Highly adaptable wrap-around strapping machine
By introducing a combination of positioning and tension components into the wrapping machine, the problems of uneven packaging and tension adjustment of the wrapping film are solved, achieving automatic centering and stable wrapping. It is highly adaptable and suitable for multi-specification, high-dynamic, and high-precision scenarios.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-30
- Publication Date
- 2026-03-27
AI Technical Summary
Existing wrapping machines lack positioning effectiveness when packaging goods of different volumes, resulting in uneven packing tightness. Furthermore, the tension of the wrapping film is difficult to adjust automatically, and manual adjustment is complex, failing to meet the needs of scenarios with multiple specifications, high dynamics, and high precision.
The design employs a combination of positioning and tension components. Driven by hydraulic cylinders and electric push rods, it achieves automatic centering and positioning of goods and tension adjustment of the wrapping film. Combined with an elastic telescopic structure and magnetic adsorption device, it ensures stable wrapping of goods.
It achieves automatic centering and positioning of goods and stable tension adjustment of the stretch film, improving the wrapping effect, simplifying the operation process, and is highly adaptable to various specifications, high dynamics, and high precision scenarios.
Smart Images

Figure CN121404605B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of wrapping machine technology, specifically a highly adaptable wrapping machine. Background Technology
[0002] A wrap-around strapping machine is an automated packaging device whose core function is to use a circular track to drive the wrapping film to wrap goods 360° without blind spots, ultimately achieving secure, protective, and standardized packaging. However, existing wrap-around strapping machines have the following problems in use:
[0003] Traditional stretch wrapping machines lack good positioning when packing goods of different volumes, making it difficult to ensure accurate centering every time. This can lead to uneven packing tightness, requiring significant time and effort for manual adjustments and reducing work efficiency. Centering via bottom fixing can compromise packing integrity. Furthermore, the required tension of the stretch wrap varies depending on the volume of the goods. Conventional methods often require manual detection, calculation, and execution, relying on manually preset parameters and passively correcting deviations. While this approach is suitable for scenarios with simple goods specifications and stable operating conditions, it has significant limitations in scenarios requiring "multiple specifications, high dynamics, and high precision."
[0004] To address the aforementioned issues, there is an urgent need for innovative designs based on the existing wrapping and styling machine. Summary of the Invention
[0005] The purpose of this invention is to provide a highly adaptable wrapping and packaging machine to solve the problems mentioned in the background. The technical solution of this invention addresses the problem that the existing technical solutions are too simplistic and provides a solution that is significantly different from the existing technology.
[0006] To achieve the above objectives, the present invention provides the following technical solution: a highly adaptable wrapping machine, comprising a wrapping frame, wherein a mounting frame is mounted on the top of the wrapping frame via a vertical electric guide rail, a movable frame is connected to the mounting frame via a ring-shaped electric guide rail, and a wrapping film mechanism is mounted on the bottom outer side of the movable frame;
[0007] It also includes a pressing component, which is located inside the top of the packing frame. A tension component is provided on the inner side of the bottom of the movable frame. A telescopic seat is installed at the bottom of the packing frame and the ground. A telescopic column is vertically slidably connected to the top cavity of the telescopic seat by a spring. An electromagnet for magnetically attracting the telescopic column is embedded and fixed on the side wall of the top cavity of the telescopic seat. A placement plate is fixed on the top of the telescopic column. A positioning component is embedded on the top side of the placement plate.
[0008] A driving assembly is embedded in the placement plate;
[0009] A rotating assembly is arranged between the telescopic seat and the placement plate.
[0010] Preferably, the pressing assembly comprises a hydraulic cylinder fixed inside the top of the packing frame, a pressing plate connected to the bottom output end of the hydraulic cylinder, a contact plate connected to the bottom of the pressing plate through an elastic telescopic rod, a pressure sensor fixed to the bottom of the middle part of the pressing plate, and the pressing plate is located inside the annular mounting frame.
[0011] Preferably, the tension assembly comprises an electric push rod fixed horizontally in the inside cavity of the bottom of the movable frame, a mounting sleeve connected to the output end of the electric push rod, a mounting shaft embedded and rotatably arranged in the mounting sleeve, a tension roller fixed to the bottom of the mounting shaft, a guide column fixed to the top of the mounting shaft, the top of the guide column is located in a guide groove, and the guide groove is arranged on the top wall of the inside cavity of the bottom of the movable frame.
[0012] Preferably, the guide column is slidingly installed in the guide groove, and the guide groove is inclined in top view.
[0013] Preferably, the positioning assembly comprises a first screw vertically and embeddedly rotatably arranged in the top cavity outside the placement plate, a positioning seat threadedly sleeved on the first screw, a second screw rotatably installed horizontally in the top cavity of the positioning seat, and a positioning rod threadedly sleeved on the second screw.
[0014] Preferably, the positioning seat vertically and slidingly abuts in the top cavity outside the placement plate through the first screw, the positioning seat is arranged on four sides of the placement plate, the positioning rod slidingly abuts in the top cavity of the positioning seat through the second screw, the positioning rod is designed as an "L" shaped structure, and the inner end of the positioning rod is designed as an elastic telescopic structure.
[0015] Preferably, the driving assembly comprises a toothed disc rotatably embedded in the placement plate through a motor, a toothed roller engaged with the outside of the toothed disc, the toothed roller is embeddedly and vertically rotatable in the placement plate, a gear engaged with the outside of the toothed roller, the gear is rotatably embedded in the positioning seat, the top of the gear is connected with the second screw through a bevel gear set, and the thickness of the toothed roller is greater than the thickness of the gear.
[0016] Preferably, the rotating assembly comprises a rotating column mounted on the bottom of the placement plate through a bearing, the rotating column is connected with the first screw, a rotating rod slidingly installed in the bottom cavity of the rotating column, the bottom of the rotating rod is fixed to the inside protruding position of the telescopic seat, a rotating head fixed to the outside of the rotating rod, the rotating head is arranged in a rotating groove, and the rotating groove is arranged on the side wall of the bottom cavity of the rotating column.
[0017] Preferably, the rotating head is in close sliding in the rotating groove, and the rotating groove is in spiral structure.
[0018] Compared with the prior art, the present application has the following advantages:
[0019] In the present application, the positioning seats are arranged around the top of the placing plate, the first screw rods are driven to rotate by the driving assembly, and then the four positioning seats are synchronously moved inward, and the positioning rods are extended or retracted to centrally position the goods. At the same time, when the contact plate contacts and presses the top of the goods, the second screw rod is driven to rotate by the rotating assembly and the placing plate under the stress, and then the positioning seats are moved downward to retract the position, so that the wrapping area is not blocked after positioning. In this process, the positioning and retracting do not interfere with each other, on the one hand, the subsequent wrapping is centered and stable, and on the other hand, the subsequent wrapping completeness of the bottom is not affected, which greatly improves the wrapping effect, provides a basis for the transportation and protection of goods, and the overall operation is simple without complex steps, and the practicability is high.
[0020] In the present application, the height of the goods is sensed by the contact plate and the pressure sensor, and in normal use, the height of the goods is matched with the cross-sectional area of the goods to ensure the stability of the goods accumulation. Accordingly, the position of the tension roller can be adjusted according to the height, the horizontal position of the mounting sleeve, the mounting shaft and the tension roller is adjusted by the electric push rod, and the vertical inclination angle of the tension roller is synchronously adjusted by the guide column and the inclined guide groove to ensure that the wrapping film has sufficient tension. At the same time, the vertical inclination angle of the tension roller can further increase the wrapping tightness, and during the vertical wrapping process, stable tension support is provided for the entire spiral wrapping track. Further, when wrapping irregular goods, it is also helpful to further ensure the tension. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is a schematic diagram of the overall structure of the present application;
[0022] Figure 2 It is a schematic diagram of the pressing assembly structure of the present application;
[0023] Figure 3 It is a schematic diagram of the tension roller mounting structure of the present application;
[0024] Figure 4 It is a schematic diagram of the enlarged structure of A in the present application; Figure 3
[0025] Figure 5 It is a schematic diagram of the guide column and guide groove of the present application;
[0026] Figure 6 It is a schematic diagram of the internal structure of the placing plate of the present application;
[0027] Figure 7 For the amplification structure in B of the present application Figure 6 ;
[0028] Figure 8 For the amplification structure in C of the present application Figure 6 .
[0029] In the figure: 1, packing frame; 2, mounting frame; 3, movable frame; 31, winding film mechanism; 41, hydraulic cylinder; 42, pressing plate; 43, elastic telescopic rod; 44, contact plate; 45, pressure sensor; 51, electric push rod; 52, mounting sleeve; 53, mounting shaft; 54, tension roller; 55, guide column; 56, guide groove; 6, telescopic base; 7, telescopic column; 8, electromagnet; 9, placement plate; 101, first screw; 102, positioning seat; 103, second screw; 104, positioning rod; 111, toothed disc; 112, toothed roller; 113, gear; 121, rotating column; 122, rotating rod; 123, rotating head; 124, rotating groove. DETAILED DESCRIPTION
[0030] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.
[0031] Please refer to Figures 1-8 , the present application provides a technical solution: a high adaptability around type winding packing machine, including packing frame 1, the top of packing frame 1 is installed with mounting frame 2 through vertical electric guide rail, movable frame 3 is connected on mounting frame 2 through annular electric guide rail, the bottom outside of movable frame 3 is installed with winding film mechanism 31;
[0032] The bottom of packing frame 1 is installed with telescopic base 6 and ground, the telescopic column 7 is connected with telescopic base 6 through spring vertical sliding in the top cavity of telescopic base 6, the electromagnet 8 for the magnetic adsorption of telescopic column 7 is embeddedly fixed on the side wall of the top cavity of telescopic base 6, the placement plate 9 is fixed on the top of telescopic column 7, and the positioning assembly is embeddedly arranged on the top side of placement plate 9;
[0033] As one of the embodiments of the present application, the positioning assembly comprises a first screw rod 101 vertically embedded and rotatably arranged outside the top cavity of the placing plate 9, a positioning seat 102 threadedly sleeved on the first screw rod 101, a second screw rod 103 transversely and rotatably arranged in the top cavity of the positioning seat 102, and a positioning rod 104 threadedly sleeved on the second screw rod 103; the positioning seat 102 vertically and slidably abuts in the top cavity of the placing plate 9 through the first screw rod 101, the positioning seat 102 is arranged on the four sides of the placing plate 9, the positioning rod 104 slidably abuts in the top cavity of the positioning seat 102 through the second screw rod 103, the positioning rod 104 is designed as an "L" shaped structure, and the inner end of the positioning rod 104 is designed as an elastic telescopic structure.
[0034] As one of the embodiments of the present application, the driving assembly is embedded in the placing plate 9; the driving assembly comprises a toothed disc 111 rotatably arranged in the placing plate 9 through a motor, a toothed roller 112 meshing with the outside of the toothed disc 111, the toothed roller 112 being embedded and vertically rotatable in the placing plate 9, a gear wheel 113 meshing with the outside of the toothed roller 112, the gear wheel 113 being rotatably embedded in the positioning seat 102, and the top of the gear wheel 113 being connected with the second screw rod 103 through a bevel gear set, the thickness of the toothed roller 112 being greater than the thickness of the gear wheel 113.
[0035] The goods to be packed are placed on the placing plate 9 of the packing machine, the electromagnet 8 is electrified to attract and fix the telescopic column 7, so that the telescopic column 7 will not temporarily move downward, at this time the placing plate 9 can stably support the goods, the toothed disc 111 rotates under the driving of the motor, driving the toothed roller 112 meshing with the outside of the toothed disc 111 to rotate, the rotation of the toothed roller 112 drives the gear wheel 113 meshing with the outside of the toothed roller 112 to rotate, since the top of the four gear wheels 113 is connected with the second screw rod 103 through the bevel gear set, the positioning rods 104 in the four directions of the placing plate 9 simultaneously move to the center, clamping and centering the goods on the placing plate 9, since the positioning rod 104 is designed as an "L" shaped structure and the inner end of the positioning rod 104 is designed as an elastic telescopic structure, therefore when the length and width of the goods are inconsistent, the positioning rods 104 in the symmetrical directions will continue to be telescopic until the positioning rods 104 in the four directions all abut the goods, clamping and positioning the goods on the placing plate 9, under the reverse driving of the motor, the toothed disc 111 reversely rotates, driving the toothed roller 112 and the gear wheel 113 to reversely rotate, under the driving of the gear wheel 113 and the bevel gear set, the second screw rod 103 drives the positioning rod 104 to return to the initial position.
[0036] As an embodiment of the present application, the pressing assembly is arranged inside the top of the packing frame 1, the pressing assembly comprises a hydraulic cylinder 41 fixed inside the top of the packing frame 1, a pressing plate 42 connected to the bottom output end of the hydraulic cylinder 41, a contact plate 44 connected to the bottom of the pressing plate 42 through an elastic telescopic rod 43, a pressure sensor 45 fixed to the bottom of the middle part of the pressing plate 42, and the pressing plate 42 is located inside the annular mounting frame 2.
[0037] The hydraulic cylinder 41 pushes the pressing plate 42 and the contact plate 44 to move downward, the bottom of the contact plate 44 is attached to the top surface of the goods, and since the bottom of the middle part of the pressing plate 42 is fixed with the pressure sensor 45, when the contact plate 44 moves upward and contacts the goods, the top position of the goods can be sensed, and the goods are pressed by the contact plate 44.
[0038] As an embodiment of the present application, the tension assembly is arranged inside the bottom of the movable frame 3, the tension assembly comprises an electric push rod 51 fixed horizontally in the cavity inside the bottom of the movable frame 3, an installation sleeve 52 connected to the output end of the electric push rod 51, an installation shaft 53 rotatably embedded in the installation sleeve 52, a tension roller 54 fixed to the bottom of the installation shaft 53, a guide column 55 fixed to the top of the installation shaft 53, the top of the guide column 55 is located in a guide groove 56, and the guide groove 56 is arranged on the top wall of the cavity inside the bottom of the movable frame 3.
[0039] The electric push rod 51 in the cavity inside the bottom of the movable frame 3 adjusts the horizontal position of the tension roller 54 through the installation sleeve 52 and the installation shaft 53, and when the installation shaft 53 is driven to move, the guide column 55 is synchronously adjusted in the guide groove 56 to adjust the angle of the tension roller 54.
[0040] As an embodiment of the present application, the rotating assembly is arranged between the telescopic seat 6 and the placement plate 9; the rotating assembly comprises a rotating column 121 rotatably mounted on the bottom of the placement plate 9, the rotating column 121 is connected with the first screw rod 101, a rotating rod 122 is slidably mounted in the bottom cavity of the rotating column 121, the bottom of the rotating rod 122 is fixed to the inside protruding position of the telescopic seat 6, a rotating head 123 is fixed to the outside of the rotating rod 122, the rotating head 123 is arranged in a rotating groove 124, and the rotating groove 124 is arranged on the side wall of the bottom cavity of the rotating column 121.
[0041] The telescopic column 7 can be freely telescopic by the power-off of the built-in controller electromagnet 8, at this time the contact plate 44 continues to move down, the telescopic column 7 is forced to move down in the telescopic seat 6, driving the rotating column 121 to move down, the position of the rotating rod 122 is fixed, which can cooperate with the rotating head 123 and the rotating groove 124 of the spiral structure to drive the rotating column 121 and the first screw rod 101 to rotate, driving the positioning seat 102 to move down to the inside of the placing plate 9, so that the positioning rod 104 will not affect the subsequent winding.
[0042] Working principle: when using the high adaptability wrap-around type winding packing machine, first place the goods to be packed on the placing plate 9 of the packing machine, the electromagnet 8 is energized to adsorb and fix the telescopic column 7, so that the telescopic column 7 will not move down temporarily, at this time the placing plate 9 can stably support the goods, and the winding film on the winding film mechanism 31 is pulled out and fixed on the goods;
[0043] The built-in controller controls the operation of the motor, under the driving of the motor, the gear disc 111 rotates, driving the gear roller 112 meshing on the outside of the gear disc 111 to rotate, the rotation of the gear roller 112 drives the gear 113 meshing on the outside of the gear roller 112 to rotate, since the four gears 113 at the top are connected with the second screw rod 103 through the bevel gear set, the positioning rods 104 in four directions of the placing plate 9 move to the center at the same time, clamping and centering the goods on the placing plate 9, since the positioning rod 104 is designed as an "L" shaped structure, the inner end of the positioning rod 104 is designed as an elastic telescopic structure, therefore when the length and width of the goods are inconsistent, the positioning rods 104 in the symmetrical direction will continue to telescope until the positioning rods 104 in four directions all fit the goods, centering and positioning the goods on the placing plate 9, under the reverse driving of the motor, the gear disc 111 reversely rotates, driving the gear roller 112 and the gear 113 to reversely rotate, under the driving of the gear 113 and the bevel gear set, the second screw rod 103 drives the positioning rod 104 to return to the initial position;
[0044] The built-in controller controls the hydraulic cylinder 41 at the top of the packing frame 1 to push the pressing plate 42 and the contact plate 44 to move down, the bottom of the contact plate 44 fits the top surface of the goods, since the bottom of the middle of the pressing plate 42 is fixed with the pressure sensor 45, when the contact plate 44 moves up and contacts the goods, the position of the top of the goods can be sensed, the goods are pressed by the contact plate 44, the telescopic column 7 can be freely telescopic by the power-off of the built-in controller electromagnet 8, at this time the contact plate 44 continues to move down, the telescopic column 7 is forced to move down in the telescopic seat 6, driving the rotating column 121 to move down, the position of the rotating rod 122 is fixed, which can cooperate with the rotating head 123 and the rotating groove 124 of the spiral structure to drive the rotating column 121 and the first screw rod 101 to rotate, driving the positioning seat 102 to move down to the inside of the placing plate 9, so that the positioning rod 104 will not affect the subsequent winding;
[0045] According to the sensing position of the pressure sensor 45, the height of the goods is known, in most cases, the height of the goods is proportional to its cross-sectional area, and then the lateral tension position of the tension roller 54 can be adjusted according to the height, the electric push rod 51 in the bottom inner cavity of the movable frame 3 adjusts the lateral position of the tension roller 54 through the mounting sleeve 52 and the mounting shaft 53, and when the mounting shaft 53 is moved, the guide column 55 adjusts the angle of the tension roller 54 in the guide groove 56 synchronously, so as to ensure the tight winding of the subsequent wrapping film, then the built-in controller controls the downward movement of the mounting frame 2 with the vertical electric guide rail, drives the movable frame 3 through the annular electric guide rail, and realizes the circumferential winding of the goods through the wrapping film mechanism 31 and the tension roller 54, it should be noted that the vertical electric guide rail and the annular electric guide rail both adopt the existing technology of the conventional packing machine, and the present application does not make any technical improvement, which will not be described here.
[0046] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A highly adaptable wrapping machine, comprising a wrapping frame (1), wherein a mounting frame (2) is mounted on the top of the wrapping frame (1) via a vertical electric guide rail, a movable frame (3) is connected to the mounting frame (2) via a ring electric guide rail, and a wrapping film mechanism (31) is mounted on the bottom outer side of the movable frame (3). Its features are: It also includes a pressing component, which is located inside the top of the packing frame (1). A tension component is provided on the inner side of the bottom of the movable frame (3). A telescopic seat (6) is installed at the bottom of the packing frame (1) and the ground. A telescopic column (7) is vertically slidably connected in the top cavity of the telescopic seat (6) by a spring. An electromagnet (8) for magnetic adsorption of the telescopic column (7) is embedded and fixed on the side wall of the top cavity of the telescopic seat (6). A placement plate (9) is fixed on the top of the telescopic column (7). A positioning component is embedded on the top side of the placement plate (9). A drive component is embedded in the placement plate (9); A rotating assembly is disposed between the telescopic seat (6) and the placement plate (9); The positioning assembly includes a first screw (101), which is vertically embedded and rotatably disposed in the top cavity on the outer side of the placement plate (9). A positioning seat (102) is threaded on the first screw (101), and a second screw (103) is rotatably mounted in the top cavity of the positioning seat (102). A positioning rod (104) is threaded on the second screw (103). The rotating assembly includes a rotating column (121), which is mounted on the bottom of the placement plate (9) via a bearing. The rotating column (121) is connected to the first screw (101). A rotating rod (122) is slidably installed in the cavity at the bottom of the rotating column (121). The bottom of the rotating rod (122) is fixed at the inner protruding position of the telescopic seat (6). A rotating head (123) is fixed on the outer side of the rotating rod (122). The rotating head (123) is set in the rotating groove (124), which is opened at the side wall of the cavity at the bottom of the rotating column (121).
2. The highly adaptable wrapping and baling machine according to claim 1, characterized in that: The pressing assembly includes a hydraulic cylinder (41), which is fixed inside the top of the packing frame (1). The bottom output end of the hydraulic cylinder (41) is connected to a pressure plate (42). The bottom of the pressure plate (42) is connected to a contact plate (44) via an elastic telescopic rod (43). A pressure sensor (45) is fixed at the bottom of the middle part of the pressure plate (42). The pressure plate (42) is located inside the annular mounting frame (2).
3. The highly adaptable wrapping and baling machine according to claim 1, characterized in that: The tension assembly includes an electric push rod (51), which is horizontally fixed in the inner cavity at the bottom of the movable frame (3). The output end of the electric push rod (51) is connected to an installation sleeve (52). An installation shaft (53) is embedded and rotatably arranged in the installation sleeve (52). A tension roller (54) is fixed at the bottom of the installation shaft (53). A guide post (55) is fixed at the top of the installation shaft (53). The top of the guide post (55) is located in a guide groove (56). The guide groove (56) is opened at the top wall of the inner cavity at the bottom of the movable frame (3).
4. The highly adaptable wrapping and baling machine according to claim 3, characterized in that: The guide post (55) is slidably installed in the guide groove (56), which is inclined when viewed from above.
5. The highly adaptable wrapping and baling machine according to claim 4, characterized in that: The positioning seat (102) slides vertically in the top cavity of the outer side of the placement plate (9) via the first screw (101). The positioning seat (102) is set on the four sides of the placement plate (9). The positioning rod (104) slides in the top cavity of the positioning seat (102) via the second screw (103). The positioning rod (104) is designed as an "L" shaped structure. The inner end of the positioning rod (104) is designed as an elastic telescopic structure.
6. A highly adaptable wrapping and baling machine according to claim 5, characterized in that: The drive assembly includes a gear disk (111), which is mounted in the placement plate (9) by a motor. A gear roller (112) meshes with the outer side of the gear disk (111). The gear roller (112) is mounted in the placement plate (9) and rotates vertically. A gear (113) meshes with the outer side of the gear roller (112). The gear (113) is mounted in the positioning seat (102) and rotates in the positioning seat. The top of the gear (113) is connected to the second screw (103) through a bevel gear set. The thickness of the gear roller (112) is greater than the thickness of the gear (113).
7. A highly adaptable wrapping and baling machine according to claim 6, characterized in that: The rotating head (123) slides in contact with the rotating groove (124), which is distributed in a spiral structure.
Citation Information
Patent Citations
Column sealing packaging device for logistics
CN112937953A
Winding packaging device for winding film packaging
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