CN115815710A - Flange gear milling fixture and operation method - Google Patents
Flange gear milling fixture and operation method Download PDFInfo
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- CN115815710A CN115815710A CN202211483492.5A CN202211483492A CN115815710A CN 115815710 A CN115815710 A CN 115815710A CN 202211483492 A CN202211483492 A CN 202211483492A CN 115815710 A CN115815710 A CN 115815710A
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Abstract
The invention provides a flange gear milling fixture and an operation method, the fixture comprises an indexing base, wherein an indexing mechanism for realizing flange indexing rotation in the machining process is arranged in the indexing base, and the indexing mechanism is matched with a mouse tooth disc mechanism for locking; a rotating seat is rotatably supported at the top of the indexing mechanism, a clamp seat is fixed at the top of the rotating seat, and a positioning plate is fixed at the top of the clamp seat; and a clamping mechanism for clamping the flange to be processed is arranged in the clamp seat. The clamp can be widely applied to milling machine tools, is suitable for clamping all flanges, 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 gear milling clamp and an operation method, which are suitable for a flange gear milling process.
Background
The flange is a main part of an automobile transmission shaft, in the process of machining the upper teeth of the flange, the generally adopted machining process is broaching machining, indexing accuracy is an important index of the upper teeth, 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.
Disclosure of Invention
In order to solve the technical problems, the invention provides a flange gear milling clamp and an operation method, the clamp can be widely applied to a milling machine tool, is suitable for clamping all flanges, 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 gear milling clamp comprises an indexing base, wherein an indexing mechanism used for realizing flange indexing rotation in the machining process is installed inside the indexing base, and the indexing mechanism is matched with a mouse tooth disc mechanism used for locking; a rotating seat is rotatably supported at the top of the indexing mechanism, a clamp seat is fixed at the top of the rotating seat, and a positioning plate is fixed at the top of the clamp seat; and a clamping mechanism for clamping the flange to be processed is arranged in the clamp 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 disc, and the worm wheel mounting disc 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 worm wheel mounting plate is fixed at the bottom end of the central cylinder through a second long bolt; the worm wheel is fixed at the excircle part of the worm wheel mounting disc through a third long bolt.
The clamp seat is fixed on the top of the rotating seat through a fourth long bolt; the positioning plate is fixed at the top end of the clamp seat through a fifth long bolt.
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 clamping mechanism comprises an oil cylinder body fixed at the center inside the clamp seat, an oil cylinder piston is installed inside the oil cylinder body in a matched mode, a chuck core shaft is installed on the oil cylinder piston in a matched mode, the chuck core shaft and a center hole of the center positioning seat form a sliding fit, a spring chuck is fixed at the top end of the chuck core shaft, and the spring chuck is matched with the center hole of the flange.
The central positioning seat is fixed at the top end of the oil cylinder body through a set screw.
The spring chuck is fixed at the top end of the chuck mandrel through a locking nut.
And the positioning plate is symmetrically fixed with pressing oil cylinders for pressing and fixing the flange, the top end of a piston rod of each pressing oil cylinder is fixed with a pressing plate, and the pressing plates are fixedly pressed at the top end of the flange.
The operation method for machining the flange by adopting the flange gear milling clamp comprises the following steps:
step one, positioning a flange:
positioning a flange to be processed on a positioning plate through a cylindrical pin and a diamond pin;
step two, clamping the flange:
starting a clamping mechanism, driving a chuck mandrel through an oil cylinder piston, driving a spring chuck through the chuck mandrel, and performing center clamping and fixing on the flange through the spring chuck; simultaneously, starting a pressing oil cylinder, driving a pressing plate through the pressing oil cylinder, and pressing the top end of the flange through the pressing plate;
step three, milling teeth of the flange:
after the flange is clamped and fixed, starting a milling machine to mill the teeth of the flange;
step four, indexing rotation of the flange:
in the process of milling teeth, when the flange needs to be rotated 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 clamping mechanism and the flange 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 tooth milling processing is continuously carried out on the flange.
The invention has the following beneficial effects:
1. the clamp can be widely applied to milling machine tools, is suitable for clamping all flanges, 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 the indexing of the flange.
3. The mouse tray mechanism can realize locking and fixing of the rotating seat.
4. The clamping mechanism can be used to clamp and fix the flange.
5. The pressing oil cylinder can realize the pressing and fixing of the flange.
Drawings
The invention is further illustrated by the following figures and examples.
Fig. 1 is a front sectional view of the present invention.
Fig. 2 is a three-dimensional view of the present invention.
In the figure: the automatic clamping device comprises an indexing base 1, a motor 2, a rotating seat 3, a clamp seat 4, a pressing oil cylinder 5, a positioning plate 6, a flange 7, a pressing plate 8, a worm 9, a worm wheel 10, a worm wheel mounting plate 11, a central cylinder 12, a second long bolt 13, a third long bolt 14, an indexing oil cylinder 15, a mouse tray 16, a fourth long bolt 17, a fifth long bolt 18, a locking nut 19, a chuck mandrel 20, a spring chuck 21, a central positioning seat 22, an oil cylinder body 23, an oil cylinder piston 24 and a first long bolt 25.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
referring to fig. 1-2, a flange gear milling fixture comprises an indexing base 1, wherein an indexing mechanism for realizing flange indexing rotation in a machining process is installed inside the indexing base 1, and the indexing mechanism is matched with a mouse tooth disc mechanism for locking; a rotating seat 3 is rotatably supported at the top of the indexing mechanism, a clamp seat 4 is fixed at the top of the rotating seat 3, and a positioning plate 6 is fixed at the top of the clamp seat 4; and a clamping mechanism for clamping the flange to be processed is arranged in the clamp seat 4. The clamp can be widely applied to milling machine tools, is suitable for clamping all flanges, 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 working process, the flange 7 is centrally positioned and clamped through the clamping mechanism, and corresponding gear milling is carried out after the flange is clamped and positioned.
Furthermore, the indexing mechanism comprises a motor 2 fixed on the outer wall of one side of the indexing base 1, an output shaft of the motor 2 is connected with a worm 9, the worm 9 is meshed with a worm wheel 10 to form a worm wheel pair, the worm wheel 10 is fixed on the outer edge of a worm wheel mounting disc 11, and the worm wheel mounting disc 11 is fixed at the bottom end of a central cylinder 12; the top end of the center cylinder 12 is fixedly mounted with the rotary base 3 by a first long bolt 25. The indexing mechanism can realize indexing operation, and further realize the indexing of the flange. In the working process, when the flange needs to be indexed, the motor 2 of the indexing mechanism is started, the worm 9 is driven through the motor 2, the worm wheel 10 is driven through the worm 9, the central cylinder 12 is driven through the worm wheel 10, the rotating seat 3 at the top end of the central cylinder 12 is synchronously driven through the central cylinder 12, and then the clamping mechanism at the top of the rotating seat 3 and the flange 7 are synchronously driven to rotate through the rotating seat 3.
Further, the worm wheel mounting plate 11 is fixed at the bottom end of the central cylinder 12 through a second long bolt 13; the worm wheel 10 is fixed at the outer circle part of the worm wheel mounting plate 11 through a third long bolt 14. The worm wheel mounting plate 11 can be reliably fixed and locked through the mounting structure.
Further, the clamp seat 4 is fixed on the top of the rotating seat 3 through a fourth long bolt 17; the positioning plate 6 is fixed at the top end of the clamp seat 4 through a fifth long bolt 18. Reliable fixed locking of the rotating seat 3 can be realized through the mounting structure.
Further, the mouse tray mechanism comprises a mouse tray 16, the mouse tray 16 is matched with an indexing oil cylinder 15 installed inside the indexing base 1, and the locking or the unlocking of the mouse tray 16 is realized through the on-off of the indexing oil cylinder 15. The mouse tray mechanism can realize locking and fixing of the rotating seat. In the process of milling teeth, when the flange 7 needs to rotate in an indexing way, oil is introduced into an indexing oil cylinder 15 of the mouse tooth disc mechanism, and a mouse tooth disc 16 is loosened.
Furthermore, the clamping mechanism comprises an oil cylinder body 23 fixed at the center inside the clamp seat 4, an oil cylinder piston 24 is installed inside the oil cylinder body 23 in a matching mode, a chuck mandrel 20 is installed on the oil cylinder piston 24 in a matching mode, the chuck mandrel 20 and a center hole of the center positioning seat 22 form a sliding fit, a spring chuck 21 is fixed at the top end of the chuck mandrel 20, and the spring chuck 21 is matched with the center hole of the flange. The clamping mechanism can be used to clamp and fix the flange. In the working process, the chuck mandrel 20 is driven by the oil cylinder piston 24, the collet chuck 21 is driven by the chuck mandrel 20, and the flange 7 is clamped and fixed in the center by the collet chuck 21; and simultaneously, the pressing oil cylinder 5 is started, the pressing plate 8 is driven by the pressing oil cylinder 5, and the top end of the flange 7 is pressed by the pressing plate 8.
Further, the center positioning seat 22 is fixed to the top end of the cylinder block 23 by a set screw. By the above-described fixing structure, reliable clamping and fixing of the center positioning seat 22 can be achieved.
Further, the collet chuck 21 is fixed to the top end of the chuck spindle 20 by a lock nut 19. The flange 7 can be clamped and fixed by the collet chuck 21 described above.
Furthermore, the positioning plate 6 is symmetrically fixed with pressing cylinders 5 for pressing and fixing the flange 7, the top end of a piston rod of the pressing cylinder 5 is fixed with a pressing plate 8, and the pressing plate 8 is pressed and fixed on the top end of the flange 7. The pressing cylinder 5 described above can press and fix the flange 7.
Example 2:
the operation method for machining the flange by adopting the flange gear milling clamp comprises the following steps:
step one, positioning of the flange 7:
positioning a flange 7 to be processed on a positioning plate 6 through a cylindrical pin and a diamond pin;
step two, clamping of the flange 7:
starting a clamping mechanism, driving a chuck mandrel 20 through an oil cylinder piston 24, driving a collet chuck 21 through the chuck mandrel 20, and performing central clamping and fixing on the flange 7 through the collet chuck 21; simultaneously, the pressing oil cylinder 5 is started, the pressing plate 8 is driven by the pressing oil cylinder 5, and the top end of the flange 7 is pressed by the pressing plate 8;
step three, milling teeth of the flange 7:
after the flange 7 is clamped and fixed, starting a milling machine to mill teeth on the flange 7;
step four, indexing rotation of the flange 7:
in the process of milling teeth, when indexing rotation is needed, oil is introduced into an indexing oil cylinder 15 of a mouse tooth disc mechanism, a mouse tooth disc 16 is loosened, a motor 2 of the indexing mechanism is started, a worm 9 is driven through the motor 2, a worm wheel 10 is driven through the worm 9, a central cylinder 12 is driven through the worm wheel 10, a rotating seat 3 at the top end of the central cylinder is synchronously driven through the central cylinder 12, and then a clamping mechanism and a flange 7 at the top of the central cylinder are synchronously driven to rotate through the rotating seat 3;
step five, locking the indexing mechanism:
after the indexing rotation is finished, oil is introduced into an indexing oil cylinder 15 of the mouse tooth disc mechanism, the mouse tooth disc 16 is locked, the rotating seat 3 is locked and fixed, and then the tooth milling processing is continuously carried out on the flange 7.
Claims (10)
1. The utility model provides a flange mills tooth anchor clamps which characterized in that: the mouse tooth disc locking mechanism comprises an indexing base (1), wherein an indexing mechanism used for realizing flange indexing rotation in the machining process is installed inside the indexing base (1), and the indexing mechanism is matched with a mouse tooth disc mechanism used for locking; a rotating seat (3) is rotatably supported at the top of the indexing mechanism, a clamp seat (4) is fixed at the top of the rotating seat (3), and a positioning plate (6) is fixed at the top of the clamp seat (4); and a clamping mechanism for clamping the flange to be processed is arranged in the clamp seat (4).
2. A flange gear milling fixture according to claim 1, wherein: the indexing mechanism comprises a motor (2) fixed on the outer wall of one side of an indexing base (1), an output shaft of the motor (2) is connected with a worm (9), the worm (9) is meshed with a worm wheel (10) to form a worm wheel pair, the worm wheel (10) is fixed on the outer edge of a worm wheel mounting disc (11), and the worm wheel mounting disc (11) is fixed at the bottom end of a central cylinder (12); the top end of the central cylinder (12) is fixedly provided with a rotating seat (3) through a first long bolt (25).
3. A flange gear milling fixture according to claim 2, wherein: the worm wheel mounting disc (11) is fixed at the bottom end of the central cylinder (12) through a second long bolt (13); the worm wheel (10) is fixed on the outer circle part of the worm wheel mounting disc (11) through a third long bolt (14).
4. A flange gear milling fixture according to claim 1, wherein: the clamp seat (4) is fixed at the top of the rotating seat (3) through a fourth long bolt (17); the positioning plate (6) is fixed at the top end of the clamp seat (4) through a fifth long bolt (18).
5. A flange gear milling fixture according to claim 1, wherein: the mouse tray mechanism comprises a mouse tray (16), the mouse tray (16) is matched with an indexing oil cylinder (15) arranged in the indexing base (1), and the mouse tray (16) is locked or loosened by on-off of the indexing oil cylinder (15).
6. A flange gear milling fixture according to claim 1, wherein: the clamping mechanism comprises an oil cylinder body (23) fixed at the center inside the clamp seat (4), an oil cylinder piston (24) is installed inside the oil cylinder body (23) in a matched mode, a chuck core shaft (20) is installed on the oil cylinder piston (24) in a matched mode, the chuck core shaft (20) and a center hole of the center positioning seat (22) form a sliding fit, a spring chuck (21) is fixed at the top end of the chuck core shaft (20), and the spring chuck (21) is matched with the center hole of the flange.
7. A flange gear milling fixture according to claim 6, wherein: the central positioning seat (22) is fixed at the top end of the oil cylinder body (23) through a set screw.
8. A flange gear milling fixture according to claim 6, wherein: the spring chuck (21) is fixed at the top end of the chuck mandrel (20) through a locking nut (19).
9. A flange gear milling fixture according to claim 6, wherein: the positioning plate (6) is symmetrically fixed with pressing oil cylinders (5) for pressing and fixing the flange (7), the top ends of piston rods of the pressing oil cylinders (5) are fixed with pressing plates (8), and the pressing plates (8) are pressed and fixed at the top ends of the flange (7).
10. The operating method for flange milling tooth fixture according to any one of claims 1-9, characterized in that:
step one, positioning of the flange (7):
positioning a flange (7) to be processed on the positioning plate (6) through a cylindrical pin and a diamond pin;
step two, clamping the flange (7):
starting a clamping mechanism, driving a chuck mandrel (20) through an oil cylinder piston (24), driving a spring chuck (21) through the chuck mandrel (20), and performing center clamping and fixing on the flange (7) through the spring chuck (21); simultaneously starting a pressing oil cylinder (5), driving a pressing plate (8) through the pressing oil cylinder (5), and pressing the top end of the flange (7) through the pressing plate (8);
step three, milling teeth of the flange (7):
after the flange (7) is clamped and fixed, starting a milling machine to mill teeth of the flange (7);
step four, indexing rotation of the flange (7):
in the process of milling teeth, when the flange (7) needs to rotate in an indexing manner, oil is introduced into an indexing oil cylinder (15) of a mouse tooth disc mechanism, a mouse tooth disc (16) is loosened, a motor (2) of the indexing mechanism is started, a worm (9) is driven through the motor (2), a worm wheel (10) is driven through the worm (9), a central cylinder (12) is driven through the worm wheel (10), a rotating seat (3) at the top end of the central cylinder is synchronously driven through the central cylinder (12), and then a clamping mechanism and the flange (7) at the top of the central cylinder are synchronously driven to rotate through the rotating seat (3);
step five, locking the indexing mechanism:
after the indexing rotation is finished, oil is introduced into an indexing oil cylinder (15) of the mouse tooth disc mechanism, the mouse tooth disc (16) is locked, the rotating seat (3) is locked and fixed, and then the tooth milling processing is continuously carried out on the flange (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211483492.5A CN115815710A (en) | 2022-11-24 | 2022-11-24 | Flange gear milling fixture and operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211483492.5A CN115815710A (en) | 2022-11-24 | 2022-11-24 | Flange gear milling fixture and operation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115815710A true CN115815710A (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211483492.5A Pending CN115815710A (en) | 2022-11-24 | 2022-11-24 | Flange gear milling fixture and operation method |
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| Country | Link |
|---|---|
| CN (1) | CN115815710A (en) |
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2022
- 2022-11-24 CN CN202211483492.5A patent/CN115815710A/en active Pending
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