CN207964831U - A kind of device of detection sample shrinkage character - Google Patents
A kind of device of detection sample shrinkage character Download PDFInfo
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- CN207964831U CN207964831U CN201820475811.0U CN201820475811U CN207964831U CN 207964831 U CN207964831 U CN 207964831U CN 201820475811 U CN201820475811 U CN 201820475811U CN 207964831 U CN207964831 U CN 207964831U
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- fixture
- shrinkage character
- force snesor
- sliding block
- pedestal
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Abstract
The utility model discloses a kind of device of detection sample shrinkage character, shrinkage character detection station including pedestal, on pedestal, the shrinkage character detection station includes shrinking percentage detection station, the shrinking percentage detection station includes the first force snesor, first time fixture, the first upper fixture, sliding block and the driving mechanism for driving slide block movement, the both ends of sample are clamped in first upper fixture and first time fixture respectively, first force snesor links together with first time fixture, first upper fixture links together with sliding block, and sliding block is connected with driving mechanism.The utility model can accurately detect the shrinking percentage of sample, and error is small.
Description
Technical field
The utility model is related to a kind of devices of detection sample shrinkage character, for detecting the plastic products such as film, adhesive tape
Shrinkage character.
Background technology
Plastic product（Film, adhesive tape etc.）With thermoplasticity, i.e., product is caused to generate contraction distortion as environment converts
The case where.Influence of this characteristic of material to materials'use and production process is great.It is this in order to more reasonably utilize
Characteristic, it is therefore desirable to which the shrinking percentage of material itself is accurately tested.
The method of detection material sample shrinking percentage has very much, can use the direct method of measurement, displacement sensor can also be used
It measures.It is well known that method error measured directly is very big, and can not be used under certain special working conditions.
Although displacement sensor precision is higher, its premise calls has certain pulling force to drive its work, could normally measure.Cause
This is for some small materials for shrinking force value (being less than general displacement sensor driving pulling force or 0.1N or less), due to frictional force
In the presence of the convergent force of material itself cannot cause displacement sensor to be subjected to displacement, so can not accurately be detected.Pass through volume
Code device angle measurement calculates the mode of displacement, because to the needs of small force value tests, the sufficiently small ability of encoder frictional force
Ensure the test of small force value sample, but frictional force is too small and is susceptible to the phenomenon that encoder delays work, to influence to tie
The precision of fruit.
Invention content
In view of the drawbacks of the prior art, the utility model provides a kind of device of detection sample shrinkage character, can be accurate
The shrinking percentage of sample is detected, error is small.
In order to solve the technical problem, the technical solution adopted in the utility model is：A kind of detection sample shrinkage character
Device, including pedestal, the shrinkage character detection station on pedestal, the shrinkage character detection station includes shrinking percentage inspection
Station is surveyed, the shrinking percentage detection station includes the first force snesor, first time fixture, the first upper fixture, sliding block and driving
The both ends of sample, the first force snesor and is clamped in the driving mechanism of slide block movement, the first upper fixture and first time fixture respectively
Once fixture links together, and the first upper fixture links together with sliding block, and sliding block is connected with driving mechanism.
The device of detection sample shrinkage character described in the utility model, the shrinkage character detection station further includes convergent force
Detection station, the systolic pressure measurement station include the second force snesor, second time fixture and the second upper fixture, the second upper fixture
The both ends of sample are clamped respectively with second time fixture, the second force snesor links together with second time fixture；In driving mechanism
End is connected with mounting plate, and mounting plate is fixedly connected with the second upper fixture；First force snesor, the second force snesor and driving mechanism
It is connected respectively with controller.
The device of detection sample shrinkage character described in the utility model, the driving mechanism includes motor, leading screw and optical axis,
Leading screw and optical axis is parallel is set between pedestal and mounting plate, is provided with the hole for making leading screw and optical axis pass through, and leading screw on sliding block
The internal thread to match with the external screw thread on leading screw is provided on the hole passed through, motor output shaft links together with leading screw.
It is described in the utility model detection sample shrinkage character device, the driving mechanism include motor, gear, rack and
Optical axis, rack and optical axis is parallel is set between pedestal and mounting plate, motor links together with sliding block, the output shaft of motor
Connection gear, wheel and rack are meshed, and optical axis passes through sliding block.
The device of detection sample shrinkage character described in the utility model, the driving mechanism are linear motor, linear motor
Mover seat be connected with sliding block.
The device of detection sample shrinkage character described in the utility model, the first force snesor and first time fixture, the second power
Together, first time fixture, second time fixture are located at the axis connection that sensor and second time fixture pass through pedestal by one
The top of pedestal, the first force snesor, the second force snesor are located at the lower section of pedestal.
The device of detection sample shrinkage character described in the utility model, the first upper fixture, first time fixture press from both sides on second
Tool, second time fixture include two hinged clamping jaws, one of clamping jaw be equipped with clamping knob, clamping knob and
The clamping jaw spiral at place connects.
The device of detection sample shrinkage character described in the utility model, the second upper fixture pass through connector and mounting plate phase
Even, connector includes top plate and bottom plate and side plate that top plate and bottom plate link together, and the second upper fixture is connected to bottom plate
Together, top plate links together with mounting plate.
The device of detection sample shrinkage character described in the utility model, the shrinking percentage detection station and systolic pressure measurement work
Position is sealed in temperature control box.
The device of detection sample shrinkage character described in the utility model, pedestal are detected equipped with one group or more of shrinkage character
Station.
The beneficial effects of the utility model：The device of detection sample shrinkage character described in the utility model uses force snesor
The convergent force of sample is detected, the driving mechanism slided and drive sliding motion, when sample shrinks deformation, sensor are equipped with
Detect that force value changes, driving mechanism generates enough displacements to offset the power of sample deformation generation with movable slider, passes through meter
The shrinking percentage of sample can be calculated by calculating the displacement of sliding block movement.Because using force snesor, can detect smaller
Force value is shunk, force snesor and driving mechanism are connect with controller respectively, controller closed-loop control force snesor and driving mechanism,
Stablized using closed-loop control and driving structure, driving mechanism fortune can be just controlled after controller receives sample shrinkage tensions signal
It is dynamic, when no force value signal driving mechanism can reliable self-locking, will not have the possibility of malfunction.Ensure that test result is accurate,
The measurement accuracy for improving shrinking percentage solves the problems, such as that sample shrinking percentage can not be detected accurately.
Description of the drawings
Fig. 1 is the structural schematic diagram of the device of detection sample shrinkage character described in embodiment 1；
Fig. 2 is the side structure schematic view of Fig. 1；
Fig. 3 is the partial enlarged view of Fig. 2；
Fig. 4 is the structural schematic diagram of the device of detection sample shrinkage character described in embodiment 2；
Fig. 5 is the structural schematic diagram of the device of detection sample shrinkage character described in embodiment 3；
In figure：1, pedestal, 2, first time fixture, the 3, first force snesor, the 4, first upper fixture, 5, sliding block, 6, motor, 7,
Temperature control box, 8, sample, 9, leading screw, 10, mounting plate, 11, optical axis, 12, connector, the 13, second upper fixture, 14, second time fixture,
15, the second force snesor, 16, gear, 17, rack, 18, linear motor, 19, clamping jaw, 20, clamping knob, 21, bottom plate, 22, top
Plate, 23, side plate.
Specific implementation mode
The utility model is further described in the following with reference to the drawings and specific embodiments.
Embodiment 1
As shown in Figure 1, 2, a kind of device of detection sample shrinkage character, including pedestal 1, the contraction spy on pedestal 1
Property detection station, the shrinkage character detection station includes shrinking percentage detection station and systolic pressure measurement station, the shrinking percentage
Detection station includes the drive that the first force snesor 3, first time fixture 2, the first upper fixture 4, sliding block 5 and driving sliding block 5 move
The both ends of sample, the first force snesor 3 and first time fixture 2 is clamped in motivation structure, the first upper fixture 4 and first time fixture 2 respectively
It links together, the first upper fixture 4 links together with sliding block 5, and sliding block 5 is connected with driving mechanism, and driving mechanism passes through sliding block 5
The first upper fixture 4 is driven to move, the sample 8 being clamped by the first upper fixture 4 and first time fixture 2 is also moved to the opposite direction of contraction
It is dynamic.
The systolic pressure measurement work station includes the second force snesor 15, second time fixture 14 and the second upper fixture 13,
The both ends of sample 8 are clamped in second upper fixture 13 and second time fixture 14 respectively, and the second force snesor 15 and second time fixture 14 connect
It is connected together；Driving mechanism upper end is connected with mounting plate 10, and mounting plate 10 is connected to the second upper fixture 13 by connector 12
Together.
In the present embodiment, the driving mechanism includes motor 6, leading screw 9 and optical axis 11, and leading screw 9 is parallel with optical axis 11 to be set
It is placed between pedestal 1 and mounting plate 10, is provided with the hole for making leading screw 9 and optical axis 11 pass through on sliding block 5, and on the hole that passes through of leading screw 9
It is provided with the internal thread to match with the external screw thread on leading screw 9, motor output shaft links together with leading screw 9.Leading screw 9 and sliding block 5
Nut screw pair is formed, is moved by 6 electronic sliding 5 of motor, optical axis 11 plays action-oriented.Nut screw subband movable slider
It moves along a straight line, the first upper fixture 4 being connected with sliding block holds sample 8, pulls sample and generates the reversed of sample convergent force
Power.
In the present embodiment, the first force snesor 3 and first time fixture 2, the second force snesor 15 and second time fixture 14 are equal
Together by an axis connection across pedestal, first time fixture 2, second time fixture 14 are located at positioned at the top of pedestal 1, the
One force snesor 3, the second force snesor 15 are located at the lower section of pedestal 1.Motor 6 is located at the lower section of bottom plate, the first upper fixture 4,
Once fixture 2, the second upper fixture 13, second time fixture 14, leading screw 9, optical axis 11, mounting plate 10, sample 8, sliding block 5 and connector
12 are sealed in temperature control box 7, and the required temperature of experiment, damp condition are provided in temperature control box 7, and mechanical part and electronic device separate
It places, influence that can be to avoid experimental enviroment to electronic device.
As shown in figure 3, the first upper fixture 4, first time fixture 2, the second upper fixture 13, second time fixture 14 include hinged
Two clamping jaws 19 together, one of clamping jaw 19 are equipped with clamping knob 20,19 spiral shell of clamping jaw of clamping knob 20 and place
Sample 8 can be fixed in fixture by rotation connection by rotating clamping knob 20, avoid fixing insecure generation sliding because of sample
Error is caused to test result.Second upper fixture 13 is connected by connector 12 with mounting plate 10, connector 12 include top plate 22,
Bottom plate 21 and the side plate 23 that top plate 22 and bottom plate 21 link together, the second upper fixture 13 link together with bottom plate 21,
Top plate 22 links together with mounting plate 10.Connector 12 including top plate 22, bottom plate 21, side plate 23 can be added by integration
Work forms.
In the present embodiment, pedestal is equipped with one group or more of shrinkage character detection station, can be carried out at the same time multigroup experiment.
In the present embodiment, the first force snesor 3, the second force snesor 15 and driving mechanism are connected with controller respectively, the
The convergent force of one force snesor 3 and the second force snesor 15 detection sample is simultaneously transmitted to controller, and controller is according to convergent force
Size controls driving mechanism and sliding is driven to be moved to the direction for offsetting convergent force, and force snesor, controller and driving mechanism are formed
One closed-loop control system.
When material sample shrinks deformation in set environment, the first force snesor 3 for detecting sample deformation and
The pulling force of generation, when the first force snesor 3 detect force value variation when, transmission mechanism with movable slider 5 generate enough displacements from
And the power of sample deformation generation is offset, even if the force value of the first force snesor 3 detection is zero.The transmission mechanism of closed-loop control can essence
Really the displacement of fixture is moved in detection, to which the shrinking percentage of sample be calculated.Meanwhile second force snesor 15 obtain sample contraction
The relevant parameter of convergent force in the process.When the first force snesor does not have force value signal, driving mechanism being capable of reliable self-locking（Leading screw
Pair of nut itself has oneself of the self-locking function realization driving mechanism of self-locking function, rack-and-pinion and linear motor by motor
Lock）, will not there is the possibility of malfunction.Ensure that test result is accurate, improves the measurement accuracy of shrinking percentage, solve sample receipts
The problem of shrinkage can not be detected accurately.
Embodiment 2
As shown in figure 4, in the present embodiment, the driving mechanism includes motor 6, gear 16, rack 17 and optical axis 11, rack
17 and optical axis 11 is parallel is set between pedestal 1 and mounting plate 10, motor 6 links together with sliding block 5, the output of motor 6
Axis connection gear 16, gear 16 are meshed with rack 17, and optical axis 11 passes through sliding block 5.Motor 6 rotates, and passes through gear 16, rack 17
Engagement so that sliding block 5 is slided up and down along optical axis 11, sliding block moves along a straight line, and the first upper fixture 4 being connected with sliding block holds
Sample 8 pulls the opposite force that sample generates sample convergent force.
Embodiment 3
As described in Figure 5, in the present embodiment, the driving mechanism is linear motor 18, the mover seat and cunning of linear motor 18
Block 5 is connected.The output of linear motor 18 is linear motion, and band movable slider moves along a straight line, pressed from both sides on first to be connected with sliding block
Tool 4 holds sample 8, pulls the opposite force that sample generates sample convergent force.
Described above is only the basic principle and preferred embodiment of the utility model, and those skilled in the art are according to this reality
With the novel improvement and replacement made, belong to the scope of protection of the utility model.
Claims (10)
1. a kind of device of detection sample shrinkage character, it is characterised in that：Shrinkage character detection including pedestal, on pedestal
Station, the shrinkage character detection station include shrinking percentage detection station, and the shrinking percentage detection station is sensed including the first power
Device, first time fixture, the first upper fixture, sliding block and the driving mechanism for driving slide block movement, the first upper fixture and first time folder
The both ends of sample are clamped in tool respectively, and the first force snesor links together with first time fixture, and the first upper fixture is connect with sliding block
Together, sliding block is connected with driving mechanism.
2. the device of detection sample shrinkage character according to claim 1, it is characterised in that：The shrinkage character detects work
Position further includes systolic pressure measurement station, and the systolic pressure measurement station is including on the second force snesor, second time fixture and second
The both ends of sample are clamped in fixture, the second upper fixture and second time fixture respectively, and the second force snesor is connected to second time fixture
Together；Driving mechanism upper end is connected with mounting plate, and mounting plate is fixedly connected with the second upper fixture, the first force snesor, the second power
Sensor and driving mechanism are connected with controller respectively.
3. the device of detection sample shrinkage character according to claim 1, it is characterised in that：The driving mechanism includes electricity
Machine, leading screw and optical axis, leading screw and optical axis is parallel is set between pedestal and mounting plate, being provided on sliding block makes leading screw and optical axis wear
The hole crossed, and the internal thread to match with the external screw thread on leading screw is provided on the hole that passes through of leading screw, motor output shaft connects with leading screw
It is connected together.
4. the device of detection sample shrinkage character according to claim 1, it is characterised in that：The driving mechanism includes electricity
Machine, gear, rack and optical axis, rack and optical axis is parallel is set between pedestal and mounting plate, motor is connected to one with sliding block
It rises, the output shaft connection gear of motor, wheel and rack is meshed, and optical axis passes through sliding block.
5. the device of detection sample shrinkage character according to claim 1, it is characterised in that：The driving mechanism is straight line
The mover seat of motor, linear motor is connected with sliding block.
6. the device of detection sample shrinkage character according to claim 1, it is characterised in that：First force snesor and first
The axis connection that lower fixture, the second force snesor and second time fixture pass through pedestal by one together, first time fixture, the
Two times fixtures are located at the top of pedestal, and the first force snesor, the second force snesor are located at the lower section of pedestal.
7. the device of detection sample shrinkage character according to claim 1, it is characterised in that：Under first upper fixture, first
Fixture, the second upper fixture, second time fixture include two hinged clamping jaws, and one of clamping jaw, which is equipped with to clamp, to be revolved
The clamping jaw spiral at button, clamping knob and place connects.
8. the device of detection sample shrinkage character according to claim 1, it is characterised in that：Second upper fixture passes through connection
Part is connected with mounting plate, and connector includes top plate and bottom plate and side plate that top plate and bottom plate link together, the second upper fixture
It links together with bottom plate, top plate links together with mounting plate.
9. detecting the device of sample shrinkage character according to claim 1-7 any one of them, it is characterised in that：The shrinking percentage
Detection station and systolic pressure measurement station are sealed in temperature control box.
10. detecting the device of sample shrinkage character according to claim 1-7 any one of them, it is characterised in that：It is set on pedestal
There is one group or more of shrinkage character detection station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820475811.0U CN207964831U (en) | 2018-04-04 | 2018-04-04 | A kind of device of detection sample shrinkage character |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820475811.0U CN207964831U (en) | 2018-04-04 | 2018-04-04 | A kind of device of detection sample shrinkage character |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207964831U true CN207964831U (en) | 2018-10-12 |
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ID=63727132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820475811.0U Active CN207964831U (en) | 2018-04-04 | 2018-04-04 | A kind of device of detection sample shrinkage character |
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| CN (1) | CN207964831U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459156A (en) * | 2018-04-04 | 2018-08-28 | 济南思克测试技术有限公司 | A kind of device of detection sample shrinkage character |
| CN110207646A (en) * | 2019-05-28 | 2019-09-06 | 西安石油大学 | A kind of contraction percentage of area test device |
-
2018
- 2018-04-04 CN CN201820475811.0U patent/CN207964831U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459156A (en) * | 2018-04-04 | 2018-08-28 | 济南思克测试技术有限公司 | A kind of device of detection sample shrinkage character |
| CN108459156B (en) * | 2018-04-04 | 2023-12-29 | 济南思克测试技术有限公司 | Device for detecting shrinkage characteristics of sample |
| CN110207646A (en) * | 2019-05-28 | 2019-09-06 | 西安石油大学 | A kind of contraction percentage of area test device |
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