CN110108566B - Vertical audio coil fracture testing device - Google Patents
Vertical audio coil fracture testing device Download PDFInfo
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- CN110108566B CN110108566B CN201910501038.XA CN201910501038A CN110108566B CN 110108566 B CN110108566 B CN 110108566B CN 201910501038 A CN201910501038 A CN 201910501038A CN 110108566 B CN110108566 B CN 110108566B
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- 238000012360 testing method Methods 0.000 title claims abstract description 25
- 238000009434 installation Methods 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 abstract 2
- 230000006698 induction Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- 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
- G01N3/02—Details
- G01N3/04—Chucks
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- 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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- 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
- G01N2203/0017—Tensile
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- 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
- G01N2203/0037—Generation of the force using mechanical means involving a rotating movement, e.g. gearing, cam, eccentric, or centrifuge effects
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- 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
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
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- 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
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- 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- 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)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a vertical audio coil fracture testing device which comprises a base, a coil clamp device, a clamp driving device and a measurement sensing device, wherein the clamp driving device provides driving force for the movement of the coil clamp device, the measurement sensing device senses and measures fracture tension values of an audio coil to be tested, and the coil clamp device comprises a first clamping mechanism and a second clamping mechanism. The device adopts the coil clamp device comprising the spring clamp to clamp and fix the audio coil, and is convenient to operate; the outer circle of the shaft shoulder of the audio coil mounting shaft is matched with the front end press ring of the first spring chuck, so that the clamping force is reliable, and the short audio coil can be clamped and fixed; the audio coil installation shaft adopts a stepped shaft and flange structure, and the audio coil is convenient to install.
Description
Technical Field
The invention belongs to the field of mechanical property testing devices, relates to a fracture tension testing device, and particularly relates to a vertical audio coil fracture testing device.
Background
The audio coil is widely applied to the loudspeaker, and the mechanical index and the deformability of the audio coil, in particular the tensile index and the breaking elongation rate, need to be tested, but the existing testing device has a complex structure, the testing process is complicated, and the tensile strength and the deformation amount of the audio coil cannot be effectively measured.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a vertical audio coil fracture testing device capable of effectively measuring the fracture tension of a vertical audio coil.
The invention adopts the following technical scheme:
the vertical audio coil fracture testing device comprises a base and a coil clamp device, wherein the coil clamp device comprises a first clamping mechanism and a second clamping mechanism.
The first clamping mechanism comprises a first shaft, an audio coil mounting shaft and an audio coil to be tested, wherein the first shaft is fixed on the base, a taper hole is formed in the upper end of the first shaft, a first spring chuck and a first press cap matched with the first spring chuck for use are mounted in the taper hole, a through hole is formed in the first spring chuck, a groove is formed in the front end of the through hole, the audio coil mounting shaft is arranged in the through hole of the first spring chuck, the audio coil mounting shaft is a stepped shaft, the audio coil mounting shaft comprises a flange, a shaft shoulder and an upper end shaft, the outer diameter of the flange is sequentially reduced, the shaft shoulder and the upper end shaft are tightly sleeved outside the shaft shoulder, the flange is positioned in the groove when the first spring chuck is in a tightening state, and the lower section of the audio coil to be tested is clamped between the first spring chuck and the shaft shoulder;
the second clamping mechanism comprises a second shaft and a blind hole shaft, a taper hole is formed in the lower end of the second shaft, a second spring chuck and a second pressing cap matched with the second spring chuck for use are installed in the taper hole, a through hole is formed in the second spring chuck, a groove is formed in the front end of the through hole, a blind hole is formed in the lower end of the blind hole shaft, the blind hole is in clearance fit with the upper end shaft of the audio coil installation shaft, the upper section of the audio coil to be tested is sleeved outside the blind hole shaft, and when the second spring chuck is in a tightening state, the upper section of the audio coil to be tested is clamped between the second spring chuck and the blind hole shaft.
When the device is an automatic test device:
still further still include clamp driving device, clamp driving device includes slide, guide rail, lead screw, shaft coupling, slip table base, the slip table base is fixed in on the base, and the upper end of slip table base is fixed with the motor, the motor passes through the shaft coupling and links to each other with the lead screw, screw and lead screw cooperation, drive slide along the guide rail up-and-down motion, the slide with second fixture links to each other through S type tension sensor, the upper end of second shaft links to each other with S type tension sensor 'S lower extreme, the slide links to each other with S type tension sensor' S upper end.
Still further still include and measure induction system, it includes S type tension sensor, PLC, control display screen, driver to measure induction system, S type tension sensor, PLC, control display screen, driver, motor connect gradually.
When the device is a manual testing device:
still further still include clamp driving device, clamp driving device includes slide, guide rail, lead screw, slip table base, the slip table base is fixed in on the base, and the upper end of slip table base is provided with the hand wheel, the hand wheel links to each other with the lead screw, screw and lead screw cooperation, drive slide along the guide rail up-and-down motion, the slide with second fixture links to each other through S type tension sensor, the upper end of second shaft links to each other with S type tension sensor 'S lower extreme, the slide links to each other with S type tension sensor' S upper end.
Still further, still include and measure induction system, it includes S type tension sensor, PLC, control display screen to measure induction system, S type tension sensor, PLC, control display screen connect gradually.
Further, the upper end face of the first spring chuck is flush with the upper end face of the shaft shoulder, and the lower end face of the second spring chuck is flush with the lower end face of the blind hole shaft.
The invention has the following beneficial effects:
1. the coil clamp device comprising the spring clamp is used for clamping and fixing the audio coil, and the operation is convenient.
2. The outer circle of the shaft shoulder of the audio coil mounting shaft is matched with the front end press ring of the first spring chuck, so that the clamping force is reliable, and the short audio coil can be clamped and fixed.
3. The audio coil installation shaft adopts a stepped shaft and flange structure, and the audio coil is convenient to install.
Drawings
FIG. 1 is a schematic view showing the overall structure of the apparatus of the present invention according to the first embodiment;
FIG. 2 is a schematic view of the structure of a first spring holder according to the first embodiment;
FIG. 3 is a schematic view of the structure of a second spring holder according to the first embodiment;
fig. 4 is a schematic structural view of an audio coil mounting shaft of the first embodiment;
FIG. 5 is a schematic view of the mounting structure of an audio coil on an audio coil mounting shaft;
FIG. 6 is a schematic view of the mounting structure of the audio coil of the first embodiment on the mating structure of the audio coil mounting shaft and the blind hole shaft;
FIG. 7 is a schematic diagram of an installation method of a vertical audio coil break test device according to the present invention according to the first embodiment;
fig. 8 is a schematic overall structure of the device of the present invention according to the second embodiment.
The marks in the figure: 1. a base; 2. a first shaft; 3. a gasket; 4. a spring washer; 5. a first screw; 6. a first press cap; 7. a first collet; 7-1, a first front end face; 7-2, a first front-end compression ring; 7-3, a first groove; 8. an audio coil mounting shaft; 8-1, flanges; 8-2, shaft shoulders; 8-3, an upper end shaft; 9. an audio coil; 10. a second press cap; 11. a second collet; 11-1, a second front end face; 11-2, a second front-end compression ring; 11-3, a second groove; 12. a second shaft; 13. a blind hole shaft; 14. a double-ended stud; 15. an S-shaped tension sensor; 16. a second screw; 17. a first L-shaped bracket; 18. a slide; 19. a circular guide rail; 20. a screw rod; 21. a coupling; 22. a second L-shaped bracket; 23. a motor; 24. a slipway base; 25. a nut; 26. a third L-shaped bracket; 27. a PLC; 28. controlling a display screen; 29. a driver; 30. and a hand wheel.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
Example 1
The audio coil break test device is shown in fig. 1: the first shaft 2 is fixed by its bottom flange to the base 1 by means of a washer 3, a spring washer 4 and a first screw 5. The upper end of the first shaft 2 is provided with an external thread and a taper hole, and the taper hole is provided with a first spring chuck 7 and a first press cap 6 matched with the first spring chuck 7. The front end of the through hole of the first spring chuck 7 is provided with a groove (shown in figure 2).
The through hole of the first collet 7 is provided with an audio coil mounting shaft 8 which is a stepped shaft and comprises a flange 8-1, a shaft shoulder 8-2 and an upper end shaft 8-3, as shown in fig. 3, the middle part of the shaft is provided with a flange, when the first collet 7 is in a loose state, the flange of the audio coil mounting shaft 8 can be just inserted into the first collet 7, and the flange of the audio coil mounting shaft 8 (shown in fig. 4) is positioned in the groove of the first collet 7. The lower end of the second shaft 12 is provided with an external thread and a taper hole, the taper hole is provided with a second spring chuck 11 and a second pressing cap 10 matched with the second spring chuck 11, the second spring chuck 11 is shown in fig. 3 and comprises a second front end face 11-1, a second front end pressing ring 11-2 and a second groove 11-3, and the second groove 11-3 is arranged at the front end of the through hole.
The lower end of the blind hole shaft 13 is provided with a blind hole which is in clearance fit with the upper end shaft of the audio coil mounting shaft 8, namely, the upper end shaft of the audio coil mounting shaft 8 can freely slide in the blind hole of the blind hole shaft 13. The audio coil 9 to be tested is placed on the audio coil mounting shaft 8 (as shown in fig. 5), the outer diameter of the shaft shoulder of the audio coil mounting shaft 8 is slightly smaller than the inner diameter of the audio coil 9, and the outer diameter of the flange of the audio coil mounting shaft 8 is slightly larger than the inner diameter of the audio coil 9, so that the audio coil 9 can be just inserted into the shaft shoulder of the audio coil mounting shaft 8 and supported by the flange of the audio coil mounting shaft 8; the outer diameter of the blind hole shaft 13 is slightly smaller than the inner diameter of the audio coil 9, and the outer circle of the blind hole shaft 13 can be just inserted into the inner diameter of the audio coil 9 (as shown in fig. 6).
The upper end of the second shaft 12 is provided with a threaded hole, the lower end of the double-end stud 14 is screwed into the threaded hole, and the upper end of the double-end stud 14 is screwed into the threaded hole at the lower end of the S-shaped tension sensor 15. The upper end of the S-shaped tension sensor 15 is provided with a threaded hole, through which the sensor 15 is fixed to the first L-shaped bracket 17 by a second screw 16.
The slide 18, the round guide rail 19, the screw rod 20, the screw nut 25, the coupler 21, the motor 23 and the slide base 24 form a linear slide. The motor 23 is fixed to the slide table base 24 via the second L-shaped bracket 22. The linear slipway is fixed on the base 1 via a third L-shaped bracket 26.
The PLC 27 reads the measured tension value of the tension sensor 15, and displays the measured tension value on a control display screen 28 (hereinafter, a touch screen is taken as an example), and a pulse signal output by the PLC 27 enters a driver 29 to control the motor 23 to start, stop and rotate forward and backward.
The working method of the device of the invention is as follows:
1. according to the installed device shown in fig. 7, the first press cap 6 is released to bring the first collet chuck 7 to a maximum relaxed state. The linear sliding table sliding seat 18 is controlled by the touch screen 28 to drive the tension sensor 15 to move upwards to the upper limit position, so that the following installation operation is facilitated.
2. The audio coil 9 to be measured is inserted into the shaft 8 as shown in fig. 5.
3. The lower end of the shaft 8 is inserted into the first collet 7 such that the flange of the shaft 8 is seated in the recess of the first collet 7 and such that the upper end surface of the shoulder of the shaft 8 is aligned with the front end surface of the first collet 7. The first press cap 6 is screwed down, and the front press ring of the first spring chuck 7 presses the audio coil 9 on the outer circle of the shaft shoulder of the shaft 8, and simultaneously presses the shaft 8 in the through hole of the first spring chuck 7.
4. The second shaft 12, the second press cap 10, the second collet 11 and the stud 14 are assembled together to form an assembly, the second collet 11 is in a maximum relaxed state, and the lower end threads of the stud 14 are all screwed into the threaded holes at the upper end of the second shaft 12.
5. The total weight of the assembly and the blind shaft 13 is weighed as G.
6. The lower end of the blind hole shaft 13 is inserted into the shaft 8, and the upper end surface of the shaft shoulder of the shaft 8 supports the blind hole shaft 13. Because the diameter of the outer circle of the blind hole shaft 13 is slightly smaller than the inner diameter of the audio coil 9, the lower end of the blind hole shaft 13 is positioned in the hole of the audio coil 9.
7. The assembly is inserted into the blind hole shaft 13, that is, the through hole of the second collet 11 in the assembly is inserted into the blind hole shaft 13, and the front end surface of the second collet 11 is brought into contact with the front end surface of the first collet 7. Because the inner diameter of the through hole of the second spring chuck 11 is slightly larger than the outer diameter of the audio coil 9 in the maximum relaxation state, the upper half part of the audio coil 9 is positioned in the front end press ring of the second spring chuck 11.
8. The second pressing cap 10 is screwed down, and the front pressing ring of the second spring chuck 11 presses the upper half part of the audio coil 9 on the outer circle of the blind hole shaft 13, and simultaneously presses the blind hole shaft 13 in the through hole of the second spring chuck 11.
9. The linear sliding table sliding seat 18 is controlled by the touch screen 28 to drive the tension sensor 15 to move downwards, so that the distance between the lower end face of the tension sensor 15 and the upper end face of the double-end stud 14 is about 5mm.
10. The stud 14 is screwed out a partial length from the threaded hole at the upper end of the second shaft 12, and the upper end of the stud 14 is screwed into the threaded hole at the lower end of the tension sensor 15 by a length of about 10mm. The audio coil 9 is installed.
11. The tension sensor 15 is controlled to move upwards through the touch screen 28, and finally the upper half part of the audio coil is driven to move upwards, the PLC 27 continuously reads the measured value F of the tension sensor 15, the current tension F value loaded on the audio coil 9 is continuously displayed in the touch screen 28, the maximum value Fmax of the display tension F is stored, and when the upper half part and the lower half part of the audio coil 9 are separated, the total weight of the assembly body and the blind hole shaft 13 subtracted from Fmax obtained in the touch screen 28 is G, and the breaking tension value of the audio coil 9 is obtained.
Example two
Manual testing device for breaking strength of audio coil is shown in fig. 8: the first shaft 2 is fixed by its bottom flange to the base 1 by means of a washer 3, a spring washer 4 and screws 5. The upper end of the first shaft 2 is provided with an external thread and a taper hole, and the taper hole is provided with a first spring chuck 7 and a pressing cap 6 matched with the first spring chuck 7. The front end of the through hole of the first spring chuck 7 is provided with a groove (shown in figure 2).
The through hole of the first collet 7 is provided with an audio coil mounting shaft 8 which is a stepped shaft and comprises a flange 8-1, a shaft shoulder 8-2 and an upper end shaft 8-3, as shown in fig. 4, the middle part of the shaft is provided with a flange, when the first collet 7 is in a loose state, the flange of the audio coil mounting shaft 8 can be just inserted into the first collet 7, and the flange of the audio coil mounting shaft 8 (shown in fig. 4) is positioned in the groove of the first collet 7. The audio coil 9 is placed on the flange of the coil mounting shaft 8, and the outer circumference of the audio coil 9 is in the front end press ring of the first collet chuck 7. The lower half of the audio coil 9 and the coil mounting shaft 8 are clamped and fixed in the hole of the first spring chuck 7 by screwing the pressing cap 6 (see fig. 3). The lower end of the second shaft 12 is provided with an external thread and a taper hole, the taper hole is provided with a second spring chuck 11 and a second pressing cap 10 matched with the second spring chuck 11, the second spring chuck 11 is shown in fig. 3 and comprises a second front end face 11-1, a second front end pressing ring 11-2 and a second groove 11-3, and the second groove 11-3 is arranged at the front end of the through hole.
The lower end of the blind hole shaft 13 is provided with a blind hole which is in clearance fit with the upper end shaft of the audio coil mounting shaft 8, namely, the upper end shaft of the audio coil mounting shaft 8 can freely slide in the blind hole of the blind hole shaft 13. The audio coil 9 to be tested is placed on the audio coil mounting shaft 8 (as shown in fig. 5), the outer diameter of the shaft shoulder of the audio coil mounting shaft 8 is slightly smaller than the inner diameter of the audio coil 9, and the outer diameter of the flange of the audio coil mounting shaft 8 is slightly larger than the inner diameter of the audio coil 9, so that the audio coil 9 can be just inserted into the shaft shoulder of the audio coil mounting shaft 8 and supported by the flange of the audio coil mounting shaft 8; the outer diameter of the blind hole shaft 13 is slightly smaller than the inner diameter of the audio coil 9, and the outer circle of the blind hole shaft 13 can be just inserted into the inner diameter of the audio coil 9 (as shown in fig. 6).
The lower end of the second shaft 12 is provided with an external thread and a taper hole, the taper hole is provided with a second spring chuck 11 and a pressing cap 10 matched with the second spring chuck 11, and the front end of a through hole of the second spring chuck 11 is provided with a groove. The upper half of the coil 9 and the blind hole shaft 13 can be clamped and fixed in the hole of the second spring chuck 11 by screwing the pressing cap 10.
The upper end of the second shaft 12 is provided with a threaded hole, the lower end of the double-end stud 14 is screwed into the threaded hole, and the upper end of the double-end stud 14 is screwed into the threaded hole at the lower end of the S-shaped tension sensor 15. The S-shaped tension sensor 15 is provided with a screw hole at its upper end, and the sensor 15 is fixed to the first L-shaped bracket 17 by a screw 16 through the screw hole.
The slide seat 18, the round guide rail 19, the screw rod 20, the screw nut 25, the hand wheel 30 and the slide table base 24 form a linear slide table. The linear slipway is fixed on the base 1 via a second L-shaped bracket 26.
The PLC 27 reads the measured tension value of the tension sensor 15 and displays it by a touch screen.
The working method of the device is as follows:
the total weight of the second shaft 12, the press cap 10, the second collet chuck 11, the stud 14 and the blind hole shaft 13 is G.
According to the installed device shown in fig. 8, the hand wheel 30 is rotated to enable the sliding seat 18 to drive the tension sensor 15 to move upwards, and finally, the upper half part of the audio coil is driven to move upwards, the PLC 27 continuously reads the measured value F of the tension sensor 15, the current tension F value loaded on the audio coil 9 is continuously displayed in the touch screen, the maximum value Fmax of the display tension F is stored, and after the upper half part and the lower half part of the audio coil 9 are separated, fmax is obtained in the touch screen 28.
(Fmax-G) is the breaking tension value of the audio coil 9.
The above description is only of the preferred embodiments of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. Vertical audio frequency coil breaking test device, including base (1) and coil anchor clamps device, its characterized in that: the coil clamping device comprises a first clamping mechanism and a second clamping mechanism,
the first clamping mechanism comprises a first shaft (2), an audio coil installation shaft (8) and an audio coil (9) to be tested, wherein the first shaft (2) is fixed on a base (1), a taper hole is formed in the upper end of the first shaft (2), a first collet chuck (7) and a first press cap (6) matched with the first collet chuck (7) are installed in the taper hole, a through hole is formed in the first collet chuck (7), a groove is formed in the front end of the through hole, the audio coil installation shaft (8) is arranged in the through hole of the first collet chuck (7), the audio coil installation shaft (8) is a stepped shaft, the audio coil installation shaft (8) comprises a flange (8-1), a shaft shoulder (8-2) and an upper end shaft (8-3), the audio coil (9) to be tested is tightly sleeved outside the shaft shoulder (8-2), and when the first collet chuck (7) is in a tightening state, the flange (8-1) is located inside the groove, and the audio coil (8-2) is clamped between the first collet chuck (7) and the first collet chuck (8-2);
the second clamping mechanism comprises a second shaft (12) and a blind hole shaft (13), a taper hole is formed in the lower end of the second shaft (12), a second spring chuck (11) and a second press cap (10) matched with the second spring chuck (11) are installed in the taper hole, a through hole is formed in the second spring chuck (11), the blind hole shaft (13) is arranged in the through hole, a blind hole is formed in the lower end of the blind hole shaft (13), the blind hole is in clearance fit with the upper end shaft (8-3) of the audio coil installation shaft (8), the upper section of the audio coil to be tested is sleeved outside the blind hole shaft (13), and when the second spring chuck (11) is in a tightening state, the upper section of the audio coil to be tested (9) is clamped between the second spring chuck (11) and the blind hole shaft (13).
2. The vertical audio coil breakage testing device according to claim 1, wherein: the device is an automatic testing device.
3. The vertical audio coil breakage testing device according to claim 1, wherein: the device is a manual testing device.
4. The vertical audio coil breakage testing device according to claim 2, wherein: still include anchor clamps drive arrangement, anchor clamps drive arrangement includes slide (18), guide rail (19), lead screw (20), screw (25), shaft coupling (21), slip table base (24) are fixed in on base (1), and the upper end of slip table base (24) is fixed with motor (23), the motor passes through shaft coupling (21) and links to each other with lead screw (20), screw (25) and lead screw (20) cooperation, drive slide (18) up-and-down motion along guide rail (19), slide (18) with second fixture passes through S type tension sensor (15) and links to each other, the upper end of second axle (12) links to each other with the lower extreme of S type tension sensor (15), slide (18) link to each other with the upper end of S type tension sensor (15).
5. The vertical audio coil breakage testing device according to claim 4, wherein: the measuring and sensing device comprises an S-shaped tension sensor (15), a PLC (27), a control display screen (28) and a driver (29), wherein the S-shaped tension sensor (15), the PLC (27), the control display screen (28), the driver (29) and the motor (23) are sequentially connected.
6. The vertical audio coil breakage testing device according to claim 3, wherein: still include anchor clamps drive arrangement, anchor clamps drive arrangement includes slide (18), guide rail (19), lead screw (20), screw (25), slip table base (24) are fixed in on base (1), and the upper end of slip table base (24) is provided with hand wheel (30), hand wheel (30) link to each other with lead screw (20), screw (25) and lead screw (20) cooperation, drive slide (18) follow guide rail (19) up-and-down motion, slide (18) with second fixture passes through S type tension sensor (15) and links to each other, the upper end of second axle (12) links to each other with the lower extreme of S type tension sensor (15), slide (18) link to each other with the upper end of S type tension sensor (15).
7. The vertical audio coil breakage testing device according to claim 6, wherein: the measuring and sensing device comprises an S-shaped tension sensor (15), a PLC (27) and a control display screen (28), wherein the S-shaped tension sensor (15), the PLC (27) and the control display screen (28) are sequentially connected.
8. The vertical audio coil breakage testing device according to claim 1, wherein: the upper end face of the first spring chuck (7) is flush with the upper end face of the shaft shoulder (8-2), and the lower end face of the second spring chuck (11) is flush with the lower end face of the blind hole shaft (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910501038.XA CN110108566B (en) | 2019-06-11 | 2019-06-11 | Vertical audio coil fracture testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910501038.XA CN110108566B (en) | 2019-06-11 | 2019-06-11 | Vertical audio coil fracture testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110108566A CN110108566A (en) | 2019-08-09 |
| CN110108566B true CN110108566B (en) | 2024-02-20 |
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|---|---|---|---|
| CN201910501038.XA Active CN110108566B (en) | 2019-06-11 | 2019-06-11 | Vertical audio coil fracture testing device |
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| CN (1) | CN110108566B (en) |
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| CN102829856A (en) * | 2012-09-04 | 2012-12-19 | 王正尧 | Vibration-excitation testing device for sound needle tuning of music box |
| CN109632635A (en) * | 2019-02-28 | 2019-04-16 | 常州工学院 | A kind of bone-free coil bonding force automatic testing equipment |
| CN210166228U (en) * | 2019-06-11 | 2020-03-20 | 常州通达万锦电子有限公司 | Vertical audio coil fracture testing device |
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| CN103454156B (en) * | 2012-05-28 | 2018-01-26 | 富泰华工业（深圳）有限公司 | Pulling capacity mechanism for testing and drawing force test method |
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| CN102829856A (en) * | 2012-09-04 | 2012-12-19 | 王正尧 | Vibration-excitation testing device for sound needle tuning of music box |
| CN109632635A (en) * | 2019-02-28 | 2019-04-16 | 常州工学院 | A kind of bone-free coil bonding force automatic testing equipment |
| CN210166228U (en) * | 2019-06-11 | 2020-03-20 | 常州通达万锦电子有限公司 | Vertical audio coil fracture testing device |
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