High-precision stamping die for ultra-thin titanium alloy mobile phone frame

Abstract

The utility model relates to the technical field of mobile phone frame machining, and discloses an ultrathin titanium alloy mobile phone frame high-precision stamping die which comprises a machining table, an upper die and a die changing assembly, the upper die is arranged at the bottom of the die changing assembly, and the top of the machining table is fixedly connected with a stamping frame. Two limiting frames are fixedly connected into an inner cavity of the machining table, a guide rod is fixedly connected into the limiting frame on the front side, two sliding blocks are slidably connected to the outer side of the guide rod, a mounting frame is fixedly connected to the top of the machining table, and a hydraulic cylinder is mounted at the top of the mounting frame. According to the automatic demolding device, after the telescopic sliding rod is driven by the mounting plate to move upwards, a stamped object can be taken out from the inner side of the stamping frame under the cooperation of a plurality of structures, automatic demolding operation after stamping is achieved, workers can take out the stamped object conveniently, the working efficiency is improved, and the labor intensity of workers is lowered. And the product cannot be damaged.

Description

TECHNICAL FIELD

[0001] The utility model relates to mobile phone frame processing technical field especially relates to a kind of ultra-thin titanium alloy mobile phone frame high-precision stamping die. BACKGROUND

[0002] Mobile phone frame provides physical protection for the screen and body of mobile phone, reduces the damage caused by external impact, collision and scratching to internal components of mobile phone, with the continuous development of mobile phone technology, the requirement of mobile phone frame is also higher and higher, an ultra-thin titanium alloy mobile phone frame high-precision stamping die emerges as the times require, it is mainly used to produce high-quality ultra-thin titanium alloy mobile phone frame, titanium alloy has the advantages of high strength, low density, corrosion resistance, etc., and is very suitable for manufacturing mobile phone frame.

[0003] In the prior art, mobile phone frame usually adopts traditional mechanical demolding mode in demolding operation, that is, after stamping is completed, the stamped article is taken out from the die by manual operation or simple mechanical device, in actual production scene, workers need to spend a lot of time and energy to manually take out the stamped article with the aid of tools, which not only increases labor intensity, but also reduces production efficiency. Moreover, in the manual demolding process, improper operation may cause product surface scratch or deformation, affecting product quality, in addition, the traditional demolding mode is difficult to ensure the consistency and stability of each demolding, increasing the uncertainty of product quality, therefore, the technical field proposes an ultra-thin titanium alloy mobile phone frame high-precision stamping die to solve the above problems. UTILITARIAN CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides an ultra-thin titanium alloy mobile phone frame high-precision stamping die, which aims to improve the problem that a lot of manual operation time is consumed when demolding operation is performed on mobile phone frame in the prior art, and there is also a risk of scratching the product.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: an ultra-thin titanium alloy mobile phone frame high-precision stamping die, comprising a machining table, an upper die and a die changing assembly, the upper die is arranged at the bottom of the die changing assembly, the top of the machining table is fixedly connected with a stamping frame, two limiting frames are fixedly connected in the internal cavity of the machining table, a guide rod is fixedly connected in the internal limiting frame of the front side, two sliding blocks are slidably connected to the outer side of the guide rod, an installation rack is fixedly connected to the top of the machining table, a hydraulic cylinder is installed on the top of the installation rack, an installation plate is fixedly connected to the output end of the hydraulic cylinder, the die changing assembly is arranged in the internal installation plate, a demolding assembly is arranged in the internal cavity of the machining table, the demolding assembly is used to eject the formed article from the inner side of the stamping frame;

[0006] The demolding assembly comprises a bidirectional screw rod, the bidirectional screw rod is rotationally connected to the inner side of the rear limiting frame, the outer side of the bidirectional screw rod is threadedly connected with two threaded blocks, the guide rods and the top of the threaded blocks are rotationally connected with connecting rods, the connecting rods are rotationally connected with supporting plates at one end of the same side, the top of the supporting plates is provided with a lower mold, the outer side of the bidirectional screw rod is fixedly connected with a gear, one end of the bidirectional screw rod penetrates through the outer wall of the machining table and is fixedly connected with a rotating disc, the outer side of the mounting plate is fixedly connected with a telescopic slide rod, and the bottom of the telescopic slide rod is fixedly connected with a rack plate.

[0007] Further, the inner side of the stamping frame is fixedly connected with two limiting blocks, and the bottom of the lower mold is attached to the top of the limiting blocks.

[0008] Further, the outer side of the gear is meshingly connected with one side of the rack plate, and the outer side of the threaded block is slidingly connected with the inner side of the limiting frame.

[0009] Further, the mold changing assembly comprises a spring telescopic rod, and one end of the spring telescopic rod is fixedly connected to the inside of the mounting plate.

[0010] Further, the inside of the mounting plate is provided with a sliding hole one, the inner side of the sliding hole one is slidingly connected with a lock rod, and one end of the lock rod is attached to one end of the spring telescopic rod.

[0011] Further, the top of the mounting plate is fixedly connected with two fixed blocks, the fixed blocks are rotationally connected with a disc at the proximal side, and the outer side of the disc is provided with a notched groove.

[0012] Further, one side of the fixed block is fixedly connected with a clamping bead, both sides of the outer side of the disc are provided with three recesses, and the clamping bead is clamped with the recesses.

[0013] Further, the bottom of the mounting plate is provided with a sliding hole two, the inner side of the sliding hole two is slidingly connected with an assembling block, the bottom of the assembling block is fixedly connected with the top of the upper mold, and the outer side of the lock rod is slidingly connected with the through hole of the assembling block.

[0014] The utility model has the advantages of the following beneficial effects:

[0015] 1、in the utility model, under the cooperation of multiple structures, two threaded blocks will move towards each other and make the connecting rods push the lower mold upwards after the mounting plate drives the telescopic slide rod to move upwards, so that the completed stamping articles can be taken out from the inner side of the stamping frame, automatic demolding operation is realized after stamping, the staff can take out the completed stamping articles conveniently, the work efficiency is improved, and the product will not be damaged.

[0016] 2. The utility model discloses, through the rotation disc lets the gap groove and lock rod are in the corresponding position, lets the spring telescopic rod push out the lock rod fast, realize the release to the lower mould's location, and staff can easily take down the upper mould and change, compare with traditional bolt assembly mode, save the cumbersome operation, when the upper mould is dismantled more convenient, greatly save the time and manpower cost of the replacement upper mould, improve the production flexibility and efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 A perspective view of a high-precision stamping die for an ultra-thin titanium alloy mobile phone frame is provided in the utility model;

[0018] Fig. 2 A perspective view of a high-precision stamping die for an ultra-thin titanium alloy mobile phone frame is provided in the utility model;

[0019] Fig. 3 A perspective view of a high-precision stamping die for an ultra-thin titanium alloy mobile phone frame is provided in the utility model;

[0020] Legend:

[0021] 1, processing platform, 2, stamping frame, 3, limit frame, 4, guide rod, 5, sliding block, 6, bidirectional screw rod, 7, threaded block, 8, connecting rod, 9, backing plate, 10, lower mould, 11, gear, 12, rotating disc, 13, mounting frame, 14, hydraulic cylinder, 15, mounting plate, 16, telescopic slide rod, 17, rack plate, 18, limit block, 19, spring telescopic rod, 20, sliding hole one, 21, lock rod, 22, fixed block, 23, clamping bead, 24, disc, 25, recess, 26, gap groove, 27, sliding hole two, 28, upper mould, 29, assembly block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Reference Figs. 1-3The utility model provides an embodiment: a kind of ultra-thin titanium alloy mobile phone frame high-precision stamping die, including processing table 1, upper die 28 and die changing assembly, processing table 1 is as the basis support platform of entire mould device, bearing other each component, provide stable work plane for stamping operation, upper die 28 is arranged at the bottom of die changing assembly, the top of processing table 1 is fixedly connected with stamping frame 2, fixed in the top of processing table, provide a defined space for stamping process, ensure that stamping operation is carried out in specified area, the inside cavity of processing table 1 is fixedly connected with two limit frame 3, the inside fixed connection of front limit frame 3 has guide rod 4, with slider 5 cooperation, provide orientation for the sliding of slider 5, the outside of guide rod 4 is slidably connected with two sliders 5, the top of processing table 1 is fixedly connected with mounting bracket 13, the top of mounting bracket 13 is installed with hydraulic cylinder 14, the output of hydraulic cylinder 14 is fixedly connected with mounting plate 15, die changing assembly is arranged in the inside of mounting plate 15, demoulding assembly is arranged in the inside cavity of processing table 1, and demoulding assembly is used to eject the article from the inside of stamping frame 2 from forming;Demoulding assembly includes two-way screw rod 6, two-way screw rod 6 is rotatably connected in the inside of rear limit frame 3, the outside of two-way screw rod 6 is threadedly connected with two threaded blocks 7, guide rod 4 and threaded block 7 top are rotatably connected with connecting rod 8, the end of two connecting rods 8 of same side is rotatably connected with supporting plate 9, carries lower die 10, with the movement of connecting rod 8 drives lower die 10 to lift, realizes the position adjustment and demoulding operation of lower die 10, the top of two supporting plates 9 is provided with lower die 10, the outside of two-way screw rod 6 is fixedly connected with gear 11, one end of two-way screw rod 6 penetrates the outer wall of processing table 1 and is fixedly connected with turntable 12, the outside of mounting plate 15 is fixedly connected with telescopic slide 16, the bottom of telescopic slide 16 is fixedly connected with rack plate 17, the inside of stamping frame 2 is fixedly connected with two limit blocks 18, and lower die 10 is limited and supported, the bottom of lower die 10 is attached to the top of limit block 18, the outside of gear 11 is engaged with one side of rack plate 17, the outside of threaded block 7 is slidably connected with the inside of limit frame 3.

[0024] Specifically, the staff will be placed in the lower die 10 stamping material on top, then, turn the dial 12, the rotation of the dial 12 drive gear 11 fixedly connected with it starts to rotate, the rotation of the gear 11 makes the two-way screw rod 6 also rotates, due to the special structure of the two-way screw rod 6, its outside two threaded blocks 7 start to do the relative movement, with the movement of the threaded block 7, the connecting rod 8 also occurs corresponding action, the connecting rod 8 in turn drives the lower die 10 slowly down. In the process of moving down, the lower die 10 is finally fitted to the limit block 18, the position of the lower die 10 is accurately defined at this time, then start the hydraulic cylinder 14, the hydraulic cylinder 14 starts to work and drives the mounting plate 15 to move down, the mounting plate 15 drives the upper die 28 connected with it to press down. The upper die 28 gradually approaches the lower die 10, and finally completes the operation of the upper and lower die, in the process, the upper die 28 and the lower die 10 closely cooperate to stamp the material placed between them. When the stamping is completed, the mounting plate 15 starts to move up, at the same time, also drives the telescopic slide rod 16 to move up, with the continuous upward movement of the mounting plate 15, the telescopic slide rod 16 gradually stretches, when the telescopic slide rod 16 stretches to the limit, it will drive the rack plate 17 to move up. The upward movement of the rack plate 17 makes the gear 11 meshed with it rotate again, synchronously drives the two-way screw rod 6 to rotate, at this time, the two threaded blocks 7 start to do the relative movement, the threaded block 7 moves towards each other through the connecting rod 8 to push the lower die 10 upwards, in this way, the stamped article can be taken out from the inside of the stamping frame 2, this design is very convenient for the staff to take out the stamped article, improves the work efficiency.

[0025] With reference to Figs. 1-3 The die changing assembly comprises a spring telescopic rod 19, one end of the spring telescopic rod 19 is fixedly connected in the inside of the mounting plate 15, the inside of the mounting plate 15 is provided with a sliding hole one 20, the inside of the sliding hole one 20 is slidably connected with a lock rod 21, when the lock rod 21 is inserted into the through hole in the assembly block 29, the upper die 28 is fixed, one end of the lock rod 21 is in close contact with one end of the spring telescopic rod 19, the top of the mounting plate 15 is fixedly connected with two fixed blocks 22, the proximal side of the two fixed blocks 22 is rotatably connected with a disc 24, the outside of the disc 24 is provided with a notched groove 26, one side of the fixed block 22 is fixedly connected with a clamping bead 23, the clamping bead 23 is clamped with the recess 25 on the disc 24, the rotating position of the disc 24 is positioned, the outside of the disc 24 is provided with three recesses 25 on both sides, the clamping bead 23 is clamped with the recess 25, the bottom of the mounting plate 15 is provided with a sliding hole two 27, the inside of the sliding hole two 27 is slidably connected with the assembly block 29, the bottom of the assembly block 29 is fixedly connected with the top of the upper die 28, the outside of the lock rod 21 is slidably connected with the through hole in the assembly block 29.

[0026] Specifically, when the upper die 28 needs to be switched, the worker can rotate the disc 24, and with the rotation of the disc 24, different grooves 25 will be sequentially clamped with the clamping balls 23, when rotated to a specific position, another groove 25 is clamped with the clamping ball 23, and at the same time, the notch groove 26 is located at the lowermost position, at this position, the elastic force of the spring telescopic rod 19 is released, and the elastic force of the spring telescopic rod 19 pushes the lock rod 21 to slide outwards quickly through the notch groove 26. At this time, the worker can pull out the lock rod 21 from the inside of the sliding hole one 20, and the assembly block 29 is pulled out from the inside of the sliding hole two 27, so that the upper die 28 can be easily disassembled and replaced. Compared with the traditional bolt assembly method, this design is more convenient when disassembling the upper die, which greatly saves the time and labor cost of replacing the upper die, improves the flexibility and efficiency of production.

[0027] Working principle: first, place the material on the top of the lower die 10, then rotate the rotating disc 12 to drive the gear 11 to rotate, then make the two threaded blocks 7 move away from each other, and make the connecting rod 8 drive the lower die 10 to move down and adhere to the limiting block 18, then start the hydraulic cylinder 14 to drive the mounting plate 15 to move down, and drive the telescopic slide rod 16 to move up, when the telescopic slide rod 16 is stretched to the limit, drive the rack plate 17 to move up, and then drive the gear 11 to rotate, synchronously drive the bidirectional screw 6 to rotate, so that the two threaded blocks 7 move towards each other, push the lower die 10 upwards, and can take out the punched article from the inside of the punching frame 2, which is convenient for the worker to take out.

[0028] In addition, when the upper die 28 needs to be switched, the disc 24 can be rotated to make another groove 25 clamped with the clamping ball 23, and at the same time, the notch groove 26 is located at the lowermost position, at this time, the elastic force of the spring telescopic rod 19 will push the lock rod 21 to slide outwards quickly through the notch groove 26, the worker can pull out the lock rod 21 from the inside of the sliding hole one 20, and the assembly block 29 is pulled out from the inside of the sliding hole two 27, so that the upper die 28 can be easily disassembled and replaced, compared with the traditional bolt assembly method, it is more convenient when disassembling.

[0029] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An ultra-thin titanium alloy mobile phone frame high-precision stamping die, comprising a machining table (1), an upper die (28) and a die changing assembly, characterized in that: The upper die (28) is arranged at the bottom of the die changing assembly, the top of the machining table (1) is fixedly connected with a stamping frame (2), two limiting frames (3) are fixedly connected in the internal cavity of the machining table (1), a guide rod (4) is fixedly connected in the internal cavity of the front limiting frame (3), two sliding blocks (5) are slidably connected to the outer side of the guide rod (4), a mounting frame (13) is fixedly connected to the top of the machining table (1), a hydraulic cylinder (14) is mounted on the top of the mounting frame (13), an installation plate (15) is fixedly connected to the output end of the hydraulic cylinder (14), the die changing assembly is arranged in the internal cavity of the installation plate (15), and a demolding assembly is arranged in the internal cavity of the machining table (1), the demolding assembly is used for ejecting the formed article from the inner side of the stamping frame (2). The demolding assembly comprises a bidirectional screw rod (6), the bidirectional screw rod (6) is rotatably connected to the inner side of the rear limiting frame (3), two threaded blocks (7) are threadedly connected to the outer side of the bidirectional screw rod (6), a connecting rod (8) is rotatably connected to the top of the guide rod (4) and the threaded block (7), one end of each of the two connecting rods (8) on the same side is rotatably connected with a supporting plate (9), a lower die (10) is arranged on the top of the two supporting plates (9), a gear (11) is fixedly connected to the outer side of the bidirectional screw rod (6), one end of the bidirectional screw rod (6) penetrates through the outer wall of the machining table (1) and is fixedly connected with a rotating disc (12), a telescopic slide rod (16) is fixedly connected to the outer side of the installation plate (15), and a rack plate (17) is fixedly connected to the bottom of the telescopic slide rod (16).

2. The high-precision stamping die for an ultra-thin titanium alloy mobile phone frame according to claim 1, characterized in that: The inner side of the stamping frame (2) is fixedly connected with two limiting blocks (18), and the bottom of the lower die (10) is in abutment with the top of the limiting block (18).

3. The high-precision stamping die for an ultra-thin titanium alloy mobile phone frame according to claim 2, characterized in that: The outer side of the gear (11) is in meshing connection with one side of the rack plate (17), and the outer side of the threaded block (7) is slidably connected to the inner side of the limiting frame (3).

4. The high-precision stamping die for an ultra-thin titanium alloy mobile phone frame according to claim 1, characterized in that: The die changing assembly comprises a spring telescopic rod (19), one end of the spring telescopic rod (19) is fixedly connected in the internal cavity of the installation plate (15).

5. The high-precision stamping die for an ultra-thin titanium alloy mobile phone frame according to claim 4, characterized in that: A sliding hole one (20) is formed in the internal cavity of the installation plate (15), a locking rod (21) is slidably connected to the inner side of the sliding hole one (20), and one end of the locking rod (21) is in abutment with one end of the spring telescopic rod (19).

6. The high-precision stamping die for an ultra-thin titanium alloy mobile phone frame according to claim 5, characterized in that: The top of the installation plate (15) is fixedly connected with two fixed blocks (22), a disc (24) is rotatably connected to the proximal side of the two fixed blocks (22), and a notch groove (26) is formed in the outer side of the disc (24).

7. The high-precision stamping die for an ultra-thin titanium alloy mobile phone frame according to claim 6, characterized in that: One side of the fixed block (22) is fixedly connected with a clamping bead (23), and three recesses (25) are formed in the outer sides of the disc (24).

8. The high-precision stamping die for an ultra-thin titanium alloy mobile phone frame according to claim 7, characterized in that: A sliding hole two (27) is formed in the bottom of the installation plate (15), an assembling block (29) is slidably connected to the inner side of the sliding hole two (27), the bottom of the assembling block (29) is fixedly connected with the top of the upper die (28), and the outer side of the locking rod (21) is slidably connected with the through hole in the internal cavity of the assembling block (29).

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