CN106568547A - Mold repair hammering force test device and mold repair hammering force test method - Google Patents
Mold repair hammering force test device and mold repair hammering force test method Download PDFInfo
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- CN106568547A CN106568547A CN201610987666.XA CN201610987666A CN106568547A CN 106568547 A CN106568547 A CN 106568547A CN 201610987666 A CN201610987666 A CN 201610987666A CN 106568547 A CN106568547 A CN 106568547A
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- corner bracket
- force
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- base plate
- hammer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0047—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to residual stresses
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- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the technical field of mold repair, and especially relates to a mold repair hammering force test device and a mold repair hammering force test method. The device comprises a controller, a base plate (1), a front plate (2), a mounting hole (3) arranged in the front plate (2), a pressure sensor (4), a corner bracket cushion block (5), a corner bracket support block (6), a force-bearing corner bracket (7), a sensor fixing base (8), a cushion block (9), and a damping block (10). The force-bearing corner bracket (7) includes two force-bearing blocks (11) rotationally connected. The pressure sensor (4) is electrically connected with the controller. With the mold repair hammering force test device, the hammering force can be measured accurately.
Description
Technical field
The present invention relates to mould repair technical field, more particularly to a kind of mould repair hammering force test device and method.
Background technology
In recent years, the continuous expansion of mould application, the more and requirements at the higher level that application is proposed to mould, make
Die & mold development speed, be faster than other manufacturing development speeds has become universal rule, and current world's Die & Mould Market is not for
Should ask, in recent years, the total market size is always between 600~65,000,000,000 dollars, and China's mould outlet is still less than 8%, Eleventh Five-Year Plan
Period can expand completely this share, while as tendency of economy global development becomes clear day by day, mold manufacturing industry gradually to
China shifts and transnational group carries out mould buying trend and becomes clear day by day to China, and foreign capitals and Private Capital continue good China
Die industry, more than challenge, following world Die & Mould Market has a extensive future China's die industry opportunity, and China's mould still has larger
Exhibition space.
Mould has extremely important effect in modern industry, and its quality directly determines the quality of product.Improve mould
The service life and precision of tool, shortens the manufacturing cycle of mould, is the technical problem that many enterprises are badly in need of solving, but makes in mould
Often occur collapsing with during angle, deformation, abrasion, the failure mode such as even fracture.Especially in mold groove and prominence
The fatigue crack of generation is most commonly seen and universal.Therefore, it is also necessary to the reparation of mould.The method of repairing mould is a lot,
Such as electric spark technique, argon arc welding reparation, laser overlaying welding technology, brush electroplating method.
Argon arc welding is repaired:Make thermal source using the electric arc burnt between the welding wire and workpiece being continuously fed to, sprayed by torch-tip
The gas shielded arc that goes out is being welded.Argon arc welding at present is conventional method, is applicable to most of major metal, is wrapped
Include carbon steel, steel alloy.Welding is applied to rustless steel, aluminum, magnesium, copper, titanium, zirconium and nickel alloy, due to valency
The shortcomings of lattice are low, are widely used in mould repair and weld, but welding heat affected area is big, solder joint is big, repairs at present in precision die
Aspect has progressively been mended Laser Welding and has been replaced.
Laser Welding is the welding that the laser beam focused on using high-power coherent monochromatic photon stream is carried out for thermal source.It is this
Welding method generally has continuous power Laser Welding and pulse power laser weldering.Laser Welding advantage is to carry out in a vacuum,
Shortcoming is then penetration power be not as strong as electron beam weldering.Accurate energy hole can be carried out during Laser Welding, thus accurate device can be realized
The welding of part.It can apply to many metals, can particularly solve the welding of some welding-resistant metals and dissimilar metal.It is wide at present
The general reparation for mould.
Residual stress inevitably occurs after mould repair, if do not eliminated, in Service Environment afterwards
The mold use life-span will be reduced.Therefore it is general all to carry out eliminating stress process in mould repair.Hammering method is used as one kind
Commonly use and easily means are extensively applied by master worker.Hammering method refer to tup touch mould repair region weld seam and its
Neighboring area, so as to change the stress state of restoring area, reduces residual tension;Even produce bearing stress.Grind in a large number
Study carefully and show, restoring area seam organization crystal grain can be refined by hammering, suppress the germinating and development of crackle, improve making for mould
Use the life-span.
Hammering so far eliminates mould repair residualinternal stress, can not accurately go to test hammer force size very much, especially
It is measured for the hammer force at the on-plane surfaces such as mold groove, turning, projection is just more difficult, so allows for autoplugger
The bad control of hammer force hit, and then cause the effect of hammering elimination residual stress poor.
The content of the invention
A kind of technical scheme to be solved by this invention is:A kind of mould repair hammering that can accurately measure hammer force is provided
Force test device.
A kind of technical scheme of the present invention is:A kind of mould repair hammers force test device, it include controller,
Header board that base plate, one end are rotatably connected on base plate one end, the installing hole being arranged on header board, it is arranged in installing hole for testing
The pressure transducer of hammer force, be arranged on header board away from base plate end face and with pressure transducer test end thereof contacts corner bracket
Cushion block, the corner bracket support block being arranged on corner bracket cushion block, it is arranged in corner bracket support block and is used to directly receive the stress of hammer force
Corner bracket, it is arranged on header board on base plate end face and is used to fix the sensor of sensor with another end in contact of pressure transducer
Firm banking, the cushion block for propping up sensor firm banking and be arranged on base plate be used for prop up cushion block so that absorb hammer force survey
The snubber block of the hammer force produced during examination, and the stress corner bracket includes two pieces of force blocks for rotating connection, and the pressure is passed
Sensor is electrically connected with the controller.
It also includes rotating the back plate being connected with the base plate other end, and the first regulation is provided between the header board and base plate
Frame, is provided with the second adjusting bracket between the header board and back plate.
It is equipped with the base plate and back plate for convenient fixed electric magnet.
The corner bracket support block, corner bracket cushion block, header board and sensor fixed seat pass sequentially through fixing screws locking, described
Two pieces of force blocks are locked respectively by fixing screws with corner bracket support block, and the sensor fixed seat is away from pressure transducer one
End is provided with steady pin, and the cushion block is provided with and stretches into spacing location hole for steady pin, and the snubber block is provided with for pad
Block is embedded in fixed groove.
The material of the stress corner bracket, corner bracket support block and corner bracket cushion block is identical with the mold materials for needing to repair.
The snubber block is provided with multiple shock relieve vents.
Using above structure, the present invention has advantages below:The present invention is correctly simulated using the hammering damping device of design
Actual mould reparation hammers process, and using sensor acquisition force data is hammered, and obtains actual hammer force size, and hammers institute
The state at place is identical with actual hammering state, i.e., the angle at hammering is identical with the angle at actual hammering, and hammering
Direction is also identical so that the hammer force for measuring is more accurate, and is provided with various shock-damping structures, can so absorb hammer
The hammer force of generation is hit, Hui Zhen occurs in placement, that is, prevent the hammer force that sensor is detected from being affected by shake is returned so that the hammer for measuring
Hit power more accurate.
So arrange, can by the first adjusting bracket and the second adjusting bracket easily adjust header board and back plate with
Angle between base plate, is so adjusted more convenient.
Electric magnet is set on base plate and back plate, so preferably can be fixed whole test device, during hammering also not
Be susceptible to displacement, so cause to measure hammer force it is more accurate.
Pressure transducer is fixed in the installing hole of header board by corner bracket cushion block and sensor fixed seat, such sensor
Also preferably can be passed over from corner bracket cushion block by good spacing fixation, and hammer force, and by cushion block and be sensed
Fixed by steady pin between device fixed seat, it is relatively simple for structure, and fixed effect is preferably, and it is by groove that cushion block is spacing,
The good limiting cushion block of so simple structure, and energy.
By the material of stress corner bracket, corner bracket support block and corner bracket cushion block do it is identical with mould, can so make what is measured
Hammer force is more nearly actual hammer force, and then causes the test of hammer force more accurate.
Multiple shock relieve vents are set on snubber block, and the damping effect of such snubber block more preferably, and then causes Hui Zhen to hammering
The test of power affects less, that is, cause the test of hammer force more accurate.
Another technical problem to be solved by this invention is:A kind of mould repair hammer that can accurately measure hammer force is provided
Hit force test method.
Another technical scheme of the present invention is:A kind of mould repair hammers force test method, and it includes following
Step:
(1), stress corner bracket, corner bracket support block and corner bracket cushion block selected according to the material of mould to be repaired, and repaiied according to band
The angle between angle adjustment stress two force blocks of corner bracket at the actual hammering of multiple mould, and according to the angle of stress corner bracket
Degree selects suitable corner bracket support block, then first fixes corner bracket cushion block, sensor and sensor fixed seat, then by corner bracket
Support block and stress corner bracket are fixed;
(2), bracing frame adjusted adjusting the angle between header board and base plate by adjustment first so that the angle bisection of stress corner bracket
Line is parallel with the angular bisector at the actual hammering of mould to be repaired;
(3), the front Board position that obtained according to step 2 select suitable snubber block, then adjust the second bracing frame to adjust back plate
Angle between base plate so that snubber block can be fixedly clamped well;
(4), by being arranged on base plate or back plate on electric magnet whole test device is fixed, afterwards hammer stress corner bracket,
Now controller can gather the hammer force that pressure transducer is received, and obtain the hammer force size of this time hammering.
Suitable snubber block is selected to also need to consider the size of substantially hammer force in the step 3,
If hammer force is less than 1KN, the snubber block that shock relieve vent is 3 is selected;
If hammer force is 1-3KN, the snubber block that shock relieve vent is 5 is selected;
If hammer force is more than 3KN, the snubber block that shock relieve vent is 8 is selected;
And the shape of the snubber block is then according to the angle between the angle and back plate and base plate between header board and base plate come really
It is fixed.
Hammer force when stress corner bracket is hammered in the step 4 is more than the response time of sensor action time.
Using above method compared with prior art, the present invention has advantages below:By first adjusting mould repair hammering
Force test device so that state is essentially identical at its actual hammering with mould, i.e. angle, direction, material etc. all with actual hammer
Hit place essentially identical, the hammer force that measures of sensor is more accurate when so simulation is hammered.
And by matching for the quantity of the shock relieve vent on snubber block and the hammer force estimated, so can select to be more suitable for
Snubber block carrying out vibration damping, and then cause the impact of this Hui Zhen less to the hammer force that measures, and according to header board and bottom
The angle between angle and back plate and base plate between plate is selecting the shape of snubber block so that snubber block install after not
Situations such as space or shake occurs, and then the hammer force for causing to measure is more accurate.
So arranging can prevent because the too fast and caused hammer force of hammering frequency is tested inaccurate situation and occurred.
Description of the drawings
Fig. 1 is the structural representation that inventive die reparation hammers force test device.
Fig. 2 is the structural representation that inventive die reparation hammers header board in force test device.
Fig. 3 is the structural representation that inventive die reparation hammers stress corner bracket in force test device.
Fig. 4 is that inventive die reparation hammers force test device side schematic view.
Fig. 5 is the enlarged drawing in Fig. 4 at A.
As shown in the figure:1st, base plate;2nd, header board;3rd, installing hole;4th, pressure transducer;5th, corner bracket cushion block;6th, corner bracket support block;
7th, stress corner bracket;8th, sensor fixed seat;9th, cushion block;10th, snubber block;11st, force block;12nd, back plate;13rd, the first adjusting bracket;
14th, the second adjusting bracket;15th, electric magnet;16th, steady pin;17th, shock relieve vent.
Specific embodiment
Below in conjunction with accompanying drawing the present invention is described further with specific embodiment, but the present invention be not limited only to it is following
Specific embodiment.
A kind of mould repair hammers force test device, and it includes that controller, base plate 1, one end are rotatably connected on the one end of base plate 1
Header board 2, be arranged on header board 2 installing hole 3, be arranged in installing hole 3 for testing the pressure transducer 4 of hammer force, setting
Put header board 2 away from the end face of base plate 1 and with pressure transducer 4 test end thereof contacts corner bracket cushion block 5, be arranged on corner bracket pad
Corner bracket support block 6 on block 5, be arranged in corner bracket support block 6 and be used to directly receiving the stress corner bracket 7 of hammer force, be arranged on before
Plate 2 on the end face of base plate 1 and with another end in contact of pressure transducer 4 be used for fix sensor sensor firm banking 8,
When propping up the cushion block 9 of sensor firm banking 8 and being arranged on base plate 1 for propping up cushion block 9 and then absorption hammer force test
The snubber block 10 of the hammer force of generation, and the stress corner bracket 7 includes two pieces of force blocks 11 for rotating connection, and the pressure is passed
Sensor 4 is electrically connected with the controller.
It also includes rotating the back plate 12 being connected with the other end of base plate 1, and is provided with first between the header board 2 and base plate 1
Adjusting bracket 13, is provided with the second adjusting bracket 14 between the header board 2 and back plate 12.
It is equipped with the base plate 1 and back plate 12 for convenient fixed electric magnet 15.
The corner bracket support block 6, corner bracket cushion block 5, header board 2 and sensor fixed seat 8 pass sequentially through fixing screws locking,
Two pieces of force blocks 11 are locked respectively by fixing screws with corner bracket support block 6, and the sensor fixed seat 8 is away from pressure
Sensor one end is provided with steady pin 16, and the cushion block is provided with and stretches 16 for steady pin and enter spacing location hole, and the damping
Block 10 is provided with and is embedded in fixed groove for cushion block.
The mold materials phase that the material of the stress corner bracket 7, corner bracket support block 6 and corner bracket cushion block 5 is repaired with needs
Together.
The snubber block 10 is provided with multiple shock relieve vents 17.
Header board:Header board is mainly stress corner bracket, corner bracket support block, corner bracket cushion block, pressure transducer, sensor firm banking
Mounting plate, be connected with base plate by connecting shaft, fixed by the first adjusting bracket.Material is high-tensile structural steel.
Back plate:There is electric magnet in back plate, device can be fixed, it is ensured that the stability of device, the second adjusting bracket thereon
Fixed front plate, is connected by connecting shaft with base plate.Material is high-tensile structural steel.
Base plate:Function is identical with back plate.Material is high-tensile structural steel.
First adjusting bracket:It is separately fixed between header board, base plate, adjustable in length, the angle of header board is changed with this, and
Header board is rigidly fixed.
Electric magnet:It is separately fixed in base plate and back plate, whole device is fixed.
Connecting shaft:Connect header board and base plate, back plate and base plate respectively so that the relative angle scalable of three plates.
Snubber block:Damping block of material is foamed aluminium(Density is little, absorb impact capacity strong, easy processing, easy to install, shaping essence
Degree is high), there is shock relieve vent to absorb the impact energy produced when hammer force is measured above, reduce the vibrations of structure.The quantity root of shock relieve vent
Determine according to the size of hammering.When hammer force is less than 1KN, shock relieve vent is 3;When hammer force is 1-3KN, shock relieve vent is 5;Hammer
When hitting power more than 3KN, shock relieve vent is 8.Snubber block sizes and types will according to the back plate of test device, header board and base plate it
Between angle, changed.
Cushion block:There is location hole to be connected with sensor fixed seat by steady pin on cushion block, and consolidated by snubber block groove
It is fixed, limit its movement.
Stress corner bracket:Hammer force measurement is stressed directly device, and the angle of stress corner bracket can be rotation shaft regulated by corner bracket, angle
Range of accommodation is 60 degree to 150 degree;It is connected with corner bracket support block by fixing bolt;Material is identical with mold materials.
Fixing bolt:Act the effect of being fixedly connected, respectively connection stress corner bracket and corner bracket support block, sensor firm banking,
Header board, corner bracket cushion block and corner bracket support block.
Corner bracket support block:The corner bracket rotating shaft of stress corner bracket is assemblied in the groove of corner bracket support block, by suffered by stress corner bracket
Hammer force is delivered to pressure transducer, and pressure transducer is played a protective role.
Corner bracket rotating shaft:The angle adjusting mechanism of stress corner bracket, angle of regulation range is 60 degree to 150 degree, and is connected
Two pieces of force blocks of stress corner bracket.
Shock relieve vent:On snubber block, the hammer force produced when hammer force is measured is absorbed, reduce the vibrations of structure.
Corner bracket cushion block:Made by upper and lower two parts, there are various angle models respectively, with this various angle with stress corner bracket
It is adapted, and is connected with stress corner bracket, sensor fixed seat, header board, corner bracket cushion block by fixing bolt.
Sensor fixed seat:Sensor device for positioning and securing, has above steady pin to be connected cushion block.Act primarily as fixed company
Connect effect.
Steady pin:One end is fixed in sensor fixed seat, there is location hole on cushion block, and the effect of being connected is acted to cushion block.
Pressure transducer:The core component of hammer force data acquisition, can be converted into voltage signal by hammer force pressure signal,
Jing after signal amplifier amplifies, input computer carries out diverting one's attention to process.
A kind of mould repair hammers force test method, and it is comprised the following steps:
(1), stress corner bracket, corner bracket support block and corner bracket cushion block selected according to the material of mould to be repaired, and repaiied according to band
The angle between angle adjustment stress two force blocks of corner bracket at the actual hammering of multiple mould, and according to the angle of stress corner bracket
Degree selects suitable corner bracket support block, then first fixes corner bracket cushion block, sensor and sensor fixed seat, then by corner bracket
Support block and stress corner bracket are fixed;
(2), bracing frame adjusted adjusting the angle between header board and base plate by adjustment first so that the angle bisection of stress corner bracket
Line is parallel with the angular bisector at the actual hammering of mould to be repaired;
(3), the front Board position that obtained according to step 2 select suitable snubber block, then adjust the second bracing frame to adjust back plate
Angle between base plate so that snubber block can be fixedly clamped well;
The step(3)It is middle to select suitable snubber block to also need to consider the size of substantially hammer force,
If hammer force is less than 1KN, the snubber block that shock relieve vent is 3 is selected;
If hammer force is 1-3KN, the snubber block that shock relieve vent is 5 is selected;
If hammer force is more than 3KN, the snubber block that shock relieve vent is 8 is selected;
And the shape of the snubber block is then according to the angle between the angle and back plate and base plate between header board and base plate come really
It is fixed;
(4), by being arranged on base plate or back plate on electric magnet whole test device is fixed, afterwards hammer stress corner bracket,
Now controller can gather the hammer force that pressure transducer is received, and obtain the hammer force size of this time hammering.
The step(4)Hammer force during middle hammering stress corner bracket is more than the response time of sensor action time.
And after this test device has been assembled, single-point, multiple spot hammering measurement hammer force can be carried out;Then using analysis
Software is analyzed, processes to the hammering force data for collecting:
1st, the hammering force data collected according to second step, is processed using data analysis software, carries out before processing, it is contemplated that
The impact of other irrelevant factors, need to carry out programming filtering dephasign.
2nd, the appearance form of data can be using waveform, Excel, write file etc..Simultaneously conjunction need to be set during gathered data
The indication range of reason, it is to avoid display distortion occur.
3rd, the data that analysis software is collected need to carry out the conversion of signal form, it is necessary to work out suitable converse routine with meter
Calculate formula.So that analysis software presentation is the actual value for gathering.
4th, suitable data acquiring frequency and sampling quantity are set, it is to avoid lose the valid data of hammer force.
5th, the organized data real-time display program in analysis software, in order to be adjusted in time to collecting mechanism, reduces
Error.
Collecting flowchart is discussed in detail:
One hammering force signal-sensor
The force signal produced during hammering, Jing sensors are transformed into voltage signal.This process is referred to as piezoelectricity transformation.This is that hammer force is adopted
The key of collection.Because the material of actual hammering is different during hammering, the difference of hammer force application time and discharge time can be caused,
This can affect the collection of hammer force valid data.If hammer force unloading is too fast, limited by sensor acquisition sensitivity, will
There is the loss of data.Therefore should be noted when sensor is connected it is following some:
1. sensor is arranged in the groove of sensor firm banking, and corner bracket cushion block is arranged on into sensor upper surface.
2. sensor, installation bolt are fixed.Guarantee that sensor is not subjected to displacement in hammering.Prevent the loss of data.
3., according to the real material of repairing mould, more emat sensor is fixed, the material of the support feet of damping device.So that
Hammer force is buffered during hammering, prevents hammer force from unloading too fast, and more than the corresponding time of sensor, hammer force data acquisition is not
Arrive.
4. the cushioning effect of damping device, also can pass through the indirect hammer strike surface of more emat sensor by changing snubber block
Material realizing.
5. the response time of sensor depends on the sensitivity of sensor itself, and its natural frequency is 40KHz or so, because
, in data acquisition, the action time of hammer force have to be larger than the response time of sensor for this.
Two. sensor --- capture card(Data buffer storage)
Hammering force signal amplifies signal Jing after sensor transformation by signal amplifier, then buffers into capture card.Collection is arranged with
Multiple analog input channels, may be selected difference or single ended input.
Each analog input channel sample frequency is up to 100KS/s, 12 bit resolutions and 2500V(DC)DC-isolation
Protection.The gain programmable of each input channel, card is provided with 4K sample FIFO buffers.The need of data acquisition amount can be met
Ask, it is ensured that there are enough hits.This is the premise of Data Analysis Services.During data acquisition wiring, input channel quantity, position
Determination rely primarily on wiring pin.Line can be carried out in wiring pin, determines that single channel is adopted or multichannel collecting.This
According to the actual requirements using single channel collection in bright patent.
Three. capture card --- computer
The hammering force data of capture card collection, is eventually input into computer, is analyzed process.LabView is adopted in this patent
Data processing software.Before gathered data, the range of frequency acquisition, hits, data type, input signal need to be set
Put.Require in order to ensure the effectiveness and reliability of sampled point need to meet:
1. sample frequency must be sufficiently large, is typically greater than the natural frequency of sensor.
2. hits must be reasonable, and hits arranges the requirement that need to consider filter, and hits is unreasonable to cause number
According to wave distortion.Subsequent data is affected to process.
3. the range setting of input channel will be according to the hammer force scope of collection, and range is excessive to occur that data cannot be adopted
The situations such as collection.
4. arranging for sampling channel according to actual collection connecting line construction, then need to determine the passage that collection starts, Yi Jiyao
The number of channels of scanning.
5. when gathering under the interference of voltage signal floating etc., clutter is occurred in data waveform figure, affect actual hammering
The analysis of force data, therefore filter need to be designed.
6. the data of computer acquisition are the voltage signals of sensor conversion, therefore need to be designed in Data Analysis Services
Converse routine, makes oscillogram be shown to survey hammer force size.Show hammer action position, and the power that each is put at hammering
Size and Orientation, analysis judges the action effect of hammer force.
7. it is the gathered data for intuitively showing hammer force, need to programs and write data into Excel forms.
8. hammer force data quantization, need to according to the analog result of realistic simulation software, and to welding region hammering after
The measurement of residual stress.
Claims (9)
1. a kind of mould repair hammers force test device, it is characterised in that:It includes controller, base plate(1), one end rotate connection
In base plate(1)The header board of one end(2), be arranged on header board(2)On installing hole(3), be arranged on installing hole(3)It is interior to hammer into shape for testing
Hit the pressure transducer of power(4), be arranged on header board(2)Away from base plate(1)On end face and and pressure transducer(4)Test one end
The corner bracket cushion block of contact(5), be arranged on corner bracket cushion block(5)On corner bracket support block(6), be arranged on corner bracket support block(6)Upper use
In the stress corner bracket for directly receiving hammer force(7), be arranged on header board(2)Near base plate(1)On end face and and pressure transducer
(4)Another end in contact is used to fix the sensor firm banking of sensor(8), prop up sensor firm banking(8)Cushion block(9)
And it is arranged on base plate(1)It is upper to be used to prop up cushion block(9)And then the snubber block of the hammer force produced during absorption hammer force test
(10), and the stress corner bracket(7)The force block for connecting is rotated including two pieces(11), and the pressure transducer(4)With control
Device is electrically connected.
2. mould repair according to claim 1 hammers force test device, it is characterised in that:It also includes and base plate(1)
The other end rotates the back plate of connection(12), and the header board(2)With base plate(1)Between be provided with the first adjusting bracket(13), it is described
Header board(2)With back plate(12)Between be provided with the second adjusting bracket(14).
3. mould repair according to claim 2 hammers force test device, it is characterised in that:The base plate(1)And after
Plate(12)On be equipped with for convenient fixed electric magnet(15).
4. mould repair according to claim 1 hammers force test device, it is characterised in that:The corner bracket support block(6)、
Corner bracket cushion block(5), header board(2)And sensor fixed seat(8)Pass sequentially through fixing screws locking, two pieces of force blocks(11)
Respectively by fixing screws and corner bracket support block(6)Locking, and the sensor fixed seat(8)Set away from pressure transducer one end
There is steady pin(16), and the cushion block is provided with and stretched for steady pin(16)Enter spacing location hole, and the snubber block(10)On
It is provided with and is embedded in fixed groove for cushion block.
5. mould repair according to claim 1 hammers force test device, it is characterised in that:The stress corner bracket(7), angle
Frame support block(6)And corner bracket cushion block(5)Material with need repair mold materials it is identical.
6. mould repair according to claim 1 hammers force test device, it is characterised in that:The snubber block(10)On set
There are multiple shock relieve vents(17).
7. a kind of mould repair hammers force test method, it is characterised in that it is comprised the following steps:
(1), stress corner bracket, corner bracket support block and corner bracket cushion block are selected according to the material of mould to be repaired, and is repaiied according to band
The angle between angle adjustment stress two force blocks of corner bracket at the actual hammering of multiple mould, and according to the angle of stress corner bracket
Degree selects suitable corner bracket support block, then first fixes corner bracket cushion block, sensor and sensor fixed seat, then by corner bracket
Support block and stress corner bracket are fixed;
(2), adjust bracing frame to adjust the angle between header board and base plate by adjustment first so that the angle bisection of stress corner bracket
Line is parallel with the angular bisector at the actual hammering of mould to be repaired;
(3), according to step(2)The front Board position for obtaining selects suitable snubber block, then adjusts the second bracing frame come after adjusting
Angle between plate and base plate so that snubber block can be fixedly clamped well;
(4), by being arranged on base plate or back plate on electric magnet whole test device is fixed, afterwards hammer stress corner bracket,
Now controller can gather the hammer force that pressure transducer is received, and obtain the hammer force size of this time hammering.
8. mould repair according to claim 7 hammers force test method, it is characterised in that:The step(3)Middle selection
Suitable snubber block also needs to the size in view of substantially hammer force,
If hammer force is less than 1KN, the snubber block that shock relieve vent is 3 is selected;
If hammer force is 1-3KN, the snubber block that shock relieve vent is 5 is selected;
If hammer force is more than 3KN, the snubber block that shock relieve vent is 8 is selected;
And the shape of the snubber block is then according to the angle between the angle and back plate and base plate between header board and base plate come really
It is fixed.
9. mould repair according to claim 7 hammers force test method, it is characterised in that:The step(4)Middle hammering
Hammer force during stress corner bracket is more than the response time of sensor action time.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610987666.XA CN106568547B (en) | 2016-11-10 | 2016-11-10 | Mould repair hammers force test device and method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610987666.XA CN106568547B (en) | 2016-11-10 | 2016-11-10 | Mould repair hammers force test device and method |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106568547A true CN106568547A (en) | 2017-04-19 |
CN106568547B CN106568547B (en) | 2019-01-22 |
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JPH07174647A (en) * | 1993-12-17 | 1995-07-14 | Toyoda Mach Works Ltd | Hitting-force monitoring apparatus |
CN202362104U (en) * | 2011-11-01 | 2012-08-01 | 上海工程技术大学 | Impact energy detection device for hydraulic breaking hammer |
CN103048075A (en) * | 2013-01-08 | 2013-04-17 | 浙江大学 | Impact force testing device |
CN203672533U (en) * | 2013-12-20 | 2014-06-25 | 中南大学 | PVDF based drop hammer tester impact force measuring device |
CN105269484A (en) * | 2015-10-14 | 2016-01-27 | 华东光电集成器件研究所 | Circuit mechanical shock test fixing device |
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JPS5582028A (en) * | 1978-12-15 | 1980-06-20 | Matsushita Electric Works Ltd | Shock strength measuring unit |
JPS63159729A (en) * | 1986-12-24 | 1988-07-02 | Mitsubishi Electric Corp | Digital shock load measuring instrument |
JPH07174647A (en) * | 1993-12-17 | 1995-07-14 | Toyoda Mach Works Ltd | Hitting-force monitoring apparatus |
CN202362104U (en) * | 2011-11-01 | 2012-08-01 | 上海工程技术大学 | Impact energy detection device for hydraulic breaking hammer |
CN103048075A (en) * | 2013-01-08 | 2013-04-17 | 浙江大学 | Impact force testing device |
CN203672533U (en) * | 2013-12-20 | 2014-06-25 | 中南大学 | PVDF based drop hammer tester impact force measuring device |
CN105269484A (en) * | 2015-10-14 | 2016-01-27 | 华东光电集成器件研究所 | Circuit mechanical shock test fixing device |
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