CN112658072A - Bending mechanism of metal plate for electromagnetic shielding - Google Patents
Bending mechanism of metal plate for electromagnetic shielding Download PDFInfo
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- CN112658072A CN112658072A CN202011408090.XA CN202011408090A CN112658072A CN 112658072 A CN112658072 A CN 112658072A CN 202011408090 A CN202011408090 A CN 202011408090A CN 112658072 A CN112658072 A CN 112658072A
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Abstract
The invention discloses a metal plate bending mechanism for electromagnetic shielding, which belongs to the field of metal plate machining and comprises a bending table, wherein the bending table is independently and fixedly installed, feet are arranged at four corners of the bottom surface of the bending table and are uniformly arranged on the bottom surface of the bending table, bending assemblies are arranged on two sides of the bending table and comprise locking plate strips, the locking plate strips are fixedly installed, two bending strip blocks are installed above the locking plate strips, and vertical square rods are arranged on two sides of the top ends of the locking plate strips. The bending mechanism realizes automatic bending operation of the metal plate.
Description
Technical Field
The invention relates to the field of sheet metal machining, in particular to a sheet metal bending mechanism for electromagnetic shielding.
Background
The metal plate has the characteristics of light weight, high strength, conductivity (capable of being used for electromagnetic shielding), low cost, good large-scale mass production performance and the like, and is widely applied to the fields of electronic appliances, communication, automobile industry, medical appliances and the like, for example, in computer cases, mobile phones and MP3, the metal plate is an essential component. With the wider and wider application of the sheet metal, the design of the sheet metal part becomes an important part in the product development process. For example, the bending of the electromagnetic shielding sheet metal is a process which is necessary in the processing process, and therefore, it is necessary to provide a bending mechanism for the electromagnetic shielding sheet metal.
Disclosure of Invention
The invention aims to provide a bending mechanism of a sheet metal for electromagnetic shielding aiming at the defects of the prior art, when the device is used, a sheet metal plate to be processed is placed between the fixed roller and the movable roller, then the sheet metal plate is pushed forward when the feeding motor drives the fixed roller to rotate, the movable roller applies pressure downwards through the gravity ball, then the sheet metal plate is conveyed to the bending table, burrs and flashes at the edge of the sheet metal plate are flattened, then elevator motor drives the toothed disc rotation, and the pressure plate of world way toothed disc one side is vertical down, then two output shrinkages of double-end cylinder, and frame shape pressfitting frame and pressure plate can exert pressure downwards, press at the edge of panel beating until the pressure plate, and the cam is when rotatory, and two jack-up pieces can be upwards extruded, and the strip piece of bending at this moment so can be upwards extruded by taking turns, has realized the function of automatic bending.
In order to solve the above problems, the present invention provides the following technical solutions: a bending mechanism of a metal plate for electromagnetic shielding comprises a bending table, wherein the bending table is independently and fixedly installed, four corners of the bottom surface of the bending table are provided with ground feet, two opposite sides of the bending table are provided with bending assemblies, each bending assembly comprises a locking plate strip, the locking plate strips are fixedly installed, a bending strip block is arranged above each locking plate strip, two opposite ends of each locking plate strip are provided with vertical square rods, two ends of each bending strip block are provided with square sleeves matched with the corresponding vertical square rods, the vertical square rods are inserted into the inner sides of the corresponding square sleeves and are in sliding connection with the square sleeves, the outer side of each vertical square rod is sleeved with a spring, the bottom end of each spring is connected with the top surface of each locking plate strip, the top end of each spring is connected with the bottom surface of each bending strip block, the bottom ends of the two locking plate strips are provided with a strip-shaped bottom plate together, the opposite ends of the bottom surface of the strip-shaped bottom plate are respectively provided with a hydraulic short pipe, the two hydraulic short pipes respectively correspond to the two locking laths, the inner side of each hydraulic short pipe is inserted with an extrusion rod, the peripheral surface of the extrusion rod is attached to the inner wall of the hydraulic short pipe, the bottom end of the extrusion rod is provided with an extrusion plate, the top end of each locking lath is provided with a hydraulic end, the inner side of the hydraulic end is provided with a jacking block, the lower part of the jacking block is attached to the inner wall of the hydraulic end, the jacking block is connected with the bottom surface of the bending lath, the strip-shaped bottom plate is connected with the locking laths through an infusion hard pipe in an inserting way, the two ends of the infusion hard pipe are respectively communicated with the hydraulic end and the hydraulic short pipes, the bottom end of the strip-shaped bottom plate is provided with a locking shaft seat, one side of, and a bending motor is arranged on the other side of the locking shaft seat, and the output end of the bending motor penetrates through the locking shaft seat to be connected with the connecting column.
In one embodiment, a frame-shaped pressing frame is installed above the bending table, vertical grooves are formed in two sides of the frame-shaped pressing frame, a sliding block is inserted into the inner side of each vertical groove and is connected with the vertical grooves in a sliding mode, an L-shaped pressing arm is arranged on one side of the sliding block and extends oppositely, a gear disc is installed at the end portion of each L-shaped pressing arm and is rotatably connected with the L-shaped pressing arm, two racks are installed on the inner side wall of the frame-shaped pressing frame and are arranged oppositely and are adjacent to the two vertical grooves respectively, each rack is meshed with the corresponding gear disc, a lifting motor is fixedly installed on the side wall of each L-shaped pressing arm, and the output end of each lifting motor penetrates through the L-shaped pressing arm to be connected with the gear disc.
In one of them embodiment, one side fixed mounting that every toothed disc deviates from vertical groove has the upset arm, the equal fixed mounting of the one end in opposite directions of two upset arms has the articulated piece of activity, and the pressure plate is installed to one side of the articulated piece of activity, the middle part of pressure plate articulates on the articulated piece of activity, the relative both ends of pressure plate and the relative both sides wall of upset arm all are provided with the pull ring, be connected through reset spring between the pull ring of pressure plate tip and the pull ring of upset arm lateral wall, every reset spring's both ends all be provided with pull ring assorted couple, the upset arm, two liang of mutually perpendicular of vertical groove and pressure plate, two pressure plates are parallel to each other the.
In one embodiment, a ceiling plate is arranged above the frame-shaped press-fit frame, the ceiling plate is fixedly installed relative to the ground, round sleeves are arranged at two ends of the ceiling plate, two vertical rods matched with the round sleeves are fixedly arranged at the top end of the frame-shaped press-fit frame, and the two vertical rods are respectively inserted into the two round sleeves in a sliding mode.
In one of them embodiment, the bottom surface of furred ceiling board and the top surface of frame shape pressfitting frame all fixed mounting have two articulated blocks, every articulated block and the articulated block that corresponds on the frame shape pressfitting frame of furred ceiling board form a set of articulated block, install long arm and short arm on two articulated blocks of every articulated block of group respectively, the one end that long arm and short arm are adjacent articulates each other, be provided with double-end cylinder between furred ceiling board and the frame shape pressfitting frame, the output pole of buckling is installed to two output ends of double-end cylinder, the end of every output pole of buckling injects in the pin joint of long arm and short arm.
In one of them embodiment, one side of platform of bending is provided with the feeding subassembly, the feeding subassembly includes two stands, install fixed roll and activity roller between two stands, the activity roller is in the upside of fixed roll, the both ends of fixed roll/activity roller are provided with the round bar that alternates respectively at two stand inboards, the round bar at activity roller both ends respectively with two stand sliding connection, the round bar at fixed roll both ends rotates with two stands respectively to be connected, and one side of every stand is provided with the wire casing, the round bar at activity roller both ends all outwards convexly is equipped with the pressure round bar, the pressure round bar passes from the wire casing, and the end of pressure round bar installs the gravity ball, fixed mounting has the feeding motor on the lateral wall of one of them stand, the output of feeding motor passes the stand, in order to be connected with the fixed roll.
In one of them embodiment, the one side that the feeding subassembly was kept away from to the platform of bending is provided with the unloading platform, the independent fixed mounting of unloading platform, the below of unloading platform is provided with the unloading subassembly, the unloading subassembly includes two hoist and mount guide rails, hoist and mount guide rail fixed mounting, the cover is equipped with the hoist and mount slider on every hoist and mount guide rail, hoist and mount slider and hoist guide rail sliding connection, through objective table fixed connection between two hoist and mount sliders, one side fixed mounting of every hoist and mount slider has the L shape board of bending, one side fixed mounting of the L shape board of bending has the pressfitting cylinder, the block rubber is installed to the output of pressfitting cylinder, the output pole of pressfitting cylinder passes the L shape board of bending, be provided with on the L shape board of bending with pressfitting cylinder output pole assorted trompil, two block rubber strip are located the relative both.
In one embodiment, a screw rod is arranged between the two hoisting guide rails, a nut block matched with the hoisting guide rails is arranged at the bottom end of the objective table, the screw rod is installed at the output end of the servo motor, and the servo motor is fixedly installed.
The invention has the beneficial effects that:
one of them, the device is when using, put pending sheet metal board between fixed roller and the activity roller, then when the feeding motor drives the fixed roller rotation, the panel beating is impeld forward, activity roller at this moment is through gravity ball downward exerting pressure, then the sheet metal board is sent to the bench of bending afterwards, burr and the overlap at panel beating edge have also just also been flattened, then elevator motor drives the toothed disc rotation, make the pressure plate of toothed disc one side vertical down, then two output contractions of double-end cylinder, frame shape pressfitting frame and pressure plate can exert pressure downwards, until the pressure plate presses at the edge of panel beating, the cam is when rotatory, two jack-up pieces can be upwards extruded, bending strip piece at this moment then can upwards be extruded in turn, the function of automatic bending has been realized, and bend the relative both sides to the panel beating.
And secondly, after the metal plate is bent, the servo motor drives the objective table to move through the lead screw, the objective table at the moment slides on the hoisting guide rail through the hoisting sliding block, when the press-fit cylinder reaches the edge of the metal plate, the rubber block at the output end of the press-fit cylinder stretches out to clamp the metal plate, then the metal plate can be conveyed to the blanking table along with the objective table, the automatic blanking function is realized, the manpower is saved, and the automatic bending operation of the metal plate is realized.
Drawings
Fig. 1 is a schematic front view of a bending mechanism of a metal plate for electromagnetic shielding.
Fig. 2 is a schematic side view of a bending mechanism of a metal plate for electromagnetic shielding.
Fig. 3 is a schematic sectional view of a bending mechanism of a metal plate for electromagnetic shielding.
Fig. 4 is a schematic diagram of a feeding assembly of a bending mechanism of a metal plate for electromagnetic shielding.
Fig. 5 is a schematic view of a ceiling plate of a bending mechanism of a metal plate for electromagnetic shielding.
Fig. 6 is a schematic view of a frame-shaped press frame of a bending mechanism of a metal plate for electromagnetic shielding.
Fig. 7 is a schematic diagram of a bending assembly of a bending mechanism of a metal plate for electromagnetic shielding.
Fig. 8 is a schematic diagram of a blanking assembly of a bending mechanism of a metal plate for electromagnetic shielding.
Description of reference numerals:
1-bending table, 101-ground foot, 2-bending assembly, 201-locking lath, 202-bending bar block, 203-vertical square rod, 204-spring, 205-square sleeve, 206-hydraulic end, 207-jacking block, 208-infusion hard tube, 209-bar bottom plate, 210-hydraulic short tube, 211-extrusion rod, 212-cam, 213-extrusion plate, 214-locking shaft seat, 215-bending motor, 216-connecting column, 3-feeding assembly, 301-upright column, 302-fixed roller, 303-movable roller, 304-feeding motor, 305-wire groove, 306-pressure round rod, 307-gravity ball, 4-ceiling plate, 401-round sleeve, 402-hinging block, 403-long arm, 404-short arm, 405-double-head air cylinder, 406-bending output rod, 5-frame-shaped pressing frame, 501-vertical rod, 502-sliding block, 503-L-shaped pressing arm, 504-gear disc, 505-rack, 506-lifting motor, 507-turnover arm, 508-movable hinging block, 509-pressure plate, 510-reset spring, 511-pull ring, 512-vertical groove, 6-blanking table, 7-blanking assembly, 701-hoisting guide rail, 702-hoisting slide block, 703-objective table, 704-L-shaped bending plate, 705-pressing air cylinder, 706-servo motor, 707-screw rod and 708-rubber block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1 to 8, the bending mechanism for a sheet metal for electromagnetic shielding includes a bending table 1, and the bending table 1 is independently and fixedly installed, for example, fixed to the ground. And four corners of the bottom surface of the bending table 1 are provided with feet 101, two opposite sides of the bending table 1 are provided with bending assemblies 2, each bending assembly 2 comprises a locking strip 201, and the locking strips 201 are fixedly mounted, for example, fixedly mounted relative to the ground. A bending bar block 202 is arranged above the locking batten 201, vertical square rods 203 are arranged at two opposite ends of the locking batten 201, square sleeves 205 matched with the corresponding vertical square rods 203 are arranged at two ends of the bending bar block 202, the vertical square rods 203 are inserted into the corresponding square sleeves 205, the vertical square rods 203 are connected with the square sleeves 205 in a sliding manner, a spring 204 is sleeved outside each vertical square rod 203, the bottom end of the spring 204 is connected with the top surface of the locking batten 201, the top end of the spring 204 is connected with the bottom surface of the bending bar block 202, a bar-shaped bottom plate 209 is arranged below the two locking battens 201 and is perpendicular to the two locking battens, hydraulic short pipes 210 are arranged at two opposite ends of the bottom surface of the bar-shaped bottom plate 209, the two hydraulic short pipes correspond to the two locking battens respectively, an extrusion rod 211 is inserted into the inner side of each hydraulic short pipe 210, and the peripheral surface of the extrusion rod 211 is attached to the, the bottom end of the extrusion rod 211 is provided with an extrusion plate 213, the top end of each locking lath 201 is provided with a hydraulic end 206, the inner side of the hydraulic end 206 is provided with a jacking block 207, the lower part of the jacking block 207 is attached to the inner wall of the hydraulic end 206, the jacking block 207 is connected with the bottom surface of the bending lath 202, the lath-shaped bottom plate 209 and the locking lath 201 are inserted and connected through a transfusion hard tube 208, two ends of the transfusion hard tube 208 are respectively communicated with the hydraulic end 206 and a hydraulic short tube 210, the bottom end of the lath-shaped bottom plate 209 is provided with a locking shaft seat 214, one side of the locking shaft seat 214 is provided with a connecting column 216, the connecting column 216 is rotatably connected with the locking shaft seat 214, the connecting column 216 is provided with two cams 212, the two cams 212 are staggered with each other, for example, 180 degrees are respectively attached to the bottom surface of the extrusion plate 213, so as to be connected with the connecting column 216, the bending motor 215 drives the connecting column 216 and the two cams 212 to rotate simultaneously, so that the two cams 212 drive the extrusion plate 213 to move upwards in turn, the jacking block 207 moves upwards at the moment, and the bending bar block 202 at the top end of the jacking block 207 also performs upward punching operation. For example, the locking strips and the strip-shaped base plate are fixedly mounted relative to the ground.
For example, in order to press the sheet metal on the bending table from top to bottom and to bend the sheet metal from bottom to top in a fast bending manner, a frame-shaped pressing frame 5 is installed above the bending table 1, vertical slots 512 are respectively arranged on both sides of the frame-shaped pressing frame 5, a sliding block 502 is inserted into the inner side of each vertical slot 512, the sliding block 502 is connected with the vertical slot 512 in a sliding manner, an L-shaped pressing arm 503 is arranged on one side of the sliding block 502, a gear disc 504 is installed at the end of each L-shaped pressing arm 503, the gear disc 504 is connected with the L-shaped pressing arm 503 in a rotating manner, two racks 505 are installed on the inner side wall of the frame-shaped pressing frame 5, the two racks are oppositely arranged and respectively adjacent to the two vertical slots, each rack 505 is meshed with the corresponding gear disc 504, a lifting motor 506 is fixedly installed on the side wall of each L-shaped pressing arm 503, the output end of the lifting motor 506 passes through the L, when the lifting motor 506 drives the gear disc 504 to rotate, the gear disc 504 slides up and down along the rack 505, and the sliding block 502 slides along the vertical slot 501.
An overturning arm 507 is fixedly mounted on one side, away from the vertical groove, of each gear disc 504, a movable hinge block 508 is fixedly mounted at one end, opposite to the two overturning arms 507, of each overturning arm 507, a pressure plate 509 is mounted on one side of each movable hinge block 508, pull rings 511 are arranged at two opposite ends of each pressure plate 509 and on two opposite side walls of each overturning arm 507, the pull rings 511 at the end parts of the pressure plates are connected with the pull rings of the side walls of the overturning arms through return springs 510, hooks matched with the pull rings 511 are arranged at two ends of each return spring 510, the pressure plates 509 are vertically downward after the gear discs 504 rotate for ninety degrees, the pressure plates 509 are movably connected with the overturning arms 507, and when the pressure plates 509 are not loaded, the overturning arms 507 and the pressure plates 509 tend to be in a. The turnover arm, the vertical groove and the pressure plates are mutually vertical pairwise, and the two pressure plates are mutually parallel and arranged at intervals. The two pressure plates are used for pressing and holding the metal plate on the positioning bending platform so that the two opposite sides of the metal plate respectively protrude out of the two opposite sides of the straight bending platform.
For example, in order to release the metal plate on the bending table conveniently, a ceiling plate 4 is arranged above the frame-shaped pressing frame 5, for example, the ceiling plate is fixedly installed relative to the ground, round sleeves 401 are arranged at two ends of the ceiling plate 4, two vertical rods 501 matched with the round sleeves 401 are fixedly arranged at the top end of the frame-shaped pressing frame 5, the two vertical rods 501 are respectively inserted into the two round sleeves 401 in a sliding mode, and the frame-shaped pressing frame 5 can move upwards through the vertical rods 501 and the round sleeves 401.
Two hinging blocks 402 are fixedly mounted on the bottom surface of the ceiling board 4 and the top surface of the frame-shaped pressing frame 5, each hinging block of the ceiling board and the corresponding hinging block on the frame-shaped pressing frame form a group of hinging blocks, a long arm 403 and a short arm 404 are respectively mounted on the two hinging blocks 402 of each group of hinging blocks, the adjacent ends of the long arm 403 and the short arm 404 are hinged with each other, a double-head cylinder 405 is arranged between the ceiling board 4 and the frame-shaped pressing frame 5, bending output rods 406 are mounted at two output ends of the double-head cylinder 405, the end of each bending output rod 406 is inserted into the hinging point of the long arm 403 and the short arm 404, when the output ends of the double-head cylinder 405 are contracted or expanded simultaneously, the included angle between the long arm 403 and the short arm 404 is increased or reduced, and then the double-head cylinder 405 indirectly provides power for the frame-shaped pressing frame 5 to ascend and descend. The frame-shaped press-fit frame can be driven to move upwards through the double-head cylinder so as to release the bent metal plate on the bending table.
In order to convey metal plates to the bending table, a feeding assembly 3 is arranged on one side of the bending table 1, the feeding assembly 3 comprises two upright posts 301, a fixed roller 302 and a movable roller 303 are arranged between the two upright posts 301, the movable roller is arranged on the upper side of the fixed roller, round rods respectively inserted into the inner sides of the two upright posts 301 are arranged at two ends of the fixed roller 302/the movable roller 303, the round rods at two ends of the movable roller 303 are respectively connected with the two upright posts 301 in a sliding manner, the round rods at two ends of the fixed roller are respectively connected with the two upright posts in a rotating manner, a wire slot 305 is arranged on one side of each upright post 301, pressure round rods 306 are respectively arranged at two ends of the movable roller 303 in an outward protruding manner, the pressure round rods 306 penetrate through the wire slots 305, a gravity ball 307 is arranged at the end of each pressure round rod 306, a feeding motor 304 is fixedly arranged on the side wall of one, the whole sheet metal is placed between the fixed roller 302 and the movable roller 303, the movable roller 303 applies pressure downwards through the gravity ball 307 and the gravity of the movable roller 303, and then the feeding motor 304 drives the fixed roller 302 to rotate, so that the sheet metal is pushed forwards step by step, and burrs and flashes at the edge are tamped.
In order to blank a metal plate on the bending table, a blanking table 6 is arranged on one side of the bending table 1, which is far away from the feeding assembly 3, the blanking table 6 is independently and fixedly installed, a blanking assembly 7 is arranged below the blanking table 6, the blanking assembly 7 comprises two hoisting guide rails 701, the hoisting guide rails 701 are fixedly installed, for example, fixedly installed relative to the ground, each hoisting guide rail 701 is sleeved with a hoisting slider 702, the hoisting slider 702 is in sliding connection with the hoisting guide rails 701, the two hoisting sliders 702 are fixedly connected through an object stage 703, one side of each hoisting slider 702 is fixedly provided with an L-shaped bending plate 704, one side of the L-shaped bending plate 704 is fixedly provided with a pressing air cylinder 705, the output end of the pressing air cylinder 705 is provided with a rubber strip block 708, the output rod of the pressing air cylinder 705 passes through the L-shaped bending plate 704, the L-shaped bending plate 704 is, the two rubber strip blocks are respectively positioned on two opposite sides of the blanking table and are parallel to the hoisting guide rail. After the sheet metal is bent, the rubber strip 708 at the output end of the press-fit air cylinder 705 extends out to clamp two side faces of the sheet metal, and then the sheet metal and the two hoisting sliding blocks 702 slide out together.
A screw rod 707 is arranged between the two hoisting guide rails 701, a nut block matched with the hoisting guide rails 701 is arranged at the bottom end of the object stage 703, the screw rod 707 is installed at the output end of the servo motor 706, the servo motor 706 is fixedly installed, for example, fixedly installed relative to the hoisting guide rails, the servo motor 706 drives the object stage 703 to move through the screw rod 707, and then the servo motor 706 indirectly provides sliding power for the hoisting sliding block 702.
When the device is used, a whole piece of sheet metal is placed between the fixed roller 302 and the movable roller 303, the movable roller 303 applies pressure downwards through the gravity ball 307 and the gravity of the movable roller 303, so that the feeding motor 304 drives the fixed roller 302 to rotate, the sheet metal is pushed forwards step by step, and burrs and flashes at the edge are tamped. Feeding component 3 carries the panel beating to the bench of bending, and the both sides of panel beating are protruding outside stretching to the relative both sides of the bench of bending respectively.
When the lifting motor 506 drives the gear disc 504 to rotate, the gear disc 504 slides along the rack 505, the sliding block 502 at the moment slides along the vertical groove 501, and when the gear disc 504 rotates ninety degrees, the turnover arm 507 is vertically downward, the pressure plate 509 is movably connected with the turnover arm 507, and the two pressure plates 509 press and hold the sheet metal on the bending table.
The bending motor 215 drives the connecting column 216 and the two cams 212 to rotate simultaneously, so that the two cams 212 drive the extrusion plate 213 to move upwards in turn, the jacking block 207 moves upwards, the bending strip 202 at the top end of the jacking block 207 also performs upward stamping operation, and a bending body at the side edge of the bending strip is utilized to upwards support and press the side edge of the metal plate so as to bend the metal plate.
The frame-shaped pressing frame 5 can move upwards through the vertical rod 501 and the round sleeve 401, when the output end of the double-head cylinder 405 contracts or expands simultaneously, the included angle between the long arm 403 and the short arm 404 is increased or decreased, and then the double-head cylinder 405 indirectly provides power for the frame-shaped pressing frame 5 to lift. The frame-shaped pressing frame can be lifted to release the metal plate on the bending table.
After the sheet metal is bent, the sheet metal is conveyed to a blanking table, the rubber strip 708 at the output end of the pressing air cylinder 705 extends out to clamp two side faces of the sheet metal, then the sheet metal and the two hoisting sliding blocks 702 slide out together, the servo motor 706 drives the objective table 703 to move through the screw rod 707, and then the servo motor 706 indirectly provides sliding power for the hoisting sliding blocks 702.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (8)
1. The utility model provides a mechanism of bending of panel beating for electromagnetic shield which characterized in that: comprises a bending table (1), the bending table (1) is independently and fixedly installed, four corners of the bottom surface of the bending table (1) are respectively provided with a ground foot (101), two opposite sides of the bending table (1) are respectively provided with a bending assembly (2), each bending assembly (2) comprises a locking batten (201), the locking battens (201) are fixedly installed, a bending strip block (202) is arranged above the locking batten (201), two opposite ends of the locking batten (201) are respectively provided with a vertical square rod (203), two ends of each bending strip block (202) are respectively provided with a square sleeve (205) matched with the corresponding vertical square rod (203), the vertical square rods (203) are inserted into the inner sides of the corresponding square sleeves (205), the vertical square rods (203) are connected with the square sleeves (205) in a sliding manner, the outer side of each vertical square rod (203) is sleeved with a spring (204), the bottom ends of the springs (204) are connected with the top surfaces of the locking battens (201), the top end of a spring (204) is connected with the bottom surface of a bending strip block (202), the bottom ends of two locking strips (201) are jointly provided with a strip-shaped bottom plate (209), the strip-shaped bottom plate is perpendicular to the two locking strips, two opposite ends of the bottom surface of the strip-shaped bottom plate (209) are respectively provided with a hydraulic short pipe (210), the two hydraulic short pipes respectively correspond to the two locking strips, an extrusion rod (211) is inserted into the inner side of each hydraulic short pipe (210), the peripheral surface of the extrusion rod (211) is attached to the inner wall of the hydraulic short pipe (210), the bottom end of the extrusion rod (211) is provided with an extrusion plate (213), the top end of each locking strip (201) is provided with a hydraulic end head (206), the inner side of the hydraulic end head (206) is provided with a jacking block (207), the lower part of the jacking block (207) is attached to the inner wall of the hydraulic end head (206), the jacking block (207) is connected with the bottom surface of the bending strip block (202, two ends of infusion hard tube (208) are respectively with hydraulic pressure end (206) and hydraulic pressure nozzle stub (210) switch-on, locking axle bed (214) are installed to the bottom of bar bottom plate (209), spliced pole (216) are installed to one side of locking axle bed (214), spliced pole (216) and locking axle bed (214) swivelling joint, install two cams (212) on spliced pole (216), two cams (212) stagger each other, the bottom surface of two stripper plates (213) is laminated respectively in two cams (212), bend motor (215) are installed to the opposite side of locking axle bed (214), the output of bend motor (215) passes locking axle bed (214) to be connected with spliced pole (216).
2. The bending mechanism of the sheet metal for electromagnetic shielding according to claim 1, characterized in that: a frame-shaped pressing frame (5) is arranged above the bending table (1), vertical grooves (512) are arranged on two sides of the frame-shaped pressing frame (5), a sliding block (502) is inserted into the inner side of each vertical groove (512), the sliding block (502) is connected with the vertical grooves (512) in a sliding manner, an L-shaped pressing arm (503) is arranged on one side of the sliding block (502), the two L-shaped pressing arms extend oppositely, a gear disc (504) is arranged at the end part of each L-shaped pressing arm (503), the gear disc (504) is connected with the L-shaped pressing arm (503) in a rotating manner, two racks (505) are arranged on the inner side wall of the frame-shaped pressing frame (5), the two racks are oppositely arranged and respectively adjacent to the two vertical grooves, each rack (505) is meshed with the corresponding gear disc (504), a lifting motor (506) is fixedly arranged on the side wall of each L-shaped pressing arm (503), and the output end of the lifting motor (506) penetrates through the L-shaped pressing arm (503), for connection with a gear plate (504).
3. The bending mechanism of the sheet metal for electromagnetic shielding according to claim 2, characterized in that: one side fixed mounting that deviates from vertical groove of every toothed disc (504) has upset arm (507), the equal fixed mounting of one end in opposite directions of two upset arms (507) has activity articulated piece (508), and pressure plate (509) are installed to one side of activity articulated piece (508), the middle part of pressure plate (509) articulates on activity articulated piece, the relative both ends of pressure plate and the relative both sides wall of upset arm (507) all are provided with pull ring (511), be connected through reset spring (510) between pull ring (511) of pressure plate tip and the pull ring of upset arm lateral wall, the both ends of every reset spring (510) all are provided with and pull ring (511) assorted couple, the upset arm, two liang of mutually perpendicular of vertical groove and pressure plate, two pressure plates are parallel to each other and set up at the interval.
4. The bending mechanism of the sheet metal for electromagnetic shielding according to claim 3, characterized in that: a ceiling plate (4) is arranged above the frame-shaped pressing frame (5), the ceiling plate is fixedly installed relative to the ground, round sleeves (401) are arranged at two ends of the ceiling plate (4), two vertical rods (501) matched with the round sleeves (401) are fixedly arranged at the top end of the frame-shaped pressing frame (5), and the two vertical rods (501) are respectively inserted into the two round sleeves (401) in a sliding mode.
5. The bending mechanism of the sheet metal for electromagnetic shielding according to claim 4, wherein: the bottom surface of furred ceiling board (4) and the equal fixed mounting of top surface of frame shape pressfitting frame (5) have two articulated blocks (402), every articulated block and the articulated block that corresponds on the frame shape pressfitting frame of furred ceiling board form a set of articulated block, install long arm (403) and short arm (404) on two articulated blocks of every articulated block of group respectively, the one end that long arm (403) and short arm (404) are adjacent is articulated each other, be provided with double-end cylinder (405) between furred ceiling board (4) and frame shape pressfitting frame (5), two output terminals of double-end cylinder (405) are installed and are buckled output pole (406), the end of every output pole of buckling (406) is inserted in the pin joint of long arm (403) and short arm (404).
6. The bending mechanism of the sheet metal for electromagnetic shielding according to claim 5, characterized in that: one side of the bending platform (1) is provided with a feeding assembly (3), the feeding assembly (3) comprises two upright posts (301), a fixed roller (302) and a movable roller (303) are arranged between the two upright posts (301), the movable roller is positioned on the upper side of the fixed roller, round rods which are respectively inserted into the inner sides of the two upright posts (301) are arranged at the two ends of the fixed roller (302)/the movable roller (303), the round rods at the two ends of the movable roller (303) are respectively in sliding connection with the two upright posts (301), the round rods at the two ends of the fixed roller are respectively in rotating connection with the two upright posts, a wire groove (305) is arranged at one side of each upright post (301), pressure round rods (306) are respectively arranged at the two ends of the movable roller (303) in an outward protruding mode, the pressure round rods (306) penetrate through the wire grooves (305), a gravity ball (307) is arranged at the end of each pressure round rod (306), a feeding motor (304, the output end of the feeding motor (304) penetrates through the upright column (301) to be connected with the fixed roller (302).
7. The bending mechanism of the sheet metal for electromagnetic shielding according to claim 6, wherein: a blanking table (6) is arranged on one side, away from a feeding assembly (3), of a bending table (1), the blanking table (6) is independently and fixedly installed, a blanking assembly (7) is arranged below the blanking table (6), the blanking assembly (7) comprises two hoisting guide rails (701), the hoisting guide rails (701) are fixedly installed, each hoisting guide rail (701) is sleeved with a hoisting slider (702), the hoisting sliders (702) are slidably connected with the hoisting guide rails (701), the two hoisting sliders (702) are fixedly connected through an object stage (703), an L-shaped bending plate (704) is fixedly installed on one side of each hoisting slider (702), a pressing air cylinder (705) is fixedly installed on one side of each L-shaped bending plate (704), a rubber block (708) is installed at the output end of each pressing air cylinder (705), an output rod of each pressing air cylinder (705) penetrates through each L-shaped bending plate (704), an open hole matched with the output rod of each pressing air cylinder (705) is formed in each L-shaped bending, the two rubber strip blocks are respectively positioned on two opposite sides of the blanking table and are parallel to the hoisting guide rail.
8. The bending mechanism of the sheet metal for electromagnetic shielding according to claim 7, characterized in that: a screw rod (707) is arranged between the two hoisting guide rails (701), a nut block matched with the hoisting guide rails (701) is arranged at the bottom end of the objective table (703), the screw rod (707) is installed at the output end of the servo motor (706), and the servo motor (706) is fixedly installed.
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| CN202011408090.XA CN112658072B (en) | 2020-12-05 | 2020-12-05 | Bending mechanism of metal plate for electromagnetic shielding |
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| CN202011408090.XA CN112658072B (en) | 2020-12-05 | 2020-12-05 | Bending mechanism of metal plate for electromagnetic shielding |
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| CN112658072A true CN112658072A (en) | 2021-04-16 |
| CN112658072B CN112658072B (en) | 2022-08-19 |
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| CN114273715A (en) * | 2022-01-10 | 2022-04-05 | 南通正耀电气科技有限公司 | Sheet metal machining and cutting device |
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|---|---|
| CN112658072B (en) | 2022-08-19 |
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