Ultrasonic forming edge sealing device

By introducing ultrasonic molding technology and adjustable welding head assembly into the diaper edge sealing device, the problem of difficulty in welding head adjustment is solved, and real-time edge trimming is achieved through the cutting mechanism, which improves production efficiency and edge sealing quality.

CN119636091BActive Publication Date: 2025-04-11GUANGDONG BANGBAO PERSONAL CARE PROD CO LTD
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Patent Information

Application Number
CN202510148180.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-02-11
Publication Date
2025-04-11
Estimated Expiration
2045-02-11

AI Technical Summary

Technical Problem

The existing diaper edge sealing devices have difficulty and cumbersome adjustment of welding head spacing, and require later trimming after welding, which is inefficient.

Method used

An ultrasonic forming edge sealing device is designed, including an adjustable welding head assembly and cutting mechanism, adjusting the welding head spacing through an electric telescopic rod, and trimming in real time using a cutting blade during welding.

Benefits of technology

The convenience and accuracy of welding head position adjustment is achieved, the adjustment time is reduced, the production efficiency is improved, and the need for later trimming is reduced through real-time trimming, and the quality and accuracy of the sealing is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to the technical field of ultrasonic edge sealing, and more specifically, it relates to an ultrasonic forming edge sealing device, comprising a body, wherein an edge sealing bottom plate is arranged on the body, and the body is divided into an upper welding area and a lower waste collection area by the edge sealing bottom plate. A support plate is arranged at the upper end of the welding area, and an electric cylinder is arranged on the support plate. An ultrasonic welding mechanism is fixedly installed at the telescopic end of the electric cylinder, and the ultrasonic welding mechanism contacts the edge sealing bottom plate under the push of the electric cylinder to weld and seal the material. The ultrasonic welding mechanism comprises a transducer arranged at the telescopic end of the electric cylinder, a variable amplitude rod arranged at one end of the transducer away from the electric cylinder, and a cross plate arranged at one end of the variable amplitude rod away from the transducer. The present invention solves the problems of difficult and cumbersome adjustment of the spacing between welding heads and low efficiency of trimming after welding in the current diaper edge sealing device.
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Description

Technical Field

[0001] The invention relates to the technical field of ultrasonic edge sealing, and more particularly to an ultrasonic forming edge sealing device. Background Art

[0002] Edge sealing is a crucial step in the production process of diapers. The quality and efficiency of edge sealing directly affect the overall quality and production efficiency of diapers. Traditional edge sealing methods are mostly done manually or with simple mechanical equipment, which have obvious limitations when dealing with diapers of different sizes.

[0003] Since diapers come in a variety of sizes, in order to meet the edge sealing requirements of diapers of different sizes, the position of the welding head needs to be precisely adjusted. However, the current welding head adjustment method is relatively cumbersome and complicated to operate, requiring workers to have a high level of skills and operating experience. This not only increases production costs, but also reduces production efficiency. Specifically, existing welding head adjustment devices often use mechanical or spiral adjustment methods, which require repeated trial and error and adjustment during the adjustment process, which is not only time-consuming and labor-intensive, but also prone to introduce errors, affecting the accuracy and quality of edge sealing.

[0004] In addition, after welding, the traditional edge sealing method often requires the diapers to be trimmed later. This step not only increases the production process, but also reduces work efficiency. Because the later trimming requires additional equipment and manpower, and the trimming process is prone to produce waste and dust, causing environmental pollution. More importantly, it is often difficult to ensure the consistency and accuracy of the trimming later, which affects the overall quality and appearance of the diapers.

[0005] In order to solve the above problems, an ultrasonic forming edge sealing device is proposed. Summary of the invention

[0006] 1. Technical issues to be resolved

[0007] In view of the problems existing in the prior art, the present invention provides an ultrasonic forming edge sealing device to solve the problems mentioned in the background technology that the welding head spacing adjustment of the current diaper edge sealing device is difficult and cumbersome, and the trimming efficiency after welding is low.

[0008] (II) Technical solution

[0009] To achieve the above object, the present invention provides the following technical solution: an ultrasonic forming edge sealing device, comprising a body, an edge sealing bottom plate is arranged on the body, and the body is divided into an upper welding area and a lower waste collection area by the edge sealing bottom plate;

[0010] A support plate is provided at the upper end of the welding area, and an electric cylinder is provided on the support plate. An ultrasonic welding mechanism is fixedly installed at the telescopic end of the electric cylinder, and the ultrasonic welding mechanism contacts the edge sealing bottom plate under the push of the electric cylinder to weld and seal the material;

[0011] The ultrasonic welding mechanism comprises a transducer arranged at the telescopic end of the electric cylinder, a horn arranged at the end of the transducer away from the electric cylinder, a horizontal plate arranged at the end of the horn away from the transducer, and an adjustable welding head assembly arranged at the bottom of the horizontal plate;

[0012] An ultrasonic generator is provided on one side of the body, and the ultrasonic generator is connected to the transducer;

[0013] Both ends of the bottom of the horizontal plate are provided with cutting mechanisms, and the cutting mechanisms are arranged on both sides of the adjustable welding head assembly, and are used to cut and clean the excess material after welding and edge sealing;

[0014] The waste collection area is provided with a fan and a collection box, and the air duct of the collection box and the fan is connected. Waste collection components are provided on both sides of the collection box, and the waste collection components are arranged on both sides of the cutting mechanism to suck away the cut waste.

[0015] The present invention is further configured such that both sides of the lower end of the welding area are provided with feed ports;

[0016] A limiting plate is arranged at the middle end of the welding area, and a guide hole is opened on the limiting plate, and the guide hole is movably plugged with the amplitude changing rod.

[0017] The present invention is further configured such that the adjustable welding head assembly includes a double-headed motor fixedly mounted on the middle end of the bottom of the horizontal plate, and an electric telescopic rod is fixedly mounted on the output shaft of the double-headed motor, and a roller welding head is fixedly mounted on one end of the two groups of electric telescopic rods away from the double-headed motor.

[0018] The present invention is further configured such that the cutting mechanism comprises a telescopic abutment assembly rotatably connected to the roller welding head at a side away from the electric telescopic rod, and a cutting blade arranged at the bottom end of the telescopic abutment assembly;

[0019] Both sides of the bottom of the horizontal plate are provided with strip grooves, and the telescopic abutment assembly is slidably installed in the strip grooves.

[0020] The present invention is further configured such that the telescopic abutment assembly comprises a telescopic sleeve rotatably mounted on a side of the roller welding head away from the electric telescopic rod, a telescopic column movably plugged into the bottom end of the telescopic sleeve, and a compression spring arranged in the telescopic sleeve;

[0021] One end of the extrusion spring is fixedly connected to the inner wall of the telescopic sleeve, and the other end of the extrusion spring is fixedly connected to the telescopic column;

[0022] The cutting blade is obliquely arranged at one end of the telescopic column away from the telescopic sleeve, and the cutting end of the cutting blade is close to the roller welding head.

[0023] The present invention is further configured such that avoidance grooves are provided on both sides of the edge sealing bottom plate, and a support frame is provided on the avoidance groove, the support frame is L-shaped, and the waste collection assembly is fixedly installed in the avoidance groove through the support frame.

[0024] The present invention is further configured such that the waste collection assembly includes a collection head fixedly mounted on the support frame, and a delivery pipe arranged at one end of the collection head, and the delivery pipe is connected to the collection box.

[0025] The present invention is further configured such that the collecting head is a flat conical suction head, the cross section of the collecting head at one end close to the inner wall of the avoidance groove is a long waist shape, and the end of the collecting head away from the inner wall of the avoidance groove is round and connected to the delivery pipe;

[0026] The bottom of the long waist-shaped end of the collecting head is located below the top of the edge-sealed bottom plate.

[0027] The present invention is further configured such that a discharge port is provided at the bottom of the machine body, and the discharge port is correspondingly connected to the bottom of the collection box, a discharge door is provided at the discharge port of the machine body, and the discharge door is correspondingly closed to the bottom of the collection box.

[0028] The present invention is further configured such that a pressure roller bracket is provided at one end of the telescopic column away from the telescopic sleeve, and a pressure roller is provided on the pressure roller bracket;

[0029] The bottom end of the pressing roller is flush with the bottom end of the cutting blade.

[0030] (III) Beneficial effects

[0031] Compared with the prior art, the present invention provides an ultrasonic forming edge sealing device, which has the following beneficial effects:

[0032] 1. The present invention can conveniently adjust the position of the welding head according to diapers of different sizes by providing an adjustable welding head assembly, which effectively solves the problem of troublesome welding head position adjustment in the prior art. Through the synchronous movement of the electric telescopic rod, the distance between the two roller welding heads can be easily adjusted to adapt to the edge sealing size requirements of diapers of different sizes. This design not only improves the flexibility of edge sealing, but also greatly saves adjustment time and improves production efficiency.

[0033] 2. The present invention realizes the function of trimming the diapers during the welding process by providing a cutting mechanism. The cutting mechanism is provided on both sides of the adjustable welding head assembly. During the welding process, as the material moves, the cutting blade can slide and trim the excess edge material after welding to form the diaper, thereby avoiding the problem of needing to process the welded diapers through later trimming in the traditional method, thereby greatly improving the work efficiency. At the same time, the cutting mechanism can also be synchronously moved and adjusted with the adjustment of the adjustable welding head assembly to ensure that the spacing between the welding position and the cutting position is the same, further ensuring the quality and accuracy of the edge sealing.

[0034] 3. The waste collection component in the present invention adopts a flat suction head design, which can not only stretch the edge of the material to both sides and flatten it through the suction force generated before welding, so that the upper and lower layers of material are flat during welding, thereby ensuring that the diapers with welded edge sealing have a soft feel and high quality, but also can promptly suck the cut waste into the collection box after welding edge sealing, effectively avoiding the accumulation of waste on the edge sealing bottom plate or mixing with moving materials, ensuring the cleanliness of the welding area and improving the overall work efficiency. In addition, the design of the flat suction head can also accelerate the air flow around the roller welding head, and cool the area after friction welding edge sealing more quickly, thereby further improving the welding effect and ensuring the stability of product quality.

[0035] 4. The present invention arranges pressure rollers on both sides of the cutting mechanism, and the bottom end of the pressure roller is flush with the bottom end of the cutting blade, which can ensure that in the process of the waste being cut and sucked into the waste collection component, even if the waste is pulled due to incomplete disconnection, the pressure roller can effectively limit the edge of the unwelded material to prevent it from wrinkling due to pulling. In this way, it not only ensures the normal progress of subsequent welding, but also further improves the overall quality of the product and the stability of the production line. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a schematic diagram of the overall structure of the ultrasonic forming edge banding device.

[0037] Figure 2 Schematic diagram of the structure inside the welding area and waste collection area.

[0038] Figure 3 It is a left view structural schematic diagram of the ultrasonic forming edge banding device.

[0039] Figure 4 It is a schematic diagram of the structure of the adjustable welding head assembly and the cutting mechanism.

[0040] Figure 5 Schematic diagram of the exploded structure of the cutting mechanism.

[0041] Figure 6 It is a schematic diagram of the structure of the ultrasonic forming edge banding device viewed from the bottom right.

[0042] Figure 7 Schematic diagram of the internal structure of the ultrasonic forming edge banding device.

[0043] In the figure: 1, machine body; 2, edge banding bottom plate; 201, avoidance groove; 202, support frame; 3, welding area; 4, waste collection area; 5, support plate; 6, electric cylinder; 7, ultrasonic welding mechanism; 701, transducer; 702, amplitude rod; 703, horizontal plate; 704, strip groove; 8, adjustable welding head assembly; 801, double-head motor; 802, electric telescopic rod; 803, roller welding head; 9, ultrasonic Generator; 10. Cutting mechanism; 1001. Cutting blade; 11. Fan; 12. Collecting box; 13. Waste collecting assembly; 1301. Collecting head; 1302. Conveying pipe; 14. Feeding port; 15. Limiting plate; 16. Guide hole; 17. Telescopic resistance assembly; 1701. Telescopic sleeve; 1702. Telescopic column; 1703. Extrusion spring; 18. Unloading door; 19. Pressing roller bracket; 20. Pressing roller. DETAILED DESCRIPTION

[0044] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application may be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0045] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0046] In the present invention, unless otherwise specified, the directions used, such as "up" and "down", usually refer to the directions shown in the drawings, or to the vertical, perpendicular or gravity directions; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0047] For examples, see Figure 1 - Figure 7 An ultrasonic forming edge sealing device comprises a body 1, an edge sealing bottom plate 2 is arranged on the body 1, and the body 1 is divided into an upper welding area 3 and a lower waste collection area 4 by the edge sealing bottom plate 2;

[0048] A support plate 5 is provided at the upper end of the welding area 3, and an electric cylinder 6 is provided on the support plate 5. An ultrasonic welding mechanism 7 is fixedly installed at the telescopic end of the electric cylinder 6, and the ultrasonic welding mechanism 7 contacts the edge sealing bottom plate 2 under the push of the electric cylinder 6 to weld and seal the material;

[0049] The ultrasonic welding mechanism 7 includes a transducer 701 disposed at the telescopic end of the electric cylinder 6, a horn 702 disposed at the end of the transducer 701 away from the electric cylinder 6, a horizontal plate 703 disposed at the end of the horn 702 away from the transducer 701, and an adjustable welding head assembly 8 disposed at the bottom of the horizontal plate 703;

[0050] An ultrasonic generator 9 is provided on one side of the body 1, and the ultrasonic generator 9 is connected to the transducer 701;

[0051] Both ends of the bottom of the horizontal plate 703 are provided with cutting mechanisms 10, and the cutting mechanisms 10 are arranged on both sides of the adjustable welding head assembly 8, for cutting and cleaning the excess material after welding and edge sealing;

[0052] The waste collection area 4 is provided with a fan 11 and a collection box 12, and the air ducts of the collection box 12 and the fan 11 are connected. Waste collection components 13 are provided on both sides of the collection box 12, and the waste collection components 13 are arranged on both sides of the cutting mechanism 10 for sucking away the cut waste.

[0053] This device is arranged in the middle position of two conveying devices, one of which conveys the material from one side of the welding area 3 to the inside of the welding area 3, and then welds the material through the ultrasonic welding mechanism 7, and outputs it from the side of the welding area away from the diaper material input end and transports it to the other conveying device for the next production operation.

[0054] Among them, before the material enters the welding area 3, the electric cylinder 6 is in a contracted state, so that there is a gap between the ultrasonic welding mechanism 7 and the edge sealing bottom plate 2, so that after the material enters the welding area 3, it can pass through the gap between the ultrasonic welding mechanism 7 and the edge sealing bottom plate 2, and then the ultrasonic welding mechanism 7 is pushed down by the electric cylinder 6, so that the ultrasonic welding mechanism 7 and the edge sealing bottom plate 2 clamp the material, that is, the adjustable welding head assembly 8 contacts the material, and a high-frequency electric signal is generated by the ultrasonic generator 9, and then the transducer 701 converts the electric signal into mechanical vibration, and then the amplitude of the vibration is amplified by the amplitude rod 702, so that the adjustable welding head assembly 8 vibrates at a high frequency and generates frictional heat with the contacting material, thereby completing the welding and edge sealing of the material, wherein the adjustable welding head assembly 8 can be adjusted according to different edge sealing spacings, so that it can effectively weld and seal the two sides of diapers of different sizes.

[0055] Furthermore, after the adjustable welding head assembly 8 welds and seals the material, as the material moves, the cutting mechanism 10 slides and cuts the excess edge material after welding, thereby forming the material. The cutting mechanism 10 can move and adjust synchronously with the adjustment of the adjustable welding head assembly 8 to ensure that the spacing between the welding position and the cutting position is the same.

[0056] Furthermore, after the excess material is cut by the cutting mechanism 10, the waste collection assembly 13 sucks the cut waste into the collection box 12 through the suction force generated by the fan 11, thereby preventing the cut waste from accumulating on the edge-sealed bottom plate 2, causing the waste and the transported material to mix, resulting in subsequent welding errors. A feed port 14 is provided on both sides of the lower end of the welding area 3;

[0057] A limiting plate 15 is disposed at the middle end of the welding area 3 , and a guide hole 16 is formed on the limiting plate 15 , and the guide hole 16 and the amplitude changing rod 702 are movably plugged.

[0058] The material passing port 14 is used for conveying the materials in and out, and the limiting plate 15 is movably connected with the amplitude changing rod 702 through the guide hole 16, so that when the electric cylinder 6 pushes the ultrasonic welding mechanism 7 to move up and down, the ultrasonic welding mechanism 7 can maintain stable upward and downward movement, so that the adjustable welding head assembly 8 can stably contact the material to be welded and sealed.

[0059] The adjustable welding head assembly 8 includes a double-headed motor 801 fixedly mounted at the bottom middle end of the horizontal plate 703, and an electric telescopic rod 802 is fixedly mounted on the output shaft of the double-headed motor 801, and a roller welding head 803 is fixedly mounted on one end of the two sets of electric telescopic rods 802 away from the double-headed motor 801.

[0060] Since diapers have different sizes, the spacing required for welding and sealing the edges of diapers of different sizes is different when they are produced. Therefore, it is necessary to adjust the spacing between the roller welding heads 803 according to the size of the diapers to ensure that the spacing size of the materials after welding meets the size requirements of the diapers.

[0061] Specifically, before welding, the two roller welding heads 803 are synchronously moved and adjusted by the electric telescopic rod 802, so that the spacing between the two roller welding heads 803 meets the size requirements of the diaper edge sealing to be welded, and the spacing between the two roller welding heads 803 and the double-headed motor 801 is the same, and the electric telescopic rod 802 can be adjusted accurately and quickly, and then the electric cylinder 6 is pushed downward to make the roller welding heads 803 press the material with the welded edge sealing, and under the action of the ultrasonic generator 9, the transducer 701 and the amplitude rod 702, the roller welding heads 803 can friction weld the material. During friction welding, the double-headed motor 801 is started, and the two output shafts of the double-headed motor 801 drive the electric telescopic rod 802 to rotate, so that the roller welding heads 803 on the electric telescopic rod 802 rotate accordingly, thereby driving the material to move and push, thereby achieving the purpose of welding while conveying the material. The cutting mechanism 10 includes a telescopic abutment assembly 17 rotatably mounted on a side of the roller welding head 803 away from the electric telescopic rod 802, and a cutting blade 1001 disposed at the bottom end of the telescopic abutment assembly 17;

[0062] Both sides of the bottom of the horizontal plate 703 are provided with strip grooves 704 , and the telescopic abutment assembly 17 is slidably installed in the strip grooves 704 .

[0063] In the initial state, the telescopic resistance component 17 is in an extended state, so that the bottom end of the cutting blade 1001 protrudes from the bottom end of the roller welding head 803. Under the push of the electric cylinder 6, the roller welding head 803 and the cutting mechanism 10 of the ultrasonic welding mechanism 7 move downward together. During the downward movement, the cutting blade 1001 first resists the material to be sealed on the edge sealing bottom plate 2, and then as the ultrasonic welding mechanism 7 continues to move downward, the telescopic resistance component 17 contracts until the roller welding head 803 also resists the material to be sealed on the edge sealing bottom plate 2. At this time, under the action of the ultrasonic generator 9, the transducer 701 and the amplitude transformer 702, the roller welding head 803 friction welds the material, and the rotation of the double-headed motor 801 causes the roller welding head 803 to push the welded material in the output direction, thereby causing the material to move, and the cutting blade 1001 that resists the material acts on the moving material, so that the excess material after welding is cut and cleaned.

[0064] Among them, when the double-headed motor 801 drives the roller welding head 803 to rotate and transport the material outward, because the telescopic resistance component 17 and the roller welding head 803 are rotatably connected, the telescopic resistance component 17 is positioned through the strip groove 704, so that the telescopic resistance component 17 cannot rotate, so that the cutting blade 1001 on the telescopic resistance component 17 can cut off the excess part of the material after welding, and the specific rotational connection method of the telescopic resistance component 17 and the roller welding head 803 is that the side wall of the telescopic resistance component 17 is provided with a cylinder and an anti-detachment block, and a chamber matching the cylinder and the anti-detachment block is opened on one side of the roller welding head 803, so that the telescopic resistance component 17 and the roller welding head 803 are rotatably connected.

[0065] Furthermore, the telescopic abutment assembly 17 and the roller welding head 803 are rotatably connected, and the telescopic abutment assembly 17 slides in the strip groove 704, so that the telescopic abutment assembly 17 can be adjusted along with the adjustment of the spacing between the two roller welding heads 803 to ensure that its cutting position is located next to the welding position.

[0066] The telescopic resistance assembly 17 includes a telescopic sleeve 1701 rotatably connected to the side of the roller welding head 803 away from the electric telescopic rod 802, a telescopic column 1702 movably plugged into the bottom end of the telescopic sleeve 1701, and a compression spring 1703 disposed in the telescopic sleeve 1701;

[0067] One end of the extrusion spring 1703 is fixedly connected to the inner wall of the telescopic sleeve 1701, and the other end of the extrusion spring 1703 is fixedly connected to the telescopic column 1702;

[0068] The cutting blade 1001 is obliquely disposed at one end of the telescopic column 1702 away from the telescopic sleeve 1701 , and the cutting end of the cutting blade 1001 is close to the roller welding head 803 .

[0069] In the initial state, the extrusion spring 1703 pushes the telescopic column 1702 outward, so that the cutting end of the cutting blade 1001 is lower than the roller welding head 803. Under the push of the electric cylinder 6, the cross plate 703 drives the adjustable welding head assembly 8 and the cutting mechanism 10 to move downward, and the cutting blade 1001 of the cutting mechanism 10 first contacts the material. Then, as the electric cylinder 6 continues to move downward, the cutting blade 1001 pushes the telescopic column 1702 to move into the telescopic sleeve 1701, so that the extrusion spring 1703 is compressed until the roller welding head 803 contacts the material. 6 stops moving downward, at which time the extrusion spring 1703 is compressed to an incompressible state, so that the cutting blade 1001 will not float up and down when cutting the material, and the rebound force of the extrusion spring 1703 will also produce a downward pressure on the material, thereby facilitating its movement and cutting. It should be noted here that the rebound force of the extrusion spring 1703 when compressed cannot cut the material when the cutting blade 1001 does not produce a relative displacement with the material. Specifically, the bottom end of the cutting blade 1001 is inclined, and the tip contacts the material when it contacts the material.

[0070] Furthermore, the cutting end of the cutting blade 1001 is inclined close to the roller welding head 803, so that the cutting blade 1001 can cut the waste more thoroughly. Avoidance grooves 201 are provided on both sides of the edge banding bottom plate 2, and a support frame 202 is provided on the avoidance groove 201. The support frame 202 is L-shaped, and the waste collection assembly 13 is fixedly installed at the avoidance groove 201 through the support frame 202.

[0071] The waste collection assembly 13 includes a collection head 1301 fixedly mounted on the support frame 202 , and a delivery pipe 1302 disposed at one end of the collection head 1301 , and the delivery pipe 1302 is connected to the collection box 12 .

[0072] The collecting head 1301 is a flat conical suction head, and the cross section of the collecting head 1301 close to the inner wall of the avoidance groove 201 is a long waist shape, and the end of the collecting head 1301 away from the inner wall of the avoidance groove 201 is round and connected to the delivery pipe 1302;

[0073] The bottom of the long waist-shaped end of the collecting head 1301 is located below the top of the edge-sealing bottom plate 2 .

[0074] After the fan 11 is started, airflow is formed in the collecting box 12, and suction is generated at the collecting head 1301 through the conveying pipe 1302. When the roller welding head 803 is ready to compact the material, the cutting blade 1001 first contacts the material, and the suction generated by the flat collecting heads 1301 on both sides of the edge-sealing bottom plate 2 can stretch the edge of the material to both sides and spread it out flat, so that the upper and lower layers are flat when the roller welding head 803 welds, thereby making the diaper with welded edge feel soft. When the cutting blade 1001 contacts the material first, the material is not in a flat state, which causes the flat collecting head 1301 to produce When the suction force is used to stretch the material, wrinkles will appear at the position where the cutting blade 1001 hits the material. Therefore, when this happens, the welded front end material needs to be discarded, but it does not affect the subsequent stretching and laying of the material, because the wrinkles are at the position where the cutting blade 1001 hits the material, and as can be seen from the figure, the suction port of the flat collecting head 1301 is wider, and the position of the center of the flat collecting head 1301 (the front is the direction of material advancement) corresponds to the cutting blade 1001, so the material can still be stretched and laid flat even if the center of the flat collecting head 1301 port is at the back.

[0075] Furthermore, after welding the edge, when the cutting blade 1001 trims the excess material, the suction force generated by its collecting head 1301 sucks the excess cut material into the collecting box 12, thereby preventing the cut material from accumulating on the edge sealing bottom plate 2 and the moving and transported material from moving and accumulating at the output port on one side of the body 1, thereby affecting the efficiency of transporting the welded diapers out of the output port.

[0076] Preferably, the suction force generated by the collecting head 1301 will accelerate the air flow around the roller welding head 803, so that the friction welding edge can be cooled more quickly, thereby improving the welding effect.

[0077] A discharge port is provided at the bottom of the machine body 1 , and the discharge port is correspondingly connected to the bottom of the collection box 12 . A discharge door 18 is provided at the discharge port of the machine body 1 , and the discharge door 18 is correspondingly closed to the bottom of the collection box 12 .

[0078] The collecting box 12 is welded to the bottom of the inner cavity of the waste collecting area 4 of the machine body 1, and the unloading door 18 is rotatably installed at the bottom of the machine body 1, and a lock is provided on the unloading door 18, which can be locked when rotating to close the bottom of the collecting box 12.

[0079] Specifically, the fan 11 is started to collect the cut waste into the collection box 12 through the waste collection component 13. When there is a lot of waste in the collection box 12, the discharge door 18 can be opened to clean the waste.

[0080] A pressure roller support 19 is provided at one end of the telescopic column 1702 away from the telescopic sleeve 1701, and a pressure roller 20 is provided on the pressure roller support 19;

[0081] The bottom end of the pressure roller 20 is flush with the bottom end of the cutting blade 1001. When the cutting blade 1001 trims and cuts the welded material, the suction of the collecting head 1301 causes the cut waste to be sucked into the conveying pipe 1302. However, since the waste is not cut and separated, the waste sucked into the conveying pipe 1302 will be pulled, and the pulling will be pulled in the direction of non-welding, causing wrinkles on the edge of the non-welded material, thereby causing problems in subsequent welding. By setting the pressure roller 20, even if the waste is pulled in the direction of non-welding, it cannot cause wrinkles on the edge of the non-welded material due to the limitation of the pressure roller 20, thereby ensuring normal subsequent welding.

[0082] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described one by one here. In the above, welding is preferred for all fixed connections. Although the embodiments of the present invention have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and deformations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. An ultrasonic forming edge sealing device, characterized in that: It comprises a machine body (1), wherein the machine body (1) is provided with an edge-sealed bottom plate (2), and the inner cavity of the machine body (1) is divided into an upper welding area (3) and a lower waste collection area (4) by the edge-sealed bottom plate (2); A support plate (5) is provided at the upper end of the welding area (3), and an electric cylinder (6) is provided on the support plate (5); an ultrasonic welding mechanism (7) is fixedly mounted on the telescopic end of the electric cylinder (6), and the ultrasonic welding mechanism (7) is pushed by the electric cylinder (6) to contact the edge sealing bottom plate (2) to weld and seal the material; The ultrasonic welding mechanism (7) comprises a transducer (701) arranged at the telescopic end of the electric cylinder (6), a horn (702) arranged at the end of the transducer (701) away from the electric cylinder (6), a horizontal plate (703) arranged at the end of the horn (702) away from the transducer (701), and an adjustable welding head assembly (8) arranged at the bottom of the horizontal plate (703); An ultrasonic generator (9) is provided on one side of the machine body (1), and the ultrasonic generator (9) is connected to the transducer (701); Both ends of the bottom of the horizontal plate (703) are provided with cutting mechanisms (10), and the cutting mechanisms (10) are arranged on both sides of the adjustable welding head assembly (8) and are used to cut and clean excess material after welding and edge sealing; The waste collection area (4) is provided with a fan (11) and a collection box (12), and the air ducts of the collection box (12) and the fan (11) are connected, and waste collection components (13) are provided on both sides of the collection box (12), and the waste collection components (13) are arranged on both sides of the cutting mechanism (10) for sucking away the cut waste; Both sides of the lower end of the welding area (3) are provided with material passing ports (14); A limiting plate (15) is provided at the middle end of the welding area (3), and a guide hole (16) is provided on the limiting plate (15), and the guide hole (16) and the amplitude changing rod (702) are movably plugged; The adjustable welding head assembly (8) comprises a double-headed motor (801) fixedly mounted on the middle end of the bottom of the horizontal plate (703), and an electric telescopic rod (802) is fixedly mounted on the output shaft of the double-headed motor (801), and a roller welding head (803) is fixedly mounted on one end of the two sets of electric telescopic rods (802) away from the double-headed motor (801); The cutting mechanism (10) comprises a telescopic abutment assembly (17) rotatably mounted on a side of the roller welding head (803) away from the electric telescopic rod (802), and a cutting blade (1001) arranged at the bottom end of the telescopic abutment assembly (17); Both sides of the bottom of the horizontal plate (703) are provided with strip grooves (704), and the telescopic abutment assembly (17) is slidably installed in the strip grooves (704); The telescopic abutment assembly (17) comprises a telescopic sleeve (1701) rotatably connected to a side of the roller welding head (803) away from the electric telescopic rod (802), a telescopic column (1702) movably plugged into the bottom end of the telescopic sleeve (1701), and a compression spring (1703) disposed in the telescopic sleeve (1701); One end of the extrusion spring (1703) is fixedly connected to the inner wall of the telescopic sleeve (1701), and the other end of the extrusion spring (1703) is fixedly connected to the telescopic column (1702); The cutting blade (1001) is arranged obliquely at one end of the telescopic column (1702) away from the telescopic sleeve (1701), and the cutting end of the cutting blade (1001) is close to the roller welding head (803); Both sides of the edge-sealed bottom plate (2) are provided with avoidance grooves (201), and a support frame (202) is provided on the avoidance groove (201); the support frame (202) is L-shaped, and the waste collection assembly (13) is fixedly mounted on the avoidance groove (201) via the support frame (202).

2. The ultrasonic forming edge sealing device according to claim 1, characterized in that: The waste collection assembly (13) comprises a collection head (1301) fixedly mounted on the support frame (202), and a delivery pipe (1302) arranged at one end of the collection head (1301), wherein the delivery pipe (1302) is connected to the collection box (12).

3. The ultrasonic forming edge sealing device according to claim 2, characterized in that: The collecting head (1301) is a flat conical suction head, the cross section of one end of the collecting head (1301) close to the inner wall of the avoidance groove (201) is a long waist shape, and the end of the collecting head (1301) away from the inner wall of the avoidance groove (201) is round and connected to the conveying pipe (1302); The bottom of the long waist-shaped end of the collecting head (1301) is located below the top of the edge-sealed bottom plate (2).

4. The ultrasonic forming edge sealing device according to claim 3 is characterized in that: The bottom end of the machine body (1) is provided with a discharge port, and the discharge port is correspondingly connected to the bottom end of the collection box (12); a discharge door (18) is provided at the discharge port of the machine body (1), and the discharge door (18) is correspondingly closed to the bottom of the collection box (12).

5. The ultrasonic forming edge sealing device according to claim 4, characterized in that: A pressure roller bracket (19) is provided at one end of the telescopic column (1702) away from the telescopic sleeve (1701), and a pressure roller (20) is provided on the pressure roller bracket (19); The bottom end of the pressing roller (20) is flush with the bottom end of the cutting blade (1001).

Citation Information

Patent Citations

  • Ultrasonic welding machine applied to mask machine

    CN113478840A

  • Ultrasonic double-trimming cutting process for forming molded line on tire rubber tread

    CN118559941A