Loudspeaker processing jig

Abstract

The utility model provides a processing jig for loudspeakers, which comprises the loudspeakers and a processing jig, and the processing jig is used for connecting the loudspeakers. The machining jig comprises an upper cover, a lower cover and a connecting jig, wherein the centers of the upper cover, the lower cover and the connecting jig are collinear. The upper cover is provided with a concave annular groove hole, a sound production vibration material fixing groove position surrounded by the concave annular groove hole and an outer ring part. The lower cover is provided with a positioning protruding groove, a groove position matched with the outer ring part, a through groove and four oval holes surrounding the outer side of the positioning protruding groove position. The connecting jig is provided with a long rod, a large circular truncated cone and a small circular truncated cone; the loudspeaker is provided with an auxiliary magnet, a main magnet, a sounding vibration material, a stainless steel sleeve, a protective cover, an aluminum sleeve, a plastic seat, a PCBA circuit board and a voice coil. The processing jig is matched with each part of the loudspeaker in structure, so that each part can be well connected, and the frequency response curve of the loudspeaker is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of loudspeakers, in particular to a processing tool for loudspeakers. Background Art

[0002] The current dynamic speakers are half magnetic circuit and half sound-generating vibration. The magnetic circuit includes magnets, washers, housings, covers, etc., as well as voice coils connected to sound-generating vibration materials; the sound-generating vibration part includes sound-generating vibration materials, suspension systems, and copper rings. However, the dynamic speaker has a poor frequency response curve because the connection quality of these two parts is not high. Utility Model Content

[0003] In view of this, the utility model provides a processing tool for a loudspeaker.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A processing jig for a speaker, comprising a speaker and a processing jig, wherein the processing jig is used to connect the speaker; the processing jig comprises an upper cover, a lower cover and a connecting jig with collinear centers, the upper cover is provided with a recessed annular slot and a sound-generating vibration material fixing slot surrounded by the recessed annular slot and an outer ring portion; the lower cover is provided with a positioning protruding slot, a slot matching the outer ring portion, a through slot, and four elliptical holes surrounding the outer side of the positioning protruding slot; the connecting jig is provided with a long rod, a large frustum, and a small frustum; the speaker is provided with a secondary magnet, a main magnet, a sound-generating vibration material, a stainless steel sleeve, a protective cover, an aluminum sleeve, a plastic seat, a PCBA circuit board, and a voice coil.

[0006] In a preferred technical solution, the positioning protruding groove is located at the center of the lower cover, the slot is located at the periphery of the positioning protruding groove and surrounds the positioning protruding groove, and the slot is lower than the positioning protruding groove.

[0007] In the preferred technical solution, the long rod is used to lift the processing tool, and the outer circumference of the small round table corresponds to the inner diameter of the voice coil.

[0008] In the preferred technical solution, the auxiliary magnet includes an auxiliary magnet part, a base washer, and an auxiliary washer, the main magnet includes a main washer and a main magnet part, and the processing jig is respectively provided with a auxiliary magnet connecting part for connecting the auxiliary magnet and a main magnet connecting part for connecting the main magnet.

[0009] In a preferred technical solution, the aluminum sleeve is provided with an annular step and a first acoustic cavity and a second acoustic cavity, and the protective cover is provided with a step portion that cooperates with the aluminum sleeve.

[0010] In a preferred technical solution, a through hole is provided in the middle of the plastic seat, and positioning steps of annular structure are provided on both sides of the through hole.

[0011] In the preferred technical solution, a sound outlet for pushing out air is provided in the center of the protective cover, a first through hole is provided in the center of the PCBA circuit board, and a second through hole is provided in the center of the stainless steel sleeve.

[0012] It can be seen from the above technical solutions that, compared with the prior art, the present invention has the following beneficial technical effects:

[0013] The upper cover and the lower cover are two copper cylindrical parts that are used as center confirmation collinear jigs. The connection jig is made of stainless steel. The sound-generating vibration material and the voice coil are connected, and the connected sound-generating vibration part is properly stored; then the main magnet and the auxiliary magnet are connected. After the connection is completed, the sound-generating vibration part is connected to the main magnet and the auxiliary magnet; then the aluminum sleeve, the stainless steel sleeve, the protective cover, the plastic seat and the PCBA circuit board are connected to the above parts to complete the connection of the speaker; there are two acoustic cavities inside the speaker and a stainless steel sleeve on the outermost layer; because the processing jig used has a high degree of center confirmation collinearity and good manufacturing precision, the processing jig and the various components of the speaker cooperate with each other in structure, so the various components can be well connected, so that the frequency response curve of the speaker is improved, the design is simple, and the production is convenient, which is suitable for the production and manufacturing of dynamic speakers; BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0015] Figure 1 Schematic diagram of the cross-sectional structure of the processing jig.

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of each component of the speaker.

[0017] Figure numbers: 210, upper cover; 220, lower cover; 230, joint jig; 211, concave annular slot; 212, fixed slot for sound-generating vibration material; 213, outer ring; 221, positioning protruding slot; 222, slot; 223, through slot; 224, elliptical hole; 231, long rod; 232, large frustum; 233, small frustum; 110, secondary magnet; 120, primary magnet; 130, sound-generating vibration material; 140, stainless steel sleeve; 150, protective cover ; 160, aluminum sleeve; 170, plastic seat; 180, PCBA circuit board; 190, voice coil; 111, auxiliary magnet part; 112, base washer; 113, auxiliary washer; 121, main washer; 122, main magnet part; 161, annular step; 162, first acoustic cavity; 163, second acoustic cavity; 151, step part; 171, third through hole; 172, step; 152, sound outlet; 181, first through hole; 141, second through hole. DETAILED DESCRIPTION

[0018] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0019] In the description of the present application, it should be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "up", "down", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In the description of the present application, unless otherwise specified, "plurality" means two or more.

[0020] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; 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. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0021] A processing jig for a speaker, see Figure 1 , 2 , Figure 1 , 2The cross-sectional view of each component includes a speaker and a processing jig, and the processing jig is used to connect the speaker; the processing jig includes an upper cover 210, a lower cover 220, and a connecting jig 230 with the same center, the upper cover 210 is provided with a concave annular slot 211 and a sound-generating vibration material fixing slot 212 and an outer ring portion 213 surrounded by the concave annular slot 211; the lower cover 220 is provided with a positioning protruding groove 221, a slot 222 matching the outer ring portion 213, a through groove 223, and a fixing groove 214 surrounding the positioning protruding groove 221. The four elliptical holes 224 on the outside of the slot 221 do not show the through slot 233 in the perspective diagram; the coupling jig 230 is provided with a long rod 231, a large frustum 232, and a small frustum 233; the speaker is provided with a secondary magnet 110, a main magnet 120, a sound-generating vibration material 130, a stainless steel sleeve 140, a protective cover 150, an aluminum sleeve 160, a plastic seat 170, a PCBA circuit board 180, and a voice coil 190. The four elliptical holes 224 are for improving the effect of coupling the voice coil 190 and the vibration-generating material.

[0022] Furthermore, the positioning protrusion 221 is located at the center of the lower cover 220, the groove 212 is located at the periphery of the positioning protrusion 221 and surrounds the positioning protrusion 221, and the groove 212 is lower than the positioning protrusion 221; the long rod 231 is used to lift the processing jig, and the outer periphery of the small round table 233 corresponds to the inner diameter of the voice coil 190; the auxiliary magnet 110 includes an auxiliary magnet part 111, a base washer 112, and an auxiliary washer 113, and the main magnet 120 includes a main washer 121 and a main magnet part 122, and the processing jig is respectively provided with an auxiliary magnet connection part for connecting the auxiliary magnet 100 and a main magnet connection part for connecting the main magnet 120; the aluminum sleeve 160 is provided with an annular step 161 and a first acoustic cavity 162 and a second acoustic cavity 163, and the protective cover 150 is provided with a step part 151 cooperating with the aluminum sleeve 160.

[0023] Furthermore, a through hole 171 is provided in the middle of the plastic seat 170, and positioning steps 172 of annular structure are provided on both sides of the through hole 171; a sound outlet 152 for pushing air out is provided in the center of the protective cover 150, a first through hole 181 is provided in the center of the PCBA circuit board 180, and a second through hole 141 is provided in the center of the stainless steel sleeve 140.

[0024] The specific steps of processing the speaker by processing the jig are as follows:

[0025] 1. Place the sound-generating vibration material 130 into the upper cover 210, and make the sound-generating vibration material fixing groove 212 and the copper ring 131 provided on the sound-generating vibration material 130 flush and level. At this time, the highest point of the sound-generating vibration material 130 will be fixed at the center of the concave annular groove 211.

[0026] 2. Insert the voice coil 190 into the positioning protruding groove 221 of the lower cover 220 , make sure that the centers are collinear, and straighten the lead wires of the voice coil 190 , and pass them through the through groove 223 on the wall of the lower cover 220 .

[0027] 3. Apply glue to the outer circumference of the small round table 233 of the joint fixture 230 and place it upside down on the voice coil 190.

[0028] 4. After the above steps are completed, remove the joining jig 230 and join the sound-generating vibration material 130 in the upper cover 210 with the voice coil 190 of the lower cover 220 .

[0029] 5. Remove the voice coil 190 and the sound-generating vibration material 130 that have been joined together, and you will find that the joining effect between the two is very good.

[0030] 6. The auxiliary magnet part 111, the auxiliary washer 113 and the base washer 112 are bonded together using the auxiliary magnet connecting part.

[0031] 7. The main magnet part 122 and the main washer 121 are bonded together using the main magnet connection part.

[0032] 8. Then magnetize the bonded parts.

[0033] 9. After installing the two magnetized parts back into their respective fixtures, return them to the secondary magnetic joint for bonding.

[0034] 10. As a whole, the connected main magnet 120, the auxiliary magnet 110, the connected voice coil 190 and the sound-generating vibration material 130 are connected.

[0035] 11. Apply glue to the annular step 161 of the aluminum sleeve 160 to connect it with the previous step.

[0036] 12. Then connect the previously prepared protective cover 150 and stainless steel sleeve 140 with the previous step.

[0037] 13. Finally, the plastic seat 170 made of steel and the PCBA board 180 are connected to the bottom of the prototype in the previous step to complete the connection of the dynamic speaker.

[0038] 14. After the above steps are completed, a first acoustic cavity 162 is formed inside the dynamic speaker in the gap between the sound-generating vibration material 130 and the magnetic circuit part (aluminum sleeve 160, main magnet 120, auxiliary magnet 110) and the voice coil 190; a second acoustic cavity 163 is formed between the annular step 161 of the aluminum sleeve 160 and the rear plastic seat 170 made of steel and the through hole 180 of the PCBA board.

[0039] 15. The dynamic speaker connected in the above steps is tested, and it can be found that the frequency response curve of the dynamic speaker is improved.

[0040] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A processing jig for a loudspeaker, comprising a loudspeaker and a processing jig, characterized in that: The processing jig is used to connect the loudspeakers; the processing jig comprises an upper cover (210), a lower cover (220), and a connection jig (230) whose centers are colinear; the upper cover (210) is provided with a recessed annular slot (211), a sound-generating vibration material fixing slot (212) surrounded by the recessed annular slot (211), and an outer ring portion (213); the lower cover (220) is provided with a positioning protruding slot (221), a slot (222) matching the outer ring portion (213) , a through groove (223), and four elliptical holes (224) surrounding the outer side of the positioning protruding groove (221); the joint jig (230) is provided with a long rod (231), a large round table (232), and a small round table (233); the loudspeaker is provided with a secondary magnet (110), a main magnet (120), a sound-generating vibration material (130), a stainless steel sleeve (140), a protective cover (150), an aluminum sleeve (160), a plastic seat (170), a PCBA circuit board (180), and a voice coil (190).

2. The processing tool for a loudspeaker according to claim 1, characterized in that: The positioning protruding groove (221) is located at the center of the lower cover (220), and the groove (222) is located at the periphery of the positioning protruding groove (221) and surrounds the positioning protruding groove (221), and the groove (222) is lower than the positioning protruding groove (221).

3. The processing tool for a loudspeaker according to claim 1, characterized in that: The long rod (231) is used to lift the processing tool, and the outer circumference of the small round table (233) corresponds to the inner diameter of the voice coil (190).

4. The processing tool for a loudspeaker according to claim 1, characterized in that: The secondary magnet (110) includes a secondary magnet portion (111), a base washer (112), and a secondary washer (113); the main magnet (120) includes a main washer (121) and a main magnet portion (122); and the processing jig is respectively provided with a secondary magnet connecting portion for connecting the secondary magnet (100) and a main magnet connecting portion for connecting the main magnet (120).

5. The processing tool for a loudspeaker according to claim 1, characterized in that: The aluminum sleeve (160) is provided with an annular step (161) and a first acoustic cavity (162) and a second acoustic cavity (163), and the protective cover (150) is provided with a step portion (151) matched with the aluminum sleeve (160).

6. The processing tool for a loudspeaker according to claim 1, characterized in that: A third through hole (171) is provided in the middle of the plastic seat (170), and positioning steps (172) of annular structures are provided on both sides of the third through hole (171).

7. The processing tool for a loudspeaker according to claim 1, characterized in that: A sound outlet (152) for pushing out air is provided in the center of the protective cover (150), a first through hole (181) is provided in the center of the PCBA circuit board (180), and a second through hole (141) is provided in the center of the stainless steel sleeve (140).

Images