Packaging box folding mechanism and boxing production line

Abstract

This invention belongs to the field of packaging box manufacturing technology and discloses a packaging box folding mechanism and a boxing production line. The packaging box folding mechanism includes a feeding rack, a folding table, a gripping component, and a folding component. The feeding rack is used to store paper sheets; the folding table is used to support the paper sheets and has a folding space; the gripping component is disposed between the feeding rack and the folding table, and is used to transport the paper sheets to the folding table and press the paper sheets into the folding space, causing the side walls of the paper sheets to bend; the folding component is used to squeeze the side walls of the paper sheets to bend part of the side walls of the paper sheets to form a packaging box. In use, this packaging box folding mechanism can automatically complete the folding operation of batch packaging boxes by sequentially operating the gripping component and the folding component, thereby reducing the degree of manual intervention, improving the automation of the folding operation, and thus improving the forming efficiency and speed of packaging boxes, so as to facilitate the subsequent boxing operation of batch products.

Description

Technical Field

[0001] This invention relates to the field of packaging box manufacturing technology, and in particular to packaging box folding mechanisms and boxing production lines. Background Technology

[0002] As the outer packaging of a product, the packaging box plays a vital role in protecting it. This is especially true for thin products like contact lenses, effectively preventing contamination from other objects and ensuring the product's proper function. The folding mechanism is one of the key pieces of equipment in packaging box production; it folds paper sheets to form packaging boxes of the appropriate shape and size.

[0003] In the prior art, the folding mechanism includes a machine base, which is used to carry paper sheets. The paper sheets are continuously conveyed to the machine base by a feeding rack. The operator holds a tool at the machine base to fold the paper sheets at a designated position, thereby folding the paper sheets into packaging boxes.

[0004] However, the above folding process relies heavily on manual operation and has a low degree of automation, resulting in low forming efficiency and slow speed in batch packaging box forming operations, which affects the efficiency of product boxing. Summary of the Invention

[0005] The purpose of this invention is to provide a packaging box folding mechanism and a boxing production line, which solves the problem that the low degree of automation in the forming process of packaging boxes in the prior art leads to low forming efficiency and slow speed, thus affecting the efficiency of product boxing.

[0006] To achieve this objective, the present invention adopts the following technical solution:

[0007] This invention provides a packaging box folding mechanism, comprising:

[0008] A feeding rack is used to store paper sheets;

[0009] A folding table for carrying paper sheets, the folding table having folding space corresponding to the paper sheets;

[0010] A material gripping assembly is disposed between the feeding rack and the folding table. The material gripping assembly is used to transport the paper sheet to the folding table and press the paper sheet into the folding space so that the side wall of the paper sheet is bent.

[0011] Folding assembly, used to compress the sidewalls of a paper sheet to bend part of the sidewalls of the paper sheet to form a packaging box.

[0012] Optionally, the material gripping assembly includes:

[0013] Material grabber rack;

[0014] The mounting bracket is rotatably connected to the material gripper.

[0015] A gripper is rotatably connected to the mounting frame and used to grip paper sheets;

[0016] A first driving component is connected to the mounting frame to drive the mounting frame closer to the feeding rack or closer to the folding table;

[0017] The second driving component is connected to the gripper to drive the gripper to rotate the paper sheet toward the folding table.

[0018] Optionally, the folding assembly includes:

[0019] Two opposing folding frames are provided, each folding frame being rotatably connected to a folding section. A folding station for accommodating the folding table is formed between the two folding sections. Each folding frame is provided with a folding drive component connected to the folding section. The folding drive component is used to drive the folding section to rotate and compress the paper sheet carried by the folding table.

[0020] Optionally, the folding assembly further includes:

[0021] Support frame;

[0022] A support block is slidably connected to a support frame, and the thickness of the support block is equal to the internal thickness of the packaging box;

[0023] A support drive is connected to the support block to drive the support block to extend into the interior of the paper sheet that is pressed into the folded space.

[0024] Optionally, the folding assembly further includes:

[0025] Glue applicator;

[0026] A glue applicator is slidably connected to the glue applicator frame, and the glue applicator is used to apply glue to the paper sheets carried on the folding table.

[0027] An adhesive application drive unit is connected to the adhesive application head to drive the adhesive application head to move relative to the folding table.

[0028] Optionally, the packaging box folding mechanism further includes:

[0029] Feeding rack, the feeding rack having a function for conveying packaging boxes;

[0030] A hot pressing assembly is provided on the feeding rack to hot press the packaging box.

[0031] Optionally, the feeding rack includes a feeding slide, the feeding slide is provided with a limiting plate, and the bottom wall of the limiting plate and the top wall of the feeding slide form a sliding space for the packaging box to slide.

[0032] Optionally, the folding assembly has a folding station, and the packaging box folding mechanism further includes:

[0033] A translation drive is connected to the folding table to drive the folding table to slide back and forth between the material gripping assembly and the folding station.

[0034] Optionally, the packaging box folding mechanism further includes:

[0035] A lifting drive unit is connected to the folding platform to drive the folding platform to lift and lower.

[0036] Secondly, the present invention also provides a cartoning production line, comprising:

[0037] The packaging box folding mechanism as described in any one of the first aspects;

[0038] A cartoning mechanism is used to feed products into packaging boxes.

[0039] The beneficial effects of this invention are:

[0040] Firstly, during the folding of the packaging box, a large number of paper sheets are arranged orderly in the feeding rack. The gripping component picks up the paper sheets sequentially. Each time the gripping component picks up a paper sheet, it places the paper sheet on the folding table and presses it down into the folding space. The side walls of the folding space compress the paper sheet, causing the side walls to bend. The folding component then further compresses the side walls of the paper sheet, causing part of the side walls to bend and form the bottom wall of the packaging box, thus folding it into a packaging box. Therefore, when using this packaging box folding mechanism, the operator only needs to place the paper sheets in batches in the feeding rack. The gripping component and the folding component operate sequentially to automatically complete the batch folding operation of the packaging boxes, thereby reducing manual intervention, improving the automation of the folding operation, and thus increasing the forming efficiency and speed of the packaging boxes, so as to facilitate the subsequent boxing operation of mass-produced products.

[0041] Secondly, when the boxing production line is in use, the box folding mechanism can automatically produce boxes in batches and can send multiple boxes to the boxing mechanism in sequence, so that multiple products can be boxed in batches through the boxing mechanism, thereby effectively improving the automation level and production efficiency of the boxing production line. Attached Figure Description

[0042] Figure 1 This is a schematic diagram of the packaging box folding mechanism in an embodiment of the present invention;

[0043] Figure 2 This is a schematic diagram of the material gripping component and folding table of the packaging box folding mechanism in an embodiment of the present invention;

[0044] Figure 3 This is a schematic diagram of the folding component and feeding rack of the packaging box folding mechanism in an embodiment of the present invention.

[0045] In the picture:

[0046] 1. Feeding rack; 11. Feeding frame; 12. Column; 13. Limiting strip; 14. Adjusting frame;

[0047] 2. Folding table; 21. Limiting part;

[0048] 3. Material gripping assembly; 31. Material gripping frame; 32. Mounting bracket; 33. Material gripping component; 34. First drive component; 35. Second drive component;

[0049] 4. Folding assembly; 41. Folding frame; 42. Folding section; 43. Folding drive component; 44. Support frame; 45. Support block; 46. Support drive component; 47. Glue applicator; 48. Glue applicator head; 49. Glue applicator drive component;

[0050] 5. Paper scraps;

[0051] 6. Feeding rack; 61. Limit plate;

[0052] 7. Hot-pressing assembly;

[0053] 8. Translation drive component; 81. Camera detection module;

[0054] 9. Lifting drive components. Detailed Implementation

[0055] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, and not all of the structures.

[0056] In the description of this invention, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0057] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0058] In the description of this embodiment, the terms "upper," "lower," "left," and "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention. In addition, the terms "first" and "second" are used only for distinction in description and have no special meaning.

[0059] This invention discloses a packaging box folding mechanism and a boxing production line.

[0060] Reference Figure 1 The packaging box folding mechanism includes a feeding rack 1, a folding table 2, a gripping assembly 3, and a folding assembly 4. The feeding rack 1 is used to store paper pieces 5; the folding table 2 is used to support the paper pieces 5 and has a folding space corresponding to the paper pieces 5; the gripping assembly 3 is disposed between the feeding rack 1 and the folding table 2, and is used to transport the paper pieces 5 to the folding table 2 and press the paper pieces 5 into the folding space so that the side walls of the paper pieces 5 are bent; the folding assembly 4 is used to squeeze the side walls of the paper pieces 5 so that part of the side walls of the paper pieces 5 are bent to form a packaging box.

[0061] Specifically, the feeding frame 1 includes a feeding frame 11 and multiple uprights 12 mounted on the feeding frame 11. The uprights 12 are fixed to the ground. The feeding frame 11 can accommodate multiple strip-shaped pieces of paper 5. The feeding frame 11 is also strip-shaped, so that the multiple pieces of paper 5 can be arranged sequentially inside the feeding frame 11 along their own thickness direction. The feeding frame 11 bends downward on the side near the folding table 2, so that the pieces of paper 5 near the folding table 2 can gradually move towards the folding table 2. A limiting strip 13 is provided above the inclined section. The limiting strip 13 is located in the middle of the feeding frame 11, and its bottom wall can slide against the top wall of the pieces of paper 5 to restrict the movement of the pieces of paper 5. The limiting strip 13 is fixed to the feeding frame 11 by an adjusting frame 14. The adjusting frame 14 includes a mounting plate, on which a screw is rotatably connected. A handle wheel is provided at the top of the screw, and an adjusting block is threaded onto the screw. The adjusting block is slidably connected to the mounting plate and is fixedly connected to the top wall of the limiting strip 13 through a connecting rod and a connecting block. In this way, the distance between the limiting strip 13 and the feeding frame 11 can be adjusted by the adjusting frame 14 so that the limiting strip 13 can be adapted to paper sheets 5 of various sizes.

[0062] The folding table 2 is positioned corresponding to the inclined section of the feeding frame 11, and can slide between different workstations or be fixed in different locations. Multiple limiting parts 21 protrude from the top wall of the folding table 2, forming a folding space between them. The depth of the folding space is the same as the required thickness of the packaging box. In this embodiment, the folding table 2 is cuboid in shape, with a limiting part 21 protruding from each of the four corners of its top wall. The inner side of each limiting part 21 is inclined to facilitate the insertion of the paper sheet 5 into the folding space.

[0063] The gripping assembly 3 is used to grip the paper piece 5 located in the inclined section of the feeding rack 1 and place the paper piece 5 in the folding table 2 with the correct orientation. The gripping assembly 3 grips the middle of the paper piece 5 and presses it down after placing it on the folding table 2, so that the middle of the paper piece 5 is squeezed, while the edge of the middle part abuts against the limiting part 21. At this time, the side wall of the paper piece 5 will bend upward, and the bottom wall of the paper piece 5 will be pressed into the folding space, thus completing the first fold. The gripping assembly 3 can then reset and grip the next paper piece 5. The folding table 2 moves into the folding assembly 4, or the folding assembly 4 moves to the folding table 2. When the folding assembly 4 is close to the folding table 2, it can squeeze the side wall of the paper piece 5, so that the side wall of the paper piece 5 continues to bend inward to form the bottom wall of the packaging box. The part that overlaps with the limiting part 21 becomes the side wall of the packaging box, thus completing the second fold of the paper piece 5. The specific bending angles on both sides can be designed according to the actual shape required for the packaging box. In this embodiment, both bending angles are 90°.

[0064] When folding the packaging box, a large number of paper pieces 5 are arranged in an orderly manner in the feeding rack 1. The gripping component 3 picks up the paper pieces 5 one by one. Each time the gripping component 3 picks up the paper piece 5, it can place the paper piece 5 on the folding table 2 and press the paper piece 5 down into the folding space. The side wall of the folding space squeezes the paper piece 5, causing the side wall of the squeezed paper piece 5 to bend. The folding component 4 can squeeze the side wall of the paper piece 5, causing part of the side wall of the paper piece 5 to bend and form the bottom wall of the packaging box, thus folding to form the packaging box. In use, the operator only needs to place the paper pieces 5 in batches in the feeding rack 1. The gripping component 3 and the folding component 4 operate in sequence to automatically complete the batch packaging box folding operation, thereby reducing the degree of manual intervention, improving the automation of the folding operation, and thus improving the forming efficiency and speed of the packaging box, so as to facilitate the subsequent batch packaging operation.

[0065] Reference Figure 2 Optionally, the material gripping assembly 3 includes a material gripping frame 31, a mounting frame 32, a material gripping component 33, a first driving component 34, and a second driving component 35. The mounting frame 32 is rotatably connected to the material gripping frame 31; the material gripping component 33 is rotatably connected to the mounting frame 32 and is used to grip the paper sheet 5; the first driving component 34 is connected to the mounting frame 32 to drive the mounting frame 32 to approach the feeding rack 1 or the folding table 2; the second driving component 35 is connected to the material gripping component 33 to drive the material gripping component 33 to rotate the paper sheet 5 toward the folding table 2.

[0066] Specifically, the gripping frame 31 is U-shaped and fixed to the ground. A first driving member 34, which is a self-rotating drive shaft, is set at the opening of the gripping component 33. The mounting frame 32 is directly mounted on this drive shaft, which can drive the mounting frame 32 to rotate between the folding table 2 and the loading frame 1. A second driving member 35, which is also a self-rotating drive shaft, is set at the end of the mounting frame 32 away from the gripping frame 31. The gripping component 33 can be set on this drive shaft. The gripping component 33 can be a suction cup or a mechanical gripper. In this embodiment, the gripping component 33 is a suction cup, which is fixed to the second driving member 35 by a fixing block. In order to improve the stability of gripping the paper sheet 5, multiple gripping components 33 can be set at intervals, such as two or three, depending on the size of the paper sheet 5. This invention does not limit this. The first driving member 34 and the second driving member 35 can also be replaced by a motor-driven shaft transmission structure, depending on the actual installation space and transmission requirements.

[0067] When transporting the paper sheet 5, first use the first driving member 34 to drive the mounting frame 32 and the material grabbing member 33 close to the feeding frame 11, then the suction cup of the material grabbing member 33 can adsorb one side of the paper sheet 5. At this time, the first driving member 34 drives the mounting frame 32 and the material grabbing frame 31 close to the folding table 2. During the approaching process, the second driving member 35 drives the material grabbing member 33 to rotate to adjust the orientation of the paper sheet 5. When the material grabbing member 33 approaches the folding table 2, the paper sheet 5 is just facing the folding space of the folding table 2. Then the first driving member 34 continues to drive the mounting frame 32 and the material grabbing member 33 to rotate, and the material grabbing member 33 can place the paper sheet 5 on the folding table 2 and then press the paper sheet 5 into the folding space, so that the side wall of the paper sheet 5 forms a corresponding bend. In this way, the orientation of the paper sheet 5 is adjusted in real time during the transportation process of the paper sheet 5, and the paper sheet 5 is immediately pressed after the paper sheet 5 is placed, so that the transportation and folding processes can be carried out continuously, reducing pauses, so as to further improve the overall working efficiency.

[0068] Referring to Figures 1 to 3 , optionally, the folding assembly 4 includes two relatively arranged folding frames 41. The folding frame 41 is rotatably connected with a folding portion 42. A folding station for accommodating the folding table 2 is formed between the two folding portions 42. The folding frame 41 is provided with a folding driving member 43 connected to the folding portion 42. The folding driving member 43 is used to drive the folding portion 42 to rotate to squeeze the paper sheet 5 carried by the folding table 2.

[0069] Specifically, the folding frame 41 has a frame structure and is fixed on the ground. A folding driving member 43 is provided on the top wall of the folding frame 41. The output end of the folding driving member 43 is fixedly provided with a folding portion 42 in the shape of "Γ". The vertical section of the folding portion 42 is connected to the folding driving member 43, and the horizontal section of the folding portion 42 is used to squeeze the side wall of the paper sheet 5. The folding driving member 43 can drive the folding portion 42 to rotate. The folding driving member 43 can be a rotating electric cylinder or a rotating air cylinder, etc. The present invention does not limit this. In order to better fold the paper sheet 5, the horizontal section of the folding portion 42 is cylindrical, and this section can also rotate itself to reduce the friction during the squeezing process. A folding station is formed between the two folding portions 42. The folding table 2 can move the paper sheet 5 into the folding station, or move the folding station to the folding table 2.

[0070] By providing two folding portions 42 to form a folding station, when the folding table 2 is at the folding station, at this time the paper sheet 5 is in a U shape, and the two folding portions 42 are located outside the two side walls of the paper sheet 5. Start the folding driving member 43 to drive the folding portion 42 to rotate, and the folding portion 42 squeezes the side wall of the paper sheet 5 so that the side wall of the paper sheet 5 forms a bend. In this way, when folding the side wall of the paper sheet 5, the two folding driving members 4 can be started successively, so that the two side walls of the paper sheet 5 are folded in sequence according to the forming order of the packaging box.

[0071] Optionally, the folding assembly 4 also includes a support frame 44, a support block 45, and a support drive member 46. The support block 45 is slidably connected to the support frame 44, and the thickness of the support block 45 is equal to the internal thickness of the packaging box; the support drive member 46 is connected to the support block 45 to drive the support block 45 to extend into the paper sheet 5 that is pressed into the folding space.

[0072] Specifically, in order to ensure the forming height of the packaging box, when the folding table 2 is in the folding position, the support block 45 will correspond to the folding space of the folding table 2. The support block 45 is slidably connected to the support frame 44, which is fixed on the ground. A linear drive module can be fixedly installed on the support frame 44 as a support drive component 46 to drive the support block 45 to slide back and forth.

[0073] By setting the support block 45, when the paper sheet 5 is folded, the support drive 46 first drives the support block 45 to extend into the paper sheet 5. Then, after the side wall of the paper sheet 5 is folded, the side wall will directly press against the support block 45 to ensure that the side wall of the paper sheet 5 will not be pressed into the packaging box and to ensure the thickness range requirement of the formed packaging box.

[0074] Optionally, the support block 45 includes a connecting part and a supporting part. The connecting part is slidably connected to the support frame 44, and the supporting part is located at the front end of the connecting part. The supporting part and the connecting part can be an integral structure. Two supporting parts can be provided at intervals. Multiple adsorption holes can be distributed on each supporting part. An adsorption channel communicating with the multiple adsorption holes is provided in the connecting part. The adsorption channel is connected to the vacuum pump.

[0075] After the sidewall of the paper sheet 5 is bent and pressed against the support, the adsorption hole can adsorb the sidewall of the paper sheet 5, thereby keeping the sidewall of the paper sheet 5 in a bent state and reducing the possibility of the sidewall of the paper sheet 5 returning to its original position.

[0076] Optionally, the folding assembly 4 also includes an adhesive applicator 47, an adhesive applicator 48, and an adhesive applicator drive 49. The adhesive applicator 47 is slidably connected to the adhesive applicator 48, and the adhesive applicator 48 is used to apply adhesive to the paper sheet 5 carried on the folding table 2; the adhesive applicator drive 49 is connected to the adhesive applicator 48 to drive the adhesive applicator 48 to move relative to the folding table 2.

[0077] Specifically, a glue applicator 47 is set at the position corresponding to the folding station. The glue applicator 47 is in the shape of an inverted U. A linear module is set on its horizontal arm as a glue applicator drive 49. The glue applicator head 48 is set on the mover of the glue applicator drive 49. The glue applicator head 48 is connected to the glue injection equipment through a hose.

[0078] By setting up the glue applicator 48, after bending one side wall of the paper sheet 5, the side wall is attracted and fixed by the adsorption hole of the support. At this time, the glue applicator drive 49 is activated, driving the glue applicator 48 to move relative to the paper sheet 5. When the glue applicator 48 passes the paper sheet 5, the glue applicator 48 can apply glue to the side wall of the paper sheet 5. Then, the other side wall of the paper sheet 5 is bent, and the overlapping part of the two side walls can be glued together under the action of the glue.

[0079] Optionally, the packaging box folding mechanism also includes a feeding rack 6 and a hot pressing assembly 7. The feeding rack 6 is used for conveying the packaging box; the hot pressing assembly 7 is disposed on the feeding rack 6 to hot press the packaging box.

[0080] Specifically, the feeding rack 6 is elongated, with one end corresponding to the folding station and the other end extending towards the boxing mechanism, which feeds the product into the packaging box. A hot-pressing assembly 7 is installed on the side of the feeding rack 6 near the folding station. The hot-pressing assembly 7 heats the passing packaging box via resistance wire and squeezes the box using pressure rollers to ensure the box's shape remains stable. A fan can also be installed within the hot-pressing assembly 7 to rapidly cool the hot-pressed packaging box.

[0081] By setting up a feeding rack 6 and a hot pressing assembly 7, when the side wall of the paper sheet 5 is bent to form a packaging box, the packaging box is fed into the feeding rack 6 for conveying. When the packaging box passes through the hot pressing assembly 7, the hot pressing assembly 7 heats the packaging box. On the one hand, it can fully melt the glue and ensure that the side wall of the packaging box forms a good connection through the glue by squeezing. On the other hand, it can also appropriately soften the packaging box and check the stability of the packaging box by squeezing to ensure that the quality of the packaging box is qualified. The packaging box that has passed through the hot pressing assembly 7 is sent to the boxing mechanism to wait for the product to be loaded.

[0082] Optionally, the feeding rack 6 includes a feeding slide, and the feeding slide is provided with a limiting plate 61. The bottom wall of the limiting plate 61 and the top wall of the feeding slide form a sliding space for the packaging box to slide.

[0083] Specifically, the feeding rack 6 adopts a non-powered transmission method, meaning it only forms a sliding space without any driving components. By forming this sliding space, as the packaging boxes pass through the hot-pressing assembly 7 in sequence, subsequent packaging boxes push the boxes within the sliding space to continuously move towards the boxing mechanism. This saves energy and improves the overall energy efficiency of the operation.

[0084] Optionally, the packaging box folding mechanism also includes a translation drive 8. The translation drive 8 is connected to the folding table 2 to drive the folding table 2 to reciprocate between the gripping assembly 3 and the folding station.

[0085] Specifically, the translation drive 8 can be a linear motion module, which is fixed on the ground. The folding table 2 is fixed on the translation drive 8, and the translation drive 8 can drive it to reciprocate. Thus, the folding station and other structures can remain in place. A material feeding station can also be set near the material gripping component 3. A camera detection module 81 can also be set at the material feeding station, with its detection end facing the folding table 2 to detect in real time whether the folding table 2 is carrying material.

[0086] By setting up the translation drive component 8, the folding table 2 can be driven to slide back and forth between the folding station and the material gripping component 3, so as to quickly drive the U-shaped paper sheet 5 into the folding station for subsequent folding. At this time, the material gripping component 3 continues to grip the new paper sheet 5, so that each structure can move in an orderly manner, thereby reducing the pause of each structure and effectively improving the overall production efficiency.

[0087] Optionally, the packaging box folding mechanism also includes a lifting drive 9. The lifting drive 9 is connected to the folding platform 2 to drive the folding platform 2 to move up and down.

[0088] Specifically, a lifting drive 9 is provided below the folding platform 2. The lifting drive 9 can be a cylinder, with its cylinder body fixed on the mover of the translation drive 8, and the piston rod fixedly connected to the bottom wall of the folding platform 2.

[0089] By setting up a lifting drive 9, the folding platform 2 can be raised and lowered. When the paper 5 is pressed into the folding space, the lifting drive 9 can extend to push the folding platform 2 and the paper 5 to form a relative movement, thereby making the relative movement speed between the paper 5 and the folding platform 2 larger, so as to ensure that the paper 5 can be smoothly pressed into the folding space.

[0090] The cartoning production line includes a cartoning mechanism and a packaging box folding mechanism as described in the above embodiment. The cartoning mechanism is used to feed the product into the packaging box.

[0091] When in use, the packaging box folding mechanism of this carton production line can automatically produce packaging boxes in batches and can send multiple packaging boxes to the cartoning mechanism in sequence, so that multiple products can be cartoned in batches through the cartoning mechanism, thereby effectively improving the automation level and production efficiency of the carton production line.

[0092] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation of the present invention. Those skilled in the art will be able to make various obvious changes, readjustments, and substitutions without departing from the scope of protection of the present invention. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. A packaging box folding mechanism, characterized in that, include: A feeding rack (1) is used to store paper sheets (5); A folding table (2) is used to carry paper pieces (5). The folding table (2) has a folding space corresponding to the paper pieces (5). Multiple limiting parts (21) are protruding on the top wall of the folding table (2). The folding space is formed between the multiple limiting parts (21). The depth of the folding space is the same as the thickness that the packaging box needs to achieve. The material gripping assembly (3) is disposed between the feeding rack (1) and the folding table (2). The material gripping assembly (3) is used to transport the paper sheet (5) to the folding table (2) and press the paper sheet (5) into the folding space so that the side wall of the paper sheet (5) is bent. Folding component (4) is used to squeeze the sidewall of paper sheet (5) so that part of the sidewall of paper sheet (5) is bent to form a packaging box; The folding component (4) includes: Support frame (44); A support block (45) is slidably connected to a support frame (44), and the thickness of the support block (45) is equal to the internal thickness of the packaging box; A support drive (46) is connected to the support block (45) to drive the support block (45) to extend into the interior of the paper sheet (5) pressed into the folding space; When the paper (5) is folded, the support block (45) is first driven by the support drive (46) to extend into the paper (5). After the side wall of the paper (5) is folded, the side wall will directly press against the support block (45).

2. The packaging box folding mechanism according to claim 1, characterized in that, The material gripping component (3) includes: Material grabber (31); Mounting bracket (32) is rotatably connected to the material gripper (31); The material gripper (33) is rotatably connected to the mounting frame (32) and is used to grip the paper sheet (5); A first driving member (34) is connected to the mounting bracket (32) to drive the mounting bracket (32) to approach the loading rack (1) or the folding table (2); The second drive member (35) is connected to the gripper (33) to drive the gripper (33) to rotate the paper sheet (5) toward the folding table (2).

3. The packaging box folding mechanism according to claim 1, characterized in that, The folding assembly (4) also includes: Two opposing folding frames (41) are provided, each folding frame (41) is rotatably connected to a folding part (42), and a folding station for accommodating the folding table (2) is formed between the two folding parts (42). The folding frame (41) is provided with a folding drive (43) connected to the folding part (42), and the folding drive (43) is used to drive the folding part (42) to rotate to squeeze the paper sheet (5) carried by the folding table (2).

4. The packaging box folding mechanism according to claim 3, characterized in that, The folding assembly (4) also includes: Glue applicator (47); A glue applicator (48) is slidably connected to the glue applicator frame (47), and the glue applicator (48) is used to apply glue to the paper sheet (5) carried on the folding table (2); An adhesive application drive (49) is connected to the adhesive application head (48) to drive the adhesive application head (48) to move relative to the folding table (2).

5. The packaging box folding mechanism according to any one of claims 1 to 4, characterized in that, The packaging box folding mechanism also includes: A feeding rack (6) having a function for conveying packaging boxes; A hot pressing assembly (7) is provided on the feeding rack (6) to hot press the packaging box.

6. The packaging box folding mechanism according to claim 5, characterized in that, The feeding rack (6) includes a feeding slide, and the feeding slide is provided with a limiting plate (61). The bottom wall of the limiting plate (61) and the top wall of the feeding slide form a sliding space for the packaging box to slide.

7. The packaging box folding mechanism according to any one of claims 1 to 4, characterized in that, The folding assembly (4) has a folding station, and the packaging box folding mechanism further includes: A translation drive (8) is connected to the folding table (2) to drive the folding table (2) to slide back and forth between the material gripping assembly (3) and the folding station.

8. The packaging box folding mechanism according to any one of claims 1 to 4, characterized in that, The packaging box folding mechanism also includes: A lifting drive (9) is connected to the folding platform (2) to drive the folding platform (2) to lift.

9. A cartoning production line, characterized in that, include: The packaging box folding mechanism as described in any one of claims 1 to 8; A cartoning mechanism is used to feed products into packaging boxes.

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