CN210893939U

CN210893939U - Tester for detecting tensile force of plastic film

Info

Publication number: CN210893939U
Application number: CN201921297855.XU
Authority: CN
Inventors: 王春波; 王佳; 宋萍
Original assignee: Yantai Meifeng Plastic Products Co ltd
Current assignee: Yantai Meifeng Plastic Products Co ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-06-30
Anticipated expiration: 2029-08-12

Abstract

The utility model relates to a plastic film field specifically is a be used for detecting tensile tester of plastic film, the inside bottom symmetrical welding of equipment main part has a set of stopper, the bottom of equipment main part just is located and has seted up the spout between two stoppers, sliding connection has splint in the spout, the inside top of equipment main part is equipped with the urceolus, and has seted up the through-hole on the urceolus, and the outer wall of urceolus is close to through-hole department sculpture and has the scale, be provided with the binding clasp in the urceolus, upper end one side of equipment main part is equipped with the carousel, and welds on the carousel and have the crank, the binding clasp includes the fixed block, the lower extreme both sides round. This application equipment is small and exquisite, easy operation, and low in manufacturing cost is applicable to small-size enterprise and scientific experiment, and equipment is through stretching the plastic film, observes tensile distance to calculate the tensile strength of film.

Description

Tester for detecting tensile force of plastic film

Technical Field

The utility model relates to a plastic film field specifically is a be used for detecting tensile tester of plastic film.

Background

The plastic bag is widely used in markets and booths as a daily necessity, the plastic film is used as a raw material in the process of manufacturing the plastic bag, the plastic film is wound on a film cylinder for processing, and the tensile force of the plastic film needs to be guessed in the processing process so as to determine the bearing capacity of the finished plastic bag.

The existing plastic film tension detection is large in size, complex in equipment escape, too high in cost, not suitable for small enterprises to use, and complex in equipment operation. Accordingly, those skilled in the art have provided a tester for testing the tensile force of a plastic film to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be arranged in detecting tensile tester of plastic film to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a be used for detecting tensile tester of plastic film, includes the equipment main part, the inside bottom symmetrical welding of equipment main part has a set of stopper, the spout has been seted up to the bottom of equipment main part and be located between two stoppers, sliding connection has splint in the spout, the inside top of equipment main part is equipped with the urceolus, and has seted up the through-hole on the urceolus, and the outer wall of urceolus is close to through-hole department sculpture and has the scale, be provided with the binding clasp in the urceolus, upper end one side of equipment main part is equipped with the carousel, and the welding.

As a further aspect of the present invention: the clamping device comprises a fixed block, connecting rods are connected to two sides of the lower end of the fixed block through pins, clamping jaws are connected to the tail ends of the connecting rods through pins, pointers are arranged at the tops of the fixed blocks, and the pointers are movably clamped outside the through holes.

As a further aspect of the present invention: and the top of the clamping jaw is connected with a push-pull rod between the two connecting rods through a pin, the top of the push-pull rod is connected with an air cylinder through a pin, and the air cylinder is arranged in the fixed block.

As a further aspect of the present invention: the outer barrel is internally provided with a screw rod and a limiting rod which are movably connected to the top of the clamping device.

As a further aspect of the present invention: the upper end of the screw rod is sleeved with a second bevel gear, one side of the second bevel gear is meshed with a first bevel gear, and the circle center of the first bevel gear is connected with the turntable.

As a further aspect of the present invention: the outside center department of splint is connected with the bolt through the bearing, and the bolt runs through the center department of stopper.

As a further aspect of the present invention: the vertical bisector of the clamping device and the bisector of the distance between the two clamping plates are on the same straight line.

Compared with the prior art, the beneficial effects of the utility model are that: this application equipment is small and exquisite, and the operation is thus simple, low in manufacturing cost, be applicable to small-size enterprise and scientific experiment, equipment is through stretching the plastic film, observe tensile distance, thereby calculate the tensile strength of film, thereby obtain the pulling force value of film, at first, fix the film, it is tight with film one end clamp through a fixed clip, and the other end of film is fixed on the clip of a activity, it rotates to drive the carousel through the crank, thereby make a bevel gear of being connected with the carousel rotate, it rotates to drive another bevel gear through this bevel gear, thereby realize the screw rod and rotate, the movable clip will rise when rotating, thereby stretch the film, and it has a pointer to follow the motion to have on it when the activity clip rises, one side of pointer is equipped with the scale, from the power that shows the promotion, and then reach the pulling force of film.

Drawings

FIG. 1 is a schematic structural diagram of a tester for detecting tension of a plastic film;

FIG. 2 is a schematic view of the internal structure of an outer cylinder in a tester for detecting the tension of a plastic film;

FIG. 3 is a schematic diagram of the movement structure of a clamper in a tester for detecting the tension of a plastic film;

fig. 4 is a schematic diagram of a clamper structure in a tester for detecting the tension of a plastic film.

In the figure: 1. an apparatus main body; 2. a turntable; 3. a crank; 4. a pointer; 5. a splint; 6. a limiting block; 7. a chute; 8. A bolt; 9. a clamper; 10. a through hole; 11. a graduated scale; 12. an outer cylinder; 13. a screw; 14. a limiting rod; 15. a first bevel gear; 16. a second bevel gear; 17. a fixed block; 18. a connecting rod; 19. a clamping jaw; 20. a cylinder; 21. a push-pull rod.

Detailed Description

Please refer to fig. 1-4, in an embodiment of the present invention, a tester for detecting tension of plastic film, including an apparatus main body 1, a set of stoppers 6 are symmetrically welded at the bottom end of the apparatus main body 1, a sliding groove 7 is provided between the two stoppers 6 at the bottom end of the apparatus main body 1, a clamping plate 5 is slidably connected in the sliding groove 7, an outer cylinder 12 is provided at the top end of the apparatus main body 1, and a through hole 10 is provided on the outer cylinder 12, a graduated scale 11 is etched at a position close to the through hole 10 at the outer wall of the outer cylinder 12, a clamp 9 is provided in the outer cylinder 12, a turntable 2 is provided at one side of the upper end of the apparatus main body.

In fig. 4, the clamping device 9 includes a fixed block 17, two sides of the lower end of the fixed block 17 are pinned with connecting rods 18, the tail ends of the connecting rods 18 are pinned with clamping jaws 19, the top of the fixed block 17 is provided with a pointer 4, the pointer 4 is movably clamped outside the through hole 10, the fixed block 17 is mainly used for connecting the screw 13 and the limiting rod 14 and is also used as a containing part of an air cylinder 20, the connecting rods 18 are used as a fixing part of the connecting rods 18, the connecting rods 18 are used for connecting the clamping jaws 19, the pointer 4 is used for displaying the movement height of the clamping device 9, and the value of the graduated scale 11 is indicated through one end;

in fig. 4, a push-pull rod 21 is connected to the top of the clamping jaw 19 and between the two connecting rods 18 through a pin, a cylinder 20 is connected to the top of the push-pull rod 21 through a pin, the cylinder 20 is installed inside the fixed block 17, and the push-pull rod 21 is used for driving the two clamping jaws 19 to open and close, and pushing and lifting are completed through the cylinder 20;

in fig. 3, a screw 13 and a limiting rod 14 are arranged inside an outer cylinder 12, the screw 13 and the limiting rod 14 are both movably connected to the top of a clamp 9, the screw 13 rotates to drive the clamp 9 to ascend or descend, when the clamp 9 ascends, a plastic film is pulled to complete a stretching experiment of the plastic film, and the limiting rod 14 is used for restraining the clamp 9 and preventing the clamp 9 from rotating under the driving of the screw 13;

in fig. 2, the upper end of the screw 13 is sleeved with a second bevel gear 16, one side of the second bevel gear 16 is engaged with a first bevel gear 15, the center of the first bevel gear 15 is connected with the turntable 2, the second bevel gear 16 rotates to realize the rotation of the screw 13, the second bevel gear 16 rotates through the first bevel gear 15, and the first bevel gear 15 rotates by swinging the turntable 2 through the crank 3;

in fig. 2, a bolt 8 is connected to the center of the outer side of the clamping plate 5 through a bearing, the bolt 8 penetrates through the center of the limiting block 6, the two clamping plates 5 are pushed to move by rotating the bolt 8, the bolt 8 moves forwards when rotating, and the clamping plate 5 cannot rotate because the bolt 8 and the clamping plate 5 are connected through the bearing, and the two clamping plates 5 move relative to each other to clamp the plastic film because the clamping plate 5 is movably connected in the sliding groove 7;

in fig. 2, the vertical bisector of the clamp 9 and the bisector of the distance between the two clamping plates 5 are on the same straight line, and the design ensures that the plastic film is always kept in a straight line state when being stretched, so that other factors are prevented from influencing the experimental result.

The utility model discloses a theory of operation is: the two clamping plates 5 are pushed to move by rotating the bolt 8, the bolt 8 moves forwards when rotating, the bolt 8 and the clamping plates 5 are connected through the bearing, so the clamping plates 5 cannot rotate, the clamping plates 5 are movably connected in the sliding groove 7, so the two clamping plates 5 move relatively to clamp the plastic film, the other end of the film drives the two push-pull rods 21 to ascend through the pulling of the air cylinder 20 (the model is CDU10-5), the two clamping jaws 19 are pulled to move relatively when the push-pull rods 21 ascend, so that the two clamping jaws 19 are jointed, the plastic film is further fixed on the clamping device 9, the vertical bisector of the clamping device 9 and the bisector of the distance between the two clamping plates 5 are on the same straight line, the plastic film is ensured to be kept in a straight line state all the time when being stretched, the experimental result is prevented from being influenced by other factors, the crank 3 drives the turntable 2 to rotate, thereby rotating a first bevel gear 15 connected with the rotating disc 2, driving a second bevel gear 16 to rotate through the first bevel gear 15, realizing the rotation of the screw 13 when the second bevel gear 16 rotates, lifting the clamp 9 when the screw 13 rotates, thereby stretching the film, a limit rod 14 is arranged on one side of the screw 13, the clamp 9 is movably sleeved on the limit rod 14, the limit rod 14 is used for restraining the clamp 9 to prevent the clamp from rotating under the driving of the screw 13, and when the clamper 9 ascends, a pointer 4 moves along the clamper 9, the pointer 4 is used for displaying the moving height of the clamper 9 and is realized by indicating the value of the graduated scale 11 through one end of the pointer 4, and then the tensile force of the film is obtained, and the equipment stretches the plastic film to observe the stretching distance, so that the tensile strength of the film is calculated, and the tensile force value of the film is obtained.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A tester for detecting tension of a plastic film, comprising an apparatus main body (1), characterized in that: the inside bottom symmetrical welding of equipment main part (1) has a set of stopper (6), spout (7) have been seted up to the bottom of equipment main part (1) and be located between two stopper (6), sliding connection has splint (5) in spout (7), the inside top of equipment main part (1) is equipped with urceolus (12), and has seted up through-hole (10) on urceolus (12), and the outer wall of urceolus (12) is close to through-hole (10) department sculpture and has scale (11), be provided with binding clasp (9) in urceolus (12), the upper end one side of equipment main part (1) is equipped with carousel (2), and the welding has crank (3) on carousel (2).

2. The tester for detecting the tensile force of the plastic film according to claim 1, wherein the clamp (9) comprises a fixed block (17), connecting rods (18) are connected to two sides of the lower end of the fixed block (17) in a pin mode, clamping jaws (19) are connected to the tail ends of the connecting rods (18) in a pin mode, pointers (4) are arranged on the tops of the fixed block (17), and the pointers (4) are movably clamped outside the through holes (10).

3. Tester for detecting the tensile force of plastic films according to claim 2, characterized in that a push-pull rod (21) is pinned to the top of the clamping jaw (19) between the two connecting rods (18), a cylinder (20) is pinned to the top of the push-pull rod (21), and the cylinder (20) is mounted inside the fixed block (17).

4. The tester for detecting the tensile force of the plastic film according to claim 1, wherein a screw (13) and a limiting rod (14) are arranged inside the outer cylinder (12), and the screw (13) and the limiting rod (14) are movably connected to the top of the clamp (9).

5. The tester for detecting the tension of the plastic film according to claim 4, wherein a second bevel gear (16) is sleeved at the upper end of the screw (13), a first bevel gear (15) is meshed at one side of the second bevel gear (16), and the center of the first bevel gear (15) is connected with the turntable (2).

6. The tester for detecting the tensile force of the plastic film according to claim 1, wherein a bolt (8) is connected to the center of the outer side of the clamping plate (5) through a bearing, and the bolt (8) penetrates through the center of the limiting block (6).

7. Tester for testing the tensile force of plastic films according to claim 1, characterized in that the vertical bisector of the gripper (9) and the bisector of the distance between the two clamping plates (5) are on the same line.