CN111590320A

CN111590320A - Assembling device and assembling method for oil outlet seat assembly of magnetic system of fuel pump

Info

Publication number: CN111590320A
Application number: CN202010581698.6A
Authority: CN
Inventors: 肖旺; 莫李圆; 兰振; 朱若轩; 刘志宇; 覃奎珍
Original assignee: GUANGXI SONGSEN AUTO PARTS CO Ltd
Current assignee: GUANGXI SONGSEN AUTO PARTS CO Ltd
Priority date: 2020-06-15
Filing date: 2020-06-23
Publication date: 2020-08-28

Abstract

An oil outlet seat assembly assembling device of a fuel pump magnetic system comprises a sequencing device, a station switching device, a monitoring and adsorbing device, a prepressing device, a pressing device, a conveying device and an ejecting device, wherein the sequencing device is used for pushing a turntable and switching a workpiece placed on a turntable discharging assembly step by step according to process requirements; the station switching device is used for positioning the workpiece, the monitoring and adsorbing device is used for monitoring and positioning the correctness of the workpiece in the assembling process, the prepressing device is used for correcting the workpiece after initial assembly, and the pressing device is used for pressing the workpiece in the assembling connection; the ejection device is used for supporting the sheet to be separated from the discharging assembly so as to facilitate the operation of the next process; the device is compact in structure, quick to assemble, safe and reliable, the assembling method comprises manual initial assembly, prepressing, compressing and ejecting, most of the assembling methods are automatically operated by the device, automation is easy to realize, only one person is needed for multiple processing procedures, production efficiency is greatly improved, and labor intensity is reduced.

Description

Assembling device and assembling method for oil outlet seat assembly of magnetic system of fuel pump

Technical Field

The invention relates to an assembling device and an assembling method for automobile engine parts, in particular to an assembling device for a magnetic system oil outlet seat assembly of an electric fuel pump of an automobile engine oil supply system, and a method for assembling the magnetic system parts and the oil outlet seat of the fuel pump by using the assembling device.

Background

The fuel pump magnetic system oil outlet seat assembly of the automobile engine oil supply system is an assembly formed after the magnetic system parts of an electric fuel pump of the automobile engine oil supply system and an oil outlet seat A1 are assembled together, wherein the magnetic system parts of the fuel pump comprise: pole shell A2, brace piece A3, magnet steel IA 4 and magnet steel IIA 5, traditional assembly process flow is: (1) manually putting the oil outlet seat A1 and the pole shell A2 on a tool, and pressing the oil outlet seat A1 and the pole shell A2 tightly by using a pneumatic device; (2) magnetic steel IA 4 and magnetic steel IIA 5 are pre-installed in the oil outlet seat and pole shell assembly which is pressed and installed manually; (3) manually placing the pole shell assembly pre-installed with the magnetic steel on a tool, placing a support piece A3 between the two magnetic steels, and pressing the support piece into the fixed position of the pole shell by using a pneumatic device to complete assembly; the traditional process has the following defects:

1. the assembly procedures are multiple, the work efficiency is low, and the labor intensity is high;

2. the assembly process is totally manual, the assembly quality cannot be controlled, and the assembly precision is difficult to guarantee.

Disclosure of Invention

The invention aims to: the assembling device and the assembling method for the oil outlet seat assembly of the magnetic system of the fuel pump are provided to overcome the defects in the prior art.

In order to solve the technical problems, the invention adopts the technical scheme that:

an oil outlet seat assembly assembling device of a fuel pump magnetic system comprises a rack, and a sequencing device, a station conversion device, a monitoring and adsorbing device, a prepressing device, a pressing device, a conveying device, an ejection device and a control system which are arranged on the rack; the sequencer device is arranged at the central part of the rack and comprises a sequencer and a speed reducer, the sequencer is arranged at the upper part of the rack platform through a sequencer mounting plate, and the speed reducer is arranged at the lower part of the rack platform through a speed reducer mounting plate; an internal speed-changing gear set of the sequencer is in transmission connection with a power assembly of the speed reducer through a synchronous wheel and a synchronous belt;

station conversion equipment and monitoring and adsorption equipment install in the sequencer top, station conversion equipment includes the circular station dish and four blowing subassemblies that the structure is the same that a level was arranged, the station dish is installed on the ring flange at sequencer top through mounting hole I at its center, and four blowing subassembly equipartitions are on the ring face that the station dish is close the circumference, a fuel pump magnetic system goes out oil holder subassembly assembly quality and uses the station dish as the center, corresponds four blowing subassemblies and arranges four assembly stations in proper order: the feeding assembly on the front side is located at a first station, the feeding assembly on the right side is located at a second station, the feeding assembly on the rear side is located at a third station, the feeding assembly on the left side is located at a fourth station, the sequencer drives the station disc to rotate anticlockwise during working, the station is switched once when the station disc rotates 90 degrees, workpieces assembled on the first station, the second station and the third station sequentially enter the next station, and the workpieces which are assembled on the fourth station are taken out and then return to the first station to continue to be assembled with the next workpiece;

the monitoring and adsorbing device comprises a fixed disc which is horizontally arranged, a photoelectric switch, a vacuum suction valve, a laser sensor and three proximity switches with the same structure, wherein the photoelectric switch, the vacuum suction valve and the laser sensor are arranged on the fixed disc; the fixed disc is arranged on a cylindrical shaft positioned at the center of the flange plate at the top of the sequencer through a mounting hole II in the center of the fixed disc, and the diameter of the fixed disc is smaller than that of the station disc, so that the monitoring and adsorbing device is positioned in inner rings of four discharging assemblies of the station conversion device; vacuum suction valve and three proximity switch equipartition are installed on the anchor ring that fixed disc is close to the circumference, and its position corresponds with the blowing subassembly of four stations respectively, wherein: the vacuum suction valve corresponds to the material discharging assembly of the first station, the vacuum suction valve piston of the vacuum suction valve corresponds to the material discharging assembly of the first station, the positions of the three proximity switches respectively correspond to the material discharging assemblies of the second station, the third station and the fourth station and face the material discharging assembly of the station, and the photoelectric switches and the laser sensors are arranged on two sides of the vacuum suction valve and face the material discharging assembly of the first station; the laser sensor is used for monitoring the assembly state of the first station polar shell, the photoelectric switch is used for monitoring the assembly state of the first station oil outlet seat, the supporting sheet and the magnetic steel, and the three proximity switches are respectively used for monitoring the press-fitting state of the second station workpiece, the third station workpiece and the fourth station workpiece;

the prepressing device positioned at the second station is arranged on the rack platform on the right side of the sequencing device through a base and comprises a power assembly and a prepressing head assembly, the prepressing head assembly is positioned at the upper part of the discharging assembly of the station, and the center of the prepressing head assembly and the center of the discharging assembly are positioned on the same central line;

the pressing device positioned at the third station is arranged on a rack platform right behind the sorting device and comprises a power assembly and a pressure head assembly, the pressure head assembly is positioned at the upper part of the discharging assembly of the station, and the center of the pressure head assembly and the center of the discharging assembly are positioned on the same central line;

the ejection device positioned at the third station is arranged at the lower part of the rack platform right behind the sequencing device and comprises a power assembly and a supporting piece pushing head, and the supporting piece pushing head extends out of the upper surface of the rack platform and is opposite to a supporting piece pushing rod at the lower part of the discharging assembly at the station;

the conveying device is arranged on a rack platform on the left side of the pressing device and comprises a power assembly and a workpiece taking chuck, the power assembly and the workpiece taking chuck are arranged on a rack positioned on the upper part of the feeding assembly through a sliding rail assembly, and the center of the workpiece taking chuck and the center of the feeding assembly are positioned on the same central line during workpiece taking;

the power components of the sequencing device, the prepressing device, the pressing device, the conveying device and the ejection device, and the vacuum suction valve, the laser sensor, the proximity switch and the photoelectric switch of the monitoring and adsorbing device are respectively connected with the gas circuit unit or the circuit unit of the control system;

the station switching device is used for supporting and positioning the press-fitting workpiece, the sequencing device is used for providing rotating force for step-by-step switching of the station switching device, the station switching device is sequentially switched from a first station to a second station, a third station and a fourth station step by step according to the assembly sequence, the monitoring and adsorbing device is used for positioning initial installation of the workpiece and monitoring the assembly state of the workpiece at each station,

the prepressing device is used for correcting and prepressing initial-mounted workpieces, the pressing device is used for finally assembling and pressing the workpieces subjected to the prepressing correction through the prepressing device, the ejection device is used for pushing a supporting piece push rod at the bottom of the feeding assembly to enable a supporting piece in the workpiece to be separated from the feeding assembly so as to enable the workpiece to be separated from the feeding assembly and be convenient to take out, the conveying device is used for taking out and conveying the workpieces subjected to press mounting from the feeding assembly at a fourth station to another procedure for magnetizing, and the control system is used for receiving information fed back by the monitoring and adsorbing device and controlling the working state of each power assembly through the air circuit and the circuit.

The further technical scheme is as follows: a synchronous wheel I in transmission connection with an internal speed change gear set is arranged on the outer side of the sequencer, a synchronous wheel II in transmission connection with an internal power assembly is arranged on the outer side of the speed reducer, and the synchronous wheel II and the synchronous wheel I are located on the same side and are in transmission connection through a synchronous belt; the device comprises a sequencer divider, a flange plate, a position conversion device, a positioning cylinder I, a positioning cylinder II, a limiting surface II, a fixing disc of the monitoring and adsorbing device, a fixing shaft and a speed changing gear group, wherein the top surface of the sequencer divider is provided with the fixedly installed cylindrical shaft, the flange plate on the top surface of the sequencer divider is sleeved on the periphery of the cylindrical shaft and is in transmission connection with the internal speed changing gear group, the flange plate comprises the positioning cylinder I and the limiting surface I, the position disc of the position conversion device is installed on the limiting surface I of the flange plate through an installation hole I of the position conversion device and is positioned by taking the positioning cylinder;

when the sequencing device works, a servo motor of the power assembly drives the synchronizing wheel I and the speed change gear set inside the sequencing device to rotate through the synchronizing wheel II and the synchronous belt, so that the station conversion device installed on the flange plate is driven to rotate around the cylindrical shaft anticlockwise step by step.

Further: blowing subassembly structure is the same, including the base, base upper portion be a cylindric structure that takes the step, correspond with the oil outlet seat inner chamber, include from bottom to top, by big cylinder, middle round platform and little cylinder that diminish to constitute the working face that is used for the support of fuel pump magnetic system spare part and oil outlet seat and location, wherein: the round table surface of the large cylinder, which is connected with the middle round table, is a polar shell limiting surface, the top surface of the small cylinder is an oil outlet seat limiting surface, the two sides of the small cylinder form magnetic steel positioning surfaces for supporting and positioning magnetic steel, the left side of the round table surface of the small cylinder, which is connected with the middle round table, is provided with a magnetic steel limiting block, the right side of the middle round table is provided with a vertical tangent plane, a cavity is formed at the joint of the tangent plane and the large cylinder, a supporting sheet positioning block is arranged in the cavity, the outer side of the supporting sheet positioning block forms a supporting sheet limiting surface, and a gap between the supporting sheet limiting surface;

the centers of the large cylinder, the middle circular table and the small cylinder are provided with vent holes, the left side of the large cylinder is provided with a suction valve interface communicated with the vent holes, the magnetic steel positioning surfaces on the two sides of the small cylinder are correspondingly provided with small suction holes, a vacuum suction valve piston positioned at a first station is connected with the suction valve interface of the large cylinder when the assembly work starts, and negative pressure is formed in the vent holes through suction of the vacuum suction valve so as to tightly suck the magnetic steel I and the magnetic steel II which are placed on the magnetic steel positioning surfaces; the lower part of the base is connected with a press-fitting supporting block, the press-fitting supporting block is provided with a pore channel communicated with the upper supporting piece placing gap, and a supporting piece push rod and a return spring are arranged in the pore channel.

Further: the prepressing device further comprises a supporting vertical arm, a sliding rail assembly and a floating joint I, wherein the supporting vertical arm is installed on the rack platform through a base, the sliding rail assembly comprises an installation plate, a sliding rail and a sliding groove, the installation plate is of an L-shaped structure, the horizontal plane of the installation plate is an installation surface, the back surface of a vertical surface of the installation plate is provided with the sliding groove, the installation plate is connected with the sliding rail on the inner side surface of the supporting arm in a sliding mode through the sliding groove, and the lower end of the sliding rail is provided with a; the standard cylinder of the power assembly of the prepressing device is arranged on the upper part of a cross arm of the supporting vertical arm, the prepressing head assembly and the floating joint I of the prepressing device are arranged on the lower part of the cross arm, the upper end of the floating joint I is connected with a piston of the standard cylinder, the lower end of the floating joint I is connected with the mounting surface of the mounting plate, and the prepressing head assembly is connected to the bottom surface of the mounting surface;

the pre-pressing head assembly comprises a guide head, a pre-pressing head, a spring and a spring top plate, a pre-pressing supporting block is mounted on a base at the lower part of the pre-pressing head assembly, the center of the pre-pressing supporting block and the center of the pre-pressing head assembly are located on the same central line, and the top surface of the pre-pressing supporting block is in sliding contact with the bottom surface of the station disc and supports the station disc when stations are switched; the standard cylinder comprises a speed regulating valve and an air passage connecting port, and when the standard cylinder works, a piston of the standard cylinder pushes the floating joint and a pre-pressing head assembly arranged on the mounting plate II to press down or lift up along the sliding rail; the smooth performance of the downward vertical motion of the pre-pressing head component is guaranteed by the motion of the sliding rail component, the oil outlet seat which is possibly deviated is guided by the guide head, the pre-pressing head presses the oil outlet seat in place in a pre-pressing mode, and the limiting pin is used for limiting the pre-pressing stroke.

Further: the power assembly of the pressing device is arranged on the upper part of the support frame assembly, the pressure head assembly of the pressing device is arranged in the support frame assembly through the inner support assembly, the support frame assembly is a linear support and comprises a reinforcing transverse plate, a left pillar and a right pillar which are supported at two ends of the reinforcing transverse plate, the electric cylinder of the power assembly of the pressing device is arranged in the center of the upper part of the reinforcing transverse plate, the pressure head assembly is arranged at the lower part of the reinforcing transverse plate and is connected with the electric cylinder, the inner support assembly is arranged in a door frame of the support frame assembly and is positioned between the left pillar and the right pillar of the support frame assembly, the inner support assembly is a small linear support and comprises a horizontal sliding plate, a left guide pillar, a left base, a right guide pillar and a right base which are supported at two ends of the horizontal sliding plate, the left guide, The right guide pillar is in sliding fit, the pressure head assembly is installed in the middle of the horizontal sliding plate and comprises an electric cylinder connector, a floating connector II, a connector, an oil outlet seat pressure head and a pressure sensor, the upper end of the electric cylinder connector is connected with an electric cylinder, the lower end of the electric cylinder connector is connected with the pressure sensor, the upper end of the floating connector II is connected with the pressure sensor, the lower end of the floating connector II is connected with the connector fixed on the horizontal sliding plate, the oil outlet seat pressure head is connected to the lower portion of the horizontal sliding plate, and the center of the oil outlet seat pressure head and the center;

the pressure sensor is connected with a circuit unit of the control system and used for monitoring the pressure output condition of the electric cylinder, and the electric cylinder drives the cylinder connector, the pressure sensor, the floating connector II, the connector and the horizontal sliding plate to slide up and down along the left guide pillar and the right guide pillar when working, so that the pressure head of the oil outlet seat is driven to press down or lift up.

Further: the power assembly of the conveying device comprises a double-shaft cylinder, a finger cylinder and a rodless cylinder, the workpiece taking chuck comprises a left chuck and a right chuck, the double-shaft cylinder is installed at the rear part of a cylinder installation plate, the lower end of the double-shaft cylinder is connected with the finger cylinder through an installation block, a left piston and a right piston of the finger cylinder are respectively connected with the left chuck and the right chuck, the rodless cylinder is installed at the front part of the cylinder installation plate and is in sliding connection with a sliding rail installed on a rack, an electromagnetic valve assembly is installed at the front part of the rodless cylinder, and the electromagnetic valve assembly comprises an electromagnetic valve I, an electromagnetic valve II and an electromagnetic valve III which are respectively used; the rodless cylinder drives the cylinder mounting plate and the double-shaft cylinder and the finger cylinder which are mounted on the cylinder mounting plate to slide left and right along the sliding rail when working, the double-shaft cylinder pushes the finger cylinder to move downwards or ascend when working, and the finger cylinder drives the left chuck and the right chuck to open or clamp when working.

Further: the ejection device comprises a support piece pushing head, a cylinder plate and a power assembly, the ejection device is installed at the bottom of the rack platform corresponding to the fourth station through the cylinder plate, the support piece pushing head extends out of the upper surface of the rack platform and is opposite to a support piece push rod located at the lower part of the feeding assembly of the station, the power assembly is an adjustable cylinder, and when the adjustable cylinder works, the support piece pushing head pushes the support piece push rod of the feeding assembly to ascend so as to separate a support piece in an electric fuel pump electromagnetic system assembly of the station from the feeding assembly, so that the finger cylinder clamps the assembly and transmits the assembly to the next procedure.

Further: the station conversion device is positioned on a rack platform at the lower part of the station disc, a press-fitting supporting block for supporting the station disc to rotate stably is arranged at a position corresponding to a third station on the rack platform, the center of the press-fitting supporting block and the center of a pressure head assembly of a pressing device at the upper part of the station conversion device are positioned on the same vertical line, the top surface of the press-fitting supporting block is in sliding contact with the bottom surface of the station disc during station conversion, and the station disc is supported to be kept in a horizontal state all the time during the press-fitting process of workpieces, so that the device quality.

Further: the equipartition is equipped with four signs I on the anchor ring that the station dish is close the circumference, the sign is located between per two blowing subassemblies, the outside of station dish is equipped with indicating device, indicating device passes through the mount pad and installs on rack platform, sign I on sign II and the station dish that its guide arm supported is in the coplanar to pointer II of sign II is relative with pointer I of one of them sign I of station dish, during the station conversion, then pointer II of sign II is relative with pointer I of next sign I of station dish.

The other technical scheme is as follows: a fuel pump magnetic system spare part and assembly method of producing the oil seat, said method is to use the above-mentioned fuel pump magnetic system to produce the assembly rig of the oil seat, assemble the method of the fuel pump magnetic system spare part and producing the oil seat, comprising the following steps:

s1, observing whether a pointer II of a sign II is opposite to a pointer I of one sign I in a station disc or not to confirm that the station disc is in a correct position, and then starting an assembling device;

s2, manually assembling

S21, pressing down a control key, starting a vacuum suction valve of the monitoring and adsorbing device positioned at a first station, wherein a vacuum suction valve piston extends out to be butted with a suction valve interface of a first station discharging assembly;

s22, placing the support sheet in the support sheet placing gap of the material placing assembly;

s23, respectively placing the magnetic steel I and the magnetic steel II on the magnetic steel positioning surfaces on the two sides of the small cylinder, and tightly sucking the magnetic steel I and the magnetic steel II on the magnetic steel positioning surfaces by using a vacuum suction valve;

s24, sleeving the pole shell into the middle round table and limiting the pole shell on a pole shell limiting surface;

s25, buckling an oil outlet seat at the upper end of the electrode shell and limiting the oil outlet seat on a limiting surface of the small cylinder, wherein a photoelectric switch and a laser sensor which are positioned at a first station respectively monitor that the oil outlet seat and parts of a magnetic system of the fuel pump are placed in place, a corresponding green light on a control panel is lighted, manual assembly is completed, and a vacuum suction valve piston exits from a suction valve interface of a first station discharging assembly;

s26, starting a sequencing device to drive a station conversion device to rotate 90 degrees anticlockwise, so that a workpiece which is initially installed on a first station material discharging assembly is transferred to a second station to enter a pre-pressing process;

s3, prepressing assembly

S31, a standard cylinder of the prepressing device works to push a prepressing head component to press downwards, and guide prepressing is carried out on the initially installed fuel pump magnetic system parts and the oil outlet seat;

s32, monitoring that the workpiece is pre-pressed in place by the monitoring and adsorbing device and a proximity switch corresponding to the second station, and lighting a corresponding green light on a control panel;

s33, starting the sequencing device to drive the station conversion device to rotate 90 degrees anticlockwise, so that the workpiece which is pre-pressed in place on the second station discharging assembly is transferred to a third station to enter a pressing process;

s4, pressing assembly

S41, an electric cylinder on the pressing device works to push a pressure head assembly downwards to press the pre-pressed and pilot workpiece;

s42, operating an ejection cylinder of the ejection device, enabling a support piece pushing head to move upwards to push a support piece pushing rod of the material discharging assembly, and pushing a support piece out of a support piece placing gap of the material discharging assembly to loosen the pressed workpiece;

s43, a proximity switch corresponding to the monitoring and adsorbing device and the third station monitors that the press mounting of the workpiece is completed, the support piece is pushed out of a support piece placing gap of the feeding assembly, and a corresponding green light on the control panel is turned on;

s44, starting the sequencing device to drive the station conversion device to rotate 90 degrees anticlockwise, so that the feeding assembly and the workpiece on the third station are rotated to the fourth station to prepare for taking out the workpiece;

s5, taking out the workpiece

S51, monitoring that the workpieces are completely pressed by a monitoring and adsorbing device and a proximity switch corresponding to a fourth station, starting a solenoid valve II and a solenoid valve III of a conveying device, conducting a gas circuit, enabling a double-shaft cylinder and a finger cylinder to work, opening a left chuck and a right chuck by the finger cylinder to clamp the pressed workpieces out of a discharging assembly while the double-shaft cylinder slides downwards, and enabling a rodless cylinder to work to feed the workpieces into another process for magnetizing through a sliding rail;

s6, while the workpiece is transferred to the second station in the step S25, the empty discharging assembly in the fourth station is transferred to the position of the first station, and the operations in the steps S2-S5 are repeated in sequence, and the process is repeated until all the workpieces are assembled.

The further technical scheme is as follows: when the step S25, S32 or S43 is performed, if the corresponding green light on the control panel is not on and an alarm is given, the assembly of the step needs to be performed again until the assembly is in place.

Due to the adoption of the technical scheme, the assembling device and the assembling method for the oil outlet seat assembly of the magnetic system of the fuel pump have the following beneficial effects:

1. the production efficiency is high due to the following technical characteristics;

(1) the automatic assembling device is provided with a sequencing device, a station conversion device, a prepressing device, a pressing device, an ejection device and a conveying device, except that the first station needs manual initial assembly, the prepressing, the pressing and the workpiece taking out are all automatically completed by the device, the whole assembling is completed by three original workers and three processes, the whole assembling is changed into the assembling of a product by only one worker, and the assembling of the product can be completed by one-time clamping, so that the production efficiency is improved, and the labor intensity of the workers is reduced;

(2) the power device adopted by the assembly device for sorting, prepressing, pressing and ejecting adopts a speed reduction motor, a cylinder and the like, can be conveniently connected with an external gas circuit unit and a unit, is easy to control, is easy to realize assembly automation and improves the efficiency;

2. the assembly quality is good and the precision is high due to the following technical characteristics;

(1) the assembly device is provided with a monitoring and adsorbing device, so that the positioning of magnetic steel during manual initial assembly can be facilitated (when all the discharge assemblies are positioned at the position of a first station, the back surfaces of the discharge assemblies always correspond to the motion direction of a piston of a vacuum suction valve of the monitoring device, after the device is started, the vacuum suction valve piston is butted with a suction valve interface of the discharge assemblies, and the working principle of vacuum negative pressure is utilized to ensure that two magnetic steel parts are always adsorbed at two sides of a magnetic steel positioning piece), and whether the assembly of a workpiece is complete, whether the position is correct and whether prepressing and pressing are qualified can be monitored;

(2) the assembly device is provided with an indicating device, and the station switching can be visually judged whether to be in place or not through visual inspection;

(3) the press-fitting support block is arranged on the rack platform, the pre-pressing support block is arranged at the lower part of the pre-pressing device, so that the work station disc can be kept in a stable horizontal state during station conversion and press-fitting, and the assembly quality is ensured;

(4) the prepressing head assembly of the prepressing device is provided with a floating joint I, a guide head, a prepressing head and a spring, the prepressing head assembly is connected through a sliding rail assembly, the movement of the sliding rail assembly 52 ensures the stability of the downward vertical movement of the prepressing head assembly, the guide head guides an oil outlet seat A1 which is likely to deviate, the prepressing head presses down to prepress the oil outlet seat A1 in place, and a limiting pin 524 can limit the prepressing stroke, so that the prepressing accuracy is effectively ensured;

(5) the pressure head assembly of the pressing device is provided with a floating joint II, the pressure head assembly of the pressing device is connected with a horizontal sliding plate of the inner support assembly through the horizontal sliding plate, and the horizontal sliding plate is connected with the left guide pillar and the right guide pillar in a sliding mode and used for guiding the pressure head of the oil outlet seat.

The following describes an assembly device and an assembly method for an oil outlet seat assembly of a magnetic system of a fuel pump according to the present invention with reference to the accompanying drawings and embodiments

The technical characteristics of (2) are further explained.

Drawings

FIG. 1 is a schematic structural view (perspective view) of an assembly apparatus of a fuel pump magnetic system component and an oil outlet seat assembly according to the present invention;

FIG. 2 is a schematic structural diagram of a sorting device (three-dimensional effect);

FIG. 3 is a schematic structural view (three-dimensional effect) of the station switching device;

FIG. 4 is a schematic view of the monitoring and adsorbing device (cubic effect);

FIG. 5 is a schematic view of the assembly structure of the sorting device, the station switching device, the monitoring and adsorbing device and the ejecting device (three-dimensional effect);

FIG. 6 is a schematic structural view (three-dimensional effect) of the pre-pressing device;

FIG. 7 is a schematic view of a pre-pressing head assembly;

FIG. 8 is a schematic structural view (three-dimensional effect) of the pressing device;

FIG. 9 is a schematic view of the structure of the conveyor (cubic effect);

FIG. 10 is a schematic structural view (three-dimensional effect) of the indicating device;

fig. 11 is a schematic structural view (three-dimensional effect) of the ejection device;

fig. 12 to 13 are schematic structural views of the discharging assembly:

FIG. 12 is a perspective view, and FIG. 13 is a sectional view taken along line A-A of FIG. 12;

FIG. 14 is a schematic structural view (three-dimensional effect) of a workpiece mounted on a discharge assembly;

FIG. 15 is a schematic structural view (in section) of an assembled fuel pump electromagnetic system component and oil outlet seat assembly;

FIG. 16 is a schematic structural diagram (three-dimensional effect) of a sequencing device with a sequencing monitoring cam and a proximity switch I;

in the figure:

a, an oil outlet seat assembly of an electromagnetic system of a fuel pump, A1, an oil outlet seat, A2, a pole shell, A3, a support piece, A4, magnetic steel I, A5, and magnetic steel II; 1-frame, 101-frame platform;

2-sequencer device, 21-sequencer, 211-sequencer mounting plate, 212-synchronizing wheel I, 214-flange plate, 214-1-positioning cylinder I, 214-2-limiting surface I, 215-cylindrical shaft, 215-1-positioning cylinder II, 215-2-limiting surface II, 22-synchronizing belt, 23-speed reducer, 231-speed reducer mounting plate and 232-synchronizing wheel II;

3-station switching device, 31-station disc, 311-mounting hole I, 32-indicator I, 321-indicator I, 33-discharging component, 331-base, 332-big cylinder, 332-1-pole shell limiting surface, 332-2-big cylinder, 332-3-suction valve interface, 333-middle circular table, 334-magnetic steel limiting block, 335-small cylinder, 335-1-oil outlet seat limiting surface, 335-2-magnetic steel positioning surface, 335-3-suction small hole, 336-supporting piece positioning block, 336-1-supporting piece limiting surface, 336-2-supporting piece placing gap, 337-press-mounting supporting block, 338-reset spring and 339-supporting piece push rod;

4-monitoring and adsorption device, 41-fixed disc, 411-mounting hole II, 42-photoelectric switch, 43-vacuum suction valve, 431-vacuum suction valve piston, 44-laser sensor, 45-proximity switch;

5-prepressing device, 51-supporting vertical arm, 511-cross arm, 52-sliding rail component, 521-limit pin, 522-sliding groove, 523-mounting plate, 524-sliding rail, 53-standard cylinder, 531-speed regulating valve, 532-air channel connecting port, 54-floating joint I, 55-prepressing head component, 551-pilot head, 552-prepressing head, 553-spring, 554-spring top plate, 56-base and 57-supporting block;

6-hold-down device, 61-support frame component, 611-reinforcing transverse plate, 612-left upright post, 613-right upright post, 62-pressure head component, 621-electric cylinder connector, 622-floating connector II, 623-connector, 624-oil outlet seat pressure head, 625-pressure sensor, 63-inner support component, 631-horizontal sliding plate, 632-left guide post, 633-right guide post, 634-left base, 635-right base, 64-electric cylinder;

7-conveying device, 71-left chuck, 72-right chuck, 73-finger cylinder, 74-mounting block, 75-double-shaft cylinder, 76-cylinder mounting plate, 77-solenoid valve assembly, 771-solenoid valve I, 772-solenoid valve II, 773-solenoid valve III, 78-rodless cylinder and 79-slide rail;

8-indicating device, 81-mounting seat, 82-guide bar, 83-indicator II, 831-indicator II;

9-an ejection device, 91-a supporting sheet pushing head, 92-a cylinder plate, 93-an adjustable cylinder and 94-a cylinder push rod;

10-press mounting of a supporting block, 11-control system;

in fig. 16: 213-monitoring cam by sequence, 24-approach switch I.

Detailed Description

Example one

An oil outlet seat assembly assembling device of a fuel pump magnetic system comprises a rack 1, a sequencing device 2, a station conversion device 3, a monitoring and adsorption device 4, a prepressing device 5, a pressing device 6, a conveying device 7, an ejection device 9 and a control system 11, wherein the sequencing device 2, the station conversion device 3, the monitoring and adsorption device, the prepressing device 5, the pressing device 6, the conveying device 7, the ejection device 9 and the control system 11 are installed; the sequencer 2 is arranged at the central part of a rack platform 101 of the rack and comprises a sequencer 21 and a speed reducer 23, the sequencer is arranged at the upper part of the rack platform 101 through a sequencer mounting plate 211, and the speed reducer is arranged at the lower part of the rack platform through a speed reducer mounting plate 231; the internal speed-changing gear set of the sequencer is in transmission connection with the power assembly of the speed reducer through a synchronous belt 22;

station conversion equipment 3 and monitoring and adsorption equipment 4 install in the sequencer top, station conversion equipment includes the circular station dish 31 and four blowing subassemblies 33 that the structure is the same that a level was arranged, the station dish is installed on the ring flange 214 at sequencer top through mounting hole I311 at its center (this ring flange is connected with inside speed change gear set transmission), four blowing subassembly equipartitions are close on the anchor ring of circumference at the station dish, a fuel pump magnetic system goes out oil holder subassembly assembly quality and uses the station dish as the center, corresponds four blowing subassemblies and arranges four assembly stations in proper order: the discharging assembly on the front side is located at a first station (initial assembly station), the discharging assembly on the right side is located at a second station (prepressing station), the discharging assembly on the rear side is located at a third station (pressing station), the discharging assembly on the left side is located at a fourth station (pickup station), the sequencer drives the station disc to rotate anticlockwise during working, the station is switched once every 90-degree rotation, workpieces assembled on the first station, the second station and the third station sequentially enter the next station, the workpieces which are assembled on the fourth station are taken out and then return to the first station to continue to assemble the next workpiece, and the assembly is carried out in a circulating mode;

the monitoring and adsorption device 4 comprises a fixed disc 41 which is horizontally arranged, and a photoelectric switch 42, a vacuum suction valve 43, a laser sensor 44 and three proximity switches 45 which are same in structure and are arranged on the fixed disc 41; the fixed disc is arranged on a cylindrical shaft 215 positioned at the center of the flange plate at the top of the sequencer through a mounting hole II 411 in the center of the fixed disc, and the diameter of the fixed disc is smaller than that of the station disc, so that the monitoring and adsorbing device is positioned in inner rings of four discharging components of the station conversion device;

vacuum suction valve 43 and three proximity switch equipartitions are installed on the ring face that the disc is close to the circumference, and its position corresponds with the blowing subassembly of four stations respectively, wherein: the vacuum suction valve 43 corresponds to the discharging component of the first station, the vacuum suction valve piston 431 of the vacuum suction valve corresponds to the discharging component of the first station, the positions of the three proximity switches respectively correspond to the discharging components of the second station, the third station and the fourth station and are opposite to the discharging components of the stations, and the photoelectric switch 42 and the laser sensor 44 are arranged on two sides of the vacuum suction valve and are opposite to the discharging components of the first station; the laser sensor 44 is used for monitoring the correctness of the polar shell assembled at the first station, the photoelectric switch 42 is used for monitoring the correctness of the oil seat assembled at the first station and the integrity of the assembly of the supporting sheet and the magnetic steel, and the three proximity switches are respectively used for monitoring and monitoring the press-fitting state of the workpieces at the second station, the third station and the fourth station;

the prepressing device 5 positioned at the second station is arranged on the rack platform 101 on the right side of the sorting device through a base 56 and comprises a power assembly and a prepressing head assembly 55, the prepressing head assembly 55 is positioned at the upper part of the discharging assembly of the station, and the center of the prepressing head assembly and the center of the discharging assembly are positioned on the same central line;

the pressing device 6 positioned at the third station is arranged on the rack platform 101 right behind the sorting device and comprises a power assembly and a pressure head assembly 62, the pressure head assembly 62 is positioned at the upper part of the discharging assembly at the station, and the center of the pressure head assembly and the center of the discharging assembly are positioned on the same central line;

the ejection device 9 positioned at the third station is arranged at the lower part of the rack platform 101 right behind the sequencing device and comprises a power assembly and a support push head 91, and the support push head 91 extends out of the rack platform and is opposite to the support push rod 339 at the lower part of the feeding assembly at the station;

the conveying device 7 is arranged on a rack platform 101 on the left side of the pressing device and comprises a power assembly and a pickup chuck, the power assembly and the pickup chuck are arranged on a rack positioned on the upper part of the feeding assembly through slide rails, and the center of the pickup chuck and the center of the feeding assembly are positioned on the same central line during pickup;

the power components of the sequencing device 2, the pre-pressing device 5, the pressing device 6, the conveying device 7 and the ejection device 9 are respectively connected with an air circuit unit or a circuit unit of the control system 11; the vacuum suction valve 43, the laser sensor 44, the proximity switch 45 and the photoelectric switch 42 of the monitoring and adsorbing device are respectively connected with the gas circuit unit or the circuit unit of the control system;

the station switching device 3 is used for supporting and positioning a press-mounted workpiece, the sequencing device 2 is used for providing rotating force for step-by-step switching of the station switching device 3 and sequentially switching the station switching device from a first station to a second station, a third station and a fourth station step by step according to assembly requirements, the monitoring and adsorbing device 4 is used for positioning initial mounting of the workpiece and monitoring the assembly state of the workpiece at each station, the prepressing device 5 is used for correcting and prepressing the initial mounted workpiece, the pressing device 6 is used for performing final assembly and pressing on the workpiece corrected and prepressed by the prepressing device, the ejecting device 9 is used for pushing a supporting piece push rod at the bottom of a discharging component to separate a supporting piece in an oil outlet seat assembly A of an electromagnetic system of the fuel pump from the discharging component so as to separate the workpiece from the discharging component and take out the workpiece, the conveying device 7 is used for taking out the press-mounted workpiece from the discharging component of the fourth station and conveying the workpiece to another process for magnetizing, and the control system 11 is used for receiving information fed back by the monitoring and adsorption devices and controlling the working state of each power assembly through the control of the gas circuit and the circuit.

A synchronizing wheel I211 in transmission connection with an internal speed change gear set is arranged on the outer side of the sequencer, a synchronizing wheel II 232 in transmission connection with an internal power assembly is arranged on the outer side of the speed reducer 23, the synchronizing wheel II and the synchronizing wheel I are located on the same side and are in transmission connection through a synchronous belt 22, a fixedly installed cylindrical shaft 215 is arranged on the top surface of the sequencer, a flange plate on the top surface of the sequencer is sleeved on the periphery of the cylindrical shaft and is in transmission connection with the internal speed change gear set, the flange plate 214 comprises a positioning cylinder I214-1 and a limiting surface I214-2, a station disc 31 of the station conversion device 3 is installed on the limiting surface I214-2 of the flange plate through an installation hole I311 of the station disc and is positioned by the positioning cylinder I214-1 and is fastened by bolts, the cylindrical shaft 215 comprises a positioning cylinder II 215-1 and a limiting surface II 215-2, and a fixed disc 41 of the monitoring and adsorbing device is installed on the limiting surface II 411 of 215-2, and is positioned by taking the positioning cylinder II 215-1 as an axis and is fastened by a bolt; during working, a station disc of the station conversion device rotates along with the flange plate, and a monitoring and adsorbing device arranged on the cylindrical shaft is fixed;

the power assembly comprises a servo motor, and when the sequencing device works, the servo motor drives a synchronizing wheel I211 and a speed change gear set inside the sequencing device to rotate through a synchronizing wheel II 232 and a synchronous belt 22 during working, so that the station conversion device arranged on the flange plate is driven to rotate around the cylindrical shaft 215 anticlockwise step by step.

Blowing subassembly structure is the same, including base 331, base upper portion be a take the step, with go out the cylindric structure that the oil seat inner chamber corresponds, including from bottom to top, by big cylinder 332, middle round platform 333 and the small circle post 335 that diminishes to constitute the working face that is used for the support of fuel pump magnetic system spare part and oil seat and location, wherein: the round table surface of the large cylinder, which is connected with the middle round table, is a pole shell limiting surface 332-1, the top surface of the small cylinder is an oil outlet seat limiting surface 335-1, the two sides of the small cylinder form magnetic steel positioning surfaces 335-2 for supporting and positioning magnetic steel, the left side of the round table surface of the small cylinder, which is connected with the middle round table 333, is provided with a magnetic steel limiting block 334, the right side of the middle round table is provided with a vertical tangent plane, a cavity is formed at the connection part of the tangent plane and the large cylinder, a supporting sheet positioning block 336 is arranged in the cavity, the outer side of the supporting sheet positioning block forms a supporting sheet limiting surface 336-1, and a gap between the supporting sheet limiting surface 336-1 and the inner side of;

the centers of the large cylinder 332, the middle circular truncated cone 333 and the small cylinder 335 are provided with vent holes, the left side of the large cylinder is provided with a suction valve interface 332-3 communicated with the vent holes, and the magnetic steel positioning surfaces 335-2 at the two sides of the small cylinder are correspondingly provided with suction small holes 335-3; when the assembly work is started, a vacuum suction valve piston positioned at a first station is connected with a suction valve interface 332-3 of a large cylinder, negative pressure is formed in a vent hole through suction of the vacuum suction valve, and therefore magnetic steel I and magnetic steel II manually placed on a magnetic steel positioning surface 335-2 are tightly sucked; the lower part of the base is connected with a press-fitting supporting block 337, the press-fitting supporting block is provided with a pore channel communicated with the upper supporting sheet placing gap 336-2, and a supporting sheet push rod 339 and a return spring 338 are arranged in the pore channel, so that the supporting sheet push head 91 of the ejection device 9 pushes the supporting sheet push rod to push and release the supporting sheet.

The pre-pressing device 5 further comprises a supporting vertical arm 51, a sliding rail assembly 52 and a floating joint I54, the supporting vertical arm is mounted on a rack platform through a base 56, the sliding rail assembly 52 comprises a mounting plate 523, a sliding rail 524 and a sliding groove 522, the mounting plate is of an L-shaped structure, the horizontal plane of the mounting plate is a mounting surface, the back surface of the vertical surface of the mounting plate is provided with the sliding groove 522, the mounting plate is connected with the sliding rail 524 on the inner side surface of the supporting arm in a sliding mode through the sliding groove, and the lower end of the sliding rail is provided with a limiting;

the power assembly of the prepressing device mainly comprises a standard cylinder 53, the standard cylinder is arranged on the upper part of a cross arm 511 for supporting a vertical arm, a prepressing head assembly 55 and a floating joint I54 of the prepressing device are arranged on the lower part of the cross arm, the upper end of the floating joint I54 is connected with a piston of the standard cylinder 53, the lower end of the floating joint I is connected with the mounting surface of a mounting plate 523, and the prepressing head assembly 55 is connected with the bottom surface of the mounting;

the pre-pressing head assembly 55 comprises a guide head 551, a pre-pressing head 552, a spring 553 and a spring top plate 554, the power assembly is a standard air cylinder 53 and comprises a speed regulating valve 531 and an air path connecting port 532, and the air path connecting port 532 is connected with an air path unit of a control system;

and a base 56 at the lower part of the pre-pressing head assembly is provided with a pre-pressing supporting block 57, the center of the pre-pressing supporting block and the center of the pre-pressing head assembly are positioned on the same central line, and the top surface of the pre-pressing supporting block is in sliding contact with the bottom surface of the station disc and supports the station disc during station conversion.

When the standard cylinder works, the piston of the standard cylinder pushes the floating joint 54 and the pre-pressing head assembly 55 arranged on the mounting plate II 523 to press down or lift up along the sliding rail; the movement of the sliding rail assembly 52 ensures the smooth performance of the downward vertical movement of the pre-pressing head assembly, the guide head 551 guides the oil outlet seat a1 which is possibly deviated, the pre-pressing head 552 presses down to pre-press the oil outlet seat a1 in place, and the limit pin 524 is used for limiting the pre-pressing stroke.

The power component of the pressing device 6 is arranged at the upper part of the support frame component 61, and the pressure head component 62 of the pressing device 6 is arranged in the support frame component 61 through the inner support component 63; the support frame assembly 61 is a straight-door-shaped support frame, and comprises a reinforcing transverse plate 611, a left support column 612 and a right support column 613 which are supported at two ends of the reinforcing transverse plate, the power assembly of the pressing device mainly comprises an electric cylinder 64, the electric cylinder is arranged at the center of the upper part of the reinforced transverse plate, the pressure head assembly 62 is arranged at the lower part of the reinforced transverse plate and connected with the electric cylinder, the inner support assembly 63 is arranged in a door frame of the support frame assembly 61 and is positioned between a left pillar and a right pillar of the support frame assembly, the inner support assembly 63 is a small door-shaped support and comprises a horizontal sliding plate 631, a left guide pillar 632, a left base 634, a right guide pillar 633 and a right base 635, the left guide pillar and the right guide pillar are supported at two ends of the horizontal sliding plate and are respectively fixed on the rack platform 101 through the left base and the right base, two ends of the horizontal sliding plate are in sliding fit with the left guide pillar and the right guide pillar through guide holes, and the pressure head assembly is arranged in the middle of; the pressure head assembly 62 comprises an electric cylinder connector 621, a floating connector II 622, a connector 623, an oil outlet seat pressure head 624 and a pressure sensor 625, the upper end of the electric cylinder connector 621 is connected with the electric cylinder 64, the lower end of the electric cylinder connector 621 is connected with the pressure sensor, the upper end of the floating connector II 622 is connected with the pressure sensor, the lower end of the floating connector II 622 is connected with the connector 623 fixed on the horizontal sliding plate 631, the oil outlet seat pressure head 624 is connected to the lower part of the horizontal sliding plate, and the center of the oil outlet seat pressure head 624 and the center of the material;

the pressure sensor 625 is connected with a circuit unit of the control system and used for monitoring the pressure output condition of the electric cylinder;

when the electric cylinder works, the electric cylinder connector 621, the pressure sensor 625, the floating connector II 622, the connector 623 and the horizontal sliding plate are driven to slide up and down along the left guide pillar and the right guide pillar, so that the oil outlet seat pressure head 624 is driven to press down or lift up.

The power assembly of the transmission device 7 comprises a double-shaft air cylinder 75, a finger air cylinder 73 and a rodless air cylinder 78; the workpiece taking chuck comprises a left chuck 71 and a right chuck 72, the double-shaft cylinder 75 is installed at the rear part of the cylinder installation plate 76, the lower end of the double-shaft cylinder is connected with the finger cylinder 73 through the installation block 74, the left piston and the right piston of the finger cylinder are respectively connected with the left chuck 71 and the right chuck 72, the rodless cylinder 78 is installed at the front part of the cylinder installation plate and is in sliding connection with a sliding rail 79 installed on the rack, the front part of the rodless cylinder is provided with an electromagnetic valve assembly 77, the electromagnetic valve assembly comprises an electromagnetic valve I771, an electromagnetic valve II 772 and an electromagnetic valve III 773, and the electromagnetic valve assembly is respectively used for controlling the working states;

the rodless cylinder drives the cylinder mounting plate and the double-shaft cylinder 75 and the finger cylinder 73 mounted on the cylinder mounting plate to slide left and right along the sliding rail when working, the double-shaft cylinder 75 pushes the finger cylinder 73 to move downwards or ascend when working, and the finger cylinder 73 drives the left and right clamping heads to open or clamp when working.

The ejection device 9 comprises a supporting sheet pushing head 91, an air cylinder plate 92 and a power assembly, the ejection device is arranged at the bottom of the rack platform corresponding to the fourth station through the air cylinder plate, and the supporting sheet pushing head extends out of the upper surface of the rack platform and is opposite to a supporting sheet pushing rod positioned at the lower part of the feeding assembly of the station; when the adjustable cylinder of the power assembly works, the supporting piece pushing head pushes the supporting piece pushing rod of the discharging assembly to rise, so that the supporting piece in the oil outlet seat assembly A of the electromagnetic system of the fuel pump at the station is separated from the discharging assembly, and the assembly A is clamped and transferred to the next procedure by the finger cylinder 73.

And a press-fitting supporting block 10 for supporting the stable rotation of the station disc is arranged at a position, corresponding to the third station, on the rack platform 101 at the lower part of the station disc, the center of the press-fitting supporting block and the center of a pressure head assembly of a pressing device at the upper part of the station conversion device are positioned on the same vertical line, the top surface of the press-fitting supporting block 10 is in sliding contact with the bottom surface of the station disc during station conversion, and the station disc is supported to be always kept in a horizontal state in the press-fitting process of workpieces, so that the device quality of products is ensured.

The equipartition is equipped with four signs I32 on the ring surface that the station dish is close to the circumference, the sign is located between per two blowing subassemblies, the outside of station dish is equipped with indicating device 8, indicating device passes through mount pad 81 and installs on rack platform, sign I on sign II 83 and the station dish that its guide arm 82 supported is in the coplanar, and pointer II 831 of sign II 83 is relative with I321 of the pointer of one of them sign I32 of station dish, during the station conversion, then pointer II 831 of sign II 83 is relative with I321 of the next sign I32 of station dish, so that the condition that targets in place of range estimation blowing subassembly preface.

As a variation of the above embodiment, in order to save cost, when the power component of the sequencer may also be a speed regulating motor, but a sequencer monitoring cam 213 connected to the rotating shaft of the synchronizing wheel ii needs to be installed on the opposite side of the sequencer from the synchronizing wheel ii 211, and a proximity switch i 24 (see fig. 16) is installed at a position close to the sequencer monitoring cam, and the proximity switch i is installed on the rack platform and connected to the control system circuit unit. The sequencer drives the station disc to rotate 90 degrees anticlockwise for station conversion once, the sequencer monitoring cam rotates a circle along with the synchronizing wheel II, the sequencer monitoring cam returns to the position of the proximity switch I again, the speed regulating motor stops, the station conversion device stops, the system switch is pressed again, and the sequencer drives the station disc to rotate 90 degrees anticlockwise for station conversion once again.

Example two

A method for assembling parts and an oil outlet base of a fuel pump magnetic system is a method for assembling the parts and the oil outlet base of the fuel pump magnetic system by using the assembling device of the oil outlet base assembly of the fuel pump magnetic system, and comprises the following steps:

s1, observing whether a pointer II 831 of an indicator II 83 is opposite to a pointer I321 of an indicator I32 in a station disc or not to confirm that the station disc is in a correct position, and then starting an assembling device;

s2, manually assembling

S21, pressing a control key, starting a vacuum suction valve 43 of the monitoring and adsorption device positioned at a first station, and enabling a vacuum suction valve piston 431 of the monitoring and adsorption device to extend out to be in butt joint with a suction valve interface 332-3 of a first station discharging assembly;

s22, placing the support piece A3 in the support piece placing gap 336-2 of the emptying component;

s23, magnetic steel IA 4 and magnetic steel IIA 5 are respectively placed on magnetic steel positioning surfaces 335-2 on two sides of the small cylinder, and the vacuum suction valve 43 sucks negative pressure formed by a small cylinder vent hole to tightly suck the magnetic steel IA 4 and the magnetic steel IIA 5 on the magnetic steel positioning surfaces;

s24, sleeving the pole shell A2 into the middle round table and limiting the pole shell on the pole shell limiting surface 332-1;

s25, buckling an oil outlet seat A1 at the upper end of a pole shell A2 and limiting the oil outlet seat at the limiting surface 335-1 of a small cylinder, respectively monitoring that the oil outlet seat and parts of a fuel pump magnetic system are placed in place by a photoelectric switch 42 and a laser sensor 44 which are positioned at a first station, lighting a corresponding green light on a control panel, completing manual assembly, and enabling a vacuum suction valve piston 431 to exit from a suction valve interface of a first station discharging component;

s26, starting the sequencing device 2 to drive the station conversion device 3 to rotate 90 degrees anticlockwise, so that the workpieces which are initially installed on the first station discharging assembly are transferred to a second station to enter a pre-pressing process; the discharging assembly of the original fourth station enters the first station, and the vacuum suction valve piston 431 extends out again to be in butt joint with the suction valve interface 332-3 of the discharging assembly of the first station;

s3, prepressing assembly

S31, a standard air cylinder 53 of the pre-pressing device works to push a pre-pressing head assembly 55 to press downwards, and guide pre-pressing is carried out on the pre-installed fuel pump magnetic system parts and the oil outlet seat;

s33, starting the sequencing device 2 to drive the station conversion device 3 to rotate 90 degrees anticlockwise, so that the workpiece which is pre-pressed in place on the second station discharging assembly is rotated to a third station to enter a pressing process;

s4, pressing assembly

S41, an electric cylinder 64 on the pressing device 6 works, and the pressure head assembly 62 is pushed downwards to press the pre-pressed and guided workpiece;

s42, the ejection cylinder of the ejection device 9 works, the support piece pushing head 91 moves upwards to push the support piece pushing rod of the material discharging assembly, and the support piece A3 is pushed out of the support piece placing gap 336-2 of the material discharging assembly, so that the pressed workpiece is loosened;

s43, a proximity switch corresponding to the monitoring and adsorbing device and the third station monitors that the press mounting of the workpiece is completed, a support piece A3 is pushed out of a support piece placing gap of the feeding assembly, and a corresponding green light on the control panel is turned on;

s44, starting the sequencing device 2 to drive the station conversion device 3 to rotate 90 degrees anticlockwise, so that the feeding assembly and the workpiece at the third station are rotated to the fourth station to prepare for taking out the workpiece;

s5, taking out the workpiece

S51, monitoring that the workpieces are completely pressed by the proximity switches corresponding to the monitoring and adsorbing device and the fourth station, starting a solenoid valve II 772 and a solenoid valve III 773 of the conveying device, conducting a gas circuit, enabling the double-shaft cylinder 75 and the finger cylinder 73 to work, enabling the finger cylinder 73 to open a left chuck and a right chuck to clamp the pressed workpieces out of a discharging assembly while the double-shaft cylinder slides downwards, and enabling the rodless cylinder 78 to work to feed the workpieces into another process for magnetizing through the slide rail 79;

s6, when the workpiece is transferred to the second station in the step S25, the empty discharging assembly in the fourth station is transferred to the position of the first station, and the operations in the steps S2-S5 are repeated in sequence, namely:

after the first workpiece is manually assembled, the vacuum suction valve piston exits from a suction valve interface of the discharging assembly and enters pre-pressing assembly, meanwhile, the second workpiece enters manual initial assembly, and the vacuum suction valve piston is butted with the suction valve interface of the discharging assembly again;

after the second workpiece is manually assembled, the vacuum suction valve piston exits from a suction valve interface of the discharging assembly and enters pre-pressing assembly, while the first workpiece is pre-pressed and assembled while entering pressing assembly, the third workpiece enters manual initial assembly, and the vacuum suction valve piston is butted with the suction valve interface of the discharging assembly again;

after the third workpiece is manually assembled, the vacuum suction valve piston exits from a suction valve interface of the discharging assembly and enters pre-pressing assembly, while the second workpiece is pre-pressed and assembled and enters pressing assembly, the first workpiece is pressed and assembled and enters a workpiece taking station, the fourth workpiece enters manual initial assembly, and the vacuum suction valve piston is butted with the suction valve interface of the discharging assembly again;

and the process is circulated until all the workpieces are assembled.

When the step S25, S32 or S43 is performed, if the corresponding green light on the control panel is not on and an alarm is given, the assembly of the step needs to be performed again until the assembly is in place.

Claims

1. The utility model provides a fuel pump magnetic system goes out oil holder subassembly assembly quality which characterized in that: the automatic sequence sorting machine comprises a rack (1), a sequence sorting device (2), a station conversion device (3), a monitoring and adsorption device (4), a pre-pressing device (5), a pressing device (6), a conveying device (7), an ejection device (9) and a control system (11);

the sorting device (2) is arranged at the central part of the rack (1) and comprises a sorting device (21) and a speed reducer (23), the sorting device is arranged at the upper part of the rack platform (101) through a sorting device mounting plate (211), the speed reducer is arranged at the lower part of the rack platform through a speed reducer mounting plate (231), and an internal speed-changing gear set of the sorting device is in transmission connection with a power assembly of the speed reducer through a synchronous wheel and a synchronous belt (22);

station conversion equipment (3) and monitoring and adsorption equipment (4) are installed in the sequencer top, station conversion equipment includes circular station dish (31) and four blowing subassemblies (33) that the structure is the same that a level was arranged, the station dish is installed on ring flange (214) at sequencer top through mounting hole I (311) at its center, and four blowing subassembly equipartitions are on the ring face that the station dish is close the circumference, a fuel pump magnetic system goes out oil holder subassembly assembly quality and uses the station dish as the center, corresponds four blowing subassemblies and arranges four assembly stations in proper order: the feeding assembly on the front side is located at a first station, the feeding assembly on the right side is located at a second station, the feeding assembly on the rear side is located at a third station, the feeding assembly on the left side is located at a fourth station, the sequencer drives the station disc to rotate anticlockwise during working, the station is switched once when the station disc rotates 90 degrees, workpieces assembled on the first station, the second station and the third station sequentially enter the next station, and the workpieces which are assembled on the fourth station are taken out and then return to the first station to continue to be assembled with the next workpiece;

the monitoring and adsorbing device (4) comprises a fixed disc (41) which is horizontally arranged, a photoelectric switch (42), a vacuum suction valve (43), a laser sensor (44) and three proximity switches (45) which are identical in structure and are arranged on the fixed disc (41), the fixed disc is arranged on a cylindrical shaft (215) which is positioned at the center of a flange plate at the top of the sequencer through a mounting hole II (411) in the center of the fixed disc, and the diameter of the fixed disc is smaller than that of the station plate, so that the monitoring and adsorbing device is positioned in inner rings of four discharging components of the station switching device;

vacuum suction valve (43) and three proximity switch equipartitions are installed on the anchor disc is close the anchor ring of circumference, and its position corresponds with the blowing subassembly of four stations respectively, wherein: the vacuum suction valve (43) corresponds to the material discharging component of the first station, the vacuum suction valve piston (431) of the vacuum suction valve corresponds to the material discharging component of the first station, the positions of the three proximity switches respectively correspond to the material discharging components of the second station, the third station and the fourth station and face the material discharging component of the station, and the photoelectric switch (42) and the laser sensor (44) are arranged on two sides of the vacuum suction valve and face the material discharging component of the first station; the laser sensor (44) is used for monitoring the assembly state of the polar shell of the first station, the photoelectric switch (42) is used for monitoring the assembly state of the oil outlet seat, the supporting sheet and the magnetic steel of the first station, and the three proximity switches are respectively used for monitoring the press-fitting state of workpieces of the second station, the third station and the fourth station;

the prepressing device (5) positioned at the second station is arranged on a rack platform (101) on the right side of the sorting device through a base (56) and comprises a power assembly and a prepressing head assembly (55), the prepressing head assembly (55) is positioned at the upper part of the discharging assembly of the station, and the center of the prepressing head assembly and the center of the discharging assembly are positioned on the same central line;

the pressing device (6) located at the third station is arranged on a rack platform (101) right behind the sorting device and comprises a power assembly and a pressure head assembly (62), the pressure head assembly (62) is located at the upper part of the discharging assembly of the station, and the center of the pressure head assembly and the center of the discharging assembly are located on the same central line;

the ejection device (9) positioned at the third station is arranged at the lower part of the rack platform (101) right behind the sorting device and comprises a power assembly and a supporting piece pushing head (91), and the supporting piece pushing head (91) extends out of the upper part of the rack platform and is opposite to a supporting piece pushing rod (339) at the lower part of the feeding assembly of the station;

the conveying device (7) is arranged on a rack platform (101) on the left side of the pressing device and comprises a power assembly and a pickup chuck, and the power assembly and the pickup chuck are arranged on a rack positioned on the upper part of the feeding assembly through slide rails;

the power components of the sequencing device (2), the pre-pressing device (5), the pressing device (6), the conveying device (7) and the ejection device (9), and the vacuum suction valve (43), the laser sensor (44), the proximity switch (45) and the photoelectric switch (42) of the monitoring and adsorption device are respectively connected with an air circuit unit or a circuit unit of the control system;

the station switching device (3) is used for supporting and positioning press-fitting workpieces, the sequencing device (2) is used for providing rotating force for step-by-step switching of the station switching device (3) and sequentially switching the station switching device from a first station to a second station, a third station and a fourth station step by step according to an assembly sequence, the monitoring and adsorbing device (4) is used for positioning initially-fitted workpieces and monitoring the assembly state of the workpieces at each station, the prepressing device (5) is used for correcting and prepressing the initially-fitted workpieces, the pressing device (6) is used for finally assembling and pressing the workpieces corrected and prepressed by the prepressing device, and the ejecting device (9) is used for pushing a supporting piece push rod at the bottom of a material discharging component to enable supporting pieces in an oil outlet seat assembly (A) of the electromagnetic fuel pump system to be separated from the material discharging component so as to enable the workpieces to be separated from the material discharging component and be taken out, the conveying device (7) is used for taking out the pressed workpiece from the discharging assembly at the fourth station and conveying the pressed workpiece to another process for magnetizing, and the control system (11) is used for receiving information fed back by the monitoring and adsorbing device and controlling the working state of each power assembly through the control of the gas circuit and the circuit.

2. The fuel pump magnet system outlet assembly mounting arrangement as set forth in claim 1, wherein: a synchronizing wheel I (211) in transmission connection with an internal speed-changing gear set is arranged on the outer side of the sequencer, a synchronizing wheel II (232) in transmission connection with an internal power assembly is arranged on the outer side of the speed reducer (23), and the synchronizing wheel II (232) and the synchronizing wheel I (211) are located on the same side and are in transmission connection through a synchronous belt (22);

the top surface of the sequencer is provided with a fixedly installed cylindrical shaft (215), a flange plate on the top surface of the sequencer is sleeved on the periphery of the cylindrical shaft and is in transmission connection with an internal speed change gear set, the flange plate (214) comprises a positioning cylinder I (214-1) and a limiting surface I (214-2), a station disc (31) of the station conversion device (3) is installed on the limiting surface I (214-2) of the flange plate through an installation hole I (311) of the flange plate, is positioned by the positioning cylinder I (214-1) and is fastened by bolts, the cylindrical shaft (215) comprises a positioning cylinder II (215-1) and a limiting surface II (215-2), a fixed disc (41) of the monitoring and adsorbing device is installed on the limiting surface II (215-2) of the cylindrical shaft through an installation hole II (411) of the fixed disc and is positioned by taking the positioning cylinder II (215-1) as an axis center, fastening by using a bolt;

when the sequencing device works, a servo motor of the power assembly drives a synchronizing wheel I (211) and a speed change gear set inside the sequencing device to rotate through a synchronizing wheel II (232) and a synchronous belt (22), so that the station switching device arranged on the flange plate is driven to rotate around the cylindrical shaft (215) anticlockwise step by step.

3. The fuel pump magnet system outlet assembly mounting arrangement as set forth in claim 2, wherein:

blowing subassembly structure is the same, including base (331), base upper portion be a take the step, with the cylindric structure that goes out the oil seat inner chamber and correspond, include from bottom to top, by big cylinder (332), middle round platform (333) and small circle post (335) that diminish to constitute the working face that is used for the support and the location of fuel pump magnetic system spare part and oil seat: the circular table surface of the large cylinder and the middle circular table is a polar shell limiting surface (332-1), the top surface of the small cylinder is an oil outlet seat limiting surface (335-1), the two sides of the small cylinder form magnetic steel positioning surfaces (335-2) for supporting and positioning magnetic steel, the left side of the circular table surface of the small cylinder and the middle circular table (333) is provided with a magnetic steel limiting block (334), the right side of the middle circular table is provided with a vertical tangent plane, a cavity is formed at the joint of the tangent plane and the large cylinder, a supporting sheet positioning block (336) is arranged in the cavity, the outer side of the supporting sheet positioning block forms a supporting sheet limiting surface (336-1), and a gap between the supporting sheet limiting surface (336-1) and the inner side of the large circular table (332-2) forms a supporting;

the centers of the large cylinder (332), the middle circular truncated cone (333) and the small cylinder (335) are provided with vent holes, the left side of the large cylinder is provided with a suction valve interface (332-3) communicated with the vent holes, and the magnetic steel positioning surfaces (335-2) at the two sides of the small cylinder are correspondingly provided with small suction holes (335-3); the vacuum suction valve piston at the first station is connected with a suction valve interface (332-3) of a large cylinder when the assembly work is started,

negative pressure is formed in the vent hole through the suction of the vacuum suction valve, so that the magnetic steel I and the magnetic steel II which are arranged on the magnetic steel positioning surface (335-2) are tightly sucked; the lower part of the base is connected with a press-fitting supporting block (337), the press-fitting supporting block is provided with a pore channel communicated with the upper supporting piece placing gap (336-2), and a supporting piece push rod (339) and a return spring (338) are arranged in the pore channel.

4. The fuel pump magnet system outlet assembly mounting arrangement as set forth in claim 3, wherein:

the pre-pressing device (5) further comprises a supporting vertical arm (51), a sliding rail assembly (52) and a floating joint I (54), the supporting vertical arm is mounted on a rack platform through a base (56), the sliding rail assembly (52) comprises a mounting plate (523), a sliding rail (524) and a sliding groove (522), the mounting plate is of an L-shaped structure, the horizontal plane of the mounting plate is a mounting surface, the sliding groove (522) is formed in the back surface of a vertical surface of the mounting plate, the mounting plate is in sliding connection with the sliding rail (524) on the inner side surface of the supporting arm through the sliding groove, and a limiting pin (521) used for adjusting the stroke of the sliding rail assembly; a standard cylinder (53) of a power assembly of the prepressing device is arranged on the upper part of a cross arm (511) supporting a vertical arm, a prepressing head assembly (55) and a floating joint I (54) of the prepressing device are arranged on the lower part of the cross arm, the upper end of the floating joint I (54) is connected with a piston of the standard cylinder (53), the lower end of the floating joint I is connected with a mounting surface of a mounting plate (523), and the prepressing head assembly (55) is connected with the bottom surface of the mounting surface;

the pre-pressing head assembly (55) comprises a guide head (551), a pre-pressing head (552), a spring (553) and a spring top plate (554), the standard air cylinder (53) comprises a speed regulating valve (531) and an air passage connecting port (532), a pre-pressing supporting block (57) is installed on a base (56) at the lower part of the pre-pressing head assembly, the center of the pre-pressing supporting block and the center of the pre-pressing head assembly are located on the same center line, and the top surface of the pre-pressing supporting block is in sliding contact with the bottom surface of the station disc and supports the station disc when stations are switched.

5. The fuel pump magnet system outlet assembly mounting arrangement as set forth in claim 4, wherein:

the power assembly of the pressing device (6) is arranged at the upper part of the support frame assembly (61), and the pressure head assembly (62) of the pressing device (6) is arranged in the support frame assembly (61) through the inner support assembly (63);

the supporting frame component (61) is a bracket shaped like a Chinese character 'yi', and comprises a reinforcing transverse plate (611), a left pillar (612) and a right pillar (613) which are supported at two ends of the reinforcing transverse plate, an electric cylinder (64) of a power component of a pressing device is arranged at the center of the upper part of the reinforcing transverse plate, a pressure head component (62) is arranged at the lower part of the reinforcing transverse plate and connected with the electric cylinder, an inner supporting component (63) is arranged in a 'door frame' of the supporting frame component (61) and positioned between the left pillar and the right pillar of the supporting frame component, the inner supporting component (63) is a bracket shaped like a Chinese character 'yi', and comprises a horizontal sliding plate (631), a left guide pillar (632), a left base (634), a right guide pillar (633) and a right base (635) which are supported at two ends of the horizontal sliding plate, the left guide pillar and the right guide, The right guide post is in sliding fit, and the pressure head assembly is arranged in the middle of the horizontal sliding plate;

the pressure head assembly (62) comprises an electric cylinder connector (621), a floating connector II (622), a connector (623), an oil outlet seat pressure head (624) and a pressure sensor (625), the upper end of the electric cylinder connector (621) is connected with an electric cylinder (64), the lower end of the electric cylinder connector is connected with the pressure sensor, the upper end of the floating connector II (622) is connected with the pressure sensor, the lower end of the floating connector II is connected with the connector (623) fixed on a horizontal sliding plate (631), the oil outlet seat pressure head (624) is connected to the lower portion of the horizontal sliding plate, and the center of the oil outlet seat pressure head and the center of the material outlet assembly entering the station;

the pressure sensor (625) is connected with a circuit unit of the control system and used for monitoring the pressure output condition of the electric cylinder;

when the electric cylinder works, the electric cylinder connector (621), the pressure sensor (625), the floating connector II (622), the connector (623) and the horizontal sliding plate are driven to slide up and down along the left guide pillar and the right guide pillar, so that the oil outlet seat pressure head (624) is driven to press down or lift up.

6. The fuel pump magnet system outlet assembly mounting arrangement as set forth in claim 5, wherein:

the power assembly of the transmission device (7) comprises a double-shaft air cylinder (75), a finger air cylinder (73) and a rodless air cylinder (78); the workpiece taking chuck comprises a left chuck (71) and a right chuck (72), the double-shaft cylinder (75) is installed at the rear part of a cylinder installation plate (76), the lower end of the double-shaft cylinder is connected with a finger cylinder (73) through an installation block (74), a left piston and a right piston of the finger cylinder are respectively connected with the left chuck (71) and the right chuck (72), the rodless cylinder (78) is installed at the front part of the cylinder installation plate and is in sliding connection with a sliding rail (79) installed on a rack, the front part of the rodless cylinder is provided with a solenoid valve assembly (77), and the solenoid valve assembly comprises a solenoid valve I (771), a solenoid valve II (772) and a solenoid valve III (773) which are respectively used for controlling the working states of the rodless cylinder (78), the double;

the rodless cylinder drives the cylinder mounting plate and the double-shaft cylinder (75) and the finger cylinder (73) mounted on the cylinder mounting plate to slide left and right along the sliding rail when working, the double-shaft cylinder (75) pushes the finger cylinder (73) to move downwards or ascend when working, and the finger cylinder (73) drives the left chuck and the right chuck to open or clamp when working.

7. The fuel pump magnet system outlet assembly mounting arrangement as set forth in claim 6, wherein:

the ejection device (9) comprises a supporting sheet pushing head (91), an air cylinder plate (92) and a power assembly, the ejection device is mounted at the bottom of the rack platform corresponding to the fourth station through the air cylinder plate, and the supporting sheet pushing head extends out of the upper surface of the rack platform and is opposite to a supporting sheet pushing rod positioned at the lower part of the material discharging assembly of the station; the power assembly is an adjustable cylinder (93), and when the adjustable cylinder works, the supporting piece pushing head of the adjustable cylinder pushes a supporting piece pushing rod of the discharging assembly to rise, so that a supporting piece in the oil outlet seat assembly (A) of the electromagnetic system of the fuel pump at the station is separated from the discharging assembly, and the finger cylinder (73) clamps the oil outlet seat assembly (A) of the electromagnetic system of the fuel pump and transmits the clamping to the next procedure.

8. The fuel pump magnet system outlet assembly mounting arrangement as set forth in claim 7, wherein:

the position, corresponding to the third station, of the rack platform (101) on the lower portion of the station disc of the station conversion device (3) is provided with a press-fitting supporting block (10) used for supporting the station disc to rotate stably, the center of the press-fitting supporting block and the center of a pressure head assembly of a pressing device on the upper portion of the station conversion device are located on the same vertical line, the top surface of the press-fitting supporting block (10) is in sliding contact with the bottom surface of the station disc during station conversion, the station disc is supported to enable the station disc to be kept in a horizontal state all the time in the workpiece press-fitting process, and therefore device quality.

9. The fuel pump magnet system outlet assembly mounting arrangement as set forth in claim 8, wherein:

the equipartition is equipped with four signs I (32) on the ring surface that the station dish is close to the circumference, the sign is located between per two blowing subassemblies, the outside of station dish is equipped with indicating device (8), indicating device passes through mount pad (81) and installs on rack platform, sign II (83) that its guide arm (82) supported are in the coplanar with sign I on the station dish, and pointer II (831) of sign II (83) are relative with pointer I (321) of one of them sign I (32) of station dish, during the station conversion, then pointer II (831) of sign II (83) are relative with pointer I (321) of the next sign I (32) of station dish.

10. A method for assembling a fuel pump magnetic system part and an oil outlet seat is characterized in that: the method is a method for assembling the parts of the electromagnetic system of the fuel pump and the oil outlet seat by using the assembly assembling device of the oil outlet seat of the magnetic system of the fuel pump as claimed in claim 9, and comprises the following steps:

s1, observing whether a pointer II (831) of an indicator II (83) is opposite to a pointer I (321) of an indicator I (32) in a station disc or not to confirm that the station disc is in a correct position, and then starting an assembling device;

s2, manually assembling

S21, pressing down a control key, starting a vacuum suction valve (43) of the monitoring and adsorption device positioned at a first station, and enabling a vacuum suction valve piston (431) of the monitoring and adsorption device to extend out to be in butt joint with a suction valve interface (332-3) of a first station discharging assembly;

s22, placing a support sheet (A3) in a support sheet placing gap (336-2) of the material placing assembly;

s23, magnetic steel I (A4) and magnetic steel II (A5) are respectively placed on magnetic steel positioning surfaces (335-2) on two sides of the small cylinder, and the magnetic steel I (A4) and the magnetic steel II (A5) on the magnetic steel positioning surfaces are tightly sucked by a vacuum suction valve (43);

s24, sleeving the pole shell (A2) into the middle circular truncated cone and limiting the pole shell on a pole shell limiting surface (332-1);

s25, buckling an oil outlet seat (A1) at the upper end of a pole shell (A2) and limiting the oil outlet seat at a small cylindrical oil outlet seat limiting surface (335-1), respectively monitoring that the oil outlet seat and parts of a fuel pump magnetic system are placed in place by a photoelectric switch (42) and a laser sensor (44) which are positioned at a first station, lighting a corresponding green light on a control panel, completing manual assembly, and enabling a vacuum suction valve piston (431) to exit from a suction valve interface of a first station discharging component;

s26, starting the sequencing device (2) to drive the station conversion device (3) to rotate 90 degrees anticlockwise, so that the workpieces which are initially installed on the first station discharging assembly are transferred to a second station to enter a pre-pressing process;

s3, prepressing assembly

S31, a standard air cylinder (53) of the prepressing device works to push a prepressing head assembly (55) to press downwards, and guide prepressing is carried out on the initially installed fuel pump magnetic system parts and the oil outlet seat;

s33, starting the sequencing device (2) to drive the station conversion device (3) to rotate 90 degrees anticlockwise, so that the workpiece which is pre-pressed in place on the second station discharging assembly is transferred to a third station to enter a pressing process;

s4, pressing assembly

S41, an electric cylinder (64) on the pressing device (6) works, and a pressure head assembly (62) is pushed downwards to press the pre-pressed and guided workpiece;

s42, an ejection cylinder of the ejection device (9) works, a supporting piece pushing head (91) moves upwards to push a supporting piece pushing rod of the material discharging assembly, and a supporting piece (A3) is pushed out of a supporting piece placing gap (336-2) of the material discharging assembly, so that a pressed workpiece is loosened;

s43, a proximity switch corresponding to the monitoring and adsorbing device and the third station monitors that the press mounting of the workpiece is completed, a support piece (A3) is pushed out of a support piece placing gap of the feeding assembly, and a corresponding green light on the control panel is turned on;

s44, starting the sequencing device (2) to drive the station conversion device (3) to rotate 90 degrees anticlockwise, so that the feeding assembly and the workpiece at the third station are rotated to the fourth station to prepare for taking out the workpiece;

s5, taking out the workpiece

S51, monitoring that the workpieces are completely pressed by a proximity switch corresponding to the monitoring and adsorbing device and the fourth station, starting a solenoid valve II (772) and a solenoid valve III (773) of the conveying device, conducting a gas circuit, operating a double-shaft cylinder (75) and a finger cylinder (73), opening a left chuck and a right chuck by the finger cylinder (73) to clamp the pressed workpieces out of a discharging assembly while the double-shaft cylinder slides downwards, and feeding the workpieces into another process for magnetization by the rodless cylinder (78) through a slide rail (79);

11. The method of assembling a fuel pump magnet system component and an oil outlet cup of claim 10, wherein: