CN111634043A - Intelligent detection control press - Google Patents
Intelligent detection control press Download PDFInfo
- Publication number
- CN111634043A CN111634043A CN202010460289.0A CN202010460289A CN111634043A CN 111634043 A CN111634043 A CN 111634043A CN 202010460289 A CN202010460289 A CN 202010460289A CN 111634043 A CN111634043 A CN 111634043A
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- CN
- China
- Prior art keywords
- temperature sensor
- guide rail
- flywheel
- temperature
- crankshaft
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/26—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by cams, eccentrics, or cranks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/18—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/022—Power-transmitting couplings or clutches
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/221—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance by investigating the dielectric properties
Abstract
The invention discloses an intelligent detection control press machine in the press machine field, which comprises a press machine body, wherein each group of guide assemblies on the periphery of a slide block is provided with at least one temperature sensor I, a front bearing seat of a crankshaft is provided with a temperature sensor II, a rear bearing seat is provided with a temperature sensor III, and a connecting rod of the crankshaft is provided with a temperature sensor IV; a large gear at the rear end of the crankshaft is meshed with a small gear on the gear shaft, and a flywheel on the gear shaft is provided with at least two temperature sensors V; an oil quality sensor for detecting oil in the oil tank is arranged outside the machine body; the end part of the gear shaft is provided with a clutch brake device corresponding to the flywheel, the outer side of the machine body is provided with a detection tool corresponding to the clutch brake device, and the detection tool is provided with a temperature sensor six and a displacement sensor. The invention can detect the temperature of the kinematic pair of the press, detect the quality of the lubricating oil in the oil tank and monitor the wear degree of the friction plate of the clutch brake device.
Description
Technical Field
The invention belongs to the field of presses, and particularly relates to an intelligent detection control press.
Background
In the prior art, the press machine is a universal stamping device with an exquisite structure and has the characteristics of wide application, high production efficiency and the like. The press machine can be widely applied to the processes of cutting, punching, blanking, bending, riveting, forming and the like. The metal is processed into parts by applying a strong pressure to the metal blank to cause plastic deformation and fracture of the metal. When the mechanical press works, a motor drives a large belt pulley (usually also used as a flywheel) through a triangle belt, and a crank-slider mechanism is driven through a gear pair, so that a slider and a male die linearly move downwards. After the forging and pressing work of the mechanical press is finished, the sliding block moves upwards, the clutch is automatically disengaged, and meanwhile, the brake on the crankshaft is switched on, so that the sliding block stops near a top dead center. When the existing press works, the temperature of a guide rail sliding pair, a connecting rod copper shoe, a crankshaft support bearing and other kinematic pairs can rise after working for a long time, and the temperature of the kinematic pair cannot be reliably detected in real time at present; the oil quality of the lubricating oil cannot be monitored; the abrasion loss and the temperature rise of the clutch brake cannot be reliably monitored, and the abrasion and the temperature rise alarm cannot be realized.
Disclosure of Invention
The invention aims to provide an intelligent detection control press machine which can detect the temperature of a kinematic pair of the press machine, avoid overhigh temperature rise of the kinematic pair, detect the quality of lubricating oil in an oil tank of the press machine and monitor the wear degree of a friction plate of a clutch brake device.
The purpose of the invention is realized as follows: an intelligent detection control press machine comprises a press body, wherein a slide block capable of sliding up and down is arranged on the press body, the section of the slide block is rectangular, four groups of guide assemblies are vertically arranged on the press body corresponding to four edges of the slide block, each guide assembly is arranged corresponding to each corner of the slide block one by one, each guide assembly comprises a guide rail I and a guide rail II which are perpendicular to each other, the guide rail I and the guide rail II are respectively arranged corresponding to two adjacent planes of the corresponding edges of the slide block, each group of guide assemblies is provided with at least one temperature sensor I, the upper part of the press body is rotatably provided with two mutually parallel crankshafts corresponding to the slide block, the crankshaft lines are longitudinally arranged, front and rear two main journal shafts corresponding to each crankshaft on the press body are respectively provided with a front bearing seat and a rear bearing seat, and the front and rear two main journal shafts of, a second temperature sensor is arranged on the front bearing seat, a third temperature sensor is arranged on the rear bearing seat, a connecting rod is hinged to a connecting rod journal of the crankshaft, the lower end of the connecting rod is hinged to a ball seat on the sliding block through a ball screw, and a fourth temperature sensor is arranged on the connecting rod; the rear end of each crankshaft is sleeved with a large gear, the two large gears are meshed and connected with each other, a gear shaft is rotatably arranged on the machine body corresponding to the large gears and parallel to the crankshaft, a small gear is sleeved at one end of the gear shaft positioned in the machine body and meshed and connected with the corresponding large gear, a flywheel in transmission connection with a rotary driving mechanism is arranged on a shaft body of the gear shaft positioned outside the machine body, and at least two temperature sensors are arranged on the flywheel; an oil quality sensor for detecting oil in the oil tank is arranged on the outer side of the machine body; the end part of the gear shaft is provided with a clutch brake device corresponding to the flywheel, the outer side of the machine body is provided with a detection tool corresponding to the clutch brake device, and the detection tool is provided with a temperature sensor six and a displacement sensor.
When the stamping machine works, the rotary driving mechanism drives the flywheel to rotate, the flywheel drives the pinion on the gear shaft to rotate, the pinion drives the big gears to rotate, the two big gears are meshed with each other, the two crankshafts rotate simultaneously, the crankshafts drive the connecting rods to swing, the two connecting rods drive the sliding blocks to move up and down, and the upper dies on the sliding blocks are matched with the lower dies of the machine body to complete stamping. Compared with the prior art, the invention has the beneficial effects that: the temperature sensors monitor the temperature of the guide assemblies at the four corners of the sliding block; the temperature sensors II, III and IV respectively monitor the temperature of bearings on the front main journal and the rear main journal of the crankshaft and the temperature of bearing bushes on the connecting rod journals of the crankshaft, the temperature sensor V detects the temperature of the flywheel bearings, the oil quality sensor can monitor the quality of lubricating oil in an oil tank of the machine body, and the temperature sensor VI and the displacement sensor on the detection tool monitor the abrasion loss and the temperature of the clutch brake device. The invention can measure the temperature rise of the kinematic pair of the press, monitor the quality of lubricating oil and monitor the state of the clutch brake, thereby realizing the intelligent detection and control of the press during working.
As a further improvement of the invention, the first guide rail of the guide assembly positioned on the front side is an integral guide rail plate, the second guide rail of the guide assembly positioned on the front side comprises two split guide rail plates which are correspondingly arranged up and down, the first guide rail and the second guide rail of the guide assembly positioned on the rear side both comprise two split guide rail plates which are correspondingly arranged up and down, lubricating oil channels are respectively arranged on the integral guide rail plate and the split guide rail plates on the surfaces contacting with the sliding block, each lubricating oil channel comprises a plurality of horizontal oil channels which are sequentially arranged at equal intervals from top to bottom, a connecting oil channel is obliquely arranged between any two adjacent horizontal oil channels up and down, and each guide assembly is fixedly installed on the machine body through a corresponding guide rail installation plate. Lubricating oil in the lubricating oil channel lubricates the lifting motion of the sliding block between the guide assemblies, and the lubricating oil flows along the lubricating oil channel and can be fully contacted with the guide rail sliding block.
As a further improvement of the invention, the first temperature sensor is a screw thread installation type platinum thermal resistor, the depth of the screw thread installation type thermal resistor inserted into the first guide rail or the second guide rail from the side surface is 0.3-0.5 of the width of the corresponding guide rail, the first temperature sensor is installed on the two guide rails positioned on the front side of the sliding block, the two guide rails positioned on the rear side of the sliding block and the two guide rails positioned on the rear part of the right side of the sliding block, and the first temperature sensor is connected with a temperature input module of the PLC in a wired transmission mode. Selecting 6 guide rails to install a first contact type temperature sensor, wherein the first temperature sensor is a screw thread installation type platinum thermal resistor, and combining a pressing device such as a movable cutting sleeve or a spring washer and the like to tightly attach the first temperature sensor to the inner part of the guide rails, thereby detecting the central temperature of the guide rails.
As a further improvement of the invention, the second temperature sensor, the third temperature sensor and the fourth temperature sensor are all end face type platinum thermal resistors, the second temperature sensor is vertically arranged at the lower part of the front bearing seat, the second temperature sensor is in contact with a bearing in the front bearing seat, the rear bearing seat is integrally arranged on the machine body, the third temperature sensor is vertically arranged at the upper part of the rear bearing seat, the third temperature sensor is in contact with the bearing in the rear bearing seat, the connecting rod comprises a connecting rod cover positioned above a crankshaft connecting rod journal and a connecting rod body positioned below the crankshaft connecting rod journal, an upper bearing bush and a lower bearing bush are sleeved on the periphery of the crankshaft connecting rod journal, the fourth temperature sensor is vertically arranged at the upper part of the connecting rod cover, the fourth temperature sensor is in contact with the upper bearing bush, and the end face type platinum thermal resistors are connected with. The temperature measuring points are distributed on the bearings at the front and rear main journals of the two crankshafts and the bearings at the crankshaft connecting rod journals, and the temperature measuring elements are tightly attached to the surfaces of the bearings and the bearing bushes in a deep-buried installation mode, so that the temperature can be more accurately obtained; the influence of the wire resistance on the temperature measurement precision can be reduced by adopting a three-wire system or four-wire system wired transmission connection mode.
As a further improvement of the invention, an unloading sleeve is sleeved on the gear shaft, an unloading sleeve bearing is arranged between the inner wall of a sleeve hole of the unloading sleeve and the periphery of the gear shaft, the flywheel is sleeved on the unloading sleeve through a central hole, a flywheel bearing is arranged between the inner wall of the central hole of the flywheel and the outer wall of the unloading sleeve, a temperature sensor five is an end surface type platinum thermistor, two temperature sensors five which are distributed correspondingly one above the other are arranged on the flywheel, the two temperature sensors five are respectively close to the front end and the rear end of the flywheel, the two temperature sensors five are obliquely embedded into the flywheel and are in contact with the flywheel bearing, the unloading sleeve is also obliquely embedded with the temperature sensor five which is in contact with the unloading sleeve bearing, two temperature collectors which are correspondingly arranged up and down are arranged in the central hole of the flywheel, and each temperature collector is connected with the corresponding temperature, the temperature collector is in wireless connection with the signal concentrator, and the signal concentrator is connected with a temperature input module of the PLC. Installing a temperature sensor V in the flywheel in a pre-embedded mode, and enabling the temperature measuring element at the end part to be in close contact with the outer ring of the bearing; the temperature collectors are symmetrically arranged on the inner ring of the flywheel and are connected with a platinum resistor through a three-wire connection method; connecting a PC end and a setter through a USB interface, finishing the setting of the sampling frequency and the power grade of the temperature collector and the signal concentrator, and confirming the normal work of the instrument through the serial port communication with the signal concentrator (disconnecting the signal concentrator from the PC end after the setting is finished); and finally, connecting the signal concentrator with a CPU of the PLC through an RS 485 port to complete the construction of a hardware circuit.
As a further improvement of the invention, the large gear and the small gear are both positioned in an oil tank of the machine body, the oil quality sensor is vertically arranged on the side surface of the oil tank through pipe threads, and the oil quality sensor is positioned at the lubricating oil depth of 1/3-1/2. The quality of the oil product is related to the dielectric constant of the lubricating oil, the oil product quality sensor realizes real-time judgment of the quality of the lubricating oil by monitoring the dielectric constant of the lubricating oil, the dielectric constant of the lubricating oil is good when the dielectric constant of the lubricating oil is less than 2.35, the dielectric constant of the lubricating oil is good when the dielectric constant of the lubricating oil is 2.35-2.40, and the dielectric constant of the lubricating oil is poor when the dielectric constant exceeds 2.40; the mounting position of the oil quality sensor can be selected to be below the depth of the liquid level 1/3, so that the pollution of the oil quality sensor probe caused by the accumulation of impurities and abrasive particles can be avoided.
As a further improvement of the invention, the clutch brake device comprises a joint disc fixedly sleeved on a gear shaft, the gear shaft is also sleeved with an annular cylinder corresponding to the joint disc, the gear shaft passes through a central hole of an annular piston of the cylinder, a brake disc is arranged on an annular end face of the cylinder corresponding to the piston, an annular first friction disc body is arranged between the annular brake disc and the piston, a plurality of friction plates are arranged on the left end face and the right end face of the first friction disc body, the peripheral edge of the first friction disc body is fixedly connected with two connecting plates I which are symmetrically distributed along the radial direction, a through hole is arranged on the connecting plate I, two parallel fixed rods are arranged on the machine body corresponding to the two connecting plates I, the fixed rods axially pass through the through holes corresponding to the connecting plates I, an annular second friction disc body is arranged between the piston, the peripheral edge of the second friction disc body is fixedly connected with two connecting plates II which are symmetrically distributed along the radial direction, through holes are formed in the connecting plates II, two parallel clutch pins are arranged on the flywheel corresponding to the two connecting plates II, and the clutch pins axially penetrate through the through holes corresponding to the connecting plates II; the joint disc is fixedly connected with an annular spring seat, a plurality of springs are uniformly distributed on the spring seat along the circumferential direction, and the other ends of the springs elastically abut against the piston. When the piston of the cylinder presses the friction plate of the second friction disc body, the friction plate at the other end of the second friction disc body is tightly attached to the joint disc, the flywheel and the second friction disc body rotate simultaneously, the first friction disc body is spaced from the piston and the brake disc, the first friction disc body is hung on the fixed rod through the first connecting plate, and at the moment, the first friction disc body is in a clutch state; when the cylinder piston compresses the friction plate of the first friction plate body to be attached to the brake disc, the piston is separated from the friction plate of the second friction plate body, the first connecting plate of the first friction plate body is fixed with the machine body through the fixing rod, the brake disc realizes braking, the gear shaft brakes, and at the moment, the brake state is achieved.
As a further improvement of the invention, the detection tool comprises a support fixed on the outer side of the machine body, a vertical tool plate I is fixedly connected to the support, a temperature sensor VI is arranged on the tool plate I, the temperature sensor VI is an online infrared thermometer, at least one horizontal tool plate II is fixedly connected to the tool plate I, a displacement sensor is arranged on the tool plate II, and the displacement sensor is an eddy current displacement sensor. And a sixth temperature sensor monitors the temperature rise of the friction plate, and a displacement sensor is selected to measure the axial displacement of a first connecting plate fixedly connected with the first friction plate body and a second connecting plate fixedly connected with the second friction plate body, so that the abrasion loss of the friction plate is indirectly obtained.
As a further improvement of the invention, the two tooling plates II are arranged, the two tooling plates II are respectively arranged at the left side and the right side of the tooling plate I, displacement sensors are respectively arranged on the two tooling plates II, the right side displacement sensor is arranged corresponding to the connecting plate I, and the left side displacement sensor is arranged corresponding to the connecting plate II. And respectively detecting the displacement difference between the first connecting plate and the initial position and the displacement difference between the second connecting plate and the initial position through the two displacement sensors to obtain the abrasion loss of the friction plates of the first friction disc body and the second friction disc body.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a perspective view of the present invention.
Fig. 3 is a schematic view of the structure of the crankshaft, connecting rod and slide block.
Fig. 4 is a schematic structural view of a right guide assembly.
Fig. 5 is a schematic structural view of the right guide assembly.
Fig. 6 is a structural schematic diagram of a first temperature sensor mounted on a guide rail. .
Fig. 7 is a schematic view of the structure of the crankshaft, connecting rod and slide block.
Fig. 8 is a schematic structural view of a rear bearing seat of the crankshaft.
FIG. 9 is a cross-sectional view of a crankshaft, connecting rod and slide block.
Fig. 10 is a diagram showing a positional relationship between a large gear and a small gear.
Fig. 11 is a schematic structural view of the flywheel.
Fig. 12 is a sectional view of the flywheel and the gear shaft.
FIG. 13 is a schematic view of the back side of the press of the present invention.
Fig. 14 is a schematic structural view of a fuselage fuel tank.
Fig. 15 is a schematic structural diagram of the inspection tool of the present invention.
Fig. 16 is a schematic structural diagram of a clutch brake device and a detection tool.
Fig. 17 is a front view of the clutch brake device.
Fig. 18 is a cross-sectional view along AA of fig. 17.
Fig. 19 is a partially enlarged view of fig. 18.
Wherein, 1a machine body, 1a oil tank, 2 sliding blocks, 3 guiding components, 3a guide rail I, 3b guide rail II, 4 temperature sensor I, 5 crankshaft, 6 front bearing seat, 7 rear bearing seat, 8 temperature sensor II, 9 temperature sensor III, 10 connecting rod, 10a connecting rod cover, 11 ball head screw rod, 12 ball head seat, 13 temperature sensor IV, 14 large gear, 15 gear shaft, 15a pinion, 16 flywheel, 16a flywheel gland, 17 temperature sensor V, 18 oil quality sensor, 19 displacement sensor, 20 lubricating oil channel, 20a horizontal oil channel, 20b connecting oil channel, 21 guide rail mounting plate, 22 bearing, 23 upper bearing bush, 24 lower bearing bush, 25 unloading sleeve, 25a sleeve hole, 26 center hole, 27 temperature collector, 28 joint plate, 29 cylinder, 29a piston, 30 brake disc, 31 first friction disc body, 32 friction disc 33I, 34 fixing rod, 35 through hole, 36 second friction disc body, 37 connecting plate II, 38 clutch pin, 39 spring seat, 40 support, 41 tooling plate I, 42 tooling plate II, 43 temperature sensor six, 44 lubricating oil level.
Detailed Description
As shown in fig. 1-19, an intelligent detection control press comprises a press body 1, a slide block 2 capable of sliding up and down is arranged on the press body 1, the section of the slide block 2 is rectangular, four groups of guide assemblies 3 are vertically arranged on the press body 1 corresponding to four edges of the slide block 2, each guide assembly 3 is arranged corresponding to each corner of the slide block 2 one by one, each guide assembly 3 comprises a guide rail I3 a and a guide rail II 3b which are perpendicular to each other, the guide rail I3 a and the guide rail II 3b are respectively arranged corresponding to two adjacent planes of the corresponding edges of the slide block 2, each group of guide assemblies 3 is provided with at least one temperature sensor I4, two crankshafts 5 which are parallel to each other are rotatably arranged on the upper portion of the press body 1 corresponding to the slide block 2, the crankshafts 5 are arranged in a longitudinal direction, a front bearing seat 6 and a rear bearing seat 7 are respectively arranged, the front main journal and the rear main journal of the crankshaft 5 are respectively rotatably connected on a front bearing seat 6 and a rear bearing seat 7 through bearings 22, the front bearing seat 6 is provided with a second temperature sensor 8, the rear bearing seat 7 is provided with a third temperature sensor 9, a connecting rod 10 is hinged on a connecting rod journal of the crankshaft 5, the lower end of the connecting rod 10 is hinged with a ball head seat 12 on the sliding block 2 through a ball head screw 11, and the connecting rod 10 is provided with a fourth temperature sensor 13; the rear end of each crankshaft 5 is sleeved with a large gear 14, the two large gears 14 are meshed and connected with each other, a gear shaft 15 is rotatably arranged on the machine body 1 corresponding to the large gears 14, the gear shaft 15 is parallel to the crankshaft 5, one end, located in the machine body 1, of the gear shaft 15 is sleeved with a small gear 15a, the small gear 15a is meshed and connected with the corresponding large gear 14, a flywheel 16 in transmission connection with a rotary driving mechanism is arranged on a shaft body, located outside the machine body 1, of the gear shaft 15, and at least two temperature sensors five 17 are arranged on the flywheel 16; an oil quality sensor 18 for detecting oil in the oil tank 1a is arranged outside the machine body 1; the oil quality sensor 18 is arranged at one third of the depth below the lubricating oil liquid level 44, the end part of the gear shaft 15 is provided with a clutch brake device corresponding to the flywheel 16, the outer side of the machine body 1 is provided with a detection tool corresponding to the clutch brake device, and the detection tool is provided with a temperature sensor six 43 and a displacement sensor 19. The first guide rail 3a of the guide assembly 3 that is located the front side is an integral guide rail plate, the second guide rail 3b of the guide assembly 3 that is located the front side includes two split type guide rail plates that correspond the setting from top to bottom, the first guide rail 3a of the guide assembly 3 that is located the rear side, the second guide rail 3b includes two split type guide rail plates that correspond the setting from top to bottom, the integral guide rail plate and the split type guide rail plate all are provided with lubricating oil duct 20 with the one side of slider 2 contact, lubricating oil duct 20 includes a plurality of horizontal oil ducts 20a that are arranged at equal intervals in proper order from top to bottom, the slope is provided with connecting oil duct 20b between two arbitrary upper and lower adjacent horizontal oil ducts 20a, each guide assembly 3 all is through corresponding guide rail mounting panel 21 fixed. The first temperature sensor 4 is a screw thread installation type platinum thermal resistor, the depth of the screw thread installation type thermal resistor inserted into the first guide rail 3a or the second guide rail 3b from the side surface is 0.3-0.5 of the width of the corresponding guide rail, the first temperature sensor 4 is installed on the two guide rails positioned on the front side of the sliding block 2, the two guide rails positioned on the rear side of the sliding block 2 and the two guide rails positioned on the rear part of the right side of the sliding block 2, and the first temperature sensor 4 is connected with a temperature input module of a PLC in a wire transmission mode. The second temperature sensor 8 is used for measuring the temperature, the third temperature sensor 9 and the fourth temperature sensor 13 are both end-face platinum thermistors, the second temperature sensor 8 is vertically installed at the lower part of the front bearing seat 6, the second temperature sensor 8 is in contact with a bearing 22 in the front bearing seat 6, the rear bearing seat 7 is integrally arranged on the machine body 1, the third temperature sensor 9 is vertically installed at the upper part of the rear bearing seat 7, the third temperature sensor 9 is in contact with the bearing 22 in the rear bearing seat 7, the connecting rod 10 comprises a connecting rod cover 10a positioned above a connecting rod journal of the crankshaft 5 and a connecting rod 10 body positioned below the connecting rod journal of the crankshaft 5, an upper bearing bush 23 and a lower bearing bush 24 are sleeved on the periphery of the connecting rod journal of the crankshaft 5, the fourth temperature sensor 13 is vertically installed at the upper part of the connecting rod cover 10a, the fourth temperature sensor 13 is in contact with the upper bearing bush 23, and the end-face.
An unloading sleeve 25 is sleeved on the gear shaft 15, an unloading sleeve 25 bearing is arranged between the inner wall of a sleeve hole 25a of the unloading sleeve 25 and the periphery of the gear shaft 15, the flywheel 16 is sleeved on the unloading sleeve 25 through a central hole 26, a flywheel bearing is arranged between the inner wall of the central hole 26 of the flywheel 16 and the outer wall of the unloading sleeve 25, the temperature sensors five 17 are end-surface type platinum thermal resistors, two temperature sensors five 17 which are correspondingly distributed one on top of the other are arranged on the flywheel 16, the two temperature sensors five 17 are respectively close to the front end and the rear end of the flywheel 16, the two temperature sensors five 17 are obliquely embedded into the flywheel 16 and are contacted with the flywheel bearing, the temperature sensors five 17 which are contacted with the unloading sleeve 25 bearing are also obliquely embedded into the unloading sleeve 25, two temperature collectors 27 which are correspondingly arranged up and down are arranged in the central hole 26 of the flywheel 16, and flywheel, each temperature collector 27 is connected with a corresponding temperature sensor five 17 on the flywheel 16 through a three-wire connection method, the temperature collectors 27 are wirelessly connected with a signal concentrator, and the signal concentrator is connected with a temperature input module of the PLC. The large gear 14 and the small gear 15a are both located in an oil tank 1a of the machine body 1, the oil quality sensor 18 is vertically installed on the side face of the oil tank 1a through pipe threads, and the oil quality sensor 18 is located at the lubricating oil depth of 1/3-1/2. The clutch brake device comprises a joint disc 28 fixedly sleeved on a gear shaft 15, an annular cylinder 29 is sleeved on the gear shaft 15 corresponding to the joint disc 28, the gear shaft 15 is arranged by penetrating through a central hole of an annular piston 29a of the cylinder 29, a brake disc 30 is arranged on an annular end face of the cylinder 29 corresponding to the piston 29a, an annular first friction disc body 31 is arranged between the annular brake disc 30 and the piston 29a, a plurality of friction plates 32 are arranged on both left and right end faces of the first friction disc body 31, two connecting plates 33 which are symmetrically distributed along the radial direction are fixedly connected to the peripheral edge of the first friction disc body 31, a through hole 35 is formed in each connecting plate 33, two parallel fixing rods 34 are arranged on the machine body 1 corresponding to the two connecting plates 33, each fixing rod 34 axially penetrates through the through hole 35 corresponding to the corresponding connecting plate 33, and an annular second friction disc, the left end face and the right end face of the second friction disc body 36 are respectively provided with a plurality of friction plates 32, the peripheral edge of the second friction disc body 36 is fixedly connected with two connecting plates 37 which are symmetrically distributed along the radial direction, the connecting plates 37 are provided with through holes 35, the flywheel 16 is provided with two parallel clutch pins 38 corresponding to the two connecting plates 37, and the clutch pins 38 axially penetrate through the through holes 35 corresponding to the connecting plates 37; an annular spring seat 39 is fixedly connected to the joint disk 28, a plurality of springs are uniformly distributed on the spring seat 39 along the circumferential direction, and the other ends of the springs elastically abut against the piston 29 a. The detection tool comprises a support 40 fixed on the outer side of the machine body 1, a vertical tool plate I41 is fixedly connected to the support 40, a temperature sensor II 43 is arranged on the tool plate I41, the temperature sensor II 43 is an online infrared thermometer, at least one horizontal tool plate II 42 is fixedly connected to the tool plate I41, the displacement sensor 19 is installed on the tool plate II 42, and the displacement sensor 19 is an eddy current displacement sensor 19. The two tool plates 42 are arranged two, the two tool plates 42 are arranged on the left side and the right side of the first tool plate 41 respectively, the two tool plates 42 are provided with the displacement sensors 19, the right displacement sensor 19 is arranged corresponding to the first connecting plate 33, and the left displacement sensor 19 is arranged corresponding to the second connecting plate 37.
When the stamping machine works, the rotary driving mechanism is a motor, the motor drives the flywheel 16 to rotate through a belt, the flywheel 16 drives the pinion 15a on the gear shaft 15 to rotate, the pinion 15a drives the large gears 14 to rotate, the two large gears 14 are meshed with each other, the two crankshafts 5 rotate simultaneously, the crankshafts 5 drive the connecting rods 10 to swing, the two connecting rods 10 drive the sliding block 2 to move up and down, and an upper die on the sliding block 2 is matched with a lower die of the machine body 1 to complete stamping. The invention has the advantages that: the first temperature sensor 4 monitors the temperature of the guide assemblies 3 at the four corners of the slide block 2; the second temperature sensor 8, the third temperature sensor 9 and the fourth temperature sensor 13 respectively monitor the temperature of the bearings 22 on the front and rear main journals of the crankshaft 5 and the temperature of the bearing bushes on the connecting rod journals of the crankshaft 5, the fifth temperature sensor 17 detects the temperature of the flywheel bearings, the oil quality sensor 18 can monitor the quality of lubricating oil in the oil tank 1a of the machine body 1, and the sixth temperature sensor 43 and the displacement sensor 19 on the detection tool monitor the abrasion loss and the temperature of the clutch brake device; when the piston 29a of the cylinder 29 presses the friction plate 32 of the second friction disc body 36, the friction plate 32 at the other end of the second friction disc body 36 is tightly attached to the joint disc 28, the flywheel 16 and the second friction disc body 36 rotate simultaneously, the first friction disc body 31 is spaced from the piston 29a and the brake disc 30, and the first friction disc body 31 is hung on the fixed rod 34 through the first connecting plate 33, and at the moment, the clutch state is achieved; when the piston 29a of the cylinder 29 presses the friction plate 32 of the first friction disc body 31 to be attached to the brake disc 30, the piston 29a is separated from the friction plate 32 of the second friction disc body 36, the first connecting plate 33 of the first friction disc body 31 is fixed with the machine body 1 through the fixing rod 34, the brake disc 30 realizes braking, and the gear shaft 15 brakes at this time, namely, the braking state is realized; the two displacement sensors 19 respectively detect the displacement difference between the first connecting plate 33 and the second connecting plate 37 and the initial position, and the wear amounts of the friction plates 32 of the first friction disc 31 and the second friction disc 36 are obtained. The invention can measure the temperature rise of the kinematic pair of the press, monitor the quality of lubricating oil and monitor the state of the clutch brake, thereby realizing the intelligent detection and control of the press during working.
The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.
Claims (9)
1. An intelligent detection control press machine comprises a press body and is characterized in that a slide block capable of sliding up and down is arranged on the press body, the section of the slide block is rectangular, four groups of guide assemblies are vertically arranged on the press body corresponding to four edges of the slide block, each guide assembly is arranged corresponding to each corner of the slide block one by one, each guide assembly comprises a first guide rail and a second guide rail which are perpendicular to each other, the first guide rail and the second guide rail are respectively arranged corresponding to two adjacent planes of the corresponding edges of the slide block, each group of guide assemblies is provided with at least one first temperature sensor, two crankshafts which are parallel to each other are rotatably arranged on the press body corresponding to the slide block, a crankshaft line is longitudinally arranged, a front bearing seat and a rear bearing seat are respectively arranged on the press body corresponding to front and rear main journals of each crankshaft, the front and rear main journals of each crankshaft are respectively connected on the, a second temperature sensor is arranged on the front bearing seat, a third temperature sensor is arranged on the rear bearing seat, a connecting rod is hinged to a connecting rod journal of the crankshaft, the lower end of the connecting rod is hinged to the sliding block, and a fourth temperature sensor is arranged on the connecting rod; the rear end of each crankshaft is sleeved with a large gear, the two large gears are meshed and connected with each other, a gear shaft is rotatably arranged on the machine body corresponding to the large gears and parallel to the crankshaft, a small gear is sleeved at one end of the gear shaft positioned in the machine body and meshed and connected with the corresponding large gear, a flywheel in transmission connection with a rotary driving mechanism is arranged on a shaft body of the gear shaft positioned outside the machine body, and at least two temperature sensors are arranged on the flywheel; an oil quality sensor for detecting oil in the oil tank is arranged on the outer side of the machine body; the end part of the gear shaft is provided with a clutch brake device corresponding to the flywheel, the outer side of the machine body is provided with a detection tool corresponding to the clutch brake device, and the detection tool is provided with a temperature sensor six and a displacement sensor.
2. The intelligent detection and control press machine as claimed in claim 1, wherein the first guide rail of the guide assembly on the front side is an integral guide rail plate, the second guide rail of the guide assembly on the front side comprises two split guide rail plates which are correspondingly arranged up and down, the first guide rail and the second guide rail of the guide assembly on the rear side both comprise two split guide rail plates which are correspondingly arranged up and down, the integral guide rail plate and the split guide rail plates are both provided with lubricating oil channels in contact with the slide block, each lubricating oil channel comprises a plurality of horizontal oil channels which are sequentially arranged at equal intervals from top to bottom, a connecting oil channel is obliquely arranged between any two adjacent horizontal oil channels, and each guide assembly is fixedly mounted on the press body through a corresponding guide rail mounting plate.
3. The intelligent detection and control press machine as claimed in claim 2, wherein the first temperature sensor is a screw thread installation type platinum thermal resistor, the depth of the screw thread installation type thermal resistor inserted into the first guide rail or the second guide rail from the side is 0.3-0.5 of the width of the corresponding guide rail, the first temperature sensor is installed on the two guide rails positioned on the front side of the slide block, the two guide rails positioned on the rear side of the slide block and the two guide rails positioned on the rear side of the right side of the slide block, and the first temperature sensor is connected with the temperature input module of the PLC in a wired transmission mode.
4. An intelligent test control press according to any one of claims 1-3, it is characterized in that the second temperature sensor, the third temperature sensor and the fourth temperature sensor are all end-face platinum thermal resistors, the second temperature sensor is vertically arranged at the lower part of the front bearing seat and is contacted with a bearing in the front bearing seat, the rear bearing seat is integrally arranged on the machine body, the third temperature sensor is vertically arranged at the upper part of the rear bearing seat and is contacted with the bearing in the rear bearing seat, the connecting rod comprises a connecting rod cover positioned above the crankshaft connecting rod journal and a connecting rod body positioned below the crankshaft connecting rod journal, an upper bearing bush and a lower bearing bush are sleeved on the periphery of the crankshaft connecting rod journal, a temperature sensor IV is vertically arranged on the upper portion of the connecting rod cover and is in contact with the upper bearing bush, and the end-face type platinum thermistor is connected with a temperature input module of the PLC in a three-wire system or four-wire system wired transmission mode.
5. An intelligent detection and control press as claimed in any one of claims 1-3, wherein the gear shaft is sleeved with an unloading sleeve, an unloading sleeve bearing is arranged between the inner wall of a sleeve hole of the unloading sleeve and the periphery of the gear shaft, the flywheel is sleeved on the unloading sleeve through a central hole, a flywheel bearing is arranged between the inner wall of the central hole of the flywheel and the outer wall of the unloading sleeve, the temperature sensor five is an end-face type platinum thermistor, two temperature sensors five are arranged on the flywheel, the temperature sensors five are correspondingly distributed on the upper part and the lower part, the two temperature sensors five are respectively close to the front end and the rear end of the flywheel, the two temperature sensors five are obliquely embedded in the flywheel and are in contact with the flywheel bearing, the temperature sensor five in contact with the unloading sleeve bearing is also obliquely embedded in the unloading sleeve, and two temperature collectors are correspondingly arranged on the, each temperature collector is connected with a corresponding temperature sensor five on the flywheel through a three-wire connection method, the temperature collectors are wirelessly connected with a signal concentrator, and the signal concentrator is connected with a temperature input module of the PLC.
6. The intelligent detection and control press machine as claimed in any one of claims 1-3, wherein the large gear and the small gear are both located in an oil tank of the press body, the oil quality sensor is vertically mounted on the side surface of the oil tank through pipe threads, and the oil quality sensor is located at the lubricating oil depth of 1/3-1/2.
7. An intelligent detection and control press as claimed in any one of claims 1-3, wherein the clutch brake device comprises a joint plate fixedly sleeved on the gear shaft, an annular cylinder sleeved on the gear shaft and corresponding to the joint plate, the gear shaft passing through a central hole of an annular piston of the cylinder, a brake disc disposed on an annular end surface of the cylinder and corresponding to the piston, an annular first friction disc disposed between the annular brake disc and the piston, a plurality of friction plates disposed on both left and right end surfaces of the first friction disc, two first connecting plates radially and symmetrically disposed and fixedly connected to an outer peripheral edge of the first friction disc, a through hole disposed on the first connecting plate, two parallel fixing rods disposed on the press body and corresponding to the first connecting plates, the fixing rods axially passing through the through holes corresponding to the first connecting plates, and an annular second friction disc disposed between the piston and the joint plate, the left end face and the right end face of the second friction disc body are respectively provided with a plurality of friction plates, the peripheral edge of the second friction disc body is fixedly connected with two connecting plates II which are symmetrically distributed along the radial direction, through holes are formed in the connecting plates II, two parallel clutch pins are arranged on the flywheel corresponding to the two connecting plates II, and the clutch pins axially penetrate through the through holes corresponding to the connecting plates II; the joint disc is fixedly connected with an annular spring seat, a plurality of springs are uniformly distributed on the spring seat along the circumferential direction, and the other ends of the springs elastically abut against the piston.
8. The intelligent detection control press machine as claimed in claim 7, wherein the detection tool comprises a support fixed on the outer side of the press body, a first vertical tool plate is fixedly connected to the support, a sixth temperature sensor is arranged on the first tool plate, the sixth temperature sensor is an online infrared thermometer, at least one second horizontal tool plate is fixedly connected to the first tool plate, a displacement sensor is mounted on the second tool plate, and the displacement sensor is an eddy current displacement sensor.
9. The intelligent detection and control press machine as claimed in claim 8, wherein the two tooling plates are arranged at the left and right sides of the first tooling plate, respectively, displacement sensors are arranged on the two tooling plates, the right displacement sensor is arranged corresponding to the first connecting plate, and the left displacement sensor is arranged corresponding to the second connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010460289.0A CN111634043A (en) | 2020-05-27 | 2020-05-27 | Intelligent detection control press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010460289.0A CN111634043A (en) | 2020-05-27 | 2020-05-27 | Intelligent detection control press |
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| CN111634043A true CN111634043A (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010460289.0A Pending CN111634043A (en) | 2020-05-27 | 2020-05-27 | Intelligent detection control press |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113133720A (en) * | 2021-04-28 | 2021-07-20 | 苏州高之仙自动化科技有限公司 | Axle and cleaning machines people |
| CN113405694A (en) * | 2021-08-20 | 2021-09-17 | 盛瑞传动股份有限公司 | Method for testing temperature of clutch friction plate in complete state of transmission |
-
2020
- 2020-05-27 CN CN202010460289.0A patent/CN111634043A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113133720A (en) * | 2021-04-28 | 2021-07-20 | 苏州高之仙自动化科技有限公司 | Axle and cleaning machines people |
| CN113405694A (en) * | 2021-08-20 | 2021-09-17 | 盛瑞传动股份有限公司 | Method for testing temperature of clutch friction plate in complete state of transmission |
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