CN100364684C - Equipment and technique for producing micro seam acoustic board - Google Patents
Equipment and technique for producing micro seam acoustic board Download PDFInfo
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- CN100364684C CN100364684C CNB2005100147416A CN200510014741A CN100364684C CN 100364684 C CN100364684 C CN 100364684C CN B2005100147416 A CNB2005100147416 A CN B2005100147416A CN 200510014741 A CN200510014741 A CN 200510014741A CN 100364684 C CN100364684 C CN 100364684C
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- acoustic board
- micro seam
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- seam acoustic
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Abstract
The present invention discloses a device for producing micro seam sound-absorbing boards. The present invention comprises a power system, a precise press system, a parameter definite system and a parameter testing instrument which are mutually connected, wherein a punch rotating arm of the precise press system controls a male mould of a press mould to move up and down. A plurality of punch heads are arranged on the male mould. The end part of the punch head is in a sloping surface structure. The precise press system adopts a manual mode or an automatic step mode. The parameter testing instrument comprises a light source, a lens and a reflecting mirror. The punch heads are arranged into a line or a plurality of lines and rows. The stroke of the male mould which moves downwards controls the width of a gap of the micro seam sound-absorbing board. The width of the gap on the micro seam sound-absorbing board is between 20 micrometers and 50 micrometers. The length of an upper punch head of the micro seam sound-absorbing board is from 1.5 millimeters to 5.0 millimeters. The parameter testing instrument adopts a JT-9 type optical projection measuring instrument. The present invention also discloses the manufacturing technique which utilizes the device for producing micro seam sound-absorbing boards.
Description
Technical field
The present invention relates to a kind of production equipment and technology of acoustic board, especially relate to a kind of micro seam acoustic board production equipment and technology.
Background technology
Along with big industrial continuous development, noise pollution has become with air pollution, water pollutes one of three big pollutions arranged side by side, seriously influences people's life and health, and reinforcement is needed in noise abatement work badly.Sound absorption is one of major measure of noise control.
At present, sound-absorbing material commonly used most employing porous material such as mineral wool, mineral wool, perlite, foamed plastics etc., and resonance sound-absorbing structure are as perforated plate sound absorber, thin plate resonance absorber, film material etc.But these materials all have the some shortcomings part, need filler, take up room more greatly, wear out easily and displacement as waterproof and dampproof difficulty, high-low temperature resistant weak effect, back cavity, cause the acoustically effective instability easily, in addition, mineral wool still has problems such as harmful effect to human body.
In the existing theory, also have a kind of slit that adopts to reach acoustically effective.Slit sound absorption theory is that China senior academician Mr. Ma Dayou put forward in 1992, this slit sound absorption structure is owing to crack very narrow, its width that cracks is by several microns to tens microns, thereby processing is difficulty very, up to now, never the product of slit sound absorption structure enters test and practical application.In addition, utilize chemical corrosion method can carry out narrow slit processing, but its production process often needs to draw, takes pictures, makes multiple working procedures such as film, pad pasting, corrosion and cleaning, the operating personnel may contact chemical substance, and its main weak point is that the substrate of this method processing only is confined to thin sheet metal.Though laser cracks and produces feasiblely in theory, and the selection of sheet material character is had very big restriction, and the processing charges height, is difficult for forming large-scale industrial production.Therefore, the production technology of the new sound absorption structure of research and development is significant.
Summary of the invention
It is good to the purpose of this invention is to provide a kind of controllability, and stability is high, can large-scale production, and micro seam acoustic board production equipment and technology easy to utilize.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions: micro seam acoustic board production equipment of the present invention, comprise that interconnective dynamical system, precision stamping system and parameter determine system and parameter detecting instrument, the punch of punch press pivoted arm control diel moves up and down in the described precision stamping system, described punch is provided with a plurality of drifts, and described nose of punch is a ramp structure; Described precision stamping system adopts the automatic or manual stepped form; Described parameter detecting instrument comprises light source, camera lens, speculum.
Micro seam acoustic board production equipment of the present invention, wherein, described a plurality of drifts adopt single distribution, and the spacing on the spacing of described per two adjacent punches and the micro seam acoustic board between the major axis of slit is identical, and the spacing between the minor axis of described slit is by the stepping rate control of punch press.Described a plurality of drift adopts many row's multiple rows to distribute, among the described same row on the spacing of per two adjacent punches and the micro seam acoustic board spacing between the major axis of slit identical, the spacing between the minor axis of described slit is by the stepping rate of precision stamping system or the spacing control of per two row's drifts.The described micro seam acoustic board gap width of the Stroke Control that described punch moves downward, the gap width scope is between 20 microns to 50 microns on the described micro seam acoustic board.The width of described micro seam acoustic board upper punch is that the length of slit is 1.5 millimeters to 5.0 millimeters.The substrate of described micro seam acoustic board adopts metal material to make.
Micro seam acoustic board production technology of the present invention, comprise according to the spacing between product gap length and slit major axis, select the mould of the set appointment specification of taking into account manufacturing and be installed on the equipment, and determine the step-length and the speed of the stepping of precision stamping system according to the spacing between the minor axis of micro seam acoustic board slit; Starting device; Adjusting the stroke that punch moves up and down according to the product gap width, nose of punch in the described equipment, is ramp structure, and the distance that described punch moves downward is proportional with the micro seam acoustic board gap width; Precision stamping; Measure gap width and length.
Micro seam acoustic board production technology of the present invention, finish above-mentioned processing step after, can as required micro seam acoustic board be electroplated.Described gap width is between 20 microns to 50 microns, and described gap length is at 1.5 millimeters to 5.0 millimeters.
Micro seam acoustic board production equipment of the present invention and technology compared with prior art, its beneficial effect is:
(1) mould of precision stamping system design is requirement according to micro seam acoustic board in the micro seam acoustic board production equipment of the present invention, manufacture and design diel, punch-die cooperates closely, and has many punch structures on the punch, the slit quantity that processes at the appointed time is many, the production efficiency height.
(2) nose of punch adopts ramp structure in the micro seam acoustic board production equipment of the present invention, the length of cracking can reach 1.5 millimeters to 5.0 millimeters, the width that cracks can reach 20 microns to 50 microns, its physical dimension of cracking is small, but the back cavity non-filler of its acoustic board product, product takes up room little, the acoustic absorptivity height, cost is low, and is attractive and durable.
(3) micro seam acoustic board production technology of the present invention, technology is easy, have good controllability, process is reliable and stable, can carry out the large-scale production of acoustic board, and is easy to utilize.
(4) micro seam acoustic board substrate of the present invention adopts metal material, can be used for that high temperature, high humidity, gasproof stream impact, fire-retardant, electric shield, needs the noise control of multiple environment such as cleaning, need to be keep secret.As silos for rocket, power houses, spinning and weaving workshop, subway, station waiting room, cinema, sound barrier, secret meeting room and duct attenuation device etc., its life-span is long, attractive in appearance, and ornamental strong, acoustically effective is good.
Description of drawings
Fig. 1 is a diel front view in the micro seam acoustic board production equipment of the present invention;
Fig. 2 is a diel side view in the micro seam acoustic board production equipment of the present invention;
Fig. 3 is the vertical view that utilizes the micro seam acoustic board that the present invention produces;
Fig. 4 is micro seam acoustic board technological process of production figure of the present invention.
Following is the explanation of main Reference numeral in micro seam acoustic board production equipment of the present invention and the process specification accompanying drawing:
1---micro seam acoustic board 2---slit
3---gap width 4---gap length
5---spacing 6 between the minor axis of slit---spacing between the major axis of slit
7---punch 8---die
9---drift 10---nose of punch
The specific embodiment
Below in conjunction with accompanying drawing micro seam acoustic board production equipment of the present invention and technology are done and to be described in further detail.
As shown in Figures 1 to 4, micro seam acoustic board production equipment of the present invention, comprise that interconnective dynamical system, precision stamping system and parameter determine system and parameter detecting instrument, the punch 7 of punch press pivoted arm control diel moves up and down in the described precision stamping system, described punch 7 is provided with a plurality of drifts 9, described drift 9 numbers are many more, and slit 2 quantity that process at the appointed time are many more, and production efficiency is high more; Described nose of punch 10 is a ramp structure; Described precision stamping system adopts automatic stepped form; Described parameter detecting instrument is the optical projection measuring instrument, mainly comprises light source, camera lens, speculum.
Micro seam acoustic board production equipment of the present invention, wherein, described a plurality of drift 9 adopts single distribution, and the spacing 6 on the spacing of described per two adjacent punches 9 and the micro seam acoustic board 1 between the major axis of slit is identical, and the spacing 5 between the minor axis of described slit is controlled by the stepping rate of punch press.Described a plurality of drift 9 adopts many row's multiple rows to distribute, among the described same row on the spacing of per two adjacent punches 9 and the micro seam acoustic board spacing 6 between the major axis of slit identical, the spacing 5 between the minor axis of described slit is by the stepping rate of precision stamping system or the spacing control of per two row's drifts 9.The described micro seam acoustic board gap width 3 of the Stroke Control that described punch 7 moves downward, gap width 3 scopes are between 20 microns to 50 microns on the described micro seam acoustic board 1.The width of described micro seam acoustic board 1 upper punch 9 is 1.5 millimeters to 5.0 millimeters.The substrate of described micro seam acoustic board 1 adopts metal material to make.
Micro seam acoustic board production technology of the present invention may further comprise the steps:
101 spacings according to the long and short between centers of product gap length and slit, select the mould of the above-mentioned designed and appointment specification made and be installed on the equipment, described mould comprises the punch 7 that moves above, Gu Ding die 8 below, and described punch 7 and die 8 cooperate closely.To finish the slit that punching course processes many more and drift 9 more more, and the area of processing micro seam acoustic board 1 is just big more, thereby production efficiency is just high more., the parameter in the present device determines that system is according to the spacing 5 between the minor axis of slit on micro seam acoustic board 1 product, selects control step speed; And select the drift 9 of suitable width according to gap length 4; Equally, the spacing between the major axis of slit 6 is determined by the spacing between adjacent two drifts 9.Also, select the step-length and the speed of the stepping of employing precision stamping system according to the spacing 5 between the slit minor axis of micro seam acoustic board 1.During punching press, the substrate of micro seam acoustic board 1 is positioned between punch 7 and the die 8.
102 starting devices: start described micro seam acoustic board production equipment.
103 utilize the parameter in the equipment to determine that system adjusts parameter, promptly adjust the stroke that punch 7 moves up and down according to product gap width 3: nose of punch 10 is ramp structure in the described equipment, the distance that described punch 7 moves downward is proportional with the gap width 3 of micro seam acoustic board 1, according to different noise spectrums, need the different parameters of cracking, wherein one of most important parameter is a gap width 3, this numerical value need rely on the stroke up and down of adjusting punch 7 in the precision stamping system to determine, nose of punch 10 face is the inclined-plane in the punch, sink to controlling the degree of depth that drift 9 enters the acoustic board metal substrate by control punch press pivoted arm, to reach desired gap width 3, described drift 9 deflections are big, be that drift 9 enters deeply then slit 2 broads of substrate, otherwise slit 2 is narrower.
104 precision stampings: behind micro seam acoustic board 1 substrate material loading, rotate the distance that described equipment pivoted arm control punch 7 moves downward, thereby guarantee that drift enters the degree of depth of substrate, cut off substrate by the ramp structure of nose of punch 10 and form one group of slit 2; In addition, spacing 5 between the minor axis of described slit is by the stepping rate of precision stamping system or the spacing control of per two row's drifts 9, stepping during precision stamping can be manual stepping, but identical in order to guarantee above-mentioned spacing, the stepping during its precision stamping is preferably automatic stepping.Present device repeats above-mentioned precision stamping process, thereby finishes the processing in whole slits 2 according to the continuous automatically material of stepped parameter.
105 use detecting instrument to measure gap width 3 and gap length 4, in above-mentioned punching course, whenever finish press cycle one time, and detecting instrument is just followed the tracks of and detected gap width and gap length, so that carry out quality control.Described detecting instrument can adopt JT-9 type optical projection measuring instrument.
106 finish above-mentioned processing step after, can electroplate micro seam acoustic board 1 as required, and the electrodepositable different colours.It should be noted that meeting corroding metal when electroplating, thereby can be influential slightly to the parameter in slit 2, grasp the change amount of electroplating in the Ying Xiancong test to slot parameter, draw preset value by conversion again, make plating not influence the parameter in slit 2.
In micro seam acoustic board production technology of the present invention, described gap width 3 is between 20 microns to 50 microns, and described gap length 4 is at 1.5 millimeters to 5.0 millimeters.
Although in conjunction with the accompanying drawings micro seam acoustic board production equipment of the present invention and technology are described above; but the present invention is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away under the scope situation that aim of the present invention and claim protect, can also make a lot of forms, these all belong within the protection of the present invention.
Claims (10)
1. micro seam acoustic board production equipment, comprise that interconnective dynamical system, precision stamping system and parameter determine system and parameter detecting instrument, it is characterized in that, the punch of punch press pivoted arm control diel moves up and down in the described precision stamping system, described punch is provided with a plurality of drifts, and described nose of punch is a ramp structure; Manual or the automatic stepped form of described precision stamping system's employing; Described parameter detecting instrument comprises light source, camera lens and speculum.
2. according to the described micro seam acoustic board production equipment of claim 1, wherein, described a plurality of drift adopts single distribution, and the spacing on the spacing of described per two adjacent punches and the micro seam acoustic board between the major axis of slit is identical, and the spacing between the minor axis of described slit is by the stepping rate control of punch press.
3. according to the described micro seam acoustic board production equipment of claim 1, wherein, described a plurality of drift adopts many row's multiple rows to distribute, among the described same row on the spacing of per two adjacent punches and the micro seam acoustic board spacing between the major axis of slit identical, the spacing between the minor axis of described slit is by the stepping rate of precision stamping system or the spacing control of per two row's drifts.
4. according to the described micro seam acoustic board production equipment of claim 1, wherein, the described micro seam acoustic board gap width of the Stroke Control that described punch moves downward, the gap width scope is between 20 microns to 50 microns on the described micro seam acoustic board.
5. according to the described micro seam acoustic board production equipment of claim 1, wherein, the width of described micro seam acoustic board upper punch is 1.5 millimeters to 5.0 millimeters.
6. according to the described micro seam acoustic board production equipment of claim 1, wherein, described parameter detecting instrument adopts the optical projection measuring instrument.
7. a production technology that adopts micro seam acoustic board production equipment according to claim 1 to carry out micro seam acoustic board is characterized in that, comprising:
At first, according to the spacing of the long and short between centers of micro seam acoustic board product gap length and slit, select the above-mentioned set mould of taking into account the appointment specification of manufacturing to be installed on the equipment;
Start described micro seam acoustic board production equipment;
Utilize the parameter in the equipment to determine that system adjusts parameter: nose of punch is a ramp structure in the described equipment, the distance that described punch moves downward is proportional with the micro seam acoustic board gap width, according to micro seam acoustic board gap width to be processed, adjust the stroke up and down of punch in the precision stamping system; Determine the step-length and the speed of the stepping of precision stamping system according to the spacing between the micro seam acoustic board major axis;
Precision stamping: behind micro seam acoustic board substrate material loading, rotate the distance that described equipment pivoted arm control punch moves downward, thereby guarantee that drift enters the degree of depth of substrate, cut off substrate by the ramp structure of nose of punch and form one group of slit; According to the continuous automatically material of stepped parameter, repeat above-mentioned precision stamping process, thereby finish the processing in whole slits;
The operation parameter detecting instrument is measured gap width and gap length.
8. according to the described micro seam acoustic board production technology of claim 7, wherein, finish above-mentioned processing step after, carry out electroplating technology.
9. described according to Claim 8 micro seam acoustic board production technology wherein, is electroplated micro seam acoustic board become colored as required.
10. according to claim 7,8 or 9 described micro seam acoustic board production technologies, wherein, described gap width is between 20 microns to 50 microns, and described gap length is at 1.5 millimeters to 5.0 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100147416A CN100364684C (en) | 2005-08-15 | 2005-08-15 | Equipment and technique for producing micro seam acoustic board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100147416A CN100364684C (en) | 2005-08-15 | 2005-08-15 | Equipment and technique for producing micro seam acoustic board |
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| Publication Number | Publication Date |
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| CN1733382A CN1733382A (en) | 2006-02-15 |
| CN100364684C true CN100364684C (en) | 2008-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100147416A Expired - Fee Related CN100364684C (en) | 2005-08-15 | 2005-08-15 | Equipment and technique for producing micro seam acoustic board |
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2005
- 2005-08-15 CN CNB2005100147416A patent/CN100364684C/en not_active Expired - Fee Related
Patent Citations (8)
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|---|---|---|---|---|
| CN2062659U (en) * | 1990-03-27 | 1990-09-26 | 江西光学仪器总厂七分厂 | Micropore punching die |
| US6194052B1 (en) * | 1996-01-25 | 2001-02-27 | Dale Knipstein | Soundabsorbing element and procedure for manufacture of this element and use of this element |
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| CN1733382A (en) | 2006-02-15 |
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