CN218370829U

CN218370829U - Tension control device for longitudinal stretching of film

Info

Publication number: CN218370829U
Application number: CN202222495516.0U
Authority: CN
Inventors: 钱昌旺; 李兵; 余展望
Original assignee: Guangdong Mingfeng New Material Technology Co ltd
Current assignee: Guangdong Mingfeng New Material Technology Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2023-01-24
Anticipated expiration: 2032-09-20

Abstract

The utility model relates to a tension control technical field specifically discloses a film longitudinal stretching's tension control device, including installing at the inside bottom plate of external film stretching equipment, the both ends of bottom plate upper surface are installed and are placed a section of thick bamboo, and the lower extreme of placing a section of thick bamboo inside is equipped with the pressure spring, and the upper end of placing a section of thick bamboo inside is equipped with the lifter. The utility model discloses the inside water purification volume of well electric push rod control storage cylinder just can realize carrying out the effect controlled to film tension, and pressure spring and electric push rod etc. in this scheme are common and the price compares comparatively cheap part with tension controller on the market to make the device when using, its use cost is lower, be favorable to small-size film manufacture factory to use, it is expensive to have solved current tension controller promptly, the defect that small-size film manufacture factory or small batch volume film stretch use is not adapted.

Description

Tension control device for longitudinal stretching of film

Technical Field

The utility model relates to a tension control technical field especially relates to a film longitudinal stretching's tension control device.

Background

The film tension refers to the force of the plastic film being tensioned during the drawing and rolling processes. Tension control is the most widely applied technology in the production and processing processes of films, such as casting production, biaxial stretching, longitudinal stretching, slitting and rewinding of films, film coating and compounding and the like, and relates to the tension control problem.

At present, common tension control methods generally comprise a magnetic powder brake, a floating roll type tension control placement, a tension sensor measurement and control mode and the like, however, when the tension control placement is used, an electronic element with a relatively expensive tension sensor equivalent lattice is generally needed, so that the tension control cost is high, the tension control method is only suitable for large-scale batch type film production, and for small-scale small-batch film production of small-sized manufacturers, the adoption of the tension control mode can cause unnecessary increase of the film production cost; therefore, in order to solve the above technical problems, we propose a tension control device for longitudinal stretching of a film.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a tension control device for longitudinal stretching of a film.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a film longitudinal stretching's tension control device, is including installing the bottom plate in external film drawing equipment inside, the both ends of bottom plate upper surface are installed and are placed a section of thick bamboo, the lower extreme of placing a section of thick bamboo inside is equipped with the pressure spring, and the upper end of placing a section of thick bamboo inside is equipped with the lifter, the upper end of lifter extends to the outside of placing a section of thick bamboo and is connected with the roller jointly, the inboard correspondence of lifter is crossed the roller and is installed a storage section of thick bamboo, the one end of a storage section of thick bamboo is connected with the water injection subassembly, the side of one of them lifter is fixed with the touching piece, and the lower both sides of going up of touching piece are equipped with first touch switch and second touch switch respectively.

Preferably, the two ends of the storage cylinder are fixed on the inner sides of the adjacent lifting rods through fixing blocks, and the upper side of the storage cylinder is provided with an elastic expansion shell.

Preferably, the water injection subassembly includes conveyer pipe, water storage box, piston board and electric push rod, and the water storage box is installed at the middle part of bottom plate upper surface, and the piston board is established in the inside of water storage box, and the electric push rod is established at the upside of water storage box and the output is connected with the piston board, and the interior bottom surface of water storage box is connected with a storage section of thick bamboo through the conveyer pipe.

Preferably, guide cylinders are symmetrically fixed on the upper side surface of the water storage box, guide rods are slidably inserted into the guide cylinders, the lower ends of the guide rods are fixed on the upper surface of the piston plate, and the inner sides of the guide cylinders are connected with the fixed ends of the electric push rods through linkage plates.

Preferably, the rear sides of the first touch switch and the second touch switch are jointly fixed with an installation frame, and the lower ends of the installation frames are fixed on the side surfaces of the adjacent lifting rods.

Preferably, the lower end of the placing cylinder is provided with an installation bulge, the installation bulge is connected with the bottom plate through a screw, and the lower end of the placing cylinder is provided with a replacing opening corresponding to the pressure spring.

Preferably, the lower end of the lifting rod is provided with a limiting bulge, and the outer annular surface of the limiting bulge is attached to the inner annular surface of the placing cylinder.

The utility model provides a pair of film longitudinal stretching's tension control device, beneficial effect lies in:

1: the utility model discloses the inside packing of well water storage box and storage cylinder has the water purification, and then through electric putter, piston plate and conveyer pipe are to the inside water purification of storage cylinder suction, and the lifter upwards raises under the effect of pressure spring this moment, and make the lifter apply an ascending effort to the film through the roller, the tension that this effort film received for this time, therefore in this scheme, just can realize the effect of controlling film tension through the inside water purification volume of electric putter control storage cylinder, and pressure spring and electric putter etc. in this scheme are common and the price compares comparatively cheap part with tension controller on the market, thereby make the device when the use, its use cost is lower, be favorable to small-size film manufacture factory to use, current tension controller is expensive promptly, the defect that can't adapt to small-size film manufacture factory or small batch volume film manufacture factory stretch use.

2: the utility model discloses well two touch switch can adjust the operating condition of electric push rod, promptly when touching piece touching second touch switch, the output of second touch switch control electric push rod is to needs removal down, thereby pour into the inside water purification that carries on of storage cylinder, and when touching piece and first touch switch contact, the output rebound of first touch switch control electric push rod, thereby suction the inside water purification of storage cylinder, from this setting of two touch switch of accessible, make the device can be automatic when using carry out tension by little big to big, and by the circulation of big to little, thereby can save the tensile phenomenon of personnel manual control.

Drawings

Fig. 1 is an isometric view of a tension control device for longitudinal stretching of a film according to the present invention;

fig. 2 is a right side view of a tension control device for longitudinal stretching of a film according to the present invention;

fig. 3 is a schematic structural diagram of a tension control device for longitudinal stretching of a film according to the present invention;

fig. 4 is an enlarged schematic view of a tension control device for longitudinal stretching of a film according to the present invention at a position a;

fig. 5 is a schematic diagram showing the cooperation between the lifting rod and the pressure spring of the tension control device for longitudinal stretching of the film.

In the figure: 1. a base plate; 2. placing a cylinder; 3. compressing the spring; 4. a lifting rod; 5. rolling; 6. a storage cylinder; 7. a delivery pipe; 8. a touch block; 9. a first touch switch; 10. a second touch switch; 11. an expansion shell; 12. a water storage box; 13. a piston plate; 14. an electric push rod; 15. a guide bar; 16. and (7) mounting frames.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-5, a film longitudinal tension's tension control device, including installing at the inside bottom plate 1 of external film drawing equipment, the both ends of bottom plate 1 upper surface are installed and are placed a section of thick bamboo 2, the lower extreme of placing a section of thick bamboo 2 inside is equipped with pressure spring 3, and the upper end of placing a section of thick bamboo 2 inside is equipped with lifter 4, the upper end of lifter 4 extends to the outside of placing a section of thick bamboo 2 and is connected with roller 5 jointly, the inboard of lifter 4 corresponds roller 5 and installs a storage section of thick bamboo 6, the one end of storage section of thick bamboo 6 is connected with the water injection subassembly, the side of one of them lifter 4 is fixed with touches piece 8, and the lower upper both sides of touching piece 8 are equipped with first touch switch 9 and second touch switch 10 respectively.

As a technical optimization scheme of the utility model, two ends of the storage cylinder 6 are fixed at the inner sides of the adjacent lifting rods 4 through fixing blocks, and the upper side of the storage cylinder 6 is provided with an elastic expansion shell 11; the setting of expansion shell 11 can be when the inside net water injection of storage cylinder 6, and the air to the inside of storage cylinder 6 is saved.

As a technical optimization scheme of the utility model, the water injection component comprises a conveying pipe 7, a water storage box 12, a piston plate 13 and an electric push rod 14, the water storage box 12 is arranged in the middle of the upper surface of the bottom plate 1, the piston plate 13 is arranged in the water storage box 12, the electric push rod 14 is arranged at the upper side of the water storage box 12, the output end of the electric push rod is connected with the piston plate 13, and the inner bottom surface of the water storage box 12 is connected with the storage cylinder 6 through the conveying pipe 7; the setting of water injection subassembly is favorable to controlling the inside water purification volume of a storage section of thick bamboo 6.

As a technical optimization scheme of the utility model, guide cylinders are symmetrically fixed on the upper surface of the water storage box 12, guide rods 15 are slidably inserted into the guide cylinders, the lower ends of the guide rods 15 are fixed on the upper surface of the piston plate 13, and the inner sides of the guide cylinders are connected with the fixed ends of the electric push rods 14 through linkage plates; the provision of the guide rod 15 improves the stability of the piston plate 13.

As a technical optimization scheme of the present invention, an installation frame 16 is jointly fixed to the rear sides of the first touch switch 9 and the second touch switch 10, and the lower end of the installation frame 16 is fixed to the side surface of the adjacent lifting rod 4; the installation frame 16 is used for fixing the first touch switch 9 and the second touch switch 10.

As a technical optimization scheme of the utility model, the lower end of the placing cylinder 2 is provided with an installation bulge, the installation bulge is connected with the bottom plate 1 through a screw, and the lower end of the placing cylinder 2 is provided with a replacing opening corresponding to the pressure spring 3; the screw is arranged, so that the placing barrel 2 can be conveniently detached.

As a technical optimization scheme of the utility model, the lower end of the lifting rod 4 is provided with a limiting bulge, and the outer ring surface of the limiting bulge is attached to the inner ring surface of the placing cylinder 2; the stability of the lifting rod 4 can be improved due to the arrangement of the limiting bulges.

The use principle and the advantages are as follows: the utility model discloses in the use, the inside packing of water storage box 12 and storage cylinder 6 has the water purification, and then external film is when stretching, it contacts with the lower surface of external film through the upside of the outer anchor ring of roller 5, then drive piston plate 13 rebound through electric push rod 14's output this moment, and piston plate 13 pumps through conveyer pipe 7 to the inside water purification of storage cylinder 6 at the in-process of rebound, along with the inside water purification of storage cylinder 6 is pumped makes storage cylinder 6 descend with the gravity that applies to lifter 4, lifter 4 rises upwards under the effect of pressure spring 3 this moment promptly, and make lifter 4 exert an ascending effort to the film through roller 5, the tension that the film received when this effort, from this scheme, in this scheme, the inside water purification volume of control cylinder 6 just can realize the effect of controlling film tension through electric push rod 14, pressure spring 3 and electric push rod 14 etc. in this scheme are common and the comparatively cheap part on the market and compare with the tension controller, thereby make the device when using, it is lower, be favorable to use the small-size film production factory, the defect of the small-size tensile producer is solved promptly, the tensile defect of the volume control.

Further in this scheme use, when the diameter of the film roll wound in the external stretching device increases, the tension of the film is changed synchronously along with the change of the winding diameter, that is, along with the expansion of the diameter of the film roll, the tension of the film roll decreases, so that the output end of the electric push rod 14 can be controlled at a constant speed, that is, the output end of the electric push rod 14 drives the piston plate 13 to move upwards at a constant speed, and along with the movement of the piston plate 13, the roller 5 of the electric push rod continuously moves upwards under the action of the pressure spring 3, so that the acting force applied to the film can be increased, that is, the film is ensured to be always subjected to a stable tension.

Meanwhile, when the film roll in the film stretching device is rolled to a preset amount and needs to be replaced, the piston plate 13 can be driven by the electric push rod 14 to move downwards, along with the movement of the piston plate 13, the purified water in the water storage box 12 is extruded into the storage cylinder 6 through the delivery pipe 7, and along with the increase of the purified water amount in the storage cylinder 6, the gravity applied to the compression spring 3 by the lifting rod 4 is increased, namely the lifting rod 4 drives the passing roller 5 to move downwards, the position of the passing roller 5 is at the initial position, so that the tension applied to the film when the film is rolled again is in a preset range, and after the film is rolled again, the purified water in the storage cylinder 6 can be continuously sucked through the electric push rod 14, and the tension applied to the film by the passing roller 5 is adjusted.

Furthermore, the second touch switch 10 and the first touch switch 9 are respectively arranged on the upper side and the lower side of the touch block 8, and the two touch switches can adjust the working state of the electric push rod 14, namely when the touch block 8 touches the second touch switch 10, the second touch switch 10 controls the output end of the electric push rod 14 to move downwards, so that purified water is injected into the storage cylinder 6, and when the touch block 8 contacts the first touch switch 9, the first touch switch 9 controls the output end of the electric push rod 14 to move upwards, so that purified water in the storage cylinder 6 is pumped, and therefore the device can automatically perform circulation of tension from small to large and from large to small when in use through the arrangement of the two touch switches, so that the phenomenon that a person manually controls the tension can be avoided.

The above, 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. The utility model provides a film longitudinal stretching's tension control device, including installing bottom plate (1) at the inside of external film stretching equipment, a serial communication port, the both ends of bottom plate (1) upper surface are installed and are placed a section of thick bamboo (2), the lower extreme of placing a section of thick bamboo (2) inside is equipped with pressure spring (3), and the upper end of placing a section of thick bamboo (2) inside is equipped with lifter (4), the upper end of lifter (4) extends to the outside of placing a section of thick bamboo (2) and is connected with roller (5) jointly, the inboard of lifter (4) corresponds roller (5) and installs storage section of thick bamboo (6), the one end of storage section of thick bamboo (6) is connected with the water injection subassembly, the side of one of them lifter (4) is fixed with touching piece (8), and the lower last both sides of touching piece (8) are equipped with first touch switch (9) and second touch switch (10) respectively.

2. A tension control device for longitudinal stretching of film according to claim 1, wherein both ends of the storage cylinder (6) are fixed at the inner side of the adjacent lifting rod (4) by fixing blocks, and the upper side of the storage cylinder (6) is provided with an elastic expansion shell (11).

3. The tension control device for longitudinal stretching of a film as claimed in claim 1, wherein the water injection assembly comprises a delivery pipe (7), a water storage box (12), a piston plate (13) and an electric push rod (14), the water storage box (12) is installed in the middle of the upper surface of the base plate (1), the piston plate (13) is arranged inside the water storage box (12), the electric push rod (14) is arranged on the upper side of the water storage box (12) and the output end of the electric push rod is connected with the piston plate (13), and the inner bottom surface of the water storage box (12) is connected with the storage cylinder (6) through the delivery pipe (7).

4. The tension control device for the longitudinal stretching of the film as claimed in claim 3, wherein the upper surface of the water storage box (12) is symmetrically fixed with guide cylinders, the guide rods (15) are slidably inserted into the guide cylinders, the lower ends of the guide rods (15) are fixed on the upper surface of the piston plate (13), and the inner sides of the guide cylinders are connected with the fixed ends of the electric push rods (14) through the linkage plate.

5. A tension control device for longitudinal stretching of film as claimed in claim 1, wherein the rear sides of the first touch switch (9) and the second touch switch (10) are jointly fixed with a mounting bracket (16), and the lower end of the mounting bracket (16) is fixed on the side of the adjacent lifting rod (4).

6. The tension control device for the longitudinal stretching of a film as claimed in claim 1, wherein the lower end of the placing cylinder (2) is provided with a mounting protrusion, the mounting protrusion is connected with the bottom plate (1) through a screw, and the lower end of the placing cylinder (2) is provided with a replacing opening corresponding to the pressure spring (3).

7. A tension control device for longitudinal stretching of film as claimed in claim 1, wherein the lower end of the lifting rod (4) is provided with a limit protrusion, and the outer annular surface of the limit protrusion is attached to the inner annular surface of the placing cylinder (2).