CN220786309U - Double-path film traction wheel device and wet tissue tube film rolling packaging machine - Google Patents

Abstract

The utility model provides a double-path film traction wheel device and a wet tissue tube film rolling packaging machine, wherein the double-path film traction wheel device comprises a first traction wheel and a second traction wheel, the first traction wheel and the second traction wheel are coaxially arranged, a first end of the first traction wheel is rotatably connected with a first end of the second traction wheel, and driving wheels capable of being independently driven are respectively arranged at a second end of the first traction wheel and a second end of the second traction wheel. The utility model can independently drive the first traction wheel and the second traction wheel to rotate through the driving wheels respectively arranged, namely the rotation speeds of the first traction wheel and the second traction wheel can be independently fed back and adjusted according to the actual conditions of the traction film on the first traction wheel and the second traction wheel without maintaining synchronization, thereby effectively eliminating accumulated errors in the traction film process, and improving the quality of products, namely the product quality.

Description

Double-path film traction wheel device and wet tissue tube film rolling packaging machine

Technical Field

The utility model relates to the technical field of wet tissue tube film rolling packaging equipment design, in particular to a double-path film traction wheel device and a wet tissue tube film rolling packaging machine.

Background

The film traction wheel device of the mini wet tissue tube film rolling film packaging machine is used for dragging a rolled film to a cutting position according to color codes or fixed length, the film of the mini wet tissue tube film rolling film packaging machine is a double-path film, namely, two paths of packaging rolled films are simultaneously dragged, the current double-path film traction wheel device uses a single-servo structure to drag the double-path film, as the film tension of different films is slightly different, along with the continuous lengthening of the traction time, the deviation of the color printing positions of the two paths of films can be gradually accumulated to generate obvious difference visible to naked eyes, and meanwhile, the accumulation of the deviation also causes that the film cutting position, the sealing position and the labeling position of one path of films exceed the allowable range and gradually expand errors, so that the packaging quality is improved.

The present utility model has been made based on the foregoing disadvantages of the related art.

Disclosure of utility model

The double-path film traction wheel device and the wet tissue tube film rolling film packaging machine designed by the utility model can at least partially solve the problems.

The utility model aims to provide a double-path film traction wheel device which comprises a first traction wheel and a second traction wheel, wherein the first traction wheel and the second traction wheel are coaxially arranged, a first end of the first traction wheel is rotatably connected with a first end of the second traction wheel, and driving wheels capable of being independently driven are respectively arranged at second ends of the first traction wheel and the second traction wheel.

In some embodiments, the first end of the first traction wheel is formed with a cylindrical shoulder, the first end of the second traction wheel is formed with a cylindrical cavity, and the cylindrical shoulder is inserted into the cylindrical cavity and a first bearing is arranged in an annular gap formed between the cylindrical shoulder and the cylindrical cavity.

In some embodiments, the first traction wheel and the second traction wheel are respectively formed with a connecting shaft section at the second end, and each driving wheel is in circumferential limit connection with the corresponding connecting shaft section through a flat key.

In some embodiments, the two-way film traction wheel device further comprises a frame on which the connecting shaft sections of the first traction wheel and the second traction wheel are rotatably supported.

In some embodiments, the connecting shaft section is connected to the frame by a second bearing.

In some embodiments, the two-way film traction wheel device further comprises servo motors for respectively and independently driving wheels, the driving wheels are belt wheels, and a belt is connected between an output shaft of each servo motor and the driving wheel correspondingly arranged.

In some embodiments, the two-way film traction wheel device further includes color code sensors respectively corresponding to the first traction wheel and the second traction wheel, and each color code sensor is used for feeding back the color code position of the film drawn by the first traction wheel or the second traction wheel and feeding back to the corresponding control part of the servo motor to realize the rotation speed adjustment of the servo motor.

The utility model also provides a wet tissue tube film rolling and packaging machine which comprises the double-path film traction wheel device.

The utility model relates to a double-path film traction wheel device and a wet tissue barrel film rolling and packaging machine, which are characterized in that:

Compared with the synchronous rotation driving mode of the first traction wheel and the second traction wheel in the prior art, the first traction wheel and the second traction wheel can be respectively and independently driven to rotate through the driving wheels respectively arranged, namely the rotation speeds of the first traction wheel and the second traction wheel can be independently and feedback adjusted according to the actual conditions of the traction film on the first traction wheel and the second traction wheel without maintaining synchronization, so that the accumulated error in the traction film process can be effectively eliminated, the quality product rate is improved, and the product quality is improved.

Drawings

Fig. 1 is a schematic perspective view of a two-way film traction wheel device of the present utility model (with parts omitted) in one view.

Fig. 2 is a schematic view (sectional view) showing the internal structure of the two-way film traction wheel device in fig. 1.

In the figure:

1. A first traction wheel; 2. a first bearing; 3. a retainer ring; 4. a second traction wheel; 5. a second bearing; 6. a driving wheel; 7. and (5) flat keys.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. In the drawings, the thickness of regions and layers are exaggerated for clarity. The same reference numerals in the drawings denote the same or similar structures, and thus detailed descriptions thereof will be omitted.

The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the utility model. One skilled in the relevant art will recognize, however, that the inventive aspects may be practiced without one or more of the specific details, or with other methods, components, materials, etc. In other instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring aspects of the utility model.

The embodiments described in the following examples are of the two-way film traction wheel device and the wet tissue roll film packaging machine of the present utility model, and the examples are only some of the embodiments of the present utility model, but the scope of the present utility model is not limited thereto. All other embodiments, which can be made by those skilled in the art without the inventive effort, are intended to be encompassed within the scope of the present utility model.

Referring to fig. 1to 2 in combination, according to an embodiment of the present utility model, a two-way film traction wheel device is provided, which includes a first traction wheel 1 and a second traction wheel 4, wherein the first traction wheel 1 and the second traction wheel 4 are coaxially disposed, a first end of the first traction wheel 1 is rotatably connected with a first end of the second traction wheel 4, and a driving wheel 6 capable of being independently driven is respectively disposed at a second end of the first traction wheel 1 and a second end of the second traction wheel 4.

Compared with the synchronous rotation driving mode of the first traction wheel 1 and the second traction wheel 4 in the prior art, the rotation driving device has the advantages that the first traction wheel 1 and the second traction wheel 4 can be respectively and independently driven to rotate through the driving wheels 6 respectively arranged, namely the rotation speeds of the first traction wheel 1 and the second traction wheel 4 can be independently and feedback adjusted according to the actual conditions of the traction film on the first traction wheel and the second traction wheel without maintaining the synchronization, so that the accumulated error in the process of the traction film can be effectively eliminated, the quality product rate is improved, and the product quality is also improved.

In some embodiments, a cylindrical shoulder (not labeled in the drawing) is formed at a first end of the first traction wheel 1, a cylindrical concave cavity (not labeled in the drawing) is formed at a first end of the second traction wheel 4, the cylindrical shoulder is inserted into the cylindrical concave cavity, a first bearing 2 is arranged in an annular gap formed between the cylindrical concave cavity and the cylindrical concave cavity, the first bearing 2 is a general roller bearing, and a retainer ring 3 is arranged at one end face of the first bearing 2.

In this technical scheme, through the first end cartridge with first traction wheel 1 and the first end cartridge of second traction wheel 4 and realize the mode of rotation connection between them through setting up first bearing 2 in the cartridge region, on the one hand can guarantee the equipment stationarity of two traction wheels, and can reduce the occupation of axial space, on the other hand then can guarantee that the independent drive of two traction wheels smoothly rotates.

In some embodiments, the second ends of the first traction wheel 1 and the second traction wheel 4 are respectively formed with a connecting shaft section (not labeled in the figure), each driving wheel 6 is in circumferential limit connection with the corresponding connecting shaft section through a flat key 7, and it can be understood that corresponding flat key grooves are respectively arranged on the inner wall of the through hole of the driving wheel 6 and the outer circumferential wall of the connecting shaft section, and the upper and lower parts of the flat key 7 are respectively located in the flat key grooves. In this technical scheme, adopt flat key 7 to realize the drive connection of each traction wheel and corresponding drive wheel 6, compare with the mode that adopts spline connection, the processing degree of difficulty is low and the equipment is convenient.

In some embodiments, the two-way film traction wheel device further comprises a frame (not shown in the figure), and the connecting shaft sections of the first traction wheel 1 and the second traction wheel 4 are rotatably supported on the frame. In the technical scheme, the first traction wheel 1 and the second traction wheel 4 are in rotary connection with the frame through respective second ends, and the middle section does not need to be independently supported, so that the structure is simple.

Referring to fig. 1, the connecting shaft section is connected with the frame through a second bearing 5, so that abrasion in the rotation process of the connecting shaft section and the frame is effectively reduced, and smooth rotation of the traction wheel is ensured.

It will be appreciated that the aforementioned driving wheels 6 may be gear structures, and in some embodiments, the two-way film traction wheel device further includes a servomotor that drives each driving wheel 6 independently, the driving wheels 6 are pulleys, and a belt (not shown in the drawing) is connected between an output shaft of each servomotor and the driving wheel 6 correspondingly disposed. In the technical scheme, the corresponding traction wheels are driven in a belt transmission mode, so that the structural arrangement of the device is more flexible.

The two-way film traction wheel device further comprises color code sensors (not shown in the figure) which are respectively arranged corresponding to the first traction wheel 1 and the second traction wheel 4, the color code sensors can be specifically connected to the frame and are respectively arranged adjacent to the first traction wheel 1 and the second traction wheel 4, each color code sensor is used for feeding back the color code position of the film towed by the first traction wheel 1 or the second traction wheel 4 and feeding back the color code position to the corresponding control part of the servo motor so as to realize the rotation speed adjustment of the servo motor, thereby being capable of adjusting the rotation speed of each traction wheel in real time and preventing error accumulation.

According to the embodiment of the utility model, the wet tissue tube film rolling and packaging machine is further provided, and particularly the mini wet tissue tube film rolling and packaging machine comprises the double-path film traction wheel device.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (8)

1. The utility model provides a double-circuit membrane traction wheel device, its characterized in that includes first traction wheel (1), second traction wheel (4), first traction wheel (1) with coaxial setting of second traction wheel (4), just the first end of first traction wheel (1) with the first end of second traction wheel (4) is rotationally connected, first traction wheel (1) with the second end of second traction wheel (4) is equipped with drive wheel (6) that can independent drive respectively.

2. The two-way film traction wheel device according to claim 1, wherein a cylindrical shoulder is formed at a first end of the first traction wheel (1), a cylindrical concave cavity is formed at a first end of the second traction wheel (4), and the cylindrical shoulder is inserted into the cylindrical concave cavity, and a first bearing (2) is arranged in an annular gap formed between the cylindrical concave cavity and the cylindrical convex shoulder.

3. The two-way film traction wheel device according to claim 1, wherein the second ends of the first traction wheel (1) and the second traction wheel (4) are respectively provided with a connecting shaft section, and each driving wheel (6) is in circumferential limit connection with the corresponding connecting shaft section through a flat key (7).

4. A two-way film traction wheel arrangement according to claim 3, further comprising a frame on which the connecting shaft sections of the first traction wheel (1) and the second traction wheel (4) are rotatably supported.

5. The two-way film traction wheel device according to claim 4, characterized in that the connecting shaft section is connected to the frame by means of a second bearing (5).

6. The two-way film traction wheel device according to claim 4 or 5, further comprising servo motors for respectively and independently driving the driving wheels (6), wherein the driving wheels (6) are belt wheels, and a belt is connected between an output shaft of each servo motor and the driving wheel (6) correspondingly arranged.

7. The two-way film traction wheel device according to claim 6, further comprising color code sensors respectively corresponding to the first traction wheel (1) and the second traction wheel (4), wherein each color code sensor is used for feeding back the color code position of the film drawn by the first traction wheel (1) or the second traction wheel (4) and feeding back to a control part of the corresponding servo motor so as to realize the rotation speed adjustment of the servo motor.

8. A wet wipe roll film packaging machine comprising a two-way film traction wheel device according to any one of claims 1 to 7.