A plastic box multi-position folding machine

Abstract

The utility model belongs to the technical field of folding edge of packaging boxes, and particularly relates to a multi-position folding machine for plastic boxes, including a machine platform, a pressing mechanism, a bearing mechanism, a long folding mechanism and a short folding mechanism, the pressing mechanism including a lifting assembly and a pressing assembly, the pressing assembly including a shield, a pressing motor, a lead screw, a lead screw nut, a movable seat, a movable rod, a sliding seat, a pressing bearing and a pressing fixture. The multi-position folding machine for plastic boxes provided by the present application, the pressing mechanism presses paper downward, and at the same time, the long folding mechanism bends and forms the long side of the paper box, and at the same time, the short folding mechanism bends and forms the short side of the paper box, the long side and the short side of the paper box are bent and formed at the same time, which improves the forming efficiency of the paper box, the long folding roller and the short folding roller bend the long side and the short side of the paper box respectively, which can effectively avoid scratches on the side of the paper box, improve the bending and forming quality of the paper box, and the bending and forming effect is better, which can meet the production needs.

Description

Technical Field

[0001] The utility model belongs to the technical field of packaging box folding, in particular to a plastic box multi-position folding machine. Background Art

[0002] Traditional hard plastic packaging bags cannot be folded on all four sides at one time due to the large number of sides. Traditional equipment needs to bend the sides separately or manually, resulting in low work efficiency. In addition, traditional equipment is prone to scratching the plastic during the folding process, resulting in scratches on the sides of the formed plastic box, affecting production quality, resulting in poor bending and forming effects, and unable to meet production needs. Utility Model Content

[0003] The utility model aims to provide a multi-position folding machine for plastic boxes, aiming to solve the technical problems in the prior art of low working efficiency, poor bending and forming effect, and failure to meet production needs.

[0004] To achieve the above-mentioned purpose, the embodiment of the utility model provides a plastic box multi-position folding machine, including a machine platform, a pressing mechanism, a supporting mechanism, a long folding mechanism and a short folding mechanism, the pressing mechanism is connected to the top side of the machine platform, the supporting mechanism is passed through the machine platform, the long folding mechanism and the short folding mechanism are each provided with two, the two long folding mechanisms are arranged in parallel and opposite to the machine platform, the two short folding mechanisms are arranged in parallel and opposite to the machine platform, the long folding mechanism and the short folding mechanism are arranged adjacent to each other, and the supporting mechanism is arranged in the space surrounded by the long folding mechanism and the short folding mechanism.

[0005] As an optional scheme of the utility model, the pressing mechanism includes a lifting component and a pressing component, the lifting component is connected to the pressing component and drives the pressing component to lift and lower, the lifting component includes a machine base, a lifting motor, a belt, a pulley, a conveying shaft, a belt holder, a slide, a slide rail and a crossbeam, the machine base is fixedly connected to the machine platform, the lifting motor is arranged in the machine base and fixedly connected to the machine platform, the belt is fixedly wound around the lifting motor and the pulley, the pulley is fixedly passed through the conveying shaft, the conveying shaft is rotatably connected to the machine base, the belt holder is fixedly connected to the belt, the slide is fixedly connected to the belt holder and the crossbeam, the slide is slidably connected to the slide rail, and the slide rail is fixedly connected to the machine base.

[0006] As an optional scheme of the utility model, the downward pressure assembly includes a shield, a downward pressure motor, a screw, a screw nut, a movable seat, a movable rod, a sliding seat, a downward pressure bearing and a downward pressure fixture. The shield is fixedly connected to the crossbeam, the downward pressure motor is fixedly connected to the shield, the screw is fixedly connected to the downward pressure motor, the screw nut is threadedly connected to the screw, the movable seat is fixedly connected to the movable rod, the movable rod is movably arranged in the sliding seat, the downward pressure bearing is fixedly connected to the sliding seat, the bottom end of the screw is fixedly connected to the downward pressure bearing, and the downward pressure fixture is fixedly connected to the bottom end of the movable rod.

[0007] As an optional solution of the utility model, the bearing mechanism includes a bearing seat, a bearing spring, a bearing slide bar and a workbench, the bearing seat is fixedly connected to the machine, the bearing spring is fixedly connected to the bearing seat, the bearing slide bar is movably arranged in the machine and fixedly connected to the bearing spring, and the workbench is fixedly connected to the top end of the bearing slide bar.

[0008] As an optional scheme of the utility model, the long folding mechanism includes a long folding base, a long folding pre-pressing assembly and a long folding pressing assembly, the long folding pre-pressing assembly and the long folding pressing assembly are both arranged on the long folding base, the long folding pre-pressing assembly is arranged above the long folding pressing assembly, the long folding pre-pressing assembly includes a first long folding cylinder, a long folding push frame, a long folding pressure roller, a second long folding cylinder and a long folding pre-pressing plate, the first long folding cylinder is fixedly connected to the long folding base, the long folding push frame is fixedly connected to the first long folding cylinder, the long folding pressure roller is rotatably connected to the long folding push frame, the second long folding cylinder is fixedly connected to the long folding base, and the long folding pre-pressing plate is fixedly connected to the second long folding cylinder.

[0009] As an optional scheme of the utility model, the long folding edge clamping assembly includes a third long folding edge cylinder, a long folding edge clamping plate, a fourth long folding edge cylinder, a long folding edge limiting substrate, a long folding edge slider and a long folding edge slide rail. The third long folding edge cylinder is fixedly connected to the long folding edge base, the long folding edge clamping plate is fixedly connected to the third long folding edge cylinder, the fourth long folding edge cylinder is fixedly connected to the long folding edge base, the long folding edge limiting substrate is fixedly connected to the fourth long folding edge cylinder, the long folding edge slider is fixedly connected to the bottom side of the long folding edge limiting substrate and is slidably connected to the long folding edge slide rail, and the long folding edge slide rail is fixedly connected to the machine table.

[0010] As an optional solution of the utility model, the short folding mechanism includes a short folding base, a first short folding cylinder, a short folding push rack, a short folding pressure roller, a second short folding cylinder, a short folding pressure plate, a third short folding cylinder, a short folding limiting substrate, a short folding slider and a short folding slide rail. The short folding base is fixedly connected to the machine, the first short folding cylinder is fixedly connected to the short folding base, the short folding push rack is fixedly connected to the first short folding cylinder, and the short folding pressure roller It is rotatably connected to the short folding push frame, the second short folding cylinder is fixedly connected to the short folding base, the short folding pressing plate is fixedly connected to the second short folding cylinder, the third short folding cylinder is fixedly connected to the short folding base, the short folding limiting substrate is fixedly connected to the third short folding cylinder, the short folding slider is fixedly connected to the bottom side of the short folding limiting substrate and is slidably connected to the short folding slide rail, and the short folding slide rail is fixedly connected to the machine table.

[0011] As an optional solution of the present invention, support feet and rollers are fixedly connected to the bottom side of the machine platform.

[0012] The above one or more technical solutions in the plastic box multi-position folding machine provided by the embodiment of the utility model have at least one of the following technical effects:

[0013] The multi-position folding machine for plastic boxes provided in the present application includes a machine table, a pressing mechanism, a supporting mechanism, a long folding mechanism and a short folding mechanism. After the paper is placed on the supporting mechanism, the pressing mechanism presses the paper downward, and at the same time the long folding mechanism bends and forms the long sides of the paper box, and at the same time the short folding mechanism bends and forms the short sides of the paper box. The long and short sides of the paper box are bent and formed at the same time, which improves the forming efficiency of the paper box. The long folding roller and the short folding roller bend the long and short sides of the paper box respectively, which can effectively avoid scratches on the sides of the paper box, improve the bending and forming quality of the paper box, and have a better bending and forming effect, which can meet production needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 A schematic structural diagram of a plastic box multi-position folding machine provided in an embodiment of the utility model.

[0016] Figure 2 A schematic structural diagram of the multi-position folding machine for plastic boxes provided in an embodiment of the utility model with the machine table omitted.

[0017] Figure 3 A three-dimensional diagram of the multi-position folding machine for plastic boxes provided by an embodiment of the utility model with the machine platform omitted.

[0018] Figure 4 A schematic structural diagram of a long folding mechanism and a short folding mechanism of a plastic box multi-position folding machine provided in an embodiment of the utility model.

[0019] Figure 5 A three-dimensional diagram of a long folding mechanism and a short folding mechanism of a plastic box multi-position folding machine provided in an embodiment of the utility model.

[0020] Among them, the reference numerals in the figure are:

[0021] 1. Machine; 2. Pressing mechanism; 3. Carrying mechanism; 4. Long folding mechanism; 5. Short folding mechanism;

[0022] 11. Support feet; 12. Rollers;

[0023] 21. Lifting assembly; 22. Pressing assembly;

[0024] 211, machine base; 212, lifting motor; 213, belt; 214, pulley; 215, conveying shaft; 216, belt holder; 217, slide seat; 218, slide rail; 219, crossbeam;

[0025] 221, protective cover; 222, pressing motor; 223, lead screw; 224, lead screw nut; 225, movable seat; 226, movable rod; 227, sliding seat; 229, pressing fixture;

[0026] 31. bearing seat; 33. bearing slide bar; 34. working table;

[0027] 41. Long folding edge base; 42. Long folding edge pre-pressing assembly; 43. Long folding edge pressing assembly;

[0028] 421, first long folding cylinder; 422, long folding push frame; 423, long folding pressure roller; 424, second long folding cylinder; 425, long folding pre-pressing plate;

[0029] 431, the third long folding cylinder; 432, the long folding pressing plate; 433, the fourth long folding cylinder; 434, the long folding limiting base plate; 435, the long folding slider; 436, the long folding slide rail;

[0030] 50. Short folding base; 51. First short folding cylinder; 52. Short folding push frame; 53. Short folding pressure roller; 54. Second short folding cylinder; 55. Short folding pressing plate; 56. Third short folding cylinder; 57. Short folding limiting base plate; 58. Short folding slider; 59. Short folding slide rail. DETAILED DESCRIPTION

[0031] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0032] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0033] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0034] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0035] In one embodiment of the present invention, Figures 1 to 5As shown, a multi-position folding machine for plastic boxes is provided, including a machine platform 1, a pressing mechanism 2, a supporting mechanism 3, a long folding mechanism 4 and a short folding mechanism 5, the pressing mechanism 2 is connected to the top side of the machine platform 1, the supporting mechanism 3 is passed through the machine platform 1, two long folding mechanisms 4 and two short folding mechanisms 5 are each provided, the two long folding mechanisms 4 are provided in parallel and opposite to the machine platform 1, the two short folding mechanisms 5 are provided in parallel and opposite to the machine platform 1, the long folding mechanisms 4 and the short folding mechanisms 5 are provided adjacent to each other, and the supporting mechanism 3 is provided in a space enclosed by the long folding mechanisms 4 and the short folding mechanisms 5. The multi-position folding machine for plastic boxes provided in the present application has the following steps: after the paper is placed on the supporting mechanism 3, the pressing mechanism 2 presses the paper downward, and at the same time the long folding mechanism 4 bends and forms the long sides of the paper box, and at the same time the short folding mechanism 5 bends and forms the short sides of the paper box. The long and short sides of the paper box are bent and formed at the same time, which improves the forming efficiency of the paper box. The long folding roller 423 and the short folding roller 53 bend the long and short sides of the paper box respectively, which can effectively avoid scratches on the sides of the paper box, improve the bending and forming quality of the paper box, and achieve better bending and forming effects, which can meet production needs.

[0036] In another embodiment of the utility model, the pressing mechanism 2 of the plastic box multi-position folding machine includes a lifting assembly 21 and a pressing assembly 22, the lifting assembly 21 is connected to the pressing assembly 22, and drives the pressing assembly 22 to lift, the lifting assembly 21 includes a base 211, a lifting motor 212, a belt 213, a pulley 214, a conveying shaft 215, a belt holder 216, a slide seat 217, a slide rail 218 and a crossbeam 219, the base 211 is fixedly connected to the machine 1, and the lifting motor 212 is arranged in the machine base 211 and is fixedly connected with the machine platform 1. The belt 213 is fixedly wound around the lifting motor 212 and the pulley 214 respectively. The pulley 214 is fixedly passed through the conveying shaft 215. The conveying shaft 215 is rotatably connected with the machine base 211. The belt clamp 216 is fixedly connected with the belt 213. The slide 217 is fixedly connected with the belt clamp 216 and the crossbeam 219 respectively. The slide 217 is slidably connected with the slide rail 218. The slide rail 218 is fixedly connected with the machine base 211. The lifting assembly 21 is used to drive the pressing assembly 22. The specific process is as follows: the lifting motor 212 drives the belt 213 to move. The belt 213 synchronously drives the pulley 214 and the conveying shaft 215 to rotate. During the movement of the belt 213, the belt clamp 216 moves together with the belt 213. The belt clamp 216 drives the slide 217 to move along the slide rail 218. The crossbeam 219 moves with the slide 217 at the same time.

[0037] In another embodiment of the utility model, the pressing assembly 22 of the plastic box multi-position folding machine includes a shield 221, a pressing motor 222, a screw 223, a screw nut 224, a movable seat 225, a movable rod 226, a sliding seat 227, a pressing bearing and a pressing fixture 229. The shield 221 is fixedly connected to the crossbeam 219, the pressing motor 222 is fixedly connected to the shield 221, the screw 223 is fixedly connected to the pressing motor 222, the screw nut 224 is threadedly connected to the screw 223, the movable seat 225 is fixedly connected to the movable rod 226, the movable rod 226 is movably arranged in the sliding seat 227, the pressing bearing is fixedly connected to the sliding seat 227, the bottom end of the screw 223 is fixedly connected to the pressing bearing, and the pressing fixture 229 is fixedly connected to the bottom end of the movable rod 226. The pressing motor 222 drives the lead screw 223 to rotate, and the lead screw nut 224 converts the rotational motion of the lead screw 223 into linear motion. Then the lead screw nut 224 abuts against the movable seat 225 and pushes the movable rod 226 to move downward along the sliding seat 227. The pressing fixture 229 moves downward with the movable rod 226 and performs the pressing and folding operation on the paper.

[0038] In another embodiment of the utility model, the bearing mechanism 3 of the multi-position folding machine for plastic boxes includes a bearing seat 31, a bearing spring, a bearing slide bar 33 and a workbench 34. The bearing seat 31 is fixedly connected to the machine 1, the bearing spring is fixedly connected to the bearing seat 31, the bearing slide bar 33 is movably arranged in the machine 1 and fixedly connected to the bearing spring, and the workbench 34 is fixedly connected to the top of the bearing slide bar 33. The pressing fixture 229 presses the paper on the workbench 34, and the bearing slide bar 33 moves downward under the elastic action of the bearing spring, and at the same time drives the workbench 34 to move downward.

[0039] In another embodiment of the utility model, the long folding mechanism 4 of the multi-position folding machine of the plastic box includes a long folding base 41, a long folding pre-pressing component 42 and a long folding pressing component 43. The long folding pre-pressing component 42 and the long folding pressing component 43 are both arranged on the long folding base 41, and the long folding pre-pressing component 42 is arranged above the long folding pressing component 43. The long folding pre-pressing component 42 includes a first long folding cylinder 421, a long folding push frame 422, The long folding pressure roller 423, the second long folding cylinder 424 and the long folding pre-pressure plate 425, the first long folding cylinder 421 is fixedly connected to the long folding base 41, the long folding push frame 422 is fixedly connected to the first long folding cylinder 421, the long folding pressure roller 423 is rotatably connected to the long folding push frame 422, the second long folding cylinder 424 is fixedly connected to the long folding base 41, and the long folding pre-pressure plate 425 is fixedly connected to the second long folding cylinder 424. Furthermore, the long folding edge clamping assembly 43 includes a third long folding edge cylinder 431, a long folding edge clamping plate 432, a fourth long folding edge cylinder 433, a long folding edge limiting substrate 434, a long folding edge slider 435 and a long folding edge slide rail 436. The third long folding edge cylinder 431 is fixedly connected to the long folding edge base 41, the long folding edge clamping plate 432 is fixedly connected to the third long folding edge cylinder 431, the fourth long folding edge cylinder 433 is fixedly connected to the long folding edge base 41, the long folding edge limiting substrate 434 is fixedly connected to the fourth long folding edge cylinder 433, the long folding edge slider 435 is fixedly connected to the bottom side of the long folding edge limiting substrate 434, and is slidably connected to the long folding edge slide rail 436, and the long folding edge slide rail 436 is fixedly connected to the machine 1. The long edge bending forming process of the paper box is as follows: during the downward movement of the paper box, the first long folding cylinder 421 pushes the long folding push frame 422 and the long folding pressure roller 423 to approach the long edge of the paper box, and the long edge of the paper box is pressed and contacted with the long folding pressure roller 423, and the long folding pressure roller 423 pre-bends the long edge of the paper box. Then the second long folding cylinder 424 pushes the long folding pre-pressing plate 425 to approach the long edge of the paper box and presses and contacts the long edge of the paper box to pre-tighten the long edge of the paper box. Then the third long folding cylinder 431 pushes the long folding pressing plate 432 to press and contact the long edge of the paper box, and presses the long edge of the paper box. The long edge of the paper box can be limited by pushing the long folding limiting substrate 434 through the fourth long folding cylinder 433, and the long folding limiting substrate 434 can adjust the side distance from the long edge of the paper box through the long folding slider 435 and the long folding slide rail 436.

[0040] In another embodiment of the utility model, the short folding mechanism 5 of the multi-position folding machine for plastic boxes includes a short folding base 50, a first short folding cylinder 51, a short folding push frame 52, a short folding pressure roller 53, a second short folding cylinder 54, a short folding pressing plate 55, a third short folding cylinder 56, a short folding limiting substrate 57, a short folding slider 58 and a short folding slide rail 59, the short folding base 50 is fixedly connected to the machine 1, the first short folding cylinder 51 is fixedly connected to the short folding base 50, the short folding push frame 52 is fixedly connected to the first short folding cylinder 51, and the short folding roller 53 is fixedly connected to the first short folding cylinder 54. A short folding cylinder 51, a short folding roller 53 is rotatably connected to the short folding push frame 52, a second short folding cylinder 54 is fixedly connected to the short folding base 50, a short folding pressing plate 55 is fixedly connected to the second short folding cylinder 54, a third short folding cylinder 56 is fixedly connected to the short folding base 50, a short folding limit base plate 57 is fixedly connected to the third short folding cylinder 56, a short folding slider 58 is fixedly connected to the bottom side of the short folding limit base plate 57, and is slidably connected to the short folding slide rail 59, and the short folding slide rail 59 is fixedly connected to the machine 1. The short edge bending forming process of the paper box is as follows: during the downward movement of the paper box, the first short folding cylinder 51 drives the short folding push frame 52 and the short folding roller 53 to approach the paper box, the short edge of the paper box is pressed and contacted with the short folding roller 53, and the short folding roller 53 pre-bends the short edge of the paper box. Then, the second short folding cylinder 54 pushes the short folding pressing plate 55 to contact the short side of the paper box and press the short side of the paper box. The third short folding cylinder 56 pushes the short folding limiting substrate 57 to limit the short side of the paper box. The short folding limiting substrate 57 can adjust the side distance from the short side of the paper box through the short folding slider 58 and the short folding rail 59.

[0041] In another embodiment of the utility model, a support leg 11 and a roller 12 are fixedly connected to the bottom side of the machine platform 1 of the plastic box multi-position folding machine. The support leg 11 is used to support and fix the machine platform 1, and the roller 12 facilitates the movement of the machine platform 1.

[0042] The multi-position folding machine for plastic boxes provided in the present application has the following steps: after the paper is placed on the supporting mechanism 3, the pressing mechanism 2 presses the paper downward, and at the same time the long folding mechanism 4 bends and forms the long sides of the paper box, and at the same time the short folding mechanism 5 bends and forms the short sides of the paper box. The long and short sides of the paper box are bent and formed at the same time, which improves the forming efficiency of the paper box. The long folding roller 423 and the short folding roller 53 bend the long and short sides of the paper box respectively, which can effectively avoid scratches on the sides of the paper box, improve the bending and forming quality of the paper box, and achieve better bending and forming effects, which can meet production needs.

[0043] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A plastic box multi-position folding machine, characterized in that: It includes a machine platform, a pressing mechanism, a supporting mechanism, a long folding mechanism and a short folding mechanism. The pressing mechanism is connected to the top side of the machine platform, the supporting mechanism is passed through the machine platform, two long folding mechanisms and two short folding mechanisms are respectively arranged in parallel and opposite to each other on the machine platform, and two short folding mechanisms are arranged in parallel and opposite to each other on the machine platform. The long folding mechanism and the short folding mechanism are arranged adjacent to each other, and the supporting mechanism is arranged in the space surrounded by the long folding mechanism and the short folding mechanism.

2. A plastic box multi-position folding machine according to claim 1, characterized in that: The pressing mechanism includes a lifting component and a pressing component. The lifting component is connected to the pressing component and drives the pressing component to lift. The lifting component includes a machine base, a lifting motor, a belt, a pulley, a conveying shaft, a belt holder, a slide, a slide rail and a crossbeam. The machine base is fixedly connected to the machine platform. The lifting motor is arranged in the machine base and fixedly connected to the machine platform. The belt is fixedly wound around the lifting motor and the pulley respectively. The pulley is fixedly passed through the conveying shaft. The conveying shaft is rotatably connected to the machine base. The belt holder is fixedly connected to the belt. The slide is fixedly connected to the belt holder and the crossbeam respectively. The slide is slidably connected to the slide rail, and the slide rail is fixedly connected to the machine base.

3. A plastic box multi-position folding machine according to claim 2, characterized in that: The downward pressure assembly includes a shield, a downward pressure motor, a screw, a screw nut, a movable seat, a movable rod, a sliding seat, a downward pressure bearing and a downward pressure fixture. The shield is fixedly connected to the crossbeam, the downward pressure motor is fixedly connected to the shield, the screw is fixedly connected to the downward pressure motor, the screw nut is threadedly connected to the screw, the movable seat is fixedly connected to the movable rod, the movable rod is movably arranged in the sliding seat, the downward pressure bearing is fixedly connected to the sliding seat, the bottom end of the screw is fixedly connected to the downward pressure bearing, and the downward pressure fixture is fixedly connected to the bottom end of the movable rod.

4. A plastic box multi-position folding machine according to claim 1, characterized in that: The bearing mechanism includes a bearing seat, a bearing spring, a bearing slide bar and a workbench. The bearing seat is fixedly connected to the machine platform, the bearing spring is fixedly connected to the bearing seat, the bearing slide bar is movably arranged in the machine platform and fixedly connected to the bearing spring, and the workbench is fixedly connected to the top end of the bearing slide bar.

5. A plastic box multi-position folding machine according to claim 1, characterized in that: The long folding mechanism includes a long folding base, a long folding pre-pressing assembly and a long folding pressing assembly. The long folding pre-pressing assembly and the long folding pressing assembly are both arranged on the long folding base. The long folding pre-pressing assembly is arranged above the long folding pressing assembly. The long folding pre-pressing assembly includes a first long folding cylinder, a long folding push frame, a long folding pressure roller, a second long folding cylinder and a long folding pre-pressing plate. The first long folding cylinder is fixedly connected to the long folding base, the long folding push frame is fixedly connected to the first long folding cylinder, the long folding pressure roller is rotatably connected to the long folding push frame, the second long folding cylinder is fixedly connected to the long folding base, and the long folding pre-pressing plate is fixedly connected to the second long folding cylinder.

6. A plastic box multi-position folding machine according to claim 5, characterized in that: The long folding edge clamping assembly includes a third long folding edge cylinder, a long folding edge clamping plate, a fourth long folding edge cylinder, a long folding edge limiting substrate, a long folding edge slider and a long folding edge slide rail. The third long folding edge cylinder is fixedly connected to the long folding edge base, the long folding edge clamping plate is fixedly connected to the third long folding edge cylinder, the fourth long folding edge cylinder is fixedly connected to the long folding edge base, the long folding edge limiting substrate is fixedly connected to the fourth long folding edge cylinder, the long folding edge slider is fixedly connected to the bottom side of the long folding edge limiting substrate and is slidably connected to the long folding edge slide rail, and the long folding edge slide rail is fixedly connected to the machine table.

7. A plastic box multi-position folding machine according to claim 1, characterized in that: The short folding mechanism includes a short folding base, a first short folding cylinder, a short folding push frame, a short folding pressure roller, a second short folding cylinder, a short folding pressure plate, a third short folding cylinder, a short folding limiting substrate, a short folding slider and a short folding slide rail. The short folding base is fixedly connected to the machine platform, the first short folding cylinder is fixedly connected to the short folding base, the short folding push frame is fixedly connected to the first short folding cylinder, the short folding pressure roller is rotatably connected to the short folding push frame, the second short folding cylinder is fixedly connected to the short folding base, the short folding pressure plate is fixedly connected to the second short folding cylinder, the third short folding cylinder is fixedly connected to the short folding base, the short folding limiting substrate is fixedly connected to the third short folding cylinder, the short folding slider is fixedly connected to the bottom side of the short folding limiting substrate and is slidably connected to the short folding slide rail, and the short folding slide rail is fixedly connected to the machine platform.

8. A plastic box multi-position folding machine according to claim 1, characterized in that: The bottom side of the machine platform is fixedly connected with supporting feet and rollers.

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