CN109484055B

CN109484055B - Automatic fillet forming machine

Info

Publication number: CN109484055B
Application number: CN201811445747.2A
Authority: CN
Inventors: 杨根
Original assignee: Dongguan Haoxin Precision Machinery Co ltd
Current assignee: Dongguan Haoxin Precision Machinery Co ltd
Priority date: 2018-11-29
Filing date: 2018-11-29
Publication date: 2024-03-29
Anticipated expiration: 2038-11-29
Also published as: CN109484055A

Abstract

The invention relates to the field of leather shell type fillet treatment machines, in particular to an automatic fillet forming machine which comprises a workbench, a conveying device and two groups of fillet mechanisms, wherein the conveying device is arranged on the workbench and is used for conveying leather shells, and the fillet mechanisms are used for carrying out fillet treatment on the leather shells conveyed by the conveying device; the two groups of round corner mechanisms are arranged on the workbench and positioned on two sides of the conveying device; each group of round corner mechanism comprises two round corner processing devices, wherein each round corner processing device comprises a first mounting seat, a second mounting seat, a first driving mechanism, a lower die, an upper die, a heating piece, a pre-pressing plate, an elastic component, a sliding seat, a third mounting seat, a second driving mechanism and a sliding seat guide rod. The utility model provides an automatic fillet forming machine can carry out the fillet to the leather shell fully automatic and handle, degree of automation is high, greatly reduced intensity of labour and labor cost, improves production efficiency, can guarantee the quality of the leather shell after the fillet is handled moreover.

Description

Automatic fillet forming machine

Technical Field

The invention relates to the field of leather shell type fillet treatment machines, in particular to an automatic fillet forming machine.

Background

At present, more and more leather shell products are rounded, the process comprises the steps of gluing and edge sealing of a rounded paperboard and facial tissue, and then conducting rounded treatment on the part of the right-angle facial tissue exceeding the rounded corner according to the rounded paperboard, wherein the traditional rounded treatment mode is to conduct rounded treatment on the leather shell products manually, the labor intensity is high, the labor cost is high, the working efficiency is low, and the quality of the leather shell after the rounded treatment cannot be guaranteed.

Disclosure of Invention

The technical problem to be solved by the invention is to provide the automatic fillet forming machine, which can fully automatically carry out fillet treatment on the leather shell, has high degree of automation, greatly reduces labor intensity and labor cost, improves production efficiency, and can ensure the quality of the leather shell after the fillet treatment.

In order to solve the technical problems, the invention adopts the following technical scheme:

an automatic fillet forming machine comprises a workbench, a conveying device and two groups of fillet mechanisms, wherein the conveying device is arranged on the workbench and used for conveying leather shells, and the fillet mechanisms are used for carrying out fillet treatment on the leather shells conveyed by the conveying device; the two groups of round corner mechanisms are arranged on the workbench and positioned on two sides of the conveying device;

each group of round corner mechanism comprises two round corner processing devices, wherein each round corner processing device comprises a first mounting seat, a second mounting seat, a first driving mechanism, a lower die, an upper die, a heating piece, a pre-pressing plate, an elastic component, a sliding seat, a third mounting seat, a second driving mechanism and a sliding seat guide rod; the first mounting seat is arranged on the workbench, the second mounting seat is arranged on the first mounting seat in a sliding manner, and the first driving mechanism is arranged on the first mounting seat and used for driving the second mounting seat to slide; the second driving mechanism is arranged on the third mounting seat and used for driving the sliding seat to slide, the heating piece is arranged on the sliding seat, the upper die is connected with the heating piece, and the heating piece is used for heating the upper die; the elastic component is arranged on the sliding seat, the pre-pressing plate is connected to the elastic component, the elastic component is used for buffering the pre-pressing force of the pre-pressing plate, and the pre-pressing plate and the second mounting seat are used for clamping the main body part of the leather shell; the lower die is arranged on the second mounting seat and is used for abutting against the right angle of the leather shell, the lower die is used for abutting against the right angle of the leather shell so that the edge of the right angle is turned up, and the upper die, the lower die and the second mounting seat are mutually matched and press-fit with the edge of the right angle of the leather shell turned up so that the right angle of the leather shell becomes a round angle.

Further, the conveying device comprises a first portal frame, a second portal frame, a first belt conveying device, a lifting mechanism, a second belt conveying device, a first belt driving mechanism, a second belt driving mechanism and two third belt conveying devices;

the second belt driving mechanism is arranged on the first portal frame and used for driving a second belt of the second belt conveying device to rotate, and the rotating second belt is used for conveying the leather shell to the first belt conveying device;

the first belt driving mechanism is arranged on the second portal frame and used for driving a first belt of the first belt conveying device to rotate, and the rotating first belt is used for conveying a leather shell conveyed to the first belt by the second belt;

the lifting mechanism is arranged on the workbench and used for driving the first belt conveying device to lift, the descending first belt conveying device is far away from the first belt driving mechanism so as to stop the first belt from rotating, the descending first belt conveying device is used for conveying the leather shell supported by the first belt to a fillet processing station of the workbench, and the moving direction of the leather shell is crossed with the lifting direction of the leather shell;

the first portal frame and the second portal frame are both provided with a third belt conveying device, the second belt driving mechanism drives the third belt conveying device arranged on the first portal frame to rotate through the second gear transmission assembly, and the first belt driving mechanism drives the third belt conveying device arranged on the second portal frame to rotate through the first gear transmission assembly; the third belt conveyor which rotates abuts against the leather shell supported by the first belt and is used for driving the leather shell to move.

Further, the first belt conveying device further comprises a first bearing plate, a first rotating shaft assembly, a second rotating shaft assembly, a third rotating shaft assembly and two connecting blocks; the first rotating shaft assembly is rotatably arranged at one end of the first bearing plate, which is close to the second portal frame, the second rotating shaft assembly is rotatably arranged at one end of the first bearing plate, which is close to the first portal frame, the first belt is wound around the first rotating shaft assembly and the second rotating shaft assembly, and the first belt is used for bearing the leather shell;

the two connecting blocks are connected to one end of the first bearing plate, which is close to the second portal frame, the two connecting blocks are respectively connected to two sides of the first bearing plate, two ends of the third rotating shaft assembly are respectively arranged on the two connecting blocks in a rotating mode, the third rotating shaft assembly presses the first belt on the first rotating shaft assembly, and the third rotating shaft assembly is used for driving the first rotating shaft assembly to rotate;

the first belt driving mechanism further comprises a fourth rotating shaft assembly and a first motor; the fourth rotating shaft assembly is rotationally arranged on the second portal frame, the first motor is arranged on the second portal frame and used for driving the fourth rotating shaft assembly to rotate, and the rotating fourth rotating shaft assembly is used for driving the third rotating shaft assembly to rotate; the fourth rotating shaft assembly drives the third belt conveying device arranged on the second portal frame to rotate through the first gear transmission assembly.

Further, the lifting mechanism comprises a third driving mechanism, a guide post, a first guide sleeve and a limiting rod; the first guide sleeve is arranged on the workbench, the guide pillar is arranged on the first guide sleeve in a sliding manner, the guide pillar is connected to the first bearing plate, the third driving mechanism is arranged on the workbench and is used for driving the guide pillar to slide so as to enable the first bearing plate to move up and down, the descending first bearing plate drives the third rotating shaft component to descend so as to enable the third rotating shaft component to be far away from the fourth rotating shaft component, and the fourth rotating shaft component stops driving the third rotating shaft component to rotate; the limiting rod is connected to the first bearing plate and used for abutting against the workbench to limit the first bearing plate.

Further, the second belt conveying device further comprises a second bearing plate, a fifth rotating shaft assembly and a sixth rotating shaft assembly; the second bearing plate is arranged on the first portal frame, the fifth rotating shaft assembly is rotatably arranged at one end of the second bearing plate, which is close to the first portal frame, the sixth rotating shaft assembly is rotatably arranged at the other end of the second bearing plate, and the second belt is wound around the fifth rotating shaft assembly and the sixth rotating shaft assembly;

the second belt driving mechanism further comprises a second motor, the second motor is arranged on the first portal frame and used for driving the fifth rotating shaft assembly to rotate, and the rotating fifth rotating shaft assembly drives the third belt conveying device arranged on the first portal frame to rotate through the second gear transmission assembly.

Further, the third belt conveying device comprises a seventh rotating shaft assembly, an eighth rotating shaft assembly, a first connecting plate, a third belt and a connecting plate adjusting device; the connecting plate adjusting device is connected to the first portal frame or the second portal frame, the first connecting plate is connected to the connecting plate adjusting device, the seventh rotating shaft assembly is rotatably arranged on the first portal frame or the second portal frame, the first belt driving mechanism drives the seventh rotating shaft assembly to rotate through the first gear transmission assembly, or the second belt driving mechanism drives the seventh rotating shaft assembly to rotate through the second gear transmission assembly; the eighth rotating shaft assembly is rotatably arranged on the first connecting plate, the third belt is wound on the seventh rotating shaft assembly and the eighth rotating shaft assembly, the seventh rotating shaft assembly is used for driving the third belt to rotate, and the third belt is abutted against the leather shell supported by the first belt and used for driving the leather shell to move.

Further, the connecting plate adjusting device comprises a second connecting plate, a third connecting plate, an adjusting knob, a stud, a rotating part, a first stud bolt and a second stud bolt; the first connecting plate is provided with a first accommodating groove and a second accommodating groove, and the first accommodating groove and the second accommodating groove penetrate through the first connecting plate;

The second connecting plate is connected to the first portal frame or the second portal frame, the third connecting plate is connected to the second connecting plate, the second connecting plate and the third connecting plate are arranged in a crossing way, the first connecting plate is rotationally connected to the third connecting plate, and the first connecting plate and the third connecting plate are arranged in a crossing way; the stud is in threaded connection with the second connecting plate, one end of the stud is connected with the rotating part, the other end of the stud protrudes out of the second connecting plate, and the adjusting knob is in threaded connection with the stud and abuts against the second connecting plate;

the first accommodating groove is used for accommodating the third connecting plate, the first stud penetrates through the first connecting plate and the third connecting plate and is used for fixing the third connecting plate in the first accommodating groove, and the first connecting plate is rotatably arranged on the first stud;

the second accommodation groove is used for accommodating the rotating part, the second stud passes through the first connecting plate and the rotating part and is used for fixing the rotating part in the second accommodation groove, and the rotating part is rotationally arranged in the second stud.

Further, the automatic fillet forming machine further comprises a first moving device for driving the two groups of fillet mechanisms to be close to or far away from each other, and each group of fillet mechanisms further comprises a second moving device for driving the two fillet treatment devices to be close to or far away from each other;

The first moving device comprises a first screw rod, a first screw rod nut, a second screw rod nut, a first gear, a second gear and a first rotary handle; the first screw rod and the second screw rod are both rotationally arranged on the workbench, the first screw rod and the second screw rod are arranged in parallel, the first gear is connected with the first screw rod, the second gear is connected with the second screw rod, the first gear is meshed with the second gear, the first rotating handle is connected with the first screw rod and is used for driving the first screw rod to rotate, the first screw rod rotates through the first gear to drive the second gear and the second screw rod, the rotation direction of the first screw rod is opposite to that of the second screw rod, the first screw rod is used for driving the first screw rod nut to move along the first screw rod, and the second screw rod is used for driving the second screw rod nut to move along the second screw rod; the round angle mechanism further comprises a mounting plate which is arranged on the workbench in a sliding manner, the first screw nut is connected with the mounting plate of one group of round angle mechanisms, the second screw nut is connected with the mounting plate of the other group of round angle mechanisms, and the two groups of round angle mechanisms are symmetrically arranged about a plane perpendicular to the central axis of the first screw;

the second moving device comprises a third screw rod, a third screw rod nut, a fourth screw rod nut, a third gear, a fourth gear and a second rotary handle; the third screw rod and the fourth screw rod are both rotationally arranged on the mounting plate, the third screw rod and the fourth screw rod are arranged in parallel, the third gear is connected with the third screw rod, the fourth gear is connected with the fourth screw rod, the third gear is meshed with the fourth gear, the second rotary handle is connected with the third screw rod and is used for driving the third screw rod to rotate, the third screw rod which rotates drives the fourth gear and the fourth screw rod to rotate through the third gear, the rotating direction of the third screw rod is opposite to the rotating direction of the fourth screw rod, the third screw rod which rotates is used for driving the third screw rod nut to move along the third screw rod, and the fourth screw rod which rotates is used for driving the fourth screw rod nut to move along the fourth screw rod; the third screw-nut is connected to the first mounting seat of one round-corner processing device, the fourth screw-nut is connected to the first mounting seat of the other round-corner processing device, and the two round-corner processing devices are symmetrically arranged about a plane perpendicular to the central axis of the third screw-nut.

Further, the lower die comprises a first abutting surface, a second abutting surface, an arc concave surface, an angle turning platform and an arc scraping prevention surface; the first abutting surface and the second abutting surface are vertically arranged, the arc-shaped concave surface is connected with the first abutting surface and the second abutting surface, the corner turning platform is formed by sinking from the surface of the lower die, the corner turning platform is used for abutting against the right angle of the leather shell to enable the edge of the right angle part to turn upwards, and the arc scraping prevention is arranged at the joint between the corner turning platform and the arc-shaped concave surface;

the upper die is provided with an arc-shaped convex block corresponding to the arc-shaped concave surface, the arc-shaped convex block is outwards protruded from the surface of the upper die, and the arc-shaped convex block is provided with a plurality of grooves;

the pre-pressing plate is provided with a notch penetrating through the pre-pressing plate, the arc-shaped protruding block and the arc-shaped concave face are arranged in a sliding mode, and the arc-shaped protruding block abuts against the right-angle portion of the shell which is turned up through the notch.

Further, the elastic component comprises a second guide sleeve, a spring, a pre-pressing plate guide rod and a limiting block; the second guide sleeve is provided with a limit groove for accommodating the limit block; the second guide sleeve is arranged on the sliding seat, the pre-pressing plate guide rod is arranged on the second guide sleeve in a sliding mode, one end of the pre-pressing plate guide rod protrudes out of the second guide sleeve and is used for being connected with the pre-pressing plate, the spring is sleeved on the pre-pressing plate guide rod and is used for buffering pre-pressing force of the pre-pressing plate, and the limiting block is connected with the pre-pressing plate guide rod and is located in the limiting groove.

The invention has the beneficial effects that: in actual operation, the leather shell (preferably, the inside of the leather shell is a round-angle paperboard, and the outside is a right-angle facial tissue) coated with the facial tissues and the paperboards by an external leather shell feeder is conveyed to a conveying device, the conveying device conveys the leather shell to a round-angle processing station, and then the four round-angle processing devices move towards the center of the leather shell simultaneously and carry out round-angle processing on the right-angle facial tissues of the four corners of the leather shell simultaneously.

The specific working process of each fillet processing device is that after the leather shell reaches the fillet processing station, the first driving mechanism drives the second installation seat to slide, the second installation seat of slip drives the lower mould to move together, when the lower mould moves to the settlement position, first driving mechanism stops working, at this moment, the inner wall of lower mould is stuck to the both sides of the right angle facial tissue of a corner of leather shell, then the second driving mechanism drives the slide along the slide guide arm to slide, the gliding slide drives the pre-pressing board and descends together with last mould, simultaneously the heating piece heats the upper mould, the pre-pressing board of decline contacts the leather shell before last mould, the pre-pressing board of decline contacts the leather shell and pushes down the leather shell, the leather shell upwards turns over under the interference effect of the inner wall of lower mould at the in-process of pushing down, when the main part of leather shell is pressed to the second installation seat by the pre-pressing board, the pre-pressing board presses the leather shell. The second actuating mechanism continues to descend through slide drive pre-compaction board and last mould, and the second mount pad produces the reaction force to the pre-compaction board, and the reaction force of second mount pad compresses elastic component through the pre-compaction board, and the facial tissue compaction, the flattening of the right angle part that the while lower mould was down moved down along the inner wall of lower mould and was turned up to the leather shell, simultaneously, the upper mould transfer heat after the heating of heating spare makes the regional glue of contact melt, also glues the shaping along the fillet of fillet cardboard with the part facial tissue that turns up in the compaction, flattening the in-process. After the fillet processing is completed on four corners of the leather shell, the second driving mechanism drives the pre-pressing plate and the upper die to reset through the sliding seat, the first driving mechanism drives the second mounting seat to reset, the conveying device conveys the leather shell subjected to the fillet processing to the next station, and meanwhile, the conveying device conveys a leather shell to be subjected to the fillet processing station. The utility model provides an automatic fillet forming machine can carry out the fillet to the leather shell fully automatic and handle, degree of automation is high, greatly reduced intensity of labour and labor cost, improves production efficiency, can guarantee the quality of the leather shell after the fillet is handled moreover.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of another view of the present invention.

Fig. 3 is a schematic structural view of the first belt conveyor and the lifting mechanism of the present invention after connection.

Fig. 4 is a schematic structural view of the first belt conveyor and the lifting mechanism according to another view angle after connection.

Fig. 5 is a schematic structural view of a first belt driving mechanism according to the present invention.

Fig. 6 is a schematic structural view of a second belt driving mechanism of the present invention.

Fig. 7 is a schematic structural view of a third belt conveyor of the present invention.

Fig. 8 is an exploded view of a third belt conveyor of the present invention.

Fig. 9 is an exploded view of two sets of corner rounding mechanisms, a first moving device and a second moving device of the present invention.

Fig. 10 is an exploded view of the corner rounding apparatus of the present invention.

Fig. 11 is a schematic structural view of the lower mold of the present invention.

Fig. 12 is a schematic structural view of an upper mold of the present invention.

FIG. 13 is an exploded view of the elastic assembly of the present invention.

Fig. 14 is a schematic structural view of the stopper and the fourth driving mechanism of the present invention.

Reference numerals illustrate:

the workbench 1, the conveying apparatus 2, the first portal frame 21, the second portal frame 22, the first belt conveyor 23, the first belt 231, the first bearing plate 232, the first rotation shaft assembly 233, the second rotation shaft assembly 234, the third rotation shaft assembly 235, the connection block 236, the elevating mechanism 24, the third driving mechanism 241, the guide post 242, the first guide sleeve 243, the stopper 244, the second belt conveyor 25, the second belt 251, the second bearing plate 252, the third rotation handle 253, the fifth rotation shaft assembly 254, the sixth rotation shaft assembly 255, the guide plate 256, the guide plate adjusting device 257, the fifth screw 2571, the fifth screw nut 2572, the sixth screw nut 2573, the first belt driving mechanism 26, the first gear transmission assembly 261, the fourth rotation shaft assembly 262, the first motor 263, the second belt driving mechanism 27, the second gear transmission assembly 271, the second motor 272, the third belt conveyor 28, seventh rotating shaft assembly 281, eighth rotating shaft assembly 282, first connecting plate 283, first receiving groove 2831, second receiving groove 2832, third belt 284, connecting plate adjusting device 29, second connecting plate 291, third connecting plate 292, adjusting knob 293, stud 294, rotating portion 295, first stud 296, second stud 297, fillet mechanism 3, fillet handling device 4, first mount 41, stopper 4101, fourth driving mechanism 4102, second mount 42, first driving mechanism 43, lower mold 44, first abutting surface 441, second abutting surface 442, arc concave surface 443, fillet platform 444, arc preventing arc 445, upper mold 45, arc protruding block 451, groove 452, heating member 46, pre-pressing plate 47, elastic assembly 48, second guide sleeve 481, spring 482, pre-pressing plate guide 483, stopper 484, limit groove 485, slide 49, third mount 410, second driving mechanism 411, slide guide 412, first moving device 5, first screw 51, first screw nut 52, second screw 53, second screw nut 54, first gear 55, second gear 56, first rotating handle 57, second moving device 6, third screw 61, third screw nut 62, fourth screw 63, fourth screw nut 64, third gear 65, fourth gear 66, second rotating handle 67, mounting plate 7, receiving device 8, fourth belt conveyor 81, bracket 82, striker 83.

Detailed Description

The invention will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the invention.

As shown in fig. 1, 2, 10 and 14, the automatic fillet forming machine provided by the invention comprises a workbench 1, a conveying device 2 arranged on the workbench 1 and used for conveying the shells, and two groups of fillet mechanisms 3 used for carrying out fillet treatment on the shells conveyed by the conveying device 2; the two groups of round corner mechanisms 3 are arranged on the workbench 1 and positioned on two sides of the conveying device 2;

each group of fillet mechanism 3 comprises two fillet treatment devices 4, and each fillet treatment device 4 comprises a first mounting seat 41, a second mounting seat 42, a first driving mechanism 43, a lower die 44, an upper die 45, a heating piece 46, a pre-pressing plate 47, an elastic component 48, a sliding seat 49, a third mounting seat 410, a second driving mechanism 411 and a sliding seat guide rod 412; the first mounting seat 41 is arranged on the workbench 1, the second mounting seat 42 is arranged on the first mounting seat 41 in a sliding manner, and the first driving mechanism 43 is arranged on the first mounting seat 41 and is used for driving the second mounting seat 42 to slide; the slide guide 412 is installed between the second installation seat 42 and the third installation seat 410, the slide 49 is slidably disposed on the slide guide 412, the second driving mechanism 411 is installed on the third installation seat 410 and is used for driving the slide 49 to slide, the heating element 46 is installed on the slide 49, the upper die 45 is connected to the heating element 46, and the heating element 46 is used for heating the upper die 45; the elastic component 48 is arranged on the sliding seat 49, the pre-pressing plate 47 is connected to the elastic component 48, the elastic component 48 is used for buffering the pre-pressing force of the pre-pressing plate 47, and the pre-pressing plate 47 and the second mounting seat 42 are used for clamping the main body part of the leather shell; the lower die 44 is disposed on the second mounting seat 42 and is used for abutting against the right angle portion of the leather shell, the lower die 44 is used for abutting against the right angle portion of the leather shell so that the edge of the right angle portion is turned up, and the upper die 45, the lower die 44 and the second mounting seat 42 are mutually matched and press-fit with the edge of the right angle portion of the leather shell turned up so that the right angle of the leather shell becomes a round angle.

In actual operation, the leather shell (preferably, the inside of the leather shell is a round-angle paperboard, and the outside is a right-angle facial tissue) coated with facial tissues and paperboards is conveyed to the conveying device 2 through an external leather shell conveyor, the conveying device 2 conveys the leather shell to a round-angle processing station, and then the four round-angle processing devices 4 move towards the center of the leather shell simultaneously and carry out round-angle processing on the right-angle facial tissues of the four corners of the leather shell simultaneously.

The specific working process of each fillet processing device 4 is that after the leather shell reaches the fillet processing station, the first driving mechanism 43 drives the second installation seat 42 to slide, the sliding second installation seat 42 drives the lower die 44 to move together, when the lower die 44 moves to a set position, the first driving mechanism 43 stops working, at this time, two sides of the right-angle facial tissue of one corner of the leather shell are attached to the inner wall of the lower die 44, the second driving mechanism 411 drives the sliding seat 49 to slide along the sliding seat guide rod 412, the sliding seat 49 drives the pre-pressing plate 47 to descend together with the upper die 45, simultaneously the heating piece 46 heats the upper die 45, the descending pre-pressing plate 47 contacts the leather shell before the upper die 45, the descending pre-pressing plate 47 contacts the leather shell and presses the leather shell downwards, the facial tissue exceeding the right-angle part of the paper board is turned upwards under the interference effect of the inner wall of the lower die 44 in the process of fillet pressing, and when the main body part of the leather shell is pressed to the second installation seat 42 by the pre-pressing plate 47, the pre-pressing plate 47 compresses the leather shell. The second driving mechanism 411 continues to drive the pre-pressing plate 47 and the upper die 45 to descend through the sliding seat 49, the second mounting seat 42 generates a reaction force on the pre-pressing plate 47, the reaction force of the second mounting seat 42 compresses the elastic component 48 through the pre-pressing plate 47, meanwhile, the descending upper die 45 moves downwards along the inner wall of the lower die 44 and compacts and flattens the facial tissue of the right-angle part of the shell turning up, and meanwhile, the upper die 45 heated by the heating piece 46 transmits heat to melt glue of a contact area, and the turned up facial tissue is firmly stuck and shaped along the round corners of the round corner paperboard in the compacting and flattening process. After the four corners of the leather shell are rounded, the second driving mechanism 411 drives the pre-pressing plate 47 and the upper die 45 to reset through the sliding seat 49, the first driving mechanism 43 drives the second mounting seat 42 to reset, the conveying device 2 conveys the leather shell after being rounded to the next station, and meanwhile, the conveying device 2 conveys a leather shell to be rounded to the rounded station.

Preferably, the automatic fillet forming machine further comprises a material receiving mechanism 8, and the material receiving mechanism 8 is positioned at the output end of the conveying device 2; the material receiving mechanism 8 comprises a fourth belt conveying device 81, a bracket 82 and a material baffle 83; the fourth belt conveyor 81 is arranged on the workbench 1 and is used for supporting the rounded leather shells conveyed by the conveyor 2; the bracket 82 is installed on the fourth belt conveyor 81, and the striker plate 83 is installed on the bracket 82 and used for rounding the rounded leather shells conveyed by the conveyor 2. In operation, the conveying device 2 conveys the rounded leather shells towards the fourth belt conveying device 81, and as the fourth belt conveying device 81 and the conveying device 2 have a certain fall, the rounded leather shells fall off the fourth belt conveying device 81 after being separated from the conveying device 2, the rounded leather shells strike the baffle 83 in the falling process, then fall onto the fourth belt conveying device 81, and gradually the rounded leather shells are orderly stacked on the fourth belt conveying device 81. After the rounded shells are stacked to a certain number, the fourth belt conveyor 81 conveys the stacked shells to the next station.

Preferably, the first mounting seat 41 is further provided with a stop block 4101 and a fourth driving mechanism 4102, the fourth driving mechanism 4102 is mounted on the first mounting seat 41, the stop block 4101 is connected to an output end of the fourth driving mechanism 4102, the fourth driving mechanism 4102 is used for driving the stop block 4101 to lift, and the stop block 4101 is used for positioning the shell positioned at the fillet processing station. When the conveying device 2 conveys the skin to the fillet processing station on the workbench 1, the fourth driving mechanism 4102 drives the stop block 4101 to ascend, and the ascending stop block 4101 abuts against the skin and positions the skin, so that the skin can accurately reach the fillet processing station. When the rounded corners of the skin are rounded, the fourth driving mechanism 4102 drives the block 4101 to descend so that the block 4101 avoids the skin, and then the conveying device 2 conveys the rounded skin to the next station.

The utility model provides an automatic fillet forming machine can carry out the fillet to the leather shell fully automatic and handle, degree of automation is high, greatly reduced intensity of labour and labor cost, improves production efficiency, can guarantee the quality of the leather shell after the fillet is handled moreover.

As shown in fig. 2 to 7, in the present embodiment, the conveying device 2 includes a first gantry 21, a second gantry 22, a first belt conveying device 23, a lifting mechanism 24, a second belt conveying device 25, a first belt driving mechanism 26, a second belt driving mechanism 27, and two third belt conveying devices 28;

The second belt driving mechanism 27 is installed on the first portal frame 21 and is used for driving the second belt 251 of the second belt conveying device 25 to rotate, and the rotating second belt 251 is used for conveying the leather shell to the first belt conveying device 23;

the first belt driving mechanism 26 is installed on the second portal frame 22 and is used for driving the first belt 231 of the first belt conveying device 23 to rotate, and the rotating first belt 231 is used for conveying the leather shell conveyed by the second belt 251 to the first belt 231;

the lifting mechanism 24 is arranged on the workbench 1 and is used for driving the first belt conveying device 23 to lift, the descending first belt conveying device 23 is far away from the first belt driving mechanism 26 so as to stop the first belt 231 from rotating, the descending first belt conveying device 23 is used for conveying the leather shell supported by the first belt 231 to a round corner processing station of the workbench 1, and the moving direction of the leather shell is crossed with the lifting direction of the leather shell;

the first portal frame 21 and the second portal frame 22 are respectively provided with a third belt conveying device 28, the second belt driving mechanism 27 drives the third belt conveying device 28 arranged on the first portal frame 21 to rotate through a second gear transmission assembly 271, and the first belt driving mechanism 26 drives the third belt conveying device 28 arranged on the second portal frame 22 to rotate through a first gear transmission assembly 261; the rotating third belt conveyor 28 abuts against the skin supported by the first belt 231 and is used to drive the movement of the skin.

In actual operation, the external leather shell feeder conveys the leather shells coated with the surface paper and the rounded paper board to the second belt 251, the second belt driving mechanism 27 drives the second belt 251 to rotate, and meanwhile, the second belt driving mechanism 27 drives the third belt conveying device 28 arranged on the first portal frame 21 to rotate together through the second gear transmission component 271, and the rotating second belt 251 conveys the leather shells to the first belt 231. The first belt driving mechanism 26 drives the first belt 231 to rotate, meanwhile, the first belt driving mechanism 26 drives the third belt conveying device 28 arranged on the second portal frame 22 to rotate together through the first gear transmission assembly 261, the rotating first belt 231 conveys the leather shells supported by the first belt 231 to the round corner processing station, meanwhile, the third belt conveying device 28 arranged on the first portal frame 21 abuts against the leather shells supported by the first belt 231 and is used for driving the leather shells to move, after the third belt conveying device 28 abuts against the leather shells, the third belt conveying device 28 has a jacking effect on the leather shells, and the leather shells are prevented from slipping or shifting in the conveying process, so that the leather shells can accurately reach the upper portion of the round corner processing station. After the leather shell reaches the upper part of the round corner processing station, the lifting mechanism 24 drives the first belt conveying device 23 to descend so that the leather shell reaches the round corner processing station. The first belt conveyor 23 is away from the first belt drive mechanism 26 during the descent of the first belt conveyor 23, and the first belt drive mechanism 26 cannot transmit the drive force to the first belt conveyor 23, so the first belt 231 stops rotating. When the four corners of the leather shell are rounded, the lifting mechanism 24 drives the first belt conveying device 23 to ascend and reset, the first belt conveying device 23 is abutted against the first belt driving mechanism 26, the first belt driving mechanism 26 transmits driving force to the first belt conveying device 23, the first belt 231 rotates and conveys the leather shell rounded to the next station, meanwhile, the third belt conveying device 28 arranged on the second portal frame 22 is abutted against the leather shell rounded supported by the first belt 231 and is used for driving the leather shell to move, and after the third belt conveying device 28 is abutted against the leather shell, the third belt conveying device 28 has a jacking effect on the leather shell, so that the leather shell is prevented from slipping or shifting in the conveying process.

As shown in fig. 3 to 5, in the present embodiment, the first belt conveying device 23 further includes a first supporting plate 232, a first rotating shaft assembly 233, a second rotating shaft assembly 234, a third rotating shaft assembly 235, and two connecting blocks 236; the first rotating shaft assembly 233 is rotatably arranged at one end of the first supporting plate 232 close to the second portal frame 22, the second rotating shaft assembly 234 is rotatably arranged at one end of the first supporting plate 232 close to the first portal frame 21, the first belt 231 is wound around the first rotating shaft assembly 233 and the second rotating shaft assembly 234, and the first belt 231 is used for supporting the leather shell;

two connecting blocks 236 are connected to one end of the first supporting plate 232, which is close to the second portal frame 22, the two connecting blocks 236 are respectively connected to two sides of the first supporting plate 232, two ends of the third rotating shaft assembly 235 are respectively rotatably arranged on the two connecting blocks 236, the third rotating shaft assembly 235 presses the first belt 231 on the surface of the first rotating shaft assembly 233, and the third rotating shaft assembly 235 is used for driving the first rotating shaft assembly 233 to rotate;

the first belt drive mechanism 26 further includes a fourth spindle assembly 262 and a first motor 263; the fourth rotating shaft assembly 262 is rotatably arranged on the second portal frame 22, the first motor 263 is arranged on the second portal frame 22 and is used for driving the fourth rotating shaft assembly 262 to rotate, and the surface of the fourth rotating shaft assembly 262 which rotates is abutted against the surface of the third rotating shaft assembly 235 and is used for driving the third rotating shaft assembly 235 to rotate; the rotating fourth spindle assembly 262 rotates the third belt conveyor 28 mounted to the second gantry 22 via the first gear assembly 261.

The lifting mechanism 24 comprises a third driving mechanism 241, a guide post 242, a first guide sleeve 243 and a limiting rod 244; the first guide sleeve 243 is arranged on the workbench 1, the guide post 242 is slidably arranged on the first guide sleeve 243, the guide post 242 is connected to the first supporting plate 232, the third driving mechanism 241 is arranged on the workbench 1 and is used for driving the guide post 242 to slide so as to enable the first supporting plate 232 to move up and down, the descending first supporting plate 232 drives the third rotating shaft assembly 235 to descend so as to enable the third rotating shaft assembly 235 to be far away from the fourth rotating shaft assembly 262, and the fourth rotating shaft assembly 262 stops driving the third rotating shaft assembly 235 to rotate; the limiting rod 244 is connected to the first supporting plate 232, and the limiting rod 244 is used for abutting against the workbench 1 to limit the first supporting plate 232.

In actual operation, the rotating second belt 251 conveys the leather sheath to the first belt 231, the first motor 263 drives the fourth rotating shaft assembly 262 to rotate, the rotating fourth rotating shaft assembly 262 drives the third rotating shaft assembly 235 to rotate, and meanwhile, the rotating fourth rotating shaft assembly 262 drives the third belt conveying device 28 arranged on the second portal frame 22 to rotate through the first gear transmission assembly 261. The third rotating shaft assembly 235 drives the first rotating shaft assembly 233 to rotate, the first rotating shaft assembly 233 drives the first belt 231 to rotate, the first belt 231 rotates to convey the leather shell supported by the first belt 231 to the round corner processing station, after the leather shell reaches the upper part of the round corner processing station, the third driving mechanism 241 drives the guide post 242 to slide downwards along the first guide sleeve 243 so as to enable the first supporting plate 232 to descend, the descending first supporting plate 232 drives the third rotating shaft assembly 235 to descend so that the third rotating shaft assembly 235 is far away from the fourth rotating shaft assembly 262, the fourth rotating shaft assembly 262 cannot transmit driving force to the third rotating shaft assembly 235, and the third rotating shaft assembly 235 stops rotating. When the leather shell supported by the first belt 231 reaches the fillet processing station, the limiting rod 244 abuts against the workbench 1, so that the first supporting plate 232 cannot continuously descend, and the leather shell can accurately reach the fillet processing station. After the four corners of the leather shell are rounded, the third driving mechanism 241 drives the guide post 242 to slide upwards along the first guide sleeve 243 to enable the first supporting plate 232 to ascend, the ascending first supporting plate 232 drives the third rotating shaft assembly 235 to ascend so that the third rotating shaft assembly 235 abuts against the fourth rotating shaft assembly 262, the fourth rotating shaft assembly 262 transmits driving force to the third rotating shaft assembly 235 to enable the third rotating shaft assembly 235 to rotate, the rotating third rotating shaft assembly 235 drives the first rotating shaft assembly 233 to rotate, the rotating first rotating shaft assembly 233 drives the first belt 231 to rotate, and the rotating first belt 231 conveys the leather shell rounded to the next station. Meanwhile, the third belt conveyor 28 installed on the second portal frame 22 is abutted against the rounded leather shells supported by the first belt 231 and used for driving the leather shells to move.

As shown in fig. 2, in the present embodiment, the second belt conveying device 25 further includes a second bearing plate 252, a fifth rotating shaft assembly 254, and a sixth rotating shaft assembly 255; the second bearing plate 252 is mounted on the first portal frame 21, the fifth rotating shaft assembly 254 is rotatably arranged at one end of the second bearing plate 252 close to the first portal frame 21, the sixth rotating shaft assembly 255 is rotatably arranged at the other end of the second bearing plate 252, and the second belt 251 is wound around the fifth rotating shaft assembly 254 and the sixth rotating shaft assembly 255;

the second belt driving mechanism 27 further includes a second motor 272, where the second motor 272 is installed on the first gantry 21 and is used to drive the fifth rotating shaft assembly 254 to rotate, and the rotating fifth rotating shaft assembly 254 drives the third belt conveying device 28 installed on the first gantry 21 to rotate via the second gear transmission assembly 271.

In actual operation, the external shell feeder conveys the shell coated with the surface paper and the rounded paperboard to the second belt 251, the second motor 272 drives the fifth rotating shaft assembly 254 to rotate, the rotating fifth rotating shaft assembly 254 drives the second belt 251 to rotate, and simultaneously, the rotating fifth rotating shaft assembly 254 drives the third belt conveying device 28 arranged on the first portal frame 21 to rotate through the second gear transmission assembly 271. The rotating second belt 251 conveys the skin to the first belt 231. The second belt conveyor 25 has a simple structure and can automatically convey the leather sheath to the first belt 231.

Preferably, the second supporting plate 252 is provided with two guide plates 256 and a guide plate adjusting device 257, the two guide plates 256 are arranged on the second supporting plate 252 at intervals, the two guide plates 256 are used for guiding the leather shells conveyed by the second belt 251, and the guide plate adjusting device 257 is used for driving the two guide plates 256 to move simultaneously; the guide plate adjusting device 257 includes a fifth screw 2571, a fifth screw nut 2572, a sixth screw nut 2573, and a third rotary handle 253; the fifth screw 2571 is rotatably disposed on the second bearing plate 252, the third rotating handle 253 is connected to the fifth screw 2571 and is used for driving the fifth screw 2571 to rotate, the fifth screw 2572 and the sixth screw 2573 are both in threaded connection with the fifth screw 2571, the rotating fifth screw 2571 simultaneously drives the fifth screw 2572 and the sixth screw 2573 to move along the fifth screw 2571, the fifth screw 2572 is connected with one guide plate 256, and the sixth screw 2573 is connected with the other guide plate 256.

During the process of conveying the shells by the second belt 251, two guide plates 256 are used for guiding the shells conveyed by the second belt 251, so that the shells conveyed by the second belt 251 can move in the correct direction. The guide plate adjusting device 257 can simultaneously adjust the positions of the two guide plates 256, specifically, the third rotating handle 253 is rotated by a human hand, the rotating third rotating handle 253 drives the fifth screw rod 2571 to rotate, the rotating fifth screw rod 2571 drives the fifth screw rod nut 2572 and the sixth screw rod nut 2573 to move along the fifth screw rod 2571, and the moving fifth screw rod nut 2572 and sixth screw rod nut 2573 respectively drive one guide plate 256 to move, so that the positions of the two guide plates 256 can be adjusted simultaneously.

As shown in fig. 7 to 8, in the present embodiment, the third belt conveying device 28 includes a seventh rotating shaft assembly 281, an eighth rotating shaft assembly 282, a first connecting plate 283, a third belt 284 and a connecting plate adjusting device 29; the connection plate adjusting device 29 is connected to the first portal frame 21 or the second portal frame 22, the first connection plate 283 is connected to the connection plate adjusting device 29, the seventh rotating shaft assembly 281 is rotatably arranged on the first portal frame 21 or the second portal frame 22, and the first belt driving mechanism 26 drives the seventh rotating shaft assembly 281 to rotate through the first gear transmission assembly 261, or the second belt driving mechanism 27 drives the seventh rotating shaft assembly 281 to rotate through the second gear transmission assembly 271; the eighth rotating shaft assembly 282 is rotatably disposed on the first connecting plate 283, the third belt 284 is wound around the seventh rotating shaft assembly 281 and the eighth rotating shaft assembly 282, the seventh rotating shaft assembly 281 is used for driving the third belt 284 to rotate, and the third belt 284 rotates to abut against the leather shell supported by the first belt 231 and is used for driving the leather shell to move.

The connecting plate adjusting device 29 comprises a second connecting plate 291, a third connecting plate 292, an adjusting knob 293, a stud 294, a rotating portion 295, a first stud 296 and a second double-headed stud 297; the first connecting plate 283 is provided with a first accommodating groove 2831 and a second accommodating groove 2832, and the first accommodating groove 2831 and the second accommodating groove 2832 penetrate through the first connecting plate 283;

The second connection plate 291 is connected to the first portal frame 21 or the second portal frame 22, the third connection plate 292 is connected to the second connection plate 291, the second connection plate 291 is arranged to cross the third connection plate 292, the first connection plate 283 is rotatably connected to the third connection plate 292, and the first connection plate 283 is arranged to cross the third connection plate 292; the stud 294 is in threaded connection with the second connecting plate 291, one end of the stud 294 is connected with the rotating portion 295, the other end of the stud 294 protrudes out of the second connecting plate 291, and the adjusting knob 293 is in threaded connection with the stud 294 and abuts against the second connecting plate 291;

the first accommodating groove 2831 is used for accommodating the third connecting plate 292, the first stud 296 passes through the first connecting plate 283 and the third connecting plate 292 and is used for fixing the third connecting plate 292 in the first accommodating groove 2831, and the first connecting plate 283 is rotatably arranged on the first stud 296;

the second accommodating groove 2832 is used for accommodating the rotating portion 295, the second stud 297 passes through the first connecting plate 283 and the rotating portion 295 and is used for fixing the rotating portion 295 in the second accommodating groove 2832, and the rotating portion 295 is rotatably disposed on the second double-headed screw 297.

In actual operation, the first belt driving mechanism 26 drives the seventh rotating shaft assembly 281 to rotate via the first gear transmission assembly 261, or the second belt driving mechanism 27 drives the seventh rotating shaft assembly 281 to rotate via the second gear transmission assembly 271; the seventh rotating shaft assembly 281 drives the third belt 284 to rotate, and the third belt 284 contacts the leather shell supported by the first belt 231 and is used for driving the leather shell to move. The third belt 284 has a top pressure effect on the skin to ensure that the skin does not slip or shift during transport. For the shells with different sizes, the angle between the third belt 284 and the first belt 231 can be adjusted through the connecting plate adjusting device 29, so that the production requirement is met. Specifically, by rotating the adjustment knob 293, the stud 294 moves along the internal thread of the adjustment knob 293 to raise or lower the stud 294, the rotating portion 295 rises or falls along with the rotating portion 295, the rising or falling rotating portion 295 pulls the first connection plate 283 to rotate along the first stud 296 and the second double-headed screw 297, and the angle between the first connection plate 283 and the first belt 231 changes after the first connection plate 283 rotates, thereby realizing adjustment of the angle between the third belt 284 and the first belt 231.

As shown in fig. 9, in this embodiment, the automatic corner rounding machine further includes a first moving device 5 for driving the two sets of corner rounding mechanisms 3 toward each other or away from each other, and each set of corner rounding mechanisms 3 further includes a second moving device 6 for driving the two corner rounding devices 4 toward each other or away from each other;

the first moving device 5 includes a first screw rod 51, a first screw rod nut 52, a second screw rod 53, a second screw rod nut 54, a first gear 55, a second gear 56, and a first rotating handle 57; the first screw rod 51 and the second screw rod 53 are both rotatably arranged on the workbench 1, the first screw rod 51 and the second screw rod 53 are arranged in parallel, the first gear 55 is connected with the first screw rod 51, the second gear 56 is connected with the second screw rod 53, the first gear 55 and the second gear 56 are in meshed connection, the first rotary handle 57 is connected with the first screw rod 51 and is used for driving the first screw rod 51 to rotate, the first rotating screw rod 51 drives the second gear 56 and the second screw rod 53 to rotate through the first gear 55, the rotating direction of the first screw rod 51 is opposite to the rotating direction of the second screw rod 53, the rotating first screw rod 51 is used for driving the first screw rod nut 52 to move along the first screw rod 51, and the rotating second screw rod 53 is used for driving the second screw rod nut 54 to move along the second screw rod 53; the fillet mechanism 3 further comprises a mounting plate 7 arranged on the workbench 1 in a sliding manner, the first screw nut 52 is connected with the mounting plate 7 of one group of fillet mechanisms 3, and the second screw nut 54 is connected with the mounting plate 7 of the other group of fillet mechanisms 3; the two groups of fillet mechanisms 3 are symmetrically arranged about a plane perpendicular to the central axis of the first screw 51;

The second moving device 6 includes a third screw 61, a third screw nut 62, a fourth screw 63, a fourth screw nut 64, a third gear 65, a fourth gear 66, and a second rotary handle 67; the third screw rod 61 and the fourth screw rod 63 are both rotatably arranged on the mounting plate 7, the third screw rod 61 and the fourth screw rod 63 are arranged in parallel, the third gear 65 is connected with the third screw rod 61, the fourth gear 66 is connected with the fourth screw rod 63, the third gear 65 and the fourth gear 66 are in meshed connection, the second rotary handle 67 is connected with the third screw rod 61 and is used for driving the third screw rod 61 to rotate, the third rotating screw rod 61 drives the fourth gear 66 and the fourth screw rod 63 to rotate through the third gear 65, the rotating direction of the third screw rod 61 is opposite to the rotating direction of the fourth screw rod 63, the rotating third screw rod 61 is used for driving the third screw rod nut 62 to move along the third screw rod 61, and the rotating fourth screw rod 63 is used for driving the fourth screw rod nut 64 to move along the fourth screw rod 63; the third screw nut 62 is connected to the first mount 41 of one of the corner rounding devices 4, the fourth screw nut 64 is connected to the first mount 41 of the other corner rounding device 4, and the two corner rounding devices 4 are symmetrically disposed about a plane perpendicular to the central axis of the third screw 61.

When the positions of the two groups of fillet mechanisms 3 need to be adjusted, a human hand rotates the first rotating handle 57, the first rotating handle 57 rotates to drive the first screw rod 51 to rotate together with the first gear 55, the first gear 55 rotates to drive the second gear 56 to rotate together with the second screw rod 53, the first screw rod 51 is used for driving the first screw rod nut 52 to move along the first screw rod 51, and the second screw rod 53 is used for driving the second screw rod nut 54 to move along the second screw rod 53. Since the rotation direction of the first screw 51 is opposite to that of the second screw 53, the first screw nut 52 and the second screw nut 54 may move toward each other or away from each other. When the first screw nut 52 and the second screw nut 54 move close to each other, the two groups of round corner mechanisms 3 are driven to move close to each other; when the first screw nut 52 and the second screw nut 54 move away from each other, the two sets of fillet mechanisms 3 are driven away from each other.

When the positions of the two fillet handling apparatuses 4 need to be adjusted, the second rotating handle 67 is rotated by a human hand, the third screw 61 and the third gear 65 are driven to rotate together by the rotated second rotating handle 67, the fourth gear 66 and the fourth screw 63 are driven to rotate together by the rotated third gear 65, the third screw 61 is used for driving the third screw nut 62 to move along the third screw 61, the fourth screw 63 is used for driving the fourth screw nut 64 to move along the fourth screw 63, and the third screw nut 62 and the fourth screw nut 64 move close to each other or move away from each other due to the fact that the rotation direction of the third screw 61 is opposite to the rotation direction of the fourth screw 63. When the third screw nut 62 and the fourth screw nut 64 move close to each other, the two round corner processing devices 4 are driven to move close to each other; when the third screw nut 62 and the fourth screw nut 64 move away from each other, the two round corner processing apparatuses 4 are driven away from each other. The automatic fillet forming machine is provided with a first moving device 5 and a second moving device 6, and the positions of the four fillet processing devices 4 can be adjusted, so that the automatic fillet forming machine can carry out fillet processing on shells with different sizes.

As shown in fig. 10 to 12, in the present embodiment, the lower mold 44 includes a first abutting surface 441, a second abutting surface 442, an arc concave surface 443, a corner platform 444, and an arc scratch preventing surface 445; the first abutting surface 441 and the second abutting surface 442 are vertically arranged, the arc-shaped concave surface 443 is connected with the first abutting surface 441 and the second abutting surface 442, the turning platform 444 is formed by sinking from the surface of the lower die 44, the turning platform 444 is used for abutting against the right angle of the leather shell to enable the edge of the right angle part to turn upwards, and the scraping-preventing arc 445 is arranged at the connecting position between the turning platform 444 and the arc-shaped concave surface 443;

the upper die 45 is provided with an arc-shaped protruding block 451 corresponding to the arc-shaped concave surface 443, the arc-shaped protruding block 451 protrudes outwards from the surface of the upper die 45, and the arc-shaped protruding block 451 is provided with a plurality of grooves 452;

the pre-pressing plate 47 is provided with a notch penetrating through the pre-pressing plate 47, the arc-shaped protruding block 451 is arranged in a sliding mode with the arc-shaped concave surface 443, and the arc-shaped protruding block 451 abuts against the right-angle portion of the leather shell which is turned up through the notch.

The elastic component 48 comprises a second guide sleeve 481, a spring 482, a pre-pressing plate guide rod 483 and a limiting block 484; the second guide sleeve 481 is provided with a limit groove 485 for accommodating the limit block 484; the second guide sleeve 481 is arranged on the slide seat 49, the pre-pressing plate guide rod 483 is arranged on the second guide sleeve 481 in a sliding mode, one end of the pre-pressing plate guide rod 483 protrudes out of the second guide sleeve 481 and is used for being connected with the pre-pressing plate 47, the spring 482 is sleeved on the pre-pressing plate guide rod 483 and is used for buffering pre-pressing force of the pre-pressing plate 47, and the limiting block 484 is connected with the pre-pressing plate guide rod 483 and is located in the limiting groove 485.

The notch of the pre-pressing plate 47 is used for avoiding the upper die 45, and penetrates through the pre-pressing plate 47 along the thickness direction of the pre-pressing plate 47. After the conveying device 2 conveys the leather shell to the fillet processing station, the first driving mechanism 43 drives the second installation seat 42 to slide, the sliding second installation seat 42 drives the lower die 44 to move together, when the lower die 44 moves to a set position, the first driving mechanism 43 stops working, at this time, two sides of the right-angle facial tissue at one corner of the leather shell respectively cling to the first abutting surface 441 and the second abutting surface 442, then the second driving mechanism 411 drives the sliding seat 49 to slide along the sliding seat guide rod 412, the sliding seat 49 drives the pre-pressing plate 47 and the upper die 45 to descend together, meanwhile, the heating piece 46 heats the upper die 45, the descending pre-pressing plate 47 contacts the leather shell before the upper die 45 contacts the leather shell, the descending pre-pressing plate 47 contacts the leather shell and presses the leather shell downwards, facial tissue exceeding the right-angle part of the fillet paper in the process of pressing downwards is overturned under the actions of the first abutting surface 441, the second abutting surface 442 and the turning platform 444, and when the leather shell is pressed to the second installation seat 42 by the plate 47, the pre-pressing plate 47 compresses the leather shell. The second driving mechanism 411 continues to drive the pre-pressing plate 47 and the upper die 45 to descend through the sliding seat 49, the second mounting seat 42 generates a reaction force on the pre-pressing plate 47, the reaction force of the second mounting seat 42 reversely moves against the pre-pressing plate guide rod 483 through the pre-pressing plate 47, the moving pre-pressing plate guide rod 483 pushes the spring 482, the spring 482 compresses and stores elastic potential energy, meanwhile, the moving pre-pressing plate guide rod 483 drives the limiting block 484 to move, when the sliding seat 49 moves to the lower limit, the second driving mechanism 411 stops working, and the limiting block abuts against the upper groove wall 484 of the limiting groove 485.

When the pre-pressing plate 47 presses the leather shell, a space is formed at the notch of the pre-pressing plate 47 for the mold 45 to compact and flatten the turned-up part of the facial tissue. At the same time, the upper mold 45 heated by the heating element 46 transfers heat to melt the glue in the contacted area, and the turned-up part of facial tissue is firmly stuck and shaped along the round corners of the round corner paperboard in the compacting and flattening processes.

When the descending pre-pressing plate 47 presses down the leather shell, the right angle at the joint of the turning platform 444 and the arc-shaped concave 443 scratches the facial tissue of the leather shell, so that the leather shell is scrapped, and the reject ratio is increased. An arc preventing 445 is provided between the corner turning platform 444 and the arc concave 443 to prevent the facial tissues of the leather sheath from being scratched.

The arc-shaped protruding blocks 451 and the grooves 452 on the arc-shaped protruding blocks 451 are arranged on the upper die 45, so that the effect of compacting, flattening and turning up the facial tissues of the upper die 45 is improved.

All technical features in the embodiment can be freely combined according to actual needs.

The foregoing embodiments are preferred embodiments of the present invention, and in addition, the present invention may be implemented in other ways, and any obvious substitution is within the scope of the present invention without departing from the concept of the present invention.

Claims

1. An automatic fillet make-up machine, its characterized in that: the device comprises a workbench, a conveying device arranged on the workbench and used for conveying the leather shells, and two groups of fillet mechanisms used for carrying out fillet treatment on the leather shells conveyed by the conveying device; the two groups of round corner mechanisms are arranged on the workbench and positioned on two sides of the conveying device;

each group of round corner mechanism comprises two round corner processing devices, wherein each round corner processing device comprises a first mounting seat, a second mounting seat, a first driving mechanism, a lower die, an upper die, a heating piece, a pre-pressing plate, an elastic component, a sliding seat, a third mounting seat, a second driving mechanism and a sliding seat guide rod; the first mounting seat is arranged on the workbench, the second mounting seat is arranged on the first mounting seat in a sliding manner, and the first driving mechanism is arranged on the first mounting seat and used for driving the second mounting seat to slide; the second driving mechanism is arranged on the third mounting seat and used for driving the sliding seat to slide, the heating piece is arranged on the sliding seat, the upper die is connected with the heating piece, and the heating piece is used for heating the upper die; the elastic component is arranged on the sliding seat, the pre-pressing plate is connected to the elastic component, the elastic component is used for buffering the pre-pressing force of the pre-pressing plate, and the pre-pressing plate and the second mounting seat are used for clamping the main body part of the leather shell; the lower die is arranged on the second mounting seat and is used for abutting against the right angle part of the leather shell, the lower die is used for abutting against the right angle part of the leather shell so that the edge of the right angle part is turned upwards, and the upper die, the lower die and the second mounting seat are mutually matched and press the edge of the right angle part of the leather shell turned upwards so that the right angle of the leather shell becomes a round angle; the conveying device comprises a first portal frame, a second portal frame, a first belt conveying device, a lifting mechanism, a second belt conveying device, a first belt driving mechanism, a second belt driving mechanism and two third belt conveying devices;

the first portal frame and the second portal frame are both provided with a third belt conveying device, the second belt driving mechanism drives the third belt conveying device arranged on the first portal frame to rotate through the second gear transmission assembly, and the first belt driving mechanism drives the third belt conveying device arranged on the second portal frame to rotate through the first gear transmission assembly; the third belt conveyor which rotates is abutted against the leather shell supported by the first belt and used for driving the leather shell to move; the automatic fillet forming machine further comprises a material receiving mechanism, and the material receiving mechanism is positioned at the output end of the conveying device.

2. An automatic corner rounding machine as claimed in claim 1, wherein: the first belt conveying device further comprises a first bearing plate, a first rotating shaft assembly, a second rotating shaft assembly, a third rotating shaft assembly and two connecting blocks; the first rotating shaft assembly is rotatably arranged at one end of the first bearing plate, which is close to the second portal frame, the second rotating shaft assembly is rotatably arranged at one end of the first bearing plate, which is close to the first portal frame, the first belt is wound around the first rotating shaft assembly and the second rotating shaft assembly, and the first belt is used for bearing the leather shell;

3. An automatic corner rounding machine as claimed in claim 2, wherein: the lifting mechanism comprises a third driving mechanism, a guide post, a first guide sleeve and a limiting rod; the first guide sleeve is arranged on the workbench, the guide pillar is arranged on the first guide sleeve in a sliding manner, the guide pillar is connected to the first bearing plate, the third driving mechanism is arranged on the workbench and is used for driving the guide pillar to slide so as to enable the first bearing plate to move up and down, the descending first bearing plate drives the third rotating shaft component to descend so as to enable the third rotating shaft component to be far away from the fourth rotating shaft component, and the fourth rotating shaft component stops driving the third rotating shaft component to rotate; the limiting rod is connected to the first bearing plate and used for abutting against the workbench to limit the first bearing plate.

4. An automatic corner rounding machine as claimed in claim 1, wherein: the second belt conveying device further comprises a second bearing plate, a fifth rotating shaft assembly and a sixth rotating shaft assembly; the second bearing plate is arranged on the first portal frame, the fifth rotating shaft assembly is rotatably arranged at one end of the second bearing plate, which is close to the first portal frame, the sixth rotating shaft assembly is rotatably arranged at the other end of the second bearing plate, and the second belt is wound around the fifth rotating shaft assembly and the sixth rotating shaft assembly;

5. An automatic corner rounding machine as claimed in claim 1, wherein: the third belt conveying device comprises a seventh rotating shaft assembly, an eighth rotating shaft assembly, a first connecting plate, a third belt and a connecting plate adjusting device; the connecting plate adjusting device is connected to the first portal frame or the second portal frame, the first connecting plate is connected to the connecting plate adjusting device, the seventh rotating shaft assembly is rotatably arranged on the first portal frame or the second portal frame, the first belt driving mechanism drives the seventh rotating shaft assembly to rotate through the first gear transmission assembly, or the second belt driving mechanism drives the seventh rotating shaft assembly to rotate through the second gear transmission assembly; the eighth rotating shaft assembly is rotatably arranged on the first connecting plate, the third belt is wound on the seventh rotating shaft assembly and the eighth rotating shaft assembly, the seventh rotating shaft assembly is used for driving the third belt to rotate, and the third belt is abutted against the leather shell supported by the first belt and used for driving the leather shell to move.

6. An automatic corner rounding machine as claimed in claim 5, wherein: the connecting plate adjusting device comprises a second connecting plate, a third connecting plate, an adjusting knob, a stud, a rotating part, a first stud bolt and a second stud bolt; the first connecting plate is provided with a first accommodating groove and a second accommodating groove, and the first accommodating groove and the second accommodating groove penetrate through the first connecting plate;

7. An automatic corner rounding machine as claimed in claim 1, wherein: the automatic fillet forming machine further comprises a first moving device for driving the two groups of fillet mechanisms to be close to or far away from each other, and each group of fillet mechanisms further comprises a second moving device for driving the two fillet treatment devices to be close to or far away from each other;

8. An automatic corner rounding machine as claimed in claim 1, wherein: the lower die comprises a first abutting surface, a second abutting surface, an arc concave surface, an angle turning platform and an arc scraping prevention surface; the first abutting surface and the second abutting surface are vertically arranged, the arc-shaped concave surface is connected with the first abutting surface and the second abutting surface, the corner turning platform is formed by sinking from the surface of the lower die, the corner turning platform is used for abutting against the right angle of the leather shell to enable the edge of the right angle part to turn upwards, and the arc scraping prevention is arranged at the joint between the corner turning platform and the arc-shaped concave surface;

9. An automatic corner rounding machine as claimed in claim 1, wherein: the elastic component comprises a second guide sleeve, a spring, a pre-pressing plate guide rod and a limiting block; the second guide sleeve is provided with a limit groove for accommodating the limit block; the second guide sleeve is arranged on the sliding seat, the pre-pressing plate guide rod is arranged on the second guide sleeve in a sliding mode, one end of the pre-pressing plate guide rod protrudes out of the second guide sleeve and is used for being connected with the pre-pressing plate, the spring is sleeved on the pre-pressing plate guide rod and is used for buffering pre-pressing force of the pre-pressing plate, and the limiting block is connected with the pre-pressing plate guide rod and is located in the limiting groove.