CN213673006U - Combined milling finish-milling inner-side hydraulic quick-change clamp - Google Patents
Combined milling finish-milling inner-side hydraulic quick-change clamp Download PDFInfo
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- CN213673006U CN213673006U CN202022222924.XU CN202022222924U CN213673006U CN 213673006 U CN213673006 U CN 213673006U CN 202022222924 U CN202022222924 U CN 202022222924U CN 213673006 U CN213673006 U CN 213673006U
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- hydraulic cylinder
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- steering knuckle
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Abstract
The utility model relates to a combined milling finish-milling inner side hydraulic quick-change clamp, which comprises a base and two positioning columns, and the clamp also comprises a pressing mechanism for preventing a steering knuckle from rotating around a main pin hole and a limiting mechanism for preventing the steering knuckle from moving along the axis direction of the main pin hole; the pressing mechanism comprises a supporting piece and a pressing plate, wherein the height and the position of the supporting piece are adjustable, and the supporting piece is matched with the pressing plate; the limiting mechanism comprises a first hydraulic cylinder and a second hydraulic cylinder; positioning holes are formed in the two positioning columns, a long pin is arranged in one positioning hole, and a short pin is arranged in the other positioning hole; a piston rod of the first hydraulic cylinder is fixedly connected with the long pin; a piston rod of the second hydraulic cylinder is fixedly connected with the short pin; the long pin is provided with a guide sleeve. The utility model discloses with the rotation of current V type piece restriction around the king pin hole and separately restrict along two degrees of freedom of translation of king pin hole axis direction, realize the quick reloading of the knuckle at different inclinations, improve the efficiency of trading of the inboard process of finish milling.
Description
Technical Field
The utility model belongs to the technical field of anchor clamps, concretely relates to combination mills inboard hydraulic pressure quick change anchor clamps of finish milling.
Background
The steering knuckle is also called as a cleat, is one of important parts in an automobile steering axle, and can enable an automobile to stably run and sensitively transmit the running direction. The steering knuckle is used for transmitting and bearing the front load of the automobile, supporting and driving the front wheel to rotate around the main pin so as to steer the automobile. In the driving state of the vehicle, it is subjected to a variable impact load, and therefore, it is required to have a high strength. The steering knuckle is complex in shape, integrates the structural characteristics of four parts such as a shaft, a sleeve, a disc ring and a fork frame, and mainly comprises a bearing journal, a flange plate and a fork frame. The common steering knuckle mainly comprises a body, a long lug, a short lug, a main pin hole, an inner shaft neck and other structures.
At present, a steering knuckle finish-milling inner side clamp is mainly positioned by a main pin hole and an inner shaft neck, and as shown in figures 1-3, the inner shaft neck is positioned by a V-shaped block to limit rotation of the steering knuckle around the main pin hole and translation of the steering knuckle along the axial direction of the main pin hole. The inner shaft neck is positioned by the V-shaped block, so that the limitation is realized, the inclination angles of the main pin holes are different, and the V-shaped block needs to be replaced. Because the knuckle is of various varieties, the differences of the inclination angle of the main pin hole, the inner offset distance, the center height and the like are large, the V-shaped block needs to be replaced during each time of production replacement, if the difference is too large, the base of the V-shaped block needs to be replaced, and even more, the whole finish milling inner clamp needs to be replaced, so that the production replacement efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the technical problem who exists among the prior art, provide the combination and mill the inboard hydraulic pressure quick change anchor clamps of finish milling, solve the low scheduling problem of trading of the inboard anchor clamps of current knuckle finish milling.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
the hydraulic quick-change clamp for the inner side of the combined milling finish-milling machine comprises a base and two positioning columns fixedly arranged on the base, and further comprises a pressing mechanism for preventing a steering knuckle from rotating around a main pin hole and a limiting mechanism for preventing the steering knuckle from moving along the axial direction of the main pin hole; the pressing mechanism comprises a supporting piece and a pressing plate, wherein the height and the position of the supporting piece are adjustable, and the supporting piece is matched with the pressing plate;
the limiting mechanism comprises a first hydraulic cylinder and a second hydraulic cylinder; positioning holes are formed in the two positioning columns, a long lug used for connecting the steering knuckle and a long pin of the first hydraulic cylinder are arranged in one positioning hole, and a short lug used for connecting the steering knuckle and a short pin of the second hydraulic cylinder are arranged in the other positioning hole; a piston rod of the first hydraulic cylinder is fixedly connected with the long pin; a piston rod of the second hydraulic cylinder is fixedly connected with the short pin; and a guide sleeve for positioning and preventing abrasion is arranged on the long pin.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the opposite ends of the long pin and the short pin are in stepped structures.
Further, the pressing mechanism further comprises a third hydraulic cylinder; and the cylinder body of the third hydraulic cylinder is connected with the base in a sliding manner, and the piston rod is fixedly connected with the pressing plate.
Further, the support member is a bolt; the base is provided with a plurality of threaded holes matched with the bolts.
Further, the pressing mechanism further comprises a connecting block; the supporting piece is a bolt and is connected with the base through a connecting block.
Further, the connecting block is in threaded connection with the bolt and is in sliding connection with the base.
Further, the top of the bolt is fixedly connected with a support plate.
Further, the support member comprises a support block and a fourth hydraulic cylinder; and the cylinder body of the fourth hydraulic cylinder is connected with the base in a sliding manner, and the piston rod is fixedly connected with the supporting block.
Further, the base is provided with a mounting hole for connecting the base and the machine tool.
The utility model has the advantages that: the utility model discloses the restriction is divided to two degrees of freedom of the translation that will have the restriction of V type piece now around the rotation of king-pin hole and along king-pin hole axis direction, the translation along king-pin hole axis direction adopts components such as first pneumatic cylinder, the second pneumatic cylinder, long round pin, short round pin and uide bushing to restrict, adopt long ear lateral surface location promptly, support piece and clamp plate that height and position are adjustable are adopted to the rotation around the king-pin hole restrict, and then realize changing fast of the knuckle at different inclinations and adorn, show the efficiency of changing production that improves the inboard process of finish milling.
Drawings
FIG. 1 is a schematic perspective view of a conventional finish milling inner side fixture;
FIG. 2 is a top view of a prior art finish milling inner clamp;
FIG. 3 is a front view of a prior art finish milling inner clamp;
fig. 4 is a schematic perspective view of the present invention;
fig. 5 is a top view of the present invention;
fig. 6 is a front view of the present invention;
fig. 7 is a rear view of the present invention;
FIG. 8 is a schematic structural view of the present invention during operation;
FIG. 9 is a top view of the present invention in operation;
fig. 10 is a front view of the present invention in operation.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the hydraulic support comprises a steering knuckle, 11, a long lug, 12, a short lug, 13, a main pin hole, 14, an inner shaft neck, 2, a base, 21, a mounting hole, 3, a positioning column, 31, a positioning hole, 4, a long pin, 41, a guide sleeve, 5, a short pin, 6, a connecting block, 7, a support piece, 8, a third hydraulic cylinder, 9 and a pressing plate.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
It should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are intended to be construed broadly, as if they were connected either fixedly or removably, or as integrally formed structures. To those of ordinary skill in the art, the specific meaning of such terms in this patent may be understood as appropriate.
Fig. 1 to 3 are schematic structural views of a conventional finish milling inner side clamp. The V-shaped block is used for positioning at the inner journal 14 of the steering knuckle 1 to limit the rotation of the steering knuckle 1 around the main pin hole 13 and the translation of the steering knuckle 1 along the axial direction of the main pin hole 13. The inner shaft neck 14 is positioned by the V-shaped blocks, so that the limitation is realized, the inclination angles of the main pin holes 13 are different, and the V-shaped blocks must be replaced, so that the production replacement efficiency is low, and the production efficiency is seriously influenced.
As shown in fig. 4-10, the combined milling finish-milling inner hydraulic quick-change clamp designed by the present invention comprises a base 2 and two positioning columns 3 fixedly mounted on the base 2, and the clamp further comprises a pressing mechanism for preventing the knuckle 1 from rotating around the main pin hole 13, and a limiting mechanism for preventing the knuckle 1 from moving along the axial direction of the main pin hole 13; the pressing mechanism comprises a supporting part 7 and a pressing plate 9, wherein the height and the position of the supporting part 7 are adjustable, and the supporting part 7 is matched with the pressing plate 9 and is used for fixing an inner journal 14 of the steering knuckle 1 so as to limit the steering knuckle 1 to rotate around a main pin hole 13.
The limiting mechanism comprises a first hydraulic cylinder and a second hydraulic cylinder; positioning holes 31 are formed in the two positioning columns 3, a long lug 11 for connecting the steering knuckle 1 and a long pin 4 of a first hydraulic cylinder are arranged in one positioning hole 31, and a short lug 12 for connecting the steering knuckle 1 and a short pin 5 of a second hydraulic cylinder are arranged in the other positioning hole 31; a piston rod of the first hydraulic cylinder is fixedly connected with the long pin 4; a piston rod of the second hydraulic cylinder is fixedly connected with a short pin 5; the long pin 4 is provided with a guide sleeve 41 for positioning and wear prevention.
The utility model discloses the restriction will have two degrees of freedom of translation of current V type piece restriction around the rotation of king-pin hole 13 and along 13 axis directions of king-pin hole separately, the translation along 13 axis directions of king-pin hole adopts first pneumatic cylinder, the second pneumatic cylinder, long round pin 4, short round pin 5 and members such as uide bushing 41 restrict, adopt long ear 11 lateral surface location promptly, support piece 7 and clamp plate 9 with adjustable height and position are adopted to the rotation around 13 of king-pin hole restrict, and then realize the quick repacking of knuckle 1 at different inclinations, show the efficiency of trading of the inboard process of finish milling.
As shown in fig. 4-7, the opposite ends of the long pin 4 and the short pin 5 are in a stepped structure, so that the long pin 4 and the short pin 5 are respectively inserted into the long lug 11 and the short lug 12, and the outer sides of the long lug 11 and the short lug 12 are respectively abutted against the long pin 4 and the short pin 5, thereby limiting the steering knuckle 1 from translating along the axial direction of the main pin hole 13.
As shown in fig. 4-10, the pressing mechanism further comprises a third hydraulic cylinder 8; the cylinder body of the third hydraulic cylinder 8 is connected with the base 2 in a sliding mode, the piston rod is fixedly connected with the pressing plate 9, and the height and the position of the pressing plate 9 can be adjusted, so that the pressing plate 9 is suitable for the steering knuckles 1 with different inclination angles, and the steering knuckles 1 with different inclination angles can be quickly replaced.
As shown in fig. 4 to 10, the base 2 is provided with a mounting hole 21 for connecting the base 2 and the machine tool.
Example 1
The supporting piece 7 is a bolt which is matched with the pressing plate 9 and used for fixing an inner shaft neck 14 of the steering knuckle 1, so that the steering knuckle 1 is limited to rotate around the main pin hole 13, and meanwhile, the height can be adjusted by the aid of the bolt. The base 2 is provided with a plurality of threaded holes matched with the bolts, so that the bolts can be adjusted in position, the bolts are suitable for the steering knuckles 1 with different inclination angles, and the steering knuckles 1 with different inclination angles can be quickly replaced. During the replacement, the bolt is installed in the threaded hole at a proper position and is adjusted to a proper height.
Example 2
The pressing mechanism further comprises a connecting block 6; the supporting piece 7 is a bolt and is connected with the base 2 through a connecting block 6, the bolt is matched with the pressing plate 9 and is used for fixing an inner journal 14 of the steering knuckle 1, so that the steering knuckle 1 is limited to rotate around the main pin hole 13, and meanwhile, the height can be adjusted through the bolt. In the embodiment, the connecting block 6 is in threaded connection with the bolt and is in sliding connection with the base 2, so that the position of the bolt can be adjusted, the bolt is suitable for the steering knuckles 1 with different inclination angles, and the steering knuckles 1 with different inclination angles can be quickly replaced. During the replacement, the connecting block 6 is moved to a proper position, and the bolt is adjusted to a proper height.
Further, a support plate is fixedly connected to the top of the bolt, and the support plate is matched with the pressure plate 9 and used for fixing an inner journal 14 of the steering knuckle 1, so that the steering knuckle 1 is limited to rotate around the main pin hole 13.
Example 3
The support member 7 comprises a support block and a fourth hydraulic cylinder; the cylinder body of the fourth hydraulic cylinder is connected with the base 2 in a sliding mode, and the piston rod is fixedly connected with the supporting block, so that the height and the position of the supporting block can be adjusted, the supporting block is suitable for the steering knuckles 1 with different inclination angles, and the steering knuckles 1 with different inclination angles can be quickly replaced. During the process of changing the position, the fourth hydraulic cylinder is moved to a proper position, and the piston rod of the fourth hydraulic cylinder moves up and down to adjust the supporting block to a proper height.
The working process of the clamp is as follows: during the process of changing the steering knuckle, the piston rods of the first hydraulic cylinder and the second hydraulic cylinder are firstly utilized to respectively push one ends of the long pin 4 and the short pin 5 into the main pin holes 13 of the long lug 11 and the short lug 12 until the outer sides of the long lug 11 and the short lug 12 are respectively abutted against the long pin 4 and the short pin 5, and meanwhile, the outer side surface of the long lug 11 is utilized for positioning, namely the outer side surface of the long lug 11 is abutted against the long pin 4 and the guide sleeve 41, so that the steering knuckle 1 is limited to move horizontally along the axis direction of the main pin holes 13. And then the supporting piece 7 and the pressure plate 9 are moved to proper positions and adjusted to proper heights, and the inner journal 14 of the steering knuckle 1 is fixed by the cooperation of the supporting piece 7 and the pressure plate 9, so that the steering knuckle 1 is limited to rotate around the main pin hole 13.
The mechanisms, assemblies and components of the present invention that are not described with respect to specific structures are conventional structures that exist in the prior art. Can be purchased directly from the market.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. The hydraulic quick-change clamp for the inner side of the combined milling finish-milling comprises a base (2) and two positioning columns (3) fixedly mounted on the base (2), and is characterized by further comprising a pressing mechanism for preventing the steering knuckle (1) from rotating around a main pin hole (13) and a limiting mechanism for preventing the steering knuckle (1) from moving along the axial direction of the main pin hole (13); the pressing mechanism comprises a supporting part (7) and a pressing plate (9), the height and the position of the supporting part are adjustable, and the supporting part (7) is matched with the pressing plate (9);
the limiting mechanism comprises a first hydraulic cylinder and a second hydraulic cylinder; positioning holes (31) are formed in the two positioning columns (3), a long lug (11) used for connecting the steering knuckle (1) and a long pin (4) of the first hydraulic cylinder are arranged in one positioning hole (31), and a short lug (12) used for connecting the steering knuckle (1) and a short pin (5) of the second hydraulic cylinder are arranged in the other positioning hole (31); a piston rod of the first hydraulic cylinder is fixedly connected with a long pin (4); a piston rod of the second hydraulic cylinder is fixedly connected with a short pin (5); and the long pin (4) is provided with a guide sleeve (41) for positioning and preventing abrasion.
2. A clamp as claimed in claim 1, characterized in that the opposite ends of the long (4) and short (5) pins are of stepped configuration.
3. The clamp according to claim 1, characterized in that said pressing mechanism further comprises a third hydraulic cylinder (8); and the cylinder body of the third hydraulic cylinder (8) is in sliding connection with the base (2), and the piston rod is fixedly connected with the pressing plate (9).
4. The clamp according to claim 1, characterized in that said support (7) is a bolt; the base (2) is provided with a plurality of threaded holes matched with the bolts.
5. The clamp according to claim 1, characterized in that said pressing mechanism further comprises a connecting block (6); the supporting piece (7) is a bolt and is connected with the base (2) through a connecting block (6).
6. The clamp according to claim 5, characterized in that said connecting block (6) is screwed to the bolt, being slidingly connected to the base (2).
7. A clamp according to any one of claims 4 to 6, wherein a support plate is fixedly attached to the top of the bolt.
8. The clamp according to claim 1, characterized in that said support (7) comprises a support block and a fourth hydraulic cylinder; and the cylinder body of the fourth hydraulic cylinder is slidably connected with the base (2), and the piston rod is fixedly connected with the supporting block.
9. The clamp according to claim 1, characterized in that the base (2) is provided with mounting holes (21) for connecting the base (2) to a machine tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022222924.XU CN213673006U (en) | 2020-10-05 | 2020-10-05 | Combined milling finish-milling inner-side hydraulic quick-change clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022222924.XU CN213673006U (en) | 2020-10-05 | 2020-10-05 | Combined milling finish-milling inner-side hydraulic quick-change clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213673006U true CN213673006U (en) | 2021-07-13 |
Family
ID=76752103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022222924.XU Active CN213673006U (en) | 2020-10-05 | 2020-10-05 | Combined milling finish-milling inner-side hydraulic quick-change clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213673006U (en) |
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2020
- 2020-10-05 CN CN202022222924.XU patent/CN213673006U/en active Active
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