CN211812613U

CN211812613U - Tension swing rod device

Info

Publication number: CN211812613U
Application number: CN201922318465.2U
Authority: CN
Inventors: 吴志源
Original assignee: Quanzhou Licheng Minghui Paper Industry And Trade Co ltd
Current assignee: Quanzhou Licheng Minghui Paper Industry And Trade Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-10-30
Anticipated expiration: 2029-12-20

Abstract

The utility model relates to the field of disposable sanitary product production equipment, in particular to a tension swing rod device, which mainly solves the problem of poor buffer effect of the tension swing rod device in the prior art, and comprises a frame, a connecting rod and a linear displacement sensor, drive actuating cylinder, first axis of rotation and second axis of rotation, the first lever board of the one end fixedly connected with of first axis of rotation, rotationally be provided with first carbon fiber deflector roll and second carbon fiber deflector roll in turn on the first lever board along its length direction, the one end that drives actuating cylinder's output through first pendulum rod and connecting rod passes through the second pendulum rod respectively with the other end fixed connection of first axis of rotation, the other end of connecting rod passes through the one end fixed connection of third pendulum rod and second axis of rotation, the other end fixedly connected with second lever board of second axis of rotation, rotationally be provided with third carbon fiber deflector roll and fourth carbon fiber deflector roll in turn on the second lever board along its length direction.

Description

Tension swing rod device

Technical Field

The utility model relates to a disposable hygienic articles production facility field especially relates to a tension pendulum rod device.

Background

At present, in the production and manufacturing processes of sanitary towels and paper diapers, a lot of materials are drawn by uncoiling, driving rollers and the like and finally reach required stations. The material changing and receiving can be carried out when the material is fed, the material unwinding speed is slowed down when the material is changed and the speed is unchanged in the production process of the host machine, so that the material needs to be stored when the material is changed, and the normal production in the material changing and receiving process is ensured. Meanwhile, the material is generally a longer distance from uncoiling to a required station, tension change is inevitably caused, if tension control is not available, the controlled material is difficult to be well compounded with other materials, and the defect of wrinkle is caused after compounding.

Chinese patent application No.: 201420387213.X discloses a material tension control device, which is arranged behind a driving roller on a rack according to a production line, and comprises a rotating shaft arranged on the rack in a rotating way, a swing rod arranged on the free end of the rotating shaft, a guide wheel arranged on one end of the swing rod in a rotating way, a balancing weight arranged on the other end of the swing rod and an electric control system, wherein the balancing weight and the swing rod keep horizontal when being static, the rack is hinged with a swing cylinder, the piston rod of the swing cylinder can push the swing rod to rotate, and the swing cylinder is connected with the electric control system. The material is tensioned by utilizing the swinging of a swing rod, and the guide rod and the balancing weight are kept horizontal when the balancing weight is static by utilizing the self weight of the balancing weight, namely the guide rod is kept in a horizontal state when the material is not tensioned, so that the accurate control of the tensioning force is more facilitated; in addition, the material is cached by using the winding device, and the material can be effectively matched with the tension control device, so that the tension control of the material in the conveying process is realized, the tension range is more accurately controlled, and the controlled material can be well compounded with other materials; however, the second swing cylinder drives the moving rod to swing, so that the second guide wheel on the moving rod swings along with the second swing cylinder, the buffering process is opened in a fan shape, the stress difference is obvious when the materials in all areas are opened, and the effect of material caching is poor.

SUMMERY OF THE UTILITY MODEL

Therefore, to foretell problem, the utility model provides a tension pendulum rod device, it has mainly solved the poor problem of the buffer memory effect of tension pendulum rod device among the prior art.

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

a tension swing rod device comprises a rack, a connecting rod, a linear displacement sensor, a driving cylinder arranged on the rack, a first rotating shaft and a second rotating shaft which are rotatably arranged on the rack, wherein one end of the first rotating shaft is fixedly connected with a first lever plate, the first lever plate is rotatably and alternately provided with a first carbon fiber guide roller and a second carbon fiber guide roller along the length direction of the first lever plate, the diameter size of the first carbon fiber guide roller is larger than that of the second carbon fiber guide roller, the output end of the driving cylinder is respectively and fixedly connected with the other end of the first rotating shaft through the first swing rod and one end of the connecting rod through the second swing rod, the other end of the connecting rod is fixedly connected with one end of the second rotating shaft through a third swing rod, the other end of the second rotating shaft is fixedly connected with the second lever plate, the second lever plate is rotatably and alternately provided with a third carbon fiber guide roller and a fourth carbon fiber guide roller along, the diameter size of first carbon fiber deflector roll is the same with the diameter size of third carbon fiber deflector roll, the diameter size of second carbon fiber deflector roll is the same with the diameter size of fourth carbon fiber deflector roll, first carbon fiber deflector roll sets up with the third carbon fiber deflector roll is corresponding, the diameter size of third carbon fiber deflector roll is greater than the diameter size of fourth carbon fiber deflector roll, the one end fixed connection of installation third pendulum rod is passed through in sharp displacement sensor's the output and the second axis of rotation.

Furthermore, be provided with the stop device who is used for restricting the motion of second lever board in the frame, stop device is including the fixed spacing axle that sets up in the frame and be located second lever board upside, the cover is equipped with the elastic sleeve on the spacing axle, the elastic sleeve is corresponding with the rear end of second lever board.

Furthermore, an oil pressure buffer is arranged between the frame and the second lever plate.

Furthermore, the first rotating shaft and the second rotating shaft both comprise intermediate shafts, shaft sleeves are sleeved on the intermediate shafts through bearings, and fixing lugs are arranged on the circumferential outer surfaces of the shaft sleeves and are in locking connection with the rack through bolts.

By adopting the technical scheme, the beneficial effects of the utility model are that: the tension swing rod device drives the first rotating shaft to rotate through the driving cylinder, so as to drive the second swing rod and the first lever plate to swing, and then drives the second rotating shaft to rotate, so as to drive the second lever plate to swing, so that the first lever plate and the second lever plate swing oppositely and form a parallel state, and similarly, the driving cylinder drives the first lever plate to swing reversely during the swinging back of the first lever plate, so that the first lever plate and the second lever plate are always in a parallel state, and the first carbon fiber guide roller, the second carbon fiber guide roller, the third carbon fiber guide roller and the fourth carbon fiber guide roller which are different in size are arranged to be alternately distributed and matched, so that materials wound on the carbon fiber guide rollers different in size can compensate each other in the opposite or opposite swinging of the first lever plate and the second lever plate, and further the tensile force of the materials on each area is the same, the buffering effect of the material is good, the friction force of the material is reduced by the carbon fiber guide roller, the running stability is further improved, the linear displacement sensor is driven to work in the rotating process of the second rotating shaft, so that the swing size of the second lever plate is detected, the overlarge swing amplitude is avoided, meanwhile, the original rotary potentiometer is replaced by the linear displacement sensor, the number of accessories is reduced, the practicability is realized, and the cost is reduced; furthermore, an elastic sleeve is sleeved on the limiting shaft and used for limiting the swing amplitude of the second lever plate, so that a secondary protection effect is achieved, and the safety of the equipment is improved; furthermore, the arranged oil buffer ensures that the running stability of the equipment is good.

Drawings

Fig. 1 is a schematic front view of an embodiment of the present invention;

fig. 2 is a schematic structural view of the expanded state of the embodiment of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 2.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and detailed description.

The embodiment of the utility model provides a do:

referring to fig. 1, 2 and 3, a tension swing rod device includes a frame 1, a connecting rod 2, a linear displacement sensor 3, a driving cylinder 4 disposed on the frame 1, and a first rotating shaft 5 and a second rotating shaft 6 rotatably disposed on the frame, wherein one end of the first rotating shaft 5 is fixedly connected to a first lever plate 7, the first lever plate 7 is rotatably and alternately provided with a first carbon fiber guide roller 8 and a second carbon fiber guide roller 9 along a length direction thereof, a diameter of the first carbon fiber guide roller 8 is greater than a diameter of the second carbon fiber guide roller 9, an output end of the driving cylinder 4 is respectively and fixedly connected to the other end of the first rotating shaft 5 through a first swing rod 10 and one end of the connecting rod 2 through a second swing rod 11, and the other end of the connecting rod 2 is fixedly connected to one end of the second rotating shaft 6 through a third swing rod 12, the other end fixedly connected with second lever plate 13 of second axis of rotation 6, rotationally be provided with third carbon fiber deflector roll 14 and fourth carbon fiber deflector roll 15 in turn on the second lever plate 13 along its length direction, the diameter size of first carbon fiber deflector roll 8 is the same with the diameter size of third carbon fiber deflector roll 14, the diameter size of second carbon fiber deflector roll 9 is the same with the diameter size of fourth carbon fiber deflector roll 15, first carbon fiber deflector roll 8 sets up with third carbon fiber deflector roll 14 is corresponding, the diameter size of third carbon fiber deflector roll 14 is greater than the diameter size of fourth carbon fiber deflector roll 15, the one end fixed connection of installation third pendulum rod 12 on linear displacement sensor 3's the output passes through fourth pendulum rod 16 and the second axis of rotation 6, be provided with oil buffer 17 between frame 1 and the second lever plate 13.

In this embodiment, the frame 1 is provided with a limiting device 18 for limiting the movement of the second lever plate 13, the limiting device 18 includes a limiting shaft 181 fixedly disposed on the frame 1 and located on the upper side of the second lever plate 13, an elastic sleeve 182 is sleeved on the limiting shaft 181, and the elastic sleeve 182 corresponds to the rear end of the second lever plate 13.

In this embodiment, the first rotating shaft 5 and the second rotating shaft 6 both include an intermediate shaft 61, a shaft sleeve 63 is sleeved on the intermediate shaft 61 through a bearing 62, a fixing lug 64 is arranged on the circumferential outer surface of the shaft sleeve 63, and the fixing lug 64 is connected with the frame 1 in a locking manner through a bolt.

The utility model discloses a working method is: in the tension swing rod device, the driving cylinder 4 drives the first rotating shaft 5 to rotate so as to drive the second swing rod 11 and the first lever plate 7 to swing and then drive the second rotating shaft 6 to rotate so as to drive the second lever plate 13 to swing, so that the first lever plate 7 and the second lever plate 13 swing oppositely and form a parallel state, similarly, the driving cylinder 4 drives the first lever plate 7 to swing back and forth so that the first lever plate 7 and the second lever plate 13 swing in opposite directions, the first lever plate 7 and the second lever plate 13 are always in a parallel state, and the first carbon fiber guide rollers 8, the second carbon fiber guide rollers 9, the third carbon fiber guide rollers 14 and the fourth carbon fiber guide rollers 15 with different sizes are arranged to be alternately distributed and matched, so that materials wound on carbon fiber guide rollers with different sizes can be mutually compensated in the opposite or opposite swinging of the first lever plate 7 and the second lever plate 13, the tension of the materials on each area is the same, the material caching effect is good, the friction force of the materials is reduced by the carbon fiber guide roller, the operation stability is further improved, the linear displacement sensor 3 is driven to work in the rotating process of the second rotating shaft 6, the swing size of the second lever plate 13 is detected, the swing amplitude is prevented from being too large, meanwhile, the linear displacement sensor 3 replaces an original rotary potentiometer, accessories are reduced, practicability is realized, and the cost is reduced; the elastic sleeve 182 is sleeved on the limiting shaft 181 and used for limiting the swing amplitude of the second lever plate 13, so that a secondary protection effect is achieved, and the safety of the equipment is improved; the hydraulic shock absorber 17 is provided to improve the operational stability of the apparatus.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A tension pendulum rod device which characterized in that: comprises a frame, a connecting rod, a linear displacement sensor, a driving cylinder arranged on the frame, and a first rotating shaft and a second rotating shaft which are rotatably arranged on the frame, wherein one end of the first rotating shaft is fixedly connected with a first lever plate, the first lever plate is rotatably and alternately provided with a first carbon fiber guide roller and a second carbon fiber guide roller along the length direction of the first lever plate, the diameter size of the first carbon fiber guide roller is larger than that of the second carbon fiber guide roller, the output end of the driving cylinder is respectively and fixedly connected with the other end of the first rotating shaft through a first swing rod and one end of the connecting rod through a second swing rod, the other end of the connecting rod is fixedly connected with one end of the second rotating shaft through a third swing rod, the other end of the second rotating shaft is fixedly connected with a second lever plate, the second lever plate is rotatably and alternately provided with a third carbon fiber guide roller and a fourth carbon fiber guide, the diameter size of first carbon fiber deflector roll is the same with the diameter size of third carbon fiber deflector roll, the diameter size of second carbon fiber deflector roll is the same with the diameter size of fourth carbon fiber deflector roll, first carbon fiber deflector roll sets up with the third carbon fiber deflector roll is corresponding, the diameter size of third carbon fiber deflector roll is greater than the diameter size of fourth carbon fiber deflector roll, the one end fixed connection of installation third pendulum rod is passed through in sharp displacement sensor's the output and the second axis of rotation.

2. The tension rocker device of claim 1, wherein: the rack is provided with a limiting device used for limiting the movement of the second lever plate, the limiting device comprises a limiting shaft which is fixedly arranged on the rack and positioned on the upper side of the second lever plate, an elastic sleeve is sleeved on the limiting shaft, and the elastic sleeve corresponds to the rear end part of the second lever plate.

3. A tension pendulum device according to claim 1 or 2, wherein: and an oil pressure buffer is arranged between the frame and the second lever plate.

4. The tension rocker device of claim 3, wherein: the first rotating shaft and the second rotating shaft both comprise intermediate shafts, shaft sleeves are sleeved on the intermediate shafts through bearing sleeves, fixing lugs are arranged on the outer circumferential surfaces of the shaft sleeves, and the fixing lugs are in locking connection with the rack through bolts.