CN111331180A

CN111331180A - Light steering knuckle clamp for automobile

Info

Publication number: CN111331180A
Application number: CN202010286433.3A
Authority: CN
Inventors: 杨辉青
Original assignee: Zhejiang Zhenxing Casting Co ltd
Current assignee: Zhejiang Zhenxing Casting Co ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-06-26
Anticipated expiration: 2040-04-13
Also published as: CN111331180B

Abstract

The invention provides a light steering knuckle clamp for an automobile, which comprises a base, a positioning mechanism, a clamping mechanism and a drilling assembly, wherein the base is provided with a positioning hole; the base comprises a bottom plate and a side plate, the positioning mechanism and the clamping mechanism are arranged on the bottom plate, and the drilling assembly is arranged on the side plate; the positioning mechanism comprises a base and a rotating seat which is rotatably connected to the base; the clamping mechanism comprises a rotary cylinder, and a piston rod of the rotary cylinder is provided with a pressing block which is in contact with the knuckle connecting arm; the drilling assembly comprises an adjusting seat and a drilling and reaming template, the adjusting seat moves along the side plate, the drilling and reaming template is located on the adjusting seat, a positioning hole is formed in the drilling and reaming template, and a guide sleeve is arranged on the positioning hole. The clamp can quickly clamp and position the automobile steering knuckle, reduces manual operation steps as much as possible in the process, reduces the influence of manual operation on clamping and positioning accuracy, and is particularly suitable for clamping the light steering knuckle.

Description

Light steering knuckle clamp for automobile

Technical Field

The invention relates to the technical field of automobile part production, in particular to an automobile light steering knuckle clamp.

Background

The steering knuckle is one of important parts in an automobile steering axle, and can enable an automobile to stably run and sensitively transmit the running direction. As shown in fig. 1, a schematic structural diagram of a knuckle is shown, in which a bearing mounting hole a is provided in the middle of a knuckle body, and a caliper mounting hole, a steering rod mounting hole, a screw hole d, and the like are provided in a side portion of the knuckle body. The mounting hole manufacturing procedure quality on the knuckle requires highly, what generally used at the in-process of processing is simple and easy manual anchor clamps, fix a position knuckle linking arm b after fixing a position bearing mounting hole earlier, pass the swing arm mounting hole c with the bolt and fix it, adopt the bolt to withstand knuckle linking arm outside surface simultaneously, complex operation, easily cause the unstable condition of clamp dress, when fixing swing arm mounting hole etc., can't process it, promptly, can't realize the processing to other connecting holes except bearing mounting hole through single anchor clamps.

Disclosure of Invention

The invention provides an automobile light steering knuckle clamp which can be used for quickly clamping and positioning an automobile steering knuckle, the manual operation steps are reduced as much as possible in the process, the influence of manual operation on the clamping and positioning precision is reduced, and the automobile light steering knuckle clamp is particularly suitable for positioning and clamping the light steering knuckle.

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

the utility model provides a light knuckle anchor clamps of car which characterized in that: the drilling machine comprises a base, a positioning mechanism, a clamping mechanism and a drilling assembly; the base comprises a bottom plate and a side plate, the positioning mechanism and the clamping mechanism are arranged on the bottom plate, and the drilling assembly is arranged on the side plate; the positioning mechanism comprises a base and a rotating seat which is rotatably connected to the base; the clamping mechanism comprises a rotary cylinder, and a piston rod of the rotary cylinder is provided with a pressing block which is in contact with the knuckle connecting arm; the drilling assembly comprises an adjusting seat and a drilling and reaming template, the adjusting seat moves along the side plate, the drilling and reaming template is located on the adjusting seat, a positioning hole is formed in the drilling and reaming template, and a guide sleeve is arranged on the positioning hole.

Preferably, the positioning mechanism further comprises a positioning part located on the side part of the base, and an arc-shaped positioning surface is arranged on the positioning part.

Preferably, the number of the rotary cylinders and the number of the positioning pieces are two, and the two rotary cylinders are respectively arranged on the side parts of the two positioning pieces.

Preferably, the positioning mechanism further comprises a support member including a support surface, a side wall and a recess extending from the support surface to a side remote from the drilling assembly.

Preferably, the rotating base is of a cylindrical structure, and a chamfer surface is arranged on the outer edge of the upper end of the rotating base.

Preferably, the pressing block comprises a first pressing surface and a second pressing surface, the first pressing surface is vertically arranged, the second pressing surface and the first pressing surface form an L-shaped structure, and when a piston rod of the air cylinder contracts and rotates, the first pressing surface and the second pressing surface move towards one side of the connecting arm of the knuckle.

Preferably, the side plates are provided with sliding grooves, one end of the adjusting seat is arranged in the sliding grooves, limiting plates are arranged on two sides of the sliding grooves, and the limiting plates are partially embedded on the adjusting seat and are in sliding fit with the adjusting seat.

Preferably, a telescopic cylinder is arranged on the side plate, and a piston rod of the telescopic cylinder is connected with the adjusting seat.

Preferably, the drilling and reaming template comprises a first plate and a second plate located at the side of the first plate and extending towards one side of the positioning mechanism, and the first plate and the second plate are provided with the positioning holes.

Preferably, the drilling and reaming template is provided with a limiting cylinder opposite to the rotating seat.

In summary, compared with the prior art, the invention has the advantages that: the manual operation steps can be reduced, and the influence of the manual operation on the clamping and positioning precision is reduced; the clamping and positioning of the automobile steering knuckle can be quickly realized through the positioning mechanism and the clamping mechanism, the clamping and positioning mechanism is particularly suitable for positioning and clamping of a light steering knuckle, the steering knuckle is only required to be roughly placed on the positioning mechanism, position fine adjustment and clamping can be automatically realized subsequently, and the influence of offset possibly generated under the action of external force on positioning accuracy in the automatic positioning and clamping process of the light steering knuckle can be avoided; except for the bearing mounting holes, the positioning and clamping process cannot influence other mounting holes and bolt holes, and the drilling processing can be simultaneously carried out on the bearing mounting holes.

Drawings

FIG. 1 is a schematic view of a knuckle construction;

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

FIG. 3 is a schematic diagram of the structure at A in FIG. 2;

fig. 4 is a front view of the structure of the present invention.

The reference numbers in the figures are as follows:

1. the automatic drilling machine comprises a base, 11, a bottom plate, 12, side plates, 121, a sliding groove, 13, a limiting plate, 14, a telescopic cylinder, 2, a positioning mechanism, 21, a base, 22, a rotating seat, 221, a chamfer surface, 23, a positioning piece, 231, a positioning surface, 24, a supporting piece, 241, a supporting surface, 242, a side wall, 243, a groove, 3, a clamping mechanism, 31, a rotating cylinder, 32, a piston rod, 33, a pressing block, 331, a first pressing surface, 332, a second pressing surface, 4, a drilling assembly, 41, an adjusting seat, 42, a drilling and reaming template, 421, a positioning hole, 422, a guide sleeve, 423, a first plate, 424, a second plate and 425 and a limiting cylinder.

Detailed Description

The invention will be further elucidated with reference to an embodiment in the drawing.

As shown in fig. 1 to 4, the knuckle clamp includes a base 1, a positioning mechanism 2, a clamping mechanism 3, and a drilling assembly 4. The base 1 comprises a bottom plate 11 and a side plate 12, wherein the bottom plate 11 and the side plate 12 form an L-shaped structure. The positioning mechanism 2 and the clamping mechanism 3 are arranged on the bottom plate 11, and the drilling assembly 4 is arranged on the side plate 12.

The positioning mechanism 2 comprises a base 21 and a rotary seat 22 rotatably connected to the base 21, wherein the base 21 is a cylindrical structure, and a plurality of threaded holes are formed in the cylindrical structure and are fixed on the base 1 through screws. The rotary seat 22 is sleeved on the base 21 and can rotate relative to the base 21, and the knuckle bearing mounting hole is sleeved on the rotary seat 22. The clamping mechanism 3 comprises a rotary cylinder 31, a horizontal connecting rod is arranged on a piston rod 32 of the rotary cylinder 31, a connecting rod parallel to the piston rod 32 is arranged at the end of the horizontal connecting rod, a pressing block 33 is arranged on the connecting rod, and a pressing block 33 which is positioned on the moving track of the pressing block 33 and enables the pressing block 33 to be in contact with the knuckle connecting arm exists. The drilling assembly 4 comprises an adjusting seat 41 moving along the side plate 12 relative to the positioning mechanism 2, and a drilling and reaming template 42 located on the adjusting seat 41, wherein a positioning hole 421 is formed on the drilling and reaming template 42, and a guide sleeve 422 is arranged on the positioning hole 421.

The rotary seat 22 is cylindrical, and a chamfered surface 221 is formed on the outer edge of the upper end of the rotary seat 22. When the bearing mounting hole of the knuckle is sleeved on the rotating seat 22, the bearing mounting hole is in contact with the chamfer surface 221, the horizontal position of the knuckle is finely adjusted in the process that the clamping mechanism 3 clamps the knuckle, and the knuckle and the rotating seat 22 rotate along with the clamping piece, so that surface abrasion caused by increase of pressure and friction force between the knuckle and the rotating seat 22 under the driving action of the clamping piece is avoided. The friction between the steering knuckle and the rotating seat 22 is larger than the friction between the rotating seat 22 and the base 21, and in the moving process of the steering knuckle driven by the clamping piece, the steering knuckle is finely adjusted after rotating along with the rotating seat 22, so that the situation that the position of the light steering knuckle is greatly changed under the action of the clamping piece, such as the situation of inclined deflection, can be avoided, and the problem that the light steering knuckle is blocked in the clamping process can be avoided.

The positioning mechanism 2 further comprises two positioning members 23 located at the side portion of the base 21, wherein the positioning members 23 are provided with arc-shaped positioning surfaces 231, and the positioning surfaces 231 are part of cylindrical surfaces. Two steering knuckle connecting arm supports of the steering knuckle are arranged on the positioning piece 23, the outer side surfaces of the two steering knuckle connecting arm supports are in fit contact with the positioning surface 231, and the positioning surface 231 plays a role in positioning and limiting. The positioning mechanism 2 is fixed on the base 1 by screws and can be replaced.

The positioning mechanism 2 further comprises a support 24, the support 24 comprising a horizontal support surface 241, a vertical arc-shaped side wall 241 and a groove 243 at the lower end of the support surface 241, the groove 243 extending from the support surface 241 to the side away from the drilling assembly 4. The end face of the lug with the threaded hole or the steering rod mounting hole is supported on the support surface 241, and the side face is attached to the side wall 242, and the groove 243 is used for avoiding a drill bit and the like during drilling so as to avoid interference. The pressing block 33 of the rotary cylinder 31 comprises a first pressing surface 331 and a second pressing surface 332, the first pressing surface 331 is vertically arranged, the second pressing surface 332 and the first pressing surface 331 form an L-shaped structure, and when the piston rod 32 of the cylinder contracts and rotates, the first pressing surface 331 and the second pressing surface 332 move to one side of the connecting arm of the knuckle. When the piston rod 32 of the air cylinder is contracted and rotated, the first pressing surface 331 and the second pressing surface 332 move toward the support surface 241 and the side wall 241 of the support 24, respectively, and the first pressing surface 331 and the second pressing surface 332 abut against the upper end and the side portion of the knuckle connecting arm of the knuckle and restrict the movement of the knuckle together with the support 24 and the rotary base 22. The number of the rotary cylinders 31 is two, two rotary cylinders 31 are respectively disposed at both sides of the positioning member 23, and the two rotary cylinders 31 are located at both sides of the supporting member 24 in the circumferential direction of the rotary base 22. The opening formed by the first pressing surface 331 and the second pressing surface 332 of the two rotary cylinders 31 faces the downstream of the rotation direction when the cylinder piston rod 32 retracts, the first pressing surface 331 is abutted against the knuckle connecting arm side portion of the knuckle during the movement and finely adjusts the offset of the knuckle connecting arm in the horizontal plane, and the second pressing surface 332 is contacted with the knuckle connecting arm upper end during the movement toward the support member 24 side and drives the knuckle connecting arm to be contacted with the support surface 241 and the side wall 241. The number of the supporting members 24 may be one or more, and may be set as desired.

The side plate 12 is provided with a sliding groove 121, one end of the adjusting seat 41 is arranged in the sliding groove 121, the two sides of the sliding groove 121 are provided with limiting plates 13, and the limiting plates 13 are partially embedded on the adjusting seat 41 and are in sliding fit with the adjusting seat 41. The side plate 12 is provided with a telescopic cylinder 14, and a piston rod 32 of the telescopic cylinder 14 is connected with the adjusting seat 41. When the drilling and reaming template is used, the steering knuckle is placed on the rotating seat 22, after the clamping mechanism 3 clamps the steering knuckle, the air cylinder drives the adjusting seat 41 to move to a corresponding position towards one side of the steering knuckle, and the guide sleeve 422 on the drilling and reaming template 42 is opposite to a hole to be machined. The drilling and reaming template 42 comprises a first plate 423 and a second plate 424 which is located at the side of the first plate 423 and extends towards one side of the positioning mechanism 2, the first plate 423 and the second plate 424 are respectively provided with a positioning hole 421, the base 1 is connected with the workbench rotating mechanism, the steering clamp can be driven to rotate, and other mounting holes or screw holes except for bearing mounting holes can be machined. The first plate 423 is provided with a limiting cylinder 425 opposite to the rotary base 22, and during drilling, the limiting cylinder 425 abuts against the upper end of the bearing mounting hole of the steering knuckle.

The clamp can be fixed on a multi-degree-of-freedom mechanical mechanism, namely, the clamp can rotate and move in multiple degrees of freedom, so as to drill holes from different directions.

The above description is only for explaining the present invention and making the present invention complete, but not limiting the present invention, and the skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, and these are all modifications without inventive contribution, but are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a light knuckle anchor clamps of car which characterized in that: comprises a base (1), a positioning mechanism (2), a clamping mechanism (3) and a drilling assembly (4); the base (1) comprises a bottom plate (11) and a side plate (12), the positioning mechanism (2) and the clamping mechanism (3) are arranged on the bottom plate (11), and the drilling assembly (4) is arranged on the side plate (12); the positioning mechanism (2) comprises a base (21) and a rotating seat (22) which is rotatably connected to the base (21); the clamping mechanism (3) comprises a rotary cylinder (31), and a pressing block (33) in contact with the knuckle connecting arm is arranged on a piston rod (32) of the rotary cylinder (31); the drilling assembly (4) comprises an adjusting seat (41) moving along the side plate (12) and a drilling and reaming template (42) located on the adjusting seat (41), a positioning hole (421) is formed in the drilling and reaming template (42), and a guide sleeve (422) is arranged on the positioning hole (421).

2. The vehicle light weight knuckle clamp of claim 1, wherein: the positioning mechanism (2) further comprises a positioning piece (23) located on the side portion of the base (21), and an arc-shaped positioning surface (231) is arranged on the positioning piece (23).

3. The vehicle light steering knuckle clamp of claim 2, wherein: the number of the rotary cylinders (31) and the number of the positioning pieces (23) are two, and the two rotary cylinders (31) are respectively arranged on the side parts of the two positioning pieces (23).

4. The vehicle light weight knuckle clamp of claim 1, wherein: the positioning mechanism (2) further comprises a support (24), wherein the support (24) comprises a support surface (241), a side wall (242) and a groove (243), and the groove (243) extends from the support surface (241) to the side far away from the drilling assembly (4).

5. The vehicle light weight knuckle clamp of claim 1, wherein: the rotary seat (22) is of a cylindrical structure, and a chamfer surface (221) is arranged on the outer edge of the upper end of the rotary seat (22).

6. The vehicle light weight knuckle clamp of claim 1, wherein: the pressing block (33) comprises a first pressing surface (331) and a second pressing surface (332), the first pressing surface (331) is vertically arranged, the second pressing surface (332) and the first pressing surface (331) form an L-shaped structure, and when a piston rod (32) of the air cylinder contracts and rotates, the first pressing surface (331) and the second pressing surface (332) move towards one side of the connecting arm of the steering knuckle.

7. The vehicle light weight knuckle clamp of claim 1, wherein: be equipped with spout (121) on curb plate (12), adjust seat (41) one end setting and be in spout (121), spout (121) both sides are equipped with limiting plate (13), limiting plate (13) part inlay adjust on seat (41) and with adjust seat (41) sliding fit.

8. The vehicle light weight knuckle clamp of claim 7, wherein: and a telescopic cylinder (14) is arranged on the side plate (12), and a piston rod of the telescopic cylinder (14) is connected with the adjusting seat (41).

9. The vehicle light weight knuckle clamp of claim 1, wherein: the drilling and reaming template (42) comprises a first plate (423) and a second plate (424) located on the side of the first plate (423) and extending towards one side of the positioning mechanism (2), and the positioning holes (421) are formed in the first plate (423) and the second plate (424).

10. The vehicle light weight knuckle clamp of claim 1, wherein: and a limiting cylinder (425) is arranged on the drilling and reaming template (42) opposite to the rotating seat (22).