Ultrasonic floating welding equipment

Abstract

The utility model relates to the technical field of disposable hygienic product processing equipment, in particular to ultrasonic floating welding equipment, which is characterized by comprising an ultrasonic welding device and a transverse floating pinch device, and a welding channel is arranged between an ultrasonic welding head on the ultrasonic welding device and a pattern bottom roller. The transverse floating clamping and conveying device is provided with a transverse floating clamping and conveying section corresponding to the welding channel, and the transverse floating clamping and conveying section can transversely move back and forth at a variable speed and is used for driving the to-be-welded material to penetrate through the welding channel. According to the ultrasonic floating welding equipment, the overall structure is optimized, so that the ultrasonic floating welding equipment is simpler and easier to use, noise is reduced, efficiency is improved, and the running speed is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of disposable sanitary product processing equipment, in particular to an ultrasonic floating welding device. Background Art

[0002] At present, ultrasonic waves are usually used to weld the waistband of pull-up pants on the market. Ultrasonic welding uses high-frequency vibration waves to be transmitted to the surfaces of two objects to be welded. Under pressure, the two surfaces of the objects are rubbed against each other to form a fusion between the molecular layers. In order to improve the welding strength, some ultrasonic floating welding equipment has also appeared on the market. The ultrasonic device is combined with a synchronous longitudinal floating speed change mechanism. The waistband of the pull-up pants is passively adjusted up and down by two floating wheels during the welding process to achieve acceleration and deceleration during the welding process, and indirectly increase the welding time of the waistband of the pull-up pants to improve the welding strength. However, some existing longitudinal floating ultrasonic floating welding equipment has an overall complex structure, high energy consumption, and low operating speed, and therefore needs further improvement. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide an ultrasonic floating welding device which is simpler and easier to use by optimizing the overall structure, is conducive to reducing noise, and improves efficiency and operating speed.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is as follows: an ultrasonic floating welding equipment, including an ultrasonic welding device and a lateral floating clamping device, a welding channel is provided between the ultrasonic welding head and the patterned bottom roller on the ultrasonic welding device, and a lateral floating clamping device is provided with a lateral floating clamping section corresponding to the welding channel. The lateral floating clamping section can move back and forth laterally at a variable speed and is used to drive the material to be welded to pass through the welding channel.

[0005] Furthermore, the transverse floating pinching device includes an upper annular belt, a lower annular belt, an upper belt tensioning mechanism, a lower belt tensioning mechanism, two upper belt traction wheels set at intervals, two traction transfer rollers set at intervals and two floating rollers set at intervals, the upper belt traction wheel, traction transfer roller and floating roller are arranged in sequence from top to bottom and are provided on a fixed frame, the lower annular belt is wound around the two traction transfer rollers, two floating rollers and the lower belt tensioning mechanism, the upper annular belt is wound around the two upper belt traction wheels, two traction transfer rollers, two floating rollers and the upper belt tensioning mechanism and is located on the upper side of the lower annular belt, a transverse floating pinching section is formed on the upper annular belt and the lower annular belt between the two floating rollers, both ends of the floating roller are slidably connected to the fixed frame through a sliding assembly, and the fixed frame is provided with a variable speed drive device for driving the two floating rollers to perform synchronous and unidirectional speed-changing movement back and forth in the transverse direction.

[0006] Furthermore, the upper belt tensioning mechanism includes a first upper tensioning wheel, a second upper tensioning wheel, a third upper tensioning wheel, a fourth upper tensioning wheel and a fifth upper tensioning wheel. The first upper tensioning wheel and the second upper tensioning wheel are respectively arranged on the left and right sides outside the two upper belt traction wheels, the third upper tensioning wheel is arranged between the two upper belt traction wheels, and the fourth upper tensioning wheel and the fifth upper tensioning wheel are respectively arranged on the left and right sides between the two traction transfer rollers.

[0007] Furthermore, the upper belt tensioning mechanism also includes a sixth upper tensioning wheel and a seventh upper tensioning wheel. The sixth upper tensioning wheel is arranged between the fourth upper tensioning wheel and one of the upper belt traction wheels and is close to one of the upper belt traction wheels. The seventh upper tensioning wheel is arranged between the third upper tensioning wheel and another upper belt traction wheel and is close to the other upper belt traction wheel.

[0008] Furthermore, the lower belt tensioning mechanism includes a first lower tensioning wheel, a second lower tensioning wheel, a third lower tensioning wheel and a fourth lower tensioning wheel. The first lower tensioning wheel and the second lower tensioning wheel are respectively arranged on the left and right sides outside the two traction transfer rollers, the first upper tensioning wheel and the first lower tensioning wheel are arranged correspondingly up and down, the second upper tensioning wheel and the second upper tensioning wheel are arranged correspondingly up and down, and the third lower tensioning wheel and the fourth lower tensioning wheel are respectively arranged on the left and right sides outside the two floating rollers.

[0009] Furthermore, a transverse feeding clamping section is formed on the upper annular belt and the lower annular belt between the first upper tensioning wheel, the first lower tensioning wheel and the traction transfer roller on the corresponding side, and a transverse discharging clamping section is formed on the upper annular belt and the lower annular belt between the second upper tensioning wheel, the second lower tensioning wheel and the traction transfer roller on the corresponding side.

[0010] Furthermore, the sliding assembly includes a slide rail and a slider, the slide rail is transversely fixedly installed on the fixed frame, the slider is fixedly installed on the slide seat, the two ends of the floating roller are equipped with slide seats, the slider is adapted to the slide rail and the two are slidably matched.

[0011] Furthermore, the speed change drive device includes a driving motor, a toothed synchronous belt, a toothed driving pulley, a toothed driven pulley, a connecting rod and a swing arm. The driving motor is fixedly mounted on a fixed frame, a rotating plate is fixedly mounted on the motor shaft of the driving motor, one end of the connecting rod is hinged to an eccentric point on one side surface of the rotating plate, the other end of the connecting rod is hinged to one end of the swing arm, the other end of the swing arm is fixedly connected to the driving shaft, the driving shaft is rotatably mounted on the fixed frame via a first belt seat bearing, the toothed driving pulley is fixedly mounted on the driving shaft, the toothed driven pulley is fixedly mounted on the driven shaft, the driven shaft is rotatably mounted on the fixed frame via a second belt seat bearing, the toothed driving pulley is transmission-connected to the toothed driven pulley via a toothed synchronous belt, and the slide seats on one end of the two floating rollers are fixedly connected to the toothed synchronous belt.

[0012] Furthermore, the connecting rod includes two side rod bodies and a middle rod body arranged between the two side rod bodies, and the two side rod bodies are both threadedly connected to the middle rod body.

[0013] Furthermore, the traction transfer roller is a negative pressure adsorption roller.

[0014] From the above description, it can be seen that the overall structure of the ultrasonic floating welding equipment provided by the utility model is simpler, more practical and reliable, and has the following beneficial effects: by arranging a transverse floating clamping section on the transverse floating clamping device, the transverse floating clamping section can move back and forth laterally as a whole at a variable speed while conveying the material to be welded, so that the material to be welded on the transverse floating clamping section decelerates and moves backward or accelerates and moves forward along the conveying direction of the material to be welded, so as to realize acceleration and deceleration during the welding process, and indirectly increase the welding time of the material to be welded, and improve the welding strength. By optimizing the overall structure of the transverse floating clamping device, the ultrasonic floating welding equipment is simpler and easier to use, which is beneficial to reduce noise, improve efficiency and increase the operating speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a structural schematic diagram of an ultrasonic floating welding device.

[0016] Figure 2 Schematic diagram of the layout of the upper ring belt.

[0017] Figure 3 Schematic diagram of the layout of the lower endless belt.

[0018] Figure 4 It is a structural schematic diagram of a variable speed drive device and a sliding component.

[0019] Figure 5 for Figure 4 A local enlarged schematic diagram of point A in the middle.

[0020] In the figure: 1-ultrasonic welding device; 11-ultrasonic welding head; 12-patterned bottom roller; 2-lateral floating clamping device; 21-upper annular belt; 22-lower annular belt; 231-first upper tensioning wheel; 232-second upper tensioning wheel; 233-third upper tensioning wheel; 234-fourth upper tensioning wheel; 235-fifth upper tensioning wheel; 236-sixth upper tensioning wheel; 237-seventh upper tensioning wheel; 241-first lower tensioning wheel; 242-second lower tensioning wheel; 243-third lower tensioning wheel; 244-fourth lower tensioning wheel; 25-upper belt traction wheel; 26-traction transfer roller; 2 7-floating roller; 271-slide seat; 28-slide assembly; 281-slide rail; 282-slider; 29-speed drive device; 291-drive motor; 292-toothed synchronous belt; 293-toothed driving pulley; 294-toothed driven pulley; 295-connecting rod; 2951-side rod body; 2952-middle rod body; 296-swing arm; 297-turn plate; 298-driving shaft; 299-driven shaft; 3-lateral floating pinching section; 4-lateral feeding pinching section; 5-lateral discharging pinching section; 6-fixed frame; 7-feeding upper and lower pinching device; 8-discharging upper and lower pinching device. DETAILED DESCRIPTION

[0021] The present invention is further described below through specific implementation methods.

[0022] like Figures 1 to 5 As shown, an ultrasonic floating welding device described in the utility model includes an ultrasonic welding device 1 and a lateral floating clamping device 2, a welding channel is provided between the ultrasonic welding head 11 and the patterned bottom roller 12 on the ultrasonic welding device 1, and a lateral floating clamping section 3 corresponding to the welding channel is provided on the lateral floating clamping device 2, and the lateral floating clamping section 3 can move back and forth laterally at a variable speed and is used to drive the material to be welded to pass through the welding channel.

[0023] The material to be welded, such as pull-up pants, is provided with a transverse floating clamping section 3 on the transverse floating clamping device 2. While conveying the material to be welded, the transverse floating clamping section 3 can move back and forth laterally as a whole with variable speed, so that the material to be welded on the transverse floating clamping section 3 decelerates and moves backward or accelerates and moves forward along the conveying direction of the material to be welded, so as to realize acceleration and deceleration in the welding process, indirectly increase the welding time of the material to be welded, and improve the welding strength. By optimizing the overall structure of the transverse floating clamping device 2, the ultrasonic floating welding equipment is made simpler and easier to use, which is beneficial to reduce noise, improve efficiency and increase the operating speed.

[0024] like Figures 1 to 5As shown, specifically, the transverse floating pinching device 2 includes an upper endless belt 21, a lower endless belt 22, an upper belt tensioning mechanism, a lower belt tensioning mechanism, two upper belt traction wheels 25 arranged at intervals, two traction transfer rollers 26 arranged at intervals, and two floating rollers 27 arranged at intervals. The upper belt traction wheels 25, the traction transfer rollers 26, and the floating rollers 27 are arranged in sequence from top to bottom and are provided on a fixed frame 6. The lower endless belt 22 is wound around the two traction transfer rollers 26, the two floating rollers 27, and the lower belt tensioning mechanism. The upper endless belt 21 is wound around the two upper belt traction wheels 25, the two traction transfer rollers 26, the two floating rollers 27, and the upper belt tensioning mechanism and is located on the upper side of the lower endless belt 22. The upper endless belt 21 and the lower endless belt 22 form the transverse Toward the floating pinching section 3, both ends of the floating roller 27 are slidably connected to the fixed frame 6 through a sliding assembly 28, and the fixed frame 6 is provided with a variable speed drive device 29 for driving the two floating rollers 27 to perform horizontal synchronous and unidirectional back and forth speed change movement, the two upper belt traction wheels 25 can actively pull the upper annular belt 21, and the two traction transfer rollers 26 can actively pull the lower annular belt 22, and the material to be welded can be clamped between the upper annular belt 21 and the lower annular belt 22 and transported, and the two floating rollers 27 are driven by the variable speed drive device 29 to perform horizontal synchronous and unidirectional back and forth speed change movement, thereby enabling the horizontal floating pinching section 3 to perform horizontal synchronous and unidirectional back and forth speed change movement, so that the material to be welded on the horizontal floating pinching section 3 decelerates and moves backward or accelerates and moves forward along the conveying direction of the material to be welded.

[0025] like Figure 2As shown, specifically, the upper belt tensioning mechanism includes a first upper tensioning wheel 231, a second upper tensioning wheel 232, a third upper tensioning wheel 233, a fourth upper tensioning wheel 234 and a fifth upper tensioning wheel 235, the first upper tensioning wheel 231 and the second upper tensioning wheel 232 are respectively arranged on the left and right sides outside the two upper belt traction wheels 25, the third upper tensioning wheel 233 is arranged between the two upper belt traction wheels 25, the fourth upper tensioning wheel 234 and the fifth upper tensioning wheel 235 are respectively arranged on the left and right sides between the two traction transfer rollers 26, in addition, the upper belt tensioning mechanism also includes a sixth upper tensioning wheel 236 and a seventh upper tensioning wheel 237, the sixth upper tensioning wheel 236 is arranged The fourth upper tensioning wheel 234 is between and close to one of the upper belt traction wheels 25, and the seventh upper tensioning wheel 237 is arranged between the third upper tensioning wheel 233 and another upper belt traction wheel 25 and close to another upper belt traction wheel 25, thereby facilitating a good tensioning effect on the upper annular belt 21 to ensure the smooth rotation of the lower annular belt 22. In addition, through the arrangement of the sixth upper tensioning wheel 236 and the seventh upper tensioning wheel 237, the contact length between the upper annular belt 21 and the upper belt traction wheel 25 can be effectively ensured, thereby better ensuring the traction effect of the upper belt traction wheel 25 on the upper annular belt 21.

[0026] like Figure 3 As shown, specifically, the lower belt tensioning mechanism includes a first lower tensioning wheel 241, a second lower tensioning wheel 242, a third lower tensioning wheel 243 and a fourth lower tensioning wheel 244, the first lower tensioning wheel 241 and the second lower tensioning wheel 242 are respectively arranged on the left and right sides outside the two traction transfer rollers 26, the first upper tensioning wheel 231 and the first lower tensioning wheel 241 are arranged correspondingly up and down, the second upper tensioning wheel 232 and the second upper tensioning wheel 232 are arranged correspondingly up and down, the third lower tensioning wheel 243 and the fourth lower tensioning wheel 244 are respectively arranged on the left and right sides outside the two floating rollers 27, thereby facilitating a good tensioning effect on the lower annular belt 22 to ensure the smooth rotation of the lower annular belt 22.

[0027] like Figure 1As shown, in addition, a transverse feeding pinching section 4 is formed on the upper annular belt 21 and the lower annular belt 22 between the first upper tensioning wheel 231, the first lower tensioning wheel 241 and the traction transfer roller 26 on the corresponding side, and a transverse discharging pinching section 5 is formed on the upper annular belt 21 and the lower annular belt 22 between the second upper tensioning wheel 232, the second lower tensioning wheel 242 and the traction transfer roller 26 on the corresponding side. In addition, the two floating rollers 27 can be respectively arranged on the outer side below the two traction transfer rollers 26, thereby better ensuring the contact length between the lower annular belt 22 and the traction transfer roller 26, so as to better ensure the traction effect of the traction transfer roller 26 on the lower annular belt 22.

[0028] like Figure 1 As shown, in addition, a feed upper and lower clamping device 7 is provided on one side of the lateral feed clamping section 4, and a discharge upper and lower clamping device 8 is provided on one side of the lateral discharge clamping section 5. Accordingly, the feed upper and lower clamping device 7 and the discharge upper and lower clamping device 8 can both adopt the structure in the prior art, so they will not be elaborated here.

[0029] like Figure 4 and Figure 5 As shown, specifically, the sliding assembly 28 includes a slide rail 281 and a slider 282. The slide rail 281 is fixedly installed on the fixed frame 6 laterally, and the slider 282 is fixedly installed on the slide seat 271. The slide seats 271 are installed at both ends of the floating roller 27. The slider 282 is adapted to the slide rail 281 and the two slide together, thereby effectively ensuring the stability and smoothness of the floating roller 27 when moving laterally.

[0030] like Figure 4 and Figure 5As shown, specifically, the variable speed drive device 29 includes a driving motor 291, a toothed synchronous belt 292, a toothed driving pulley 293, a toothed driven pulley 294, a connecting rod 295 and a swing arm 296. The driving motor 291 is fixedly mounted on the fixed frame 6. A rotating plate 297 is fixedly mounted on the motor shaft of the driving motor 291. One end of the connecting rod 295 is hinged to an eccentric portion on a surface of one side of the rotating plate 297. The other end of the connecting rod 295 is hinged to one end of the swing arm 296. The other end of the swing arm 296 is fixedly connected to a driving shaft 298. The driving shaft 298 is rotatably mounted on the fixed frame 6 through a first seat bearing. The toothed driving pulley 293 is fixedly mounted on the driving shaft 298 The toothed driven pulley 294 is fixedly mounted on the driven shaft 299, and the driven shaft 299 is rotatably mounted on the fixed frame 6 through the second belt seat bearing. The toothed driving pulley 293 is transmission-connected to the toothed driven pulley 294 through the toothed synchronous belt 292. The slide seats 271 on one end of the two floating rollers 27 are fixedly connected to the toothed synchronous belt 292. By adopting this structure, the driving motor 291 can drive the rotating plate 297 to rotate, thereby driving the swing arm 296 to swing back and forth through the connecting rod 295, so that the driving shaft 298 rotates back and forth, thereby driving the two floating rollers 27 to move synchronously and horizontally in the same direction with variable speed through the toothed synchronous belt 292.

[0031] like Figure 5 As shown, specifically, the connecting rod 295 includes two side rod bodies 2951 and a middle rod body 2952 arranged between the two side rod bodies 2951, and the two side rod bodies 2951 are threadedly connected to the middle rod body 2952, thereby facilitating the adjustment of the overall length of the connecting rod 295 to ultimately adjust the lateral movement distance of the floating roller 27.

[0032] Preferably, the traction transfer roller 26 is a negative pressure adsorption roller, which facilitates the good adsorption effect on the material to be welded during the conveying process, so as to ensure that during the process of the lateral floating clamping section 3 moving back and forth synchronously in the same direction at a variable speed, the material to be welded is not easy to elastically shrink during the transfer and conveying process of the traction transfer roller 26, so as to better ensure the transfer and conveying effect.

[0033] The above are only some specific implementation methods of the utility model, but the design concept of the utility model is not limited to this. Any non-substantial changes to the utility model using this concept shall be deemed as an infringement of the protection scope of the utility model.

Claims

1. An ultrasonic floating welding device, characterized in that: It comprises an ultrasonic welding device and a transverse floating clamping device, wherein a welding channel is arranged between the ultrasonic welding head and the patterned bottom roller on the ultrasonic welding device, and a transverse floating clamping section corresponding to the welding channel is arranged on the transverse floating clamping device, and the transverse floating clamping section can move back and forth transversely at a variable speed and is used to drive the material to be welded to pass through the welding channel.

2. The ultrasonic floating welding equipment according to claim 1, characterized in that: The lateral floating pinching device comprises an upper annular belt, a lower annular belt, an upper belt tensioning mechanism, a lower belt tensioning mechanism, two upper belt traction wheels arranged at intervals, two traction transfer rollers arranged at intervals and two floating rollers arranged at intervals. The upper belt traction wheel, the traction transfer roller and the floating roller are arranged in sequence from top to bottom and are arranged on a fixed frame. The lower annular belt is wound around the two traction transfer rollers, the two floating rollers and the lower belt tensioning mechanism. The upper annular belt is wound around the two upper belt traction wheels, the two traction transfer rollers, the two floating rollers and the upper belt tensioning mechanism and is located on the upper side of the lower annular belt. The lateral floating pinching section is formed between the two floating rollers on the upper annular belt and the lower annular belt. Both ends of the floating roller are slidably connected to the fixed frame through a sliding assembly, and the fixed frame is provided with a speed change driving device for driving the two floating rollers to perform lateral synchronous and unidirectional back and forth speed change movement.

3. The ultrasonic floating welding equipment according to claim 2, characterized in that: The upper belt tensioning mechanism includes a first upper tensioning wheel, a second upper tensioning wheel, a third upper tensioning wheel, a fourth upper tensioning wheel and a fifth upper tensioning wheel. The first upper tensioning wheel and the second upper tensioning wheel are respectively arranged on the left and right sides outside the two upper belt traction wheels, the third upper tensioning wheel is arranged between the two upper belt traction wheels, and the fourth upper tensioning wheel and the fifth upper tensioning wheel are respectively arranged on the left and right sides between the two traction transfer rollers.

4. The ultrasonic floating welding equipment according to claim 3 is characterized in that: The upper belt tensioning mechanism also includes a sixth upper tensioning wheel and a seventh upper tensioning wheel, the sixth upper tensioning wheel is arranged between the fourth upper tensioning wheel and one of the upper belt traction wheels and is close to one of the upper belt traction wheels, and the seventh upper tensioning wheel is arranged between the third upper tensioning wheel and another upper belt traction wheel and is close to the other upper belt traction wheel.

5. The ultrasonic floating welding equipment according to claim 3, characterized in that: The lower belt tensioning mechanism includes a first lower tensioning wheel, a second lower tensioning wheel, a third lower tensioning wheel and a fourth lower tensioning wheel. The first lower tensioning wheel and the second lower tensioning wheel are respectively arranged on the left and right sides outside the two traction transfer rollers, the first upper tensioning wheel and the first lower tensioning wheel are arranged correspondingly up and down, the second upper tensioning wheel and the second upper tensioning wheel are arranged correspondingly up and down, and the third lower tensioning wheel and the fourth lower tensioning wheel are respectively arranged on the left and right sides outside the two floating rollers.

6. The ultrasonic floating welding equipment according to claim 5, characterized in that: A transverse feeding pinching section is formed on the upper annular belt and the lower annular belt between the first upper tensioning wheel, the first lower tensioning wheel and the traction transfer roller on the corresponding side, and a transverse discharging pinching section is formed on the upper annular belt and the lower annular belt between the second upper tensioning wheel, the second lower tensioning wheel and the traction transfer roller on the corresponding side.

7. The ultrasonic floating welding equipment according to claim 2, characterized in that: The sliding assembly includes a slide rail and a slider. The slide rail is transversely fixedly installed on the fixed frame, and the slider is fixedly installed on the slide seat. The slide seats are installed at both ends of the floating roller. The slider is adapted to the slide rail and the two slides are slidably matched.

8. The ultrasonic floating welding equipment according to claim 7, characterized in that: The transmission gear of the present invention is connected with the transmission gear of the present invention to the transmission gear of the present invention, and the transmission gear of the present invention is connected with the transmission gear of the present invention to the transmission gear of the present invention.

9. The ultrasonic floating welding equipment according to claim 8, characterized in that: The connecting rod comprises two side rod bodies and a middle rod body arranged between the two side rod bodies, and the two side rod bodies are both threadedly connected to the middle rod body.

10. The ultrasonic floating welding equipment according to claim 2, characterized in that: The traction transfer roller is a negative pressure adsorption roller.

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