WO2017113410A1 - Usb金属外壳的冲切侧槽的装置及方法 - Google Patents

Usb金属外壳的冲切侧槽的装置及方法 Download PDF

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Publication number
WO2017113410A1
WO2017113410A1 PCT/CN2015/100340 CN2015100340W WO2017113410A1 WO 2017113410 A1 WO2017113410 A1 WO 2017113410A1 CN 2015100340 W CN2015100340 W CN 2015100340W WO 2017113410 A1 WO2017113410 A1 WO 2017113410A1
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WO
WIPO (PCT)
Prior art keywords
usb metal
metal casing
core
punching
processing station
Prior art date
Application number
PCT/CN2015/100340
Other languages
English (en)
French (fr)
Inventor
何自坚
Original Assignee
深圳市大富精工有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市大富精工有限公司 filed Critical 深圳市大富精工有限公司
Priority to PCT/CN2015/100340 priority Critical patent/WO2017113410A1/zh
Priority to CN201580079901.7A priority patent/CN107614141B/zh
Publication of WO2017113410A1 publication Critical patent/WO2017113410A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/34—Perforating tools; Die holders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02—Advancing work in relation to the stroke of the die or tool

Definitions

  • the invention relates to the technical field of material processing, in particular to a device and a method for punching a side groove of a USB metal casing.
  • the USB metal casing has U-shaped side grooves on both sides, and the purpose is to fix the internally assembled plastic parts to prevent the plastic parts from coming loose.
  • the U-shaped side groove is formed on both sides by punching from one side of the USB metal casing and passing through the other side of the USB metal casing.
  • this type of stamping method has the following disadvantages:
  • the slot of the U-shaped side slot is too small, usually only 0.4mm, which makes the punching pin thin and weak and easy to break;
  • the U-shaped side groove cantilever length is 0.65mm, which makes the core knife edge weak and easy to break;
  • the material thickness of the USB metal casing is 0.15 mm, and the tolerance of the punching needle and the core knife edge is required to be 0.015 mm, but the punching needle is too small and the rigidity is weakened, and it is difficult to ensure the position of 0.015 mm in the punching process. Causes the punch to deviate from the core edge, and the punch or core edge breaks.
  • the technical problem to be solved by the present invention is to provide a device and a method for punching a side groove of a USB metal casing for reducing the occurrence of breakage of the punching pin and the core edge.
  • a technical solution adopted by the present invention is to provide a method for punching side slots of a USB metal casing, the method comprising: grabbing a USB metal casing from a loading station, and attaching a USB metal casing Pressing into the first core of the first processing station; in the first processing station, stamping the first side of the USB metal casing to punch the first side groove on the first side; from the first processing worker The USB metal casing is removed and pressed into the second core of the second processing station; in the second processing station, the second side of the USB metal casing is stamped to punch the second side Two side slots, wherein the first side and the second side are opposite sides of the USB metal housing; and the USB on the second processing station The metal casing is unloaded.
  • the step of grabbing the USB metal casing from the loading station and pressing the USB metal casing into the core of the first processing station comprises: grabbing the USB metal casing from the loading station, and then moving to the first In a processing station, the USB metal casing is placed over the core of the first processing station, and then the USB metal casing is pressed downward to press the USB metal casing into the first core.
  • the first core is provided with a first slot cutter corresponding to the first side slot; and the step of stamping the first side of the USB metal casing to punch the first side slot on the first side comprises: pairing the USB metal A position of the first side of the outer casing corresponding to the first slot edge is stamped to punch the first side slot on the first side.
  • the step of stamping the position of the first slot of the first metal slot of the USB metal housing further includes: providing a support surface on the second side of the USB metal housing to offset the force of the stamping to prevent the first A core breaks.
  • the first core is provided with a first discharge channel; and the step of stamping the position of the first side of the first metal slot of the USB metal casing further comprises: blowing the first discharge channel to unload Except for waste generated by stamping at the first processing station.
  • the step of taking out the USB metal casing from the first processing station and pressing into the core of the second processing station comprises: removing the USB metal casing at the first processing station, and then moving to the second processing station Then, the USB metal casing is placed over the core of the second processing station, and then the USB metal casing is pressed downward to press the USB metal casing into the second core.
  • the second core is provided with a second slot cutter corresponding to the second side slot;
  • the step of punching the second side of the USB metal casing to punch the second side slot on the second side comprises: A position of the second side of the metal casing corresponding to the second slot edge is stamped to punch the second side groove on the second side.
  • the step of stamping the position of the second slot of the second metal slot of the USB metal housing further includes: providing a support surface on the first side of the USB metal housing to offset the pressing force and preventing the second The core is broken.
  • the second core is provided with a second discharge channel; the step of punching the position of the second slot of the USB metal casing corresponding to the second slot further comprises: blowing the second discharge channel to unload Except for scrap produced by stamping at the second processing station.
  • the step of cutting the USB metal casing on the second processing station comprises: grabbing the USB metal casing from the second processing station, then moving to the blanking station, and then placing the USB metal casing under the In the material device, to complete the blanking.
  • the step of grabbing the USB metal casing from the loading station, the step of removing the USB metal casing from the first processing station, and the step of grasping the USB metal casing from the second processing station are simultaneously performed.
  • a technical solution adopted by the present invention is to provide a device for punching side slots of a USB metal casing, characterized in that the device comprises three robots and two punching mechanisms, wherein three robots include The first robot, the second robot and the third robot, the two punching mechanisms include a first punching mechanism and a second punching mechanism, wherein: the first robot is used to grab the USB metal casing from the loading station and connect the USB metal The outer casing is pressed into the first core of the first processing station; the first punching mechanism is configured to punch the first side of the USB metal casing in the first processing station to punch the first side on the first side a side slot; a second robot for taking out the USB metal casing from the first processing station and pressing into the second core of the second processing station; and a second punching mechanism for the second processing station Stamping a second side of the USB metal casing to punch a second side groove on the second side, wherein the first side and the second side are opposite sides of the USB metal casing; the third robots and two punching mechanisms,
  • the device further comprises a moving mechanism
  • the robot comprises a gas grip
  • the moving mechanism is for moving the robot in a horizontal direction
  • the gas grip is for grasping or releasing the USB metal casing.
  • the first/second robot further comprises a pressing rod and a punching cylinder, and the pressing cylinder is used for driving the pressing rod to apply a downward direction to the USB metal casing in a vertical direction when the USB metal casing is released onto the first/second core Pressure to press the USB metal housing onto the first/second core.
  • the first punching mechanism comprises a first punching pin and a first core, and the first core is provided with the first punch
  • the first slot hole of the needle is opposite to the first slot
  • the second punching mechanism includes a second punch and a second core, and the second core is provided with a second slot edge facing the tip of the second punch.
  • the first/second core is hollowly provided with a discharge passage connecting the first/second slot cutters, and the blower is further provided with a blow hole for blowing the waste into the discharge passage when entering the waste To discharge waste.
  • the device further comprises two supporting mechanisms, each supporting mechanism comprises a supporting surface, the two supporting mechanisms comprise a first supporting mechanism and a second supporting mechanism, the first supporting mechanism is opposite to the first punching mechanism, and the first supporting mechanism is The support surface is configured to provide support for the second side of the first side groove of the USB metal casing during the pressing of the first side groove; the second support mechanism is opposite to the second punching mechanism, and the support surface of the second support mechanism is used for The second side of the USB metal housing provides support for the first side thereof during the stamping of the second side slot.
  • first punching mechanism and the second punching mechanism are distributed on both sides of the device to punch the side metal groove from the opposite direction.
  • the device further comprises two ejecting mechanisms, the two ejecting mechanisms are distributed under the first core and the second core to connect the USB after the USB metal shell completes the side slot punching of the first/second processing station
  • the metal casing is ejected upwardly in a vertical direction.
  • the device further comprises a loading mechanism arranged at the loading station, the loading mechanism comprises a direct seismic track and a material moving separation component, the direct seismic track is used for closely arranging and conveying the USB metal casing, and the material moving up and separating component is used for The material to be taken conveyed by the direct earthquake track is moved up to facilitate the first robot to grasp.
  • the loading mechanism comprises a direct seismic track and a material moving separation component
  • the direct seismic track is used for closely arranging and conveying the USB metal casing
  • the material moving up and separating component is used for The material to be taken conveyed by the direct earthquake track is moved up to facilitate the first robot to grasp.
  • the device further comprises a base, and the robot and the punching mechanism are all disposed on the base.
  • the invention has the advantages that the method for punching the side groove of the USB metal casing is different from the prior art, and the method is specifically: grabbing the USB metal casing from the loading station, and Pressing a USB metal casing into the first core of the first processing station; in the first processing station, stamping a first side of the USB metal casing to punch out at the first side a first side slot; the second metal housing is removed from the first processing station and pressed into the second type of the second processing station In the second processing station, stamping a second side of the USB metal casing to punch a second side groove on the second side, wherein the first side and the The second side is the opposite sides of the USB metal casing; the USB metal casing on the second processing station is blanked.
  • the stroke of the punching needle during punching is reduced, thereby reducing the occurrence of breakage of the punching needle and the core knife edge.
  • FIG. 1 is a schematic structural diagram of a USB metal case according to an embodiment of the present invention.
  • FIG. 2 is a flow chart of a method for punching a side slot of a USB metal case according to an embodiment of the present invention
  • FIG. 3 is a flow chart of a loading method according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural view of a device for punching side slots of a USB metal casing according to an embodiment of the present invention
  • FIG. 5 is a schematic structural diagram of a mechanical hand assembly according to an embodiment of the present invention.
  • FIG. 6 is another schematic structural diagram of a robot assembly according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural view of a pressing bar of a robot according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural view of a punching mechanism according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural view of a punching pin provided by an embodiment of the present invention.
  • FIG. 10 is another schematic structural view of a punching mechanism according to an embodiment of the present invention.
  • FIG. 11 is a schematic structural view of a core according to an embodiment of the present invention.
  • FIG. 12 is a schematic structural view of a core assembly according to an embodiment of the present invention.
  • Figure 13 is an enlarged view of a circled portion in Figure 8.
  • FIG. 14 is a schematic structural diagram of a loading device according to an embodiment of the present invention.
  • FIG. 15 is a schematic structural diagram of a transport mechanism of a loading device according to an embodiment of the present invention.
  • FIG. 1 is a USB metal case according to an embodiment of the present invention.
  • the USB metal case is provided with a side punching groove.
  • the USB metal casing 10 includes two parallel sides, hereinafter referred to as a first side and a second side, only one of which is shown, wherein the two sides are identical in construction.
  • a side flushing groove 12 is provided on the side surface 11.
  • the side flushing groove 12 is a U-shaped groove.
  • the present invention provides the following embodiments to describe a method and apparatus for stamping the side flues 12.
  • FIG. 2 is a flowchart of a method for punching a side slot according to an embodiment of the present invention. As shown in FIG. 2, the method in this embodiment includes:
  • Step S1 Grasping the USB metal casing from the loading station and pressing the USB metal casing into the first core of the first processing station.
  • the USB metal casing is grabbed from the loading station, and then moved to the first processing station, and then the USB metal casing is placed above the first core of the first processing station, and then the USB metal casing is oriented. Pressure is applied to press the USB metal housing into the first core.
  • the purpose of the loading step is to provide the USB metal casing to the loading station.
  • the loading method is:
  • Step S11 The screened product is transported to the direct earthquake guide rail, wherein the products on the direct shock rail are closely arranged in sequence.
  • the product described in this embodiment is preferably the USB metal casing 10 described above.
  • Step S12 When the product is delivered to the outlet end of the direct-oscillation rail, the product enters the discharge slider from the direct-oscillation rail.
  • Step S13 when the product is received on the discharge slider, the discharge slider and the direct-oscillation guide rail are moved up and down by a predetermined distance, so that the product on the direct-shock guide and the product on the discharge slider are stepped for The robot performs the grab.
  • the embodiment further detects whether the discharge slider is received by the product, and when the detection result is YES, the discharge slider and the direct earthquake guide rail are relatively moved up and down by a predetermined distance.
  • the specific detection method is: detecting whether a product located at the outermost end of the end portion of the direct-oscillation rail reaches The discharge slider and the product adjacent to the outermost end do not reach the discharge slider, that is, the present embodiment detects whether only the outermost product, that is, the USB metal casing, reaches the discharge slider. And when the result of the detection is YES, the discharge slider and the direct-oscillation rail are moved up and down by a predetermined distance. More specifically, the present embodiment preferably uses a cylinder to move the discharge slider upward relative to the direct-oscillation rail by a predetermined distance.
  • the cylinder is used to act on the discharge slider, for example, lifting the discharge slider upward to move the discharge slider upward by a predetermined distance.
  • the preset distance is preferably 10 mm. Therefore, the present embodiment can separate the outermost product from other products, so that the robot can only grip the outermost product and prevent the other products from being caught, for example, adjacent to the outermost product.
  • the present invention clamps the product on a stationary discharge slider, thereby enabling stable product gripping.
  • the direct shock rail can also be acted upon by a cylinder or other power mechanism such that the direct magnet guide is moved downward relative to the discharge slider by a predetermined distance.
  • Step S2 in the first processing station, stamping the first side of the USB metal casing to punch the first side groove on the first side.
  • the first core is provided with a first core knife edge corresponding to the first side groove.
  • the position of the first core blade corresponding to the first side of the USB metal casing is punched to punch the first side groove on the first side.
  • a support surface is provided on the second side of the USB metal casing to counteract the force of the stamping to prevent the first core from breaking.
  • a first discharge channel is disposed in the first core, and the first discharge channel is in communication with the first core blade, so that waste generated on the first core blade can be discharged through the first discharge channel except.
  • the first discharge channel is also blown to remove the waste generated by the stamping at the first processing station.
  • Step S3 The USB metal casing is taken out from the first processing station and pressed into the second core of the second processing station.
  • the USB metal casing is taken out at the first processing station, and then moved to the second processing station, and then the USB metal casing is placed above the second core of the second processing station, and then Apply pressure to the USB metal housing to press the USB metal housing into the second core.
  • Step S4 in the second processing station, punching the second side of the USB metal casing to punch the second side groove on the second side, wherein the first side and the second side are USB metal shells The side.
  • the second core is provided with a second core edge corresponding to the second side groove.
  • a support surface is provided on the first side of the USB metal casing for counteracting the force of the stamping to prevent the second core from breaking.
  • a second discharge channel is disposed in the second core, and the second discharge channel communicates with the second core blade, so that the waste generated on the second core blade can be discharged through the second discharge channel except.
  • the second discharge passage is further blown after the second side groove is punched to remove the waste generated by the pressing at the second processing station.
  • Step S5 cutting the USB metal casing on the second processing station.
  • the USB metal casing is grabbed from the second processing station, and then moved to the blanking station, and then the USB metal casing is placed in the unloading device to complete the blanking.
  • step S1, step S3, and step S5 are performed simultaneously. This makes it possible to move the USB metal casing at different stations from the station to the next station simultaneously, thereby ensuring smooth operation and preventing damage to the USB metal casing and manufacturing of the mold.
  • two side punching grooves are obtained by two side punching on the two sides facing the USB metal casing, which reduces the stroke of the punching needle during punching, and ensures the precision between the punching needle and the core knife edge, thereby reducing the precision.
  • the punching needle and the core knife edge are broken.
  • the embodiment of the invention also provides a device for punching side slots of a USB metal casing, please refer to FIG. 4.
  • the device 20 includes three robots 100 and two punching mechanisms 200, wherein the three robots 100 include a first robot 101, a second robot 102, and a third robot 103.
  • the two punching mechanisms 200 include a first punching mechanism 201 and a Two punching mechanism 202.
  • the first robot 101 is used to grab the USB metal casing 10 from the loading station A1, and press the USB metal casing 10 into the first core of the first processing station A2 (not shown in the drawings, which will be described later). Said).
  • the first punching mechanism 102 is for stamping the first side of the USB metal casing 10 in the first processing station A2 to punch the first side groove on the first side.
  • the second robot 102 is used to take the USB metal casing 10 from the first processing station A2 and press it into the second core of the second processing station A2 (not shown in the drawings, which will be described later in detail).
  • the second punching mechanism 202 is configured to punch the second side of the USB metal casing 10 in the second processing station A3 to punch the second side groove on the second side, wherein the first side and the second side It is the opposite side of the USB metal casing 10.
  • the third robot 103 is used to blank the USB metal casing 10 on the second processing station A3.
  • the movement of the USB metal casing 10 by the device 20 of the blank side of the USB metal casing is preferably achieved by a robot assembly.
  • the device 20 of the USB metal housing that cuts the side slots includes a robot assembly 300 that includes a moving mechanism 301 and three robots 100 as previously described.
  • the robot 100 is disposed on the moving mechanism 301.
  • three robots can use the same structure of the robot.
  • the moving mechanism 301 is used to move the robot 100 in the horizontal direction.
  • the moving mechanism 301 includes a driving member 302, a sliding rail 306 (not shown in FIG. 5, as shown in FIG. 6), and a sliding member 303 slidably disposed on the sliding rail 306.
  • the driving member 302 is configured to drive the sliding member 303 to be relatively slippery.
  • the rail 306 translates in the horizontal direction.
  • the three robots 101-103 are fixedly disposed on the slider 303 at intervals.
  • the driving member 302 is a motor. In other embodiments, the drive member 302 can also be a cylinder, and the drive member 302 shown in FIG. 6 is a cylinder.
  • the robot 103 includes a fixing member 104 and a gas catch 105, a pressure bar 106, and a first cylinder 107 disposed on the fixed member 104.
  • the air catch 105 is used to grab or release the USB metal casing.
  • the pressure bar 106 is disposed on one side of the air catch 105, specifically on a side close to the first cylinder 107.
  • the first cylinder 107 is used to drive the pair of pressing rods 106 when the USB metal casing 10 is released onto the core.
  • the USB metal casing 10 applies downward pressure in the vertical direction to press the USB metal casing 10 onto the core.
  • the first cylinder 107 is pressed against the USB metal casing 10 so that the USB metal casing 10 can be aligned with the core, and the USB metal casing 10 is stamped onto the core. Therefore, the first cylinder 107 is again a stamping cylinder. .
  • the robot 103 further includes a second cylinder 108, the second cylinder 108 is slidably disposed on the moving rail 306 and connected to the fixing member 104, and the second cylinder 108 is configured to drive the fixing member 104 in the vertical direction such that the fixing member 104 passes through the fixing member 104. Drive the gas to catch the 105 up and down.
  • the second cylinder 108 moves up and down the fixed element 104, and therefore, the second cylinder 108 is again a moving cylinder.
  • the pressure rod 106 is externally connected to the air tube, specifically, a gas tube hole 1065 is provided, and the air tube hole 1065 is externally connected to the air tube.
  • a blow hole 1061 is further disposed on the press rod 106. The blow hole 1061 communicates with the air pipe hole 1065 through a gas flow passage 1066, and the high-pressure gas source provided by the external air pipe blows the discharge passage of the core through the blow hole 1061.
  • the pressure bar includes a connecting portion 1062, a guiding portion 1063, and a crimping portion 1064.
  • the guiding portion 1063 is connected to the connecting portion 1062 and the crimping portion 1064.
  • the connecting portion 1062 is connected to the first cylinder 107, the fixing member 104 is provided with a guiding surface for the guiding portion 1063, and the crimping portion 1064 is for crimping the USB metal casing 10.
  • the robot 103 since the robot 103 is located at the second processing station A3, only the USB metal casing 10 on the second processing station A3 is blanked. Therefore, in order to save material, the robot 103 can omit the pressure bar 106 and The setting of the first cylinder 107. That is, the presser bar 106 and the first cylinder 107 may be disposed only on the robots 101 and 102.
  • the moving mechanism 301 further includes two limiting members 304 .
  • Each of the limiting members 304 is disposed on the outer side of the sliding rail 306 to limit the stroke of the sliding member 303 .
  • the robot assembly 300 further includes a fixing bracket 305, the moving mechanism 301 is disposed on the fixing bracket 305, and the fixing bracket 305 is used for fixing the robot assembly to the table top.
  • three robots 101-103 are provided to quickly pick up the product from the loading station A1, and the USB metal casing is driven by the driving member 302, the first cylinder 107, and the second cylinder 108. 10 placed on the core, three stations S1 - A3 are simultaneous action, high efficiency. Further, the core can be blown to prevent the waste generated by the stamping from blocking the core, thereby further preventing the punch from breaking.
  • the first punch mechanism 201 and the second punch mechanism 202 are distributed on both sides of the device 20 to punch the side surface of the USB metal casing 10 from the opposite direction.
  • the first punch mechanism 201 and the second punch mechanism 202 have the same structure except for the difference in position, and are all the punch components of the embodiment. Therefore, the first embodiment will introduce the first punch mechanism 201 and the second punch mechanism 202 in the form of an introduction of the punching needle assembly.
  • the punch assembly 200' includes a punch pin 203, a securing mechanism 204, and a push mechanism 205.
  • the punching needle 203 includes a needle 2031, a main body portion 2032, and a fixing portion 2033.
  • the main body portion 2032 is connected to the needle 2031 and the fixing portion 2033, and the needle 2031 is used for grooving the punched product, that is, the USB metal casing 10 is grooved.
  • the needle 2031 is provided in the shape of a U-shaped groove having a U-slot size of 0.4 mm.
  • the material is made of skh-9 material and manufactured by PG (optical grinding).
  • the body portion 2032 of the punching needle 203 includes a reinforcing arm 2035 and a transition portion 2034 having a thickness and width greater than the needle 2031.
  • the transition section 2034 smoothly connects the reinforcing arm 2035 and the needle 2031, i.e., the transition section 2034 gradually increases from the needle head 2031 toward the reinforcing arm 2035. Since the size of the needle 2031 of the punching needle 203 is too small, its strength is low, and it cannot withstand too much impact force. Therefore, the present embodiment enhances the impact force by the reinforcing arm 2035, so that the needle 2031 can smoothly perform the punching operation.
  • the fixing portion 2033 is for fixing the punching pin 203.
  • the fixing mechanism 204 is provided with a first slot 2411, a second slot 2412 and a guiding hole 2413 that communicate with each other.
  • the second slot 2412 is located between the first slot 2411 and the guiding hole 2413 and has the largest width.
  • the fixing portion 2033 of the punching pin 203 is disposed in the second slot 2412, and the guiding hole 2413 is used for the body portion of the punching pin 203.
  • 2032 plays a guiding role. Therefore, the present invention mounts the punching needle 203 in the fixing mechanism 204, can guide the punching needle 203, and can enhance the rigidity of the punching needle 203, thereby improving the precision and strength of the punching needle.
  • the width of the fixing portion 2033 is greater than the width of the first slot 2411
  • the fixing mechanism 204 includes The punching plate bottom plate 2414 and the punch pin fixing plate 2415 are disposed on the punching plate bottom plate 2414, and the second groove 2412 and the guiding hole 2413 are disposed on the punching pin fixing plate 2415.
  • the punching needle assembly 200' further includes a spring 207.
  • the spring 207 is sleeved on the main body portion 2032 of the punching pin 203. One end of the spring 207 abuts the fixing portion 2033 of the punching pin 203, and the other end abuts the second slot 2412.
  • the inner wall and spring 207 are always in a compressed state. Thereby, the thrust of the punching needle 203 in the direction of the first slit 2411 can be supplied, thereby effectively preventing the needle 2031 from being broken in the direction of the core without being punched.
  • one end of the spring 207 may be fixed on the outer arm of the fixing portion 2033 of the punching pin 203, and the other end is fixed on an inner side wall of the punching plate bottom plate 2414 near the fixing portion 2033, and the spring 207 is always In the stretched state, it is also possible to prevent the needle 2031 from being broken in the direction of the core without being punched.
  • the punching needle assembly 200' further includes a punching pin guide 206.
  • the guiding seat 206 is provided with a guiding hole 2061.
  • the needle of the punching pin 203 passes through the guiding hole 2061 to sag the product.
  • the guiding seat 206 guides the forward punching needle 203 to move forward, and prevents the punching pin 203 from vibrating during the force receiving process, thereby causing the positional deviation of the punching pin 203. Therefore, the accuracy of the punching needle 203 is improved. Thereby, the punching pin 203 or the core knife edge is prevented from being broken.
  • the pushing mechanism 205 includes a pushing portion 2051 for extending into the first slot 2411 to push the fixing portion 2033 of the punching pin 203 so that the punching pin 203 impacts the side wall of the product and is on the side wall of the product.
  • a slot that conforms to the shape of the needle 2031 is opened.
  • the pushing mechanism 205 includes a pressure slider 2052.
  • the pressure slider 2052 includes a pushing portion 2053 and a connecting portion 2054.
  • the connecting portion 2054 is used to connect the punching power mechanism.
  • the punching power mechanism may be, for example, a hydraulic cylinder.
  • the pressure slider 2052 further includes a guiding portion 2055.
  • the guiding portion 2055 is connected to the pushing portion 2053 and the connecting portion 2054.
  • the punching pin assembly 200' further includes a slider guiding plate 208, and the slider guiding plate 208 is provided with a guiding through hole 2081. The guide portion 2055 of the pressure slider 2052 slides in the guide through hole 2081.
  • the punch assembly 200' further includes a fixed base 209 on which the securing mechanism 204 is disposed.
  • the punch assembly 200' further includes a core 400 for securing the product.
  • the core is provided with a knife edge corresponding to the position of the needle 2031 and having the same specifications.
  • the core 400 includes a main body portion 401 and a support assisting portion 402 connected to the main body portion 401.
  • the main body portion 401 is used for nesting with the USB metal casing 10. At least one side surface of the main body portion 401 is provided with a core knife edge 4011, and the core knife edge 4011 and the punching pin 203 act to punch out the side grooves of the USB metal casing 10.
  • the main body portion 401 is provided with a core knife edge 4011 on both sides, wherein the two side surfaces are opposite side surfaces.
  • a side surface provided with the core knife edge 4011 is disposed opposite to the punching pin 203 to provide the punching pin 203 for punching.
  • an end of the main body portion 401 remote from the support assisting portion 402 is provided with a blow port 4012 for receiving high pressure gas. It will be appreciated that the high pressure gas is preferably received from the blow-through opening 1061 of the plunger 106 as previously described.
  • An end of the main body portion 401 remote from the support assisting portion 402 is further provided with a press step surface 4013 disposed at both ends of the air outlet 4012 and flush with the air blowing port 4012 for receiving the press fixture .
  • a side groove height positioning step 4014 is provided at both ends of the press step surface 4013 away from the air blowing port 4012.
  • the side groove height positioning step 4014 and the pressing material step surface 4013 are arranged in a stepped manner.
  • the side groove height positioning step 4014 is lower than the pressing material step surface 4013 when viewed from the main body portion 401 toward the support auxiliary portion 402.
  • the difference in height between the side groove height positioning step 4014 and the pressing step surface 4013 is equal to the shell thickness of the USB metal casing. Since the side groove height positioning step 4014 is provided, when the USB metal casing 10 is pressed into the core 400, the USB metal casing 10 can be prevented from retreating when the pressure is too large, so that the USB metal casing 10 is closer to the core 400. .
  • the main body portion 401 and the inside of the support assistant portion 402 are also provided with a communication discharge passage 403, and are unloaded
  • the material passages 403 are respectively communicated with the core knife edge 4011 and the air blowing port 4012 for removing the waste generated by the punching needle 203. Therefore, the waste generated by the stamping can be removed in time to prevent the waste from blocking the core knife edge 4011 and causing the punching pin 203 or the core knife edge 4011 to be broken, thereby protecting the punching pin 203 and the core knife edge 4011.
  • a stripping plate supporting surface 4021 is protruded from both sides of the supporting auxiliary portion 402 for supporting the stripping plate.
  • the USB metal shell 10 is separated upward from the core 400 for convenient gripping.
  • One end of the support assisting portion 402 remote from the main body portion 401 is provided with a guiding groove 4022 for mounting an elastic device, and the elastic device abuts against the USB metal casing 10 to provide elastic force to the USB metal casing 10, and the USB metal casing 10 is reduced. Friction with the punching needle 203.
  • a protruding core pressing step 4023 is provided at one end of the support assisting portion 402 away from the main body portion 401, and the core pressing step 4023 cooperates with the core fixing seat to prevent the core 400 from being loosened.
  • the embodiment further includes an elastic device 500.
  • the elastic device 500 and the core 400 constitute a core assembly 450.
  • the elastic device 500 is disposed on the side of the core 400 for elastically abutting the bottom edge of the USB metal casing 10.
  • the elastic device 500 is mounted to the guide groove 4022.
  • the elastic device 500 includes a spring 501 and a movable punching needle 502.
  • the movable punching needle 502 includes an assembling portion 5021 and a supporting portion 5022.
  • the assembling portion 5021 is assembled into the guiding groove 4022 by a spring 501.
  • the supporting portion 5022 extends from the self-assembling portion 5021 and abuts the USB.
  • the spring 501 is received in the guiding groove 4022.
  • One end of the spring 501 abuts the movable punching needle 502, and the other end abuts against the inner wall of the guiding groove 4022 or an external component.
  • the elastic component 500 can provide the elastic force of the upper and lower movement during the punching process of the punching needle 203 and the process of pulling out from the core knife edge, eliminating the punching needle 203 during the punching process and the process of pulling out from the core knife edge.
  • the internal stresses protect the punch pin, the core knife edge and the USB metal case from excessive friction and damage or deformation.
  • the apparatus 20 further includes two support mechanisms 601 and 602 that are disposed in cooperation with the stamping mechanisms 201 and 202, respectively.
  • the support mechanism 601 is opposite to the punching mechanism 201
  • the support mechanism 602 is opposite to the punching mechanism 202.
  • Each supporting mechanism includes a supporting surface, that is, the supporting mechanism 601 includes a supporting surface 6011, and the supporting mechanism 602 includes a supporting surface 6021.
  • the support surface 6011 of the support mechanism 601 is used to provide support for the second side thereof during the stamping of the first side groove on the first side of the USB metal casing 10.
  • the support surface 6021 of the support mechanism 602 is used to provide support for the first side thereof during the stamping of the second side groove on the second side of the USB metal casing 10.
  • the support surface 6011 of the support mechanism 601 can be an outer side of the support rod 6012, that is, the second side of the USB metal casing 10 is supported by the outer side of the support rod 6012.
  • the power mechanism 6015 one end of the support rod 6012 remote from the core 400 is coupled to the power mechanism 6015, and the power structure 6015 provides forward power to the support rod 6012 to support the second side of the USB metal casing 10.
  • the power mechanism 6015 is preferably a hydraulic cylinder, and a cylinder stroke adjustable nut 6016 is disposed to adjust the stroke of the hydraulic cylinder 6015.
  • the supporting mechanism 601 is further provided with a supporting guiding seat 6013.
  • the supporting guiding seat 6013 is provided with a guiding groove 6014 for guiding the supporting rod 6012, thereby improving the supporting precision of the supporting rod 6012.
  • the supporting mechanisms 601 and 602 are provided, the supporting force of the USB metal casing 10 is increased, and the supporting force of the core 400 is also increased, thereby preventing the core 400 from being damaged.
  • the device 20 further includes two ejecting mechanisms 700 (only one is shown), and the two ejecting mechanisms 700 are disposed corresponding to the core 400.
  • the two ejection mechanisms 700 are distributed under the two cores (i.e., the first core and the second core described above) to complete the side groove punching of the first/second processing station in the USB metal casing 10. After cutting, the USB metal casing 10 is pulled up a distance in the vertical direction.
  • the ejection mechanism 700 includes an ejection cylinder 701, a jack 702 and a top plate 703.
  • the jack 702 is connected to the jacking cylinder 701 on the top plate 703.
  • the ejector cylinder 701 pushes the ram 702 so that the ejector 702 jacks up the top plate 703 on the core holder, thereby punching the side groove
  • the USB metal case is separated upwards from the core for easy gripping by the robot.
  • the USB metal casing is preferably separated upward from the core by 3.0 mm.
  • the apparatus 20 further includes a loading device 800 disposed at the loading station.
  • the loading device 800 includes a transport mechanism 801 and a material up-separating assembly 802 for transporting the processing to be processed.
  • the product this embodiment is a USB metal casing.
  • the transmission mechanism 801 includes a direct-oscillation rail 8011 and a vibrating plate 8012, wherein the vibrating plate 8012 vibrates the screening product to transport the product having the same orientation to the direct-oscillation rail 8011.
  • the direct-oscillation rails 8011 are closely aligned and transported to the USB metal casing 10.
  • the material upshift separation assembly 802 is used to move the USB metal casing 10 transported by the direct seismic track 8011 upward to facilitate the robot 101 to grasp.
  • the loading device 800 further includes a discharge slider 803 disposed at the outlet end of the direct-oscillation rail 8011 for receiving the USB metal casing 10 at the exit end of the direct-oscillation rail 8011.
  • the loading separation component 802 is mainly for moving the direct-oscillation rail 8011 or the discharge slider 803 to achieve a state in which the USB metal casing 10 is relatively moved upward. Therefore, the loading separation component 802 can be a moving mechanism.
  • the moving mechanism 802 of the embodiment is configured to move the discharge slider 803 and the direct-oscillation rail 8011 relatively up and down along the transmission direction perpendicular to the product when the product is received on the discharge slider 803, that is, the USB metal casing 10.
  • a predetermined distance causes the product on the discharge slider 803 and the product on the direct-oscillation rail 8011 to be stepped.
  • the discharge slider 803 it is preferable to move the discharge slider 803 in a direction perpendicular to the conveying direction of the product so that the product on the discharge slider 803 and the product on the direct-oscillation rail 8011 are stepped.
  • the discharge slider 803 is moved up so that the product received on the discharge slider 803 is higher than the product transmitted on the direct-oscillation rail 8011, and the product received on the discharge slider 803 is taken out after being taken away.
  • the slider 803 is moved downward to make the receiving table 8031 of the discharge slider 803 flush with or lower than the direct-oscillation rail 8011.
  • device 800 includes a slider retaining plate 804 and a mounting bracket 805.
  • the slider retaining plate 804 is coupled to the discharge slider 803 and provides a guide for movement of the discharge slider 804.
  • a guiding groove (not shown) is disposed inside the discharging slider 804, and the moving mechanism 802 drives the discharging slider 803 along The guide groove moves up and down.
  • the moving mechanism 802 and the slider fixing plate 804 are both fixedly disposed on the fixing bracket 805.
  • the moving mechanism 802 can also move the direct-oscillation rail 8011 in a direction perpendicular to the direction of transport of the product such that the product on the discharge slider 803 and the product on the direct-oscillation rail 8011 are stepped.
  • the principle is the same as that of the moving discharge slider 803, and details are not described herein again.
  • the device 800 further includes an inductor 806.
  • the sensor 806 is used to detect whether the product reaches the discharge slider 803. Specifically, it is detected whether or not a product located at the outermost end of the end portion of the direct-seismic guide rail 8011 reaches the discharge slider 803 and the product adjacent to the outermost end does not reach the discharge slider 803.
  • the moving mechanism 802 moves the discharge slider 803 and the direct-oscillation rail 8011 up and down by a predetermined distance.
  • the moving mechanism 802 is preferably a cylinder.
  • the present embodiment can separate the outermost product from other products, so that the robot can only grip the outermost product and prevent the other products from being caught, for example, adjacent to the outermost product. Further, the present invention grips the product on the stationary discharge slider 803, so that the product can be stably gripped.
  • the device further comprises a base 900, and the robot 100 and the punching mechanism 200 are both disposed on the base.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Manipulator (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

一种USB金属外壳（10）的冲切侧槽方法，其包括：将USB金属外壳（10）压入第一加工工位（A2）的第一型芯中；对USB金属外壳（10）的第一侧面进行冲压，以在第一侧面冲压出第一侧槽；将USB金属外壳（10）压入第二加工工位（A3）的第二型芯中；对USB金属外壳（10）的第二侧面进行冲压，以在第二侧面上冲压出第二侧槽，其中，第一侧面和第二侧面为USB金属外壳（10）两相对的侧面；对第二加工工位上的USB金属外壳（10）进行下料。通过上述方式，能够减少冲针和芯子刀口产生断裂的现象。还公开了使用上述方法的装置。

Description

USB金属外壳的冲切侧槽的装置及方法 【技术领域】
本发明涉及物料加工技术领域，尤其是涉及一种USB金属外壳的冲切侧槽的装置及方法。
【背景技术】
目前USB金属外壳两侧面有U型侧槽，用途是固定内部组装的塑胶件，防止塑胶件松脱。但现有的冲压过程中，通常是通过冲针从USB金属外壳的一侧面进行冲压并且穿过USB金属外壳的另一侧面，从而在两侧面上形成该U型侧槽。但该种冲压方式会产生以下缺点：
1.U型侧槽的槽孔太小，通常只有0.4mm，造成冲针单薄强度弱易断；
2.U型侧槽悬臂长0.65mm，造成芯子刀口薄弱易断；
3.USB金属外壳的材料厚度是0.15毫米，要求冲针与芯子刀口冲切配合公差是0.015mm，但冲针太小刚性减弱，在冲切过程很难保证到0.015mm的位置度。造成冲针偏离芯子刀口，冲针或者芯子刀口产生断裂。
【发明内容】
本发明主要解决的技术问题是提供一种USB金属外壳的冲切侧槽的装置及方法，用于减少冲针和芯子刀口产生断裂的现象。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种USB金属外壳的冲切侧槽的方法，该方法包括：自上料工位上抓取USB金属外壳，并将USB金属外壳压入第一加工工位的第一型芯中；在第一加工工位中，对USB金属外壳的第一侧面进行冲压，以在第一侧面冲压出第一侧槽；从第一加工工位将USB金属外壳取出，并压入第二加工工位的第二型芯中；在第二加工工位中，对USB金属外壳的第二侧面进行冲压，以在第二侧面上冲压出第二侧槽，其中，第一侧面和第二侧面为USB金属外壳两相对的侧面；对第二加工工位上的USB 金属外壳进行下料。
其中，自上料工位上抓取USB金属外壳，并将USB金属外壳压入第一加工工位的型芯中的步骤包括：自上料工位上抓取USB金属外壳，然后移动到第一加工工位中，进而将USB金属外壳放置于第一加工工位的型芯上方，然后对USB金属外壳向下施加压力，以将USB金属外壳压入第一型芯中。
其中，第一型芯上设置与第一侧槽对应的第一槽孔刀口；对USB金属外壳的第一侧面进行冲压，以在第一侧面冲压出第一侧槽的步骤包括：对USB金属外壳的第一侧面的对应第一槽孔刀口的位置进行冲压，以在第一侧面冲压出第一侧槽。
其中，对USB金属外壳的第一侧面的对应第一槽孔刀口的位置进行冲压的步骤进一步包括：在USB金属外壳的第二侧面上提供一支撑面，用来抵消冲压的力，以防止第一型芯断裂。
其中，第一型芯内设置有第一卸料通道；对USB金属外壳的第一侧面的对应第一槽孔刀口的位置进行冲压的步骤进一步包括：对第一卸料通道吹气，以卸除第一加工工位上由冲压产生的废料。
其中，从第一加工工位将USB金属外壳取出，并压入第二加工工位的型芯中的步骤包括：在第一加工工位上取出USB金属外壳，然后移动到第二加工工位上，进而将USB金属外壳放置于第二加工工位的型芯上方，然后对USB金属外壳向下施加压力，以将USB金属外壳压入第二型芯中。
其中，第二型芯上设置与第二侧槽对应的第二槽孔刀口；对USB金属外壳的第二侧面进行冲压，以在第二侧面上冲压出第二侧槽的步骤包括：对USB金属外壳的第二侧面的对应第二槽孔刀口的位置进行冲压，以在第二侧面冲压出第二侧槽。
其中，对USB金属外壳的第二侧面的对应第二槽孔刀口的位置进行冲压的步骤进一步包括：在USB金属外壳的第一侧面上提供一支撑面，用来抵消冲压的力，防止第二型芯断裂。
其中，第二型芯内设置有第二卸料通道；对USB金属外壳的第二侧面的对应第二槽孔刀口的位置进行冲压的步骤进一步包括：对第二卸料通道吹气，以卸除第二加工工位上由冲压产生的废料。
其中，对第二加工工位上的USB金属外壳进行下料的步骤包括：从第二加工工位上抓取USB金属外壳，然后移动到下料的工位，进而将USB金属外壳放置于下料装置中，以完成下料。
其中，自上料工位上抓取USB金属外壳的步骤、从第一加工工位将USB金属外壳取出的步骤以及从第二加工工位上抓取USB金属外壳的步骤同时进行。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种USB金属外壳的冲切侧槽的装置，其特征在于，装置包括三个机械手和两个冲压机构，其中，三个机械手包括第一机械手、第二机械手和第三机械手，两个冲压机构包括第一冲压机构和第二冲压机构，其中：第一机械手，用于自上料工位抓取USB金属外壳，并将USB金属外壳压入第一加工工位的第一型芯中；第一冲压机构，用于在第一加工工位中，对USB金属外壳的第一侧面进行冲压，以在第一侧面冲压出第一侧槽；第二机械手，用于从第一加工工位将USB金属外壳取出，并压入第二加工工位的第二型芯中；第二冲压机构，用于在第二加工工位中，对USB金属外壳的第二侧面进行冲压，以在第二侧面上冲压出第二侧槽，其中，第一侧面和第二侧面为USB金属外壳两相对的侧面；第三机械手，用于对第二加工工位上的USB金属外壳进行下料。
其中，装置进一步包括移动机构，机械手包括气抓；移动机构用于沿水平方向移动机械手；气抓用于抓取或释放USB金属外壳。
其中，第一/第二机械手进一步包括压杆和冲压气缸，冲压气缸用于在USB金属外壳释放至第一/第二型芯上时驱动压杆对USB金属外壳沿竖直方向施加向下的压力，以将USB金属外壳压入第一/第二型芯上。
其中，第一冲压机构包括第一冲针和第一型芯，第一型芯设置有与第一冲 针的针尖正对的第一槽孔刀口；第二冲压机构包括第二冲针和第二型芯，第二型芯设置有与第二冲针的针尖正对的第二槽孔刀口。
其中，第一/第二型芯中空设置有连通第一/第二槽孔刀口的卸料通道，压杆上进一步设置吹气孔，吹气孔用于在卸料通道中进入废料时对其吹气以排出废料。
其中，装置进一步包括两支撑机构，每一支撑机构均包括一支撑面，两支撑机构包括第一支撑机构和第二支撑机构，第一支撑机构与第一冲压机构正对，第一支撑机构的支撑面用于在USB金属外壳的第一侧面冲压第一侧槽的过程中为其第二侧面提供支撑；第二支撑机构与第二冲压机构正对，第二支撑机构的支撑面用于在USB金属外壳的第二侧面冲压第二侧槽的过程中为其第一侧面提供支撑。
其中，第一冲压机构和第二冲压机构分布与装置的两侧，以从相对的方向对USB金属外壳进行冲切侧槽。
其中，装置进一步包括两顶出机构，两顶出机构分布位于第一型芯和第二型芯的下方，以在USB金属外壳完成第一/第二加工工位的侧槽冲切后将USB金属外壳沿竖直方向向上顶出一段距离。
其中，装置进一步包括设置于上料工位的上料机构，上料机构包括直震轨道和物料上移分离组件，直震轨道用于紧密排列及输送USB金属外壳，物料上移分离组件用于将由直震轨道输送的待取物料进行上移以方便第一机械手抓取。
其中，装置进一步包括底座，机械手和冲压机构均设置于底座上。
本发明的有益效果是：区别于现有技术的情况，本发明提供了一种USB金属外壳的冲切侧槽的方法，该方法具体为：自上料工位上抓取USB金属外壳，并将USB金属外壳压入第一加工工位的第一型芯中；在所述第一加工工位中，对所述USB金属外壳的第一侧面进行冲压，以在所述第一侧面冲压出第一侧槽；从所述第一加工工位将所述USB金属外壳取出，并压入第二加工工位的第二型 芯中；在所述第二加工工位中，对所述USB金属外壳的第二侧面进行冲压，以在所述第二侧面上冲压出第二侧槽，其中，所述第一侧面和所述第二侧面为所述USB金属外壳两相对的侧面；对所述第二加工工位上的USB金属外壳进行下料。通过本发明的两侧面分开冲压的方式，减少了冲压时冲针的冲程，从而减少冲针和芯子刀口产生断裂的现象。
【附图说明】
图1是本发明实施例提供的一种USB金属外壳的结构示意图；
图2是本发明实施例提供的一种USB金属外壳的冲切侧槽的方法的流程图；
图3是本发明实施例提供的一种上料方法的流程图；
图4是本发明实施例提供的一种USB金属外壳的冲切侧槽的装置的结构示意图；
图5是本发明实施例提供的一种机械手组件的一结构示意图；
图6是本发明实施例提供的一种机械手组件的另一结构示意图；
图7是本发明实施例提供的机械手的压杆的结构示意图；
图8是本发明实施例提供的冲压机构的一结构示意图；
图9是本发明实施例提供的冲针的结构示意图；
图10是本发明实施例提供的冲压机构的另一结构示意图；
图11是本发明实施例提供的一种型芯的结构示意图；
图12是本发明实施例提供的一种型芯组件的结构示意图；
图13是图8中的圆圈部分的放大图；
图14是本发明实施例提供的一种上料装置的结构示意图；
图15是本发明实施例提供的上料装置的传输机构的结构示意图。
【具体实施方式】
请参阅图1，图1是本发明实施例提供的一种USB金属外壳，该USB金属外壳进行了侧冲槽。如图1所示，USB金属外壳10包括两个平行的侧面，以下命名为第一侧面和第二侧面，图中只显示其中一个侧面，其中，两个侧面的结构完全相同。如图1所示，侧面11上设置有侧冲槽12。该侧冲槽12为U型槽。本发明提供了以下实施例来介绍冲压该侧冲槽12的方法和装置。
请参阅图2，图2为本发明实施例提供的冲切侧槽的方法的流程图。如图2所示，本实施例的方法包括：
步骤S1：自上料工位上抓取USB金属外壳，并将USB金属外壳压入第一加工工位的第一型芯中。
具体为：自上料工位上抓取USB金属外壳，然后移动到第一加工工位中，进而将USB金属外壳放置于第一加工工位的第一型芯上方，然后对USB金属外壳向下施加压力，以将USB金属外壳压入第一型芯中。
其中，在本步骤之前，还包括了一上料步骤，该上料步骤的目的是将USB金属外壳提供到上料工位上。具体的上料方法请参阅图3所示，该上料方法为：
步骤S11：将经过筛选的产品输送到直震导轨上，其中，在直震导轨上的产品依次紧密排列。可以理解的是，本实施例所述的产品优选为前文所述的USB金属外壳10。
步骤S12：当产品输送至直震导轨的出口端时，产品从直震导轨进入出料滑块。
步骤S13：在出料滑块上承接产品时，将出料滑块和直震导轨相对上下移动一预设距离，使得直震导轨上的产品和出料滑块上的产品呈台阶状以供机械手进行抓取。
其中，本实施例还进一步检测出料滑块是否承接到产品，并在检测的结果为是时，将出料滑块和直震导轨相对上下移动一预设距离。
具体检测方法为：检测位于直震导轨的端部的最外端的一个产品是否到达 出料滑块而邻接最外端的产品是否未到达出料滑块，也就是说，本实施例检测的是是否仅有最外端的产品，即USB金属外壳到达出料滑块。并在检测的结果为是时，将出料滑块和直震导轨相对上下移动一预设距离。更具体的，本实施例优选为利用气缸将出料滑块相对于直震导轨向上移动一预设距离。也就是说，利用汽缸对出料滑块作用，如，向上顶起出料滑块，使出料滑块向上移动一预设距离。其中，该预设距离优选为10毫米。因此，本实施例能够将最外端的产品和其他产品进行分离，方便机械手只对最外端的产品进行夹取，防止夹到其他产品，例如邻接最外端的产品。此外，本发明是在静止的出料滑块上对产品进行夹取，因此能够稳定的夹取产品。
可以理解的是，还可以通过汽缸或其他动力机构对直震导轨作用，使得直震导轨相对于出料滑块相对于向下移动一预设距离。
步骤S2：在第一加工工位中，对USB金属外壳的第一侧面进行冲压，以在第一侧面冲压出第一侧槽。
其中，第一型芯上设置与第一侧槽对应的第一芯子刀口。
本步骤中，具体为对USB金属外壳的第一侧面的对应第一芯子刀口的位置进行冲压，以在第一侧面冲压出第一侧槽。
进一步的，在USB金属外壳的第二侧面上提供一支撑面，用来抵消冲压的力，以防止第一型芯断裂。
更进一步的，第一型芯内设置有第一卸料通道，并且该第一卸料通道与第一芯子刀口相通，使得第一芯子刀口上产生的废料可以通过第一卸料通道卸除。本步骤在冲压第一侧槽后还对第一卸料通道吹气，以卸除第一加工工位上由冲压产生的废料。
步骤S3：从第一加工工位将USB金属外壳取出，并压入第二加工工位的第二型芯中。
本步骤中，具体为在第一加工工位上取出USB金属外壳，然后移动到第二加工工位上，进而将USB金属外壳放置于第二加工工位的第二型芯上方，然后 对USB金属外壳向下施加压力，以将USB金属外壳压入第二型芯中。
步骤S4：在第二加工工位中，对USB金属外壳的第二侧面进行冲压，以在第二侧面上冲压出第二侧槽，其中，第一侧面和第二侧面为USB金属外壳两相对的侧面。
第二型芯上设置与第二侧槽对应的第二芯子刀口。
本步骤中，具体为对USB金属外壳的第二侧面的对应第二芯子刀口的位置进行冲压，以在第二侧面冲压出第二侧槽。
进一步的，在USB金属外壳的第一侧面上提供一支撑面，用来抵消冲压的力，防止第二型芯断裂。
更进一步的，第二型芯内设置有第二卸料通道，并且该第二卸料通道与第二芯子刀口相通，使得第二芯子刀口上产生的废料可以通过第二卸料通道卸除。在冲压出第二侧槽后进一步对第二卸料通道吹气，以卸除第二加工工位上由冲压产生的废料。
步骤S5：对第二加工工位上的USB金属外壳进行下料。
本步骤中，具体为从第二加工工位上抓取USB金属外壳，然后移动到下料工位，进而将USB金属外壳放置于下料装置中，以完成下料。
本实施例中，步骤S1、步骤S3以及步骤S5是同时进行的。由此可以使得不同工位上的USB金属外壳可以同步从所在工位移动到下一个工位，从而保证作业的顺利进行，并且防止损毁USB金属外壳以及制造模具。
因此，本实施例通过两次分别在两侧面对USB金属外壳进行侧冲压来得到两个侧冲槽，减少了冲压时冲针的冲程，保证冲针与芯子刀口之间的精度，从而减少冲针和芯子刀口产生断裂的现象。
本发明实施例还提供了一种USB金属外壳的冲切侧槽的装置，请参阅图4。该装置20包括三个机械手100和两个冲压机构200，其中，三个机械手100包括第一机械手101、第二机械手102和第三机械手103，两个冲压机构200包括第一冲压机构201和第二冲压机构202。
其中，第一机械手101用于自上料工位A1抓取USB金属外壳10，并将USB金属外壳10压入第一加工工位A2的第一型芯(图中未显示，后文将详述)中。
第一冲压机构102用于在第一加工工位A2中，对USB金属外壳10的第一侧面进行冲压，以在第一侧面冲压出第一侧槽。
第二机械手102用于从第一加工工位A2将USB金属外壳10取出，并压入第二加工工位A2的第二型芯(图中未显示，后文将详述)中。
第二冲压机构202用于在第二加工工位A3中，对USB金属外壳10的第二侧面进行冲压，以在第二侧面上冲压出第二侧槽，其中，第一侧面和第二侧面为USB金属外壳10两相对的侧面。
第三机械手103用于对第二加工工位A3上的USB金属外壳10进行下料。
本实施例中，USB金属外壳的冲切侧槽的装置20对USB金属外壳10进行移动优选是通过机械手组件来实现的。具体而言，USB金属外壳的冲切侧槽的装置20包括机械手组件300，机械手组件300包括移动机构301和前文所述的三个机械手100。机械手100设置于移动机构301上。其中，三个机械手可以采用相同结构的机械手。
请一并参阅图5所示，移动机构301用于沿水平方向移动机械手100。具体的，移动机构301包括驱动件302、滑轨306(图5未示，如图6所示)和滑动设置于滑轨306上的滑动件303，驱动件302用于驱动滑动件303相对滑轨306沿水平方向平移。三个机械手101-103间隔固定设置于滑动件303上。
本实施例中，驱动件302为电机。在其他实施例中，驱动件302也可以为气缸，如图6所示的驱动件302即为气缸。
由于三个机械手101-103的结构可以完全相同，因此本实施例以其中一个机械手103进行详述。如图5所示，机械手103包括固定元件104和设置于固定元件104上的气抓105、压杆106和第一气缸107。气抓105用于抓取或释放USB金属外壳。压杆106设置于气抓105的一侧，具体为靠近第一气缸107的一侧。第一气缸107用于在USB金属外壳10释放至型芯上时驱动压杆106对 USB金属外壳10沿竖直方向施加向下的压力以将USB金属外壳10压入型芯上。
本实施例中，第一气缸107为压紧USB金属外壳10，使得USB金属外壳10能够对准型芯，并且对USB金属外壳10冲压到型芯上，因此，第一气缸107又为冲压气缸。
其中，机械手103进一步包括第二气缸108，第二气缸108滑动设置于移动的滑轨306上且连接固定元件104，第二气缸108用于沿竖直方向驱动固定元件104，使得通过固定元件104带动气抓105上下移动。
本实施例中，第二气缸108为对固定元件104进行上下移动，因此，第二气缸108又为移动气缸。
请一并参阅图7，压杆106外接气管，具体为设置有一气管孔1065，气管孔1065外接气管。压杆106上还设置吹气孔1061，吹气孔1061通过一气流通道1066与气管孔1065连通，外界的气管提供的高压气源通过吹气孔1061对型芯的卸料通道吹气。
其中，压杆包括连接部1062、导引部1063和压接部1064。导引部1063连接连接部1062和压接部1064，连接部1062连接第一气缸107，固定元件104为导引部1063提供导向面，压接部1064用于压接USB金属外壳10。
在其他实施例中，由于机械手103位于第二加工工位A3上，仅对第二加工工位A3上的USB金属外壳10进行下料，因此，为了节省材料，机械手103可以省略压杆106和第一气缸107的设置。也就是说，压杆106和第一气缸107可以仅设置在机械手101和102上。
请再参阅图5和图6，移动机构301进一步包括两限位件304，每一限位件304设置于滑轨306的外侧以限制滑动件303的行程。
其中，机械手组件300进一步包括固定支架305，移动机构301设置于固定支架305上，且固定支架305用于将机械手组件固定至机台桌面。
本实施例中，设置了三个机械手101-103，实现快速从上料工位A1上夹取产品，并通过驱动件302、第一气缸107以及第二气缸108等把USB金属外壳 10放入型芯上，三个工位S1——A3是同时动作，效率高。进一步的，还可以对型芯进行吹气，防止了冲压产生的废料堵住型芯，从而进一步防止冲针断裂。
以上介绍的是机械手及其组件的结构，以下将介绍冲针机构的结构：
请一并参阅图8，本实施例中，第一冲针机构201和第二冲针机构202分布于装置20的两侧，以从相对的方向对USB金属外壳10进行冲切侧槽。其中，第一冲针机构201和第二冲针机构202除了位置的不同外，其结构完全相同，且均为本实施例的冲针组件。因此本实施例将以介绍冲针组件的形式来介绍第一冲针机构201和第二冲针机构202。
请一并参阅图9和图10，冲针组件200’包括冲针203、固定机构204以及顶推机构205。其中，冲针203包括针头2031、主体部2032和固定部2033。主体部2032连接针头2031和固定部2033，针头2031用于对冲切产品开槽，即对USB金属外壳10进行开槽。本实施例中，针头2031设置为U型槽形状，其U槽尺寸为0.4毫米。为了提高冲针203的强度，其材质采用skh-9料，并通过PG(光学研磨)制造。
冲针203的主体部2032包括加强臂2035和过渡段2034，加强臂2035的厚度和宽度大于针头2031。过渡段2034光滑连接加强臂2035和针头2031，即过渡段2034自针头2031向加强臂2035的方向逐渐增大。由于冲针203的针头2031的尺寸太小，其强度很低，不能承受太大的冲击力，因此本实施例通过加强臂2035来加强承受的冲击力，使得针头2031能够顺利进行冲压操作。
固定部2033用于固定冲针203。具体的，固定机构204设置相互连通的第一开槽2411、第二开槽2412和导向孔2413。其中，第二开槽2412位于第一开槽2411和导向孔2413之间且宽度最大，冲针203的固定部2033设置于第二开槽2412中，导向孔2413用于对冲针203的主体部2032起导向作用。因此，本发明将冲针203装在固定机构204中，能够对冲针203进行导向作用，并且可以加强冲针203的刚性，从而提高冲针的精度和强度。
其中，固定部2033的宽度大于第一开槽2411的宽度，固定机构204包括 冲针底板2414和冲针固定板2415，第一开槽2411设置于冲针底板2414上，第二开槽2412和导向孔2413设置于冲针固定板2415上。
其中，冲针组件200’进一步包括弹簧207，弹簧207套设于冲针203的主体部2032上，弹簧207的一端抵接冲针203的固定部2033，另一端抵接第二开槽2412的内壁，且弹簧207始终处于压缩状态。由此，可以向冲针203提供一个始终向第一开槽2411的方向的推力，从而有效的防止针头2031在未进行冲压的情况下往型芯的方向移动而冲断的现象。
在其他实施例中，还可以设置弹簧207的一端固定在冲针203的固定部2033的外侧臂上，另一端固定在冲针底板2414的靠近固定部2033的一内侧壁上，并且弹簧207始终处于拉伸状态，同样可以防止针头2031在未进行冲压的情况下往型芯的方向移动而冲断的现象。
其中，冲针组件200’进一步包括冲针导向座206，导向座206上设置导向孔2061，冲针203的针头穿过导向孔2061后对产品进行开槽。导向座206导正冲针203向前运动，防止冲针203在受力过程中出现震动造成冲针203位置偏差。因此，提高了冲针203的精度。从而防止了冲针203或者芯子刀口断裂。
顶推机构205其包括顶推部2051，顶推部2051用于伸入第一开槽2411中进而推动冲针203的固定部2033使得冲针203冲击产品的侧壁进而在产品的侧壁上开设与针头2031的形状一致的开槽。
其中，顶推机构205包括压力滑块2052，压力滑块2052包括顶推部2053和连接部2054，连接部2054用于连接冲针动力机构。其中，冲针动力机构例如可以为液压油缸。
进一步的，压力滑块2052进一步包括导向部2055，导向部2055连接顶推部2053和连接部2054，冲针组件200’进一步包括滑块导向板208，滑块导向板208设置导向通孔2081，压力滑块2052的导向部2055在导向通孔2081中滑动。
冲针组件200’进一步包括固定底座209，固定机构204设置于固定底座209上。
其中，冲针组件200’进一步包括型芯400，型芯400用于固定产品。其中，型芯上设置与针头2031位置对应且规格一致的刀口。
其中，本实施例前文所述的第一型芯和第二型芯的结构完全相同，因此，后文将以介绍型芯的方式来介绍前文所述的第一型芯和第二型芯。
请一并参阅图11，型芯400包括主体部401和与主体部401连接的支撑辅助部402。
其中，主体部401用于与USB金属外壳10嵌套。主体部401的至少一侧面设置有芯子刀口4011，芯子刀口4011与冲针203作用来冲切出USB金属外壳10的侧槽。本实施例中，主体部401在两侧面均设置有芯子刀口4011，其中两侧面为相对的侧面。在其他实施例中，也可以设置为只有一侧面设置芯子刀口4011。在冲切过程中，将设置有芯子刀口4011的一侧面设置与冲针203正对，以提供给冲针203进行冲槽。
进一步的，主体部401的远离支撑辅助部402的一端设置有吹气口4012，用于接收高压气体。可以理解的是，该高压气体优选为从前文所述的压杆106的吹起孔1061中接收。
主体部401的远离支撑辅助部402的一端进一步设置有压料台阶面4013，压料台阶面4013设置在出气口4012的两端，并且与吹气口4012齐平设置，用于承接压料治具。
在压料台阶面4013的远离吹气口4012的两端均设置有侧槽高度定位台阶4014。其中侧槽高度定位台阶4014与压料台阶面4013呈阶梯状设置，其中，从主体部401向所述支撑辅助部402的方向观察，侧槽高度定位台阶4014低于压料台阶面4013。优选的，侧槽高度定位台阶4014与压料台阶面4013的高度差等于USB金属外壳的壳厚。由于设置了侧槽高度定位台阶4014，因此在将USB金属外壳10压入型芯400中时，可以防止压力过大时使USB金属外壳10外退，使得USB金属外壳10更贴紧型芯400。
主体部401和支撑辅助部402的内部还设置有连通的卸料通道403，并且卸 料通道403分别与芯子刀口4011和吹气口4012相通，用于卸除冲针203冲切产生的废料。因此，能够及时将冲压产生的废料卸除，避免废料堵住芯子刀口4011而使得冲针203或芯子刀口4011产生断裂，从而保护冲针203和芯子刀口4011。
支撑辅助部402的两侧突出设置有脱料板支撑面4021，用于支撑脱料板，脱料板向上运动时把USB金属外壳10向上脱离型芯400，方便夹取。
支撑辅助部402的远离主体部401的一端设置有导向槽4022，导向槽4022用于安装弹性装置，弹性装置与USB金属外壳10抵接，以提供弹力给USB金属外壳10，减少USB金属外壳10与冲针203的摩擦力。其中，导向槽4022为两个，分别设置在支撑辅助部402的两个对立的侧面上。
在支撑辅助部402的远离主体部401的一端设置有突出的型芯压紧台阶4023，型芯压紧台阶4023与型芯固定座配合来防止型芯400松动。其中，型芯压紧台阶4023为两个，分别设置在支撑辅助部402的两个对立的侧面上。
进一步的，本实施例还包括了弹性装置500，请一并参阅图12，该弹性装置500和型芯400组成了型芯组件450。其中弹性装置500设置于型芯400的侧边用于弹性抵接USB金属外壳10的底边。具体的，弹性装置500安装至导向槽4022。弹性装置500包括弹簧501和活动冲针502，活动冲针502包括组装部5021和支撑部5022，组装部5021通过弹簧501组装至导向槽4022中，支撑部5022自组装部5021延伸且抵接USB金属外壳10的底边。
弹簧501收容于导向槽4022中，弹簧501的一端抵接活动冲针502，另一端抵接导向槽4022的内壁或者外部元件。弹性组件500由于弹性作用，可以在冲针203在冲槽过程中和从芯子刀口拔出过程中提供上下活动的弹力，消除冲针203在冲槽过程中和从芯子刀口拔出过程中的内应力，从而保护冲针、芯子刀口和USB金属外壳免受过大的摩擦力而损坏或变形。
以上从机械手、冲压机构和型芯方面介绍了如何对USB金属外壳进行冲压。以下将介绍在冲压过程中的辅助结构和下料机构。
请再参阅图4和图8，装置20进一步包括两支撑机构601和602，支撑机构601和602分别与冲压机构201和202配合设置。具体的，支撑机构601与冲压机构201正对，支承机构602与冲压机构202正对。每一支撑机构均包括一支撑面，即支撑机构601包括支撑面6011，支撑机构602包括支撑面6021。支撑机构601的支撑面6011用于在USB金属外壳10的第一侧面冲压第一侧槽的过程中为其第二侧面提供支撑。支撑机构602的支撑面6021用于在USB金属外壳10的第二侧面冲压第二侧槽的过程中为其第一侧面提供支撑。
由于两个支承机构的结构完全相同，因此在此举例详述其中一个支承机构601。如图8所示，支承机构601的支承面6011可为支撑杆6012的一外侧面，即通过支撑杆6012的外侧面来支承USB金属外壳10的第二侧面。具体的，支撑杆6012的远离型芯400的一端连接动力机构6015，动力结构6015向支撑杆6012提供向前的动力来支承USB金属外壳10的第二侧面。
本实施例中，动力机构6015优选为液压油缸，并且配置了油缸行程可调螺母6016来对液压油缸6015的行程来进行调节。
进一步的，支承机构601还设置了支承导向座6013，支承导向座6013开设有导向槽6014，用于对支撑杆6012进行导向，从而提高支撑杆6012的支承精度。
本实施例中，由于提供了支承机构601和602，因此增加了USB金属外壳10的支撑力，也提高了型芯400的支承力，从而防止型芯400损坏。
其中，装置20进一步包括两顶出机构700(图中仅示出一个)，两顶出机构700与型芯400对应设置。两个顶出机构700分布位于两个型芯(即前文所述的第一型芯和第二型芯)的下方，以在USB金属外壳10完成第一/第二加工工位的侧槽冲切后将USB金属外壳10沿竖直方向向上顶出一段距离。
具体的，请一并参阅图8和图13，顶出机构700包括顶出气缸701、顶杆702和顶板703。其中顶杆702连接顶出气缸701于顶板703。顶出气缸701推动顶杆702，使得顶杆702把型芯固定座上的顶板703顶起，从而把冲切好侧槽 的USB金属外壳向上与型芯分离，方便机械手夹取。本实施例中，优选将USB金属外壳向上与型芯分离3.0毫米。
请一并参阅图14和图15，装置20进一步包括设置于上料工位的上料装置800，上料装置800包括传输机构801和物料上移分离组件802，传输机构801用于输送待加工的产品，本实施例为USB金属外壳。具体的，传输机构801包括直震导轨8011和振动盘8012，其中，振动盘8012振动筛选产品，以将具有相同朝向的产品传输至直震导轨8011。直震导轨8011紧密整齐排列及输送USB金属外壳10。
物料上移分离组件802用于将由直震轨道8011输送的USB金属外壳10进行上移以方便机械手101抓取。本实施例中，上料装置800还进一步包括出料滑块803，设置在直震轨道8011的出口端，用于承接直震轨道8011出口端的USB金属外壳10。其中，上料分离组件802主要是通过移动直震轨道8011或者出料滑块803以达到USB金属外壳10相对上移的状态，因此，上料分离组件802又可为移动机构。
具体而言，本实施例的移动机构802用于在出料滑块803上承接产品，即USB金属外壳10时沿垂直于产品的传输方向将出料滑块803和直震导轨8011相对上下移动一预设距离，使出料滑块803上的产品和直震导轨8011上的产品呈台阶状分布。
其中，优选沿垂直于产品的传输方向移动出料滑块803使出料滑块803上的产品和直震导轨8011上的产品呈台阶状分布。
具体为，将出料滑块803上移使出料滑块803上承接的产品高于直震导轨8011上传输的产品，且在出料滑块803上承接的产品被取走后将出料滑块803下移使出料滑块803的承接台8031与直震导轨8011平齐或低于直震导轨8011。
更具体的，装置800包括滑块固定板804和固定支架805。滑块固定板804与出料滑块803相连接，且为出料滑块804的移动提供导轨。具体的，在出料滑块804的内部设置有一导向槽(图未示)，移动机构802驱动出料滑块803沿 着导向槽上下运动。移动机构802和滑块固定板804均固定设置于固定支架805上。
在其他实施例中，移动机构802还可以沿垂直于产品的传输方向移动直震导轨8011使出料滑块803上的产品和直震导轨8011上的产品呈台阶状分布。其原理与移动出料滑块803的相同，在此不再赘述。
本实施例中，装置800还包括感应器806。感应器806用于检测产品是否到达出料滑块803。具体是检测位于直震导轨8011的端部的最外端的一个产品是否到达出料滑块803而邻接最外端的产品是否未到达出料滑块803。移动机构802在感应器806检测的结果为是时，将出料滑块803和直震导轨8011相对上下移动一预设距离。其中，移动机构802优选为气缸。
因此，本实施例能够将最外端的产品和其他产品进行分离，方便机械手只对最外端的产品进行夹取，防止夹到其他产品，例如邻接最外端的产品。此外，本发明是在静止的出料滑块803上对产品进行夹取，因此能够稳定的夹取产品。
其中，装置进一步包括底座900，机械手100和冲压机构200均设置于底座上。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (21)

  1. 一种USB金属外壳的冲切侧槽的方法，其特征在于，所述方法包括：
    自上料工位上抓取USB金属外壳，并将所述USB金属外壳压入第一加工工位的第一型芯中；
    在所述第一加工工位中，对所述USB金属外壳的第一侧面进行冲压，以在所述第一侧面冲压出第一侧槽；
    从所述第一加工工位将所述USB金属外壳取出，并压入第二加工工位的第二型芯中；
    在所述第二加工工位中，对所述USB金属外壳的第二侧面进行冲压，以在所述第二侧面上冲压出第二侧槽，其中，所述第一侧面和所述第二侧面为所述USB金属外壳两相对的侧面；
    对所述第二加工工位上的USB金属外壳进行下料。
  2. 根据权利要求1所述的方法，其特征在于，所述自上料工位上抓取USB金属外壳，并将所述USB金属外壳压入第一加工工位的第一型芯中的步骤包括：
    自上料工位上抓取所述USB金属外壳，然后移动到所述第一加工工位中，进而将所述USB金属外壳放置于所述第一加工工位的第一型芯上方，然后对所述USB金属外壳向下施加压力，以将所述USB金属外壳压入所述第一型芯中。
  3. 根据权利要求2所述的方法，其特征在于，所述第一型芯上设置与所述第一侧槽对应的第一芯子刀口；
    所述对所述USB金属外壳的第一侧面进行冲压，以在所述第一侧面冲压出第一侧槽的步骤包括：
    对所述USB金属外壳的第一侧面的对应所述第一芯子刀口的位置进行冲压，以在所述第一侧面冲压出所述第一侧槽。
  4. 根据权利要求3所述的方法，其特征在于，所述对所述USB金属外壳的第一侧面的对应所述第一芯子刀口的位置进行冲压的步骤进一步包括：
    在所述USB金属外壳的第二侧面上提供一支撑面，用来抵消冲压的力，以防止所述第一型芯断裂。
  5. 根据权利要求4所述的方法，其特征在于，所述第一型芯内设置有第一卸料通道；
    所述对所述USB金属外壳的第一侧面的对应所述第一芯子刀口的位置进行冲压的步骤进一步包括：
    对所述第一卸料通道吹气，以卸除所述第一加工工位上由冲压产生的废料。
  6. 根据权利要求1所述的方法，其特征在于，所述从所述第一加工工位将所述USB金属外壳取出，并压入第二加工工位的第二型芯中的步骤包括：
    在所述第一加工工位上取出所述USB金属外壳，然后移动到所述第二加工工位上，进而将所述USB金属外壳放置于所述第二加工工位的第二型芯上方，然后对所述USB金属外壳向下施加压力，以将所述USB金属外壳压入所述第二型芯中。
  7. 根据权利要求6所述的方法，其特征在于，所述第二型芯上设置与所述第二侧槽对应的第二芯子刀口；
    所述对所述USB金属外壳的第二侧面进行冲压，以在所述第二侧面上冲压出第二侧槽的步骤包括：
    对所述USB金属外壳的第二侧面的对应所述第二芯子刀口的位置进行冲压，以在所述第二侧面冲压出所述第二侧槽。
  8. 根据权利要求7所述的方法，其特征在于，所述对所述USB金属外壳的第二侧面的对应所述第二芯子刀口的位置进行冲压的步骤进一步包括：
    在所述USB金属外壳的第一侧面上提供一支撑面，用来抵消冲压的力，防止所述第二型芯断裂。
  9. 根据权利要求8所述的方法，其特征在于，所述第二型芯内设置有第二卸料通道；
    所述对所述USB金属外壳的第二侧面的对应所述第二芯子刀口的位置进行 冲压的步骤进一步包括：
    对所述第二卸料通道吹气，以卸除所述第二加工工位上由冲压产生的废料。
  10. 根据权利要求1所述的方法，其特征在于，所述对所述第二加工工位上的USB金属外壳进行下料的步骤包括：
    从所述第二加工工位上抓取所述USB金属外壳，然后移动到所述下料工位，进而将所述USB金属外壳放置于下料装置中，以完成下料。
  11. 根据权利要求10所述的方法，其特征在于，所述自上料工位上抓取USB金属外壳的步骤、所述从所述第一加工工位将所述USB金属外壳取出的步骤以及所述从所述第二加工工位上抓取所述USB金属外壳的步骤同时进行。
  12. 一种USB金属外壳的冲切侧槽的装置，其特征在于，所述装置包括三个机械手和两个冲压机构，其中，所述三个机械手包括第一机械手、第二机械手和第三机械手，两个冲压机构包括第一冲压机构和第二冲压机构，
    第一机械手，用于自上料工位抓取USB金属外壳，并将所述USB金属外壳压入第一加工工位的第一型芯中；
    第一冲压机构，用于在所述第一加工工位中，对所述USB金属外壳的第一侧面进行冲压，以在所述第一侧面冲压出第一侧槽；
    第二机械手，用于从所述第一加工工位将所述USB金属外壳取出，并压入第二加工工位的第二型芯中；
    第二冲压机构，用于在所述第二加工工位中，对所述USB金属外壳的第二侧面进行冲压，以在所述第二侧面上冲压出第二侧槽，其中，所述第一侧面和所述第二侧面为所述USB金属外壳两相对的侧面；
    第三机械手，用于对所述第二加工工位上的USB金属外壳进行下料。
  13. 根据权利要求12所述的装置，其特征在于，所述装置进一步包括移动机构，所述机械手包括气抓；
    所述移动机构用于沿水平方向移动所述机械手，所述气抓用于抓取或释放所述USB金属外壳。
  14. 根据权利要求13所述的装置，其特征在于，所述第一/第二机械手进一步包括压杆和冲压气缸，所述冲压气缸用于在所述USB金属外壳释放至所述第一/第二型芯上时驱动所述压杆对所述USB金属外壳沿竖直方向施加向下的压力，以将所述USB金属外壳压入所述第一/第二型芯上。
  15. 根据权利要求14所述的装置，其特征在于，所述第一冲压机构包括第一冲针和所述第一型芯，所述第一型芯设置有与所述第一冲针的针头正对的第一芯子刀口；所述第二冲压机构包括第二冲针和所述第二型芯，所述第二型芯设置有与所述第二冲针的针头正对的第二芯子刀口。
  16. 根据权利要求15所述的装置，其特征在于，所述第一/第二型芯中空设置有连通所述第一/第二芯子刀口的卸料通道，所述压杆上进一步设置吹气孔，所述吹气孔用于在所述卸料通道中进入废料时对其吹气以排出所述废料。
  17. 根据权利要求14所述的装置，其特征在于，所述装置进一步包括两支撑机构，每一所述支撑机构均包括一支撑面，两所述支撑机构包括第一支撑机构和第二支撑机构，所述第一支撑机构与所述第一冲压机构正对，所述第一支撑机构的支撑面用于在所述USB金属外壳的第一侧面冲压所述第一侧槽的过程中为其所述第二侧面提供支撑；所述第二支撑机构与所述第二冲压机构正对，所述第二支撑机构的支撑面用于在所述USB金属外壳的第二侧面冲压所述第二侧槽的过程中为其所述第一侧面提供支撑。
  18. 根据权利要求12所述的装置，其特征在于，所述第一冲压机构和所述第二冲压机构分布于所述装置的两侧，以从相对的方向对所述USB金属外壳进行冲切侧槽。
  19. 根据权利要求12所述的装置，其特征在于，所述装置进一步包括两顶出机构，两所述顶出机构分布位于所述第一型芯和所述第二型芯的下方，以在所述USB金属外壳完成所述第一/第二加工工位的侧槽冲切后将所述USB金属外壳沿竖直方向向上顶出一段距离。
  20. 根据权利要求12所述的装置，其特征在于，所述装置进一步包括设置 于所述上料工位的上料机构，所述上料机构包括直震轨道和物料上移分离组件，所述直震轨道用于紧密排列及输送所述USB金属外壳，所述物料上移分离组件用于将由直震轨道输送的待取物料进行上移以方便所述第一机械手抓取。
  21. 根据权利要求12所述的装置，其特征在于，所述装置进一步包括底座，所述机械手和所述冲压机构均设置于所述底座上。
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