Paperboard folding device

Abstract

The utility model relates to the technical field of paperboard processing, in particular to a paperboard folding device which is characterized in that a placing table is arranged in the middle of a folding rack, a fixing frame is fixedly arranged at the bottom of the placing table, and the placing table is fixedly installed on the folding rack through the fixing frame; a rotating cylinder is rotatably mounted between the placing table and the folding rack, a straight gear ring is fixedly assembled on the outer wall of the rotating cylinder, the straight gear ring is engaged with a straight gear, and the straight gear is connected with a first servo motor; and two paperboard folding structures are symmetrically mounted along the middle of the rotating cylinder. According to the paperboard folding structure, the straight gear is driven to be meshed with the straight gear ring, then the rotating cylinder is driven to rotate, the angle of the paperboard folding structure can be flexibly adjusted, and the requirement for multi-angle folding of paperboards is met. Meanwhile, a servo motor IV is started to drive a bidirectional screw rod to rotate, and a positioning screw block is pushed to move through a screw transmission mechanism, so that the distance between a clamping convex plate II and a clamping concave plate II is adjusted to adapt to paperboards with different sizes.

Description

TECHNICAL FIELD

[0001] The utility model relates to paperboard processing technical field, concretely relates to a paperboard folding device. BACKGROUND

[0002] Paper and paperboard are traditional packaging materials, with large consumption and wide application range, and have certain strength, impact resistance and friction resistance. With the needs of commodity packaging for paperboard physical properties and energy saving and environmental protection, many new types of paperboard production lines have been invented in the industry. During the production process of paperboard, large paperboard needs to be folded for storage, saving space and facilitating transportation. For example, a paperboard folding machine disclosed in CN112918001A includes an operating frame, a guide plate, a support frame, a pressing piece, and a pushing piece connected to the side wall of the pressing piece. The support frame includes a stand, an adjusting piece, a first rotating shaft, and a connecting plate fixed to the first rotating shaft. A spring tube is fixed to the connecting plate. A rubber layer is provided on the connecting plate. The adjusting piece includes a first mounting tube. A first fixed tube is coaxially arranged in the first mounting tube. A second positioning block is fixed to the outer wall of the first fixed tube. A second rubber block is arranged on one side of the second positioning block. A first support frame is arranged on the other side of the second positioning block. A first stop block is fixed to the port of the first adjusting groove. A sixth spring is connected to the first stop block. A positioning frame is arranged on the inner wall of the first mounting tube. A first recess is recessed on one side of the first mounting tube. A first rubber block is arranged on the other side of the positioning frame. A first adjusting rod is rotatably connected to the positioning frame and the first rubber block. The paperboard folding machine can adjust the rotation angle of the pressing piece as needed. Chinese patent CN216100721U discloses a folding device for paperboard production. The patent technology discloses a folding device for paperboard production, which includes a workbench, a pressing plate and a pressing roller. The workbench is provided with a groove, and the groove is provided with a rotating plate. The upper surface of the rotating plate is on the same horizontal line as the upper surface of the workbench. The rotating plate is driven by a rotating mechanism and can rotate 180 degrees to fold the paperboard placed on the rotating plate. The pressing plate is longitudinally arranged above the workbench. The pressing plate is driven by a driving assembly to move up and down to press or release the paperboard. The workbench is provided with slide rods on the front and rear sides. The driving assembly can move along the slide rods to drive the pressing plate to move horizontally. The pressing roller is driven by a power assembly to roll the paperboard crease, making the folded paperboard flat. The folding device can automatically fold the paperboard and press the folded part to make it more conformable. The patent technology solves the problem of not being able to press the folded part to make it more conformable.

[0003] However, the folding crease position of the paperboard in the prior art is different, which may cause inadaptability during folding. Therefore, it is necessary to solve the problem of adjusting the folding position during folding of the paperboard in the prior art.

[0004] Therefore, the paperboard folding device provided by the person skilled in the art solves the problems raised in the background. Utility model content

[0005] To solve the above technical problems, the utility model provides:

[0006] A paperboard folding device, including: the middle part of folding frame is equipped with a placing table, and the bottom of the placing table is fixedly provided with a fixed frame, the placing table is fixedly installed on the folding frame through the fixed frame, rotating cylinders are rotatably installed between the placing table and the folding frame, the outer wall of the rotating cylinder is fixedly assembled with a straight tooth ring, the straight tooth ring is engaged with a straight gear, the straight gear is connected with a servo motor one, the rotating cylinder is symmetrically installed along the middle part with two paperboard folding structures, and the two paperboard folding structures can automatically fold the paperboard placed on the placing table.

[0007] Preferably, the paperboard folding structure comprises a clamping concave plate one and a clamping convex plate one, and the clamping concave plate one is fixedly assembled on the outer wall of the rotating cylinder.

[0008] Preferably, the clamping concave plate one and the clamping convex plate one are detachably assembled with an extension adjusting structure, and the extension adjusting structure comprises a clamping convex plate two detachably assembled on the clamping concave plate one and a clamping concave plate two detachably assembled on the clamping convex plate one.

[0009] Preferably, the outer wall of the clamping convex plate one is fixedly provided with a fixed shaft cylinder, a shaft adjusting rod is rotatably installed on the inner side of the fixed shaft cylinder, the both ends of the shaft adjusting rod are rotatably penetrated on the outer side of the fixed shaft cylinder, a folding plate is fixedly arranged, and a folding groove is formed in the folding plate.

[0010] Preferably, a transmission rod is rotatably installed on the inner side of the folding groove, one end of the transmission rod is connected with a servo motor three, the outer wall of the transmission rod is fixedly provided with two folding rods, and the folding rods are movably arranged on the inner side of the folding groove.

[0011] Preferably, the outer wall of the shaft adjusting rod is fixedly provided with a worm gear, the worm gear is engaged with a worm, one end of the worm is connected with a servo motor two, and the servo motor two is installed on the inner side of the clamping convex plate one.

[0012] Preferably, two positioning shaft plates are rotatably installed on the middle part of the clamping convex plate two and the clamping concave plate two, a positioning screw block is rotatably installed on one end of the outer side of the positioning shaft plate, a bidirectional screw rod is spirally transmitted in the positioning screw block, and one end of the bidirectional screw rod is connected with a servo motor four.

[0013] A top frame body is fixedly assembled along the outer edge of the four corners of the folding frame, a pneumatic cylinder is installed on the top frame body at the position corresponding to the placing table, a pressing block is installed on the output end of the bottom of the pneumatic cylinder, and the material of the pressing block is rubber.

[0014] A positioning shaft frame is movably arranged on the outer side of the positioning screw block, and the servo motor four is fixedly installed on the inner wall of the positioning shaft frame.

[0015] The folding machine frame bottom wall is provided with a controller.

[0016] The technical effects and advantages of the present application are as follows:

[0017] The present application drives the engagement of the straight-toothed gear and the straight-toothed ring, and further drives the rotation of the rotating cylinder, so that the paperboard folding structure can be flexibly adjusted in angle to meet the needs of paperboard multi-angle folding.

[0018] The present application drives the rotation of the worm by starting the servo motor two, and the engagement of the worm and the worm gear will drive the folding plate to rotate to the vertical state through the adjusting shaft rod, preparing for the subsequent folding operation. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 is a structural schematic view of a paperboard folding device provided by the present application;

[0020] Fig. 2 is a structural schematic view of a side surface of a paperboard folding device provided by the present application;

[0021] Fig. 3 is a structural schematic view of a rotating cylinder of a paperboard folding device provided by the present application;

[0022] Fig. 4 is a structural schematic view of a paperboard folding structure of a paperboard folding device provided by the present application;

[0023] Fig. 5 is a structural schematic view of an extension adjusting structure of a paperboard folding device provided by the present application;

[0024] Fig. 6 is a structural schematic view of a folding rod of a paperboard folding device provided by the present application;

[0025] Fig. 7 is a structural schematic view of A of a paperboard folding device provided by the present application.

[0026] In the drawings:

[0027] 1, folding machine frame;

[0028] 2, paperboard folding structure; 201, carding concave plate one; 202, carding convex plate one; 203, fixed shaft cylinder; 204, folding plate; 205, adjusting shaft rod; 206, worm gear; 207, worm; 208, servo motor two; 209, transmission rod; 210, folding rod; 211, servo motor three;

[0029] 21, extension adjustment structure; 2101, carding convex plate two; 2102, positioning shaft plate; 2103, positioning screw block; 2104, positioning shaft frame; 2105, bidirectional screw rod; 2106, servo motor four; 2107, carding concave plate two;

[0030] 3, top frame body; 4, air cylinder; 5, pressing block; 6, controller; 7, placing table; 8, fixing frame; 9, rotating cylinder; 10, straight tooth ring; 11, straight tooth gear; 12, servo motor one. DETAILED DESCRIPTION

[0031] The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the present application and its practical application, and to enable others skilled in the art to understand the present application for various embodiments with various modifications as are suited to the particular use contemplated.

[0032] Embodiments, please refer to Figs. 1-7 In this embodiment, a paperboard folding device is provided, comprising: a folding rack 1, a placing table 7 is arranged in the middle of the folding rack 1, and a fixing frame 8 is fixedly arranged at the bottom of the placing table 7, and the placing table 7 is fixedly installed on the folding rack 1 through the fixing frame 8; a rotating cylinder 9 is rotatably installed between the placing table 7 and the folding rack 1, a straight tooth ring 10 is fixedly assembled on the outer wall of the rotating cylinder 9, the straight tooth ring 10 is engaged with a straight tooth gear 11, and the straight tooth gear 11 is connected with a servo motor one 12; two paperboard folding structures 2 are symmetrically installed along the middle part of the rotating cylinder 9, and the two paperboard folding structures 2 can automatically fold the paperboard placed on the placing table 7.

[0033] The paperboard folding structure 2 comprises a carding concave plate one 201 and a carding convex plate one 202, and the carding concave plate one 201 is fixedly assembled on the outer wall of the rotating cylinder 9. A extension adjustment structure 21 is detachably assembled between the carding concave plate one 201 and the carding convex plate one 202, and the extension adjustment structure 21 comprises a carding convex plate two 2101 detachably assembled on the carding concave plate one 201 and a carding concave plate two 2107 detachably assembled on the carding convex plate one 202.

[0034] The outer wall of the clamping convex plate 202 is fixed with a fixed shaft cylinder 203, the inner side of the fixed shaft cylinder 203 is rotatably installed with an adjusting shaft rod 205, both ends of the adjusting shaft rod 205 are rotatably penetrated outside the fixed shaft cylinder 203, a folding plate 204 is fixedly arranged, and the folding plate 204 is internally provided with a folding groove. The inner side of the folding groove is rotatably installed with a transmission rod 209, one end of the transmission rod 209 is connected with a servo motor three 211, the outer wall of the transmission rod 209 is fixed with two folding rods 210, and the folding rods 210 are movably arranged inside the folding groove. The outer wall of the middle part of the adjusting shaft rod 205 is fixedly provided with a worm gear 206, the worm gear 206 engages with a worm 207, one end of the worm 207 is connected with a servo motor two 208, and the servo motor two 208 is installed inside the clamping convex plate 202.

[0035] The middle parts of the clamping convex plate two 2101 and the clamping concave plate two 2107 are rotatably installed with two positioning shaft plates 2102, one end of the outer side of the positioning shaft plate 2102 is rotatably installed with a positioning screw block 2103, the inside of the positioning screw block 2103 is spirally driven with a bidirectional screw rod 2105, one end of the bidirectional screw rod 2105 is connected with a servo motor four 2106. The outer edges of the four corners of the folding rack 1 are fixedly assembled with a top rack body 3, the top rack body 3 is installed with an air cylinder 4 at the position corresponding to the placing table 7, the bottom output end of the air cylinder 4 is installed with a pressing block 5, and the material of the pressing block 5 is rubber. The outer side of the positioning screw block 2103 is movably limited with a positioning shaft frame 2104, and the servo motor four 2106 is fixedly installed on the inner wall of the positioning shaft frame 2104. The bottom wall of the folding rack 1 is installed with a controller 6.

[0036] According to the above embodiment, the working principle in the application is:

[0037] When the paperboard is automatically folded, the paperboard is placed on the placing table 7 of the folding rack 1, and the position of the folding plate 204 is adjusted through the extension adjusting structure 21 according to the folding mark of the paperboard;

[0038] The air cylinder 4 starts to lower the pressing block 5, the lowered pressing block 5 contacts the surface of the paperboard, and the paperboard placed on the placing table 7 is positioned;

[0039] When the paperboard folding structure 2 is folded, the servo motor one 12 is started, the servo motor one 12 drives the spur gear 11, the spur gear 11 meshes with the spur ring 10, the rotating cylinder 9 is driven to rotate through the spur ring 10, and the paperboard folding structure 2 can be angle-adjusted, which is beneficial to multi-angle folding of the paperboard;

[0040] When the extension adjustment structure 21 extends and adjusts the folding plate 204, the servo motor four 2106 is started, the servo motor four 2106 drives the bidirectional screw rod 2105 to rotate, the bidirectional screw rod 2105 is screwed to drive the positioning screw block 2103 to move, the positioning screw block 2103 applies force to the positioning shaft plate 2102, and the distance between the clamping convex plate two 2101 and the clamping concave plate two 2107 can be adjusted and processed;

[0041] The servo motor two 208 is started to drive the worm 207 to rotate, the worm 207 is meshed with the worm wheel 206, the worm wheel 206 is driven to rotate, the folding plate 204 is rotated through the adjusting shaft rod 205, and the folding plate 204 can be adjusted to a vertical state.

[0042] The servo motor three 211 is started to drive the transmission rod 209 to rotate, the folding rod 210 is driven to abut against the paperboard to fold the paperboard, and automatic folding plate processing of the paperboard can be completed.

[0043] In the utility model, unless another definite provision and limitation, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two element internal communication or two element mutual action relation, unless another definite limitation, for ordinary skill in the art, can understand the specific meaning of the above-mentioned term in the utility model according to specific circumstances.

[0044] Obviously, the described embodiments are only part of the embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skill in the art and related fields without creative labor should belong to the scope of protection of the utility model. The structure, device and operation method not specifically described and explained in the utility model, if no special description and limitation, are implemented according to conventional means in the art.

Claims

1. A folding device for paperboard, characterized in that The utility model relates to a folding machine frame, including: The folding machine frame (1) middle part is equipped with the placing table (7), and the bottom fixed setting of placing table (7) is equipped with the fixed frame (8), and the placing table (7) is fixedly installed on the folding machine frame (1) through the fixed frame (8); Rotary cylinder (9) is rotatably installed between the placing table (7) and the folding machine frame (1), the outer wall of rotary cylinder (9) is fixedly equipped with a straight tooth ring (10), the straight tooth ring (10) is engaged with a straight tooth gear (11), and the straight tooth gear (11) is connected with a servo motor one (12); Two paperboard folding structures (2) are symmetrically installed along the middle part of the rotary cylinder (9), and the two paperboard folding structures (2) can automatically fold the paperboard placed on the placing table (7).

2. A paperboard folding apparatus as claimed in claim 1, characterized in that The paperboard folding structure (2) comprises a clamping concave plate one (201) and a clamping convex plate one (202), and the clamping concave plate one (201) is fixedly assembled on the outer wall of the rotary cylinder (9).

3. A paperboard folding apparatus as claimed in claim 2, characterized in that The clamping concave plate one (201) and the clamping convex plate one (202) are detachably assembled with an extension adjusting structure (21), and the extension adjusting structure (21) comprises a clamping convex plate two (2101) detachably assembled on the clamping concave plate one (201) and a clamping concave plate two (2107) detachably assembled on the clamping convex plate one (202).

4. A paperboard folding apparatus as defined in claim 3, wherein, The outer wall of the clamping convex plate one (202) is fixedly provided with a fixed shaft cylinder (203), the inner side of the fixed shaft cylinder (203) is rotatably provided with an adjusting shaft rod (205), the outer side of the fixed shaft cylinder (203) is rotatably penetrated at both ends of the adjusting shaft rod (205), a folding plate (204) is fixedly arranged, and a folding groove is formed in the folding plate (204).

5. A paperboard folding apparatus as claimed in claim 4, characterized in that The inner side of the folding groove is rotatably provided with a transmission rod (209), one end of the transmission rod (209) is connected with a servo motor three (211), the outer wall of the transmission rod (209) is fixedly provided with two folding rods (210), and the folding rods (210) are movably arranged in the inner side of the folding groove.

6. A paperboard folding apparatus as defined in claim 4, wherein, The outer wall of the adjusting shaft rod (205) is fixedly provided with a worm gear (206) in the middle part, the worm gear (206) is engaged with a worm (207), one end of the worm (207) is connected with a servo motor two (208), and the servo motor two (208) is arranged on the inner side of the clamping convex plate one (202).

7. A paperboard folding apparatus as defined in claim 3, wherein, The middle part of the clamping convex plate two (2101) and the clamping concave plate two (2107) is rotatably provided with two positioning shaft plates (2102), the outer side of the positioning shaft plate (2102) is rotatably provided with a positioning screw block (2103), the inner side of the positioning screw block (2103) is spirally provided with a bidirectional screw rod (2105), and one end of the bidirectional screw rod (2105) is connected with a servo motor four (2106).

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