Cutting and dispensing mechanism and syringe assembly system

The cutting and dispensing mechanism controlled by the drive shaft solves the problem of coordination error between the cutting tool and the conveying mechanism, enabling accurate cutting of syringe packaging and ensuring the integrity of the packaging.

CN116330684BActive Publication Date: 2025-12-19CHENGDU XINJIN SHIFENG MEDICAL APP ANDINSTR CO LTD
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202310175576.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-02-27
Publication Date
2025-12-19
Estimated Expiration
2043-02-27

AI Technical Summary

Technical Problem

In traditional slitting mechanisms, the cutting blade and the conveying mechanism of the packaged syringe are controlled independently, which can easily lead to coordination errors, resulting in inaccurate cutting and tearing of the syringe's outer packaging blister paper.

Method used

By designing a cutting and separating mechanism, the synchronous movement of the receiving mold and the cutting tool is controlled by the drive shaft, ensuring that the cutting tool cuts in the dividing area of ​​the syringe each time. The mesh-like cutting seams on the receiving mold and the gear rack are used to achieve coordinated movement between the cutting tool and the receiving mold.

Benefits of technology

It achieves synchronous coordination between the cutting blade and the receiving mold, ensuring that each cut is made within the segmented area of ​​the syringe packaging, thus avoiding damage to the syringe packaging and ensuring its integrity.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN116330684B_ABST
    Figure CN116330684B_ABST
Patent Text Reader

Abstract

The application provides a cutting and distributing mechanism and a syringe assembling system, wherein the cutting and distributing mechanism comprises a containing die, a base, a cutting tool and a driving shaft, a plurality of syringes with blister packaging to be cut are placed on the containing die, and a rack part is arranged on the upper end face of at least one side of the containing die; the containing die is slidably arranged on the base, a gear wheel meshing with the rack part is rotatably arranged on the base; the cutting tool is arranged above the containing die, the cutting tool is slidably supported on the base through an elastic member; the driving shaft is arranged above the cutting tool, a cam abutting against the upper end face of the cutting tool is arranged on the driving shaft, and the driving shaft is used for driving the cutting tool to move downward; the driving shaft is synchronously rotationally connected with the gear wheel through a belt wheel mechanism; in the cutting and distributing mechanism and the syringe assembling system, each cutting action of the cutting tool can cut the dividing area of the blister packaging after debugging, and the integrity of each group of syringe packaging is ensured.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to a syringe production equipment, in particular to a cutting and distributing mechanism and a syringe assembling system. BACKGROUND

[0002] In the syringe production and assembling process, the components such as the needle cylinder, rubber plug and core rod are transported to the assembling mechanism for assembly, and then are sorted by the mechanical hand to the packaging mechanism for packaging the plastic sealing film. In the packaging mechanism, the suction plastic mold is pre-laid with suction plastic paper, and the several syringes are evenly placed on the suction plastic paper of the suction plastic mold, and then another group of suction plastic paper is heat sealed with the suction plastic paper on the suction plastic mold by the plastic sealing film packaging machine, so that each group of syringes is independently packaged by the suction plastic paper. Since the outer packaging suction plastic paper of the several syringes heat sealed in the same batch is in an integral structure, the cutting and distributing mechanism is needed for cutting the suction plastic paper.

[0003] In the traditional cutting mechanism, the cutting tool and the conveying mechanism with the packaged syringes are independently controlled. After a long time of operation, the cutting time of the cutting tool and the conveying speed of the conveying mechanism are prone to coordination errors, so that the cutting tool cannot accurately cut the division area of the outer packaging suction plastic paper of the adjacent syringes, and the outer packaging suction plastic paper of the syringes is easily cut and broken due to cutting too early or too late. SUMMARY

[0004] The purpose of the present application is to overcome the shortcomings of the background art and provide a cutting and distributing mechanism and a syringe assembling system.

[0005] The embodiments of the present application are implemented by the following technical solutions:

[0006] On the one hand, the present application provides a cutting and distributing mechanism, comprising:

[0007] A containing mold is provided, and several suction packaging syringes to be cut are placed on the containing mold. The upper end surface of at least one side of the containing mold is provided with a rack portion.

[0008] A base is provided, and the containing mold is slidably arranged on the base. A gear wheel engaged with the rack portion is rotatably arranged on the base.

[0009] A cutting tool is arranged above the containing mold. The cutting tool is supported on the base by a resilient member and can slide up and down to cut the suction packaging of the syringes.

[0010] A driving shaft is arranged above the cutting tool. A cam is arranged on the driving shaft and abuts against the upper end surface of the cutting tool to drive the cutting tool to move downward. The driving shaft is synchronously connected with the gear wheel by a belt wheel mechanism.

[0011] Further, a plurality of accommodating cavities are evenly arranged on the accommodating mold, and each group of the accommodating cavities is placed with a group of syringes.

[0012] The accommodating mold is provided with cutting slots arranged in a grid shape, and each group of the accommodating cavities is placed in a group of the grid; the cutting slots are used for accommodating blades of the cutting tool when the cutting tool is cutting.

[0013] Further, the cutting slots include a plurality of transverse slots arranged in parallel, and a plurality of longitudinal slots perpendicular to the plurality of transverse slots.

[0014] The longitudinal slots are parallel to the extension direction of the rack part, and the longitudinal slots pass through both ends of the accommodating mold; in any plane perpendicular to the length direction of the transverse slot, the cross-sectional profile of the transverse slot is an upward-opening "V" shape.

[0015] Further, a guide shaft is vertically arranged on each side of the base of the accommodating mold, and both ends of the cutting tool are slidably arranged on the guide shaft; the elastic member is a spring sleeved on the guide shaft.

[0016] Further, both ends of the driving shaft are arranged in a group of mounting seats, and the mounting seats are arranged on the base; the base is provided with a motor, and the motor is drivingly connected with the driving shaft.

[0017] Further, each side of the accommodating mold is provided with a group of the rack parts, each side of the base beside the group of the rack parts is provided with a group of the gears, and each end of the driving shaft is provided with a group of the pulley mechanisms, each of the group of the pulley mechanisms is drivingly connected with the gear on the same side.

[0018] Further, three groups of the cams are arranged on the driving shaft between the two groups of the pulley mechanisms.

[0019] On the other hand, the present application also provides a syringe assembling system, which comprises:

[0020] A feeding mechanism for feeding the core rod, the needle cylinder and the rubber plug,

[0021] An assembling mechanism connected with the feeding mechanism for assembling the syringe;

[0022] A packaging mechanism for vacuum packaging the syringe;

[0023] A transverse feeding mechanism arranged between the assembling mechanism and the packaging mechanism, a mechanical hand arranged in the transverse feeding mechanism for grabbing the assembled syringe into the packaging mechanism; and

[0024] The cutting and distributing mechanism as described above is connected with the packaging mechanism and used for cutting the blister packaging of the syringes.

[0025] Preferably, the transverse feeding mechanism is provided with a support for supporting the syringes, and the support is arranged in a wave shape along the moving direction of the transverse feeding mechanism, so that the two groups of syringes are supported in a staggered manner.

[0026] Preferably, the feeding mechanism comprises:

[0027] A first feeding mechanism for feeding the core rods;

[0028] A second feeding mechanism for feeding the barrels; and

[0029] A third feeding mechanism for feeding the rubber plugs.

[0030] The second feeding mechanism is further provided with a printing mechanism and a drying mechanism between the second feeding mechanism and the assembling mechanism, wherein the printing mechanism is used for printing scales on the outer wall of the barrel, and the drying mechanism is used for drying the outer wall of the barrel after printing.

[0031] The technical scheme of the embodiment of the present application has at least the following advantages and beneficial effects:

[0032] In the cutting and distributing mechanism and the syringe assembling system of the present application, the movement of the accommodating mold and the cutting action of the cutting tool are both controlled through the driving shaft. After debugging, the cutting action of the cutting tool and the movement of the accommodating mold can be synchronized and coordinated, so that each cutting action of the cutting tool can cut the partition area of the blister packaging, and the integrity of each group of syringe packaging is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 FIG. 1 is a structural schematic diagram of a syringe assembling system in an embodiment of the present application;

[0034] Figure 2 FIG. 3 is a partial structural schematic diagram of a transverse feeding mechanism in an embodiment of the present application;

[0035] Figure 3 FIG. 5 is a structural schematic diagram of a cutting and distributing mechanism in another embodiment of the present application; Figure 1

[0036] Figure 4 FIG. 7 is a structural schematic diagram of a cutting and distributing mechanism in another embodiment of the present application; Figure 2

[0037] Figure 5 FIG. 9 is an enlarged view of part A of FIG. 8; Figure 3

[0038] Figure 6 FIG. 11 is a structural schematic diagram of a cutting and distributing mechanism in another embodiment of the present application;​​​Figure 4 Enlarged view of part B of figure 1;

[0039] Figure: 1 - first feeding mechanism, 2 - second feeding mechanism, 20 - rotating mechanism, 200 - printing mechanism, 21 - drying mechanism, 3 - third feeding mechanism, 4 - assembling mechanism, 5 - horizontal feeding mechanism, 50 - support, 500 - trough part, 501 - peak part, 6 - mechanical hand, 7 - packaging mechanism, 70 - plastic film packaging machine, 8 - cutting and separating mechanism, 80 - base, 800 - extension plate, 801 - driven shaft, 802 - gear, 803 - support seat, 804 - pulley mechanism, 81 - containing mold, 810 - containing cavity, 811 - rack part, 812 - cutting seam, 8120 - longitudinal seam, 8121 - transverse seam, 82 - driving shaft, 820 - cam, 821 - motor, 822 - mounting seat, 83 - cutting tool, 830 - blade, 831 - guide shaft, 832 - elastic member, 9 - conveying belt. DETAILED DESCRIPTION

[0040] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0041] The present application provides a cutting and separating mechanism and a syringe assembling system, and has the following two groups of embodiments.

[0042] Embodiment one:

[0043] With reference to Figures 3 to 6 In the present embodiment, the cutting and separating mechanism 8 comprises a base 80, a containing mold 81, a driving shaft 82, and a cutting tool 83.

[0044] With reference to Figure 3 and Figure 4 The containing mold 81 is in a long plate structure, and a plurality of containing cavities 810 are arranged in a rectangular array on the upper end face of the containing mold 81 in a uniform manner. Each group of syringes is placed in each group of containing cavities 810, and the syringes are packaged by two layers of blister paper.

[0045] In addition, the upper end face of the containing mold 81 is provided with cutting seams 812 arranged in a rectangular grid. Each group of containing cavities 810 is placed in a group of grids.

[0046] Preferably, with reference to Figure 6 The cutting seam 812 comprises a plurality of parallel transverse seams 8121 and a plurality of longitudinal seams 8120 perpendicular to the plurality of transverse seams 8121.

[0047] The lower end face of the cutting tool 83 is provided with blades which can be inserted into a set of horizontal slits 8121 and a plurality of longitudinal slits 2180 located on both sides of the set of horizontal slits 8121, and the length of the blades in the extension direction of the longitudinal slits 2180 is not less than 1 / 2 of the length of the grid in the same direction, so that two adjacent cutting actions can completely cut off a set of blister packs of syringes.

[0048] Referring to Figure 3 , wherein the upper end face of at least one side of the accommodation mold 81 is provided with a rack part 811, and the accommodation mold 81 is slidably arranged on the base 80, and the base 80 is rotatably provided with a gear 802 engaged with the rack part 811.

[0049] In this embodiment, referring to Figure 3 and Figure 5 , each side of the accommodation mold 81 is provided with a set of rack parts 811, and each side of the base 80 beside each set of rack parts 811 is provided with a set of gears 802, wherein the base 80 is provided with two sets of support seats 803, and a driven shaft 801 spanning the accommodation mold 81 is rotatably connected between the two sets of support seats 803, and the two sets of gears 802 are fixedly arranged on the driven shaft 801.

[0050] Wherein the driving shaft 82 is located above the accommodation mold 81, and each side of the driving shaft 82 is provided with a set of pulley mechanisms 804, and each set of pulley mechanisms 804 is drivingly connected with the same side gear 802, that is, the pulley mechanism 804 is connected between the driving shaft 82 and the driven shaft 801.

[0051] Referring to Figure 3 and Figure 4 , the cutting tool 83 is arranged above the accommodation mold 81, and the cutting tool 83 is slidably supported on the base 80 by the elastic member 832 to cut the blister pack of the syringe downward.

[0052] In order to drive the cutting tool 83 to move up and down, the driving shaft 82 is arranged above the cutting tool 83, and at least one set of cams 820 is arranged on the driving shaft 82 to abut against the upper end face of the cutting tool 83, so as to drive the cutting tool 83 to move downward; in this embodiment, three sets of cams 820 are arranged on the driving shaft 82 between the two sets of pulley mechanisms 804.

[0053] One side of the base 80 is provided with an extension plate 800, and the extension plate 800 is provided with a motor 821, and the motor 821 drives the rotation of the driving shaft 82, and in turn drives the cutting tool 83 to reciprocatingly move up and down under the pressing of the cam 820.

[0054] Meanwhile, the driving shaft 82 drives the rotation of the gear 802 through the belt wheel mechanism 804, the gear 802 drives the uniform movement of the container mold 81 through the rack part 811, and the container mold 81 moves by one grid distance when the cutting tool 83 moves downward for cutting each time, so that the cutting tool 83 cuts in the division area each time.

[0055] In one embodiment, the longitudinal seam 8120 is parallel to the extension direction of the rack part 811, the longitudinal seam 8120 penetrates through both ends of the container mold, and the cross section profile of the transverse seam 8121 is a “V” shape with the opening upward in any plane perpendicular to the length direction of the transverse seam 8121, which ensures that the movement of the container mold 81 will not collide with the cutting tool during the cutting process.

[0056] Referring to Figure 5 In this embodiment, the base 80 on both sides of the container mold 81 is vertically provided with a guide shaft 831, both ends of the cutting tool 83 are slidably provided on the guide shaft 831, and the elastic member 832 is a spring sleeved on the guide shaft 831.

[0057] In addition, in this embodiment, both ends of the driving shaft 82 are provided in a group of mounting seats 822, and the mounting seat 822 is provided on the base 80.

[0058] Embodiment two:

[0059] On the other hand, the present application also provides a syringe assembly system, comprising:

[0060] A feeding mechanism for feeding the core rod, the needle cylinder and the rubber plug,

[0061] An assembly mechanism 4 connected with the feeding mechanism through a conveying belt 9 for assembling the syringe;

[0062] A packaging mechanism 7 for vacuum packaging the syringe through a plastic packaging film packaging machine 70;

[0063] A transverse feeding mechanism 5 provided between the assembly mechanism 4 and the packaging mechanism 7, a mechanical hand 6 provided in the transverse feeding mechanism 5 for grabbing the assembled syringe into the packaging mechanism 7; and

[0064] A cutting and dividing mechanism 8 as described in embodiment one connected with the packaging mechanism 7 for cutting the vacuum packaging of the syringe.

[0065] The prior art is: in one embodiment, the feeding mechanism adopts a vibrating feeding, comprising:

[0066] A first feeding mechanism 1 for feeding the core rod;

[0067] A second feeding mechanism 2 is configured to feed the needle cylinder;

[0068] A third feeding mechanism 3 is configured to feed the rubber plug;

[0069] The second feeding mechanism 2 and the assembling mechanism 4 are further provided with a printing mechanism 200 and a drying mechanism 21. The printing mechanism 200 is configured to print scale on the outer wall of the needle cylinder, and the drying mechanism 21 is configured to dry the outer wall of the needle cylinder after printing.

[0070] In an embodiment, the transverse feeding mechanism 5 is provided with a support 50 configured to support the syringes. The support 50 is arranged in a wave shape along the moving direction of the transverse feeding mechanism 5, so that two groups of syringes are supported in a staggered manner. Thus, the mechanical hand 6 can grasp two sets of syringes in each grasping action.

[0071] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A cutting and separating mechanism, characterized in that, include: A receiving mold on which several syringes with blister packaging to be cut are placed, and the receiving mold has a toothed portion on the upper end face of at least one side; The base, the receiving mold is slidably disposed on the base, and the base is rotatably disposed with a gear that meshes with the rack portion; A cutting tool is disposed above the receiving mold. The cutting tool is supported on the base by an elastic element that can slide up and down, and is used to cut the blister packaging of the syringe. as well as A drive shaft is located above the cutting tool, and a cam is provided on the drive shaft to abut against the upper surface of the cutting tool to drive the cutting tool to move downward; the drive shaft is connected to the gear for synchronous rotation via a pulley mechanism. The accommodating mold has a plurality of accommodating cavities evenly arranged on it, and each set of accommodating cavities contains a set of syringes; The receiving mold has cutting slits arranged in a grid pattern, and each set of receiving cavities is placed in a set of the grid; when the cutting tool cuts, the cutting slits are used to accommodate the blade of the cutting tool; The cutting seam includes a plurality of parallel transverse seams and a plurality of longitudinal seams perpendicular to the plurality of transverse seams. The longitudinal seam is parallel to the extending direction of the rack portion and passes through both ends of the receiving mold; on any plane perpendicular to the length direction of the transverse seam, the cross-sectional profile of the transverse seam is an upward-opening "V" shape. Each end of the drive shaft passes through a set of mounting seats, which are mounted on the base; the base is equipped with a motor, which is driven by the drive shaft. The mold has a set of racks on each side, and a set of gears on the base next to each set of racks. The drive shaft has a set of pulley mechanisms at each end, and each set of pulley mechanisms is driven and connected to the gears on the same side.

2. The cutting and separating mechanism according to claim 1, characterized in that: Guide shafts are vertically arranged on the bases on both sides of the mold housing, and both ends of the cutting tool can be slidably passed through the guide shafts; the elastic element is a spring sleeved on the guide shaft.

3. The cutting and separating mechanism according to claim 1, characterized in that: The drive shaft located between the two sets of pulley mechanisms is provided with three sets of cams.

4. A syringe assembly system, characterized in that, include: The feeding mechanism is used for feeding the core rod, syringe, and rubber stopper. An assembly mechanism, which is connected to the feeding mechanism, is used for assembling the syringe; Packaging equipment for blister packaging of syringes; A transverse feeding mechanism is located between the assembly mechanism and the packaging mechanism. The transverse feeding mechanism is equipped with a robotic arm for gripping the assembled syringe into the packaging mechanism. as well as The cutting and separating mechanism according to any one of claims 1 to 3 is connected to the packaging mechanism and is used to cut the blister packaging of the syringe.

5. The syringe assembly system according to claim 4, characterized in that: The transverse feeding mechanism is equipped with a bracket for supporting the syringes, and the bracket is arranged in a wave shape along the moving direction of the transverse feeding mechanism so that adjacent sets of syringes are supported in an alternating manner.

6. The syringe assembly system according to claim 4, characterized in that: The feeding mechanism includes: The first feeding mechanism is used for feeding the core rod; The second feeding mechanism is used for feeding the syringes; and The third feeding mechanism is used for feeding rubber stoppers; A printing mechanism and a drying mechanism are also provided between the second feeding mechanism and the assembly mechanism. The printing mechanism is used to print scales on the outer wall of the syringe, and the drying mechanism is used to dry the outer wall of the syringe after printing.

Citation Information

Patent Citations

  • Cutting device used for producing rubber sealing part

    CN108621220A

  • Medical product blister packaging machine

    CN113460395A