High-stability box opening and bottom folding mechanism
By introducing movable rear folding bottom plate and side folding bottom plate structures into the box opening and bottom folding mechanism, combined with a synchronous belt drive system, the problems of bulky structure and poor stability of traditional box opening and bottom folding mechanisms are solved, achieving highly stable and convenient bottom folding operation.
Patent Information
- Application Number
- CN202620000929.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2026-01-04
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2036-01-04
AI Technical Summary
Traditional unpacking and bottom-folding mechanisms are bulky, have poor bottom-folding stability, and are inconvenient to assemble and repair.
It adopts a horizontally movable rear folding bottom plate and side folding bottom plate structure, combined with a suction cup and synchronous belt drive system to achieve stability of the front and rear folding bottom and side folding bottom. The arc-shaped extrusion section improves the stability of the box opening and adapts to different sizes of cartons.
It improves the stability and convenience of the unpacking and bottom-folding mechanism, simplifies equipment assembly and maintenance, reduces floor space, and is highly adaptable.
Smart Images

Figure CN223919729U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to packing equipment, concretely relates to a high stability open box bottom folding mechanism. BACKGROUND
[0002] The box filling machine is a kind of equipment for the automatic filling of box body. In order to facilitate the feeding of the box body, the box body is usually fed in the form of folding into a sheet, at this time, the box body needs to be opened and the bottom thereof is folded and sealed by the open box bottom folding mechanism, so as to facilitate the subsequent loading of materials into the opened box body. At present, the traditional open box bottom folding mechanism is provided with four edge folding bottom under the open box station for folding bottom processing. The defects of this structure are: the folding bottom mechanism is all arranged under the open box station, which leads to the bulky overall structure, and the overall assembly and maintenance of the equipment are very inconvenient. In addition, the folding bottom mechanism generally adopts a swing type folding bottom plate structure, and during the transfer process of completing the folding bottom, the box tongue of the bottom of the box body may be opened, and the stability of the folding bottom needs to be improved. SUMMARY
[0003] In view of the deficiencies of the background art, the technical problem to be solved by the utility model is to provide a high stability open box bottom folding mechanism for solving the above problems.
[0004] To this end, the utility model is realized by the following scheme:
[0005] A high stability open box bottom folding mechanism, comprising an inlet conveying belt, a stop block is arranged at the discharging end corresponding to the inlet conveying belt, a suction cup and an open box stop bar are arranged on one side of the inlet conveying belt, the suction cup is arranged on a first moving frame, the open box stop bar is arranged on a second moving frame, a front folding bottom plate is arranged below the open box stop bar corresponding thereto, the front folding bottom plate is connected with a first swing driving assembly, characterized in that: a rear folding bottom plate is arranged on one side corresponding to the front folding bottom plate, the rear folding bottom plate is connected with a first moving driving assembly, the first moving driving assembly can drive the rear folding bottom plate to move between front and rear folding bottom stations and side folding bottom stations, the side folding bottom stations are arranged with side folding bottom plates left and right, the side folding bottom plates are connected with corresponding second swing driving assemblies, and a transfer conveying belt is arranged above the two side folding bottom plates corresponding thereto.
[0006] One end of the open box stop bar is provided with a first arc-shaped extrusion part, and one end of the rear folding bottom plate is provided with a second arc-shaped extrusion part.
[0007] The first moving frame is arranged on a moving base, the moving base is connected with a first synchronous belt, the first synchronous belt passes through a first synchronous wheel, the first synchronous wheel is connected with an output end of a first motor, a second moving frame is connected with a second synchronous belt, the second synchronous belt passes through a second synchronous wheel, and the second synchronous wheel is connected with an output end of a second motor.
[0008] The first swing driving assembly comprises a first cylinder, one end of the front folding bottom plate is hinged to the frame, and a piston rod of the first cylinder is hinged to the front folding bottom plate.
[0009] The left and right side folding bottom plates and the transfer conveying belt are arranged on corresponding adjusting bases, guide assemblies are arranged on the two adjusting bases, an adjusting screw is rotatably arranged on the frame, the adjusting screw is provided with a first thread segment and a second thread segment which are reversely rotatable, the first thread segment is screwed with one of the adjusting bases, and the second thread segment is screwed with the other adjusting base.
[0010] The above technical scheme provides a high-stability opening-box folding bottom mechanism, the rear folding bottom plate is arranged to be horizontally movable, so that the front and rear folding bottom operations can be performed at the opening-box station, the box body can be supported by the rear folding bottom plate when being pushed to the side folding bottom station, the stability of the folding bottom operation is ensured, the material can be directly packed after the side folding bottom operation at the side folding bottom station, the folding bottom structure of the equipment is not bulky, the equipment is convenient to assemble and maintain, the floor area of the equipment is not additionally increased, and the overall layout of the opening-box folding bottom mechanism is more reasonable. BRIEF DESCRIPTION OF DRAWINGS
[0011] The utility model discloses the following drawings:
[0012] Figure 1 It is the structural schematic diagram of the utility model;
[0013] Figure 2 It is Figure 1 It is the view of another visual angle after removing part of the frame. DETAILED DESCRIPTION
[0014] As shown in the figure, the utility model discloses a high stability open box bottom folding mechanism, including the box conveying belt 1, the discharge end of corresponding box conveying belt 1 is provided with the baffle 4, is provided with the sucking disc 5 and the open box baffle strip 3 on the one side of box conveying belt 1, the sucking disc 5 is set up on the first mobile frame 6, the open box baffle strip 3 is set up on the second mobile frame 17, the below of corresponding open box baffle strip 3 is provided with the front folding bottom plate 19, and the front folding bottom plate 19 is connected with first swing drive assembly, and the one side of corresponding front folding bottom plate 19 is provided with the rear folding bottom plate 7, and the rear folding bottom plate 7 is connected with first mobile drive assembly, and first mobile drive assembly can drive rear folding bottom plate 7 move between front and rear folding bottom station and side folding bottom station, in the embodiment, first mobile drive assembly is third cylinder 13, and the piston rod of third cylinder 13 is connected with rear folding bottom plate 7, and side folding bottom station is provided with side folding bottom plate 8 on the left and right, and side folding bottom plate 8 is connected with corresponding second swing drive assembly, and second swing drive assembly is second cylinder 14, and the piston rod of second cylinder is hinged with side folding bottom plate 8, and the above of corresponding two side folding bottom plate 8 is provided with the transfer conveying belt 9, and the transfer conveying belt 9 can be attached with the side of box and drive box to move.
[0015] Further, one end of the open box baffle strip 3 is provided with a first arc-shaped extrusion part 2, and one end of the rear folding bottom plate 7 is provided with a second arc-shaped extrusion part 12. With the above structure, the first and second arc-shaped parts can realize arc-shaped contact guidance with the carton and the box tongue, further improve the stability of opening and folding, and reduce the extrusion deformation of the box.
[0016] Further, the first mobile frame 6 is arranged on the moving seat 11, the moving seat 11 is connected with the first synchronous belt 10, the first synchronous belt 10 passes around the first synchronous wheel, the first synchronous wheel is connected with the output end of the first motor, the second mobile frame 17 is connected with the second synchronous belt 16, the second synchronous belt 16 passes around the second synchronous wheel, and the second synchronous wheel is connected with the output end of the second motor. With the above structure, by controlling the first and second motors to drive the first and second synchronous belts to act, the first and second mobile frames can be driven to move.
[0017] Further, the first swing drive assembly includes a first cylinder 20, one end of the front folding bottom plate 19 is hinged on the rack, and the piston rod of the first cylinder 20 is hinged with the front folding bottom plate 19. By controlling the first cylinder 20, the front folding bottom plate 19 can be driven to swing for bottom folding processing.
[0018] Further, the left and right side folding bottom plates 8 and the transfer conveyor belt 9 are arranged on the corresponding adjusting seats 18, and a guide assembly is arranged corresponding to the two adjusting seats 18, and the adjusting screw 15 is rotatably arranged on the frame, and the adjusting screw 15 has a first threaded section and a second threaded section which are reversely rotatable, the first threaded section is screwed with one of the adjusting seats, and the second threaded section is screwed with the other adjusting seat. By adopting the above structure, the two adjusting seats 18 can be moved by rotating the adjusting screw 15 to adjust the distance between the two adjusting seats, so that the paper box of different specifications can be adapted, and the flexibility of use is improved.
[0019] The working principle of the utility model is: the folded paper box is firstly conveyed on the box conveying belt 1, and the frontmost paper box is blocked by the block 4, then the suction cup 5 moves to the frontmost paper box to suck the paper box and drive the paper box to separate from the box conveying belt 1, in the moving process, the paper box is contacted and extruded with the box opening blocking strip 3 to realize the natural opening of the box body, at this time, the upper and lower ends of the box body are in the opened state, the front folding bottom plate 19 is controlled to swing to realize the inner folding of the front box tongue, then the rear folding bottom plate 7 is controlled to move and extrude the rear box tongue to fold inwards and abut against the front box tongue, then the box opening blocking strip 3 is controlled to push the box body to move to the side folding bottom station, and at this time, the rear folding bottom plate 7 also continuously moves to support the bottom of the box body, after the box body moves to the side folding bottom station, the side folding bottom plates on both sides act to fold the side box tongue of the box body inwards to complete the closure of the bottom of the box body, at this time, the materials can be added into the box body, after the required materials are added, the box body is driven by the transfer conveyor belt 9 to move to the next station.
Claims
1. A high-stability box opening and bottom folding mechanism, comprising a box inlet conveyor belt (1), a stop block (4) provided at the discharge end of the box inlet conveyor belt (1), a suction cup (5) and a box opening baffle (3) provided on one side of the box inlet conveyor belt (1), the suction cup (5) being provided on a first moving frame (6), the box opening baffle (3) being provided on a second moving frame (17), and a front folding bottom plate (19) provided below the box opening baffle (3), the front folding bottom plate (19) being connected to a first swing drive assembly, characterized in that: A rear folding bottom plate (7) is arranged on one side of the front folding bottom plate (19), and the rear folding bottom plate (7) is connected with a first moving drive assembly, the first moving drive assembly can drive the rear folding bottom plate (7) to move between a front and rear folding bottom station and a side folding bottom station, the side folding bottom station is arranged with a side folding bottom plate (8) left and right, the side folding bottom plate (8) is connected with a corresponding second swing drive assembly, and above the two side folding bottom plates (8) are arranged with a transfer conveyor belt (9), the transfer conveyor belt (9) can be attached to the side of the box to drive the box to move.
2. The high stability opening box bottom folding mechanism according to claim 1, characterized in that: One end of the opening box blocking strip (3) is provided with a first arc-shaped extrusion part (2), and one end of the rear folding bottom plate (7) is provided with a second arc-shaped extrusion part (12).
3. The high stability open box bottom mechanism of claim 1, wherein: The first moving frame (6) is arranged on a moving seat (11), the moving seat (11) is connected with a first synchronous belt (10), the first synchronous belt (10) passes through a first synchronous wheel, the first synchronous wheel is connected with the output end of a first motor, a second moving frame (17) is connected with a second synchronous belt (16), the second synchronous belt (16) passes through a second synchronous wheel, and the second synchronous wheel is connected with the output end of a second motor.
4. The high stability open box bottom mechanism of claim 1, wherein: The first swing drive assembly comprises a first cylinder (20), one end of the front folding bottom plate (19) is hinged to a rack, and a piston rod of the first cylinder (20) is hinged to the front folding bottom plate (19).
5. The high stability open box bottom mechanism of claim 1, wherein: The left and right arranged side folding bottom plates (8) and the transfer conveyor belt (9) are arranged on corresponding adjusting seats (18), corresponding guide assemblies are arranged on the two adjusting seats (18), an adjusting screw rod (15) is rotatably arranged on the rack, the adjusting screw rod (15) has a first screw section and a second screw section which rotate reversely and oppositely, the first screw section is screwed with one of the adjusting seats, and the second screw section is screwed with the other adjusting seat.