Medical catheter processing device with sorting function

Abstract

The utility model belongs to the technical field of medical catheter production and processing, and relates to a medical catheter processing device with a sorting function, which comprises an unwinding mechanism and a traction mechanism arranged on one side of the unwinding mechanism and used for traction of a catheter, and a wall thickness monitor used for detecting the wall thickness of a hose is arranged between the unwinding mechanism and the traction mechanism. A cutting mechanism is arranged on the other side of the traction mechanism, a material receiving conveying belt is arranged on the other side of the cutting mechanism, and a sorting mechanism is arranged on the material receiving conveying belt. The device can automatically detect, cut and sort the medical catheters, the wall thickness monitor is arranged on the feeding side of the traction mechanism, the cutting mechanism is arranged on the discharging side of the traction mechanism, cutting after detection can be achieved, and the working efficiency is greatly improved; according to the sorting mechanism, qualified products can be sorted out in the material receiving and conveying process of the material receiving conveying belt in an air blowing mode, the efficiency is higher, and the equipment cost is lower.

Description

Technical Field

[0001] The utility model relates to the technical field of medical catheter production and processing, in particular to a medical catheter processing device with a sorting function. Background Art

[0002] In the production of medical catheters, after the catheter is extruded by an extruder, it is cooled in a water tank. After passing through an on-line catheter measuring device (detecting the inner and outer diameters and wall thickness of the catheter), it is cut to the corresponding size by a traction cutting machine, and then the qualified products are sorted and packaged manually. With the increase in the production speed of the catheter production line, manual sorting is difficult to keep up with the production demand.

[0003] Patent No. CN201920644665.4 discloses a plastic hose cutting machine, including: a wire feeding mechanism, a traction mechanism, a cutting mechanism, and a sorting mechanism arranged in sequence along the conveying direction of the plastic hose; the plastic hose is conveyed by the wire feeding mechanism to the cutting mechanism by the traction mechanism to be cut into plastic pipe segments; the sorting mechanism transports the plastic pipe segments to the corresponding placement areas according to whether they meet the design requirements: when the plastic hose segment meets the design requirements, it is a qualified product, and the sorting mechanism transports the qualified product to the qualified area; when the plastic hose segment does not meet the design requirements, it is an unqualified product, and the sorting mechanism transports the unqualified product to the unqualified area. The utility model realizes the separate placement of qualified products and unqualified products, ensuring that the plastic pipe segments meet the design requirements; ensuring the qualified rate of plastic hoses, while ensuring the product quality, reputation and market prospect of the manufacturer, reducing the complaint rate of plastic pipe segments, and providing a guarantee for improving the market share of the manufacturer. In the working process of this disclosed patent, the pipe material is first cut, and the cut pipe material is sent to the sorting mechanism for detection and sorting, and then the detected pipe material is transported to the qualified area and the unqualified area by a manipulator. The pipe material needs to be transported between multiple workstations, and the efficiency is low. Therefore, the utility model proposes a medical catheter processing device with a sorting function. Summary of the Utility Model

[0004] The main purpose of the utility model is to provide a medical multi-lumen hose end processing device, which can realize the detection, cutting and sorting of medical catheters, greatly improving the working efficiency.

[0005] The utility model realizes the above object through the following technical solutions: a medical catheter processing device with a sorting function, including a unwinding mechanism and a traction mechanism for guiding the catheter arranged on one side of the unwinding mechanism. A wall thickness monitor for detecting the wall thickness of the hose is arranged between the unwinding mechanism and the traction mechanism. A cutting mechanism is arranged on the other side of the traction mechanism, and a receiving conveyor belt is arranged on the other side of the cutting mechanism. A sorting mechanism is arranged on the receiving conveyor belt.

[0006] Preferably, the cutting mechanism includes a box body. Cylindrical bodies are coaxially arranged on the left and right sides of the box body. Guide holes for the catheter to pass through are provided on both cylindrical bodies. One end of the two cylindrical bodies facing each other penetrates into the box body and there is a gap between them. A rotating shaft parallel to the cylindrical bodies is arranged in the box body. The rotating shaft is driven by a servo motor. A cutting knife is arranged on the rotating shaft. The cutting knife is located between the two cylindrical bodies.

[0007] Preferably, the right opening of the guide hole of the cylindrical body on the left side is a cone with the large end facing right.

[0008] Preferably, the sorting mechanism includes a cloth air pipe arranged along the length direction on one side of the receiving conveyor belt. The cloth air pipe is connected to an air compressor through a pipeline. A plurality of air nozzles are evenly distributed on the cloth air pipe. Valves are arranged on the air nozzles. A receiving box is arranged on the other side of the receiving conveyor belt.

[0009] Preferably, the traction mechanism includes two traction conveyor belts arranged vertically. Two idler rollers are arranged on the right side of the two traction conveyor belts. Two deviation rectifying rollers are vertically arranged between the two idler rollers.

[0010] The beneficial effects of the present utility model are as follows: The device can automatically realize the detection, cutting and sorting of medical catheters, greatly improving the work efficiency;

[0011] The wall thickness monitor is arranged on the feeding side of the traction mechanism, and the cutting mechanism is arranged on the discharging side of the traction mechanism, which can realize detection first and then cutting. Compared with the traditional method of first cutting the catheter and then sending the catheter segment to the detection mechanism for detection, the work efficiency is greatly improved;

[0012] The sorting mechanism can sort out qualified products during the process of receiving and conveying on the receiving conveyor belt by blowing air. Description of the Drawings

[0013] Figure 1 It is a partial structural schematic diagram of a medical catheter processing device with a sorting function.

[0014] Figure 2 It is a structural schematic diagram of the cutting mechanism.

[0015] Figure 3 It is a structural schematic diagram of the traction mechanism.

[0016] The reference numerals of the above drawings: 1, wall thickness monitor; 2, receiving conveyor belt; 3, traction mechanism; 4, cutting mechanism; 5, cylindrical body; 6, guide hole; 7, rotating shaft; 8, cutting knife; 9, cone; 10, cloth air pipe; 11, air nozzle; 12, receiving box; 13, traction conveyor belt; 14, idler roller; 15, deviation rectifying roller; 16, waste box. Detailed Description of the Invention

[0017] The present utility model will be further described in detail below in conjunction with specific embodiments.

[0018] Embodiment:

[0019] As Figure 1 and Figure 2 shown, a medical catheter processing device with a sorting function according to the present utility model includes an unwinding mechanism and a traction mechanism 3 for guiding the catheter disposed on one side of the unwinding mechanism. A wall thickness monitor 1 for detecting the wall thickness of the hose is disposed between the unwinding mechanism and the traction mechanism 3. The appearance of the wall thickness monitor 1 is U-shaped, and it can monitor the inner and outer diameters and the wall thickness of the catheter passing through it. On the other side of the traction mechanism 3, there is a cutting mechanism 4. On the other side of the cutting mechanism 4, there is a receiving conveyor belt 2. A sorting mechanism is disposed on the receiving conveyor belt 2. The unwinding mechanism unwinds the catheter wound thereon. The catheter passes through the wall thickness monitor 1, the traction mechanism 3, and the cutting mechanism 4 in sequence and then falls on the receiving conveyor belt 2. The traction mechanism 3 traction the hose. The wall thickness monitor 1 is used to monitor the inner and outer diameters and the wall thickness of the hose in real time and display the monitored values on the display screen of a preset control terminal. When the length of the traction catheter reaches a preset length, the cutting mechanism 4 cuts off the catheter. The cut catheter is conveyed along the receiving conveyor belt 2. If there is a section of the cut catheter with a wall thickness that does not meet the requirements, the control terminal controls the sorting mechanism to kick out the unqualified catheter.

[0020] The cutting mechanism 4 includes a box body. Cylinders 5 are coaxially disposed on the left and right sides of the box body. Guide holes 6 for the catheter to pass through are provided on both of the cylinders 5. The opposite ends of the two cylinders 5 penetrate into the box body and there is a gap between them. A rotating shaft 7 parallel to the cylinders 5 is disposed in the box body. The rotating shaft 7 is driven by a servo motor. A cutting knife 8 is disposed on the rotating shaft 7. The cutting knife 8 is located between the two cylinders 5. When cutting is required, the servo motor drives the cutting knife 8 to rotate at a high speed by a certain angle, so that the cutting knife 8 quickly passes through the gap to cut off the catheter. During this process, there is no need to stop the traction of the catheter.

[0021] The right opening of the guide hole 6 of the cylinder 5 located on the left is provided with a cone 9 with the large end facing right, so as to play a guiding role and enable the end of the catheter to smoothly enter the cylinder 5 located on the left.

[0022] The sorting mechanism includes an air distribution pipe 10 arranged along the length direction on one side of the material receiving conveyor belt 2. The air distribution pipe 10 is connected to an air compressor through a pipeline. A plurality of air nozzles 11 are evenly distributed on the air distribution pipe 10. On the other side of the material receiving conveyor belt 2, there is a material receiving box 12. When the inner diameter, outer diameter and wall thickness of the cut catheter segment meet the requirements, the air compressor blows compressed air perpendicular to the conveying direction through the air distribution pipe 10 and the air nozzles 11, so as to blow the qualified catheter segments into the material receiving box 12. The unqualified catheters are conveyed into the waste box arranged at the end of the material receiving conveyor belt 2. A valve is provided on the air nozzle 11, and the corresponding air nozzle 11 can be controlled to open according to the length of the cut catheter.

[0023] The traction mechanism 3 includes two traction conveyor belts 13 arranged vertically. On the right side of the two traction conveyor belts 13, there are two idler rollers 14. Between the two idler rollers 14, two deviation rectifying rollers 15 are vertically arranged.

[0024] The working process of the embodiment of the present application is as follows: The unwinding mechanism unwinds the catheter wound thereon. The catheter passes through the wall thickness monitor 1, the traction mechanism 3 and the cutting mechanism 4 in sequence and then falls on the material receiving conveyor belt 2. The traction mechanism 3 tractions the hose. The wall thickness monitor 1 is used to monitor the inner diameter, outer diameter and wall thickness of the hose in real time and display the monitored values on the display screen of a preset control terminal. When the traction catheter reaches the preset length, the cutting mechanism 4 cuts off the catheter. The cut catheter is conveyed along the material receiving conveyor belt 2. When the inner diameter, outer diameter and wall thickness of the cut catheter segment meet the requirements, the air compressor blows compressed air perpendicular to the conveying direction through the air distribution pipe 10 and the air nozzles 11, so as to blow the qualified catheter segments into the material receiving box 12. The unqualified catheters are conveyed into the waste box 16 arranged at the end of the material receiving conveyor belt 2.

[0025] The above are only some embodiments of the present utility model. For those of ordinary skill in the art, without departing from the creative concept of the present utility model, several deformations and improvements can still be made, and these all belong to the protection scope of the present utility model.

Claims

1. A medical catheter processing device with a sorting function, characterized in that: It includes an unwinding mechanism and a traction mechanism for pulling a catheter arranged on one side of the unwinding mechanism, a wall thickness monitor for detecting the wall thickness of the hose is arranged between the unwinding mechanism and the traction mechanism, a cutting mechanism is arranged on the other side of the traction mechanism, a material receiving conveyor belt is arranged on the other side of the cutting mechanism, and a sorting mechanism is arranged on the material receiving conveyor belt.

2. The medical catheter processing device with sorting function according to claim 1, characterized in that: The cutting mechanism includes a box body, and columns are coaxially arranged on the left and right sides of the box body. The two columns are each provided with a guide hole for the guide tube to pass through. The opposite ends of the two columns penetrate into the box body with a gap between the two. A rotating shaft parallel to the columns is arranged in the box body, and the rotating shaft is driven by a servo motor. A cutter is arranged on the rotating shaft, and the cutter is located between the two columns.

3. The medical catheter processing device with sorting function according to claim 2, characterized in that: The right opening of the guide hole of the column located on the left side is set to be a cone with the large end facing right.

4. The medical catheter processing device with sorting function according to claim 1, characterized in that: The sorting mechanism includes an air distribution pipe arranged along the length direction of one side of the material receiving conveyor belt, the air distribution pipe is connected to an air compressor through a pipeline, a plurality of air nozzles are evenly distributed on the air distribution pipe, and valves are provided on the air nozzles. A material receiving box is provided on the other side of the material receiving conveyor belt.

5. The medical catheter processing device with sorting function according to claim 1, characterized in that: The traction mechanism comprises two traction conveyor belts arranged up and down, two rollers are arranged on the right sides of the two traction conveyor belts, and two deviation correction rollers are vertically arranged between the two rollers.

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