CN-121973456-A - Continuous ultrasonic welding mechanism for substrate and lining

CN121973456ACN 121973456 ACN121973456 ACN 121973456ACN-121973456-A

Abstract

The invention relates to a continuous ultrasonic welding mechanism for a substrate and a lining. The distance-adjusting transfer mechanism comprises a rotating shaft, a negative pressure box and a cam disc are respectively arranged at two ends of the rotating shaft, the cam disc comprises an inner disc body fixed relative to the rotating shaft and a plurality of outer disc bodies sleeved outside the inner disc body and arranged in parallel along the axial direction of the inner disc body, the inner disc body and the outer disc bodies are in meshed transmission through elastic teeth, the outer disc bodies are vertically connected with distance-adjusting transfer seats, the outer surfaces of the distance-adjusting transfer seats are provided with second negative pressure adsorption holes, the distance-adjusting transfer seats are respectively communicated with the negative pressure box through negative pressure hoses, the outer surfaces of the distance-adjusting transfer seats are provided with permanent magnet parts, the welding platform comprises welding holes, ultrasonic welding heads are correspondingly arranged below the welding holes, electromagnets are further arranged at the welding holes, welding is not needed in the transferring process of the distance-adjusting transfer seats, the distance-adjusting transfer seats are used as welding seats, therefore, the processing procedures are simplified greatly, the production efficiency is remarkably improved, and the production cost is reduced.

Inventors

ZHAO XINWEI
YANG ZIQIANG
YANG SHUAIFENG
HE JIHENG
WANG ZHIQIANG

Assignees

河南逸祥卫生科技有限公司

Dates

Publication Date: 20260505
Application Date: 20260127

Claims (8)

1. A continuous ultrasonic welding mechanism for a substrate and liner comprising: The O cutting mechanism comprises a smooth roller and an O cutter roller, an O cutting gap for allowing the lining cloth belt to pass through is formed between the smooth roller and the O cutter roller, and a first negative pressure adsorption hole for adsorbing the lining after O cutting is formed in the peripheral surface of the O cutter roller; Characterized by further comprising: The distance-adjusting transfer mechanism comprises a rotating shaft, a negative pressure box and a cam disc are respectively arranged at two ends of the rotating shaft, the cam disc comprises an inner disc body fixed relative to the rotating shaft and a plurality of outer disc bodies sleeved outside the inner disc body and arranged in parallel along the axial direction of the inner disc body, the inner disc body and the outer disc bodies are in meshed transmission through elastic teeth, the outer disc bodies are vertically connected with distance-adjusting transfer seats, the outer surfaces of the distance-adjusting transfer seats are provided with second negative pressure adsorption holes, each distance-adjusting transfer seat is respectively communicated with the negative pressure box through a negative pressure hose, and the outer surfaces of the distance-adjusting transfer seats are provided with permanent magnet parts; The welding platform comprises a welding hole, an ultrasonic welding head is correspondingly arranged below the welding hole, and an electromagnet is further arranged at the welding hole; During operation, the first distance-adjusting transfer seat rotates to be in contact with the O cutter roller, the first negative pressure is adsorbed Kong Shiya, the second negative pressure of the first distance-adjusting transfer seat adsorbs the liner cut by the O and carries the liner to rotate to the welding hole, the electromagnet starts to adsorb the permanent magnet part of the first distance-adjusting transfer seat, the elastic teeth of the outer disc body and the inner disc body corresponding to the first distance-adjusting transfer seat slide relatively, the first distance-adjusting transfer seat stays at the welding hole, the ultrasonic welding head welds the liner on the distance-adjusting transfer seat on the base cloth belt passing through the surface of the welding platform, and in the process, the rest distance-adjusting transfer seats continuously rotate along with the rotating shaft.
2. The continuous ultrasonic welding mechanism of a substrate and liner of claim 1, wherein the electromagnet comprises two electromagnets symmetrically disposed on either side of the ultrasonic horn.
3. The continuous ultrasonic substrate and liner welding mechanism of claim 1, wherein the resilient tooth has a semicircular cross section of the crest.
4. The continuous ultrasonic welding mechanism for substrates and liners according to claim 1, characterized in that the negative pressure box comprises a box body and a box cover in rotary sealing fit with the box body, the box body is fixed relative to a fixed frame, the box cover is fixed on a rotating shaft, and the negative pressure hose is connected to the box cover.
5. The continuous ultrasonic welding mechanism of claim 1, wherein the weld platform is made of a non-ferromagnetic material.
6. The continuous ultrasonic welding mechanism of a substrate and liner of claim 1, wherein the outer surface of the pitch-controlled transfer seat is arcuate.
7. The continuous ultrasonic welding mechanism of a substrate and liner of claim 1, wherein the pitch-controlled transfer block has a cavity therein, and wherein the negative pressure hose and the second negative pressure suction port are in communication with the cavity.
8. The continuous ultrasonic substrate and liner welding mechanism of claim 1, wherein the welding platform is positioned below the pitch transfer mechanism.

Description

Continuous ultrasonic welding mechanism for substrate and lining Technical Field The invention relates to a continuous ultrasonic welding mechanism for a substrate and a lining. Background In the process of producing and processing disposable underpants products such as infant trousers, menstrual trousers, adult trousers and the like, the disposable underpants products are generally produced in a mass production line, mainly knitted fabrics or non-woven fabrics are used as substrates to form the underpants body of the underpants, and elastic non-woven fabrics are used as inner liners and are attached to the positions of the inner trousers corresponding to the crotch of a human body. The method adopted for bonding and fixing the substrate and the lining comprises the steps of firstly gluing the substrate, then cutting out the elastic cloth lining by using an O cutter roller, transferring the cut elastic cloth lining to a underwear substrate coated with adhesive by using a distance-adjusting transfer roller, primarily fixing the substrate and the lining transferred to the substrate by the adhesive, and then welding the lining and the substrate which are mutually bonded together through ultrasonic waves, thereby realizing bonding and fixing between the substrate and the lining. This method has mainly the following problems: 1. Before ultrasonic welding is carried out on the substrate and the lining, glue is required to be applied between the substrate and the lining, and preliminary fixation is carried out between the substrate and the lining, so that the production cost is increased; 2. After the gel between the substrate and the lining is fixed, the gel can harden to influence the use experience, and the air permeability of the underpants can be reduced; 3. The inner lining and the substrate are welded and fixed through gluing, attaching and welding in sequence, and the processing steps are complicated. Disclosure of Invention The invention aims to provide a continuous ultrasonic welding mechanism for a substrate and a lining, which is capable of directly welding in the transferring process of utilizing a distance-adjusting transferring base without a gluing process, and the distance-adjusting transferring base is stopped at a welding station to serve as a welding base, so that a large number of processing procedures are simplified, the production efficiency is obviously improved, and the production cost is reduced. The technical scheme of the invention is that the continuous ultrasonic welding mechanism for the substrate and the lining comprises: The O cutting mechanism comprises a smooth roller and an O cutter roller, an O cutting gap for allowing the lining cloth belt to pass through is formed between the smooth roller and the O cutter roller, and a first negative pressure adsorption hole for adsorbing the lining after O cutting is formed in the peripheral surface of the O cutter roller; The distance-adjusting transfer mechanism comprises a rotating shaft, a negative pressure box and a cam disc are respectively arranged at two ends of the rotating shaft, the cam disc comprises an inner disc body fixed relative to the rotating shaft and a plurality of outer disc bodies sleeved outside the inner disc body and arranged in parallel along the axial direction of the inner disc body, the inner disc body and the outer disc bodies are in meshed transmission through elastic teeth, the outer disc bodies are vertically connected with distance-adjusting transfer seats, the outer surfaces of the distance-adjusting transfer seats are provided with second negative pressure adsorption holes, each distance-adjusting transfer seat is respectively communicated with the negative pressure box through a negative pressure hose, and the outer surfaces of the distance-adjusting transfer seats are provided with permanent magnet parts; The welding platform comprises a welding hole, an ultrasonic welding head is correspondingly arranged below the welding hole, and an electromagnet is further arranged at the welding hole; During operation, the first distance-adjusting transfer seat rotates to be in contact with the O cutter roller, the first negative pressure is adsorbed Kong Shiya, the second negative pressure of the first distance-adjusting transfer seat adsorbs the liner cut by the O and carries the liner to rotate to the welding hole, the electromagnet starts to adsorb the permanent magnet part of the first distance-adjusting transfer seat, the elastic teeth of the outer disc body and the inner disc body corresponding to the first distance-adjusting transfer seat slide relatively, the first distance-adjusting transfer seat stays at the welding hole, the ultrasonic welding head welds the liner on the distance-adjusting transfer seat on the base cloth belt passing through the surface of the welding platform, and in the process, the rest distance-adjusting transfer seats continuously rotate along with the rotating shaft. Based on the