CN110208118A - A kind of furniture shock machine - Google Patents
A kind of furniture shock machine Download PDFInfo
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- CN110208118A CN110208118A CN201910600855.0A CN201910600855A CN110208118A CN 110208118 A CN110208118 A CN 110208118A CN 201910600855 A CN201910600855 A CN 201910600855A CN 110208118 A CN110208118 A CN 110208118A
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- cross beam
- hoisting cross
- electric cylinders
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- 230000035939 shock Effects 0.000 title claims abstract description 18
- 238000012360 testing method Methods 0.000 claims abstract description 103
- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 230000003028 elevating effect Effects 0.000 claims abstract description 50
- 238000009527 percussion Methods 0.000 claims abstract description 28
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000004576 sand Substances 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 239000000853 adhesive Substances 0.000 claims abstract description 7
- 230000001070 adhesive effect Effects 0.000 claims abstract description 7
- 230000003139 buffering effect Effects 0.000 claims abstract description 7
- 230000008878 coupling Effects 0.000 claims description 21
- 238000010168 coupling process Methods 0.000 claims description 21
- 238000005859 coupling reaction Methods 0.000 claims description 21
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 5
- 230000003116 impacting effect Effects 0.000 abstract description 6
- -1 link block Substances 0.000 abstract description 3
- 230000001174 ascending effect Effects 0.000 description 6
- 235000004443 Ricinus communis Nutrition 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 240000000528 Ricinus communis Species 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003967 crop rotation Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- 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
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/34—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by mechanical means, e.g. hammer blows
-
- 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
- G01N3/40—Investigating hardness or rebound hardness
- G01N3/48—Investigating hardness or rebound hardness by performing impressions under impulsive load by indentors, e.g. falling ball
-
- 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
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
-
- 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
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- 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
- G01N2203/0032—Generation of the force using mechanical means
-
- 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
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
A kind of furniture shock machine of the invention, including stationary fixture, column, elevating mechanism, hoisting cross beam and percussion mechanism etc., percussion mechanism includes impact bag, counterweight or steel ball or sand, fixed disk, force value sensor, magnechuck, electromagnet block or clutch, connecting rod, buffering adhesive, link block, buffer, guide rod, electric cylinders, floating junction, speed reducer and lift servo motor etc., hoisting cross beam is set to can be carried out lift adjustment by the elevating mechanism in column, to enable percussion mechanism to adjust its test height with the lifting of hoisting cross beam, achieving can be suitble to the test piece to various different heights to test, it is versatile；It comes further through percussion mechanism is equipped with to test piece progress shock-testing, when impacting under bag the surface for falling on test piece and force value sensor sensing is greater than 0 to pressure, lift servo motor in percussion mechanism can according to force value sensor sensing to signal stop working at once, wash out test piece to avoid impact bag.
Description
Technical field
The present invention relates to testing equipment field more particularly to a kind of the furniture such as office seating, sofa and desk can be carried out
The furniture shock machine of shock-testing.
Background technique
Traditional furnishing test machine is the function of no dropping shock test, as Patent No. " 201010149407.2 ",
Patent name is the Chinese invention patent of " fall down test bed of office furniture ", later, occurs some new furniture examinations on the market
Machine is tested, such as the China that notification number is " CN203858088U ", patent name is " a kind of high-precision furniture, which falls, rushes all testing machines "
Patent carries out the test such as crushing resistance, endurance and solidness one to furniture such as the sofas, office seating and desk produced
As be all to sling alluvium using cylinder back and forth to go up and down to carry out shock-testing to furniture, cylinder gone up and down as power source
Movement has an operation precision is low, adjustable height immobilizes to immobilize etc. no with the stamping press size of the cylinder of same model
Foot, causes it to be not only difficult to realize precisely test, the product to different stamping presses, different height can not be also suitble to survey
Examination needs replacing the cylinder of different model, this not only causes to make when its needs tests the furniture of different stamping presses
The operation of user is inconvenient and increases the cost that user buys cylinder, also has the problem of poor universality；And it uses
Cylinder is tested as power source, often occurs being rushed by what cylinder drove during the test when the crushing resistance of furniture is unqualified
Object is hit to wash out, can't the unqualified and stop motion of automatic identification furniture detection, often occur two so as to cause test product
Secondary damage makes the product of test failure reprocess difficulty increase, and the scrappage for eventually leading to product is high, meanwhile, it can not be accurate
Ground is supported to the effective data of the offers such as scientific research institution and enterprise, to increase the production cost of research and development cost and enterprise.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of furniture shock machine, percussion mechanism can be horizontal with lifting
The lifting of beam and the test height for adjusting it, achieving can be suitble to the test piece to various different heights to test, and lead to
It is strong with property；It is further through being provided with percussion mechanism to carry out shock-testing, and the lift servo in percussion mechanism to test piece
Motor can according to force value sensor sensing to pressure data signal at once stop working, to avoid impact bag wash out test work
Part, whole structure design not only measuring accuracy height, good test effect, also significantly reduce the scrappage of product.This
Invention is achieved through the following technical solutions:
A kind of furniture shock machine, including pedestal are respectively arranged with lower margin below four angles of pedestal, and the upper surface of pedestal is set
It is equipped with stationary fixture, the upper surface of stationary fixture is placed with test piece, column, Mei Geli are respectively arranged at left and right sides of pedestal
An elevating mechanism is provided in column, two elevating mechanisms in left and right are horizontally connected with hoisting cross beam, and the middle part of hoisting cross beam is vertical
Percussion mechanism is installed.The top surface of stationary fixture has the groove of certain depth to lower recess, and the groove is for accommodating test piece
Foot or castor, with realize test piece can be limited.The depth of the groove can be according to the difference of required test piece
And flexible setting, it is not limited to 1cm, 2cm, 3cm etc..
Preferably, the percussion mechanism includes impact bag, impact bag is provided with one of counterweight, steel ball and sand etc.
Other counterweights, counterweight and steel ball are respectively arranged with several, and sand can weigh certain according to the difference of testing requirement
Weight, impact the upper surface of bag are provided with fixed disk, are provided with force value sensor the upper surface of in the middle part of fixed disk, force value sensor it is upper
Face is provided with magnechuck mounting plate, and the upper surface of magnechuck mounting plate is equipped with magnechuck, the top setting of magnechuck
Have an electric cylinders mounting plate, electric cylinders mounting plate is fixedly mounted on the upper surface of hoisting cross beam by the first screw, magnechuck mounting plate with
Four angles of electric cylinders mounting plate are vertically connected with connecting rod respectively, and the top of every connecting rod is set with buffering adhesive, the same side
The top of two connecting rods is connected with link block, is provided with buffer in the middle part of link block, extends vertically through in electric cylinders mounting plate
The heart is provided with guide rod, and the upper surface of guide rod is provided with electric cylinders, floating junction is provided with below guide rod, and floating junction is mounted on electricity
Below in the middle part of cylinder mounting plate, the upper surface of electric cylinders are provided with speed reducer, and the upper surface of speed reducer is provided with lift servo motor, float
Electromagnet block or clutch are provided with below connector.
Preferably, each elevating mechanism includes rotating servo motor, the upper surface of rotating servo motor is provided with master
Driving wheel, the side of driving wheel are provided with driven wheel, driving wheel and driven crop rotation gear motion, and the center for extending vertically through driven wheel is set
It is equipped with driving shaft, shaft coupling mounting rack is provided with above driving shaft, the rear and front end of shaft coupling mounting rack passes through the second screw
It is connected and fixed with column, shaft coupling is installed in shaft coupling mounting rack, is provided with lifting slider above shaft coupling mounting rack, hung down
Straight to be provided centrally with ball screw through lifting slider, the upper end of ball screw is connect with column, the lower end of ball screw and
Shaft coupling connection, the front and rear sides of ball screw are respectively arranged with guide post, and the upper end of every guide post is connect with column, every guide post
Lower end connect with shaft coupling mounting rack.
Preferably, the contact position of the every guide post and lifting slider is equipped with guide sleeve.
Preferably, the hoisting cross beam can be carried out elevating movement by elevating mechanism, percussion mechanism passes through hoisting cross beam
It can be carried out elevating movement.
Preferably, the side that each column connect installation with hoisting cross beam is vertically provided with two for hoisting cross beam
The sliding slot moved up and down, the end of hoisting cross beam pass through sliding slot and are fixedly connected by third screw with lifting slider.It is sliding
The Combination Design of slot, elevating mechanism and hoisting cross beam can make it suitable for testing the product of various different heights, versatility
By force.
Preferably, the impact bag can need to be set as wear-resisting, durable canvas bag according to test, but not as
Limit.The shape of impact bag can need to be set as barrel-shaped according to test, and but not limited to this.The sack of impact bag upper end passes through seam
It is fixedly connected by weaving band with fixed disk, and cross support frame is provided in fixed disk, allows a user to according to different surveys
Trial work part is added in it or is reduced the counterweight, steel ball and sand of corresponding weight by the sack of impact bag, can be changed with realizing
The surge for impacting bag, achieving can be suitble to product or test pressure requirements to different products, different size different
Product tested, it is versatile, when carrying out test piece as power source to solve conventionally employed cylinder, the test pressure of cylinder
Power is fixed nonadjustable problem.
Preferably, being provided in the middle part of the lifting slider for the perforative perforation of ball screw, the inner wall of the perforation is set
It is equipped with internal screw thread, ball screw is connected with its external screw thread and the rotation of the internal screw thread of perforation, the fortune of lifting slider and ball screw
Dynamic principle is exactly the motion principle (i.e. feed screw nut's motion principle) of current threaded screw rod and the seat that is screwed, and makes lifting slider
It can be rotated and be connected with the external screw thread of ball screw by its internal screw thread, so that ball screw be enable to drive in forward and reverse rotation
Lifting slider carries out elevating movement.
Preferably, one of three-dimensional side is provided with alternating interface between man and computer, PLC is provided in alternating interface between man and computer
Controller, elevating mechanism and percussion mechanism carry out control connection with PLC controller respectively.Operator passes through alternating interface between man and computer
Energy every test parameter that input control all parts move in PLC controller such as inputs percussion mechanism to each test work
The number of required impact and the height moved up and down according to the height input control elevating mechanism of different product when part is tested
Deng matching elevating mechanism and percussion mechanism and PLC controller and be able to achieve accurately test product, to ensure the survey of product
Spend precision height and good test effect.The specific structure and operation logic of PLC controller have been common knowledges, are no longer solved in detail herein
It releases.PLC controller can be used but be not limited to the programmable controller that brand is VIGOR/ Feng Wei, article No. is 4586.
Preferably, force value sensor is called load cell or weighing sensor, force value sensor can be used but not office
It is limited to the force value sensor that brand is the Kunlun seashore, model BK-2Y.Lift servo motor can be used but be not limited to brand
The servo motor of Hai get, model ACSM110-G04030LZ；Rotating servo motor can be used but be not limited to brand be Nan Jiang,
The rotating electric machine of model 200w1:200.Lift servo motor and rotating electric machine pass through electric wire respectively and are electrically connected with alternating current.
When being tested using this product office seating or sofa, multiple counterweights, multiple steel balls can be packed by impacting in bag
Or other counterweights such as sand of constant weight, preferably, what is be packed into impact bag is multiple steel balls, on the top surface of pedestal
It can also be equipped with sliding rail, be vertically provided in sliding on sliding rail can be to limiting at left and right sides of the furniture such as office seating or sofa
Limit plate, the Combination Design of sliding rail and limit plate can make it suitable for limiting the test piece of different size, lead to again
It crosses side or front and rear sides in sliding rail and is respectively arranged with several limit holes, operator can be by limit plate by the 4th screw
Assembling is fixed with limit hole, after so that limit plate is adjusted on the slide rail to suitable position and is fixed by the 4th screw with limit hole
It can be to limit be fixed at left and right sides of office seating.L-shaped or vertical mirror "L" shaped is set when limit plate main view
It sets.
When being tested using this product the load-bearing capacity of desk, preferably, being packed into impact bag is sand, need
Want operator to set the decrease speed of lift servo motor by PLC controller, enable lift servo motor slowly under
The standard requirements load(ing) point for dropping to desktop, when lift servo motor with slow speed and is being set under the control of PLC controller
When repeating to drop to the standard load(ing) point of desktop in fixed number (such as 2000 times, 3000 inferior), be using sand is packed into after
The weight of impact bag test the load-bearing capacity of desk, when force value sensor senses standard load(ing) point in the number of setting
When the pressure value at place is 0, then firmness, solidness or the hardness test for representing desk are qualified；When lift servo motor is in PLC
It repeats with slow speed and in the number of setting (such as 2000 times, 3000 inferior) to drop to table under the control command of controller
When the standard load(ing) point in face, it is big that force value sensor senses that the pressure value at standard load(ing) point occurs for the first time in the number of setting
When 0, then the firmness or difference of hardness of desk are represented, sagging phenomenon, desk test failure, at this point, power occurs in desk
The signal that value sensor can be sensed is sent to PLC controller, and PLC controller controls lift servo motor after receiving signal
It stops working at once, causes secondary damage to avoid to desktop.
A kind of furniture shock machine of the invention, including pedestal, lower margin, stationary fixture, column, elevating mechanism, lifting
Crossbeam and percussion mechanism, the percussion mechanism include impact bag, counterweight or steel ball or sand, fixed disk, force value sensor, electromagnetism
Sucker mounting plate, magnechuck, electromagnet block or clutch, electric cylinders mounting plate, connecting rod, buffering adhesive, link block, buffer,
Guide rod, electric cylinders, floating junction, speed reducer and lift servo motor.Workpiece to be tested of the invention is made by taking office seats as an example
Illustrate, office seats is placed on the upper surface of pedestal first, it is more by being provided with multiple stationary fixtures in the upper surface of pedestal
Five castors of office seats can be accommodated within by a stationary fixture, make stationary fixture realization can be to the five of office seats
A castor is limited, to prevent it from moving or sliding, meanwhile, distinguish further through in the left and right sides of office seats handrail
It is vertically provided with a limit plate, office seats can further be limited with realizing, to improve its measuring accuracy；When every
When rotating servo motor in a column starts forward and reverse rotation, rotating servo motor can drive the driving wheel being attached thereto to carry out
Forward and reverse rotation, the driving wheel of forward and reverse rotation can drive driven wheel forward and reverse rotation therewith, when driven wheel forward and reverse rotation
Driving shaft forward and reverse rotation therewith can be driven again, and the driving shaft of forward and reverse rotation can drive ball screw therewith by shaft coupling
And forward and reverse rotation makes solid with lifting slider and the ball screw of forward and reverse rotation can drive lifting slider to carry out elevating movement
Surely the hoisting cross beam connected can carry out elevating movement therewith；When ball screw rotates in the forward direction, ball screw can drive lifting
Sliding block makees descending motion, and the lifting slider of descending motion can drive hoisting cross beam to decline therewith, and realizing hoisting cross beam can be to
The lower height for adjusting it；When ball screw reversely rotates, ball screw can drive lifting slider ascending motion, ascending motion
Lifting slider can drive hoisting cross beam to rise therewith, so that hoisting cross beam is realized the height that can be adjusted up it, to make to impact
Device realize can according to the different height of test piece with hoisting cross beam and under the driving of elevating mechanism and flexible modulation its
Test height, that is, achieving can be suitble to the test piece to various different heights to test, to solve to use cylinder at present
Cause it that can not be suitble to carry out the workpiece of different size, different height because its test height can not be adjusted as power source
It is the problem of test, versatile；Since the initial position of impact bag is located in the upper surface of test piece, at this point, force value
The pressure that sensor sensing arrives is 0, and after impact bag is put in the upper surface of test piece, operator passes through alternating interface between man and computer
Elevating mechanism running is controlled, navigate to hoisting cross beam can needed for workpiece test with elevating mechanism and after moving up and down and adjusting
Proper height；When the lift servo electric motor starting in percussion mechanism, lift servo motor, which passes sequentially through speed reducer, can drive electricity
Cylinder carries out elevating movement, and the electric cylinders of elevating movement can drive the guide rod being attached thereto to carry out elevating movement, the guide rod of elevating movement
The floating junction being attached thereto elevating movement therewith can be driven again, enables clutch or electromagnet block with the movement of floating junction
And elevating movement；Clutch or electromagnet are driven when lift servo motor passes sequentially through speed reducer, electric cylinders, guide rod and floating junction
When block drops to the upper surface of magnechuck, at this point, magnechuck can work as lifting together with electromagnet block or clutch magnetic
When servo motor passes sequentially through speed reducer, electric cylinders, guide rod and floating junction drive electromagnet block or clutch reset rising, electromagnetism
Iron block or clutch can be picked up magnechuck using magnetic principle, enable magnechuck with the rising of electromagnet block or clutch
And rise, impact bag can be driven to rise when magnechuck makees ascending motion therewith, during being ramped up with impact bag,
Impact bag by the Weight gravity in it is influenced that the pulling force for pulling downward on magnechuck can be generated, when this pulling force is greater than electromagnetism
When magnetic attraction between iron block or clutch and magnechuck, magnechuck can make to impact with electromagnet block or clutch separation
Bag falls back on the surface of test piece with the separation of magnechuck, when electromagnet block or clutch successively with floating junction,
Guide rod, electric cylinders and speed reducer and after back and forth carrying out n times elevating movement under the driving of lift servo motor, n times refer to test work
The number of required impact when part is qualified products such as 2000 times, 3000 inferior, back and forth passes through n times using impact bag and falls back
Impact force caused by the surface of test piece come test product whether qualified products, when impact bag test work is dropped back under n times
During part surface, when the pressure value that force value sensor senses is 0, then test piece is represented as qualified products；Work as power
When value sensor senses that pressure value is greater than 0 during impacting bag and dropping back into test piece surface down for several times for the first time, then it represents that
Impact bag surface be damaged, crushing resistance test failure, be substandard product, at this point, force value sensor can automatically by
Its information sensed is sent to PLC controller, and PLC controller is received to control after the signal that force value sensor is sent and be risen
Drop servo motor stops operating at once, to avoid test piece continue to be hit the impact force of bag whereabouts influence and cause secondly
Secondary damage, work can not be automatically stopped test piece has been damaged by efficiently solving conventionally employed cylinder as power source
The problem of making not only significantly reduces the scrappage of product, also achieves measuring accuracy height and good test effect, operation
Strong flexibility, and its is more convenient to use, quick.
Detailed description of the invention
The present invention is described in detail by following preferred embodiments and attached drawing for ease of explanation,.
Fig. 1 is a kind of perspective view of furniture shock machine of the invention.
Fig. 2 is a kind of perspective view of the percussion mechanism of furniture shock machine of the invention.
Fig. 3 is a kind of perspective view of the elevating mechanism of furniture shock machine of the invention.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give better embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure
Add thorough and comprehensive.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.
In the present embodiment, referring to figs. 1 to shown in Fig. 3, a kind of furniture shock machine of the invention, including pedestal 1, pedestal
Lower margin 2 is respectively arranged with below 1 four angles, the upper surface of pedestal 1, which is provided with, to limit the workpiece in the face of being placed on it
The stationary fixture 3 of position, the upper surface of stationary fixture 3 are placed with test piece 4, and the left and right sides of pedestal 1 is respectively arranged with column 5,
An elevating mechanism 6 is provided in each column 5, two elevating mechanisms 6 in left and right are horizontally connected with hoisting cross beam 7, hoisting cross beam 7
Middle part be vertically equipped with can to test piece 4 carry out shock-testing percussion mechanism 8.
In one embodiment, the percussion mechanism 8 includes impact bag 81, and impacting in bag 81 can be according to test gravity
Different and other counterweights, the setting of the upper surface of impact bag 81 such as be packed into the sand of multiple counterweights, multiple steel balls or constant weight
There is fixed disk 82, the upper surface of 82 middle part of fixed disk is provided with force value sensor 83, and the upper surface of force value sensor 83 is provided with electromagnetism
Sucker mounting plate 84, the upper surface of magnechuck mounting plate 84 are equipped with magnechuck 85, and the top of magnechuck 85 is provided with electricity
Cylinder mounting plate 86, electric cylinders mounting plate 86 are fixedly mounted on the upper surface of hoisting cross beam 7, magnechuck mounting plate 84 by the first screw
It is vertically connected with connecting rod 87 respectively with four angles of electric cylinders mounting plate 86, the top of every connecting rod 87 is set with buffering adhesive
88, buffering adhesive 88 is arranged in hollow cylindrical shape, and the top of two connecting rods 87 of the same side is connected with link block 89, even
The middle part for connecing block 89 is provided with buffer 891, and extend vertically through electric cylinders mounting plate 86 is provided centrally with guide rod 892, guide rod 892
It is provided with electric cylinders 893 above, floating junction 894 is provided with below guide rod 892, and floating junction 894 is mounted on electric cylinders installation
Below 86 middle part of plate, the upper surface of electric cylinders 893 are provided with speed reducer 895, and the upper surface of speed reducer 895 is provided with lift servo motor
896, clutch or electromagnet block 80 are provided with below floating junction 894.
In one embodiment, each elevating mechanism 6 includes rotating servo motor 60, rotating servo motor 60
It is provided with driving wheel 61 above, the side of driving wheel 61 is provided with driven wheel 62, and driving wheel 61 and driven wheel 62 make gear motion,
Extend vertically through driven wheel 62 is provided centrally with driving shaft 63, and the top of driving shaft 63 is provided with shaft coupling mounting rack 64, shaft coupling
The rear and front end of device mounting rack 64 passes through the second screw respectively and is fixedly connected with column 5, and connection is equipped in shaft coupling mounting rack 64
Axis device 65, the top of shaft coupling mounting rack 64 are provided with lifting slider 66, and extend vertically through lifting slider 66 is provided centrally with rolling
The upper end of ballscrew 67, ball screw 67 is connect with column 5, and the lower end of ball screw 67 is connect with shaft coupling 65, ball screw
67 front and rear sides are respectively arranged with guide post 68, and the upper end of every guide post 68 is connect with column 5, the lower end of every guide post 68 and connection
Axis device mounting rack 64 connects.
In one embodiment, the contact position of the every guide post 68 and lifting slider 66 is equipped with guide sleeve 69.
In one embodiment, the hoisting cross beam 7 can be carried out elevating movement by elevating mechanism 6, and percussion mechanism 8 is logical
Crossing hoisting cross beam 7 can be carried out elevating movement.
In one embodiment, the side that each column 5 connect installation with hoisting cross beam 7 is vertically provided with two
For the sliding slot 51 that hoisting cross beam 7 moves up and down, the end of hoisting cross beam 7 passes through sliding slot 51 and the fixed company of lifting slider 66
It connects.
In one embodiment, which is explained for testing office seats, operation
Process are as follows: office seats (test piece 4) is placed on the upper surface of pedestal 1 first, by being provided in the upper surface of pedestal 1
Five castors of office seats can be accommodated within by multiple stationary fixtures 3, multiple stationary fixtures 3, make multiple stationary fixtures 3
Realization can limit five castors of office seats, and to prevent it from occurring during the test, mobile or that slides shows
As；When the rotating servo motor 60 in each column 5 is actuated for forward and reverse rotation, rotating servo motor 60 can be driven therewith
The driving wheel 61 of connection carries out forward and reverse rotation, and the driving wheel 61 of forward and reverse rotation can drive the forward and reverse rotation therewith of driven wheel 62
Turn, when 62 forward and reverse rotation of driven wheel can drive the forward and reverse rotation therewith of driving shaft 63, the driving shaft 63 of forward and reverse rotation again
The forward and reverse rotation therewith of ball screw 67 can be driven by shaft coupling 65, and the ball screw 67 of forward and reverse rotation can drive and rise
It drops sliding block 66 and carries out elevating movement, the hoisting cross beam 7 being fixedly connected with lifting slider 66 is enable to carry out elevating movement therewith；When
When ball screw 67 rotates in the forward direction, ball screw 67 can drive lifting slider 66 to make descending motion, the lifting slider of descending motion
66 can drive hoisting cross beam 7 to decline therewith, and hoisting cross beam 7 is made to realize the height that can adjust it downwards；When ball screw 67 is anti-
To when rotation, ball screw 67 can drive lifting slider 66 to make ascending motion, and the lifting slider 66 of ascending motion can drive lifting
Crossbeam 7 rises therewith, and hoisting cross beam 7 is made to realize the height that can be adjusted up it, to make the realization of percussion mechanism 8 can be according to survey
The different height of trial work part 4 with hoisting cross beam 7 and under the driving of elevating mechanism 6 and flexible modulation its test height, even if
Its realization can be suitble to test the test piece 4 of various different heights, using solve at present using cylinder as power source because
The problem of its test height can not be adjusted and cause it that the workpiece to different size, different height can not be suitble to test,
Its is versatile；The initial position of impact bag 81 is located on the surface of test piece 4, at this point, force value sensor 83 is felt
The pressure that should be arrived is 0, and after impact bag 81 are put in the upper surface of test piece 4, operator is controlled by alternating interface between man and computer
Elevating mechanism 6 operates, and navigate to hoisting cross beam 7 can needed for workpiece test with elevating mechanism 6 and after moving up and down and adjusting
Proper height；When the lift servo motor 896 in percussion mechanism 8 starts, lift servo motor 896 passes sequentially through speed reducer
895 can drive electric cylinders 893 to carry out elevating movement, and the electric cylinders 893 of elevating movement can drive the guide rod being attached thereto 892 to be gone up and down
The guide rod 892 of movement, elevating movement can drive the elevating movement therewith of floating junction 894 being attached thereto again, make electromagnet block
80 can carry out elevating movement with the movement of floating junction 894；When lift servo motor 896 passes sequentially through speed reducer 895, electric cylinders
893, when guide rod 892 and floating junction 894 drive electromagnet block 80 to drop to the upper surface of magnechuck 85, at this point, electromagnetism is inhaled
Disk 85 can be together with 80 magnetic of electromagnet block, when lift servo motor 896 passes sequentially through speed reducer 895, electric cylinders 893, guide rod
892 and floating junction 894 jointly drive electromagnet block 80 reset rise when, electromagnet block 80 can be inhaled electromagnetism using magnetic principle
Disk 85 picks up, and increase with the rising of electromagnet block 80 magnechuck 85, and magnechuck 85 makees energy when ascending motion
Impact bag 81 is driven to rise therewith, during ramping up with impact bag 81, impact bag 81 is because by the weight in it
The influence of code gravity can generate the pulling force for pulling downward on magnechuck 85, when this pulling force is greater than electromagnet block 80 and magnechuck 85
Between magnetic attraction when, magnechuck 85 can be separated with electromagnet block 80, make impact bag 81 fall with the separation of magnechuck 85
It drops back on the surface of test piece 4, when electromagnet block 80 is successively with floating junction 894, guide rod 892, electric cylinders 893 and speed reducer
895 and after back and forth carrying out n times elevating movement under the driving of lift servo motor 896, n times refer to that test piece 4 produces to be qualified
The number of required impact when product, back and forth falls back test piece 4 by n times using impact bag 81 such as 2000 times, 3000 inferior
Surface caused by impact force come test product whether qualified products, when impact bag 81 drop back into test piece 4 in the case where completing n times
During surface, when the pressure value that force value sensor 83 senses is 0, then representing test piece 4 is qualified products；Work as power
When value sensor 83 senses that pressure value is greater than 0 during impacting bag 81 and dropping back into 4 surface of test piece down for several times for the first time, then
Indicate that the surface of impact bag 81 is damaged, crushing resistance test failure is substandard product, at this point, force value sensor 83
The information that can be sensed automatically is sent to PLC controller, and PLC controller receives the letter sent from force value sensor 83
896 horse back of lift servo motor is controlled after number to stop operating, and is continued to be hit the impact force of the whereabouts of bag 81 to avoid test piece 4
Influence and lead to its secondary damage, not only significantly reduce the scrappage of product, also achieve measuring accuracy height and
Good test effect, operating flexibility is strong, and its is more convenient to use, quick.
A kind of furniture shock machine of the invention, by by pedestal, lower margin, stationary fixture, column, hoisting cross beam,
Impact bag, counterweight or steel ball or sand, fixed disk, force value sensor, magnechuck mounting plate, magnechuck, electromagnet block or
Clutch, electric cylinders mounting plate, connecting rod, buffering adhesive, link block, buffer, guide rod, electric cylinders, floating junction, speed reducer and lifting
Servo motor etc. is applied in combination, and so that hoisting cross beam is can be carried out lift adjustment by the elevating mechanism being located in column, to make to rush
Its test height can be adjusted with the lifting of hoisting cross beam by hitting device, achieve the test that can be suitble to various different heights
Workpiece is tested, versatile；It is further through being provided with percussion mechanism to carry out shock-testing to test piece, when impact fills
The force value sensor set, which is repeated several times to fall in the testing time of impact bag setting, impacts the surface of test piece
During when sensing that pressure is greater than 0 for the first time, the lift servo motor in percussion mechanism can be arrived according to force value sensor sensing
Signal stop working at once, wash out test piece to avoid impact bag, not only efficiently solve conventionally employed cylinder and make
When carrying out test piece for power source, the irreconcilable nonadjustable problem of test pressure of the test height of cylinder also solves and works as
Test piece occur damage after, cylinder still can not stop motion the problem of.
Above-described embodiment, only an example of the present invention, be not for limiting implementation and interest field of the invention,
It is all identical or equivalent as principle described in the claims in the present invention and basic structure, it all falls in the scope of protection of the present invention.
Claims (5)
1. a kind of furniture shock machine, it is characterised in that: including pedestal, be respectively arranged with ground below four angles of pedestal
Foot, the upper surface of pedestal are provided with stationary fixture, and the upper surface of stationary fixture is placed with test piece, and the left and right sides of pedestal is set respectively
It is equipped with column, an elevating mechanism is provided in each column, two elevating mechanisms in left and right are horizontally connected with hoisting cross beam, go up and down
The middle part of crossbeam is vertically equipped with percussion mechanism；The percussion mechanism includes impact bag, and impact bag is provided with counterweight, steel ball and sand
One of son, counterweight and steel ball are respectively arranged with several, and the upper surface of impact bag is provided with fixed disk, upper in the middle part of fixed disk
Face is provided with force value sensor, and the upper surface of force value sensor is provided with the upper surface of magnechuck mounting plate, magnechuck mounting plate
Magnechuck is installed, electric cylinders mounting plate is provided with above magnechuck, electric cylinders mounting plate is fixedly mounted by the first screw
In the upper surface of hoisting cross beam, four angles of magnechuck mounting plate and electric cylinders mounting plate are vertically connected with connecting rod respectively, and every
The top of connecting rod is set with buffering adhesive, and the top of two connecting rods of the same side is connected with link block, sets in the middle part of link block
It is equipped with buffer, extends vertically through the guide rod that is provided centrally with of electric cylinders mounting plate, the upper surface of guide rod is provided with electric cylinders, below guide rod
It is provided with floating junction, and floating junction is mounted below electric cylinders mounting plate middle part, the upper surface of electric cylinders are provided with speed reducer, subtract
The upper surface of fast machine is provided with lift servo motor, and electromagnet block or clutch are provided with below floating junction.
2. a kind of furniture shock machine according to claim 1, it is characterised in that: each elevating mechanism includes rotation
Turn servo motor, the upper surface of rotating servo motor is provided with driving wheel, and the side of driving wheel is provided with driven wheel, driving wheel with from
Driving wheel makees gear motion, extends vertically through the driving shaft that is provided centrally with of driven wheel, and shaft coupling installation is provided with above driving shaft
The rear and front end of frame, shaft coupling mounting rack is connected and fixed by the second screw with column, is equipped with shaft coupling in shaft coupling mounting rack
Device is provided with lifting slider above shaft coupling mounting rack, extends vertically through the ball screw that is provided centrally with of lifting slider, ball
The upper end of screw rod is connect with column, and the lower end of ball screw is connect with shaft coupling, and the front and rear sides of ball screw are respectively arranged with
The upper end of guide post, every guide post is connect with column, and the lower end of every guide post is connect with shaft coupling mounting rack.
3. a kind of furniture shock machine according to claim 2, it is characterised in that: the every guide post and lifting slider
Contact position guide sleeve is installed.
4. a kind of furniture shock machine according to claim 1, it is characterised in that: the hoisting cross beam passes through elevator
Structure can be carried out elevating movement, and percussion mechanism can be carried out elevating movement by hoisting cross beam.
5. a kind of furniture shock machine according to claim 1, it is characterised in that: each column and hoisting cross beam
The side of connection installation is vertically provided with two sliding slots moved up and down for hoisting cross beam, and the end of hoisting cross beam, which passes through, to be slided
Slot is fixedly connected with lifting slider.
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| CN201910600855.0A CN110208118B (en) | 2019-07-05 | 2019-07-05 | Furniture impact testing machine |
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| CN201910600855.0A CN110208118B (en) | 2019-07-05 | 2019-07-05 | Furniture impact testing machine |
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| CN110208118B (en) | 2024-02-13 |
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