Conveying and tensioning mechanism for paper feeding machine of die-cutting machine

Abstract

The utility model discloses a conveying and tensioning mechanism for a paper feeding machine of a die-cutting machine. The conveying and tensioning mechanism comprises a driving roller, a side conveying belt, a middle conveying belt, a base and a tensioning device. The driving roller is arranged at the front end of the base; the tensioning device is arranged at the rear end of the base, and a plurality of independent tensioning modules are arranged on the tensioning device; the number of the middle conveying belts is at least one, one end of each middle conveying belt is connected with a driving roller, and the other end of each middle conveying belt is connected with an independent tensioning module. The multiple side conveying belts are arranged on the two sides of the middle conveying belt, one end of each side conveying belt is connected with the driving roller, and the other end of each side conveying belt is connected with an independent tensioning module. The tensioning device is provided with a plurality of independent tensioning modules which are respectively connected with each belt, and the tensioning force of each belt can be independently and accurately controlled and adjusted, so that the conveying pressure between two rollers is balanced, and the belts are not easy to deviate.

Description

Technical Field

[0001] The utility model relates to a conveying mechanism of a die-cutter paper feeder, in particular to a conveying tensioning mechanism of a die-cutter paper feeder. Background Art

[0002] When the die-cutter is working, it is necessary to continuously feed paper inside the die-cutter. In the conveying structure of the die-cutter paper feeder on the market, the active belt roller drives the driven belt roller, and the tensioning shaft mechanism is used in the middle for tensioning. The structure is relatively complex, and all belts can only be adjusted synchronously. The conveying belt with large bends is prone to deviation. The operator needs to debug based on experience, which wastes a lot of time, increases the labor intensity of the operator, and reduces production efficiency. Summary of the invention

[0003] In view of the above existing technical problems, the utility model provides a conveying tensioning mechanism for a die-cutter paper feeder, which can adjust the tension of each belt individually, so that the conveying pressure between the two rollers is balanced and the belt is not easy to deviate.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions: a conveying and tensioning mechanism of a die-cutter paper feeder, comprising a driving roller, a side conveyor belt, an intermediate conveyor belt, a base and a tensioning device; the driving roller is arranged at the front end of the base; the tensioning device is arranged at the rear end of the base, and there are multiple independent tensioning modules on the tensioning device; there is at least one intermediate conveyor belt, one end of all the intermediate conveyor belts is connected to the driving roller, and the other end of each intermediate conveyor belt is connected to an independent tensioning module; there are multiple side conveyor belts, which are arranged on both sides of the intermediate conveyor belt, one end of all the side conveyor belts is connected to the driving roller, and the other end of each side conveyor belt is connected to an independent tensioning module.

[0005] The utility model further comprises a crossbeam; the same number of tensioning modules as the middle conveyor belt is fixed in the middle of the crossbeam, and adjustment grooves are arranged on both sides of the crossbeam, and the same number of tensioning modules as the side conveyor belts are installed on the adjustment grooves, and the tensioning modules can adjust their own positions laterally in the adjustment grooves.

[0006] The utility model further provides that the tensioning module includes a driven wheel, a core shaft and a mounting seat; support holes for the core shaft are provided on both sides of the mounting seat, and locking ear plates are formed on both sides of the mounting seat; the driven wheel is mounted on the core shaft through a bearing, and both ends of the core shaft are in the support holes of the mounting seat, and both ends of the core shaft are connected with adjustment screws, and the positions of the driven wheel and the core shaft in the support holes can be adjusted by the adjustment screws, and are fixed by locking nuts.

[0007] Further, the utility model has three middle conveyor belts, two side conveyor belts are respectively provided on both sides of the middle conveyor belt, and seven tensioning modules are provided accordingly.

[0008] Furthermore, in the present invention, the bottom of the tensioning module is mounted on the adjusting slot by means of fixing screws.

[0009] Furthermore, in the utility model, baffles are formed on both sides of the driven wheel.

[0010] Furthermore, the utility model has spacers on both sides of the core shaft.

[0011] The beneficial effect of adopting the above technical solution is: the utility model eliminates the middle tensioning shaft and adopts a tensioning device. The tensioning device has multiple independent tensioning modules, which are respectively connected to each belt. The tensioning force of each belt can be accurately controlled and adjusted individually. The pulling force of the longitudinal driven tensioning shaft can be adjusted individually to balance the conveying pressure between the two rollers, and the belt is not easy to deviate. The lateral position of the belt can also be adjusted individually, and the paper is not easy to skew during the paper feeding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 It is a structural schematic diagram of the tensioning device of the utility model;

[0014] Figure 3 This is a schematic diagram of the structure of the tensioning module of the utility model;

[0015] In the figure: 1. driving roller, 2. side conveyor belt, 3. middle conveyor belt, 4. base, 5. tensioning device, 6. cross beam, 7. tensioning module, 8. adjusting groove, 9. driven wheel, 10. baffle, 11. spacer, 12. mounting seat, 13. fixing screw, 14. core shaft, 15. locking ear plate, 16. locking nut, 17. adjusting screw. DETAILED DESCRIPTION

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0017] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0018] An embodiment of the present utility model: Figure 1 and Figure 2As shown, a conveying tensioning mechanism of a die-cutting machine paper feeder includes a driving roller 1, a side conveyor belt 2, an intermediate conveyor belt 3, a base 4 and a tensioning device 5; the driving roller 1 is arranged at the front end of the base 4; the tensioning device 5 is arranged at the rear end of the base 4, and there are multiple independent tensioning modules 7 on the tensioning device 5; there is at least one intermediate conveyor belt 3, one end of all the intermediate conveyor belts 3 is connected to the driving roller 1, and the other end of each intermediate conveyor belt 3 is connected to an independent tensioning module 7; there are multiple side conveyor belts 2, which are arranged on both sides of the intermediate conveyor belt 3, one end of all the side conveyor belts 2 is connected to the driving roller 1, and the other end of each side conveyor belt 2 is connected to an independent tensioning module 7. This embodiment adopts a new type of tensioning device 5, and there are multiple independent tensioning modules 7 on the tensioning device 5, which are respectively connected to each belt, and the tension of each belt can be individually and accurately controlled and adjusted, and the pulling force of the longitudinal driven tensioning shaft can be individually adjusted to make the conveying pressure between the two rollers balanced, and the belt is not easy to deviate.

[0019] In other specific embodiments of the present invention, the rest is the same as the above embodiments, except that: Figure 2 As shown, the tensioning device 5 also includes a crossbeam 6; the same number of tensioning modules 7 as the middle conveyor belt 3 are fixed in the middle of the crossbeam 6, and adjustment slots 8 are arranged on both sides of the crossbeam 6. The same number of tensioning modules 7 as the side conveyor belt 2 are installed on the adjustment slots 8, and the tensioning modules 7 can adjust their positions transversely in the adjustment slots 8. The tensioning modules 7 can move transversely on the adjustment slots 8, and synchronously move and adjust the position of the belt at one end of the active roller 1. After adjusting the position, the tensioning modules 7 can be fixed, so that the transverse position of each side conveyor belt 2 can be adjusted separately, and the paper is not easy to be skewed during the paper feeding process. The middle conveyor belt 3 can be set to a fixed form without moving.

[0020] In other specific embodiments of the present invention, the rest is the same as the above embodiments, except that: Figure 3 As shown, the tensioning module 7 includes a driven wheel 9, a mandrel 14 and a mounting seat 12; the mounting seat 12 has support holes for the mandrel 14 on both sides, and locking lugs 15 are formed on both sides of the mounting seat 12; the driven wheel 9 is mounted on the mandrel 14 through a bearing, and both ends of the mandrel 14 are in the support holes of the mounting seat 12, and both ends of the mandrel 14 are connected with adjustment screws 17, and the positions of the driven wheel 9 and the mandrel 14 in the support holes can be adjusted by adjusting screws 17, and fixed by locking nuts 16. When the longitudinal tension of the belt needs to be adjusted, the mandrel 14 can be moved forward and backward in the support hole by screwing the adjustment screws 17, thereby driving the belt on the driven wheel 9 to move, so as to adjust the tension of the belt. After the adjustment is completed, it can be fixed by locking nuts 16.

[0021] In other specific embodiments of the present invention, the rest is the same as the above embodiments, except that: Figure 2 As shown, there are three middle conveyor belts 3, two side conveyor belts 2 are respectively provided on both sides of the middle conveyor belt 3, and there are seven corresponding tension modules 7. The number of conveyor belts is adjusted according to the actual situation such as the paper size and customer demand, while ensuring that each belt is connected to an independent tension module 7.

[0022] In other specific embodiments of the present invention, the rest is the same as the above embodiments, except that: Figure 2 and Figure 3 As shown, the bottom of the tensioning module 7 is mounted on the adjustment slot 8 by means of a fixing screw 13, and the tensioning module 7 can be locked or loosened by tightening a nut.

[0023] In other specific embodiments of the present invention, the rest is the same as the above embodiments, except that: Figure 3 As shown, baffles 10 are formed on both sides of the driven wheel 9 to effectively prevent the belt from deviating to the left or right.

[0024] In other specific embodiments of the present invention, the rest is the same as the above embodiments, except that: Figure 3 As shown, there are spacers 11 on both sides of the core shaft 14 to prevent the core shaft 14 from being removed from the supporting hole, thereby playing a role in limiting the core shaft.

[0025] Of course, the above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with this technology to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the main technical solution of the utility model should be included in the protection scope of the utility model.

Claims

1. A conveying tensioning mechanism for a die-cutter paper feeder, characterized in that: It includes a driving roller, a side conveyor belt, an intermediate conveyor belt, a base and a tensioning device; The active roller is arranged at the front end of the base; The tensioning device is arranged at the rear end of the base, and has a plurality of independent tensioning modules; There is at least one intermediate conveyor belt, one end of all the intermediate conveyor belts is connected to the driving roller, and the other end of each intermediate conveyor belt is connected to an independent tensioning module; There are multiple side conveyor belts arranged on both sides of the middle conveyor belt. One end of all the side conveyor belts is connected to the active roller, and the other end of each side conveyor belt is connected to an independent tensioning module.

2. A conveying and tensioning mechanism for a die-cutter paper feeder according to claim 1, characterized in that: The tensioning device also includes a crossbeam; the same number of tensioning modules as the middle conveyor belt is fixed in the middle of the crossbeam, and adjustment grooves are provided on both sides of the crossbeam, and the same number of tensioning modules as the side conveyor belts are installed on the adjustment grooves. The tensioning modules can adjust their positions laterally in the adjustment grooves.

3. A conveying and tensioning mechanism for a die-cutter paper feeder according to claim 2, characterized in that: The tensioning module includes a driven wheel, a core shaft and a mounting seat; support holes for the core shaft are provided on both sides of the mounting seat, and locking ear plates are formed on both sides of the mounting seat; the driven wheel is mounted on the core shaft through a bearing, and both ends of the core shaft are in the support holes of the mounting seat, and both ends of the core shaft are connected with adjustment screws, and the positions of the driven wheel and the core shaft in the support holes can be adjusted by the adjustment screws, and are fixed by locking nuts.

4. A conveying and tensioning mechanism for a die-cutter paper feeder according to claim 1 or 2, characterized in that: There are three middle conveyor belts, two side conveyor belts are respectively provided on both sides of the middle conveyor belt, and there are seven corresponding tensioning modules.

5. A conveying and tensioning mechanism for a die-cutter paper feeder according to claim 3, characterized in that: The bottom of the tensioning module is mounted on the adjusting slot by means of fixing screws.

6. A conveying and tensioning mechanism for a die-cutter paper feeder according to claim 3, characterized in that: Baffles are formed on both sides of the driven wheel.

7. A conveying and tensioning mechanism for a die-cutter paper feeder according to claim 3, characterized in that: There are spacers on both sides of the mandrel.

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