阅读说明：本技术 挡边防油墨机构 (Edge-blocking ink-proof mechanism ) 是由 李荣根 于 2021-09-27 设计创作，主要内容包括：本发明提供了一种挡边防油墨机构,包括用于遮挡待喷涂料板的一侧边的防油墨模块,所述防油墨模块包括放料辊、收料辊、顶板和第一驱动组件,所述放料辊上绕有用于挡油墨的防护膜,所述顶板的一侧边顶住所述防护膜以张紧所述防护膜,所述第一驱动组件用于驱使所述收料辊自转,且所述收料辊转动时带动所述放料辊上的防护膜经过所述顶板的一侧边再收卷于所述收料辊上；所述顶板顶住所述防护膜的该侧边位于待喷涂料板的侧边的正上方以遮挡垂直方向的油墨,且所述顶板顶住所述防护膜的该侧边延伸设有遮挡部,所述遮挡部用于遮挡水平方向的油墨。(The invention provides a flange ink-proof mechanism which comprises an ink-proof module used for shielding one side edge of a material plate to be sprayed, wherein the ink-proof module comprises an emptying roller, a receiving roller, a top plate and a first driving assembly, a protective film used for blocking ink is wound on the emptying roller, one side edge of the top plate props against the protective film to tension the protective film, the first driving assembly is used for driving the receiving roller to rotate, and the receiving roller drives the protective film on the emptying roller to pass through one side edge of the top plate and then be wound on the receiving roller when rotating; the top plate is abutted against the side edge of the protective film and is positioned right above the side edge of the plate to be sprayed so as to shield ink in the vertical direction, the top plate is abutted against the side edge of the protective film and extends to form a shielding part, and the shielding part is used for shielding ink in the horizontal direction.)

1. A flange ink-proof mechanism is characterized by comprising an ink-proof module used for shielding one side edge of a material plate to be sprayed, wherein the ink-proof module comprises an emptying roller, a receiving roller, a top plate and a first driving assembly, a protective film used for blocking ink is wound on the emptying roller, one side edge of the top plate props against the protective film to tension the protective film, the first driving assembly is used for driving the receiving roller to rotate, and the receiving roller drives the protective film on the emptying roller to pass through one side edge of the top plate and then be wound on the receiving roller when rotating;

the top plate is abutted against the side edge of the protective film and is positioned right above the side edge of the plate to be sprayed so as to shield ink in the vertical direction, the top plate is abutted against the side edge of the protective film and extends to form a shielding part, and the shielding part is used for shielding ink in the horizontal direction.

2. The edge and ink prevention mechanism according to claim 1, wherein the shielding portion is disposed obliquely and is inclined toward the direction of the plate to be coated and away from the side edge of the plate to be coated.

3. The rib ink and oil proofing mechanism according to claim 1, wherein the top plate is inclined, and the top plate is inclined towards the direction of the material plate to be sprayed and away from the side edge of the material plate to be sprayed.

4. The rib ink rub prevention mechanism of claim 1 further comprising an encoder assembly for monitoring a length of the pellicle film paid out by the payout roller or a length of the pellicle film taken up by the take up roller.

5. The rib ink-repellent mechanism according to claim 1, wherein the top plate is further provided with two oppositely disposed guide blocks for limiting the displacement of the protective film, and the protective film passes through between the two guide blocks.

6. The rib ink-repellent mechanism according to claim 1, further comprising a first buffer roller and a second buffer roller for changing a moving direction of the protective film, wherein the protective film of the feeding roller passes through the first buffer roller and the second buffer roller in sequence and then passes through the side edge of the top plate.

7. The rib ink and oil proofing mechanism according to claim 1, further comprising a second driving component and a flap component, wherein the second driving component is used for driving the top plate to move along the vertical direction, and the flap component is used for driving the paint plate to be sprayed to turn over and change the surface to realize spraying of both surfaces.

8. The rib ink and oil proofing mechanism according to claim 7, wherein the flap assembly comprises a clamping member and a third driving assembly, the clamping member is used for clamping and fixing the material plate to be sprayed, and the third driving assembly is used for driving the clamping member and the material plate to be sprayed to turn over the conversion surface.

9. The rib ink-repellent mechanism according to claim 1, further comprising a fourth driving component, wherein the fourth driving component is configured to drive the ink-repellent module to move along the direction of the side of the material plate to be coated, so as to shield the sides with different lengths.

10. The rib ink-repellent mechanism according to claim 1, comprising two ink-repellent modules for covering two opposite sides of a material plate to be coated.

Technical Field

The invention relates to the technical field of spraying, in particular to a rib ink-proof mechanism.

Background

In the manufacturing process of the printed circuit board, ink spraying is one of indispensable important processes, ink is not sprayed on two side edges of the circuit board generally, therefore, the side edges of the circuit board need to be shielded and ink-proof, the existing mode is mostly to spray the printed circuit board in a mode of pasting a film on the side edges of the circuit board, but the mode of preventing the ink-proof needs manual operation, the steps are complex, and the film needs to be taken down after the printed circuit board is processed. Therefore, there is a need for an ink-repellent mechanism for a rib that can be operated in a simplified manner to achieve ink repellency.

Disclosure of Invention

The invention provides a rib ink-proof mechanism, aiming at solving the technical problems mentioned in the background technology.

The invention provides a flange ink-proof mechanism which comprises an ink-proof module used for shielding one side edge of a material plate to be sprayed, wherein the ink-proof module comprises an emptying roller, a receiving roller, a top plate and a first driving assembly, a protective film used for blocking ink is wound on the emptying roller, one side edge of the top plate props against the protective film to tension the protective film, the first driving assembly is used for driving the receiving roller to rotate, and the receiving roller drives the protective film on the emptying roller to pass through one side edge of the top plate and then be wound on the receiving roller when rotating;

the top plate is abutted against the side edge of the protective film and is positioned right above the side edge of the plate to be sprayed so as to shield ink in the vertical direction, the top plate is abutted against the side edge of the protective film and extends to form a shielding part, and the shielding part is used for shielding ink in the horizontal direction.

Furthermore, the shielding part is obliquely arranged and inclines towards the direction of the to-be-sprayed material plate and away from the side edge of the to-be-sprayed material plate.

Further, the top plate is arranged in an inclined mode, and the top plate is inclined towards the direction of the to-be-sprayed material plate and away from the side edge of the to-be-sprayed material plate.

Further, still include the encoder subassembly, the encoder subassembly is used for monitoring the protective film length that the blowing roller was emitted or the protective film length of receipts material roller rolling.

Furthermore, two guide blocks which are oppositely arranged and used for limiting the deviation of the protective film are further arranged on the top plate, and the protective film penetrates between the two guide blocks.

Further, still include first buffer roller and second buffer roller, first buffer roller with the second buffer roller is used for changing the moving direction of protective film, the protective film of blowing roller passes through in proper order first buffer roller with the second buffer roller passes through the side of roof again.

Further, the spraying device further comprises a second driving assembly and a turning plate assembly, wherein the second driving assembly is used for driving the top plate to move along the vertical direction, and the turning plate assembly is used for driving the to-be-sprayed coating plate to turn and change the surface so as to realize spraying of two surfaces.

Furthermore, the turning plate assembly comprises a clamping piece and a third driving assembly, the clamping piece is used for clamping and fixing the material plate to be sprayed, and the third driving assembly is used for driving the clamping piece and the material plate to be sprayed to turn over the conversion surface.

Further, still include the fourth drive subassembly, the fourth drive subassembly is used for driving the grease proofing black module removes along the side direction of treating the spraying flitch to the realization shelters from the side of different length.

Furthermore, the printing ink prevention device comprises two printing ink prevention modules, and the two printing ink prevention modules are used for shielding two opposite side edges of the to-be-sprayed material plate.

According to the invention, the discharging roller, the receiving roller, the top plate and the protective film are arranged, the protective film sequentially extends from the discharging roller to the top plate to the receiving roller, the side edge of the top plate is used for supporting the protective film, the side edge is positioned right above the side edge of the material plate to be sprayed so as to shield ink in the vertical direction, and the shielding part is extended through the side edge so as to shield ink in the horizontal direction, so that the contaminated protective film can be rolled up while the ink is sprayed, and the ink can be prevented from being stained on the side edge from two directions.

Drawings

Fig. 1 is a schematic view of an overall structure of a rib ink-repellent mechanism according to an embodiment of the present invention.

Fig. 2 is a rear view of the embodiment of fig. 1.

Fig. 3 is a schematic structural diagram of an ink-repellent module according to an embodiment of the present invention.

Fig. 4 is a rear view of the embodiment of fig. 3.

Fig. 5 is a side view of the embodiment of fig. 3.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention. It is to be understood that the drawings are provided solely for the purposes of reference and illustration and are not intended as a definition of the limits of the invention. The connection relationships shown in the drawings are for clarity of description only and do not limit the manner of connection.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; either mechanically or electrically, and may be internal to both elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

It should be noted that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-5, after the to-be-coated material plate 200 is mounted and fixed, the ink spraying assembly 300 is located above the to-be-coated material plate 200, and the ink is sprayed on the to-be-coated material plate 200 by the horizontal reciprocating motion of the ink spraying assembly 300.

The invention provides a rib ink-proof mechanism 100, which comprises an ink-proof module 10 for shielding one side edge of a material plate 200 to be sprayed, wherein the ink-proof module 10 comprises a discharging roller 11, a receiving roller 12, a top plate 13 and a first driving assembly 14, a protective film 400 for blocking ink is wound on the discharging roller 11, one side edge of the top plate 13 props against the protective film 400 to tension the protective film 400, the first driving assembly 14 is used for driving the receiving roller 12 to rotate, and the receiving roller 12 drives the protective film 400 on the discharging roller 11 to pass through one side edge of the top plate 13 and then be wound on the receiving roller 12 when rotating.

The side of the top plate 13, which abuts against the protective film 400, is located right above the side of the to-be-sprayed material plate 200 to shield ink in the vertical direction, and the side of the top plate 13, which abuts against the protective film 400, is provided with a shielding portion 131 in an extending manner, and the shielding portion 131 is used for shielding ink in the horizontal direction.

According to the invention, the discharging roller 11, the receiving roller 12, the top plate 13 and the protective film 400 are arranged, the protective film 400 sequentially receives the material from the discharging roller 11 to the top plate 13 to the receiving roller 12, the side edge of the top plate 13 is used for supporting the protective film 400, the side edge is positioned right above the side edge of the material plate 200 to be sprayed so as to shield ink in the vertical direction, and the shielding part 131 is extended through the side edge so as to shield ink in the horizontal direction, so that the contaminated protective film 400 can be continuously wound up while the ink is sprayed, and the ink can be prevented from being attached to the side edge from two directions, so that the automatic operation is realized, the manpower is liberated, and the operation is simple and convenient.

Specifically, the rib ink-repellent mechanism 100 includes two ink-repellent modules 10, and the two ink-repellent modules 10 are used for shielding two opposite side edges of the to-be-sprayed material plate 200; therefore, the two side edges can be protected from ink during the printing process of the circuit board, and only one side edge can be protected according to requirements.

In this embodiment, the protective film 400 is a PE film, and in other embodiments, the protective film 400 may also be other films capable of achieving an ink-repellent effect.

Preferably, the top plate 13 is arranged obliquely, and the top plate 13 is inclined towards the direction of the material plate 200 to be sprayed and away from the side edge of the material plate 200 to be sprayed; in this embodiment, the top plate 13 guides the protective film 400, and the ink adhered to the protective film 400 is dropped toward the direction of the material plate 200 to be sprayed under the action of gravity by using the inclination angle of the top plate 13.

Preferably, the shielding part 131 is arranged obliquely, and the shielding part 131 is inclined towards the direction of the material plate to be sprayed 200 and away from the side edge of the material plate to be sprayed 200; in this embodiment, the shielding portion 131 is arranged to prevent ink in the horizontal direction from splashing to the side, and the ink on the protective film 400 is dropped toward the direction of the material plate 200 to be sprayed under the action of gravity through the inclined angle of the shielding portion 131, and can be dropped toward the direction away from the side, so that the ink-repellent effect is enhanced.

The ink-proof module 10 further comprises an encoder assembly 15, wherein the encoder assembly 15 is used for monitoring the length of the protective film 400 discharged by the discharging roller 11 or the length of the protective film 400 wound by the receiving roller 12; this embodiment monitors the protecting film 400 in service behavior through setting up encoder subassembly 15 to when protecting film 400 used and reach certain threshold value, can send out the early warning and in time handle the protecting film 400 that pollutes.

Two oppositely-arranged guide blocks 132 for limiting the deviation of the protective film 400 are also arranged on the top plate 13, and the protective film 400 passes through between the two guide blocks 132; in the present embodiment, the guide block 132 is provided to limit the displacement of the protection film 400 on both sides of the protection film 400, so as to prevent the protection film 400 from being separated from the top plate 13.

Preferably, the ink-proof module 10 further includes a first buffer roller 16 and a second buffer roller 17, the first buffer roller 16 and the second buffer roller 17 are used for changing the moving direction of the protective film 400, and the protective film 400 of the feeding roller 11 passes through the first buffer roller 16 and the second buffer roller 17 in sequence and then passes through the side edge of the top plate 13; since the protective film 400 needs to change direction from the discharging roller 11 to the top plate 13, the buffer assembly is arranged between the discharging roller 11 and the top plate 13, and the direction change of the protective film 400 is increased by using the first buffer roller 16 and the second buffer roller 17, so that the buffer effect is achieved, and the situations that the protective film 400 is unwound or the protective film 400 is broken and the like are avoided.

Preferably, the rib ink-proofing mechanism 100 further includes a second driving component 20 and a flap component 20, the second driving component 20 is configured to drive the top plate 13 to move along the vertical direction, and the flap component 20 is configured to drive the to-be-sprayed material plate 200 to turn over and change the surface to realize spraying of both surfaces; the plate to be sprayed 200 is driven by the plate turnover assembly 20 to turn over to realize surface changing, so that the surface is automatically changed without secondary clamping, the parts involved by manpower are reduced, and the production efficiency is improved.

Further, the turning plate assembly 20 includes a clamping member and a third driving assembly, the clamping member is used for clamping and fixing the material plate 200 to be sprayed, and the third driving assembly is used for driving the clamping member and the material plate 200 to be sprayed to turn over and change the surface.

Preferably, the baffle ink-repellent mechanism further comprises a fourth driving component 30, the fourth driving component 30 is used for driving the ink-repellent module 10 to move along the side direction of the plate 200 to be sprayed, so that when the spraying ink component finishes spraying a transverse edge and feeds to a next transverse edge, the ink-repellent module 10 moves along with the transverse edge to protect the next section of possibly-polluted side edge, and the arrangement mode can enable the length of the side edge which can be protected by the ink-repellent module 10 to be not limited to the width of the protective film 400, thereby meeting the spraying processing procedures of circuit boards with different lengths.

The working process of the invention is as follows: when the spraying ink component starts to spray ink, the first driving component 14 starts to drive the material receiving roller 12 to start rolling at the same time, the ink is adhered to the protective film 400 to be rolled and rolled inwards, the material receiving roller 12 drives the material discharging roller 11 to be simultaneously unwound, and the encoder component 15 calculates how long the protective film 400 is rolled. When the spraying of the spraying ink component is finished, the material receiving roller 12 stops rolling, the second driving component 20 pushes the top plate 13 to move upwards to lift up, the turning plate component 20 turns over the to-be-sprayed material plate 200, and the spraying ink component starts to spray ink on the reverse side.

Throughout the description and claims of this application, the words "comprise/comprises" and the words "have/includes" and variations of these are used to specify the presence of stated features, values, steps or components but do not preclude the presence or addition of one or more other features, values, steps, components or groups thereof.

Some features of the invention, which are, for clarity, described in the context of separate embodiments, may also be provided in combination in a single embodiment. Conversely, certain features of the invention, which are, for brevity, described in the context of a single embodiment, may also be provided separately or in any suitable combination in different embodiments.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.