CN215699801U - Milling clamp for automobile steering knuckle - Google Patents
Milling clamp for automobile steering knuckle Download PDFInfo
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- CN215699801U CN215699801U CN202122258096.XU CN202122258096U CN215699801U CN 215699801 U CN215699801 U CN 215699801U CN 202122258096 U CN202122258096 U CN 202122258096U CN 215699801 U CN215699801 U CN 215699801U
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- steering knuckle
- pressing plate
- sliding sleeve
- movable rod
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Abstract
The utility model provides a milling clamp for an automobile steering knuckle, which comprises: the fixture comprises a fixture body, wherein the fixture body comprises a central boss, and a central hole for inserting a steering knuckle support arm is formed in the central boss; the pressing plate assembly is arranged on the clamp body and used for pressing the flange plate of the steering knuckle; the driving mechanism is arranged on the clamp body and used for driving the press plate component to act; and the transmission locking assembly is arranged between the pressing plate assembly and the driving mechanism, is driven by the driving mechanism to drive the pressing plate assembly to act, and locks the pressing plate assembly along with the action of the driving mechanism after the pressing plate assembly is pressed in place. In the scheme, the transmission locking assembly is arranged between the driving mechanism and the pressing plate assembly, so that the limiting self-locking of the pressing plate assembly after the pressing plate assembly is in place is realized, and the continuous action of the pressing plate after the pressing plate is in place due to the continuous output of the driving mechanism is avoided.
Description
Technical Field
The utility model belongs to the field of automobile part machining, and particularly relates to an automobile steering knuckle milling clamp.
Background
When the milling fixture for four end surfaces of the main pin hole of the existing automobile steering knuckle clamps the steering knuckle, the steering knuckle is often compressed by the pressing plate driven by the air cylinder, the compressing force of the pressing plate is controlled by the output quantity of the air cylinder, namely, the action of the pressing plate is only driven by the air cylinder, and after the pressing plate is compressed in place, the pressing plate is influenced by the output precision of the air cylinder and the like, the air cylinder can continue to act, the compressing force of the pressing plate is increased continuously, the pressing plate is deformed easily, and the continuous use of the automobile steering knuckle cutting fixture is influenced. In addition, if the limit of the pressure plate is realized by the stopping action of the air cylinder, the situation of untightening can occur in the process of machining and vibrating the steering knuckle, so that vibration lines occur in the machining process of the steering knuckle.
SUMMERY OF THE UTILITY MODEL
In view of the above disadvantages of the prior art, an object of the present invention is to provide a milling fixture for an automobile steering knuckle, which is used for solving the problem that a pressure plate is easy to loosen during the process of the steering knuckle only through the control of the output quantity of a cylinder in the prior art.
In order to achieve the above and other related objects, the present invention provides a milling fixture for an automobile steering knuckle, comprising:
the fixture comprises a fixture body, wherein the fixture body comprises a central boss, and a central hole for inserting a steering knuckle support arm is formed in the central boss;
the pressing plate assembly is arranged on the clamp body and used for pressing the flange plate of the steering knuckle;
the driving mechanism is arranged on the clamp body and used for driving the press plate component to act;
and the transmission locking assembly is arranged between the pressing plate assembly and the driving mechanism, is driven by the driving mechanism to drive the pressing plate assembly to act, and locks the pressing plate assembly along with the action of the driving mechanism after the pressing plate assembly is pressed in place.
Further, the milling fixture for the automobile steering knuckle further comprises a first sliding sleeve and a second sliding sleeve which are used for installing a transmission locking assembly, the relative positions of the first sliding sleeve and the second sliding sleeve are fixed with the fixture body, the first sliding sleeve and the second sliding sleeve are perpendicular and communicated in an intersecting mode, and the first sliding sleeve is arranged in parallel with the axis of the supporting arm of the steering knuckle.
Furthermore, a first installation channel for installing the first sliding sleeve and a second installation channel for installing the second sliding sleeve are formed in the fixture body, the first sliding sleeve is fixedly installed in the first installation channel, and the second sliding sleeve is fixedly installed in the second installation channel.
Further, the transmission locking assembly includes:
the first movable rod is arranged in the first sliding sleeve and is driven by the driving mechanism, a guide groove is formed in the first movable rod and comprises a locking section and an action section which are sequentially connected, and an included angle between the guide groove and the axis of the first movable rod is sequentially increased from the locking section to the action section;
the second movable rod is installed in the second sliding sleeve, one end of the second movable rod is connected with the pressing plate assembly, a groove body through which the first movable rod penetrates is formed in the second movable rod, a sliding block matched with the guide groove is arranged in the groove body, and inclined planes matched with the locking section and the action section are respectively arranged on the sliding block.
Further, the guide groove further comprises a maximum stroke protection section, the locking section is arranged between the maximum stroke protection section and the movement section, and the maximum stroke protection section is arranged in parallel with the axis of the first movable rod.
Further, the included angle between the locking section and the axis of the first movable rod is 8-15 degrees.
Further, the included angle between the motion section and the axis of the first movable rod is 30-45 degrees.
Furthermore, each group of the pressing plate assembly comprises a rotating seat, a pressing plate and a lever, wherein the rotating seat is hinged to one end, away from the central boss, of the pressing plate, the lever is hinged to the middle of the pressing plate, and one end, away from the pressing plate, of the lever is hinged to the second movable rod.
Furthermore, a positioning ring is arranged on the central boss, and a positioning pin used for positioning the steering knuckle is arranged on the positioning ring.
Furthermore, the sliding block is hexagonal prism-shaped, and two opposite side surfaces of the sliding block are arranged in parallel.
As mentioned above, the milling clamp for the automobile steering knuckle has the following beneficial effects:
because be provided with transmission locking subassembly between actuating mechanism and the clamp plate subassembly to realize the spacing auto-lock of clamp plate subassembly after target in place, avoid the clamp plate to target in place the back because actuating mechanism's continuous output continues the action.
Due to the arrangement of the pressing plate assembly, stable clamping of the automobile steering knuckle is achieved.
This scheme simple structure, required with low costs through the setting of transmission locking subassembly, has avoided the clamp plate to exert pressure excessively and has damaged, simultaneously, avoids influencing the work piece because of the clamp plate excessively exerts pressure.
Drawings
FIG. 1 is a schematic front view structure diagram of an automobile steering knuckle milling clamp in the embodiment of the utility model.
Fig. 2 is a schematic cross-sectional view at a-a in fig. 1.
Fig. 3 is a schematic cross-sectional view at B-B in fig. 1.
Fig. 4 is a schematic structural diagram of a clamp body in an embodiment of the utility model.
Fig. 5 is a schematic structural diagram of the second movable rod according to the embodiment of the present invention.
Fig. 6 is a schematic structural diagram of the first movable rod according to the embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a knuckle according to an embodiment of the present invention.
FIG. 8 is a schematic clamping diagram of the milling clamp for the steering knuckle and the automobile steering knuckle in the embodiment of the utility model.
FIG. 9 is another clamping schematic diagram of the milling fixture for the steering knuckle and the automobile steering knuckle in the embodiment of the utility model.
Detailed Description
Reference numerals in the drawings of the specification include: the clamp comprises a clamp body 1, a hydraulic cylinder 2, a central boss 3, a pressure plate 4, a central hole 5, a locating ring 6, a rotating seat 7, a lever 8, a first movable rod 9, a second movable rod 10, a guide groove 11, a maximum stroke protection section 11a, a locking section 11b, a moving section 11c, a sliding block 12, a steering knuckle 13, a flange 13a, a supporting arm 13b, a second sliding sleeve 14, a first sliding sleeve 15, a first installation channel 16, a second installation channel 17 and a groove body 18.
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Examples
As shown in fig. 1 to 9, the embodiment provides an automobile steering knuckle milling clamp, which includes a clamp body 1, wherein the clamp body 1 includes a central boss 3, the central boss 3 is provided with a central hole 5 for inserting a supporting arm 13b of a steering knuckle 13, and two sides of the central boss 3 are respectively provided with a pressure plate assembly for pressing a flange 13a on the steering knuckle 13;
knuckle milling process anchor clamps still include: the driving mechanism is used for driving the pressing plate assembly to act and the transmission locking assembly is used for realizing self-locking of the pressing plate assembly, the transmission locking assembly is installed between the driving mechanism and the pressing plate assembly and driven by the driving mechanism to drive the pressing plate assembly to act and achieve limiting self-locking after the pressing plate assembly is in place, and the driving mechanism is installed on the clamp body 1. In this embodiment, the hydraulic cylinder 2 is selected as the driving mechanism to increase the clamping stability of the knuckle 13.
Further, the milling fixture for the automobile steering knuckle further comprises a first sliding sleeve 15 and a second sliding sleeve 14, the first sliding sleeve 15 and the second sliding sleeve 14 are used for installing a transmission locking assembly, the relative positions of the first sliding sleeve 15 and the second sliding sleeve 14 and the fixture body 1 are fixed, the first sliding sleeve 15 and the second sliding sleeve 14 are perpendicular and communicated in an intersecting mode, and the first sliding sleeve 15 is arranged in parallel with the axis of the supporting arm 13b of the steering knuckle 13.
Further, a first installation channel 16 for installing the first sliding sleeve 15 and a second installation channel 17 for installing the second sliding sleeve 14 are formed in the clamp body 1, the first sliding sleeve 15 is fixedly installed in the first installation channel 16, and the second sliding sleeve 14 is fixedly installed in the second installation channel 17.
Further, the transmission locking assembly includes:
the first movable rod 9 is installed in the first sliding sleeve 15 and driven by the driving mechanism, a guide groove 11 is formed in the first movable rod 9, the guide groove 11 comprises a locking section 11b and an action section which are connected in sequence, and an included angle between the guide groove 11 and the axis of the first movable rod 9 is increased in sequence from the locking section 11b to the action section. In this embodiment, the first movable rod 9 is fixedly connected with the output shaft of the hydraulic cylinder 2.
The second movable rod 10 is arranged in the second sliding sleeve 14, and one end of the second movable rod is connected with the pressure plate assembly and is used for being matched with the first movable rod 9; a groove body 18 for the first movable rod 9 to penetrate through is formed in the second movable rod 10, a sliding block 12 matched with the guide groove 11 is arranged in the middle of the groove body 18, and inclined planes matched with the locking section 11b and the action section are respectively arranged on the sliding block 12. The matching sections of the first movable rod 9 and the second movable rod 10 are both in a semi-cylindrical shape.
Further, the guide groove 11 further includes a maximum stroke protection section 11a, the locking section 11b is disposed between the maximum stroke protection section 11a and the moving section 11c, and the maximum stroke protection section 11a is disposed parallel to the axis of the first movable rod 9. The maximum stroke protection section 11a is arranged to prevent the pressure applied by the pressure plate assembly to the knuckle 13 from continuously increasing when the driving mechanism continuously outputs due to misoperation and the like.
Further, the included angle between the locking section 11b and the axis of the first movable rod 9 is 8-15 degrees. In this embodiment, the included angle α between the locking section 11b and the axis of the first movable rod 9 is 15 °, and the specific angle α can be set according to the required opening and closing stroke of the pressing plate 4.
Further, the included angle between the moving section 11c and the axis of the first movable rod 9 is 30-45 degrees. In this embodiment, the included angle β between the moving section 11c and the axis of the first movable rod 9 is 45 °, and the specific angle β may be set according to the required locking stroke of the pressing plate 4.
Further, each group of pressing plate components comprises a rotating seat 7, a pressing plate 4 and a lever 8, the rotating seat 7 is hinged to one end, away from the central boss 3, of the pressing plate 4, the lever 8 is hinged to the middle of the pressing plate 4, and one end, away from the pressing plate 4, of the lever 8 is hinged to a second movable rod 10.
Furthermore, a positioning ring 6 is arranged on the central boss 3, and a positioning pin for positioning the steering knuckle 13 is arranged on the positioning ring 6. And the positioning ring 6 and the positioning pin are arranged to realize the installation and positioning of the steering knuckle 13.
Further, the slider 12 is hexagonal prism-shaped, and two opposite side surfaces are arranged in parallel. In use, in the initial state, the slider 12 is located at the locking section 11b of the guide groove 11 and is in inclined-plane engagement with the guide groove 11.
When the pressing plate 4 needs to be opened to install the steering knuckle 13, the output shaft of the hydraulic cylinder 2 extends out, the first movable rod 9 is driven to move, the sliding block 12 is separated from the locking section 11b and matched with the inclined plane of the moving section, the sliding block 12 slides along the moving section along with continuous movement of the first movable rod 9, the second movable rod 10 extends out towards the direction of the pressing plate 4, the pressing plate 4 is opened, the hydraulic cylinder 2 stops outputting, at the moment, the supporting arm 13b of the steering knuckle 13 is inserted into the central hole 5, the circumferential direction of the steering knuckle 13 is located through the positioning pin, after the steering knuckle 13 is installed, the output shaft of the hydraulic cylinder 2 contracts, the first movable rod 9 is driven to move, the driven section of the sliding block 12 gradually slides towards the locking section 11b, the second movable rod 10 contracts, and the steering knuckle 13 is compressed by the pressing plate 4. After the pressing plate 4 presses the flange 13a of the knuckle 13, the sliding block 12 slides to the locking section 11B and is matched with the inclined surface of the locking section 11B, the hydraulic cylinder 2 stops operating, the sliding block 12 plays a role in locking the pressing plate 4 at the moment, the pressing plate 4 is prevented from continuously increasing pressing force, and at the moment, the surface A, the surface B, the surface C and the surface D of the knuckle 13 can be processed (as shown in fig. 7). In the machining process of the steering knuckle 13, the locking section 11b, the limiting block and the first movable rod 9 are arranged to limit the action of the second movable rod 10, namely the pressing plate 4 is prevented from loosening the steering knuckle 13 along with the machining vibration of the steering knuckle 13, and the generation of vibration marks in the machining process of the steering knuckle 13 is reduced.
When the hydraulic cylinder 2 still operates after the slide block 12 slides to the locking section 11b due to output accuracy or malfunction, the slide block 12 will slide to the maximum stroke protection section 11a, and at this time, the second movable rod 10 does not operate with the operation of the hydraulic cylinder 2.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides an automobile steering knuckle milling process anchor clamps which characterized in that includes:
the fixture comprises a fixture body, wherein the fixture body comprises a central boss, and a central hole for inserting a steering knuckle support arm is formed in the central boss;
the pressing plate assembly is arranged on the clamp body and used for pressing the flange plate of the steering knuckle;
the driving mechanism is arranged on the clamp body and used for driving the press plate component to act;
and the transmission locking assembly is arranged between the pressing plate assembly and the driving mechanism, is driven by the driving mechanism to drive the pressing plate assembly to act, and locks the pressing plate assembly along with the action of the driving mechanism after the pressing plate assembly is pressed in place.
2. The automobile steering knuckle milling fixture according to claim 1, further comprising a first sliding sleeve and a second sliding sleeve for installing a transmission locking assembly, wherein the first sliding sleeve and the second sliding sleeve are fixed relative to the fixture body, the first sliding sleeve and the second sliding sleeve are perpendicular and communicated with each other, and the first sliding sleeve is arranged in parallel with an axis of a supporting arm of the steering knuckle.
3. The milling fixture for the automobile steering knuckle according to claim 2, wherein a first installation channel for installing a first sliding sleeve and a second installation channel for installing a second sliding sleeve are formed in the fixture body, the first sliding sleeve is fixedly installed in the first installation channel, and the second sliding sleeve is fixedly installed in the second installation channel.
4. The milling fixture for automobile steering knuckles of claim 2, wherein the transmission locking assembly comprises:
the first movable rod is arranged in the first sliding sleeve and is driven by the driving mechanism, a guide groove is formed in the first movable rod and comprises a locking section and an action section which are sequentially connected, and an included angle between the guide groove and the axis of the first movable rod is sequentially increased from the locking section to the action section;
the second movable rod is installed in the second sliding sleeve, one end of the second movable rod is connected with the pressing plate assembly, a groove body through which the first movable rod penetrates is formed in the second movable rod, a sliding block matched with the guide groove is arranged in the groove body, and inclined planes matched with the locking section and the action section are respectively arranged on the sliding block.
5. The milling fixture for the automobile steering knuckle according to claim 4, wherein the guide groove further comprises a maximum stroke protection section, the locking section is arranged between the maximum stroke protection section and the moving section, and the maximum stroke protection section is arranged in parallel with the axis of the first movable rod.
6. The milling clamp for the automobile steering knuckle according to claim 4, wherein an included angle between the locking section and the axis of the first movable rod is 8-15 degrees.
7. The milling clamp for the automobile steering knuckle according to claim 4, wherein an included angle between the moving section and the axis of the first movable rod is 30-45 degrees.
8. The automobile steering knuckle milling fixture according to claim 4, wherein each group of the pressure plate assemblies comprises a rotating seat, a pressure plate and a lever, the rotating seat is hinged to one end, far away from the central boss, of the pressure plate, the lever is hinged to the middle of the pressure plate, and one end, far away from the pressure plate, of the lever is hinged to the second movable rod.
9. The milling clamp for the automobile steering knuckle according to claim 1, wherein a positioning ring is arranged on the central boss, and a positioning pin for positioning the steering knuckle is arranged on the positioning ring.
10. The milling fixture for the automobile steering knuckle according to claim 4, wherein the sliding block is hexagonal prism-shaped, and two opposite side surfaces of the sliding block are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122258096.XU CN215699801U (en) | 2021-09-17 | 2021-09-17 | Milling clamp for automobile steering knuckle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122258096.XU CN215699801U (en) | 2021-09-17 | 2021-09-17 | Milling clamp for automobile steering knuckle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215699801U true CN215699801U (en) | 2022-02-01 |
Family
ID=80021835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122258096.XU Active CN215699801U (en) | 2021-09-17 | 2021-09-17 | Milling clamp for automobile steering knuckle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215699801U (en) |
-
2021
- 2021-09-17 CN CN202122258096.XU patent/CN215699801U/en active Active
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