CN113798845A

CN113798845A - Automatic assembly line for gas valves

Info

Publication number: CN113798845A
Application number: CN202111061945.0A
Authority: CN
Inventors: 冯国平; 祝新军; 冯均华; 赵峰
Original assignee: Zhejiang Mingshi Xingxin Hvac Technology Co ltd; Shaoxing Vocational and Technical College
Current assignee: Zhejiang Mingshi Xingxin Hvac Technology Co ltd; Shaoxing Vocational and Technical College
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2021-12-17

Abstract

The invention discloses an automatic assembly line for a gas valve, which comprises a turntable mechanism, wherein the turntable mechanism comprises a turntable, a plurality of valve body fixing seats are circumferentially arranged on the turntable, valve bodies are placed in the valve body fixing seats, and a feeding mechanism, a gasket assembling mechanism, a hand wheel assembling mechanism, a spring assembling mechanism, a nut assembling mechanism, a plastic part assembling mechanism, a cap assembling mechanism, a discharging mechanism and a closing mechanism are arranged in the rotation direction of the turntable. Through mutually supporting the automatic equipment that realizes the gas valve between a plurality of assembly devices, both practiced thrift labour cost, reduced intensity of labour, promoted the assembly efficiency of product again, improved the qualification rate of product, the practicality is good.

Description

Automatic assembly line for gas valves

Technical Field

The invention relates to the technical field of gas valve production equipment, in particular to an automatic assembly line for a gas valve.

Background

The gas valve is a safety matching device for gas pipeline engineering. The gas valve is used for cutting off, connecting and regulating gas in a pipeline, and has good control characteristics and closing sealing performance. The pipeline is widely applied to various fuel gas medium pipelines such as city gas, liquefied petroleum gas, natural gas, oxygen and the like.

The assembly of traditional gas valves mostly adopts a pure manual assembly mode, and a large amount of manual matching is needed to complete the assembly. And because the assembly spare part is more, reasons such as manual operation is loaded down with trivial details, lead to the equipment mistake easily, the rate of reprocessing of product is high, seriously influences the reliability of product and the efficiency of equipment.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide an automatic assembly line for a gas valve.

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

an automatic assembly line for a gas valve comprises a turntable mechanism, wherein the turntable mechanism comprises a turntable, a plurality of valve body fixing seats are circumferentially arranged on the turntable, a valve body is placed in each valve body fixing seat, a valve rod, a hexagon nut and an air inlet pipe are arranged on the valve body from top to bottom, a convex edge extending downwards is arranged at the lower part of the hexagon nut, a feeding mechanism, a gasket assembly mechanism, a hand wheel assembly mechanism, a spring assembly mechanism, a nut assembly mechanism, a plastic piece assembly mechanism, a cap assembly mechanism, a discharging mechanism and a closing mechanism are arranged along the rotation direction of the turntable, the valve body is transferred to the valve body fixing seats through the feeding mechanism, gaskets are arranged in the gasket assembly mechanism, the gaskets are sleeved on the valve rod through the gasket assembly mechanism, the gaskets are arranged above the hexagon nut, a hand wheel is arranged in the hand wheel assembly mechanism, and the hand wheel is sleeved on the valve rod through the hand wheel assembly mechanism, the hand wheel is arranged on the upper end surface of the gasket in an attaching manner, an inward concave cavity is arranged in the middle of the hand wheel, a spring is arranged in the spring assembling mechanism, the spring is placed in the cavity through the spring assembling mechanism, the spring is sleeved on the periphery of the valve rod, a nut is arranged in the nut assembling mechanism, the nut is screwed on the upper part of the valve rod through the nut assembling mechanism and is downwards propped against the spring, a plastic piece is arranged in the plastic piece assembling mechanism, the plastic piece is screwed on the lower part of the air inlet pipe through the plastic piece assembling mechanism, a cap is arranged in the cap assembling mechanism, the cap is pressed into the cavity through the cap assembling mechanism, the outer side wall of the cap is abutted against the inner side wall of the cavity, the valve body which is assembled is taken out from the valve body fixing seat through the blanking mechanism, and the convex edge is extruded and closed through the closing mechanism.

The feeding mechanism comprises a sliding plate and a transverse moving device which move longitudinally, a material tray is mounted on the upper end face of the sliding plate, a valve body is placed in the material tray, the transverse moving device is located above the material tray, a vertically moving feeding clamp is mounted on the transverse moving device, the transverse moving device drives the feeding clamp to move transversely, the feeding clamp can move transversely to the upper portion of a valve body fixing seat, the longitudinal moving direction of the material tray is perpendicular to the transverse moving direction of the feeding clamp, and the feeding clamp can clamp the valve body in the material tray downwards and clamp the valve body to the valve body fixing seat.

Gasket assembly devices includes gasket gyration carousel, first translation device, gasket gyration carousel is equipped with two mutual symmetries and the erection column that upwards sets up, erection column upper portion cover is equipped with the gasket, the gasket air compression straw of vertical removal is installed to first translation device, first translation device drives gasket air compression straw horizontal migration, but gasket air compression straw horizontal migration establishes the gasket on erection column upper portion to erection column top and downwards absorb the cover, but gasket air compression straw horizontal migration is established the valve rod with the gasket cover to valve rod top and drive gasket downward movement.

The hand wheel assembling mechanism comprises a hand wheel feeding channel and a second translation device, the second translation device is provided with a hand wheel supporting plate, the second translation device drives the hand wheel supporting plate to move horizontally, the moving direction of the hand wheel supporting plate is the same as the length direction of the hand wheel feeding channel, the hand wheel supporting plate can move horizontally to the position above a valve rod, a hand wheel is arranged in the hand wheel feeding channel, a hand wheel pushing plate is arranged at a discharge port of the hand wheel feeding channel and pushes the hand wheel to the hand wheel supporting plate, a hand wheel base is arranged at the lower part of the hand wheel, a vertically through base through hole is arranged in the middle of the hand wheel base, the shapes of the base through hole and the lower part of the valve rod are two matched polygons, a vertically through supporting plate groove is arranged in the middle of the hand wheel supporting plate, a notch is formed in the side of the hand wheel feeding channel, and the hand wheel pushing plate base is pushed into the supporting plate groove, the hand wheel layer board top is equipped with the hand wheel sleeve of vertical removal, be equipped with the hand wheel guide arm of downward setting in the hand wheel sleeve, the hand wheel guide arm can stretch out and draw back in the hand wheel sleeve, works as when the hand wheel layer board is in the state of stretching out, the hand wheel guide arm is rotated downwards and is inserted the base through-hole and continue to rotate the butt downwards to the valve rod up end, simultaneously the hand wheel sleeve rotates downwards and cup joints at the hand wheel, works as when the hand wheel layer board is in the withdrawal state, the hand wheel falls to the valve rod down, the hand wheel guide arm rotates downwards and retracts in the hand wheel sleeve, simultaneously the hand wheel sleeve rotates downwards and drives the hand wheel and rotates downwards until base through-hole coincides mutually with the shape of valve rod lower part, the hand wheel base cover is established in the valve rod lower part.

Hand wheel pay-off passageway discharge gate department is equipped with the channel groove with the relative setting of layer board groove, the channel groove link up from top to bottom and is located the hand wheel layer board side and be equipped with the breach, works as hand wheel in the hand wheel pay-off passageway when the channel groove, the hand wheel base falls to the channel groove, through the hand wheel push pedal promotes the hand wheel base with hand wheel base from channel groove propelling movement to layer board groove, be equipped with the shelves pole of vertical removal between hand wheel push pedal and the hand wheel layer board, the shelves pole is located the channel groove below, works as when the hand wheel is in the mounted state, shelves pole rebound blocks the hand wheel in the hand wheel pay-off passageway and carries, works as after the hand wheel installation, shelves pole downstream, just the shelves pole is less than hand wheel base and hand wheel push pedal.

Spring assembly devices includes the spring carousel, the spring carousel includes lid, base, the lid is equipped with the opening of symmetry, the opening below corresponds respectively has feed inlet, the feed opening of setting at the base, rotate between lid, the base and install the inner rotating disk, the inner rotating disk pushes away the spring to the feed opening from the feed inlet, the trompil of feed opening for seting up in the base bottom surface, the feed opening is located the cavity top, the feed opening top is equipped with the spring strut of vertical removal, spring strut can pass the feed opening downwards and press the spring at the cavity.

The nut assembly devices include nut platform, nut push pedal, be equipped with the nut slide in the nut platform, the nut push pedal promotes the nut in the nut slide and slides, the nut unloading hole that link up from top to bottom is seted up to the nut slide, nut unloading hole site is in the valve rod top, nut unloading hole top is equipped with the nut sleeve of vertical removal, the nut sleeve can move down and drive the nut and rotate with the nut spiro union on valve rod upper portion.

Working of plastics assembly devices includes working of plastics platform, working of plastics push pedal, third translation device, be equipped with the working of plastics slide in the working of plastics platform, the working of plastics push pedal promotes the working of plastics and slides in the working of plastics slide, the working of plastics unloading hole that link up from top to bottom is seted up to the working of plastics slide, vertical removal's working of plastics sleeve is installed to the third translation device, third translation device can drive working of plastics sleeve horizontal migration, but working of plastics sleeve horizontal migration to working of plastics unloading hole below, working of plastics assembly devices includes vertical removal's working of plastics depression bar, but working of plastics sleeve horizontal migration to intake pipe below and drive the working of plastics upwards rotate, simultaneously the working of plastics depression bar is pressed down valve body cooperation working of plastics sleeve and is with the working of plastics spiro union in the intake pipe lower part.

Cap assembly devices includes cap platform, fourth translation device, cap platform up end is equipped with the cap groove, the cap has been placed to the cap inslot, the cap air-compression straw of vertical removal is installed to fourth translation device, fourth translation device drives cap air-compression straw horizontal migration, but cap air-compression straw horizontal migration to cap groove top and downwards absorb the cap of placing at the cap inslot, but cap air-compression straw horizontal migration places the cap at the cavity up end to the cavity top and downstream, cap assembly devices includes vertical movement's cap depression bar, cap depression bar downstream will place in the cap extrusion cavity of cavity up end.

Closing mechanism includes locating platform, be equipped with the unloading through-hole that link up locating platform in the middle of the locating platform, locating platform upper portion is equipped with the valve body layer board of two relative settings, two the valve body layer board can be close to each other and hold the hand wheel lower part and hold up the valve body, the locating platform lower part is equipped with the collet of two relative settings, two the collet can be close to each other and press from both sides tight intake pipe, locating platform circumference is equipped with a plurality of pressure claws, press the claw from the side to run through locating platform and inwards extrude the chimb.

The invention has the beneficial effects that: through mutually supporting the automatic equipment that realizes the gas valve between a plurality of assembly devices, both practiced thrift labour cost, reduced intensity of labour, promoted the assembly efficiency of product again, improved the qualification rate of product, the practicality is good.

Drawings

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

FIG. 2 is a schematic view of the valve body fixing seat and the valve body according to the present invention;

FIG. 3 is a schematic structural diagram of a feeding mechanism of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

FIG. 5 is a schematic view of the structure of the tray of the present invention;

FIG. 6 is a schematic structural view of a gasket mounting mechanism of the present invention;

FIG. 7 is a schematic structural view of a hand wheel assembly mechanism of the present invention;

FIG. 8 is a schematic view of the hand wheel, hand wheel support plate and hand wheel sleeve of the present invention in combination;

FIG. 9 is a schematic view of the hand wheel feed channel and hand wheel carrier of the present invention in combination;

FIG. 10 is a schematic structural view of the spring mounting mechanism of the present invention;

FIG. 11 is an exploded view of the spring rotor of the present invention;

FIG. 12 is a schematic structural view of a nut assembly mechanism according to the present invention;

FIG. 13 is a schematic view of the engagement of the nut and nut sleeve of the present invention;

FIG. 14 is a schematic structural view of a plastic part assembling mechanism according to the present invention;

FIG. 15 is a schematic view of a plastic part of the invention mated to a plastic part sleeve;

FIG. 16 is a schematic structural view of the cap assembly mechanism of the present invention;

FIG. 17 is an enlarged view at B in FIG. 16;

FIG. 18 is a schematic cross-sectional view of the valve body of the present invention after assembly;

FIG. 19 is a schematic structural view of a blanking mechanism according to the present invention;

FIG. 20 is a schematic view of the engagement of the blanking clamp with the valve body according to the present invention;

FIG. 21 is a schematic structural view of a necking mechanism of the present invention 1;

FIG. 22 is a schematic structural view of a necking mechanism of the present invention 2;

FIG. 23 is a schematic cross-sectional view of the necking mechanism of the present invention;

fig. 24 is an enlarged view at C in fig. 23.

In the figure: the device comprises a rotary table mechanism 1, a rotary table 11, a valve body fixing seat 12, a placing table 13, a valve body placing hole 14, a positioning groove 15, a feeding mechanism 2, a sliding plate 21, a material tray 22, a frame 221, a first clamping groove 222, a transverse plate 223, a longitudinal plate 224, a first arc-shaped clamping groove 225, a second clamping groove 226, a compartment 227, a feeding clamp 23, a first clamping plate 231, a positioning plate 232, a second arc-shaped clamping groove 233, a transverse moving device 24, a gasket assembling mechanism 3, a gasket vibrating disc 30, a gasket 31, a gasket rotating rotary disc 32, a mounting column 321, a gasket air pressure suction pipe 33, a first translation device 34, a hand wheel assembling mechanism 4, a hand wheel vibrating disc 40, a hand wheel 41, a cavity 411, a hand wheel base 412, a base through hole 413, a hand wheel feeding channel 42, a channel groove 421, a hand wheel 43, a stop lever 44, a hand wheel supporting plate 45, a supporting plate groove 451, a hand wheel sleeve 46, a hand wheel guide rod 461, a second translation device 47, a spring assembling mechanism 5, a spring assembling mechanism, Spring vibration disk 50, spring 51, spring rotary disk 52, disk cover 521, opening 5211, observation opening 5212, inner rotary disk 522, push block 5221, limiting groove 5222, base 523, feed inlet 5231, feed outlet 5232, limiting rod 5233, annular convex rib 5234, spring slideway 5235, rotary driving device 524, rotary disk 5241, spring compression rod 53, nut assembly mechanism 6, nut vibration disk 60, nut 61, nut notch 611, nut hole 612, nut feed channel 62, nut platform 63, nut slideway 631, nut feed hole 632, nut push plate 64, nut sleeve 65, convex tooth plastic part 651, nut guide rod 652, laser marking mechanism 7, plastic part assembly mechanism 8, plastic part vibration disk 80, plastic part 81, plastic part platform 82, slideway 821, feed hole 822, plastic part push plate 83, plastic part sleeve 84, compression rod 85, third translation device 86, plastic part assembly mechanism 8, plastic part assembly mechanism 80, plastic part vibration disk 80, plastic part platform 82, plastic part platform 821, plastic part unloading hole 822, plastic part sleeve 84, plastic part sleeve 85, third translation device 86, and third translation device, The cap assembling mechanism 9, the cap vibrating plate 90, the cap 91, the cap feeding channel 92, the cap platform 93, the cap groove 931, the cap air pressure suction pipe 94, the limiting post 941, the cap pressure rod 95, the fourth translation device 96, the blanking mechanism 10, the blanking clamp 101, the second clamping plate 102, the gland 103, the blanking platform 104, the fifth translation device 105, the elastic pressure plate 106, the closing mechanism 110, the positioning platform 111, the valve body supporting plate 112, the pressing claw 113, the bottom support 114, the blanking through hole 115, the feeding belt 120, the LED display panel 130, the valve body 200, the valve rod 201, the air inlet pipe 202, the air outlet pipe 203, the hexagon nut 204 and the convex edge 205.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description below:

in the description of the present specification, the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or unit must have a specific direction, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 24, an automatic assembly line for a gas valve comprises a rotary table mechanism 1, wherein the rotary table mechanism 1 comprises a rotary table 11, a motor (not shown) is arranged below the rotary table 11, the rotary table 11 is driven to rotate by the motor, a plurality of valve body fixing seats 12 are circumferentially arranged on the rotary table 11, a valve body 200 is placed in each valve body fixing seat 12, a valve rod 201, a hexagon nut 204 and an air inlet pipe 202 are arranged from top to bottom of the valve body 200, a downwardly extending convex edge 205 is arranged at the lower part of the hexagon nut 204, an air outlet pipe 203 is arranged at the side edge of the valve body 200, an upwardly extending placing table 13 is arranged on each valve body fixing seat 12, a valve body placing hole 14 is arranged in the middle of each placing table 13, each valve body placing hole 14 is a through hole which vertically penetrates through the rotary table 11, the valve body fixing seats 12 and the placing tables 13, and the air inlet pipe 202 can be placed in the valve body placing hole 14, place platform 13 upper portion and be equipped with the ascending constant head tank 15 of opening, constant head tank 15 sets up towards carousel 11 axis, will outlet duct 203 locates in constant head tank 15.

Follow 11 direction of rotation of carousel is equipped with feed mechanism 2, gasket assembly devices 3, hand wheel assembly devices 4, spring assembly devices 5, nut assembly devices 6, working of plastics assembly devices 8, cap assembly devices 9, unloading mechanism 10, binding off mechanism 110, feed mechanism 2 includes gasket vibration dish 30, hand wheel vibration dish 40, spring vibration dish 50, nut vibration dish 60, working of plastics vibration dish 80, cap vibration dish 90, feeds each assembly devices respectively through above-mentioned vibration dish, has improved automatic assembly's efficiency.

Through feed mechanism 2 transfers valve body 200 to valve body fixing base 12, specifically is: the feeding mechanism 2 comprises a sliding plate 21 and a traversing device 24 which move longitudinally, the sliding plate 21 is controlled by a servo motor to slide longitudinally, the traversing device 24 can be a cylinder which is arranged transversely, a material tray 22 is arranged on the upper end surface of the sliding plate 21, a valve body 200 is arranged in the material tray 22, the traversing device 24 is positioned above the material tray 22, the traversing device 24 is provided with a vertically moving feeding clamp 23, the traversing device 24 drives the feeding clamp 23 to move transversely, the feeding clamp 23 can traverse to the position above a valve body fixing seat 12, the longitudinal moving direction of the material tray 22 is perpendicular to the transverse moving direction of the feeding clamp 23, the feeding clamp 23 firstly transversely clamps a first row of transversely arranged valve bodies 200 on the material tray 22 and clamps the valve bodies 200 to the valve body fixing seat 12, after the first row of transversely arranged valve bodies 200 is clamped, the sliding plate 21 moves longitudinally for a distance, the feeding clamp 23 transversely clamps the second row of transversely arranged valve bodies 200 on the charging tray 22 again, and the like clamps the valve bodies 200 on the charging tray 22, so that the design is reasonable, and the clamping efficiency is high.

The material loading anchor clamps 23 includes two first splint 231 that set up relatively, controls two through pointing the cylinder first splint 231 is close to each other or keeps away from, when the valve body 200 is got to needs clamp, two first splint 231 is close to each other and the centre gripping presss from both sides valve body 200 to valve body fixing base 12 in chimb 205 department, and is close to the first splint 231 of carousel 11 side is equipped with downwardly extending's locating plate 232, locating plate 232 lower part is equipped with the second arc draw-in groove 233 of opening decurrent, works as when material loading anchor clamps 23 centre gripping valve body 200, outlet duct 203 card is established in second arc draw-in groove 233. Through second arc draw-in groove 233 is pressed from both sides to send the in-process to valve body 200 and is fixed a position, when guaranteeing that material loading anchor clamps 23 press from both sides valve body 200 to send to valve body fixing base 12, outlet duct 203 can be towards the axis of carousel 11 all the time, valve body 200 is put through the aforesaid unification and is set up, has avoided valve body 200 to put in a jumble and has caused the interference to the assembly devices who sets up in carousel 11 periphery.

Preferably, a transverse plate 223 arranged transversely and a longitudinal plate 224 arranged longitudinally are arranged in the tray 22, the transverse plate 223 and the longitudinal plate 224 are perpendicular to each other to form a plurality of compartments 227, the valve body 200 is placed in the compartments 227, a plurality of second slots 226 are arranged at the lower part of the vertical plate 224, the horizontal plate 223 is clamped in the second slots 226 and connected with the vertical plate 224, a frame 221 is arranged in the tray 22, the frame 221 is arranged by being attached to the inner side wall of the tray 22, the frame 221 is provided with a plurality of first slots 222, the horizontal plate 223 and the vertical plate 224 are clamped in the first slots 222, a plurality of first arc-shaped clamping grooves 225 which are sunken downwards are arranged at the upper part of the longitudinal plate 224, the first arc-shaped clamping grooves 225 are positioned at the upper part of the side wall of the compartment 227, the air outlet pipe 203 is clamped in the first arc-shaped clamping grooves 225, through the arrangement, the valve bodies 200 are uniformly placed on the material tray 22, so that the feeding clamp 23 can feed materials quickly.

Be equipped with gasket 31 in gasket assembly devices 3, through gasket assembly devices 3 establishes gasket 31 cover at valve rod 201, just gasket 31 sets up in hexagon nut 204 top, specifically does: gasket assembly devices 3 includes gasket gyration carousel 32, first translation device 34, gyration carousel 32 drives its 180 degrees reciprocating rotation through the gyration cylinder, first translation device 34 can be the cylinder that the level set up, gasket gyration carousel 32 is equipped with two mutual symmetries and the erection column 321 that upwards sets up, directly over one of them erection column 321 is located to gasket vibration dish 30 discharge gate, gasket 31 falls to erection column 321 from gasket vibration dish 30 discharge gate, promptly erection column 321 upper portion cover is equipped with gasket 31.

First translation device 34 installs vertical movement's gasket air compression straw 33, gasket air compression straw 33 is the straw that sets up downwards, first translation device 34 drives gasket air compression straw 33 horizontal migration, but gasket air compression straw 33 horizontal migration establishes at the gasket 31 on erection column 321 upper portion to erection column 321 top and downward absorption cover, but gasket air compression straw 33 horizontal migration establishes at valve rod 201 top and drives gasket 31 downstream and establish at valve rod 201 with gasket 31 cover.

When the gasket air compression suction pipe 33 takes materials from the gasket 31 on the mounting column 321, the gasket vibration disc 30 conveys the gasket 31 to another mounting column 321 until the gasket air compression suction pipe 33 takes the gasket 31 on the mounting column 321, the gasket rotation turntable 32 is driven by the rotation cylinder to rotate 180 degrees, the mounting column 321 on which the gasket 31 is sleeved rotates to the gasket air compression suction pipe 33, and the gasket vibration disc 30 continues to convey the gasket 31 to another mounting column 321 and repeatedly operates in such a way. Through the arrangement, the gasket 31 can be synchronously taken and fed, the waiting time for feeding is saved, and the automatic assembly efficiency is improved.

Be equipped with hand wheel 41 in the hand wheel assembly devices 4, through hand wheel assembly devices 4 establish hand wheel 41 cover at valve rod 201, just hand wheel 41 laminating sets up at the gasket 31 up end, specifically is: the hand wheel assembling mechanism 4 comprises a hand wheel feeding channel 42 and a second translation device 47, the hand wheel vibration disc 40 is communicated with the hand wheel feeding channel 42, the second translation device 47 can be a cylinder which is horizontally arranged, the second translation device 47 is provided with a hand wheel supporting plate 45, the second translation device 47 drives the hand wheel supporting plate 45 to horizontally move, the moving direction of the hand wheel supporting plate 45 is the same as the length direction of the hand wheel feeding channel 42, the hand wheel supporting plate 45 can horizontally move to the upper part of the valve rod 201, a hand wheel 41 is arranged in the hand wheel feeding channel 42, a hand wheel pushing plate 43 is arranged at the discharge port of the hand wheel feeding channel 42, the hand wheel pushing plate 43 pushes the hand wheel 41 to the hand wheel supporting plate 45, a hand wheel base 412 is arranged at the lower part of the hand wheel 41, a base through hole 413 which is vertically communicated is arranged at the middle part of the hand wheel base 412, and the shapes of the lower parts of the base through hole 413 and the valve rod 201 are two matched polygons, a support plate groove 451 which is through up and down is formed in the middle of the hand wheel support plate 45, a notch is formed in the position, on the hand wheel feeding channel 42 side, of the support plate groove 451, the hand wheel push plate 43 pushes the hand wheel base 412 to the support plate groove 451, at the moment, the hand wheel base 412 penetrates through the support plate groove 451 downwards, a vertically moving hand wheel sleeve 46 is arranged above the hand wheel support plate 45, the hand wheel sleeve 46 is a sleeve matched with the contour of a hand wheel 41, the hand wheel sleeve 46 is installed at the output end of a motor, the hand wheel sleeve 46 is driven to rotate by the motor, a hand wheel guide rod 461 which is arranged downwards is arranged in the hand wheel sleeve 46, the hand wheel guide rod 461 is an elastic guide rod which can stretch out and draw back in the hand wheel sleeve 46, when the hand wheel support plate 45 is in an extending state, the hand wheel guide rod 461 rotates downwards to be inserted into a base through hole 413 and continues to rotate downwards to abut against the upper end face of the valve rod 201 to position the hand wheel 41, the quick, accurate cover of hand wheel 41 of being convenient for is established at valve rod 201, simultaneously hand wheel sleeve 46 rotates downwards and cup joints at hand wheel 41, works as when hand wheel layer board 45 is in the withdrawal state, hand wheel 41 falls to valve rod 201, hand wheel guide 461 continues to rotate downwards and withdraw in hand wheel sleeve 46 under the reaction force of valve rod 201 up end, simultaneously hand wheel sleeve 46 continues to rotate downwards and drives hand wheel 41 and rotate downwards until base through-hole 413 coincides mutually with the shape of valve rod 201 lower part, hand wheel base 412 covers in valve rod 201 lower part, realizes hand wheel 41 and installs fast through above-mentioned hand wheel guide 461 and hand wheel layer board 45 mutually supporting, has improved assembly efficiency.

Further, a channel groove 421 arranged opposite to the support plate groove 451 is arranged at the discharge port of the hand wheel feeding channel 42, the channel groove 421 is communicated up and down and is provided with a notch at the hand wheel support plate 45 side, when the handwheel 41 in the handwheel feed channel 42 passes through the channel slot 421, the handwheel base 412 falls down to the channel slot 421, pushing the handwheel base 412 by the handwheel push plate 43 pushes the handwheel base 412 from the channel slot 421 to the support plate slot 451, a stop lever 44 which moves vertically is arranged between the hand wheel push plate 43 and the hand wheel support plate 45, the stop lever 44 is positioned below the channel groove 421, when the hand wheel 41 is in an installation state, the stop lever 44 moves upwards to stop the hand wheel 41 in the hand wheel feeding channel 42 from conveying, after the installation of the hand wheel 41 is finished, the stop lever 44 moves downwards, and the stop lever 44 is lower than the hand wheel base 412 and the hand wheel push plate 43, so that the interference on the next pushing of the hand wheel push plate 43 is avoided.

Department is equipped with inside sunken cavity 411 in the middle of the hand wheel 41, be equipped with spring 51 in the spring assembly devices 5, through spring assembly devices 5 place spring 51 in cavity 411, just spring 51 cover is established in the periphery of valve rod 201, specifically is: spring assembly devices 5 includes spring carousel 52, spring carousel 52 includes dish lid 521, base 523, dish lid 521 is equipped with the opening 5211 of symmetry, opening 5211 below is corresponding respectively to have set up feed inlet 5231, feed opening 5232 at base 523, the setting of bullet feed inlet 523 is hugged closely to spring vibration dish 50's discharge gate, rotate between dish lid 521, the base 523 and install inner rotary table 522, inner rotary table 522 pushes away spring 51 to feed opening 5232 from feed inlet 5231, feed opening 5232 is for opening the trompil in base 523 bottom surface, feed opening 5232 is located the cavity 411 top, feed opening 5232 top is equipped with vertical removal's spring strut 53, spring strut 53 can pass feed opening 5232 downwards and press spring 51 at cavity 411.

Further, a rotary driving device 524 is installed below the base 523, the rotary driving device 524 may be a rotary cylinder, a rotary disk 5241 is installed on the upper portion of the rotary driving device 524, the rotary disk 5241 upwards penetrates through the base 523 and is connected with the inner rotary disk 522, the inner rotary disk 522 is controlled to rotate in a reciprocating manner by the rotary cylinder, so as to realize repeated feeding of the spring 51, the base 523 is provided with an upwards extending annular rib 5234, the annular rib 5234 and the side wall of the base 523 form a spring slideway 5235, the inner rotary disk 522 is provided with a push block 5221, the push block 5221 pushes the spring 51 to slide in the spring slideway 5235, an upwards extending limiting rod 5233 is installed in the spring slideway 5235, the limiting rod 5233 is installed at the rear position of the push block 5221, which pushes the feed opening 5232, when the push block 5221 pushes the spring 51 to the feed opening 5232, the limiting rod 5233 limits the spring 51 to slide further, the spring 51 is prevented from sliding through the feed opening 5232 under the action of inertia, so that the assembly efficiency of the spring assembly mechanism 5 is influenced, the inner rotary disc 522 is provided with a limiting groove 5222 corresponding to the limiting rod 5233, the limiting groove 5222 and the push block 5221 are oppositely arranged on two sides of the inner rotary disc 522, the limiting rod 5233 can enter the limiting groove 5222, when the limiting rod 5233 is located in the limiting groove 5222, the spring 51 can pass through the feed opening 5231, namely, the spring 51 can enter the spring slideway 5235, the upper end face of the disc cover 521 is provided with the observation opening 5212, the observation opening 5212 is located above the spring slideway 5235, and an operator can conveniently observe the sliding condition of the spring 51 on the spring slideway 5235 from the outside.

Be equipped with nut 61 in the nut assembly devices 6, through nut assembly devices 6 with nut 61 spiro union on valve rod 201 upper portion, just nut 61 supports spring 51 downwards, specifically is: the nut assembling mechanism 6 comprises a nut platform 63 and a nut push plate 64, a nut slide 631 is arranged in the nut platform 63, the nut vibrating disk 60 is communicated with the nut feeding channel 62, the discharge hole of the nut feeding channel 62 is arranged close to the nut slideway 631, the nut push plate 64 pushes the nut 61 to slide in the nut slide channel 631, the nut slide channel 631 is provided with a nut feeding hole 632 which is vertically communicated, the nut feeding hole 632 is positioned above the valve rod 201, that is, when the nut 61 slides to the nut discharge hole 632, the nut 61 drops to the valve stem 201 provided in the cavity 411, a nut sleeve 65 which moves vertically is arranged above the nut blanking hole 632, the nut sleeve 65 is arranged at the output end of the motor, the nut sleeve 65 is driven by the motor to rotate, the nut sleeve 65 moves downwards and drives the nut 61 to rotate, and the nut 61 is screwed on the upper portion of the valve rod 201.

Further, the upper end surface of the nut 61 is provided with two nut notches 611 arranged oppositely, the lower end surface of the nut sleeve 65 is provided with a convex tooth 651 matched with the nut notch 611, when the nut sleeve 65 rotates downwards, the convex tooth 651 is embedded into the nut notch 611 and drives the nut 61 to rotate downwards, the middle of the nut 61 is provided with a nut hole 612 matched with the valve rod 201, a downwards arranged nut guide rod 652 is arranged in the nut sleeve 65, the nut guide rod 652 is a guide rod capable of extending inwards, the nut guide rod 652 can be inserted downwards into the nut hole 612, and the nut 61 can be installed and guided in a rotating mode, so that the installation of the nut 61 is quicker and more convenient.

Be equipped with working of plastics 81 in the working of plastics assembly devices 8, through working of plastics assembly devices 8 are with working of plastics 81 spiro union in intake pipe 202 lower part, specifically do: the plastic part assembling mechanism 8 comprises a plastic part platform 82, a plastic part push plate 83 and a third translation device 86, the third translation device 86 can be a horizontally arranged air cylinder, a plastic part slideway 821 is arranged in the plastic part platform 82, a discharge port of the plastic part vibration plate 80 is tightly attached to the plastic part slideway 821, the plastic part push plate 83 pushes the plastic part 81 to slide in the plastic part slideway 821, the plastic part 81 is a hexagonal plastic part with threads on the upper part and is communicated up and down, the plastic part 81 is a conventional hexagonal plastic part in the market and is not described much, the plastic part slideway 821 is provided with a plastic part discharging hole 822 communicated up and down, the third translation device 86 is provided with a vertically movable plastic part sleeve 84, the plastic part sleeve 84 is arranged at the output end of the motor and is driven by the motor to rotate, and the plastic part sleeve 84 is a hexagonal sleeve matched with the plastic part 81, the plastic part sleeve 84 is a commercially conventional hexagonal sleeve and is not described herein too much, the third translation device 86 can drive the plastic part sleeve 84 to move horizontally, the plastic part sleeve 84 can move horizontally to a position below a plastic part discharging hole 822, the plastic part assembly mechanism 8 comprises a vertically moving plastic part pressure lever 85, the plastic part sleeve 84 can move horizontally to a position below the air inlet pipe 202 and drive the plastic part 81 to rotate upwards, and meanwhile, the plastic part pressure lever 85 presses the valve body 200 downwards to match with the plastic part sleeve 84 to screw the plastic part 81 on the lower portion of the air inlet pipe 202.

Be equipped with cap 91 in the cap assembly devices 9, through cap assembly devices 9 extrudees cap 91 into cavity 411, just cap 91 lateral wall butt is at cavity 411 inside wall, specifically is: the cap assembling mechanism 9 includes a cap platform 93, a fourth translation device 96, the fourth translation device 96 may be a horizontally disposed air cylinder, the cap platform 93 is provided with a cap groove 931 at an upper end surface thereof, the cap vibration plate 90 communicates with the cap feeding passage 92, the cap feeding passage 92 is disposed closely to the cap groove 931, the cap 91 is disposed in the cap groove 931, the fourth translation device 96 is mounted with a vertically moved cap air pressure suction pipe 94, the cap air pressure suction pipe 94 is a downward disposed suction pipe, the fourth translation device 96 drives the cap air pressure suction pipe 94 to move horizontally, the cap air pressure suction pipe 94 can move horizontally to above the cap groove 931 and suck the cap 91 disposed in the cap groove 931 downward, the cap air pressure suction pipe 94 can move horizontally to above the cavity 411 and move downward to place the cap 91 at the upper end surface of the cavity 411, the cap fitting mechanism 9 includes a vertically moving cap pressing lever 95, and the cap pressing lever 95 moves downward to press the cap 91 placed on the upper end surface of the cavity 411 into the cavity 411.

Cap pneumatics straw 94 both sides are equipped with the spacing post 941 of downward setting, spacing post 941 is the spacing post of elasticity, spacing post 941 lower extreme is less than cap pneumatics straw 94 lower extreme, works as cap pneumatics straw 94 absorbs downwards and places the cap 91 in cap groove 931, but spacing post 941 butt plays the spacing effect of decurrent buffering at the cap platform 93 of cap groove 931 both sides.

The valve body 200 which is assembled is taken out from the valve body fixing seat 12 through the blanking mechanism 10, and the method specifically comprises the following steps: the blanking mechanism 10 comprises a vertically moving blanking clamp 101 and a fifth translation device 105, the fifth translation device 105 can be a horizontally arranged cylinder, the blanking clamp 101 is mounted on the fifth translation device 105, the fifth translation device 105 drives the blanking clamp 101 to move horizontally, and the blanking clamp 101 can clamp the valve body 200 in the valve body fixing seat 12 downwards and clamp the valve body 200 to the blanking platform 104.

The blanking clamp 101 comprises two second clamping plates 102 which are arranged oppositely, the second clamping plates 102 can be close to each other and clamp the valve body 200 to a blanking platform 104 at the lower part of the hand wheel 41, an elastic pressing plate 106 is arranged above the second clamping plates 102, a gland 103 with a downward opening is arranged below the elastic pressing plate 106, when the blanking clamp 101 clamps the valve body 200 downwards, the gland 103 is sleeved on the upper part of the hand wheel 41 and downwards supports and presses the upper part of the hand wheel 41 under the elastic action of the elastic pressing plate 106, and the hand wheel 41 is prevented from shaking in the clamping and conveying process of the valve body 200.

Through binding off mechanism 110 closes up the extrusion of chimb 205, specifically is: close up mechanism 110 includes location platform 111, be equipped with the unloading through-hole 115 that link up location platform 111 in the middle of the location platform 111, location platform 111 upper portion is equipped with the valve body layer board 112 of two relative settings, two the valve body layer board 112 can be close to each other and hold hand wheel 41 lower part and hold up valve body 200, location platform 111 lower part is equipped with the collet 114 of two relative settings, two the collet 114 can be close to each other and press from both sides tight intake pipe 202, location platform 111 circumference is equipped with a plurality of pressure claws 113, pressure claw 113 runs through location platform 111 and inwards extrudees chimb 205 from the side, accomplishes the binding off.

Preferably, the closing mechanism 110 is installed on the discharging platform 104, the discharging mechanism 10 clamps the valve body 200 to the closing mechanism 110, a through hole corresponding to the discharging through hole 115 is formed in the discharging platform 104, a feeding belt 120 is arranged below the through hole of the discharging platform 104, and an LED display panel 130 is installed on the outer side of the discharging mechanism 10 and used for displaying the running state of the automatic assembly line, so that an operator can monitor the automatic assembly line in real time, the operator can find and remove faults as soon as possible, and the daily work efficiency is improved.

Follow 11 direction of rotation of carousel still is equipped with laser marking mechanism 7, laser marking mechanism 7 is located between nut assembly devices 6, the working of plastics assembly devices 8, laser marking mechanism 7 includes the laser marking machine, the laser marking machine is conventional laser marking device on the market, does not do too much description here, carries out laser marking to valve body 200 side through the laser marking machine.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. An automatic assembly line for gas valves is characterized in that: comprises a turntable mechanism (1), the turntable mechanism (1) comprises a turntable (11), a plurality of valve body fixing seats (12) are circumferentially arranged on the turntable (11), a valve body (200) is placed in the valve body fixing seat (12), the valve body (200) is provided with a valve rod (201), a hexagon nut (204) and an air inlet pipe (202) from top to bottom, the lower part of the hexagon nut (204) is provided with a downwardly extending convex edge (205), a feeding mechanism (2), a gasket assembling mechanism (3), a hand wheel assembling mechanism (4), a spring assembling mechanism (5), a nut assembling mechanism (6), a plastic part assembling mechanism (8), a cap assembling mechanism (9), a blanking mechanism (10) and a closing mechanism (110) are arranged along the rotating direction of the turntable (11), the valve body (200) is transferred to the valve body fixing seat (12) through the feeding mechanism (2), and a gasket (31) is arranged in the gasket assembling mechanism (3), the gasket assembly mechanism (3) is used for sleeving the gasket (31) on the valve rod (201), the gasket (31) is arranged above the hexagon nut (204), a hand wheel (41) is arranged in the hand wheel assembly mechanism (4), the hand wheel (41) is sleeved on the valve rod (201) through the hand wheel assembly mechanism (4), the hand wheel (41) is attached to the upper end face of the gasket (31), an inward concave cavity (411) is arranged in the middle of the hand wheel (41), a spring (51) is arranged in the spring assembly mechanism (5), the spring (51) is placed in the cavity (411) through the spring assembly mechanism (5), the spring (51) is sleeved on the periphery of the valve rod (201), a nut (61) is arranged in the nut assembly mechanism (6), and the nut assembly mechanism (6) is used for screwing the nut (61) on the upper portion of the valve rod (201), and nut (61) supports downwards and presses spring (51), be equipped with working of plastics (81) in working of plastics assembly devices (8), through working of plastics assembly devices (8) are with working of plastics (81) spiro union in intake pipe (202) lower part, be equipped with cap (91) in cap assembly devices (9), through cap assembly devices (9) are with cap (91) extrusion in cavity (411), just cap (91) lateral wall butt is in cavity (411) inside wall, through unloading mechanism (10) take out valve body (200) that the assembly was accomplished from valve body fixing base (12), through binding off mechanism (110) are to chimb (205) extrusion binding off.

2. A gas valve automated assembly line as in claim 1, wherein: the feeding mechanism (2) comprises a sliding plate (21) and a transverse moving device (24) which move longitudinally, a material tray (22) is installed on the upper end face of the sliding plate (21), a valve body (200) is placed in the material tray (22), the transverse moving device (24) is located above the material tray (22), a vertically moving feeding clamp (23) is installed on the transverse moving device (24), the transverse moving device (24) drives the feeding clamp (23) to move transversely, the feeding clamp (23) can move transversely to the position above a valve body fixing seat (12), the longitudinal moving direction of the material tray (22) is perpendicular to the transverse moving direction of the feeding clamp (23), and the feeding clamp (23) can clamp the valve body (200) in the material tray (22) downwards and clamp the valve body (200) to the valve body fixing seat (12).

3. A gas valve automated assembly line as in claim 1, wherein: gasket assembly devices (3) include gasket gyration carousel (32), first translation device (34), gasket gyration carousel (32) are equipped with two mutual symmetries and the erection column (321) that upwards set up, erection column (321) upper portion cover is equipped with gasket (31), gasket air-compression straw (33) of vertical removal are installed to first translation device (34), first translation device (34) drive gasket air-compression straw (33) horizontal migration, but gasket air-compression straw (33) horizontal migration establishes gasket (31) on erection column (321) upper portion to erection column (321) top and downwards absorb the cover, but gasket air-compression straw (33) horizontal migration establishes valve rod (201) top and drive gasket (31) downstream establish valve rod (201) with gasket (31) cover.

4. A gas valve automated assembly line as in claim 1, wherein: the hand wheel assembling mechanism (4) comprises a hand wheel feeding channel (42) and a second translation device (47), a hand wheel supporting plate (45) is installed on the second translation device (47), the second translation device (47) drives the hand wheel supporting plate (45) to move horizontally, the moving direction of the hand wheel supporting plate (45) is the same as the length direction of the hand wheel feeding channel (42), the hand wheel supporting plate (45) can move horizontally to the position above the valve rod (201), a hand wheel (41) is arranged in the hand wheel feeding channel (42), a hand wheel pushing plate (43) is arranged at the position of a discharge port of the hand wheel feeding channel (42), the hand wheel pushing plate (43) pushes the hand wheel (41) to the hand wheel supporting plate (45), a hand wheel base (412) is arranged at the lower part of the hand wheel (41), a base through hole (413) which is vertically communicated is arranged at the middle part of the hand wheel base (412), and the shapes of the lower parts of the base through hole (413) and the valve rod (201) are two matched polygons, the middle of the hand wheel supporting plate (45) is provided with a supporting plate groove (451) which is through up and down, the supporting plate groove (451) is positioned on the side of a hand wheel feeding channel (42) and is provided with a notch, the hand wheel pushing plate (43) pushes a hand wheel base (412) to the supporting plate groove (451), a hand wheel sleeve (46) which moves vertically is arranged above the hand wheel supporting plate (45), a hand wheel guide rod (461) which is arranged downwards is arranged in the hand wheel sleeve (46), the hand wheel guide rod (461) can stretch out and draw back in the hand wheel sleeve (46), when the hand wheel supporting plate (45) is in an extending state, the hand wheel guide rod (461) rotates downwards to be inserted into the base through hole (413) and continues to rotate downwards to abut against the upper end surface of the valve rod (201), meanwhile, the hand wheel sleeve (46) rotates downwards and is sleeved on the hand wheel (41), when the hand wheel supporting plate (45) is in a retracting state, the valve rod (41) falls to the valve rod (201), the hand wheel guide rod (461) rotates downwards and retracts into the hand wheel sleeve (46), meanwhile, the hand wheel sleeve (46) rotates downwards and drives the hand wheel (41) to rotate downwards until the shape of the lower part of the valve rod (201) coincides with that of the base through hole (413), and the lower part of the valve rod (201) is sleeved with the hand wheel base (412).

5. A gas valve automated assembly line as in claim 4, wherein: a channel groove (421) which is arranged opposite to the support plate groove (451) is formed in the discharge hole of the hand wheel feeding channel (42), the channel groove (421) is vertically communicated, a notch is formed in the side, located on the hand wheel support plate (45), of the hand wheel (41) in the hand wheel feeding channel (42), when the hand wheel passes through the channel groove (421), the hand wheel base (412) falls to the channel groove (421), the hand wheel base (412) is pushed to push the hand wheel base (412) to the support plate groove (451) from the channel groove (421) through the hand wheel push plate (43), a blocking rod (44) which vertically moves is arranged between the hand wheel push plate (43) and the hand wheel support plate (45), the blocking rod (44) is located below the channel groove (421), when the hand wheel (41) is in an installation state, the blocking rod (44) moves upwards to block the hand wheel (41) in the hand wheel feeding channel (42) from being conveyed, and after the installation of the hand wheel (41) is finished, the stop lever (44) moves downwards, and the stop lever (44) is lower than the hand wheel base (412) and the hand wheel push plate (43).

6. A gas valve automated assembly line as in claim 1, wherein: the spring assembling mechanism (5) comprises a spring rotating disc (52), the spring rotating disc (52) comprises a disc cover (521) and a base (523), the tray cover (521) is provided with symmetrical openings (5211), a feed inlet (5231) and a feed outlet (5232) which are arranged on the base (523) are correspondingly arranged below the openings (5211) respectively, an inner rotary disc (522) is rotatably arranged between the disc cover (521) and the base (523), the inner rotary disc (522) pushes the spring (51) to the feed opening (5232) from the feed opening (5231), the feed opening (5232) is an opening formed in the bottom surface of the base (523), the feed opening (5232) is positioned above the cavity (411), a vertically moving spring pressure lever (53) is arranged above the feed opening (5232), the spring plunger (53) can pass through the feed opening (5232) downwards and press the spring (51) into the cavity (411).

7. A gas valve automated assembly line as in claim 1, wherein: nut assembly devices (6) are including nut platform (63), nut push pedal (64), be equipped with nut slide (631) in nut platform (63), nut push pedal (64) promote nut (61) in nut slide (631) and slide, nut unloading hole (632) that link up from top to bottom are seted up in nut slide (631), nut unloading hole (632) are located valve rod (201) top, nut unloading hole (632) top is equipped with vertical movement's nut sleeve (65), nut sleeve (65) can move down and drive nut (61) and rotate nut (61) spiro union on valve rod (201) upper portion.

8. A gas valve automated assembly line as in claim 1, wherein: the plastic part assembling mechanism (8) comprises a plastic part platform (82), a plastic part push plate (83) and a third translation device (86), a plastic part slideway (821) is arranged in the plastic part platform (82), the plastic part push plate (83) pushes the plastic part (81) to slide in the plastic part slideway (821), a plastic part blanking hole (822) which is communicated up and down is formed in the plastic part slideway (821), a vertically-moving plastic part sleeve (84) is installed on the third translation device (86), the third translation device (86) can drive the plastic part sleeve (84) to horizontally move, the plastic part sleeve (84) can horizontally move to the position below the plastic part blanking hole (822), the plastic part assembling mechanism (8) comprises a vertically-moving plastic part compression bar (85), the plastic part sleeve (84) can horizontally move to the position below the air inlet pipe (202) and drive the plastic part (81) to upwards rotate, meanwhile, the plastic part compression bar (85) presses the valve body (200) downwards to match with the plastic part sleeve (84) so as to enable the plastic part (81) to be screwed on the lower part of the air inlet pipe (202).

9. A gas valve automated assembly line as in claim 1, wherein: the cap assembling mechanism (9) comprises a cap platform (93) and a fourth translation device (96), the upper end surface of the cap platform (93) is provided with a cap groove (931), a cap (91) is placed in the cap groove (931), the fourth translation device (96) is provided with a vertically moving cap air pressure suction pipe (94), the fourth translation device (96) drives the cap air pressure suction pipe (94) to move horizontally, the cap air pressure suction pipe (94) can horizontally move to the upper part of the cap groove (931) and suck the cap (91) placed in the cap groove (931) downwards, the cap air pressure suction pipe (94) can horizontally move to the upper part of the cavity (411) and move downwards to place the cap (91) on the upper end surface of the cavity (411), the cap assembling mechanism (9) comprises a cap pressing rod (95) which moves vertically, the cap pressing rod (95) moves downwards to press the cap (91) placed on the upper end face of the cavity (411) into the cavity (411).

10. A gas valve automated assembly line as in claim 1, wherein: closing mechanism (110) is including positioning platform (111), be equipped with unloading through-hole (115) that link up positioning platform (111) in the middle of positioning platform (111), positioning platform (111) upper portion is equipped with two valve body layer board (112) that set up relatively, two valve body layer board (112) can be close to each other and hold hand wheel (41) lower part and hold up valve body (200), positioning platform (111) lower part is equipped with collet (114) of two relative settings, two collet (114) can be close to each other and press from both sides tight intake pipe (202), positioning platform (111) circumference is equipped with a plurality of pressure claws (113), press claw (113) to run through positioning platform (111) and inwards extrude chimb (205) from the side.