CN209656421U - Needle tester - Google Patents

Abstract

A kind of needle tester, is related to needle the field of test technology, including bracket, further includes: placement plate, for placing sample；Pressure sensor, side are fixedly connected with placement plate, and the other side is arranged on the bracket by the first driving member；Needle plate is arranged in fixed beam, fixed beam connects the second driving member for placing needle；And electric control gear, it is arranged on the bracket, for controlling the operation of tester；Wherein, when the placement plate and needle plate do relatively reciprocating motion, needle is back and forth inserted into and extracts out from sample；Or, when the placement plate and needle plate relative motion, needle impact specimen.The utility model is the beneficial effects of the utility model are: can accurately test needle, so as to the active force all-the-time stable position that needle is tested, the simulation of power is more accurate；The tester have it is multi-functional, be able to carry out resiliency test, wear testing, anti-impact force test, temperature rise test, flexural fatigue test, it is counter-bending fracture angle test and fracture test.

Description

Needle tester

Technical field

The utility model relates to needle the field of test technology, especially a kind of needle tester.

Background technique

Have more than 100 years history with the technology of needle production non-woven cloth, it is various new with development in science and technology and technological progress Type needle continues to bring out.But the quality physical property of needle is detected, in addition to using traditional hardness to measure hardness, outside micrometer Outside calliper to measure size and metallographic microscope detection metallographic structure, it there is no special other physical property detecting instruments and set It is standby, comprehensive physical property evaluation and test can not be carried out to various needles, cause to have product standard at present, have Testing index and method, but Test equipment without profession and long-term existence the phenomenon that means, therefore bring following problems:

1, user do not pass through actual use can not determine acanthin amount superiority and inferiority (such as wear-out life, it is anti-fracture and resilience, with Temperature rise caused by cloth cover friction etc.).

It 2, can not be according to Product Process in the case that user does not know the needle physical performance indexs of the various models of each brand It is final that selection is required suitably to use gauge model and brand.

3, needle manufacturer is in the case where not complete means of testing and test equipment, it is difficult to ensure that the qualification of product Rate and further Improving The Quality of Products.

4, the professional of R&D institution, universities and colleges and research and development centre is intended to knit using new material exploitation the non-of new function When making product, it cannot be accurately obtained active force when puncturing web of every needle or whole plate needle and web is generated Effect.

5, needle user dare not by all brought into play using the function and efficiency of needle.

In addition, recording following test method in " People's Republic of China's textile industry standard " FZ/T93048-2010: first First pricker shank overall length is fixed, is applying vertical external force at the certain position of fulcrum, the needle point of pricker is mobile certain Distance, keep the external force regular hour after, shed additional active force, then measure amount of plastic deformation.It is outer in this method Power can be as in the swing moving process of pricker, pricker can generate sliding with external force pressure head, and position generates offset.

Utility model content

The purpose of this utility model is to devise a kind of needle test to realize comprehensive accurate test to tested sample needle Instrument.

To achieve the goals above, the technical solution of the utility model is a kind of needle tester, including bracket, further includes: Placement plate, for placing sample；Pressure sensor, side are fixedly connected with placement plate, and the other side is arranged by the first driving member In on the bracket；Needle plate is arranged in fixed beam, fixed beam connects the second driving member for placing needle；And automatically controlled dress It sets, is arranged on the bracket, for controlling the operation of tester；Wherein, when the placement plate does relatively reciprocating motion with needle plate When, needle is back and forth inserted into and extracts out from sample；Or, when the placement plate and needle plate relative motion, needle impact specimen.

It further, further include the elastic bending fatigue test device being arranged on bracket, the elastic bending fatigue is surveyed It includes: fixed station that trial assembly, which is set, is arranged on the bracket, and fixed pin is used for；And rotary components, it is arranged on the bracket, The arc power of swing is provided when the rotary components rotate for needle.

Further, the rotary components include: turntable, are arranged on the bracket；And shifting part, fixed setting In on the turntable, needle is acted on.

Further, the lock chamber and movable chamber of intersection are equipped in the fixed station, the lock chamber is used for fixed pin, Conductive rod is equipped in movable chamber in the fixed station；One end of the conductive rod is fixedly connected with one end, another of the first conducting wire Rectify the lock chamber to the fixed station；The shifting part is electric conductor, and one end of the shifting part is fixedly connected with the second conducting wire One end, the other end of first conducting wire and the other end of the second conducting wire are connect with the positive and negative anodes of power supply respectively.

It further, further include compressed spring, the compressed spring is set in the movable chamber of the fixed station, described One end of compressed spring is fixed, the other end offsets with the conductive rod.

It further, further include dial, the dial is fixedly installed in the fixing seat, the dial The extended line of graduation mark comes together in a bit, which is the swing point for being fixed on needle on the fixed station.

It further, further include the first swing rod, for rotary setting on the bracket, first swing rod is equipped with a pair Straight trough mouth, the straight trough mouth are located at the two sides of the first swing rod rotation center；Second swing rod, rotary setting on the turntable, One end connects turntable by pressure spring 8012；First push rod is slideably positioned on the bracket, and one end is set to institute by pin shaft It states in the straight trough mouth of the first swing rod, the other end is opposite with second swing rod；Second push rod is slideably positioned on the bracket, One end is set in the straight trough mouth of first swing rod by pin shaft, and the other end is opposite with second swing rod, the first push rod The two sides for being set to the first swing rod rotation center are respectively corresponded with the second push rod；Third push rod is slideably positioned in described turn In disk, one end is set in the straight trough mouth of second swing rod by pin shaft；Fixture block is fixedly installed on the third push rod The other end stirs needle reciprocally swinging with the shifting part respectively；The shifting part and fixture block are separately positioned on the two sides of needle.

Further, first driving member includes: the first power device, is set on bracket, is used to provide power；The One transmission shaft is connect by synchronous belt with first power device；And worm-gear speed reducer, the worm and gear subtract The scroll bar of fast machine and the first transmission axis connection, the worm gear shaft of the worm-gear speed reducer are connect with the placement plate.

Further, the worm-gear speed reducer is at least a pair of, and each pair of worm-gear speed reducer is oppositely arranged At the both ends of first transmission shaft.

It further, further include peel plate, the peel plate is set between the placement plate and needle plate, the peel plate Equipped with through-hole corresponding with needle plate.

Further, the peel plate is arranged on the bracket by third reciprocating mechanism, and the third is past Multiple movement mechanism is fixedly installed on the bracket, and the third reciprocating mechanism is lifting motor.

Further, second driving member includes: the second guide sleeve, is fixedly installed on the bracket；Second guide rod is sliding Dynamic to be set in second guide sleeve, one end is connect with the fixed beam；Main shaft, rotary setting on the bracket, and with The connection of main servo power device；Eccentric wheel is fixedly installed on the main shaft；And second joining beam, one end and described second Guide rod is hinged, and the other end is hinged with the eccentric wheel.

It further, further include the display being connect respectively with electric control gear, infrared thermometer, electron image measuring instrument And combined aural and visual alarm；The display is arranged on the bracket, for showing；The infrared thermometer is set to the branch On frame, for measuring the temperature of tested sample needle；The electron image measuring instrument is arranged on the bracket, for measuring needle； The combined aural and visual alarm is arranged on the bracket, and is electrically connected respectively with pressure sensor, display, electric control gear, for non- The alarm of normal work.

Further, the needle plate is equipped with dress pin hole, and using the dress pin hole as endpoint, sample movement opposite direction infinitely prolongs It is non-intersecting that length is formed by ray.

Further, the dress pin hole is equipped with array, and dress pin hole described in every group is obliquely installed.

Further, dress pin hole described in every group is arranged in broken line or camber line.

Further, the needle plate includes substrate and elastic layer interconnected, and the upper of substrate is arranged in the elastic layer Side.Elastic layer is equipped with guide slot, the setting dress needle circular hole in guide slot, in order to fix needle.

Further, the two sides of the placement plate are equipped with the roller for placing sample, and the roller rotary setting is in the bottom On seat.

Further, the pedestal is slideably positioned on the bracket.

The beneficial effects of the utility model are: devising a kind of professional test instrument, needle can accurately be tested, so that To the active force all-the-time stable position that needle is tested, the simulation of power is more accurate；The tester have it is multi-functional, be able to carry out Resiliency test, wear testing, anti-impact force test, temperature rise test, flexural fatigue test, counter-bending fracture angle test and fracture Test.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the application tester；

Fig. 2 is the use state diagram of the application tester；

Fig. 3 is the structural schematic diagram of the application needle plate, wherein dress pin hole described in every group is obliquely installed；

Fig. 4 is the structural schematic diagram of the application needle plate, wherein dress pin hole broken line setting described in every group；

Fig. 5 is the schematic cross-sectional view of the application needle plate；

Fig. 6 is the use state diagram of the application needle tester, wherein sample a is hardness test block；

Fig. 7 is the structural schematic diagram of the application elastic bending fatigue test device；

Fig. 8 is the cross-sectional view in Fig. 7 at H-H, wherein the first swing rod is in O point position；

Fig. 9 is the cross-sectional view in Fig. 7 at H-H, wherein the first swing rod is in the direction D1 position；

Figure 10 is the cross-sectional view in Fig. 7 at H-H, wherein the first swing rod is in the direction D position.

In above each figure, 1, bracket；2, placement plate；3, pressure sensor；

4, needle plate；401, pin hole is filled；402, substrate；403, elastic layer；

5, the first driving member；501, the first power device；502, the first transmission shaft；503, worm-gear speed reducer；

6, fixed beam；

7, the second driving member；701, the second guide sleeve；702, the second guide rod；703, main shaft；704, eccentric wheel；705, second Bar；706, main servo power device；707, shaft coupling；708, shaft；709, support frame；

8, elastic bending fatigue test device；801, fixed station；802, rotary components；8021, turntable；8022, shifting part； 803, conductive rod；804, compressed spring；805, dial；806, the first swing rod；807, the second swing rod；808, the first push rod； 809, the second push rod；8010, third push rod；8011, fixture block；8012, pressure spring；

9, peel plate；10, third reciprocating mechanism；11, display；12, infrared thermometer；13, electron image is surveyed Measure instrument；14, roller；15, pedestal；16, combined aural and visual alarm；A, sample；B, needle.

Specific embodiment

Further to illustrate that the utility model is the technical means and efficacy reaching predetermined purpose of utility model and being taken, Below in conjunction with attached drawing and preferred embodiment, to foundation specific embodiment of the present utility model, structure, feature and its effect, in detail Carefully it is described as follows:

The wear-resisting loss life test form of tested sample needle have it is one or more, such as standard pattern cloth, normal sand disc type, It is mixed with the polishing belt for the material that rubs.Single Fiber or two or more fiber combined systems can be used in standard testing sample cloth, can also use Multilayer difference web superimposion standard, the monofilament composite filament that unlike material can also be added among test specimens cloth are made, Can also among sample cloth or surface add woven fabric, looped fabric or knitted fabric and various films.

A kind of needle tester, as shown in Figures 1 to 10, including bracket 1, placement plate 2, pressure sensor 3, needle plate 4 and electricity Control device.

As shown in Figure 1, bracket 1 is for installing and supporting use.Placement plate 2 is for placing sample, such as emery disc, cloth, hardness examination Block and sand belt etc..

The side of pressure sensor 3 is fixedly connected with placement plate 2, and the other side of pressure sensor 3 passes through the first driving member 5 It is arranged on bracket 1.As shown in Figure 1, the top of pressure sensor 3 is fixedly connected with placement plate 2, increased power meeting in placement plate 2 It is passed on pressure sensor 3；The lower section of pressure sensor 3 is fixedly connected with the first driving member 5, can by the first driving member 5 Control placement plate 2 pumps.Or the lower section of pressure sensor 3 is fixedly connected with placement plate 2, it is increased under placement plate 2 Power can be passed on pressure sensor 3；The top of pressure sensor 3 is fixedly connected with the first driving member 5, passes through the first driving member 5 controllable placement plates 2 pump.

Needle plate 4 is arranged in fixed beam 6 for placing needle b, needle plate 4, and fixed beam 6 connects the second driving member 7.Here, excellent Choosing, the setting dress pin hole 401 on needle plate 4, to fill pin hole 401 as endpoint, sample movement opposite direction indefinite extension is formed by Ray is non-intersecting.In figs. 3 and 4, sample is moved along in shown position along up and down direction.It fills pin hole 401 and is equipped with number Group, as shown in figure 3, there is five assembling pin holes 401, every assembling pin hole 401 is obliquely installed.Or as shown in figure 4, every assembling pin hole 401 It is arranged in broken line.Every assembling pin hole 401 can also be arranged in camber line.The set-up mode can guarantee the tested needle b of heel row The front-seat needle tracking pierced is not repeated, to guarantee that the test condition of every piece of needle b is consistent.Preferably, as shown in figure 5, needle plate 4 wraps Substrate 402 and elastic layer 403 interconnected are included, the top of substrate 402 is arranged in elastic layer 403, and elastic layer 403 can play The effect that needle b is held tightly.Elastic layer 403 is equipped with guide slot 404, the setting dress pin hole 401 in guide slot 404, convenient for placing Needle b.

Electric control gear is arranged on bracket 1, for controlling the operation of tester.About electric control gear, according to practical survey It tries the difference of instrument and different, refers to all electric control structures, PLC, computer and single-chip microcontroller dispatch control system can have at information Reason and store function.

For the attribute of sample a, when sample can penetrate, such as cloth, emery disc and sand belt, placement plate 2 and 4 phase of needle plate When to moving back and forth, needle b is back and forth inserted into and extracts out from sample a.Herein placement plate 2 and needle plate 4 do relatively reciprocating motion be divided into Lower three kinds of situations: the movement of the first driving member 5, the second driving member 7 are static；First driving member 5 is static, the movement of the second driving member 7；The The movement of one driving member 5, the movement of the second driving member 7.It realizes and puts by being mutually shifted for the first driving member 5 and the second driving member 7 Doing relatively reciprocating motion for plate 2 and needle plate 4 is set, similarly hereinafter.With reference to Fig. 6, when needle b can not be penetrated, such as hardness test block, work as placement plate 2 with 4 relative motion of needle plate when, needle b impact specimen a.During aforesaid operations, needle b indirectly applies pressure sensor 3 and makees Firmly, so that pressure sensor 3 measures the active force.Above-mentioned first driving member 5 and the second driving member 7 are when static It waits, is equivalent to static element；First driving member 5 and the second driving member 7 are equivalent to movement parts when movement.

Movement how is realized about above-mentioned first driving member 5 and the second driving member 7, and the application respectively provides a kind of optimal skill Art scheme can also take other schemes.

As shown in Figure 1, the first driving member 5 includes the first power device 501, the first transmission shaft 502 and worm and gear slow down Machine 503.First power device 501 is arranged on bracket 1, which is used to provide power.First transmission shaft 502 are connect by synchronous belt with the first power device 501.The scroll bar of worm-gear speed reducer 503 and the first transmission shaft 502 connect It connects, the worm gear of worm-gear speed reducer 503 is connect with placement plate 2.Since placement plate 2 has certain length, therefore need at least A pair of of pressure sensor 3 supports, here it is possible to which the worm-gear speed reducer 503 of at least a pair of opposing is arranged, this is to snail Worm and gear speed reducer 503 is oppositely arranged on the both ends of the first transmission shaft 502.Servo motor can be used in first power device 501, can To realize fine motion or quick rotation, to realize the lifting of pressure sensor 3, the i.e. lifting of placement plate 2.

Such as Fig. 1 and Fig. 2, the second driving member 7 includes the second guide sleeve 701, the second guide rod 702, main shaft 703,704 He of eccentric wheel Second joining beam 705.Second guide sleeve 701 is fixed on bracket 1.Second guide rod 702 is slidably arranged in the second guide sleeve 701, Second guide sleeve 701 sliding the second guide rod 702 of constraint.One end of second guide rod 702 is connect with fixed beam 6, passes through the second guide rod 702 Reciprocating motion realize fixed beam 6 reciprocating motion.Main shaft 703 is rotatably provided on bracket 1, is arranged on main shaft 703 and is synchronized Wheel, is connect using the synchronizing wheel with main servo power device 706.In figure, main servo power device 706 is connected by shaft coupling 707 It is connected in shaft 708, synchronizing wheel is set in the shaft 708, synchronizing wheel is connect with synchronizing wheel using belt.Here, 708 He of shaft Main shaft 703 is arranged in parallel, and main shaft 703 is arranged on bracket 1 by a pair of supporting 709.Eccentric wheel 704 is fixed at main shaft On 703.One end of second joining beam 705 is hinged with the second guide rod 702, and the other end and eccentric wheel 704 of the second joining beam 705 are hinged It connects.Moving back and forth up and down for fixed beam 6 is realized by control main servo power device 706.

When needle b is extracted out from sample, there is a possibility that taking sample out of.Peel plate 9 is devised, peel plate 9 is arranged Between placement plate 2 and needle plate 4, peel plate 9 is equipped with through-hole corresponding with needle plate 4, passes through the through-hole on the needle b on needle plate 4 Across peel plate 9, sample is blocked using peel plate 9 to realize, thus during realizing that needle b is extracted out from sample, by sample The effect stripped down from needle b.The peel plate 9 is arranged on bracket 1 by third reciprocating mechanism 10, and third is back and forth transported Motivation structure 10 is fixed on bracket 1, and lifting motor can be selected in third reciprocating mechanism 10.When in use, peel plate 9 can To be moved on sample before needle b extraction, terminates in extraction and then selectively lift peel plate 9.Third is past Multiple movement mechanism 10 can also adjust the distance between peel plate 9 and placement plate 2 according to the difference of sample used.

It further include display 11, the infrared thermometry being connect respectively with electric control gear for the performance of intelligent test needle b Instrument 12, electron image measuring instrument 13 and combined aural and visual alarm 16；Display 11 is set on bracket 1, for showing；Infrared thermometry Instrument 12 is set on bracket 1, for measuring the temperature of tested sample a needle；Electron image measuring instrument 13 is set on bracket 1, is used In measurement needle b；Combined aural and visual alarm 16 is set on bracket 1, is electrically connected respectively with pressure sensor, display, electric control gear, is used In the alarm of non-normal working.

The utility model is equipped with combined aural and visual alarm 16 on bracket, and combined aural and visual alarm 16 and pressure sensor, control cabinet connect It is logical.It is not installed in place when equipped with the needle plate of needle, with the through-hole in placement plate not to timing, needle is caused to be inserted in other than placement plate hole, The power that pressure sensor measures can be sounded an alarm beyond the setting value allowed, triggering combined aural and visual alarm 16 etc., and power control cabinet issues tight Anxious halt instruction, tester autostop.When operator is because of negligence, instruction errors are caused, needle plate is offside with supporting plate It does relatively reciprocating motion when colliding, when the pressure that pressure sensor measures is beyond the setting value allowed, triggering alarm is simultaneously issued Alarm, power control cabinet issue emergency shutdown instruction, tester autostop.When needle plate, stripping web plate, it is strayed into foreign matter between placement plate When, the power that pressure sensor measures can trigger combined aural and visual alarm 16 and sound an alarm, power control cabinet issues beyond the setting value allowed Emergency shutdown instruction, tester autostop.These be all to protect needle, standard testing sample cloth and instrument itself to greatest extent and The requisite measure of setting.

On the basis of the above, elastic bending fatigue test device 8 has also been devised on bracket 1.As shown in fig. 7, the elasticity Bending fatigue test device 8 includes fixed station 801 and rotary components 802.Fixed station 801 is arranged on bracket 1, fixed station 801 For fixed pin b.Rotary components 802 are arranged on bracket 1, provide the arc power of swing when rotary components 802 rotate for needle b. The arc power has the effect that be rotated under the action of arc power even if needle b, and position of the arc power on needle b is as far as possible Remain unchanged.

About rotary components 802, following scheme can be used.Rotary components 802 include turntable 8021 and shifting part 8022.Turn Disk 8021 is arranged on bracket 1, which can pass through servo motor or manual drive.About the shape of turntable 8021, It can take many forms, such as round shape, rod-shaped or fan shape.Shifting part 8022 is fixed on turntable 8021, shifting part 8022 act on needle b.Since shifting part 8022 needs to contact with needle b, therefore the contact position of shifting part 8022, that is, connect with needle b The position of touching is arranged to arcuation, improves needle b during rotation, and shifting part 8022 needs and the contact effect of needle b.

Shifting part 8022 and fixture block 8011 are separately positioned on the two sides of needle b.In order to measure the swing situation of needle b, devise Following two sets of reference schemes.

First, being equipped with the lock chamber and movable chamber of intersection in fixed station 801, the two is arranged in " T-shaped shape ", and lock chamber is used Conductive rod 803 is equipped in movable chamber in fixed pin b, fixed station 801.One end of conductive rod 803 is fixedly connected with the first conducting wire One end, other end face fixed station 801 lock chamber.Shifting part 8022 is electric conductor, and one end of shifting part 8022 is fixed to be connected Connect one end of the second conducting wire, the other end of the other end of the first conducting wire and the second conducting wire is connect with the positive and negative anodes of power supply respectively.This When the effect at place is that shifting part 8022 and needle b is contacted, it is capable of forming the circuit of closure, convenient for the bending of accurate testing needle b Angle.On the basis of the above, compressed spring 804 is devised, compressed spring 804 is arranged in the movable chamber of fixed station 801, compression One end of spring 804 is fixed, the other end and conductive rod 803 offset, and to guarantee that conductive rod 803 contacts always with needle b, forms closure Electrical circuit.The program is used for automatically controlled measurement.

Second, devising dial 805, dial 805 is fixed in fixing seat, the graduation mark of dial 805 Extended line comes together in a bit, which is the swing point for being fixed on needle b on fixed station 801.The program is used for manual measurement.

As needle b Fatigue Cracking Test when, need clockwise and anticlockwise both direction control rotary components 802.This Application provides following design scheme.

As shown in Fig. 8 to Figure 10, the first swing rod 806 is rotatably provided on bracket 1, and the first swing rod 806 is equipped with a pair of straight Notch, straight trough mouth are located at the two sides of 806 rotation center of the first swing rod, and the first swing rod 806 can be swung between D to D1.Second pendulum Bar 807 is rotatably provided on turntable 8021, and one end is connected on turntable 8021 by pressure spring 8012, outer due to pressure spring 8012 Side does not have fixing sleeve, therefore when pressure spring 8012 is just put, active force is applied to the second swing rod 807, the second swing rod 807 is extremely easy to happen Rotary motion.First push rod 808 is slidably arranged on bracket 1, and one end of the first push rod 808 is arranged by pin shaft in the first swing rod In 806 straight trough mouth, the other end of the first push rod 808 and the second swing rod 807 are opposite；Second push rod 809 is slidably arranged in bracket 1 On, one end of the second push rod 809 is arranged in the straight trough mouth of the first swing rod 806 by pin shaft, the other end of the second push rod 809 with Second swing rod 807 is opposite, and the first push rod 808 and the second push rod 809 respectively correspond and be arranged in the two of 806 rotation center of the first swing rod Side.When swinging the first swing rod 806, the first push rod 808 and the second push rod 809 can generate movement, one of them, which can be entered, turns In disk 8021.Similar to the first push rod 808 and the second push rod 809, third push rod 8010 is slidably arranged in turntable 8021, third One end of push rod 8010 is arranged in the straight trough mouth of the second swing rod 807 by pin shaft.Fixture block 8011 is fixed at third push rod 8010 other end stirs tested test point b reciprocally swinging with shifting part 8022 respectively.

In addition, the two sides of placement plate 2 are equipped with the roller 14 for placing sample a, and 14 rotary setting of roller is in pedestal with reference to Fig. 2 On 15, two rollers 14 can folding and unfolding wheel each other.On this basis, pedestal 15 is slidably arranged on bracket 1, when the width of sample a When smaller or single needle b is detected, it can play the role of adjusting sample a.

One, the selection test of needle b

When carrying out selection test to needle b, needle b is first preferably indicated into coding, such as utilizes etching laser machining or patch；Its Secondary to carry out every dimensional measurement to it using electron image measuring instrument 13, taking pictures picture and achieves；It determines and tests then according to needle b Project and testing sequence, and setting instruction in the controls, instruction are completed.Start instrument test, control needle b makees reciprocal fortune It is dynamic, realize that it is back and forth inserted into and extracts out in sample a, the time and frequency information of movement will be transmitted in electric control gear, press The information measured can also be transmitted to automatically controlled by force snesor 3, electron image measuring instrument 13, display 11 and infrared thermometer 12 In device.

Depth of needling is calculated by the distance between placement plate 2 and needle plate 4；Punch frequency is the reciprocating frequency of needle b Rate is calculated by the first driving member 5 and the second driving member 7；Needle thorn step pitch is when pumping every time, sample a operation away from From by sample a moving distance and the reciprocating frequency of needle b calculate；Needle thorn resistance is measured by pressure sensor 3；Sample a Surface temperature includes that environment temperature, humidity are measured by infrared thermometer 12；Infrared thermometer 12: production low-melting fiber When, pricker and when fiber reciprocating friction, generate heat when such as gynophore thorn, cause low-melting fiber in melting or semi-molten state, just Low-melting fiber structure can be made to damage, can also make to stick on needle body in the low-melting fiber of melting or semi-molten state, make It is increased at needle thorn resistance, pricker can not tangle to web, and the physical index of product is not up to standard, can not produce qualified production Product.Above content and test beginning and ending time are shown on the display screen 11 on the outside of electric control gear, and the property of can choose beats result Print, duplication or long-range conveying preferably go out the optimum pricker of material for the sample for the test data.

Two, the wear testing of needle b

When carrying out wear test to needle b, stylus examination instrument can carry out the test of single piece of needle b, can also be simultaneously to same type Number more pieces of needle b tested, and the test condition of more pieces of needle b is identical.The test of needle b has repeatable well Property.Because their test program, test condition and various data be stored be it is identical, make same needle survey in different time When examination, previous test program need to only be recalled from electric control gear.

Sample a is placed in placement plate 2, when punch frequency reaches setting value, initial survey is measured by pressure sensor 3 The needle thorn power arrived, can be used as feed increcement maximum value, and shown and storage.As the extension and needle b of testing time is back and forth pierced Several increases, the needle point of needle b, acicular hook can all be worn, the needle of this hour hand b pierces force failure, to the fibre matting power in sample Also it can reduce, at this moment the data measured can be transmitted to electric control gear in real time by pressure sensor 3, and display screen 11 automatically generates Line Chart With digital table.When being such as lower than maximum value 50% or more when needle thorn power drops to certain numerical value, tester stops test, and Image comparison is carried out by electron image measuring instrument 13 to this needle b for participating in wear test one by one and DATA REASONING compares.

The wear testing can use emery disc instead of standard sample a, and to shorten the wear testing time, the material of the emery disc can It is made of metal, plastics, timber, ceramics, glass, paper pulp etc., test is not only traditional sand with sand, including various It can be used to graininess, the powdery, pasty masses of the different meshes of grinding and polishing.Operation and test method step are same as above, and can also be incited somebody to action Test result is displayed on the screen, and can also copy disk, printing and transmission.

Three, the anti-impact force test of needle b

When needle b carry out anti-impact force test, other sample a are removed, place standard hardness test block in placement plate 2, Start electric control gear, moves down needle b slowly at the uniform velocity with needle plate 4, after touching standard hardness test block, 3 meeting of pressure sensor The power measured is transferred to electric control gear, and the synchronous linear graph and data drawing list that generation is shown on display screen 11 in real time, with The increase of pressure between needle b and standard hardness test block, when needle b increases fracture failure because of pressure, measured power is needle b Maximum anti-impact force.

Four, the resilience test of needle b

Needle b is clamped in the lock chamber of fixed station 801, passes through the touch screen setting bending corner connecting with electric control gear Distance, number and revolving speed.The start key shown by touch screen, turntable 8021 starts slow rotation clockwise, when shifting part 8022 When touching needle b, low-voltage safety electric current forms electrical circuit through needle b and the connection of conductive rod 803, at this point, this test macro can default this Point is test " zero point " or " starting point ".Such movement is in triplicate, errorless with confirmation " zero point ", if zero point numerical value is super three times The error allowed out, test macro can be automatically stopped test and the text prompt on display screen 11 in next step: please reaffirm needle b Whether fixation, if continue to test

When manipulator's confirmation needle b fixation, press in next step, turntable 8021 is by preset corner and apart from up time Needle rotation carries out resilience test.When making resilience test, the revolving speed of turntable 8021 be it is steady slowly at the uniform velocity, this movement can It is set as primary or multiple according to test order, after needle b turns to the angular distance position of setting, kept for 3 seconds or more；When After completing test by sets requirement, turntable 8021 returns to some point of A point or more, and shifting part 8022 leaves needle b, that is, disconnects electricity Stream；Then shifting part 8022 is slowly pushed again, when this, which is slowly pushed, contacts simultaneously conducting electric current with needle b, bending revolution Disk 17 stops operating, and generates a numerical value, and the difference of this numerical value and the zero point formerly confirmed is that the resilience of needle b refers to Mark.

Five, the anti-angle test that fractures of needle b

When to needle b carry out it is anti-fracture angle test when, shifting part 8022 first determines " zero point ", and shifting part 8022 slowly makees circular arc Movement.When shifting part 8022 is contacted with needle b, electric current can be connected, this position is " zero point ", and shifting part 8022 continues around circle at this time Heart O1 point pushes, until needle b is broken current interruptions, 8022 stop motion of shifting part.The numerical value generated at this time is the anti-folding of needle b The value of the angle of rupture.It equally can also be recorded by instrument storage and provide linear graph and tables of data.

Six, the crooked fatigue fracture test of needle b

When needle b carries out crooked fatigue fracture test, shifting part 8022 first confirms that " zero point " accuracy, then by servo The first swing rod of motor driven 806, the first push rod 808 and the second push rod 809 are with the center of circle of the first swing rod 806 from " O point " to " D point " It swings, in this role, the second push rod 809 moves forward, and fixture block 8011 is released turntable 8021, and in the effect of pressure spring 8012 Under power, fixture block 8011 will not generate displacement easily.After fixture block 8011 is pushed out, the first swing rod 806 returns to " O point ", and second pushes away Bar 809 retracts original position.When fixture block 8011 and shifting part 8,022 one " jaw " of composition of release, needle b is clipped among " jaw ", " jaw " is that the center of circle is reciprocating with " the O1 point " that is bent rotary disk: it is rotated clockwise to C point, rotates counterclockwise to C1 point, To needle b alternating bending, C point, C1 point and number of bends are set by test order.When needle b is because of crooked fatigue fracture, stir Electric current between part 8022 and conductive rod 803 disconnects, which terminates.Its bending angle tested, corner frequency, bending time The data such as number are stored record.At this point, the first swing rod 806 is swung to the position D1, the first push rod 808 of driving is pushed forward, and first pushes away Second swing rod, 807 one end is pushed forward by bar 808, and the second swing rod 807 swings to the other side, the second swing rod under the action of pressure spring 8012 After 807 other end drives fixture block 8011 to be retracted into turntable 8021, the first swing rod 806 is back to " O ".

Needle b fracture needs repeatedly to swing, therefore servo motor is utilized to drive turntable 8021, can reduce the testing time.

Further include the display 11 being connect respectively with electric control gear, infrared thermometer 12, electron image measuring instrument 13 and Combined aural and visual alarm 16；Display 11 is set on bracket 1, for showing；Infrared thermometer 12 is set on bracket 1, is used for Measure the temperature of tested sample a needle；Electron image measuring instrument 13 is set on bracket 1, for measuring needle b；Combined aural and visual alarm 16 It is set on bracket 1, is electrically connected respectively with pressure sensor, display, electric control gear, the alarm for non-normal working.

The device of the utility model can be only used for the test equipment of the multiple performance of various needles, can be used for non-woven The on-line checking of needle used in equipment in object actual production process.The sample of the utility model can be standard sample, various fibers Manufactured non-woven fabric or other materials.The electric control gear of the utility model is the control device of numerical control field routine, according to not Same test index and purpose, those skilled in the art can flexibly select.

The utility model is described above with reference to preferred embodiment, but the protection scope of the utility model is not Limited to this can carry out various improvement and can be with equivalent without departing from the scope of the invention to it Object replaces component therein, as long as structural conflict is not present, items technical characteristic mentioned in the various embodiments can appoint Meaning mode combines, and any reference signs in the claims should not be construed as limiting the involved claims no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive.Therefore, any right that falls into is wanted All technical solutions in the range of asking are within the protection scope of the present utility model.

Claims (10)

1. a kind of needle tester, including bracket (1), which is characterized in that further include:

Placement plate (2), for placing sample (a)；

Pressure sensor (3), side are fixedly connected with placement plate (2), and the other side is set to the branch by the first driving member (5) On frame (1)；

Needle plate (4) is arranged on fixed beam (6), fixed beam (6) connects the second driving member (7) for placing needle (b)；And

Electric control gear is set on the bracket (1), for controlling the operation of tester；

Wherein,

When the placement plate (2) and needle plate (4) do relatively reciprocating motion, needle (b) is back and forth inserted into and extracts out from sample (a)；

Or, when the placement plate (2) and needle plate (4) relative motion, needle (b) impact specimen (a).

2. needle tester according to claim 1, which is characterized in that first driving member (5) includes:

First power device (501) is set on bracket (1), is used to provide power；

First transmission shaft (502) is connect by synchronous belt with first power device (501)；And

Worm-gear speed reducer (503), the scroll bar of the worm-gear speed reducer (503) and first transmission shaft (502) are even It connects, the worm gear shaft of the worm-gear speed reducer (503) is connect with the placement plate (2).

3. needle tester according to claim 2, which is characterized in that second driving member (7) includes:

Second guide sleeve (701) is fixedly installed on the bracket (1)；

Second guide rod (702) is slideably positioned in second guide sleeve (701), and one end is connect with the fixed beam (6)；

Main shaft (703), rotary setting are connect on the bracket (1) with main servo power device 706；

Eccentric wheel (704) is fixedly installed on the main shaft (703)；And

Second joining beam (705), one end are hinged with second guide rod (702), and the other end and the eccentric wheel (704) are hinged It connects.

4. needle tester according to claim 3, which is characterized in that further include the elastic bending being arranged on bracket (1) Fatigue test device (8) comprising:

Fixed station (801) is set on the bracket (1), is used for fixed pin (b)；And

Rotary components (802) are set on the bracket (1), and rotary components (802) rotation Shi Weizhen (b) provides swing Arc power；

The rotary components (802) include:

Turntable (8021) is set on the bracket (1)；And

Shifting part (8022) is fixedly installed on the turntable (8021), acts on needle (b)；

The lock chamber and movable chamber of intersection are equipped in the fixed station (801), the lock chamber is used for fixed pin (b), described solid Determine to be equipped with conductive rod (803) in the movable chamber in platform (801)；One end of the conductive rod (803) is fixedly connected with the first conducting wire The lock chamber of fixed station (801) described in one end, other end face；The shifting part (8022) is electric conductor, the shifting part (8022) one end is fixedly connected with one end of the second conducting wire, the other end of first conducting wire and the other end difference of the second conducting wire It is connect with the positive and negative anodes of power supply；

Elastic bending fatigue test device (8) further includes compressed spring (804), and the compressed spring (804) is set to described solid In the movable chamber for determining platform (801), one end of the compressed spring (804) is fixed, the other end offsets with the conductive rod (803)；

Elastic bending fatigue test device (8) further includes dial (805), and the dial (805) is fixedly installed on fixing seat On, the extended line of the graduation mark of the dial (805) comes together in a bit, which is to be fixed on needle on the fixed station (801) (b) swing point；

Elastic bending fatigue test device (8) further include:

First swing rod (806), for rotary setting on the bracket (1), first swing rod (806) is equipped with a pair of of straight trough mouth, The straight trough mouth is located at the two sides of the first swing rod (806) rotation center；

Second swing rod (807), for rotary setting on the turntable (8021), one end connects turntable by pressure spring (8012) (8021)；

First push rod (808) is slideably positioned on the bracket (1), and one end is set to first swing rod by pin shaft (806) in straight trough mouth, the other end and second swing rod (807) are opposite；

Second push rod (809) is slideably positioned in the bracket (1), and one end is set to first swing rod by pin shaft (806) in straight trough mouth, relatively, the first push rod (808) and the second push rod (809) divide for the other end and second swing rod (807) It is not correspondingly arranged in the two sides of the first swing rod (806) rotation center；

Third push rod (8010) is slideably positioned in the turntable (8021), and one end is set to second pendulum by pin shaft In the straight trough mouth of bar (807)；

Fixture block (8011) is fixedly installed on the other end of the third push rod (8010), dials respectively with the shifting part (8022) Dynamic needle (b) reciprocally swinging；

The shifting part (8022) and fixture block (8011) are separately positioned on the two sides of needle (b).

5. needle tester according to claim 4, which is characterized in that further include peel plate (9), the peel plate (9) sets It is placed between the placement plate (2) and needle plate (4), the peel plate (9) is equipped with through-hole corresponding with needle plate (4).

6. needle tester according to claim 5, which is characterized in that the peel plate (9) passes through third reciprocating machine Structure (10) is set on the bracket (1), and the third reciprocating mechanism (10) is fixedly installed on the bracket (1), institute Stating third reciprocating mechanism (10) is lifting motor.

7. needle tester according to claim 5, which is characterized in that the needle plate (4) is equipped with dress pin hole (401), with The dress pin hole (401) is endpoint, and it is non-intersecting that sample (a) movement opposite direction indefinite extension is formed by ray.

8. needle tester according to claim 7, which is characterized in that the needle plate (4) includes substrate interconnected (402) it is arranged with elastic layer (403), the elastic layer (403) in the top of substrate (402).

9. needle tester according to claim 4, which is characterized in that the two sides of the placement plate (2), which are equipped with, places sample (A) roller (14) is slided on the bracket (1) and is provided with pedestal (15), and roller (14) rotary setting is in pedestal (15) On.

10. needle tester according to claim 4, which is characterized in that further include the display being connect respectively with electric control gear Device (11), infrared thermometer (12), electron image measuring instrument (13) and combined aural and visual alarm (16)；Display (11) setting In on the bracket (1), for showing；The infrared thermometer (12) is set on the bracket (1), tested for measuring The temperature of sample (a) needle；The electron image measuring instrument (13) is set on the bracket (1), for measuring needle (b)；It is described Combined aural and visual alarm (16) is set on the bracket (1), is electrically connected, is used for pressure sensor, display, electric control gear respectively The alarm of non-normal working.