CN210817510U - Spindle and gear locking mechanism of tool turret - Google Patents

Abstract

The utility model provides a main shaft and gear locking mechanism of sword tower, include: the gear comprises a conical ring key set, a packing ring and a screw, wherein a mounting hole is formed in the inner side of the gear, and the diameter of the mounting hole is larger than that of the main shaft; the conical ring key group is sleeved on the main shaft and is arranged in the mounting hole; the tightening ring is sleeved on the main shaft and used for pressing the conical ring key set; the screw is used for fixing the tightening ring on the gear. Compared with the prior art, the beneficial effects of the utility model reside in that, the utility model provides a main shaft of sword tower converts the radial friction to with the axial impact force when the collision through toper ring key group with gear locking mechanism, and releases the impact force in advance through toper ring key group to main shaft and gear have been protected, harm is reduced to minimumly, has saved cost of maintenance.

Description

Spindle and gear locking mechanism of tool turret

Technical Field

The utility model relates to a sword tower technical field particularly, relates to a main shaft and gear locking mechanism of sword tower.

Background

In the process of adjusting the cutter tower, due to programming errors or frequent collision caused by misoperation, the gear and the main shaft are easily damaged, and even scrapped when the gear and the main shaft are serious. And in the maintenance process, a special jig is needed. The conventional design adopts a gear to be matched with a conical surface of a main shaft, and adopts a nut to lock (as shown in figure 2).

Chinese patent publication No.: CN 206425576U discloses a main shaft structure for hydraulic pressure sword tower, including the main shaft, the main shaft has the gear installation department, install the master gear on the gear installation department of main shaft, the gear installation department of main shaft and the mounting hole of master gear are the toper structure, the front end of main shaft still has locking portion, the master gear has the locking groove, be equipped with the first lock nut of locking on the locking portion of main shaft in the locking groove of master gear, still be equipped with second lock nut on the locking portion of main shaft, be equipped with the sun ring between first lock nut and the second lock nut, the slot has been seted up on the gear installation department of main shaft.

According to the arrangement, although the sun ring and the second locking nut are additionally arranged on the basis of conical surface matching, the connection between the main shaft and the main gear is gapless and is locked firmly, but when a cutter is impacted, the surface of the main shaft is easy to damage.

In view of the above-mentioned drawbacks, the present designer has made active research and innovation to create a locking mechanism for the spindle and the gear of the turret, so as to make the locking mechanism more practical.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a main shaft and gear locking mechanism of sword tower aims at solving prior art, and when the sword was hit in the sword tower emergence, technical problem that gear and main shaft damaged easily.

The utility model provides a main shaft and gear locking mechanism of sword tower, include: a conical ring key group, a packing ring and a screw;

the inner side of the gear is provided with a mounting hole, and the diameter of the mounting hole is larger than that of the main shaft;

the conical ring key group is sleeved on the main shaft and is arranged in the mounting hole;

the tightening ring is sleeved on the main shaft and used for pressing the conical ring key set;

the screw is used for fixing the tightening ring on the gear.

Further, the conical ring key sets are arranged in three numbers and are stacked concentrically along the length direction of the main shaft.

Furthermore, each conical ring key group comprises two conical ring keys, and the two conical ring keys are arranged in a central symmetry manner to form a whole ring.

Further, the spindle further comprises a gasket, wherein the gasket is sleeved on the spindle and arranged between the conical ring key group and the packing ring.

Further, the mounting hole is a stepped hole and comprises a first body and a second body, the second body and the first body are concentrically arranged, and the diameter of the second body is larger than that of the first body.

Further, the set of tapered ring keys is disposed within the first body.

Further, after the pressing ring presses the conical ring key group, the gasket is partially or completely positioned in the second body.

Further, an outer diameter of the washer is smaller than a diameter of the first body.

Compared with the prior art, the beneficial effects of the utility model reside in that, the utility model provides a main shaft of sword tower converts the radial friction to with the axial impact force when the collision through toper ring key group with gear locking mechanism, and releases the impact force in advance through toper ring key group to main shaft and gear have been protected, harm is reduced to minimumly, has saved cost of maintenance.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a cross-sectional view of a spindle and gear locking mechanism of a turret according to an embodiment of the present invention;

FIG. 2 is a schematic view of a spindle and gear assembly of a prior art turret;

reference numerals: 1. a set of tapered ring keys; 11. a tapered ring bond; 2. a tightening ring; 3. a screw; 4. a gear; 41. mounting holes; 411. a first body; 412. a second body; 5. a main shaft; 6. a gasket.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. In the description of the present invention, it should be noted that the orientations and positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations and positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1, it can be seen that, an embodiment of the present invention provides a spindle and gear locking mechanism for a turret, including: the gear fixing device comprises a conical ring key set 1, a pressing ring 2 and a screw 3, wherein a mounting hole 41 is formed in the inner side of the gear 4, the diameter of the mounting hole 41 is larger than that of the spindle 5, the conical ring key set 1 is sleeved on the spindle 5 and arranged in the mounting hole 41, the pressing ring 2 is sleeved on the spindle 5 and used for pressing the conical ring key set 1, and the screw 3 is used for fixing the pressing ring 2 on the gear 4. Compared with the prior art, firstly, the axial impact force during collision is converted into radial friction force through the conical ring key set 1, and the impact force is released in advance through the conical ring key set 1, so that the spindle 5 and the gear 4 are protected, the harm is reduced to the minimum, and the maintenance cost is saved. Secondly, gear 4 and main shaft 5 need not the conical surface cooperation, be convenient for machine-shaping.

In this embodiment, three conical ring key sets 1 are provided, and are stacked concentrically along the length direction of the main shaft 5. Each conical ring key group 1 comprises two conical ring keys 11, and the two conical ring keys 11 are arranged in a central symmetry manner to form a whole ring.

In this embodiment, the spindle further includes a gasket 6, the gasket 6 is sleeved on the spindle 5 and disposed between the taper ring key set 1 and the packing ring 2 to press the gasket 6, and an outer diameter of the gasket 6 is smaller than a diameter of the first body 411.

In this embodiment, the mounting hole 41 is a stepped hole, and includes a first body 411 and a second body 412, the second body 412 and the first body 411 are concentrically disposed, and the diameter of the second body 412 is larger than the diameter of the first body 411, the tapered ring key set 1 is disposed in the first body 411, and after the tapered ring key set 1 is compressed by the clamp ring 2, the gasket 6 is partially or completely disposed in the second body 412.

The main shaft and the gear locking mechanism of the tool turret that this embodiment provided can also greatly improve stability, compel tight ring 2's oppression effect, can also make main shaft 5 and gear 4 connect more fastening, have guaranteed rotatory synchronism.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (8)

1. A spindle and gear locking mechanism of a turret, comprising: a conical ring key group (1), a fastening ring (2) and a screw (3);

a mounting hole (41) is formed in the inner side of the gear (4), and the diameter of the mounting hole (41) is larger than that of the main shaft (5);

the conical ring key group (1) is sleeved on the main shaft (5) and is arranged in the mounting hole (41);

the tightening ring (2) is sleeved on the main shaft (5) and used for pressing the conical ring key group (1);

the screw (3) is used for fixing the tightening ring (2) on the gear (4).

2. Spindle and gear locking mechanism according to claim 1, characterised in that the conical ring key set (1) is provided in three, concentrically stacked along the length of the spindle (5).

3. Spindle and gear locking mechanism according to claim 2, characterized in that each conical ring key set (1) comprises two conical ring keys (11), the two conical ring keys (11) being arranged centrally symmetrically forming a complete ring.

4. The spindle and gear locking mechanism according to claim 1, further comprising a washer (6), wherein the washer (6) is sleeved on the spindle (5) and is disposed between the tapered ring key set (1) and the packing ring (2).

5. Spindle and gear locking mechanism according to claim 4, characterised in that the mounting hole (41) is a stepped hole comprising a first body (411), a second body (412), the second body (412) and the first body (411) being arranged concentrically, and the diameter of the second body (412) being larger than the diameter of the first body (411).

6. Spindle and gear locking mechanism according to claim 5, characterised in that the conical ring key set (1) is arranged in the first body (411).

7. Spindle and gear locking mechanism according to claim 6, characterised in that the washer (6) is partly or fully inside the second body (412) after the packing ring (2) has compressed the conical ring key set (1).

8. Spindle and gear locking mechanism according to claim 7, characterised in that the washer (6) has an outer diameter smaller than the diameter of the first body (411).

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