Positioning tool for voice coil lead

Abstract

The utility model provides a voice coil lead positioning tool comprising a pedestal and a cover plate, the pedestal is provided with a plurality of positioning grooves, two sides of the pedestal along the length direction are respectively provided with a first positioning portion and a second positioning portion, two sides of each positioning groove are respectively and correspondingly provided with a first positioning portion and a second positioning portion, and the cover plate is provided with a plurality of positioning grooves. A plurality of placing grooves are formed in the bottom of the cover plate. During use, the loudspeaker support is placed in the positioning groove, the manipulator places the voice coil into the loudspeaker support, two leads of the voice coil are fixed by the first positioning part, then the manipulator moves the two leads from the first positioning part to the second positioning part to be fixed, finally, the diaphragm is inversely buckled on the loudspeaker support, the cover plate tightly covers the diaphragm, and automatic installation of the voice coil diaphragm is achieved. The first positioning part fixes the voice coil lead for the first time to prevent the lead from being deformed and disordered when the voice coil is put in, and the second positioning part is used for positioning the inverted appointed position of the lead, so that the gluing position of the diaphragm corresponds to the position of the lead, and the problem of positioning the voice coil lead in the automatic mounting process is solved.

Description

Technical Field

[0001] The utility model relates to the field of micro speakers, and more particularly to a positioning tool for voice coil leads. Background Art

[0002] The traditional assembly process of voice coil and diaphragm usually uses a jig to install and position the voice coil, then apply glue to the diaphragm, and then invert the glued diaphragm into the jig with the voice coil to complete the assembly of the voice coil and diaphragm. During this assembly process, it is necessary to position the voice coil leads for better glue application. The existing patent: A diaphragm voice coil assembly tool, publication number: CN215121176U, discloses the positioning of voice coil leads. However, this tool is mainly suitable for manual positioning. With the development of technology and the increase in market demand, the current assembly of voice coil and diaphragm is basically automated. The installation of the voice coil and the positioning of the leads are completed by two separate processes. Since the voice coil leads are soft and easily deformed by external forces, how to position the voice coil leads during the automated assembly of voice coil and diaphragm is an urgent problem to be solved. Summary of the Utility Model

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a positioning tool for voice coil leads, aiming to solve the technical problem of how to position the voice coil leads during the automated assembly process.

[0004] The utility model is implemented as follows: A positioning tool for voice coil leads includes a base and a cover plate. The base is provided with a plurality of positioning grooves. The two sides of the base along the length direction are respectively provided with a first positioning portion and a second positioning portion. One first positioning portion and one second positioning portion are respectively corresponding to both sides of a positioning groove. The bottom of the cover plate is provided with a plurality of placement grooves.

[0005] Further, the first positioning portion includes two groups of first positioning posts. Each group of first positioning posts includes two first positioning posts, and a first positioning sleeve is sleeved on the first positioning posts.

[0006] Further, the second positioning portion includes three second positioning posts, and a second positioning sleeve is sleeved on the second positioning posts.

[0007] Further, the first positioning portion further includes a first limiting block and two first supporting blocks arranged on the base. The first limiting block is close to the positioning groove, and the two first supporting blocks are respectively close to the two groups of first positioning posts.

[0008] Further, the second positioning portion further includes a second limiting block arranged on the base. The second limiting block is between the second positioning posts and the positioning groove.

[0009] Furthermore, lower magnets are arranged on the base between the positioning grooves, and upper magnets are arranged on the cover plate between the two placement grooves.

[0010] The beneficial effects of the present utility model are as follows:

[0011] The positioning tooling for voice coil leads of the present utility model has a simple structure, is reasonably and ingeniously designed, and includes a base and a cover plate. The base is provided with a plurality of positioning grooves. The first positioning part and the second positioning part are respectively arranged on both sides of the base along the length direction. One first positioning part and one second positioning part are respectively arranged corresponding to both sides of a positioning groove. The bottom of the cover plate is provided with a plurality of placement grooves. During use, the speaker bracket is placed in the positioning groove, the manipulator places the voice coil into the speaker bracket, the two leads of the voice coil are respectively fixed by the first positioning part, and then the manipulator moves the two leads from the first positioning part to the second positioning part for fixation. Finally, the diaphragm is buckled on the speaker bracket, and the cover plate tightly covers the diaphragm, thus realizing the automatic installation of the voice coil and diaphragm. The first positioning part fixes the voice coil leads for the first time to prevent the leads from deforming and getting disordered when the voice coil is placed. The second positioning part moves and positions the two leads to a specified position, ensuring that the position of subsequent diaphragm gluing corresponds to the position of the leads, which not only meets the positioning of the voice coil leads during the automatic installation process but also improves the quality of the speaker. Description of the Drawings

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, so they should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0013] Figure 1 Structural schematic diagram of the positioning tooling for voice coil leads of the present utility model;

[0014] Figure 2 Structural schematic diagram of the base and cover plate of the positioning tooling for voice coil leads of the present utility model;

[0015] Figure 3 Partially enlarged view of the base of the positioning tooling for voice coil leads of the present utility model placing the voice coil and leads;

[0016] Figure 4 Partially structural schematic diagram of the base of the positioning tooling for voice coil leads of the present utility model;

[0017] Figure 5 Exploded schematic diagram of the first positioning post, second positioning post, first positioning sleeve, and second positioning sleeve of the positioning tooling for voice coil leads of the present utility model;

[0018] Figure 6 Schematic diagram of the structure of the cover plate of the positioning tooling for the voice coil lead of the present utility model.

[0019] Reference numerals:

[0020] 10. Base; 101. Positioning groove; 102. First positioning post; 1021. First positioning sleeve; 103. Second positioning post; 1031. Second positioning sleeve; 104. First limiting block; 105. Second limiting block; 106. First support block; 107. Lower magnet

[0021] 20. Cover plate; 201. Placing groove; 202. Upper magnet

[0022] 30. Voice coil; 301. Lead Specific embodiments

[0023] In order to make the purpose, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model. Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the present utility model claimed, but merely represents selected embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] In the present utility model, unless otherwise clearly defined and limited, the terms "installation", "connection", "connection", "fixation" and other terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include direct contact between the first and second features, or may include the first and second features not being in direct contact but in contact through additional features therebetween. Moreover, the first feature being "above", "over" and "on top of" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the first feature has a lower horizontal height than the second feature.

[0026] Please refer to Figure 1-2 , the present utility model provides a positioning tooling for voice coil leads, which includes a base 10 and a cover plate 20. The base 10 is provided with a plurality of positioning grooves 101 for placing speaker brackets. In this embodiment, the positioning grooves 101 include six, and six speaker brackets can be positioned and processed at one time, improving production efficiency.

[0027] Please refer to Figure 1-5 , on both sides of the base 10 along the length direction, a first positioning portion and a second positioning portion are respectively provided. One first positioning portion and one second positioning portion are respectively correspondingly provided on both sides of one positioning groove 101. Specifically, the first positioning portion includes two groups of first positioning posts 102, and each group of first positioning posts 102 includes two first positioning posts 102. A first positioning sleeve 1021 is sleeved on the first positioning post. When the voice coil 30 is placed into the speaker bracket, the two leads 301 of the voice coil 30 are respectively clamped by the two first positioning posts 102. The first positioning sleeve 1021 is made of soft silicone, and the two first positioning sleeves 1021 clamp the lead 301, playing a role of clamping and fixing the lead 301. Further, the first positioning portion further includes a first limiting block 104 and two first supporting blocks 106 provided on the base 10. The first limiting block 104 is close to the positioning groove 101, and the two first supporting blocks 106 are respectively close to the two groups of first positioning posts 102. The first limiting block 104 limits the distance between the two leads 301, making the distance between the two leads 301 of all voice coils 30 the same. The two first supporting blocks 106 limit the position of the voice coil 30 lead 301 in the vertical direction between the two first positioning posts 102, so that the height at which the lead 301 is clamped between the two first positioning posts 102 is the same. The first limiting block 104 and the first supporting blocks 106 are both for the pick-up and fixation during mechanical operation in automatic assembly.

[0028] Please refer to Figure 1-5The second positioning portion includes three second positioning posts 103, with second positioning sleeves 1031 sleeved on the second positioning posts 103. Specifically, the three second positioning posts 103 are arranged side by side to form two clamping gaps. The leads 301 of the two voice coils 30 are moved from the first positioning portion to between the three second positioning posts 103 and are clamped and fixed between the second positioning posts 103 by the second positioning sleeves 1031, so that the two leads 301 are positioned from being fixed separately to being positioned together. The second positioning portion further includes a second limiting block 105 provided on the base 10. The second limiting block 105 is located between the second positioning posts 103 and the positioning slot 101. The second limiting block 105 has inclined surfaces on both sides, which limit the angle between the two leads 301 to 30 degrees. The second limiting block 105 is then clamped and fixed by the second positioning sleeves 1031 on the second positioning posts 103. The three second positioning posts 103 are used to position the two leads 301 to the designated position on the other side of the speaker bracket.

[0029] Please refer to Figure 6 The bottom of the cover 20 has several placement grooves 201. The diaphragm is placed in the placement grooves 201 after being glued. The cover 20 covers the base 10 to press the diaphragm tightly against the speaker bracket. The location of the diaphragm glue is consistent with the position of the two leads 301, improving the quality of the speaker. Furthermore, a lower magnet 107 is provided on the base 10 between the positioning grooves 101, and an upper magnet 202 is provided on the cover 20 between the two placement grooves 201. The upper magnet 202 and the lower magnet 107 attract each other and adhere to each other, ensuring that the cover 20 is tightly covered on the base 10.

[0030] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A positioning tool for voice coil leads, characterized in that, Comprising: A base and a cover plate, wherein the base is provided with a plurality of positioning grooves, and first positioning portions and second positioning portions are respectively arranged on two sides of the base along the length direction. One first positioning portion and one second positioning portion are respectively arranged corresponding to two sides of one positioning groove, and a plurality of placing grooves are formed in the bottom of the cover plate.

2. The positioning tooling for the voice coil lead according to claim 1, characterized in that: The first positioning portion includes two groups of first positioning posts, each group of first positioning posts includes two first positioning posts, and first positioning sleeves are sleeved on the first positioning posts.

3. The positioning tooling for the voice coil lead according to claim 1, characterized in that: The second positioning portion includes three second positioning posts, and second positioning sleeves are sleeved on the second positioning posts.

4. The positioning tooling for the voice coil lead according to claim 1, characterized in that: The first positioning portion further includes a first limiting block and two first supporting blocks arranged on the base. The first limiting block is close to the positioning groove, and the two first supporting blocks are respectively close to two groups of first positioning posts.

5. The positioning tooling for the voice coil lead according to claim 3, characterized in that: The second positioning portion further includes a second limiting block arranged on the base, and the second limiting block is between the second positioning post and the positioning groove.

6. The positioning tooling for the voice coil lead according to claim 1, characterized in that: Lower magnets are arranged on the base between the positioning grooves, and upper magnets are arranged on the cover plate between two placing grooves.

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