CN215849719U - Ultrasonic welding device for assembling lens and cover body of large-eye window gas mask - Google Patents

Abstract

The utility model discloses an ultrasonic welding device for assembling a lens and a mask body of a large-eye window gas mask, and relates to the field of gas mask manufacturing. The device comprises a welding workbench and a device frame, wherein the upper part of the welding workbench is provided with a welding head mounting back plate, the middle part of the welding workbench is sequentially provided with a left welding head, a middle welding head and a right welding head from left to right, the middle welding head is vertically arranged, the left welding head and the right welding head are symmetrically and obliquely arranged by the middle welding head, the front end of the left welding head is provided with a left welding clamping fixture, the front end of the middle welding head is provided with a middle welding clamping fixture, and the front end of the right welding head is provided with a right welding clamping fixture; the middle position of the welding workbench is provided with a lens and cover body fixing table, the three clamping fixtures are opposite to the pointing lens and cover body fixing table, the shapes of the clamping fixtures are completely attached to an eye window structure, and the lower portion of the welding workbench is sequentially provided with a left welding head controller, a middle welding head controller and a right welding head controller from left to right. The utility model saves labor cost, improves assembly speed and improves assembly quality consistency.

Description

Ultrasonic welding device for assembling lens and cover body of large-eye window gas mask

Technical Field

The utility model relates to the field of manufacturing of gas masks, in particular to an ultrasonic welding device for assembling a lens and a mask body of a gas mask with a large eye window.

Background

The gas mask is a personal protective equipment for protecting respiratory organs, eyes and faces of people from toxic and harmful substances such as poison, biological warfare agent, bacteria weapon, radioactive dust and the like. The gas mask mainly comprises a filter element, a mask body, an eye window, an exhalation talking device, a head band and other parts, and the parts have respective duties and are in tacit cooperation. The eye window is an important component of the gas mask, has great influence on the physiological state and work of personnel in terms of the visual field retention rate of the mask and the matching of the mask and optical equipment. The gas mask on the existing market has a binocular window type and a monocular large-eye window type, however, the connection mode of the gas mask lens of any type of the window type and the cover body is formed by assembling the clamp through screws by manual work, but the existing technical defects mainly have: firstly, manual assembly cannot ensure the consistency of the product state; secondly, the cover body is inevitably clamped into the clamp assembly position in the manual assembly process; thirdly, the slow assembly speed affects the production rate. In view of the above, there is a need to improve the existing assembly process of the cover and the clamp.

Disclosure of Invention

The utility model provides an ultrasonic welding device for assembling a lens and a cover body of a large-eye window gas mask, aiming at solving the problems of low assembly precision, incapability of ensuring product consistency and low assembly speed of manual assembly in the process of assembling the cover body and a hoop of the conventional gas mask.

The utility model is realized by the following technical scheme: an ultrasonic welding device for assembling a large-eye window gas mask lens and a mask body comprises a welding workbench and a device frame, wherein the device frame is fixed on the periphery of the welding workbench, the upper part of the welding workbench is provided with a welding head mounting back plate, the middle part of the welding head mounting back plate is sequentially provided with a left welding head, a middle welding head and a right welding head from left to right, the middle welding head is vertically arranged, the left welding head and the right welding head are symmetrically and obliquely arranged by the middle welding head, the front end of the left welding head is provided with a left welding clamping fixture, the front end of the middle welding head is provided with a middle welding clamping fixture, and the front end of the right welding head is provided with a right welding clamping fixture; the middle position of the welding workbench is provided with a lens and a cover body fixing table, the left welding clamping fixture, the middle welding clamping fixture and the right welding clamping fixture are opposite to the directional lens and the cover body fixing table, the shapes of the clamping fixtures are completely attached to an eye window structure, the lower portion of the welding workbench is sequentially provided with a left welding head controller, a middle welding head controller and a right welding head controller from left to right, and the left welding head controller, the middle welding head controller and the right welding head controller respectively correspond to the left welding head, the middle welding head and the right welding head.

The utility model designs an ultrasonic welding device for assembling a lens and a mask body of a large-eye window gas mask, which adopts an unequal three-welding-head simultaneous welding mode. The device mainly comprises a welding workbench and a device frame, wherein the welding workbench is used for placing all welding tools and comprises a welding head, a welding clamping fixture and a welding head controller, the device frame is fixed at the periphery of the welding workbench and used for fixing and supporting, the upper part of the welding workbench is provided with a welding head installation back plate, the middle part of the welding head installation back plate is sequentially provided with a left welding head, a middle welding head and a right welding head from left to right, the middle welding head is vertically arranged, the left welding head and the right welding head are symmetrically and obliquely arranged by the middle welding head, so that the left welding clamping fixture at the front end of the left welding head, the middle welding clamping fixture at the front end of the middle welding head and the front end of the right welding head are provided with the right welding clamping fixture which can point to a lens and a cover body fixing table together, the lens and the cover body fixing table are fixed at the middle position of the welding workbench, and the left welding clamping fixture, the middle welding clamping fixture and the right welding clamping fixture are just opposite to the lens and cover body fixing table, and the shape of the mould is completely attached to the eye window structure, and the mould can be welded with the cover body around the lens during welding. The lower part of the welding workbench is sequentially provided with a left welding head controller, a middle welding head controller and a right welding head controller from left to right, the left welding head controller, the middle welding head controller and the right welding head controller respectively control the left welding head, the middle welding head and the right welding head, and welding parameters of the three welding heads, such as power, welding time, pressure maintaining time and the like, can be respectively adjusted. The utility model has the following specific operations: the left welding head controller, the middle welding head controller and the right welding head controller respectively adjust welding parameters of the left welding head, the middle welding head and the right welding head, then the lens is fixed on the lens and cover body fixing table, then the cover body and the lens are installed, finally the hoop is installed, the angle of the welding head is adjusted, the welding is started, the three welding heads act simultaneously, the eye window structure is attached during welding, and the welding is completed.

Compared with the prior art, the utility model has the following beneficial effects: the ultrasonic welding device for assembling the lens and the cover body of the large-eye-window gas mask is based on a mature plastic ultrasonic welding technology, combines the structural characteristics of the eye window of the gas mask, adopts an unequal three-welding-head simultaneous welding mode, solves the problems of uneven welding and lens clamp damage during welding when a welding head is integrally welded and two welding heads are simultaneously welded, and each welding head can respectively control the adjustment parameters so as to be convenient for adjusting equipment in actual use; the labor cost is saved, the assembly speed is improved, and the assembly quality consistency is improved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the eye window to which the present invention is welded.

The figures are labeled as follows: 1-left welding joint, 2-middle welding joint, 3-right welding joint, 4-right welding mould, 5-middle welding mould, 6-left welding mould, 7-lens and cover body fixing table, 8-right welding joint controller, 9-middle welding joint controller, 10-left welding joint controller, 11-welding workbench, 12-device frame, 13-welding joint mounting back plate and 14-eye window.

Detailed Description

The following describes an embodiment of the present invention with reference to the drawings.

An ultrasonic welding device for assembling a lens and a mask body of a gas mask for a large-eye window, as shown in figure 1: the welding device comprises a welding workbench 11 and a device frame 12, wherein the device frame 12 is fixed on the periphery of the welding workbench 11, the upper part of the welding workbench 11 is provided with a welding head installation back plate 13, the middle part of the welding head installation back plate 13 is sequentially provided with a left welding head 1, a middle welding head 2 and a right welding head 3 from left to right, the middle welding head 2 is vertically arranged, the left welding head 1 and the right welding head 3 are symmetrically and obliquely arranged by the middle welding head 2, the front end of the left welding head 1 is provided with a left welding clamping fixture 6, the front end of the middle welding head 2 is provided with a middle welding clamping fixture 5, and the front end of the right welding head 3 is provided with a right welding clamping fixture 4; a lens and cover body fixing table 7 is arranged in the middle of the welding workbench 11, the left welding mould 6, the middle welding mould 5 and the right welding mould 4 are opposite to the lens and cover body fixing table 7, and the shapes of the moulds are completely fit with an eye window structure; the lower part of the welding workbench 11 is sequentially provided with a left welding head controller 10, a middle welding head controller 9 and a right welding head controller 8 from left to right, and the left welding head controller 10, the middle welding head controller 9 and the right welding head controller 8 respectively correspond to the left welding head 1, the middle welding head 2 and the right welding head 3.

In this embodiment: the lengths of the welding lines of the left welding clamping fixture and the right welding clamping fixture are consistent, the welding line of the middle welding clamping fixture 5 is longer than the welding lines of the left welding clamping fixture and the right welding clamping fixture, so that the angle of a welding head can be adjusted, and the angle of the left welding head, the angle of the middle welding head and the angle of the right welding head meet the requirement of simultaneously welding and fitting the eye window structure.

The embodiment specifically operates as follows: the left welding head controller 10, the middle welding head controller 9 and the right welding head controller 2 respectively adjust welding parameters of the left welding head 1, the middle welding head 2 and the right welding head 3, then the lens is fixed on the lens and cover body fixing table 7, then the cover body and the lens are installed, finally the hoop is installed, the angle of the welding head is adjusted, welding is started, the three welding heads simultaneously act, and the clamping fixture is attached to an eye window structure during welding to finish welding.

The scope of the utility model is not limited to the above embodiments, and various modifications and changes may be made by those skilled in the art, and any modifications, improvements and equivalents within the spirit and principle of the utility model should be included in the scope of the utility model.

Claims (3)

1. The utility model provides an ultrasonic bonding device that is used for big eye window respirator lens and cover body assembly which characterized in that: the welding device comprises a welding workbench (11) and a device frame (12), wherein the device frame (12) is fixed on the periphery of the welding workbench (11), the upper part of the welding workbench (11) is provided with a welding head mounting back plate (13), the middle part of the welding head mounting back plate (13) is sequentially provided with a left welding head (1), a middle welding head (2) and a right welding head (3) from left to right, the middle welding head (2) is vertically arranged, the left welding head (1) and the right welding head (3) are symmetrically and obliquely arranged by the middle welding head (2), the front end of the left welding head (1) is provided with a left welding clamping fixture (6), the front end of the middle welding head (2) is provided with a middle welding clamping fixture (5), and the front end of the right welding head (3) is provided with a right welding clamping fixture (4); a lens and cover body fixing table (7) is arranged in the middle of the welding workbench (11), the left welding clamping fixture (6), the middle welding clamping fixture (5) and the right welding clamping fixture (4) are opposite to the lens and cover body fixing table (7), and the shapes of the clamping fixtures are completely fit with the eye window structure;

the lower part of the welding workbench (11) is sequentially provided with a left welding head controller (10), a middle welding head controller (9) and a right welding head controller (8) from left to right, and the left welding head controller (10), the middle welding head controller (9) and the right welding head controller (8) respectively correspond to the left welding head (1), the middle welding head (2) and the right welding head (3).

2. The ultrasonic welding apparatus for assembling a lens and a mask body of a large-eye window respirator according to claim 1, wherein: the lengths of the welding lines of the left and right welding clamping dies are consistent, and the welding line of the middle welding clamping die (5) is longer than the welding lines of the left and right welding clamping dies.

3. The ultrasonic welding apparatus for assembling a lens and a mask body of a large-eye window respirator according to claim 1, wherein: the angles of the left, middle and right welding joints meet the requirement of welding and fitting the eye window structure simultaneously.

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