Stamping device for electromagnetic wave shielding cover

Abstract

The utility model discloses an electromagnetic wave shielding cover stamping device which comprises a stamping rack, a rotary stamping table is installed in the middle of the top face of the stamping rack through a bearing, a plurality of stamping die cavities are formed in the rotary stamping table around the center, a supporting frame is installed on the top of the stamping rack, and a downward stamping cylinder is installed on the supporting frame. A stamping die head corresponding to one stamping die cavity is mounted at the bottom end of the stamping cylinder; a rotary driving mechanism for driving the rotary stamping table to rotate is mounted at the bottom of the stamping rack; the rotary stamping table circularly and intermittently rotates to realize continuous stamping of the to-be-machined workpiece, and due to the fact that the placing and taking station and the stamping station are separated, other workpieces can be placed and taken while machining is performed, the placing and taking interval time is shortened, and the machining efficiency is high; the placing and taking station is separated from the stamping station, workpieces are prevented from being placed and taken down on a stamping head, and safety is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of electromagnetic wave shielding cover, specifically relates to an electromagnetic wave shielding cover stamping device. BACKGROUND

[0002] The electromagnetic wave shielding cover is a device for shielding the internal circuit of electronic equipment from external electromagnetic waves, and preventing internal electromagnetic waves from radiating outward. Its main function is to protect the normal operation and performance stability of electronic equipment. The electromagnetic wave shielding cover is generally made of aluminum, copper, steel and other metal materials. Metal materials have good conductivity and shielding performance, and can effectively absorb and reflect electromagnetic radiation.

[0003] When processing, the shielding cover to be stamped needs to be placed in the mold for stamping forming. Considering that the workpiece needs to be frequently placed and taken in the mold during batch processing, the placing and taking time interval is long during single-station processing, and the stamping efficiency is low. The Chinese patent document with the authorization announcement number CN222306998U discloses a cold stamping forming aluminum stamping equipment. The forming seat one is pushed by the hydraulic cylinder, which facilitates the bottom forming of the aluminum material. After the threaded column in the side table rotates, the moving part drives the forming seat two to the lower part of the stamping part. The forming seat two is pushed upward, so that the forming seat one and the forming seat two are alternately and quickly cold-stamped and formed.

[0004] However, the above technical solution has the following defects: 1. The forming seat one and the forming seat two need to place and take the workpiece at two stations. When the forming seat one places and takes the workpiece, the forming seat two needs to avoid interference, which is very inconvenient and the processing efficiency is still not high. 2. The workpiece in the forming seat one needs to be placed and taken under the stamping head, which is low in safety. UTILITY MODEL CONTENTS

[0005] The utility model provides a kind of electromagnetic wave shielding cover stamping device, rotating stamping platform is cyclic intermittent rotation, the continuous stamping of piece to be processed is realized, since placing station, stamping station is separated, so it can be placed and taken other workpiece while processing, reduce interval time of placing, processing efficiency is high;Placing station and stamping station are separated, avoid workpiece to be placed and taken under the stamping head, high in safety, to solve the problems raised in the above background technique.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of electromagnetic wave shielding cover stamping device, including stamping frame, the top surface middle part of the stamping frame is equipped with rotating stamping platform by bearing, a plurality of stamping die cavities are arranged around the center on the rotating stamping platform, the top of the stamping frame is equipped with support frame, the support frame is equipped with downward stamping cylinder, the bottom end of the stamping cylinder is equipped with the stamping die head corresponding to one stamping die cavity, the bottom of the stamping frame is equipped with rotating drive mechanism for driving the rotation of the rotating stamping platform.

[0007] Preferably, the rotating driving mechanism comprises a shaft tube located below the rotating stamping table, a gear is arranged at the bottom end of the shaft tube, a supporting plate is arranged at the bottom end of the stamping frame, a power motor is fixed on the supporting plate, and a driving gear engaged with the gear is fixed on the output shaft of the power motor.

[0008] Preferably, a first ball seat is arranged on the top surface of the gear, and a rotatable ball is arranged at the top end of the first ball seat and abuts against the bottom surface of the stamping frame.

[0009] Preferably, the gear is detachable on the shaft tube and is fixedly connected through screws.

[0010] Preferably, a gap is arranged between the bottom surface of the rotating stamping table and the stamping frame, a plurality of second ball seats are arranged around the shaft tube on the top surface of the stamping frame, and second balls are arranged on the top surface of the second ball seats and abut against the bottom surface of the rotating stamping table.

[0011] Preferably, a plurality of uniformly spaced heat dissipation columns are arranged around the center on the bottom surface of the rotating stamping table, and the heat dissipation columns partially extend into the rotating stamping table.

[0012] Preferably, a fan is arranged below the shaft tube on the stamping frame, and a plurality of through holes are arranged at the top end of the shaft tube.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The rotating stamping table rotates in cycles and intermittently, realizes continuous stamping of workpieces to be processed, the placing and taking station and the stamping station are separated, so that the placing and taking of other workpieces can be completed while the workpieces are processed, the interval time of placing and taking is reduced, and the processing efficiency is high.

[0015] 2. The placing and taking station and the stamping station are separated, so that the workpieces are not placed and taken under the stamping head, and the safety is high.

[0016] 3. During the stamping process, the fan is started, air in the shaft tube is driven to flow, the bottom surface of the rotating stamping table is driven to flow through the through holes, air flows in four directions to rapidly cool the heat dissipation columns, and the heat dissipation columns extend to the rotating stamping table at the other end, so that the rotating stamping table is rapidly cooled. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a front view of the sectional structure of the utility model;

[0018] Fig. 2 It is a top view of the rotating stamping table and the stamping die cavity of the utility model;

[0019] Fig. 3 It is the bottom structure schematic diagram of the rotating stamping table of the utility model.

[0020] In the figure: 1, stamping frame; 2, rotating stamping table; 3, stamping die cavity; 4, support frame; 5, stamping cylinder; 6, stamping die head; 7, shaft tube; 8, gear; 9, support plate; 10, power motor; 11, driving gear; 12, first ball seat; 13, ball; 14, screw; 15, second ball seat; 16, second ball; 17, heat dissipation column; 18, fan; 19, through hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be apparently and completely described 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 protection scope of the utility model.

[0022] Please refer to Figs. 1-3 The utility model provides a kind of electromagnetic wave shielding cover stamping device, including stamping frame 1, rotating stamping table 2 is equipped in the top surface middle part of the stamping frame 1 by bearing, multiple stamping die cavities 3 are equipped around center on the rotating stamping table 2, support frame 4 is installed on the top of the stamping frame 1, downward stamping cylinder 5 is equipped in the support frame 4, the bottom end of the stamping cylinder 5 is equipped with the stamping die head 6 corresponding to one described stamping die cavity 3, the bottom of the stamping frame 1 is equipped with rotating drive mechanism for driving the rotation of the rotating stamping table 2;When using, the workpiece to be stamped is discharged from the right stamping die cavity 3 of rotating stamping table 2 top, then rotating drive mechanism drives rotating stamping table 2 to rotate a station, then continue to discharge in the rightmost stamping die cavity 3, when the workpiece in the stamping die cavity 3 on rotating stamping table 2 moves to the rightmost end set station, stamping cylinder 5 drives stamping die head 6 to descend and cooperate the stamping die cavity 3 below to carry out the stamping forming of shielding cover, then stamping cylinder 5 drives stamping die head 6 to rise and reset, rotating drive mechanism continues to drive rotating stamping table 2 to rotate a station, and the workpiece is discharged in front stamping die cavity 3, during the rotation interval of rotating stamping table 2, the continuous stamping of the workpiece to be processed is realized, since the discharge station and stamping station are separated, other workpieces can be discharged and taken while processing, reduce the interval time of discharge and take, and the processing efficiency is high;Meanwhile, the discharge station and stamping station are separated, avoid the discharge and taking of workpiece under stamping head, and the safety is high.

[0023] Specifically, the rotating drive mechanism comprises a shaft tube 7 located below the rotating punching table 2, the bottom end of the shaft tube 7 is provided with a gear 8, the bottom end of the punching frame 1 is provided with a supporting plate 9, the supporting plate 9 is fixed with a power motor 10, the output shaft of the power motor 10 is fixed with a driving gear 11 engaged with the gear 8; in the embodiment, the power motor 10 drives the driving gear 11 to rotate, and then drives the shaft tube 7 to rotate through the gear 8, and further drives the rotating punching table 2 to rotate, so that the workpiece is driven to different stations.

[0024] Specifically, the top surface of the gear 8 is provided with a first ball seat 12, the top end of the first ball seat 12 is provided with a rotatable ball 13, and the top end of the ball 13 abuts against the bottom surface of the punching frame 1; in the embodiment, the upward movement of the rotating punching table 2 is blocked by the ball 13 abutting against the bottom surface of the punching frame 1, so that the stability is higher, and the rolling of the ball 13 can reduce friction.

[0025] Specifically, the gear 8 is detachable on the shaft tube 7 and is fixedly connected through a screw 14; in the embodiment, the gear 8 is conveniently mounted and dismounted on the shaft tube 7 through the detachable screw 14, and the detachable gear 8 is beneficial to the installation of the rotating punching table 2.

[0026] Specifically, there is a gap between the bottom surface of the rotating punching table 2 and the punching frame 1, a plurality of second ball seats 15 are arranged on the top surface of the punching frame 1 around the shaft tube 7, and the top surface of the second ball seat 15 is provided with a second ball 16 abutting against the bottom surface of the rotating punching table 2; in the embodiment, the rotating punching table 2 is stably supported during punching through the support of the plurality of second balls 16, and the second balls 16 reduce friction during the rotation of the rotating punching table 2.

[0027] Specifically, a plurality of uniformly spaced heat dissipation columns 17 are arranged around the center of the bottom surface of the rotating punching table 2, and the heat dissipation columns 17 partially extend into the rotating punching table 2; in the embodiment, the four-way air flow gives the heat dissipation columns 17 rapid cooling, and the other end of the heat dissipation columns 17 extends to the rotating punching table 2, giving the rotating punching table 2 rapid cooling.

[0028] Specifically, a fan 18 is arranged below the shaft tube 7 on the punching frame 1, and a plurality of through holes 19 are arranged on the top end of the shaft tube 7; in the embodiment, during the punching process, the fan 18 is started to drive the air flow in the shaft tube 7, and then drives the air flow on the bottom surface of the rotating punching table 2 through the through holes 19.

[0029] In order to facilitate the understanding of the above technical scheme of the utility model, the working principle or operation mode of the utility model in the actual process will be described in detail.

[0030] Working principle: when using, the workpiece to be punched is placed in the rightmost punching die cavity 3 on the top of the rotating punching table 2, then the power motor 10 drives the driving gear 11 to rotate, and further drives the shaft pipe 7 to rotate through the gear 8, and further drives the rotating punching table 2 to rotate one station, then continues to place the workpiece in the rightmost punching die cavity 3, when the workpiece in the rotating punching table 2 moves to the rightmost set station, the punching cylinder 5 drives the punching die head 6 to descend to cooperate with the lower punching die cavity 3 to form the punching of the cover, then the punching cylinder 5 drives the punching die head 6 to rise and reset, the power motor 10 continues to drive the rotating punching table 2 to rotate one station, and the workpiece is placed in the front punching die cavity 3, during which the rotating punching table 2 rotates cyclically and interval, realizing the continuous punching of the workpiece to be processed, since the placing station and the punching station are separated, the other workpieces can be placed while being processed, the placing interval time is reduced, and the processing efficiency is high; meanwhile, the placing station and the punching station are separated, the workpiece is not placed under the punching head, and the safety is high; and during the punching process, the fan 18 is started to drive the air flow in the shaft pipe 7, and further drives the air flow on the bottom surface of the rotating punching table 2 through the through hole 19, the four-way air flow gives the heat dissipation column 17 to quickly cool down, and meanwhile the other end of the heat dissipation column 17 extends to the rotating punching table 2 to give the rotating punching table 2 to quickly cool down.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An electromagnetic wave shielding cover punching device comprising a punching machine frame (1), characterized in that, The top middle of the punching frame (1) is equipped with a rotating punching table (2) through a bearing, a plurality of punching die cavities (3) are arranged around the center of the rotating punching table (2), a support frame (4) is arranged on the top of the punching frame (1), the support frame (4) is equipped with a downward punching cylinder (5), the bottom end of the punching cylinder (5) is equipped with a punching die head (6) corresponding to one of the punching die cavities (3), and the bottom of the punching frame (1) is equipped with a rotating driving mechanism for driving the rotating punching table (2) to rotate.

2. The electromagnetic wave shielding cover punching device according to claim 1, wherein The rotating driving mechanism comprises a shaft pipe (7) located below the rotating punching table (2), a gear (8) is arranged at the outer edge of the bottom end of the shaft pipe (7), a support plate (9) is arranged at the bottom end of the punching frame (1), a power motor (10) is fixed on the support plate (9), and a driving gear (11) engaged with the gear (8) is fixed on the output shaft of the power motor (10).

3. The electromagnetic wave shielding cover punching device according to claim 2, wherein A first ball seat (12) is arranged on the top surface of the gear (8), a rotatable ball (13) is arranged at the top end of the first ball seat (12), and the top end of the ball (13) abuts against the bottom surface of the punching frame (1).

4. The electromagnetic wave shielding cover punching device according to claim 3, wherein The gear (8) is detachable on the shaft pipe (7) and is fixedly connected through a screw (14).

5. The electromagnetic wave shielding cover punching device according to claim 2, wherein There is a gap between the bottom surface of the rotating punching table (2) and the punching frame (1), a plurality of second ball seats (15) are arranged around the shaft pipe (7) on the top surface of the punching frame (1), and second balls (16) abutting against the bottom surface of the rotating punching table (2) are arranged on the top surface of the second ball seats (15).

6. The electromagnetic wave shielding cover punching device according to claim 5, wherein A plurality of uniformly spaced heat dissipation columns (17) are arranged around the center of the bottom surface of the rotating punching table (2), and the heat dissipation columns (17) partially extend into the rotating punching table (2).

7. The electromagnetic wave shielding cover punching device according to claim 6, wherein A fan (18) is arranged below the shaft pipe (7) on the punching frame (1), and a plurality of through holes (19) are arranged at the top end of the shaft pipe (7).

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