Automatic carton folding device and control method thereof

Abstract

The invention relates to the technical field of carton folding devices, in particular to an automatic carton folding device and a control method thereof.The automatic carton folding device is characterized in that a linear motor is mounted at the lower end of a moving plate, a rotating plate is rotatably connected to one side of the moving plate, and a conveying belt conveys a carton needing to be folded to the lower end of a folding rod; a folding rod with a clamping part is pressed on the edge of a paperboard, meanwhile, one end of a clamping plate makes contact with the surface of a conveying belt and presses the conveying belt downwards, then a second electric push rod is started to drive a second rack to drive the clamping plate to move towards the inner side, and therefore the edge of the paperboard is clamped to the outer side of the folding rod through the clamping plate; a first driving motor is started to drive a rotating plate to rotate to fold a paperboard, a linear motor also synchronously drives a moving plate to drive the rotating plate to move to fold the paperboard into a carton, a second electric push rod drives a clamping plate to reset, a mechanical arm takes down the folded carton, and the carton folding efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of carton folding devices, in particular to an automatic carton folding device and a control method thereof. BACKGROUND

[0002] At present, high-end product fields all carry out fine packaging on products to achieve the purpose of protecting product quality from being damaged and ensuring optimal product delivery to customers. Therefore, single product packaging is increasingly used in the industry, especially in fields such as the textile industry, the chemical fiber industry, the electronics industry, and the like, which have high single product value and large quantities. Taking the fiber production industry as an example, in order to deliver products to customers in a relatively good condition, the commonly used product packaging method in the industry is mainly tray ton yarn product packaging. However, in the case of meeting different subsequent production requirements, single yarn product packaging in the form of small cartons, such as the paper carton automatic folding device disclosed in Chinese patent CN 116001355 A, is also used.

[0003] However, the small carton packaging method in the industry is mainly manual packaging, and the operation process needs to be carried out manually by unfolding and folding the carton, loading the product, and manually sealing the carton. Such manual operation is time-consuming and labor-intensive, and the labor intensity of employees is large. In particular, the process of manually unfolding and folding the carton seriously restricts the efficiency of product packaging and causes unstable packaging quality. Such manual packaging operation has been difficult to adapt to the subsequent requirements of intelligent industrial production with high efficiency and high quality. SUMMARY

[0004] The present application aims to provide an automatic carton folding device and a control method thereof to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solution: an automatic carton folding device, comprising: a moving plate, a linear motor being installed at the lower end of the moving plate, a rotating plate being rotatably connected to one side of the moving plate, the rotating plate being U-shaped, two sliding plates being slidably connected to the upper and lower sides of the inner end of the rotating plate, and a driving component being arranged between the two sliding plates for driving the sliding plates to slide on one side of the rotating plate. The outer end of the box body is provided with a strip-shaped hole, the inner end of the box body is rotatably connected with a threaded rod, the left and right ends of the threaded rod are threadedly symmetrical, the left and right ends of the threaded rod are symmetrically connected with sliding blocks in a threaded manner, the sliding blocks are convex, the convex portions of the sliding blocks slide out of the outer end of the strip-shaped hole and are fixedly installed with a sliding frame, the sliding frame is slidably connected to the outer end of the box body, and the outer end of the sliding frame is fixedly installed with folding rods, and the inner end of one of the folding rods is installed with a clamping component.

[0006] Preferably, the rotating plate is fixedly installed with a rotating shaft at the center of one end close to the moving plate, the outer end of the rotating shaft slides through the side wall of the moving plate, the one end of the rotating plate close to the moving plate is fixedly installed with a limiting ring, the one end of the moving plate close to the rotating plate is provided with a limiting groove corresponding to the limiting ring, the one end of the moving plate away from the rotating plate is fixedly installed with a driving motor one, and the output end of the driving motor one is fixedly connected with one end of the rotating shaft, and meanwhile the limiting ring slides into the limiting groove.

[0007] Preferably, the inner ends of the rotating plate are fixedly installed with guide rods on the left and right sides, one end of the connecting plate is fixed to the outer wall of the sliding plate, the other end is fixed to the outer wall of the box body, and the left and right ends of the connecting plate are provided with guide holes corresponding to the guide rods, and the guide rods pass through the guide holes.

[0008] Preferably, the driving component includes a first electric push rod fixed on one side of the middle part of the rotating plate, the output end of the first electric push rod is fixedly installed with a rotating block, the upper and lower ends of the rotating block are provided with rotating grooves, and driving rods are rotatably connected through the rotating grooves, one end of the driving rod away from the rotating block is rotatably connected with a strip-shaped plate, and the strip-shaped plate is fixedly installed on the outer side of the one end of the sliding plate away from the connecting plate.

[0009] Preferably, one end of the threaded rod passes out of the box body, one end of the box body is fixedly installed with a driving motor two, and the output end of the driving motor two is fixedly connected with one end of the threaded rod.

[0010] Preferably, the inner ends of the box body are fixedly installed with sliding rods on the upper and lower sides, and the two sliding rods are located on the upper and lower sides of the threaded rod respectively, and the sliding rods slide through the left and right end side walls of the sliding block.

[0011] Preferably, the sliding frame is U-shaped, the upper and lower end inner walls of the sliding frame are slidably connected with the upper and lower end outer walls of the box body, and the outer end of the folding rod is fixedly installed with a guide block.

[0012] Preferably, the clamping component includes a second electric push rod, one end of the second electric push rod is fixed to the inner side of the folding rod, the other end is fixedly installed with a rack one, the upper end of the rack one is meshingly connected with a plurality of gears, the gears are rotatably connected to the inner side of the folding rod, one end of each gear is meshingly connected with a rack two, and the upper end of the rack two is located on the outer side of the folding rod and is fixedly installed with a clamping plate.

[0013] Preferably, the outer end of the rack two is provided with a groove, a fixed plate is slidably connected in the groove, and the other end of the fixed plate is fixed to the side wall of the folding rod.

[0014] A control method of a carton automatic folding device, specifically comprising the following steps: S1, first, the device is fixedly installed on the folding platform of a carton production device, the conveying belt in the carton production device is located on the outer end of the folding rod on the lower side, and the conveying belt conveys the carton to be folded to the lower end of the folding rod; S2, then, the controller in the carton production device controls the electric push rod one to drive the slide plate to move, lets the folding rod with the clamping part and press in the edge of the paperboard, at the same time, the end of the clamping plate and the surface of the conveying belt contact, and it is pressed down, then the electric push rod two is started to drive the rack two with the clamping plate to move inwards, so that the clamping plate clamps the edge of the paperboard on the outside of the folding rod; S3, then, the controller starts to drive the motor one to drive the rotating plate to rotate, folds the paperboard, and the linear motor also synchronously drives the moving plate to move with the rotating plate, and folds the paperboard into a carton; S4, finally, the controller controls the electric push rod two to drive the clamping plate to reset, and at the same time, the controller drives the four folding rods to move inwards, and the mechanical arm takes down the folded carton.

[0015] Compared with the prior art, the beneficial effects of the present application are: The present application is fixedly installed on the folding platform of the carton production device, the conveying belt in the carton production device is located on the lower side of the outer end of the folding rod, the conveying belt conveys the carton to be folded to the lower end of the folding rod, the controller in the carton production device controls the electric push rod one to drive the slide plate to move, lets the folding rod with the clamping part and press in the edge of the paperboard, at the same time, the end of the clamping plate and the surface of the conveying belt contact, and it is pressed down, then the electric push rod two is started to drive the rack two with the clamping plate to move inwards, so that the clamping plate clamps the edge of the paperboard on the outside of the folding rod, the motor one is started to drive the rotating plate to rotate, folds the paperboard, and the linear motor also synchronously drives the moving plate to move with the rotating plate, and folds the paperboard into a carton, the electric push rod two drives the clamping plate to reset, and the mechanical arm takes down the folded carton, improving the folding efficiency of the carton. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the left view of the overall structure of the present application; Figure 2 It is the right view of the overall structure of the present application; Figure 3 It is a schematic view of the unfolded structure of the moving plate and the rotating plate of the present application; Figure 4 It is a schematic view of the unfolded structure of the moving plate and the rotating plate of the present application; Figure 5 It is a schematic view of the connection structure of the two slide plates of the present application; Figure 6 It is a schematic view of the structure of one end of the slide plate of the present application; Figure 7 It is a schematic view of the clamping part structure of the present application.

[0017] In the figure: 1, moving plate; 2, linear motor; 3, drive motor one; 4, limiting groove; 5, rotating plate; 6, rotating shaft; 7, limiting ring; 8, guide rod; 9, sliding plate; 10, connecting plate; 11, box body; 12, strip hole; 13, drive motor two; 14, threaded rod; 15, sliding rod; 16, sliding block; 17, sliding frame; 18, folding rod; 19, guide block; 20, strip plate; 21, electric push rod one; 22, rotating block; 23, drive rod; 24, rack one; 25, electric push rod two; 26, gear; 27, rack two; 28, clamping plate; 29, groove; 30, fixed plate; 31, baffle. DETAILED DESCRIPTION

[0018] To make the purposes, technical solutions and advantages of the embodiments of the present application clearer, 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 some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application.

[0019] Please refer to Figures 1-7 The present application provides a technical solution: a carton automatic folding device, comprising: a moving plate 1, a linear motor 2 is installed at the lower end of the moving plate 1, the linear motor 2 is fixedly installed on a folding platform of a carton production device, the moving plate 1 can be driven to move linearly by starting the linear motor 2, a rotating plate 5 is rotatably connected to one side of the moving plate 1, a rotating shaft 6 is fixedly installed at the center of one end of the rotating plate 5 close to the moving plate 1, the outer end of the rotating shaft 6 slides through the side wall of the moving plate 1, a limiting ring 7 is fixedly installed at one end of the rotating plate 5 close to the moving plate 1, a limiting groove 4 corresponding to the limiting ring 7 is formed at one end of the moving plate 1 close to the rotating plate 5, a drive motor one 3 is fixedly installed at one end of the moving plate 1 away from the rotating plate 5, the output end of the drive motor one 3 and one end of the rotating shaft 6 are fixedly connected, and at the same time, the limiting ring 7 slides into the limiting groove 4, when the drive motor one 3 is started, the rotating plate 5 is driven to rotate by the rotating shaft 6, at the same time, the limiting ring 7 rotates in the limiting groove 4, the rotating plate 5 is guided and limited, and the rotating plate 5 rotates more stably.

[0020] The rotating plate 5 is U-shaped, the inner end of the rotating plate 5 is slidably connected with the sliding plates 9 on the upper and lower sides, the inner end of the rotating plate 5 is fixedly installed with the guide rods 8 on the left and right sides, one end of the connecting plate 10 is fixed to the outer wall of the sliding plate 9, the other end is fixed to the outer wall of the box body 11, the left and right ends of the connecting plate 10 are provided with guide holes corresponding to the guide rods 8, the guide rods 8 pass through the guide holes, and the sliding plate 9 slides on the inner end of the rotating plate 5, the guide hole slides on the outer wall of the guide rod 8, and the sliding plate 9 is guided and limited.

[0021] The driving component is arranged between the two sliding plates 9 and is used for driving the sliding plate 9 to slide on one side of the rotating plate 5, the driving component comprises the electric push rod one 21 fixed to one side of the middle part of the rotating plate 5, the output end of the electric push rod one 21 is fixedly installed with the rotating block 22, the upper and lower ends of the rotating block 22 are provided with rotating grooves, and the driving rods 23 are rotatably connected through the rotating grooves, one end of the driving rod 23 away from the rotating block 22 is rotatably connected with the strip-shaped plate 20, the strip-shaped plate 20 is fixedly installed on the outer side of one end of the sliding plate 9 away from the connecting plate 10, the electric push rod one 21 can drive the rotating block 22 to move when starting, the rotating block 22 drives the driving rod 23 to move, and the other end of the driving rod 23 applies a pulling force or a pushing force to the sliding plate 9 through the strip-shaped plate 20, so that the sliding plate 9 moves on the inner side of the rotating plate 5.

[0022] The box body 11 is fixedly connected to the end of the two sliding plates 9 away from each other through the connecting plate 10, the outer end of the box body 11 is provided with a strip-shaped hole 12, the inner end of the box body 11 is rotatably connected with the threaded rod 14, the left and right ends of the threaded rod 14 are screw symmetrically arranged, one end of the threaded rod 14 penetrates out of the box body 11, one end of the box body 11 is fixedly installed with the driving motor two 13, the output end of the driving motor two 13 is fixedly connected with one end of the threaded rod 14, the driving motor two 13 is a servo motor and can drive the threaded rod 14 to rotate in opposite directions, the sliding rods 15 are fixedly installed on the upper and lower sides of the inner end of the box body 11, and the two sliding rods 15 are located on the upper and lower sides of the threaded rod 14.

[0023] The left and right ends of the threaded rod 14 are symmetrically connected with sliding blocks 16, the sliding rod 15 slides through the left and right end side walls of the sliding blocks 16, the sliding blocks 16 are convex, the convex parts of the sliding blocks 16 slide out of the outer ends of the strip-shaped holes 12 and are fixedly installed with sliding frames 17, the sliding frames 17 are slidingly connected at the outer ends of the box bodies 11, the sliding frames 17 are U-shaped, the upper and lower end inner walls of the sliding frames 17 are slidingly connected with the upper and lower end outer walls of the box bodies 11, when the driving motor two 13 drives the threaded rod 14 to rotate, the threaded rod 14 simultaneously drives the two sliding blocks 16 to move synchronously inward or outward, and the outer ends of the sliding frames 17 are fixedly installed with folding rods 18, the sliding blocks 16 can synchronously move with the folding rods 18 when the sliding blocks 16 move, the inner ends of one of the folding rods 18 are installed with clamping parts, the clamping parts are used for clamping one side of the paperboard to the outer wall of the folding rod 18, and the outer ends of the folding rods 18 are fixedly installed with guide blocks 19.

[0024] The clamping parts include an electric push rod two 25, one end of the electric push rod two 25 is fixed to the inner side of the folding rod 18, the other end is fixedly installed with a rack one 24, the rack one 24 is slidingly arranged on the inner end side wall of the folding rod 18, the rack one 24 can be driven to move by starting the electric push rod two 25, the upper end of the rack one 24 is engagedly connected with a plurality of gear wheels 26, the gear wheels 26 are rotatably connected to the inner side of the folding rod 18, when the rack one 24 moves, the gear wheels 26 are driven to rotate, one end of each of the gear wheels 26 is engagedly connected with a rack two 27, the upper end of the rack two 27 is located at the outer side of the folding rod 18 and is fixedly installed with a clamping plate 28, the outer end of the rack two 27 is provided with a groove 29, the groove 29 is slidingly connected with a fixed plate 30, the other end of the fixed plate 30 is fixed to the side wall of the folding rod 18, so that the rack two 27 can slide under the limitation of the fixed plate 30, and the gear wheels 26 drive the rack two 27 to move with the clamping plate 28 when the gear wheels 26 rotate in place.

[0025] One side of the device is provided with a baffle 31, the baffle 31 is L-shaped, the outer end of the baffle 31 is connected with a driving part, the baffle 31 can be driven to be close to one side of the folded carton by the driving part, and the rear baffle of the folded carton is folded into a shape.

[0026] In actual use, the device is fixedly installed on the folding platform of the carton production device, the conveying belt in the carton production device is located below the outer end of the folding rod 18, the conveying belt conveys the carton to be folded to the lower end of the folding rod 18, the controller in the carton production device controls the electric push rod one 21 to drive the sliding plate 9 to move, so that the folding rod 18 with the clamping part and the edge of the paperboard are pressed, one end of the clamping plate 28 and the surface of the conveying belt are in contact, and the clamping plate 28 is pressed downward, then the electric push rod two 25 is started to drive the rack two 27 to move inward with the clamping plate 28, so that the clamping plate 28 clamps the edge of the paperboard on the outer side of the folding rod 18, the controller starts the driving motor one 3 to drive the rotating plate 5 to rotate, the paperboard is folded, the linear motor 2 also synchronously drives the moving plate 1 to move with the rotating plate 5, the paperboard is folded into a carton, the controller controls the electric push rod two 25 to drive the clamping plate 28 to reset, and the controller drives the four folding rods 18 to move inward at the same time, the mechanical arm takes down the folded carton, then the device resets and repeats the above-mentioned actions, and the carton is continuously folded.

[0027] The above merely provides the preferred embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent replacements or changes within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

[0028] It should be noted that the relative terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between the entities or operations. Moreover, the term "comprises", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

Claims

1. An apparatus for automatically folding cartons, comprising: A movable plate (1) is provided with a linear motor (2) installed at the lower end of the movable plate (1). The movable plate (1) is rotatably connected to a rotating plate (5) on one side. The rotating plate (5) is U-shaped. The upper and lower sides of the inner end of the rotating plate (5) are slidably connected to a sliding plate (9). A driving component is provided between the two sliding plates (9) to drive the sliding plate (9) to slide on one side of the rotating plate (5). Two sliding plates (9) are fixedly connected to a box body (11) at their far ends via a connecting plate (10). The outer end of the box body (11) has a strip hole (12). The inner end of the box body (11) is rotatably connected to a threaded rod (14). The threads on the left and right ends of the threaded rod (14) are symmetrically arranged, and the left and right ends of the threaded rod (14) are symmetrically connected to a slider (16). The slider (16) is convex. The protruding part of the slider (16) slides through the outer end of the strip hole (12) and is fixedly installed with a sliding frame (17). The sliding frame (17) is slidably connected to the outer end of the box body (11), and a folding rod (18) is fixedly installed on the outer end of the sliding frame (17). A clamping component is installed on the inner end of one of the folding rods (18).

2. The carton auto-folding apparatus according to claim 1, wherein: A rotating shaft (6) is fixedly installed at the center of the rotating plate (5) near the moving plate (1). The outer end of the rotating shaft (6) slides through the side wall of the moving plate (1). A limiting ring (7) is fixedly installed at the end of the rotating plate (5) near the moving plate (1). A limiting groove (4) corresponding to the limiting ring (7) is opened at the end of the moving plate (1) near the rotating plate (5). A drive motor (3) is fixedly installed at the end of the moving plate (1) away from the rotating plate (5). The output end of the drive motor (3) is fixedly connected to one end of the rotating shaft (6). At the same time, the limiting ring (7) slides into the limiting groove (4).

3. The carton auto-folding apparatus of claim 1, wherein: Guide rods (8) are fixedly installed on both the left and right sides of the inner end of the rotating plate (5). One end of the connecting plate (10) is fixed to the outer wall of the slide plate (9), and the other end is fixed to the outer wall of the box (11). Guide holes for the corresponding guide rods (8) are opened on both the left and right ends of the connecting plate (10), and the guide rods (8) pass through the guide holes.

4. The carton auto-folding apparatus of claim 1, wherein: The driving component includes an electric push rod (21) fixed on one side of the middle part of the rotating plate (5). A rotating block (22) is fixedly installed at the output end of the electric push rod (21). Both the upper and lower ends of the rotating block (22) are provided with rotating grooves, and a driving rod (23) is rotatably connected through the rotating grooves. A strip plate (20) is rotatably connected to the end of the driving rod (23) away from the rotating block (22). The strip plate (20) is fixedly installed on the outer side of the end of the sliding plate (9) away from the connecting plate (10).

5. The carton auto-folding apparatus according to claim 1, wherein: One end of the threaded rod (14) extends out of the box (11), and a second drive motor (13) is fixedly installed at one end of the box (11). The output end of the second drive motor (13) is fixedly connected to one end of the threaded rod (14).

6. The carton auto-folding apparatus of claim 1, wherein: The box body (11) has two slide rods (15) fixedly installed on the upper and lower sides of the inner end. The two slide rods (15) are located on the upper and lower sides of the threaded rod (14) respectively. The slide rods (15) slide through the left and right side walls of the slider (16).

7. The carton auto-folding apparatus of claim 1, wherein: The sliding frame (17) is U-shaped, the upper and lower end inner walls of the sliding frame (17) are slidably connected with the upper and lower end outer walls of the box body (11), and the outer end of the folding rod (18) is fixedly provided with a guide block (19).

8. The carton auto-folding apparatus of claim 1, wherein: The clamping component comprises a second electric push rod (25), one end of the second electric push rod (25) is fixed to the inner side of the folding rod (18), the other end is fixedly provided with a rack (24), the upper end of the rack (24) is engagedly connected with a plurality of gear wheels (26), the gear wheels (26) are rotatably connected to the inner side of the folding rod (18), and the upper end of each gear wheel (26) is engagedly connected with a second rack (27), the upper end of the second rack (27) is located on the outer side of the folding rod (18) and is fixedly provided with a clamping plate (28).

9. The carton auto-folding apparatus of claim 8, wherein: The outer end of the second rack (27) is provided with a groove (29), the groove (29) is slidably connected with a fixed plate (30), and the other end of the fixed plate (30) is fixed to the side wall of the folding rod (18).

10. A method of controlling a carton auto-folding apparatus as claimed in any one of claims 1 to 9, characterized in that: Specifically, the following steps are included: S1, first, the device is fixedly installed on the folding platform of the carton production device, the conveying belt in the carton production device is located below the outer end of the folding rod (18), and the conveying belt conveys the carton to be folded to the lower end of the folding rod (18); S2, then, the controller in the carton production device controls the first electric push rod (21) to drive the sliding plate (9) to move, so that the folding rod (18) provided with the clamping component and the edge of the paperboard are pressed, one end of the clamping plate (28) is in contact with the surface of the conveying belt, the clamping plate (28) is pressed downward, then the second electric push rod (25) is started to drive the second rack (27) to move inward with the clamping plate (28), so that the clamping plate (28) clamps the edge of the paperboard on the outer side of the folding rod (18); S3, then, the controller starts the first driving motor (3) to drive the rotating plate (5) to rotate, and the linear motor (2) also synchronously drives the moving plate (1) to move with the rotating plate (5), so as to fold the paperboard into a carton; S4, finally, the controller controls the second electric push rod (25) to drive the clamping plate (28) to reset, and the controller drives the four folding rods (18) to move inward, and the mechanical arm takes down the folded carton.

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