Coating and pasting control device of hot melt adhesive machine for medical adhesive tape production

Abstract

The utility model provides a hot melt adhesive machine coating and pasting control device for medical adhesive tape production, which comprises a coating platform, a base material control assembly and a coating control assembly, the base material control assembly and the coating control assembly are arranged at the top of the coating platform, and the top of the base material control assembly comprises a base material mounting part. The coating control assembly is mounted above the base material mounting part through a supporting frame, comprises a coating spray head and at least can control the coating spray head to move in the first direction and the second direction which are perpendicular to each other; the multiple base material mounting parts are arranged, the coating control assembly can control the base material mounting parts to move in the third direction perpendicular to the first direction and the second direction, and the base material mounting parts are used for mounting release paper of the medical adhesive tape; through combined control of the base material control assembly and the coating control assembly, it is ensured that the release paper is accurately and stably coated.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical adhesive tape production technical field especially relates to a medical adhesive tape production is with hot melt glue machine coating and pasting control device. BACKGROUND

[0002] The principle of medical adhesive tape is based on the adhesion and firmness of the adhesive tape, which is applied to the medical field for fixing dressings, supporting joints, protecting skin, etc. The adhesive of medical adhesive tape usually uses polyacrylate, which has good adhesion and shear strength, and can form a firm adhesion on the skin surface. At the same time, the material selection of medical adhesive tape is also very important, generally using good air permeability materials such as cellulose, polyethylene, polyurethane, etc. to ensure the air permeability and comfort of the skin. By sticking medical adhesive tape on the part that needs to be fixed, the purpose of fixing dressings, supporting joints, protecting skin, etc. can be achieved.

[0003] In the prior art, the production of medical adhesive tape usually needs to coat the adhesive surface for adhesion, and the accuracy and stability of the coating position are particularly important. SUMMARY

[0004] In view of the deficiencies in the above-mentioned technology, the utility model provides a medical adhesive tape production is with hot melt glue machine coating and pasting control device, include: coating platform, base material control component and coating control component, base material control component and coating control component are located in the top of coating platform, the top of base material control component includes base material installation part, coating control component is installed in the upper of base material installation part through support frame, coating control component includes coating spray head, coating control component can control coating spray head moves along the first direction and the second direction which are perpendicular to each other at least;Base material installation part is equipped with a plurality of, coating control component can control base material installation part moves along the third direction which is perpendicular to the first direction and the second direction, base material installation part is used for installing the release paper of medical adhesive tape.

[0005] In one embodiment, the base material installation part includes a coating position and a avoiding position, the coating position is protruded from the top of the avoiding position and located on both sides of the avoiding position.

[0006] In one embodiment, the coating position is provided with a plurality of adsorption through holes, the adsorption through holes are connected with a suction pump, the suction pump generates negative pressure to adsorb the release paper of medical adhesive tape located in the coating position.

[0007] In one embodiment, the first direction is the X-axis direction in space, the second direction is the Z-axis direction in space, and the third direction is the Y-axis direction in space.

[0008] In one embodiment, the top of the substrate control assembly further comprises a mounting plate, the substrate mounting portion is mounted on the top of the mounting plate, the bottom of the coating platform comprises a Y-axis control motor, the coating platform is provided with a movement groove extending along the Y-axis, and the control end of the Y-axis control motor is connected with the mounting plate through the movement groove.

[0009] In one embodiment, the coating platform is provided with movement tracks on both sides in the X-axis direction of the movement groove, the mounting plate is assumed on the movement tracks and moves along the movement tracks, and distance detection assemblies are arranged on both sides of the movement groove in the Y-axis direction.

[0010] In one embodiment, the coating control assembly comprises an X-axis linear motion assembly and a Z-axis linear motion assembly, the Z-axis linear motion assembly is mounted on the X-axis linear motion assembly and can move along the Y-axis, and the coating nozzle is mounted on the Z-axis linear motion assembly and can move along the Z-axis.

[0011] In one embodiment, the Z-axis linear motion assembly comprises a fixed plate, a liquid glue storage tank is connected to the fixed plate, the coating nozzle is connected with the liquid glue storage tank and arranged at the bottom of the liquid glue storage tank.

[0012] In one embodiment, the liquid glue storage tank is provided with a heat preservation assembly.

[0013] The beneficial effects of the utility model are as follows: compared with the prior art, the medical adhesive tape production hot melt adhesive machine coating and pasting control device comprises a coating platform, a substrate control assembly and a coating control assembly, the substrate control assembly and the coating control assembly are arranged on the top of the coating platform, the top of the substrate control assembly comprises a substrate mounting portion, the coating control assembly is mounted above the substrate mounting portion through a support frame, the coating control assembly comprises a coating nozzle, the coating control assembly can control the coating nozzle to move in a first direction and a second direction which are perpendicular to each other, the substrate mounting portion is provided with a plurality of substrate mounting portions, the coating control assembly can control the substrate mounting portion to move in a third direction which is perpendicular to the first direction and the second direction, and the substrate mounting portion is used for mounting release paper of medical adhesive tape; the release paper is coated accurately and stably through the joint control of the substrate control assembly and the coating control assembly. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a perspective view of the utility model.

[0015] Figure 2 It is a front view of the utility model.

[0016] Figure 3 It is a Figure 2 It is a local enlarged view of position A.

[0017] Figure 4 is a side view of the utility model.

[0018] Figure 5 is a side view of the utility model. Figure 4 is a partial enlarged view of position B. DETAILED DESCRIPTION

[0019] In order to more clearly illustrate the utility model, the utility model will be further described below in conjunction with the drawings.

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] In the description of the utility model, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or indicating the number of the technical features indicated. Therefore, the features limited by "first" and "second" can be explicitly or implicitly included one or more of the features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0022] In the application, the word "exemplary" is used to mean "serving as an example, instance, or illustration". Any implementation described as exemplary in this application is not necessarily to be construed as preferred or advantageous over other implementations. The following description is presented to enable any person skilled in the art to make and use the utility model. In the following description, for purposes of explanation, details are set forth. It is apparent to those skilled in the art that the utility model can be practiced without the use of these specific details. In other instances, well-known structures and processes are not described in detail in order to avoid obscuring the description of the utility model. Thus, the utility model is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features presented herein.

[0023] Please refer toFigures 1-5 The application provides a hot melt adhesive machine coating and pasting control device for medical tape production, which comprises a coating platform 1, a base material control assembly 2 and a coating control assembly 3. The base material control assembly 2 and the coating control assembly 3 are arranged on the top of the coating platform 1. The top of the base material control assembly 2 comprises a base material mounting portion 21. The coating control assembly 3 is arranged above the base material mounting portion 21 through a support frame 4. The coating control assembly 3 comprises a coating nozzle 31. The coating control assembly 3 can control the coating nozzle 31 to move in a first direction and a second direction which are perpendicular to each other. The base material mounting portion 21 is provided with a plurality of base material mounting portions 21. The coating control assembly 3 can control the base material mounting portion 21 to move in a third direction which is perpendicular to the first direction and the second direction. The base material mounting portion 21 is used for mounting release paper of medical tape. Here, the hot melt adhesive machine coating and pasting control device which can move in at least three directions is arranged, so that the medical tape can be accurately coated. The common base materials of medical tape include non-woven fabric, PE film and silk cloth. Unlike industrial tape, medical tape requires good adhesion to the skin. After exercise and sweating, it must also ensure that the edges do not fall off. It also requires a certain degree of breathability and cannot cause pain when peeled off. The performance of an ideal medical tape must achieve a balanced and balanced state. Of course, it is not easy to produce a good medical tape. It requires communication and cooperation between hot melt adhesive manufacturers, tape back adhesive manufacturers and users. Here, the viscosity range of the preferred coating nozzle 31 is 2000-20000 mPa·S, so that the uniformity of coating can be ensured and glue overflow can be avoided.

[0024] Specifically, the coating control assembly 3 can control the coating nozzle 31 to move in a first direction and a second direction which are perpendicular to each other. At least one of the first direction and the second direction comprises a direction perpendicular to the medical tape, so that the degree of hot melt glue overflow during coating can be accurately controlled. Further, the coating height can be adjusted according to different base material mounting portion 21 arrangement modes.

[0025] In the embodiment, the coating control assembly 3 can control the base material mounting portion 21 to move in a third direction which is perpendicular to the first direction and the second direction. The base material mounting portion 21 is used for mounting medical tape. At least one control direction is controlled by the base material control assembly 2 provided with the base material mounting portion 21, so that the controllability of the base material mounting portion 21 is improved. The production process of the medical tape is to coat hot melt pressure-sensitive adhesive on the release paper with high temperature resistance, and then paste it on the base material. The product for dressing retains the release paper. After coating, it is compounded into a strip, a sheet or a roll product. The adhesive tape product needs to peel off the release paper. After rewinding, it is cut into products with the required width and length.

[0026] In one embodiment, the substrate mounting portion 21 comprises a coating site 211 and an avoiding site 212, the coating site 211 is protruded from the top of the avoiding site 212 and located on both sides of the avoiding site 212; wherein the avoiding site 212 is usually the application position of the subsequent medical tape, and does not need to be coated with liquid glue, so that the lower position is set to avoid the coating of the coating nozzle 31, and the coating site 211 is usually the sticking position, so that the higher position is set, and the overflow degree of the liquid glue and the distance of the nozzle during coating are controllable.

[0027] In one embodiment, the coating site 211 is provided with a plurality of adsorption through holes 213, the adsorption through holes 213 are connected with a suction pump 214, the suction pump 214 generates negative pressure to adsorb the medical tape located in the coating site 211, and here, the adsorption through holes 213 are set to adsorb and fix, compared with the traditional non-adsorption and clamping positioning, the take-up and pay-out control of the release paper to be processed is rapid and accurate, and at least the coating site 211 is fixed, so as to at least ensure that the coating site 211 is fixed and accurate.

[0028] In the embodiment, the suction pump 214 can be connected with the adsorption through holes 213 through a suction pipe, and the adsorption through holes 213 can be provided with silica gel anti-skid orifices to avoid slipping after adsorption.

[0029] In another embodiment, the substrate mounting portion 21 can be provided as a metal block with good heat conduction effect, and a heating assembly is arranged on the substrate mounting portion 21, the heating assembly can ensure that the hot melt glue does not cool too fast and is not easy to change shape during the coating process on the release paper, and the fault tolerance is low. Maintaining the hot melt state can make appropriate adjustment after coating error.

[0030] In one embodiment, the first direction is the X-axis direction in space, the second direction is the Z-axis direction in space, and the third direction is the Y-axis direction in space.

[0031] In one embodiment, the top of the substrate control assembly 2 further comprises a mounting plate 22, the substrate mounting portion 21 is mounted on the top of the mounting plate 22, the bottom of the coating platform 1 comprises a Y-axis control motor 24, the coating platform 1 is provided with a movement groove 25 extending along the Y-axis, and the control end of the Y-axis control motor 24 is connected with the mounting plate 22 through the movement groove 25; the Y-axis control motor 24 controls the displacement of the mounting platform in the Y-axis direction on the bottom of the coating platform 1, the movement groove 25 can limit the stroke of the Y-axis control motor 24 controlling the mounting platform, so as to control the stroke of the substrate mounting portion 21.

[0032] In one embodiment, the coating platform 1 is provided with a motion track 23 on both sides of the Y-axis direction of the motion slot 25, the mounting plate 22 is assumed on the motion track 23 and moves along the motion track 23, and the motion slot 25 is provided with a distance detection assembly 26 on both sides of the Y-axis direction; the distance detection assembly 26 can control the motion stroke of the Y-axis control motor 24 between each coating according to the set width of the release paper through the set detection data, and can avoid collision damage caused by excessive motion of the Y-axis control motor 24.

[0033] In one embodiment, the coating control assembly 3 comprises an X-axis linear motion assembly 32 and a Z-axis linear motion assembly 33, the Z-axis linear motion assembly 33 is installed on the X-axis linear motion assembly 32 and can move along the X-axis, and the coating nozzle 31 is installed on the Z-axis linear motion assembly 33 and can move along the Z-axis.

[0034] In one embodiment, the Z-axis linear motion assembly 33 comprises a fixed plate 331, the fixed plate 331 is connected with a liquid glue storage tank 311, the coating nozzle 31 is connected with the liquid glue storage tank 311 and is arranged at the bottom of the liquid glue storage tank 311, and the liquid glue storage tank 311 is used for accommodating hot-melt pressure-sensitive glue after hot melting, and the liquid glue storage tank 311 is provided with a heat preservation assembly 3111 to avoid condensation of the hot-melt pressure-sensitive glue before coating by the coating nozzle 31. In one embodiment, the heat preservation assembly 3111 can be a heat preservation metal layer, or a heating assembly can be additionally arranged in the liquid glue storage tank to continuously heat to avoid condensation.

[0035] The advantage of the utility model lies in:

[0036] Through joint control of the base material control assembly and the coating control assembly, the release paper can be precisely and stably coated.

[0037] The above disclosure is only several specific embodiments of the utility model, but the utility model is not limited to this, any change that can be thought of by any person skilled in the art should fall into the protection scope of the utility model.

Claims

1. A hot melt glue machine coating and sticking control device for medical tape production, characterized by, The application relates to a coating platform, a substrate control assembly and a coating control assembly, the substrate control assembly and the coating control assembly are arranged on the top of the coating platform, the top of the substrate control assembly comprises a substrate mounting part, the coating control assembly is arranged above the substrate mounting part through a support frame, the coating control assembly comprises a coating nozzle, the coating control assembly can control the coating nozzle to move in a first direction and a second direction which are perpendicular to each other, the substrate mounting part is provided with a plurality of substrate mounting parts, the coating control assembly can control the substrate mounting part to move in a third direction which is perpendicular to the first direction and the second direction, and the substrate mounting part is used for mounting release paper of medical adhesive tape. The substrate mounting part comprises a coating position and a avoiding position, the coating position is protruded from the top of the avoiding position and located on both sides of the avoiding position.

2. The coating and sticking control device of the hot melt adhesive machine for medical adhesive tape production according to claim 1, characterized in that, The coating position is provided with a plurality of adsorption through holes, the adsorption through holes are connected with a suction pump, the suction pump generates negative pressure to adsorb the release paper of the medical adhesive tape located in the coating position.

3. The coating and sticking control device of the hot melt adhesive machine for medical adhesive tape production according to claim 2, characterized in that, The first direction is an X-axis direction in space, the second direction is a Z-axis direction in space, and the third direction is a Y-axis direction in space.

4. The coating and sticking control device of the hot melt adhesive machine for medical tape production according to claim 1, characterized in that, The top of the substrate control assembly further comprises a mounting plate, the substrate mounting part is arranged on the top of the mounting plate, the bottom of the coating platform comprises a Y-axis control motor, the coating platform is provided with a movement groove extending along the Y-axis, and the control end of the Y-axis control motor is connected with the mounting plate through the movement groove.

5. The coating and sticking control device of the hot melt adhesive machine for medical adhesive tape production according to claim 4, characterized in that, The coating platform is provided with movement tracks on both sides in the X-axis direction of the movement groove, the mounting plate is arranged on the movement tracks and moves along the movement tracks, and distance detection assemblies are arranged on both sides in the Y-axis direction of the movement groove.

6. The coating and sticking control device of the hot melt adhesive machine for medical adhesive tape production according to claim 5, characterized in that, The coating control assembly comprises an X-axis linear motion assembly and a Z-axis linear motion assembly, the Z-axis linear motion assembly is arranged on the X-axis linear motion assembly and can move along the Y-axis, and the coating nozzle is arranged on the Z-axis linear motion assembly and can move along the Z-axis.

7. The coating and sticking control device of the hot melt adhesive machine for medical tape production according to claim 1, wherein, The Z-axis linear motion assembly comprises a fixed plate, a liquid glue storage tank is connected with the fixed plate, the coating nozzle is connected with the liquid glue storage tank and arranged on the bottom of the liquid glue storage tank.

8. The coating and sticking control device of the hot melt adhesive machine for medical adhesive tape production according to claim 7, characterized in that, The liquid glue storage tank is provided with a heat preservation assembly.

9. The coating and sticking control device of the hot melt adhesive machine for medical tape production according to claim 8, wherein, ​

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