Edge folding device
By designing an adjustable connecting plate structure and conveyor belt, the problems of low applicability and inconvenient material feeding of existing folding devices have been solved, realizing flexible folding and automated material feeding of cardboard of different sizes, and improving work efficiency.
Patent Information
- Application Number
- CN202520440822.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-13
AI Technical Summary
Existing edge folding devices have fixed length and width dimensions, resulting in limited applicability. Furthermore, folded packaging boxes are prone to getting stuck inside the folding mechanism, making material unloading difficult.
An edge folding device was designed, which can fold paperboards of different areas through an adjustable connecting plate structure and a conveyor belt, and automatically transport paper boxes through the conveyor belt, simplifying the material unloading process.
It achieves flexible applicability to cardboard of different sizes, simplifies the folding and cutting process of cardboard boxes, and improves work efficiency.
Smart Images

Figure CN223850120U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of edge folding devices, specifically relating to an edge folding device. Background Technology
[0002] Paper packaging boxes are boxes made of paper materials and used for packaging. They are the most widely used packaging boxes. During the packaging box processing, they need to go through creasing and folding processes. When folding, an edge folding device is used. The cardboard is usually placed inside a special folding mechanism. Then, the cylinder is activated to press the cardboard, and the inner cavity of the structure folds the edge of the cardboard. Unlike manual folding, this folding method is simpler and more convenient.
[0003] Existing edge folding devices typically have fixed length and width dimensions for the cardboard folding mechanism, thus limiting their applicability to folding only single-size packaging boxes. Furthermore, the folded packaging boxes are prone to getting stuck inside the folding mechanism, making unloading difficult. Therefore, improvements are needed. Utility Model Content
[0004] The purpose of this utility model is to provide an edge folding device in which the relative positions of the two first connecting plates, the second connecting plate and the third connecting plate are easy to adjust during use, and the pressing plate is also easy to disassemble and replace. It can be used for folding cardboard of different areas, and the folded cardboard box can be automatically conveyed by a conveyor belt, making unloading simple.
[0005] To achieve the above-mentioned technical objectives, the technical solution adopted by this utility model is as follows:
[0006] An edge folding device, comprising
[0007] The mounting platform has a support component at its bottom, a mounting groove at its top, a sliding groove on the right side of its bottom, and a moving groove at its lower right side.
[0008] A conveying mechanism, which is installed inside the mounting slot;
[0009] Two displacement blocks are provided, and the two displacement blocks are slidably assembled in the groove in a front-to-back distribution. A first L-shaped connecting plate is fixedly installed at the bottom of each of the two displacement blocks, and a first assembly plate is fixedly installed at the top of each of the two first L-shaped connecting plates. A first connecting plate is fixedly installed on one side of each of the two first assembly plates that are close to each other.
[0010] A first driving mechanism is disposed at the bottom of the mounting platform and is used to drive the two first L-shaped connecting plates to move closer to each other or further apart.
[0011] A second L-shaped connecting plate is slidingly assembled in the moving groove, a connecting rod is fixedly installed on the upper left side of the second L-shaped connecting plate, and a second connecting plate is fixedly installed on the left end of the connecting rod;
[0012] A second driving mechanism is arranged in the moving groove and used for driving the second L-shaped connecting plate to move left and right;
[0013] An assembling frame is fixedly installed on the top of the mounting table, a pressing mechanism is arranged at the top center of the assembling frame, a first air cylinder is arranged at the left side of the top of the assembling frame, the telescopic end of the first air cylinder penetrates through the assembling frame and is fixedly connected with an L-shaped assembling rod, a third connecting plate is fixedly installed on the right end of the L-shaped assembling rod, and arc-shaped plates are arranged at the top of the first connecting plate, the second connecting plate and the third connecting plate.
[0014] As a preferred technical scheme, the assembling frame comprises four supporting columns, the four supporting columns are arranged in a rectangular distribution on the top of the mounting table, an assembling plate is fixedly installed at the upper ends of the four supporting columns, the first air cylinder is fixedly installed at the left side of the top of the assembling plate, and the telescopic end of the first air cylinder penetrates through the assembling plate and is fixedly connected with the upper end of the L-shaped assembling rod.
[0015] As a preferred technical scheme, the pressing mechanism comprises a second air cylinder, the second air cylinder is fixedly installed at the top center of the assembling plate, the telescopic end of the second air cylinder penetrates through the assembling plate and is fixedly connected with an assembling column, an opening is arranged at the lower end of the assembling column, a cylinder is slidingly assembled in the opening, a pressing plate is fixedly installed at the bottom of the cylinder, an installation box is fixedly installed at the periphery of the assembling column, a lock block is slidingly assembled in the installation box, an insertion slot is arranged at the periphery of the cylinder, the lock block extends into the insertion slot at one side, an inclined surface is arranged at the side of the lock block close to the cylinder, a spring is fixedly installed at the side of the lock block away from the cylinder, one end of the spring is fixedly connected with the inner wall of the installation box, a pull rod is fixedly installed at the side of the lock block away from the cylinder, and the pull rod extends out of the installation box and is fixedly connected with a pull block.
[0016] As a preferred technical scheme, the conveying mechanism comprises a motor, a plurality of transmission rollers are rotatably arranged at the inner walls of the front and rear sides of the installation groove, a conveying belt is drivingly connected with the plurality of transmission rollers, the motor is fixedly installed at the rear side of the mounting table, and the output shaft of the motor is drivingly connected with one of the transmission rollers through a transmission.
[0017] As a preferred technical scheme, the controller is fixedly installed at the right side of the front side of the mounting table, and the first air cylinder, the second air cylinder and the motor are electrically connected with the controller.
[0018] As a preferred technical scheme, the first driving mechanism comprises two fixed plates, the two fixed plates are respectively fixedly installed on the front and rear sides of the bottom of the mounting table, the rear fixed plate is rotationally assembled with a bidirectional threaded rod at the front side, the bidirectional threaded rod extends out of the fixed plate at the front end and is fixedly installed with a first hand knob, and the forward rotation threaded section and the reverse rotation threaded section of the bidirectional threaded rod are both threadedly connected with a first driven block.
[0019] As a preferred technical scheme, the second driving mechanism comprises a lead screw, one end of the lead screw is rotationally connected with the left side inner wall of the moving groove, the right end of the lead screw extends out of the moving groove and is fixedly connected with a second hand knob, the peripheral part of the lead screw is threadedly connected with a second driven block, and one side of the second driven block is fixedly connected with a second L-shaped connecting plate.
[0020] The paperboard folding device has the advantages that:
[0021] In use, the paperboard is placed on the four arc-shaped plates, and then the paperboard can be pressed by the pressing plate, so that the paperboard can be conveniently flanged, when different area paperboards need to be flanged, the two first connecting plates can be adjusted to be away from or close to each other, and the third connecting plate can be adjusted to be close to or away from the second connecting plate, so that the device is suitable for flanging paperboards with different widths or lengths, the pressing plate can be conveniently and quickly disassembled and replaced, operation is convenient, the folded paper box is conveyed through the conveying mechanism, the working efficiency of the workers can be increased, and the applicability is further improved. BRIEF DESCRIPTION OF DRAWINGS
[0022] The utility model can be further illustrated by the non-limiting embodiments shown in the drawings.
[0023] Figure 1 It is a whole structure schematic diagram of the utility model;
[0024] Figure 2 It is another visual angle structure schematic diagram of the utility model;
[0025] Figure 3 It is a bottom structure schematic diagram of the utility model;
[0026] Figure 4 It is a first kind of local structure schematic diagram of the utility model;
[0027] Figure 5 It is a local section structure schematic diagram of the utility model;
[0028] Figure 6 It is an assembly column structure schematic diagram of the utility model;
[0029] Figure 7 It is a structure schematic diagram of the cylinder and the pressing plate assembly of the utility model;
[0030] Figure 8 The structural schematic view of the spring, the pull rod and the lock block assembled by the utility model.
[0031] The mounting table 1 is provided with the support assembly 11 at the bottom, the support assembly 11 is four vertical columns, can provide stable support for the mounting table 1, the mounting groove 12 is opened at the top of the mounting table 1, the sliding groove 13 is opened at the right bottom of the mounting table 1, the moving groove 14 is opened at the right lower part of the mounting table 1, the conveying mechanism 2 is installed inside the mounting groove 12, the specific conveying mechanism 2 includes the motor 21, the inner wall of the mounting groove 12 is rotatably assembled with a plurality of transmission rollers at the front and rear sides, the plurality of transmission rollers are jointly transmission assembled with the conveying belt 22, the motor 21 is fixedly installed at the rear side of the mounting table 1, and the output shaft of the motor 21 is transmission connected with one of the transmission rollers through the speed changer. DETAILED DESCRIPTION
[0032] In order for those skilled in the art to better understand the utility model, the technical scheme of the utility model is further described below in combination with the drawings and examples.
[0033] As shown in Figures 1-8 the utility model discloses an edge folding device, which comprises
[0034] The mounting table 1 is provided with the support assembly 11 at the bottom, the support assembly 11 is four vertical columns, can provide stable support for the mounting table 1, the mounting groove 12 is opened at the top of the mounting table 1, the sliding groove 13 is opened at the right bottom of the mounting table 1, the moving groove 14 is opened at the right lower part of the mounting table 1, the conveying mechanism 2 is installed inside the mounting groove 12, the specific conveying mechanism 2 includes the motor 21, the inner wall of the mounting groove 12 is rotatably assembled with a plurality of transmission rollers at the front and rear sides, the plurality of transmission rollers are jointly transmission assembled with the conveying belt 22, the motor 21 is fixedly installed at the rear side of the mounting table 1, and the output shaft of the motor 21 is transmission connected with one of the transmission rollers through the speed changer.
[0035] The conveying mechanism 2 is installed inside the mounting groove 12, and the specific conveying mechanism 2 includes the motor 21.
[0036] In the initial state, a small gap is left between the bottom of the two first connecting plates 33, the second connecting plate 52 and the third connecting plate 54 and the top of the conveying belt 22, which is less than the thickness of the paperboard, after the paperboard is folded, the staff starts the telescopic end of the first air cylinder 72, and the third connecting plate 54 is driven away from the conveying belt 22, the conveying belt 22 starts to send the folded paper box, and the discharging is simple and does not need manual discharging of the staff.
[0037] The displacement block 3 is provided with two, the two displacement blocks 3 are distributed in front and back and are slidingly assembled in the sliding groove 13, the bottom of each of the two displacement blocks 3 is fixedly installed with a first L-shaped connecting plate 31, the upper end of each of the two first L-shaped connecting plates 31 is fixedly installed with a first assembly plate 32, and the side close to each other of the two first assembly plates 32 is fixedly installed with a first connecting plate 33.
[0038] The first driving mechanism 4 is arranged at the bottom of the mounting table 1 and is used to drive the two first L-shaped connecting plates 31 to move close to or away from each other, specifically, the first driving mechanism 4 comprises two fixed plates 41, the two fixed plates 41 are fixedly installed on the front and rear sides of the bottom of the mounting table 1, the front side of the rear fixed plate 41 is rotationally assembled with a bidirectional threaded rod 42, the front end of the bidirectional threaded rod 42 extends out of the fixed plate 41 and is fixedly installed with a first knob 43, the forward rotation thread segment and the reverse rotation thread segment of the bidirectional threaded rod 42 are both threadedly connected with a first driving block 44, and the two first driving blocks 44 are fixedly connected with the two first L-shaped connecting plates 31 respectively.
[0039] In use, the staff rotates the bidirectional threaded rod 42, since the two first driving blocks 44 are fixedly connected with the two first L-shaped connecting plates 31 respectively, and the two first driving blocks 44 are both threadedly connected with the forward rotation thread segment and the reverse rotation thread segment of the bidirectional threaded rod 42, therefore, the two first L-shaped connecting plates 31 will move close to or away from each other under the drive of the bidirectional threaded rod 42, and then drive the two first connecting plates 33 to move close to or away from each other, which is suitable for use in folding edges of cartons with different widths, and the operation is simple and convenient.
[0040] The second L-shaped connecting plate 5 is slidingly assembled in the moving groove 14, the left upper side of the second L-shaped connecting plate 5 is fixedly installed with a connecting rod 51, and the left end of the connecting rod 51 is fixedly installed with a second connecting plate 52.
[0041] The second driving mechanism 6 is arranged in the moving groove 14 and is used to drive the second L-shaped connecting plate 5 to move left and right, specifically, the second driving mechanism 6 comprises a lead screw 61, one end of the lead screw 61 is rotationally connected with the left inner wall of the moving groove 14, the right end of the lead screw 61 extends out of the moving groove 14 and is fixedly connected with a second knob 62, the lead screw 61 is threadedly connected with a second driving block 63, and one side of the second driving block 63 is fixedly connected with the second L-shaped connecting plate 5.
[0042] In use, the staff can drive the lead screw 61 to rotate through the second knob 62, since the second driving block 63 is threadedly connected with the lead screw, therefore, the second L-shaped connecting plate 5 can be driven to move left and right, so that the second connecting plate 52 moves close to or away from the third connecting plate 54, which is suitable for use in cartons with different lengths.
[0043] The assembling frame 7 is fixedly installed on the top of the mounting table 1. Specifically, the assembling frame 7 includes four support columns 75 which are arranged in a rectangular shape on the top of the mounting table 1, and a assembling plate 751 is fixedly installed on the upper ends of the four support columns 75. A first air cylinder 72 is fixedly installed on the top left side of the assembling plate 751, and the extension end of the first air cylinder 72 penetrates through the assembling plate 751 and is fixedly connected with the upper end of an L-shaped assembling rod 73. In use, the four support columns 75 can provide stable support for the assembling plate 751, and the assembling plate 751 is convenient for the installation of the first air cylinder 71 and the pressing mechanism 71.
[0044] The top of the assembling frame 7 is provided with the pressing mechanism 71. Specifically, the pressing mechanism 71 includes a second air cylinder 76 which is fixedly installed on the top center of the assembling plate 751. The extension end of the second air cylinder 76 penetrates through the assembling plate 751 and is fixedly connected with an assembling column 752. An opening 753 is formed in the lower end of the assembling column 752. A cylindrical column 754 is slidably arranged in the opening 753. A pressing plate 756 is fixedly installed on the bottom of the cylindrical column 754. An installation box 757 is fixedly installed on the peripheral part of the assembling column 752. A lock block 758 is slidably arranged in the installation box 757. An insertion slot 764 is formed in the peripheral part of the cylindrical column 754. One side of the lock block 758 extends into the insertion slot 764. An inclined surface is formed on the side of the lock block 758 which is close to the cylindrical column 754. A spring 762 is fixedly installed on the side of the lock block 758 which is away from the cylindrical column 754. One end of the spring 762 is fixedly connected with the inner wall of the installation box 757. A pull rod 763 is fixedly installed on the side of the lock block 758 which is away from the cylindrical column 754. One end of the pull rod 763 extends out of the installation box 757 and is fixedly connected with a pull block.
[0045] In the initial state, since the installation box is folded, batch processing is carried out, so a pressing plate 756 matching the size of the installation box is selected before processing, and when the pressing plate 756 is installed, only the cylinder 754 at the top of the pressing plate 756 needs to be inserted into the opening 753, when the cylinder 754 is inserted into the opening 753, the top of the cylinder 754 abuts against the inclined surface of the locking block 758, a pushing force is generated at the inclined surface, pushing the locking block 758 into the installation box 757 and compressing the spring 762, until the top of the cylinder 754 abuts against the inner wall of the upper side of the opening 753, the position of the locking block 758 is aligned with the insertion slot 764 and enters under the action of the spring 762, at this time the pressing plate 756 is fixed, and the second cylinder 76 can be pressed downward. The paperboard is pressed downward by the pressing plate 756, and the two first connecting plates 33, the second connecting plate 52 and the third connecting plate 54 are jointly enclosed to form a rectangle, the staff places the paperboard on the four arc-shaped plates 75, the pressing plate 756 presses the paperboard, the paperboard enters the rectangle formed by the two first connecting plates 33, the second connecting plate 52 and the third connecting plate 54, and the edges thereof cannot enter and are folded, the periphery of the pressing plate 756 and the two first connecting plates 33, the second connecting plate 52 and the third connecting plate 54 leave a gap for the folding of the paper box, when the pressing plate 756 needs to be replaced, the staff pulls the pull block to move the locking block 758 out of the connection with the insertion slot 764, the staff can remove the pressing plate 756 for replacement, the operation is simple and convenient, the replacement is fast and efficient, and the working efficiency of the staff can be effectively improved, and after the replacement of the pressing plate 756, the relative positions of the two first connecting plates 33, the second connecting plate 52 and the third connecting plate 54 also need to be adjusted.
[0046] The top left side of the assembly frame 7 is provided with a first cylinder 72, the telescopic end of the first cylinder 72 penetrates through the assembly frame 7 and is fixedly connected with an L-shaped assembly rod 73, the right end of the L-shaped assembly rod 73 is fixedly installed with a third connecting plate 54, and the top of the two first connecting plates 33, the second connecting plate 52 and the third connecting plate 54 is provided with an arc-shaped plate 74.
[0047] The controller 8 is fixedly installed at the right part of the front side of the mounting table 1, and the first cylinder 72, the second cylinder 76 and the motor 21 are electrically connected with the controller 8; when the paperboard is placed, the staff can manually place the paperboard, or the suction cup feeding device is used to place the paperboard on the four arc-shaped plates 74; when the telescopic end of the second cylinder 76 is pressed downward, the control end of the controller 8 automatically controls the telescopic ends of the second cylinder 76 and the first cylinder 72 to synchronously rise, then the control end of the controller 8 controls the conveying belt 22 to automatically start and work for a certain time length to convey the folded paper box to the next processing position; after the conveying belt 22 works, the telescopic end of the first cylinder 72 is automatically controlled to descend and return to the initial position, so that the next paper box edge folding can be performed; in cooperation with the controller 8 and the external feeding and placement, the automatic paper box folding can be realized, and the practicability is further enhanced.
[0048] The use mode of the device is as follows:
[0049] In the initial state, the relative positions among the two first connecting plates 33, the second connecting plate 52 and the third connecting plate 54 are adjusted according to the area of the paperboard; when the adjustment is performed, the two first L-shaped connecting plates 31 are driven to approach or move away from each other by the bidirectional threaded rod 42, so that the relative positions among the two first connecting plates 33 are adjusted, and the device is suitable for paperboards with different widths; the second L-shaped connecting plate 5 is driven to move left and right by the lead screw 61, so that the relative positions between the second connecting plate 52 and the third connecting plate 54 are adjusted, and the device is suitable for paperboards with different lengths, and the applicability is further improved; then the cylinder 754 of the pressing plate 756 with a suitable area is inserted into the opening 753, and then the paperboard is placed on the four arc-shaped plates 74; the paperboard is folded by starting the second cylinder 76 to press the paperboard downward; after the folding is completed, the paper box is conveyed by the conveying mechanism 2; then the edge folding of the next paper box can be performed, and the device is simple and convenient to use, and the work efficiency of the staff can be effectively improved.
[0050] The above examples only exemplarily illustrate the principle and effect of the device, and are not used to limit the device. Any person skilled in the art can modify or change the above examples without departing from the spirit and category of the device. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought of the device should be covered by the claims of the device.
Claims
1. An edge folding device characterized by: Comprising The installation platform (1) is provided with a support assembly (11) at the bottom, an installation slot (12) is opened at the top, a sliding groove (13) is opened at the right bottom of the installation platform (1), and a moving groove (14) is opened at the right lower part of the installation platform (1); The conveying mechanism (2) is installed inside the installation slot (12); Two displacement blocks (3) are arranged, which are distributed in front and back and are slidingly assembled inside the sliding groove (13), and the bottom of each displacement block (3) is fixedly installed with a first L-shaped connecting plate (31), and the upper end of each first L-shaped connecting plate (31) is fixedly installed with a first assembly plate (32), and the side close to each other of the two first assembly plates (32) is fixedly installed with a first connecting plate (33); The first driving mechanism (4) is arranged at the bottom of the installation platform (1), which is used for driving the two first L-shaped connecting plates (31) to move close to or away from each other; The second L-shaped connecting plate (5) is slidingly assembled inside the moving groove (14), the left upper part of the second L-shaped connecting plate (5) is fixedly installed with a connecting rod (51), and the left end of the connecting rod (51) is fixedly installed with a second connecting plate (52); The second driving mechanism (6) is arranged inside the moving groove (14), which is used for driving the second L-shaped connecting plate (5) to move left and right; The assembly frame (7) is fixedly installed on the top of the installation platform (1), the top of the assembly frame (7) is provided with a pressing mechanism (71), the left side of the top of the assembly frame (7) is provided with a first air cylinder (72), the telescopic end of the first air cylinder (72) penetrates through the assembly frame (7) and is fixedly connected with an L-shaped assembly rod (73), the right end of the L-shaped assembly rod (73) is fixedly installed with a third connecting plate (54), and the top of each of the two first connecting plates (33), the second connecting plate (52) and the third connecting plate (54) is provided with an arc-shaped plate (74).
2. An edge folding device according to claim 1, characterized in that: The assembly frame (7) includes four supporting columns (75), which are assembled in a rectangular distribution on the top of the installation platform (1), the upper end of each supporting column (75) is fixedly installed with an assembly plate (751), the first air cylinder (72) is fixedly installed on the left side of the top of the assembly plate (751), and the telescopic end of the first air cylinder (72) penetrates through the assembly plate (751) and is fixedly connected with the upper end of the L-shaped assembly rod (73).
3. An edge creaser as claimed in claim 2, wherein: The pressing mechanism (71) includes a second cylinder (76), the second cylinder (76) is fixedly installed on the top of the central part of the assembly plate (751), the telescopic end of the second cylinder (76) penetrates through the assembly plate (751) and is fixedly connected with an assembly column (752), the lower end of the assembly column (752) is provided with an opening (753), the inside of the opening (753) is slidably provided with a cylinder (754), the bottom of the cylinder (754) is fixedly installed with a pressing plate (756), the peripheral part of the assembly column (752) is fixedly installed with a mounting box (757), the inside of the mounting box (757) is slidably provided with a lock block (758), the peripheral part of the cylinder (754) is provided with a plug groove (764), one side of the lock block (758) extends into the inside of the plug groove (764), the side of the lock block (758) close to the cylinder (754) is provided with an inclined surface, the side of the lock block (758) away from the cylinder (754) is fixedly installed with a spring (762), one end of the spring (762) is fixedly connected with the inner wall of the mounting box (757), the side of the lock block (758) away from the cylinder (754) is fixedly installed with a pull rod (763), one end of the pull rod (763) extends out of the mounting box (757) and is fixedly installed with a pull block.
4. An edge creaser as claimed in claim 3, wherein: The conveying mechanism (2) includes a motor (21), a plurality of transmission rollers are rotatably arranged on the inner walls of the front and rear sides of the mounting groove (12), a plurality of transmission rollers are rotatably arranged on the inner walls of the front and rear sides of the mounting groove (12), and the transmission rollers are rotatably arranged on the inner walls of the front and rear sides of the mounting groove (12).
5. An edge creaser as claimed in claim 4, wherein: The mounting table (1) is provided with a controller (8) on the right side of the front side, and the first cylinder (72), the second cylinder (76) and the motor (21) are electrically connected with the controller (8).
6. An edge creaser as claimed in claim 1, characterized in that: The first driving mechanism (4) includes two fixed plates (41), and the two fixed plates (41) are fixedly installed on the front and rear sides of the bottom of the mounting table (1), respectively. The front side of the rear fixed plate (41) is rotatably provided with a bidirectional threaded rod (42), and the front end of the bidirectional threaded rod (42) extends out of the fixed plate (41) and is fixedly provided with a first hand (43). The positive rotation thread segment and the reverse rotation thread segment of the bidirectional threaded rod (42) are both threadedly connected with a first driving block (44), and the two first driving blocks (44) are fixedly connected with two first L-shaped connecting plates (31), respectively.
7. An edge creaser as claimed in claim 1, characterized in that: The second driving mechanism (6) includes a lead screw (61), one end of the lead screw (61) is rotatably connected with the left side of the inner wall of the moving groove (14), the right end of the lead screw (61) extends out of the moving groove (14) and is fixedly connected with a second hand (62), the peripheral part of the lead screw (61) is threadedly connected with a second driving block (63), and one side of the second driving block (63) is fixedly connected with a second L-shaped connecting plate (5).