CN202145170U - Sampling device for sound absorbing/insulating coefficient sample and damping coefficient sample - Google Patents
Sampling device for sound absorbing/insulating coefficient sample and damping coefficient sample Download PDFInfo
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- CN202145170U CN202145170U CN201120224611U CN201120224611U CN202145170U CN 202145170 U CN202145170 U CN 202145170U CN 201120224611 U CN201120224611 U CN 201120224611U CN 201120224611 U CN201120224611 U CN 201120224611U CN 202145170 U CN202145170 U CN 202145170U
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- sampler
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- ratio
- sound insulation
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Abstract
The utility model relates to a test sampling device, in particular to a sampling device for a sound absorbing/insulating coefficient sample and a damping coefficient sample. The sampling device comprises a base, a sampler and a controller, wherein the sampler is arranged on the base to prepare the sound absorbing/insulating coefficient sample and the damping coefficient sample; and the controller is connected with the sampler to control the sampler to prepare the sound absorbing/insulating coefficient sample and the damping coefficient sample. The sample prepared by the sampling device is accurate in specification and better in smoothness and consistency of a cutting edge, so that the sampling time and the test period can be shortened, the test cost can be lowered, and the labor can be saved.
Description
Technical field
The utility model relates to a kind of test sampler, particularly a kind of suction sound insulation coefficient sample and ratio of damping sample sampler.
Background technology
Along with the client to vehicle performance require increasingly highly, the NVH of automobile (Noise, Vibration, Harshness, i.e. noise, vibration, comfortableness) performance becomes one of its 16 important performance indexes.Inhale sound-proof material and damping material as one of important channel that promotes car load NVH performance, it is used also more and more widely.The size of inhaling sound insulation coefficient and ratio of damping influences the NVH performance of car load to a certain extent.When the suction sound insulation coefficient of employing standing-wave-tube method and semi-girder resonant method difference test material and ratio of damping, the accuracy of size of sample, the planarization of cut edge and consistance can directly influence precision of test result.Prepare exemplar for the artificial cut-off knife that uses mostly in the prior art; Be difficult to guarantee the requirement of exemplar like this; Particularly for softer cavernosa material and harder hard plastics, the hand sampling difficulty is bigger, and the sample period is longer; And can not guarantee the accuracy of exemplar, edge planarization and consistance.
The utility model content
The technical matters that (one) will solve
The technical matters that the utility model will solve is how to obtain the test of suction sound insulation coefficient efficiently to use sample with sample and ratio of damping test, and guarantees accuracy, edge planarization and the consistance of exemplar.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model embodiment provides a kind of suction sound insulation coefficient sample and ratio of damping sample sampler, comprising:
Support;
Sampler is arranged on the said support, is used for preparation and inhales sound insulation coefficient sample and ratio of damping sample;
Controller is connected with said sampler, is used to control said sampler preparation and inhales sound insulation coefficient sample or preparation ratio of damping sample.
Wherein, said sampler comprises the circular specimen sampler, and said circular specimen sampler comprises:
Bench drill is arranged on the said support through frame;
Cutter is positioned at the below of said bench drill, and is connected with said bench drill;
First worktable is positioned at the below of said cutter.
Said cutter comprises handle of a knife and cutter hub, and an end of said handle of a knife is connected with bench drill through whorl brace rod, and the other end and said cutter hub are spirally connected.
Said cutter hub is a tubular, and its physical dimension is identical with the internal diameter size of impedance tube with suction sound insulation test.
There is relief groove position corresponding to said cutter hub on said first worktable.
Also comprise: clamper.
Wherein, said sampler also comprises the band sample sampler, and said band sample sampler comprises:
Second worktable, said second worktable are provided with two parallel line slide rails;
Cutter;
Electronic part is connected with said cutter.
Said second worktable is provided with pressing plate.
Distance between said two line slide rails is the width of required ratio of damping sample.
(3) beneficial effect
Technique scheme has following beneficial effect: through circular specimen sampler and band sample sampler are arranged on the same support; And control respectively with controller; Can guarantee that suction sound insulation coefficient that the specimen size that obtains meets the standing-wave-tube method test material requires and the ratio of damping requirement of semi-girder resonant method test material; And size of sample is accurate, the planarization and the consistance of cut edge are better; Shorten sample preparation time and test period, reduced experimentation cost, and saved manpower.
Description of drawings
Fig. 1 is the suction sound insulation coefficient sample of the utility model embodiment and the front view of ratio of damping sample sampler;
Fig. 2 is the suction sound insulation coefficient sample of the utility model embodiment and the left view of ratio of damping sample sampler;
Fig. 3 is the tool structures synoptic diagram of the utility model embodiment;
Wherein, 1: the circular specimen sampler; 11: bench drill; 12: cutter; 121: handle of a knife; 122: cutter hub; 123: bolt; 124: whorl brace rod; 13: the first worktable; 131: relief groove; 2: the band sample sampler; 21: the second worktable; 22: slide rail; 23: cutter; 24: pressing plate; 25: electronic part; 26: blade; 3: support; 4: frame.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the embodiment of the utility model is described in further detail.Following examples are used to explain the utility model, but are not used for limiting the scope of the utility model.
Like Fig. 1, Fig. 2 and shown in Figure 3, the suction sound insulation coefficient sample of the utility model embodiment and ratio of damping sample sampler comprise: sampler, frame 4, support 3, and controller.
Wherein, Sampler comprises circular specimen sampler 1 and band sample sampler 2; Circular specimen sampler 1 is used for preparation and inhales the sound insulation coefficient sample; Band sample sampler 2 is used to prepare the ratio of damping sample, and circular specimen sampler 1 all is arranged on the support 3 with band sample sampler 2, and all is connected with the controller (not shown); Controller is used to control circular specimen sampler 1 and 2 work of band sample sampler, all has the control corresponding switch on circular specimen sampler 1 and the band sample sampler 2; Frame 4 also is arranged on the support 3.
Wherein circular specimen sampler 1 comprises: bench drill 11, cutter 12, first worktable 13 and the clamper.Bench drill 11 is supported by frame 4, and it is connected with the whorl brace rod 124 of cutter 12 through bolt, and bench drill 11 is positioned at the top of cutter 12; Particularly, cutter 12 comprises: handle of a knife 121 and cutter hub 122; Wherein an end of handle of a knife 121 is connected with whorl brace rod 124, and the other end of whorl brace rod 126 is connected with bench drill 11 through bolt; The other end of handle of a knife 121 is connected with cutter hub 122 through bolt 123.The profile of cutter hub 122 is a tubulose, and its size is identical with the internal diameter size of the impedance tube of inhaling the sound insulation test material, and wherein the model of cutter hub 122 can be changed according to the size of sample to be prepared.
Band sample sampler 2 comprises second worktable 21, cutter 23, pressing plate 24 and electronic part 25.Two line slide rails 22 are arranged on second worktable 21.
Wherein the distance between two slide rails 22 is the width of required sample, and preferably, spacing is 20mm between two slide rails 22.Pressing plate 24 can be used for that quilt is cut sample and be pressed on second worktable 21 for having the steel plate of constant weight, when cutting test, can pressing plate 24 be fixed on second worktable 21 through particular jig, is cut sample with more steady compressing; Electronic part 25 can be motor, is connected with cutter 23, is used to drive 23 pairs of workpiece of cutter and cuts.
The workflow of the test sampler that the utility model provides is following:
When needs prepare specimen size and are the suction sound insulation coefficient sample of Φ 100 or Φ 29; Grasp workpiece with clamper; Workpiece is placed on first worktable 13, and the CS of circular specimen sampler 1 is opened in controller control, controls circular test sampling machine 1 and carries out work.Bench drill 11 promotes cutters 12 descending and rotations, and sample is downcut, and after cutter 12 stopped the rotation and returns back up to original position then, the artificial taking-up of the workpiece on the cutter 12 got final product.Accomplish the sample sampling this moment.
When needs prepare the ratio of damping sample of the wide 20mm of being; Controller control starts 2 work of band sample sampler, and cutter 23 is moved on two line slide rails 22, and the blade 26 of suitable thin type is installed on the cutter 23; To be placed on second worktable 21 by cut spare; And will be cut sample with pressing plate 24 and compress, the height of the blade 26 of adjustment cutter 23 is controlled electronic part 25 and is driven cutters 23 work.Manually on slide rail 22, move cutter 23, determine required band sample.Cutting finishes, and breaks off CS, moves cutter 23 and returns initial position, unclamps pressing plate 24, takes out workpiece.
The device that the utility model embodiment provides can be used for the cutting of dissimilar different-thickness materials such as sponge, rigid plastic and rubber, and maximum ga(u)ge is cut into 60mm.
Can find out by above embodiment; The utility model embodiment is through being arranged on circular specimen sampler and band sample sampler on the same support, and controls respectively with controller, can guarantee the suction sound insulation coefficient of standing-wave-tube method test material and the ratio of damping of semi-girder resonant method test material; Guarantee that size of sample is accurate, the planarization and the consistance of cut edge are better; And shortened sample preparation time and test period, reduce experimentation cost, and saved manpower.
The above only is the preferred implementation of the utility model; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model know-why, can also make some improvement and modification, these improvement and modification also should be regarded as the protection domain of the utility model.
Claims (9)
1. inhale sound insulation coefficient sample and ratio of damping sample sampler, it is characterized in that, comprising:
Support;
Sampler is arranged on the said support, is used for preparation and inhales sound insulation coefficient sample and ratio of damping sample;
Controller is connected with said sampler, is used to control said sampler preparation and inhales sound insulation coefficient sample or preparation ratio of damping sample.
2. suction sound insulation coefficient sample as claimed in claim 1 and ratio of damping sample sampler is characterized in that said sampler comprises the circular specimen sampler, and said circular specimen sampler comprises:
Bench drill is arranged on the said support through frame;
Cutter is positioned at the below of said bench drill, and is connected with said bench drill;
First worktable is positioned at the below of said cutter.
3. suction sound insulation coefficient sample as claimed in claim 2 and ratio of damping sample sampler is characterized in that said cutter comprises handle of a knife and cutter hub, and an end of said handle of a knife is connected with bench drill through whorl brace rod, and the other end and said cutter hub are spirally connected.
4. suction sound insulation coefficient sample as claimed in claim 3 and ratio of damping sample sampler is characterized in that said cutter hub is a tubular, and its physical dimension is identical with the internal diameter size of impedance tube with suction sound insulation test.
5. suction sound insulation coefficient sample as claimed in claim 3 and ratio of damping sample sampler is characterized in that the position corresponding to said cutter hub on said first worktable is provided with relief groove.
6. like each described suction sound insulation coefficient sample of claim 2-5 and ratio of damping sample sampler, it is characterized in that, also comprise: clamper.
7. suction sound insulation coefficient sample as claimed in claim 1 and ratio of damping sample sampler is characterized in that said sampler also comprises the band sample sampler, and said band sample sampler comprises:
Second worktable, said second worktable are provided with two parallel line slide rails;
Cutter;
Electronic part is connected with said cutter.
8. suction sound insulation coefficient sample as claimed in claim 7 and ratio of damping sample sampler is characterized in that said second worktable is provided with pressing plate.
9. like claim 7 or 8 described suction sound insulation coefficient samples and ratio of damping sample sampler, it is characterized in that the distance between said two line slide rails is the width of required ratio of damping sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120224611U CN202145170U (en) | 2011-06-29 | 2011-06-29 | Sampling device for sound absorbing/insulating coefficient sample and damping coefficient sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120224611U CN202145170U (en) | 2011-06-29 | 2011-06-29 | Sampling device for sound absorbing/insulating coefficient sample and damping coefficient sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202145170U true CN202145170U (en) | 2012-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120224611U Expired - Fee Related CN202145170U (en) | 2011-06-29 | 2011-06-29 | Sampling device for sound absorbing/insulating coefficient sample and damping coefficient sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202145170U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103578460A (en) * | 2012-07-19 | 2014-02-12 | 徐丰辰 | Vehicle damping noise reduction method |
| CN104786256A (en) * | 2015-05-08 | 2015-07-22 | 吉林大学 | Acoustic material sample cutting machine |
| CN109374736A (en) * | 2018-10-31 | 2019-02-22 | 四川工程职业技术学院 | A kind of device detecting acoustic material sound insulation value |
-
2011
- 2011-06-29 CN CN201120224611U patent/CN202145170U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103578460A (en) * | 2012-07-19 | 2014-02-12 | 徐丰辰 | Vehicle damping noise reduction method |
| CN104786256A (en) * | 2015-05-08 | 2015-07-22 | 吉林大学 | Acoustic material sample cutting machine |
| CN109374736A (en) * | 2018-10-31 | 2019-02-22 | 四川工程职业技术学院 | A kind of device detecting acoustic material sound insulation value |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120215 Termination date: 20170629 |