CN109604438B

CN109604438B - Production process for combined machining of kitchen cabinet special-shaped door plate

Info

Publication number: CN109604438B
Application number: CN201811579357.4A
Authority: CN
Inventors: 孙素海
Original assignee: Anhui Chibest Automation Technology Co ltd
Current assignee: Anhui Zhongjia Automation Technology Co ltd
Priority date: 2018-12-24
Filing date: 2018-12-24
Publication date: 2020-08-14
Anticipated expiration: 2038-12-24
Also published as: CN109604438A

Abstract

A production process for combined processing of kitchen cabinet special-shaped door panels sequentially comprises a positioning process, a combined punching process, a transverse folding process, a transition process, a pre-end folding process, an oblique end folding process, a transition end folding process, an inner arc end folding process, a combined end folding process and a blanking process, wherein the processes are all completed on an automatic forming line of the kitchen cabinet special-shaped door panels. Compared with the prior art, the invention reduces the bending resilience rate when the kitchen cabinet special-shaped door plate is processed by designing the special bending machine, optimizing and arranging various combined bending machines and optimizing the automatic forming process, solves the problems of high rejection rate and difficult volume production when the kitchen cabinet special-shaped door plate is processed by the existing equipment, and realizes the continuous automatic processing of the kitchen cabinet special-shaped door plate, thereby effectively reducing the processing cost of the kitchen cabinet special-shaped door plate and being convenient for popularization and use of the integral kitchen cabinet special-shaped door plate.

Description

Production process for combined machining of kitchen cabinet special-shaped door plate

Technical Field

The invention relates to a processing technology of a kitchen cabinet special-shaped door plate, in particular to an automatic forming technology capable of automatically processing and forming the kitchen cabinet special-shaped door plate.

Background

The existing kitchen cabinet door plate processed by stainless steel materials is generally produced by customization, and the handle part is generally formed by combining and processing the door plate body in a welding or thread fixing mode. Compared with the integral kitchen cabinet special-shaped door plate shown in the figure 1, the kitchen cabinet door plate processed by the welding mode has the defects of high cost, low efficiency and the like, and welding seams exist to influence the attractiveness of the kitchen cabinet door plate; the kitchen cabinet door plate processed in a thread fixing mode has the defects of occupying space, being easy to damage a handle and the like.

Utilize current sheet metal component processing equipment, like sheet metal component bender, combination formula sheet metal component bender, stamping forming machine etc. when processing integral kitchen cabinet door plant, handle shape complicacy is difficult to the shaping, and the difficult control of the resilience rate of bending of stainless steel material also, has caused processing problems such as the rejection rate is high, the volume production difficulty, leads to processing integral kitchen cabinet door plant with high costs, has influenced using widely.

Disclosure of Invention

The embodiment of the invention provides an automatic forming process capable of automatically processing and forming a kitchen cabinet special-shaped door plate, and solves the problems of high rejection rate and difficult mass production of the processed kitchen cabinet special-shaped door plate, so that the processing cost of the kitchen cabinet special-shaped door plate is reduced, and the kitchen cabinet special-shaped door plate is convenient to popularize and use.

In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:

the embodiment of the invention provides a production line for combined machining of a kitchen cabinet special-shaped door plate, which consists of an automatic feeding machine, a positioning platform, a combined punching machine, a transverse folding machine, a transition platform, a first mechanical arm, a pre-end folding machine, an inclined end folding machine, an end folding machine, a transition end folding machine, an inner arc end folding machine, a combined end folding machine, a blanking platform and a second mechanical arm.

The automatic feeding machine consists of a first stacking trolley, a feeding machine frame, a sucker frame assembly, a vacuum suction manipulator and a second stacking trolley; the feeding machine frame is of a gantry structure, a vacuum material sucking mechanical arm is arranged on a cross beam of the gantry structure and is of a two-axis rectangular coordinate mechanical arm structure, a sucker frame assembly is arranged at the tail end of a vertical shaft of the vacuum material sucking mechanical arm, a first stacking trolley and a second stacking trolley are arranged on the ground below the sucker frame assembly and are identical in structure, and a positioning platform is arranged between the first stacking trolley and the second stacking trolley.

The positioning platform consists of a positioning platform frame, a brush, a front positioning assembly, a side positioning assembly, a moving frame, a first sliding assembly and a first base, wherein the positioning platform frame is arranged on the first base; a front positioning assembly is arranged on a positioning platform frame along the feeding direction of the stainless steel sheet, a hairbrush is arranged at the upper part of the positioning platform frame, a moving frame is arranged below the positioning platform frame, and a plurality of groups of side positioning assemblies are arranged on the upper surface of the moving frame; the bottom of the movable frame is arranged on the first base through the first sliding assembly.

The combined punching machine is arranged on the discharge side of the positioning platform and consists of two groups of first punching part sleeves, two groups of second punching part sleeves, a second sliding assembly, a third sliding assembly and a first material carrying platform, wherein the two groups of first punching part sleeves and the two groups of second punching part sleeves are arranged on two sides of the first material carrying platform; the first punching part sleeve consists of a first punching die head, a first punching oil cylinder and a first punching base, the first punching base is provided with the first punching oil cylinder along the vertical direction, and a piston rod of the first punching oil cylinder is fixedly connected with the first punching die head; the second punching part sleeve consists of a second punching base, a second punching oil cylinder and a second punching die head, the second punching base is provided with the second punching oil cylinder along the vertical direction, and a piston rod of the second punching oil cylinder is fixedly connected with the second punching die head; the bottom of the second punching machine base is arranged on the first base plate through a second sliding assembly, the second punching machine base on the same side is directly and fixedly arranged on the first base plate, and the bottom of the first base plate is arranged on the first base through a third sliding assembly; the sliding direction of the second sliding assembly is the same as the material conveying direction, and the sliding direction of the third sliding assembly is perpendicular to the material conveying direction; the first punching machine base and the side part of the second punching machine base are respectively provided with a first clamping component.

The transverse folding machine is arranged on the discharge side of the combined punching and cutting machine and consists of a left transverse folding machine, a right transverse folding machine and a second material carrying platform, and the right transverse folding machine and the left transverse folding machine have the same structure and are respectively arranged on two sides of the second material carrying platform; the left transverse folding machine consists of a transverse folding oil cylinder, a transverse folding die head, a transverse folding die oil cylinder, a transverse folding upper support, a transverse folding die strip and a transverse folding lower support, wherein the transverse folding lower support is respectively provided with a transverse folding oil cylinder along two sides of the feeding direction, a piston rod of each transverse folding oil cylinder is fixedly provided with a first rack, each first rack is provided with a first gear which is meshed with the first rack, the first gear on each side is arranged on the outer side of a transverse folding die strip shaft, the middle part of the transverse folding die strip shaft is arranged on the transverse folding lower support through a first bearing seat, and the inner sides of the transverse folding die strip shafts on two sides are respectively fixedly arranged with two sides of the transverse folding die head; a transverse folding upper support is arranged right above the transverse folding lower support, a plurality of transverse folding die pressing oil cylinders are arranged on the transverse folding upper support, and piston rods of the transverse folding die pressing oil cylinders are fixedly arranged on the transverse folding die pressing strips; the first base is located through the fourth subassembly that slides in cross-fold lower carriage bottom, and fourth subassembly slip direction perpendicular to is walked the material direction.

The first manipulator is a first base arranged below the positioning platform, the combined punching and cutting machine, the transverse folding machine and the transition platform and is formed by connecting a fifth sliding component and a plurality of groups of sixth sliding components in series, the final-stage sixth sliding component is of an overhanging structure, and the maximum stroke is below the pre-end folding machine; the fifth sliding component and the sixth sliding component are connected through a first connecting plate; the plurality of groups of sixth sliding assemblies are connected with each other through second connecting plates; each second connecting plate is provided with a clamping manipulator assembly; the clamping manipulator assembly consists of a clamping manipulator seat, a clamping manipulator support, a clamping manipulator cylinder, a clamping manipulator clamping die, a second gear and a clamping second rack, wherein the clamping manipulator seat is fixedly provided with the clamping manipulator support, the upper part of the clamping manipulator support is provided with a discharging platform, and the tail end of the discharging platform is provided with a roller; the clamping manipulator clamping die is in a bent hook shape, one end of the clamping manipulator clamping die is fixedly connected with the second gear and is arranged on the clamping manipulator bracket through a movable hinge, the other end of the clamping manipulator clamping die is a clamping part, a clamping manipulator cylinder is fixedly arranged on a clamping manipulator seat in parallel, and a piston rod of the clamping manipulator cylinder is fixedly provided with a second rack; the second rack is meshed with the second gear, when a piston rod of the clamping manipulator cylinder extends out, the second gear is driven to rotate through the second rack, and corresponding clamping manipulators synchronously rotate to a material placing position; when the piston rod of the clamping manipulator cylinder retracts, the second gear is driven to rotate through the second rack, and the corresponding clamping manipulator clamping die synchronously rotates until the material clamping position right above the discharging platform of the clamping manipulator support.

The transition platform and the positioning platform have the same structure and are arranged on the discharge side of the transverse folding machine; and the first manipulator feeds materials among the positioning platform, the combined punching machine, the transverse folding machine, the transition platform and the pre-end folding machine in sequence.

The second manipulator is the same as the first manipulator in structure, the axis of the second manipulator is vertically arranged, the second manipulator is arranged on the second base, and the sixth sliding component at the last stage of the second manipulator extends to the position below the pre-end folding machine in the largest stroke; the second manipulator feeds materials among the pre-end folding machine, the inclined end folding machine, the transition end folding machine, the inner arc end folding machine, the combined end folding machine and the blanking platform in sequence.

The pre-end folding machine is arranged on the discharge side of the transition platform and consists of a second base, a pre-end folding machine frame is arranged on the second base through a tenth sliding assembly, a pre-end folding and pressing die oil cylinder and a second pre-end folding and pressing oil cylinder are arranged at the top of the pre-end folding machine frame along the vertical direction, a piston rod of the pre-end folding and pressing die oil cylinder is connected with a pre-end folding and pressing die, and one side of the pre-end folding and pressing die, close to the pre-end folding machine frame, is in an outward convex shape; a second pre-end folding die is fixedly arranged on a piston rod of the second pre-end folding oil cylinder, and one side of the second pre-end folding die, which is close to the pre-end folding machine frame, is in a finger shape; a pre-end folding supporting table is also arranged on the pre-end folding machine frame right below the pre-end folding die; a first pre-end mould folding oil cylinder is fixedly arranged below the pre-end mould folding supporting table, and a piston rod of the first pre-end mould folding oil cylinder is connected with a seventh rack; the seventh rack drives a seventh gear, a first pre-end folding die is connected with the seventh gear, and the seventh gear rotates to drive the first pre-end folding die to rotate around the axis of the seventh gear so as to bend the end part of the transverse folding sheet into a first pre-end folding part in an upward right-angle shape; the second pre-end folding die is in a finger shape, and the finger-shaped part of the second pre-end folding die is opposite to the first pre-end folding part; an eighth objective table is arranged on the side opposite to the pre-end folding machine frame; and a fifth clamping assembly frame is arranged on the eighth object stage, and a fifth clamping assembly which is opposite to the transverse folded material sheet is arranged on the fifth clamping assembly frame.

The oblique end folding machine is arranged on the discharge side of the transition platform and consists of a second base, an oblique end folding rack, a fourth objective table, an oblique end folding oil cylinder, an oblique end folding pressing die oil cylinder and an oblique end folding auxiliary oil cylinder, wherein the oblique end folding rack is fixedly arranged on the second base, the axis of the oblique end folding oil cylinder is 45 degrees to the horizontal direction, the oblique end folding pressing die oil cylinder is arranged above the oblique end folding supporting table, the oblique end folding auxiliary oil cylinder is arranged below the oblique end folding supporting table, and the fourth objective table with the same height as the oblique end folding supporting table is arranged on the outer side of the oblique end folding supporting table; the oblique end folding oil cylinder, the oblique end folding and pressing die oil cylinder and the oblique end folding auxiliary oil cylinder are respectively and fixedly provided with an oblique end folding die head, an oblique end folding die and an oblique end folding auxiliary die head, the tail end of the oblique end folding die head is matched with the oblique side part of the oblique end folding supporting table to form an oblique end folding shape, and the tail end of the oblique end folding auxiliary die head is a protruding structure parallel to the tail end of the oblique end folding die head; the second base is perpendicular to the first base.

The end folding machine is arranged on the discharge side of the inclined end folding machine and consists of an end folding machine frame, an end folding and pressing die oil cylinder, an end folding and pressing die connecting rod, an end folding and pressing die strip, a third rack, an end folding and pressing oil cylinder, a third object carrying platform and a seventh sliding assembly, wherein the end folding and pressing die oil cylinder is arranged on the end folding machine frame, a piston rod of the end folding and pressing die oil cylinder is movably connected with one end of the end folding and pressing die connecting rod, the middle part of the end folding and pressing die connecting rod is arranged at the top of the end folding machine frame through a movable hinge, and an end folding and pressing die is arranged at the other; an end folding support table is arranged on the end folding machine frame right below the end folding die; an end folding oil cylinder is respectively arranged at the front side part and the rear side part of the end folding machine frame along the feeding direction, a third rack is fixedly arranged on a piston rod of each end folding oil cylinder, a third gear is engaged with the third rack and assembled, the third gear is fixedly arranged at the outer end of an end folding mould strip shaft, the middle part of the end folding mould strip shaft is arranged on the end folding machine frame through a second bearing seat, and the inner ends of the end folding mould strip shafts at the two sides are respectively fixedly connected with the front end and the rear end of the end folding mould strip; the end folder frame is arranged on the second base through a seventh sliding assembly below the end folder frame, and the sliding direction of the seventh sliding assembly is perpendicular to the feeding direction.

The transition end folding machine is arranged on the discharge side of the oblique end folding machine and consists of a transition end folding machine frame, a transition end folding oil cylinder, a transition end folding and pressing template and a fifth objective table, wherein the transition end folding and pressing oil cylinder is arranged at the top of the transition end folding machine frame along the vertical direction, a piston rod of the transition end folding and pressing oil cylinder is connected with the transition end folding and pressing template, and a linear guide rail is also arranged on one side of the transition end folding and pressing template, which is close to the transition end folding machine frame; a transition end folding oil cylinder is fixedly arranged on the transition end folding and pressing template, a piston rod of the transition end folding oil cylinder is connected with a fourth rack, the fourth rack drives a fourth gear to drive a transition end folding and pressing template strip to rotate, and a transition end folding and pressing mold is also arranged at the bottom of the transition end folding and pressing template; a transition end folding supporting table is arranged right below the transition end folding die; the second base is located through the eighth subassembly that slides in transition end book frame bottom, is equipped with the fifth objective table at the other end, and fifth objective table top is equipped with the third and presss from both sides tight subassembly.

The inner arc end folding machine is arranged on the discharge side of the transition end folding machine and consists of an inner arc end folding machine frame, an inner arc end folding oil cylinder, an inner arc end folding and pressing die, an inner arc end folding and pushing oil cylinder, an inner arc end folding and pressing die plate and a sixth objective table, wherein the inner arc end folding machine frame is fixedly arranged on the second base; an inner arc end folding upward pushing oil cylinder is further arranged on the inner arc end folding rack, an inner arc end folding plate is fixedly arranged on the inner arc end folding upward pushing oil cylinder, an inner arc end folding oil cylinder is fixedly arranged on the inner arc end folding plate, a piston rod of the inner arc end folding oil cylinder is connected with a fifth rack, and the fifth rack is meshed with a fifth gear to drive an inner arc end folding die strip to rotate; an inner arc end folding left supporting table is fixedly arranged on the inner arc end folding plate and right faces the lower part of the left side of the inner arc end folding die; and a sixth object stage is arranged on the opposite side of the inner arc end folding rack, and a fourth clamping assembly is arranged above the sixth object stage.

The combined end folding machine is arranged on the discharge side of the inner arc end folding machine and consists of a combined end folding machine frame, a right-angle die cylinder, a fillet die cylinder, a seventh objective table and a ninth sliding assembly, wherein the combined end folding machine frame is fixedly arranged on a second base; the circular bead die-pressing oil cylinder is also arranged on the combined end folding machine frame which forms a plurality of angles with the piston rod of the right-angle die-pressing oil cylinder, the piston rod of the circular bead die-pressing oil cylinder is connected with a circular bead die, the head of the circular bead die is horizontal, one side close to the combined end folding machine frame is provided with a circular arc chamfer, and the middle part of the circular bead die-pressing oil cylinder is provided with a notch; a piston rod of the fillet pressing die oil cylinder moves to the corresponding position of the farthest end, a combined end folding supporting table is further arranged on the combined end folding machine frame, and the upper surface of the combined end folding supporting table is parallel to the head of the fillet pressing die; a round angle die oil cylinder is fixedly arranged on the combined end folding machine frame, and a piston rod of the round angle die oil cylinder is connected with a sixth rack; the sixth rack drives a sixth gear, a combined end folding template is connected with the sixth gear, the combined end folding template is driven to rotate around the axis of the sixth gear after the sixth gear rotates, a fillet die strip is fixedly arranged on the combined end folding template, and when the combined end folding template drives the fillet die strip to rotate, the rotation center of the fillet die strip is the circular arc chamfer center of the fillet die; the fillet die strip corresponds to the head of the fillet die, and the fillet die strip, the fillet die and the combined end folding supporting table are combined to form a fillet end folding part; the right-angle die cylinder barrel is arranged on the combined end folding template through a movable hinge, a right-angle die rotating plate is fixedly arranged on a right-angle die cylinder piston rod, the tail end of the right-angle die rotating plate is also arranged on the combined end folding template through the movable hinge, a right-angle die strip is fixedly arranged on the right-angle die rotating plate, and when the right-angle die rotating plate drives the right-angle die strip to rotate, the rotating center of the right-angle die strip is the vertex of an outward convex sharp corner of the right-angle die; a seventh objective table is arranged on the opposite side of the combined end folding machine frame; and a blanking platform for placing the special-shaped door plate of the kitchen cabinet is arranged on the discharge side of the combined end folding machine.

The embodiment of the invention also provides a production process for processing the special-shaped door plate of the kitchen cabinet in a combined mode, which sequentially comprises a positioning process, a combined punching process, a transverse folding process, a transition process, a pre-end folding process, an oblique end folding process, a transition end folding process, an inner arc end folding machine process and a blanking process, wherein the processes are all completed on a production line for processing the special-shaped door plate of the kitchen cabinet in a combined mode, and the production line for processing the special-shaped door plate of the kitchen cabinet in a combined mode comprises an automatic feeding machine, a positioning platform, a combined punching machine, a transverse folding machine, a transition platform, a first mechanical arm, a pre-end folding machine, an oblique end folding machine, an end folding machine, a transition end folding machine, an inner arc end folding machine, a combined end folding machine, a blanking platform and a second.

The automatic feeding machine and the positioning platform jointly realize a positioning process, and the corresponding positioning process comprises the following steps: the vacuum material sucking mechanical arm sucks the stainless steel sheet from the first stacking trolley or the second stacking trolley, moves the stainless steel sheet to the brush, and returns; the front positioning assembly performs front positioning on the stainless steel sheet; the first sliding assembly drives the moving frame and the side positioning assembly to move towards the two sides of the stainless steel sheet material piece until the first sliding assembly collides with the two sides of the stainless steel sheet material piece, and then the first sliding assembly stops moving, so that the stainless steel sheet material piece is positioned at the side.

The first mechanical arm moves the stainless steel sheet from the positioning platform to the combined punching machine, so that the combined punching process is realized, and the combined punched sheet is formed. The corresponding combined punching process comprises the following steps: the fifth sliding assemblies on the first manipulator drive the two groups of sixth sliding assemblies to move to the front part and the rear part of the stainless steel sheet, and the clamping manipulator assemblies respectively clamp the front part and the rear part of the stainless steel sheet; the front positioning assembly and the side positioning assembly sequentially move back to back with the stainless steel sheet; the first manipulator moves the stainless steel sheet to a first material loading platform of the combined die cutting machine, the first clamping assembly clamps the stainless steel sheet, and the clamping manipulator assembly on the first manipulator returns to a start position; the first punching oil cylinder and the second punching oil cylinder sequentially drive the first punching die head and the second punching die head to punch the stainless steel sheet, and a first punching part and a second punching part are processed to form a combined punching sheet; and correspondingly retracting the first punching die and the second punching die.

After the combined punching process is completed, the first mechanical arm moves the combined punched material sheet from the combined punching machine to the transverse folding machine, so that the transverse folding process is completed, and the transverse folded material sheet is formed. Correspondingly, the transverse folding process comprises the following steps: the first manipulator drives the clamping manipulator assembly to clamp the front part and the rear part of the combined blanking sheet respectively, and the first clamping assembly releases the clamping of the combined blanking sheet; the first manipulator moves the combined punched material sheet to a second material carrying table of the transverse folding machine, transverse folding die cylinders on two sides extend out simultaneously, and the transverse folding die strips are driven to press the combined punched material sheet and tightly press the combined punched material sheet on the upper surface of a transverse folding lower bracket; the two lateral folding oil cylinders extend out simultaneously and respectively drive first racks on the same side to move upwards, the first racks drive first gears to drive lateral folding die strip shafts to rotate and correspondingly laterally fold die heads to rotate, and a first lateral folding processing and combining punching material sheets are carried out to form a first lateral folding part; the transverse folding oil cylinders on the two sides retract simultaneously, and the transverse folding die head rotates to return; the first manipulator moves to the combined punching material sheet again and clamps the combined punching material sheet, and the transverse folding die cylinder retracts simultaneously; the fourth sliding assemblies on the two sides respectively drive the transverse folding lower support to move towards the second material carrying table at the same time until the position of the second transverse folding part to be transversely folded is reached; the transverse folding die cylinder extends out; the transverse-folding oil cylinder stretches out again, drives the transverse-folding die strip shaft to rotate, correspondingly rotates the transverse-folding die head, performs secondary transverse-folding processing to combine the punching material sheets, processes out a second transverse-folding part and forms the transverse-folding material sheets.

After the transverse folding process is completed, the first mechanical arm moves the transverse folding sheet to the transition platform, and the transition process is realized. The corresponding transition process comprises the following steps: the transverse folding oil cylinder and the transverse folding pressing die oil cylinder are retracted; the first mechanical arm moves the transverse folded material sheet to the transition platform from the transverse folding machine, and the first mechanical arm returns after the transverse folded material sheet is loosened, so that the transition process is realized.

After the transition process is completed, the first mechanical arm moves the transverse folded material sheet to the pre-end folding machine from the transition platform, the pre-end folding process is completed, and a pre-end folded material sheet is formed. The corresponding pre-end folding process comprises the following steps: the first manipulator moves the transverse folded material sheet from the transition platform to an eighth objective table on the pre-end folding machine, a fifth clamping assembly extends out to clamp the transverse folded material sheet, a clamping manipulator assembly on the second manipulator also moves to the pre-end folding machine and clamps the transverse folded material sheet, and after the second manipulator finishes clamping, the first manipulator releases the transverse folded material sheet and returns; the pre-end folding and pressing die oil cylinder extends out to drive the pre-end folding and pressing die to press the transversely folded material sheet to the pre-end folding and supporting table; the first pre-end folding die cylinder extends out to drive the seventh rack to move upwards, the seventh rack drives the seventh gear to drive the first pre-end folding die to rotate, and a first pre-end folding part is machined; the first pre-end mould folding oil cylinder and the pre-end mould folding and pressing oil cylinder retract in sequence, and the tenth sliding assembly drives the pre-end folding machine frame to move to one side of the eighth objective table; the pre-end folding and pressing die oil cylinder extends out again; the second pre-end folding oil cylinder extends out to drive the second pre-end folding die to press downwards to the transverse folding material sheet to form a second pre-end folding part which is right-angled downwards, so that a pre-end folding material sheet is formed; the second pre-end folding oil cylinder and the pre-end folding and pressing oil cylinder retract in sequence.

And after the pre-end folding process is finished, the second mechanical arm moves the pre-end folded sheet from the pre-end folding machine to the inclined end folding machine to finish the inclined end folding process to form the inclined end folded sheet. The oblique end folding process comprises the following steps: the second manipulator moves the pre-end folded sheet from the pre-end folding machine to a fourth objective table on the oblique end folding machine, and the second manipulator returns; the second clamping assembly clamps the pre-end folded sheet, the inclined end folding and pressing die oil cylinder extends out to drive the inclined end folding and pressing die to move downwards, and the pre-end folded sheet is pressed on the inclined end folding and supporting table; the oblique end folding oil cylinder extends out to drive the oblique end folding die head to press the pre-end folding sheet at an oblique angle of 45 degrees, and an oblique end folding part is processed; the oblique end folding auxiliary oil cylinder stretches out to drive the oblique end folding auxiliary die head to move upwards to push and press the oblique end folding part to keep, so that an oblique end folding sheet is formed.

And after the oblique end folding process is finished, the second mechanical hand moves the oblique end folded material piece from the oblique end folding machine to the end folding machine to finish the end folding process to form an end folded material piece. The corresponding end folding process comprises the following steps: the second manipulator moves to the oblique end folding machine, the corresponding clamping manipulator assemblies respectively clamp the front and rear parts of the oblique end folding sheet, and the oblique end folding oil cylinder, the oblique end folding press die oil cylinder, the oblique end folding auxiliary oil cylinder and the second clamping assembly correspondingly return in sequence; the second manipulator moves the oblique end folded sheet to a third object carrying table on the end folding machine, and the second manipulator returns; the end folding and pressing die oil cylinder extends out, and drives an end folding and pressing die connecting rod to drive the end folding and pressing die to press the oblique end folding sheet to the end folding and pressing support table; the end folding oil cylinder extends out to drive the third rack to move upwards, the third rack drives the third gear to drive the end folding die strip shaft to rotate, the end folding die strip rotates, the first end folding is carried out to process the oblique end folding sheet, and a first end folding part is processed; the end folding oil cylinder retracts, and the end folding die strip rotates to return; the second manipulator moves to the inclined end material folding sheet and clamps the inclined end material folding sheet, and the end folding pressing die oil cylinder retracts; the seventh sliding component drives the end folding frame to move towards the third object carrying table until the end folding position of the second end folding part is reached; the end folding and pressing die oil cylinder extends out; the end folding oil cylinder extends out again to drive the third rack to move upwards, the third rack drives the third gear to drive the end folding die strip shaft to rotate, the end folding die strip rotates, the first end folding is carried out to process the inclined end folding piece, and a second end folding part is processed to form an end folding piece; the end folding oil cylinder and the end folding pressing die oil cylinder are retracted in sequence.

And after the end folding process is finished, the second mechanical arm moves the end folding piece from the end folding machine to the transition end folding machine to finish the transition end folding process to form a transition end folding piece. The corresponding transition end folding process comprises the following steps: after the second manipulator moves the end folded material sheet from the end folding machine to a fifth objective table of the transition end folding machine, the second manipulator returns; the third clamping assembly presses against the end flap; the transition end folding and pressing die oil cylinder extends out to drive the transition end folding and pressing die to press the end folding material sheet to the transition end folding and supporting table; the transition end folding oil cylinder extends out to drive the fourth rack to move downwards, the fourth rack drives the fourth gear to drive the transition end folding die strip to rotate, and a first transition end folding part is processed to form a middle transition end folding piece; the transition end folding oil cylinder retracts, and the transition end folding die strip rotates to return; the second manipulator moves to the middle transition end material folding sheet and clamps the material folding sheet, and the transition end mould folding oil cylinder retracts; the eighth sliding assembly drives the transition end folding machine frame to move towards the fifth objective table until the eighth sliding assembly reaches the folding position of the second transition end folding part; the transition end folding and pressing die oil cylinder extends out; the transition end folding oil cylinder extends out again to drive the fourth rack to move downwards, the fourth rack drives the fourth gear to drive the transition end folding die strip to rotate, and a second transition end folding part is machined to form a transition end folding piece; the transition end folding oil cylinder and the transition end folding pressing die oil cylinder are retracted in sequence.

And after the transition end folding process is finished, the second mechanical hand moves the transition end folding piece from the transition end folding machine to the inner arc end folding machine to finish the inner arc end folding process to form an inner arc end folding piece. The corresponding inner arc end folding process comprises the following steps: the second manipulator moves the transition end folding sheet from the transition end folding machine to a sixth objective table on the inner arc end folding machine, and the second manipulator returns; the inner arc end folding and pressing die oil cylinder extends out to drive the inner arc end folding and pressing die to press the transition end folding sheet to the inner arc end folding right supporting table; the inner arc end folding upward pushing oil cylinder extends out to drive the inner arc end folding plate to move upward, and the inner arc end folding left supporting platform on the inner arc end folding plate supports a transition end folding sheet positioned on the left side of the inner arc end folding pressing die; the inner arc end folding oil cylinder extends out to drive the fifth rack to move upwards, the fifth rack drives the fifth gear to drive the inner arc end folding die strip to rotate, and an inner arc end folding part is processed to form an inner arc end folding piece.

After the inner arc end folding machine process, the second mechanical arm moves the inner arc end folding sheet from the inner arc end folding machine to the combined end folding machine to complete the combined end folding process, and the special-shaped door plate of the kitchen cabinet is formed. The corresponding combined end folding process comprises the following steps: the second manipulator moves to the inner arc end material folding piece and clamps the material folding piece; the inner arc end folding oil cylinder, the inner arc end folding push-up oil cylinder and the inner arc end folding press die oil cylinder sequentially return; the second manipulator moves the inner arc end folding sheet from the inner arc end folding machine to a seventh objective table on the combined end folding machine, and the second manipulator returns; the right-angle pressing die oil cylinder extends out to drive the right-angle pressing die to press the inner arc end folding sheet to the combined end folding supporting table; the right-angle die oil cylinder extends out to drive the right-angle die rotating plate and the right-angle die strip to rotate, and a right-angle end folding part is processed; the right-angle die oil cylinder and the right-angle die oil cylinder sequentially retract, the ninth sliding assembly drives the combined end-folding machine frame to move to the seventh objective table until the position to be processed of the fillet end-folding part is reached, and the fillet die oil cylinder extends out to drive the fillet die to press the combined end-folding supporting table; the fillet die oil cylinder extends out, the sixth rack moves upwards, the sixth rack drives the sixth gear to drive the combined end folding template and the fillet die strip thereon to rotate around the axis of the sixth gear, and a fillet end folding part is processed to form the special-shaped door plate of the kitchen cabinet; the fillet die oil cylinder and the fillet die oil cylinder retract in sequence.

And after the combined end folding process, the second mechanical arm moves the special-shaped door plate of the kitchen cabinet from the combined end folding machine to the blanking platform to finish the blanking process.

The embodiment of the invention provides a production line for combined machining of kitchen cabinet special-shaped door plates and a production process thereof, and through designing a special bending machine, optimizing and arranging various combined bending machines and optimizing an automatic forming process, the probability of overlarge bending resilience rate when the kitchen cabinet special-shaped door plates are machined is reduced, and the continuous automatic machining of the kitchen cabinet special-shaped door plates is realized. Compared with the prior art, the invention solves the problems of high rejection rate and difficult mass production of the existing equipment for processing the special-shaped door plate of the kitchen cabinet, effectively reduces the processing cost of the special-shaped door plate of the kitchen cabinet and is convenient for popularization and use of the integral special-shaped door plate of the kitchen cabinet.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a kitchen cabinet shaped door panel to be processed and molded according to the present invention;

FIG. 2 is a partial cross-sectional view of a shaped door panel of a kitchen cabinet according to the present invention;

FIG. 3 is a schematic view showing the overall arrangement of a production line according to an embodiment of the present invention;

fig. 4 is a schematic structural view of the automatic feeding machine in the embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a positioning stage according to an embodiment of the present invention;

FIG. 6 is a schematic illustration of a positioning process in an embodiment of the invention;

FIG. 7 is a schematic structural diagram of a combined cutting press according to an embodiment of the present invention;

FIG. 8 is a schematic view of a combined blanking process in an embodiment of the present invention;

FIG. 9 is a schematic structural view of a cross-folding machine in an embodiment of the present invention;

FIG. 10 is an enlarged view of a portion of the direction I in the embodiment of the present invention;

FIG. 11 is a schematic view of a cross-folding process in an embodiment of the present invention;

FIG. 12 is a schematic view of a cross-folding process in the Y-direction in the embodiment of the present invention;

fig. 13 is a schematic structural diagram of a first robot according to an embodiment of the present invention;

FIG. 14 is a schematic diagram of a clamping robot assembly according to an embodiment of the present invention;

FIG. 15 is a schematic structural view of a pre-end folder in an embodiment of the present invention;

FIG. 16 is an enlarged view of a portion of the embodiment of the present invention from the F direction;

FIG. 17 is a schematic view of a pre-crimping process in an embodiment of the present invention;

FIG. 18 is a schematic structural view of a skew end-folding machine in an embodiment of the present invention;

FIG. 19 is an enlarged view of a portion of the direction Q in an embodiment of the present invention;

FIG. 20 is a schematic view of a bevel end-folding process in an embodiment of the present invention;

FIG. 21 is a schematic structural view of an end folder in an embodiment of the present invention;

FIG. 22 is a schematic view of a partial structure of an installation position of an end folding cylinder and an end folding module bar in the embodiment of the present invention;

FIG. 23 is a schematic view of an end folding process in an embodiment of the present invention;

FIG. 24 is a schematic structural view of a transition end folder in an embodiment of the present invention;

FIG. 25 is an enlarged view of a portion of the direction K in the embodiment of the present invention;

FIG. 26 is a schematic view of a first transition end folding process in an embodiment of the present invention;

FIG. 27 is a schematic view of a second transitional end-folding process in an embodiment of the present invention;

FIG. 28 is a schematic structural view of an inner-arc end-folding machine in an embodiment of the present invention;

FIG. 29 is an enlarged view of a portion of the direction S in the embodiment of the present invention;

FIG. 30 is a schematic view of an inner arc end folding process in an embodiment of the present invention;

FIG. 31 is a schematic view of a combined end-fold structure according to an embodiment of the present invention;

FIG. 32 is an enlarged view of a portion of the T direction in an embodiment of the present invention;

fig. 33 is a schematic view of a combined end folding process in an embodiment of the invention.

In the figure: 1, automatic feeding machine; 2, positioning a platform; 3, a combined punching machine; 4, a transverse folding machine; 5-a transition platform; 6, a first manipulator; 7-oblique end folding machine; 8-end folding machine; 9-transition end folding machine; 10-inner arc end folding machine; 11-a combined end-folding machine; 12-a blanking platform; 13-a second manipulator; 14-a pre-end folding machine; 1A-stainless steel sheet; 2A, combining and punching material sheets; 3A, transversely folding the material sheet; 4a0 — pre-end flap; 4A, folding the material piece at the inclined end; 5A-end folded piece; 6a1 — middle transition end flap; 6A-transition end folded piece; 7A-inner arc end folded piece; m, a special-shaped door plate of the kitchen cabinet; a-a first blanking portion; b-a second blanking portion; a1 — first transverse fold; a2 — second transverse fold; e0 — first pre-end fold; e00 — second pre-fold; e1 — oblique end fold; b1 — first end fold; b2 — second end fold; e2 — first transition end fold; e3 — second transition end fold; e4-inner arc end folding part; e5 — right angle end fold; e6-rounded end folds; 401 — first stacker car; 402-feeder frame; 403-suction cup holder assembly; 404, vacuum material suction mechanical arm; 405 — a second windrow; 410-positioning the platform frame; 411 — brush; 412-front positioning assembly; 413-side positioning component; 414 — a moving rack; 415 — a first glide assembly; 416 — a first base; 417 — a first substrate; 418-a second glide assembly; 419-a first die cutting die; 420-a first punching oil cylinder; 421-a first blanking stand; 422 — a first clamping assembly; 423 — second blanking stand; 424-second punching cylinder; 425 — a second die cutting die; 426 — a third glide assembly; 427-a first loading platform; 428-transverse folding oil cylinder; 429-a first bearing seat; 430-a cross-folding die head; 431-transverse folding die cylinder; 432-folding the upper bracket transversely; 433, transversely folding and pressing the die strip; 434-transversely folding the lower bracket; 435-a fourth glide assembly; 436-second loading table; 437-transverse folding of the die strip shaft; 438 — a first gear; 439 — a first rack; 441-a fifth sliding component; 442-a sixth glide assembly; 443-a first connecting plate; 444-second connecting plate; 445 — a clamping robot assembly; 70-clamping a manipulator seat; 72-clamping the manipulator support; 73-clamping manipulator cylinder; 74-a roller; 75-clamping a manipulator clamping die; 76 — a second gear; 77 — a second rack; 501-a second base; 502-a seventh glide assembly; 503-end folding oil cylinder; 504-third rack; 505 — a third gear; 506 — a third carrier table; 507-folding the supporting table; 508-end folding and pressing die; 509-end crimping die link; 510-end folding and pressing die oil cylinder; 512-end folding machine frame; 513-end folding module bar shaft; 514-end die-folding strip; 515-a second bearing block; 520-auxiliary oil cylinder with oblique end folding; 521-oblique end folding frame; 522-linear guide bearing assembly; 523-first auxiliary gear; 524-oblique end folding oil cylinder; 525-oblique end folding and pressing mould oil cylinder; 526-oblique end folding die head; 527-oblique end folding and pressing die; 528 — a second clamping assembly; 529-oblique end folding supporting table; 530 — a fourth stage; 531-oblique end folding auxiliary die head; 532-second auxiliary gear; 541-an eighth sliding assembly; 542 — fourth rack; 543-transition end folding machine frame; 544-transition end folding cylinder; 545-a transition end bending and pressing die oil cylinder; 546-transition end folding and pressing template; 547 — a third clamping assembly; 548 — a fifth stage; 549-transition end folding support table; 550-transition end die-folding strip; 551-transition end folding and pressing die; 552-fourth gear; 561-inner arc end folding machine frame; 562-an inner arc end folding oil cylinder; 563-inner arc end bending and pressing die cylinder; 564-inner arc end folding and pressing die; 565-right supporting table with folded inner arc end; 566 — a fourth clamping assembly; 567-sixth stage; 568-inner arc end die-folding strip; 569-inner arc end flaps; 570 — a third auxiliary gear; 571, the inner arc end is folded up to push the oil cylinder; 574-fifth gear; 575 — a fifth rack; 576-folding the left supporting table at the inner arc end; 580-ninth glide assembly; 581-combined end folding machine frame; 582-right-angle die pressing oil cylinder; 583-right angle compression molding; 584-a fillet pressing die oil cylinder; 585-fillet pressing die; 586 — seventh stage; 587-a combined end-folding support table; 588-assembling end folding templates; 589 — sixth rack; 590-right angle mould oil cylinder; 591-round angle mould oil cylinder; 592-right angle modular plate; 593-right angle die strip; 594 — sixth gear; 595-fillet die strip; 601-a tenth glide assembly; 602-pre-end folding machine frame; 603, a first pre-end mould folding oil cylinder; 604-second pre-end folding die; 605-a second pre-end folding cylinder; 606-a pre-end folding and pressing die cylinder; 607-pre-end folding and pressing die; 608 — eighth stage; 609 — a fifth clamping assembly; 610-a fifth clamping assembly frame; 611 — seventh rack; 612-a pre-end folding supporting table; 613-seventh gear; 614 — first pre-end crimping die.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention needs the kitchen cabinet special-shaped door panel M which is automatically processed and formed, as shown in fig. 1 and fig. 2, is a stainless steel thin plate, and referring to fig. 1, fig. 2 and fig. 20, it can be known that: the invention provides a production line for combined processing of a kitchen cabinet special-shaped door panel, which comprises an automatic feeding machine 1, a positioning platform 2, a combined punching machine 3, a transverse folding machine 4, a transition platform 5, a first manipulator 6, a pre-end folding machine 14, an oblique end folding machine 7, an end folding machine 8, a transition end folding machine 9, an inner arc end folding machine 10, a combined end folding machine 11, a blanking platform 12 and a second manipulator 13, and can continuously and automatically process the structure of the kitchen cabinet special-shaped door panel M, wherein the kitchen cabinet special-shaped door panel M is provided with a first transverse folding part A1, a second transverse folding part A2, a first end folding part B1, a second end folding part B2, an oblique end folding part E1, a first transition end folding part E2, a second transition end folding part E3, an inner arc end folding part E4, a right-angle end folding part E5, a fillet end folding part E6 and the like needing bending.

As shown in fig. 4, the automatic feeding machine 1 is composed of a first stacking trolley 401, a feeding machine frame 402, a suction cup holder assembly 403, a vacuum suction manipulator 404 and a second stacking trolley 405; the feeding frame 402 is a gantry structure, on the beam of the gantry structure, a vacuum suction manipulator 404 is arranged, the vacuum suction manipulator 404 is a two-axis rectangular coordinate manipulator structure, a suction frame assembly 403 is arranged at the tail end of the vertical axis of the vacuum suction manipulator 404, a first stacking trolley 401 and a second stacking trolley 405 are arranged on the ground below the suction frame assembly 403 and are completely the same in structure, and a positioning platform 2 is arranged between the first stacking trolley 401 and the second stacking trolley 405.

As shown in fig. 5 and 6, the positioning platform 2 comprises a positioning platform frame 410, a brush 411, a front positioning assembly 412, a side positioning assembly 413, a moving frame 414, a first sliding assembly 415, and a first base 416, wherein the positioning platform frame 410 is disposed on the first base 416; along the feeding direction of the stainless steel sheet 1A, a front positioning assembly 412 is arranged on a positioning platform frame 410, a brush 411 is arranged at the upper part of the positioning platform frame 410, a moving frame 414 is arranged below the positioning platform frame 410, and a plurality of groups of side positioning assemblies 413 are arranged on the upper surface of the moving frame 414; the bottom of the moving frame 414 is disposed on the first base 416 through the first sliding assembly 415.

The automatic feeding machine 1 and the positioning platform 2 jointly realize a positioning process, and the corresponding positioning process comprises the following steps: the vacuum suction manipulator 404 sucks the stainless steel sheet 1A from the first stacking trolley 401 and the second stacking trolley 405 in sequence, moves the stainless steel sheet to the brush 411 and returns the vacuum suction manipulator 404; the front positioning assembly 412 performs front positioning on the stainless steel thin plate material sheet 1A; the first sliding assembly 415 drives the moving frame 414 and the side positioning assembly 413 to move to both sides of the stainless steel sheet 1A until the first sliding assembly collides with both sides of the stainless steel sheet 1A, and then the first sliding assembly stops, so that the stainless steel sheet 1A is positioned.

As shown in fig. 7 and 8, the combined punching machine 3 is disposed on the discharge side of the positioning platform 2, and comprises two sets of first punching sleeves, two sets of second punching sleeves, a second sliding assembly 418, a third sliding assembly 426, and a first material loading platform 427, wherein the two sets of first punching sleeves and the two sets of second punching sleeves are disposed on two sides of the first material loading platform 427; the first punching part sleeve consists of a first punching die 419, a first punching oil cylinder 420 and a first punching base 421, the first punching oil cylinder 420 is arranged on the first punching base 421 along the vertical direction, and a piston rod of the first punching oil cylinder 420 is fixedly connected with the first punching die 419; the second punching part sleeve consists of a second punching base 423, a second punching oil cylinder 424 and a second punching die head 425, the second punching base 423 is provided with the second punching oil cylinder 424 along the vertical direction, and a piston rod of the second punching oil cylinder 424 is fixedly connected with the second punching die head 425; the bottom of the second punching machine base 423 is mounted on the first base plate 417 through the second sliding assembly 418, the second punching machine base 421 on the same side is directly and fixedly mounted on the first base plate 417, and the bottom of the first base plate 417 is arranged on the first base 416 through the third sliding assembly 426; the sliding direction of the second sliding assembly 418 is the same as the material conveying direction, and the sliding direction of the third sliding assembly 426 is perpendicular to the material conveying direction; the first and second piercing stands 420 and 424 are provided with first clamping assemblies 422, respectively, at their sides.

If the size mode of the stainless steel sheet 1A is changed, the relative positions of the two groups of first punching part sleeves, the first punching part sleeve on the same side and the second punching part sleeve can be changed by driving the second sliding component 418 and the third sliding component 426, so that the length and width directions can be respectively adjusted.

As shown in fig. 9 to 12, the transverse folding machine 4 is disposed on the discharge side of the combined blanking press 3, and is composed of a left transverse folding machine, a right transverse folding machine, and a second material loading platform 436, and the right and left transverse folding machines have the same structure and are disposed on two sides of the second material loading platform 436 respectively; the left transverse folding machine comprises a transverse folding oil cylinder 428, a transverse folding die head 430, a transverse folding die cylinder 431, a transverse folding upper support 432, a transverse folding die strip 433 and a transverse folding lower support 434, wherein the transverse folding lower support 434 is respectively provided with one transverse folding oil cylinder 428 along two sides of the feeding direction, a piston rod of each transverse folding oil cylinder 428 is fixedly provided with a first rack 439 which is meshed with the first rack 439, the first gear 438 at each side is arranged on the outer side of a transverse folding die strip shaft 437, the middle part of the transverse folding die strip shaft 437 is arranged on the transverse folding lower support 434 through a first bearing seat 429, and the inner sides of the transverse folding die strip shafts 437 at two sides are respectively fixedly arranged with two sides of the transverse folding die head 430; a transverse folding upper bracket 432 is arranged right above the transverse folding lower bracket 434, a plurality of transverse folding die pressing oil cylinders 431 are arranged on the transverse folding upper bracket 432, and piston rods of the transverse folding die pressing oil cylinders 431 are fixedly arranged on transverse folding die pressing strips 433; the bottom of the lower transverse folding bracket 434 is arranged on the first base 416 through a fourth sliding component 435, and the sliding direction of the fourth sliding component 435 is perpendicular to the material moving direction.

As shown in fig. 13 to 14, the first manipulator 6 is a first base 416 disposed below the positioning platform 2, the combined punching and cutting machine 3, the cross-folding machine 4, and the transition platform 5, and is formed by serially connecting a fifth sliding assembly 441 and a plurality of sets of sixth sliding assemblies 442, and the final-stage sixth sliding assembly 442 is of an overhanging structure, and the maximum stroke is below the pre-end-folding machine 14; the fifth sliding component 441 and the sixth sliding component 442 are connected through a first connecting plate 443; the plurality of groups of sixth sliding assemblies 442 are connected with each other through second connecting plates 444; a clamping manipulator assembly 445 is arranged on each second connecting plate 444; the clamping manipulator assembly 445 comprises a clamping manipulator seat 70, a clamping manipulator support 72, a clamping manipulator cylinder 73, a clamping manipulator clamping die 75, a second gear 76 and a clamping second rack 77, wherein the clamping manipulator support 72 is fixedly arranged on the clamping manipulator seat 70, a discharging platform is arranged at the upper part of the clamping manipulator support 72, and a roller 74 is arranged at the tail end of the discharging platform; the clamping manipulator clamping die 75 is in a hook shape, one end of the clamping manipulator clamping die is fixedly connected with the second gear 76 and is arranged on the clamping manipulator bracket 72 through a movable hinge, the other end of the clamping manipulator clamping die is a clamping part, a clamping manipulator cylinder 73 is fixedly arranged on the clamping manipulator seat 70 in parallel, and a piston rod of the clamping manipulator clamping die is fixedly provided with a second rack 77; the second rack 77 is meshed with the second gear 76, when the piston rod of the clamping manipulator cylinder 73 extends out, the second gear 76 is driven to rotate through the second rack 77, and the corresponding clamping manipulator clamping die 75 synchronously rotates until the material is placed; when the piston rod of the clamping manipulator air cylinder 73 retracts, the second gear 76 is driven to rotate through the second rack 77, and the corresponding clamping manipulator clamping die 75 synchronously rotates until the material clamping position right above the discharging platform of the clamping manipulator support 72.

The transition platform 5 has the same structure as the positioning platform 2 and is arranged on the discharge side of the transverse folding machine 4; and the first mechanical arm 6 feeds materials among the positioning platform 2, the combined punching and cutting machine 3, the transverse folding machine 4, the transition platform 5 and the pre-end folding machine 14 in sequence.

The first mechanical arm 6 moves the stainless steel sheet piece 1A from the positioning platform 2 to the combined punching machine 3, so that the combined punching process is realized, and the combined punched piece 2A is formed. The corresponding combined punching process comprises the following steps: the fifth sliding assembly 441 on the first manipulator 6 drives the two sets of sixth sliding assemblies 442 to move to the front and rear parts of the stainless steel sheet 1A, and the clamping manipulator assemblies 445 respectively clamp the front and rear parts of the stainless steel sheet 1A; the front positioning component 412 and the side positioning component 413 sequentially move back to back with the stainless steel sheet piece 1A; the first mechanical arm 6 moves the stainless steel thin plate material sheet 1A to the first material loading table 427 of the combined cutting press 3, the first clamping assembly 422 clamps the stainless steel thin plate material sheet 1A, and the clamping mechanical arm assembly 445 on the first mechanical arm 6 retracts to the starting position; the first punching oil cylinder 420 and the second punching oil cylinder 424 sequentially drive the first punching die 419 and the second punching die 425 to punch the stainless steel sheet 1A, and a first punching part A and a second punching part B are processed to form a combined punching sheet 2A; the first and second blanking dies 419, 425 retract accordingly.

The second manipulator 13 has the same structure as the first manipulator 6, and the axis is vertically arranged, the second manipulator 13 is arranged on the second base 501, and the final-stage sixth sliding assembly 442 of the second manipulator reaches the position below the pre-end folding machine 14 in the maximum stroke; the second manipulator 13 feeds materials among the pre-end folding machine 14, the oblique end folding machine 7, the end folding machine 8, the transition end folding machine 9, the inner arc end folding machine 10, the combined end folding machine 11 and the blanking platform 12 in sequence.

After the combined blanking process is completed, the first manipulator 6 moves the combined blanking material sheet 2A from the combined blanking machine 3 to the transverse folding machine 4, and the transverse folding process is completed to form a transverse folding material sheet 3A. Correspondingly, the transverse folding process comprises the following steps: the first manipulator 6 drives the clamping manipulator assembly 445 to clamp the front and rear parts of the combined blanking sheet 2A respectively, and the first clamping assembly 422 releases the clamping of the combined blanking sheet 2A; the first mechanical arm 6 moves the combined blanking sheet 2A to a second material loading table 436 of the transverse folding machine 4, the transverse folding die cylinders 431 on the two sides extend out simultaneously, and the transverse folding die strips 433 are driven to press the combined blanking sheet 2A to tightly press the combined blanking sheet on the upper surface of the transverse folding lower support 434; the transverse folding oil cylinders 428 on the two sides extend out simultaneously to respectively drive the first rack 439 on the same side to move upwards, the first rack 439 drives the first gear 438 to drive the transverse folding die strip shaft 437 to rotate, and correspondingly the transverse folding die head 430 rotates to perform first transverse folding processing and combine the punched material sheet 2A to form a first transverse folding part A1; the transverse folding oil cylinders 428 on the two sides retract simultaneously, and the transverse folding die head 430 rotates to return; the first manipulator 6 moves to the combined blanking material sheet 2A again and clamps the combined blanking material sheet, and the transverse folding and stamping oil cylinder 431 retracts simultaneously; the fourth sliding assemblies 435 on both sides respectively drive the transverse folding lower bracket 434 to move towards the second loading platform 436 simultaneously until reaching the position to be transversely folded of the second transverse folding part a 2; the transverse folding die cylinder 431 extends out; the transverse folding cylinder 428 is extended again to drive the transverse folding die bar shaft 437 to rotate, and accordingly the transverse folding die head 430 rotates, so that the second transverse folding processing is performed to combine the punched material sheets 2A, and a second transverse folding portion a2 is processed to form the transverse folding material sheets 3A.

After the transverse folding process is finished, finishing a corresponding transition process: the transverse folding oil cylinder 428 and the transverse folding die oil cylinder 431 are retracted; a first robot 6 moves the cross-folded web 3A from the cross-folding machine 4 to the transition platform 5. And a transition process is arranged, so that the beat continuity between the transverse folding process and the pre-end folding process is ensured.

As shown in fig. 15, 16, and 17, the pre-end folding machine 14 is disposed on the discharging side of the transition platform 5, and is composed of a pre-end folding machine frame 602, a pre-end folding die cylinder 606, a first pre-end folding die cylinder 603, a second pre-end folding cylinder 605, an eighth stage 608, a tenth sliding assembly 601, and a second base 501, the pre-end folding machine frame 602 is disposed on the second base 501 through the tenth sliding assembly 601, the top of the pre-end folding machine frame 602 is provided with the pre-end folding die cylinder 606 and the second pre-end folding cylinder 605 along the vertical direction, a piston rod of the pre-end folding die cylinder 606 is connected with a pre-end folding die 607, and one side of the pre-end folding die 607 close to the pre-end folding machine frame 602 is convex; a piston rod of the second pre-end folding oil cylinder 605 is fixedly provided with a second pre-end folding die 604, and one side of the second pre-end folding die 604 close to the pre-end folding machine frame 602 is in a finger shape; a pre-end folding supporting table 612 is also arranged on the pre-end folding machine frame 602 right below the pre-end folding and pressing die 607; a first pre-end mould folding oil cylinder 603 is fixedly arranged below the pre-end mould folding supporting table 612, and a piston rod of the first pre-end mould folding oil cylinder 603 is connected with a seventh rack 611; the seventh rack 611 drives the seventh gear 613, the first pre-end folding die 614 is connected to the seventh gear 613, and when the seventh gear 613 rotates, the first pre-end folding die 614 is driven to rotate around the axis of the seventh gear 613, so as to fold the end of the transverse folded sheet 3A into the first pre-end folding portion E0 that is right-angled upward; the second pre-end folding die 604 is opposite to the first pre-end folding part E0 in a finger-shaped manner; an eighth objective table 608 is arranged on the opposite side of the pre-end folding machine frame 602; a fifth clamping assembly frame 610 is provided on the eighth stage 608 and a fifth clamping assembly 609 is provided on the fifth clamping assembly frame 610 opposite the cross-folded sheet 3A.

After the transition process is completed, the first robot 6 moves the transverse folded sheet 3A from the transition platform 5 to the pre-end folding machine 14, completing the pre-end folding process, and forming a pre-end folded sheet 4a 0. The corresponding pre-end folding process comprises the following steps: the first manipulator 6 moves the transverse folded material sheet 3A from the transition platform 5 to an eighth objective table 608 on the pre-end folding machine 14, a fifth clamping assembly 609 extends out to clamp the transverse folded material sheet 3A, a clamping manipulator assembly 445 on the second manipulator 13 also moves to the pre-end folding machine 14 and clamps the transverse folded material sheet 3A, and after the clamping of the second manipulator 13 is completed, the first manipulator 6 returns after loosening the transverse folded material sheet 3A; the pre-end folding and pressing die oil cylinder 606 extends out to drive the pre-end folding and pressing die 607 to press the transverse folding sheet 3A to the pre-end folding and supporting table 612; the first pre-end folding die oil cylinder 603 extends out to drive the seventh rack 611 to move upwards, the seventh rack 611 drives the seventh gear 613 to drive the first pre-end folding die 614 to rotate, and a first pre-end folding part E0 is machined; the first pre-end folding die cylinder 603 and the pre-end folding compression die cylinder 606 retract in sequence, and the tenth sliding assembly 601 drives the pre-end folding machine frame 602 to move to one side of the eighth objective table 608; the pre-end crimping die cylinder 606 is extended again; the second pre-end folding cylinder 605 extends out to drive the second pre-end folding die 604 to press downwards to the transverse folding sheet 3A to form a second pre-end folding part E00 which is downward in a right angle, so that a pre-end folding sheet 4a0 is formed; the second pre-end folding oil cylinder 605 and the pre-end folding and pressing oil cylinder 606 retract in sequence.

As shown in fig. 18, 19, and 20, the oblique end folding machine 7 is disposed on the discharge side of the pre-end folding machine 14, and comprises an oblique end folding frame 521, a fourth object stage 530, an oblique end folding cylinder 524, an oblique end folding press cylinder 525, and an oblique end folding auxiliary cylinder 520, wherein the oblique end folding frame 521 is respectively provided with the oblique end folding cylinder 524, the oblique end folding press cylinder 525, the oblique end folding auxiliary cylinder 520, and an oblique end folding support stage 529, the oblique end folding frame 521 is fixedly mounted on the second base 501, the axial line of the oblique end folding cylinder 524 forms 45 ° with the horizontal direction, the oblique end folding press cylinder 525 is disposed above the oblique end folding support stage 529, the oblique end folding auxiliary cylinder 520 is disposed below the oblique end folding support stage 529, and the fourth object stage 530 having the same height as the oblique end folding support stage 529 is disposed outside the oblique end folding support stage 529; the oblique end folding oil cylinder 524, the oblique end folding and pressing oil cylinder 525 and the oblique end folding auxiliary oil cylinder 520 are respectively and fixedly provided with an oblique end folding die head 526, an oblique end folding die head 527 and an oblique end folding auxiliary die head 531, the tail end of the oblique end folding die head 526 is matched with the oblique side part of the oblique end folding supporting platform 529 to form an oblique end folding shape, and the tail end of the oblique end folding auxiliary die head 531 is provided with a convex structure parallel to the tail end of the oblique end folding die head 526.

After the pre-end folding process is completed, the second robot 13 moves the pre-end folded piece 4A0 from the pre-end folding machine 14 to the oblique-end folding machine 7, and the oblique-end folding process is completed to form the oblique-end folded piece 4A. The corresponding oblique end folding process comprises the following steps: the second manipulator 13 moves the pre-end folded piece 4a0 from the pre-end folder 14 to the fourth stage 530 on the diagonal end folder 7, and the second manipulator 13 retracts; the second clamping assembly 528 clamps the pre-end folded sheet 4a0, and the inclined end folding and pressing die cylinder 525 extends out to drive the inclined end folding and pressing die 527 to move downwards so as to press the pre-end folded sheet 4a0 on the inclined end folding supporting platform 529; the oblique end folding oil cylinder 524 extends out to drive the oblique end folding die head 526 to press the pre-end folding sheet 4A0 at an oblique angle of 45 degrees, and an oblique end folding part E1 is processed; the oblique end folding auxiliary cylinder 520 extends out to drive the oblique end folding auxiliary die head 531 to move upwards, and the oblique end folding part E1 is pushed and held to form the oblique end folding sheet 4A.

The end of the oblique end folding die head 526 is matched with the oblique side part of the oblique end folding supporting platform 529 to form an oblique end folding shape, and the end of the oblique end folding auxiliary die head 531 is a bulge structure parallel to the end of the oblique end folding die head 526, so that an oblique end folding part E1 is formed by compounding. Under the cooperation of the pre-end folding process, the resilience rate of the inclined end folding part E1 can be effectively reduced.

As shown in fig. 21, 22 and 23, the end folding machine 8 is disposed on the discharge side of the oblique end folding machine 7, and is composed of an end folding machine frame 512, an end folding pressing die cylinder 510, an end folding pressing die connecting rod 509, an end folding pressing die 508, an end folding die strip 514, a third rack 504, an end folding cylinder 503, a third object carrying platform 506 and a seventh sliding assembly 502, the end folding pressing die cylinder 510 is disposed on the end folding machine frame 512, a piston rod of the end folding pressing die cylinder 510 is movably connected with one end of the end folding pressing die connecting rod 509, the middle part of the end folding pressing die connecting rod 509 is mounted on the top of the end folding machine frame 512 through a movable hinge, and the end folding pressing die 508 is disposed at the other end of the end folding pressing die connecting rod 509; an end folding support table 507 is arranged on the end folding machine frame 512 right below the end folding die 508; along the feeding direction, the front side part and the rear side part of the end folding machine frame 512 are respectively provided with an end folding oil cylinder 503, a piston rod of each end folding oil cylinder 503 is fixedly provided with a third rack 504, a third gear 505 is engaged and assembled with the third rack 504, the third gear 505 is fixedly arranged at the outer end of an end folding mould strip shaft 513, the middle part of the end folding mould strip shaft 513 is arranged on the end folding machine frame 512 through a second bearing seat 515, and the inner ends of the end folding mould strip shafts 513 at the two sides are respectively fixedly connected with the front end and the rear end of the end folding mould strip 231; the lower part of the end folding machine frame 512 is installed on the second base 501 through a seventh sliding assembly 502, and the sliding direction of the seventh sliding assembly 502 is perpendicular to the material conveying direction.

After the oblique end folding process is completed, the second manipulator 13 moves the oblique end folded piece 4A from the oblique end folding machine 7 to the end folding machine 8, and the end folding process is completed to form the end folded piece 5A. The corresponding end folding process comprises the following steps: the second manipulator 13 moves to the oblique end folding machine 7, the corresponding clamping manipulator assembly 445 clamps the front and the rear parts of the oblique end folding sheet 4A respectively, and the oblique end folding oil cylinder 524, the oblique end folding and pressing mould oil cylinder 525, the oblique end folding auxiliary oil cylinder 520 and the second clamping assembly 528 return in sequence correspondingly; the second manipulator 13 moves the oblique-end folded piece 4A to the third loading table 506 on the end folding machine 8, and the second manipulator 13 returns; the end folding and pressing die cylinder 510 extends out, drives the end folding and pressing die connecting rod 509 to drive the end folding and pressing die 508 to press the oblique end folded sheet 4A to the end folding and pressing support 507; the end folding oil cylinder 503 extends out to drive the third rack 504 to move upwards, the third rack 504 drives the third gear 505 to drive the end folding mold strip shaft 513 to rotate, the end folding mold strip 514 rotates to perform first end folding to process the oblique end folded sheet 4A, and a first end folding part B1 is processed; the end folding oil cylinder 503 retracts, and the end folding die strip 514 rotates to return; the second manipulator 13 moves to the oblique end folded sheet 4A and clamps the oblique end folded sheet, and the end folding pressing die cylinder 510 retracts; the seventh sliding assembly 502 drives the end folding frame 512 to move towards the third object carrying platform 506 until reaching the end folding position of the second end folding part B2; the end-folding die cylinder 510 extends out; the end folding oil cylinder 503 extends out again to drive the third rack 504 to move upwards, the third rack 504 drives the third gear 505 to drive the end folding mold strip shaft 513 to rotate, the end folding mold strip 514 rotates to perform first end folding to process an inclined end folding piece 4A, and a second end folding part B2 is processed to form an end folding piece 5A; the end folding oil cylinder 503 and the end folding pressure die oil cylinder 510 are retracted in sequence.

As shown in fig. 24 to 27, the transition end folding machine 9 is disposed on the discharge side of the oblique end folding machine 8, and is composed of a transition end folding machine frame 543, a transition end folding cylinder 544, a transition end folding die cylinder 545, a transition end folding die plate 546, and a fifth objective table 548, wherein the top of the transition end folding machine frame 543 is provided with the transition end folding die cylinder 545 along the vertical direction, a piston rod of the transition end folding die cylinder 545 is connected with the transition end folding die plate 546, and a linear guide rail is further disposed on the transition end folding die plate 546 near the transition end folding machine frame 543; a transition end folding oil cylinder 544 is fixedly arranged on the transition end folding and pressing template 546, a piston rod of the transition end folding oil cylinder 544 is connected with a fourth rack 542, the fourth rack 542 drives a fourth gear 552 to drive a transition end folding and pressing strip 550 to rotate, and a transition end folding and pressing die 551 is further arranged at the bottom of the transition end folding and pressing template 546; a transition end folding supporting platform 549 is also arranged under the transition end folding and pressing die 551; the bottom of the transition end folding machine frame 543 is disposed on the second base 501 through the eighth sliding assembly 541, the fifth objective table 548 is disposed at the other end, and the third clamping assembly 547 is disposed above the fifth objective table 548.

After the end folding process is completed, the second manipulator 13 moves the end folding piece 5A from the end folding machine 8 to the transition end folding machine 9, and the transition end folding process is completed to form a transition end folding piece 6A. The corresponding transition end folding process comprises the following steps: after the second manipulator 13 moves the end-folded material sheet 5A from the end-folding machine 8 to the fifth objective table 548 of the transition end-folding machine 9, the second manipulator 13 returns; the third clamping assembly 547 presses against the end flap 5A; the transition end folding and pressing die oil cylinder 545 extends out to drive the transition end folding and pressing die 551 to press the end folding piece 5A to the transition end folding and supporting platform 549; the transition end folding oil cylinder 544 extends out to drive the fourth rack 542 to move downwards, the fourth rack 542 drives the fourth gear 552 to drive the transition end folding die strip 550 to rotate, and a first transition end folding part E2 is processed to form a middle transition end folding sheet 6A 1; the transition end folding oil cylinder 544 retracts, and the transition end folding die strip 550 rotates to return; the second manipulator 13 moves to the middle transition end material folding sheet 6A1 and clamps the material folding sheet, and the transition end mould folding cylinder 545 retracts; the eighth sliding assembly 541 drives the transition end folding machine frame 543 to move towards the fifth objective table 548 until the eighth transition end folding portion E3 reaches the folding position; the transition end bending die oil cylinder 545 extends out; the transition end folding oil cylinder 544 extends out again to drive the fourth rack 542 to move downwards, the fourth rack 542 drives the fourth gear 552 to drive the transition end folding die strip 550 to rotate, and a second transition end folding part E3 is processed to form a transition end folding sheet 6A; the transition end folding oil cylinder 544 and the transition end folding and pressing oil cylinder 545 retract.

As shown in fig. 28, 29, and 30, the inner arc end folding machine 10 is disposed on the discharge side of the transition end folding machine 9, and is composed of an inner arc end folding machine frame 561, an inner arc end folding cylinder 562, an inner arc end folding and pressing cylinder 563, an inner arc end folding and pressing die 564, an inner arc end folding and pushing cylinder 571, an inner arc end folding plate 569, and a sixth objective table 567, wherein the inner arc end folding machine frame 561 is fixedly mounted on the second base 501, the top of the inner arc end folding machine frame 560 is provided with the inner arc end folding and pressing cylinder 563 in the vertical direction, the piston rod of the inner arc end folding and pressing cylinder 563 is connected to the inner arc end folding and pressing die 564, and a right inner arc end folding and supporting table 565 is further disposed right below the right side of the inner arc end folding and pressing die 564; an inner arc end folding and pushing-up oil cylinder 571 is further arranged on the inner arc end folding rack 561, an inner arc end folding and pushing-up oil cylinder 569 is fixedly arranged on the inner arc end folding and pushing-up oil cylinder 571, an inner arc end folding oil cylinder 562 is fixedly arranged on the inner arc end folding plate 569, a piston rod of the inner arc end folding oil cylinder 562 is connected with a fifth rack 575, and the fifth rack 575 is meshed with a fifth gear 574 to drive an inner arc end folding mold bar 568 to rotate; an inner arc end folding left supporting table 576 is fixedly arranged on the inner arc end folding plate 569 and right below the left side of the inner arc end folding die 564; a sixth object stage 567 is provided on the opposite side of the inner curved end folding chassis 561, and a fourth clamping assembly 566 is provided above the sixth object stage 567.

After the transition end folding process is completed, the second manipulator 13 moves the transition end folded piece 6A from the transition end folding machine 9 to the inner arc end folding machine 10, and the inner arc end folding process is completed to form an inner arc end folded piece 7A. The corresponding inner arc end folding process comprises the following steps: the second manipulator 13 moves the transition end folded piece 6A from the transition end folding machine 9 to a sixth objective table 567 on the inner arc end folding machine 10, and the second manipulator 13 returns; the inner arc end folding and pressing die oil cylinder 563 extends out to drive the inner arc end folding and pressing die 564 to press the transition end folding piece 6A to the inner arc end folding right supporting table 565; the inner arc end folding upward pushing oil cylinder 571 extends out to drive the inner arc end folding plate 569 to move upward, the inner arc end on the inner arc end folding plate 569 folds the left supporting platform 576 to support the transition end folding sheet 6A positioned at the left side of the inner arc end folding die 564; the inner arc end folding oil cylinder 562 extends out to drive the fifth rack 575 to move upwards, the fifth rack 575 drives the fifth gear 574 to drive the inner arc end folding die strip 568 to rotate, and an inner arc end folding part E4 is processed to form an inner arc end folding piece 7A.

As shown in fig. 31, 32, and 33, the combined end folding machine 11 is disposed on the discharge side of the inner arc end folding machine 10, and is composed of a combined end folding machine frame 581, a right-angle die cylinder 582, a rounded die cylinder 584, a right-angle die cylinder 590, a rounded die cylinder 591, a seventh objective table 586, and a ninth sliding component 580, the combined end folding machine frame 581 is fixedly mounted on the second base 501, the top of the combined end folding machine frame 581 is provided with the right-angle die cylinder 582 in the vertical direction, the piston rod of the right-angle die cylinder 582 is connected with a right-angle die 583, and one side of the right-angle die 583, which is close to the combined end folding machine 10, is in the shape; a fillet pressing oil cylinder 584 is further arranged on the combined end-folding machine frame 581 which forms a plurality of angles with the piston rod of the right-angle pressing oil cylinder 582, the piston rod of the fillet pressing oil cylinder 584 is connected with a fillet pressing die 585, the head of the fillet pressing die 585 is horizontal, one side close to the combined end-folding machine frame 581 is provided with an arc chamfer, and the middle part is provided with a notch; the piston rod of the round-corner pressing die oil cylinder 584 moves to the corresponding position of the farthest end, a combined end folding supporting table 587 is further arranged on the combined end folding machine frame 581, and the upper surface of the combined end folding supporting table 587 is parallel to the head of the round-corner pressing die 585; a round angle die oil cylinder 591 is fixedly arranged on the combined end-folding machine frame 581, and a piston rod of the round angle die oil cylinder 591 is connected with a sixth rack 589; sixth rack 589 drive sixth gear 594 is connected with combination end book template 588 with sixth gear 594, and sixth gear 594 rotates the back, drives combination end book template 588 and rotates round sixth gear 594 axis, is equipped with fillet mould strip 595 on combination end book template 588 is solid, and when combination end book template 588 drove fillet mould strip 595 rotatory, fillet mould strip 595 rotation center was the fillet mould 585 circular arc chamfer centre of a circle for the fillet mould.

The fillet die strip 595 corresponds to the head of the fillet die 585, and the fillet die strip 595, the fillet die 585 and the combined end folding support table are combined to form a fillet end folding part E6; the right-angle die cylinder 590 is mounted on the combined end folding template 588 through a movable hinge, a right-angle die rotating plate 592 is fixedly mounted on a piston rod of the right-angle die cylinder 590, the tail end of the right-angle die rotating plate 592 is also mounted on the combined end folding template 588 through a movable hinge, a right-angle die strip 593 is fixedly mounted on the right-angle die rotating plate 592, and when the right-angle die rotating plate 592 drives the right-angle die strip 593 to rotate, the rotating center of the right-angle die strip 593 is the vertex in the shape of an outer convex sharp corner along the right-angle die; a seventh objective table 586 is further provided on the opposite side of the combined end-folding machine frame 581; and a blanking platform 12 for placing the special-shaped door plate M of the kitchen cabinet is also arranged on the discharge side of the combined end folding machine 11.

After the inner arc end folding machine process, the second manipulator 13 moves the inner arc end folding sheet 7A from the inner arc end folding machine 10 to the combined end folding machine 11 to complete the combined end folding process, so as to form the kitchen cabinet special-shaped door panel M. The corresponding combined end folding process comprises the following steps: the second manipulator 13 moves to the inner arc end folded piece 7A and clamps the folded piece; the inner arc end folding oil cylinder 562, the inner arc end folding up-pushing oil cylinder 571 and the inner arc end folding pressing die oil cylinder 563 return in sequence; the second manipulator 13 moves the inner arc end folded piece 7A from the inner arc end folding machine 10 to a seventh objective table 586 on the combined end folding machine 11, and the second manipulator 13 returns; the right-angle pressing die oil cylinder 582 extends out to drive the right-angle pressing die 583 to press the inner arc end folding sheet 7A to the combined end folding supporting table 587; the right-angle die cylinder 590 extends out to drive the right-angle die rotating plate 592 and the right-angle die strip 593 to rotate, and a right-angle end folding part E5 is processed; the right-angle die oil cylinder 590 and the right-angle die oil cylinder 582 sequentially retract, the ninth sliding assembly 580 drives the combined end-folding machine frame 581 to move towards the seventh objective table 586 until the round-angle end-folding part E6 is to be processed, and the round-angle die oil cylinder 584 extends out to drive the round-angle die 585 to press towards the combined end-folding supporting table 587; the fillet die oil cylinder 591 extends out, the sixth rack 589 moves upwards, the sixth rack 589 drives the sixth gear 594 to drive the combined end folding die plate 588 and the fillet die strip 595 thereon to rotate around the axis of the sixth gear 594, and a fillet end folding part E6 is machined to form the kitchen cabinet special-shaped door plate M; the fillet die oil cylinder 591 and the fillet die oil cylinder 584 retract in sequence.

After the combined end-folding process, the second manipulator 13 moves the kitchen cabinet special-shaped door panel M from the combined end-folding machine 11 to the blanking platform 12, so as to complete the blanking process and complete all automatic processing processes of one kitchen cabinet special-shaped door panel M.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A combined processing kitchen cabinet abnormal shape door plant production technology, by the positioning process, make up the blanking process to punch the cutting process, the cross-folding process, the transition process, end folding process in advance, the oblique end folding process, inner arc end folding process, make up end folding process, blanking process to make up sequentially, characterized by that: the process is completed on a production line for combined machining of the special-shaped door plate of the kitchen cabinet, and the production line for combined machining of the special-shaped door plate of the kitchen cabinet consists of an automatic feeding machine (1), a positioning platform (2), a combined punching and cutting machine (3), a transverse folding machine (4), a transition platform (5), a first manipulator (6), a pre-end folding machine (14), an inclined end folding machine (7), a transition end folding machine (9), an end folding machine (8), an inner arc end folding machine (10), a combined end folding machine (11), a blanking platform (12) and a second manipulator (13);

the positioning process is realized by an automatic feeding machine (1) and a positioning platform (2) together, and the positioning process comprises the following steps: a vacuum material sucking mechanical hand (404) on the automatic feeding machine (1) sucks the stainless steel sheet (1A) from the first stacking trolley (401) or the second stacking trolley (405), moves the stainless steel sheet to a brush (411), and returns the vacuum material sucking mechanical hand (404); a front positioning assembly (412) on the positioning platform (2) performs front positioning on the stainless steel sheet (1A); a first sliding component (415) on the positioning platform (2) drives the moving frame (414) and the side positioning component (413) to move towards two sides of the stainless steel sheet piece (1A) until the first sliding component collides with two sides of the stainless steel sheet piece (1A) and then stops, so that the stainless steel sheet piece (1A) is positioned at one side;

the combined punching and cutting process comprises the following steps: a fifth sliding assembly (441) on the first manipulator (6) drives two groups of sixth sliding assemblies (442) to move to the front part and the rear part of the stainless steel sheet (1A), and the manipulator assemblies on the sixth sliding assemblies (442) respectively clamp the front part and the rear part of the stainless steel sheet (1A); the piston rods on the front positioning component (412) and the side positioning component (413) are retracted; the first mechanical arm (6) moves the stainless steel thin plate material sheet (1A) to a first material loading table (427) of the combined cutting press (3), the first clamping assembly (422) clamps the stainless steel thin plate material sheet (1A), and the first mechanical arm (6) retracts to the starting position; the first punching oil cylinder (420) and the second punching oil cylinder (424) sequentially drive the first punching die head (419) and the second punching die head (425) to perform combined punching on the stainless steel sheet (1A), and respectively punch a first punching part (A) and a second punching part (B) to form a combined punching sheet (2A); after completion, the first punching die head (419) and the second punching die head (425) are retracted;

the transverse folding process comprises the following steps: the first manipulator (6) drives the clamping manipulator assembly to clamp the front part and the rear part of the combined blanking material sheet (2A) respectively, and a piston rod on the first clamping assembly (422) retracts; the first mechanical arm (6) moves the combined punching material sheet (2A) to a second material loading table (436) of the transverse folding machine (4), transverse folding die cylinders (431) on two sides extend out simultaneously, and a transverse folding die strip (433) is driven to press the combined punching material sheet (2A) and tightly press the combined punching material sheet on the upper surface of a lower frame (434) of the transverse folding machine; the transverse folding oil cylinders (428) on the two sides extend out simultaneously and respectively drive the first rack (439) on the same side to move upwards, the first rack (439) drives the first gear (438) to drive the transverse folding die bar shaft (437) to rotate, and correspondingly the transverse folding die head (430) rotates to perform first transverse folding processing to form a first transverse folding part (A1); the transverse folding oil cylinders (428) on the two sides retract simultaneously, and the transverse folding die head (430) rotates to return; the first mechanical arm (6) moves to the combined punching material sheet (2A) again and clamps the combined punching material sheet, and the transverse folding die cylinder (431) retracts at the same time; the fourth sliding assemblies (435) on the two sides respectively drive the lower frame (434) of the transverse folding machine to move towards the second material carrying table (436) at the same time until the position to be transversely folded of the second transverse folding part (A2) is reached; the transverse folding die pressing oil cylinder (431) extends out; the transverse folding oil cylinder (428) extends out again to drive the transverse folding die bar shaft (437) to rotate, the transverse folding die head (430) rotates again to perform secondary transverse folding processing, and a second transverse folding part (A2) is processed to form a transverse folding material sheet (3A);

the transition process comprises the following steps: the transverse folding oil cylinder (428) and the transverse folding die oil cylinder (431) are retracted; the first manipulator (6) moves the transverse folding sheet (3A) from the transverse folding machine (4) to the transition platform (5);

the pre-end folding process comprises the following steps: the first mechanical arm (6) moves the transverse folded material sheet (3A) from the transition platform (5) to an eighth objective table (608) on the pre-end folding machine (14), a fifth clamping assembly (609) extends out to clamp the transverse folded material sheet (3A), a clamping mechanical arm assembly (445) on the second mechanical arm (13) also moves to the pre-end folding machine (14) and clamps the transverse folded material sheet (3A), and after the clamping of the second mechanical arm (13) is completed, the first mechanical arm (6) returns after the transverse folded material sheet (3A) is loosened; the pre-end folding and pressing die oil cylinder (606) extends out to drive the pre-end folding and pressing die (607) to press the transverse folding sheet (3A) to the pre-end folding and supporting table (612); the first pre-end folding die oil cylinder (603) extends out to drive the seventh rack (611) to move upwards, the seventh rack (611) drives the seventh gear (613) to drive the first pre-end folding die (614) to rotate, and a first pre-end folding part (E0) is machined; the first pre-end die folding oil cylinder (603) and the pre-end die folding and pressing oil cylinder (606) retract in sequence, and the tenth sliding assembly (601) drives the pre-end die folding machine frame (602) to move towards one side of the eighth objective table (608); the pre-end folding and pressing die oil cylinder (606) extends out again; a second pre-end folding cylinder (605) extends out to drive a second pre-end folding die (604) to press downwards to the transverse folding sheet (3A) to form a second pre-end folding part (E00) which is downward at a right angle, thereby forming a pre-end folding sheet (4A 0); the second pre-end folding oil cylinder (605) and the pre-end folding and pressing oil cylinder (606) retract in sequence;

the oblique end folding process comprises the following steps: the second mechanical arm (13) moves the pre-end folded sheet (4A 0) from the pre-end folding machine (14) to a fourth objective table (530) on the oblique end folding machine (7), and the second mechanical arm (13) returns; the second clamping assembly (528) clamps the pre-end folded piece (4A 0), the inclined end folding and pressing die oil cylinder (525) extends out to drive the inclined end folding and pressing die (527) to move downwards, and the pre-end folded piece (4A 0) is pressed on the inclined end folding and supporting table (529); the oblique end folding oil cylinder (524) extends out to drive the oblique end folding die head (526) to press the pre-end folding sheet (4A 0) at an oblique angle of 45 degrees, and an oblique end folding part (E1) is processed; the oblique end folding auxiliary oil cylinder (520) extends out to drive the oblique end folding auxiliary die head (531) to move upwards, and the oblique end folding part (E1) is pushed and held to form an oblique end folding sheet (4A);

the end folding process comprises the following steps: the second manipulator (13) moves to the inclined end folding machine (7) to clamp the front and rear parts of the inclined end folding sheet (4A) respectively, and correspondingly the inclined end folding oil cylinder (524), the inclined end folding and pressing mould oil cylinder (525), the inclined end folding auxiliary oil cylinder (520) and the second clamping assembly (528) return in sequence; the second manipulator (13) moves the oblique end folded piece (4A) to a third object carrying table (506) on the end folding machine (8), and the second manipulator (13) returns; the end folding and pressing die oil cylinder (510) extends out, and the end folding and pressing die (508) is driven to press downwards through the end folding and pressing die connecting rod (509), so that the oblique end folding sheet (4A) is pressed to the end folding and pressing support platform (507); the end folding oil cylinder (503) extends out to drive the third rack (504) to move upwards, the third rack (504) drives the third gear (505) to drive the end folding die strip shaft (513) to rotate, the end folding die strip (514) rotates, the first end folding processing is carried out, and a first end folding part (B1) is processed; the end folding oil cylinder (503) retracts, and the end folding die strip (514) rotates to return; the second manipulator (13) moves to the inclined end folding sheet (4A) and clamps the inclined end folding sheet, and the end folding pressing die oil cylinder (510) retracts; the seventh sliding assembly (502) drives the end folding frame (512) to move towards the third object carrying table (506) until reaching the position to be folded of the second end folding part (B2); the end folding and pressing die oil cylinder (510) extends out; the end folding oil cylinder (503) extends out again to drive the third rack (504) to move upwards, the third rack (504) drives the third gear (505) to drive the end folding die strip shaft (513) to rotate, the end folding die strip (514) rotates to carry out secondary end folding processing, a second end folding part (B2) is processed, and an end folding sheet (5A) is formed; the end folding oil cylinder (503) and the end folding pressure die oil cylinder (510) retract in sequence;

the transition end folding process comprises the following steps: the second manipulator (13) moves the end folded sheet (5A) from the end folding machine (8) to a fifth objective table (548) of the transition end folding machine (9) and then returns; a third clamping assembly (547) presses against the end flap (5A); the transition end folding and pressing die oil cylinder (545) extends out to drive the transition end folding and pressing die (551) to press the end folding piece (5A) to the transition end folding and supporting table (549); the transition end folding oil cylinder (544) extends out to drive the fourth rack (542) to move downwards, the fourth rack (542) drives the fourth gear (552) to drive the transition end folding die strip (550) to rotate, and a first transition end folding part (E2) is processed to form a middle transition end folding sheet (6A 1); the transition end folding oil cylinder (544) retracts, and the transition end folding die strip (550) rotates to return; the second manipulator (13) moves to the middle transition end material folding sheet (6A 1) and clamps the material folding sheet, and the transition end mould folding and pressing oil cylinder (545) retracts; the eighth sliding assembly (541) drives the transition end folding machine frame (543) to move towards the fifth objective table (548) until the position of the second transition end folding part (E3) to be processed is reached; the transition end folding and pressing die oil cylinder (545) extends out; the transition end folding oil cylinder (544) extends out again to drive the fourth rack (542) to move downwards, the fourth rack (542) drives the fourth gear (552) to drive the transition end folding die strip (550) to rotate, and a second transition end folding part (E3) is machined to form a transition end folding piece (6A); the transition end folding oil cylinder (544) and the transition end folding and pressing mould oil cylinder (545) retract;

the inner arc end folding process comprises the following steps: the second manipulator (13) moves the transition end folded piece (6A) from the transition end folding machine (9) to a sixth objective table (567) on the inner arc end folding machine (10), and the second manipulator (13) returns; the inner arc end folding and pressing die oil cylinder (563) extends out to drive the inner arc end folding and pressing die (564) to press the transition end folding piece (6A) to the inner arc end folding right supporting table (565); the inner arc end folding upward pushing oil cylinder (571) extends out to drive the inner arc end folding plate (569) to move upward, and the inner arc end on the inner arc end folding plate (569) folds the left supporting table (576) to support the transition end folding sheet (6A) positioned on the left side of the inner arc end folding pressing die (564); the inner arc end folding oil cylinder (562) extends out to drive the fifth rack (575) to move upwards, the fifth rack (575) drives the fifth gear (574) to drive the inner arc end folding die strip (568) to rotate, and an inner arc end folding part (E4) is processed to form an inner arc end folding sheet (7A);

the combined end folding process comprises the following steps: the second manipulator (13) moves to the inner arc end folded piece (7A) and clamps the inner arc end folded piece; an inner arc end folding oil cylinder (562), an inner arc end folding up-pushing oil cylinder (571) and an inner arc end folding pressing die oil cylinder (563) return in sequence; the second mechanical arm (13) moves the inner arc end folding piece (7A) from the inner arc end folding machine (10) to a seventh objective table (586) on the combined end folding machine (11), and the second mechanical arm (13) returns; the right-angle pressing die oil cylinder (582) extends out to drive the right-angle pressing die (583) to press the inner arc end folding sheet (7A) to the combined end folding supporting table (587); the right-angle die oil cylinder (590) extends out to drive the right-angle die rotating plate (592) and the right-angle die strip (593) to rotate, and a right-angle end folding part (E5) is processed; the right-angle die oil cylinder (590) and the right-angle die oil cylinder (582) retract in sequence, the ninth sliding assembly (580) drives the combined end-folding machine frame (581) to move towards the seventh objective table (586) until a round-angle end-folding part (E6) is to be processed, and the round-angle die oil cylinder (584) extends out to drive the round-angle die to press the combined end-folding supporting table (587); the fillet die oil cylinder (591) extends out, the sixth rack (589) moves upwards, the sixth rack (589) drives the sixth gear (594) to drive the combined end folding template (588) and the fillet die strip (595) on the combined end folding template to rotate around the axis of the sixth gear (594) so as to machine a fillet end folding part (E6) and form a kitchen cabinet special-shaped door panel (M); the fillet die oil cylinder (591) and the fillet die oil cylinder (584) retract in sequence;

the blanking process comprises the following steps: the second mechanical arm (13) moves the kitchen cabinet special-shaped door plate (M) from the combined end folding machine (11) to the blanking platform (12), and the second mechanical arm (13) returns.