CN219945205U

CN219945205U - Upper nozzle device

Info

Publication number: CN219945205U
Application number: CN202320801047.2U
Authority: CN
Inventors: 林世庆
Original assignee: Zhongshan Youmeng Automation Equipment Co ltd
Current assignee: Zhongshan Youmeng Automation Equipment Co ltd
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-11-03
Anticipated expiration: 2033-04-11

Abstract

The utility model discloses a nozzle feeding device which comprises a frame, a feeding mechanism and a moving mechanism, wherein the frame is provided with a bearing platform for placing a valve body and a feeding channel for moving a nozzle piece through, the feeding mechanism is arranged on the frame and is used for conveying the nozzle piece to the feeding channel and receiving and separating a single nozzle piece which is moved out of the feeding channel, the moving mechanism is arranged on the frame and is used for moving the nozzle piece which is separated by the feeding mechanism, and the moving mechanism is used for overturning the moved nozzle piece by a preset angle and moving the nozzle piece to a pipe part of the valve body which is positioned on the bearing platform. Through the structure, on one hand, the feeding mechanism and the moving mechanism arranged on the frame are matched to finish the assembly work of the valve body and the nozzle piece, and on the other hand, a worker can correspondingly adjust the preset angle according to the inclination angle of the pipe part of the valve body so that the upper nozzle device can install the nozzle piece on different valve bodies.

Description

Upper nozzle device

Technical Field

The utility model relates to the technical field of group valves, in particular to an upper nozzle device.

Background

In the prior art, referring to fig. 4, some valve bodies 400 are provided with a pipe portion 410 which is inclined, and an upper nozzle device is capable of transporting the nozzle member 500 and screwing the nozzle member 500 to the pipe portion 410, wherein the pipe portions 410 of different valve bodies 400 are inclined at different angles (15 °, 20 °, 25 ° or the like, respectively), whereas the conventional upper nozzle device has a problem that the nozzle member 500 can be mounted to the pipe portion 410 of a single inclined angle only, that is, the nozzle member 500 can be mounted to a single valve body only.

Disclosure of Invention

The present utility model is directed to solving at least one of the problems of the prior art, and therefore, the present utility model provides an upper nozzle device capable of mounting a nozzle member to different valve bodies.

According to the embodiment of the utility model, the upper nozzle device is used for connecting a nozzle piece to the pipe part of the valve body in a threaded manner, the pipe part is obliquely arranged, the upper nozzle device comprises a rack, a feeding mechanism and a moving mechanism, the rack is provided with a bearing table for placing the valve body and a feeding channel for moving the nozzle piece through, the feeding mechanism is arranged on the rack, the feeding mechanism is used for conveying the nozzle piece to the feeding channel and is used for receiving and separating a single nozzle piece moved out of the feeding channel, the moving mechanism is arranged on the rack, and the moving mechanism is used for moving the nozzle piece separated by the feeding mechanism, overturning the moved nozzle piece by a preset angle and moving the nozzle piece to the pipe part of the valve body on the bearing table.

According to the embodiment of the utility model, the upper nozzle device has at least the following beneficial effects: through the structure, on one hand, the feeding mechanism and the moving mechanism arranged on the frame are matched to finish the assembly work of the valve body and the nozzle piece, and on the other hand, a worker can correspondingly adjust the preset angle according to the inclination angle of the pipe part of the valve body so that the upper nozzle device can install the nozzle piece on different valve bodies.

According to some embodiments of the utility model, the feeding mechanism comprises a feeding device and a distributing assembly, wherein the feeding device is arranged on the frame and used for conveying the nozzle pieces to the feeding channel, the distributing assembly is arranged on the frame and used for receiving and separating the single nozzle pieces removed from the feeding channel.

According to some embodiments of the utility model, the material distributing assembly comprises a sliding block piece, a material limiting piece and a first driving piece, wherein the sliding block piece is slidably connected to the frame, the sliding block piece is provided with a material taking notch, the material limiting piece is arranged on the frame, the first driving piece is arranged on the frame, an output end of the first driving piece is connected with the sliding block piece, the first driving piece can drive the sliding block piece to slide to a first position or a second position, when the sliding block piece is located at the first position, the material taking notch is used for receiving a single nozzle piece removed from the feeding channel, when the sliding block piece is located at the second position, the sliding block piece seals an outlet of the feeding channel, and the material limiting piece seals the material taking notch to separate the single nozzle piece received by the material taking notch.

According to some embodiments of the utility model, the moving mechanism includes a moving component, a turning component and a taking component, the moving component is disposed on the frame, the turning component is disposed on the moving component, the turning component can drive the taking component to rotate to a first state, and can drive the taking component in the first state to rotate by the preset angle to a second state, the moving component can drive the taking component in the first state to move to a third position, and can drive the taking component in the second state to move to a fourth position, wherein the taking component is used for moving the nozzle piece separated by the feeding mechanism when the taking component in the first state is located in the third position, and the taking component is used for inserting the moved nozzle piece into the pipe portion when the taking component in the second state is located in the fourth position, and is used for connecting the pipe portion with the pipe portion by rotating the nozzle piece.

According to some embodiments of the utility model, the turnover assembly comprises a turnover frame and a second driving member, the turnover frame is rotatably connected to the moving assembly, the picking assembly is arranged on the turnover frame, the second driving member is rotatably connected to the turnover frame, an output end of the second driving member is rotatably connected with the moving assembly, and the second driving member can drive the turnover frame to rotate so as to drive the picking assembly to rotate to the first state and drive the picking assembly in the first state to rotate by the preset angle to the second state.

According to some embodiments of the utility model, the moving assembly is provided with two positioning blocks, the positioning blocks can be abutted with the roll-over stand, wherein when the roll-over stand is abutted with one of the positioning blocks, the taking assembly is in the first state, and when the roll-over stand is abutted with the other positioning block, the taking assembly is in the second state.

According to some embodiments of the utility model, the moving assembly includes a moving frame and a third driving member, the moving frame is slidably connected to the frame, the overturning assembly is disposed on the moving frame, the third driving member is disposed on the frame, an output end of the third driving member is connected to the moving frame, and the third driving member can drive the moving frame to move, so as to drive the picking assembly in the first state to move to the third position, and drive the picking assembly in the second state to move to the fourth position.

According to some embodiments of the utility model, the picking and loading assembly includes a fourth driving member, a fifth driving member and a clamping member, where the fourth driving member is disposed on the turning assembly, the fifth driving member is disposed on an output end of the fourth driving member, and the clamping member is disposed on an output end of the fifth driving member, where the fourth driving member can drive the clamping member to move when the picking and loading assembly in the first state is located at the third position, so that the clamping member clamps the nozzle member separated by the feeding mechanism, and when the picking and loading assembly in the second state is located at the fourth position, the fourth driving member can drive the clamping member to move, so as to insert the nozzle member clamped by the clamping member into the pipe portion, and the fifth driving member can drive the clamping member to rotate, so as to drive the nozzle member inserted into the pipe portion to rotate and be connected with the pipe portion in a threaded manner.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a block diagram of one embodiment of an upper nozzle assembly of the present utility model;

FIG. 2 is a block diagram of the invert assembly, take-up assembly, and mobile frame shown in FIG. 1;

FIG. 3 is a block diagram of the dispensing assembly shown in FIG. 1;

fig. 4 is a structural view of a valve body to which a nozzle member is screw-coupled according to the present utility model.

Reference numerals:

a frame 100, a bearing table 110, a feeding channel 120, a bearing plate 130 and a vibrator 140;

the feeding mechanism 200, the feeding device 210, the distributing assembly 220, the sliding block piece 221, the material taking notch 221A, the material limiting piece 222 and the first driving piece 223;

the moving mechanism 300, the moving assembly 310, the moving frame 311, the positioning block 311A, the first pivot piece 311B, the third driving piece 312, the turning assembly 320, the turning frame 321, the second driving piece 322, the taking assembly 330, the fourth driving piece 331, the fifth driving piece 332, and the clamp piece 333;

a valve body 400 and a pipe portion 410;

a nozzle member 500.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, if any, the first, second, third, fourth, fifth, etc. are described for the purpose of distinguishing between technical features only, and should not be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless clearly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be connected directly or indirectly through an intermediary; the connecting device can be fixedly connected, detachably connected and integrally formed; may be a mechanical connection; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.

Referring to fig. 1 to 4, an upper nozzle device according to an embodiment of the present utility model is used for screwing a nozzle member 500 to a pipe portion 410 of a valve body 400, the pipe portion 410 is disposed obliquely, and the upper nozzle device includes a frame 100, a feeding mechanism 200 and a moving mechanism 300.

The frame 100 is provided with a carrying table 110 for placing the valve body 400 and a feeding channel 120 for moving the nozzle member 500 therethrough, the feeding mechanism 200 is provided on the frame 100, the feeding mechanism 200 is used for conveying the nozzle member 500 to the feeding channel 120 and for receiving and separating the single nozzle member 500 moved out of the feeding channel 120, the moving mechanism 300 is provided on the frame 100, the moving mechanism 300 is used for moving the nozzle member 500 separated by the feeding mechanism 200 and for turning the moved nozzle member 500 by a predetermined angle and moving it to the pipe portion 410 of the valve body 400 positioned on the carrying table 110. Wherein the preset angle can be adjusted so that the removed nozzle member 500 can be adaptively moved to the pipe portion 410 of the corresponding valve body 400 located on the landing stage 110.

It will be appreciated that the tube portion 410 is disposed obliquely, i.e., the tube portion 410 is disposed obliquely to the up-down direction.

It will be appreciated that the operator may set the value of the preset angle according to the inclination angle of the pipe portion 410 of the valve body 400, so that the upper nozzle device can fit the nozzle member 500 to the corresponding valve body 400.

It should be noted that the pipe portion 410 of the valve body 400 disposed on the placement stage 110 is disposed toward the transfer mechanism 300, so that the transfer mechanism 300 can mount the removed nozzle member 500 on the pipe portion 410, as shown in fig. 1.

It should be noted that the frame 100 is provided with two opposite support plates 130, the above-mentioned feeding channel 120 is formed between the two support plates 130, and the two support plates 130 are used for supporting the nozzle member 500, so that the nozzle member 500 is placed in the feeding channel 120, as shown in fig. 3.

Through the above structure, on the one hand, the feeding mechanism 200 and the moving mechanism 300 arranged on the frame 100 cooperate to complete the assembly of the valve body 400 and the nozzle member 500, and on the other hand, the worker can correspondingly adjust the preset angle according to the inclination angle of the pipe portion 410 of the valve body 400, so that the upper nozzle device can mount the nozzle member 500 on different valve bodies.

The loading mechanism 200 includes a feed device 210 and a dispensing assembly 220.

Referring to fig. 1 and 3, a feeding apparatus 210 is provided to the frame 100, the feeding apparatus 210 is configured to feed the nozzle member 500 to the feed channel 120, a distribution assembly 220 is provided to the frame 100, and the distribution assembly 220 is configured to receive and separate the individual nozzle members 500 removed from the feed channel 120. Wherein the feeding device 210 is provided as a vibrating disc.

It will be appreciated that when the feeder apparatus 210 delivers the nozzle member 500 to the feed channel 120, the latter nozzle member 500 delivered to the feed channel 120 pushes the former nozzle member 500 delivered to the feed channel 120 to move the nozzle member 500 through the feed channel 120.

With the above structure, the arrangement of the material distributing assembly 220 can reduce the influence of the nozzle member 500 on the feeding channel 120 on the moving and taking work of the moving and loading mechanism 300, so as to further ensure that the moving and loading mechanism 300 moves and takes the single nozzle member 500.

In this embodiment, in order to better move the nozzle member 500 of the feed path 120 therethrough, referring to fig. 3, the frame 100 is provided with a vibrator 140, and both of the support plates 130 are provided to the vibrator 140.

In some embodiments, the feeding mechanism 200 includes a feeding device 210 and a baffle, the feeding device 210 is disposed on the rack 100, the feeding device 210 is used for conveying the nozzle 500 to the feeding channel 120, the baffle is disposed on the rack 100, the baffle closes the outlet of the feeding channel 120, and the moving mechanism 300 can directly move the single nozzle 500 that is abutted against the baffle and located in the feeding channel 120.

The distributing assembly 220 includes a slider member 221, a limiting member 222, and a first driving member 223.

Referring to fig. 3, the slider 221 is slidably connected to the frame 100 through a slider sliding rail assembly, the slider 221 is provided with a material taking notch 221A, a material limiting member 222 is disposed on the frame 100, a first driving member 223 is disposed on the frame 100, an output end of the first driving member 223 is connected to the slider 221, and the first driving member 223 can drive the slider 221 to slide to a first position or a second position. The first driving member 223 is provided as an air cylinder, a hydraulic cylinder, an electric push rod, or the like.

When the slider member 221 is in the first position, the take-out gap 221A is disposed corresponding to the outlet of the feed channel 120, and the take-out gap 221A is configured to receive a single nozzle member 500 that is removed from the feed channel 120.

When the slider member 221 is located at the second position, the slider member 221 closes the outlet of the feeding channel 120, and the material limiting member 222 closes the material taking gap 221A, so that the single nozzle member 500 received by the material taking gap 221A is separated.

It will be appreciated that when the take-out gap 221A receives a single nozzle member 500 removed from the feed channel 120, the nozzle member 500 abuts the slider member 221, and the nozzle member 500 is disposed through the feed channel 120, as shown in detail with reference to fig. 1.

It will be appreciated that the transfer mechanism 300 is capable of gripping a single nozzle member 500 that has been separated and is capable of urging the nozzle member 500 upwardly to disengage it from the take out gap 500.

The transfer mechanism 300 includes a moving assembly 310, a flipping assembly 320, and a loading assembly 330.

Referring to fig. 1, the moving component 310 is disposed on the rack 100, the turning component 320 is disposed on the moving component 310, the picking component 310 is disposed on the turning component 320, the turning component 320 can drive the picking component 330 in the first state to rotate to the first state, and can drive the picking component 330 in the first state to rotate by the preset angle to the second state, the moving component 310 can drive the picking component 330 in the first state to move to the third position, and can drive the picking component 330 in the second state to move to the fourth position.

When the pick-and-place assembly 330 in the first state is in the third position, the pick-and-place assembly 330 is used to remove the nozzle member 500 separated by the loading mechanism 200.

When the pick-and-place assembly 330 in the second state is in the fourth position, the pick-and-place assembly 330 is used for inserting the removed nozzle member 500 into the pipe portion 410 and driving the nozzle member 500 inserted into the pipe portion 410 to rotate so as to realize threaded connection between the nozzle member 500 and the pipe portion 410.

It can be appreciated that when the pick-and-place assembly 330 in the first state is located at the third position, the pick-and-place assembly 330 is vertically disposed, so as to be capable of clamping the nozzle member 500 separated by the feeding mechanism 200, and capable of driving the clamped nozzle member 500 to move upwards, so that the nozzle member 500 is separated from the material taking gap 221A.

It will be appreciated that when the pick-and-place assembly 330 in the second state is in the fourth position, the pick-and-place assembly 330 is disposed obliquely, and the pick-and-place assembly 330 cooperates with the tube portion 410 to enable the gripped nozzle member 500 to be directly aligned with and inserted into the tube portion 410.

In some embodiments, the moving mechanism 300 only includes a turning component 320 and a picking component 330, the turning component 320 is disposed on the rack 100, the picking component 330 is disposed on the turning component 320, and the turning component 320 can drive the picking component 330 to rotate to the first state and to be located at the third position, or to rotate to the second state and to be located at the fourth position.

The moving assembly 310 includes a moving frame 311 and a third driving member 312.

Referring to fig. 1 and 2, the moving frame 311 is slidably connected to the frame 100 through a sliding block and sliding rail assembly, the overturning assembly 320 is disposed on the moving frame 311, the third driving member 312 is disposed on the frame 100, an output end of the third driving member 312 is connected to the moving frame 311, and the third driving member 312 can drive the moving frame 311 to move so as to drive the taking assembly 330 in the first state to move to the third position, and drive the taking assembly 330 in the second state to move to the fourth position. The third driving member 312 is set as a linear module, and an output end of the third driving member 312 is a sliding table, and the sliding table is connected with the moving frame 311.

In some embodiments, the moving frame 311 need not be slidably connected to the frame 100, but need only be connected to the output end of the third driving member 312.

The flipping assembly 320 includes a flipping frame 321 and a second driving member 322.

Referring to fig. 2, the moving frame 311 is rotatably connected with a first pivot member 311B, the turning frame 321 is disposed on the pivot member 311A to be rotatably connected with the moving frame 311, the picking assembly 330 is disposed on the turning frame 321, the second driving member 322 is rotatably connected with the turning frame 321 through a second pivot member (not shown in the drawing), an output end of the second driving member 322 is rotatably connected with the moving frame 311 through a third pivot member (not shown in the drawing), and the second driving member 322 can drive the turning frame 321 to rotate so as to drive the picking assembly 330 to rotate to a first state and drive the picking assembly 330 in the first state to rotate by the preset angle to a second state. The second driving member 322 is configured as a cylinder member with a control module, and the control module can control the operation of the second driving member 322 according to the input parameters of the operator, so that the preset angle can be adjusted.

In order to accurately rotate the pick-and-place assembly 330 to the first state or the second state, referring to fig. 2, the moving frame 311 is provided with two positioning blocks 311A, and the positioning blocks 311A can be abutted against the roll-over frame 321.

When the roll-over stand 321 abuts against one of the positioning blocks 311A, the pick-up assembly 330 is in the first state.

When the roll-over stand 321 abuts against the other positioning block 311A, the pick-up assembly 330 is in the second state.

It will be appreciated that the operator may adjust the position of the other positioning block 311A to be able to adjust the preset angle.

The pick-up assembly 330 includes a fourth driver 331, a fifth driver 332, and a clamp 333.

Referring to fig. 2, the fourth driving member 331 is disposed on the roll-over stand 321, the fifth driving member 332 is disposed at an output end of the fourth driving member 331, and the clamping member 333 is disposed at an output end of the fifth driving member 332. The fourth driving piece 331 is set as a linear module, the output end of the fourth driving piece 331 is a sliding table, and the fifth driving piece 332 is arranged on the sliding table; the fifth driving piece 332 is provided as a motor; the clamp 333 is provided as a pneumatic clamping jaw.

When the pick-and-place assembly 330 in the first state is in the third position, the fourth driving member 331 can drive the clamping member 333 to move, so that the clamping member 333 clamps the nozzle member 500 separated by the feeding mechanism 200.

When the pick-and-place assembly 330 in the second state is in the fourth position, the fourth driving member 331 can drive the clamp member 333 to move so as to insert the nozzle member 500 clamped by the clamp member 333 into the pipe portion 410, and the fifth driving member 332 can drive the clamp member 333 to rotate so as to drive the nozzle member 500 inserted into the pipe portion 410 to rotate and be in threaded connection with the pipe portion 410.

The process of screwing the nozzle member 500 to the pipe portion 410 of the valve body 400 by the upper nozzle device is:

1. the feeding device 210 feeds the nozzle member 500 to the feed channel 120;

2. the nozzle member 500 of the feed channel 120 moves under the feeding pushing action of the vibrator 140 and the feeding device 210;

3. the first drive member 223 drives the slider member 221 to move to the first position, and the take-out gap 221A is configured to receive a single nozzle member 500 removed from the feed channel 120;

4. the first driving member 223 drives the slider member 221 to move to the second position, the slider member 221 closes the outlet of the feeding channel 120, and the material limiting member 222 closes the material taking gap 221A, so that the single nozzle member 500 received by the material taking gap 221A is separated;

5. the second driving piece 322 drives the turnover frame 321 to rotate, and the third driving piece 312 drives the moving frame 311 to move, so that the taking and loading assembly 330 is in the first state and is positioned at the third position;

6. the fourth driving member 331 drives the clamp member 333 to move, so that the clamp member 333 clamps and removes the separated nozzle member 500;

7. the second driving piece 322 drives the turnover frame 321 to rotate, and the third driving piece 312 drives the moving frame 311 to move, so that the taking and loading assembly 330 is in the second state and is positioned at the fourth position;

8. the fourth driving member 331 drives the clamping member 333 to move, the nozzle member 500 clamped by the clamping member 333 is inserted into the pipe portion 410, and the fifth driving member 332 drives the clamping member 333 to rotate, so as to drive the nozzle member 500 inserted into the pipe portion 410 to rotate and be in threaded connection with the pipe portion 410.

Of course, the present utility model is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications and substitutions without departing from the spirit of the present utility model, and these equivalent modifications and substitutions are included in the scope of the present utility model as defined in the appended claims.

Claims

1. An upper nozzle device for screwing a nozzle member (500) to a pipe portion (410) of a valve body (400), the pipe portion (410) being disposed obliquely, characterized in that: comprising

A frame (100) provided with a bearing table (110) for placing the valve body (400) and a feeding channel (120) for moving the nozzle member (500);

the feeding mechanism (200) is arranged on the frame (100), and the feeding mechanism (200) is used for conveying the nozzle pieces (500) to the feeding channel (120) and receiving and separating the single nozzle pieces (500) removed from the feeding channel (120);

the moving mechanism (300) is arranged on the frame (100), and the moving mechanism (300) is used for moving the nozzle piece (500) separated by the feeding mechanism (200), overturning the moved nozzle piece (500) by a preset angle and moving the nozzle piece to a pipe part (410) of the valve body (400) positioned on the bearing table (110).

2. An upper nozzle assembly as defined in claim 1, wherein: the feeding mechanism (200) comprises:

a feeding device (210) provided on the frame (100), the feeding device (210) being configured to feed the nozzle member (500) to the feed channel (120);

and a distributing assembly (220) arranged on the frame (100), wherein the distributing assembly (220) is used for receiving and separating the single nozzle piece (500) removed from the feeding channel (120).

3. An upper nozzle assembly as set forth in claim 2 wherein: the dispensing assembly (220) includes:

the sliding block piece (221) is connected to the frame (100) in a sliding manner, and the sliding block piece (221) is provided with a material taking notch (221A);

the material limiting piece (222) is arranged on the frame (100);

the first driving piece (223) is arranged on the frame (100), the output end of the first driving piece (223) is connected with the sliding block piece (221), the first driving piece (223) can drive the sliding block piece (221) to slide to a first position or a second position, wherein,

the take-off gap (221A) is adapted to receive a single nozzle member (500) removed from the feed channel (120) when the slider member (221) is in the first position,

when the sliding block piece (221) is located at the second position, the sliding block piece (221) seals the outlet of the feeding channel (120), and the material limiting piece (222) seals the material taking gap (221A) so that the single nozzle piece (500) received by the material taking gap (221A) is separated.

4. An upper nozzle assembly as defined in claim 1, wherein: the transfer mechanism (300) includes:

a moving assembly (310) provided to the frame (100);

a flipping assembly (320) disposed on the moving assembly (310);

the picking and loading assembly (330) is arranged on the overturning assembly (320), the overturning assembly (320) can drive the picking and loading assembly (330) to rotate to a first state and drive the picking and loading assembly (330) in the first state to rotate by the preset angle to a second state, the moving assembly (310) can drive the picking and loading assembly (330) in the first state to move to a third position and drive the picking and loading assembly (330) in the second state to move to a fourth position, wherein,

when the taking and loading assembly (330) in the first state is positioned at the third position, the taking and loading assembly (330) is used for moving the nozzle piece (500) separated by the feeding mechanism (200),

when the taking and loading assembly (330) in the second state is located at the fourth position, the taking and loading assembly (330) is used for inserting the moved nozzle member (500) into the pipe portion (410), and is used for driving the nozzle member (500) inserted into the pipe portion (410) to rotate so as to be in threaded connection with the pipe portion (410).

5. An upper nozzle assembly as defined in claim 4, wherein: the flipping assembly (320) includes:

the turnover frame (321) is rotatably connected to the moving assembly (310), and the taking assembly (330) is arranged on the turnover frame (321);

the second driving piece (322) is rotationally connected to the roll-over stand (321), the output end of the second driving piece (322) is rotationally connected with the moving assembly (310), the second driving piece (322) can drive the roll-over stand (321) to rotate so as to drive the taking and loading assembly (330) to rotate to the first state, and the second driving piece can drive the taking and loading assembly (330) in the first state to rotate by the preset angle to the second state.

6. An upper nozzle assembly as defined in claim 5, wherein:

the moving assembly (310) is provided with two positioning blocks (311A), the positioning blocks (311A) can be abutted with the roll-over stand (321), wherein,

when the roll-over stand (321) is abutted with one of the positioning blocks (311A), the picking and loading assembly (330) is in the first state,

when the roll-over stand (321) is abutted with the other positioning block (311A), the taking and assembling component (330) is in the second state.

7. An upper nozzle assembly as defined in claim 4, wherein: the moving assembly (310) includes:

a movable frame (311) which is connected with the frame (100) in a sliding way, and the overturning assembly (320) is arranged on the movable frame (311);

the third driving piece (312) is arranged on the frame (100), the output end of the third driving piece (312) is connected with the movable frame (311), the third driving piece (312) can drive the movable frame (311) to move so as to drive the taking and loading assembly (330) in the first state to move to the third position, and can drive the taking and loading assembly (330) in the second state to move to the fourth position.

8. An upper nozzle assembly as defined in claim 4, wherein: the pick-and-place assembly (330) includes:

a fourth driving member (331) provided to the flipping unit (320);

a fifth driving element (332) arranged at the output end of the fourth driving element (331);

a clamping member (333) provided at an output end of the fifth driving member (332), wherein,

when the fetching component (330) in the first state is positioned at the third position, the fourth driving component (331) can drive the clamping component (333) to move so that the clamping component (333) clamps the nozzle component (500) separated by the feeding mechanism (200),

when the fetching assembly (330) in the second state is located at the fourth position, the fourth driving member (331) can drive the clamp member (333) to move so as to insert the nozzle member (500) clamped by the clamp member (333) into the pipe portion (410), and the fifth driving member (332) can drive the clamp member (333) to rotate so as to drive the nozzle member (500) inserted into the pipe portion (410) to rotate and be in threaded connection with the pipe portion (410).