CN107812672B - Special dispensing head for loudspeaker production - Google Patents
Special dispensing head for loudspeaker production Download PDFInfo
- Publication number
- CN107812672B CN107812672B CN201711401979.3A CN201711401979A CN107812672B CN 107812672 B CN107812672 B CN 107812672B CN 201711401979 A CN201711401979 A CN 201711401979A CN 107812672 B CN107812672 B CN 107812672B
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- China
- Prior art keywords
- sealing ring
- surface sealing
- dispensing
- dispensing head
- limiting
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
- H04R31/006—Interconnection of transducer parts
Abstract
The invention provides a special dispensing head for loudspeaker production, which comprises a dispensing head main body and a sealing gasket, wherein the sealing gasket is sleeved on the dispensing head main body and consists of two single-sided sealing gaskets, the two single-sided sealing gaskets are connected through an air cushion, a surface sealing ring and a wire sealing ring are arranged on the sealing gasket, an adsorption port is arranged on the surface sealing ring, the wire sealing ring and an adsorption groove are positioned between the surface sealing rings, and the dispensing head main body comprises a cannula part, a connecting part, a relay part and a dispensing part.
Description
Technical Field
The invention relates to a dispensing head, in particular to a dispensing head special for loudspeaker production.
Background
Speaker speakers are also known as "horns". Is a very common electroacoustic transducer device which can be seen in sounding electronic and electric equipment.
In speaker production, dispensing is typically performed using a dispenser, and then the inside fillets of the speaker are bonded. The commonly used dispensing machine is a hot melt adhesive dispensing machine, and the hot melt adhesive dispensing machine performs dispensing operation of glue by utilizing the characteristic that solid hot melt adhesive is heated to be in a molten state and then contacts with air to solidify when the surface is cooled.
When carrying out the point and scribble the work, the ubiquitous problem is that the point glues the head and glues the subassembly of gluing of machine and is mostly anchor clamps and directly links, and the point glues the head and glues the subassembly and lack certain axial protection, leads to point to glue the head unstable in position, and general point glues the head and glues the hookup location of anchor clamps moreover, is mostly annular, leads to point to glue the head sealing gasket and glues the subassembly between lack necessary sealing pressure, and sealing effect is not good, and old type sealing gasket sealing performance is not strong simultaneously, and the seepage is easy, and the colloid oozes easily, and old type sealing gasket is because elastic stress is not lasting, loses the bullet easily, leads to sealing gasket sealing to appear jaggedly.
Disclosure of Invention
The invention discloses a special dispensing head for loudspeaker production aiming at the problems.
The specific technical scheme is as follows:
the special dispensing head for loudspeaker production comprises a dispensing head main body and sealing gaskets, and is characterized in that the sealing gaskets are formed by two cylindrical single-sided sealing gaskets which are connected through a plurality of air cushions and are symmetrically distributed relative to the air cushions, and the air cushions are cylindrical; the single-sided sealing gasket comprises a sealing end, 3 surface sealing rings and 1 line sealing ring are arranged on the sealing end, the 3 surface sealing rings are respectively a first surface sealing ring, a second surface sealing ring and a third surface sealing ring, the first surface sealing ring, the second surface sealing ring and the third surface sealing ring are all in circular rings, the diameters of the circular rings are sequentially increased, the first surface sealing ring, the second surface sealing ring and the third surface sealing ring are protruded at the sealing end, a plurality of adsorption ports which are uniformly distributed in the circumferential direction are formed in the outer end face of the sealing end, and the adsorption ports are hemispherical and are sunken in the outer end face of the surface sealing ring;
the line sealing ring is positioned in the groove between the second surface sealing ring and the third surface sealing ring, the cross section of the line sealing ring is an isosceles triangle, the top of the isosceles triangle formed by the cross section of the line sealing ring is flush with the outer end surface of the surface sealing ring, the angle of the vertex angle is delta, and the delta is 10-30 degrees; an adsorption groove is formed between the first surface sealing ring and the second surface sealing ring, the adsorption groove is a circular groove, and the section of the adsorption groove is semicircular; the single-sided sealing gasket is characterized in that a through hole is formed in the middle of a cylinder shape, the through hole is cylindrical, a limiting ring is arranged on the inner wall of the through hole, 3 semicircular limiting openings are formed in the limiting ring, and the 3 limiting openings are uniformly distributed in the circumferential direction;
the dispensing head main body comprises a cannula part, a connecting part, a relay part and a dispensing part, wherein the cannula part, the connecting part, the relay part and the dispensing part are of an integrated structure, the cannula part is cylindrical, the cylindrical shape of the cannula part is matched with a limiting ring, a limiting strip is arranged on the outer wall of the lower half part of the cannula part, the limiting strip is matched with a limiting opening, the connecting part consists of a limiting plate and a connecting block, the limiting plate is cylindrical, the upper end surface of the limiting plate is a plane and is perpendicular to the cylindrical axis of the cannula part, the connecting block and the limiting plate are of an integrated structure, the connecting block is positioned at the lower side of the limiting plate and is of an inverted cone shape, the relay part is cylindrical, and the dispensing part is of an inverted cone shape; the sealing gasket is sleeved on the cannula part, and the lower end surface of the sealing gasket is attached to the limiting plate;
the dispensing head comprises a dispensing head main body, wherein a dispensing channel which is vertically communicated is arranged in the dispensing head main body, the dispensing channel sequentially comprises a first channel positioned in a cannula part, a second channel positioned in a connecting part and a relay part and a third channel positioned in the dispensing part from top to bottom, the first channel is in an inverted cone shape, an upper opening is large, a lower opening is small, the second channel is communicated with the first channel and is in a cylindrical shape, and the third channel is in an inverted cone shape;
further, the plurality of air cushions are uniformly distributed;
further, in the plurality of adsorption ports circumferentially and uniformly distributed on the first surface sealing ring, the interval angle between two adjacent adsorption ports is alpha, and the alpha is 30 degrees;
further, among a plurality of adsorption ports circumferentially and uniformly distributed on the second surface sealing ring, the interval angle between two adjacent adsorption ports is beta, and the beta is 20 degrees;
furthermore, among the plurality of adsorption ports circumferentially and uniformly distributed on the third face sealing ring, the interval angle between two adjacent adsorption ports is gamma, and the gamma is 15 degrees.
The beneficial effects of the invention are as follows:
the invention provides a special dispensing head for loudspeaker production, which comprises a dispensing head main body and a sealing gasket, wherein the sealing gasket is sleeved on the dispensing head main body and consists of two single-sided sealing gaskets, the two single-sided sealing gaskets are connected through an air cushion, a surface sealing ring and a wire sealing ring are arranged on the sealing gasket, the surface sealing rings are concentrically arranged in multiple rings, an adsorption port is arranged on the outer end surface, the wire sealing ring and an adsorption groove are positioned between the surface sealing rings, and the dispensing head main body comprises an insertion pipe part, a connecting part, a relay part and a dispensing part.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a top view of the present gasket.
Fig. 3 is a cross-sectional view taken along A-A in fig. 2.
Fig. 4 is a schematic view of a dispensing head.
Fig. 5 is a cross-sectional view of the dispensing head body.
Detailed Description
In order to make the technical scheme of the invention clearer and more definite, the invention is further described below with reference to the accompanying drawings, and any scheme obtained by carrying out equivalent substitution and conventional reasoning on the technical characteristics of the technical scheme of the invention falls into the protection scope of the invention.
The special dispensing head for loudspeaker production comprises a dispensing head main body 14 and a sealing gasket 1, and is characterized in that the sealing gasket 1 is composed of two cylindrical single-sided sealing gaskets 2, the single-sided sealing gaskets 2 are connected through a plurality of air cushions 3, the air cushions 3 are symmetrically distributed about the air cushions 3, and the air cushions 3 are cylindrical; the single-sided sealing gasket 2 comprises a sealing end 4, 3 surface sealing rings and 1 line sealing ring 5 are arranged on the sealing end 4, the 3 surface sealing rings are a first surface sealing ring 6, a second surface sealing ring 7 and a third surface sealing ring 8 respectively, the first surface sealing ring 6, the second surface sealing ring 7 and the third surface sealing ring 8 are all in circular rings, the diameters of the circular rings are sequentially increased, the first surface sealing ring 6, the second surface sealing ring 7 and the third surface sealing ring 8 are protruded out of the sealing end 4, a plurality of adsorption ports 9 which are uniformly distributed in the circumferential direction are formed in the outer end face of the sealing end, and the adsorption ports 9 are hemispherical and are recessed in the outer end face of the surface sealing ring;
the line sealing ring 5 is positioned in a groove between the second surface sealing ring 7 and the third surface sealing ring 8, is in a circular ring shape, the section of the line sealing ring is in an isosceles triangle shape, the top of the isosceles triangle shape formed by the section of the line sealing ring 5 is flush with the outer end surface of the surface sealing ring, the angle of the vertex angle is delta, and the delta is 10-30 degrees; an adsorption groove 10 is arranged between the first surface sealing ring 6 and the second surface sealing ring 7, the adsorption groove 10 is a circular groove, and the section of the adsorption groove 10 is semicircular; the single-sided sealing gasket 2 is characterized in that a through hole 11 is formed in the middle of the cylinder shape, the through hole 11 is cylindrical, a limiting ring 12 is arranged on the inner wall of the through hole, 3 semicircular limiting openings 13 are formed in the limiting ring 12, and the 3 limiting openings 13 are uniformly distributed in the circumferential direction;
the dispensing head main body 14 comprises a cannula part 15, a connecting part 16, a relay part 17 and a dispensing part 18, wherein the cannula part 15, the connecting part 16, the relay part 17 and the dispensing part 18 are of an integrated structure, the cannula part 15 is of a cylinder shape, the cylinder shape is matched with the limiting ring 12, a limiting strip 19 is arranged on the outer wall of the lower half part of the cannula part 15, the limiting strip 19 is matched with the limiting opening 13, the connecting part 16 is composed of a limiting plate 20 and a connecting block 21, the limiting plate 20 is of a cylinder shape, the upper end surface of the limiting plate is of a plane and is perpendicular to the cylinder axis of the cannula part 15, the connecting block 21 and the limiting plate 20 are of an integrated structure, the connecting block is positioned at the lower side of the limiting plate 20 and is of an inverted cone shape, the relay part 17 is of a cylinder shape, and the dispensing part 18 is of an inverted cone shape; the sealing gasket 1 is sleeved on the insertion tube part 15, and the lower end surface of the sealing gasket is attached to the limiting plate 20;
the dispensing head main body is internally provided with a dispensing channel 22 which is vertically penetrated, the dispensing channel 22 sequentially comprises a first channel 23 positioned in the insertion pipe part 15, a second channel 24 positioned in the connecting part 16 and the relay part 17 and a third channel 25 positioned in the dispensing part 18 from top to bottom, the first channel 23 is in an inverted cone shape, the upper opening is large, the lower opening is small, the second channel 24 is communicated with the first channel 23 and is in a cylindrical shape, and the third channel 25 is in an inverted cone shape;
further, the plurality of air cushions 3 are uniformly distributed;
further, among the plurality of adsorption ports 9 circumferentially and uniformly distributed on the first surface sealing ring 6, the interval angle between two adjacent adsorption ports 9 is α, and α is 30 °;
further, among the plurality of adsorption ports 9 circumferentially and uniformly distributed on the second surface sealing ring 7, the interval angle between two adjacent adsorption ports 9 is β, and β is 20 °;
further, among the plurality of adsorption ports 9 circumferentially and uniformly distributed on the third face seal ring 8, the interval angle between two adjacent adsorption ports 9 is γ, and γ is 15 °.
The invention provides a special dispensing head for loudspeaker production, which comprises a dispensing head main body and a sealing gasket, wherein the sealing gasket is sleeved on the dispensing head main body and consists of two single-sided sealing gaskets, the two single-sided sealing gaskets are connected through an air cushion, a surface sealing ring and a wire sealing ring are arranged on the sealing gasket, the surface sealing rings are concentrically arranged in multiple rings, an adsorption port is arranged on the outer end surface, the wire sealing ring and an adsorption groove are positioned between the surface sealing rings, and the dispensing head main body comprises an insertion pipe part, a connecting part, a relay part and a dispensing part.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (2)
1. The special dispensing head for loudspeaker production comprises a dispensing head main body and sealing gaskets, and is characterized in that the sealing gaskets are formed by two cylindrical single-sided sealing gaskets which are connected through a plurality of air cushions and are symmetrically distributed relative to the air cushions, and the air cushions are cylindrical; the single-sided sealing gasket comprises a sealing end, 3 surface sealing rings and 1 line sealing ring are arranged on the sealing end, the 3 surface sealing rings are respectively a first surface sealing ring, a second surface sealing ring and a third surface sealing ring, the first surface sealing ring, the second surface sealing ring and the third surface sealing ring are all in circular rings, the diameters of the circular rings are sequentially increased, the first surface sealing ring, the second surface sealing ring and the third surface sealing ring are protruded at the sealing end, a plurality of adsorption ports which are uniformly distributed in the circumferential direction are formed in the outer end face of the sealing end, and the adsorption ports are hemispherical and are sunken in the outer end face of the surface sealing ring;
the line sealing ring is positioned in the groove between the second surface sealing ring and the third surface sealing ring, the cross section of the line sealing ring is an isosceles triangle, the top of the isosceles triangle formed by the cross section of the line sealing ring is flush with the outer end surface of the surface sealing ring, the angle of the vertex angle is delta, and the delta is 10-30 degrees; an adsorption groove is formed between the first surface sealing ring and the second surface sealing ring, the adsorption groove is a circular groove, and the section of the adsorption groove is semicircular; the single-sided sealing gasket is characterized in that a through hole is formed in the middle of a cylinder shape, the through hole is cylindrical, a limiting ring is arranged on the inner wall of the through hole, 3 semicircular limiting openings are formed in the limiting ring, and the 3 limiting openings are uniformly distributed in the circumferential direction;
the dispensing head main body comprises a cannula part, a connecting part, a relay part and a dispensing part, wherein the cannula part, the connecting part, the relay part and the dispensing part are of an integrated structure, the cannula part is cylindrical, the cylindrical shape of the cannula part is matched with a limiting ring, a limiting strip is arranged on the outer wall of the lower half part of the cannula part, the limiting strip is matched with a limiting opening, the connecting part consists of a limiting plate and a connecting block, the limiting plate is cylindrical, the upper end surface of the limiting plate is a plane and is perpendicular to the cylindrical axis of the cannula part, the connecting block and the limiting plate are of an integrated structure, the connecting block is positioned at the lower side of the limiting plate and is of an inverted cone shape, the relay part is cylindrical, and the dispensing part is of an inverted cone shape; the sealing gasket is sleeved on the cannula part, and the lower end surface of the sealing gasket is attached to the limiting plate;
the dispensing head comprises a dispensing head main body, wherein a dispensing channel which is vertically communicated is arranged in the dispensing head main body, the dispensing channel sequentially comprises a first channel positioned in a cannula part, a second channel positioned in a connecting part and a relay part and a third channel positioned in the dispensing part from top to bottom, the first channel is in an inverted cone shape, an upper opening is large, a lower opening is small, the second channel is communicated with the first channel and is in a cylindrical shape, and the third channel is in an inverted cone shape;
the plurality of air cushions are uniformly distributed;
among a plurality of adsorption ports circumferentially and uniformly distributed on the first surface sealing ring, the interval angle of two adjacent adsorption ports is alpha, and the alpha is 30 degrees;
among a plurality of adsorption ports which are circumferentially and uniformly distributed on the second surface sealing ring, the interval angle of two adjacent adsorption ports is beta, and the beta is 20 degrees.
2. The dispensing head special for loudspeaker production according to claim 1, wherein among the plurality of adsorption ports circumferentially and uniformly distributed on the third face sealing ring, the interval angle between two adjacent adsorption ports is gamma, and the gamma is 15 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711401979.3A CN107812672B (en) | 2017-12-22 | 2017-12-22 | Special dispensing head for loudspeaker production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711401979.3A CN107812672B (en) | 2017-12-22 | 2017-12-22 | Special dispensing head for loudspeaker production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107812672A CN107812672A (en) | 2018-03-20 |
| CN107812672B true CN107812672B (en) | 2023-06-13 |
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ID=61606257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711401979.3A Active CN107812672B (en) | 2017-12-22 | 2017-12-22 | Special dispensing head for loudspeaker production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107812672B (en) |
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| CN1136302A (en) * | 1993-10-12 | 1996-11-20 | 普罗克特和甘保尔公司 | Aerosol Package with adjustable spray characteristics |
| CA2143904A1 (en) * | 1994-03-16 | 1995-09-17 | Paul S. Brusko | Fluid applicator |
| CN101135302A (en) * | 2007-09-20 | 2008-03-05 | 胡松海 | Plastic high-pressure plunger pump |
| CN102597675A (en) * | 2009-09-04 | 2012-07-18 | 艾博特心血管系统公司 | Drug-eluting coatings applied to medical devices by spraying and drying to remove solvent |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107812672A (en) | 2018-03-20 |
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