A multi-layer paperboard pre-folding mechanism

Abstract

The utility model discloses a multilayer paperboard pre -folding mechanism, include: conveying table, the bottom of conveying table front and rear both -ends fixedly connected with support plate, support plate's bottom left and right sides fixedly connected with support leg, conveying table outer surface installs transmission assembly, the upper surface left side of conveying table is installed with the folding and pressing mechanism, support plate's upper surface middle part is installed with the folding mechanism, and the front and rear both -ends of conveying table are installed with two groups of fixed collar, the connecting plate, conveying table right side upper surface front and rear both -ends fixedly connected with connecting plate, through the folding and pressing mechanism, carry out height adjustment to the pressure wheel, and it is convenient to folding and pressing use according to the demand to multilayer paperboard pre -folding depth, through the folding mechanism, it is convenient to fold the corner of multilayer paperboard after folding and pressing, through being provided with hot -pressing mechanism, it is convenient to the hot -pressing setting of multilayer paperboard folding corner after folding, the multilayer paperboard after folding is pasted.

Description

Technical Field

[0001] This utility model relates to the field of cardboard pre-folding technology, and in particular to a multi-layer cardboard pre-folding mechanism. Background Technology

[0002] Multi-layer cardboard pre-folding mechanisms are an important component of packaging machinery. They are used to pre-fold creases into the cardboard before it is formed, so that it can be folded and formed accurately in the subsequent process.

[0003] However, existing multi-layer cardboard pre-folding mechanisms result in inconsistent crease depths after pre-folding multi-layer cardboard, making it difficult to bond the folded cardboard together. The presence of hollow layers in the middle of the multi-layer cardboard occupies a large space and affects the convenience of transportation. Therefore, it is necessary to provide a new multi-layer cardboard pre-folding mechanism to solve the above-mentioned technical problems. Utility Model Content

[0004] The purpose of this invention is to provide a multi-layer cardboard pre-folding mechanism to overcome the above-mentioned shortcomings in the prior art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a multi-layer cardboard pre-folding mechanism, comprising: a conveyor table, a support plate fixedly connected to the front and rear ends of the bottom of the conveyor table, support feet fixedly connected to the left and right sides of the bottom of the support plate, a transmission assembly installed on the outer surface of the conveyor table, a folding mechanism installed on the left side of the upper surface of the conveyor table, a folding mechanism installed in the middle of the upper surface of the support plate, and two sets of fixing collars installed at the front and rear ends of the conveyor table;

[0006] A connecting plate is fixedly connected to both the front and rear ends of the upper right side surface of the conveyor table. A connecting column is fixedly connected to the middle of the connecting plate. Two sets of connecting blocks are installed in the middle of the connecting column. A connecting rod is fixedly connected to the bottom of the connecting block. A roller is rotatably installed at the bottom of the connecting rod. A positioning plate is fixedly connected to both the front and rear ends of the upper right side surface of the conveyor table, and the positioning plate is located to the right of the connecting plate. A hot pressing mechanism is installed in the middle of the positioning plate.

[0007] As a further description of the above technical solution: the bending and pressing mechanism includes two sets of fixed plates fixedly connected to the front and rear ends of the upper surface of the conveyor table. A fixed column is fixedly connected to the middle of the side of the fixed plates that are close to each other. Two sets of fixed blocks are fixedly connected to the middle of the fixed column. A fixed rod is inserted into the left side of the fixed block. A fixed sleeve is sleeved on the upper end of the fixed rod. A pressure roller mechanism is fixedly connected to the bottom of the fixed rod.

[0008] As a further description of the above technical solution: the fixing block has a movable slot adapted to the fixing rod, the upper surface of the fixing rod has a thread, the fixing sleeve has a threaded groove adapted to the thread, and the fixing rod and the fixing sleeve form a rotating connection mechanism.

[0009] As a further description of the above technical solution: the pressure roller mechanism includes a fixed shell fixedly connected to the bottom of the fixed rod, a plurality of positioning wheels are rotatably installed in the middle of the fixed shell, a connecting shell is fixedly connected to the right side of the fixed shell, the upper end of the connecting shell is fixedly connected to the fixed rod, and a plurality of pressure rollers are rotatably installed in the middle of the connecting shell, and the height of the pressure rollers is lower than that of the positioning wheels.

[0010] As a further description of the above technical solution: the folding mechanism includes mounting plates fixedly connected to the four corners of the upper surface of the support plate. Mounting columns are fixedly connected to the sides of the mounting plates that are close to each other. Two sets of mounting blocks are installed at the front and rear ends of the left mounting column and in the middle of the right mounting column. Mounting rods are fixedly connected to the upper ends of the mounting blocks that are close to each other. A mounting frame is fixedly connected to the bottom middle of the mounting rod. A guide tube is installed in the middle of the mounting frame, and the left and right sides of the guide tube are movably inserted into the middle of the fixing collar. An arc-shaped plate is fixedly connected to the bottom of the right mounting block.

[0011] As a further description of the above technical solution: the hot pressing mechanism includes a motor mounted on the rear positioning plate, the power output end of the motor is connected to a rotating shaft, and the motor passes through the positioning plate. The rotating shaft is rotatably mounted on the positioning plate, and a plurality of heating wires are mounted on the outer surface of the rotating shaft. An insulating protective sleeve is sleeved on the outer surface of the heating wires.

[0012] As a further description of the above technical solution: a heat-conducting box is fitted onto the outer surface of the insulating protective sleeve, and a protective sleeve is installed on the outer surface of the heat-conducting box.

[0013] This utility model provides a multi-layer cardboard pre-folding mechanism. It has the following beneficial effects:

[0014] 1. This application uses a folding mechanism with a fixed rod and a fixed sleeve to adjust the height of the pressure roller, which facilitates the folding of the multi-layer cardboard to the required depth. The folding mechanism and guide tube facilitate the folding of the corners of the multi-layer cardboard after folding. The curved plate facilitates the pressing of the folded multi-layer cardboard.

[0015] 2. The device is equipped with a hot pressing mechanism and heating wires, which facilitates heating of the heat-conducting box during use. This allows for hot pressing and shaping of the folded edges of the multi-layered cardboard, and the bonding of the folded cardboard. The insulating protective sleeve prevents short circuits between the heating element and the roller, improving heat transfer efficiency. The protective sleeve also protects the heat-conducting box during use, extending the service life of the device. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of a multi-layer cardboard pre-folding mechanism proposed in this utility model;

[0017] Figure 2 This is a structural diagram showing the disassembled components of this utility model;

[0018] Figure 3 This is a schematic diagram of the bending and pressing mechanism in this utility model. Figure 1 ;

[0019] Figure 4 This is a schematic diagram of the bending and pressing mechanism in this utility model. Figure 2 ;

[0020] Figure 5 This is a schematic diagram of the hot pressing mechanism in this utility model.

[0021] Legend:

[0022] 1. Conveyor table; 2. Support plate; 3. Support legs; 4. Transmission assembly; 5. Folding mechanism; 501. Fixing plate; 502. Fixing column; 503. Fixing block; 504. Fixing rod; 505. Fixing sleeve; 506. Pressure roller mechanism; 5061. Fixing shell; 5062. Positioning wheel; 5063. Connecting shell; 5064. Pressure roller; 6. Folding mechanism; 601. Mounting plate; 602. Mounting column; 603. [Unclear text - possibly related to mounting plate and folding mechanism] 604. Mounting block; 605. Mounting bracket; 606. Guide tube; 607. Arc plate; 7. Fixing collar; 8. Connecting plate; 9. Connecting column; 10. Connecting block; 11. Connecting rod; 12. Roller; 13. Positioning plate; 14. Hot pressing mechanism; 1401. Motor; 1402. Rotating shaft; 1403. Heating wire; 1404. Insulating protective sleeve; 1405. Heat conduction box; 1406. Protective sleeve. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] Example 1, Reference Figure 1 and Figure 2 This utility model discloses a multi-layer cardboard pre-folding mechanism, which can solve the problems of inconsistent crease depth after pre-folding multi-layer cardboard in existing multi-layer cardboard pre-folding mechanisms, making it difficult to glue the folded multi-layer cardboard together, and the presence of hollow layers in the middle of the multi-layer cardboard, which occupies a large space and affects the convenience of transportation. It includes a conveyor table 1, with support plates 2 fixedly connected to the bottom front and rear ends of the conveyor table 1, support feet 3 fixedly connected to the bottom left and right sides of the support plates 2, a transmission assembly 4 installed on the outer surface of the conveyor table 1, a folding mechanism 5 installed on the left side of the upper surface of the conveyor table 1, a folding mechanism 6 installed in the middle of the upper surface of the support plates 2, and two sets of fixing collars 7 installed at the front and rear ends of the conveyor table 1.

[0025] Connecting plate 8 is fixedly connected to the front and rear ends of the upper right side surface of conveyor table 1. Connecting column 9 is fixedly connected to the middle of connecting plate 8. Two sets of connecting blocks 10 are installed in the middle of connecting column 9. Connecting rod 11 is fixedly connected to the bottom of connecting block 10. Roller 12 is rotatably installed at the bottom of connecting rod 11. Positioning plate 13 is fixedly connected to the front and rear ends of the upper right side surface of conveyor table 1, and positioning plate 13 is located to the right of connecting plate 8. Hot pressing mechanism 14 is installed in the middle of positioning plate 13.

[0026] Working principle: Conveyor table 1 facilitates component installation; support plate 2 and support feet 3 facilitate load-bearing support for this device; transmission assembly 4 facilitates the conveying of multi-layer cardboard; folding mechanism 5 facilitates the folding of multi-layer cardboard; folding mechanism 6 facilitates the folding and storage of the cardboard; fixing collar 7 facilitates convenient positioning of guide tube 606; connecting rod 11 and roller 12 facilitate the pressing of the folded cardboard, allowing the cardboard to enter the hot pressing mechanism 14 for hot pressing; hot pressing mechanism 14 facilitates the hot pressing and shaping of the folded edges of the multi-layer cardboard, and the bonding of the folded multi-layer cardboard.

[0027] Example 2, refer to Figure 3 , Figure 4 and Figure 5This embodiment solves the problem that existing multi-layer cardboard pre-folding mechanisms result in inconsistent crease depths after pre-folding multi-layer cardboard, making it difficult to bond the folded cardboard together. Furthermore, the presence of hollow layers within the multi-layer cardboard occupies significant space and affects transportation convenience. This new multi-layer cardboard pre-folding mechanism further includes a folding and pressing mechanism 5, comprising two sets of fixed plates 501 fixedly connected to the front and rear ends of the upper surface of the conveyor table 1. A fixed post 502 is fixedly connected to the middle of the side of the fixed plates 501 that is close to each other. Two sets of fixed blocks 503 are fixedly connected to the middle of the fixed post 502. A fixed rod 504 is inserted into the left side of the fixed block 503. The upper part of the fixed rod 504... A fixing sleeve 505 is fitted onto the end of the fixing rod 504. A pressure roller mechanism 506 is fixedly connected to the bottom of the fixing rod 504. A movable slot adapted to the fixing rod 504 is provided on the fixing block 503. A thread is provided on the upper surface of the fixing rod 504. A threaded groove adapted to the thread is provided on the fixing sleeve 505. The fixing rod 504 and the fixing sleeve 505 form a rotating connection mechanism. The pressure roller mechanism 506 includes a fixing shell 5061 fixedly connected to the bottom of the fixing rod 504. Several positioning wheels 5062 are rotatably mounted in the middle of the fixing shell 5061. A connecting shell 5063 is fixedly connected to the right side of the fixing shell 5061. The upper end of the connecting shell 5063 is fixedly connected to the fixing rod 504. 4. Several pressure rollers 5064 are rotatably mounted in the middle of the connecting shell 5063, and the height of the pressure rollers 5064 is lower than that of the positioning rollers 5062. The folding mechanism 6 includes mounting plates 601 fixedly connected to the four corners of the upper surface of the support plate 2. Mounting columns 602 are fixedly connected to the sides of the mounting plates 601 that are close to each other. Two sets of mounting blocks 603 are installed at the front and rear ends of the left mounting column 602 and in the middle of the right mounting column 602. Mounting rods 604 are fixedly connected to the upper ends of the mounting blocks 603 that are close to each other. Mounting brackets 605 are fixedly connected to the bottom middle of the mounting rods 604. A guide tube 606 is installed in the middle of the mounting bracket 605, and the left and right sides of the guide tube 606 are... The side movable insertion is in the middle of the fixed collar 7. The bottom of the right mounting block 603 is fixedly connected to the arc plate 607. The hot pressing mechanism 14 includes a motor 1401 installed on the rear positioning plate 13. The power output end of the motor 1401 is connected to the rotating shaft 1402, and the motor 1401 passes through the positioning plate 13. The rotating shaft 1402 is rotatably installed on the positioning plate 13. Several heating wires 1403 are installed on the outer surface of the rotating shaft 1402. An insulating protective sleeve 1404 is sleeved on the outer surface of the heating wires 1403. A heat conduction box 1405 is sleeved on the outer surface of the insulating protective sleeve 1404. A protective sleeve 1406 is installed on the outer surface of the heat conduction box 1405.

[0028] Working principle: When using this device, the multi-layer cardboard to be pre-folded is placed on the conveyor table 1, and then conveyed by the transmission assembly 4. Before folding, the height of the pressure roller 5064 on the fixed rod 504 is adjusted by rotating the fixed sleeve 505, which facilitates the pre-folding depth of the multi-layer cardboard according to the requirements. When the cardboard passes the pressure roller 5064, the pressure roller 5064 folds the corners that need to be folded. After the folded cardboard passes through the folding mechanism 6, the corners of the folded cardboard are guided and folded by the guide tube 606. After the cardboard is folded, the arc plate 607 facilitates the pressing of the folded multi-layer cardboard. When the folded cardboard passes through the roller 12 on the connecting rod 11, it is easy to press and position the cardboard, making it easy for the folded cardboard to... Upon entering the hot pressing mechanism 14, the motor 1401 and heating wire 1403 are turned on, allowing the motor 1401 to drive the rotating shaft 1402 to rotate. The heating wire 1403 facilitates heating of the heat-conducting box 1405 during use, enabling the hot pressing and shaping of the folded edges of the multi-layered cardboard. This ensures that the edges of the folded cardboard do not curl up, avoiding hollow layers in the middle of the multi-layered cardboard, reducing the space occupied during transportation, and improving the convenience of transportation. The insulating protective sleeve 1404 prevents short circuits between the heating element and the roller, improving heat transfer efficiency. The protective sleeve 1406 protects the heat-conducting box 1405 during use, extending the service life of the device.

[0029] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0030] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A multi-layer cardboard pre-folding mechanism, characterized in that, include: The conveyor (1) has a support plate (2) fixedly connected to the bottom front and rear ends of the conveyor (1), and support feet (3) fixedly connected to the bottom left and right sides of the support plate (2). A transmission assembly (4) is installed on the outer surface of the conveyor (1). A folding mechanism (5) is installed on the left side of the upper surface of the conveyor (1). A folding mechanism (6) is installed in the middle of the upper surface of the support plate (2). Two sets of fixing collars (7) are installed at the front and rear ends of the conveyor (1). A connecting plate (8) is fixedly connected to the front and rear ends of the upper right side surface of the conveyor table (1). A connecting column (9) is fixedly connected to the middle of the connecting plate (8). Two sets of connecting blocks (10) are installed in the middle of the connecting column (9). A connecting rod (11) is fixedly connected to the bottom of the connecting block (10). A roller (12) is rotatably installed at the bottom of the connecting rod (11). A positioning plate (13) is fixedly connected to the front and rear ends of the upper right side surface of the conveyor table (1), and the positioning plate (13) is located on the right side of the connecting plate (8). A hot pressing mechanism (14) is installed in the middle of the positioning plate (13).

2. The multi-layer cardboard pre-folding mechanism according to claim 1, characterized in that, The pressing mechanism (5) includes two sets of fixed plates (501) fixedly connected to the front and rear ends of the upper surface of the conveyor table (1). A fixed column (502) is fixedly connected to the middle of the side of the fixed plate (501) that is close to each other. Two sets of fixed blocks (503) are fixedly connected to the middle of the fixed column (502). A fixed rod (504) is inserted into the left side of the fixed block (503). A fixed sleeve (505) is sleeved on the upper end of the fixed rod (504). A pressure roller mechanism (506) is fixedly connected to the bottom of the fixed rod (504).

3. The multi-layer cardboard pre-folding mechanism according to claim 2, characterized in that, The fixing block (503) has a movable slot that matches the fixing rod (504). The upper surface of the fixing rod (504) has a thread. The fixing sleeve (505) has a threaded groove that matches the thread. The fixing rod (504) and the fixing sleeve (505) form a rotating connection mechanism.

4. A multi-layer cardboard pre-folding mechanism according to claim 2, characterized in that, The pressure roller mechanism (506) includes a fixed shell (5061) fixedly connected to the bottom of the fixed rod (504). Several positioning wheels (5062) are rotatably installed in the middle of the fixed shell (5061). A connecting shell (5063) is fixedly connected to the right side of the fixed shell (5061). The upper end of the connecting shell (5063) is fixedly connected to the fixed rod (504). Several pressure rollers (5064) are rotatably installed in the middle of the connecting shell (5063), and the height of the pressure rollers (5064) is lower than that of the positioning wheels (5062).

5. A multi-layer cardboard pre-folding mechanism according to claim 1, characterized in that, The folding mechanism (6) includes mounting plates (601) fixedly connected to the four corners of the upper surface of the support plate (2). Mounting columns (602) are fixedly connected to the sides of the mounting plates (601) that are close to each other. Two sets of mounting blocks (603) are installed at the front and rear ends of the left mounting column (602) and the middle of the right mounting column (602). Mounting rods (604) are fixedly connected to the upper ends of the mounting blocks (603) that are close to each other. Mounting brackets (605) are fixedly connected to the bottom middle of the mounting rods (604). A guide tube (606) is installed in the middle of the mounting brackets (605), and the left and right sides of the guide tube (606) are movably inserted into the middle of the fixing collar (7). An arc plate (607) is fixedly connected to the bottom of the right mounting block (603).

6. A multi-layer cardboard pre-folding mechanism according to claim 1, characterized in that, The hot pressing mechanism (14) includes a motor (1401) mounted on the rear positioning plate (13). The power output end of the motor (1401) is connected to a rotating shaft (1402), and the motor (1401) passes through the positioning plate (13). The rotating shaft (1402) is rotatably mounted on the positioning plate (13). A plurality of heating wires (1403) are mounted on the outer surface of the rotating shaft (1402), and an insulating protective sleeve (1404) is sleeved on the outer surface of the heating wires (1403).

7. A multi-layer cardboard pre-folding mechanism according to claim 6, characterized in that, The outer surface of the insulating protective sleeve (1404) is fitted with a heat-conducting box (1405), and the outer surface of the heat-conducting box (1405) is fitted with a protective sleeve (1406).

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