CN204177688U - The spring pressurization formula silk wadding quilt compression resilience tester of deformation based sensor - Google Patents
The spring pressurization formula silk wadding quilt compression resilience tester of deformation based sensor Download PDFInfo
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- CN204177688U CN204177688U CN201420583551.0U CN201420583551U CN204177688U CN 204177688 U CN204177688 U CN 204177688U CN 201420583551 U CN201420583551 U CN 201420583551U CN 204177688 U CN204177688 U CN 204177688U
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- wadding quilt
- quilt compression
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Abstract
The utility model relates to the spring pressurization formula silk wadding quilt compression resilience tester of deformation based sensor.The tester that object is to provide should have higher measuring accuracy, and has compact conformation, feature easy to use.Technical scheme is: a kind of motor-driven silk wadding quilt compression resilience tester, comprise framework, pressing mechanism, data display equipment, for being placed on the test compressing tablet of sample upper surface, infrared distance sensor and control module; Described control module is conducted by data line and described infrared distance sensor, data display equipment; Described pressing mechanism is spring pressurization mechanism, comprise two vertically arrange and by motor-driven screw mandrel, by aforementioned two rhizoid bars drive do oscilaltion campaign pressurization transverse slat, be vertically fixed on and pressurize between transverse slat bottom and pressing plate and to turn down the spring of pressing test product and the displacement transducer for measuring pressure plate shift length by pressing plate; Institute's displacement sensors is also conducted by data line and control module.
Description
Technical field
The utility model relates to a kind of survey instrument, and specifically a kind of spring pressurization formula of deformation based sensor measures the tester of silk wadding quilt compression resilience.
Background technology
Due to one of important indicator that compression resilience is silk wadding quilt quality, therefore need in process of production to carry out dependence test to obtain the compression resilience data of product to silk wadding quilt, current test mode mainly contains manual test and uses silk wadding quilt compression resilience tester to test.When using silk wadding quilt compression resilience tester, the accuracy rate of its test result and work efficiency can obtain larger lifting than with manual test, but the part that also comes with some shortcomings:
At present, silk wadding quilt compression resilience tester is pressurizeed by the mode of counterweight, and its shortcoming is: instrument is heavy, structure is not compact; Carrying inconvenience, first must fix counterweight to avoid counterweight to rock and to collide before carrying; Counterweight long rear easily wearing and tearing service time, thus measuring accuracy is affected.
Utility model content
The purpose of this utility model overcomes the deficiency in above-mentioned background technology, a kind of spring pressurization formula silk wadding quilt compression resilience tester of deformation based sensor is provided, this tester should have higher measuring accuracy, and has compact conformation, feature easy to use.
The technical solution of the utility model is: a kind of motor-driven silk wadding quilt compression resilience tester, comprise framework, pressing mechanism, data display equipment, for being placed on the test compressing tablet of sample upper surface, infrared distance sensor and control module; Described control module is conducted by data line and described infrared distance sensor, data display equipment;
It is characterized in that: described pressing mechanism is spring pressurization mechanism, comprise two vertically arrange and by motor-driven screw mandrel, by aforementioned two rhizoid bars drive do oscilaltion campaign pressurization transverse slat, be vertically fixed on and pressurize between transverse slat bottom and pressing plate and to turn down the spring of pressing test product and the displacement transducer for measuring pressure plate shift length by pressing plate; Institute's displacement sensors is also conducted by data line and control module.
Described motor is connected with one of them screw mandrel by shaft coupling, and keeps the synchronous axial system of two screw mandrels by belt wheel mechanism.
Described belt wheel mechanism comprises the belt wheel being separately fixed at two screw mandrel upper ends and the belt matched with aforementioned belt wheel.
Described framework comprises the two pieces of mainboards stood respectively in front and back, stands two blocks of side plates in the left and right sides respectively, from top to bottom alignment and horizontally disposed top board, intermediate plate and base plate in the region that mainboard and side plate surround.
Described intermediate plate surrounds one for locating the rectangular area of sample by three L-type baffle plates.
The quantity of described distance measuring sensor is four and is separately positioned on the corner of top board.
Described screw lead is preferably 5mm.
This tester also configures one for being placed on the test compressing tablet of sample upper surface.
The beneficial effects of the utility model are:
The utility model can directly be exerted a force to test compressing tablet by the vertical direction by spring pressurization mechanism, and the data can fed back by displacement transducer, significantly improve by the measuring accuracy of series products compression resilience; And described pressing mechanism is reduced to pressure structure directly and accurately, the size of force can be changed as required; In addition, the utility model also has structure feature simple and easy to use.
Described displacement sensor scope is 0-10mm, measuring accuracy≤0.1mm.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model.
Fig. 2 is the detonation configuration schematic diagram of the utility model middle frame.
Fig. 3 is the detonation configuration schematic diagram of pressing mechanism in the utility model.
Fig. 4 is the structural representation of pressing mechanism in utility model.
Fig. 5 is view to be tested in the utility model.
Fig. 6 is 2kgf power pressurized state schematic diagram in the utility model.
Fig. 7 is 4kgf power pressurized state schematic diagram in the utility model.
Embodiment
Below in conjunction with Figure of description, the utility model is described in further detail, but the utility model is not limited to following examples.
The tester of spring pressurization silk wadding quilt compression resilience as shown in Figure 1, comprises framework, pressing mechanism, data display equipment, four infrared distance sensors and control module (omitting in figure).Described four infrared distance sensors are arranged on top board lower face four angles, for detecting the distance between distance measuring sensor and test compressing tablet downwards.
As shown in Figure 2, described framework comprises and stands at the passive two pieces of mainboards of surrounding 1, two blocks of side plates 2; In the region that mainboard and side plate surround, from top to bottom alignment and horizontally disposed top board 5, intermediate plate 6 and base plate 7 (top board, intermediate plate and base plate all adopt aluminum section frame to make); Three the L-type sectioned baffle 6-2 be fixed on intermediate plate surround the rectangular testing zone that has opening; This test zone, for locating sample, is beneficial to pressurization transverse slat vertical motion and carries out applied voltage test.Data display equipment is arranged on the upper surface of top board usually.
As shown in Figure 3, Figure 4, described pressing mechanism comprises two and vertically arranges and rotating screw mandrel 8-4, the bearing 8-6 of four assembling screw mandrels, and wherein two bearings are fixed in top board 5 lower surface, and another two bearings are fixed in the lower surface of intermediate plate 6; Two belt wheel 8-5 being fixed on the screw mandrel upper end shaft shoulder, connecting to coordinating with belt 8-7 forms belt wheel mechanism; A pressurization transverse slat 8-12 coordinates with two rhizoid bar 8-4 respectively by two nut sleeve 8-16 (nut sleeve is fixed on pressurization transverse slat by nut block set 14); The cylinder on pressing plate 8-18 top up inserts the sleeve 8-13 be positioned on pressurization transverse slat movably, and spring 8-17 is positioned in the cavity formed between pressing plate cylinder and sleeve; Institute displacement sensors 8-19 is fixed on the sleeve of pressurization transverse slat middle part, (extension bar can in the pedestal of upward retraction displacement transducer in a compressed state for the extension bar of displacement transducer bottom, thus send the displacement signal recorded) down through after the cylinder on sleeve and pressing plate top, the screw thread of extension bar bottom and the threaded hole of pressing plate 8-18 bottom affixed.The top of described screw mandrel is arranged on the Kong Weizhong of top board 5 correspondence by bearing 8-6, and the bottom of screw mandrel is also fixed in two mounting hole site of intermediate plate 6 by bearing vertically downward.Described motor 8-1 to be loaded on below intermediate plate 6 and to be connected with the bottom of one of them screw mandrel by shaft coupling 8-2.Drive right-hand member screw mandrel to rotate during electric motor starting, thus by belt wheel mechanism, make two screw mandrels keep synchronous axial system, drive pressurization transverse slat vertical motion to complete pressurization and the retraction process of compressing tablet.
Described test compressing tablet (omitting in figure) is a plane lamina, is generally sheet metal (as stainless steel substrates) or nonmetallic slices (as plastic sheet); Place in the test during use, for flattening the upper surface (sample is placed on the upper surface of intermediate plate 2) of sample.
The utility model can apply pressure to test compressing tablet by the vertical direction by pressing mechanism, efficiently can be changed the size of pressure by the combination of actions of motor; Therefore effectively improve pumping efficiency, improve the measuring accuracy of silk wadding quilt compression resilience; And this pressing mechanism also has structure feature simple and easy to use.
Described motor controls the size of power output by twice motion, and effective power output is 2 ㎏ f, 4 ㎏ f (thrust is determined as required, and recommendation is 2*9.8=19.6N).
The recommendation power of described motor is 1NM/S, and spring recommends elasticity coefficient to be 4000N/M; Owing to considering pressing plate deadweight, when during 19.6N pressurization, amount of spring compression is a, 39.2N pressurization, amount of spring compression is b (a, b are conducted oneself with dignity by the elastic coefficient and pressing plate and determine).
The principle of work of described driver part is:
During non-pressurized state (as shown in Figure 5), motor and screw mandrel all remain static, and pressurization transverse slat remains on above test zone, and spring, displacement transducer extension bar and pressing plate naturally droop.
When testing: (1) as shown in Figure 6,2kgf power pressurized state: first motor 8-1 rotates forward, makes two rhizoid bars synchronous axial system in the same way by belt wheel and belt, pressurization transverse slat progressively declines; When displacement transducer records, to test compressing tablet pressure size when spring contraction amount is a be 19.6N (2kg*9.8N/kg), can record 2kgf force data; When to record amount of spring compression be b to displacement transducer, be 4gkf power pressurized state, 4kgf force data can be recorded.When motor rotates backward, pressurization cross bar rises, for removing test mode.
Described infrared distance sensor is used for measuring (obtaining sample thickness data especially by the range finding of test compressing tablet) sample thickness, and the quantity of infrared distance sensor is four and is separately positioned on four upper summits (i.e. the corner of top board) of test zone; Described infrared distance sensor measurement range is 10cm ~ 80cm, measuring accuracy≤1mm; Ultrared transmitting boundary to be fully taken into account when arranging infrared distance sensor; After the distance between infrared distance sensor and intermediate plate being deducted the distance between infrared distance sensor and test compressing tablet, then deduct the thickness of test compressing tablet, the one-tenth-value thickness 1/10 of sample can be obtained.
Described control module (omitting in figure) is connected with described infrared distance sensor, displacement transducer, data display equipment; Described control module is used for control and exerts pressure time, stand-by period, data processing and display measurement result.The equal buyable of described control module, infrared distance sensor, displacement transducer obtains.
Measuring method of the present utility model is as follows:
1, prepare three groups of samples of 20cm × 20cm, one group of sample is neatly stacked in the test zone of framework, test compressing tablet is lain in sample upper surface;
2, the utility model is started, first motor 8-1 starts, drive pulley apparatus moves, make two screw mandrels synchronous axial system in the same way, pressurization transverse slat 8-12 declines, displacement transducer starts range finding and signal is returned control module when electric motor starting, when to record telescopic spring amount be a to displacement transducer, the pressure that now test compressing tablet is subject to is 19.6N (2kg*9.8N/kg), wait for 30 seconds and pressurize afterwards transverse slat upward retraction, wait for and exerting pressure to sample after 30 seconds again, after repeating 3 above-mentioned steps, infrared distance sensor starts range finding and signal is returned control module;
3, measure complete pressurization transverse slat for 3 times to rise, wait for after 30 seconds, driven by motor pressurization transverse slat moves down exerts pressure to sample, be b when displacement transducer records spring contraction amount, the pressure that test compressing tablet is subject to is 39.2N (4kg*9.8N/kg*2), wait for 30 seconds and pressurize afterwards that transverse slat upward retraction makes its pressing plate depart from test compressing tablet, infrared distance sensor starts range finding and signal is returned control module;
4, after waiting for 3 minutes, infrared distance measuring sensor starts range finding and signal is returned control module;
5, another two groups of samples are also carried out successively to the operation of above-mentioned 1,2,3,4 steps;
6, control module draws compressibility and the response rate of silk wadding quilt after process calculates, and is shown by data display equipment.
Claims (7)
1. a motor-driven silk wadding quilt compression resilience tester, comprise framework, pressing mechanism, data display equipment, for being placed on the test compressing tablet of sample upper surface, infrared distance sensor and control module; Described control module is conducted by data line and described infrared distance sensor, data display equipment;
It is characterized in that: described pressing mechanism is spring pressurization mechanism, comprise two vertically arrange and the screw mandrel (8-4) driven by motor (8-1), by aforementioned two rhizoid bars drive do oscilaltion campaign pressurization transverse slat (8-12), be vertically fixed on and pressurize between transverse slat bottom and pressing plate (8-18) and to turn down the spring (8-17) of pressing test product and the displacement transducer (8-19) for measuring pressure plate shift length by pressing plate; Institute's displacement sensors is also conducted by data line and control module.
2. motor-driven silk wadding quilt compression resilience tester according to claim 1, is characterized in that: described motor is connected with one of them screw mandrel by shaft coupling (8-2), and keeps the synchronous axial system of two screw mandrels by belt wheel mechanism.
3. motor-driven silk wadding quilt compression resilience tester according to claim 2, is characterized in that: described belt wheel mechanism comprises the belt wheel (8-5) being separately fixed at two screw mandrel upper ends and the belt (8-7) matched with aforementioned belt wheel.
4. motor-driven silk wadding quilt compression resilience tester according to claim 3, it is characterized in that: described framework comprises two pieces of mainboards (1) of standing respectively in front and back, stand two pieces of side plates (2) in the left and right sides respectively, from top to bottom alignment and horizontally disposed top board (5), intermediate plate (6) and base plate (7) in the region that mainboard and side plate surround.
5. motor-driven silk wadding quilt compression resilience tester according to claim 4, is characterized in that: described intermediate plate surrounds one for locating the rectangular area of sample by three L-type baffle plates (6-2).
6. motor-driven silk wadding quilt compression resilience tester according to claim 5, is characterized in that: the quantity of described distance measuring sensor is four and is separately positioned on the corner of top board.
7. motor-driven silk wadding quilt compression resilience tester according to claim 6, is characterized in that: this tester also configures one for being placed on the test compressing tablet of sample upper surface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420583551.0U CN204177688U (en) | 2014-10-10 | 2014-10-10 | The spring pressurization formula silk wadding quilt compression resilience tester of deformation based sensor |
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| CN201420583551.0U CN204177688U (en) | 2014-10-10 | 2014-10-10 | The spring pressurization formula silk wadding quilt compression resilience tester of deformation based sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374658A (en) * | 2014-10-10 | 2015-02-25 | 浙江理工大学 | Spring-loaded silk floss quilt compression resilience tester based on displacement sensor |
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2014
- 2014-10-10 CN CN201420583551.0U patent/CN204177688U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374658A (en) * | 2014-10-10 | 2015-02-25 | 浙江理工大学 | Spring-loaded silk floss quilt compression resilience tester based on displacement sensor |
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