Injection molding pressing mold for mobile phone frame

Abstract

The utility model relates to an injection molding pressing mould for a mobile phone frame, which comprises two stand columns, a pressing mould and a pressure-bearing mould, the pressing mould and the pressure-bearing mould are both installed on the two stand columns in a sliding mode, the top side of the pressure-bearing mould is provided with a mobile phone frame groove, and a control piece is arranged in the pressure-bearing mould. The utility model relates to the technical field of mobile phone frame injection molds. When the injection molding pressing mold for the mobile phone frame is used, a control piece can be driven when a downward pressing mold descends, so that the control piece reserves a position corresponding to a key in a mobile phone frame groove, and then a key limiting block can be pulled out after an injection molding raw material is cooled and the downward pressing mold ascends; through holes of the keys on the mobile phone frame are directly reserved after injection molding is completed, the subsequent punching step is omitted, and the production efficiency of the mobile phone frame is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of injection molds for mobile phone frames, and in particular to an injection molding die for mobile phone frames. Background Technology

[0002] Plastic frames are lighter than metal frames, helping to reduce the overall weight of the phone and improve the user experience. The relatively low production cost of plastic also helps lower the phone's price, increasing its market competitiveness. Furthermore, plastic frames are less expensive to repair, reducing the burden on users, and they are less susceptible to corrosion from sweat and other liquids, extending the phone's lifespan.

[0003] In existing technology, plastic mobile phone frames are mainly produced through injection molding. After injection molding, the mobile phone frame is removed and subsequent work is carried out. However, the side wall of the mobile phone frame usually needs to be equipped with movable buttons. Therefore, after injection molding, through holes for the corresponding buttons need to be made to install the volume buttons and lock screen buttons of the mobile phone, as well as through holes for the charging port. However, these through holes are generally made after the mobile phone frame is injection molded, which increases the time required for the production of mobile phone frames and thus affects the production efficiency of mobile phone frames. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide an injection molding die for mobile phone frame, so as to solve the technical problems mentioned in the background art.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0006] A mobile phone frame injection molding die includes two columns, a lower pressing die and a bearing die. The lower pressing die and the bearing die are slidably mounted on the two columns. A mobile phone frame groove is opened on the top side of the bearing die. A control component is provided inside the bearing die.

[0007] The control component includes a lock screen button slot, a volume button slot, a charging interface slot, a button limiting block, a connecting pipe, an air pipe, an air cavity, and a support column. The lock screen button slot, the volume button slot, and the charging interface slot are respectively opened on two adjacent side walls of the phone frame slot. There are three button limiting blocks, which are slidably installed in the lock screen button slot, the volume button slot, and the charging interface slot, and are dynamically sealed. The connecting pipe is fixedly installed in the pressure-bearing mold and communicates with the lock screen button slot, the volume button slot, and the charging interface slot. The air pipe is fixedly installed in the pressure-bearing mold, and its top end communicates with the connecting pipe. The air cavity is opened at the top of the pressure-bearing mold and communicates with the air pipe. The support column is slidably installed in the air cavity and is dynamically sealed. The top end of the support column is fixedly connected to the bottom side of the pressing mold.

[0008] In a preferred embodiment, the present invention can be further configured such that a sealing ring is connected to the center of the bottom side of the pressing mold, and the shape of the sealing ring is the same as the shape of the mobile phone frame groove.

[0009] In a preferred embodiment, the present invention can be further configured such that: two injection holes are provided on the bottom side of the sealing ring, the two injection holes are respectively located on two opposite sides of the bottom of the sealing ring, and an injection hole is provided on the top side of the pressing mold. The injection hole is Y-shaped and communicates with the two injection holes.

[0010] In a preferred embodiment, the present invention can be further configured such that the width of the two button limiting blocks located within the volume button slot and the lock screen button slot is greater than the width of the bottom sidewall of the mobile phone frame slot.

[0011] In a preferred embodiment, the present invention can be further configured such that: an insertion slot corresponding to the button limiting block is provided on the side wall of the mobile phone frame groove near the middle of the pressure mold.

[0012] In summary, this utility model has at least one of the following beneficial technical effects:

[0013] 1. The injection molding die for mobile phone frame can drive the control component when the lower die descends, so that the control component reserves the position of the corresponding button in the groove of the mobile phone frame. After the injection molding material cools and the lower die rises, the button limiting block can be pulled out, so that the through hole of the button at the mobile phone frame is directly left after the injection molding is completed, eliminating the subsequent drilling step and improving the production efficiency of mobile phone frame.

[0014] 2. The injection molding die for a mobile phone frame allows the injection head to directly inject raw material from the injection hole, and then inject it into two injection holes, thereby injecting the raw material into the groove of the mobile phone frame from two positions, thus enabling the mobile phone frame to be quickly injection molded.

[0015] 3. The injection molding mold for a mobile phone frame, wherein the width of the button limiting block in the lock screen button slot, volume button slot and charging interface slot is greater than the width of the bottom side of the mobile phone frame slot, so that when the button limiting block is inserted into the mobile phone frame slot, after the raw material is injected into the mobile phone frame slot, a button hole can be reserved, thereby avoiding gaps that affect the forming of the mobile phone frame and the forming of the corresponding button hole;

[0016] 4. In this injection molding die for a mobile phone frame, an insertion slot corresponding to a button limiting block is provided on one side of the mobile phone frame groove near the middle of the pressure mold. This allows the button insertion bottom groove to be directly inserted into the corresponding insertion slot when the block moves. A gap appears at the end of the button limiting block, which affects the reservation of the corresponding mobile phone button hole, thus eliminating the need for subsequent drilling work. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Fig. 1 This is a schematic diagram of the overall structure of an injection molding die for a mobile phone frame according to the present invention.

[0019] Fig. 2 This is a schematic diagram of the internal structure of the pressure mold of an injection molding die for a mobile phone frame according to this utility model.

[0020] Fig. 3 This is a schematic diagram of the internal structure of the pressing mold of an injection molding die for a mobile phone frame according to this utility model.

[0021] In the diagram, 1. Column; 2. Pressing mold; 3. Pressure-bearing mold; 4. Mobile phone frame groove; 5. Control component; 6. Lock screen button groove; 7. Volume button groove; 8. Charging interface groove; 9. Button limiting block; 10. Connecting pipe; 11. Air pipe; 12. Air chamber; 13. Support column; 14. Sealing ring; 15. Injection hole; 16. Injection hole; 17. Insertion groove. Detailed Implementation

[0022] The present invention will be further described in detail below with reference to the accompanying drawings.

[0023] Example:

[0024] Reference Figs. 1-3 The present invention discloses an injection molding die for a mobile phone frame, comprising two columns 1, a lowering die 2 and a bearing die 3. The lowering die 2 and the bearing die 3 are slidably mounted on the two columns 1. A mobile phone frame groove 4 is provided on the top side of the bearing die 3, and a control component 5 is provided inside the bearing die 3.

[0025] The control component 5 includes a lock screen button slot 6, a volume button slot 7, a charging interface slot 8, a button limiting block 9, a connecting pipe 10, an air pipe 11, an air chamber 12, and a support column 13. The lock screen button slot 6, the volume button slot 7, and the charging interface slot 8 are respectively formed on two adjacent side walls of the phone frame slot 4. There are three button limiting blocks 9, which are slidably installed in the lock screen button slot 6, the volume button slot 7, and the charging interface slot 8, and are dynamically sealed. The connecting pipe 10... The 0 is fixedly installed inside the pressure-bearing mold 3. The connecting pipe 10 is connected to the lock screen button slot 6, the volume button slot 7 and the charging interface slot 8 respectively. The air pipe 11 is fixedly installed inside the pressure-bearing mold 3. The top end of the air pipe 11 is connected to the connecting pipe 10. The air cavity 12 is opened at the top of the pressure-bearing mold 3. The air cavity 12 is connected to the air pipe 11. The support column 13 is slidably installed inside the air cavity 12 and is dynamically sealed. The top end of the support column 13 is fixedly connected to the bottom side of the pressing mold 2.

[0026] In this embodiment, during use, the pressing mold 2 will descend on the column 1 and then merge with the pressure mold 3 to perform injection molding. When the pressing mold 2 descends, it will push the support, which is slidably connected to the air cavity 12 and is dynamically sealed. At this time, the support column 13 will be inserted into the air cavity 12, and then the air in the air cavity 12 will be injected into the air pipe 11 and then into the connecting pipe 10. The connecting pipe 10 is connected to the lock screen button slot 6, the volume button slot 7 and the charging interface slot 8. Therefore, the air in the connecting pipe 10 will be injected into the lock screen button slot 6, the volume button slot 7 and the charging interface slot 8 respectively, which will push the three button limiting blocks 9 respectively, so that the button limiting blocks 9 are pushed into the phone frame slot 4 and fit against the side wall of the phone frame slot 4 near the middle of the pressure mold 3. When the molten plastic is injected into the phone frame slot 4, the phone frame will reserve the positions of the lock screen button, volume button and charging port.

[0027] After injection molding is completed, the pressure mold 2 moves upward, which will drive the support column 13 to move upward, thereby drawing out the air in the air pipe 11 and connecting pipe 10, and at the same time drawing out the lock screen button slot 6, volume button slot 7 and charging interface slot 8, creating negative pressure inside them, which in turn draws the corresponding button limiting block 9 into the lock screen button slot 6, volume button slot 7 and charging interface slot 8 respectively. Then the button limiting block 9 will release the restriction on the phone frame to facilitate subsequent demolding.

[0028] Therefore, this utility model enables the button holes on the mobile phone frame to be pre-drilled during injection molding, eliminating the need for subsequent drilling work and improving the production efficiency of mobile phone frames.

[0029] In a further preferred embodiment of this utility model, such as Figs. 1-3 As shown, a sealing ring 14 is connected to the middle of the bottom side of the pressing mold 2, and the shape of the sealing ring 14 is the same as the shape of the mobile phone frame groove 4.

[0030] In this embodiment, the sealing ring 14 is pressed into the mobile phone frame groove 4 when the lower mold descends, ensuring the sealing of the mobile phone frame groove 4 and preventing the overflow of raw materials during injection molding, thereby affecting the quality of the mobile phone frame injection molding.

[0031] In a further preferred embodiment of this utility model, such as Fig. 3 As shown, the sealing ring 14 has two injection holes 15 on its bottom side. The two injection holes 15 are located on two opposite sides of the bottom of the sealing ring 14. The top side of the pressing mold 2 has an injection hole 16. The injection hole 16 is Y-shaped and communicates with the two injection holes 15.

[0032] In this embodiment, the injection head can directly inject the raw material from the injection hole 16, and then inject it into the two injection holes 15 from the injection hole 16, so that the raw material can be injected into the mobile phone frame groove 4 from two positions, thereby quickly achieving the effect of injection molding of the mobile phone frame.

[0033] In a further preferred embodiment of this utility model, such as Fig. 2 As shown, the width of the two button limiting blocks 9 located in the volume button slot 7 and the lock screen button slot 6 is greater than the width of the bottom sidewall of the phone frame slot 4.

[0034] In this embodiment, the width of the button limiting block 9 in the lock screen button slot 6, volume button slot 7 and charging interface slot 8 is greater than the width of the bottom side of the phone frame slot 4. This allows the button limiting block 9 to be inserted into the phone frame slot 4, and after the raw material is injected into the phone frame slot 4, a button hole can be reserved, thereby avoiding gaps that could affect the forming of the phone frame and the corresponding button hole.

[0035] In a further preferred embodiment of this utility model, such as Fig. 2 As shown, the side wall of the mobile phone frame groove 4 near the middle of the pressure mold 3 has an insertion groove 17 corresponding to the button limiting block 9.

[0036] In this embodiment, an insertion slot 17 corresponding to the button limiting block 9 is provided on one side of the mobile phone frame groove 4 near the middle of the pressure mold 3, so that the button insertion bottom groove can be directly inserted into the corresponding insertion slot 17 when it moves. A gap appears at the end of the button limiting block 9, which affects the reservation of the corresponding mobile phone button hole, thereby saving the subsequent drilling work.

[0037] The embodiments described herein are preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape, and principle of this utility model should be included within the scope of protection of this utility model.

Claims

1. A mobile phone frame injection molding die, comprising two pillars (1), a pressing die (2), and a bearing die (3), wherein the pressing die (2) and the bearing die (3) are slidably mounted on the two pillars (1), characterized in that, The pressure mold (3) has a mobile phone frame groove (4) on its top side, and a control component (5) is provided inside the pressure mold (3); The control component (5) includes a lock screen button slot (6), a volume button slot (7), a charging interface slot (8), a button limiting block (9), a connecting pipe (10), an air pipe (11), an air chamber (12), and a support column (13). The lock screen button slot (6), the volume button slot (7), and the charging interface slot (8) are respectively opened on two adjacent side walls of the mobile phone frame slot (4). There are three button limiting blocks (9), which are slidably installed in the lock screen button slot (6), the volume button slot (7), and the charging interface slot (8), and are dynamically sealed. The connecting pipe (10) 10) Fixedly installed in the pressure mold (3), the connecting pipe (10) is connected to the lock screen button slot (6), the volume button slot (7) and the charging interface slot (8) respectively, the air pipe (11) is fixedly installed in the pressure mold (3), the top end of the air pipe (11) is connected to the connecting pipe (10), the air cavity (12) is opened at the top of the pressure mold (3), the air cavity (12) is connected to the air pipe (11), the support column (13) is slidably installed in the air cavity (12) and is dynamically sealed, the top end of the support column (13) is fixedly connected to the bottom side of the pressing mold (2).

2. The injection molding die for a mobile phone frame according to claim 1, characterized in that, A sealing ring (14) is connected to the middle of the bottom side of the pressing mold (2), and the shape of the sealing ring (14) is the same as the shape of the mobile phone frame groove (4).

3. The injection molding die for a mobile phone frame according to claim 2, characterized in that, The sealing ring (14) has two injection holes (15) on its bottom side. The two injection holes (15) are located on two opposite sides of the bottom of the sealing ring (14). The pressing mold (2) has an injection hole (16) on its top side. The injection hole (16) is Y-shaped and communicates with the two injection holes (15).

4. The injection molding die for a mobile phone frame according to claim 3, characterized in that, The width of the two button limiting blocks (9) located in the volume button slot (7) and the lock screen button slot (6) is greater than the width of the bottom sidewall of the mobile phone frame slot (4).

5. The injection molding die for a mobile phone frame according to claim 4, characterized in that, The mobile phone frame groove (4) has an insertion groove (17) on the side wall near the middle of the pressure mold (3) that corresponds to the button limiting block (9).

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