CN213972424U - Loudspeaker diaphragm forming tool die - Google Patents

Abstract

The utility model relates to a loudspeaker diaphragm processing technology field specifically is a loudspeaker diaphragm shaping frock mould, which comprises a base, the base top ann has two first driving cylinders, even there is the lower mould between first driving cylinder piston rod end, and the base top is located fixed frame outside ann and has two second driving cylinders, even there is last mould between second driving cylinder piston rod end, and inside the opening of lower mould has first cooling chamber, and the lower mould bottom is equipped with first coolant liquid import pipe and first coolant liquid outlet pipe respectively, goes up the inside second cooling chamber that opens of mould, goes up mould lateral wall both sides and is equipped with second coolant liquid import pipe and second coolant liquid outlet pipe respectively. This loudspeaker diaphragm shaping frock mould carries out loudspeaker diaphragm forming process in, injects the coolant liquid through first coolant liquid import pipe and second coolant liquid import pipe to lower mould and last mould, with the lower mould with last mould heat transfer, takes away the lower mould, goes up the heat on mould and the loudspeaker diaphragm for loudspeaker diaphragm cooling, the even and quality of loudspeaker diaphragm thickness of guaranteeing to make.

Description

Loudspeaker diaphragm forming tool die

Technical Field

The utility model relates to a loudspeaker diaphragm processing technology field specifically is a loudspeaker diaphragm shaping frock mould.

Background

One of the most important parts in a loudspeaker during a loudspeaker diaphragm is that in use, audio electric energy enables the diaphragm to vibrate and resonate with surrounding air through electromagnetic, piezoelectric or electrostatic effects to produce sound, the loudspeaker diaphragm is widely applied to sound-producing electronic and electrical equipment, the existing loudspeaker diaphragm is generally manufactured through casting molding, most of existing molding tool molds do not have a heat dissipation function, the loudspeaker diaphragm is slow in cooling speed in the loudspeaker diaphragm production process, the condition that the thickness of the loudspeaker diaphragm is uneven easily occurs, and the quality and later-stage use of the loudspeaker diaphragm are affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a loudspeaker diaphragm shaping frock mould to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a horn diaphragm forming tool mold comprises a base with a disc-shaped structure, wherein a plurality of support columns which are distributed along the vertical direction and are in an annular array are arranged at the bottom of the base, a fixed frame with a cylindrical structure is connected between the tops of the support columns, a through groove which is communicated up and down is formed in the top of the fixed frame, two symmetrical first driving cylinders are arranged under the fixed frame at the top of the base, a lower mold with a cylindrical structure is connected between the piston rods of the two first driving cylinders and upwards, the outer diameter of the lower mold is matched with the inner diameter of the through groove and is positioned in the through groove, a forming groove is formed in the top of the lower mold, two symmetrical second driving cylinders are arranged on the top of the base and outside the fixed frame, an upper mold with an annular structure is connected between the piston rods of the two second driving cylinders and upwards and the tail end of the second driving cylinders, the outer diameter of going up the mould and the inner diameter of leading to the groove size looks adaptation, just it is located leading to the groove directly over to go up the mould, it is equipped with the shaping lug to go up the mould bottom, go up mould top intermediate position and set up the sprue gate that runs through, the inside first cooling chamber of having seted up of lower mould, lower mould bottom both ends are equipped with first coolant liquid import pipe and the first coolant liquid outlet pipe that is linked together with first cooling chamber respectively, go up the inside second cooling chamber of having seted up of mould, it is equipped with second coolant liquid import pipe and the second coolant liquid outlet pipe that communicates with second cooling chamber inside respectively to go up mould lateral wall both sides.

Preferably, the support column is tightly welded on the base, and the fixing frame is tightly welded on the support column.

Preferably, the first driving cylinder is fixed on the base through screw locking, and the lower die is fixed on the tail end of the piston rod of the first driving cylinder through screw locking.

Preferably, the forming lug and the upper die are of an integrally formed structure.

Preferably, the second driving cylinder is fixed on the base through screw locking.

Preferably, the top edge of going up the mould lateral wall is equipped with two symmetries and with the connecting block of second actuating cylinder one-to-one, the connecting block passes through screw locking to be fixed on the piston rod end of second actuating cylinder.

Compared with the prior art, the beneficial effects of the utility model are that:

this loudspeaker diaphragm shaping frock mould, first cooling chamber and second cooling chamber have been seted up respectively in frock mould's lower mould and last mould, in carrying out loudspeaker diaphragm shaping process, inject the coolant liquid into lower mould and last mould through first coolant liquid import pipe and second coolant liquid import pipe respectively, carry out the heat transfer with lower mould and last mould, discharge from first coolant liquid outlet pipe and second coolant liquid outlet pipe again, take away the heat on lower mould and last mould and the loudspeaker diaphragm for the cooling efficiency of loudspeaker diaphragm, the loudspeaker diaphragm thickness of guaranteeing to make is even, and then ensure its quality.

Drawings

Fig. 1 is a schematic view of an overall first form structure of the present invention;

fig. 2 is a schematic structural view of a second overall form of the present invention;

fig. 3 is a schematic structural view of the middle fixing frame of the present invention;

FIG. 4 is a cross-sectional view of the structure of the middle and lower dies of the present invention;

fig. 5 is a structural cross-sectional view of the middle upper die of the present invention.

In the figure:

1. a base;

2. a support pillar;

3. a fixing frame; 30. a through groove;

4. a first drive cylinder;

5. a lower die; 50. forming a groove; 51. a first cooling chamber;

6. a second drive cylinder;

7. an upper die; 70. forming a bump; 71. a second cooling chamber; 72. connecting blocks;

8. a first coolant inlet tube;

9. a first coolant outlet pipe;

10. a second coolant inlet tube;

11. and a second coolant outlet pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-5, the present invention provides a technical solution:

a horn diaphragm forming tool mold comprises a base 1 with a disc-shaped structure, a plurality of support columns 2 which are distributed along the vertical direction and are in an annular array are arranged at the bottom of the base 1, a fixing frame 3 with a cylindrical structure is connected between the tops of the support columns 2, a through groove 30 which is communicated up and down is formed in the top of the fixing frame 3, two symmetrical first driving cylinders 4 are arranged under the fixing frame 3 at the top of the base 1, lower molds 5 with cylindrical structures are connected between the tail ends of the piston rods of the two first driving cylinders 4 in the vertical upward direction, the outer diameter of each lower mold 5 is matched with the inner diameter of the through groove 30 and are positioned in the through groove 30, forming grooves 50 are formed in the top of each lower mold 5, two symmetrical second driving cylinders 6 are arranged on the outer side of the fixing frame 3 at the top of the base 1, upper molds 7 with annular structures are connected between the tail ends of the piston rods of the two second driving cylinders 6 in the vertical upward direction, go up the external diameter size of mould 7 and lead to the internal diameter size looks adaptation of groove 30, and go up mould 7 and be located and lead to groove 30 directly over, it is equipped with shaping lug 70 to go up mould 7 bottom, go up mould 7 top intermediate position and offer the sprue gate that runs through, when the production shaping, retract by the piston rod of second driving cylinder 6, it moves down to drive last mould 7, cooperate with lower mould 5, form the shaping cavity between 50 and the shaping lug through the shaping groove, pour into fused raw materials into the shaping cavity from the sprue gate again, recooling shaping, after the shaping, stretch out by the piston rod of second driving cylinder 6 earlier, it demolds to drive last mould 7 rebound, stretch out by the piston rod of first driving cylinder 4 again, it goes out to drive lower mould 5 and loudspeaker diaphragm rebound ejection of compact.

In the embodiment, a first cooling cavity 51 is formed in the lower die 5, a first cooling liquid inlet pipe 8 and a first cooling liquid outlet pipe 9 communicated with the first cooling cavity 51 are respectively arranged at two ends of the bottom of the lower die 5, a second cooling cavity 71 is formed in the upper die 7, a second cooling liquid inlet pipe 10 and a second cooling liquid outlet pipe 11 communicated with the second cooling cavity 71 are respectively arranged at two sides of the outer side wall of the upper die 7, during the horn diaphragm forming process, cooling liquid is respectively injected into the first cooling cavity 51 and the second cooling cavity 71 through the first cooling liquid inlet pipe 8 and the second cooling liquid inlet pipe 10 to exchange heat with the lower die 5 and the upper die 7, and then is discharged from the first cooling liquid outlet pipe 9 and the second cooling liquid outlet pipe 11 to take away heat on the lower die 5, the upper die 7 and the horn diaphragm, so as to accelerate the cooling efficiency of the horn diaphragm and ensure the uniform thickness of the manufactured horn diaphragm, thereby ensuring the quality thereof.

Besides, first actuating cylinder 4 passes through screw locking to be fixed on base 1, and lower mould 5 passes through screw locking to be fixed on the piston rod end of first actuating cylinder 4, second actuating cylinder 6 passes through screw locking to be fixed on base 1, go up the top edge of mould 7 lateral wall and be equipped with two symmetries and with the connecting block 72 of second actuating cylinder 6 one-to-one, connecting block 72 passes through screw locking to be fixed on the piston rod end of second actuating cylinder 6, screw locking is fixed and is convenient for the installation dismantlement and the later stage damages the after-maintenance change.

Further, the forming bump 70 and the upper die 7 are of an integrally formed structure, the integrally formed structure is convenient to produce, the produced product is high in size precision, raw materials are saved, the integrally formed structure is stable, and the forming die is not prone to deformation and damage in the using process and long in service life.

Specifically, the support column 2 welds closely on base 1, and fixed frame 3 welds closely on support column 2, and welded fastening stable in structure is difficult for droing the damage in the use, long service life.

When the horn diaphragm forming tool die is used, a worker firstly checks the integrity of the device and whether the connection of each part is firm; then, the piston rod of the second driving cylinder 6 retracts to drive the upper die 7 to move downwards to match with the lower die 5, and a forming cavity is formed between the forming groove 50 and the forming lug 70; then injecting the melted raw materials into the molding cavity from the pouring hole; then, respectively injecting cooling liquid into the first cooling cavity 51 and the second cooling cavity 71 through the first cooling liquid inlet pipe 8 and the second cooling liquid inlet pipe 10, exchanging heat with the lower die 5 and the upper die 7, and then discharging the cooling liquid from the first cooling liquid outlet pipe 9 and the second cooling liquid outlet pipe 11 to take away heat on the lower die 5, the upper die 7 and the horn diaphragm, so as to accelerate the cooling forming of the horn diaphragm; after the loudspeaker diaphragm cooling shaping, stretch out by the piston rod of second driving cylinder 6 earlier, drive and go up mould 7 rebound drawing of patterns, stretch out by the piston rod of first driving cylinder 4 again, drive the ejection of compact of lower mould 5 and loudspeaker diaphragm rebound.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a loudspeaker diaphragm shaping frock mould which characterized in that: the device comprises a base (1) with a disc-shaped structure, wherein a plurality of supporting columns (2) which are distributed along the vertical direction and in an annular array are arranged at the bottom of the base (1), a fixing frame (3) with a cylindrical structure is connected between the tops of the supporting columns (2), a through groove (30) which is communicated up and down is formed in the top of the fixing frame (3), two symmetrical first driving cylinders (4) are arranged at the top of the base (1) under the fixing frame (3), piston rods of the two first driving cylinders (4) are vertically upward, a lower die (5) with a cylindrical structure is connected between the tail ends of the piston rods, the outer diameter of the lower die (5) is matched with the inner diameter of the through groove (30) and is positioned in the through groove (30), a forming groove (50) is formed in the top of the lower die (5), two symmetrical second driving cylinders (6) are arranged at the top of the base (1) outside the fixing frame (3), the piston rods of the two second driving cylinders (6) are upward vertically, an upper die (7) in a circular ring structure is connected between the tail ends of the piston rods, the outer diameter of the upper die (7) is matched with the inner diameter of the through groove (30), the upper die (7) is positioned right above the through groove (30), the bottom of the upper die (7) is provided with a forming lug (70), a through pouring hole is arranged in the middle of the top of the upper die (7), a first cooling cavity (51) is arranged in the lower die (5), a first cooling liquid inlet pipe (8) and a first cooling liquid outlet pipe (9) which are communicated with the first cooling cavity (51) are respectively arranged at two ends of the bottom of the lower die (5), a second cooling cavity (71) is formed in the upper die (7), and a second cooling liquid inlet pipe (10) and a second cooling liquid outlet pipe (11) communicated with the inside of the second cooling cavity (71) are respectively arranged on two sides of the outer side wall of the upper die (7).

2. The loudspeaker diaphragm forming tool mould of claim 1, characterized in that: the support column (2) is tightly welded on the base (1), and the fixing frame (3) is tightly welded on the support column (2).

3. The loudspeaker diaphragm forming tool mould of claim 1, characterized in that: the first driving cylinder (4) is fixed on the base (1) through screw locking, and the lower die (5) is fixed at the tail end of a piston rod of the first driving cylinder (4) through screw locking.

4. The loudspeaker diaphragm forming tool mould of claim 1, characterized in that: the forming lug (70) and the upper die (7) are of an integrated forming structure.

5. The loudspeaker diaphragm forming tool mould of claim 1, characterized in that: the second driving cylinder (6) is locked and fixed on the base (1) through screws.

6. The loudspeaker diaphragm forming tool mould of claim 1, characterized in that: go up the top edge of mould (7) lateral wall and be equipped with two symmetries and with connecting block (72) of second actuating cylinder (6) one-to-one, connecting block (72) are fixed on the piston rod tip of second actuating cylinder (6) through screw locking.

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