Packaging surface paper automatic positioning and mounting equipment based on servo control

Abstract

The invention relates to the technical field of packaging surface paper processing equipment, and discloses packaging surface paper automatic positioning and mounting equipment based on servo control, which comprises a rack and two rotating shafts, bearings of the two rotating shafts penetrate through the front and rear side walls of the rack, the two rotating shafts are symmetrically arranged up and down, and guide rollers are fixedly mounted on the surfaces of the rotating shafts and used for conveying surface paper guided from the upper and lower sides; two sleeves which sequentially penetrate through the front side wall and the rear side wall of the rack through bearings and are symmetrically arranged up and down are arranged on the right side of the rotating shaft, and drying rollers for drying the surface paper are fixedly mounted on the surfaces of the sleeves. According to the packaging surface paper automatic positioning and mounting equipment based on servo control, the conveying distance of packaging surface paper can be accurately controlled through the servo motor, so that the packaging surface paper can be accurately and automatically positioned and then cut after mounting processing, the packaging surface paper cutting precision is guaranteed, the packaging surface paper cutting quality is improved, and the packaging surface paper mounting efficiency is improved. And meanwhile, the packaging surface paper can be dried, the drying speed of glue between the two pieces of packaging surface paper is increased, and the packaging surface paper processing efficiency can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of packaging facial tissue processing equipment, and specifically relates to an automatic positioning and laminating equipment for packaging facial tissue based on servo control. Background Art

[0002] Packaging facial tissue is a thin paper used for packaging. During the production and processing of packaging facial tissue, a laminating equipment is usually required to bond two thin packaging facial tissues together into one. However, the existing laminating equipment still has certain defects, such as:

[0003] For the "fully automatic laminating device for easy positioning" with the application number CN202223433095.5, during use, it cannot perform automatic positioning for cutting, cannot guarantee the cutting accuracy of the laminated packaging facial tissue, is difficult to ensure the cutting quality of the packaging facial tissue, is not conducive to the later use of the packaging facial tissue, and at the same time cannot dry the laminated packaging facial tissue, making it difficult to shorten the drying time of the glue between the two packaging facial tissues, thus affecting the processing efficiency of packaging facial tissue laminating and having limitations in use;

[0004] In view of this, in-depth research on the above problems has led to the proposal of an automatic positioning and laminating equipment for packaging facial tissue based on servo control. Summary of the Invention

[0005] The purpose of the present invention is to provide an automatic positioning and laminating equipment for packaging facial tissue based on servo control, so as to solve the problems in the above background art that the existing laminating equipment cannot perform automatic positioning for precise cutting and cannot be dried, affecting the processing quality and efficiency of packaging facial tissue.

[0006] To achieve the above purpose, the present invention provides the following technical solution: An automatic positioning and laminating equipment for packaging facial tissue based on servo control, including a frame and two rotating shafts symmetrically arranged up and down with bearings passing through the front and rear side walls thereof, and guide rollers are fixedly installed on the surfaces of the rotating shafts for conveying facial tissue imported from the upper and lower sides.

[0007] On the right side of the rotating shaft, there are two sleeves symmetrically arranged up and down with bearings passing through the front and rear side walls of the frame in sequence. Drying rollers for conveying and drying facial tissue are fixedly installed on the surfaces of the sleeves. On the rear side of the frame, there are two cylinders symmetrically arranged up and down, and an electric heating grid is installed on the inner wall surface thereof. The side walls of the sleeves are evenly provided with first through holes, and the first through holes are communicated with second through holes evenly opened on the surface of the drying rollers. The first through holes and the second through holes are used for the flow of hot air.

[0008] On the right side of the drying roller, there is a tool holder, and a cutting knife is detachably installed at the bottom thereof. A driving mechanism for lifting and moving the tool holder and the cutting knife to cut facial tissue is arranged on the top of the tool holder.

[0009] Adopting the above technical solution facilitates ensuring the positioning and cutting of the packaging facial tissue while drying, improving the processing quality and efficiency of the packaging facial tissue.

[0010] As a preferred technical solution of the present invention, a plurality of spray heads are fixedly arranged through the left side wall of the frame, and the spray heads are located at the intersection and joint of the upper and lower facial tissues. The left end of the spray head is fixedly connected and installed with a feeding pipe, and the feeding pipe is connected to an external feeding mechanism.

[0011] Adopting the above technical solution facilitates spraying glue on the packaging facial tissue to achieve pasting.

[0012] As a preferred technical solution of the present invention, a box body is fixedly installed on the rear side of the frame, and a servo motor is fixedly installed on the rear side of the box body. A transmission shaft is key-connected to the shaft end of the servo motor, and the transmission shaft is arranged through the rear side wall of the box body by means of a bearing.

[0013] Adopting the above technical solution facilitates driving the transmission shaft to rotate through the servo motor.

[0014] As a preferred technical solution of the present invention, a connecting sleeve is coaxially and fixedly installed at the rear end of the lower rotating shaft, and the transmission shaft extends into the connecting sleeve. A first ratchet wheel is coaxially and fixedly installed at the front end of the transmission shaft, and the first ratchet wheel meshes with a first pawl connected to the inner wall surface of the connecting sleeve through a torsion spring.

[0015] Adopting the above technical solution facilitates realizing the one-way rotation of the connecting sleeve driving the rotating shaft through the setting of the first ratchet wheel and the first pawl.

[0016] As a preferred technical solution of the present invention, transmission gears are fixedly installed on the surfaces of the upper and lower rotating shafts, and the two transmission gears mesh with each other, and the transmission gears are located inside the box body.

[0017] Adopting the above technical solution facilitates the setting of the synchronous transmission gears to ensure the simultaneous rotation of the upper and lower rotating shafts, ensuring driving the guide roller to rotate to realize the conveying and pasting processing of the packaging facial tissue.

[0018] As a preferred technical solution of the present invention, driving toothed belt wheels are coaxially and fixedly installed at the front ends of the upper and lower rotating shafts, and the driving toothed belt wheels are connected to driven toothed belt wheels through toothed belts in a transmission manner, and the driven toothed belt wheels are coaxially and fixedly installed at the front ends of the sleeves.

[0019] Adopting the above technical solution facilitates driving the sleeve and the drying roller to rotate synchronously through the setting of the driving toothed belt wheel, the toothed belt and the driven toothed belt wheel when the rotating shaft rotates, so as to convey the packaging facial tissue through the drying roller.

[0020] As a preferred technical solution of the present invention, the rear ends of the two sleeves respectively extend into the upper and lower cylinders, and fan blades are fixedly installed on the surfaces of the sleeves. The fan blades are located inside the cylinders, and the cylinders are located on the front side of the electric heating grid.

[0021] Adopting the above technical solution, it is convenient for the sleeves to drive the fan blades to rotate when rotating, thereby accelerating the flow of hot air.

[0022] As a preferred technical solution of the present invention, a material guiding plate is arranged below the cutting knife, and the front and rear side surfaces of the material guiding plate are respectively fixedly connected to the front and rear inner wall surfaces of the frame. A cutting groove matching the cutting knife is formed on the top surface of the material guiding plate.

[0023] Adopting the above technical solution, it is convenient to ensure the stable and effective cutting of the packaging facial tissue through the cooperation of the cutting knife and the cutting groove.

[0024] As a preferred technical solution of the present invention, a hollow tube is installed on the rear inner wall surface of the box body by means of bearings, and a transmission shaft penetrates through the hollow tube. A second ratchet wheel is fixedly installed on the surface of the transmission shaft, and the second ratchet wheel is located inside the hollow tube. The second ratchet wheel meshes with a second pawl connected to the inner wall surface of the hollow tube through a torsion spring. A bevel gear set is fixedly installed on the outer wall surface of the hollow tube, and the bevel gear set is fixedly connected to the left end of the rotating rod. The rotating rod horizontally penetrates through the right side wall of the box body by means of bearings, and a side plate is sleeved on the outer side of the rotating rod. The rotating rod is connected to the side plate by means of bearings, and the side plate is fixedly installed on the rear side surface of the frame.

[0025] Adopting the above technical solution, it is convenient to make the hollow tube rotate unidirectionally through the setting of the second ratchet wheel and the second pawl, and drive the rotating rod to rotate through the bevel gear set.

[0026] As a preferred technical solution of the present invention, the driving mechanism includes a turntable coaxially and fixedly installed at the right end of the rotating rod. A driving pin is fixedly installed at an eccentric position on the right side surface of the turntable, and a connecting plate is arranged on the right side of the turntable. A strip-shaped driving groove is horizontally and penetratingly formed on the connecting plate, and the driving pin penetrates through the strip-shaped driving groove. The diameter of the driving pin is matched with the height of the strip-shaped driving groove. A straight plate is fixedly installed on the top surface of the connecting plate, and a mounting plate is fixedly installed on the top surface of the straight plate. The bottom surface of the mounting plate is fixedly connected to the top surface of the knife holder. Fixing plates are arranged on both the front and rear sides of the knife holder, and the fixing plates are fixedly installed on the top surface of the frame and penetrate through the mounting plate slidably.

[0027] Adopting the above technical solution, it is convenient for the rotating rod to drive the driving pin to perform circular rotation through the turntable. The cooperation between the driving pin and the strip-shaped driving groove enables the connecting plate to drive the mounting plate to move up and down through the straight rod, so that the knife holder and the cutting knife move up and down synchronously, and further complete the cutting of the packaging facial tissue.

[0028] Compared with the prior art, the beneficial effects of the present invention are as follows: The automatic positioning and laminating equipment for packaging tissue paper based on servo control can accurately control the conveying distance of the packaging tissue paper through a servo motor, so as to ensure accurate automatic positioning and cutting of the packaging tissue paper after laminating processing, ensure the cutting accuracy of the packaging tissue paper, improve the cutting quality of the packaging tissue paper, and at the same time can dry the packaging tissue paper, accelerate the drying speed of the glue between two pieces of packaging tissue paper, which is beneficial to improving the processing efficiency of the packaging tissue paper;

[0029] 1. The start of the servo motor can drive the driving pin to rotate. Through the setting of the first ratchet wheel and the first pawl, the rotating shaft can be driven to rotate. Under the action of the transmission gear, it is ensured that the upper and lower rotating shafts drive the guide rollers to rotate synchronously to convey the packaging tissue paper. At the same time, the nozzle sprays glue onto the packaging tissue paper, and the laminating processing is realized by rolling and pressing the packaging tissue paper through the guide rollers;

[0030] 2. When the rotating shaft rotates, through the setting of the driving toothed belt pulley and the toothed belt, the driven toothed belt pulley drives the sleeve and the drying roller to rotate synchronously, so that the drying roller conveys the packaging tissue paper. At the same time, the rotation of the sleeve drives the fan blade to rotate, so that the external gas is inhaled into the cylinder body, and after being heated by the electric heating net, the hot air enters the sleeve and is discharged through the first through hole and the second through hole. The hot air not only heats the drying roller, but also blows out the hot air, ensuring that the packaging tissue paper is affected by the drying roller and the hot air to accelerate the drying of the glue;

[0031] 3. The servo motor can ensure the accurate conveyance of the packaging tissue paper. After the packaging tissue paper is accurately conveyed, the servo motor makes the transmission shaft rotate in the reverse direction. At this time, through the action of the second ratchet wheel and the second pawl, the hollow tube rotates, and the rotating rod is driven to rotate through the bevel gear set, so that the turntable drives the driving pin to rotate. Under the cooperation of the driving pin and the strip-shaped driving groove, the connecting plate drives the mounting plate to move up and down through the straight plate, so that the knife seat and the cutter move up and down synchronously, realizing the accurate cutting of the packaging tissue paper and improving the cutting quality of the packaging tissue paper. Description of the Drawings

[0032] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0033] Figure 2 is a schematic diagram of the sectional structure of the box body of the present invention;

[0034] Figure 3 is a schematic diagram of the connection structure of the transmission shaft, the first ratchet wheel and the second ratchet wheel of the present invention;

[0035] Figure 4 is a schematic diagram of the connection structure of the toothed belt, the driving toothed belt pulley and the driven toothed belt pulley of the present invention;

[0036] Figure 5Schematic diagram of the connection structure of the casing, drying roller and fan blade of the present invention;

[0037] Figure 6 Schematic diagram of the cross-sectional connection structure of the casing and drying roller of the present invention;

[0038] Figure 7 Schematic diagram of the cross-sectional structure of the cylinder body of the present invention;

[0039] Figure 8 Schematic diagram of the connection structure of the facial tissue, drying roller and guide plate of the present invention;

[0040] Figure 9 Schematic diagram of the connection structure of the driving pin and the strip-shaped driving groove of the present invention;

[0041] Figure 10 Schematic diagram of the cross-sectional connection structure of the frame and the guide plate of the present invention.

[0042] In the figure: 1. Frame; 2. Rotating shaft; 3. Guide roller; 4. Facial tissue; 5. Casing; 6. Drying roller; 7. Cylinder body; 8. Electric heating net; 9. Fixed plate; 10. Mounting plate; 11. Knife holder; 12. Cutting knife; 13. Nozzle; 14. Feed pipe; 15. Box body; 16. Servo motor; 17. Transmission shaft; 18. First ratchet wheel; 19. Connecting sleeve; 20. First ratchet pawl; 21. Driving toothed belt pulley; 22. Toothed belt; 23. Driven toothed belt pulley; 24. Fan blade; 25. First through hole; 26. Second through hole; 27. Guide plate; 28. Cutting groove; 29. Hollow pipe; 30. Second ratchet wheel; 31. Second ratchet pawl; 32. Bevel gear set; 33. Rotating rod; 34. Side plate; 35. Turntable; 36. Driving pin; 37. Connecting plate; 38. Strip-shaped driving groove; 39. Straight plate; 40. Transmission gear. Detailed implementation manners

[0043] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0044] Please refer to Figure 1 - Figure 10, the technical solution of the present invention: a packaging paper automatic positioning and mounting device based on servo control, comprising a frame 1 and two rotating shafts 2 with bearings penetrating the front and rear side walls thereof and symmetrically arranged in the upper and lower directions, and a guide roller 3 is fixedly installed on the surface of the rotating shaft 2, which is used to convey the paper 4 introduced from the upper and lower sides, and two sleeves 5 with bearings penetrating the front and rear side walls of the frame 1 in sequence and symmetrically arranged in the upper and lower directions are arranged on the right side of the rotating shaft 2, and a drying roller 6 for conveying and drying the paper 4 is fixedly installed on the surface of the sleeve 5, and a cylinder 7 symmetrically arranged in the upper and lower directions is fixedly installed on the rear side surface of the frame 1, and an electric heating net 8 is installed on the inner wall surface of the cylinder, and the side wall of the sleeve 5 is uniformly provided with first through holes 25, and the first through holes 25 are connected with second through holes 26 uniformly provided on the surface of the drying roller 6, and the first through holes 25 and the second through holes 26 are used for hot air flow;

[0045] A knife seat 11 is arranged on the right side of the drying roller 6 , and a cutter 12 is detachably mounted on the bottom of the knife seat 11 . A driving mechanism for lifting and moving the knife seat 11 and the cutter 12 to cut the tissue paper 4 is arranged on the top of the knife seat 11 .

[0046] A plurality of nozzles 13 are fixedly installed through the left side wall of the frame 1, and the nozzles 13 are located at the intersection of the upper and lower side papers 4. A feed pipe 14 is fixedly installed at the left end of the nozzle 13, and the feed pipe 14 is connected to an external feed mechanism.

[0047] A box body 15 is fixedly mounted on the rear side of the frame 1 , and a servo motor 16 is fixedly mounted on the rear side of the box body 15 . A transmission shaft 17 is keyed to the shaft end of the servo motor 16 , and a bearing of the transmission shaft 17 passes through the rear side wall of the box body 15 .

[0048] A connecting sleeve 19 is coaxially fixedly installed at the rear end of the lower rotating shaft 2, and the transmission shaft 17 extends into the interior of the connecting sleeve 19. A first ratchet 18 is coaxially fixedly installed at the front end of the transmission shaft 17, and the first ratchet 18 is meshed with a first pawl 20 connected to the inner wall of the connecting sleeve 19 through a torsion spring.

[0049] Transmission gears 40 are fixedly mounted on the surfaces of the upper and lower rotating shafts 2 , and the two transmission gears 40 are meshed with each other, and the transmission gears 40 are located inside the box body 15 .

[0050] A driving toothed belt wheel 21 is coaxially fixedly installed at the front ends of the upper and lower rotating shafts 2, and the driving toothed belt wheel 21 is connected to a driven toothed belt wheel 23 through a toothed belt 22, and the driven toothed belt wheel 23 is coaxially fixedly installed at the front end of the sleeve 5.

[0051] The rear ends of the two sleeves 5 extend into the upper and lower cylinders 7 respectively, and the surfaces of the sleeves 5 are fixedly mounted with fan blades 24 , which are located inside the cylinder 7 , and the cylinder 7 is located at the front side of the electric heating network 8 .

[0052] A material guiding plate 27 is arranged below the cutting knife 12, and the front and rear side surfaces of the material guiding plate 27 are respectively fixedly connected with the front and rear inner wall surfaces of the machine frame 1. A cutting groove 28 matching the cutting knife 12 is formed in the top surface of the material guiding plate 27.

[0053] A hollow tube 29 is installed on the rear inner wall surface of the box body 15 by bearings, and the transmission shaft 17 penetrates through the hollow tube 29. A second ratchet wheel 30 is fixedly installed on the surface of the transmission shaft 17, and the second ratchet wheel 30 is located inside the hollow tube 29. The second ratchet wheel 30 meshes with a second ratchet pawl 31 connected to the inner wall surface of the hollow tube 29 through a torsion spring. A bevel gear set 32 is fixedly installed on the outer wall surface of the hollow tube 29, and the bevel gear set 32 is fixedly connected to the left end of the rotating rod 33. The rotating rod 33 horizontally penetrates through the right side wall of the box body 15 by bearings, and a side plate 34 is sleeved outside the rotating rod 33. The rotating rod 33 is connected to the side plate 34 by bearings, and the side plate 34 is fixedly installed on the rear side surface of the machine frame 1.

[0054] The driving mechanism includes a turntable 35 fixedly installed coaxially at the right end of the rotating rod 33. A driving pin 36 is fixedly installed at an eccentric position on the right side surface of the turntable 35. A connecting plate 37 is arranged on the right side of the turntable 35. A strip-shaped driving groove 38 is horizontally formed through the connecting plate 37, and the driving pin 36 penetrates through the strip-shaped driving groove 38. The diameter of the driving pin 36 is matched with the height of the strip-shaped driving groove 38. A straight plate 39 is fixedly installed on the top surface of the connecting plate 37, and a mounting plate 10 is fixedly installed on the top surface of the straight plate 39. The bottom surface of the mounting plate 10 is fixedly connected to the top surface of the tool holder 11. Fixing plates 9 are arranged on both the front and rear sides of the tool holder 11, and the fixing plates 9 are fixedly installed on the top surface of the machine frame 1 and slidably penetrate through the mounting plate 10.

[0055] Working principle: Start the servo motor 16 to drive the transmission shaft 17 to rotate forward. The first ratchet wheel 18 at the front end of the transmission shaft 17 rotates accordingly. Under the cooperation of the first ratchet wheel 18 and the first ratchet pawl 20 connected to the inner wall surface of the connecting sleeve 19 through a torsion spring, the connecting sleeve 19 drives the lower rotating shaft 2 to rotate unidirectionally. Since the transmission gears 40 on the surfaces of the upper and lower rotating shafts 2 mesh with each other, the two rotating shafts 2 rotate synchronously, thereby driving the guide rollers 3 to rotate, and smoothly conveying the face paper 4 introduced from the upper and lower sides. At the same time, the spray head 13 on the left side wall of the machine frame 1 is connected to an external feeding mechanism through a feeding pipe 14, and sprays glue at the intersection and bonding position of the upper and lower face papers 4. The guide rollers 3 press the face paper 4 during the process of conveying the face paper 4, and the laminating of the face paper 4 is completed.

[0056] When the rotating shaft 2 rotates, it drives the driving toothed belt pulley 21 to rotate synchronously. Through the toothed belt 22, it drives the driven toothed belt pulley 23 to rotate, and further makes the sleeve 5 and the drying roller 6 fixed on its surface rotate synchronously. The rear end of the sleeve 5 extends into the cylinder body 7, and the fan blades 24 on its surface rotate inside the cylinder body 7. The electric heating grid 8 on the inner wall surface of the cylinder body 7 is electrified to generate heat. The fan blades 24 rotate to suck the external gas into the cylinder body 7. After the gas is heated by the electric heating grid 8, it becomes hot air and enters the sleeve 5. The hot air is discharged through the first through holes 25 on the side wall of the sleeve 5 and the second through holes 26 on the surface of the drying roller 6, which not only heats the drying roller 6, but also directly acts on the facial tissue 4, accelerating the drying speed of the glue between the two facial tissues 4.

[0057] When the facial tissue 4 is accurately conveyed in place, the servo motor 16 drives the transmission shaft 17 to rotate in the reverse direction. At this time, the second ratchet wheel 30 on the surface of the transmission shaft 17 is located inside the hollow tube 29, and the second ratchet wheel 30 cooperates with the second pawl 31 torsionally connected to the inner wall surface of the hollow tube 29, making the hollow tube 29 rotate unidirectionally. The rotation of the hollow tube 29 drives the rotating rod 33 to rotate through the bevel gear set 32. The rotation of the rotating rod 33 drives the turntable 35 to rotate accordingly, so that the turntable 35 drives the driving pin 36 to perform a circular motion. Through the cooperation of the driving pin 36 and the strip-shaped driving groove 38, the connecting plate 37 drives the mounting plate 10 to move up and down through the straight plate 39, and the tool rest 11 and the cutting knife 12 connected to the mounting plate 10 move up and down synchronously. With the cooperation of the cutting groove 28 on the top surface of the guide plate 27, the accurate cutting of the facial tissue 4 is realized. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0058] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic positioning and laminating device for packaging facial tissue based on servo control, comprising a frame (1) and two rotating shafts (2) with bearings passing through the front and rear side walls thereof and arranged symmetrically up and down. A guide roller (3) is fixedly installed on the surface of the rotating shaft (2) for conveying the facial tissue (4) introduced from the upper and lower sides. It is characterized in that: On the right side of the rotating shaft (2), there are two sleeves (5) with bearings passing through the front and rear side walls of the frame (1) in sequence and arranged symmetrically up and down. A drying roller (6) for conveying and drying the facial tissue (4) is fixedly installed on the surface of the sleeve (5). On the rear side of the frame (1), there are two cylinders (7) fixedly installed symmetrically up and down, and an electric heating grid (8) is installed on the inner wall surface thereof. The side wall of the sleeve (5) is evenly provided with first through holes (25), and the first through holes (25) are communicated with second through holes (26) evenly arranged on the surface of the drying roller (6). The first through holes (25) and the second through holes (26) are used for the flow of hot air; On the right side of the drying roller (6), there is a tool holder (11), and a cutter (12) is detachably installed at the bottom thereof. A driving mechanism for lifting and moving the tool holder (11) and the cutter (12) to cut the facial tissue (4) is arranged at the top of the tool holder (11).

2. The automatic positioning and laminating equipment for packaging tissue paper based on servo control according to claim 1, characterized in that, A plurality of spray heads (13) are fixedly arranged through the left side wall of the frame (1), and the spray heads (13) are located at the intersection and bonding position of the upper and lower facial tissues (4). The left end of the spray head (13) is fixedly connected and installed with a feed pipe (14), and the feed pipe (14) is connected with an external feeding mechanism.

3. The automatic positioning and laminating equipment for packaging tissue paper based on servo control according to claim 1, characterized in that, On the rear side of the frame (1), a box body (15) is fixedly installed, and a servo motor (16) is fixedly installed on the rear side of the box body (15). A transmission shaft (17) is key-connected to the shaft end of the servo motor (16), and the transmission shaft (17) is arranged with a bearing passing through the rear side wall of the box body (15).

4. The automatic positioning and laminating device for packaging tissue paper based on servo control according to claim 3, characterized in that At the rear end of the lower rotating shaft (2), a connecting sleeve (19) is coaxially and fixedly installed, and the transmission shaft (17) extends into the interior of the connecting sleeve (19). At the front end of the transmission shaft (17), a first ratchet wheel (18) is coaxially and fixedly installed, and the first ratchet wheel (18) meshes with a first ratchet pawl (20) connected to the inner wall surface of the connecting sleeve (19) through a torsion spring.

5. The automatic positioning and laminating equipment for packaging facial tissue based on servo control according to claim 3, wherein Drive gears (40) are fixedly installed on the surfaces of the upper and lower rotating shafts (2), and the two drive gears (40) mesh with each other, and the drive gears (40) are located inside the box body (15).

6. The automatic positioning and laminating equipment for packaging facial tissue based on servo control according to claim 1, characterized in that, At the front ends of the upper and lower rotating shafts (2), driving toothed belt pulleys (21) are coaxially and fixedly installed, and the driving toothed belt pulleys (21) are connected to driven toothed belt pulleys (23) through toothed belts (22), and the driven toothed belt pulleys (23) are coaxially and fixedly installed at the front ends of the sleeves (5).

7. The automatic positioning and laminating equipment for packaging facial tissue based on servo control according to claim 1, wherein The rear ends of the two sleeves (5) respectively extend into the upper and lower cylinders (7), and fan blades (24) are fixedly installed on the surface of the sleeves (5). The fan blades (24) are located inside the cylinders (7), and the cylinders (7) are located in front of the electric heating grid (8).

8. A servo-control-based automatic positioning and laminating device for packaging tissue paper according to claim 1, wherein, A material guiding plate (27) is arranged below the cutting knife (12), and the front and rear side surfaces of the material guiding plate (27) are respectively fixedly connected with the front and rear inner wall surfaces of the machine frame (1). A cutting groove (28) matching the cutting knife (12) is formed in the top surface of the material guiding plate (27).

9. The automatic positioning and laminating equipment for packaging tissue paper based on servo control according to claim 3, characterized in that, A hollow tube (29) is installed on the rear inner wall surface of the box body (15) by means of bearings, and the transmission shaft (17) penetrates through the hollow tube (29). A second ratchet wheel (30) is fixedly installed on the surface of the transmission shaft (17), and the second ratchet wheel (30) is located inside the hollow tube (29). The second ratchet wheel (30) meshes with a second ratchet pawl (31) connected to the inner wall surface of the hollow tube (29) through a torsion spring. A bevel gear set (32) is fixedly installed on the outer wall surface of the hollow tube (29), and the bevel gear set (32) is fixedly connected to the left end of a rotating rod (33). The rotating rod (33) horizontally penetrates through the right side wall of the box body (15) by means of bearings, and a side plate (34) is sleeved outside the rotating rod (33). The rotating rod (33) is connected to the side plate (34) by means of bearings, and the side plate (34) is fixedly installed on the rear side surface of the machine frame (1).

10. A kind of automatic positioning and laminating equipment for packaging facial tissue based on servo control according to claim 9, characterized in that, The driving mechanism includes a turntable (35) fixedly installed coaxially at the right end of the rotating rod (33). A driving pin (36) is fixedly installed at an eccentric position on the right side surface of the turntable (35). A connecting plate (37) is arranged on the right side of the turntable (35). A strip-shaped driving groove (38) is horizontally formed through the connecting plate (37), and the driving pin (36) penetrates through the strip-shaped driving groove (38). The diameter of the driving pin (36) is consistent with the height of the strip-shaped driving groove (38). A straight plate (39) is fixedly installed on the top surface of the connecting plate (37), and a mounting plate (10) is fixedly installed on the top surface of the straight plate (39). The bottom surface of the mounting plate (10) is fixedly connected to the top surface of the tool holder (11). Fixed plates (9) are arranged on both the front and rear sides of the tool holder (11), and the fixed plates (9) are fixedly installed on the top surface of the machine frame (1). The fixed plates (9) slidably penetrate through the mounting plate (10).

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