Pharmaceutical tube cutter debris collection apparatus

Abstract

This utility model relates to a debris collection device for a medicine tube cutting machine, comprising a base, on which a blade cutting mechanism, a material guiding mechanism, a servo drive mechanism, a debris collection assembly, and a precision control mechanism are respectively mounted. The blade cutting mechanism includes a blade cutting cylinder, the drive end of which is connected to a 90° V-angle blade, and a limit buffer for controlling its stroke is installed on the blade cutting cylinder. The debris collection assembly includes a debris collection sheet metal positioned directly below the 90° V-angle blade. Thus, the receiving port of the debris collection sheet metal covers the movement trajectory of the 90° V-angle blade, ensuring complete debris collection. A vacuum generator, in conjunction with a throttle valve and a pressure regulating valve, can adjust the suction force as needed, ensuring efficient debris intake while preventing excessive suction from causing the medicine tube to deviate. Simultaneously, the flexible plastic hose and the vacuum generator are connected by a quick-connect fitting, facilitating subsequent pipe disassembly and debris removal.

Description

Technical Field

[0001] This utility model relates to a cutting device, and more particularly to a chip collection device for a medicine tube cutting machine. Background Technology

[0002] In the pharmaceutical manufacturing industry, the cutting and processing of pharmaceutical tubes must simultaneously meet stringent requirements for cutting accuracy, operational stability, and clean debris collection. In particular, for pharmaceutical tubes that are prone to bending when not under stress, high-quality processing must be achieved through the coordinated operation of straightening, precise feeding, cutting, and debris cleaning.

[0003] Chinese patent CN222806295U discloses a pipe clamping and conveying mechanism and a laser pipe cutting machine, which uses a servo motor to drive a lead screw to drive rollers to achieve pipe clamping and conveying. Servo drive improves feeding accuracy and is unaffected by air pressure fluctuations. However, this solution does not include a debris collection design for the cutting area and is not adapted to the straightening requirements of bent medicine tubes. Meanwhile, Chinese patent CN219945467U discloses a debris collection mechanism for a cutting machine, which uses a protective assembly consisting of a liftable shield and a rotating cover to reduce debris scattering. While this provides basic debris protection, the mechanical shielding and collection method has limited efficiency and does not incorporate a servo feeding and precision control mechanism, failing to meet the processing requirements of medicine tube cutting. Furthermore, Chinese patent CN222945633U discloses a medicine cutting machine with a debris collection function. This medicine processing equipment includes a cutting mechanism and a debris collection mechanism, collecting medicinal residue through a trough and a pusher plate. However, its processing targets are solid medicinal materials, and it does not involve the straightening and precise cutting of tubular materials. Furthermore, the collection of debris relies on gravity, making it unsuitable for the efficient cleaning of fine debris generated during the cutting of medicine tubes.

[0004] In view of the above-mentioned shortcomings, the designer has actively researched and innovated in order to create a chip collection device for pharmaceutical tube cutting machines, making it more valuable for industrial use. Utility Model Content

[0005] To solve the above-mentioned technical problems, the purpose of this utility model is to provide a chip collection device for the blade of a medicine tube cutting machine.

[0006] This utility model discloses a chip collection device for a medicine tube cutting machine, comprising a base body, wherein: a blade cutting mechanism, a material guiding mechanism, a servo drive mechanism, a chip collection assembly, and a precision control mechanism are respectively mounted on the base body; the blade cutting mechanism includes a blade cutting cylinder, the drive end of which is connected to a 90°V angle blade, and a limit buffer for controlling its stroke is installed on the blade cutting cylinder; the material guiding mechanism includes a first guide block and a second guide block sequentially distributed along the medicine tube conveying direction, with a feeding gap between the first guide block and the second guide block, the 90°V angle blade being located above the feeding gap, and the first guide block and the second guide block being connected in sequence. The spacing between the two guide blocks is adapted to the thickness of the 90°V angle blade; the servo drive mechanism includes a servo motor, and the drive shaft of the servo motor is equipped with several guide rollers through a synchronizer. The guide rollers can press and straighten the medicine tube before feeding it into the first guide block; the debris collection assembly includes a debris collection sheet metal disposed directly below the 90°V angle blade. The debris collection sheet metal is connected to a vacuum generator through a flexible plastic hose. The vacuum generator is equipped with a throttle valve and a pressure regulating valve for adjusting the suction force; the precision control mechanism includes a manual slide table, on which a fiber optic reflection sensor is installed. The 90°V angle blade is located within the sensing area of ​​the fiber optic reflection sensor.

[0007] Furthermore, in the aforementioned chip collection device for the cutting edge of the pharmaceutical tube cutting machine, the surface roughness of the first guide block and the second guide block is Ra1.6.

[0008] Furthermore, in the aforementioned chip collection device for the cutting edge of the drug tube cutter, a micrometer knob is installed on the adjustment rail of the manual slide table for fine-tuning the position of the fiber optic reflection sensor, with an adjustment accuracy of 0.001mm.

[0009] Furthermore, in the aforementioned chip collection device for the cutting edge of the pharmaceutical tube cutting machine, a receiving port is provided on the chip collection sheet metal, and the receiving port covers the movement trajectory of the 90° V-angle blade; the lower part of the receiving port is connected to a plastic-reinforced flexible hose.

[0010] Furthermore, in the aforementioned chip collection device for the cutting edge of a pharmaceutical tube cutting machine, the base body includes a raised support, and the material guiding mechanism, chip collection assembly, and precision control mechanism are mounted on the raised support; a side guide plate is mounted on the rear side of the raised support, and the servo drive mechanism is connected to the side guide plate; a lifting support is also mounted on the rear side of the raised support, and the blade cutting mechanism is connected to the lifting support; a manual slide is connected to the right side of the raised support via an adjusting guide rail.

[0011] Furthermore, in the aforementioned medicine tube cutting machine blade debris collection device, a vibration damping pad is filled between the blade cutting mechanism and the lifting support.

[0012] Furthermore, in the aforementioned chip collection device for the cutting edge of a pharmaceutical tube cutter, both the first guide block and the second guide block are connected to the base body via positioning pins, and the positioning pins are equipped with locking screws.

[0013] Furthermore, in the aforementioned medicine tube cutting machine blade debris collection device, the plastic-reinforced flexible hose is connected to the vacuum generator via a quick-connect coupling.

[0014] Furthermore, in the aforementioned chip collection device for the cutting edge of a pharmaceutical tube cutting machine, the guide roller includes a driving roller and a driven roller, and a transmission belt is fitted between the driving roller and the driven roller.

[0015] Furthermore, in the aforementioned medicine tube cutting machine blade debris collection device, the 90°V angle blade includes a fixed plate connected to the drive end of the blade cutting cylinder. An adjusting plate is installed on the fixed plate, and the adjusting plate has several elongated adjustment holes. A locking screw is connected to each elongated adjustment hole, and the locking screw is connected to the fixed plate after locking the adjusting plate. A blade holder is installed on the outside of the adjusting plate, and the blade body is installed on the blade holder.

[0016] By means of the above solution, this utility model has at least the following advantages: 1. The integrated layout of various mechanisms is achieved using a base base, reducing space occupation. The entire process from straightening and conveying the medicine tube to precise cutting and simultaneous collection of debris requires no additional external equipment. During use, it can meet the continuous operation efficiency requirements for medicine tube cutting.

[0017] 2. Highly controllable cutting precision, adaptable to the high-precision requirements of pharmaceutical tube processing. No unnecessary shaking occurs during pharmaceutical tube cutting. Simultaneously, the position of the fiber optic reflector sensor can be precisely calibrated. The 90° V-angle blade can be finely adjusted in cutting position via the elongated adjustment hole on the adjustment plate, further ensuring the flatness and positional accuracy of the cut surface, comprehensively meeting the stringent precision requirements of pharmaceutical tube processing.

[0018] 3. The waste collection sheet metal inlet covers the 90° V-angle blade movement trajectory, ensuring thorough waste collection. The vacuum generator, equipped with a throttle valve and pressure regulating valve, allows for adjustable suction power, ensuring efficient waste intake while preventing excessive suction from causing drug tubing misalignment. Furthermore, the flexible plastic hose connects to the vacuum generator via quick-connect fittings, facilitating subsequent pipework disassembly and waste removal, thus balancing the cleanliness required for pharmaceutical production with ease of equipment maintenance.

[0019] 4. The guide rollers can be used to press and straighten medicine tubes that are bent and have tensile allowance when not under stress. Meanwhile, the surface roughness Ra1.6 of the guide block prevents scratches on the medicine tubes during transport. Furthermore, the limit buffer allows adjustment of the blade cutting speed to adapt to the processing needs of different specifications of medicine tubes. Moreover, the vibration damping pads between the blade cutting mechanism and the lifting support reduce the impact of cutting vibration on accuracy.

[0020] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings. Attached Figure Description

[0021] Figure 1 This is a front structural diagram of a chip collection device for a pharmaceutical tube cutting machine.

[0022] Figure 2 This is a side view of the debris collection device for a medicine tube cutting machine.

[0023] The meanings of the labels in the figures are as follows.

[0024] Detailed Implementation The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit its scope.

[0025] like Figures 1 to 2 This pharmaceutical tube cutting machine debris collection device, including a base, is unique in that it houses a blade cutting mechanism, a material guiding mechanism, a servo drive mechanism, a debris collection component, and a precision control mechanism. During operation, these mechanisms work together to precisely cut the pharmaceutical tubes and collect debris. The base serves as the foundation for the device, fixing and supporting each mechanism to ensure overall structural stability. Specifically, the base includes a raised support bracket. The material guiding mechanism, debris collection component, and precision control mechanism are all mounted on the raised support bracket, facilitating connection to external feeding equipment and providing a suitable height for subsequent debris collection. A side guide plate is installed at the rear of the raised support bracket, connecting the servo drive mechanism to it and providing a stable mounting reference. Furthermore, a lifting bracket is also installed at the rear of the raised support bracket, with the blade cutting mechanism bolted to it. This allows the blade cutting mechanism to be positioned at the appropriate height, ensuring the 90° V-angle blade accurately cuts the pharmaceutical tube. The right side of the raised support is connected to a manual slide via an adjustable guide rail, providing a base for the installation and adjustment of the precision control mechanism.

[0026] According to a preferred embodiment of this utility model, the blade cutting mechanism is used to cut medicine tubes. Specifically, it includes a blade cutting cylinder, the drive end of which is connected to a 90° V-angle blade. The blade cutting cylinder drives the 90° V-angle blade to move up and down to complete the cutting. Simultaneously, a limit buffer is installed on the blade cutting cylinder to control its stroke. By adjusting the position of the limit buffer, the extension and retraction of the blade cutting cylinder can be finely adjusted, thereby controlling the cutting speed and depth of the 90° V-angle blade to adapt to the cutting requirements of medicine tubes of different specifications. To facilitate a more precise V-shaped opening cut by fitting the actual opening of the medicine tube, the 90° V-angle blade includes a fixed plate connected to the drive end of the blade cutting cylinder. An adjusting plate is installed on the fixed plate, and the adjusting plate has several elongated oval adjusting holes. Locking screws are connected to the elongated oval adjusting holes, and the locking screws, after securing the adjusting plate, connect it to the fixed plate. In this way, by loosening the locking screw, the position of the adjusting plate can be adjusted along the length of the elongated adjusting hole, thereby fine-tuning the cutting position of the blade body. After adjustment, tightening the locking screw will fix it. A blade holder is installed on the outside of the adjusting plate, and the blade body is installed on the blade holder. The blade body adopts a 90° V-angle design to adapt to the circular cross-section of the medicine tube, ensuring a flat cutting surface.

[0027] Further, the guiding mechanism guides the medicine tube stably through the cutting area. It includes a first guide block and a second guide block arranged sequentially along the medicine tube conveying direction. A feeding gap is provided between the first and second guide blocks. A 90° V-angle blade is positioned above the feeding gap to ensure accurate cutting of the medicine tube between the two guide blocks. Simultaneously, the distance between the first and second guide blocks is matched to the thickness of the 90° V-angle blade, preventing excessive spacing from causing the medicine tube to wobble during cutting, or insufficient spacing from causing abnormal blade friction. The surface roughness of the first and second guide blocks is Ra1.6, which reduces frictional resistance when the medicine tube passes through and prevents scratching the tube surface. During assembly, both the first and second guide blocks are connected to the base body via locating pins. These locating pins are equipped with locking screws, ensuring the accuracy of the guide block installation position, while the locking screws prevent the guide blocks from loosening during operation.

[0028] In practical implementation, the servo drive mechanism, using a servo motor, is used to drive the conveying and straightening of medicine tubes. The drive shaft of this servo motor is equipped with several guide rollers via a synchronizer, which ensures that all guide rollers rotate synchronously. For smooth drive guidance, the guide rollers include a driving roller and a driven roller, connected by a transmission belt. The driving roller is driven by the servo motor, which in turn drives the driven roller to rotate synchronously via the belt. During use, the guide rollers compress and straighten the medicine tubes before feeding them into the first guide block. This is particularly suitable for medicine tubes that are bent and have tensile allowance when unloaded. The cooperation between the driving and driven rollers compresses the tubes, achieving straightening during conveying.

[0029] To facilitate the collection of various types of debris, the debris collection assembly includes a debris collection sheet positioned directly below the 90° V-angle blade. A receiving port is provided on this sheet, covering the movement trajectory of the 90° V-angle blade. This ensures that all debris generated during cutting falls into the receiving port. Simultaneously, to guide the debris collection, a flexible plastic hose connects below the receiving port, and the debris collection sheet is connected to a vacuum generator via this hose. The flexible plastic hose and vacuum generator are connected via a quick-connect coupling for easy hose disassembly and maintenance. The vacuum generator is equipped with a throttle valve and a pressure regulating valve to adjust the suction power. By adjusting these valves, the negative pressure generated by the vacuum generator can be controlled, ensuring sufficient suction to collect debris without causing the medicine tube to be sucked away.

[0030] Looking further, the precision control mechanism controls the cutting length of the medicine tube. It includes a manual slide table with a fiber optic reflection sensor mounted on it. The 90° V-angle blade is located within the sensing area of ​​the fiber optic reflection sensor. Simultaneously, for precise adjustment, a micrometer knob is installed on the adjustment rail of the manual slide table for fine-tuning the position of the fiber optic reflection sensor, with an adjustment accuracy of 0.001mm. The fiber optic reflection sensor works in conjunction with the pulses from the servo motor to control the cutting length of the medicine tube. During this process, the fiber optic reflection sensor continuously monitors the front end position of the medicine tube and transmits the signal to the control system connected to the equipment. The control system calculates the number of pulses from the servo motor based on the preset cutting length. When the medicine tube reaches the preset position, the servo motor stops feeding, and the blade cutting mechanism executes the cutting action.

[0031] Furthermore, to reduce the impact of cutting vibration on the equipment's accuracy, vibration damping pads are filled between the blade cutting mechanism and the lifting support. These pads are made of rubber and have good elasticity and vibration damping performance.

[0032] The working principle of this utility model is as follows: The medicine tube enters from the left side of the equipment, and a servo motor drives the guide roller to rotate. Then, the driving and driven rollers work together to press the bent medicine tube, straightening it during transport and feeding it into the first guide block. Next, the medicine tube advances along the channel formed by the first guide block, the feeding gap, and the second guide block. During this process, a fiber optic reflective sensor detects the position of the medicine tube, and the sensor position is pre-adjusted using a manual slide and micrometer knob to ensure detection accuracy.

[0033] When the medicine tube reaches the preset cutting position, the servo motor stops feeding, and the blade cutting cylinder drives the 90° V-angle blade downward to cut the medicine tube through the feeding gap. At the same time, the vacuum generator starts, and the debris generated by cutting falls into the debris collection sheet metal through the receiving port, and is then sucked into the collection device of the vacuum generator through the plastic-reinforced hose. After the cutting is completed, the blade cutting cylinder drives the 90° V-angle blade to reset, the servo motor starts again, and pushes the cut medicine tube out from the second guide block, completing one cutting cycle. Subsequent medicine tubes are operated continuously according to the above process.

[0034] Furthermore, the directions or positional relationships described in this utility model are based on the directions or positional relationships shown in the accompanying drawings. They are only for the purpose of facilitating the description of this utility model and simplifying the description, and are not intended to indicate or imply that the device or structure referred to must have a specific orientation, or to operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0035] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A pharmaceutical tube cutter knife debris collection apparatus comprising a base body, characterised in that: The base body is respectively equipped with a blade cutting mechanism, a material guiding mechanism, a servo drive mechanism, a debris collection component, and a precision control mechanism; The blade cutting mechanism includes a blade cutting cylinder, the drive end of which is connected to a 90° V-angle blade, and a limit buffer for controlling its stroke is installed on the blade cutting cylinder. The material guiding mechanism includes a first material guiding block and a second material guiding block arranged sequentially along the conveying direction of the medicine tube. A feeding gap is provided between the first material guiding block and the second material guiding block. The 90°V angle blade is located above the feeding gap. The distance between the first material guiding block and the second material guiding block is adapted to the thickness of the 90°V angle blade. The servo drive mechanism includes a servo motor, and the drive shaft of the servo motor is equipped with several guide rollers through a synchronizer. The guide rollers can press and straighten the medicine tube before feeding it into the first guide block. The debris collection assembly includes a debris collection sheet metal disposed directly below the 90°V angle blade. The debris collection sheet metal is connected to a vacuum generator via a plastic-reinforced flexible hose. The vacuum generator is equipped with a throttle valve and a pressure regulating valve for adjusting the suction force. The precision control mechanism includes a manual slide table, on which an optical fiber reflection sensor is mounted, and the 90° V-angle blade is located within the sensing area of ​​the optical fiber reflection sensor.

2. The pharmaceutical tube cutting machine knife edge debris collection apparatus of claim 1, wherein: The surface roughness of the first guide block and the second guide block is Ra1.

6.

3. The pharmaceutical tube cutting machine knife debris collection apparatus of claim 1, wherein: The manual slide is equipped with a micrometer knob on its adjustment rail for fine-tuning the position of the fiber optic reflection sensor, with an adjustment accuracy of 0.001 mm.

4. The pharmaceutical tube cutting machine knife debris collection apparatus of claim 1, wherein: The scrap collection sheet metal has a receiving port that covers the movement trajectory of the 90° V-angle blade; the bottom of the receiving port is connected to a plastic duct.

5. The chip collection device for the cutting edge of a medicine tube cutting machine according to claim 1, characterized in that: The base body includes a raised support, and the material guiding mechanism, debris collection assembly, and precision control mechanism are mounted on the raised support. A side guide plate is mounted on the rear side of the raised support, and the servo drive mechanism is connected to the side guide plate. A lifting support is also mounted on the rear side of the raised support, and the blade cutting mechanism is connected to the lifting support. A manual slide is connected to the right side of the raised support via an adjusting guide rail.

6. The chip collection device for the cutting edge of a medicine tube cutting machine according to claim 5, characterized in that: The blade cutting mechanism and the lifting bracket are filled with vibration damping pads.

7. The chip collection device for the cutting edge of a medicine tube cutting machine according to claim 5, characterized in that: Both the first guide block and the second guide block are connected to the base body via positioning pins, and the positioning pins are equipped with locking screws.

8. The chip collection device for the cutting edge of a medicine tube cutting machine according to claim 1, characterized in that: The plastic-reinforced flexible hose is connected to the vacuum generator via a quick-connect coupling.

9. The chip collection device for the cutting edge of a medicine tube cutting machine according to claim 1, characterized in that: The guide roller includes a driving roller and a driven roller, and a transmission belt is sleeved between the driving roller and the driven roller.

10. The chip collection device for the cutting edge of a medicine tube cutting machine according to claim 1, characterized in that: The 90°V angle blade includes a fixed plate connected to the drive end of the blade cutting cylinder. An adjusting plate is installed on the fixed plate. The adjusting plate has several elongated adjustment holes. A locking screw is connected to each elongated adjustment hole. The locking screw is connected to the fixed plate after it is fastened to the adjusting plate. A blade holder is installed on the outside of the adjusting plate. The blade body is installed on the blade holder.

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