Injection molding mold for sound box shell

Abstract

The utility model belongs to the technical field of injection molds, and particularly relates to a sound box shell injection molding mold which comprises a mold body, a first magnet is arranged on the side wall of the mold body; a pair of first magnets are symmetrically arranged on the side wall of the mold body; a second magnet is arranged on the side wall of the first magnet; a pair of second magnets are symmetrically arranged on the side wall of the first magnet; a sliding rail is fixedly connected between the pair of second magnets. The top of the sliding rail is slidably connected with a sliding block. The top of the sliding block is fixedly connected with a telescopic rod. According to the step, by arranging a first magnet, a second magnet, a sliding rail, a sliding block, a telescopic rod, a first fixing plate and a brush, the brush sweeps off foreign matter on the inner wall of the mold body, the cleanliness of the inner wall of the mold body is improved, the situation that cracks or protrusions appear when the sound box shell is formed due to chippings or the foreign matter is reduced, and the forming quality of the sound box shell is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of injection molds, in particular to an injection molding mold for a sound box shell. Background Art

[0002] Injection molding of speaker housing is an important part of the production process. During the injection molding process, parameters such as temperature, pressure, and time need to be strictly controlled to ensure the accuracy and quality of the finished product.

[0003] When producing speaker shells, first make the corresponding mold according to the speaker shell design drawings and requirements, then select the material suitable for injection molding, and then inject the injection material into the mold through the injection molding machine. The speaker shell is cooled and solidified in the mold, and finally demolding and finished product processing are performed. In the speaker shell injection molding mold technology, after a long period of injection molding operation, debris may adhere to the mold. The adhesion of debris may cause cracks or bulges and other poor quality problems when the speaker shell is molded.

[0004] To this end, the utility model provides an injection molding mold for a sound box shell. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0006] The technical solution adopted by the utility model to solve its technical problems is as follows: the utility model is a kind of injection molding mold for a sound box shell, comprising a mold body; the side wall of the mold body is provided with a first magnet; the first magnet is arranged in a pair on the side wall of the mold body and is symmetrically arranged; the side wall of the first magnet is provided with a second magnet; the second magnet is arranged in a pair on the side wall of the first magnet and is symmetrically arranged; a slide rail is fixedly connected between the pair of the second magnets; a slider is slidably connected to the top of the slide rail; a telescopic rod is fixedly connected to the top of the slider; a first fixing plate is commonly arranged on the top of the pair of telescopic rods; a connecting component is arranged between the first fixing plate and the telescopic rod; a brush is fixedly connected to the bottom of the first fixing plate; a plurality of groups of the brushes are arranged at the bottom of the first fixing plate and are evenly distributed at the bottom of the first fixing plate; in this step, the brush sweeps off foreign matter on the inner wall of the mold body through the arrangement of the first magnet, the second magnet, the slide rail, the slider, the telescopic rod, the first fixing plate and the brush, so as to improve the cleanliness of the inner wall of the mold body, reduce the situation that cracks or bulges appear when the sound shell is formed due to debris or foreign matter, and improve the quality of the sound shell forming.

[0007] Preferably, the side wall of the first fixed plate is hinged with a support arm; the support arm is arranged in multiple groups on the side wall of the first fixed plate and is symmetrically arranged; the end of the support arm away from the first fixed plate is hinged with a connecting rod; the other ends of the multiple groups of connecting rods are hinged to the second fixed plate together; a nozzle is provided in the middle of the second fixed plate; the nozzle is arranged in multiple groups in the middle of the second fixed plate and is evenly distributed in the middle of the second fixed plate; in this step, through the arrangement of the support arm, the connecting rod, the second fixed plate and the nozzle, foreign matter or debris adhered to the inner wall of the mold body is blown off, the cleanliness of the inner wall of the mold body is improved, the adverse effects of debris or foreign matter on the molding of the audio shell are reduced, the quality of product production is improved, and the rotation of the support arm, the connecting rod and the second fixed plate is adjusted to improve the adaptability of the device.

[0008] Preferably, the first fixing plate is rotatably connected to the side wall away from the support arm with a fixing ring; the inner side wall of the fixing ring is sleeved with a bellows; one end of the bellows is provided with a horn suction port; in this step, by setting the fixing ring, the bellows and the horn suction port, the debris or foreign matter adhered to the inner side wall of the mold body is sucked away, thereby improving the cleanliness of the inner side wall of the mold body, improving the quality of the production of the audio shell, and improving the adaptability of the device.

[0009] Preferably, the connecting assembly includes a third magnet and a fourth magnet; the bottom of the third magnet is fixedly connected to the top of the telescopic rod; the top of the fourth magnet is fixedly connected to the bottom of the first fixed plate; in this step, the third magnet and the fourth magnet are arranged so that the telescopic rod and the first fixed plate are connected, thereby improving the convenience of installation and disassembly of the telescopic rod and the first fixed plate.

[0010] Preferably, a heat-insulating film is provided on the side wall of the first magnet close to the mold body; the heat-insulating film is made of heat-insulating material; this step reduces the situation where the magnetism of the first magnet is weakened due to overheating of the first magnet and improves the stability of the device by setting the heat-insulating film.

[0011] Preferably, a fifth magnet is fixedly connected to the top of the first fixed plate; multiple groups of the fifth magnets are arranged on the top of the first fixed plate and are symmetrically arranged; this step improves the expandability of the device and the convenience of cleaning the mold body through the arrangement of the fifth magnet.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. The utility model discloses a speaker shell injection molding mold, through the arrangement of the first magnet, the second magnet, the slide rail, the slider, the telescopic rod, the first fixed plate, and the brush. The brush can sweep away foreign matter on the inner wall of the mold body, thereby improving the cleanliness of the inner wall of the mold body, reducing the occurrence of cracks or bulges caused by debris or foreign matter during the molding of the speaker shell, and improving the molding quality of the speaker shell.

[0014] 2. The speaker shell injection molding mold described in the utility model can blow off foreign matter or debris adhered to the inner wall of the mold body through the setting of the support arm, the connecting rod, the second fixed plate, and the nozzle, thereby improving the cleanliness of the inner wall of the mold body, reducing the adverse effects of debris or foreign matter on the molding of the audio shell, and improving the quality of product production. The support arm, the connecting rod, and the second fixed plate can be adjusted to rotate to improve the adaptability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model will be further described below in conjunction with the accompanying drawings.

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the cooperation between the slide rail and the first fixed plate in the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the bellows and the trumpet suction port in the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the second fixing plate cooperating with the first fixing plate in the utility model;

[0020] In the figure: 1. mold body; 11. first magnet; 12. second magnet; 13. slide rail; 14. slider; 15. telescopic rod; 16. first fixed plate; 17. brush; 2. support arm; 21. connecting rod; 22. second fixed plate; 23. nozzle; 3. fixing ring; 31. bellows; 32. trumpet suction port; 4. third magnet; 41. fourth magnet; 5. thermal insulation film; 6. fifth magnet. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figure 1 and Figure 2As shown, a speaker shell injection molding mold described in an embodiment of the utility model includes a mold body 1; a first magnet 11 is provided on the side wall of the mold body 1; a pair of the first magnets 11 are arranged on the side wall of the mold body 1, and are symmetrically arranged; a second magnet 12 is provided on the side wall of the first magnet 11; a pair of the second magnets 12 are arranged on the side wall of the first magnet 11, and are symmetrically arranged; a slide rail 13 is fixedly connected between the pair of the second magnets 12; a slider 14 is slidably connected to the top of the slide rail 13; a telescopic rod 15 is fixedly connected to the top of the slider 14; a first fixed plate 16 is commonly provided on the top of the pair of telescopic rods 15; a connecting component is provided between the first fixed plate 16 and the telescopic rod 15; a brush 17 is fixedly connected to the bottom of the first fixed plate 16; the brush 17 is arranged in multiple groups at the bottom of the first fixed plate 16, and is evenly distributed at the bottom of the first fixed plate 16; during operation, after long-term use, the mold body 1 adsorbs the slide rail 13 on the side wall of the mold body 1, adjusts the height of the telescopic rod 15, makes the brush 17 contact with the mold body 1, and the sliding slider 14 drives the first fixed plate 16 and the brush 17 to move, and the brush 17 sweeps off the debris or foreign matter adhered to the inner wall of the mold body 1; in this step, the brush 17 sweeps off the foreign matter on the inner wall of the mold body 1 through the arrangement of the first magnet 11, the second magnet 12, the slide rail 13, the slider 14, the telescopic rod 15, the first fixed plate 16, and the brush 17, thereby improving the cleanliness of the inner wall of the mold body 1, reducing the situation where cracks or bulges occur during the molding of the audio shell due to debris or foreign matter, and improving the molding quality of the audio shell.

[0023] like Figure 2 and Figure 4 As shown, the side wall of the first fixing plate 16 is hinged with a support arm 2; the support arm 2 is arranged in multiple groups on the side wall of the first fixing plate 16 and is symmetrically arranged; the end of the support arm 2 away from the first fixing plate 16 is hinged with a connecting rod 21; the other ends of the multiple groups of connecting rods 21 are hinged to the second fixing plate 22; the middle part of the second fixing plate 22 is provided with a nozzle 23; the nozzle 23 is arranged in multiple groups in the middle part of the second fixing plate 22 and is evenly distributed in the middle part of the second fixing plate 22; during operation, the support arm 2, the connecting rod 21 and the second fixing plate 22 are rotated to make the nozzle 23 is facing the inner wall of the mold body 1, and the nozzle 23 is connected to compressed air to blow off foreign matter or debris adhering to the inner wall of the mold body 1, and the mold body 1 is cooled down at the same time; this step blows off foreign matter or debris adhering to the inner wall of the mold body 1 through the setting of the support arm 2, the connecting rod 21, the second fixed plate 22, and the nozzle 23, thereby improving the cleanliness of the inner wall of the mold body 1, reducing the adverse effects of debris or foreign matter on the molding of the audio shell, and improving the quality of product production. The rotation of the support arm 2, the connecting rod 21, and the second fixed plate 22 is adjusted to improve the adaptability of the device.

[0024] like Figure 3 and Figure 4As shown, the first fixing plate 16 is rotatably connected to the side wall away from the support arm 2 with a fixing ring 3; the inner wall of the fixing ring 3 is sleeved with a bellows 31; one end of the bellows 31 is provided with a horn suction port 32; during operation, the bellows 31 is externally connected to an air pump, the horn suction port 32 is brought into contact with the inner wall of the mold body 1, the debris or foreign matter adhered to the inner wall of the mold body 1 is sucked away, and the fixing ring 3 is rotated to change the direction of the horn suction port 32; in this step, by setting the fixing ring 3, the bellows 31 and the horn suction port 32, the debris or foreign matter adhered to the inner wall of the mold body 1 is sucked away, thereby improving the cleanliness of the inner wall of the mold body 1, improving the quality of the production of the audio shell, and improving the adaptability of the device.

[0025] like Figure 2 and Figure 3 As shown, the connecting assembly includes a third magnet 4 and a fourth magnet 41; the bottom of the third magnet 4 is fixedly connected to the top of the telescopic rod 15; the top of the fourth magnet 41 is fixedly connected to the bottom of the first fixed plate 16; during operation, when the device is installed, the first fixed plate 16 and the telescopic rod 15 are connected through the third magnet 4 and the fourth magnet 41; in this step, through the setting of the third magnet 4 and the fourth magnet 41, the third magnet 4 and the fourth magnet 41 connect the telescopic rod 15 and the first fixed plate 16, so that the convenience of installation and disassembly of the telescopic rod 15 and the first fixed plate 16 is improved.

[0026] like Figure 2 As shown, a heat-insulating film 5 is provided on the side wall of the first magnet 11 close to the mold body 1; the heat-insulating film 5 is made of a heat-insulating material; during operation, the first magnet 11 is arranged on the side wall of the mold body 1, and a heat-insulating film 5 is provided between the first magnet 11 and the mold body 1 to reduce the heat of the mold body 1 and transfer it to the first magnet 11; this step reduces the situation where the magnetism of the first magnet 11 is weakened due to overheating of the first magnet 11 by providing the heat-insulating film 5, thereby improving the stability of the device.

[0027] like Figure 2 As shown, a fifth magnet 6 is fixedly connected to the top of the first fixing plate 16; multiple groups of the fifth magnet 6 are arranged on the top of the first fixing plate 16, and are symmetrically arranged; during operation, when the bottom of the mold body 1 is cleaned, another group of the first fixing plate 16 and the brush 17 are flipped and adsorbed on the fifth magnet 6 to clean the top of the mold body 1; this step improves the expandability of the device and the convenience of cleaning the mold body 1 through the arrangement of the fifth magnet 6.

[0028] like Figure 1 As shown, the bellows 31 is made of heat-resistant material; during operation, when the bellows 31 contacts the mold body 1 , damage to the bellows 31 is reduced, thereby increasing the service life of the bellows 31 .

[0029] During operation, after the mold body 1 has been used for a long time, the slide rail 13 is adsorbed on the side wall of the mold body 1, the height of the telescopic rod 15 is adjusted to make the brush 17 contact with the mold body 1, and the sliding slider 14 drives the first fixed plate 16 and the brush 17 to move, and the brush 17 sweeps away the debris or foreign matter adhering to the inner wall of the mold body 1; the support arm 2, the connecting rod 21, and the second fixed plate 22 are rotated to make the nozzle 23 face the inner wall of the mold body 1, and the nozzle 23 is connected to compressed air to blow away the foreign matter or debris adhering to the inner wall of the mold body 1, and the mold body 1 is cooled at the same time; the bellows 31 is connected to an air pump to make the horn suction port 32 contacts the inner wall of the mold body 1 to remove the debris or foreign matter adhering to the inner wall of the mold body 1, and rotates the fixing ring 3 to change the direction of the horn suction port 32; when the device is installed, the first fixing plate 16 and the telescopic rod 15 are connected through the third magnet 4 and the fourth magnet 41; the first magnet 11 is arranged on the side wall of the mold body 1, and a heat insulation film 5 is arranged between the first magnet 11 and the mold body 1 to reduce the heat of the mold body 1 and transfer it to the first magnet 11; when the bottom of the mold body 1 is cleaned, another set of the first fixing plate 16 and the brush 17 are turned over and adsorbed on the fifth magnet 6 to clean the top of the mold body 1.

[0030] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A speaker housing injection molding mold, comprising a mold body (1); characterized in that: The side wall of the mold body (1) is provided with a first magnet (11); a pair of the first magnets (11) are symmetrically arranged on the side wall of the mold body (1); a second magnet (12) is provided on the side wall of the first magnet (11); a pair of the second magnets (12) are symmetrically arranged on the side wall of the first magnet (11); a slide rail (13) is fixedly connected between the pair of the second magnets (12); a slider (14) is slidably connected to the top of the slide rail (13); a telescopic rod (15) is fixedly connected to the top of the slider (14); a first fixed plate (16) is commonly provided at the top of the pair of telescopic rods (15); a connecting component is provided between the first fixed plate (16) and the telescopic rod (15); a brush (17) is fixedly connected to the bottom of the first fixed plate (16); a plurality of groups of the brushes (17) are arranged at the bottom of the first fixed plate (16) and are evenly distributed at the bottom of the first fixed plate (16).

2. The speaker housing injection molding mold according to claim 1, characterized in that: The side wall of the first fixed plate (16) is hinged with a support arm (2); the support arm (2) is arranged in multiple groups on the side wall of the first fixed plate (16) and is symmetrically arranged; the end of the support arm (2) away from the first fixed plate (16) is hinged with a connecting rod (21); the other ends of the multiple groups of connecting rods (21) are hinged to a second fixed plate (22); a nozzle (23) is provided in the middle of the second fixed plate (22); the nozzle (23) is arranged in multiple groups in the middle of the second fixed plate (22) and is evenly distributed in the middle of the second fixed plate (22).

3. The speaker housing injection molding mold according to claim 2, characterized in that: The first fixing plate (16) is rotatably connected to a fixing ring (3) at a side wall away from the support arm (2); a bellows (31) is sleeved on the inner side wall of the fixing ring (3); and a trumpet suction port (32) is provided at one end of the bellows (31).

4. The speaker housing injection molding mold according to claim 3, characterized in that: The connecting assembly comprises a third magnet (4) and a fourth magnet (41); the bottom of the third magnet (4) is fixedly connected to the top of the telescopic rod (15); and the top of the fourth magnet (41) is fixedly connected to the bottom of the first fixing plate (16).

5. The speaker housing injection molding mold according to claim 4, characterized in that: A heat-insulating film (5) is provided on the side wall of the first magnet (11) close to the mold body (1); the heat-insulating film (5) is made of a heat-insulating material.

6. The speaker housing injection molding mold according to claim 5, characterized in that: A fifth magnet (6) is fixedly connected to the top of the first fixing plate (16); a plurality of groups of the fifth magnets (6) are arranged on the top of the first fixing plate (16) and are symmetrically arranged.

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