CN110587302B

CN110587302B - Automatic assembly production line for automotive air conditioning compressor movable fixed plate

Info

Publication number: CN110587302B
Application number: CN201910988076.2A
Authority: CN
Inventors: 成金; 李进; 王新祥; 郭咏; 郭火明; 杨宏升
Original assignee: Csic Pengli Nanjing Intelligent Equipment System Co ltd
Current assignee: Csic Pengli Nanjing Intelligent Equipment System Co ltd
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-06-26
Anticipated expiration: 2039-10-17
Also published as: CN110587302A

Abstract

The invention discloses an automatic assembly production line for a movable fixed disc of an automobile air conditioner compressor, which belongs to the technical field of automobiles and comprises a line body, and an automatic movable fixed disc feeding and discharging device, an automatic movable fixed disc measuring device, an automatic movable fixed disc selecting and matching device, an automatic positioning pin pressing device, an automatic movable fixed disc overturning device, an automatic steel ball spring loading device, an automatic plug loading device, an automatic exhaust valve block loading device, an automatic tightness testing device and an automatic anti-rotation ring loading device which are sequentially arranged along the transmission direction of the line body; according to the automatic assembly production line for the automobile air conditioner compressor movable fixed disc, automatic continuous production is adopted, the production efficiency of the automobile air conditioner compressor movable fixed disc is greatly improved, and the consistency of product quality is effectively improved; the existing manual operation mode is replaced, the number of operators is greatly reduced, the labor intensity is reduced, and the method has remarkable effects on reducing the production cost of enterprises and improving the economic benefit.

Description

Automatic assembly production line for automotive air conditioning compressor movable fixed plate

Technical Field

The invention belongs to the technical field of automobiles, and particularly relates to an automatic assembly production line for a movable fixed plate of an automobile air conditioner compressor.

Background

The automobile air conditioner compressor is a core component of an automobile refrigeration system, and the automatic assembly level of the automobile air conditioner compressor determines various performance indexes of the automobile air conditioner compressor to a great extent and influences the operation efficiency of a compressor manufacturing enterprise.

At present, the assembly of automobile air conditioner compressors is mostly manual or semi-automatic assembly, the efficiency is low, the precision is poor, especially, the movable and fixed plates have high requirements on the assembly precision, the automatic assembly difficulty is high, and the risk is high. On the other hand, the demand for high-precision automobile air-conditioning compressors in the market is increasing day by day, the requirements for assembly precision and quality are increasing day by day, and automatic production equipment with high precision, high quality and high efficiency is urgently needed by compressor manufacturing enterprises.

The current situation that the assembly efficiency of the movable fixed plate of the automobile air conditioner compressor is low, the product quality cannot be guaranteed and the production cost is high by integrating various factors such as personnel, equipment, quality, market demand and the like seriously influences the continuous and healthy development of the automobile air conditioner compressor industry in China.

Disclosure of Invention

The purpose of the invention is as follows: the invention aims to provide an automatic assembly production line for a motor fixed disc of an automobile air conditioner compressor, which effectively solves the problems of low manual production efficiency, difficulty in ensuring assembly precision and test accuracy and poor equipment compatibility in the assembly process of the motor fixed disc of the existing automobile air conditioner compressor.

The technical scheme is as follows: in order to achieve the purpose, the invention adopts the following technical scheme:

an automatic assembly production line for a movable fixed disc of an automobile air-conditioning compressor is used for installing the fixed disc of the automobile air-conditioning compressor and a movable disc of the automobile air-conditioning compressor and comprises a line body, and a movable fixed disc automatic feeding and discharging device, a movable fixed disc automatic measuring device, a movable fixed disc automatic selecting and matching device, an automatic pressing and positioning pin device, a movable fixed disc automatic overturning device, an automatic steel ball spring assembling device, an automatic plug assembling device, an automatic exhaust valve block assembling device, an automatic tightness testing device and an automatic anti-rotation ring assembling device which are sequentially arranged along the transmission direction of the line body; the line body is arranged with a plurality of frock boards along the transmission direction, and forms in proper order and moves the fixed plate material loading station, moves fixed plate measurement station, moves fixed plate and joins in marriage the group station, presses locating pin A station, moves fixed plate upset station, presses locating pin B station, dress steel ball spring station, dress end cap station, dress exhaust valve block station, leakproofness test station, dress anti-spin ring station, move fixed plate unloading station. The automobile air-conditioning compressor fixed disc comprises a fixed disc shell, a positioning pin, a steel ball, a spring, a plug, an exhaust valve plate, a limiting plate and a screw; the front end face and the back end face of the fixed disc shell are respectively provided with two pin holes for mounting positioning pins; the back side of the fixed disc shell is provided with a back pressure hole for mounting a steel ball, a spring and a plug; the automobile air conditioner compressor moving disc comprises a moving disc shell, an anti-rotation ring, a bearing and the like; wherein, be equipped with driving disk bearing frame, driving disk fixed orifices on the driving disk casing, the bearing is installed in the bearing frame, prevents that the swivel mount is installed in the fixed orifices, still is printed on the driving disk casing two-dimensional code identification mark.

Furthermore, the tooling plate comprises a tooling plate bottom plate and a fixed disc forward-placing tool, a fixed disc backward-placing tool, a movable disc forward-placing tool, a movable disc backward-placing tool, a detection block, a chip support, a buffer block and a jacking positioning hole which are arranged on the tooling plate bottom plate, and a plurality of threaded holes and unthreaded holes are formed in the tooling plate bottom plate and are used for installing and positioning the movable disc tool and the fixed disc tool and the auxiliary parts; the movable and fixed disc automatic loading and unloading device is characterized in that a movable disc and a fixed disc in a material box are respectively transferred to a tool corresponding to a line body tooling plate through an loading and unloading robot; the automatic movable and fixed disc measuring device comprises a lifting device, a movable disc measuring mechanism and a fixed disc measuring mechanism, wherein the lifting device is positioned at the uppermost part of the equipment, and the movable disc measuring mechanism and the fixed disc measuring mechanism are connected below the lifting device in parallel; the lifting device is used for driving the measuring mechanism to lift and comprises a measuring head lifting cylinder, a supporting frame, a buffering limiting bolt and a measuring head mounting plate; the measuring head lifting cylinder is an execution element and drives the measuring head mounting plate to move up and down; the buffer limiting bolt is arranged on the support frame and used for limiting the movement stroke of the measuring head lifting cylinder and playing a role in buffering; the measuring head mounting plate is used for mounting a measuring mechanism; the movable disc measuring mechanism is used for measuring the heights of two planes of the movable disc so as to determine the model of the movable disc and comprises a measuring head positioning disc, a connecting column and a height sensor; the measuring head positioning disc is used for positioning the height sensor on a horizontal plane; the connecting column is connected with the measuring head mounting plate and the measuring head positioning plate; the height sensor measures and feeds back the height information of the measured plane; the fixed disc measuring mechanism comprises a measuring head positioning disc, a connecting column and a height sensor, and the function of the fixed disc measuring mechanism is the same as that of the components in the movable disc measuring mechanism; the movable fixed disc assembly on the tooling plate moves to a movable fixed disc measuring station along with the line body, and the jacking positioning device jacks in place; the lifting device drives the movable disc measuring mechanism and the fixed disc measuring mechanism to move downwards, when the lifting device reaches the lower limit position, the sensor completes height measurement, the lifting device resets, the jacking positioning device resets, the station stopper releases, and the workpiece automatically enters the next station.

Furthermore, the automatic matching device of the movable and fixed disks comprises a three-dimensional repository, a transfer robot, a repository movable disk clamping jaw, a fixed code sweeping gun and a movable disk waste box, wherein the transfer robot is arranged on one side of the line body; the three-dimensional repository is used for storing various types of moving disks to be taken; the transfer robot is used for taking out the movable disc with the size matched with that of the fixed disc from the three-dimensional storage warehouse to replace the unmatched movable disc; the storage movable disc clamping jaw is used for grabbing the movable disc; the fixed code scanning gun is used for scanning the two-dimensional code on the taken-out disc shell and confirming the model of the two-dimensional code; if the information obtained by automatically grabbing the movable disc is not matched with the information obtained by scanning the two-dimensional code, putting the movable disc into a movable disc waste bin; the movable fixed disc assembly on the tooling plate moves to a movable fixed disc matching station along with the line body, and the jacking positioning device jacks in place; according to the detection result of the size of the previous station, if the size of the movable disc is matched with that of the fixed disc, the movable disc is directly released to enter the next station; if the sizes of the two are not matched, the transfer robot and the storage warehouse movable disc clamping jaw work in a matched mode, the unmatched movable disc is transferred to the three-dimensional storage warehouse from the tooling plate, and the needed matched movable disc is transferred to the tooling plate from the three-dimensional storage warehouse; scanning the two-dimensional code on the shell of the moved disk by using a fixed code scanning gun in the transferring process, and putting the two-dimensional code into a waste box of the moved disk if the information is not matched; after the transfer is completed, the movable disc clamping jaw of the storage warehouse is loosened, the transfer robot resets, the jacking positioning device resets, the station stopper releases, and the workpiece automatically enters the next station.

Furthermore, the automatic pressing positioning pin device is used for installing and pressing a positioning pin into a pin hole in the end face of the fixed disc; the automatic positioning pin pressing device comprises a fixed disc transferring mechanism, a fixed disc off-line tool, a positioning pin feeding mechanism, a positioning pin placing mechanism and a positioning pin pressing mechanism, wherein the positioning pin pressing mechanism is positioned at the upper part of the center of the device, the positioning pin feeding mechanism is arranged on the left side of the device, the fixed disc transferring mechanism is arranged on the right side of the device, and the positioning pin placing mechanism and the fixed disc off-line tool are sequentially arranged right below the device; the fixed disc transferring mechanism is used for transferring a fixed disc on the tooling plate to a fixed disc off-line tooling and comprises a fixed disc transferring cylinder, a fixed disc claw lifting cylinder and a fixed disc claw, wherein the fixed disc transferring cylinder is used for transversely translating the fixed disc claw, the fixed disc claw lifting cylinder is used for controlling the fixed disc claw to lift, and the fixed disc claw is used for grabbing the fixed disc; the fixed disc off-line tool is used for installing a fixed disc and transferring the fixed disc to the position under the positioning pin pressing mechanism, and comprises an off-line fixed disc seat and a fixed disc seat translation cylinder, wherein the off-line fixed disc seat is used for installing the fixed disc, and the fixed disc seat translation cylinder is used for moving the off-line fixed disc seat to enable the fixed disc to be assembled to be positioned under the positioning pin assembling mechanism; the positioning pin feeding mechanism is used for conveying the positioning pins to the positioning pin placing mechanism and comprises a vibration material tray and a guide pipe, wherein the vibration material tray conveys the positioning pins into the positioning pin placing mechanism through the guide pipe; the positioning pin placing mechanism is used for placing a positioning pin into a pin hole of the fixed plate and comprises a discharging nozzle lifting cylinder, a discharging nozzle translation cylinder, a discharging nozzle and a discharging cylinder, wherein the discharging nozzle lifting cylinder and the discharging nozzle translation cylinder respectively control the height and the horizontal position of the discharging nozzle, and the discharging cylinder controls whether the incoming positioning pin is placed down or not; the positioning pin pressing mechanism is used for pressing the positioning pin placed in the fixed disc and comprises a pin pressing cylinder, a pressing head and a sensor, wherein the pin pressing cylinder is used for pushing the pressing head to press the positioning pin, and the sensor is used for monitoring feedback data; the tooling plate upper movable fixed disc assembly moves to a station of a pressing and positioning pin A along with the wire body, and the jacking and positioning device jacks in place; the fixed disc transferring mechanism transfers the fixed disc from the line body tooling plate to the off-line fixed disc seat, and the fixed disc transferring mechanism resets; the fixed disc seat translation cylinder moves the off-line fixed disc seat and the fixed disc on the off-line fixed disc seat to the position right below the pressure head, the positioning pin placing mechanism adjusts the position of the material discharging nozzle in place, and the positioning pin is put down; the positioning pin placing mechanism resets to give way the position below the pressure head; the positioning pin pressing mechanism presses down the positioning pin until the feedback of the sensor reaches a preset position; the fixed disc seat translation cylinder moves the off-line fixed disc seat and the fixed disc with the assembled pins out of the press mounting position, and the fixed disc transfer mechanism transfers the fixed disc from the off-line fixed disc seat to the line body tooling plate; the fixed plate transfer mechanism resets, the jacking positioning device resets, the station stopper releases, and the workpiece automatically enters the next station.

Furthermore, the movable and fixed disc automatic turnover device is used for turning over the movable disc and the fixed disc which are placed in the forward direction and placing the movable disc and the fixed disc on a corresponding reverse tooling on the tooling plate so as to facilitate the operation of the reverse side of the tooling plate by a subsequent station; the automatic movable and fixed disc overturning device comprises a movable disc overturning clamping jaw, a fixed disc overturning clamping jaw, a servo lifting mechanism, a claw hand lifting cylinder and an overturning mechanism, wherein the servo lifting mechanism is positioned right above the device, the lower part of the servo lifting mechanism is connected with the claw hand lifting cylinder, the overturning mechanism is arranged below the claw hand lifting cylinder, and the movable disc overturning clamping jaw and the fixed disc overturning clamping jaw are horizontally arranged on the overturning mechanism; the movable disc overturning clamping jaw is used for grabbing the movable disc; the fixed plate overturning clamping jaw is used for grabbing the fixed plate; the servo lifting mechanism is used for adjusting the reference position of the claw lifting cylinder according to the model of the movable and fixed disc and comprises a servo motor, a ball screw module and a lifting cylinder mounting plate; the claw hand lifting cylinder is arranged on the lifting cylinder mounting plate and used for lifting or putting down the movable disc overturning clamping jaw and the fixed disc overturning clamping jaw; the turnover mechanism is used for turning over the movable disc and the fixed disc and comprises a swing cylinder and a clamping jaw mounting plate; the movable fixed disc assembly on the tooling plate moves to a movable fixed disc overturning station along with the line body, and the jacking positioning device jacks in place; according to the model size of the movable and fixed disc, the servo lifting mechanism adjusts the height of the lifting cylinder mounting plate; claw hand lifting cylinders above the movable fixed disc tool extend out respectively, the movable disc overturning clamping jaw and the fixed disc overturning clamping jaw clamp and grab the movable fixed disc respectively, and the claw hand lifting cylinders reset; the swing cylinders corresponding to the movable and fixed disks respectively rotate, so that the movable and fixed disks just reach the upper parts of the corresponding reverse-placing tools when being overturned; the claw hand lifting cylinder extends out, the movable disc overturning clamping jaw and the fixed disc overturning clamping jaw are loosened, and the movable fixed disc is placed on respective reverse tools; the claw lifting cylinder resets, the jacking positioning device resets, the station stopper releases, and the workpiece automatically enters the next station; the tooling plate upper movable fixed disc assembly moves to a pressing and positioning pin B station along with the line body, the station is used for pressing and mounting a positioning pin on the reverse side of the fixed disc, the device and the specific action are basically the same as those of the pressing and positioning pin A station, detailed description is omitted, and the workpiece automatically enters the next station after automatic assembly is completed.

Further, the automatic steel ball loading spring device is used for sequentially placing the steel balls and the springs in the material tray into the back pressure holes in the fixed tray; the automatic steel ball spring loading device comprises a fixed disc transferring mechanism, a fixed disc line outer tool translation mechanism, a steel ball mounting mechanism and a spring mounting mechanism, and is arranged in an upper layer and a lower layer; the fixed disc transferring mechanism is used for transferring the line body tooling plate to a fixed disc line external tooling and comprises a fixed disc transferring clamping jaw, a fixed disc clamping jaw lifting cylinder and a fixed disc translation cylinder; the fixed disc line outer tool translation mechanism is used for reversely mounting a fixed disc and providing movement in two directions parallel to and perpendicular to a line body and comprises a fixed disc line outer tool, a fixed disc left-right translation mechanism and a fixed disc front-back translation mechanism, wherein the fixed disc line outer tool is used for reversely mounting the fixed disc; the steel ball mounting mechanism comprises a steel ball tray, a fixed plate pressing plate, a pressing plate lifting cylinder, a point punching rod, a pressure rod cylinder, a steel ball discharging chuck and a vent hole, wherein the steel ball tray stores steel balls and sends the steel balls into the steel ball discharging chuck; the spring mounting mechanism comprises a spring material rod, a spring clamping jaw translation mechanism, a spring positioning rod and a spring pressing-in rod, wherein the spring clamping jaw is used for taking a spring from the spring material rod and transferring the spring to the position under the spring positioning rod through the spring clamping jaw translation mechanism; the tooling plate upper movable fixed disc assembly moves to a steel ball spring loading station along with the wire body, and the jacking positioning device jacks in place; the fixed disc transferring mechanism transfers the tooling plate to a fixed disc off-line tooling, and the fixed disc left-right translation mechanism moves the fixed disc off-line tooling and a fixed disc on the fixed disc off-line tooling to an assembly operation position; the pressing plate lifting cylinder pushes the fixed disc pressing plate to press the upper end face of the fixed disc, the point punch rod extends into the back pressure hole to clean burrs, and the extending depth is detected; ventilating in the vent hole, and sliding the steel balls in the steel ball tray into the backpressure hole through the steel ball discharging clamp; the point punch rod extends into the back pressure hole again to detect the feedback extension depth, and the feedback extension depth is compared with the last detection result to confirm whether the steel ball is filled; the fixed disc pressing plate is reset, and the fixed disc line outer tool translation mechanism moves to a spring press-fitting operation position; the spring clamping jaw takes a spring from the spring material rod and transfers the spring to the position under the spring positioning rod through the spring clamping jaw translation mechanism, and the spring positioning rod penetrates through the spring and is inserted into the back pressure hole; the spring pressing rod presses the spring into the back pressure hole; the spring clamping jaw translation mechanism, the spring positioning rod and the spring pressing rod reset; the fixed disc transferring mechanism transfers the fixed disc from the fixed disc off-line tool to the tool plate, and the fixed disc transferring mechanism resets; the jacking positioning device resets, the station stopper releases, and the workpiece automatically enters the next station.

Further, the automatic plug installing device is used for placing a plug into the fixed disc and plugging the back pressure hole in the fixed disc; the automatic plug installing device comprises a fixed disc transferring mechanism, a fixed disc line outer tool displacement mechanism, a plug feeding mechanism, a plug press-mounting mechanism and a flow detection feedback mechanism, the device is divided into an upper layer, a middle layer and a lower layer, the fixed disc transferring mechanism is arranged on the left side of the upper layer, the plug feeding mechanism is arranged on the right side of the upper layer, the plug press-mounting mechanism is arranged on the middle layer, and the fixed disc line outer tool displacement mechanism is arranged on the lower layer; the fixed disc transferring mechanism is used for transferring the line body tooling plate to an off-line tooling plate and comprises a fixed disc transferring pneumatic claw and a transferring cylinder; the fixed disc off-line tool displacement mechanism is used for installing the fixed disc and controlling the fixed disc to move along the direction parallel to or vertical to the line body, and comprises an off-line tool plate, a fixed disc left-right translation mechanism and a fixed disc front-back translation mechanism; the plug feeding mechanism is used for placing a plug into the backpressure hole from the material box and comprises a material box and a material pushing mechanism, wherein the material box is used for storing a plug workpiece, and the material pushing mechanism is used for communicating the material box with the feeding mechanism so that the plug can enter the feeding mechanism; the plug press-mounting mechanism is used for placing a plug into a back pressure hole and comprises a feeding mechanism, a discharging nozzle, a pressing mechanism and a balance mechanism, wherein the feeding mechanism is used for pressing the plug into the discharging nozzle, the discharging nozzle is positioned above the feeding mechanism, a loaded workpiece does not fall off through air suction, after the feeding mechanism is moved away, the air suction in the discharging nozzle is stopped, the plug falls into the back pressure hole, the pressing mechanism is used for pressing the plug falling into the hole, and the balance mechanism presses the other side of the fixed plate to prevent the fixed plate from overturning when the pressing mechanism works; the flow detection feedback mechanism is used for ventilating in the installation process of the plug and detecting the flow of the loop, and feeding back monitoring data to control the pressing-in depth of the plug; the tooling plate upper movable fixed disc assembly moves to a plug installing station along with the line body, and the jacking positioning device jacks in place; the fixed disc transferring mechanism transfers the tooling plate to an off-line tooling plate, and the fixed disc off-line tooling displacement mechanism moves to an operation position; the material pushing mechanism works to enable a plug in the material box to enter the material feeding mechanism; the air cylinder pushes the plug in the feeding mechanism to enter the discharging nozzle, and the plug cannot fall in the discharging nozzle due to bottom air pressure generated by air suction; the feeding mechanism is reset, external air suction is stopped, and the plug falls into the back pressure hole from the discharging nozzle; the pressing mechanism presses the plug deeply, the balance mechanism keeps the stability of the fixed disc, constant-pressure gas is introduced into the fixed disc in the process, and the flow detection feedback mechanism detects and feeds back the flow of the loop and is used for controlling the pressing depth of the plug; the nitrogen introducing device resets, the pressing mechanism resets, and the balance mechanism resets; the fixed disc transferring mechanism transfers the fixed disc to a tooling plate of the wire return body, the fixed disc transferring mechanism resets, the jacking positioning device resets, the station stopper releases, and the workpiece automatically enters the next station.

Furthermore, the automatic exhaust valve plate mounting device is used for placing the exhaust valve plate on a specific position of the fixed disc, placing the limiting plate on the exhaust valve plate, and fixing the exhaust valve plate and the limiting plate on the fixed disc shell through screws; the device for automatically installing the exhaust valve plate comprises a material storage device, a transfer mechanism and a screw locking mechanism, wherein the material storage device is positioned at the lower left part of the device, the transfer mechanism is positioned at the upper left part of the device, and the screw locking mechanism is positioned at the right part of the device; the storage device is used for storing the exhaust valve plate and the limiting plate to be assembled; the moving mechanism is used for moving the exhaust valve plate and the limiting plate to the fixed plate respectively and comprises a sucker, a sucker lifting cylinder, a servo mechanism, a limiting plate cylinder and a limiting plate, wherein the sucker is used for sucking and grabbing the exhaust valve plate and the limiting plate; the screw locking mechanism is used for locking the exhaust valve plate and the limiting plate on the fixed disc through screws and comprises a screw gun cylinder and a screw gun; the tooling plate upper movable fixed disc assembly moves to a position for installing an exhaust valve plate along with the wire body, and the jacking positioning device jacks in place; the limiting plate cylinder controls the limiting plate to descend and press the limiting plate on the tooling plate; the shifting mechanism absorbs the exhaust valve plate from the material storage device and shifts the exhaust valve plate to a fixed disc of the tooling plate, and the shifting mechanism absorbs the limiting plate from the material storage device and shifts the limiting plate to the exhaust valve plate placed on the fixed disc; the screw locking mechanism moves to the upper part of the fixed plate, the air cylinder of the screw gun extends out, a screw is blown into the screw gun, and the screw is screwed in by the screw gun; the screw gun returns, the screw gun cylinder resets, the transfer mechanism resets, the limiting plate resets, the jacking positioning device resets, the station stopper releases, and the workpiece automatically enters the next station.

Furthermore, the automatic tightness testing device is used for detecting the air tightness of the fixed disc exhaust cavity, relevant testing parameters are displayed through a display screen, and the testing results are collected in an informationized mode and data are uploaded to an MES (manufacturing execution system); the automatic tightness testing device comprises a sealing mechanism, an inflating mechanism and a detecting system, wherein the inflating mechanism is arranged at the lower part of the rack, and the sealing mechanism is arranged above the table panel; the sealing mechanism is used for plugging the fixed disc exhaust cavity and comprises a plug pressing cylinder and a sealing plug, wherein the plug pressing cylinder is used for pressing the sealing plug to the end face of the fixed disc, and the sealing plug is used for sealing the fixed disc exhaust cavity; the inflation mechanism is used for inflating gas with certain pressure into the sealed fixed disc exhaust cavity; the detection system is used for detecting the pressure drop in the exhaust cavity of the fixed plate for a period of time, and the detection result is collected in an informationized manner and uploaded to the MES; the tool plate upper movable fixed disc assembly moves to a sealing test station along with the wire body, and the jacking positioning device jacks in place; the plug pressing cylinder extends out to push the sealing plug to plug the fixed disc exhaust cavity; the air charging mechanism charges air with certain pressure into the sealed exhaust cavity, and the detection system detects the pressure drop in the exhaust cavity for a period of time; the inflation mechanism stops inflating, and the choke plug pressing cylinder resets; and if the tightness detection does not meet the requirement, the light alarm is given, if the tightness detection meets the requirement, the jacking positioning device is reset, the station stopper is released, and the workpiece automatically enters the next station.

Furthermore, the automatic anti-rotation ring mounting device is used for placing the anti-rotation ring into the fixed hole of the movable disc; the automatic anti-rotation ring mounting device comprises a movable disc positioning mechanism, an anti-rotation ring mounting mechanism and a visual detection mechanism, wherein the movable disc positioning mechanism is positioned at the right part of the device; the movable disc positioning mechanism is used for positioning a fixed hole of the movable disc and pressing the movable disc and comprises a positioning cylinder, a positioning guide pillar, a pressing cylinder and a pressing head, wherein the positioning cylinder is used for pushing the positioning guide pillar to be inserted into the fixed hole of the movable disc to realize the positioning of the movable disc, and the pressing cylinder pushes the pressing head to press on a bearing seat of the movable disc to keep the movable disc not to move; the anti-rotation ring mounting mechanism is used for sequentially placing anti-rotation rings into the movable disc fixing hole and comprises an anti-rotation ring material box, an anti-rotation ring clamping jaw lifting cylinder and a servo positioning mechanism, wherein the anti-rotation ring material box is used for storing and feeding the anti-rotation rings, the anti-rotation ring clamping jaw is used for grabbing and placing the anti-rotation rings, the anti-rotation ring clamping jaw lifting cylinder is used for controlling the lifting of the anti-rotation ring clamping jaw, and the servo positioning mechanism is used for displacing the anti-rotation ring clamping jaw on a plane; the visual detection mechanism is used for detecting whether the anti-rotation ring is completely arranged and comprises a camera and a light source; the tooling plate upper movable fixed disc assembly moves to a position where the anti-rotation ring is installed along with the wire body, and the jacking positioning device jacks in place; the positioning cylinder pushes the positioning guide pillar to be inserted into the movable disc fixing hole, the pressing cylinder pushes the pressing head to be pressed on the movable disc bearing seat, and the positioning cylinder resets; the anti-rotation ring clamping jaw grabs the anti-rotation ring and reaches the upper part of the movable disc fixing hole under the control of the servo positioning mechanism; the anti-rotation ring clamping claw lifting cylinder descends, the anti-rotation ring clamping claw loosens, and the first anti-rotation ring is placed into the first movable disc fixing hole; taking the anti-rotation ring clamping jaw again, placing the anti-rotation ring in the next movable disc fixing hole under the control of the servo positioning mechanism, and repeating the operation until the anti-rotation rings are placed in all the movable disc fixing holes; the anti-rotation ring clamping jaw is reset, and the visual detection mechanism reaches the upper part of each movable disc fixing hole under the control of the servo positioning mechanism to take a picture, so that the anti-rotation ring is ensured to be installed without omission; after the detection is finished, the visual detection mechanism resets, the jacking positioning device resets, the station stopper releases, and the workpiece automatically enters the next station.

Has the advantages that: compared with the prior art, the automatic assembly production line for the automobile air conditioner compressor movable fixed disc adopts automatic continuous production, greatly improves the production efficiency of the automobile air conditioner compressor movable fixed disc, and effectively improves the consistency of product quality; the existing manual operation mode is replaced, the number of operators is greatly reduced, the labor intensity is reduced, and the method has remarkable effects on reducing the production cost of enterprises and improving the economic benefit.

Drawings

FIG. 1 is a schematic structural view of an automatic assembly line for a motor-driven fixed plate of an automobile air conditioner compressor;

FIG. 2 is a schematic structural diagram of a stator plate of an automobile air-conditioning compressor;

FIG. 3 is a schematic view of the structure of a motor-driven plate of an air conditioner for a vehicle;

FIG. 4 is a schematic structural view of a movable and fixed plate tooling plate;

FIG. 5 is a schematic structural diagram of an automatic measuring device for a movable and fixed plate;

FIG. 6 is a schematic structural diagram of an automatic matching device for a movable plate and a fixed plate;

FIG. 7 is a schematic structural view of an automatic pressing positioning pin device with a movable plate and a fixed plate;

FIG. 8 is a schematic structural view of an automatic turnover device for a movable and fixed tray;

FIG. 9 is a schematic structural view of a spring device for automatically loading steel balls;

FIG. 10 is a schematic view of the automatic plugging device;

FIG. 11 is a schematic structural view of an apparatus for automatically assembling an exhaust valve plate;

FIG. 12 is a schematic structural view of an automatic tightness testing device;

fig. 13 is a schematic structural diagram of an automatic anti-rotation ring installation device.

Detailed Description

The invention is further illustrated by the following examples and figures.

As in fig. 1-13, the reference numbers are: the device comprises a fixed disc 10, a fixed disc shell 11, a positioning pin 12, a steel ball 13, a spring 14, a plug 15, an exhaust valve plate 16, a limiting plate 17, a screw 18, a pin hole 1101 and a back pressure hole 1102; the movable disc 20, the movable disc shell 21, the anti-rotation ring 22, the bearing 23, the bearing seat 2101 and the fixing hole 2102; the device comprises a wire body 30, a tooling plate 31, a tooling plate bottom plate 311, a fixed disc positive placing tooling 312, a fixed disc reverse placing tooling 313, a movable disc positive placing tooling 314, a movable disc reverse placing tooling 315, a detection block 316, a chip support 317, a buffer block 318 and a jacking positioning hole 319; a movable and fixed disc automatic loading and unloading device 40; the automatic measuring device comprises a movable disc and fixed disc automatic measuring device 50, a lifting device 51, a movable disc measuring mechanism 52, a fixed disc measuring mechanism 53, a measuring head lifting cylinder 511, a support frame 512, a buffer limiting bolt 513, a measuring head mounting plate 514, a measuring head positioning disc 521, a connecting column 522, a height sensor 523 and a height sensor 533; a movable and fixed tray automatic matching device 60, a three-dimensional storage warehouse 61, a transfer robot 62, a storage warehouse movable tray clamping jaw 63, a fixed code scanning gun 64 and a movable tray waste box 65; the automatic pressing positioning pin device 70, the fixed disc transferring mechanism 71, the fixed disc off-line tooling 72, the positioning pin feeding mechanism 73, the positioning pin placing mechanism 74, the positioning pin pressing mechanism 75, the fixed disc transferring cylinder 711, the fixed disc claw lifting cylinder 712, the fixed disc claw 713, the off-line fixed disc seat 721 and the fixed disc seat translation cylinder 722, wherein the off-line fixed disc seat 721, the vibrating tray 731, the guide pipe 732, the discharging nozzle lifting cylinder 741, the discharging nozzle translation cylinder 742, the discharging nozzle 743, the discharging cylinder 744, the pressing pin cylinder 751, the pressing head 752 and the sensor 753 are arranged in the automatic pressing positioning pin device; the automatic fixed disc overturning device 80, the movable disc overturning clamping jaw 81, the fixed disc overturning clamping jaw 82, the servo lifting mechanism 83, the claw hand lifting cylinder 84, the overturning mechanism 85, the ball screw module 841, the lifting cylinder mounting plate 842, the swinging cylinder 851 and the clamping jaw mounting plate 852; the automatic steel ball loading and spring loading device 90, a fixed disc transferring mechanism 91, a fixed disc line external tooling translation mechanism 92, a steel ball mounting mechanism 93, a spring mounting mechanism 94, a fixed disc transferring clamping jaw 911, a fixed disc clamping jaw lifting cylinder 912, a fixed disc translation cylinder 913, a fixed disc line external tooling 921, a fixed disc left-right translation mechanism 922, a fixed disc front-back translation mechanism 923, a steel ball material disc 931, a fixed disc pressing plate 932, a pressing plate lifting cylinder 933, a point punching rod 934, a pressing rod cylinder 935, a steel ball discharging chuck 936, a spring material rod 941 and a spring clamping jaw 942; the automatic plug loading device 100, the fixed disc transferring mechanism 101, the fixed disc off-line tool displacement mechanism 102, the plug feeding mechanism 103, the plug press-mounting mechanism 104, the fixed disc transferring air claw 1011, the transferring cylinder 1012, the off-line tool plate 1021, the fixed disc left-right translation mechanism 1022, the fixed disc front-back translation mechanism 1023, the bin 1031, the pushing mechanism 1032, the feeding mechanism 1041, the discharging nozzle 1042 and the pressing mechanism 1043; the automatic air discharge valve plate installing device 110, the material storing device 111, the transferring mechanism 112, the screw locking mechanism 113, the sucking disc 1121, the sucking disc lifting cylinder 1122, the servo mechanism 1123, the limiting plate air cylinder 1124, the limiting plate 1125 and the screw gun air cylinder 1131; the automatic tightness testing device 120, the sealing mechanism 121, the inflating mechanism 122, the plug pressing cylinder 1211 and the sealing plug 1212; the automatic anti-rotation ring device 130, the movable disc positioning mechanism 131, the anti-rotation ring mounting mechanism 132, the visual detection mechanism 133, the positioning air cylinder 1311, the positioning guide post 1312, the pressing air cylinder 1313, the pressing head 1314, the anti-rotation ring bin 1321, the anti-rotation ring clamping jaw 1322, the anti-rotation ring clamping jaw lifting air cylinder 1323, the servo positioning mechanism 1324, the camera 1331, the light source 1332, the movable disc bearing block 2101 and the movable disc fixing hole 2102 are installed.

As shown in fig. 1, an automatic assembly line for a mobile fixed plate of an automobile air-conditioning compressor is used for intelligent assembly of the mobile fixed plate of the automobile air-conditioning compressor, and comprises a line body 30, and an automatic feeding and discharging device 40 for the mobile fixed plate, an automatic measuring device 50 for the mobile fixed plate, an automatic selecting and assembling device 60 for the mobile fixed plate, an automatic pressing and positioning pin device 70, an automatic overturning device 80 for the mobile fixed plate, an automatic steel ball spring loading device 90, an automatic plug loading device 100, an automatic exhaust valve plate loading device 110, an automatic tightness testing device 120 and an automatic anti-rotation ring loading device 130 which are sequentially arranged along the line body transmission direction.

As shown in fig. 2, the fixed plate 10 of the automobile air-conditioning compressor comprises a fixed plate shell 11, a positioning pin 12, a steel ball 13, a spring 14, a plug 15, an exhaust valve plate 16, a limiting plate 17 and a screw 18. Wherein, the front and back end surfaces of the fixed disc shell 11 are respectively provided with two pin holes 1101 for installing the positioning pins 12; the back surface of the fixed disc shell 11 is provided with a back pressure hole 1102 for mounting a steel ball 13, a spring 14 and a plug 15.

As shown in fig. 3, the movable plate 20 of the automotive air conditioner compressor comprises a movable plate shell 21, an anti-rotation ring 22, a bearing 23 and the like. Wherein, be equipped with driving disk bearing frame 2101 on driving disk casing 21, driving disk fixed orifices 2102, bearing 23 is installed in bearing frame 2101, prevents revolving ring 22 and installs in fixed orifices 2102, still is printed on driving disk casing 21 two-dimensional code identification sign.

The line body 30 is provided with a plurality of tooling plates 31 arranged along the transmission direction, and sequentially forms a movable fixed disc feeding station, a movable fixed disc measuring station, a movable fixed disc assembling station, a pressing positioning pin A station, a movable fixed disc overturning station, a pressing positioning pin B station, a steel ball spring loading station, a plug loading station, an exhaust valve block loading station, a tightness testing station, an anti-rotation ring loading station and a movable fixed disc discharging station.

As shown in fig. 4, the tooling plate 31 includes a tooling plate bottom plate 311, a fixed disc forward-placing tooling 312, a fixed disc reverse-placing tooling 313, a movable disc forward-placing tooling 314, a movable disc reverse-placing tooling 315, a detection block 316, a chip support 317, a buffer block 318, and a jacking positioning hole 319, wherein the fixed disc forward-placing tooling 312, the fixed disc reverse-placing tooling 313, the movable disc forward-placing tooling 314, and the movable disc reverse-placing tooling 315 are approximately and uniformly arranged on the upper surface of the tooling plate bottom plate 311, 2 detection blocks 316 are symmetrically arranged on corners of the upper surface of the tooling plate bottom plate 311, the chip support 317 is arranged on the other corner of the tooling plate bottom plate 311, the buffer block 318 is arranged on one side edge of the tooling plate bottom plate 311, and the jacking positioning hole 319 is arranged at a specific position on the tooling plate bottom plate 311. The tool plate bottom plate 311 is provided with a plurality of threaded holes and unthreaded holes for mounting and positioning the tool positions of the movable and fixed disks and auxiliary parts; the fixed disc positive placing tool 312 comprises a fixed disc base plate, a stop pin, a plunger mounting block and a knob plunger, and is used for positive mounting and positioning of the fixed disc; the fixed disc reverse-placing tool 313 is matched with a positioning pin 12 arranged on the fixed disc 10 through a positioning pin bushing arranged on the tool plate 31, so that the fixed disc is reversely mounted and positioned; the movable disc positive placing tool 314 comprises a movable disc positioning column, a movable disc base plate and a stop screw and is used for forward installation and positioning of the movable disc; the movable disc reverse-releasing tool 315 comprises a movable disc mounting seat, a knob plunger and a movable disc stop block and is used for reversely mounting and positioning the movable disc; the detection block 316 is used for detecting whether a workpiece exists on the tooling plate or not; the chip holder 317 is used for mounting an RFID chip; the buffer block 318 is used for buffering when the tooling plate is blocked; the jacking positioning holes 319 can be matched with the positioning pins of the jacking tables of all the stations to accurately position the tooling plate.

And the movable and fixed disc automatic loading and unloading device 40 transfers the movable disc 20 and the fixed disc 10 in the material box to the tools corresponding to the line body tool plate 31 respectively through the loading and unloading robot.

And the automatic movable and fixed disc measuring device 50 is used for measuring the local height dimension parameters of the movable disc and the fixed disc so as to identify the model of the movable and fixed disc and judge whether the movable and fixed disc are matched or not. As shown in fig. 5, the automatic movable/fixed-plate measuring device 50 includes a lifting device 51, a movable-plate measuring mechanism 52, and a fixed-plate measuring mechanism 53, wherein the lifting device 51 is located at the uppermost part of the apparatus, and the movable-plate measuring mechanism 52 and the fixed-plate measuring mechanism 53 are connected in parallel below the lifting device 51. The lifting device 51 is used for driving the measuring mechanism to lift and comprises a measuring head lifting cylinder 511, a support frame 512, a buffering limit bolt 513 and a measuring head mounting plate 514; the measuring head lifting cylinder 511 is an execution element and drives the measuring head mounting plate 514 to move up and down; the buffering limit bolt 513 is installed on the support frame 512 and used for limiting the movement stroke of the measuring head lifting cylinder 511 and playing a role in buffering; the gauge head mounting plate 514 is used for mounting a measuring mechanism. The moving disk measuring mechanism 52 is used for measuring the heights of two planes of the moving disk to determine the model number of the moving disk, and comprises a measuring head positioning disk 521, a connecting column 522 and a height sensor 523; the measuring head positioning disc 521 is used for positioning the height sensor 523 on a horizontal plane; the connecting column 522 is connected with the measuring head mounting plate 514 and the measuring head positioning disc 521; the height sensor 523 measures and feeds back the height information of the measured plane; the fixed plate measuring mechanism 53 includes a measuring head positioning plate 531, a connecting column 532, and a height sensor 533, which function as the components of the movable plate measuring mechanism 52. The detection of the moving plate measuring mechanism 52 on the same plane adopts a plurality of height sensors 523, and the measured values are averaged to reduce the error; likewise, the moving plate measuring mechanism 53 also includes a plurality of height sensors 533.

The movable fixed disc assembly on the tooling plate 31 moves to a movable fixed disc measuring station along with the wire body 30, and the jacking positioning device jacks in place; the lifting device 51 drives the movable disc measuring mechanism 52 and the fixed disc measuring mechanism 53 to move downwards, when the lifting device 51 reaches the lower limit position, the sensor completes height measurement, the lifting device 51 resets, the jacking positioning device resets, the station stopper releases, and the workpiece automatically enters the next station.

And the automatic movable and fixed disc matching device 60 is used for realizing model matching of the movable disc 20 and the fixed disc 10. As shown in fig. 6, the automatic moving/fixed-plate selecting and matching device 60 includes a three-dimensional storage 61, a transferring robot 62, a storage movable-plate clamping jaw 63, a fixed code-scanning gun 64, and a movable-plate waste bin 65, wherein the transferring robot 62 is installed at one side of the wire 30, the three-dimensional storage 61 is placed at the same side of the transferring robot 62 but far away therefrom, the fixed code-scanning gun 64 and the movable-plate waste bin 65 are installed in parallel on the side wall of the wire 30 close to the transferring robot 62, and the storage movable-plate clamping jaw 63 is installed at the end of the arm of the transferring robot 62. The three-dimensional storage warehouse 61 is used for storing various types of movable discs 20 to be taken; the transfer robot 62 is used for taking out the movable tray 20 with the size matched with that of the fixed tray 10 from the three-dimensional storage 61 to replace the unmatched movable tray 20; the storage cam gripper 63 is used for gripping the cam plate 20; the fixed code scanning gun 64 is used for scanning the two-dimensional code on the shell of the taken-out disc 20 and confirming the model of the two-dimensional code; if the automatically grabbed movable disc 20 does not match the information obtained by scanning the two-dimensional code, the automatically grabbed movable disc is placed into the movable disc waste bin 65. The three-dimensional storage 61 comprises 8 rows of rolling stacks, each row being capable of storing about 40 moving disks 20; the inner side of the storage movable disc clamping jaw 63 is made of nylon materials so as to reduce damage to the workpiece in the grabbing process.

The movable fixed disc assembly on the tooling plate 31 rotates to a movable fixed disc assembly station along with the wire body 30, and the jacking positioning device jacks in place; according to the detection result of the size of the previous station, if the size of the movable disc 20 is matched with that of the fixed disc 10, the movable disc directly enters the next station; if the sizes of the two are not matched, the transfer robot 62 and the storage movable disc clamping jaws 63 work in a matched mode, the unmatched movable disc 20 is transferred from the tool plate 31 to the three-dimensional storage 61, and the required matched movable disc 20 is transferred from the three-dimensional storage 61 to the tool plate 31; scanning the two-dimensional code on the shell of the moved disc 20 by using a fixed code scanning gun 64 in the transferring process, and if the information is not matched, putting the two-dimensional code into a movable disc waste box 65; after the transfer is completed, the movable disc clamping jaw 63 of the storage warehouse is loosened, the transfer robot 62 resets, the jacking positioning device resets, the station stopper releases, and the workpiece automatically enters the next station.

And the automatic pressing positioning pin device 70 is used for installing and pressing the positioning pin 12 into the pin hole 1101 on the end surface of the fixed disc 10. As shown in fig. 7, the automatic pressing positioning pin device 70 includes a fixed disk transferring mechanism 71, a fixed disk off-line tool 72, a positioning pin feeding mechanism 73, a positioning pin placing mechanism 74, and a positioning pin pressing mechanism 75, wherein the positioning pin pressing mechanism 75 is located at the upper center of the device, the positioning pin feeding mechanism 73 is arranged at the left side, the fixed disk transferring mechanism 71 is arranged at the right side, and the positioning pin placing mechanism 74 and the fixed disk off-line tool 72 are sequentially arranged right below. The fixed disc transferring mechanism 71 is used for transferring the fixed disc 10 on the tooling plate 31 to the fixed disc off-line tooling 72, and comprises a fixed disc transferring cylinder 711, a fixed disc claw lifting cylinder 712 and a fixed disc claw 713, wherein the fixed disc transferring cylinder 711 is used for transversely translating the fixed disc claw 713, the fixed disc claw lifting cylinder 712 is used for controlling the fixed disc claw 713 to lift, and the fixed disc claw 713 is used for grabbing the fixed disc 10; the fixed disc off-line tooling 72 is used for installing the fixed disc 10 and transferring the fixed disc 10 to the position under the positioning pin pressing mechanism 75, and comprises an off-line fixed disc seat 721 and a fixed disc seat translation cylinder 722, wherein the off-line fixed disc seat 721 is used for installing the fixed disc 10, and the fixed disc seat translation cylinder 722 is used for moving the off-line fixed disc seat 721 to enable the fixed disc 10 to be assembled to be positioned under the positioning pin assembling mechanism; the positioning pin feeding mechanism 73 is used for conveying the positioning pin 12 to the positioning pin placing mechanism 74 and comprises a vibration tray 731 and a guide pipe 732, wherein the vibration tray 731 conveys the positioning pin 12 into the positioning pin placing mechanism 74 through the guide pipe 732; the positioning pin placing mechanism 74 is used for placing the positioning pin 12 into the pin hole 1101 of the fixed plate 10, and comprises a discharging nozzle lifting cylinder 741, a discharging nozzle translation cylinder 742, a discharging nozzle 743 and a discharging cylinder 744, wherein the discharging nozzle lifting cylinder 741 and the discharging nozzle translation cylinder 742 respectively control the height and the horizontal position of the discharging nozzle 743, and the discharging cylinder 744 controls whether the supplied material positioning pin 12 is placed down; the positioning pin pressing mechanism 75 is used for pressing the positioning pin 12 placed in the fixed plate 10 and comprises a pressing pin cylinder 751, a pressing head 752 and a sensor 753, wherein the pressing pin cylinder 751 is used for pushing the pressing head 752 to press the positioning pin 12, and the sensor 753 is used for monitoring feedback data. The fixed plate claw 713 is of a three-claw structure, and the part of the inner side for clamping the workpiece is made of POM material, so that the damage to the workpiece is reduced; the pressure head 752 is disc-shaped and is simultaneously pressed and mounted with two positioning pins 12 on one side of the positioning disc 10; the discharging nozzle 743 controls the plug through the air cylinder to realize the blocking or releasing of the incoming materials; the sensors 753 are in the form of pressure sensors and displacement sensors.

The tooling plate 31 moves up and the fixed disc assembly moves to a station of a pressing and positioning pin A along with the wire body 30, and the jacking and positioning device jacks in place; the fixed disk transferring mechanism 71 transfers the fixed disk 10 from the line body tooling plate 31 to the off-line fixed disk seat 721, and the fixed disk transferring mechanism 71 is reset; the fixed disc seat translation cylinder 722 moves the off-line fixed disc seat 721 together with the fixed disc 10 thereon to the position right below the pressure head 752, the positioning pin placing mechanism 74 adjusts the position of the discharging nozzle 743 in place, and the positioning pin 12 is put down; the positioning pin placing mechanism 74 resets to give way the lower position of the pressure head 752; the positioning pin pressing mechanism 75 presses the positioning pin 12 downwards until the feedback of the sensor 753 reaches a preset position; the fixed disc seat translation cylinder 722 moves the off-line fixed disc seat 721 together with the fixed disc 10 with the assembled pins out of the press-fitting position, and the fixed disc transfer mechanism 71 transfers the fixed disc 10 from the off-line fixed disc seat 721 back to the line body tooling plate 31; the fixed plate transferring mechanism 71 resets, the jacking positioning device resets, the station stopper releases, and the workpiece automatically enters the next station.

And the automatic movable-fixed disc overturning device 80 is used for overturning the movable disc 20 and the fixed disc 10 which are placed in the forward direction and placing the movable disc and the fixed disc on a corresponding reverse tool on the tool plate 31 so as to facilitate the operation of the reverse side of the subsequent station. As shown in fig. 7, the movable-fixed disk automatic turnover device 80 includes a movable disk turnover clamping jaw 81, a fixed disk turnover clamping jaw 82, a servo lifting mechanism 83, a claw lifting cylinder 84, and a turnover mechanism 85, wherein the servo lifting mechanism 83 is located right above the device, the claw lifting cylinder 84 is connected below the servo lifting mechanism 83, the turnover mechanism 85 is installed below the claw lifting cylinder 84, and the movable disk turnover clamping jaw 81 and the fixed disk turnover clamping jaw 82 are horizontally installed on the turnover mechanism 85. The movable plate overturning clamping jaw 81 is used for grabbing the movable plate 20; the fixed plate overturning clamping jaw 82 is used for grabbing the fixed plate 10; the servo lifting mechanism 83 is used for adjusting the reference position of the claw lifting cylinder 84 according to the model of the movable and fixed disc, and comprises a servo motor, a ball screw module 841 and a lifting cylinder mounting plate 842; the claw hand lifting cylinder 84 is arranged on the lifting cylinder mounting plate 842 and used for lifting or lowering the movable disc overturning clamping jaw 81 and the fixed disc overturning clamping jaw 82; the turnover mechanism 85 is used for turning over the movable plate 20 and the fixed plate 10 and comprises a swing cylinder 851 and a clamping jaw mounting plate 852. The inner sides of the movable platen overturning clamping jaw 81 and the fixed platen overturning clamping jaw 82 are provided with POM material pads for protecting the workpiece from being damaged.

The movable fixed disc assembly on the tooling plate 31 rotates to a movable fixed disc overturning station along with the wire body 30, and the jacking positioning device jacks in place; according to the size of the movable and fixed disks, the servo lifting mechanism 83 adjusts the height of the lifting cylinder mounting plate 842; claw hand lifting cylinders 84 above the movable fixed disc tool respectively extend out, the movable disc overturning clamping jaws 81 and the fixed disc overturning clamping jaws 82 respectively clamp and grab the movable fixed disc, and the claw hand lifting cylinders 84 reset; the swing cylinders 851 corresponding to the movable and fixed disks rotate 180 degrees respectively, so that the movable and fixed disks just reach the upper parts of the corresponding reverse-placing tools when being overturned; the claw hand lifting cylinder 84 extends out, the movable disc overturning clamping jaw 81 and the fixed disc overturning clamping jaw 82 are loosened, and the movable fixed disc is placed on respective reverse tools; the claw lifting cylinder 84 resets, the jacking positioning device resets, the station stopper releases, and the workpiece automatically enters the next station.

The tooling plate 31 moves up the fixed disc assembly and flows to a pressing and positioning pin B station along with the wire body 30, the station is used for pressing and mounting the positioning pin 12 on the reverse side of the fixed disc 10, the device and the specific action are basically the same as those of the pressing and positioning pin A station, detailed description is omitted, and the workpiece automatically enters the next station after automatic assembly is completed.

And the automatic steel ball loading spring device 90 is used for sequentially placing the steel balls 13 and the springs 14 in the material tray into the back pressure holes 1102 on the fixed tray 10. As shown in fig. 9, the automatic steel ball spring loading device 90 includes a fixed plate transfer mechanism 91, a fixed plate line outer tool translation mechanism 92, a steel ball mounting mechanism 93, and a spring mounting mechanism 94, and the device is arranged in upper and lower layers, the fixed plate transfer mechanism 91 is arranged on the right side of the upper layer, the steel ball mounting mechanism 93 is arranged on the left side of the upper layer, the fixed plate line outer tool translation mechanism 92 is arranged in the center of the lower layer, and the spring mounting mechanism 94 is arranged on the left side of the lower layer. The fixed disc transferring mechanism 91 is used for transferring the line body tooling plate 31 to a fixed disc line outer tooling 921 and comprises a fixed disc transferring clamping jaw 911, a fixed disc clamping jaw lifting cylinder 912 and a fixed disc translation cylinder 913; the fixed disc line external tooling translation mechanism 92 is used for reversely mounting the fixed disc 10 and can provide movement in two directions parallel to and perpendicular to the line body 30, and comprises a fixed disc line external tooling 921, a fixed disc left-right translation mechanism 922 and a fixed disc front-back translation mechanism 923, wherein the fixed disc line external tooling 921 is used for reversely mounting the fixed disc 10, the fixed disc left-right translation mechanism 922 is used for moving the fixed disc line external tooling 921 and the fixed disc 10 thereon to an assembly operation position, and the fixed disc front-back translation mechanism 923 is used for adjusting the front-back position of the fixed disc line external tooling 921 so as to enable the fixed disc line external tooling 921 to be compatible with different assembly positions of the steel ball 13 and the spring 14; the steel ball mounting mechanism 93 comprises a steel ball tray 931, a fixed tray pressing plate 932, a pressing plate lifting cylinder 933, a point punch 934, a pressing rod cylinder 935, a steel ball discharging chuck 936 and a vent, wherein the steel ball tray 931 stores steel balls 13 and sends the steel balls into the steel ball discharging chuck 936, the pressing plate lifting cylinder 933 is used for driving the fixed tray pressing plate 932 to press the upper end surface of the fixed tray 10, the pressing rod cylinder 935 is used for driving the point punch 934 to extend into the backpressure hole 1102, the point punch 934 is used for removing burrs possibly existing in the backpressure hole 1102 and is also used for detecting the height of the steel balls 13 placed into the rear hole, and the vent is internally vented to prevent the steel balls 13 from smoothly sliding into the backpressure hole 1102; spring installation mechanism 94 includes spring material pole 941, spring clamping jaw 942, spring clamping jaw translation mechanism, spring locating lever, spring push-in pole, and wherein spring clamping jaw 942 is used for taking spring 14 from spring material pole 941 and moves the right below to the spring locating lever through spring clamping jaw translation mechanism, and the spring locating lever passes spring 14 and inserts in backpressure hole 1102, plays the location guide effect, and spring push-in pole will lead spring 14 and press the entering backpressure hole 1102 in. The fixed disc left-right translation mechanism 922 adopts a servo motor and a ball screw module, and the fixed disc front-back translation mechanism 923 adopts a cylinder; the steel ball material tray 931 feeds materials in a vibration material tray blowing mode; the steel ball discharging chuck 936 is tightly pressed and installed on the fixed plate pressing plate 932 by a spring; the spring material rods 941 are provided with 4 groups and placed on the index plate.

The tooling plate 31 moves up and down the fixed disc assembly to a steel ball spring loading station along with the wire body 30, and the jacking positioning device jacks in place; the fixed disc transferring mechanism 91 transfers the tooling plate 31 to the fixed disc off-line tooling 921, and the fixed disc left-right translation mechanism 922 moves the fixed disc off-line tooling 921 and the fixed disc 10 thereon to the assembly operation position; a pressure plate lifting cylinder 933 pushes a fixed disc pressure plate 932 to press the upper end surface of the fixed disc 10, a point impact rod 934 extends into the backpressure hole 1102 to clean burrs which may exist, and the extension depth is detected; the vent is ventilated, and the steel balls 13 in the steel ball tray 931 slide into the backpressure hole 1102 through the steel ball discharging chuck 936; the point punch 934 extends into the backpressure hole 1102 again to detect the feedback extension depth, and the feedback extension depth is compared with the previous detection result to confirm whether the steel ball 13 is installed or not; the fixed disc pressing plate 932 is reset, and the fixed disc line outer tool translation mechanism 92 moves to the spring press-fitting operation position; the spring clamping jaws 942 take the spring 14 from the spring material rod 941 and move the spring 14 to a position right below the spring positioning rod through a spring clamping jaw translation mechanism, and the spring positioning rod penetrates through the spring 14 and is inserted into the backpressure hole 1102; the spring press-in lever presses the spring 14 into the back pressure hole 1102; the spring clamping jaw translation mechanism, the spring positioning rod and the spring pressing rod reset; the fixed disk transferring mechanism 91 transfers the fixed disk from the fixed disk off-line tool 921 to the tool plate 31, and the fixed disk transferring mechanism 91 resets; the jacking positioning device resets, the station stopper releases, and the workpiece automatically enters the next station.

The automatic plugging device 100 is used for placing the plug 15 into the fixed disc and plugging the back pressure hole 1102 on the fixed disc. As shown in fig. 10, the automatic plug loading device 100 includes a fixed disk transfer mechanism 101, a fixed disk line outer tool displacement mechanism 102, a plug feeding mechanism 103, a plug press-mounting mechanism 104, and a flow rate detection feedback mechanism, and the device is divided into an upper layer, a middle layer, and a lower layer, the fixed disk transfer mechanism 101 is disposed on the left side of the upper layer, the plug feeding mechanism 103 is disposed on the right side of the upper layer, the plug press-mounting mechanism 104 is disposed on the middle layer, and the fixed disk line outer tool displacement mechanism 102 is disposed on the lower layer. The fixed disk transferring mechanism 101 is used for transferring the line body tooling plate 31 to an off-line tooling plate and comprises a fixed disk transferring air claw 1011 and a transferring air cylinder 1012; the fixed disc off-line tooling displacement mechanism 102 is used for mounting the fixed disc 10 and controlling the fixed disc to move along the direction parallel or vertical to the line body, and comprises an off-line tooling plate 1021, a fixed disc left-right translation mechanism 1022 and a fixed disc front-back translation mechanism 1023; the plug feeding mechanism 103 is used for placing the plugs 15 into the backpressure hole 1102 from the work bin 1031, and comprises the work bin 1031 and a material pushing mechanism 1032, wherein the work bin 1031 is used for storing workpieces of the plugs 15, and the material pushing mechanism 1032 is used for conducting the work bin 1031 and the feeding mechanism 1041, so that the plugs 15 can enter the feeding mechanism 1041; the plug press-mounting mechanism 104 is used for placing a plug 15 into the back pressure hole 1102 and comprises a feeding mechanism 1041, a discharging nozzle 1042, a pressing mechanism 1043 and a balance mechanism, wherein the feeding mechanism 1041 is used for pressing the plug 15 into the discharging nozzle 1042, the discharging nozzle 1042 is positioned above the feeding mechanism 1041, a workpiece to be loaded does not fall off through air suction, after the feeding mechanism 1041 is moved away, the air suction in the discharging nozzle 1042 is stopped, the plug 15 falls into the back pressure hole 1102, the pressing mechanism 1043 is used for pressing the plug 15 falling into the hole, the balance mechanism presses the other side of the fixed plate 10, and the fixed plate 10 is prevented from overturning when the pressing mechanism 1043 works; the flow detection feedback mechanism is used for ventilating and detecting the flow of the loop in the installation process of the plug 15, and feeds back monitoring data to control the pressing-in depth of the plug 15. The pushing mechanism 1032 consists of two hollow cylinders which are vertically arranged and provided with holes and an air cylinder, the interiors of the two cylinders are communicated after the air cylinder acts, and the interiors of the two cylinders are not communicated after the air cylinder is reset; the pressing mechanism 1043 is composed of an electric cylinder and a pressing rod; the mode of temporarily storing the workpiece by the discharging nozzle 1042 is to suck air and vacuumize, and an electromagnet can be adopted to adsorb the workpiece; the constant pressure gas used in the detection protocol was nitrogen.

The tooling plate 31 moves up and down the fixed disc assembly to the plug loading station along with the wire body 30, and the jacking positioning device jacks in place; the fixed disk transferring mechanism 101 transfers the tool plate 31 to the off-line tool plate 1021, and the fixed disk off-line tool displacement mechanism 102 moves to the working position; the material pushing mechanism 1032 works to enable the plug 15 in the material box 1031 to enter the feeding mechanism 1041; the air cylinder pushes the plug 15 in the feeding mechanism 1041 to enter the discharging nozzle 1042, and the plug 15 cannot fall in the discharging nozzle 1042 due to bottom air pressure generated by air suction; the feeding mechanism 1041 is reset, the external air suction is stopped, and the plug 15 falls into the backpressure hole 1102 from the discharging nozzle 1042; the plug 15 is deeply pressed by the pressing mechanism 1043, the balance mechanism keeps the stability of the fixed disc 10, constant-pressure gas is introduced into the fixed disc 10 in the process, and the flow detection feedback mechanism detects and feeds back the flow of a loop and is used for controlling the pressing-in depth of the plug 15; the nitrogen introducing device resets, the pressing mechanism 1043 resets, and the balance mechanism resets; the fixed disc transferring mechanism 101 transfers the fixed disc 10 to the tooling plate 31 of the wire recovery body 30, the fixed disc transferring mechanism 101 resets, the jacking positioning device resets, the station stopper releases, and the workpiece automatically enters the next station.

And the automatic exhaust valve plate mounting device 110 is used for placing the exhaust valve plate 16 on a specific position of the fixed disc 10, placing the limiting plate 17 on the exhaust valve plate 16, and fixing the exhaust valve plate 16 and the limiting plate 17 on the fixed disc shell 11 through the screw 18. As shown in fig. 11, the automatic valve plate loading and unloading device 110 includes a storage device 111, a transfer mechanism 112, and a screw locking mechanism 113, wherein the storage device 111 is located at the lower left of the device, the transfer mechanism 112 is located at the upper left of the device, and the screw locking mechanism 113 is located at the right of the device. The material storage device 111 is used for storing an exhaust valve plate 16 and a limiting plate 17 to be assembled; the transfer mechanism 112 is used for transferring the exhaust valve sheet 16 and the limiting sheet 17 onto the fixed plate 10, and comprises a suction cup 1121, a suction cup lifting cylinder 1122, a servo mechanism 1123, a limiting plate cylinder 1124 and a limiting plate 1125, wherein the suction cup 1121 is used for sucking and grabbing the exhaust valve sheet 16 and the limiting sheet 17, the suction cup lifting cylinder 1122 is used for controlling the lifting of the suction cup 1121, the servo mechanism 1123 is used for controlling the position of the suction cup 1121 on the horizontal plane, the limiting plate cylinder 1124 controls the limiting plate 1125, and the limiting plate 1125 is used for guiding and positioning when the suction cup 1121 discharges materials; the screw locking mechanism 113 is used for locking the exhaust valve plate 16 and the limiting plate 17 on the fixed disc 10 through screws 18 and comprises a screw gun cylinder 1131 and a screw gun. The material storage device 111 stacks and stores materials by adopting a rod penetrating mode, the inner contour of the charging barrel is similar to the outer contour of the materials, the thin sheet materials are stacked, and the thin rod penetrates through holes for stacking the materials; a small air cylinder is arranged below the material storage device 111 and can push the materials in the material barrel to move upwards and keep the materials level to the top of the material barrel; the servo mechanism 1123 is an x/y moving platform consisting of two sets of servo motors and a ball screw module; the end of the retainer 1125 is a semi-enclosed structure with an inner contour substantially conforming to the outer contour of the material being dispensed.

The upper movable fixed disc assembly of the tooling plate 31 moves to a station for installing an exhaust valve plate along with the wire body 30, and the jacking positioning device jacks in place; the limit plate cylinder 1124 controls the limit plate 1125 to descend and press on the tooling plate 31; the transfer mechanism 112 sucks the exhaust valve plate 16 from the storage device 111 and transfers the exhaust valve plate 16 to the fixed disc 10 of the tooling plate 31, and the transfer mechanism 112 sucks the limiting plate 17 from the storage device 111 and transfers the limiting plate onto the exhaust valve plate 16 placed on the fixed disc 10; the screw locking mechanism 113 is moved above the fixed plate 10, the screw gun cylinder 1131 is extended, a screw is blown into the screw gun, and the screw is screwed in by the screw gun; the screw gun returns, the screw gun cylinder 1131 resets, the transfer mechanism 112 resets, the limiting plate 1125 resets, the jacking positioning device resets, the station stopper releases, and the workpiece automatically enters the next station.

And the automatic tightness testing device 120 is used for detecting the air tightness of the fixed plate exhaust cavity, displaying relevant testing parameters through a display screen, acquiring a detection result in an informationized manner and uploading data to an MES (manufacturing execution system). As shown in fig. 12, the automatic tightness testing device 120 includes a sealing mechanism 121, an inflating mechanism 122, and a detecting system, wherein the inflating mechanism 122 is installed at a lower portion of the rack, and the sealing mechanism 121 is installed above the table panel. The sealing mechanism 121 is used for sealing the fixed disc exhaust cavity and comprises a plug pressing cylinder 1211 and a sealing plug 1212, wherein the plug pressing cylinder 1211 is used for pressing the sealing plug 1212 to the end face of the fixed disc, and the sealing plug 1212 is used for sealing the fixed disc exhaust cavity; the inflation mechanism 122 is used for inflating gas with certain pressure into the sealed fixed disc exhaust cavity; the detection system is used for detecting the pressure drop in the exhaust cavity of the fixed plate for a period of time, and the detection result is collected in an informationized mode and uploaded to the MES. The sealing plug 1212 is made of polyurethane; the inflation pressure of the inflation mechanism 122 is 0.8-0.9 MPa; the detection parameters of the detection system comprise the air tightness test reduction rate, the initial pressure, the final pressure, the actual pressure difference and the like.

The upper movable fixed disc assembly of the tooling plate 31 flows to a tightness testing station along with the wire body 30, and the jacking positioning device jacks in place; the plug pressing cylinder 1211 extends out to push the sealing plug 1212 to plug the fixed disc exhaust cavity; the inflation mechanism 122 inflates gas with a certain pressure into the sealed exhaust cavity, and the detection system detects the pressure drop in the exhaust cavity for a period of time; the inflation mechanism 122 stops inflating, and the choke plug cylinder 1211 resets; and if the tightness detection does not meet the requirement, the light alarm is given, if the tightness detection meets the requirement, the jacking positioning device is reset, the station stopper is released, and the workpiece automatically enters the next station.

The anti-rotation ring device 130 is automatically installed to place the anti-rotation ring 22 into the fixing hole 2102 of the movable disk. As shown in fig. 13, the automatic rotation-preventing device 130 includes a movable plate positioning mechanism 131, a rotation-preventing ring mounting mechanism 132, and a visual inspection mechanism 133, wherein the movable plate positioning mechanism 131 is located at the right portion of the device, the rotation-preventing ring mounting mechanism 132 is located at the lower left portion of the device deck, and the visual inspection mechanism 133 is mounted directly above the device deck. The movable disc positioning mechanism 131 is used for positioning the movable disc fixing hole 2102 and pressing the movable disc 20 and comprises a positioning air cylinder 1311, a positioning guide post 1312, a pressing air cylinder 1313 and a pressing head 1314, wherein the positioning air cylinder 1311 is used for pushing the positioning guide post 1312 to be inserted into the movable disc fixing hole 2102 to position the movable disc 20, and the pressing air cylinder 1313 pushes the pressing head 1314 to be pressed on the movable disc bearing seat 2101 to keep the movable disc not to be displaced; the anti-rotation ring mounting mechanism 132 is used for sequentially placing the anti-rotation rings 22 into the movable disc fixing hole 2102 and comprises an anti-rotation ring material box 1321, anti-rotation ring clamping jaws 1322, an anti-rotation ring clamping jaw lifting cylinder 1323 and a servo positioning mechanism 1324, wherein the anti-rotation ring material box 1321 is used for storing and supplying materials for the anti-rotation rings 22, the anti-rotation ring clamping jaws 1322 are used for grabbing and placing the anti-rotation rings 22, the anti-rotation ring clamping jaw lifting cylinder 1323 is used for controlling the lifting of the anti-rotation ring clamping jaws 1322, and the servo positioning mechanism 1324 is used for displacing the anti-rotation ring clamping jaws 1322 on a plane; the visual inspection mechanism 133 is used to detect whether the anti-rotation ring 22 is installed perfectly, and includes a camera 1331 and a light source 1332. The movable plate positioning mechanism 131 has 2 positioning guide posts 1312 inserted into two circumferentially opposite movable plate fixing holes 2102, respectively; the anti-rotation ring material box 1321 adopts a vibration material tray feeding mode; the anti-rotation ring clamping jaws 1322 adopt a three-jaw structure, and the three jaws are supported from the inner side of the anti-rotation ring 22 so as to realize the grabbing of the anti-rotation ring 22; the servo positioning mechanism 1324 adopts two sets of servo motors and ball screw modules which are vertically arranged on a horizontal plane; the visual inspection mechanism 133 is also mounted on the servo positioner 1324, the horizontal position of which is also controlled by the servo positioner 1324.

The upper movable fixed disc assembly of the tooling plate 31 moves to an anti-rotation ring mounting station along with the wire body 30, and the jacking positioning device jacks in place; the positioning cylinder 1311 pushes the positioning guide post 1312 to be inserted into the movable disc fixing hole 2102, the pressing cylinder 1313 pushes the pressing head 1314 to be pressed on the movable disc bearing seat 2101, and the positioning cylinder 1311 is reset; the anti-rotation ring clamping jaws 1322 grab the anti-rotation ring 22 and reach above the movable disc fixing hole 2102 under the control of the servo positioning mechanism 1324; the anti-spin ring gripper lifting cylinder 1323 descends, the anti-spin ring gripper 1322 is loosened, and the first anti-spin ring 22 is placed into the first cam plate fixing hole 2102; taking the materials again by the anti-rotation ring clamping jaws 1322, placing the anti-rotation ring 22 in the next movable disc fixing hole 2102 under the control of the servo positioning mechanism 1324, and repeating the operation until the anti-rotation rings 22 are placed in all the movable disc fixing holes 2102; the anti-rotation ring clamping jaws 1322 are reset, the visual detection mechanism 133 reaches the upper part of each movable disc fixing hole 2102 to take a picture under the control of the servo positioning mechanism 1324, and the installation of the anti-rotation ring 22 is ensured to be omitted; after the detection is finished, the visual detection mechanism 133 is reset, the jacking positioning device is reset, the station stopper is released, and the workpiece automatically enters the next station.

The movable fixed disc assembly on the tooling plate 31 flows to the automatic feeding and discharging station of the movable fixed disc along with the line body 30, the feeding and discharging robot grabs the assembled movable fixed disc assembly and places the assembled movable fixed disc assembly and the assembled movable fixed disc assembly on a discharging belt line with a partition plate, and the discharging belt line can convey the movable fixed disc assembly to a compressor assembling area according to actual field conditions. The tooling plate then proceeds to the next cycle.

Claims

1. The utility model provides a mobile fixed disk automatic assembly production line of vehicle air conditioner compressor for installation vehicle air conditioner compressor fixed disk (10) and vehicle air conditioner compressor driving disk (20), its characterized in that: the automatic loading and unloading device comprises a wire body (30), and a movable and fixed disc automatic loading and unloading device (40), a movable and fixed disc automatic measuring device (50), a movable and fixed disc automatic selecting and matching device (60), an automatic pressing and positioning pin device (70), a movable and fixed disc automatic overturning device (80), an automatic steel ball spring loading device (90), an automatic plug loading device (100), an automatic exhaust valve plate loading device (110), an automatic tightness testing device (120) and an automatic anti-rotation ring loading device (130) which are sequentially arranged along the transmission direction of the wire body (30); the line body (30) is provided with a plurality of tooling plates (31) arranged along the transmission direction, and sequentially forms a movable and fixed disc feeding station, a movable and fixed disc measuring station, a movable and fixed disc assembling station, a pressing and positioning pin A station, a movable and fixed disc overturning station, a pressing and positioning pin B station, a steel ball spring loading station, a plug loading station, an exhaust valve block loading station, a tightness testing station, an anti-rotation ring loading station and a movable and fixed disc discharging station; the tooling plate (31) comprises a tooling plate bottom plate (311), and a fixed disc forward-placing tooling (312), a fixed disc backward-placing tooling (313), a movable disc forward-placing tooling (314), a movable disc backward-placing tooling (315), a detection block (316), a chip support (317), a buffer block (318) and a jacking positioning hole (319) which are arranged on the tooling plate bottom plate (311), wherein the tooling plate bottom plate (311) is provided with a plurality of threaded holes and unthreaded holes for installing and positioning a movable disc tooling position and an auxiliary element; the movable and fixed disc automatic loading and unloading device (40) is used for respectively transferring the movable disc (20) and the fixed disc (10) in the material box to the corresponding tooling of the line body tooling plate (31) through the loading and unloading robot; the automatic movable-fixed disc measuring device (50) comprises a lifting device (51), a movable disc measuring mechanism (52) and a fixed disc measuring mechanism (53), wherein the lifting device (51) is positioned at the uppermost part of the equipment, and the movable disc measuring mechanism (52) and the fixed disc measuring mechanism (53) are connected below the lifting device in parallel; the lifting device (51) is used for driving the measuring mechanism to lift and comprises a measuring head lifting cylinder (511), a support frame (512), a buffering limit bolt (513) and a measuring head mounting plate (514); the measuring head lifting cylinder (511) is an execution element and drives the measuring head mounting plate (514) to move up and down; the buffer limiting bolt (513) is arranged on the support frame (512) and used for limiting the movement stroke of the measuring head lifting cylinder (511) and playing a role in buffering; the measuring head mounting plate (514) is used for mounting a measuring mechanism; the movable disc measuring mechanism (52) is used for measuring the heights of two planes of the movable disc to determine the model number of the movable disc and comprises a measuring head positioning disc (521), a connecting column (522) and a height sensor (523); the measuring head positioning disc (521) is used for positioning the height sensor (523) on a horizontal plane; the connecting column (522) is connected with the measuring head mounting plate (514) and the measuring head positioning disc (521); the height sensor (523) measures and feeds back the height information of the measured plane; the fixed disc measuring mechanism (53) comprises a measuring head positioning disc (531), a connecting column (532) and a height sensor (533), and the function of the fixed disc measuring mechanism is the same as that of the components in the movable disc measuring mechanism (52); the automatic matching device (60) for the movable and fixed disks comprises a three-dimensional storage warehouse (61), a transfer robot (62), a storage warehouse movable disk clamping jaw (63), a fixed code sweeping gun (64) and a movable disk waste box (65), wherein the transfer robot (62) is installed on one side of a line body (30), the three-dimensional storage warehouse (61) is placed on the same side with the transfer robot (62) but far away from the same side, the fixed code sweeping gun (64) and the movable disk waste box (65) are installed on the side wall of one side, close to the transfer robot (62), of the line body (30) in parallel, and the movable disk storage warehouse clamping jaw (63) is installed at the tail end of a mechanical arm of the transfer robot (62; the three-dimensional storage warehouse (61) is used for storing various types of movable discs (20) to be taken; the transfer robot (62) is used for taking out the movable disc (20) with the size matched with that of the fixed disc (10) from the three-dimensional storage warehouse (61) to replace the unmatched movable disc (20); the storage movable disc clamping jaw (63) is used for clamping the movable disc (20); the fixed code scanning gun (64) is used for scanning the two-dimensional code on the shell of the taken-out disc (20) and confirming the model of the two-dimensional code; if the automatically-grabbed movable disc (20) is not matched with the information obtained by scanning the two-dimensional code, the automatically-grabbed movable disc is placed into a movable disc waste bin (65).

2. The automatic assembly line of the automobile air conditioner compressor fixed plate according to claim 1, characterized in that: the automatic pressing positioning pin device (70) comprises a positioning plate transferring mechanism (71), a positioning plate line outer tool (72), a positioning pin feeding mechanism (73), a positioning pin placing mechanism (74) and a positioning pin pressing mechanism (75), wherein the positioning pin pressing mechanism (75) is positioned at the upper part of the center of the device, the positioning pin feeding mechanism (73) is arranged at the left side of the positioning pin pressing mechanism, the positioning plate transferring mechanism (71) is arranged at the right side of the positioning pin pressing mechanism, and the positioning pin placing mechanism (74) and the positioning plate line outer tool (72) are sequentially arranged right below the positioning pin transferring mechanism; the fixed disc transferring mechanism (71) is used for transferring a fixed disc (10) on the tooling plate (31) to a fixed disc line outer tooling (72), and comprises a fixed disc transferring cylinder (711), a fixed disc claw lifting cylinder (712) and a fixed disc claw (713), wherein the fixed disc transferring cylinder (711) is used for transversely translating the fixed disc claw (713), the fixed disc claw lifting cylinder (712) is used for controlling the fixed disc claw (713) to lift, and the fixed disc claw (713) is used for grabbing the fixed disc (10); the fixed disc off-line tool (72) is used for installing a fixed disc (10) and transferring the fixed disc to the position under the positioning pin pressing mechanism (75), and comprises an off-line fixed disc seat (721) and a fixed disc seat translation cylinder (722), wherein the off-line fixed disc seat (721) is used for installing the fixed disc (10), and the fixed disc seat translation cylinder (722) is used for moving the off-line fixed disc seat (721) so that the fixed disc (10) to be assembled is positioned under the positioning pin pressing mechanism (75); the positioning pin feeding mechanism (73) is used for conveying the positioning pin (12) to the positioning pin placing mechanism (74) and comprises a vibration material tray (731) and a guide pipe (732), wherein the vibration material tray (731) is used for conveying the positioning pin (12) into the positioning pin placing mechanism (74) through the guide pipe (732); the positioning pin placing mechanism (74) is used for placing the positioning pin (12) into a pin hole (1101) of the fixed plate (10) and comprises a discharging nozzle lifting cylinder (741), a discharging nozzle translation cylinder (742), a discharging nozzle (743) and a discharging cylinder (744), wherein the discharging nozzle lifting cylinder (741) and the discharging nozzle translation cylinder (742) respectively control the height and the horizontal position of the discharging nozzle (743), and the discharging cylinder (744) controls whether the feeding positioning pin (12) is placed down; the positioning pin pressing mechanism (75) is used for pressing a positioning pin (12) placed in the fixed plate (10) and comprises a pin pressing cylinder (751), a pressing head (752) and a sensor (753), wherein the pin pressing cylinder (751) is used for pushing the pressing head (752) to press the positioning pin (12), and the sensor (753) is used for monitoring feedback data.

3. The automatic assembly line of the automobile air conditioner compressor fixed plate according to claim 1, characterized in that: the automatic turning device (80) for the movable fixed disc comprises a movable disc turning clamping jaw (81), a fixed disc turning clamping jaw (82), a servo lifting mechanism (83), a claw hand lifting cylinder (84) and a turning mechanism (85), wherein the servo lifting mechanism (83) is positioned right above the device, the lower part of the servo lifting mechanism is connected with the claw hand lifting cylinder (84), the turning mechanism (85) is arranged below the claw hand lifting cylinder (84), and the movable disc turning clamping jaw (81) and the fixed disc turning clamping jaw (82) are horizontally arranged on the turning mechanism (85); the movable disc overturning clamping jaw (81) is used for grabbing the movable disc (20); the fixed plate overturning clamping jaw (82) is used for grabbing the fixed plate (10); the servo lifting mechanism (83) is used for adjusting the reference position of the claw lifting cylinder (84) according to the model of the movable fixed plate and comprises a servo motor, a ball screw module (841) and a lifting cylinder mounting plate (842); the claw hand lifting cylinder (84) is arranged on the lifting cylinder mounting plate (842) and is used for lifting or lowering the movable disc overturning clamping jaw (81) and the fixed disc overturning clamping jaw (82); the turnover mechanism (85) is used for turning over the movable disc (20) and the fixed disc (10) and comprises a swing cylinder (851) and a clamping jaw mounting plate (852); the movable fixed disc assembly on the tooling plate (31) is transferred to a movable fixed disc overturning station along with the line body (30); according to the model size of the movable and fixed disks, the servo lifting mechanism (83) adjusts the height of the lifting cylinder mounting plate (842); claw hand lifting cylinders (84) above the movable and fixed disc tooling extend out respectively, the movable disc overturning clamping jaws (81) and the fixed disc overturning clamping jaws (82) clamp and grab the movable and fixed discs respectively, and the claw hand lifting cylinders (84) reset; swing cylinders (851) corresponding to the movable and fixed disks respectively rotate 180 degrees, so that the movable and fixed disks just reach the upper parts of the corresponding reverse-placing tools when being overturned; the claw hand lifting cylinder (84) extends out, the movable disc overturning clamping jaw (81) and the fixed disc overturning clamping jaw (82) are loosened, and the movable fixed disc is placed on respective reverse tools; the claw lifting cylinder (84) resets, the station stopper is released, and the workpiece automatically enters the next station.

4. The automatic assembly line of the automobile air conditioner compressor fixed plate according to claim 1, characterized in that: the automatic steel ball spring loading device (90) comprises a fixed disc transferring mechanism (91), a fixed disc line outer tool translation mechanism (92), a steel ball mounting mechanism (93) and a spring mounting mechanism (94), the device is arranged in an upper layer and a lower layer, the fixed disc transferring mechanism (91) is arranged on the right side of the upper layer, the steel ball mounting mechanism (93) is arranged on the left side of the upper layer, the fixed disc line outer tool translation mechanism (92) is arranged in the center of the lower layer, and the spring mounting mechanism (94) is arranged on the left side of the lower layer; the fixed disc transferring mechanism (91) is used for transferring the line body tooling plate (31) to a fixed disc line outer tooling (921), and comprises a fixed disc transferring clamping jaw (911), a fixed disc clamping jaw lifting cylinder (912) and a fixed disc translation cylinder (913); the fixed disc line external tooling translation mechanism (92) is used for reversely mounting a fixed disc (10) and providing movement in two directions parallel and perpendicular to the line body (30), and comprises a fixed disc line external tooling (921), a fixed disc left-right translation mechanism (922) and a fixed disc front-back translation mechanism (923), wherein the fixed disc line external tooling (921) is used for reversely mounting the fixed disc (10), the fixed disc left-right translation mechanism (922) is used for moving the fixed disc line external tooling (921) and the fixed disc (10) on the fixed disc line external tooling to an assembly operation position, and the fixed disc front-back translation mechanism (923) is used for adjusting the front-back position of the fixed disc line external tooling (921) so that the fixed disc line external tooling (921) can be compatible with different assembly positions of the steel ball (13) and the spring; the steel ball mounting mechanism (93) comprises a steel ball tray (931), a fixed tray pressing plate (932), a pressing plate lifting cylinder (933), a point punch rod (934), a pressing rod cylinder (935), a steel ball discharging chuck (936) and a vent hole, wherein the steel ball tray (931) stores steel balls (13) and sends the steel balls into the steel ball discharging chuck (936), the pressing plate lifting cylinder (933) is used for driving the fixed tray pressing plate (932) to press the upper end surface of the fixed tray (10), the pressing rod cylinder (935) is used for driving the point punch rod (934) to extend into the back pressure hole (1102), the point punch rod (934) is used for removing burrs existing in the back pressure hole (1102) and also used for detecting the height of the steel balls (13) placed into the back hole, and the vent hole is internally vented to prevent the steel balls (13) from smoothly sliding into the back pressure hole; spring installation mechanism (94) includes spring material pole (941), spring clamping jaw (942), spring clamping jaw translation mechanism, spring locating lever, spring push rod, wherein spring clamping jaw (942) are used for taking spring (14) and move the year to spring locating lever directly under through spring clamping jaw translation mechanism from spring material pole (941) and, and spring locating lever passes spring (14) and inserts in backpressure hole (1102), plays the location guide effect, and spring push rod presses spring (14) that have led and gets into in backpressure hole (1102).

5. The automatic assembly line of the automobile air conditioner compressor fixed plate according to claim 1, characterized in that: the automatic plug installing device (100) comprises a fixed disc transferring mechanism (101), a fixed disc line outer tool displacement mechanism (102), a plug feeding mechanism (103), a plug press-mounting mechanism (104) and a flow detection feedback mechanism, the device is divided into an upper layer, a middle layer and a lower layer, the fixed disc transferring mechanism (101) is arranged on the left side of the upper layer, the plug feeding mechanism (103) is arranged on the right side of the upper layer, the plug press-mounting mechanism (104) is arranged on the middle layer, and the fixed disc line outer tool displacement mechanism (102) is arranged on the lower layer; the fixed disc transferring mechanism (101) is used for transferring the line body tooling plate (31) to an off-line tooling plate and comprises a fixed disc transferring air claw (1011) and a transferring air cylinder (1012); the fixed disc off-line tooling displacement mechanism (102) is used for installing the fixed disc (10) and controlling the fixed disc to move along the direction parallel to or vertical to the line body, and comprises an off-line tooling plate (1021), a fixed disc left-right translation mechanism (1022) and a fixed disc front-back translation mechanism (1023); the plug feeding mechanism (103) is used for placing plugs (15) into the backpressure hole (1102) from the material box (1031), and comprises the material box (1031) and a material pushing mechanism (1032), wherein the material box (1031) is used for storing work pieces of the plugs (15), and the material pushing mechanism (1032) is used for conducting the material box (1031) and the feeding mechanism (1041) so that the plugs (15) can enter the feeding mechanism (1041); the plug press-mounting mechanism (104) is used for placing a plug (15) into a back pressure hole (1102) and comprises a feeding mechanism (1041), a discharging nozzle (1042), a pressing mechanism (1043) and a balance mechanism, wherein the feeding mechanism (1041) is used for pressing the plug (15) into the discharging nozzle (1042), the discharging nozzle (1042) is positioned above the feeding mechanism (1041), a loaded workpiece does not fall off through air suction, after the feeding mechanism (1041) is moved away, air suction in the discharging nozzle (1042) is stopped, the plug (15) falls into the back pressure hole (1102), the pressing mechanism (1043) is used for pressing the plug (15) falling into the hole, the balance mechanism presses the other side of the fixed plate (10), and the fixed plate (10) is prevented from overturning when the pressing mechanism (1043) works; the flow detection feedback mechanism is used for ventilating in the installation process of the plug (15), detecting the flow of the loop and feeding back monitoring data to control the pressing-in depth of the plug (15).

6. The automatic assembly line of the automobile air conditioner compressor fixed plate according to claim 1, characterized in that: the device (110) for automatically installing and exhausting valve plates comprises a material storage device (111), a transfer mechanism (112) and a screw locking mechanism (113), wherein the material storage device (111) is positioned at the lower left of the device, the transfer mechanism (112) is positioned at the upper left of the device, and the screw locking mechanism (113) is positioned at the right of the device; the storage device (111) is used for storing an exhaust valve plate (16) to be assembled and a limiting plate (17); the transfer mechanism (112) is used for transferring the exhaust valve plate (16) and the limiting piece (17) to the fixed plate (10) respectively, and comprises a sucking disc (1121), a sucking disc lifting cylinder (1122), a servo mechanism (1123), a limiting plate cylinder (1124) and a limiting plate (1125), wherein the sucking disc (1121) is used for sucking and grabbing the exhaust valve plate (16) and the limiting piece (17), the sucking disc lifting cylinder (1122) is used for controlling the lifting of the sucking disc (1121), the servo mechanism (1123) is used for controlling the position of the sucking disc (1121) on the horizontal plane, the limiting plate cylinder (1124) is used for controlling the limiting plate (1125), and the limiting plate (1125) is used for guiding and positioning when the sucking disc (1121) discharges materials; the screw locking mechanism (113) is used for locking the exhaust valve plate (16) and the limiting plate (17) on the fixed disc (10) through screws (18) and comprises a screw gun cylinder (1131) and a screw gun.

7. The automatic assembly line of the automobile air conditioner compressor fixed plate according to claim 1, characterized in that: the automatic tightness testing device (120) comprises a sealing mechanism (121), an inflating mechanism (122) and a detecting system, wherein the inflating mechanism (122) is installed at the lower part of the rack, and the sealing mechanism (121) is installed above the table panel; the sealing mechanism (121) is used for sealing the fixed disc exhaust cavity and comprises a plug pressing cylinder (1211) and a sealing plug (1212), wherein the plug pressing cylinder (1211) is used for pressing the sealing plug (1212) to the end face of the fixed disc, and the sealing plug (1212) is used for sealing the fixed disc exhaust cavity; the inflation mechanism (122) is used for inflating gas with certain pressure into the sealed fixed disc exhaust cavity; the detection system is used for detecting the pressure drop in the exhaust cavity of the fixed plate for a period of time, and the detection result is collected in an informationized mode and uploaded to the MES.

8. The automatic assembly line of the automobile air conditioner compressor fixed plate according to claim 1, characterized in that: the automatic anti-rotation ring mounting device (130) comprises a movable disc positioning mechanism (131), an anti-rotation ring mounting mechanism (132) and a visual detection mechanism (133), wherein the movable disc positioning mechanism (131) is positioned at the right part of the device, the anti-rotation ring mounting mechanism (132) is positioned at the left lower part of a platform panel of the device, and the visual detection mechanism (133) is arranged right above the anti-rotation ring mounting mechanism (132); the movable disc positioning mechanism (131) is used for positioning a fixed hole (2102) of the movable disc and pressing the movable disc (20), and comprises a positioning cylinder (1311), a positioning guide post (1312), a pressing cylinder (1313) and a pressing head (1314), wherein the positioning cylinder (1311) is used for pushing the positioning guide post (1312) to be inserted into the movable disc fixed hole (2102) to realize the positioning of the movable disc (20), and the pressing cylinder (1313) pushes the pressing head (1314) to be pressed on the movable disc bearing seat (2101) to keep the movable disc not to move; the anti-rotation ring mounting mechanism (132) is used for sequentially placing the anti-rotation ring (22) into the movable disc fixing hole (2102) and comprises an anti-rotation ring material box (1321), anti-rotation ring clamping jaws (1322), an anti-rotation ring clamping jaw lifting cylinder (1323) and a servo positioning mechanism (1324), wherein the anti-rotation ring material box (1321) is used for storing and supplying the anti-rotation ring (22), the anti-rotation ring clamping jaws (1322) are used for grabbing and placing the anti-rotation ring (22), the anti-rotation ring clamping jaw lifting cylinder (1323) is used for controlling the lifting of the anti-rotation ring clamping jaws (1322), and the servo positioning mechanism (1324) is used for displacing the anti-rotation ring clamping jaws (1322) on a plane; the visual detection mechanism (133) is used for detecting whether the anti-rotation ring (22) is installed well or not, and comprises a camera (1331) and a light source (1332).