CN111687682A

CN111687682A - Rotary table

Info

Publication number: CN111687682A
Application number: CN202010700574.5A
Authority: CN
Inventors: 张博; 吕鹤; 杨建新; 张天翼
Original assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2020-09-22

Abstract

The invention provides a rotary table, comprising: a gas-liquid circulation member having a circulation circuit for circulating a cooling medium into the support main shaft of the rotary table; the outer surface of the gas-liquid circulation component is provided with a flow breaking part so as to guide the liquid leaked to the outer surface of the gas-liquid circulation component through the flow breaking part; the water receiving part is arranged around the gas-liquid circulation part and provided with a water receiving cavity, and the water receiving cavity is positioned below the cutoff part and used for bearing liquid dripped by the cutoff part and solving the problem that the parts on the rotary table are damaged due to the fact that the cooling liquid in the rotary table in the prior art is easy to leak.

Description

Rotary table

Technical Field

The invention relates to the field of mechanical design, in particular to a rotary worktable.

Background

At present, with the increasing of the application quantity of multi-axis linkage machining centers, the application quantity of rotary tables for rotating shaft movement is gradually increased, particularly the direct drive technology is gradually mature, and the market occupation ratio of the rotary tables adopting the torque motors is continuously increased due to the advantages of simple structure, small maintenance difficulty and the like.

However, since the sealing performance of the turntable is poor, as shown in fig. 1, the cooling liquid flowing through the inside of the turntable is easily leaked, and further, important parts such as a turntable motor are damaged, thereby reducing the service life of the turntable.

Disclosure of Invention

The invention mainly aims to provide a rotary table, which aims to solve the problem that in the prior art, cooling liquid in the rotary table is easy to leak, so that parts on a rotary table are damaged.

In order to achieve the above object, the present invention provides a rotary table comprising: a gas-liquid circulation member having a circulation circuit for circulating a cooling medium into the support main shaft of the rotary table; the outer surface of the gas-liquid circulation component is provided with a flow breaking part so as to guide the liquid leaked to the outer surface of the gas-liquid circulation component through the flow breaking part; the water receiving part is arranged around the gas-liquid circulation part and provided with a water receiving cavity which is positioned below the flow cutoff part and used for bearing liquid dripped by the flow cutoff part.

Further, the flow blocking portion is a flow blocking groove provided around the gas-liquid flow member.

Further, the cutoff part is a protruding block, the protruding block protrudes relative to the outer surface of the gas-liquid circulation component, and the protruding block is arranged around the gas-liquid circulation component.

Furthermore, the rotary worktable also comprises a motor stator fixing flange; the water receiving part includes: the first water receiving box is arranged on the supporting main shaft, and the flow breaking part is opposite to the first water receiving cavity of the first water receiving box; and the second water receiving box is arranged on a fixed flange of the motor stator, the second water receiving box is arranged on the outer side of the first water receiving box, and the first water receiving cavity is communicated with the second water receiving cavity of the second water receiving box, so that liquid flows into the second water receiving cavity after flowing through the first water receiving cavity.

Furthermore, a flow guide part is arranged on the side wall of the first water receiving box and extends towards the second water receiving cavity, so that liquid in the first water receiving cavity flows into the second water receiving cavity after flowing through the flow guide part.

Furthermore, an opening is formed in the first water receiving box, the opening is arranged around the gas-liquid circulation component, and the flow guide portion is arranged on the body, which is surrounded by the first water receiving box, of the opening.

Further, the rotary table further includes: the sealing component is arranged between the first water receiving box and the second water receiving box, the first part of the sealing component is arranged on the outer surface of the first water receiving box, and the second part of the sealing component is arranged on the connecting end surface of the second water receiving box.

Furthermore, a groove is formed in the outer surface of the first water receiving box, and at least part of the second water receiving box is inserted into the groove, so that the first water receiving box is movably arranged relative to the second water receiving box.

Further, the rotary table further includes: the water return tank is communicated with the water receiving cavity so as to enable liquid in the water receiving cavity to flow into the water return tank; and at least part of the liquid level sensor is arranged in the water return tank and is used for detecting the liquid level of the liquid in the water return tank.

Further, the rotary table further includes: and a first port of the water return pipe is communicated with the water receiving cavity, and a second port of the water return pipe is communicated with the water return tank.

By applying the technical scheme of the invention, the rotary worktable comprises a gas-liquid circulation component and a water receiving component, wherein the gas-liquid circulation component is provided with a circulation loop for circulating a cooling medium into a supporting main shaft of the rotary worktable; the outer surface of the gas-liquid circulation component is provided with a flow breaking part so as to guide the liquid leaked to the outer surface of the gas-liquid circulation component through the flow breaking part; the water receiving part is arranged around the gas-liquid circulation part and is provided with a water receiving cavity which is positioned below the flow cutoff part and used for bearing liquid dripped by the flow cutoff part. When setting up like this and can making gas-liquid circulation part and support the junction of owner and take place liquid and reveal, because the liquid can flow along the surface of gas-liquid circulation part, consequently, set up the cutout portion on the surface of gas-liquid circulation part, can block liquid through the cutout portion and continue to flow along the surface of gas-liquid circulation part, through the water conservancy diversion effect of cutout portion, make the liquid stream that leaks to the water receiving intracavity to solve the easy seepage that takes place of coolant liquid in the rotary table among the prior art and lead to the part on the revolving stage to damage the problem.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 shows a schematic structural view of a prior art rotary table;

FIG. 2 shows a schematic structural view of an embodiment of a rotary table according to the present invention; and

fig. 3 shows a schematic view of the working state of the rotary table according to the present invention.

Wherein the figures include the following reference numerals:

1. a gas-liquid flow member; 2. supporting the main shaft; 10. a flow-through loop; 11. a flow breaking portion; 3. a water receiving part; 30. a water receiving cavity; 4. a motor stator fixing flange; 31. a first water receiving box; 310. a first water receiving cavity; 32. a second water receiving box; 320. a second water receiving cavity; 311. a flow guide part; 5. a sealing member; 6. returning to a water tank; 7. a liquid level sensor; 8. a water return pipe.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The present invention provides a rotary table, please refer to fig. 2 and fig. 3, including: a gas-liquid flow member 1, the gas-liquid flow member 1 having a flow circuit 10 for flowing a cooling medium into a support main shaft 2 of the rotary table; a flow blocking part 11 is arranged on the outer surface of the gas-liquid circulation component 1 so as to guide the liquid leaked to the outer surface of the gas-liquid circulation component 1 through the flow blocking part 11; the water receiving component 3 is arranged around the gas-liquid circulation component 1, the water receiving component 3 is provided with a water receiving cavity 30, and the water receiving cavity 30 is positioned below the flow cutoff part 11 and is used for bearing liquid dropped from the flow cutoff part 11.

The rotary worktable provided by the invention comprises a gas-liquid circulation component 1 and a water receiving component 3, wherein the gas-liquid circulation component 1 is provided with a circulation loop 10 for circulating a cooling medium into a supporting main shaft 2 of the rotary worktable; a flow blocking part 11 is arranged on the outer surface of the gas-liquid circulation component 1 so as to guide the liquid leaked to the outer surface of the gas-liquid circulation component 1 through the flow blocking part 11; the water receiving part 3 is arranged around the gas-liquid circulation part 1, the water receiving part 3 is provided with a water receiving cavity 30, and the water receiving cavity 30 is positioned below the flow breaking part 11 and is used for bearing liquid dropped from the flow breaking part 11. When setting up like this and can making the junction of gas-liquid circulation part 1 and support main shaft 2 take place liquid and reveal, because liquid can flow along the surface of gas-liquid circulation part 1, consequently, set up cutout portion 11 on the surface of gas-liquid circulation part 1, can stop liquid to continue to flow along the surface of gas-liquid circulation part 1 through cutout portion 11, through the water conservancy diversion effect of cutout portion 11, make the liquid that leaks flow to the water receiving intracavity, in order to solve the problem that the coolant liquid in the rotary table among the prior art easily takes place the seepage and leads to the part damage on the revolving stage.

In one embodiment of the present invention, the flow cutoff portion 11 is a flow cutoff groove provided around the gas-liquid flow member 1. Here, the flow blocking groove is recessed toward the middle of the gas-liquid flow member 1, and when the leaked liquid flows into the flow blocking groove, the flow blocking groove blocks the liquid from continuing to flow, and the liquid is guided by the groove wall of the flow blocking groove, so that the liquid drops into the water receiving chamber located below the flow blocking groove.

In another embodiment provided by the present invention, the flow cutoff portion 11 is a protrusion protruding with respect to the outer surface of the gas-liquid flow member 1, and the protrusion is provided around the gas-liquid flow member 1. It should be noted that, when the leaked liquid flows to the protruding block, the protruding block blocks the liquid from flowing further, and at the same time, the outer wall of the protruding block guides the liquid, so that the liquid drops into the water receiving cavity below the protruding block.

In specific implementation, the rotary worktable further comprises a motor stator fixing flange 4; the water receiving member 3 includes: the first water receiving box 31 is arranged on the supporting spindle 2, and the flow breaking part 11 is opposite to the first water receiving cavity 310 of the first water receiving box 31; and the second water receiving box 32 is installed on the motor stator fixing flange 4, the second water receiving box 32 is arranged at the outer side of the first water receiving box 31, and the first water receiving cavity 310 is communicated with the second water receiving cavity 320 of the second water receiving box 32, so that liquid flows into the second water receiving cavity 320 after flowing through the first water receiving cavity 310. In the actual work process of rotary worktable, because the at least part of gas-liquid circulation part 1 is located between motor stator mounting flange 4 and the support main shaft 2, support main shaft 2 and rotationally set up around self axis, motor stator mounting flange 4 is fixed to be set up, through setting up first water receiving box 31 and second water receiving box 32, can make first water receiving box 31 rotate along with supporting main shaft 2, make second water receiving box 32 rigid, can avoid the liquid in the first water receiving box 31 to splash like this, can also utilize second water receiving box 32 to collect liquid simultaneously. Preferably, the bearing end face of the first water receiving box 31 is arranged obliquely relative to the horizontal plane, so that the liquid in the first water receiving box 31 can flow into the second water receiving box 32 under the action of gravity.

In the specific implementation process, a flow guide part 311 is disposed on a side wall of the first water receiving box 31, and the flow guide part 311 extends toward the second water receiving cavity 320, so that the liquid in the first water receiving cavity 310 flows into the second water receiving cavity 320 after flowing through the flow guide part 311. Preferably, the flow guide part 311 is a flow guide plate, the flow guide plate extends towards a direction far away from the first water receiving box 31, and the flow guide plate is vertically arranged relative to the horizontal plane.

In the embodiment of the present invention, the first water receiving box 31 is provided with an opening, the opening is disposed around the gas-liquid circulation member 1, and the flow guide portion 311 is disposed on a body of the first water receiving box 31 that surrounds the opening. It should be noted that the flow guide part 311 is disposed on the body of the first water receiving box 31, specifically, the flow guide part 311 is disposed on the body of the first water receiving box 31 enclosing an opening, so that the liquid flows into the flow guide part 311 after flowing out through the opening.

Specifically, the rotary table further includes: and the sealing part 5 is arranged between the first water receiving box 31 and the second water receiving box 32, a first part of the sealing part 5 is arranged on the outer surface of the first water receiving box 31, and a second part of the sealing part 5 is arranged on the connecting end surface of the second water receiving box 32.

In order to avoid leakage at the joint of the first water receiving box 31 and the second water receiving box 32, a groove is arranged on the outer surface of the first water receiving box 31, and at least part of the second water receiving box 32 is inserted into the groove, so that the first water receiving box 31 is movably arranged relative to the second water receiving box 32. Set up like this and can increase the connection compactness between first water receiving box 31 and the second water receiving box 32 through the recess, make and be connected more stably between first water receiving box 31 and the second water receiving box 32.

The rotary table further includes: the water return tank 6 is communicated with the water receiving cavity 30, so that liquid in the water receiving cavity 30 flows into the water return tank 6; and a liquid level sensor 7, at least part of the liquid level sensor 7 being disposed in the water return tank 6 for detecting a liquid level of the liquid in the water return tank 6. Set up like this and can carry out recycle through collecting liquid to the liquid that leaks, detect the liquid level in the return water tank 6 through level sensor 7 simultaneously, when the liquid level reaches predetermined liquid level, report to the police through level sensor 7, remind the staff to handle the seepage problem.

Further, the rotary table further includes: a first port of the water return pipe 8 is communicated with the water receiving cavity 30, and a second port of the water return pipe 8 is communicated with the water return tank 6.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A rotary table, comprising:

a gas-liquid flow member (1), wherein the gas-liquid flow member (1) has a flow circuit (10) for flowing a cooling medium into a support main shaft (2) of the rotary table; a flow stopping part (11) is arranged on the outer surface of the gas-liquid circulation component (1) so as to guide the liquid leaked to the outer surface of the gas-liquid circulation component (1) through the flow stopping part (11);

a water receiving part (3), the water receiving part (3) surrounds the gas-liquid circulation part (1) and is arranged, the water receiving part (3) is provided with a water receiving cavity (30), and the water receiving cavity (30) is positioned below the cut-off part (11) and is used for bearing the liquid dropped by the cut-off part (11).

2. The rotary table according to claim 1, wherein the flow interrupting portion (11) is a flow interrupting groove provided around the gas-liquid flow member (1).

3. The rotary table according to claim 1, wherein the flow interrupting portion (11) is a protruding piece which protrudes with respect to an outer surface of the gas-liquid flow member (1), the protruding piece being provided around the gas-liquid flow member (1).

4. A rotary table according to claim 1, further comprising a motor stator mounting flange (4); the water receiving part (3) includes:

the first water receiving box (31), the first water receiving box (31) is installed on the supporting spindle (2), and the flow breaking part (11) is opposite to a first water receiving cavity (310) of the first water receiving box (31);

the second water receiving box (32) is mounted on the motor stator fixing flange (4), the second water receiving box (32) is arranged on the outer side of the first water receiving box (31), and the first water receiving cavity (310) is communicated with the second water receiving cavity (320) of the second water receiving box (32) so that liquid flows into the second water receiving cavity (320) after flowing through the first water receiving cavity (310).

5. The rotary worktable according to claim 4, wherein a flow guide part (311) is arranged on a side wall of the first water receiving box (31), and the flow guide part (311) extends towards the second water receiving cavity (320) so that the liquid in the first water receiving cavity (310) flows into the second water receiving cavity (320) after flowing through the flow guide part (311).

6. The rotary worktable according to claim 5, wherein the first water receiving box (31) is provided with an opening, the opening is arranged around the gas-liquid circulation component (1), and the flow guide part (311) is arranged on a body of the first water receiving box (31) which encloses the opening.

7. The rotary table of claim 4, further comprising:

the sealing component (5) is arranged between the first water receiving box (31) and the second water receiving box (32), a first part of the sealing component (5) is arranged on the outer surface of the first water receiving box (31), and a second part of the sealing component (5) is arranged on the connecting end surface of the second water receiving box (32).

8. A rotary table according to claim 7 wherein a recess is provided in an outer surface of the first receptacle (31) and at least part of the second receptacle (32) is inserted into the recess so that the first receptacle (31) is movably arranged relative to the second receptacle (32).

9. The rotary table of any one of claims 1 to 8, further comprising:

the water return tank (6), the water return tank (6) is communicated with the water receiving cavity (30) so as to enable the liquid in the water receiving cavity (30) to flow into the water return tank (6);

the liquid level sensor (7), at least part setting of liquid level sensor (7) is in return water tank (6) for be used for detecting the liquid level of the liquid in return water tank (6).

10. The rotary table of claim 9, further comprising:

a water return pipe (8), the first port of water return pipe (8) with connect water chamber (30) intercommunication, the second port of water return pipe (8) with return water tank (6) intercommunication.