CN211148256U

CN211148256U - Plastic film tensile testing machine

Info

Publication number: CN211148256U
Application number: CN201922021805.5U
Authority: CN
Inventors: 沈培; 沈奇
Original assignee: Dober Shanghai Packaging Materials Co ltd
Current assignee: Dober Shanghai Packaging Materials Co ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-07-31
Anticipated expiration: 2029-11-18

Abstract

The utility model relates to a tensile test equipment technical field's a plastic film tensile test machine aims at solving the problem of having carried out tensile test back and being convenient for take off plastic film, and it includes the supporting seat, supporting seat one side is fixed with the test jig that sets up along vertical direction, test jig one side is fixed with test fixture, the supporting seat opposite side is equipped with the controller, workstation one side is equipped with the collecting box, the collecting box is just right test jig one side intercommunication has flexible pipeline, flexible pipeline is close to test jig one end is fixed with the suction hood, the collecting box lateral wall is fixed with first filter screen, be fixed with first suction fan on the outer wall of collecting box place first filter screen one side. The utility model discloses have the effect that is convenient for take off the plastic film after the drawing.

Description

Plastic film tensile testing machine

Technical Field

The utility model belongs to the technical field of the technique of tensile test equipment and specifically relates to a plastic film tensile test machine is related to.

Background

The universal material testing machine is used for testing mechanical properties of various materials, such as static load, tension, compression, bending, shearing, tearing, peeling and the like of instruments and equipment, and is suitable for testing various physical and mechanical properties of materials, such as plastic plates, pipes, profiled bars, plastic films, rubber, electric wires and cables, steel, glass fiber and the like.

The film tensile testing machine is mainly used for tensile test of films, the tensile test refers to a test method for measuring material characteristics under the condition that a material bears axial tensile load, and the data measured by the tensile test can be used for determining the elastic limit, the elongation, the elastic modulus, the proportional limit, the area reduction, the tensile strength, the yield point, the yield strength and other tensile performance indexes of the material.

Among the prior art, chinese patent that publication number is CN207248621U discloses a plastic film tensile testing machine, including the test jig with set up in the controller of test jig one side, be equipped with test fixture on the test jig, test fixture include left intermediate layer and with left intermediate layer can dismantle the right intermediate layer of complex, left intermediate layer and right intermediate layer can slide along the relative plane of left intermediate layer and right intermediate layer, be equipped with the mounting of fixed test fixture on the test jig, the mounting bottom is equipped with the guide block, be equipped with on the intermediate layer of the right side with the guide rail that the guide block slided and is connected, the guide rail extends along the gliding direction of right intermediate layer, be equipped with on the test fixture and be used for promoting the promotion subassembly of right intermediate layer and restrict left intermediate layer and the gliding restriction part of right intermediate layer freedom, promote the subassembly including setting up the push-and-pull rod on.

The working process is as follows: when the device works, an operator pushes the push-pull rod to push and pull the right interlayer, the right interlayer slides in the guide rail, the left interlayer and the right interlayer are staggered and separated, the film to be tested is placed into the test fixture, the limiting part limits the left interlayer and the right interlayer to freely slide, the left interlayer and the right interlayer are fixed, the plastic film is tightly clamped and not prone to wrinkling, the operator pulls the test fixture upwards to complete tensile resistance test on the plastic film, and data are read through the controller.

However, the above-described technique has the following drawbacks: generally, when a tester tests the tensile property of the plastic film, the tester can simultaneously test various plastic films at one time, after each test is completed, an operator needs to take off the plastic film after the tensile test is completed, the plastic film is easy to generate static electricity in the stretching process and between the left interlayer and the right interlayer, and the operator is difficult to take off the plastic film after the tensile test is completed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a plastic film tensile testing machine has the beneficial effect that the plastic film after being convenient for will stretching is convenient for take off.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a plastic film tensile testing machine, includes the supporting seat, the bottom of supporting seat is fixed with the support, supporting seat one side is fixed with the test jig that sets up along vertical direction, test jig one side is fixed with test fixture, the supporting seat opposite side is equipped with the controller, workstation one side is equipped with the collecting box, the collecting box is just right test jig one side intercommunication has flexible pipeline, flexible pipeline is close to test jig one end is fixed with the suction hood, the collecting box lateral wall is fixed with first filter screen, be fixed with first extraction fan on the outer wall of collecting box place first filter screen one side.

Through adopting above-mentioned technical scheme, when operating personnel carries out tensile test to plastic film, arrange plastic film in the test fixture earlier, start first suction fan after tensile test accomplishes, the while control test fixture loosens, plastic film after first suction fan will be accomplished in the collecting box through flexible pipeline absorption, the collection to wind-force in the flexible pipeline has been realized in setting up of suction hood, prevent that plastic film from flying away from flexible pipeline at the during operation, plastic film that adsorbs on first filter screen is supported by first filter screen and is kept off in the collecting box inner wall, plastic film produces static very easily at tensile in-process, the setting of first suction fan is convenient for operating personnel and takes off plastic film.

The utility model discloses further set up to: the exhaust fan is fixed on the outer wall of the top of the collecting box.

Through adopting above-mentioned technical scheme, first extraction fan is to closing first extraction fan to adsorbing plastic film on the filter screen after, and the air exhauster is fixed in the collection box top and is convenient for plastic film and drop in the collecting box diapire under self gravity, realizes the convenient collection to plastic film.

The utility model discloses further set up to: and a second exhaust fan is fixed on the bottom wall of the collection box opposite to the first exhaust fan.

Through adopting above-mentioned technical scheme, in order to prevent that some plastic film cards from going into the mesh of first filter screen and can not drop under self action of gravity, just be fixed with the second extraction fan on the collecting box diapire of first extraction fan, close first extraction fan, open the second extraction fan, the plastic film that the card went into first filter screen mesh drops in the collecting box diapire under the absorption of second extraction fan, is convenient for collect.

The utility model discloses further set up to: the bottom of the collecting box is provided with a collecting frame, and the collecting frame is provided with a second filter screen over against the bottom wall on one side of the first exhaust fan.

Through adopting above-mentioned technical scheme, the setting of collecting the frame has realized collecting the plastic film who adsorbs on first filter screen, just right the realization of the second filter screen of the diapire setting of first extraction fan one side between first filter screen and the second filter screen is gaseous to the convection current, can be convenient for adsorb plastic film in collecting the frame when the second extraction fan starts.

The utility model discloses further set up to: the collecting frame is arranged by being close to one side of the second filter screen towards being close to one side of the telescopic pipeline in a downward inclined mode.

Through adopting above-mentioned technical scheme, the collection frame has prevented by being close to second filter screen one side orientation and has been close to flexible pipeline one side downward sloping setting that the plastic film that drops in the collection frame from blockking up the second filter screen to naturally landing in the one side of collecting the frame downward sloping under the effect of gravity component.

The utility model discloses further set up to: the telescopic pipeline comprises a first pipeline and a second pipeline which is in plug-in fit with the first pipeline, a plurality of limiting grooves are formed in the peripheral wall of the first pipeline, each limiting groove is distributed along the axis of the first pipeline in sequence, limiting assemblies are arranged in the limiting grooves, and through holes which are connected with the limiting grooves in a clamping mode are formed in the peripheral wall of the second pipeline.

Through adopting above-mentioned technical scheme, the shrink to flexible pipeline is convenient for realize in the setting of first pipeline and second pipeline, when collecting plastic film, operating personnel can stretch out the second pipeline from first pipeline, can directly stretch into the second pipeline after the operation is accomplished and realize the shrink in the first pipeline, the operating personnel's of being convenient for operation.

The utility model discloses further set up to: the limiting assembly comprises a telescopic clamping block arranged in the limiting groove and a telescopic spring fixed on the bottom wall of the limiting groove and connected with the telescopic clamping block.

Through adopting above-mentioned technical scheme, the setting of flexible fixture block and expanding spring has realized the scalable of spacing subassembly at the spacing inslot to be convenient for flexible pipeline's flexible in order to adjust flexible pipeline length.

The utility model discloses further set up to: the through hole is provided with a convex wall facing the inner side of the first pipeline, one end of the telescopic fixture block, which is close to the telescopic spring, is provided with a flange, and the diameter of the inner ring of the convex wall is smaller than that of the outer ring of the flange.

Through adopting above-mentioned technical scheme, the smooth and easy motion of flexible fixture block in the spacing inslot is realized to the setting of convex wall and flange to break away from the spacing inslot when having prevented flexible fixture block spacing inslot from flexible.

To sum up, the utility model discloses a beneficial technological effect does:

1. the plastic film is convenient to take down through the designed first exhaust fan;

2. the second exhaust fan is designed to prevent the plastic film from being clamped into the meshes of the first filter screen, so that the plastic film is difficult to clean;

3. through the telescopic fixture block and the telescopic spring, the telescopic effect of the limiting assembly in the limiting groove is achieved, the telescopic pipeline is convenient to stretch, and therefore the telescopic pipeline is convenient to stretch and adjust the length of the telescopic pipeline.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of an exploded structure of the collection bin;

fig. 3 is a schematic sectional view of a-a in fig. 1.

In the figure, 1, a collecting box; 2. a first conduit; 3. a second conduit; 4. an air draft cover; 5. a test jig; 6. a controller; 7. a supporting seat; 8. a telescopic pipeline; 9. testing the clamp; 10. a through hole; 22. a second filter screen; 23. a second suction fan; 24. a first suction fan; 25. a first filter screen; 31. a limiting groove; 32. a flange; 33. a convex wall; 34. a tension spring; 35. a telescopic clamping block; 36. and a limiting component.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model discloses a plastic film tensile testing machine, as shown in figure 1, including supporting seat 7, supporting seat 7 one side is fixed with along the test jig 5 of vertical direction setting, test jig 5 one side is fixed with test fixture 9, test fixture 9 sets up to two along the relative setting of the vertical direction of test jig 5 in this embodiment, test fixture 9 includes first intermediate layer and can follow the second intermediate layer of first intermediate layer plane relative sliding connection, frictional force between plastic film and the test fixture 9 when in order to increase the test, be provided with anti-skidding stripe on the relative side of first intermediate layer and second intermediate layer, be provided with on the test fixture and be used for promoting first interbedded push-pull rod and the spacing bolt of the first intermediate layer of restriction and the free gliding of second intermediate layer, 7 opposite sides of supporting seat are provided with controller 6.

The plastic film is very easy to generate static electricity in the stretching process, and in order to facilitate an operator to take the plastic film down, as shown in fig. 1 and 2, a collecting box 1 is arranged on one side of a workbench, an exhaust hood 4 is fixed at one end, close to a test jig 5, of a telescopic pipeline 8, a first filter screen 25 is fixed on the side wall of the collecting box 1, a first exhaust fan 24 is fixed on the outer wall of one side of the first filter screen 25 where the collecting box 1 is located, and the first exhaust fan 24 is fixed on the outer wall of the top of the collecting box 1.

In order to prevent some plastic films from being stuck into the meshes of the first filter screen 25 and not falling under the action of self gravity, as shown in fig. 2, a second suction fan 23 is fixed on the bottom wall of the collection box 1 facing the first suction fan 24, and further, in order to collect the plastic films attached to the first filter screen 25, a collection frame 21 is arranged at the bottom of the collection box 1, in order to pull out the collection frame 21 by an operator, a handle is arranged on the outer side wall of the collection frame 21 in the embodiment, a second filter screen 22 is arranged on the bottom wall of the collection frame 21 facing one side of the first suction fan 24, and the collection frame 21 is inclined downwards from one side close to the second filter screen 22 toward one side close to the telescopic pipeline 8.

In order to realize the extension and contraction of the telescopic pipe 8, as shown in fig. 3, the side of the collecting box 1 facing the testing jig 5 is communicated with the telescopic pipe 8, the telescopic pipe 8 comprises a first pipe 2 and a second pipe 3 in inserted fit with the first pipe 2, the peripheral wall of the first pipe 2 is provided with a plurality of limiting grooves 31, each limiting groove 31 is distributed along the axis of the first pipe 2 in sequence, a limiting component 36 is arranged in each limiting groove 31, each limiting component 36 comprises a telescopic fixture block 35 arranged in each limiting groove 31 and a telescopic spring 34 connected with the telescopic fixture block 35 fixed on the bottom wall of each limiting groove 31, the peripheral wall of the second pipe 3 is provided with a through hole 10 clamped with any limiting groove 31, so that the telescopic fixture block 35 can move smoothly in each limiting groove 31, and can be prevented from being separated from the limiting groove 31 when the telescopic fixture block 35 extends and contracts in the limiting groove 31, the through hole 10 is provided with a convex wall, the end of the telescopic latch 35 close to the telescopic spring 34 is provided with a flange 32, and the inner circle of the convex wall 33 is smaller than the outer diameter of the flange 32.

The implementation principle of the embodiment is as follows: when an operator conducts tensile test on the plastic film, the plastic film is placed in the first interlayer and the second interlayer firstly, the first suction fan 24 is started after the tensile test is completed, meanwhile, the controller 6 controls the first interlayer and the second interlayer to be loosened, the first suction fan 24 enables the tested plastic film to be adsorbed in the collecting box 1 through the telescopic pipeline 8, the air draft cover 4 is arranged to realize the gathering of wind power in the telescopic pipeline 8, the plastic film is prevented from flying away from the telescopic pipeline 8 during working, the plastic film adsorbed on the first filter screen 25 is abutted against the inner wall of the collecting box 1 by the first filter screen 25, the second suction fan 23 is started again, the plastic film which is possibly clamped into the meshes of the first filter screen 25 is extracted by the second suction fan 23, and the plastic film drops in the collecting frame 21 under the action of self gravity and the suction force of the second suction fan 23, and the collection is completed.

When collecting plastic film, operating personnel can press flexible fixture block 35, and flexible fixture block 35 extrudees expanding spring 34 downwards, and the locating part is smooth and easy to move in spacing groove 31 and makes flexible fixture block 35 joint carry out spacing in through-hole 10 bay 33 to flange 32 and prevent flexible fixture block 35 and break away from, accomplish and stretch into first pipeline 2 with second pipeline 3 in and realize contracting.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a plastic film tensile testing machine, includes supporting seat (7), supporting seat (7) one side is fixed with test jig (5) along vertical direction setting, test jig (5) one side is fixed with test fixture (9), supporting seat (7) opposite side is equipped with controller (6), its characterized in that: supporting seat (7) one side is equipped with collecting box (1), collecting box (1) just right test jig (5) one side intercommunication has flexible pipeline (8), flexible pipeline (8) are close to test jig (5) one end is fixed with air draft cover (4), collecting box (1) lateral wall is fixed with first filter screen (25), be fixed with first induced draft fan (24) on the outer wall of collecting box (1) place first filter screen (25) one side.

2. The plastic film tensile testing machine of claim 1, wherein: the first exhaust fan (24) is fixed on the outer wall of the top of the collection box (1).

3. The plastic film tensile testing machine of claim 1, wherein: a second suction fan (23) is fixed on the bottom wall of the collection box (1) which is opposite to the first suction fan (24).

4. The plastic film tensile testing machine of claim 1, wherein: the bottom of the collection box (1) is provided with a collection frame (21), and the bottom wall of the collection frame (21) opposite to one side of the first suction fan (24) is provided with a second filter screen (22).

5. The plastic film tensile testing machine of claim 4, wherein; the collecting frame (21) is arranged from one side close to the second filter screen (22) to one side close to the telescopic pipeline (8) in a downward inclined mode.

6. The plastic film tensile testing machine of claim 1, wherein: flexible pipeline (8) include first pipeline (2) and with first pipeline (2) are pegged graft complex second pipeline (3), be equipped with a plurality of spacing grooves (31) on first pipeline (2) perisporium, each spacing groove (31) are followed first pipeline (2) place axis distributes in proper order, be equipped with spacing subassembly (36) in spacing groove (31), be equipped with on second pipeline (3) perisporium with arbitrary through-hole (10) of spacing groove (31) joint.

7. The plastic film tensile testing machine of claim 6, wherein: the limiting assembly (36) comprises a telescopic clamping block (35) arranged in the limiting groove (31) and a telescopic spring (34) fixed on the bottom wall of the limiting groove (31) and connected with the telescopic clamping block (35).

8. The plastic film tensile testing machine of claim 7, wherein: be equipped with on through-hole (10) towards protruding wall (33) of first pipeline (2) inboard, flexible fixture block (35) are close to telescopic spring (34) one end is equipped with flange (32), protruding wall (33) inner circle is less than flange (32) outer lane diameter sets up.