CN216371029U - Oil distribution device for five-axis horizontal machining center turntable - Google Patents

Abstract

The utility model belongs to the technical field of turntable equipment of a five-axis horizontal machining center, in particular to an oil distribution device for a turntable of a five-axis horizontal machining center. An oil storage cavity is opened inside, hydraulic oil is arranged inside the oil storage cavity, an automatic clamping mechanism is arranged on the top of the turntable, and the automatic clamping mechanism includes a fixing frame. The oil distribution device used for the turntable of the five-axis horizontal machining center, by setting the automatic clamping mechanism, achieves that the top surface of the turntable is provided with a plurality of fixed frames arranged in equal parts, so that the workpiece is placed on the top center of the turntable when it is clamped. Multiple first telescopic rods and multiple second telescopic rods are controlled to expand and contract through the setting of the internal oil circuit and the hydraulic pressure, so that they can be pressed on the surface of the workpiece for positioning and locking, which is easy to operate and suitable for various irregular workpieces The clip enhances the installation effect and enhances the production efficiency.

Description

An oil distribution device for the turntable of a five-axis horizontal machining center

technical field

The utility model relates to the technical field of turntable equipment of a five-axis horizontal machining center, in particular to an oil distribution device used for a turntable of a five-axis horizontal machining center.

Background technique

In recent years, the precision machine tool industry has developed rapidly, and high precision and multiple degrees of freedom have become the mainstream development direction of the machine tool industry. As the current high-end machine tool, the five-axis machine tool has stricter requirements for the turntable for fixtures.

In the existing fixture operation, the clamping groove is used for screw extrusion locking and positioning, which is cumbersome to install and disassemble, and increases the difficulty of installation for irregular workpieces and reduces the production efficiency. The oil distribution device of the rotary table of the type machining center.

Utility model content

Based on the fact that the clamping groove is used for screw extrusion locking and positioning in the existing clamp operation, the installation and disassembly are cumbersome, and the installation difficulty is increased for the installation of irregular workpieces. Oil distribution device for rotary table of axis-horizontal machining center.

The utility model proposes an oil distribution device for a turntable of a five-axis horizontal machining center, comprising a rotating shaft, a turntable is fixedly connected to the top of the rotating shaft, an oil storage cavity is opened inside the turntable, and the oil storage cavity is Hydraulic oil is arranged inside the turntable, and an automatic clamping mechanism is arranged on the top of the turntable, and the automatic clamping mechanism includes a fixed frame. The bottoms of each of the fixing frames are fixedly connected with the top of the turntable, and the inner bottom wall of the fixing frame and the inner top wall of the oil storage cavity are both provided with oil inlet holes.

Preferably, the inside of the rotating shaft is provided with a flow hole, and the inner wall of the flow hole is in fixed communication with the inside of the oil storage cavity.

Preferably, the inner wall of the bottom end of the flow hole is provided with a rotating groove, the inner wall of the rotating groove is fixedly connected with a bearing, and the inner ring of the bearing is fixedly connected with an oil inlet pipe.

Preferably, the inner wall of the flow hole is provided with a sealing groove, the inner wall of the sealing groove is fixedly connected with a sealing ring, the inner wall of the flow hole is slidably inserted with the arc surface of the top end of the oil inlet pipe, and the top end of the oil inlet pipe is slidably inserted. The arc surface and the surface of the sealing ring are pressed against each other.

Preferably, a first telescopic rod is slidably inserted into the inner wall of one end of the fixed frame, one end of the first telescopic rod is fixedly connected with a first sliding plate, and the surrounding surfaces of the first sliding plate are fixedly connected with the first telescopic rod. A sealing gasket, the surface of the first sealing gasket is slidably inserted into the inner wall of the fixing frame.

Preferably, a first spring is fixedly connected to the inner wall of the fixed frame, one end of the plurality of first springs is fixedly connected to the opposite surface of the first sliding plate, and the inside of the first telescopic rod is connected to the first sliding plate. There are expansion holes on the surface.

Preferably, the inner wall of one end of the telescopic hole is slidably inserted with a second telescopic rod, one end of the second telescopic rod is fixedly connected with a second sliding plate, and the surrounding surfaces of the second sliding plate are fixedly connected with a second telescopic rod. A gasket, the surface of the second gasket is slidably inserted into the inner wall of the telescopic hole, a second spring is fixedly connected to one side surface of the second sliding plate, and one end of the plurality of second springs is connected to the telescopic hole The inner wall is slidably inserted, and the elastic force of the second spring is greater than that of the first spring.

The beneficial effects in the utility model are:

By setting the automatic clamping mechanism, the top surface of the turntable is provided with a plurality of fixed frames arranged in equal parts, so that the workpiece is placed in the center of the top of the turntable during clamping. A telescopic rod and a plurality of second telescopic rods are telescopic, so that they are pressed on the surface of the workpiece for positioning and locking, and the operation is convenient.

Description of drawings

1 is a schematic structural diagram of an oil distribution device for a five-axis horizontal machining center turntable;

2 is a cross-sectional view of a turntable structure of an oil distribution device for a five-axis horizontal machining center turntable;

Fig. 3 is an exploded view of an oil distribution device used for a five-axis horizontal machining center turntable;

Fig. 4 is an enlarged view of the structure at A in Fig. 2 of an oil distribution device used for a turntable of a five-axis horizontal machining center.

In the figure: 1. Rotary shaft; 2. Turntable; 3. Oil storage chamber; 4. Fixed frame; 5. Oil inlet hole; 6. Flow hole; 7. Rotating groove; 8. Bearing; 9. Oil inlet pipe; 10. Seal groove; 11, sealing ring; 12, first telescopic rod; 13, first sliding plate; 14, first gasket; 15, first spring; 16, telescopic hole; 17, second telescopic rod; 18, second sliding plate; 19, second gasket; 20, second spring.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

1-4, an oil distribution device for a five-axis horizontal machining center turntable includes a rotating shaft 1, a turntable 2 is fixedly connected to the top of the rotating shaft 1, and an oil storage cavity 3 is opened inside the turntable 2. A flow hole 6 is opened inside, and the inner wall of the flow hole 6 is in fixed communication with the interior of the oil storage chamber 3 , and further, the communication arrangement facilitates the inflow of hydraulic oil into the oil storage chamber 3 .

The inner wall of the bottom end of the flow hole 6 is provided with a rotating groove 7, the inner wall of the rotating groove 7 is fixedly connected with the bearing 8, and the inner ring of the bearing 8 is fixedly connected with the oil inlet pipe 9, and further, the rotating shaft 1 rotates under the static state of the oil inlet pipe 9. The inner wall of the flow hole 6 is provided with a sealing groove 10, the inner wall of the sealing groove 10 is fixedly connected with a sealing ring 11, and the inner wall of the flow hole 6 slides with the arc surface of the top end of the oil inlet pipe 9. When plugged in, the top arc surface of the oil inlet pipe 9 and the surface of the sealing ring 11 squeeze each other, and further, the sealing ring 11 seals the oil inlet pipe 9 and the rotating shaft 1 to prevent the rotation of the rotating shaft 1. The effect of leaking hydraulic oil.

The interior of the oil storage chamber 3 is provided with hydraulic oil, the top of the turntable 2 is provided with an automatic clamping mechanism, and the automatic clamping mechanism includes a fixed frame 4, and the plurality of fixed frames 4 are evenly arranged with the axis of the turntable 2 as the center of the circle. , the bottoms of the plurality of fixing frames 4 are fixedly connected with the top of the turntable 2 , and the inner bottom wall of the fixing frames 4 and the inner top wall of the oil storage chamber 3 are both provided with oil inlet holes 5 .

A first telescopic rod 12 is slidably inserted into the inner wall of one end of the fixed frame 4, one end of the first telescopic rod 12 is fixedly connected with a first sliding plate 13, and the surrounding surfaces of the first sliding plate 13 are fixedly connected with a first gasket 14, The surface of the first gasket 14 is slidably inserted into the inner wall of the fixed frame 4, further, the hydraulic oil is transported through the oil inlet pipe 9, and the oil pressure inside the oil storage chamber 3 is controlled to increase, so that the oil pressure pushes the first sliding plate 13 The movement drives the first telescopic rod 12 to expand and contract, and the first sealing pad 14 performs the effect of moving the first sliding plate 13 to seal.

A first spring 15 is fixedly connected to the inner wall of the fixed frame 4 , one end of the plurality of first springs 15 is fixedly connected to the opposite surface of the first sliding plate 13 , the interior of the first telescopic rod 12 and the surface of the first sliding plate 13 are both fixedly connected. A telescopic hole 16 is provided, and further, by setting the first spring 15, the effect of controlling the reverse movement of the first sliding plate 13 when the oil pressure drop is less than the elastic force of the first spring 15, and driving the first telescopic rod 12 to contract; the telescopic hole 16 A second telescopic rod 17 is slidably inserted into the inner wall of one end of the second telescopic rod 17, one end of the second telescopic rod 17 is fixedly connected with a second sliding plate 18, and the surrounding surface of the second sliding plate 18 is fixedly connected with a second sealing gasket 19, the second sealing The surface of the pad 19 is slidably plugged with the inner wall of the telescopic hole 16 , the second spring 20 is fixedly connected to one side surface of the second sliding plate 18 , and one end of the plurality of second springs 20 is slidably plugged with the inner wall of the telescopic hole 16 , The elastic force of the second spring 20 is greater than that of the first spring 15, and further, the second spring 20 is greater than the first spring 15, so that the oil pressure inside the oil storage chamber 3 preferentially squeezes the first telescopic rod 12 for the telescopic operation. The effect of driving the telescopic operation of the second telescopic rod 17 is carried out, and the effect of sealing the second sliding plate 18 during the movement of the second sliding plate 18 is carried out by the second gasket 19 .

By setting the automatic clamping mechanism, the top surface of the turntable 2 is provided with a plurality of fixed frames 4 arranged in equal parts, so that the workpiece is placed on the top center of the turntable 2 during clamping, and is controlled by the setting of the internal oil circuit and the hydraulic pressure. A plurality of first telescopic rods 12 and a plurality of second telescopic rods 17 are stretched and stretched, so that they are pressed against the surface of the workpiece for positioning and locking, which is convenient to operate, and is suitable for clamping various irregular workpieces, which enhances the installation effect and strengthens the production efficiency.

Working principle: When the workpiece is clamped, it is placed on the top of the turntable 2, and the hydraulic oil is controlled by one-button operation to enter the inside of the oil inlet pipe 9 and fill the inside of the oil storage chamber 3. When the internal oil pressure is greater than the first spring When the elastic force of 15, pushes the first sliding plate 13 to move, thereby driving the first telescopic rod 12 to expand and contract, when the surfaces of the plurality of first telescopic rods 12 are all inwardly stretched and squeezed on the surface of the workpiece, the workpiece installation and locking is completed;

When the surface of the workpiece is irregular, some of the first telescopic rods 12 are pressed against the surface of the workpiece, and some cannot be pressed against the surface of the workpiece, so that the oil pressure continues to be filled, and the internal oil pressure of the oil storage chamber 3 is controlled to increase, so that the oil The pressure is greater than the elastic force of the second spring 20, and the second telescopic rod 17 that is not pressed against the surface of the workpiece is continuously controlled to expand and contract to contact the surface of the workpiece, so that it is pressed and fixed.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (7)

1. An oil distribution device for a rotary table of a five-axis horizontal machining center, comprising a rotary shaft (1), characterized in that a rotary table (2) is fixedly connected to the top of the rotary shaft (1), and the rotary table (2) An oil storage cavity (3) is opened inside the oil storage cavity (3), hydraulic oil is arranged inside the oil storage cavity (3), and an automatic clamping mechanism is arranged on the top of the turntable (2), and the automatic clamping mechanism includes a fixed Frame (4), a plurality of the fixing frames (4) are evenly arranged in equal parts with the axis of the turntable (2) as the center of the circle, and the bottoms of the plurality of fixing frames (4) are fixed with the top of the turntable (2) The inner bottom wall of the fixing frame (4) and the inner top wall of the oil storage chamber (3) are both provided with oil inlet holes (5). 2. An oil distribution device for a five-axis horizontal machining center turntable according to claim 1, characterized in that: a flow hole (6) is opened inside the rotating shaft (1), and the flow hole ( The inner wall of 6) is in fixed communication with the interior of the oil storage chamber (3). 3 . The oil distribution device for the turntable of a five-axis horizontal machining center according to claim 2 , wherein a rotating groove ( 7 ) is formed on the inner wall of the bottom end of the flow hole ( 6 ). 4 . A bearing (8) is fixedly connected to the inner wall of the rotating groove (7), and an oil inlet pipe (9) is fixedly connected to the inner ring of the bearing (8). 4. An oil distribution device for a five-axis horizontal machining center turntable according to claim 3, characterized in that: a sealing groove (10) is formed on the inner wall of the flow hole (6), and the sealing groove The inner wall of (10) is fixedly connected with a sealing ring (11), the inner wall of the flow hole (6) is slidably plugged with the top arc surface of the oil inlet pipe (9), and the top arc surface of the oil inlet pipe (9) is slidably inserted. Press against the surface of the sealing ring (11). 5. An oil distribution device for a five-axis horizontal machining center turntable according to claim 1, characterized in that: a first telescopic rod (12) is slidably inserted into the inner wall of one end of the fixed frame (4) A first sliding plate (13) is fixedly connected to one end of the first telescopic rod (12), and a first gasket (14) is fixedly connected to the surrounding surfaces of the first sliding plate (13). The surface of a sealing gasket (14) is slidably inserted into the inner wall of the fixing frame (4). 6. An oil distribution device for a five-axis horizontal machining center turntable according to claim 5, characterized in that: the inner wall of the fixing frame (4) is fixedly connected with a first spring (15), a plurality of One end of the first spring (15) is fixedly connected to the opposite surface of the first sliding plate (13), and the interior of the first telescopic rod (12) and the surface of the first sliding plate (13) are provided with telescopic openings. hole (16). 7. The oil distribution device for the turntable of a five-axis horizontal machining center according to claim 6, wherein a second telescopic rod (17) is slidably inserted into the inner wall of one end of the telescopic hole (16) , a second sliding plate (18) is fixedly connected to one end of the second telescopic rod (17), and a second gasket (19) is fixedly connected to the surrounding surfaces of the second sliding plate (18). The surfaces of the second gaskets (19) are slidably inserted into the inner wall of the telescopic hole (16), and a second spring (20) is fixedly connected to one side surface of the second sliding plate (18). A plurality of the second springs One end of the (20) is slidably inserted into the inner wall of the telescopic hole (16), and the elastic force of the second spring (20) is greater than that of the first spring (15).

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