Coating dip-coating equipment with circulating cleaning function
By introducing a circulating cleaning system into the coating dip-coating equipment, the problem of incomplete cleaning of residual solution was solved, the stability and production efficiency of the drainage conduit were improved, and labor costs were reduced.
Patent Information
- Application Number
- CN202520140037.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-01-21
AI Technical Summary
Existing coating processing equipment fails to effectively clean residual solutions, resulting in particles from the old solution solidifying and becoming mixed in with the new solution. This affects the smoothness and biocompatibility of the drainage catheter, and also leads to low production efficiency and high costs.
A circulating cleaning system is added to the coating dipping equipment. The solution tube is circulated and cleaned through a PLC controller and a circulating pump until there is no residue left. Combined with a lifting system and a sealing cap design, the cleaning effect is ensured.
It improves the stability and smoothness of the drainage catheter, reduces labor costs, increases production efficiency, and avoids the problem of lumps forming after the solution solidifies.
Smart Images
Figure CN223819293U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical equipment processing equipment technical field especially, it is a kind of coating dip-coating equipment with circulating cleaning function. BACKGROUND
[0002] In craniocerebral external drainage operation, the intracranial fluid (including cerebrospinal fluid, cerebral hemorrhage (hematoma), brain cyst fluid, etc.) is drained to the outside of the body through craniocerebral puncture or lumbar puncture.
[0003] The above treatment process needs to use drainage catheter, and the outer surface of the drainage catheter has a hydrophilic coating, which can greatly increase the smoothness of the catheter. The hydrophilic coating part of the drainage catheter is PVP (polyvinylpyrrolidone), and the hydrophilic coating needs to be activated before clinical use. The specific operation is to soak the drainage catheter in normal saline or antibiotic solution for 30s to fully wet the coating. The hydrophilic coating is beneficial to improve the hydrophilic lubricity of the drainage catheter, facilitate the insertion of the drainage catheter into the brain, reduce the irritation and friction damage to the surrounding tissue, and improve the biocompatibility of the drainage catheter.
[0004] The existing process equipment for processing coating on the catheter only has the coating processing capability, and does not consider the cleaning of the residual solution in the coating equipment. In actual production, it is generally not possible to produce continuously every day, such as equipment downtime without coating process production. In the existing coating equipment, the use time of the coating liquid is 72 hours, and the residual solution pipe needs to be cleaned after use, otherwise there will be old solution residue. When adding new solution for the next coating dipping process, it is easy to cause the particles of the solidified old solution to mix in the new solution. If the particles and the solution are adsorbed on the catheter together during the dipping of the drainage catheter, the particles will be formed after solidification, which will affect the smoothness of the drainage catheter when implanted into the human body.
[0005] The utility model improves the coating dipping equipment, adds the cleaning function, and circulates the cleaning of the solution pipe until there is no residual solution. The stability problem of the catheter in the coating dipping process and the bump problem formed after the solidification of the solution are solved. Compared with the existing equipment on the market, the utility model has higher efficiency, less labor and lower cost. UTILITY MODEL CONTENTS
[0006] The main purpose of the utility model is to provide a coating dipping equipment with circulating cleaning function, so as to effectively solve the problems in the background art.
[0007] To achieve the above objectives, the present invention adopts the following technical solution: a coating dipping device with a circulating cleaning function, comprising a device frame, a control system, a circulating cleaning system, a lifting system, and a solution pipe; the device frame is a rectangular frame structure with a partition at the bottom; the lifting system includes two parallel control motors fixed to the top of the device frame and two pulleys fixed to the partition, each control motor being connected to a pulley by a belt; the control system includes a PLC controller fixed to the partition;
[0008] The circulating cleaning system includes two loading and unloading troughs fixed to the lower ends of two belts by clamps, multiple U-shaped solution tubes movably installed at the bottom of the equipment frame, the multiple U-shaped solution tubes arranged side by side, and the two sides of the U-shaped solution tubes connected as one unit by a fixing strip. The bottom outer side of the two loading and unloading troughs is provided with joints equal in number to the U-shaped solution tubes. A cleaning tank is also provided at the bottom of the equipment frame, and a circulating pump is provided on the cleaning tank. The inlet and outlet of the circulating pump are respectively connected to a sealing cap by a hose. The PLC controller is electrically connected to the circulating pump and the control motor.
[0009] Preferably, each belt has a guide rail in the middle that is close to the belt to prevent the belt from shaking when it moves.
[0010] Preferably, the spacing between the multiple connectors is adapted to the spacing between the multiple U-shaped solution tubes.
[0011] Preferably, the sealing cap has a strip-shaped hollow structure with multiple insertion holes on the lower side and a main inlet / outlet hole on the upper side.
[0012] Preferably, the multiple insertion holes on the lower side of the sealing cap can be respectively inserted and sealed with the top opening of the solution tube.
[0013] Preferably, the inlet and outlet holes on the two sealing caps are sealed to the hose.
[0014] Preferably, the cleaning tank has an observation port on the side and a drain valve at the bottom.
[0015] The beneficial effects of this invention are as follows: A cleaning function is added to the existing equipment to circulate and clean the solution tube until no solution residue remains. This solves the stability problem of the conduit during the coating process and the problem of lumps formed after the solution bulges and solidifies. It is also more efficient, requires less manpower, and is lower in cost compared to existing equipment on the market. Attached Figure Description
[0016] Appendix Figure 1 This is a schematic diagram of the structure of this utility model.
[0017] Appendix Figure 2 This is a schematic diagram of the sealing cap structure of this utility model.
[0018] AppendixFigure 3 for the purpose of Figure 2 A-A cross-sectional view. for the purpose of
[0019] for the purpose of Figure 4 for the purpose of the present application, the structure of the drainage catheter is shown in the figure.
[0020] for the purpose of Figure 1 In Figure 4, the control motor 1, the PLC controller 2, the guide rail strip 3, the belt 4, the loading and unloading groove 5, the solution pipe 6, the circulating pump 7, the joint 8, the cleaning tank 9, the sealing cover 10, the drainage catheter 11, the equipment frame 12, the partition plate 13, the hose 14, the fixing strip 15, the inlet and outlet total hole 16, the jack 17, the belt pulley 18, the observation port 19, and the drainage valve 20. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below in combination with the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.
[0022] for the purpose of Figure 1 As shown in Figure 4, a coating dip coating equipment with a circulating cleaning function comprises an equipment frame, a control system, a circulating cleaning system, a lifting system, and a solution pipe. The equipment frame 12 is a rectangular frame structure, and a partition plate 13 is arranged at the lower part of the equipment frame 12. The lifting system comprises two control motors 1 fixed on the top of the equipment frame 12, two belt pulleys 18 fixed on the partition plate 13, and a belt 4 connecting each control motor 1 with one belt pulley 18. The control system comprises a PLC controller 2 fixed on the partition plate 13.
[0023] The circulating cleaning system comprises two loading and unloading grooves 5 fixed at the lower ends of the two belts 4 by clamps, a plurality of U-shaped solution pipes 6 movably arranged at the bottom of the equipment frame 12, and a plurality of fixing strips 15 connecting the two sides of the U-shaped solution pipe 6 into one body. The bottom outer side of the two loading and unloading grooves 5 is provided with joints 8 equal in number to the U-shaped solution pipes 6. A cleaning tank 9 is further arranged at the bottom of the equipment frame 12, and the circulating pump 7 is arranged on the cleaning tank 9. The inlet and outlet of the circulating pump 7 are connected with a sealing cover 10 by a hose 14. The PLC controller 2 is electrically connected with the circulating pump 7 and the control motor 1.
[0024] Preferably, a guide rail strip 3 is arranged in the middle of each belt 4 and close to the belt 4 to prevent the belt 4 from shaking when moving.
[0025] Preferably, the arrangement interval of the plurality of joints 8 is adapted to the arrangement interval of the plurality of U-shaped solution pipes 6.
[0026] Preferably, the sealing cover 10 is a strip-shaped hollow structure, and a plurality of insertion holes 17 are arranged on the lower side, and an access hole 16 is arranged on the upper side.
[0027] Preferably, the plurality of insertion holes 17 on the lower side of the sealing cover 10 are respectively sealed with the pipe orifice on the top of the solution pipe 6.
[0028] Preferably, the access holes 16 on the two sealing covers 10 are sealed with the hose 14.
[0029] Preferably, the cleaning tank 9 is provided with an observation hole 19 on the side, and a liquid discharge valve 20 on the bottom.
[0030] When working, step 1, the coating liquid is added into the solution pipe 6;
[0031] Step 2, the PLC controller 2 is set according to the drainage catheter 11, and the lifting and lowering distance of the loading and unloading tank 5 is set.
[0032] Step 3, the drainage catheter 11 is clamped on the joint 8 on the lower side of the loading and unloading tank 5.
[0033] Step 4, the forward rotation and reverse rotation of the motor 1 is controlled through the control switch, so as to realize the lifting and lowering of the loading and unloading tank 5, when the loading and unloading tank 5 is lowered to the appropriate position, the drainage catheter 11 enters into the solution pipe 6, and after staying for a set time, the lifting is performed, after the lifting to the set position, the drainage catheter 11 is disassembled and transferred to the next process.
[0034] Step 5, after a certain period of production, or when the solution is more than 72 hours, the solution pipe 6 needs to be cleaned. At this time, the sealing cover 10 is respectively covered on the upper opening of the left and right solution pipes 6.
[0035] Step 6, the alcohol or cleaning liquid is added into the cleaning tank 9.
[0036] Step 7, the circulating pump 7 is started, and the liquid in the solution pipe 6 can be observed to flow, and the alcohol or cleaning liquid is circulated.
[0037] The observation hole 19 of the cleaning tank 9 is observed to check whether it is turbid, and the cleaning degree is determined. If the cleaning is not thorough enough, the cleaning liquid can be discharged through the liquid discharge valve 20 below the cleaning tank 9, and then the alcohol or cleaning liquid is added again for cleaning. Until the observation is clear.
[0038] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A coating dip-coating device with a circulating cleaning function, characterized in that: It includes an equipment frame, a control system, a circulating cleaning system, a lifting system, and a solution pipe; the equipment frame is a rectangular frame structure with a partition at the bottom; the lifting system includes two parallel control motors fixed to the top of the equipment frame and two pulleys fixed to the partition, with each control motor connected to one pulley by a belt; the control system includes a PLC controller fixed to the partition. The circulating cleaning system includes two loading and unloading troughs fixed to the lower ends of two belts by clamps, multiple U-shaped solution tubes movably installed at the bottom of the equipment frame, the multiple U-shaped solution tubes arranged side by side, and the two sides of the U-shaped solution tubes connected as one unit by a fixing strip. The bottom outer side of the two loading and unloading troughs is provided with joints equal in number to the U-shaped solution tubes. A cleaning tank is also provided at the bottom of the equipment frame, and a circulating pump is provided on the cleaning tank. The inlet and outlet of the circulating pump are respectively connected to a sealing cap by a hose. The PLC controller is electrically connected to the circulating pump and the control motor.
2. The coating dip-coating equipment with circulating cleaning function according to claim 1, characterized in that: Each belt has a guide rail in the middle that is close to the belt to prevent the belt from shaking when it moves.
3. The coating dip-coating equipment with circulating cleaning function according to claim 1, characterized in that: The spacing between the multiple connectors is adapted to the spacing between the multiple U-shaped solution tubes.
4. The coating dip-coating equipment with circulating cleaning function according to claim 1, characterized in that: The sealing cap has a strip-shaped hollow structure with multiple insertion holes on the lower side and a main inlet / outlet hole on the upper side.
5. A coating dip-coating device with a circulating cleaning function according to claim 4, characterized in that: The multiple insertion holes on the lower side of the sealing cap can be inserted and sealed to the top opening of the solution tube.
6. A coating dip-coating device with a circulating cleaning function according to claim 4, characterized in that: The inlet and outlet holes on the two sealing caps are sealed to the hoses.
7. A coating dip-coating device with a circulating cleaning function according to claim 1, characterized in that: The cleaning tank has an observation port on its side and a drain valve at its bottom.