CN218971590U

CN218971590U - Pressure maintaining equipment for loudspeaker

Info

Publication number: CN218971590U
Application number: CN202222943612.7U
Authority: CN
Inventors: 周永; 张华军
Original assignee: Kunshan Tydreams Automation Equipment Co ltd
Current assignee: Kunshan Tydreams Automation Equipment Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-05-05
Anticipated expiration: 2032-11-07

Abstract

The utility model discloses a pressure maintaining device for a loudspeaker, which comprises: the transmission mechanism is used for transmitting the carrier for bearing the basin stand and the upper cover; the blocking mechanism comprises a first cylinder and a blocking piece connected to an output shaft of the first cylinder, and the first cylinder can drive the blocking piece to pass through the transmission mechanism so as to block the carrier; the pressure maintaining mechanism is arranged above the transmission mechanism and comprises a second air cylinder, a first connecting plate connected to an output shaft of the second air cylinder and a plurality of pressing units elastically connected to the first connecting plate, and when the blocking mechanism blocks the carrier from running on the transmission mechanism, the second air cylinder drives the first connecting plate to move downwards so that the pressing units apply pressure to the basin frame and the upper cover in the carrier. According to the scheme, the hot melt adhesive between the basin frame and the upper cover is pressed, so that the uniformity of the distribution of the hot melt adhesive between the basin frame and the upper cover can be improved, and the bonding firmness of the basin frame and the upper cover can be improved.

Description

Pressure maintaining equipment for loudspeaker

Technical Field

The utility model relates to the technical field of loudspeaker assembly, in particular to pressure maintaining equipment for a loudspeaker.

Background

The loudspeaker is commonly called as a loudspeaker, and is a very commonly used electroacoustic transducer, and is commonly used in sound-producing electronic and electrical equipment. The loudspeaker is a weak device in the sound equipment and is in turn the most important component for the sound effect. A speaker as shown in fig. 1 includes a frame 100, a magnetic circuit assembly 300 and an audio membrane assembly (not shown in the drawings), wherein the magnetic circuit assembly 300 and the audio membrane assembly are respectively and fixedly connected to two sides of the frame 100, and when the magnetic circuit assembly 300 is assembled on the frame 100, an upper cover 200 connected to the frame 100 is generally assembled on a side of the magnetic circuit assembly 300 facing away from the frame 100 to protect the magnetic circuit assembly 300.

The basin stand and the upper cover shown in fig. 1 are of a basically slender structure, and are usually connected by means of hot melt adhesive. In the working process of the loudspeaker, the loudspeaker is in a vibration environment for a long time, if the upper cover is not well adhered to the basin frame, the upper cover can fall off and other bad phenomena possibly occur, so that the adhesion effect (such as the firmness of adhesion) of the basin frame and the upper cover can directly influence the reliability of the quality of the loudspeaker. How to improve the bonding firmness of the basin stand and the upper cover is a continuous aim of solving the problem of the person skilled in the art.

Disclosure of Invention

In order to overcome the defects in the prior art, the embodiment of the utility model provides pressure maintaining equipment for a loudspeaker, which can improve the uniformity of the distribution of hot melt adhesive between a basin frame and an upper cover and improve the bonding firmness of the hot melt adhesive by pressing the hot melt adhesive between the basin frame and the upper cover.

The embodiment of the application discloses: a pressure maintaining apparatus for a speaker, comprising:

the transmission mechanism is used for transmitting the carrier for bearing the basin stand and the upper cover;

the blocking mechanism comprises a first cylinder and a blocking piece connected to an output shaft of the first cylinder, and the first cylinder can drive the blocking piece to pass through the transmission mechanism so as to block the carrier;

the pressure maintaining mechanism is arranged above the transmission mechanism and comprises a second air cylinder, a first connecting plate connected to an output shaft of the second air cylinder and a plurality of pressing units elastically connected to the first connecting plate, and when the blocking mechanism blocks the carrier from running on the transmission mechanism, the second air cylinder drives the first connecting plate to move downwards so that the pressing units apply pressure to a basin frame and an upper cover in the carrier.

Specifically, the pushing unit comprises a connecting block and a pressing block, one end of the connecting block is connected with the first connecting plate through an elastic connecting piece, and the pressing block is connected to the other end of the connecting block.

Specifically, be equipped with on the first connecting plate be used for with connecting block sliding connection's slide rail.

Specifically, the transmission mechanism comprises two oppositely arranged sectional materials, two conveyor belts respectively arranged on the two sectional materials and a motor for driving the conveyor belts to move.

Specifically, the pressure maintaining equipment for the loudspeaker further comprises a jacking mechanism, wherein the jacking mechanism comprises a second connecting plate connected to the lower portion of the section bar, a third air cylinder arranged on the second connecting plate and a top plate connected with the third air cylinder, and the top plate is used for jacking the carrier along the direction facing the pressure maintaining mechanism.

Specifically, the cylinder body of the third cylinder is connected to the second connecting plate, the output shaft of the third cylinder extends along the direction deviating from the pressure maintaining mechanism, a floating connecting plate is connected to the output shaft of the third cylinder, a plurality of guide rods penetrate through the floating connecting plate, and one end of each guide rod deviating from the floating connecting plate is connected with the top plate.

Specifically, the first cylinder of the blocking mechanism is connected to the second connecting plate through a third connecting plate.

The utility model has at least the following beneficial effects: the pressure maintaining equipment for the loudspeaker comprises a transmission mechanism, a blocking mechanism, a pressure maintaining mechanism and a jacking mechanism, when the transmission mechanism transmits a basin frame and an upper cover which are carried with dispensing to the upper part of the jacking mechanism, a first cylinder of the blocking mechanism jacks up a blocking piece to prevent a carrier from running, a third cylinder of the jacking mechanism drives a top plate upwards to jack up the carrier upwards, a second cylinder of the pressure maintaining mechanism drives a pressing unit downwards, so that the pressing unit presses and maintains pressure on a plurality of basin frames and corresponding upper covers on the carrier, hot melt adhesive between the basin frames and the upper covers can be uniformly distributed between the basin frames and the upper covers, and the bonding firmness of the basin frames and the upper covers is improved.

The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular description of preferred embodiments, as illustrated in the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a speaker according to an embodiment of the present utility model;

fig. 2 is a schematic view of the overall structure of a pressure maintaining apparatus for a speaker in an embodiment of the present utility model;

fig. 3 is a partial schematic structure of a pressure maintaining apparatus for a speaker in an embodiment of the present utility model;

FIG. 4 is a schematic view of the structure of the pressure protection mechanism in the embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a lifting mechanism according to an embodiment of the present utility model.

Reference numerals of the above drawings: 11. a section bar; 12. a conveyor belt; 13. a motor; 2. a blocking mechanism; 21. a first cylinder; 22. a blocking member; 23. a third connecting plate; 3. a pressure maintaining mechanism; 31. a second cylinder; 32. a first connection plate; 33. a pressing unit; 331. a connecting block; 332. briquetting; 34. an elastic connection member; 35. a slide rail; 41. a second connecting plate; 42. a third cylinder; 43. a top plate; 44. a floating connection plate; 45. a guide rod; 100. a basin stand; 200. an upper cover; 300. a magnetic circuit assembly.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in conjunction with fig. 2 to 5, the pressure maintaining apparatus for a speaker of the present embodiment mainly includes: a transmission mechanism, a blocking mechanism 2 and a pressure maintaining mechanism 3. The conveying mechanism is used for conveying the carrier carrying the workpiece so that the carrier can realize automatic conveying. In this embodiment, the workpiece is a semi-finished product of the basin stand 100 and the upper cover 200 after dispensing. The blocking mechanism 2 may be mounted above or below the transfer mechanism and includes a first cylinder 21 and a blocking member 22 connected to the output shaft of the first cylinder 21, the blocking member 22 being movable with the output shaft of the first cylinder 21 and passing through the transfer mechanism to block the vehicle. Specifically, when the carrier moves to the preset position on the conveying mechanism, the first cylinder 21 drives the blocking member 22 to move to block the carrier, so that the carrier can be prevented from moving continuously along the conveying direction. The pressure maintaining mechanism 3 is disposed above the conveying mechanism, and includes a second cylinder 31, a first connecting plate 32 connected to an output shaft of the second cylinder 31, and a plurality of pressing units 33 elastically connected to the first connecting plate 32, where the plurality of pressing units 33 are in one-to-one correspondence with a plurality of workpieces on the carrier. When the blocking mechanism 2 blocks the carrier from running on the conveying mechanism, the second air cylinder 31 drives the first connecting plate 32 to move downwards so that the pressing units 33 can apply pressure to the workpieces in the carrier, so that the hot melt adhesive between the basin frame 100 and the upper cover 200 can be uniformly distributed between the basin frame 100 and the upper cover 200, the bonding firmness of the basin frame and the upper cover is improved, in addition, due to the fact that the pressing units 33 and the first connecting plate 32 are elastically connected, even if the flatness between the lower surfaces of the pressing units 33 is not good enough (in other words, the lower surfaces of the pressing units 33 are slightly higher, and the lower surfaces of the pressing units 33 are slightly lower), each pressing unit 33 can be ensured to be in contact with the corresponding workpieces, and the bonding capability of the hot melt adhesive between each basin frame 100 and the corresponding upper cover 200 is ensured, so that the bonding capability of the hot melt adhesive to the basin frame 100 and the upper cover 200 is improved.

Of course, the pressure maintaining apparatus for a speaker of the present embodiment may further include an electric control system for electrically connecting with the above mechanisms.

As shown in fig. 4, the pressing unit 33 of the present embodiment includes a connection block 331 and a pressing block 332. One end (also referred to as an upper end) of the connection block 331 is connected to the first connection plate 32 through the elastic connection member 34, and the pressing piece 332 is connected to the other end (i.e., a lower end) of the connection block 331. Preferably, the resilient connector 34 may be a compression spring. Further, the first connecting plate 32 may further be provided with a sliding rail 35, the connecting block 331 of the pressing unit 33 is slidably connected with the sliding rail 35, and the sliding rail 35 can guide the movement of the pressing unit 33.

As shown in fig. 2, the conveying mechanism of the present embodiment mainly includes two oppositely disposed profiles 11, two conveyor belts 12 respectively provided on the two profiles 11, and a motor 13 for driving the conveyor belts 12 to rotate.

As shown in fig. 3 and 5, the pressure maintaining apparatus for a speaker of the present embodiment may further include a jacking mechanism. The jacking mechanism mainly comprises a second connecting plate 41 connected to the lower part of the profile 11 of the transmission mechanism, a third air cylinder 42 arranged on the second connecting plate 41, and a top plate 43 connected to the third air cylinder 42. The top plate 43 can be driven by the third air cylinder 42 to move up and down, when the top plate 43 moves up, the carrier on the conveying mechanism can be lifted up to be in contact with the pressure maintaining mechanism 3, and when the top plate 43 moves down, the carrier can be placed back on the conveying mechanism so that the carrier can move along with the conveying mechanism. Preferably, the cylinder body of the third air cylinder 42 is connected with the second connecting plate 41, the output shaft of the third air cylinder 42 extends along the direction away from the pressure maintaining mechanism 3, a floating connecting plate 44 is connected to the output shaft of the third air cylinder 42, a plurality of guide rods 45 are arranged on the floating connecting plate 44 in a penetrating manner, and one ends of the plurality of guide rods 45 away from the floating connecting plate 44 are respectively connected with the top plate 43. When the output shaft of the third air cylinder 42 moves, the floating connection plate 44 is driven to move, and the floating connection plate 44 drives the top plate 43 to move up and down through the guide rod 45. By adopting the scheme, the installation space of the lifting mechanism of the embodiment can be saved.

As shown in fig. 5, the blocking mechanism 2 of the present embodiment may further include a third connection plate 23, and the first cylinder 21 may be mounted on the second connection plate 41 of the jacking mechanism through the third connection plate 23.

In summary, the pressure maintaining apparatus for a speaker of the present embodiment includes a transmission mechanism, a blocking mechanism 2, a pressure maintaining mechanism 3 and a lifting mechanism, when the transmission mechanism transmits the pot frame 100 and the upper cover 200 carrying the dispensing to the upper side of the lifting mechanism, the first cylinder 21 of the blocking mechanism 2 lifts the blocking member 22 upwards to prevent the carrier from running, the third cylinder 42 of the lifting mechanism drives the top plate 43 upwards to lift the carrier upwards, the second cylinder 31 of the pressure maintaining mechanism 3 drives the pressing unit 33 downwards, so that the pressing unit 33 presses and maintains pressure on the plurality of pot frames 100 and the corresponding upper covers 200 on the carrier, thereby enabling the hot melt adhesive between the pot frames 100 and the upper covers 200 to be uniformly distributed therebetween and improving the bonding firmness of the pot frames and the upper covers.

The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present utility model, the present description should not be construed as limiting the present utility model in view of the above.

Claims

1. A pressure maintaining apparatus for a speaker, characterized by comprising:

2. The pressure maintaining apparatus for a speaker as set forth in claim 1, wherein the pressing unit includes a connection block and a pressing block, one end of the connection block being connected to the first connection plate through an elastic connection member, the pressing block being connected to the other end of the connection block.

3. Pressure maintaining device for loudspeakers according to claim 2, characterized in that the first connection plate is provided with a slide rail for sliding connection with the connection block.

4. Pressure maintaining device for loudspeakers according to claim 1, characterized in that the transmission mechanism comprises two oppositely arranged profiles, two conveyor belts arranged on the two profiles respectively and a motor for driving the conveyor belts in motion.

5. The pressure maintaining apparatus for a speaker according to claim 4, further comprising a jacking mechanism including a second connection plate connected below the profile, a third cylinder provided on the second connection plate, and a top plate connected to the third cylinder, the top plate being for jacking the vehicle in a direction toward the pressure maintaining mechanism.

6. The pressure maintaining device for a loudspeaker according to claim 5, wherein the cylinder body of the third cylinder is connected to the second connecting plate, the output shaft of the third cylinder extends in a direction away from the pressure maintaining mechanism, a floating connecting plate is connected to the output shaft of the third cylinder, a plurality of guide rods penetrate through the floating connecting plate, and one end of each guide rod away from the floating connecting plate is connected with the top plate.

7. Pressure maintaining device for loudspeakers according to claim 6, characterized in that the first cylinder of the blocking mechanism is connected to the second connecting plate by a third connecting plate.