CN216086958U - Horn bracket rotary positioning device - Google Patents

Abstract

The utility model relates to the field of automatic production equipment of earphone horns, in particular to a horn support rotary positioning device which comprises a support module, a lifting mechanism, a rotary driving mechanism and a contact head, wherein the support module comprises a support a and a support b, the upper end of the support a is fixedly provided with the lifting mechanism, the lower end of the support a is fixedly arranged on a workbench, the output end of the lifting mechanism is fixedly connected with the support b, the support b is vertically and slidably connected with the support a, the support b is fixedly provided with the rotary driving mechanism, the output shaft of the rotary driving mechanism is fixedly sleeved with a guide mechanism, one end of the guide mechanism far away from the rotary driving mechanism is slidably connected with the contact head, the guide mechanism is provided with an elastic mechanism capable of pressing the contact head downwards, the utility model adds the elastic mechanism between the rotary driving mechanism and the contact head to prevent the contact head from being in hard contact with a product, reduce contact damage and product surface scratching.

Description

Horn bracket rotary positioning device

Technical Field

The utility model relates to the field of automatic production equipment of earphone horns, in particular to a rotary positioning device for a horn support.

Background

The earphone is an indispensable audio-visual device in people's life, and it is used extensively, the demand is big, has realized carrying out automated production to earphone loudspeaker at present, and the subsides of various auxiliary materials and part on the accessible automated equipment completion loudspeaker support are pasted, but then need carry out rotational positioning to loudspeaker support before pasting the dress and just can accomplish the accurate subsides of later stage part and paste.

40 loudspeaker veneer gluing machines that use on the market have the rotary positioning device who sets up the horn bracket, the device includes the polyurethane rubber ring, the polyurethane rubber ring cover is established outside the steel bushing, the output of the direct fixed mounting of steel bushing on the motor, the during operation utilizes cylinder driving motor downstream, make polyurethane rubber ring contact horn bracket, the rotatory polyurethane rubber ring that drives of output of motor is rotatory, thereby it is rotatory to drive the horn bracket, the horn bracket who sets up like this and to push into in the carousel positioning jig is rotatory to specific position, but this kind of rotary positioning device's that has now polyurethane rubber ring is hard contact with the horn bracket, polyurethane glue wearing and tearing are fast, it is frequent to change, the easy scotch of horn bracket, the motor burns out etc. easily.

Thus, there is still a need for improvement and development of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a horn bracket rotary positioning device which is reasonable and simple in structure and can effectively reduce the damage of a contact head and a motor aiming at the defects and shortcomings of the prior art.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

the utility model discloses a horn bracket rotary positioning device, which comprises a bracket module, a lifting mechanism, a rotary driving mechanism and a contact head, wherein the bracket module comprises a bracket a and a bracket b, the upper end of the bracket a is fixedly provided with the lifting mechanism, the lower end of the bracket a is fixedly arranged on a workbench, the output end of the lifting mechanism is fixedly connected with the bracket b, the bracket b is vertically and slidably connected with the bracket a, the bracket b is fixedly provided with the rotary driving mechanism, and the lifting mechanism can drive the rotary driving mechanism to be close to and far away from a horn bracket by controlling the bracket b to slide up and down on one side of the bracket a; guiding mechanism is established to rotary driving mechanism's fixed cover of output shaft, guiding mechanism keeps away from rotary driving mechanism's one end sliding connection has the contact, be provided with the elastic mechanism that enables the contact and compress tightly downwards on the guiding mechanism, guiding mechanism and elastic mechanism can mutually support during the use, produce the cushion force when making the contact move down and compress tightly loudspeaker support, have alleviateed when rising price mechanism descends impact to rotary driving mechanism and contact, reduce the contact damage and the product surface scrapes the flower.

According to the scheme, the guide mechanism is a guide block with a cylindrical structure, the guide block is fixedly connected with an output shaft of the rotary driving mechanism, and when the output shaft of the rotary driving mechanism rotates, the guide block synchronously rotates to further drive the contact head to rotate.

According to the scheme, the annular baffle is fixedly arranged on the outer side of the guide mechanism and is used for abutting against the elastic mechanism.

According to the scheme, the elastic mechanism is a spring ring, the spring ring is sleeved on the outer side of the guide mechanism, the upper end of the spring ring is abutted to the annular baffle, and the lower end of the spring ring is abutted to the contact head, so that the contact head can freely stretch and retract.

According to the scheme, the contact head comprises a steel sleeve and a polyurethane rubber ring, the outer wall of the steel sleeve is connected with the polyurethane rubber ring in an interference fit mode, the inner wall of the steel sleeve is connected with the guide mechanism in a sliding mode, the polyurethane rubber ring is good in elasticity, and the contact head can be effectively reduced in scratching the horn support in cooperation with the elastic mechanism.

According to above scheme, guiding mechanism keeps away from rotary drive mechanism's one end and is provided with recess and recess assorted port stopper, be equipped with magnet in the recess, the port stopper seals magnet in the recess, magnet butt joint contact's steel bushing produces magnetic attraction, and the during operation can prevent that the contact head from droing, when needs change contact head or change polyurethane rubber ring, opens the port stopper, takes out magnet, and the contact head can take out easily.

According to the scheme, the lifting mechanism is the air cylinder, the air cylinder does linear reciprocating motion, and the loudspeaker lifting mechanism is suitable for assembly line production of the loudspeaker.

According to the scheme, the rotary driving mechanism is a motor, the motor can accurately rotate according to the set angle, and the control of the rotating angle of the contact head is facilitated.

According to the horn support rotary positioning device, the elastic mechanism is additionally arranged between the rotary driving mechanism and the contact head, so that the contact head is prevented from being in hard contact with a product, and the damage to the contact head and the scraping of the surface of the product are reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic structural view of section A-A of the present invention;

fig. 4 is an enlarged schematic view of part B of the present invention.

In the figure: 1. the device comprises supports a, 2, a lifting mechanism, 3, supports b, 4, a rotary driving mechanism, 5, a guide mechanism, 6, a contact head, 7, an elastic mechanism, 51, a magnet, 52, port plugs, 61, a steel sleeve and 62 polyurethane rubber rings.

Detailed Description

The technical solution of the present invention is described below with reference to the accompanying drawings and examples.

As shown in fig. 1-4, the horn support rotary positioning device of the present invention comprises a support module, a lifting mechanism 2, a rotary driving mechanism 4 and a contact head 6, wherein the support module comprises a support a1 and a support b3, the upper end of the support a1 is fixedly provided with the lifting mechanism 2, the lower end of the support a1 is fixedly provided on a workbench, the output end of the lifting mechanism 2 is fixedly connected with a support b3, the support b3 is vertically and slidably connected with the support a1, and the support b3 is fixedly provided with the rotary driving mechanism 4, and by adopting the arrangement, the lifting mechanism 2 drives the rotary driving mechanism 4 to approach and leave the horn support by controlling the support b3 to slide up and down on one side of the support a 1; guiding mechanism 5 is established to the fixed cover of output shaft of rotary driving mechanism 4, the one end sliding connection that rotary driving mechanism 4 was kept away from to guiding mechanism 5 has contact 6, be provided with on guiding mechanism 5 and enable contact 6 elastic mechanism 7 that compresses tightly downwards, such setting, guiding mechanism 5 and elastic mechanism 7 can mutually support when using, produce the cushion effect when making contact 6 remove downwards and compress tightly the horn bracket, have alleviateed when rising price mechanism 2 descends impact to rotary driving mechanism 4 and contact 6, reduce contact 6 damage and product surface and scrape the flower.

The guide mechanism 5 is a guide block with a cylindrical structure, the guide block is fixedly connected with an output shaft of the rotary driving mechanism 4, and when the output shaft of the rotary driving mechanism 4 rotates, the guide block synchronously rotates to further drive the contact head 6 to rotate.

And an annular baffle is fixedly arranged on the outer side of the guide mechanism 5 and is used for abutting against the elastic mechanism.

The elastic mechanism 7 is a spring ring which is sleeved on the outer side of the guide mechanism 5, the upper end of the spring ring is abutted to the annular baffle, the lower end of the spring ring is abutted to the contact head, and the contact head 6 is arranged to be capable of freely stretching.

The contact head 6 comprises a steel sleeve 61 and a polyurethane rubber ring 62, the outer wall of the steel sleeve 61 is connected with the polyurethane rubber ring 62 in an interference fit mode, the inner wall of the steel sleeve 61 is connected with the guide mechanism 5 in a sliding mode, the polyurethane rubber ring 62 is good in elasticity, and the contact head 6 can be effectively prevented from being scratched on the horn support in cooperation with the elastic mechanism 7.

One end of the guide mechanism 5, which is far away from the rotary driving mechanism 4, is provided with a groove and a groove matched port plug 52, a magnet 51 is arranged in the groove, the port plug 52 seals the magnet 51 in the groove, the magnet 51 generates magnetic attraction to a steel sleeve 61 of the contact 6, the contact 6 can be prevented from falling off during operation, the port plug 52 is opened when the contact 6 needs to be replaced or a polyurethane rubber ring 62 needs to be replaced, the magnet 51 is taken out, and the contact 6 can be taken out easily.

The lifting mechanism 2 is an air cylinder which does linear reciprocating motion and is suitable for the production line of the loudspeaker.

The rotary driving mechanism 4 is a motor, and the motor can rotate accurately according to a set angle, so that the rotation angle of the contact head can be controlled conveniently.

The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.

Claims (8)

1. A horn bracket rotary positioning device comprises a bracket module, a lifting mechanism (2), a rotary driving mechanism (4) and a contact head (6), it is characterized in that the bracket module comprises a bracket a (1) and a bracket b (3), the upper end of the bracket a (1) is fixedly provided with a lifting mechanism (2), the lower end is fixedly arranged on the workbench, the output end of the lifting mechanism (2) is fixedly connected with a bracket b (3), the bracket b (3) is vertically connected with the bracket a (1) in a sliding way, a rotary driving mechanism (4) is fixedly arranged on the bracket b (3), a guide mechanism (5) is fixedly sleeved on an output shaft of the rotary driving mechanism (4), one end of the guide mechanism (5) far away from the rotary driving mechanism (4) is connected with a contact head (6) in a sliding way, and the guide mechanism (5) is provided with an elastic mechanism (7) which can enable the contact head (6) to be pressed downwards.

2. The horn-support rotational positioning device according to claim 1, characterized in that the guiding means (5) is a guiding block of cylindrical structure.

3. The horn bracket rotational positioning device according to claim 2, wherein an annular baffle is fixedly arranged outside the guide mechanism (5).

4. The horn support rotary positioning device of claim 3, wherein the elastic mechanism (7) is a spring ring, the spring ring is sleeved outside the guide mechanism (5), one end of the spring ring abuts against the annular baffle, and the other end of the spring ring abuts against the contact head.

5. The horn bracket rotary positioning device according to claim 2, wherein the contact head (6) comprises a steel sleeve (61) and a polyurethane rubber ring (62), the outer wall of the steel sleeve (61) is in interference fit connection with the polyurethane rubber ring (62), and the inner wall of the steel sleeve (61) is in sliding connection with the guide mechanism (5).

6. The horn bracket rotational positioning device of claim 5, wherein the end of the guide mechanism (5) away from the rotational driving mechanism (4) is provided with a groove and a port plug (52) matched with the groove, and the groove is internally provided with a magnet (51).

7. The horn-support rotational positioning device according to claim 1, wherein the elevating mechanism (2) is a cylinder.

8. A horn cradle rotational positioning device according to claim 1, characterized in that the rotational drive mechanism (4) is a motor.

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