Mask ear band welding device

Abstract

The utility model discloses a mask ear band welding device which comprises a supporting frame, a welding mechanism and a pressing mechanism, and an upper guide rail and a lower guide rail are arranged on the side wall of the supporting frame. The welding mechanism comprises a first motor arranged on the side wall of the supporting frame, a first cam mechanism arranged at the output end of the first motor, a movable rod controlled by the first cam mechanism to ascend and descend in a reciprocating mode, an I-shaped frame arranged at the bottom of the movable rod, and a guide rod arranged on the side wall of the I-shaped frame. The pressing mechanism comprises a second motor arranged on the side wall of the supporting frame, a second cam mechanism arranged at the output end of the second motor, and a mounting frame controlled by the second cam mechanism to ascend and descend in a reciprocating mode. The cam mechanism replaces a crank rocker mechanism to move, and compared with the crank rocker mechanism, the cam mechanism has the advantages of being compact in structure, low in cost, few in fault and high in welding strength.

Description

Technical Field

[0001] The utility model relates to the technical field of mask processing, in particular to a mask ear strap welding device. Background Technique

[0002] A mask is a sanitary product, generally referring to a device worn over the mouth and nose to filter the air entering the mouth and nose, so as to block harmful gases, odors, and droplets from entering and leaving the mouth and nose of the wearer. A mask consists of a mask body and ear straps. After the mask body is integrally formed, it is connected to the ear straps by ultrasonic welding or other means.

[0003] This application designs a mask ear strap welding device, which uses a cam mechanism to replace the crank rocker mechanism for movement. The advantages of the cam mechanism compared to the crank rocker mechanism are compact structure, low cost, and few failures. Content of the Utility Model

[0004] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Simplifications or omissions may be made in this part, as well as in the abstract of the specification and the title of the utility model of this application, to avoid obscuring the purpose of this part, the abstract of the specification, and the title of the utility model. However, such simplifications or omissions shall not be used to limit the scope of the utility model.

[0005] In view of the above and / or problems existing in the use of the mask ear strap welding device, the present utility model is proposed.

[0006] Therefore, the purpose of the present utility model is to provide a mask ear strap welding device, which uses a cam mechanism to replace the crank rocker mechanism for movement. The advantages of the cam mechanism compared to the crank rocker mechanism are compact structure, low cost, few failures, and high welding strength.

[0007] To solve the above technical problems, according to one aspect of the present utility model, the following technical solutions are provided:

[0008] A mask ear strap welding device, comprising:

[0009] A support frame, on the side wall of which there are an upper guide rail and a lower guide rail;

[0010] Welding mechanism, the welding mechanism includes a first motor arranged on the side wall of the support frame, a first cam mechanism arranged at the output end of the first motor, a movable rod controlled to reciprocate up and down by the first cam mechanism, a "worker"-shaped frame arranged at the bottom of the movable rod, a guide rod arranged on the side wall of the "worker"-shaped frame, an adjusting frame arranged at the bottom of the guide rod, a welding head arranged on the side wall of the adjusting frame, and a buffer assembly arranged on the outer periphery of the movable rod; pressing mechanism, the pressing mechanism includes a second motor arranged on the side wall of the support frame, a second cam mechanism arranged at the output end of the second motor, a mounting frame controlled to reciprocate up and down by the second cam mechanism, a cross beam arranged on the side wall of the mounting frame, a height adjusting motor arranged on the side wall of the cross beam, a cylinder arranged at the output end of the height adjusting motor, and a pressing assembly controlled by the cylinder.

[0011] As a preferred solution of a mask earband welding device according to the present invention, wherein, support legs are arranged at the four corners of the bottom of the support frame, a radiator is arranged on the side wall of the first motor, a guide frame is arranged on the side wall of the support frame, a linear bearing is arranged on the side wall of the guide frame, and the guide rod moves along the linear bearing.

[0012] As a preferred solution of a mask earband welding device according to the present invention, wherein, the first cam mechanism includes a cam and a rocker arm arranged on the side wall of the cam, and the second cam mechanism includes a cam and a rocker arm arranged on the side wall of the cam.

[0013] As a preferred solution of a mask earband welding device according to the present invention, wherein, a slider that is movably matched with the rocker arm and moves along the upper guide rail is arranged on the side wall of the movable rod, and a slider that is movably matched with the mounting frame and moves along the lower guide rail is arranged on the side wall of the mounting frame.

[0014] As a preferred solution of a mask earband welding device according to the present invention, wherein, the pressing assembly includes an arc-shaped clamping plate fixedly arranged on the side wall of the cylinder and a pressing plate that moves radially along the arc-shaped clamping plate, the telescopic end of the cylinder is movably matched with the side wall of the pressing plate, and the cylinder is externally connected with a gas supply device through a trachea.

[0015] Compared with the prior art, the beneficial effects of the present invention are: for this mask earband welding device, through the setting of the upper guide rail and the lower guide rail, it is convenient for the movable rod and the mounting to stably lift. By driving the cam in the first cam mechanism to rotate through the first motor, the cam pulls the rocker arm, the rocker arm drives the slider and the movable rod to reciprocate up and down, and then drives the welding head to reciprocate up and down. By controlling the cam in the second cam mechanism to rotate through the second motor, the cam pulls the rocker arm, the rocker arm drives the slider and the mounting frame to reciprocate up and down, and then drives the pressing assembly to lift. The pressing assembly pushes the pressing plate through the cylinder, the pressing plate moves along the arc-shaped clamping plate, and the arc-shaped clamping plate cooperates with the pressing plate to press the welded mask earband welding point, improving the welding strength. Brief Description of the Drawings

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the present utility model will be described in detail below in conjunction with the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts. Among them:

[0017] Figure 1 is a schematic diagram of the overall structure of a mask earband welding device of the present utility model;

[0018] Figure 2 is a schematic diagram of a partial structure of the pressing mechanism of a mask earband welding device of the present utility model.

[0019] 100, support frame; 101, support leg; 110, guide frame; 120, upper guide rail; 130, radiator; 200, welding mechanism; 210, first motor; 220, first cam mechanism; 230, movable rod; 240, "I"-shaped frame; 250, guide rod; 260, adjusting frame; 270, welding head; 280, buffer assembly; 300, pressing mechanism; 310, second motor; 320, second cam mechanism; 330, mounting frame; 340, cross beam; 350, height adjusting motor; 360, cylinder; 370, pressing assembly. Detailed Embodiments

[0020] In order to make the above objects, features, and advantages of the present utility model more obvious and understandable, the specific embodiments of the present utility model will be described in detail below in conjunction with the drawings.

[0021] Secondly, the present utility model is described in detail in combination with the schematic diagrams. When detailing the embodiments of the present utility model, for the convenience of description, the cross-sectional views showing the device structure will not be enlarged locally in general proportion, and the schematic diagrams are only examples, which should not limit the protection scope of the present utility model herein. In addition, in actual production, three-dimensional spatial dimensions including length, width, and depth should be included.

[0022] In order to make the purpose, technical solutions, and advantages of the present utility model clearer, the embodiments of the present utility model will be further described in detail below in conjunction with the drawings.

[0023] The present utility model provides a mask earband welding device, which uses a cam mechanism to replace the crank rocker mechanism for movement. The advantages of the cam mechanism compared to the crank rocker mechanism are compact structure, low cost, few faults, and high welding strength.

[0024] Figure 1 - Figure 2Shown is a schematic structural diagram of an embodiment of a mask earband welding device of the present utility model. Please refer to Figure 1 - Figure 2 , a mask earband welding device in this embodiment, its main body part includes a support frame 100, a welding mechanism 200 and a pressing mechanism 300.

[0025] The support frame 100 is arranged through an upper guide rail 120 and a lower guide rail, facilitating the stable lifting of the movable rod 230 and the installation. Specifically, the side wall of the support frame 100 is provided with an upper guide rail 120 and a lower guide rail. In this embodiment, support legs 101 are arranged at the four corners of the bottom of the support frame 100, a radiator 130 is arranged on the side wall of the first motor 210, a guide frame 110 is arranged on the side wall of the support frame 100, linear bearings are arranged on the side wall of the guide frame 110, and the guide rod 250 moves along the linear bearings;

[0026] The welding mechanism 200 drives the cam in the first cam mechanism 220 to rotate through the first motor 210. The cam pulls the rocker arm, and the rocker arm drives the slider and the movable rod 230 to reciprocate up and down, thereby driving the welding head 270 to reciprocate up and down. Specifically, the welding mechanism 200 includes a first motor 210 arranged on the side wall of the support frame 100, a first cam mechanism 220 arranged at the output end of the first motor 210, a movable rod 230 controlled to reciprocate up and down through the first cam mechanism 220, a "worker"-shaped frame 240 arranged at the bottom of the movable rod 230, a guide rod 250 arranged on the side wall of the "worker"-shaped frame 240, an adjustment frame 260 arranged at the bottom of the guide rod 250, a welding head 270 arranged on the side wall of the adjustment frame 260, and a buffer assembly 280 arranged on the outer periphery of the movable rod 230. In this embodiment, the first cam mechanism 220 includes a cam and a rocker arm arranged on the side wall of the cam. A slider that is movably matched with the rocker arm and moves along the upper guide rail 120 is arranged on the side wall of the movable rod 230;

[0027] The pressing mechanism 300 controls the rotation of the cam in the second cam mechanism 320 through the second motor 310. The cam pulls the rocker arm, and the rocker arm drives the slider and the mounting bracket 330 to reciprocate up and down, thereby driving the pressing assembly 370 to move up and down. The pressing assembly 370 pushes the pressing plate through the air cylinder 360, and the pressing plate moves along the arc-shaped clamping plate. The arc-shaped clamping plate cooperates with the pressing plate to press the welded mask earband welding point, improving the welding strength. Specifically, the pressing mechanism 300 includes a second motor 310 arranged on the side wall of the support frame 100, a second cam mechanism 320 arranged at the output end of the second motor 310, a mounting bracket 330 controlled to reciprocate up and down by the second cam mechanism 320, a cross beam 340 arranged on the side wall of the mounting bracket 330, a height adjustment motor 350 arranged on the side wall of the cross beam 340, an air cylinder 360 arranged at the output end of the height adjustment motor 350, and a pressing assembly 370 controlled by the air cylinder 360. In this embodiment, the second cam mechanism 320 includes a cam and a rocker arm arranged on the side wall of the cam. A slider that is movably matched with the mounting bracket 330 and moves along the lower guide rail is arranged on the side wall of the mounting bracket 330. The pressing assembly 370 includes an arc-shaped clamping plate fixedly arranged on the side wall of the air cylinder 360 and a pressing plate that moves radially along the arc-shaped clamping plate. The telescopic end of the air cylinder 360 is movably matched with the side wall of the pressing plate. The air cylinder 360 is externally connected to a gas supply device through a trachea.

[0028] Combined Figure 1 - Figure 2 , for a mask earband welding device in this embodiment, the specific use process is as follows. Through the setting of the upper guide rail 120 and the lower guide rail, it is convenient for the movable rod 230 and the installation to move up and down stably. The first motor 210 drives the rotation of the cam in the first cam mechanism 220. The cam pulls the rocker arm, and the rocker arm drives the slider and the movable rod 230 to reciprocate up and down, thereby driving the welding head 270 to reciprocate up and down. The second motor 310 controls the rotation of the cam in the second cam mechanism 320. The cam pulls the rocker arm, and the rocker arm drives the slider and the mounting bracket 330 to reciprocate up and down, thereby driving the pressing assembly 370 to move up and down. The pressing assembly 370 pushes the pressing plate through the air cylinder 360, and the pressing plate moves along the arc-shaped clamping plate. The arc-shaped clamping plate cooperates with the pressing plate to press the welded mask earband welding point, improving the welding strength.

[0029] Although the present invention has been described above with reference to the embodiments, various improvements can be made to it and its components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention can be combined with each other in any way. The exhaustive description of these combinations is not given in this specification only for the sake of saving space and resources. Therefore, the present invention is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.

Claims

1. A mask earband welding device, characterized in that, Including: A support frame (100), on the side wall of which an upper guide rail (120) and a lower guide rail are provided. A welding mechanism (200), which includes a first motor (210) arranged on the side wall of the support frame (100), a first cam mechanism (220) arranged at the output end of the first motor (210), a movable rod (230) controlled to reciprocate up and down by the first cam mechanism (220), an "I"-shaped frame (240) arranged at the bottom of the movable rod (230), a guide rod (250) arranged on the side wall of the "I"-shaped frame (240), an adjustment frame (260) arranged at the bottom of the guide rod (250), a welding head (270) arranged on the side wall of the adjustment frame (260), and a buffer assembly (280) arranged on the outer periphery of the movable rod (230). A pressing mechanism (300), which includes a second motor (310) arranged on the side wall of the support frame (100), a second cam mechanism (320) arranged at the output end of the second motor (310), a mounting frame (330) controlled to reciprocate up and down by the second cam mechanism (320), a cross beam (340) arranged on the side wall of the mounting frame (330), a height adjustment motor (350) arranged on the side wall of the cross beam (340), a cylinder (360) arranged at the output end of the height adjustment motor (350), and a pressing assembly (370) controlled by the cylinder (360).

2. The mask ear strap welding device according to claim 1, characterized in that, Support legs (101) are arranged at the four corners of the bottom of the support frame (100). A radiator (130) is arranged on the side wall of the first motor (210). A guide frame (110) is arranged on the side wall of the support frame (100), and a linear bearing is arranged on the side wall of the guide frame (110). The guide rod (250) moves along the linear bearing.

3. The mask earband welding device according to claim 2, characterized in that, The first cam mechanism (220) includes a cam and a rocker arm arranged on the side wall of the cam. The second cam mechanism (320) includes a cam and a rocker arm arranged on the side wall of the cam.

4. The mask earband welding device according to claim 3, characterized in that, A slider that is movably matched with the rocker arm and moves along the upper guide rail (120) is arranged on the side wall of the movable rod (230). A slider that is movably matched with the mounting frame (330) and moves along the lower guide rail is arranged on the side wall of the mounting frame (330).

5. The mask earband welding device according to claim 4, characterized in that, The pressing assembly (370) includes an arc-shaped clamping plate fixedly arranged on the side wall of the cylinder (360) and a pressing plate that moves radially along the arc-shaped clamping plate. The telescopic end of the cylinder (360) is movably matched with the side wall of the pressing plate. The cylinder (360) is externally connected to a gas supply device through a trachea.

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