CN221517004U - Knuckle clamping tool and knuckle machining lathe - Google Patents
Knuckle clamping tool and knuckle machining lathe Download PDFInfo
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- CN221517004U CN221517004U CN202323665912.4U CN202323665912U CN221517004U CN 221517004 U CN221517004 U CN 221517004U CN 202323665912 U CN202323665912 U CN 202323665912U CN 221517004 U CN221517004 U CN 221517004U
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- knuckle
- positioning
- steering knuckle
- main shaft
- seat
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- 238000003754 machining Methods 0.000 title abstract description 9
- 238000003825 pressing Methods 0.000 claims description 30
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 9
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
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Abstract
The utility model provides a knuckle clamping tool and a knuckle machining lathe, and belongs to the technical field of machine tools. The problem that the clamping accuracy and stability of an existing steering knuckle are poor in machining is solved. The steering knuckle clamping tool comprises a main shaft connecting disc, wherein a central positioning seat is arranged at the center of the disc surface of the main shaft connecting disc, a plurality of centering supporting pieces with uniform intervals are distributed on the periphery of the central positioning seat, and a plurality of positioning clamps with uniform intervals are distributed on the main shaft connecting disc around the central positioning seat. The utility model combines the centering support of the centering seat, the inner support of the centering support piece and the outer diameter clamping of the positioning clamp, and the three positioning are combined so as to greatly improve the positioning precision and the stability during processing.
Description
Technical Field
The utility model belongs to the technical field of machine tools, and relates to a steering knuckle clamping tool, in particular to a steering knuckle clamping tool and a steering knuckle machining lathe.
Background
The knuckle is the irregularly shaped work piece, and it is when lathe processing and not good by the location, and current locate mode mainly falls into two kinds: firstly, the internal stay positioning is carried out, the steering knuckle is directly positioned by the internal stay fixture and then is processed, and the clamping force of the positioning mode is insufficient, so that the workpiece is easy to skew in the processing process, the processed workpiece is unqualified, or the cutter is damaged in the processing process; the second is that the conventional three-jaw or five-jaw chuck is used by clamping through the outer diameter, but the precision of clamping and positioning is not very high because of the irregular periphery of the steering knuckle, and the defective rate of the processed workpiece is higher.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a knuckle clamping tool and a knuckle machining lathe. The technical problems that the clamping accuracy and stability of the existing steering knuckle are poor in machining are solved.
The aim of the utility model can be achieved by the following technical scheme:
The utility model provides a knuckle centre gripping frock, includes the main shaft connection pad, its characterized in that, the quotation central point department of main shaft connection pad is provided with the center positioning seat, the circumference of center positioning seat distributes and has a plurality of equidistant centering support pieces, the round of encircling center positioning seat on the main shaft connection pad distributes and has a plurality of equidistant positioning fixture.
The knuckle clamping tool comprises a main shaft connecting disc which is used for being in butt joint with a main shaft, wherein the main shaft connecting disc approximately comprises three positioning clamping parts: the first is a central positioning seat which is directly matched with the inner cavity of the steering knuckle and is used for centering and directly abutting against the top wall of the inner cavity of the steering knuckle so that the center of the steering knuckle is supported and positioned; the second centering support piece is arranged on the circumference of the center positioning seat, and after the knuckle is placed on the center positioning seat, the centering support piece is contacted with the side wall of the inner cavity of the knuckle in a matched manner, so that the coaxiality of the knuckle and the main shaft connecting disc can be ensured, and the centering support piece with one circle in the circumference is supported, so that the steering energy-saving and the position keeping is stable and centered in the rotating processing process; and the third is a positioning fixture, the positioning fixture is distributed along one circle of the steering knuckle, the positioning fixture can clamp and position the outer diameter of the steering knuckle, the overall clamping force is enhanced, and meanwhile, the distribution of the positioning fixture on the outer circle and the matching of the positioning support piece can effectively prevent the initial or later position deviation of the steering knuckle, so that the stability is better.
In summary, the application combines the centering support of the centering support and the inner support of the centering support with the outer diameter clamping of the positioning clamp, and the three positioning are combined, thereby greatly improving the positioning precision and the stability during processing.
In the knuckle clamping fixture, the top of the center positioning seat is provided with a plurality of contact lugs which are distributed at intervals.
The top of the central positioning seat is provided with a plurality of contact convex blocks, the contact convex blocks are used for being contacted with the top surface of the inner cavity of the steering knuckle, and the steering knuckle can be better aligned by the multipoint contact, so that the positioning effect is better, and the positioning precision is improved.
In the knuckle clamping fixture, the height of the contact lug can be adjusted.
The height of the contact lug can be adjusted, and the contact lug can be positioned at the same height through the adaptive adjustment so as to improve the clamping precision and the stability during processing.
In the above-mentioned knuckle clamping fixture, the centering support has a telescopic contact portion for contacting with an inner peripheral surface of the knuckle.
The positioning support pieces are provided with the telescopic contact parts, after the steering knuckle is placed on the central positioning seat, the steering knuckle is stretched out through each positioning support piece to be centered, and meanwhile, the inner supporting state is maintained during processing, so that the centrifugal force in the rotating process is overcome, and the design stability and the clamping precision are further improved.
In the knuckle clamping tool, the centering support is a first oil cylinder, the contact portion is a push rod of the first oil cylinder, the first oil cylinder is embedded on the side portion of the center positioning seat, and the push rod of the first oil cylinder is arranged towards the outer side.
In the knuckle clamping tool, the positioning fixture comprises a pressing block, the pressing block is hinged to the main shaft connecting disc, one end of the pressing block is connected with a second oil cylinder for driving the pressing block to swing up and down, and the pressing block is provided with a butt part protruding towards the longitudinal positioning seat and used for being contacted and pressed down with the outer side of the knuckle.
The positioning clamp is the pressing block, the pressing block is hinged on the main shaft connecting disc and can swing up and down under the drive of the oil cylinder II, the pressing block is provided with the abutting part which is in contact with the outer side of the steering knuckle, the steering knuckle is abutted by the rotating abutting part, and the axial positioning of the steering knuckle can be realized by the cooperation of the downward force and the central positioning seat, so that the design stability and the clamping precision are further improved.
In the above-mentioned knuckle clamping fixture, the positioning fixture further includes an auxiliary positioning block, and the auxiliary positioning block is located below the abutting portion and is used for supporting the knuckle.
The positioning fixture provided by the application further comprises the auxiliary positioning block, the auxiliary positioning block and the pressing block are matched to play a clamping role, the auxiliary positioning block can support the outer side of the steering knuckle in the axial direction, the outer edge of the steering knuckle can be better clamped by the pressing block, and the clamping precision and the processing stability are further improved.
In the knuckle clamping tool, the auxiliary positioning block is connected to the oil cylinder III and can be driven by the oil cylinder III to move in the vertical direction.
The auxiliary positioning block can also move up and down and can be matched with the pressing block to better clamp and position the steering knuckle.
In the knuckle clamping tool, dynamic balancing weights are distributed at intervals along the circumferential direction of the outer edge of the disc surface of the main shaft connecting disc.
The clamping tool is further provided with the dynamic balancing weight, so that the centrifugal force of the main shaft connecting disc in the rotating process is uniform, and the clamping stability and the processing stability are improved.
The steering knuckle machining lathe comprises a machine shell and is characterized in that a main shaft, a cutter and the steering knuckle clamping tool are arranged in the machine shell, and the main shaft connecting disc is fixed on the main shaft.
Compared with the prior art, the product has the advantages that:
1. The central positioning seat is directly matched with the inner cavity of the steering knuckle and is used for centering and directly abutting against the top wall of the inner cavity of the steering knuckle so that the center of the steering knuckle is supported and positioned;
2. the centering support piece is arranged on the circumference of the center positioning seat, and is contacted with the side wall of the inner cavity of the steering knuckle in a matched manner after the steering knuckle is placed on the center positioning seat, so that the coaxiality of the steering knuckle and the main shaft connecting disc can be ensured, and the centering support piece with one circle in the circumference is supported, so that the steering energy-saving and the position keeping is stable and centered in the rotation processing process;
3. The positioning clamp is distributed along one circle of steering knuckle, the positioning clamp can clamp and position the outer diameter of the steering knuckle, the overall clamping force is enhanced, meanwhile, the distribution of the positioning clamp on the outer circle and the matching of the positioning support piece can effectively prevent the initial or later-stage occurrence of position deviation of the steering knuckle, and the stability is better.
Drawings
FIG. 1 is a side view of the present utility model after clamping a knuckle;
FIG. 2 is a top view of the present utility model after clamping the knuckle;
FIG. 3 is a side view of the present utility model;
Fig. 4 is a top view of the present utility model.
In the figure, 1, a main shaft connecting disc; 2. a center positioning seat; 21. a contact bump; 3. a centering support; 31. a contact portion; 4. positioning a clamp; 41. briquetting; 411. an abutting portion; 42. an auxiliary positioning block; 43. an oil cylinder III; 44. a second oil cylinder; 5. and (5) dynamically balancing the balancing weight.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
The steering knuckle clamping tool shown in fig. 1-4 comprises a main shaft connecting disc 1, wherein a central positioning seat 2 is arranged at the center of the disc surface of the main shaft connecting disc 1, centering supporting pieces 3 with uniform intervals are distributed on the circumference of the central positioning seat 2, the positions of the centering supporting pieces are adjusted in a pair mode according to the surface positions of actual steering knuckles, 4 groups of positioning clamps 4 with uniform intervals are distributed on the main shaft connecting disc 1 around the central positioning seat 2 in a circle, and the two groups of positioning clamps are arranged oppositely. The knuckle clamping tool comprises a main shaft connecting disc 1 for being in butt joint with a main shaft, wherein the main shaft connecting disc 1 approximately comprises three positioning and clamping parts: the first is a center positioning seat 2, wherein the center positioning seat 2 is directly matched with the inner cavity of the steering knuckle and is used for centering and directly abutting against the top wall of the inner cavity of the steering knuckle so that the center of the steering knuckle is supported and positioned; secondly, centering support pieces 3 are arranged in the circumferential direction of the center positioning seat 2, after the steering knuckle is placed on the center positioning seat 2, the centering support pieces 3 are contacted with the side wall of the inner cavity of the steering knuckle in a matched manner, so that the coaxiality of the steering knuckle and the main shaft connecting disc 1 can be ensured, and the centering support pieces 3 with one circle in the circumferential direction are supported, so that the steering energy-saving and maintaining position is stable and centered in the rotating processing process; and thirdly, the positioning clamp 4 is distributed along the steering knuckle, the positioning clamp 4 can clamp and position the outer diameter of the steering knuckle, the overall clamping force is enhanced, and meanwhile, the distribution of the positioning clamp 4 at the outer side of the steering knuckle and the matching of the positioning support piece can effectively prevent the initial or later position deviation of the steering knuckle, so that the stability is better. In combination, the application combines the centering support of the centering seat 2, the inner support of the centering support piece 3 and the outer diameter clamping of the positioning clamp 4, and the three positioning are combined so as to greatly improve the positioning precision and the stability during processing.
Further, the top of the centering seat 2 is provided with 4 contact bumps 21 which are distributed at intervals. Preferably, the four contact bumps 21 are arranged in a matrix. The top of the center positioning seat 2 is provided with a plurality of contact convex blocks 21, the contact convex blocks 21 are used for being contacted with the top surface of the inner cavity of the steering knuckle, the steering knuckle can be well aligned by the multipoint contact, the positioning effect is better, and the positioning precision is improved. Preferably, the height of the contact bumps 21 is adjustable. The height of the contact lug 21 can be adjusted, and the contact lug 21 can be positioned at the same height through adaptive adjustment so as to improve the clamping precision and the stability during processing.
Further, the centering support 3 has a telescopic contact portion 31 for contact with the inner peripheral surface of the knuckle. The positioning support pieces are provided with the telescopic contact parts 31, after the steering knuckle is placed on the central positioning seat 2, the steering knuckle is stretched out through each positioning support piece to be centered, and meanwhile, the inner supporting state is maintained during processing, so that the centrifugal force in the rotating process is overcome, and the design stability and the clamping precision are further improved. Preferably, the centering support 3 is a first cylinder, the contact portion 31 is a push rod of the first cylinder, the first cylinder is embedded on the side portion of the center positioning seat 2, and the push rod of the first cylinder is arranged towards the outer side.
Further, the positioning fixture 4 comprises a pressing block 41, the pressing block 41 is hinged on the spindle connecting disc 1, a hinge seat is arranged on the spindle connecting disc 1, a hinge is hinged on the hinge seat, and the pressing block 41 is hinged on the hinge. One end of the pressing block 41 is connected with a second oil cylinder 44 for driving the pressing block 41 to swing up and down, a push rod of the second oil cylinder 44 is hinged on the pressing block 41, and an abutting part 411 protruding towards the longitudinal positioning seat is arranged on the pressing block 41 and used for being contacted and pressed down with the outer side of the steering knuckle. The positioning clamp 4 is a pressing block 41, the pressing block 41 is hinged on the main shaft connecting disc 1 and can swing up and down under the drive of the oil cylinder II 44, the pressing block 41 is provided with an abutting part 411 which is in contact with the outer side of the steering knuckle, the steering knuckle is abutted against by the rotating abutting part 411, and thus the axial positioning of the steering knuckle can be realized by the cooperation of the downward pressing force and the central positioning seat 2, and the design stability and the clamping precision are further improved.
Further, the positioning fixture 4 further includes an auxiliary positioning block 42, where the auxiliary positioning block 42 is located below the abutment 411, for supporting the knuckle. The auxiliary positioning block 42 has different sizes, and is adaptively selected according to the actual contact position of the auxiliary positioning block 42 with the knuckle. The positioning fixture 4 of the application further comprises the auxiliary positioning block 42, the auxiliary positioning block 42 and the pressing block 41 are matched to play a clamping role, the auxiliary positioning block 42 can support the outer side of the steering knuckle in the axial direction, the outer edge of the steering knuckle can be better clamped by matching the pressing block 41, and the clamping precision and the processing stability are further improved. Preferably, the auxiliary positioning block 42 is connected to the third cylinder 43 and can be driven by the third cylinder 43 to move in the vertical direction. The auxiliary positioning block 42 can also move up and down, and can better clamp and position the steering knuckle by being matched with the pressing block 41.
Further, dynamic balancing weights 5 are distributed at intervals along the circumferential direction of the disc surface outer edge of the main shaft connecting disc 1. The clamping tool is further provided with the dynamic balancing weight 5, so that the centrifugal force of the main shaft connecting disc 1 in the rotating process is uniform, and the clamping stability and the processing stability are improved.
The steering knuckle machining lathe comprises a machine shell, wherein a main shaft, a cutter and the steering knuckle clamping tool are arranged in the machine shell, and the main shaft connecting disc 1 is fixed on the main shaft.
In the description of the present utility model, it should be noted that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, while the basic principles, main features, and advantages of the present utility model are shown and described above, and it should be understood by those skilled in the art.
Claims (10)
1. The utility model provides a knuckle centre gripping frock, includes main shaft connection pad (1), its characterized in that, the quotation central point department of main shaft connection pad (1) is provided with central location seat (2), the circumference of central location seat (2) is upwards distributed has a plurality of equidistant centering support piece (3), encircle on main shaft connection pad (1) central location seat (2) round and distribute have a plurality of interval even positioning fixture (4).
2. Knuckle clamping fixture according to claim 1, characterized in that the top of the centering seat (2) is provided with a plurality of contact bumps (21) distributed at intervals.
3. A knuckle clamping fixture according to claim 2, characterized in that the height of the contact bumps (21) is adjustable.
4. A knuckle clamping fixture according to any one of claims 1-3, characterized in that the centering support (3) has a telescopic contact portion (31) for contact with the inner peripheral surface of the knuckle.
5. The knuckle clamping fixture according to claim 4, wherein the centering support (3) is a first cylinder, the contact portion (31) is a push rod of the first cylinder, the first cylinder is embedded on a side portion of the center positioning seat (2), and the push rod of the first cylinder is arranged towards the outer side.
6. A steering knuckle clamping fixture according to any one of claims 1-3, characterized in that the positioning fixture (4) comprises a pressing block (41), the pressing block (41) is hinged on the spindle connecting disc (1), one end of the pressing block (41) is connected with a second oil cylinder (44) for driving the pressing block (41) to swing up and down, and an abutting part (411) protruding towards the longitudinal positioning seat direction is arranged on the pressing block (41) and used for being contacted and pressed down with the outer side of the steering knuckle.
7. The knuckle clamping fixture of claim 6, wherein the positioning fixture (4) further comprises an auxiliary positioning block (42), the auxiliary positioning block (42) being located below the abutment portion (411) for supporting the knuckle.
8. The knuckle clamping fixture of claim 7, wherein the auxiliary positioning block (42) is connected to a third cylinder (43) and can be driven by the third cylinder (43) to move in a vertical direction.
9. The knuckle clamping tool according to claim 1, wherein dynamic balancing weights (5) are distributed at intervals along the circumferential direction of the outer edge of the disc surface of the spindle connecting disc (1).
10. A steering knuckle processing lathe comprising a casing, wherein a spindle, a cutter and a steering knuckle clamping fixture according to any one of claims 1-9 are arranged in the casing, and the spindle connecting disc (1) is fixed on the spindle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323665912.4U CN221517004U (en) | 2023-12-29 | 2023-12-29 | Knuckle clamping tool and knuckle machining lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323665912.4U CN221517004U (en) | 2023-12-29 | 2023-12-29 | Knuckle clamping tool and knuckle machining lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221517004U true CN221517004U (en) | 2024-08-13 |
Family
ID=92199120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323665912.4U Active CN221517004U (en) | 2023-12-29 | 2023-12-29 | Knuckle clamping tool and knuckle machining lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221517004U (en) |
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2023
- 2023-12-29 CN CN202323665912.4U patent/CN221517004U/en active Active
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