Edge-rising-preventing mold for injection molding of SIM (subscriber identity module) card support

Abstract

The utility model provides an anti-edging SIM card tray injection mold, which comprises a fixed mold and a movable mold, the fixed mold is provided with a plurality of first molding cavities, one side of the fixed mold is communicated with a plurality of shunt pipes, the plurality of shunt pipes are in one-to-one correspondence with the plurality of first molding cavities in position, and the shunt pipes are communicated with the first molding cavities. A tower-shaped shell is arranged on one side of the fixed mold, a material injection nozzle is arranged on one side of the tower-shaped shell in a communicating mode, four first connecting bases are fixed to one side of the fixed mold in a square shape, four second connecting bases are fixed to one side of the tower-shaped shell in a square shape, and through holes are formed in the first connecting bases and the second connecting bases. And the first connecting seat is detachably connected with the second connecting seat through a high-strength bolt, so that the problem that materials cannot uniformly enter each forming cavity when the SIM card tray injection mold in the current market is used is solved.

Description

Technical Field

[0001] The utility model relates to the field of mobile phone parts, in particular to a mold for injecting an anti-edge-lifting SIM card holder. Background Technique

[0002] The SIM card holder is equivalent to a tray for placing the SIM card. There are three types of mobile phone cards now. One is the ordinary SIM card; one is the Micro SIM card, which is a micro card; the latest one is the Nano SIM card. Their functions are the same, just different in size. Different mobile phones support different cards, so a card holder is needed to adapt the mobile phone card to different mobile phones. Therefore, the smoothness of the edge of the card holder has an important impact on the assembly of the card holder.

[0003] At present, when the SIM card holder injection mold on the market is in use, since each card holder forming cavity is interconnected, the material cannot enter the interior of each forming cavity evenly. Therefore, it is very easy to cause the product to have burrs and reduce the product quality.

[0004] Therefore, it is necessary to provide a new mold for injecting an anti-edge-lifting SIM card holder to solve the above technical problems. Content of the Utility Model

[0005] To solve the above technical problems, the utility model provides a mold for injecting an anti-edge-lifting SIM card holder, which solves the problem that the material cannot enter the interior of each forming cavity evenly when the SIM card holder injection mold on the market is in use.

[0006] The mold for injecting an anti-edge-lifting SIM card holder provided by the utility model includes a fixed mold and a movable mold. A plurality of first forming cavities are arranged at the fixed mold, and a plurality of second forming cavities are arranged at the movable mold. A plurality of shunt pipes are connected and arranged on one side of the fixed mold. The plurality of shunt pipes correspond to the plurality of first forming cavities one by one in position, and the shunt pipes are communicated with the first forming cavities.

[0007] A tower-shaped shell is arranged on one side of the fixed mold, and a pouring nozzle is connected and arranged on one side of the tower-shaped shell.

[0008] In a preferred embodiment, a sealing gasket is arranged on one side of the fixed mold, and the sealing gasket is located between the fixed mold and the tower-shaped shell.

[0009] In a preferred embodiment, four first connecting seats are fixedly arranged in a square shape on one side of the fixed mold, four second connecting seats are fixedly arranged in a square shape on one side of the tower-shaped shell, and through holes are formed in both the first connecting seats and the second connecting seats.

[0010] The first connecting seat and the second connecting seat are detachably connected by high-strength bolts.

[0011] In a preferred embodiment, a cooling water channel and vent holes are provided on one side of the fixed mold.

[0012] In a preferred embodiment, four groups of through grooves are circumferentially formed on both the moving mold and the fixed mold. Four moving mold guide posts are arranged between the fixed mold and the moving mold, and the moving mold guide posts penetrate through the through grooves.

[0013] In a preferred embodiment, a number of ejector rods penetrate through the moving mold. The positions of the a number of ejector rods correspond to those of the a number of second molding cavities one by one, and one end of each ejector rod extends into the second molding cavity. A moving seat is fixed to the other ends of the a number of ejector rods.

[0014] Advantages of the present utility model:

[0015] 1. When the device is in use, by providing shunt tubes corresponding to a number of molding cavities one by one, when the material enters the tower-shaped housing along the injection nozzle, it will evenly enter the corresponding molding cavities along the a number of shunt tubes, avoiding uneven injection molding and resulting in burrs on the produced SIM, thereby improving the quality of the product;

[0016] 2. When it is necessary to repair and clean the shunt tubes, the staff only needs to remove the high-strength bolts between the first connecting seat and the second connecting seat. At this time, the tower-shaped housing can be removed to repair the shunt tubes, and the operation is simple and convenient. Description of the drawings

[0017] Figure 1 is the main structural perspective view of the mold for injecting anti-burr SIM card holders provided by the present utility model Figure 1 ;

[0018] Figure 2 is the main structural perspective view of the mold for injecting anti-burr SIM card holders provided by the present utility model Figure 2 ;

[0019] Figure 3 is the main structural plan view of the mold for injecting anti-burr SIM card holders provided by the present utility model.

[0020] Reference numerals in the figures: 1, fixed mold; 2, moving mold; 3, first molding cavity; 4, second molding cavity; 5, shunt tube; 6, tower-shaped housing; 7, injection nozzle; 8, gasket; 9, first connecting seat; 10, second connecting seat; 11, through hole; 12, cooling water channel; 13, vent hole; 14, through groove; 15, moving mold guide post; 16, ejector rod; 17, moving seat. Detailed implementation manners

[0021] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0022] Please refer to Figure 1 , Figure 2 and Figure 3 , where Figure 1 is the main structure perspective view of the mold for injecting the SIM card holder with anti-edge lifting provided by the present utility model Figure 1 ; Figure 2 is the main structure perspective view of the mold for injecting the SIM card holder with anti-edge lifting provided by the present utility model Figure 2 ; Figure 3 is the main structure plan view of the mold for injecting the SIM card holder with anti-edge lifting provided by the present utility model.

[0023] In the specific implementation process, as Figures 1 - 3 shown, it includes a fixed mold 1 and a moving mold 2. A number of first forming cavities 3 are arranged at the fixed mold 1, and a number of second forming cavities 4 are arranged at the moving mold 2. A number of shunt pipes 5 are connected and arranged on one side of the fixed mold 1. The number of shunt pipes 5 corresponds to the positions of the number of first forming cavities 3 one by one, and the shunt pipes 5 are connected and communicated with the first forming cavities 3. A tower-shaped housing 6 is arranged on one side of the fixed mold 1. A material injection nozzle 7 is connected and arranged on one side of the tower-shaped housing 6. When the device is in use, by setting the shunt pipes 5 corresponding to the number of forming cavities one by one, when the material enters the tower-shaped housing 6 along the material injection nozzle 7, it will evenly enter the corresponding forming cavity interior along the number of shunt pipes 5, avoiding uneven injection molding and resulting in burrs on the produced SIM, thereby improving the product quality.

[0024] Four first connecting seats 9 are fixedly arranged in a square shape on one side of the fixed mold 1, and four second connecting seats 10 are fixedly arranged in a square shape on one side of the tower-shaped housing 6. Through holes 11 are opened on both the first connecting seats 9 and the second connecting seats 10. The first connecting seats 9 and the second connecting seats 10 are detachably connected by high-strength bolts. A sealing gasket 8 is arranged on one side of the fixed mold 1, and the sealing gasket 8 is located between the fixed mold 1 and the tower-shaped housing 6 to improve the sealing performance between the tower-shaped housing 6 and the fixed mold 1.

[0025] A cooling water channel 12 and an exhaust hole 13 are arranged on one side of the fixed mold 1. Four groups of through grooves 14 are circumferentially opened on both the moving mold 2 and the fixed mold 1. Four moving mold guide posts 15 are arranged between the fixed mold 1 and the moving mold 2. The moving mold guide posts 15 penetrate through the through grooves 14. A number of ejector rods 16 are arranged through the moving mold 2. The positions of the number of ejector rods 16 correspond to the number of second forming cavities 4 one by one, and one end of the ejector rods 16 extends into the interior of the second forming cavities 4. A moving seat 17 is fixed at the other ends of the number of ejector rods 16. After the injection molding is completed, the moving mold 2 is pressed down through the moving mold guide posts 15, and the cooling water enters between the forming cavities through the cooling water channel 12 to make the product formed. Then the moving mold 2 resets. At this time, the moving seat 17 moves to drive the ejector rods 16 to push the formed parts out of the second forming cavities 4 of the moving mold 2.

[0026] Working principle of the utility model: When the device is in use, by arranging the shunt pipes 5 corresponding to a number of forming cavities one by one, when the material enters the tower-shaped housing 6 along the injection nozzle 7, it will evenly enter the corresponding forming cavities along the shunt pipes 5, avoiding burrs on the SIM produced during production caused by uneven injection molding, thereby improving the product quality;

[0027] When the shunt pipe 5 needs to be repaired and cleaned, the staff only needs to remove the high-strength bolts between the first connecting seat 9 and the second connecting seat 10. At this time, the tower-shaped housing 6 can be removed to repair the shunt pipe 5, and the operation is simple and convenient;

[0028] After the injection molding is completed, the moving mold 2 presses down through the moving mold guide post 15, and the cooling water enters the space between the forming cavities through the cooling water channel 12 to form the product. Then the moving mold 2 resets. At this time, the moving seat 17 moves to drive the ejector rod 16 to push the formed part out of the second forming cavity 4 of the moving mold 2.

[0029] The circuits and controls involved in the utility model are all prior arts and will not be elaborated here too much.

[0030] The above are only the embodiments of the utility model, and do not limit the patent scope of the utility model accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the utility model, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the utility model.

Claims

1. A mold for injection molding of a SIM card tray with an anti-lifting function, comprising a fixed mold (1) and a movable mold (2), wherein the fixed mold (1) is provided with a plurality of first molding cavities (3), and the movable mold (2) is provided with a plurality of second molding cavities (4), characterized in that: A plurality of shunt pipes (5) are provided on one side of the fixed mold (1), the plurality of shunt pipes (5) correspond to the plurality of first molding cavities (3) in position, and the shunt pipes (5) are in communication with the first molding cavities (3); A tower-shaped shell (6) is provided on one side of the fixed mold (1), and an injection nozzle (7) is provided on one side of the tower-shaped shell (6).

2. The anti-lifting SIM card tray injection molding mold according to claim 1, characterized in that: A sealing gasket (8) is provided on one side of the fixed mold (1), and the sealing gasket (8) is located between the fixed mold (1) and the tower-shaped shell (6).

3. The anti-lifting SIM card tray injection molding mold according to claim 2, characterized in that: One side of the fixed mold (1) is in the shape of a square and has four first connecting seats (9) fixed thereto, and one side of the tower-shaped shell (6) is in the shape of a square and has four second connecting seats (10) fixed thereto, and both the first connecting seats (9) and the second connecting seats (10) are provided with through holes (11); The first connecting seat (9) and the second connecting seat (10) are detachably connected via high-strength bolts.

4. The anti-lifting SIM card tray injection molding mold according to claim 3, characterized in that: A cooling water channel (12) and an exhaust hole (13) are provided on one side of the fixed mold (1).

5. The anti-lifting SIM card tray injection molding mold according to claim 4, characterized in that: The movable mold (2) and the fixed mold (1) are both provided with four groups of through grooves (14) in a circumferential direction, and four movable mold guide pillars (15) are provided between the fixed mold (1) and the movable mold (2), and the movable mold guide pillars (15) penetrate the through grooves (14).

6. The anti-lifting SIM card tray injection molding mold according to claim 5, characterized in that: A plurality of ejector rods (16) are provided through the movable mold (2), the positions of the plurality of ejector rods (16) correspond one-to-one to the plurality of second molding cavities (4), one end of the ejector rod (16) extends into the interior of the second molding cavity (4), and a movable seat (17) is fixed to the other end of the plurality of ejector rods (16).

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