CN210412892U

CN210412892U - Milling cutter centering device for numerical control spiral bevel gear milling machine

Info

Publication number: CN210412892U
Application number: CN201921376615.9U
Authority: CN
Inventors: 刘桂月
Original assignee: Tianjin Xuanyu Machine Tool Equipment Co ltd
Current assignee: Tianjin Xuanyu Machine Tool Equipment Co ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-04-28
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses a milling cutter centering device for numerical control spiral bevel gear milling machine, including the milling cutter dish, the outer tip of milling cutter dish front and back has all opened first draw-in groove, open first draw-in groove medial surface has the second draw-in groove, swing joint has the movable rod in the second draw-in groove, the outer tip fixed mounting of movable rod has milling cutter, open at milling cutter dish rear end face middle part has the third draw-in groove, the tip is equipped with the spacing collar before the third draw-in groove, swing joint has the toper sliding seat in the third draw-in groove, milling cutter dish the place ahead is equipped with the adjustment lantern ring, the outer tip of adjustment lantern ring front and back has all opened spacing jack. This milling cutter centering device for numerical control spiral bevel gear milling machine can drive the movable rod and make a plurality of milling cutters insert in the spacing jack, judges whether milling cutter sets up around the milling cutter centering through observing whether the lateral surface both ends of milling cutter laminate with spacing jack, has improved the machining precision of spiral bevel gear milling machine.

Description

Milling cutter centering device for numerical control spiral bevel gear milling machine

Technical Field

The utility model relates to a mill tooth machine technical field specifically is a numerical control spiral bevel gear mills for tooth machine milling cutter centering device.

Background

The spiral bevel gear milling machine is a finish machining device which adopts a numerical control technology and is used for machining high-precision spiral bevel gears and hypoid gears with the modulus of less than or equal to 15mm and the diameter of less than or equal to 800 mm. The machine tool is universal in design and is suitable for large-scale production of gears of medium and heavy trucks with rough and finish machining, mining machinery, engineering machinery and ships. The machine tool can be used for producing various high-precision spiral bevel gears and hypoid gears with medium diameters in the mechanical manufacturing industry. The spiral bevel gear milling machine adopts an alternating-current variable-frequency motor as a main driving force source, the cradle and the workpiece main shaft are driven by a servo motor to drive a precise worm gear pair, and the saddle feeding is driven by the servo motor through a precise ball screw, so that the traditional mechanical transmission is simplified, a change of a hanging wheel is not needed, the machine tool adjusting time is shortened, a transmission chain is simplified, the precision is further improved, and the operation is more accurate and convenient. When the gear milling machine is used for processing gears, the milling cutter is firstly installed on the milling cutter frame, the milling cutters of the bevel gear milling machine are generally arranged in a plurality of modes, a plurality of milling cutters are usually fixed with the gear milling machine in sequence in the traditional mode, and because the milling cutters have installation errors, when the bevel gear milling machine is used for processing bevel gears, if the error adjustment generated by the installation of the milling cutters is not carried out, the depth of bevel teeth on a workpiece is easily different, and the processing rejection rate of the arc bevel gear milling machine is increased. The existing milling cutter centering device generally adopts a three-jaw centering chuck to realize the centering treatment of the milling cutter, however, the centering treatment mode of the three-jaw chuck is low in efficiency, and the installation and the replacement of a single milling cutter are inconvenient, so that the milling cutter centering device for the numerical control spiral bevel gear milling machine is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a numerical control spiral bevel gear mills milling cutter centering device for tooth machine to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a milling cutter centering device for numerical control spiral bevel gear milling machine, includes the milling cutter dish, the outer tip of milling cutter dish front and back has all opened first draw-in groove, the second draw-in groove has been opened to first draw-in groove medial surface, swing joint has the movable rod in the second draw-in groove, the outer tip fixed mounting of movable rod has milling cutter, open at milling cutter dish rear end face middle part has the third draw-in groove, the tip is equipped with the spacing collar before the third draw-in groove, swing joint has the toper sliding seat in the third draw-in groove, milling cutter dish the place ahead is equipped with the adjustment lantern ring, the outer tip of adjustment lantern ring front and back has all opened spacing jack.

Preferably, the movable rod is T-shaped, and the inner end surface of the movable rod is attached to the outer side surface of the conical movable seat.

Preferably, a limiting ring is arranged in a gap between the front end face of the conical movable seat and the milling cutter disc, and a first hole groove is formed in the middle of the conical movable seat.

Preferably, a second hole groove is formed in the middle of the milling cutter disc, the second hole groove and the first hole groove are opposite in front and back positions, and the second hole groove and the first hole groove are equal in size.

Preferably, the milling cutter is movably inserted in the limiting insertion hole, and the groove width of the limiting insertion hole is larger than that of the milling cutter.

Preferably, the first clamping groove and the second clamping groove are communicated with the third clamping groove in sequence, and the first clamping groove and the second clamping groove are annularly arrayed on the milling cutter disc.

Compared with the prior art, the beneficial effects of the utility model are that: this numerical control spiral bevel gear milling machine milling cutter centering device, through setting up the movable rod, milling cutter, the toper sliding seat, adjustment lantern ring and spacing collar structure, insert the rear end face of milling cutter dish through the toper sliding seat, it makes a plurality of milling cutters insert in the spacing jack to drive the movable rod, judge whether milling cutter sets up around the milling cutter centering with spacing jack laminating through observing milling cutter's lateral surface both ends, the slip regulation mode of toper sliding seat, not only can increase the efficiency of milling cutter centering treatment, and can be convenient for to the installation and the change of single milling cutter, the machining precision of spiral bevel gear milling machine has been improved, the processing disability rate of spiral bevel gear milling machine has been reduced, thereby reach the effect that improves spiral bevel gear milling machine processingquality and efficiency.

Drawings

FIG. 1 is a main sectional view of the structure of the present invention;

fig. 2 is a left sectional view of the structure of the present invention.

In the figure: the milling cutter comprises a milling cutter head 1, a first clamping groove 2, a second clamping groove 3, a movable rod 4, a milling cutter 5, a third clamping groove 6, a conical movable seat 7, a first hole groove 8, a limiting ring 9, an adjusting sleeve ring 10, a second hole groove 11 and a limiting jack 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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 work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a milling cutter centering device for numerical control spiral bevel gear milling machine, includes milling cutter dish 1, 1 fixed mounting of milling cutter dish is on spiral bevel gear milling machine, the outer tip of milling cutter dish 1 front and back has all opened first draw-in

groove

2, 2 medial surfaces of first draw-in groove are opened there is second draw-in groove 3, the outside of second draw-in groove 3 is located to first draw-in groove 2, and first draw-in groove 2 and second draw-in groove 3 communicate with each other, first draw-in groove 2 and second draw-in groove 3 all communicate with each other with third draw-in groove 6 in proper order, and first draw-in groove 2 and second draw-in groove 3 are the annular array on milling cutter dish 1. And a movable rod 4 is movably connected in the second clamping groove 3, the movable rod 4 is T-shaped, and the inner end surface of the movable rod 4 is attached to the outer side surface of the conical movable seat 7. "T" font of movable rod 4, from inboard outside lateral tilt, the outer tip fixed mounting of movable rod 4 has milling cutter 5, milling cutter 5 is fixed in the outer tip of movable rod 4 through the bolt, open at 1 rear end face middle part of milling cutter dish has third draw-in groove 6, third draw-in groove 6 is the countersunk head groove, the tip is equipped with spacing collar 9 before the third draw-in groove 6, the spacing collar 9 material is rubber, through setting up spacing collar 9, not only can improve the stability that toper sliding seat 7 and milling cutter dish 1 are connected, can reduce the friction between toper sliding seat 7 and the milling cutter dish 1 in addition, swing joint has toper sliding seat 7 in the third draw-in groove 6, be equipped with spacing collar 9 in 7 preceding terminal surface of toper sliding seat and the 1 clearance of milling cutter dish, and open at 7 middle parts of toper sliding seat has first hole groove 8. And a second hole groove 11 is formed in the middle of the milling cutter head 1, the front position and the rear position of the second hole groove 11 are opposite to those of the first hole groove 8, and the size of the second hole groove 11 is equal to that of the first hole groove 8. First hole groove 8 and second hole groove 11 mainly used facing cutter 1 are connected with arc bevel gear milling machine be equipped with the connecting axle on the arc bevel gear milling machine, through with facing cutter 1 cover on the connecting axle to through the bolt fastening, facing cutter 1 the place ahead is equipped with the adjustment lantern ring 10, the adjustment lantern ring 10 is as the instrument that milling cutter centering was adjusted, and equipment when non-milling cutter 5 used, in milling cutter 5 installation, can assist 5 centering adjustments of milling cutter through the adjustment lantern ring 10, the outer tip of adjustment lantern ring 10 front and back has all opened spacing jack 12. The outer side surface of the limit jack 12 is subjected to quenching treatment, the surface quenching aims at obtaining a surface with high hardness and high wear resistance, and the core part still keeps the original good toughness and is commonly used for machine tool spindles, gears, crankshafts of engines and the like. The milling cutter 5 is movably inserted in the limiting insertion hole 12, and the groove width of the limiting insertion hole 12 is larger than the width of the milling cutter 5. When the milling cutter centering device for the numerical control spiral bevel gear milling machine is used, firstly, the milling cutter 5 is arranged on the movable rod 4, secondly, the connecting bolt of the conical movable seat 7 and the milling cutter disc 1 is taken down, so that the conical movable seat 7 can slide along the connecting shaft of the bevel gear milling machine in the direction away from the milling cutter disc 1, at the moment, sleeving the adjusting lantern ring 10 on the outer side of the milling cutter 5, enabling the conical movable seat 7 to slide along the connecting shaft on the bevel gear milling machine towards the milling cutter head 1, observing whether the inner side surface of the adjusting lantern ring 10 is contacted with the outer side surface of the milling cutter 5 when the inner end part of the conical movable seat 7 is tightly contacted with the limiting ring 9, therefore, the centering of the milling cutter 5 is realized, the processing precision of the arc bevel gear milling machine is improved, the processing rejection rate of the arc bevel gear milling machine is reduced, and the processing quality and efficiency of the bevel gear milling machine are improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a milling cutter centering device for numerical control spiral bevel gear milling machine, includes milling cutter dish (1), its characterized in that: milling cutter dish (1) front and back outer tip has all been opened first draw-in groove (2), open first draw-in groove (2) medial surface has second draw-in groove (3), swing joint has movable rod (4) in second draw-in groove (3), the outer tip fixed mounting of movable rod (4) has milling cutter (5), milling cutter dish (1) rear end face middle part is opened has third draw-in groove (6), the tip is equipped with spacing collar (9) before third draw-in groove (6), swing joint has toper sliding seat (7) in third draw-in groove (6), milling cutter dish (1) the place ahead is equipped with the adjustment lantern ring (10), the outer tip of adjustment lantern ring (10) front and back has all opened spacing jack (12).

2. The milling cutter centering device for the numerical control spiral bevel gear milling machine according to claim 1, wherein: the movable rod (4) is T-shaped, and the inner side surface of the movable rod (4) is attached to the outer side surface of the conical movable seat (7).

3. The milling cutter centering device for the numerical control spiral bevel gear milling machine according to claim 1, wherein: a limiting ring (9) is arranged in a gap between the front end face of the conical movable seat (7) and the milling cutter head (1), and a first hole groove (8) is formed in the middle of the conical movable seat (7).

4. The milling cutter centering device for the numerical control spiral bevel gear milling machine according to claim 3, wherein: the middle part of the milling cutter disc (1) is provided with a second hole groove (11), the front and back positions of the second hole groove (11) and the first hole groove (8) are opposite, and the size of the second hole groove (11) is equal to that of the first hole groove (8).

5. The milling cutter centering device for the numerical control spiral bevel gear milling machine according to claim 1, wherein: the milling cutter (5) is movably inserted in the limiting insertion hole (12), and the groove width of the limiting insertion hole (12) is larger than that of the milling cutter (5).

6. The milling cutter centering device for the numerical control spiral bevel gear milling machine according to claim 1, wherein: the first clamping groove (2) and the second clamping groove (3) are communicated with the third clamping groove (6) in sequence, and the first clamping groove (2) and the second clamping groove (3) are arranged on the milling cutter disc (1) in an annular array mode.