Gluing device

By installing a cone cover at both ends of the glue device, combined with positioning screws and widened ring structures, the problem of accumulation and diffusion of glue during the glue process is solved, and the smooth flow and appropriate attachment of the rubber fluid are realized.

CN222402055UActive Publication Date: 2025-01-28SICHUAN SANHE MEDICAL MATERIALS
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Patent Information

Application Number
CN202421055786.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-15
Publication Date
2025-01-28
Estimated Expiration
2034-05-15

AI Technical Summary

Technical Problem

During the glue coating process, since the round rolling end surface is flush, the extruded glue liquid has poor fluidity, which is easy to accumulate in the round rolling end area, and may diffuse to the base cloth of breathable glue without glue coating. One side.

Method used

Design a rubber -coating device with a tapered hood at both ends of the roller, the cone cover is set on the round shaft, and the screw and wide ring structure are used to ensure the synchronization of the cone cover and the roller Essence

Benefits of technology

Through the design of the cone hood, the squeezed rubber fluid slides along the cone -shaped surface to smooth the flow, avoid the accumulation of the glue to the end of the roller, and prevent the glue from attached to the ventilated adhesive base cloth surface that does not need to be applied. Essence

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a gluing device which comprises a round roller in contact with breathable gluing base cloth, a shaft hole penetrating through the round roller is formed in the middle of one face of the round roller, a round shaft is inserted in the shaft hole, conical covers are arranged on the two sides of the round roller in the length direction of the round roller, the conical covers are arranged on the round shaft in a sleeved mode, and the conical covers are arranged on the round roller. The end, away from the round roller, of the conical cover is fixedly connected with a shaft sleeve, the shaft sleeve is arranged on the round shaft in a sleeving mode, a positioning piece used for limiting the relative position of the shaft sleeve and the round shaft is installed on the outer surface of the shaft sleeve, and through holes are annularly formed in the two parallel side faces of the round roller at equal intervals. A plurality of first positioning rods matched with the through holes are annularly fixed to the face, facing the round roller, of the conical cover at equal intervals, the first positioning rods are inserted into the through holes, and the air-permeable adhesive base cloth gluing device has the advantage that adhesive liquid is prevented from being attached to the face, not needing gluing, of the air-permeable adhesive base cloth.
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Description

Technical Field

[0001] The utility model relates to a glue coating device, belonging to the field of breathable adhesive tape production. Background Art

[0002] Breathable adhesive patch is a medical patch fixing dressing made of breathable non-woven fabric as the base material, coated with medical acrylic pressure-sensitive adhesive, and cut into pieces. The breathable adhesive patch is used for fixing drainage tubes and other catheters.

[0003] During the production, the breathable adhesive base fabric is pulled by a pulling device and passed between two symmetrically arranged rollers, wherein a portion of the lower roller is in the acrylic pressure-sensitive adhesive, and the upper roller and the lower roller together extrude the breathable adhesive base fabric, so that the acrylic pressure-sensitive adhesive adheres to the breathable adhesive base fabric to achieve gluing. During the gluing process, since the end faces of the rollers are flat, the squeezed glue liquid has poor fluidity, and the squeezed glue liquid will accumulate in the end area of ​​the rollers. The glue liquid accumulated on the flat end faces of the rollers will diffuse to the upper surface of the breathable adhesive base fabric, resulting in the glue liquid adhering to the surface of the breathable adhesive base fabric that does not need to be glued. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a glue coating device to solve the problems raised in the above-mentioned background technology. The utility model can prevent the glue from adhering to the side of the breathable adhesive base cloth that does not need to be coated with glue.

[0005] In order to achieve the above purpose, the utility model is implemented through the following technical solutions:

[0006] A glue coating device comprises a roller in contact with a breathable adhesive base cloth, an axial hole penetrating the roller is provided in the middle of one end face of the roller, a round shaft is inserted in the axial hole, conical covers are provided on both sides of the roller along its length direction, the conical cover is sleeved on the round shaft, a sleeve is connected and fixed to the end of the conical cover away from the roller, the sleeve is sleeved on the round shaft, a positioning piece for limiting the relative position of the sleeve and the round shaft is installed on the outer surface of the sleeve, through holes are equidistantly provided in annular shape on two parallel side faces of the roller, a plurality of first positioning rods matching the through holes are equidistantly fixed in annular shape on a side of the conical cover facing the roller, and the first positioning rods are inserted in the through holes.

[0007] Furthermore, the positioning member includes a shielding tube, the outer surface of the sleeve is mounted with the shielding tube, the shielding tube is communicated with the internal space of the sleeve, the shielding tube is arranged along the radial direction of the sleeve, a positioning plate is connected and fixed to one side of the shielding tube close to the sleeve, a screw hole is opened in the middle position of one side of the positioning plate, a positioning screw for limiting the relative position of the sleeve and the circular shaft is threadedly connected to the screw hole, one end of the positioning screw extends to the outside of the shielding tube, the positioning screw is sleeved with a ring connected and fixed to the positioning screw, and the ring is slidably installed in the shielding tube.

[0008] Furthermore, a circular opening is formed on the outer surface of the shaft sleeve, and one end of the shielding tube is connected and fixed in the circular opening.

[0009] Furthermore, a positioning groove is provided on the outer surface of the circular shaft, and the positioning groove is arranged along the length of the circular shaft. A positioning key matching the positioning groove is connected and fixed to the inner surface of the shaft hole, and the positioning key is inserted in the positioning groove. The positioning key and the circular shaft are an integrally formed structure.

[0010] Furthermore, the roller is provided with a plurality of mutually plugged widening rings on both sides along its length direction, the outer diameter of the widening ring is the same as the outer diameter of the roller, the widening ring is arranged between the conical cover and the roller, a plurality of second positioning rods matching the through hole are fixed in a circular shape and equidistantly on the side of the widening ring facing the roller, one end of the second positioning rod is inserted in the through hole, a plurality of pin holes are opened in a circular shape and equidistantly on the side of the widening ring away from the second positioning rod, the first positioning rod on the conical cover is inserted in the pin hole on the widening ring, and the second positioning rod on one of the widening rings is inserted in the pin hole on the other widening ring.

[0011] Furthermore, the position where the widening ring is installed with the second positioning rod is recessed to form a blind hole, and one end of the second positioning rod is fixed in the blind hole.

[0012] Beneficial effects of the utility model:

[0013] 1. Conical covers are installed at both ends of the roller, and the glue overflowing to the end of the roller under the action of the extrusion force will slide along the conical surface of the conical cover, so that the squeezed glue flows smoothly, so that the squeezed glue does not accumulate in the end area of ​​the roller, so as to prevent the glue from adhering to the side of the breathable adhesive base cloth that does not need to be coated with glue.

[0014] 2. When the length of the roller is smaller than the width of the breathable adhesive base fabric, multiple widening rings are arranged between the roller and the conical cover according to the width of the breathable adhesive base fabric, so that the second positioning rod on one widening ring is inserted into the pin hole on the other widening ring to achieve the plug-in of two adjacent widening rings, and then the second positioning rod on one widening ring is inserted into the through hole on the roller, and the first positioning rod on the conical cover is inserted into the pin hole on one widening ring to achieve the plug-in of the conical cover, multiple widening rings and the roller, and the positioning screw is used to limit the relative position of the sleeve and the round shaft, so that the structure formed by the widening ring and the roller meets the requirements of the width of the breathable adhesive base fabric, is suitable for the needs of gluing breathable adhesive base fabrics of different widths, and expands the scope of application.

[0015] 3. Thread the positioning screw into the screw hole, install the positioning plate with the screw hole in the shielding tube, and slide the ring on the positioning screw into the shielding tube, so that the threaded connection between the positioning screw and the screw hole is hidden to prevent the glue sliding along the surface of the conical cover from spreading to the connection between the positioning screw and the screw hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0017] Figure 1 This is a structural schematic diagram of a glue coating device of the utility model;

[0018] Figure 2 This is a schematic diagram of the explosion assembly of a glue coating device of the utility model;

[0019] Figure 3 This is a schematic diagram of the assembly of a shaft sleeve and a conical cover in a glue coating device of the utility model;

[0020] Figure 4 It is a stereoscopic diagram of a widening ring in a glue coating device of the utility model;

[0021] Figure 5 It is a three-dimensional diagram of a circular shaft in a glue coating device of the utility model;

[0022] Figure 6 It is a three-dimensional diagram of a round roll in a glue coating device of the utility model;

[0023] Figure 7 It is a schematic diagram of the assembly of a positioning screw, a circular ring, a positioning plate and a shielding cylinder in a glue coating device of the utility model;

[0024] In the figure: 1-roller, 2-widening ring, 3-conical cover, 4-sleeve, 5-round shaft, 6-shielding tube, 7-positioning screw, 8-shaft hole, 9-through hole, 10-positioning key, 11-positioning groove, 12-first positioning rod, 13-round mouth, 14-pin hole, 15-second positioning rod, 16-positioning plate, 17-circular ring. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0026] See also Figure 1 , Figure 2 , Figure 5 and Figure 6 The utility model provides a glue coating device, including a roller 1 in contact with a breathable adhesive base cloth, an axial hole 8 penetrating the roller 1 is provided at the middle position of one end surface of the roller 1, a round shaft 5 is inserted in the axial hole 8, wherein a positioning groove 11 is provided on the outer surface of the round shaft 5, and the positioning groove 11 is arranged along the length direction of the round shaft 5, and a positioning key 10 matched with the positioning groove 11 is connected and fixed to the inner surface of the axial hole 8, so that the positioning key 10 which is an integrally formed structure with the roller 1 is inserted in the positioning groove 11, so as to limit the relative position of the round shaft 5 and the roller 1, prevent the roller 1 from rotating around the round shaft 5, and make the end of the round shaft 5 rotatably connected to the supporting carrier through the bearing, so that the roller 1 and the round shaft 5 rotate together around the bearing.

[0027] See also Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6 and Figure 7 Conical covers 3 are provided on both sides of the roller 1 along its length direction. The conical covers 3 are sleeved on the round shaft 5. The end of the conical cover 3 away from the roller 1 is connected and fixed with a sleeve 4. The sleeve 4 is sleeved on the round shaft 5. The outer surface of the sleeve 4 is equipped with a positioning screw 7 for limiting the relative position of the sleeve 4 and the round shaft 5. Conical covers 3 are installed at both ends of the roller 1, and then the glue overflowing to the end of the roller 1 under the action of the extrusion force will slide along the conical surface of the conical cover 3, so that the squeezed glue flows smoothly, so that the squeezed glue does not accumulate in the end area of ​​the roller 1, so as to prevent the glue from adhering to the side of the breathable adhesive base cloth that does not need to be coated with glue.

[0028] See also Figure 1 , Figure 2 , Figure 3 and Figure 6, through holes 9 are equidistantly provided in annular shape on two parallel side surfaces of the roller 1, and a plurality of first positioning rods 12 matching with the through holes 9 are equidistantly fixed in annular shape on the side of the conical cover 3 facing the roller 1, so that the first positioning rods 12 are inserted into the through holes 9, so that the conical cover 3 and the roller 1 form a plug-in relationship, which facilitates the synchronous rotation of the conical cover 3 and the roller 1, and is beneficial to reducing the load of the positioning screw 7.

[0029] See also Figure 1 , Figure 2 , Figure 3 and Figure 7 A shielding tube 6 is installed in the circular opening 13 opened on the outer surface of the sleeve 4, and the shielding tube 6 is communicated with the internal space of the sleeve, and the shielding tube 6 is arranged along the radial direction of the sleeve 4. A positioning plate 16 is connected and fixed to one side of the shielding tube 6 close to the sleeve 4, and a screw hole is opened in the middle of one side of the positioning plate 16. A positioning screw 7 for limiting the relative position of the sleeve 4 and the circular shaft 5 is threadedly connected in the screw hole. One end of the positioning screw 7 extends to the outside of the shielding tube 6, and a ring 17 connected and fixed to the positioning screw 7 is sleeved on the positioning screw 7. The ring 17 is slidably installed in the shielding tube 6, and the positioning screw 7 is threadedly connected in the screw hole, and the positioning plate 16 with the screw hole is installed in the shielding tube 6, and the ring 17 on the positioning screw 7 is slidably installed in the shielding tube 6, so that the threaded connection part between the positioning screw 7 and the screw hole is in a hidden state, so as to prevent the glue sliding along the surface of the conical cover 3 from diffusing to the connection part between the positioning screw 7 and the screw hole.

[0030] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6The roller 1 is provided with a plurality of mutually plugged widening rings 2 on both sides along its length direction, and the outer diameter of the widening ring 2 is the same as that of the roller 1. The widening ring 2 is arranged between the conical cover 3 and the roller 1. The widening ring 2 faces the roller 1 in a circular manner, and a plurality of blind holes are equidistantly connected and fixed to a second positioning rod 15 that matches the through hole 9. One end of the second positioning rod 15 is inserted in the through hole 9. The widening ring 2 faces away from the second positioning rod 15 in a circular manner, and a plurality of pin holes 14 are equidistantly opened. When the length of the roller 1 is less than the width of the breathable adhesive base cloth, a plurality of widening rings 2 are arranged between the roller 1 and the conical cover 3 according to the width of the breathable adhesive base cloth. , so that the second positioning rod 15 on a widening ring 2 is inserted into the pin hole 14 on another widening ring 2 to realize the plug-in of two adjacent widening rings 2, and then the second positioning rod 15 on a widening ring 2 is inserted into the through hole 9 on the roller 1, and the first positioning rod 12 on the conical cover 3 is inserted into the pin hole 14 on a widening ring 2 to realize the plug-in of the conical cover 3, multiple widening rings 2 and the roller 1, and the positioning screw 7 is used to limit the relative position of the sleeve 4 and the round shaft 5, so that the structure formed by the widening ring 2 and the roller 1 meets the requirements of the width of the breathable adhesive base cloth, is suitable for the needs of gluing breathable adhesive base cloths of different widths, and expands the scope of application.

[0031] Although this specification is described according to implementation modes, not every implementation mode includes only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A glue coating device, comprising a roller (1) in contact with a breathable adhesive base fabric, characterized in that: An axial hole (8) penetrating the roller (1) is provided at a middle position of one end surface of the roller (1), and a round shaft (5) is inserted into the axial hole (8); The roller (1) is provided with a conical cover (3) on both sides along its length direction, the conical cover (3) is sleeved on the round shaft (5), one end of the conical cover (3) away from the roller (1) is connected and fixed with a shaft sleeve (4), the shaft sleeve (4) is sleeved on the round shaft (5), and a positioning member for limiting the relative position of the shaft sleeve (4) and the round shaft (5) is installed on the outer surface of the shaft sleeve (4); The roller (1) has two parallel side surfaces with through holes (9) formed in an annular shape and equidistant therefrom. A plurality of first positioning rods (12) matching the through holes (9) are fixed in an annular shape and equidistant therefrom on a side of the conical cover (3) facing the roller (1). The first positioning rods (12) are inserted into the through holes (9).

2. The gluing device according to claim 1, characterized in that: The positioning member comprises a shielding cylinder (6) mounted on the outer surface of the shaft sleeve (4), the shielding cylinder (6) being in communication with the inner space of the shaft sleeve (4), and the shielding cylinder (6) being arranged along the radial direction of the shaft sleeve (4); A positioning plate (16) is connected and fixed to one side of the shielding tube (6) close to the shaft sleeve (4); a screw hole is provided in the middle of one side of the positioning plate (16); a positioning screw (7) for limiting the relative position of the shaft sleeve (4) and the circular shaft (5) is threadedly connected to the screw hole; One end of the positioning screw (7) extends to the outside of the shielding tube (6); a circular ring (17) connected and fixed to the positioning screw (7) is sleeved on the positioning screw (7); the circular ring (17) is slidably mounted in the shielding tube (6).

3. The gluing device according to claim 2, characterized in that: The outer surface of the shaft sleeve (4) is provided with a circular opening (13), and one end of the shielding tube (6) is connected and fixed in the circular opening (13).

4. The gluing device according to claim 1, characterized in that: The outer surface of the circular shaft (5) is provided with a positioning groove (11), and the positioning groove (11) is arranged along the length of the circular shaft (5). The inner surface of the shaft hole (8) is connected and fixed with a positioning key (10) that matches the positioning groove (11), and the positioning key (10) is inserted in the positioning groove (11). The positioning key (10) and the circular roller (1) are an integrally formed structure.

5. The gluing device according to claim 1, characterized in that: The roller (1) is provided with a plurality of mutually plugged widening rings (2) on both sides along its length direction, the outer diameter of the widening ring (2) being the same as that of the roller (1), the widening ring (2) being arranged between the conical cover (3) and the roller (1), a plurality of second positioning rods (15) matching with the through hole (9) being fixed in an annular shape and equidistantly on the side of the widening ring (2) facing the roller (1), one end of the second positioning rod (15) being inserted into the through hole (9), a plurality of pin holes (14) being opened in an annular shape and equidistantly on the side of the widening ring (2) facing away from the second positioning rod (15), the first positioning rod (12) on the conical cover (3) being inserted into the pin hole (14) on the widening ring (2), and the second positioning rod (15) on one widening ring (2) being inserted into the pin hole (14) on the other widening ring (2).

6. The gluing device according to claim 5, characterized in that: The position where the widening ring (2) is mounted with the second positioning rod (15) is recessed to form a blind hole, and one end of the second positioning rod (15) is fixed in the blind hole.