Non-woven fabric ultrasonic pressing device for paper diaper production

Abstract

The utility model relates to the technical field of paper diaper production equipment, and particularly discloses a non-woven fabric ultrasonic pressing device for paper diaper production, which comprises a V-shaped mounting frame and a mounting box connected with the lower end of the V-shaped mounting frame, a spacing adjusting assembly and an ultrasonic pressing assembly which are longitudinally and symmetrically arranged are sequentially mounted in the V-shaped mounting frame from top to bottom, a pressing bottom roller is mounted in the mounting box, and a bearing plate fixedly connected with the inner wall of the mounting box is arranged above the pressing bottom roller; according to the utility model, through the movement of the moving assembly on the arc-shaped track and the sliding of the guide fixing assembly on the arc-shaped guide rod, the distance between the two ultrasonic press-fit heads can be conveniently adjusted, and the height of the ultrasonic press-fit heads to the press-fit cambered surface can be adjusted by the height adjusting part; the device can adapt to paper diaper production with different pressing requirements, and the universality and flexibility of the device are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to paper diaper production equipment technical field especially a non -woven fabric ultrasonic wave compression device for paper diaper production. BACKGROUND

[0002] The principle of using ultrasonic technology to compress non-woven fabric material is that the high-frequency vibration energy of ultrasonic is transmitted to the interface of non-woven fabric material, and under pressure, the material surface is rubbed to form fusion between molecular layers. This compression method can realize rapid and efficient connection of non-woven fabric material without using needle thread or adhesive. In the production process of paper diapers, multiple layers of non-woven fabric material are firmly bonded together by ultrasonic compression technology to form various parts of paper diapers, such as bottom layer, surface layer, absorption layer, etc., or the non-woven fabric on both sides of the paper diaper is welded and compressed.

[0003] Based on the above situation, in the prior art, the patent with application number CN202422052898.9 discloses an ultrasonic welding and sealing mechanism for paper diaper production, which comprises a rack, a rotatable welding bottom roller is arranged on the inner side of the bottom of the rack, two groups of ultrasonic welding heads are arranged in V shape above the welding bottom roller, the two groups of ultrasonic welding heads are respectively installed on the rack through a sliding seat, the top end of the sliding seat is transmissionally connected with a lifting motor and an electric cylinder for driving the ultrasonic welding heads to lift, the inner side of the two groups of ultrasonic welding heads is provided with an air pipe, and the outer side of each group of ultrasonic welding heads is respectively provided with an air knife. The above-mentioned welding and sealing mechanism cooperates with the welding bottom roller through the two groups of ultrasonic welding heads arranged in V shape to weld and seal the two sides of the paper diaper, thereby improving the stability of the paper diaper welding and sealing quality; and the air pipe and the air knife are used to air cool and cool the two sides of the ultrasonic welding head, thereby improving the cooling effect of the ultrasonic welding head.

[0004] However, the above-mentioned ultrasonic welding and sealing mechanism still has some deficiencies in the process of welding and compressing non-woven fabric. The two groups of ultrasonic welding heads of the above-mentioned ultrasonic welding and sealing mechanism are installed on the rack through the sliding seat, so that the position and distance of the two groups of ultrasonic welding heads on the welding bottom roller are fixed, and the distance between the two welding heads cannot be adjusted according to the actual production needs of the paper diaper, which reduces the practicability of the above-mentioned ultrasonic welding and sealing mechanism in welding and compressing the non-woven fabric on both sides of the paper diaper. UTILITY MODEL CONTENTS

[0005] In view of the technical defects in the background art, the utility model provides a non-woven fabric ultrasonic compression device for paper diaper production. In order to further solve the above-mentioned technical problems and meet the actual needs, the specific technical scheme is as follows:

[0006] The utility model provides a kind of nonwoven fabric ultrasonic wave press fit device for paper diaper production, including V-shaped mounting bracket and the mounting box being connected with the lower end of V-shaped mounting bracket, the spacing adjustment component and ultrasonic wave press fit component are sequentially installed and longitudinally symmetrical in the V-shaped mounting bracket, press fit bottom roll is installed in the mounting box, the object plate is equipped with with the fixed connection of mounting box inner wall above press fit bottom roll, the spacing adjustment component includes moving component, guiding fixed component, first connecting rod, second connecting rod, the moving component and guiding fixed component are parallelly arranged and are connected by first connecting rod, the moving component is equipped with the arc track being connected with V-shaped mounting bracket, the moving component is symmetrically installed on arc track and can be orientedly moved along arc track, the guiding fixed component is parallelly arranged two ends with the arc-shaped guide rod being connected with V-shaped mounting bracket inner wall below arc track, the guiding fixed component can be symmetrically installed on arc-shaped guide rod and can be orientedly moved along arc-shaped guide rod, the ultrasonic wave press fit component includes press fit component and height adjustment component, the press fit component is fixedly connected with height adjustment component, the height adjustment component is connected with guiding fixed component by second connecting rod, and the press fit component is arranged above press fit bottom roll in the shape of 'V'.

[0007] Further, the height adjustment component includes L-shaped mounting plate, L-shaped sliding plate slidingly arranged on the inner side surface of L-shaped mounting plate, adjusting electric cylinder connection arranged between the upper end of L-shaped mounting plate and the upper end of L-shaped sliding plate, the cylinder end of adjusting electric cylinder is connected with the upper end of L-shaped mounting plate, and the telescopic rod end of adjusting electric cylinder is connected with the upper end of L-shaped sliding plate.

[0008] Further, the press fit component includes mounting seat arranged on the lower end of L-shaped sliding plate and connected with the inner side surface of L-shaped sliding plate, ultrasonic wave press fit head arranged in the mounting seat, amplitude rod arranged above ultrasonic wave press fit head and transducer, one end of amplitude rod is connected with transducer, and the other end of amplitude rod is connected with ultrasonic wave press fit head in the mounting seat.

[0009] Further, the upper and lower surfaces of arc track are provided with arc-shaped guide sliding strips, the arc-shaped guide sliding strips are arranged along the length direction of arc track, and the upper surface of arc track is provided with first driving teeth parallel to arc-shaped guide sliding strips.

[0010] Further, the moving assembly is provided with rollers on the arc-shaped guide slides on the upper and lower surfaces of the arc-shaped track, the rollers are arranged in front of and behind each other on the arc-shaped guide slides and can roll along the arc-shaped guide slides, the moving assembly is provided with an L-shaped mounting seat on the inner side of the arc-shaped track, the rollers are provided with a first rotating shaft which is rotatably connected, one end of the first rotating shaft is fixedly installed on the L-shaped mounting seat, the arc-shaped track is provided with a driving gear which can rotate and mesh with the first driving teeth between the rollers on the upper surface of the arc-shaped track, the driving gear is provided with second driving teeth on the surface, the second driving teeth mesh with the first driving teeth, the driving gear is provided with a second rotating shaft, the second rotating shaft is connected with the driving gear at one end, and the other end of the second rotating shaft is connected with the power output shaft of the first driving motor.

[0011] Further, the guide fixing assembly is provided with a sliding sleeve arc-shaped guide rod outside the sliding sleeve and can slide along the arc-shaped guide rod, the sliding sleeve is connected with a fixed ring which is sleeved outside the arc-shaped guide rod at the front and rear ends, the fixed ring is symmetrically provided with a first connecting portion and a second connecting portion which are connected with the circumferential surface of the fixed ring below, the lower part of the fixed ring is in an unsealed state and is provided with a connecting seam between the first connecting portion and the second connecting portion, and the first connecting portion and the second connecting portion are coaxially provided with a threaded fastening bolt.

[0012] Further, the surface of the pressing bottom roller is symmetrically provided with a pressing arc surface, the pressing bottom roller is provided with a third rotating shaft inside, the outer box wall of the mounting box is provided with a second driving motor, one end of the third rotating shaft is rotatably connected with the mounting box, and the other end penetrates through the side wall of the mounting box and is connected with the power output shaft of the second driving motor.

[0013] Further, the lower surface of the object holding plate is correspondingly connected with a fixed plate at the positions of four corners, the inner wall of the mounting box is correspondingly provided with a plurality of equidistantly arranged threaded holes on the lifting path of the fixed plate, the lower end of the fixed plate is provided with a fixed hole corresponding to the threaded hole, the fixed plate is correspondingly provided with a fixed screw, and the fixed screw penetrates through the fixed hole and is threadedly connected with the threaded hole.

[0014] The utility model has the advantages that:

[0015] The interval between the two ultrasonic pressing heads can be conveniently adjusted through the movement of the moving assembly on the arc-shaped track and the sliding of the guiding fixed assembly on the arc-shaped guiding rod, the device can adapt to the paper diaper production with different pressing requirements, the universality and flexibility of the equipment are improved, the height adjusting component drives the L-shaped sliding plate to slide up and down on the L-shaped mounting plate through the adjusting electric cylinder, so that the height of the ultrasonic pressing head from the pressing arc surface can be accurately adjusted, the device can press the non-woven fabrics with different thicknesses, the consistency of the non-woven fabric pressing quality is ensured, and more stable pressing effect is obtained. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is an internal structure sectional view of the utility model.

[0017] Figure 2 It is a partial enlarged view along Figure 1 A-A.

[0018] Figure 3 It is a partial enlarged view along Figure 1 B-B.

[0019] Figure 4 It is a structure schematic view of the pressing bottom roller and the mounting box of the utility model.

[0020] Figure 5 It is a structure schematic view of the ultrasonic pressing assembly of the utility model.

[0021] Figure 6 It is a structure schematic view of the fixed ring of the utility model.

[0022] Figure 7 It is a structure schematic view of the moving assembly of the utility model.

[0023] REFERENCE SIGNS:

[0024] 1-V-shaped mounting frame;

[0025] 2-mounting box; 21-processing channel;

[0026] 3-ultrasonic pressing assembly;

[0027] 31-pressing component; 311-mounting seat; 312-transducer; 313-amplifying rod; 314-ultrasonic pressing head;

[0028] 32-height adjusting component; 321-L-shaped mounting plate; 322-sliding groove; 323-L-shaped sliding plate; 324-adjusting electric cylinder;

[0029] 4-interval adjusting assembly;

[0030] 41 - moving assembly; 411 - arc-shaped track; 412 - arc-shaped guiding slide; 413 - roller; 414 - first rotating shaft; 415 - first driving tooth; 416 - L-shaped mounting base; 417 - driving gear; 418 - second rotating shaft; 419 - first driving motor; 410 - second driving tooth;

[0031] 42 - guiding and fixing assembly; 421 - arc-shaped guiding rod; 422 - sliding cylinder; 423 - fixing ring; 424 - first connecting part; 425 - second connecting part; 426 - fastening bolt; 427 - connecting seam;

[0032] 43 - first connecting rod;

[0033] 44 - second connecting rod;

[0034] 5 - pressing bottom roller; 51 - pressing arc surface; 52 - third rotating shaft; 53 - second driving motor;

[0035] 6 - supporting plate; 61 - pressing channel; 62 - fixing plate; 63 - fixing hole; 64 - fixing screw; 65 - threaded hole. DETAILED DESCRIPTION

[0036] The embodiments of the present application will be described below in conjunction with the accompanying drawings and related embodiments. The embodiments of the present application are not limited to the following examples, and the present application relates to the necessary components in the related technical field, which should be regarded as the known technology in the technical field and can be known and mastered by the skilled in the art.

[0037] As Figures 1 to 7The utility model provides a technical scheme, a non - woven fabric ultrasonic wave pressure bonding device for paper diaper production, including V -shaped mounting bracket 1 and with V -shaped mounting bracket 1 lower end connection's installation box 2, the V -shaped mounting bracket 1 is installed and longitudinal symmetry setting spacing adjustment subassembly 4 and ultrasonic wave pressure bonding subassembly 3 from top to bottom in sequence, the installation box 2 is installed with pressure bonding bottom roll 5, the pressure bonding bottom roll 5 top is equipped with with installation box 2 inner wall fixed connection's bearing plate 6, spacing adjustment subassembly 4 includes moving assembly 41, guide fixed component 42, first connecting rod 43, second connecting rod 44, moving assembly 41 and guide fixed component 42 are parallelly arranged and are connected through first connecting rod 43, moving assembly 41 is equipped with the arc track 411 of both ends with V -shaped mounting bracket 1 connection, moving assembly 41 is symmetrically installed on arc track 411 and can directional movement along arc track 411, guide fixed component 42 is parallelly arranged two ends with V -shaped mounting bracket 1 inner wall connection's arc -shaped guide rod 421 below arc track 411, guide fixed component 42 can be slidably symmetrically installed on arc -shaped guide rod 421 and can directional movement along arc -shaped guide rod 421, ultrasonic wave pressure bonding subassembly 3 includes pressure bonding part 31 and height adjustment part 32, pressure bonding part 31 with height adjustment part 32 fixed connection, height adjustment part 32 is connected through second connecting rod 44 with guide fixed component 42, the pressure bonding part 31 between " V " shape setting on pressure bonding bottom roll 5 top.

[0038] The utility model discloses through the meshing of the roller 413 on arc track 411 and drive gear 417 and first drive tooth 415, realized directional movement on arc track 411, make two moving assembly 41 can move towards or move away, thereby adjust the spacing between ultrasonic wave pressure bonding head 314, to adapt to the paper diaper production of different pressure bonding demand, guide fixed component 42 through the directional sliding of slide cylinder 422 on arc -shaped guide rod 421 and the fastening effect of fixed ring 423 and fastening bolt 426, ensure that moving assembly 41 and ultrasonic wave pressure bonding subassembly 3 are stable in the position inside the equipment.

[0039] The utility model discloses the ultrasonic wave pressure bonding head 314 of pressure bonding part 31 through amplitude lever 313 and transducer 312 converts electric energy into mechanical vibration energy, and carries out welding pressure bonding to the non -woven fabric of paper diaper both sides, height adjustment part 32 passes through the up and down sliding of L -shaped sliding plate 323 on L -shaped mounting plate 321 driven by adjusting electric cylinder 324, thereby adjust the height of ultrasonic wave pressure bonding head 314 of pressure bonding part 31 distance pressure bonding arc surface 51, make equipment can adapt to the welding pressure bonding of non -woven fabric of different thickness,

[0040] The installation box 2 is connected with the lower end of the V-shaped mounting frame 1, which provides installation space for the pressing bottom roller 5, and meanwhile, the installation box 2 also forms a processing channel 21 of the paper diaper together with the V-shaped mounting frame 1 through the object supporting plate 6, the pressing curved surface 51 on the surface of the pressing bottom roller 5 cooperates with the ultrasonic pressing head 314 to press the non-woven fabric on both sides of the paper diaper, and the pressing bottom roller 5 is driven to rotate by the third rotating shaft 52 and the second driving motor 53, so that the pressing efficiency is improved.

[0041] Combined action

[0042] As one of the preferred embodiments of the utility model, Figure 1 and Figure 5 As shown in the drawings, the height adjusting component 32 comprises an L-shaped mounting plate 321, an L-shaped sliding plate 323 slidingly arranged on the inner side surface of the L-shaped mounting plate 321, and an adjusting electric cylinder 324 connected between the upper end of the L-shaped mounting plate 321 and the upper end of the L-shaped sliding plate 323, the cylinder body end of the adjusting electric cylinder 324 is connected with the upper end of the L-shaped mounting plate 321, the telescopic rod end of the adjusting electric cylinder 324 is connected with the upper end of the L-shaped sliding plate 323, and the inner side surface of the L-shaped mounting plate 321 is provided with a sliding groove 322 capable of cooperating with the bottom surface of the L-shaped sliding plate 323 to slide.

[0043] The height adjusting component 32 realizes the height adjustment of the ultrasonic pressing head 314 on the pressing bottom roller 5 through the telescopic action of the adjusting electric cylinder 324 and the sliding cooperation of the L-shaped sliding plate 323 on the L-shaped mounting plate 321, the L-shaped sliding plate 323 slides in the sliding groove 322 of the L-shaped mounting plate 321 by the telescopic rod of the adjusting electric cylinder 324 extending or retracting, since the L-shaped sliding plate 323 is connected with the ultrasonic pressing head 314 through the mounting seat 311, the sliding of the L-shaped sliding plate 323 will directly drive the ultrasonic pressing head 314 to change the position above the pressing bottom roller 5, specifically, when the telescopic rod of the adjusting electric cylinder 324 extends, the L-shaped sliding plate 323 and the ultrasonic pressing head 314 will descend, and the ultrasonic pressing head 314 is close to the pressing curved surface 51 of the pressing bottom roller 5, when the telescopic rod of the adjusting electric cylinder 324 retracts, the L-shaped sliding plate 323 and the ultrasonic pressing head 314 will ascend, and the ultrasonic pressing head 314 is away from the pressing curved surface 51 of the pressing bottom roller 5.

[0044] As one of the preferred embodiments of the utility model, Figure 1 and Figure 5As shown, the pressing component 31 comprises a mounting seat 311 arranged at the lower end of the L-shaped slide plate 323 and connected with the inner side surface of the L-shaped slide plate 323, an ultrasonic pressing head 314 arranged in the mounting seat 311, a variable amplitude rod 313 arranged above the ultrasonic pressing head 314, and a transducer 312, one end of the variable amplitude rod 313 is connected with the transducer 312, and the other end of the variable amplitude rod 313 is connected with the ultrasonic pressing head 314 in the mounting seat 311.

[0045] In the process that the pressing component 31 welds and presses the non-woven fabric on both sides of the diaper, the transducer 312 receives electric energy from the power supply system and converts it into ultrasonic vibration energy, which is amplified and adjusted through the variable amplitude rod 313 and then transmitted to the ultrasonic pressing head 314, the ultrasonic pressing head 314 starts to act on the non-woven fabric on both sides of the diaper in the form of high-frequency vibration after receiving the ultrasonic vibration energy, and finally forms a firm welding combination through the continuous action of the ultrasonic vibration, so as to seal both sides of the diaper.

[0046] As one of the preferred embodiments of the utility model, as shown in Figure 1 and Figure 7 As shown, the upper and lower surfaces of the arc-shaped track 411 are provided with arc-shaped guide sliding strips 412, the arc-shaped guide sliding strips 412 are arranged along the length direction of the arc-shaped track 411, and the upper surface of the arc-shaped track 411 is provided with a first driving gear 415 parallel to the arc-shaped guide sliding strips 412.

[0047] In the structure of the moving assembly 41, the moving assembly 41 is provided with rollers 413 on the arc-shaped guide sliding strips 412 on the upper and lower surfaces of the arc-shaped track 411, the rollers 413 are arranged front and back on the arc-shaped guide sliding strips 412 on the upper and lower surfaces of the arc-shaped track 411 and can roll along the arc-shaped guide sliding strips 412, the moving assembly 41 is provided with an L-shaped mounting seat 416 on the inner side of the arc-shaped track 411, the inside of the roller 413 is provided with a first rotating shaft 414 connected in rotation, one end of the first rotating shaft 414 is fixedly installed on the L-shaped mounting seat 416, the driving gear 417 capable of rotating in meshing with the first driving gear 415 is arranged between the rollers 413 on the upper surface of the arc-shaped track 411, the surface of the driving gear 417 is provided with a second driving gear 410, the second driving gear 410 is in meshing with the first driving gear 415, the driving gear 417 is provided with a second rotating shaft 418, the first driving motor 419 is installed on the side surface of the L-shaped mounting seat 416 away from the arc-shaped track 411, one end of the second rotating shaft 418 is connected with the driving gear 417, and the other end of the second rotating shaft 418 is connected with the power output shaft of the first driving motor 419.

[0048] The moving assembly 41 can move directionally on the arc-shaped track 411, thereby moving the guiding fixed assembly 42 and the ultrasonic wave pressing assembly 3 connected therewith, the driving gear 417 is arranged between the rollers 413 on the upper surface of the arc-shaped track 411 and is connected with the first driving motor 419 through the second rotating shaft 418, the surface of the driving gear 417 is provided with the second driving teeth 410, which can be engaged with the first driving teeth 415 on the arc-shaped track 411, thereby realizing power transmission.

[0049] When the moving assembly 41 needs to move on the arc-shaped track 411, the first driving motor 419 transmits power to the driving gear 417 through the second rotating shaft 418, so that the driving gear 417 starts to rotate, since the surface of the driving gear 417 is provided with the second driving teeth 410, which are engaged with the first driving teeth 415 on the arc-shaped track 411, the rotation of the driving gear 417 drives the moving assembly 41 to move along the arc-shaped track 411, during the movement, the rollers 413 roll on the arc-shaped guiding slide 412, so that the movement of the moving assembly 41 is more stable and smooth, meanwhile, the L-shaped mounting base 416 serves as a supporting structure, which ensures the position accuracy and stability of the rollers 413 during rolling.

[0050] Since the moving assembly 41 is connected with the guiding fixed assembly 42 through the first connecting rod 43 and the guiding fixed assembly 42 is connected with the ultrasonic wave pressing assembly 3 through the second connecting rod 44, when the moving assembly 41 moves on the arc-shaped track 411, it drives the guiding fixed assembly 42 to move through the first connecting rod 43, meanwhile, the guiding fixed assembly 42 drives the ultrasonic wave pressing assembly 3 to move through the second connecting rod 44.

[0051] As one of the preferred embodiments of the utility model, as shown in Figure 1 , Figure 3 and Figure 6 , the guiding fixed assembly 42 is provided with a sliding sleeve arc-shaped guiding rod 421, which is externally sleeved and can slide directionally along the arc-shaped guiding rod 421, the front and rear ends of the sliding sleeve arc-shaped guiding rod 421 are connected with the fixed ring 423, which is externally sleeved on the arc-shaped guiding rod 421, the lower part of the fixed ring 423 is in an unsealed state and is provided with the connecting seam 427 between the first connecting part 424 and the second connecting part 425, the first connecting part 424 and the second connecting part 425 are coaxially and throughly provided with the threaded connecting fastening bolt 426.

[0052] The guiding and fixing assembly 42 is sleeved on the outside of the arc-shaped guiding rod 421 through the sliding cylinder 422, the front and rear ends of the sliding cylinder 422 are connected with the fixing rings 423 which are sleeved on the outside of the arc-shaped guiding rod 421, the fixing rings 423 can further enhance the stability of the guiding and fixing assembly 42 on the arc-shaped guiding rod 421, meanwhile, the first connecting part 424 and the second connecting part 425 which are symmetrically arranged below the fixing rings 423, the connecting seam 427 and the fastening bolt 426 which is screw-connected, jointly constitute the fixing structure of the guiding and fixing assembly 42.

[0053] When it is needed to adjust the distance between the ultrasonic pressing heads 314, the guiding and fixing assembly 42 is driven to move through the movement of the moving assembly 41 on the arc-shaped track 411, when the guiding and fixing assembly 42 moves to the required position, the first connecting part 424 and the second connecting part 425 are made to approach each other by screwing the fastening bolt 426, the width of the connecting seam 427 is reduced, so that the fixing ring 423 is fastened on the arc-shaped guiding rod 421, the guiding and fixing assembly 42 can keep stable with the position of the moving assembly 41 and the ultrasonic pressing assembly 3 inside the equipment, so as to ensure that the distance between the ultrasonic pressing heads 314 is stable and fixed.

[0054] As one of the preferred embodiments of the utility model, as shown in Figure 1 and Figure 4 The surface of the pressing bottom roller 5 is symmetrically provided with pressing curved surfaces 51, the inside of the pressing bottom roller 5 is provided with a third rotating shaft 52, the outer box wall of the mounting box 2 is provided with a second driving motor 53, one end of the third rotating shaft 52 is rotationally connected with the mounting box 2, and the other end penetrates through the side wall of the mounting box 2 and is connected with the power output shaft of the second driving motor 53.

[0055] The surface of the pressing bottom roller 5 is symmetrically provided with pressing curved surfaces 51, so that when the pressing bottom roller 5 rotates, the curved surfaces can be in close contact with the non-woven fabric, and uniform pressing effect is provided, the outer box wall of the mounting box 2 is provided with the second driving motor 53, the second driving motor 53 drives the third rotating shaft 52 to rotate, and further drives the pressing bottom roller 5 to rotate.

[0056] When the non-woven fabric on both sides of the paper diaper is welded and pressed, the paper diaper continuously passes through the processing channel 21 formed between the supporting plate 6 and the mounting box 2, the ultrasonic pressing head 314 is close to the pressing curved surface 51 of the pressing bottom roller 5 through the pressing channel 61 of the supporting plate 6, so that the non-woven fabric on both sides of the paper diaper is between the ultrasonic pressing head 314 and the pressing curved surface 51.

[0057] The second driving motor 53 drives the third rotating shaft 52 to rotate, and further drives the pressing bottom roller 5 to rotate.

[0058] In the above structure, in order to make the welding and pressing part of the non-woven fabric cool and solidify faster, a cooling air knife or cooling air pipe can be arranged on both sides and in the middle of the ultrasonic pressing head 314, and cooling air is sprayed through the air knife or cooling air pipe to cool the welding and pressing area of the non-woven fabric, so that the welding and pressing area is quickly cooled and solidified, thereby improving the welding and pressing quality of the non-woven fabric.

[0059] As one of the preferred embodiments of the present application, as shown in Figure 1 、 Figure 2 and Figure 4 , the four corners of the lower surface of the object supporting plate 6 are correspondingly connected with the fixing plates 62, a plurality of equidistantly arranged threaded holes 65 are correspondingly arranged on the inner wall of the mounting box 2 along the lifting path of the fixing plates 62, the lower end of each fixing plate 62 is provided with a fixing hole 63 corresponding to the threaded hole 65, and a fixing screw 64 is correspondingly arranged on each fixing plate 62.

[0060] The fixing plates 62 of the object supporting plate 6 are connected with the threaded holes 65 on the inner wall of the mounting box 2 through the fixing screws 64, so as to ensure the stable position of the object supporting plate 6 in the mounting box 2, and a processing channel 21 is formed between the object supporting plate 6 and the inner wall of the mounting box 2.

[0061] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should be considered as the protection scope of the present application.

Claims

1. A non-woven fabric ultrasonic pressing device for paper diaper production, comprising a V-shaped mounting frame (1) and a mounting box (2) connected to the lower end of the V-shaped mounting frame (1), characterized in that, The spacing adjusting assembly (4) and the ultrasonic pressing assembly (3) are sequentially installed from top to bottom and longitudinally symmetrically arranged in the V-shaped mounting rack (1), the pressing bottom roller (5) is installed in the mounting box (2), the object supporting plate (6) is arranged above the pressing bottom roller (5) and fixedly connected with the inner wall of the mounting box (2), the spacing adjusting assembly (4) comprises a moving assembly (41), a guiding and fixing assembly (42), a first connecting rod (43) and a second connecting rod (44), the moving assembly (41) and the guiding and fixing assembly (42) are arranged in parallel from top to bottom and connected through the first connecting rod (43), the moving assembly (41) is provided with the arc-shaped track (411) connected with the V-shaped mounting rack (1) at two ends, the moving assembly (41) is symmetrically installed on the arc-shaped track (411) and can move along the arc-shaped track (411) in a directional manner, the guiding and fixing assembly (42) is provided with the arc-shaped guiding rod (421) connected with the inner wall of the V-shaped mounting rack (1) at two ends and arranged in parallel below the arc-shaped track (411), the guiding and fixing assembly (42) is symmetrically installed on the arc-shaped guiding rod (421) in a slidable manner and can move along the arc-shaped guiding rod (421) in a directional manner, the ultrasonic pressing assembly (3) comprises a pressing component (31) and a height adjusting component (32), the pressing component (31) is fixedly connected with the height adjusting component (32), the height adjusting component (32) is connected with the guiding and fixing assembly (42) through the second connecting rod (44), and the pressing component (31) is arranged in a "V" shape above the pressing bottom roller (5).

2. The nonwoven fabric ultrasonic pressing device for paper diaper production according to claim 1, characterized in that, The height adjusting component (32) comprises an L-shaped mounting plate (321), an L-shaped sliding plate (323) slidably arranged on the inner side surface of the L-shaped mounting plate (321), and an adjusting electric cylinder (324) arranged between the upper end of the L-shaped mounting plate (321) and the upper end of the L-shaped sliding plate (323) and connected, the cylinder body end of the adjusting electric cylinder (324) is connected with the upper end of the L-shaped mounting plate (321), the telescopic rod end of the adjusting electric cylinder (324) is connected with the upper end of the L-shaped sliding plate (323), and the inner side surface of the L-shaped mounting plate (321) is provided with a sliding groove (322) capable of cooperating with the bottom surface of the L-shaped sliding plate (323) to slide.

3. The nonwoven fabric ultrasonic pressing device for paper diaper production according to claim 2, characterized in that, The pressing component (31) comprises a mounting seat (311) arranged at the lower end of the L-shaped sliding plate (323) and connected with the inner side surface of the L-shaped sliding plate (323), an ultrasonic pressing head (314) arranged in the mounting seat (311), a variable amplitude rod (313) arranged above the ultrasonic pressing head (314), and a transducer (312), one end of the variable amplitude rod (313) is connected with the transducer (312), and the other end of the variable amplitude rod (313) is connected with the ultrasonic pressing head (314) in the mounting seat (311).

4. The nonwoven fabric ultrasonic pressing device for paper diaper production according to claim 1, characterized in that, The upper and lower surfaces of the arc-shaped track (411) are provided with arc-shaped guide slides (412) arranged along the length direction of the arc-shaped track (411), and the upper surface of the arc-shaped track (411) is provided with first driving teeth (415) parallel to the arc-shaped guide slides (412).

5. The nonwoven fabric ultrasonic pressing device for paper diaper production according to claim 4, characterized in that, The moving assembly (41) is provided with rollers (413) on the arc-shaped guide slides (412) on the upper and lower surfaces of the arc-shaped track (411), the rollers (413) are arranged in front of and behind each other on the arc-shaped guide slides (412) on the upper and lower surfaces of the arc-shaped track (411) and can roll along the arc-shaped guide slides (412), the moving assembly (41) is provided with an L-shaped mounting seat (416) on the inner side of the arc-shaped track (411), the rollers (413) are internally provided with a first rotating shaft (414) rotationally connected, one end of the first rotating shaft (414) is fixedly installed on the L-shaped mounting seat (416), the driving gear (417) capable of rotating and meshing with the first driving teeth (415) is arranged between the rollers (413) on the upper surface of the arc-shaped track (411), the surface of the driving gear (417) is provided with second driving teeth (410), the second driving teeth (410) and the first driving teeth (415) are meshed, the driving gear (417) is provided with a second rotating shaft (418), the first driving motor (419) is installed on the surface of the L-shaped mounting seat (416) away from the arc-shaped track (411), one end of the second rotating shaft (418) is connected with the driving gear (417), and the other end of the second rotating shaft (418) is connected with the power output shaft of the first driving motor (419).

6. The nonwoven fabric ultrasonic pressing device for paper diaper production according to claim 1, characterized in that, The guide fixing assembly (42) is provided with a sliding sleeve arc-shaped guide rod (421) outside and a sliding barrel (422) capable of directional sliding along the arc-shaped guide rod (421), the front and rear ends of the sliding barrel (422) are connected with fixing rings (423) slidingly sleeved outside the arc-shaped guide rod (421), the lower part of the fixing ring (423) is in an unsealed state and is provided with a connecting seam (427) between the first connecting part (424) and the second connecting part (425), the first connecting part (424) and the second connecting part (425) are coaxially and throughly provided with a threaded fastening bolt (426).

7. The nonwoven fabric ultrasonic pressing device for paper diaper production according to claim 1, characterized in that, The surface of the pressing bottom roller (5) is symmetrically provided with a pressing arc surface (51) upward and downward, the inside of the pressing bottom roller (5) is provided with a third rotating shaft (52), the outer box wall of the mounting box (2) is provided with a second driving motor (53), one end of the third rotating shaft (52) is rotationally connected with the mounting box (2), the other end penetrates through the side wall of the mounting box (2) and is connected with the power output shaft of the second driving motor (53).

8. The nonwoven fabric ultrasonic pressing device for paper diaper production according to claim 1, characterized in that, The four corners of the lower surface of the object plate (6) are connected with fixing plates (62), a plurality of equidistantly arranged screw holes (65) are arranged on the inner wall of the mounting box (2) corresponding to the lifting path of the fixing plates (62), the lower end of the fixing plate (62) is provided with a fixing hole (63) corresponding to the screw hole (65), and the fixing plate (62) is provided with a fixing screw (64) corresponding to the fixing hole (63), and the fixing screw (64) is screwed with the screw hole (65) after passing through the fixing hole (63).

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