Machining jig for automobile steering knuckle

Abstract

The utility model discloses a machining jig for an automobile steering knuckle. The machining jig comprises a bottom ring, a clamping rod is arranged on the bottom ring, a top ring is arranged at the top of the clamping rod, sliding grooves are formed in the bottom ring and the top ring, and a wear-resisting pad and a supporting rod are arranged on the side portion of the clamping rod. A connecting rod is fixedly connected to the lower surface of the top ring, an adjusting ring is fixedly connected to the lower surface of the connecting rod, a push rod and a spring are arranged on the side portion of the adjusting ring, a limiting ring is arranged on the push rod, a push plate and an arc block are fixedly connected to the two ends of the push rod respectively, and a threaded rod is in threaded connection with the interior of the bottom ring. And the top of the threaded rod is fixedly connected with a moving block. Through the device, the threaded rod in threaded connection with the bottom ring can drive the moving block to move up and down and push the push rod and the clamping rod to expand, so that the clamping rod can uniformly expand and tightly clamp the automobile steering knuckle, the clamping stability is improved, workpiece deformation is prevented, and better positioning precision and protection effect are provided in the machining process.

Description

TECHNICAL FIELD

[0001] The utility model relates to steering knuckle technical field especially relates to a processing fixture for automobile steering knuckle. BACKGROUND

[0002] In the automobile manufacturing process, the automobile steering knuckle as the key suspension component, its machining precision is directly related to the safety and handling performance of the whole vehicle. Because the steering knuckle structure is complex, the size requirement is strict, needs through the high-precision clamping device to fix the workpiece when processing, prevents the displacement, the scratch even the deformation due to the clamping instability or uneven stress in the processing process.

[0003] The existing steering knuckle technology technology adopts the fixed type and clamps, but this mode is not accurate, and is inconvenient to adjust, such as the Chinese patent discloses "a processing fixture for automobile steering knuckle", and its application number is "CN202320494843.6", which adopts the telescopic push plate, and the hinge part on the end of the push plate pushes the polishing plate to move, and the polishing plate and the inner side wall of the bearing bolt mounting hole are contacted, and the polishing and wiping of the inner side wall of the bearing bolt mounting hole are carried out, but it cannot clamp the automobile steering knuckle effectively. SUMMARY

[0004] The utility model discloses a processing fixture for automobile steering knuckle, through the screw rod drive moving block ascension, drive arc block push away push rod and push plate, make the clamping rod along the expansion of the sliding slot, thereby firmly clamping the automobile steering knuckle. When clamping, the threaded rod locking device fixes the clamping state, ensures that the steering knuckle does not loosen or tilt in the processing. The design of wear-resistant pad effectively prevents the workpiece surface from being damaged during clamping, and ensures the processing quality. The multi-directional clamping structure makes the steering knuckle force uniform, avoids deformation, and improves the machining precision.

[0005] The utility model discloses still provide with above -mentioned one kind automobile steering knuckle processing fixture, it include: bottom ring is provided with clamping rod on the bottom ring, the clamping rod top is provided with top ring, the bottom ring with top ring all are provided with sliding slot, the clamping rod side is provided with wear -resistant pad and support rod;The connecting rod is fixedly connected on the top ring lower surface, the adjusting ring is fixedly connected on the connecting rod lower surface, the push rod and spring are set up on the adjusting ring side, the limit ring is set up on the push rod, and the push plate and arc block are fixedly connected on the both ends of the push rod, the threaded rod is connected in the bottom ring screw, and the threaded rod top is fixedly connected with moving block. Through the threaded rod of the threaded connection in the bottom ring, the moving block can be driven to move up and down, the push rod and the clamping rod are expanded, the clamping rod can be evenly expanded and tightly clamped on the automobile steering knuckle, the clamping stability is improved, the workpiece deformation is prevented, and better positioning accuracy and protection effect are provided in the processing.

[0006] According to the utility model discloses a kind of machining jigs for automobile steering knuckle, the clamping rod is convex shape, the clamping rod is around on bottom ring.Through above device, the shape of clamping rod makes clamping structure more stable, improves clamping accuracy.

[0007] According to the utility model discloses a kind of machining jigs for automobile steering knuckle, clamping rod two ends are slidably connected in the inside of sliding slot, the number of sliding slot and clamping rod is equal.Through above device, through sliding slot, ensure that clamping rod can move along sliding slot stably, it is convenient to adjust clamping range.

[0008] According to the utility model discloses a kind of machining jigs for automobile steering knuckle, the branch is L shape, the wear pad is located in the side of clamping rod.Through above device, through branch, enhance clamping stability, avoid scratch steering knuckle in clamping process simultaneously.

[0009] According to the utility model discloses a kind of machining jigs for automobile steering knuckle, the connecting rod is located in the inner layer of clamping rod, the adjusting ring is located in the middle of clamping rod.Through above device, through the position of adjusting ring, optimize the transmission path of clamping force, improve clamping uniformity.

[0010] According to the utility model discloses a kind of machining jigs for automobile steering knuckle, the push rod is through the side of adjusting ring, the push plate is attached to the middle of clamping rod, the arc block is slope shape.Through above device, through slope thrust force, realize the synchronous extension of clamping rod, improve clamping efficiency.

[0011] According to the utility model discloses a kind of machining jigs for automobile steering knuckle, the bottom of threaded rod is provided with rotating rod and locking device, the threaded rod is through bottom ring.Through above device, through rotating rod and locking device, it is convenient for operator to adjust clamping degree, and through locking device, ensure clamping stability.

[0012] According to the utility model discloses a kind of machining jigs for automobile steering knuckle, the slope gradient of the moving block and arc block is embedded, the moving path of the moving block is located in the inner layer of arc block.Through above device, through moving block and arc block, ensure that moving block and arc block cooperate stably, improve the accuracy and reliability of push rod extension.

[0013] Beneficial effects

[0014] Compared with prior art, the machining jig for automobile steering knuckle, through threaded rod drive moving block ascension, drive arc block push away push rod and push plate, make clamping rod expand along sliding slot, so as to firmly hold automobile steering knuckle.When clamping, threaded rod locking device fixes clamping state, ensure that steering knuckle does not loosen or tilt in processing process.The design of wear pad effectively prevents workpiece surface from being damaged in clamping process, guarantees processing quality.Multi-directional clamping structure makes steering knuckle stress uniform, avoids deformation, improves processing accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model is further illustrated below in combination with the drawings and embodiments.

[0016] Figure 1 It is the front view of the machining jig for automobile steering knuckle of the utility model;

[0017] Figure 2 It is the Figure 1 internal structure diagram of the machining jig for automobile steering knuckle of the utility model;

[0018] Figure 3 It is the Figure 1 top sectional view of the machining jig for automobile steering knuckle of the utility model;

[0019] Figure 4 It is the Figure 2 enlarged view of A in the machining jig for automobile steering knuckle of the utility model;

[0020] Figure 5 It is the Figure 3 enlarged view of B in the machining jig for automobile steering knuckle of the utility model.

[0021] Legend:

[0022] 1, bottom ring; 2, top ring; 3, clamping rod; 4, wear pad; 5, support rod; 6, sliding slot; 7, connecting rod; 8, adjusting ring; 9, push rod; 10, spring; 11, limiting ring; 12, push plate; 13, arc block; 14, moving block; 15, threaded rod; 16, rotating rod; 17, locking device. DETAILED DESCRIPTION

[0023] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part of the specification, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0024] Reference Figure 1 , Figure 2 , Figure 4The utility model discloses an automobile steering knuckle processing jig, it includes: bottom ring 1 is provided with the clamping rod 3 on bottom ring 1, clamping rod 3 is convex shape, clamping rod 3 is around on bottom ring 1, clamping rod 3 top is provided with top ring 2, bottom ring 1 with top ring 2 all are provided with the sliding slot 6, clamping rod 3 both ends are slidably connected in the inside of sliding slot 6, the quantity of sliding slot 6 with clamping rod 3 is equal, clamping rod 3 side is provided with wear -resisting pad 4 with support 5, support 5 is L shape, wear -resisting pad 4 is located clamping rod 3's side, top ring 2 lower surface fixedly connected with connecting rod 7, connecting rod 7 lower surface fixedly connected with adjusting ring 8, connecting rod 7 is located clamping rod 3's inner layer, adjusting ring 8 is located clamping rod 3's middle part,

[0025] Specifically, first, the round hole of the automobile steering knuckle is worn on the clamping rod 3, the bottom ring 1 and the top ring 2 clamp the clamping rod 3, then the sliding slot 6 provides the moving ability for the clamping rod 3, which facilitates the movement of the clamping rod 3, then the wear-resistant pad 4 can prevent the automobile steering knuckle from falling off and protect it from being scratched, and the support 5 supports the automobile steering knuckle to further prevent the automobile steering knuckle from falling off.

[0026] Referring to Figure 2 , Figure 3 , Figure 5 Adjusting ring 8 side is provided with push rod 9 and spring 10, push rod 9 is provided with limit ring 11, push rod 9 both ends are respectively fixedly connected with push plate 12 and arc block 13, push rod 9 penetrates the side of adjusting ring 8, push plate 12 is attached to the middle part of clamping rod 3, arc block 13 is inclined, bottom ring 1 is internally threadedly connected with threaded rod 15, threaded rod 15 bottom is provided with rotating rod 16 and locking device 17, threaded rod 15 penetrates bottom ring 1, threaded rod 15 top is fixedly connected with moving block 14, moving block 14 is embedded with the slope gradient of arc block 13, and the moving path of moving block 14 is located in the inner layer of arc block 13.

[0027] Specifically, rotating the threaded rod 15 makes the threaded rod 15 drive the moving block 14 to feed, when the moving block 14 rises, it is attached to the arc block 13, thereby pushing the arc block 13 to drive the push rod 9 and the push plate 12 to move outward, and pushing the clamping rod 3 to move along the sliding slot 6 and expand outward, at this time, the locking device 17 is opened, the threaded rod 15 is locked, the clamping rod 3 tightly clamps the automobile steering knuckle, and the clamping rod 3 in each direction makes the steering knuckle be able to bear force uniformly when clamped, prevents the workpiece from tilting or deforming in the clamping process, after clamping is completed, the locking device 17 is loosened, at this time, the limit ring 11 is pulled back to make the push rod 9 return to the original position.

[0028] Working principle: in use, first of all, the automobile knuckle's round hole is worn on the clamp rod 3, then rotates the threaded rod 15, makes the threaded rod 15 drive the moving block 14 to feed, the moving block 14 rises and is thus attached with the arc block 13, thus promotes the arc block 13 to drive the push rod 9 and the push plate 12 to move outward, and promotes the clamp rod 3 to move along the chute 6, expands outward, at this time, opens the locking device 17, locks the threaded rod 15, makes the clamp rod 3 tightly clamps the automobile knuckle, the wear pad 4 increases the friction, and protects the automobile knuckle, prevents scratching, and each direction's clamp rod 3 makes the knuckle can be uniformly stressed when clamping, prevents the workpiece from being inclined or deformed during clamping process, after clamping is completed, loosens the locking device 17, at this time, the limit ring 11 is pulled back, makes the push rod 9 restores the position.

[0029] The above embodiment of the utility model is explained in detail in combination with the drawings, but the utility model is not limited to the above embodiment, within the knowledge scope possessed by ordinary skilled in the art, various changes can be made without departing from the purpose of the utility model.

Claims

1. A machining fixture for an automobile steering knuckle, characterized in that, Include: The bottom ring (1) is provided with a clamping rod (3), the top of which is provided with a top ring (2), and the bottom ring (1) and top ring (2) are provided with a sliding groove (6), and the side of the clamping rod (3) is provided with a wear-resistant pad (4) and a support rod (5); The lower surface of the top ring (2) is fixedly connected with a connecting rod (7), the lower surface of the connecting rod (7) is fixedly connected with an adjusting ring (8), the side of the adjusting ring (8) is provided with a push rod (9) and a spring (10), the push rod (9) is provided with a limiting ring (11), and the two ends of the push rod (9) are respectively fixedly connected with a push plate (12) and an arc block (13), the inner thread of the bottom ring (1) is connected with a threaded rod (15), and the top of the threaded rod (15) is fixedly connected with a moving block (14).

2. The machining jig for a vehicle steering knuckle according to claim 1, characterized by The clamping rod (3) is convex, and the clamping rod (3) is wrapped around the bottom ring (1).

3. The machining jig for a vehicle steering knuckle according to claim 1, wherein The two ends of the clamping rod (3) are slidingly connected inside the sliding groove (6), and the number of the sliding groove (6) and the clamping rod (3) is equal.

4. The machining jig for a vehicle steering knuckle according to Claim 1, wherein The support rod (5) is L-shaped, and the wear-resistant pad (4) is located on the side of the clamping rod (3).

5. The machining jig for an automobile steering knuckle according to claim 1, wherein The connecting rod (7) is located in the inner layer of the clamping rod (3), and the adjusting ring (8) is located in the middle of the clamping rod (3).

6. The machining jig for an automobile steering knuckle according to claim 1, wherein The push rod (9) penetrates the side of the adjusting ring (8), the push plate (12) is attached to the middle of the clamping rod (3), and the arc block (13) is inclined.

7. The machining jig for an automobile steering knuckle according to Claim 1, wherein The bottom of the threaded rod (15) is provided with a rotating rod (16) and a locking device (17), and the threaded rod (15) penetrates the bottom ring (1).

8. The machining jig for a vehicle steering knuckle according to claim 6, characterized in that, The moving block (14) and the slope of the arc block (13) are embedded, and the moving path of the moving block (14) is located in the inner layer of the arc block (13).

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