Automatic horse tooth packaging and forming device, forming method and control method

Abstract

The invention belongs to the technical field of paper roll packaging, and particularly provides an automatic horse tooth packaging and forming device, a forming method and a control method.The automatic horse tooth packaging and forming device comprises a base, a vertical displacement assembly and a forming assembly, the vertical displacement assembly comprises a motor chain wheel and chain structure, an encoder and a detection sensor; the encoder is installed at the driving end of the motor and used for detecting the lifting position of the vertical displacement assembly. The detection sensor is used for carrying out limiting detection on the displacement range of the vertical displacement assembly; the forming assembly is used for conducting edge folding forming on the end socket. The forming assembly comprises a support, a horizontal displacement assembly, a mounting frame, an edge folding forming assembly and a pressing wheel detection assembly. The height position of the forming assembly is adjusted through the vertical displacement assembly so that the forming assembly can meet the packaging requirements of paper rolls in different diameter ranges; the end socket is subjected to edge pre-folding treatment through the swing forming plate, and then the end socket is subjected to final edge folding forming through the fixed forming plate, so that the forming effect is effectively guaranteed.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of paper roll packaging, and relates to a zigzag edge automatic packaging and forming device, a forming method and a control method. BACKGROUND

[0002] The end face of a paper roll is prone to damage during long-distance transportation and loading and unloading, and zigzag edge packaging can well protect the end face of the paper roll. However, at present, zigzag edge packaging is basically manually performed in China, which is labor-intensive, low in efficiency, low in use safety, and high in labor cost. In order to improve the packaging efficiency and packaging effect and reduce the labor intensity, an automatic zigzag edge packaging system needs to be developed. SUMMARY

[0003] The zigzag edge automatic packaging and forming device comprises a base, a vertical displacement assembly and a forming assembly arranged on the base. The base is arranged upward along the vertical direction. The vertical displacement assembly comprises a motor chain wheel and chain structure, an encoder and a detection sensor. The fixed end of the motor in the motor chain wheel and chain structure is fixedly connected with the base, the driving end of the motor is connected with the driving chain wheel, the driven chain wheel is rotatably connected with the base, the chain is sleeved on the driving chain wheel and the driven chain wheel, and the chain is rotated by the driving of the motor. The encoder is installed on the driving end of the motor and is used for detecting the lifting position of the vertical displacement assembly. The detection sensor is provided with two groups of detection sensors which are arranged at intervals along the vertical direction of the base, and the two groups of detection sensors are used for limiting detection of the displacement range of the vertical displacement assembly. The forming assembly is installed on the second connecting seat and is used for edge folding forming of the end cover. The forming assembly comprises a support, a horizontal displacement assembly, a mounting frame, an edge folding forming assembly and a pressure roller detection assembly. The fixed end of the horizontal displacement assembly is connected with the base, the driving end of the horizontal displacement assembly is fixedly connected with the support, and the support is driven to displace along the horizontal direction. One end of the mounting frame is hingedly connected with the support, and the other end of the mounting frame is hingedly connected with the support through the swing cylinder. The pressure roller detection assembly comprises a connecting shaft, a sensing pressure roller, a spring and a proximity sensor. The connecting shaft is installed on the support and can displace along the vertical direction of the support. The sensing pressure roller is installed on the end of the connecting shaft away from the support, the spring is sleeved on the connecting shaft, and the proximity sensor is installed on the support and is used for sensing the upper end of the connecting shaft.

[0004] Further, the edge folding forming assembly comprises a swing cylinder, a swing forming plate and a fixed forming plate. The swing forming plate is fixedly connected with the mounting frame and is used for pressing and folding the end cover through the driving of the swing cylinder. The fixed forming plate is arranged at the back side of the swing forming plate and is used for re-folding the end cover which has been pre-folded.

[0005] Further, the swing forming plate is arranged as a variable-diameter spiral blade structure. The fixed forming plate comprises an integrally formed inclined transition section and a fixed forming section; the inclined transition section is close to the swing forming plate.

[0006] Further, the automatic packaging and forming device for horse-tooth-shaped products further comprises a first connecting seat and a second connecting seat. One end of the first connecting seat is fixedly connected with the chain, and the other end of the first connecting seat is arranged to extend in the horizontal direction. The second connecting seat is fixedly installed on the extended end of the first connecting seat.

[0007] Preferably, the automatic packaging and forming device for horse-tooth-shaped products further comprises a controller, and the controller is signal-connected with the motor, the encoder, the detection sensor, the proximity sensor and the horizontal displacement assembly.

[0008] As a further scheme of the present application, the present application further provides an automatic packaging and forming method for horse-tooth-shaped products, comprising the following steps: Step 1, preparation work; Assembling the automatic packaging and forming device for horse-tooth-shaped products as described above; The external paper roll conveying structure conveys the paper roll to the designated position; The external head conveying structure conveys the head to the designated position; Step 2, automatic forming; According to the diameter of the paper roll, the vertical displacement assembly is driven to displace the forming assembly to the corresponding height position, and the proximity switch is used to check the displacement; When the sensing pressure roller contacts the side edge of the paper roll and a certain pressure exists between them, the sensing sheet arranged on the connecting shaft blocks the emission end light of the proximity sensor, so that the controller obtains the displacement signal, and the horizontal displacement assembly is in a self-holding state, so as to realize the accurate positioning between the swing forming plate and the paper roll; The paper roll rotates, and the swing forming plate and the fixed forming plate perform edge forming on the head.

[0009] As a further scheme of the present application, the present application further provides an automatic packaging and forming control method for horse-tooth-shaped products, which is applied to the automatic packaging and forming device for horse-tooth-shaped products as described above, and comprises the following steps: Step 1, based on the width and diameter of the paper roll, the displacement distance of the vertical displacement assembly is calculated and fed back to the controller; The displacement distance of the vertical displacement assembly is calculated in the following manner: Displacement distance = initial position height of the forming assembly - (diameter of the paper roll + lifting height); Step 2, based on the displacement distance of the vertical displacement assembly, the controller drives the vertical displacement assembly to displace to the designated position; Step 3, the controller judges whether the forming assembly is in place based on the signal fed back by the proximity sensor; when the forming assembly is in place, the edge forming assembly performs edge forming on the head, and the automatic packaging forming of the horse-tooth is completed.

[0010] Further, the specific process that the controller judges whether the forming assembly is in place based on the signal fed back by the proximity sensor is: When the proximity sensor does not detect the pressure signal generated by the reverse force between the sensing pressure wheel and the paper roll, it is judged that the displacement distance of the vertical displacement assembly is less than the actual displacement distance; If the displacement distance of the vertical displacement assembly is less than the actual displacement distance, the displacement distance of the vertical displacement assembly is corrected, and displacement is performed based on the corrected displacement distance.

[0011] Further, the specific process of correcting the displacement distance of the vertical displacement assembly is: The PLC reads the pulse signal of the pulse encoder arranged on the vertical displacement assembly, converts the motor gear diameter through the gear ratio and diameter of the motor, and then calculates the actual physical displacement value of the motor rotating one circle, and finally obtains the proportional relationship between the pulse value and the moving position value; The displacement value of the motor movement can be monitored by monitoring the encoder pulse value read by the PLC, and the displacement value of the motor movement is the theoretical displacement distance of the vertical displacement assembly.

[0012] Compared with the prior art, the present application has the following beneficial effects: The automatic packaging forming device for horse-tooth provided by the present application adjusts the height position of the forming assembly through the vertical displacement assembly, so as to adapt to the packaging requirements of paper rolls with different diameters; the head is pre-flanged by the swing forming plate, and then the head is finally flanged by the fixed forming plate, so as to effectively ensure the forming effect.

[0013] In addition to the purposes, features and advantages described above, the present application has other purposes, features and advantages. The present application will be further described below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0014] The drawings that form a part of this application are used to provide a further understanding of the present application, and the schematic embodiments of the present application and their descriptions are used to explain the present application, and do not constitute an improper limitation on the present application. In the drawings: Figure 1 is a schematic diagram of the overall structure of an automatic packaging forming device for horse-tooth in embodiment 1 of the present application; Figure 2 is Figure 1 a first perspective view of the forming assembly in Figure 3 is Figure 2 is a second perspective view of the forming assembly.

[0015] wherein: 1, base, 2, vertical displacement assembly, 3, first guide assembly, 4, first connecting seat, 5, second connecting seat, 6, forming assembly, 6.1, support, 6.2, horizontal displacement assembly, 6.3, second guide assembly, 6.4, swing forming plate, 6.5, fixed forming plate, 6.6, pressure roller detection assembly, 6.9, mounting bracket, 6.10, swing cylinder. DETAILED DESCRIPTION

[0016] In order to make the above-mentioned purposes, features and advantages of the present application more clear and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings. It should be noted that the drawings of the present application are all simplified and use non-accurate proportions, and are only used to facilitate and clearly assist in explaining the implementation of the present application; the number of several mentioned in the present application is not limited to the specific number in the example of the drawings; the directions or positional relationships mentioned in the present application, such as 'front','middle','rear', 'left', 'right', 'top', 'bottom', 'top', 'bottom','middle', etc., are all based on the directions or positional relationships shown in the drawings of the present application, and do not indicate or imply that the devices or parts referred to must have a particular orientation, nor can it be understood as a limitation on the present application.

[0017] Example 1: Referring to Figures 1 to 3 The automatic packaging and forming device for horse teeth provided by the present application comprises a base 1, a vertical displacement assembly 2, a first connecting seat 4, a second connecting seat 5 and a forming assembly 6. One end of the base 1 is fixedly connected with a mounting table, and the other end of the base 1 is arranged to extend upward in the vertical direction. The vertical displacement assembly 2 is preferably arranged in the form of a motor chain wheel and chain structure, the fixed end of the motor is fixedly connected with the base 1, the driving end of the motor is connected with a driving chain wheel, a driven chain wheel is rotatably connected with the base 1, and a chain is sleeved on the driving chain wheel and the driven chain wheel and is rotated by the driving of the motor. One end of the first connecting seat 4 is fixedly connected with the chain, so as to be displaced along the vertical direction of the base 1 by the chain; the other end of the first connecting seat 4 is arranged to extend in the horizontal direction. The second connecting seat 5 is fixedly installed on the extended end of the first connecting seat 4. The forming assembly 6 is installed on the second connecting seat 5 and is used for edge forming of the head.

[0018] Preferably, to ensure the stability of the first connecting seat 4 during the vertical displacement, at least one set of first guiding assemblies 3 is arranged on the base 1 in the vertical direction, and each set of the first guiding assemblies 3 comprises a first guiding rail and a first sliding block matched with each other, the first guiding rail is fixedly installed on the base 1, and the first sliding block is fixedly connected with the first connecting seat 4.

[0019] Preferably, an encoder is arranged on the vertical displacement assembly 2, which is used to determine the displacement distance of the vertical displacement assembly 2. Specifically, the encoder is connected with the motor driving end in the vertical displacement assembly 2.

[0020] Further preferably, a detection sensor is arranged on the base 1, which is used to limit the displacement range of the vertical displacement assembly 2, so as to prevent the encoder from malfunctioning and causing the operation failure of the vertical displacement assembly 2.

[0021] Preferably, the forming assembly 6 comprises a support 6.1, a horizontal displacement assembly 6.2, a mounting frame 6.9, a swing cylinder 6.10, a swing forming plate 6.4, a fixed forming plate 6.5 and a pressure roller detection assembly 6.6. The fixed end of the horizontal displacement assembly 6.2 is connected with the two second connecting seats 5, and the driving end of the horizontal displacement assembly 6.2 is fixedly connected with the support 6.1, which is used to drive the support 6.1 to displace in the horizontal direction. One end of the mounting frame 6.9 is hingedly connected with the support 6.1 through a hinge seat, and the other end of the mounting frame 6.9 is hingedly connected with the support 6.1 through the swing cylinder 6.10. The swing forming plate 6.4 is fixedly connected with the mounting frame 6.9, and the swing cylinder 6.10 is used to drive the swing forming plate 6.4 to press and fold the end cover, so as to realize the pre-folding of the end cover. The fixed forming plate 6.5 is arranged at the back side of the swing forming plate 6.4, which is used to fold the end cover again after the pre-folding, so as to realize the folding forming of the end cover. The pressure roller detection assembly 6.6 comprises a connecting shaft, a sensing pressure roller, a spring and a proximity sensor. The connecting shaft is installed on the support 6.1, and the connecting shaft can displace in the vertical direction of the support 6.1. The sensing pressure roller is installed on the end of the connecting shaft away from the support 6.1, the spring is sleeved on the connecting shaft, and the proximity sensor is installed on the support 6.1, which is used to sense the upper end of the connecting shaft. When the sensing pressure roller contacts with the side edge of the paper roll and there is a certain pressure between them, the sensing sheet (iron sheet) arranged on the connecting shaft blocks the light emitted from the slot-shaped light opening, so that the controller obtains the pressure positioning signal, and the horizontal displacement assembly 6.2 is in the self-holding state, so as to realize the accurate positioning between the swing forming plate 6.4 and the paper roll.

[0022] Preferably, the swing forming plate 6.4 is arranged as a variable-diameter spiral vane structure, and the spiral diameter of the swing forming plate 6.4 close to the head feeding end is greater than the spiral diameter of the swing forming plate 6.4 away from the head feeding end, so that the head can be smoothly fed.

[0023] Preferably, the fixed forming plate 6.5 comprises an integrally formed inclined transition section and a fixed forming section; the inclined transition section is close to the swing forming plate 6.4, so that the head can be well transitioned from the spiral feeding mode to the straight-line pressing mode.

[0024] As a further embodiment of the present application, the automatic packaging and forming device for horse-tooth-shaped paper roll further comprises a controller, and the controller is signal-connected with the motor, the encoder, the detection sensor, the proximity sensor, and the horizontal displacement assembly 6.2.

[0025] Embodiment 2: As a further embodiment of the present application, the specific process of folding and forming the paper roll by using the above-mentioned automatic packaging and forming device for horse-tooth-shaped paper roll is as follows: (I) Preparation work; The external paper roll conveying structure conveys the paper roll to the designated position; The external head conveying structure conveys the head to the designated position; (II) Automatic forming; According to the diameter of the paper roll, the vertical displacement assembly is driven to displace the forming assembly to the corresponding height position; The horizontal displacement assembly is started to displace the forming assembly to the paper roll; The paper roll is rotated, and the swing forming plate and the fixed forming plate fold and form the head.

[0026] Embodiment 3: The present application provides an automatic packaging and forming control method for horse-tooth-shaped paper roll, comprising the following steps: Step 1, based on the width and diameter of the paper roll, the displacement distance of the vertical displacement assembly is calculated and fed back to the controller; The displacement distance of the vertical displacement assembly is calculated as follows: Displacement distance = initial position height of the forming assembly - (diameter of the paper roll + jacking height); Step 2, the controller drives the vertical displacement assembly to displace to the designated position based on the displacement distance of the vertical displacement assembly; Step 3, the controller judges whether the forming assembly is in place based on the signal fed back by the proximity sensor; when the forming assembly is in place, the folding and forming assembly folds and forms the head, and the automatic packaging and forming of the horse-tooth-shaped paper roll is completed.

[0027] Preferably, the specific process of judging whether the forming assembly is in place based on the signal fed back by the proximity sensor is as follows: When the proximity sensor does not detect the pressure signal generated by the reverse force between the pressure roller and the paper roll, it is determined that the displacement distance of the vertical displacement assembly is less than the actual displacement distance; If the displacement distance of the vertical displacement assembly is less than the actual displacement distance, the displacement distance of the vertical displacement assembly is corrected, and the displacement is performed based on the corrected displacement distance.

[0028] Preferably, the specific process of correcting the displacement distance of the vertical displacement assembly is as follows: The PLC reads the pulse signal of the pulse encoder arranged on the vertical displacement assembly through the high-speed counter module. The fixed pulse count value of the motor in the vertical displacement assembly is one rotation. The actual physical displacement value of the motor rotating one circle is calculated by converting the gear ratio and diameter of the reduction box in the motor, and then the proportional relationship between the pulse value and the moving position value is obtained. The displacement value of the motor can be monitored by monitoring the encoder pulse value read by the PLC, so that the motor can be controlled to stop at a position where the forming mechanism can press different paper roll diameters; For example, if the selected motor generates 1024 pulses of the encoder rotating one circle, the gear ratio of the reduction box and the motor is 8, and the gear diameter is 200 mm, then the motor gear diameter = 200 / 8 = 25, and the displacement value of the motor rotating one circle = πR = 3.1415 25 = 78.5375, then the displacement value corresponding to each pulse is 1024 / 78.5375 = 0.076696777334, and the theoretical displacement value of the vertical displacement assembly can be determined by detecting the pulse value read by the PLC.

[0029] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An automatic packaging and forming device for horse teeth, characterized in that, It includes a base (1) and a vertical displacement component (2) and a forming component (6) disposed on the base (1); The base (1) extends upward in the vertical direction; The vertical displacement component (2) includes a motor sprocket and chain structure, an encoder, and a detection sensor; the fixed end of the motor in the motor sprocket and chain structure is fixedly connected to the base (1), the driving end of the motor is connected to the driving sprocket, the driven sprocket is rotatably connected to the base (1), and the chain is sleeved on the driving sprocket and the driven sprocket, and rotates by the drive of the motor; the encoder is installed on the driving end of the motor and is used to detect the lifting position of the vertical displacement component (2); the detection sensor has two sets of sensors arranged at intervals along the vertical direction of the base (1), and the two sets of detection sensors are used to limit the displacement range of the vertical displacement component (2); The forming component (6) is mounted on the second connecting seat (5) and is used to fold and form the end cap; the forming component (6) includes a support (6.1), a horizontal displacement component (6.2), a mounting frame (6.9), a folding and forming component, and a pressure roller detection component (6.6); the fixed end of the horizontal displacement component (6.2) is connected to the base (1), and the driving end of the horizontal displacement component (6.2) is fixedly connected to the support (6.1) and is used to drive the support (6.1) to move horizontally; one end of the mounting frame (6.9) is hinged to the support (6.1), and the other end of the mounting frame (6.9) is hinged to the support (6.1) through a swing cylinder (6.10); the pressure roller detection component (6.6) includes a connecting shaft, a sensing pressure roller, a spring, and a proximity sensor; the connecting shaft is mounted on the support (6.1) 6.1) on, and the connecting shaft can be along the support ( The vertical displacement of the connecting shaft is 6.1); the connecting shaft moves away from the support ( A sensing pressure roller is installed on one end of 6.1), a spring is sleeved on the connecting shaft, and a proximity sensor is installed on the support ( 6.1) is used to sense the upper end of the connecting shaft.

2. The automatic packaging and forming device for horse teeth according to claim 1, characterized in that, The folding and forming assembly includes a swing cylinder (6.10), a swing forming plate (6.4), and a fixed forming plate (6.5). The swing forming plate (6.4) is fixedly connected to the mounting bracket (6.9) and the end cap is pressed and folded by the swing cylinder (6.10); the fixed forming plate (6.5) is set on the rear side of the swing forming plate (6.4) and is used to fold the pre-folded end cap again.

3. The automatic packaging and forming device for horse teeth according to claim 2, characterized in that, The swing forming plate (6.4) is configured as a variable diameter helical blade structure; The fixed forming plate (6.5) includes an integrally formed inclined transition section and a fixed forming section; the inclined transition section is close to the swing forming plate (6.4).

4. The automatic packaging and forming device for horse teeth according to any one of claims 1-3, characterized in that, It also includes a first connecting seat (4) and a second connecting seat (5); One end of the first connecting seat (4) is fixed to the chain, and the other end of the first connecting seat (4) extends horizontally. The second connector (5) is fixedly installed on the extension end of the first connector (4).

5. The automatic packaging and forming device for horse teeth according to claim 4, characterized in that, It also includes a controller, which is connected to the motor, encoder, detection sensor, proximity sensor and horizontal displacement component (6.2) by signal connection.

6. An automatic packaging and forming method for horse teeth, characterized in that, Includes the following steps: Step 1: Preparation; Assemble the automatic packaging and forming device for horse teeth as described in claim 5; An external paper roll conveying structure transports the paper roll to the designated position; The external head conveying structure transports the head to the designated position; Step 2: Automatic forming; Based on the diameter of the paper roll, the vertical displacement component is driven to move the forming component to the corresponding height position, and the proximity switch is used to verify that it is pressed into place. When the horizontal displacement component is activated, and the sensing pressure roller contacts the side of the paper roll and there is a certain pressure between them, the sensing plate set on the connecting shaft blocks the light emitted by the proximity sensor, so that the controller receives the pressure signal and the horizontal displacement component is in a self-holding state, thereby achieving precise positioning between the swing forming plate and the paper roll. The paper roll rotates, and the swing forming plate and the fixed forming plate fold and shape the end cap.

7. A method for controlling the automatic packaging and forming of horse teeth, applied to the automatic packaging and forming device for horse teeth as described in claim 5, characterized in that, Includes the following steps: Step 1: Based on the width and diameter of the paper roll, calculate the displacement distance of the vertical displacement component and feed it back to the controller; The displacement distance of the vertical displacement component is calculated as follows: Displacement distance = Initial position height of forming component - (paper roll diameter + lifting height); Step 2: The controller drives the vertical displacement component to move to the specified position based on the displacement distance of the vertical displacement component; Step 3: The controller determines whether the forming component has reached the correct position based on the signal fed back by the proximity sensor. When the forming component has reached the correct position, the folding forming component folds the end cap to complete the automatic tooth packaging forming.

8. The automatic packaging and forming control method for horse teeth according to claim 7, characterized in that, The specific process by which the controller determines whether the molding component has reached its position based on the signal fed back by the proximity sensor is as follows: When the proximity sensor does not detect the pressure signal generated by the reverse force between the sensing pressure roller and the paper roll, it is determined that the displacement distance of the vertical displacement component is less than the actual displacement distance. If the displacement distance of the vertical displacement component is less than the actual displacement distance, the displacement distance of the vertical displacement component is corrected, and the displacement is performed based on the corrected displacement distance.

9. The automatic packaging and forming control method for horse teeth according to claim 8, characterized in that, The specific process for correcting the displacement distance of the vertical displacement component is as follows: The PLC reads the pulse signal from the pulse encoder set on the vertical displacement component, calculates the motor gear diameter by converting the motor gear ratio and diameter, and then calculates the actual physical displacement value of the motor rotating one revolution. Finally, it obtains the ratio between the pulse value and the movement position value. The displacement value of the motor can be monitored by monitoring the encoder pulse value read by the PLC. The displacement value of the motor is the theoretical displacement distance of the vertical displacement component.

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