A travelling paperboard pusher device and a paperboard travelling pusher method

Abstract

The application belongs to the technical field of full-automatic box nailing machines, and particularly discloses a paperboard advancing type pushing alignment device and a paperboard advancing pushing alignment method. The device is composed of a folding part output belt, a front pushing claw assembly, a rear pushing claw assembly and a box nailing part input belt. The method comprises the following steps: an electric eye monitors the position of the paperboard in real time; when the front end of the paperboard contacts the front pushing claw, the front pushing claw is started, and at the same time, the rear pushing claw is quickly started to push the rear end of the paperboard; the speed difference between the front pushing claw and the rear pushing claw is set, so that the front pushing claw and the rear pushing claw extrude and align the paperboard. The folding part output belt, the front pushing claw assembly, the rear pushing claw assembly and the box nailing part input belt are arranged, so that the folded paperboard can be aligned without stopping during the advancing of the paperboard. The application has the advantages of simple operation, high precision, high speed and the like, and solves the pain points of the industry.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of full-automatic box nailing machine, in particular to a paperboard advancing and aligning device and a paperboard advancing and aligning method. BACKGROUND

[0002] The full-automatic box nailing machine is an indispensable equipment for the paper box post-production, which is composed of a paper feeding part, a folding part, a box nailing part, a counting and stacking output part and the like. However, the precision of paper box forming and the speed of alignment of the paperboard (folded paperboard) before entering the box nailing part have been the technical bottleneck troubling the industry: in the paper box nailing and folding forming, the folded paperboard often appears misaligned, as shown in Fig. 1, therefore, the misaligned paperboard (folded paperboard) needs to be aligned before entering the box nailing part on the full-automatic box nailing machine, as shown in Fig. 2; if the paperboard is not aligned, it will greatly affect the precision of paper box forming. However, the current technology requires the paperboard to stop for alignment, and the speed of paperboard alignment is low, which greatly affects the overall work efficiency. Figure 1 Figure 2 The present application relates to the technical field of full-automatic box nailing machine, in particular to a paperboard advancing and aligning device and a paperboard advancing and aligning method. SUMMARY

[0003] The present application relates to the technical field of full-automatic box nailing machine, in particular to a paperboard advancing and aligning device and a paperboard advancing and aligning method.

[0004] In order to achieve the above-mentioned purpose, the technical scheme adopted by the present application is as follows:

[0005] A paperboard advancing and aligning method, comprising the following steps:

[0006] Step S1: the front pushing claw assembly and the rear pushing claw assembly are both in standby state;

[0007] At this time, one of the N front pushing claws of the front pushing claw assembly is in standby position: the front pushing claw is vertically arranged at the end of the folding part output belt, wherein N≥2;

[0008] One of the M rear pushing claws of the rear pushing claw assembly is in standby position: the rear pushing claw is parallel to the folding part output belt, wherein M≥2;

[0009] Step S2: after the paperboard is folded by the folding part, the folded paperboard is conveyed forward by the folding part output belt;

[0010] Step S3: the electric eye monitors the position of the paperboard in real time, when the front end of the paperboard contacts the front pushing claw, the front pushing claw in standby position starts, at the same time, the rear pushing claw in standby position starts quickly to push the rear end of the paperboard, at this time, the rear pushing claw is perpendicular to the folding part output belt;

[0011] Step S4: the front pushing claw and the rear pushing claw convey the paperboard simultaneously;​

[0012] Step S5: setting the moving speed of the front pushing claw and the moving speed of the rear pushing claw when the paperboard enters the nailing part input belt and the lower pressing belt of the folding part output belt and the folding part output belt , wherein, < the front pushing claw and the rear pushing claw squeeze and align the paperboard;

[0013] Step S6: setting the moving speed of the front pushing claw, the moving speed of the rear pushing claw and the conveying speed of the nailing part input belt after the paperboard enters the nailing part input belt , , wherein, = = ;

[0014] Step S7: when the rear pushing claw is separated from the rear end of the paperboard, another rear pushing claw in the M rear pushing claws of the rear pushing claw assembly enters the standby position;

[0015] Step S8: when the rear end of the paperboard is separated from the end of the folding part output belt, another front pushing claw in the N front pushing claws of the front pushing claw assembly enters the standby position;

[0016] Step S9: waiting for the next folded paperboard, and repeating steps S2-S8.

[0017] The following is a further limited technical solution of the method in the application, when the front pushing claw and the rear pushing claw are simultaneously feeding the paperboard, the folding part output belt continues to operate, thereby continuously conveying the folded paperboard.

[0018] The following is a further limited technical solution of the method in the application, both the front pushing claw assembly and the rear pushing claw assembly move along a direction parallel to the folding part output belt, and the belt supporting surface of the folding part output belt is flush with the belt supporting surface of the nailing part input belt.

[0019] A traveling paperboard pushing alignment device for realizing the above-mentioned paperboard traveling pushing alignment method, comprising a folding part output belt, a front pushing claw assembly, a rear pushing claw assembly and a nailing part input belt;

[0020] The front pushing claw assembly comprises a front transmission mechanism and N front pushing claws, wherein N≥2, and the N front pushing claws are uniformly distributed and installed on the transmission belt or transmission chain of the front transmission mechanism;

[0021] The rear pushing claw assembly comprises a rear transmission mechanism and M rear pushing claws, wherein M≥2, and the M front pushing claws are uniformly distributed and installed on the transmission belt or transmission chain of the rear transmission mechanism; ​

[0022] When the folding part output belt conveys the folded paperboard into the box nailing part input belt, a front pushing claw and a rear pushing claw respectively abut against the front end and the rear end of the paperboard.

[0023] The folding part output belt includes a folding part lower pressing belt and a folding part supporting belt, and the interval between the folding part lower pressing belt and the folding part supporting belt is matched with the thickness of the folded paperboard.

[0024] The box nailing part input belt includes a box nailing part lower pressing belt and a box nailing part supporting belt, and the interval between the box nailing part lower pressing belt and the box nailing part supporting belt is matched with the thickness of the folded paperboard.

[0025] The supporting surface of the folding part supporting belt is flush with the supporting surface of the box nailing part supporting belt.

[0026] The conveying length of the folding part lower pressing belt is less than the conveying length of the folding part supporting belt.

[0027] The front pushing claw assembly includes a driving gear, a driven gear and a transmission chain, the driving gear and the driven gear are respectively engaged with two ends of the transmission chain, and 2 or 4 front pushing claws are uniformly distributed and installed on each transmission chain.

[0028] The driving gear is fixedly installed on a rotating shaft, the rotating shaft is rotatably installed on the front mounting plate through a bearing, and the rotating shaft is in transmission connection with the output shaft of the first servo motor.

[0029] The driven gear is rotatably installed on a fixed shaft through a bearing, and the fixed shaft is fixedly installed on the front mounting plate.

[0030] The front mounting plate is slidably installed on the rack, the front pushing claw is provided in an L shape, and the front pushing claw assembly is above or below the paperboard.

[0031] The rear pushing claw assembly includes a driving gear, a driven gear and a transmission chain, the driving gear and the driven gear are respectively engaged with two ends of the transmission chain, and 2 or 4 rear pushing claws are uniformly distributed and installed on each transmission chain.

[0032] The driving gear is fixedly installed on a rotating shaft, the rotating shaft is rotatably installed on the rear mounting plate through a bearing, and the rotating shaft is in transmission connection with the output shaft of the second servo motor.

[0033] The driven gear is rotatably installed on a fixed shaft through a bearing, and the fixed shaft is fixedly installed on the rear mounting plate.

[0034] The following is the technical solution of the device further defined in the application, the rear mounting plate is slidingly mounted on the rack, the rear push claw is provided in L shape, and the rear push claw assembly is above or below the paperboard.

[0035] Compared with the prior art, the application has the following technical effects:

[0036] The application can align the folded paperboard without stopping during the paperboard advancing by setting the folding part output belt, front push claw assembly, rear push claw assembly and box nailing part input belt, has the advantages of simple operation, high precision, fast speed and solves the pain point of the industry.

[0037] The application will be further described below in combination with the drawings and examples. DRAWINGS

[0038] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the drawings needed to be used in the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0039] Figure 1 is a structure diagram of the folded paperboard without being pushed to align;

[0040] Figure 2 is a structure diagram of the folded paperboard being pushed to align;

[0041] Figure 3 is a structure diagram of the application;

[0042] Figure 4 is a structure diagram of the application in standby state;

[0043] Figure 5 is a structure diagram of the application when the rear push claw quickly starts to push the paperboard;

[0044] Figure 6 is a structure diagram of the application when the paperboard enters the box nailing part input belt;

[0045] Figure 7 is a structure diagram of the application when the rear push claw and the rear end of the paperboard are about to be separated.

[0046] Reference signs: A, folding part output belt; A1, folding part pressing-down belt; A2, folding part supporting belt; B, front pushing claw assembly; B1, front pushing claw; B2, front mounting plate; C, rear pushing claw assembly; C1, rear pushing claw; C2, rear mounting plate; D, nail box part input belt; D1, nail box part pressing-down belt; D2, nail box part supporting belt; E, paperboard. DETAILED DESCRIPTION

[0047] In order to make the above objectives, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application are described in detail below. In the following description, a large number of specific details are set forth in order to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present application, so the present application is not limited to the specific embodiments disclosed below.

[0048] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0049] In the description of the present application, it should be understood that the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.

[0050] In the embodiments of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0051] As shown in Figure 3 A kind of advancing paperboard pusher device is provided, mainly by folding part output belt A, front pushing claw assembly B, rear pushing claw assembly C and nail box part input belt D, to realize a kind of paperboard advancing pusher method.

[0052] As shown in Figure 4 , the direction of the carton (folded paperboard E) is from right to left, the front pushing claw assembly B can be moved or the rear pushing claw assembly C can be moved according to the size of the carton, or both the front pushing claw assembly B and the rear pushing claw assembly C can be moved forward and backward. Both the front pushing claw assembly B and the rear pushing claw assembly C move along a direction parallel to the folding part output belt A.

[0053] The front pushing claw assembly B includes a driving gear, a driven gear, a transmission chain (or a transmission belt), and N front pushing claws B1, where N≥2, and the N front pushing claws B1 are evenly distributed and installed on the transmission chain (or the transmission belt).

[0054] The driving gear and the driven gear are respectively engaged with both ends of the transmission chain, and 2 or 4 front pushing claws B1 are evenly distributed and installed on each transmission chain. In this embodiment, as shown in Figure 3 and 5 , there are 2 transmission chains, 2 driving gears, and 2 driven gears, forming a symmetrical structure; 2 front pushing claws B1 are evenly distributed and installed on each transmission chain, and the front pushing claw B1 is arranged in an L shape. The specific length of the front pushing claw B1 can be designed according to the size of the machine.

[0055] The driving gear is fixedly installed on a rotating shaft, the rotating shaft is rotatably installed on a front mounting plate B2 through a bearing, and the rotating shaft is in transmission connection with the output shaft of a first servo motor. The driven gear is rotatably installed on a fixed shaft through a bearing, and the fixed shaft is fixedly installed on the front mounting plate B2. Therefore, when the first servo motor operates, it drives the rotating shaft to rotate, thereby driving the driving gear to rotate, and then driving the transmission chain to move, so that the front pushing claw B1 on the transmission chain can move in a cycle.

[0056] The front mounting plate B2 is slidably installed on a rack (not shown in the figure), so that the front and rear movement of the front pushing claw assembly B can be realized. The front pushing claw assembly B is above or below the paperboard E, so the front pushing claw B1 can be above or below the paperboard E.

[0057] The rear pushing claw assembly C includes a driving gear, a driven gear, a transmission chain (or a transmission belt), and M rear pushing claws C1, where M≥2, and the M rear pushing claws C1 are evenly distributed and installed on the transmission chain (or the transmission belt).

[0058] The driving gear and the driven gear are respectively engaged with both ends of the transmission chain, and 2 or 4 rear pushing claws C1 are evenly distributed and installed on each transmission chain. In this embodiment, as shown in Figure 3 and 4As shown, it has 2 transmission chains, 2 driving gears and 2 driven gears, forming a symmetrical structure; 2 rear pushers C1 are evenly distributed and installed on each transmission chain, the rear pusher C1 is set to L type, and the specific length of the rear pusher C1 can be designed according to the size of the machine.

[0059] The driving gear is fixedly installed on the rotating shaft, the rotating shaft is rotatably installed on the rear mounting plate C2 through the bearing, and the output shaft of the second servo motor is drivingly connected with the rotating shaft. The driven gear is rotatably installed on the fixed shaft through the bearing, and the fixed shaft is fixedly installed on the rear mounting plate C2. Therefore, the second servo motor operates to drive the rotating shaft to rotate, thereby driving the driving gear to rotate, and then driving the transmission chain to move, so that the rear pusher C1 on the transmission chain can move circularly.

[0060] The rear mounting plate C2 is slidingly installed on the rack (not shown in the figure), so that the front and rear movement of the rear pusher assembly C can be realized. The rear pusher assembly C is above or below the paperboard E, so that the rear pusher C1 can be above or below the paperboard E.

[0061] The folding part output belt A includes a folding part pressing belt A1 and a folding part supporting belt A2, and the interval between the folding part pressing belt A1 and the folding part supporting belt A2 is matched with the thickness of the folded paperboard E. The conveying length of the folding part pressing belt A1 is less than that of the folding part supporting belt A2.

[0062] The nailing box part input belt D includes a nailing box part pressing belt D1 and a nailing box part supporting belt D2, and the interval between the nailing box part pressing belt D1 and the nailing box part supporting belt D2 is matched with the thickness of the folded paperboard E.

[0063] The supporting surface of the folding part supporting belt A2 is flush with the supporting surface of the nailing box part supporting belt D2.

[0064] A paperboard advancing and aligning method, comprising the following steps:

[0065] Step S1: the front pusher assembly B and the rear pusher assembly C are both in standby state, as shown in Figure 4 ;

[0066] At this time, one of the N front pushers B1 of the front pusher assembly B is in standby position: the front pusher B1 is vertically arranged at the end of the folding part output belt A, wherein N≥2;

[0067] One of the M rear pushers C1 of the rear pusher assembly C is in standby position: the rear pusher C1 is parallel to the folding part output belt A, wherein M≥2.

[0068] Step S2: after the paperboard E is folded by the folding part, the folded paperboard E is conveyed forward by the folding part output belt A.

[0069] Step S3: The electric eye monitors the position of the cardboard E in real time, such as Figure 5 As shown, when the front end of the cardboard E contacts the front pushing claw B1, the front pushing claw B1 in the standby position starts, and at the same time, the rear pushing claw C1 in the standby position starts quickly and pushes to the rear end of the cardboard E. At this time, the rear pushing claw C1 is perpendicular to the folding part output belt A.

[0070] Step S4: The front pushing claw B1 and the rear pushing claw C1 start to convey the cardboard E at the same time. The folding section output belt A continues to operate, thereby continuously conveying the folded cardboard E.

[0071] Step S5: Figure 6 As shown, before the front end of the cardboard E enters the nail box input belt D and the rear end of the cardboard E is separated from the downward pressure belt of the folding part output belt A, the moving speed of the front push claw B1 is set. And the moving speed of the rear push claw C1 ,in, < The front push claw B1 and the rear push claw C1 squeeze and align the cardboard E. By adjusting the moving speed of the front push claw B1 And the moving speed of the rear push claw C1 The speed difference between them is used to realize the degree of squeezing of the cardboard E by the two pushing claws, thereby realizing the cardboard E from Figures 1 to 2 Neat changes.

[0072] Step S6: After the cardboard E enters the staple box input belt D, the cardboard E is aligned and the moving speed of the front push claw B1 is set. , the moving speed of the rear push claw C1 And the conveying speed of the nail box input belt D ,in, = = ;

[0073] Step S7: Figure 7 As shown, after the rear pushing claw C1 is separated from the rear end of the cardboard E, another rear pushing claw C1 of the M rear pushing claws C1 of the rear pushing claw assembly C enters the standby position;

[0074] Step S8: After the rear end of the cardboard E is separated from the end of the folding portion output belt A, another front pushing claw B1 of the N front pushing claws B1 of the front pushing claw assembly B enters a standby position;

[0075] Step S9: Wait for the next folded cardboard E and repeat steps S2-S8. This cycle achieves continuous production.

[0076] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in any form. Any person skilled in the art, without departing from the technical scheme of the present application, can make many possible changes and modifications to the technical scheme of the present application, or modify equivalent embodiments, by using the disclosed methods and technical contents. Therefore, any equivalent changes made according to the shape, structure and principle of the present application, without departing from the technical scheme of the present application, should be covered by the protection scope of the present application.

Claims

1. A cardboard advancing and aligning method, characterized in that: The method is implemented by a traveling cardboard pushing device, which includes a folding part output belt, a front pushing claw assembly, a rear pushing claw assembly and a box nailing part input belt; The front push claw assembly includes a front transmission mechanism and N front push claws, wherein N ≥ 2, and the N front push claws are evenly distributed and installed on the transmission belt or transmission chain of the front transmission mechanism; The rear push claw assembly includes a rear transmission mechanism and M rear push claws, wherein M ≥ 2, and the M front push claws are evenly distributed and installed on the transmission belt or transmission chain of the rear transmission mechanism; When the folded cardboard is transported by the folding section output belt and enters the nail box section input belt, a front push claw and a rear push claw respectively abut against the front end and rear end of the cardboard; The folding part output belt includes a folding part pressing belt and a folding part supporting belt, and the distance between the folding part pressing belt and the folding part supporting belt is adapted to the thickness of the folded paperboard; The nail box part input belt includes a nail box part pressing belt and a nail box part supporting belt, and the distance between the nail box part pressing belt and the nail box part supporting belt is adapted to the thickness of the folded cardboard; The supporting surface of the folding portion support belt is flush with the supporting surface of the nail box portion support belt; The method comprises the following steps: Step S1: Both the front push claw assembly and the rear push claw assembly are in a standby state; At this time, one of the N front pushing claws of the front pushing claw assembly is in a standby position: the front pushing claw is vertically arranged at the end of the output belt of the folding portion, where N ≥ 2; One of the M rear pushing claws of the rear pushing claw assembly is in a standby position: the rear pushing claw is parallel to the folding portion output belt, wherein M ≥ 2; Step S2: After the cardboard is folded by the folding unit, the folded cardboard is conveyed forward by the folding unit output belt; Step S3: The electric eye monitors the position of the cardboard in real time. When the front end of the cardboard contacts the front push claw, the front push claw in the standby position starts. At the same time, the rear push claw in the standby position starts quickly and pushes it to the rear end of the cardboard. At this time, the rear push claw is perpendicular to the folding section output belt. Step S4: The front pushing claw and the rear pushing claw simultaneously convey the cardboard; Step S5: before the front end of the cardboard enters the input belt of the nail box part and the rear end of the cardboard leaves the downward pressure belt of the output belt of the folding part, set the moving speed V1 of the front pushing claw and the moving speed V2 of the rear pushing claw, wherein V1 is less than V2, and the front pushing claw and the rear pushing claw squeeze and align the cardboard; Step S6: After the cardboard enters the staple box input belt, set the moving speed V1 of the front push claw, the moving speed V2 of the rear push claw, and the conveying speed V3 of the staple box input belt, where V1 = V2 = V3; Step S7: After the rear push claw is separated from the rear end of the cardboard, another rear push claw of the M rear push claws of the rear push claw assembly enters a standby position; Step S8: When the rear end of the cardboard is separated from the end of the folding portion output belt, another front pushing claw of the N front pushing claws of the front pushing claw assembly enters a standby position; Step S9: Wait for the next folded cardboard and repeat steps S2-S8.

2. A cardboard advancing and aligning method as claimed in claim 1, characterized in that: When the front pushing claw and the rear pushing claw are feeding the paper at the same time, the folding section output belt continues to work and run, thereby continuously feeding the folded paperboard.

3. A cardboard advancing and aligning method as claimed in claim 1, characterized in that: The front pushing claw assembly and the rear pushing claw assembly both move in a direction parallel to the folding portion output belt, and the belt supporting surface of the folding portion output belt is flush with the belt supporting surface of the nail box portion input belt.

4. A cardboard advancing and aligning method as claimed in claim 1, characterized in that: The conveying length of the folding portion pressing belt is shorter than the conveying length of the folding portion supporting belt.

5. A cardboard advancing and aligning method as claimed in claim 1, characterized in that: The front push claw assembly includes a driving gear, a driven gear and a transmission chain. The driving gear and the driven gear are respectively engaged with the two ends of the transmission chain. Two or four front push claws are evenly distributed and installed on each transmission chain. The driving gear is fixedly mounted on the rotating shaft, the rotating shaft is rotatably mounted on the front mounting plate through a bearing, and the rotating shaft is transmission-connected to the output shaft of the first servo motor; The driven gear is rotatably mounted on the fixed shaft via a bearing, and the fixed shaft is fixedly mounted on the front mounting plate.

6. A cardboard advancing and aligning method as claimed in claim 5, characterized in that: The front mounting plate is slidably mounted on the frame, the front pushing claw is configured in an L-shape, and the front pushing claw assembly is located above or below the cardboard.

7. A cardboard advancing and aligning method as claimed in claim 1, characterized in that: The rear push claw assembly includes a driving gear, a driven gear and a transmission chain. The driving gear and the driven gear are respectively engaged with the two ends of the transmission chain. Two or four rear push claws are evenly distributed and installed on each transmission chain. The driving gear is fixedly mounted on the rotating shaft, the rotating shaft is rotatably mounted on the rear mounting plate through a bearing, and the rotating shaft is transmission-connected to the output shaft of the second servo motor; The driven gear is rotatably mounted on the fixed shaft via a bearing, and the fixed shaft is fixedly mounted on the rear mounting plate.

8. A cardboard advancing and aligning method as claimed in claim 7, characterized in that: The rear mounting plate is slidably mounted on the frame, the rear pushing claw is configured in an L-shape, and the rear pushing claw assembly is located above or below the cardboard.

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