CN104159183A - Testing device for dynamic balance pressing and testing system adopting same - Google Patents
Testing device for dynamic balance pressing and testing system adopting same Download PDFInfo
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- CN104159183A CN104159183A CN201410331160.4A CN201410331160A CN104159183A CN 104159183 A CN104159183 A CN 104159183A CN 201410331160 A CN201410331160 A CN 201410331160A CN 104159183 A CN104159183 A CN 104159183A
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- dynamic balancing
- limited rack
- buffering stand
- forth effort
- testing device
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Abstract
The invention discloses a testing device for dynamic balance pressing and a system adopting same. The device comprises a limiting frame and the like, wherein the limiting frame can move up and down; a buffering bracket is mounted on the limiting frame, and can slide up and down relative to the limiting frame; a connecting part and two dynamic balance springs positioned on both sides of the connecting part are arranged on the upper end surface of a supporting bracket; the connecting part is hinged to the buffering bracket; the two dynamic balance springs in the compressed state are propped between the supporting bracket and the buffering bracket, and are symmetrically arranged relative to the connecting part; two supporting legs are arranged on the lower end surface of the supporting bracket, and are symmetrically arranged relative to the connecting part; a probe mechanism is fixed on the limiting frame. The system comprises the device. The device provided by the invention aims to solve the technical problem that the conventional pressing testing device has high possibility of damaging interior components of a loudspeaker, and is low in uniformity of testing data.
Description
Technical field
The present invention relates to electronic product technical field of measurement and test, relate in particular to one loud speaker is carried out to dynamic balancing laminate testing device, and apply the test macro of this device.
Background technology
Along with the continuous upgrading of people's consumption idea, many consumers improve constantly the requirement of sound tonequality, and then the development in drive loud speaker (comprising SPK monomer, SPK module etc.) field, therefore, loud speaker is also had higher requirement at aspects such as production test efficiency and qualities.
At present, the production of loud speaker progressively to automation, intelligent development, but test mode is still more original rigid pressing test, for example adopt template member to be directly pressed together on loud speaker, the mode of this rigid pressing test, its rigid pressing dynamics, without any buffering and adjusting, is easy to inside loudspeakers structure to cause damage, and due to the application of force inequality of pressing dynamics to the stressed place of difference, cause the consistency of its test data to be difficult to ensure.
To sum up, in electronic product technical field of measurement and test, can improve testing efficiency, yield and consistency in the urgent need to one, reduce the laminate testing device of operation intensity.
Summary of the invention
The object of the present invention is to provide a kind of dynamic balancing laminate testing device, to solve the technical problems such as the fragile inside loudspeakers member of traditional laminate testing device and test data consistency be poor.
Also be to provide a kind of dynamic balancing pressing test macro based on above-mentioned purpose, to solve the technical problems such as the fragile inside loudspeakers member of traditional pressing test macro and test data consistency be poor.
Based on above-mentioned the first object, the invention discloses a kind of dynamic balancing laminate testing device, for loud speaker is carried out to pressing test, this device comprises position-limited rack, buffering stand, puts forth effort support and probe mechanism, wherein:
Described position-limited rack can move up and down;
Described buffering stand is arranged on described position-limited rack, and can slide up and down with respect to described position-limited rack;
Described upper surface of putting forth effort support has connecting portion and is positioned at two dynamic balancing springs of described connecting portion both sides, described connecting portion is articulated with described buffering stand, described two dynamic balancing springs are compressive state and prop up described in withstanding on and put forth effort between support and described buffering stand, and described two dynamic balancing springs are arranged symmetrically with respect to described connecting portion;
Described lower surface of putting forth effort support has two and puts forth effort supporting leg, puts forth effort supporting leg and is arranged symmetrically with respect to described connecting portion for described two, for pressing loud speaker;
Described probe mechanism is fixed on described position-limited rack, for carrying out electric power conducting when the pressing loud speaker.
Optionally, the dual-side of described buffering stand is respectively arranged with convex platform and the lower convex platform of extending transversely, and the convex platform of described both sides and lower convex platform are arranged symmetrically with respectively; Answer in contrast,
Described position-limited rack has the open slot of downwardly facing opening, and the convex platform of described both sides is positioned at described open slot, and the convex platform of described both sides can slide up and down in described open slot;
The notch of described open slot has to the bending part of groove inner bending, and described bending part is for preventing that the convex platform of described both sides from departing from described open slot.
Optionally, between described buffering stand and described position-limited rack, be provided with buffer spring, when described position-limited rack moves down with respect to described buffering stand, described buffer spring by compression.
Optionally, described buffer spring is arranged between the upper surface of described buffering stand and the bottom land of described open slot.
Optionally, described buffering stand also includes adjustable hydraulic damping device, and the cylinder body of described adjustable hydraulic damping device is fixed on described buffering stand, and its expansion link stretches down, and least significant end when described expansion link nature is lower than described least significant end of putting forth effort supporting leg.
Optionally, described probe mechanism comprises adjustable column, revolving dial and rotary flange, and described revolving dial has vertical installation portion and the platform part of level, wherein:
Described vertical installation portion is fixedly connected on described position-limited rack, and described rotary flange is dismountable to be arranged in described platform part;
Described adjustable column is through described rotary flange and described platform part, and the upper end of described adjustable column is for hand-held rotation, and its lower end is provided with probe;
On the cylinder of described adjustable column, have spherical, described spherical is fastened between described rotary flange and described platform part, for the axial limiting to described adjustable column.
Optionally, described probe mechanism also comprises guard member, and the head end of described guard member is curved portions, and described probe is positioned at the arc of described curved portions, and the end of described guard member is fixed on described buffering stand; And,
The least significant end of described curved portions is higher than described least significant end of putting forth effort supporting leg
Based on above-mentioned the second object, the invention discloses a kind of dynamic balancing pressing test macro, this system comprises holding tray for placing loud speaker, is vertically arranged on the rear column on described holding tray and is positioned at the quick clip of rear column top, this system also comprises dynamic balancing laminate testing device as above, the described position-limited rack of this device can slide up and down and is arranged on described rear column, and fixing outstanding being contained on described quick clip.
Optionally, the top of described position-limited rack is by fixing outstanding being contained on described quick clip of wedge shape Dogbolt; The side of described position-limited rack has slide block, answers in contrast, has vertical slide rail on described rear column, and described slide block is slidably fastened on described slide rail
In sum, dynamic balancing laminate testing device provided by the invention, by the position-limited rack that can move up and down, with the buffering stand effect of matching that can down sliding with respect to position-limited rack, realize soft pressing object,, position-limited rack move down put forth effort support described in ordering about put forth effort that supporting leg moves down and pressing loud speaker, and in continuation pressing process, between described buffering stand and described position-limited rack, there is relative sliding, its resistance to sliding has been played cushioning effect to a certain degree to pressing action, and then has realized soft pressing.Further, the present invention also by arranging buffer spring between described buffering stand and described position-limited rack, and adjustable hydraulic damping device is set on described buffering stand, and strengthen above-mentioned cushioning effect by elastic force and the flowed friction of spring, further improve the effect of soft pressing.Than the scheme of traditional hard pressing, the present invention has effectively avoided the damage of pressing process for inside loudspeakers member.
On the basis of above-mentioned soft pressing, the present invention is also by arranging connecting portion and two dynamic balancing springs in described upper surface of putting forth effort support, realize the application of force balance object of pressing process, , described connecting portion in the middle of being positioned at is articulated with described buffering stand, symmetrical described two the dynamic balancing springs on both sides are compressive state and prop up described in withstanding on and put forth effort between support and described buffering stand, realize that medium position is fixed and dynamic lever construction rotatable and that both sides can correspondingly swing up and down, in the time putting forth effort the corresponding pressing position of supporting leg pressing loud speaker for symmetrically arranged two, if two pressing positions of product are not in same level, two different deformation of the corresponding generation of dynamic balancing spring, for offsetting the difference of different level, realize the stress equalization of two pressing positions, place.Than the scheme of traditional hard pressing, the dynamic balancing pressing scheme application of force of the present invention equilibrium, effectively raises test data consistency.
Separately, dynamic balancing pressing test macro provided by the invention, has adopted above-mentioned testing apparatus, has advantages of above-mentioned testing apparatus.
Brief description of the drawings
Fig. 1-Fig. 6 is embodiment mono-:
Fig. 1 a is the structural representation of dynamic balancing laminate testing device of the present invention;
Fig. 1 b is the exploded perspective view of dynamic balancing laminate testing device of the present invention;
Fig. 2 a is the assembling schematic diagram of position-limited rack and buffering stand;
Fig. 2 b is the exploded perspective view of position-limited rack and buffering stand;
Fig. 3 a is the assembling schematic diagram of buffering stand and adjustable hydraulic damping device;
Fig. 3 b is the exploded perspective view of buffering stand and adjustable hydraulic damping device;
Fig. 4 a is buffering stand and the assembling schematic diagram of putting forth effort support;
Fig. 4 b is buffering stand and the exploded perspective view of putting forth effort support;
Fig. 5 a is the assembling schematic diagram of probe mechanism;
Fig. 5 b is the exploded perspective view of probe mechanism;
Fig. 6 a is the assembling schematic diagram of position-limited rack, buffering stand and probe mechanism;
Fig. 6 b is the exploded perspective view of position-limited rack, buffering stand and probe mechanism.
Fig. 7-8 are embodiment bis-:
Fig. 7 is the structural representation (lifting status) of dynamic balancing pressing test macro of the present invention;
Fig. 8 is the structural representation (stitching state) of dynamic balancing pressing test macro of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment mono-
Referring to Fig. 1-6, be embodiments of the invention one, this embodiment provides a kind of dynamic balancing laminate testing device, is mainly used in loud speaker to carry out pressing test.This device mainly at position-limited rack 10, buffering stand 8, put forth effort, under the mating reaction of support 7 etc., to realize the object of soft pressing and application of force balance, and then solved the fragile inside loudspeakers member of traditional press fit device and the poor technical problem of test data consistency.
Referring to Fig. 1 a, 1b, this device comprises position-limited rack 10, buffering stand 8, puts forth effort support 7 and probe mechanism 20.Described position-limited rack 10 can move up and down, for the actuating force of moving with pressing of lifting of whole device is provided.Described buffering stand 8 is arranged on described position-limited rack 10, and can slide up and down with respect to described position-limited rack 10; In conjunction with Fig. 4 a, 4b, described upper surface of putting forth effort support 7 has connecting portion 71 and is positioned at two dynamic balancing springs 5 of described connecting portion 71 both sides, described connecting portion 71 is articulated with described buffering stand 8, described two dynamic balancing springs 5 are compressive state and prop up described in withstanding on and put forth effort between support 7 and described buffering stand 8, and described two dynamic balancing springs 5 are arranged symmetrically with respect to described connecting portion 71, also be, upper and lower corresponding swing can be carried out using the connecting portion at middle part 71 as fulcrum in the two ends of described buffering stand 8, forms a kind of dynamic lever construction; Described lower surface of putting forth effort support 7 has two and puts forth effort supporting leg 72, puts forth effort supporting leg 72 and is arranged symmetrically with respect to described connecting portion 71 for described two, for pressing loud speaker; Described probe mechanism 20 is fixed on described position-limited rack 10, for carrying out electric power conducting when the pressing loud speaker.
In above-mentioned scheme, in the time that described position-limited rack 10 moves down, described buffering stand 8 and described in put forth effort support 7 and move down thereupon, the described support 7 of putting forth effort touches after loud speaker, also described in being, put forth effort leg and be pressed together on behind the corresponding pressing position of loud speaker, while continuing to move down, there is relative sliding with described position-limited rack 10 in described buffering stand 8, the resistance of its relative sliding plays the cushioning effect pressing down to a certain extent, and then has realized soft pressing.And on this basis, if loud speaker corresponding to two pressing positions of putting forth effort leg not when the same level, the corresponding deformation occurring in various degree of described two dynamic balancing springs 5, for the impact of offsetting above-mentioned non-same level, and then realize the stress equalization of two pressing positions of loud speaker, guarantee the consistency of pressing test data.
In above-mentioned scheme, the relative sliding of described buffering stand 8 and described position-limited rack 10, is preferably set to, and the dual-side of described buffering stand 8 is respectively arranged with convex platform 81 and the lower convex platform 82 of extending transversely, and convex platform 81 and the lower convex platform 82 of described both sides are arranged symmetrically with respectively, are I shape; Answer in contrast, described position-limited rack 10 has the open slot 101 of downwardly facing opening, and the convex platform 81 of described both sides is positioned at described open slot 101, and the convex platform 81 of described both sides can slide up and down in described open slot 101; The notch of described open slot 101 has the bending part 102 to groove inner bending, and described bending part 102 departs from described open slot 101 for preventing the convex platform 81 of described both sides.This set-up mode has compact conformation and reliable feature.
Referring to Fig. 1 a, 1b and Fig. 2 a, 2b, in a possibility of this embodiment, between described buffering stand 8 and described position-limited rack 10, be provided with buffer spring 9, when described position-limited rack 10 moves down with respect to described buffering stand 8, described buffer spring 9 is by compression.By described buffer spring 9 by compression time bounce, improve the effect of soft pressing.In the specific implementation, for example, can be, at the end face of described buffering stand 8, groove is set, one end of described buffer spring 9 is positioned at described groove, the other end props up and withstands on described position-limited rack 10, to improve the stability of spring, and is convenient to change the spring of different compression ratios.
Referring to Fig. 1 a, 1b and Fig. 3 a, 3b, for further improving the effect of soft pressing, in another possibility of this embodiment, described buffering stand 8 also includes adjustable hydraulic damping device 12, the cylinder body of described adjustable hydraulic damping device 12 is fixed on described buffering stand 8, its expansion link stretches down, and least significant end when described expansion link nature is lower than described least significant end of putting forth effort supporting leg 72.In the time that device moves down, described expansion link first touches datum level D, first touch work top, expansion link pressurized retraction, its flowed friction plays the cushioning effect of pressing, for realizing, start buffering, the damage that can more effectively avoid pressing to move to inside loudspeakers member before touching product at the described leg of putting forth effort.
Referring to Fig. 1 a, 1b and Fig. 5 a, 5b, in the another possibility of this embodiment, described probe mechanism 20 comprises adjustable column 2, revolving dial 3 and rotary flange 1, and described revolving dial 3 has vertical installation portion and the platform part of level.Described vertical installation portion is fixedly connected on described position-limited rack 10, and described rotary flange 1 is dismountable to be arranged in described platform part, for example, can be being bolted as shown in FIG.; Described adjustable column 2 is through described rotary flange 1 and described platform part, and the upper end of described adjustable column 2 is for hand-held rotation, and its lower end is provided with probe 4, and two probes 4 are generally installed; On the cylinder of described adjustable column 2, have spherical, described spherical is fastened between described rotary flange 1 and described platform part, for the axial limiting to described adjustable column 2.Manually looser a bolt, make the assembling between described rotary flange 1 and described platform part loosening, can the upper end by described adjustable column 2 adjust the position of probe 4, after adjustment, tight a bolt by rotary flange 1 and the platform part adjustable column 2 that is fixedly clamped, and then realize the fixing of probe 4.This adjustment mode is simple and reliable, and feature based on spherical, can realize 360 degree adjustment.
Referring to Fig. 1 a, 1b and Fig. 6 a, 6b, on the basis of such scheme, described probe mechanism 20 also comprises guard member 6, and the head end of described guard member 6 is curved portions, described probe 4 is positioned at the arc of described curved portions, and the end of described guard member 6 is fixed on described buffering stand 8; And the least significant end of described curved portions is higher than described least significant end of putting forth effort supporting leg 72, prevent that it from touching loud speaker or work top and affecting test effect prior to putting forth effort leg.Curved portions can effectively prevent that misoperation etc. from touching probe 4, plays protective action.And, described probe 4 is with described position-limited rack 10 synchronizing movings, described guard member 6 is with described buffering stand 8 synchronizing movings, therefore between described probe 4 and described guard member 6, there is relative-movement state, be convenient to change probe 4 operations such as grade, after for example, certain hour while starting to lift described probe 4, on just starting, moves described guard member 6, before moving on described guard member 6, between described probe 4 and described guard member 6, there is certain difference in height, now can in the situation that unshielded member 6 is interfered, carry out the replacing of probe 4.
In above-mentioned scheme, further combined with Fig. 1 b, be articulated with described buffering stand 8 for described connecting portion 71, a kind of preferred version is provided, this preferred version has advantages of compact conformation and reliable.The end of described guard member 6 has the connecting rod 61 of extending transversely; Answer in contrast, described in put forth effort support 7 connecting portion 71 there is via hole, described buffering stand 8 has installing hole; Described connecting rod 61 slidably, through after described via hole, is inlaid in described installing hole.
Embodiment bis-
Referring to Fig. 7,8, be embodiments of the invention two, this embodiment provides a kind of dynamic balancing pressing test macro, is mainly used in loud speaker to carry out pressing test.This embodiment is the concrete application of embodiment mono-, and the described technical scheme of embodiment mono-belongs to this embodiment, and the technical scheme that embodiment mono-has described is no longer repeated in this description.
Particularly, this system comprises holding tray 100 for placing loud speaker, is vertically arranged on the rear column 200 on described holding tray 100 and is positioned at the quick clip 300 of rear column 200 tops, and, this system also comprises the described dynamic balancing laminate testing device of embodiment mono-, the described position-limited rack 10 of this device can slide up and down and is arranged on described rear column 200, and fixing outstanding being contained on described quick clip 300.Fig. 7 is for making clear in structure, the handle of not shown quick clip 300.
In the possibility of this embodiment, the top of described position-limited rack 10 is by fixing outstanding being contained on described quick clip 300 of wedge shape Dogbolt 11, so that assembling.The side of described position-limited rack 10 has slide block, answers in contrast, on described rear column 200, has vertical slide rail, and described slide block is slidably fastened on described slide rail, by the fit system of slide block and slide rail, improves the stability of sliding.
In the time ordering about described quick clip 300, can realize the switching between stitching state shown in lifting status shown in Fig. 7 and Fig. 8, taking pressing process as example: while ordering about described quick clip 300, described position-limited rack 10 moves down thereupon, described buffering stand 8 and described in put forth effort support 7 and move down thereupon; First described adjustable hydraulic damping device 12 touches the card of holding tray 100, continues to press down described adjustable hydraulic damping device 12 contractions and starts to cushion pressing down, and also realizes soft pressing effect; Then the leg of putting forth effort of putting forth effort support 7 described in touches loud speaker, start loud speaker to carry out pressing test, continue to press down described buffering stand 8 and relatively move with described position-limited rack 10, described buffer spring 9 starts to compress the stepping row buffering of going forward side by side, and improves the effect of soft pressing; In pressing process, described two dynamic balancing springs 5 produce different deformation, realize application of force balance, and then guarantee the consistency of test data.
This system adopts the described laminate testing device of embodiment mono-, has advantages of this device.And then, make this system effectively promote production efficiency and homogeneity of product, and reduced the artificial impact on test generation, and reduced operating personnel's repetitive operation intensity.
The foregoing is only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.All any amendments of doing within the spirit and principles in the present invention, be equal to replacement, improvement etc., be all included in protection scope of the present invention.
Claims (10)
1. a dynamic balancing laminate testing device, for loud speaker is carried out to pressing test, is characterized in that, this device comprises position-limited rack, buffering stand, puts forth effort support and probe mechanism, wherein:
Described position-limited rack can move up and down;
Described buffering stand is arranged on described position-limited rack, and can slide up and down with respect to described position-limited rack;
Described upper surface of putting forth effort support has connecting portion and is positioned at two dynamic balancing springs of described connecting portion both sides, described connecting portion is articulated with described buffering stand, described two dynamic balancing springs are compressive state and prop up described in withstanding on and put forth effort between support and described buffering stand, and described two dynamic balancing springs are arranged symmetrically with respect to described connecting portion;
Described lower surface of putting forth effort support has two and puts forth effort supporting leg, puts forth effort supporting leg and is arranged symmetrically with respect to described connecting portion for described two, for pressing loud speaker;
Described probe mechanism is fixed on described position-limited rack, for carrying out electric power conducting when the pressing loud speaker.
2. dynamic balancing laminate testing device according to claim 1, is characterized in that, the dual-side of described buffering stand is respectively arranged with convex platform and the lower convex platform of extending transversely, and the convex platform of described both sides and lower convex platform are arranged symmetrically with respectively; Answer in contrast,
Described position-limited rack has the open slot of downwardly facing opening, and the convex platform of described both sides is positioned at described open slot, and the convex platform of described both sides can slide up and down in described open slot;
The notch of described open slot has to the bending part of groove inner bending, and described bending part is for preventing that the convex platform of described both sides from departing from described open slot.
3. dynamic balancing laminate testing device according to claim 2, is characterized in that, between described buffering stand and described position-limited rack, is provided with buffer spring, and when described position-limited rack moves down with respect to described buffering stand, described buffer spring by compression.
4. dynamic balancing laminate testing device according to claim 3, is characterized in that, described buffer spring is arranged between the upper surface of described buffering stand and the bottom land of described open slot.
5. dynamic balancing laminate testing device according to claim 3, it is characterized in that, described buffering stand also includes adjustable hydraulic damping device, the cylinder body of described adjustable hydraulic damping device is fixed on described buffering stand, its expansion link stretches down, and least significant end when described expansion link nature is lower than described least significant end of putting forth effort supporting leg.
6. dynamic balancing laminate testing device according to claim 1, is characterized in that, described probe mechanism comprises adjustable column, revolving dial and rotary flange, and described revolving dial has vertical installation portion and the platform part of level, wherein:
Described vertical installation portion is fixedly connected on described position-limited rack, and described rotary flange is dismountable to be arranged in described platform part;
Described adjustable column is through described rotary flange and described platform part, and the upper end of described adjustable column is for hand-held rotation, and its lower end is provided with probe;
On the cylinder of described adjustable column, have spherical, described spherical is fastened between described rotary flange and described platform part, for the axial limiting to described adjustable column.
7. dynamic balancing laminate testing device according to claim 6, it is characterized in that, described probe mechanism also comprises guard member, and the head end of described guard member is curved portions, described probe is positioned at the arc of described curved portions, and the end of described guard member is fixed on described buffering stand; And,
The least significant end of described curved portions is higher than described least significant end of putting forth effort supporting leg.
8. dynamic balancing laminate testing device according to claim 7, is characterized in that, the end of described guard member has the connecting rod of extending transversely; Answer in contrast,
The described connecting portion of putting forth effort support has via hole, and described buffering stand has installing hole;
Described connecting rod slidably, through after described via hole, is inlaid in described installing hole.
9. a dynamic balancing pressing test macro, this system comprises holding tray for placing loud speaker, is vertically arranged on the rear column on described holding tray and is positioned at the quick clip of rear column top, it is characterized in that, this system also comprises the dynamic balancing laminate testing device as described in claim 1-8 any one, the described position-limited rack of this device can slide up and down and is arranged on described rear column, and fixing outstanding being contained on described quick clip.
10. dynamic balancing pressing test macro according to claim 9, is characterized in that,
The top of described position-limited rack is by fixing outstanding being contained on described quick clip of wedge shape Dogbolt;
The side of described position-limited rack has slide block, answers in contrast, has vertical slide rail on described rear column, and described slide block is slidably fastened on described slide rail.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410331160.4A CN104159183B (en) | 2014-07-11 | 2014-07-11 | A kind of test system of dynamic balancing laminate testing device and the application device |
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| CN201410331160.4A CN104159183B (en) | 2014-07-11 | 2014-07-11 | A kind of test system of dynamic balancing laminate testing device and the application device |
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| CN104159183B CN104159183B (en) | 2017-12-01 |
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| CN109769192B (en) * | 2019-01-23 | 2020-12-29 | 梧州恒声电子科技有限公司 | Full-frequency loudspeaker curve testing device |
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| CN104159183B (en) | 2017-12-01 |
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