CN111496521A - Automatic assembly equipment for water valve - Google Patents

Automatic assembly equipment for water valve Download PDF

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Publication number
CN111496521A
CN111496521A CN202010367501.9A CN202010367501A CN111496521A CN 111496521 A CN111496521 A CN 111496521A CN 202010367501 A CN202010367501 A CN 202010367501A CN 111496521 A CN111496521 A CN 111496521A
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CN
China
Prior art keywords
station
assembly
water valve
assembling
sealing washer
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CN202010367501.9A
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Chinese (zh)
Inventor
蒋庆
叶晓彪
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HANGZHOU ZHONGJIU AUTOMATIC CONTROL SYSTEM CO Ltd
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HANGZHOU ZHONGJIU AUTOMATIC CONTROL SYSTEM CO Ltd
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Priority to CN202010367501.9A priority Critical patent/CN111496521A/en
Publication of CN111496521A publication Critical patent/CN111496521A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P21/00Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/001Article feeders for assembling machines

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Assembly (AREA)

Abstract

The invention relates to the technical field of mechanical automatic assembly, and discloses automatic assembly equipment for a water valve, which comprises a box-type frame, wherein a rotary conveying table is arranged on the box-type frame, a positioning jig for an electronic water valve body is arranged on the rotary conveying table, and a first sealing ring assembly station, a side leather ring assembly station, a valve core assembly station, a round cover welding station, a second sealing ring assembly station, a plug assembly station, a PCB (printed circuit board) assembly station, a laser coding station, a motor assembly station, a gear assembly station, a bottom cover welding station and a comprehensive performance detection station are sequentially arranged along the rotary conveying table; and the rotary conveying table drives the positioning jig to move so as to convey the electronic water valves to each station for assembly. The assembly equipment disclosed by the invention is compact in structure, small in occupied area and remarkably improved in assembly efficiency and assembly yield.

Description

Automatic assembly equipment for water valve
Technical Field
The invention relates to the technical field of mechanical automatic assembly, in particular to automatic assembly equipment for a water valve.
Background
The electronic water valve is an industrial valve actuator and is an automatic basic element for controlling fluid. The device is widely used in devices such as filters, separators and dryers, etc. for adjusting the direction, flow rate, speed and other parameters of media in industrial control systems.
Existing publication (bulletin) No.: the invention patent of CN106041526A (CN106041526B) discloses an electronic drain valve assembling device, and specifically discloses the following technical features: the electronic drain valve assembling equipment comprises a box type frame, a body feeding mechanism, a transposition mechanism, a seal ring feeding mechanism, a rotary valve post feeding mechanism, a ball valve core feeding mechanism, a ball valve switch feeding mechanism, a process seal head feeding mechanism, a seal head seal ring feeding mechanism, an assembling mechanism, a pollution discharge seal cover feeding mechanism and a filter screen feeding mechanism, wherein the body feeding mechanism conveys a body to the transposition mechanism on the rear side of the body feeding mechanism, the seal ring feeding mechanism, the rotary valve post feeding mechanism, the ball valve core feeding mechanism, the ball valve switch feeding mechanism, the process seal head feeding mechanism and the seal head seal ring feeding mechanism convey workpieces to the transposition mechanism in sequence, and the transposition mechanism conveys the assembled workpieces to the assembling mechanism on the front side of the transposition mechanism. Though this scheme can replace artifical automatic completion electronic drain valve's equipment, practices thrift the labour, has reduced manufacturing cost.
But the whole assembly process is more complex, and the floor area of the equipment is larger; the assembly yield is low, and manual detection is needed after assembly is finished, and classification is carried out; resulting in an extended assembly cycle and inefficiency.
Disclosure of Invention
In order to solve the problems, the invention provides automatic assembly equipment for the water valve, which has the advantages of compact structure, small occupied area and remarkably improved assembly efficiency and assembly yield.
In order to achieve the purpose, the invention provides the following technical scheme:
the automatic assembly equipment for the water valve comprises a box type rack and a water valve assembly line mechanism, wherein a rotary conveying table is arranged on the box type rack, and a positioning jig is arranged on the rotary conveying table; the water valve assembly line mechanism comprises a plurality of assembly stations, the assembly stations are sequentially arranged along the rotary conveying table, and the rotary conveying table drives the positioning jig to move so as to convey the water valve body to each station for assembly.
Through adopting above-mentioned technical scheme, lay whole water valve assembly flow line mechanism around the gyration and carry the platform, equipment fixing is convenient, simultaneously, this kind of arrangement has reduced the area of equipment, has improved the utilization ratio in mill's space.
Further, the assembling stations comprise a first sealing ring assembling station, a side leather ring assembling station, a valve core assembling station, a round cover welding station, a second sealing ring assembling station, a plug assembling station, a PCB assembling station, a laser coding station, a motor assembling station, a gear assembling station, a bottom cover welding station and a comprehensive performance detecting station.
Further, first sealing washer assembly station includes the defeated material structure of first sealing washer, and first sealing washer blanking platform, and material mechanism and first sealing washer assembly devices 44 are grabbed to first sealing washer, first sealing washer blanking platform is located the exit end of the defeated material structure of first sealing washer, first sealing washer is grabbed material mechanism and is set up and grab the material in the top of first sealing washer blanking platform, first sealing washer assembly devices 44 is located positioning jig's top is assembled.
By adopting the scheme, the feeding, material conveying, assembling and detecting can be integrally completed, the automation degree is higher, and manual participation is not needed.
Further, the defeated material structure of first sealing washer is including the charging tray that shakes, sharp feeder and the glassware that shakes, shake the charging tray with sharp feeder intercommunication, the glassware that shakes is fixed to be set up the below of sharp feeder.
Further, the first sealing ring blanking table comprises a base station, a sliding groove is formed in the base station, a sliding block is connected in the sliding groove in a sliding mode, a trough is formed in the sliding block, and the trough and the linear feeder are located on the same straight line during blanking; when grabbing materials, the trough is far away from the linear feeder and is close to the first sealing ring grabbing mechanism.
By adopting the scheme, the feeding and the grabbing do not interfere, and the situation that only one sealing ring to be assembled can be arranged in the trough at each time can be ensured.
Furthermore, the side apron assembly station comprises a side apron material conveying structure, a side apron blanking table, a side apron material grabbing mechanism and a side apron assembly mechanism.
Furthermore, a shaping structure is further arranged at the valve core assembling station. By adopting the shaping structure, the first sealing ring assembled in the previous process is flattened, and the phenomenon that the sealing ring is popped up or is not flattened is avoided, so that subsequent assembly is influenced.
Furthermore, the valve core assembly station is also provided with a visual form and position detection structure. And a visual form and position detection structure is arranged to sweep whether the previous process is assembled correctly (the process is important) so as to ensure the assembly yield.
Furthermore, a turning structure is arranged before the second sealing ring assembling station is assembled. Before assembling the second sealing ring, the preorder station finishes assembling a cavity of the electronic water valve; adopt flip structure to overturn 180 with the electron water valve, carry out the assembly of another cavity, likewise need not manual operation, the degree of automation of equipment is higher.
Furthermore, a cooling device is arranged between the bottom cover welding station and the comprehensive performance detection station. And after the bottom cover is welded, cooling treatment is carried out, so that firm welding is ensured, and preparation is made for comprehensive performance detection.
Further, a motor worm buckling station is arranged between the motor assembling station and the gear assembling station and comprises a magnetic ring material warehouse, a material pushing mechanism and a press-mounting mechanism, and after the worm and the magnetic ring are buckled and pressed by the motor worm buckling station, one end of a motor assembled in the electronic water valve body is grabbed by a robot.
Compared with the prior art, the invention has the following beneficial effects:
the automatic assembly equipment has the advantages of higher automation degree and short assembly period, and all stations in the equipment are distributed around the rotary conveying table 2, so that the structure is compact, and the occupied area is small; a plurality of detection stations are arranged in the whole assembly process for detection, so that the assembly is ensured to be correct, and the assembly yield is improved; in addition, the jig can be replaced, and the jig can be suitable for assembling other products.
Drawings
FIG. 1 is a perspective view of an automated assembly apparatus for a water valve according to the present invention;
FIG. 2 is a top plan view of an automated assembly apparatus for a water valve according to the present invention;
FIG. 3 is a schematic structural diagram of a first seal ring assembly station according to the present invention;
FIG. 4 is a side view of a first seal ring assembly station of the present invention;
FIG. 5 is a schematic structural view of a side apron assembling station according to the present invention;
FIG. 6 is a schematic view of a partial structure of a side apron assembling station according to the present invention;
FIG. 7 is a schematic structural diagram of a shaping structure according to the present invention;
FIG. 8 is a schematic structural view of a valve core magazine according to the present invention;
FIG. 9 is a side view of a cartridge magazine of the present invention;
FIG. 10 is a schematic structural diagram of a preliminary inspection station according to the present invention;
FIG. 11 is a schematic structural view of a dome welding station according to the present invention;
FIG. 12 is a schematic structural view of a second seal ring assembly station of the present invention;
FIG. 13 is a schematic structural view of a magazine in a PCB assembly station of the present invention;
FIG. 14 is a schematic structural view of a motor worm withholding station in the present invention;
FIG. 15 is a schematic structural diagram of a comprehensive performance testing station according to the present invention.
In the figure: the device comprises a box type frame 1, a rotary conveying table 2, a positioning jig 3, a first sealing ring assembling station 4, a side leather ring assembling station 5, a valve core assembling station 6, a round cover welding station 7, a second sealing ring assembling station 8, a plug assembling station 9, a PCB assembling station 10, a laser coding station 11, a motor assembling station 12, a gear assembling station 13, a bottom cover welding station 14, a comprehensive performance detecting station 15, a motor worm buckling and pressing station 16, a primary detecting station 17, a cooling device 18, a shaping structure 19, a shaping cylinder 191, a telescopic support 192 and a taper shaping block 193;
first seal ring assembly station 4: the device comprises a first sealing ring conveying structure 41, a material vibrating disc 411, a linear feeder 412, a material vibrating device 413, a first sealing ring blanking table 42, a base table 421, a sliding chute 422, a sliding block 423, a trough 4231, a first sealing ring grabbing mechanism 43, a first sealing ring butting column 431, a first sealing ring transplanting mechanism 432, a first sealing ring rotating cylinder 433 and a first sealing ring assembling mechanism 44;
side apron assembly station 5: the device comprises a side leather collar material conveying structure 51, a side leather collar material dropping platform 52, a side leather collar material grabbing mechanism 53, a side leather collar assembling mechanism 54, a first rotary cylinder 541, a second rotary cylinder 542, a moving compensation cylinder 543, an assembling rod 544, a lifting cylinder 545, a linear guide rail 546, a buffer positioning block 547, a valve body pressing mechanism 548 and a detection device 549;
motor worm withholding station 16: a magnetic ring material storage 161, a material poking mechanism 162 and a press-fitting mechanism 163;
preliminary detection station 17: lifting structure 171, blocking structure 172 and inflation structure 173;
valve core material storage 61: the device comprises a conveying mechanism 611, a valve core full material area 612, a valve core empty material area 613, a valve core assembly area 614, a valve core lifting cylinder I615, a valve core lifting cylinder II 616, a valve core supporting cylinder I617 and a valve core supporting cylinder II 618;
the laser welding structure 71: the laser welding seat 711, the laser welding machine 712 and the laser lifting cylinder 713.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, other embodiments obtained by persons of ordinary skill in the art without any creative effort belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
The first embodiment of the invention:
referring to fig. 1 and 2, the invention provides an automatic assembly device for a water valve, which comprises a box type frame 1 and a water valve assembly line mechanism, wherein a runway type rotary conveying table 2 is arranged on the box type frame 1, a positioning jig 3 is detachably connected to the rotary conveying table 2, and the positioning jig 3 can be detached and replaced to adapt to assembly of products with different specifications; the water valve assembly line mechanism comprises a plurality of assembly stations which are sequentially arranged along the rotary conveying table 2, and the rotary conveying table 2 drives the positioning jig 3 to move so as to convey the water valve body to each station for assembly.
The whole water valve assembly line mechanism is arranged around the rotary conveying table 2, the equipment is convenient to install, meanwhile, the arrangement reduces the occupied area of the equipment, and improves the utilization rate of factory space.
The second embodiment of the invention:
referring to fig. 1-15, the water valve is assembled based on the first embodiment. The automatic assembly equipment of the water valve comprises a box type frame 1, a runner type rotary conveying table 2 is arranged on the box type frame 1, a positioning jig 3 used for clamping a water valve body (namely the water valve shell) is fixed on the rotary conveying table 2, a first sealing ring assembly station 4, a side leather ring assembly station 5, a valve core assembly station 6, a round cover welding station 7, a second sealing ring assembly station 8 and a plug assembly station 9 are sequentially arranged along the rotary conveying table 2. As shown in fig. 1 and 2, the rotary conveying table 2 operates to convey the positioning jig 3 carrying the water valve body to each station for assembly.
The third embodiment of the invention:
referring to fig. 1 to 15, on the basis of the first embodiment, different from the second embodiment, the automatic assembly device for the electronic water valve includes a box-type frame 1, a runway-type rotary conveying table 2 is disposed on the box-type frame 1, a positioning jig 3 for clamping an electronic water valve body (i.e., an electronic water valve housing) is fixed on the rotary conveying table 2, and a first sealing ring assembly station 4, a side leather ring assembly station 5, a valve core assembly station 6, a round cover welding station 7, a second sealing ring assembly station 8, a plug assembly station 9, a PCB assembly station 10, a laser coding station 11, a motor assembly station 12, a gear assembly station 13, a bottom cover welding station 14, and a comprehensive performance detection station 15 are sequentially disposed along the rotary conveying table 2. As shown in fig. 1 and 2, the rotary conveying table 2 operates to convey the positioning jig 3 carrying the electronic water valve body to each station for assembly.
Referring to fig. 3 and 4 in detail, the first seal ring assembling station 4 is described in detail for better understanding and implementation by those skilled in the art. The first sealing ring assembling station 4 comprises a first sealing ring conveying structure 41, a first sealing ring blanking table 42, a first sealing ring grabbing mechanism 43 and a first sealing ring assembling mechanism 44; and the first sealing ring feeding structure 41 includes a vibration tray 411, a linear feeder 412 and a vibration feeder 413. The vibration disc 411 is used for storing a first sealing ring; the linear feeder 412 is communicated with the vibration disc 411 and is used for conveying the first sealing ring from the vibration disc 411 to the first sealing ring blanking table 42; the vibrator 413 is fixedly connected below the linear feeder 412 through a bracket. The first seal ring grabbing mechanism 43 grabs the first seal ring from the first seal ring blanking table 42, and transfers the first seal ring to the first seal ring assembling mechanism 44 for assembling. First sealing washer is grabbed material mechanism 43 and is included first sealing washer butt joint post 431, first sealing washer transplanting mechanism 432, first sealing washer butt joint post 431 fixed connection is on first sealing washer gyration cylinder 433, fixed connection is at first sealing washer transplanting mechanism 432 on first sealing washer gyration cylinder 433, first sealing washer transplanting mechanism 432 includes a slide, after first sealing washer is inhaled to first sealing washer butt joint post 431, first sealing washer transplanting mechanism 432 is kept away from first sealing washer blanking platform 42 and is carried the platform 2 to the gyration and be close to, first sealing washer assembly devices 44 is independently located the top of revolving and carry platform 2, first sealing washer butt joint post 431 gives first sealing washer assembly devices 44, first sealing washer assembly devices 44 is with first sealing washer assembly into this internal electron water valve.
Specifically, the first sealing ring blanking table 42 includes a base 421, a chute 422 is formed on the base 421, a sliding block 423 is slidably connected in the chute 422, a trough 4231 is formed on the sliding block 423, and during blanking, the trough 4231 and the linear feeder 412 are located on the same straight line; when the material is grabbed, the trough 4231 is far away from the linear feeder 412 and approaches to the first sealing ring grabbing mechanism 43. Preferably, the slide 423 is driven by a pneumatic cylinder to move along a linear slide within the slide channel 422.
In addition, the first sealing ring material grabbing mechanism 43 is preferably a rotary cylinder, and under normal conditions, the first sealing ring material grabbing mechanism 43 is level with the first linear feeder 412 and is in a horizontal state, so that the influence on the work of the first sealing ring blanking table 42 is avoided; when the first seal ring blanking table 42 moves the first seal ring from the outlet position of the first linear feeder 412 to the position of the trough 4231 which is convenient to clamp, the first seal ring grabbing mechanism 43 rotates to grab (suck) the first seal ring vertically downwards, then the first seal ring is rotated and reset, the first seal ring transplanting mechanism 432 conveys the first seal ring to the first seal ring assembling mechanism 44, and the first seal ring assembling mechanism 44 assembles the first seal ring into the valve body.
Referring to fig. 5 and 6 in detail, the side apron assembly station 5 is described in detail for better understanding and implementation by those of ordinary skill in the art. Side leather collar assembly station 5 is similar with the assembling process of above-mentioned first sealing washer, and it includes side leather collar defeated material structure 51, and side leather collar blanking platform 52, side leather collar grab material mechanism 53 and side leather collar assembly devices 54, and side leather collar assembly devices 54 sets up to rotary mechanism, and the side leather collar that grabs material mechanism 53 with the side leather collar rotates 90 respectively, 180, turns 90 degrees and so on in proper order again, carries out the side sealing washer assembly of four exports on the valve body. Specifically, the rotating mechanism is preferably a rotating cylinder, and an assembling rod is connected to the rotating cylinder; in the assembling process, the two rotary cylinders are overlapped to realize the positioning of the assembling rod carrying side leather ring at 0 degree, 90 degrees, 270 degrees and 360 degrees; the specific side leather ring assembling mechanism 54 comprises a first rotary air cylinder 541 and a second rotary air cylinder 542, and the second rotary air cylinder 542 is fixedly positioned on the first rotary air cylinder 541 through a connecting plate. The side-ring mounting mechanism 54 is further provided with a displacement compensation cylinder 543, and a mounting rod 544 is mounted below the displacement compensation cylinder 543. The compensation moving cylinder 543 supplements the embedding depth of the side leather ring, and meanwhile, the interference between the assembling rod 544 and the electronic water valve body is avoided in the assembling process; the side apron assembling mechanism 54 is driven by the lifting cylinder 545, a linear guide rail 546 is arranged on one side of the lifting cylinder 545, the side apron assembling mechanism 54 is connected to the linear guide rail 546 in a sliding mode, and the lifting cylinder 545 drives the side apron assembling mechanism 54 to move back and forth along the linear guide rail 546, so that the assembling rod 544 is driven to lift up and down to enter and exit the valve body. In order to avoid an excessive impact of the elevation cylinder 545, a buffer positioning block 547 is provided at one side of the elevation cylinder 545.
In order to prevent the valve body from generating displacement during the assembly process to cause defects, a valve body pressing mechanism 548 is arranged on one side of the assembly rod 544 and below the displacement compensation cylinder 543, and during the assembly process, the valve body is fixed and lifted into the valve body and is driven by the lifting cylinder 545.
In order to ensure the assembly yield, a detection device 549 is further disposed on one side of the side apron assembling mechanism 54, and the optical fiber is used for detecting the loading and assembling conditions of the side apron.
Wherein, the material conveying structure 51 of the side leather collar is the same as the material conveying structure 41 of the first sealing ring, the material is supplied through the vibration disc, the linear feeder is conveyed to the blanking table, and then the material grabbing mechanism grabs the material, and then the transplanting mechanism is transplanted to the assembly rod of the assembly mechanism, so as to realize the assembly of the side leather collar, which is not repeated herein.
Referring to fig. 7, in addition, a shaping structure 19 is further arranged before the valve core assembling station 6, so that the first sealing ring assembled in the previous process is flattened, and the sealing ring is prevented from popping up or not being flattened, thereby further influencing subsequent assembly; specifically, a lifting structure with taper rotation is adopted, the lifting structure is pressed downwards into a cavity for assembling the first sealing ring, the conical surface is in contact with the assembled first sealing ring, shaping or pre-pressing is carried out, and qualified assembly is guaranteed. Specifically, the shaping structure 19 comprises a shaping cylinder 191 and a telescopic bracket 192 connected with the shaping cylinder 191, wherein a taper shaping block 193 is fixed at one end of the telescopic bracket 192 far away from the shaping cylinder 191, and the taper shaping block 193 moves up and down along with the shaping cylinder 191 so as to enter and exit the valve body.
Referring to fig. 8 and 9 in detail, the above-described valve core assembly station 6 will be described in detail for better understanding and implementation by those of ordinary skill in the art. The valve core assembling station 6 comprises a valve core material warehouse 61 and a valve core assembling robot. The valve core material warehouse 61 realizes automatic material supply, a material disc provided with the valve core is conveyed to a position close to the valve core assembling robot, and the robot rotates after grabbing, so that the valve core is assembled in the electronic water valve body in a rotating mode. The valve core is provided with an error-proof notch, so that on one hand, the valve core is prevented from being misplaced and not installed; on the other hand, assembly errors are prevented, and subsequent assembly is influenced.
Specifically, the valve core material storage 61 comprises conveying mechanisms 611 located on two sides of the material tray, a valve core full material area 612, a valve core empty material area 613 and a valve core assembly area 614 are arranged on the valve core conveying mechanisms 611, a valve core lifting cylinder first 615 is arranged below the valve core full material area 612, a valve core lifting cylinder second 616 is arranged below the valve core empty material area 613, valve core supporting cylinders first 617 and valve core supporting cylinders second 618 are arranged on two sides of the valve core full material area 612, and the valve core supporting cylinders second 618 are arranged on two sides of the valve core empty material area 613; normally, the first spool support cylinder 617 and the second spool support cylinder 618 are both in an extended state; the first lifting cylinder 615 and the second lifting cylinder 616 are both in a contraction state. When feeding, a material tray provided with the valve core is manually placed in the valve core full material area 612 to be stacked for several layers, then the valve core conveying mechanism 611 works, the lifting cylinder I615 extends out to be connected to the material tray provided with the valve core, the valve core supporting cylinder I617 contracts, and the lifting cylinder I615 contracts to place the material tray on the valve core conveying mechanism 611 and convey the material tray to the valve core assembling area 614. When the empty trays are collected, the trays are conveyed to the valve core empty area 613 from the valve core assembly area 614, then the valve core supporting cylinder II 618 contracts, the lifting cylinder II 616 extends out to be connected to the empty trays, the empty trays are pushed upwards to pass through the position of the valve core supporting cylinder II 618, the valve core supporting cylinder II 618 extends out to be connected, the lifting cylinder II 616 resets, automatic stacking of the empty trays is achieved, and after the trays are collected for a certain number of layers, workers collect the empty trays.
In addition, visual form and position detection structures are further arranged around the valve core assembling station 6, and the visual system fixed in installation is used for sweeping to detect the form and position sizes of the threaded hole, the pipe joint and the like of the electronic water valve body and detect whether the sealing element is in place or not so as to avoid influencing the assembly of subsequent stations. And automatically rejecting the part after the part is unqualified, and alarming for prompting when 3 parts are unqualified in continuous detection.
Referring to fig. 10, in addition, the air tightness is initially detected through the initial detection station 17 after the valve core is assembled, so that the assembly of the former station is ensured to be correct. The primary detection station 17 specifically comprises a lifting structure 171, a blocking structure 172 and an inflating structure 173; the blocking structure 172 is located on the lifting structure 171, the blocking structure 172 is arranged around the electronic water valve body to be detected in a surrounding mode through the lifting structure 171, the blocking structure 172 blocks an outlet of the electronic water valve body, and the inflating structure 173 inflates the electronic water valve body to detect whether sealing is completed or not, so that the phenomenon of air leakage exists or not. Specifically, the lifting structure is preferably a lifting cylinder, a mounting plate is fixed on a piston rod of the cylinder, guide rods are further arranged on two sides of the piston rod and abut against the mounting plate, and the cylinder works to push the mounting plate to move up and down; the plugging structure is preferably four cylinders arranged on the mounting plate in a circumferential array mode, and sealing plugs for initial inspection are fixed to the end portions of piston rods of the cylinders respectively. When the electronic water valve body is detected, the four outlets of the electronic water valve body are blocked by the sealing plugs, the air inflation structure is preferably an air cylinder connected with an air pipe, and air inflation is carried out in the electronic water valve body to carry out tightness detection. Ensuring that the preorder processes are correctly assembled so as to avoid influencing subsequent assembly and improving the yield of assembly.
Referring to fig. 11 in detail, the dome welding station 7 is described in detail for better understanding and implementation by those of ordinary skill in the art. The dome welding station 7 comprises a dome feeding structure, a dome assembling structure and a laser welding structure 71. Wherein the defeated material structure of dome is the same with the defeated material structure 51 of above-mentioned side leather collar, does not describe here in detail, also through the charging tray feed that shakes, and the blanking platform is carried to sharp feeder, then grabs after material mechanism snatchs, transplants and transplants mechanism and give assembly devices and assemble. After the round cover assembly structure is assembled with the round cover, the laser welding structure is welded and fixed, and it needs to be explained that the round cover conveying structure is located on the outer side of the rotary conveying table, and the laser welding structure is located on the inner side of the rotary conveying table. The laser welding structure 71 includes a laser welding holder 711, a laser welding machine 712, and a laser lift cylinder 713.
The laser lifting cylinder 713 is fixedly installed on the laser welding seat 711, and the lifting control laser welding machine 712 is close to or far away from the valve body to be welded, so that the valve body is welded. In the welding process, the electronic water valve body with the assembled round cover is positioned under the laser welding machine, and the laser welding machine is close to and emits light to realize welding.
Referring to fig. 12 in detail, the second gasket assembly station 8 is described in detail for better understanding and implementation by those of ordinary skill in the art. The second seal ring assembling station 8 has the same structure as the first seal ring assembling station 4. The difference is that before the second sealing ring assembling station 8 is performed, the electronic water valve needs to be turned by 180 degrees, so that a turning structure (reference numeral in the figure) is arranged, the turning structure is arranged opposite to the second sealing ring assembling station 8, namely, the turning structure is arranged on the inner side of the rotary conveying table, and before the second sealing ring is assembled, the turning structure completes the 180-degree turning of the electronic water valve body through the combination of the clamping cylinder, the lifting cylinder and the rotating cylinder.
Wherein, the in-process of assembly second sealing washer needs the fat liquoring, and is concrete, second sealing washer assembly station 8 grab material mechanism and draw the second sealing washer and scribble the fat liquoring (including the expand tube the inside be provided with oiling passageway), more specifically adopt to push away the oil cylinder and release the oiling axle, let oiling axle go out outer ring cover 3-4mm, the inside processing oil groove of oiling axle, thereby lubricating grease extrudes through inside oiling mouth and reaches second sealing washer inner wall oil storage state, when the second sealing washer spalls the in-process, wipe the lubricating grease of oiling mouth.
After the second sealing ring is assembled, the plug assembly is needed, and the plug assembly is used for preventing the assembled second sealing ring from falling or popping. The structure of the plug assembling station 9 is the same as that of the second seal ring assembling station 8, and includes a plug material conveying structure and a plug assembling structure, and the plug material conveying structure is the same as all the material conveying structures, which is not described herein again. The plugs are fed through the vibration disc, the separating mechanism independently pushes out the plugs, and the plug assembling structure grabs and absorbs to assemble.
Referring to fig. 1 and 13 in detail, the PCB assembly station 10 is described in detail for better understanding and implementation by those of ordinary skill in the art. The PCB assembly station 10 comprises a PCB material warehouse and an assembly robot, and when the electronic water valve body is conveyed to the PCB assembly station 10, the assembly robot grabs and assembles the PCB into the electronic water valve body from the material warehouse; after the PCB is assembled, the PCB is screwed by the combination of the electric screwdriver and the robot to realize fixation.
In addition, after the PCB is assembled, the PCB enters a laser coding station 11, the assembled electronic water valve is coded and marked (a two-dimensional code is printed), the later-stage tracking is facilitated, the laser coding station 11 comprises a laser coding machine, and the coding and marking are carried out in the process that the rotary conveying table 2 bears the movement of the electronic water valve body.
Referring to fig. 1 and 2 in detail, the motor assembly station 12 is described in detail for better understanding and implementation by those of ordinary skill in the art. The motor assembling station 12 comprises a motor material library and a motor assembling robot, the motor material library conveys the motor to a position to be assembled, and the electronic water valve body is conveyed to the motor assembling station 12; the motor assembling robot clamps the motor to be assembled and presses the motor into the electronic water valve body. The structure of the motor magazine is identical to that of the valve core magazine 61, and the motor magazine can be understood with reference to the specific structure of the valve core magazine 61 shown in fig. 8 and 9.
Referring to fig. 14, after the motor is assembled, the rotary conveying table 2 drives the electronic water valve body to move to the motor worm buckling and pressing station 16, the magnetic ring is buckled and pressed on the motor worm, and after the assembly is completed, the robot is grabbed and embedded into the electronic water valve body to achieve the installation of the motor worm.
Referring to fig. 1 and 2, the gear assembly station 13 is described in detail to provide a better understanding and implementation for those skilled in the art. The gear assembly station 13 comprises a gear conveying structure and a gear assembly robot, wherein the gear conveying structure comprises a plurality of gear conveying structures which are arranged in parallel; the material conveying structures of the plurality of gears are completely the same as the material conveying structures, and how the material conveying structures of the gears convey materials can be understood by the material conveying structures of the first sealing ring with reference to the attached drawing 3.
Referring to fig. 1 and 2, the bottom cover welding station 14 is described in detail to provide a better understanding and implementation for those skilled in the art. The bottom cover welding station 14 includes a bottom cover feeding structure and a bottom cover assembling mechanism, wherein the bottom cover feeding structure is the same as the feeding structure, which is not described herein.
Referring to fig. 1 and 11-15, the above-described integrated performance inspection station 15 is described in detail for better understanding and implementation by those of ordinary skill in the art. Comprehensive properties detects station 15 and includes material loading robot and detection device, and the material loading robot is placed the electron water valve body that assembles and is leaked in the enterprising and outsidely on detection device, leakproofness and electronic control's detection. The detection process is similar to the initial detection process, four outlets of the electronic water valve body are blocked, then the air is ventilated to carry out inner and outer leakage and tightness detection, and then the electronic water valve body is connected with a professional detection device to realize detection in the aspect of electronic control.
The working principle and the process of the invention are as follows:
firstly, a robot feeds an electronic water valve body onto a positioning jig 3 of a runway-type rotary conveying table 2, the rotary conveying table 2 intermittently rotates, and the electronic water valve body loaded with the electronic water valve body to be assembled is moved to a position of a first sealing ring assembling station 4 for assembly. In the assembly process of the first sealing ring assembly station 4, the vibration disc 411 conveys the first sealing ring to the first sealing ring blanking table 42 through the linear feeder 412, when the first sealing ring blanking table 42 moves the first sealing ring to the grabbing position convenient for clamping from the outlet position of the first linear feeder 412, the first sealing ring grabbing mechanism 43 rotates, the first sealing ring is grabbed vertically downwards, then the first sealing ring is rotationally reset, the first sealing ring is conveyed to the first sealing ring assembly mechanism 44, and the first sealing ring assembly mechanism 44 assembles the first sealing ring to the valve body.
After the first sealing ring is assembled, the rotary conveying table 2 moves to convey the electronic water valve body to the side leather ring assembling station 5, and the material conveying process is the same as the first sealing ring assembling process; before assembling the side leather rings, the shaping structure 19 works to shape the first sealing ring; after the shaping is completed, the side apron feeding structure 51 conveys the side apron to the side apron blanking table 52, the side apron grabbing mechanism 53 grabs the side apron and conveys the side apron to the side apron assembling mechanism 54 for assembling, after one side apron is assembled, the side apron assembling mechanism 54 needs to rotate 90 degrees and 180 degrees respectively, then rotates 90 degrees and repeats the analogy in sequence, and the side apron is assembled at four outlets of the electronic water valve body.
After the side leather ring is assembled, the rotary conveying table 2 moves to convey the electronic water valve body to the valve core assembling station 6, and the robot grabs the valve core from the material warehouse with the valve core and assembles the valve core in the electronic water valve body. Visual form and position detection structures are further arranged around the valve core assembling station 6, and the visual form and position detection structures are swept by a visual system to check whether the valve core is reversely mounted or wrongly mounted so as to avoid influencing the assembly of subsequent stations. In addition, the air tightness is preliminarily detected through a preliminary detection station 17 after the valve core is assembled, so that the assembly of the preliminary station is ensured to be correct.
After the preliminary detection is finished, the rotary conveying table 2 moves to convey the electronic water valve body to a round cover welding station 7 for round cover assembly and laser welding.
After the round cover is welded, the rotary conveying table 2 moves to convey the electronic water valve body to a second sealing ring assembling station 8, before second sealing ring assembling is carried out, the electronic water valve body is firstly turned over for 180 degrees, and the other side of the electronic water valve body is installed in a relative preorder process. The assembling process of the second sealing ring is the same as that of the first sealing ring, and the repeated description is omitted.
And after the oiling is assembled, the rotary conveying table 2 moves to convey the electronic water valve body to the plug assembling station 9, so that the plug is assembled, and the second sealing ring is prevented from jumping out.
After the plug is assembled, the rotary conveying table 2 moves to convey the electronic water valve body to the PCB assembly station 10 for assembly, and the PCB assembly robot grabs the PCB to be buckled in the electronic water valve body and fixes the PCB by screws; after the fixation is finished, the rotary conveying table 2 moves to convey the electronic water valve body to the laser coding machine for coding and marking.
After the PCB assembly is completed, the rotary conveying table 2 moves to convey the electronic water valve body to the motor assembly station 12 for motor buckling, and a motor worm with a magnetic ring is assembled after the motor buckling.
After the motor is assembled, the rotary conveying table 2 moves to convey the electronic water valve body to the gear assembling station 13, and a plurality of gears are sequentially installed.
After the gear assembly is completed, the rotary conveying table 2 moves to convey the electronic water valve body to the bottom cover welding station 14 for bottom cover assembly and welding, and after the welding is completed, the electronic water valve body moves to the position below the cooling device along with the rotary conveying table 2 to be cooled.
And after cooling, the detection robot places an assembled electronic water valve on a detection station for air tightness detection and inner and outer leakage detection, and after detection, the assembly of the electronic water valve is completed.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided" and "connected" are to be interpreted broadly, e.g. as a fixed connection, a detachable connection or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention. It is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. The utility model provides an automatic rigging equipment of water valve, includes box frame (1), its characterized in that: the device is characterized by also comprising a water valve assembly line mechanism, wherein a rotary conveying table (2) is arranged on the box type frame (1), and a positioning jig (3) is arranged on the rotary conveying table (2); the water valve assembly line mechanism comprises a plurality of assembly stations, the assembly stations are sequentially arranged along the rotary conveying table (2), and the rotary conveying table (2) drives the positioning jig (3) to move to convey the water valve body to each station for assembly.
2. The automated assembly apparatus for water valves of claim 1, wherein: the assembling station comprises a first sealing ring assembling station (4), a side leather ring assembling station (5), a valve core assembling station (6), a round cover welding station (7), a second sealing ring assembling station (8), a plug assembling station (9), a PCB assembling station (10), a laser coding station (11), a motor assembling station (12), a gear assembling station (13), a bottom cover welding station (14) and a comprehensive performance detecting station (15).
3. The automated assembly apparatus for water valves of claim 2, wherein: first sealing washer assembly station (4) are including first sealing washer defeated material structure (41), first sealing washer blanking platform (42), and material mechanism (43) and first sealing washer assembly devices 44(44) are grabbed to first sealing washer, first sealing washer blanking platform (42) are located the exit end of first sealing washer defeated material structure (41), first sealing washer is grabbed material mechanism (43) and is set up the top of first sealing washer blanking platform (42) and grab the material, first sealing washer assembly devices 44(44) are located the top of positioning jig (3) is assembled.
4. An automated assembly apparatus for a water valve as claimed in claim 3, wherein: defeated material structure (41) of first sealing washer is including shaking charging tray (411), sharp feeder (412) and shake glassware (413), shake charging tray (411) with sharp feeder (412) intercommunication, shake glassware (413) and fix the setting in the below of sharp feeder (412).
5. The automated assembly apparatus of water valves of claim 4, wherein: the first sealing ring blanking table (42) comprises a base table (421), a sliding groove (422) is formed in the base table (421), a sliding block (423) is connected in the sliding groove (422) in a sliding mode, a trough (4231) is formed in the sliding block (423), and the trough (4231) and the linear feeder (412) are located on the same straight line during blanking; when the material is grabbed, the material groove (4231) is far away from the linear feeder (412) and approaches to the first sealing ring grabbing mechanism (43).
6. The automated assembly apparatus for water valves of claim 2, wherein: the side apron assembly station (5) comprises a side apron material conveying structure (51), a side apron blanking table (52), a side apron material grabbing mechanism (53) and a side apron assembly mechanism (54).
7. The automated assembly apparatus for water valves of claim 2, wherein: the valve core assembling station (6) is also provided with a shaping structure (19) and a visual form and position detecting structure.
8. The automated assembly apparatus for water valves of claim 2, wherein: and a turnover structure is arranged before the second sealing ring assembling station (8) is assembled.
9. The automated assembly apparatus for water valves of claim 2, wherein: and a cooling device is arranged between the bottom cover welding station (14) and the comprehensive performance detection station (15).
10. The automated water valve assembly apparatus of claim 9, wherein: a motor worm withholding station (16) is arranged between the motor assembling station (12) and the gear assembling station (13), and the motor worm withholding station (16) comprises a magnetic ring material warehouse (161), a material poking mechanism (162) and a press-fitting mechanism (163).
CN202010367501.9A 2020-04-30 2020-04-30 Automatic assembly equipment for water valve Pending CN111496521A (en)

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CN202010367501.9A CN111496521A (en) 2020-04-30 2020-04-30 Automatic assembly equipment for water valve

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Application Number Priority Date Filing Date Title
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112605652A (en) * 2020-12-07 2021-04-06 杭州徐睿机械有限公司 Operation method of semi-automatic assembly detection line of thermal management valve
CN112756966A (en) * 2020-12-30 2021-05-07 杭州中久自控***有限公司 Assembly equipment for water valve control head
CN112846713A (en) * 2021-01-05 2021-05-28 无锡威孚施密特动力***零部件有限公司 Manufacturing equipment and manufacturing method of oxygen sensor seat assembly
CN113245831A (en) * 2021-04-26 2021-08-13 宝腾智能润滑技术(东莞)有限公司 Automatic assembly line for volumetric distributor
CN114210576A (en) * 2021-11-08 2022-03-22 广东科学技术职业学院 Intelligent gear sorting system
CN115383458A (en) * 2021-06-03 2022-11-25 深圳市高晟智能装备有限公司 Water tap assembling and testing equipment
CN116967761A (en) * 2023-09-20 2023-10-31 无锡华纳医疗科技有限公司 Automatic production equipment for carbon dioxide absorber

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004142014A (en) * 2002-10-24 2004-05-20 Fuji Heavy Ind Ltd Piston circlip fitting inspection device
CN105499991A (en) * 2016-01-15 2016-04-20 宁波新邦工具有限公司 Rotating disc type rapid connector assembling machine
CN106002161A (en) * 2016-07-18 2016-10-12 苏州市吴中区胥口广博模具加工厂 Electronic drain valve core assembling machine
CN106041526A (en) * 2016-07-27 2016-10-26 苏州市吴中区胥口广博模具加工厂 Assembly equipment for electronic drain valve
CN107127575A (en) * 2017-07-03 2017-09-05 温岭市伊科自动化设备有限公司 jet pump automatic assembly line
CN107225398A (en) * 2017-07-31 2017-10-03 台州云造智能科技有限公司 Block O-ring automatic assembling and vision inspection apparatus
CN107717443A (en) * 2017-10-23 2018-02-23 中国计量大学 Pilot valve automatic assembling and detection device
CN108747358A (en) * 2018-08-15 2018-11-06 江苏北人机器人***股份有限公司 Valve body automatic assembly line
CN109290792A (en) * 2018-11-02 2019-02-01 山东红宝自动化有限公司 A kind of Inner part of water valve automated assembly line
CN109940382A (en) * 2019-03-29 2019-06-28 宁波英特灵气动科技有限公司 A kind of throttle valve production line for automatically assembling
CN212398774U (en) * 2020-04-30 2021-01-26 杭州中久自控***有限公司 Automatic assembly equipment for water valve

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004142014A (en) * 2002-10-24 2004-05-20 Fuji Heavy Ind Ltd Piston circlip fitting inspection device
CN105499991A (en) * 2016-01-15 2016-04-20 宁波新邦工具有限公司 Rotating disc type rapid connector assembling machine
CN106002161A (en) * 2016-07-18 2016-10-12 苏州市吴中区胥口广博模具加工厂 Electronic drain valve core assembling machine
CN106041526A (en) * 2016-07-27 2016-10-26 苏州市吴中区胥口广博模具加工厂 Assembly equipment for electronic drain valve
CN107127575A (en) * 2017-07-03 2017-09-05 温岭市伊科自动化设备有限公司 jet pump automatic assembly line
CN107225398A (en) * 2017-07-31 2017-10-03 台州云造智能科技有限公司 Block O-ring automatic assembling and vision inspection apparatus
CN107717443A (en) * 2017-10-23 2018-02-23 中国计量大学 Pilot valve automatic assembling and detection device
CN108747358A (en) * 2018-08-15 2018-11-06 江苏北人机器人***股份有限公司 Valve body automatic assembly line
CN109290792A (en) * 2018-11-02 2019-02-01 山东红宝自动化有限公司 A kind of Inner part of water valve automated assembly line
CN109940382A (en) * 2019-03-29 2019-06-28 宁波英特灵气动科技有限公司 A kind of throttle valve production line for automatically assembling
CN212398774U (en) * 2020-04-30 2021-01-26 杭州中久自控***有限公司 Automatic assembly equipment for water valve

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112605652A (en) * 2020-12-07 2021-04-06 杭州徐睿机械有限公司 Operation method of semi-automatic assembly detection line of thermal management valve
CN112756966A (en) * 2020-12-30 2021-05-07 杭州中久自控***有限公司 Assembly equipment for water valve control head
CN112846713A (en) * 2021-01-05 2021-05-28 无锡威孚施密特动力***零部件有限公司 Manufacturing equipment and manufacturing method of oxygen sensor seat assembly
CN113245831A (en) * 2021-04-26 2021-08-13 宝腾智能润滑技术(东莞)有限公司 Automatic assembly line for volumetric distributor
CN115383458A (en) * 2021-06-03 2022-11-25 深圳市高晟智能装备有限公司 Water tap assembling and testing equipment
CN115383458B (en) * 2021-06-03 2023-10-20 深圳市高晟智能装备有限公司 Tap equipment test equipment
CN114210576A (en) * 2021-11-08 2022-03-22 广东科学技术职业学院 Intelligent gear sorting system
CN116967761A (en) * 2023-09-20 2023-10-31 无锡华纳医疗科技有限公司 Automatic production equipment for carbon dioxide absorber
CN116967761B (en) * 2023-09-20 2024-02-09 无锡华纳医疗科技有限公司 Automatic production equipment for carbon dioxide absorber

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