CN218441196U

CN218441196U - Rotary connector

Info

Publication number: CN218441196U
Application number: CN202222134881.9U
Authority: CN
Inventors: 夏桥友; 唐伟才; 张建斌; 吕广坚
Original assignee: GUANGDONG MEITE MECHANICAL CO Ltd
Current assignee: GUANGDONG MEITE MECHANICAL CO Ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2023-02-03
Anticipated expiration: 2032-08-12

Abstract

The utility model relates to a connector technical field especially relates to a rotary joint head, including static portion and rotating part. The static part is internally provided with a plurality of first channels, the first channels are provided with first connecting ports and second connecting ports, and the first connecting ports are positioned on the surface of the static part. The rotating part is rotatably arranged in the static part; the side surface of the rotating part is provided with a plurality of annular grooves which extend along the circumferential direction of the rotating part; the plurality of second connecting ports are respectively communicated with the plurality of annular grooves, and the plurality of annular grooves are respectively communicated with the plurality of second connecting ports when the rotating part rotates; be equipped with a plurality of second passageways in the rotating part, a plurality of second passageways all have third connector and fourth connector, and a plurality of third connectors communicate a plurality of cyclic annular grooves respectively, and a plurality of fourth connectors are located on the surface of rotating part. The rotary connector can meet the connection of one or more pipelines, and can simplify the structure of equipment.

Description

Rotary connector

Technical Field

The utility model relates to a connector technical field especially relates to a swivelling joint head.

Background

Present automation equipment, in order to improve machining efficiency, generally utilize a plurality of work units of carousel cooperation to realize, the carousel periphery has a plurality of stations, is equipped with processingequipment on a plurality of stations respectively, and these processingequipment all are fixed on the station. The processing devices on the stations are respectively matched with the working units, after the working units complete one-time processing, the rotary table rotates to bring the working units to the next station, and multi-station work is achieved to improve efficiency.

These work units usually have driving pieces such as air cylinders, hydraulic cylinders, etc., and taking the air cylinders as an example, since the external air pipes are all connected to the air compressor with fixed positions, when the air pipes of the air compressor are directly connected to the air cylinders on the turntable, the turntable rotates for several times and then the air pipes are twisted until the air pipes cannot normally operate. Therefore, for the cylinder under the rotation working condition, the prior art generally supplies air through a rotary joint and the like, but the rotary joint can only be generally connected with one pipeline and cannot realize the connection of a plurality of pipelines.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a rotary joint for solving among the prior art can only connect a pipeline, can not realize the technical problem of the connection of a plurality of pipelines, provides a swivelling joint head.

In order to solve the technical problem, an aspect of the present invention provides a swivelling joint head, include:

the static part is internally provided with a plurality of first channels, each of the first channels is provided with a first connecting port and a second connecting port, and the first connecting ports are positioned on the surface of the static part; and

a rotating portion rotatably provided in the stationary portion; a plurality of annular grooves are formed in the side surface of the rotating portion, and the annular grooves extend along the circumferential direction of the rotating portion; the plurality of second connecting ports are respectively communicated with the plurality of annular grooves, and the plurality of annular grooves are respectively communicated with the plurality of second connecting ports when the rotating part rotates; the rotating part is internally provided with a plurality of second channels, the second channels are provided with a third connector and a fourth connector, the third connectors are communicated with the annular grooves respectively, and the fourth connectors are arranged on the surface of the rotating part.

Optionally, a rotating shaft hole penetrating through the stationary portion in the axial direction is formed in the stationary portion, and the rotating portion is rotatably arranged in the rotating shaft hole and coaxial with the stationary portion.

Optionally, a plurality of sealing elements are further sleeved on the side surface of the rotating portion, the sealing elements are tightly attached to the hole wall of the rotating shaft hole, the plurality of annular grooves and the plurality of sealing elements are alternately arranged in the axial direction of the rotating portion, and the sealing elements are arranged on two sides of any one of the annular grooves.

Optionally, the first channel, the annular groove, the seal and the second channel are all plural; the plurality of first connecting ports are distributed on the lower end face of the static part, the plurality of second connecting ports are arranged on the hole wall of the rotating shaft hole and are respectively and correspondingly arranged on the outer sides of the plurality of annular grooves, and the plurality of first channels respectively extend from the plurality of first connecting ports to the plurality of second connecting ports; the plurality of third connection ports are respectively provided in the plurality of annular grooves, and the plurality of second passages respectively extend from the plurality of third connection ports to the plurality of fourth connection ports.

Optionally, a plurality of the first connection ports are distributed in an annular array on the lower end surface of the stationary part.

Optionally, the rotating part includes a rotating body and a head part, the head part is disposed at the upper end of the cylindrical rotating body, the diameter of the head part is larger than that of the rotating body, and a flange part protruding outwards is disposed on the bottom side surface of the head part and fixedly connected to the rotating device; the head extends out of the rotating shaft hole, and the rotating body extends into the rotating shaft hole; the rotating shaft is characterized in that first containing grooves are formed in the hole walls of the two ends of the rotating shaft in the circumferential direction, second containing grooves which are concave are formed in the side face of the lower end of the rotating body in the circumferential direction, a first bearing is sleeved at the joint of the rotating body and the head, a second bearing is sleeved on the second containing grooves, and the first bearing and the second bearing are contained in the first containing grooves respectively.

Optionally, a plurality of said fourth connecting ports are distributed in an annular array on the lateral surface of said head.

Optionally, a third channel penetrating through the rotating portion in the axial direction is arranged in the rotating portion, joints are respectively arranged at two ends of the third channel, and at least one of the joints is a rotating joint.

Optionally, the first channel includes a first axial channel extending from the first connection port to the first radial channel in an axial direction of the stationary portion, and a first radial channel extending in a radial direction of the stationary portion to the second connection port.

Optionally, the second channel includes a second axial channel and a second radial channel, the second radial channel extends from the third connection port to the second axial channel in a radial direction of the rotating portion, and the second axial channel extends to the fourth connection port in an axial direction of the rotating portion.

Implement the embodiment of the utility model provides a, following beneficial effect has: the rotary connector is arranged on the rotating device when working, the static part is kept fixed when the rotating device rotates, and the rotating part rotates along with the rotating device; the plurality of first connecting ports on the surface of the static part are respectively connected with the plurality of external pipelines and input into the plurality of first channels, substances in the plurality of first channels are respectively output to the plurality of second connecting ports, the plurality of second connecting ports are respectively connected to the plurality of annular grooves, the plurality of annular grooves are respectively connected with the plurality of second connecting ports when the static part and the rotating part rotate relatively, substances in the plurality of annular grooves are respectively input into the second channels from the plurality of third connecting ports, and substances in the plurality of second channels are respectively output to a device on the rotating device, such as a cylinder, from the plurality of fourth connecting ports; the rotary connector can meet the connection requirement of one or more pipelines, the structure of the rotary disc type multi-station equipment can be simplified, and the equipment cost is saved.

Drawings

Fig. 1 is a schematic view illustrating an installation of a rotary connector according to the present invention;

fig. 2 is another schematic view of the installation of a rotary joint according to the present invention;

fig. 3 is a bottom view of a rotary connector according to the present invention;

FIG. 4 isbase:Sub>A cross-sectional view taken along line A-A shown in FIG. 3;

FIG. 5 is a partial enlarged view of the area B shown in FIG. 4;

fig. 6 is an exploded view of a rotary connector according to the present invention.

The reference numbers illustrate:

1. a rotating device; 11. a motor; 12. a central control rotary platform; 13. mounting holes; 2. a working unit; 3. a rotary connector; 31. a stationary portion; 311. a first channel; 3111. a first axial passage; 3112. a first radial passage; 312. a first connection port; 313. a second connection port; 314. a rotating shaft hole; 3141. a first accommodating groove; 32. a rotating part; 321. an annular groove; 322. a second channel; 3221. a second axial passage; 3222. a second radial passage; 323. a third connection port; 324. a fourth connection port; 325. a seal member; 326. a rotating body; 3261. a second accommodating groove; 327. a head; 3271. a flange portion; 328. a third channel; 329. a joint; 33. a first bearing.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Descriptions in the present application as to "first," "second," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or as implying a number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The embodiment of the utility model, referring to fig. 1 to 6, provides a swivelling joint head 3, install rotary device 1 is last. Specifically, the rotating device 1 may be a turntable, and a mounting hole 13 for mounting the rotary connector 3 is provided at a rotating shaft of the turntable. The turntable is driven in rotation by driving means, such as a motor 11 and a central rotating platform 12. The turntable is provided with an operating unit 2, and the operating unit 2 contains driving elements such as an air cylinder, a hydraulic cylinder and the like. The rotary joint 3 is used for connecting an external pipeline with a cylinder and other components in the working unit 2.

The rotary joint 3 includes a stationary portion 31 and a rotating portion 32. The stationary portion 31 is kept stationary when the rotating device 1 rotates, a plurality of first passages 311 are provided in the stationary portion 31, each of the plurality of first passages 311 has a first connection port 312 and a second connection port 313, and the plurality of first connection ports 312 are located on the surface of the stationary portion 31. The rotating portion 32 is rotatably provided in the stationary portion 31 and is fixedly connected to the rotating device 1 to rotate following the rotating device 1. A plurality of annular grooves 321 are provided in a side surface of the rotating portion 32, and the annular grooves 321 extend in the circumferential direction of the rotating portion 32. The plurality of second connection ports 313 communicate with the plurality of annular grooves 321, respectively, and the plurality of annular grooves 321 are kept in communication with the plurality of second connection ports 313, respectively, when the rotating portion 32 rotates. The rotary unit 32 has a plurality of second passages 322, each of the plurality of second passages 322 has a third connection port 323 and a fourth connection port 324, the plurality of third connection ports 323 are connected to the plurality of annular grooves 321, and the plurality of fourth connection ports 324 are provided on the surface of the rotary unit 32.

When the rotary connector 3 is in operation, the first connecting ports 312 on the surface of the stationary portion 31 are respectively connected to the external pipes and input to the first channels 311, the substances in the first channels 311 are respectively output to the second connecting ports 313, the second connecting ports 313 are respectively connected to the annular grooves 321, the annular grooves 321 are respectively connected to the second connecting ports 313 when the stationary portion 31 and the rotary portion 32 rotate relatively, the substances in the annular grooves 321 are respectively input to the second channels 322 from the third connecting ports 323, and the substances in the second channels 322 are respectively output to the device, such as an air cylinder, on the rotary device 1 from the fourth connecting ports 324. This swivelling joint head 3 can satisfy the connection of one or more pipeline, can simplify the structure of carousel formula multistation equipment, practices thrift equipment cost.

In an embodiment of the present invention, referring to fig. 4, a rotating shaft hole 314 is disposed in the stationary portion 31 in an axial direction thereof, and the rotating portion 32 is rotatably disposed in the rotating shaft hole 314 and coaxial with the stationary portion 31.

In an embodiment of the present invention, referring to fig. 4, the side surface of the rotating portion 32 is further sleeved with a plurality of sealing members 325, the sealing members 325 are tightly attached to the hole wall of the rotating shaft hole 314, the plurality of annular grooves 321 and the plurality of sealing members 325 are alternately arranged in the axial direction of the rotating portion 32, and both sides of any one of the annular grooves 321 are provided with the sealing members 325, i.e., both sides of any one of the annular grooves 321 are sealed to prevent material leakage.

In an embodiment of the present invention, referring to fig. 4, the first passage 311, the annular groove 321, the sealing member 325, and the second passage 322 are all plural. The plurality of first connection ports 312 are distributed on the lower end surface of the stationary portion 31, the plurality of second connection ports 313 are provided on the hole wall of the rotation shaft hole 314 and are respectively arranged outside the plurality of annular grooves 321, and the plurality of first channels 311 extend from the plurality of first connection ports 312 to the plurality of second connection ports 313, respectively. The third connection ports 323 are provided in the annular grooves 321, respectively, and the second passages 322 extend from the third connection ports 323 to the fourth connection ports 324, respectively.

In an embodiment of the present invention, the plurality of first connection ports 312 are distributed on the lower end surface of the stationary portion 31 in an annular array, so as to facilitate connection.

In an embodiment of the present invention, referring to fig. 4 to 6, the rotating portion 32 includes a rotating body 326 and a head portion 327, the head portion 327 is disposed at an upper end of the cylindrical rotating body 326, a diameter of the head portion 327 is larger than a diameter of the rotating body 326, a bottom side surface of the head portion 327 is provided with a flange portion 3271 protruding outward, and the flange portion 3271 is fixedly connected to the rotating device 1. The head 327 extends out of the spindle hole 314, and the rotating body 326 extends into the spindle hole 314. In addition, the rotating body 326 has a diameter smaller than the spindle hole 314 to be rotatable in the spindle hole 314. The first accommodating grooves 3141 are respectively formed in the hole walls of the two ends of the rotating shaft hole 314 in the circumferential direction, the second accommodating groove 3261 which is concave is formed in the side face of the lower end of the rotating body 326 in the circumferential direction, the first bearing 33 is sleeved at the joint of the rotating body 326 and the head portion 327, the second bearing is sleeved on the second accommodating groove 3261, the first bearing 33 and the second bearing are respectively accommodated in the two first accommodating grooves 3141, the limiting of the static portion 31 and the rotating portion 32 is achieved, and the rotating portion 32 is kept to rotate in the rotating shaft hole 314 without axial deviation.

In an embodiment of the present invention, referring to fig. 6, a plurality of the fourth connection ports 324 are distributed on the side of the head 327 in an annular array, which facilitates the connection.

In an embodiment of the present invention, referring to fig. 4, a third channel 328 is disposed in the rotating portion 32 and runs through the axial direction of the rotating portion, two ends of the third channel 328 are respectively provided with a joint 329, and at least one joint 329 is a rotating joint. The third passage 328 is a liquid passage for conveying the process oil.

In an embodiment of the present invention, referring to fig. 5, the first channel 311 includes a first axial channel 3111 and a first radial channel 3112, the first axial channel 3111 extends from the first connection port 312 to the first radial channel 3112 along the axial direction of the stationary portion 31, and the first radial channel 3112 extends to the second connection port 313 along the radial direction of the stationary portion 31. During manufacturing, the first connecting hole 312 may be drilled from the lower end surface of the stationary portion 31, the first radial passage 3112 may be further drilled along the axial direction of the stationary portion 31, and then the first radial passage 3112 and the second connecting hole may be drilled along the radial direction of the side surface of the stationary portion 31.

In an embodiment of the present invention, referring to fig. 5, the second channel 322 includes a second axial channel 3221 and a second radial channel 3222, the second radial channel 3222 extends from the third connection port 323 to the second axial channel 3221 along the radial direction of the rotating portion 32, and the second axial channel 3221 extends to the fourth connection port 324 along the axial direction of the rotating portion 32. Similarly, during the manufacturing process, the third connection port 323 may be drilled from the side surface of the rotating portion 32, the second radial passage 3222 may be further drilled along the radial direction of the rotating portion 32, the second axial passage 3221 may be drilled along the axial direction of the rotating portion 32, and the second axial passage 3221 may be connected to the fourth connection port 324 on the head portion 327.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and decorations can be made, which are also considered as the protection scope of the present invention.

Claims

1. A swivel joint, comprising:

a rotating portion rotatably provided in the stationary portion; a plurality of annular grooves are formed in the side surface of the rotating portion, and the annular grooves extend along the circumferential direction of the rotating portion; the plurality of second connecting ports are respectively communicated with the plurality of annular grooves, and the plurality of annular grooves are respectively communicated with the plurality of second connecting ports when the rotating part rotates; the rotating part is internally provided with a plurality of second channels, the second channels are provided with third connectors and fourth connectors, the third connectors are communicated with the annular grooves respectively, and the fourth connectors are arranged on the surface of the rotating part.

2. The swivel connector of claim 1, wherein the stationary portion has a shaft hole extending through the stationary portion in an axial direction thereof, and the swivel part is rotatably disposed in the shaft hole and coaxial with the stationary portion.

3. The rotary joint according to claim 2, wherein a plurality of sealing members are further sleeved on a side surface of the rotary part, the sealing members are tightly attached to a hole wall of the rotary shaft hole, the plurality of annular grooves and the plurality of sealing members are alternately arranged in an axial direction of the rotary part, and the sealing members are arranged on two sides of any one of the annular grooves.

4. The rotary joint according to claim 3, wherein there are a plurality of said first passages, said annular groove, said seal, and said second passages; the plurality of first connecting ports are distributed on the lower end surface of the stationary part, the plurality of second connecting ports are arranged on the hole wall of the rotating shaft hole and are respectively and correspondingly arranged on the outer sides of the plurality of annular grooves, and the plurality of first channels respectively extend from the plurality of first connecting ports to the plurality of second connecting ports; the plurality of third connection ports are respectively provided in the plurality of annular grooves, and the plurality of second passages respectively extend from the plurality of third connection ports to the plurality of fourth connection ports.

5. The rotary connector according to claim 4, wherein a plurality of the first connector ports are distributed in an annular array on a lower end surface of the stationary portion.

6. The rotary joint according to claim 2, wherein the rotary part comprises a rotary body and a head part, the head part is arranged at the upper end of the cylindrical rotary body and has a diameter larger than that of the rotary body, a flange part protruding outwards is arranged on the side surface of the bottom end of the head part, and the flange part is fixedly connected with the rotary device; the head extends out of the rotating shaft hole, and the rotating body extends into the rotating shaft hole; the rotating shaft is characterized in that first containing grooves are formed in the hole walls of the two ends of the rotating shaft in the circumferential direction, second containing grooves which are concave are formed in the side face of the lower end of the rotating body in the circumferential direction, a first bearing is sleeved at the joint of the rotating body and the head, a second bearing is sleeved on the second containing grooves, and the first bearing and the second bearing are contained in the first containing grooves respectively.

7. The rotary joint according to claim 6, wherein a plurality of said fourth port connections are distributed in an annular array on the side of said head.

8. A rotary joint according to any one of claims 1 to 7, wherein a third passage is provided in the rotary part in an axial direction therethrough, wherein joints are provided at both ends of the third passage, respectively, and at least one of the joints is a rotary joint.

9. The rotary joint according to any one of claims 1 to 7, wherein the first channel comprises a first axial channel and a first radial channel, the first axial channel extending from the first connection port to the first radial channel in an axial direction of the stationary portion, the first radial channel extending in a radial direction of the stationary portion to the second connection port.

10. The rotary joint according to any one of claims 1 to 7, wherein the second channel comprises a second axial channel and a second radial channel, the second radial channel extending from the third connection port to the second axial channel in a radial direction of the rotary part, the second axial channel extending in an axial direction of the rotary part to the fourth connection port.