CN211825306U - Sample preparation device for detecting thermal shrinkage rate of film - Google Patents
Sample preparation device for detecting thermal shrinkage rate of film Download PDFInfo
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- CN211825306U CN211825306U CN201922394489.6U CN201922394489U CN211825306U CN 211825306 U CN211825306 U CN 211825306U CN 201922394489 U CN201922394489 U CN 201922394489U CN 211825306 U CN211825306 U CN 211825306U
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Abstract
The utility model discloses a sample preparation device for inspecting the thermal shrinkage rate of a film, which is characterized by comprising an operation platform, a hanging beam plate, a telescopic cylinder, a cutting die carrier and a die cutting die with customized specification and size, wherein the operation platform is tiled and clamped with the film to be cut, the hanging beam plate is suspended above the operation platform and is fixed in height and adjustable in horizontal positioning; the pair of telescopic cylinders are inversely arranged at the bottom side of the beam plate and distributed along the length of the operation platform in a spaced manner, the cutting die carrier is connected to the moving shaft end of the telescopic cylinders and is parallel and opposite to the operation platform, and the die cutting die is inversely arranged at the equidistant center between the two opposite telescopic cylinders at the bottom side of the cutting die carrier and is driven by the telescopic cylinders to press and cut the film. By applying the sample preparation device of the utility model, the customized die cutting die is adopted to be combined with the telescopic cylinder with balanced pressure output and the flat operation surface to be fixed, thereby ensuring the smoothness of the sample and the smooth edge; meanwhile, the safety of sample preparation operation is improved.
Description
Technical Field
The utility model relates to a film sample detection's auxiliary device especially relates to an auxiliary device who is used for making inspection sample according to test standard when examining film heat shrinkage percentage.
Background
The index of the thermal shrinkage rate of the material is an important performance index of the film, and is particularly important in the application of cigarette packaging materials, and the thermal shrinkage rate directly leads to the aesthetic property of the appearance of the thermally processed package. The phenomenon that the packaged object is deformed due to excessive shrinkage or is insufficient in shrinkage to cause bag loosening and the like can be caused by poor heat shrinkage rate or improper use.
The test method for heat shrinkage in the current YCT266-2008 cigarette packaging film industry standard is briefly described as follows. The used instrument tools, a), a blast drying oven: the temperature adjusting range is 40-250 ℃, the temperature uniformity is +/-2 ℃ when being 100 ℃, and the temperature fluctuation degree is +/-1 ℃; b) the right-angle steel plate ruler has the precision of 0.5 mm; c) a stainless steel tray; d) and a stopwatch.
The test steps are as follows: 5 pieces of a square test sample of 100mm multiplied by 100mm are uniformly cut along the width direction of the cigarette film, the longitudinal direction and the transverse direction are marked, one edge is parallel to the longitudinal edge of the cigarette film when the sample is cut, and the maximum deviation angle is not more than 5 degrees. And marking the center of the square sample, and accurately measuring the length between the longitudinal edge and the transverse edge of the square sample passing through the center mark to be accurate to 0.5 mm. And then, turning on a power supply of the oven, raising the temperature to (120 +/-2) DEG C, stabilizing for more than half an hour, clamping the samples (5 sheets) on a stainless steel plate horizontally arranged in the middle of the oven at intervals by using common thin paper, and quickly closing the door of the oven, wherein the door opening and closing process is not more than 10 s. During testing, blowing is carried out, samples are taken out after heating is carried out for 5min, the samples are placed in a test room and cooled to room temperature, the length of a longitudinal mark and the length of a transverse mark are measured, the longitudinal thermal shrinkage rate and the transverse thermal shrinkage rate are calculated according to the formula, the arithmetic average value of 5 test samples is taken as a test result, and the accuracy is up to 0.1%.
In the formula:T-thermal shrinkage,%;L 1 length before heating, in mm.L 2 Length after heating, in mm.
At present, when a sample is prepared for testing the thermal shrinkage rate, a manual die is adopted to manually cut the sample into a sample sheet with the thickness of 100mm by 100mm, and the sample sheet is easy to cut and shift in the cutting process due to the fact that the material still has high surface smoothness in the cutting process, so that the cutting size is inaccurate, and even the hand of a person is scratched due to the sliding of the film surface.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide an oxygen generator for detecting the thermal shrinkage of a film, which solves the problems of inaccurate sample size and potential safety hazard.
The above object of the present invention is achieved by the following technical solutions: a sample preparation device for inspecting the thermal shrinkage rate of a film is characterized by comprising an operation platform, a hanging beam plate, a telescopic cylinder, a cutting die carrier and a die cutting die with customized specification and size, wherein the operation platform is tiled and clamped with the film to be cut, the hanging beam plate is suspended above the operation platform and is fixed in height and adjustable in horizontal positioning; the pair of telescopic cylinders are inversely arranged at the bottom side of the beam plate and distributed at intervals along the length of the operation platform, the cutting die carrier is connected to the moving shaft end of the telescopic cylinders and is parallel and opposite to the operation platform, and the die cutting die is inversely arranged at the equidistant center between the two opposite telescopic cylinders at the bottom side of the cutting die carrier and is driven by the telescopic cylinders to press and cut the film.
Further, the die cutting knife die is a square frame-shaped single-edge knife, and any side of the die cutting knife die is at least 80mm, 100mm or 150mm according to the shrinkage rate test standard.
Further, the die cutting die may alternatively be attached to the underside of the die carrier.
Furthermore, a pair of telescopic cylinders and two button switches are connected in series into the driving circuit, the two buttons are respectively arranged at two ends of the transverse outer side of the operation platform, and the telescopic cylinders synchronously act under equal pressure.
Furthermore, a pair of telescopic cylinders and a remote control switch are connected in series to be connected into the driving circuit, the remote control switch is matched and interconnected with an external remote controller, and the telescopic cylinders synchronously perform equal-pressure action.
Furthermore, the telescopic cylinder is provided with a pressure gauge for adjusting the pressure output value.
Further, clamping mechanisms are arranged on the two transverse sides of the operation platform, attachment holes of an externally-connected negative pressure fan are distributed in the operation platform area between the clamping mechanisms, and the negative pressure strength meets the requirement of a film attachment operation platform and keeps flatness.
The utility model discloses the effect that is showing after technical scheme uses implementation does: the customized die cutting die is adopted to be combined with the telescopic cylinder with balanced pressure output and the flat operation surface to be fixed, so that the flatness of a sample and the smoothness of the edge are ensured; meanwhile, the safety of sample preparation operation is improved.
Drawings
Fig. 1 is a schematic perspective view of the sample preparation device of the present invention.
Detailed Description
The following detailed description is made of specific embodiments of the present invention with reference to the accompanying drawings, so as to make the technical solution of the present invention easier to understand and master.
As a preferred embodiment of the invention, as shown in FIG. 1, the sample preparation device for inspecting the heat shrinkage rate of the film comprises a working platform 1, a hanging beam plate 7, a telescopic cylinder 6, a cutting die carrier 5 and a die cutting die 8 with a customized specification and dimension, and the punching type cutting device is formed by spatial and three-dimensional assembly. The connection structure is as follows: the film 3 to be cut is flatly laid and clamped on the operation platform 1, the hanging beam plate 7 is arranged above the operation platform 1 in a suspending mode, the height is fixed, the height is adjustable in the horizontal direction, the pair of telescopic cylinders 6 are inversely arranged on the bottom side of the hanging beam plate 7 and are distributed along the length of the operation platform in a relatively spaced mode, the cutting die carrier 5 is connected to the movable shaft end of the telescopic cylinders 6 and is parallel and opposite to the operation platform 1, and the die cutting die 8 serving as a sample preparation key tool is inversely arranged at the equidistant center between the two opposite telescopic cylinders on the bottom side of the cutting die carrier 5 and is driven to press and cut the film by the telescopic cylinders.
It should be noted that the above-mentioned structural design of the suspended beam plate can provide sufficient movement space for the mechanisms (especially the telescopic cylinder) between the work platform and the suspended beam plate, and can be arbitrarily adjusted in position and positioned in the transverse plane with respect to the work platform, for example, the suspended beam plate is further attached to a spatial three-axis positioning robot arm. Because the film sampling position is not limited by a special position, thinning and unfolding are omitted by the implementation technical means that the horizontal positioning of the hanging beam plate is adjustable. In addition, the position of the relative telescopic cylinder arranged on the die cutting die aims at ensuring that the cutting edge faces the film to apply pressure in a balanced mode, and sample preparation quality is improved.
In more particular detail, the die-cutting die 8 is a square frame-shaped single-edge knife, and either side is set to be at least 80mm, 100mm or 150mm according to the shrinkage test standard. The specification size of 100mm x 100mm is preferred in this embodiment. Of course, according to different sample preparation requirements, the die cutting dies with different specifications and sizes can be replaced and assembled on the bottom side of the die carrying platform.
From the power perspective, the pair of telescopic cylinders can be connected into the driving circuit in series with the two button switches, the two buttons are respectively arranged at two ends of the transverse outer side of the operation platform, and the telescopic cylinders synchronously perform equal-pressure action. Through using the double-hand operation of the double buttons, injury caused by misoperation of an operator can be avoided. Furthermore, as shown in the preferred embodiment, the pair of telescopic cylinders can be connected in series with a remote control switch to be connected in a driving loop, the remote control switch is paired and interconnected with an external remote controller 4, and an operator can control the external remote controller at a distance from the operation platform to control the telescopic cylinders to synchronously perform equal-pressure actions. The telescopic cylinder is provided with a pressure gauge for adjusting the pressure output value.
On the other hand, from the perspective of film positioning, because the thickness of the film and the size span of the width expansion are large, the sample preparation quality is also greatly influenced by the paving degree of the film during sample preparation operation, therefore, clamping mechanisms 2 are arranged on the two transverse sides of the operation platform 1, the operation platform area between the clamping mechanisms 2 is provided with attachment holes of an externally-connected negative pressure fan, and the negative pressure strength meets the requirement that the film 3 is attached to the operation platform 1 and keeps the flatness.
To sum up about the utility model discloses technical scheme's embodiment details can be seen, and its application effect is showing: the device adopts a customized die cutting die to be fixed with a telescopic cylinder for pressure balanced output and a flat working surface, so that the flatness of a sample and the smoothness of the edge are ensured; meanwhile, the safety of sample preparation operation is improved.
In addition to the above embodiments, other embodiments of the present invention are also possible. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the scope of the present invention as claimed.
Claims (7)
1. A sample preparation device for inspecting the thermal shrinkage rate of a film is characterized by comprising an operation platform, a hanging beam plate, a telescopic cylinder, a cutting die carrier and a die cutting die with customized specification and size, wherein the operation platform is tiled and clamped with the film to be cut, the hanging beam plate is suspended above the operation platform and is fixed in height and adjustable in horizontal positioning; the pair of telescopic cylinders are inversely arranged at the bottom side of the beam plate and distributed at intervals along the length of the operation platform, the cutting die carrier is connected to the moving shaft end of the telescopic cylinders and is parallel and opposite to the operation platform, and the die cutting die is inversely arranged at the equidistant center between the two opposite telescopic cylinders at the bottom side of the cutting die carrier and is driven by the telescopic cylinders to press and cut the film.
2. The sample preparation device for inspecting heat shrinkage of film according to claim 1, wherein: the die cutting die is a square frame-shaped single-edge knife, and any edge of the die cutting die is at least 80mm, 100mm or 150mm according to the shrinkage rate test standard.
3. A sample preparation device for inspecting heat shrinkage of a film according to claim 1 or 2, wherein: the die cutting die can be alternatively attached to the bottom side of the die carrier.
4. The sample preparation device for inspecting heat shrinkage of film according to claim 1, wherein: a pair of telescopic cylinder and two button switches connect in drive circuit in series, and two buttons are located the both ends in the horizontal outside of work platform respectively, and telescopic cylinder is synchronous to be moved with equal pressure.
5. The sample preparation device for inspecting heat shrinkage of film according to claim 1, wherein: the pair of telescopic cylinders and the remote control switch are connected in series to be connected into the driving circuit, the remote control switch is matched and interconnected with an external remote controller, and the telescopic cylinders synchronously act under equal pressure.
6. A sample preparation device for testing heat shrinkage of a film according to claim 1, 4 or 5, wherein: the telescopic cylinder is provided with a pressure gauge for adjusting the pressure output value.
7. The sample preparation device for inspecting heat shrinkage of film according to claim 1, wherein: the horizontal both sides of operation platform are equipped with clamping mechanism, and the regional distribution of operation platform between the clamping mechanism is equipped with outer attached hole of antitopper blower, and negative pressure intensity satisfies film laminating operation platform and keeps the straightness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922394489.6U CN211825306U (en) | 2019-12-27 | 2019-12-27 | Sample preparation device for detecting thermal shrinkage rate of film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922394489.6U CN211825306U (en) | 2019-12-27 | 2019-12-27 | Sample preparation device for detecting thermal shrinkage rate of film |
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| CN211825306U true CN211825306U (en) | 2020-10-30 |
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| CN201922394489.6U Active CN211825306U (en) | 2019-12-27 | 2019-12-27 | Sample preparation device for detecting thermal shrinkage rate of film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114705712A (en) * | 2022-06-06 | 2022-07-05 | 深圳市博盛新材料有限公司 | Lithium battery diaphragm heat shrinkage performance testing device |
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2019
- 2019-12-27 CN CN201922394489.6U patent/CN211825306U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114705712A (en) * | 2022-06-06 | 2022-07-05 | 深圳市博盛新材料有限公司 | Lithium battery diaphragm heat shrinkage performance testing device |
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