Kraft paper cutting device

Abstract

The utility model relates to the technical field of paper production, in particular to a kraft paper cutting device, which comprises a conveying support plate and is characterized in that a conveying support is fixed on the conveying support plate, and a conveying belt body is rotatably arranged on the conveying support; a paper uncoiling module, a first material pressing module, a first cutting module, a second cutting module and a second material pressing module are sequentially arranged on the conveying support in the conveying direction of the conveying belt body. According to the kraft paper cutting device, the position of the cutting tool can be automatically adjusted according to cutting requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of paper production, in particular to a kraft paper cutting device. Background Art

[0002] Kraft paper is very strong and is therefore often used as packaging material. However, before entering the market as packaging paper, kraft paper needs to be cut into specific sizes. When cutting, the position of the cutting tool of the existing kraft paper cutting device needs to be manually adjusted according to the cutting size, resulting in low cutting efficiency. Utility Model Content

[0003] Purpose of the utility model: The utility model provides a kraft paper cutting device, which can automatically adjust the position of the cutting tool according to the cutting needs.

[0004] In order to achieve the above object, the technical solution of the utility model is as follows:

[0005] A kraft paper cutting device comprises a conveying support plate, a conveying bracket is fixed on the conveying support plate, and a conveyor belt body is rotatably arranged on the conveying bracket;

[0006] A paper unwinding module, a first pressing module, a first cutting module, a second cutting module and a second pressing module are sequentially arranged on the conveying support along the conveying direction of the conveyor belt body;

[0007] The first cutting module includes a first supporting plate and a second supporting plate symmetrically arranged with respect to the first supporting plate, the first supporting plate and the second supporting plate are both fixed on a conveying bracket, a first height adjustment cylinder is vertically arranged upward on the first supporting plate, and a second height adjustment cylinder is vertically arranged upward on the second supporting plate;

[0008] A U-shaped sliding support groove is fixed on the piston rod of the first height adjustment cylinder and the piston rod of the second height adjustment cylinder, a sliding through groove is provided at the bottom of the U-shaped sliding support groove, a first telescopic cylinder is horizontally provided at one end of the U-shaped sliding support groove, and a second telescopic cylinder is horizontally provided at the other end thereof, a first sliding support block is connected to the piston rod of the first telescopic cylinder, a first distance adjustment cylinder is vertically provided on the first sliding support block, a first supporting vertical plate is fixed on the piston rod of the first distance adjustment cylinder, a first cutting motor is horizontally provided on the first supporting vertical plate, and a first cutting blade is fixed on the rotor of the first cutting motor;

[0009] A second sliding support block is connected to the piston rod of the second telescopic cylinder, a second distance adjusting cylinder is vertically downwardly arranged on the second sliding support block, a second supporting vertical plate is fixed to the piston rod of the second distance adjusting cylinder, a second cutting motor is horizontally arranged on the second supporting vertical plate, and a second cutting blade is fixed to the rotor of the second cutting motor.

[0010] As an improvement: a first pressure sensor is provided at the joint between the piston rod of the first telescopic cylinder and the first supporting vertical plate;

[0011] A second pressure sensor is provided at the joint between the piston rod of the second telescopic cylinder and the second supporting vertical plate.

[0012] As an improvement: the second cutting module includes a third supporting plate, on which a third height-adjusting cylinder is vertically arranged upward, a third supporting vertical plate is fixed on the piston rod of the third height-adjusting cylinder, a third telescopic cylinder is horizontally arranged on the third supporting vertical plate, a fourth supporting vertical plate is fixed on the piston rod of the third telescopic cylinder, a third cutting motor is horizontally arranged on the fourth supporting vertical plate, and a third cutting blade is fixed on the rotor of the third cutting motor.

[0013] As an improvement: the paper unwinding module includes an unwinding bracket, on which a first supporting cylinder and a second supporting cylinder are symmetrically arranged vertically upward, a first unwinding support plate is fixed on the piston rod of the first supporting cylinder, an unwinding motor is horizontally arranged on the first unwinding support plate, and a first docking block is fixed on the rotor of the unwinding motor;

[0014] A second unwinding support plate is fixed on the piston rod of the second supporting cylinder, a docking cylinder is horizontally arranged on the second unwinding support plate, and a second docking block is fixed on the piston rod of the docking cylinder.

[0015] As an improvement: the first pressing module includes a first pressing cylinder and a second pressing cylinder symmetrically arranged with the first pressing cylinder, the first pressing cylinder and the second pressing cylinder are both fixed on the conveying bracket, and the first pressing support plate and the second pressing support plate are respectively fixed on the piston rod of the first pressing cylinder and the piston rod of the second pressing cylinder, and a first pressing roller is rotatably provided between the first pressing support plate and the second pressing support plate.

[0016] As an improvement: the second pressing module includes a third pressing cylinder and a fourth pressing cylinder symmetrically arranged with the third pressing cylinder, the third pressing cylinder and the fourth pressing cylinder are both fixed on the conveying bracket, and a third pressing support plate and a fourth pressing support plate are respectively fixed on the piston rod of the third pressing cylinder and the piston rod of the fourth pressing cylinder, and a second pressing roller is rotatably provided between the third pressing support plate and the fourth pressing support plate.

[0017] In summary, the utility model has the following beneficial effects:

[0018] 1. The distance between the first cutting blade and the second cutting blade can be adjusted by the first telescopic cylinder and the second telescopic cylinder, so as to meet the cutting requirements of kraft paper of different widths;

[0019] 2. The second cutting module can cut the kraft paper into fixed lengths as needed;

[0020] 3. The first pressing module and the second pressing module are used to stick the kraft paper on the conveyor belt body for transportation to prevent it from warping and affecting the cutting effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solution in the present practical embodiment, the drawings required for use in the embodiment or the description of the prior art will be briefly introduced below.

[0022] Figure 1 The figure is a schematic diagram of the overall structure of a kraft paper cutting device;

[0023] Figure 2 for Figure 1 Schematic diagram of the structure of part A;

[0024] Figure 3 for Figure 1 Schematic diagram of the structure of part B;

[0025] Figure 4 for Figure 1 Schematic diagram of the structure of part C;

[0026] Figure 5 The figure is a right side view of a kraft paper cutting device;

[0027] Among them: 1. conveying support plate; 2. conveying bracket; 3. conveyor belt body; 4. first support plate; 5. second support plate; 6. first height adjustment cylinder; 7. second height adjustment cylinder; 8. U-shaped sliding support groove; 9. sliding through groove; 10. first telescopic cylinder; 11. second telescopic cylinder; 12. first sliding support block; 13. second sliding support block; 14. first distance adjustment cylinder; 15. second distance adjustment cylinder; 16. first support vertical plate; 17. second support vertical plate; 18. first cutting motor; 19. second cutting motor; 20. first cutting blade; 21. second cutting blade; 22. first pressure sensor; 23. second pressure sensor; 24. third height adjustment cylinder; 2 5. The third supporting upright plate; 26. The third telescopic cylinder; 27. The third cutting motor; 28. The fourth supporting upright plate; 29. ​​The third cutting blade; 30. The first supporting cylinder; 31. The second supporting cylinder; 32. The first unwinding support plate; 33. The second unwinding support plate; 34. The unwinding motor; 35. The docking cylinder; 36. The first docking block; 37. The second docking block; 38. The first pressing cylinder; 39. The second pressing cylinder; 40. The third pressing cylinder; 41. The fourth pressing cylinder; 42. The first pressing support plate; 43. The second pressing support plate; 44. The third pressing support plate; 45. The fourth pressing support plate; 46. The first pressing roller; 47. The second pressing roller; 48. The third supporting flat plate; 49. The unwinding bracket. DETAILED DESCRIPTION

[0028] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0029] Please refer to Figure 1-Figure 5 A kraft paper cutting device comprises a conveying support plate 1, a conveying support 2 is fixed on the conveying support plate 1, and a conveying belt body 3 is rotatably provided on the conveying support 2;

[0030] A paper unwinding module, a first pressing module, a first cutting module, a second cutting module and a second pressing module are sequentially arranged on the conveying bracket 2 along the conveying direction of the conveyor belt body 3;

[0031] The first cutting module includes a first supporting plate 4 and a second supporting plate 5 symmetrically arranged with respect to the first supporting plate 4. The first supporting plate 4 and the second supporting plate 5 are both fixed on the conveying bracket 2. A first height adjustment cylinder 6 is vertically upwardly provided on the first supporting plate 4, and a second height adjustment cylinder 7 is vertically upwardly provided on the second supporting plate 5.

[0032] A U-shaped sliding support groove 8 is fixed on the piston rod of the first height adjustment cylinder 6 and the piston rod of the second height adjustment cylinder 7, a sliding through groove 9 is provided at the bottom of the U-shaped sliding support groove 8, a first telescopic cylinder 10 is horizontally provided at one end of the U-shaped sliding support groove 8, and a second telescopic cylinder 11 is horizontally provided at the other end thereof, a first sliding support block 12 is connected to the piston rod of the first telescopic cylinder 10, a first distance adjustment cylinder 14 is vertically downwardly provided on the first sliding support block 12, a first support vertical plate 16 is fixed on the piston rod of the first distance adjustment cylinder 14, a first cutting motor 18 is horizontally provided on the first support vertical plate 16, and a first cutting blade 20 is fixed on the rotor of the first cutting motor 18;

[0033] A second sliding support block 13 is connected to the piston rod of the second telescopic cylinder 11, a second distance adjusting cylinder 15 is vertically downwardly arranged on the second sliding support block 13, a second supporting vertical plate 17 is fixed to the piston rod of the second distance adjusting cylinder 15, a second cutting motor 19 is horizontally arranged on the second supporting vertical plate 17, and a second cutting blade 21 is fixed to the rotor of the second cutting motor 19.

[0034] In this embodiment, the distance between the first cutting blade 20 and the second cutting blade 21 can be adjusted by the first telescopic cylinder 10 and the second telescopic cylinder 11, so as to meet the cutting requirements of kraft paper of different widths.

[0035] A first pressure sensor 22 is provided at the joint between the piston rod of the first telescopic cylinder 10 and the first supporting plate 16 ; a second pressure sensor 23 is provided at the joint between the piston rod of the second telescopic cylinder 11 and the second supporting plate 17 .

[0036] The second cutting module includes a third support plate 48, on which a third height adjustment cylinder 24 is vertically arranged upward, a third support vertical plate 25 is fixed on the piston rod of the third height adjustment cylinder 24, a third telescopic cylinder 26 is horizontally arranged on the third support vertical plate 25, a fourth support vertical plate 28 is fixed on the piston rod of the third telescopic cylinder 26, a third cutting motor 27 is horizontally arranged on the fourth support vertical plate 28, and a third cutting blade 29 is fixed on the rotor of the third cutting motor 27. In this embodiment, the second cutting module can cut the kraft paper into a fixed length as required.

[0037] The paper unwinding module includes an unwinding support 49, on which a first supporting cylinder 30 and a second supporting cylinder 31 are symmetrically arranged vertically upward, a first unwinding support plate 32 is fixed on the piston rod of the first supporting cylinder 30, an unwinding motor 34 is horizontally arranged on the first unwinding support plate 32, and a first docking block 36 is fixed on the rotor of the unwinding motor 34; a second unwinding support plate 33 is fixed on the piston rod of the second supporting cylinder 31, a docking cylinder 35 is horizontally arranged on the second unwinding support plate 33, and a second docking block 37 is fixed on the piston rod of the docking cylinder 35. In this embodiment, the height of the kraft paper roll can be adjusted by the first supporting cylinder 30 and the second supporting cylinder 31, thereby realizing the adjustment of the unwinding tension, and the docking cylinder 35 can plug the second docking block 37 into the roller of the kraft paper roll, and at the same time, due to the setting of the docking cylinder 35, the device can support rollers of different lengths for unwinding, so as to meet various unwinding requirements.

[0038] The first pressing module includes a first pressing cylinder 38 and a second pressing cylinder 39 symmetrically arranged with respect to the first pressing cylinder 38. The first pressing cylinder 38 and the second pressing cylinder 39 are both fixed on the conveying bracket 2. The first pressing support plate 42 and the second pressing support plate 43 are respectively fixed on the piston rod of the first pressing cylinder 38 and the piston rod of the second pressing cylinder 39. A first pressing roller 46 is rotatably arranged between the first pressing support plate 42 and the second pressing support plate 43. The second pressing module includes a third pressing cylinder 40 and a fourth pressing cylinder 41 symmetrically arranged with the third pressing cylinder 40. The third pressing cylinder 40 and the fourth pressing cylinder 41 are both fixed on the conveying bracket 2. A third pressing support plate 44 and a fourth pressing support plate 45 are respectively fixed on the piston rod of the third pressing cylinder 40 and the piston rod of the fourth pressing cylinder 41. A second pressing roller 47 is rotatably arranged between the third pressing support plate 44 and the fourth pressing support plate 45. In this embodiment, the first pressing module and the second pressing module are used to attach the kraft paper to the conveyor belt body 3 for conveying to prevent it from warping and affecting the cutting effect.

[0039] When cutting, a certain amount of margin is usually left on both sides of the kraft paper to facilitate rolling.

[0040] Specific working principle: limit the kraft paper roll to be cut between the first docking block 36 and the second docking block 37, start the unwinding motor 34, so that the kraft paper is transported on the conveyor belt body 3, and the kraft paper is input from the first pressing roller 46 and output from the second pressing roller 47.

[0041] When the kraft paper is conveyed to the bottom of the U-shaped sliding support groove 8, the relative distance between the first cutting blade 20 and the second cutting blade 21 is adjusted by the first telescopic cylinder 10 and the second telescopic cylinder 11. After adjusting to the appropriate distance, the first cutting blade 20 and the second cutting blade 21 are acted on the kraft paper under the cooperation of the first height adjusting cylinder 6, the second height adjusting cylinder 7 and the first distance adjusting cylinder 14 and the second distance adjusting cylinder 15, and the first cutting motor 18 and the second cutting motor 19 are started, so that the cutting blades can complete the cutting on both sides of the kraft paper during the conveying process.

[0042] After the kraft paper is transported a certain distance on the conveyor belt body 3, the third height adjustment cylinder 24 is started according to the cutting length requirement, the third cutting blade 29 is applied to the surface of the kraft paper, the third telescopic cylinder 26 and the third cutting motor 27 are started, and the kraft paper is cut into the required length.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the specific implementation methods of the utility model can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the utility model, which should be included in the scope of the technical solution for protection of the utility model.

Claims

1. A kraft paper cutting device, comprising a conveying support plate, characterized in that: A conveying bracket is fixed on the conveying support plate, and a conveyor belt body is rotatably arranged on the conveying bracket; A paper unwinding module, a first pressing module, a first cutting module, a second cutting module and a second pressing module are sequentially arranged on the conveying support along the conveying direction of the conveyor belt body; The first cutting module includes a first supporting plate and a second supporting plate symmetrically arranged with respect to the first supporting plate, the first supporting plate and the second supporting plate are both fixed on a conveying bracket, a first height adjustment cylinder is vertically arranged upward on the first supporting plate, and a second height adjustment cylinder is vertically arranged upward on the second supporting plate; A U-shaped sliding support groove is fixed on the piston rod of the first height adjustment cylinder and the piston rod of the second height adjustment cylinder, a sliding through groove is provided at the bottom of the U-shaped sliding support groove, a first telescopic cylinder is horizontally provided at one end of the U-shaped sliding support groove, and a second telescopic cylinder is horizontally provided at the other end thereof, a first sliding support block is connected to the piston rod of the first telescopic cylinder, a first distance adjustment cylinder is vertically provided on the first sliding support block, a first supporting vertical plate is fixed on the piston rod of the first distance adjustment cylinder, a first cutting motor is horizontally provided on the first supporting vertical plate, and a first cutting blade is fixed on the rotor of the first cutting motor; A second sliding support block is connected to the piston rod of the second telescopic cylinder, a second distance adjusting cylinder is vertically downwardly arranged on the second sliding support block, a second supporting vertical plate is fixed to the piston rod of the second distance adjusting cylinder, a second cutting motor is horizontally arranged on the second supporting vertical plate, and a second cutting blade is fixed to the rotor of the second cutting motor.

2. The kraft paper cutting device according to claim 1, characterized in that: A first pressure sensor is provided at the joint between the piston rod of the first telescopic cylinder and the first supporting vertical plate; A second pressure sensor is provided at the joint between the piston rod of the second telescopic cylinder and the second supporting vertical plate.

3. The kraft paper cutting device according to claim 1, characterized in that: The second cutting module includes a third supporting plate, on which a third height adjusting cylinder is vertically arranged upward, a third supporting vertical plate is fixed on the piston rod of the third height adjusting cylinder, a third telescopic cylinder is horizontally arranged on the third supporting vertical plate, a fourth supporting vertical plate is fixed on the piston rod of the third telescopic cylinder, a third cutting motor is horizontally arranged on the fourth supporting vertical plate, and a third cutting blade is fixed on the rotor of the third cutting motor.

4. The kraft paper cutting device according to claim 1, characterized in that: The paper unwinding module comprises an unwinding bracket, on which a first supporting cylinder and a second supporting cylinder are symmetrically arranged vertically upward, a first unwinding support plate is fixed on the piston rod of the first supporting cylinder, an unwinding motor is horizontally arranged on the first unwinding support plate, and a first docking block is fixed on the rotor of the unwinding motor; A second unwinding support plate is fixed on the piston rod of the second supporting cylinder, a docking cylinder is horizontally arranged on the second unwinding support plate, and a second docking block is fixed on the piston rod of the docking cylinder.

5. The kraft paper cutting device according to claim 1, characterized in that: The first pressing module includes a first pressing cylinder and a second pressing cylinder symmetrically arranged with respect to the first pressing cylinder. The first pressing cylinder and the second pressing cylinder are both fixed on a conveying bracket. A first pressing support plate and a second pressing support plate are respectively fixed on the piston rod of the first pressing cylinder and the piston rod of the second pressing cylinder. A first pressing roller is rotatably arranged between the first pressing support plate and the second pressing support plate.

6. The kraft paper cutting device according to claim 1, characterized in that: The second pressing module includes a third pressing cylinder and a fourth pressing cylinder symmetrically arranged with the third pressing cylinder. The third pressing cylinder and the fourth pressing cylinder are both fixed on the conveying bracket. A third pressing support plate and a fourth pressing support plate are respectively fixed on the piston rod of the third pressing cylinder and the piston rod of the fourth pressing cylinder. A second pressing roller is rotatably arranged between the third pressing support plate and the fourth pressing support plate.

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