CN106468635B - Device and method for collecting glass fragments in shock resistance experiment of automobile glass - Google Patents
Device and method for collecting glass fragments in shock resistance experiment of automobile glass Download PDFInfo
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- CN106468635B CN106468635B CN201510518013.2A CN201510518013A CN106468635B CN 106468635 B CN106468635 B CN 106468635B CN 201510518013 A CN201510518013 A CN 201510518013A CN 106468635 B CN106468635 B CN 106468635B
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Abstract
The invention discloses a device and a method for collecting glass fragments of an automobile glass impact resistance experiment, wherein the device comprises a sample supporting part; and a glass cullet collecting part including a funnel, a replaceable collecting tray located below the funnel, and a transfer rail for placing the collecting tray; the method comprises the following steps: placing a sample; impact experiment; collecting and conveying a fragment sample; taking out waste samples; a new sample is placed and a new collection tray is transferred under the funnel. By adopting the technical scheme, the complete collection of fragments can be ensured, and the test data is accurate; the efficiency of shock resistance experiment can be effectively improved to the operation of changing the collection dish on the transfer rail can be in the outside of sample supporting part is accomplished, and the operation is comparatively simple and convenient.
Description
Technical Field
The invention relates to the technical field of glass industry, in particular to a device and a method for collecting glass fragments in an automobile glass impact resistance experiment.
Background
With the improvement of the living standard of people and the application of advanced manufacturing technology, private cars are gradually becoming the first-choice transportation means for traveling. Automotive glass is an important component of automobiles, and the safety requirements thereof are always put in the first place.
In the current national standards "automotive safety glass" (GB 9656-2003) and "automotive safety glass test method part 1: in the mechanical properties test (GB 5137.1-2002), the total mass of fragments peeled off from the opposite side of the impact surface and the mass of the largest fragment are required to be weighed in the impact resistance test of the laminated glass for automobiles. The laminated glass is characterized in that a layer of gelatinous film is arranged between two layers of glass in an overlapping manner, the laminated glass cannot be completely cracked and diffused when damaged and broken, even if serious impact occurs, the glass can be prevented from falling off and being partially scattered under the serious condition of damage by means of the middle gelatinous film, and the relative integrity is still maintained. Because of such characteristics, laminated glass is required to be equipped on a front windshield for the purpose of ensuring that the driver is kept as complete as possible in view and safety after an impact. In the experiment, the use of 227g steel balls, which were free falling from a height of 8.5m at the lowest, impacted the sample, tended to cause glass breakage and chip detachment. The usual method for collecting glass fragments peeled off during the experiment is: placing a plastic film or other analogues into a sample supporting frame for impact resistance experiments, and placing the samples on the supporting frame for experiments; when the test sample is impacted by the steel ball, glass fragments on the opposite side of the impact surface fall into the supporting frame. As shown in fig. 1, the sample support frame for impact resistance test comprises an upper frame 1 and a lower frame 2 for clamping a sample glass 5, and rubber pads 4 are respectively arranged between the upper frame 1, the lower frame 2 and the sample glass 5; the lower end of the lower frame 2 is inserted into a square supporting frame 6, and a rubber collecting film 3 is arranged at the lower end of the supporting frame 6 and used for bearing peeled glass fragments. The glass fragment collecting device in the prior art has the defect that peeled glass fragments cannot be accurately collected: if a separate collecting tray is used, the separate collecting tray is placed on the lower side of the inside of the supporting frame 6 in a manner of being attached to the inner side wall of the supporting frame 6, and the peeled glass fragments can fall into the collecting tray completely, it is difficult to manufacture the collecting tray which is consistent with the inner side dimension of the supporting frame 6 and is convenient to take out and put in. The approach in fig. 1 is adopted: the automobile front windshield glass is common laminated glass, glass fragments peeled off when the glass is impacted fall onto the rubber collecting film 3, and when the damaged sample glass is taken off from the supporting frame, part of the glass fragments are separated onto the rubber collecting film 3, so that the peeling amount of the glass is increased, and objective and real weighing results are difficult to ensure; meanwhile, the taking-out and putting-in process of collecting the film or the like is complicated and is completed manually, so that the experimental work efficiency is seriously affected.
Disclosure of Invention
Therefore, the invention aims to provide an automobile glass impact test glass fragment collecting device and method which can accurately collect glass fragments stripped in the impact process and is automatic and the collecting disc is easy to replace.
In order to achieve the above object, the invention provides an automobile glass impact resistance test glass fragment collecting device, comprising:
a sample supporting part for supporting a glass sample to be tested which is horizontally placed;
the glass fragment collecting part is positioned below the glass sample and comprises a funnel, a replaceable collecting tray positioned below the funnel and a conveying track positioned below the collecting tray and used for placing the collecting tray.
The sample support includes:
a clamping unit for clamping the glass sample to be tested;
and the supporting unit is used for supporting the clamping unit.
The top of the funnel is supported at the bottom of the clamping unit in the whole circumferential direction; and the projection of the glass sample to be tested on the horizontal plane is positioned in the projection area of the top of the funnel on the horizontal plane.
The clamping unit comprises an upper frame and a lower frame, the glass sample is clamped between the upper frame and the lower frame, and rubber pads are respectively arranged between the upper frame and the lower frame and between the glass sample to be tested.
The collecting discs are multiple; the collecting tray includes:
a peeling debris collecting tray for collecting glass debris peeled off during impact;
a waste-sample-fragment collection tray for collecting fallen glass fragments when a broken glass sample is replaced;
the stripping chip collecting tray and the waste chip collecting tray are alternately disposed on the transfer rail at a distance from each other.
The funnel has a smooth inner surface.
The funnel comprises a square conical funnel body part and a neck part connected to the lower end of the funnel body part; the left side wall of the neck is bent towards the radial inner side and extends downwards in an inclined manner at least to the position right above the bottom end of the right side wall of the neck.
The funnel is made of soft materials.
The invention relates to a method for collecting glass fragments of an automobile glass shock resistance experiment, which is implemented by using the device for collecting the glass fragments of the automobile glass shock resistance experiment, and comprises the following steps:
1) Placing a glass sample to be tested on the sample supporting part and clamping the glass sample;
2) Conveying the collecting tray to the lower part of the funnel through a conveying track;
3) The steel ball is used for free falling motion to impact the glass sample;
4) After the impact is finished, the waste sample scrap collecting tray is conveyed to the lower part of the funnel while the collecting tray is conveyed out through the conveying track;
5) The broken glass sample after impact was taken from the collection tray for weighing.
Step 4), conveying the waste sample scrap collecting tray to the lower part of the funnel while conveying the stripping scrap collecting tray out of the automobile glass impact test glass scrap collecting device according to claim 5, replacing a glass sample, and collecting the stripped scrap by using the waste sample scrap collecting tray; and then the waste sample fragment collecting tray is conveyed out through the conveying track, and meanwhile, the next stripping fragment collecting tray is conveyed to the lower part of the funnel.
By adopting the technical scheme, the glass fragment collecting device for the shock resistance experiment of the automobile glass is provided with the funnel below the glass sample to be tested, so that the peeled glass fragments during shock pass through the funnel and are collected in the collecting tray below the funnel, the fragment collection can be ensured to be complete, and the test data is accurate; the collecting tray is positioned below the funnel, and the size of the collecting tray can be controlled to be larger than the size of the opening at the lower end of the funnel, so that the collecting tray which is consistent with the inner edge size of the supporting frame in the prior art is not required to be used, the manufacturing and the use are easy, and the efficiency is improved; the collection tray is conveyed through the conveying track, so that the defect of manually replacing the collection tray in the prior art is overcome, and the experimental efficiency is further improved; according to the method for collecting glass fragments in the shock resistance experiment of the automobile glass, the collecting tray is conveyed through the conveying track, the collecting tray with the peeled glass fragments collected is conveyed out, and meanwhile, the other collecting tray positioned behind the collecting tray is conveyed to the lower portion of the funnel to conduct the next round of test, so that the efficiency of the shock resistance experiment can be effectively improved, and the operation of replacing the collecting tray on the conveying track can be completed on the outer side of the sample supporting portion, so that the operation is simpler and more convenient.
Drawings
Fig. 1 is a schematic structural view of a glass fragment collecting device for an impact test of automotive glass in the prior art.
Fig. 2 is a schematic structural view of a glass fragment collecting device for an impact test of automotive glass.
Fig. 3 is a side view of fig. 2.
Fig. 4 is a top view of fig. 2.
Fig. 5 is a schematic view of the structure of the collecting tray according to the present invention.
FIG. 6 is a schematic view of the installation of a transfer rail and a collection tray in accordance with the present invention.
Fig. 7 is a side view of fig. 6.
Fig. 8 is a top view of fig. 6.
Fig. 9 is a schematic structural diagram of a funnel according to a second embodiment of the present invention.
In the figure: 1-upper frame; 2-lower frame; 3-a rubber collection membrane; 4-a rubber pad; 5-sample glass; 6-a support frame; 101-upper frame; 102-lower frame; 103-a rubber pad; 201-a support frame; 201 a-shoulder structure; 100—glass sample; 301-funnel; 302-collection tray; 303-transfer track; 302 a-a peel-off debris collection tray; 302 b-a waste debris collection tray; 31-a funnel body portion; 32-neck; 32 a-left side wall; 32 b-right side wall; 32a 1-the bottom end of the left sidewall; 32b 1-bottom end of right sidewall.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
Embodiment one:
the embodiment provides an automobile glass shock resistance experiment glass fragment collecting device, which comprises a sample supporting part for supporting a glass sample to be tested which is horizontally placed, and a glass fragment collecting part for collecting glass fragments. Specifically, as shown in fig. 2-5, the sample support is located above the glass cullet collection section, and includes: a clamping unit for clamping the glass sample to be tested and a supporting unit for supporting the clamping unit. The clamping unit comprises an upper frame 101 and a lower frame 102, a glass sample 100 to be tested is clamped between the upper frame 101 and the lower frame 102, and rubber pads 103 are respectively arranged between the upper frame 101 and the lower frame 102 and the glass sample 100 to be tested. The upper frame 101 and the lower frame 102 are square frames respectively, and the rubber pad 103 is used for playing a buffering role when the upper frame 101 and the lower frame 102 clamp the glass sample 100, so that the glass sample 100 to be tested is prevented from being damaged, and the testing precision is prevented from being affected. The supporting unit includes a supporting frame 201, where the supporting frame 201 is made of a rigid material and is supported at the lower end of the lower frame 102. The top of the support frame 201 is provided with a shoulder structure 201a, and the lower frame 102 is inserted into the shoulder structure 201 a.
The glass cullet collecting part is located below the clamping unit and comprises a funnel 301 and a replaceable collecting tray 302 located below the funnel 301, and a conveying track 303 for placing the collecting tray 302 is arranged below the collecting tray 302. The top of the funnel 301 is supported at the bottom of the lower frame 102 in the whole circumferential direction, and the projection of the glass sample 100 on the horizontal plane is located in the projection area of the top of the funnel 301 on the horizontal plane, so that the peeled glass fragments can be ensured to fall into the funnel 301 completely during impact, and the purpose of completely collecting the fragments is achieved. The funnel 301 has a smooth inner surface. For example, the funnel 301 may be made of stainless steel, or a smooth film, such as an antistatic PET (polyethylene terephthalate) film or BOPP (biaxially oriented polypropylene) antistatic film, is stuck inside the funnel 301, so that the inner surface of the funnel is smooth, and the funnel can resist electrostatic adsorption, so that the glass fragments falling off during stripping and replacing samples can smoothly enter the collecting tray, and the glass fragments cannot stay on the inner surface of the funnel due to the unevenness of the surface of the channel.
The lower part of the supporting frame 201 is provided with a channel, the conveying rail 303 passes through the channel, and the collecting tray 302 positioned on the conveying rail can be conveyed to the lower part of the funnel 301 through the movement of the conveying rail 303, and can be conveyed out from the lower part of the funnel 301 according to the requirement of experimental steps. The number of the collection trays 302 is plural, and the plurality of collection trays 302 are arranged on the transfer rail 303 at a distance from each other.
The invention also provides a method for collecting the fragments of the shock resistance experimental glass of the automobile glass, which is implemented by using the device for collecting the fragments of the shock resistance experimental glass of the automobile glass, and comprises the following steps:
1) Placing a glass sample to be tested on the sample supporting part and clamping the glass sample;
2) Conveying the collecting tray to the lower part of the funnel through a conveying track;
3) The steel ball is used for free falling motion to impact the glass sample;
4) After the impact is finished, the glass fragments which are peeled off are weighed after the collecting tray is transmitted out through the conveying track;
5) And taking out the broken glass sample after impact on the sample supporting part.
Through above-mentioned step, through the delivery track delivery collection dish, when will collect the collection dish that peels off the glass piece that drops and convey to the funnel below with another collection dish that is located its rear and carry out next round test to can effectively improve the efficiency of shock resistance experiment, and the operation of changing the collection dish on the delivery track can be in the outside of sample supporting part is accomplished, and the operation is comparatively simple and convenient.
The present invention also provides a method for collecting glass fragments for impact resistance test of automotive glass, which is implemented using the device for collecting glass fragments for impact resistance test of automotive glass as described above, and, as shown in fig. 6 to 8, the collecting tray includes a peeled-off fragment collecting tray 302a for collecting glass fragments peeled off during impact and a waste-sample fragment collecting tray 302b for collecting glass fragments peeled off when a broken glass sample is replaced, the peeled-off fragment collecting tray 302a being alternately arranged with the waste-sample fragment collecting tray 302 b. The method comprises the following steps:
1) Placing a glass sample to be tested on the sample supporting part and clamping the glass sample;
2) Conveying the peeled chip collecting tray to the lower part of the funnel through a conveying track;
3) The steel ball is used for free falling motion to impact the glass sample;
4) After the impact is finished, the stripping chip collecting tray is conveyed out through the conveying track and the waste chip collecting tray is conveyed to the lower part of the funnel;
5) The broken glass sample after impact was taken out of the peel patch collection pan for weighing.
In the process of one experiment, after the falling ball impacts the glass sample 100, the peeled glass fragments are collected in a peeled fragment collecting tray 302a, and the peeled fragment collecting tray 302a is conveyed out by a conveying track 303 for subsequent experiment steps of taking out, weighing the fragments and the like; when the peeled-off chip collecting tray 302a is carried out along with the conveying rail 303, the waste-sample chip collecting tray 302b located behind it is simultaneously conveyed under the hopper 301, and the chips that are peeled off when the broken glass sample is replaced are collected therein, preventing these chips from being collected to the peeled-off chip collecting tray 302a, causing experimental errors.
While weighing the mass of the fragments, replacing the glass sample, namely conveying the peeled fragment collecting tray out in the step 4) and conveying the waste sample fragment collecting tray to the lower part of the funnel, replacing the glass sample, and collecting the peeled fragments by using the waste sample fragment collecting tray; and the waste sample chip collecting tray is conveyed out through the conveying track, and meanwhile, the next stripping chip collecting tray is conveyed to the lower part of the funnel, so that the next round of conveying is performed, a new impact experiment is performed, and the experiment duration is shortened.
Embodiment two:
as an improvement of the first embodiment, the second embodiment only describes the funnel in detail, and other technical features are the same as those of the first embodiment, and will not be further described.
As shown in fig. 9, the funnel 301 includes a funnel body 31 having a square cone shape and a neck 32 connected to a lower end of the funnel body 31; the left side wall 32a of the neck portion is bent radially inward and extends obliquely downward at least to just above the bottom end 32b1 of the right side wall 32b of the neck portion.
When the glass sample is impacted, the peeled glass fragments are broken up at a high speed, and the fragments fall into the funnel 301, are collected by the funnel body 31 and are conveyed down to the neck 32. With the neck 32 of the funnel configured as described above, the glass fragments broken up in four directions are not directly ejected at a high speed at the opening of the lower end of the neck 32, but are first stopped by the left side wall 32a or the right side wall 32b to be decelerated. If the glass fragments are ejected at a high speed, the glass fragments possibly fly out after being impacted in the collecting tray, experimental errors and personnel injury are caused, and the glass fragments can fall into the collecting tray after being blocked by the left side wall 32a or the right side wall 32b and can not cause loss after being decelerated.
The funnel can be made for soft material, for example rubber material, and the inside surface sets up the smooth film of one deck static electricity prevention, can avoid the funnel of steel material to arouse the further broken defect of piece again when the glass piece strikes, ensures that accurate maximum size glass piece can be obtained.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (7)
1. The collecting method of the glass fragment collecting device for the shock resistance experiment of the automobile glass is characterized in that the collecting device comprises a sample supporting part for supporting a glass sample to be tested which is horizontally placed; a glass cullet collection section located below the glass sample; a hopper, a replaceable collection tray located below the hopper, and a transfer rail located below the collection tray for placing the collection tray; the collection tray is a plurality of, the collection tray includes: a stripping debris collection tray for collecting glass debris stripped off during impact and a waste debris collection tray for collecting glass debris stripped off when a broken glass sample is replaced, the stripping debris collection tray and the waste debris collection tray being spaced apart from each other by a distance and alternately disposed on the transfer rail;
the collecting method specifically comprises the following steps:
1) Placing a glass sample to be tested on a sample supporting part and clamping;
2) Conveying the collecting tray to the lower part of the funnel through a conveying track;
3) The steel ball is used for free falling motion to impact the glass sample;
4) After the impact is finished, the stripping chip collecting tray is conveyed to the lower part of the funnel while being conveyed out through the conveying track, the glass sample is replaced, the stripped chip is collected by the stripping chip collecting tray, the stripping chip collecting tray is conveyed out through the conveying track, and meanwhile, the next stripping chip collecting tray is conveyed to the lower part of the funnel;
5) The broken glass sample after impact was taken from the collection tray for weighing.
2. The collecting method of the glass fragment collecting device for the shock resistance experiment of the automobile glass according to claim 1, which is characterized by comprising the following steps: the sample support includes: a clamping unit for clamping the glass sample to be tested; and the supporting unit is used for supporting the clamping unit.
3. The collecting method of the glass fragment collecting device for the shock resistance experiment of the automobile glass according to claim 1, which is characterized by comprising the following steps: the top of the funnel is supported at the bottom of the clamping unit in the whole circumferential direction; and the projection of the glass sample to be tested on the horizontal plane is positioned in the projection area of the top of the funnel on the horizontal plane.
4. The collecting method of the glass fragment collecting device for the shock resistance experiment of the automobile glass according to claim 1, which is characterized by comprising the following steps: the clamping unit comprises an upper frame and a lower frame, the glass sample is clamped between the upper frame and the lower frame, and rubber pads are respectively arranged between the upper frame and the lower frame and between the glass sample to be tested.
5. The collecting method of the glass fragment collecting device for the shock resistance experiment of the automobile glass according to claim 1, which is characterized by comprising the following steps: the funnel has a smooth inner surface.
6. The collecting method of the glass fragment collecting device for the shock resistance experiment of the automobile glass according to claim 1, which is characterized by comprising the following steps: the funnel comprises a square conical funnel body part and a neck part connected to the lower end of the funnel body part; the left side wall of the neck is bent towards the radial inner side and extends downwards in an inclined manner at least to the position right above the bottom end of the right side wall of the neck.
7. The collecting method of the glass fragment collecting device for the shock resistance experiment of the automobile glass according to claim 1, which is characterized by comprising the following steps: the funnel is made of soft materials.
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| CN201510518013.2A CN106468635B (en) | 2015-08-21 | 2015-08-21 | Device and method for collecting glass fragments in shock resistance experiment of automobile glass |
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| CN110763551B (en) * | 2019-11-28 | 2020-05-15 | 江苏新悦华节能玻璃科技有限公司 | Glass quality detection strikes device |
| CN113593376A (en) * | 2021-08-04 | 2021-11-02 | 佛山林至高分子材料科技有限公司 | Artificial cartilage energy absorption performance demonstration frame and use method thereof |
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