An automated production line for automotive vacuum pumps

Abstract

The invention discloses an automobile vacuum pump automated production line, comprising a tooling plate, a transmission unit, a motor detection unit, a rotor-stator installation unit, a stator cover installation unit, a stator gap adjustment unit, a gland locking unit and a PLC controller, wherein the tooling plate is placed on the transmission unit, and the transmission unit transmits the tooling plate to the motor detection unit, the rotor-stator installation unit, the stator cover installation unit, the stator gap adjustment unit and the gland locking unit, wherein the motor detection unit is provided with an image detection and recognition device, wherein the rotor-stator installation unit is provided with a rotor feeding mechanism, a stator feeding mechanism and a manipulator, wherein the stator cover installation unit is provided with a stator cover placing device and an automatic cover-loading device, wherein the stator gap adjustment unit comprises a screw tightening mechanism and a working plate, and each unit is connected to the PLC controller. The invention has the advantages of realizing automated continuous production, improving production efficiency, high assembly precision, uniform product assembly quality, and convenient operation and control.

Description

[Technical field]

[0001] The invention belongs to the technical field of automobile vacuum pump production equipment, and in particular relates to an automobile vacuum pump automatic production line. [Background technology]

[0002] The automobile vacuum pump is a power assist device for the automobile brake control system and steering system. Its function is to generate negative pressure to provide vacuum assistance to the automobile brake master cylinder and thus increase the braking force. The vehicle power supply is used as the power source. The automobile vacuum pump mainly includes the vacuum pump motor, shock absorber pad, connector wire, end cover, sealing gasket and other parts. The vacuum pump motor includes the motor housing, stator assembly, rotor assembly and other parts. The stator assembly includes the stator seat, stator and stator cover, and the rotor assembly includes the rotor body and rotor blades.

[0003] The automotive vacuum pump production line contains multiple processes, including the installation of sealing ring couplings, stator assembly installation, rotor assembly installation, gland tightening, and shock-absorbing pad locating pin installation. Traditional vacuum pump production and assembly generally adopts manual or semi-automatic assembly methods, which have problems such as low production efficiency, time-consuming and labor-intensive, low assembly precision resulting in certain differences in product assembly, and inconvenient operation and control. [Summary of the invention]

[0004] The purpose of the present invention is to solve the problems in the prior art and to propose an automated production line for automobile vacuum pumps, which can realize automated continuous production to improve production efficiency, has high assembly precision, maintains uniform product assembly quality, and is easy to operate and control.

[0005] To achieve the above-mentioned object, the present invention proposes an automotive vacuum pump automated production line, comprising a tooling plate, a transmission unit, a motor detection unit, a rotor stator installation unit, a stator cover installation unit, a stator gap adjustment unit, a gland locking unit and a PLC controller;

[0006] The tooling board is provided with a wiring seat, a power seat and a base for placing a vacuum pump motor, the power seat and the wiring seat are electrically connected, and the tooling board is placed on the transmission unit;

[0007] The transmission unit transmits the tooling plate to the motor detection unit, the rotor stator installation unit, the stator cover installation unit, the stator gap adjustment unit, and the gland locking unit;

[0008] The motor detection unit is provided with an image detection and recognition device, which detects and recognizes the placement positions of parts on the vacuum pump motor;

[0009] The rotor-stator installation unit is provided with a rotor feeding mechanism, a stator feeding mechanism and a manipulator, and a stator-rotor picking and placing mechanism is installed at the end of the manipulator, and the stator-rotor picking and placing mechanism can take the rotor and the stator from the rotor feeding mechanism and the stator feeding mechanism and place the rotor and the stator on the vacuum pump;

[0010] The stator cover installation unit is provided with a stator cover placement device and an automatic cover placement device, the automatic cover placement device includes a stator cover taking mechanism and a screw pre-tightening mechanism, and the stator cover taking mechanism is installed on one side of the stator cover placement device;

[0011] The stator gap adjustment unit includes a screw tightening mechanism and a working plate, on which a left pusher, a right pusher, a displacement sensor, a first vacuum pump clamping unit with a through hole and a second vacuum pump clamping unit are provided, wherein the first vacuum pump clamping unit is located between the left pusher and the right pusher, the displacement sensor is installed on the right side of the right pusher, and the screw tightening mechanism is located above the working plate;

[0012] The stator cover placement device and the stator feeding mechanism both include a cam divider, a material tray, and a photoelectric sensor, and a plurality of photosensitive blocks are provided on the outer edge of the material tray;

[0013] The motor detection unit, the rotor stator installation unit, the stator cover installation unit, the stator gap adjustment unit and the gland locking unit are all provided with a tooling plate lifting mechanism, and are all connected to the PLC controller.

[0014] Preferably, the automobile vacuum pump automated production line further comprises a shock-absorbing pad locating pin automatic installation unit, which is located on the right side of the gland locking unit, and the shock-absorbing pad locating pin automatic installation unit comprises a main bracket, a shock-absorbing pad rubber seat feeding device, a locating pin feeding device, a material receiving device, a shock-absorbing pad rubber seat clamping device, a locating pin clamping and pressing device, the material receiving device corresponds to the discharge end of the shock-absorbing pad rubber seat feeding device, and the locating pin clamping and pressing device and the shock-absorbing pad rubber seat clamping device are Slidingly installed on the main bracket, the shock-absorbing pad rubber seat clamping device includes a clamping claw cylinder, a clamping claw pin, a supporting seat, a rubber seat pushing cylinder and a rubber seat conveying cylinder. The locating pin clamping and pressing device includes a slide plate, a pressing plate, a pressing needle, a downward pressing cylinder connected to the slide plate, a left and right adjusting cylinder and a forward pushing cylinder. The pressing needle is installed at the bottom of the pressing plate. The downward pressing cylinder is connected to the pressing plate and drives the pressing plate and the pressing needle to rise and fall synchronously to realize the taking and placing of the locating pins on the locating pin feeding device, thereby realizing the automated and precise installation of the shock-absorbing pad and the locating pins.

[0015] Preferably, the automobile vacuum pump automated production line also includes a comprehensive performance detection unit and a coding unit, which are located on the right side of the shock-absorbing pad locating pin automatic installation unit respectively. The automobile electric vacuum pump comprehensive performance detection unit is provided with a silent box and a lifting mechanism, and the silent box is equipped with an automobile electric vacuum pump comprehensive performance device and a power guide column, and a clamp is installed on one side of the silent box. The coding unit is a laser coding machine, which can effectively detect the performance of the entire automobile vacuum pump to ensure the factory quality, and the laser coding machine can print one code for one pump.

[0016] Preferably, the rotor feeding mechanism includes a frame and a pallet, and the frame is equipped with a pallet lateral pushing mechanism, a first linear lifting mechanism, a second linear lifting mechanism, a first sensor and a second sensor for detecting whether the pallet has reached a specified position, the first sensor and the second sensor are respectively connected to the first linear lifting mechanism and the second linear lifting mechanism, the first linear lifting mechanism and the second linear lifting mechanism support the pallet and control the lifting and lowering of the pallet, and a plurality of positioning holes are provided on the pallet, and the lateral pushing mechanism can push the pallet to slide laterally to above the first linear lifting mechanism, so as to realize effective and smooth rotor loading, facilitate the fixed-point suction of the rotor suction mechanism in the later stage, and the pallet fully loaded with rotors can be replaced after the rotors are taken out, so as to realize continuous loading.

[0017] Preferably, the stator and rotor picking and placing mechanism includes a base, an industrial camera installed on the base, a light source, a rotor suction mechanism, a rotor retracting mechanism and a stator picking and placing mechanism. The base is rotatably connected to the manipulator. The rotor suction mechanism includes a rotor suction cup. The rotor suction mechanism, the rotor retracting mechanism and the stator picking and placing mechanism are all connected to an air pump. The rotor suction and placement is stably achieved through the suction cup. The industrial camera can effectively detect whether the stator and rotor picking and placing is achieved by taking pictures. The manipulator rotates to control the picking and placing conversion of the stator and rotor.

[0018] Preferably, the rotor retracting mechanism comprises a shell, an air path connector installed on the shell, an air path is provided inside the shell, a rotor retracting chamber and a plurality of reversing air blowing channels which are connected to the rotor retracting chamber and the air path and can blow air inward are provided inside the bottom end of the shell, and a plug is installed at one end of the reversing air blowing channel away from the rotor retracting chamber. The plug can ensure that the airflow blows inside, so that the rotor blades are retracted into the slots on the rotor body.

[0019] Preferably, the stator picking and placing mechanism includes a double-acting telescopic cylinder, a stator clamp and a magnetic switch installed on the telescopic cylinder. The double-acting telescopic cylinder is connected to the stator clamp and controls the stator clamp to open or close. The double-acting telescopic cylinder is connected to the cylinder control device. The industrial camera, cylinder control device and magnetic switch are respectively connected to the PLC controller, which can realize accurate and smooth picking and placing of the stator and facilitate control.

[0020] Preferably, the transmission unit includes a driving device and a transmission belt. The driving device is connected to the transmission belt and drives the transmission belt to rotate. The tooling plate is placed on the upper surface of the conveyor belt. The transmission belt passes through the motor detection unit, the rotor stator installation unit, the stator gap adjustment unit, the pressure cover locking unit and the performance detection unit in sequence, so that the tooling plate can be stably transmitted to each unit.

[0021] Preferably, a readable chip is installed on the tooling board, and the readable chip is used to store the production information of the automobile vacuum pump, so as to facilitate the later tracing of the production information of the product.

[0022] Preferably, the motor detection unit, rotor stator installation unit, stator cover installation unit, stator gap adjustment unit and gland locking unit are all provided with lifting blocks, which can block the tooling plate so that the tooling plate stays at each unit to ensure the completion of the work of each unit.

[0023] The beneficial effects of the present invention are as follows: the present invention realizes automated continuous production to improve production efficiency, has high assembly precision, maintains uniform product assembly quality, and is convenient for operation and control.

[0024] The features and advantages of the present invention will be described in detail through embodiments in conjunction with the accompanying drawings.

Brief Description of the Drawings

[0025] Figure 1 It is a structural schematic diagram of an automatic production line for automobile vacuum pumps of the present invention;

[0026] Figure 2 It is a top view of an automatic production line of automobile vacuum pumps of the present invention;

[0027] Figure 3 It is a schematic diagram of a tooling board of an automated production line for automobile vacuum pumps of the present invention;

[0028] Figure 4 It is a top view of a tooling plate of an automated production line for automobile vacuum pumps of the present invention;

[0029] Figure 5 It is a schematic diagram of a rotor feeding mechanism of an automated production line for automobile vacuum pumps of the present invention;

[0030] Figure 6 It is a schematic diagram of a stator cover placing device of an automobile vacuum pump automatic production line of the present invention;

[0031] Figure 7 It is a main schematic diagram of a stator and rotor pick-up and placement mechanism of an automotive vacuum pump automated production line of the present invention;

[0032] Figure 8 It is a schematic diagram of a stator and rotor pick-up and placement mechanism for an automated production line of an automobile vacuum pump according to the present invention;

[0033] Fig. 9 It is a bottom view of a stator and rotor pick-up and placement mechanism of an automobile vacuum pump automated production line of the present invention;

[0034] Fig.10 It is a longitudinal sectional view of a rotor retracting mechanism of an automated production line for automobile vacuum pumps of the present invention;

[0035] Fig.11 It is a transverse cross-sectional view of a rotor retracting mechanism of an automated production line for automobile vacuum pumps of the present invention;

[0036] Fig.12 It is a schematic diagram of a stator pick-up and place mechanism of an automotive vacuum pump automated production line of the present invention;

[0037] Fig.13 It is a partial schematic diagram of a stator gap adjustment unit of an automated production line for automobile vacuum pumps of the present invention;

[0038] Fig.14 It is a partial front view of a stator gap adjustment unit of an automobile vacuum pump automated production line of the present invention;

[0039] Fig.15 The invention is a kind of automobile vacuum pump automatic production line Fig.14 Middle CC section view;

[0040] Fig.16 It is a schematic diagram of an automatic installation unit for the positioning pins of a shock-absorbing pad of an automated production line for an automobile vacuum pump of the present invention;

[0041] Fig.17 It is a schematic diagram of a positioning pin clamping and pressing device for an automated production line of an automobile vacuum pump of the present invention;

[0042] Fig.18 The present invention is a schematic diagram of a shock-absorbing pad rubber seat clamping device for an automobile vacuum pump automatic production line.

[0043] In the figure: 1-motor detection unit, 2-tooling plate, 3-rotor stator installation unit, 4-stator cover installation unit, 5-stator gap adjustment unit, 6-pressure cover locking unit, 7-shock pad positioning pin automatic installation unit, 8-comprehensive performance detection unit, 9-coding unit, 10-transmission unit, 20-readable chip, 21-base, 22-connection socket, 23-power socket, 24-end cover positioning seat, 25-positioning block, 26-secondary positioning tool installation seat, 27-coupling, 28-plug socket, 29-guide table, 31-rotor feeding mechanism, 32-rotor and stator pick-up and place mechanism, 33-manipulator, 40-automatic cover device, 41-material tray, 42-cam divider, 43-top material mechanism, 44- Photoelectric sensor, 45-photosensitive block, 50-screw tightening mechanism, 51-working plate, 52-second vacuum pump clamping unit, 53-moving plate, 54-first vacuum pump clamping unit, 55-right push device, 56-slide cylinder, 310-frame, 311-second linear lifting mechanism, 312-first sensor, 313-first linear lifting mechanism, 314-lifting plate, 315-second sensor, 316-tray, 320-rotor suction mechanism, 321-base, 322-light source, 323-rotor retracting mechanism, 324-connector, 325-plug, 326-industrial camera, 327-light source, 328- stator pick-up and release mechanism, 531- left pushing device, 551- pushing block, 552- linear bearing seat, 553- detection reference block, 554- anti-collision block, 555- displacement sensor, 711- shock-absorbing pad rubber seat clamping device, 712- positioning pin feeding device, 713- shock-absorbing pad rubber seat feeding device, 714- positioning pin clamping and pressing device, 715- material receiving device, 716- main bracket, 7111- clamping claw cylinder, 7112- support seat, 7113- clamping claw pin, 7141- slide plate, 7142- fixing plate, 7143- pressing plate, 7144- pressing needle, 7145- forward pushing cylinder. [Specific implementation method]

[0044] See also Figures 1 to 18 , the present invention is an automotive vacuum pump automated production line, comprising a tooling plate 2, a transmission unit 10, a motor detection unit 1, a rotor stator installation unit 3, a stator cover installation unit 4, a stator gap adjustment unit 5, a gland locking unit 6 and a PLC controller;

[0045] The tooling board 2 is provided with a terminal block 22, a power supply block 23 and a base 21 for placing a vacuum pump motor. The power supply block 23 is electrically connected to the terminal block 22. The tooling board 1 is placed on the transmission unit 10. The tooling board 1 is also provided with a plug-in block 28 and a secondary positioning tool mounting block 26. The secondary positioning tool mounting block 26 is placed with a secondary positioning tool. The plug-in block 28 is connected to the power supply block 23 and the end cover positioning block 24. The end cover positioning block 24 is provided with a guide table 29 and a positioning block 25 for limiting the end cover of the vacuum pump motor. The end cover of the vacuum pump motor is placed upside down on the guide table 29. The positioning block 25 is against the side of the end cover of the vacuum pump motor to achieve effective positioning of the end cover of the vacuum pump motor. A coupling 27 is placed on the tooling board 1. The connector on the vacuum pump motor can be plugged into the terminal block 22.

[0046] The transmission unit 10 transmits the tooling plate 2 to the motor detection unit 1, the rotor stator installation unit 3, the stator cover installation unit 4, the stator gap adjustment unit 5, and the gland locking unit 6;

[0047] The motor detection unit 1 is provided with an image detection and recognition device, which detects and recognizes the placement position of parts on the vacuum pump motor. The image detection and recognition device includes an industrial camera, an input unit, a processor and a display. The industrial camera detects and recognizes the placement position of parts on the vacuum pump motor and transmits it to the processor through the input unit. The processor stores image information of the correct placement position, compares the information with the input information to determine whether the placement is correct to generate a judgment result, and outputs the judgment result to the display through the output unit to the tooling board. If the placement is correct, the display will display green. If the placement is incorrect, the display will display a red alarm. The motor detection unit 1 is also equipped with a coupling servo press-fitting device and a motor performance tester;

[0048] The rotor-stator installation unit 3 is provided with a rotor feeding mechanism 31, a stator feeding mechanism and a manipulator 33. A stator-rotor picking and placing mechanism 32 is installed at the end of the manipulator 33. The stator-rotor picking and placing mechanism 32 can take the rotor and the stator from the rotor feeding mechanism 31 and the stator feeding mechanism and place the rotor and the stator on the vacuum pump.

[0049] The stator cover installation unit 4 is provided with a stator cover placement device and an automatic cover placement device 40. The automatic cover placement device 40 includes a stator cover taking mechanism and a screw pre-tightening mechanism. The stator cover taking mechanism is installed on one side of the stator cover placement device. The stator cover taking mechanism is connected to the rotating manipulator. The stator cover taking mechanism includes a lifting cylinder and a suction cup. The piston on the lifting cylinder is connected to a lifting plate. A suction cup is installed on the lifting plate. The suction cup is connected to an air pump. The screw pre-tightening mechanism is installed on the lifting plate.

[0050] The stator gap adjustment unit 5 includes a screw tightening mechanism 50 and a working plate 51. The working plate 51 is provided with an opening and a second vacuum pump clamping unit 52 with a through hole. The opening is provided with a moving plate 53. The two sides of the moving plate 53 are installed on the working plate with adjustment blocks. The moving plate 53 is installed with a left pusher 531, a right pusher 55, a displacement sensor 555, a slide cylinder 56, and a first vacuum pump clamping unit 54 with a through hole. The first vacuum pump clamping unit 54 is located between the left pusher 531 and the right pusher 55. The displacement sensor 555 is installed on the right side of the right pusher. The screw tightening mechanism 50 is located above the working plate 51. The right pusher 55 includes a push block 551, a detection reference block 553, a linkage mechanism and a slide cylinder. The linkage mechanism and the slide cylinder 56 The push block 551 and the detection reference block 553 are connected to the left and right sides of the linkage mechanism respectively. The linkage mechanism includes a linear bearing seat 552. A guide rod is installed on the linear bearing seat 552. Both ends of the guide rod are connected to the push block 551 and the detection reference block 553 respectively. The first vacuum pump clamping unit 54 and the second vacuum pump clamping unit 52 both include a pressure ring and a mounting plate connected to the pressure ring. A rectangular spring is provided between the pressure ring and the mounting plate. An anti-collision block 554 is provided between the displacement sensor 555 and the detection reference block 553.

[0051] The stator cover placing device and the stator feeding mechanism have the same structure and both include a cam divider 42 and a material tray 41. The outer edge of the material tray 41 is provided with a plurality of photosensitive blocks 45. Multiple rows of stator covers are placed on the material tray 41. Each row of stator covers corresponds to the photosensitive blocks 45. A photoelectric sensor 44 is provided on one side of the material tray 41. The cam divider 42 is connected to the material tray 41 and controls the rotation of the material tray 41. The material tray 41 stops rotating after the photoelectric sensor 44 corresponds to the photosensitive block 45 where the stator cover of the required model is installed. A material ejecting mechanism 43 is provided below the material tray 41. The upper end of the material ejecting mechanism 43 is connected to a support plate. The stator covers are stacked on the support plate. The material ejecting mechanism 43 includes a lifting cylinder.

[0052] The motor detection unit 1, the rotor stator installation unit 3, the stator cover installation unit 4, the stator gap adjustment unit 5, and the gland locking unit 6 are all provided with a tooling plate lifting mechanism, and are all connected to the PLC controller;

[0053] The automobile vacuum pump automated production line also includes a shock-absorbing pad locating pin automatic installation unit 7 with a jacking mechanism, the shock-absorbing pad locating pin automatic installation unit 7 is located on the right side of the gland locking unit 6, the shock-absorbing pad locating pin automatic installation unit 7 includes a main bracket, a shock-absorbing pad rubber seat feeding device 713, a locating pin feeding device 712, a material receiving device 715, a shock-absorbing pad rubber seat clamping device 711, and a locating pin clamping and pressing device 714, the material receiving device 712 corresponds to the discharge end of the shock-absorbing pad rubber seat feeding device, the locating pin clamping and pressing device and the shock-absorbing pad rubber seat clamping device are both slidably installed on the main bracket 716, and a screw tightening mechanism is installed on the gland locking unit 6;

[0054] The shock-absorbing pad rubber seat clamping device 711 includes a clamping claw cylinder 7111, a clamping claw pin 7113, a support seat 7112, a rubber seat push-out cylinder and a rubber seat delivery cylinder installed on the support seat 7112, and the positioning pin clamping and pressing device 714 includes a slide plate 7141, a pressure plate 7143, a pressure pin 7144, a fixing plate 7142, a downward pressure cylinder connected to the slide plate 7141, a left and right adjustment cylinder and a forward push cylinder 7145, and the pressure pin 7144 is installed at the bottom of the pressure plate 7143. The fixing plate 7142 and the pressing plate 7143 are connected by guide pillars, the pressing cylinder is connected to the pressing plate 7143 and drives the pressing plate 7143 and the pressing needle 7144 to rise and fall synchronously to realize the taking and placing of the positioning pins on the positioning pin feeding device 712, the shock-absorbing pad rubber seat feeding device 713 and the positioning pin feeding device 712 both include a vibration plate and a direct vibration, the receiving device 715 corresponds to the end of the shock-absorbing pad rubber seat feeding device 713, and the left and right adjustment cylinders can adjust the left and right positions of the slide 7141;

[0055] The automobile vacuum pump automatic production line also includes a comprehensive performance detection unit 8 and a coding unit 9, which are located on the right side of the shock-absorbing pad positioning pin automatic installation unit 7 in sequence, and a mute box and a jacking mechanism are provided on the comprehensive performance detection unit 8. The mute box is equipped with an automobile electric vacuum pump comprehensive performance device and a power supply guide column, and a clamp is installed on one side of the mute box. The coding unit is a laser coding machine, and the shock-absorbing pad positioning pin automatic installation unit 7, the comprehensive performance detection unit 8 and the coding unit 9 are respectively connected to the PLC controller;

[0056] The rotor feeding mechanism 31 includes a frame 310 and a tray 316. The frame 310 is equipped with a tray lateral pushing mechanism, a first linear lifting mechanism 313, a second linear lifting mechanism 311, a first sensor 312 and a second sensor 315 for detecting whether the tray 316 reaches a specified position. The first sensor 312 and the second sensor 315 are connected to the first linear lifting mechanism 313 and the second linear lifting mechanism 311 respectively. The top ends of the first linear lifting mechanism 313 and the second linear lifting mechanism 311 are connected to a lifting plate 314. The lifting plate 314 supports the tray and controls the lifting of the tray 314. The lateral pushing mechanism can push the tray 316 to slide horizontally to the top of the first linear lifting mechanism 313.

[0057] The stator and rotor pick-up and placement mechanism 32 includes a base 321, an industrial camera 326 installed on the base 321, a light source 322, a rotor suction mechanism 320, a rotor retracting mechanism 323 and a stator pick-up and placement mechanism 328. The base 321 is rotatably connected to the manipulator. The rotor retracting mechanism 323 is located at the rear side of the light source 322. The rotor suction mechanism 320 includes a suction head, an air path is provided inside the suction head, and a suction cup is connected to the bottom of the suction head. The upper end of the rotor suction mechanism 320 is connected to the base 321 by a connector 324. The rotor suction mechanism, the rotor retracting mechanism 323 and the stator pick-up and placement mechanism 328 are all connected to an air pump, and the upper end of the rotor retracting mechanism 323 is connected to the base 321.

[0058] The rotor retracting mechanism 323 includes a shell, an air path connector installed on the shell, an air path 327 is provided inside the shell, a rotor retracting cavity and a plurality of reversing air blowing channels connected with the rotor retracting cavity and the air path 327 and capable of blowing air inward are provided inside the bottom end of the shell, and a plug 325 is installed at one end of the reversing air blowing channel away from the rotor retracting cavity;

[0059] The stator pick-up and place mechanism 328 includes a double-acting telescopic cylinder, a stator clamp and a magnetic switch installed on the telescopic cylinder. The double-acting telescopic cylinder is connected to the stator clamp and controls the stator clamp to open or close. The double-acting telescopic cylinder is connected to the cylinder control device. The industrial camera 326, the cylinder control device and the magnetic switch are respectively connected to the PLC controller.

[0060] The transmission unit 10 includes a driving device and a transmission belt. The driving device is connected to the transmission belt and drives the transmission belt to rotate. The tooling plate is placed on the upper belt surface of the conveyor belt. The transmission belt passes through the motor detection unit, the rotor stator installation unit, the stator gap adjustment unit, the gland locking unit and the performance detection unit in sequence.

[0061] A readable chip 20 is mounted on the tooling board 2. The readable chip 20 is used to store the automobile vacuum pump production information. The automobile vacuum pump production information includes the production quality, quantity, qualified rate and other data of the vacuum pump after being processed by each unit process, so as to trace the vacuum pump production process;

[0062] The motor detection unit 1, the rotor stator installation unit 3, the stator cover installation unit 4, the stator gap adjustment unit 5, and the pressure cover locking unit 6 are all provided with lifting blocks, the lifting blocks include a lifting cylinder and a block, and the lifting mechanism includes a lifting cylinder and a support plate connected to the lifting cylinder.

[0063] The PLC controller can control the working status of the electrical components in each unit to achieve individual switch control of each unit.

[0064] The working process of the automotive vacuum pump automated production line:

[0065] S01. The tooling plate 2 is transmitted to the motor detection unit 1 along with the transmission unit 10. After the lifting mechanism in the unit lifts the tooling plate 2, the vacuum pump motor, the coupling 27, and the secondary positioning tooling are placed in the designated area of ​​the tooling plate. Then, the special-shaped sealing ring is placed at the bottom of the motor shaft. After the industrial camera in the image detection and recognition device takes a correct picture, the stator seat is placed on it, and the secondary positioning tooling is placed. After the industrial camera takes a correct picture, the lifting mechanism descends, and the tooling plate 2 is transmitted to the motor detector area. After the motor data is tested to be qualified, it flows into the coupling servo press-fitting device area for coupling press-fitting. The clamping tooling on the coupling servo press-fitting device uses a cylinder to clamp the coupling and send it into the pressure head of the coupling servo press-fitting device. The coupling servo press-fitting device presses the coupling into the motor shaft;

[0066] S02. The tooling plate 2 flows to the rotor stator installation unit 3, the lifting mechanism lifts the tooling plate 2, the second linear lifting mechanism 311 on the rotor feeding mechanism 31 rises, the manipulator 33 uses the suction cup at the bottom of the rotor suction mechanism 320 to suck up the rotor in the frame 310, and the industrial camera 326 takes a picture of the coupling for positioning, the suction cup places the rotor on the stator seat, and the clamp on the stator pick-up and place mechanism 328 is used to clamp the stator from the stator feeding mechanism and place it on the stator seat. After the stator height is tested to be qualified, the lifting mechanism is lowered;

[0067] S03. The tooling plate 2 flows to the stator cover installation unit 4, the lifting mechanism lifts the tooling plate 2, the lifting mechanism 43 at the bottom of the stator cover placement device lifts the stator cover, the suction cup on the automatic cover loading device 40 sucks up the stator cover and places it on the stator, the screwdriver bit on the screw pre-tightening mechanism sucks the screws and pre-tightens them into four screw holes respectively, and the lifting mechanism descends;

[0068] S04. The tooling plate 2 flows to the stator gap adjustment unit 5, and the lifting mechanism lifts the tooling plate 2. The stator cover fits the bottom surface of the pressure ring on the first vacuum pump clamping unit 54, and the power guide column on the tooling plate 2 is turned on to make the motor rotate. It operates in a completely free state for 3-5 seconds to adjust the gap between the rotor and the stator to a free state. The motor stops rotating, and the current of the power guide column is disconnected. The stator cover is pressed down by the pneumatic pressure head tooling, and the screwdriver on the screw tightening mechanism tightens all the pre-tightening screws, and the lifting mechanism descends;

[0069] S05. The tooling plate 2 flows to the gland locking unit 6, and the lifting mechanism lifts the tooling plate 2. The manipulator on the gland locking unit 6 removes the secondary positioning tooling and puts it back on the secondary positioning tooling mounting seat 26, and grabs the gland and places it on the motor. The screwdriver on the manipulator absorbs the screws and pre-tightens them into the screw holes. Three screws are pre-tightened respectively, and then all the screws are tightened in sequence. The lifting mechanism descends, and the tooling plate 2 flows to the shock-absorbing pad positioning pin automatic installation unit 7 to automatically install the shock-absorbing pad and positioning pin. After the lifting mechanism lifts the tooling plate 2, the shock-absorbing pad passes through the shock-absorbing pad rubber seat feeding device. The vibration plate, direct vibration and pushing mechanism on 713 push the shock-absorbing pad into the material receiving device 715, and the shock-absorbing pad rubber seat clamping device 711 installs the shock-absorbing pad on the vacuum pump base. The positioning pin is pushed to the specified position by the vibration plate, direct vibration and pushing mechanism on the positioning pin feeding device 712, and the positioning pin is clamped by the pressing needle 7144 on the positioning pin clamping and pressing device 714, and the pressing plate 7143, the pressing needle 7144 and the positioning pin are pushed to the specified position by the forward pushing cylinder 7145, and the positioning pin is pressed by the downward pressing cylinder, and the lifting mechanism is lowered;

[0070] S06. The tooling plate 2 flows to the comprehensive performance detection unit 8, the lifting mechanism lifts the tooling plate 2, the clamp grabs the tooling plate 2 and the motor, and puts them into the bottom positioning area of ​​the silent box, the clamp returns to the origin, and the power supply guide column in the silent box is connected with the power supply guide column on the tooling plate 2, the power is turned on, the power supply is started and the empty test is performed for 5 seconds, the exhaust port tooling and the motor push block are pushed into the docking area horizontally, the motor push block is pushed to hold the motor housing, the exhaust port tooling is pushed and seamlessly connected with the motor exhaust port, the silent box cover is closed, and the comprehensive performance device of the automobile electric vacuum pump starts to detect various performance data of the vacuum pump. After the detection is completed, the silent box cover is opened, the clamp grabs the tooling plate 2 and the vacuum pump, and places them on the transmission unit 10, and the lifting mechanism descends;

[0071] S07. The tooling plate 2 flows to the coding unit 9, the lifting mechanism lifts the tooling plate 2, and the laser coding machine prints a QR code on the vacuum pump gland. After completion, the lifting mechanism descends, the vacuum pump is taken out, and the dust cover, bottom plug, and protective cover are installed in sequence to complete the production and assembly of the vacuum pump.

[0072] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention belongs to the protection scope of the present invention.

Claims

1. An automated production line for automobile vacuum pumps, characterized in that: It includes a tooling plate, a transmission unit, a motor detection unit, a rotor stator installation unit, a stator cover installation unit, a stator gap adjustment unit, a gland locking unit, a shock-absorbing pad locating pin automatic installation unit and a PLC controller; The tooling board is provided with a wiring socket, a power socket and a base for placing a vacuum pump motor, the power socket and the wiring socket are electrically connected, the tooling board is placed on the transmission unit, and a readable chip is installed on the tooling board, and the readable chip is used to store automobile vacuum pump production information; The transmission unit transmits the tooling plate to the motor detection unit, the rotor stator installation unit, the stator cover installation unit, the stator gap adjustment unit, and the gland locking unit; The motor detection unit is provided with an image detection and recognition device, which detects and recognizes the placement positions of parts on the vacuum pump motor; The rotor-stator installation unit is provided with a rotor feeding mechanism, a stator feeding mechanism and a manipulator, and a stator-rotor picking and placing mechanism is installed at the end of the manipulator, and the stator-rotor picking and placing mechanism can take the rotor and the stator from the rotor feeding mechanism and the stator feeding mechanism and place the rotor and the stator on the vacuum pump; The stator cover installation unit is provided with a stator cover placement device and an automatic cover placement device, the automatic cover placement device includes a stator cover taking mechanism and a screw pre-tightening mechanism, and the stator cover taking mechanism is installed on one side of the stator cover placement device; The stator gap adjustment unit includes a screw tightening mechanism and a working plate, on which a left pusher, a right pusher, a displacement sensor, a first vacuum pump clamping unit with a through hole and a second vacuum pump clamping unit are provided, wherein the first vacuum pump clamping unit is located between the left pusher and the right pusher, the displacement sensor is installed on the right side of the right pusher, and the screw tightening mechanism is located above the working plate; The stator cover placement device and the stator feeding mechanism both include a cam divider, a material tray, and a photoelectric sensor, and a plurality of photosensitive blocks are provided on the outer edge of the material tray; The motor detection unit, the rotor stator installation unit, the stator cover installation unit, the stator gap adjustment unit, and the gland locking unit are all provided with a tooling plate lifting mechanism, and are all connected to the PLC controller; The automatic installation unit of the shock-absorbing pad locating pin is located on the right side of the pressure cover locking unit, and the automatic installation unit of the shock-absorbing pad locating pin comprises a main bracket, a shock-absorbing pad rubber seat feeding device, a locating pin feeding device, a material receiving device, a shock-absorbing pad rubber seat clamping device, a locating pin clamping and pressing device, the material receiving device corresponds to the discharge end of the shock-absorbing pad rubber seat feeding device, the locating pin clamping and pressing device and the shock-absorbing pad rubber seat clamping device are both slidably installed on the main bracket, the shock-absorbing pad rubber seat clamping device comprises a clamping claw cylinder, a clamping claw pin, a supporting seat, a rubber seat pushing cylinder and a rubber seat conveying cylinder, the locating pin clamping and pressing device comprises a slide plate, a pressing plate, a pressing needle, a downward pressing cylinder connected to the slide plate, a left and right adjusting cylinder and a forward pushing cylinder, the pressing needle is installed at the bottom of the pressing plate, the downward pressing cylinder is connected to the pressing plate and drives the pressing plate and the pressing needle to rise and fall synchronously to realize the taking and placing of the locating pins on the locating pin feeding device.

2. The automotive vacuum pump automated production line according to claim 1, characterized in that: It also includes a comprehensive performance detection unit and a coding unit, which are located on the right side of the shock-absorbing pad positioning pin automatic installation unit in sequence. The comprehensive performance detection unit is provided with a silent box and a jacking mechanism. The silent box is installed with a comprehensive performance device of an automobile electric vacuum pump and a power guide column. A clamp is installed on one side of the silent box. The coding unit is a laser coding machine.

3. The automotive vacuum pump automated production line according to claim 1, characterized in that: The rotor feeding mechanism includes a frame and a pallet. The frame is equipped with a pallet lateral pushing mechanism, a first linear lifting mechanism, a second linear lifting mechanism, a first sensor and a second sensor for detecting whether the pallet has reached a specified position. The first sensor and the second sensor are respectively connected to the first linear lifting mechanism and the second linear lifting mechanism. The top ends of the first linear lifting mechanism and the second linear lifting mechanism are connected to a lifting plate. The lifting plate supports the pallet and controls the lifting and lowering of the pallet. The lateral pushing mechanism can push the pallet to slide laterally to above the first linear lifting mechanism.

4. The automotive vacuum pump automated production line according to claim 1, characterized in that: The stator and rotor picking and placing mechanism includes a base, an industrial camera installed on the base, a light source, a rotor suction mechanism, a rotor retracting mechanism and a stator picking and placing mechanism. The base is rotatably connected to the manipulator. The rotor suction mechanism includes a rotor suction cup. The rotor suction mechanism, the rotor retracting mechanism and the stator picking and placing mechanism are all connected to an air pump.

5. The automotive vacuum pump automated production line according to claim 4, characterized in that: The rotor retracting mechanism includes a shell and an air path connector installed on the shell. An air path is provided inside the shell. A rotor retracting cavity and a plurality of reversing air blowing channels which are connected to the rotor retracting cavity and the air path and can blow air inward are provided inside the bottom end of the shell. A plug is installed at one end of the reversing air blowing channel away from the rotor retracting cavity.

6. The automotive vacuum pump automated production line according to claim 4, characterized in that: The stator picking and placing mechanism includes a double-acting telescopic cylinder, a stator clamp and a magnetic switch installed on the double-acting telescopic cylinder. The double-acting telescopic cylinder is connected to the stator clamp and controls the stator clamp to open or close. The double-acting telescopic cylinder is connected to a cylinder control device. The industrial camera, the cylinder control device and the magnetic switch are respectively connected to a PLC controller.

7. The automotive vacuum pump automated production line according to claim 2, characterized in that: The transmission unit includes a driving device and a transmission belt. The driving device is connected to the transmission belt and drives the transmission belt to rotate. The tooling plate is placed on the upper belt surface of the conveyor belt. The transmission belt passes through the motor detection unit, the rotor stator installation unit, the stator gap adjustment unit, the gland locking unit and the comprehensive performance detection unit in sequence.

8. The automotive vacuum pump automated production line according to claim 1, characterized in that: The motor detection unit, the rotor stator installation unit, the stator cover installation unit, the stator gap adjustment unit and the gland locking unit are all provided with lifting blocks.

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