CN220222925U - Floating roller device - Google Patents

Abstract

The utility model relates to the technical field of winding equipment, in particular to a floating roller device which comprises a base and two mounting side plates arranged on the base side by side; a lifting plate is fixedly connected between the two mounting side plates, a rotating frame is arranged on the lifting plate, a pressure sensor is arranged between the lifting plate and the rotating frame, a tensioning roller is rotatably mounted on the rotating frame, and two limiting rings are sleeved on the tensioning roller; the bottom of lifter plate is vertical to be connected with rack A, and rack A activity runs through the lifter plate, fixedly connected with fixed plate between two installation curb plates, rack A slidable mounting on the fixed plate. According to the utility model, the lifting height of the tensioning roller can be accurately adjusted, so that the pressure value of the tensioning roller to paper can be accurately controlled, paper breakage caused by overlarge pressure is avoided, meanwhile, the paper can be limited through the two movable limiting rings, and position deviation is avoided.

Description

Floating roller device

Technical Field

The utility model relates to the technical field of winding equipment, in particular to a floating roller device.

Background

In film and paper processing production facilities, tensioning and tension adjusting devices are required, which mainly act to tension the paper and lock the paper when the tension is adjusted to be most suitable.

Chinese patent with issued notice number CN205973177U discloses a wind-up machine dancer roll device, wherein comprising: the device comprises a cross beam, fixing plates symmetrically arranged on the side surfaces of two ends of the cross beam, a pushing cylinder arranged below the cross beam and a floating roller device main body respectively connected with the fixing plates and the pushing cylinder; the floating roll device main body consists of a torque shaft, a swing arm, a transition guide roll and a floating roll; the torque shaft, the transition guide roller and the floating roller are connected with the swing arm through the fixed part from top to bottom in sequence and are parallel to the cross beam; the rear end of the pushing cylinder is fixedly connected to the cross beam, and the front end of the pushing cylinder is connected to the corresponding swing arm.

The following technical drawbacks remain in the above-mentioned published patents: the tensioning degree between the floating roller and the film is adjusted through the pushing air cylinder, and because the stroke range of the pushing air cylinder is small, an operator is difficult to control the adjusting precision of the controller, and the film easily slides on the floating roller in the conveying process, so that the position deviation is easy to generate.

Disclosure of Invention

The utility model aims at solving the technical problems in the background technology and provides a floating roller device.

The technical scheme of the utility model is as follows: a floating roller device comprises a base and two installation side plates arranged on the base side by side; a lifting plate is fixedly connected between the two mounting side plates, a rotating frame is arranged on the lifting plate, a plurality of guide rods are fixed at the bottom end of the rotating frame, the guide rods movably penetrate through the lifting plate, a pressure sensor is arranged between the lifting plate and the rotating frame, a tensioning roller is rotatably mounted on the rotating frame, two limiting rings are sleeved on the tensioning roller, and a driving assembly A for driving the two limiting rings to be close to or far away from each other is mounted on the rotating frame; the bottom of lifter plate is vertical to be connected with rack A, rack A activity runs through the lifter plate, fixedly connected with fixed plate between two installation curb plates, the fixed plate is located the below of lifter plate, rack A slidable mounting is on the fixed plate, install installation axle A and installation axle B on the fixed plate rotation, be fixed with the gear wheel on the installation axle A, gear wheel and rack A meshing, be fixed with pinion A and pinion B on the installation axle B, pinion B and gear wheel meshing, be fixed with the slide on the fixed plate, be provided with rack B along the lateral sliding on the slide, rack B and pinion A meshing, install the drive assembly B that is used for driving rack B to remove on the installation curb plate.

Preferably, the driving assembly A comprises a bidirectional screw rod and a rotary table A, the bottom ends of the two limiting rings are respectively fixedly provided with a connecting sliding block, the bidirectional screw rod is rotatably arranged on the rotating frame, the two connecting sliding blocks are symmetrically arranged on the bidirectional screw rod and are in threaded connection with the bidirectional screw rod, and the rotary table A is fixed at the outer end of the bidirectional screw rod.

Preferably, the drive assembly B comprises a threaded rod and a rotary table B, the end part of the rack B is fixedly connected with a moving plate, the moving plate is arranged on the fixed plate in a sliding mode, the threaded rod is rotatably arranged on the installation side plate, the moving plate is in threaded connection with the threaded rod, and the rotary table B is fixed at the end part of the threaded rod.

Preferably, sliding holes are formed in the two ends of the rotating frame, guide sliding rods are vertically arranged in the sliding holes, rotating seats are arranged on the guide sliding rods in a sliding mode, the two ends of a rotating shaft of the tensioning roller are respectively and rotatably arranged on the rotating seats on the two sides, and springs are respectively sleeved at the upper end and the lower end of the guide sliding rods.

Preferably, the mounting side plate is provided with a controller.

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial technical effects: the driving component B drives the rack B to move along the long distance so as to drive the rack A to move up and down along the short distance, so that the lifting precision of the tensioning roller can be conveniently controlled, the pressure change between the tensioning roller and paper can be measured through the pressure sensor, the tensioning degree of the paper can be conveniently controlled by the control device, the driving component A can drive the two limiting rings to be mutually close to or far away from each other, the supporting can be limited according to the width of the paper, the paper is prevented from shifting in the conveying process, and the practicability is high.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view of a partial enlarged structure at a in fig. 1.

Fig. 3 is a schematic view of a partial enlarged structure at B of fig. 1.

Reference numerals: 1. a base; 2. installing a side plate; 3. a controller; 4. a rotating frame; 401. a slide hole; 5. a lifting plate; 6. a pressure sensor; 7. a limit circular ring; 8. a rotating seat; 9. a guide slide bar; 10. a spring; 11. a two-way screw rod; 12. a turntable A; 13. the connecting slide block; 14. a tension roller; 15. a rack A; 16. a rack B; 17. a large gear; 18. mounting a shaft A; 19. a pinion A; 20. a pinion B; 21. a mounting shaft B; 22. a fixing plate; 23. a slide plate; 24. a moving plate; 25. a threaded rod; 26. a turntable B; 27. a guide rod.

Detailed Description

As shown in fig. 1-3, the floating roller device provided by the utility model comprises a base 1 and two mounting side plates 2 arranged on the base 1 side by side; a lifting plate 5 is fixedly connected between the two mounting side plates 2, a rotating frame 4 is arranged on the lifting plate 5, a plurality of guide rods 27 are fixed at the bottom end of the rotating frame 4, the guide rods 27 movably penetrate through the lifting plate 5, a pressure sensor 6 is arranged between the lifting plate 5 and the rotating frame 4, a tensioning roller 14 is rotatably mounted on the rotating frame 4, two limiting rings 7 are sleeved on the tensioning roller 14, and a driving component A for driving the two limiting rings 7 to be close to or far away from each other is mounted on the rotating frame 4; the bottom end of the lifting plate 5 is vertically connected with a rack A15, the rack A15 movably penetrates through the lifting plate 5, a fixed plate 22 is fixedly connected between two mounting side plates 2, the fixed plate 22 is positioned below the lifting plate 5, the rack A15 is slidably mounted on the fixed plate 22, a mounting shaft A18 and a mounting shaft B21 are rotatably mounted on the fixed plate 22, a large gear 17 is fixed on the mounting shaft A18, the large gear 17 is meshed with the rack A15, a small gear A19 and a small gear B20 are fixed on the mounting shaft B21, the small gear B20 is meshed with the large gear 17, a sliding plate 23 is fixed on the fixed plate 22, a rack B16 is arranged on the sliding plate 23 in a sliding manner along the transverse direction, the rack B16 is meshed with the small gear A19, and a driving component B for driving the rack B16 to move is mounted on the mounting side plates 2; the controller 3 is mounted on the mounting side plate 2.

The driving assembly A comprises a bidirectional screw rod 11 and a rotary table A12, connecting sliding blocks 13 are fixed at the bottom ends of the two limiting rings 7, the bidirectional screw rod 11 is rotatably installed on the rotating frame 4, the two connecting sliding blocks 13 are symmetrically arranged on the bidirectional screw rod 11 and are in threaded connection with the bidirectional screw rod 11, and the rotary table A12 is fixed at the outer end of the bidirectional screw rod 11.

The drive assembly B comprises a threaded rod 25 and a rotary table B26, the end part of the rack B16 is fixedly connected with a moving plate 24, the moving plate 24 is arranged on the fixed plate 22 in a sliding mode, the threaded rod 25 is rotatably arranged on the installation side plate 2, the moving plate 24 is in threaded connection with the threaded rod 25, and the rotary table B26 is fixed at the end part of the threaded rod 25.

The slide hole 401 has all been seted up at the both ends of rotating stand 4, and the vertical guide slide bar 9 that is provided with in the slide hole 401, and the slip is provided with on the guide slide bar 9 and rotates seat 8, and the both ends of the pivot of tensioning roller 14 rotate respectively and install on the seat 8 of both sides, and spring 10 is installed to the upper and lower both ends cover of guide slide bar 9, through the spring of installing at the upper and lower end of rotating seat 8 to can guarantee that tensioning roller 14 hugs closely all the time with the paper.

The working principle of the utility model is as follows: the driving assembly B drives the rack B16 to move along the long distance to drive the rack A15 to move up and down along the short distance, so that the lifting precision of the tensioning roller 14 can be conveniently controlled, the pressure change between the tensioning roller 14 and paper can be measured through the pressure sensor 6, the tensioning degree of the paper can be conveniently controlled by the control device, the driving assembly A can drive the two limiting rings 7 to be close to or far away from each other, the supporting can be limited according to the width of the paper, the paper is prevented from shifting in the conveying process, and the practicability is high.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims (5)

1. The floating roller device is characterized by comprising a base (1) and two mounting side plates (2) which are arranged on the base (1) side by side; a lifting plate (5) is fixedly connected between the two mounting side plates (2), a rotating frame (4) is arranged on the lifting plate (5), a plurality of guide rods (27) are fixed at the bottom end of the rotating frame (4), the guide rods (27) movably penetrate through the lifting plate (5), a pressure sensor (6) is arranged between the lifting plate (5) and the rotating frame (4), a tensioning roller (14) is rotatably mounted on the rotating frame (4), two limiting rings (7) are sleeved on the tensioning roller (14), and a driving assembly A for driving the two limiting rings (7) to be close to or far away from each other is mounted on the rotating frame (4); the lifting plate (5) is vertically connected with a rack A (15) at the bottom end, the rack A (15) movably penetrates through the lifting plate (5), a fixed plate (22) is fixedly connected between two mounting side plates (2), the fixed plate (22) is located below the lifting plate (5), the rack A (15) is slidably mounted on the fixed plate (22), a mounting shaft A (18) and a mounting shaft B (21) are rotatably mounted on the fixed plate (22), a large gear (17) is fixed on the mounting shaft A (18), the large gear (17) is meshed with the rack A (15), a small gear A (19) and a small gear B (20) are fixed on the mounting shaft B (21), a sliding plate (23) is fixedly connected with the large gear (17), a rack B (16) is arranged on the sliding plate (23) in a transverse sliding mode, the rack B (16) is meshed with the small gear A (19), and a driving component B for driving the rack B (16) to move is mounted on the mounting side plates (2).

2. The floating roller device according to claim 1, wherein the driving assembly A comprises a bidirectional screw rod (11) and a rotary disc A (12), connecting sliding blocks (13) are fixed at the bottom ends of the two limiting rings (7), the bidirectional screw rod (11) is rotatably installed on the rotating frame (4), the two connecting sliding blocks (13) are symmetrically arranged on the bidirectional screw rod (11) and are in threaded connection with the bidirectional screw rod (11), and the rotary disc A (12) is fixed at the outer end of the bidirectional screw rod (11).

3. A dancer assembly according to claim 1, wherein the drive assembly B comprises a threaded rod (25) and a rotatable disc B (26), the end of the rack B (16) is fixedly connected with a movable plate (24), the movable plate (24) is slidably arranged on the fixed plate (22), the threaded rod (25) is rotatably mounted on the mounting side plate (2), the movable plate (24) is in threaded connection with the threaded rod (25), and the rotatable disc B (26) is fixed at the end of the threaded rod (25).

4. The floating roller device according to claim 1, wherein sliding holes (401) are formed in two ends of the rotating frame (4), guide sliding rods (9) are vertically arranged in the sliding holes (401), rotating seats (8) are slidably arranged on the guide sliding rods (9), two ends of a rotating shaft of the tensioning roller (14) are respectively rotatably arranged on the rotating seats (8) on two sides, and springs (10) are respectively sleeved at the upper end and the lower end of the guide sliding rods (9).

5. A dancer arrangement as claimed in claim 1, characterised in that the mounting side plate (2) is provided with a control (3).