Deviation correcting device of carton paperboard bending mechanism

Abstract

The utility model discloses a deviation rectifying device of a carton paperboard bending mechanism, which relates to the technical field of carton production equipment and particularly comprises a rack, and a front conveying device and a rear conveying device which are used for conveying paperboards are arranged on the rack. A height difference exists between the front conveying device and the rear conveying device, a bending mechanism for bending paperboards is arranged between the front conveying device and the rear conveying device, the bending mechanism comprises two symmetrically-arranged guide rods, and the guide rods upwards extend to the rear conveying device along the outer side of the front conveying device. The rear conveying device is provided with a deviation rectifying device for rectifying the deviation of the plate, the deviation rectifying device comprises a mounting seat, the mounting seat is provided with a belt conveying device driven by a motor, and the conveying speed of the belt conveying device is higher than that of the rear conveying device. And dislocation deviation caused in the conveying and bending process of paperboards can be corrected, and subsequent carton nailing treatment is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of carton production equipment, in particular to an alignment device for a cardboard bending mechanism of a carton. Background Art

[0002] In the production process of cartons, a series of operations such as printing, die-cutting, and laminating are involved. After the cardboard is processed, the corresponding two sides of the cardboard need to be nailed together to form a carton. Before the carton is formed, after the cardboard is creased, generally, a bending mechanism is arranged on a conveyor belt to fold the cardboard.

[0003] CN220129644U discloses a cardboard bending structure of a carton stapling machine, including a frame. An input structure is arranged on the frame. The input structure includes an input table arranged on the frame. The first input belt and the second input belt which are the same in structure and arranged oppositely are respectively arranged on both sides of the input table. The first front edge pressing structure and the first rear edge pressing structure are respectively arranged in front of and behind the first input belt directly above it. The second front edge pressing structure and the second rear edge pressing structure are respectively arranged in front of and behind the second input belt directly above it. The first guiding rod and the second guiding rod are respectively arranged on both sides of the frame. The first guiding rod inclines from bottom to top towards the front end side of the first rear edge pressing structure, and the second guiding rod inclines from bottom to top towards the front end side of the second rear edge pressing structure. The first guiding rod and the second guiding rod cross the side edges of the first input belt and the second input belt. The first rear edge pressing structure is shorter than the second rear edge pressing structure, and the first rear edge pressing structure and the second rear edge pressing structure are arranged in a staggered manner. Although it can complete the folding operation of the cardboard, during the conveying process of the cardboard, the second side b and the third side c of the cardboard are in contact with the conveyor belt, while the first side a and the fourth side d of the cardboard are in contact with the guiding rods for bending. The guiding rods will exert a certain resistance on the cardboard, which will cause a situation where there is a dislocation due to the speed difference between the first side a and the fourth side d of the cardboard and the second side b and the third side c of the cardboard during the advancing process of the cardboard (as Figure 1 shown), affecting the subsequent binding of the carton and causing the carton to be skewed. Summary of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] In order to overcome the deficiencies of the prior art, an alignment device for a cardboard bending mechanism of a carton is proposed, which can perform an alignment function on the cardboard while bending it to prevent dislocation.

[0006] (2) Technical Solutions

[0007] The utility model is realized through the following technical solutions: The utility model provides a deviation rectifying device for a bending mechanism of a carton cardboard, which comprises a frame. A front conveying device and a rear conveying device for conveying the cardboard are arranged on the frame. There is a height difference between the front conveying device and the rear conveying device, and a bending mechanism for bending the cardboard is arranged therebetween. The bending mechanism comprises two symmetrically arranged guide rods, and the guide rods extend upward along the outer side of the front conveying device to the rear conveying device. A deviation rectifying device for rectifying the cardboard is arranged at the rear conveying device. The deviation rectifying device comprises a mounting seat, and a belt conveying device driven by a motor is arranged on the mounting seat. The transmission speed of the belt conveying device is greater than that of the rear conveying device.

[0008] Further, the belt conveying device comprises two driven wheels, and the two driven wheels are synchronously driven by a belt and a driving wheel.

[0009] Further, a tensioning wheel for tensioning the belt is further arranged on the belt conveying device.

[0010] Further, both the front conveying device and the rear conveying device comprise two symmetrically arranged edge-pressing conveying devices, and the deviation rectifying device is arranged between the two edge-pressing conveying devices of the rear conveying device.

[0011] (III) Beneficial effects

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The deviation rectifying device for the bending mechanism of the carton cardboard mentioned in the utility model has a simple structure and is easy to implement. By using the belt conveying device and setting a rotational speed difference, and using the friction force between the cardboard and the belt conveying device, the dislocation deviation caused during the transportation and bending of the cardboard can be corrected, which is convenient for subsequent carton stapling. Description of the drawings

[0014] Figure 1 It is a schematic diagram of the cardboard dislocation situation.

[0015] Figure 2 It is a top view structural schematic diagram of the utility model.

[0016] Figure 3 It is a transmission schematic diagram of the deviation rectifying device.

[0017] 1 - cardboard; 2 - front conveying device; 3 - rear conveying device; 4 - guide rod; 5 - deviation rectifying device; 6 - edge-pressing conveying device; 51 - mounting seat; 52 - belt conveying device; 521 - driven wheel; 522 - belt; 523 - driving wheel; 524 - tensioning wheel; a - first side of the cardboard; b - second side of the cardboard; c - third side of the cardboard; d - fourth side of the cardboard. Specific embodiments

[0018] In order to make the purpose, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0019] As Figures 1 - 3 shown, a deviation rectifying device for a carton cardboard bending mechanism includes a frame. The front and rear ends of the frame are respectively provided with a front conveying device 2 and a rear conveying device 3. The front conveying device 2 and the rear conveying device 3 both include two symmetrically arranged edge pressing conveying devices 6. The edge pressing conveying device 6 includes a pressing roller mechanism arranged in upper and lower layers. Its specific structure has been described in the patent document CN220129644U and will not be elaborated here. There is a height difference between the front conveying device 2 and the rear conveying device 3. The bending mechanism connects the front conveying device 2 and the rear conveying device 3 and includes two symmetrically arranged guide rods 4. The guide rods 4 extend upward along the outside of the edge pressing conveying device 6 of the front conveying device 2 to the edge pressing conveying device 6 of the rear conveying device 3.

[0020] The deviation rectifying device 5 is arranged between the two edge pressing conveying devices 6 of the rear conveying device 3. The deviation rectifying device 5 includes a mounting seat 51. A belt conveying device 52 driven by a motor is arranged on the mounting seat 51. The lower part of the mounting seat 51 can be adjusted by a screw rod mechanism to be suitable for the sizes of different cardboard. The transmission speed of the belt conveying device 52 is greater than that of the rear conveying device 3 and the transmission directions are the same. The belt conveying device 52 includes two driven wheels 521. The two driven wheels 521 are synchronously driven with a driving wheel 523 through a belt 522. A tensioning wheel 524 for tensioning the belt 522 is also arranged on the belt conveying device 52. After being tensioned, the belt 522 contacts the first surface a and the fourth surface d of the folded cardboard. Due to the existence of the speed difference, the first surface a and the fourth surface d of the cardboard will be dragged under the action of friction, so that the misaligned cardboard surface can be corrected.

[0021] A deviation rectifying device for a cardboard bending mechanism of a carton mentioned in the present utility model, when in use, the cardboard is fed from the edge pressing and conveying device 6 of the front conveying device 2, and after being processed by the pressing roller mechanism, the cardboard moves forward. During the movement, the guide rod 4 of the bending mechanism interferes with the first surface a and the fourth surface d of the cardboard, and under the action of the guide rod 4, the cardboard surface bends downward while moving. When the cardboard moves to the rear conveying device 3, the cardboard surface has been completely folded and enters the edge pressing and conveying device 6 of the rear conveying device 3. After being flattened by the pressing roller mechanism, and then when passing through the deviation rectifying device 5, by using the speed difference between the belt conveying device 52 of the deviation rectifying device 5 and the rear conveying device 3, under the action of friction, the first surface a and the fourth surface d of the cardboard will be dragged under the action of friction, so that the misaligned cardboard surface can be corrected.

[0022] The embodiments described above are only descriptions of the preferred embodiments of the present utility model, and do not limit the concept and scope of the present utility model. Without departing from the design concept of the present utility model, various variations and improvements made by those of ordinary skill in the art to the technical solution of the present utility model should all fall within the protection scope of the present utility model. The technical content claimed by the present utility model has been fully recorded in the claims.

Claims

1. An alignment device for a cardboard bending mechanism of a carton, comprising a frame. A front conveying device (2) and a rear conveying device (3) for conveying the cardboard (1) are arranged on the frame. There is a height difference between the front conveying device (2) and the rear conveying device (3), and a bending mechanism for bending the cardboard (1) is arranged between them. The bending mechanism includes two symmetrically arranged guide rods (4). The guide rods (4) extend upward along the outer side of the front conveying device (2) to the rear conveying device (3), and it is characterized in that: A deviation rectifying device (5) for rectifying the cardboard (1) is provided at the rear conveying device (3). The deviation rectifying device (5) includes a mounting base (51), and a belt conveying device (52) driven by a motor is arranged on the mounting base (51). The transmission speed of the belt conveying device (52) is greater than the transmission speed of the rear conveying device (3).

2. The deviation rectifying device of the carton cardboard bending mechanism according to claim 1, characterized in that: The belt conveying device (52) includes two driven wheels (521), and the two driven wheels (521) are synchronously driven by a belt (522) and a driving wheel (523).

3. The deviation rectifying device of the carton cardboard bending mechanism according to claim 2, characterized in that: A tensioning wheel (524) for tensioning the belt (522) is further arranged on the belt conveying device (52).

4. The deviation rectifying device of the carton cardboard bending mechanism according to claim 1, characterized in that: The front conveying device (2) and the rear conveying device (3) both include two symmetrically arranged edge pressing conveying devices (6), and the deviation rectifying device (5) is arranged between the two edge pressing conveying devices (6) of the rear conveying device (3).

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