WO2023045380A1

WO2023045380A1 - Pressure maintaining apparatus for earphone shell flat cable assembling, and pressure maintaining device

Info

Publication number: WO2023045380A1
Application number: PCT/CN2022/095598
Authority: WO
Inventors: 马明军; 任晓星; 彭威
Original assignee: 苏州佳祺仕信息科技有限公司
Priority date: 2021-09-27
Filing date: 2022-05-27
Publication date: 2023-03-30
Also published as: CN113858110B; CN113858110A

Abstract

Disclosed in the present invention is a pressure maintaining apparatus for earphone shell flat cable assembling, comprising a shell positioning assembly and a pressure maintaining assembly. The pressure maintaining assembly comprises a pressure maintaining air pouch, a slide control mechanism, an air pouch positioning mechanism and a fluid control assembly; the pressure maintaining air pouch comprises a pressure maintaining portion, and the fluid control assembly is communicated with the pressure maintaining air pouch for delivering a fluid to the pressure maintaining air pouch, so that the pressure maintaining portion expands from an original state to a pressure maintaining state; the outer diameter of the pressure maintaining portion in the original state is smaller than that of an assembling opening of an earphone shell; and when the pressure maintaining portion is located in the earphone shell in the pressure maintaining state, a flat cable is abutted against the inner wall of the earphone shell. By continuously maintaining pressure after the earphone flat cable is mounted by using an expandable pressure maintaining air pouch, sufficient pressure can be fully applied to the flat cable located in the narrow space, so that the flat cable attachment effect is good, and the efficiency and stability of earphone assembling are significantly improved.

Description

A pressure-holding device and pressure-holding equipment for cable assembly of earphone shells

technical field

The invention relates to the field of earphone assembly, in particular to a pressure-holding device and pressure-holding equipment for cable assembly of earphone shells.

Background technique

As a necessary accessory for smart phones and other digital players, earphones are also being updated day by day, and become an indispensable necessity for people to enjoy audio-visual multimedia entertainment life. Correspondingly, the requirements for the assembly equipment of earphones are getting higher and higher.

In the assembly process of electronic components of some earphones, it is necessary to install the flexible cable into the narrow space channel of the earphone shell, and it is necessary to maintain a certain pressure on the flexible cable within a preset time, so that it can be separated from the inner wall of the earphone shell. Full fit. Under normal circumstances, the mechanism used for pressure maintenance needs to be inserted into the earphone hole to press the mobile phone shell and flexible cable to complete the pressure maintenance. Since the earphone hole is relatively small, the mechanism is difficult to realize. In a limited space, if you want to realize The pressure-holding function requires complex mechanisms and the workpiece is not easy to manufacture, and the force of the internal structure is also difficult to control. Therefore, it is necessary to provide an improved pressure retaining assembly suitable for assembling flexible cables in the narrow space of the earphone housing to solve the above technical problems.

Contents of the invention

In order to solve the above technical problems, the first aspect of the present invention provides a pressure maintaining device for cable assembly of earphone housings, including a housing positioning component and a pressure maintaining component;

The housing positioning assembly is used to clamp the earphone housing equipped with a cable;

The pressure maintaining component includes a pressure maintaining airbag, a sliding control mechanism, an airbag positioning mechanism and a fluid control component;

The airbag positioning mechanism is used to fix the pressure-maintaining airbag so that when the housing positioning assembly clamps the earphone housing, the pressure-maintaining airbag corresponds to the assembly opening position of the earphone housing;

The sliding control mechanism is used to control the airbag positioning mechanism to be relatively close to or far away from the housing positioning assembly;

The pressure-maintaining airbag includes a pressure-maintaining part, and the fluid control assembly communicates with the pressure-maintaining airbag for delivering fluid to the pressure-maintaining airbag so that the pressure-maintaining part expands from an original state to a pressure-maintaining state ; the outer diameter of the pressure holding part in the original state is smaller than the outer diameter of the assembly opening of the earphone housing; The inner wall of the earphone housing.

Further, the pressure retaining part is cylindrical and includes an end part made of hard material and a side wall made of elastic polymer material.

Further, the pressure maintaining airbag includes a cylindrical pressure maintaining part and an airbag installation protrusion, the airbag installation protrusion is a step provided at the bottom of the pressure maintaining part, and the airbag positioning mechanism includes a first airbag positioning member and a second airbag locator, the first airbag locator includes an installation through hole and a limiting groove at the bottom of the installation through hole, the pressure retaining part passes through the installation through hole and the airbag installation protrusion and The limiting groove abuts, and the first airbag positioning part and the second airbag positioning part clamp and limit the airbag installation protrusion in the limiting groove.

Further, the airbag installation protrusion is made of elastic material, and the thickness of the airbag installation protrusion is greater than that of the limiting groove.

Further, the first airbag positioning member and the second airbag positioning member are relatively fixedly connected by a quick clip mechanism, and the first airbag positioning member and/or the second airbag positioning member are provided with an extrusion slope on the outside, A clamping slope matching the extrusion slope is provided inside the quick clamping mechanism.

Further, the second airbag positioning member is provided with an air delivery through hole in communication with the installation through hole, and the fluid control assembly delivers fluid to the pressure maintaining airbag through the air delivery through hole.

Further, the fluid control assembly includes a gas delivery tube, the gas delivery tube is at least partially located in the pressure-maintaining airbag after passing through the gas delivery hole, and the side wall of the gas delivery tube is provided with a plurality of fluid channels. hole.

Further, the airbag positioning mechanism further includes a rotating shaft, and the rotating shaft is used to adjust the rotation angle of the pressure maintaining airbag.

Further, a fluid heating device is provided on the fluid control assembly, and the fluid heating device is used for heating the fluid delivered by the fluid control assembly to the pressure-maintaining airbag.

In a second aspect, the present application provides a pressure-holding device, including a rotating device, a mounting base, and at least three pressure-holding devices as described above;

The mounting seat is provided with a loading and unloading station, and the loading and unloading station is relatively fixed with the mounting seat;

The rotating device is arranged on the mounting seat, and the rotating device includes a rotating disk and a driving mechanism; at least three of the pressure maintaining devices are evenly arranged on the rotating disk at intervals along the circumferential direction, and the driving mechanism can drive The rotation of the rotating disk drives the pressure maintaining device to rotate around the axis of the rotating disk.

Implementing the present invention has the following beneficial effects:

(1) By using an inflatable pressure-holding airbag to continuously maintain the pressure after the headphone cable is installed, and cooperate with the shell positioning component that can realize the alignment between the earphone shell and the pressure-holding airbag, it can be fully aligned in a narrow space Fully pressurize the inner cable, the final cable bonding effect is good, and the efficiency and stability of earphone assembly are significantly improved.

(2) The airbag installation projection is made of elastic material, and its thickness is greater than the limit groove. The airbag installation projection of the airbag positioning mechanism is clamped and limited in the limit groove by the first airbag locator and the second airbag locator. When inside, the first airbag locating part and the second airbag locating part fit together, and the airbag installation protrusion is compressed in the limiting groove, and is in a compressed state, so that the pressure-maintaining airbag is clamped more stably.

(3) When the clamping grooves of the two clamping parts of the quick-clamping mechanism are attached to the flanges of the first airbag positioning part and the second airbag positioning part and are closed, by squeezing the matching clamping slope, The quick-clamp mechanism can exert pressing force on the first airbag locating part and the second airbag locating part so as to apply pressure to the airbag installation protrusion and make it compress into the limiting groove.

(4) The fluid heating device can heat the gas used to inflate the pressure-maintaining airbag, so that the temperature of the pressure-maintaining airbag increases during the process of applying pressure to the cable, further promoting the bonding effect.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Accompanying drawing 1 is the overall structure schematic diagram of the embodiment of the present application;

Accompanying drawing 2 is the top view of Fig. 1;

Accompanying drawing 3 is the schematic structural diagram of the rotating device of the embodiment of the present application;

Accompanying drawing 4 is the structural schematic diagram of the housing positioning assembly of the embodiment of the present application;

Accompanying drawing 5 is the partial enlarged view of Fig. 4;

Accompanying drawing 6 is the schematic structural diagram of the pressure maintaining assembly of the embodiment of the present application;

Accompanying drawing 7 is the structure diagram of another view angle of the pressure holding component of the embodiment of the present application;

Figure 8 is a schematic diagram of the alignment between the pressure maintaining component and the housing positioning component according to the embodiment of the present application;

Accompanying drawing 9 is the schematic diagram of the principle when the pressure-holding airbag is replaced and disassembled according to the embodiment of the present application;

Accompanying drawing 10 is the sectional view of Fig. 7;

Accompanying drawing 11 is the partial enlarged view of Fig. 10;

Accompanying drawing 12 is the schematic diagram of the structure of the pressure-maintaining air bag.

The corresponding reference signs of the application are as follows:

Turning device 1, turntable 11, turntable drive assembly 12;

Pressure holding device 2, housing positioning assembly 21, clamping drive device 211, first positioning assembly 212, second positioning member assembly 213, pressure holding assembly 22, pressure holding airbag 221, pressure holding part 2211, airbag installation protrusion 2212 , sliding control mechanism 222, airbag positioning mechanism 223, first airbag positioning part 2231, second airbag positioning part 2232, quick clip mechanism 2233, rotating shaft 2234 fluid control assembly 224, body delivery pipe 2241, fluid heating device 2242, gas delivery Port 2243, pressure relief valve 2244;

Mounting seat 3, alignment device 4, earphone case 5, and cable 6.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention. Examples of the described embodiments are shown in the drawings, wherein like or similar reference numerals designate like or similar elements or elements having the same or similar functions throughout.

This application aims to solve the problem that in the prior art, due to the relatively small earphone hole, the mechanism is difficult to realize. In a limited space, if you want to realize the pressure maintaining function, the required mechanism is more complicated and the workpiece is not easy to manufacture, and the force of the internal structure is also relatively difficult. Difficult to control, through the use of inflatable pressure-holding airbags to continuously maintain the pressure after the headphone cable is installed, and cooperate with the shell positioning component that can realize the alignment between the earphone shell and the pressure-holding airbag, it can be fully aligned in a narrow space Fully pressurize the inner cable, the final cable bonding effect is good, and the efficiency and stability of earphone assembly are significantly improved.

Specifically, the corresponding effects are described in conjunction with the following examples:

Example 1

As shown in Figure 1-12, in this embodiment, a pressure maintaining device 2 for cable assembly of earphone shells is provided. The pressure maintaining device 2 belongs to a part of the pressure maintaining equipment, and the pressure maintaining equipment also includes a rotating device 1 , Mounting seat 3 and, pressure maintaining device 2.

The pressure-holding device 2 is used for continuously applying pressure to the cable 6 for a preset time after the cable 6 is assembled into the cavity of the earphone housing 5 , so that the cable 6 can be fully fitted and fixed on the earphone housing 5 .

Specifically, the pressure maintaining device 2 includes a housing positioning component 21 and a pressure maintaining component 22; the housing positioning component 21 is used to clamp the earphone housing 5 equipped with the cable 6, and the pressure maintaining component 22 is used to align the earphone housing The cable 6 of the part in the 5 chamber carries out continuous pressure application.

In this embodiment, the housing positioning assembly 21 specifically includes a first positioning assembly 212, a clamping drive device 211 and a second positioning member assembly 213; the first positioning assembly 212 is used to accommodate and position the earphone housing 5; The holding drive device 211 can drive the second positioning assembly 213 to move towards the first positioning assembly 212, so that the second positioning assembly 213 can limit the earphone housing 5 arranged on the first positioning assembly 212, so that the earphone housing 5 equipped with a row The earphone housing 5 of the wire 6 is placed in the housing positioning assembly 21, so as to facilitate the pressure-holding positioning in the next step.

Further, the pressure maintaining component 22 includes a pressure maintaining airbag 221, a sliding control mechanism 222, an airbag positioning mechanism 223 and a fluid control component 224;

Wherein, the airbag positioning mechanism 223 is used to fix the above-mentioned pressure-maintaining airbag 221, so that when the housing positioning assembly 21 clamps the earphone housing 5, the pressure-maintaining airbag 221 corresponds to the assembly opening position of the earphone housing 5, thereby This enables the pressure-maintaining airbag 221 to accurately enter the assembly opening of the earphone housing 5 when it is driven forward, and the cable 6 is located between the inner wall of the assembly opening of the earphone housing 5 and the pressure-maintaining airbag 221.

The slide control mechanism 222 is used to control the airbag positioning mechanism 223 to move closer or farther away from the housing positioning assembly 21 , so as to drive the pressure-maintaining airbag 221 to enter or exit the assembly opening of the earphone housing 5 .

The pressure maintaining airbag 221 specifically includes a pressure maintaining part 2211, and the fluid control assembly 224 communicates with the pressure maintaining airbag 221 for delivering fluid to the pressure maintaining airbag 221, so that the pressure maintaining part 2211 expands from the original state to the pressure maintaining state; The outer diameter of the pressure part 2211 in the original state is smaller than the outer diameter of the assembly opening of the earphone housing 5; The inflatable pressure-holding airbag maintains the pressure continuously after the headphone cable is installed, and cooperates with the shell positioning component that can realize the alignment between the earphone shell and the pressure-holding airbag, which can fully control the cable in a narrow space. Sufficient pressure is applied, and the final cable bonding effect is good, and the efficiency and stability of earphone assembly are significantly improved.

In this embodiment, further, the pressure maintaining portion 2211 of the pressure maintaining airbag 221 is cylindrical, so that the pressure maintaining airbag 221 can evenly press against the cable when inflated. Preferably, the pressure retaining part 2211 includes an end made of a hard material and a side wall made of an elastic polymer material. For example, the end of the pressure retaining part 2211 can be made of hard plastic, which is relatively easy to align accurately And it extends into the mounting hole of the earphone housing, and the side wall is made of elastic polymer material, such as elastic rubber, which is convenient for inflation. When inflated, the sidewall surrounding the end of the hard material will produce a stable deformation, thereby maintaining the pressure on the cable. In other embodiments, the end portion and the side wall of the pressure retaining portion 2211 may also be integrally formed of the same material, which is convenient for processing and assembly.

Further preferably, the pressure-holding airbag 221 includes, in addition to the cylindrical pressure-holding portion 2211, an airbag installation protrusion 2212. The airbag installation protrusion 2212 is a step at the bottom of the pressure-retaining portion 2211, and the airbag installation protrusion 2212 passes through the step. Type of assembly, and air bag positioning mechanism 223 to form a limit installation.

Specifically, the airbag positioning mechanism 223 includes a first airbag positioning part 2231 and a second airbag positioning part 2232. The first airbag positioning part 2231 includes a mounting through hole and a limiting groove at the bottom of the mounting through hole. The diameter matches the inner diameter of the installation through hole, and the outer diameter of the airbag installation protrusion 2212 matches the inner diameter of the limiting groove.

The pressure retaining part 2211 passes through the installation hole and the airbag installation protrusion 2212 abuts against the limiting groove, and the first airbag positioning part 2231 and the second airbag positioning part 2232 clamp and limit the airbag installation protrusion 2212 in the limiting groove Inside. Further preferably, the airbag installation projection 2212 is made of elastic material, and the thickness of the airbag installation projection 2212 is greater than the limit groove, and the airbag installation projection 2212 of the airbag positioning mechanism 223 is fixed by the first airbag positioning member 2231 and the second airbag positioning member 2231. When the airbag positioning part 2232 is clamped and limited in the limiting groove, the first airbag positioning part 2231 and the second airbag positioning part 2232 fit together, and the airbag installation protrusion 2212 is compressed in the limiting groove, and is in a compressed state , so that the pressure-holding air bag 221 is clamped more stably.

The pressure-maintaining airbag 221 will age and fail after being used for many times, so it needs to be replaced in time and quickly. The replacement condition is based on the use here. When the preset number of times of use is exceeded, the pressure-maintaining airbag 221 is replaced in time. In addition, in order to prevent accidental damage to the pressure-maintaining airbag 221 during use, in this embodiment, preferably, an air pressure sensor is also provided to detect the air pressure in the cavity of the pressure-maintaining airbag 221. The controller of the pressure-holding equipment is electrically connected. When in use, when the air pressure sensor detects that the air pressure in the cavity of the pressure-maintaining airbag 221 is abnormal, it can feed back to the controller in time, so that the machine stops working, and at the same time reminds the replacement of the pressure-maintaining airbag.

In this embodiment, quick replacement is realized through the quick clamping mechanism 2233. Specifically, the quick clamping mechanism 2233 includes two clamping pieces hinged at one end, and the other ends of the two clamping pieces can be detachably fixedly connected. In the example, the detachable fixing is realized by using snap bolts.

The two clamping parts of the quick clamping mechanism 2233 include a clamping groove, and the width of the clamping groove is equal to the sum of the widths of the flanges of the first airbag positioning part 2231 and the second airbag positioning part 2232, so the two can be clamped Tightly defined in the clamping groove, so that the first airbag positioning part 2231 and the second airbag positioning part 2232 are relatively fixedly connected through the quick clip mechanism 2233, as shown in FIG. 11 .

The outer side of the first airbag positioning part 2231 and/or the second airbag positioning part 2232 is provided with an extruding inclined surface, and the inner side of the quick clamp mechanism 2233 is provided with a clamping inclined surface matching the extruding inclined surface, and the clamping inclined surface is specifically arranged on the location of the first airbag. The flange side wall of the part 2231 and/or the second airbag positioning part 2232, the clamping slope is provided at the corresponding position of the two clamping parts including the clamping groove. Therefore, when the clamping grooves of the two clamping parts of the quick clamping mechanism 2233 fit against the flanges of the first airbag positioning part 2231 and the second airbag positioning part 2232 and are closed, the matching clamping of the pressing slope will On the inclined plane, the quick clip mechanism 2233 can press the first airbag locating part 2231 and the second airbag locating part 2232 to achieve a pressing force that fits them together, thereby applying pressure to the airbag installation protrusion 2212 to compress it into the limiting groove .

In this embodiment, in order to realize the inflation of the pressure-maintaining airbag 221, the second airbag positioning member 2232 is provided with an air delivery through hole that communicates with the installation through hole, and the fluid control assembly 224 delivers fluid to the pressure-maintaining airbag 221 through the air delivery through hole. Specifically, the fluid control assembly 224 includes a gas delivery tube 2241, and the gas delivery tube 2241 is at least partially located in the pressure-maintaining airbag 221 after passing through the gas delivery through hole. The side wall of the gas delivery tube 2241 is provided with a plurality of fluid through holes, preferably , the fluid through holes are evenly distributed on the side wall of the body delivery tube 2241 located inside the pressure maintaining air bag 221 . The use of multiple fluid through holes makes inflation more rapid and uniform, achieving fast and stable pressure on the cable. And at the same time, the fluid control assembly 224 is also electrically connected to the controller of the pressure maintaining device of the present application. When the air pressure sensor detects that the inflation reaches the preset pressure, the further inflation of the fluid control assembly 224 can be stopped in time, and the stable pressure can be maintained to the preset pressure. duration.

In this embodiment, the fluid control assembly 224 is inflated through the gas delivery port 2243, and the pressure relief valve 2244 is exhausted. Both the gas delivery port 2243 and the pressure relief valve 2244 are in communication with the gas delivery pipe 2241. Specifically, in this embodiment, The gas delivery pipe 2241 is provided with a ventilation plug, and the ventilation plug is located on the gas delivery pipeline between the gas delivery port 2243 and the pressure relief valve 2244 .

In addition, in this embodiment, in order to further improve the bonding efficiency of the cable and the earphone case, a fluid heating device 2242 is also provided to heat the gas used to inflate the pressure maintaining airbag 221, so that the pressure maintaining airbag 221 221 increases the temperature during the process of applying pressure to the cable, further promoting the bonding effect. In the prior art, it is generally used to pre-heat the cable, or to heat the outside of the earphone shell. The heating method in this embodiment enables the earphone cable located in a narrow space to be heated after bonding, and the heating effect is more sufficient and uniform. . In other embodiments, the gas mentioned above can also be replaced by other fluids, which are selected based on usage scenarios and convenience.

Further, in this application, the airbag positioning mechanism 223 also includes a rotation shaft 2234, which is used to adjust the rotation angle of the pressure-maintaining airbag 221, so as to adapt to the specific fitting angle of the cable 6.

Example 2:

In this embodiment, a pressure maintaining device is provided, including a rotating device 1, a mounting base 3 and at least three pressure maintaining devices 2;

The mounting seat 3 is provided with a loading and unloading station, and the loading and unloading station is relatively fixed with the mounting seat 3;

The rotating device 1 is arranged on the mounting base 3, and the rotating device 1 includes a rotating disk 11 and a driving mechanism; at least three pressure maintaining devices 2 are evenly arranged on the rotating disk 11 at intervals along the circumferential direction, and the driving mechanism can drive the rotating disk 11 to rotate, and then Drive the pressure maintaining device 2 to rotate around the axis of the rotating disk 11;

It should be noted that: in this embodiment, at least three pressure-holding devices 2 are evenly spaced around the rotating disk, which can improve the space ratio of the equipment and the efficient utilization of the equipment; and place each pressure-holding device The earphone housing 5 on the 2 can perform alignment, pressure maintaining and material retrieving operations in sequence, while the pressure maintaining device 2 keeps the pressure on the cable 6 as the rotating disk 11 rotates; this reduces the number of cables in the earphone housing 5. 6 When the pressure is maintained, other stations need to wait, which reduces the waiting time consumption of other stations, shortens the production cycle, improves production efficiency, and saves production costs.

Wherein, the loading and unloading station is used for the operator to place or remove the earphone housing 5, and the pressure holding device is provided with a position for the operator to stand or an opening for the operator to operate.

In some possible embodiments, an alignment station is also provided on the mounting base 3;

An alignment device 4 is provided on the alignment station, and the alignment device 4 is used to obtain the position information of the earphone housing 5 and the position information of the cable 6 .

Specifically, the alignment station is used for the alignment device 4 to acquire the position information of the earphone case 5 and the cable 6 respectively.

The alignment device 4 includes an image acquisition device, which is used to acquire the position information of the earphone housing 5 and the position information of the cable 6 on the pressure holding device corresponding to the position of the alignment station on the rotating disk 11 .

The loading and unloading station and the alignment station are sequentially arranged on the mounting seat 3 at intervals; at least three pressure maintaining devices 2 on the rotating disk 11, at least three pressure maintaining devices 2 are evenly arranged on the rotating disk 11 at intervals along the circumferential direction, and The angle between two adjacent pressure maintaining devices 2 is the first angle;

Preferably, in this embodiment, the angle between the alignment station and the loading and unloading station is equal to the first angle; that is, the rotating disk 11 drives the pressure maintaining device 2 to rotate a preset angle, and at this time one of the rotating disks 11 The pressure holding device 2 rotates from the loading and unloading station to the alignment station, and the stop time of the pressure holding device 2 at the loading and unloading station and the alignment station is equal. At this time, the pressure holding device 2 stops at the alignment station to adjust the shell Position between the body positioning component 21 and the pressure maintaining component 22, so that the pressure maintaining component 223 can maintain the pressure on the cable 6.

In some possible embodiments, a controller is also included, and the controller is electrically connected to the pressure maintaining device 2 and the alignment device 4 respectively;

The controller is used to obtain the position information of the earphone case 5 and the position information of the cable 6, and control the position of the pressure holding device 2 according to the position information of the earphone case 5 and the position information of the cable 6;

The controller is used to control the pressure maintaining device 2 to maintain pressure on the inner cable 6 of the earphone housing 5 .

In some other possible embodiments, both the housing positioning component 21 and the pressure maintaining component 22 in the pressure maintaining device 2 are electrically connected to the controller, and the controller can be electrically connected to the housing positioning component 21 and the pressure maintaining component 22 respectively, That is, the controller can control the relative positions of the housing positioning component 21 and the pressure holding component 22 respectively according to the position information of the earphone housing 5 and the position information of the cable 6 acquired by the image acquisition device, so that the housing positioning component 21 can be connected with the holding pressure component 22. The pressure-holding assembly 22 is relatively matched, so that the pressure-holding assembly 22 can maintain the pressure on the cable 6 on the earphone housing 5 placed in the housing positioning assembly 21, and the structure of the pressure-holding assembly 22 is simple, so that the pressure-holding assembly 22 can maintain the pressure on the earphone housing 5 in the housing positioning assembly 21. The operation of the cable 6 during pressure maintenance is simple, which reduces the time loss of pressure maintenance and reduces the production cost.

Specifically, the controller can acquire the position information of the earphone housing 5 and the position information of the cable 6 collected by the image acquisition device, and control the housing positioning assembly 21 and the The relative position between the pressure-holding assembly 22 arranged corresponding to it, so that the pressure-holding assembly 22 can heat-press the cable 6 in the earphone casing 5, thereby ensuring that the cable 6 and the earphone casing 5 can be firmly fixed, avoiding The cable 6 falls off due to insufficient pressure holding position or insufficient pressure holding time, which affects the yield of the product.

In other possible embodiments, the controller is electrically connected to the rotating device 1 , and the controller can control the rotation duration, stop duration and rotation angle of the rotating disk 11 in the rotation device 1 .

In this embodiment, the controller controls that the rotating disk 11 stops for the same length of time every time the rotating disk 11 rotates a preset angle, and the rotating duration of the rotating disk 11 for rotating a preset angle is equal.

In some possible embodiments, the drive mechanism includes a turntable drive assembly 12 and an air-electric slip ring assembly;

The gas-electric slip ring assembly is fixedly connected with the rotating disk 11, and the gas-electric slip ring assembly and the rotating disk drive assembly 12 are all arranged on the same side of the rotating disk 11;

The turntable drive assembly 12 is used to drive the turntable 11 to rotate around the axis of the turntable 11 to adjust the position of the pressure maintaining device 2;

The air-electric slip ring assembly is also electrically connected to the turntable drive assembly 12 , so that the air-electric slip ring assembly can provide electric energy for the turntable drive assembly 12 .

In some possible embodiments, the turntable drive assembly 12 in the rotating device 1 is electrically connected to the controller; the controller is used to control the rotation of the turntable drive assembly 12, and the turntable drive assembly 12 drives the turntable 11 to rotate a preset angle each time; more Further, the controller controls the turntable driving assembly 12 to stay for a preset time, and then rotate by a preset angle.

In the above-mentioned embodiments, the descriptions of each embodiment have their own emphases, and for parts not described in detail in certain embodiments, reference may be made to relevant descriptions of other embodiments.

Those skilled in the art can also understand that various illustrative logical blocks, units, and steps listed in the embodiments of the present invention can be implemented by electronic hardware, computer software, or a combination of both. To clearly demonstrate the interchangeability of hardware and software, the various illustrative components, units and steps above have generically described their functions. Whether such functions are implemented by hardware or software depends on the specific application and overall system design requirements. Those skilled in the art may use various methods to implement the described functions for each specific application, but such implementation should not be understood as exceeding the protection scope of the embodiments of the present invention.

The specific embodiments described above have further described the purpose, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above descriptions are only specific embodiments of the present invention and are not intended to limit the scope of the present invention. Protection scope, within the spirit and principles of the present invention, any modification, equivalent replacement, improvement, etc., shall be included in the protection scope of the present invention.

Claims

A pressure maintaining device for cable assembly of an earphone case, characterized in that it comprises a housing positioning component (21) and a pressure maintaining component (22);

The housing positioning component (21) is used for clamping the earphone housing (5) equipped with the cable (6);

The pressure maintaining component (22) includes a pressure maintaining air bag (221), a sliding control mechanism (222), an air bag positioning mechanism (223) and a fluid control component (224);

The air bag positioning mechanism (223) is used to fix the pressure maintaining air bag (221), so that when the housing positioning assembly (21) clamps the earphone housing (5), the pressure maintaining air bag (221) ) corresponds to the assembly opening position of the earphone housing (5);

The sliding control mechanism (222) is used to control the airbag positioning mechanism (223) to be relatively close to or far away from the housing positioning component (21);

The pressure-maintaining airbag (221) includes a pressure-maintaining part (2211), and the fluid control assembly (224) communicates with the pressure-maintaining airbag (221) for delivering fluid to the pressure-maintaining airbag (221), so that the pressure maintaining part (2211) expands from the original state to the pressure maintaining state; the outer diameter of the pressure maintaining part (2211) in the original state is smaller than the outer diameter of the assembly opening of the earphone housing (5); And when the earphone housing (5) is in a pressure-holding state, press the cable (6) against the inner wall of the earphone housing (5).
The pressure-holding device for cable assembly of earphone shells according to claim 1, wherein the pressure-holding part (2211) is cylindrical, includes an end made of hard material and is made of high elasticity. Side walls made of molecular material.
The pressure maintaining device for cable assembly of the earphone case according to claim 1, wherein the pressure maintaining airbag (221) includes a cylindrical pressure maintaining part (2211) and an airbag installation protrusion (2212) , the airbag installation protrusion (2212) is a step arranged at the bottom of the pressure maintaining part (2211), and the airbag positioning mechanism (223) includes a first airbag positioning part (2231) and a second airbag positioning part (2232) ), the first airbag positioning member (2231) includes a mounting through hole and a limiting groove at the bottom of the mounting through hole, the pressure retaining part (2211) passes through the mounting through hole and the airbag mounting protrusion (2212) abuts against the limiting groove, and the first airbag positioning part (2231) and the second airbag positioning part (2232) clamp and limit the airbag installation protrusion (2212) on the in the limit groove.
The pressure maintaining device for cable assembly of earphone shells according to claim 3, characterized in that, the air bag installation protrusion (2212) is made of elastic material, and the air bag installation protrusion (2212) The thickness is greater than that of the limiting groove.
The pressure maintaining device for cable assembly of earphone casings according to claim 4, characterized in that, the first airbag positioning part (2231) and the second airbag positioning part (2232) pass through a quick clip mechanism ( 2233) is relatively fixedly connected, the outside of the first airbag positioning part (2231) and/or the second airbag positioning part (2232) is provided with an extrusion slope, and the inside of the quick clip mechanism (2233) is provided with the The extrusion bevel matches the clamping bevel.
The pressure maintaining device for cable assembly of the earphone case according to claim 3, wherein the second airbag positioning member (2232) is provided with an air transmission hole communicating with the installation through hole, The fluid control component (224) delivers fluid to the pressure-maintaining air bag (221) through the air delivery hole.
The pressure maintaining device for cable assembly of earphone shells according to claim 6, characterized in that, the fluid control assembly (224) includes a gas delivery tube (2241), and the gas delivery tube (2241) passes through At least part of the rear of the gas delivery through hole is located in the pressure maintaining airbag (221), and the side wall of the gas delivery tube (2241) is provided with a plurality of fluid through holes.
The pressure maintaining device for cable assembly of the earphone case according to claim 1, characterized in that, the air bag positioning mechanism (223) further includes a rotating shaft (2234), and the rotating shaft (2234) is used for adjusting The rotation angle of the pressure-maintaining air bag (221).
The pressure maintaining device for cable assembly of earphone housings according to claim 1, characterized in that, the fluid control assembly (224) is provided with a fluid heating device (2242), and the fluid heating device (2242) It is used for heating the fluid delivered by the fluid control assembly (224) to the pressure maintaining air bag (221).
A pressure maintaining device, characterized in that it comprises a rotating device (1), a mounting base (3) and at least three pressure maintaining devices according to any one of claims 1-9;

The mounting seat (3) is provided with a loading and unloading station, and the loading and unloading station is relatively fixed to the mounting seat (3);

The rotating device (1) is arranged on the mounting seat (3), and the rotating device (1) includes a rotating disk (11) and a driving mechanism; at least three of the pressure maintaining devices are evenly arranged on On the rotating disk (11), the driving mechanism can drive the rotating disk (11) to rotate, and then drive the pressure maintaining device to rotate around the axis of the rotating disk (11).