CN112208832B

CN112208832B - Hot melting device

Info

Publication number: CN112208832B
Application number: CN202011023116.9A
Authority: CN
Inventors: 刘海城
Original assignee: Goertek Techology Co Ltd
Current assignee: Goertek Techology Co Ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2022-04-22
Anticipated expiration: 2040-09-24
Also published as: CN112208832A

Abstract

The invention discloses a hot melting device, which is applied to mesh cloth, wherein the mesh cloth is arranged on a sound box, and the hot melting device comprises: the supporting piece is used for supporting the mesh cloth, the supporting piece is provided with an adapting surface adapted to the shape of the sound box, and the supporting piece comprises a first tightening end for tightening the mesh cloth; the hot melting piece and the first tightening end form a crimping area, the hot melting piece is abutted against the first tightening end and used for crimping the mesh cloth located in the crimping area to form a connecting glue layer. According to the technical scheme, the phenomenon that the bonded connecting adhesive layer is pulled and broken is reduced, and the continuity of the viscosity of the connecting adhesive layer is further ensured, so that the mesh cloth can effectively cover the outer surface of the sound box.

Description

Hot melting device

Technical Field

The invention relates to the technical field of sound equipment assembly, in particular to a hot melting device.

Background

At the in-process of equipment stereo set, at the outside parcel one deck screen cloth of stereo set, the main effect of screen cloth is the protection stereo set, plays dustproof or shading's effect. In the process of wrapping the screen cloth on the sound box, the screen cloth is provided with a glue layer, and then the screen cloth is stuck on the sound box through the glue layer. Because the appearance structure of stereo set itself is complicated, the screen cloth needs to adapt to the appearance structure of stereo set through the flexible extension of self, and the flexible deformation of screen cloth leads to the glue film fracture to appear, and the continuity of glue film is destroyed, and the continuity of adhesion is also destroyed. So lead to appearing the clearance between the surface of screen cloth and stereo set, the screen cloth is difficult to effectual surface of hiding the stereo set.

Disclosure of Invention

Based on this, when the screen cloth to the present assembly stereo set, the glue film of pasting the stereo set easily breaks down in the flexible change of screen cloth, leads to the screen cloth to be difficult to the effectual surface problem that covers the stereo set, and it is necessary to provide a hot melt device, aims at reducing the glue film and breaks down, guarantees that the screen cloth is effectual to cover the surface of stereo set.

In order to achieve the above object, the present invention provides a hot melting device for a mesh fabric, the mesh fabric being disposed on a sound box, the hot melting device comprising:

the supporting piece is used for supporting the mesh cloth, the supporting piece is provided with an adapting surface adapted to the shape of the sound box, and the supporting piece comprises a first tightening end for tightening the mesh cloth; and

the hot melting piece, the hot melting piece with form the crimping region between the first end of tightening up, the hot melting piece butt in first end of tightening up for will be located the regional screen cloth crimping of crimping forms the connection glue film.

Optionally, the hot melting device further comprises a wire take-up cover, the wire take-up cover is rotatably arranged at the first tightening end, the wire take-up cover is provided with a wire take-up cavity for accommodating the mesh wire of the mesh cloth positioned at the first tightening end, the side wall of the wire take-up cover is provided with a wire take-up opening communicated with the wire take-up cavity, and the hot melting piece cover is arranged at the wire take-up cover.

Optionally, the hot melt piece includes heat-conducting plate and heat conduction ring, heat conduction ring locates a surface of heat-conducting plate, heat conduction ring encloses to establish and forms and holds the chamber, receive the line lid and locate hold the chamber, heat conduction ring with form between the first tightening end the crimping is regional.

Optionally, the support member is provided with a heat-melting plane corresponding to the heat-conducting ring, the heat-melting plane is disposed around the wire-winding cover, and the pressure-welding area is formed between the heat-conducting ring and the heat-melting plane.

Optionally, the support member is disposed in an axisymmetric manner, and the heat-melting plane is perpendicular to the symmetry axis of the support member.

Optionally, the support piece includes the reference column, the reference column is located first tightening end, the hot melting device still includes the holding ring, the holding ring cover is located the reference column, receive the line lid and locate the holding ring.

Optionally, the support member further includes a second tightening end away from the first tightening end and a wire binding portion disposed at the second tightening end, and the wire binding portion is used for winding a mesh wire of a mesh cloth disposed at the second tightening end.

Optionally, the hot melting device further includes a base, the base is disposed at the second tightening end of the supporting member, and the wire binding portion is disposed on the base.

Optionally, the base is provided with a wire winding opening, and the beam portion is provided at the wire winding opening.

Optionally, the two beam portions are disposed on two sides of the winding opening.

According to the technical scheme provided by the invention, the mesh cloth is arranged on the supporting piece, and the mesh cloth is supported by the supporting piece. The screen cloth tightens up at support piece's first end of tightening up to make the screen cloth laminating at support piece's surface, support piece's adaptation face is close with the appearance structure of stereo set, so, the state that the screen cloth propped open when strutting piece on state and parcel stereo set is close. At this moment, glue the setting with the hot pressing and lie in the first surface that tightens up the end at the screen cloth, the heating effect through the hot melt spare is pasted hot pressing glue on the screen cloth, from this, hot pressing glue is fixed with the one end of screen cloth to form the connection glue film that is used for pasting the stereo set under the effect of hot melt spare. Under the bonding effect of hot-pressing glue, one end of the screen cloth cannot stretch and deform, so that the continuity of bonding force is ensured. When using this kind of screen cloth, establish the screen cloth directly and accomplish the screen cloth and to the parcel operation of stereo set on the stereo set. According to the technical scheme, the mesh cloth is stretched through the adaptive surface of the supporting piece, so that the mesh cloth is fixed at one end, the phenomenon that the bonded connecting glue layer is pulled and broken is reduced, the viscosity continuity of the connecting glue layer is further ensured, and when the mesh cloth is assembled for the sound box, no gap is formed between the end, provided with the connecting glue layer, of the mesh cloth and the sound box, so that the mesh cloth can effectively cover the outer surface of the sound box.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a heat-melting device according to an embodiment of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic structural view of the wire retrieving cover in FIG. 2 from another view;

FIG. 4 is a schematic view of the hot melt component of FIG. 2 from another perspective.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Support piece	210	Heat conducting plate
101	Hot melt plane	220	Heat conducting ring
				110	First tightening end	221	Containing cavity
120	Second tightening end	30	Wire take-up cover
				130	Positioning column	310	Wire take-up port
140	Wire binding part	320	Wire take-up cavity
				150	Base seat	40	Net cloth
151	Wire winding port	50	Connecting glue layer
				20	Hot melting piece	60	Locating ring

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The screen cloth itself has certain elasticity, and at the in-process of equipment stereo set, the screen cloth can stretch out and draw back and warp, and the glue film of so pasting can appear splitting, perhaps the glue film can extrude together, leads to the adhesion force decline of glue film. When using the screen cloth assembly stereo set, the insecure of bonding end bonding, perhaps there is some positions to bond not in place, appears the clearance between the surface of screen cloth and stereo set, and the screen cloth is difficult to the effectual surface that covers the stereo set.

In order to solve the above problems, referring to fig. 1 and 2, the present invention provides a heat melting device, wherein the heat melting device is applied to a mesh 40, the mesh 40 is disposed on a speaker, and the mesh 40 is disposed on the speaker in a wrapping manner, so as to reduce dust from falling onto the speaker. In addition, the mesh cloth 40 can also isolate a part of light, thereby reducing the oxidation of the sunlight to the sound. The hot melting device comprises: a support member 10 and a thermal melting member 20, the thermal melting member 20 being detachably provided at one end of the support member 10.

The support member 10 is used for supporting the mesh cloth 40, the support member 10 has an adapting surface adapted to the acoustic shape, and the support member 10 comprises a first tightening end 110 for tightening the mesh cloth 40; the net wiring is arranged at the two ends of the net cloth 40, and the corresponding ends of the net cloth 40 can be tightened by stretching the net wiring. After the mesh 40 is disposed on the support member 10, the mesh 40 at the first tightening end 110 is tightened by stretching the mesh wire, so that the state of the mesh 40 is close to or even the same as the state of being assembled on the sound box. For example, the shape of the sound may be spherical or ellipsoidal, and the mating surface of the support member 10 may also be spherical or ellipsoidal, thereby ensuring that the mesh 40 is also spherical or ellipsoidal when the first fastening end 110 is tightened. In addition, the fitting surface of the support 10 may be square.

A crimping area is formed between the thermal melting member 20 and the first tightening end 110, and the thermal melting member 20 abuts against the first tightening end 110 to crimp the mesh cloth 40 located in the crimping area to form the connection adhesive layer 50. For example, the connection adhesive layer 50 includes a double-sided adhesive film, the hot-melt member 20 has a heat conduction function, and after the mesh 40 is disposed on the support member 10, the adhesive film is disposed in the compression bonding area of the mesh 40. The two sides of the adhesive film are both provided with release films, after the release film on one side is torn off, the adhesive film is pasted on the mesh cloth 40, and the release film on the other side is reserved. The hot melting piece 20 is pressed against the release film of the adhesive film, the adhesive film is softened through the heat conduction effect of the hot melting piece 20, the adhesive film is adhered to the mesh cloth 40 in advance, and one end of the mesh cloth 40 can be fixed through the viscosity effect of the adhesive film. When the mesh cloth 40 is used, the release film on the other side of the adhesive film is torn off, and the side of the adhesive film, which is opposite to the mesh cloth 40, is adhered to the sound box, so that the assembly of the mesh cloth 40 is completed.

In the solution proposed in this embodiment, the mesh 40 is disposed on the supporting member 10, and the mesh 40 is supported by the supporting member 10. The mesh 40 is tightened at the first tightening end 110 of the support member 10, so that the mesh 40 is attached to the outer surface of the support member 10, the adaptive surface of the support member 10 is similar to the shape and structure of the audio device, and thus the stretching state of the mesh 40 on the support member 10 is similar to the stretching state when wrapping the audio device. At this time, the hot-pressing glue is disposed on the surface of the mesh cloth 40 at the first tightening end 110, and the hot-pressing glue is adhered to the mesh cloth 40 by the heating action of the hot-melting member 20, so that the hot-pressing glue fixes one end of the mesh cloth 40 and forms the connection glue layer 50 for adhering the audio under the action of the hot-melting member 20. Under the bonding effect of the hot-pressing glue, one end of the mesh cloth 40 cannot stretch and deform, so that the continuity of the bonding force is ensured. When using this kind of screen cloth 40, accomplish the parcel operation of screen cloth 40 to the stereo set with the screen cloth 40 direct cover establish on the stereo set. According to the technical scheme, the mesh 40 is stretched through the adaptive surface of the supporting piece 10, so that the mesh 40 is fixed at one end, the phenomenon that the bonded connecting adhesive layer 50 is pulled and broken is reduced, the viscosity continuity of the connecting adhesive layer 50 is further ensured, and when the mesh 40 is assembled for the sound equipment, no gap is formed between the end, provided with the connecting adhesive layer 50, of the mesh 40 and the sound equipment, so that the mesh 40 can effectively cover the outer surface of the sound equipment.

In the above embodiment, the mesh 40 is provided with the mesh wiring in order to reduce interference of the mesh wiring with the arrangement of the connection adhesive layer 50. Referring to fig. 3, the hot melting device further includes a wire collecting cover 30, the wire collecting cover 30 is rotatably disposed at the first tightening end 110, the wire collecting cover 30 has a wire collecting cavity 320 for accommodating the mesh wire of the mesh cloth 40 located at the first tightening end 110, a wire collecting opening 310 communicated with the wire collecting cavity 320 is formed in a side wall of the wire collecting cover 30, and the hot melting element 20 is covered on the wire collecting cover 30. Before the hot-melting piece 20 is used for hot pressing, the wire collecting cover 30 is rotated, the mesh wire is smoothed out through the wire collecting opening 310, the mesh wire is gradually collected under the rotation action of the wire collecting cover 30, the mesh wire is collected in the wire collecting cavity 320 of the wire collecting cover 30, and the mesh wire is prevented from being exposed outside the mesh wire 40. When hot pressing, avoid the net wiring by the pressfitting on connecting glue film 50, reduce the net wiring to the crimping formation then and connect glue film 50 and cause the influence.

In the above embodiment, in order to avoid the effect of the take-up cover 30 on the crimping action, referring to fig. 4, the thermal melting member 20 includes a thermal conductive plate 210 and a thermal conductive ring 220, the thermal conductive ring 220 is disposed on a surface of the thermal conductive plate 210, the thermal conductive ring 220 is surrounded to form an accommodating cavity 221, the take-up cover 30 is disposed in the accommodating cavity 221, and a crimping area is formed between the thermal conductive ring 220 and the first tightening end 110. Therefore, when the crimping is performed, the wire take-up cover 30 can be accommodated in the accommodating cavity 221, so that the heat conduction ring 220 avoids the wire take-up cover 30, one end of the heat conduction ring 220 can abut against the surface of the support member 10, and a crimping area is formed between the heat conduction ring 220 and the first tightening end 110.

In the above embodiment, the support member 10 is provided with the heat-melting plane 101 corresponding to the heat-conducting ring 220, the heat-melting plane 101 is provided around the wire-rewinding cover 30, and the heat-conducting ring 220 and the heat-melting plane 101 form a crimping area therebetween. The web 40 is disposed on the support member 10 in a nested manner, such that it is understood that at the first gathering end 110, the contact surface of the web 40 and the support member 10 is annular. In order to further improve the adhesion degree between the mesh cloth 40 and the outer surface of the sound, the hot-melting plane 101 is also arranged in a ring shape, the hot-melting plane 101 is a compression joint surface of the heat conduction ring 220 compression joint mesh cloth 40, and the connection adhesive layer 50 formed by compression joint is formed on the hot-melting plane 101, and it can be known that the connection adhesive layer 50 is also arranged in a ring shape.

In the above embodiment, the support member 10 is disposed axisymmetrically, and the fusing plane 101 is perpendicular to the symmetry axis of the support member 10. Since the fitting surface of the support member 10 is fitted to the external shape of the audio, it can be understood that the fitting surface of the support member 10 is close to the external shape of the audio, or the fitting surface of the support member 10 is identical to the external shape of the audio. The support 10 is arranged axisymmetrically, for example spherical. It will be appreciated that the corresponding configuration of the sound system is symmetrical and regular. The hot melting plane 101 is perpendicular to the symmetry axis, and after the mesh 40 is disposed on the support member 10, the surface of the mesh 40 at the first tightening end 110 is also perpendicular to the symmetry axis, so as to avoid the surface of the mesh 40 from being uneven, and therefore, when the pressure welding is performed, the formed connecting adhesive layer 50 is also more even.

In order to ensure that the mesh wires of the mesh 40 at the first tightening end 110 are gathered more neatly, the supporting member 10 includes a positioning column 130, the positioning column 130 is disposed at the first tightening end 110, the heat melting device further includes a positioning ring 60, the positioning ring 60 is sleeved on the positioning column 130, and the wire-collecting cover 30 is covered on the positioning ring 60. The volume of the wire take-up cavity 320 can be compressed through the positioning ring 60, so that the phenomenon that wires are wound around each other due to the fact that the volume of the wire take-up cavity 320 is too large is avoided, and the wires are smoothed out conveniently. In addition, when the net wires are too long, the positioning ring 60 can be detached, the volume of the wire winding cavity 320 is enlarged, and more net wires can be stored in the wire winding cavity 320.

Both ends of the mesh 40 are provided with mesh wires, and in order to ensure the firmness of the mesh 40 disposed on the support member 10, the support member 10 further includes a second tightening end 120 away from the first tightening end 110 and a wire binding portion 140 disposed at the second tightening end 120, wherein the wire binding portion 140 is used for winding the mesh wires of the mesh 40 disposed at the second tightening end 120. The web wire at the second fastening end 120 is secured to the bunching portion 140 by wrapping, which ensures that the web 40 is also in a tightened state at the second fastening end 120, thereby causing the web 40 to generally conform to the mating surface of the support member 10.

In the above embodiment, the heat-melting device further includes a base 150, the base 150 is disposed at the second tightening end 120 of the supporting member 10, and the wire-tying portion 140 is disposed at the base 150. For example, the bunching part 140 is a rod-shaped structure, the bunching part 140 is inserted into the base 150 or is rotatably connected to the base 150, and a blocking protrusion is disposed at an end of the bunching part 140 away from the base 150, the blocking protrusion has a larger diameter, and the diameter of the blocking protrusion is larger than that of the rod-shaped portion of the bunching part 140, so as to prevent the wrapped bunching wire from sliding off the bunching part 140.

In the above embodiment, the mesh wire is easily scratched to the base 150 during the winding operation, and therefore the base 150 is provided with the winding opening 151, and the bunching part 140 is provided in the winding opening 151. In this way, when the net wiring is wound, the net wiring can avoid the block of the base 150, so that the net wiring can be smoothly wound around the bunching part 140. Similarly, the hands can be prevented from rubbing the base 150, and the operators can be prevented from being injured.

In the above embodiment, the beam portion 140 includes two, and the two beam portions 140 are partially disposed at both sides of the winding opening 151. When the net wiring is short, the single wire harness portion 140 can complete winding, but when the net wiring is long, the winding time is long, and the net wiring is difficult to complete fixing quickly. After the two bunching parts 140 are arranged, a certain distance is reserved between the two bunching parts 140, and the winding space of the net cabling is enlarged by winding between the two bunching parts 140, so that a long distance of the net cabling can be fixed by one winding action. The number of times of winding is reduced, thereby shortening the winding fixing time.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a hot melting device, its characterized in that, hot melting device is applied to the screen cloth, the stereo set is located to the screen cloth, hot melting device includes:

2. The hot melting device according to claim 1, further comprising a wire take-up cover rotatably disposed at the first tightening end, wherein the wire take-up cover has a wire take-up chamber for accommodating the mesh wire of the mesh cloth at the first tightening end, a wire take-up opening communicating with the wire take-up chamber is formed in a side wall of the wire take-up cover, and the hot melting member is covered on the wire take-up cover.

3. The hot melting device as claimed in claim 2, wherein the hot melting element comprises a heat conducting plate and a heat conducting ring, the heat conducting ring is disposed on a surface of the heat conducting plate, the heat conducting ring is surrounded to form a containing cavity, the take-up cover is disposed in the containing cavity, and the compression joint area is formed between the heat conducting ring and the first tightening end.

4. The fuse device according to claim 3, wherein the supporting member is provided with a fuse plane corresponding to the heat-conducting ring, the fuse plane is disposed around the wire-rewinding cover, and the heat-conducting ring and the fuse plane form the crimping area therebetween.

5. The fuse device of claim 4, wherein the support member is axisymmetrically arranged, and the fuse plane is perpendicular to the axis of symmetry of the support member.

6. The fuse device according to claim 2, wherein the supporting member includes a positioning post disposed at the first tightening end, the fuse device further includes a positioning ring sleeved on the positioning post, and the wire-tightening cover is disposed on the positioning ring.

7. The heat stake device of any one of claims 1 to 6, wherein said support member further comprises a second gathering end facing away from said first gathering end and a wire lacing portion disposed at said second gathering end for routing a wire of a mesh disposed at said second gathering end.

8. The fuse device of claim 7, further comprising a base, wherein the base is disposed at the second tightening end of the support member, and wherein the wire harness portion is disposed at the base.

9. The fuse device according to claim 8, wherein the base is provided with a wire winding opening, and the wire harness portion is provided at the wire winding opening.

10. The heat stake device as set forth in claim 9, wherein said wire binding portions comprise two, said two being disposed on opposite sides of said wire winding opening.