Paper diaper waistline sealing and pressing device

Abstract

The invention relates to a paper diaper waistline sealing and pressing device. According to the technical scheme, the paper diaper waistline sealing and pressing device is characterized by comprising a mounting frame, a sealing and pressing module, a transmission module, a first driving module, a rotating roller, a second driving module, an ultrasonic module and a control module; the rotating roller is rotatably mounted on one side of the mounting frame, and the input end of the rotating roller is in transmission connection with the output end of the second driving module; the transmission module is installed on the side, close to the rotating roller, of the installation frame. The transmission module is arranged on one side of the rotating roller; the first driving module is mounted on the other side, away from the rotating roller, of the mounting frame, and the output end of the first driving module is in transmission connection with the input end of the transmission module. The multiple sealing and pressing modules are installed at the output end of the transmission module at equal intervals. The ultrasonic module is mounted on the rotating roller; the whole structure is simple, installation is convenient, the assembly structure that the single roller is matched with the ultrasonic module to follow sealing and pressing is adopted, the waistline sealing and pressing effect of the paper diaper is guaranteed, meanwhile, the whole size of the equipment is small, the occupied space is small, and the equipment manufacturing cost is effectively reduced.

Description

Technical Field

[0001] The invention relates to the technical field of waist sealing and pressing of diapers, and more particularly to a waist sealing and pressing device for diapers. Background Art

[0002] In the diaper manufacturing industry, waist sealing is an important step in the production of baby and adult diapers. Figure 1 , is to seal the ends of a single product before it is cut off in a continuously produced product string, which can be understood as the upper and lower layers of continuous materials being pressed together at equal intervals; the existing sealing devices mostly use ultrasonic multi-roller sealing devices to seal the waist of the diaper; but the existing multi-roller sealing devices have complex structures, high manufacturing costs, and occupy a large area when assembled; for this reason, we propose a new diaper waist sealing device. Summary of the invention

[0003] In view of the deficiencies in the prior art, an object of the present invention is to provide a diaper waist sealing and pressing device to solve the problems of the existing diaper sealing and pressing devices having a complex structure, high manufacturing cost, and large space occupied during assembly.

[0004] The above technical objectives of the present invention are achieved through the following technical solutions: A diaper waist sealing device, comprising: a mounting frame, a plurality of sealing modules for sealing the waist of the diaper, a transmission module for driving the sealing modules to rotate in a circle, a first driving module for driving the transmission module, a rotating roller, a second driving module for driving the transmission roller, an ultrasonic module, and a control module; the rotating roller is rotatably mounted on one side of the mounting frame, and the input end is transmission-connected with the output end of the second driving module; the transmission module is mounted on the mounting frame on one side close to the rotating roller; the transmission module is arranged on one side of the rotating roller; the first driving module is mounted on the other side of the mounting frame away from the rotating roller, and its output end is transmission-connected with the input end of the transmission module after passing through the mounting frame; a plurality of the sealing modules are equidistantly mounted on the output end of the transmission module; the ultrasonic module is mounted on the rotating roller; the ultrasonic module, the first driving module and the second driving module are respectively connected with the control module by electrical signals.

[0005] Optionally, the sealing and pressing module includes: a fixed plate, a plurality of sliding guide rods, a plurality of pressure springs matched with the sliding guide rods, and a sealing and pressing plate; the fixed plate is fixedly connected to the output end of the transmission module; one end of a plurality of sliding guide rods are respectively slidingly connected to the fixed plate, and the other end is respectively fixedly connected to the pressing plate; a plurality of pressure springs are correspondingly mounted on a plurality of sliding guide rods, and are located in the gap between the fixed plate and the sealing and pressing plate; the two ends of the pressure spring are respectively fixedly connected to the sealing and pressing plate and the fixed plate.

[0006] Optionally, it also includes: at least one driving cylinder; the cylinder is installed on the fixed plate, and its output end passes through the fixed plate and is fixedly connected to the powder sealing pressure plate.

[0007] Optionally, the transmission module includes: an arc-shaped limit frame adapted to the rotating roller, a first guide frame, a second guide frame, a plurality of rotating shafts, a plurality of first transmission sprockets, a plurality of second transmission sprockets, a first transmission chain adapted to the first transmission sprocket, and a second transmission chain adapted to the second transmission sprocket; the arc-shaped limit frame is fixedly connected to the mounting frame, and is arranged on one side of the rotating roller in a semi-enclosed state; the arc-shaped guide frame cooperates with the rotating roller to form a feeding channel for diapers to pass through; the first guide frame is installed on the mounting frame at an angle from right to left and upward; the second guide frame is installed on the mounting frame at an angle from right to left and downward; the first guide frame and the second guide frame cooperate to form an eight-shaped structural frame in a side-lying state, and are located on the side of the arc-shaped limit frame away from the rotating roller; the plurality of rotating shafts can be rotatably installed on the mounting frame on a side close to the rotating roller; the plurality of first transmission sprockets are respectively and one by one installed on the plurality of rotating shafts close to The transmission gear of the present invention is a gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a

[0008] Optionally, the first drive module includes: a first drive motor, and a first reducer; the first drive motor and the first reducer are respectively installed on the side of the mounting frame away from the rotating roller; the output end of the first drive motor is transmission-connected to the first reducer; the output end of the first reduction mechanism is transmission-connected to the input end of any of the rotating shafts; the first drive motor is electrically connected to the control module.

[0009] Optionally, the control module includes: an electrical box and a controller; the controller is installed in the electrical box; and the controller is electrically signal-connected to the first drive motor, the second drive module and the ultrasonic module respectively.

[0010] Optionally, the ultrasonic module includes: a plurality of ultrasonic generators; the plurality of ultrasonic generators are equidistantly installed in the rotating roller; the outer wall of the rotating roller is provided with a plurality of square holes corresponding one-to-one to the plurality of ultrasonic generators; the distance between two adjacent square holes is the same as the distance between two adjacent sealing plates; and the plurality of ultrasonic generators are respectively connected to the controller with electrical signals.

[0011] Optionally, the second driving module includes: a second driving motor; an output end of the second driving motor is drivingly connected to an input end of the rotating roller; and the second driving motor is electrically signal-connected to the controller.

[0012] Optionally, it also includes a discharging module: the discharging module includes: a discharging roller, a third driving motor, and a third reducer; the discharging roller is rotatably mounted on the mounting frame; the discharging roller is located below the rotating roller, and its feed port faces the discharging port of the feeding channel; the third reducer and the third driving motor are both mounted on the side of the mounting frame away from the rotating roller; the output end of the third driving motor is transmission-connected to the input end of the third reducer; the output end of the third reducer is transmission-connected to the input end of the discharging roller; the third driving motor is electrically connected to the controller.

[0013] Optionally, a material guide roller is further provided on the mounting frame; the material guide roller is located on a side of the discharge roller away from the feeding channel.

[0014] The present invention has a simple overall structure and is easy to install. It adopts a single roller and an ultrasonic module to follow the sealing and pressing assembly structure. While ensuring the waist sealing and pressing effect of the diaper, the overall size of the equipment is small, the space occupied is small, and the equipment manufacturing cost is effectively reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view of the present invention when assembled; Figure 2 It is a schematic diagram of the structure of the present invention when assembled; Figure 3 yes Figure 1 A top view of Figure 4 A schematic structural diagram of the sealing and pressing module in the present invention. DETAILED DESCRIPTION

[0016] In order to make the purpose, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings. Several embodiments of the present invention are shown in the accompanying drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein.

[0017] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances. The terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0018] In the present invention, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, the first feature being "above", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature. The terms "vertical", "horizontal", "left", "right", "above", "below" and similar expressions are for illustrative purposes only, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0019] The present invention is described in detail below in conjunction with the accompanying drawings and embodiments.

[0020] like Figure 1As shown, the present invention provides a diaper waist sealing device, comprising: a mounting frame 1, a plurality of sealing modules 2 for sealing the waist of the diaper, a transmission module 3 for driving the sealing modules 2 to rotate cyclically, a first driving module 4 for driving the transmission module 3, a rotating roller 7, a second driving module 5 for driving the transmission roller, an ultrasonic module 6, and a control module (not shown in the drawings); the rotating roller 7 can be rotatably mounted on one side of the mounting frame 1, and the input end is transmission-connected to the output end of the second driving module; the transmission module 3 is mounted The first drive module 4 is installed on the other side of the mounting frame 1 away from the rotating roller 7, and its output end passes through the mounting frame 1 and is connected to the input end of the transmission module 3 in a transmission manner; a plurality of sealing and pressing modules 2 are equidistantly installed at the output end of the transmission module 3; the ultrasonic module 6 is installed on the rotating roller 7; the ultrasonic module 6, the first drive module 4 and the second drive module 5 are respectively connected to the control module by electrical signals.

[0021] In this embodiment, if Figure 1-3 As shown, the mounting frame 1 is connected and mounted on the frame of the diaper processing equipment; the transmission module 3 is arranged on one side of the rotating roller 7, and cooperates with the rotating roller 7 to form a feeding channel for the diapers to be sealed and pressed to pass through. The feeding direction of the feeding channel is as shown in FIG. Figure 1 As shown by the arrows; when working, the control module controls the first drive module 4 and the second drive module 5 to work synchronously. When the first drive module 4 works, it drives the sealing and pressing module 2 to rotate around the rotating roller 7 through the transmission module 3 so as to perform a sealing and pressing operation with the waist circumference of the diaper, and the second drive motor 51 drives the rotating roller 7 to rotate synchronously, and drives the ultrasonic module 6 on the rotating roller 7 to follow the rotation, so that the ultrasonic module 6 that follows the rotation cooperates with the sealing and pressing module 2 to realize the ultrasonic sealing and pressing operation of the waist circumference of the diaper; the overall structure is simple and easy to install. It adopts a single roller and an ultrasonic module 6 to follow the sealing and pressing assembly structure. While ensuring the waist circumference sealing and pressing effect of the diaper, the overall size of the equipment is small, the space occupied is small, and the equipment manufacturing cost is effectively reduced.

[0022] Furthermore, the sealing and pressing module 2 includes: a fixed plate 21, a plurality of sliding guide rods 22, a plurality of pressure springs 23 matched with the sliding guide rods 22, and a sealing and pressing plate 24; the fixed plate 21 is fixedly connected to the output end of the transmission module 3; one end of a plurality of the sliding guide rods 22 is respectively slidably connected to the fixed plate 21, and the other end is respectively fixedly connected to the pressing plate; a plurality of the pressure springs 23 are correspondingly sleeved on a plurality of the sliding guide rods 22, and are located in the gap between the fixed plate 21 and the sealing and pressing plate 24; the two ends of the pressure spring 23 are respectively fixedly connected to the sealing and pressing plate 24 and the fixed plate 21.

[0023] In this embodiment, if Figure 1-4 As shown, a plurality of sealing and pressing modules 2 are fixedly installed at an equidistant position on the output end of the transmission module 3, so that the waist of the diaper in the feeding channel can be sealed by the rotating roller 7 driven by the transmission module 3; the sealing and pressing module 2 is mainly composed of a fixed plate 21, a plurality of sliding guide rods 22, a plurality of pressure springs 23 matched with the sliding guide rods 22, and a sealing and pressing plate 24. In this embodiment, the number of the sliding guide rods 22 is 2, and the number of the pressure springs 23 corresponding to the sliding guide rods 22 is also 2. In other embodiments, the number can be increased or decreased according to the actual application situation; during operation, when the sealing and pressing module 2 is driven by the transmission module 3 to feed through the work station, the sealing and pressing plate 24 is pushed by the elastic force of the two compression springs to seal the waist of the diaper, and the structure is simple and the installation is convenient.

[0024] In this embodiment, if Figure 4 As shown, at least one driving cylinder 25 may be provided on the fixed plate 21; the cylinder is installed on the fixed plate 21, and its output end passes through the fixed plate 21 and is fixedly connected to the powder sealing plate 24; the cylinder is used to drive the sealing plate 24 to be pressed down to achieve the sealing operation of the waist of the diaper.

[0025] Further, the transmission module 3 includes: an arc-shaped limit frame 31 adapted to the rotating roller 7, a first guide frame 32, a second guide frame 33, a plurality of rotating shafts 34, a plurality of first transmission sprockets 35, a plurality of second transmission sprockets 36, a first transmission chain 37 adapted to the first transmission sprocket 35, and a second transmission chain 38 adapted to the second transmission sprocket 36; the arc-shaped limit frame 31 is fixedly connected to the mounting frame 1, and is arranged on one side of the rotating roller 7 in a semi-enclosed state; the arc-shaped guide frame cooperates with the rotating roller 7 to form a paper feeding The feeding channel through which the diaper passes; the first guide frame 32 is installed on the mounting frame 1 from right to left and tilted upward; the second guide frame 33 is installed on the mounting frame 1 from right to left and tilted downward; the first guide frame 32 and the second guide frame 33 cooperate to form an eight-shaped structural frame in a side-lying state, and are located on the side of the arc-shaped limit frame 31 away from the rotating roller 7; a plurality of the rotating shafts 34 can be rotatably installed on the side of the mounting frame 1 close to the rotating roller 7; a plurality of the first transmission sprocket wheels 35 are respectively installed one by one on the sides of the plurality of rotating shafts 34 close to the rotating roller 7; The plurality of second transmission sprockets 36 are respectively mounted on one end of the plurality of rotating shafts 34 away from the mounting frame 1 in a one-to-one correspondence; the first transmission chain 37 is wound around the plurality of first transmission sprockets 35; the second transmission chain 38 is wound around the plurality of second transmission sprockets 36; the first transmission chain 37 and the second transmission chain 38 are parallel to each other; the plurality of fixing plates 21 are equidistantly arranged in the gap between the first transmission chain 37 and the second transmission chain 38, and the two ends thereof are respectively connected to the first transmission two and the second transmission chain 38; The two transmission chains 38 are fixedly connected; the inner sides of the first transmission chain 37 and the second transmission chain 38 are respectively in contact with the side of the first guide frame 32 and the second guide frame 33 away from the arc-shaped guide frame; the outer sides of the first transmission chain 37 and the second transmission chain 38 are respectively in contact with the side of the arc-shaped guide frame away from the rotating roller 7; the first guide frame 32, the second guide frame 33 and the arc-shaped guide frame are all provided with movable channels for the passage of several sealing modules 2; the input end of any one of the rotating shafts 34 is electrically signal connected to the first driving module 4.

[0026] In this embodiment, if Figure 1-3 As shown, the first guide frame 32, the second guide frame 33 and the arc-shaped guide frame cooperate to form the orbital trajectory of the two transmission chains, that is, the running trajectory of the sealing and pressing module 2; when working, the control module controls the driving module to work, and the driving module drives the transmission gear to rotate. During the rotation of the transmission gear, the two transmission chains are driven to pass through, and then the sealing and pressing module 2 on the transmission chain is driven to follow the rotating roller 7 to rotate synchronously, so as to perform the sealing and pressing operation; the structure is stable and easy to install.

[0027] Furthermore, the first drive module 4 includes: a first drive motor 41, and a first reducer; the first drive motor 41 and the first reducer are respectively installed on the side of the mounting frame 1 away from the rotating roller 7; the output end of the first drive motor 41 is transmission-connected to the first reducer; the output end of the first reduction mechanism is transmission-connected to the input end of any one of the rotating shafts 34; the first drive motor 41 is electrically connected to the control module; in this embodiment, the first drive motor 41 is a servo motor, and the use of a servo motor can effectively ensure the operating accuracy of the equipment.

[0028] Furthermore, the control module includes: an electrical box and a controller; the controller is installed in the electrical box; the controller is electrically connected to the first drive motor 41, the second drive module 5 and the ultrasonic module 6 respectively; specifically, the controller can be a single-chip microcomputer, MCU, PLC, etc., which has the function of controlling the orderly operation of various electrical components. MCU is selected in this embodiment.

[0029] Furthermore, the ultrasonic module 6 includes: a plurality of ultrasonic generators 61; the plurality of ultrasonic generators 61 are equidistantly installed in the rotating roller 7; the outer wall of the rotating roller 7 is provided with a plurality of square holes 8 corresponding one to one with the plurality of ultrasonic generators 61; the distance between two adjacent square holes 8 is the same as the distance between two adjacent sealing plates 24; and the plurality of ultrasonic generators 61 are respectively connected to the controller via electrical signals.

[0030] In this embodiment, if Figure 1-3 As shown, the ultrasonic generator 61 adopts a mature technical product on the market, which belongs to the existing technology and will not be described in detail here; a plurality of ultrasonic generators 61 are installed inside the rotating roller 7, and the spacing distance between the output ends of adjacent ultrasonic generators 61 is the same as the distance between two adjacent sealing modules 2 on the transmission chain, so that the rotating roller 7 drives the ultrasonic generator 61 to synchronously follow the sealing module 2 to perform ultrasonic sealing operations on the waistline of the diaper.

[0031] Furthermore, the second drive module 5 includes: a second drive motor 51; the output end of the second drive motor 51 is transmission-connected to the input end of the rotating roller 7; the second drive motor 51 is electrically signal-connected to the controller; specifically, the second drive motor 51 is also a servo motor to ensure the operating accuracy of the equipment.

[0032] Furthermore, it also includes a discharging module 9: the discharging module 9 includes: a discharging roller 91, a third driving motor 92, and a third reducer 93; the discharging roller 91 can be rotatably mounted on the mounting frame 1; the discharging roller 91 is located below the rotating roller 7, and its feed port faces the discharging port of the feeding channel; the third reducer 93 and the third driving motor 92 are both installed on the side of the mounting frame 1 away from the rotating roller 7; the output end of the third driving motor 92 is transmission-connected to the input end of the third reducer 93; the output end of the third reducer 93 is transmission-connected to the input end of the discharging roller 91; the third driving motor 92 is electrically connected to the controller; a guide roller 10 is also provided on the mounting frame 1; the guide roller 10 is located on the side of the discharging roller 91 away from the feeding channel.

[0033] In this embodiment, if Figure 1-3 As shown, the discharging module 9 and the guide roller 10 are mainly used for discharging guiding so as to orderly arrange and convey the diapers that have completed the waist sealing operation.

[0034] The diaper waist sealing and pressing device of the present invention has a simple overall structure and is easy to install. It adopts a single roller and an ultrasonic module 6 to follow the sealing and pressing assembly structure. While ensuring the waist sealing and pressing effect of the diaper, the overall size of the equipment is small and the space occupied is small, which effectively reduces the manufacturing cost of the equipment.

[0035] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A diaper waist sealing device, characterized in that: include: A mounting frame, a plurality of sealing modules for sealing the waist of the diaper, a transmission module for driving the sealing modules to rotate in a circle, a first driving module for driving the transmission module, a rotating roller, a second driving module for driving the transmission roller, an ultrasonic module, and a control module; the rotating roller is rotatably mounted on one side of the mounting frame, and an input end is transmission-connected with an output end of the second driving module; the transmission module is mounted on a side of the mounting frame close to the rotating roller; the transmission module is arranged on one side of the rotating roller; the first driving module is mounted on the other side of the mounting frame away from the rotating roller, and its output end is transmission-connected with the input end of the transmission module after passing through the mounting frame; a plurality of sealing modules are equidistantly mounted on the output end of the transmission module; the ultrasonic module is mounted on the rotating roller; the ultrasonic module, the first driving module, and the second driving module are respectively connected with electrical signals of the control module.

2. A diaper waist sealing and pressing device according to claim 1, characterized in that: The sealing and pressing module includes: a fixed plate, a plurality of sliding guide rods, a plurality of pressure springs matched with the sliding guide rods, and a sealing and pressing plate; the fixed plate is fixedly connected to the output end of the transmission module; one end of a plurality of the sliding guide rods is respectively slidably connected to the fixed plate, and the other end is respectively fixedly connected to the pressing plate; a plurality of the pressure springs are correspondingly sleeved on a plurality of the sliding guide rods, and are located in the gap between the fixed plate and the sealing and pressing plate; the two ends of the pressure spring are respectively fixedly connected to the sealing and pressing plate and the fixed plate.

3. A diaper waist sealing and pressing device according to claim 2, characterized in that: Also includes: at least one driving cylinder; The cylinder is mounted on the fixing plate, and its output end passes through the fixing plate and is fixedly connected to the powder sealing pressure plate.

4. A diaper waist sealing and pressing device according to claim 2, characterized in that: The transmission module comprises: an arc-shaped limit frame adapted to the rotating roller, a first guide frame, a second guide frame, a plurality of rotating shafts, a plurality of first transmission sprockets, a plurality of second transmission sprockets, a first transmission chain adapted to the first transmission sprocket, and a second transmission chain adapted to the second transmission sprocket; the arc-shaped limit frame is fixedly connected to the mounting frame, and is arranged on one side of the rotating roller in a semi-enclosed state; the arc-shaped guide frame cooperates with the rotating roller to form a feeding channel for diapers to pass through; the first guide frame is installed on the mounting frame from right to left and upwardly tilted; the second guide frame is installed on the mounting frame from right to left and downwardly tilted; the first guide frame and the second guide frame cooperate to form an eight-shaped structural frame in a side-lying state, and are located on the side of the arc-shaped limit frame away from the rotating roller; Several of the rotating shafts can be rotatably mounted on the side of the mounting frame close to the rotating roller; several of the first transmission sprockets are respectively mounted on one end of several of the rotating shafts close to the mounting frame in a one-to-one correspondence; several of the second transmission sprockets are respectively mounted on one end of several of the rotating shafts away from the mounting frame in a one-to-one correspondence; the first transmission chain is wound around several of the first transmission sprockets; the second transmission chain is wound around several of the second transmission sprockets; the first transmission chain and the second transmission chain are parallel to each other; several of the fixing plates are equidistantly arranged in the gap between the first transmission chain and the second transmission chain, and their two ends are respectively fixedly connected to the first transmission chain and the second transmission chain; the inner sides of the first transmission chain and the second transmission chain are respectively in contact with the side of the first guide frame and the second guide frame away from the arc guide frame; the outer sides of the first transmission chain and the second transmission chain are respectively in contact with the side of the arc guide frame away from the rotating roller; the first guide frame, the second guide frame and the arc guide frame are all provided with movable channels for the passage of several of the sealing and pressing modules; the input end of any of the rotating shafts is connected to the first driving module with an electrical signal.

5. A diaper waist sealing and pressing device according to claim 4, characterized in that: The first driving module comprises: a first driving motor and a first reducer; the first driving motor and the first reducer are respectively installed on a side of the mounting frame away from the rotating roller; the output end of the first driving motor is transmission-connected to the first reducer; the output end of the first reduction mechanism is transmission-connected to the input end of any of the rotating shafts; the first driving motor is electrically connected to the control module.

6. A diaper waist sealing and pressing device according to claim 5, characterized in that: The control module includes: an electrical box and a controller; the controller is installed in the electrical box; the controller is respectively connected to the first drive motor, the second drive module and the ultrasonic module by electrical signals.

7. A diaper waist sealing and pressing device according to claim 6, characterized in that: The ultrasonic module includes: a plurality of ultrasonic generators; the plurality of ultrasonic generators are installed in the rotating roller at equal distances; the outer wall of the rotating roller is provided with a plurality of square holes corresponding to the plurality of ultrasonic generators one by one; the distance between two adjacent square holes is the same as the distance between two adjacent sealing plates; the plurality of ultrasonic generators are respectively connected to the controller via electrical signals.

8. A diaper waist sealing and pressing device according to claim 7, characterized in that: The second driving module includes: a second driving motor; an output end of the second driving motor is drivingly connected to an input end of the rotating roller; and the second driving motor is electrically signal-connected to the controller.

9. The diaper waist sealing device according to claim 6, characterized in that: It also includes a discharging module: the discharging module includes: a discharging roller, a third driving motor, and a third reducer; the discharging roller is rotatably mounted on the mounting frame; the discharging roller is located below the rotating roller, and its feed port faces the discharging port of the feeding channel; the third reducer and the third driving motor are both mounted on the side of the mounting frame away from the rotating roller; the output end of the third driving motor is transmission-connected to the input end of the third reducer; the output end of the third reducer is transmission-connected to the input end of the discharging roller; the third driving motor is electrically connected to the controller.

10. A diaper waist sealing and pressing device according to claim 9, characterized in that: A material guide roller is also provided on the mounting frame; the material guide roller is located on a side of the discharge roller away from the feeding channel.

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