Chemical ointment patch coating system

Abstract

The utility model discloses a chemical ointment patch coating system which sequentially comprises a first unwinding mechanism, a second unwinding mechanism and a winding mechanism in the conveying direction. The first unwinding mechanism is used for performing unwinding control on the coating base material; the second unwinding mechanism is used for performing unwinding control on the composite base material; the rolling mechanism is used for rolling and storing the compounded plaster; a coating device is arranged between the first unwinding mechanism and the second unwinding mechanism and used for coating a coating base material with plaster. The output side of the coating device is provided with a composite device, base materials released by the first unwinding mechanism and the second unwinding mechanism are input and pass through the composite device, and the composite device is used for compounding the coating base material coated with the plaster and the composite base material to form a continuously conveyed plaster. The linkage of all the mechanisms accelerates the production speed of the chemical plaster, the production efficiency is greatly improved, the waste of raw materials can be reduced, and the resource utilization rate is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ointment patch production, in particular to a chemical ointment patch coating system. Background Art

[0002] Patches are widely used in the pharmaceutical field and offer excellent therapeutic benefits. The patch production process primarily involves adhesive preparation, cloth feeding, plaster application, cutting, and packaging. These processes, including adhesive preparation, cloth feeding, plaster application, defect detection, and high-speed slicing, are critical to the production of patches, directly impacting their quality and, in turn, their profitability.

[0003] At present, domestic patch production lines are basically in a manual state, and most production equipment is designed by manufacturers themselves. The equipment standards are not unified, the technical content is low, the precision is low, the reliability is poor, and the product quality consistency is poor. Utility Model Content

[0004] The purpose of the present invention is to provide a chemical ointment coating system to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a chemical plaster coating system, which comprises, in the conveying direction, a first unwinding mechanism, a second unwinding mechanism and a rewinding mechanism;

[0006] A first unwinding mechanism, used for controlling the unwinding of the coated substrate;

[0007] A second unwinding mechanism, used for controlling the unwinding of the composite substrate;

[0008] The rewinding mechanism is used to roll up and store the compounded plaster;

[0009] A coating device is provided between the first unwinding mechanism and the second unwinding mechanism for coating the plaster on the coating substrate;

[0010] A compounding device is provided on the output side of the coating device, and the substrates released by the first unwinding mechanism and the second unwinding mechanism are both input into the compounding device, and the compounding device is used to compound the coating substrate coated with the plaster with the compound substrate to form a continuously transported plaster;

[0011] A tension control system is provided on the conveying passage between the first unwinding mechanism, the second unwinding mechanism and the rewinding mechanism, and the tension control system is used to control the conveying tension of the coating substrate, the composite substrate and the plaster.

[0012] Further, the tension control system includes a first tension control mechanism, a second tension control mechanism, and a third tension control mechanism. The first tension control mechanism is disposed between the first unwinding mechanism and the coating device for precisely controlling the unwinding tension of the coated substrate. The second tension control mechanism is disposed between the second unwinding mechanism and the laminating device for precisely controlling the unwinding tension of the laminated substrate. The third tension control mechanism is disposed on the input side of the winding mechanism for precisely controlling the winding tension.

[0013] Further, the second tension control mechanism includes a first tension control component and a second tension control component. The first tension control component is a floating roller structure. The second tension control component includes two sets of feeding rollers and two sets of pressure rollers. The two sets of feeding rollers are respectively driven by motors. The two sets of pressure rollers are respectively disposed above the corresponding feeding rollers, and the pressure rollers are driven by cylinders to move up and down. A distance measuring sensor is installed above the two sets of feeding rollers, and the distance measuring sensor is used to monitor the slack state of the laminated substrate between the two sets of feeding rollers.

[0014] Further, a first deviation rectifying mechanism is disposed between the first unwinding mechanism and the first tension control mechanism, and a second deviation rectifying mechanism is disposed between the second unwinding mechanism and the second tension control mechanism.

[0015] Further, it further includes a slitting mechanism disposed on the input side of the winding mechanism for slitting the plaster patches. The winding mechanism includes two sets of winding components, and the two sets of winding components are respectively used for winding and storing the slit plaster patches, and each winding component is a slip shaft; two sets of independent waste edge winding mechanisms are disposed above the slitting mechanism, and the two waste edge winding mechanisms are respectively used for winding and storing the two side waste edges after slitting.

[0016] Further, the waste edge winding mechanism is a reciprocating winding type waste edge winder.

[0017] Further, the laminating device is a heating laminating device, and a plurality of cooling rollers are disposed on the output side of the laminating device, and the cooling rollers are used for cooling the laminated plaster patches.

[0018] Further, a thickness gauge for detecting the coating thickness of the plaster is disposed between the coating device and the laminating device.

[0019] Further, the coating head structure in the coating device can refer to the "quick-release coating head for the production of plaster patches" applied by the applicant on the same day.

[0020] Further, the coating roller in the coating device is a steel roller, and the coating head and the coating roller are in gap coating. Two sets of high-precision displacement sensors are disposed on the coating device for monitoring the adjustment amount and state of the coating head gap.

[0021] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0022] The present utility model can accelerate the production speed of the chemical ointment patch through automated and intelligent control technologies, and the linkage of each mechanism can significantly improve the production efficiency;

[0023] By optimizing the production process and flow, the system can reduce the waste of raw materials and improve the resource utilization rate. At the same time, compared with traditional manual production, the system can significantly reduce the production time and labor costs, thereby meeting the growing market demand for ointment patches;

[0024] Moreover, the system has high flexibility and can adapt to the production of ointment patches with different specifications and formulas. This flexibility enables manufacturers to quickly respond to market demand changes, support small-batch and diversified production, and increase market competitiveness. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is the front view of a chemical ointment patch coating system of the present utility model;

[0026] Figure 2 is the structural schematic diagram of a chemical ointment patch coating system of the present utility model.

[0027] In the figure, the first unwinding mechanism - 1, the second unwinding mechanism - 2, the winding mechanism - 3, the coating device - 4, the laminating device - 5, the first tension control mechanism - 6, the second tension control mechanism - 7, the third tension control mechanism - 8, the first deviation rectifying mechanism - 9, the slitting mechanism - 10, the winding assembly - 31, the waste edge winding mechanism - 11, the cooling roller - 12, the thickness gauge - 13, the first tension control component - 14, the feeding roller - 15, the pressure roller - 16, the distance measuring sensor - 17. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0029] Such as Figure 1 and Figure 2As shown in the figure, a plaster patch coating system sequentially includes, along the conveying direction: a first unwinding mechanism 1, a second unwinding mechanism 2, and a winding mechanism 3; the first unwinding mechanism 1 is used for controlling the unwinding of the coating substrate; the second unwinding mechanism 2 is used for controlling the unwinding of the composite substrate; the winding mechanism 3 is used for winding and storing the composite plaster patch; a coating device 4 is arranged between the first unwinding mechanism 1 and the second unwinding mechanism 2 to coat the plaster on the coating substrate; a composite device 5 is arranged on the output side of the coating device 4, and the substrates released by the first unwinding mechanism 1 and the second unwinding mechanism 2 are both input through the composite device 5. The composite device 5 is used for composite the coating substrate coated with the plaster and the composite substrate to form a continuously conveyed plaster patch; a tension control system is arranged on the conveying channel between the first unwinding mechanism 1, the second unwinding mechanism 2 and the winding mechanism 3, and the tension control system is used for controlling the conveying tension of the coating substrate, the composite substrate and the plaster patch.

[0030] In this embodiment, the tension control system includes a first tension control mechanism 6, a second tension control mechanism 7, and a third tension control mechanism 8. The first tension control mechanism 6 is arranged between the first unwinding mechanism 1 and the coating device 4 to accurately control the unwinding tension of the coating substrate; the second tension control mechanism 7 is arranged between the second unwinding mechanism 2 and the composite device 5 to accurately control the unwinding tension of the composite substrate; the third tension control mechanism 8 is arranged on the input side of the winding mechanism 3 to accurately control the winding tension; a first deviation rectifying mechanism 9 is arranged between the first unwinding mechanism 1 and the first tension control mechanism 6, and a second deviation rectifying mechanism is arranged between the second unwinding mechanism 2 and the second tension control mechanism 7. The first deviation rectifying mechanism 9 and the second deviation rectifying mechanism can correct the deviation of the substrate and are convenient for lapping and bonding the material joints when changing the rolls during unwinding. The material joints are relatively flat and suitable for the human operation position.

[0031] The second tension control mechanism 7 includes a first tension control component and a second tension control component. The first tension control component is a floating roller structure. The second tension control component includes two groups of feeding rollers 15 and two groups of pressing rollers 16. The two groups of feeding rollers 15 are respectively driven by motors. The two groups of pressing rollers 16 are respectively arranged above the corresponding feeding rollers 15, and the pressing rollers 16 are driven by air cylinders to lift. A ranging sensor 17 is installed above the two groups of feeding rollers 15. The ranging sensor 17 is used for monitoring the slack state of the composite substrate between the two groups of feeding rollers 15 to perform closed-loop control of "zero tension".

[0032] In this embodiment, it further includes a slitting mechanism 10 arranged on the input side of the winding mechanism 3 for slitting the plaster patch. The winding mechanism 3 includes two groups of winding components 31, and the two groups of winding components 31 are respectively used for winding and storing the slit plaster patches, and each winding component 31 is a slip shaft; two sets of independent waste edge winding mechanisms 11 are arranged above the slitting mechanism 10, and the two waste edge winding mechanisms 11 are respectively used for winding and storing the two side waste edges after slitting.

[0033] In this embodiment, the composite device 5 is a heating composite device. Heating can make the glue better transferred to the composite substrate. A plurality of cooling rollers 12 are arranged on the output side of the composite device 5. Since the composite device 5 needs to perform composite through heating, the cooling rollers 12 cool the composite plaster patches, facilitating the subsequent processes. A thickness gauge 13 for detecting the coating thickness of the plaster is arranged between the coating device 4 and the composite device 5. The coating roller in the coating device is a steel roller, and the coating head and the coating roller perform gap coating. Two groups of high-precision displacement sensors are arranged on the coating device 4 to monitor the adjustment amount and state of the coating head gap. The gap coating method is convenient for coating glue with a relatively thick amount of glue.

[0034] The working principle of this embodiment is as follows:

[0035] First, the coating substrate is released by the first unwinding mechanism 1. The coating substrate is coated with a certain thickness of plaster by the coating device 4, and the coating amount of glue is adjusted according to the thickness information detected by the thickness gauge 13. The second unwinding mechanism 2 releases the composite substrate. The coating substrate coated with plaster and the composite substrate are synchronously conveyed to the composite device 5 and are composite into plaster patches in the composite device 5. The plaster patches are cooled by the cooling rollers 12 and then conveyed to the slitting mechanism 10 and slit into two paths, which are respectively wound and stored by two groups of winding assemblies 31. While slitting, the slitting mechanism 10 also trims the plaster patches, and the cut waste edges are wound and stored by the waste edge winding mechanism 11.

[0036] Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A plaster coating system, characterized in that, It successively includes, along the conveying direction: a first unwinding mechanism, a second unwinding mechanism, and a winding mechanism; The first unwinding mechanism is used for controlling the unwinding of the coating substrate; The second unwinding mechanism is used for controlling the unwinding of the composite substrate; The winding mechanism is used for winding and storing the compounded plaster patches; A coating device is arranged between the first unwinding mechanism and the second unwinding mechanism for coating the plaster on the coating substrate; A compounding device is arranged on the output side of the coating device. The substrates released by the first unwinding mechanism and the second unwinding mechanism are both input through the compounding device. The compounding device is used for compounding the coating substrate coated with the plaster and the composite substrate to form a continuously conveyed plaster patch; A tension control system is arranged on the conveying channel between the first unwinding mechanism, the second unwinding mechanism, and the winding mechanism, The tension control system is used for controlling the conveying tension of the coating substrate, the composite substrate, and the plaster patch.

2. The medicated plaster coating system according to claim 1, wherein: The tension control system includes a first tension control mechanism, a second tension control mechanism, and a third tension control mechanism. The first tension control mechanism is arranged between the first unwinding mechanism and the coating device for precisely controlling the unwinding tension of the coating substrate; the second tension control mechanism is arranged between the second unwinding mechanism and the compounding device for precisely controlling the unwinding tension of the composite substrate; the third tension control mechanism is arranged on the input side of the winding mechanism for precisely controlling the winding tension.

3. The medicated plaster coating system according to claim 2, wherein: The second tension control mechanism includes a first tension control component and a second tension control component. The first tension control component is a floating roller structure. The second tension control component includes two groups of feeding rollers and two groups of pressing rollers. The two groups of feeding rollers are respectively driven by motors. The two groups of pressing rollers are respectively arranged above the corresponding feeding rollers, and the pressing rollers are driven by air cylinders to move up and down. A distance measuring sensor is installed above the two groups of feeding rollers. The distance measuring sensor is used for monitoring the slack state of the composite substrate between the two groups of feeding rollers.

4. The coating system for a chemical ointment patch according to claim 2, characterized in that: A first deviation rectifying mechanism is arranged between the first unwinding mechanism and the first tension control mechanism, and a second deviation rectifying mechanism is arranged between the second unwinding mechanism and the second tension control mechanism.

5. The medicated plaster coating system according to claim 1, wherein: It also includes a slitting mechanism arranged on the input side of the winding mechanism for slitting the plaster patch. The winding mechanism includes two groups of winding components. The two groups of winding components are respectively used for winding and storing the slit plaster patches, and each winding component is a slip differential winding shaft; two sets of independent waste edge winding mechanisms are arranged on the upper side of the slitting mechanism. The two waste edge winding mechanisms are respectively used for winding and storing the two side waste edges after slitting.

6. The medicated plaster coating system according to claim 1, wherein: The compounding device is a heating compounding device, and a plurality of cooling rollers are arranged on the output side of the compounding device. The cooling rollers are used for cooling the compounded plaster patches.

7. A medicated plaster coating system according to claim 1, characterized in that: Two groups of high-precision displacement sensors are arranged on the coating device for monitoring the adjustment amount and state of the coating head gap.

8. The coating system for the medicated plaster patch according to claim 1, wherein: A thickness gauge for detecting the coating thickness of the plaster is arranged between the coating device and the compounding device.

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