CN212171300U

CN212171300U - High strength PET film stretching device

Info

Publication number: CN212171300U
Application number: CN202020467581.0U
Authority: CN
Inventors: 王小辉
Original assignee: Shenzhen Zhongyou Optical Technology Co ltd
Current assignee: Shenzhen Zhongyou Optical Technology Co ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-12-18
Anticipated expiration: 2030-04-02

Abstract

The utility model discloses a high strength PET film stretching device, the on-line screen storage device comprises a base, the one end fixed mounting at base top has the fixed station, one side fixed mounting that the base was kept away from to the fixed station has the backup pad, the inboard fixed connection of backup pad has smooth rod, the one end that the fixed station was kept away from at the base top is provided with the mobile station, mobile station sliding connection is in the top of base, the one end that the fixed station was kept away from at the base top is provided with the side extension board, side extension board fixed mounting is in the top of base, the inside of side extension board is provided with the threaded rod, the one end of threaded rod runs through the side extension board to with side extension. The utility model discloses a set up the spring at the top of U type frame, and then when continuing to rotate adjusting screw, the pressure strip can carry out inseparable pressfitting to the film under the elasticity promotion of spring, avoids the pressfitting dynamics too big, has realized that the effective buffer protection who compresses tightly the film has improved the convenience to the film centre gripping.

Description

High strength PET film stretching device

Technical Field

The utility model relates to a PET film detects technical field, concretely relates to high strength PET film stretching device.

Background

The PET film is a packaging film with relatively comprehensive performance, has good transparency, luster, good air tightness and aroma retention, excellent mechanical performance, the toughness of the PET film is the best of all thermoplastic plastics, and the tensile strength and the impact strength of the PET film are much higher than those of common films, and in the production of the PET film, the produced PET film needs to be subjected to stretching detection to ensure the production quality of products;

the prior art has the following defects: among the current stretching device, the fixture of PET film lacks the buffer protection to when pressing from both sides tight to the PET film, unable good control pressing force degree leads to the dynamics of compressing tightly to the film too big, thereby when tensile detection, the tight department of clamp can cause great stress concentration and fracture in advance, finally influences actual detection precision, has certain limitation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high strength PET film stretching device is through the top installation U type frame at the pressure strip to set up the spring at the top of U type frame, when rotating adjusting screw, the pressure strip can carry out inseparable pressfitting to the film under the elasticity promotion of spring, avoids the pressfitting dynamics too big, with the above-mentioned weak point in the solution technology.

In order to achieve the above object, the present invention provides the following technical solutions: a high-strength PET film stretching device comprises a base, wherein a fixed table is fixedly installed at one end of the top of the base, a supporting plate is fixedly installed at one side, away from the base, of the fixed table, a smooth rod is fixedly connected to the inner side of the supporting plate, a moving table is arranged at one end, away from the fixed table, of the top of the base, a side supporting plate is arranged at one end, away from the fixed table, of the top of the base, the side supporting plate is fixedly installed at the top of the base, a threaded rod is arranged inside the side supporting plate, one end of the threaded rod penetrates through the side supporting plate and is in threaded connection with the side supporting plate, one end, close to the moving table, of the threaded rod is rotatably connected with the moving table, film pressing assemblies are arranged at the tops of the moving table and the fixed table, each film pressing assembly comprises an upper frame, and the two upper, the inboard of roof-rack is provided with the pressure strip, pressure strip sliding connection is in the inboard of roof-rack, the middle part fixed mounting on roof-rack top has U type frame, the top of U type frame is provided with adjusting screw, adjusting screw and U type frame sliding connection, the roof-rack is run through on adjusting screw's top to with roof-rack threaded connection, adjusting screw's middle part and the equal fixedly connected with bulge loop in bottom, be provided with the spring between the bulge loop at U type frame middle part and the U type frame, adjusting screw's outside is located to the spring housing.

Preferably, the top end of one side of the base, far away from the fixed station, of the fixed station is fixedly provided with a roller frame, and the inner side, far away from one end of the fixed station, of the roller frame is rotatably connected with a shaft roller.

Preferably, a guide rod is arranged at the bottom between the side support plate and the fixed table, two ends of the guide rod are respectively and fixedly connected with the fixed table and the side support plate, and the movable table is connected to the outer part of the guide rod in a sliding manner.

Preferably, the number of the guide rods is two, and the two guide rods are respectively located at two ends of the mobile station.

Preferably, the inner walls of the two sides of the top frame are fixedly provided with convex rails, the two ends of the pressing plate are provided with clamping grooves, and the convex rails are connected inside the clamping grooves in a sliding mode.

Preferably, the adjusting screw rod is fixedly provided with a knob at one end far away from the pressing plate and at one end far away from the mobile platform.

Preferably, rubber pressure pads are arranged at the bottom of the pressure plate and the tops of the fixed table and the movable table.

In the technical scheme, the utility model provides a technological effect and advantage:

the utility model discloses an install the roof-rack at the top of fixed station and mobile station, and at the inboard sliding connection pressure strip of roof-rack, rotate adjusting screw, can make the pressure strip descend and carry out the pressfitting to the film, and through the top installation U type frame at the pressure strip, and set up the spring at the top of U type frame, and then when continuing to rotate adjusting screw, the pressure strip can promote under the elasticity of spring, closely the pressfitting is carried out to the film, it is too big to avoid the pressfitting dynamics, the effective buffering protection that compresses tightly the film has been realized, compared with the prior art, the convenience to the film centre gripping has greatly been improved, the buffering protection of compressing tightly the department to the film has been strengthened.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

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

Fig. 2 is a top view of the present invention.

Fig. 3 is an enlarged view of a portion a of fig. 1 according to the present invention.

Fig. 4 is an enlarged view of the structure of the part B of fig. 2 according to the present invention.

Fig. 5 is an overall result schematic diagram of the pressing plate of the present invention.

Description of reference numerals:

1. a base; 2. a fixed table; 3. a support plate; 4. a smooth rod; 5. a roller frame; 6. a beam barrel; 7. a mobile station; 8. a side support plate; 9. a threaded rod; 10. a film pressing assembly; 11. a guide bar; 12. a top frame; 13. a compression plate; 14. a U-shaped frame; 15. adjusting the screw rod; 16. a convex ring; 17. a spring; 18. a raised rail; 19. a card slot; 20. a rubber pressure pad.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a high-strength PET film stretching device as shown in figures 1-5, which comprises a base 1, a fixed station 2 is fixedly arranged at one end of the top of the base 1, a supporting plate 3 is fixedly arranged at one side of the fixed station 2 far away from the base 1, a smooth rod 4 is fixedly connected at the inner side of the supporting plate 3, a movable station 7 is arranged at one end of the top of the base 1 far away from the fixed station 2, the movable station 7 is slidably connected at the top of the base 1, a side supporting plate 8 is arranged at one end of the top of the base 1 far away from the fixed station 2, the side supporting plate 8 is fixedly arranged at the top of the base 1, a threaded rod 9 is arranged inside the side supporting plate 8, one end of the threaded rod 9 penetrates through the side supporting plate 8 and is in threaded connection with the side supporting plate 8, one end of the threaded rod 9 near the movable station 7 is rotatably connected with the movable station 7, a film pressing component, the film pressing assembly 10 comprises top frames 12, the two top frames 12 are fixedly installed at the tops of the fixed station 2 and the mobile station 7 respectively, a pressing plate 13 is arranged on the inner side of each top frame 12, the pressing plate 13 is connected to the inner side of each top frame 12 in a sliding mode, a U-shaped frame 14 is fixedly installed in the middle of the top end of each top frame 12, an adjusting screw 15 is arranged at the top of each U-shaped frame 14, the adjusting screw 15 is connected with the U-shaped frame 14 in a sliding mode, the top end of each adjusting screw 15 penetrates through the corresponding top frame 12 and is in threaded connection with the corresponding top frame 12, protruding rings 16 are fixedly connected to the middle and the bottom end of each adjusting screw 15, a spring 17 is arranged between the protruding ring 16 in the middle of the corresponding U-shaped frame 14 and the corresponding U-shaped frame 14, and the spring;

further, in the above technical solution, a roller frame 5 is fixedly installed at the top end of the fixed station 2 far from the base 1, and an axle roller 6 is rotatably connected to the inner side of one end of the roller frame 5 far from the fixed station 2, so that the axle roller 6 can be used to support the film, and the film keeps the same height as the fixed station 2 and the movable station 7;

further, in the above technical solution, a guide rod 11 is disposed at the bottom between the side support plate 8 and the fixed station 2, two ends of the guide rod 11 are respectively fixedly connected with the fixed station 2 and the side support plate 8, and the mobile station 7 is slidably connected to the outside of the guide rod 11, so that the sliding of the mobile station 7 is more stable;

further, in the above technical solution, the number of the guide rods 11 is two, and the two guide rods 11 are respectively located at two ends of the mobile station 7, so as to ensure that the mobile station 7 can accurately slide without deviation;

further, in the above technical scheme, the inner walls of the two sides of the top frame 12 are both fixedly provided with the protruding rails 18, the two ends of the pressing plate 13 are both provided with the clamping grooves 19, and the protruding rails 18 are slidably connected inside the clamping grooves 19, so that the pressing plate 13 can be ensured to be accurately lifted up and down without deviation;

further, in the above technical solution, knobs are fixedly installed at one end of the adjusting screw 15 away from the pressing plate 13 and one end of the threaded rod 9 away from the mobile station 7, so that the adjusting screw 15 and the threaded rod 9 can be conveniently controlled to rotate;

further, in the above technical solution, the rubber pressure pads 20 are mounted at the bottom of the pressure plate 13 and at the top of the fixed station 2 and the mobile station 7, so that the film can be clamped by the rubber pressure pads 20, the protection of the film is further improved, and the clamping friction of the film can be increased;

the implementation mode is specifically as follows: in practical use, a PET film is wound on the outer portion of the smooth rod 4 and penetrates through the tops of the fixed table 2 and the movable table 7, the top frame 12 is installed on the tops of the fixed table 2 and the movable table 7, the pressing plate 13 is connected to the inner side of the top frame 12 in a sliding mode, the adjusting screw 15 on the top of the pressing plate 13 is rotated, the pressing plate 13 can be lowered and pressed on the film through threaded connection of the adjusting screw 15 and the top frame 12, the U-shaped frame 14 is installed on the top of the pressing plate 13, the bottom end of the adjusting screw 15 is limited by the two convex rings 16 and slides in a telescopic mode at a certain distance with the U-shaped frame 14, the spring 17 is arranged on the top of the U-shaped frame 14 and matched with the convex rings 16, the pressing plate 13 is firstly contacted with the film when the adjusting screw 15 is rotated, and then the pressing plate 13 stops moving when the adjusting screw 15 is continuously rotated, however, the pressing plate 13 is respectively matched with the top ends of the fixed table 2 and the moving table 7 under the pushing of the elastic force of the spring 17 to tightly press the film, so that effective buffering protection for pressing the film is realized, and finally, the moving table 7 can be pulled outwards by rotating the threaded rod 9 and utilizing the threaded connection of the threaded rod 9 and the side supporting plate 8 to perform a tensile test on the film.

This practical theory of operation: through rotating adjusting screw 15, can make pressure strip 13 descend and carry out the pressfitting to the film, and through the top installation U type frame 14 at pressure strip 13 to set up spring 17 at the top of U type frame 14, and then when continuing to rotate adjusting screw 15, pressure strip 13 can carry out inseparable pressfitting to the film under spring 17's elasticity promotes, avoids the pressfitting dynamics too big, has realized the effective buffer protection that compresses tightly the film.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a high strength PET film stretching device, includes base (1), its characterized in that: a fixed platform (2) is fixedly arranged at one end of the top of the base (1), a support plate (3) is fixedly arranged at one side, away from the base (1), of the fixed platform (2), a smooth rod (4) is fixedly connected to the inner side of the support plate (3), a mobile platform (7) is arranged at one end, away from the fixed platform (2), of the top of the base (1), the mobile platform (7) is connected to the top of the base (1) in a sliding manner, a side support plate (8) is arranged at one end, away from the fixed platform (2), of the top of the base (1), the side support plate (8) is fixedly arranged at the top of the base (1), a threaded rod (9) is arranged inside the side support plate (8), one end of the threaded rod (9) penetrates through the side support plate (8) and is in threaded connection with the side support plate (8), and one end, close to the mobile platform (7), of, the top of mobile station (7) and fixed station (2) all is provided with press membrane subassembly (10), press membrane subassembly (10) includes roof-rack (12), two roof-rack (12) fixed mounting respectively in the top of fixed station (2) and mobile station (7), the inboard of roof-rack (12) is provided with pressure strip (13), pressure strip (13) sliding connection is in the inboard of roof-rack (12), the middle part fixed mounting on roof-rack (12) top has U type frame (14), the top of U type frame (14) is provided with adjusting screw (15), adjusting screw (15) and U type frame (14) sliding connection, top of adjusting screw (15) runs through roof-rack (12) to with roof-rack (12) threaded connection, the middle part and the bottom of adjusting screw (15) all fixedly connected with bulge loop (16), be provided with spring (17) between bulge loop (16) and U type frame (14) at U type frame (14) middle part, the spring (17) is sleeved outside the adjusting screw rod (15).

2. The stretching apparatus for high strength PET film according to claim 1, wherein: the top end fixed mounting that base (1) one side was kept away from in fixed station (2) has roller frame (5), the inboard rotation that fixed station (2) one end was kept away from in roller frame (5) is connected with beam barrel (6).

3. The stretching apparatus for high strength PET film according to claim 1, wherein: the bottom between side extension board (8) and fixed station (2) is provided with guide arm (11), the both ends of guide arm (11) respectively with fixed station (2) and side extension board (8) fixed connection, mobile station (7) sliding connection is in the outside of guide arm (11).

4. The stretching apparatus for high strength PET film according to claim 3, wherein: the number of the guide rods (11) is two, and the two guide rods (11) are respectively positioned at two ends of the mobile station (7).

5. The stretching apparatus for high strength PET film according to claim 1, wherein: the inner walls of the two sides of the top frame (12) are fixedly provided with convex rails (18), the two ends of the pressing plate (13) are provided with clamping grooves (19), and the convex rails (18) are connected to the inside of the clamping grooves (19) in a sliding mode.

6. The stretching apparatus for high strength PET film according to claim 1, wherein: and knobs are fixedly arranged at one end of the adjusting screw rod (15) far away from the pressing plate (13) and one end of the threaded rod (9) far away from the mobile station (7).

7. The stretching apparatus for high strength PET film according to claim 1, wherein: rubber pressure pads (20) are arranged at the bottom of the pressure strip (13) and the tops of the fixed table (2) and the mobile table (7).