CN109352346B

CN109352346B - Automatic forming line for special-shaped door plate of kitchen cabinet

Info

Publication number: CN109352346B
Application number: CN201811520299.8A
Authority: CN
Inventors: 孙素海; 程西伟; 夏伟; 刘波
Original assignee: Anhui Zhongjia Automation Technology Co ltd
Current assignee: Anhui Zhongjia Automation Technology Co ltd
Priority date: 2018-12-12
Filing date: 2018-12-12
Publication date: 2023-10-17
Anticipated expiration: 2038-12-12
Also published as: CN109352346A

Abstract

The utility model provides an automatic molded line of kitchen cabinet abnormal shape door plant, by automatic feeding machine (1), location platform (2), combination die-cut machine (3), cross roll machine (4), transition platform (5), first manipulator (6), oblique end book machine (7), end book machine (8), transition end book machine (9), inner arc end book machine (10), combination end book machine (11), unloading platform (12), second manipulator (13) are constituteed. Compared with the prior art, the bending rebound rate is reduced when the special-shaped door plate of the kitchen cabinet is processed by designing the special bending machine, optimally arranging a plurality of combined bending machines and optimizing an automatic forming process, the problems of high rejection rate and difficult mass production of the special-shaped door plate of the kitchen cabinet in the prior art are solved, and the special-shaped door plate of the kitchen cabinet is continuously and automatically processed, so that the processing cost of the special-shaped door plate of the kitchen cabinet is effectively reduced, and the special-shaped door plate of the kitchen cabinet is convenient to popularize and use.

Description

Automatic forming line for special-shaped door plate of kitchen cabinet

Technical Field

The invention relates to a kitchen cabinet special-shaped door plate machining device, in particular to an automatic forming line capable of automatically machining and forming a kitchen cabinet special-shaped door plate.

Background

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

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

Disclosure of Invention

The embodiment of the invention provides an automatic forming line capable of automatically forming the special-shaped door plate of a kitchen cabinet, which solves the problems of high rejection rate and difficult mass production of the special-shaped door plate of the kitchen cabinet, thereby reducing the processing cost of the special-shaped door plate of the kitchen cabinet and being convenient for popularization and use.

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

the embodiment of the invention provides an automatic forming line for a special-shaped door plate of a kitchen cabinet, which comprises an automatic feeding machine, a positioning platform, a combined punching machine, a transverse folding machine, a transition platform, a first manipulator, 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 manipulator.

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

The positioning platform consists of a positioning platform frame, a hairbrush, 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; along the feeding direction of the stainless steel sheet material, a front positioning assembly is arranged on a positioning platform frame, a hairbrush is arranged at the upper part of the positioning platform frame, a movable 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 movable frame; the bottom of the movable frame is arranged on the first base through the first sliding component.

The combined punching machine is arranged at the discharging 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 component, a third sliding component 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 at 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 machine seat, the first punching machine seat 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 machine seat, a second punching oil cylinder and a second punching die head, the second punching machine seat 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 seat is arranged on the first base plate through a second sliding component, the second punching machine seat 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 plate through a third sliding component; the sliding direction of the second sliding component is the same as the feeding direction, and the sliding direction of the third sliding component is perpendicular to the feeding direction; the side parts of the first punching machine seat and the second punching machine seat are respectively provided with a first clamping component.

The transverse folding machine is arranged at the discharging side of the combined punching 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 are identical in structure and are respectively arranged at 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 bracket, a transverse folding die strip and a transverse folding lower bracket, wherein the transverse folding oil cylinder is respectively arranged on two sides of the transverse folding lower bracket along the feeding direction, a first rack is fixedly arranged on a piston rod of each transverse folding oil cylinder and is meshed with each first rack through a first gear, the first gears on each side are respectively arranged on the outer sides of a transverse folding die strip shaft, the middle parts of the transverse folding die strip shafts are arranged on the transverse folding lower bracket through first bearing seats, and the inner sides of the transverse folding die strip shafts on two sides are respectively fixedly arranged on two sides of the transverse folding die head; a transverse folding upper bracket is arranged right above the transverse folding lower bracket, a plurality of transverse folding die oil cylinders are arranged on the transverse folding upper bracket, and piston rods of the transverse folding die oil cylinders are fixedly arranged on the transverse folding die strips; the bottom of the transverse folding lower bracket is arranged on the first base through a fourth sliding component, and the sliding direction of the fourth sliding component is perpendicular to the feeding direction.

The first manipulator is arranged on a first base below the positioning platform, the combined punching machine and the transverse folding machine and is formed by connecting a fifth sliding component and a plurality of groups of sixth sliding components in series, the sixth sliding component of the final stage is of an overhanging structure, and the maximum stroke is reached below the transition platform; the first clamping assembly and the second clamping assembly are connected through a first connecting plate; the groups of second clamping assemblies are connected in pairs 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 support is fixedly arranged on the clamping manipulator seat, the upper part of the clamping manipulator support is 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 support through a movable hinge, the other end of the clamping manipulator clamping die is a clamping part, the clamping manipulator cylinder is fixedly arranged on the 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 the piston rod of the clamping manipulator cylinder extends out, the second gear is driven to rotate through the second rack, and the clamping manipulator clamping die correspondingly rotates synchronously until the material level is discharged; when the cylinder piston rod of the clamping manipulator retracts, the second gear is driven to rotate through the second rack, and the corresponding clamping manipulator clamping die synchronously rotates until the 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 discharging side of the transverse folding machine; and the first manipulator feeds materials among the positioning platform, the combined punching machine, the transverse folding machine and the transition platform in sequence.

The second manipulator has the same structure as the first manipulator, the axis is vertical, the second manipulator is arranged on the second base, the last stage of the second manipulator is provided with a sixth sliding component, and the maximum stroke is also below the transition platform; the second manipulator feeds materials among the transition platform, the oblique 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 oblique end folding machine is arranged on the discharging side of the transition platform and comprises a second base, an oblique end folding machine frame, a fourth objective table, an oblique end folding oil cylinder, an oblique end folding die oil cylinder and an oblique end folding auxiliary oil cylinder, wherein the oblique end folding machine frame is respectively provided with the oblique end folding oil cylinder, the oblique end folding die oil cylinder, the oblique end folding auxiliary oil cylinder and the oblique end folding support platform, the oblique end folding machine frame is fixedly arranged on the second base, the axis of the oblique end folding oil cylinder is 45 degrees with the horizontal direction, the oblique end folding die oil cylinder is arranged above the oblique end folding support platform, the oblique end folding auxiliary oil cylinder is arranged below the oblique end folding support platform, and the fourth objective table which is equal to the oblique end folding support platform is arranged on the outer side of the oblique end folding support platform; the 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 end of the oblique end folding auxiliary die head is of a bulge structure parallel to the 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 discharging side of the oblique end folding machine and consists of an end folding machine frame, an end folding die cylinder, an end folding die connecting rod, an end folding die strip, a third rack, an end folding cylinder, a third objective table and a seventh sliding component, wherein the end folding machine frame is provided with the end folding die cylinder, a piston rod of the end folding die cylinder is movably connected with one end of the end folding die connecting rod, the middle part of the end folding die connecting rod is arranged at the top of the end folding machine frame through a movable hinge, and the other end of the end folding die connecting rod is provided with the end folding die; an end folding supporting table is arranged on the end folding frame right below the end folding die; along the feeding direction, the front side part and the rear side part of the end folding frame are respectively provided with an end folding oil cylinder, a piston rod of each end folding oil cylinder is fixedly provided with a third rack, a third gear is meshed with the third racks and is fixedly arranged at the outer end of an end folding mold bar shaft, the middle part of the end folding mold bar shaft is arranged on the end folding frame through a second bearing seat, and the inner ends of the end folding mold bar shafts at two sides are respectively fixedly connected with the front end and the rear end of the end folding mold bar; the lower part of the end folding frame is arranged on the second base through a seventh sliding component, and the sliding direction of the seventh sliding component is perpendicular to the feeding direction.

The transition end folding machine is arranged at the discharging side of the oblique end folding machine and consists of a transition end folding machine frame, a transition end folding cylinder, a transition end folding die plate and a fifth objective table, the top of the transition end folding machine frame is provided with the transition end folding die cylinder along the vertical direction, a piston rod of the transition end folding die cylinder is connected with the transition end folding die plate, and one side of the transition end folding die plate, which is close to the transition end folding machine frame, is also provided with a linear guide rail; a transition end folding oil cylinder is fixedly arranged on the transition end folding die plate, 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 the transition end folding die strip to rotate, and a transition end folding die is further arranged at the bottom of the transition end folding die plate; a transition end folding supporting table is arranged right below the transition end folding die; the bottom of the transition end folding frame is arranged on the second base through an eighth sliding component, a fifth objective table is arranged at the other end of the transition end folding frame, and a third clamping component is arranged above the fifth objective table.

The inner arc end folding machine is arranged at the discharging 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 die, an inner arc end folding push-up oil cylinder, an inner arc end folding plate and a sixth objective table, wherein the inner arc end folding machine frame is fixedly arranged on a second base, the top of the inner arc end folding machine frame is provided with an inner arc end folding die oil cylinder along the vertical direction, a piston rod of the inner arc end folding die oil cylinder is connected with an inner arc end folding die, and an inner arc end folding right supporting table is arranged right below the right half side of the inner arc end folding die; an inner arc end folding and pushing-up oil cylinder is further arranged on the inner arc end folding and pushing-up oil cylinder, an inner arc end folding plate is fixedly arranged on the inner arc end folding plate, 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 the inner arc end folding die strip to rotate; an inner arc end folded plate is fixedly arranged on the lower left side of the inner arc end folded die and right below the left side of the inner arc end folded die; a sixth objective table is arranged on the opposite side of the inner arc end folding frame, and a fourth clamping component is arranged above the sixth objective table.

The combined end folding machine is arranged at the discharging side of the inner arc end folding machine and consists of a combined end folding machine frame, a right-angle pressing mold cylinder, a round angle pressing mold cylinder, a right-angle mold cylinder, a round angle mold cylinder, a seventh objective table and a ninth sliding component, wherein the combined end folding machine frame is fixedly arranged on a second base, the top of the combined end folding machine frame is provided with the right-angle pressing mold cylinder along the vertical direction, a piston rod of the right-angle pressing mold cylinder is connected with a right-angle pressing mold, and one side of the right-angle pressing mold, which is close to the combined end folding machine, is in an outer convex sharp angle shape; the combined end folding frame forming a plurality of angles with the piston rod of the right-angle pressing cylinder is also provided with a round-angle pressing cylinder, the piston rod of the round-angle pressing cylinder is connected with a round-angle pressing die, the head of the round-angle pressing die is horizontal, one side, close to the combined end folding frame, is provided with a circular arc chamfer, and the middle part is provided with a notch; the piston rod of the fillet die cylinder moves to the corresponding position of the most distal end, a combined end folding supporting table is further arranged on the combined end folding rack, and the upper surface of the combined end folding supporting table is parallel to the head of the fillet die; a circular angle die cylinder is fixedly arranged on the combined end folding frame, and a piston rod of the circular angle die 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 sixth gear rotates and then drives the combined end folding template to rotate around the axis of the sixth gear, a round corner template strip is fixedly arranged on the combined end folding template, and when the combined end folding template drives the round corner template strip to rotate, the rotation center of the round corner template strip is the circle center of a round corner die arc chamfer; the round angle mould strip corresponds to the round angle mould head, and the round angle mould strip, the round angle mould and the combined end folding supporting platform are combined to form a round angle end folding part; the cylinder barrel of the right angle die cylinder is arranged on the combined end folding plate through a movable hinge, the piston rod of the right angle die cylinder is fixedly provided with a right angle die rotating plate, the tail end of the right angle die rotating plate is also arranged on the combined end folding plate through a 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 a vertex along the outer convex taper of the right angle die; a seventh objective table is arranged on the opposite side of the combined end folding frame; the discharging side of the combined end folding machine is also provided with a discharging platform for placing special-shaped door plates of the kitchen cabinet.

The embodiment of the invention also provides an automatic forming process of the special-shaped door plate of the kitchen cabinet, which sequentially comprises a positioning process, a combined punching process, a transverse 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 the automatic forming line of the special-shaped door plate of the kitchen cabinet, and the automatic forming line of the special-shaped door plate of the kitchen cabinet comprises an automatic feeding machine, a positioning platform, a combined punching machine, a transverse folding machine, a transition platform, a first manipulator, 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 manipulator.

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 manipulator sucks stainless steel sheet material sheets from the first stacking trolley or the second stacking trolley, moves the stainless steel sheet material sheets to the hairbrush, and returns the vacuum material sucking manipulator; the front positioning component is used for front positioning of the stainless steel sheet material piece; the first sliding component drives the moving frame and the side positioning component to move towards two sides of the stainless steel sheet material piece until the stainless steel sheet material piece collides with two sides of the stainless steel sheet material piece and then stops, so that the side positioning of the stainless steel sheet material piece is realized.

The first manipulator moves the stainless steel sheet material sheet from the positioning platform to the combined punching machine to realize a combined punching process and form a combined punching cutting material sheet. The corresponding combined punching process comprises the following steps: the fifth sliding components on the first manipulator drive the two groups of sixth sliding components to move to the front and rear parts of the stainless steel sheet material piece, and the manipulator components clamp the front and rear parts of the stainless steel sheet material piece respectively; the front positioning assembly and the side positioning assembly are sequentially moved back to the stainless steel sheet material; the first manipulator moves the stainless steel sheet material to a first material carrying table of the combined punching machine, the first clamping assembly clamps the stainless steel sheet material, and the manipulator assembly on the first manipulator returns to the initial 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 material piece, and a first punching part and a second punching part are processed to form a combined punching material piece; the first and second die cuts are retracted accordingly.

After the combined punching process is completed, the first manipulator moves the combined punching and cutting material sheet from the combined punching machine to the transverse folding machine, and the transverse folding process is completed to form the transverse folding material sheet. The corresponding transverse folding process comprises the following steps: the first manipulator drives the clamping manipulator assembly to clamp the front and rear parts of the combined punching and cutting material sheet respectively, and the first clamping assembly releases the clamping of the combined punching and cutting material sheet; the first mechanical arm moves the combined punching and cutting material sheet to a second material carrying table of the transverse folding machine, and transverse folding die oil cylinders at two sides extend out simultaneously to drive transverse folding die strips to press the combined punching and cutting material sheet to be tightly pressed on the upper surface of a transverse folding lower bracket; the two lateral folding cylinders extend out simultaneously to respectively drive the first racks on the same side to move upwards, the first racks drive the first gears to drive the lateral folding die shafts to rotate, and correspondingly the lateral folding die heads rotate, so that the first lateral folding processing is performed to form a combined punching and cutting material sheet, and a first lateral folding part is formed; the transverse folding cylinders on two sides retract simultaneously, and the transverse folding die heads rotate to return; the first manipulator moves to the combined punching and cutting material sheet again and clamps the combined punching and cutting material sheet, and the transverse folding die cylinder simultaneously retracts; the fourth sliding components on the two sides respectively drive the transverse folding lower bracket to move towards the second material carrying platform at the same time until reaching the position of the second transverse folding part to be transversely folded; the cylinder of the transverse folding die extends out; the transverse folding cylinder stretches out again to drive the transverse folding die bar shaft to rotate, the corresponding transverse folding die head rotates, the second transverse folding processing is carried out on the combined punching and cutting material sheet, and the second transverse folding part is processed to form the transverse folding material sheet.

After the transverse folding process is completed, the first manipulator and the second manipulator are mutually matched to realize relay transportation of the transverse folded material sheet in a right-angle route, so that a transition process is realized. The corresponding transition process comprises the following steps: the transverse folding oil cylinder and the transverse folding die oil cylinder are retracted; the first manipulator moves the transverse folded material sheet from the transverse folding machine to the transition platform, the second clamping assembly on the second manipulator also moves to the transition platform and clamps the transverse folded material sheet, and after the second manipulator clamps the transverse folded material sheet, the first manipulator releases the transverse folded material sheet and returns to the original position, so that the transition process is realized.

After the transition process is completed, the second manipulator moves the transverse folded material sheet from the transition platform to the oblique end folding machine to complete the oblique end folding process and form the oblique end folded material sheet. The corresponding oblique end folding process comprises the following steps: the second manipulator moves the transverse folded material sheet from the transition platform to a fourth objective table on the oblique end folding machine, and the second manipulator retreats; the second clamping component clamps the transverse folded material sheet, the inclined end folding die oil cylinder extends out to drive the inclined end folding die to move downwards, and the transverse folded material sheet is pressed on the inclined end folding supporting platform; the oblique end folding cylinder stretches out to drive the oblique end folding die head to press the transverse folding material sheet at an oblique angle of 45 degrees, and an oblique end folding part is processed; the oblique end folding auxiliary cylinder stretches out to drive the oblique end folding auxiliary die head to move upwards, and the oblique end folding part is pushed and kept to form an oblique end folding material sheet.

After the oblique end folding process is completed, the second manipulator moves the oblique end folded material sheet from the oblique end folding machine to the end folding machine, and the end folding process is completed to form the end folded material sheet. The corresponding end folding process comprises the following steps: the second manipulator moves to the oblique end folding machine, the corresponding manipulator components clamp the front and rear parts of the oblique end folding material sheet respectively, and correspondingly the oblique end folding oil cylinder, the oblique end folding die oil cylinder, the oblique end folding auxiliary oil cylinder and the second clamping component retract in sequence; the second manipulator moves the oblique end folded sheet to a third objective table on the end folding machine, and the second manipulator returns; the end folding die cylinder stretches out, and the driving end folding die connecting rod drives the end folding die to press the inclined end folding material sheet to the end folding supporting table; the end folding cylinder stretches out to drive the third rack to move upwards, the third rack drives the third gear to drive the end folding die bar shaft to rotate, the end folding die bar rotates, the inclined end folding material sheet is processed for the first time, and the first end folding part is processed; the end folding cylinder retracts, and the end folding mold strip rotates to return; the second manipulator moves to the oblique end folded material sheet and clamps the oblique end folded material sheet, and the end folded die cylinder retracts; the driving end folding frame of the seventh sliding component moves towards the third objective table until reaching the position of the second end folding part to be folded; the end folding die cylinder extends out; the end folding cylinder stretches out again to drive the third rack to move upwards, the third rack drives the third gear to drive the end folding die bar shaft to rotate, the end folding die bar rotates, the first end folding processing is carried out on the oblique end folding material sheet, the second end folding part is processed, and the end folding material sheet is formed; the end folding oil cylinders and the end folding die oil cylinders are retracted in sequence.

After the end folding process is finished, the second manipulator moves the end folded material sheet from the end folding machine to the transition end folding machine, and the transition end folding process is finished to form the transition end folded material sheet. 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 the fifth objective table of the transition end folding machine, the second manipulator returns; the third clamping assembly presses the end folded material sheet; the transition end folding die cylinder stretches out to drive the transition end folding die to press the end folding material sheet to the transition end folding supporting table; the transition end folding cylinder stretches out to drive the fourth rack to move downwards, and the fourth rack drives the fourth gear to drive the transition end folding mold strip to rotate, so that a first transition end folding part is processed, and a middle transition end folding sheet is formed; the transition end folding cylinder is retracted, and the transition end folding mold strip is rotated to return; the second manipulator moves to the middle transition end folding piece and clamps the middle transition end folding piece, and the transition end folding die cylinder retracts; the eighth sliding component drives the transition end folding rack to move towards the fifth objective table until reaching the folding position of the second transition end folding part; the transition end folding die cylinder extends out; the transition end folding cylinder stretches out again to drive the fourth rack to move downwards, and the fourth rack drives the fourth gear to drive the transition end folding mould strip to rotate, so that a second transition end folding part is processed, and a transition end folding piece is formed; the transition end folding cylinder and the transition end folding die cylinder are retracted in sequence.

After the transition end folding process is completed, the second manipulator moves the transition end folded material sheet from the transition end folding machine to the inner arc end folding machine, so that the inner arc end folding process is completed, and the inner arc end folded material sheet is formed. The corresponding inner arc end folding process comprises the following steps: the second manipulator moves the transition end folded 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 die cylinder stretches out to drive the inner arc end folding die to press the transition end folding material sheet to the inner arc end folding right supporting table; the inner arc end folding up-pushing oil cylinder stretches out to drive the inner arc end folding plate to move upwards, and the inner arc end folding left supporting table on the inner arc end folding plate supports a transition end folding material sheet positioned on the left side of the inner arc end folding die; the inner arc end folding cylinder stretches out to drive the fifth rack to move upwards, and the fifth rack drives the fifth gear to drive the inner arc end folding mold strip to rotate, so that an inner arc end folding part is processed, and an inner arc end folding material sheet is formed.

After the inner arc end folding machine process, the second manipulator moves the inner arc end folding material 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 folded material sheet at the inner arc end and clamps the folded material sheet; the inner arc end folding cylinder, the inner arc end folding push-up cylinder and the inner arc end folding die cylinder are sequentially retracted; the second manipulator moves the inner arc end folding piece 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 cylinder stretches out to drive the right-angle pressing die to press the inner arc end folded material sheet to the combined end folded supporting table; the right angle die cylinder stretches out to drive the right angle die rotating plate and the right angle die strip to do rotary motion, and a right angle end folding part is processed; the right angle die cylinder and the right angle die cylinder are sequentially retracted, the ninth sliding component drives the combined end folding frame to move towards the seventh objective table until the round corner end folding part is to be processed, and the round corner die cylinder extends out to drive the round corner die to press towards the combined end folding supporting table; the fillet mould oil cylinder stretches out, the sixth rack moves upwards, the sixth rack drives the sixth gear to drive the combined end folding template and the fillet mould strips on the combined end folding template to rotate around the axis of the sixth gear, and fillet end folding parts are processed to form special-shaped door plates of the kitchen cabinet; the circular angle die cylinder and the circular angle pressing die cylinder are retracted in sequence.

After the combined end folding process, the second manipulator moves the special-shaped door plate of the kitchen cabinet from the combined end folding machine to the blanking platform to complete the blanking process.

The embodiment of the invention provides an automatic forming line for special-shaped door plates of a kitchen cabinet, which reduces the probability of overlarge bending resilience rate when the special-shaped door plates of the kitchen cabinet are processed by designing a special bending machine, optimally arranging a plurality of combined bending machines and optimizing an automatic forming process, and realizes continuous automatic processing of the special-shaped door plates of the kitchen cabinet. Compared with the prior art, the special-shaped door plate for the kitchen cabinet solves the problems that the existing equipment is high in rejection rate and difficult in mass production in machining the special-shaped door plate for the kitchen cabinet, effectively reduces the machining cost of the special-shaped door plate for the kitchen cabinet, and is convenient to popularize and use.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a schematic view of a cross section of a profiled door panel of a kitchen cabinet according to the invention;

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

FIG. 4 is a schematic view of an automatic feeder according to an embodiment of the present invention;

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

FIG. 6 is a schematic diagram of a positioning process according to an embodiment of the present invention;

FIG. 7 is a schematic view of a combination die-cutting machine according to an embodiment of the present invention;

FIG. 8 is a schematic diagram of a die-cut process in combination according to an embodiment of the invention;

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

FIG. 10 is an enlarged partial view of the I-direction in an embodiment of the invention;

FIG. 11 is a schematic diagram of a cross-folding process according to an embodiment of the invention;

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

FIG. 13 is a schematic view of a first manipulator according to an embodiment of the present invention;

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

FIG. 15 is a schematic view of a structure of a oblique end folding machine according to an embodiment of the present invention;

FIG. 16 is a partial enlarged view of the Q direction in an embodiment of the invention;

FIG. 17 is a schematic diagram of a process for folding a bevel end according to an embodiment of the present invention;

FIG. 18 is a schematic view of an end folding machine according to an embodiment of the present invention;

fig. 19 is a schematic view of a partial structure of an installation position of an end folding cylinder and an end folding mold strip in an embodiment of the invention;

FIG. 20 is a schematic diagram of an end folding process according to an embodiment of the invention;

FIG. 21 is a schematic view of a transitional end-folding machine according to an embodiment of the present invention;

FIG. 22 is a partial enlarged view of the K-direction in an embodiment of the invention;

FIG. 23 is a schematic view of a first transition end-folding process according to an embodiment of the present invention;

FIG. 24 is a schematic view of a second transition end-folding process according to an embodiment of the present invention;

FIG. 25 is a schematic view of an inner-arc end-folding machine according to an embodiment of the present invention;

FIG. 26 is an enlarged view of a portion of the S-direction in an embodiment of the invention;

FIG. 27 is a schematic view of an inner arc end folding process according to an embodiment of the present invention;

FIG. 28 is a schematic view of a combined end fold structure according to an embodiment of the present invention;

FIG. 29 is a partial enlarged view in T direction in an embodiment of the invention;

fig. 30 is a schematic view of a combined end folding process according to an embodiment of the invention.

In the figure: 1-an automatic feeding machine; 2-a positioning platform; 3-a combined punching machine; 4-a transverse folding machine; 5-a transition platform; 6-a first manipulator; 7-an oblique end folding machine; 8-an end folding machine; 9-a transition end folding machine; 10-an inner arc end folding machine; 11-a combined end folding machine; 12-a blanking platform; 13-a second manipulator; 1A, stainless steel sheet material; 2A-combining the punched and cut material sheets; 3A, transversely folding the material sheet; 4A, folding a material sheet at the inclined end; 5A-end folding the material sheet; 6A1, folding a material sheet at the middle transition end; 6A, folding a material sheet at the transition end; 7A, folding a material sheet at the inner arc end; m-kitchen cabinet special-shaped door plate; a-a first die-cut portion; b-a second punching section; a1-a first transverse fold; a2-a second transverse fold; e1-oblique end folds; b1-a first end fold; b2-a second end fold; e2—a first transition end fold; e3—a second transition end fold; e4-inner arc end folds; e5-right angle end folds; e6-rounded corner end folds; 401-a first stacker trolley; 402—a loader frame; 403-a suction cup holder assembly; 404-a vacuum suction manipulator; 405-a second stacker trolley; 410—positioning a platform frame; 411-brush; 412-a front positioning assembly; 413-a side positioning assembly; 414—a mobile rack; 415-a first slip assembly; 416-a first base; 417—a first substrate; 418-a second slip assembly; 419-a first die; 420-a first punching cylinder; 421—a first die cutting bed; 422-a first clamping assembly; 423-a second die cutting stand; 424-a second die-cut cylinder; 425-a second die; 426—a third slip assembly; 427-a first loading stage; 428-a transverse folding cylinder; 429-a first bearing seat; 430—a cross-fold die; 431-a horizontal folding die cylinder; 432-cross-folding the upper support; 433-transverse folding the die strip; 434-cross-folding the lower rack; 435-a fourth slip assembly; 436-a second loading table; 437—a transverse fold bar shaft; 438—first gear; 439-a first rack; 441-a fifth slip assembly; 442-a sixth slip assembly; 443-a first connection plate; 444-a second connection plate; 445-a clamping assembly; 70-clamping the manipulator base; 72-clamping a manipulator support; 73—a clamping robot cylinder; 74-a roller; 75-clamping the manipulator clamping die; 76—a second gear; 77-a second rack; 501-a second base; 502-a seventh slip assembly; 503-end folding cylinder; 504-third rack; 505-a third gear; 506-a third stage; 507-end folding support table; 508—end folding die; 509—end press die links; 510-end press mold cylinder; 512-end folding frame; 513-end folding mold bar shaft; 514-end folding mold strips; 515-a second bearing; 520-oblique end folding auxiliary cylinder; 521-oblique end folding frame; 522—linear rail support assembly; 523-a first auxiliary gear; 524-oblique end folding cylinder; 525-an oblique end press mold oil cylinder; 526-oblique end folding die head; 527—oblique end folding die; 528-a second clamping assembly; 529-oblique end folding supporting table; 530-fourth stage; 531-oblique end folding auxiliary die head; 532—a second auxiliary gear; 541-eighth slip assembly; 542-fourth rack; 543-transition end folding frame; 544-a transition end folding cylinder; 545-a transition end press mold cylinder; 546-transition end crimping templates; 547—a third clamping assembly; 548-a fifth stage; 549-transition end folding support table; 550-transition end folding strips; 551-transition end crimping die; 552-a fourth gear; 561-inner arc end fold frame; 562-an inner arc end folding cylinder; 563-inner arc end press mold cylinder; 564-inner arc end crimping dies; 565-inner arc end folding right support table; 566-a fourth clamping assembly; 567-sixth stage; 568-inner arc end folding strips; 569-inner arc end flaps; 570—a third auxiliary gear; 571-inner arc end folding push-up cylinder; 574-a fifth gear; 575-fifth rack; 576-the inner arc end folds the left supporting table; 580-ninth slip assembly; 581-a combined end folding frame; 582-right angle press molding cylinder; 583-right angle compression molding; 584-a fillet compression molding cylinder; 585—fillet compression molding; 586-seventh stage; 587-a combined end folding supporting table; 588—a combined end fold template; 589 to a sixth rack; 590-right angle mold cylinder; 591-a circular angle mold oil cylinder; 592-right angle die rotating plate; 593-right angle molding; 594-sixth gear; 595-rounded corner molding.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The special-shaped door plate M of the kitchen cabinet, which needs to be automatically processed and molded, is in a stainless steel sheet shape, and can be seen by referring to fig. 1, 2 and 20: the special-shaped door plate M of the kitchen cabinet 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 inclined 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 round angle end folding part E6 and other structures needing bending processing, and the special-shaped door plate M of the kitchen cabinet is provided with an automatic forming line, as shown in figure 3, and can continuously and automatically process the structures in the special-shaped door plate M of the kitchen cabinet by 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, an inclined 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 discharging platform 12 and a second manipulator 13.

As shown in fig. 4, the automatic feeding machine 1 is composed of a first stacker trolley 401, a feeding machine frame 402, a sucker frame assembly 403, a vacuum sucker manipulator 404 and a second stacker trolley 405; the feeder frame 402 is gantry structure, is equipped with vacuum and inhales material manipulator 404 on gantry structure's crossbeam, and vacuum is inhaled material manipulator 404 and is diaxon rectangular coordinates manipulator structure, is equipped with sucking disc frame subassembly 403 at vacuum and inhales the vertical axis end of material manipulator 404, subaerial below sucking disc frame subassembly 403 is equipped with first windrow dolly 401, second windrow dolly 405 respectively, and first windrow dolly 401, second windrow dolly 405 structure are identical, and are equipped with positioning platform 2 between the two.

As shown in fig. 5 and 6, the positioning platform 2 is composed of a positioning platform frame 410, a brush 411, a front positioning component 412, a side positioning component 413, a moving frame 414, a first sliding component 415, and a first base 416, where the positioning platform frame 410 is disposed on the first base 416; along the feeding direction of the stainless steel sheet material 1A, a front positioning component 412 is arranged on a positioning platform frame 410, a hairbrush 411 is arranged on the upper part of the positioning platform frame 410, a movable frame 414 is arranged below the positioning platform frame 410, and a plurality of groups of side positioning components 413 are arranged on the upper surface of the movable frame 414; the bottom of the moving frame 414 is disposed on the first base 416 by a 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 sequentially sucks the stainless steel sheet material 1A from the first stacking trolley 401 and the second stacking trolley 405, moves the stainless steel sheet material to the brush 411, and returns the vacuum suction manipulator 404; the front positioning component 412 performs front positioning on the stainless steel sheet material 1A; the first sliding component 415 drives the moving frame 414 and the side positioning component 413 to move towards two sides of the stainless steel sheet material piece 1A until the stainless steel sheet material piece collides with two sides of the stainless steel sheet material piece 1A and then stops, so that the side positioning of the stainless steel sheet material piece 1A is realized.

As shown in fig. 7 and 8, the combined punching machine 3 is disposed on the discharging side of the positioning platform 2, and is composed of two groups of first punching part sleeves, two groups of second punching part sleeves, a second sliding component 418, a third sliding component 426 and a first material carrying table 427, wherein the two groups of first punching part sleeves and the two groups of second punching part sleeves are disposed on two sides of the first material carrying table 427; the first punching part sleeve consists of a first punching die head 419, a first punching oil cylinder 420 and a first punching machine seat 421, wherein the first punching oil cylinder 420 is arranged on the first punching machine seat 421 along the vertical direction, and a piston rod of the first punching oil cylinder 420 is fixedly connected with the first punching die head 419; the second punching part sleeve consists of a second punching machine seat 423, a second punching oil cylinder 424 and a second punching die head 425, the second punching machine seat 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 seat 423 is arranged on the first base plate 417 through a second sliding component 418, the second punching machine seat 421 on the same side is directly fixedly arranged on the first base plate 417, and the bottom of the first base plate 417 is arranged on the first base plate 416 through a third sliding component 426; the sliding direction of the second sliding component 418 is the same as the feeding direction, and the sliding direction of the third sliding component 426 is perpendicular to the feeding direction; the first die cutting bed 420 and the second die cutting bed 424 are provided on their sides with a first clamping assembly 422, respectively.

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

As shown in fig. 9 to 12, the transverse folding machine 4 is arranged at the discharging side of the combined punching machine 3, and consists of a left transverse folding machine, a right transverse folding machine and a second material loading table 436, wherein the right transverse folding machine and the left transverse folding machine have the same structure and are respectively arranged at two sides of the second material loading table 436; the left transverse folding machine consists of a transverse folding oil cylinder 428, a transverse folding die head 430, a transverse folding die oil cylinder 431, a transverse folding upper bracket 432, transverse folding die strips 433 and a transverse folding lower bracket 434, wherein the transverse folding lower bracket 434 is respectively provided with a transverse folding oil cylinder 428 along the two sides of the feeding direction, a piston rod of each transverse folding oil cylinder 428 is fixedly provided with a first rack 439, each first rack 439 is provided with a first gear 438 meshed with the first rack 439, the first gears 438 on each side are respectively arranged on the outer sides of the transverse folding die strip shafts 437, the middle parts of the transverse folding die strip shafts 437 are arranged on the transverse folding lower bracket 434 through first bearing seats 429, and the inner sides of the transverse folding die strip shafts 437 on the two sides are respectively fixedly arranged on the two sides of the transverse folding die head 430; a transverse upper bracket 432 is arranged right above the transverse lower bracket 434, a plurality of transverse press mold oil cylinders 431 are arranged on the transverse upper bracket 432, and piston rods of the transverse press mold oil cylinders 431 are fixedly arranged on the transverse press mold strips 433; the bottom of the transverse lower 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 feeding direction.

As shown in fig. 13 to 14, the first manipulator 6 is disposed on the first base 416 below the positioning platform 2, the combined punching machine 3, and the transverse folding machine 4, and is formed by serially connecting a fifth sliding component 441 and a plurality of groups of sixth sliding components 442, wherein the sixth sliding component 442 of the final stage is in an overhanging structure, and the maximum stroke is reached below the transition platform 5; the first clamping component 443 and the second clamping component 444 are connected through a first connecting plate 443; the groups of second clamping assemblies 444 are connected in pairs through a second connecting plate 444; a clamping robot assembly 445 is provided on each second connection plate 444; the clamping manipulator assembly 445 consists of 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 installed on the clamping manipulator support 72 through a movable hinge, the other end of the clamping manipulator clamping die is a clamping part, the clamping manipulator cylinder 73 is fixedly installed on the clamping manipulator seat 70 in parallel, and a piston rod of the clamping manipulator cylinder 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 mould 75 synchronously rotates until the material level is discharged; when the piston rod of the clamping manipulator cylinder 73 is retracted, 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 clamping position right above the discharging platform of the clamping manipulator support 72.

The transition platform 5 and the positioning platform 2 have the same structure and are arranged on the discharging side of the transverse folding machine 4; and the first manipulator 6 feeds materials among the positioning platform 2, the combined punching machine 3, the transverse folding machine 4 and the transition platform 5 in sequence.

The first manipulator 6 moves the stainless steel sheet material sheet 1A from the positioning platform 2 to the combined punching machine 3 to realize a combined punching process to form a combined punching material sheet 2A. The corresponding combined punching process comprises the following steps: the fifth sliding component 441 on the first manipulator 6 drives the two groups of sixth sliding components 442 to move to the front and rear parts of the stainless steel sheet material piece 1A, and the manipulator component 445 clamps the front and rear parts of the stainless steel sheet material piece 1A respectively; the front positioning component 412 and the side positioning component 413 sequentially move back to the stainless steel sheet material sheet 1A; the first manipulator 6 moves the stainless steel sheet material piece 1A to the first loading table 427 of the combined punching machine 3, the first clamping component 422 clamps the stainless steel sheet material piece 1A, and the manipulator component 445 on the first manipulator 6 returns to the initial 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 punch the stainless steel sheet material 1A, and a first punching part A and a second punching part B are processed to form a combined punching material sheet 2A; accordingly, the first and second cutting dies 419, 425 retract.

The second manipulator 13 has the same structure as the first manipulator 6, the axis is vertical, the second manipulator 13 is arranged on the second base 501, the final stage sixth sliding component 442 of the second manipulator has the maximum travel below the transition platform 5; the second manipulator 13 feeds materials among the transition platform 5, 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 completion of the combined die cutting process, the first robot arm 6 moves the combined die cut material sheet 2A from the combined die cutting machine 3 to the cross folding machine 4, completing the cross folding process, forming a cross folded material sheet 3A. The corresponding transverse folding process comprises the following steps: the first robot 6 drives the clamping robot assembly 445 to clamp the front and rear portions 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 punching and cutting material sheet 2A onto a second material carrying table 436 of the transverse folding machine 4, and transverse folding die oil cylinders 431 on two sides extend simultaneously to drive the transverse folding die strips 433 to press the combined punching and cutting material sheet 2A so as to press the combined punching and cutting material sheet on the upper surface of the transverse folding lower bracket 434; the two lateral cross-folding cylinders 428 extend simultaneously to respectively drive the first racks 439 on the same side to move upwards, the first racks 439 drive the first gears 438 to drive the cross-folding die shafts 437 to rotate, and the corresponding cross-folding die heads 430 rotate to carry out first cross-folding processing on the combined punching-cutting material sheet 2A to form a first cross-folding part A1; the lateral folding cylinders 428 on both sides retract simultaneously, and the lateral folding die head 430 rotates back; the first manipulator 6 moves to the combined punching and cutting material sheet 2A again and clamps it, and the transverse folding die cylinder 431 is retracted at the same time; the fourth sliding components 435 on the two sides respectively drive the transverse folding lower bracket 434 to move towards the second loading platform 436 at the same time until reaching the position of the second transverse folding part A2 to be transversely folded; the transverse press mold 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 form the second transverse folding portion A2 by processing the combined punched-cut material sheet 2A, thereby forming the transverse folding material sheet 3A.

After the transverse folding process is completed, the first manipulator 6 and the second manipulator 13 are matched with each other, and relay transportation of the transverse folded material sheet 3A in a right-angle route is realized, so that a transition process is realized. The corresponding transition process comprises the following steps: the transverse folding cylinder 428 and the transverse folding die cylinder 431 are retracted; the first manipulator 6 moves the transverse folded material sheet 3A from the transverse folding machine 4 to the transition platform 5, the second clamping assembly 444 on the second manipulator 13 also moves to the transition platform 5 and clamps the transverse folded material sheet 3A, and after the second manipulator 13 clamps, the first manipulator 6 releases the transverse folded material sheet 3A and returns to the original position, so that the transition process is realized.

As shown in fig. 15, 16 and 17, the oblique end folding machine 7 is arranged on the discharging side of the transition platform 5, and is composed of a second base 501, an oblique end folding frame 521, a fourth object stage 530, an oblique end folding cylinder 524, an oblique end folding die 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 die cylinder 525, the oblique end folding auxiliary cylinder 520 and the oblique end folding supporting platform 529, the oblique end folding frame 521 is fixedly arranged on the second base 501, the axis of the oblique end folding cylinder 524 forms 45 degrees with the horizontal direction, the oblique end folding die cylinder 525 is arranged above the oblique end folding supporting platform 529, the oblique end folding auxiliary cylinder 520 is arranged below the oblique end folding supporting platform 529, and the outer side of the oblique end folding supporting platform 529 is provided with the fourth object stage 530 which is equal to the oblique end folding supporting platform 529; the oblique end folding cylinder 524, the oblique end folding die cylinder 525 and the oblique end folding auxiliary cylinder 520 are respectively fixedly provided with an oblique end folding die head 526, an oblique end folding die 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 table 529 to form an oblique end folding shape, and the tail end of the oblique end folding auxiliary die head 531 is a bulge structure parallel to the tail end of the oblique end folding die head 526; the second base 501 is perpendicular to the first base 416.

After the transition process is completed, the second manipulator 13 moves the transverse folded material sheet 3A from the transition platform 5 to the oblique end folding machine 7, and the oblique end folding process is completed, so that the oblique end folded material sheet 4A is formed. The corresponding oblique end folding process comprises the following steps: the second manipulator 13 moves the transverse folded material sheet 3A from the transition platform 5 to the fourth objective table 530 on the oblique end folding machine 7, and the second manipulator 13 retreats; the second clamping component 528 clamps the transverse folded material sheet 3A, the oblique end folding die cylinder 525 stretches out to drive the oblique end folding die 527 to move downwards, and the transverse folded material sheet 3A is pressed on the oblique end folding supporting platform 529; the oblique end folding cylinder 524 stretches out to drive the oblique end folding die head 526 to press against the transverse folding material sheet 3A at an oblique angle of 45 degrees, so as to process an oblique end folding part E1; the oblique end folding auxiliary cylinder 520 extends to drive the oblique end folding auxiliary die 531 to move upwards, and pushes and holds the oblique end folding part E1 to form an oblique end folding material 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 table 529 to form an oblique end folding shape, the end of the oblique end folding auxiliary die head 531 is of a protruding structure parallel to the end of the oblique end folding die head 526, and the oblique end folding die head 526 is compounded to form an oblique end folding part E1, so that the rebound rate of the oblique end folding part E1 can be effectively reduced.

As shown in fig. 18, 19 and 20, the end folding machine 8 is disposed on the discharging side of the oblique end folding machine 7, and is composed of an end folding frame 512, an end folding mold cylinder 510, an end folding mold connecting rod 509, an end folding mold 508, an end folding mold bar 514, a third rack 504, an end folding cylinder 503, a third objective table 506 and a seventh sliding component 502, the end folding frame 512 is provided with an end folding mold cylinder 510, a piston rod of the end folding mold cylinder 510 is movably connected with one end of the end folding mold connecting rod 509, the middle part of the end folding mold connecting rod 509 is mounted on the top of the end folding frame 512 through a movable hinge, and the other end of the end folding mold connecting rod 509 is provided with an end folding mold 508; an end folding support table 507 is arranged on the end folding frame 512 just below the end folding die 508; along the feeding direction, the front side part and the rear side part of the end folding 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 meshed and assembled with the third rack 504, the third gear 505 is fixedly arranged at the outer end of an end folding mold bar shaft 513, the middle part of the end folding mold bar shaft 513 is arranged on the end folding frame 512 through a second bearing seat 515, and the inner ends of the end folding mold bar shafts 513 at two sides are respectively fixedly connected with the front end and the rear end of the end folding mold bar 231; the bottom of the end folding frame 512 is mounted on the second base 501 through a seventh sliding component 502, and the sliding direction of the seventh sliding component 502 is perpendicular to the feeding direction.

After the oblique end folding process is completed, the second manipulator 13 moves the oblique end folded material sheet 4A from the oblique end folding machine 7 to the end folding machine 8, and the end folding process is completed, so that the end folded material sheet 5A is formed. The corresponding end folding process comprises the following steps: the second manipulator 13 moves to the oblique end folding machine 7, the corresponding manipulator assembly 445 clamps the front and rear parts of the oblique end folding material sheet 4A respectively, and correspondingly the oblique end folding cylinder 524, the oblique end folding die cylinder 525, the oblique end folding auxiliary cylinder 520 and the second clamping assembly 528 retract in sequence; the second manipulator 13 moves the oblique-end folded material sheet 4A to a third objective table 506 on the end folding machine 8, and the second manipulator 13 returns; the end folding die oil cylinder 510 extends out, and the driving end folding die connecting rod 509 drives the end folding die 508 to press the inclined end folding material sheet 4A to the end folding supporting table 507; the end folding cylinder 503 extends to drive the third rack 504 to move upwards, the third rack 504 drives the third gear 505 to drive the end folding mold bar shaft 513 to rotate, and the end folding mold bar 514 rotates to process the oblique end folding material sheet 4A for the first time, so as to process the first end folding part B1; the end folding cylinder 503 is retracted, and the end folding die strip 514 is rotated to return; the second manipulator 13 moves to the oblique end folded material sheet 4A again and clamps the oblique end folded material sheet, and the end folded die cylinder 510 retracts; the driving end folding frame 512 of the seventh sliding component 502 moves towards the third objective table 506 until reaching the position of the second end folding part B2 to be folded; the end folding die cylinder 510 extends out; the end folding cylinder 503 stretches 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 bar shaft 513 to rotate, the end folding die bar 514 rotates, the first end folding processing of the oblique end folding material sheet 4A is carried out, the second end folding part B2 is processed, and the end folding material sheet 5A is formed; the end folding cylinder 503 and the end folding die cylinder 510 are retracted in sequence.

As shown in fig. 21 to 24, 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 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 object stage 548, wherein the top of the transition end folding frame 543 is provided with the transition end folding die cylinder 545 along the vertical direction, the 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 one side of the transition end folding die plate 546 close to the transition end folding frame 543; a transition end folding cylinder 544 is fixedly arranged on the transition end folding die plate 546, a piston rod of the transition end folding cylinder 544 is connected with a fourth rack 542, the fourth rack 542 drives a fourth gear 552 to drive the transition end folding die strip 550 to rotate, and a transition end folding die 551 is also arranged at the bottom of the transition end folding die plate 546; a transition end folding supporting table 549 is arranged right below the transition end folding die 551; the bottom of the transition end folding frame 543 is arranged on the second base 501 through an eighth sliding component 541, a fifth objective table 548 is arranged at the other end, and a third clamping component 547 is arranged above the fifth objective table 548.

After the end folding process is completed, the second manipulator 13 moves the end folded material sheet 5A from the end folding machine 8 to the transition end folding machine 9, and the transition end folding process is completed, so that the transition end folded material sheet 6A is formed. 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 object stage 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 die cylinder 545 extends to drive the transition end folding die 551 to press the end folding material sheet 5A to the transition end folding supporting platform 549; the transition end folding cylinder 544 extends out to drive the fourth rack 542 to move downwards, and the fourth rack 542 drives the fourth gear 552 to drive the transition end folding strip 550 to perform rotary motion, so that a first transition end folding part E2 is processed, and a middle transition end folding sheet 6A1 is formed; the transition end folding cylinder 544 is retracted, and the transition end folding mold strip 550 is rotated to return; the second manipulator 13 moves to the middle transition end folded material sheet 6A1 again and clamps the middle transition end folded material sheet, and the transition end folded material molding cylinder 545 retracts; the eighth sliding component 541 drives the transition end folding frame 543 to move toward the fifth object stage 548 until reaching the folding position where the second transition end folding portion E3 is located; the transition end folding die cylinder 545 extends out; the transition end folding cylinder 544 stretches 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 mould 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 cylinder 544 and the transition end folding die cylinder 545 retract.

As shown in fig. 25, 26 and 27, the inner arc end folding machine 10 is disposed at the discharge side of the transition end folding machine 9, and is composed of an inner arc end folding frame 561, an inner arc end folding cylinder 562, an inner arc end folding die cylinder 563, an inner arc end folding die 564, an inner arc end folding push-up cylinder 571, an inner arc end folding plate 569 and a sixth objective table 567, wherein the inner arc end folding frame 561 is fixedly mounted on the second base 501, the top of the inner arc end folding frame 560 is provided with an inner arc end folding die cylinder 563 along the vertical direction, the piston rod of the inner arc end folding die cylinder 563 is connected with an inner arc end folding die 564, and an inner arc end folding right supporting table 565 is further disposed right under the right half side of the inner arc end folding die 564; an inner arc end folding push-up cylinder 571 is further arranged on the inner arc end folding frame 561, an inner arc end folding plate 569 is fixedly arranged on the inner arc end folding push-up cylinder 571, an inner arc end folding cylinder 562 is fixedly arranged on the inner arc end folding plate 569, a piston rod of the inner arc end folding cylinder 562 is connected with a fifth rack 575, the fifth rack 575 is meshed with a fifth gear 574, and the inner arc end folding mould strip 568 is driven to rotate; an inner arc end folding plate 569 is fixedly provided with an inner arc end folding left supporting table 576 right below the left side of the inner arc end folding die 564; a sixth stage 567 is provided on the opposite side of the inner arc end fold housing 561, with a fourth clamping assembly 566 provided above the sixth stage 567.

After the transition end folding process is completed, the second manipulator 13 moves the transition end folded material sheet 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, so that the inner arc end folded material sheet 7A is formed. The corresponding inner arc end folding process comprises the following steps: the second manipulator 13 moves the transition end folded sheet 6A from the transition end folding machine 9 to the sixth objective table 567 on the inner arc end folding machine 10, and the second manipulator 13 returns; the inner arc end folding die cylinder 563 extends out to drive the inner arc end folding die 564 to press the transition end folding material sheet 6A towards the inner arc end folding right supporting table 565; the inner arc end folding push-up cylinder 571 stretches out to drive the inner arc end folding plate 569 to move upwards, and the inner arc end folding left supporting table 576 on the inner arc end folding plate 569 supports the transition end folding material sheet 6A positioned on the left side of the inner arc end folding die 564; the inner arc end folding cylinder 562 extends out to drive the fifth rack 575 to move upwards, and the fifth rack 575 drives the fifth gear 574 to drive the inner arc end folding mould strip 568 to rotate, so that an inner arc end folding part E4 is processed, and an inner arc end folding material sheet 7A is formed.

As shown in fig. 28, 29 and 30, 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 compression mold cylinder 582, a round-angle compression mold cylinder 584, a right-angle mold cylinder 590, a round-angle mold 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 a right-angle compression mold cylinder 582 along the vertical direction, a piston rod of the right-angle compression mold cylinder 582 is connected with a right-angle compression mold 583, and one side of the right-angle compression mold 583, which is close to the combined end folding machine 10, is in an outer convex taper shape; the combined end folding frame 581 which forms a plurality of angles with the piston rod of the right-angle pressing cylinder 582 is also provided with a round-angle pressing cylinder 584, the piston rod of the round-angle pressing cylinder 584 is connected with a round-angle pressing mold 585, the head of the round-angle pressing mold 585 is horizontal, one side close to the combined end folding frame 581 is provided with a circular arc chamfer, and the middle part is provided with a notch; the piston rod of the fillet moulding cylinder 584 moves to the most remote corresponding position, a combined end folding supporting table 587 is also arranged on the combined end folding frame 581, and the upper surface of the combined end folding supporting table 587 is parallel to the head of the fillet moulding 585; a circular angle die cylinder 591 is fixedly arranged on the combined end folding frame 581, and a piston rod of the circular angle die cylinder 591 is connected with a sixth rack 589; the sixth rack 589 drives the sixth gear 594, the sixth gear 594 is connected with the combined end folding die plate 588, after the sixth gear 594 rotates, the combined end folding die plate 588 is driven to rotate around the axis of the sixth gear 594, the round corner die strip 595 is fixedly mounted on the combined end folding die plate 588, and when the combined end folding die plate 588 drives the round corner die strip 595 to rotate, the rotation center of the round corner die strip 595 is the circle center of the round corner die 585.

The round angle mold strip 595 corresponds to the head of the round angle mold 585, and the round angle mold strip 595, the round angle mold 585 and the combined end folding support platform are combined to form a round angle end folding part E6; the cylinder barrel of the right angle die cylinder 590 is arranged on the combined end folding die plate 588 through a movable hinge, a right angle die rotating plate 592 is fixedly arranged on a piston rod of the right angle die cylinder 590, the tail end of the right angle die rotating plate 592 is also arranged on the combined end folding die plate 588 through a movable hinge, a right angle die strip 593 is fixedly arranged 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 rotation center of the right angle die strip 593 is a vertex along the outer convex sharp corner shape of the right angle die 583; a seventh objective table 586 is also arranged on the opposite side of the combined end folding frame 581; the discharging side of the combined end folding machine 11 is also provided with a discharging platform 12 for placing the special-shaped door plate M of the kitchen cabinet.

After the inner arc end folding process, the second manipulator 13 moves the inner arc end folding material sheet 7A from the inner arc end folding machine 10 to the combined end folding machine 11 to complete the combined end folding process, and the special-shaped door plate M of the kitchen cabinet is formed. The corresponding combined end folding process comprises the following steps: the second manipulator 13 moves to the inner arc end folded material sheet 7A and clamps the material sheet; the inner arc end folding cylinder 562, the inner arc end folding push-up cylinder 571 and the inner arc end folding die cylinder 563 are retracted in sequence; the second manipulator 13 moves the inner arc end folding piece 7A from the inner arc end folding machine 10 to the seventh objective table 586 on the combined end folding machine 11, and the second manipulator 13 returns; the right-angle pressing die cylinder 582 extends to drive the right-angle pressing die 583 to press the inner arc end folded material sheet 7A to the combined end folded supporting table 587; the right angle die cylinder 590 stretches out to drive the right angle die rotating plate 592 and the right angle die strip 593 to rotate, so as to process a right angle end folded part E5; the right angle die cylinder 590 and the right angle die cylinder 582 are sequentially retracted, the ninth sliding component 580 drives the combined end folding frame 581 to move towards the seventh objective table 586 until the rounded corner end folding part E6 is to be processed, the rounded corner die cylinder 584 extends out to drive the rounded corner die 585 to press towards the combined end folding supporting table 587; the circular angle die 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 circular angle die strip 595 on the combined end folding die plate to rotate around the axis of the sixth gear 594, and a circular angle end folding part E6 is processed to form a kitchen cabinet special-shaped door plate M; the corner mold cylinder 591 and the corner press cylinder 584 are retracted in order.

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

The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides an automatic molded line of kitchen cabinet abnormal shape door plant, by automatic feeding machine (1), location platform (2), combination die-cut machine (3), cross roll machine (4), transition platform (5), first manipulator (6), oblique end book machine (7), end book machine (8), transition end book machine (9), inner arc end book machine (10), combination end book machine (11), unloading platform (12), second manipulator (13) are constituteed, its characterized in that:

the automatic feeding machine (1) consists of a first stacking trolley (401), a feeding machine frame (402), a sucker frame assembly (403), a vacuum sucking manipulator (404) and a second stacking trolley (405); the feeding machine frame (402) is of a gantry structure, a vacuum material sucking manipulator (404) is arranged on a beam of the gantry structure, the vacuum material sucking manipulator (404) is of a two-axis rectangular coordinate manipulator structure, a sucker frame assembly (403) is arranged at the tail end of a vertical shaft of the vacuum material sucking manipulator (404), a first material piling trolley (401) and a second material piling trolley (405) are respectively arranged on the ground below the sucker frame assembly (403), the structures of the first material piling trolley (401) and the second material piling trolley (405) are completely the same, and a positioning platform (2) is arranged between the first material piling trolley and the second material piling trolley;

The positioning platform (2) consists of a positioning platform frame (410), a hairbrush (411), a front positioning component (412), a side positioning component (413), a moving frame (414), a first sliding component (415) and a first base (416), wherein the positioning platform frame (410) is arranged on the first base (416); along the feeding direction of the stainless steel sheet material (1A), a front positioning component (412) is arranged on a positioning platform frame (410), a hairbrush (411) is arranged at the upper part of the positioning platform frame (410), a movable frame (414) is arranged below the positioning platform frame (410), and a plurality of groups of side positioning components (413) are arranged on the upper surface of the movable frame (414); the bottom of the movable frame (414) is arranged on the first base (416) through a first sliding component (415);

the combined punching machine (3) is arranged at the discharging side of the positioning platform (2) and consists of two groups of first punching part sleeves, two groups of second punching part sleeves, a second sliding component (418), a third sliding component (426) and a first material carrying table (427), wherein the two groups of first punching part sleeves and the two groups of second punching part sleeves are arranged at two sides of the first material carrying table (427); the first punching part sleeve consists of a first punching die head (419), a first punching oil cylinder (420) and a first punching machine seat (421), the first punching machine seat (421) is provided with the first punching oil cylinder (420) along the vertical direction, and a piston rod of the first punching oil cylinder (420) is fixedly connected with the first punching die head (419); the second punching part sleeve consists of a second punching machine seat (423), a second punching oil cylinder (424) and a second punching die head (425), the second punching machine seat (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 seat (423) is arranged on the first base plate (417) through a second sliding component (418), the second punching machine seat (423) on the same side is directly fixedly arranged on the first base plate (417), and the bottom of the first base plate (417) is arranged on the first base (416) through a third sliding component (426); the sliding direction of the second sliding component (418) is the same as the feeding direction, and the sliding direction of the third sliding component (426) is perpendicular to the feeding direction; the side parts of the first punching machine seat (421) and the second punching machine seat (423) are respectively provided with a first clamping component (422);

The transverse folding machine (4) is arranged at the discharging side of the combined punching machine (3) and consists of a left transverse folding machine, a right transverse folding machine and a second material carrying table (436), and the right transverse folding machine and the left transverse folding machine are identical in structure and are respectively arranged at two sides of the second material carrying table (436); the left transverse folding machine consists of a transverse folding oil cylinder (428), a transverse folding die head (430), a transverse folding die oil cylinder (431), an upper transverse folding die shaft (432), a transverse folding die bar (433) and a lower transverse folding machine frame (434), wherein the transverse folding oil cylinder (428) is respectively arranged on two sides of the lower transverse folding machine frame along the feeding direction, a first rack (439) is fixedly arranged on a piston rod of each transverse folding oil cylinder (428), a first gear (438) is meshed with each first rack (439), the first gear (438) on each side is arranged on the outer side of a transverse folding die bar shaft (437), the middle part of the transverse folding die bar shaft (437) is arranged on the lower transverse folding machine frame (434) through a first bearing seat (429), and the inner sides of the transverse folding die bar shafts (437) on two sides are fixedly arranged on two sides of the transverse folding die head (430); a transverse folding machine upper frame (432) is arranged right above the transverse folding machine lower frame (434), a plurality of transverse folding die cylinders (431) are arranged on the transverse folding machine upper frame (432), and piston rods of the transverse folding die cylinders (431) are fixedly arranged on the transverse folding die strips (433); the bottom of the lower frame (434) of the transverse folding machine 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 feeding direction;

The first manipulator (6) is arranged on a first base (416) below the positioning platform (2), the combined punching machine (3) and the transverse folding machine (4) and is formed by connecting a fifth sliding component (441) and a plurality of groups of sixth sliding components (442) in series, and the sixth sliding component (442) of the final stage is of an overhanging structure, and the maximum stroke reaches below the transition platform (5); the first clamping component (445) and the second clamping component (445) are connected through a first connecting plate (443); the groups of second clamping assemblies (445) are connected in pairs through second connecting plates (444); a clamping manipulator assembly is arranged on each second connecting plate (444); the clamping manipulator assembly consists of 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 support (72) through a movable hinge, the other end of the clamping manipulator clamping die is a clamping part, the clamping manipulator cylinder (73) is fixedly arranged on the clamping manipulator seat (70) in parallel, and a piston rod of the clamping manipulator cylinder is fixedly provided with the second rack (77); the second rack (77) is meshed with the second gear (76), when the piston rod of the clamping manipulator cylinder (73) stretches out, the second gear (76) is driven to rotate through the second rack (77), and the corresponding clamping manipulator clamping mould (75) synchronously rotates until the material level is reached; when the piston rod of the clamping manipulator cylinder (73) is retracted, 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 clamping position right above the discharging platform of the clamping manipulator bracket (72) is reached;

The transition platform (5) and the positioning platform (2) have the same structure and are arranged on the discharging side of the transverse folding machine (4); the first manipulator (6) feeds materials among the positioning platform (2), the combined punching machine (3), the transverse folding machine (4) and the transition platform (5) in sequence;

the second manipulator (13) has the same structure as the first manipulator (6), the axes of the second manipulator are vertically arranged, the second manipulator (13) is arranged on the second base (501), the final stage sixth sliding component (442) of the second manipulator has the maximum stroke below the transition platform (5); the second manipulator (13) sequentially feeds materials among the transition platform (5), the oblique end folding machine (7), the end folding machine, the transition end folding machine (9), the inner arc end folding machine (10), the combined end folding machine (11) and the blanking platform (12);

the oblique end folding machine (7) is arranged on the discharging side of the transition platform (5), and consists of a second base (501), an oblique end folding frame (521), a fourth objective table (530), an oblique end folding cylinder (524), an oblique end folding die cylinder (525) and an oblique end folding auxiliary cylinder (520), wherein the oblique end folding cylinder (524), the oblique end folding die cylinder (525), the oblique end folding auxiliary cylinder (520) and an oblique end folding supporting table (529) are respectively arranged on the oblique end folding frame (521), the oblique end folding frame (521) is fixedly arranged on the second base (501), the axis of the oblique end folding cylinder (524) forms 45 degrees with the horizontal direction, the oblique end folding die cylinder (525) is arranged above the oblique end folding supporting table (529), the oblique end folding auxiliary cylinder (520) is arranged below the oblique end folding supporting table (529), and the fourth objective table (530) with the same height as the oblique end folding supporting table (529) is arranged outside the oblique end folding supporting table; the oblique end folding cylinder (524), the oblique end folding die cylinder (525) and the oblique end folding auxiliary cylinder (520) are respectively fixedly provided with an oblique end folding die head (526), an oblique end folding die (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 table (529) to form an oblique end folding shape, and the tail end of the oblique end folding auxiliary die head (531) is a bulge structure parallel to the tail end of the oblique end folding die head (526); the second base (501) is perpendicular to the first base (416);

The end folding machine (8) is arranged on the discharging side of the inclined end folding machine (7), and consists of an end folding machine frame (512), an end folding die oil cylinder (510), an end folding die connecting rod (509), an end folding die (508), an end folding die strip (514), a third rack (504), an end folding oil cylinder (503), a third objective table (506) and a seventh sliding component (502), wherein the end folding machine frame (512) is provided with the end folding die oil cylinder (510), a piston rod of the end folding die oil cylinder (510) is movably connected with one end of the end folding die connecting rod (509), the middle part of the end folding die connecting rod (509) is arranged at the top of the end folding machine frame (512) through a movable hinge, and the other end of the end folding die connecting rod (509) is provided with the end folding die (508); an end folding supporting table (507) is arranged on the end folding frame (512) under the end folding die (508); along the feeding direction, the front side part and the rear side part of the end folding 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 meshed with the third racks (504), the third gear (505) is fixedly arranged at the outer end of an end folding mold bar shaft (513), the middle part of the end folding mold bar shaft (513) is arranged on the end folding frame (512) through a second bearing (515), and the inner ends of the end folding mold bar shafts (513) at two sides are respectively fixedly connected with the front end and the rear end of the end folding mold bar (514); the lower part of the end folding frame (512) is arranged on the second base (501) through a seventh sliding component (502), and the sliding direction of the seventh sliding component (502) is perpendicular to the feeding direction;

The transition end folding machine (9) is arranged at the discharge side of the end folding machine (8) and consists 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), 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 one side of the transition end folding die plate (546) close to the transition end folding machine frame (543) is also provided with a linear guide rail; a transition end folding cylinder (544) is fixedly arranged on the transition end folding die plate (546), a piston rod of the transition end folding cylinder (544) is connected with a fourth rack (542), the fourth rack (542) drives a fourth gear (552) to drive the transition end folding die strip (550) to rotate, and a transition end folding die (551) is also arranged at the bottom of the transition end folding die plate (546); a transition end folding supporting platform (549) is arranged right below the transition end folding die (551); the bottom of the transition end folding frame (543) is arranged on the second base (501) through an eighth sliding component (541), a fifth objective table (548) is arranged at the other end of the transition end folding frame, and a third clamping component (547) is arranged above the fifth objective table (548);

The inner arc end folding machine (10) is arranged at the discharging side of the transition end folding machine (9), and consists of an inner arc end folding frame (561), an inner arc end folding cylinder (562), an inner arc end folding die cylinder (563), an inner arc end folding die (564), an inner arc end folding push-up cylinder (571), an inner arc end folding plate (569) and a sixth objective table (567), wherein the inner arc end folding frame (561) is fixedly arranged on the second base (501), the inner arc end folding die cylinder (563) is arranged at the top of the inner arc end folding frame (561) along the vertical direction, a piston rod of the inner arc end folding die cylinder (563) is connected with an inner arc end folding die (564), and an inner arc end folding right supporting table (565) is arranged right below the right half side of the inner arc end folding die (564); an inner arc end folding and pushing-up oil cylinder (571) is further arranged on the inner arc end folding and pushing-up frame (561), an inner arc end folding plate (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), the fifth rack (575) is meshed with a fifth gear (574) to drive the inner arc end folding mould strip (568) to rotate; an inner arc end folded plate (569) is fixedly provided with an inner arc end folded left supporting table (576) right opposite to the lower left side of the inner arc end folding die (564); a sixth objective table (567) is arranged on the opposite side of the inner arc end folding frame (561), and a fourth clamping component (566) is arranged above the sixth objective table (567);

The combined end folding machine (11) is arranged at the discharging side of the inner arc end folding machine (10), and consists of a combined end folding machine frame (581), a right-angle compression mold cylinder (582), a round angle compression mold cylinder (584), a right-angle mold cylinder (590), a round angle mold cylinder (591), a seventh objective table (586) and a ninth sliding component (580), wherein the combined end folding machine frame (581) is fixedly arranged on the second base (501), the right-angle compression mold cylinder (582) is arranged at the top of the combined end folding machine frame (581) along the vertical direction, a piston rod of the right-angle compression mold cylinder (582) is connected with a right-angle compression mold (583), and one side of the right-angle compression mold (583) close to the combined end folding machine frame (581) is in an outer convex sharp shape; the combined end folding frame (581) which forms a plurality of angles with the piston rod of the right-angle pressing cylinder (582) is also provided with a round-angle pressing cylinder (584), the piston rod of the round-angle pressing cylinder (584) is connected with a round-angle pressing die (585), the head of the round-angle pressing die (585) is horizontal, one side close to the combined end folding frame (581) is provided with an arc chamfer, and the middle part of the round-angle pressing die (585) is provided with a notch; the piston rod of the round angle pressing die 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 frame (581), and the upper surface of the combined end folding supporting table (587) is parallel to the head of the round angle pressing die (585); a circular angle die cylinder (591) is fixedly arranged on the combined end folding frame (581), and a piston rod of the circular angle die cylinder (591) is connected with a sixth rack (589); the sixth rack (589) drives a sixth gear (594), a combined end folding die plate (588) is connected with the sixth gear (594), the sixth gear (594) drives the combined end folding die plate (588) to rotate around the axis of the sixth gear (594), a round corner die strip (595) is fixedly arranged on the combined end folding die plate (588), and when the combined end folding die plate (588) drives the round corner die strip (595) to rotate, the rotation center of the round corner die strip (595) is the circle center of a round arc chamfer of the round corner die (585); the round angle die strip (595) corresponds to the head of the round angle die (585), and the round angle die strip (595), the round angle die (585) and the combined end folding supporting table (587) are combined to form a round angle end folding part (E6); the cylinder barrel of the right-angle die cylinder (590) is arranged on the combined end folding die plate (588) through a movable hinge, a right-angle die rotating plate (592) is fixedly arranged on a piston rod of the right-angle die cylinder (590), the tail end of the right-angle die rotating plate (592) is also arranged on the combined end folding die plate (588) through the movable hinge, a right-angle die strip (593) is fixedly arranged 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 rotation center of the right-angle die strip (593) is a vertex in an outer convex sharp shape along the right-angle die (583); a seventh objective table (586) is arranged on the opposite side of the combined end folding frame (581); a discharging platform (12) for placing the special-shaped door plate (M) of the kitchen cabinet is also arranged on the discharging side of the combined end folding machine (11);

The special-shaped door plate (M) of the kitchen cabinet is composed of 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 inclined 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) and a round angle end folding part (E6).