Infusion set tensioning mechanism and method of use thereof

Abstract

The present invention relates to the technical field of packaging devices, and in particular to an infusion set tensioning mechanism and a method for using the same. The infusion set tensioning mechanism comprises a slide rail, a tensioning seat plate, a tensioning cylinder, a tensioning guide rail, a tensioning slide plate, a tensioning clamp and a tensioning rebound buffer assembly. The tensioning seat plate is arranged on the slide rail and moves on the slide rail under the control of a motor. The upper end surface of the tensioning seat plate is provided with a tensioning guide rail, and a tensioning slide plate is installed on the tensioning guide rail. A tensioning cylinder is installed on the tensioning seat plate behind the tensioning slide plate through a tensioning cylinder seat plate. When the piston rod of the tensioning cylinder is extended, it abuts against the rear end surface of the tensioning slide plate to push it to move along the tensioning guide rail. A tensioning clamp is installed at the front end of the tensioning slide plate, and a tensioning rebound buffer assembly is installed between the tensioning cylinder seat plate and the tensioning slide plate. The present invention can ensure that the infusion set is kept tensioned during the winding process, thereby ensuring that the infusion set is wound neatly, the coils are not staggered with each other, the tightness of each coil is consistent, and the wound infusion set is tight as a whole.

Description

Technical Field

[0001] The present invention relates to the technical field of packaging devices, and in particular to an infusion set tensioning mechanism and a use method thereof. Background Art

[0002] Disposable infusion sets are commonly used medical consumables, mainly composed of a drip bucket, a long catheter, an adjustment shell, an adjustment wheel, a latex tube, and a sheath needle connection. Due to medical and health safety requirements, medical infusion sets are all disposable. The market demand for infusion sets is very high. To ensure the sanitation and safety of medical infusion sets, infusion sets need to be independently packaged and sterilized after assembly and production. Therefore, the requirements for the degree of automation of infusion set packaging are increasing. Medical infusion sets are flexible, linear objects, and they need to be picked up, wound, and transported after winding before packaging.

[0003] When the existing infusion set is wound on the winding mechanism, the infusion set cannot be tensioned all the time, resulting in the infusion set being unevenly wound, the coils being intertwined, the tightness of the coils being different, and the infusion set being not neat and tight as a whole. Summary of the invention

[0004] The object of the present invention is to provide an infusion set tensioning mechanism and a method of using the same, so as to overcome the many deficiencies in the aforementioned prior art, ensure that the infusion set remains tensioned during the winding process, and further ensure that the infusion set is wound neatly, the coils are not intertwined with each other, the tightness of each coil is consistent, and the infusion set is overall tight after winding.

[0005] The technical solution adopted by the present invention to solve the technical problem is:

[0006] An infusion set tensioning mechanism comprises a slide rail, a tensioning seat plate, a tensioning cylinder, a tensioning guide rail, a tensioning slide plate, a tensioning clamp and a tensioning rebound buffer assembly, wherein the slide rail is arranged in the middle of a frame of a packaging device along an X-axis direction, the tensioning seat plate is arranged on the slide rail and moves on the slide rail through a motor control, the upper end surface of the tensioning seat plate is provided with a tensioning guide rail along the X-axis direction, a tensioning slide plate is installed on the tensioning guide rail, a tensioning cylinder is installed on the tensioning seat plate behind the tensioning slide plate through a tensioning cylinder seat plate, and a piston rod of the tensioning cylinder extends When it comes out, it contacts the rear end surface of the tensioning slide and pushes it to move along the tensioning guide rail. A tensioning claw is installed at the front end of the tensioning slide, and a tensioning rebound buffer assembly is installed between the tensioning cylinder seat plate and the tensioning slide. The head of the infusion set to be wound is fixed by the winding mechanism, and the tensioning cylinder pushes the tensioning claw on the tensioning slide to move to the tail of the infusion set to be wound, and the tensioning claw clamps the tail of the infusion set. The tensioning cylinder retracts, and the tensioning claw moves back a certain distance under the action of the tensioning rebound buffer assembly, so that the infusion set is tensioned and straightened.

[0007] Furthermore, the tensioning rebound buffer assembly includes a tensioning guide shaft, a tensioning spring, a tensioning limit sleeve and a tensioning connecting plate, the tensioning guide shaft is located on one side of the tensioning slide plate and is parallel to the tensioning slide plate, the rear end of the tensioning guide shaft is fixed to the tensioning cylinder seat plate, a tensioning spring is sleeved on the outer wall of the front end of the tensioning guide shaft, the front end of the tensioning spring is fixed to the front end of the tensioning guide shaft, a tensioning limit sleeve is sleeved on the outer wall of the tensioning guide shaft behind the tensioning spring, the tensioning limit sleeve is clearance-matched with the tensioning guide shaft, and the tensioning limit sleeve is connected to the tensioning slide plate through the tensioning connecting plate; the piston rod of the tensioning cylinder extends out to push the tensioning The tightening slide moves forward along the X-axis direction, and the tensioning slide drives the tensioning limit sleeve to move along the tensioning guide shaft through the tensioning connecting plate and squeeze the tensioning spring. After the tensioning claw clamps the tail of the infusion set, the piston rod of the tensioning cylinder is retracted. The tensioning spring is reset under the action of elastic force and drives the tensioning claw to tension and straighten the infusion set, and the infusion set winding operation can begin. During the winding process, the tensioning seat plate is driven by the motor, so that the infusion set tensioning mechanism can move forward synchronously according to the winding amount of the infusion set, ensuring that the tightness of each coil of the infusion set is consistent after winding, and the infusion set is neat and tight as a whole after winding.

[0008] Furthermore, the tensioning seat plate is also provided with a guide positioning installation groove and a guide positioning block. The guide positioning installation groove is installed on the tensioning seat plate surface below the tensioning guide shaft, and the guide positioning block is installed in the guide positioning installation groove. A tensioning connecting plate slide groove is opened at the upper end of the guide positioning block, and a position sensor is arranged in the tensioning connecting plate slide groove.

[0009] Furthermore, the tensioning connecting plate has an "L"-shaped structure, and the transverse plate body of the tensioning connecting plate connects the tensioning limit sleeve with the tensioning slide plate, and the longitudinal plate body of the tensioning connecting plate slides through the tensioning connecting plate slide groove of the guide positioning block during the movement of the tensioning connecting plate; the guide positioning installation groove and the guide positioning block can not only form a certain guiding effect on the tensioning connecting plate, but also determine the compression degree of the tensioning spring through the position sensor, and then determine whether the tensioning cylinder should continue to extend or retract.

[0010] Furthermore, the guide positioning installation groove and the guide positioning block are provided in two groups along the X-axis direction, which are used to determine the original position of the tensioning spring and the position of the tensioning spring in the compressed state respectively.

[0011] A method for using an infusion set tensioning mechanism comprises the following steps:

[0012] (1) The infusion set picking mechanism on the frame of the packaging equipment grabs the infusion set and moves it to the infusion set winding mechanism. Driven by the motor, the tensioning seat plate and the structure mounted on the tensioning seat plate move synchronously on the slide rail toward the infusion set winding mechanism.

[0013] (2) The infusion set picking mechanism delivers the head of the infusion set into the infusion set fixing assembly of the infusion set winding mechanism, and the tensioning cylinder of the infusion set tensioning mechanism extends to push the tensioning claw to the rear end of the infusion set, and the tensioning claw closes and clamps the tail of the infusion set. During this process, the tensioning spring is compressed, and the infusion set picking mechanism releases the infusion set and moves back to reset. The tensioning cylinder retracts, and the infusion set is tensioned and straightened by the rebound force of the tensioning spring;

[0014] (3) The position of the tensioning seat plate on the slide rail is controlled by a motor, and the tensioning clamp moves synchronously toward the infusion set winding mechanism according to the winding amount of the infusion set.

[0015] The beneficial effects of the present invention are as follows: compared with the prior art, an infusion set tensioning mechanism and a method of using the same have the following advantages: the tail of the infusion set is clamped by a tensioning jaw, the tensioning jaw is moved back a certain distance and the infusion set is tensioned and straightened by a tensioning rebound buffer assembly, the position of the tensioning seat plate on the slide rail is controlled by a motor, and according to the winding amount of the infusion set, the tensioning jaw is synchronously moved toward the infusion set winding mechanism to ensure that the infusion set remains tensioned during the winding process, thereby ensuring that the infusion set is neatly wound, the coils are not intertwined with each other, the tightness of each coil is consistent, and the infusion set is tight as a whole after winding. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0017] Figure 2 This is a schematic diagram of the structure of the present invention without a slide rail;

[0018] Figure 3 For the present invention Figure 2 A schematic diagram of the structure from another angle;

[0019] Figure 4 For the present invention Figure 3 Schematic diagram of the structure after the middle tension spring is compressed;

[0020] Among them, 1 is a slide rail, 2 is a tensioning seat plate, 3 is a tensioning cylinder, 4 is a tensioning guide rail, 5 is a tensioning slide plate, 6 is a tensioning clamp, 7 is a tensioning cylinder seat plate, 8 is a tensioning guide shaft, 9 is a tensioning spring, 10 is a tensioning limit sleeve, 11 is a tensioning connecting plate, 12 is a guide positioning installation groove, 13 is a guide positioning block, and 14 is a tensioning connecting plate slide groove. DETAILED DESCRIPTION

[0021] To make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0022] Example 1: An infusion set tensioning mechanism

[0023] like Figure 1-4In the embodiment shown, an infusion set tensioning mechanism comprises a slide rail 1, a tensioning seat plate 2, a tensioning cylinder 3, a tensioning guide rail 4, a tensioning slide plate 5, a tensioning clamp 6 and a tensioning rebound buffer assembly. The slide rail 1 is arranged in the middle of the frame of the packaging equipment along the X-axis direction. The tensioning seat plate 2 is arranged on the slide rail 1 and moves on the slide rail 1 through the control of a motor. The upper end surface of the tensioning seat plate 2 is provided with a tensioning guide rail 4 along the X-axis direction. The tensioning slide plate 5 is installed on the tensioning guide rail 4. The tensioning cylinder 3 is installed on the tensioning seat plate 2 behind the tensioning slide plate 5 through the tensioning cylinder seat plate 7. When the piston rod of the cylinder 3 is extended, it contacts the rear end surface of the tensioning slide 5 and pushes it to move along the tensioning guide rail 4. A tensioning claw 6 is installed at the front end of the tensioning slide 5, and a tensioning rebound buffer assembly is installed between the tensioning cylinder seat plate 2 and the tensioning slide 5. The head of the infusion set to be wound is fixed by the winding mechanism, and the tensioning cylinder 3 pushes the tensioning claw 6 on the tensioning slide to move to the tail of the infusion set to be wound, and the tensioning claw 6 clamps the tail of the infusion set, and the tensioning cylinder 3 retracts. Under the action of the tensioning rebound buffer assembly, the tensioning claw 6 moves back a certain distance, so that the infusion set is tensioned and straightened.

[0024] In this embodiment, the tensioning rebound buffer assembly includes a tensioning guide shaft 8, a tensioning spring 9, a tensioning limit sleeve 10 and a tensioning connecting plate 11. The tensioning guide shaft 8 is located on one side of the tensioning slide plate 5 and is parallel to the tensioning slide plate 5. The rear end of the tensioning guide shaft 8 is fixed to the tensioning cylinder seat plate 2. A tensioning spring 9 is sleeved on the outer wall of the front end of the tensioning guide shaft 8. The front end of the tensioning spring 9 is fixed to the front end of the tensioning guide shaft 8. A tensioning limit sleeve 10 is sleeved on the outer wall of the tensioning guide shaft 8 behind the tensioning spring 9. The tensioning limit sleeve 10 is clearance-matched with the tensioning guide shaft 8. The tensioning limit sleeve 10 is connected to the tensioning slide plate 5 through the tensioning connecting plate 11. The tensioning cylinder 3 The piston rod extends to push the tensioning slide plate 5 to move forward along the X-axis direction. The tensioning slide plate 5 drives the tensioning limit sleeve 10 to move along the tensioning guide shaft 8 through the tensioning connecting plate 11 and squeezes the tensioning spring 9. After the tensioning jaw 6 clamps the tail of the infusion pump, the piston rod of the tensioning cylinder 3 is retracted. The tensioning spring 9 is reset under the action of elastic force and drives the tensioning jaw 6 to tension and straighten the infusion pump, and the infusion pump winding operation can begin. During the winding process, the tensioning seat plate 2 is driven by the motor, so that the infusion pump tensioning mechanism can move forward synchronously according to the winding amount of the infusion pump, ensuring that the tightness of each coil of the infusion pump is consistent after winding, and the infusion pump is neat and tight as a whole after winding.

[0025] In this embodiment, the tensioning seat plate 2 is also provided with a guide positioning installation groove 12 and a guide positioning block 13. The guide positioning installation groove 12 is installed on the tensioning seat plate 2 below the tensioning guide shaft 8. The guide positioning block 13 is installed in the guide positioning installation groove 12. A tensioning connecting plate slide groove 14 is opened at the upper end of the guide positioning block 13, and a position sensor is arranged in the tensioning connecting plate slide groove 14.

[0026] In this embodiment, the tensioning connecting plate 11 is in an "L"-shaped structure. The transverse plate body of the tensioning connecting plate 11 connects the tensioning limit sleeve 10 with the tensioning slide plate 5. The longitudinal plate body of the tensioning connecting plate 11 slides through the tensioning connecting plate slide groove 14 of the guide positioning block 13 during the movement of the tensioning connecting plate 11; the guide positioning installation groove 12 and the guide positioning block 13 can not only form a certain guiding effect on the tensioning connecting plate 11, but also determine the compression degree of the tensioning spring 9 through the position sensor, and then determine whether the tensioning cylinder 3 should continue to extend or retract.

[0027] In this embodiment, two groups of the guide positioning installation grooves 12 and the guide positioning blocks 13 are arranged along the X-axis direction, which are used to determine the original position of the tensioning spring 9 and the position of the tensioning spring in the compressed state respectively.

[0028] Example 2: Method for using an infusion set tensioning mechanism

[0029] A method for using an infusion set tensioning mechanism comprises the following steps:

[0030] (1) The infusion set picking mechanism on the frame of the packaging equipment grabs the infusion set and moves it to the infusion set winding mechanism. Driven by the motor, the tensioning seat plate 2 and the structure installed on the tensioning seat plate 2 move synchronously on the slide rail 1 to the infusion set winding mechanism;

[0031] (2) The infusion set picking mechanism delivers the head of the infusion set into the infusion set fixing assembly of the infusion set winding mechanism, and the tensioning cylinder 3 of the infusion set tensioning mechanism extends out, pushing the tensioning jaw 6 to the rear end of the infusion set, and the tensioning jaw 6 closes and clamps the tail of the infusion set. During this process, the tensioning spring 9 is compressed, and the infusion set picking mechanism releases the infusion set and moves back to reset. The tensioning cylinder 3 retracts, and the infusion set is tensioned and straightened by the rebound force of the tensioning spring 9;

[0032] (3) The position of the tensioning seat plate 2 on the slide rail 1 is controlled by a motor, and the tensioning clamp 6 is synchronously moved toward the infusion set winding mechanism according to the winding amount of the infusion set.

[0033] The above-mentioned specific implementations are only specific cases of the present invention. The patent protection scope of the present invention includes but is not limited to the product form and style of the above-mentioned specific implementations. Any appropriate changes or modifications made to them by ordinary technicians in the technical field that conform to the claims of the present invention shall fall within the patent protection scope of the present invention.

Claims

1. An infusion set tensioning mechanism, characterized in that: It includes a slide rail, a tensioning seat plate, a tensioning cylinder, a tensioning guide rail, a tensioning slide plate, a tensioning clamping claw and a tensioning rebound buffer assembly. The slide rail is arranged at the middle part of the frame of the packaging equipment along the X-axis direction. The tensioning seat plate is arranged on the slide rail and moves on the slide rail through the control of a motor. The upper end surface of the tensioning seat plate is provided with a tensioning guide rail along the X-axis direction. The tensioning slide plate is installed on the tensioning guide rail. The tensioning cylinder is installed on the tensioning seat plate behind the tensioning slide plate through the tensioning cylinder seat plate. When the piston rod of the tensioning cylinder is extended, it contacts the rear end surface of the tensioning slide plate to push it to move along the tensioning guide rail. The front end of the tensioning slide plate is provided with a tensioning clamping claw. The tensioning rebound buffer assembly is installed between the tensioning cylinder seat plate and the tensioning slide plate. The tensioning rebound buffer assembly comprises a tensioning guide shaft, a tensioning spring, a tensioning limit sleeve and a tensioning connecting plate. The tensioning guide shaft is located on one side of the tensioning slide plate and is parallel to the tensioning slide plate. The rear end of the tensioning guide shaft is fixed to the tensioning cylinder seat plate, and a tensioning spring is sleeved on the outer wall of the front end of the tensioning guide shaft, and the front end of the tensioning spring is fixed to the front end of the tensioning guide shaft, and a tensioning limit sleeve is sleeved on the outer wall of the tensioning guide shaft behind the tensioning spring, and the tensioning limit sleeve is clearance-matched with the tensioning guide shaft, and the tensioning limit sleeve is connected to the tensioning slide plate through the tensioning connecting plate; the piston rod of the tensioning cylinder extends out to push the tensioning slide plate to move forward along the X-axis direction, and the tensioning slide plate drives the tensioning limit sleeve to move along the tensioning guide shaft through the tensioning connecting plate and squeezes the tensioning spring. After the tensioning clamp clamps the tail of the infusion set, the piston rod of the tensioning cylinder is retracted, and the tensioning spring is reset under the action of elastic force and drives the tensioning clamp to tension and straighten the infusion set; The tensioning seat plate is also provided with a guide positioning installation groove and a guide positioning block, the guide positioning installation groove is installed on the tensioning seat plate surface below the tensioning guide shaft, the guide positioning installation groove is installed with a guide positioning block, the upper end of the guide positioning block is provided with a tensioning connecting plate slide groove, and a position sensor is provided in the tensioning connecting plate slide groove; The tensioning connecting plate is in an "L"-shaped structure, the transverse plate of the tensioning connecting plate connects the tensioning limit sleeve with the tensioning slide plate, and the longitudinal plate of the tensioning connecting plate slides through the tensioning connecting plate slide groove of the guide positioning block during the movement of the tensioning connecting plate; The guide positioning installation grooves and the guide positioning blocks are arranged in two groups along the X-axis direction.

2. A method for using the infusion set tensioning mechanism according to claim 1, characterized in that: The steps include: (1) The infusion set picking mechanism on the frame of the packaging equipment grabs the infusion set and moves it to the infusion set winding mechanism. Driven by the motor, the tensioning seat plate and the structure mounted on the tensioning seat plate move synchronously on the slide rail toward the infusion set winding mechanism. (2) The infusion set picking mechanism delivers the head of the infusion set into the infusion set fixing assembly of the infusion set winding mechanism, and the tensioning cylinder of the infusion set tensioning mechanism extends to push the tensioning claw to the rear end of the infusion set, and the tensioning claw closes and clamps the tail of the infusion set. During this process, the tensioning spring is compressed, and the infusion set picking mechanism releases the infusion set and moves back to reset. The tensioning cylinder retracts, and the infusion set is tensioned and straightened by the rebound force of the tensioning spring; (3) The position of the tensioning seat plate on the slide rail is controlled by a motor, and the tensioning clamp moves synchronously toward the infusion set winding mechanism according to the winding amount of the infusion set.

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