WO2022028026A1 - Machine de découpage à l'emporte-pièce rotative multi-station - Google Patents

Machine de découpage à l'emporte-pièce rotative multi-station Download PDF

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Publication number
WO2022028026A1
WO2022028026A1 PCT/CN2021/092396 CN2021092396W WO2022028026A1 WO 2022028026 A1 WO2022028026 A1 WO 2022028026A1 CN 2021092396 W CN2021092396 W CN 2021092396W WO 2022028026 A1 WO2022028026 A1 WO 2022028026A1
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WO
WIPO (PCT)
Prior art keywords
grating
frame
cutting machine
rotary die
command
Prior art date
Application number
PCT/CN2021/092396
Other languages
English (en)
Chinese (zh)
Inventor
宋光辉
刘豪
朱良玉
Original Assignee
山东华滋自动化技术股份有限公司
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Publication of WO2022028026A1 publication Critical patent/WO2022028026A1/fr

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    • 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
    • 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
    • B26D7/22—Safety devices specially adapted for cutting machines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
    • F16P3/12—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine
    • F16P3/14—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
    • F16P3/144—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact using light grids

Definitions

  • the invention relates to the technical field of multi-station rotary die-cutting machines, in particular to a multi-station rotary die-cutting machine.
  • Multi-station rotary die-cutting machine referred to as rotary machine, commonly known as circular knife machine, hob machine or circular knife die-cutting machine;
  • rotary machine commonly known as circular knife machine, hob machine or circular knife die-cutting machine;
  • the current die-cutting machine mostly realizes the pulling, compounding and die-cutting of materials through multiple station tool holders.
  • the current circular die-cutting equipment is equipped with safety gratings, that is, photoelectric Safety protection device, by installing the transmitting end and the receiving end of the safety grating at both ends of the equipment, to avoid casualties that may be caused by personnel approaching the equipment during the processing of the equipment.
  • the current circular knife die-cutting equipment usually has the recovery of strip material and sheet material at the discharge end of the equipment. Receiving, but when producing sheet products, it is impossible to automatically rewind the material through the material shaft. Usually, a single sheet product is collected manually. Due to the existence of the safety grating, manual product collection cannot be directly performed at the end of the equipment. Remove the safety grating and carry it to the receiving process for re-installation. When re-installing, it is necessary to ensure the precise positioning of the safety grating.
  • the disassembly and assembly operation is time-consuming and laborious;
  • the safety grating When the safety grating is turned on, once the operator or maintenance personnel enters the effective range of the safety grating, the multi-station rotary die-cutting machine will stop running, and the operator or maintenance personnel cannot accurately observe the operation status of the equipment.
  • the behavior of personnel or maintenance personnel is protected, but the safety grating makes the operator or maintenance personnel have a certain distance from the multi-station rotary die-cutting machine, which cannot meet the needs of the operator or maintenance personnel for close-range maintenance or observation of equipment operation.
  • the present inventor has conducted in-depth research on this, and has completed the present invention after a lot of creative work.
  • the technical problem to be solved by the present invention is: to provide a multi-station rotary die-cutting machine, so as to solve the problem of disassembling and assembling the safety grating when the belt-shaped product and the sheet-shaped product are converted and processed in the current multi-station rotary die-cutting machine. It is cumbersome, and the safety grating cannot take into account the technical problems of personnel safety and equipment operation status observation at the same time.
  • the technical scheme of the present invention is:
  • a multi-station rotary die-cutting machine comprising a frame, a plurality of station tool seats are arranged on the frame, a first grating mounting frame is fixedly installed at the feeding end of the frame, and an outlet of the frame is The material end is detachably installed with a take-up roller, and the discharge end of the frame is also slidably installed with a second grating mounting frame, and an in-position detection mechanism is arranged between the second grating mounting frame and the frame.
  • the first grating mounting frame and the second grating mounting frame are respectively fixedly installed with the transmitting end and the receiving end of the safety grating;
  • a pressure plate is respectively fixedly installed on the end of the tool holder frame of the station tool holder, and a connecting piece is fixedly installed at one end of the driving bottom roller of the station tool holder close to the pressure plate, and the connecting piece penetrates through the pressure plate, and An encoder is connected, the encoder is fixedly mounted on the pressing plate, and is connected with the motor of the tool seat through the controller;
  • the two ends of the frame are fixedly installed with a rope switch connected to the controller, the rope switch is connected by a wire rope, a mounting plate is also slidably installed on the frame, and a console is fixedly installed on the installation plate , and the console is located outside the light curtain formed by the safety grating.
  • the take-up roller includes a mounting flange and a quick-release roller body, the mounting flange is mounted on the frame and is connected to the coil motor drive, and the quick-release roller body is A plurality of first gourd holes are evenly opened on the mounting seat of the device, and the quick release roller body passes through the first gourd holes and is fixedly mounted on the mounting flange by means of mounting bolts.
  • the discharge end of the frame is provided with two parallel sliding rails, both ends of the sliding rails are provided with anti-slip and disengagement heads, and the second grating mounting frame is fixedly installed on the
  • the slider is slidably installed on the sliding rail
  • the second grating mounting frame is slidably installed on the frame through the sliding rail and the slider
  • the second grating is installed
  • the frame is provided with a positioning mechanism for realizing its sliding positioning
  • the positioning mechanism includes a fixing block, a locking block and a positioning bolt, the fixing block is fixedly installed on the second grating mounting frame, and the fixing block is provided with a threaded hole, and the locking block has a
  • the sliding rail is fitted with a groove, and the locking block is provided with a counterbore corresponding to the threaded hole, and the locking block passes through the counterbore and the threaded hole and uses the positioning bolts are mounted on the fixing block;
  • the in-position detection mechanism includes a first electromagnetic lock and a second electromagnetic lock that are fixedly installed on the frame, the first electromagnetic lock is located at the end of the discharge end of the frame, and the second electromagnetic lock is close to the frame.
  • the station tool seat at the discharge end of the frame is provided, and the second grating mounting frame is respectively fixed with a first latch and a second latch corresponding to the first electromagnetic lock and the second electromagnetic lock;
  • a sliding window is slidably installed on the top of the second grating mounting frame, a handle is provided on the sliding window, and a third electromagnetic lock is fixedly installed on the second grating mounting frame, and the third electromagnetic lock is close to the safety grating
  • a third bolt corresponding to the third electromagnetic lock is fixedly installed on the sliding window.
  • the connecting piece includes an integrally formed sleeve portion and a connecting rod portion, and the sleeve portion has a slot that is adapted to the end of the roller shaft of the transmission bottom roller. It is clamped to one end of the roller shaft of the driving bottom roller through a card slot, coaxially arranged with the roller shaft of the driving bottom roller, and is fixedly connected with the roller shaft of the driving bottom roller by means of bolts.
  • the encoder is installed on the The connecting rod portion is connected with the connecting rod portion.
  • the multi-station rotary die-cutting machine further includes a safety monitoring system, and the safety monitoring system includes an electric control system and an operation handle that communicates and interacts with the electric control system;
  • the operating handle is provided with a safe entering grating mode and a device jogging mode, which is used to send grating entry instructions or jogging instructions to the electronic control system according to the operator's operation action;
  • the electronic control system is used for controlling the closing of the safety grating according to the grating entry command and the jog command fed back by the operating handle, and at the same time controlling the multi-position rotary die-cutting machine to be in a low-speed running state or a jogging running state.
  • the operating handle is provided with a handle rod body, a push switch is provided on the circumferential surface of the handle rod body, and a jog button is provided at the top of the handle rod body;
  • the push switch corresponds to the operator's fingers other than the thumb
  • the jog button includes a forward jog button and a reverse jog button
  • the handle rod body is provided with a microcontroller connected with the push switch and the jog button, and the microcontroller is connected in communication with the electric control system.
  • the push switch is provided with three gear positions, namely the release gear position, the half-pressed gear position and the pressed gear position;
  • the microcontroller When the push switch is in the half push position, the microcontroller senses the state of the push switch, the microcontroller generates a grating entry command, and sends the generated grating entry command to the the electric control system, the electric control system controls and closes the safety grating according to the grating entry instruction;
  • the jog button on the handle bar is in an activated state
  • the microcontroller When the push switch is in the half-press position and enters the light curtain area, when the operator presses the forward jog button, the microcontroller generates the jog command, and converts the generated jog command to the The jog command is sent to the electronic control system, and the electronic control system sends a forward start operation command to the feed shaft motor and the cutter shaft motor of the multi-station rotary die-cutting machine, wherein the multi-station rotary die-cutting machine The operating speed is less than the preset first operating speed threshold;
  • the microcontroller When the operator presses the reverse jog button, the microcontroller also generates a jog command, and sends the generated jog command to the electronic control system, and the electronic control system sends the jog command to the multi-station
  • the feed shaft motor and the cutter shaft motor of the rotary die-cutting machine send a reverse start operation command, wherein the running speed of the multi-station rotary die-cutting machine is less than a preset first running speed threshold.
  • the multi-station rotary die-cutting machine includes two states: a running mode and a setting mode, wherein:
  • the multi-station rotary die-cutting machine In the operating mode, the multi-station rotary die-cutting machine is in a normal working state, and in the setting mode, the multi-station rotary die-cutting machine is in a stopped state.
  • the electronic control system includes:
  • the motor running speed detection module is used to detect the rotation speed of the tool shaft motor through the encoder installed on the station tool holder in the operation mode;
  • the operation speed comparison and judgment module is used to compare the current rotation speed of the knife shaft motor with the preset second operation speed threshold and the first operation speed threshold when receiving the grating entry command, and judge the current rotation speed of the blade shaft motor Whether the second operating speed threshold is less than or equal to the first operating speed threshold;
  • the first forced stop command generation module is configured to generate a first forced stop command when the operation speed comparison and judgment module judges that the current rotation speed of the knife shaft motor is greater than the first operation speed threshold and less than the second operation speed threshold, and generates the first forced stop command.
  • the first forced stop command is sent to the cutter shaft motor to control the multi-station rotary die-cutting machine to stop running;
  • the sudden drop speed command generation module is used to generate a sudden drop speed command when the operation speed comparison and judgment module judges that the current speed of the knife shaft motor is greater than or equal to the second operating speed threshold, and send the sudden drop speed command to all
  • the cutter shaft motor is used to control the operation speed of the multi-station rotary die-cutting machine to be reduced below the first operation speed threshold.
  • the forward jog button and the reverse jog button are in the point Active state
  • the microcontroller sends a grating opening command to the electronic control system, and the electronic control system controls the opening of the safety grating;
  • the electronic control system further includes:
  • the operation state judgment module is used for judging the operation state of the current multi-station rotary die-cutting machine.
  • the operation state of the multi-station rotary die-cutting machine includes a stop state and a running speed greater than zero and less than or equal to a preset first running speed Threshold low-speed operation state;
  • the second forced stop command generation module is configured to generate a second forced stop when the operation state of the multi-station rotary die-cutting machine is in a low-speed operation state with an operation speed greater than zero and less than or equal to a preset first operation speed threshold command, and send the second forced stop command to the cutter shaft motor to control the multi-station rotary die-cutting machine to stop running.
  • the multi-station rotary die-cutting machine provided with safety grating can ensure the safety of operators.
  • the safety monitoring system of some multi-station rotary die-cutting machines can not only realize the use of safety gratings to prevent people from entering dangerous areas by mistake, but also realize the need for people to maintain or observe the operation of the equipment at close range, and meet the requirements of multi-station rotary die-cutting. Machine jog to view the demand.
  • Fig. 1 is the structural representation of the multi-station rotary die-cutting machine of the present invention
  • FIG. 2 is a schematic diagram of the installation structure of the second grating mounting frame of the present invention on the rack;
  • FIG. 3 is a schematic diagram of the matching installation structure of the conveyor and the second grating mounting frame of the present invention
  • FIG. 4 is a schematic diagram of the installation structure of the positioning mechanism of the present invention.
  • Fig. 5 is the exploded structure schematic diagram that the encoder of the present invention is installed on the station tool seat;
  • Fig. 6 is the cross-sectional structural schematic diagram of the encoder of the present invention installed on the station tool holder;
  • Fig. 7 is the structural schematic diagram of the connector of the present invention.
  • Fig. 8 is the structural schematic diagram of the take-up roller of the present invention.
  • FIG. 9 is a schematic diagram of the installation structure of the console of the present invention.
  • Fig. 10 is the state structure schematic diagram when the present invention produces sheet-like product
  • Figure 11 is a schematic diagram of the installation structure of the conveyor according to the present invention on the station tool holder;
  • Fig. 12 is the structural schematic diagram of the conveyor of the present invention.
  • FIG. 13 is another three-dimensional schematic diagram of the conveyor of the present invention.
  • Figure 14 is a schematic diagram of the internal structure of the conveyor installation shell of the present invention.
  • Fig. 15 is the enlarged structural representation of I part in Fig. 14;
  • Figure 16 is a schematic view of the structure of the right side of the conveyor of the present invention.
  • Fig. 17 is the structural representation of the peeling knife of the present invention.
  • Figure 18 is a schematic cross-sectional view of the peeling knife of the present invention.
  • 19 is a schematic structural diagram of the safety monitoring system of the multi-station rotary die-cutting machine of the present invention.
  • Fig. 20 is the structural block diagram of the electric control system of the present invention.
  • this embodiment provides a multi-station rotary die-cutting machine, which includes a frame 1, a plurality of station tool holders 2 are arranged on the frame 1, and a feed end of the frame 1 is fixedly installed with a first A grating installation frame 4, the discharge end of the frame 1 is detachably installed with the take-up roller 3, and the discharge end of the frame 1 is also slidably installed with a second grating installation frame 5, the second grating installation frame 5 and the frame 1 is provided with an in-position detection mechanism, and the first grating mounting frame 4 and the second grating mounting frame 5 are respectively fixedly installed with the transmitting end and the receiving end of the safety grating 6 .
  • the take-up roller 3 includes a mounting flange 301 and a quick-release roller body 302 .
  • the mounting flange 301 is mounted on the frame 1 and is connected to the coil motor drive.
  • a plurality of first gourd holes 3021 are evenly opened, and the quick release roller body 302 passes through the first gourd holes 3021 and is fixedly mounted on the mounting flange 301 by means of mounting bolts 303 .
  • the winding motor and the drive connection structure between the coil motor and the mounting flange 301 are all recognized by those skilled in the art, so they will not be repeated here; , rotate the quick release roller body 302 at a certain angle, and it can be removed.
  • the discharge end of the frame 1 is provided with two parallel sliding rails 7.
  • the sliding rails 7 Both ends are provided with anti-slip head 701
  • the second grating mounting frame 5 is fixedly mounted with a slider 8
  • the slider 8 is slidably mounted on the sliding rail 7
  • the second grating mounting frame 5 passes through the sliding rail 7,
  • the slider 8 is slidably installed on the rack 1
  • the second grating mounting frame 5 is provided with a positioning mechanism for realizing its sliding positioning;
  • the anti-slip disengagement head 701 is provided to avoid accidental slippage when sliding on the second grating mounting frame 5 phenomenon occurs.
  • the positioning mechanism includes a fixing block, a locking block 10 and a positioning bolt.
  • the fixing block is fixedly installed on the second grating mounting frame 5, and the fixing block is provided with a threaded hole.
  • the locking block 10 is provided with a countersunk hole corresponding to the threaded hole, and the locking block 10 is installed on the fixing block through the countersunk hole, the threaded hole and using the positioning bolt; the positioning mechanism is provided, and the positioning bolt is loosened , the sliding adjustment of the second grating mounting frame 5 on the frame 1 can be realized.
  • the positioning bolts are re-tightened, and the locking block 10 is pressed to the slide rail 7 through the positioning bolts for locking and positioning, so as to realize the second
  • the positioning of the adjustment position of the grating mounting frame 5 is fixed, and the adjustment and positioning operations are simple and convenient.
  • the in-position detection mechanism includes a first electromagnetic lock 11 and a second electromagnetic lock 13 fixedly installed on the rack 1.
  • the first electromagnetic lock 11 is located at the end of the discharge end of the rack 1, and the second electromagnetic lock 13 is close to the rack 1.
  • the station tool seat 2 at the end is provided, and the second grating mounting frame 5 is respectively fixed with a first latch 12 and a second latch 14 corresponding to the first electromagnetic lock 11 and the second electromagnetic lock 13;
  • the lock 11 and the second electromagnetic lock 13 play the role of in-position detection of the adjustment position of the second grating mounting frame 5 , and provide a reliable guarantee for the precise adjustment and positioning of the second grating mounting frame 5 on the frame 1 .
  • the first electromagnetic lock 11 is fixedly installed at the end of the upper slide rail 7, and is installed at the position of the anti-slip head 701 at one end of the upper slide rail 7, and the second electromagnetic lock 13 is fixedly installed at the lower rail 7 close to the station
  • One end of the tool holder 2 is installed at the position of the anti-slip head 701 at one end of the lower rail 7 , and the first pin 12 and the second pin 14 are respectively fixed and installed on the slider 8 .
  • the top of the second grating installation frame 5 is slidably installed with a sliding window 501 to avoid the feeding roller on the top of the frame 1, and the sliding window 501 is provided with a handle 502;
  • the sliding window 501 is slidably installed on the second grating installation frame 5 through the sliding groove.
  • the provided sliding window 501 provides convenience for the second grating mounting frame 5 to avoid sliding adjustment of the discharging roller.
  • a third electromagnetic lock 15 is fixedly installed on the second grating mounting frame 5 , the third electromagnetic lock 15 is arranged close to the safety grating 6 , and a third latch 16 corresponding to the third electromagnetic lock 15 is fixedly installed on the sliding window 501 .
  • the three electromagnetic locks 15 can detect whether the sliding window 501 is closed or not.
  • a towline mounting plate 507 for installing a towline is fixedly installed on the frame 1 and the second grating mounting frame 5, which provides convenience for the installation of the towline.
  • the outer bottoms of the first grating mounting frame 4 and the second grating mounting frame 5 are provided with supporting feet 508 to support the grating mounting frame 3801 , so that the grating mounting frame 3801 is more stable and firm.
  • the second grating mounting frame 5 is located at the end of the rack 1, and the take-up roller 3 is mounted on the rack 1, between the second grating mounting rack 5 and the station tool holder 2 at the discharge end of the rack 1 .
  • a pressure plate 22 is fixedly installed on the end of the tool holder frame of the station tool holder 2, respectively, and a connecting piece 23 is fixedly installed at one end of the transmission bottom roller of the station tool holder 2 close to the pressure plate 22.
  • the part 23 penetrates through the pressure plate 22 and is connected with an encoder 24, the encoder 24 is fixedly installed on the pressure plate 22, and is connected with the tool seat motor through the controller; the installed encoder 24 can realize the real-time monitoring of the speed of the tool seat motor ,
  • the encoder 24 If the encoder 24 detects that the rotational speed is floating, it will feed back the detection signal to the controller, and the controller will control the rotational speed of the tool holder motor to ensure high-precision machining of materials. In the event of an accident, the encoder 24 detects an abnormal rotation speed, and the controller controls the motor of the tool holder to stop in time to ensure the safe use of the tool holder 2 at the station, and the safety is effectively guaranteed.
  • the connecting piece 23 includes an integrally formed sleeve part 2301 and a connecting rod part 2302.
  • the sleeve part 2301 has a slot 23011 which is adapted to the end of the roller shaft of the drive bottom roller.
  • the connecting part 23 is clamped to the drive bottom roller through the slot 23011
  • One end of the roller shaft is coaxially arranged with the roller shaft of the driving bottom roller, and is fixedly connected with the roller shaft of the driving bottom roller by means of bolts.
  • the encoder 24 is installed on the connecting rod portion 2302 and is connected with the connecting rod portion 2302; Part 23 realizes the connection between the drive bottom roller shaft and the encoder 24, the connection is simple and convenient, and is clamped through the card slot 23011 and fixed with the drive bottom roller shaft by bolts, the connection is firm and reliable, and the transmission precision is high.
  • the connection with the encoder 24 provides a reliable guarantee for accurate rotational speed detection.
  • a protective shell 25 is also fixedly installed on the pressing plate 22, and the protective shell 25 is arranged to cover the encoder 24, so as to realize the effective protection of the encoder 24 and be more beautiful.
  • the two ends of the frame 1 are fixedly installed with a pull-rope switch 19 connected to the controller, the pull-rope switch 19 is connected by a wire rope, and the second grating mounting frame 5 is provided with a connection with the frame 1
  • the avoidance hole 505 corresponding to the upper pull rope switch 19 is also fixedly installed on the second grating installation frame 5 with a protective box 509 corresponding to the avoidance hole 505, so as to realize the safety protection of the pull rope opening 19.
  • the wire rope is not It is shown in the drawings; when the equipment is manually operated, if a safety situation occurs, the wire rope is pulled, and the rope switch 19 controls the equipment to emergency stop through the controller to ensure the operation safety.
  • a mounting plate 20 is also slidably installed on the frame 1 , and a console 21 is fixedly installed on the mounting plate 20 , and the console 21 is located outside the light curtain formed by the safety grating 6 to facilitate work.
  • part of the light curtain at the corresponding position of the safety grating 6 and the mounting plate 20 is closed, so that the safety grating 6 will not detect the mounting plate 20 and issue a safety alarm.
  • the safety grating 6 Due to the narrow thickness of the mounting plate 20, the safety grating 6
  • the light curtain area that needs to be closed is small and not enough for human hands to reach, thus avoiding the possibility of entering the working range of the equipment from the closing area of the light curtain and causing accidental safety accidents.
  • the multi-station rotary die-cutting machine also includes a conveyor that can be hung on the station cutter base 2 at the discharge end of the frame 1.
  • the conveyor includes a lower conveying frame 26 and an upper conveying frame 38 installed at one end of the lower conveying frame 26.
  • the lower conveying frame 26 and the upper conveying frame 38 are respectively surrounded by a lower conveying belt driven by a driving device. 27 and the upper conveyor belt 39.
  • the adjacent side of the upper conveyor belt 39 and the lower conveyor belt 27 has a conveying gap for products to pass through, and driven by the driving device, the conveying direction of the upper conveyor belt 39 and the adjacent side of the lower conveyor belt 27 is the same, and the lower conveyor frame 26
  • One end is also provided with a peeling knife and a hanging frame, the peeling knife is close to the lower conveyor belt 27 and is set corresponding to the lower conveyor belt 27, and the second grating mounting frame 5 is provided with an opening 503 for the conveyor to pass through.
  • a baffle 504 is fixed and installed at the position of the opening 503 of the second grating mounting frame 5, so as to realize the blocking of the opening 503 and avoid the potential safety hazard caused by the insertion of human hands or the insertion of foreign objects.
  • both ends of the lower conveying frame 26 are rotatably installed with lower belt driven rollers, and the lower conveyor belt 27 is wound around between the two lower belt driven rollers.
  • a mounting shell 28 is fixedly installed below the lower conveying frame 26.
  • the driving device includes a driving motor 29.
  • the driving motor 29 is fixedly installed in the mounting shell 28.
  • the mounting shell 28 is also rotatably installed with a lower belt driving roller 34, a belt tensioning roller 35 and The tensioning roller 36, the lower belt driving roller 34 is drivingly connected with the driving motor 29, and is located between the belt tensioning roller 35 and the tensioning roller 36, and has an installation height difference with the belt tensioning roller 35 and the tensioning roller 36 , the lower conveyor belt 27 is arranged in turn around the belt tension roller 35, the lower belt drive roller 34 and the tension adjustment roller 36; the lower conveyor belt 27 is provided with a driving mode, the drive motor 29 works, drives the lower belt drive roller 34 to rotate, and then The lower conveyor belt 27 is driven to rotate to realize the conveying of sheet products.
  • the belt tensioning roller 35 and the tensioning roller 36 both include a roller shaft and a roller body rotatably mounted on the roller shaft.
  • the belt tensioning roller 35 and the tensioning roller 36 are respectively connected to the installation shell 28 through the roller shaft. installed inside.
  • Bar-shaped mounting holes 2801 are correspondingly opened on both sides of the mounting shell 28.
  • the roller shaft of the tensioning roller 36 is slidably mounted on the mounting shell 28 through the bar-shaped mounting holes 2801.
  • the mounting shell 28 is threadedly mounted with corresponding strip-shaped mounting holes 2801.
  • the lower belt tension adjustment bolt 37 is provided, the end of the lower belt tension adjustment bolt 37 is set against the roller shaft of the tension adjustment roller 36, and the tension adjustment roller 36 is adjusted by unscrewing the lower belt tension adjustment bolt 37 , to realize the tension adjustment of the lower conveyor belt 27, and the adjustment operation is simple and convenient.
  • a screw hole is provided at one end of the lower conveying frame 26 away from the peeling knife, and a sliding plate or a silo can be externally installed.
  • the drive motor 29 is connected with a reducer 30, the output shaft of the reducer 30 is installed with a driving pulley 31, and one end of the lower belt drive roller 34 is installed with a driven belt.
  • a synchronous belt 33 is framed between the driving pulley 31 and the driven pulley 32 , and the driving pulley 31 and the driven pulley 32 are connected by transmission through the synchronous belt 33 .
  • the lower belt drive roller 34 has several circular belt grooves evenly along the axial direction. According to the product conveying requirements, a flat belt or a round belt can be selected as the lower conveyor belt 27 to meet the conveying requirements of different products.
  • a plurality of adjusting screws 40 are movably inserted on the upper conveying frame 38, and the plurality of adjusting screws 40 are threadedly installed on the lower conveying frame 26 through the upper conveying frame 38, and the adjusting screws
  • a compression spring 41 is sheathed between the top of 40 and the upper conveying frame 38 .
  • the upper conveying frame 38 is evenly provided with a plurality of installation holes, and the adjusting screw 40 passes through the installation holes and is threadedly installed on the lower conveying frame 26 .
  • the upper conveying frame 38 is also threadedly fitted with adjusting screws 42 for adjusting the conveying gap.
  • the adjusting screws 42 are respectively arranged at the four corners of the upper conveying frame 38, and the bottom ends of the adjusting screws 42 abut against the bottom.
  • a transport frame 26 is provided.
  • the upper conveying frame 38 is installed on the lower conveying frame 26 by adjusting the screw 40, which is convenient for installation, use and disassembly according to the conveying requirements of sheet products.
  • the installation of the upper conveying frame 38 can be realized, and the front and rear adjustment of the upper conveying frame 38 can be realized according to the different sheet products.
  • there is an adjustment screw 42 which can be rotated and adjusted according to the thickness of the sheet product.
  • the adjustment of the installation height of the rack 38 ensures that there is a minimum gap between the upper conveyor belt 39 and the lower conveyor belt 27 to accommodate the passage of the product.
  • the compression spring 41 set on the adjustment screw 40 is adjusted. If the thickness of the conveyed sheet product is different, it will pass through the compression spring.
  • the pressing or loosening of 41 realizes the floating adjustment of the conveying gap between the upper conveyor belt 39 and the lower conveyor belt 27, and automatically adjusts the suitable products to ensure that the products will not be damaged when the sheet products are conveyed.
  • the upper conveying frame 38 includes an installation frame 3801 and a tensioning adjusting frame 3802.
  • the installation frame 3801 is installed on the upper conveying frame 38 through the adjusting screw 40, and the end of the installation frame 3801 close to the peeling knife is rotated and installed with the upper belt driven roller;
  • the adjustment frame 3802 is installed on the other end of the installation frame 3801 through the adjustment and positioning mechanism, and the end of the tension adjustment frame 3802 is rotatably installed with the upper belt drive roller 43, which is driven by the transmission connection mechanism with the lower belt drive roller 34. Under the action of the transmission connection mechanism, the upper belt driving roller 43 and the lower belt driving roller 34 turn in opposite directions, and the upper conveyor belt 39 is wound between the upper belt driving roller 43 and the upper belt driven roller.
  • two of the adjusting screws 42 are installed at the corners of one end of the mounting frame 3801 respectively, and the other two adjusting screws 42 are respectively installed at both ends of the tensioning adjusting frame 3802 .
  • the adjustment and positioning mechanism includes a fixed block, a locking bolt 45 and an upper belt tensioning adjustment bolt 46.
  • the fixed block is fixedly installed on both sides of the other end of the mounting frame 3801.
  • the two sides of the tensioning adjusting frame 3802 are provided with elongated holes 38021.
  • the tightening bolt 45 is threadedly installed on the mounting frame 3801 through the elongated hole 38021
  • the upper belt tensioning adjusting bolt 46 is threadedly mounted on the fixing block, and the end is set against the tensioning adjusting frame 3802 .
  • the upper conveyor frame 38 provided with the structure, loosens the locking bolts 45, and adjusts the tension of the upper conveyor belt 39 by screwing the upper belt tensioning adjustment bolts 46. After the adjustment is completed, re-tighten the locking bolts 45.
  • the positioning and fixing of the current adjustment position can be realized, and the adjustment operation is simple and convenient.
  • the transmission connection mechanism includes a driving transmission wheel 47, a driven transmission wheel 48, a pulley 49 and a transmission belt 50.
  • the driving transmission wheel 47 is installed on the roller shaft of the lower belt driving roller 34, and the driven transmission wheel 48 is installed on the upper belt driving roller.
  • the belt winding wheel 49 is provided with a number of The pulleys 49 are respectively rotatably mounted on the mounting shell 28, the drive belt 50 is wound around the drive pulley 47, the pulley 49 and the driven drive pulley 48, and the driven drive pulley 48 is connected to the drive pulley 47 through the drive belt 50.
  • the transmission connection mechanism realizes the synchronous drive of the lower conveyor belt 27 and the upper conveyor belt 39 through a set of driving devices, and through the special winding method of the transmission belt 50, the upper belt drive roller 43 and the lower belt drive roller 34
  • the rotation direction of the roller is opposite, Therefore, it is ensured that the conveying directions of the adjacent product conveying sides of the upper conveying belt 39 and the lower conveying belt 27 are the same, and the transmission belt 50 is convenient for bonding or replacement after heating, and can be applied to the front and rear adjustment of the upper conveying frame 38 and the tension adjustment of the upper conveying belt 39.
  • the diameter ratio of the driving transmission wheel 47 and the driven transmission wheel 48 is consistent with the outer diameter ratio of the lower belt driving roller 34 and the upper belt driving roller 43, which can ensure that the transmission speed of the upper conveying belt 39 and the lower conveying belt 27 is the same.
  • the orderly and neat delivery of products provides a reliable guarantee.
  • the transmission belt 50 is a double-sided toothed synchronous belt 33 , which is convenient to realize the transmission meshing with the driving transmission wheel 47 , the driven transmission wheel 48 , and the belt winding wheel 49 .
  • the peeling knife includes a peeling knife body 51 and a peeling knife support 52 , and the peeling knife body 51 is fixedly installed in the middle of the two peeling knife supports 52 and located at one end of the peeling knife support 52 .
  • the bottom of the other end of the peeling knife support 52 is provided with a mounting groove 5201
  • the peeling knife support 52 is also provided with a fixed pressure block 53 and a fastening bolt 54 for adjusting the fixed pressure block 53
  • the fixed pressure block 53 is located at the bottom of the peeling knife support 52 . It is slidably installed, and is arranged corresponding to the installation groove 5201 , and the fastening bolt 54 penetrates the stripping knife bracket 52 and is connected with the fixing pressing block 53 in a threaded manner.
  • a first hinge pin 55 is fixedly installed on both sides of one end of the lower conveying frame 26, and the peeling knife bracket 52 is hung on the first hinge pin 55 through the mounting groove 5201, and is locked and fixed by the fastening bolt 54 and the fixing pressure block 53 .
  • the first hinge pin 55 is located between the fixed pressing block 53 and the peeling knife bracket 52.
  • the peeling knife bracket 52 is fixed to the lower conveying frame 26 by the fixing block to complete the installation. 52 above for fixing operation, there is enough operating space, making the installation of the peeling knife easier.
  • the hanging frame includes a hanging plate 56 fixedly installed on one end of the lower conveying frame 26 and a mounting block 57 used to install and fix on the workstation tool holder 2.
  • a second hinge pin 58 is fixedly installed on the installation block 57.
  • the hanging plate 56 is provided with a second hoist hole 5601 corresponding to the second hinge pin 58.
  • the mounting block 57 is fixedly installed on the workstation tool seat 2, and the hanging plate 56 is hung through the second hoist hole 5601.
  • the discharge gap formed between the stripping knife and the die-cutting knife roller and the die-cutting bottom roller of the station tool holder 2 Corresponding setting; the provided hanging frame, when the conveyor is installed on the station tool holder 2, the mounting block 57 is fixedly installed on the tool holder frame of the station tool holder 2, and then the second gourd hole 5601 is used to install it.
  • the hanging plate 56 is hung on the mounting block 57, and the fixing bolt 59 is tightened with a wrench to complete the installation and fixation of the conveyor on the station tool base 2.
  • the installation is simple and can be completed by one person, saving manpower.
  • a fourth electromagnetic lock 17 is also fixedly installed on the second grating mounting frame 5 , the fourth electromagnetic lock 17 is located on the side of the opening 503 , and the second grating mounting rack 5 is provided with a through hole corresponding to the fourth electromagnetic lock 17, and a fourth latch 18 is fixedly installed on the lower conveying frame 26.
  • the fourth latch 18 is connected to the fourth electromagnetic lock.
  • the locks 17 are correspondingly arranged, and through the provided fourth electromagnetic lock 17, when the sheet-like product is produced, it can be detected whether the conveyor is installed in place.
  • the first electromagnetic lock 11 , the second electromagnetic lock 13 , the third electromagnetic lock 15 and the fourth electromagnetic lock 17 all use D4NS-4CF safety door switches.
  • a conveyor hanger 506 is fixedly installed on the second grating mounting frame 5.
  • the lower conveyor 26 is fixedly connected to the conveyor hanger 506, so that the conveyor After hanging, the fixing is more stable and firm.
  • the safety grating 6 can ensure the safety of the operator.
  • the second grating mounting frame 5 is positioned and fixed at the end of the frame 1, and the take-up roller 3 is mounted on the On the frame 1, it is located between the second grating mounting frame 5 and the station tool holder 2.
  • the strip-shaped product processed by the station tool holder 2 is wound on the receiving roller 3, and the strip-shaped product is realized by the receiving shaft.
  • the coil material of the product is collected; when the belt-shaped product is converted into a sheet-shaped product for production and processing, the receiving roller 3 is removed, and the conveyor is hung on the discharge side of the station knife base 2 through the hanging frame, and then the Remove the baffle 504 on the second grating mounting frame 5, pull the sliding window 501 out, and finally slide the second grating mounting frame 5 to the position close to the station tool seat 2 to reposition and fix it, and reset the sliding window 501.
  • the material belt is die-cut by the station knife base 2
  • the peeling action of the peeling knife body 51 the die-cut sheet products are peeled from the material belt to the lower transmission belt 50 for transportation, and the material belt is passed through the peeling knife.
  • the rear end of the body 51 is rotated to the bottom of the peeling knife body 51 to realize winding.
  • the multi-station rotary die-cutting machine also includes a safety monitoring system, which includes an electronic control system 60 and an operating handle 61 that communicates and interacts with the electronic control system 60. , when the operating handle 61 is not in use, it is hung on the console 21 .
  • the operating handle 61 is provided with a safety entry grating mode and a device jog mode, which are used to send grating entry instructions or jog instructions to the electronic control system 60 according to the operator's operation action;
  • the electronic control system 60 is used to control the closing of the safety grating 6 according to the grating entry command and the jog command fed back by the operating handle 61, and control the multi-station rotary die-cutting machine to be in a low-speed running state or a jogging running state.
  • the safety grating 6, the operating handle 61 and the electric control system 60 of the multi-station rotary die-cutting machine form a safety protection frame to protect the safety of the operator who enters the light curtain, and can realize the jog operation of the equipment, A detailed technical description is given below.
  • the operating handle 61 is provided with a handle rod body 6101, the circumferential surface of the handle rod body 6101 is provided with a push switch 6102, and the top of the handle rod body 6101 is provided with a jog button;
  • the push switch 6102 corresponds to the operator's fingers other than the thumb, and the jog buttons include a forward jog button 6103 and a reverse jog button 6104;
  • the handle rod body 6101 is provided with a microcontroller 6105 (represented by a dotted frame in the figure) connected to the push switch 6102 and the jog button.
  • the microcontroller 6105 is connected to the electronic control system 60 for communication.
  • the push switch 6102 and the jog button are common setting switches or buttons in the handle devices on the market
  • the microcontroller 6105 is a conventional component or electrical component with motion sensing and data command sending, for example, it can use
  • the STM32 series microcontroller 6105 is not intended to limit the present invention here.
  • the above-mentioned operation handle 61 can be obtained by purchasing in the market, and the obtained operation handle 61 can be set according to the above-mentioned content.
  • an Omron model A4EG three-stage hand-held switch can be used. Limit the invention.
  • the push switch 6102 is provided with three gear positions, namely the release position, the half-pressed position and the pressed position;
  • the microcontroller 6105 senses the state of the push switch 6102, the microcontroller 6105 generates a grating entry command, and sends the generated grating entry command to the electronic control system 60, and the electronic control The system 60 controls and closes the safety grating 6 according to the grating entry instruction;
  • the pressing gear can be set in other states, which will not be repeated here.
  • the gear position of the push switch 6102 can be shifted from the release gear to the half-pressed gear, then into the pressed gear, and vice versa, wherein the pressed gear can be directly switched to the release gear .
  • the microcontroller 6105 when the push switch 6102 is in the half-press position and the operator presses the forward jog button 6103, the microcontroller 6105 generates a jog command, and sends the generated jog command to the electronic control system 60 , the electronic control system 60 sends a forward start operation command to the feed shaft motor and the cutter shaft motor of the multi-station rotary die-cutting machine, wherein the running speed of the multi-station rotary die-cutting machine is less than the preset first operating speed threshold;
  • the microcontroller 6105 When the operator presses the reverse jog button, the microcontroller 6105 also generates a jog command, and sends the generated jog command to the electronic control system 60, and the electronic control system 60 sends the feed shaft of the multi-station rotary die-cutting machine to the The motor and the cutter shaft motor send a reverse start operation instruction, wherein the operation speed of the multi-station rotary die-cutting machine is less than a preset first operation speed threshold.
  • the jog operation of the multi-station rotary die-cutting machine is realized through the jog button.
  • the specific implementation is as above. It is recorded that the equipment operates at a safe operating speed.
  • the multi-station rotary die-cutting machine includes two states: running mode and setting mode, wherein:
  • the multi-station rotary die-cutting machine In the running mode, the multi-station rotary die-cutting machine is in a normal working state, and in the setting mode, the multi-station rotary die-cutting machine is in a stopped state.
  • a mode setting button is provided on the console 21 of the multi-station rotary die-cutting machine.
  • an observation mode can be set.
  • the electronic control system 60 sends a stop command to the cutter shaft motor to control the multi-station rotary die-cutting machine to enter the stop state.
  • the electronic control system 60 includes:
  • the motor running speed detection module is used to detect the rotation speed of the tool shaft motor through the encoder 24 installed on the station tool holder 2 in the running mode;
  • the operating speed comparison and judgment module is used to compare the current speed of the knife shaft motor with the preset second operating speed threshold and the first operating speed threshold when receiving the grating entry command, and determine whether the current speed of the knife shaft motor is less than equal to the second operating speed threshold is greater than the first operating speed threshold;
  • the first forced stop command generation module is used to generate a first forced stop command when the operation speed comparison judgment module determines that the current speed of the knife shaft motor is greater than the first operation speed threshold and less than the second operation speed threshold, and the first forced stop command is generated.
  • the stop command is sent to the cutter shaft motor to control the multi-station rotary die-cutting machine to stop running;
  • the sudden drop speed command generation module is used to generate a sudden drop speed command when the operation speed comparison and judgment module judges that the current speed of the tool shaft motor is greater than or equal to the second operating speed threshold, and send the sudden drop speed command to the tool shaft motor to control The operating speed of the rotary transfer die cutter is reduced below the first operating speed threshold.
  • each module of the above-mentioned electronic control system 60 is provided for realizing the safety frame between the safety grating 6 , the operating handle 61 and the multi-station rotary die-cutting machine.
  • the microcontroller 6105 when the state of the push switch 6102 changes from the half-pressed gear to the released gear state, the microcontroller 6105 sends a grating opening command to the electronic control system 60, and the electronic control system 60 controls the opening of the safety grating 6;
  • the safety grating 6 needs to be opened at this time to continue to play the role of safety protection for the light curtain.
  • the electronic control system 60 when the state of the push switch 6102 changes from the half-pressed gear to the released gear, and the operator is in the light curtain area, the electronic control system 60 further includes:
  • the operation state judgment module is used to judge the operation state of the current multi-station rotary die-cutting machine.
  • the operation state of the multi-station rotary die-cutting machine includes the stop state and the operation speed greater than zero and less than or equal to the preset first operation speed threshold value. low-speed operation;
  • the second forced stop command generation module is configured to generate a second forced stop command when the operation state of the multi-station rotary die-cutting machine is in a low-speed operation state with an operation speed greater than zero and less than or equal to a preset first operation speed threshold, And send the second forced stop command to the cutter shaft motor to control the multi-station rotary die-cutting machine to stop running.
  • the grating can be used to prevent people from entering the dangerous area of the equipment by mistake when the control handle is not tightly grasped, and the grating can be shielded by grasping the control handle within the set safe speed, which is convenient for people to enter the grating maintenance or observe the operation of the equipment situation, and at the same time meet the needs of equipment jogging.
  • the operating handle 61 is provided with a safety entry grating mode and a device jog mode, which are used to send gratings to the electronic control system 60 according to the operator's operation action.
  • the electronic control system 60 is used to control the closing of the safety grating 6 according to the grating entry command and the jogging command fed back by the operating handle 61, and control the multi-position rotary die-cutting machine to be in a low-speed operation state or In the jog running state, the safety grating 6 can be used to prevent people from entering the dangerous area by mistake, and it can also realize the need for people to maintain or observe the operation of the equipment at a close distance, and meet the needs of jog inspection of the multi-station rotary die-cutting machine.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
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  • Forests & Forestry (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

La présente invention se rapporte au domaine technique des machines de découpage à l'emporte-pièce rotatives multi-station, et concerne une machine de découpage à l'emporte-pièce rotative multi-station, comprenant un cadre de machine. Un premier cadre de montage de grille est monté à une extrémité d'alimentation du cadre de machine ; un rouleau collecteur est monté de manière détachable à une extrémité de décharge, et un second cadre de montage de grille est en outre monté de manière coulissante ; des grilles de sécurité sont montées sur le premier cadre de montage de grille et le second cadre de montage de grille ; des plaques de pression sont montées de manière fixe sur des cadres de porte-lame de porte-lames de station, respectivement ; des connecteurs sont montés sur des rouleaux inférieurs de transmission des porte-lames de station ; les connecteurs passent à travers les plaques de pression et sont reliés à des codeurs ; des commutateurs de cordon de traction sont montés de manière fixe aux deux parties d'extrémité du cadre de machine ; les commutateurs de cordon de traction sont reliés au moyen d'un câble en acier ; une console est en outre montée sur le cadre de machine au moyen d'une plaque de montage, et la console est située à l'extérieur d'un rideau lumineux formé par les grilles de sécurité. Selon les grilles de sécurité proposées dans la présente invention, la sécurité d'un opérateur peut être assurée ; lorsque la production de produits en forme de bande est convertie en production de produits en forme de feuille, un désassemblage et un assemblage fastidieux des grilles de sécurité ne sont pas nécessaires ; et la présente invention est sûre, pratique et rapide à utiliser.
PCT/CN2021/092396 2020-08-03 2021-05-08 Machine de découpage à l'emporte-pièce rotative multi-station WO2022028026A1 (fr)

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CN202010764976.1A CN111730682B (zh) 2020-08-03 2020-08-03 一种多工位轮转模切机及其安全监控系统

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