Shoe box upper cover forming device

Abstract

The invention discloses a shoe box upper cover forming device, comprising a material pressing mechanism, a material folding mechanism, a pre-folding mechanism and a front edge folding mechanism, the material folding mechanism comprises a second connecting plate, a second mounting plate which can be lifted and lowered is provided above the second connecting plate; two fourth connecting plates which can adjust the spacing are provided on the second mounting plate; a side plate for folding the side wall of the shoe box upper cover is installed on the fourth connecting plate; the front edge folding mechanism comprises a fifth connecting plate fixed on the second mounting plate, the fifth connecting plate is provided with a rotatable supporting seat, the supporting seat is connected to a third mounting plate, and fourth pressing plates are respectively fixed on both sides of the third mounting plate; the fifth connecting plate is installed with a folding and pressing cylinder for driving the third mounting plate to rotate with the supporting seat.

Description

Technical Field

[0001] The invention relates to the field of shoe box manufacturing and packaging, in particular to a shoe box upper cover forming device used for folding shoe box paperboard into a box. Background Art

[0002] Patent No. CN201220231392.9 is an automatic paper box forming machine, comprising a workbench and a pressing plate arranged above the workbench, the pressing plate is connected to the workbench through a bracket, the pressing plate is installed on a plurality of guide pillars and can slide up and down, a main cylinder is arranged above the pressing plate, and the main cylinder push rod is connected to the pressing plate, characterized in that: an upper positioning plate is also arranged below the pressing plate, a second cylinder is also arranged between the upper positioning plate and the pressing plate, a lower positioning plate is arranged at a position of the workbench corresponding to the upper positioning plate, and the lower positioning plate is arranged in front, behind, left and right directions. The sides are provided with a rotating pressure plate, and the outer sides of the four corners of the lower positioning plate are provided with a rotating push rod, which is in an inverted L shape. The third and fourth cylinders are also fixed on the front and rear sides of the bottom of the pressure plate. The piston rods of the third and fourth cylinders are located on the inner sides of the third and fourth cylinders. The piston rods of the third and fourth cylinders are connected to the movable plate. Correspondingly, the fifth and sixth cylinders are fixed on the front and rear sides of the upper positioning plate. The piston rods of the fifth and sixth cylinders are located on the outer sides of the fifth and sixth cylinders, and the piston rods are connected to the side plates. There are certain defects in the disclosure of this patent, such as slow molding speed, the need for bonding operations, and excessive noise. Summary of the invention

[0003] In view of the above-mentioned problems in the prior art, the present invention provides a shoe box upper cover forming device to realize automatic folding of the shoe box upper cover.

[0004] The technical solution adopted by the present invention to solve the above technical problems is as follows: a shoe box upper cover forming device includes a material pressing mechanism, a material folding mechanism, a pre-folding mechanism and a front edge folding mechanism, the material folding mechanism includes a second connecting plate, a second mounting plate capable of lifting and lowering is provided above the second connecting plate; two fourth connecting plates capable of adjusting the spacing are provided on the second mounting plate; a side plate for folding the side wall of the shoe box upper cover is installed on the fourth connecting plate; the front edge folding mechanism includes a fifth connecting plate fixed on the second mounting plate, the fifth connecting plate is provided with a rotatable support seat, the support seat is connected with a third mounting plate, and fourth pressing plates are respectively fixed on both sides of the third mounting plate; the fifth connecting plate is provided with a folding and pressing cylinder for driving the third mounting plate to rotate with the support seat. The fourth pressing plate is provided with a movably connected pressing claw; the fourth pressing plate is provided with a pressing claw mounting plate; the pressing claw mounting plate has a long groove, and the long groove is slidably mounted on the locking screw of the fourth pressing plate; a first spring is provided between the pressing claw mounting plate and the fourth pressing plate; the pressing claw is movably mounted on the pressing claw mounting plate. The pressing claw is rotatably mounted on the pressing claw mounting plate through a third rotating shaft; a second spring is provided between the pressing claw and the pressing claw mounting plate. The pre-folding mechanism includes a pre-folding mounting seat fixedly connected to the fourth connecting plate, the pre-folding mounting seat is fixedly installed with a guide plate, and the guide plate is formed with a circular arc guide groove; a first connecting rod that can be lifted and lowered along the circular arc guide groove is provided on one side of the guide plate, the upper end of the first connecting rod is connected to the pre-folding block, and the lower end is connected to the driving shaft; the pre-folding mounting seat is installed with a pre-folding driving cylinder and a seventh connecting block driven by the pre-folding driving cylinder, and the driving shaft is movably connected to the seventh connecting block. The pre-folding mounting seat is fixed with a third connecting plate; the upper end of the third connecting plate is provided with a rotatable folding ear piece; the third connecting plate is installed with a folding ear cylinder, and the piston rod of the folding ear cylinder drives the folding ear piece to rotate through the eighth connecting block, the second connecting rod and the tenth connecting block. The pressure claw presses the buckle on the buckle groove; then the buckle cylinder drives the buckle plate to rotate around the second axis, so that the buckle is snapped into the buckle groove.

[0005] In order to optimize the above technical solution, the present invention also includes the following improved technical solution.

[0006] The fourth connecting plate is fixed with a folding ear plate, and the folding ear plate has a first guide block and a second guide block.

[0007] The above-mentioned second mounting plate is equipped with two lead screws with opposite thread directions and a third motor for driving the lead screws to rotate; the lead screw nut of the lead screw is fixedly connected to the corresponding fourth connecting plate; the second connecting plate is slidably mounted on the second fixed plate, and the second fixed plate is provided with a second motor for driving the second connecting plate to slide.

[0008] The second mounting plate is mounted on the second connecting plate in a manner that it can be lifted or lowered by means of a guide rod, and a third cylinder for driving the second mounting plate to be lifted or lowered is fixed to the second connecting plate.

[0009] The above-mentioned support seat is an arc-shaped body, one end of the support seat is rotatably mounted on the fifth connecting plate through the first rotating shaft, and the other end is rotatably connected to the third mounting plate through the second rotating shaft; the piston rod of the folding cylinder is connected to the fourteenth connecting block slidably mounted on the fifth connecting plate; the fourteenth connecting block is rotatably connected to the first end of the driving rod, and the second end of the driving rod is fixedly connected to the bottom surface of the third mounting plate.

[0010] The above-mentioned pressing mechanism includes a first fixed plate installed on the frame, the first fixed plate is provided with a movable first mounting plate, and a first motor for driving the first mounting plate to move; the first mounting plate is provided with a first pressing plate, a second pressing plate and a third pressing plate for pressing the material.

[0011] Compared with the prior art, the shoe box upper cover forming device of the present invention realizes full-automatic folding of the shoe box upper cover through the cooperation of a material pressing mechanism, a material folding mechanism, a pre-folding mechanism and a front edge folding mechanism, and has the advantages of fewer forming steps and high folding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 Schematic diagram of a material pressing mechanism according to an embodiment of the present invention.

[0013] Figure 2 yes Figure 1 Exploded diagram.

[0014] Figure 3 Schematic diagram of a material folding mechanism according to an embodiment of the present invention.

[0015] Figure 4 It is a schematic diagram of a part of the folding mechanism.

[0016] Figure 5 yes Figure 4 Exploded diagram.

[0017] Figure 6 It is a schematic diagram of the pre-folding mechanism.

[0018] Figure 7 yes Figure 6 Exploded diagram.

[0019] Figure 8 It is a schematic diagram of the folding leading edge mechanism.

[0020] Fig. 9 yes Figure 8 Exploded diagram.

[0021] Fig.10 It is a schematic diagram of the structure of the cardboard of the shoe box before folding. DETAILED DESCRIPTION

[0022] The embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings.

[0023] Figures 1 to 10 Shown is a schematic structural diagram of the present invention.

[0024] The accompanying drawings are marked as follows: frame 1, first fixing plate 2, first motor 3, first gear 4, first rack 5, first connecting strip 6, first mounting plate 7, first slider 8, first slide rail 9, first sensor 10, first induction sheet 11, first cylinder 12, second cylinder 13, first connecting plate 14, first pressing plate 15, second pressing plate 16, third pressing plate 17, spring 18, first connecting block 19, second connecting block 20, snap cylinder 21, third connecting block 22, fourth connecting block 2 3, the fifth connecting block 24, the sixth connecting block 25, the bearing mounting seat 26, the snap plate 27, the second fixing plate 28, the second motor 29, the second gear 30, the second rack 31, the second connecting strip 32, the second connecting plate 33, the second slider 34, the second slide rail 35, the second sensor 36, the second sensor sheet 37, the second mounting plate 38, the third motor 39, the third gear 40, the second gear mounting seat 41, the fourth gear 42, the lead screw 43, the lead screw nut 44, the twelfth connecting Block 45, fourth connecting plate 46, side plate 47, fifth slider 48, fifth slide rail 49, pre-folding drive cylinder 50, folding ear cylinder 51, third slider 52, first fixed block 53, seventh connecting block 54, second groove 54a, drive shaft 55, first connecting rod 56, guide plate 57, arc guide groove 57a, pre-folding block 58, second fixed block 59, third connecting plate 60, eighth connecting block 61, ninth connecting block 62, third slide rail 63, second connecting rod 64, tenth connecting block 65, mounting block 66, eleventh connecting block 67, folding ear piece 68, third cylinder 69, folding cylinder 70, third fixing block 71, fifth connecting plate 72, thirteenth connecting block 73, fourteenth connecting block 74, fourth fixing block 75, sixteenth connecting block 76, fifth slider 77, fourth slide rail 78, driving rod 79, supporting seat 80, third mounting plate 81, fourth pressing plate 82, first groove 82a, pressing claw mounting plate 83, first hole 83a, fifth fixing block 84, pressing claw 85 , the third hole 85a, the first spring 86, the second spring 87, the guide shaft 88, the fourth slider 89, the first motor mounting seat 90, the third sensor 91, the third sensing sheet 92, the first shaft 93, the second shaft 94, the third shaft 95, the fourth sensor 96, the limit block 97, the first crease 98, the second crease 99, the third crease 100, the buckle 101, the buckle groove 102, the side wall 103, the fourth crease 104, the seventeenth connecting block 105, the folding ear plate 106, the first guide block 107, the second guide block 108, the eighteenth connecting plate 109, the suction cup mounting seat 110, the suction cup 111, the sixth fixing block 112, the guide plate 113, the shoe cover ear 114, and the pre-folding mounting seat 115.

[0025] The shoe box upper cover forming device of the present invention comprises a material pressing mechanism, a material folding mechanism, a pre-folding mechanism and a front edge folding mechanism.

[0026] like Figure 1 and Figure 2 As shown, the material pressing mechanism includes a first fixed plate 2 mounted on a frame 1, and a first motor 3 mounted on the first fixed plate 2. A first gear 4 is mounted on the output shaft of the first motor 3, and the first gear 4 is located in the cavity of the first motor mounting seat 90. The first gear 4 is meshed with the first rack 5, and the first rack 5 is fixedly connected to the first mounting plate 7 through the first connecting bar 6. The lower surface of the first mounting plate 7 is mounted on the first slider 8 of the first slide rail 9, and the first motor 3 drives the first mounting plate 7 to move along the first slide rail 9 through the first gear 4 and the first rack 5, so as to adjust the material pressing position.

[0027] A first sensor 10 is installed on the right side of the first slide rail 9, and a first induction sheet 11 is installed on the first mounting plate 7. When the first mounting plate 7 moves to the rightmost side, the first sensor 10 receives a position signal of the first induction sheet 11, thereby controlling the first motor 3 to stop to prevent the first mounting plate 7 from sliding out of the safety distance of the first slide rail 9.

[0028] The first cylinder 12 and the second cylinder 13 are mounted on the first mounting plate 7. The piston rod of the first cylinder 12 is connected to the first connecting block 19. The first connecting block 19 is fixedly connected to the first pressing plate 15 through the second connecting block 20. The first cylinder 12 drives the first pressing plate 15 to move up and down, pressing the front end of the paper box, so as to pre-fold the first crease 98 of the shoe box.

[0029] The piston rod of the second cylinder 13 is fixedly connected to the first connecting plate 14. One end of the first connecting plate 14 is connected to the second pressing plate 16, and the other end is connected to the third pressing plate 17, thereby driving the second pressing plate 16 and the third pressing plate 17 to move up and down to press the material. Two spring plates 18 are installed on the second pressing plate 16, and the elasticity of the spring plates 18 is used to separate the paper boxes to prevent the first connecting plate 14 from hooking the paper boxes when it is lifted.

[0030] A snap cylinder 21 is provided on the third pressing plate 17. The cylinder body of the snap cylinder 21 is fixed on the third pressing plate 17 through the third connecting block 22, and the piston rod of the snap cylinder 21 is connected to the fourth connecting block 23. The first shaft 93 passes through the fourth connecting block 23, and the two ends are rotatably connected to the fifth connecting block 24 and the sixth connecting block 25 respectively. The two ends of the second shaft 94 pass through the fifth connecting block 24 and the sixth connecting block 25 respectively, and the two ends of the second shaft 94 are rotatably connected to the bearing mounting seat 26 through bearings. The bearing mounting seat 26 is installed on the second pressing plate 16, and the fifth connecting block 24 and the sixth connecting block 25 are connected to the snap plate 27. There are two sets of snap cylinders 21 and snap plates 27, which are symmetrically installed on both sides of the first connecting plate 14. The snap cylinder 21 drives the snap plate 27 to rotate around the second shaft 94, so that the snap 101 at the front end of the upper cover of the shoe box is stuck in the snap groove 102 on both sides of the upper cover.

[0031] like Figure 3 , Figure 4 , Figure 5 As shown, the material folding mechanism includes a second motor 29 disposed below the second fixed plate 28. The output shaft of the second motor 29 is connected to the second gear 30, and the second gear 30 is meshed with the second rack 31. The second rack 31 is connected to the lower surface of the second connecting plate 33 through the second connecting bar 32. Both sides of the lower surface of the second connecting plate 33 are connected to the second slider 34. Two second slide rails 35 are disposed on both sides of the second fixed plate 28, and the second motor 29 drives the second connecting plate 33 to move along the second slide rails 35 through the second gear 30 and the second rack 31, thereby adjusting the material folding position in the front-rear direction.

[0032] A second sensor 36 is mounted on the left side of the second slide rail 35, and a second induction sheet 37 is mounted on the second connecting plate 33. When the second connecting plate 33 moves to the rightmost side, the second sensor 36 receives a position signal of the second induction sheet 37, thereby controlling the second motor 29 to stop and prevent the second connecting plate 33 from sliding out of the second slide rail 35 by a safe distance.

[0033] The second mounting plate 38 is provided with a third motor 39. The output shaft of the third motor 39 is provided with a third gear 40. The fourth gear 42 is installed in the second gear mounting seat 41. The third gear 40 meshes with the fourth gear 42. Lead screws 43 are provided on both sides of the fourth gear 42, and the thread directions of the lead screws 43 on both sides are opposite. A lead screw nut 44 is provided on each lead screw 43. The lead screw nut 44 is installed on the fourth connecting plate 46 through the twelfth connecting block 45. The outer side wall of the fourth connecting plate 46 is provided with a side plate 47, and the lower surface of the fourth connecting plate 46 is installed on the fifth slider 48 of the fifth slide rail 49. The third motor 39 drives the lead screws 43 on both sides of the fourth gear 42 to rotate, and the two lead screw nuts 44 move away from or close to each other on the two lead screws 43. The two fourth connecting plates 46 are driven to move away from or close to each other on the fifth slide rail 49, thereby adjusting the spacing between the fourth connecting plates 46 on both sides to adapt to the folding positions on both sides of the upper cover of different sizes.

[0034] The fourth connecting plates 46 on both sides are connected to the folding ear plates 106 through the seventeenth connecting blocks 105. The first guide block 107 and the second guide block 108 with different inclination angles are installed on the upper end of the folding ear plates 106. The first guide block 107 and the second guide block 108 guide the shoe cover ears 114 from the front end to the folding position to receive force, and finally fold along the third crease 100 to avoid damaging the carton.

[0035] The third sensor 91 is mounted on the second mounting plate 38, and the third sensing sheet 92 is mounted on the fourth connecting plate 46. When the distance between the two fourth connecting plates 46 is the smallest, the third sensor 91 receives the position signal of the third sensing sheet 92, thereby controlling the third motor 39 to stop and prevent the fourth connecting plate 46 from sliding out of the safety distance of the fifth slide rail 49.

[0036] like Figure 6 and Figure 7As shown. The pre-folding mechanism includes a pre-folding drive cylinder 50 and an ear folding cylinder 51 installed on the fourth connecting plate 46. A third slider 52 is sleeved on the pre-folding drive cylinder 50, and the third slider 52 is fixedly connected to the seventh connecting block 54 through the first fixing block 53. The seventh connecting block 54 is in a "]" shape. The first connecting rod 56 is fixedly connected to the middle part of the driving shaft 55 and to one end of the guide shaft 88. One end of the driving shaft 55 is installed in the second groove 54a of the seventh connecting block 54, and the seventh connecting block 54 cooperates with the limit block 97 to prevent the driving shaft 55 from slipping out during movement. The other end of the driving shaft 55 can be slidably installed on the arc guide groove 57a on the guide plate 57. The other end of the guide shaft 88 can also be slidably installed on the arc guide groove 57a on the guide plate 57 to play a guiding role. The pre-folding block 58 is installed on the upper end of the first connecting rod 56. The pre-folding drive cylinder 50 drives the third slider 52 to slide up and down, and slides on the arc guide groove 57a through the driving shaft 55 and the guide shaft 88, driving the pre-folding block 58 to move, and pre-folding the first crease 98 of the shoe box cover.

[0037] A fourth sensor 96 is installed at the lower end of the pre-folding mechanism. When the third slider 52 is not at the lowest end, the third sensor 91 senses the position signal of the third slider 52, controls the third slider 52 on the pre-folding drive cylinder 50 to move to the lowest end, and then performs pre-folding.

[0038] The fourth connecting plates 46 on both sides are connected to the suction cup mounting seat 110 through the eighteenth connecting plate 109, and the suction cup 111 is installed in the suction cup mounting seat 110. When the ear folding cylinder 51 drives the ear folding piece 68 to move, the suction cup 111 sucks the shoe cover ear 114, so that the ear folding piece 68 pre-folds the fourth fold 104. The suction cup mounting seat 110 located on the left fourth connecting plate 46 is connected to the guide plate 113 through the sixth fixing block 112. The upper end of the guide plate 113 is an inclined surface to prevent the edge of the upper cover of the shoe box from tilting downward and damaging the paper box.

[0039] The ear-folding cylinder 51 is fixedly connected to the third connecting plate 60 through the second fixing block 59. The piston rod of the ear-folding cylinder 51 is connected to the eighth connecting block 61, and the eighth connecting block 61 is connected to the fourth slider 89 on the third slide rail 63 through the ninth connecting block 62. The third slide rail 63 is mounted on the third connecting plate 60. The upper end of the eighth connecting block 61 is fixedly connected to the lower end of the second connecting rod 64, and the upper end of the second connecting rod 64 is fixedly connected to one end of the tenth connecting block 65. The other end of the tenth connecting block 65 is fixedly connected to the middle of the third shaft 95, and the third shaft 95 is rotatably mounted on two mounting blocks 66. One end of the third shaft 95 is fixedly connected to the eleventh connecting block 67, and the eleventh connecting block 67 is fixedly connected to the ear-folding piece 68. The ear-folding cylinder 51 drives the third shaft 95 to rotate through the tenth connecting block 65, thereby driving the ear-folding piece 68 to rotate, and pre-folding the fourth crease 104 of the upper cover of the shoe box.

[0040] The third cylinder 69 installed under the second connecting plate 33 and the folding cylinder 70 installed on the second mounting plate 38. The piston rod of the third cylinder 69 is connected to the second mounting plate 38, driving the second mounting plate 38 to rise and fall, thereby driving the side plates 47 on both sides of the second mounting plate 38 to rise and fall, and folding the two side walls 103 of the upper cover of the shoe box.

[0041] like Figure 8 and Fig. 9 As shown. The folding cylinder 70 is fixedly connected to the fifth connecting plate 72 through the third fixing block 71, and the fifth connecting plate 72 is fixedly connected to the second mounting plate 38 through the thirteenth connecting block 73. The piston rod of the folding cylinder 70 is connected to the lower surface of the fourteenth connecting block 74, and the fourteenth connecting block 74 is installed on the fifth sliding block 77 through the sixteenth connecting block 76, and the fourth sliding rail 78 is installed on the fifth connecting plate 72. One end of the driving rod 79 is installed on the fourteenth connecting block 74, and the other end is installed on the lower end surface of the third mounting plate 81. Support seats 80 are provided on both sides of the driving rod 79, and one end of the support seat 80 is installed on the fifth connecting plate 72 through the fourth fixing block 75, and the other end is installed on the lower end surface of the third mounting plate 81 through the fifth fixing block 84. The fourth pressing plate 82 is fixedly installed on both sides of the third mounting plate 81, and the first groove 82a is provided on one end of the fourth pressing plate 82. The pressing claw mounting plate 83 is connected to the sliding groove on the fourth pressing plate 82 by screws, and the pressing claw mounting plate 83 can slide back and forth. The pressing claw mounting plate 83 is installed in the first groove 82a. The pressing claw mounting plate 83 is provided with a first hole 83a, and the inner wall of the first groove 82a is provided with a second hole, and the two ends of the first spring 86 are respectively installed in the first hole 83a and the second hole. The pressing claw mounting plate 83 can slide back and forth, thereby preventing the pressing claw 85 from scratching the shoe box when moving downward. The front end of the pressing claw mounting plate 83 is equipped with a horizontal connecting shaft, and the pressing claw 85 can be rotatably connected to the connecting shaft. The pressing claw 85 is provided with a third hole 85a, and the front end surface of the pressing claw mounting plate 83 is provided with a fourth hole, and the two ends of the second spring 87 are respectively installed in the third hole 85a and the fourth hole. The pressing claw 85 is movably connected to the fourth pressing plate 82, which can prevent the pressing claw 85 from colliding with the buckle plate 27. The folding and pressing cylinder 70 drives the fourth pressing plate 82 to move through the fourteenth connecting block 74 and the driving rod 79, and the fourth pressing plate 82 folds the second fold 99 of the shoe box cover. The pressing claw 85 moves with the fourth pressing plate 82 , and the pressing claw 85 presses the buckle 101 onto the buckle groove 102 .

[0042] Before processing, the first motor 3 is used to adjust the position of the pressing material according to the size of the paper box, and the second motor 29 and the third motor 39 are used to adjust the position of the folding material. During processing, the first cylinder 12 and the second cylinder 13 are ventilated to press the material. The suction cup 111 sucks the ear 114 of the shoe cover. The pre-folding drive cylinder 50 drives the pre-folding block 58 to move upward, so that the frontmost part of the upper cover is pre-folded along the first fold 98, and at the same time, the ear folding cylinder 51 drives the ear folding piece 68 to rotate, so that the buckle groove 102 of the upper cover of the shoe box is pre-folded along the fourth fold 104. After the pre-folding is completed, the pre-folding block 58 and the ear folding piece 68 return to their positions. The suction cup 111 stops sucking. The first cylinder 12 drives the first pressing plate 15 to lift, the third cylinder 69 drives the second mounting plate 38 to rise, and the side plate 47 and the ear folding plate 106 on the fourth connecting plate 46 rise, so that the two side walls 103, the third fold 100 and the second fold 99 of the upper cover of the shoe box are folded. The folding and pressing cylinder 70 drives the third mounting plate 81 and the fourth pressing plate 82 to move, so that the upper cover is folded along the first fold 98; during the folding process, the pressing claw 85 presses the buckle 101 on the buckle groove 102. Then the buckle cylinder 21 drives the buckle plate 27 to rotate around the second axis 94, so that the buckle 101 is snapped into the buckle groove 102. After the upper cover is folded, the folding and pressing cylinder 70 drives the third mounting plate 81 and the fourth pressing plate 82 to reset, and the third cylinder 69 drives the second mounting plate 38 to descend and return to the original position. The second cylinder 13 drives the second pressing plate 16 and the third pressing plate 17 to lift up, and the shoe box moves to the next box body folding process.

Claims

1. A shoe box upper cover forming device, comprising a material pressing mechanism, a material folding mechanism, a pre-folding mechanism and a front edge folding mechanism, wherein: The folding mechanism comprises a second connecting plate (33), a second mounting plate (38) capable of being raised and lowered is disposed above the second connecting plate (33); two fourth connecting plates (46) capable of adjusting the spacing are disposed on the second mounting plate (38); a side plate (47) for folding the side wall (103) of the upper cover of the shoe box is mounted on the fourth connecting plate (46); the front edge folding mechanism comprises a fifth connecting plate (72) fixed on the second mounting plate (38), the fifth connecting plate (72) being provided with a rotatable support seat (80), the support seat (80) being connected to a third mounting plate (81), and fourth pressing plates (82) being respectively fixed on both sides of the third mounting plate (81); The fifth connecting plate (72) is provided with a folding cylinder (70) for driving the third mounting plate (81) to rotate with the support seat (80); the fourth pressing plate (82) is provided with a movably connected pressing claw (85); the fourth pressing plate (82) is provided with a pressing claw mounting plate (83); the pressing claw mounting plate (83) has a long groove, and the long groove is slidably mounted on the locking screw of the fourth pressing plate (82); a first spring (86) is provided between the pressing claw mounting plate (83) and the fourth pressing plate (82); the pressing claw (85) is movably mounted on the pressing claw mounting plate (83); the pressing claw (85) is rotatably mounted on the pressing claw mounting plate (83) through a third rotating shaft; A second spring (87) is provided between the mounting plates (83); the pre-folding mechanism comprises a pre-folding mounting seat (115) fixedly connected to the fourth connecting plate (46); the pre-folding mounting seat (115) is fixedly installed with a guide plate (57); the guide plate (57) is provided with a circular arc guide groove (57a); a first connecting rod (56) capable of rising and falling along the circular arc guide groove (57a) is provided on one side of the guide plate (57); the upper end of the first connecting rod (56) is connected to a pre-folding block (58) and the lower end is connected to a driving shaft (55); the pre-folding mounting seat (115) is installed with a pre-folding driving cylinder (50) and a seventh connecting block (54) driven by the pre-folding driving cylinder (50); The driving shaft (55) is movably connected to the seventh connecting block (54); the pre-folding mounting seat (115) is fixed with a third connecting plate (60); the upper end of the third connecting plate (60) is provided with a rotatable folding ear piece (68); the third connecting plate (60) is installed with a folding ear cylinder (51), and the piston rod of the folding ear cylinder (51) drives the folding ear piece (68) to rotate through the eighth connecting block (61), the second connecting rod (64) and the tenth connecting block (65); the pressing claw (85) presses the buckle (101) onto the buckle groove (102); then the buckle cylinder (21) drives the buckle plate (27) to rotate around the second axis (94), so that the buckle (101) is snapped into the buckle groove (102).

2. The shoe box upper cover forming device according to claim 1 is characterized in that: The fourth connecting plate (46) is fixed with a folding ear plate (106), and the folding ear plate (106) has a first guide block (107) and a second guide block (108).

3. The shoe box upper cover forming device according to claim 1, characterized in that: The second mounting plate (38) is provided with two lead screws (43) with opposite thread directions and a third motor (39) for driving the lead screws (43) to rotate; the lead screw nut (44) of the lead screw (43) is fixedly connected to the corresponding fourth connecting plate (46); the second connecting plate (33) is slidably mounted on the second fixed plate (28), and the second fixed plate (28) is provided with a second motor (29) for driving the second connecting plate (33) to slide.

4. The shoe box upper cover forming device according to claim 1, characterized in that: The second mounting plate (38) is mounted on the second connecting plate (33) via a guide rod so as to be able to be lifted and lowered. The second connecting plate (33) is fixed with a third cylinder (69) for driving the second mounting plate (38) to be lifted and lowered.

5. The shoe box upper cover forming device according to claim 1, characterized in that: The support seat (80) is an arc-shaped body, one end of the support seat (80) is rotatably mounted on the fifth connecting plate (72) via a first rotating shaft, and the other end is rotatably connected to the third mounting plate (81) via a second rotating shaft; the piston rod of the folding cylinder (70) is connected to the fourteenth connecting block (74) slidably mounted on the fifth connecting plate (72); the fourteenth connecting block (74) is rotatably connected to the first end of the driving rod (79), and the second end of the driving rod (79) is fixedly connected to the bottom surface of the third mounting plate (81).

6. The shoe box upper cover forming device according to claim 1, characterized in that: The material pressing mechanism comprises a first fixed plate (2) mounted on a frame (1); the first fixed plate (2) is provided with a movable first mounting plate (7) and a first motor (3) for driving the first mounting plate (7) to move; the first mounting plate (7) is provided with a first pressing plate (15), a second pressing plate (16) and a third pressing plate (17) for pressing the material.

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