CN216941855U

CN216941855U - Welding device for mask ear bands

Info

Publication number: CN216941855U
Application number: CN202220414976.3U
Authority: CN
Inventors: 李小燕
Original assignee: Dongguan Hongguan Technology Co ltd
Current assignee: Dongguan Hongguan Technology Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-07-12
Anticipated expiration: 2032-02-28

Abstract

The utility model belongs to the technical field of mask equipment, and particularly relates to a planar mask ear band welding device which comprises a mounting plate, a support frame, a lifting mechanism, two groups of welding pressure heads and two groups of ultrasonic welding mechanisms, wherein the mounting plate is fixedly connected with the support frame; the supporting frame is arranged on the mounting plate, and the lifting mechanism comprises a driving motor, a guide shaft, a top plate, a cam, a bottom plate and a connecting shaft; the driving motor is arranged on the supporting frame, a plurality of guide shafts vertically penetrate through the upper end of the supporting frame, the top plate is connected with the top end of each guide shaft, and the upper ends of the guide shafts are sleeved with compression springs and limited between the top plate and the supporting frame; the bottom plate is connected with the bottom ends of the guide shafts, the two groups of connecting shafts are oppositely arranged at the bottom end of the bottom plate, and the two groups of welding press heads are connected with the corresponding connecting shafts; a limiting piece extends from the bottom of the top plate, and the cam is arranged on a main shaft of the driving motor; two sets of ultrasonic fusion joining mechanism sets up the bottom at the mounting panel relatively, and ultrasonic fusion joining mechanism's butt fusion end position is in the bottom that corresponds the butt fusion pressure head.

Description

Gauze mask ear area butt fusion device

Technical Field

The utility model belongs to the technical field of mask production equipment, and particularly relates to a mask ear band welding device.

Background

The flat mask is an important epidemic prevention substance, and is formed by welding a plurality of layers of non-woven fabrics and melt-blown fabrics, and ear bands are welded on the mask. When the ear belt is welded on the mask, a welded pressure head needs to move downwards through a lifting mechanism, so that the pressure head presses the ear belt and the mask on the ultrasonic welding machine; the lifting mechanism for the current ear belt welding generally adopts pneumatic lifting or electric screw rod lifting; and adopt the cylinder to go up and down, it not only can lead to the noise big to the stability of operation is relatively poor, and adopts electric lead screw to go up and down, and the speed of its operation is slower, and electric lead screw is with high costs, and the position of stroke has the error when pushing down, consequently when welding the earlap on the gauze mask, the problem that earlap and gauze mask welding are insecure appears easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a mask ear band welding device which can quickly push a welding pressure head to press down and has good welding stability and no noise.

In order to achieve the purpose, the mask ear band welding device provided by the embodiment of the utility model comprises a mounting plate, a support frame, a lifting mechanism, two sets of welding pressure heads and two sets of ultrasonic welding mechanisms; the supporting frame is arranged on the mounting plate, and the lifting mechanism comprises a driving motor, a guide shaft, a top plate, a cam, a bottom plate and a connecting shaft; the driving motor is arranged on the supporting frame, a plurality of guide shafts vertically penetrate through the upper end of the supporting frame, the top plate is connected with the top end of each guide shaft, and a compression spring is sleeved at the upper end of each guide shaft and limited between the top plate and the supporting frame; the bottom plate is connected with the bottom ends of the guide shafts, two groups of connecting shafts are oppositely arranged at the bottom end of the bottom plate, and the two groups of welding press heads are connected with the corresponding connecting shafts; a limiting piece extends from the bottom of the top plate, and the cam is arranged on a main shaft of the driving motor, abuts against the upper end of the limiting piece and is used for pushing the limiting piece to descend; two sets of ultrasonic fusion mechanism sets up relatively the bottom of mounting panel, ultrasonic fusion mechanism's butt fusion end position corresponds the bottom of butt fusion pressure head.

Further, the welding pressure head comprises a connecting seat and two pressure rods, the connecting seat is arranged at the bottom end of the connecting shaft, and the two pressure rods are oppositely arranged at the bottom end of the connecting seat.

Furthermore, the bottom end of the connecting seat is provided with two mounting holes, two sides of the connecting seat are provided with screw locking holes, and the top of the connecting seat is provided with two adjusting connecting holes; the screw locking holes and the adjusting connecting holes are communicated with the corresponding mounting holes; the compression bar is arranged in the corresponding mounting hole, a locking screw penetrates through the screw locking hole to press the compression bar in the mounting hole, and an adjusting screw penetrates through the adjusting connecting hole to limit the top end of the compression bar.

Further, the bottom of mounting panel still is provided with adjusts the installation component, two ultrasonic fusion mechanism sets up adjust the installation component is last, it is used for adjusting to adjust the installation component ultrasonic fusion mechanism's height.

Furthermore, the adjusting and mounting assembly comprises four screw rods arranged at the bottom end of the mounting plate, adjusting nuts sleeved on the screw rods and a carrier plate penetrated by the screw rods, and the two ultrasonic welding mechanisms are arranged on the carrier plate.

Further, a heat radiation fan is further arranged on one side of each ultrasonic welding mechanism, and an air outlet of each heat radiation fan is obliquely and downwards arranged.

Further, one side of ultrasonic fusion mechanism is provided with the mounting panel, the mounting panel is the L type, and the contained angle is less than 90, radiator fan sets up on the mounting panel.

One or more technical schemes in the mask ear band welding device provided by the embodiment of the utility model at least have the following technical effects:

when the mask is supported on the welding part of the two ultrasonic welding mechanisms, the cam is driven to rotate through the driving motor, the cam extrudes the limiting piece, the top plate, the guide shaft and the bottom plate overcome the elasticity of the compression spring, the welding pressure head moves downwards, the ear band and the mask can be pressed on the ultrasonic welding mechanisms, and the welding of the ear band is completed; and adopt electronic cam structure to replace current cylinder and electronic lead screw, its not only efficient of going up and down, noiselessness to the minimum of butt fusion pressure head can remain always, and then has guaranteed the quality requirement of earlap butt fusion on the gauze mask.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a structural view of a mask ear band fusion apparatus according to an embodiment of the present invention.

Fig. 2 is a structural view of the other side of the mask ear band welding device according to the embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the utility model.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In one embodiment of the present invention, referring to fig. 1 and 2, a mask ear band fusion apparatus includes a mounting plate 100, a support frame 200, a lifting mechanism 300, two sets of fusion heads 400, and two sets of ultrasonic fusion mechanisms 500. The support frame 200 is disposed on the mounting plate 100, and the lifting mechanism 300 includes a driving motor 310, a guide shaft 320, a top plate 330, a cam 340, a bottom plate 350, and a connecting shaft 360. The driving motor 310 is disposed on the supporting frame 200, the plurality of guide shafts 320 vertically penetrate through the upper end of the supporting frame 200, the top plate 330 is connected to the top end of each guide shaft 320, and the upper end of each guide shaft 320 is sleeved with a compression spring 370 and limited between the top plate 330 and the supporting frame 200. The bottom plate 350 is connected to the bottom end of each guide shaft 320, two sets of connecting shafts 360 are oppositely disposed at the bottom end of the bottom plate 350, and two sets of welding rams 400 are connected to the corresponding connecting shafts 360. A limiting member 331 extends from the bottom of the top plate 330, and the cam 340 is disposed on the main shaft of the driving motor 310 and abuts against the upper end of the limiting member 331, so as to push the limiting member 331 to descend. Two sets of ultrasonic fusion mechanism 500 sets up relatively the bottom of mounting panel 100, ultrasonic fusion mechanism 500's butt fusion end is located and corresponds the bottom of butt fusion pressure head 400. When the mask is supported on the welding part of the two ultrasonic welding mechanisms 500, the cam 340 is driven to rotate by the driving motor 310, the cam 340 extrudes the limiting piece 331, the top plate 330, the guide shaft 320 and the bottom plate 350 overcome the elasticity of the compression spring 370, the welding pressure head 400 moves downwards, and then the ear band and the mask can be pressed on the ultrasonic welding mechanisms 500 to complete the welding of the ear band. And adopt electronic cam structure to replace current cylinder and electronic lead screw, its efficient of not only going up and down, noiselessness to the minimum of butt fusion pressure head can remain always, and then has guaranteed the requirement for quality of ear strap butt fusion on the gauze mask.

Further, referring to fig. 1 and 2, the welding ram 400 includes a connecting seat 401 and two pressing rods 402, the connecting seat 401 is disposed at a bottom end of the connecting shaft 360, and the two pressing rods 402 are oppositely disposed at the bottom end of the connecting seat 401. In this embodiment, when the ear band is welded to the mask, the ear band is pressed against the mask by the pressing lever 402.

Further, referring to fig. 1 and 2, the bottom end of the connecting seat 401 is provided with two mounting holes, two sides are provided with screw locking holes, and the top is provided with two adjusting connection holes. The screw locking hole and the adjusting connecting hole are communicated with the corresponding mounting holes; the compression bar 402 is arranged in the corresponding mounting hole, a locking screw penetrates through the screw locking hole to press the compression bar 402 in the mounting hole, and an adjusting screw penetrates through the adjusting connecting hole to limit the top end of the compression bar 402. In this embodiment, the pressing rod 402 is installed in the installation hole, and the locking screw is locked in the installation hole, when the position of the pressing rod 402 needs to be adjusted, the pressing rod 402 is pushed and limited by the adjusting screw at the top, and then the position of the pressing rod 402 is adjusted.

Further, referring to fig. 1 and 2, an adjusting and mounting assembly 600 is further disposed at the bottom of the mounting plate 100, two ultrasonic welding mechanisms 500 are disposed on the adjusting and mounting assembly 600, and the adjusting and mounting assembly 600 is used for adjusting the height of the ultrasonic welding mechanism 500.

Further, referring to fig. 1 and 2, the adjusting and mounting assembly 600 includes four screws 601 disposed at the bottom end of the mounting plate 100, an adjusting nut (not shown) sleeved on each screw 601, and a carrier plate 602 penetrated by each screw 601, and the two ultrasonic welding mechanisms 500 are disposed on the carrier plate 602. In this embodiment, the position of the carrier plate 602, and thus the ultrasonic welding mechanism 500, can be adjusted by changing the position of the adjusting nut.

Further, referring to fig. 1 and 2, a heat dissipation fan 700 is further disposed on one side of each ultrasonic welding mechanism 500, and an air outlet of the heat dissipation fan 700 is disposed obliquely downward. In this embodiment, cool down the heat dissipation of ultrasonic fusion mechanism 500 through radiator fan 700, and set up radiator fan 700 slope for the air current blows downwards, avoids the air current to upwards blow up the gauze mask, and influences the butt fusion of ear strap, and makes the air current form upper and lower convection current, makes the area of contact increase of ultrasonic fusion mechanism 500 and the air current that flows, and then increases the radiating effect.

Further, referring to fig. 1 and 2, a mounting plate 501 is arranged on one side of the ultrasonic welding mechanism 500, the mounting plate 501 is L-shaped, the included angle is smaller than 90 °, and the heat dissipation fan 700 is arranged on the mounting plate 501. And the heat radiation fan 700 may be obliquely disposed at one side of the ultrasonic welding mechanism 500.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A mask ear belt welding device is characterized by comprising a mounting plate, a support frame, a lifting mechanism, two sets of welding pressure heads and two sets of ultrasonic welding mechanisms; the supporting frame is arranged on the mounting plate, and the lifting mechanism comprises a driving motor, a guide shaft, a top plate, a cam, a bottom plate and a connecting shaft; the driving motor is arranged on the supporting frame, a plurality of guide shafts vertically penetrate through the upper end of the supporting frame, the top plate is connected with the top end of each guide shaft, and a compression spring is sleeved at the upper end of each guide shaft and limited between the top plate and the supporting frame; the bottom plate is connected with the bottom ends of the guide shafts, two groups of connecting shafts are oppositely arranged at the bottom end of the bottom plate, and the two groups of welding press heads are connected with the corresponding connecting shafts; a limiting piece extends from the bottom of the top plate, and the cam is arranged on a main shaft of the driving motor, abuts against the upper end of the limiting piece and is used for pushing the limiting piece to descend; two sets of ultrasonic fusion mechanism sets up relatively the bottom of mounting panel, ultrasonic fusion mechanism's butt fusion end position is in corresponding the bottom of butt fusion pressure head.

2. The mask ear band fusion apparatus according to claim 1, wherein: the welding pressure head comprises a connecting seat and two pressure rods, the connecting seat is arranged at the bottom end of the connecting shaft, and the two pressure rods are oppositely arranged at the bottom end of the connecting seat.

3. The mask ear band fusing apparatus of claim 2, wherein: the bottom end of the connecting seat is provided with two mounting holes, two sides of the connecting seat are provided with screw locking holes, and the top of the connecting seat is provided with two adjusting connecting holes; the screw locking hole and the adjusting connecting hole are communicated with the corresponding mounting holes; the compression bar is arranged in the corresponding mounting hole, a locking screw penetrates through the screw locking hole to press the compression bar in the mounting hole, and an adjusting screw penetrates through the adjusting connecting hole to limit the top end of the compression bar.

4. The mask ear band fusing apparatus of claim 1, wherein: the bottom of mounting panel still is provided with adjusts the installation component, two ultrasonic fusion mechanism sets up adjust the installation component is last, it is used for adjusting to adjust the installation component ultrasonic fusion mechanism's height.

5. The mask ear band fusing apparatus of claim 4, wherein: the adjusting and mounting assembly comprises four screw rods arranged at the bottom end of the mounting plate, adjusting nuts sleeved on the screw rods and a support plate penetrated by the screw rods, and the two ultrasonic welding mechanisms are arranged on the support plate.

6. The mask ear band welding apparatus according to any one of claims 1 to 5, characterized in that: and a heat radiation fan is further arranged on one side of each ultrasonic welding mechanism, and an air outlet of the heat radiation fan is obliquely and downwards arranged.

7. The mask ear band fusing apparatus of claim 6, wherein: one side of ultrasonic fusion joining mechanism is provided with the mounting panel, the mounting panel is the L type, and the contained angle is less than 90, radiator fan sets up on the mounting panel.