Bandage gluing machine

Abstract

This application relates to the field of adhesive coating machines, and more particularly to a bandage adhesive coating machine, which includes a machine body. A feeding roller, an adhesive coating assembly, and a take-up roller are sequentially arranged on the machine body. The machine body also includes a stretching assembly for stretching the bandage. The stretching assembly includes a first fixed stretching roller and a first slide rail. The first slide rail is located below the first fixed stretching roller and fixed to the machine body. The track of the first slide rail is arranged perpendicular to the axis of the first fixed stretching roller. A sliding plate is slidably connected to the first slide rail. A first sliding stretching roller and a middle sliding stretching roller are rotatably connected to the sliding plate. Both the first sliding stretching roller and the middle sliding stretching roller are parallel to the axis of the first fixed stretching roller. This application has the effect of improving the penetration of adhesive applied to the bandage.

Description

Technical Field

[0001] This application relates to the field of adhesive applicators, and more particularly to a bandage adhesive applicator. Background Technology

[0002] Bandages are common medical supplies used to immobilize and protect injured areas, and also to wrap vital body parts during exercise for protection. Bandages come in various types and materials, each with different functions. During manufacturing, adhesive is applied to one side of the bandage to ensure it adheres firmly during use.

[0003] However, existing adhesive application techniques simply involve applying the adhesive directly to the bandage. Since bandages have a certain thickness and density, the adhesive cannot penetrate the bandage effectively, resulting in insufficient adhesion of the bandage. Summary of the Invention

[0004] To improve the penetration of adhesive on bandages, this application provides a bandage adhesive applicator.

[0005] The bandage adhesive applicator provided in this application adopts the following technical solution:

[0006] A bandage adhesive applicator includes a machine body, on which a feeding roller, an adhesive applicator assembly, and a take-up roller are sequentially arranged. The machine body also includes a stretching assembly for stretching the bandage. The stretching assembly includes a first fixed stretching roller and a first slide rail. The first slide rail is located below the first fixed stretching roller and fixed to the machine body. The track of the first slide rail is arranged perpendicular to the axis of the first fixed stretching roller. A sliding plate is slidably connected to the first slide rail. A first sliding stretching roller and a middle sliding stretching roller are rotatably connected to the sliding plate. Both the first sliding stretching roller and the middle sliding stretching roller are axially parallel to the first fixed stretching roller. The machine body also includes a reciprocating drive assembly for driving the sliding plate to reciprocate.

[0007] By adopting the above technical solution, when the bandage passes over the first fixed stretching roller, the middle sliding stretching roller, and the first sliding stretching roller, the first fixed stretching roller is located above the middle sliding stretching roller and the first sliding stretching roller, so that the bandage is always at the same height when passing over the first fixed stretching roller. When passing over the middle sliding stretching roller and the first sliding stretching roller, the middle sliding stretching roller and the first sliding stretching roller are driven by the first slide rail to reciprocate perpendicular to the axis of the first fixed stretching roller, so that the bandage can be stretched and then retracted. When the bandage is stretched, the bandage becomes thinner and produces ripples, so the adhesive applied to the bandage can penetrate into the bandage more easily, and the thickness of the adhesive on the bandage can be better controlled, thereby improving the adhesion performance of the bandage.

[0008] Optionally, the stretching assembly further includes a second fixed stretching roller and a second slide rail. The second fixed stretching roller is axially parallel to the first fixed stretching roller. The second slide rail is located below the second fixed stretching roller and fixed to the machine body. The second slide rail is parallel to the first slide rail. The two ends of the sliding plate are slidably connected to the first slide rail and the second slide rail, respectively. A second sliding stretching roller is also rotatably connected to one end of the sliding plate near the second slide rail. The middle sliding stretching roller is located between the first sliding stretching roller and the second sliding stretching roller.

[0009] By adopting the above technical solution, by setting up a second fixed stretching roller and a second sliding stretching roller, the path of the bandage being stretched is extended, thereby further improving the penetration of the adhesive on the bandage and the bonding performance of the bandage. It also allows the part of the bandage that is not fully stretched during the bandage retraction process to be stretched again on the extended path, so that the adhesive can better penetrate the bandage.

[0010] Optionally, the reciprocating drive assembly includes a first drive sprocket and a second drive sprocket. Both the first drive sprocket and the second drive sprocket are rotatably connected to the machine body and are driven to rotate by the machine body's electricity. A drive chain is meshed on the first drive sprocket and the second drive sprocket. One end of the drive chain is fixedly connected to the sliding plate, and a threaded rod is fixedly connected to the end of the drive chain away from the sliding plate. A plurality of threaded plates are threadedly connected to the threaded rod.

[0011] By adopting the above technical solution, when the first and second drive sprockets rotate, they can drive the drive chain to move. One end of the drive chain is fixed to the sliding plate, thereby driving the sliding plate to rise and fall. The threaded rod and threaded plates on the other end of the drive chain allow the first and second drive sprockets to drive the sliding plate to descend by rotating in only one direction. The sliding plate can rise by relying on the threaded rod and threaded plates on the threaded rod, pulling the sliding plate up by gravity, so that the sliding plate can achieve reciprocating motion. When the number of threaded plates on the threaded rod is different, the weight is different. By changing the number of threaded plates, the reciprocating speed can be changed, thereby changing the speed of the bandage stretching, thus changing the stretching force on the bandage. This can better adapt to the different needs of different bandages, improve the adaptability of the equipment, and improve the adhesion of the bandage.

[0012] Optionally, a first positioning roller is provided on the side of the first fixed stretching roller facing the feeding roller, and the side of the first positioning roller facing the first fixed stretching roller and the side of the first sliding stretching roller facing the feeding roller are located on the same plane. A second positioning roller is provided on the side of the second fixed stretching roller facing the take-up roller, and the side of the second positioning roller facing the first fixed stretching roller and the side of the second sliding stretching roller facing the take-up roller are located on the same plane.

[0013] By adopting the above technical solution and setting the first positioning roller, the bandage can be made to be in a vertical state after passing through the first sliding stretching roller, thereby improving the stretching effect of the bandage when it passes through the first fixed stretching roller. Similarly, setting the second positioning roller improves the stretching effect of the bandage stretched by the second fixed stretching roller and the second sliding stretching roller, thereby making the bandage more uniformly stressed, the adhesive penetrates more evenly and effectively, and improving the adhesive performance of the bandage.

[0014] Optionally, the glue application assembly includes a glue sprayer and a glue application roller. The glue application roller is rotatably connected to the machine body. The glue sprayer's nozzle faces the surface of the glue application roller. A corner correction plate is provided below the glue application roller. The corner correction plate has a bend, and the protruding bend is located on the side of the corner correction plate opposite to the feeding roller.

[0015] By adopting the above technical solution, the glue spraying machine, together with the glue spraying roller, can spray glue onto the bandage on the glue coating roller. The corner correction plate set below the glue spraying roller allows the bandage to be pre-stretched by the corner correction plate before passing between the glue spraying machine and the glue coating roller. After the bandage is stretched, the area of ​​the bandage increases, which can increase the area of ​​the bandage to be sprayed with glue and the amount of glue sprayed. It also makes the glue easier to penetrate into the bandage and improve the adhesion of the bandage.

[0016] Optionally, the corner-aligning plate has two parallel folding plates on the side opposite to the feeding roller. The length direction of the folding plates is perpendicular to the axis of the coating roller. The two folding plates are the same length as the corner-aligning plate and have the same bending position and angle. The corner-aligning plate has several parallel first rectangular through slots. The length direction of the first rectangular through slots is perpendicular to the length direction of the folding plates. Several fixing bolts corresponding to the positions of the first rectangular through slots are threaded through the folding plates. The fixing bolts pass through the first rectangular through slots and are threaded with nuts that abut against the corner-aligning plate.

[0017] By adopting the above technical solution, the two folding plates can keep the bandage in the optimal position for glue spraying before it enters between the glue spraying machine and the glue coating roller, resulting in better glue spraying effect and more uniform glue spraying, thereby improving penetration. The first rectangular through groove is set and fixed with fixing bolts, so that the distance between the two folding plates can be adjusted according to the different widths of the bandage, thereby improving the adaptability of the equipment.

[0018] Optionally, a plurality of grinding rollers are provided on the side of the take-up roller facing the stretching assembly. The plurality of grinding rollers are rotatably connected to the machine body, and the plurality of grinding rollers are axially parallel to each other and are all located at the same height.

[0019] By adopting the above technical solution, the uncoated side of the bandage is sanded before it is rolled up to smooth out the burrs. This reduces the likelihood of decreased adhesion and product quality due to burrs when the adhesive side of the bandage comes into contact with the uncoated side after it is rolled up, thereby improving product quality.

[0020] Optionally, a positioning plate is provided on the side of the take-up roller facing the grinding roller. The positioning plate has two parallel straight plates, the length direction of which is perpendicular to the axial direction of the take-up roller. The positioning plate has several second rectangular through slots, the length direction of which is perpendicular to the length direction of the straight plates. The several second rectangular through slots are parallel to each other and arranged along the length direction of the straight plates. Several locking bolts corresponding to the positions of the second rectangular through slots are passed through the straight plates. The locking bolts pass through the second rectangular through slots and are threaded with nuts that abut against the positioning plate.

[0021] By adopting the above technical solution, a positioning plate is set before the winding roller. The two straight plates on the positioning plate make the bandage winding more neat and improve the overall quality of the product. The locking bolts on the straight plates and the second rectangular through groove on the positioning plate can be used to adjust the distance between the two straight plates, thereby accommodating bandages of different sizes and improving the adaptability of the equipment.

[0022] In summary, this application includes at least one of the following beneficial technical effects:

[0023] 1. By means of a first fixed stretching roller, a second fixed stretching roller, a first sliding stretching roller, a middle sliding stretching roller and a second sliding stretching roller, and in conjunction with the sliding plates on the first and second slide rails, the bandage can be stretched in the vertical direction by a reciprocating drive assembly. When the bandage is stretched, it becomes thinner and produces ripples, so the adhesive applied to the bandage can penetrate into the bandage more easily, and the thickness of the adhesive on the bandage can be better controlled, thereby improving the adhesion performance of the bandage.

[0024] 2. By setting up a corner correction plate, the bandage can be pre-stretched before applying adhesive. After the bandage is stretched, the area of ​​the bandage increases, which can increase the area of ​​the bandage that can be sprayed with adhesive and the amount of adhesive sprayed. It also makes it easier for the adhesive to penetrate into the bandage and improve the adhesion of the bandage. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application.

[0026] Figure 2 This is a schematic diagram of the adhesive application assembly according to an embodiment of this application.

[0027] Figure 3 This is a schematic diagram of the structure of the angle correction plate according to an embodiment of this application.

[0028] Figure 4 This is a schematic diagram of the structure of the stretching component and the reciprocating drive component according to an embodiment of this application.

[0029] Figure 5 This is a schematic diagram of the structure of one side of the take-up roller in an embodiment of this application.

[0030] Explanation of reference numerals in the attached figures:

[0031] 1. Machine body; 11. Feeding roller; 12. Rewinding roller; 2. Glue application assembly; 21. Glue sprayer; 211. Waste glue tank; 22. Glue application roller; 221. Tensioning roller; 23. Angle correction plate; 24. Folding plate; 25. First rectangular through groove; 26. Fixing bolt; 27. Pre-stretch transition roller; 3. Stretching assembly; 31. First fixed stretching roller; 32. First slide rail; 33. Sliding plate; 34. First sliding stretching roller; 35. Middle 36. Second fixed stretching roller; 37. Second slide rail; 38. Second sliding stretching roller; 4. Reciprocating drive assembly; 41. First drive sprocket; 42. Second drive sprocket; 43. Drive chain; 44. Threaded rod; 45. Threaded plate; 5. Grinding roller; 6. Alignment plate; 61. Straight plate; 62. Second rectangular through slot; 63. Locking bolt; 7. First alignment roller; 71. Second alignment roller; 72. Transition roller. Detailed Implementation

[0032] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.

[0033] This application discloses a bandage adhesive applicator. (See also...) Figure 1A bandage adhesive applicator includes a machine body 1, on which a feeding roller 11, an adhesive applicator 2, a stretching assembly 3, and a take-up roller 12 are sequentially arranged. The adhesive applicator 2 is used to apply adhesive to the bandage, and the stretching assembly 3 can stretch the bandage after adhesive application, thereby increasing the penetration rate of the adhesive on the bandage. Both the feeding roller 11 and the take-up roller 12 are driven to rotate by a motor inside the machine body 1.

[0034] Reference Figure 1 and Figure 2 The glue application assembly 2 includes a glue sprayer 21 and a glue application roller 22. The glue application roller 22 is rotatably connected to the machine body 1. The glue spray nozzle of the glue sprayer 21 is set facing the roller surface of the glue application roller 22. The glue sprayer 21 is connected to a glue storage device. The distance between the glue application roller 22 and the glue sprayer 21 is slightly larger than the thickness of the bandage. A waste glue tank 211 is also fixedly connected below the glue sprayer 21. The opening of the waste glue tank 211 is located between the glue sprayer 21 and the glue application roller 22 and can be used to collect dripping waste glue. A tension roller 221 is also provided on the side of the glue application roller 22 away from the glue sprayer 21. The tension roller 221 is rotatably connected to the machine body 1 and its horizontal position is higher than that of the glue application roller 22.

[0035] Reference Figure 2 and Figure 3 Below the coating roller 22, a bend-aligning plate 23 is provided. The bend-aligning plate 23 is a smooth metal plate. One side of the bend-aligning plate 23 is fixedly connected to the machine body 1. The end of the bend-aligning plate 23 near the coating roller 22 has a bend, and the crease of the bend is parallel to the axis of the coating roller 22. The bend-aligning plate 23 is V-shaped. The side of the bend-aligning plate 23 that protrudes is located away from the glue spraying machine 21. Two bend plates 24 are provided on the side of the bend-aligning plate 23 away from the glue spraying machine 21. The two folding plates 24 are parallel to each other and their lengths are consistent with those of the angle correction plate 23. The length direction of the two folding plates 24 is perpendicular to the direction of the fold line of the angle correction plate 23. The two folding plates 24 also have folds, and the position of the folds is consistent with the position of the folds of the angle correction plate 23. The bandage coming out of the feeding roller 11 will first pass between the two folding plates 24, so that the bandage passes neatly between the glue sprayer 21 and the glue coating roller 22 along the prescribed route. The folds of the angle correction plate 23 can pre-stretch the bandage and improve the glue coating effect.

[0036] The angle-adjusting plate 23 has three first rectangular through slots 25, which are arranged along the length of the folding plate 24. The length direction of the first rectangular through slots 25 is perpendicular to the length direction of the folding plate 24. Each of the two folding plates 24 has three fixing bolts 26, which are positioned corresponding to the positions of the three first rectangular through slots 25. The fixing bolts 26 pass through the folding plate 24 and through the first rectangular through slots 25. A nut is threaded onto one end of the fixing bolt 26 that passes through the first rectangular through slot 25. The nut is tightly pressed against the side of the angle-adjusting plate 23 away from the folding plate 24, thus fixing the folding plate 24. If bandages of different widths are to be processed, the nut can be loosened to adjust the distance between the two folding plates 24. A pre-stretching transition roller 27 is also provided on the side of the angle-adjusting plate 23 facing the feeding roller 11. The pre-stretching transition roller 27 is located between the feeding roller 11 and the angle-adjusting plate 23 and at the end of the angle-adjusting plate 23 away from the glue coating roller 22.

[0037] Reference Figure 1 and Figure 4 The stretching assembly 3 includes a first fixed stretching roller 31, a second fixed stretching roller 36, a first sliding stretching roller 34, a middle sliding stretching roller 35, and a second sliding stretching roller 38. The first fixed stretching roller 31 and the second fixed stretching roller 36 have the same radius and are both located between the glue coating roller 22 and the take-up roller 12. The first fixed stretching roller 31 is located closer to the glue coating roller 22, and the second fixed stretching roller 26 is located closer to the take-up roller 12. The first fixed stretching roller 31 and the second fixed stretching roller 36 are rotatably connected to the machine body 1 and are set at the same height. The first sliding stretching roller 34, the middle sliding stretching roller 35, and the second sliding stretching roller 38 are all located below the first stretching roller 31. The first sliding stretching roller 34, the middle sliding stretching roller 35, and the second sliding stretching roller 38 have the same radius and are set at the same height.

[0038] Reference Figure 1 and Figure 4 The machine body 1 is fixedly connected to a first slide rail 32 and a second slide rail 37. The first slide rail 32 and the second slide rail 37 are parallel to each other and their length directions are both vertical. The first slide rail 32 and the second slide rail 37 are slidably connected to a sliding plate 33. The length direction of the sliding plate 33 is perpendicular to the length direction of the first slide rail 37. The first sliding stretching roller 34, the middle sliding stretching roller 35 and the second sliding stretching roller 38 are all rotatably connected to the sliding plate 33. The first sliding stretching roller 34 is located at the end near the glue coating roller, the second sliding stretching roller 38 is located at the end near the take-up roller 12, and the middle sliding stretching roller 35 is located between the first sliding stretching roller 34 and the second sliding stretching roller 38.

[0039] Reference Figure 4The machine body 1 is also equipped with a reciprocating drive assembly 4, which includes a first drive sprocket 41 and a second drive sprocket 42. The first drive sprocket 41 is located directly above the second fixed stretching roller 36, and the second drive sprocket 42 is located to the upper right of the first drive sprocket 41. Both the first drive sprocket 41 and the second drive sprocket 42 are rotatably connected to the machine body 1 and are driven to rotate by a motor inside the machine body 1. The first drive sprocket 41 and the second drive sprocket 42 rotate at the same speed. A drive chain 43 meshes with the first drive sprocket 41 and the second drive sprocket 42. One end of the chain 43 is fixedly connected to the sliding plate 33. The end of the drive chain 43 facing the second drive sprocket 42 is fixedly connected to a threaded rod 44. Several threaded plates 45 are threadedly connected to the threaded rod 44. When the first drive sprocket 41 and the second drive sprocket 42 rotate, the sliding plate 33 can be driven to descend through the drive chain. When the first drive sprocket 41 and the second drive sprocket 42 rotate without relying on electricity, the sliding plate 33 can be raised by the gravity of the threaded rod 44 and the threaded plates 45, realizing reciprocating motion. The speed of reciprocating motion can be controlled by the number of threaded plates 45.

[0040] Reference Figure 1 and Figure 4 A first positioning roller 7 is provided on the side of the first fixed stretching roller 31 facing the glue coating roller 22. The first positioning roller 7 is rotatably connected to the machine body 1. The first positioning roller 7 is axially parallel to the first fixed stretching roller 31 and is positioned slightly higher than the first fixed stretching roller 31. The side of the first positioning roller 7 facing the first fixed stretching roller 31 and the side of the first sliding stretching roller 34 facing the glue coating roller 22 are located on the same vertical plane. A second positioning roller 71 and a transition roller 72 are provided on the side of the second fixed stretching roller 36 facing the take-up roller 12. The second positioning roller 71 and... The transition rollers 72 are all rotatably connected to the machine body 1. The second positioning roller 71 and the second fixed stretching roller 38 have the same radius and are located at the same horizontal height. The transition roller 72 is located to the lower right of the second positioning roller 71 and is used to correct the direction of the bandage. The side of the second positioning roller 71 facing the second fixed stretching roller 38 and the side of the second sliding stretching roller 38 facing the take-up roller 12 are located on the same vertical plane. Through the first positioning roller 7 and the second positioning roller 71, the bandage can enter or exit vertically before and after stretching, which can make the bandage stretch better.

[0041] Reference Figure 4 and Figure 5Five grinding rollers 5 are arranged between the transition roller 72 and the take-up roller 12. The five grinding rollers 5 are located at the same height and are rotatably connected to the machine body 1. The uncoated side of the bandage is conveyed from above the grinding rollers 5. The grinding rollers 5 can smooth out burrs and other uneven areas on the bandage. A positioning plate 6 is arranged on the side of the take-up roller 12 facing the grinding rollers 5. The positioning plate 6 is a smooth metal plate with two parallel straight plates 61. The length direction of the straight plates 61 is arranged perpendicular to the axial direction of the take-up roller 12. Three second rectangular channels are opened on the positioning plate 6. The length direction of the second rectangular through slot 62 is perpendicular to the length direction of the straight plate 61. The three second rectangular through slots 62 are parallel to each other and are arranged along the length direction of the straight plate 61. Several locking bolts 63 corresponding to the positions of the second rectangular through slots 62 are inserted through the straight plate 61. The locking bolts 63 pass through the straight plate 61 and through the second rectangular through slots 62. A nut is threaded to one end of the locking bolt 63 that passes through the second rectangular through slot 62. The nut is tightly pressed against the side of the positioning plate 6 away from the straight plate 61. The bandage passes between the two straight plates 61, so that the bandage can be neatly rolled up.

[0042] The implementation principle of a bandage adhesive applicator according to an embodiment of this application is as follows: The bandage to be processed is rolled onto the feeding roller 11, then the bandage passes over the pre-stretch transition roller 27, then passes between the two folding plates 24, and then passes over the adhesive applicator roller 22. At this time, the adhesive nozzle of the adhesive sprayer 21 is directly facing the bandage. Then the bandage passes over the tension roller 221, then passes the first positioning roller 7 towards the side of the first fixed tension roller 31, so that the bandage is vertically conveyed. Then it passes under the first sliding tension roller 34, above the first fixed tension roller 31, below the middle sliding tension roller 35, and the first... The bandage passes above the second fixed stretching roller 36, below the second sliding stretching roller 38, and above the second positioning roller 71. It then passes under the transition roller 72, above the grinding roller 5, and between the two straight plates 61. Finally, it is wound onto the take-up roller 12. During the adhesive application process, the feeding roller 11 rotates a certain amount of bandage at regular intervals, allowing the bandage to be pre-stretched. After the pre-stretched bandage is fully stretched, the feeding roller 11 rotates again. During the bandage transmission process, the sliding plate 33 continuously reciprocates, stretching the bandage. Finally, after being ground by the grinding roller 5, it is wound up by the take-up roller 12.

[0043] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A bandage adhesive applicator, comprising a machine body (1), wherein a feeding roller (11), an adhesive applicator assembly (2) for applying adhesive, and a take-up roller (12) are sequentially arranged on the machine body (1), characterized in that: The machine body (1) is also provided with a stretching assembly (3) for stretching the bandage. The stretching assembly (3) includes a first fixed stretching roller (31) and a first slide rail (32). The first slide rail (32) is located below the first fixed stretching roller (31) and fixed to the machine body (1). The track of the first slide rail (32) is arranged in a direction perpendicular to the axis of the first fixed stretching roller (31). A sliding plate (33) is slidably connected to the first slide rail (32). A first sliding stretching roller (34) and a middle position are rotatably connected to the sliding plate (33). The sliding stretching roller (35) is parallel to the first fixed stretching roller (31) axially, and the first sliding stretching roller (34) and the middle sliding stretching roller (35) are both parallel to the first fixed stretching roller (31). The machine body (1) is also provided with a reciprocating drive assembly (4) for driving the sliding plate (33) to move back and forth. The glue application assembly (2) includes a glue sprayer (21) and a glue application roller (22). The glue application roller (22) is rotatably connected to the machine body (1). The glue spraying nozzle of the glue sprayer (21) is set facing the surface of the glue application roller (22). A corner correction plate (23) is provided below the glue application roller (22). The angle-adjusting plate (23) has a folded angle, and the protruding folded angle is located on the side of the angle-adjusting plate (23) away from the feeding roller (11); two parallel folding plates (24) are provided on the side of the angle-adjusting plate (23) away from the feeding roller (11), and the length direction of the folding plates (24) is arranged along the direction perpendicular to the axis of the coating roller (22). The two folding plates (24) are the same length as the angle-adjusting plate (23) and the bending position and angle are also the same. Several parallel first rectangular through slots (2) are opened on the angle-adjusting plate (23). 5) The length direction of the first rectangular through groove (25) is perpendicular to the length direction of the folding plate (24). Several fixing bolts (26) corresponding to the position of the first rectangular through groove (25) are threaded through the folding plate (24). The fixing bolts (26) pass through the first rectangular through groove (25) and are threaded with nuts that are tightly against the corner correction plate (23). The bandage coming out of the feeding roller (11) will first pass through the two folding plates (24) so ​​that the bandage passes neatly through the glue spraying machine (21) and the glue coating roller (22) along the prescribed route.

2. The bandage adhesive applicator according to claim 1, characterized in that: The stretching assembly (3) further includes a second fixed stretching roller (36) and a second slide rail (37). The second fixed stretching roller (36) is axially parallel to the first fixed stretching roller (31). The second slide rail (37) is located below the second fixed stretching roller (36) and fixed on the machine body (1). The second slide rail (37) is arranged parallel to the first slide rail (32). The two ends of the sliding plate (33) are slidably connected to the first slide rail (32) and the second slide rail (37) respectively. A second sliding stretching roller (38) is rotatably connected to one end of the sliding plate (33) near the second slide rail (37). The middle sliding stretching roller (35) is located between the first sliding stretching roller (34) and the second sliding stretching roller (38).

3. The bandage adhesive applicator according to claim 2, characterized in that: The reciprocating drive assembly (4) includes a first drive sprocket (41) and a second drive sprocket (42). The first drive sprocket (41) and the second drive sprocket (42) are rotatably connected to the body (1) and are driven to rotate by the electric power of the body (1). A drive chain (43) is meshed on the first drive sprocket (41) and the second drive sprocket (42). One end of the drive chain (43) is fixedly connected to the sliding plate (33). A threaded rod (44) is fixedly connected to the end of the drive chain (43) away from the sliding plate (33). A plurality of threaded plates (45) are threadedly connected to the threaded rod (44).

4. A bandage adhesive applicator according to claim 3, characterized in that: A first positioning roller (7) is provided on the side of the first fixed stretching roller (31) facing the feeding roller (11). The side of the first positioning roller (7) facing the first fixed stretching roller (31) and the side of the first sliding stretching roller (34) facing the feeding roller (11) are located on the same plane. A second positioning roller (71) is provided on the side of the second fixed stretching roller (36) facing the winding roller (12). The side of the second positioning roller (71) facing the first fixed stretching roller (31) and the side of the second sliding stretching roller (38) facing the winding roller (12) are located on the same plane.

5. A bandage adhesive applicator according to claim 1, characterized in that: The take-up roller (12) is provided with a plurality of grinding rollers (5) on the side facing the stretching assembly (3). The plurality of grinding rollers (5) are rotatably connected to the machine body (1). The plurality of grinding rollers (5) are axially parallel to each other and are all located at the same height.

6. A bandage adhesive applicator according to claim 5, characterized in that: A positioning plate (6) is provided on the side of the take-up roller (12) facing the grinding roller (5). Two parallel straight plates (61) are provided on the positioning plate (6). The length direction of the straight plates (61) is arranged in a direction perpendicular to the axial direction of the take-up roller (12). A plurality of second rectangular through slots (62) are provided on the positioning plate (6). The length direction of the second rectangular through slots (62) is perpendicular to the length direction of the straight plates (61). The plurality of second rectangular through slots (62) are parallel to each other and are arranged along the length direction of the straight plates (61). A plurality of locking bolts (63) corresponding to the positions of the second rectangular through slots (62) are passed through the straight plates (61). The locking bolts (63) pass through the second rectangular through slots (62) and are threaded with nuts that abut against the positioning plate (6).

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