Exhaust structure of mobile phone middle plate die-casting die

Abstract

The utility model discloses a mobile phone middle plate die-casting die exhaust structure which comprises a lower fixing plate and an ejector plate, the ejector plate is arranged at the top end of the lower fixing plate, a male die plate is arranged at the top end of the ejector plate, a female die plate is arranged at the top end of the male die plate, and an upper fixing plate is installed at the top end of the female die plate. An upper mold body is installed at the center position in the female mold plate, a lower mold base is installed at the center position in the male mold plate, a runner is formed in the lower mold base and extends into the male mold plate, and positioning plates are installed on the outer walls of the two sides of the male mold plate. According to the exhaust structure of the mobile phone middle plate die-casting die, the mobile phone middle plate die-casting die can be conveniently demolded to take out a product, multi-structure limiting supporting of the die-casting die is facilitated, convenient air suction and exhaust are facilitated, reverse blowing is facilitated to dredge an air channel, and the air channel is prevented from being blocked.

Description

Technical Field

[0001] The utility model relates to the technical field of die-casting die exhaust structures, in particular to an exhaust structure for a die-casting die for a mobile phone middle plate. Background Art

[0002] The centralized exhaust structure of die casting mold refers to an exhaust system set in the die casting mold. Its function is to exhaust the gas in the mold cavity during the die casting process to ensure the quality and production efficiency of the casting. During the die casting process, the gas in the mold cavity will have a great impact on the quality of the casting. If there is gas in the mold cavity, it will cause defects such as bubbles and pores on the surface of the casting, affecting the appearance and performance of the casting. At the same time, the gas will also affect the density and strength of the casting, reducing the quality of the casting. Therefore, during the die casting process, measures must be taken to exhaust the gas in the mold cavity.

[0003] For example, a die-casting mold exhaust structure disclosed in the authorization announcement number CN211938979U includes a lower module, the top of the lower module is fixedly connected to a movable template, the top of the lower module is provided with a slot, the inner wall of the slot is movably connected to a fixed column, one end of the fixed column is fixedly connected to an upper module, the bottom of the upper module is fixedly connected to a fixed template, the bottom of the fixed template is provided with a cavity, one side of the fixed template is fixedly connected to an exhaust block, the inner side wall of the exhaust block is fixedly connected to a cooling pipe, and the outer wall of the cavity is fixedly connected to a slag bag;

[0004] Although the die-casting mold exhaust structure is realized, the purpose of fully exhausting the air in the mold cavity can be achieved, the problem of poor exhaust effect of the exhaust structure of the general die-casting mold is solved, the exhaust area is increased, the exhaust volume of the mold is increased, the design is ingenious, the exhaust efficiency is high, the exhaust effect is good, the molding quality of the die-casting mold is guaranteed, and it is used for relatively complex molds with good practical performance;

[0005] However, the problem that the existing exhaust structure of such die-casting molds is generally not conducive to convenient demoulding and removing products during use, is not conducive to multi-structure limiting support and convenient air extraction and exhaust for the die-casting mold, is not conducive to reverse blowing to clear the air path, and can easily cause blockage of the air path. Utility Model Content

[0006] The purpose of the utility model is to provide an exhaust structure for a die-casting mold for a middle plate of a mobile phone, so as to solve the problem that the exhaust structure for the die-casting mold proposed in the above background technology is not convenient for demolding and removing the product, is not conducive to multi-structure limiting support and convenient air extraction and exhaust for the die-casting mold, is not conducive to reverse blowing to clear the air path, and easily causes blockage of the air path.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an exhaust structure of a mobile phone middle plate die-casting mold, comprising a lower fixed plate and an ejector plate, the top of the lower fixed plate is provided with an ejector plate, the top of the ejector plate is provided with a male template, the top of the male template is provided with a female template, the top of the female template is installed with an upper fixed plate, an upper mold body is installed at the center position inside the female template, a lower mold seat is installed at the center position inside the male template, a flow channel is provided inside the lower mold seat, and the flow channel extends to the inside of the male template, positioning plates are installed on the outer walls on both sides of the male template, hydraulic cylinders are installed on the outer walls of the positioning plates, transmission rods are installed on the output ends of the hydraulic cylinders, transmission blocks are installed on the ends of the transmission rods away from the hydraulic cylinders, sliders are installed on the ends of the transmission blocks away from the transmission rods, and stoppers are installed on the ends of the sliders away from the transmission blocks.

[0008] Preferably, a gate is provided at the top of the upper fixed plate above the runner, and the gate extends to the inside of the runner.

[0009] Preferably, two groups of lower mold bodies are symmetrically installed inside the lower mold base, liquid sensors are installed on the inner walls of the lower mold bodies, exhaust pipes are arranged inside the lower mold bodies on one side of the liquid sensors, vacuum pumps are installed inside the male mold plates on one side of the exhaust pipes, vacuum pipes are installed on the outer walls of the vacuum pumps, and the vacuum pipes extend to the inside of the exhaust pipes, air intake pumps are installed inside the male mold plates on the other side of the exhaust pipes, air intake pipes are installed on the outer walls of the air intake pumps, and the air intake pipes extend to the inside of the exhaust pipes.

[0010] Preferably, two groups of guide posts are symmetrically installed at the bottom end of the female template, guide sleeves are arranged inside the male template below the guide posts, and the guide posts are slidably connected to the guide sleeves.

[0011] Preferably, a tongue block is installed on the side wall of the female template, a clamping shaft is installed on the top of the tongue block, and the tongue block is movably connected to the female template through the clamping shaft, a clamping groove is provided inside the tongue block below the clamping shaft, and a limiting block is installed on the outer wall of the male template on one side of the tongue block.

[0012] Preferably, a control panel is installed on the outer wall of the ejector plate, and the output end of the control panel is electrically connected to the liquid sensor and the input end of the hydraulic cylinder.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the die-casting mold exhaust structure not only realizes the convenient demoulding and product removal of the mobile phone middle plate die-casting mold exhaust structure, but also facilitates the multi-structure limit support of the die-casting mold, facilitates convenient air extraction and exhaust, and facilitates reverse blowing to clear the air path, thus avoiding blockage of the air path;

[0014] (1) When demolding is required, the upper mold body and the lower mold base are separated under the drive of the die-casting machine, the hydraulic cylinder drives the transmission block to move through the transmission rod, the transmission block drives the stopper to move through the slider, and the stopper slides out from the inside of the lower mold base to facilitate demolding of the product. When the mold is closed, the guide column enters the inside of the guide sleeve to play a role of limiting support. When the mold is transported, under the connection of the clamping shaft and the support of the clamping tongue block, the clamping groove is clamped on the surface of the limiting block to connect and fix the female mold plate and the male mold plate to prevent separation or displacement, thereby realizing the convenient demolding and taking out of the exhaust structure of the mobile phone middle plate die-casting mold, facilitating the multi-structure limiting support of the die-casting mold, and preventing the die-casting mold from separation or displacement;

[0015] (2) When the molten metal liquid enters the interior of the lower die seat, the gas inside the lower die seat enters the interior of the lower die body, then enters the interior of the exhaust pipe, and then enters the interior of the exhaust pipe to extract the air. When the metal liquid flows into the interior of the lower die body, the liquid sensor detects the liquid, and the liquid sensor feeds back to the control panel. The control panel controls the vacuum pump to stop pumping. When there is metal raw material in the exhaust pipe or the lower die body, the air intake pump sends the external gas back into the air intake pipe, and then sends the gas into the exhaust pipe from the air intake pipe to prevent the exhaust pipe from being blocked, so as to play a role in unblocking the air path. The exhaust structure of the die-casting mold can be conveniently exhausted, and reverse blowing is convenient for unblocking the air path, thus avoiding blockage of the air path. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 It is a schematic diagram of the three-dimensional explosion structure of the upper mold body of the utility model;

[0018] Figure 3 This is a schematic diagram of the front cross-sectional structure of the exhaust pipe of the utility model;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the male template of the utility model.

[0020] In the figure: 1. lower fixing plate; 2. ejector plate; 3. male mold plate; 4. female mold plate; 5. upper fixing plate; 6. upper mold body; 7. gate; 8. clamping shaft; 9. clamping groove; 10. clamping tongue block; 11. guide column; 12. guide sleeve; 13. limit block; 14. lower mold base; 15. runner; 16. positioning plate; 17. hydraulic cylinder; 18. transmission rod; 19. transmission block; 20. exhaust pipe; 21. liquid sensor; 22. slider; 23. stopper; 24. lower mold body; 25. control panel; 26. exhaust pipe; 27. exhaust pump; 28. intake pipe; 29. ​​intake pump. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 , the utility model provides an embodiment: a mobile phone middle plate die-casting mold exhaust structure, including a lower fixed plate 1 and an ejector plate 2, the top of the lower fixed plate 1 is provided with an ejector plate 2, the top of the ejector plate 2 is provided with a male template 3, the top of the male template 3 is provided with a female template 4, the top of the female template 4 is installed with an upper fixed plate 5, the center position of the female template 4 is installed with an upper mold body 6, the center position of the male template 3 is installed with a lower mold base 14, the interior of the lower mold base 14 is provided with a flow channel 15, and the flow channel 15 extends to the interior of the male template 3, positioning plates 16 are installed on the outer walls of both sides of the male template 3, hydraulic cylinders 17 are installed on the outer walls of the positioning plates 16, and transmission rods 18 are installed on the output ends of the hydraulic cylinders 17, and transmission blocks 19 are installed on the ends of the transmission rods 18 away from the hydraulic cylinders 17, and sliders 22 are installed on the ends of the transmission blocks 19 away from the transmission rods 18, and stoppers 23 are installed on the ends of the sliders 22 away from the transmission blocks 19;

[0023] A gate 7 is provided at the top of the upper fixing plate 5 above the runner 15, and the gate 7 extends to the inside of the runner 15;

[0024] Two sets of guide posts 11 are symmetrically installed at the bottom of the female template 4. Guide sleeves 12 are arranged inside the male template 3 below the guide posts 11. The guide posts 11 and the guide sleeves 12 are slidably connected to each other, and the guide posts 11 and the guide sleeves 12 play the role of limiting support.

[0025] A tongue block 10 is installed on the side wall of the female template 4, a clamping shaft 8 is installed on the top of the tongue block 10, and the tongue block 10 is movably connected with the female template 4 through the clamping shaft 8, a clamping groove 9 is arranged inside the tongue block 10 below the clamping shaft 8, and a limit block 13 is installed on the outer wall of the male template 3 on one side of the tongue block 10;

[0026] A control panel 25 is installed on the outer wall of the ejector plate 2, and the output end of the control panel 25 is electrically connected to the input end of the liquid sensor 21 and the hydraulic cylinder 17;

[0027] When in use, the female mold plate 4 and the male mold plate 3 are molded together under the drive of the die-casting machine, and the external molten metal liquid enters the inside of the runner 15 through the gate 7, and is transported by the runner 15 to the inside of the lower mold base 14 and the upper mold body 6 to be cooled and formed to form a mobile phone middle plate product. When demolding is required, under the drive of the die-casting machine, the upper mold body 6 and the lower mold base 14 are separated, and the control panel 25 is operated to open the two groups of hydraulic cylinders 17. Under the drive of the positioning plate 16, the hydraulic cylinder 17 drives the transmission block 19 to move through the transmission rod 18, and the transmission block 19 drives the stopper through the slider 22 23 moves, and the stopper 23 slides out from the inside of the lower die seat 14 to facilitate demoulding of the product. When the mold is closed, the guide column 11 enters the inside of the guide sleeve 12 to play the role of limiting support. When the mold is transported, under the connection of the clamping shaft 8 and the support of the clamping tongue block 10, the clamping groove 9 is clamped on the surface of the limiting block 13 to connect and fix the female template 4 and the male template 3 to prevent separation or deviation, thereby realizing the convenient demoulding and taking out of the product of the exhaust structure of the mobile phone middle plate die-casting mold, facilitating the multi-structure limiting support of the die-casting mold, and preventing the die-casting mold from separation or deviation;

[0028] Two groups of lower mold bodies 24 are symmetrically installed inside the lower mold base 14, and liquid sensors 21 are installed on the inner walls of the lower mold bodies 24. An exhaust pipe 20 is provided inside the lower mold bodies 24 on one side of the liquid sensor 21, and an air pump 27 is installed inside the male mold plate 3 on one side of the exhaust pipe 20. The air pump 27 is used to extract air, and an air pump 26 is installed on the outer wall of the air pump 27, and the air pump 26 extends to the inside of the exhaust pipe 20. An air intake pump 29 is installed inside the male mold plate 3 on the other side of the exhaust pipe 20, and the air intake pump 29 is used to supply air. An air intake pipe 28 is installed on the outer wall of the air intake pump 29, and the air intake pipe 28 extends to the inside of the exhaust pipe 20;

[0029] When in use, when the molten metal liquid enters the interior of the lower die base 14, the control panel 25 is operated to turn on the vacuum pump 27. Driven by the vacuum pump 27, the gas inside the lower die base 14 enters the interior of the lower die body 24, enters the interior of the exhaust pipe 20 from the lower die body 24, and enters the interior of the vacuum pipe 26 from the exhaust pipe 20 to extract the air. When the metal liquid flows into the interior of the lower die body 24, the liquid sensor 21 detects the liquid, and the liquid sensor 21 feeds back to the control panel 25, and the control panel 25 controls the vacuum pump 27 to stop pumping. When there is metal raw material in the exhaust pipe 20 or the lower die body 24, the control panel 25 is operated to turn on the air intake pump 29, and the air intake pump 29 reversely sends the external gas into the interior of the air intake pipe 28, and then sends the air into the interior of the exhaust pipe 20 from the air intake pipe 28 to prevent the exhaust pipe 20 from being blocked, so as to play a role in unblocking the air path, thereby realizing convenient vacuuming and exhausting of the exhaust structure of the die-casting mold, facilitating reverse blowing to unblock the air path, and avoiding blockage of the air path.

[0030] When the embodiment of the present application is in use: an external power supply is connected, and the female mold plate 4 and the male mold plate 3 are first molded together under the drive of the die-casting machine. The external molten metal liquid enters the interior of the runner 15 through the gate 7, and is transported by the runner 15 to the interior of the lower mold base 14 and the upper mold body 6 for cooling and molding to form a mobile phone mid-plate product. When demolding is required, the upper mold body 6 and the lower mold base 14 are separated under the drive of the die-casting machine, and the operation control panel 25 opens the two groups of hydraulic cylinders 17. Under the drive of the positioning plate 16, the hydraulic cylinder 17 drives the transmission block 19 to move through the transmission rod 18, and the transmission block 19 drives the stopper 23 to move through the slider 22, and the stopper 23 slides out from the interior of the lower mold base 14 to facilitate product demolding. When the mold is closed, the guide column 11 enters the interior of the guide sleeve 12 to play the role of limiting support. When the mold is transported, under the connection of the clamping shaft 8 and the support of the clamping tongue block 10, the clamping groove 9 is clamped on the surface of the limiting block 13 to connect the female mold plate 4 and the male mold plate 3 Fixed to prevent separation or deviation, then when the molten metal liquid enters the interior of the lower die base 14, the control panel 25 is operated to turn on the vacuum pump 27. Driven by the vacuum pump 27, the gas inside the lower die base 14 enters the interior of the lower die body 24, and enters the interior of the exhaust pipe 20 from the lower die body 24, and enters the interior of the vacuum pipe 26 from the exhaust pipe 20 to extract the air. When the metal liquid flows into the interior of the lower die body 24, the liquid sensor 21 detects the liquid, and the liquid sensor 21 feeds back to the control panel 25. The control panel 25 controls the vacuum pump 27 to stop pumping. When there is metal raw material in the exhaust pipe 20 or the lower die body 24, the control panel 25 is operated to turn on the air intake pump 29, and the air intake pump 29 reversely sends the external gas into the interior of the air intake pipe 28, and the air intake pipe 28 sends it into the interior of the exhaust pipe 20 to prevent the exhaust pipe 20 from being blocked, so as to play a role in clearing the air path and complete the use of the exhaust structure of the die-casting mold.

Claims

1. A mobile phone mid-plate die-casting mold exhaust structure, characterized in that: The invention comprises a lower fixing plate (1) and an ejector plate (2), wherein the top of the lower fixing plate (1) is provided with an ejector plate (2), the top of the ejector plate (2) is provided with a male mold plate (3), the top of the male mold plate (3) is provided with a female mold plate (4), the top of the female mold plate (4) is provided with an upper fixing plate (5), an upper mold body (6) is installed at the center position inside the female mold plate (4), a lower mold seat (14) is installed at the center position inside the male mold plate (3), a flow channel (15) is provided inside the lower mold seat (14), and the flow channel (15) ) extends to the interior of the male template (3), positioning plates (16) are installed on the outer walls of both sides of the male template (3), hydraulic cylinders (17) are installed on the outer walls of the positioning plates (16), transmission rods (18) are installed at the output ends of the hydraulic cylinders (17), transmission blocks (19) are installed at the ends of the transmission rods (18) away from the hydraulic cylinders (17), sliding blocks (22) are installed at the ends of the transmission blocks (19) away from the transmission rods (18), and stop blocks (23) are installed at the ends of the sliding blocks (22) away from the transmission blocks (19).

2. The exhaust structure of the die-casting mold for the middle plate of a mobile phone according to claim 1, characterized in that: A gate (7) is provided at the top of the upper fixed plate (5) above the flow channel (15), and the gate (7) extends to the inside of the flow channel (15).

3. The exhaust structure of the die-casting mold for a mobile phone middle plate according to claim 1, characterized in that: Two groups of lower mold bodies (24) are symmetrically installed inside the lower mold base (14), and liquid sensors (21) are installed on the inner walls of the lower mold bodies (24). An exhaust pipe (20) is arranged inside the lower mold body (24) on one side of the liquid sensor (21), and an air pump (27) is installed inside the male mold plate (3) on one side of the exhaust pipe (20). An air pump (26) is installed on the outer wall of the air pump (27), and the air pump (26) extends to the inside of the exhaust pipe (20). An air intake pump (29) is installed inside the male mold plate (3) on the other side of the exhaust pipe (20), and an air intake pipe (28) is installed on the outer wall of the air intake pump (29), and the air intake pipe (28) extends to the inside of the exhaust pipe (20).

4. The exhaust structure of the die-casting mold for a mobile phone middle plate according to claim 1, characterized in that: Two groups of guide posts (11) are symmetrically mounted at the bottom end of the female template (4), and guide sleeves (12) are arranged inside the male template (3) below the guide posts (11), and the guide posts (11) and the guide sleeves (12) are slidably connected.

5. The exhaust structure of the die-casting mold for a mobile phone middle plate according to claim 1, characterized in that: A latch block (10) is installed on the side wall of the female template (4), a latch shaft (8) is installed on the top of the latch block (10), and the latch block (10) is movably connected to the female template (4) via the latch shaft (8), a latch groove (9) is arranged inside the latch block (10) below the latch shaft (8), and a limit block (13) is installed on the outer wall of the male template (3) on one side of the latch block (10).

6. The exhaust structure of the die-casting mold for a mobile phone middle plate according to claim 1, characterized in that: A control panel (25) is installed on the outer wall of the ejector plate (2), and the output end of the control panel (25) is electrically connected to the liquid sensor (21) and the input end of the hydraulic cylinder (17).

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