CN217595918U

CN217595918U - Direct-drive power knife rest

Info

Publication number: CN217595918U
Application number: CN202221000150.9U
Authority: CN
Inventors: 许鸿杨
Original assignee: Jiangsu Hongda Numerical Control Science & Technology Co ltd
Current assignee: Jiangsu Hongda Numerical Control Science & Technology Co ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-10-18
Anticipated expiration: 2032-04-27

Abstract

The utility model relates to a numerical control lathe technical field specifically is a directly drive power knife rest, including the box with directly drive the motor, the rotor that directly drives the motor runs through the box back fixedly connected with ring gear, the front end fixedly connected with blade disc of ring gear, the front end fixedly connected with outer ring gear of box, the outside of rotor just is located the box and rotates the oil-stop sleeve that has cup jointed the end ring and be located between ring gear and the end ring, the outside of oil-stop sleeve cup jointed respectively with outer ring gear and ring gear engaged locking ring gear, the outer wall of oil-stop sleeve is fixed to be equipped with first bulge loop, the fixed second bulge loop that is equipped with of inner wall of locking ring gear, enclose between first bulge loop and the second bulge loop and close first oil pocket, the box, the end ring, enclose between oil-stop sleeve and the locking ring gear and close the second oil pocket. The utility model discloses an isolated hydraulic oil of oil stopping sleeve and rotor contact, and then avoid the flank of tooth that hydraulic oil contacted outer ring gear and ring gear, greatly reduced the rotor rotation resistance for the tool changing process is steady smooth.

Description

Direct-drive power knife rest

Technical Field

The utility model relates to a numerical control lathe technical field specifically is a directly drive power knife rest.

Background

At present, the loosening and locking structure of the direct-drive power tool rest mostly adopts a structure that hydraulic oil directly acts on a rotating inner gear ring, a sealing element is needed to be adopted to prevent leakage in the structure, but the friction force of the sealing element can cause overlarge transposition resistance, the tool changing speed and the positioning precision of the direct-drive power tool rest are influenced, and the perfect performance of high precision and high speed cannot be stably achieved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a directly drive power knife rest 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 directly drive power knife rest, includes the box, the rear end of box is fixed to be equipped with directly drives the motor, the rotor that directly drives the motor runs through the box back fixedly connected with ring gear, the front end fixedly connected with blade disc of ring gear, the front end fixedly connected with outer ring gear of box, the outside of rotor just is located the box and rotates the oil stopping cover that has cup jointed the end circle and be located between ring gear and the end circle, the outside of oil stopping cover has cup jointed the locking ring gear with outer ring gear and ring gear meshing respectively, the outer wall of oil stopping cover is fixed and is equipped with first bulge loop, the inner wall of locking ring gear is fixed and is equipped with the second bulge loop, enclose first oil pocket between first bulge loop and the second bulge loop, the oil path hole that communicates with first oil pocket is seted up to the locking ring gear, set up the first hydraulic fluid port that communicates with oil path hole on the box, the internal surface of box, the preceding terminal surface of end circle, the surface of oil stopping cover and the rear end face of locking ring gear between enclose the second oil pocket, set up the second hydraulic fluid port that communicates with the second oil pocket on the box.

Optionally, the front end of the outer gear ring is fixedly connected with a water receiving tray on the outer side of the inner gear ring, and the front end of the water receiving tray is abutted to the cutter head.

Optionally, the rotor is a hollow shaft.

Optionally, the inner wall of the box body is fixedly provided with a limiting ring, and the front end face of the limiting ring is abutted to the rear end face of the end ring.

Compared with the prior art, the utility model discloses possess following beneficial effect: the utility model discloses an isolated hydraulic oil of oil stopping sleeve and rotor contact, and then avoid the flank of tooth that hydraulic oil contacted outer ring gear and ring gear, greatly reduced the rotor rotation resistance for the tool changing process is steady smooth.

Drawings

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

fig. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is a schematic structural view of the middle box, the end ring, the oil stop sleeve and the locking gear ring of the present invention;

fig. 4 is a schematic structural diagram of the middle locking gear ring of the present invention.

In the figure: 1. a box body; 2. a direct drive motor; 3. a rotor; 4. an outer ring gear; 5. a water pan; 6. a cutter head; 7. an inner gear ring; 8. a limiting ring; 9. an end ring; 10. an oil stopping sleeve; 11. a first convex ring; 12. locking the gear ring; 13. a second convex ring; 14. an oil bore hole; 15. a first oil chamber; 16. a second oil chamber; 17. a first oil port; 18. a second oil port.

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.

The embodiment is as follows: referring to fig. 1-4, the utility model provides a directly drive power knife rest, including box 1, the rear end of box 1 directly drives motor 2 through bolt fixedly connected with, and the rotor 3 that directly drives motor 2 runs through box 1 back fixedly connected with ring gear 7, and rotor 3 is the hollow shaft. The front end fixedly connected with blade disc 6 of ring gear 7, the front end fixedly connected with outer ring gear 4 of box 1, the front end of outer ring gear 4 just is located the outside fixedly connected with water collector 5 of ring gear 7, the front end of water collector 5 with have blade disc 6 butt.

The outside of rotor 3 just is located the box 1 internal rotation and has cup jointed end ring 9 and be located the oil stopping cover 10 between ring gear 7 and the end ring 9, and the inner wall integrated into one piece of box 1 has spacing ring 8, and the preceding terminal surface of spacing ring 8 and the rear end butt of end ring 9. And a locking gear ring 12 which is respectively engaged with the outer gear ring 4 and the inner gear ring 7 is sleeved on the outer side of the oil stopping sleeve 10. Insert perpendicularly on the preceding terminal surface of spacing ring 8 and be equipped with first locating pin, insert in the end collar 9 through first locating pin, in order to realize spacing to the circumference of end collar 9, and in the same way, insert on the preceding terminal surface of end collar 9 and be equipped with the second locating pin, insert in locking ring gear 12 through the second locating pin, in order to realize spacing to the circumference of locking ring gear 12, make locking ring gear 12 can not rotate in the box promptly through the locating pin, guarantee that the flank of tooth of locking ring gear 12 is adjusted the flank of tooth of outer ring gear 4 well all the time.

The outer wall of the oil stopping sleeve 10 is integrally formed with a first convex ring 11, the inner wall of the locking gear ring 12 is integrally formed with a second convex ring 13, a first oil cavity 15 is enclosed between the first convex ring 11 and the second convex ring 13, the locking gear ring 12 is provided with an oil diameter hole 14 communicated with the first oil cavity 15, and the box body 1 is provided with a first oil port 17 communicated with the oil diameter hole 14.

A second oil cavity 16 is enclosed among the inner surface of the box body 1, the front end surface of the end ring 9, the outer surface of the oil stop sleeve 10 and the rear end surface of the locking gear ring 12, and a second oil port 18 communicated with the second oil cavity 16 is formed in the box body 1.

In this embodiment, the first oil port 17 and the second oil port 18 are respectively communicated with a hydraulic pump through a hydraulic oil pipeline, the hydraulic pump is used to convert mechanical energy into pressure to push hydraulic oil to flow in the hydraulic oil pipeline, and the flow direction of the hydraulic oil is changed by controlling a valve in the hydraulic oil pipeline. Hydraulic oil is pumped into the first oil cavity 15 through the first oil port 17, the hydraulic oil pushes the locking gear ring 12 to be far away from the outer gear ring 4 and the inner gear ring 7 until the locking gear ring is not meshed any more, at the moment, the direct drive motor 2 is started, the rotor 3 can drive the cutter head 6 to rotate, and cutter changing operation can be carried out on the cutter head 6. And pumping hydraulic oil into a second oil cavity 16 through a second oil port 18, wherein the hydraulic oil pushes the locking gear ring 12 to be far away from the end ring 9 until the locking gear ring 12 is meshed with the outer gear ring 4 and the inner gear ring 7, and the cutter head 6 is fixedly locked under the locking action of the outer gear ring 4.

The utility model discloses an isolated hydraulic oil of stagnant oil cover 10 contacts with rotor 3, and then avoids hydraulic oil to contact the flank of tooth of outer ring gear 4 and ring gear 7, greatly reduces 3 rotating resistance of rotor for the tool changing process is steady smooth. It should be noted that, as shown in fig. 3, seal rings are installed between the case 1 and the locking gear ring 12, between the case 1 and the end ring 9, between the end ring 9 and the oil stop sleeve 10, and between the oil stop sleeve 10 and the locking gear ring 12 in an expansion joint manner, so as to prevent hydraulic oil from leaking.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a component of' 8230; \8230;" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.

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. A directly drive power knife rest which characterized in that: the oil-stopping device comprises a box body (1), wherein a direct drive motor (2) is fixedly arranged at the rear end of the box body (1), a rotor (3) of the direct drive motor (2) penetrates through the box body (1) and is fixedly connected with an inner gear ring (7), a cutter head (6) is fixedly connected with the front end of the inner gear ring (7), an outer gear ring (4) is fixedly connected with the front end of the box body (1), an end ring (9) and an oil-stopping sleeve (10) are rotatably sleeved on the outer side of the rotor (3) and positioned in the box body (1) and between the inner gear ring (7) and the end ring (9), a locking gear ring (12) which is respectively meshed with the outer gear ring (4) and the inner gear ring (7) is sleeved on the outer side of the oil-stopping sleeve (10), the outer wall of ending oil jacket (10) is fixed and is equipped with first bulge loop (11), the inner wall of locking ring gear (12) is fixed and is equipped with second bulge loop (13), enclose between first bulge loop (11) and second bulge loop (13) and close first oil pocket (15), locking ring gear (12) are seted up with oil footpath hole (14) of first oil pocket (15) intercommunication, set up on box (1) first hydraulic fluid port (17) with oil footpath hole (14) intercommunication, it has the second oil pocket to enclose to close between the rear end face of the internal surface of box (1), preceding terminal surface of end ring (9), the surface of ending oil jacket (10) and locking ring gear (12) between the internal surface of box (1), end ring (9) (16) And a second oil port (18) communicated with the second oil chamber (16) is formed in the box body (1).

2. The direct drive power tool post of claim 1, wherein: the front end of outer ring gear (4) just is located outside fixedly connected with water collector (5) of ring gear (7), the front end of water collector (5) with have blade disc (6) butt.

3. The direct drive power tool holder of claim 1, wherein: the rotor (3) is a hollow shaft.

4. The direct drive power tool post of claim 1, wherein: the inner wall of the box body (1) is fixedly provided with a limiting ring (8), and the front end face of the limiting ring (8) is abutted against the rear end face of the end ring (9).