WO2022247237A1 - 高速智能裁断加工中心以及更换刀模板的方法 - Google Patents

高速智能裁断加工中心以及更换刀模板的方法 Download PDF

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Publication number
WO2022247237A1
WO2022247237A1 PCT/CN2021/138071 CN2021138071W WO2022247237A1 WO 2022247237 A1 WO2022247237 A1 WO 2022247237A1 CN 2021138071 W CN2021138071 W CN 2021138071W WO 2022247237 A1 WO2022247237 A1 WO 2022247237A1
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WO
WIPO (PCT)
Prior art keywords
plate
knife
cylinder
template
die
Prior art date
Application number
PCT/CN2021/138071
Other languages
English (en)
French (fr)
Inventor
童惠忠
王文寅
王卸斌
童俊翔
童孝忠
Original Assignee
衢州台威精工机械有限公司
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 衢州台威精工机械有限公司 filed Critical 衢州台威精工机械有限公司
Priority to EP21942800.0A priority Critical patent/EP4201614A4/en
Publication of WO2022247237A1 publication Critical patent/WO2022247237A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/08—Means for treating work or cutting member to facilitate cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H3/00—Storage means or arrangements for workshops facilitating access to, or handling of, work tools or instruments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2614—Means for mounting the cutting member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
    • B26F1/405—Travelling head presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D2007/2607—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member for mounting die cutters

Definitions

  • the invention belongs to the technical field of intelligent cutting equipment, and in particular relates to a high-speed intelligent cutting machining center and a method for replacing a knife template.
  • the cutting machine needs to frequently replace the cutting dies according to the cutting style, and the cutting dies are generally set on the die plate.
  • Most of the existing cutting machines use manual replacement of the knife template, which not only takes a long time to replace and is inefficient, but also has poor position repeatability after the replacement of the knife template, and the dimensional accuracy of the cut product is low.
  • a rack and pinion mechanism is used to replace the knife template.
  • the tool change template mechanism has several defects: 1.
  • the tool change template mechanism is located on the side of the cutting machine and occupies a large area. , the horizontal movement distance is long, and the structure is unstable; 2.
  • the working panel Before the tool change template mechanism changes the tool mold, the working panel needs to be rotated 90°, and the knife template must be turned horizontal to change the tool.
  • the structure is complex and prone to failure; 3.
  • the rack and pinion The mechanism is noisy when it is running, the structure is complicated, and maintenance is troublesome; 4. After the knife template is replaced, there will be displacement during the movement or rotation, resulting in inaccurate processing positions and unstable product quality; long time.
  • the technical problem to be solved by the present invention is to provide a high-speed intelligent cutting machining center and a method for replacing the knife template.
  • the speed of replacing the knife template is fast, and the mechanism for replacing the knife template operates smoothly, which not only shortens the time for replacing the knife template, but also significantly improves
  • the use efficiency of the cutting machine also improves the position repeatability and positioning accuracy of the replacement knife template, improves the dimensional accuracy of the cut product, meets the needs of users, and has good dimensional stability of the cut product.
  • the present invention is achieved by providing a high-speed intelligent cutting processing center, including a cutting machine, a knife mold library, and a knife template turnover table.
  • a punch slide rail on the punch slide rail is provided with a matched punch slide seat, under the punch slide seat is provided with a knife mold fixing plate, on the knife mold fixing plate is provided with a rotary cutting head, in the rotary cutting The bottom of the head is provided with a knife template for cutting and a clamping and limiting device for the knife template.
  • the knife template turnover table is located on the left side of the worktable, one end of which is connected with the knife mold library, and the other end is connected with the workbench; the knife mold
  • the library includes a frame and a knife template storage rack and its lifting device arranged in the frame.
  • the template storage rack is provided with a guide sleeve that slides with the guide column, and the lifting device drives the knife template storage rack to move up and down along the guide column; the lifting device includes a motor gearbox with double output shafts, a driving pulley, a driven shaft, and a driven shaft.
  • the motor gearbox is set on the top of the frame
  • two driving pulleys are set at both ends of the output shaft
  • the two driven bearings are fixed at the lower part of the frame and below the storage rack of the knife plate
  • the driven shaft is set in two driven bearings
  • the driven pulley is set at both ends of the driven shaft
  • the driving pulley drives the driven pulley to rotate through the synchronous belt
  • the synchronous belt is respectively set on the left and right sides of the frame
  • a knife rest fixing plate is respectively arranged on each synchronous belt, one end of the knife rest fixing plate is fixed on the timing belt, and the other end is fixed on the knife template storage rack on this side.
  • a knife template locking device for positioning the knife template in the slideway
  • the knife template locking device includes a locking cylinder, a locking operating lever, a locking bearing, a drive rod, a locking lever, a locking lever rotating shaft and a rotating shaft fixing rod
  • the locking cylinder is fixed on the upper part of the cutting template storage rack
  • the locking The operating rod is fixedly connected with the output shaft of the locking cylinder.
  • the locking operating rod is mounted on two locking bearings.
  • the locking operating rod slides up and down along the locking bearing under the drive of the locking cylinder, and the rotating shaft fixing rod is fixed on the side of the knife template storage rack, and multiple avoidance holes corresponding to the placement positions of the knife templates of each layer are set on the rotating shaft fixing rod.
  • the driving rod, the locking rod and the rotating shaft of the locking rod are respectively arranged in a complete set on the side of the placement position of each layer of knife templates, and the waist-shaped hole, the rotating shaft hole and the arc part are respectively arranged on the locking rod, and the rotating shaft of the locking rod passes through the fixing rod of the rotating shaft and the The shaft hole of the lock rod connects the lock rod to the avoidance hole of the lock rod.
  • One end of the drive rod is fixed on the lock rod, and the other end is movably inserted into the waist-shaped hole of the lock rod.
  • the locking operating lever slides up and down and drives the locking lever to rotate around the locking lever rotating shaft through the driving lever.
  • a contact block is provided on the locking operating rod, an upstroke switch and a downstroke switch matched with the contact block are respectively arranged on the frame, and a stop switch triggered by the knife template storage rack is arranged on the frame .
  • the knife mold turntable includes two raceway plates, a cylinder mounting plate, a first-stage propulsion cylinder, a propulsion slide rail, a propulsion block, two lifting cylinders, a cylinder connecting plate, a second-stage propulsion cylinder and a
  • the claw plate of the pull hook, one end of the two raceway plates is connected with the die magazine, and the other end is connected with the worktable.
  • the two raceway plates are separated from the left and right to form a channel for the die die to enter and exit the die die store.
  • the cylinder mounting plate Fixed on the work table, the first stage propulsion cylinder and the propulsion slide rail are fixed on the cylinder mounting plate, the two lifting cylinders are respectively fixed on the left and right sides of the propulsion block, and the cylinder connecting plate is respectively connected with the cylinder rods of the two lifting cylinders.
  • the second-stage propulsion cylinder is fixed on the cylinder connecting plate, and the claw plate is set on the cylinder rod of the second-stage propulsion cylinder.
  • the first-stage propulsion cylinder simultaneously drives two lifting cylinders, the cylinder connection plate, and the second-stage propulsion The cylinder and the claw plate reciprocate along the advancing slide rail.
  • the clamping and limiting device includes a clamping assembly and a limiting assembly, which are installed on the die fixing plate of the cutting machine, and the clamping assembly includes a left pressing plate, a right pressing plate and a pressing cylinder.
  • Two pressing cylinders are respectively arranged on the left and right sides of the die fixing plate, and the two pressing cylinders act at the same time to compress or loosen the die die, and the left pressing die and the right pressing die are respectively arranged under the die fixing plate
  • the pressing cylinder is arranged in the die fixing plate, and the pressing cylinder respectively drives the left pressing die and the right pressing die to press the die die on the lower surface of the die fixing plate
  • the limit assembly It includes front limiting parts and rear limiting parts arranged on the front and rear sides of the die fixing plate, wherein at least one of the front limiting parts and the rear limiting parts is a movable limiting part, and the other is a fixed limiting part Or a movable limiting part, and the movable
  • the pressing cylinder includes a cylindrical hole arranged in the die fixing plate and a valve core shaft arranged in the cylindrical hole, an upper piston, a lower piston, an upper air chamber and a lower air chamber, and the upper piston and the lower piston respectively Set on the spool shaft, the upper air chamber is set between the upper piston and the top wall of the cylindrical hole, the lower air chamber is set between the upper piston and the lower piston, and the upper air pipe interface and the lower air pipe interface are respectively set on the die fixing plate , the upper trachea interface and the lower trachea interface communicate with the upper air chamber and the lower air chamber through the upper channel and the lower channel arranged on the die fixing plate respectively, and a stop washer is set on the inner wall of the cylindrical hole, and the stop washer The movable washer limits the moving position of the lower piston.
  • the movable limiting part includes a first connecting rod, a second connecting rod, a first rotating shaft, a second rotating shaft and a third rotating shaft, wherein the first rotating shaft is fixed on the die fixing plate, and the third rotating shaft is fixed on On the left press plate or the right press plate, the first rotating shaft is movably arranged in the middle of the first connecting rod, and the second rotating shaft movably connects one end of the first connecting rod and the second connecting rod together respectively, and the first connecting rod
  • the other end of the connecting rod is provided with a blocking portion to limit the position of the knife plate, and the other end of the second connecting rod is movably connected with the third rotating shaft.
  • the fixed limit part includes a limit block and a fastening bolt, the limit block limits the moving position of the die plate, and the fastening bolt fixes the limit block on the side surface of the die plate fixing plate.
  • limit screws are respectively set between the left press plate, the right press plate and the die fixing plate, and the limit screws respectively limit the maximum distance between the left press plate, the right press plate and the die fixing plate .
  • the present invention is achieved in this way, providing a method for replacing the knife template, which is used on the high-speed intelligent cutting machining center as described above, and the method includes the following steps:
  • Step 1 Move the rotary cutting head from the working area in the middle of the workbench to the top of the knife template turntable, the position of the movable limit part of the clamping limit device is close to the knife mold library, and the rotary cutting head drives the knife template down to At the position of the tool change template, the compression cylinder respectively drives the left press template and the right press template to move down, and through linkage, the movable limit part is in an unlocked state, the clamping component is in a loose state, and the old knife template is waiting to be replaced;
  • Step 2 The first-stage propulsion cylinder drives the second-stage propulsion cylinder and the hook plate to move from the initial position to the direction of the rotary cutting head, and the second-stage propulsion cylinder also drives the hook plate to move to the direction of the rotary cutting head until the hook
  • the claw plate is located under the old knife template to be replaced, and the two lifting cylinders simultaneously drive the second-stage propulsion cylinder and the hook plate to move upward through the cylinder connecting plate until the pull hook of the claw plate is inserted upward into the hook hole of the old knife template ;
  • Step 3 Immediately, the second-stage propulsion cylinder and the first-stage propulsion cylinder move to the direction of the die magazine at the same time, pull out the old die plate from the clamping limit device that has been released in step 1 and move it to the The position set in the die magazine, and then the two lifting cylinders drive the claw plate to move downward, the second stage pushes the cylinder back, and the claw plate leaves the die magazine;
  • Step 4 After the lifting device in the die magazine lifts the new die template to be replaced to an appropriate position, the second-stage propulsion cylinder moves to the position of the die magazine again, and the two lifting cylinders also lift the hook plate again , until the pull hook of the claw plate is inserted upward into the hook hole of the new knife template;
  • the first-stage propulsion cylinder drives the second-stage propulsion cylinder and the claw plate to move to the direction of the rotary cutting head
  • the second-stage propulsion cylinder also drives the claw plate to move to the direction of the rotary cutting head until the claw plate moves to the direction of the rotary cutting head.
  • the new knife template moves to the clamping limit device in the loosened state, the new knife template is blocked by the fixed limit part on the other side, and the clamping assembly moves in the opposite direction to clamp the new knife template and press it tightly
  • the cylinders respectively drive the left and right press plates to move upwards. Through linkage, the movable limit parts are in the limit state.
  • the new knife plate is clamped and limited, and then the two lifting cylinders drive the hook plate to move downward.
  • the first-stage propulsion cylinder and the second-stage propulsion cylinder return to the initial position, and the rotary cutting head is raised and returned to the working area in the middle of the workbench to complete the action cycle of changing the tool template.
  • the high-speed intelligent cutting machining center and the method for replacing the knife template of the present invention have the following characteristics:
  • the knife mold library is set at one end of the cutting machine.
  • the moving distance of the knife template is short, the positioning is more accurate, the structure is scientific and reasonable, and the replacement efficiency is high;
  • Fig. 1 is the three-dimensional schematic diagram of a preferred embodiment of the high-speed intelligent cutting processing center of the present invention
  • Fig. 2 is a schematic perspective view of another angle of Fig. 1;
  • Fig. 3 is the enlarged schematic diagram of part M in Fig. 1;
  • Fig. 4 is the front view of the die library in Fig. 1;
  • Fig. 5 is the three-dimensional schematic diagram of Fig. 4;
  • Fig. 6 is a schematic perspective view of another angle in Fig. 5;
  • Fig. 7 is an enlarged schematic diagram of part P in Fig. 5;
  • Fig. 8 is a three-dimensional schematic diagram of the knife template in Fig. 5;
  • Fig. 9 is a three-dimensional schematic diagram of the locking bar in Fig. 5;
  • Fig. 10 is a three-dimensional schematic diagram of the rotary cutting head of the present invention in Fig. 1;
  • Fig. 11 is a three-dimensional schematic diagram of the assembled state of the knife mold fixing plate and the knife mold clamping and limiting device in Fig. 10;
  • Figure 12 is a schematic perspective view of another angle in Figure 11, showing an N-N section;
  • FIG. 13 is a schematic perspective view of the first connecting rod in FIG. 11 .
  • the preferred embodiment of the high-speed intelligent cutting machining center of the present invention includes a cutting machine 1 , a knife mold library 2 and a knife template turnover table 3 .
  • the cutting machine 1 includes a machine base and a working platform 4 and a beam 5 arranged on the machine base.
  • the beam 5 is located above the workbench 4 .
  • Punch slide rails 6 are respectively arranged on the front and rear sides of the beam 5, matching punch slide seats 7 are provided on the two punch slide rails 6, and a rotary cutting head 8 is provided under the punch slide seats 7.
  • the bottom of the rotary cutting head 8 is provided with a die plate 10 , and a die plate A for cutting and a clamping and limiting device 9 for the die plate are arranged on the die plate 10 .
  • the clamping and limiting device 9 is used to limit and clamp the imported cutter template A or unlock and release the cutter template to be exported.
  • the knife template turntable 3 is located on the left side of the workbench 4, and its one end is connected with the knife mold storehouse 2, and its other end is connected with the workbench 4.
  • the rotary cutting head 8 can move to the top of the cutting die turntable 3 .
  • the cutting die turntable 3 is used to pull out the cutting die plate A from the cutting die magazine 2 and put it into the clamping and limiting device 9 of the rotary cutting head 8, and is also used to place the rotating cutting head 8 in the clamping and limiting device 9
  • the die template A is pulled out and returned to the die magazine 2.
  • the die-cutting magazine 2 includes a frame 21 , a die-cutting die storage rack 22 and a lifting device 23 disposed in the frame 21 .
  • the front and rear sides of the frame 21 are respectively provided with entry and exit portions 24 for the knife template A to enter and exit the knife template storage rack 22 .
  • the entrance and exit part 4 at the front side is used to connect with the cutting machine 1 to provide the cutting machine 1 with the required knife template A.
  • the access part 4 located at the rear side is used for replacing and disposing the knife templates A in the frame 21 in sequence.
  • a plurality of cutting templates A are layered up and down in the cutting template storage rack 22, guide posts 25 are respectively set at four corners of the frame 21, and guide posts 25 slidingly fitted with the guide posts 25 are set on the cutting template storage rack 22.
  • the lifting device 23 drives the knife template storage rack 22 to move up and down along the guide column 25 .
  • the lifting device 23 includes a motor gearbox 231 provided with double output shafts, a driving pulley 232 , a driven shaft 233 , a driven bearing 234 , a driven pulley 235 and a timing belt 236 .
  • the motor gearbox 231 is arranged on the top of the frame 21, and the two driving pulleys 232 are respectively arranged at the two ends of the output shaft.
  • 233 passes through two driven bearings 234 , and driven pulleys 235 are arranged at both ends of the driven shaft 233 .
  • the driving pulley 232 drives the driven pulley 235 to rotate through the synchronous belt 236 .
  • Timing belts 236 are respectively provided on the left and right sides of the frame 21 .
  • a knife rest fixing plate 237 is respectively arranged on each timing belt 236 .
  • One end of the knife rest fixing plate 237 is fixed on the synchronous belt 236, and its other end is fixed on the knife mold storage rack 22 on this side.
  • the two synchronous belts 236 respectively drive the die storage rack 22 to move up and down along the guide post 25 through the knife holder fixing plate 237 thereon.
  • the use of synchronous belt technology not only simplifies the structure of the lifting device 3, but also improves the position repeatability of the knife template storage rack 22 running up and down, and improves the running stability.
  • a plurality of slideways 27 for placing the knife template A are respectively arranged up and down on the left and right sides of the said knife mold storage rack 22, and a knife for positioning the knife template A in the slideway 27 is arranged on the right side of the knife mold storage rack 22.
  • Template locking device 28 is arranged on the left and right sides of the said knife mold storage rack 22.
  • the knife template locking device 28 includes a locking cylinder 281 , a locking operating rod 282 , a locking bearing 283 , a driving rod 284 , a locking rod 285 , a locking rod rotating shaft 286 and a rotating shaft fixing rod 287 .
  • the locking cylinder 281, the locking bearing 283 and the rotating shaft fixing rod 287 are respectively fixed on the cutting die storage frame 22.
  • the locking cylinder 281 is fixed on the top of the die storage rack 22 , and the locking operating rod 282 is fixedly connected to the output shaft of the locking cylinder 281 .
  • the locking operating rod 282 is installed on two locking bearings 283, and the two locking bearings 283 are fixed on the cutting die storage rack 22 and are respectively located at the two ends of the locking operating rod 282, and the locking operating rod 282 is locked. Driven by the cylinder 281, it slides up and down along the locking bearing 283.
  • the rotating shaft fixing rod 287 is fixed on the side of the cutting die storage rack 22, and a plurality of avoidance holes 2871 corresponding to the placing positions of the cutting die templates A of each layer are arranged on the rotating shaft fixing rod 287.
  • the driving rod 284, the locking rod 285 and the rotating shaft 286 of the locking rod are respectively provided as a set on the side of the placement position of each layer of knife template A.
  • a waist-shaped hole 2851 , a shaft hole 2852 and an arc portion 2853 are respectively provided on the lock bar 285 , and the waist-shaped hole 2851 and the arc portion 2853 are respectively located on both sides of the shaft hole 2852 .
  • the locking rod rotating shaft 286 passes through the rotating shaft fixing rod 287 and the rotating shaft hole 2852 of the locking rod 285 to movably connect the locking rod 285 in the locking rod avoidance hole 2871, and the locking rod 285 rotates around the locking rod rotating shaft 286.
  • One end of the driving rod 284 is fixed on the locking rod 285 , and the other end is movably inserted into the waist-shaped hole 2851 of the locking rod 285 .
  • the arc portion 2853 of the locking rod 285 is snapped into the limiting slot B provided on the side of the knife template A, as shown in FIG. 8 .
  • the locking operating lever 282 slides up and down and drives the locking lever 285 to rotate around the locking lever rotating shaft 286 through the driving lever 284, so that the arc portion 2853 of the locking lever 285 snaps into the limit slot B of the cutter template A to lock the cutter template A. Or, make the arc portion 2853 of the locking rod 285 loose from the limit slot B of the knife template A to unlock the knife template A.
  • a contact block 288 is set on the locking operating rod 282, and an upstroke switch 210 and a downstroke switch 211 which cooperate with the contact block 288 are respectively arranged on the frame 21.
  • the locking cylinder 281 is used as the power to shorten the response time of the knife plate locking device 28 and improve the working efficiency of the knife plate supply system.
  • Rollers 29 are provided on the side walls of each slideway 27 .
  • the rollers 29 are located above the die plate A and close to the entrance and exit portion 24 of the rear side of the frame 21, and play a position-limiting and guiding role when the die plate A is deposited into or exported from the die die storage rack 22.
  • a knife rest support column 212 is arranged at the bottom of the knife die storage rack 22 , and the knife rest support column 212 is fixed on the frame 21 .
  • a knife rest limiting column 213 is arranged on the top of the frame 21, a knife rest limiting column 213 is arranged.
  • four knife rest support columns 212 are respectively set at the bottom four corners of the die storage frame 22, and four knife rest limit columns 213 are respectively set at the top four corners of the frame 21 to improve The safety and the stability of cutting die storage frame 22.
  • the stop switch 214 triggered by the die storage rack 22 is set on the frame 21, the stop switch 214 limits the descending position of the die storage rack 22, and improves the safety and stability of the die storage rack 22 movement.
  • the die-cutting turntable 3 includes two raceway plates 31, a cylinder mounting plate 32, a first-stage propulsion cylinder 33, a propulsion slide rail 34, a propulsion block 35, two lifting Cylinder 36, cylinder connecting plate 37, second stage propulsion cylinder 38 and the claw plate 39 with pull hook 310.
  • One end of the two raceway plates 31 is connected with the die magazine 2 , and the other end is connected with the workbench 4 .
  • the cylinder mounting plate 32 is fixed on the workbench 4 surface, and the first-stage propelling cylinder 33 and the advancing slide rail 34 are fixed on the cylinder mounting plate 32 .
  • the first-stage propulsion cylinder 33 adopts a rodless cylinder to drive the propulsion block 35 to reciprocate along the propulsion slide rail 34 .
  • the two-stage propulsion cylinders can not only shorten the length of the first-stage propulsion cylinder 33, avoid the excessive length of the first-stage propulsion cylinder 33, save costs, and improve the propulsion block 35
  • the stability of the movement, moreover, the two-stage cylinder can advance or retreat at the same time in the process of advancing or retreating, shortening the time of advancing or retreating, realizing the rapid movement of the advancing block 35, and realizing the rapid and stable replacement of the knife plate A , improve operating efficiency.
  • Setting the advancing slide rail 34 increases the stability of the advancing block 35 when advancing or retreating rapidly.
  • Two lifting cylinders 36 are respectively fixed on the left and right sides of the propulsion block 35, and the cylinder connecting plate 37 is connected with the cylinder rods of the two lifting cylinders 36 respectively.
  • the second-stage propelling cylinder 38 is fixed on the cylinder connecting plate 37
  • the claw plate 39 is arranged on the cylinder rod of the second-stage propelling cylinder 38 .
  • the first-stage propulsion cylinder 33 simultaneously drives two lifting cylinders 36 , the cylinder connecting plate 37 , the second-stage propulsion cylinder 38 and the claw plate 39 to reciprocate along the propulsion slide rail 34 through the propulsion block 35 .
  • the pull hook 310 on the hook plate 39 is inserted into the hook hole C provided on the knife plate A, as shown in Figure 8, the knife plate A is pushed into the loosened clamping limit device 9 or from the loosened Pull out the knife template A in the clamping limit device 9 that is opened.
  • the clamping and limiting device 9 includes a clamping assembly 91 and a limiting assembly, which are installed on the die fixing plate 10 at the bottom of the cutting machine 1 .
  • the clamping assembly 91 includes a left pressing plate 94 , a right pressing plate 95 and a pressing cylinder 96 .
  • Left press template 94 and right press template 95 are respectively arranged on the left and right sides of die cutter fixed plate 10 lower surfaces, and compression cylinder 96 is arranged in the die cutter fixed plate 10, and is positioned at the left and right sides of cutter die fixed plate 10 symmetrically. The positions of the front and rear corners.
  • the pressing cylinder 96 respectively drives the left pressing plate 94 and the right pressing plate 95 to compress the cutting die plate A on the lower surface of the cutting die fixing plate 10 .
  • the limiting assembly includes a front limiting component and a rear limiting component arranged on the front and rear sides of the die fixing plate 10, wherein at least one of the front limiting component and the rear limiting component is a movable limiting component 97, The other is a fixed limiting part or a movable limiting part 97 .
  • the movable limiting part 97 is linked with the left pressing plate 94 or the right pressing plate 95 to limit or unlock the front and rear sides of the knife plate A.
  • movable limiting parts 97 are respectively arranged on the front and rear sides of the die fixing plate 3 .
  • the left press template 94 and the right press template 95 pressed the up and down directions of the cutter template A on the lower surface of the cutter template fixed plate 10 under the action of the compression cylinder 96 respectively.
  • the limit component simultaneously limits the front and rear sides of the knife template A, improves the repeatability and positioning accuracy of changing the knife template position, and improves the dimensional accuracy of the cut product.
  • the action process of the limiting assembly is: when the left pressing plate 94 and the right pressing plate 95 of the clamping assembly 91 press the cutting plate A on the lower surface of the cutting die fixing plate 10, the movable limiting part 97 also follows Therefore, the front side or/and the rear side of the knife template A are limited. Conversely, when the left pressing plate 94 and the right pressing plate 95 of the clamping assembly 91 release the compression in the up and down direction of the knife setting plate A, the movable limiting part 97 also releases the front side or/and the rear side of the knife setting plate A accordingly. direction limit.
  • Two pressing cylinders 96 are respectively arranged on the left and right sides of the die fixing plate 10, and the two pressing cylinders 96 act simultaneously to compress or loosen the die plate A.
  • the pressing cylinder 96 includes a cylindrical hole 961 arranged in the die fixing plate 10 , a valve core shaft 962 , an upper piston 963 , a lower piston 964 , an upper air chamber 965 and a lower air chamber 966 arranged in the cylindrical hole 961 .
  • the upper piston 963 and the lower piston 964 are respectively arranged on the spool shaft 962
  • the upper air chamber 965 is arranged between the upper piston 963 and the top wall of the cylindrical hole 961
  • the lower air chamber 966 is arranged between the upper piston 963 and the lower piston 964 .
  • An upper air pipe interface 98 and a lower air pipe interface 99 are respectively arranged on the die fixing plate 10 .
  • the upper air pipe interface 98 and the lower air pipe interface 99 communicate with the upper air chamber 965 and the lower air chamber 966 through the upper passage 967 and the lower passage 968 respectively arranged on the die fixing plate 10 .
  • the pressing cylinder 96 is directly built in the die plate fixing plate 10, which simplifies the structure of the clamping and limiting device of the die plate, reduces the weight of the die plate fixing plate 10, and improves its stability.
  • the action process of the compression cylinder 96 is: when the upper air chamber 965 passes high-pressure gas through the upper air pipe interface 98, and the lower air chamber 966 recovers the gas through the lower air pipe interface 99, the valve core shaft 962 and the upper piston on it are driven 963 and the lower piston 964 move downward together, and the spool shaft 962 pushes away the left pressing template 94 or the right pressing template 95, so as to realize the unlocking of the knife setting template A.
  • the lower air chamber 966 is fed with high-pressure gas through the lower air pipe interface 99, and after the upper air chamber 965 recovers the gas through the upper air pipe interface 98, the valve core shaft 962 and the upper piston 963 and lower piston 964 on it are driven to move upward and reset together, and the valve core
  • the shaft 962 drives the left pressing template 94 or the right pressing template 95 to compress the knife template A.
  • a stop washer 969 is arranged on the inner wall of the cylindrical hole 961, and the stop washer 969 limits the moving position of the lower piston 964, thereby limiting the moving position of the spool shaft 962, so that the telescopic height of the compression cylinder 96 is limited. .
  • the fixed limiting component includes a limiting block and a fastening bolt (not shown in the figure).
  • the limit block limits the moving position of the die plate A, and the fastening bolt fixes the limit block on the side surface of the die plate fixing plate 10 .
  • the movable limiting part 97 includes a first connecting rod 971, a second connecting rod 972, a first rotating shaft 973, a second rotating shaft 974 and a third rotating shaft 975, wherein the first rotating shaft 973 is fixed on the die fixing plate 10,
  • the third rotating shaft 975 is fixed on the left pressing plate 94 or the right pressing plate 95
  • the first rotating shaft 973 is movably arranged in the middle part of the first connecting rod 971
  • the second rotating shaft 974 connects the first connecting rod 971 and the second connecting rod 972
  • One ends are respectively movably connected together
  • the other end of the first connecting rod 971 is provided with a blocking portion 976 to limit the position of the knife plate A
  • the other end of the second connecting rod 972 is movably connected with the third rotating shaft 975 .
  • an inclined surface or an arc-shaped surface 977 is provided on the blocking portion 976 of the first connecting rod 971, and it is convenient to move the cutting board A when the first connecting rod 971 limits the cutting board A. Push back to the correct stop position.
  • the action process of the movable limiting part 97 is: when the compression cylinder 96 drives the left pressing plate 94 or the right pressing plate 95 to move downward, the third rotating shaft 975 and the second connecting rod 972 then move downward with it, and the second The second connecting rod 972 pulls one end of the first connecting rod 971 through the second rotating shaft 974 and also moves downward, the first connecting rod 971 rotates around the first rotating shaft 973, and the other end of the first connecting rod 971 is lifted, unclamped Its limited knife template A.
  • Limiting screws 92 are respectively arranged between the left press plate 94 , the right press plate 95 and the knife die fixing plate 10 .
  • the limit screw 92 adjusts and limits the maximum distance between the left press plate 94 and the right press plate 95 and the die fixing plate 10 respectively.
  • the clamping and limiting device 9 of the present invention can quickly limit and clamp the cutter template A, realize quick replacement of the cutter template A, and has good position repeatability and high positioning accuracy.
  • a side cover 93 is also provided on the die fixing plate 10 , and the side cover 93 covers the upper air pipe interface 98 and the lower air pipe interface 99 .
  • the present invention also discloses a method for replacing the knife template, which is used on the high-speed intelligent cutting machining center as described above.
  • the method includes the following steps:
  • Step 1 Move the rotary cutting head 8 from the working area located in the middle of the workbench 4 to the top of the knife template turnover table 3, and the position of the movable limit part 97 of the clamping limit device 9 is close to the die magazine 2, and then rotate and cut
  • the head 8 drives the knife plate A to drop to the position of the tool change plate, and the pressing cylinder 96 respectively drives the left pressure plate 94 and the right pressure plate 95 to move down, and the movable limit part 97 is in the unlocked state through the linkage, and the clamping assembly 91 is in the loose state.
  • the open state the old knife template A1 is waiting to be replaced.
  • Step 2 The first-stage propulsion cylinder 33 drives the second-stage propulsion cylinder 38 and the hook plate 39 to move from the initial position to the direction of the rotary cutting head 8, and the second-stage propulsion cylinder 38 also drives the hook plate 39 to the rotary cutting head 8 until the hook plate 39 is located under the old knife template A1 to be replaced, and the two lifting cylinders 36 simultaneously drive the second-stage propulsion cylinder 38 and the hook plate 39 to move upward through the cylinder connecting plate 37 until the hook plate 39 The pull hook 310 of the plate 39 is inserted upward into the hook hole C of the old knife template A1.
  • Step 3 Immediately, the second-stage propulsion cylinder 38 and the first-stage propulsion cylinder 33 move toward the direction of the die magazine 2 at the same time, and remove the old die plate A from the clamping and limiting device 9 in the loosened state in step 1. Pull it out and move to the position set in the die-cutting magazine 2, then after the two lifting cylinders 36 drive the claw plate 39 to move downward, the second-stage propulsion cylinder 38 retreats, and the claw plate 39 leaves the die-cutting storehouse 2.
  • Step 4 After the lifting device 23 in the knife mold library 2 moves the new knife template A2 that needs to be replaced to an appropriate position, the second-stage propulsion cylinder 38 moves to the position of the knife mold library 2 again, and the two lifting cylinders 36 also move again. Lift the claw plate 39 until the pull hook 310 of the claw plate 39 is inserted upward into the hook hole C of the new cutting template A2.
  • Step 5 The first-stage propulsion cylinder 33 drives the second-stage propulsion cylinder 38 and the hook plate 39 to move toward the direction of the rotary cutting head 8, and the second-stage propulsion cylinder 38 also drives the hook plate 39 to the direction of the rotary cutting head 8 Move until the hook plate 39 moves the new knife template A2 into the clamping limiting device 9 in the loosened state, the new knife template A2 is blocked by the fixed limiting part on the other side, and the clamping assembly 91
  • the action in the opposite direction clamps the new knife template A2, and the compression cylinder 96 respectively drives the left press template 94 and the right press template 95 to move upwards, and the movable limiting part 97 is in the limit state through linkage, and the new knife template A2 is clamped and limit, and then the two lifting cylinders 36 drive the claw plate 39 to move downward, the first-stage propulsion cylinder 33 and the second-stage propulsion cylinder 38 retreat to the initial position, and the rotary cutting head 8 is lifted and returned to the workbench 4
  • the above process can run at high speed on the cutting machine of the present invention under the control of the intelligent operating system.

Abstract

一种高速智能裁断加工中心，包括裁断机（1）、刀模库（2）以及刀模板周转台（3），裁断机包括机座以及设置在机座上的作业台（4）和横梁（5），在横梁上设有旋转裁断头（8），在旋转裁断头的底部设置有裁断用的刀模板（A）和刀模板夹紧限位装置（9），刀模板周转台位于作业台的左侧，其一端与刀模库相连接，其另一端与作业台相连接；刀模库包括框架（21）和设置在框架内的刀模板存放架（22）及其升降装置（23），多个刀模板被分层地上下叠放在刀模板存放架中，在框架的四个角落处分别设置导柱（25），在刀模板存放架上设置与导柱滑动配合的导套（26），升降装置驱动刀模板存放架沿导柱上下移动。还涉及一种在该加工中心上更换刀模板的方法。该裁断加工中心能快速更换刀模板，而且位置重复性好和定位精度高。

Description

高速智能裁断加工中心以及更换刀模板的方法 技术领域
本发明属于智能裁断设备技术领域，特别涉及一种高速智能裁断加工中心以及更换刀模板的方法。
 背景技术
裁断机需要根据裁断式样频繁地更换裁断刀模，裁断刀模一般设置在刀模板上。现有的裁断机大都采用人工更换刀模板，不仅更换时间长，效率低，而且，刀模板更换后的位置重复性差，裁断产品的尺寸精度低。现有采用齿轮齿条机构来更换刀模板，虽然提高了工作效率，降低了工作强度，但是该换刀模板机构有几个缺陷：1、换刀模板机构在裁断机的侧面，占地面积大，横向移动距离长，结构不稳定；2、换刀模板机构换刀模前，工作面板需要旋转90°，刀模板要变为横向才能换刀，结构复杂，容易出故障；3、齿轮齿条机构运行时噪音大，结构复杂，维修麻烦；4、刀模板更换后在移动或旋转过程中会有位移，造成加工工位不准，产品质量不稳定；5、运行速度低，更换刀模板的时间长。
 技术问题
本发明所要解决的技术问题在于，提供一种高速智能裁断加工中心以及更换刀模板的方法，更换刀模板的速度快，更换刀模板的机构运行平稳，既缩短更换刀模板的时间，显著地提高裁断机的使用效率，也提高更换刀模板的位置重复性和定位精度，提高裁断产品的尺寸精度，满足用户需要，裁断产品的尺寸稳定性好。
 技术解决方案
本发明是这样实现的，提供一种高速智能裁断加工中心，包括裁断机、刀模库以及刀模板周转台，裁断机包括机座以及设置在机座上的作业台和横梁，在横梁上设有冲头滑轨，在冲头滑轨上设置有相配合的冲头滑座，在冲头滑座下设置有刀模固定板，在刀模固定板上设置有旋转裁断头，在旋转裁断头的底部设置有裁断用的刀模板和刀模板夹紧限位装置，刀模板周转台位于作业台的左侧，其一端与刀模库相连接，其另一端与作业台相连接；刀模库包括框架和设置在框架内的刀模板存放架及其升降装置，多个刀模板被分层地上下叠放在刀模板存放架中，在框架的四个角落处分别设置导柱，在刀模板存放架上设置与导柱滑动配合的导套，升降装置驱动刀模板存放架沿导柱上下移动；升降装置包括设置有双输出轴的马达齿轮箱、主动带轮、从动轴、从动轴承、从动带轮和同步带，马达齿轮箱设置在框架的顶部，两个主动带轮分别设置在输出轴的两端，两个从动轴承固定在框架下部且位于刀模板存放架的下方，从动轴穿设在两个从动轴承内，从动带轮设置在从动轴的两端，主动带轮通过同步带带动从动带轮转动，在框架的左右两侧分别设置同步带，在每个同步带上分别设置刀架固定板，刀架固定板一端固定在同步带上，其另一端固定在该侧的刀模板存放架上。
进一步地，在所述刀模板存放架的左右两侧分别上下设置多个放置刀模板的滑道，在刀模板存放架的右侧设置用于将刀模板定位在滑道中的刀模板锁止装置，所述刀模板锁止装置包括锁止气缸、锁止操作杆、锁止轴承、驱动杆、锁杆、锁杆转轴和转轴固定杆，锁止气缸固定在刀模板存放架的上部，锁止操作杆与锁止气缸的输出轴固定连接，锁止操作杆穿设在两个锁止轴承上，两个锁止轴承固定在刀模板存放架上且分别位于锁止操作杆的两端，锁止操作杆在锁止气缸的驱动下沿锁止轴承上下滑动，转轴固定杆固定在刀模板存放架的侧面，在转轴固定杆上设置多个与每层的刀模板放置位置对应的避让孔，驱动杆、锁杆和锁杆转轴分别成套地设置在每层刀模板放置位置的侧部，在锁杆上分别设置腰形孔、转轴孔和弧形部，锁杆转轴穿过转轴固定杆和锁杆的转轴孔将锁杆活动地连接在锁杆避让孔中，驱动杆一端固定在锁杆上，其另一端活动地插接在锁杆的腰形孔中，锁杆的弧形部卡接在设置在刀模板侧边的限位卡槽中，锁止操作杆上下滑动并通过驱动杆带动锁杆绕锁杆转轴转动。
进一步地，在所述锁止操作杆上设置接触块，在所述框架上分别设置与接触块配合的上行程开关和下行程开关，在所述框架上设置被刀模板存放架触发的停止开关。
进一步地，所述刀模周转台包括两个滚道板、气缸安装板、第一级推进气缸、推进滑轨、推进块、两个抬升气缸、气缸连接板、第二级推进气缸和带有拉勾的钩爪板，两个滚道板的一端与刀模库相连接，其另一端与作业台相连接，两个滚道板左右分开组成刀模板进出刀模库的通道，气缸安装板固定在作业台面上，第一级推进气缸和推进滑轨固定在气缸安装板上，两个抬升气缸分别固定在推进块的左右两侧，气缸连接板分别与两个抬升气缸的缸杆联接，第二级推进气缸固定在气缸连接板上，钩爪板设置在第二级推进气缸的缸杆上，第一级推进气缸通过推进块同时驱动两个抬升气缸、气缸连接板、第二级推进气缸和钩爪板沿推进滑轨往复移动。
进一步地，所述夹紧限位装置包括夹紧组件和限位组件，其安装在裁断机的刀模固定板上，所述夹紧组件包括左压模板、右压模板和压紧气缸，在所述刀模固定板的左右两侧各分别设置两个压紧气缸，两个压紧气缸同时动作将刀模板压紧或松开，左压模板和右压模板分别设置在刀模固定板下表面的左右两侧边，压紧气缸设置在刀模固定板内，压紧气缸分别驱动左压模板和右压模板将刀模板压紧在刀模固定板的下表面上，所述限位组件包括设置在刀模固定板前后两侧面的前限位部件和后限位部件，其中，在前限位部件和后限位部件中至少有一个为活动限位部件，另一个为固定限位部件或活动限位部件，所述活动限位部件随左压模板或右压模板联动对刀模板的前后两侧面进行限位。
进一步地，所述压紧气缸包括设置在刀模固定板内的圆柱孔以及设置在圆柱孔内的阀芯轴、上活塞、下活塞、上气室和下气室，上活塞和下活塞分别设置在阀芯轴上，上气室设置在上活塞与圆柱孔的顶壁之间，下气室设置上活塞与下活塞之间，在刀模固定板上分别设置上气管接口和下气管接口，上气管接口和下气管接口分别通过设置在刀模固定板上的上通道和下通道与上气室和下气室相连通，在所述圆柱孔的内壁上设置止动垫圈，所述止动垫圈限制下活塞的移动位置。
进一步地，所述活动限位部件包括第一连杆、第二连杆、第一转轴、第二转轴和第三转轴，其中，第一转轴固定在刀模固定板上，第三转轴固定在左压模板或右压模板上，第一转轴活动地设置在第一连杆的中部，第二转轴将第一连杆和第二连杆的一端部分别活动地连接在一起，第一连杆的另一端设置阻挡部对刀模板进行限位，第二连杆的另一端则活动地与第三转轴连接。
进一步地，所述固定限位部件包括限位块和紧固螺栓，限位块限制刀模板的移动位置，紧固螺栓将限位块固定在刀模固定板的侧表面上。
进一步地，在所述左压模板和右压模板与刀模固定板之间分别设置限位螺杆，所述限位螺杆分别限制左压模板和右压模板与刀模固定板之间的最大距离。
本发明是这样实现的，提供一种更换刀模板的方法，其使用在如前所述的高速智能裁断加工中心上，该方法包括如下步骤：
步骤一、将旋转裁断头从位于作业台中部的工作区域移动到刀模板周转台的正上方，夹紧限位装置的活动限位部件所在位置靠近刀模库，旋转裁断头驱动刀模板下降到换刀模板位置，压紧气缸分别驱动左压模板和右压模板往下移动，通过联动使得活动限位部件处于解锁状态，夹紧组件处于松开状态，旧刀模板等待更换；
步骤二、第一级推进气缸驱动第二级推进气缸和钩爪板从初始位置向旋转裁断头所在方向移动，同时第二级推进气缸也驱动钩爪板向旋转裁断头所在方向移动，直至钩爪板位于要更换的旧刀模板的下方，两个抬升气缸通过气缸连接板同时驱动第二级推进气缸和钩爪板向上移动，直到钩爪板的拉勾向上插入旧刀模板的钩孔中；
步骤三、随即，第二级推进气缸和第一级推进气缸同时向刀模库所在方向移动，将旧刀模板从步骤一的已处于松开状态的夹紧限位装置中拔出来并移动到刀模库中设定的位置，然后两个抬升气缸带动钩爪板向下移动后，第二级推进气缸回退，钩爪板离开刀模库；
步骤四、刀模库内的升降装置动作将需要更换的新刀模板升降到适当位置后，第二级推进气缸再次向刀模库所在位置移动，两个抬升气缸也再次将钩爪板抬起，直到钩爪板的拉勾向上插入新刀模板的钩孔中；
步骤五、第一级推进气缸驱动第二级推进气缸和钩爪板向旋转裁断头所在方向移动，同时第二级推进气缸也驱动钩爪板向旋转裁断头所在方向移动，直至钩爪板将新刀模板移动到已处于松开状态的夹紧限位装置中，新刀模板被处于另一侧的固定限位部件阻挡住，夹紧组件再反方向动作将新刀模板夹紧，压紧气缸分别驱动左压模板和右压模板往上移动，通过联动使得活动限位部件处于限位状态，新刀模板被夹紧和限位，然后两个抬升气缸带动钩爪板向下移动后，第一级推进气缸和第二级推进气缸回退到初始位置，旋转裁断头抬升后回到作业台中部的工作区域，完成换刀模板的动作循环。
 有益效果
与现有技术相比，本发明的高速智能裁断加工中心以及更换刀模板的方法具有以下特点：
1、能够自动快速地更换刀模板，缩短更换刀模板的时间，提高工作效率；
2、刀模库设置在裁断机的一端，更换刀模板的时候，刀模板的移动距离短，定位更加精确，结构科学合理，更换效率高；
3、设备运行平稳，故障率低。
 附图说明
图1为本发明高速智能裁断加工中心一较佳实施例的立体示意图；
图2为图1另一角度的立体示意图；
图3为图1中M部放大示意图；
图4为图1中刀模库的主视图；
图5为图4的立体示意图；
图6为图5另一角度的立体示意图；
图7为图5中P部放大示意图；
图8为图5中刀模板的立体示意图；
图9为图5中锁杆的立体示意图；
图10为图1中本发明的旋转裁断头的立体示意图；
图11为图10中刀模固定板以及刀模板夹紧限位装置组装状态的立体示意图；
图12为图11中另一角度的立体示意图，显示N-N截面；
图13为图11中第一连杆的立体示意图。
 本发明的最佳实施方式
为了使本发明所要解决的技术问题、技术方案及有益效果更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
请同时参照图1、图2以及图3所示，本发明高速智能裁断加工中心的较佳实施例，包括裁断机1、刀模库2以及刀模板周转台3。
裁断机1包括机座以及设置在机座上的作业台4和横梁5。横梁5位于作业台4的上方。在横梁5前后两侧上分别设有冲头滑轨6，在两个冲头滑轨6上设置有相配合的冲头滑座7，在冲头滑座7下设置有旋转裁断头8，在旋转裁断头8的底部设置有刀模固定板10，在刀模固定板10上设置有裁断用的刀模板A和刀模板夹紧限位装置9。夹紧限位装置9用于对导入的刀模板A进行限位夹紧或者对准备导出的刀模板进行解锁松开。
刀模板周转台3位于作业台4的左侧，其一端与刀模库2相连接，其另一端与作业台4相连接。旋转裁断头8可以移动到刀模周转台3的上方。刀模周转台3用于从刀模库2中拉出刀模板A并装入旋转裁断头8的夹紧限位装置9中，还用于将旋转裁断头8的夹紧限位装置9中的刀模板A拔出并退回到刀模库2中。
请同时参照图4至图9所示，刀模库2包括框架21和设置在框架21内的刀模板存放架22及其升降装置23。在框架21的前后两侧面分别设有刀模板A进出刀模板存放架22的出入部24。位于前侧的出入部4用于与裁断机1相连接，为裁断机1提供所需刀模板A。位于后侧的出入部4用于更换和按顺序配置框架21内的刀模板A。多个刀模板A被分层地上下叠放在刀模板存放架22中，在框架21的四个角落处分别设置导柱25，在刀模板存放架22上设置与导柱25滑动配合的导套26。升降装置23驱动刀模板存放架22沿导柱25上下移动。
升降装置23包括设置有双输出轴的马达齿轮箱231、主动带轮232、从动轴233、从动轴承234、从动带轮235和同步带236。马达齿轮箱231设置在框架21的顶部，两个主动带轮232分别设置在输出轴的两端，两个从动轴承234固定在框架21下部且位于刀模存放架22的下方，从动轴233穿设在两个从动轴承234内，从动带轮235设置在从动轴233的两端。主动带轮232通过同步带236带动从动带轮235转动。在框架21的左右两侧分别设置同步带236。在每个同步带236上分别设置刀架固定板237。刀架固定板237一端固定在同步带236上，其另一端固定在该侧的刀模存放架22上。两个同步带236分别通过其上的刀架固定板237同时带动刀模存放架22沿导柱25上下移动。使用同步带技术不仅简化了升降装置3的结构，而且还提高了刀模板存放架22上下运行的位置重复性，提高运行稳定性。
在所述刀模存放架22的左右两侧分别上下设置多个放置刀模板A的滑道27，在刀模存放架22的右侧设置用于将刀模板A定位在滑道27中的刀模板锁止装置28。
所述刀模板锁止装置28包括锁止气缸281、锁止操作杆282、锁止轴承283、驱动杆284、锁杆285、锁杆转轴286和转轴固定杆287。锁止气缸281、锁止轴承283和转轴固定杆287分别固定在刀模存放架22上。
锁止气缸281固定在刀模存放架22的上部，锁止操作杆282与锁止气缸281的输出轴固定连接。锁止操作杆282穿设在两个锁止轴承283上，两个锁止轴承283固定在刀模存放架22上且分别位于锁止操作杆282的两端，锁止操作杆282在锁止气缸281的驱动下沿锁止轴承283上下滑动。转轴固定杆287固定在刀模存放架22的侧面，在转轴固定杆287上设置多个与每层的刀模板A放置位置对应的避让孔2871。
驱动杆284、锁杆285和锁杆转轴286分别成套地设置在每层刀模板A放置位置的侧部。如图9所示，在锁杆285上分别设置腰形孔2851、转轴孔2852和弧形部2853，腰形孔2851和弧形部2853分别位于转轴孔2852的两侧。锁杆转轴286穿过转轴固定杆287和锁杆285的转轴孔2852将锁杆285活动地连接在锁杆避让孔2871中，锁杆285绕锁杆转轴286转动。驱动杆284一端固定在锁杆285上，其另一端活动地插接在锁杆285的腰形孔2851中。锁杆285的弧形部2853卡接在设置在刀模板A侧边的限位卡槽B中，如图8所示。
锁止操作杆282上下滑动并通过驱动杆284带动锁杆285绕锁杆转轴286转动，从而使得锁杆285的弧形部2853卡入刀模板A的限位卡槽B中将刀模板A锁止，或者，使得锁杆285的弧形部2853从刀模板A的限位卡槽B中松脱出来将刀模板A解锁。
在所述锁止操作杆282上设置接触块288，在所述框架21上分别设置与接触块288配合的上行程开关210和下行程开关211，接触块288随锁止操作杆282上下移动时分别触发上行程开关210和下行程开关211以限制锁止操作杆282移动的上下位置，提高刀模板锁止装置28的操作的安全性。
采用锁止气缸281作为动力，缩短了刀模板锁止装置28的响应时间，提高了刀模供给系统的工作效率。
在每个所述滑道27的侧壁上设置滚轮29。滚轮29位于刀模板A的上方且靠近框架21后侧面的出入部24处，在刀模板A存入或导出刀模存放架22的过程中起到限位和导向作用。在所述刀模存放架22的底部设置刀架支撑柱212，刀架支撑柱212固定在框架21上。在框架21的顶部设置刀架限位柱213。在本实施例中，在所述刀模存放架22的底部四个角落分别设置四个刀架支撑柱212，在框架21的顶部四个角落分别设置四个刀架限位柱213，以提高刀模存放架22的安全性和稳定性。
在所述框架21上设置被刀模存放架22触发的停止开关214，停止开关214限制刀模存放架22的下降位置，提高刀模存放架22移动的安全性和稳定性。
请同时参照图1以及图3所示，所述刀模周转台3包括两个滚道板31、气缸安装板32、第一级推进气缸33、推进滑轨34、推进块35、两个抬升气缸36、气缸连接板37、第二级推进气缸38和带有拉勾310的钩爪板39。两个滚道板31的一端与刀模库2相连接，其另一端与作业台4相连接，两个滚道板31左右分开组成刀模板A进出刀模库2的通道。气缸安装板32固定在作业台4面上，第一级推进气缸33和推进滑轨34固定在气缸安装板32上。第一级推进气缸33采用无杆气缸，驱动推进块35沿推进滑轨34往复移动。
设置第一级推进气缸33和第二级推进气缸38两级推进气缸，不仅可以缩短第一级推进气缸33的长度，避免第一级推进气缸33的长度过长，节省成本，提高推进块35移动的稳定性，而且，两级气缸在推进或回退过程中，可以同时推进或回退，缩短推进或退回的时间，实现推进块35的快速移动，实现刀模板A的快速且稳定地更换，提高运行效率。设置推进滑轨34增加了推进块35在快速推进或回退时的稳定性。
两个抬升气缸36分别固定在推进块35的左右两侧，气缸连接板37分别与两个抬升气缸36的缸杆联接。第二级推进气缸38固定在气缸连接板37上，钩爪板39设置在第二级推进气缸38的缸杆上。第一级推进气缸33通过推进块35同时驱动两个抬升气缸36、气缸连接板37、第二级推进气缸38和钩爪板39沿推进滑轨34往复移动。钩爪板39上的拉勾310插入到设置在刀模板A上的钩孔C中，如图8所示，将刀模板A推入已松开的夹紧限位装置9中或者从已松开的夹紧限位装置9中将刀模板A拔出来。
请同时参照图10至图13所示，所述夹紧限位装置9包括夹紧组件91和限位组件，其安装在位于裁断机1底部的刀模固定板10上。所述夹紧组件91包括左压模板94、右压模板95和压紧气缸96。左压模板94和右压模板95分别设置在刀模固定板10下表面的左右两侧边，压紧气缸96设置在刀模固定板10内，且对称地位于刀模固定板10的左右与前后四个角落的位置。压紧气缸96分别驱动左压模板94和右压模板95将刀模板A压紧在刀模固定板10的下表面上。
所述限位组件包括设置在刀模固定板10前后两侧面的前限位部件和后限位部件，其中，在前限位部件和后限位部件中至少有一个为活动限位部件97，另一个为固定限位部件或活动限位部件97。所述活动限位部件97随左压模板94或右压模板95联动对刀模板A的前后两侧面进行限位或解锁。在图10、图11和图12中，在刀模固定板3的前后两侧面分别设置了活动限位部件97。
当刀模板A处于夹紧状态时，左压模板94和右压模板95分别在压紧气缸96作用下将刀模板A的上下方向压紧在刀模固定板10的下表面上，此时，限位组件同时对刀模板A的前后两侧面进行限位，提高更换刀模板位置的重复性和定位精度，提高裁断产品的尺寸精度。
所述限位组件的动作过程是：当夹紧组件91的左压模板94和右压模板95将刀模板A压紧在刀模固定板10的下表面上时，活动限位部件97也随之将刀模板A的前侧面或/和后侧面进行限位。反之，当夹紧组件91的左压模板94和右压模板95解除对刀模板A的上下方向压紧时，活动限位部件97也随之解除对刀模板A的前侧或/和后侧方向的限位。
在所述刀模固定板10的左右两侧各分别设置两个压紧气缸96，两个压紧气缸96同时动作将刀模板A压紧或松开。
所述压紧气缸96包括设置在刀模固定板10内的圆柱孔961以及设置在圆柱孔961内的阀芯轴962、上活塞963、下活塞964、上气室965和下气室966。上活塞963和下活塞964分别设置在阀芯轴962上，上气室965设置在上活塞963与圆柱孔961的顶壁之间，下气室966设置上活塞963与下活塞964之间。在刀模固定板10上分别设置上气管接口98和下气管接口99。上气管接口98和下气管接口99分别通过设置在刀模固定板10上的上通道967和下通道968与上气室965和下气室966相连通。
本发明将压紧气缸96直接做在刀模固定板10内，简化了刀模板夹紧限位装置的结构，减轻了刀模固定板10的重量，提高了其稳定性。
所述压紧气缸96的动作过程是：当上气室965通过上气管接口98通入高压气体，下气室966通过下气管接口99回收气体之后，驱动阀芯轴962及其上的上活塞963、下活塞964一起向下移动，阀芯轴962顶开左压模板94或右压模板95，实现对刀模板A的解锁。当下气室966通过下气管接口99通入高压气体，上气室965通过上气管接口98回收气体之后，驱动阀芯轴962及其上的上活塞963、下活塞964一起向上移动复位，阀芯轴962带动左压模板94或右压模板95压紧刀模板A。
在所述圆柱孔961的内壁上设置止动垫圈969，所述止动垫圈969限制下活塞964的移动位置，从而限制阀芯轴962的移动位置，使得压紧气缸96的伸缩高度进行了限制。
所述固定限位部件包括限位块和紧固螺栓（图中未示出）。限位块限制刀模板A的移动位置，紧固螺栓将限位块固定在刀模固定板10的侧表面上。
所述活动限位部件97包括第一连杆971、第二连杆972、第一转轴973、第二转轴974和第三转轴975，其中，第一转轴973固定在刀模固定板10上，第三转轴975固定在左压模板94或右压模板95上，第一转轴973活动地设置在第一连杆971的中部，第二转轴974将第一连杆971和第二连杆972的一端部分别活动地连接在一起，第一连杆971的另一端设置阻挡部976对刀模板A进行限位，第二连杆972的另一端则活动地与第三转轴975连接。
请参照图13所示，在所述第一连杆971的阻挡部976设置一段倾斜面或弧形面977，在第一连杆971对刀模板A进行限位的过程中便于将刀模板A推回到正确的限位位置。
所述活动限位部件97的动作过程是：当压紧气缸96驱动左压模板94或右压模板95往下移动时，第三转轴975和第二连杆972则随其向下移动，第二连杆972通过第二转轴974拉动第一连杆971的一端也向下移动，第一连杆971绕第一转轴973转动，第一连杆971的另一端则被抬起，松开被其限位的刀模板A。反之，当压紧气缸96驱动左压模板94或右压模板95往上移动时，第三转轴975和第二连杆972则随其向上移动，第二连杆972通过第二转轴974拉动第一连杆971的一端也向上移动，第一连杆971绕第一转轴973转动，第一连杆971的另一端则被下落，对刀模板A进行限位。
在所述左压模板94和右压模板95与刀模固定板10之间分别设置限位螺杆92。所述限位螺杆92分别调整及限制左压模板94和右压模板95与刀模固定板10之间的最大距离。
采用本发明的夹紧限位装置9可以对刀模板A进行快速限位和夹紧，实现快速更换刀模板A，并且位置重复性好，定位精度高。
在所述刀模固定板10上还设置侧盖93，所述侧盖93将上气管接口98和下气管接口99进行遮盖。
 本发明的实施方式
本发明还公开一种更换刀模板的方法，其使用在如前所述的高速智能裁断加工中心上，该方法包括如下步骤：
步骤一、将旋转裁断头8从位于作业台4中部的工作区域移动到刀模板周转台3的正上方，夹紧限位装置9的活动限位部件97所在位置靠近刀模库2，旋转裁断头8驱动刀模板A下降到换刀模板位置，压紧气缸96分别驱动左压模板94和右压模板95往下移动，通过联动使得活动限位部件97处于解锁状态，夹紧组件91处于松开状态，旧刀模板A1等待更换。
步骤二、第一级推进气缸33驱动第二级推进气缸38和钩爪板39从初始位置向旋转裁断头8所在方向移动，同时第二级推进气缸38也驱动钩爪板39向旋转裁断头8所在方向移动，直至钩爪板39位于要更换的旧刀模板A1的下方，两个抬升气缸36通过气缸连接板37同时驱动第二级推进气缸38和钩爪板39向上移动，直到钩爪板39的拉勾310向上插入旧刀模板A1的钩孔C中。
步骤三、随即，第二级推进气缸38和第一级推进气缸33同时向刀模库2所在方向移动，将旧刀模板A从步骤一的已处于松开状态的夹紧限位装置9中拔出来并移动到刀模库2中设定的位置，然后两个抬升气缸36带动钩爪板39向下移动后，第二级推进气缸38回退，钩爪板39离开刀模库2。
步骤四、刀模库2内的升降装置23动作将需要更换的新刀模板A2升降到适当位置后，第二级推进气缸38再次向刀模库2所在位置移动，两个抬升气缸36也再次将钩爪板39抬起，直到钩爪板39的拉勾310向上插入新刀模板A2的钩孔C中。
步骤五、第一级推进气缸33驱动第二级推进气缸38和钩爪板39向旋转裁断头8所在方向移动，同时第二级推进气缸38也驱动钩爪板39向旋转裁断头8所在方向移动，直至钩爪板39将新刀模板A2移动到已处于松开状态的夹紧限位装置9中，新刀模板A2被处于另一侧的固定限位部件阻挡住，夹紧组件91再反方向动作将新刀模板A2夹紧，压紧气缸96分别驱动左压模板94和右压模板95往上移动，通过联动使得活动限位部件97处于限位状态，新刀模板A2被夹紧和限位，然后两个抬升气缸36带动钩爪板39向下移动后，第一级推进气缸33和第二级推进气缸38回退到初始位置，旋转裁断头8抬升后回到作业台4中部的工作区域，完成换刀模板的动作循环。
上述过程在智能操作系统控制下可以在本发明的裁断机上高速运行。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。
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Claims (10)

  1. 一种高速智能裁断加工中心，其特征在于，包括裁断机、刀模库以及刀模板周转台，裁断机包括机座以及设置在机座上的作业台和横梁，在横梁上设有冲头滑轨，在冲头滑轨上设置有相配合的冲头滑座，在冲头滑座下设置有旋转裁断头，在旋转裁断头的底部设置有刀模固定板，在刀模固定板上设置有裁断用的刀模板和刀模板夹紧限位装置，刀模板周转台位于作业台的左侧，其一端与刀模库相连接，其另一端与作业台相连接；刀模库包括框架和设置在框架内的刀模板存放架及其升降装置，多个刀模板被分层地上下叠放在刀模板存放架中，在框架的四个角落处分别设置导柱，在刀模板存放架上设置与导柱滑动配合的导套，升降装置驱动刀模板存放架沿导柱上下移动；升降装置包括设置有双输出轴的马达齿轮箱、主动带轮、从动轴、从动轴承、从动带轮和同步带，马达齿轮箱设置在框架的顶部，两个主动带轮分别设置在输出轴的两端，两个从动轴承固定在框架下部且位于刀模板存放架的下方，从动轴穿设在两个从动轴承内，从动带轮设置在从动轴的两端，主动带轮通过同步带带动从动带轮转动，在框架的左右两侧分别设置同步带，在每个同步带上分别设置刀架固定板，刀架固定板一端固定在同步带上，其另一端固定在该侧的刀模板存放架上。
  2. 如权利要求1所述的高速智能裁断加工中心，其特征在于，在所述刀模板存放架的左右两侧分别上下设置多个放置刀模板的滑道，在刀模板存放架的右侧设置用于将刀模板定位在滑道中的刀模板锁止装置，所述刀模板锁止装置包括锁止气缸、锁止操作杆、锁止轴承、驱动杆、锁杆、锁杆转轴和转轴固定杆，锁止气缸固定在刀模板存放架的上部，锁止操作杆与锁止气缸的输出轴固定连接，锁止操作杆穿设在两个锁止轴承上，两个锁止轴承固定在刀模板存放架上且分别位于锁止操作杆的两端，锁止操作杆在锁止气缸的驱动下沿锁止轴承上下滑动，转轴固定杆固定在刀模板存放架的侧面，在转轴固定杆上设置多个与每层的刀模板放置位置对应的避让孔，驱动杆、锁杆和锁杆转轴分别成套地设置在每层刀模板放置位置的侧部，在锁杆上分别设置腰形孔、转轴孔和弧形部，锁杆转轴穿过转轴固定杆和锁杆的转轴孔将锁杆活动地连接在锁杆避让孔中，驱动杆一端固定在锁杆上，其另一端活动地插接在锁杆的腰形孔中，锁杆的弧形部卡接在设置在刀模板侧边的限位卡槽中，锁止操作杆上下滑动并通过驱动杆带动锁杆绕锁杆转轴转动。
  3. 如权利要求2所述的高速智能裁断加工中心，其特征在于，在所述锁止操作杆上设置接触块，在所述框架上分别设置与接触块配合的上行程开关和下行程开关，在所述框架上设置被刀模板存放架触发的停止开关。
  4. 如权利要求1所述的高速智能裁断加工中心，其特征在于，所述刀模周转台包括两个滚道板、气缸安装板、第一级推进气缸、推进滑轨、推进块、两个抬升气缸、气缸连接板、第二级推进气缸和带有拉勾的钩爪板，两个滚道板的一端与刀模库相连接，其另一端与作业台相连接，两个滚道板左右分开组成刀模板进出刀模库的通道，气缸安装板固定在作业台面上，第一级推进气缸和推进滑轨固定在气缸安装板上，两个抬升气缸分别固定在推进块的左右两侧，气缸连接板分别与两个抬升气缸的缸杆联接，第二级推进气缸固定在气缸连接板上，钩爪板设置在第二级推进气缸的缸杆上，第一级推进气缸通过推进块同时驱动两个抬升气缸、气缸连接板、第二级推进气缸和钩爪板沿推进滑轨往复移动。
  5. 如权利要求4所述的高速智能裁断加工中心，其特征在于，所述夹紧限位装置包括夹紧组件和限位组件，其安装在裁断机的刀模固定板上，所述夹紧组件包括左压模板、右压模板和压紧气缸，在所述刀模固定板的左右两侧各分别设置两个压紧气缸，两个压紧气缸同时动作将刀模板压紧或松开，左压模板和右压模板分别设置在刀模固定板下表面的左右两侧边，压紧气缸设置在刀模固定板内，压紧气缸分别驱动左压模板和右压模板将刀模板压紧在刀模固定板的下表面上，所述限位组件包括设置在刀模固定板前后两侧面的前限位部件和后限位部件，其中，在前限位部件和后限位部件中至少有一个为活动限位部件，另一个为固定限位部件或活动限位部件，所述活动限位部件随左压模板或右压模板联动对刀模板的前后两侧面进行限位。
  6. 如权利要求5所述的高速智能裁断加工中心，其特征在于，所述压紧气缸包括设置在刀模固定板内的圆柱孔以及设置在圆柱孔内的阀芯轴、上活塞、下活塞、上气室和下气室，上活塞和下活塞分别设置在阀芯轴上，上气室设置在上活塞与圆柱孔的顶壁之间，下气室设置上活塞与下活塞之间，在刀模固定板上分别设置上气管接口和下气管接口，上气管接口和下气管接口分别通过设置在刀模固定板上的上通道和下通道与上气室和下气室相连通，在所述圆柱孔的内壁上设置止动垫圈，所述止动垫圈限制下活塞的移动位置。
  7. 如权利要求5所述的高速智能裁断加工中心，其特征在于，所述活动限位部件包括第一连杆、第二连杆、第一转轴、第二转轴和第三转轴，其中，第一转轴固定在刀模固定板上，第三转轴固定在左压模板或右压模板上，第一转轴活动地设置在第一连杆的中部，第二转轴将第一连杆和第二连杆的一端部分别活动地连接在一起，第一连杆的另一端设置阻挡部对刀模板进行限位，第二连杆的另一端则活动地与第三转轴连接。
  8. 如权利要求5所述的高速智能裁断加工中心，其特征在于，所述固定限位部件包括限位块和紧固螺栓，限位块限制刀模板的移动位置，紧固螺栓将限位块固定在刀模固定板的侧表面上。
  9. 如权利要求5所述的高速智能裁断加工中心，其特征在于，在所述左压模板和右压模板与刀模固定板之间分别设置限位螺杆，所述限位螺杆分别限制左压模板和右压模板与刀模固定板之间的最大距离。
  10. 一种更换刀模板的方法，其特征在于，其使用在如权利要求5所述的高速智能裁断加工中心上，该方法包括如下步骤：
    步骤一、将旋转裁断头从位于作业台中部的工作区域移动到刀模板周转台的正上方，夹紧限位装置的活动限位部件所在位置靠近刀模库，旋转裁断头驱动刀模板下降到换刀模板位置，压紧气缸分别驱动左压模板和右压模板往下移动，通过联动使得活动限位部件处于解锁状态，夹紧组件处于松开状态，旧刀模板等待更换；
    步骤二、第一级推进气缸驱动第二级推进气缸和钩爪板从初始位置向旋转裁断头所在方向移动，同时第二级推进气缸也驱动钩爪板向旋转裁断头所在方向移动，直至钩爪板位于要更换的旧刀模板的下方，两个抬升气缸通过气缸连接板同时驱动第二级推进气缸和钩爪板向上移动，直到钩爪板的拉勾向上插入旧刀模板的钩孔中；
    步骤三、随即，第二级推进气缸和第一级推进气缸同时向刀模库所在方向移动，将旧刀模板从步骤一的已处于松开状态的夹紧限位装置中拔出来并移动到刀模库中设定的位置，然后两个抬升气缸带动钩爪板向下移动后，第二级推进气缸回退，钩爪板离开刀模库；
    步骤四、刀模库内的升降装置动作将需要更换的新刀模板升降到适当位置后，第二级推进气缸再次向刀模库所在位置移动，两个抬升气缸也再次将钩爪板抬起，直到钩爪板的拉勾向上插入新刀模板的钩孔中；
    步骤五、第一级推进气缸驱动第二级推进气缸和钩爪板向旋转裁断头所在方向移动，同时第二级推进气缸也驱动钩爪板向旋转裁断头所在方向移动，直至钩爪板将新刀模板移动到已处于松开状态的夹紧限位装置中，新刀模板被处于另一侧的固定限位部件阻挡住，夹紧组件再反方向动作将新刀模板夹紧，压紧气缸分别驱动左压模板和右压模板往上移动，通过联动使得活动限位部件处于限位状态，新刀模板被夹紧和限位，然后两个抬升气缸带动钩爪板向下移动后，第一级推进气缸和第二级推进气缸回退到初始位置，旋转裁断头抬升后回到作业台中部的工作区域，完成换刀模板的动作循环。
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