Paper creasing mechanism

Abstract

A paper creasing mechanism comprises a first pressing roller and a second pressing roller, the second pressing roller is movably arranged up and down relative to the first pressing roller, the paper creasing mechanism further comprises a driving assembly, a first transmission assembly, a second transmission assembly and a transmission device, the driving assembly is in driving connection with the first transmission assembly, and the first transmission assembly is connected with the first pressing roller in a matched mode; the second transmission assembly is matched and connected with the second compression roller, and the transmission device is in transmission connection with the first transmission assembly and the second transmission assembly. The first transmission assembly, the second transmission assembly and the transmission device are arranged and each comprise a gear, and after the second compression roller drives the second transmission assembly to move downwards, the first gear, the gear set and the second gear are sequentially connected with one another, so that the motor can drive the first compression roller and the second compression roller to rotate at the same time when rotating; the rotating speed of the first pressing roller and the rotating speed of the second pressing roller are synchronous, the paper creasing effect is improved, paper creasing is accurate, the two pressing rollers can be driven to rotate only through one motor, and the equipment cost can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of paper manufacturing, in particular to a paper creasing mechanism. Background Art

[0002] Chinese patent document number CN110901161A disclosed a corrugated transverse paper creasing machine on March 24, 2020, including a frame, a first roller shaft is installed on the frame, a first drive motor is installed on the frame, the motor shaft of the first drive motor is connected to the first roller shaft, a sheet carrier matched with the first roller shaft is installed on the frame, a plurality of sheets are arranged on the sheet carrier, and the plurality of sheets are arranged in a row to form a pressing knife, and there is a spacing between adjacent sheets, and during the operation of the creasing machine, the length of the pressing knife is adjustable. This creasing machine indents the paper through the cooperation of the first roller shaft and the second roller shaft, and the first roller shaft and the second roller shaft are driven by two motors respectively, which is costly and difficult to synchronize the rotation speeds of the two roller shafts, so the indentation effect is poor and the indentation is not accurate.

[0003] Therefore, further improvements are necessary. Utility Model Content

[0004] The utility model aims to provide a paper creasing mechanism with simple and reasonable structure, good creasing effect, precise creasing, low cost and strong practicality, so as to overcome the shortcomings of the prior art.

[0005] A paper creasing mechanism designed for this purpose includes a first pressing roller and a second pressing roller, the second pressing roller is movably arranged up and down relative to the first pressing roller, and is characterized in that it also includes a driving component, a first transmission component, a second transmission component and a transmission device, the driving component is drivingly connected to the first transmission component, the first transmission component is cooperatively connected to the first pressing roller, the second transmission component is cooperatively connected to the second pressing roller, and the transmission device is respectively connected to the first transmission component and the second transmission component, and when the second pressing roller moves downward, it drives the second transmission component downward, so that the first transmission component, the transmission device and the second transmission component are engaged with each other in sequence, and then the driving component simultaneously drives the first pressing roller and the second pressing roller to rotate, so as to creasing the paper located between the first pressing roller and the second pressing roller.

[0006] The first transmission assembly includes a first gear, the second transmission assembly includes a second gear, the transmission device includes a gear set, the gear set includes a plurality of third gears engaged with each other, and after the second transmission assembly moves downward, the first gear, the gear set and the second gear engage with each other in sequence.

[0007] The first transmission assembly also includes a first rotating shaft assembly, the second transmission assembly also includes a second rotating shaft assembly, and the transmission device also includes a plurality of third rotating shaft assemblies, the third rotating shaft assemblies correspond to the third gears one by one, the first rotating shaft assembly is connected with the first gear, the second rotating shaft assembly is connected with the second gear, and the third rotating shaft assembly is connected with the corresponding third gear. The first rotating shaft assembly and one of the third rotating shaft assemblies are hinged to each other through the first connecting rod, the second rotating shaft assembly and one of the third rotating shaft assemblies are hinged to each other through the second connecting rod, and two adjacent third rotating shaft assemblies are hinged to each other through the third connecting rod.

[0008] The first rotating shaft assembly comprises a fixed shaft sleeve and a first transmission shaft. The first transmission shaft is rotatably connected to the fixed shaft sleeve. The first transmission shaft is respectively connected to the first gear and the first pressure roller.

[0009] The second rotating shaft assembly at least includes a second transmission shaft, and the second transmission shaft is respectively connected with the second gear and the second pressure roller.

[0010] The third rotating shaft assembly comprises a rotating shaft sleeve and a connecting shaft, the rotating shaft sleeve is cooperatively connected with the connecting shaft, and the third gear is rotationally connected with the connecting shaft.

[0011] The driving assembly comprises a first driver and a synchronous wheel assembly. The first driver is drivingly connected to the synchronous wheel assembly, and the synchronous wheel assembly is drivingly connected to the first transmission shaft.

[0012] It also includes a second driver, a first sliding seat and a first mounting plate. The second driver is drivingly connected to the first sliding seat. The first sliding seat is slidably arranged on the first mounting plate up and down. The second pressure roller is rotatably connected to the first sliding seat.

[0013] It also includes a second mounting plate and a second sliding seat. The fixed sleeve is fixed on the second mounting plate. The second sliding seat is slidably arranged on the second mounting plate. The second transmission shaft is rotatably connected to the second sliding seat.

[0014] The first pressing roller is provided with a first pressing edge, and the second pressing roller is provided with a second pressing edge. When the first pressing roller and the second pressing roller rotate, the first pressing edge cooperates with the second pressing edge to indent the paper.

[0015] The utility model sets a first transmission component, a second transmission component and a transmission device, all of which include gears. After the second pressure roller drives the second transmission component to move downward, the first gear, the gear set and the second gear are engaged with each other in sequence, so that when the motor rotates, the first pressure roller and the second pressure roller can be driven to rotate at the same time, so that the rotation speeds of the first pressure roller and the second pressure roller are synchronized, thereby improving the paper indentation effect and making the paper indentation accurate. In addition, this structure only needs one motor to drive the two pressure rollers to rotate, which can reduce the equipment cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is a schematic diagram of the overall structure of a paper creasing mechanism in one embodiment of the utility model.

[0017] Figure 2 It is a schematic diagram of the overall structure of another aspect of the paper creasing mechanism in one embodiment of the utility model.

[0018] Figure 3 It is a front view of a paper creasing mechanism in one embodiment of the utility model.

[0019] Figure 4-Figure 6 It is a schematic diagram of the local structure of the paper creasing mechanism in different directions in one embodiment of the utility model.

[0020] Figure 7 It is a partial structural schematic diagram of a paper creasing mechanism in one embodiment of the utility model.

[0021] Figure 8 It is a schematic diagram of the overall structure of the first pressing roller or the second pressing roller in one embodiment of the utility model. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0023] See also Figure 1-Figure 8 The paper creasing mechanism is applied to paper slitting equipment, and includes a first pressing roller 1 and a second pressing roller 2. The second pressing roller 2 is movably arranged up and down relative to the first pressing roller 1. It also includes a driving component 3, a first transmission component 4, a second transmission component 5 and a transmission device 26. The driving component 3 is driven and connected to the first transmission component 4. The first transmission component 4 is matched and connected with the first pressing roller 1, and the second transmission component 5 is matched and connected with the second pressing roller 2. The transmission device 26 is respectively connected to the first transmission component 4 and the second transmission component 5. When the second pressing roller 2 moves downward, it drives the second transmission component 5 to move downward, so that the first transmission component 4, the transmission device 26 and the second transmission component 5 are engaged with each other in sequence, and then the driving component 3 simultaneously drives the first pressing roller 1 and the second pressing roller 2 to rotate, so as to creasing the paper located between the first pressing roller 1 and the second pressing roller 2, and the paper is transported to the position between the first pressing roller 1 and the second pressing roller 2 by the transport roller.

[0024] The first transmission assembly 4 includes a first gear 6, the second transmission assembly 5 includes a second gear 7, the transmission device 26 includes a gear set, the gear set includes two third gears 8 engaged with each other, and after the second transmission assembly 5 moves downward, the first gear 6, the gear set and the second gear 7 engage with each other (mesh).

[0025] The first transmission assembly 4 also includes a first rotating shaft assembly, the second transmission assembly 5 also includes a second rotating shaft assembly, and the transmission device 26 also includes two third rotating shaft assemblies, the third rotating shaft assemblies correspond to the third gear 8 one by one, the first rotating shaft assembly is connected with the first gear 6, the second rotating shaft assembly is connected with the second gear 7, and the third rotating shaft assembly is connected with the corresponding third gear 8. The first rotating shaft assembly and one of the third rotating shaft assemblies are hinged to each other through the first connecting rod 9, the second rotating shaft assembly and the other third rotating shaft assembly are hinged to each other through the second connecting rod 10, and the two adjacent third rotating shaft assemblies are hinged to each other through the third connecting rod 11; when the second transmission assembly 5 moves downward, under the swinging action of the connecting rod, the first gear 6, the gear set and the second gear 7 gradually approach each other until the three are meshed with each other; when the second transmission assembly 5 moves upward, under the swinging action of the connecting rod, the first gear 6, the gear set and the second gear 7 gradually move away from each other.

[0026] The first rotating shaft assembly includes a fixed sleeve 12 and a first transmission shaft 13. The first transmission shaft 13 is rotatably connected to the fixed sleeve 12. The first transmission shaft 13 is respectively connected to the first gear 6 and the first pressure roller 1. The first transmission shaft 13 drives the first gear 6 and the first pressure roller 1 to rotate.

[0027] The second rotating shaft assembly at least includes a second transmission shaft 14 , which is respectively connected with the second gear 7 and the second pressure roller 2 . The second gear 7 drives the second transmission shaft 14 to rotate, and then the second transmission shaft 14 drives the second pressure roller 2 to rotate.

[0028] The third rotating shaft assembly includes a rotating shaft sleeve 15 and a connecting shaft 16 . The rotating shaft sleeve 15 is cooperatively connected with the connecting shaft 16 . The third gear 8 is rotationally connected with the connecting shaft 16 . The first gear 6 drives the second gear 7 to rotate through the third gear 8 .

[0029] The fixed shaft sleeve 12 and one of the rotating shaft sleeves 15 are hinged to each other through the first connecting rod 9 , the two rotating shaft sleeves 15 are hinged to each other through the third connecting rod 11 , and the other rotating shaft sleeve 15 and the second transmission shaft 14 are hinged to each other through the second connecting rod 10 .

[0030] The driving assembly 3 includes a first driver 17 and a synchronous wheel assembly 18, the first driver 17 drives and connects the synchronous wheel assembly 18, and the synchronous wheel assembly 18 is connected to the first transmission shaft 13 in transmission connection; the first driver 17 is a motor, and the synchronous wheel assembly 18 includes a driving wheel, a driven wheel and a transmission belt, the motor drives and connects the driving wheel, the driving wheel is connected to the driven wheel through a transmission belt, and the driven wheel is connected to the first transmission shaft 13; after the second transmission assembly 5 moves downward, the first driver 17 drives the first transmission shaft 13 to rotate through the synchronous wheel assembly 18, the first transmission shaft 13 drives the first gear 6 and the first pressure roller 1 to rotate, the first gear 6 drives the second gear 7 to rotate through the third gear 8, the second gear 7 drives the second transmission shaft 14 to rotate, and then the second transmission shaft 14 drives the second pressure roller 2 to rotate; the outer diameters of the first gear 6, the second gear 7 and the third gear 8 are the same, so the rotation speeds of the first pressure roller 1 and the second pressure roller 2 are basically the same, so that the rotation speeds of the two are synchronized.

[0031] The invention also includes a second driver 19, a first sliding seat 20 and a first mounting plate 21. The second driver 19 drives and connects the first sliding seat 20. The first sliding seat 20 is slidably arranged on the first mounting plate 21 up and down. The second pressure roller 2 is rotatably connected to the first sliding seat 20. The two ends of the second pressure roller 2 are respectively provided with rotating shafts 27, wherein one rotating shaft 27 is connected to the second transmission shaft 14. The rotating shaft 27 is rotatably connected to the first sliding seat 20. The second driver 19 drives the first sliding seat 20 to move up and down. The first sliding seat 20 drives the second transmission shaft 14 to move up and down through the rotating shaft 27. Under the swinging action of the connecting rod, the first gear 6, the gear set and the second gear 7 gradually approach or move away from each other. The second driver 19 is a cylinder. The second driver 19, the first sliding seat 20 and the first mounting plate 21 are respectively arranged at the two ends of the second pressure roller 2. The first mounting plate 21 is fixed on the body of the paper slitting device, and the second driver 19 is fixed on the first mounting plate 21.

[0032] It also includes a second mounting plate 22 and a second sliding seat 23. The fixed sleeve 12 is fixed on the second mounting plate 22. The second sliding seat 23 is slidably arranged on the second mounting plate 22. The second transmission shaft 14 is rotatably connected to the second sliding seat 23. The second transmission shaft 14 drives the second sliding seat 23 to move up and down, so that the movement of the second transmission shaft 14 is more stable. The second mounting plate 22 is fixed on the body of the paper slitting equipment, and the first driver 17 is fixed on the second mounting plate 22.

[0033] The first mounting plate 21 and the second mounting plate 22 are provided with guide rails 28 , and the first sliding seat 20 and the second sliding seat 23 are provided with guide grooves 29 , which are slidably guided in cooperation with the guide rails 28 .

[0034] The first pressing roller 1 is provided with a first pressing edge 24, and the second pressing roller 2 is provided with a second pressing edge 25. When the first pressing roller 1 and the second pressing roller 2 rotate, the first pressing edge 24 and the second pressing edge 25 cooperate to indent the paper; the first pressing roller 1 and the second pressing roller 2 rotate in opposite directions.

[0035] The above is a preferred embodiment of the utility model, which shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A paper creasing mechanism, comprising a first pressing roller (1) and a second pressing roller (2), wherein the second pressing roller (2) is movably arranged up and down relative to the first pressing roller (1), characterized in that: The invention also comprises a driving assembly (3), a first transmission assembly (4), a second transmission assembly (5) and a transmission device (26); the driving assembly (3) is drivingly connected to the first transmission assembly (4); the first transmission assembly (4) is cooperatively connected to the first pressing roller (1); the second transmission assembly (5) is cooperatively connected to the second pressing roller (2); the transmission device (26) is drivingly connected to the first transmission assembly (4) and the second transmission assembly (5) respectively; when the second pressing roller (2) moves downward, it drives the second transmission assembly (5) to move downward, so that the first transmission assembly (4), the transmission device (26) and the second transmission assembly (5) are sequentially engaged with each other, and then the driving assembly (3) simultaneously drives the first pressing roller (1) and the second pressing roller (2) to rotate, so as to indent the paper between the first pressing roller (1) and the second pressing roller (2).

2. The paper creasing mechanism according to claim 1, characterized in that: The first transmission assembly (4) includes a first gear (6), the second transmission assembly (5) includes a second gear (7), the transmission device (26) includes a gear set, the gear set includes a plurality of third gears (8) that engage with each other, and after the second transmission assembly (5) moves downward, the first gear (6), the gear set and the second gear (7) engage with each other in sequence.

3. The paper creasing mechanism according to claim 2, characterized in that: The first transmission assembly (4) also includes a first rotating shaft assembly, the second transmission assembly (5) also includes a second rotating shaft assembly, and the transmission device (26) also includes a plurality of third rotating shaft assemblies, the third rotating shaft assemblies correspond to the third gears (8) one by one, the first rotating shaft assembly is connected to the first gear (6), the second rotating shaft assembly is connected to the second gear (7), the third rotating shaft assembly is connected to the corresponding third gear (8), the first rotating shaft assembly and one of the third rotating shaft assemblies are hinged to each other through the first connecting rod (9), the second rotating shaft assembly and one of the third rotating shaft assemblies are hinged to each other through the second connecting rod (10), and two adjacent third rotating shaft assemblies are hinged to each other through the third connecting rod (11).

4. The paper creasing mechanism according to claim 3, characterized in that: The first rotating shaft assembly comprises a fixed shaft sleeve (12) and a first transmission shaft (13). The first transmission shaft (13) is rotatably connected to the fixed shaft sleeve (12). The first transmission shaft (13) is respectively connected in cooperation with the first gear (6) and the first pressure roller (1).

5. The paper creasing mechanism according to claim 4, characterized in that: The second rotating shaft assembly at least comprises a second transmission shaft (14), and the second transmission shaft (14) is respectively connected to the second gear (7) and the second pressure roller (2).

6. The paper creasing mechanism according to claim 3, characterized in that: The third rotating shaft assembly comprises a rotating shaft sleeve (15) and a connecting shaft (16). The rotating shaft sleeve (15) is cooperatively connected with the connecting shaft (16), and the third gear (8) is rotationally connected with the connecting shaft (16).

7. The paper creasing mechanism according to claim 4, characterized in that: The driving assembly (3) comprises a first driver (17) and a synchronous wheel assembly (18); the first driver (17) is drivingly connected to the synchronous wheel assembly (18); and the synchronous wheel assembly (18) is drivingly connected to the first transmission shaft (13).

8. The paper creasing mechanism according to claim 5, characterized in that: The invention also comprises a second driver (19), a first sliding seat (20) and a first mounting plate (21), wherein the second driver (19) is drivingly connected to the first sliding seat (20), the first sliding seat (20) is slidably arranged on the first mounting plate (21) up and down, and the second pressing roller (2) is rotatably connected to the first sliding seat (20).

9. The paper creasing mechanism according to claim 8, characterized in that: It also includes a second mounting plate (22) and a second sliding seat (23), the fixed sleeve (12) is fixed on the second mounting plate (22), the second sliding seat (23) is slidably arranged on the second mounting plate (22) up and down, and the second transmission shaft (14) is rotatably connected to the second sliding seat (23).

10. The paper creasing mechanism according to claim 1, characterized in that: The first pressing roller (1) is provided with a first pressing edge (24), and the second pressing roller (2) is provided with a second pressing edge (25). When the first pressing roller (1) and the second pressing roller (2) rotate, the first pressing edge (24) and the second pressing edge (25) cooperate to indent the paper.

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