CN110595870A - Mechanical property testing equipment for rubber material - Google Patents
Mechanical property testing equipment for rubber material Download PDFInfo
- Publication number
- CN110595870A CN110595870A CN201910876285.8A CN201910876285A CN110595870A CN 110595870 A CN110595870 A CN 110595870A CN 201910876285 A CN201910876285 A CN 201910876285A CN 110595870 A CN110595870 A CN 110595870A
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- CN
- China
- Prior art keywords
- box body
- barrel
- plate
- mechanical property
- movable plate
- Prior art date
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0605—Mechanical indicating, recording or sensing means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
Abstract
The mechanical property testing equipment for the rubber material well realizes the test of the piercing force of the rubber material, and avoids the influence of instantaneous fluctuation during piercing; the technical scheme includes that the device comprises a base, a box body is arranged above the base, a barrel body is arranged in the box body, a feeding hole is formed in the box body, a pressing plate is arranged on the right end face of the barrel body, a probe is arranged on the barrel body, the left end of the probe is connected with a movable plate, a horizontally-arranged pressure spring is fixed on the left side of the movable plate, a pushing plate capable of moving left and right is arranged on the left side of the movable plate, the lower ends of the pushing plate and the movable plate are slidably mounted inside the barrel body, the upper ends of the pushing plate and the movable plate penetrate through the side wall of the barrel body and are arranged outside the barrel body, a horizontally-arranged measuring rod capable of sliding left and right is inserted into the position.
Description
Technical Field
The invention relates to the technical field of material mechanical property testing, in particular to a mechanical property testing device for rubber materials.
Background
The rubber is a high-elasticity polymer material with reversible deformation, is rich in elasticity at room temperature, can generate large deformation under the action of small external force, and can recover the original shape after the external force is removed; due to its characteristics, rubber is one of indispensable materials in social development, and can be used in various applications such as tires, seal rings, cushions, and the like in industry.
Rubber is in the production process, in order to adapt to different service environment, need to have different characteristics, the biggest puncture force that rubber can bear is a very important mechanical index among the industrial application, because the elastic characteristic of rubber, when carrying out the test of puncture force, rubber material's deformation can produce certain influence to the test result, this can cause certain error for puncturing a mechanical fluctuation in the twinkling of an eye, some test equipment of current all adopt sensor etc. to go on, but the general cost of this kind of equipment is higher, and not directly be direct in the use, therefore design a simple structure, the equipment that can effectually avoid the undulant of rubber deformation and puncture the undulant influence of mechanics in the twinkling of an eye is very necessary simultaneously.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the mechanical property testing equipment for the rubber material, which well realizes the test of the puncture force of the rubber material and avoids the influence of instantaneous fluctuation during puncture.
The technical scheme includes that the device comprises a base, a box body is arranged above the base, the left side of the box body is of an open structure, a barrel body capable of sliding left and right is arranged in the box body, the barrel body is of a hollow structure with an open left end, the left side of the barrel body is arranged outside the box body, a feeding port is formed in the upper end face of the box body, a pressing plate is arranged on the right end face of the barrel body arranged in the box body, the pressing plate is arranged around the right end face of the barrel body in a surrounding mode, probes arranged in the center of the pressing plate are arranged on the barrel body and can slide relative to the barrel body, the left end of each probe is connected with a movable plate, a horizontally arranged pressure spring is fixed on the left side of each movable plate, a pushing plate capable of moving left and right is arranged on the left side of each movable plate, the lower ends of the pushing plates and the movable, the outer edge surface of the measuring rod is provided with scales.
The invention realizes the test of the puncture force performance of the rubber material through the mechanical structure, has ingenious structure, convenient use and high cost performance.
Drawings
FIG. 1 is a front sectional view of the present invention.
FIG. 2 is a top view of the present invention.
FIG. 3 is an enlarged view of a portion of the gage rod of FIG. 1 according to the present invention.
FIG. 4 is a partial enlarged view of the bayonet portion of FIG. 1 according to the present invention.
FIG. 5 is a schematic view of the right end of the barrel of the present invention.
Figure 6 is a cross-sectional view of the movable plate of the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in the figures 1-6, the invention comprises a base 1, a box body 2 is arranged above the base 1, the left side of the box body 2 is of an open structure, a cylinder body 3 capable of sliding left and right is arranged in the box body 2, the cylinder body 3 is of a hollow structure with an open left end, the left side of the cylinder body 3 is arranged outside the box body 2, the upper end surface of the box body 2 is provided with a charging opening 4, the right end surface of the cylinder body 3 arranged in the box body 2 is provided with a pressure plate 5, the pressure plate 5 is arranged around the right end surface of the cylinder body 3, the cylinder body 3 is provided with a probe 6 arranged in the center of the pressure plate 5, the probe 6 can slide relative to the cylinder body 3, the left end of the probe 6 is connected with a movable plate 7, the left side of the movable plate 7 is fixed with a pressure spring 8 which is horizontally arranged, the left side of the movable plate 7 is provided with a push plate 9 capable of moving left and, the movable plate 7 is inserted with a measuring rod 10 which is horizontally arranged and can slide left and right at the position outside the cylinder 3, and the outer edge surface of the measuring rod 10 is provided with scales 11.
In order to better fix the cylinder body 3 in the box body 2, the upper end face of the box body 2 is provided with the bayonet lock 12, the lower end of the bayonet lock 12 penetrates through the box body 2 and is arranged in the box body 2, the side wall of the upper part of the cylinder body 3 is provided with a pin hole matched with the bayonet lock 12, the cylinder body 3 moves towards the right side to the position that the pin hole is opposite to the bayonet lock 12, and the bayonet lock 12 can be clamped into the pin hole to fix the position of the cylinder body 3.
The feed inlet 4 is of a square structure, the right side wall of the feed inlet 4 is overlapped with the right side wall of the box body 2, and the width of the feed inlet 4 is 1-1.5 cm.
In order to realize better compressing effect, the right end of the barrel 3 is provided with a plurality of grooves, a compression plate 5 is installed in each groove, and a second spring 14 is connected between the compression plate 5 and the bottom wall of each groove.
In order to realize better measuring effect, the right end face of the box body 2 is provided with a through hole 15 which is coaxial with the probe 6.
In order to ensure better use effect in the use process, the left side of the pressure spring 8 is connected with a guide plate 13, and the guide plate 13 is installed inside the cylinder 3 and is in sliding connection with the cylinder 3.
The measuring rod 10 is in transition fit with the movable plate 7, the measuring rod 10 can slide left and right relative to the movable plate 7 when being subjected to external force, and the measuring rod 10 moves along with the movable plate 7 when not being subjected to external force.
In order to realize the left-right movement of the push plate 9, the right side of the push plate 9 is connected with a driving device, the driving device is a motor or a hydraulic cylinder and the like, and the driving device can drive the push plate 9 to move left and right through mechanical structures such as a screw nut, a cam convex rod and the like.
When the device is used specifically, firstly, the rubber material to be tested needs to be pretreated, the rubber material is processed into a square or round sheet with the thickness of 1-1.5cm, the processed rubber material is placed into the box body 2 through the feeding port 4, and at the moment, due to the difference of the thickness and the width, the placed rubber material can shake during a puncture force test, so that the test is inaccurate; the rubber material put into the box body 2 is moved to the inner part of the box body 2 (namely moved to the right in the box body 2) through the manual operation of the cylinder body 3, because the right end face of the cylinder 3 is provided with the pressing plate 5, the rubber material can be pressed by the pressing plate 5 when the cylinder 3 moves rightwards, and because the second spring 14 is connected between the pressing plate 5 and the right end face of the cylinder 3, under the action of the second spring 14, the contact effect of the pressure strip 5 and the rubber material can be well ensured, the effect of plain and solid pressing is achieved, in addition, as the upper end surface of the box body 2 is provided with the bayonet lock 12, the spring is connected between the bayonet lock 12 and the box body 2, the side wall of the upper part of the cylinder body 3 is provided with the pin hole, when the barrel 3 moves rightwards until the pin hole is opposite to the position of the bayonet 12, the lower end of the bayonet 12 is clamped in the pin hole to fix the position of the barrel 3, and the second spring 14 is in a compressed state; the pressing force of the pressing plate 5 on the rubber material is small, and only the effect of flatly pasting the rubber material with the right side wall of the box body 2 is achieved.
After the rubber material is flattened, the driving device is started at the moment, in addition, because the length of the pressure spring 8 is fixed when the pressure spring is not stressed, before the test, firstly, the length of the measuring rod 10 arranged on the left side of the movable block is the same as the initial length of the pressure spring 8 by adjusting the measuring rod 10 and is recorded, the driving device is started to drive the push plate 9 to move rightwards, the push plate 9 firstly contacts the guide plate 13 when moving rightwards, the push plate 9 continuously moves rightwards, the push plate 9 can carry out a series of transmission through the guide plate 13-the pressure spring 8-the movable plate 7-the probe 6-the rubber material, meanwhile, when puncturing is carried out in the moving process, the upper end of the push plate 9 can push the measuring rod 10 to move rightwards, along with the increase of puncturing force, the distance between the push plate 9 and the movable plate 7 is smaller and smaller (namely, at the moment, the right end of the probe 6 can pierce through the rubber material and extend out of the through hole 15, the pressure is reduced, at the moment, due to the fixation of the position of the push plate 9, the movable plate 7 can be punched out rightwards under the action of the elastic force of the pressure spring 8, so that the distance between the push plate 9 and the movable plate 7 is increased, at the moment, the measuring rod 10 can also be punched out rightwards along with the movable plate 7, at the moment, the driving device is closed, the scale 11, which is located on the left side of the movable plate 7, of the measuring rod 10 is recorded, and compared with the data recorded for the first time, the difference value between the two is; the piercing force of the rubber material can be well calculated through the elastic coefficient of the pressure spring 8.
According to the invention, the rubber material is subjected to flat compaction and flattening treatment before an experiment, then the maximum compression amount of the compression spring 8 can be well calculated through recording the length of the measuring rod 10 twice, and meanwhile, due to the transition fit between the measuring rod 10 and the movable plate 7, when the probe 6 is punched out at the moment of piercing, the position between the measuring rod 10 and the movable plate 7 cannot be changed, so that the influence of instantaneous impact on the accuracy of the experiment is avoided.
The invention realizes the test of the puncture force performance of the rubber material through the mechanical structure, has ingenious structure, convenient use and high cost performance.
Claims (8)
1. Mechanical property test equipment for rubber materials, which comprises a base (1) and is characterized in that a box body (2) is arranged above the base (1), the left side of the box body (2) is of an open structure, a barrel body (3) capable of sliding left and right is arranged in the box body (2), the barrel body (3) is of a hollow structure with an open left end, the left side of the barrel body (3) is arranged outside the box body (2), a feeding opening (4) is formed in the upper end face of the box body (2), a pressure plate (5) is arranged on the right end face of the barrel body (3) in the box body (2), the pressure plate (5) is arranged around the right end face of the barrel body (3), a probe (6) arranged at the central part of the pressure plate (5) is arranged on the barrel body (3), the probe (6) can slide relative to the barrel body (3), the left end of the probe (6) is connected with a movable plate (7), and a horizontally arranged, the left side of fly leaf (7) is equipped with push pedal (9) that can remove about, and the equal slidable mounting of lower extreme of push pedal (9) and fly leaf (7) is inside barrel (3), and the upper end of push pedal (9) and fly leaf (7) runs through barrel (3) lateral wall and places in the outside of barrel (3), and the position interlude that barrel (3) outside was placed in to fly leaf (7) has level place and can the horizontal slip graduated stick (10), is equipped with scale (11) on the outer fringe face of graduated stick (10).
2. The mechanical property testing equipment for the rubber materials according to claim 1, wherein the upper end face of the box body (2) is provided with a bayonet (12), the lower end of the bayonet (12) penetrates through the box body (2) and is arranged in the box body (2), the side wall of the upper part of the cylinder body (3) is provided with a pin hole matched with the bayonet (12), the cylinder body (3) moves towards the right side until the pin hole is opposite to the bayonet (12), and the bayonet (12) is clamped into the pin hole to fix the position of the cylinder body (3).
3. The mechanical property test equipment for the rubber materials according to claim 1, wherein the feed opening (4) is of a square structure, the right side wall of the feed opening (4) is overlapped with the right side wall of the box body (2), and the width of the feed opening (4) is 1-1.5 cm.
4. The mechanical property testing equipment for the rubber materials according to claim 1, wherein a plurality of grooves are formed in the right end of the cylinder (3), a pressing plate (5) is installed in each groove, and a second spring (14) is connected between the pressing plate (5) and the bottom wall of each groove.
5. The mechanical property test equipment for the rubber material according to claim 1, wherein a through hole (15) coaxial with the probe (6) is formed in the right end face of the box body (2).
6. The mechanical property test equipment for the rubber materials according to claim 1, wherein a guide plate (13) is connected to the left side of the pressure spring (8), and the guide plate (13) is installed inside the cylinder (3) and is in sliding connection with the cylinder (3).
7. The apparatus for testing mechanical properties of rubber materials according to claim 1, wherein the connection between the measuring rod (10) and the movable plate (7) is transition fit, the measuring rod (10) can slide left and right relative to the movable plate (7) when being subjected to external force, and the measuring rod (10) moves together with the movable plate (7) when not being subjected to external force.
8. The rubber material mechanical property testing equipment of claim 1, wherein a driving device is connected to the right side of the push plate (9), and the driving device is a motor or a hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910876285.8A CN110595870B (en) | 2019-09-17 | 2019-09-17 | Mechanical property testing equipment for rubber material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910876285.8A CN110595870B (en) | 2019-09-17 | 2019-09-17 | Mechanical property testing equipment for rubber material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110595870A true CN110595870A (en) | 2019-12-20 |
| CN110595870B CN110595870B (en) | 2021-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910876285.8A Active CN110595870B (en) | 2019-09-17 | 2019-09-17 | Mechanical property testing equipment for rubber material |
Country Status (1)
| Country | Link |
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| CN (1) | CN110595870B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113267404A (en) * | 2021-05-31 | 2021-08-17 | 石河子大学 | Multifunctional compression device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113267404A (en) * | 2021-05-31 | 2021-08-17 | 石河子大学 | Multifunctional compression device |
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| CN110595870B (en) | 2021-09-28 |
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