CN212526901U

CN212526901U - Eight-groove milling clamp for steering shaft

Info

Publication number: CN212526901U
Application number: CN202021026383.7U
Authority: CN
Inventors: 毛权东; 毛权文
Original assignee: Ruian Yuxi Steering Device Co ltd
Current assignee: Ruian Yuxi Steering Device Co ltd
Priority date: 2020-06-06
Filing date: 2020-06-06
Publication date: 2021-02-12
Anticipated expiration: 2030-06-06

Abstract

The utility model relates to a steering spindle mills eight groove anchor clamps, which comprises a workbench, be equipped with dividing head and oil pressure thimble tailstock on the workstation, be equipped with two claw floating chuck on the front end of dividing head, the front end of two claw floating chuck is equipped with first heterotypic claw and second heterotypic claw, the rear end of dividing head is equipped with gyration oil pressure cylinder, be equipped with the connecting axle on the gyration oil pressure cylinder, connecting axle and two claw floating chuck be coaxial setting, the connecting axle pierces through to the front end of dividing head and is connected with two claw floating chuck, the front end of two claw floating chuck still is equipped with first top, first top sets up between first heterotypic claw and second heterotypic claw, be equipped with the pneumatic cylinder on the rear end of oil pressure thimble tailstock, be connected with the loose axle on the pneumatic cylinder, be equipped with the second top on the front end of loose axle, the second top is corresponding with first top and is in same water flat line, the utility model discloses can satisfy the centre gripping requirement of milling eight grooves and car bayonet socket processing.

Description

Eight-groove milling clamp for steering shaft

Technical Field

The utility model relates to an anchor clamps technical field, especially a steering spindle mills eight groove anchor clamps.

Background

Two processes of milling eight grooves and turning bayonets are needed in the machining of the steering shaft, originally, the machining is respectively carried out through a milling machine and a lathe, and the machining is carried out through the two processes, so that the position of the machined steering shaft cannot meet the design precision requirement, and the assembly precision and the performance of the final valve assembly are influenced. The existing machining center can mill eight grooves and turning bayonets on the steering shaft at the same time, but because the clamp on the current market can not meet the clamping requirement of milling the eight grooves and the turning bayonets at the same time, the clamp used for milling the eight grooves mainly needs large clamping force and rigidity, and the clamp used for turning the bayonet is mainly used for centering the steering shaft, so that the steering shaft always rotates on the axis, the eight grooves and the turning bayonet are machined by two processes at present, and therefore, the clamp capable of meeting the two processes of milling the eight grooves and the turning bayonet at the same time is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides an eight groove anchor clamps of steering spindle milling, it presss from both sides tightly through two claw floating chuck and tightly deuterogamies first top and the top double-top clamping of second, can satisfy the centre gripping requirement, once accomplishes eight grooves and bayonet socket processing, has solved the above-mentioned problem that exists among the prior art in the use.

The technical scheme of the utility model is realized like this:

the utility model provides an eight groove anchor clamps of steering spindle milling, includes the workstation, be equipped with the dividing head on the workstation, be equipped with two claw float chuck on the front end of dividing head, two claw float chuck's front end is equipped with first heterotypic claw and second dysmorphism claw, first heterotypic claw is the symmetry setting as the central line with the axle center of two claw chuck with second dysmorphism claw, the rear end of dividing head is equipped with gyration oil hydraulic cylinder, be equipped with the connecting axle on the gyration oil hydraulic cylinder, the connecting axle is coaxial setting with two claw float chuck, it has the through-hole to open on the dividing head, the connecting axle pierces through the through-hole to the front end of dividing head and is connected with two claw float chuck.

Preferably, the front end of the two-jaw floating chuck is further provided with a first tip, the first tip is arranged between the first special-shaped jaw and the second special-shaped jaw, and the axle center of the first tip is the same as that of the two-jaw chuck.

Preferably, an oil pressure thimble tailstock is further arranged on the workbench, a hydraulic cylinder is arranged at the rear end of the oil pressure thimble tailstock, a movable shaft is connected to the hydraulic cylinder and arranged on the oil pressure thimble tailstock, a second tip is arranged at the front end of the movable shaft, and the second tip corresponds to the first tip and is located on the same horizontal line.

Preferably, the dividing head is provided with a rotating seat matched with the two-jaw floating chuck, and the two-jaw floating chuck is fixedly connected to the rotating seat through a screw.

Preferably, the axle center of the two-jaw floating chuck is provided with a connecting rod, the rear end of the connecting rod is connected with the connecting shaft through a screw rod, the front end of the connecting shaft further comprises a connecting flange, and the two-jaw floating chuck is connected with the connecting flange through the screw rod.

Preferably, a rotary oil cylinder flange is arranged at the front end of the rotary oil cylinder, and the rotary oil cylinder is connected with the dividing head through the rotary oil cylinder flange.

Preferably, a tailstock flange is arranged on the oil pressure tailstock, a hydraulic flange is arranged on the hydraulic cylinder, and the hydraulic flange is connected with the tailstock flange through a screw rod.

To sum up, the beneficial effects of the utility model reside in that:

1. the utility model discloses a first top carries out the clamping with the top two tops of second to the steering spindle, first top can center the steering spindle with the second top, the axle center that makes the steering spindle is in on the same position with first top and the top axle center of second, when gyration oil hydraulic cylinder drives two claw float chuck and first top and rotates, the steering spindle just rotates on its axle center always, satisfy the centre gripping demand of car bayonet socket, first heterotypic claw on the two claw float chuck in addition also can press from both sides tightly the steering spindle with second heterotypic claw, first heterotypic claw can provide great clamp force and rigidity with second heterotypic claw, satisfy the demand of milling eight grooves.

2. The two-jaw floating chuck is fixedly connected to the rotating seat on the dividing head through the screw, so that the connection stability of the two-jaw floating chuck and the dividing head can be enhanced, and the rotation of the floating chuck is not influenced. Two claw float chuck is through connecting rod and connecting axle threaded connection on its axle center for keep two claw float chuck and connecting axle to be the state with the axle center always, strengthen the utility model discloses an accuracy nature.

3. The rotary oil hydraulic cylinder is connected with the dividing head through a rotary oil cylinder flange, the hydraulic cylinder is connected with a tailstock flange on the oil pressure tailstock through a hydraulic flange, and the structure is stable and reliable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an enlarged view of the two-jaw float chuck, the first center point and the second center point of fig. 1.

In the figure: 1. a work table; 2. a dividing head; 3. a two-jaw float chuck; 4. a first shaped jaw; 5. a second shaped jaw; 6. a rotary oil hydraulic cylinder; 7. a connecting shaft; 8. a through hole; 9. a first tip; 10. an oil pressure thimble tailstock; 11. a hydraulic cylinder; 12. a movable shaft; 13. a second tip; 14. a rotating seat; 15. a connecting rod; 16. a connecting flange; 17. a rotary oil cylinder flange plate; 18. a tailstock flange plate; 19. a hydraulic flange plate; 20. a steering shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1-2 of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Examples

As shown in fig. 1 to 2, the utility model discloses an eight-groove milling fixture for steering shafts, which comprises a workbench 1, wherein a dividing head 2 is arranged on the workbench 1, a two-jaw floating chuck 3 is arranged at the front end of the dividing head 2, a first special-shaped jaw 4 and a second special-shaped jaw 5 are arranged at the front end of the two-jaw floating chuck 3, the first special-shaped jaw 4 and the second special-shaped jaw 5 are symmetrically arranged by taking the axis of the two-jaw floating chuck 3 as the central line, a rotary oil hydraulic cylinder 6 is arranged at the rear end of the dividing head 2, a connecting shaft 7 is arranged on the rotary oil hydraulic cylinder 6, the connecting shaft 7 and the two-jaw floating chuck 3 are coaxially arranged, a through hole 8 is arranged on the dividing head 2, the connecting shaft 7 penetrates through the through hole 8 to the front end of the dividing head 2 and is connected with the two-jaw floating chuck 3, a first tip 9 is further arranged at the front end of the two-jaw floating chuck 3, the first tip 9 is arranged between the first special-shaped jaw 4 and the second special, the center of the first center 9 is the same as that of the two-jaw floating chuck 3, the workbench 1 is further provided with an oil pressure thimble tail seat 10, the rear end of the oil pressure thimble tail seat 10 is provided with a hydraulic cylinder 11, the hydraulic cylinder 11 is connected with a movable shaft 12, the movable shaft 12 is arranged on the oil pressure thimble tail seat 10, the front end of the movable shaft 12 is provided with a second center 13, and the second center 13 corresponds to the first center 9 and is positioned on the same horizontal line.

The utility model discloses in use, can carry out the clamping to steering spindle 20 through first top 9 and the top two tops of second 13, first top 9 can center steering spindle 20 with the top two tops of second 13, make the axle center of steering spindle 20 be in the same position with the top axle center of first top 9 point and second 13, when gyration oil hydraulic cylinder 6 drives two claw float chuck 3 and first top 9 and rotates, steering spindle 20 just rotates on its axle center always, satisfy the centre gripping demand of car bayonet socket, first heterotypic claw 4 on the two claw float chuck 3 in addition also can press from both sides steering spindle 20 with second heterotypic claw 5 and press from both sides tightly, first heterotypic claw 4 can provide great clamp force and rigidity with second heterotypic claw 5, satisfy the demand of milling flutes.

The utility model discloses in, be equipped with on the dividing head 2 and be used for rotating seat 14 with two claw float chuck 3 matched with, rotate seat 14 and set up on dividing head 1 for rotating, two claw float chuck 3 passes through screw rod fixed connection and rotates seat 14, and this structure can strengthen the stability that two claw float chuck 3 and dividing head 2 are connected to make float chuck 3's rotation not influenced.

The utility model discloses in, be equipped with connecting rod 15 on the axle center of two-jaw floating chuck 3, the rear end and the connecting axle 7 of connecting rod 15 are connected through the screw rod, and connecting rod 15 is used for keeping two-jaw floating chuck 3 and connecting axle 7 to be the state with the axle center always, strengthen the utility model discloses an accuracy nature, and the front end of connecting axle 7 is still including connecting flange 16, two-jaw floating chuck 3 is connected the intensity that is used for strengthening this structure through the screw rod with connecting flange 16.

The utility model discloses in, be equipped with gyration hydro-cylinder ring flange 17 on the front end of gyration hydraulic cylinder 6, gyration hydraulic cylinder 6 is connected with dividing head 2 through gyration hydro-cylinder ring flange 17. The oil pressure thimble tailstock 10 is provided with a tailstock flange 18, the hydraulic cylinder 11 is provided with a hydraulic flange 19, and the hydraulic flange 19 is connected with the tailstock flange 18 through a screw rod.

The utility model that should point out simultaneously indicates the terminology, like: the directional or positional relationships indicated as "front", "rear", "vertical", "horizontal", etc. are based on the directional or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the invention.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a steering spindle mills eight groove anchor clamps, includes workstation (1), its characterized in that: be equipped with dividing head (2) on workstation (1), be equipped with two claw float chuck (3) on the front end of dividing head (2), the front end of two claw float chuck (3) is equipped with first heterotypic claw (4) and second dysmorphism claw (5), first heterotypic claw (4) and second dysmorphism claw (5) are the symmetry setting with the axle center of two claw float chuck (3) as the central line, the rear end of dividing head (2) is equipped with gyration hydraulic cylinder (6), be equipped with connecting axle (7) on gyration hydraulic cylinder (6), connecting axle (7) are coaxial setting with two claw float chuck (3), it has through-hole (8) to open on dividing head (2), connecting axle (7) pierce through-hole (8) to the front end of dividing head (2) and are connected with two claw float chuck (3).

2. The steering shaft eight-groove milling clamp according to claim 1, wherein: the front end of the two-jaw floating chuck (3) is further provided with a first tip (9), the first tip (9) is arranged between the first special-shaped jaw (4) and the second special-shaped jaw (5), and the axle centers of the first tip (9) and the two-jaw floating chuck (3) are the same.

3. The steering shaft eight-groove milling fixture as claimed in claim 2, wherein: the hydraulic thimble structure is characterized in that an oil pressure thimble tailstock (10) is further arranged on the workbench (1), a hydraulic cylinder (11) is arranged at the rear end of the oil pressure thimble tailstock (10), a movable shaft (12) is connected onto the hydraulic cylinder (11), the movable shaft (12) is arranged on the oil pressure thimble tailstock (10), a second tip (13) is arranged at the front end of the movable shaft (12), and the second tip (13) corresponds to the first tip (9) and is located on the same horizontal line.

4. The steering shaft eight-groove milling clamp according to claim 3, wherein: the dividing head (2) is provided with a rotating seat (14) matched with the two-jaw floating chuck (3), and the two-jaw floating chuck (3) is fixedly connected to the rotating seat (14) through a screw.

5. The steering shaft eight-groove milling clamp according to claim 4, wherein: be equipped with connecting rod (15) on the axle center of two claw float chuck (3), the rear end and connecting axle (7) of connecting rod (15) are connected through the screw rod, the front end of connecting axle (7) still is including connecting flange (16), two claw float chuck (3) are connected with connecting flange (16) through the screw rod.

6. The steering shaft eight-groove milling clamp according to claim 5, wherein: the front end of the rotary oil hydraulic cylinder (6) is provided with a rotary oil cylinder flange (17), and the rotary oil hydraulic cylinder (6) is connected with the dividing head (2) through the rotary oil cylinder flange (17).

7. The steering shaft eight-groove milling clamp according to claim 6, wherein: the oil pressure thimble tailstock (10) is provided with a tailstock flange (18), the hydraulic cylinder (11) is provided with a hydraulic flange (19), and the hydraulic flange (19) is connected with the tailstock flange (18) through a screw rod.