CN203579017U - Electret microphone diaphragm cutting tool - Google Patents

Electret microphone diaphragm cutting tool Download PDF

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Publication number
CN203579017U
CN203579017U CN201320717856.1U CN201320717856U CN203579017U CN 203579017 U CN203579017 U CN 203579017U CN 201320717856 U CN201320717856 U CN 201320717856U CN 203579017 U CN203579017 U CN 203579017U
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China
Prior art keywords
diaphragm
electret microphone
zona
support plate
cutting tool
Prior art date
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Active
Application number
CN201320717856.1U
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Chinese (zh)
Inventor
张伙根
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JIANGSU HUAFENG ELECTRONICS CO Ltd
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JIANGSU HUAFENG ELECTRONICS CO Ltd
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Priority to CN201320717856.1U priority Critical patent/CN203579017U/en
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Abstract

The utility model discloses an electret microphone diaphragm cutting tool comprising a bin with the top open and a horizontal support plate for closing an opening at the top of the bin. A plurality of pits used for holding diaphragm rings and fitting with the same are formed in the upper surface of the support plate, and a through hole communicated with the lower surface of the support plate is formed in the bottom surface of each pit. A lighting device used for illuminating the pits is arranged in the bin. The tool is used for laser cutting of electret microphone diaphragms, convenience is brought to alignment of the diaphragms, diaphragm alignment accuracy is improved, production efficiency is improved, movement of the diaphragms and the diaphragm rings thereof can be reduced effectively or avoided in the laser cutting process, and product yield is improved.

Description

Electret microphone diaphragm cutting tool
Technical field
The utility model relates to a kind of electret microphone diaphragm cutting tool, is specifically related to a kind of frock, smelting tool required while utilizing laser equipment cutting electret microphone diaphragm.
Background technology
Electret microphone diaphragm is provided with some zonas, each zona precise cutting need to be got off, and the cutting of electret microphone diaphragm is produced, and traditional technique mainly contains two kinds.
A kind of technique is for manually utilizing compasses and razor blade to cut one by one.Workman first, by facing down of having film, has one of ring to face up, and leveling is placed, and then by gland, puts into zona inner side, controls compasses revolve the blade that turns around by under single zona cutting through finger, and the rest may be inferred, one by one cutting.This technique has following problem: 1) hand labor amount is large; 2) inefficiency; 3) fraction defective is higher.
Another kind of technique is the punching press of punch press to its whole plate.To have the copper coin of hole punch to be covered with plated film, whole plate be put into and under punch press, is carried out punching press.This technique subject matter is: 1) waste of material is large, and production cost is high; 2) defective products is more; 3) operational danger is large, and noise is large.
Laser cutting has had more application, but is not also applied to preferably the cutting of electret microphone diaphragm, and very high because laser cutting requires diaphragm contraposition, the inaccurate meeting of diaphragm contraposition has a strong impact on laser cutting accuracy, and then affects zona quality.
Utility model content
The purpose of this utility model is to provide a kind of frock for laser cutting electret microphone diaphragm, and it facilitates diaphragm contraposition, improves diaphragm contraposition accuracy rate, enhances productivity.
For achieving the above object, the technical solution of the utility model is a kind of electret microphone diaphragm cutting tool of design, comprises the open-topped horizontal support plate of open-topped warehouse and closed warehouse; Described support plate upper surface is provided with the some recesses for placing zona and fitting with zona, and described recess bottom surface is provided with the through hole connecting with support plate lower surface; In described warehouse, be provided with for irradiating the lighting device of recess.
Preferably, the inner chamber of described warehouse is connected with depression generator.
Preferably, described through hole is vertical with support plate.
Preferably, described recess is cylindrical.
Preferably, described through hole is coaxial with recess.
Preferably, described lighting device is placed in warehouse bottom surface.
Preferably, described depression generator comprises the pipeline being connected with warehouse inner chamber and is located on pipeline for the external axial flow blower of exhaust.
The spacing of support plate recess can be applicable to producing according to the spacing setting of zona on diaphragm, reduces diaphragm waste.Recess is the zona on diaphragm fixedly, can avoid because temperature reason causes film to shrink, causing that zona moves after laser cutting film.
On diaphragm, zona quantity is more, does not have before light device, cannot rapidly and accurately zona be aimed to position, recess hole; Adopt after lighting, the light of light device can see through through hole, recess, visual contraposition, and on diaphragm, each zona can be put into each recess of support plate fast and accurately, is conducive to simple operation.And light can also see through zona, by observing bright zona, can check out easily the zona that there is no accurate contraposition.
During light cutting, the movement of diaphragm, can cause the generation of defective products; Adopt depression generator, can produce negative pressure at warehouse inner chamber, warehouse inner chamber is communicated with diaphragm and zona thereof by through hole, recess, and then by negative pressure, diaphragm is fixed on support plate, each zona is fixed in recess, the movement of diaphragm in the time of effectively reducing or avoid laser cutting, and diaphragm does not produce displacement, heaves, during laser cutting, zona is circular, reduces the burr of zona.
And negative pressure can facilitate zona automatically to fall in recess corresponding to (being inhaled into), accelerates zona to bit rate.
Advantage of the present utility model and beneficial effect are: a kind of frock for laser cutting electret microphone diaphragm is provided, it facilitates diaphragm contraposition, improve diaphragm contraposition accuracy rate, enhance productivity, can and effectively reduce or avoid the movement of diaphragm in laser cutting process and zona thereof, improved the yield of product.
Perceptual contraposition when this frock has been simplified artificial installation diaphragm, can effectively, accurately install diaphragm after employing lighting device, and contraposition accuracy rate improves more than 50%, and production efficiency improves more than 30%.
Adopt depression generator, by increasing after warehouse inner chamber negative pressure absorption diaphragm and zona thereof, effectively reduce or avoided the movement of diaphragm in laser cutting process and zona thereof, improved the yield of product.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is the schematic diagram of support plate.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present utility model is further described.Following examples are only for the technical solution of the utility model is more clearly described, and can not limit protection domain of the present utility model with this.
The concrete technical scheme of implementing of the utility model is:
As shown in Figure 1, a kind of electret microphone diaphragm 8 cutting tools, comprise the open-topped horizontal support plate 2 of open-topped warehouse 1 and closed warehouse 1; Described support plate 2 upper surfaces are provided with the some recesses 3 for placing zona 9 and fitting with zona 9, and described recess 3 bottom surfaces are provided with the through hole 4 connecting with support plate 2 lower surfaces; In described warehouse 1, be provided with for irradiating the lighting device 5 of recess 3, described lighting device 5 is placed in warehouse 1 bottom surface.Described through hole 4 is vertical with support plate 2.Described recess 3 is cylindrical.Described through hole 4 is coaxial with recess 3.The inner chamber of described warehouse 1 is connected with depression generator.Described depression generator comprises the pipeline 6 being connected with warehouse 1 inner chamber and is located on pipeline 6 for the external axial flow blower 7 of exhaust.
The spacing of support plate 2 recesses 3 can be applicable to producing according to the spacing setting of zona 9 on diaphragm 8, reduces diaphragm 8 wastes.Recess 3 is the zona 9 on diaphragm 8 fixedly, can avoid because temperature reason causes film to shrink, causing that zona 9 moves after laser cutting film.
On diaphragm 8, zona 9 quantity are more, do not have before light device 5, cannot rapidly and accurately zona 9 be aimed to recess 3 positions, hole; Adopt after lighting, the light of light device 5 can see through through hole 4, recess 3, visual contraposition, and on diaphragm 8, each zona 9 can be put into support plate 2 each recesses 3 fast and accurately, is conducive to simple operation.And light can also see through zona 9, by observing bright zona 9, can check out easily and there is no the zona of accurate contraposition 9.
During light cutting, the movement of diaphragm 8, can cause the generation of defective products; Adopt depression generator, can produce negative pressure at warehouse 1 inner chamber, warehouse 1 inner chamber is communicated with diaphragm 8 and zona 9 thereof by through hole 4, recess 3, and then by negative pressure, diaphragm 8 is fixed on support plate 2, each zona 9 is fixed in recess 3, the movement of diaphragm 8 in the time of effectively reducing or avoid laser cutting, and diaphragm 8 does not produce displacement, heaves, during laser cutting, zona 9 is circular, reduces the burr of zona 9.
And negative pressure can facilitate zona 9 automatically to fall in recess 3 corresponding to (being inhaled into), accelerates 9 pairs of bit rates of zona.
The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (7)

1. electret microphone diaphragm cutting tool, is characterized in that, comprises the open-topped horizontal support plate of open-topped warehouse and closed warehouse; Described support plate upper surface is provided with the some recesses for placing zona and fitting with zona, and described recess bottom surface is provided with the through hole connecting with support plate lower surface; In described warehouse, be provided with for irradiating the lighting device of recess.
2. electret microphone diaphragm cutting tool according to claim 1, is characterized in that, the inner chamber of described warehouse is connected with depression generator.
3. electret microphone diaphragm cutting tool according to claim 2, is characterized in that, described through hole is vertical with support plate.
4. electret microphone diaphragm cutting tool according to claim 3, is characterized in that, described recess is cylindrical.
5. electret microphone diaphragm cutting tool according to claim 4, is characterized in that, described through hole is coaxial with recess.
6. electret microphone diaphragm cutting tool according to claim 5, is characterized in that, described lighting device is placed in warehouse bottom surface.
7. according to the electret microphone diaphragm cutting tool described in claim 2 or 6, it is characterized in that, described depression generator comprises the pipeline being connected with warehouse inner chamber and is located on pipeline for the external axial flow blower of exhaust.
CN201320717856.1U 2014-03-17 2014-03-17 Electret microphone diaphragm cutting tool Active CN203579017U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320717856.1U CN203579017U (en) 2014-03-17 2014-03-17 Electret microphone diaphragm cutting tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320717856.1U CN203579017U (en) 2014-03-17 2014-03-17 Electret microphone diaphragm cutting tool

Publications (1)

Publication Number Publication Date
CN203579017U true CN203579017U (en) 2014-05-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320717856.1U Active CN203579017U (en) 2014-03-17 2014-03-17 Electret microphone diaphragm cutting tool

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CN (1) CN203579017U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104070291A (en) * 2014-06-30 2014-10-01 济南金强激光数控设备有限公司 Laser automatic puncher
CN106583944A (en) * 2016-12-09 2017-04-26 无锡航亚科技股份有限公司 Device and method for cutting flash of forging

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104070291A (en) * 2014-06-30 2014-10-01 济南金强激光数控设备有限公司 Laser automatic puncher
CN106583944A (en) * 2016-12-09 2017-04-26 无锡航亚科技股份有限公司 Device and method for cutting flash of forging

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