CN206154586U - Paste forming die in sound membrane - Google Patents

Abstract

The utility model discloses a paste forming die in sound membrane, including last mould and with go up the lower mould of mould adaptation, the lower terminal surface of going up the mould is equipped with the convex part, the up end of lower mould be equipped with with the concave part of convex part adaptation, the concave part with still be equipped with the extrusion layer between the convex part, the lower mould corresponding to the position of concave part still is equipped with concave shaping position of establishing, the lower face area of convex part is greater than the up end area of shaping portion, the lower face area of concave part is greater than the lower face area of convex part. The utility model discloses a to the shaping that extrusion layer pressurization realized pasting the material in the various sound membranes, make the stability of pasting the overall dimension after the shaping in the sound membrane obtain showing and improve, simultaneously, the batch production at many acupuncture points has improved production efficiency greatly, has reduced manufacturing cost, just the utility model discloses quality hidden danger such as the material is torn, resilience have been avoided.

Description

Mould is pasted in sound film

Technical field

The utility model embodiment is related to paste forming field in sound film, and in more particularly to a kind of sound film shaping mould is pasted Tool.

Background technology

Patch is design relatively common in current loadspeaker structure in sound film, because patch needs to match the several of sound film in sound film What center, makes sound film movable end at magnetic field and the center of the geometric position of product, reaches the distortion of minimum and the output of maximum, because This has strict demand for the quality, profile pasted in sound film.At present, mechanical punch forming is patch shaping in sound film of loudspeaker Major way, it mainly will paste moulding material and be put in master mold in sound film, then with the direct down-pressing forming of mould.For some Material is pasted in the material hard and sound film with flexible partially, mechanical stamping forming mode is clearly present many deficiencies, the party In case, first, material is pasted in sound film and is easily torn during punch forming, or even fractureed；Secondly, the program be single mode into Type, production efficiency is not high；Again, stamping forming yield is not high, the size after shaping it is difficult to ensure that, especially fillet position.

Utility model content

The utility model embodiment pastes mould, the sound mainly solving the technical problems that providing in a kind of sound film Extruded layer (such as layer of silica gel) is provided between upper mould and lower mould that mould is pasted in film, by pressurizeing the extruded layer come real The shaping of material is pasted in existing various sound films, the stability for making the appearance and size in sound film after patch shaping is significantly improved； Meanwhile, the batch production at many acupuncture points substantially increases production efficiency, reduces production cost, and the utility model avoids material The hidden danger of quality such as material tear, resilience.

To solve above-mentioned technical problem, the technical scheme that the utility model embodiment is adopted is：

There is provided and mould is pasted in a kind of sound film, including upper mould and the lower mould that is adapted to the upper mould, under the upper mould End face is provided with convex portion, and the upper surface of the lower mould is provided with the recess being adapted to the convex portion；Between the recess and the convex portion It is additionally provided with extruded layer；The lower mould is additionally provided with recessed shaping position corresponding to the position of the recess；The lower surface of the convex portion Upper surface area of the area more than the forming part；Lower surface area of the lower surface area of the recess more than the convex portion.

In certain embodiments, the quantity of the convex portion, the recess and the shaping position is for multiple, and the recess and The quantity of the shaping position is consistent.

In certain embodiments, the quantity of the convex portion is more than or equal to the quantity of the recess, and right on the upper mould The position of recess described in Ying Yu is equipped with the convex portion；The convex portion and the recess are uniformly arranged.

In certain embodiments, the extruded layer is layer of silica gel.

In certain embodiments, paste in the sound film mould also include being connected to the upper mould and on described mould with Apply the pressue device of the pressure of default size during the lower mould matched moulds.

In certain embodiments, mould is pasted in the sound film also to be included being connected to the Stress control of the pressue device Device.

In certain embodiments, the lower mould after mould is also included for placing matched moulds and institute are pasted in the sound film Show the workbench of mould.

In certain embodiments, mould is pasted in the sound film also includes being connected to the lower mould and described for heating The heater of shaping position.

In certain embodiments, mould is pasted in the sound film also to be included being connected to the temperature control of the heater Device.

In certain embodiments, mould is pasted in the sound film also includes timing means.

The beneficial effect of the utility model embodiment is, paste in the sound film mould include upper mould and with it is described The lower mould of upper mould adaptation, the lower surface of the upper mould is provided with convex portion, and the upper surface of the lower mould is provided with what is be adapted to the convex portion Recess；Extruded layer is additionally provided between the recess and the convex portion；The lower mould is additionally provided with recessed corresponding to the position of the recess If shaping position；Upper surface area of the lower surface area of the convex portion more than the forming part；The lower surface face of the recess Lower surface area of the product more than the convex portion.The utility model by realizing various sound films to extruded layer pressurization in paste material Shaping, the stability for making the appearance and size in sound film after patch shaping is significantly improved；Meanwhile, the batch life at many acupuncture points Produce, substantially increase production efficiency, reduce production cost, and the utility model to avoid the quality such as material tear, resilience hidden Suffer from.

Description of the drawings

Fig. 1 is the profile that the embodiment of mould one is pasted in the utility model sound film.

Fig. 2 is the A portions mplifying structure schematic diagram that mould is pasted in sound film shown in Fig. 1.

Fig. 3 is the structural representation of an embodiment of the lower mould that mould is pasted in the utility model sound film.

Specific embodiment

In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only to explain this Utility model, is not used to limit the utility model.

Mould is pasted in sound film of the present utility model by realizing various sounds to extruded layer (such as layer of silica gel) pressurization The shaping of material is pasted in film, the stability for making the appearance and size in sound film after patch shaping is significantly improved；Meanwhile, many caves The batch production of position, substantially increases production efficiency, reduces production cost, and the utility model avoids material tear, returns The hidden danger of quality such as bullet.

Refering to Fig. 1 to Fig. 3, Fig. 1 is the profile that the embodiment of mould one is pasted in the utility model sound film；Fig. 2 is Fig. 1 The A portions mplifying structure schematic diagram of mould is pasted in shown sound film；Paste under mould in Fig. 3 the utility model sound films The structural representation of one embodiment of mould.Mould is pasted in the sound film to be included upper mould 10 and is adapted to down with the upper mould 10 Mould 20, the lower surface of the upper mould 10 is provided with convex portion 101, and the upper surface of the lower mould 20 is provided with what is be adapted to the convex portion 101 Recess 201；Extruded layer 30 is additionally provided between the recess 201 and the convex portion 101；The lower mould 20 corresponds to the recess 201 position is additionally provided with recessed shaping position 202；Upper surface of the lower surface area of the convex portion 101 more than the forming part Area；Lower surface area of the lower surface area of the recess 201 more than the convex portion 101.

In certain embodiments, mould is pasted in the sound film also to be included being connected to the lower mould 20 and for heating State the heater (not shown) of shaping position 202.In this embodiment, punch forming process is replaced using thermoforming process, will Moulding material is pasted in sound film to be put in the shaping position 202 of the lower mould 20, then spreads extruded layer 30 on the surface of the lower mould 20 By the upper mould 10 and the lower mould 20 after (in certain embodiments, the extruded layer 30 is including but not limited to layer of silica gel) Heated after matched moulds, and be heated to it is temperature required after, acted on using preset pressure (preferably 8～10 tons of pressure) The upper mould 10, the extruded layer 30 is extruded by upper mould 10 with the lower matched moulds of mould 20, such as, when the extruded layer 30 is layer of silica gel When, after extruding layer of silica gel, layer of silica gel can be entered among the shaping position 202 after crimp, and described filling up After shaping position 202, a uniform pressure is applied to the wall of the shaping position 202, now, due in the shaping position 202 Have been added to paste moulding material in sound film, therefore, the silica gel after crimp can will paste moulding material extruding in the sound film To being evenly distributed on the wall of the shaping position 202, so as to paste in the sound film for forming a uniform thickness；Now to it is described into Type position 202 is heated, and is heated after holding Preset Time (preferably 20～25 seconds), cooling, you can is made in the sound film and being pasted Shaping, molds afterwards, completes this forming process；Above entirely the molding manufacture procedure cycle is about 4 minutes, averagely into single sound film About 1.5～2 seconds shaping used times of patch, and the feeding work of mould has been completed during being somebody's turn to do, therefore substantially increase production effect Rate, reduce production cost.

In certain embodiments, in the sound film paste mould also include for placing matched moulds after the lower mould 20 and The workbench (not shown) of shown upper mould 10.That is, after upper mould 10, lower mould 20 and extruded layer 30 are carried out into matched moulds, needing In putting it into workbench, to carry out follow-up pressurized cooking process.

In certain embodiments, as shown in Figure 1 to Figure 3, the convex portion 101, the recess 201 and the shaping position 202 Quantity for multiple, and the recess 201 is consistent with the quantity of the shaping position 202.That is, the shaping position in the lower mould 20 202 quantity can be adjusted according to demand, such as, it can be provided the quantity of type position 202 is as shown in Figure 3, it is also possible to Be set to 2 times of quantity in Fig. 3 or more than, and if the quantity of convex portion 101 is that the quantity of position 202 is molded in Fig. 3 in upper mould 10 Dry times, as such, it is possible to configure the quantity of the lower mould 20 shown in Fig. 3 as needed, and by the lower mould 20 be placed side by side on The corresponding position of the upper mould 10；Intelligible, the quantity of position 202 is molded in Fig. 3 can also be adjusted according to demand.

In certain embodiments, as depicted in figs. 1 and 2, the quantity of the convex portion 101 is more than or equal to the recess 201 Quantity, and be equipped with the convex portion 101 corresponding to the position of the recess 201 on the upper mould 10；The convex portion 101 and institute State recess 201 uniformly to arrange.Uniform arrangement can be more convenient and be configured or the operation such as feeding, with improving production efficiency.

In certain embodiments, mould is pasted in the sound film also to be included being connected to the temperature control of the heater Device (not shown).That is, the temperature of the heater can be configured according to demand.

In certain embodiments, mould is pasted in the sound film also to be included being connected to the upper mould 10 and the mould on described The pressue device (not shown) of 10 pressure that size is preset with applying during lower 20 matched moulds of mould.That is, the pressue device can For in upper mould 10 with the after-applied pressure of the lower matched moulds of mould 20 extruding the extruded layer 30, so as to make the extruded layer 30 exist Certain hour is entered among the shaping position 202 and kept after crimp.

In certain embodiments, mould is pasted in the sound film also to be included being connected to the Stress control of the pressue device Device (not shown), that is, the pressurization size of the pressue device can also be configured according to demand.

In certain embodiments, mould is pasted in the sound film also includes timing means (not shown).It is intelligible, institute Stating timing means can be connected to the pressue device, it is also possible to be connected to the heater, so as to controlling described plus press-fiting The pressurization duration put and/or the heating duration of the heater.

Mould is pasted in sound film of the present utility model includes upper mould 10 and the lower mould 20 being adapted to the upper mould 10, described The lower surface of upper mould 10 is provided with convex portion 101, and the upper surface of the lower mould 20 is provided with the recess 201 being adapted to the convex portion 101；Institute State and extruded layer 30 is additionally provided between recess 201 and the convex portion 101；The lower mould 20 corresponds to the position of the recess 201 also It is provided with recessed shaping position 202；Upper surface area of the lower surface area of the convex portion 101 more than the forming part；It is described recessed Lower surface area of the lower surface area in portion 201 more than the convex portion 101.The utility model to extruded layer 30 by pressurizeing come real The shaping of material is pasted in existing various sound films, the stability for making the appearance and size in sound film after patch shaping is significantly improved； Meanwhile, the batch production at many acupuncture points substantially increases production efficiency, reduces production cost, and the utility model avoids material The hidden danger of quality such as material tear, resilience.

Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is all It is the equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or directly or indirectly uses In other related technical fields, it is included in the same manner in scope of patent protection of the present utility model.

Claims (10)

1. mould is pasted in a kind of sound film, it is characterised in that including upper mould and the lower mould being adapted to the upper mould, the upper mould Lower surface be provided with convex portion, the upper surface of the lower mould is provided with the recess being adapted to the convex portion；The recess and the convex portion Between be additionally provided with extruded layer；The lower mould is additionally provided with recessed shaping position corresponding to the position of the recess；Under the convex portion Upper surface area of the face area more than the forming part；Lower surface face of the lower surface area of the recess more than the convex portion Product.

2. paste mould in sound film as claimed in claim 1, it is characterised in that the convex portion, the recess and it is described into The quantity of type position is multiple, and the recess is consistent with the quantity of the shaping position.

3. mould is pasted in sound film as claimed in claim 2, it is characterised in that the quantity of the convex portion is more than or equal to institute State the position in the quantity of recess, and the upper mould corresponding to the recess and be equipped with the convex portion；The convex portion and described recessed Uniformly arrange in portion.

4. mould is pasted in sound film as claimed in claim 1, it is characterised in that the extruded layer is layer of silica gel.

5. mould is pasted in sound film as claimed in claim 1, it is characterised in that mould is pasted in the sound film also to be included Be connected to the upper mould and on described mould with the lower mould matched moulds when apply default size pressure pressue device.

6. mould is pasted in sound film as claimed in claim 5, it is characterised in that mould is pasted in the sound film also to be included It is connected to the pressure control device of the pressue device.

7. mould is pasted in sound film as claimed in claim 1, it is characterised in that mould is pasted in the sound film also to be included The workbench of the lower mould and shown upper mould after for placing matched moulds.

8. mould is pasted in sound film as claimed in claim 1, it is characterised in that mould is pasted in the sound film also to be included It is connected to the lower mould and the heater for heating the shaping position.

9. mould is pasted in sound film as claimed in claim 8, it is characterised in that mould is pasted in the sound film also to be included It is connected to the temperature control equipment of the heater.

10. mould is pasted in sound film as claimed in claim 1, it is characterised in that mould is pasted in the sound film and is also wrapped Include timing means.