Acoustic array infiltration forming vulcanization mold

Abstract

The utility model discloses an acoustic array infiltration molding vulcanization mold, which comprises a mold cavity plate, a connecting plate, a fixing piece and at least two groups of split bolts, the mold cavity plate is provided with a compression molding cavity, and the top of the compression molding cavity is provided with a material injection port; and the acoustic array fairing, the model plate and the connecting plate are assembled through two groups of split bolts and fixing pieces, so that a cavity to be infiltrated is formed between the acoustic array fairing and the compression molding cavity and is used for filling a glue solution. According to the utility model, the discharge chute is designed at the injection port to store excessive glue solution, and the vulcanized shell is prepared by adopting an infiltration forming method, so that the defect that a pouring port trace is remained in the conventional pouring process can be eliminated; and meanwhile, a press machine adopted by extrusion forming in the past is changed into a tensioning structure, so that the tensioning allowance of the split bolt can be ensured during the glue solution injection period, the glue solution is prevented from being excessively extruded or not extruded in place in the infiltration forming process, and the overall performance of the product is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to sound base array vulcanization technical field, concretely is a kind of sound base array infiltration forming vulcanization mould. BACKGROUND

[0002] The fairing vulcanization line and surface roughness of sound base array directly affect the flow noise of product under water.The vulcanization of sound base array develops from the adhesion on the surface of array element after the vulcanized rubber block and shell are matched and thrown in the past to CPU pouring forming.The advantage of pouring forming is that the pressure received by product is small,only the self-weight of glue solution is received;But there are the following defects:

[0003] After pouring forming, there is pouring port on the surface of product, and there is obvious pouring mark after cleaning, and the local surface roughness of pouring port is high. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model aims at providing a kind of sound base array infiltration forming vulcanization mould to solve the technical problems mentioned in prior art.

[0005] A kind of sound base array infiltration forming vulcanization mould, the vulcanization mould includes:

[0006] Die cavity plate, with die forming cavity, the top of the die forming cavity is provided with injection port;

[0007] Connecting plate, set in the upper of injection port, the end of the connecting plate close to the die cavity plate is provided with a plurality of positioning holes, the one end of sound base array fairing is installed to the bottom of the connecting plate by fixed part through the positioning hole, to make the other end of the sound base array fairing extend into the die forming cavity, and form the cavity to be infiltrated between the sound base array fairing and the die forming cavity, the cavity to be infiltrated is used to fill glue solution;

[0008] At least two groups of pull bolts, two groups of the pull bolt are respectively arranged between the die cavity plate and the connecting plate, the two ends of the pull bolt are respectively provided with locking nuts, the two ends of the pull bolt are respectively provided with locking nuts, for adjusting the thickness of the cavity to be infiltrated.

[0009] Optionally, the top of the die cavity plate is provided with discharge chute communicating with the injection port, and the bottom of the discharge chute is at least 5mm higher than the top of the cavity to be infiltrated.

[0010] Optionally, one side of the discharge chute is provided with through groove penetrating the outer periphery of the die cavity plate.

[0011] Optionally, the two ends of the pull bolt are respectively provided with positioning table, and the two positioning tables are respectively in contact with the opposite surfaces of the connecting plate and the die cavity plate.

[0012] Two ends of the positioning platforms away from each other are respectively provided with threaded connection parts, the threaded connection parts are connected with the locking nuts through the connecting plates or the cavity plates.

[0013] Optionally, the bottom of the cavity plate is provided with a support platform, the support platform is provided with a plurality of pads, one side of the pad has a support surface matched with the bottom edge line of the support platform, and the pad is used for inclining and lifting one side of the cavity plate upward by 10-30°.

[0014] Optionally, the outer periphery of the cavity plate and / or the connecting plate is provided with a plurality of assembly holes.

[0015] Each assembly hole is provided with a handle, and the handle comprises:

[0016] A connecting part is detachably installed in the assembly hole.

[0017] A hand-held part is arranged outside the assembly hole and connected with the connecting part.

[0018] Optionally, the middle part of the connecting plate is provided with an observation port, and a plurality of positioning holes are uniformly distributed around the observation port.

[0019] Optionally, the fixing part is a fixing screw or a fixing bolt, and the fixing screw or the fixing bolt is connected with the prefabricated hole of the acoustic array fairing through the positioning hole.

[0020] The positioning hole and the prefabricated hole of the acoustic array fairing are one-to-one corresponding in number and position.

[0021] Optionally, the bottom of the connecting plate is provided with a positioning step extending downward, and the positioning step is used for guiding and limiting the end part of the acoustic array fairing.

[0022] The positioning step is a circular ring structure with an inclined angle at the bottom.

[0023] Optionally, the inclined angle of the bottom of the positioning step is a 10-30° inclined surface.

[0024] The beneficial effects of the utility model include:

[0025] The utility model provides a kind of acoustic array infiltration forming vulcanization mould, discharge chute is designed to store excess glue at injection port, which can eliminate the defect of pouring port trace left by previous pouring process by using infiltration forming method to prepare vulcanization shell;At the same time, since the parts in acoustic array are pressure sensitive elements, they cannot bear high temperature (150 DEG C) and high pressure (8-9MPa) used in press forming, therefore, the press used in previous extrusion forming is replaced by tension type structure, so that during injection of glue, it can ensure that there is a tension margin for pull bolt, so that the to-be-infiltrated cavity has a certain fitting gap, to fill excess glue, so that the glue has viscosity after reacting in the to-be-infiltrated cavity for a period of time, then the pull bolt is fixed between the mold cavity plate and the connecting plate by locking nut, to eliminate the tension margin, and drive acoustic array fairing to extend into mold cavity plate to realize complete mold closing action, extrude excess glue from the to-be-infiltrated cavity, and prevent the glue from being excessively extruded during infiltration forming, causing demolding failure or too large fitting gap at the bonded part due to incomplete extrusion, causing sudden change of overall line type of product, thereby ensuring the overall performance of the product. The vulcanization mould is simple in structure, easy to use, can eliminate the defect of previous pouring port, and improve the product forming quality. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a structure diagram of the acoustic array infiltration forming vulcanization mould of the utility model;

[0027] Figure 2 It is a structure diagram of the mold cavity plate in the utility model; Figure 1

[0028] Figure 3 It is a structure diagram of the connecting plate in the utility model; Figure 1

[0029] Figure 4 It is a structure diagram of the pad in the utility model; Figure 1

[0030] In the drawing: 1, mold cavity plate, 2, mold pressing forming cavity, 3, injection port, 4, connecting plate, 5, positioning hole, 6, fixing part, 7, acoustic array fairing, 8, to-be-infiltrated cavity, 9, pull bolt, 10, locking nut, 11, discharge chute, 12, through groove, 13, positioning table, 14, observation port, 15, support table, 16, pad, 17, support surface, 18, assembly hole, 19, connecting part, 20, handheld part. DETAILED DESCRIPTION

[0031] ​​​Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0032] Please refer to Figures 1-4 As shown in the figure, the utility model provides a kind of acoustic array infiltration forming vulcanization mould, and vulcanization mould includes mould cavity plate 1 (lower mould), connecting plate 4 and at least two groups of opposite pull bolt 9, mould cavity plate 1 has mould pressing forming cavity 2, the top of mould pressing forming cavity 2 is equipped with injection port 3;Connecting plate 4 is equipped with the upper of injection port 3, and the end of connecting plate 4 close to mould cavity plate 1 is equipped with several positioning holes 5, and the one end of acoustic array fairing 7 (upper mould) is installed to the bottom of connecting plate 4 by fixed part 6 through positioning hole 5, to make the other end of acoustic array fairing 7 extend into mould pressing forming cavity 2, and form the cavity 8 to be infiltrated between acoustic array fairing 7 and mould pressing forming cavity 2, and the cavity 8 to be infiltrated is used to fill glue liquid (in this embodiment, liquid polyurethane rubber is selected);Two groups of opposite pull bolt 9 are respectively equipped between mould cavity plate 1 and connecting plate 4, and the both ends of opposite pull bolt 9 are respectively equipped with locking nut 10, which are penetrated through mould cavity plate 1 and connecting plate 4, for adjusting the thickness of the cavity 8 to be infiltrated.In the above, by designing discharge chute 11 at injection port 3 to store excess glue liquid, the method of infiltration forming is used to prepare vulcanization shell, which can eliminate the defect that pouring port trace is left in the past pouring process;At the same time, since the parts in acoustic array are pressure sensitive elements, they cannot bear high temperature (150 DEG C) and high pressure (8-9MPa) used in press forming, therefore, the press used in the past extrusion forming is changed into tension type structure, so that during injection of glue liquid, it can ensure that there is a tension margin for opposite pull bolt 9, so that the cavity 8 to be infiltrated has a certain fitting gap, to fill excess glue liquid, so that after the glue liquid has viscosity after reacting in the cavity 8 to be infiltrated for a period of time, opposite pull bolt 9 is fixed between mould cavity plate 1 and connecting plate 4 by locking nut 10, to eliminate the tension margin, and drive acoustic array fairing 7 to extend into mould cavity plate 1 to realize complete closing action, to extrude excess glue from the cavity 8 to be infiltrated, and then prevent glue liquid from being excessively extruded during infiltration forming, causing demoulding failure, or causing the fitting gap of adhering part to be too large, causing the overall line type of product to be suddenly changed, so as to ensure the overall performance of product.Then vulcanization mould filled with glue liquid is placed in oven for vulcanization reaction, and after vulcanization reaction is finished, demoulding is carried out, so as to form vulcanization shell on the periphery of acoustic array fairing 7.The vulcanization mould is simple in structure, convenient to use, can eliminate the defect of pouring port in the past, and improve product forming quality.

[0033] In the embodiment, the bottom of the connecting plate 4 is provided with a positioning step extending downward, which is a circular ring structure with an inclined angle of 30°, and is used for guiding the end of the sound array fairing 7 to be connected with the connecting plate 4, so that the end of the sound array fairing 7 is sleeved on the outer periphery of the positioning step, and the sound array fairing 7 is limited by the positioning step to prevent the sound array fairing 7 from being squeezed by the glue liquid when it sinks into the mold cavity plate 1, so that the sound array fairing 7 is subjected to radial force and deviates. The gap between the connecting plate 4 and the inner diameter of the sound array fairing 7 is less than 0.05mm.

[0034] Further, the top of the mold cavity plate 1 is provided with a discharge groove 11 communicating with the pouring port 3, and the bottom of the discharge groove 11 is at least 5mm higher than the top of the cavity to be infiltrated 8. By designing the discharge groove 11, the excess glue liquid can be stored, and at the same time, due to the surface tension, a proper amount of glue liquid will remain in the discharge groove 11 to complete the shrinkage of the rubber during vulcanization. In the above, in order to avoid the accumulation of glue liquid on the top of the cavity to be infiltrated 8 and to pollute the shell, a through groove 12 is provided on one side of the discharge groove 11 and penetrates the outer periphery of the mold cavity plate 1, so as to discharge the excess glue liquid. Specifically, the through groove 12 is a "one" shaped through groove 12, so as to facilitate the cleaning of the residual glue liquid in the through groove 12.

[0035] In the embodiment, the mold cavity plate 1 is a "concave" shaped structure, and an annular discharge groove 11 and a "one" shaped through groove 12 are provided on the outer periphery of the top cavity of the "concave" shape, the discharge groove 11 communicates with the "one" shaped through groove 12, so that the glue liquid can overflow from the discharge groove 11 and flow out of the mold cavity plate 1 from the "one" shaped through groove 12. At the same time, an installation part is provided outside the outer periphery of the top cavity of the "concave" shape, and three installation holes are uniformly arranged on the installation part in the circumferential direction, so as to position and install the draw bolt 9.

[0036] Further, the two ends of the draw bolt 9 are respectively provided with positioning platforms 13, and the two positioning platforms 13 respectively contact the opposite surfaces of the connecting plate 4 and the mold cavity plate 1, so as to effectively limit the upper die and the lower die during the clamping process, and avoid excessive squeezing of the glue liquid by the draw bolt 9 during the clamping process. The ends of the two positioning platforms 13 away from each other are respectively provided with threaded connection parts, and the threaded connection parts penetrate the connecting plate 4 or the mold cavity plate 1 and are connected with the lock nut 10, so as to fix the upper die and the lower die on the draw bolt 9 respectively by the lock nut 10 to realize the clamping action.

[0037] Further, the bottom of the mold cavity plate 1 is provided with a support platform 15, which is provided with a plurality of pads 16, one side of the pad 16 has a support surface 17 which is fitted with the bottom edge line of the support platform 15, the pad 16 is used to tilt the one side of the mold cavity plate 1 upward by 10-30°, so that the to-be-infiltrated cavity 8 is tilted synchronously, thereby avoiding the formation of air bubble defects inside the to-be-infiltrated cavity 8 when the gel is vertically injected; after the gel completely overflows the bottom of the to-be-infiltrated cavity 8, the pad 16 is removed, so that the to-be-infiltrated cavity 8 is vertically injected with the gel, so as to ensure that the gel is evenly distributed in the to-be-infiltrated cavity 8.

[0038] Further, a plurality of assembly holes 18 are formed in the outer periphery of the mold cavity plate 1 and / or the connecting plate 4; each assembly hole 18 is provided with a handle, the handle includes a connecting portion 19 and a hand holding portion 20, the connecting portion 19 is detachably installed into the assembly hole 18, and the hand holding portion 20 is provided outside the assembly hole 18 and is integrally formed with the connecting portion 19. By designing the handle, the labor intensity can be reduced when transporting the vulcanizing mold or tilting one side of the vulcanizing mold to place the pad 16. Specifically, the connecting portion 19 is screw-mounted in the assembly hole 18, and the outer surface of the hand holding portion 20 is engraved with knurling and conical structure to increase the friction force and prevent slipping when holding.

[0039] Further, the middle part of the connecting plate 4 is provided with an observation port 14, and a plurality of positioning holes 5 are uniformly distributed around the observation port 14. When installing the fixing member 6, it is convenient to align the prefabricated hole of the acoustic array fairing 7 through the observation port 14. In the above, the fixing member 6 is a fixing screw or a fixing bolt, the fixing screw or the fixing bolt is threadedly connected with the prefabricated hole of the acoustic array fairing 7 through the positioning hole 5; the positioning hole 5 and the prefabricated hole of the acoustic array fairing 7 are respectively and correspondingly provided in number and position. Specifically, the number of the positioning hole 5 is four, and the four positioning holes 5 are uniformly distributed along the center line of the observation port 14.

Claims

1. An acoustic-based array infiltrated forming vulcanization mold, characterized in that, The vulcanization mold comprises: a cavity plate (1) having a mold forming cavity (2), the top of the mold forming cavity (2) being provided with a feeding opening (3); a connecting plate (4) arranged above the feeding opening (3), one end of the connecting plate (4) being provided with a plurality of positioning holes (5) close to the cavity plate (1), one end of a sound-based array fairing (7) being mounted to the bottom of the connecting plate (4) through a fixing member (6) passing through the positioning holes (5), the other end of the sound-based array fairing (7) being inserted into the mold forming cavity (2), a to-be-infiltrated cavity (8) being formed between the sound-based array fairing (7) and the mold forming cavity (2), and the to-be-infiltrated cavity (8) being used for filling glue solution; at least two groups of pull bolts (9) arranged between the cavity plate (1) and the connecting plate (4), respectively, and provided with lock nuts (10) at both ends of the pull bolts (9) penetrating through the cavity plate (1) and the connecting plate (4), respectively, for adjusting the thickness of the to-be-infiltrated cavity (8).

2. A sound-based array impregnation forming vulcanization mold according to claim 1, characterized in that, The top of the cavity plate (1) is provided with a discharging groove (11) communicating with the feeding opening (3), and the bottom of the discharging groove (11) is higher than the top of the to-be-infiltrated cavity (8) by at least 5 mm.

3. A sound-based array impregnation forming vulcanization mold according to claim 2, characterized in that, One side of the discharging groove (11) is provided with a through groove (12) penetrating through the outer periphery of the cavity plate (1).

4. A sound-based array impregnation forming vulcanization mold according to claim 1, characterized in that, Both ends of the pull bolt (9) are respectively provided with positioning platforms (13) in contact with the opposite surfaces of the connecting plate (4) and the cavity plate (1), respectively. The ends of the two positioning platforms (13) away from each other are respectively provided with threaded connection parts connected with the lock nuts (10) penetrating through the connecting plate (4) or the cavity plate (1).

5. A sound-based array impregnation forming vulcanization mold according to claim 1, characterized in that, The bottom of the cavity plate (1) is provided with a supporting platform (15) provided with a plurality of cushion blocks (16), one side of the cushion block (16) having a supporting surface (17) fitted with the bottom edge line of the supporting platform (15), and the cushion block (16) being used for inclining and lifting one side of the cavity plate (1) upward by 10-30°.

6. A sound-based array impregnation forming vulcanization mold according to claim 1, characterized in that, The outer periphery of the cavity plate (1) and / or the connecting plate (4) is provided with a plurality of assembly holes (18); Each assembly hole (18) is provided with a handle comprising: a connecting part (19) detachably mounted into the assembly hole (18); and a hand-holding part (20) arranged outside the assembly hole (18) and connected with the connecting part (19).

7. A sound-based array impregnation forming vulcanization mold according to claim 1, characterized in that, The middle part of the connecting plate (4) is provided with an observation opening (14), and a plurality of positioning holes (5) are uniformly distributed around the observation opening (14).

8. A sound-based array impregnation forming vulcanization mold according to claim 7, characterized in that, The fixing member (6) is a fixing screw or a fixing bolt, and the fixing screw or the fixing bolt is connected with a preformed hole of the sound-based array fairing (7) through the positioning hole (5); The number and position of the positioning hole (5) and the preformed hole of the sound-based array fairing (7) are one-to-one corresponding.

9. A sound-based array impregnation forming vulcanization mold according to claim 1, characterized in that, The bottom of the connecting plate (4) downwardly extends and is provided with a positioning step for guiding and limiting the end of the acoustic array fairing (7); The positioning step is a circular ring structure with an inclined angle at the bottom.

10. A sound-based array impregnation forming vulcanization mold according to claim 9, characterized in that, The inclined angle of the bottom of the positioning step is 10-30°.

Images