CN214024529U - Rotary clamping and locking mechanism of rotary worktable - Google Patents

Abstract

The utility model relates to a rotatory centre gripping locking mechanism of rotatory workstation, including the turret seat, solid locking has solid fixed ring on the turret seat, be provided with ring gear in the fixed ring, be provided with reduction gears on the turret seat, reduction gears meshes the transmission with ring gear mutually and is connected, first hydraulic oil entry has been seted up to one side of turret seat, first hydraulic oil entry is linked together through passageway and first oil pocket, the revolving stage has set firmly on the ring gear, be provided with down the clamping ring on the turret seat, gu be provided with the clamping ring on the fixed ring, one side of clamping ring extends to ring gear's last down, locate the second clearance between lower clamping ring and the ring gear, go up the clamping ring and be equipped with the second oil pocket down between the clamping ring, the second oil pocket is linked together through intercommunication pipeline and second hydraulic oil entry. The utility model discloses can eliminate the clearance of floating of reserving originally, rely on the tight of the friction force implementation mechanism clamp, simple swift.

Description

Rotary clamping and locking mechanism of rotary worktable

Technical Field

The utility model relates to a rotatory centre gripping locking mechanism of rotatory workstation.

Background

The rotary worktable rotating power generally can be transmitted to a worktable rotating mechanism through an external motor through worm gear transmission or gear transmission, so that the worktable rotates, when the worktable needs to rotate to a certain angle to be machined, a reliable positioning angle is needed, the requirement cannot be met only by locking the motor and the transmission mechanism, a certain gap also exists between the mechanisms, and therefore in order to ensure the fixed reliability of the worktable, a clamping mechanism needs to be added.

The clamping mechanism of the existing rotary worktable usually adopts a piston cylinder to clamp, but needs more than one clamping mechanism to realize better clamping, and the assembly and debugging can take time. In addition, there is a type of indexing curved teeth, which is locked by the mutual engagement of curved teeth, and this type cannot be applied to a large turntable, and thus the manufacturing cost is too high.

In view of the above-mentioned drawbacks, the present designer has made active research and innovation to create a new rotary clamping and locking mechanism for a rotary table, so that the rotary table has more industrial utility value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the present invention provides a rotary clamping and locking mechanism for a rotary table.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a rotary clamping and locking mechanism of a rotary worktable comprises a turntable base, wherein a fixing ring is fixedly locked on the turntable base, a ring gear is arranged in the fixing ring, a speed reducing mechanism is arranged on the turntable base and is in meshed transmission connection with the ring gear, a first hydraulic oil inlet is formed in one side of the turntable base, the first hydraulic oil inlet is communicated with a first oil cavity through a channel, the first oil cavity is located below the ring gear, a turntable is fixedly arranged on the ring gear, a first gap is formed between the turntable and the turntable base after hydraulic oil is input into the first oil cavity from the first hydraulic oil inlet, a lower pressing ring is arranged on the turntable base, an upper pressing ring is arranged on the fixing ring, one side of the lower pressing ring extends to the upper part of the ring gear, a second gap is formed between the lower pressing ring and the ring gear, and a first sealing ring and a second sealing ring are arranged in the upper pressing ring and the lower pressing ring, go up the clamping ring and be equipped with the second oil pocket down between the clamping ring, the second oil pocket is linked together through intercommunication pipeline and second hydraulic oil entry, and when inputing hydraulic oil to the second oil intracavity from second hydraulic oil entry, clamping ring and ring gear are inconsistent down.

Preferably, in the rotary clamping and locking mechanism of the rotary table, after hydraulic oil is input from the first hydraulic oil inlet and enters the first oil chamber, a first gap is formed between the turntable and the turntable base, and the height of the first gap is 0.03 mm.

Preferably, the rotating table base is sleeved with a labyrinth ring.

Preferably, in the rotating clamping and locking mechanism of the rotating workbench, a bearing is arranged between the ring gear and the fixing ring.

Preferably, in the rotating and clamping locking mechanism of the rotating table, the height of the second gap is 0.1 mm.

Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage:

the utility model discloses will carry out the pressure boost through the oil pressure to the interior oil cavity of clamping ring when pressing from both sides, the inflation makes the lower clamp ring warp, can eliminate the clearance of floating of reserving originally, relies on the clamp of frictional force implementation mechanism tightly, the utility model discloses compact structure, the installation is also convenient with the maintenance.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

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

fig. 2 is a schematic view of part a of the present invention.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Examples

As shown in fig. 1 and 2, a rotating clamping and locking mechanism of a rotating table comprises a rotating table base 3, a fixing ring 8 is fixedly locked on the rotating table base 3, a ring gear 5 is arranged in the fixing ring 8, a speed reducing mechanism 1 is arranged on the rotating table base 3, the speed reducing mechanism 1 is in meshing transmission connection with the ring gear 5, a bearing 11 is arranged between the ring gear 5 and the fixing ring 8, a first hydraulic oil inlet 12 is arranged on one side of the rotating table base 3, the first hydraulic oil inlet 12 is communicated with a first oil cavity 13 through a channel, the first oil cavity 13 is positioned below the ring gear 5, a rotating table 2 is fixedly arranged on the ring gear 5, after hydraulic oil is input from the first hydraulic oil inlet 12 and enters the first oil cavity 13, a first gap is arranged between the rotating table 2 and the rotating table base 3, a lower pressing ring 9 is arranged on the rotating table base 3, the last clamping ring 7 that is provided with of solid fixed ring 8, one side of clamping ring 9 extends to ring gear 5 on, locate the second clearance between clamping ring 9 and the ring gear 5 down, it is equipped with first sealing washer 6 and second sealing washer 10 in clamping ring 7 and the clamping ring 9 down to go up, it is equipped with second oil pocket 14 with to push down between the clamping ring 7, second oil pocket 14 is linked together through intercommunication pipeline and second hydraulic oil entry 15, and when inputing hydraulic oil to second oil pocket 14 from second hydraulic oil entry 15 in, clamping ring 9 is inconsistent with ring gear 5 down.

The utility model discloses in after getting into first oil pocket 13 from first hydraulic oil entry 12 input hydraulic oil, be equipped with first clearance between revolving stage 2 and the revolving stage seat 3, the height in its first clearance is 0.03 millimeter. The utility model discloses in the cover is equipped with labyrinth ring 4 on the revolving stage seat 3, can prevent the effect that the dust pours into.

The utility model discloses in the height in second clearance is 0.1 millimeter.

The above-mentioned speed reducing mechanism is a device known to those skilled in the art, and will not be described in any detail herein.

The working principle of the utility model is as follows:

when the rotary table works, when the rotary table needs to rotate, an external oil pressure system is provided for the rotary table, oil floating pressure of the rotary table is provided, power is provided through an external servo motor, and power is transmitted through the corresponding speed reducing mechanism 1.

The concrete implementation is as follows, revolving stage seat 1 is equipped with a plurality of oil pressure inputs, provide the pressure that the corresponding revolving stage floats, revolving stage seat 3 lets in hydraulic oil from first hydraulic oil entry, make first oil pocket be full of hydraulic oil and continuously provide pressure, make the revolving stage float about 0.03mm, installation bearing 11 between the ring gear 5, play the function of guide during the rotation, later through outside servo motor with power transmission for reduction gears 1, reduction gears 1 drives ring gear 5 and rotates, because ring gear 5 is fixed with revolving stage 2, can drive the revolving stage rotatory.

A clamping mechanism: when the upper pressing ring 7 and the lower pressing ring 9 are fixedly locked, the upper pressing ring 7, the lower pressing ring 9 and the rotary table seat 3 are fixedly locked, the upper pressing ring 7, the lower pressing ring 9 and the annular gear 5 are fixed, a gap of about 0.1mm is reserved between the lower pressing ring 9 and the annular gear 5 in an assembling mode, sealing rings are arranged in the upper pressing ring 7 and the lower pressing ring 9 and play a role in sealing, the pressure in the second oil cavity is kept all the time, the rotary table needs to be fixed after floating, the pressure can be carried out through external oil pressure, hydraulic oil is introduced from a second hydraulic oil inlet of the upper pressing ring 7 and is filled in the second oil cavity immediately, the lower pressing ring 9 expands along with the increase of the pressure and is pressed with the annular gear 5 by means of friction resistance, and the rotary table 2 and the annular gear 5 are fixed, so that the effect of clamping a working table is achieved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (5)

1. The utility model provides a rotatory centre gripping locking mechanism of rotatory workstation which characterized in that: including revolving stage seat (3), it has solid fixed ring (8) to lock on revolving stage seat (3), be provided with ring gear (5) in fixed ring (8), be provided with reduction gears (1) on revolving stage seat (3), reduction gears (1) are connected with ring gear (5) looks meshing transmission, first hydraulic oil entry (12) have been seted up to one side of revolving stage seat (3), first hydraulic oil entry (12) are linked together through passageway and first oil pocket (13), first oil pocket (13) are located the below of ring gear (5), revolving stage (2) have set firmly on ring gear (5), after in entering first oil pocket (13) from first hydraulic oil entry (12) input hydraulic oil, be equipped with first clearance between revolving stage (2) and revolving stage seat (3), be provided with down clamping ring (9) on revolving stage seat (3), the utility model discloses a hydraulic oil press ring, including solid fixed ring (8), be provided with last clamping ring (7) on solid fixed ring (8), one side of clamping ring (9) extends to ring gear (5) on, locate the second clearance between clamping ring (9) and ring gear (5) down, upward be equipped with first sealing washer (6) and second sealing washer (10) in clamping ring (7) and lower clamping ring (9), it is equipped with second oil pocket (14) to go up between clamping ring (7) and lower clamping ring (9), second oil pocket (14) are linked together through intercommunication pipeline and second hydraulic oil entry (15), and when inputing hydraulic oil to second oil pocket (14) in from second hydraulic oil entry (15), clamping ring (9) and ring gear (5) are inconsistent down.

2. A rotary clamping and locking mechanism for a rotary table as claimed in claim 1, wherein: when hydraulic oil is input from the first hydraulic oil inlet (12) and enters the first oil cavity (13), a first gap is formed between the rotary table (2) and the rotary table seat (3), and the height of the first gap is 0.03 mm.

3. A rotary clamping and locking mechanism for a rotary table as claimed in claim 1, wherein: the rotating table seat (3) is sleeved with a labyrinth ring (4).

4. A rotary clamping and locking mechanism for a rotary table as claimed in claim 1, wherein: and a bearing (11) is arranged between the ring gear (5) and the fixed ring (8).

5. A rotary clamping and locking mechanism for a rotary table as claimed in claim 1, wherein: the height of the second gap is 0.1 mm.

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