CN211540402U - Knuckle bearing hole and snap ring groove adds clamping apparatus - Google Patents
Knuckle bearing hole and snap ring groove adds clamping apparatus Download PDFInfo
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- CN211540402U CN211540402U CN202020112891.0U CN202020112891U CN211540402U CN 211540402 U CN211540402 U CN 211540402U CN 202020112891 U CN202020112891 U CN 202020112891U CN 211540402 U CN211540402 U CN 211540402U
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- elastic jacket
- flat plate
- positioning
- knuckle
- snap ring
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Abstract
The utility model discloses a knuckle bearing hole and snap ring groove adds clamping apparatus, its characterized in that: comprises an outer sleeve, an elastic jacket, a flat plate, a positioning frame, a configuration block and a telescopic cylinder; the outer sleeve is internally provided with an upper taper hole section and a lower round hole section; a stepped hole is formed in the upper end of the elastic jacket, an outer conical section matched with the upper conical hole section is arranged on the outer wall of the elastic jacket, and a plurality of deformation joints distributed along the circumferential direction of the elastic jacket are arranged at the upper part of the elastic jacket; the output end of the telescopic cylinder is fixedly connected with the lower end of the elastic jacket; the flat plate is fixedly sleeved on the outer wall of the outer sleeve, the positioning frame is fixedly arranged on one side of the flat plate, and the configuration block is fixedly arranged on the other side of the flat plate; the upper end of the positioning frame is provided with a U-shaped groove, two side walls of the U-shaped groove are respectively provided with two positioning screws, and the two positioning screws are respectively used for the contact and the tight abutment of the two side surfaces of the damping arm on the steering knuckle. The utility model is used for the knuckle is fixed a position when processing dead eye and snap ring groove and presss from both sides tightly, easy operation simultaneously, and the clamping is efficient fast.
Description
Technical Field
The utility model relates to a knuckle bearing hole and snap ring groove adds clamping apparatus.
Background
The steering knuckle is one of main parts on an automobile steering axle, can enable an automobile to stably run and sensitively transmit the running direction, and has the function of bearing the front load of the automobile and supporting and driving a front wheel to rotate around a main pin so as to enable the automobile to steer.
Referring to fig. 1, the knuckle (N) is used for mounting a left front wheel, and needs to be clamped by a special clamp when a bearing hole and a clamping ring groove are finished, and has the requirements of convenience in clamping, accurate positioning and high efficiency in production.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned one or more defects of prior art, the utility model provides a knuckle bearing hole and snap ring groove adds clamping apparatus can be used for the knuckle accurate location when processing bearing hole and snap ring groove to press from both sides tightly, and the clamping is convenient and efficient fast.
In order to achieve the above object, the utility model provides a knuckle bearing hole and snap ring groove adds clamping apparatus, its characterized in that: comprises an outer sleeve (1), an elastic jacket (2), a flat plate (3), a positioning frame (4), a configuration block (5) and a telescopic cylinder (6);
the jacket (1) is internally provided with an upper taper hole section (1-1) and a lower circular hole section (1-2);
a stepped hole (2-1) for inserting and positioning an outer circular wall (N-1) of a steering knuckle (N) is formed in the upper end of the elastic jacket (2), an outer conical section (2-2) matched with the upper conical hole section (1-1) is formed in the outer wall of the elastic jacket (2), and a plurality of deformation joints (2-3) distributed along the circumferential direction of the elastic jacket (2) are formed in the upper part of the elastic jacket (2);
the output end of the telescopic cylinder (6) is fixedly connected with the lower end of the elastic jacket (2);
the flat plate (3) is fixedly sleeved on the outer wall of the outer sleeve (1), the positioning frame (4) is fixedly arranged on one side of the flat plate (3), and the configuration block (5) is fixedly arranged on the other side of the flat plate (3);
the upper end of the positioning frame (4) is provided with a U-shaped groove (4-1), two side walls of the U-shaped groove (4-1) are respectively provided with two positioning screws (7), and the two positioning screws (7) are respectively used for the contact and the tight contact of two side surfaces (N-3) of the damping arm (N-2) on the steering knuckle (N).
Furthermore, the lower end of the outer wall of the elastic jacket (2) is provided with an anti-rotation screw clamping groove (2-4), an anti-rotation screw (8) is installed on the outer sleeve (1), and the inner end of the anti-rotation screw (8) is inserted into the anti-rotation screw clamping groove (2-4).
Preferably, a threaded hole (3-1) is formed in the middle of the flat plate (3), and an external thread (1-3) used for being matched with the threaded hole (3-1) is formed in the outer wall of the upper part of the outer sleeve (1).
The utility model discloses beneficial effect:
the utility model belongs to special fixture and be different from the general fixture structural design among the current, it can be used to realize that this knuckle is fixed a position when processing dead eye and snap ring groove tightly, has easy operation simultaneously, advantages such as clamping efficiency is fast.
Drawings
Fig. 1 is a perspective view of a knuckle according to the present invention.
Fig. 2 is a front view of the knuckle bearing hole and snap ring groove machining clamp of the present invention during clamping.
FIG. 3 is an enlarged view of FIG. 2 at A
Fig. 4 is a plan view of a knuckle bearing hole and a snap ring groove machining clamp in the clamping of the utility model.
Fig. 5 is a perspective view of a clamp for processing a knuckle bearing hole and a snap ring groove (not including a telescopic cylinder) in clamping of the present invention.
Figure 6 is a half-sectional view of the outer jacket.
Fig. 7 is a perspective view of the outer cover.
Fig. 8 is a half-sectional view of the elastic jacket.
Fig. 9 is a perspective view of the elastic collet.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
referring to fig. 2-9, a knuckle bearing hole and snap ring groove machining fixture comprises an outer sleeve 1, an elastic jacket 2, a flat plate 3, a positioning frame 4, a configuration block 5 and a telescopic cylinder 6;
referring to fig. 2-3 or 6-7, the jacket 1 has an upper conical hole section 1-1 and a lower circular hole section 1-2 therein. Specifically, the upper end of the upper taper hole section 1-1 has a large inner diameter and the lower end has a small inner diameter.
Referring to fig. 2-3 or 8-9, a stepped hole 2-1 for inserting and positioning an outer circular wall N-1 of a steering knuckle N is formed in the upper end of the elastic jacket 2.
Referring to fig. 2-3 or 8-9, specifically, the stepped bore 2-1 has a large bore section, a stepped surface and a small bore section; when the elastic jacket 2 is in a normal state, the outer diameter of the outer circular wall N-1 of the steering knuckle N is smaller than the inner diameter of the large hole section of the stepped hole 2-1 and larger than the inner diameter of the small hole section of the stepped hole 2-1.
Referring to fig. 2-3 or 8-9, the outer wall of the elastic jacket 2 is provided with an outer conical section 2-2 for matching with the upper conical hole section 1-1. Specifically, the outer diameter of the upper end of the outer cone section 2-2 is large and the outer diameter of the lower end is small.
As can be seen in fig. 2-3 or 8-9, the upper part of the elastic jacket 2 has a plurality of deformation joints 2-3 distributed along its circumference. Specifically, the deformation joints 2-3 are 4 and are uniformly distributed along the circumferential direction of the elastic jacket 2.
Referring to fig. 2-3, the lower end of the elastic jacket 2 is fixedly connected with the output end of the telescopic cylinder 6.
Specifically, the telescopic cylinder 6 may be a telescopic cylinder, a telescopic hydraulic cylinder, or an electric cylinder.
The flat plate 3 is fixedly sleeved on the outer wall of the outer sleeve 1, the positioning frame 4 is fixedly arranged on the left side of the flat plate 3, and the configuration block 5 is fixedly arranged on the right side of the flat plate 3.
The positioning frame 4 and the configuration blocks 5 are distributed left and right, so that the fixture can keep stress balance on two radial sides when rotating at a high speed along the center of the outer sleeve 1, and the influence of vibration on the processing precision is avoided.
Referring to fig. 2-3, preferably, the plate 3 is provided with a threaded hole 3-1 at the middle portion thereof, and the outer wall of the upper portion of the outer sleeve 1 is provided with an external thread 1-3 for cooperating with the threaded hole 3-1. The flat plate 3 is detachable from the outer sleeve 1, so that the assembly among the outer sleeve 1, the elastic jacket 2, the flat plate 3 and the telescopic cylinder 6 is improved, and the assembly and the replacement of each part are convenient.
Referring to fig. 2-3, the upper end of the positioning frame 4 is provided with a U-shaped groove 4-1, two side walls of the U-shaped groove 4-1 are respectively provided with two positioning screws 7, and the two positioning screws 7 are respectively used for contacting and abutting two side surfaces N-3 of the damping arm N-2 on the knuckle N.
Specifically, two side walls of the U-shaped groove 4-1 are provided with two screw holes, and the two positioning screws 7 are respectively in threaded connection with the two screw holes.
Specifically, two adjusting screw holes 4-2 are symmetrically formed in two side walls of the U-shaped groove 4-1, the two positioning screws 7 are oppositely arranged, and the two positioning screws 7 are in threaded fit with the two adjusting screw holes 4-2. When the two positioning screws 7 are used for clamping, the following method can be adopted:
the first method comprises the following steps: when the steering knuckle N is clamped, the upper damping arm N-2 of the steering knuckle N is inserted into the U-shaped groove 4-1, and the two positioning screws 7 are rotated, so that the screws of the two positioning screws 7 move oppositely to respectively contact and abut against the two side faces N-3 of the upper damping arm N-2 of the steering knuckle N. After the processing is finished, the two positioning screws 7 can be rotated reversely, so that the screw rods of the two positioning screws 7 move back to back, and the two side surfaces N-3 of the damping arm N-2 on the steering knuckle N are loosened.
The second method comprises the following steps: when the steering knuckle is clamped, the upper damping arm N-2 of the steering knuckle N is inserted into the U-shaped groove 4-1, the rear side surface N-3 of the damping arm N-2 is in contact with the screw rod end surface of the positioning screw 7 at the rear side, and then the positioning screw 7 at the front side moves towards the front side surface N-3 of the upper damping arm N-2 of the steering knuckle N to be in contact and abutted with the positioning screw 7 at the front side through rotation. After the machining is finished, the front side surface N-3 of the shock absorption arm N-2 on the steering knuckle N can be loosened by reversely rotating the positioning screw 7 on the front side and enabling the screw rod of the positioning screw 7 on the front side to move back and forth.
The third method comprises the following steps: when the steering knuckle is clamped, the upper damping arm N-2 of the steering knuckle N is inserted into the U-shaped groove 4-1, the front side surface N-3 of the damping arm N-2 is in contact with the screw rod end surface of the positioning screw 7 on the front side, and then the positioning screw 7 on the rear side moves towards the rear side surface N-3 of the upper damping arm N-2 of the steering knuckle N to be in contact and abutted with the positioning screw 7 on the rear side through rotation. After the machining is finished, the rear side surface N-3 of the shock absorption arm N-2 on the steering knuckle N can be loosened by reversely rotating the positioning screw 7 on the rear side to enable the screw rod of the positioning screw 7 on the rear side to move back and forth.
Referring to fig. 2-3 and 6-7, further, the lower end of the outer wall of the elastic jacket 2 is provided with an anti-rotation screw clamping groove 2-4, an anti-rotation screw 8 is installed on the outer sleeve 1, and the inner end of the anti-rotation screw 8 is inserted into the anti-rotation screw clamping groove 2-4. The side wall of the outer sleeve 1 is provided with anti-rotation screw mounting holes 1-3, the screw rod of the anti-rotation screw 8 is in threaded fit with the anti-rotation screw mounting holes 1-3, and the anti-rotation screw 8 can be rotated to move inwards to be inserted into the anti-rotation screw clamping grooves 2-4. When the screw rod of the anti-rotation screw 8 is inserted into the anti-rotation screw clamping groove 2-4 on the elastic jacket 2, the elastic jacket 2 and the outer sleeve 1 cannot rotate relatively to form stable positioning, so that the relative rotation can be avoided to enlarge the positioning deviation and reduce the processing precision.
When clamping, the telescopic cylinder 6 is started to work, the elastic jacket 2 is driven to move upwards to the top, the outer conical section 2-2 on the outer wall of the elastic jacket 2 is separated from the upper conical hole section 1-1 of the outer sleeve 1, and at the moment, the stepped hole 2-1 of the elastic jacket 2 naturally expands; then the outer circular wall N-1 of the steering knuckle N is inserted into a step hole 2-1 at the upper end of the elastic jacket 2 and is abutted against the step surface; then the telescopic cylinder 6 is started to work, the elastic jacket 2 is driven to move downwards to the bottom, as the outer conical section 2-2 on the outer wall of the elastic jacket 2 is matched with the conical surface of the upper conical hole section 1-1 of the outer jacket 1 and the step hole 2-1 is radially contracted and deformed inwards, the diameter of the step hole 2-1 is reduced to clamp the outer circular wall N-1 of the steering knuckle N, and meanwhile, the concentric positioning and the reference height of a bearing hole of the steering knuckle N are ensured; then inserting the upper damping arm N-2 of the steering knuckle N into the U-shaped groove 4-1 at the upper end of the positioning frame 4; and then turning the two positioning screws 7 by a knob to ensure that the inner ends of the two positioning screws 7 are respectively used for the contact and the abutment of two side surfaces N-3 of the damping arm N-2 on the steering knuckle N to be symmetrically clamped (the first method) so as to limit the rotation of the steering knuckle N in the step hole 2-1, and simultaneously, the damping arm N-2 on the steering knuckle N is clamped to avoid the steering knuckle N from being loosened by vibration of a cutter during machining.
Referring to fig. 2, the clamp can be coaxially fixed with a main shaft 9 by adopting flanges 1-4 at the lower end of the outer wall of an outer sleeve 1. When the main shaft 9 rotates, the outer circular wall N-1 of the steering knuckle N and the main shaft 9 rotate concentrically, so that a cutter (such as a turning tool) can finish the bearing hole N-4 and the clamping ring groove N-5 of the steering knuckle N.
Therefore, the utility model belongs to special fixture to be different from current universal fixturing, it can be used to realize that this knuckle is tight at the location clamp when processing dead eye and snap ring groove, easy operation simultaneously, clamping efficiency is fast.
In other embodiments, the operation of "re-turning the two positioning screws 7 so that the inner ends of the two positioning screws 7 are respectively used for the two side surfaces N-3 of the damping arm N-2 on the knuckle N to contact and abut and symmetrically clamp (the first method)" may be replaced by the second method or the third method.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (3)
1. The utility model provides a knuckle bearing hole and snap ring groove adds clamping apparatus which characterized in that: comprises an outer sleeve (1), an elastic jacket (2), a flat plate (3), a positioning frame (4), a configuration block (5) and a telescopic cylinder (6);
the jacket (1) is internally provided with an upper taper hole section (1-1) and a lower circular hole section (1-2);
a stepped hole (2-1) for inserting and positioning an outer circular wall (N-1) of a steering knuckle (N) is formed in the upper end of the elastic jacket (2), an outer conical section (2-2) matched with the upper conical hole section (1-1) is formed in the outer wall of the elastic jacket (2), and a plurality of deformation joints (2-3) distributed along the circumferential direction of the elastic jacket (2) are formed in the upper part of the elastic jacket (2);
the output end of the telescopic cylinder (6) is fixedly connected with the lower end of the elastic jacket (2);
the flat plate (3) is fixedly sleeved on the outer wall of the outer sleeve (1), the positioning frame (4) is fixedly arranged on one side of the flat plate (3), and the configuration block (5) is fixedly arranged on the other side of the flat plate (3);
the upper end of the positioning frame (4) is provided with a U-shaped groove (4-1), two side walls of the U-shaped groove (4-1) are respectively provided with two positioning screws (7), and the two positioning screws (7) are respectively used for the contact and the tight contact of two side surfaces (N-3) of the damping arm (N-2) on the steering knuckle (N).
2. The knuckle bearing hole and snap ring groove machining jig according to claim 1, characterized in that: the lower end of the outer wall of the elastic jacket (2) is provided with an anti-rotation screw clamping groove (2-4), an anti-rotation screw (8) is installed on the outer sleeve (1), and the inner end of the anti-rotation screw (8) is inserted into the anti-rotation screw clamping groove (2-4).
3. The knuckle bearing hole and snap ring groove machining jig according to claim 1 or 2, characterized in that: the middle part of the flat plate (3) is provided with a threaded hole (3-1), and the outer wall of the upper part of the outer sleeve (1) is provided with an external thread (1-3) matched with the threaded hole (3-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020112891.0U CN211540402U (en) | 2020-01-19 | 2020-01-19 | Knuckle bearing hole and snap ring groove adds clamping apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020112891.0U CN211540402U (en) | 2020-01-19 | 2020-01-19 | Knuckle bearing hole and snap ring groove adds clamping apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN211540402U true CN211540402U (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020112891.0U Active CN211540402U (en) | 2020-01-19 | 2020-01-19 | Knuckle bearing hole and snap ring groove adds clamping apparatus |
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| CN (1) | CN211540402U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114454000A (en) * | 2022-01-20 | 2022-05-10 | 宁波润轴科技有限公司 | Knuckle, knuckle bearing hole machining equipment and knuckle machining process |
-
2020
- 2020-01-19 CN CN202020112891.0U patent/CN211540402U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114454000A (en) * | 2022-01-20 | 2022-05-10 | 宁波润轴科技有限公司 | Knuckle, knuckle bearing hole machining equipment and knuckle machining process |
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