A continuous punching device for metal casing

Abstract

The present application relates to the technical field of continuous punching of metal casings, and in particular to a continuous punching device for metal casings, comprising a side feeding conveyor and a continuous punching body, wherein the side feeding conveyor is installed and connected to the left end of the continuous punching body, and a lifting and feeding mechanism is arranged at the right end corner of the continuous punching body. After each punching of the present application is completed, the residual debris cleaning mechanism can clean the surface of the metal casing punching lower die body, thereby avoiding the punching debris from remaining on the surface of the metal casing punching lower die body, effectively ensuring that the quality of the next punching product will not be affected, and each time the metal casing panel workpiece is placed for punching, the residual debris cleaning mechanism can also lubricate the upper surface of the metal casing panel workpiece, so that the metal casing punching upper die body can effectively avoid the hard filling damage of the metal casing panel workpiece when it is closed with the metal casing punching lower die body.

Description

Technical Field

[0001] The present application relates to the technical field of continuous punching of metal casings, and in particular to a continuous punching device for metal casings. Background Art

[0002] Currently, most electronic devices use a metal casing, which is used as the antenna or part of the antenna of the electronic device, thereby reducing the space occupied by the antenna, facilitating the miniaturization and ultra-thinness of the electronic device, and making it more convenient for users to carry. In order to facilitate the installation of corresponding electronic components and workpieces, the metal casing needs to be opened at the corresponding position of the metal casing. When opening the hole, the metal casing panel is placed in a punching die for punching.

[0003] Through searching, Chinese patent announcement No. CN111570604A discloses a continuous punching device for the surface of automobile sheet metal parts, including a base, a column is fixedly installed on the top of the base by bolts, and a top plate is fixedly installed on the top of the column by bolts, a lifting push rod is fixedly installed on the base by bolts, and a supporting connecting seat is fixedly installed on the output end of the lifting push rod by bolts, and a punching docking supporting seat for supporting the sheet metal workpiece is fixedly installed on the upper end of the supporting connecting seat by bolts.

[0004] With respect to the above-mentioned related technologies, the inventors believe that the following defects exist: when the above-mentioned device performs continuous punching, a certain amount of punching debris will remain during the continuous punching, and some of them will be stuck in the mold discharge hole. This cannot be effectively cleaned accordingly, and the residual debris on the surface will affect the quality of the next punching product. Summary of the invention

[0005] In order to solve the problem that the above-mentioned device cannot effectively clean up the residual debris during continuous punching, thereby affecting the quality of the next product, the present application provides a continuous punching device for a metal casing.

[0006] The present application provides a continuous punching device for a metal casing, which adopts the following technical scheme: a continuous punching device for a metal casing, comprising a side feeding conveyor and a continuous punching body, wherein the side feeding conveyor is installed and connected to the left end position of the continuous punching body, a lifting and feeding mechanism is arranged on the right end corner of the continuous punching body, a metal casing panel workpiece is arranged between the lifting and feeding mechanism and the continuous punching body, a residual debris cleaning mechanism is arranged on the left side of the upper end of the continuous punching body, a metal casing punching lower die body is arranged on the inner side of the residual debris cleaning mechanism, a metal casing punching upper die body is arranged above the metal casing punching lower die body, a punching hydraulic cylinder is arranged on the upper end of the metal casing punching upper die body, an auxiliary positioning feeding mechanism is arranged on the right side of the metal casing punching lower die body, and a movable grabbing and feeding mechanism is arranged on the continuous punching body above the auxiliary positioning feeding mechanism;

[0007] The residual debris cleaning mechanism comprises a cleaning mechanism housing and an oil box, wherein the oil box is installed and connected in an inner groove of the cleaning mechanism housing, a rotary cleaning motor is arranged on the left side of the oil box and located on the cleaning mechanism housing, a coupling is arranged on the output end of the rotary cleaning motor, a positioning shaft is arranged on the upper end of the coupling and located on the cleaning mechanism housing, and cleaning fans are arranged on both sides of the front end of the cleaning mechanism housing;

[0008] A hollow cleaning cross arm is arranged on the peripheral side of the positioning shaft rod, a gas delivery cover plate is arranged on the left end of the hollow cleaning cross arm, a gas delivery corrugated hose is arranged on the outer end of the gas delivery cover plate, the gas delivery corrugated hose is connected to the cleaning mechanism housing, a flow-uniform hole panel is arranged in the middle of the lower end of the hollow cleaning cross arm, a lubricating cotton pad is arranged on the rear side of the lower end of the hollow cleaning cross arm, the lubricating cotton pad is in contact with the oil box, and the hollow cleaning cross arm is movably connected to the cleaning mechanism housing through the positioning shaft rod;

[0009] The auxiliary positioning and feeding mechanism includes a lifting cylinder, a concave shell and a movable table. The lifting cylinder is arranged at the bottom end of the inner part of the concave shell. The upper end of the telescopic rod of the lifting cylinder is located inside the concave shell and a movable table is arranged. A resistance spring is arranged between the movable table and the concave shell.

[0010] Optionally, the continuous punching machine body includes a punching debris conveying body, a punching machine body and a debris discharge hole cavity, the front end of the punching machine body is provided with a punching debris conveying body, and a debris discharge hole cavity is opened on the punching machine body above the input end of the punching debris conveying body.

[0011] Optionally, the mobile grabbing and feeding mechanism includes a grabbing linear module, a vacuum grabbing suction cup, a slider movable panel and a lifting grabbing cylinder. The grabbing linear modules are arranged on both sides of the upper end of the slider movable panel, and the lifting grabbing cylinder is arranged on both sides of the inner side of the slider movable panel. The vacuum grabbing suction cup is arranged at the lower end of the telescopic rod of the lifting grabbing cylinder, and the vacuum grabbing suction cup is connected to the air pressure equipment inside the continuous punching machine body.

[0012] Optionally, the lifting and feeding mechanism includes a feeding lifting cylinder, a movable clamp, a movable workpiece placing plate and a feeding linear module. The lower end of the movable workpiece placing plate is installed with a feeding lifting cylinder, the inner side of the upper end of the movable workpiece placing plate is provided with a feeding linear module, the upper end of the feeding linear module is provided with a movable clamp, and the feeding lifting cylinder is connected to the continuous punching machine body.

[0013] Optionally, left and right linear modules are provided on the inner side of the upper end of the movable table, a feeding lifting cylinder is provided on the upper end of the left and right linear modules, a moving table is provided at the telescopic rod end of the feeding lifting cylinder, a resistance rubber head is provided on the inner side of the moving table, and belt conveyors are provided on both sides of the resistance rubber head on the movable table.

[0014] Optionally, the rotational cleaning length of the hollow cleaning cross arm is greater than the length of the lower die body for punching the metal casing.

[0015] Optionally, the hollow cleaning cross arm drives the lubricating cotton pad to move and contact the metal casing panel workpiece at the upper end of the metal casing punching lower die body.

[0016] In summary, this application includes the following beneficial technical effects:

[0017] By providing a residual debris cleaning mechanism structure, it can be used for corresponding cleaning. When the positioning shaft of the residual debris cleaning mechanism drives the coupling to rotate by rotating the cleaning motor, the positioning shaft can drive the hollow cleaning cross arm to rotate, and the hollow cleaning cross arm can rotate through the top of the metal casing punching lower mold body. The left end of the hollow cleaning cross arm is installed with a gas delivery cover plate by screws, and the outer end of the gas delivery cover plate is fixed with a gas delivery corrugated hose, and the gas delivery corrugated hose is connected to the cleaning mechanism housing, so that the gas delivered by the cleaning fan can be delivered to the gas delivery corrugated hose through the cleaning mechanism housing, and then delivered to the gas delivery cover plate through the gas delivery corrugated hose, and then delivered to the hollow cleaning cross arm through the gas delivery cover plate. A uniform flow hole panel is fixed in the middle of the lower end of the hollow cleaning cross arm, so that the gas can be evenly sprayed through the uniform flow hole panel, so that the punching debris on the surface of the lower mold body of the metal casing punching below can be cleaned to avoid the residue of debris, thereby effectively ensuring the product quality during the next punching.

[0018] By providing a residual debris cleaning mechanism structure, it can be rotated for lubrication. A lubricating cotton pad is installed on the rear side of the lower end of the hollow cleaning cross arm of the residual debris cleaning mechanism, and the lubricating cotton pad is in contact with the oil box. In this way, after the metal casing panel workpiece is placed, the rotating cleaning motor can drive the hollow cleaning cross arm to rotate through the coupling, so that the hollow cleaning cross arm can drive the lubricating cotton pad to contact the surface of the metal casing panel workpiece, so that the surface of the metal casing panel workpiece can be lubricated, thereby effectively avoiding damage caused by hard punching during punching, and impurities on the surface of the metal casing panel workpiece can be cleaned to avoid punching defects caused by debris. The hollow cleaning cross arm is movably connected to the cleaning mechanism shell through the positioning shaft rod, so that the hollow cleaning cross arm can be rotated, expanded and stored in the cleaning mechanism shell.

[0019] By providing an auxiliary positioning feeding mechanism structure, the transmission feeding can be assisted, and the resistance feeding can be driven during the final feeding, making the feeding more convenient and efficient.

[0020] By providing a lifting feeding mechanism structure, the height position can be changed according to the need of feeding, so that the mobile grabbing feeding mechanism is more convenient when grabbing and feeding. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the present application;

[0022] Figure 2 It is a schematic diagram of the overall internal structure of the embodiment of the present application;

[0023] Figure 3 It is a schematic diagram of the combined structure of the lifting feeding mechanism, the metal casing panel workpiece and the mobile grabbing and feeding mechanism in the embodiment of the present application;

[0024] Figure 4 It is a schematic diagram of the structure of the internal punching part in the embodiment of the present application;

[0025] Figure 5 It is a schematic diagram of the three-dimensional structure of the rear side in the embodiment of the present application;

[0026] Figure 6 It is a partial structural schematic diagram of the residual debris cleaning mechanism in the embodiment of the present application;

[0027] Figure 7 is a schematic structural diagram of a residual debris cleaning mechanism in an embodiment of the present application;

[0028] Figure 8 It is a structural schematic diagram of the auxiliary positioning and feeding mechanism in the embodiment of the present application;

[0029] Fig. 9It is a structural schematic diagram of the cross section of the auxiliary positioning and feeding mechanism in the embodiment of the present application.

[0030] Figure numerals: 1, punching hydraulic cylinder; 2, side feeding conveyor; 3, metal casing punching upper die body; 4, metal casing punching lower die body; 5, residual debris cleaning mechanism; 51, cleaning fan; 52, gas delivery corrugated hose; 53, cleaning mechanism shell; 54, hollow cleaning cross arm; 55, rotary cleaning motor; 56, gas delivery cover plate; 57, positioning shaft; 58, lubricating cotton pad; 59, flow-uniform hole panel; 50, coupling; 60, oil box; 6, continuous punching body; 61, punching debris conveying body; 62, punching body; 63, debris discharge cavity; 7. Auxiliary positioning feeding mechanism; 71. Lifting cylinder; 72. Concave shell; 73. Resistance spring; 74. Belt conveyor; 75. Movable table; 76. Left and right linear modules; 77. Moving table; 78. Resistance rubber head; 79. Feeding lifting cylinder; 8. Metal casing panel workpiece; 9. Lifting feeding mechanism; 91. Feeding lifting cylinder; 92. Movable splint; 93. Movable workpiece placement plate; 94. Feeding linear module; 10. Mobile grabbing and feeding mechanism; 101. Grabbing linear module; 102. Vacuum grabbing suction cup; 103. Slider movable panel; 104. Lifting grabbing cylinder. DETAILED DESCRIPTION

[0031] The following is combined with Figure 1-Figure 9 This application is described in further detail.

[0032] The present application discloses a continuous punching device for a metal casing. Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 6 and Figure 7As shown, a continuous punching device for a metal casing comprises a side feeding conveyor 2 and a continuous punching machine body 6. The side feeding conveyor 2 is installed and connected to the left end position of the continuous punching machine body 6, so that after the punching is completed, it is convenient for personnel to take the material and place it on the side feeding conveyor 2 so that it can be transported to the designated position accordingly. A lifting and feeding mechanism 9 is installed at the right end corner of the continuous punching machine body 6. The lifting and feeding mechanism 9 can change the overall height position as needed. A metal casing panel workpiece 8 is placed between the lifting and feeding mechanism 9 and the continuous punching machine body 6, so that the lifting and feeding mechanism 9 can change the position height of the metal casing panel workpiece 8 when the position height changes, so that it is convenient to change the height position for feeding. A residual debris cleaning mechanism 5 is installed on the upper left side of the continuous punching machine body 6. The inner side of the residual debris cleaning mechanism 5 is located on the continuous punching machine body 6 and a metal casing punching lower mold body 4 is installed. Each punching After the hole is completed, the residual debris cleaning mechanism 5 can clean the surface of the metal casing punching lower die body 4, so as to prevent the punching debris from remaining on the surface of the metal casing punching lower die body 4, effectively ensuring that the quality of the next punching product will not be affected. The metal casing punching upper die body 3 is installed above the metal casing punching lower die body 4, and the upper end of the metal casing punching upper die body 3 is located on the continuous punching body 6 and a punching hydraulic cylinder 1 is installed, so that the punching hydraulic cylinder 1 can drive the metal casing punching upper die body 3 to rise and fall, so that the metal casing punching upper die body 3 can punch when it is closed with the metal casing punching lower die body 4. An auxiliary positioning feeding mechanism 7 is installed on the right side of the metal casing punching lower die body 4, so that it can assist in the horizontal conveying and feeding. The upper part of the auxiliary positioning feeding mechanism 7 is located on the continuous punching body 6 and a mobile grabbing feeding mechanism 10 is installed, so that the corresponding grabbing material can be fed;

[0033] The residual debris cleaning mechanism 5 includes a cleaning mechanism housing 53 and an oil box 60. The oil box 60 is installed and connected in the inner groove of the cleaning mechanism housing 53. The oil box 60 can store lubricating oil. The left side of the oil box 60 is located on the cleaning mechanism housing 53 and a rotary cleaning motor 55 is installed. The output end of the rotary cleaning motor 55 is installed with a coupling 50. The upper end of the coupling 50 is located on the cleaning mechanism housing 53 and a positioning shaft 57 is installed, so that the output end of the rotary cleaning motor 55 can drive the positioning shaft 57 to rotate when rotating. Cleaning fans 51 are installed on both sides of the front end of the cleaning mechanism housing 53, so that wind can be provided for blowing.

[0034] A hollow cleaning cross arm 54 is installed on the circumferential side of the positioning shaft 57. When the positioning shaft 57 rotates through the rotary cleaning motor 55, the hollow cleaning cross arm 54 can be driven to rotate, and the hollow cleaning cross arm 54 can be rotated through the upper part of the punching die body 4 of the metal casing. A gas delivery cover plate 56 is installed on the left end of the hollow cleaning cross arm 54 by screws. A gas delivery corrugated hose 52 is fixed to the outer end of the gas delivery cover plate 56. The gas delivery corrugated hose 52 is connected to the cleaning mechanism housing 53, so that the gas delivered by the cleaning fan 51 can be delivered to the gas delivery corrugated hose 52 through the cleaning mechanism housing 53, and then delivered to the gas delivery cover plate 56 through the gas delivery corrugated hose 52, and then delivered to the hollow cleaning cross arm 54 through the gas delivery cover plate 56. A uniform flow hole panel 59 is fixed in the middle of the lower end of the hollow cleaning cross arm 54, so that the gas can pass through the uniform flow hole panel 59. The flow hole panel 59 sprays out uniform flow, so that the punching debris on the surface of the lower die body 4 of the metal casing punching below can be cleaned to avoid the residue of debris, thereby effectively ensuring the product quality during the next punching. A lubricating cotton pad 58 is installed on the rear side of the lower end of the hollow cleaning cross arm 54, and the lubricating cotton pad 58 is in contact with the oil box 60. In this way, after the metal casing panel workpiece 8 is placed, the hollow cleaning cross arm 54 can drive the lubricating cotton pad 58 to contact the surface of the metal casing panel workpiece 8, so that the surface of the metal casing panel workpiece 8 can be lubricated, thereby effectively avoiding damage caused by hard punching during punching, and impurities on the surface of the metal casing panel workpiece 8 can be cleaned to avoid punching defects caused by debris. The hollow cleaning cross arm 54 is movably connected to the cleaning mechanism housing 53 through the positioning shaft rod 57, so that the hollow cleaning cross arm 54 can be rotated, unfolded and stored in the cleaning mechanism housing 53;

[0035] The rotation cleaning length of the hollow cleaning cross arm 54 is greater than the length of the metal casing punching lower die body 4, so that the cleaning is more comprehensive and avoids omissions;

[0036] When the hollow cleaning cross arm 54 drives the lubricating cotton pad 58 to move, it contacts the metal casing panel workpiece 8 at the upper end of the metal casing punching lower die body 4, so that lubrication can be performed accordingly.

[0037] like Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 8As shown, the continuous punching machine body 6 includes a punching debris conveying body 61, a punching machine body 62 and a debris discharge hole cavity 63. The punching machine body 62 is provided with a punching debris conveying body 61 at the front end thereof. A debris discharge hole cavity 63 is provided on the punching machine body 62 above the input end of the punching debris conveying body 61, so that the punching waste falling into the lower die body 4 of the metal casing punching can fall into the debris discharge hole cavity 63, and then be transported to the punching debris conveying body 61 inside the punching machine body 62 through the debris discharge hole cavity 63, so that the waste can be collected and transported to the outside for collection.

[0038] like Figure 1-Figure 3 As shown, the mobile grabbing and feeding mechanism 10 includes a grabbing linear module 101, a vacuum grabbing suction cup 102, a slider movable panel 103 and a lifting grabbing cylinder 104. The grabbing linear modules 101 are installed on both sides of the upper end of the slider movable panel 103, so that the grabbing linear module 101 can drive the slider movable panel 103 to move forward and backward, so that the overall grabbing and discharging position can be changed. The lifting grabbing cylinder 104 is installed on both sides of the inside of the slider movable panel 103. The vacuum grabbing suction cup 102 is installed at the lower end of the telescopic rod of the lifting grabbing cylinder 104, so that the telescopic rod of the lifting grabbing cylinder 104 can change the grabbing position of the vacuum grabbing suction cup 102 when it is extended and retracted. The vacuum grabbing suction cup 102 is connected to the internal air pressure equipment of the continuous punching body 6, so that the vacuum grabbing suction cup 102 can generate suction due to the internal air pressure equipment of the continuous punching body 6, so that it can adsorb the metal casing panel workpiece 8 for grabbing.

[0039] like Figure 1 , Figure 2 , Figure 8 and Fig. 9 As shown, the lifting feeding mechanism 9 includes a feeding lifting cylinder 91, a movable clamping plate 92, a movable workpiece placing plate 93 and a feeding linear module 94. The lower end of the movable workpiece placing plate 93 is installed with the feeding lifting cylinder 91. The height position of the movable workpiece placing plate 93 can be changed by the extension and retraction of the feeding lifting cylinder 91, thereby effectively changing the overall feeding height. The inner side of the upper end of the movable workpiece placing plate 93 is installed with a feeding linear module 94. The upper end of the feeding linear module 94 is installed with a movable clamping plate 92. The feeding linear module 94 can change the position of the movable clamping plate 92, so that the movable clamping plate 92 can clamp and block the metal casing panel workpiece 8 accordingly, so that the metal casing panel workpiece 8 can be neatly placed. The feeding lifting cylinder 91 is connected to the continuous punching machine body 6, so that it can be installed and placed accordingly;

[0040] The auxiliary positioning and feeding mechanism 7 includes a lifting and lifting cylinder 71, a concave shell 72 and a movable platform 75. The lifting and lifting cylinder 71 is installed at the bottom end of the inner part of the concave shell 72. The upper end of the telescopic rod of the lifting and lifting cylinder 71 is located inside the concave shell 72 and the movable platform 75 is installed. When the telescopic rod of the lifting and lifting cylinder 71 is extended and retracted, the position of the movable platform 75 can be changed. A resisting spring 73 is installed between the movable platform 75 and the concave shell 72, so that it can be elastically pulled for use.

[0041] Left and right linear modules 76 are installed in the inner groove of the upper end of the movable table 75, and a feeding lifting cylinder 79 is installed on the upper end of the left and right linear modules 76, so that the left and right linear modules 76 can change the position of the feeding lifting cylinder 79, so that the position can be changed for transportation, and a movable table 77 is installed at the telescopic rod end of the feeding lifting cylinder 79, and a resistance rubber head 78 is installed on the inner side of the movable table 77. The telescopic rod of the feeding lifting cylinder 79 can drive the resistance rubber head 78 to rise and fall when it is extended and retracted, and the resistance rubber head 78 contacts with the metal casing panel workpiece 8 when it is lifted, so that it can be conveyed by resistance during movement, and belt conveyors 74 are installed on both sides of the movable table 75, so that the belt conveyor 74 can drive the metal casing panel workpiece 8 for corresponding transportation.

[0042] The implementation principle of a continuous punching device for a metal casing in an embodiment of the present application is as follows: when in use, the punching personnel places the metal casing panel workpiece 8 on the lifting and feeding mechanism 9. When continuously feeding and continuously punching, the lifting and feeding mechanism 9 can change the overall height position as needed, and the mobile grabbing and feeding mechanism 10 can correspondingly grab the metal casing panel workpiece 8 and place it on the auxiliary positioning and feeding mechanism 7, and then the auxiliary positioning and feeding mechanism 7 can horizontally assist in conveying the feeding material so that it can be placed on the metal casing punching lower die body 4. The upper end of the metal casing punching upper die body 3 is located on the continuous punching body 6, and a punching hydraulic cylinder 1 is installed, so that the punching hydraulic cylinder 1 can drive the metal casing punching upper die body 3 to rise and fall, so that the metal casing punching upper die body 3 can be punched when it is closed with the metal casing punching lower die body 4, and the punching waste passes through the metal casing punching lower die body 4 and falls into The debris is discharged into the debris discharge cavity 63 of the continuous punching body 6, and then falls into the punching debris conveying body 61 and is discharged to the outside for collection and processing. After punching, the personnel take the punched metal case panel workpiece 8, and then place the punched metal case panel workpiece 8 on the side feeding conveyor 2 so that it can be transported to the designated position. After each punching is completed, the residual debris cleaning mechanism 5 can clean the surface of the metal case punching lower mold body 4, so as to avoid the punching debris remaining on the surface of the metal case punching lower mold body 4, effectively ensuring that the quality of the next punching product will not be affected, and each time the metal case panel workpiece 8 is placed for punching, the residual debris cleaning mechanism 5 can also lubricate the upper surface of the metal case panel workpiece 8, so that the metal case punching upper mold body 3 can effectively avoid the hard punching damage of the metal case panel workpiece 8 when it is closed with the metal case punching lower mold body 4.

[0043] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A continuous punching device for a metal casing, comprising a side feeding conveyor (2) and a continuous punching machine body (6), wherein the side feeding conveyor (2) is installed and connected to the left end of the continuous punching machine body (6), characterized in that: A lifting and feeding mechanism (9) is arranged at the right end corner of the continuous punching machine body (6), a metal casing panel workpiece (8) is arranged between the lifting and feeding mechanism (9) and the continuous punching machine body (6), a residual debris cleaning mechanism (5) is arranged on the left side of the upper end of the continuous punching machine body (6), the inner side of the residual debris cleaning mechanism (5) is located on the continuous punching machine body (6) and a metal casing punching lower die body (4) is arranged, a metal casing punching upper die body (3) is arranged above the metal casing punching lower die body (4), a punching hydraulic cylinder (1) is arranged at the upper end of the metal casing punching upper die body (3) on the continuous punching machine body (6), an auxiliary positioning and feeding mechanism (7) is arranged on the right side of the metal casing punching lower die body (4), and a movable grabbing and feeding mechanism (10) is arranged on the continuous punching machine body (6) above the auxiliary positioning and feeding mechanism (7); The residual debris cleaning mechanism (5) comprises a cleaning mechanism housing (53) and an oil box (60), wherein the oil box (60) is mounted and connected to an inner groove of the cleaning mechanism housing (53), a rotary cleaning motor (55) is arranged on the left side of the oil box (60) and located on the cleaning mechanism housing (53), a coupling (50) is arranged at the output end of the rotary cleaning motor (55), a positioning shaft (57) is arranged on the upper end of the coupling (50) and located on the cleaning mechanism housing (53), and cleaning fans (51) are arranged on both sides of the front end of the cleaning mechanism housing (53); A hollow cleaning cross arm (54) is arranged on the peripheral side of the positioning shaft (57); a gas delivery cover plate (56) is arranged on the left end of the hollow cleaning cross arm (54); a gas delivery corrugated hose (52) is arranged on the outer end of the gas delivery cover plate (56); the gas delivery corrugated hose (52) is connected to the cleaning mechanism housing (53); a flow-uniforming hole panel (59) is arranged in the middle of the lower end of the hollow cleaning cross arm (54); a lubricating cotton pad (58) is arranged on the rear side of the lower end of the hollow cleaning cross arm (54); the lubricating cotton pad (58) is in contact with the oil box (60); and the hollow cleaning cross arm (54) is movably connected to the cleaning mechanism housing (53) via the positioning shaft (57); The auxiliary positioning and feeding mechanism (7) comprises a lifting cylinder (71), a concave shell (72) and a movable table (75); the lifting cylinder (71) is arranged at the bottom end of the inner part of the concave shell (72); the upper end of the telescopic rod of the lifting cylinder (71) is located inside the concave shell (72); a movable table (75) is arranged inside the concave shell (72); and a resisting spring (73) is arranged between the movable table (75) and the concave shell (72).

2. A continuous punching device for a metal casing according to claim 1, characterized in that: The continuous punching machine body (6) comprises a punching debris conveying body (61), a punching machine body (62) and a debris discharge cavity (63); the punching debris conveying body (61) is arranged at the front end of the punching machine body (62); and a debris discharge cavity (63) is provided on the punching machine body (62) above the input end of the punching debris conveying body (61).

3. The continuous punching device for a metal casing according to claim 1, characterized in that: The mobile grabbing and feeding mechanism (10) comprises a grabbing linear module (101), a vacuum grabbing suction cup (102), a slider movable panel (103) and a lifting grabbing cylinder (104); the grabbing linear module (101) is arranged on both sides of the upper end of the slider movable panel (103); the lifting grabbing cylinder (104) is arranged on both sides of the interior of the slider movable panel (103); the vacuum grabbing suction cup (102) is arranged at the lower end of the telescopic rod of the lifting grabbing cylinder (104); and the vacuum grabbing suction cup (102) is connected to the internal air pressure equipment of the continuous punching machine body (6).

4. The continuous punching device for a metal casing according to claim 1, characterized in that: The lifting feeding mechanism (9) comprises a feeding lifting cylinder (91), a movable clamping plate (92), a movable workpiece placement plate (93) and a feeding linear module (94); the feeding lifting cylinder (91) is installed at the lower end of the movable workpiece placement plate (93); the feeding linear module (94) is arranged on the inner side of the upper end of the movable workpiece placement plate (93); the upper end of the feeding linear module (94) is arranged with a movable clamping plate (92); and the feeding lifting cylinder (91) is connected to the continuous punching machine body (6).

5. The continuous punching device for a metal casing according to claim 1, characterized in that: A left and right linear module (76) is arranged on the inner side of the upper end of the movable table (75), a feeding lifting cylinder (79) is arranged on the upper end of the left and right linear module (76), a movable table (77) is arranged at the end of the telescopic rod of the feeding lifting cylinder (79), a resisting rubber head (78) is arranged on the inner side of the movable table (77), and belt conveyors (74) are arranged on both sides of the resisting rubber head (78) on the movable table (75).

6. The continuous punching device for a metal casing according to claim 1, characterized in that: The rotational cleaning length of the hollow cleaning cross arm (54) is greater than the length of the lower die body (4) for punching holes in the metal casing.

7. The continuous punching device for a metal casing according to claim 1, characterized in that: The hollow cleaning cross arm (54) drives the lubricating cotton pad (58) to move so as to contact the metal casing panel workpiece (8) at the upper end of the metal casing punching lower die body (4).

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