CN210789905U

CN210789905U - Labor protection earphone assembly system

Info

Publication number: CN210789905U
Application number: CN201921203374.8U
Authority: CN
Inventors: 陈韵扬; 陈思涵
Original assignee: Zhejiang University ZJU
Current assignee: Zhejiang University ZJU
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-06-19
Anticipated expiration: 2029-07-29

Abstract

The utility model belongs to the technical field of machinery, a labor protection earphone assembly system is related to, it has solved current labor protection earphone assembly inefficiency, intensity of labour big scheduling technical problem. This labor protection earphone includes ear muff and connecting piece. This labor protection earphone assembly system includes the frame, and the interval is provided with two sliders that can move in opposite directions in the frame, forms the station that is used for placing the ear muff between two sliders, is provided with the anchor clamps that are used for fixed connection spare on the slider, is provided with the driving source that can drive the slider motion in the frame, and the slider can be connected through the connecting piece realization of impressing with the ear muff bulge through the motion in opposite directions. Compared with the prior art, the utility model discloses a driving source drives the slider and removes the connection that realizes connecting piece and ear muff, and convenient operation is swift, and intensity of labour is lower, can effectively improve assembly efficiency.

Description

Labor protection earphone assembly system

Technical Field

The utility model belongs to the technical field of machinery, a labour protection earphone assembling system is related to.

Background

With the importance of enterprises on production safety, the use of labor protection earphones is completely popularized. For labour protection type earplug product, labour protection type wear-type noise control earphone travelling comfort is higher in the use.

As shown in fig. 1, a conventional work earphone generally includes two ear cups 802 and a connecting member 801 connecting the two ear cups 802. In the prior art, the production cost is higher during assembly, the installation process mainly depends on manual work, the connecting piece 801 needs to be broken off with a force during the installation process, the connecting piece 801 and the earmuffs 802 are installed through knocking with a hammer, and the requirements on the strength and proficiency of installation workers are high.

Disclosure of Invention

The utility model provides a labor protection earphone assembling system to the above-mentioned problem that prior art exists, the utility model aims to solve the technical problem that: how to reduce the assembly intensity of labour protection earphone, improve assembly efficiency.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a labor protection earphone assembly system, labor protection earphone includes ear muff and connecting piece, a serial communication port, labor protection earphone assembly system includes the frame, the interval is provided with two sliders that can move in opposite directions in the frame, forms the station that is used for placing the ear muff between two sliders, be provided with the anchor clamps that are used for fixed connection spare on the slider, be provided with in the frame and drive the driving source of slider motion, the slider can realize connecting in impressing the ear muff through the tip of motion in opposite directions with the connecting piece.

The working principle is as follows: during the use, place work piece 801 between two sliders earlier, drive anchor clamps by the slider and open work piece 801, when opening suitable position, put into anchor clamps with ear muff 802, aim at ear muff connecting portion, then drive the slider through the driving source and remove to make the bulge on the ear muff connector of impressing, realize connecting. Compared with the prior art, the automatic assembling machine has the advantages of convenience and rapidness in operation, low labor intensity and capability of improving the assembling efficiency. Compared with the prior art, in foretell labour protection earphone assembling system, be provided with linear slide rail in the frame, slider sliding connection is on linear slide rail, the driving source is including being fixed in the cylinder in the frame. The piston rod of the cylinder stretches out and draws back to drive the sliding block to move along the linear sliding rail.

In the labor protection earphone assembling system, the cylinder is connected with the sliding block through the floating joint, and an oil buffer is further arranged at one end, close to the sliding block, of the cylinder. After the floating joint is designed, certain part errors can be compensated, and the stability of the sliding block in operation is ensured; the hydraulic buffer is designed to play the role of buffering and shock absorption.

In the labor protection earphone assembling system, the slider is provided with a mounting plate, the mounting plate is provided with a square flange linear bearing, and the clamp is arranged on the square flange linear bearing. The square flange linear bearing is designed, when the connecting piece is traced during assembly, the square flange linear bearing can rotate along with the connecting piece, and therefore the clamp can rotate adaptively.

In the labor protection earphone assembling system, the connecting piece comprises a steel wire and a connector, the connector is fixed at the end part of the steel wire, and a mounting hole is formed in the connector; the fixture is characterized in that a holding tank for placing the connector is arranged on the fixture, a through hole communicated with the side wall of the holding tank is further formed in the fixture, when the connector is placed in the holding tank, the through hole can be aligned to the mounting hole in the connector, and a positioning pin which can be inserted into the mounting hole is further arranged on the fixture. After the holding tank is designed, the connector is convenient to place; after the positioning pin is designed, the connector can be positioned. In an above-mentioned labor protection earphone assembling system, labor protection earphone assembling system still includes limit baffle, limit baffle's one end with anchor clamps link firmly mutually, be provided with on the slider can with limit baffle supports the positioning baffle who leans on. Because when the assembly, anchor clamps need take place corresponding rotation along with the steel wire of connecting piece, consequently the design has the rotation angle that the locating baffle can restrict limit baffle, and then restricts limit baffle's rotation angle.

In foretell labor protection earphone assembly system, labor protection earphone assembly system still includes the extension spring, the one end of extension spring is connected with limit baffle, the other end of extension spring is connected with the slider through the dead lever. After the tension spring is designed, when the assembly is finished, the limiting baffle can reset under the action of the tension spring so as to carry out the next assembly.

Compared with the prior art, the utility model has the advantages of it is following:

1. the utility model realizes the connection of the connecting piece and the earmuffs by driving the slide block to move by the driving source, has convenient and rapid operation and lower labor intensity, and can effectively improve the assembly efficiency;

2. the square flange linear bearing is designed, when the connecting piece is traced during assembly, the square flange linear bearing can rotate along with the connecting piece, and therefore the clamp can rotate adaptively.

Drawings

Fig. 1 is a schematic structural diagram of the labor protection earphone in the embodiment.

Fig. 2 is a perspective view of the present mounting system in an embodiment.

FIG. 3 is a schematic structural view of the present clip in the example.

Fig. 4 is a top view of the present clip in an embodiment.

Fig. 5 is a schematic structural view of the present drive source in the embodiment.

In the figure, 1-1, a positioning pin; 1-2, a clamp; 1-3, a limit baffle; 1-4, accommodating a tank; 1-5, fixing plate; 1-6, square flange linear bearing; 2-1, positioning a baffle plate; 2-2, a tension spring; 2-3, fixing a rod; 2-4, mounting a plate; 3-1, floating joint; 3-2, a driving source; 3-3, an oil buffer; 3-4, a sliding block; 3-5, linear slide rail; 4. a frame; 801. A connecting member; 801-1, steel wire; 801-2, a connector; 802. ear muffs.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in figure 1, the labor protection earphone comprises an earmuff 802 and a connecting piece 801, wherein the connecting piece 801 comprises a steel wire 801-1 and a connecting head 801-2, the connecting head 801-2 is fixed at the end part of the steel wire 801-1, and the connecting head 801-2 is provided with a mounting hole.

As shown in fig. 2, 3, 4 and 5, the labor insurance earphone assembling system comprises a machine frame 4, two sliding blocks 3-4 capable of moving in opposite directions are arranged on the machine frame 4 at intervals, a station for placing an earmuff 802 is formed between the two sliding blocks 3-4, clamps 1-2 for fixing a connecting piece 801 are arranged on the sliding blocks 3-4, a driving source 3-2 capable of driving the sliding blocks 3-4 to move is arranged on the machine frame 4, and the sliding blocks 3-4 can press the end parts of the connecting piece 801 into the earmuff 802 through opposite movement to realize connection.

In addition, the driving source 3-2 can drive the sliding block 3-4 to move to open the steel wire piece 801-1, so that the connection between the connecting piece 801 and the ear muffs 802 is completed, the relative movement between the steel wire piece 801-1 and the connecting head 801-2 in the process of opening the connecting piece 801 is solved, the operation is convenient and rapid, the labor intensity is low, and the assembly efficiency can be effectively improved.

In this embodiment, the rack 4 is provided with a linear slide rail 3-5, the slider 3-4 is slidably connected to the linear slide rail 3-5, and the driving source 3-2 includes an air cylinder fixed on the rack 4. Preferably, the cylinder is connected with the sliding block 3-4 through a floating joint 3-1, and one end of the cylinder, which is close to the sliding block 3-4, is also provided with a hydraulic buffer 3-3.

In order to facilitate the opening deformation of the steel wire 801-1 during assembly, a fixing plate 1-5 is arranged on the sliding block 3-4, a square flange linear bearing 1-6 is arranged on the mounting plate 2-4, and a clamp 1-2 is arranged on the square flange linear bearing 1-6.

In order to facilitate the fixing, in this embodiment, the fixture 1-2 is provided with an accommodating groove 1-4 for placing the connector 801-2, the fixture 1-2 is further provided with a through hole communicated with a side wall of the accommodating groove 1-4, when the connector 801-2 is placed in the accommodating groove 1-4, the through hole can be aligned with the mounting hole on the connector 801-2, and the fixture 1-2 is further provided with a positioning pin 1-1 capable of being inserted into the mounting hole. Specifically, the positioning pin 1-1 consists of a pin and a spring, and plays a positioning role after the workpiece 8-2 enters the clamp 1-2, and the positioning pin internally comprises the spring and is convenient to retract when the protruding part of the ear muff 802 enters the round hole of the plastic connecting piece 801-2 in the installation process.

In order to realize reset, the mounting plate 2-4 is arranged on the sliding block 3-4, the limiting baffle 1-3 is arranged on the mounting plate 2-4, one end of the limiting baffle 1-3 is fixedly connected with the clamp 1-2, and the positioning baffle 2-1 capable of abutting against the limiting baffle 1-3 is arranged on the mounting plate 2-4. The device comprises a tension spring 2-2, wherein one end of the tension spring 2-2 is connected with a limiting baffle 1-3, and the other end of the tension spring 2-2 is connected with a mounting plate 2-4 through a fixing rod 2-3.

The working principle of the utility model is as follows: when the device is used, the connecting piece 801 is placed in the 1-2 clamp, and positioning is completed by the 1-1 positioning pin. The connecting piece 801 is opened by driving the sliding blocks 3-4 to move outwards through the air cylinders, when the sliding blocks 3-4 reach the extreme positions, the earmuffs 802 are placed between the two clamps 1-2, the sliding blocks 3-4 are driven to move inwards through the air cylinders in the accommodating grooves 1-4 of the clamps 1-2, and therefore the protruding parts of the earmuffs 802 are pressed into the connecting piece 801 to achieve connection. After the assembly is finished, the sliding blocks 3-4 continue to move inwards, and the distance between the two clamps 1-2 reaches a preparation station, namely the width of the steel wire 801-1 in a natural state. Ready for the next assembly.

The ear muffs 802 are placed between the two sliding blocks 3-4, the connecting pieces 801 are placed in the accommodating grooves 1-4 of the clamps 1-2 and aligned with the connecting parts of the ear muffs 802, and then the sliding blocks 3-4 are driven by the air cylinders to move, so that the convex parts of the ear muffs 802 are pressed into the connecting pieces 801 to realize connection. The cylinder can complete two processes on the same linear slide rail 3-5: firstly, the connecting piece 801 is opened to achieve an assembling state; secondly, the protruding parts on the two sides of the ear cup 802 are pressed into the connecting piece 801, and the assembly is completed.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a labor protection earphone assembly system, the labor protection earphone includes ear muff (802) and connecting piece (801), its characterized in that, labor protection earphone assembly system includes frame (4), the interval is provided with two slider (3-4) that can move in opposite directions on frame (4), forms the station that is used for placing ear muff (802) between two slider (3-4), be provided with anchor clamps (1-2) that are used for fixed connecting piece (801) on slider (3-4), be provided with on frame (4) and drive source (3-2) that can drive slider (3-4) motion, slider (3-4) can realize connecting through pressing in connecting piece (801) ear muff (802) bulge in the motion in opposite directions.

2. Labor earphone assembly system according to claim 1, wherein the frame (4) is provided with linear slides (3-5), the slide (3-4) is slidably connected to the linear slides (3-5), and the driving source (3-2) comprises a cylinder fixed to the frame (4).

3. Labor earphone assembly system according to claim 2, wherein the cylinder is connected to the slider (3-4) by a floating joint (3-1), and a hydraulic buffer (3-3) is further provided at the end of the cylinder close to the slider (3-4).

4. Labor earphone assembly system according to claim 1 or 2 or 3, wherein the slide (3-4) is provided with a fixed plate (1-5) and a mounting plate (2-4), the mounting plate (2-4) is provided with a square flange linear bearing (1-6), and the clamp (1-2) is provided on the square flange linear bearing (1-6).

5. The labor insurance earphone assembly system according to claim 4, wherein the connecting piece (801) comprises a steel wire (801-1) and a connecting head (801-2), the connecting head (801-2) is fixed at the end of the steel wire (801-1), and the connecting head (801-2) is provided with a mounting hole; the fixture comprises a fixture (1-2), wherein the fixture (1-2) is provided with a containing groove (1-4) for containing a connector (801-2), the fixture (1-2) is further provided with a through hole communicated with the side wall of the containing groove (1-4), when the connector (801-2) is placed in the containing groove (1-4), the through hole can be aligned to a mounting hole in the connector (801-2), and the fixture (1-2) is further provided with a positioning pin (1-1) which can be inserted into the mounting hole.

6. The labor protection earphone assembly system according to claim 5, wherein the mounting plate (2-4) is provided with a limit baffle (1-3), one end of the limit baffle (1-3) is fixedly connected with the clamp (1-2), and the mounting plate (2-4) is provided with a positioning baffle (2-1) which can be abutted against the limit baffle (1-3).

7. The labor earphone assembly system according to claim 6, further comprising a tension spring (2-2), wherein one end of the tension spring (2-2) is connected with the limit baffle (1-3), and the other end of the tension spring (2-2) is connected with the mounting plate (2-4) through a fixing rod (2-3).