Automatic ink feeding device for tunnel furnace

By designing an ink spraying device with sliding structure and threaded connection, the inconvenience of ink tank replacement and dustproofing of the ink injection pipe is solved, the automatic ink loading and dustproofing effect is achieved, and the efficiency and quality of ink spraying in tunnel furnaces is improved.

CN223252603UActive Publication Date: 2025-08-22GUANGDONG YANTU INTELLIGENT EQUIP CO LTD
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Patent Information

Application Number
CN202422421281.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-08
Publication Date
2025-08-22
Estimated Expiration
2034-10-08

AI Technical Summary

Technical Problem

The existing tunnel furnace automatic ink loading device is inconvenient to replace the ink tank according to actual processing needs, and the injecting pipe lacks dust protection, which affects the spraying efficiency and quality.

Method used

A device including ink sprayer, ink disc, connecting pipe, limit block, ink box, feeding pipe, dustproof cover and other components is designed. The ink box is conveniently replaced and automatic loading of the ink box through sliding structure and threaded connection, and dustproof protection of the feeding pipe is achieved through sealing plugs and bump structures.

Benefits of technology

It realizes convenient replacement and automatic loading of ink tanks, improves spraying efficiency, ensures the dustproof effect of the injecting tubes, and improves the quality of ink spraying processing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automatic ink feeding device for a tunnel furnace, which relates to the field of ink feeding for tunnel furnace preprocessing, and comprises an ink spraying machine, an ink disc is mounted at the top of the ink spraying machine, a connecting pipe is mounted on one side of the ink disc, a side plate is fixedly connected to the top of the ink disc, and the side plate is fixedly connected to the bottom of the ink disc. A sliding block is movably connected into the side plate, a limiting block is fixedly connected to the outer wall of the sliding block, an ink box is installed in the ink disc, a limiting groove is formed in one side of the ink box, and the ink box is moved to be clamped and inserted into the ink disc, the limiting block is pushed, and the limiting block is driven to be inserted into the limiting groove for limiting. The printing ink box is installed, the effect of conveniently replacing and installing the printing ink boxes with different colors is achieved, printing ink can be automatically fed, a dustproof cover is moved, a sealing plug is inserted into a material injection pipe, the dustproof cover is installed on the outer wall of the material injection pipe, and the effect of conveniently conducting dustproof protection on the material injection pipe is achieved.
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Description

Technical Field

[0001] The utility model relates to the field of tunnel furnace pre-processing ink feeding, in particular to an automatic ink feeding device for a tunnel furnace. Background Art

[0002] A tunnel oven is a device that bakes products through heat conduction, convection, and radiation. When manufacturing printed circuit boards, before the printed circuit boards are dried through the tunnel oven, they need to be printed with ink at a specific stage and then enter the tunnel oven for curing and other treatments. The ink spraying pretreatment of the printed circuit boards is often completed on the conveyor device of the tunnel oven. The current ink spraying device is inconvenient to replace and install the ink box according to actual processing needs, which makes it inconvenient to automatically load the ink. Therefore, an automatic ink loading device for a tunnel oven is needed.

[0003] The existing tunnel furnace ink automatic feeding device is inconvenient to replace and install the ink box according to actual processing needs during use, which affects the efficiency of ink spraying on the printed circuit board and the subsequent drying process. It is also inconvenient to perform dust protection on the filling pipe of the ink box, which affects the quality of the ink spraying process. Therefore, an automatic ink feeding device for a tunnel furnace is urgently needed. Utility Model Content

[0004] Based on this, the purpose of this utility model is to provide a tunnel furnace ink automatic feeding device to solve the problem that the existing tunnel furnace ink automatic feeding device is inconvenient to replace and install the ink box according to actual processing requirements and is inconvenient to perform dust protection on the filling pipe of the ink box.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic ink feeding device for a tunnel furnace, comprising an ink sprayer, an ink tray installed on the top of the ink sprayer, a connecting pipe installed on one side of the ink tray, a side plate fixedly connected to the top of the ink tray, a slider movably connected to the inside of the side plate, a limiting block fixedly connected to the outer wall of the slider, an ink box installed inside the ink tray, and a limiting groove opened on one side of the ink box.

[0006] The top of the ink box is fixedly connected with a filling tube, the inner wall of the filling tube is provided with a slot, the outer wall of the filling tube is installed with a dust cover, the inner wall of the dust cover is fixedly connected with a sealing plug, and the outer wall of the sealing plug is fixedly connected with a bump.

[0007] The bottom of the ink sprayer is fixedly connected to a support plate, the bottom of the support plate is fixedly connected to an insert block, bolts are installed inside the support plate, a tunnel furnace conveyor is installed at the bottom of the support plate, and threaded holes are opened inside the tunnel furnace conveyor.

[0008] Preferably, the side panels are slotted, and the side panels and the sliders form a sliding structure.

[0009] Preferably, the sliding block is symmetrically arranged with respect to the central axis of the limiting block, and the limiting block is engaged with the ink box via a limiting groove.

[0010] Preferably, the dust cover is connected to the injection tube by a sealing plug, and the protrusion is elastically arranged.

[0011] Preferably, the protrusion is engaged with the injection tube through a slot, and the protrusion is symmetrically arranged with respect to the central axis of the sealing plug.

[0012] Preferably, the tunnel furnace conveyor is of slotted design, and the tunnel furnace conveyor is connected to the insert block by snap-fitting.

[0013] Preferably, the bolt is threadedly connected to the tunnel furnace conveyor through a threaded hole, and the bolt is movably connected to the support plate.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. The utility model is provided with an ink tray, a connecting pipe, a limiting block, an ink box and a limiting groove. By moving the ink box, it is locked and inserted into the ink tray, and the limiting block is pushed to drive the limiting block to be inserted into the limiting groove for limiting, so that the ink box is installed. This makes it easy to replace and install ink boxes with different colors. Under the action of the connecting pipe, ink can be automatically loaded.

[0016] 2. The utility model is provided with a feeding pipe, a card slot, a dust cover, a sealing plug and a protrusion. By moving the dust cover, the sealing plug is inserted into the feeding pipe, which drives the protrusion to be clamped into the card slot for limiting the position, and the dust cover is installed on the outer wall of the feeding pipe, which facilitates the dust protection of the feeding pipe, thereby improving the quality of the ink spraying process;

[0017] 3. The utility model is provided with an ink sprayer, a support plate, an insert, a bolt, a tunnel furnace conveyor and a threaded hole. By moving the ink sprayer, the insert fixedly connected to the bottom of the support plate is docked and inserted into the tunnel furnace conveyor. The bolt is passed through the support plate and rotated, so that the bolt can be inserted into the threaded hole for limiting the position, which makes it easy to install the ink sprayer above the tunnel furnace conveyor, and can perform ink spraying pre-processing on the printed circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the utility model;

[0020] Figure 3 This is a three-dimensional diagram of the ink tray of the utility model;

[0021] Figure 4 This is a three-dimensional diagram of the limit block of the utility model;

[0022] Figure 5 This is a three-dimensional diagram of the dust cover of the utility model.

[0023] In the figure: 1. Ink sprayer; 2. Ink tray; 3. Connecting pipe; 4. Side panel; 5. Slider; 6. Limit block; 7. Ink box; 8. Limit groove; 9. Filling pipe; 10. Slot; 11. Dust cover; 12. Sealing plug; 13. Bump; 14. Support plate; 15. Insert block; 16. Bolt; 17. Tunnel furnace conveyor; 18. Threaded hole. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0025] The following describes an embodiment of the present invention based on its overall structure.

[0026] See also Figure 1-5 , an automatic ink feeding device for a tunnel furnace includes an ink sprayer 1, an ink tray 2 is installed on the top of the ink sprayer 1, a connecting pipe 3 is installed on one side of the ink tray 2, a side plate 4 is fixedly connected to the top of the ink tray 2, a slider 5 is movably connected inside the side plate 4, and a limiting block 6 is fixedly connected to the outer wall of the slider 5. An ink box 7 is installed inside the ink tray 2, and a limiting groove 8 is provided on one side of the ink box 7. The side plate 4 is a slotted design, and the side plate 4 and the slider 5 form a sliding structure. The slider 5 is symmetrically arranged with the central axis of the limiting block 6, and the limiting block 6 is engaged with the ink box 7 through the limiting groove 8, which can facilitate the replacement and installation of ink boxes 7 with different colors, so that the ink can be automatically fed.

[0027] See also Figure 1-5 , an automatic feeding device for ink in a tunnel furnace, a feeding tube 9 is fixedly connected to the top of the ink box 7, a card slot 10 is opened on the inner wall of the feeding tube 9, a dust cover 11 is installed on the outer wall of the feeding tube 9, the inner wall of the dust cover 11 is fixedly connected with a sealing plug 12, and the outer wall of the sealing plug 12 is fixedly connected with a protrusion 13, the dust cover 11 is snap-fitted and connected to the feeding tube 9 through the sealing plug 12, and the protrusion 13 is elastically arranged, the protrusion 13 is snap-fitted and connected to the feeding tube 9 through the card slot 10, and the protrusion 13 is symmetrically arranged with the central axis of the sealing plug 12, which can facilitate dust protection for the feeding tube 9.

[0028] See also Figure 1-5 , a tunnel furnace ink automatic feeding device, the bottom of the ink sprayer 1 is fixedly connected to a support plate 14, the bottom of the support plate 14 is fixedly connected to an insert block 15, a bolt 16 is installed inside the support plate 14, and a tunnel furnace conveyor 17 is installed at the bottom of the support plate 14, and a threaded hole 18 is opened inside the tunnel furnace conveyor 17. The tunnel furnace conveyor 17 is a slotted design, and the tunnel furnace conveyor 17 is engaged with the insert block 15. The bolt 16 is threadedly connected to the tunnel furnace conveyor 17 through the threaded hole 18, and the bolt 16 is movably connected to the support plate 14, which can facilitate the installation of the ink sprayer 1 on the tunnel furnace conveyor 17.

[0029] Working principle: When in use, by moving the ink sprayer 1, the plug block 15 fixedly connected to the bottom of the support plate 14 is docked and inserted into the tunnel furnace conveyor 17, the bolt 16 is passed through the support plate 14 and rotated. Since the bolt 16 is threadedly connected to the tunnel furnace conveyor 17, the bolt 16 can be inserted into the threaded hole 18 for limiting, so that the ink sprayer 1 is installed above the tunnel furnace conveyor 17. By moving the ink box 7, it is inserted into the ink tray 2, and the limit block 6 is pushed to make the slider 5 slide along the side plate 4, so that the limit block 6 is inserted into the limit The groove 8 is limited so that the ink box 7 can be installed. Under the action of the connecting tube 3, the ink can be automatically loaded. By moving the dust cover 11, the sealing plug 12 is inserted into the injection tube 9, causing the protrusion 13 to be squeezed and deformed. When the sealing plug 12 is fully inserted into the injection tube 9, the protrusion 13 can be restored and clamped into the card groove 10 for limiting, so that the dust cover 11 is installed on the outer wall of the injection tube 9. This completes the use process of the device. The content not described in detail in this manual belongs to the existing technology known to professional and technical personnel in this field.

[0030] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the protection content of the present invention.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An automatic ink feeding device for a tunnel furnace, comprising an ink spraying machine (1), characterized in that: An ink tray (2) is installed on the top of the ink sprayer (1), a connecting pipe (3) is installed on one side of the ink tray (2), a side plate (4) is fixedly connected to the top of the ink tray (2), a slider (5) is movably connected inside the side plate (4), a limiting block (6) is fixedly connected to the outer wall of the slider (5), an ink box (7) is installed inside the ink tray (2), and a limiting groove (8) is provided on one side of the ink box (7); The top of the ink box (7) is fixedly connected to a material injection pipe (9), the inner wall of the material injection pipe (9) is provided with a card slot (10), the outer wall of the material injection pipe (9) is provided with a dust cover (11), the inner wall of the dust cover (11) is fixedly connected to a sealing plug (12), and the outer wall of the sealing plug (12) is fixedly connected to a protrusion (13); The bottom of the ink sprayer (1) is fixedly connected to a support plate (14), the bottom of the support plate (14) is fixedly connected to an insert block (15), a bolt (16) is installed inside the support plate (14), a tunnel furnace conveyor (17) is installed at the bottom of the support plate (14), and a threaded hole (18) is opened inside the tunnel furnace conveyor (17).

2. The automatic ink feeding device for a tunnel furnace according to claim 1, characterized in that: The side plate (4) is of slotted design, and the side plate (4) and the slider (5) form a sliding structure.

3. The automatic ink feeding device for a tunnel furnace according to claim 2, characterized in that: The slider (5) is symmetrically arranged with respect to the central axis of the limiting block (6), and the limiting block (6) is snap-connected with the ink box (7) via a limiting groove (8).

4. The automatic ink feeding device for a tunnel furnace according to claim 1, characterized in that: The dust cover (11) is connected to the injection pipe (9) by snapping together through a sealing plug (12), and the protrusion (13) is elastically arranged.

5. The automatic ink feeding device for a tunnel furnace according to claim 1, characterized in that: The protrusion (13) is connected to the injection tube (9) by means of a clamping groove (10), and the protrusion (13) is symmetrically arranged with respect to the central axis of the sealing plug (12).

6. The automatic ink feeding device for a tunnel furnace according to claim 1, characterized in that: The tunnel furnace conveyor (17) is of slotted design, and the tunnel furnace conveyor (17) is engaged and connected with the insert block (15).

7. The automatic ink feeding device for a tunnel furnace according to claim 1, characterized in that: The bolt (16) is threadedly connected to the tunnel furnace conveyor (17) through the threaded hole (18), and the bolt (16) is movably connected to the support plate (14).