CN110918761B - Switching method for automatically switching punching modules by six heads - Google Patents
Switching method for automatically switching punching modules by six heads Download PDFInfo
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- CN110918761B CN110918761B CN201911182638.0A CN201911182638A CN110918761B CN 110918761 B CN110918761 B CN 110918761B CN 201911182638 A CN201911182638 A CN 201911182638A CN 110918761 B CN110918761 B CN 110918761B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/36—Perforating, i.e. punching holes using rotatable work or tool holders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
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- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention provides a switching method for automatically switching punching modules with six heads, which comprises the following steps: step S001, installing a six-head automatic switching punching module; step S002, the upper punching cutter changes the cutter; step S003, the lower punching knife changes the knife; step S004, moving to a processing area; step S005, moving the lower punching cutter to a processing station; step S006, punching a workpiece; step S007, automatically switching the punching modules for six heads to reset; and step S008, repeating the steps S002 to S007. According to the switching method for automatically switching the punching modules with six heads, disclosed by the invention, the punching modules are driven to move to the processing station by using the manipulator, so that the displacement of the punching modules can be flexibly controlled, and the requirement of diversified production is met; six die-cut swoves are provided with six on the die-cut module of automatic switch-over, and are provided with die-cut sword tool changing actuating mechanism and clamping mechanism on die-cut sword, make the tool changing fast, punch a hole efficient, punch a hole effectual, can satisfy different production demands.
Description
Technical Field
The invention relates to a robot punching method for automobile parts, in particular to a switching method for automatically switching punching modules with six heads.
Background
With the continuous improvement of the living standard of people, the automobile gradually enters into a common family; automobiles have been one of the most common vehicles in people's lives. In the automobile accessory manufacturing industry, cutting and punching processing of workpiece parts is particularly important, and in the traditional workpiece cutting and punching process, a worker puts workpieces on a punching machine one by one, then the punching machine acts to complete punching, and finally the worker takes out the workpieces. The manual feeding method has low production efficiency and high manual labor intensity, and is not beneficial to production. In order to meet the market demands, punching devices are also developed towards automation, and the punching devices are used together with industrial robots to replace manual labor in production.
With the continuous expansion of the application of the robot, the development direction of the industrial technology is greatly changed, and the breakthrough of the robot matching mechanism is particularly important. In the field of automobile part punching, a plurality of automatic punching devices are available, and the current switching method of the punching devices needs a robot to switch different punching units back and forth for punching through a quick-changing disc, so that the defects of low speed, low efficiency, incapability of meeting the punching effect requirement, incapability of punching in place and the like exist.
Disclosure of Invention
Technical problem to be solved
The invention aims to provide a switching method of a six-head automatic switching punching module, which has the advantages of high production efficiency, high tool changing speed, high automation degree and good punching effect and can meet different production requirements.
(II) technical scheme
In order to solve the technical problem, the invention provides a switching method for automatically switching a punching module with six heads, which comprises the following steps: the method comprises the following steps:
step S001, installing a six-head automatic switching punching module; connecting an external manipulator with a quick change disc on the six-head automatic switching punching module;
step S002, the upper punching cutter changes the cutter; an upper cutter changing driving mechanism on an upper cutter mechanism in the six-head automatic switching punching module drives an upper cutter assembly to rotate, so that an upper designated cutter on the upper cutter assembly rotates to a vertical downward position to be opposite to a corresponding lower cutter on a lower cutter mechanism;
step S003, the lower punching knife changes the knife; a lower cutter changing driving mechanism on a lower cutter mechanism in the six-head automatic switching punching module drives a lower cutter assembly to rotate, so that a lower designated cutter on the lower cutter assembly rotates to a cutter taking position and is opposite to the upper designated cutter in the step S002;
step S004, moving to a processing area; the manipulator drives the six-head automatic switching punching module to move, so that an upper punching cutter mechanism at the upper end of the six-head automatic switching punching module bracket body and a lower punching cutter mechanism at the lower end of the six-head automatic switching punching module bracket body reach a processing area;
step S005, moving the lower punching cutter to a processing station; the lower cutter lifting driving mechanism drives the cutter taking block to move upwards and drives the lower punching cutter to move upwards to a processing station;
step S006, punching a workpiece; the lifting driving mechanism on the bracket body drives the upper punch mechanism to move downwards, so that the upper punch and the lower punch are matched for use, and the workpiece is punched through the ultrasonic transducer arranged on the upper punch;
step S007, automatically switching the punching modules for six heads to reset; the upper punching cutter mechanism is driven to move upwards to an initial position through the lifting driving mechanism, and meanwhile, the lower cutter lifting driving mechanism drives the cutter taking block and drives the lower punching cutter to move downwards, so that the lower punching cutter moves downwards to the initial position; the manipulator drives the six-head automatic switching punching module to exit from the machining area;
and step S008, repeating the steps S002 to S007.
Further, the step S002 further includes the steps of: step S0021, locking a die by an upper punching cutter; an upper cutter mode locking cylinder on the upper punching cutter mechanism drives an upper cutter locking module to move downwards, so that a first positioning bolt on the corresponding upper punching cutter falls into a first positioning pin hole on the upper cutter locking module, and the upper punching cutter is locked; the step S003 further includes the steps of: step S0031, rotating the mold locking mechanism to unlock; a rotary die locking cylinder of a rotary die locking mechanism arranged on the lower cutter assembly drives a driving panel to move backwards, and a push-pull mechanism on the driving panel drives a lower cutter rotary lock module to move backwards, so that the lower cutter rotary lock module is separated from the lower cutter; step S0032, locking the mold by a lower punching cutter; and a cutter taking block in a lower cutter lifting device on the lower punching cutter mechanism moves upwards to drive a lower cutter die locking mechanism positioned on the cutter taking block to move upwards and to be positioned on the lower punching cutter, and the lower cutter die locking mechanism drives to lock the lower punching cutter.
Further, in step S002, six upper punching cutters are annularly and equidistantly installed on an upper cutter rotating disc of the upper cutter assembly, an upper cutter changing driving motor in the upper cutter changing driving mechanism rotates and rotates the upper cutter rotating disc through a belt pulley mechanism, so that the specified upper punching cutter rotates to a vertical downward position, and the upper punching cutter is changed.
Further, in the step S0021, the upper cutter mold locking cylinder drives the cylinder shaft to move downward, and the top block fixedly mounted on the cylinder shaft moves downward together, and the top block drives the upper cutter lock module to move downward through the connecting rod. The upper cutter locking cylinder is fixedly arranged on the punch disc support frame, a sliding groove is formed in the bottom of the punch disc support frame, the upper cutter locking module is slidably arranged in the sliding groove, the upper cutter locking module can only slide up and down through limiting of the sliding groove, and stability and reliability of locking are improved. When the upper cutter lock module locks the upper cutter, the punching accuracy is higher, and the punching stability is improved.
Further, in step S003, six lower cutters are annularly and equidistantly mounted on a lower cutter rotating disc of the lower cutter assembly, and a lower cutter changing driving motor in the lower cutter changing driving mechanism rotates and rotates the lower cutter rotating disc through a belt pulley mechanism.
Further, the step S0032 specifically includes the following steps: step S00321, the lower cutter mold locking mechanism is aligned to the lower punching cutter; a lower cutter lifting driving mechanism in the lower cutter lifting device drives the cutter taking block to move upwards, so that a limiting block at the top of the cutter taking block moves into a lower cutter limiting groove at the bottom of the lower cutter, and a lower cutter locking module on the lower cutter locking mechanism is opposite to the lower cutter in position; the lower cutter lifting driving mechanism comprises a lower cutter lifting servo motor and a transmission gear, a gear on an output shaft of the lower cutter lifting servo motor is meshed with the transmission gear, a rack is arranged on the cutter taking block and meshed with the transmission gear, and the cutter taking block is driven to move upwards through the transmission gear and the rack; step S00322, locking the lower cutting and punching knife; and a lower cutter mold locking cylinder on the lower cutter mold locking mechanism drives the lower cutter lock module to move towards the lower punching cutter, and a clamping fixture block on the lower cutter lock module is inserted into a clamping groove on the lower punching cutter.
Further, the step S005 specifically includes the following steps: step S0051, lifting a lower cutting punch to a processing station; a lower cutter lifting servo motor of the lower cutter lifting driving mechanism drives the cutter taking block to move upwards through a transmission gear, so that the lower punching cutter moves upwards to a machining station; step S0052, locking the mold by taking the cutter block; when the lower punching knife moves upwards to a machining station, a second positioning pin hole in the knife taking block just faces a second positioning bolt on the cylinder shaft of the knife taking block mold locking cylinder, and the knife taking block mold locking cylinder drives the second positioning bolt to be inserted into the second positioning pin hole.
Further, in step S006, a lifting servo motor on the lifting drive mechanism rotates, and drives a lead screw to rotate through a belt pulley mechanism, so that the upper punch mechanism fixed to a lead screw nut sleeved on the lead screw moves downward.
Further, step S002-S003 and step S004 are carried out synchronously, the switching of the cutter can be realized under the state that the manipulator drives the six-head automatic switching punching module to move, and the punching efficiency is improved.
(III) advantageous effects
According to the switching method for automatically switching the punching modules with six heads, disclosed by the invention, the punching modules are driven to move to the processing station by using the manipulator, so that the displacement of the punching modules can be flexibly controlled, and the requirement of diversified production is met; six die-cut swoves are provided with six on the die-cut module of six automatic switch-over, and are provided with die-cut sword tool changing actuating mechanism and clamping mechanism on die-cut sword, and the switching method is realized through six die-cut modules of automatic switch-over, makes the tool changing fast, the punching efficiency is high, it is effectual to punch a hole, can satisfy different production demands.
Drawings
Fig. 1 is a perspective view of a six-head automatic switching punching module according to the present invention;
FIG. 2 is a perspective view of a six-head automatic switching punching module support body and a lifting drive mechanism according to the present invention;
fig. 3 is a perspective view of a six-head automatic switching punching die set punching cutter head support frame and an upper punch mechanism of the present invention;
FIG. 4 is a perspective view of a six-head automatic switching die-cutting module die disc support and an upper cutter clamping mechanism of the present invention;
FIG. 5 is a perspective view of a cutter assembly on a six-head automatic switching trimming module of the present invention;
FIG. 6 is a perspective view of a die locking mechanism of a cutting blade of a six-head automatic switching die cutting module according to the present invention;
FIG. 7 is a perspective view of a lower cutter changing driving mechanism and a lower cutter mechanism of a six-head automatic switching punching module according to the present invention;
fig. 8 is a perspective view of a lower cutter lifting device and a lower cutter locking mechanism of a six-head automatic switching punching module according to the present invention;
fig. 9 is a cross-sectional view of a lower cutter lifting device and a lower cutter locking mechanism of a six-head automatic switching punching module according to the present invention;
FIG. 10 is a perspective view of a lower cutter clamping mechanism of a six-head automatic switching punching module according to the present invention;
FIG. 11 is a perspective view of a lower punch of a six-punch automatic switching punch module of the present invention;
FIG. 12 is a perspective view of a lower punch of a six-punch automatic switching punch module of the present invention from another perspective;
fig. 13 is a perspective view of a lower cutter assembly and a rotary clamping mechanism of a six-head automatic switching punching module according to the present invention;
FIG. 14 is an exploded view of a lower cutter assembly and a rotary die locking mechanism of a six-head automatic switching die cutting module according to the present invention;
fig. 15 is a cross-sectional view of a lower cutter assembly and a rotary clamping mechanism of a six-head automatic switching punching module according to the present invention;
FIG. 16 is an enlarged view of A of FIG. 15 of a six-start auto-switching die set of the present invention;
fig. 17 is a perspective view of a lower cutter rotation lock module of a six-head automatic switching punching module according to the present invention;
fig. 18 is a flow chart of a switching method for automatically switching punching modules for six heads according to the present invention;
fig. 19 is a block diagram of a process of changing the die and locking the die by the upper punch in the switching method of the six-head automatic switching punching module according to the present invention;
FIG. 20 is a block diagram illustrating the process of the lower cutter exchanging and locking steps of the switching method of the six-punch automatic switching punching module according to the present invention;
fig. 21 is a block diagram of a flow of moving a lower punch to a processing station in a switching method of a six-punch automatic switching punching module according to the present invention;
wherein: 1 is a bracket body, 2 is an upper punching cutter, 3 is a lower punching cutter, 4 is an upper cutter rotary table, 5 is an upper cutter mold locking cylinder, 6 is an upper cutter lock module, 7 is a top block, 8 is a connecting rod, 9 is a lifting servo motor, 10 is a screw rod, 11 is a screw rod nut, 12 is a punching cutter disc support frame, 13 is a screw rod guide rail, 14 is a first slide block, 15 is a lower cutter rotary table, 16 is a cutter taking block, 17 is a lower cutter mold locking cylinder, 18 is a lower cutter mold locking module, 19 is a lower cutter lifting servo motor, 20 is a transmission gear, 21 is a cutter taking block mold locking cylinder, 22 is a second positioning bolt, 23 is a lower cutter rotary lock module, 24 is a rotary mold changing cylinder, 25 is a quick changing disc, 26 is a driving panel, 27 is an upper cutter driving motor, 28 is a lower cutter driving motor, 29 is an ultrasonic transducer, 30 is a second slide block, 31 is an L-shaped slide block, 32 is a first lug, 33 is the second lug, 34 is the projection sliding tray, 35 is the guard flap, 201 is first locating pin, 301 is the centre gripping recess, 302 is spacing platform, 303 is first discharge opening, 601 is first locating pin hole, 1501 is the spacing groove, 1502 is rotatory lock module sliding tray, 1601 is the rack, 1602 is the second locating pin hole, 1603 is getting the sword piece slide rail, 1801 is the centre gripping fixture block, 2301 is the projection, 2302 is the joint boss, 3021 is the joint recess.
Detailed Description
Referring to fig. 18 to 21, the present invention provides a switching method for a six-head automatic switching punching die set, comprising the following steps:
step S001, installing a six-head automatic switching punching module; an external manipulator is connected with a quick-change disc 25 on the six-head automatic switching punching module;
step S002, the upper punching cutter changes the cutter; an upper cutter changing driving mechanism on an upper cutter mechanism in the six-head automatic switching punching module drives an upper cutter assembly to rotate, so that an upper designated cutter 2 on the upper cutter assembly rotates to a vertical downward position to be opposite to a corresponding lower cutter 3 on a lower cutter mechanism;
step S003, the lower punching knife changes the knife; a lower cutter changing driving mechanism on a lower cutter mechanism in the six-head automatic switching punching module drives a lower cutter assembly to rotate, so that a lower designated cutter 3 on the lower cutter assembly rotates to a cutter taking position and is opposite to the position of an upper designated cutter 2 in the step S002;
step S004, moving to a processing area; the mechanical arm drives the six-head automatic switching punching module to move, so that an upper punching cutter mechanism at the upper end of the six-head automatic switching punching module support body 1 and a lower punching cutter mechanism at the lower end of the six-head automatic switching punching module support body reach a processing area;
step S005, moving the lower punching cutter to a processing station; the lower cutter lifting driving mechanism drives the cutter taking block 16 to move upwards and drives the lower punching cutter 3 to move upwards to a processing station;
step S006, punching a workpiece; the lifting driving mechanism on the bracket body 1 drives the upper punch mechanism to move downwards, so that the upper punch 2 and the lower punch 3 are matched for use, and the workpiece is punched through the ultrasonic transducer 29 arranged on the upper punch 2;
step S007, automatically switching the punching modules for six heads to reset; the upper punching cutter mechanism is driven to move upwards to the initial position by the lifting driving mechanism, and meanwhile, the lower cutting cutter lifting driving mechanism drives the cutter taking block 16 and drives the lower punching cutter 3 to move downwards, so that the lower punching cutter 3 moves downwards to the initial position; the mechanical arm drives the six-head automatic switching punching module to exit from the machining area;
and step S008, repeating the steps S002 to S007.
Referring to fig. 19, step S002 further includes the steps of: step S0021, locking a die by an upper punching cutter; an upper cutter mode locking cylinder 5 on the upper punching cutter mechanism drives an upper cutter locking module 6 to move downwards, so that a first positioning bolt 201 on the corresponding upper punching cutter 2 falls into a first positioning bolt hole 601 on the upper cutter locking module 6, and the upper punching cutter 2 is locked;
step S003 further includes the steps of: step S0031, rotating the mold locking mechanism to unlock; a rotary die locking cylinder 24 of a rotary die locking mechanism arranged on the lower cutter assembly drives a driving panel 26 to move backwards, and a push-pull mechanism on the driving panel 26 drives a lower cutter rotary lock module 23 to move backwards, so that the lower cutter rotary lock module 23 is separated from the lower cutter 3; step S0032, locking the mold by a lower punching cutter; the cutter taking block 16 in the lower cutter lifting device on the lower punch mechanism moves upwards to drive the lower cutter die locking mechanism on the cutter taking block 16 to move upwards and lock the lower punch 3 by the drive of the lower cutter die locking mechanism to the lower punch 3.
In step S002, six upper punches 2 are annularly and equidistantly mounted on the upper cutter rotor 4 of the upper cutter assembly, an upper cutter changing driving motor 27 in the upper cutter changing driving mechanism rotates and rotates the upper cutter rotor 4 through a belt pulley mechanism, so that the designated upper cutter 2 rotates to a vertically downward position, and the upper cutter 2 is changed.
In step S0021, the upper cutter lock module cylinder 5 drives the cylinder shaft to move downward, and the top block 7 fixedly mounted on the cylinder shaft moves downward together, and the top block 7 drives the upper cutter lock module 6 to move downward through the connecting rod 8. The upper cutter locking cylinder 5 is fixedly mounted on the cutter disc support frame 12, a sliding groove is formed in the bottom of the cutter disc support frame 12, the upper cutter locking module 6 is slidably mounted in the sliding groove, the upper cutter locking module 6 can only slide up and down through limiting of the sliding groove, and stability and reliability of mode locking are improved. When the upper cutter lock module 6 locks the upper punching cutter 2, the punching accuracy is higher, and the punching stability is improved.
In step S003, six lower cutters 3 are annularly and equidistantly mounted on the lower cutter wheel 15 of the lower cutter assembly, and the lower cutter changing drive motor 28 of the lower cutter changing drive mechanism rotates and rotates the lower cutter wheel 15 via the pulley mechanism.
Referring to fig. 20, step S0032 specifically includes the following steps: step S00321, the lower cutter mold locking mechanism is aligned to the lower punching cutter; a lower cutter lifting driving mechanism in the lower cutter lifting device drives the cutter taking block 16 to move upwards, so that a limiting block at the top of the cutter taking block 16 moves into a lower cutter limiting groove at the bottom of the lower cutter 3, and a lower cutter locking module 18 on the lower cutter locking mechanism is opposite to the lower cutter 3; the lower cutter lifting driving mechanism comprises a lower cutter lifting servo motor 19 and a transmission gear 20, a gear on an output shaft of the lower cutter lifting servo motor 19 is meshed with the transmission gear 20, a rack 1601 is arranged on the cutter taking block 16, the rack 1601 is meshed with the transmission gear 20, and the cutter taking block 16 is driven by the transmission gear 20 and the rack 1601 to move upwards; step S00322, locking the lower cutting and punching knife; the lower cutter locking cylinder 17 on the lower cutter locking mechanism drives the lower cutter locking module 18 to move towards the lower cutting knife 3, and the clamping fixture block 1801 on the lower cutter locking module 18 is inserted into the clamping groove 301 on the lower cutting knife 3.
Referring to fig. 21, step S005 specifically includes the following steps: step S0051, lifting a lower cutting punch to a processing station; a lower cutter lifting servo motor 19 of the lower cutter lifting driving mechanism drives the cutter taking block 16 to move upwards through a transmission gear 20, so that the lower punching cutter 3 moves upwards to a processing station; step S0052, locking the mold by taking the cutter block; when the lower punching knife 3 moves upwards to a processing station, the second positioning pin hole 1602 on the knife taking block 16 just faces the second positioning pin 22 on the cylinder shaft of the knife taking block mode locking cylinder 21, and the knife taking block mode locking cylinder 21 drives the second positioning pin 22 to be inserted into the second positioning pin hole 1602. Through the cooperation of second location bolt 22 and second location pinhole 1602, can lock getting sword piece 16 when removing to the processing station, stability and precision when improving to punch a hole.
In step S006, the lifting servo motor 9 on the lifting drive mechanism rotates, and drives the screw rod 10 to rotate through the belt pulley mechanism, so that the upper punch mechanism fixed to the screw rod nut 11 sleeved on the screw rod 10 moves downward.
In step S007, the knife block taking and locking cylinder 21 drives the second positioning pin 22 to disengage from the second positioning pin hole 1602, and the lower knife lifting servo motor 19 drives the knife block taking block 16 to move downward through the transmission gear 20, so that the lower knife 3 returns to the initial position.
Wherein, step S002 ~ S003 and step S004 go on in step, can drive the switching that realizes the cutter under the state of six automatic switch-over die-cut module movements at the manipulator, have improved die-cut efficiency.
Referring to fig. 1 to 17, the switching method of the present embodiment is implemented by a six-head automatic switching punching module, which includes: support body 1, upper punch mechanism and lower punch mechanism, support body 1 is L shape, and support body 1 is the lightweight design, and lifting drive mechanism is installed on support body 1 upper portion, and upper punch mechanism passes through die disc support frame 12 slidable mounting on lifting drive mechanism, and lower punch mechanism installs in the tip department of bending of support body 1 to with upper punch mechanism position relative. Install the quick change dish 25 that is used for being connected with external manipulator on the support body 1, during die-cut, the manipulator butt joint quick change dish 25 and drive die-cut module global shift to treating die-cut position, lower punch 3 uses with the cooperation of upper punch 2 to die-cut.
Referring to fig. 1 and 2, the lifting driving mechanism includes a lifting servo motor 9 fixed on the bracket body 1, a lead screw 10 and a lead screw nut 11, the lead screw 10 is rotatably installed on the bracket body 1, the lifting servo motor 9 is connected with the lead screw 10 through a belt pulley mechanism, the lead screw 10 is sleeved with the lead screw nut 11, and the upper punch mechanism is fixedly connected with the lead screw nut 11 through a punch disc support frame 12; two lead screw guide rails 13 are further fixed on the support body 1, the lead screw guide rails 13 are respectively located on two sides of a lead screw 10, the punching cutter head support frame 12 is slidably mounted on the lead screw guide rails 13 through four first sliding blocks 14, two first sliding blocks 14 are mounted on each lead screw guide rail 13, and the punching cutter head support frame 12 is fixedly connected with the first sliding blocks 14 through bolts.
Referring to fig. 3 to 6, the upper punch mechanism includes an upper punch assembly, an upper punch die locking mechanism and an upper punch die changing driving mechanism for driving the upper punch assembly to rotate, the upper punch assembly includes an upper punch turntable 4 and six upper punches 2, the six upper punches 2 are annularly and equidistantly mounted on the upper punch turntable 4, and the six upper punches 2 are all mounted with ultrasonic transducers 29. The upper cutter mold locking mechanism comprises an upper cutter mold locking cylinder 5 and an upper cutter mold locking module 6 movably connected with the upper cutter mold locking cylinder 5, wherein a top block 7 is fixed on a cylinder shaft of the upper cutter mold locking cylinder 5, and the top block 7 is fixedly connected with the upper cutter mold locking module 6 through a connecting rod 8; the bottom of the front end of the die cutter disc supporting frame 12 is provided with a sliding chute, the upper cutter lock module 6 is clamped in the sliding chute and can relatively slide up and down, and the upper cutter lock module 6 can only slide up and down through the limitation of the sliding chute, so that the stability of mode locking is improved. The upper cutter lock module 6 is provided with a first positioning pin hole 601, and the upper cutters 2 are provided with first positioning bolts 201 matched with the first positioning pin hole 601; when any one upper cutting knife 2 rotates to a vertical downward position during mode locking, the first positioning bolt 201 on the upper cutting knife 2 is just aligned to the first positioning pin hole 601, and the upper cutting knife locking die cylinder 5 drives the upper cutting knife locking module 6 to move, so that the first positioning bolt 201 falls into the corresponding first positioning pin hole 601 to lock the corresponding upper cutting knife 2. The upper cutter changing driving mechanism comprises an upper cutter changing driving motor 27, the upper cutter changing driving motor 27 is connected with the upper cutter rotating disc 4 through a belt pulley mechanism, and the upper cutter changing driving motor 27 rotates to drive the belt pulley mechanism to rotate so as to enable the upper cutter rotating disc 4 to rotate.
Referring to fig. 7 to 11, the lower punch mechanism includes a lower cutter assembly, a lower cutter lifting device, a lower cutter die locking mechanism, a rotary die locking mechanism, and a lower cutter tool changing driving mechanism for driving the lower cutter assembly to rotate, the lower cutter assembly includes a lower cutter turntable 15 and six lower cutters 3, the six lower cutters 3 are annularly installed on the lower cutter turntable 15 at equal intervals, and the rotary die locking mechanism is installed on the lower cutter assembly and used for locking the lower cutters 3 on the lower cutter turntable 15. Lower cutter tool changing actuating mechanism includes lower cutter tool changing driving motor 28, and lower cutter tool changing driving motor 28 is fixed on the portion of bending of support body 1, and lower cutter tool changing driving motor 28 passes through the belt pulley mechanism and is connected with lower cutter carousel 15, and lower cutter tool changing driving motor 28 rotates driving pulley mechanism and rotates, makes lower cutter carousel 15 rotate. The lower cutter lifting device comprises a lower cutter lifting driving mechanism and a cutter taking block 16 driven by the lower cutter lifting driving mechanism to move up and down, two second sliders 30 are fixed on the bending end portions of the support body 1, two cutter taking block slide rails 1603 matched with the second sliders 30 are arranged on the cutter taking block 16, and the cutter taking block 16 slides on the second sliders 30 through the cutter taking block slide rails 1603. The lower cutter lifting driving mechanism comprises a lower cutter lifting servo motor 19 and a transmission gear 20 meshed with a gear shaft of the lower cutter lifting servo motor 19, the lower cutter lifting servo motor 19 is installed at the bottom of the bent end of the support body 1, a rack 1601 is arranged on the cutter taking block 16, and the transmission gear 20 is meshed with the rack 1601. The lower cutter lifting servo motor 19 rotates to drive the transmission gear 20 to rotate and drive the cutter taking block 16 to move up and down. The lower cutter mold locking mechanism is installed on the cutter taking block 16 and comprises a lower cutter mold locking cylinder 17 and a lower cutter locking module 18 in sliding connection with the lower cutter mold locking cylinder 17, a clamping fixture block 1801 is arranged on the lower cutter locking module 18, and the lower cutter 3 is correspondingly provided with a clamping groove 301 matched with the clamping fixture block 1801. The lower cutter locking cylinder 17 drives the lower cutter locking module 18 to move towards the lower cutting knife 3, so that the clamping block 1801 falls into the corresponding clamping groove 301, the rotary clamping mechanism is unlocked, and the lower cutter lifting driving mechanism drives the cutter taking block 16 to drive the corresponding lower cutting knife 3 to move upwards to a processing position.
Referring to fig. 7 to 9, a second positioning pin hole 1602 is disposed at the bottom side end of the knife block 16, a knife block mold locking cylinder 21 matched with the second positioning pin hole 1602 is mounted on the bracket body 1, and a second positioning pin 22 is mounted on a cylinder shaft of the knife block mold locking cylinder 21; when the knife taking block 16 drives the lower cutting knife 3 to reach the processing station, the second positioning bolt 22 is just opposite to the second positioning pin hole 1602, and the knife taking block mold locking cylinder 21 drives the cylinder to move axially forward, so that the second positioning bolt 22 is inserted into the second positioning pin hole 1602.
Referring to fig. 12 to 17, six limiting grooves 1501 are annularly and equidistantly arranged on the lower cutter turntable 15, the limiting grooves 1501 are dovetail-shaped, the lower cutters 3 are respectively provided with a limiting table 302 matched with the limiting grooves 1501, the limiting tables 302 are correspondingly arranged in the limiting grooves 1501, and the lower cutters 3 can only slide up and down relative to the lower cutter turntable 15 through the matching of the limiting tables 302 and the limiting grooves 1501. The rotary die locking mechanism comprises a lower cutter rotary locking module 23 and a rotary locking module driving mechanism, six rotary locking module sliding grooves 1502 are formed in the lower cutter rotary disc 15, the six rotary locking module sliding grooves 1502 are correspondingly connected with limiting grooves 1501 respectively, and the lower cutter rotary locking module 23 is installed in the rotary locking module sliding grooves 1502 in a sliding mode. The lower cutter rotation lock module 23 is provided with a clamping boss 2302, and the limiting table 302 is provided with a clamping groove 3021 matched with the clamping boss 2302. The rotary lock module driving mechanism is connected with the lower cutter rotary lock module 23 and used for driving the clamping boss 2302 and the clamping groove 3021 to be clamped, so that the lower punching cutter 3 cannot slide up and down relative to the lower cutter turntable 15. The rotary lock module driving mechanism comprises a rotary lock mold cylinder 24 and a driving panel 26 connected with the rotary lock mold cylinder 24, the rotary lock mold cylinder 24 is installed on the bending part of the support body 1, and the driving panel 26 is located at the bottom of the lower cutter turntable 15; l-shaped sliding blocks 31 are symmetrically and fixedly installed on two sides of a bending part of the support body 1, and the driving panel 26 is installed between the two L-shaped sliding blocks 31 and can slide back and forth relative to the L-shaped sliding blocks 31. The bottom of the lower cutter rotation lock module 23 is provided with a convex column 2301, and the top of the front end of the driving panel 26 is provided with a push-pull mechanism connected with the convex column 2301; the push-pull mechanism comprises a first lug 32 and a second lug 33, and a convex column sliding groove 34 is formed between the first lug 32 and the second lug 33; when the cutter is changed, the lower cutter turntable 15 drives the lower cutter rotation lock module 23 to rotate, so that the convex column 2301 corresponding to the designated lower cutter 3 slides into the convex column sliding groove 34, the rotation mold locking cylinder 24 drives the driving panel 26 to move backwards, the second convex block 33 pulls the convex column 2301 to move backwards, and the lower cutter rotation lock module 23 is separated from the lower cutter 3. An elastic element is arranged between the rear end of the lower cutter rotary lock module 23 and the lower cutter rotary disc 15, the elastic element is a return spring, and after unlocking, the lower cutter rotary lock module 23 restores to the initial position under the elastic force action of the return spring.
Referring to fig. 7, 8 and 11, the lower punching blade 3 is provided with a first discharge hole 303, so that the punched waste material can fall out of the first discharge hole 303. The middle of the lower cutter turntable 15 is provided with a second discharge hole, the gear shaft of the lower cutter lifting servo motor 19 and the outer side of the transmission gear 20 are provided with a protective baffle 35, the protective baffle 35 is positioned under the second discharge hole, waste materials falling from the second discharge hole can be prevented from falling into the gear shaft and the transmission gear 20, and damage is avoided.
Further explaining the six-head automatic switching punching module, during operation, the lower cutter changing driving motor 28 rotates to drive the belt pulley mechanism to rotate, so that the lower cutter rotating disc 15 rotates, the specified lower cutting punch 3 reaches the cutter taking station, the rotary mold locking cylinder 24 drives the driving panel 26 to move backwards, the second lug 33 pulls the convex column 2301 to move backwards, and the corresponding lower cutter rotary lock module 23 is separated from the lower cutter 3; meanwhile, the lower cutter locking cylinder 17 drives the lower cutter locking module 18 to move towards the lower cutter 3, so that the clamping fixture block 1801 falls into the corresponding clamping groove 301, the lower cutter lifting servo motor 19 rotates, the transmission gear 20 is driven to rotate, and the cutter taking block 16 is driven to move upwards to a processing position; meanwhile, the upper cutter changing driving motor 27 rotates to drive the belt pulley mechanism to rotate, so that the upper cutter rotating disc 4 rotates, the corresponding upper punch cutter 2 rotates to a processing station, the upper cutter locking die cylinder 5 drives the upper cutter locking module 6 to move, and the first positioning bolt 201 falls into the corresponding first positioning pin hole 601 to lock the corresponding upper punch cutter 2; the lifting driving mechanism drives the upper punching cutter mechanism to move downwards, so that the upper punching cutter 2 and the lower punching cutter 3 are matched for punching.
The embodiment provides a switching method of a six-head automatic switching punching module, wherein an upper punching cutter mechanism and a lower punching cutter mechanism which are matched with each other are arranged on the six-head automatic switching punching module, six cutters which are matched with each other correspondingly are arranged on the upper punching cutter mechanism and the lower punching cutter mechanism, an upper cutter changing driving mechanism and an upper cutter locking mechanism are connected to the upper punching cutter, a lower cutter lifting device, a lower cutter locking mechanism, a rotary locking mechanism and a lower cutter changing driving mechanism are connected to the lower punching cutter, and the switching method is realized by the six-head automatic switching punching module.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A switching method for automatically switching punching modules with six heads is characterized by comprising the following steps:
step S001, installing a six-head automatic switching punching module; an external manipulator is connected with a quick-change disc (25) on the six-head automatic switching punching module;
step S002, the upper punching cutter changes the cutter; an upper cutter changing driving mechanism on an upper cutter mechanism in the six-head automatic switching punching module drives an upper cutter assembly to rotate, so that an upper designated punch (2) on the upper cutter assembly rotates to a vertical downward position to be opposite to a lower corresponding punch (3) on a lower cutter mechanism;
step S003, the lower punching knife changes the knife; a lower cutter changing driving mechanism on a lower cutter mechanism in the six-head automatic switching punching module drives a lower cutter assembly to rotate, so that a lower designated cutter (3) on the lower cutter assembly rotates to a cutter taking position and is opposite to the position of an upper designated cutter (2) in the step S002;
the step S003 further includes the steps of: step S0031, rotating the mold locking mechanism to unlock; a rotary die locking cylinder (24) of a rotary die locking mechanism arranged on the lower cutter assembly drives a driving panel (26) to move backwards, and a push-pull mechanism on the driving panel (26) drives a lower cutter rotary lock module (23) to move backwards, so that the lower cutter rotary lock module (23) is separated from the lower cutter (3); step S0032, locking the mold by a lower punching cutter; a cutter taking block (16) in a lower cutter lifting device on the lower punching cutter mechanism moves upwards to drive a lower cutter mold locking mechanism on the cutter taking block (16) to move upwards and to be positioned on the lower punching cutter (3), and the lower cutter mold locking mechanism drives to lock the lower punching cutter (3);
step S004, moving to a processing area; the manipulator drives the six-head automatic switching punching module to move, so that an upper punching cutter mechanism at the upper end of the six-head automatic switching punching module support body (1) and a lower punching cutter mechanism at the lower end of the six-head automatic switching punching module support body reach a machining area;
step S005, moving the lower punching cutter to a processing station; the lower cutter lifting driving mechanism drives the cutter taking block (16) to move upwards and drives the lower punching cutter (3) to move upwards to a processing station;
step S006, punching a workpiece; the lifting driving mechanism on the bracket body (1) drives the upper punching cutter mechanism to move downwards, so that the upper punching cutter (2) and the lower punching cutter (3) are matched for use, and the workpiece is punched through the ultrasonic transducer (29) arranged on the upper punching cutter (2);
step S007, automatically switching the punching modules for six heads to reset; the upper punching cutter mechanism is driven to move upwards to an initial position through the lifting driving mechanism, and meanwhile, the lower cutter lifting driving mechanism drives the cutter taking block (16) and drives the lower punching cutter (3) to move downwards, so that the lower punching cutter (3) moves downwards to the initial position; the manipulator drives the six-head automatic switching punching module to exit from the machining area;
and step S008, repeating the steps S002 to S007.
2. The method for switching between the six-head automatic die cutting die sets according to claim 1, wherein the step S002 further comprises the steps of: step S0021, locking a die by an upper punching cutter; an upper cutter mode locking cylinder (5) on the upper punch mechanism drives an upper cutter locking module (6) to move downwards, so that a first positioning bolt (201) on the corresponding upper punch (2) falls into a first positioning pin hole (601) on the upper cutter locking module (6), and the upper punch (2) is locked.
3. The method for switching the six-head automatic die cutting die set according to claim 1, wherein: in the step S002, six upper punching cutters (2) are annularly and equidistantly mounted on an upper cutter turntable (4) of the upper cutter assembly, an upper cutter changing driving motor (27) in the upper cutter changing driving mechanism rotates and rotates the upper cutter turntable (4) through a belt pulley mechanism, so that the specified upper punching cutter (2) rotates to a vertically downward position, and the upper punching cutter (2) is changed.
4. The method for switching the six-head automatic switching punching die set according to claim 2, characterized in that: in the step S0021, the upper cutter locking cylinder (5) drives a cylinder shaft to move downwards, and a top block (7) fixedly installed on the cylinder shaft moves downwards together, and the top block (7) drives the upper cutter locking module (6) to move downwards through a connecting rod (8).
5. The method for switching the six-head automatic die cutting die set according to claim 1, wherein: in the step S003, six lower cutters (3) are annularly and equidistantly arranged on a lower cutter turntable (15) of the lower cutter assembly, and a lower cutter changing driving motor (28) in a lower cutter changing driving mechanism rotates and enables the lower cutter turntable (15) to rotate through a belt pulley mechanism.
6. The method for switching the six-head automatic die cutting module according to claim 1, wherein the step S0032 specifically comprises the steps of:
step S00321, the lower cutter mold locking mechanism is aligned to the lower punching cutter; a lower cutter lifting driving mechanism in the lower cutter lifting device drives the cutter taking block (16) to move upwards, so that a limiting block at the top of the cutter taking block (16) moves into a lower cutter limiting groove at the bottom of the lower cutter (3), and a lower cutter locking module (18) on the lower cutter locking mechanism is opposite to the lower cutter (3);
step S00322, locking the lower cutting and punching knife; and a lower cutter locking cylinder (17) on the lower cutter locking mechanism drives a lower cutter locking module (18) to move towards the lower cutting knife (3), and a clamping block (1801) on the lower cutter locking module (18) is inserted into a clamping groove (301) on the lower cutting knife (3).
7. The method for switching the six-head automatic die cutting die set according to claim 1, wherein the step S005 comprises the following steps:
step S0051, lifting a lower cutting punch to a processing station; a lower cutter lifting servo motor (19) of the lower cutter lifting driving mechanism drives the cutter taking block (16) to move upwards through a transmission gear (20), so that the lower punching cutter (3) moves upwards to a processing station;
step S0052, locking the mold by taking the cutter block; when the lower punching knife (3) moves upwards to a machining station, the second positioning pin hole (1602) in the knife taking block (16) just faces a second positioning pin (22) located on the cylinder shaft of the knife taking block mode locking cylinder (21), and the knife taking block mode locking cylinder (21) drives the second positioning pin (22) to be inserted into the second positioning pin hole (1602).
8. The method for switching the six-head automatic die cutting die set according to claim 1, wherein: in the step S006, a lifting servo motor (9) on the lifting drive mechanism rotates, and drives a screw rod (10) to rotate through a belt pulley mechanism, so that the upper punch mechanism fixed to a screw rod nut (11) sleeved on the screw rod (10) moves downward.
9. The method for switching the six-head automatic die cutting die set according to claim 1, wherein: the steps S002 to S003 are performed in synchronization with the step S004.
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