Rapid cooling injection mold for left and right silica gel ear shells

Abstract

The utility model relates to the technical field of silica gel ear shell processing, and provides a rapid cooling injection mold for a left silica gel ear shell and a right silica gel ear shell, which comprises a mold frame, a fixed mold, a movable mold and an injection assembly are sequentially arranged on the mold frame from left to right, the fixed mold consists of a lower mold seat and a lower mold, a mold cavity is arranged on the lower mold, and the injection assembly is arranged in the mold cavity. And auxiliary structures are symmetrically arranged on the inner wall of the die cavity and can assist the discharging robot in discharging, and the discharging efficiency is improved. According to the utility model, through the heat dissipation mechanism, cooling liquid is introduced into the cooling pipe, the cooling liquid takes away heat of a silica gel ear shell in the lower mold, and meanwhile, the driving motor and the fan are started to rotate to blow air into the lower mold, so that the heat in the lower mold is quickly dissipated out from the heat dissipation opening; the silica gel earlap is cooled in a water cooling and air cooling combined mode, the purpose of rapid cooling can be achieved, and in the rotating process of the fan, the brush can clean dust on the dustproof net.

Description

TECHNICAL FIELD

[0001] The utility model relates to silica gel ear shell processing technical field, especially left and right silica gel ear shell quick cooling injection mold. BACKGROUND

[0002] With the continuous development of electronic industry, the type of earphone is also increasing, and silica gel earphone is one of them, silica gel earphone has the advantages of high comfort, good sound insulation effect, easy to clean, etc., in the process of producing silica gel earphone, injection mold is needed.

[0003] Therefore, the patent with the authorization announcement number CN207224483U discloses an injection mold, which comprises a movable mold and a fixed mold, the movable mold is provided with a movable mold base, a movable mold clamping plate, a core, a positioning pin, a guide sleeve and a connecting block, the connecting block is provided with a push rod, the fixed mold is provided with a fixed mold base, a fixed mold clamping plate, a cavity, a positioning groove, a reset lever and a fixing bolt hole, the movable mold and the fixed mold are connected, the injection mold is provided with the positioning pin, through the positioning pin and the positioning groove, the movable mold and the fixed mold are prevented from being misaligned during injection, the core is prevented from being damaged, the cost is reduced, and the injection mold has great popularization value.

[0004] The existing left and right silica gel ear shell injection mold does not have good rapid cooling function during use, so that the forming speed of silica gel ear shell in the injection mold is slow, and the production efficiency is affected. UTILITY MODEL CONTENTS

[0005] The utility model discloses a left and right silica gel ear shell quick cooling injection mold, which solves the defect that the existing left and right silica gel ear shell quick cooling injection mold does not have good rapid cooling function.

[0006] To solve the above technical problems, the utility model provides technical scheme as follows: A kind of left and right silica gel ear shell rapid cooling injection mold, including mould frame, the mould frame is equipped with fixed mould, movable mould and injection assembly from left to right in sequence, the fixed mould is by lower die holder and lower die, the lower die is equipped with mould cavity, the inner wall of the mould cavity is symmetrically equipped with auxiliary structure, auxiliary structure can assist blanking robot to blank, improve blanking efficiency, cooling pipe is installed in the lower die, the top of the lower die is symmetrically equipped with heat dissipation mechanism, heat dissipation mechanism blows to the inside of lower die, and heat in its inside is accelerated to be dissipated from heat dissipation port, the heat dissipation mechanism includes pivot, brush, dust screen, air inlet, drive motor, main gear, fan and driven gear, the air inlet is symmetrically installed at the top of lower die, the top of the air inlet is equipped with dust screen, drive motor is installed in the air inlet, and the output shaft of drive motor is connected with fan, main gear is installed on the output shaft of drive motor, driven gear is installed at one end of the main gear, pivot is coaxially installed on one side of the driven gear, and brush is installed on the pivot.

[0007] The movable mould is by upper die holder and upper die, the upper die holder is symmetrically equipped with pouring opening, the inner wall of the pouring opening is uniformly equipped with sealing structure, sealing structure can be sealed up pouring opening, avoid dust to enter pouring opening and lead to its jamming, the top of the upper die holder is equipped with blanking robot, the side of the upper die is symmetrically equipped with positioning rod, the injection assembly is by drive cylinder, stand and injection pipe, the stand is fixed on mould frame, drive cylinder is installed on the stand, and the output end of drive cylinder is connected with injection pipe.

[0008] Preferably, the bottom end of the lower die is provided with a heat dissipation hole.

[0009] Preferably, the main gear is engaged with the driven gear.

[0010] Preferably, the auxiliary structure includes a first groove, an extension spring, a second groove, a wedge and a limiting plate, the first groove is symmetrically provided on the inner wall of the mold cavity, the second groove is provided on one side of the first groove, the wedge is installed in the first groove, and the limiting plate is installed at one end of the wedge, and the extension spring is installed between the other end of the wedge and the inner wall of the first groove.

[0011] Preferably, the diameter of the second groove is greater than the diameter of the positioning rod.

[0012] Preferably, the sealing structure comprises sealing plates, connecting blocks, rotating rods and torsional springs, the connecting blocks are fixed on the inner walls on one side of the pouring opening, rotating holes are formed in the interiors of the connecting blocks, the rotating rods are installed in the interiors of the rotating holes, the torsional springs are sleeved on the rotating rods, and the rotating rods are connected with the sealing plates.

[0013] Preferably, the sealing plates are arranged at equal intervals in the pouring opening.

[0014] The left and right silica gel ear shells can be quickly cooled and injected by using the injection mold, and the silica gel ear shells can be quickly cooled and injected by using the injection mold.

[0015] The silica gel ear shells in the injection mold are cooled by using the water cooling and air cooling combined mode, the purpose of quick cooling can be achieved, the cooling efficiency is improved, after the mold is opened, the auxiliary structure is moved, so that there is a gap between the mold cavity and the silica gel ear shell, the silica gel ear shell is conveniently sucked by the discharging robot, the purpose of quick discharging is achieved, the torsional spring acts on the sealing plate to fold the sealing plate, and the sealing plate can seal the pouring opening, so that dust is prevented from entering the pouring opening and causing blockage.

[0016] The heat of the silica gel ear shell in the lower mold is taken away by the cooling liquid, meanwhile, the driving motor is started, the fan rotates, the inside of the lower mold is blown, and the heat in the inside of the lower mold is quickly discharged from the heat dissipation opening; the silica gel ear shell is cooled by using the water cooling and air cooling combined mode, the purpose of quick cooling can be achieved, and the dust on the dust screen is cleaned by the brush during the rotation of the fan.

[0017] After the mold is opened, the positioning rod is away from the wedge, the extension spring moves the limiting plate away from the silica gel ear shell, so that there is a gap between the mold cavity and the silica gel ear shell, the silica gel ear shell is conveniently sucked by the discharging robot, and the purpose of quick discharging is achieved.

[0018] When not in use, the torsional spring acts on the sealing plate to fold the sealing plate, the sealing plate can seal the pouring opening, dust is prevented from entering the pouring opening and causing blockage, and the use effect is improved. ACCURATE DRAWINGS

[0019] Figure 1 It is a front view structural schematic diagram of the utility model;

[0020] Figure 2 It is a local top view sectional structure schematic diagram of the utility model;

[0021] Figure 3 It is a Figure 2 It is an enlarged structure schematic diagram of A in the middle;

[0022] Figure 4 It is a heat dissipation mechanism side view sectional structure schematic diagram of the utility model;

[0023] Figure 5 The utility model discloses a Figure 2 Amplification structure schematic diagram in B place.

[0024] The figure mark explanation: 1, die frame;2, fixed mould;21, lower mould base;22, lower mould;23, mould cavity;3, cooling pipe;4, movable mould;41, upper mould base;42, pouring opening;43, upper mould;44, positioning rod;5, injection assembly;51, drive cylinder;52, stand;53, injection pipe;6, blanking robot;7, heat dissipation mechanism;71, rotating shaft;72, brush;73, dust screen;74, air inlet;75, drive motor;76, main gear;77, fan;78, driven gear;8, auxiliary structure;81, first recess;82, extension spring;83, second recess;84, wedge;85, limiting plate;9, sealing structure;91, sealing plate;92, connecting block;93, rotating rod;94, torsional spring. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative work belong to the scope of protection of the utility model.

[0026] Please refer to Figures 1-5 The utility model provides a kind of left and right silica gel ear shell rapid cooling injection mould, including die frame 1.

[0027] Refer to Figures 1-5 As shown in, die frame 1 is installed with fixed mould 2, movable mould 4 and injection assembly 5 from left to right in sequence.

[0028] The fixed mold 2 is composed of the lower mold base 21 and the lower mold 22, the lower mold 22 is provided with the mold cavity 23, the inside of the lower mold 22 is provided with the cooling pipe 3, the top end of the lower mold 22 is symmetrically provided with the heat dissipation mechanism 7, the heat dissipation mechanism 7 comprises the rotating shaft 71, the brush 72, the dust screen 73, the air inlet 74, the driving motor 75, the main gear 76, the fan 77 and the driven gear 78, the air inlets 74 are symmetrically installed at the top end of the lower mold 22, the top end of the air inlet 74 is provided with the dust screen 73, the inside of the air inlet 74 is provided with the driving motor 75, the output shaft of the driving motor 75 is connected with the fan 77, the output shaft of the driving motor 75 is provided with the main gear 76, one end of the main gear 76 is provided with the driven gear 78, the main gear 76 is engaged with the driven gear 78, the rotating shaft 71 is coaxially installed on one side of the driven gear 78, and the brush 72 is installed on the rotating shaft 71, and the bottom end of the lower mold 22 is provided with the heat dissipation hole.

[0029] The movable mold 4 is composed of the upper mold base 41 and the upper mold 43, the upper mold base 41 is symmetrically provided with the pouring opening 42, the top end of the upper mold base 41 is provided with the discharging robot 6, and one side of the upper mold 43 is symmetrically provided with the positioning rod 44.

[0030] The injection assembly 5 is composed of the driving cylinder 51, the stand 52 and the injection pipe 53, the stand 52 is fixed on the mold frame 1, the driving cylinder 51 is installed on the stand 52, and the output end of the driving cylinder 51 is connected with the injection pipe 53.

[0031] After the mold is closed, the raw materials of the silica gel ear shell are injected into the mold cavity 23 through the injection pipe 53, the cooling liquid is introduced into the cooling pipe 3, the cooling liquid takes away the heat of the silica gel ear shell in the lower mold 22, at the same time, the driving motor 75 is started, the fan 77 rotates, the inside of the lower mold 22 is blown, the heat in the inside of the lower mold 22 is quickly dissipated from the heat dissipation hole, the silica gel ear shell is cooled by the combination of water cooling and air cooling, the purpose of rapid cooling can be achieved, the dust screen 73 can play a certain dustproof role, in the process of rotating of the fan 77, the main gear 76 drives the driven gear 78 to rotate, the rotating shaft 71 drives the brush 72 to rotate, the brush 72 can clean the dust on the dust screen 73, after the silica gel ear shell is cooled and formed, the mold is opened, the discharging robot 6 can take out the silica gel ear shell from the mold cavity 23 and discharge.

[0032] Refer to Figure 2 and Figure 3As shown, the inner wall of the mold cavity 23 is symmetrically provided with an auxiliary structure 8, the auxiliary structure 8 comprises a first groove 81, an expansion spring 82, a second groove 83, a wedge block 84 and a limiting plate 85, the first groove 81 is symmetrically provided on the inner wall of the mold cavity 23, the first groove 81 is provided with the second groove 83 on one side, the diameter of the second groove 83 is greater than the diameter of the positioning rod 44, the wedge block 84 is installed in the first groove 81, and the limiting plate 85 is installed at one end of the wedge block 84, and the expansion spring 82 is installed between the top and bottom of the other end of the wedge block 84 and the inner wall of the first groove 81.

[0033] When the mold is closed, the positioning rod 44 enters the second groove 83 and contacts the wedge block 84, pushes the wedge block 84 and the limiting plate 85 to move towards each other, so that the limiting plate 85 is flush with the inner wall of the mold cavity 23, at this time, the mold cavity 23 is a closed structure, so as to form the silica gel ear shell, after the mold is opened, the positioning rod 44 moves away from the wedge block 84, the expansion spring 82 acts on the limiting plate 85 to move away from the silica gel ear shell, so that there is a gap between the mold cavity 23 and the silica gel ear shell, which facilitates the silica gel ear shell to be sucked out by the discharging robot 6, and the purpose of rapid discharging is achieved.

[0034] Referring to Figure 2 and Figure 5 As shown, the inner wall of the pouring port 42 is uniformly provided with a sealing structure 9, the sealing structure 9 comprises a sealing plate 91, a connecting block 92, a rotating rod 93 and a torsional spring 94, the connecting block 92 is fixed on the inner wall of one side of the pouring port 42, the rotating hole is provided in the connecting block 92, the rotating rod 93 is installed in the rotating hole, the torsional spring 94 is sleeved on the rotating rod 93, and the sealing plate 91 is connected to one end of the rotating rod 93. The sealing plates 91 are arranged at equal intervals in the pouring port 42.

[0035] When injecting, the sealing plate 91 is pushed by the injection pipe 53 to move, so that the sealing plate 91 is separated, which facilitates injection, when not in use, the torsional spring 94 acts on the sealing plate 91 to close, the sealing plate 91 can seal the pouring port 42, avoid dust entering the pouring port 42 to cause blockage, and improve the use effect.

[0036] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. Quick cooling injection mold for left and right silica gel ear shells, comprising a mold frame (1); It is characterized by: The mold frame (1) is sequentially provided with a fixed mold (2), a movable mold (4) and an injection assembly (5) from left to right; The fixed mold (2) is composed of a lower mold base (21) and a lower mold (22), the lower mold (22) is provided with a mold cavity (23), the inner wall of the mold cavity (23) is symmetrically provided with an auxiliary structure (8), the inside of the lower mold (22) is provided with a cooling pipe (3), and the top end of the lower mold (22) is symmetrically provided with a heat dissipation mechanism (7); The heat dissipation mechanism (7) comprises a rotating shaft (71), a brush (72), a dust screen (73), an air inlet (74), a driving motor (75), a main gear (76), a fan (77) and a driven gear (78), the air inlet (74) is symmetrically installed at the top end of the lower mold (22), the top end of the air inlet (74) is provided with a dust screen (73), the inside of the air inlet (74) is provided with a driving motor (75), the output shaft of the driving motor (75) is connected with a fan (77), the output shaft of the driving motor (75) is provided with a main gear (76), one end of the main gear (76) is provided with a driven gear (78), one side of the driven gear (78) is coaxially provided with a rotating shaft (71), and the rotating shaft (71) is provided with a brush (72); The movable mold (4) is composed of an upper mold base (41) and an upper mold (43), the upper mold base (41) is symmetrically provided with a pouring opening (42), the inner wall of the pouring opening (42) is uniformly provided with a sealing structure (9), and the top end of the upper mold base (41) is provided with a discharging robot (6), one side of the upper mold (43) is symmetrically provided with a positioning rod (44); The injection assembly (5) is composed of a driving cylinder (51), a stand (52) and an injection pipe (53), the stand (52) is fixed on the mold frame (1), the driving cylinder (51) is installed on the stand (52), and the output end of the driving cylinder (51) is connected with the injection pipe (53).

2. The left and right silica gel ear shell rapid cooling injection mold according to claim 1, characterized in that: The bottom end of the lower mold (22) is provided with a heat dissipation hole.

3. The mold according to claim 1, wherein: The main gear (76) is engaged with the driven gear (78).

4. The mold according to claim 1, wherein: The auxiliary structure (8) comprises a first groove (81), an extension spring (82), a second groove (83), a wedge block (84) and a limiting plate (85), the first grooves (81) are symmetrically formed on the inner walls of the mold cavities (23), one side of each first groove (81) is provided with a second groove (83), the inside of each first groove (81) is provided with a wedge block (84), one end of each wedge block (84) is provided with a limiting plate (85), and the top and bottom of the other end of each wedge block (84) are provided with an extension spring (82) between the inner walls of the first grooves (81).

5. The rapid cooling injection mold for silicone ear shell of claim 4, wherein: The diameter of the second groove (83) is greater than the diameter of the positioning rod (44).

6. The rapid cooling injection mold for silicone ear shell of claim 1, wherein: The sealing structure (9) comprises sealing plates (91), connecting blocks (92), rotating rods (93) and torsion springs (94), the connecting blocks (92) are fixed on the inner walls on one side of the pouring opening (42), rotating holes are formed in the interiors of the connecting blocks (92), the rotating rods (93) are mounted in the interiors of the rotating holes, the torsion springs (94) are sleeved on the rotating rods (93), and the sealing plates (91) are connected to one end of the rotating rods (93).

7. The rapid cooling injection mold for silicone ear shell of claim 6, wherein: The sealing plates (91) are arranged at equal intervals in the pouring opening (42).

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