CN218396930U

CN218396930U - Four-axis CNC revolving stage

Info

Publication number: CN218396930U
Application number: CN202223053812.1U
Authority: CN
Inventors: 刘红卫; 黄东妹
Original assignee: Shenzhen Huachuang Intelligent Equipment Co ltd
Current assignee: Shenzhen Huachuang Intelligent Equipment Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-01-31
Anticipated expiration: 2032-11-16

Abstract

The utility model relates to a CNC processing technology field especially relates to a four-axis CNC revolving stage, include the fixing base, set up the speed reducer on the fixing base, speed reducer one side is provided with servo motor, servo motor passes through flange drive and connects the speed reducer, the speed reducer opposite side is connected with the graduated disk through the gear shaft drive, the speed reducer still includes leak-stopping seal assembly, backflow assembly, leak-stopping seal assembly includes oil blanket, mounting, closing plate, the closing plate passes through the mounting setting the gear shaft outside, gear shaft pass through vacuole formation between oil blanket and the sealed board. The utility model discloses realize effectively sealed between revolving stage servo motor and the speed reducer, avoid the revolving stage speed reducer because take place the condition that oil leakage leads to the speed reducer to break down, extension revolving stage life guarantees the stability and the accuracy nature of transmission power, effectively promotes machine tool machining efficiency.

Description

Four-axis CNC revolving stage

The technical field is as follows:

the utility model relates to a CNC processing technology field especially relates to a four-axis CNC revolving stage.

Background art:

the existing four-axis numerical control machine tool power generally cooperates with a speed reducer to work when a servo motor is used as a power source, although a sealing ring is arranged at the connecting end of a rotating shaft of the existing speed reducer, the speed reducer is large in impact load, the sealing ring is easy to wear, the sealing ring is complex to replace and needs to be closed, the working efficiency is influenced, meanwhile, oil leakage can be caused due to the fact that the sealing ring is worn, the oil quantity in an oil tank for supplying oil is insufficient, air and residual slag in the oil tank can be pumped into the oil pump at the moment, the oil pump is easy to damage, the speed reducer is damaged due to insufficient oil supply or blocking of an oil supply pipe, the service life of a rotary table is short, and when the oil pump is damaged, the stability and the accuracy of power transmission cannot be guaranteed, and the high-precision safe production requirement of the numerical control machine tool is not met.

The utility model has the following contents:

the utility model aims at providing a four-axis CNC revolving stage can realize effectively sealing between revolving stage servo motor and the speed reducer, avoids the revolving stage speed reducer to lead to the speed reducer to break down because take place the oil leak the condition, and extension revolving stage life guarantees the stability and the accuracy nature of transmission power, effectively promotes machine tool machining efficiency.

In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides a four-axis CNC revolving stage, includes the fixing base, sets up the speed reducer on the fixing base, speed reducer one side is provided with servo motor, servo motor passes through flange drive and connects the speed reducer, the speed reducer opposite side is connected with the graduated disk through the gear shaft drive, the speed reducer is still including setting up leak-stopping seal assembly, the backward flow subassembly on speed reducer output end cover, leak-stopping seal assembly includes oil blanket, mounting, closing plate, the closing plate passes through the mounting setting and is in the gear shaft outside, the gear shaft passes through vacuole formation between oil blanket and the closing plate, the backward flow subassembly is including back flow, pressure device, the pressure relieving pipe, back flow intercommunication cavity and the speed reducer that are used for the backward flow speed reducer to ooze the grease, and pressure device is linked together with the pressure relieving pipe, and pressure device makes the grease backward flow in the cavity through the cavity to the cavity pressure boost.

The further improvement of the scheme is that a brake disc is further arranged on one side, close to the speed reducer, of the dividing disc, and the brake disc is provided with a plurality of radiating grooves used for radiating.

The further improvement of the scheme is that a motor protective cover is arranged outside the servo motor, a corrugated pipe joint is arranged on one side of the motor protective cover, and the servo motor is electrically connected with an external power supply.

The further improvement of the scheme is that the speed reducer and the connecting ends of the cavity and the return pipe are sealed through rubber sealing rings.

The further improvement of the scheme is that a filter screen is arranged at the joint of the return pipe and the cavity.

In a further improvement of the above scheme, a check ring for limiting the oil seal to move towards the interior of the speed reducer is further arranged in the cavity.

The further improvement of the proposal is that the top of the speed reducer is also provided with a lifting ring

The further improvement to the above scheme is that a silica gel sealing ring is further arranged between the stopping block and the shell.

The utility model discloses beneficial effect lies in: the utility model provides a pair of four-axis CNC revolving stage, include the fixing base, set up the speed reducer on the fixing base, speed reducer one side is provided with servo motor, servo motor passes through flange drive and connects the speed reducer, the speed reducer opposite side is connected with the graduated disk through the gear shaft drive, the speed reducer still includes leak-stopping seal assembly, backward flow subassembly, leak-stopping seal assembly includes oil blanket, mounting, closing plate, the closing plate sets up through the mounting the gear shaft outside, the gear shaft passes through the formation cavity between oil blanket and the closing plate, backward flow subassembly includes back flow, pressure device, the pressure relieving pipe, back flow intercommunication cavity and the speed reducer that are used for the speed reducer of backward flow to ooze the grease, pressure device and pressure relieving pipe are linked together, and pressure boosting device makes the grease in the cavity backward flow through the pressure boost to the cavity;

the utility model discloses a set up leak-stopping seal assembly and backward flow subassembly on the lathe speed reducer, leak-stopping seal assembly adopts the mode that oil blanket and closing plate combined together to seal, through installing the oil blanket between closing plate and speed reducer pivot, make the closing plate, vacuole formation between oil blanket and the speed reducer pivot, the grease that the speed reducer oozes out can flow in this cavity, and be equipped with the back flow between cavity and speed reducer, the back flow can flow back the grease that the speed reducer oozes out to the speed reducer in from the cavity again, make the grease that oozes out can be by cyclic utilization, avoid the revolving stage speed reducer to lead to the condition that the speed reducer broke down because of taking place to leak oil, extension revolving stage life, guarantee transmission power's stability and accuracy, effectively promote lathe machining efficiency.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a sectional view of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic view of the end cap structure of the present invention.

Description of reference numerals: the device comprises a fixed seat 1, a speed reducer 2, a leakage-stopping sealing assembly 21, an oil seal 211, a fixing piece 212, a sealing plate 213, a retainer ring 214, a cavity 215, a backflow assembly 22, a backflow pipe 221, a pressurizing device 222, a pressure-relieving pipe 223, a flange 23, a gear shaft 24, an end cover 25, a servo motor 3, a motor protective cover 31, a corrugated pipe connector 32, an index plate 4, a brake disc 41 and a hanging ring 5.

The specific implementation mode is as follows:

the utility model is further explained with reference to the drawings, as shown in fig. 1-4, the utility model provides a four-axis CNC rotary table, including fixing base 1, speed reducer 2 that sets up on fixing base 1 is provided with servo motor 3 on one side of speed reducer 2, servo motor 3 passes through flange 23 drive connection speed reducer 2, speed reducer 2 opposite side is through gear shaft 24 drive connection graduated disk 4, speed reducer 2 still includes leak-stopping seal assembly 21, backflow assembly 22 that sets up on speed reducer 2 output end cover 25, leak-stopping seal assembly 21 includes oil blanket 211, mounting 212, closing plate 213 sets up outside gear shaft 24 through mounting 212, gear shaft 24 passes through oil blanket 211 and forms cavity 215 between the closing plate, backflow assembly 22 includes backflow 221, pressure device 222, pressure-reducing pipe 223, backflow 221 communicates cavity 215 and speed reducer 2, pressure device 222 is linked together with pressure-reducing pipe 223, pressure-increasing device makes the grease in cavity 215 flow back through the pressure to cavity 215 pressurization; the speed reducer 2 and the connecting ends of the cavity 215 and the return pipe 221 of the utility model are sealed by rubber sealing rings, so that the sealing effect is better; the utility model discloses leak-stopping seal assembly 21 adopts the mode that oil blanket 211 and closing plate 213 combined together to seal, through installing oil blanket 211 between closing plate 213 and 2 pivots of speed reducer, make closing plate 213, vacuole formation between oil blanket 211 and the 2 pivots of speed reducer, the grease of 2 ookings of speed reducer can flow in cavity 215, and be equipped with back flow 221 between cavity 215 and speed reducer 2, back flow 221 can flow back the grease of 2 ookings of speed reducer to speed reducer 2 again in cavity 215, make the grease of ookings can be by cyclic utilization, avoid revolving stage speed reducer 2 because take place the oil leak and lead to the condition that speed reducer 2 broke down, extension revolving stage life, guarantee transmission power's stability and accuracy nature, effectively promote machine tool machining efficiency.

The utility model discloses one side that graduated disk 4 is close to speed reducer 2 still is provided with brake disc 41, and brake disc 41 has a plurality of radiating heat dissipation recesses that are used for, and a large amount of heats that produce when stopping can give off through heat dissipation recess, avoids influencing braking effect because of the heat is too high.

The utility model discloses 3 outsides of servo motor are provided with motor protection casing 31, and motor protection casing 31 one side is provided with bellows interface 32, and servo motor 3 and external power source electric connection can detect revolving stage working condition, are convenient for regularly maintain.

The utility model discloses back flow 221 is equipped with the filter screen with the junction of cavity 215, prevents that the grease magazine that oozes in the speed reducer 2 from flowing into the speed reducer again in, effectively maintains speed reducer 2 stably.

The utility model discloses still be provided with in the cavity 215 and be used for restricting the retaining ring 214 of oil blanket 211 to the inside removal of speed reducer 2, prevent that the oil blanket from losing sealed effect because of too big to the inside removal of speed reducer of pressure, sealed effect is better.

The utility model discloses 2 tops of speed reducer still are provided with rings 5, make things convenient for the mobile device.

Of course, the above description is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims

1. A four-axis CNC turntable comprises a fixed seat (1) and a speed reducer (2) arranged on the fixed seat (1), it is characterized in that one side of the speed reducer (2) is provided with a servo motor (3), the servo motor (3) is in driving connection with the speed reducer (2) through a flange (23), the other side of the speed reducer (2) is connected with an index plate (4) through a gear shaft (24) in a driving way, the speed reducer (2) also comprises a leakage-stopping sealing component (21) and a backflow component (22) which are arranged on an output end cover (25) of the speed reducer (2), the leakage-stopping sealing component (21) comprises an oil seal (211), a fixing piece (212) and a sealing plate (213), the sealing plate (213) is arranged on the outer side of the gear shaft (24) through a fixing piece (212), the gear shaft (24) forms a cavity (215) through an oil seal (211) and the sealing plate, the backflow assembly (22) comprises a backflow pipe (221), a pressurizing device (222), a pressure-relieving pipe (223), a backflow pipe (221) and a cavity (215) which are used for backflow of the grease seeped out of the speed reducer (2), the backflow pipe (221) is communicated with the speed reducer (2), the pressurizing device (222) is communicated with the pressure-relieving pipe (223), and the pressurizing device enables the grease in the cavity (215) to flow back through pressurization of the cavity (215).

2. Four-axis CNC turret according to claim 1, characterized in that a brake disc (41) is further arranged on the side of the dividing disc (4) close to the reducer (2), and the brake disc (41) has a plurality of heat dissipation grooves for dissipating heat.

3. Four-axis CNC turret according to claim 1, characterized in that a motor shield (31) is provided outside said servo motor (3), a bellows joint (32) is provided on one side of said motor shield (31), and said servo motor (3) is electrically connected to an external power source.

4. Four-axis CNC turntable according to claim 1, characterized in that the reducer (2) and the connecting ends of the cavity (215) and the return pipe (221) are sealed by rubber sealing rings.

5. Four-axis CNC turret according to claim 4, characterised in that the connection of the return pipe (221) to the cavity (215) is provided with a filter screen (216).

6. Four-axis CNC turret according to claim 4, characterized in that a stop ring (214) is arranged inside said cavity (215) to limit the movement of said oil seal (211) towards the inside of said reducer (2).

7. Four-axis CNC turret according to claim 1, characterized in that the reducer (2) is also provided with a lifting ring (5) on top.