CN113352734A

CN113352734A - Hole plugging printing device

Info

Publication number: CN113352734A
Application number: CN202110613022.5A
Authority: CN
Inventors: 华承金; 夏国祥
Original assignee: Guangdong Jiejun Electronic Technology Co ltd
Current assignee: Guangdong Jiejun Electronic Technology Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-09-07
Anticipated expiration: 2041-06-02
Also published as: CN113352734B

Abstract

The invention relates to a hole plugging printing device. The hole-plugging printing device of the invention comprises: the workbench is used for placing a circuit board and is provided with a first position and a second position above the first position; the silk-screen component is used for printing the circuit board; the lifting assembly drives the workbench to move up and down between the first position and the second position; the sealing frame does up-and-down displacement motion above the workbench and is positioned in the lifting range of the workbench; a support assembly located below the table, the support assembly not supporting the table when the table is in the first position; when the workbench is located at the second position, the supporting assembly supports the workbench, and the lower surface of the sealing frame is attached to the upper surface of the workbench.

Description

Hole plugging printing device

Technical Field

The invention relates to the field of manufacturing of PCB (printed circuit board), in particular to a hole plugging printing device.

Background

The surface of the PCB is porous, and it is necessary to fill resin into the pores on the surface thereof in order to smooth the surface, and a vacuum hole filling printer is commonly used in the art to fill the pores. In order to make the filling uniform, the printer prints in a vacuum state, and fills the resin to the depth of the hole by a pressure difference generated by reducing the degree of vacuum. For example, it is cumbersome to install a printer in a container having a sealed structure, open a door of the container, carry a table on which a printed wiring board is mounted into the container, perform printing while evacuating the container by a vacuum pump in a state where the door is closed, and open the door after printing to take out the printed circuit board and perform the next printing.

In the using process, after one hole plugging process flow of each PCB is finished, the vacuum degree of the working environment of the whole printing main bin needs to be damaged, so that the next flow needs to take a longer time to vacuumize, and the production can be continued when the working vacuum degree is reached. When the vacuum is broken every time, the atmosphere frequently contacts with the printing ink, the risk that the quality of the resin printing ink is unstable is increased, and the quality stability of the PCB printing is influenced.

To solve this problem, the vacuum printing machine on the market at present adopts two solutions, the first solution can be referred to chinese patent No. CN1277673C, and the second solution can be referred to chinese patent No. CN 105034553B. However, the following technical problems still exist.

If the technical scheme recorded in Chinese patent No. CN1277673C is adopted, the technical scheme is that a working table is driven to lift through a cylinder, and the isolation and sealing of large and small vacuum chambers are realized. After the sealing door is opened, the support of the workbench is completed by the air cylinder, at the moment, the external air pressure is greater than the air pressure inside the printing machine, the external air pressure can apply downward pressure to the workbench, the workbench tends to move downwards, and therefore the sealing performance between the workbench and a communication opening of the printing machine is reduced.

If the technical scheme recorded in the Chinese patent No. CN105034553B is adopted, the technical scheme is that the isolation frame is driven to lift through the air cylinder, and isolation and sealing of the large vacuum chamber and the small vacuum chamber are realized. Because the lifting of the isolation frame occupies the space in the small vacuum chamber, the space in the small vacuum chamber is larger, so that the breaking and the vacuumizing of the small vacuum chamber both take longer time (the vacuumizing time is about 10-15S), and the corresponding production efficiency is lower.

Disclosure of Invention

Accordingly, an object of the present invention is to provide a hole plugging printing apparatus having advantages of high airtightness and short evacuation time of a small vacuum chamber.

A receptacle printing device, the receptacle printing device comprising:

the workbench is used for placing a circuit board and is provided with a first position and a second position above the first position;

the silk-screen component is used for printing the circuit board;

the lifting assembly drives the workbench to move up and down between the first position and the second position;

the sealing frame does up-and-down displacement motion above the workbench and is positioned in the lifting range of the workbench;

a support assembly located below the table, the support assembly not supporting the table when the table is in the first position; when the workbench is located at the second position, the supporting assembly supports the workbench, and the lower surface of the sealing frame is attached to the upper surface of the workbench.

Compared with the prior art, the hole plugging printing device provided by the invention has the advantages that the workbench is lifted to the second position from the first position by the lifting assembly, and when the workbench is at the second position, the lower surface of the sealing frame is attached to the upper surface of the workbench, so that the small vacuum chamber and the large vacuum chamber of the hole plugging printing device are hermetically and separately switched. The table is then supported by a support assembly that maintains the table in the second position, thereby ensuring the hermeticity of the receptacle printing device. After the small vacuum chamber of the hole plugging printing device is subjected to vacuum breaking, the air pressure in the small vacuum chamber applies downward pressure to the workbench and the sealing frame, the workbench is supported by the supporting assembly and fixed, and the sealing frame moves downward under the action of the air pressure, so that the sealing frame can be attached to the workbench more closely, and the air tightness of the hole plugging printing device is further improved. In addition, a lifting device is not required to be arranged in the small vacuum chamber of the hole plugging printing device, so that the space of the small vacuum chamber can be reduced, the vacuum breaking or vacuumizing time of the small vacuum chamber is shortened, and the production efficiency of the hole plugging printing device is effectively improved. In addition, the workbench is lifted upwards by the lifting assembly, so that the materials can be conveniently and manually taken and placed.

Further, the workbench has a third position located above the second position, when the workbench is located at the third position, the support assembly does not support the workbench, and the lower surface of the sealing frame is attached to the upper surface of the workbench.

Further, the bottom of the workbench is provided with a supporting surface, and when the workbench is in the first position, the supporting assembly and the supporting surface are staggered; when the workbench is at the second position, the support component is abutted against the support surface.

Further, a first supporting piece is arranged at the bottom of the workbench, and the bottom end face of the first supporting piece forms the supporting face; the support assembly comprises a second support member, and when the workbench is in the first position, the second support member and the first support member are staggered; when the workbench is in the second position, the top end of the second supporting piece is propped against the bottom end of the first supporting piece.

Further, the support assembly comprises a guide rail, a bracket, a power source and a second support piece, the guide rail is horizontally arranged, the bracket is arranged on the guide rail in a sliding manner, the power source drives the bracket to horizontally move, and the second support piece is arranged on the bracket; when the workbench is in the first position, the second supporting piece and the supporting surface are staggered; when the workbench is at the second position, the second supporting piece is moved to the position below the supporting surface, and the top end of the second supporting piece abuts against the supporting surface.

Further, the support includes girder, crossbeam, the girder with the power supply is connected, the girder slides and sets up on the guide rail, crossbeam detachably installs on the girder, second support piece sets up on the crossbeam.

Furthermore, the workbench is provided with a first air guide plate and a second air guide plate, the taphole printing device comprises two support components, one support component is supported below the first air guide plate, and the other support component is supported below the second air guide plate.

Furthermore, the taphole printing device further comprises a horizontal displacement component, the horizontal displacement component drives the workbench to horizontally displace to the first position, and the distribution directions of the first air guide plate and the second air guide plate on the workbench are mutually perpendicular to the horizontal displacement direction of the workbench.

Further, the hole plugging printing device also comprises a bin body, and the bin body is provided with a communication opening; the sealing frame includes: the frame body is positioned in the communication opening and is of a hollow annular structure; and the flanging extends outwards from the upper side of the frame body and is pressed against the surface of the periphery of the communication opening.

Further, a first seal is provided between the flange and the outer peripheral surface of the communication opening, and a second seal is provided between the frame and the table;

when the work table is at the second position, the first seal is pressed by the flange and the surface of the outer periphery of the communication opening, and the second seal is pressed by the frame and the work table.

Further, when the table is at a third position, the first seal is pressed by the flange and the surface of the outer periphery of the communication opening, and the second seal is pressed by the frame and the table.

Furthermore, a first limiting part is arranged above the sealing frame, a second limiting part is arranged below the sealing frame, and the sealing frame moves up and down between the first limiting part and the second limiting part.

Further, the hole plugging printing device also comprises a bin body, the bin body is provided with a communication opening, and the second limiting part is arranged on the peripheral side of the communication opening; the sealing frame is arranged in the communicating opening, the sealing frame is provided with a flanging, the flanging is pressed on the second limiting portion in a propping manner, a mounting hole is formed in the flanging, a guide piece is inserted in the mounting hole, the first limiting portion is positioned above the mounting hole, and the first limiting portion extends outwards from the peripheral wall of the guide piece to the outer peripheral side of the mounting hole.

Furthermore, a threaded hole corresponding to the mounting hole is formed in the bin body, a through hole corresponding to the threaded hole and allowing a bolt to pass through is formed in the guide piece, and the guide piece is mounted on the bin body through the bolt.

Further, the taphole printing device further comprises a horizontal displacement component, the horizontal displacement component drives the workbench to horizontally displace to the first position, and the support component is not in the movable range of the horizontal displacement of the workbench.

For a better understanding and practice, the invention is described in detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural diagram of a jack printing device according to an embodiment;

FIG. 2 is an exploded view of the printing device of the embodiment;

FIG. 3 is a schematic view of the connection between the communication opening and the lid according to the embodiment;

FIG. 4 is a schematic structural diagram of a sealing frame according to an embodiment;

FIG. 5 is a top schematic view of a work table according to an embodiment;

FIG. 6 is a bottom view of the working table according to the embodiment;

FIG. 7 is a schematic structural diagram of a support assembly according to an embodiment;

FIG. 8 is a schematic view of an exemplary embodiment of a table in a first position;

FIG. 9 is an enlarged schematic view at A of FIG. 8;

FIG. 10 is a schematic view of the third position of the table according to the embodiment;

FIG. 11 is a schematic view of the table according to the embodiment in a second position;

reference numerals:

1. a bin body; 11. a communication opening; 12. a bin cover; 13. a first seal groove; 14. a threaded hole; 2. a work table; 21. a support surface; 22. a first support member; 23. a second seal groove; 24. a first air guide plate; 25. a second air guide plate; 3. a horizontal displacement assembly; 4. a lifting assembly; 5. a sealing frame; 51. a first limiting part; 52. a second limiting part; 53. a frame body; 54. flanging; 541. mounting holes; 55. a guide member; 551. a through hole; 56. a bolt; 6. a support assembly; 61. a guide rail; 62. a support; 621. a main beam; 622. a cross beam; 63. a power source; 64. a second support member.

Detailed Description

A hole plugging printing device, as shown in figures 1 to 11, comprises a bin body 1, wherein the bin body 1 is provided with a communicating opening 11, a bin cover 12 is hinged on the bin body 1, the bin cover 12 is positioned on one side of the communicating opening 11, and the bin cover 12 covers the communicating opening 11 so as to form a closed space inside the bin body 1. A workbench 2, a silk screen printing component (not shown), a horizontal displacement component 3, a lifting component 4, a sealing frame 5 and a supporting component 6 are arranged in the bin body 1. The workbench 2 is used for placing a circuit board, the workbench 2 is arranged below the communication opening 11, the workbench 2 is provided with a first position and a second position in the vertical direction right below the communication opening 11, and the second position is located right above the first position. The silk screen printing component is arranged above the workbench 2, the silk screen printing component applies certain pressure to ink on the silk screen frame through the scraper, the scraper moves towards the other end of the silk screen frame at a constant speed, and the ink is extruded into holes of the printed circuit board by the scraper from pattern holes of the silk screen frame in the movement of the scraper. The horizontal displacement assembly 3 drives the workbench 2 to reciprocate and horizontally move between the position below the screen printing assembly and the position below the communication opening 11. Lifting unit 4 sets up in the below of workstation 2, and lifting unit 4 is located intercommunication opening 11 under, and lifting unit 4 drive workstation 2 oscilaltion between primary importance and second place. The sealing frame 5 is arranged in the communicating opening 11, the sealing frame 5 moves up and down in the communicating opening 11, and the sealing frame 5 is in the lifting range of the workbench 2. The support assembly 6 is arranged below the workbench 2, the support assembly 6 is positioned below the communication opening 11, the support assembly 6 is not in the moving range of the horizontal displacement of the workbench 2, and the support assembly 6 is used for supporting the workbench 2 at the second position.

The step of picking and placing the circuit board by the hole plugging printing device in the embodiment sequentially comprises the following steps:

s1, the horizontal displacement assembly 3 transports the workbench 2 to the position right below the communication opening 11, at the moment, the workbench 2 is located at the first position, the supporting assembly 6 and the lifting assembly 4 do not provide vertical upward supporting force for the workbench 2, and the workbench 2 is supported by the horizontal displacement assembly 3;

s2, the lifting component 4 lifts the workbench 2 from the first position to the second position, when the workbench 2 is at the second position, the lower surface of the sealing frame 5 is attached to the upper surface of the workbench 2, at this time, the closed space formed by the bin body 1, the sealing frame 5 and the workbench 2 is a large vacuum chamber, the closed space formed by the bin cover 12, the sealing frame 5 and the workbench 2 is a small vacuum chamber, and the gas isolation between the large vacuum chamber and the small vacuum chamber is realized;

s3, supporting the workbench 2 by the support assembly 6, wherein the support assembly 6 keeps the workbench 2 at the second position, so that the air tightness between the small vacuum chamber and the large vacuum chamber is ensured;

s4, breaking vacuum of the small vacuum chamber, increasing air pressure in the small vacuum chamber, applying downward pressure to the workbench 2 and the sealing frame 5 by the air pressure in the small vacuum chamber, supporting the workbench 2 by the supporting component 6 to be fixed, and moving the sealing frame 5 downward under the action of the air pressure, so that the sealing frame 5 can be attached to the workbench 2 more closely, and the air tightness between the small vacuum chamber and the large vacuum chamber is further improved;

and S5, after the vacuum is broken, manually or automatically opening the bin cover 12 to carry out the operation procedure of taking and placing the circuit board.

Further, the table 2 has a third position in the vertical direction directly below the communication opening 11, the third position being directly above the second position. Specifically, in the above steps, the lifting assembly 4 firstly lifts the workbench 2 from the first position to the third position, when the workbench 2 is at the third position, the lower surface of the sealing frame 5 is attached to the upper surface of the workbench 2, and the support assembly 6 and the horizontal displacement assembly 3 do not provide a vertically upward supporting force for the workbench 2, and only the lifting assembly 4 provides a vertically upward supporting force for the workbench 2; then the supporting component 6 is pushed out, so that the supporting component 6 is within the lifting range of the workbench 2; and finally, the workbench 2 is descended from the third position to the second position under the action of the gravity of the lifting component 4 or the workbench 2, and when the workbench 2 is positioned at the second position, the lower surface of the sealing frame 5 is attached to the upper surface of the workbench 2.

Referring to fig. 1 to 11, the bottom of the work table 2 has a support surface 21, and when the work table 2 is in the first position, the support assembly 6 and the support surface 21 are staggered from each other, so as to avoid interference between the work table 2 and the support assembly 6 during horizontal displacement; when the table 2 is in the second position, the support member 6 abuts against the support surface 21 to ensure that the table 2 does not move downward in the second position.

Specifically, a first support 22 is provided at the bottom of the table 2, and a bottom end surface of the first support 22 constitutes the support surface 21. The supporting assembly 6 comprises a guide rail 61, a bracket 62, a power source 63 and a second supporting piece 64, wherein the guide rail 61 is horizontally arranged in the bin body 1, the bracket 62 is slidably arranged on the guide rail 61, the power source 63 drives the bracket 62 to horizontally move, and the second supporting piece 64 is arranged on the bracket 62. When the table 2 is in the first position, the second support 64 is offset from the first support 22. When the working platform 2 is at the second position, the second supporting member 64 is moved to a position below the first supporting member 22, and the top end surface of the second supporting member 64 is abutted against the bottom end surface of the first supporting member 22.

More specifically, the support 62 includes a main beam 621, a plurality of cross beams 622. Wherein, the main beam 621 is connected with the power source 63, and the main beam 621 is slidably disposed on the guide rail 61. The cross beam 622 is detachably mounted on the main beam 621, and the length direction of the cross beam 622 is perpendicular to the length direction of the main beam 621. The second support 64 is disposed on the cross member 622.

Referring to fig. 1 to 11, in order to limit the vertical floating range of the sealing frame 5, a first stopper 51 is provided above the sealing frame 5, a second stopper 52 is provided below the sealing frame 5, and the sealing frame 5 is vertically displaced between the first stopper 51 and the second stopper 52. Specifically, the second stopper portion 52 is provided on the outer peripheral side of the communication opening 11, and in the present embodiment, the second stopper portion 52 is a face of the outer periphery of the communication opening 11. The sealing frame 5 includes a frame body 53 and a flange 54, the frame body 53 is located in the communication opening 11, the frame body 53 is a hollow annular structure, the flange 54 horizontally extends outward from the upper end side of the frame body 53, and the flange 54 is pressed against the surface of the outer periphery of the communication opening 11. The flange 54 is provided with a mounting hole 541, a guide 55 is inserted into the mounting hole 541, the first stopper 51 is positioned above the mounting hole 541, and the first stopper 51 extends horizontally outward from the peripheral wall of the guide 55 to the outer peripheral side of the mounting hole 541. With the above configuration, the seal frame 5 floats up and down along the guide 55, while the first stopper portion 51 restricts the highest height of the seal frame 5 moving upward, and the surface of the outer periphery of the communication opening 11 restricts the lowest height of the seal frame 5 moving downward.

Specifically, in order to fix the guide 55 to the cartridge body 1, threaded holes 14 corresponding to the mounting holes 541 are provided on the cartridge body 1, the guide 55 is provided with through holes 551 corresponding to the threaded holes 14 and through which the bolts 56 pass, and the guide 55 is mounted on the face of the outer periphery of the communication opening 11 by the bolts 56.

More specifically, in order to improve the airtightness between the large and small vacuum chambers, a first seal (not shown) is provided between the flange 54 and the outer peripheral surface of the communication opening 11, a second seal (not shown) is provided between the frame body 53 and the table 2, a space in which the seal frame 5 vertically floats is within a deformation range of the first seal, and a space in which the seal frame 5 vertically floats is within a deformation range of the second seal. That is, when the table 2 is in the first position, the first seal is pressed by the flange 54 with the surface of the outer periphery of the communication opening 11, and the second seal is not in contact with the table 2 and is in a relaxed state; when the table 2 is in the third position, the first seal is pressed by the flange 54 and the surface of the outer periphery of the communication opening 11, and the second seal is pressed by the frame 53 and the table 2; when the table 2 is at the second position, the first seal is pressed by the flange 54 against the outer peripheral surface of the communication opening 11, and the second seal is pressed by the frame 53 against the table 2. In the present embodiment, a first seal is provided on the face of the outer periphery of the communication opening 11, and a second seal is provided on the table 2; specifically, a first seal groove 13 for placing a first seal is provided on the surface of the outer periphery of the communication opening 11, and a second seal groove 23 for placing a second seal is provided on the top surface of the table 2.

Referring to fig. 1 to 11, the worktable 2 has a first air guide plate 24 and a second air guide plate 25, and the distribution direction of the first air guide plate 24 and the second air guide plate 25 on the worktable 2 is perpendicular to the horizontal displacement direction of the worktable 2. The taphole printing apparatus comprises two support members 6, one support member 6 being supported directly below the first air guide 24 and the other support member 6 being supported directly below the second air guide 25 when the table 2 is in the third position. Through the design, the whole length of the plug hole printing device can be reduced, and the stability of the supporting component 6 for supporting the workbench 2 can be ensured.

Referring to fig. 1 to 11, the lifting assembly 4 includes at least two cylinders, the at least two cylinders are located below the working table 2, at least one cylinder is disposed below the first air guide plate 24, and at least one cylinder is disposed below the second air guide plate 25.

In addition, for the specific structure of the bin body 1, the workbench 2, the screen printing assembly and the horizontal displacement assembly 3, chinese patent numbers CN1277673C, CN105034553B, CN201620535841.7, CN202110424703.7, CN202022692673.1 and CN 202010768318.X can be referred to, and are not described herein again.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. A jack printing device, said jack printing device comprising:

the workbench (2) is used for placing a circuit board, and the workbench (2) is provided with a first position and a second position above the first position;

the silk-screen component is used for printing the circuit board;

the lifting component (4) drives the workbench (2) to move up and down between the first position and the second position;

the sealing frame (5) moves up and down above the workbench (2), and the sealing frame (5) is positioned in the lifting range of the workbench (2);

a support assembly (6), said support assembly (6) being located below said table (2), said support assembly (6) not supporting said table (2) when said table (2) is in said first position; when the workbench (2) is located at the second position, the supporting assembly (6) supports the workbench (2), and the lower surface of the sealing frame (5) is attached to the upper surface of the workbench (2).

2. The receptacle printing device of claim 1, wherein:

the workbench (2) is provided with a third position above the second position, when the workbench (2) is arranged at the third position, the supporting component (6) does not support the workbench (2), and the lower surface of the sealing frame (5) is attached to the upper surface of the workbench (2).

3. The receptacle printing device according to claim 1 or 2, wherein:

the bottom of the workbench (2) is provided with a supporting surface (21), and the supporting component (6) and the supporting surface (21) are mutually staggered when the workbench (2) is in the first position; when the workbench (2) is at the second position, the supporting component (6) is abutted against the supporting surface (21).

4. The receptacle printing device of claim 3, wherein:

a first supporting piece (22) is arranged at the bottom of the workbench (2), and the bottom end surface of the first supporting piece (22) forms the supporting surface (21); the support assembly (6) comprises a second support (64), the second support (64) being mutually staggered with respect to the first support (22) when the table (2) is in the first position; when the workbench (2) is at the second position, the top end of the second support part (64) is propped against the bottom end of the first support part (22).

5. The receptacle printing device of claim 3, wherein:

the supporting assembly (6) comprises a guide rail (61), a bracket (62), a power source (63) and a second supporting piece (64), wherein the guide rail (61) is horizontally arranged, the bracket (62) is arranged on the guide rail (61) in a sliding manner, the power source (63) drives the bracket (62) to horizontally move, and the second supporting piece (64) is arranged on the bracket (62); -when the table (2) is in the first position, the second support (64) is mutually staggered with respect to the support surface (21); when the work table (2) is in the second position, the second support (64) is moved below the support surface (21), the top end of the second support (64) abutting against the support surface (21).

6. The receptacle printing device of claim 5, wherein:

support (62) include girder (621), crossbeam (622), girder (621) with power supply (63) are connected, girder (621) slide and set up on guide rail (61), crossbeam (622) detachably installs on girder (621), second support piece (64) set up on crossbeam (622).

7. The receptacle printing device according to claim 1 or 2, wherein:

the workbench (2) is provided with a first air guide plate (24) and a second air guide plate (25), the hole plugging printing device comprises two supporting components (6), one supporting component (6) is supported below the first air guide plate (24), and the other supporting component (6) is supported below the second air guide plate (25).

8. The receptacle printing device of claim 7,

the hole plugging printing device further comprises a horizontal displacement component (3), the horizontal displacement component (3) drives the workbench (2) to horizontally displace to the first position, and the distribution directions of the first air guide plate (24) and the second air guide plate (25) on the workbench (2) are perpendicular to the horizontal displacement direction of the workbench (2).

9. The receptacle printing device of claim 2,

the hole plugging printing device also comprises a bin body (1), wherein the bin body (1) is provided with a communication opening (11);

the sealing frame (5) includes:

a frame (53), wherein the frame (53) is positioned in the communication opening (11), and the frame (53) is a hollow annular structure;

and the flange (54), the flange (54) extends outwards from the upper side of the frame body (53), and the flange (54) is pressed against the surface of the outer periphery of the communication opening (11).

10. The receptacle printing device of claim 9, wherein:

a first seal is provided between the flange (54) and the outer peripheral surface of the communication opening (11), and a second seal is provided between the frame (53) and the table (2);

when the work table (2) is in the second position, the first seal is pressed by the flange (54) and the surface of the outer periphery of the communication opening (11), and the second seal is pressed by the frame (53) and the work table (2).

11. The receptacle printing device of claim 10, wherein:

when the work table (2) is in the third position, the first seal is pressed by the flange (54) and the surface of the outer periphery of the communication opening (11), and the second seal is pressed by the frame (53) and the work table (2).

12. The receptacle printing device according to claim 1 or 2, wherein:

the sealing structure is characterized in that a first limiting part (51) is arranged above the sealing frame (5), a second limiting part (52) is arranged below the sealing frame (5), and the sealing frame (5) moves up and down between the first limiting part (51) and the second limiting part (52).

13. The receptacle printing device of claim 12, wherein:

the hole plugging printing device further comprises a bin body (1), the bin body (1) is provided with a communication opening (11), and the second limiting part (52) is arranged on the periphery side of the communication opening (11);

the sealing frame (5) is arranged in the communicating opening (11), the sealing frame (5) is provided with a flanging (54), the flanging (54) is pressed against the second limiting part (52), the flanging (54) is provided with a mounting hole (541), a guide part (55) is inserted into the mounting hole (541), the first limiting part (51) is positioned above the mounting hole (541), and the first limiting part (51) extends outwards from the peripheral wall of the guide part (55) to the outer peripheral side of the mounting hole (541).

14. The receptacle printing device of claim 13, wherein:

the bin body (1) is provided with a threaded hole (14) corresponding to the mounting hole (541), the guide piece (55) is provided with a through hole (551) corresponding to the threaded hole (14) and allowing a bolt (56) to pass through, and the guide piece (55) is mounted on the bin body (1) through the bolt (56).

15. The receptacle printing device according to claim 1 or 2, wherein:

the hole plugging printing device further comprises a horizontal displacement component (3), the horizontal displacement component (3) drives the workbench (2) to horizontally displace to the first position, and the supporting component (6) is not in the moving range of the workbench (2) in horizontal displacement.