CN214610665U

CN214610665U - Novel film supply device capable of tensioning film

Info

Publication number: CN214610665U
Application number: CN202120799979.9U
Authority: CN
Inventors: 赵小兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-11-05
Anticipated expiration: 2031-04-19

Abstract

The utility model discloses a novel film supply device capable of tensioning a film, which comprises a film supply mechanism, a film guide mechanism and a tensioning mechanism, wherein the film supply mechanism comprises a film conveying motor and a film conveying roller, and the film conveying motor drives the film conveying roller to rotate so as to enable a film material roll to output a film material belt; lead membrane mechanism including the roller support, and a plurality of guide membrane roller, a plurality of guide membrane roller swivelling joint are in the roller support, straining device is including pull rod displacement sensor, the tensioning roller, a slide rail, and with slide rail matched with slide, two slide rails set firmly respectively in the left and right sides of roller support, the both ends of tensioning roller respectively with two slide swivelling joint, pull rod displacement sensor is including fixed cylinder base, and slide and set up in the telescopic link of fixed cylinder base, roller support is located to fixed cylinder base, the telescopic link is connected with the one end of tensioning roller. The utility model discloses a straining device has effectively improved the condition that supplies the flagging and drooping in the film material area of membrane mechanism department output, makes the film material area be in the suitable state of tightening of elasticity constantly.

Description

Novel film supply device capable of tensioning film

Technical Field

The utility model relates to a thin film material area uses technical field, in particular to can tensioning film novel supply membrane device.

Background

The plastic film is widely used in printing industry, packaging industry and the like. In printing machines or packaging machines, the supply, conduction, drawing, etc. of the film web is achieved by providing a plurality of mechanisms with different functions. In particular, since the film tape is transported along a long path, the portion of the film roll immediately after being fed out from the film feeding mechanism is liable to sag and collapse, which affects the amount of film tape supplied from the film feeding mechanism and the amount of film drawn by the film drawing mechanism. To this end, we propose a new film supply device capable of tensioning a thin film.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a novel confession membrane device that can tensioning film.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a novel film supply device capable of tensioning a film comprises a film supply mechanism, a film guide mechanism and a tensioning mechanism, wherein the film supply mechanism comprises a film conveying motor and a film conveying roller, the film conveying roller is connected with the output end of the film conveying motor, a film material roll is arranged at the film conveying roller, and the film conveying motor drives the film conveying roller to rotate so as to enable the film material roll to output a film material belt; lead membrane mechanism including roller support and a plurality of membrane roller, it is a plurality of lead the rotation of membrane roller install in roller support, straining device including pull rod displacement sensor, tensioning roller, slide rail and with slide rail matched with slide, two the slide rail set firmly respectively in roller support's the left and right sides, two the slide slides respectively and sets up in two the slide rail, the both ends of tensioning roller respectively with two slide swivelling joint, pull rod displacement sensor including fixed cylinder base and slide set up in the telescopic link of fixed cylinder base, fixed cylinder base install in roller support, the telescopic link with the one end of tensioning roller is connected.

Further elaborating, the fixed cylinder seat is hinged with the roller bracket.

Further elaboration, the tensioning roller is including outer roller, interior roller, outer roller rotatory set up in interior roller, the both ends of interior roller respectively with control two the slide is articulated mutually.

Stated further, the telescoping rod is hinged to the inner roller shaft.

Further elaborating, the film guide roller is provided with a limiting ring used for limiting the film material belt.

The beneficial effects of the utility model reside in that: the utility model discloses a straining device has effectively improved the condition that supplies the flagging and drooping in the film material area of membrane mechanism department output, makes the film material area be in the suitable state of tightening of elasticity constantly.

Drawings

Fig. 1 is the structure schematic diagram of the utility model when the telescopic rod of the pull rod displacement sensor is in the extending state.

Fig. 2 is the schematic structural diagram of the present invention when the telescopic rod of the pull rod displacement sensor is in the retraction state.

Fig. 3 is the structure diagram of the utility model when tensioning and adjusting the thin film material belt.

Reference numerals: 10. a film supply mechanism; 11. a film conveying motor; 12. a film conveying roller; 20. a film guide mechanism; 21. a roller support; 22. a film guide roller; 221. a limiting ring; 30. a tensioning mechanism; 31. a pull rod displacement sensor; 311. fixing the cylinder seat; 312. a telescopic rod; 32. a tension roller; 321. an outer roller; 322. an inner roll shaft; 33. a slide rail; 34. a slide base; 40. a film material roll; 401. a film tape.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 3, a novel film supply device capable of tensioning a film includes a film supply mechanism 10, a film guide mechanism 20, and a tensioning mechanism 30, wherein the film supply mechanism 10 includes a film conveying motor 11 and a film conveying roller 12, the film conveying roller 12 is connected to an output end of the film conveying motor 11, as shown in fig. 1 and 3, a film material roll 40 is installed at the film conveying roller 12, and the film conveying motor 11 drives the film conveying roller 12 to rotate, so that the film material roll 40 outputs a film material belt 401; the film guiding mechanism 20 includes a roller support 21 and a plurality of film guiding rollers 22, the plurality of film guiding rollers 22 are rotatably mounted on the roller support 21, as shown in fig. 2, the film guiding rollers 22 are transversely arranged on the roller support 21, the tensioning mechanism 30 includes a pull rod displacement sensor 31, a tensioning roller 32, slide rails 33, and slide seats 34 matched with the slide rails 33, the two slide rails 33 are respectively fixed on the left and right sides of the roller support 21, the two slide seats 34 are respectively slidably mounted on the two slide rails 33, the slide seats 34 can slide along the slide rails 33 to move up and down, two ends of the tensioning roller 32 are respectively rotatably connected with the two slide seats 34, the pull rod displacement sensor 31 includes a fixed cylinder seat 311 and an expansion link 312 slidably mounted on the fixed cylinder seat 311, the fixed cylinder seat 311 is mounted on the roller support 21, and the expansion link 312 is connected with one end of the tensioning roller 32.

Referring to fig. 1, the fixed drum seat 311 is hinged to the drum support 21. The tension roller 32 comprises an outer roller 321 and an inner roller 322, the outer roller 321 is rotatably arranged on the inner roller 322, and two ends of the inner roller 322 are respectively hinged with the left sliding base 34 and the right sliding base 34. The telescopic rod 312 is hinged to the inner roller 322.

Referring to fig. 2, a limiting ring 221 for limiting the position of the film strip 401 is disposed at the film guide roller 22. The film material belt 401 is conveyed along the roller surface of the film guide roller 22 without deviation under the limiting action of the left and right limiting rings 221.

Referring to fig. 1 to 3, the film supply mechanism 10 drives the film roll 40 to rotate, and the film strip 401 output from the film roll 40 is conveyed along each film guide roller 22 of the film guide mechanism 20, and the portion of the film roll 40 just output from the film supply mechanism 10 is prone to sag due to the long conveying path of the film strip 401. As shown in fig. 1 and fig. 3, the tensioning roller 32 of the tensioning mechanism 30 slides down along the slide rail 33 under the action of gravity, so as to press and tension the film material belt 401, thereby improving the sagging and loosening of the film material belt 401 output from the film feeding mechanism 10. As shown in fig. 3, when the tensioning roller 32 slides down to press and tension the film strip 401, the telescopic rod 312 of the rod displacement sensor 31 extends from the fixed cylinder seat 311. The film conveying motor 11 of the film supplying mechanism 10 adjusts the rotating speed according to the electric signal provided by the pull rod displacement sensor 31, and further adjusts the supply amount of the film material belt 401 of the film material roll 40 at the film conveying roller 12, so that the film material belt 401 is in a tightening state with proper tightness at any moment;

when the tension roller 32 slides down due to the looseness of the film material belt 401, the film conveying motor 11 of the film supply mechanism 10 reduces the rotating speed according to the electric signal provided by the pull rod displacement sensor 31, and the supply amount of the film material belt 401 of the film material roll 40 at the position of the film conveying roller 12 is reduced; when the film material belt 401 is tightened to drive the tension roller 32 to move upwards, the film conveying motor 11 of the film supplying mechanism 10 increases the rotating speed according to the electrical signal provided by the pull rod displacement sensor 31, and the supply amount of the film material belt 401 of the film material roll 40 at the film conveying roller 12 is increased.

In the description of the present invention, it is to 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 the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being 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.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. A novel film supply device capable of tensioning a film comprises a film supply mechanism (10), a film guide mechanism (20) and a tensioning mechanism (30), wherein the film supply mechanism (10) comprises a film conveying motor (11) and a film conveying roller (12), the film conveying roller (12) is connected with the output end of the film conveying motor (11), a film material roll (40) is arranged at the position of the film conveying roller (12), and the film conveying motor (11) drives the film conveying roller (12) to rotate so that the film material roll (40) outputs a film material belt (401); lead membrane mechanism (20) including roller support (21) and a plurality of guide film roller (22), a plurality of guide film roller (22) rotatory install in roller support (21), its characterized in that: straining device (30) including pull rod displacement sensor (31), tensioning roller (32), slide rail (33) and with slide rail (33) matched with slide rail (34), two slide rail (33) set firmly respectively in the left and right sides of roller support (21), two slide respectively (34) slide set up in two slide rail (33), the both ends of tensioning roller (32) respectively with two slide (34) swivelling joint, pull rod displacement sensor (31) including fixed cylinder base (311) and slide set up in telescopic link (312) of fixed cylinder base (311), fixed cylinder base (311) install in roller support (21), telescopic link (312) with the one end of tensioning roller (32) is connected.

2. A novel film supply device capable of tensioning a film according to claim 1, wherein: the fixed cylinder seat (311) is hinged with the roller bracket (21).

3. A novel film supply device capable of tensioning a film according to claim 2, wherein: tensioning roller (32) including outer roller (321), interior roller (322), outer roller (321) rotatory set up in interior roller (322), the both ends of interior roller (322) respectively with control two slide (34) are articulated mutually.

4. A novel film supply device capable of tensioning a film according to claim 3, wherein: the telescopic rod (312) is hinged with the inner roll shaft (322).

5. A novel film supply device capable of tensioning a film according to claim 1, wherein: and a limiting ring (221) used for limiting the film material belt (401) is arranged at the film guide roller (22).