Lensless pipe cap suction device and lensless pipe cap packaging device

Abstract

The invention discloses a suction device for a lensless pipe cap and a packaging device for the lensless pipe cap, which are mainly used for blocking a first suction hole in a non-window area on the top surface of the pipe cap through an extending head and the first suction hole, and sucking the pipe cap from a window peripheral area through the first suction hole, so that manual clamping is not needed. According to the main technical scheme, the suction device for the lensless pipe cap comprises a device body and a stretching-in head, the stretching-in head is connected with the device body, and the end face of the end, away from the device body, of the stretching-in head is used for stretching into the surrounding face and making contact with the top face; the first suction holes penetrate through the end face of the end, away from the device body, of the stretching-in head. The first suction hole is used for corresponding to the periphery of the window in the top face so that the lensless pipe cap can be sucked from the periphery of the window. The suction device is mainly used for sucking the lens-free pipe cap.

Description

Technical Field

[0001] The present invention relates to the technical field of optical device packaging, and in particular to a suction device without a lens cap and a packaging device without a lens cap. Background Art

[0002] In semiconductor lasers, the tube cap serves as an optical receiving port to ensure the smooth transmission of optical signals, and plays a role in providing durable and reliable support for optical elements used for transmission and reception. In the packaging of the tube cap and the tube seat, the tube seat and the tube cap are placed on the packaging electrode through a robot and a suction device to achieve automatic packaging. However, the tube cap suction in the prior art can only be used for tube caps with lenses. After the emergence of lens-free tube cap solutions, the optical window of the tube cap has no lens seal, resulting in the inability of the existing suction method to form vacuum adsorption between the tube cap and the tube cap. The existing solution for moving lens-free tube caps has always adopted a manual operation mode, in which the tube cap is manually clamped and manually placed on the electrode for packaging. However, manual work is time-consuming and labor-intensive, and the yield is very low, and it is impossible to achieve fully automatic packaging of tube caps and rapid mass production. Summary of the invention

[0003] In view of this, in order to solve at least one of the aforementioned technical problems, the present invention provides a suction device without a lens cap and a packaging device without a lens cap.

[0004] In order to achieve the above object, the present invention mainly provides the following technical solutions:

[0005] In one aspect, the present invention provides a suction device for a lensless tube cap, which is used for suctioning a lensless tube cap. The lensless tube cap comprises a top surface and a surrounding surface arranged around the top surface. The top surface comprises a window. The suction device (100) comprises:

[0006] The device body (110) and the insertion head (120), wherein the insertion head (120) is connected to the device body (110), and an end surface of the insertion head (120) away from the device body (110) is used to be inserted between the surrounding surfaces and contact the top surface;

[0007] A plurality of first suction holes (101), wherein the first suction holes (101) penetrate through an end surface of the insertion head (120) away from the device body (110);

[0008] The first suction hole (101) is used to correspond to the outer periphery of the window on the top surface so as to suck the tube cap without a lens from the outer periphery of the window.

[0009] The suction device (100) further comprises a first vacuum chamber (102), a first end of the first suction hole (101) passes through an inner wall of the first vacuum chamber (102) to communicate with the first vacuum chamber (102), and a second end of the first suction hole (101) passes through an end surface of the insertion head (120) away from the device body (110).

[0010] The suction device (100) comprises a first axis, the first axis is used to pass through the midpoint of the window, and a plurality of first suction holes (101) are evenly distributed circumferentially around the first axis.

[0011] Wherein, the number of the first suction holes (101) is greater than ten.

[0012] Wherein, the inner diameter of the first suction hole (101) is greater than or equal to 0.2 mm and less than or equal to 0.4 mm.

[0013] In another aspect, the present invention provides a packaging device without a lens cap, comprising any of the above-mentioned suction devices without a lens cap, and

[0014] The packaging electrode (200) is used to absorb the lens-free tube cap moved and released by the absorption device (100).

[0015] Wherein, the packaged electrode (200) comprises a containing cavity (201) and a second suction hole (202);

[0016] The accommodating cavity (201) is adapted to the outer peripheral contour of the tube cap without a lens, the accommodating cavity (201) is used to accommodate the tube cap without a lens, and the inner wall of the accommodating cavity (201) is used to abut against the surrounding surface;

[0017] The second suction hole (202) passes through the inner wall of the accommodating cavity (201) so as to be in communication with the accommodating cavity (201);

[0018] The second suction hole (202) is used to correspond to the surrounding surface so that the lens-free tube cap can be sucked by the surrounding surface.

[0019] The second suction hole (202) comprises a vertical processing hole (2021) and a horizontal processing hole (2022); the first end of the vertical processing hole (2021) penetrates the package electrode (200); the second end of the vertical processing hole (2021) is connected to the horizontal processing hole (2022); the first end of the horizontal processing hole (2022) penetrates the inner wall of the accommodating cavity (201) to be connected to the accommodating cavity (201); and the second end of the horizontal processing hole (2022) penetrates the outer surface of the package electrode (200);

[0020] The packaging device also includes a sealing portion, which is connected to the packaging electrode (200) and seals the horizontal processing hole (2022) at the second end of the horizontal processing hole (2022).

[0021] The packaging electrode (200) comprises a second axis, the second axis is used to pass through the midpoint of the window, and a plurality of second suction holes (202) are evenly distributed circumferentially around the second axis.

[0022] Wherein, the packaged electrode (200) further comprises a second vacuum chamber (203);

[0023] The first end of the second suction hole (202) penetrates the inner wall of the second vacuum chamber (203) to communicate with the second vacuum chamber (203), and the second end of the second suction hole (202) penetrates the inner wall of the accommodating chamber (201).

[0024] The suction device for lensless tube caps and the packaging device for lensless tube caps proposed in the present invention provide an insertion head that can be inserted into the tube cap, and a first suction hole that passes through the insertion head and is close to the end face of the tube cap top face, so as to achieve the blocking of the first suction hole in the non-window area of ​​the top face of the tube cap, and then the vacuum device can be used to draw a vacuum in the first suction hole, so as to achieve the suction of the tube cap from the window peripheral area through the first suction hole, and achieve automatic suction of the tube cap without manual clamping. At the same time, the packaging electrode used in conjunction with the suction device has a second suction hole on the side wall of the accommodating cavity, and the surrounding surface blocks the second suction hole, and then the vacuum device can be used to draw a vacuum in the second suction hole, and the tube cap is fixed by suctioning the surrounding surface of the tube cap, and then the lensless tube cap is automatically picked up, moved and packaged, without manual operation, saving manpower and manual operation errors, and achieving automatic batch packaging. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A schematic structural diagram of a suction device without a lens cap provided by an embodiment of the present invention at a first viewing angle;

[0026] Figure 2 for Figure 1 A schematic cross-sectional structure diagram of a suction device without a lens cap at position BB is shown;

[0027] Figure 3 A schematic structural diagram of a suction device without a lens cap provided by an embodiment of the present invention at a second viewing angle;

[0028] Figure 4 A schematic structural diagram of a packaged electrode provided by an embodiment of the present invention at a first viewing angle;

[0029] Figure 5 for Figure 4 A schematic diagram of a cross-sectional structure of a packaged electrode at the DD position is shown;

[0030] Figure 6 A schematic structural diagram of a packaged electrode provided by an embodiment of the present invention at a second viewing angle. DETAILED DESCRIPTION

[0031] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the invention, the specific implementation method, structure, characteristics and effects of a suction device without a lens cap proposed by the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0032] On the one hand, if Figure 1-3 As shown, an embodiment of the present invention provides a suction device for a lensless tube cap, which is used for suctioning a lensless tube cap. The lensless tube cap includes a top surface and a surrounding surface arranged around the top surface. The surrounding surface extends to one side of the top surface, and then the surrounding surface and the top surface together constitute a cavity structure with an outer contour approximately cylindrical. The side of the surrounding surface away from the top surface encloses an opening for docking with a tube socket with a semiconductor chip to realize the packaging of the semiconductor chip. The top surface includes a window, or an opening, and the window is usually a circular window for passing light through the semiconductor chip, such as the emission and injection of light. It can be understood that the window is hollow and there is no lens or the like to block it. The window does not extend to the edge of the top surface, but is a certain distance away from the edge of the top surface.

[0033] The suction device (100) comprises: a device body (110) and an insertion head (120), wherein the insertion head (120) is connected to the device body (110), and an end surface of the insertion head (120) away from the device body (110) is used to be inserted between the surrounding surfaces and contact the top surface;

[0034] A plurality of first suction holes (101), wherein the first suction holes (101) penetrate through an end surface of the insertion head (120) away from the device body (110);

[0035] The first suction hole (101) is used to correspond to the outer periphery of the window on the top surface so as to suck the tube cap without a lens from the outer periphery of the window.

[0036] The suction device (100) is approximately cylindrical in structure as a whole, and the outer contour of the insertion head (120) is adapted to the inner contour formed by the surrounding surface of the lensless tube cap. More specifically, the insertion head (120) is a relatively regular cylindrical structure, and its outer diameter is smaller than the outer diameter of the device body (110). The device body (110) and the insertion head (120) are coaxially arranged, that is, the suction device (100) includes a first axis a, and in the process of sucking the lensless tube cap, the first axis a is used to pass through the midpoint of the window.

[0037] The end surface of the insertion head (120) away from the device body (110) is Figure 1-2The lowermost end surface shown in the figure, the end surface of the insertion head (120) away from the device body (110) is a plane and perpendicular to the first axis a of the suction device (100). The bottom end of the first suction hole (101) passes through the bottom end surface of the insertion head (120), and the other end of the first suction hole (101) is used to connect a vacuum device or a vacuum chamber, and the specific method will be introduced below. The first suction hole (101) can be a straight strip hole extending in the vertical direction, or it can also have other extension methods, such as a curved or inclined hole. The inner diameter of the first suction hole (101) can be uniform in the axial direction, or it can be variable as needed. The first suction hole (101) is used to correspond to the outer periphery of the window on the top surface, which means that when in use, the first suction hole (101) corresponds to the area between the edge of the window and the surrounding surface on the top surface. Alternatively, the plurality of first suction holes (101) are holes distributed circumferentially around the first axis a of the suction device (100), and the vertical distance between the point closest to the first axis a of any first suction hole (101) and the first axis a is greater than the distance from the midpoint of the window to the edge of the window. In some embodiments, the edge of the bottom end face of the insertion head (120) is chamfered, so that the insertion head (120) can enter between the surrounding surfaces more smoothly.

[0038] When in use, the top surface of the lensless tube cap is located at the bottom, the opening away from the top surface is facing upward, and the end of the insertion head (120) away from the device body (110) is facing downward. The insertion head (120) moves downward through the opening and enters between the surrounding surfaces, and then continues downward to contact the top surface. At this time, the edge of the first suction hole (101) on the end surface of the insertion head (120) will completely contact the top surface of the lensless tube cap, and then the top surface of the lensless tube cap will block the opening below the first suction hole (101), providing a sealed condition for vacuum adsorption. The window will be blocked by the plane portion between the first suction holes (101) on the end surface of the insertion head (120). The side wall of the insertion head (120) is in contact with the surrounding surface of the lensless tube cap, and then the insertion head (120) and the lensless tube cap are limited in the radial direction.

[0039] The height H1 of the insertion head (120) can be set according to the height of the lensless tube cap and process requirements, such as Figure 1 As shown, the height H1 of the insertion head (120) may be greater than or equal to 2 mm and less than or equal to 3 mm, such as 2.6 mm. The outer diameter L1 of the insertion head (120) may be 3.2 mm.

[0040] The suction device for lensless tube caps and the packaging device for lensless tube caps proposed in the present invention provide an insertion head that can be inserted into the tube cap, and a first suction hole that passes through the insertion head and is close to the end face of the tube cap top face, so as to achieve the blocking of the first suction hole in the non-window area of ​​the top face of the tube cap, and then the vacuum device can be used to draw a vacuum in the first suction hole, so as to achieve the suction of the tube cap from the window peripheral area through the first suction hole, and achieve automatic suction of the tube cap without manual clamping. At the same time, the packaging electrode used in conjunction with the suction device has a second suction hole on the side wall of the accommodating cavity, and the surrounding surface blocks the second suction hole, and then the vacuum device can be used to draw a vacuum in the second suction hole, and the tube cap is fixed by suctioning the surrounding surface of the tube cap, and then the lensless tube cap is automatically picked up, moved and packaged, without manual operation, saving manpower and manual operation errors, and achieving automatic batch packaging.

[0041] In one embodiment, the suction device (100) further includes a first vacuum chamber (102), a first end of the first suction hole (101) passes through an inner wall of the first vacuum chamber (102) to communicate with the first vacuum chamber (102), and a second end of the first suction hole (101) passes through an end surface of the insertion head (120) away from the device body (110).

[0042] The first vacuum chamber (102) is used to connect to external vacuum equipment, such as a vacuum pump, to achieve vacuum extraction. Figure 2 As shown, the top of the first vacuum chamber (102) passes through the top of the device body (110), and the bottom of the first vacuum chamber (102) extends to a preset distance from the end face of the insertion head (120) away from the device body (110). The size of the preset distance determines the length H2 of the first suction hole (101). For example, the length H2 of the first suction hole (101) can be greater than or equal to 0.8 mm and less than or equal to 1.2 mm, such as 1 mm. The specific structure of the inner wall of the first vacuum chamber (102) can be set according to the structure of the joint of the connected vacuum equipment.

[0043] In one embodiment, the plurality of first suction holes (101) are evenly distributed around the first axis a. The number of the first suction holes (101) can be set as required, but in order to ensure the stability of adsorption, the number of the first suction holes (101) should be greater than 10, such as Figure 3 The number of the first suction holes (101) is 12 as shown in the figure, or it may be 16, 20, etc. The first suction holes (101) are evenly distributed around the first axis a, so as to achieve uniform adsorption of the lensless tube cap in the circumferential direction, and avoid the lensless tube cap from being skewed or falling off due to uneven force.

[0044] The inner diameter R1 of the first suction hole (101) can be set according to the number of the first suction holes (101) and the distance between the edge of the window on the top surface and the surrounding surface, and the present application does not limit it. For example, in one embodiment, the inner diameter R1 of the first suction hole (101) is greater than or equal to 0.2 mm and less than or equal to 0.4 mm, such as 0.3 mm.

[0045] On the other hand, Figure 4-6 As shown, the present invention provides a packaging device for a lens-free tube cap, comprising any of the aforementioned lens-free tube cap suction devices (100), and a packaging electrode (200), wherein the packaging electrode (200) is used to suction the lens-free tube cap moved and released by the suction device (100).

[0046] The packaged electrode (200) is used in conjunction with the aforementioned suction device (100). The packaged device without a lens cap may also mainly include a first workpiece table, a second workpiece table, a first mechanical arm structure, a second mechanical arm structure, a lifting device, a vacuum device, and a controller. The controller is connected to the vacuum device, the first mechanical arm structure, the second mechanical arm structure, and the lifting device. The first mechanical arm structure is connected to the aforementioned suction device (100), the second mechanical arm structure is connected to a common tube seat suction piece in the prior art, and the lifting device is connected to the packaged electrode (200). The first mechanical arm structure and the second mechanical arm structure may include a plurality of components for realizing free movement, such as a rotary cylinder, a lifting cylinder, and a horizontal moving cylinder. The packaging device without lens caps, except for the suction device (100) and the packaging electrode (200) proposed in the present application, can adopt the packaging arrangement structure commonly used in the art. The suction device (100) and the packaging electrode (200) of the present application are universally installed on existing equipment. It is only necessary to remove the original parts used for suction caps and replace them with the suction device (100) of the present application, and replace the original upper electrode with the packaging electrode (200) of the present application. Personnel in the art can know without objection, and will not be repeated here. In addition, the packaging device without lens caps of the present application includes any of the suction devices (100) mentioned above, and includes the advantages of any of the suction devices (100) mentioned above, which will not be repeated here.

[0047] Hereinafter, a packaging electrode (200) and the main steps of performing a packaging using the packaging electrode (200) and the suction device (100) are described in conjunction with a more specific embodiment.

[0048] In one embodiment, the packaged electrode (200) comprises a receiving cavity (201) and a second suction hole (202). The receiving cavity (201) is adapted to the outer peripheral contour of the lensless tube cap, the receiving cavity (201) is used to receive the lensless tube cap, and the inner wall of the receiving cavity (201) is used to abut against the surrounding surface. The second suction hole (202) passes through the inner wall of the receiving cavity (201) to communicate with the receiving cavity (201). The second suction hole (202) is used to correspond to the surrounding surface so that the lensless tube cap is adsorbed by the surrounding surface.

[0049] The accommodating cavity (201) is a cylindrical cavity, and the packaged electrode (200) includes a second axis b. When the lensless tube cap is fixed, or when the lensless tube cap is located in the accommodating cavity (201), the second axis b is used to pass through the midpoint of the window. Figure 5 Taking the direction shown as an example, the accommodating cavity (201) penetrates the bottom end of the packaged electrode (200) to form an insertion port, which is used for the lensless tube cap to enter and exit the accommodating cavity (201). The inner diameter and axial height of the accommodating cavity (201) should ensure that the lensless tube cap can be located in the accommodating cavity (201) and achieve adsorption. That is, the surrounding wall of the lensless tube cap should block one side of the inner wall of the accommodating cavity (201) where the second suction hole (202) penetrates.

[0050] In a more specific embodiment, the inner diameter L2 of the accommodating cavity (201) may be 3.6 mm, the overall axial height H3 of the packaged electrode (200) may be 16 mm, and the distance H4 from the top wall of the accommodating cavity (201) to the top of the packaged electrode (200) may be 11 mm, that is, the axial height of the accommodating cavity (201) may be 4 mm. The height of the center of the opening formed by the second suction hole (202) penetrating the inner wall of the accommodating cavity (201) and the distance H5 from the top of the packaged electrode (200) may be 14.7 mm, thereby ensuring that the side wall of the lens-free tube cap can completely block the opening of the second suction hole (202) on the inner wall of the accommodating cavity (201). One end of the second suction hole (202) penetrates the inner wall of the accommodating cavity (201), and the other end of the second suction hole (202) is used to connect to a vacuum device, and the specific method will be described below.

[0051] When in use, a tube holder and a lensless tube cap are placed on the first worktable and the second worktable respectively, the second mechanical arm structure moves and picks up the tube holder on the first worktable, and then places it on the lower electrode, the packaging electrode (200) of the present application is the upper electrode, the first mechanical arm structure is connected to the suction device (100), the first mechanical arm structure moves and picks up the lensless tube cap on the second worktable through the suction device (100), after picking up, moves to the window center of the lensless tube cap of the packaging electrode (200) corresponding to the second axis b of the packaging electrode (200), flips the lensless tube cap so that the top surface of the lensless tube cap faces upward, moves the lensless tube cap upward, and the lensless tube cap enters the accommodating cavity (201) from the opening at the bottom end of the accommodating cavity (201), and then the surrounding surface of the lensless tube cap blocks the second suction hole (202). After the vacuum device of the packaged electrode (200) is started, the lensless tube cap will be fixed by the packaged electrode (200), the vacuum device of the suction device (100) can release the lensless tube cap, and the suction device (100) is moved away. The upper electrode is moved by the lifting device, and cooperates with the lower electrode to complete the welding of the laser light emitting lensless tube cap and the tube seat to form a finished product.

[0052] The structure of the second suction hole (202) can be various. For example, in one embodiment, the second suction hole (202) includes a vertical processing hole (2021) and a horizontal processing hole (2022). The first end of the vertical processing hole (2021) passes through the package electrode (200), and the second end of the vertical processing hole (2021) is connected to the horizontal processing hole (2022), specifically, the first end of the horizontal processing hole (2022) and the second end of the horizontal processing hole (2022) are connected. The first end of the horizontal processing hole (2022) passes through the inner wall of the accommodating cavity (201) to communicate with the accommodating cavity (201), and the second end of the horizontal processing hole (2022) passes through the outer surface of the package electrode (200). The axis of the horizontal processing hole (2022) is perpendicular to the second axis b of the package electrode (200), and the axis of the vertical processing hole (2021) is parallel to the second axis b of the package electrode (200). The packaging device also includes a sealing portion, which is connected to the packaging electrode (200) and seals the horizontal processing hole (2022) at the second end of the horizontal processing hole (2022).

[0053] The second suction hole (202) is divided into two straight holes, a vertical processing hole (2021) and a horizontal processing hole (2022), for processing, and the processing technology is simple and easy to implement. The vertical processing hole (2021) and the horizontal processing hole (2022) can be M1 threaded holes. For example, the inner diameter R2 of the horizontal processing hole (2022) can be 1 mm, and the inner diameter R3 of the vertical processing hole (2021) can be 1 mm. During processing, the vertical processing hole (2021) and the horizontal processing hole (2022) can be processed first, and then the accommodating cavity (201) can be processed to reduce the number of punching times and increase processing efficiency. The sealing part can be a sealing fluid such as a sealant, which is applied at the second end of the horizontal processing hole (2022) and then the second end of the horizontal processing hole (2022) is blocked.

[0054] In one embodiment, a plurality of second suction holes (202) are evenly distributed around the second axis b, thereby ensuring uniform adsorption of the lensless tube cap in the circumferential direction of the lensless tube cap, and preventing the lensless tube cap from tilting or being unstable. The number of second suction holes (202) can be set as needed, such as four. Specifically, during processing, two horizontal threaded holes can be cross-processed first, and then the accommodating cavity (201) can be processed to form four horizontal processing holes (2022), and then four vertical processing holes (2021) can be processed to penetrate the horizontal processing holes (2022).

[0055] In one embodiment, the packaged electrode (200) further comprises a second vacuum chamber (203). The first end of the second suction hole (202) penetrates the inner wall of the second vacuum chamber (203) to communicate with the second vacuum chamber (203), and the second end of the second suction hole (202) penetrates the inner wall of the accommodating chamber (201).

[0056] The second vacuum chamber (203) is used to connect to external vacuum equipment to achieve vacuum extraction. Figure 5 As shown, the top of the second vacuum chamber (203) penetrates the top of the package electrode (200), and the bottom of the second vacuum chamber (203) extends to a certain distance from the top of the accommodating chamber (201). The size of the distance determines the length of the vertical processing hole (2021). The axial length H6 of the second vacuum chamber (203) can be greater than or equal to 8 mm and less than or equal to 8.5 mm, such as 8.1 mm. The specific structure of the inner wall of the second vacuum chamber (203) can be set according to the structure of the joint of the connected vacuum equipment.

[0057] In addition, it is worth noting that the aforementioned embodiments of the present application all take the lensless tube cap as an example of an approximately cylindrical shape. In some embodiments, the lensless tube cap may also be a square column or other polygonal column. In this case, the structure of the insertion head (120) and the accommodating cavity (201) can be adapted according to the inner and outer contours of the lensless tube cap.

[0058] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A suction device for a lensless tube cap, used for suctioning a lensless tube cap, wherein the lensless tube cap comprises a top surface and a surrounding surface arranged around the top surface, wherein the top surface comprises a window, and wherein: The suction device (100) comprises: A device body (110) and an insertion head (120), wherein the insertion head (120) is connected to the device body (110), and an end surface of the insertion head (120) away from the device body (110) is used to extend between the surrounding surfaces and contact the top surface; A plurality of first suction holes (101), wherein the first suction holes (101) penetrate an end surface of the insertion head (120) away from the device body (110); The first suction hole (101) is used to correspond to the outer periphery of the window on the top surface so as to suck the lens-free tube cap from the outer periphery of the window.

2. The suction device without a lens cap according to claim 1, characterized in that: The suction device (100) further comprises a first vacuum chamber (102), a first end of the first suction hole (101) passing through an inner wall of the first vacuum chamber (102) to communicate with the first vacuum chamber (102), and a second end of the first suction hole (101) passing through an end surface of the insertion head (120) away from the device body (110).

3. The suction device without a lens cap according to claim 1, characterized in that: The suction device (100) comprises a first axis, the first axis is used to pass through the midpoint of the window, and a plurality of the first suction holes (101) are evenly distributed circumferentially around the first axis.

4. The suction device without a lens cap according to claim 1, characterized in that: The number of the first suction holes (101) is greater than ten.

5. The suction device without a lens cap according to claim 1, characterized in that: The inner diameter of the first suction hole (101) is greater than or equal to 0.2 mm and less than or equal to 0.4 mm.

6. A packaging device without a lens cap, characterized in that: A suction device (100) comprising the lens-free tube cap according to any one of claims 1 to 5, and A packaging electrode (200) is used to absorb the lensless tube cap moved and released by the absorption device (100).

7. The packaging device without a lens cap according to claim 6, characterized in that: The packaged electrode (200) comprises a containing cavity (201) and a second suction hole (202); The accommodating cavity (201) is adapted to the outer peripheral contour of the lens-free tube cap, the accommodating cavity (201) is used to accommodate the lens-free tube cap, and the inner wall of the accommodating cavity (201) is used to abut against the surrounding surface; The second suction hole (202) passes through the inner wall of the accommodating cavity (201) so as to be in communication with the accommodating cavity (201); The second suction hole (202) is used to correspond to the surrounding surface so that the lens-free tube cap can be adsorbed by the surrounding surface.

8. The packaging device without a lens cap according to claim 7, characterized in that: The second suction hole (202) comprises a vertical processing hole (2021) and a horizontal processing hole (2022); the first end of the vertical processing hole (2021) penetrates the package electrode (200); the second end of the vertical processing hole (2021) is connected to the horizontal processing hole (2022); the first end of the horizontal processing hole (2022) penetrates the inner wall of the accommodating cavity (201) to communicate with the accommodating cavity (201); and the second end of the horizontal processing hole (2022) penetrates the outer surface of the package electrode (200); The packaging device further comprises a sealing portion, which is connected to the packaging electrode (200) and seals the horizontal processing hole (2022) at the second end of the horizontal processing hole (2022).

9. The packaging device without a lens cap according to claim 7, characterized in that: The packaged electrode (200) comprises a second axis, the second axis is used to pass through the midpoint of the window, and a plurality of the second suction holes (202) are evenly distributed circumferentially around the second axis.

10. The packaging device without a lens cap according to claim 7, characterized in that: The packaged electrode (200) further comprises a second vacuum chamber (203); The first end of the second suction hole (202) passes through the inner wall of the second vacuum chamber (203) to communicate with the second vacuum chamber (203), and the second end of the second suction hole (202) passes through the inner wall of the accommodating chamber (201).

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