CN215218382U - Film tensile testing machine - Google Patents
Film tensile testing machine Download PDFInfo
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- CN215218382U CN215218382U CN202120909577.XU CN202120909577U CN215218382U CN 215218382 U CN215218382 U CN 215218382U CN 202120909577 U CN202120909577 U CN 202120909577U CN 215218382 U CN215218382 U CN 215218382U
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Abstract
The utility model relates to a tensile technical field of film discloses a film tensile testing machine, including casing, baffle, heating device and the tensile clamping device of film, the baffle is four, four the baffle can set up with reciprocating the middle part of casing, and will cast piece installing zone, the tensile district of film, film design district, film cooling district and film take out the district are cut apart into to the casing, the tensile district of film design district reaches film cooling district respectively with heating device is linked together, the tensile clamping device of film is movably to be set up the inside of casing. The utility model discloses increase two sections oven sections that can set up different temperatures after the film is tensile for can finalize the design and cool off under the optimum temperature in succession after the film is tensile, thereby simulate biaxial stretching film's drawing, design and refrigerated process completely, the film product property performance difference of the film sample that has reduced the experiment and has obtained and actual production has improved the guide meaning of test result to production.
Description
Technical Field
The utility model relates to a tensile technical field of film especially relates to a film tensile testing machine.
Background
With the development of domestic industrial technology, the types of films and differentiated products are more and more, and especially the performance of the biaxially oriented films is far superior to that of cast films, blow films and other types of films, so more and more manufacturers are willing to invest in a stretching line to produce the biaxially oriented films. However, the stretching line generally has huge equipment, and the investment loss for research and development tests is too large, so many domestic large-scale film manufacturers purchase special off-line film stretching equipment for research and development. At present, most off-line film stretching equipment designers pay more attention to the design of a stretching structure, so that a clamp can firmly clamp a cast sheet, and a film can be stably stretched at a set temperature, and the importance of shaping on the performance of the film is neglected.
The molecular chain of the stretched film is straightened and oriented regularly, and if the film is not crystallized and shaped, the molecular chain is automatically curled and shrunk seriously when the film is heated again, so that an important process of the double-wire stretched film in a transverse stretching section is called crystallization and shaping, namely that the stretched film is quickly subjected to thermal crystallization in a high-temperature environment, the stretched molecular chain is fixed in time, and the crystallinity, the thermal stability, the mechanical property and the like of the film are improved.
At present, the existing film tensile testing machines only have a stretching step and cannot shape a stretched film in time, so that a film sample obtained through an experiment has a larger difference from the performance of a film product actually produced, and the film tensile testing machines have a smaller guiding significance on production.
SUMMERY OF THE UTILITY MODEL
For solving above-mentioned technical problem, the utility model provides a film tensile testing machine can simulate the tensile, design of film and refrigerated overall process completely, reduces the film sample that the experiment obtained and the film property performance difference of actual production, improves the guide meaning of test result to production.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a film tensile testing machine, includes casing, baffle, heating device and the tensile clamping device of film, the baffle is four, four the baffle can set up with reciprocating the middle part of casing, and will the casing is cut apart into and is cast piece installing zone, the tensile district of film, film design district, film cooling district and film and takes out the district, the tensile district of film the film design district reaches film cooling district respectively with heating device is linked together, the tensile clamping device of film is movably set up the inside of casing.
Preferably, the heating device comprises a heating fan, and the heating fan is respectively connected with the film stretching area, the film shaping area and the film cooling area through air pipes.
Preferably, heating device still including set up respectively the tensile district of film the district reaches the air-out board in the film cooling district, the air-out board includes relative and two air-out board bodies that looks interval set up, be equipped with the exhaust vent on the air-out board body, tensile clamping device of film is followed two remove between the air-out board body.
Preferably, the film stretching and clamping device comprises two parallel transverse sliding rods and two parallel longitudinal sliding rods, the two transverse sliding rods and the two longitudinal sliding rods are arranged in a staggered mode in a groined shape, staggered positions of the transverse sliding rods and the longitudinal sliding rods are connected through bidirectional sliding blocks, a support is arranged between every two adjacent bidirectional sliding blocks, and a clamp is arranged on the support.
Preferably, the guide rod assembly comprises four rotatable guide rods respectively corresponding to two ends of the transverse sliding rod and two ends of the longitudinal sliding rod, reverse threads are arranged at two ends of each guide rod, fixed sliding blocks are respectively connected to the threads of each guide rod, and two ends of the transverse sliding rod and two ends of the longitudinal sliding rod are respectively connected with the fixed sliding blocks on the corresponding guide rods.
Preferably, the guide rod sequentially comprises a first thread section, a middle section and a second thread section along the length direction of the guide rod, the thread directions of the first thread section and the second thread section are opposite, and two ends of the first thread section and two ends of the second thread section are respectively provided with a limiting block.
Preferably, the bottom of box is equipped with the slide rail, sliding connection has the removal seat on the slide rail, be equipped with the bracing piece on the removal seat, the upper end of bracing piece is connected the tensile clamping device of film.
Preferably, the housing includes a casting sheet mounting box body disposed in the casting sheet mounting area, a film stretching box body disposed in the film stretching area, a film shaping box body disposed in the film shaping area, a film cooling box body disposed in the film cooling area, and a film take-out box body disposed in the film take-out area.
Preferably, the device comprises a driving mechanism, wherein the driving mechanism is respectively connected with the partition board and the film stretching and clamping device and is used for driving the partition board and the film stretching and clamping device to move and driving the film stretching and clamping device to start and stop.
Preferably, the baffle includes two base layers that set up relatively, two it has the insulating layer to fill between the base layer, the material of insulating layer is silica gel expanded material.
The utility model discloses film tensile testing machine compares with prior art, and its beneficial effect lies in: the film shaping area and the film cooling area are arranged behind the film stretching area and are communicated with the heating device, so that two sections of oven sections with different temperatures can be additionally arranged after the film is stretched, the film can be continuously shaped and cooled at the optimal temperature after being stretched, the whole process of stretching, shaping and cooling of the biaxial stretching film is completely simulated, the difference between a film sample obtained by an experiment and the performance of a film product actually produced is reduced, and the guiding significance of the test result on the production is improved. The utility model discloses simple structure, excellent in use effect easily uses widely.
Drawings
Fig. 1 is a front view of the film tensile testing machine of the present invention.
Fig. 2 is a plan view of the film tensile testing machine of the present invention.
Fig. 3 is the structure schematic diagram of the film stretching clamping device of the film stretching testing machine of the present invention.
Wherein: 1-shell, 11-casting sheet installation box, 12-film stretching box, 13-film shaping box, 14-film cooling box, 15-film taking box, 2-partition board, 3-film stretching and clamping device, 31-transverse slide bar, 32-longitudinal slide bar, 33-guide bar, 34-limiting block, 35-bidirectional slide block, 36-bracket, 37-clamp, 38-fixed slide block, 4-slide rail, 5-movable seat, 6-support bar, 7-air outlet plate and 8-air outlet hole.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1-2, the utility model provides a film tensile testing machine of preferred embodiment, including casing 1, baffle 2, heating device and the tensile clamping device 3 of film, baffle 2 is four, four baffle 2 can set up with reciprocating casing 1's middle part, and will casing 1 is cut apart into casting installing zone, the tensile district of film, film design district, film cooling district and film and is taken out the district, preferably, baffle 2 is including two base layers of relative setting, the base layer is the metal, two it has the insulating layer to fill between the base layer, the material of insulating layer is silica gel expanded material, specifically is the high thermal-insulated silica gel expanded material composition of high temperature of can nai 250 ℃. The film stretching area, the film shaping area and the film cooling area are respectively communicated with the heating device, and the film stretching and clamping device 3 is movably arranged in the shell 1.
The film tensile testing machine based on the technical characteristics is characterized in that the film shaping area and the film cooling area are arranged behind the film stretching area and are communicated with the heating device, so that two sections of oven sections with different temperatures can be arranged after the film is stretched, the film can be continuously shaped and cooled at the optimal temperature after being stretched, the whole process of stretching, shaping and cooling of the biaxially oriented film is completely simulated, the performance difference between a film sample obtained through an experiment and a film product actually produced is reduced, and the guiding significance of the test result on the production is improved. The utility model discloses simple structure, excellent in use effect easily uses widely.
In this embodiment, the heating device includes a heating blower (not shown), and the heating blower is connected to the film stretching region, the film shaping region, and the film cooling region through air pipes. During testing, the film stretching and clamping device 3 firstly installs the cut cast sheet in the cast sheet installation area, then moves to the film stretching area, the film shaping area and the film cooling area in sequence to stretch, shape and cool, and finally takes out a sample in the film taking-out area.
In addition, it is right for the convenience sample on the tensile clamping device 3 of film heats, heating device is still including setting up respectively the tensile district of film the film design district reaches play aerofoil 7 in the film cooling space, it includes relative and two play aerofoil bodies that the looks interval set up to go out aerofoil 7, the equipartition has a plurality of exhaust vents 8 on the play aerofoil body, tensile clamping device 3 of film is followed two remove between the play aerofoil body, has not only guaranteed heating efficiency, has also guaranteed the thermally equivalent of sample.
Referring to fig. 3, in the present embodiment, the film stretching and clamping device 3 includes two parallel horizontal sliding rods 31 and two parallel longitudinal sliding rods 32, the two horizontal sliding rods 31 and the two longitudinal sliding rods 32 are arranged in a staggered manner in a groined shape, the staggered position is connected by two-way sliding blocks 35, a support 36 is arranged between two adjacent two-way sliding blocks 35, a clamp 37 is arranged on the support 36, and the support 36 is a telescopic support. When clamping, the casting sheet is clamped directly by using the clamp 37, and when stretching, the two longitudinal sliding rods 32 and the two transverse sliding rods 31 both move towards the direction away from each other, so that stretching is realized. Specifically, the film stretching and clamping device 3 further includes four rotatable guide rods 33 respectively corresponding to two ends of the transverse sliding rod 31 and two ends of the longitudinal sliding rod 32, two ends of each guide rod 33 are provided with reverse threads, the threads of each guide rod 33 are respectively connected with a fixed sliding block 38, and two ends of the transverse sliding rod 31 and two ends of the longitudinal sliding rod 32 are respectively connected with the fixed sliding blocks 38 on the corresponding guide rods 33. For convenience of description, the guide rod 33 sequentially includes a first thread section, a middle section and a second thread section along a length direction thereof, and thread directions of the first thread section and the second thread section are opposite. The following description will take two longitudinal sliding rods 32 as an example, and define two longitudinal sliding rods 32 as a first longitudinal sliding rod and a second longitudinal sliding rod respectively, two ends of the first longitudinal sliding rod are connected to one fixed slider 38 on each guide rod 33 on two opposite guide rods 33 respectively, two ends of the second longitudinal sliding rod are connected to another fixed slider 38 on each guide rod 33 on two opposite guide rods 33 respectively, when stretching, the guide rods 33 rotate, and the two fixed sliders 38 on each guide rod 33 move in a direction away from the guide rods 33, so as to achieve stretching, and when needing to return, the guide rods 33 are rotated reversely. The two transverse sliding rods 31 move in the same manner, and are not described in detail herein. Meanwhile, in order to prevent the fixed slider 38 from sliding out of the guide rod 33, two ends of the first thread section and the second thread section are respectively provided with a limiting block 34, so that the fixed slider 38 can only move in the limiting block 34.
In this embodiment, the bottom of box 1 is equipped with slide rail 4, sliding connection has removal seat 5 on slide rail 4, be equipped with bracing piece 6 on the removal seat 5, the upper end of bracing piece 6 is connected the tensile clamping device 3 of film, thereby it is convenient the tensile clamping device 3 of film is in removal in the casing 1. The housing 1 may be an integral body, or the housing may include a casting sheet mounting box 11 disposed in the casting sheet mounting area, a film stretching box 12 disposed in the film stretching area, a film shaping box 13 disposed in the film shaping area, a film cooling box 14 disposed in the film cooling area, and a film taking-out box 15 disposed in the film taking-out area.
In this embodiment, for convenient control and intelligent implementation, the film tensile testing machine further includes a driving mechanism (not shown in the figure), and the driving mechanism is respectively connected to the partition board 2 and the film tensile clamping device 3, and is configured to drive the partition board 2 and the film tensile clamping device 3 to move and drive the start and stop of the film tensile clamping device 3. The drive mechanism may be any mechanism known in the art and is not further illustrated herein.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (10)
1. A film tensile testing machine is characterized in that: the device comprises a shell, four partition plates, a heating device and a film stretching and clamping device, wherein the four partition plates are arranged in the middle of the shell in a vertically movable mode and divide the shell into a casting sheet mounting area, a film stretching area, a film shaping area, a film cooling area and a film taking-out area, the film stretching area, the film shaping area and the film cooling area are respectively communicated with the heating device, and the film stretching and clamping device is movably arranged in the shell.
2. The film tensile testing machine of claim 1, wherein: the heating device comprises a heating fan, and the heating fan is respectively connected with the film stretching area, the film shaping area and the film cooling area through air pipes.
3. The film tensile testing machine of claim 2, wherein: the heating device further comprises air outlet plates which are arranged in the film stretching area, the film shaping area and the film cooling area respectively, the air outlet plates comprise two air outlet plate bodies which are arranged oppositely and at intervals, air outlet holes are formed in the air outlet plate bodies, and the film stretching clamping device moves between the air outlet plate bodies along two edges.
4. The film tensile testing machine of claim 1, wherein: the film stretching and clamping device comprises two parallel transverse sliding rods and two parallel longitudinal sliding rods, the transverse sliding rods and the longitudinal sliding rods are arranged in a staggered mode in a # -shape, staggered positions of the transverse sliding rods and the longitudinal sliding rods are connected through bidirectional sliding blocks, a support is arranged between the bidirectional sliding blocks, and clamps are arranged on the support.
5. The film tensile testing machine according to claim 4, wherein: the guide rod structure comprises four rotatable guide rods which respectively correspond to two ends of the transverse sliding rod and two ends of the longitudinal sliding rod, reverse threads are arranged at two ends of each guide rod, fixed sliding blocks are respectively connected to the threads of the guide rods, and two ends of the transverse sliding rod and two ends of the longitudinal sliding rod are respectively connected with the fixed sliding blocks on the corresponding guide rods.
6. The film tensile testing machine of claim 5, wherein: the guide rod sequentially comprises a first thread section, a middle section and a second thread section along the length direction of the guide rod, the thread directions of the first thread section and the second thread section are opposite, and two ends of the first thread section and the second thread section are respectively provided with a limiting block.
7. The film tensile testing machine of claim 1, wherein: the bottom of box is equipped with the slide rail, sliding connection has the removal seat on the slide rail, be equipped with the bracing piece on the removal seat, the upper end of bracing piece is connected the tensile clamping device of film.
8. The film tensile testing machine of claim 1, wherein: the shell comprises a casting sheet mounting box body arranged in the casting sheet mounting area, a film stretching box body arranged in the film stretching area, a film shaping box body arranged in the film shaping area, a film cooling box body arranged in the film cooling area and a film taking-out box body arranged in the film taking-out area.
9. The film tensile testing machine of claim 1, wherein: the film stretching and clamping device comprises a driving mechanism, wherein the driving mechanism is respectively connected with the partition plate and the film stretching and clamping device and is used for driving the partition plate and the film stretching and clamping device to move and driving the film stretching and clamping device to start and stop.
10. The film tensile testing machine of claim 1, wherein: the baffle includes two relative base layers that set up, two it has the insulating layer to fill between the base layer, the material of insulating layer is silica gel expanded material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120909577.XU CN215218382U (en) | 2021-04-28 | 2021-04-28 | Film tensile testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120909577.XU CN215218382U (en) | 2021-04-28 | 2021-04-28 | Film tensile testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215218382U true CN215218382U (en) | 2021-12-17 |
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ID=79447804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120909577.XU Active CN215218382U (en) | 2021-04-28 | 2021-04-28 | Film tensile testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215218382U (en) |
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2021
- 2021-04-28 CN CN202120909577.XU patent/CN215218382U/en active Active
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