CN211179364U - EPP material testing device - Google Patents
EPP material testing device Download PDFInfo
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- CN211179364U CN211179364U CN201921883298.XU CN201921883298U CN211179364U CN 211179364 U CN211179364 U CN 211179364U CN 201921883298 U CN201921883298 U CN 201921883298U CN 211179364 U CN211179364 U CN 211179364U
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- electromagnetic chuck
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Abstract
The utility model discloses a EPP material test device, include: the testing device comprises a box body, a heavy hammer mechanism, a control module, a detection module and 4 video acquisition modules, wherein an electromagnetic chuck is pulled by a traction device in the heavy hammer mechanism to drive a hammer body to impact an EPP material arranged on the detection module in a free falling body at a certain height, and the impact resistance of the EPP material is detected by simulating the effect that the material is accidentally impacted. Meanwhile, the video acquisition device can record the deformation and damage process of the EPP material when the EPP material is impacted. Through the utility model discloses dynamic analysis can be carried out further, the impact data who more is close the actual application environment is obtained to more can effectual improvement and improve EPP material performance.
Description
Technical Field
The utility model relates to a test device field especially relates to an EPP material test device.
Background
EPP is the abbreviation of Expanded polypropylene (Expanded polypropylene) and is a abbreviation for a new type of foam. EPP is a polypropylene plastic foaming material, is a high-crystallization polymer/gas composite material with excellent performance, and becomes the environment-friendly novel compression-resistant buffering heat-insulating material which is the fastest to grow at present due to unique and superior performance. EPP is also an environment-friendly material, can be recycled and can be naturally degraded without causing white pollution.
EPP is widely applied to automobiles, such as bumper core materials, anti-collision blocks, roof lining parts and the like, door padding, headrests, sun visors and the like, can save oil consumption and improve the safety factor of passengers. The EPP is most widely applied to automobiles, such as bumper core materials, door fillers, crash blocks and the like, and is positioned at a position where an energy absorption and buffering effect is required to be generated after the EPP is subjected to accidental impact. Therefore, the energy absorption test of the EPP material after being finished is particularly important, such as impact resistance, in the prior art, static pressurizing equipment is used for testing the compression resistance of the EPP material to determine the compression resistance, and although corresponding EPP material performance data can also be obtained, the dynamic impact performance of the EPP material in the automobile motion state cannot be reflected.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides an EPP material test device, can carry out dynamic shock resistance test to the EPP material.
In order to solve the technical problem, the utility model discloses a technical scheme be: provided is an EPP material testing device, including: the device comprises a test device box body, a heavy hammer mechanism, a control module, a detection module and a video acquisition module;
the weight mechanism is arranged at the top of the box body of the testing device and comprises a hammer body, an electromagnetic chuck, a traction rope and a traction device, a groove is formed in the top of the hammer body, the lower end face of the electromagnetic chuck is embedded into the groove, magnetic force generated when the electromagnetic chuck is powered on can suck the hammer body, and the hammer body can fall freely after the electromagnetic chuck is powered off and loses the magnetic force;
one end of the traction rope is fixed in a fixing hole at the upper end of the electromagnetic chuck, the other end of the traction rope is fixedly connected with the traction device, and the traction rope can drive the electromagnetic chuck and the hammer body to move up and down through the traction of the traction device;
the control module is installed inside the control cabinet, the control module is electrically connected with the detection module and the video acquisition module respectively, the detection module is installed at the bottom of the testing device box body corresponding to the heavy hammer mechanism up and down, and the video acquisition module is installed in the testing device box body.
In a preferred embodiment of the present invention, the height of the test device box is 2.5 m.
In a preferred embodiment of the present invention, 4 video capture modules are installed in the video capture module.
In a preferred embodiment of the present invention, the hammer body is conical.
In a preferred embodiment of the present invention, the groove formed at the top of the hammer body is a conical groove.
In a preferred embodiment of the present invention, a positioning groove is disposed in the groove disposed at the top of the hammer body, a positioning boss is disposed at the bottom of the electromagnetic chuck, and the positioning groove and the positioning boss are adapted to each other.
In a preferred embodiment of the present invention, the control module comprises: the control module is electrically connected with the control mainboard, the touch screen and the control button group respectively.
In a preferred embodiment of the present invention, the control system further comprises an audible and visual alarm, and the audible and visual alarm is electrically connected to the control system.
The utility model has the advantages that: the electromagnetic chuck is pulled by a traction device in the heavy hammer mechanism to drive the hammer body to impact the EPP material arranged on the detection module in a free falling mode at a certain height, and the impact resistance of the EPP material is detected by simulating the effect that the material is impacted by accident. Meanwhile, the video acquisition device can record the deformation and damage process of the EPP material when the EPP material is impacted, dynamic analysis can be further performed, impact data closer to an actual application environment can be obtained, and therefore the performance of the EPP material can be effectively improved.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of the EPP material testing device of the present invention;
FIG. 2 is a schematic view of the combination of the hammer and the electromagnetic chuck;
the parts in the drawings are numbered as follows: the testing device comprises a testing device box body, a hammer body 2, an electromagnetic chuck 3, a traction rope 4, a traction device 5, a video acquisition device 6, a detection module 7, an EPP material block 8, a control cabinet 9, a control mainboard 10, a touch screen 11, a control button group 12, an audible and visual alarm 13, a preposed isolation net 14, a conical groove 15, a conical positioning boss 16 and a conical positioning groove 17.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to fig. 1 and 2, an embodiment of the present invention includes:
an EPP material testing apparatus comprising: the device comprises a test device box body 1 with the height of 2.5 meters, a heavy hammer mechanism, a control module, a detection module 7 and 4 video acquisition modules 6; the weight mechanism is arranged at the top of the testing device box body 1 and comprises a hammer body 2, an electromagnetic chuck 3, a traction rope 4 and a traction device 5, a conical groove 15 is formed in the top of the hammer body 1, the lower end face of the electromagnetic chuck 3 is embedded into the conical groove 15, when the electromagnetic chuck 3 is powered on, magnetic force is generated to suck the hammer body 2, and when the electromagnetic chuck 3 is powered off and loses the magnetic force, the hammer body 2 can fall freely; one end of the traction rope 4 is fixed in a fixing hole at the upper end of the electromagnetic chuck 3, the other end of the traction rope 4 is fixedly connected with the traction device 5, and the traction rope 4 can drive the electromagnetic chuck 3 and the hammer body 2 to move up and down through the traction of the traction device 5; the control module is installed inside the control cabinet 9, the control module is electrically connected with the detection module 7 and the video acquisition module 6 respectively, the detection module 7 is installed at the bottom of the testing device box body 1 corresponding to the heavy hammer mechanism up and down, and the video acquisition module 6 is installed inside the testing device box body 1.
The working principle of the EPP material testing device is further explained, the testing device is mainly used for detecting the dynamic impact resistance of EPP materials, a worker places an EPP material block 8 with the specification of 70mm × 50mm × 50mm on the horizontal plane of a detection module 7, then sends a control signal to a control main board 10 through a control button group 12, drives a traction device 5 to enable an electromagnetic chuck 3 in a power-off state to descend, aligns a conical groove 15 on the upper end face of a hammer body 2 to the lower end of the electromagnetic chuck 3, the bottom face of the conical groove 15 is identical to the bottom face of the electromagnetic chuck 3, the electromagnetic chuck 3 and the conical groove 15 can be guaranteed to be conveniently matched, a conical positioning groove 17 arranged in the conical groove 15 is matched with a conical boss 16 arranged at the bottom of the electromagnetic chuck 3, the matching also plays a positioning role, after the electromagnetic chuck 3 is matched with the hammer body 2, the operator operates the control button group 12 and sends a last-time signal to the control main board 10 to drive the electromagnetic chuck 3 to hold a hammer body 2, and sends a rising signal to the control main board 10, and drives the traction device 5 to raise the hammer body to the height.
When the hammer body 2 is lifted to the testing height, the operator control button group 12 sends a testing signal to the control mainboard 10, the control mainboard 10 controls the video acquisition module 6 to start acquisition, and the electromagnetic chuck 3 is powered off and de-magnetized, so that the hammer body 2 freely falls after losing attraction, and an impact damage test is carried out on the EPP material block 8 which is placed right below. The impact force applied to the EPP material block 8 is monitored by the detection device 7 and is sent to the control board 10 for recording. And whole impact process can be got down by the more whole journey record of 4 video acquisition modules 6, 4 video acquisition modules 6 respectively 1 install at the top of test device box 1 and 3 install the inboard of examining device box 1 near detection device 7, wherein 3 video acquisition modules 6 are installed on a horizontal plane, and two liang are separated 120 and equally divide the installation, can all-roundly gather the process that EPP material block 8 suffered hammer block 2 and assault like this. When the whole process is abnormal, such as the traction device 5 is in failure, the electromagnetic chuck 3 is abnormal, and the like, the control main board 10 sends out audible and visual alarm through the audible and visual alarm 13, stops the whole test process, and simultaneously displays failure points, processing methods and cautions on the touch screen 11, thereby facilitating the processing of maintenance personnel.
After the test is finished, the dynamic stress curve of the EPP material block 8 and the impact process video of the whole hammer body 2 can be read and displayed from the control main board 10 through the touch screen 11. The method helps operators to conveniently analyze the damage condition of the EPP material 8 after being impacted, further improves the production process of the EPP material and provides the impact resistance of the EPP material.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (8)
1. An EPP material testing device, comprising: the device comprises a test device box body, a heavy hammer mechanism, a control module, a detection module and a video acquisition module;
the weight mechanism is arranged at the top of the box body of the testing device and comprises a hammer body, an electromagnetic chuck, a traction rope and a traction device, a groove is formed in the top of the hammer body, the lower end face of the electromagnetic chuck is embedded into the groove, magnetic force generated when the electromagnetic chuck is powered on can suck the hammer body, and the hammer body can fall freely after the electromagnetic chuck is powered off and loses the magnetic force;
one end of the traction rope is fixed in a fixing hole at the upper end of the electromagnetic chuck, the other end of the traction rope is fixedly connected with the traction device, and the traction rope can drive the electromagnetic chuck and the hammer body to move up and down through the traction of the traction device;
the control module is installed inside the control cabinet, the control module is electrically connected with the detection module and the video acquisition module respectively, the detection module is installed at the bottom of the testing device box body corresponding to the heavy hammer mechanism up and down, and the video acquisition module is installed in the testing device box body.
2. The EPP material testing device of claim 1, wherein the testing device case height is 2.5 m.
3. The EPP material testing apparatus of claim 1, wherein the video capture module is equipped with 4 stages.
4. The EPP material testing apparatus of claim 1, wherein said ram is conical.
5. The EPP material testing device according to claim 1, wherein the groove provided on the top of the hammer body is a conical groove.
6. The EPP material testing device according to claim 1, wherein a positioning groove is arranged in a groove arranged at the top of the hammer body, a positioning boss is arranged at the bottom of the electromagnetic chuck, and the positioning groove is matched with the positioning boss.
7. The EPP material testing apparatus of claim 1, wherein the control module comprises: the control module is electrically connected with the control mainboard, the touch screen and the control button group respectively.
8. The EPP material testing device of claim 1, wherein the control module further comprises an audible and visual alarm electrically connected to the control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921883298.XU CN211179364U (en) | 2019-11-04 | 2019-11-04 | EPP material testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921883298.XU CN211179364U (en) | 2019-11-04 | 2019-11-04 | EPP material testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211179364U true CN211179364U (en) | 2020-08-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921883298.XU Active CN211179364U (en) | 2019-11-04 | 2019-11-04 | EPP material testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211179364U (en) |
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2019
- 2019-11-04 CN CN201921883298.XU patent/CN211179364U/en active Active
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