CN212277584U

CN212277584U - Earphone contact pin orientation mechanism

Info

Publication number: CN212277584U
Application number: CN202021310262.5U
Authority: CN
Inventors: 钟卫华; 刘智园; 钟林华; 刘武斌
Original assignee: Shenzhen Huazhong Intelligent Control Electronics Co ltd
Current assignee: Shenzhen Huazhong Intelligent Control Electronics Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-01-01
Anticipated expiration: 2030-07-06

Abstract

The utility model discloses an earphone pin orientation mechanism, which comprises a material taking component and an orientation component; the material taking assembly comprises a rotary swing arm, a material taking finger cylinder and a material taking clamp, the material taking finger cylinder is arranged on the rotary swing arm, and the rotary swing arm drives the material taking clamp and the material taking finger cylinder to be transferred to the orientation assembly from the material channel; the orientation assembly comprises a motor, an orientation finger cylinder arranged on a main shaft of the motor and a positioning clamp arranged on the orientation finger cylinder; the positioning clamp comprises a clamp body, a positioning spring and a direction top block, wherein the clamp body is fixed on a clamping jaw of the directional finger cylinder, a containing groove is formed in the clamp body, the positioning spring is arranged in the containing groove, one end of the direction top block is arranged in the containing groove and pressed on the positioning spring, the other end of the direction top block extends out of the containing groove, and a step is formed at one end of the direction top block extending out of the containing groove. The utility model provides an earphone contact pin orienting mechanism, directional precision is high, the good reliability.

Description

Earphone contact pin orientation mechanism

Technical Field

The utility model relates to an earphone manufacture equipment technical field, specifically speaking relates to an earphone contact pin orienting mechanism.

Background

The earphone pin shown in fig. 1 is divided into a metal end 12 and a solder end 13 by taking the convex ring 11 as a boundary, wherein a step 14 is formed at the boundary due to the difference of the amount of plastic on the two opposite sides of the solder end 13.

Fig. 2 shows a mechanism for sorting the feeding and soldering points of the earphone pins of the earphone pin soldering machine, the earphone pins come out of the vibration disk 15 and flow into the parallel material channel 16, the material channel 16 is installed on the direct vibration feeder, the gap of the parallel track is slightly larger than the diameter of the metal end 12 of the earphone pins and smaller than the diameter of the convex ring 11 on the earphone pins, so that the earphone pins are hung on the parallel material channel 16 by the gravity of the earphone pins. One side of the material channel 16 is additionally provided with a limiting strip, the side with less plastic of the welding point end 13 of the inserting needle can smoothly pass through the limiting strip, if the direction is not correct, the inserting needle of the earphone can automatically rotate at the limiting strip under the action of vibration and then passes through the side with less plastic, and therefore the consistent direction of the inserting needle is achieved through the method.

The disadvantages of this method are: 1. because the sides of the earphone pins are not straight lines and the earphone pins can rotate when moving, the direction accuracy of the selected earphone pins is not high. 1. Because the earphone contact pin is required to rotate by itself during screening, when the earphone contact pin rotates too slowly, the next earphone contact pin can push the previous earphone contact pin, the rotation of the earphone contact pin is blocked, and the card is clamped on the track.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an earphone contact pin orienting mechanism, directional precision is high, the good reliability.

The utility model discloses an earphone contact pin orientation mechanism adopts technical scheme is:

an earphone pin orientation mechanism comprises a vibration disc, a material channel connected with the vibration disc, a material taking assembly and an orientation assembly; the material taking assembly comprises a rotary swing arm, a material taking finger cylinder and a material taking clamp, the material taking finger cylinder is arranged on the rotary swing arm, the material taking clamp is arranged on the material taking finger cylinder, the material taking clamp comprises an upper half clamp and a lower half clamp, the material taking finger cylinder drives the upper half clamp and the lower half clamp to be matched with each other so as to clamp a metal end of an earphone pin, and the rotary swing arm drives the material taking clamp and the material taking finger cylinder to be transferred to the orientation assembly from a material channel; the orientation assembly comprises a motor, an orientation finger cylinder arranged on a main shaft of the motor and a positioning clamp arranged on the orientation finger cylinder; the positioning clamp comprises a clamp body, a positioning spring and a direction top block, wherein the clamp body is fixed on a clamping jaw of the directional finger cylinder, a containing groove is formed in the clamp body, the containing groove is formed in the positioning spring, one end of the direction top block is arranged in the containing groove and pressed on the positioning spring, the other end of the direction top block extends out of the containing groove, a first step is formed at one end of the direction top block, and the first step is used for being matched with a step at the plastic edge of a welding point end of an earphone pin.

As a preferred scheme, the orientation assembly further comprises a front cylinder, a rear cylinder and a jacking block, and the motor is arranged on the front cylinder and the rear cylinder; the supporting block is provided with a positioning hole, the center line of the positioning hole is coincident with the axis line of the motor spindle, and the front cylinder and the rear cylinder push the supporting block to extend forwards so that the tail end of the welding point end of the earphone pin is inserted into the positioning hole.

As a preferred scheme, the matching surfaces of the upper half clamp and the lower half clamp are both provided with semi-circular arc grooves.

Preferably, the diameter of the semi-arc groove is slightly larger than the diameter of the metal end of the earphone pin.

According to the preferable scheme, at least one of the upper half clamp and the lower half clamp is provided with an accommodating groove on a meeting surface, a clamping spring and a clamping pressing block are arranged in the accommodating groove, one end of the clamping pressing block is pressed on the clamping spring, and the other end of the clamping pressing block extends out of the accommodating groove.

According to the preferable scheme, the accommodating groove is a through groove penetrating through the upper half clamp, a spring pressing plate is arranged at one end of the accommodating groove and used for sealing one end of the accommodating groove, one end of the clamping spring is supported on the spring pressing plate, and the other end of the clamping spring is supported on the clamping pressing block.

The utility model discloses an earphone contact pin orienting mechanism's beneficial effect is: the earphone contact pin flows to the material way from the vibration dish, and rotatory swing arm drive simultaneously and get the material finger cylinder and remove to the material way. Get the material finger cylinder and order to get the metal end that material clip's upper half clamp and lower half clamp suited in order to centre gripping earphone pin, the solder joint end of earphone pin is in the state of spilling this moment. The rotary swing arm rotates to transfer the headset pin to the orientation assembly. And clamping by the directional finger cylinder to enable the positioning clamp to be supported at the welding spot end of the earphone contact pin. Under the action of the positioning spring, the first step of the direction top block is kept to be supported at the welding spot end of the earphone pin. The motor main shaft is rotatory, and the direction kicking block is followed and is rotated, and when the first step of direction kicking block rotated the step position at the plastic edge of earphone contact pin solder joint end, the direction kicking block stretches out under the positioning spring effect for the step at the plastic edge of earphone contact pin solder joint end is blocked to the first step of direction kicking block. The motor continues to rotate to a preset angle, and the positioning clamp forces the earphone pin to rotate along with the motor, so that the earphone pin is oriented. The orientation precision of the earphone pin orientation mechanism is high, the orientation process is carried out singly, and the earphone pins are not interfered with each other, so that the phenomenon of blocking cannot occur.

Drawings

Fig. 1 is a schematic structural diagram of a prior art headphone pin.

Fig. 2 is a schematic structural diagram of a prior art headset pin orientation mechanism.

Fig. 3 is a schematic structural diagram of the earphone pin orienting mechanism of the present invention.

Fig. 4 is a schematic view of the material taking assembly and the part of the structure of the orientation assembly of the earphone pin orientation mechanism of the present invention.

Fig. 5 is the utility model discloses earphone contact pin orienting mechanism get material finger cylinder and get the schematic structure drawing of material clip.

Fig. 6 is a sectional view of the material-fetching clamp of the headset pin-aligning mechanism of the present invention.

Fig. 7 is a schematic structural diagram of the directional finger cylinder and the positioning clip of the headset pin directing mechanism of the present invention.

Fig. 8 is a cross-sectional view of the positioning clip of the headset pin orienting mechanism of the present invention.

Fig. 9 is an orientation diagram of the positioning clip of the earphone pin orientation mechanism of the present invention.

Detailed Description

The invention will be further elucidated and described with reference to the following embodiments and drawings in which:

referring to fig. 3, an earphone pin orientation mechanism includes a vibration tray 21, a material channel 22 connected to the vibration tray 21, a material taking assembly 30 and an orientation assembly 40, wherein the material channel 22 is disposed above a vibrator.

Referring to fig. 3 and 4, the material taking assembly 30 includes a rotary swing arm 31, a material taking finger cylinder 32 disposed on the rotary swing arm 31, and a material taking clamp 33 disposed on the material taking finger cylinder 32. Referring to fig. 5 and 6, the take-out gripper 33 includes an upper gripper 331 and a lower gripper 332. Referring to fig. 3-6, the picking finger cylinder 32 drives the upper clamp 331 and the lower clamp 332 to cooperate to clamp the metal terminal 12 of the earphone pin. The rotary swing arm 31 drives the take-up gripper 33 and the take-up finger cylinder 32 from the feed channel 22 to the orienting assembly 40.

Referring to fig. 3 and 4, the orientation assembly 40 includes a motor 41, an orientation finger cylinder 42 disposed on a main shaft of the motor 41, and a positioning clip 43 disposed on the orientation finger cylinder 42. Referring to fig. 7 and 8, the positioning clip 43 includes a clip body 431, a positioning spring 432, and a direction top block 433. The clamp body 431 is fixed to a jaw of the directional finger cylinder 42. The clip body 431 is provided with a receiving groove 4311, and the positioning spring 432 is disposed in the receiving groove 4311. One end of the direction top block 433 is disposed in the receiving groove 4311 and pressed against the positioning spring 432, and the other end thereof extends out of the receiving groove 4311. The top block 433 extends out of the receiving cavity 4311 to form a first step 4331, and the first step 4331 is adapted to fit with the step 14 of the plastic edge of the welding point 13 of the earphone pin. Specifically, the step has a shape similar to a circular arc.

In the above scheme, the groove is formed in one end, extending into the accommodating groove 4311, of the direction top block 433, and one end of the positioning spring 432 extends into the groove, so that the positioning spring 432 is limited, and radial run-out of the positioning spring is avoided.

The implementation process comprises the following steps: the headphone pins flow from the vibrating plate 21 to the duct 22, and the vibrator vibrates the duct 22, so that the headphone pins continue to flow backward in the duct 22. Meanwhile, the rotary swing arm 31 drives and takes the material finger cylinder 32 to move to the material channel 22. The material taking finger cylinder 32 drives the upper half clamp 331 and the lower half clamp 332 of the material taking clamp 33 to be matched to clamp the metal end 12 of the earphone pin, and the welding point end 13 of the earphone pin is in a leakage state. The rotary swing arm 31 rotates to transfer the headset pin to the orientation assembly 40.

The finger cylinder 42 is oriented to clamp and hold the retaining clip 43 against the solder end 13 of the headphone pin. The first step 4331 of the orientation top block 433 remains held against the solder end 13 of the headphone pin by the positioning spring 432.

Referring to fig. 8 and 9, the main shaft of the motor 41 rotates, the direction pushing block 433 rotates, and when the first step 4331 of the direction pushing block 433 rotates to the position of the step 14 on the plastic edge of the welding point end 13 of the earphone pin, the direction pushing block 433 extends out under the action of the positioning spring 432, so that the first step 4331 of the direction pushing block 433 is clamped on the step 14 on the plastic edge of the welding point end 13 of the earphone pin. The motor 41 continues to rotate to a preset angle and the positioning clip 43 forces the headphone pin to follow the rotation, thereby orienting the headphone pin.

Referring to fig. 3 and 4, the orientation assembly 40 further includes front and rear cylinders 44 and a top support block 45. The motor 41 is provided to the front and rear cylinders 44, that is, the front and rear cylinders 44 drive the motor 41, the finger orienting cylinder 42, and the positioning clip 43 to move forward and backward.

The supporting block 45 is provided with a positioning hole, and the center line of the positioning hole is coincided with the axis line of the main shaft of the motor 41. The front and rear cylinders 44 push the supporting block 45 to extend forward, so that the tail end of the welding point end 13 of the earphone pin is inserted into the positioning hole. The radial runout of the welding point end 13 of the earphone pin is limited by the positioning hole, so that the stability in the orientation process is improved. In this embodiment, the directional finger cylinder 42 includes a fixed portion and a movable clamping jaw, one end of the supporting block 45 is fixed to the fixed portion, the other end is suspended, and the positioning hole is disposed at the suspended end.

Referring to fig. 5 and 6, the mating surfaces of the upper half clamp 331 and the lower half clamp 332 are respectively provided with a semi-arc groove 333. When the upper half-clip 331 and the lower half-clip 332 are combined, the semi-arc grooves 333 are formed into an annular groove for accommodating the metal end 12 of the earphone pin. Wherein, the diameter of the semi-arc groove 333 is slightly larger than the diameter of the metal end 12 of the earphone pin.

At least one of the upper half clamp 331 and the lower half clamp 332 is provided with an accommodating groove 334 on a meeting surface, a clamping spring 335 and a clamping pressing block 336 are arranged in the accommodating groove 334, one end of the clamping pressing block 336 is pressed on the clamping spring 335, and the other end of the clamping pressing block extends out of the accommodating groove 334. In this embodiment, the receiving groove 334 is disposed on the upper clamp 331, and the clamping pressing block 336 is also disposed with a semi-arc groove 333. Wherein, holding tank 334 is for running through the logical groove that first half pressed from both sides, and holding tank 334 one end is equipped with spring clamp plate 337, and spring clamp plate 337 is used for sealing holding tank 334 one end, presss from both sides material spring 335 one end top and holds on spring clamp plate 337, and the other end top is held in the recess of seting up in centre gripping briquetting 336.

When the upper half clamp 331 and the lower half clamp 332 of the material taking clamp 33 are combined, the material taking spring 335 pushes against the clamping pressing block 336, the clamping pressing block 336 presses the metal end 12 of the earphone pin, and the metal end 12 of the earphone pin is elastically clamped at the moment, so that the influence of overlarge clamping force on subsequent positioning adjustment is avoided. Wherein, the clamping force of the metal end 12 of the earphone pin can be adjusted by adjusting the elastic force of the clamping spring 335.

The utility model discloses an earphone contact pin orienting mechanism, directional precision is high, and directional process is single going on, and the earphone contact pin does not disturb each other, consequently can not appear the card dead, the good reliability.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. An earphone contact pin orientation mechanism comprises a vibration disc and a material channel connected with the vibration disc, and is characterized by further comprising a material taking assembly and an orientation assembly;

the material taking assembly comprises a rotary swing arm, a material taking finger cylinder and a material taking clamp, the material taking finger cylinder is arranged on the rotary swing arm, the material taking clamp is arranged on the material taking finger cylinder, the material taking clamp comprises an upper half clamp and a lower half clamp, the material taking finger cylinder drives the upper half clamp and the lower half clamp to be matched with each other so as to clamp a metal end of an earphone pin, and the rotary swing arm drives the material taking clamp and the material taking finger cylinder to be transferred to the orientation assembly from a material channel;

the orientation assembly comprises a motor, an orientation finger cylinder arranged on a main shaft of the motor and a positioning clamp arranged on the orientation finger cylinder;

the positioning clamp comprises a clamp body, a positioning spring and a direction top block, wherein the clamp body is fixed on a clamping jaw of the directional finger cylinder, a containing groove is formed in the clamp body, the containing groove is formed in the positioning spring, one end of the direction top block is arranged in the containing groove and pressed on the positioning spring, the other end of the direction top block extends out of the containing groove, a first step is formed at one end of the direction top block, and the first step is used for being matched with a step at the plastic edge of a welding point end of an earphone pin.

2. The headset pin orienting mechanism of claim 1 wherein the orienting assembly further comprises front and rear cylinders and a top support block, the motor being disposed in the front and rear cylinders;

the supporting block is provided with a positioning hole, the center line of the positioning hole is coincident with the axis line of the motor spindle, and the front cylinder and the rear cylinder push the supporting block to extend forwards so that the tail end of the welding point end of the earphone pin is inserted into the positioning hole.

3. The headset pin orienting mechanism of claim 1 wherein the mating surfaces of the upper and lower clips are each provided with a semi-circular groove.

4. The headset pin orienting mechanism of claim 3 wherein the semi-circular groove has a diameter slightly larger than a diameter of the metal end of the headset pin.

5. The headset pin orienting mechanism of claim 3 wherein at least one of the upper and lower clips defines a receiving cavity on the mating surface, the receiving cavity having a material clamping spring and a clamping press block, the clamping press block having one end pressed against the material clamping spring and the other end extending out of the receiving cavity.

6. The headset pin orienting mechanism of claim 5 wherein the receiving groove is a through groove through the upper half clamp, the receiving groove has a spring pressing plate at one end for closing one end of the receiving groove, the clip spring has one end abutting against the spring pressing plate and the other end abutting against the clamping pressing block.