Packaging box paperboard folding machine

Abstract

The utility model discloses a packing box paperboard folding machine, which relates to the field of packing box paperboard production and processing and comprises a base, a support frame fixedly connected to the upper end of the base, a first folding plate fixedly connected to the upper end of the support frame, support columns symmetrically and fixedly connected to the upper end of the base, and a mounting plate fixedly connected to the upper ends of the support columns. A first fixing seat and a second fixing seat are fixedly connected to the upper end of the mounting plate, a driving motor is mounted at one end of the first fixing seat, a rotating column is fixedly connected to the output end of the driving motor, a second turnover plate is fixedly connected to the outer side wall of the rotating column, and moving blocks are symmetrically and slidably connected to the upper ends of the first turnover plate and the second turnover plate; a clamping assembly is installed at the upper end of the moving block. By the adoption of the structure, the corrugated board feeding device can easily adapt to corrugated boards of different sizes and shapes, the flexibility and universality of equipment are greatly improved, the downtime caused by paperboard specification replacement is shortened, the continuous and efficient production process can be easily achieved, and the overall production efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the field of packaging box cardboard production and processing, in particular to a packaging box cardboard folding machine. Background Art

[0002] Packing box cardboard is a material widely used in the packaging industry. It has many characteristics and uses. Cardboard can provide good cushioning and support, protecting items from external damage during transportation and storage, such as collision, extrusion, friction, etc. In addition, cardboard packaging makes the transportation of items more convenient, reduces the damage rate of items during transportation, and reduces the physical burden during transportation. Packing box cardboard folding machine, also known as carton folding machine or box folding machine, is an automated packaging equipment, mainly used to fold and package flat carton cardboard into a three-dimensional shape.

[0003] Announcement No. "CN215478773U" A corrugated cardboard folding mechanism, including a bottom plate, a first fixed plate, a second fixed plate, a third fixed plate, a first mounting seat, a second mounting seat, a first folding plate, and a second folding plate, wherein the first fixed plate is fixedly connected to the front surface of the upper end of the bottom plate, the first fixed plate is fixedly connected to the four corners of the upper surface of the first fixed plate, and the upper end of the support column is fixedly connected to the second fixed plate. A first mounting seat is placed on one side of the second fixed plate, the upper end of the first mounting seat is fixedly connected to a mounting groove, a connecting rod is fixedly connected in the mounting groove, a limited clamping plate is movably sleeved on the connecting rod, one end of the second fixed plate is fixedly connected to the second mounting seat, the positions of the first mounting seat and the second mounting seat are in a corresponding relationship with each other, so that the four corners of the corrugated cardboard are fixed in the block, which can prevent the corrugated cardboard from shifting when folding, causing inconvenience when folding the corrugated cardboard, and reducing the waste of manpower.

[0004] Although the above utility model fixes the four corners of the corrugated cardboard in the stoppers, which can prevent the corrugated cardboard from shifting during folding, causing inconvenience when folding the corrugated cardboard and reducing waste of manpower, since the stoppers and the buckles are located at the chamfers of the first folding plate and the second folding plate, the folding machine can only fix corrugated cardboard of a fixed size, which limits the flexibility of the folding machine when processing cardboards of different sizes. For a production line that needs to package products of various specifications, multiple folding machines of different specifications may be required or the equipment may be adjusted frequently, increasing production costs and complexity. Utility Model Content

[0005] In view of the problems mentioned in the background art, the purpose of the present utility model is to provide a folding machine for packaging box cardboard, so as to solve the problem that the folding machine can only fix corrugated cardboard of a fixed size, which limits the flexibility of the folding machine when processing cardboard of different sizes. For a production line that needs to package products of various specifications, multiple folding machines of different specifications may be required or the equipment needs to be adjusted frequently, increasing the production cost and complexity.

[0006] The above technical purpose of the present utility model is achieved through the following technical solutions:

[0007] The folding machine for packaging box cardboard includes a base. A support frame is fixedly connected to the upper end of the base. A first folding plate is fixedly connected to the upper end of the support frame. Support columns are symmetrically and fixedly connected to the upper end of the base. An installation plate is fixedly connected to the upper end of the support column. A first fixing seat and a second fixing seat are respectively fixedly connected to the upper end of the installation plate. A driving motor is installed at one end of the first fixing seat. The output end of the driving motor penetrates through the first fixing seat and is fixedly connected to a rotating column. The other end of the rotating column is rotatably connected to the second fixing seat. A second folding plate is fixedly connected to the outer side wall of the rotating column. Moving blocks are symmetrically and slidably connected to the upper ends of the first folding plate and the second folding plate. A clamping assembly is installed at the upper end of the moving block;

[0008] The clamping assembly includes an L-shaped block, a clamping plate, a first return spring, a connecting column, a pulling column and a receiving groove. An L-shaped block is fixedly connected to the upper end of the moving block. A receiving groove is opened at the upper end of the L-shaped block. A first return spring is fixedly connected to the end of the L-shaped block away from the receiving groove. The other end of the first return spring is fixedly connected to the clamping plate. A connecting column is fixedly connected to the upper end of the clamping plate. The end of the connecting column away from the clamping plate extends into the interior of the receiving groove and is fixedly connected to a pulling column. The first return spring is sleeved on the outer side of the connecting column. T-shaped grooves are symmetrically opened at the upper ends of the first folding plate and the second folding plate. A T-shaped block is fixedly connected to the bottom end of the moving block. The T-shaped block is slidably connected to the T-shaped groove, which can easily adapt to corrugated cardboard of different sizes and shapes, greatly improving the flexibility and versatility of the equipment, and reducing the downtime caused by changing the cardboard specifications, contributing to realizing a continuous and efficient production process and improving the overall production efficiency.

[0009] As a preferred technical solution, an anti-slip pad is fixedly connected to the bottom end of the clamping plate. Anti-slip bumps are provided on the surface of the anti-slip pad. The material of the clamping plate is soft rubber, which can improve the friction with the corrugated cardboard, so as to ensure that the cardboard can be firmly clamped during the folding process and will not slip due to machine vibration or the weight of the cardboard itself.

[0010] As a preferred technical solution, rotating blocks are symmetrically and fixedly connected to the upper end of the first fixing seat. The opposite ends of the rotating blocks are rotatably connected to limiting blocks. The bottom ends of the limiting blocks are fixedly connected with clamping plates. Fixing components are symmetrically installed inside the limiting blocks, which can ensure that the corrugated cardboard folds along a predetermined trajectory and angle during the folding process, thus greatly improving the folding accuracy of the cardboard.

[0011] As a preferred technical solution, the fixing component includes a cavity, a second return spring, a moving plate and a locking block. Cavities are symmetrically opened inside the limiting blocks. One end inside the cavity is fixedly connected with the second return spring. The other end of the second return spring is fixedly connected with the moving plate. The moving plate is slidably connected to the inside of the cavity. The end of the moving plate away from the second return spring is fixedly connected with the locking block. The end of the locking block away from the moving plate extends out of the side end of the limiting block. The bottom end of the locking block is set as an inclined surface. The upper end of the second fixing seat is fixedly connected with a concave block. The limiting block is inserted into the concave block. Locking grooves are symmetrically opened inside the concave block. The locking grooves are clamped with the locking blocks. An unlocking block is slidably connected inside the locking groove. The end of the unlocking block away from the locking block extends out of the outer side wall of the concave block. Sliding grooves are symmetrically opened at both ends inside the locking groove. Sliders are symmetrically and fixedly connected to both ends of the unlocking block. The sliders are slidably connected to the sliding grooves, which facilitates the fixation and disassembly of the limiting block and the clamping plate by the operator and improves the production efficiency.

[0012] In summary, the main beneficial effects of the present utility model are as follows:

[0013] First, in the present utility model, first place the packaging box cardboard on the first folding plate and the second folding plate, and then pull up the pull column, so that the connecting column drives the clamping plate to move upward. The clamping plate presses against the first return spring, and the first return spring is compressed. Then pull the L-shaped block to move the moving block on the first folding plate and move the clamping plate above the packaging box cardboard. Release the pull column, and the first return spring resets, and the clamping plate rebounds to clamp and fix the packaging box cardboard. It can easily adapt to corrugated cardboard of different sizes and shapes, greatly improving the flexibility and versatility of the equipment, and reducing the downtime caused by changing the cardboard specifications, which helps to achieve a continuous and efficient production process and improves the overall production efficiency;

[0014] Second, in the present utility model, first place the packaging box cardboard on the first folding plate and the second folding plate, and then flip the limiting block so that the limiting block is inserted into the groove. During the insertion process, the extrusion force presses on the inclined surface at one end of the locking block, causing the locking block to drive the moving plate to compress the second return spring. At the same time, the locking block retracts into the cavity. Then, when the locking block moves to the locking groove, the second return spring resets, and the moving plate rebounds to drive the locking block to pop out. The locking block is engaged and fixed with the locking groove to complete the fixation of the limiting block, and play a limiting role on the part where the corrugated cardboard is folded, ensuring that the corrugated cardboard folds along the predetermined trajectory and angle during the folding process, thus greatly improving the folding accuracy of the cardboard. Description of the Drawings

[0015] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0016] Figure 2 is of the present utility model Figure 1 Enlarged view of part A;

[0017] Figure 3 is of the present utility model Figure 1 Enlarged view of part B;

[0018] Figure 4 is a three-dimensional sectional structural schematic diagram of the clamping assembly of the present utility model;

[0019] Figure 5 is a three-dimensional sectional structural schematic diagram of the fixing assembly of the present utility model.

[0020] Reference numerals: 1, base; 2, support frame; 3, support column; 4, mounting plate; 5, first folding plate; 6, second folding plate; 7, first fixing seat; 8, second fixing seat; 9, rotating column; 10, driving motor; 11, moving block; 12, T-shaped block; 13, T-shaped groove; 14, clamping assembly; 141, L-shaped block; 142, clamping plate; 143, first return spring; 144, connecting column; 145, pulling column; 146, receiving groove; 15, anti-slip pad; 16, rotating block; 17, limiting block; 18, clamping plate; 19, concave block; 20, fixing assembly; 201, cavity; 202, second return spring; 203, moving plate; 204, locking block; 21, locking groove; 22, unlocking block; 23, slider; 24, sliding groove. Detailed Description of the Embodiment

[0021] Embodiment

[0022] Refer to Figures 1 to 5, the folding machine for the cardboard of the packaging box in this embodiment includes a base 1. A support frame 2 is fixedly connected to the upper end of the base 1. A first folding plate 5 is fixedly connected to the upper end of the support frame 2. Support columns 3 are symmetrically and fixedly connected to the upper end of the base 1. An installation plate 4 is fixedly connected to the upper end of the support column 3. A first fixed seat 7 and a second fixed seat 8 are respectively fixedly connected to the upper end of the installation plate 4. A driving motor 10 is installed at one end of the first fixed seat 7. The output end of the driving motor 10 penetrates through the first fixed seat 7 and is fixedly connected to a rotating column 9. The other end of the rotating column 9 is rotatably connected to the second fixed seat 8. A second folding plate 6 is fixedly connected to the outer side wall of the rotating column 9. Moving blocks 11 are symmetrically and slidably connected to the upper ends of the first folding plate 5 and the second folding plate 6. A clamping assembly 14 is installed at the upper end of the moving block 11;

[0023] The clamping assembly 14 includes an L-shaped block 141, a clamping plate 142, a first return spring 143, a connecting column 144, a pulling column 145 and a receiving groove 146. An L-shaped block 141 is fixedly connected to the upper end of the moving block 11. A receiving groove 146 is opened at the upper end of the L-shaped block 141. A first return spring 143 is fixedly connected to one end of the L-shaped block 141 away from the receiving groove 146. The other end of the first return spring 143 is fixedly connected to a clamping plate 142. A connecting column 144 is fixedly connected to the upper end of the clamping plate 142. The end of the connecting column 144 away from the clamping plate 142 extends into the interior of the receiving groove 146 and is fixedly connected to a pulling column 145. The first return spring 143 is sleeved on the outer side of the connecting column 144. First, place the cardboard of the packaging box on the first folding plate 5 and the second folding plate 6, and then pull up the pulling column 145 to make the connecting column 144 drive the clamping plate 142 to move upward. The clamping plate 142 presses against the first return spring 143, and the first return spring 143 is compressed. Then pull the L-shaped block 141 to move the clamping plate 142 above the cardboard of the packaging box, and release the pulling column 145. The first return spring 143 resets, and the clamping plate 142 rebounds to clamp and fix the cardboard of the packaging box.

[0024] Reference Figure 4 , T-shaped grooves 13 are symmetrically opened at the upper ends of the first folding plate 5 and the second folding plate 6. A T-shaped block 12 is fixedly connected to the bottom end of the moving block 11. The T-shaped block 12 is slidably connected to the T-shaped groove 13. When pulling the L-shaped block 141, the T-shaped block 12 at the bottom end of the moving block 11 slides inside the T-shaped groove 13.

[0025] Reference Figure 4 , an anti-slip pad 15 is fixedly connected to the bottom end of the clamping plate 142. Anti-slip bumps are provided on the surface of the anti-slip pad 15. The material of the clamping plate 142 is soft rubber. By providing the anti-slip pad 15, the friction with the corrugated cardboard can be increased, so as to ensure that the cardboard can be firmly clamped during the folding process and will not slip due to machine vibration or the weight of the cardboard itself.

[0026] Reference Figures 2 to 3, on the upper end of the first fixing seat 7, rotating blocks 16 are symmetrically and fixedly connected. The opposite ends of the rotating blocks 16 are rotatably connected with limiting blocks 17. The bottom ends of the limiting blocks 17 are fixedly connected with clamping plates 18. Fixed components 20 are symmetrically installed inside the limiting blocks 17. By providing the limiting blocks 17 and the clamping plates 18, when folding the corrugated cardboard, the clamping plate 18 can apply a pressure to the corrugated cardboard to limit the folded part of the corrugated cardboard.

[0027] Reference Figure 5 , the fixed component 20 includes a cavity 201, a second return spring 202, a moving plate 203 and a locking block 204. Cavities 201 are symmetrically opened inside the limiting blocks 17. One end inside the cavity 201 is fixedly connected with the second return spring 202. The other end of the second return spring 202 is fixedly connected with the moving plate 203. The moving plate 203 is slidably connected with the inside of the cavity 201. One end of the moving plate 203 away from the second return spring 202 is fixedly connected with the locking block 204. The end of the locking block 204 away from the moving plate 203 extends to the side end of the limiting block 17. The bottom end of the locking block 204 is provided with an inclined surface. The upper end of the second fixing seat 8 is fixedly connected with a concave block 19. The limiting block 17 is inserted into the concave block 19. Locking grooves 21 are symmetrically opened inside the concave block 19. The locking grooves 21 are clamped with the locking blocks 204. First, place the packaging box cardboard on the first folding plate 5 and the second folding plate 6, and then flip the limiting block 17 to insert the limiting block 17 into the groove. During the insertion process, the extrusion force presses the inclined surface at one end of the locking block 204, causing the locking block 204 to drive the moving plate 203 to compress the second return spring 202. At the same time, the locking block 204 retracts into the cavity 201. Then when the locking block 204 moves to the locking groove 21, the second return spring 202 resets, and the moving plate 203 rebounds to drive the locking block 204 to pop out, and the locking block 204 is clamped and fixed with the locking groove 21 to complete the fixation of the limiting block 17.

[0028] Reference Figure 5 , an unlocking block 22 is slidably connected inside the locking groove 21. The end of the unlocking block 22 away from the locking block 204 extends to the outer side wall of the concave block 19. Sliding grooves 24 are symmetrically opened at both ends inside the locking groove 21. Sliders 23 are symmetrically fixedly connected to both ends of the unlocking block 22. The sliders 23 are slidably connected with the sliding grooves 24. Push the unlocking block 22 to make the unlocking block 22 slide inside the locking groove 21. At the same time, the sliders 23 slide inside the sliding grooves 24. The unlocking block 22 pushes the locking block 204 to make the locking block 204 drive the moving plate 203 to compress the second return spring 202. At the same time, the locking block 204 retracts into the cavity 201, and the clamping connection between the locking block 204 and the locking groove 21 ends. Then flip the limiting block 17 to end the insertion of the limiting block 17 into the concave block 19 and end the fixation of the limiting block 17.

[0029] Principle of use and advantages: First, place the packaging box cardboard on the first folding plate 5 and the second folding plate 6. Then, pull up the pull column 145, so that the connecting column 144 drives the clamping plate 142 to move upward. The clamping plate 142 presses against the first return spring 143, and the first return spring 143 is compressed. Then, pull the L-shaped block 141 to move the moving block 11 on the first folding plate 5, move the clamping plate 142 above the packaging box cardboard, release the pull column 145, the first return spring 143 resets, and the clamping plate 142 rebounds to clamp and fix the packaging box cardboard. Then, flip the limit block 17 so that the limit block 17 is inserted into the groove. During the insertion process, the extrusion force presses against the inclined surface at one end of the locking block 204, causing the locking block 204 to drive the moving plate 203 to compress the second return spring 202. At the same time, the locking block 204 retracts into the cavity 201. Then, when the locking block 204 moves to the locking groove 21, the second return spring 202 resets, and the moving plate 203 rebounds to drive the locking block 204 to pop out. The locking block 204 is clamped and fixed with the locking groove 21 to complete the fixation of the limit block 17. Finally, start the drive motor 10 to control the rotating column 9 to drive the second folding plate 6 to fold;

[0030] The utility model can easily adapt to corrugated cardboard of different sizes and shapes, greatly improving the flexibility and versatility of the equipment. Moreover, it reduces the downtime caused by changing the cardboard specifications, helps to achieve a continuous and efficient production process, and improves the overall production efficiency.

Claims

1. The folding machine for the cardboard of the packaging box, including a base (1), is characterized in that: A support frame (2) is fixedly connected to the upper end of the base (1). A first folding plate (5) is fixedly connected to the upper end of the support frame (2). Support columns (3) are symmetrically and fixedly connected to the upper end of the base (1). An installation plate (4) is fixedly connected to the upper end of the support column (3). A first fixed seat (7) and a second fixed seat (8) are respectively fixedly connected to the upper end of the installation plate (4). A driving motor (10) is installed at one end of the first fixed seat (7). The output end of the driving motor (10) penetrates through the first fixed seat (7) and is fixedly connected to a rotating column (9). The other end of the rotating column (9) is rotatably connected to the second fixed seat (8). A second folding plate (6) is fixedly connected to the outer side wall of the rotating column (9). Moving blocks (11) are symmetrically and slidably connected to the upper ends of the first folding plate (5) and the second folding plate (6). A clamping assembly (14) is installed at the upper end of the moving block (11). The clamping assembly (14) includes an L-shaped block (141), a clamping plate (142), a first return spring (143), a connecting column (144), a pulling column (145), and a receiving groove (146). An L-shaped block (141) is fixedly connected to the upper end of the moving block (11). A receiving groove (146) is formed in the upper end of the L-shaped block (141). A first return spring (143) is fixedly connected to one end of the L-shaped block (141) away from the receiving groove (146). The other end of the first return spring (143) is fixedly connected to a clamping plate (142). A connecting column (144) is fixedly connected to the upper end of the clamping plate (142). The end of the connecting column (144) away from the clamping plate (142) extends into the interior of the receiving groove (146) and is fixedly connected to a pulling column (145). The first return spring (143) is sleeved on the outer side of the connecting column (144).

2. The cardboard folding machine for packaging boxes according to claim 1, wherein: T-shaped grooves (13) are symmetrically formed in the upper ends of the first folding plate (5) and the second folding plate (6). A T-shaped block (12) is fixedly connected to the bottom end of the moving block (11). The T-shaped block (12) is slidably connected to the T-shaped groove (13).

3. The folding machine for the cardboard of the packaging box according to claim 1, wherein: An anti-slip pad (15) is fixedly connected to the bottom end of the clamping plate (142). Anti-slip bumps are provided on the surface of the anti-slip pad (15). The clamping plate (142) is made of soft rubber.

4. The folding machine for packaging box cardboard according to claim 1, wherein: Rotating blocks (16) are symmetrically and fixedly connected to the upper end of the first fixed seat (7). A limiting block (17) is rotatably connected to the opposite ends of the rotating blocks (16). A clamping plate (18) is fixedly connected to the bottom end of the limiting block (17). Fixing components (20) are symmetrically installed inside the limiting block (17).

5. The folding machine for the carton board according to claim 4, wherein: The fixing component (20) includes a cavity (201), a second return spring (202), a moving plate (203) and a locking block (204). The cavity (201) is symmetrically formed inside the limiting block (17). One end inside the cavity (201) is fixedly connected to the second return spring (202). The other end of the second return spring (202) is fixedly connected to the moving plate (203). The moving plate (203) is slidably connected to the inside of the cavity (201). One end of the moving plate (203) away from the second return spring (202) is fixedly connected to the locking block (204). One end of the locking block (204) away from the moving plate (203) extends out of the side end of the limiting block (17). The bottom end of the locking block (204) is provided with an inclined surface.

6. The cardboard folding machine for packaging boxes according to claim 5, wherein: The upper end of the second fixing seat (8) is fixedly connected to a concave block (19). The limiting block (17) is inserted into the concave block (19). Locking grooves (21) are symmetrically formed inside the concave block (19). The locking grooves (21) are engaged with the locking blocks (204).

7. The folding machine for the packaging box cardboard according to claim 6, wherein: An unlocking block (22) is slidably connected inside the locking groove (21). One end of the unlocking block (22) away from the locking block (204) extends out of the outer side wall of the concave block (19). Slide grooves (24) are symmetrically formed at both ends inside the locking groove (21). Sliders (23) are symmetrically and fixedly connected to both ends of the unlocking block (22). The sliders (23) are slidably connected to the slide grooves (24).

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