Silicone oil smearing device suitable for pre-filling needle packaging

Abstract

The utility model belongs to the field of pre-filling needle production, and provides a silicone oil smearing device suitable for pre-filling needle packaging, which comprises an auxiliary rotating assembly and oil absorption cotton, the auxiliary rotating assembly comprises a rotation driving belt, one side of the outer side face of the rotation driving belt faces a conveying star disc and can be in contact with a workpiece to be smeared, and the oil absorption cotton is arranged on the conveying star disc. The oil absorption cotton is located below the rotary driving belt, and the end face of one side of the oil absorption cotton faces the conveying star disc and can make contact with a workpiece to be smeared. The silicone oil smearing device suitable for pre-filling needle packaging is arranged on the outer side of the conveying astrolabe, comprises the oil absorption cotton and the auxiliary rotating assembly, is simple and compact in structure and small in occupied space, a safety device or a needle sleeve can make contact with the oil absorption cotton containing silicone oil when rotating along with the conveying astrolabe, and in the contact process, the safety device or the needle sleeve does not make contact with the oil absorption cotton. The mounting device or the needle sleeve rotates by the aid of the auxiliary rotating component, so that uniform smearing of silicone oil on the outer side of the safety device or the needle sleeve is realized.

Description

Technical Field

[0001] The utility model relates to a coating device, in particular to a silicone oil coating device suitable for pre-filled needle packaging. Background Art

[0002] During the packaging process of the prefilled needle, the safety device and the needle cover need to be coated with silicone oil. The traditional silicone oil coating method is to use an automatic atomizing nozzle plus an auxiliary rotating mechanism or a rotating coating head plus a conveying mechanism. The disadvantages of these two coating methods are that the operating structure occupies a large space and the silicone oil is unevenly coated. Utility Model Content

[0003] The purpose of the utility model is to overcome the existing defects, provide a silicone oil coating device suitable for pre-filled needle packaging, and solve the problems of large space occupied by the operating structure and uneven silicone oil coating in the current silicone oil coating work.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] A silicone oil smearing device suitable for prefilled needle packaging includes an auxiliary rotating component and oil-absorbing cotton, the auxiliary rotating component includes a rotating drive belt, one side of the outer side surface of the rotating drive belt faces the conveying star disk and can contact the workpiece to be smeared, the oil-absorbing cotton is located below the rotating drive belt, and the end face of one side of the oil-absorbing cotton faces the conveying star disk and can contact the workpiece to be smeared.

[0006] Furthermore, the auxiliary rotating component includes a fixed plate, and a driving pulley and a driven pulley that can rotate freely are arranged at intervals on the upper end surface of the fixed plate, and the outer sides of the driving pulley and the driven pulley are jointly sleeved with the rotating driving belt; the lower end surface of the fixed plate is provided with a swing shaft assembly below the driving pulley, and the swing shaft assembly includes a screwing swing shaft and a screwing bearing seat, the upper end of the screwing swing shaft is connected to the central axis of the driving pulley, and the lower end of the screwing swing shaft is connected to a rotating driving device via a screwing bearing seat.

[0007] The top end face of the fixing plate is provided with a belt tensioning assembly between the driving pulley and the driven pulley, and the belt tensioning assembly includes a swing arm fixing shaft, the lower end of the swing arm fixing shaft is connected to the upper end face of the fixing plate, the upper end of the swing arm fixing shaft is rotatably connected to the end of the swing arm, and the front end lower end face of the swing arm is rotatably connected to the tensioning wheel, and the swing arm fixing shaft, the swing arm and the tensioning wheel are all located on the inner side of the rotating drive belt, and the upper end face of the fixing plate is provided with a spring fixing column on the outer side of the rotating drive belt, a spring is provided between the spring fixing column and the swing arm, one end of the spring is connected to the spring fixing column, and the other end of the spring is connected to the swing arm, the spring is located above the rotating drive belt and the tensioning wheel contacts the inner side face of the rotating drive belt.

[0008] Furthermore, a limit plate is provided on the upper end surface of the fixing plate on the inner side of the rotating drive belt, and the limit plate is located behind the portion of the rotating drive belt that contacts the workpiece to be coated.

[0009] Furthermore, the oil-absorbing cotton is arranged on the lower end surface of the fixed plate, and at least one oil pipe interface is provided on the side of the oil-absorbing cotton facing away from the workpiece to be coated, and the other end of the oil pipe interface is connected to a silicone oil supply device through an oil supply pipeline.

[0010] Furthermore, four oil pipe interfaces are provided, which are evenly spaced apart on the outer side of the oil-absorbing cotton.

[0011] Furthermore, an oil receiving box is provided below the oil absorbing cotton and the oil pipe interface, and the oil receiving box is connected to the lower end surface of the fixing plate.

[0012] The utility model discloses a silicone oil smearing device suitable for prefilled needle packaging, which is arranged on the outer side of a conveying star disk and comprises oil-absorbing cotton and an auxiliary rotating component. The structure is simple and compact and the space occupied is small. When the conveying star disk rotates, the safety device or the needle sleeve will contact with the oil-absorbing cotton containing silicone oil. During the contact process, the auxiliary rotating component is used to make the mounting device or the needle sleeve rotate, thereby realizing uniform smearing of silicone oil on the outer side surface of the safety device or the needle sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0015] Figure 2 It is a bottom-up sectional schematic diagram of the utility model. DETAILED DESCRIPTION

[0016] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0017] like Figure 1 , 2 As shown, a silicone oil smearing device suitable for prefilled needle packaging includes an auxiliary rotating component and oil-absorbing cotton 1, the auxiliary rotating component includes a rotating drive belt 2, one side of the outer side surface of the rotating drive belt 2 faces the conveying star disk 3 and can contact the workpiece A to be applied, the oil-absorbing cotton 1 is located below the rotating drive belt 2, and the end face of one side of the oil-absorbing cotton 1 faces the conveying star disk 3 and can contact the workpiece A to be applied.

[0018] The auxiliary rotating assembly includes a fixed plate 4, on the upper end surface of which a driving pulley 5 and a driven pulley 6 that can rotate freely are arranged at intervals, and a rotating driving belt 2 is commonly sleeved on the outer sides of the driving pulley 5 and the driven pulley 6; on the lower end surface of the fixed plate 4, a swing shaft assembly is arranged below the driving pulley 5, and the swing shaft assembly includes a screwing swing shaft 7 and a screwing bearing seat 8, the upper end of the screwing swing shaft 7 is connected to the central axis of the driving pulley 5, and the lower end of the screwing swing shaft 7 is connected to a rotating driving device (not shown in the figure) through the screwing bearing seat 8, and the rotating driving device usually adopts a servo motor.

[0019] A belt tensioning assembly is provided on the upper end surface of the fixed plate 4 between the driving pulley 5 and the driven pulley 6, and the belt tensioning assembly includes a swing arm fixed shaft 10, the lower end of the swing arm fixed shaft 10 is connected to the upper end surface of the fixed plate 4, the upper end of the swing arm fixed shaft 10 is rotatably connected to the end of the swing arm 11, and the front lower end surface of the swing arm 11 is rotatably connected to the tensioning wheel 12, the swing arm fixed shaft 10, the swing arm 11 and the tensioning wheel 12 are all located on the inner side of the rotating drive belt 2, and a spring fixing column 13 is provided on the upper end surface of the fixed plate 4 on the outer side of the rotating drive belt 2, a spring 14 is provided between the spring fixing column 13 and the swing arm 11, one end of the spring 14 is connected to the spring fixing column 13, and the other end of the spring 14 is connected to the swing arm 11, the spring 14 is located above the rotating drive belt 2 and the tensioning wheel 12 contacts the inner side surface of the rotating drive belt 2.

[0020] The oil-absorbing cotton 1 is arranged on the lower end surface of the fixed plate 4. Four oil pipe interfaces 15 are evenly spaced on the side of the oil-absorbing cotton 1 facing away from the workpiece A to be coated. The other end of the oil pipe interface 15 is connected to a silicone oil supply device (not shown in the figure) through an oil supply pipeline (not shown in the figure).

[0021] Working principle:

[0022] The silicone oil supply device (the pressure and flow rate can be adjusted according to actual conditions) delivers the silicone oil to the oil-absorbing cotton 1 through the oil supply pipeline and the oil pipe interface 15. When the workpiece A to be coated moves with the conveying star plate 3 and passes through the oil-absorbing cotton 1, the silicone oil adheres to the surface of the workpiece through contact with the oil-absorbing cotton 1. At the same time, the upper part of the workpiece contacts the rotating drive belt 2 and rotates, so that the silicone oil can be evenly coated on the surface of the workpiece, completing the silicone oil coating operation.

[0023] The upper end surface of the fixing plate 4 is provided with a limit plate 16 on the inner side of the rotating drive belt 2, and the limit plate 16 is located behind the part where the rotating drive belt 2 contacts the workpiece A to be coated. The limit plate 16 ensures that the working position of the rotating drive belt 2 is stable, and at the same time ensures that the friction between the rotating drive belt 2 and the workpiece is maintained at a high level.

[0024] An oil receiving box 17 is provided below the oil absorbing cotton 1 and the oil pipe interface 15, and the oil receiving box 17 is connected to the lower end surface of the fixing plate 4 to prevent silicone oil from dripping and polluting the equipment and the environment.

[0025] The utility model discloses a silicone oil smearing device suitable for prefilled needle packaging, which is arranged on the outer side of a conveying star disk and comprises oil-absorbing cotton and an auxiliary rotating component. The structure is simple and compact and the space occupied is small. When the conveying star disk rotates, the safety device or the needle sleeve will contact with the oil-absorbing cotton containing silicone oil. During the contact process, the auxiliary rotating component is used to make the mounting device or the needle sleeve rotate, thereby realizing uniform smearing of silicone oil on the outer side surface of the safety device or the needle sleeve.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A silicone oil coating device suitable for prefilled needle packaging, characterized in that: It includes an auxiliary rotating component and oil-absorbing cotton. The auxiliary rotating component includes a rotating drive belt. One side of the outer side of the rotating drive belt faces the conveying star disk and can contact the workpiece to be coated. The oil-absorbing cotton is located below the rotating drive belt. The end face of one side of the oil-absorbing cotton faces the conveying star disk and can contact the workpiece to be coated.

2. A silicone oil coating device suitable for prefilled needle packaging according to claim 1, characterized in that: The auxiliary rotating assembly comprises a fixed plate, the upper end surface of which is provided with a driving pulley and a driven pulley capable of rotating freely, and the outer sides of the driving pulley and the driven pulley are jointly sleeved with the rotating driving belt; A swing shaft assembly is arranged on the lower end surface of the fixed plate below the driving pulley, and the swing shaft assembly includes a twisting swing shaft and a twisting bearing seat, the upper end of the twisting swing shaft is connected to the central axis of the driving pulley, and the lower end of the twisting swing shaft is connected to a rotating drive device through a twisting bearing seat.

3. A silicone oil coating device suitable for prefilled needle packaging according to claim 2, characterized in that: The upper end surface of the fixing plate is provided with a belt tensioning assembly between the driving pulley and the driven pulley, and the belt tensioning assembly includes a swing arm fixing shaft, the lower end of the swing arm fixing shaft is rotatably connected to the upper end surface of the fixing plate, the upper end of the swing arm fixing shaft is rotatably connected to the end of the swing arm, and the front lower end surface of the swing arm is rotatably connected to the tensioning wheel, and the swing arm fixing shaft, the swing arm and the tensioning wheel are all located at the inner side of the rotating drive belt, and the upper end surface of the fixing plate is provided with a spring fixing column on the outer side of the rotating drive belt, a spring is provided between the spring fixing column and the swing arm, one end of the spring is connected to the spring fixing column, and the other end of the spring is connected to the swing arm, the spring is located above the rotating drive belt and the tensioning wheel contacts the inner side surface of the rotating drive belt.

4. A silicone oil coating device suitable for prefilled needle packaging according to claim 2, characterized in that: The upper end surface of the fixing plate is provided with a limit plate on the inner side of the rotating drive belt, and the limit plate is located behind the portion of the rotating drive belt that contacts the workpiece to be coated.

5. A silicone oil coating device suitable for prefilled needle packaging according to claim 2, characterized in that: The oil-absorbing cotton is arranged on the lower end surface of the fixed plate, and at least one oil pipe interface is arranged on the side of the oil-absorbing cotton facing away from the workpiece to be coated, and the other end of the oil pipe interface is connected to a silicone oil supply device through an oil supply pipeline.

6. A silicone oil coating device suitable for prefilled needle packaging according to claim 5, characterized in that: The oil pipe interfaces are provided with four, which are evenly spaced and arranged on the outer side of the oil absorbing cotton.

7. The silicone oil coating device suitable for prefilled needle packaging according to claim 5, characterized in that: An oil receiving box is arranged below the oil absorbing cotton and the oil pipe interface, and the oil receiving box is connected to the lower end surface of the fixing plate.

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