CN111390518A

CN111390518A - Device for assembling pipe fittings and machining method thereof

Info

Publication number: CN111390518A
Application number: CN202010255017.7A
Authority: CN
Inventors: 郭洪明
Original assignee: Hangzhou Panasia Sanitary Ware Co Ltd
Current assignee: Hangzhou Panasia Sanitary Ware Co Ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-07-10

Abstract

The invention discloses a device for assembling a pipe fitting and a processing method thereof, and aims to provide a device for assembling a pipe fitting and a processing method thereof, which can be used for quickly and accurately assembling the pipe fitting. It includes the base, the up end of base rotates respectively and is connected with carousel one and carousel two, the side of carousel one has annular distribution in proper order to have vibration dish one, conveyer belt and rotating assembly, be equipped with a plurality of nut in the vibration dish one, a plurality of tubular metal resonator has evenly been placed on the conveyer belt, the side of carousel two has annular distribution in proper order to have vibration dish two, supplies with the platform, presses down subassembly and unloading subassembly, be equipped with a plurality of rubber ring in the vibration dish two, supply with and placed a plurality of gasket on the platform. The invention has the beneficial effects that: the requirements for quickly and accurately assembling the pipe fittings can be well met; nuts of different specifications can be well fixed in the positioning groove; the limit stop can further screen out single parts quickly.

Description

Device for assembling pipe fittings and machining method thereof

Technical Field

The invention relates to the technical field related to pipe fitting assembly, in particular to a pipe fitting assembly device and a processing method thereof.

Background

The bathroom is a space and articles for daily public health activities such as defecation, bathing, washing and the like of residents, various bathroom equipment such as bathing equipment and the like are arranged in the bathroom, a plurality of control valves are generally arranged on the bathing equipment, a hot water pipeline and a cold water pipeline are respectively connected onto the plurality of control valves, then a connecting pipeline for water outlet of the same pipeline is connected among the plurality of control valves, and a pipeline connecting piece is an important part of the connecting pipeline.

At present, the assembly methods for pipe fittings on the market are various, such as adhesive type, fastening type, combined type and the like, and the assembly methods for any pipe fittings are all for accurate and quick assembly of pipe fittings, but the assembly accuracy of pipe fittings is not high due to the existing pipe fitting assembly device and the existing assembly method, and the assembly process is time-consuming and labor-consuming. How to rapidly improve the speed and the accuracy of pipe fitting assembly becomes the problem that enterprises at present mainly solve.

Disclosure of Invention

The invention provides a device for assembling a pipe fitting and a processing method thereof, aiming at overcoming the defect that the pipe fitting cannot be assembled quickly and accurately in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

a machining method for assembling pipe fittings comprises the following steps:

before the device is used, whether an electrical switch and an electric wire of the pipe fitting assembling equipment are in good grounding or not is checked, and whether the switch of the console is placed at an off position or not is checked.

And step two, if the electrical switch and the electric wire of the pipe fitting assembling equipment are well grounded and the switch of the console is arranged at the off position, the switch of the console is turned on, the air conditioner is firstly operated, and whether the actions of all the parts are normal is checked.

And step three, if all parts of the pipe fitting assembling equipment normally act, closing a switch of a control console, then pouring nuts to be assembled into a vibration disc beside the first processing turntable, placing metal pipes to be assembled onto a conveying belt beside the first processing turntable, pouring rubber rings to be assembled into a vibration disc beside the second processing turntable, and placing gaskets to be assembled into a supply table beside the second processing turntable.

And fourthly, after all the parts to be assembled are placed, starting the switch of the console again, and starting the system to run.

And fifthly, conveying the nuts to be assembled to the upper part of the first processing turntable after the nuts are sorted by the vibrating disc beside the first processing turntable, grabbing the nuts by a manipulator and placing the nuts into the positioning grooves in the edge of the first processing turntable, conveying the metal pipe into the positioning grooves with the nuts by the conveying belt, and screwing the nuts to the outer side of the metal pipe by the screwing device on the first turntable.

And sixthly, the vibration disc beside the second processing turntable conveys the rubber rings to be assembled to the upper part of the second processing turntable after sorting the rubber rings, the rubber rings are grabbed by the mechanical arm and placed on the positioning column at the edge of the second processing turntable, and then the gasket to be assembled is grabbed by the mechanical arm from the supply table and placed on the positioning column with the rubber rings.

And step seven, the metal pipe with the nut is grabbed from the first machining turntable by the manipulator and is placed on the positioning column with the gasket in the second machining turntable, and then the metal pipe is pressed into the gasket and the inner ring of the rubber ring through a pressing device on the second turntable, so that the gasket and the rubber ring are fixed on the outer side of the metal pipe, and the assembly is completed.

And step eight, after the assembly is finished, the assembled metal pipe is grabbed from the second processing turntable by the manipulator and placed in a blanking groove on the side surface of the second processing turntable for blanking.

This pipe fitting equipment is full-automatic assembly line technique, revolves the nut on the tubular metal resonator through automatic screw in device, fixes gasket and rubber ring on the tubular metal resonator through automatic press device, and vacancy detection device on the cooperation carries out real-time detection to every station, prevents that the part from neglected loading or dislocation, and the requirement of just accurately assembling is carried out to the pipe fitting to reaching that can be fine.

Preferably, in the fifth step, the outer side of the metal pipe is provided with an external thread matched with the nut, the nut is fixed on the station, the screwing device grasps the metal pipe and drives the metal pipe to rotate, and the metal pipe is in threaded connection with the nut through the external thread on the metal pipe.

Preferably, the first machining turntable in the fifth step and the second machining turntable in the sixth step are both provided with vacancy detection devices, so that whether parts on each station of the equipment are neglected or misplaced can be detected in real time, and the accuracy rate of pipe fitting assembly is improved.

Preferably, step five and step six are performed simultaneously or step five and step six are performed separately, and the simultaneous performance can improve the speed of assembling the pipe fittings.

Preferably, in the seventh step, the inner diameter of the gasket, the inner diameter of the rubber ring and the outer diameter of the metal tube are equal, and the gasket and the rubber ring can be firmly sleeved outside the metal tube through the pressing device.

The invention also provides a device for assembling pipe fittings, which comprises a base, wherein the upper end surface of the base is respectively and rotatably connected with a first rotating disc and a second rotating disc, a plurality of positioning grooves are uniformly distributed at the edge of the upper end surface of the first rotating disc, a first vibrating disc, a first conveying belt and a rotating assembly are sequentially and annularly distributed at the side surface of the first rotating disc, a plurality of nuts are arranged in the first vibrating disc, a plurality of metal pipes are uniformly placed on the conveying belt, external threads matched with the nuts are arranged on the outer surfaces of the metal pipes, a falling port is arranged at the bottom surface of the conveying belt and is positioned right above one positioning groove, a plurality of positioning columns are uniformly distributed at the edge of the upper end surface of the second rotating disc and are in sliding connection with the second rotating disc, a second vibrating disc, a supply table, a pressing assembly and a blanking assembly are, the utility model discloses a vibration dish, including vibration dish two, be provided with a plurality of rubber ring in the vibration dish two, supply with the bench and placed a plurality of gasket, the side of unloading subassembly is provided with down the silo, all be provided with the manipulator between vibration dish one and the carousel one, between vibration dish two and the carousel two, supply with between platform and the carousel two and between carousel one and the carousel two, the manipulator between carousel one and the carousel two is located vibration dish one and between the rotating assembly, the manipulator between carousel one and the carousel two is located and supplies with the platform and press the subassembly between.

The upper end surface of the base is respectively and rotatably connected with a first rotary disk and a second rotary disk, a plurality of positioning grooves are uniformly distributed at the edge of the upper end surface of the first rotary disk, a first vibrating disk, a conveying belt and a rotating assembly are sequentially and annularly distributed at the side surface of the first rotary disk, a plurality of nuts are arranged in the first vibrating disk, a plurality of metal tubes are uniformly placed on the conveying belt, external threads matched with the nuts are arranged on the outer surface of the metal tubes, a falling opening is arranged at the bottom surface of the conveying belt and is positioned right above one positioning groove, a plurality of positioning columns are uniformly distributed at the edge of the upper end surface of the second rotary disk, the positioning columns are in sliding connection with the second rotary disk, a second vibrating disk, a supply table, a pressing assembly and a blanking assembly are sequentially and annularly distributed at the side surface of the second rotary disk, the mechanical arms are arranged between the first vibrating disk and the first rotating disk, between the second vibrating disk and the second rotating disk, between the first feeding table and the second rotating disk, and between the first rotating disk and the second rotating disk, and between the first feeding table and the pressing component, in the first rotating disk, firstly, the nuts to be assembled are sorted by the first vibrating disk and are fed to the side surface of the first rotating disk, then, the nuts are picked up and placed in the positioning grooves by the mechanical arms between the first vibrating disk and the first rotating disk, then, the metal tubes to be assembled are dropped into the positioning grooves provided with the nuts through the dropping openings of the conveying belts, finally, the metal tubes are picked up by the rotating components, are aligned with the nuts and drive the metal tubes to rotate, the metal tubes are in threaded connection with the nuts, in the second rotating disk, firstly, the rubber rings to be assembled are sorted by the second vibrating disk and are fed to the side surface of, the metal pipe assembling device comprises a vibrating plate II, a rotating plate II, a manipulator between the vibrating plate II and the rotating plate II, a gasket to be assembled, a rubber ring, a positioning column, a metal pipe, a pressing assembly, a blanking assembly and a nut, wherein the gasket to be assembled is arranged on the feeding table, the rubber ring is arranged on the positioning column, the metal pipe is arranged on the rotating plate I, the metal pipe is arranged on the positioning column, the pressing assembly is used for pressing the metal pipe, the gasket and the rubber ring are fixed below the nut, the assembly is completed, the blanking assembly is used for grabbing the assembled metal pipe from the rotating plate II and placing the metal pipe into a blanking groove for blanking, and therefore the requirement for quickly and accurately assembling pipe fittings can be well met.

Preferably, a plurality of sliding rods are uniformly distributed on the side wall of the positioning groove, the sliding rods penetrate through the side wall of the positioning groove and are in sliding connection with the positioning groove, fastening blocks are fixed on the sliding rods, a sliding groove matched with the outer diameter of the metal pipe is arranged at the middle position of the bottom surface of the positioning groove, a positioning pin matched with the inner diameter of the metal pipe is fixed on the bottom surface of the sliding groove, nuts of different specifications can be well fixed in the positioning groove by firmly abutting against the nuts through the sliding rods and the fastening blocks on the sliding groove, the positioning pin is positioned on the inner side of the nuts, the metal pipe falling from the conveyor belt is sleeved on the positioning pin, the rotating assembly drives the metal pipe to rotate and simultaneously drives the metal pipe to move towards the sliding groove, the metal pipe and the nuts are in threaded connection, the positioning column is composed of an upper part and a lower part, the width of the lower part of the positioning, the width of the upper portion of reference column equals with the internal diameter of tubular metal resonator, and vibration dish two all falls the lower part at the reference column with rubber ring and the gasket that supplies the platform to convey, and the tubular metal resonator that carousel one conveyed then falls the upper portion at the reference column, presses down the subassembly and can make the reference column pressed in carousel two when the tubular metal resonator is pressed, and rubber ring and gasket then follow the lower part of reference column and fix to the tubular metal resonator on.

As preferred, vibration dish one and vibration dish two are by vibration base with put the thing groove and constitute, it fixes on vibration base to put the thing groove, it is fixed with the track on the inside wall of thing groove to put, orbital one end is arranged in the bottom of putting the thing groove, orbital other end is arranged in and is put the top of thing groove and install limit stop on it, it vibrates to put the thing groove by vibration base drive, make part limit wherein carry out preliminary letter sorting and sequencing along the orbital motion limit, and the limit stop who adds can be quick further select single part, the work efficiency of vibration dish one and vibration dish two is improved.

Preferably, the width of the track of the first vibration disk is equal to that of the nuts, a first connecting channel is arranged between the first vibration disk and the first rotating disk, one end of the first connecting channel is fixedly connected with the other end of the track of the first vibration disk, the distance between a limit stop on the first vibration disk and the track of the first vibration disk is equal to the thickness of the nuts, the other end of the first connecting channel is arranged on the side face of the first rotating disk, and the nuts screened by the limit stop are sequentially transmitted to the side face of the first rotating disk through the first connecting channel.

Preferably, the width of the track of the second vibrating disk is equal to that of the rubber ring, a second connecting channel is arranged between the second vibrating disk and the second rotating disk, one end of the second connecting channel is fixedly connected with the other end of the track of the second vibrating disk, the distance between a limit stop on the second vibrating disk and the track of the second vibrating disk is equal to the thickness of the rubber ring, the other end of the second connecting channel is arranged on the side face of the second rotating disk, and the single rubber ring screened by the limit stop is sequentially transmitted to the side face of the second rotating disk through the second connecting channel.

The invention has the beneficial effects that: the pipe fitting assembling equipment adopts a full-automatic assembly line technology, a nut is screwed on a metal pipe through an automatic screwing device, a gasket and a rubber ring are fixed on the metal pipe through an automatic pressing device, and a vacancy detection device on the gasket and the rubber ring is matched to carry out real-time detection on each station, so that missing or dislocation of parts is prevented, and the requirement of fast and accurate assembling on the pipe fitting can be well met; the slide bar and the fastening block on the slide bar can firmly support the nuts, so that the nuts with different specifications can be well fixed in the positioning groove; the single part can be further selected fast to the limit stop who adds, improves the work efficiency of vibration dish one and vibration dish two.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure in the direction A in FIG. 1;

FIG. 3 is a schematic view of the positioning groove of FIG. 1;

FIG. 4 is a cross-sectional view of the positioning post portion of FIG. 2;

fig. 5 is an internal structural view of the vibrating disk portion of fig. 1.

In the figure: 1. the vibration plate comprises a second vibration plate, 2 rubber rings, 3 a base, 4 positioning columns, 5 blanking assemblies, 6 blanking grooves, 7 pressing assemblies, 8 rotating assemblies, 9 dropping openings, 10 conveying belts, 11 metal pipes, 12 vibration plates, 13 nuts, 14 connecting channels, 15 manipulators, 16 rotating plates, 17 positioning grooves, 18 rotating plates, 19 gaskets, 20 feeding tables, 21 connecting channels, 22 sliding rods, 23 fastening blocks, 24 sliding grooves, 25 positioning pins, 26 limiting stoppers, 27 rails, 28 storage grooves and 29 vibration bases.

Detailed Description

The invention is further described with reference to the following figures and detailed description.

In the embodiment shown in fig. 1 and 2, a method of manufacturing a tube assembly includes the steps of:

And in the fifth step, external threads matched with the nuts are arranged on the outer side of the metal pipe.

And vacancy detection devices are arranged on the first processing turntable in the fifth step and the second processing turntable in the sixth step.

And step five and step six are carried out simultaneously or step five and step six are carried out respectively.

And in the seventh step, the inner diameter of the gasket, the inner diameter of the rubber ring and the outer diameter of the metal pipe are equal.

As shown in fig. 1 and 2, the invention further provides a pipe fitting assembling device, which comprises a base 3, wherein the upper end surface of the base 3 is respectively and rotatably connected with a first rotating disc 16 and a second rotating disc 18, and a plurality of positioning grooves 17 are uniformly distributed on the edge of the upper end surface of the first rotating disc 16.

As shown in fig. 1, a vibration disc I12, a conveyor belt 10 and a rotating assembly 8 are sequentially and annularly distributed on the side surface of a rotating disc I16, a plurality of nuts 13 are arranged in the vibration disc I12, a plurality of metal pipes 11 are uniformly placed on the conveyor belt 10, external threads matched with the nuts 13 are arranged on the outer surfaces of the metal pipes 11, a falling opening 9 is arranged on the bottom surface of the conveyor belt 10, and the falling opening 9 is located right above one positioning groove 17.

As shown in fig. 1, the edge evenly distributed of the two 18 up end of carousel has a plurality of reference column 4, reference column 4 and two 18 sliding connection of carousel, and the side of two 18 of carousel annular distribution in proper order has vibration dish two 1, supplies with platform 20, presses down subassembly 7 and unloading subassembly 5, is equipped with a plurality of rubber ring 2 in the vibration dish two 1, supplies with and has placed a plurality of gasket 19 on the platform 20, and the side of unloading subassembly 5 is provided with down silo 6.

As shown in fig. 1, the mechanical hands 15 are arranged between the first vibrating disk 12 and the first rotating disk 16, between the second vibrating disk 1 and the second rotating disk 18, between the feeding table 20 and the second rotating disk 18, and between the first rotating disk 16 and the second rotating disk 18, the mechanical hands 15 between the first rotating disk 16 and the second rotating disk 18 are located between the first vibrating disk 12 and the rotating assembly 8, and the mechanical hands 15 between the first rotating disk 16 and the second rotating disk 18 are located between the feeding table 20 and the pressing assembly 7.

As shown in fig. 1 and 3, a plurality of sliding rods 22 are uniformly distributed on the side wall of the positioning groove 17, the sliding rods 22 penetrate through the side wall of the positioning groove 17 and are slidably connected with the positioning groove 17, a fastening block 23 is fixed on the sliding rods 22, a sliding groove 24 matched with the outer diameter of the metal pipe 11 is arranged in the middle position of the bottom surface of the positioning groove 17, and a positioning pin 25 matched with the inner diameter of the metal pipe 11 is fixed on the bottom surface of the sliding groove 24.

As shown in fig. 2 and 4, the positioning column 4 is composed of an upper part and a lower part, the width of the lower part of the positioning column 4, the outer diameter of the metal pipe 11, the inner diameter of the gasket 19 and the inner diameter of the rubber ring 2 are all equal, and the width of the upper part of the positioning column 4 and the inner diameter of the metal pipe 11 are equal.

As shown in fig. 1 and 5, each of the first vibrating tray 12 and the second vibrating tray 1 includes a vibrating base 29 and a storage slot 28, the storage slot 28 is fixed on the vibrating base 29, a rail 27 is fixed on the inner side wall of the storage slot 28, one end of the rail 27 is arranged at the bottom of the storage slot 28, and the other end of the rail 27 is arranged at the top of the storage slot 28 and is provided with a limit stop 26.

As shown in fig. 1 and 5, the width of the track 27 of the first vibrating disk 12 is equal to the width of the nut 13, a first connecting channel 14 is arranged between the first vibrating disk 12 and the first rotating disk 16, one end of the first connecting channel 14 is fixedly connected with the other end of the track 27 on the first vibrating disk 12, the distance between the limit stop 26 on the first vibrating disk 12 and the track 27 on the first vibrating disk 12 is equal to the thickness of the nut 13, and the other end of the first connecting channel 14 is arranged on the side surface of the first rotating disk 16.

As shown in fig. 1 and 5, the width of the track 27 of the vibrating disk two 1 is equal to the width of the rubber ring 2, a connecting channel two 21 is arranged between the vibrating disk two 1 and the rotating disk two 18, one end of the connecting channel two 21 is fixedly connected with the other end of the track 27 on the vibrating disk two 1, the distance between the limit stop 26 on the vibrating disk two 1 and the track 27 on the vibrating disk two 1 is equal to the thickness of the rubber ring 2, and the other end of the connecting channel two 21 is arranged on the side surface of the rotating disk two 18.

Workflow in carousel one 16: firstly, a vibrating disc I12 sorts single nuts 13 to be assembled and then sequentially conveys the nuts to the side face of a rotating disc I16 through a connecting channel I14; secondly, the mechanical arm 15 between the first vibrating disk 12 and the first rotating disk 16 picks up the nut 13 and places the nut 13 into the positioning groove 17, and the nut 13 is firmly supported by the sliding rod 22 and the fastening block 23 on the sliding rod (wherein the positioning pin 25 is positioned on the inner side of the nut 13); thirdly, the metal pipe 11 to be assembled is dropped into the positioning groove 17 (sleeved on the positioning pin 25) provided with the nut 13 through the dropping hole 9 of the conveyor belt 10; fourthly, the rotating assembly 8 grabs the metal tube 11 and the nut 13 for calibration, the rotating assembly 8 drives the metal tube 11 to rotate and simultaneously drives the metal tube 11 to move in the chute 24, and the metal tube 11 and the nut 13 are connected in a threaded mode.

The work flow in the second rotating disc 18 is as follows: firstly, after the single rubber ring 2 to be assembled is well sorted by the vibrating disc II 1, the single rubber ring is orderly conveyed to the side surface of the rotating disc II 18 through the connecting channel II 21; secondly, the rubber ring 2 is picked up and placed on the positioning column 4 (falls on the lower part of the positioning column 4) by a manipulator 15 between the vibrating disc II 1 and the rotating disc II 18; thirdly, picking up the single gasket 19 to be assembled from the supply table 20 by the manipulator 15 between the supply table 20 and the second rotary table 18 and placing the gasket on the positioning column 4 with the rubber ring 2 (falling on the lower part of the positioning column 4); fourthly, the manipulator 15 between the first rotating disc 16 and the second rotating disc 18 picks up the metal tube 11 provided with the nut 13 on the first rotating disc 16 and places the metal tube onto the positioning column 4 with the gasket 19 (falls on the upper part of the positioning column 4); fifthly, the pressing assembly 7 presses the metal tube 11, when the pressing assembly 7 presses the metal tube 11, the positioning column 4 is pressed into the second rotating disc 18, and the rubber ring 2 and the gasket 19 are fixed on the metal tube 11 from the lower part of the positioning column 4, so that the assembly is completed; and sixthly, the assembled metal tube 11 is picked up from the second rotating disc 18 by the blanking assembly 5 and placed in the blanking groove 6 for blanking.

Supplementing: the entire workflow in carousel one 16 and the first three steps of the workflow in carousel two 18 may be performed simultaneously.

Claims

1. A machining method for assembling pipe fittings comprises the following steps:

2. The method as claimed in claim 1, wherein the metal pipe is provided with external threads on its outer surface for mating with the nut in the fifth step.

3. The method as claimed in claim 1, wherein the first machining turntable in the fifth step and the second machining turntable in the sixth step are provided with vacancy detection devices.

4. The method of claim 1, wherein steps five and six are performed simultaneously or steps five and six are performed separately.

5. The method as claimed in claim 1, wherein the inner diameter of the gasket, the inner diameter of the rubber ring and the outer diameter of the metal pipe are equal in the seventh step.

6. A device for assembling pipe fittings is characterized by comprising a base (3), wherein the upper end face of the base (3) is respectively and rotatably connected with a first rotary table (16) and a second rotary table (18), a plurality of positioning grooves (17) are uniformly distributed at the edge of the upper end face of the first rotary table (16), a first vibration disc (12), a conveyor belt (10) and a rotating assembly (8) are sequentially and annularly distributed on the side face of the first rotary table (16), a plurality of nuts (13) are arranged in the first vibration disc (12), a plurality of metal pipes (11) are uniformly placed on the conveyor belt (10), external threads matched with the nuts (13) are arranged on the outer surface of each metal pipe (11), a falling opening (9) is arranged on the bottom face of the conveyor belt (10), the falling opening (9) is positioned right above one positioning groove (17), a plurality of positioning columns (4) are uniformly distributed at the edge of the upper end face of the second rotary table, reference column (4) and two (18) sliding connection of carousel, the side of two (18) of carousel annular distribution in proper order has vibration dish two (1), supplies with platform (20), presses subassembly (7) and unloading subassembly (5), be equipped with a plurality of rubber ring (2) in vibration dish two (1), a plurality of gasket (19) have been placed on supplying with platform (20), the side of unloading subassembly (5) is provided with down silo (6), between vibration dish (12) and carousel (16), between vibration dish two (1) and carousel two (18), supply with between platform (20) and carousel two (18) and all be provided with manipulator (15) between carousel (16) and carousel two (18), manipulator (15) between carousel (16) and carousel two (18) are located between vibration dish (12) and rotating assembly (8), manipulator (15) between carousel (16) and carousel two (18) are located and supply with platform (20) and carousel (8), manipulator (15) are located between carousel (16) and carousel two (18) and supply with platform (20) and supply with Between the pressing components (7).

7. A device for assembling pipes according to claim 6, wherein the side walls of the positioning slots (17) are uniformly distributed with a plurality of sliding bars (22), the slide bar (22) penetrates through the side wall of the positioning groove (17) and is connected with the positioning groove (17) in a sliding way, a fastening block (23) is fixed on the sliding rod (22), a sliding groove (24) matched with the outer diameter of the metal pipe (11) is arranged in the middle of the bottom surface of the positioning groove (17), a positioning pin (25) matched with the inner diameter of the metal pipe (11) is fixed on the bottom surface of the sliding chute (24), the positioning column (4) consists of an upper part and a lower part, the width of the lower part of the positioning column (4), the outer diameter of the metal pipe (11), the inner diameter of the gasket (19) and the inner diameter of the rubber ring (2) are all equal, the width of the upper part of the positioning column (4) is equal to the inner diameter of the metal pipe (11).

8. The pipe fitting assembling device according to claim 6, wherein the first vibrating plate (12) and the second vibrating plate (1) are both composed of a vibrating base (29) and a storage groove (28), the storage groove (28) is fixed on the vibrating base (29), a rail (27) is fixed on the inner side wall of the storage groove (28), one end of the rail (27) is arranged at the bottom of the storage groove (28), and the other end of the rail (27) is arranged at the top of the storage groove (28) and is provided with a limit stop (26).

9. The pipe fitting assembling device of claim 8, wherein the width of the rail (27) of the first vibration disk (12) is equal to that of the nut (13), a first connecting channel (14) is arranged between the first vibration disk (12) and the first rotating disk (16), one end of the first connecting channel (14) is fixedly connected with the other end of the rail (27) on the first vibration disk (12), the distance between the limit stop (26) on the first vibration disk (12) and the rail (27) on the first vibration disk (12) is equal to the thickness of the nut (13), and the other end of the first connecting channel (14) is arranged on the side face of the first rotating disk (16).

10. The pipe fitting assembling device according to claim 8, wherein the width of the track (27) of the second vibrating disk (1) is equal to that of the rubber ring (2), a second connecting channel (21) is arranged between the second vibrating disk (1) and the second rotating disk (18), one end of the second connecting channel (21) is fixedly connected with the other end of the track (27) on the second vibrating disk (1), the distance from the limit stop (26) on the second vibrating disk (1) to the track (27) on the second vibrating disk (1) is equal to the thickness of the rubber ring (2), and the other end of the second connecting channel (21) is arranged on the side face of the second rotating disk (18).