CN111595678B - Electric push rod aging testing machine and method - Google Patents
Electric push rod aging testing machine and method Download PDFInfo
- Publication number
- CN111595678B CN111595678B CN202010526562.5A CN202010526562A CN111595678B CN 111595678 B CN111595678 B CN 111595678B CN 202010526562 A CN202010526562 A CN 202010526562A CN 111595678 B CN111595678 B CN 111595678B
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- electric push
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- 230000032683 aging Effects 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000012360 testing method Methods 0.000 title claims description 60
- 230000008569 process Effects 0.000 claims abstract description 18
- 238000003825 pressing Methods 0.000 claims abstract description 8
- 238000005452 bending Methods 0.000 claims description 20
- 238000009864 tensile test Methods 0.000 claims description 18
- 238000007599 discharging Methods 0.000 claims description 17
- 230000007306 turnover Effects 0.000 claims description 17
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 238000009863 impact test Methods 0.000 claims description 10
- 210000000078 claw Anatomy 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000003993 interaction Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/26—Investigating twisting or coiling properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0044—Pneumatic means
Abstract
The invention relates to an electric push rod aging tester and a method, comprising a process conveyor belt with an aging station, on which a conveying mould is conveyed; the conveying mould is provided with a plurality of longitudinal positioning blocks so as to position the electric pushing rod piece, and the conveying mould is provided with an auxiliary pressing head for pushing the electric pushing rod piece to the corresponding longitudinal positioning blocks; the conveying mould is provided with a V-shaped bracket for supporting the outer side wall of the push rod of the electric push rod piece; the invention has reasonable design, compact structure and convenient use.
Description
Technical Field
The invention relates to an electric push rod aging tester and a method.
Background
At present, the detection of the electric push rod adopts a lever bracket to simulate the actual use condition, and detects various parameters of the electric push rod, so that the degree of automation is low, and multi-station continuous work cannot be realized. In addition, this detection means has the following drawbacks: the load force is not constant. Because the lever rotates around the fulcrum, under the same load, the load applied to the electric push rod also changes along with the different angles of the lever. The data collection by the test personnel is difficult. The testers randomly (regularly) collect data, and the accuracy and the continuity of the data are quite poor; data acquisition and inaccuracy thereof. Therefore, the electric push rod can only detect with high probability for a long time. The test personnel are troublesome to operate. The electric push rods with different strokes are tested, the counterweights are required to be calculated on site, and various counterweights are additionally arranged in a carrying manner, various tools are fixed, and the like, so that the electric push rods are very complicated. The data detection types are limited, and only voltage, current and load can be detected at present.
Disclosure of Invention
The invention aims to provide an electric push rod aging testing machine and an electric push rod aging testing method.
In order to solve the problems, the invention adopts the following technical scheme:
an electric push rod aging tester comprises a working procedure conveyor belt with an aging station, wherein a conveying mould is conveyed on the working procedure conveyor belt; the conveying mould is provided with a plurality of longitudinal positioning blocks so as to position the electric pushing rod piece, and the conveying mould is provided with an auxiliary pressing head for pushing the electric pushing rod piece to the corresponding longitudinal positioning blocks; the conveying mould is provided with a V-shaped bracket for supporting the outer side wall of the push rod of the electric push rod piece;
the conveying mould is provided with a process opening which is penetrated up and down, the aging station is provided with an upper jacking hand which upwards penetrates through the process opening to push the electric push rod piece out of the conveying mould, and the aging station is provided with a clamping manipulator which downwards presses the upper surface of the conveying mould;
the upper part of the clamping manipulator is provided with a discharging support hand for supporting the electric pushing rod piece output by the upper support hand, and the upper part of the discharging support hand is provided with an installation lower pressing head for positioning the electric pushing rod piece on the conveying mould by downward movement.
As a further improvement of the above technical scheme:
a turnover tray is arranged at one lateral output side of the discharging support hand, a placing channel for accommodating the discharging support hand is arranged on the upper surface of the turnover tray, and an L-shaped pushing rod for pushing and fixing the electric pushing rod piece on the turnover tray is arranged on the upper surface of the turnover tray; the turnover tray changes the electric push rod piece from a horizontal state to a vertical state.
A rotary center frame is arranged at the output side of the turnover tray;
the rotary center frame is sequentially provided with an inlet and outlet station, a cold and hot impact test station, a wet and hot aging test station, a vibration test station, a tensile test station and a bending and twisting test station; the upper traction rod is arranged on the rotary center frame in a lifting manner;
an upper traction rod and a lower traction rod are distributed on the rotary center frame, and the upper traction rod and the lower traction rod have the same structure;
the lower traction rod comprises a radial telescopic rod which stretches radially, a radial clamping claw meshed with the end part of the electric push rod piece is arranged at the end part of the radial telescopic rod, and a transverse bolt which is used for being inserted into a corresponding connecting hole of the electric push rod piece is arranged on the radial clamping claw in a telescopic manner;
a tightening head is arranged above and/or below at least one station and used for tightening the corresponding central hole of the electric push rod piece;
the upper traction rod and the lower traction rod extend to the upper end and the lower end of the overturning tray in a vertical state, and the transverse bolts of the upper traction rod and the lower traction rod are inserted into corresponding connecting holes of the electric push rod piece;
the cold and hot impact testing station is provided with a heater and a desuperheater, and is used for carrying out cold and hot alternate impact on the electric push rod piece and detecting the performance parameters of the electric push rod piece after the cold and hot impact;
the wet heat aging test station is provided with a humidifier and a heater, and is used for detecting performance parameters of the electric pushing rod piece after wet heat;
the vibration testing station is provided with a traction device and a vibrator and is used for testing the fatigue strength of the electric pushing rod piece in a traction state;
the tensile test station is provided with a traction device and is used for carrying out pull rope test on the electric push rod piece;
and the bending and twisting test station is provided with a bending and twisting device and is used for testing the bending strength and the torque of the electric push rod piece.
At the tensile test station, a cylinder of the traction device is connected with a gas storage tank, and the gas storage tank is conveyed to the cylinder through a proportional valve; the cylinder is matched with a grating ruler slider, the grating is arranged on the tensile test station, and the cylinder drives the grating ruler slider to reciprocate up and down.
The tensile testing station is provided with a frame upright post, the bottom of the frame upright post is provided with a force-receiving sensor seat plate provided with a pressure or tension sensor, the frame upright post is provided with a gas storage tank, the gas storage tank is vertically connected with a gas cylinder and is connected with the gas storage tank, the lower end of the gas cylinder is connected with a gas cylinder joint block, the lower end of the gas cylinder joint block is connected with a workpiece locking upper block, a workpiece locking lower block is arranged below the workpiece locking upper block, and the workpiece locking upper block and the workpiece locking lower block are used for bearing and being sent into an electric pushing rod piece and pulling the upper end and the lower end of the electric pushing rod piece;
a weighing sensor is arranged between the workpiece locking lower block and the sliding block connecting plate;
a linear guide rail is vertically arranged on the upright post of the frame,
a slide block connecting plate which is lifted on the linear guide rail is arranged on the force-receiving sensor seat plate,
a guide rail sliding block which is lifted on the linear guide rail is arranged on the cylinder connecting block;
a crank is arranged on the upright post of the frame, and the crank drives the force-receiving sensor seat plate to lift through a screw rod lifter;
a protective door is arranged on the upright post of the frame; and the bottom of the frame upright post is provided with a support Ma Lun.
The invention has a control unit, which comprises a control power switch, wherein the transformer is electrically connected with the mains supply;
the main screen is used for displaying the monitoring data and realizing man-machine interaction;
the voltmeter is used for displaying and recording the voltage of the electric push rod piece on the main screen in real time;
the ammeter is used for displaying and recording the current of the electric push rod on the main screen in real time;
the push-pull force meter is connected with the traction device and is used for reacting in real time through a screen and recording the load force;
the displacement speedometer is matched with the grating ruler and is used for detecting the displacement of the electric push rod piece in unit time in real time, converting the output speed of the electric push rod by the PLC controller, and displaying and recording on the main screen in real time;
the thermocouple is used for detecting the temperature of the electric pushing rod piece in real time, and displaying and recording the temperature on the main screen in real time;
the electronic counter is used for recording the running times of the electric push rod piece and displaying the running times on the main screen in real time;
the PLC is interacted with the PC end and executes instructions of the lower end of the PC end;
the relay group module receives the command of the PLC controller and executes the switch on-off command;
the LED lamp comprises red, yellow and green warning lamps and a ground wire warning lamp;
and the PC end is pre-stored with an execution program, receives the data fed back by each table, and transmits an execution command to the PLC after calculation.
An electric push rod aging test method is provided, by means of an electric push rod aging test machine; comprises the following steps of;
firstly, placing an electric pushing rod piece on a conveying mould, and enabling the electric pushing rod piece to pass through a V-shaped bracket and a longitudinal positioning block; then, clamping is realized through an auxiliary pressure head; secondly, the procedure conveyor belt supports the electric push rod piece to an aging station;
step two, firstly, clamping a mechanical arm to fix a conveying mould on a process conveyor belt; then, the upper jacking rod is lifted to pass through the process opening, and the electric push rod piece is ejected out of the conveying mould; secondly, the discharging support hand receives the electric pushing rod piece output by the upper jacking hand and transversely outputs the electric pushing rod piece to the overturning tray; thirdly, the discharging handle bypasses the L-shaped pushing rod to enter the placing channel;
step three, firstly, a discharging support hand receives and clamps an electric pushing rod piece; then, the overturning tray is horizontally overturned to be in a vertical state;
step four, the rotary center frame rotates to realize the connection between the stations; firstly, entering and exiting a station, extending the radial telescopic rod to an electric push rod piece in a vertical state, and inserting a transverse bolt into a corresponding connecting hole of the electric push rod piece; then, the cold and hot impact testing station performs cold and hot alternate impact on the electric push rod piece through the heater and the desuperheater, and detects performance parameters of the electric push rod piece after the cold and hot impact; secondly, the wet heat aging test station detects performance parameters of the electric pushing rod piece after wet heat through a humidifier and a heater; thirdly, the vibration testing station tests the fatigue strength of the electric pushing rod piece in the traction state through the traction device and the vibrator; later, the tensile test station tests the electric push rod piece through a traction device; then, the bending and twisting test station tests the bending strength and torque of the electric push rod piece through a bending and twisting device;
in the corresponding station in the step four, firstly, a voltmeter displays the voltage of the electric push rod piece on a main screen in real time and records, an ammeter displays the current of the electric push rod piece on the main screen in real time and records, a push-pull force meter reacts and records the load force of a traction device through a screen in real time, a displacement speed meter and a matched grating ruler, the displacement amount of the electric push rod piece in unit time is detected in real time, the output speed of the electric push rod is converted through a PLC (programmable logic controller), the electric push rod piece is displayed and recorded on the main screen in real time, a thermocouple detects the temperature of the electric push rod piece in real time, the electric push rod piece is displayed and recorded on the main screen in real time, and an electronic counter records the running times of the electric push rod piece and displays the electric push rod piece on the main screen in real time; then, the PC receives the data fed back by each table, and after calculation, an execution command is transmitted to the PLC; and secondly, the PLC controls the corresponding components to execute actions through the relay group module.
The invention has reasonable design, low cost, firmness, durability, safety, reliability, simple operation, time and labor saving, fund saving, compact structure and convenient use.
Drawings
Fig. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic view of a partial structure 1 of the present invention.
Fig. 3 is a partial schematic view of the present invention 2.
Fig. 4 is a schematic circuit diagram of the present invention.
Fig. 5 is a schematic diagram of the circuit principle structure 1 of the present invention.
Fig. 6 is a schematic diagram of the circuit principle structure of the present invention 2.
Fig. 7 is a button control diagram of the present invention.
Fig. 8 is a structural diagram of an embodiment of the present invention.
Wherein: 1. an electric pushing rod piece; 2. a process conveyor belt; 3. a clamping manipulator; 4. conveying the mould; 5. a process opening; 6. a jacking hand is arranged on the upper support; 7. a longitudinal positioning block; 8. an auxiliary pressure head; 9. a V-shaped bracket; 10. a discharging support hand; 11. overturning the tray; 12. placing a channel; 13. the L-shaped pushing rod is pressed down; 14. rotating the center frame; 15. a business turn over station; 16. a cold and hot impact test station; 17. a wet heat aging test station; 18. a vibration testing station; 19. a tensile testing station; 20. a bending and twisting test station; 21. a radial telescopic rod; 22. radial clamping claws; 23. a transverse bolt; 24. an upper pull rod; 25. tightly pushing the head; 26. a frame upright; 27. a force-receiving sensor seat plate; 28. a cylinder joint block; 29. locking the upper block by the workpiece; 30. locking the lower block by the workpiece; 31. a protective door; 32. a slider coupling plate; 33. a crank; 34. a weighing sensor; 35. a fuma wheel; 36. a screw elevator; 37. a linear guide rail; 38. a guide rail slide block; 39. a cylinder; 40. and a gas storage tank.
Detailed Description
As shown in fig. 1 to 8, the electric push rod aging tester of the present embodiment includes a process conveyor belt 2 having an aging station on which a transport jig 4 is transported; a plurality of longitudinal positioning blocks 7 are arranged on the conveying mould 4 so as to position the electric pushing rod piece 1, and an auxiliary pressing head 8 is arranged on the conveying mould 4 and is used for pushing the electric pushing rod piece 1 to the corresponding longitudinal positioning blocks 7; the conveying mould 4 is provided with a V-shaped bracket 9 for supporting the outer side wall of the push rod of the electric push rod piece 1;
the conveying mould 4 is provided with a process opening 5 which is penetrated up and down, the ageing station is provided with an upper jacking hand 6 which upwards penetrates through the process opening 5 to push the electric pushing rod piece 1 out of the conveying mould 4, and the ageing station is provided with a clamping manipulator 3 which downwards presses the upper surface of the conveying mould 4;
a discharging supporting hand 10 for supporting the electric pushing rod piece 1 output by the upper jacking hand 6 is arranged above the clamping manipulator 3, and an installation lower pressing head for positioning the electric pushing rod piece 1 onto the conveying mould 4 by downward movement is arranged above the discharging supporting hand 10.
A turnover tray 11 is arranged at one lateral output side of the discharge tray 10, a placement channel 12 for accommodating the discharge tray 10 is arranged on the upper surface of the turnover tray 11, and an L-shaped push rod 13 for pressing and fixing the electric push rod piece 1 on the turnover tray 11 is arranged on the upper surface of the turnover tray 11; the turning tray 11 changes the electric push rod member 1 from the horizontal state to the vertical state.
A rotating center frame 14 is arranged on the output side of the turnover tray 11;
the rotary center frame 14 is sequentially provided with an inlet and outlet station 15, a cold and hot impact test station 16, a wet and hot aging test station 17, a vibration test station 18, a tensile test station 19 and a bending test station 20; the upper traction rod 24 is arranged on the rotary center frame 14 in a lifting manner;
the upper traction rod 24 and the lower traction rod are distributed on the rotary center frame 14 and have the same structure;
the lower traction rod comprises a radial telescopic rod 21 which stretches radially, a radial clamping claw 22 meshed with the end part of the electric push rod piece 1 is arranged at the end part of the radial telescopic rod 21, and a transverse plug pin 23 used for being inserted into a corresponding connecting hole of the electric push rod piece 1 is arranged on the radial clamping claw 22 in a telescopic manner;
a tightening head 25 is arranged above and/or below at least one station and is used for tightening the corresponding central hole of the electric push rod piece 1;
in and out of the station 15, the upper traction rod 24 and the lower traction rod extend out to the upper end and the lower end of the overturning tray 11 in the vertical state, and the transverse bolt 23 of the upper traction rod and the lower traction rod are inserted into corresponding connecting holes of the electric push rod piece 1;
a cold-hot impact test station 16, which is provided with a heater and a desuperheater, and is used for carrying out cold-hot alternate impact on the electric push rod piece 1 and detecting the performance parameters of the electric push rod piece 1 after the cold-hot impact;
a humid heat aging test station 17 provided with a humidifier and a heater, wherein the electric push rod piece 1 is used for detecting the performance parameters of the humid heat rear electric push rod piece 1;
a vibration test station 18 having a retractor and a vibrator for testing the fatigue strength of the electric push rod member 1 in a pulled state of the electric push rod member 1;
a tensile testing station 19 with a retractor for carrying out a pull-cord test on the electric push rod piece 1;
the bending test station 20 is provided with a bending device and is used for testing the bending strength and the torque of the electric pushing rod piece 1.
At the tensile test station 19, the air cylinder of the traction device is connected with an air storage tank, and the air storage tank is conveyed to the air cylinder through a proportional valve; the cylinder is matched with a grating ruler slider, a grating is arranged on the tensile test station 19, and the cylinder drives the grating ruler slider to reciprocate up and down.
Specifically, in the tensile test station 19, a frame upright post 26 is used as a bracket, a force-receiving sensor seat plate 27 provided with a pressure or tension sensor is arranged at the bottom of the frame upright post 26 so as to realize traction, a gas storage tank 40 is arranged on the frame upright post 26 so as to realize stable gas supply, the gas storage tank 40 is vertically connected with a gas cylinder 39 and is connected with the gas storage tank 40, the lower end of the gas cylinder 39 is connected with a gas cylinder joint block 28 so as to realize lifting control, the lower end of the gas cylinder joint block 28 is connected with a workpiece locking upper block 29, a workpiece locking lower block 30 is arranged below the workpiece locking upper block 29, and the workpiece locking upper block 29 and the workpiece locking lower block 30 are used for carrying the electric push rod piece 1 and dragging the upper end and the lower end of the electric push rod piece 1; thereby realizing the pulling through the bolt.
Preferably, a load cell 34 is provided between the workpiece locking lower block 30 and the slider tie plate 32;
a linear guide rail 37 is vertically arranged on the frame upright 26 to play a guiding role.
The load cell seat plate 27 is provided with a slider coupling plate 32 that is lifted and lowered on a linear guide 37,
a rail slider 38 that moves up and down on a linear rail 37 is provided on the cylinder joint block 28;
a crank 33 is arranged on the frame upright post 26, and the crank 33 drives the force-receiving sensor seat plate 27 to lift through a screw rod lifter 36; realize the guiding function from top to bottom.
A protective door 31 is provided on the frame upright 26; the bottom of the frame upright 26 is provided with a fuma wheel 35 for convenient movement.
The invention has a control unit, which comprises a control power switch, wherein the transformer is electrically connected with the mains supply;
the main screen is used for displaying the monitoring data and realizing man-machine interaction;
the voltmeter is used for displaying and recording the voltage of the electric pushing rod piece 1 on the main screen in real time;
the ammeter is used for displaying and recording the current of the electric push rod on the main screen in real time;
the push-pull force meter is connected with the traction device and is used for reacting in real time through a screen and recording the load force;
the displacement speedometer is matched with the grating ruler and is used for detecting the displacement of the electric push rod piece 1 in unit time in real time, converting the output speed of the electric push rod by the PLC controller and displaying and recording on the main screen in real time;
the thermocouple is used for detecting the temperature of the electric pushing rod piece 1 in real time, and displaying and recording the temperature on the main screen in real time;
the electronic counter is used for recording the running times of the electric pushing rod piece 1 and displaying the running times on the main screen in real time;
the PLC is interacted with the PC end and executes instructions of the lower end of the PC end;
the relay group module receives the command of the PLC controller and executes the switch on-off command;
the LED lamp comprises red, yellow and green warning lamps and a ground wire warning lamp;
and the PC end is pre-stored with an execution program, receives the data fed back by each table, and transmits an execution command to the PLC after calculation.
According to the electric push rod aging test method, an electric push rod aging test machine is used; comprises the following steps of;
firstly, placing an electric pushing rod piece 1 on a conveying mould 4, and connecting the electric pushing rod piece with a longitudinal positioning block 7 through a V-shaped bracket 9; then, clamping is realized through an auxiliary pressure head 8; secondly, the procedure conveyor belt 2 carries the electric pushing rod piece 1 to an aging station;
step two, firstly, a clamping manipulator 3 fixes a conveying mould 4 on a process conveyor belt 2; then, the upper jacking hand 6 ascends through the process opening 5, and the electric pushing rod piece 1 is ejected out of the conveying mould 4; secondly, the discharging support hand 10 receives the electric pushing rod piece 1 output by the upper jacking hand 6 and transversely outputs the electric pushing rod piece to the overturning tray 11; thirdly, the discharging hand support 10 bypasses the L-shaped pushing rod 13 to enter the placing channel 12;
step three, firstly, a discharging bracket 10 receives and clamps the electric pushing rod piece 1; then, the overturning tray 11 is horizontally overturned to be in a vertical state;
step four, the rotary center frame 14 rotates to realize the connection between the stations; firstly, entering and exiting the station 15, extending the radial telescopic rod 21 to the electric push rod piece 1 in a vertical state, and inserting the transverse bolt 23 into a corresponding connecting hole of the electric push rod piece 1; then, the cold-hot impact test station 16 performs cold-hot alternate impact on the electric push rod piece 1 through a heater and a desuperheater and detects performance parameters of the electric push rod piece 1 after the cold-hot impact; secondly, a wet heat aging test station 17 detects performance parameters of the electric push rod piece 1 after the wet heat of the electric push rod piece 1 through a humidifier and a heater; thirdly, a vibration test station 18 tests the fatigue strength of the electric push rod piece 1 in the pulling state by using the pulling device and the vibrator; later, the tensile test station 19 performs a pull rope test on the electric push rod piece 1 through a traction device; then, the bending and twisting test station 20 tests the bending strength and torque of the electric push rod piece 1 through a bending and twisting device;
in the corresponding station in the step four, firstly, displaying the voltage of the electric push rod piece 1 on a main screen in real time by a voltmeter, displaying the current of the electric push rod piece 1 on the main screen in real time, recording the current of the electric push rod piece, pushing and pulling the voltmeter, reacting and recording the load force of a traction device through a screen in real time, a displacement speed meter, a matched grating ruler, detecting the displacement amount of the electric push rod piece 1 in unit time in real time, converting the output speed of the electric push rod by a PLC (programmable logic controller), displaying and recording the output speed of the electric push rod piece in real time on the main screen, detecting the temperature of the electric push rod piece 1 by a thermocouple in real time, displaying and recording the temperature of the electric push rod piece 1 on the main screen in real time, recording the running times of the electric push rod piece 1 by an electronic counter, and displaying the running times of the electric push rod piece on the main screen in real time; then, the PC receives the data fed back by each table, and after calculation, an execution command is transmitted to the PLC; and secondly, the PLC controls the corresponding components to execute actions through the relay group module.
The invention realizes the test of the electric push rod piece 1, the process conveyor belt 2 realizes the connection of each process, the clamping manipulator 3 realizes the clamping of the conveying mould 4 on the conveyor belt, so that the process opening 5 takes out or resets the push rod through the upper jacking hand 6, the longitudinal positioning block 7 realizes the installation and positioning, the auxiliary pressure head 8 realizes the fixation, the V-shaped bracket 9 realizes the self-centering positioning of the push rod, the discharging jacking hand 10 realizes the transverse conveying, the overturning tray 11 realizes the change of the horizontal state of the push rod into the vertical state, the placing channel 12 serves as a process channel, the design is reasonable, the L-shaped push rod 13 is pressed down, the clamping of the push rod is realized through the rotating center frame 14, the connection of each station can be realized, the repeated test of one push rod can be realized, the single test can also be realized, the feeding and the discharging of the push rod, the cold and hot impact testing station 16, the wet and hot aging testing station 17, the vibration testing station 18, the stretching testing station 19, the bending testing station 20 realize the test of each state parameter, the expansion rod 21 realizes the expansion and the traction of each station, the radial clamping claw 22 realizes the lifting and the traction of the push rod through the transverse 23, the lifting and the jacking rod 24, and the centering head 25 is arranged.
The air storage tank provides the air source of stable pressure for the cylinder, and at this moment, the air source passes through the proportional valve and gives the cylinder, and the cylinder produces output pressure (pull) power, and through proportional valve adjustment, can be to the accurate control (size) of cylinder output force to control the pressure (pull) power to electric putter. The table to be attached is given below,
the present invention is fully described for more clarity of disclosure and is not set forth in the prior art.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced by equivalents; it is obvious to a person skilled in the art to combine several embodiments of the invention. Such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (2)
1. An electric putter aging testing machine, its characterized in that: comprises a working procedure conveyor belt (2) with an ageing station, on which a conveying mould (4) is conveyed; a plurality of longitudinal positioning blocks (7) are arranged on the conveying mould (4) so as to position the electric pushing rod piece (1), and an auxiliary pressing head (8) is arranged on the conveying mould (4) and is used for pushing the electric pushing rod piece (1) to the corresponding longitudinal positioning blocks (7); the conveying mould (4) is provided with a V-shaped bracket (9) for supporting the outer side wall of the push rod of the electric push rod piece (1);
the conveying mould (4) is provided with a process opening (5) which is penetrated up and down, the ageing station is provided with an upper jacking hand (6) which upwards penetrates through the process opening (5) to push the electric pushing rod piece (1) out of the conveying mould (4), and the ageing station is provided with a clamping manipulator (3) which downwards presses the upper surface of the conveying mould (4);
a discharging support hand (10) for supporting the electric pushing rod piece (1) output by the upper jacking hand (6) is arranged above the clamping manipulator (3), and a mounting lower pressing head for positioning the electric pushing rod piece (1) onto the conveying mould (4) by downward movement is arranged above the discharging support hand (10);
a turnover tray (11) is arranged at one side of the transverse output of the discharge tray (10), a placement channel (12) for accommodating the discharge tray (10) is arranged on the upper surface of the turnover tray (11), and an L-shaped push rod (13) for fixing the electric push rod piece (1) on the turnover tray (11) in a push manner is arranged on the upper surface of the turnover tray (11); the overturning tray (11) changes the electric pushing rod piece (1) from a horizontal state to a vertical state;
a rotary center frame (14) is arranged on the output side of the turnover tray (11);
an in-out station (15), a cold and hot impact test station (16), a wet and hot aging test station (17), a vibration test station (18), a tensile test station (19) and a bending test station (20) are sequentially distributed on the rotary center frame (14); the upper traction rod (24) is arranged on the rotary center frame (14) in a lifting manner;
an upper traction rod (24) and a lower traction rod are distributed on the rotary center frame (14) and have the same structure;
the lower traction rod comprises a radial telescopic rod (21) which stretches radially, a radial clamping claw (22) meshed with the end part of the electric pushing rod piece (1) is arranged at the end part of the radial telescopic rod (21), and a transverse bolt (23) which is used for being inserted into a corresponding connecting hole of the electric pushing rod piece (1) is arranged on the radial clamping claw (22) in a telescopic manner;
a tightening head (25) is arranged above and/or below at least one station and is used for tightening the corresponding central hole of the electric pushing rod piece (1);
the upper traction rod (24) and the lower traction rod extend out to the upper end and the lower end of the overturning tray (11) in a vertical state, and transverse bolts (23) of the upper traction rod and the lower traction rod are inserted into corresponding connecting holes of the electric push rod piece (1);
a cold-hot impact test station (16) provided with a heater and a desuperheater, which performs cold-hot alternate impact on the electric push rod piece (1) and detects the performance parameters of the electric push rod piece (1) after cold-hot impact;
the wet heat aging test station (17) is provided with a humidifier and a heater, and is used for detecting the performance parameters of the electric pushing rod piece (1) after the wet heat aging test station detects the electric pushing rod piece (1);
a vibration testing station (18) provided with a traction device and a vibrator, and used for testing the fatigue strength of the electric pushing rod piece (1) when the electric pushing rod piece (1) is in a traction state;
a tensile testing station (19) with a retractor for carrying out a pull rope test on the electric push rod piece (1);
the bending and twisting test station (20) is provided with a bending and twisting device and is used for testing the bending strength and the torque of the electric pushing rod piece (1);
in the tensile test station (19), a cylinder of the traction device is connected with a gas storage tank, and the gas storage tank is conveyed to the cylinder through a proportional valve; the cylinder is matched with a grating ruler slide block, a grating is arranged on a tensile test station (19), and the cylinder drives the grating ruler slide block to reciprocate up and down;
the tensile test station (19) is provided with a frame upright post (26), the bottom of the frame upright post (26) is provided with a force-receiving sensor seat plate (27) provided with a pressure or tension sensor, the frame upright post (26) is provided with a gas storage tank (40), the gas storage tank (40) is vertically connected with a gas cylinder (39) and is connected with the gas storage tank (40), the lower end of the gas cylinder (39) is connected with a gas cylinder joint block (28), the lower end of the gas cylinder joint block (28) is connected with a workpiece locking upper block (29), a workpiece locking lower block (30) is arranged below the workpiece locking upper block (29), and the workpiece locking upper block (29) and the workpiece locking lower block (30) are used for bearing upper ends and lower ends of an electric pushing rod piece (1) which are sent into the electric pushing rod piece (1) and pulled;
a linear guide rail (37) is vertically arranged on the frame upright post (26),
a slide block connecting plate (32) which is lifted on a linear guide rail (37) is arranged on the force-receiving sensor seat plate (27),
a guide rail sliding block (38) which is lifted on the linear guide rail (37) is arranged on the cylinder connecting block (28);
a crank (33) is arranged on the frame upright post (26), and the crank (33) drives the force-receiving sensor seat plate (27) to lift through a screw rod lifter (36);
a protective door (31) is arranged on the frame upright post (26); the bottom of the frame upright post (26) is provided with a fuma wheel (35).
2. The electric putter burn-in machine of claim 1, wherein: the control unit is used for controlling the power switch, and the transformer is electrically connected with the mains supply;
the main screen is used for displaying the monitoring data and realizing man-machine interaction;
the voltmeter is used for displaying and recording the voltage of the electric pushing rod piece (1) on the main screen in real time;
the ammeter is used for displaying and recording the current of the electric push rod on the main screen in real time;
the push-pull force meter is connected with the traction device and is used for reacting in real time through a screen and recording the load force;
the displacement speedometer is matched with the grating ruler and is used for detecting the displacement of the electric push rod piece (1) in unit time in real time, converting the output speed of the electric push rod by the PLC controller and displaying and recording the output speed on the main screen in real time;
the thermocouple is used for detecting the temperature of the electric pushing rod piece (1) in real time, displaying and recording the temperature on the main screen in real time;
the electronic counter is used for recording the running times of the electric pushing rod piece (1) and displaying the running times on the main screen in real time;
the PLC is interacted with the PC end and executes instructions of the lower end of the PC end;
the relay group module receives the command of the PLC controller and executes the switch on-off command;
the LED lamp comprises red, yellow and green warning lamps and a ground wire warning lamp;
and the PC end is pre-stored with an execution program, receives the data fed back by each table, and transmits an execution command to the PLC after calculation.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311068342.2A CN117091826A (en) | 2020-06-11 | 2020-06-11 | Rotation test assembly and flow of electric push rod |
| CN202010526562.5A CN111595678B (en) | 2020-06-11 | 2020-06-11 | Electric push rod aging testing machine and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010526562.5A CN111595678B (en) | 2020-06-11 | 2020-06-11 | Electric push rod aging testing machine and method |
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| CN202311068342.2A Division CN117091826A (en) | 2020-06-11 | 2020-06-11 | Rotation test assembly and flow of electric push rod |
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| CN111595678A CN111595678A (en) | 2020-08-28 |
| CN111595678B true CN111595678B (en) | 2023-09-22 |
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| CN202311068342.2A Pending CN117091826A (en) | 2020-06-11 | 2020-06-11 | Rotation test assembly and flow of electric push rod |
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| CN202311068342.2A Pending CN117091826A (en) | 2020-06-11 | 2020-06-11 | Rotation test assembly and flow of electric push rod |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111595678A (en) | 2020-08-28 |
| CN117091826A (en) | 2023-11-21 |
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