Injection mold for processing rear cover of mobile phone

Abstract

The utility model discloses an injection mold for mobile phone rear cover processing, which comprises a fixed base, a lower mold, a support column, a fixed top plate and an upper mold, the lower mold is fixedly arranged at the top of the fixed base, a cooling cavity is arranged in an inner cavity of the lower mold, a plurality of mold cavities are arranged at the top of the lower mold, and the upper mold is arranged in the cooling cavity. According to the mobile phone rear cover injection mold, a plurality of mobile phone rear covers can be formed on the lower mold in an injection molding mode at a time, so that the machining efficiency is improved, after the mobile phone rear covers are formed, the multiple mobile phone rear covers can be ejected out at a time through the multiple ejection plates, and the production efficiency is improved. According to the mobile phone rear cover moving device, the lower die is arranged on the upper die and is matched with the push plate to move the multiple mobile phone rear covers on the lower die at a time, so that the moving efficiency of the mobile phone rear covers is improved, workers do not need to manually take the formed mobile phone rear covers in the mode, safety accidents can be avoided, and the safety of production and machining is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mobile phone back cover processing technical field, concretely is a kind of mobile phone back cover processing and injection mold. BACKGROUND

[0002] Mobile phone back cover is a layer of structure covered on the back of mobile phone, is located outside the mainboard, battery and other core components of mobile phone, plays multiple roles such as protecting internal components, enhancing the stability of mobile phone structure and beautifying appearance. The material of mobile phone back cover is various, and the back cover of plastic material is one of widely used materials. The mobile phone back cover of plastic material is generally processed by using injection mold when processing.

[0003] As China's public patent, application number CN202223374189.X, easy-to-release mobile phone back cover processing injection mold, mentioned: "including lower mold, lifting plate, mold cavity, upper mold and ejector rod, mold cavity is arranged in the inside of lower mold, upper mold is arranged above lower mold, the bottom end of upper mold extends to the inside of mold cavity and is mutually matched, the center position of the inside of upper mold is provided with injection channel, the center position of the top end of upper mold is provided with injection port, injection port is communicated with injection channel, the center position of the inside of lower mold is provided with driving groove, and the inside of lower mold is provided with through hole above driving groove, driving groove is all installed with telescopic drive element in the inside, lifting plate is fixed on the output end of telescopic drive element, ejector rod is arranged in the inside of through hole".

[0004] Through the search of prior art such as the above patent, we find that this kind of technology still has some defects when carrying out injection molding of mobile phone back cover:

[0005] After a mobile phone back cover is injection molded, the mobile phone back cover in the mold cavity needs to be taken out before the next injection molding, which on the one hand has the problem of low injection molding efficiency, only one mobile phone back cover can be formed at a time, and on the other hand, after the mobile phone back cover is ejected from the mold cavity, the formed mobile phone back cover on the mold cavity needs to be manually or with the aid of tools by the staff, which will have certain safety hazards, and is not conducive to rapid and safe production. UTILITY MODEL CONTENTS

[0006] The utility model is to overcome the above-mentioned situation, aims at providing a technical scheme that can solve the above-mentioned problems.

[0007] To achieve the above object, the utility model provides following technical scheme: A mobile phone back cover processing is with injection mold, including fixed base, lower mould, support column, fixed top plate and upper mould, the top of lower mould is solid and set in fixed base, the inner chamber of lower mould is equipped with cooling cavity, the top of lower mould is equipped with a plurality of mould cavities, the inner bottom wall of each mould cavity is provided with ejection plate, the bottom of ejection plate is solid with jacking rod, and the bottom of a plurality of jacking rods is all through cooling cavity and is fixed on a jacking plate, the central position of the inner bottom wall of cooling cavity is installed with cylinder no.

[0008] As a further scheme of the utility model: The fixed top plate is fixed on the fixed base through four support columns, the upper mould is arranged at the bottom of the fixed top plate, a cylinder no. 1 is installed at the central position of the top of the fixed top plate, and the power output shaft of the cylinder no. 1 is movably penetrated through the fixed top plate and is fixed at the central position of the top of the upper mould.

[0009] As a further scheme of the utility model: One side of the upper mould is provided with an injection pipe, the output port of the injection pipe is arranged in the inside of the upper mould and is communicated with a shunt pipe, the shunt pipe is communicated with two flow guide pipes on one side, the bottom of each flow guide pipe is communicated with a plurality of injection ports, and each module is fixed at the bottom of the upper mould and at the position corresponding to each mould cavity.

[0010] As a further scheme of the utility model: The four corners of the top of the upper mould are provided with telescopic rods no. 1, the telescopic rod no. 1 comprises an outer cylinder no. 1 and an inner rod no. 1 sliding in the outer cylinder no. 1, the bottom of the outer cylinder no. 1 is fixed on the upper mould, and the top of the inner rod no. 1 is fixed on the bottom of the fixed top plate.

[0011] As a further scheme of the utility model: The four corners of the bottom of the jacking plate are provided with telescopic rods no. 2, the telescopic rod no. 2 comprises an outer cylinder no. 2 and an inner rod no. 2 slidingly connected in the outer cylinder no. 2, the bottom of the outer cylinder no. 2 is fixed on the inner bottom wall of the cooling cavity, and the top of the inner rod no. 2 is fixed on the bottom of the jacking plate.

[0012] As a further scheme of the utility model: The right side of the lower mould is communicated with an air inlet pipe, the left side of the lower mould is communicated with an air outlet pipe, and the air inlet end of the air inlet pipe is communicated with an externally arranged cooling fan.

[0013] As a further scheme of the utility model: When the ejection plate is jacked up by the cylinder no. 2, the top of the ejection plate and the top surface of the lower mould are at the same horizontal plane.

[0014] As a further scheme of the utility model: the back of the lower mold is further fixed with an inclined guide slope, the back of the fixed base is fixed with a support plate two, the top of the support plate two is placed with a storage frame, and the storage frame is located at the bottom of the guide slope.

[0015] Compared with the prior art, the utility model has the beneficial effects as follows:

[0016] In the application, the upper mold, the lower mold, the mold cavity, the cylinder two, the ejection plate, the electric telescopic rod and the push plate are designed, so that multiple mobile phone back covers can be injection molded on the lower mold at a time, thereby improving the processing efficiency. After the mobile phone back cover is molded, multiple mobile phone back covers can be ejected at a time through multiple ejection plates, and the push plate is used to remove the multiple mobile phone back covers on the lower mold at a time, thereby improving the removal efficiency of the mobile phone back cover. In addition, the staff does not need to manually take the molded mobile phone back cover, which can avoid safety accidents and improve the safety of production and processing. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the side view structure schematic diagram of the lower mold and the upper mold after the lower mold and the upper mold are combined;

[0019] Figure 3 It is the side view structure schematic diagram of the guide slope of the utility model;

[0020] Figure 4 It is the side view structure schematic diagram of the lower mold and the upper mold after the lower mold and the upper mold are separated and the ejection plate is lifted.

[0021] The reference signs and names in the drawings are as follows:

[0022] 1, fixed base; 2, lower mold; 201, guide slope; 3, support column; 4, fixed top plate; 5, upper mold; 6, support plate one; 7, support block; 8, electric telescopic rod; 9, push plate; 10, mold cavity; 11, air inlet pipe; 1101, air outlet pipe; 12, injection pipe; 1201, shunt pipe; 13, support plate two; 14, cylinder one; 15, telescopic rod one; 16, flow guide pipe; 17, injection port; 18, module; 19, cooling cavity; 20, cylinder two; 21, lifting plate; 22, telescopic rod two; 23, lifting rod; 24, ejection plate; 25, storage frame. DETAILED DESCRIPTION

[0023] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made, belong to the scope of protection of the present application.

[0024] Please refer to Figures 1-4 The utility model provides a mobile phone back cover processing uses injection mold, including fixed base 1, lower mould 2, support column 3, fixed top plate 4 and upper mould 5, lower mould 2 is fixed in the top of fixed base 1, and the inner chamber of lower mould 2 is equipped with cooling cavity 19, and the top of lower mould 2 is equipped with a plurality of mould cavities 10, and the inner bottom wall of each mould cavity 10 is provided with the ejection plate 24, and the bottom of ejection plate 24 is fixed with the jacking rod 23, and the bottom of a plurality of jacking rods 23 is penetrated into cooling cavity 19 and is fixed on a jacking plate 21, and the middle position of the inner bottom wall of cooling cavity 19 is installed with cylinder no. 2 20, and the power output shaft of cylinder no. 2 20 is fixed in the middle position of the bottom of jacking plate 21, when ejection plate 24 is jacked by cylinder no. 2 20, the top of ejection plate 24 and the top surface of lower mould 2 are in the same horizontal plane, the front of fixed base 1 is fixed with support plate no. 1 6, and the top of support plate no. 1 6 is installed with electric telescopic rod 8 through support block 7, and the power output shaft of electric telescopic rod 8 is fixed with push plate 9, and the bottom of push plate 9 is attached to the top of lower mould 2, and when push plate 9 is active, it will not be blocked by lower mould 2, and can slide on lower mould 2 well, and when push plate 9 is retracted, it does not affect the mould closing of upper mould 5 and lower mould 2.

[0025] Please refer to Figure 1 In the embodiment, the fixed top plate 4 is fixed on the fixed base 1 through the four support columns 3, and the upper mould 5 is arranged at the bottom of the fixed top plate 4. The middle position of the top of the fixed top plate 4 is provided with a cylinder no. 1 14, and the power output shaft of the cylinder no. 1 14 is movably penetrated through the fixed top plate 4 and fixed at the middle position of the top of the upper mould 5.

[0026] Specifically, the support column 3 plays a role in stabilizing the fixed top plate 4 and can also stabilize the cylinder no. 1 14 on the fixed top plate 4. When the power output shaft of the cylinder no. 1 14 outputs, the upper mould 5 can be driven to move.

[0027] Please refer to Figure 2 In the embodiment, the upper mould 5 is provided with an injection pipe 12 on one side. The output port of the injection pipe 12 is arranged in the interior of the upper mould 5 and is communicated with a shunt pipe 1201. The shunt pipe 1201 is communicated with two flow guide pipes 16 on one side. The bottom of each flow guide pipe 16 is communicated with a plurality of injection ports 17. The bottom of the upper mould 5 and the positions corresponding to each mould cavity 10 are fixed with a module 18. Each module 18 is communicated with an injection port 17.

[0028] Specifically, the injection pipe 12 is used for the input of raw materials, the distribution pipe 1201 is used for distributing the raw materials in the injection pipe 12 into two paths and inputting into each injection port 17, the injection port 17 is communicated with the module 18 and can flow out from the bottom of the module 18, each module 18 corresponds to each mold cavity 10, and each module 18 can be ensured to enter each mold cavity 10.

[0029] Please refer to Figure 2 In the embodiment, the four corners of the top of the upper die 5 are provided with telescopic rods one 15, the telescopic rod one 15 includes an outer cylinder one and an inner rod one sliding in the outer cylinder one, the bottom of the outer cylinder one is fixed on the upper die 5, and the top of the inner rod one is fixed on the bottom of the fixed top plate 4.

[0030] Specifically, the telescopic rod one 15 can improve the stability of the upper die 5 during movement and ensure the position positioning property of the upper die 5 during movement.

[0031] Please refer to Figure 2 In the embodiment, the bottom of the four corners of the top lift plate 21 is provided with telescopic rods two 22, the telescopic rod two 22 includes an outer cylinder two and an inner rod two slidingly connected in the outer cylinder two, the bottom of the outer cylinder two is fixed on the inner bottom wall of the cooling cavity 19, and the top of the inner rod two is fixed on the bottom of the top lift plate 21.

[0032] Specifically, the telescopic rod two 22 can improve the stability of the top lift plate 21 during movement and ensure the position positioning property of the top lift plate 21 during movement.

[0033] Please refer to Figure 2 In the embodiment, the right side of the lower die 2 is communicated with the air inlet pipe 11, the left side of the lower die 2 is communicated with the air outlet pipe 1101, and the air inlet end of the air inlet pipe 11 is communicated with an externally-arranged cooling fan.

[0034] Specifically, the cooling cavity 19 can be arranged to cooperate with the externally-arranged cooling fan to bring cool air into the cooling cavity 19, so as to take away the heat in the cooling cavity 19, the heat in the cooling cavity 19 comes from the mold cavity 10 and is discharged from the air outlet pipe 1101, which can effectively improve the cooling speed of the product in the mold cavity 10 and also take away the heat generated by the operation of the cylinder two 20.

[0035] Please refer to Figure 3 In the embodiment, the back of the lower die 2 is further fixed with an inclined guide slope 201, the back of the fixed base 1 is fixed with a support plate two 13, the top of the support plate two 13 is placed with a storage frame 25, and the storage frame 25 is located at the bottom of the guide slope 201.

[0036] Specifically, the guide slope 201 can facilitate the quick sliding of the formed mobile phone back cover and entering into the storage frame 25, when there are more mobile phone back covers in the storage frame 25, the staff can take away the storage frame 25 and take out the mobile phone back cover in the storage frame 25 to enter into the next production and processing link.

[0037] In use:

[0038] Start the cylinder one 14, use the power output shaft of the cylinder one 14 to push the upper mold 5 to descend, realize the clamping of the upper mold 5 and the lower mold 2, the mobile phone back cover raw material is input through the injection pipe 12, and is shunted to two flow guide pipes 16 through the shunt pipe 1201, and then enters the injection port 17 after being guided by the flow guide pipe 16, the injection port 17 is communicated with the inside of the mold 18, and flows out from the bottom of the mold 18, enters the mold cavity 10, realizes the forming of the mobile phone back cover after cooling in the mold cavity 10, then restarts the cylinder one 14, drives the upper mold 5 away from the lower mold 2, then starts the cylinder two 20, the power output shaft of the cylinder two 20 pushes the lifting plate 21 to lift, the lifting plate 21 pushes the lifting rod 23 to lift, the lifting rod 23 pushes the ejection plate 24 to lift, and the mobile phone back cover formed in the mold cavity 10 is ejected, when the ejection plate 24 moves to the terminal point, the top of the ejection plate 24 is flush with the top surface of the lower mold 2, and the ejected mobile phone back cover is higher than the lower mold 2;

[0039] Start the electric telescopic rod 8, the power output shaft of the electric telescopic rod 8 pushes the push plate 9 to move, so as to push the plurality of mobile phone back covers on the lower mold 2 together to the side of the storage frame 25, until the plurality of mobile phone back covers are pushed and fall into the storage frame 25 along the guide slope 201, thus completing the removal of the mobile phone back cover;

[0040] Finally, the staff can drive the electric telescopic rod 8 to retract and return to the initial position, and re-clamp the upper mold 5 and the lower mold 2, so as to realize the injection molding of the mobile phone back cover in the next round.

[0041] It is obvious to those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. Injection mold for processing mobile phone back cover, including fixed base (1), lower mold (2), support column (3), fixed top plate (4) and upper mold (5), it is characterized in being, The lower mold (2) is fixed on the top of the fixed base (1), the inner cavity of the lower mold (2) is provided with a cooling cavity (19), the top of the lower mold (2) is provided with a plurality of mold cavities (10), the inner bottom wall of each mold cavity (10) is provided with an ejection plate (24), the bottom of the ejection plate (24) is fixed with a lifting rod (23), the bottom of the plurality of lifting rods (23) penetrates into the cooling cavity (19) and is fixed on a lifting plate (21), and the middle position of the inner bottom wall of the cooling cavity (19) is provided with a cylinder (20), and the power output shaft of the cylinder (20) is fixed on the middle position of the bottom of the lifting plate (21). The front of the fixed base (1) is fixed with a support plate (6), the top of the support plate (6) is provided with an electric telescopic rod (8) through a support block (7), the power output shaft of the electric telescopic rod (8) is fixed with a push plate (9), and the bottom of the push plate (9) is attached to the top of the lower mold (2).

2. The injection mold for processing a mobile phone back cover of claim 1, wherein, The fixed top plate (4) is fixed on the fixed base (1) by four support columns (3), the upper mold (5) is arranged on the bottom of the fixed top plate (4), the middle position of the top of the fixed top plate (4) is provided with a cylinder (14), and the power output shaft of the cylinder (14) is movably penetrated through the fixed top plate (4) and fixed on the middle position of the top of the upper mold (5).

3. The injection mold for processing a mobile phone back cover of claim 1, wherein, One side of the upper mold (5) is provided with an injection pipe (12), the output port of the injection pipe (12) is arranged in the inside of the upper mold (5) and is communicated with a shunt pipe (1201), one side of the shunt pipe (1201) is communicated with two flow guide pipes (16), the bottom of each flow guide pipe (16) is communicated with a plurality of injection ports (17), and the bottom of the upper mold (5) and the position corresponding to each mold cavity (10) is fixed with a module (18), and each module (18) is communicated with an injection port (17).

4. The injection mold for processing a mobile phone back cover of claim 1, wherein, The four corners of the top of the upper mold (5) are provided with telescopic rods (15), the telescopic rod (15) includes an outer cylinder (1) and an inner rod (1) sliding in the outer cylinder (1), the bottom of the outer cylinder (1) is fixed on the upper mold (5), and the top of the inner rod (1) is fixed on the bottom of the fixed top plate (4).

5. The injection mold for processing a mobile phone back cover of claim 1, wherein, The bottom of the lifting plate (21) is provided with telescopic rods (22) at the four corners, the telescopic rod (22) includes an outer cylinder (2) and an inner rod (2) slidingly connected in the outer cylinder (2), the bottom of the outer cylinder (2) is fixed on the inner bottom wall of the cooling cavity (19), and the top of the inner rod (2) is fixed on the bottom of the lifting plate (21).

6. The injection mold for processing a mobile phone back cover of claim 1, wherein, The right side of the lower mold (2) is communicated with an air inlet pipe (11), the left side of the lower mold (2) is communicated with an air outlet pipe (1101), and the air inlet end of the air inlet pipe (11) is communicated with an externally provided cooling fan.

7. The injection mold for processing a mobile phone back cover of claim 1, wherein, When the ejection plate (24) is lifted by the second air cylinder (20), the top of the ejection plate (24) is at the same level with the top surface of the lower mold (2).

8. The injection mold for processing a mobile phone back cover of claim 1, wherein, The back surface of the lower mold (2) is further fixed with an inclined guide slope (201), the back surface of the fixed base (1) is fixed with a second support plate (13), the top of the second support plate (13) is placed with a receiving frame (25), and the receiving frame (25) is located at the bottom of the guide slope (201).

Images