Mechanical press brake pads intelligent measuring and control device
The present invention relates to mechanical press technical fields, and in particular to mechanical press brake pads intelligent monitoring dress
As shown in Figure 1, existing machinery press machine transmission mechanism mainly includes clutch, flywheel, high speed gear shaft, centre
The components such as axis, herringbone bear, brake, chain, cam controller, eccentric gear, mandrel and connecting rod, wherein brake is mechanical
One of main component of press machine.
Currently, big machinery press machine generallys use the brake of friction block type in the market, this kind of brake passes through air pressure
Cooperate the on-off action of control brake with spring, and then realizes the connection and movement of entire transmission system.In real work, system
Dynamic device and clutch are controlled using pneumatic interlocking, and when starting the stroke of a press, electromagnetism bivalve and two-position three way magnetic valve are simultaneously
Movement, compressed air, which rapidly enters brake through electromagnetism bivalve, disengages brake disc, and then clutch ventilation, which combines, drives transmission
Mechanism operating；When the stroke of a press to be stopped, electromagnetism bivalve and solenoid valve are moved at the same time, clutch cylinder exhaust, frictional disk
It disengages under the action of the spring, power transmitting is cut off, flywheel idle running.Meanwhile the compressed air in stopper cylinder is double through electromagnetism
Valve final vacuum, brake disc are braked rapidly under the action of tripping spring, by secondary part, and sliding block is out of service.
It is well known that using the brake continued wear during the work time of friction block type, as brake pads is ground
Damage increases, and can generate a series of problems: first is that increasing as friction block is worn, needing the irregular inspection friction block of operator
Abrasion condition, and adjustment gasket is removed according to abrasion condition, and need to lay down brake when adjustment pad replacing, when adjustment gasket
New friction block is also needed to change after all removing, is accomplished manually since above-mentioned inspection more changes jobs to rely primarily on, once grasps
Author checks that not in time the abrasion loss of friction block is more than the thickness of adjustment gasket, will lead to mechanical press slipping of brake,
Keep sliding block stamping press insufficient, to influence product quality, waste product occurs, and slipping of brake rear slider is resetted and is also relatively stranded
It is difficult.Second is that the abrasion condition of friction block, because no quantitative, operator is often not easy grasp when replace friction block, it can only basis
Experience judges that this will increase the requirement of operator technical level, increase labor intensity, reduces production efficiency.Third is that conventional junction
Structure cam controller is connected between on axis, is stopped operating from clutch brake to final cam, the gear clearance of intermediate link,
The elastic equal appearance that can all cause error of chain, can not accurately react stop angle.The presence of above-mentioned technical problem restricts
Mechanical press is widely used to be promoted with product quality, and it is even more impossible to meet the intelligent measurement and control of mechanical press automatic production line
Summary of the invention:
The object of the invention is in order to make up for the deficiencies of the prior art, provide mechanical press brake pads intelligence
Can measure and control device, it have many advantages, such as it is reasonable in design it is unique, safe and reliable, operation is efficient, intelligent monitoring, improve machinery
Press machine operational efficiency and intelligent automation, improve product quality, realize mechanical press and automatic production line braking
The intelligent measurement and control of device friction block, solves problems of the prior art.
Used technical solution is the present invention to solve above-mentioned technical problem:
Mechanical press brake pads intelligent measuring and control device, including brake and high speed gear shaft, high speed gear shaft
One end is equipped with brake, and the other end is equipped with clutch, and the brake includes brake support base, brake seat, piston, braking
Device frictional disk, brake pads and braking platen, the brake seat are mounted on brake support base, and piston setting is being made
In the plunger shaft of dynamic device seat, brake friction disk is set on high speed gear shaft by swollen, and brake pads setting is being made
On dynamic device frictional disk, brake spring device is connected between brake seat and braking platen, the brake upper end is equipped with system
Dynamic device friction block abrasion loss detecting and controlling system, brake end face outside are equipped with brake drive shaft rotation angle detection control system
It unites, brake pads replacement alarm control system, the brake pads abrasion loss detection is additionally provided on the brake
Control system includes that the fixing seat of brake seat upper end is arranged in, and several adjustment gaskets are transversely provided in the fixing seat, described
Brake platen upper end is equipped with mounting bracket, and the mounting bracket is equipped with and adjustment gasket cooperation detection brake pads mill
Damage amount close to switch A, the jackscrew with piston cooperation is horizontally installed in the braking platen, described pass through close to switch A is led
Line is connect with PLC controller.
The adjustment gasket is U-shaped adjustment gasket, and U-shaped adjustment gasket is bolted in fixing seat, described close
The detecting distance of switch A is twice of U-shaped adjustment spacer thickness.
The brake spring device includes spring catch, and described spring catch one end passes through braking platen and is mounted on brake bottom
On seat, the other end is equipped with spacer sleeve, spring, spring washer and nut, and spring is arranged on spacer sleeve, and spacer sleeve and spring are set
It sets between braking platen and spring washer.
The spacing equal with U-shaped adjustment spacer thickness is equipped between the spacer sleeve and spring washer.
The brake drive shaft rotation angle detecting and controlling system includes the bracket being mounted in braking platen, the branch
Frame center is equipped with fixing sleeve, and connecting shaft is equipped in the fixing sleeve, and the one end of the connecting shaft is mounted on high speed gear shaft shaft end pressure
On disk, the other end is equipped with cam, and the cam is equipped with notch, and fixing sleeve outer end face is equipped with to be opened with the close of cam engagement
B is closed, the connecting shaft outboard end is connect by shaft coupling with rotary encoder, described logical close to switch B and rotary encoder
Conducting wire is crossed to connect with PLC controller respectively.
Bearing is installed, the connecting shaft between two bearings is equipped with positioning sleeve, connection between the connecting shaft and fixing sleeve
Axis is arranged in platen by pin.
The rotary encoder is fixed on fixing sleeve by encoder support.
The close switch B close to switch bracket by being fixed on fixing sleeve.
The rotary encoder is absolute value formula rotary encoder.
The brake pads replacement alarm control system includes the system that at least one piece of inside is equipped with signal generator
Dynamic device friction block and the signal receiver for receiving signal generator signal, the signal receiver are connect with PLC controller.
The signal generator is RFID chip, and the signal receiver is pulsed signal device.
The brake pads that two pieces of inside are equipped with RFID chip is symmetrically arranged on the brake friction disk.
RFID chip is arranged inside brake pads, and RFID chip connects to brake pads close to pulse signal
The distance for receiving device end face is greater than the thickness of U-shaped adjustment gasket.
The pulsed signal device is arranged on brake seat.
The present invention using the above scheme, after the abrasion of existing brake pads, devises machine
Tool press brake friction block intelligent measuring and control device, by designing brake pads mill on mechanical press transmission mechanism
Damage amount detecting and controlling system, brake drive shaft rotation angle detecting and controlling system and brake pads replace controlling alarm system
System, can accurately and timely Automatic Detection and Control brake pads abrasion condition, and carried out removing U-shaped adjustment according to the degree of wear
Gasket or the maintenance for replacing brake pads, and sliding block is answered automatically according to absolute value formula rotary encoder data
Position.Overall construction design is unique, securely and reliably, efficiently, to brake pads wears progress intelligent monitoring, improves mechanical pressure
Machine operational efficiency and intelligent automation degree improve product quality, realize to mechanical press and automated production linear brake
The intellectualized detection of friction block and control.
Detailed description of the invention:
Fig. 1 is existing machinery pressure drive mechanism structural schematic diagram；
Fig. 2 is the structural schematic diagram of mechanical press brake pads intelligent measuring and control device of the present invention；
Fig. 3 is the portion X partial enlarged view in Fig. 2；
Fig. 4 is the portion Y partial enlarged view in Fig. 2；
Fig. 5 be in Fig. 4 A-A to structural schematic diagram；
Fig. 6 is the portion Z partial enlarged view in Fig. 2；
Fig. 7 is the brake pads structural schematic diagram that the present invention is equipped with RFID chip；
Fig. 8 is the top view for the brake pads that the present invention is equipped with RFID chip；
In figure, 1, brake, 2, high speed gear shaft, 3, clutch, 4, pulsed signal device, 5, brake support base,
6, brake seat, 7, jackscrew, 8, brake platen, 9, brake pads, 10, brake friction disk, 11, expansion set, 12, RFID
Chip, 13, piston, 14, fixing seat, 15, U-shaped adjustment gasket, 16, close switch A, 17, mounting bracket, 18, bracket, 19, pressure
Disk, 20, pin, 21, fixing sleeve, 22, encoder support, 23, rotary encoder, 24, shaft coupling, 25, connecting shaft, 26, bearing,
27, positioning sleeve, 28, hole retaining ring, 29, close to switch B, 30, close to switch bracket, 31, cam, 32, notch, 33, spring catch,
34, spacer sleeve, 35, spring, 36, spring washer, 37, connection disk, 38, jackshaft, 39, chain, 40, cam controller.
In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this hair
It is bright to be described in detail.
As illustrated in figs. 2 through 8, mechanical press brake pads intelligent measuring and control device, including brake 1 and high gear
Axis 2,2 one end of high speed gear shaft are equipped with brake 1, and the other end is equipped with clutch 3, and brake 1 includes brake support base 5, system
Dynamic device seat 6, piston 13, brake friction disk 10, brake pads 9 and braking platen 8, brake seat 6 are mounted on brake
On support base 5, piston 13 is arranged in the plunger shaft of brake seat 6, and brake friction disk 10 is arranged by expansion set 11 in high speed
On gear shaft 2, brake pads 9 is arranged on brake friction disk 10, is connected between brake seat 6 and braking platen 8
Brake spring device, 1 upper end of brake are equipped with brake pads abrasion loss detecting and controlling system, 1 end face outside of brake
Angle detecting and controlling system is rotated equipped with brake drive shaft, brake pads replacement controlling alarm is additionally provided on brake 1
System, brake pads abrasion loss detecting and controlling system include the fixing seat 14 that 6 upper end of brake seat is arranged in, fixing seat 14
On be transversely provided with several adjustment gaskets, 8 upper end of brake platen is equipped with mounting bracket 17, and mounting bracket 17 is equipped with and adjusting pad
Piece cooperation detection 9 abrasion loss of brake pads close to switch A16, be horizontally installed in braking platen 8 and piston 13 cooperate
Jackscrew 7, close to switch A16 pass through conducting wire connect with PLC controller.By designing braking on mechanical press transmission mechanism
Device friction block abrasion loss detecting and controlling system, brake drive shaft rotation angle detecting and controlling system and brake pads replacement
Alarm control system, can accurately and timely Automatic Detection and Control brake pads abrasion condition, and carried out according to the degree of wear
It removes adjustment gasket or replaces the maintenance of brake pads 9, and according to absolute value formula rotary encoder data automatically to cunning
Block is resetted.Overall construction design is unique, securely and reliably, efficiently, to brake pads wears progress intelligent monitoring, improves
Mechanical press operational efficiency and intelligent automation degree improve product quality, realize to mechanical press and automated production
The intellectualized detection of linear brake friction block and control.
Adjustment gasket is U-shaped adjustment gasket 15, and U-shaped adjustment gasket 15 is bolted in fixing seat 14.Using U-shaped
The installation of adjustment gasket 15 removes conveniently, and structural strength is high.
U-shaped adjustment gasket 15 with a thickness of 2mm, the detecting distance close to switch A16 is 4mm, is braked convenient for accurate detection
9 abrasion condition of device friction block, and remind a piece of U-shaped adjustment gasket 15 whether should be removed in time.
Brake spring device includes spring catch 33, and 33 one end of spring catch passes through braking platen 8 and is mounted on brake seat 6
On, the other end is equipped with spacer sleeve 34, spring 35, spring washer 36 and nut, and spring 35 is arranged on spacer sleeve 34, spacer sleeve
34 and spring 35 be arranged between braking platen 8 and spring washer 36.Ensure quickly to stop.
2mm spacing is equipped between spacer sleeve 34 and spring washer 36.
It includes the bracket being mounted in 8 end face outside of braking platen that brake drive shaft, which rotates angle detecting and controlling system,
18,18 center of bracket is equipped with fixing sleeve 21, is equipped with connecting shaft 25 in fixing sleeve 21,25 one end of connecting shaft is mounted on high speed gear shaft
On shaft end platen 19, the other end is equipped with cam 31, and cam 31 is equipped with notch 32, and 21 outer end face of fixing sleeve is equipped with and cam
Cooperation close to switch B29,25 outboard end of connecting shaft is connect by shaft coupling 24 with rotary encoder 23, and switch B29 is approached
It is connect respectively with PLC controller with rotary encoder 23 by conducting wire.It is worked at the same time close to switch B29 with rotary encoder 23,
When press machine is in top dead-centre, 31 notch of cam, 32 face is exported close to switch B29 no signal at this time close to switch B29.Rotation
Turn the accurately required rotation angle of measurement braking of encoder 23, brake corresponding with each stop angle of typing has been shifted to an earlier date in system
Friction block wears 9 data and compares, and then is accurately detected 9 abrasion condition of brake pads, and shown.
Bearing 26 is installed, the connecting shaft 25 between two bearings 26 is equipped with positioning sleeve between connecting shaft 25 and fixing sleeve 21
Connecting shaft 25 is arranged in platen 19 by pin 20, and rotary encoder 23 is fixed on by encoder support 22
Surely on set 21.
Close to switch B29 by being fixed on fixing sleeve 21 close to switch bracket 30.
Rotary encoder 23 is absolute value formula rotary encoder.
Brake pads replacement alarm control system includes the brake that at least one piece of inside is equipped with signal generator
Friction block 9 and signal receiver for receiving signal generator signal, signal receiver are connect with PLC controller.Pass through letter
Number generator sends signal for the case where whether 9 abrasion loss of brake pads is more than the replacement to be detected, and works as signal generator
When having data feedback, illustrate that brake pads 9 does not arrive the degree of replacement, when signal generator no data feedback, explanation
The replacement brake pads 9.
Signal generator is RFID chip 12, and signal receiver is pulsed signal device 4.Using RFID chip 12 and arteries and veins
The not only technology maturation of signal receiver 4 is rushed, but also reliable performance is stablized.
The brake pads 9 that two pieces of inside are equipped with RFID chip 12 is symmetrically arranged on brake friction disk 10.It prevents from missing
Difference, it is ensured that detection is accurate.
RFID chip 12 is arranged inside brake pads, and RFID chip 12 arrives brake pads 9 close to pulse
Signal receiver one end end face distance is 5mm.
Pulsed signal device 4 is arranged on brake seat 6.
Installation of the invention, course of work explanation:
Brake spring pin 33 is first passed through into brake seat 6 when installation and is fixed with holding screw, then by brake seat 6
It is fixed on brake support base 5, piston 13 is mounted in the plunger shaft in brake seat 6, brake with bolt and washer
Frictional disk 10 is mounted on high speed gear shaft 2 with expansion set 11, and is compressed with platen 19 and eye bolt, RFID chip built in two pieces
12 brake pads 9 is diagonally mounted in brake friction disk 10, remaining installs common brake pads 9, and guarantees
Each 12 uniform thickness of brake pads, braking platen 8 pass through brake spring pin 33 and are pressed on brake pads 9, adjustment installation
Jackscrew 7 and nut in braking platen 8 guarantee that 13 side plane of piston is concordant with brake seat 6, then inside are cased with spacer sleeve
34 spring 35 is fixed on spring catch 33 with spring washer 36 and nut, and completes the setting of pretightning force required for spring 35,
And guarantee that the gap between spacer sleeve 34 and spring washer 36 is 2mm, each spring catch 33 is then connected into one with connection disk 37
A entirety simultaneously tightens fixation with nut, prevents single spring catch 33 from causing the dangerous generation that flies out because of fatigue fracture.Start pressure
When power machine stroke, electromagnetism bivalve and two-position three way magnetic valve simultaneously operation, compressed air rapidly enter brake 1 through bivalve, living
Plug 13 by jackscrew 7 drive braking platen 8 move back, 8 compressed spring 33 of braking platen, when displacement reaches 2mm, spacer sleeve 34 with
Spring washer 36 contacts, and can not continue to move back, and brake 1 completes brake pads 9 and disengages process.
(1) close to the position switch A16 to just U-shaped adjustment gasket 15, U-shaped 15 thickness of adjustment gasket is 2mm, close to switch
A16 detection accuracy is 4mm, with the abrasion of brake pads 9, effect of the braking platen 8 in spring 35 after system device 1 is vented
Down stroke gradually increases, when the abrasion of brake pads 9 reaches 2mm, in braking platen 8 close to switch A16 and U-shaped adjustment
Distance between gasket 15 is exactly 4mm, sends a signal to PLC controller close to switch A16, system alarm is simultaneously shut down, touch screen
Prompt: " reduce brake and adjust spacer thickness 2mm ".When adjustment, operator touch screen select " maintenance ", system can automatically by
Sliding block is adjusted to lower dead point position, while safety cock enters, and then stops main motor.Then operator incites somebody to action according to display screen prompting
Fixture nut on spring catch 33 is completed needed for spring 35 according to the corresponding circle number of system prompt data rotation 2mm (or corner amount)
The recovery of pretightning force is wanted, while measuring guarantee and covering between the spacer sleeve 34 and spring washer 36 in 33 upper spring 35 of spring catch
Gap is 2mm, and the nut being coupled outside disk 37 is then tightened fixation, prevents from causing spring because of single 33 fatigue fracture of spring catch
35 danger to fly out, the bolt and washer of the U-shaped adjustment gasket 15 being finally mounted in the outer fixing seat 14 of Brake Block 6 in release,
It extracts 1 U-shaped adjustment gasket 15 out, then all bolts and washer is tightened by torque demand, and fasten locking iron wire.It is close to open
PLC control system is restored automatically after pass A16 can't detect signal, and after the completion of adjustment, operator selects reset key on the touchscreen,
Electric motor starting, PLC control system automatically can reset to sliding block stop position according to absolute value formula rotary encoder data upper dead
Point, safety cock remove, and mechanical press restores to work normally.
(2) it is worked at the same time close to switch B29 and rotary encoder 23, when press machine is in top dead-centre, 31 notch of cam
32 faces are exported close to switch B29 close to switch B29 no signal.It is opened from system signals to the exhaust of electromagnetism valve events brake 1
Begin the angle that rotary encoder 23 is rotated until rotary encoder 23 stops rotating no signal output, records in advance in system
Enter corresponding 9 wear data of brake pads of each stop angle, system is constantly monitored and shone according to the numeric ratio in database
It is corresponding, intelligent decision brake pads abrasion situation, and show and prompt or control operating condition on the touchscreen.
(3) pulsed signal device 4 is mounted on brake seat 6 with bolt, is connected to PLC control system with data line
On, RFID chip 12 is built at 9 one side end face 5mm of brake pads, and is made marks in the side, brake seat 6 and system
8 material of dynamic pressure disk is identical, guarantees that brake pads two sides abrasion loss is identical, in brake friction disk when to prevent error from installing
10 diagonal positions place the brake pads 9 of RFID chip 12 built in 2 pieces, and will have label side to fill close to pulsed signal
Set 4, pulsed signal device 4 can in real-time detection to brake pads 9 RFID chip 12 data feedback, have feedback
When illustrate that brake pads 9 not may wear to the degree to be replaced, by long-term use, U-shaped adjustment gasket 15 gradually adjusts use
It is complete, when 9 abrasion loss of brake pads reaches 10mm, 12 wear-out failure of RFID chip in brake pads 9, pulse letter
Number reception device 4 can't detect data feedback, and system alarm PLC control press machine stops working, while touch screen prompts: " asking
Replace friction block ".When replacement, operator selects " replacement " in touch screen, and sliding block can be adjusted to lower dead point position automatically by system, so
After stop main motor, while safety cock enters.Then operator is more changed jobs, after the completion of replacing brake pads 9,
Reset key, electric motor starting are selected on touch screen, PLC controller automatically can stop sliding block according to absolute value formula rotary encoder data
Stop bit, which is set, resets to top dead-centre, and safety cock removes, mechanical press normal operating conditions.
Brake pads abrasion loss inspection in mechanical press brake pads intelligent measuring and control device of the present invention
Surveying control system, transmission shaft rotation angle detecting and controlling system, friction block replacement alarm control system can be accurately and timely automatic
Control brake friction block abrasion condition is detected, the requirement to worker's professional knowledge, and energy Improving The Quality of Products, energy are reduced
Better meet the intelligent needs of mechanical press automatic production line.
Above-mentioned specific embodiment cannot function as limiting the scope of the invention, for the technology people of the art
For member, any alternate modification or transformation made to embodiment of the present invention are fallen within the scope of protection of the present invention.
Place is not described in detail by the present invention, is the well-known technique of those skilled in the art of the present technique.