A corrugated cardboard box folding device

Abstract

The present invention relates to the field of logistics packaging, and in particular to a corrugated cardboard box folding device. The present invention provides a corrugated cardboard box folding device that can be used to fold corrugated cardboard boxes of different specifications, including support limit rods, support mounting frames, transmission devices, adjustment components, etc.; the support limit rods are fixedly connected with support mounting frames, the support limit rods are provided with transmission devices, the transmission devices pass through the support mounting frames, and the support mounting frames are provided with adjustment components. By adjusting the cooperation between the lead screw and the sliding nut frame, it is convenient to adjust the height of the sliding nut frame according to the height of the corrugated cardboard box, so that the device is suitable for folding corrugated cardboard boxes of different heights; the sliding push plate frame can squeeze the front cover plate and the rear cover plate on it according to the corrugated cardboard boxes of different widths, so that the device can adaptively fold corrugated cardboard boxes of different widths, achieving the effect that the device can be suitable for corrugated cardboard boxes of different specifications.

Description

Technical Field

[0001] The invention relates to the field of logistics packaging, and in particular to a corrugated paperboard box folding device. Background Art

[0002] Corrugated cardboard boxes are common packaging materials in daily life. Corrugated cardboard boxes are made of corrugated cardboard. Corrugated cardboard has high mechanical strength and light weight. These unique properties and advantages of corrugated cardboard boxes make them widely used in the packaging of various items. Corrugated cardboard boxes can better protect the items inside, so that corrugated cardboard boxes can be used for the packaging of valuable and fragile items. At present, corrugated cardboard boxes are often used in logistics transportation, and the corrugated cardboard boxes need to be sealed before transportation.

[0003] In the process of sealing the corrugated cardboard box, the cover plate on the top of the corrugated cardboard box needs to be folded to facilitate covering the cover plate on the top of the corrugated cardboard box. In order to facilitate the packaging of items of different specifications, the corrugated cardboard boxes usually have different specifications, but the positions of the covers of corrugated cardboard boxes of different specifications are different. The positions of the covers are different, and the positions of the folds need to be adjusted. The existing corrugated cardboard box folding equipment does not have the function of adjusting the folding position according to the specifications of the corrugated cardboard box. If the specifications of the corrugated cardboard boxes are very different, the folding position of the corrugated cardboard box is not adjusted, which will lead to the problem that the cover plate on the corrugated cardboard box cannot be closed. Summary of the invention

[0004] Therefore, it is necessary to invent a corrugated cardboard box folding device that can be used for folding corrugated cardboard boxes of different specifications, can facilitate continuous folding of corrugated cardboard boxes, and can ensure that the cover plates on the top of the corrugated cardboard boxes are closed to solve the above problems.

[0005] In view of this, the present invention proposes a corrugated cardboard box folding device, including a support and limiting rod, a support and mounting frame, a transmission device, an adjustment component, a driving component, a folding component, a trigger pushing component and a limit folding component;

[0006] The support mounting frame and the support limiting rod are fixedly connected with the support mounting frame;

[0007] A transmission device is provided on the supporting limit rod;

[0008] An adjustment component is provided on the support mounting frame;

[0009] A driving assembly is provided on the supporting mounting frame;

[0010] A folding assembly is provided on the driving assembly, and the folding assembly is used to fold the left cover plate and the right cover plate on the top of the corrugated cardboard box;

[0011] A trigger push component is provided on the support mounting frame;

[0012] A position limiting folding component is provided on the supporting mounting frame.

[0013] As a further preferred scheme, the adjustment assembly includes an adjusting screw and a sliding nut frame. Four adjusting screws are rotatably connected to the top of the support mounting frame. The adjusting screws located at the front are connected to the sliding nut frame through threaded cooperation. The adjusting screws located at the rear are also connected to the sliding nut frame through threaded cooperation. The sliding nut frame is slidably connected to the support limit rod.

[0014] As a further preferred solution, the driving assembly includes an N-type support frame, an electric push rod and a downward pressure toggle frame. Two N-type support frames are fixedly connected to the top of the support mounting frame. The N-type support frames are symmetrically arranged. Electric push rods are provided on the N-type support frames. A downward pressure toggle frame is fixedly connected between the telescopic shafts of the electric push rods.

[0015] As a further preferred scheme, the folding assembly includes an L-shaped slide rail frame, an arc-shaped fixed frame, a groove wheel, a first return spring, a rotating gear, a fixed short rack, a fixed slotted frame, a pushing plate and a second return spring; the downward pressing and toggling frame is slidably connected with the L-shaped slide rail frame, an arc-shaped fixed frame is fixedly connected to the left side of the L-shaped slide rail frame, a groove wheel is rotatably connected to the arc-shaped fixed frame, an irregular slide groove is provided on the groove wheel, the groove wheel is slidably connected to the downward pressing and toggling frame, the first return spring is connected between the downward pressing and toggling frame and the L-shaped slide rail frame, a rotating gear is fixedly connected to the bottom of the groove wheel, two fixed slotted frames are fixedly connected to the lower part of the arc-shaped fixed frame, two pushing plates are slidably connected between the fixed slotted frames, the pushing plates are symmetrically arranged, two second return springs are connected between the pushing plates, a fixed short rack is fixedly connected to the top of the pushing plate, the fixed short rack is staggered, and the fixed short rack meshes with the rotating gear.

[0016] As a further preferred solution, the trigger push assembly includes a reset rod, an arc-shaped mounting frame, a slotted connecting frame, a T-shaped toggle rod, a large-head slotted rod, a sliding wedge block, a first return spring, a second return spring, a groove wheel, a second rotating gear and a fixed long rack. The top of the support limit rod on the left is fixedly connected to the reset rod, the bottom of the support mounting frame is fixedly connected to the arc-shaped mounting frame, the left side of the arc-shaped mounting frame is fixedly connected to the slotted connecting frame, the slotted connecting frame is slidably connected to the T-shaped toggle rod, and the T-shaped toggle rod is fixedly connected to There are two large-headed slotted rods, and a sliding wedge block is slidably connected to the upper part of the large-headed slotted rod. The sliding wedge block and the large-headed slotted rod are connected with a first return spring, and the sliding wedge block is located below the downward pressing toggle frame. A second return spring is connected between the T-shaped toggle rod and the slotted connecting frame. A groove wheel 2 is rotatably connected to the middle part of the arc-shaped mounting frame. At the same time, the groove wheel 2 is located below the transmission device, and the groove wheel 2 is slidably connected to the T-shaped toggle rod. A rotating gear 2 is fixedly connected to the top of the groove wheel 2, and a fixed long rack is arranged on the limit folding assembly.

[0017] As a further preferred scheme, the limit folding component includes a special-shaped slotted frame, a sliding push plate frame, a rectangular slide rail frame, a limit clamp plate, a first return spring, a downward pressure push rod, a second return spring, a slotted mounting frame, a wedge-shaped limit rod, a restoring spring and a coil spring. Two limit clamp plates are slidably connected to the support mounting frame, and two rectangular slide rail frames are fixedly connected to the top of the limit clamp plate. The rectangular slide rail frames located in the front are slidably connected with the special-shaped slotted frame, and the rectangular slide rail frames located in the rear are also slidably connected with the special-shaped slotted frame. A fixed long rack is fixedly connected to the lower part of the special-shaped slotted frame, and the fixed long rack is meshed with the rotating gear. The upper part of the slot frame is slidably connected with a sliding push plate frame, the sliding push plate frame is slidably connected with the sliding nut frame, two first return springs are connected between the limit clamp plate and the supporting mounting frame, the inner part of the limit clamp plate is slidably connected with a downward pressure push rod, the downward pressure push rod and the limit clamp plate are connected with a second return spring, two slotted mounting frames are connected on the limit clamp plate by bolts, the slotted mounting frames are slidably connected with a wedge-shaped limit rod, the wedge-shaped limit rod is in contact with the downward pressure push rod, and the wedge-shaped limit rod is in contact with the special-shaped slotted frame, a restoring spring is connected between the wedge-shaped limit rod and the slotted mounting frame, and a spiral spring is connected between the special-shaped slotted frame and the rectangular slide rail frame.

[0018] As a further preferred solution, a wedge-shaped pressing plate is also included, and the tops of the sliding nut frames are fixedly connected with the wedge-shaped pressing plate, and the wedge-shaped pressing plate is located above the transmission device.

[0019] Compared with the prior art, the present invention has the following advantages:

[0020] 1. By adjusting the cooperation between the lead screw and the sliding nut frame, it is convenient to adjust the height of the sliding nut frame according to the height of the corrugated cardboard box, so that the height of the push plate when pushing the left cover plate and the right cover plate on the corrugated cardboard box can be adjusted, thereby ensuring that the push plate can push the left cover plate and the right cover plate on the corrugated cardboard box, making the equipment suitable for folding corrugated cardboard boxes of different heights.

[0021] 2. After the left cover plate and the right cover plate on the corrugated cardboard box are folded, the sliding push plate frame will squeeze the front and rear cover plates on the corrugated cardboard box so that the front and rear cover plates on the corrugated cardboard box are closed, which is convenient for continuous folding of the corrugated cardboard box.

[0022] 3. The limit fixture plate can limit the position of corrugated cardboard boxes of different widths, so that the sliding push plate frame can squeeze the front cover plate and the rear cover plate on the corrugated cardboard boxes of different widths, ensuring that the sliding push plate frame can push the front cover plate and the rear cover plate on the corrugated cardboard boxes, so that the equipment can adaptively fold the corrugated cardboard boxes of different widths.

[0023] 4. Use the wedge-shaped pressing plate to first limit the folded left and right covers on the corrugated cardboard box, and then fold the front and rear covers of the corrugated cardboard box, so as to prevent the folded left and right covers on the corrugated cardboard box from tilting up, avoid affecting the folding of the front and rear covers of the corrugated cardboard box, and ensure that the equipment can smoothly cover the top of the corrugated cardboard box. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the first three-dimensional structure of the present invention.

[0025] Figure 2 It is a schematic diagram of the second three-dimensional structure of the present invention.

[0026] Figure 3 It is a partial three-dimensional structural schematic diagram of the present invention.

[0027] Figure 4 It is a schematic diagram of the three-dimensional structure of the driving assembly of the present invention.

[0028] Figure 5 It is a schematic diagram of a first partial three-dimensional structure of the folding assembly of the present invention.

[0029] Figure 6 It is a schematic diagram of a second partial three-dimensional structure of the folding assembly of the present invention.

[0030] Figure 7 This is a schematic diagram of a first partial three-dimensional structure of the trigger push assembly of the present invention.

[0031] Figure 8This is a schematic diagram of a second partial three-dimensional structure of the trigger push assembly of the present invention.

[0032] Fig. 9 It is a schematic diagram of a partially disassembled three-dimensional structure of a trigger push assembly of the present invention.

[0033] Fig.10 It is a partial three-dimensional structural schematic diagram of the position-limiting and folding assembly of the present invention.

[0034] Fig.11 It is a schematic diagram of a partially disassembled three-dimensional structure of a position-limiting and folding assembly of the present invention.

[0035] Fig.12 It is a schematic diagram of a partially cutaway three-dimensional structure of a position-limiting and folding assembly of the present invention.

[0036] Fig.13 It is a schematic diagram of the three-dimensional structure of the adjustment component of the present invention.

[0037] Parts names and serial numbers in the figure: 1_Support limit rod, 21_Support mounting frame, 22_Transmission device, 3_Adjustment assembly, 31_Adjustment screw, 32_Sliding nut frame, 4_Drive assembly, 41_N-type support frame, 42_Electric push rod, 43_Downward pressure toggle frame, 5_Folding assembly, 51_L-type slide rail frame, 52_Arc fixed frame, 53_Groove wheel 1, 54_First return spring, 55_Rotation gear 1, 56_Fixed short rack, 57_Fixed slotted frame, 58_Push plate, 59_Second return spring, 6_Trigger push assembly, 61_Reset rod, 62_Arc mounting Frame, 63_slotted connecting frame, 64_T-type toggle rod, 65_big head slotted rod, 66_sliding wedge block, 67_first return spring, 68_second return spring, 69_groove wheel two, 610_rotating gear two, 611_fixed long rack, 7_limited folding component, 71_special-shaped slotted frame, 72_sliding push plate frame, 73_rectangular slide rail frame, 74_limited clamp plate, 75_first return spring, 76_down push rod, 77_second return spring, 78_slotted mounting frame, 79_wedge-shaped limit rod, 710_restoration spring, 711_helical spring, 8_wedge-shaped pressing plate. DETAILED DESCRIPTION

[0038] The following embodiments of the present invention are described in further detail in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0039] Example 1

[0040] A corrugated cardboard box folding device, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 , Fig.10 , Fig.11 and Fig.12 As shown, it includes a support and limit rod 1, a support mounting frame 21, a transmission device 22, an adjustment component 3, a drive component 4, a folding component 5, a trigger pushing component 6 and a limit folding component 7. The support and limit rods 1 are fixedly connected with the support mounting frame 21. The support and limit rods 1 are provided with a transmission device 22. A plurality of corrugated cardboard boxes containing articles are placed on the transmission device 22. The transmission device 22 intermittently transports the corrugated cardboard boxes from left to right. The support mounting frame 21 is provided with an adjustment component 3. The adjustment component 3 is used to adjust the height of the folding mouth according to the height of the corrugated cardboard box. The support mounting frame 21 is provided with a drive component 4. The drive component 4 is provided with a folding component 5. The folding component 5 is used to fold the left cover plate and the right cover plate on the top of the corrugated cardboard box. The support mounting frame 21 is provided with a trigger pushing component 6. The support mounting frame 21 is provided with a limit folding component 7. The limit folding component 7 is used to fold the front cover plate and the rear cover plate on the corrugated cardboard box.

[0041] The adjustment assembly 3 includes an adjusting screw 31 and a sliding nut frame 32. Four adjusting screws 31 are rotatably connected to the top of the support mounting frame 21. The adjusting screws 31 located in the front are connected to the sliding nut frame 32 through threaded cooperation. The adjusting screws 31 located in the rear are also connected to the sliding nut frame 32 through threaded cooperation. The sliding nut frame 32 is slidably connected to the support limit rod 1. The height of the sliding nut frame 32 can be adjusted by manually rotating the adjusting screw 31 by the staff.

[0042] The driving assembly 4 includes an N-type support frame 41, an electric push rod 42 and a downward pressing and toggling frame 43. Two N-type support frames 41 are fixedly connected to the top of the support mounting frame 21. The N-type support frames 41 are symmetrically arranged. The electric push rod 42 is fixedly installed on the N-type support frame 41. The downward pressing and toggling frame 43 is fixedly welded between the telescopic axes of the electric push rod 42. The downward pressing and toggling frame 43 is located above the transmission device 22.

[0043] The folding assembly 5 includes an L-shaped slide rail frame 51, an arc-shaped fixed frame 52, a groove wheel 53, a first return spring 54, a rotating gear 55, a fixed short rack 56, a fixed slotted frame 57, a push plate 58 and a second return spring 59. The L-shaped slide rail frame 51 is slidably connected to the pressing and toggling frame 43. The arc-shaped fixed frame 52 is fixedly connected to the left side of the L-shaped slide rail frame 51. The groove wheel 53 is rotatably connected to the arc-shaped fixed frame 52. The groove wheel 53 is provided with an irregular slide groove. The groove wheel 53 is slidably connected to the pressing and toggling frame 43. The groove wheel 53 guides the pressing and toggling frame 43. A groove for A first reset spring 54 for reset, a rotating gear 55 is fixedly connected to the bottom of the groove wheel 53, and two fixed slotted frames 57 are connected to the lower part of the arc-shaped fixed frame 52 by welding. Two push plates 58 are slidably connected between the fixed slotted frames 57. The push plates 58 are symmetrically arranged. The push plates 58 are used to push the left cover plate and the right cover plate on the corrugated cardboard box. Two second reset springs 59 for reset are connected between the push plates 58. A fixed short rack 56 is fixed to the top of the push plate 58. The fixed short rack 56 is staggered. The fixed short rack 56 is meshed with the rotating gear 55, and the rotating gear 55 is located between the fixed short racks 56.

[0044] The trigger push assembly 6 includes a reset rod 61, an arc-shaped mounting frame 62, a slotted connecting frame 63, a T-shaped toggle rod 64, a large-head slotted rod 65, a sliding wedge block 66, a first return spring 67, a second return spring 68, a groove wheel 69, a rotating gear 610 and a fixed long rack 611. The reset rod 61 is fixedly welded on the top of the support limit rod 1 on the left, and the arc-shaped mounting frame 62 is fixedly connected to the bottom of the support mounting frame 21. The slotted connecting frame 63 is fixedly connected to the left side of the arc-shaped mounting frame 62. The slotted connecting frame 63 is slidably connected to the T-shaped toggle rod 64. The T-shaped toggle rod 64 is located below the transmission device 22. Two large-head slotted rods 65 are fixedly connected to the T-shaped toggle rod 64. The upper part of the large-head slotted rod 65 is slidably connected to a sliding wedge. Block 66, the sliding wedge block 66 and the large-head slotted rod 65 are connected with a first return spring 67, and the sliding wedge block 66 is located below the downward pressing toggle frame 43. When the downward pressing toggle frame 43 moves downward, it will contact the sliding wedge block 66. A second return spring 68 for resetting is connected between the T-shaped toggle rod 64 and the slotted connecting frame 63. A groove wheel 2 69 is rotatably connected to the middle part of the arc-shaped mounting frame 62. An irregular sliding groove is arranged on the groove wheel 2 69. At the same time, the groove wheel 2 69 is located below the transmission device 22, and the groove wheel 2 69 is slidably connected to the T-shaped toggle rod 64. The groove wheel 2 69 is used to guide the T-shaped toggle rod 64. A rotating gear 2 610 is fixedly welded on the top of the groove wheel 2 69, and a fixed long rack 611 is arranged on the limiting folding component 7.

[0045] The limit folding assembly 7 includes a special-shaped slotted frame 71, a sliding push plate frame 72, a rectangular slide rail frame 73, a limit clamp plate 74, a first return spring 75, a downward push rod 76, a second return spring 77, a slotted mounting frame 78, a wedge-shaped limit rod 79, a return spring 710 and a coil spring 711. Two limit clamp plates 74 are slidably connected to the support mounting frame 21. The limit clamp plates 74 will limit the corrugated cardboard boxes of different specifications. The limit clamp plates 74 push the top The two rectangular rail frames 73 are connected by welding. The rectangular rail frames 73 at the front are slidably connected with the special-shaped slotted frames 71. The rectangular rail frames 73 at the rear are also slidably connected with the special-shaped slotted frames 71. The lower part of the special-shaped slotted frames 71 is fixed with a fixed long rack 611. The fixed long rack 611 is meshed with the second rotating gear 610. The second rotating gear 610 is located between the fixed long rack 611. The front cover and the rear cover of the corrugated cardboard box are slidably connected to the sliding push plate frame 72, which is used to push the front cover and the rear cover on the corrugated cardboard box. The sliding push plate frame 72 is slidably connected to the sliding nut frame 32. Two first return springs 75 for resetting are connected between the limit clamp plate 74 and the support mounting frame 21. A downward push rod 76 is slidably connected inside the limit clamp plate 74. A second return spring 77 is connected between the downward push rod 76 and the limit clamp plate 74. Two slotted mounting frames 78 are connected to the tool plate 74 by bolts, and a wedge-shaped limiting rod 79 is slidably connected between the slotted mounting frames 78. The inclined surface of the wedge-shaped limiting rod 79 contacts the end of the downward pressing push rod 76, and the wedge-shaped limiting rod 79 contacts the special-shaped slotted frame 71. A restoring spring 710 is connected between the wedge-shaped limiting rod 79 and the slotted mounting frame 78, and a coil spring 711 for resetting is connected between the special-shaped slotted frame 71 and the rectangular slide rail frame 73.

[0046] When the equipment is operating normally, a plurality of corrugated cardboard boxes containing articles are placed on the transmission device 22, and other power equipment drives the transmission device 22 to intermittently transport the corrugated cardboard boxes from left to right. When the corrugated cardboard boxes need to be sealed, the staff manually controls the electric push rod 42 to retract, and the electric push rod 42 will drive the downward pressing and toggling frame 43 to move downward. At the same time, the downward pressing and toggling frame 43 will drive the L-shaped slide rail frame 51 and the upper device thereof to move downward through the first return spring 54. During this process, the fixed slotted frame 57 will contact the sliding nut frame 32, and the sliding nut frame 32 will block the fixed slotted frame 57 and the upper device thereof, so that the fixed slotted frame 57 and the upper device thereof cannot continue to move downward, and the electric push rod 42 will continue to retract. , the pressing and toggling frame 43 will continue to move downward, the first return spring 54 will be compressed accordingly, the pressing and toggling frame 43 will move along the slide groove on the curved surface of the groove wheel 53, through the cooperation of the groove wheel 53 and the pressing and toggling frame 43, the groove wheel 53 and the rotating gear 55 will rotate a certain angle, the rotating gear 55 will drive the fixed short rack 56 and the pushing plate 58 to move in the direction of approaching each other, and the second return spring 59 will be compressed accordingly. At this time, two of the cover plates on the top of the corrugated cardboard box will be squeezed by the pushing plate 58, so that the left cover plate and the right cover plate on the top of the corrugated cardboard box are closed, thereby completing the folding operation of one part of the corrugated cardboard box, and then the folded part of the corrugated cardboard box is transported to the right by the transmission device 22.

[0047] Then the staff manually controls the electric push rod 42 to extend, and the electric push rod 42 will drive the downward pressing and toggling frame 43 to reset upward, and the above operations will be reset in reverse successively; in the process of the downward pressing and toggling frame 43 and the upper device moving downward, the downward pressing and toggling frame 43 will push the sliding wedge block 66 to move in the direction away from each other, and the first return spring 67 will be compressed accordingly, and then the downward pressing and toggling frame 43 will move below the sliding wedge block 66, and the first return spring 67 will reset accordingly and drive the sliding wedge block 66 to reset; when the downward pressing and toggling frame 43 and the upper device are reset upward, the downward pressing and toggling frame 43 will drive the sliding wedge block 66 to reset, and the sliding wedge block 66 will reset accordingly. The block 66 and the device thereon move upward, and at the same time, the T-type toggle rod 64 moves along the slide groove on the groove wheel 2 69. Through the cooperation of the groove wheel 2 69 and the T-type toggle rod 64, the groove wheel 2 69 and the rotating gear 2 610 rotate a certain angle, and the rotating gear 2 610 drives the fixed long rack 611 and the device thereon to move in a direction approaching each other, and the special-shaped slotted frame 71 pushes the wedge-shaped limiting rod 79 and the device thereon to move in a direction approaching each other, and at the same time, the slotted mounting frame 78 and the device thereon also move in a direction approaching each other, and the first return spring 75 is compressed accordingly. Part of the corrugated cardboard box is transported to between the push rods 76 by the transmission device 22. When the limiting clamp plate 74 and its upper device move to a suitable position, the push rod 76 will first contact the lower part of the partially folded corrugated cardboard box, and the partially folded corrugated cardboard box will squeeze the push rod 76 to move away from each other, and the second return spring 77 will be compressed accordingly. The limiting clamp plate 74 will limit the partially folded corrugated cardboard box, and the push rod 76 will squeeze the wedge-shaped limiting rod 79 to move downward when it moves in the direction away from each other, and the return spring 710 will be compressed accordingly. 9 will separate from the special-shaped slotted frame 71, so that the wedge-shaped limiting rod 79 no longer blocks the special-shaped slotted frame 71. At this time, since a portion of the corrugated cardboard box has been folded, the downward pressing push rod 76 will be blocked, and the downward pressing push rod 76 and the upper device will stop moving, and the special-shaped slotted frame 71 and the upper device will continue to move in the direction of approaching each other, and the spiral spring 711 will be compressed accordingly, so that the sliding push plate frame 72 moves in the direction of approaching each other to squeeze the front cover plate and the rear cover plate of the corrugated cardboard box, thereby closing the front cover plate and the rear cover plate of the corrugated cardboard box, realizing the function of being able to cover the cover plate on the corrugated cardboard box.

[0048] Depending on the width of the corrugated cardboard box, if the width of the corrugated cardboard box is small, the limit clamp plate 74 and the device on it have a longer stroke of moving towards each other, and the downward pressing push rod 76 will contact the lower part of the partially folded corrugated cardboard box, and then the sliding push plate frame 72 will squeeze the front cover plate and the rear cover plate of the corrugated cardboard box, which is suitable for the case where the width of the corrugated cardboard box is small; if the width of the corrugated cardboard box is large, the limit clamp plate 74 and the device on it have a shorter stroke of moving towards each other, and the downward pressing push rod 76 will contact the lower part of the partially folded corrugated cardboard box, and the sliding push plate frame 72 will squeeze the front cover plate and the rear cover plate of the corrugated cardboard box, which is suitable for the case where the width of the corrugated cardboard box is large, ensuring that the sliding push plate frame 72 can push the front cover plate and the rear cover plate of the corrugated cardboard box, so that the present device is suitable for corrugated cardboard boxes of different widths.

[0049] Then the sliding wedge block 66 will contact the reset rod 61, and the reset rod 61 will squeeze the sliding wedge block 66 to move in the direction away from each other, so that the sliding wedge block 66 is separated from the downward pressing and toggling frame 43, and the sliding wedge block 66 and the device thereon will reset downward accordingly. Through the cooperation of the groove wheel 2 69 and the T-type toggling rod 64, the groove wheel 2 69 and the rotating gear 2 610 will rotate in the opposite direction to reset, and the special-shaped slotting frame 71 and the device thereon will reset accordingly. At the same time, the special-shaped slotting frame 71 will drive the rectangular slide rail frame 73 and the device thereon to reset to the left, and the downward pressing push rod 76 will separate from the folded corrugated cardboard box, and the second return spring 77 will reset accordingly and drive the downward pressing push rod 76 to reset. The downward pressing push rod 76 no longer squeezes the wedge-shaped limiting rod 79, and the restoring spring 710 will reset accordingly and drive the wedge-shaped limiting rod 79 to reset, and then the folded corrugated cardboard box will continue to be transported to the right by the transmission device 22, so that the device can continuously fold the corrugated cardboard box.

[0050] Before the device is operated, the staff uses a tool to rotate the adjusting screw 31 in advance to make the sliding nut frame 32 move upward or downward, so as to adjust the height of the sliding nut frame 32, thereby adjusting the travel of the fixed slotted frame 57 and the device thereon when they move downward. When the fixed slotted frame 57 and the device thereon move downward for a long distance, the push plate 58 will move downward to a lower position and then squeeze the left cover plate and the right cover plate on the top of the corrugated cardboard box, which is suitable for the device to fold the corrugated cardboard box with a lower height. When the fixed slotted frame 57 and the device thereon move downward for a short distance, the push plate 58 will be in a higher position and then squeeze the left cover plate and the right cover plate on the top of the corrugated cardboard box, which is suitable for the device to fold the corrugated cardboard box with a higher height, thereby facilitating the device to fold the corrugated cardboard boxes of different heights. Since the height of the push plate 58 when folding the left cover plate and the right cover plate of the corrugated cardboard box can be adjusted according to the height of the corrugated cardboard box, it is ensured that the push plate 58 can push the left cover plate and the right cover plate on the corrugated cardboard box.

[0051] Example 2

[0052] On the basis of Example 1, Fig.13 As shown, it also includes a wedge-shaped pressing plate 8, which is fixedly connected between the tops of the sliding nut frames 32, and the wedge-shaped pressing plate 8 is located above the transmission device 22. The wedge-shaped pressing plate 8 is used to limit the left cover plate and the right cover plate folded at the top of the corrugated cardboard box.

[0053] When the left cover plate and the right cover plate on the top of the corrugated cardboard box are folded, the transmission device 22 will convey the partially folded corrugated cardboard box to the right to under the wedge-shaped pressing plate 8, and the wedge-shaped pressing plate 8 will limit the folded left cover plate and the right cover plate on the top of the corrugated cardboard box to prevent the folded left cover plate and the right cover plate on the top of the corrugated cardboard box from tilting up. When the left cover plate and the right cover plate on the corrugated cardboard box are tilted up, the front cover plate and the rear cover plate will be blocked, affecting the folding of the front and rear cover plates of the corrugated cardboard box. The wedge-shaped pressing plate 8 will The folded left cover and right cover on the top of the corrugated cardboard box are limited to facilitate the smooth folding of the four cover panels on the top of the corrugated cardboard box. When the sliding push plate frame 72 squeezes the front cover and the rear cover of the corrugated cardboard box, the front cover and the rear cover of the corrugated cardboard box will cover the wedge-shaped pressing plate 8, and then the transmission device 22 will transport the folded corrugated cardboard box to the right, and the folded cover on the corrugated cardboard box will be separated from the wedge-shaped pressing plate 8, and finally the corrugated cardboard box will be subsequently sealed by other equipment.

[0054] In the description of the present invention, unless otherwise specified, "plurality" means two or more than two; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

Claims

1. A corrugated cardboard box folding device, characterized in that: It comprises a support and limit rod (1), a support mounting frame (21), a transmission device (22), an adjustment component (3), a drive component (4), a folding component (5), a trigger push component (6) and a limit folding component (7); A support mounting frame (21) is fixedly connected between the support limiting rod (1); The transmission device (22) supports the limiting rod (1) on which the transmission device (22) is provided. An adjustment component (3), wherein the support mounting frame (21) is provided with the adjustment component (3); A driving assembly (4), wherein the supporting mounting frame (21) is provided with the driving assembly (4); A folding assembly (5), wherein the driving assembly (4) is provided with the folding assembly (5), and the folding assembly (5) is used to fold the left cover plate and the right cover plate at the top of the corrugated cardboard box; A trigger push component (6), wherein the support mounting frame (21) is provided with the trigger push component (6); A position limiting folding component (7), wherein the position limiting folding component (7) is provided on the supporting mounting frame (21); The adjustment assembly (3) comprises an adjustment screw (31) and a sliding nut frame (32); four adjustment screws (31) are rotatably connected to the top of the support mounting frame (21); the adjustment screws (31) located at the front are connected to the sliding nut frame (32) by means of threaded engagement; the adjustment screws (31) located at the rear are also connected to the sliding nut frame (32) by means of threaded engagement; the sliding nut frame (32) is slidably connected to the support limit rod (1); The driving assembly (4) comprises an N-shaped support frame (41), an electric push rod (42) and a downward pressing and toggling frame (43); two N-shaped support frames (41) are fixedly connected to the top of the support mounting frame (21); the N-shaped support frames (41) are symmetrically arranged; the electric push rod (42) is arranged on the N-shaped support frame (41); and the downward pressing and toggling frame (43) is fixedly connected between the telescopic shafts of the electric push rod (42); The folding assembly (5) comprises an L-shaped slide rail frame (51), an arc-shaped fixed frame (52), a groove wheel (53), a first return spring (54), a rotating gear (55), a fixed short rack (56), a fixed slotted frame (57), a push plate (58) and a second return spring (59); the L-shaped slide rail frame (51) is slidably connected to the lower pressing and toggling frame (43); the arc-shaped fixed frame (52) is fixedly connected to the left side of the L-shaped slide rail frame (51); the groove wheel (53) is rotatably connected to the arc-shaped fixed frame (52); the groove wheel (53) is provided with an irregular slide groove; the groove wheel (53) is slidably connected to the lower pressing and toggling frame (43) A first return spring (54) is connected between the downward pressing and toggling frame (43) and the L-shaped slide rail frame (51); a rotating gear (55) is fixedly connected to the bottom of the groove wheel (53); two fixed slotted frames (57) are fixedly connected to the lower part of the arc-shaped fixed frame (52); two push plates (58) are slidably connected between the fixed slotted frames (57); the push plates (58) are symmetrically arranged; two second return springs (59) are connected between the push plates (58); a fixed short rack (56) is fixedly connected to the top of the push plate (58); the fixed short rack (56) is staggered and meshes with the rotating gear (55); The trigger push assembly (6) comprises a reset rod (61), an arc-shaped mounting frame (62), a slotted connecting frame (63), a T-shaped toggle rod (64), a large-head slotted rod (65), a sliding wedge block (66), a first return spring (67), a second return spring (68), a second groove wheel (69), a second rotating gear (610) and a fixed long rack (611). The top of the left support limit rod (1) is fixedly connected with the reset rod (61), the bottom of the support mounting frame (21) is fixedly connected with the arc-shaped mounting frame (62), the left side of the arc-shaped mounting frame (62) is fixedly connected with the slotted connecting frame (63), the slotted connecting frame (63) is slidably connected with the T-shaped toggle rod (64), and the T-shaped toggle rod (64) is fixedly connected with two large-head slotted Rod (65), a sliding wedge block (66) is slidably connected to the upper part of the large-end slotted rod (65), a first return spring (67) is connected between the sliding wedge block (66) and the large-end slotted rod (65), and the sliding wedge block (66) is located below the downward pressing toggle frame (43), a second return spring (68) is connected between the T-shaped toggle rod (64) and the slotted connecting frame (63), a groove wheel 2 (69) is rotatably connected to the middle part of the arc-shaped mounting frame (62), and the groove wheel 2 (69) is located below the transmission device (22), and the groove wheel 2 (69) is slidably connected to the T-shaped toggle rod (64), a rotating gear 2 (610) is fixed to the top of the groove wheel 2 (69), and a fixed long rack (611) is arranged on the limit folding component (7); The limit folding assembly (7) comprises a special-shaped slotted frame (71), a sliding push plate frame (72), a rectangular slide rail frame (73), a limit clamp plate (74), a first return spring (75), a downward push rod (76), a second return spring (77), a slotted mounting frame (78), a wedge-shaped limit rod (79), a return spring (710) and a coil spring (711). Two limit clamp plates (74) are slidably connected to the support mounting frame (21). The limit clamps Two rectangular slide rail frames (73) are fixedly connected to the top of the tool plate (74); the rectangular slide rail frames (73) located in the front are slidably connected to the special-shaped slotted frames (71); the rectangular slide rail frames (73) located in the rear are also slidably connected to the special-shaped slotted frames (71); a fixed long rack (611) is fixedly connected to the lower part of the special-shaped slotted frames (71); the fixed long rack (611) is meshed with the second rotating gear (610); the upper part of the special-shaped slotted frames (71) is slidably connected to the upper part of the special-shaped slotted frames (71); The sliding push plate frame (72) is movably connected, the sliding push plate frame (72) is slidably connected to the sliding nut frame (32), two first return springs (75) are connected between the limit clamp plate (74) and the support mounting frame (21), a downward push rod (76) is slidably connected inside the limit clamp plate (74), a second return spring (77) is connected between the downward push rod (76) and the limit clamp plate (74), and a Two slotted mounting frames (78) are slidably connected to each other with a wedge-shaped limiting rod (79), the wedge-shaped limiting rod (79) contacts the downward pressing rod (76), and the wedge-shaped limiting rod (79) contacts the special-shaped slotted frame (71), a restoring spring (710) is connected between the wedge-shaped limiting rod (79) and the slotted mounting frame (78), and a coil spring (711) is connected between the special-shaped slotted frame (71) and the rectangular slide rail frame (73).

2. A corrugated cardboard box folding device as claimed in claim 1, characterized in that: It also includes a wedge-shaped pressing plate (8), the wedge-shaped pressing plate (8) being fixedly connected between the tops of the sliding nut frames (32), and the wedge-shaped pressing plate (8) is located above the transmission device (22).

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