprises a sliding rod (341), at least two hinged blocks (342) and a driving piece, the sliding rod (341) is coaxially and slidingly connected in the first positioning block (2), one end of the sliding rod (341) axially penetrates through the support (32), the pressing blocks (33) are hinged to one end of the sliding rod (341), the hinged blocks (342) are hinged between the pressing blocks (33) and the support (32), and the driving piece drives the sliding rod (341) to axially move.

4. The knuckle vertical fixture of claim 2, wherein, The support (32) comprises a support body, at least two hinged parts (321) are arranged on the side of the support body away from the first positioning block (2) in a ring shape, the hinged parts (321) are hinged to the corresponding hinged blocks (342), and a second positioning block (322) is arranged between adjacent two hinged parts (321).

5. The knuckle vertical fixture of claim 2, wherein, A pad (11) is arranged between the limiting plate (31) and the stand (1).

6. The knuckle vertical fixture of claim 1, wherein, The second clamping mechanism (6) comprises an upper clamping block (61) and a lower clamping block (62) arranged in a vertical mode, a sliding block (63) and a sliding block driving piece (64), the upper clamping block (61) is fixedly arranged on the stand (1), the lower clamping block (62) is rotatably arranged on the stand (1), the sliding block (63) is obliquely and slidingly connected below the lower clamping block (62), and the sliding block driving piece (64) drives the sliding block (63) to horizontally move.

7. A knuckle upright clamp according to claim 6, wherein, One side of the lower clamping block (62) facing the upper clamping block (61) is provided with a limiting column (65).

8. A knuckle vertical fixture according to claim 6 or 7, wherein The lower end of the stand (1) is connected with a fixing seat (66), one end of the lower clamping block (62) is rotationally connected with the fixing seat (66); the sliding block (63) is slidingly arranged on the fixing seat (66), and two guide plates (67) for guiding the sliding of the sliding block (63) are arranged on the fixing seat (66).

9. The knuckle vertical fixture of claim 1, wherein, The centering and clamping mechanism (5) comprises two oppositely arranged connecting seats (51), and the opposite sides of the two connecting seats (51) are provided with side pressing assemblies (52).

10. The knuckle vertical fixture according to claim 1 or 6, wherein Two positioning rods (7) are arranged between the first positioning block (2) and the second clamping mechanism (6).

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