CN112051823A - Intelligent metal part statistical method and system based on label scanning - Google Patents
Intelligent metal part statistical method and system based on label scanning Download PDFInfo
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- 238000005520 cutting process Methods 0.000 claims abstract description 39
- 238000003466 welding Methods 0.000 claims abstract description 29
- 238000005498 polishing Methods 0.000 claims abstract description 21
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- 239000007788 liquid Substances 0.000 claims description 10
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- G05B19/00—Programme-control systems
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- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4183—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by data acquisition, e.g. workpiece identification
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
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Abstract
The invention discloses a metal part intelligent statistical method and a metal part intelligent statistical system based on label scanning.A label containing a product ID is provided for each metal part based on a metal part manufacturing process, and a two-dimensional code or a bar code corresponding to the product ID is printed on the label; after an operator finishes a certain procedure, the label is scanned through the scanning terminal, and the content of the label and the job number of the operator are uploaded to the cloud server; the statistics of the workload of the operators is realized; the job numbers of the operators correspond to a certain procedure in the cloud server one by one; the working procedures comprise casting, cutting, welding and polishing; the monitoring center, the casting device, the cutting device, the welding device and the polishing device are in communication connection through a CAN bus; casting device, cutting device, welding set and grinding device department all are equipped with the camera that is used for the control. The intelligent metal part statistical method and system based on label scanning are easy to implement and can realize intelligent statistics of workload.
Description
Technical Field
The invention relates to a metal part intelligent statistical method and system based on label scanning.
Background
The existing production of metal parts is generally based on modern division of labor, and each department is responsible for one working procedure; in addition, many factories have low technical levels, low production efficiency, or low machining accuracy, and therefore, it is necessary to modify existing production systems.
In addition, the existing production system adopts the completion amount of the statistics of management personnel, and has the problems of untimely data statistics and low digitization degree.
Therefore, there is a need to design a new intelligent statistical method and system for metal parts based on label scanning.
Disclosure of Invention
The invention aims to solve the technical problem of providing a metal part intelligent statistical method and system based on label scanning, wherein the metal part intelligent statistical method and system based on label scanning are complete in function and can realize intelligent statistics.
The technical solution of the invention is as follows:
a metal part intelligent statistical method based on label scanning is characterized in that a label containing a product ID is provided for each metal part based on the manufacturing process of the metal part, and two-dimensional codes or bar codes corresponding to the product ID are printed on the label;
after the operator finishes a certain procedure, the label is scanned through the scanning terminal, and the content of the label are combined
The job number of the operator is uploaded to a cloud server; the statistics of the workload of the operators is realized;
the job numbers of the operators correspond to a certain procedure in the cloud server one by one;
the working procedures comprise casting, cutting, welding and polishing;
the equipment corresponding to the casting, cutting, welding and polishing processes comprises a casting device, a cutting device, a welding device and a polishing device;
the monitoring center, the casting device, the cutting device, the welding device and the polishing device are in communication connection through a CAN bus;
casting device, cutting device, welding set and grinding device department all are equipped with the camera that is used for the control.
The scanning terminal is a smart phone or a Bluetooth scanning gun; the scanning terminal is in communication connection with the cloud server.
The product ID includes an order number; that is, each product is associated with a certain order, and the manager can know the completion condition of the certain order by accessing the cloud server. If an order is 1000, the manager can know how many pieces are currently completed and how many pieces are left by accessing the database in the cloud server. Thereby realizing intelligent management of production and orders.
Cameras for monitoring are arranged at the casting device, the cutting device, the welding device and the polishing device;
the casting device comprises a base, an electric control push rod, a crucible and a casting mold;
the middle section of the rotating shaft is inserted at the first end (right end) of the base, the middle section of the rotating shaft is fixed at the first end of the base, and the two ends of the rotating shaft are inserted on 2 bearings; the bearing is arranged in the bearing seat; the bearing and bearing seat are existing mature parts and are not shown in the figure;
the electric push rod is arranged below the second end (left end) of the base, and the base can rotate around the axis of the rotating shaft under the driving of the electric control push rod;
the casting mould and the crucible are fixed on the base;
the casting mould is provided with a mould cavity and a runner communicated with the mould cavity;
cooling water pipes are arranged around the die cavity and the runner, the cooling water pipes are positioned in the die cavity, and the cooling water pipes are connected with a cooling water container through a liquid pump;
the electric control push rod is a hydraulic push rod or an electric push rod;
a heat conduction layer as an inner layer and a heat insulation layer as an outer layer are arranged in the casting mould; the heat conduction layer is arranged around the die cavity and the flow channel; the cooling water pipe is arranged in the heat conduction layer;
an angle sensor is arranged on the base, and a coded disc is arranged on the rotating shaft. Temperature sensors are arranged in the crucible and the casting mold, the temperature sensors, the angle sensor and the code disc are all connected with the MCU, and the electric push rod is controlled by the MCU.
The cutting device comprises a machine table, a transverse guide rail, a transverse sliding table, a longitudinal guide rail longitudinal sliding table and a laser cutting head;
the number of the transverse guide rails is 2, the transverse guide rails are all fixed on the machine table, and the 2 transverse guide rails are parallel to each other and are all arranged along the X direction; a transverse sliding groove is arranged on the transverse guide rail; the bottom of the transverse sliding table is provided with 4 transverse pulleys; the transverse sliding table can slide along the transverse guide rail in the X direction;
the number of the longitudinal slide rails is 2, the longitudinal slide rails are all fixed on the transverse sliding table, and the 2 longitudinal slide rails are mutually parallel and are all arranged along the Y direction; grooves are formed in the 2 longitudinal guide rails; the bottom of vertical slip table is equipped with 2 pulleys: the left pulley and the right pulley are respectively arranged in the two grooves, so that the longitudinal sliding table can slide in the Y direction along the longitudinal guide rail;
the laser cutting head is fixed on the longitudinal sliding table;
the cutting device for the metal parts further comprises an X-direction driving mechanism for driving the transverse sliding table to translate and a Y-direction driving mechanism for driving the longitudinal sliding table; such as a lead screw drive mechanism, etc., as known in the art;
a double-steel-wire translation cooperative mechanism is arranged on the longitudinal sliding table;
the double-steel-wire translation cooperation mechanism comprises a first steel wire rope and a second steel wire rope;
two ends of a first steel wire rope are respectively fixed on binding posts at the right upper end and the left lower end of the longitudinal sliding table, and the middle part of the first steel wire rope is wound through the left pulley and the right pulley in a Z-shaped mode;
two ends of a second steel wire rope are respectively fixed on binding posts at the left upper end and the right lower end of the longitudinal sliding table, and the middle part of the second steel wire rope winds through the left pulley and the right pulley in a Z-shaped mode.
Left side pulley and right pulley are double flute pulley, and 2 recesses are respectively around adorning 2 steel wires. And code discs are arranged on the left pulley and the right pulley. The cutting device also comprises a stay wire type displacement detection mechanism for detecting the displacement of the transverse sliding table. The stay wire type displacement detection mechanism comprises a stay wire and a fixed pulley; the fixed pulley is arranged on the machine table, and a torsion spring for tensioning the stay wire is arranged on the fixed pulley; one end of the stay wire is wound on the fixed pulley, and the other end of the stay wire, namely the free end, is fixed on the transverse sliding table; the fixed pulley is provided with a code disc. And limit switches (namely travel switches) are arranged on the transverse guide rail and the longitudinal guide rail.
The welding device comprises a base, a transverse translation platform, a rotating platform, a speed regulating mechanism and a molten liquid output mechanism;
the transverse translation platform is arranged on a guide rail of the base and is driven by a translation driving motor through a ball screw;
the guide rails are not shown, and the translation drive motor and the ball screw driven transverse translation platform are well known in the art and not shown in the figures.
The rotating platform is provided with a rotating shaft which is vertical to the base; the rotating shaft is inserted in a bearing on the transverse translation platform;
a rotary driving motor is further arranged on the transverse translation platform, a driving gear is arranged on an output shaft of the rotary driving motor, and the rotary platform is provided with an external gear meshed with the driving gear; the rotary driving motor can drive the rotary platform to rotate;
the speed regulating mechanism comprises a speed regulating rod arranged on the base;
the melt output mechanism comprises a support, a cross rod and a nozzle for outputting melt; the cross rod is fixed on the top end of the support, and the nozzle is arranged at the end part of the cross rod.
Specifically, the crucible is provided with melt, the tilt of the crucible is controlled to output the melt, and the crucible is reset to stop outputting the melt, which is the prior art.
A first touch display screen is arranged on the stand column;
the nozzle is connected with the cross rod through a lifting mechanism;
the lifting mechanism is a lifting platform driven by a hydraulic cylinder;
the translation driving motor is driven by a frequency converter.
The polishing device comprises a main motor and a rotary platform, wherein the rotary platform is arranged at the lower end of a rotating shaft of the main motor, and the rotary platform is connected with and linked with the lower end of the rotating shaft; the rotary platform is provided with N grinding heads and a grinding head driving motor for driving each grinding head; the grinding head is arranged in the radial direction; n is an integer greater than 2;
the device also comprises a position detection module, wherein the position detection module comprises N receiving tubes arranged on the rotary platform and a transmitting tube arranged on the stator of the main motor; the N receiving tubes correspond to the N grinding heads one by one; the receiving tubes and the transmitting tubes are arranged at the same height, so that when one receiving tube is aligned with the transmitting tube, the receiving tube can receive optical signals transmitted by the transmitting tube;
the N driving motors and the main motor are controlled by the MCU, and the position detection module is connected with the MCU. The receiving tube and the transmitting tube can be infrared receiving tubes and transmitting tubes, and can also be visible receiving tubes and transmitting tubes.
N is 4, and 4 bistriques are equally divided to the rotary platform circumference and are arranged, and the main motor is step motor.
The monitoring center is an industrial personal computer which is in communication connection with the cloud server. Relevant field data are stored on the cloud server, so that the processing field data can be checked through accessing the server through a mobile phone or other PC machines.
The casting control module corresponding to the casting device comprises an MCU, a displacement sensor, a code disc, a temperature sensor, a relay and a touch display screen;
the displacement sensor, the coded disc, the temperature sensor, the valve and the touch display screen are all connected with the MCU;
the coded disc is arranged on the rotating shaft; the rotating shaft is fixed at the bottom of the first end of the base;
the displacement sensor is arranged at the electric push rod and used for detecting the lifting displacement of the electric push rod; the electric push rod is used for driving the second end of the base to lift;
the temperature sensor is arranged in the crucible and the casting mold;
the relay is used for controlling the action of the electric control push rod;
the touch display screen serves as a human interface device.
The cutting control module corresponding to the cutting device comprises an MCU, a limit switch, a driving module, a code disc, a displacement sensing module, a control button, a display screen and a relay; the coded disc is used for detecting the displacement of the longitudinal slide block; the displacement sensing module is used for detecting the displacement of the transverse sliding block; the limit switch, the driving module, the code disc, the displacement sensing module, the control button, the display screen and the relay are all connected with the MCU; the displacement sensing module adopts a magnetic induction displacement sensor; the output end of the magnetic induction displacement sensor is connected with the MCU through an amplifying circuit; the driving module comprises a frequency converter and a motor, and the frequency converter is connected with a power supply end of the motor; the transverse sliding table and the longitudinal sliding table are used for driving the fine cutting equipment to slide in the X direction and the Y direction; a normally open switch of the relay is arranged in a power supply circuit of the motor; and a coil of the relay is controlled by an IO port of the MCU.
The corresponding connection control module of the welding device comprises an MCU, an angle sensor, a transverse displacement sensor, a longitudinal displacement sensor, a potentiometer, a first frequency converter, a second frequency converter and a hydraulic valve;
the angle sensor, the transverse displacement sensor, the longitudinal displacement sensor, the potentiometer, the first frequency converter, the second frequency converter and the hydraulic valve are all connected with the MCU;
the angle sensor is used for detecting the rotation angle of the rotating platform;
the transverse displacement sensor is used for detecting the displacement of the transverse translation platform;
the longitudinal displacement sensor is used for detecting the elongation of the hydraulic cylinder;
the potentiometer is used for detecting the rotation angle of the operating rod;
the first frequency converter is used for driving the rotary driving motor;
the second frequency converter is used for driving the translation driving motor;
the hydraulic valve is used for controlling the action of the hydraulic cylinder.
The polishing control module corresponding to the polishing device comprises an MCU, an infrared transmitting tube, 4 infrared receiving tubes, a main motor, 4 grinding head driving motors and 4 relays; the infrared transmitting tube is powered by a separate power supply; the 4 infrared receiving tubes are connected with IO ports of the MCU, and the MCU is connected with coils of the 4 relays through the driving circuit; normally open contacts of the 4 relays are correspondingly connected in series in a power supply circuit of the 4 grinding head driving motors, so that the MCU can independently drive each grinding head to rotate; the main motor is a stepping motor, and the pulse signal output end of the MCU is connected with the control end of the main motor.
A label is arranged on the processed workpiece, and a bar code or a two-dimensional code is arranged on the label; this label is scanned through cell-phone or bluetooth scanning rifle, can carry out the work load calculation to and wage calculation. Specifically, because the tags correspond to the orders, that is, the ID corresponding to each tag is unique, and the ID number can be corresponding to the job number of the operator by each scanning in combination with the ERP system, so that the calculation of the workload can be realized, for example, when a certain employee makes 100 parts on the day, the piece-counting payroll of each part is 5 yuan, the piece-counting payroll of the employee is 500 yuan, the piece-recording information of a plurality of employees is collected into the database of the ERP, and the manager of the plant can check the completion condition of each order by accessing the ERP system. Thereby contributing to intelligent management of the plant.
A metal part intelligent statistical system based on label scanning comprises a cloud server and a scanning terminal; the scanning terminal is used for scanning the two-dimensional code or the bar code on the label; the scanning terminal is in communication connection with the cloud server; the intelligent metal piece statistical method is adopted to realize the statistics of the metal pieces.
Has the advantages that:
the intelligent metal part statistical method and system based on label scanning have the following characteristics that:
casting device
(1) High accuracy
The coded disc is used for detecting the rotating angle, the precision is high, in addition, the angle sensor is used for detecting the angle, the redundancy design is adopted, and the reliability is high. In addition, a displacement sensor (an existing mature device) is adopted to detect the lifting amount of the electric control push rod, so that the state of the base is detected;
(2) the operation is smooth;
the electric control push rod is adopted to drive the base to rotate, the structure is simple, and the implementation is easy.
(3) The casting quality can be guaranteed by adopting the mode of integral rotation
The integral rotation can avoid the faults of partial parts in the casting, and the integral reliability of the system is enhanced, so that the casting quality can be guaranteed.
(4) Using special amplifying circuits
The temperature signal is amplified by the amplifying circuit with adjustable amplification factor, so that the flexibility is good, and the precision and the measuring range can be controlled.
(5) Has a cooling mechanism, improves the casting efficiency
The cooling mechanism can accelerate the cooling speed of the casting part, thereby improving the casting efficiency.
The cutting device has the following characteristics:
(1) high accuracy
The displacement is detected by using the code disc, the precision is high, wherein the transverse displacement is detected by using the code disc on the fixed pulley, and the longitudinal displacement is detected by using the code discs on the left pulley and the right pulley.
(2) The operation is smooth;
the double-steel-wire translation cooperative mechanism is adopted to ensure the smooth operation of the longitudinal sliding table, so that the smooth operation of the longitudinal sliding table can be effectively ensured, and the blocking condition is avoided.
(III) the welding device has the following characteristics:
(1) high accuracy
The coded disc is used for detecting the rotating angle, the precision is high, in addition, the angle sensor is used for detecting the angle, the redundancy design is adopted, and the reliability is high. In addition, a displacement sensor (an existing mature device) is adopted to detect the displacement, so that the positions of the translation platform and the lifting platform are detected;
(2) the operation is smooth;
the translation platform is driven by the motor and the ball screw, the rotary platform is driven by the motor and the gear transmission mechanism, and the lifting platform is driven by the hydraulic cylinder, so that the structure is simple and the implementation is easy.
(3) Has a speed regulation mechanism
The speed regulation can be realized by adopting the speed regulation rod to be matched with the potentiometer, and in addition, the rotating speed of the motor is driven by the frequency converter, so that the implementation is easy.
(IV) the grinding device has the following characteristics:
(1) can flexibly switch grinding heads and has high efficiency
Through rotary platform's rotation, the alignment of infrared correlation pipe in addition can switch the bistrique in a flexible way, compares the manual work and changes the bistrique, and efficiency is higher.
(2) And the alignment of the grinding head and the workpiece is realized by adopting an infrared correlation tube.
The accuracy is high, and its circuit is simple to control, easy to implement. And the main motor adopts a stepping motor, so that the start and stop of the motor are easily and accurately controlled.
(3) Compact structure and small occupied space
The polishing device adopts the rotating platform to install the plurality of polishing heads, and has a compact structure.
In addition, the statistical method and the statistical system can realize the management of the process progress in the factory based on the scanning of the label, can realize the query and the statistics of the completion amount of each order and can further calculate the wage, thereby being capable of showing the datamation of the factory system and having great economic benefit.
In summary, the intelligent metal part statistical method and system based on label scanning have rich functions, and each specific device has compact structure and high precision, and is suitable for popularization and implementation.
Drawings
FIG. 1 is a schematic diagram of the general configuration of a metal part production system;
FIG. 2 is a schematic structural view of a metal casting apparatus;
FIG. 3 is an electrical schematic block diagram of a casting apparatus;
fig. 4 is a schematic diagram of an amplifier circuit.
FIG. 5 is a schematic view of a cutting device;
FIG. 6 is a schematic structural view of a double-wire translation cooperative mechanism;
FIG. 7 is an electrical schematic block diagram of a cutting device;
FIG. 8 is a schematic view of a welding apparatus;
FIG. 9 is an electrical schematic block diagram of a welding apparatus;
fig. 10 is a schematic diagram of a governor lever-potentiometer detection circuit.
FIG. 11 is a control block diagram of a grinding apparatus for metal parts;
FIG. 12 is a general block diagram of a grinding apparatus for metal parts;
fig. 13 is a schematic view of the distribution of the grinding heads on the rotary platform;
fig. 14 is a schematic view of the connection relationship between the grinding head drive motor and the MCU.
Description of reference numerals: 1-transverse guide rail, 2-transverse sliding chute, 3-transverse pulley, 4-binding post, 5-longitudinal sliding table, 6-longitudinal guide rail, 7-laser cutting head, 8-transverse sliding table, 9-first steel wire rope, 10-second steel wire rope, 11-left pulley, 12-right pulley, 13-fixed column, 14-stay wire, 15-fixed pulley and 16-machine table.
21-base, 22-rotating shaft, 23-die cavity, 24-cooling water pipe, 25-casting die, 26-heat conduction layer, 27-flow channel, 28-crucible and 29-electric control push rod.
31-first abrasive, 32-second abrasive, 33-third abrasive, 34-fourth abrasive, 35-main motor, 36-transmitting tube, 37-rotating platform, 38-workpiece, 39-receiving tube.
41-base, 42-pillar, 43-cross bar, 44-lifting mechanism, 45-nozzle, 46-rotating shaft, 47-rotating platform, 48-driving gear, 49-rotating driving motor, 50-transverse translation platform, 51-speed regulating rod and 52-touch display screen.
Detailed Description
The invention will be described in further detail below with reference to the following figures and specific examples:
example 1:
a metal part intelligent statistical method based on label scanning is characterized in that a label containing a product ID is provided for each metal part based on the manufacturing process of the metal part, and two-dimensional codes or bar codes corresponding to the product ID are printed on the label;
after an operator finishes a certain procedure, the label is scanned through the scanning terminal, and the content of the label and the job number of the operator are uploaded to the cloud server; the statistics of the workload of the operators is realized;
the job numbers of the operators correspond to a certain procedure in the cloud server one by one;
the working procedures comprise casting, cutting, welding and polishing;
the equipment corresponding to the casting, cutting, welding and polishing processes comprises a casting device, a cutting device, a welding device and a polishing device;
the monitoring center, the casting device, the cutting device, the welding device and the polishing device are in communication connection through a CAN bus;
casting device, cutting device, welding set and grinding device department all are equipped with the camera that is used for the control.
The scanning terminal is a smart phone or a Bluetooth scanning gun; the scanning terminal is in communication connection with the cloud server.
The product ID includes an order number; that is, each product is associated with a certain order, and the manager can know the completion condition of the certain order by accessing the cloud server.
A metal part intelligent statistical system based on label scanning comprises a cloud server and a scanning terminal; the scanning terminal is used for scanning the two-dimensional code or the bar code on the label; the scanning terminal is in communication connection with the cloud server; the intelligent metal piece statistical method is adopted to realize the statistics of the metal pieces.
The following description of each specific apparatus is as follows:
casting device
The structure is as follows:
referring to fig. 2-4, a metal part casting apparatus comprises a base 21, an electrically controlled push rod 29, a crucible 28 and a mold 26;
the middle section of the rotating shaft is inserted at the first end (right end) of the base, the middle section of the rotating shaft is fixed at the first end of the base, and the two ends of the rotating shaft are inserted on 2 bearings; the bearing is arranged in the bearing seat; the bearing and bearing seat are existing mature parts and are not shown in the figure;
the electric push rod is arranged below the second end (left end) of the base, and the base can rotate around the axis of the rotating shaft under the driving of the electric control push rod;
the casting mould and the crucible are fixed on the base;
the casting mould is provided with a mould cavity 23 and a runner 27 communicated with the mould cavity;
cooling water pipes 24 are arranged around the die cavity and the runner, the cooling water pipes are positioned in the die cavity, and the cooling water pipes are connected with a cooling water container through a liquid pump; the liquid pump and the cooling water container are not shown in the figure.
The electric control push rod is a hydraulic push rod or an electric push rod.
A heat conduction layer as an inner layer and a heat insulation layer as an outer layer are arranged in the casting mould; the heat conduction layer is arranged around the die cavity and the flow channel; the cooling water pipe is arranged in the heat conduction layer.
An angle sensor is arranged on the base, and a coded disc is arranged on the rotating shaft.
Temperature sensors are arranged in the crucible and the casting mold, the temperature sensors, the angle sensor and the code disc are all connected with the MCU, and the electric push rod is controlled by the MCU.
Description of the working process:
when the base is horizontal, the base is in a standby state or a reset state; when the base rotates clockwise, pouring is started, and molten liquid in the crucible enters the die cavity through the runner; and after the pouring is finished, rotating counterclockwise to reset.
The MCU drives the base to rotate by controlling the electric control push rod;
the rotation angle is detected through the code disc and the angle sensor, a preset angle is reached, and the electric control push rod is stopped to lift; the displacement detection belongs to auxiliary detection and is used for detecting the position of an ejector rod of the electric control push rod.
After the pouring is finished, when cooling is needed, cooling water circulation is started, and a temperature sensor is used for monitoring the temperature of the molten liquid in the crucible and the temperature inside the casting mold.
The heat preservation layer is used for preventing heat loss during pouring and ensuring the temperature uniformity of the molten liquid; and when the heat conducting layer is used for cooling, the heat is rapidly conducted out through cooling water heat exchange, and the purpose of accelerating cooling is achieved.
The specific control process is the existing mature technology.
The control system comprises:
as shown in fig. 3, the metal casting control system corresponding to the casting system includes an MCU, a displacement sensor, a code wheel, a temperature sensor, a relay and a touch display screen;
the displacement sensor, the coded disc, the temperature sensor, the valve and the touch display screen are all connected with the MCU;
the coded disc is arranged on the rotating shaft; the rotating shaft is fixed at the bottom of the first end of the base;
the displacement sensor is arranged at the electric push rod and used for detecting the lifting displacement of the electric push rod; the electric push rod is used for driving the second end of the base to lift;
the temperature sensor is arranged in the crucible and the casting mold;
the relay is used for controlling the action of the electric control push rod;
the touch display screen serves as a human interface device.
Still be equipped with angle sensor on the base, angle sensor links to each other with MCU.
The MCU is also connected with a communication module.
The communication module is a WiFi module, a 3G, 4G or 5G communication module.
The MCU adopts a singlechip or a DSP.
(3) An amplifying circuit:
because the signal Vin output by the temperature sensor is weak, an amplifier with adjustable amplification factor is designed; the specific circuit connection and working principle are as follows:
as shown in fig. 4, the Vin signal terminal is connected to the inverting input terminal of the operational amplifier LM393 through the resistor R0, the inverting input terminal of the operational amplifier LM393 is grounded through the resistor R0, the inverting input terminal of the operational amplifier LM393 is further connected to 4 input channels of the 4-out-of-4 selector through the 4 resistors R01-R04, respectively, the output channel of the 4-out-of-4 selector is connected to the output terminal Vout of the operational amplifier LM393, and Vout is connected to the ADC terminal of the MCU;
in addition, 2 output ports of the MCU are respectively connected with a channel selection end A and a channel selection end B of a 4-selection selector;
calculation formula of Vout and Vin:
vout ═ Vin, (Rx + R0)/R0; wherein Rx ═ R01, R02, R03, or R04; determining which resistance to select based on the gate terminal AB; and R01, R02, R03 and R04 are each different; preferred R04-5-R03-25-R02-100-R01; r01-5 × R0. can conveniently achieve span and precision switching.
(II) a cutting device:
as shown in fig. 5-6, a cutting device for metal parts comprises a machine table 16, a transverse guide rail 1, a transverse sliding table 8, a longitudinal guide rail 6, a longitudinal sliding table 5 and a laser cutting head 7;
the number of the transverse guide rails is 2, the transverse guide rails are all fixed on the machine table, and the 2 transverse guide rails are parallel to each other and are all arranged along the X direction; a transverse sliding groove 2 is arranged on the transverse guide rail; the bottom of the transverse sliding table is provided with 4 transverse pulleys 3; the transverse sliding table can slide along the transverse guide rail in the X direction;
the number of the longitudinal slide rails is 2, the longitudinal slide rails are all fixed on the transverse sliding table, and the 2 longitudinal slide rails are mutually parallel and are all arranged along the Y direction; grooves are formed in the 2 longitudinal guide rails; the bottom of vertical slip table is equipped with 2 pulleys: the left pulley 11 and the right pulley 12 are respectively arranged in the two grooves, so that the longitudinal sliding table can slide in the Y direction along the longitudinal guide rail;
the laser cutting head is fixed on the longitudinal sliding table;
the cutting device for the metal parts further comprises an X-direction driving mechanism for driving the transverse sliding table to translate and a Y-direction driving mechanism for driving the longitudinal sliding table; such as a lead screw drive mechanism, etc., are known in the art.
A double-steel-wire translation cooperative mechanism is arranged on the longitudinal sliding table;
the double-steel-wire translation cooperation mechanism comprises a first steel wire rope 9 and a second steel wire rope 10;
two ends of a first steel wire rope 9 are respectively fixed on the binding posts 4 at the right upper end and the left lower end of the longitudinal sliding table, and the middle part of the first steel wire rope is wound through the left pulley and the right pulley in a Z-shaped mode;
two ends of a second steel wire rope 10 are respectively fixed on the binding posts 4 at the left upper end and the right lower end of the longitudinal sliding table, and the middle part of the second steel wire rope winds through the left pulley and the right pulley in a Z-shaped mode.
Left side pulley and right pulley are double flute pulley, and 2 recesses are respectively around adorning 2 steel wires.
And code discs are arranged on the left pulley and the right pulley.
The cutting device for the metal parts further comprises a stay wire type displacement detection mechanism for detecting the displacement of the transverse sliding table.
The stay wire type displacement detection mechanism comprises a stay wire 14 and a fixed pulley 15; the fixed pulley is arranged on the machine table, and a torsion spring for tensioning the stay wire is arranged on the fixed pulley; one end of the stay wire is wound on the fixed pulley, and the other end of the stay wire, namely the free end, is fixed on the transverse sliding table; the fixed pulley is provided with a code disc.
And limit switches (namely travel switches) are arranged on the transverse guide rail and the longitudinal guide rail.
Referring to fig. 7, an electric control system of a cutting device for metal parts includes an MCU, a limit switch, a driving module, a code wheel, a displacement sensing module, a control button, a display screen and a relay; the coded disc is used for detecting the displacement of the longitudinal slide block; the displacement sensing module is used for detecting the displacement of the transverse sliding block;
the limit switch, the driving module, the code disc, the displacement sensing module, the control button, the display screen and the relay are all connected with the MCU;
the displacement sensing module adopts a magnetic induction displacement sensor; the output end of the magnetic induction displacement sensor is connected with the MCU through an amplifying circuit;
the driving module comprises a frequency converter and a motor, and the frequency converter is connected with a power supply end of the motor; the transverse sliding table and the longitudinal sliding table are used for driving the fine cutting equipment to slide in the X direction and the Y direction;
a normally open switch of the relay is arranged in a power supply circuit of the motor; a coil of the relay is controlled by an IO port of the MCU;
(III) welding device:
the structure is as follows:
referring to fig. 8, a welding device for metal parts is characterized by comprising a base 1, a transverse translation platform 50, a rotating platform 47, a speed regulating mechanism and a molten liquid output mechanism;
the transverse translation platform is arranged on a guide rail of the base and is driven by a translation driving motor through a ball screw;
the guide rails are not shown, and the translation drive motor and the ball screw driven transverse translation platform are well known in the art and not shown in the figures.
A rotating shaft 46 is arranged on the rotating platform and is vertical to the base; the rotating shaft is inserted in a bearing on the transverse translation platform;
a rotary driving motor 49 is further arranged on the transverse translation platform, a driving gear 48 is arranged on an output shaft of the rotary driving motor, and the rotary platform is provided with an external gear meshed with the driving gear; the rotary driving motor can drive the rotary platform to rotate;
the speed regulating mechanism comprises a speed regulating rod 51 arranged on the base;
the melt output mechanism comprises a pillar 42, a cross bar 43 and a nozzle 45 for outputting melt; the cross rod is fixed on the top end of the support, and the nozzle is arranged at the end part of the cross rod.
Specifically, the crucible is provided with melt, the tilt of the crucible is controlled to output the melt, and the crucible is reset to stop outputting the melt, which is the prior art.
A touch screen display 52 is provided on the post.
The nozzle is connected to the cross-bar by a lifting mechanism 44.
The lifting mechanism is a lifting platform driven by a hydraulic cylinder.
The translation driving motor is driven by a frequency converter.
The control system comprises:
referring to fig. 9-10, a control system of a welding device for metal parts includes an MCU, an angle sensor, a lateral displacement sensor, a longitudinal displacement sensor, a potentiometer, a first frequency converter, a second frequency converter, and a hydraulic valve;
the angle sensor, the transverse displacement sensor, the longitudinal displacement sensor, the potentiometer, the first frequency converter, the second frequency converter and the hydraulic valve are all connected with the MCU;
the angle sensor is used for detecting the rotation angle of the rotating platform;
the transverse displacement sensor is used for detecting the displacement of the transverse translation platform;
the longitudinal displacement sensor is used for detecting the elongation of the hydraulic cylinder;
the potentiometer is used for detecting the rotation angle of the operating rod;
the first frequency converter is used for driving the rotary driving motor;
the second frequency converter is used for driving the translation driving motor;
the hydraulic valve is used for controlling the action of the hydraulic cylinder. The specific driving process is the prior art.
The angle sensor adopts a code disc and can also adopt a gyroscope.
The transverse displacement sensor is connected with the MCU through an amplifier with adjustable amplification factor.
The operating rod is connected with the potentiometer; the potentiometer is bridged between a positive electrode Vcc of the direct-current power supply and the ground, and the output end of the potentiometer is connected with the MCU through an operational amplifier and an ADC device (namely an analog/digital converter for converting an analog signal into a digital signal) in sequence;
a first pulse output end of the MCU is connected with a control end of the first frequency converter;
and a second pulse output end of the MCU is connected with a control end of the second frequency converter.
The transverse translation platform is arranged on a guide rail of the base and is driven by a translation driving motor through a ball screw;
a rotating shaft 46 is arranged on the rotating platform and is vertical to the base; the rotating shaft is inserted in a bearing on the transverse translation platform;
a rotary driving motor 49 is further arranged on the transverse translation platform, a driving gear 48 is arranged on an output shaft of the rotary driving motor, and the rotary platform is provided with an external gear meshed with the driving gear; the rotary driving motor can drive the rotary platform to rotate;
the speed regulating rod 51 is arranged on the base and is connected with the potentiometer; the potentiometer can be rotated by pushing the speed adjusting rod, so that the output resistance of the potentiometer is changed, and the potentiometer is the prior art. The larger the output voltage of the potentiometer is, the faster the transverse translation module is controlled to translate, and the speed control is realized.
The melt output mechanism comprises a pillar 42, a cross bar 43 and a nozzle 45 for outputting melt; the cross bar is fixed to the top end of the post, and the nozzle is disposed at the end of the cross bar and connected to the cross bar by a lifting mechanism 44.
(IV) a polishing device:
referring to fig. 12 to 14, a grinding device for metal parts includes a main motor 35 and a rotary platform 37, the rotary platform is disposed at a lower end of a rotating shaft of the main motor, and the rotary platform is connected and linked with the lower end of the rotating shaft; the rotary platform is provided with N grinding heads and a grinding head driving motor for driving each grinding head; the grinding head is arranged in the radial direction; n is an integer greater than 2;
the device also comprises a position detection module, wherein the position detection module comprises N receiving tubes arranged on the rotary platform and a transmitting tube 36 arranged on the stator of the main motor; the N receiving tubes correspond to the N grinding heads one by one; the receiving tubes and the transmitting tubes are arranged at the same height, so that when one receiving tube is aligned with the transmitting tube, the receiving tube can receive optical signals transmitted by the transmitting tube;
the N driving motors and the main motor are controlled by the MCU, and the position detection module is connected with the MCU. The receiving tube and the transmitting tube can be infrared receiving tubes and transmitting tubes, and can also be visible receiving tubes and transmitting tubes.
N is 4, and 4 grinding heads are circumferentially equally distributed relative to the rotating platform.
The MCU is a singlechip, a DSP or an ARM processor.
The main motor is a stepping motor.
The MCU is connected with a communication module.
The MCU is also connected with a temperature detection circuit;
the temperature sensor is connected with the amplifying circuit;
the temperature sensor is used for detecting the temperature of the working environment.
In addition, the control circuit is explained as follows:
as shown in fig. 11, the control circuit of the surface processing device (i.e., the polishing apparatus) for the metal part includes an MCU, an infrared transmitting tube, 4 infrared receiving tubes, a main motor, 4 grinding head driving motors, and 4 relays;
the infrared transmitting tube is powered by a separate power supply; the 4 infrared receiving tubes are connected with IO ports of the MCU, and the MCU is connected with coils of the 4 relays through the driving circuit; normally open contacts of the 4 relays are correspondingly connected in series in a power supply circuit of the 4 grinding head driving motors, so that the MCU can independently drive each grinding head to rotate; the specific relay driving circuit and the relay normally open contact control motor circuit are the existing mature technology;
the main motor is a stepping motor, and the pulse signal output end of the MCU is connected with the control end of the main motor;
the MCU is also connected with a start-stop switch and a touch display screen. The start-stop switch comprises a branch start switch and a stop switch for starting and stopping, and the two switches are common button switches.
The drive circuit of specific relay and the circuit of the normally open contact control motor of relay are the existing mature technologies, and the MCU drive stepping motor is the existing mature technology.
The MCU is also connected with a communication module; the communication module is a Bluetooth module or a 5G module. So that the grinding head action can be controlled by a remote terminal or a remote controller. The MCU is also connected with a camera to realize on-site monitoring.
The rotating platform is arranged at the lower end of a rotating shaft of the main motor; the 4 grinding heads are arranged on the rotating platform and are arranged in a circumferentially and equally-divided manner; the grinding head is arranged outwards in the radial direction;
the arrangement positions of the 4 infrared receiving tubes correspond to the positions of the 4 grinding heads one by one; the 4 infrared receiving tubes are all arranged on the rotary platform; the infrared receiving tube is arranged on the stator of the main motor, and the installation heights of the infrared receiving tube and the infrared transmitting tube are the same, so that when a certain infrared receiving tube is aligned with the infrared transmitting tube, the infrared receiving tube can receive signals sent by the infrared transmitting tube.
The axis of the main motor is overlapped with the axis of the rotary platform, and the axial direction of the main motor is vertical; the axis of the grinding head is vertical to the axis of the main motor.
Claims (10)
1. The intelligent metal part statistical method based on label scanning is characterized in that a label containing a product ID is provided for each metal part based on the manufacturing process of the metal part, and a two-dimensional code or a bar code corresponding to the product ID is printed on the label;
after an operator finishes a certain procedure, the label is scanned through the scanning terminal, and the content of the label and the job number of the operator are uploaded to the cloud server; the statistics of the workload of the operators is realized;
the job numbers of the operators correspond to a certain procedure in the cloud server one by one;
the working procedures comprise casting, cutting, welding and polishing;
the equipment corresponding to the casting, cutting, welding and polishing processes comprises a casting device, a cutting device, a welding device and a polishing device;
the monitoring center, the casting device, the cutting device, the welding device and the polishing device are in communication connection through a CAN bus;
casting device, cutting device, welding set and grinding device department all are equipped with the camera that is used for the control.
2. The intelligent metal part statistical method based on label scanning as claimed in claim 1, wherein the scanning terminal is a smart phone or a Bluetooth scanning gun; the scanning terminal is in communication connection with the cloud server.
3. The intelligent statistical method for metal parts based on label scanning as claimed in claim 1, wherein the product ID comprises an order number; that is, each product is associated with a certain order, and the manager can know the completion condition of the certain order by accessing the cloud server.
4. The intelligent statistical method of metal parts based on label scanning according to claim 1, characterized in that the cutting device comprises a machine table (16), a transverse guide rail (1), a transverse sliding table (8), a longitudinal guide rail (6), a longitudinal sliding table (5) and a laser cutting head (7);
the number of the transverse guide rails is 2, the transverse guide rails are all fixed on the machine table, and the 2 transverse guide rails are parallel to each other and are all arranged along the X direction; a transverse sliding groove (2) is arranged on the transverse guide rail; the bottom of the transverse sliding table is provided with 4 transverse pulleys (3); the transverse sliding table can slide along the transverse guide rail in the X direction;
the number of the longitudinal slide rails is 2, the longitudinal slide rails are all fixed on the transverse sliding table, and the 2 longitudinal slide rails are mutually parallel and are all arranged along the Y direction; grooves are formed in the 2 longitudinal guide rails; the bottom of vertical slip table is equipped with 2 pulleys: the left pulley (11) and the right pulley (12) are respectively arranged in the two grooves, so that the longitudinal sliding table can slide in the Y direction along the longitudinal guide rail;
the laser cutting head is fixed on the longitudinal sliding table;
the cutting device for the metal parts further comprises an X-direction driving mechanism for driving the transverse sliding table to translate and a Y-direction driving mechanism for driving the longitudinal sliding table;
a double-steel-wire translation cooperative mechanism is arranged on the longitudinal sliding table;
the double-steel-wire translation cooperation mechanism comprises a first steel wire rope (9) and a second steel wire rope (10);
two ends of a first steel wire rope (9) are respectively fixed on binding posts (4) at the right upper end and the left lower end of the longitudinal sliding table, and the middle part of the first steel wire rope winds through the left pulley and the right pulley in a Z-shaped mode;
two ends of a second steel wire rope (10) are respectively fixed on binding posts (4) at the left upper end and the right lower end of the longitudinal sliding table, and the middle part of the second steel wire rope winds through the left pulley and the right pulley in a Z-shaped mode.
5. The intelligent statistical method of metal parts based on label scanning as claimed in claim 1, wherein the casting device comprises a base (21), an electric control push rod (29), a crucible (28) and a casting mold (26);
the middle section of the rotating shaft is inserted at the first end (right end) of the base, the middle section of the rotating shaft is fixed at the first end of the base, and the two ends of the rotating shaft are inserted on 2 bearings; the bearing is arranged in the bearing seat;
the electric push rod is arranged below the second end of the base, and the base can rotate around the axis of the rotating shaft under the driving of the electric control push rod;
the casting mould and the crucible are fixed on the base;
the casting mould is provided with a mould cavity (23) and a runner (27) communicated with the mould cavity;
cooling water pipes (24) are arranged around the die cavity and the runner, the cooling water pipes are positioned in the die cavity, and the cooling water pipes are connected with a cooling water container through a liquid pump;
the electric control push rod is a hydraulic push rod or an electric push rod;
a heat conduction layer as an inner layer and a heat insulation layer as an outer layer are arranged in the casting mould; the heat conduction layer is arranged around the die cavity and the flow channel; the cooling water pipe is arranged in the heat conduction layer.
6. The intelligent statistical method for metal parts based on label scanning as claimed in claim 1, wherein the grinding device comprises a main motor (35) and a rotary platform (37), the rotary platform is arranged at the lower end of a rotating shaft of the main motor, and the rotary platform is connected with and linked with the lower end of the rotating shaft; the rotary platform is provided with N grinding heads and a grinding head driving motor for driving each grinding head; the grinding head is arranged in the radial direction; n is an integer greater than 2;
the grinding device also comprises a position detection module, wherein the position detection module comprises N receiving tubes arranged on the rotary platform and a transmitting tube (36) arranged on a stator of the main motor; the N receiving tubes correspond to the N grinding heads one by one; the receiving tubes and the transmitting tubes are arranged at the same height, so that when one receiving tube is aligned with the transmitting tube, the receiving tube can receive optical signals transmitted by the transmitting tube;
the N driving motors and the main motor are controlled by the MCU, and the position detection module is connected with the MCU.
7. The intelligent metal part statistical method based on label scanning is characterized in that a welding device comprises a base (1), a transverse translation platform (50), a rotating platform (47), a speed regulating mechanism and a molten liquid output mechanism;
the transverse translation platform is arranged on a guide rail of the base and is driven by a translation driving motor through a ball screw;
a rotating shaft (46) is arranged on the rotating platform and is vertical to the base; the rotating shaft is inserted in a bearing on the transverse translation platform;
a rotary driving motor (49) is further arranged on the transverse translation platform, a driving gear (48) is arranged on an output shaft of the rotary driving motor, and the rotary platform is provided with an external gear meshed with the driving gear; the rotary driving motor can drive the rotary platform to rotate;
the speed regulating mechanism comprises a speed regulating rod (51) arranged on the base;
the melt output mechanism comprises a support column (42), a cross rod (43) and a nozzle (45) for outputting melt; the cross rod is fixed on the top end of the support, and the nozzle is arranged at the end part of the cross rod.
A first touch display screen (52) is arranged on the upright post;
the nozzle is connected with the cross rod through a lifting mechanism (44);
the lifting mechanism is a lifting platform driven by a hydraulic cylinder;
the translation driving motor is driven by a frequency converter.
8. The intelligent metal part statistical method based on label scanning is characterized in that a cutting control module corresponding to a cutting device comprises an MCU, a limit switch, a driving module, a coded disc, a displacement sensing module, a control button, a display screen and a relay; the coded disc is used for detecting the displacement of the longitudinal slide block; the displacement sensing module is used for detecting the displacement of the transverse sliding block; the limit switch, the driving module, the code disc, the displacement sensing module, the control button, the display screen and the relay are all connected with the MCU; the displacement sensing module adopts a magnetic induction displacement sensor; the output end of the magnetic induction displacement sensor is connected with the MCU through an amplifying circuit; the driving module comprises a frequency converter and a motor, and the frequency converter is connected with a power supply end of the motor; the transverse sliding table and the longitudinal sliding table are used for driving the fine cutting equipment to slide in the X direction and the Y direction; a normally open switch of the relay is arranged in a power supply circuit of the motor; and a coil of the relay is controlled by an IO port of the MCU.
9. The intelligent metal part statistical method based on label scanning according to any one of claims 1-8, wherein the corresponding control module of the welding device comprises an MCU, an angle sensor, a transverse displacement sensor, a longitudinal displacement sensor, a potentiometer, a first frequency converter, a second frequency converter and a hydraulic valve;
the angle sensor, the transverse displacement sensor, the longitudinal displacement sensor, the potentiometer, the first frequency converter, the second frequency converter and the hydraulic valve are all connected with the MCU;
the angle sensor is used for detecting the rotation angle of the rotating platform;
the transverse displacement sensor is used for detecting the displacement of the transverse translation platform;
the longitudinal displacement sensor is used for detecting the elongation of the hydraulic cylinder;
the potentiometer is used for detecting the rotation angle of the operating rod;
the first frequency converter is used for driving the rotary driving motor;
the second frequency converter is used for driving the translation driving motor;
the hydraulic valve is used for controlling the action of the hydraulic cylinder;
the polishing control module corresponding to the polishing device comprises an MCU, an infrared transmitting tube, 4 infrared receiving tubes, a main motor, 4 grinding head driving motors and 4 relays; the infrared transmitting tube is powered by a separate power supply; the 4 infrared receiving tubes are connected with IO ports of the MCU, and the MCU is connected with coils of the 4 relays through the driving circuit; normally open contacts of the 4 relays are correspondingly connected in series in a power supply circuit of the 4 grinding head driving motors, so that the MCU can independently drive each grinding head to rotate; the main motor is a stepping motor, and the pulse signal output end of the MCU is connected with the control end of the main motor.
10. A metal part intelligent statistical system based on label scanning is characterized by comprising a cloud server and a scanning terminal; the scanning terminal is used for scanning the two-dimensional code or the bar code on the label;
the scanning terminal is in communication connection with the cloud server;
the metal piece intelligent statistical method of any one of claims 1-9 is adopted to realize the statistics of the metal piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010991076.0A CN112051823A (en) | 2020-09-20 | 2020-09-20 | Intelligent metal part statistical method and system based on label scanning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010991076.0A CN112051823A (en) | 2020-09-20 | 2020-09-20 | Intelligent metal part statistical method and system based on label scanning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112051823A true CN112051823A (en) | 2020-12-08 |
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ID=73604134
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010991076.0A Pending CN112051823A (en) | 2020-09-20 | 2020-09-20 | Intelligent metal part statistical method and system based on label scanning |
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| Country | Link |
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| CN (1) | CN112051823A (en) |
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2020
- 2020-09-20 CN CN202010991076.0A patent/CN112051823A/en active Pending
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