Stamping die for producing RF shielding case

Abstract

The utility model relates to the technical field of stamping dies, in particular to a stamping die for producing RF shielding cases, which comprises a base, a lower die is fixedly mounted on the upper surface of the base, a mounting seat is fixedly mounted on the base, hydraulic cylinders are symmetrically and fixedly mounted on the upper surface of the mounting seat, and hydraulic rods of the two hydraulic cylinders penetrate through the mounting seat. An upper die is fixedly mounted on the base; a mounting opening is formed in the upper surface of the upper die, a mounting rod is vertically arranged in the mounting opening, a mounting groove is formed in the bottom end of the mounting rod, and a suction cup is fixedly mounted at the bottom end of the mounting rod. When the upper die moves downwards to punch a shielding case plate located at the lower die, the suction cup tightly abuts against and attracts the shielding case plate, so that the formed shielding case plate is driven to move upwards together in the process that punching is finished and the upper die moves upwards, a shielding case is moved out of a die cavity of the lower die, convenience and rapidness are achieved, and the production efficiency is improved. And the molded shielding case plate does not need to be manually taken out from the lower die cavity for a long time.

Description

Technical Field

[0001] This utility model relates to the field of stamping die technology, and in particular to a stamping die for producing RF shielding covers. Background Technology

[0002] RF shielding covers are mainly used to shield radio frequency signals inside electronic devices, prevent signal interference, and ensure the normal operation of the equipment. During the production process, RF shielding covers need to be stamped by stamping dies. Usually, the shielding cover material to be stamped is placed in the lower die, and then the upper die is moved down by a hydraulic cylinder to apply a certain pressure to the shielding cover material located in the lower die, thereby forming it.

[0003] After the existing shielding cover material is stamped, the surface of the shielding cover material will form a clamping force with the lower mold cavity after stamping. That is, the surface of the shielding cover material will be tightly attached to the cavity wall, and there is a large friction between the contact surfaces. It takes a long time to manually remove the shielding cover material located in the lower mold, which is quite inconvenient. Utility Model Content

[0004] The purpose of this utility model is to solve the following shortcomings in the existing technology: after the shielding cover plate is stamped, due to the clamping force formed between the surface of the shielding cover plate and the lower mold cavity after stamping, that is, the surface of the shielding cover plate will be tightly attached to the cavity wall, and there is a large friction between the contact surfaces. It is inconvenient to manually spend a long time to remove the shielding cover plate located in the lower mold. Therefore, a stamping die for producing RF shielding covers is proposed.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A stamping die for producing an RF shield includes a base, a lower die fixedly mounted on the upper surface of the base, an L-shaped mounting seat fixedly mounted on the upper surface of the base, and hydraulic cylinders symmetrically fixedly mounted on the upper surface of the mounting seat. The hydraulic rods of the two hydraulic cylinders pass through the mounting seat and are fixedly mounted with an upper die.

[0007] The upper surface of the upper mold has an installation opening, and a vertically installed installation rod is installed inside the installation opening. The bottom end of the installation rod has an installation groove, and a suction cup is fixedly installed at the bottom end of the installation rod. An installation plate is fixedly sleeved on the installation rod. Spring rods are symmetrically fixedly installed on the upper surface of the upper mold, and the top end of the spring rod is fixedly connected to the lower surface of the installation plate. An L-shaped limiting plate is fixedly installed on the upper surface of the upper mold. The limiting plate is used to limit the upward movement distance of the installation plate. A rotating opening is opened at the top of the installation rod, and a desorption component for releasing the suction cup is provided inside the rotating opening.

[0008] Preferably, the desorption component includes a rotating shaft and an arc-shaped sealing plate that are rotatably installed in the rotating port. The surface of the mounting rod has an arc-shaped air port. The surface of the sealing plate is in sliding sealing contact with the wall of the mounting groove, and the sealing plate is used to block the air port. One end of the rotating shaft located in the mounting groove is fixedly connected to the sealing plate through a connecting rod. A placement block is fixedly installed at the top of the rotating shaft, and the placement block is connected to the mounting rod through an elastic component.

[0009] Preferably, the elastic component includes a torsion spring sleeved on the rotating shaft, with both ends of the torsion spring fixedly connected to the mounting block and the mounting rod, respectively.

[0010] Preferably, the upper surface of the upper mold is provided with a locking component, which is used to lock the upper mold.

[0011] Preferably, the locking assembly includes a U-shaped locking rod and two mounting blocks symmetrically fixedly mounted on the upper surface of the upper mold. The mounting blocks have through holes on their surfaces, and the locking rod is slidably inserted into the two through holes. The mounting base has symmetrical locking grooves on its surface for the two ends of the locking rod to be inserted.

[0012] Preferably, a rubber ring is fixedly installed inside the opening, and the surface of the locking rod slides in contact with the inner ring wall of the rubber ring.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] When the upper die moves down to press the shielding cover plate located at the lower die, the suction cup will tightly abut and attract the shielding cover plate. In this way, when the stamping is completed and the upper die moves up, it will move up with the formed shielding cover plate, so that the shielding cover is removed from the lower die cavity. Then, the suction cup and the shielding cover plate can be released by the de-suction component. It is convenient and quick, and there is no need for manual labor to spend a long time to remove the formed shielding cover plate from the lower die cavity. Attached Figure Description

[0015] Figure 1 This is a front three-dimensional structural diagram of a stamping die for producing an RF shielding cover, as proposed in this utility model.

[0016] Figure 2 This is a bottom-view three-dimensional structural diagram of a stamping die for producing an RF shielding cover, as proposed in this utility model.

[0017] Figure 3 This is a partial three-dimensional structural diagram of the upper die in a stamping die for producing an RF shielding cover, as proposed in this utility model.

[0018] Figure 4 for Figure 1 Enlarged view of the structure at point A in the middle;

[0019] Figure 5 for Figure 2 Enlarged view of the structure at point B in the middle;

[0020] Figure 6 for Figure 3 Enlarged view of the structure at point C.

[0021] In the diagram: 1. Base, 2. Lower mold, 3. Mounting seat, 4. Hydraulic cylinder, 5. Upper mold, 6. Mounting rod, 7. Mounting groove, 8. Suction cup, 9. Mounting plate, 10. Spring rod, 11. Limiting plate, 12. Rotating shaft, 13. Sealing plate, 14. Air port, 15. Torsion spring, 16. Locking rod, 17. Mounting block, 18. Locking groove, 19. Rubber ring. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0023] The terms used in this utility model, such as "upper", "lower", "left", "right", "middle" and "one", are only for clarity of description and are not intended to limit the scope of implementation of this utility model. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered as within the scope of implementation of this utility model.

[0024] Reference Figures 1-6 A stamping die for producing RF shielding covers includes a base 1, a lower die 2 fixedly mounted on the upper surface of the base 1, an L-shaped mounting seat 3 fixedly mounted on the upper surface of the base 1, and hydraulic cylinders 4 symmetrically fixedly mounted on the upper surface of the mounting seat 3. The hydraulic rods of the two hydraulic cylinders 4 pass through the mounting seat 3 and are fixedly mounted on the upper die 5.

[0025] The upper surface of the upper mold 5 has an installation opening, and a vertically mounted installation rod 6 is installed inside the installation opening. An installation groove 7 is provided at the bottom end of the installation rod 6, and a suction cup 8 is fixedly mounted at the bottom end of the installation rod 6. An installation plate 9 is fixedly sleeved on the installation rod 6. Spring rods 10 are symmetrically fixedly mounted on the upper surface of the upper mold 5, and the top end of the spring rods 10 is fixedly connected to the lower surface of the installation plate 9. An L-shaped limiting plate 11 is fixedly mounted on the upper surface of the upper mold 5 to limit the upward movement distance of the installation plate 9. A rotating opening is provided at the top of the installation rod 6, and a desorption component is provided inside the rotating opening to release the suction cup 8 from its adsorption. The components include a rotating shaft 12 and an arc-shaped sealing plate 13, which are rotatably installed in the rotating port. An arc-shaped air port 14 is provided on the surface of the mounting rod 6. The surface of the sealing plate 13 is in sliding sealing contact with the groove wall of the mounting groove 7, and the sealing plate 13 is used to seal the air port 14. One end of the rotating shaft 12 located in the mounting groove 7 is fixedly connected to the sealing plate 13 through a connecting rod. A mounting block is fixedly installed at the top of the rotating shaft 12. The mounting block is connected to the mounting rod 6 through an elastic component. The elastic component includes a torsion spring 15 sleeved on the rotating shaft 12. The two ends of the torsion spring 15 are fixedly connected to the mounting block and the mounting rod 6, respectively.

[0026] First, the shielding cover plate to be stamped is placed on top of the lower die 2 and positioned in the correct processing position. Then, the hydraulic cylinder 4 is activated to control the upper die 5 to move downward, causing the upper die 5 to stamp the shielding cover plate located at the processing position. During this process, the suction cup 8 will abut against the upper surface of the shielding cover plate, and under the pressure, the suction cup 8 will move upward along with the mounting rod 6 and the mounting plate 9. At this time, the two spring rods 10 will be stretched until the mounting plate 9 moves upward and abuts against the limiting plate 11, after which it can no longer move upward. At this point, the suction cup 8 will deform under the pressure of the shielding cover plate. Because the sealing plate 13, under the elastic potential energy of the torsion spring 15, will initially cover the air port 14, the air port 14 will be in a closed state, and the gas in the suction cup 8 and the mounting groove 7 will slip out from the gap between the suction cup 8 and the shielding plate, thus forming an adsorption with the shielding plate. When the stamping is finished, when the hydraulic cylinder 4 moves the upper mold 5 upward, due to the adsorption of the suction cup 8, the shielding plate will move upward with the upper mold 5 and will automatically move out of the mold cavity of the lower mold 2, without the need for manual labor to spend a long time to remove the formed shielding plate from the mold cavity of the lower mold 2.

[0027] When the upper mold 5 moves to its highest position, the operator can rotate the shaft 12 to control the sealing plate 13 to rotate until it no longer covers the air port 14. The air port 14 will then be in an open state, and the gas from the outside will enter the mounting groove 7 and the suction cup 8 from the air port 14, making the pressure inside and outside the suction cup 8 the same, thus easily releasing the adhesion between the suction cup 8 and the shielding cover plate.

[0028] Then, when the rotating shaft 12 is released, the rotating shaft 12 will quickly rotate and reset under the elastic potential energy of the torsion spring 15, and cover the air port 14 again, thus closing the air port 14.

[0029] The upper surface of the upper mold 5 is provided with a locking component, which is used to lock the upper mold 5. The locking component includes a U-shaped locking rod 16 and two mounting blocks 17 that are symmetrically fixedly installed on the upper surface of the upper mold 5. The surface of the mounting block 17 is provided with a through hole, and the locking rod 16 is slidably inserted into the two through holes. The surface of the mounting base 3 is symmetrically provided with locking grooves 18 for the two ends of the locking rod 16 to be inserted.

[0030] When the upper mold 5 moves upward along with the stamped shielding plate, and reaches its highest point, the two ends of the locking rod 16 will correspond to the positions of the two locking slots 18 respectively. Then, control the locking rod 16 to move closer to the mounting base 3, so that the two ends of the locking rod 16 are inserted into the two locking slots 18 respectively, which can lock the upper mold 5. Then, release the suction cup 8 and remove the shielding plate. This can avoid the hydraulic cylinder 4 moving the upper mold 5 downward during these operations, which could pose a certain safety hazard.

[0031] Once these tasks are completed, the locking lever 16 can be moved away from the locking groove 18 again, so that both ends of the locking lever 16 move out of the two locking grooves 18 respectively, thereby releasing the lock on the upper mold 5.

[0032] A rubber ring 19 is fixedly installed inside the opening, and the surface of the locking rod 16 slides in contact with the inner ring wall of the rubber ring 19.

[0033] The rubber ring 19 can increase the friction between the locking rod 16 and the through-hole contact surface, thereby reducing the possibility that the locking rod 16 will slide inside the through-hole during the vertical movement of the upper mold 5.

[0034] In this invention, the shielding cover plate to be stamped is first placed on top of the lower die 2 and positioned in the correct processing position. Then, the hydraulic cylinder 4 is activated to control the upper die 5 to move downward, causing the upper die 5 to stamp the shielding cover plate located at the processing position. During this process, the suction cup 8 will abut against the upper surface of the shielding cover plate, and under the pressure, the suction cup 8 will move upward along with the mounting rod 6 and the mounting plate 9. At this time, the two spring rods 10 will be stretched until the mounting plate 9 moves upward to abut against the limiting plate 11, after which it can no longer move upward. At this point, the suction cup 8 is subjected to the force of the shielding cover plate. The pressure will cause deformation, and the gas in the suction cup 8 and the mounting groove 7 will slip out from the gap between the suction cup 8 and the contact surface of the shielding cover plate, thus forming an adsorption with the shielding cover plate. When the stamping is finished, when the hydraulic cylinder 4 moves the upper mold 5 upward, the shielding cover plate will move upward with the upper mold 5 due to the adsorption of the suction cup 8, and will be automatically removed from the mold cavity of the lower mold 2. There is no need for manual labor to spend a long time to remove the formed shielding cover plate from the mold cavity of the lower mold 2, which reduces the labor burden of the workers and improves the work efficiency of shielding cover stamping.

[0035] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "connection", "linking", "fixing", etc., should be interpreted broadly.

[0036] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A stamping die for producing an RF shield, comprising a base (1), characterized in that, The base (1) has a lower mold (2) fixedly installed on its upper surface. The base (1) has an L-shaped mounting seat (3) fixedly installed on its upper surface. The mounting seat (3) has hydraulic cylinders (4) fixedly installed symmetrically on its upper surface. The hydraulic rods of the two hydraulic cylinders (4) pass through the mounting seat (3) and are fixedly installed with an upper mold (5). The upper mold (5) has an installation opening on its upper surface. An installation rod (6) is vertically installed in the installation opening. An installation groove (7) is opened at the bottom end of the installation rod (6). A suction cup (8) is fixedly installed at the bottom end of the installation rod (6). An installation plate (9) is fixedly sleeved on the installation rod (6). A spring rod (10) is symmetrically fixedly installed on the upper surface of the upper mold (5). The top end of the spring rod (10) is fixedly connected to the lower surface of the installation plate (9). An L-shaped limiting plate (11) is fixedly installed on the upper surface of the upper mold (5). The limiting plate (11) is used to limit the upward movement distance of the installation plate (9). A rotating opening is opened at the top of the installation rod (6). A desorption component for releasing the suction cup (8) is provided in the rotating opening.

2. A stamping die for producing an RF shielding cover according to claim 1, characterized in that, The desorption component includes a rotating shaft (12) and an arc-shaped sealing plate (13) that are rotatably installed in the rotating port. The surface of the mounting rod (6) is provided with an arc-shaped air port (14). The surface of the sealing plate (13) is in sliding sealing contact with the groove wall of the mounting groove (7), and the sealing plate (13) is used to block the air port (14). One end of the rotating shaft (12) located in the mounting groove (7) is fixedly connected to the sealing plate (13) through a connecting rod. A placement block is fixedly installed at the top of the rotating shaft (12), and the placement block is connected to the mounting rod (6) through an elastic component.

3. A stamping die for producing an RF shielding cover according to claim 2, characterized in that, The elastic component includes a torsion spring (15) sleeved on the rotating shaft (12), and the two ends of the torsion spring (15) are fixedly connected to the mounting block and the mounting rod (6) respectively.

4. A stamping die for producing an RF shielding cover according to claim 1, characterized in that, The upper surface of the upper mold (5) is provided with a locking component, which is used to lock the upper mold (5).

5. A stamping die for producing an RF shielding cover according to claim 4, characterized in that, The locking assembly includes a U-shaped locking rod (16) and two symmetrically fixed mounting blocks (17) on the upper surface of the upper mold (5). The mounting blocks (17) have through holes on their surfaces, and the locking rod (16) is slidably inserted into the two through holes. The mounting base (3) has symmetrically opened locking grooves (18) on its surface for the two ends of the locking rod (16) to be inserted.

6. A stamping die for producing an RF shielding cover according to claim 5, characterized in that, A rubber ring (19) is fixedly installed inside the opening, and the surface of the locking rod (16) slides in contact with the inner ring wall of the rubber ring (19).

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