CN115815711A - Flange yoke gear milling fixture and operation method - Google Patents
Flange yoke gear milling fixture and operation method Download PDFInfo
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- CN115815711A CN115815711A CN202211483495.9A CN202211483495A CN115815711A CN 115815711 A CN115815711 A CN 115815711A CN 202211483495 A CN202211483495 A CN 202211483495A CN 115815711 A CN115815711 A CN 115815711A
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Abstract
The invention provides a flange yoke gear milling clamp and an operation method thereof, wherein the clamp comprises an indexing base, an indexing mechanism for realizing the indexing rotation of the flange yoke in the machining process is arranged in the indexing base, and the indexing mechanism is matched with a mouse tray mechanism for locking; the top of the indexing mechanism is rotatably supported with a rotating seat, a spherical hinge clamping mechanism for clamping the flange fork is arranged in the rotating seat, and the spherical hinge clamping mechanism is connected with a clamping power mechanism for providing power; and a clamp seat for positioning the flange yoke is fixed at the top end of the rotating seat. The clamp can be widely applied to milling machine tools, is suitable for clamping all flange yokes, is simple, reliable and stable in shape change, and is suitable for mass production and processing; the automation degree is high; and the milling processing can ensure the processing quality and efficiency.
Description
Technical Field
The invention belongs to the technical field of automobile part machining, and particularly relates to a flange yoke gear milling clamp and an operation method, which are suitable for a flange yoke gear milling process.
Background
The flange yoke is a main part of an automobile transmission shaft, in the process of machining teeth on the flange yoke, the generally adopted machining process is broaching machining, indexing accuracy is an important index of the broaching machining, and the broaching machining cannot meet the accuracy requirement; the broaching machining process has the defects of large broaching deformation, poor surface quality and the like; the existing gear broaching fixture is complex in shape change, poor in stability and low in automation degree; and the broaching machining can only be applied to small-batch machining generally and cannot be applied to large-batch production machining. The milling can overcome the defects, and a special clamp needs to be designed for realizing the automatic milling processing of the teeth on the flange yoke.
Disclosure of Invention
In order to solve the technical problems, the invention provides a flange yoke gear milling clamp and an operation method, the clamp can be widely applied to a milling machine tool, is suitable for clamping all flange yokes, is simple in clamp shape change, reliable and stable, and is suitable for mass production and processing; the automation degree is high; and the milling processing can ensure the processing quality and efficiency.
In order to achieve the technical features, the invention is realized as follows: a flange fork gear milling clamp comprises an indexing base, wherein an indexing mechanism used for realizing the indexing rotation of a flange fork in the machining process is arranged in the indexing base, and the indexing mechanism is matched with a mouse tooth disc mechanism used for locking; the top of the indexing mechanism is rotatably supported with a rotating seat, a spherical hinge clamping mechanism for clamping the flange fork is arranged in the rotating seat, and the spherical hinge clamping mechanism is connected with a clamping power mechanism for providing power; and a clamp seat for positioning the flange yoke is fixed at the top end of the rotating seat.
The indexing mechanism comprises a motor fixed on the outer wall of one side of the indexing base, an output shaft of the motor is connected with a worm, the worm is meshed with a worm wheel to form a worm wheel pair, the worm wheel is fixed on the outer edge of a worm wheel mounting plate, and the worm wheel mounting plate is fixed at the bottom end of the central cylinder; the top of a center section of thick bamboo is through first long bolt fixed mounting have the seat of rotating.
The mouse tray mechanism comprises a mouse tray, the mouse tray is matched with an indexing oil cylinder arranged in the indexing base, and the mouse tray is locked or loosened by the on-off of the indexing oil cylinder.
The spherical hinge clamping mechanism comprises a spherical hinge seat fixed at the top of the rotating seat, spherical hinges are symmetrically hinged inside the spherical hinge seat, threaded holes are machined in the top ends of the spherical hinges, clamping jaws are fixed at the positions of the threaded holes in a pressing mode through screw covers, and arc jaws matched with the flange forks are fixed on the clamping jaws; the bottom end of the spherical hinge is connected with a clamping power mechanism for driving the spherical hinge to rotate and clamp.
The clamping power mechanism comprises a connecting rod hinged to the bottom end of the spherical hinge, the other end of the connecting rod is hinged to a tensioning block, the tensioning block is fixed to the top end of the pull rod through a locking nut, the bottom end of the pull rod is fixedly connected with the tail end of a piston rod of a tensioning oil cylinder, the tensioning oil cylinder is fixed to the bottom end of an oil cylinder base through a second long bolt, and the oil cylinder base is fixed to the bottom end of a worm wheel mounting disc of the indexing mechanism through a bolt.
The pull rod is matched with the pull rod guide mechanism, the pull rod guide mechanism comprises a guide groove machined in the outer wall of the pull rod, the guide groove is matched with a key, and the key is fixedly installed at the central hole of the rotating seat.
The clamp seat is positioned at the top end of the spherical hinge seat through a first cylindrical pin and a first diamond-shaped pin and is fixed through a bolt.
During clamping, the flange yoke is positioned on the clamp seat through the second cylindrical pin and the second diamond-shaped pin.
The indexing mechanism adopts a gear rack slewing mechanism which pushes a rack to drive a gear to rotate by adopting an oil cylinder.
The operation method for machining the flange yoke by adopting the flange yoke gear milling clamp comprises the following steps:
step one, positioning of a flange fork:
positioning a flange fork to be processed on the clamp seat through a second cylindrical pin and a second diamond-shaped pin;
step two, clamping the flange yoke:
starting a clamping power mechanism, driving a pull rod through a tensioning oil cylinder, driving a tensioning block through the pull rod, synchronously driving a connecting rod through the tensioning block, driving a spherical hinge to rotate through the connecting rod, and driving a clamping jaw at the top of the spherical hinge to clamp and fix a flange yoke;
step three, milling teeth of the flange yoke:
after clamping and fixing of the flange yoke are completed, starting a milling machine to mill teeth of the flange yoke;
step four, indexing rotation of the flange yoke:
in the process of milling teeth, when the flange fork needs to rotate in an indexing way, oil is introduced into an indexing oil cylinder of a mouse tooth disc mechanism, the mouse tooth disc is loosened, a motor of the indexing mechanism is started, a worm is driven through the motor, a worm wheel is driven through the worm, a central cylinder is driven through the worm wheel, a rotating seat at the top end of the central cylinder is synchronously driven through the central cylinder, and then a clamp seat and the flange fork at the top of the central cylinder are synchronously driven to rotate through the rotating seat;
step five, locking the indexing mechanism:
after the indexing rotation is finished, oil is introduced into an indexing oil cylinder of the mouse tooth disc mechanism, the mouse tooth disc is locked, the rotating seat is locked and fixed, and then the gear milling processing is continuously carried out on the flange yoke.
The invention has the following beneficial effects:
1. the clamp can be widely applied to milling machine tools, is suitable for clamping all flange yokes, is simple, reliable and stable in clamp shape change, and is suitable for mass production and processing; the automation degree is high; and the milling processing can ensure the processing quality and efficiency.
2. The indexing mechanism can realize indexing operation, and further realize indexing of the flange yoke.
3. The rotating seat can be locked and fixed through the mouse toothed disc mechanism.
4. The clamping mechanism can be used for clamping and fixing the flange yoke through the spherical hinge.
5. The clamping power mechanism can be used for providing clamping power for the spherical hinge clamping mechanism.
Drawings
The invention is further illustrated by the following examples in conjunction with the drawings.
Fig. 1 is a front sectional view of the present invention.
Fig. 2 is a three-dimensional view of the present invention.
Figure 3 is a front view of the jaws of the present invention.
In the figure: the clamping device comprises an indexing base 1, a rotating base 2, a motor 3, a clamp base 4, a first cylindrical pin 5, a second cylindrical pin 6, a flange fork 7, an arc claw 8, a screw cover 9, a threaded hole 10, a clamping jaw 11, a spherical hinge 12, a spherical hinge base 13, a connecting rod 14, a locking nut 15, a tensioning block 16, a guide groove 17, a pull rod 18, a key 19, a first long bolt 20, a central cylinder 21, a mouse tooth disc 22, an indexing oil cylinder 23, a worm 24, a worm wheel 25, a worm wheel mounting disc 26, an oil cylinder base 27, a tensioning oil cylinder 28 and a second long bolt 29.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
referring to fig. 1-3, a flange yoke gear milling fixture comprises an indexing base 1, wherein an indexing mechanism for realizing the indexing rotation of the flange yoke in the machining process is arranged in the indexing base 1, and the indexing mechanism is matched with a mouse tooth disc mechanism for locking; the top of the indexing mechanism is rotatably supported with a rotating seat 2, a spherical hinge clamping mechanism for clamping the flange fork is arranged in the rotating seat 2, and the spherical hinge clamping mechanism is connected with a clamping power mechanism for providing power; a jig base 4 for positioning the flange yoke is fixed to the tip of the rotary base 2. The clamp can be widely applied to milling machine tools, is suitable for clamping all flange yokes, is simple, reliable and stable in shape change, and is suitable for mass production and processing; the automation degree is high; and the milling processing can ensure the processing quality and efficiency. In the specific use process, the flange fork 7 to be machined is positioned and installed on the clamp seat 4, the spherical hinge clamping mechanism is driven by the clamping power mechanism to reliably clamp and fix the flange fork 7, the clamping is fast and convenient, the milling machine is started to mill the teeth of the flange fork 7 after the clamping is completed, and the indexing operation is performed through the indexing mechanism in the process of milling the teeth.
Further, the indexing mechanism comprises a motor 3 fixed on the outer wall of one side of the indexing base 1, an output shaft of the motor 3 is connected with a worm 24, the worm 24 is meshed with a worm wheel 25 to form a worm wheel pair, the worm wheel 25 is fixed on the outer edge of a worm wheel mounting disc 26, and the worm wheel mounting disc 26 is fixed at the bottom end of the central cylinder 21; the top end of the center cylinder 21 is fixedly mounted with the rotary base 2 by a first long bolt 20. The above-described indexing mechanism can perform indexing operation, and further, indexing of the flange yoke 7 can be performed. In the working process, when the fixture seat 4 needs to be indexed, the motor 3 is started, the worm 24 is driven by the motor, the worm wheel 25 is driven by the worm 24, the worm wheel mounting disc 26 is driven by the worm wheel 25, the central cylinder 21 is synchronously driven to rotate by the worm wheel mounting disc 26, and the rotating seat 2 at the top of the central cylinder 21 is driven to rotate by the central cylinder 21.
Further, the mouse tray mechanism comprises a mouse tray 22, the mouse tray 22 is matched with an indexing oil cylinder 23 arranged in the indexing base 1, and the locking or the releasing of the mouse tray 22 is realized through the on-off of the indexing oil cylinder 23. The mouse tray mechanism can realize locking and fixing of the rotating seat 2. In the working process, the mouse tooth disc 22 is controlled to be locked and fixed by on-off of oil of the indexing oil cylinder 23, and the purpose of locking the rotating seat 2 is further achieved.
Furthermore, the spherical hinge clamping mechanism comprises a spherical hinge seat 13 fixed at the top of the rotating seat 2, spherical hinges 12 are symmetrically hinged inside the spherical hinge seat 13, threaded holes 10 are processed at the top ends of the spherical hinges 12, clamping jaws 11 are fixedly pressed at the positions of the threaded holes 10 through screw caps 9, and arc jaws 8 matched with the flange forks are fixed on the clamping jaws 11; the bottom end of the spherical hinge 12 is connected with a clamping power mechanism for driving the spherical hinge to rotate and clamp. The flange yoke 7 can be clamped and fixed by a ball joint clamping mechanism. In the working process, the spherical hinge 12 is driven to rotate by the clamping power mechanism, and then the clamping jaw 11 at the top end of the spherical hinge 12 and the arc jaw 8 are contacted with the bottom end of the flange fork 7, so that the clamping and fixing are realized.
Further, the clamping power mechanism comprises a connecting rod 14 hinged to the bottom end of the spherical hinge 12, the other end of the connecting rod 14 is hinged to a tensioning block 16, the tensioning block 16 is fixed to the top end of a pull rod 18 through a locking nut 15, the bottom end of the pull rod 18 is fixedly connected to the tail end of a piston rod of a tensioning oil cylinder 28, the tensioning oil cylinder 28 is fixed to the bottom end of an oil cylinder base 27 through a second long bolt 29, and the oil cylinder base 27 is fixed to the bottom end of a worm wheel mounting disc 26 of the indexing mechanism through a bolt. The clamping power mechanism can be used for providing clamping power for the spherical hinge clamping mechanism. In the working process, the piston rod is driven by the tensioning oil cylinder 28, the pull rod 18 is driven by the piston rod, the tensioning block 16 is driven by the pull rod 18, the connecting rod 14 is driven synchronously by the tensioning block 16, and the spherical hinge 12 is driven by the connecting rod 14 to rotate.
Furthermore, the pull rod 18 is matched with a pull rod guide mechanism, the pull rod guide mechanism comprises a guide groove 17 machined on the outer wall of the pull rod 18, the guide groove 17 is matched with a key 19, and the key 19 is fixedly installed at the central hole of the rotating seat 2. Through the pull rod guide mechanism, the pull rod 18 is ensured not to rotate in the lifting action process, and the clamping power mechanism is stably driven to realize the clamping action.
Further, the clamp seat 4 is positioned at the top end of the spherical hinge seat 13 through a first cylindrical pin 5 and a first diamond-shaped pin and is fixed through a bolt. The positioning and clamping of the clamp seat 4 can be realized through the first cylindrical pin 5 and the first diamond-shaped pin.
Further, when clamping, the flange yoke 7 is positioned on the clamp seat 4 through the second cylindrical pin 6 and the second diamond-shaped pin. The flange yoke 7 can be positioned and clamped through the second cylindrical pin 6 and the second diamond-shaped pin.
Example 2:
the indexing mechanism adopts a gear rack slewing mechanism which pushes a rack to drive a gear to rotate by adopting an oil cylinder.
Example 2:
the operation method for machining the flange yoke by adopting the flange yoke gear milling clamp comprises the following steps:
step one, positioning of the flange yoke 7:
positioning a flange yoke 7 to be processed on the clamp seat 4 through a second cylindrical pin 6 and a second diamond-shaped pin;
step two, clamping the flange yoke 7:
starting a clamping power mechanism, driving a pull rod 18 through a tensioning oil cylinder 28, driving a tensioning block 16 through the pull rod 18, synchronously driving a connecting rod 14 through the tensioning block 16, driving a spherical hinge 12 to rotate through the connecting rod 14, and driving a clamping jaw 11 at the top of the spherical hinge 12 to clamp and fix a flange yoke 7 by the spherical hinge 12;
step three, milling teeth of the flange yoke 7:
after the flange yoke 7 is clamped and fixed, starting a milling machine to mill teeth of the flange yoke 7;
step four, indexing rotation of the flange yoke 7:
in the process of milling teeth, when the flange fork 7 needs to rotate in an indexing manner, oil is introduced into an indexing oil cylinder 23 of a mouse tooth disc mechanism, a mouse tooth disc 22 is loosened, a motor 3 of the indexing mechanism is started, a worm 24 is driven through the motor 3, a worm wheel 25 is driven through the worm 24, a central cylinder 21 is driven through the worm wheel 25, a rotating seat 2 at the top end of the central cylinder 21 is synchronously driven through the central cylinder 21, and then a clamp seat 4 and the flange fork 7 at the top of the central cylinder are synchronously driven to rotate through the rotating seat 2;
step five, locking the indexing mechanism:
after the indexing rotation is finished, oil is introduced into an indexing oil cylinder 23 of the mouse tooth disc mechanism, the mouse tooth disc 22 is locked, the rotating seat 2 is locked and fixed, and then the tooth milling processing is continuously carried out on the flange yoke 7.
Claims (10)
1. The utility model provides a flange fork mills tooth anchor clamps which characterized in that: the novel flange fork indexing mechanism comprises an indexing base (1), wherein an indexing mechanism used for realizing flange fork indexing rotation in the machining process is installed inside the indexing base (1), and the indexing mechanism is matched with a mouse tray mechanism used for locking; the top of the indexing mechanism is rotatably supported with a rotating seat (2), a spherical hinge clamping mechanism for clamping the flange yoke is arranged in the rotating seat (2), and the spherical hinge clamping mechanism is connected with a clamping power mechanism for providing power; and a clamp seat (4) for positioning the flange yoke is fixed at the top end of the rotating seat (2).
2. The nosing fork gear milling fixture of claim 1, wherein: the indexing mechanism comprises a motor (3) fixed on the outer wall of one side of the indexing base (1), an output shaft of the motor (3) is connected with a worm (24), the worm (24) is meshed with a worm wheel (25) to form a worm wheel pair, the worm wheel (25) is fixed on the outer edge of a worm wheel mounting disc (26), and the worm wheel mounting disc (26) is fixed at the bottom end of the central cylinder (21); the top end of the central cylinder (21) is fixedly provided with a rotating seat (2) through a first long bolt (20).
3. The tooth milling fixture for flange forks of claim 1, wherein: the mouse tray mechanism comprises a mouse tray (22), the mouse tray (22) is matched with an indexing oil cylinder (23) arranged in the indexing base (1), and the mouse tray (22) is locked or loosened by on-off of the indexing oil cylinder (23).
4. The nosing fork gear milling fixture of claim 1, wherein: the spherical hinge clamping mechanism comprises a spherical hinge seat (13) fixed at the top of the rotating seat (2), spherical hinges (12) are symmetrically hinged inside the spherical hinge seat (13), threaded holes (10) are machined at the top ends of the spherical hinges (12), clamping jaws (11) are pressed and fixed at the positions of the threaded holes (10) through screw caps (9), and arc jaws (8) matched with the flange forks are fixed on the clamping jaws (11); the bottom end of the spherical hinge (12) is connected with a clamping power mechanism for driving the spherical hinge to rotate and clamp.
5. The nosing fork gear milling fixture of claim 1, wherein: the clamping power mechanism comprises a connecting rod (14) hinged to the bottom end of the spherical hinge (12), the other end of the connecting rod (14) is hinged to a tensioning block (16), the tensioning block (16) is fixed to the top end of a pull rod (18) through a locking nut (15), the bottom end of the pull rod (18) is fixedly connected with the tail end of a piston rod of a tensioning oil cylinder (28), the tensioning oil cylinder (28) is fixed to the bottom end of an oil cylinder base (27) through a second long bolt (29), and the oil cylinder base (27) is fixed to the bottom end of a worm wheel mounting disc (26) of the indexing mechanism through a bolt.
6. A nosing fork gear milling fixture as claimed in claim 5, wherein: the pull rod (18) is matched with the pull rod guide mechanism, the pull rod guide mechanism comprises a guide groove (17) machined in the outer wall of the pull rod (18), the guide groove (17) is matched with a key (19), and the key (19) is fixedly installed in the central hole of the rotating seat (2).
7. The nosing fork gear milling fixture of claim 4, wherein: the clamp seat (4) is positioned at the top end of the spherical hinge seat (13) through a first cylindrical pin (5) and a first diamond-shaped pin and is fixed through a bolt.
8. The nosing fork gear milling fixture of claim 1, wherein: during clamping, the flange yoke (7) is positioned on the clamp seat (4) through the second cylindrical pin (6) and the second diamond-shaped pin.
9. The nosing fork gear milling fixture of claim 1, wherein: the indexing mechanism adopts a gear rack slewing mechanism which pushes a rack to drive a gear to rotate by adopting an oil cylinder.
10. The operation method for processing the flange yoke by adopting the flange yoke gear milling clamp as claimed in any one of claims 1 to 8 is characterized in that:
step one, positioning of a flange fork (7):
positioning a flange fork (7) to be processed on the clamp seat (4) through a second cylindrical pin (6) and a second diamond-shaped pin;
step two, clamping the flange yoke (7):
starting a clamping power mechanism, driving a pull rod (18) through a tensioning oil cylinder (28), driving a tensioning block (16) through the pull rod (18), synchronously driving a connecting rod (14) through the tensioning block (16), driving a spherical hinge (12) to rotate through the connecting rod (14), and driving a clamping jaw (11) at the top of the spherical hinge (12) to clamp and fix a flange yoke (7) through the spherical hinge (12);
step three, milling teeth of the flange yoke (7):
after the flange yoke (7) is clamped and fixed, starting a milling machine to mill teeth of the flange yoke (7);
step four, indexing rotation of the flange fork (7):
in the process of milling teeth, when the flange fork (7) needs to rotate in an indexing manner, oil is introduced into an indexing oil cylinder (23) of a mouse tooth disc mechanism, a mouse tooth disc (22) is loosened, a motor (3) of the indexing mechanism is started, a worm (24) is driven through the motor (3), a worm wheel (25) is driven through the worm (24), a central cylinder (21) is driven through the worm wheel (25), a rotating seat (2) at the top end of the central cylinder is synchronously driven through the central cylinder (21), and then a clamp seat (4) and the flange fork (7) at the top of the central cylinder are synchronously driven to rotate through the rotating seat (2);
step five, locking the indexing mechanism:
after the indexing rotation is finished, oil is introduced into an indexing oil cylinder (23) of the mouse tooth disc mechanism, the mouse tooth disc (22) is locked, the rotating seat (2) is locked and fixed, and then the gear milling processing is continuously carried out on the flange fork (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211483495.9A CN115815711A (en) | 2022-11-24 | 2022-11-24 | Flange yoke gear milling fixture and operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211483495.9A CN115815711A (en) | 2022-11-24 | 2022-11-24 | Flange yoke gear milling fixture and operation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115815711A true CN115815711A (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211483495.9A Pending CN115815711A (en) | 2022-11-24 | 2022-11-24 | Flange yoke gear milling fixture and operation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115815711A (en) |
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2022
- 2022-11-24 CN CN202211483495.9A patent/CN115815711A/en active Pending
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