Shell forming device

Abstract

The utility model discloses a shell forming device which comprises a bottom plate and a frame plate, the frame plate is welded to the outer side wall of the bottom plate, a lower die holder is fixed to the outer wall of the top of the bottom plate through bolts, an electric push rod is fixed to the outer wall of the top of the frame plate through bolts, the telescopic end of the electric push rod is connected with an upper die holder, and an injection molding hole is formed in the top of the upper die holder. A sweeping mechanism is arranged on the outer wall of the top of the bottom plate and comprises a motor, a rotating column, an L-shaped rod, a toothed plate, a gear, a sticky plate and bristles, and during use, the motor can be started to drive the rotating column, so that the L-shaped rod drives the gear to be meshed with the toothed plate, and the bristles are driven to sweep the lower die base and the upper die base. According to the injection mold, the upper mold base and the lower mold base can be cleaned, meanwhile, the copper sheet radiator, the silicone grease and the fan are arranged at the bottom of the water tank, the copper sheet radiator and the fan can be turned on, and air is blown to cool the copper sheet radiator through the fan, so that the copper sheet radiator cools the water tank, and the cooling effect during injection molding is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding, in particular to a shell molding device. Background Art

[0002] In daily life, earphones are one of the products that people use frequently. No matter when using mobile phones or electronic tools such as computers, earphones can be connected to play audio. Earphones are divided into wired and wireless. Wireless earphones usually use Bluetooth connection, and wireless Bluetooth earphones are generally charged and stored in a charging bin. The charging bin shell is often manufactured using injection molding.

[0003] After searching, the Chinese Patent Publication (Announcement) No.: CN209982698U discloses an earphone shell molding device, including a cover body, an injection molding tube is arranged at one end of the cover body, a three-way pipe fitting is installed at the end of the injection molding tube close to the cover body, an earphone threading hole is arranged at one end of the three-way pipe fitting, an elastic bellows is arranged at the other end of the three-way pipe fitting, the end of the earphone threading hole away from the three-way pipe fitting is connected to the upper shell groove, the end of the elastic bellows away from the three-way pipe fitting is provided with a accommodating cavity, and a plastic outlet is arranged on one side of the accommodating cavity.

[0004] The above patent has the following deficiencies: the above device realizes injection molding of the upper shell and the lower shell when in use, but after the injection molding is completed, an air gun needs to be used to clean the inner surface of the mold to prevent dust and impurities from being adsorbed onto the inner surface of the mold. This device lacks a cleaning structure. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a shell molding device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A shell forming device comprises a base plate and a frame plate, the frame plate is fixedly mounted on the outer side wall of the base plate, the top outer wall of the base plate is provided with a cleaning mechanism, the cleaning mechanism comprises a tooth plate, an L-shaped rod and a mounting plate, the mounting plate is fixedly mounted on the top outer wall of the base plate, a motor is fixedly mounted on the top outer wall of the mounting plate, the output end of the motor is connected to a rotating column via a coupling, a sliding groove is provided on the outer side wall of the rotating column, the L-shaped rod is slidably connected to the inner wall of the base plate, a connecting head is fixedly mounted on the bottom outer wall of the L-shaped rod, the connecting head cooperates with the rotating column, the tooth plate is fixedly mounted on the top outer wall of the base plate, the outer side wall of the L-shaped rod is rotatably connected with a gear, the gear is meshed with the tooth plate, an adhesive plate is fixedly mounted on the outer side wall of the gear, bristles are fixedly mounted on the outer side wall of the adhesive plate, and a blowing assembly is connected to the inner wall of the adhesive plate.

[0008] As a further solution of the utility model: a lower mold base is fixedly installed on the top outer wall of the bottom plate, an electric push rod is fixedly installed on the top outer wall of the frame plate, the telescopic end of the electric push rod is connected to an upper mold base, and an injection hole is opened on the top of the upper mold base.

[0009] As a further solution of the utility model: the blowing assembly includes an elastic air pipe and an air pump, and the air pump is fixedly installed on the top outer wall of the base plate.

[0010] As a further solution of the utility model: the elastic air pipe is connected to the output end of the air pump through a flange, and the other end of the elastic air pipe is fixedly plugged with an air outlet, and the air outlet is rotatably connected to the inner wall of the sticky plate.

[0011] As a further solution of the utility model: a water tank is fixedly installed on the inner wall of the frame plate, a water pump is fixedly installed on the outer wall of the top of the base plate, and an output end of the water pump is connected to a connecting pipe through a flange.

[0012] As a further solution of the utility model: the water pump input end is connected to the lower mold base, the other end of the connecting pipe 1 is connected to the water tank, and the connecting pipe 2 is connected between the lower mold base and the water tank via a flange.

[0013] As a further solution of the utility model: a copper sheet radiator is fixedly installed on the outer wall of the bottom of the water tank, and silicone grease is fixedly installed on the outer wall of the bottom of the copper sheet radiator.

[0014] As a further solution of the utility model: a mounting seat is fixedly mounted on the outer wall of the silicone grease bottom, a fan is fixedly mounted on the inner wall of the mounting seat, and a power supply is arranged inside the copper sheet heat sink.

[0015] Compared with the prior art, the utility model provides a shell forming device, which has the following beneficial effects:

[0016] 1. The utility model sets the cleaning mechanism as a combination of a motor, a rotating column, an L-shaped rod, a toothed plate, a gear, a sticky plate and bristles. When in use, the motor can be turned on to drive the rotating column, so that the L-shaped rod drives the gear to engage with the toothed plate, and drives the bristles to clean the lower die seat and the upper die seat.

[0017] 2. The utility model provides a blowing assembly with a combination of an elastic air pipe, an air pump, and an air outlet. When in use, the air pump can be turned on to exhaust air into the air outlet through the elastic air pipe to blow away dust and residues in the lower mold base and the upper mold base.

[0018] 3. The utility model is provided with a copper sheet radiator, silicone grease and a fan. The copper sheet radiator and the fan can be turned on so that the copper sheet radiator cools the water tank, thereby improving the cooling effect during injection molding.

[0019] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a shell forming device proposed by the utility model;

[0021] Figure 2 This is a rear structural schematic diagram of a shell forming device proposed by the utility model;

[0022] Figure 3 This is a schematic diagram of the cleaning mechanism structure of a shell forming device proposed by the utility model;

[0023] Figure 4 The present invention is a schematic diagram of a water tank structure of a shell forming device proposed by the present invention.

[0024] In the figure: 1. connecting pipe 1; 2. water pump; 3. connecting pipe 2; 4. lower die seat; 5. bottom plate; 6. elastic air pipe; 7. air pump; 8. frame plate; 9. upper die seat; 10. bristles; 11. gear; 12. tooth plate; 13. connector; 14. L-shaped rod; 15. rotating column; 16. slide groove; 17. mounting plate; 18. motor; 19. punching bag; 20. adhesive plate; 21. fan; 22. mounting seat; 23. copper sheet radiator; 24. silicone grease; 25. water tank; 26. electric push rod. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0027] Example 1

[0028] A shell molding device, in order to achieve cleaning after injection molding, such as Figure 1-4As shown, it includes a bottom plate 5 and a frame plate 8, the frame plate 8 is welded to the outer side wall of the bottom plate 5, the top outer wall of the bottom plate 5 is fixed with a lower mold base 4 by bolts, the top outer wall of the frame plate 8 is fixed with an electric push rod 26 by bolts, the telescopic end of the electric push rod 26 is connected with an upper mold base 9, and an injection hole is opened on the top of the upper mold base 9, and a cleaning mechanism is provided on the top outer wall of the bottom plate 5, and the cleaning mechanism includes a tooth plate 12, an L-shaped rod 14, and a mounting plate 17, the mounting plate 17 is welded to the top outer wall of the bottom plate 5, and the top outer wall of the mounting plate 17 is fixed with a motor 18 by bolts, and the motor 1 The output end is connected to a rotating column 15 through a coupling, and a sliding groove 16 is provided on the outer side wall of the rotating column 15. The L-shaped rod 14 is slidably connected to the inner wall of the bottom plate 5. A connector 13 is welded to the outer wall of the bottom of the L-shaped rod 14, and the connector 13 cooperates with the rotating column 15. The tooth plate 12 is welded to the outer wall of the top of the bottom plate 5. The outer side wall of the L-shaped rod 14 is rotatably connected to a gear 11, and the gear 11 is meshed with the tooth plate 12. An adhesive plate 20 is welded to the outer side wall of the gear 11, and bristles 10 are bonded to the outer side wall of the adhesive plate 20. The inner wall of the adhesive plate 20 is connected to a blowing assembly;

[0029] The electric push rod 26 is turned on to make the lower mold base 4 cooperate with the upper mold base 9, followed by injection molding and molding. After molding, the electric push rod 26 is opened to take out the finished products in the lower mold base 4 and the upper mold base 9, and then the blowing assembly and the motor 18 are turned on. The motor 18 drives the rotating column 15 to rotate, and then the L-shaped rod 14 drives the gear 11 and the tooth plate 12 to engage and move under the cooperation of the connecting head 13 and the rotating column 15. The bristles 10 and the adhesive plate 20 on the outside of the gear 11 are used to clean the inside of the lower mold base 4 and the upper mold base 9, and blow out the dust inside.

[0030] The blowing assembly includes an elastic air tube 6 and an air pump 7. The air pump 7 is fixed to the top outer wall of the bottom plate 5 by bolts. The elastic air tube 6 is connected to the output end of the air pump 7 by a flange. The other end of the elastic air tube 6 is fixedly plugged with an air outlet 19, and the air outlet 19 is rotatably connected to the inner wall of the adhesive plate 20.

[0031] When the gear 11 drives the bristles 10 to clean, the air pump 7 is turned on and blown through the bottom plate 5 and the air outlet tube 19. While the bristles 10 are cleaning, the dust and the residues in the lower mold base 4 and the upper mold base 9 are blown away.

[0032] A water tank 25 is welded to the inner wall of the frame plate 8, a water pump 2 is fixed to the outer wall of the top of the bottom plate 5 by bolts, the output end of the water pump 2 is connected to a connecting pipe 1 through a flange, the input end of the water pump 2 is connected to the lower die base 4, the other end of the connecting pipe 1 is connected to the water tank 25, and a connecting pipe 2 3 is connected between the lower die base 4 and the water tank 25 through a flange;

[0033] When in use, water is added into the water tank 25, and then the water pump 2 is turned on, so that the water inside the water tank 25 circulates in the lower mold base 4 through the connecting pipe 1 and the connecting pipe 2 3, accelerating the cooling of the lower mold base 4 and the upper mold base 9 after molding.

[0034] Working principle: When in use, add water into the water tank 25, then turn on the water pump 2, so that the water inside the water tank 25 circulates in the lower mold base 4 through the connecting pipe 1 and the connecting pipe 2 3, accelerates the cooling of the lower mold base 4 and the upper mold base 9 after molding, turn on the electric push rod 26, so that the lower mold base 4 and the upper mold base 9 cooperate, then injection molding, and molding. After molding, turn on the electric push rod 26 to take out the finished product in the lower mold base 4 and the upper mold base 9, turn on the air pump 7, blow it up through the bottom plate 5 and the air outlet tube 19, and while the bristles 10 are cleaning, the dust and the residue in the lower mold base 4 and the upper mold base 9 are blown away, turn on the motor 18 to drive the rotating column 15 to rotate, and then the L-shaped rod 14, in cooperation with the connecting head 13 and the rotating column 15, drives the gear 11 and the tooth plate 12 to mesh and move, and the inside of the lower mold base 4 and the upper mold base 9 is cleaned through the bristles 10 and the sticky plate 20 outside the gear 11, and the dust inside is blown out.

[0035] Embodiment 2:

[0036] A shell forming device, such as Figure 1-4 As shown, the embodiment makes the following improvements on the basis of embodiment 1: a copper plate radiator 23 is welded to the outer wall of the bottom of the water tank 25, a silicone grease 24 is bonded to the outer wall of the bottom of the copper plate radiator 23, a mounting seat 22 is bonded to the outer wall of the bottom of the silicone grease 24, a fan 21 is fixedly mounted on the inner wall of the mounting seat 22, and a power supply is provided inside the copper plate radiator 23;

[0037] Working principle: When in use, the copper radiator 23 and the fan 21 can be turned on, so that the copper radiator 23 cools the water tank 25, and the fan 21 blows air to cool the copper radiator 23, so that the water temperature in the water tank 25 is reduced, thereby improving the cooling effect during injection molding.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A shell forming device, comprising a bottom plate (5) and a frame plate (8), characterized in that: The frame plate (8) is fixedly mounted on the outer side wall of the base plate (5); a cleaning mechanism is provided on the top outer wall of the base plate (5); the cleaning mechanism comprises a tooth plate (12), an L-shaped rod (14), and a mounting plate (17); the mounting plate (17) is fixedly mounted on the top outer wall of the base plate (5); a motor (18) is fixedly mounted on the top outer wall of the mounting plate (17); an output end of the motor (18) is connected to a rotating column (15) via a coupling; a sliding groove (16) is provided on the outer side wall of the rotating column (15); the L-shaped rod (14) is slidably connected to the base plate (5) inner wall, a connector (13) is fixedly installed on the bottom outer wall of the L-shaped rod (14), the connector (13) cooperates with the rotating column (15), the toothed plate (12) is fixedly installed on the top outer wall of the bottom plate (5), the outer side wall of the L-shaped rod (14) is rotatably connected with a gear (11), the gear (11) is meshed with the toothed plate (12), the outer side wall of the gear (11) is fixedly installed with an adhesive plate (20), the outer side wall of the adhesive plate (20) is fixedly installed with bristles (10), and the inner wall of the adhesive plate (20) is connected with a blowing assembly.

2. A shell molding device according to claim 1, characterized in that: A lower mold base (4) is fixedly mounted on the top outer wall of the bottom plate (5), an electric push rod (26) is fixedly mounted on the top outer wall of the frame plate (8), the telescopic end of the electric push rod (26) is connected to an upper mold base (9), and an injection hole is opened on the top of the upper mold base (9).

3. A shell forming device according to claim 2, characterized in that: The blowing assembly comprises an elastic air pipe (6) and an air pump (7), and the air pump (7) is fixedly mounted on the top outer wall of the bottom plate (5).

4. A shell forming device according to claim 3, characterized in that: The elastic air tube (6) is connected to the output end of the air pump (7) through a flange, and the other end of the elastic air tube (6) is fixedly plugged with an air outlet tube (19), and the air outlet tube (19) is rotatably connected to the inner wall of the adhesive plate (20).

5. The shell forming device according to claim 2, characterized in that: A water tank (25) is fixedly mounted on the inner wall of the frame plate (8), a water pump (2) is fixedly mounted on the top outer wall of the bottom plate (5), and the output end of the water pump (2) is connected to a connecting pipe (1) via a flange.

6. A shell molding device according to claim 5, characterized in that: The input end of the water pump (2) is connected to the lower die base (4), the other end of the connecting pipe 1 (1) is connected to the water tank (25), and a connecting pipe 2 (3) is connected between the lower die base (4) and the water tank (25) via a flange.

7. A shell forming device according to claim 6, characterized in that: A copper plate radiator (23) is fixedly mounted on the outer wall of the bottom of the water tank (25), and silicone grease (24) is fixedly mounted on the outer wall of the bottom of the copper plate radiator (23).

8. A shell forming device according to claim 7, characterized in that: A mounting seat (22) is fixedly mounted on the outer wall of the bottom of the silicone grease (24), a fan (21) is fixedly mounted on the inner wall of the mounting seat (22), and a power supply is arranged inside the copper sheet heat sink (23).

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