CN111644841B - Solenoid valve booster valve assembly quality - Google Patents
Solenoid valve booster valve assembly quality Download PDFInfo
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- CN111644841B CN111644841B CN202010403973.5A CN202010403973A CN111644841B CN 111644841 B CN111644841 B CN 111644841B CN 202010403973 A CN202010403973 A CN 202010403973A CN 111644841 B CN111644841 B CN 111644841B
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- filter screen
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- seat
- press
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines 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
- B23P21/004—Machines 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 the units passing two or more work-stations whilst being composed
- B23P21/006—Machines 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 the units passing two or more work-stations whilst being composed the conveying means comprising a rotating table
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines 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
- B23P19/001—Article feeders for assembling machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines 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
- B23P19/001—Article feeders for assembling machines
- B23P19/006—Holding or positioning the article in front of the applying tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines 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
- B23P19/001—Article feeders for assembling machines
- B23P19/007—Picking-up and placing mechanisms
Abstract
The invention provides an electromagnetic valve booster valve assembling device, and relates to automatic workpiece assembling equipment. The problem that a solenoid valve pressure increasing valve is difficult to assemble automatically in the prior art is solved. The electromagnetic valve booster valve assembling device comprises an assembling station platform, a feeding and discharging device, a workpiece conveying device and a detecting device, wherein an assembling turntable is arranged on the assembling station platform, workpiece trays are circumferentially distributed on the assembling turntable, the workpiece trays are connected to the assembling turntable through elastic supporting mechanisms capable of floating up and down, and workpiece positioning holes are formed in the workpiece trays. The invention is made into an integrated device according to the assembly process of parts, and improves the time for independently assembling and detecting the current booster valve filter screen parts. The utility model provides a collect automatic feeding, assembly, detect function in device of an organic whole, realize the rotation of booster valve filter screen subassembly assembly six processes stations through high accuracy location carousel platform and switch, utilize the manipulator to realize the upper and lower material of subassembly.
Description
Technical Field
The invention belongs to the technical field of workpiece assembly, and relates to an assembly device for a booster valve of an electromagnetic valve.
Background
An Anti-lock Brake System (ABS) for an automobile applies different optimal braking forces to each wheel according to the frictional force between a tire and a road surface during the running of the automobile, and generally adopts a method of controlling the braking pressure of a wheel hub to achieve the purpose of braking. The ABS adopts the switch of the electromagnetic valve to realize the regulation of the automobile brake pressure so as to control the running stability of the automobile, prevent the phenomena of sideslip, tail flicking and the like caused by locking of automobile wheels and ensure the running stability of the automobile. The pressure increasing valve assembly of the ABS electromagnetic valve comprises a filter screen seat, a steel ball, an end face filter screen and an annular filter screen. At the present stage, an independent steel ball feeding mechanism and a steel ball filter screen assembling mechanism are arranged on the market, but a device which integrates automatic feeding, assembling and detecting functions of parts of a booster valve filter screen assembly into a whole is not realized.
Therefore, it is very necessary to provide an automatic, intelligent, integrated, fast, efficient and accurate assembling device for the pressure increasing valve of the electromagnetic valve.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an electromagnetic valve pressure increasing valve assembling device which realizes the automation of assembling of a pressure increasing valve component.
The purpose of the invention can be realized by the following technical scheme: an electromagnetic valve booster valve assembling device comprises an assembling station platform, a feeding and discharging device, a workpiece conveying device and a detecting device, wherein an assembling turntable is arranged on the assembling station platform, workpiece trays are circumferentially distributed on the assembling turntable, the workpiece trays are connected to the assembling turntable through an elastic supporting mechanism capable of floating up and down, and workpiece positioning holes are formed in the workpiece trays; a filter screen seat feeding positioning device, a steel ball feeding machine, a steel ball press-mounting device, a sealing and reverse flow detection device, an end face filter screen press-mounting device and an annular filter screen press-mounting device are respectively arranged on the corresponding workpiece tray; the filter screen seat feeding and positioning device is a probe which is arranged below the assembly turntable and corresponds to the workpiece positioning hole; the steel ball feeding machine comprises a funnel-shaped storage bin for containing steel balls, an ejector rod is inserted upwards from the bottom in the middle, the upper end of the ejector rod is an ejector head, the top end of the ejector head is provided with a pit capable of bearing the steel balls, and a grabbing head capable of grabbing the steel balls is arranged above the pit; the steel ball press-mounting device comprises a press-mounting head and a workpiece fixing shaft, wherein the press-mounting head is positioned above the workpiece positioning hole and used for downwards jacking the steel balls, the workpiece fixing shaft is positioned below the workpiece positioning hole, and the top end of the workpiece fixing shaft is used for dragging the workpiece in the workpiece positioning hole; the device for detecting the sealing performance and the reverse flow comprises an upper plugging head and a lower plugging head which are positioned at the upper side and the lower side of a workpiece tray, wherein the upper plugging head and the lower plugging head are respectively provided with an airflow channel communicated with a filter screen seat, and the upper plugging head and the lower plugging head are respectively communicated with a low-pressure leak detector and a flow sensor through the airflow channels; the end face filter screen press-mounting device comprises a first press head capable of grabbing the end face filter screen and a second press head for pressing the end face filter screen downwards, four holes matched with four columns of the end face filter screen are formed in the end face of the first press head, and the first press head is controlled by a moving mechanism to move the end face filter screen from the feeding device to a filter screen seat on a workpiece positioning hole; the annular filter screen press-fitting device 12 comprises a downward pressing plug positioned above the workpiece feeding positioning module.
In some embodiments, the workpiece feeding device is a vibrating tray feeding device, a workpiece feeding positioning module is disposed at an outlet of a straight vibrating guide rail of the vibrating tray, the workpiece feeding positioning module includes a workpiece moving block controlled by a moving device, a workpiece hole corresponding to the outlet of the straight vibrating guide rail is disposed on the workpiece moving block, and the workpiece moving block moves to move a workpiece coming out of the straight vibrating guide rail away.
In some embodiments, a loading robot is included that includes a gripper head that uses negative pressure to grip a workpiece.
In some embodiments, the device further comprises a visual detection device for detecting when the mechanical arm grabs the filter screen seat; and detecting the grabbing angle of the workpiece.
In some embodiments, the automatic blanking device further comprises a finished product blanking slideway, and a baffle plate capable of controlling the slideway to open and close is arranged on the finished product blanking slideway.
In some embodiments, mechanisms for jacking the workpiece are arranged at the upper side and the lower side of the workpiece tray, and when the tool bottom plate is pressed down by the jacking mechanism at the upper side, the workpiece in the workpiece positioning hole can be contacted with the jacking mechanism at the lower side after moving down.
In some embodiments, a workpiece orientation detection device is provided for each station.
Compared with the prior art, this solenoid valve booster valve assembly quality has following advantage:
the invention is made into an integrated device according to the assembly process of parts, and improves the time for independently assembling and detecting the current booster valve filter screen parts. The utility model provides a collect automatic feeding, assembly, detect function in device of an organic whole, realize through high accuracy location carousel platform that the rotation between six process stations of booster valve filter screen subassembly assembly switches, utilize the manipulator to realize the upper and lower unloading of subassembly, real-time detection subassembly sealing performance and flow performance, detect subassembly assembly quality, carry out booster valve filter screen subassembly's automatic assembly, the in-process detects the pressure equipment quality. The automatic grabbing of the components is realized through the mechanical arm, the accurate positioning is realized through the positioning device, the fitting press fitting is realized through the dynamic self-adaptive press fitting device, the performance of assembling semi-finished products is detected on line in the assembling process, the qualified rate of workpieces is improved, and the production efficiency is improved.
Drawings
In the drawings, which are not necessarily drawn to scale, like reference numerals may describe similar components in different views. Like reference numerals having different letter suffixes may represent different examples of similar components. The drawings illustrate generally, by way of example, but not by way of limitation, various embodiments discussed herein.
FIG. 1 is a schematic cross-sectional view of a booster valve;
FIG. 2 is an exploded schematic view of a pressurization valve;
FIG. 3 is a schematic diagram of the structure of the apparatus of the present invention;
FIG. 4 is a schematic structural view of an assembly carousel;
FIG. 5 is a schematic view of a workpiece tray;
FIG. 6 is a schematic cross-sectional view at the assembly carousel;
FIG. 7 is an enlarged schematic view at A in FIG. 6;
FIG. 8 is a schematic view of a robotic arm;
FIG. 9 is a schematic view of the structure of the grasping portion of the robot arm;
FIG. 10 is a schematic view of a vibrating disk of a strainer base;
FIG. 11 is a schematic view of a visual support;
FIG. 12 is a schematic view of a screen base loading and positioning device;
FIG. 13 is a schematic structural view of a steel ball feeder;
FIG. 14 is a schematic front view of the steel ball press-fitting device;
FIG. 15 is a left side view showing the structure of the steel ball press-fitting device;
FIG. 16 is a schematic view of the sealing and reverse flow detection device;
FIG. 17 is a schematic cross-sectional view of the sealing and reverse flow sensing device in a plugged state;
FIG. 18 is an enlarged schematic view at B of FIG. 17;
FIG. 19 is a schematic structural view of an end screen vibratory pan;
fig. 20 is a schematic front view of the end-face filter screen press-fitting device;
fig. 21 is a left side view schematic diagram of the end face filter screen press-fitting device;
fig. 22 is a rear view schematic diagram of the end face filter screen press-fitting device;
FIG. 23 is a schematic structural view of the mounting assembly;
FIG. 24 is a schematic structural view of an annular screen vibratory pan;
FIG. 25 is a schematic view of a press-fitting device for an annular filter screen;
fig. 26 is a schematic structural view of the slide.
Detailed Description
The following are specific examples of the present invention, and the technical solutions of the present invention are further described with reference to the drawings, but the present invention is not limited to these examples, and the following embodiments do not limit the invention according to the claims. Moreover, all combinations of features described in the embodiments are not necessarily essential to the solution of the invention.
It will be understood by those of ordinary skill in the art that all directional references (e.g., above, below, upward, downward, top, bottom, left, right, vertical, horizontal, etc.) are illustratively used in the figures to aid the reader's understanding and do not imply (e.g., position, orientation, or use, etc.) a limitation on the scope of the invention, which is defined by the claims appended hereto. Additionally, the term "substantially" may refer to slight imprecision or deviation in conditions, amounts, values, or dimensions, etc., some of which may be within manufacturing or tolerance limits.
Example one
As shown in fig. 1 and 2, the booster valve screen assembly 16 includes: the filter screen seat 16-1, the steel balls 16-2, the end face filter screen 16-3 and the annular filter screen 16-4 are collectively called workpieces hereinafter. The filter screen seat is internally provided with a steel ball placing hole and a through axial center hole, the end face filter screen and the annular filter screen are respectively provided with a filter screen so as to filter gas, the end face filter screen is pressed on one end face of the filter screen seat so as to prevent the steel balls from rolling out, the steel balls and the placing hole have a one-way valve function, and the annular filter screen is pressed on the other end face of the filter screen seat. The device is used for assembling the filter screen seat 16-1, the steel ball 16-2, the end face filter screen 16-3 and the annular filter screen 16-4 together and testing the air tightness effect of the steel ball.
As shown in fig. 3, the present assembly apparatus comprises, mounted on an assembly station table 15: the device comprises an assembly turntable 1, a mechanical arm 2, a filter screen seat vibration disc 3, a visual detection device 4, a filter screen seat feeding positioning device 5, a steel ball feeding machine 6, a steel ball press-mounting device 7, a sealing and reverse flow detection device 8, an end face filter screen vibration disc 9, an end face filter screen press-mounting device 10, an annular filter screen vibration disc 11, an annular filter screen press-mounting device 12, a slide 13 and a material frame 14. The material frame 14 is used for collecting finished products.
As shown in fig. 4, the assembly turntable 1 includes: 1-5 parts of a rotary table, 1-4 parts of a motor and 1-6 parts of a workpiece tray; the workpiece trays 1-6 are circumferentially distributed on the rotary table 1-5, and a top baffle plate 1-7 is fixed in the middle of the rotary table; the motor is fixed through a bracket consisting of a motor fixing bottom plate 1-1, a motor fixing vertical plate 1-2 and a motor fixing top plate 1-3; the photoelectric mounting plates 1-9, the photoelectric mounting plate backing rings 1-8 and the photoelectric mounting plates provide reference for the corner positions of the assembly turntable.
The assembly turntable 1 provides a stable positioning carrier for loading, mounting and detecting the booster valve filter screen assembly 16; the motor turntable is used for rotating the assembly turntable 1, the rotating angle is fixed, and the motor turntable rotates by one station angle every time, so that a workpiece moves among stations.
As shown in fig. 5, 6 and 7, the workpiece trays 1 to 6 provide positioning holes 1 to 6 to 8 of the pressure increasing valve filter screen assembly, and the total number of the workpiece trays 1 to 6 is 6, so that the switching of different assembly stations is realized. The rotary table 1-5 body is clamped between the screw 1-6-6 and the tool bottom plate 1-6-5, the linear bearing 1-6-4 is slidably sleeved on the sliding shaft 1-6-3, the stop ring 1-6-1 is fixedly connected with the end part of the screw 1-6-6, the linear bearing 1-6-4, the tool bottom plate 1-6-5 and the workpiece fixing seat 1-6-7 are fixedly connected, the spring 1-6-2 is supported between the stop ring 1-6-1 and the tool bottom plate 1-6-5, and the workpiece fixing seat 1-6-7 can have an up-and-down floating range due to the spring 1-6-2; the workpiece fixing seats 1-6-7 are provided with pressure valve filter screen component positioning holes for supporting and positioning the assembly of pressure valve workpieces, the mechanical arm can take and place the workpieces at the positioning holes, and mechanisms for jacking the workpieces are arranged on the upper side and the lower side of the workpiece tray at different stations, so that the workpieces can be conveniently operated from the upper side and the lower side of the positioning holes.
As shown in fig. 8, the robot arm 2 includes: the manipulator comprises a manipulator bottom plate 2-1, a manipulator reinforcing plate 2-2, a manipulator vertical plate 2-3, a manipulator upper plate 2-4, a manipulator 2-5 and a grabbing mechanism 2-6, wherein the grabbing mechanism 2-6 is connected with the manipulator 2-5 to perform grabbing action. The mechanical arm 2 is used for feeding and discharging the filter screen seat 16-1, and grabbing a semi-finished product of a filter screen seat-steel ball press-mounting assembly, a semi-finished product of a filter screen seat-steel ball-end surface filter screen press-mounting assembly and a finished product of a filter screen seat-steel ball-end surface filter screen ring filter screen press-mounting assembly.
As shown in fig. 9, the grasping mechanisms 2 to 6 include: 2-6-8 parts of balancing weight and 2-6-10 parts of bottom plate. The grabbing mechanism 2-6 realizes the function of grabbing an assembly component, and the grabbing head 2-6-1, the spring 2-6-2 and the blocking block 2-6-3 are sequentially arranged on the ball guide shaft 2-6-4; the grabbing head 2-6-1 is a negative pressure sucker type grabbing device, and the vacuum generator 2-6-6 is used for generating negative pressure for the negative pressure sucker so as to suck the assembly component; the proximity switch 2-6-5 and the induction block 2-6-9 are matched to detect whether the workpiece is placed in place or not; the micro switches 2-6-7 control the operation process and the pressing amount of the grabbing head.
As shown in fig. 10, the screen base vibration disk 3 includes: a bottom plate 3-1, a heightened vertical plate 3-2 and a backing plate 3-3. The filter screen seat vibrating disc 3 is used for feeding the filter screen seat 16-1; the vibrating disk 3-4 arranges the filter screen seats 16-1 on the vertical vibrating guide rail 3-5 one by one, and the filter screen seats 16-1 are fed and then grabbed by the mechanical arm 2.
As shown in fig. 11, the visual inspection device 4 includes: the device comprises an upright post 4-1, a first fixed seat 4-2, a second fixed seat 4-3, a base 4-4 and a protective metal plate 4-5.
The visual detection device 4 is used for positioning when the mechanical arm 2 grabs the filter screen seat 16-1; the light source 4-9 is fixed by a light source fixing metal plate 4-6, the CCD camera 4-7 is fixed by a camera fixing metal plate 4-6, when the mechanical arm 2 grabs the filter screen seat 16-1, the CCD camera takes a picture to detect the positioning angle, and then the camera is placed on an assembly station.
As shown in fig. 12, the filter screen seat feeding and positioning device 5 comprises a support formed by a bottom plate 5-1, an upright post 5-2 and a cylinder fixing plate 5-3, a guide rod cylinder 5-4 is supported on the support, a cylinder piston is connected with a cylinder connecting plate 5-5, a guide pin fixing seat 5-6 is arranged on the cylinder connecting plate 5-5, and a ball head probe 5-7 is arranged on the guide pin fixing seat 5-6. The ball probe 5-7 is positioned below the workpiece fixing seat 1-6-7.
The filter screen seat feeding and positioning device 5 is used for positioning when the mechanical arm 2 grabs and places the filter screen seat 16-1 on the workpiece fixing seat; the cylinder with the guide rod 5-4 is fixed on the cylinder fixing plate 5-3; the ball probe 5-7 is fixed on the guide pin fixing seat 5-6, and when the filter screen seat is pressed to the positioning hole by the mechanical arm, the filter screen seat moves downwards to touch the ball probe, so that whether the filter screen seat is put in or not is detected.
As shown in fig. 13, the steel ball feeder 6 includes: 6-1 of a stroke-adjustable cylinder, 6-2 of a connecting optical axis, 6-3 of a tool bottom plate, 6-4 of a supporting bottom plate, 6-5 of a floating joint, 6-6 of a connecting block, 6-7 of an ejection shaft, 6-8 of a supporting shaft, 6-9 of a linear bearing, 6-10 of a supporting top plate, 6-11 of an upright post, 6-12 of a guide seat, 6-13 of a bin, 6-14 of an ejection head, 6-15 of a holding block, 6-16 of a laser displacement sensor, 6-17 of a sensor mounting plate, 6-18 of the tool top plate and 6-19 of a sliding table cylinder. The top ends of the ejection heads 6-14 are provided with pits capable of bearing steel balls,
the steel ball feeding machine 6 is used for feeding the steel balls 16-2; the stroke-adjustable cylinder 6-1 is arranged on the connecting optical axis 6-2; the stock bin 6-13 is arranged on the guide seat 6-12 and used for storing the steel balls 15-3; the ejection head in the steel ball feeder firstly descends into the steel balls stored in the storage bin, then moves upwards to eject the steel balls entering the pit of the ejection head upwards, the laser displacement sensor 6-16 is installed on the sensor installation plate 6-17, the displacement is obtained by calculating the time difference, and the position of the steel ball 16-2 on the ejection head is accurately positioned; the grabbing cylinder 6-22 is fixed by a grabbing cylinder mounting plate 6-20 and a drag chain metal plate 6-21, a grabbing head 6-23 is controlled to grab the steel ball 16-2, the grabbing head is a negative pressure sucker, the steel ball is sucked by negative pressure, and then the grabbing cylinder moves to place the steel ball at the steel ball mounting hole of the filter screen seat. Then the turntable rotates to move the workpiece tray to the steel ball moving device 7.
As shown in fig. 14 and 15, the steel ball press-fitting device 7 includes: the device comprises a workpiece fixing bottom plate 7-1, a supporting optical shaft 7-2, a workpiece fixing small bottom plate 7-3, a workpiece fixing shaft 7-4, a press-fitting head 7-5, a press-fitting head fixing block 7-6, a floating joint connecting plate 7-7, a tool upper top plate 7-8, a tool lower bottom plate 7-9, a tool supporting shaft 7-10, a detection tool 7-11, a photoelectric sensor 7-12, a floating joint 7-13, a sliding shaft 7-14, a linear bearing 7-15 and a standard cylinder 7-16. The workpiece fixing shaft 7-4 is positioned below the workpiece fixing seat and used for dragging the workpiece so as to help the workpiece to bear the pressure of the upper part.
The steel ball press-mounting device 7 is used for press-mounting the steel balls 16-2 and the filter screen seat 16-1; the press-mounting head 7-5 is fixed by a press-mounting head fixing block 7-6, and the press-mounting of the steel balls 16-2 and the filter screen seat 16-1 is controlled by the standard air cylinder 7-16, so that small circular grooves in the filter screen seat 16-1 for placing the steel balls are molded; the photoelectric sensor 7-12 is arranged on the detection tool 7-11 and used for positioning the steel ball 16-2 and the filter screen seat 16-1 in the press fitting process, a small circular surface matched with the steel ball is arranged in the end face filter screen, and the steel ball cannot run out during sealing; and a photoelectric sensor arranged on the detection tool is used for positioning the steel ball and the filter screen seat in the press fitting process.
As shown in fig. 16, 17 and 18, the sealing and reverse flow rate detecting device 8 includes: 8-1 parts of a bottom plugging lower bottom plate, 8-2 parts of a bottom plugging upright post, 8-3 parts of a bottom plugging upper bottom plate, 8-4 parts of a first air passage hole, 8-5 parts of a bottom plugging shaft sleeve, 8-6 parts of a bottom plugging locking nut, 8-7 parts of a bottom supporting plugging post, 8-8 parts of an upper locking nut, 8-9 parts of a second air passage hole, 8-10 parts of a middle shaft, 8-11 parts of an air cylinder action plate, 8-12 parts of an air cylinder with a guide rod, 8-13 parts of a low-voltage leak detector, 8-14 parts of a support upper bottom plate, 8-15 parts of a support upright post, 8-16 parts of a photoelectric sensor, 8-17 parts of a photoelectric support and 8-18 parts of a support lower bottom plate. The photoelectric sensors 8-16 are arranged on the photoelectric supports 8-17 and used for positioning the semi-finished product of the filter screen seat-steel ball press-fitting assembly in the process.
The device for detecting the sealing performance and the reverse flow mainly comprises an upper blocking head and a lower blocking head which are positioned on the upper side and the lower side of a workpiece tray, wherein the upper blocking head is controlled by a cylinder with a guide rod and can block a cavity on the upper part of a filter screen seat on the workpiece tray below the upper blocking head, and when the upper blocking head is pressed on the workpiece tray, the workpiece tray with floating can overcome the elastic force of a spring to move downwards, so that the lower part of the filter screen seat is blocked by contacting with the lower blocking head.
The upper plugging head comprises an intermediate shaft 8-10, and the second air passage hole 8-9 is positioned in the middle of the intermediate shaft 8-10 and is used for connecting a low-pressure leak detector 8-13; and the low-pressure leak detector 8-13 is connected with the second air passage hole 8-9 by using a straight-through air pipe.
The middle shaft end part is provided with a filter screen seat inserting hole, the inner wall of the inserting hole is provided with a sealing ring, the second air passage holes 8-9 are communicated with an inner cavity of the filter screen seat, which is provided with steel balls, through an air inlet channel inside the middle shaft, the low-pressure leak detector presses gas with certain pressure into the filter screen seat and then maintains the pressure for a certain time, the change of the pressure is detected, and the pressure can be reduced if the pressure is leaked.
The lower plugging head comprises a bottom plugging shaft sleeve, the first air passage hole 8-4 is positioned in the middle of the bottom plugging shaft sleeve 8-5 and is connected with a flow sensor for detecting the reverse flow performance of the semi-finished product of the filter screen seat-steel ball press-mounting assembly;
the end part of the bottom plugging shaft sleeve 8-5 is provided with a sealing ring for contacting and sealing with the edge of the end part of the filter screen seat, the middle of the bottom plugging shaft sleeve 8-5 is coaxially provided with a central hole plugging rod 8-19, the end part of the central hole plugging rod corresponds to a central hole on the filter screen seat and is used for plugging the central hole, the central hole plugging rod and the bottom plugging shaft sleeve are supported by a spring, so that the central hole plugging rod has certain floating up and down amount, the spring ensures that the central hole plugging rod has certain contact pressure on the central hole, a gap is formed between the central hole plugging rod and the bottom plugging shaft sleeve, gas leaked from steel balls can enter the gap, and a first air passage hole is communicated with the gap, so that a flow sensor can detect the size of the leakage amount.
As shown in fig. 19, the end-face screen vibratory pan 9 includes: the device comprises a bottom plate 19-1, a bottom plate 29-2, a heightened vertical plate 9-3, a backing plate 9-4, an annular vibration disc 9-5, a straight vibration guide rail 9-6, a visual detection support 9-7 and a photoelectric sensor 9-8.
The end face filter screen vibrating disc 9 is used for feeding the end face filter screen 16-3; the photoelectric sensor 9-8 is arranged on the visual detection bracket 9-7 and is used for detecting the discharge of the end face filter screen 16-3, and the end face filter screen 16-3 is provided with four columns and faces upwards, so that the end face filter screen can pass through the straight vibration guide rail; the visual detection bracket 9-7 is mounted on the backing plate 9-4.
As shown in fig. 20, 21 and 22, the end face filter screen press-fitting device 10 comprises an electric cylinder 10-1, a guide shaft 10-2, a linear bearing 10-3, a top plate 10-4, a floating joint 10-5, an electric cylinder connecting plate 10-6, a force sensor 10-7, a first pressure head 10-8, an assembling component 10-9, a displacement sensor support 10-10, a displacement sensor 10-11, a support shaft 110-12, a support shaft 210-13, a bottom plate 10-14, a drag chain metal plate 110-15, an air cylinder connecting shaft 10-16, an air cylinder mounting plate 10-17, an air cylinder 10-18, a second pressure head 10-19, a fixed seat 10-20, an optical axis 10-21, a drag chain metal plate 210-22, a displacement pressure plate 10-23 and a camera metal plate 10-24, 10-25 parts of cameras, 10-26 parts of photoelectric sensors and 10-27 parts of visual supports.
The end surface filter screen press-fitting device 10 is used for press-fitting the end surface filter screen and the semi-finished product of the filter screen seat-steel ball press-fitting assembly; the displacement sensor 10-11 is arranged on the displacement sensor bracket 10-10; the force sensor 10-7 is positioned between the electric cylinder connecting plate 10-6 and the second pressure head 10-8; the electric cylinder 10-1 pushes the guide shaft 10-2, and further indirectly pushes the second pressure head 10-8 to press and mount the end face filter screen and the semi-finished product of the filter screen seat-steel ball press-mounting assembly. And the force sensor and the proximity switch are used for controlling the conveying process of the end face filter screen.
As shown in fig. 23, the fitting assembly 10-9 includes: the hydraulic buffer device comprises a bottom plate 10-9-1, a cylinder 10-9-2, a cylinder connecting plate 10-9-3, a hydraulic buffer 10-9-4, a buffer mounting seat 10-9-5, a connecting shaft 10-9-6, a transition block 10-9-7, a guide rail connecting plate 10-9-8, a first pressure head 10-9-9, a proximity switch 10-9-10 and a guide rail 10-9-11.
The assembling component 10-9 is fixedly arranged on the bottom plate 10-9-1 and used for placing the end face filter screen 16-3 on a press-fitting station; the air cylinder 10-9-2 is fixed on the air cylinder connecting plate 10-9-3; the first pressure head 10-9-9 is internally provided with four holes which are matched with the upward surfaces of four columns of the end face filter screen 16-3 and used for grabbing the end face filter screen 16-3; the proximity switch 10-9-10 is used for controlling the conveying process of the end face filter screen 16-3; the guide rail 10-9-11 is fixed on a guide rail connecting plate 10-9-8 and is used for conveying an end face filter screen 16-3; the hydraulic buffer 10-9-4 is arranged on the buffer mounting seat 10-9-5 and used for buffer protection in the conveying process of the end face filter screen 16-3, limiting the movement of the transition block and preventing hard contact. The electric cylinder pushes the guide shaft, and then indirectly pushes the first pressure head to press and mount the end surface filter screen and the semi-finished product of the filter screen seat-steel ball press-mounting assembly; judging whether the measured press-fitting displacement is within a specified range by a displacement sensor to judge the press-fitting qualification;
as shown in fig. 24, the ring screen vibratory pan 11 includes: the device comprises a bottom plate 11-1, a heightened vertical plate 11-2, a backing plate 11-3, an annular vibration disc 11-4, a straight vibration guide rail 11-5, a visual detection support 11-6 and a photoelectric sensor 11-7. Vibration dish loading attachment, the exit of directly shaking the guide rail is provided with work piece material loading orientation module, work piece material loading orientation module includes that cylinder control's a work piece removes the block, is provided with a work piece hole that corresponds with the export of directly shaking the guide rail on the work piece removes the block, and the work piece gets into work piece hole back, and work piece removal block removes and to remove the work piece that comes out of this directly shaking the guide rail, for example the position that removes gets a position or other stations for the arm, makes things convenient for the arm to snatch the claw of head to the work piece and gets or other processing.
The annular filter screen vibrating disc 11 is used for feeding the annular filter screen 16-4; the visual detection bracket 11-6 is arranged on the backing plate 11-3; the photoelectric sensor 11-7 is mounted on the visual detection support 11-6 and used for detecting the discharge of the annular filter screen 16-4, one end, used for being combined with the end face of the filter screen seat, of the annular filter screen faces upwards through the vibration disc, and the annular filter screen is moved to the mechanical arm part taking position by the workpiece feeding positioning module when the annular filter screen enters the workpiece hole of the workpiece feeding positioning module.
As shown in fig. 25, the annular screen press-fitting device 12 includes: the device comprises a bottom plate 12-1, a supporting shaft 12-2, a downward pressing plug 12-3, an air cylinder 12-4 and an air cylinder bottom plate 12-5.
The annular filter screen press-fitting device 12 is used for press-fitting the annular filter screen 16-4, and the air cylinder 12-4 is arranged on a bottom plate 12-5 of the air cylinder and used for pushing the downward pressing plug 12-3 to press-fit the annular filter screen 16-4 and the filter screen seat-steel ball-end face filter screen assembly into a finished product from above. The semi-finished product of the mechanical arm grabbing filter screen seat-steel ball-end face filter screen press-fitting assembly is temporarily placed on the annular filter screen at the mechanical arm part taking position, and then the air cylinder pushes the pressing plug to press the annular filter screen and the filter screen seat-steel ball-end face filter screen into a finished product.
As shown in fig. 26, the chute 13 includes: the device comprises a supporting shaft 13-1, a slideway bottom plate 13-2, a slideway 13-3, a cylinder bottom plate 13-4, a cylinder 13-5, a blocking block 13-6, a cylinder supporting shaft 13-7, and a baffle plate which can extend into the slideway is arranged on the cylinder supporting shaft 13-7, so that finished products are prevented from continuously moving downwards, and when a certain number of baffle plates are reached, the baffle plates move upwards, and a large number of finished products roll down together.
The slideway 13 is used for conveying finished products of the press-mounting assembly of the filter screen seat, the steel ball, the end face filter screen and the annular filter screen, and the finished products of the press-mounting assembly of the filter screen seat, the steel ball, the end face filter screen and the annular filter screen are placed in the slideway through the mechanical arm 2.
The specific implementation steps are as follows:
step S1: the annular vibration disc arranges the filter screen seat parts one by one on a vertical vibration guide rail to feed the filter screen seat, and then the filter screen seat parts are grabbed by a mechanical arm;
step S2: when the mechanical arm grabs the filter screen seat, the CCD camera takes a picture to detect the positioning angle and then places the picture on an assembly station; the mechanical arm grabbing principle is as follows: the vacuum generator generates negative pressure, the assembly component is sucked by using the pressure head, the proximity switch and the induction block are matched to detect whether the workpiece is placed in place or not, and the operating process is controlled by the microswitch;
step S3: the filter screen seat placed in the assembly station in the ball probe detection positioning step S2 is provided with a groove matched with the filter screen seat below the assembly station, and the filter screen seat can be just clamped in;
step S4: the ejection head in the steel ball feeder ejects a steel ball from the steel ball storage bin through an air path, and the upper grabbing head sucks the steel ball through air suction; in the process of taking the steel ball, the laser displacement sensor obtains the displacement by calculating the time difference, and the position of the steel ball is accurately positioned;
step S5: a standard cylinder in the steel ball press-mounting device controls a press-mounting head to press and mount the steel balls and the filter screen seat, so that small circular grooves in the filter screen seat for placing the steel balls are molded, a small circular surface matched with the steel balls is arranged in the filter screen on the end surface, and the steel balls cannot escape during sealing; a photoelectric sensor arranged on the detection tool is used for positioning the steel ball and the filter screen seat in the press fitting process;
step S6: the low-pressure leak detector utilizes the straight-through gas pipe to be connected with the second gas path hole, the simulation pressure head blocks to realize a closed environment, and gas can come out from the position of the steel ball at the moment to detect the sealing performance of the semi-finished product of the filter screen seat-steel ball press-mounting assembly; a flow sensor connected with the first air passage hole detects the reverse flow performance of the semi-finished product of the filter screen seat-steel ball press-mounting assembly; a photoelectric sensor arranged on the photoelectric bracket is used for positioning the semi-finished product of the filter screen seat-steel ball press-mounting assembly in the process; the central holes of the filter screen seats are plugged in the two detection processes;
step S7: the end face filter screen vibrating disc enables the end face filter screen parts to be sequentially arranged on the vertical vibrating guide rail through high-frequency vibration; the photoelectric sensor is arranged on the visual detection bracket and is used for detecting the discharge of the end face filter screen; when one side of four columns of the end face filter screen faces upwards, the end face filter screen can pass through the direct vibration guide rail;
step S8: assembling a component pressure head to grab the end face filter screen; four holes in the pressure head are matched with the upward surfaces of four columns of the end face filter screen; then conveying the end face filter screen by using a guide rail; the force sensor and the proximity switch are used for controlling the conveying process of the end face filter screen; the hydraulic buffer is arranged on the buffer mounting seat and used for carrying out buffer protection in the conveying process of the end face filter screen; the electric cylinder pushes the guide shaft, and then indirectly pushes the first pressure head to press and mount the end surface filter screen and the semi-finished product of the filter screen seat-steel ball press-mounting assembly; judging whether the measured press-fitting displacement is within a specified range by a displacement sensor to judge the press-fitting qualification;
step S9: the annular vibration disc arranges the annular filter screen parts on the vertical vibration guide rail one by one; the photoelectric sensor is arranged on the visual detection support and is used for detecting the front side and the back side of the end face filter screen, the vibrating disc enables one end, used for being combined with the end face of the filter screen seat, of the annular filter screen to face upwards, and the annular filter screen enters a workpiece hole of the workpiece feeding positioning module and is moved to a mechanical arm workpiece taking position by the workpiece feeding positioning module;
step S10: the semi-finished product of the mechanical arm grabbing filter screen seat-steel ball-end face filter screen press-fitting assembly is temporarily placed on an annular filter screen at a mechanical arm part taking position, and then a cylinder pushes a pressing plug to press the annular filter screen and the filter screen seat-steel ball-end face filter screen to be pressed into a finished product;
step S11: the mechanical arm grabs the finished product of the steel ball-filter screen seat-end face filter screen-annular filter screen press-mounting assembly in the step S10 and puts the finished product into the slideway; and then the finished product of the steel ball-filter screen seat-end face filter screen-annular filter screen press-mounting assembly slides into the feeding frame from the slideway, so as to realize blanking.
Although some terms are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention. The order of execution of the operations, steps, and the like in the apparatuses and methods shown in the specification and drawings may be implemented in any order as long as the output of the preceding process is not used in the subsequent process, unless otherwise specified. The descriptions using "first", "next", etc. for convenience of description do not imply that they must be performed in this order.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (7)
1. The utility model provides a solenoid valve booster valve assembly quality, includes the assembly station platform, goes up unloader, work piece conveyer, detection device, its characterized in that still includes and installs on the assembly station mesa: assembling a rotary table, an mechanical arm, a filter screen seat vibration disc, a visual detection device, a filter screen seat feeding positioning device, a steel ball feeding machine, a steel ball press-mounting device, a sealing and reverse flow detection device, an end face filter screen vibration disc, an end face filter screen press-mounting device, an annular filter screen vibration disc and an annular filter screen press-mounting device;
the assembly turntable is circumferentially provided with workpiece trays, the workpiece trays are connected to the assembly turntable through an elastic supporting mechanism capable of floating up and down, the turntable body is clamped between a screw and a tool bottom plate, a linear bearing is sleeved on a sliding shaft in a sliding mode, a stop ring is fixedly connected to the end portion of the screw, the linear bearing, the tool bottom plate and a workpiece fixing seat are fixedly connected, a spring is supported between the stop ring and the tool bottom plate, and the workpiece fixing seat can have an up-and-down floating range through the spring; a booster valve filter screen component positioning hole is formed in the workpiece fixing seat;
the arm is including snatching the mechanism, snatchs the mechanism and includes: the device comprises a grabbing head, a spring, a blocking block, a ball guide shaft, a proximity switch, a vacuum generator, a microswitch, a balancing weight and an induction block bottom plate; the grabbing head, the spring and the blocking block are sequentially arranged on the ball guide shaft; the grabbing head is a negative pressure sucker type grabbing device, and the vacuum generator is used for generating negative pressure for the negative pressure sucker so as to suck the assembly component; the proximity switch and the induction block are matched to detect whether the workpiece is placed in place or not; the micro switch controls the operation process and controls the pressing amount of the grabbing head;
the filter screen seat feeding and positioning device comprises a support formed by a bottom plate, a stand column and a cylinder fixing plate, wherein a guide rod cylinder is supported on the support, a cylinder piston is connected with a cylinder connecting plate, a guide pin fixing seat is arranged on the cylinder connecting plate, a ball head probe is arranged on the guide pin fixing seat, and the ball head probe is positioned below the workpiece fixing seat;
the steel ball material loading machine includes: the device comprises a stroke-adjustable cylinder, a connecting optical axis, a tool bottom plate, a supporting bottom plate, a floating joint, a connecting block, an ejection shaft, a supporting shaft, a linear bearing, a supporting top plate, a stand column, a guide seat, a funnel-shaped storage bin for containing steel balls, and an ejection rod, a holding block, a laser displacement sensor, a sensor mounting plate, a tool top plate and a sliding table cylinder which are inserted upwards from the bottom in the middle, wherein the upper end of the ejection rod is an ejection head, the top end of the ejection head is provided with a pit capable of bearing the steel balls, a grabbing head is arranged above the pit, and the stroke-adjustable cylinder is arranged on the connecting optical axis; the storage bin is arranged on the guide seat and used for storing the steel balls; the ejection head in the steel ball feeder firstly descends into the steel balls stored in the storage bin, then upwards moves to eject the steel balls entering the pit of the ejection head upwards, the laser displacement sensor is mounted on the sensor mounting plate, the displacement is obtained by calculating the time difference, and the position of the steel balls on the ejection head is accurately positioned; the grabbing cylinder is fixed by a grabbing cylinder mounting plate and a drag chain metal plate, and a grabbing head is controlled to grab steel balls;
the steel ball press fitting device comprises: the device comprises a workpiece fixing bottom plate, a supporting optical axis, a small workpiece fixing bottom plate, a workpiece fixing shaft, a press-mounting head fixing block, a floating joint connecting plate, a tool upper top plate, a tool lower bottom plate, a tool supporting shaft, a detection tool, a photoelectric sensor, a floating joint, a sliding shaft, a linear bearing and a standard cylinder, wherein the workpiece fixing shaft is positioned below the workpiece fixing seat and used for dragging the workpiece so as to help the workpiece to bear the pressure on the upper part of the workpiece fixing seat; the photoelectric sensor is arranged on the detection tool and used for positioning the steel ball and the filter screen seat in the press fitting process, a small circular surface matched with the steel ball is arranged in the end face filter screen, and the steel ball cannot escape during sealing; the photoelectric sensor is arranged on the detection tool;
the tightness and reverse flow detection device comprises: the device comprises an upper plugging head, a lower plugging head, a bottom plugging lower bottom plate, a bottom plugging upright post, a bottom plugging upper bottom plate, a first air passage hole, a bottom plugging locking nut, a bottom supporting plugging post, an upper locking nut, a second air passage hole, an air cylinder acting plate, an air cylinder with a guide rod, a low-pressure leak detector, a support upper bottom plate, a support upright post, a photoelectric sensor, a photoelectric support and a support lower bottom plate, wherein the photoelectric sensor is installed on the photoelectric support; the low-pressure leak detector is connected with the second gas path hole by using a straight gas pipe; the lower plugging head comprises a bottom plugging shaft sleeve, the first air passage hole is located in the middle of the bottom plugging shaft sleeve and is connected with a flow sensor, a sealing ring is arranged at the end part of the bottom plugging shaft sleeve and is used for being in contact sealing with the edge of the end part of the filter screen seat, a central hole plugging rod is coaxially arranged in the middle of the bottom plugging shaft sleeve, the end part of the central hole plugging rod corresponds to a central hole in the filter screen seat and is used for plugging the central hole, the central hole plugging rod and the bottom plugging shaft sleeve are supported through a spring, so that the central hole plugging rod has certain floating up and down amount, the spring ensures that the central hole plugging rod has certain contact pressure on the central hole, a gap is formed between the central hole plugging rod and the bottom plugging shaft sleeve, gas leaked from a steel ball can enter the gap, and the first air passage hole is communicated with the gap;
the end face filter screen press-fitting device comprises an electric cylinder, a guide shaft, a linear bearing, a top plate, a floating joint, an electric cylinder connecting plate, a force sensor, a first pressure head, an assembling component, a displacement sensor support, a displacement sensor, a support shaft, a bottom plate, a drag chain metal plate, an air cylinder connecting shaft, an air cylinder mounting plate, an air cylinder, a second pressure head, a fixed seat, an optical axis, a drag chain metal plate, a displacement pressing plate, a camera metal plate, a camera, a photoelectric sensor and a visual support, wherein the displacement sensor is mounted on the displacement sensor support; the force sensor is positioned between the electric cylinder connecting plate and the second pressure head; the electric cylinder pushes the guide shaft, so as to indirectly push the second pressure head to press and mount the end surface filter screen and the semi-finished product of the filter screen seat-steel ball press-mounting assembly, and the assembly comprises: the assembly component is fixedly arranged on the bottom plate and used for placing the end face filter screen on a press-fitting station; the air cylinder is fixed on the air cylinder connecting plate; the first pressure head is internally provided with four holes which are matched with the upward surfaces of four columns of the end face filter screen and used for grabbing the end face filter screen; the proximity switch is used for controlling the conveying process of the end face filter screen; the guide rail is fixed on the guide rail connecting plate and used for conveying the end face filter screen; the hydraulic buffer is arranged on the buffer mounting seat;
annular filter screen pressure equipment device includes: the annular filter screen press-fitting device is used for press-fitting the annular filter screen, and the cylinder is arranged on the cylinder bottom plate and used for pushing the press-fitting plug to press-fit the annular filter screen and the filter screen seat-steel ball-end face filter screen assembly into a finished product from the top.
2. The electromagnetic valve booster valve assembling device according to claim 1, wherein the workpiece feeding device is a vibrating disk feeding device, a workpiece feeding positioning module is arranged at an outlet of a straight vibrating guide rail of the vibrating disk, the workpiece feeding positioning module comprises a workpiece moving block controlled by a moving device, a workpiece hole corresponding to the outlet of the straight vibrating guide rail is formed in the workpiece moving block, and the workpiece moving block moves to move a workpiece coming out of the straight vibrating guide rail.
3. The electromagnetic valve booster valve assembling device according to claim 1, comprising a feeding robot arm including a gripper head that grips a workpiece with a negative pressure.
4. The solenoid valve booster valve assembling device according to claim 3, further comprising a visual inspection device for inspection when the robot arm grips the screen seat; and detecting the grabbing angle of the workpiece.
5. The electromagnetic valve booster valve assembling device of claim 1, further comprising a finished product blanking slideway, and a baffle plate for controlling the slideway to open and close is arranged on the finished product blanking slideway.
6. The electromagnetic valve booster valve assembling device according to claim 1, wherein mechanisms for pressing the workpiece are provided on both upper and lower sides of the workpiece tray, and when the tool bottom plate is pressed down by the upper pressing mechanism, the workpiece in the workpiece positioning hole is moved down and then brought into contact with the lower forehead pressing mechanism.
7. The electromagnetic valve booster valve assembling device according to claim 1, wherein a workpiece orientation detecting device is provided corresponding to each station.
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| CN202010403973.5A CN111644841B (en) | 2020-05-13 | 2020-05-13 | Solenoid valve booster valve assembly quality |
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| CN202010403973.5A CN111644841B (en) | 2020-05-13 | 2020-05-13 | Solenoid valve booster valve assembly quality |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113523791A (en) * | 2021-07-15 | 2021-10-22 | 浙江金麦特自动化系统有限公司 | Automatic assembling equipment for side filter screen of valve |
| CN113997076B (en) * | 2021-12-06 | 2022-12-09 | 浙江理工大学 | Automatic production equipment for one-way throttle valve |
| CN114310351B (en) * | 2021-12-24 | 2024-02-20 | 宁波宝林安全科技有限公司 | Assembling mechanism of double-coil electromagnetic valve plug connector |
| CN115055938B (en) * | 2022-06-17 | 2023-03-24 | 机科发展科技股份有限公司 | Press-fit device and valve assembly system |
| CN114850829B (en) * | 2022-07-05 | 2022-10-25 | 杭州沃镭智能科技股份有限公司 | Press mounting device for armature component of electromagnetic valve |
| CN114850828B (en) * | 2022-07-05 | 2022-10-25 | 杭州沃镭智能科技股份有限公司 | Throttle sleeve of electromagnetic valve and flexible assembling device of steel ball component |
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