Automatic indentation device for composite corrugated board structure

Abstract

The utility model discloses an automatic creasing device for a composite corrugated board structure, which relates to the field of creasing of corrugated boards and comprises a creasing bed body, two creasing frames are fixedly arranged at the upper end of the creasing bed body, a rotating shaft is movably arranged in the middle of each creasing frame, two creasing crankshafts are fixedly arranged in the middle of each rotating shaft, and the creasing crankshafts are movably arranged in the creasing bed body. A through hole is formed in one end of the creasing frame in a penetrating mode, a groove is further formed in the inner side of the creasing frame, a plurality of progressive blocks used for preventing the rotating shaft from descending are arranged on the inner side of the groove in a sliding mode, and two telescopic rods used for pushing the progressive blocks are fixedly arranged on the outer side of the rotating shaft. According to the automatic creasing device, the creasing plate can be pressed downwards once, then the rotating shaft can automatically move downwards by a certain distance to complete automatic creasing, multiple layers of paperboards can be creased one by one, and only the finished paperboards need to be taken out after the creasing plate completes single-time creasing.

Description

Technical Field

[0001] The utility model relates to the field of corrugated paperboard creasing, in particular to an automatic creasing device for a composite corrugated paperboard structure. Background Art

[0002] Composite corrugated paper products have the characteristics of light weight, high strength, no deformation, good rigidity, strong cushioning performance, good sound insulation and heat insulation, and can be flame retardant, moisture-proof and waterproof after proper treatment. Its raw materials are widely available and sufficient, and can be recycled after use. Among them, the corrugated cardboard creasing device is an auxiliary device for corrugated cardboard, which has been widely used in the field of corrugated cardboard creasing;

[0003] When the existing corrugated cardboard creasing device is used, it is generally used to creasing a single cardboard before conveying the next cardboard for creasing. There can only be one cardboard in the creasing area, which results in the need for multiple loading, which is relatively cumbersome.

[0004] Therefore, it is necessary to propose an automated creasing device for composite corrugated cardboard structures to solve the above problems. Utility Model Content

[0005] The utility model aims to provide an automatic creasing device for a composite corrugated cardboard structure, so as to solve the problem that after a single cardboard is creasing, the next cardboard is conveyed for creasing, and there can only be one cardboard in the creasing area, which leads to the need for multiple loading, which is relatively cumbersome.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automated creasing device for composite corrugated cardboard structure, comprising a creasing bed, two creasing frames are fixedly provided at the upper end of the creasing bed, a rotating shaft is movably provided in the middle of the creasing frame, two creasing crankshafts are fixedly provided in the middle of the rotating shaft, a through hole is penetrated through one end of the creasing frame, a groove is also provided inside the creasing frame, and a plurality of progressive blocks for blocking the descending of the rotating shaft are slidably provided inside the groove;

[0007] Two telescopic rods for pushing the progressive block are fixedly provided on the outside of the rotating shaft, and a guide groove is also provided on the inner wall of the groove. A guide block is fixedly provided on the end of the progressive block, and the guide block slides on the inside of the guide groove. A first spring is fixedly provided on the inside of the guide block, and one end of the first spring abuts against the inside of the groove.

[0008] Preferably, a hydraulic cylinder is fixedly provided at one end of the indentation frame, a fixed plate is fixedly provided at one end of the hydraulic cylinder output rod, two pressing blocks are sleeved on the outer side of the rotating shaft, a second spring is fixedly provided at the upper end of the pressing block, and one end of the second spring is also fixedly connected to one end of the fixed plate.

[0009] Preferably, a driving motor is provided at one end of one of the indentation frames, the output end of the driving motor is fixedly connected to one end of the rotating shaft, a plurality of guide frames are fixedly provided at the upper end of the indentation bed, a guide rod is slidably provided between two corresponding guide frames, and indentation plates are fixedly provided at the lower ends of the two guide rods.

[0010] Preferably, a connecting rod is rotatably provided on the outer side of the indentation crankshaft, and one end of the connecting rod is rotatably connected to one end of a corresponding guide rod.

[0011] Preferably, the pressing block is arranged in a circular ring at one end corresponding to the rotating shaft.

[0012] Technical effects and advantages of the utility model:

[0013] 1. Through the setting of the progressive block, when the shaft rotates one circle, the creasing plate is pressed down once, and the shaft can automatically move downward a certain distance to complete the automatic creasing. It can creasing multiple layers of cardboard one by one. It only needs to take out the completed cardboard after the creasing plate completes a single creasing. The operation is simple, and multiple cardboards to be processed can be stored at one time, reducing the number of times of adding cardboards;

[0014] 2. Through the setting of multiple progressive blocks, the length of the telescopic rod can be controlled according to the single-layer thickness of the cardboard, so that when the rotating shaft drives the telescopic rod to rotate one circle, the distance of the single descent of the creasing plate can also be changed according to the thickness of the cardboard, and the cardboards of various thicknesses can be creasing, and its adaptability is high;

[0015] 3. Through the hydraulic cylinder, downward pressure can be applied to the indentation plate to complete the indentation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a schematic diagram of the structure of an automatic creasing device for composite corrugated paperboard structure.

[0017] Figure 2 This is a schematic diagram of the connection structure of the indentation frame of the utility model.

[0018] Figure 3 It is a schematic diagram of the connecting rod connection structure of the utility model.

[0019] Figure 4 This is a schematic diagram of the internal structure of the indentation frame of the utility model.

[0020] Figure 5 It is a schematic diagram of the internal structure of the progressive block of the utility model.

[0021] Figure 6 This is a schematic diagram of the structure of the compression cylinder of the utility model.

[0022] In the figure: 1. indentation bed; 2. indentation frame; 3. drive motor; 4. rotating shaft; 5. indentation crankshaft; 6. connecting rod; 7. guide frame; 8. guide rod; 9. indentation plate; 10. through hole; 11. groove; 12. guide groove; 13. progressive block; 14. guide block; 15. first spring; 16. telescopic rod; 17. hydraulic cylinder; 18. fixed plate; 19. pressing block; 20. second spring. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The utility model provides Figure 1 - Figure 6 An automatic creasing device for composite corrugated cardboard structure shown in the figure comprises a creasing bed 1, two creasing frames 2 are fixedly provided at the upper end of the creasing bed 1, a rotating shaft 4 is movably provided in the middle of the creasing frame 2, two creasing crankshafts 5 are fixedly provided in the middle of the rotating shaft 4, the rotating shaft 4 and the creasing crankshaft 5 are integrally arranged, a through hole 10 is penetrated through one end of the creasing frame 2, the through hole 10 is rectangularly arranged, a groove 11 is further provided on the inner side of the creasing frame 2, a plurality of progressive blocks 13 for blocking the descending of the rotating shaft 4 are slidably provided on the inner side of the groove 11, and the thickness of the progressive block 13 is 1.5 mm;

[0025] Two telescopic rods 16 for pushing the progressive block 13 are fixedly provided on the outside of the rotating shaft 4. The telescopic rods 16 are electric telescopic rods, which are controlled by a remote control switch. The electric telescopic rods use batteries as power sources. The electric telescopic rods are commonly used in the prior art and are not described in detail here. A guide groove 12 is also provided on the inner wall of the groove 11. A guide block 14 is fixedly provided on the end of the progressive block 13. The guide block 14 slides on the inner side of the guide groove 12. A first spring 15 is fixedly provided on the inner side of the guide block 14, and one end of the first spring 15 abuts against the inner side of the groove 11.

[0026] A hydraulic cylinder 17 is fixedly provided at one end of the indentation frame 2, and a fixed plate 18 is fixedly provided at one end of the output rod of the hydraulic cylinder 17. Two pressing blocks 19 are sleeved on the outer side of the rotating shaft 4. The pressing block 19 is arranged in a circular ring at one end corresponding to the rotating shaft 4, so that the pressing block 19 can better drive the rotating shaft 4. A second spring 20 is fixedly provided at the upper end of the pressing block 19, and one end of the second spring 20 is also fixedly connected to one end of the fixed plate 18.

[0027] A driving motor 3 is provided at one end of one of the creasing frames 2, and the control switches of the hydraulic cylinder 17 and the driving motor 3 are integrally arranged, and the control circuits are arranged in series to ensure that when the driving motor 3 is turned on, the hydraulic cylinder 17 is also turned on, and then when the driving motor 3 rotates, the hydraulic cylinder 17 gradually extends out, wherein the driving motor 3 is a servo reduction motor to complete the low-speed work, and the hydraulic cylinder 17 cooperates with the driving motor 3 to complete the slow extension of the output rod, so that they cooperate with each other, and the output end of the driving motor 3 is fixedly connected to one end of the rotating shaft 4, and a plurality of guide frames 7 are fixedly provided on the upper end of the creasing bed 1, and a guide rod 8 is slidably provided between two corresponding guide frames 7, and a creasing plate 9 is fixedly provided at the lower end of the two guide rods 8, and the creasing plate 9 is an existing commonly used cardboard creasing plate 9, which will not be described in detail here.

[0028] A connecting rod 6 is rotatably provided on the outer side of the indentation crankshaft 5 , and one end of the connecting rod 6 is rotatably connected to one end of a corresponding guide rod 8 .

[0029] Working principle: the operator stacks the cardboards to be indented and puts them on the indentation bed 1, and then turns on the driving motor 3 and the hydraulic cylinder 17 through the control switch, and then adjusts the extension length of the telescopic rod 16 according to the thickness of the cardboard, and the driving motor 3 drives the rotating shaft 4 to rotate, and the rotating shaft 4 drives the indentation crankshaft 5 to rotate, and then the indentation crankshaft 5 drives the connecting rod 6 to rotate, and then the connecting rod 6 drives the guide rod 8 to move, and then the guide rod 8 drives the indentation plate 9 to reset and move under the limit of the guide frame 7, and at the same time the hydraulic cylinder 17 works synchronously with the driving motor 3, and then the hydraulic cylinder 17 drives the fixed plate 18 to move downward, and then the fixed plate 18 drives the pressing block 19 to move downward through the second spring 20, and then the pressing block 19 squeezes the rotating shaft 4, and at the same time the indentation plate 9 is subjected to force to indent the cardboard, and the gap of the rising of the indentation crankshaft 5 is used to take out the single cardboard that has been indented;

[0030] The rotating shaft 4 rotates one circle, and after the indentation plate 9 indents once, the telescopic rod 16 rotates one circle following the rotating shaft 4, and the telescopic rod 16 squeezes the progressive block 13 by utilizing the gap of the groove 11, and the progressive block 13 moves toward the first spring 15 under the limit of the guide groove 12 and the guide block 14, and the progressive block 13 retreats, and the through hole 10 is opened, so that the rotating shaft 4 moves downward normally under the pressure of the hydraulic cylinder 17, and the indentation of multiple paperboards is completed progressively;

[0031] After one wave of cardboard creasing is completed, the driving motor 3 and the hydraulic cylinder 17 are controlled to work in reverse to reset the creasing plate 9, and the telescopic rod 16 moves the progressive block 13 to facilitate the resetting of the rotating shaft 4. The progressive block 13 is then reset by the pressure of the first spring 15 to facilitate the next creasing.

Claims

1. An automated creasing device for composite corrugated paperboard structures, comprising a creasing bed (1), characterized in that: Two indentation frames (2) are fixedly provided at the upper end of the indentation bed (1), a rotating shaft (4) is movably provided in the middle of the indentation frame (2), two indentation crankshafts (5) are fixedly provided in the middle of the rotating shaft (4), a through hole (10) is penetrated through one end of the indentation frame (2), a groove (11) is also provided inside the indentation frame (2), and a plurality of progressive blocks (13) for blocking the rotating shaft (4) from descending are slidably provided inside the groove (11); Two telescopic rods (16) for pushing the progressive block (13) are fixedly provided on the outer side of the rotating shaft (4); a guide groove (12) is also provided on the inner wall of the groove (11); a guide block (14) is fixedly provided at the end of the progressive block (13); the guide block (14) slides on the inner side of the guide groove (12); a first spring (15) is fixedly provided on the inner side of the guide block (14); one end of the first spring (15) abuts against the inner side of the groove (11).

2. The automatic creasing device for composite corrugated paperboard structure according to claim 1, characterized in that: A hydraulic cylinder (17) is fixedly provided at one end of the indentation frame (2), a fixed plate (18) is fixedly provided at one end of the output rod of the hydraulic cylinder (17), two pressing blocks (19) are sleeved on the outer side of the rotating shaft (4), a second spring (20) is fixedly provided at the upper end of the pressing block (19), and one end of the second spring (20) is also fixedly connected to one end of the fixed plate (18).

3. The automatic creasing device for composite corrugated paperboard structure according to claim 1, characterized in that: One end of one of the indentation frames (2) is provided with a driving motor (3), the output end of the driving motor (3) is fixedly connected to one end of a rotating shaft (4), a plurality of guide frames (7) are fixedly provided on the upper end of the indentation bed (1), a guide rod (8) is slidably provided between two corresponding guide frames (7), and an indentation plate (9) is fixedly provided at the lower end of the two guide rods (8).

4. The automatic creasing device for composite corrugated paperboard structure according to claim 1, characterized in that: A connecting rod (6) is rotatably provided on the outer side of the indentation crankshaft (5), and one end of the connecting rod (6) is rotatably connected to one end of a corresponding guide rod (8).

5. The automatic creasing device for composite corrugated paperboard structure according to claim 2, characterized in that: The pressing block (19) is arranged in a circular ring at one end corresponding to the rotating shaft (4).

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