An injection pen assembly system

Abstract

This invention discloses an injection pen assembly system, including an injection pen assembly device, a gripping and unloading device, an inclined guiding mechanism, and a conveying device. The inclined guiding mechanism includes an inclined guiding channel located at the inlet end of the conveying device. The unloading device includes a gripping mechanism for gripping and transferring the injection pens from the injection pen assembly device to the inclined guiding channel. The inclined guiding channel guides the injection pens at an incline onto the conveying device. The gripping mechanism includes a mounting frame and a pen-clamping assembly mounted on the mounting frame. The mounting frame has a positioning hole below the pen-clamping assembly. This injection pen assembly system has advantages such as reducing the complexity of the overall structure, lowering manufacturing costs, and reducing control requirements.

Description

Technical Field

[0001] This invention relates to the field of food and pharmaceutical packaging machinery technology, specifically to an injection pen assembly system. Background Technology

[0002] In a high-speed pre-filled syringe pen production line, the assembled products need to be labeled. To support high-speed production, the assembled products need to be removed from the assembly line and placed onto a conveyor line before being transported to the downstream processing. Chinese patent application number 202420144067.1 discloses a syringe pen assembly system, including a circulating conveyor device and, sequentially arranged along the circulating conveyor device, a pen cap assembly feeding device, a pen refill feeding and assembly device, a pen clamping device, a pen metering assembly feeding and assembly device, a pen metering assembly clamping device, and a good product unloading device. The circulating conveyor device is equipped with a pen cap assembly positioning carrier. The good product unloading device is connected to a circular conveyor line for unloading good syringe pens from the circulating conveyor device onto the circular conveyor line. The circular conveyor line is equipped with a pen cap assembly conveying carrier and extends to form a buffer section between the pen cap assembly feeding device and the circulating conveyor device. The internal structure of the circular conveyor line includes a first empty carrier recovery channel and a second empty carrier recovery channel. The injection pen assembly system requires a carrier to transport the assembled injection pens and also needs to set up an additional recycling channel to return the carrier. On the one hand, this increases the complexity of the overall structure and increases the manufacturing cost. On the other hand, each time the pens are unloaded, a good product unloading device is required to accurately place the injection pens into the carrier, which requires high control. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide an injection pen assembly system that reduces the complexity of the overall structure, lowers manufacturing costs and control requirements.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: An injection pen assembly system includes an injection pen assembly device, a gripping and unloading device, an inclined guiding mechanism, and a conveying device. The inclined guiding mechanism includes an inclined guiding channel located at the inlet end of the conveying device. The unloading device includes a gripping mechanism for gripping and transferring injection pens from the injection pen assembly device to the inclined guiding channel. The inclined guiding channel is used to tilt and guide the injection pens onto the conveying device. The gripping mechanism includes a mounting frame and a pen clamping assembly located on the mounting frame. The mounting frame has a positioning hole below the pen clamping assembly.

[0005] As a further improvement to the above technical solution: The conveying device includes a conveyor belt and a conveying drive mechanism for driving the conveyor belt, and the bottom of the inclined guide channel is connected to the conveyor belt.

[0006] The conveyor belt is equipped with flexible thickening components to prevent relative movement between the injection pen and the conveyor belt.

[0007] The conveyor belt is arranged horizontally.

[0008] The inclined guide channels are provided in multiple ways and are arranged at intervals along the width direction of the conveying device.

[0009] The gripping and unloading device also includes a robotic arm, and the mounting bracket is mounted on the robotic arm.

[0010] The pen clamping assembly includes at least two clamping blocks and a clamping drive. Each clamping block is movably mounted on a mounting bracket, and the clamping drive is connected to each clamping block to drive each clamping block to move closer and further away to clamp the injection pen.

[0011] The clamping drive is a telescopic drive component.

[0012] The inner wall of the clamping block is provided with a flexible pad, and the side of the flexible pad away from the clamping block is provided with a clamping surface. The clamping surface is in the shape of three arcs, wherein the radius of the circle corresponding to the middle arc is greater than the radius of the circle corresponding to the two side arcs.

[0013] The conveying device is equipped with a labeling device and a row blocking mechanism. The row blocking mechanism is used to block a row of injection pens in the conveying direction of the conveying device and then release the row of injection pens.

[0014] The row-mounted baffle mechanism includes a baffle and a lifting drive assembly, wherein the baffle is disposed on the lifting drive assembly.

[0015] Compared with the prior art, the advantages of the present invention are as follows: The Injection Pen Assembly System of the Present Invention The injection pen assembly system of this invention, through the combination of a gripping and unloading device and a tilting guide mechanism, can transfer the assembled injection pens from the injection pen assembly device to a conveying device, and then output them from the conveying device. This eliminates the need for carrier transfer and additional recycling channels for carrier return. Firstly, it reduces the complexity of the overall structure and lowers manufacturing costs. Secondly, compared to carrier receiving, it has lower control requirements. Thirdly, by combining the gripping and unloading device and the tilting guide mechanism to achieve vertical gripping and unloading, the flipping action of the gripping mechanism can be reduced, allowing the use of a planar robot as the robotic arm instead of a six-axis robot, thus achieving cost reduction. Furthermore, the positioning holes provide guidance during vertical gripping and unloading, especially when the pen clamping assembly releases the injection pen. In the initial stage of the injection pen's descent (before the bottom of the injection pen lands in the tilting guide channel), the top of the injection pen is constrained in the same direction, preventing the injection pen from flipping after detaching from the pen clamping assembly. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the injection pen assembly system of the present invention.

[0017] Figure 2 This is a schematic diagram of the tilting guide mechanism of the injection pen assembly system of the present invention.

[0018] Figure 3 This is a schematic diagram of the feeding device of the injection pen assembly system of the present invention.

[0019] Figure 4 This is a schematic diagram of the gripping mechanism of the injection pen assembly system of the present invention.

[0020] Figure 5 This is a schematic diagram of the pen clamping assembly of the injection pen assembly system of the present invention.

[0021] Figure 6 This is a schematic diagram of the clamping block of the injection pen assembly system of the present invention.

[0022] Figure 7 This is a schematic diagram of the positioning hole structure of the injection pen assembly system of the present invention.

[0023] Figure 8 This is a schematic diagram of the structure of the injection pen assembly system of the present invention when the injection pen is located above the inclined guide channel.

[0024] Figure 9 This is a diagram showing the sliding process of the injection pen along the inclined guide channel in the injection pen assembly system of the present invention.

[0025] Figure 10 This is a schematic diagram of the delivery device of the injection pen assembly system of the present invention.

[0026] Figure 11 yes Figure 10 Enlarged view of point A in the middle.

[0027] The labels in the diagram represent: 1. Injection pen assembly device; 10. Injection pen; 2. Feeding device; 3. Inclined guide mechanism; 31. Guide frame; 32. Inclined guide channel; 4. Conveying device; 41. Feeding mesh belt; 42. Conveying drive mechanism; 5. Robotic arm; 6. Gripping mechanism; 61. Mounting frame; 62. Pen clamping assembly; 621. Clamping block; 622. Clamping drive component; 623. Media channel; 63. Positioning hole; 7. Flexible pad; 71. Clamping surface; 8. Sensor; 9. Row baffle mechanism; 91. Baffle; 92. Lifting drive assembly. Detailed Implementation

[0028] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0029] In the description of this invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0030] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0031] In this invention, unless otherwise explicitly specified and limited, the terms "assembly," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0032] Figures 1 to 11 An embodiment of the injection pen assembly system of the present invention is shown. This embodiment of the injection pen assembly system includes an injection pen assembly device 1, a gripping and unloading device 2, an inclined guiding mechanism 3, and a conveying device 4. The inclined guiding mechanism 3 includes an inclined guiding channel 32 located at the inlet end of the conveying device 4. The unloading device 2 includes a gripping mechanism 6 for gripping and transferring the injection pen 10 from the injection pen assembly device 1 to the inclined guiding channel 32. The inclined guiding channel 32 is used to guide the injection pen 10 inclinedly onto the conveying device 4. The gripping mechanism 6 includes a mounting frame 61 and a pen clamping assembly 62 located on the mounting frame 61. The mounting frame 61 has a positioning hole 63 below the pen clamping assembly 62 for vertical alignment with the top of the inclined guiding channel 32.

[0033] In use, the mounting bracket 61 is mounted on the robotic arm 5, and the robotic arm 5 moves the pen clamping assembly 62 between the injection pen assembly device 1 and the inclined guide channel 32. The operation process of this injection pen assembly system is as follows: First, the mounting bracket 61 moves the pen clamping assembly 62 under the action of the robotic arm 5 until the positioning hole 63 is aligned with the top of the injection pen 10 on the injection pen assembly device 1; then, the pen clamping assembly 62 is lowered in the open state until the top of the injection pen 10 passes through the positioning hole 63 and is inserted into the pen clamping assembly 62, and the pen clamping assembly 62 clamps the top of the injection pen 10; next, the mounting bracket 61 moves the pen clamping assembly 62 under the action of the robotic arm 5 until the positioning hole 63 is aligned with the top of the inclined guide channel 32; then, the pen clamping assembly 62 releases the injection pen 10, which falls into the inclined guide channel 32 and slides down the inclined guide channel 32 to the conveying device 4; finally, the conveying device 4 conveys the injection pen 10 to the next process.

[0034] This injection pen assembly system, through the combination of the gripping and unloading device 2 and the tilting guide mechanism 3, can transfer the injection pen 10 assembled on the injection pen assembly device 1 to the conveying device 4, and then output it from the conveying device 4. This eliminates the need for carrier transfer and additional recycling channels for carrier return. Firstly, it reduces the complexity of the overall structure and lowers manufacturing costs. Secondly, compared to carrier receiving, the control requirements are lower. Thirdly, by combining the gripping and unloading device 2 and the tilting guide mechanism 3 to achieve vertical gripping and unloading, the flipping action of the gripping mechanism 6 can be reduced, allowing a planar robot to be used as the robotic arm 5 instead of a six-axis robot, thus reducing costs. Furthermore, the positioning hole 63 plays a guiding role during vertical gripping and unloading, especially when the pen clamping assembly 62 releases the injection pen 10. In the initial stage of the injection pen 10's descent (before the bottom of the injection pen 10 lands in the tilting guide channel 32), it provides unidirectional constraint on the top of the injection pen 10, preventing it from flipping after detaching from the pen clamping assembly 62.

[0035] Furthermore, such as Figure 2 , Figure 8 and Figure 9 As shown, in this embodiment, the conveying device 4 includes a conveyor belt 41 and a conveying drive mechanism 42 for driving the conveyor belt 41. The bottom of the inclined guide channel 32 is connected to the conveyor belt 41. The injection pen 10 slides down the inclined guide channel 32 onto the conveyor belt 41. Preferably, the bottom of the inclined guide channel 32 is spaced at an appropriate distance from the conveyor belt 41, such as 1-3 mm, to prevent mutual wear between the inclined guide channel 32 and the conveyor belt 41.

[0036] Furthermore, in this embodiment, the conveyor belt 41 is provided with a flexible thickening component to prevent relative movement between the injection pen 10 and the conveyor belt 41. The flexible thickening component on the surface of the conveyor belt 41 increases the surface roughness of the conveyor belt 41, preventing the injection pen 10 from sliding relative to the conveyor belt 41 during its placement on the surface, thereby avoiding wear on the injection pen 10 due to sliding friction. The flexible thickening component may be made of flocked material.

[0037] Furthermore, in this embodiment, the conveyor belt 41 is arranged horizontally. Of course, in other embodiments, the conveyor belt 41 may also be arranged inclined along the conveying direction and / or width direction as needed.

[0038] Furthermore, such as Figure 1 and Figure 2 As shown, in this embodiment, multiple inclined guide channels 32 are provided and arranged at intervals along the width direction of the conveying device 4. Correspondingly, multiple gripping mechanisms 6 can also be provided, each gripping mechanism 6 corresponding to one inclined guide channel 32. The gripping mechanisms 6 together unload multiple injection pens 10 from the injection pen assembly device 1 at one time and synchronously transfer the injection pens 10 to each inclined guide channel 32. The inclined guide channels 32 together guide multiple injection pens 10 to the conveying device 4 at an inclined angle at one time, which improves production efficiency.

[0039] Furthermore, such as Figure 1 and Figure 3 As shown, in this embodiment, the gripping and unloading device 2 also includes a robotic arm 5, and a mounting frame 61 is disposed on the robotic arm 5. The robotic arm 5 can be an existing planar robot.

[0040] Furthermore, such as Figures 4 to 6 As shown, in this embodiment, the pen-clamping assembly 62 includes two clamping blocks 621 and a clamping drive member 622. Each clamping block 621 is movably mounted on the mounting bracket 61, and the clamping drive member 622 is connected to each clamping block 621, used to drive each clamping block 621 to move closer and further away to clamp the injection pen 10. The clamping drive member 622 drives each clamping block 621 to move closer to clamp the injection pen 10, and the clamping drive member 622 drives each clamping block 621 to move further away to release the injection pen 10. Preferably, the pen-clamping assemblies 62 of each gripping mechanism 6 are arranged side by side, such as in a row.

[0041] In other embodiments, the pen clamping assembly 62 includes three or more clamping blocks 621, and a clamping drive 622 is connected to each clamping block 621 to drive each clamping block 621 toward and away from the center to clamp the injection pen 10.

[0042] Furthermore, in this embodiment, the clamping drive 622 is a telescopic drive component, such as a cylinder, hydraulic cylinder, or electric cylinder. Preferably, each clamping drive 622 of the pen clamping assembly 62 is connected to a medium channel 623, which provides a medium to the clamping drive 622, causing each clamping block 621 to move closer to the center to clamp the injection pen 10. More preferably, the medium channel 623 individually controls the entry and exit of the medium, allowing each clamping drive 622 to operate independently.

[0043] Furthermore, such as Figure 5 and Figure 6 As shown, in this embodiment, a flexible pad 7 is provided on the inner wall of the clamping block 621. A clamping surface 71 is provided on the side of the flexible pad 7 away from the clamping block 621. The clamping surface 71 is in the shape of three arc segments, where the radius of the circle corresponding to the middle arc is larger than the radius of the circles corresponding to the two side arcs. The flexible pad 7 is elastic, will not scratch the injection pen 10, and has high friction, making it difficult for the injection pen 10 to fall off during movement. The flexible pad 7 is made of elastic materials such as silicone or rubber. The clamping surface 71 is in the shape of three arc segments, where the radius of the circle corresponding to the middle arc is larger than the radius of the circles corresponding to the two side arcs. This allows the clamping block 621 (also called a gripper) to be compatible with at least two different sizes of injection pens 10 when gripping materials, solving the problem of having to replace the clamping pen assembly 62 to meet the gripping needs of different injection pens 10, thus reducing the number of times the clamping pen assembly 62 needs to be replaced and improving production efficiency. The clamping surface 71 can adopt a contour-following structure, taking the curves where each injection pen 10 intersects as the contact surface to ensure that the contact surfaces of the injection pens 10 are equivalent.

[0044] Furthermore, in this embodiment, the conveying device 4 is equipped with a labeling device. The labeling device is existing technology and is used to label the injection pen 10.

[0045] Furthermore, in this embodiment, the inclined guiding mechanism 3 also includes a guide frame 31, which is located at the feed end of the conveying device 4, and the inclined guiding channel 32 is located on the guide frame 31.

[0046] Furthermore, such as Figure 7 As shown, in this embodiment, the positioning hole 63 has a structure that is larger at the bottom and smaller at the top, such as an inverted conical hole or a horn hole, which can adapt to the tilting guidance of the injection pen 10 within a certain range and avoid the pen clamping assembly 62 from colliding with the top of the injection pen 10 when it descends to clamp the injection pen 10.

[0047] Furthermore, each gripping mechanism 6 can be independently controlled to open and close, thereby allowing defective products to be discharged to areas outside the conveying device 4 during the transfer process, so as to remove unqualified injection pens 10 before they are placed on the conveying device 4.

[0048] Furthermore, such as Figure 10 and Figure 11As shown, in this embodiment, the conveying device 4 is provided with a row blocking mechanism 9, which is used to block a row of injection pens 10 in the conveying direction of the conveying device 4 and then release the row of injection pens 10 so that the injection pens 10 can be conveyed in a row.

[0049] Furthermore, such as Figure 11 As shown, in this embodiment, the row-blocking mechanism 9 includes a baffle 91 and a lifting drive assembly 92. The baffle 91 is disposed on the lifting drive assembly 92, and the injection pen 10 is blocked and placed under the lifting drive action of the lifting drive assembly 92. Preferably, the row-blocking mechanism 9 is disposed at the discharge end of the conveying device 4. The lifting drive assembly 92 can be a lifting cylinder, a lifting hydraulic cylinder, or a lifting electric cylinder.

[0050] While the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the invention. Any person skilled in the art can make many possible variations and modifications to the technical solutions of the present invention, or modify them into equivalent embodiments, without departing from the scope of the present invention. Therefore, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention, without departing from the scope of the present invention, should fall within the protection scope of the present invention.

Claims

1. An injection pen assembly system, characterized in that: The device includes an injection pen assembly device (1), a gripping and unloading device (2), an inclined guiding mechanism (3), and a conveying device (4). The inclined guiding mechanism (3) includes an inclined guiding channel (32) located at the feed end of the conveying device (4). The unloading device (2) includes a gripping mechanism (6) for gripping and transferring the injection pen (10) from the injection pen assembly device (1) to the inclined guiding channel (32). The inclined guiding channel (32) is used to guide the injection pen (10) at an incline onto the conveying device (4). 6) Includes a mounting bracket (61) and a pen clamping assembly (62) disposed on the mounting bracket (61). The mounting bracket (61) has a positioning hole (63) below the pen clamping assembly (62). The pen clamping assembly (62) includes at least two clamping blocks (621) and a clamping drive (622). Each clamping block (621) is movably disposed on the mounting bracket (61). The clamping drive (622) is connected to each clamping block (621) and is used to drive each clamping block (621) to move closer and further away to clamp the injection pen (10).

2. The injection pen assembly system according to claim 1, characterized in that: The conveying device (4) includes a conveyor belt (41) and a conveying drive mechanism (42) for driving the conveyor belt (41) to run. The bottom of the inclined guide channel (32) is connected to the conveyor belt (41).

3. The injection pen assembly system according to claim 2, characterized in that: The conveyor belt (41) is provided with a flexible thickening component to prevent the injection pen (10) from moving relative to the conveyor belt (41).

4. The injection pen assembly system according to claim 2, characterized in that: The conveyor belt (41) is arranged horizontally.

5. The injection pen assembly system according to claim 1, characterized in that: Multiple inclined guide channels (32) are provided and are arranged at intervals along the width direction of the conveying device (4).

6. The injection pen assembly system according to claim 1, characterized in that: The gripping and unloading device (2) also includes a robotic arm (5), and the mounting frame (61) is mounted on the robotic arm (5).

7. The injection pen assembly system according to claim 1, characterized in that: The inner wall of the clamping block (621) is provided with a flexible pad (7), and the side of the flexible pad (7) away from the clamping block (621) is provided with a clamping surface (71). The clamping surface (71) is in the shape of three arcs, wherein the radius of the circle corresponding to the middle arc is greater than the radius of the circle corresponding to the two side arcs.

8. The injection pen assembly system according to any one of claims 1 to 7, characterized in that: The conveying device (4) is equipped with a labeling device and a row blocking mechanism (9). The row blocking mechanism (9) is used to block a row of injection pens (10) in the conveying direction of the conveying device (4) and then release the row of injection pens (10).

9. The injection pen assembly system according to claim 8, characterized in that: The row blocking mechanism (9) includes a baffle (91) and a lifting drive assembly (92), wherein the baffle (91) is disposed on the lifting drive assembly (92).

Images