CN-224218521-U - Earphone pressure maintaining device

Abstract

The invention relates to the field of earphone production devices, in particular to an earphone pressure maintaining device, which comprises a table top, wherein a turntable is arranged above the table top and driven to rotate by a rotating motor, a plurality of pressure maintaining modules are uniformly fixed on the turntable, each pressure maintaining module comprises a plurality of sliding rods fixed on the turntable, each pressure maintaining module further comprises a pressing plate arranged above the turntable, each sliding rod penetrates through each pressing plate and is in sliding connection with each pressing plate, a supporting plate is further fixed on the top of each sliding rod, a threaded pipe is fixed on each supporting plate, a screw rod in threaded connection with each threaded pipe is arranged on each threaded pipe, fixing modules are fixed on the table tops on two sides of the turntable, each fixing module comprises a top plate fixed above the table top, an air cylinder is fixed on each top plate, each piston rod end of each air cylinder is fixedly provided with a fixing plate, and each fixing plate is provided with a rotating shaft at a position corresponding to each screw rod. The device can realize pressure maintaining operation on a plurality of earphones at the same time.

Inventors

• YAN XIAOHUA

Assignees

• 江西宝麟智能设备有限公司

Dates

Publication Date

20260508

Application Date

20250421

Claims (4)

1. 1. The utility model provides a headphone pressure maintaining device, its characterized in that contains the mesa, the mesa top is provided with the carousel, the carousel is rotated by rotating electrical machines drive, evenly be fixed with a plurality of pressurize modules on the carousel, the pressurize module contains many slide bars of fixing on the carousel, the pressurize module still contains the clamp plate that sets up in the carousel top, the slide bar passes the clamp plate and with clamp plate sliding connection, the slide bar top still is fixed with the backup pad, be fixed with the screwed pipe in the backup pad, be provided with the screw rod with screwed pipe threaded connection on the screwed pipe, all be fixed with fixed module on the mesa of carousel both sides, fixed module contains the roof of fixing in the mesa top, be fixed with the cylinder on the roof, the piston rod end of cylinder is fixed with the fixed plate, all be provided with the rotation axis on the fixed plate with the screw rod correspondence position, the rotation axis is rotated by the pressurize motor drive, the rotation axis bottom is fixed with square, square pipe with square pipe sliding connection, be provided with the rotatory piece with square pipe rotation connection's rotation, all be fixed with the compression spring on the square pipe between rotatory piece and the fixed plate, still be fixed with the compression spring on the fixed plate.
2. 2. The pressure maintaining device for the earphone of claim 1, wherein a plurality of supporting springs are further fixed between the pressing plate and the turntable.
3. 3. The pressure maintaining device for the earphone of claim 1, wherein the bottom of the screw is further provided with a pressing block rotatably connected with the screw.
4. 4. The pressure maintaining device for the earphone of claim 1, wherein the top of the screw is provided with a connecting hole, and the bottom of the square tube is fixedly provided with a connecting block matched with the connecting hole.

Description

Earphone pressure maintaining device Technical Field The invention relates to the field of earphone production devices, in particular to an earphone pressure maintaining device. Background After the earphone shell is glued and assembled, the earphone shell needs to be pressure-maintaining and shaped, after the pressure is maintained for a period of time, the glue is thoroughly dried, and finishing the pressure maintaining of the earphone. The patent application number is CN202223178956.X discloses a headset pressure maintaining device for quickly replacing an upper die and a lower die, which comprises a machine table, a vertical frame, an upper die device, a lower die device and a driving piece, wherein the vertical frame is arranged on the machine table, the driving piece is fixedly arranged on the vertical frame, the upper die device is provided with an upper fixing seat which is connected with the driving piece in a driving way and an upper pressing block which is arranged on the upper fixing seat, the lower die device comprises a lower fixing seat which is fixedly arranged on the machine table and a lower pressing block which is arranged on the lower fixing seat, pressure maintaining grooves are formed in the upper pressing block and the lower pressing block, the upper fixing seat and the lower fixing seat are embedded with magnets, and the upper pressing block and the lower pressing block are respectively in magnetic attraction connection with the upper fixing seat and the lower fixing seat through the magnets. However, when the device is used for maintaining pressure for a plurality of earphones, a plurality of cylinder driving parts are required to be arranged to synchronously complete the pressure maintaining work of the plurality of earphones, so that the cost of the device is high. The invention is researched and proposed for overcoming the defects of the prior art. Disclosure of Invention The invention aims to overcome the defects of the prior art and provides a pressure maintaining device for an earphone. The invention can be realized by the following technical scheme: the invention discloses an earphone pressure maintaining device, which comprises a table top, wherein a turntable is arranged above the table top and driven to rotate by a rotating motor, a plurality of pressure maintaining modules are uniformly fixed on the turntable, each pressure maintaining module comprises a plurality of sliding rods fixed on the turntable, each pressure maintaining module further comprises a pressing plate arranged above the turntable, each sliding rod penetrates through the corresponding pressing plate and is in sliding connection with the corresponding pressing plate, a supporting plate is further fixed on the top of each sliding rod, a threaded pipe is fixed on each supporting plate, a screw rod in threaded connection with the threaded pipe is arranged on each threaded pipe, fixing modules are fixed on the table tops on two sides of the turntable, each fixing module comprises a top plate fixed above the table top, an air cylinder is fixed on each top plate, the tail end of each piston rod of each air cylinder is fixedly provided with a fixing plate, each fixing plate is provided with a rotating shaft corresponding to the screw rod, each rotating shaft is driven to rotate by the corresponding pressure maintaining motor, each rotating shaft is fixedly provided with a square shaft, each square shaft is provided with a square pipe, each square pipe is connected with a rotating block in a sliding manner, each square pipe is connected with each square pipe in a rotating manner, each square pipe is fixedly provided with a compression bar, and each fixing plate is fixedly provided with a compression bar. The mold comprises an upper mold and a lower mold, wherein the upper mold and the lower mold are respectively provided with a placement hole, after the upper mold and the lower mold are assembled, the two placement holes form a placement cavity for holding pressure of the earphone, after dispensing, the earphone to be held pressure is placed in the placement holes of the lower mold, the upper mold is covered on the lower mold, after the upper mold is assembled with the positioning holes on the lower mold through the positioning posts on the upper mold, the upper mold and the lower mold are assembled, the mold is placed below the fixed plate, the rotating motor drives the turntable to rotate for a certain angle, the mold to be held pressure is placed at the position of the pressure maintaining mold again, when the earphone to be held pressure reaches the position of one fixed mold, the cylinder at the corresponding position is started, the upper piston rod of the cylinder is stretched, the fixed plate is lowered, the pressure rod is pressed against the fixed plate, after the fixed plate is pressed against the upper mold, the connecting block below the square pipe is inserted into the connecting hole at the top o