Injection pen assembling system

Abstract

The utility model discloses an injection pen assembling system which comprises a front body assembly positioning and conveying mechanism, a pre-filling needle pressing mechanism and a rear body assembly pressing mechanism. The pre-filling needle pressing mechanism and the rear body assembly pressing mechanism are both arranged above the front body assembly positioning and conveying mechanism and are arranged at intervals in the conveying direction of the front body assembly positioning and conveying mechanism. According to the injection pen assembling system, the injection pen is assembled on the basis of the front body assembly, the front body assembly positioning and conveying mechanism conveys the front body assembly to pass through the pre-filling needle pressing mechanism and the rear body assembly pressing mechanism in sequence, and the pre-filling needle and the rear body assembly are pressed into the front body assembly in sequence; the assembling steps are few, the assembling process is simple, and the assembling efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of food and medicine packaging machinery and equipment, in particular to an injection pen assembly system. Background Art

[0002] An injection pen is a medical device used to inject medication, usually subcutaneously or intramuscularly. Fig. 9 and Fig.10 As shown, the injection pen 200 includes a front body component 201, a prefilling needle 202 and a rear body component 203. At present, the domestic automatic injector market is mainly completed by manual or semi-automatic equipment, with low assembly efficiency and low yield.

[0003] Chinese patent document CN103747824B discloses a syringe structure and a method for assembling a prefilled needle syringe, wherein the terminal is locked on the housing, the second actuating spring is interposed between the first actuating terminal piece and the second actuating terminal piece, the first actuating spring is inserted into a housing, and the first actuating spring is detachably engaged with the first locking hook and the locking platform to compress the first actuating spring, so as to realize the assembly of the prefilled needle syringe. The assembly method is aimed at the spring lock assembly type prefilled needle syringe, and because the coordination of the various locking structures inside the syringe needs to be considered, the method has complicated steps and cannot be applied to the current press-in assembly injection pen. Utility Model Content

[0004] The utility model solves the problems existing in the prior art during use and provides an injection pen assembly system with fewer assembly steps, simple assembly process and high assembly efficiency.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] An injection pen assembly system includes a front body component positioning and conveying mechanism, a prefilling needle pressing mechanism and a rear body component pressing mechanism. The prefilling needle pressing mechanism and the rear body component pressing mechanism are both arranged above the front body component positioning and conveying mechanism and are arranged at intervals along the conveying direction of the front body component positioning and conveying mechanism. The prefilling needle pressing mechanism is used to press the prefilling needle into the front body component on the front body component positioning and conveying mechanism, and the rear body component pressing mechanism is used to press the rear body component onto the front body component on the front body component positioning and conveying mechanism.

[0007] As a further improvement of the above technical solution:

[0008] An openable and closable prefilling needle guiding mechanism is provided between the prefilling needle pressing mechanism and the front body component positioning and conveying mechanism.

[0009] The prefilling needle pressing mechanism comprises a first lifting and pressing component and a prefilling needle clamp arranged on the first lifting and pressing component.

[0010] A first front body component clamping and positioning mechanism for clamping and positioning the front body component is provided between the prefilling needle guiding mechanism and the front body component positioning and conveying mechanism.

[0011] The rear body component pressing mechanism comprises a second lifting and pressing component and a rear body component clamp arranged on the second lifting and pressing component.

[0012] A second front body component clamping and positioning mechanism for clamping and positioning the front body component is provided between the rear body component pressing mechanism and the front body component positioning and conveying mechanism.

[0013] The front body component positioning and conveying mechanism comprises a conveying line and a front body component positioning carrier arranged on the conveying line.

[0014] The injection pen assembly system also includes a material storage device and a loading device, the material storage device is used to store the front body component, the prefilling needle and the rear body component, the loading device is used to transfer the front body component to the front body component positioning carrier, transfer the prefilling needle to the prefilling needle pressing mechanism and transfer the rear body component to the rear body component pressing mechanism.

[0015] The conveying line is provided with a good product detection device, a waste rejection device and a material discharging device in sequence downstream of the pressing mechanism of the rear body component.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The injection pen assembly system of the utility model assembles the injection pen based on the front body component. The front body component positioning and conveying mechanism sequentially conveys the front body component through the prefilling needle pressing mechanism and the rear body component pressing mechanism, and sequentially presses the prefilling needle and the rear body component into the front body component, thereby completing the assembly of the injection pen. The assembly steps are few, the assembly process is simple, and the assembly efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the injection pen assembly system of the utility model.

[0019] Figure 2 It is a top view of the injection pen assembly system of the utility model.

[0020] Figure 3 It is a front view of the injection pen assembly system of the utility model.

[0021] Figure 4 yes Figure 3 Enlarged view of point A in the middle.

[0022] Figure 5 The utility model is a schematic diagram of the exploded view of the prefilled needle pressing mechanism of the injection pen assembly system.

[0023] Figure 6 It is an exploded schematic diagram of the pressing mechanism of the rear body assembly of the injection pen assembly system of the utility model.

[0024] Figure 7 It is a main sectional view of a front body component positioning carrier of the injection pen assembly system of the utility model.

[0025] Figure 8 It is a top view of a front body component positioning carrier of the injection pen assembly system of the utility model.

[0026] Fig. 9 It is an overall diagram of the injection pen of the utility model.

[0027] Fig.10 It is an exploded view of the injection pen of the utility model.

[0028] Fig.11 It is a process diagram of the injection pen assembly method of the utility model.

[0029] Legend: 1. Front body assembly positioning and conveying mechanism; 11. Conveyor line; 12. Front body assembly positioning carrier; 121. Positioning slot; 2. Pre-filling needle pressing mechanism; 21. First lifting and pressing assembly; 22. Pre-filling needle clamp; 3. Rear body assembly pressing mechanism; 31. Second lifting and pressing assembly; 32. Rear body assembly clamp; 4. Pre-filling needle guiding mechanism; 51. First front body assembly clamping and positioning mechanism; 52. Second front body assembly clamping and positioning mechanism; 6. Material storage device; 7. Loading device; 8. Good product detection device; 9. Waste rejection device; 10. Discharging device; 200. Injection pen; 201. Front body assembly; 202. Pre-filling needle; 203. Rear body assembly. DETAILED DESCRIPTION

[0030] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0031] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0032] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0033] In the present invention, unless otherwise clearly specified and limited, the terms "assemble", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] Embodiment 1:

[0035] like Figures 1 to 11 As shown, the injection pen assembly system of the present embodiment includes a front body component positioning and conveying mechanism 1, a prefilling needle pressing mechanism 2 and a rear body component pressing mechanism 3. The prefilling needle pressing mechanism 2 and the rear body component pressing mechanism 3 are both arranged above the front body component positioning and conveying mechanism 1 and are arranged at intervals along the conveying direction of the front body component positioning and conveying mechanism 1. The prefilling needle pressing mechanism 2 is used to press the prefilling needle 202 into the front body component 201 on the front body component positioning and conveying mechanism 1, and the rear body component pressing mechanism 3 is used to press the rear body component 203 onto the front body component 201 on the front body component positioning and conveying mechanism 1.

[0036] In the injection pen assembly system of the present embodiment, when assembling the injection pen 200, the front body component positioning and conveying mechanism 1 conveys the front body component 201 to the bottom of the prefilling needle pressing mechanism 2, the prefilling needle pressing mechanism 2 presses the prefilling needle 202 down into the front body component 201 on the front body component positioning and conveying mechanism 1, the front body component positioning and conveying mechanism 1 conveys the front body component 201 loaded with the prefilling needle 202 to the bottom of the rear body component pressing mechanism 3, the rear body component pressing mechanism 3 presses the rear body component 203 down onto the front body component 201, and the assembly of the injection pen 200 is completed. The injection pen assembly system of the present embodiment assembles the injection pen 200 based on the front body component 201. The front body component positioning and conveying mechanism 1 conveys the front body component 201 in sequence through the prefilling needle pressing mechanism 2 and the rear body component pressing mechanism 3, and presses the prefilling needle 202 and the rear body component 203 into the front body component 201 in sequence, thereby completing the assembly of the injection pen 200. The assembly steps are few, the assembly process is simple, and the assembly efficiency is high.

[0037] Furthermore, in this embodiment, if Figure 5 As shown, an openable and closable prefilling needle guide mechanism 4 is provided between the prefilling needle pressing mechanism 2 and the front body assembly positioning and conveying mechanism 1. By providing the prefilling needle guide mechanism 4, the prefilling needle 202 is guided when it is pressed into the front body assembly 201, thereby improving the qualified rate of assembly; at the same time, the prefilling needle guide mechanism 4 can be opened and closed, and after the prefilling needle guide mechanism 4 guides the prefilling needle 202 to be pressed into the front body assembly 201, the prefilling needle guide mechanism 4 is opened to avoid it, and it is pressed down again to complete the pressing of the prefilling needle 202, and the pressing process is stable, and the qualified rate of assembly is high.

[0038] Furthermore, in this embodiment, the prefilling needle pressing mechanism 2 includes a first lifting and pressing assembly 21 and a prefilling needle clamp 22 provided on the first lifting and pressing assembly 21. The prefilling needle 202 is clamped in the prefilling needle clamp 22, and the first lifting and pressing assembly 21 drives the prefilling needle clamp 22 to rise and fall, so that the prefilling needle 202 can be pressed in, and the structure is simple and reasonable.

[0039] Furthermore, in this embodiment, a first front body component clamping and positioning mechanism 51 for clamping and positioning the front body component 201 is provided between the prefilling needle guide mechanism 4 and the front body component positioning and conveying mechanism 1. When the prefilling needle 202 is pressed in, the first front body component clamping and positioning mechanism 51 clamps the front body component 201, and the pressing process is more stable, and the assembly qualification rate is higher.

[0040] Furthermore, in this embodiment, the rear body component pressing mechanism 3 includes a second lifting and pressing component 31 and a rear body component fixture 32 provided on the second lifting and pressing component 31. The rear body component 203 is clamped in the rear body component fixture 32, and the second lifting and pressing component 31 drives the rear body component fixture 32 to rise and fall, so that the rear body component 203 can be pressed in, and the structure is simple and reasonable.

[0041] Furthermore, in this embodiment, if Figure 6 As shown, a second front body assembly clamping and positioning mechanism 52 for clamping and positioning the front body assembly 201 is provided between the rear body assembly pressing mechanism 3 and the front body assembly positioning and conveying mechanism 1. When the rear body assembly 203 is pressed in, the second front body assembly clamping and positioning mechanism 52 clamps the front body assembly 201, and the pressing process is more stable, and the assembly qualification rate is higher.

[0042] Furthermore, in this embodiment, the front body component positioning and conveying mechanism 1 includes a conveying line 11 and a front body component positioning carrier 12 disposed on the conveying line 11. By adopting the form of the conveying line 11 to convey the front body component 201, it is convenient to align the front body component 201 with the prefilling needle 202 and the rear body component 203, and the structure is simple and reasonable. Preferably, in this embodiment, the conveying line 11 is a circulating conveying line, which can realize the recycling of the front body component positioning carrier 12, and the equipment utilization rate is high. Preferably, in this embodiment, Figure 7 and Figure 8 As shown, the front body assembly positioning carrier 12 is provided with a positioning groove 121 for installing the front body assembly 201, which can pre-position the front body assembly 201, which is beneficial to improve the assembly qualification rate.

[0043] Furthermore, in this embodiment, the injection pen assembly system further includes a material storage device 6 and a loading device 7, the material storage device 6 is used to store the front body component 201, the prefilling needle 202 and the rear body component 203, and the loading device 7 is used to transfer the front body component 201 to the front body component positioning carrier 12, transfer the prefilling needle 202 to the prefilling needle pressing mechanism 2, and transfer the rear body component 203 to the rear body component pressing mechanism 3. By providing the material storage device 6 and the loading device 7, the various components of the injection pen 200 are convenient to load, and the device has a high degree of automation. Preferably, in this embodiment, the loading device 7 is a manipulator, and loading is convenient and accurate.

[0044] Furthermore, in this embodiment, the conveyor line 11 is provided with a good product detection device 8, a waste rejection device 9 and a discharging device 10 in sequence downstream of the rear body assembly pressing mechanism 3. After the injection pen 200 is assembled, it is discharged in sequence through the good product detection device 8, the waste rejection device 9 and the discharging device 10, and the device has a high degree of automation.

[0045] Embodiment 2:

[0046] like Fig.11 As shown, the injection pen assembly method of this embodiment is performed using the injection pen assembly system of embodiment 1, and includes the following steps:

[0047] S1, the front body assembly positioning and conveying mechanism 1 conveys the front body assembly 201 to the bottom of the prefilling needle pressing mechanism 2, and aligns the front body assembly 201 with the prefilling needle pressing mechanism 2;

[0048] S2, the prefilling needle pressing mechanism 2 presses the prefilling needle 202 into the front body assembly 201;

[0049] S3, the front body assembly positioning and conveying mechanism 1 conveys the front body assembly 201 into which the prefilling needle 202 has been pressed to the bottom of the rear body assembly pressing mechanism 3, and aligns the front body assembly 201 with the rear body assembly pressing mechanism 3;

[0050] S4. The rear body assembly pressing mechanism 3 presses the rear body assembly 203 onto the front body assembly 201 to complete the assembly of the injection pen 200.

[0051] The injection pen assembly method of the present embodiment is to align the front body component 201 with the prefilling needle pressing mechanism 2 and the rear body component pressing mechanism 3 through the front body component positioning and conveying mechanism 1, and then press the prefilling needle 202 and the rear body component 203 into the front body component 201, so as to complete the assembly of the injection pen 200. The assembly steps are few, the assembly process is simple, and the assembly efficiency is high.

[0052] In this embodiment, in step S2, the following steps are specifically included: A1, the first lifting and pressing assembly 21 drives the prefilling needle fixture 22 to descend for the first time, and partially presses the prefilling needle 202 into the front body assembly 201; A2, the prefilling needle guide mechanism 4 is opened to avoid, and the first lifting and pressing assembly 21 drives the prefilling needle fixture 22 to descend for the second time, and fully presses the prefilling needle 202 into the front body assembly 201. Through the avoidance of the prefilling needle guide mechanism 4 and the secondary pressing of the prefilling needle 202, the guidance is more accurate and the assembly qualification rate is higher.

[0053] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model has been disclosed as above in the preferred embodiment, it is not used to limit the utility model. Any technician familiar with the field can make many possible changes and modifications to the technical solution of the utility model by using the methods and technical contents disclosed above without departing from the spirit and technical solution of the utility model, or modify it into an equivalent embodiment of equivalent changes. Therefore, any simple modification, equivalent replacement, equivalent change and modification made to the above embodiments based on the technical essence of the utility model without departing from the content of the technical solution of the utility model, still fall within the scope of protection of the technical solution of the utility model.

Claims

1. An injection pen assembly system, characterized in that: The invention comprises a front body component positioning and conveying mechanism (1), a prefilling needle pressing mechanism (2) and a rear body component pressing mechanism (3), wherein the prefilling needle pressing mechanism (2) and the rear body component pressing mechanism (3) are both arranged above the front body component positioning and conveying mechanism (1) and are arranged at intervals along the conveying direction of the front body component positioning and conveying mechanism (1); the prefilling needle pressing mechanism (2) is used to press the prefilling needle (202) down to the front body component (201) on the front body component positioning and conveying mechanism (1), and the rear body component pressing mechanism (3) is used to press the rear body component (203) down to the front body component (201) on the front body component positioning and conveying mechanism (1).

2. The injection pen assembly system according to claim 1, characterized in that: An openable and closable prefilling needle guiding mechanism (4) is provided between the prefilling needle pressing mechanism (2) and the front body component positioning and conveying mechanism (1).

3. The injection pen assembly system according to claim 2, characterized in that: The prefilling needle pressing mechanism (2) comprises a first lifting and pressing component (21) and a prefilling needle clamp (22) arranged on the first lifting and pressing component (21).

4. The injection pen assembly system according to claim 3, characterized in that: A first front body component clamping and positioning mechanism (51) for clamping and positioning the front body component (201) is provided between the prefilling needle guiding mechanism (4) and the front body component positioning and conveying mechanism (1).

5. The injection pen assembly system according to any one of claims 1 to 4, characterized in that: The rear body component pressing mechanism (3) comprises a second lifting and pressing component (31) and a rear body component clamp (32) arranged on the second lifting and pressing component (31).

6. The injection pen assembly system according to claim 5, characterized in that: A second front body component clamping and positioning mechanism (52) for clamping and positioning the front body component (201) is provided between the rear body component pressing mechanism (3) and the front body component positioning and conveying mechanism (1).

7. The injection pen assembly system according to any one of claims 1 to 4, characterized in that: The front body component positioning and conveying mechanism (1) comprises a conveying line (11) and a front body component positioning carrier (12) arranged on the conveying line (11).

8. The injection pen assembly system according to claim 7, characterized in that: The injection pen assembly system further comprises a material storage device (6) and a loading device (7), wherein the material storage device (6) is used to store the front body component (201), the prefilling needle (202) and the rear body component (203), and the loading device (7) is used to transfer the front body component (201) to the front body component positioning carrier (12), transfer the prefilling needle (202) to the prefilling needle pressing mechanism (2), and transfer the rear body component (203) to the rear body component pressing mechanism (3).

9. The injection pen assembly system according to claim 8, characterized in that: The conveying line (11) is provided with a good product detection device (8), a waste rejection device (9) and a material discharging device (10) in sequence downstream of the rear body component pressing mechanism (3).

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