Paper tube processing paper winding forming equipment and method

Abstract

The invention discloses paper winding forming equipment and method for paper tube processing, and relates to the technical field of paper tube production. A main frame and an auxiliary frame are installed on two linear servo motors respectively, a main cylinder is connected with a rolling servo motor, an auxiliary cylinder is clamped and matched with the main cylinder, a servo lock shaft mechanism is connected with a rotating shaft of the auxiliary cylinder, a discharging frame is located under a combined structure of the main cylinder and the auxiliary cylinder, and an expansion piece is connected with a material blocking rod. The magnetic attraction matching assembly is arranged between the linear servo motor and the electric lock sliding block, the balance weight module is used for balancing the weight of the auxiliary frame, the guide assembly improves the moving stability, and the annular disc is provided with an annular notch groove matched with the material blocking rod. Through cooperative action of the linear servo motor, the rolling servo motor, the servo lock shaft mechanism and other components, full-process automation of initial preparation, raw material attachment, rolling forming, demolding discharging and equipment resetting is achieved, main and auxiliary barrels are accurately clamped and matched with counterweight balance, and the paper tube forming quality is guaranteed.

Description

Technical Field

[0001] This invention relates to the field of paper tube production technology, and in particular to a paper tube processing and paper winding forming equipment and method. Background Technology

[0002] In the paper tube manufacturing industry, paper winding is a core process. Due to its advantages such as lightweight, environmental friendliness, and recyclability, paper tubes are widely used in textiles, packaging, printing, and other fields. The market demands increasingly higher production efficiency, forming precision, and batch adaptability for paper tubes. However, existing paper tube winding equipment and processes still have many technical challenges that urgently need to be addressed: Firstly, existing equipment requires manual assistance in many steps, such as fixing the raw material at the starting end, demolding and unloading the paper tube, and resetting the equipment. This not only involves high labor intensity but also easily leads to problems such as loose material bonding and deviation in the axial length of the paper tube due to human error, resulting in poor production consistency and difficulty in meeting the needs of large-scale mass production.

[0003] Secondly, traditional rolling cylinders generally adopt a single-sided open structure design to facilitate the unloading of formed paper tubes. However, this structure has inherent mechanical defects. After long-term operation, the equipment wears out and becomes old, resulting in insufficient stability during equipment operation and paper tube forming, which directly affects product quality and production efficiency.

[0004] These problems have constrained the large-scale and high-precision development of paper tube production. Therefore, how to achieve a high degree of automation, high forming accuracy and stable operation in paper tube winding has become a technical problem that needs to be solved in paper tube winding and processing. Summary of the Invention

[0005] To solve the above-mentioned technical problems, the present invention is achieved through the following technical solution: This invention provides a paper tube processing and paper winding forming device, including a guide rail and a set of linear servo motors mounted on the guide rail. A main frame is fixedly mounted on the upper side of one linear servo motor, and a sub-frame is fixedly mounted on the upper side of another linear servo motor. A winding servo motor is configured on one side of the main frame, and a main tube connected to the output shaft of the winding servo motor is configured on the other side. A sub-tube that engages with the main tube is configured on one side of the sub-frame. The sub-frame is also configured with a servo locking shaft mechanism connected to the rotating shaft of the sub-tube.

[0006] The main cylinder and auxiliary cylinder combination structure is equipped with a feeding rack directly below it. The feeding rack is equipped with a set of telescopic devices. The output end of the telescopic devices faces upward and is connected to the material stop bar. An electric lock slider is installed on the bottom side of the feeding rack and mounted on the guide rail. A magnetic attraction engagement component is configured between the linear servo motor and its adjacent electric lock slider.

[0007] As a preferred technical solution of the device of the present invention: the total weight of the winding servo motor and its accessories is matched with the weight of the main cylinder, and a counterweight module matched with the weight of the secondary cylinder is configured on the other side of the secondary frame. A guide component is connected to the lower side of the winding servo motor and the counterweight module, and the guide component is movably installed on the guide rail.

[0008] As a preferred embodiment of the device of the present invention: the side of the main cylinder facing the auxiliary cylinder is provided with multiple arc-shaped slots, and the side of the auxiliary cylinder facing the main cylinder is provided with an arc-shaped protrusion that mates with the arc-shaped slots of the main cylinder.

[0009] As a preferred embodiment of the device of the present invention: both the main frame and the auxiliary frame are equipped with annular discs, and the annular discs have annular notches that mate with the extension and retraction positions of the baffle rods. The distance between a set of baffle rods is the same as the axial length of the rolled paper tube formed between the main cylinder and the auxiliary cylinder.

[0010] As a preferred technical solution of the device of the present invention: the inner diameter of the annular notch is larger than the inner diameter of the paper tube, and the inner diameter of the annular notch is smaller than the outer diameter of the paper tube.

[0011] As a preferred technical solution of the device of the present invention: the magnetic attraction assembly includes a bottom rod fixedly installed on the bottom side of the linear servo motor, a magnetic block located at the side end of the bottom rod, and a magnetic attraction plate fixedly installed on the bottom side of the electric lock slider, wherein the magnetic block at the side end of the bottom rod is aligned and engaged with the magnetic attraction plate.

[0012] As a preferred technical solution of the device of the present invention: the magnetic attraction plate is made of stainless steel and has a slot structure that matches the size of the magnetic block.

[0013] This invention provides a control method for a paper tube processing and paper winding forming equipment, comprising the following: In the first step, two linear servo motors drive the main frame and the auxiliary frame to the initial position. The main cylinder and the auxiliary cylinder are precisely engaged to form a rolling mandrel. The magnetic attraction component attracts the electric lock slider, and the unloading frame is simultaneously in the initial working position.

[0014] In the second stage, the telescopic device drives the stop bar to remain retracted, the servo locking mechanism is de-energized, and the auxiliary cylinder can rotate freely with the main cylinder.

[0015] Step 3: Fix the pre-treated adhesive tape and the starting end of the multi-strand base paper to the side of the auxiliary drum near the auxiliary frame, ensuring a tight fit with the winding mandrel. Start the winding servo motor to drive the main drum and auxiliary drum to rotate synchronously, and the adhesive tape and base paper begin to wind and form.

[0016] In step four, two linear servo motors move synchronously along the guide rail, driving the main frame, sub-frame, and rolling mandrel to move, while the unloading frame moves synchronously with the electric lock slider.

[0017] In step five, the linear servo motor reaches the preset end point of the stroke, the paper tube reaches the set axial length, the winding servo motor and the linear servo motor stop running synchronously, the servo locking shaft mechanism is energized to lock the secondary cylinder, the electric lock slider is energized to fix the unloading frame, and the telescopic device drives the stop bar to extend and form a ring block.

[0018] In step six, the two linear servo motors move laterally in opposite directions, the main frame and the auxiliary frame separate, the main tube and the auxiliary tube are separated, and the paper tube falls to the unloading rack and slides out of the processing area.

[0019] Step 7: The stop bar retracts and resets, and the linear servo motor on the main frame side drives the main frame back to its initial position.

[0020] In step eight, the electric lock slider is de-energized, the linear servo motor on the auxiliary frame moves laterally toward the main frame, and the material feeder is reset through the magnetic attraction component. The auxiliary frame reaches the initial position, the main and auxiliary cylinders are locked together again, the servo lock shaft mechanism is de-energized, and the equipment is in standby mode for the next round of winding.

[0021] Compared with existing technologies, the beneficial effects of this invention are: The equipment of this invention achieves full automation of the process from initial preparation to raw material attachment, rolling and forming, demolding and unloading, and equipment reset through the coordinated operation of various components. No manual intervention is required in the core processes. The rolling servo motor and the linear servo motor are linked synchronously, and the rolling and axial feed are carried out simultaneously, which greatly shortens the processing cycle and is suitable for mass production needs.

[0022] In this invention, the main tube and the auxiliary tube are precisely engaged by an arc-shaped groove and an arc-shaped protrusion to form a high degree of concentricity for the rolling mandrel. The weight of the auxiliary frame is balanced by a counterweight module to prevent the mandrel from shifting during the rolling process, thus ensuring the quality of the paper tube rolling. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of the device of the present invention.

[0024] Figure 2 for Figure 1 A magnified structural diagram of part A in the middle.

[0025] Figure 3 This is a schematic diagram of the structure in this invention where a linear servo motor drives the main and auxiliary cylinders to move in a directional manner to complete the paper tube winding.

[0026] Figure 4 This is a schematic diagram of the structure when the paper tube separates from the main tube and the auxiliary tube in this invention.

[0027] Figure 5 for Figure 4 A magnified structural diagram of section B in the middle.

[0028] Figure 6This is a schematic diagram of the structure after the main cylinder and the auxiliary cylinder are reassembled in this invention.

[0029] Wherein: 1-Guide rail; 2-Linear servo motor; 3-Main frame; 4-Sub-frame; 5-Rolling servo motor; 6-Main cylinder; 7-Sub-cylinder; 8-Servo locking shaft mechanism; 9-Counterweight module; 10-Guide assembly; 11-Unloading rack; 12-Extension bar; 13-Blocking rod; 14-Ring disc; 15-Annular notch groove; 16-Bottom rod; 17-Magnetic block; 18-Electric lock slider; 19-Magnetic mating plate; 20-Arc-shaped slot; 21-Arc-shaped convex plate; 22-Rolling paper tube. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of this invention clearer, the invention 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 merely illustrative and not intended to limit the invention.

[0031] Example 1: This invention designs a paper winding and forming device for paper tube processing, with the specific structural configuration as follows: Combination Figure 1 The guide rail 1 is the basic guiding component of the equipment. A set of linear servo motors 2 are mounted on it. The linear servo motors 2 can move precisely along the guide rail 1, providing power and guidance for the core moving parts of the equipment.

[0032] One linear servo motor 2 has a main frame 3 fixedly mounted on its upper side. A winding servo motor 5 is configured on one side of the main frame 3, and a main drum 6 connected to the output shaft of the winding servo motor 5 is configured on the other side. When the winding servo motor 5 is running, it can directly drive the main drum 6 to rotate. Another linear servo motor 2 has a sub-frame 4 fixedly mounted on its upper side. A sub-drum 7 that engages with the main drum 6 is configured on one side of the sub-frame 4. The sub-frame 4 is also configured with a servo locking mechanism 8 connected to the rotating shaft of the sub-drum 7. When the servo locking mechanism 8 is de-energized, the sub-drum 7 can rotate freely with the main drum 6. When energized, it locks the rotating shaft of the sub-drum 7, preventing the sub-drum 7 from rotating freely.

[0033] Combination Figure 1 The total weight of the winding servo motor 5 and its accessories is matched with the weight of the main drum 6 to ensure force balance on one side of the main frame 3. A counterweight module 9, matching the weight of the secondary drum 7, is located on the other side of the secondary frame 4 to balance the weight of the secondary frame 4 and the secondary drum 7, preventing mandrel misalignment during winding. Guide components 10 are connected to the lower sides of both the winding servo motor 5 and the counterweight module 9. The guide components 10 are movably mounted on the guide rail 1, further enhancing the stability of the main frame 3 and the secondary frame 4 during movement.

[0034] Combination Figure 1 , Figure 5The snap-fit ​​structure between the main cylinder 6 and the auxiliary cylinder 7 adopts a precise fit design: the side of the main cylinder 6 facing the auxiliary cylinder 7 has multiple arc-shaped slots 20, and the side of the auxiliary cylinder 7 facing the main cylinder 6 has an arc-shaped protrusion 21 that matches the arc-shaped slots 20 of the main cylinder 6. At the same time, the side of the auxiliary cylinder 7 facing the main cylinder 6 also has multiple arc-shaped slots 20, and the side of the main cylinder 6 facing the auxiliary cylinder 7 has an arc-shaped protrusion 21 that matches the arc-shaped slots 20 of the auxiliary cylinder 7. Through the mutual snap-fit ​​between the arc-shaped slots 20 and the arc-shaped protrusion 21, the main cylinder 6 and the auxiliary cylinder 7 can form a rolled mandrel with high concentricity.

[0035] Combination Figure 1 , Figure 4 A feeding rack 11 is positioned directly below the main tube 6 and auxiliary tube 7 assembly. The feeding rack 11 has a preset tilt angle to facilitate the automatic sliding out of the formed paper tube. The feeding rack 11 is equipped with a set of telescopic devices 12, with the output end of the telescopic devices 12 facing upwards and connected to a baffle rod 13. The telescopic devices 12 can drive the baffle rod 13 to extend and retract. An electric lock slider 18 is installed on the bottom side of the feeding rack 11. The electric lock slider 18 is mounted on the guide rail 1. When the power is off, the electric lock slider 18 can move freely on the guide rail 1. When the power is on, it locks its position and cannot move freely on the guide rail 1.

[0036] Combination Figure 1 , Figure 3 Both the main frame 3 and the auxiliary frame 4 are equipped with annular discs 14, each with an annular notch 15 that mates with the extension and retraction of the baffle rod 13. The inner diameter of the annular notch 15 is larger than the inner diameter of the rolled paper tube 22 but smaller than its outer diameter, ensuring that the baffle rod 13 does not interfere with the rolled paper tube 22 or the mandrel during extension and retraction. The distance between a set of baffle rods 13 is the same as the axial length of the rolled paper tube 22 formed between the main cylinder 6 and the auxiliary cylinder 7, allowing for precise positioning of the formed paper tube.

[0037] Combination Figure 1 , Figure 2 A magnetic attraction assembly is configured between the linear servo motor 2 and its adjacent electric lock slider 18. This assembly includes a base rod 16 fixedly mounted on the bottom side of the linear servo motor 2, a magnetic block 17 located at the side end of the base rod 16, and a magnetic attraction plate 19 fixedly mounted on the bottom side of the electric lock slider 18. The magnetic block 17 at the side end of the base rod 16 is aligned and engaged with the magnetic attraction plate 19. The magnetic attraction plate 19 is made of stainless steel and has a slot structure that matches the size of the magnetic block 17, improving the stability of the magnetic attraction and ensuring that the unloading rack 11 can move horizontally synchronously with the linear servo motor 2.

[0038] Example 2: This invention designs a control method for a paper tube processing and paper winding forming equipment. Through the coordinated action of various components, the automated winding, demolding, and resetting of the paper tube are achieved. The specific steps are as follows: I. Initial Preparation Stage Two linear servo motors 2 drive the main frame 3 and the auxiliary frame 4 to move to the initial position of the stroke. The main cylinder 6 and the auxiliary cylinder 7 are precisely engaged with the arc-shaped convex plate 21 through the arc-shaped slot 20 to form a complete rolled mandrel. At the same time, the linear servo motors 2 attract the electric lock slider 18 through the magnetic attraction assembly (bottom rod 16, magnetic block 17, magnetic attraction plate 19), so that the unloading rack 11 is synchronously in the initial position. The stop rod 13 is kept in the retracted state under the drive of the telescoping device 12 and is located directly below the corresponding annular notch 15.

[0039] The servo locking mechanism 8 remains powered off, allowing the auxiliary cylinder 7 to rotate freely with the main cylinder 6. The counterweight module 9, through the guide assembly 10, cooperates with the guide rail 1 to balance the weight of the auxiliary frame 4 and the auxiliary cylinder 7, ensuring the stability of the equipment operation.

[0040] II. Raw Material Adhesion Stage The pre-treated adhesive tape and the starting end of the multi-strand base paper are fixed to the side of the auxiliary tube 7 near the auxiliary frame 4 to ensure that the raw materials are in close contact with the surface of the winding mandrel without loosening or shifting.

[0041] III. Rolling and Shaping Stage Start the winding servo motor 5, whose output shaft drives the main drum 6 to rotate. Since the main drum 6 and the auxiliary drum 7 are engaged and cooperated, the auxiliary drum 7 rotates synchronously. The adhesive paper and the base paper rotate with the winding mandrel and gradually wind around to form the paper tube prototype.

[0042] Simultaneously with the start of the winding process, two linear servo motors 2 move laterally along the guide rail 1 at a preset speed, driving the main frame 3, the auxiliary frame 4, and the winding mandrel to move as a whole. During this process, the magnetic attraction component continuously attracts the electric lock slider 18, causing the unloading frame 11 to move laterally synchronously with the winding mandrel, ensuring that the stop bar 13 is always directly below the winding area.

[0043] When the linear servo motor 2 moves to the preset end point of the stroke, the paper tube reaches the set axial length, and the winding servo motor 5 stops running synchronously with the linear servo motor 2, and the paper tube is wound into shape.

[0044] IV. Demolding and Material Cutting Stage After the paper tube is formed, the servo locking mechanism 8 is energized to lock the rotating shaft of the secondary cylinder 7, preventing the secondary cylinder 7 from rotating freely. The electric lock slider 18 is energized and locks with the guide rail 1, fixing the lateral position of the unloading rack 11 and ensuring that the unloading rack 11 does not shift during the unloading process.

[0045] The two telescopic devices 12 start synchronously, driving the baffle rod 13 to extend upward to the highest point of its stroke. The top of the baffle rod 13 is located on the outer periphery of the side end of the forming paper tube 22, forming a ring-shaped blocking structure.

[0046] Two linear servo motors 2 move laterally along guide rail 1 in opposite directions, causing the main frame 3 and auxiliary frame 4 to move away from each other, and the main cylinder 6 and auxiliary cylinder 7 to gradually separate. As the mandrel separates, the formed paper tube loses its support and falls onto the unloading rack 11 under gravity. The unloading rack 11 has a preset tilt angle, and the paper tube automatically slides out of the processing area along the tilted surface, completing the unloading. The telescopic device 12 drives the stop rod 13 to retract to its initial position.

[0047] V. Equipment Reset Stage The linear servo motor 2 below the main frame 3 drives the main frame 3 to continue moving laterally, returning to the initial position of the stroke, waiting to cooperate with the auxiliary cylinder 7 again.

[0048] The electric lock slider 18 is de-energized, releasing its lock to the guide rail 1. The linear servo motor 2 below the subframe 4 moves laterally in the opposite direction. During the movement, the linear servo motor 2 attracts the magnetic mating plate 19 through the magnetic block 17, pushing the unloading rack 11 to move synchronously in the opposite direction until the unloading rack 11 returns to its initial position.

[0049] When the sub-frame 4 moves to the initial position of the stroke, the main cylinder 6 and the sub-cylinder 7 are precisely engaged again through the arc-shaped groove 20 and the arc-shaped protrusion 21, restoring the complete rolled mandrel.

[0050] When the servo locking mechanism 8 is de-energized, it releases the lock on the auxiliary drum 7, allowing the auxiliary drum 7 to rotate freely again with the main drum 6. The equipment returns to standby mode, awaiting the next winding cycle.

[0051] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A paper tube processing and paper winding forming device, comprising a guide rail (1) and a set of linear servo motors (2) guided and mounted on the guide rail (1), characterized in that: One of the linear servo motors (2) has a main frame (3) fixedly mounted on its upper side, and another linear servo motor (2) has a sub-frame (4) fixedly mounted on its upper side. The main frame (3) has a winding servo motor (5) on one side and a main cylinder (6) connected to the output shaft of the winding servo motor (5) on the other side. The sub-frame (4) has a sub-cylinder (7) that engages with the main cylinder (6) on one side. The sub-frame (4) also has a servo locking mechanism (8) connected to the rotating shaft of the sub-cylinder (7). The main cylinder (6) and the auxiliary cylinder (7) are combined and the material feeder (11) is arranged directly below the structure. The material feeder (11) is equipped with a set of telescopic devices (12). The output end of the telescopic device (12) faces upward and is connected to the baffle rod (13). The bottom side of the material feeder (11) is equipped with an electric lock slider (18) mounted on the guide rail (1). A magnetic attraction assembly is provided between the linear servo motor (2) and its adjacent electric lock slider (18).

2. The paper tube processing and paper winding forming equipment according to claim 1, characterized in that: The total weight of the winding servo motor (5) and its accessories is matched with the weight of the main cylinder (6). On the other side of the sub-frame (4), there is a counterweight module (9) that matches the weight of the sub-cylinder (7). The winding servo motor (5) and the counterweight module (9) are connected to a guide assembly (10) on the lower side. The guide assembly (10) is movably mounted on the guide rail (1).

3. The paper tube processing and paper winding forming equipment according to claim 1, characterized in that: The main cylinder (6) has multiple arc-shaped slots (20) on the side facing the auxiliary cylinder (7), and the auxiliary cylinder (7) has an arc-shaped protrusion (21) that cooperates with the arc-shaped slots (20) of the main cylinder (6) on the side facing the main cylinder (6). The auxiliary cylinder (7) has multiple arc-shaped slots (20) on the side facing the main cylinder (6), and the main cylinder (6) has an arc-shaped protrusion (21) that cooperates with the arc-shaped slots (20) of the auxiliary cylinder (7) on the side facing the auxiliary cylinder (7).

4. The paper tube processing and paper winding forming equipment according to claim 1, characterized in that: Both the main frame (3) and the sub-frame (4) are provided with ring discs (14), and the ring discs (14) are provided with annular notches (15) that match the extension and retraction positions of the baffle rod (13). The distance between a set of baffles (13) is the same as the axial length of the rolled paper tube (22) formed between the main tube (6) and the auxiliary tube (7).

5. The paper tube processing and paper winding forming equipment according to claim 4, characterized in that: The inner diameter of the annular notch (15) is larger than the inner diameter of the paper tube (22), and the inner diameter of the annular notch (15) is smaller than the outer diameter of the paper tube (22).

6. The paper tube processing and paper winding forming equipment according to claim 1, characterized in that: The magnetic attraction assembly includes a base rod (16) fixedly installed on the bottom side of the linear servo motor (2), a magnetic block (17) located at the side end of the base rod (16), and a magnetic attraction plate (19) fixedly installed on the bottom side of the electric lock slider (18). The magnetic block (17) at the side end of the base rod (16) is aligned and engaged with the magnetic attraction plate (19).

7. The paper tube processing and paper winding forming equipment according to claim 6, characterized in that: The magnetic attraction plate (19) is made of stainless steel and has a slot structure that matches the size of the magnetic block (17).

8. A control method for a paper tube processing and paper winding forming equipment, characterized in that, A paper tube processing and paper winding forming apparatus according to any one of claims 1 to 7, comprising the following: In the first step, two linear servo motors (2) drive the main frame (3) and the auxiliary frame (4) to the initial position. The main cylinder (6) and the auxiliary cylinder (7) are precisely engaged to form a rolling mandrel. The magnetic attraction component attracts the electric lock slider (18), and the unloading rack (11) is simultaneously in the initial position. In the second stage, the telescopic device (12) drives the stop bar (13) to remain retracted, the servo locking mechanism (8) is de-energized, and the auxiliary cylinder (7) can rotate freely with the main cylinder (6); Step 3: Fix the pre-treated adhesive paper and the starting end of the multi-strand base paper to the side of the auxiliary tube (7) near the auxiliary frame (4) to ensure close contact with the winding mandrel. Start the winding servo motor (5) to drive the main tube (6) and auxiliary tube (7) to rotate synchronously, and the adhesive paper and base paper begin to wind and form. In step four, the two linear servo motors (2) move synchronously along the guide rail (1), driving the main frame (3), the auxiliary frame (4) and the rolling mandrel to move, and the unloading frame (11) moves synchronously with the electric lock slider (18); In step five, the linear servo motor (2) reaches the preset end point of the stroke, the paper tube reaches the set axial length, the winding servo motor (5) and the linear servo motor (2) stop running synchronously, the servo locking shaft mechanism (8) is energized to lock the auxiliary cylinder (7), the electric lock slider (18) is energized to fix the unloading rack (11), and the telescopic device (12) drives the baffle rod (13) to extend and form a ring block. In step six, the two linear servo motors (2) move laterally in opposite directions, the main frame (3) and the auxiliary frame (4) separate, the main tube (6) and the auxiliary tube (7) are separated, and the paper tube falls to the unloading rack (11) and slides out of the processing area; In step seven, the stop bar (13) retracts and resets, and the linear servo motor (2) on the side of the main frame (3) drives the main frame (3) back to the initial position; In step eight, the electric lock slider (18) is de-energized, the linear servo motor (2) on the side of the sub-frame (4) moves laterally toward the main frame (3), and pushes the unloading rack (11) to reset through the magnetic attraction assembly. The sub-frame (4) reaches the initial position, the main cylinder (6) and the sub-cylinder (7) are locked together again, the servo lock shaft mechanism (8) is de-energized, and the equipment is on standby for the next round of winding.

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