CN211860668U - Even liquid processing apparatus of printed circuit board - Google Patents

Abstract

The utility model provides a printed circuit board even liquid processing device, which comprises a material loading mechanism, a supporting mechanism and a driving mechanism, wherein the material loading mechanism is used for fixing the printed circuit board and enabling a surface to be processed to be vertical to a horizontal plane, the material loading mechanism is provided with a slide rail which extends in an annular shape, and the plane where the slide rail is positioned is parallel to the surface to be processed; the supporting mechanism is connected with the sliding rail in a sliding way and can limit the movement of the material loading mechanism along the gravity direction; the driving mechanism can drive the material loading mechanism to rotate, so that the supporting mechanism slides along the sliding rail. The utility model discloses a supporting mechanism has realized carrying the vertical suspension of material mechanism with carrying the sliding connection of the slide rail on the material mechanism, when actuating mechanism drive carried material mechanism to rotate, the liquid medicine on the pending face can be by the upflow downwards under the action of gravity, finally realizes the even cover of liquid medicine in each region of pending face, has so both avoided the pond effect when the level is placed appearing, has avoided the inhomogeneous condition of treatment effect of upper and lower part when printed circuit board places perpendicularly simultaneously.

Description

Even liquid processing apparatus of printed circuit board

Technical Field

The utility model belongs to the technical field of printed circuit board treatment facility, especially, relate to a even liquid processing apparatus of printed circuit board.

Background

In the processing process of the printed circuit board, the mother board generally needs to be sequentially subjected to the processing procedures of development, water washing, etching, drying and the like, and the conventional liquid homogenizing treatment device generally treats the mother board after horizontally placing and positioning or vertically placing and positioning. If the mother board is horizontally arranged, in an ideal state, the liquid medicine which is sprayed on the mother board for development or etching in the original-place processing or translation processing process of the mother board can be uniformly distributed on the board surface under the action of gravity, but in the actual processing process, the printed circuit board is difficult to be completely horizontally arranged when being positioned, so that a pool effect is formed on the board surface, the liquid medicine is gathered in a local area, and the whole board surface processing effect is uneven; if the mother board is placed perpendicularly, then when evenly spraying the liquid medicine on the face in the mother board original place processing or translation processing procedure, the liquid medicine flows down along the board under the action of gravity to overcome the pond effect that exists when the mother board level was placed, but the liquid medicine flows down from top to bottom along the face under the action of gravity, make the liquid medicine that sprays at face first half act on face latter half again at downflow in-process, cause two parts treatment effect inhomogeneous about the face, these two kinds of modes of placing all can make treatment quality greatly reduced, influence the face quality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a even liquid processing apparatus of printed circuit board aims at solving among the prior art sheet material level and places easily and produce the pond effect and place the technical problem that easily causes the treatment effect inhomogeneous perpendicularly.

The utility model discloses a realize like this, a even liquid processing apparatus of printed circuit board for handle printed circuit board, wherein, printed circuit board has the face of remaining to be handled, include:

the material loading mechanism is used for fixing the printed circuit board and enabling the surface to be processed to be vertical to a horizontal plane, and is provided with a sliding rail extending in an annular shape, and the plane where the sliding rail is located is parallel to the surface to be processed;

the supporting mechanism is connected with the sliding rail in a sliding mode and can limit the material loading mechanism to move along the gravity direction;

and the driving mechanism can drive the material loading mechanism to rotate so that the supporting mechanism slides along the sliding rail.

In one embodiment, the slide rail extends in a circular shape.

In one embodiment, the driving mechanism can drive the loading mechanism to rotate around a rotation axis perpendicular to the surface to be processed, and a central axis corresponding to the slide rail coincides with the rotation axis.

In one embodiment, the material loading mechanism is disc-shaped, the material loading mechanism has a first side surface, a second side surface and an edge surface, the first side surface and the second side surface are arranged oppositely, the edge surface circumferentially surrounds the first side surface and the second side surface and faces away from a central axis of the material loading mechanism, the slide rail is at least convexly arranged on the first side surface, the supporting mechanism abuts against an inner annular surface of the slide rail, the first side surface and the second side surface are both parallel to the surface to be processed, and the central axis of the material loading mechanism coincides with the central axis corresponding to the slide rail.

In one embodiment, the supporting mechanism includes a supporting frame and a supporting wheel rotatably connected to the supporting frame and abutting against the inner annular surface of the slide rail, the rotation axis of the supporting wheel is parallel to the rotation axis of the material loading mechanism, and the supporting wheel can roll relative to the slide rail when the driving mechanism drives the material loading mechanism to rotate.

In one embodiment, the material loading mechanism has two slide rails, the two slide rails are respectively disposed on the first side surface and the second side surface, central axes corresponding to the two slide rails are overlapped, the supporting mechanism at least includes two supporting wheels, and at least two supporting wheels respectively abut against an inner annular surface of one slide rail.

In one embodiment, the support mechanism further includes a first limiting wheel rotatably connected to the support frame and abutted against the edge surface, the first limiting wheel is located on one side of the material loading mechanism facing away from the direction of gravity, and the first limiting wheel can limit the movement of the material loading mechanism facing away from the direction of gravity.

In one embodiment, the support mechanism further includes a second limiting wheel rotatably connected to the support frame and abutted to the first side surface, and a third limiting wheel rotatably connected to the support frame and abutted to the second side surface, and the second limiting wheel and the third limiting wheel are used for limiting the movement of the loading mechanism along the rotation axis thereof.

In one embodiment, the printed circuit board leveling device further comprises a rolling platform abutting against the material loading mechanism, the rolling platform extends along the conveying direction of the material loading mechanism and abuts against the edge surface, and the driving mechanism can drive the material loading mechanism to roll on the rolling platform by driving the supporting mechanism to move along the conveying direction of the material loading mechanism.

In one embodiment, the driving mechanism further comprises a first transmission assembly which is abutted against the edge surface and is positioned in the gravity direction of the material loading mechanism, and the first transmission assembly can drive the material loading mechanism to rotate through friction force.

In one embodiment, the first transmission assembly comprises a plurality of driving pulleys, the driving pulleys extend and are arranged along the conveying direction of the material loading mechanism, the rotating shafts of the driving pulleys extend in the same direction as the rotating axis of the material loading mechanism, and the driving pulleys can drive the material loading mechanism to rotate.

In one embodiment, the driving mechanism further comprises a second transmission assembly which is abutted to the material loading mechanism and located in the gravity direction of the material loading mechanism, and the driving mechanism can drive the second transmission assembly to move by driving the material loading mechanism to rotate.

In one embodiment, the device for homogenizing and treating the printed circuit board is provided with a plurality of stations, the driving mechanism can drive the material loading mechanism to move among the stations, and the material loading mechanism can keep rotating and stay at one station.

In one embodiment, the printed circuit board homogenizing treatment device further comprises a spraying mechanism for enabling the surface to be treated to be soaked with liquid.

In one embodiment, the printed circuit board homogenizing treatment device further comprises an air spraying mechanism for spraying air on the surface to be treated so as to dry the surface to be treated.

The utility model discloses technical effect for prior art is: the device for uniformly treating the printed current board liquid realizes the vertical suspension of the material carrying mechanism through the sliding connection of the supporting mechanism and the sliding rail on the material carrying mechanism, so that the surface to be treated of the printed circuit board is perpendicular to the horizontal plane, the supporting mechanism plays a role in supporting and positioning the material carrying mechanism, the movement of the material carrying mechanism along the gravity direction is limited, and the material carrying mechanism can be limited at a preset position or driven to move horizontally. The driving mechanism can drive the material loading mechanism to rotate, at the moment, the slide rail plays a role in guiding and limiting in the rotating process of the material loading mechanism, simultaneously, the surface to be processed of the printed circuit board can rotate on the vertical surface, thus each area of the surface to be processed can be positioned at the lower half part or the upper half part at a certain moment in the rotating process, after the surface to be treated is soaked with the liquid medicine, the liquid medicine can uniformly flow from the upper half part area to the lower half part area under the action of gravity, the liquid medicine in each area sequentially flows downwards along the circumferential direction in the rotating process of the material loading mechanism, the residual liquid medicine always flows towards the lower part in the rotating state at each moment on the surface to be treated, and finally the liquid medicine is uniformly covered in each area of the surface to be treated, thus not only avoiding the pool effect when horizontally placed and preventing the excessive treatment of local areas caused by residual liquid medicine, and simultaneously, the condition that the processing effect of the upper part and the lower part is not uniform when the printed circuit board is vertically placed is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention or the description of the prior art will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a partial perspective view of a device for processing a uniform liquid for a printed circuit board according to an embodiment of the present invention;

fig. 2 is a partial exploded view of a device for processing a uniform liquid of a printed circuit board according to an embodiment of the present invention.

Description of reference numerals:

10. a material loading mechanism; 101. a through hole; 102. an edge face; 103. a first side surface; 11. a material carrying disc; 111. a slide rail; 12. a fixing member; 20. a support mechanism; 21. a support frame; 22. a support wheel; 23. a first limit wheel; 24. a second limiting wheel; 25. a third limiting wheel; 90. printed circuit board

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "vertical", "horizontal", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

Referring to fig. 1, the present invention provides a device for processing a uniform liquid on a printed circuit board 90, wherein the printed circuit board 90 is sheet-shaped and has a surface to be processed, and the printed circuit board 90 may have one surface to be processed or two opposite surfaces to be processed. The present apparatus for uniformly treating a printed circuit board is particularly used for treating a printed circuit board 90 having a surface to be treated impregnated with a chemical solution.

Referring to fig. 1 and 2, the apparatus for homogenizing and treating a printed circuit board includes a loading mechanism 10, a driving mechanism (not shown), and a supporting mechanism 20.

The loading mechanism 10 is used to fix the printed circuit board 90 and make the surface to be processed perpendicular to the horizontal plane, that is, make the plane of the printed circuit board 90 perpendicular to the horizontal plane. The loading mechanism 10 has a sliding rail 111 extending in a ring shape, and a plane of the sliding rail 111 is parallel to the surface to be processed.

Referring to fig. 1 and 2, in particular, the material loading mechanism 10 includes a material loading tray 11 and a fixing member 12 disposed on the material loading tray 11 and used for fixing a printed circuit board 90. The material loading tray 11 may have various shapes, such as polygonal column, cone, sphere, etc., and in this embodiment, the material loading tray 11 is cylindrical or disc-shaped to facilitate the rotation thereof.

The material loading tray 11 is provided with a first side surface 103, a second side surface and an edge surface 102, the first side surface 103 and the second side surface are arranged oppositely, the material loading tray 11 is provided with a central axis parallel to the rotation axis, and the edge surface 102 circumferentially surrounds the first side surface 103 and the second side surface and faces away from the central axis. The first side surface 103 and the second side surface are both perpendicular to the horizontal plane and parallel to the surface to be treated. The fixing member 12 can tension the printed circuit board 90 and keep the same plane, so as to prevent the surface to be processed from generating grooves and influencing the flow of the liquid medicine on the printed circuit board 90. In this embodiment, the fixing member 12 includes a plurality of fixing jigs attached to the tray 11, and the plurality of fixing jigs are arranged along the circumferential direction of the printed circuit board 90 to uniformly fix the printed circuit board 90. The fixing member 12 can suspend the pcb 90 in the air, or attach the pcb 90 to the first side 103 or the second side of the tray 11 with the surface to be processed facing outward. In this embodiment, the material loading tray 11 is provided with a through hole 101 penetrating along the rotation axis, the fixing member 12 is used for fixing the material loading tray 11 to the through hole 101, and the through hole 101 is free from the surface to be processed. Thus, the two surfaces to be processed of the printed circuit board 90 are not shielded and touched by the material carrying disc 11, so that other processing procedures can be conveniently carried out on the printed circuit board 90 in the later stage. The material carrying disc 11 is further provided with avoiding holes to reduce and balance the weight of the material carrying disc 11 and facilitate taking and hanging of the material carrying disc 11 by external equipment.

The supporting mechanism 20 is slidably connected to the sliding rail 111 and can limit the movement of the loading mechanism 10 in the gravity direction. The driving mechanism can drive the loading mechanism 10 to rotate, so that the supporting mechanism 20 slides along the slide rail 111.

The sliding rail 111 may be an annular groove body formed on the first side surface 103 or the second side surface, and the supporting mechanism 20 extends into the annular groove body and can move along the extending direction of the annular groove body under the driving of the driving mechanism, so as to be in sliding contact with the sliding rail 111. Referring to fig. 1 and fig. 2, in the present embodiment, the sliding rail 111 may also be an annular protrusion protruding from the first side surface 103 or the second side surface, and at this time, the supporting mechanism 20 abuts against an inner annular surface of the annular protrusion, and it can be understood that the material loading mechanism 10 is suspended on the supporting mechanism 20 by the annular protrusion to avoid falling down along the gravity direction. When the driving mechanism drives the loading mechanism 10 to rotate, the horizontal position of the supporting mechanism 20 is unchanged and always abuts against the inner ring surface of the annular convex strip positioned at the top. Preferably, the sliding rail 111 extends in a circular ring shape to enable the loading mechanism 10 to rotate smoothly. The driving mechanism can drive the material loading mechanism 10 to rotate around a rotation axis perpendicular to the surface to be processed, the rotation axis of the material loading mechanism 10 and the central axis can be arranged at intervals, and at the moment, the material loading mechanism 10 rotates eccentrically or circularly. In this embodiment, the outer diameter of the slide rail 111 is the same as the outer diameter of the loading mechanism 10, and the central axis corresponding to the slide rail 111 coincides with the rotation axis of the loading mechanism 10, so that the height of the loading mechanism 10 is not changed during the rotation process.

In order to keep the balance of the loading mechanism 10, two sliding rails 111 are provided and are respectively provided on the first side surface 103 and the second side surface, and the central axes corresponding to the two sliding rails 111 are overlapped, so that the loading mechanism 10 can be prevented from shaking in the rotating process.

In order to realize various processing treatments on the printed circuit board 90, the printed circuit board homogenizing treatment device is provided with a plurality of stations, the driving mechanism can enable the material loading mechanism 10 to keep rotating and stay at one station, and the driving mechanism can drive the material loading mechanism 10 to move among the stations while rotating.

The device for uniformly treating the printed current board liquid realizes the vertical suspension of the material loading mechanism 10 through the sliding connection of the supporting mechanism 20 and the sliding rail 111 on the material loading mechanism 10, so that the surface to be treated of the printed circuit board 90 is always perpendicular to the horizontal plane, the supporting mechanism 20 plays a role in supporting and positioning the material loading mechanism 10, the movement of the material loading mechanism 10 along the gravity direction is limited, and the material loading mechanism 10 can be limited at a preset position or can be driven to move horizontally. The driving mechanism can drive the material loading mechanism 10 to rotate, at the same time, the slide rail 111 plays a role in guiding and limiting in the rotating process of the material loading mechanism 10, and simultaneously, the surface to be processed of the printed circuit board 90 can rotate on a vertical surface, so that each area of the surface to be processed can be positioned at the lower half part or the upper half part at a certain moment in the rotating process, after the surface to be processed is soaked with the liquid medicine, the liquid medicine can uniformly flow from the area of the upper half part to the area of the lower half part under the action of gravity, the liquid medicine of each area sequentially flows downwards along the circumferential direction in the rotating process of the material loading mechanism 10, the residual liquid medicine always flows towards the lower part in a rotating state at each moment on the surface to be processed, and finally, the uniform coverage of the liquid medicine on each area of the surface to be processed is realized, thus, the pool effect when the surface to be horizontally placed is avoided, while avoiding the situation where the processing effect of the upper and lower parts is not uniform when the printed circuit board 90 is vertically placed.

It should be noted that, if actuating mechanism drive year material mechanism 10 is fast rotatory, the liquid medicine on the printed circuit board 90 can also be by the center to even diffusion all around under the effect of centrifugal force, but printed circuit board 90's border just can receive the processing by the liquid medicine of carrying material mechanism 10 axle center position outdiffusion once more like this, and the middle part that leads to printed circuit board 90 is inhomogeneous with treatment effect all around, consequently, the utility model discloses preferably actuating mechanism drive year material mechanism 10 is rotatory at a slow speed to make the liquid medicine on the printed circuit board 90 flow for from top to bottom all the time, each region homoenergetic of printed circuit board 90 can obtain the even processing of liquid medicine like this. Wherein, optionally, the slow rotation may be that the rotation speed of the material loading mechanism 10 is less than the minimum rotation speed for the medicine drops of the medicine liquid to flow from bottom to top against the action of gravity.

Referring to fig. 1 and 2, the supporting mechanism 20 includes a supporting frame 21 and a supporting wheel 22 rotatably connected to the supporting frame 21 and abutting against the inner annular surface of the sliding rail 111, a rotation axis of the supporting wheel 22 is parallel to a rotation axis of the material loading mechanism 10, and the supporting wheel 22 can roll relative to the sliding rail 111 when the driving mechanism drives the material loading mechanism 10 to rotate. The support wheels 22 are arranged to reduce the friction when the drive structure drives the loading mechanism 10 to rotate. When one sliding rail 111 corresponds to one supporting wheel 22, the loading mechanism 10 is prone to radial shaking. In order to solve the problem, one sliding rail 111 can abut against a plurality of supporting wheels 22, in this embodiment, the supporting frame 21 is connected with four supporting wheels 22, one sliding rail 111 abuts against two supporting wheels 22, and the two supporting wheels 22 are arranged at intervals and abut against the inner annular surface of one sliding rail 111, so as to stably position the material loading mechanism 10 and prevent the material loading mechanism from shaking.

In other embodiments, in order to improve the control force and the engagement force of the support wheel 22 on the slide rail 111, a first rack is disposed on an inner annular surface of the slide rail 111, a second rack is disposed on an outer annular surface of the support wheel 22, and the first rack is engaged with the second rack. This increases the friction between the support wheels 22 and the slide rail 111, preventing the loading mechanism 10 from slipping.

Referring to fig. 1 and 2, the supporting mechanism 20 further includes a first limiting wheel 23 rotatably connected to the supporting frame 21 and abutting against the edge surface 102, the first limiting wheel 23 is located on a side of the material loading mechanism 10 facing away from the direction of gravity, and the first limiting wheel 23 can limit the movement of the material loading mechanism 10 facing away from the direction of gravity. Therefore, the supporting wheel 22 and the first limiting wheel 23 can clamp the loading mechanism 10 together, and the loading mechanism 10 is prevented from shaking up and down. When the loading mechanism 10 rotates, the first limiting wheel 23 can be driven to rotate.

In other embodiments, to improve the control force and the engagement force of the first limiting wheel 23 on the loading mechanism 10, the edge surface 102 is provided with a third rack, and the outer wheel surface of the first limiting wheel 23 is provided with a fourth rack, and the third rack is engaged with the fourth rack. Therefore, the friction force between the first limiting wheel 23 and the loading mechanism 10 is increased, and the loading mechanism 10 is further prevented from slipping.

Referring to fig. 2, the supporting mechanism 20 further includes a second limiting wheel 24 rotatably connected to the supporting frame 21 and abutted to the first side surface 103, and a third limiting wheel 25 rotatably connected to the supporting frame 21 and abutted to the second side surface, when the material loading mechanism 10 rotates, the second limiting wheel 24 and the third limiting wheel 25 can be driven to roll on the first side surface 103 and the second side surface respectively, so that friction force caused by limiting is reduced, and the second limiting wheel 24 and the third limiting wheel 25 are used for limiting the material loading mechanism 10 to move along the rotation axis thereof.

The driving mechanism can be fixed on the loading mechanism 10, and drives the loading mechanism 10 to rotate through circular motion or autorotation.

Preferably, the driving mechanism is capable of driving the supporting mechanism 20 to move in the conveying direction, so that the loading mechanism 10 can move from the current station to the next station. It should be noted that, since the first limiting wheel 23 can roll relative to the driving pulley, the rotating speed of the first limiting wheel 23 changes during the translation process.

In one embodiment, the device for leveling the printed circuit board further includes a rolling platform abutting against the loading mechanism 10, and the rolling platform extends along the conveying direction of the loading mechanism 10.

The table top of the rolling platform can face downwards, at this time, the wheel surface of the first limiting wheel 23 abuts against the table top of the rolling platform, so that the first limiting wheel 23 can roll on the rolling platform, the driving mechanism can drive the first limiting wheel 23 to move along the conveying direction to enable the material loading mechanism 10 to move from one station to another station, specifically, the driving mechanism drives the support frame 21 to move along the conveying direction through meshing of a gear-shaped structure and a rack arranged on the support frame 21, when the rolling platform is not arranged, the driving mechanism can only drive the material loading mechanism 10 to translate, when the rolling platform is arranged, the edge surface 102 of the material loading mechanism 10 abuts against the rolling platform, and the supporting mechanism 20 can enable the material loading mechanism 10 to roll and rotate on the rolling platform through the tensile force.

The rolling platform is provided with a rolling limiting groove extending along the conveying direction of the material loading mechanism 10, and the material loading mechanism 10 is abutted against the bottom of the rolling limiting groove, so that two groove walls of the rolling limiting groove limit the position of the lower part of the material loading mechanism 10, and limit the offset of the material loading mechanism 10 together with the second limiting wheel 24 and the third limiting wheel 25 so as to keep the material loading mechanism 10 moving on a preset moving path.

When the first limiting wheel 23 is not provided, the rolling platform can reduce the pressure of the material loading mechanism 10 on the supporting wheel 22, and when the first limiting wheel 23 is provided, the rolling platform and the first limiting wheel 23 can respectively abut against two radial ends of the material loading mechanism 10 to commonly clamp the material loading mechanism 10 and prevent the material loading mechanism 10 from deviating from a conveying path.

The driving mechanism includes a first transmission assembly abutting against the edge surface 102 and located in the gravity direction of the material loading mechanism 10, and the first transmission assembly can drive the material loading mechanism 10 to rotate through friction force. The first transmission assembly and the first limiting wheel 23 clamp the loading mechanism 10 together to prevent the loading mechanism 10 from slipping. The first transmission component can drive the material loading mechanism 10 to keep autorotation at a certain fixed station or in the conveying process.

Specifically, first drive assembly includes a plurality of driving pulleys, and a plurality of driving pulleys extend along the direction of delivery of year material mechanism 10 and arrange, and driving pulley's pivot and axis of rotation syntropy extend, and driving pulley can drive and carry the rotation of material mechanism 10. The arrangement of the plurality of driving pulleys reduces the bumping of the loading mechanism 10 during the conveying process, so that the loading mechanism 10 can move stably. Specifically, the driving mechanism 30 drives the supporting frame 21 to move along the conveying direction by meshing a gear-shaped structure with a rack arranged on the supporting frame 21, so that the driving pulley can drive the loading mechanism 10 to rotate when rotating through translation to change the station.

The driving pulley is provided with a driving limiting groove in the circumferential direction, and the material loading mechanism 10 is abutted against the groove bottom of the driving limiting groove. Thus, the two groove walls of the active limiting groove have a limiting effect on the lower part of the loading mechanism 10, so as to limit the offset of the loading mechanism 10 together with the second limiting wheel 24 and the third limiting wheel 25, so as to keep the loading mechanism 10 moving on a preset moving path.

In one embodiment, the driving mechanism further includes a second transmission assembly abutting against the loading mechanism 10 and located in the gravity direction of the loading mechanism 10, the driving mechanism can drive the second transmission assembly to move by driving the loading mechanism 10 to rotate, and the second transmission assembly and the first limiting wheel 23 clamp the loading mechanism 10 together to prevent the loading mechanism 10 from being loosened. Wherein, the second transmission assembly can be arranged in sequence with the rolling platform. The second transmission assembly is unpowered, and the material loading mechanism 10 can drive the second transmission assembly to move through the friction force of the interface with the second transmission assembly. The second transmission member preferably abuts the edge surface 102.

The second transmission assembly comprises a plurality of driven pulleys, the driven pulleys extend along the conveying direction of the material loading mechanism 10 and are arranged, the rotating shafts of the driven pulleys extend in the same direction as the rotating axis of the material loading mechanism 10, the rotating shafts of the driven pulleys extend in the same direction as the rotating axis, and the material loading mechanism 10 can drive the driven pulleys connected with the driven pulleys to rotate. When the friction between the edge surface 102 and the driven pulley is greater than the self-rotation friction of the driven pulley, the rotation of the material loading mechanism 10 can drive the driven pulley to rotate, the rotation of the driven pulley disperses the rotation of the material loading mechanism 10 in the conveying direction, and the speed of the material loading mechanism 10 in the space displacement is reduced.

The driven pulley has an axial opening with a driven limit groove, and the material loading mechanism 10 is abutted against the bottom of the driven limit groove. Thus, the two groove walls of the driven limiting groove limit the position of the loading mechanism 10, so as to limit the offset of the loading mechanism 10 together with the second limiting wheel 24 and the third limiting wheel 25, so as to keep the loading mechanism 10 moving on the preset moving path.

The device for homogenizing and treating printed circuit boards further comprises a spraying mechanism (not shown) for soaking the surface to be treated with the liquid. The spraying mechanism enables the surface to be treated to be soaked in liquid again, so that the material loading mechanism 10 can carry out liquid homogenizing treatment on the printed circuit board 90 again. It can be understood that, in the process of further soaking the liquid, the material loading mechanism 10 rotates again to make the liquid uniformly distributed on the surface to be treated, so that the treatment effect of the surface to be treated is uniform. The soaking mode can be soaking or spraying.

The spraying mechanism comprises a circulating pipe and a nozzle which is connected with the circulating pipe and faces the material loading mechanism 10, the circulating pipe provides a flowing channel for liquid, and the nozzle can spray the liquid in the circulating pipe onto the material loading mechanism 10. Preferably, the flow pipe extends transversely, and the nozzles are arranged in a plurality of arrays along the extending direction of the flow pipe.

The device for homogenizing and treating the printed circuit board further comprises an air spraying mechanism (not shown) for spraying air on the surface to be treated so as to dry the surface to be treated. The air injection mechanism is used for uniformly blowing the surface to be treated so as to ensure that the drying effect is uniform.

In this embodiment, the printed circuit board leveling apparatus has three stations. And a spraying mechanism is arranged at the first station and is used for spraying developing solution to the surface to be processed so as to develop the surface to be processed. The material loading mechanism 10 makes the developing solution on the surface to be processed uniformly distributed through rotation, so that the developing effect of the surface to be processed is uniform. Optionally, the spraying mechanism can also be used for spraying etching liquid to the surface to be treated in the first station so as to etch the surface to be treated. The material loading mechanism 10 enables the etching solution on the surface to be processed to be uniformly distributed through rotation, so that the etching effect of the surface to be processed is uniform.

And the second station is provided with another spraying mechanism, and when the material loading mechanism 10 is conveyed to the second station, the spraying mechanism is used for spraying cleaning liquid to the surface to be treated so as to clean the surface to be treated. Wherein, the cleaning liquid can be clean water to clean the surface to be treated after further treatment.

And the third station is provided with an air injection mechanism, when the material loading mechanism 10 is conveyed to the third station, the air injection mechanism injects air to the surface to be treated, and the driving mechanism drives the material loading mechanism 10 to rotate so that the surface to be treated is dried uniformly.

Wherein, spray mechanism and air jet system and all can fix on a certain station to make loading mechanism 10 carry out further even liquid or stoving when moving to this station. The driving mechanism can drive the loading mechanism 10 to stay at a certain station within a preset time period while keeping autorotation so as to fully perform spraying or air injection treatment.

The foregoing is only a preferred embodiment of the present invention, and the technical principles of the present invention have been specifically described, and the description is only for the purpose of explaining the principles of the present invention, and should not be construed as limiting the scope of the present invention in any way. Any modifications, equivalents and improvements made within the spirit and principles of the invention and other embodiments of the invention without the creative effort of those skilled in the art are intended to be included within the protection scope of the invention.

Claims (15)

1. A device for processing uniform liquid of a printed circuit board, which is used for processing the printed circuit board, wherein the printed circuit board is provided with a surface to be processed, and is characterized by comprising:

the material loading mechanism is used for fixing the printed circuit board and enabling the surface to be processed to be vertical to a horizontal plane, and is provided with a sliding rail extending in an annular shape, and the plane where the sliding rail is located is parallel to the surface to be processed;

the supporting mechanism is connected with the sliding rail in a sliding mode and can limit the material loading mechanism to move along the gravity direction;

and the driving mechanism can drive the material loading mechanism to rotate so that the supporting mechanism slides along the sliding rail.

2. The printed circuit board leveler processing apparatus of claim 1, wherein the slide rail extends in a circular shape.

3. The apparatus according to claim 2, wherein said driving mechanism is capable of driving said loading mechanism to rotate around a rotation axis perpendicular to said surface to be processed, and a central axis corresponding to said slide rail coincides with said rotation axis.

4. The apparatus according to claim 3, wherein the loading mechanism is disc-shaped, the loading mechanism has a first side surface, a second side surface and an edge surface, the first side surface and the second side surface are disposed opposite to each other, the edge surface circumferentially surrounds the first side surface and the second side surface and faces away from a central axis of the loading mechanism, the slide rail is at least protruded from the first side surface, the supporting mechanism abuts against an inner ring surface of the slide rail, the first side surface and the second side surface are both parallel to the surface to be processed, and the central axis of the loading mechanism coincides with the central axis corresponding to the slide rail.

5. The apparatus according to claim 4, wherein the supporting mechanism comprises a supporting frame and a supporting wheel rotatably connected to the supporting frame and abutting against the inner annular surface of the slide rail, the supporting wheel has a rotation axis parallel to the rotation axis of the loading mechanism, and the supporting wheel is capable of rolling relative to the slide rail when the driving mechanism drives the loading mechanism to rotate.

6. The device for leveling printed circuit board according to claim 5, wherein the material loading mechanism has two of the slide rails, the two slide rails are respectively disposed on the first side surface and the second side surface, the central axes corresponding to the two slide rails are overlapped, the supporting mechanism comprises at least two of the supporting wheels, and at least two of the supporting wheels respectively abut against an inner annular surface of one of the slide rails.

7. The device for leveling printed circuit board according to claim 5, wherein the supporting mechanism further comprises a first limiting wheel rotatably connected to the supporting frame and abutting against the edge surface, the first limiting wheel is located on a side of the material loading mechanism facing away from the direction of gravity, and the first limiting wheel can limit the movement of the material loading mechanism facing away from the direction of gravity.

8. The device for leveling printed circuit board according to claim 5, wherein the supporting mechanism further comprises a second limiting wheel rotatably connected to the supporting frame and abutted against the first side surface and a third limiting wheel rotatably connected to the supporting frame and abutted against the second side surface, wherein the second limiting wheel and the third limiting wheel are used for limiting the movement of the loading mechanism along the rotation axis thereof.

9. The apparatus according to any one of claims 4 to 8, further comprising a rolling platform abutting against the loading mechanism, wherein the rolling platform extends along the conveying direction of the loading mechanism and abuts against the edge surface, and the driving mechanism is capable of driving the loading mechanism to roll on the rolling platform by driving the supporting mechanism to move along the conveying direction of the loading mechanism.

10. The apparatus according to any one of claims 4 to 8, wherein the driving mechanism further comprises a first transmission member abutting against the edge surface and located in a gravity direction of the loading mechanism, and the first transmission member is capable of driving the loading mechanism to rotate by friction.

11. The apparatus according to claim 10, wherein the first transmission assembly comprises a plurality of driving pulleys, the driving pulleys are arranged to extend along the conveying direction of the loading mechanism, the rotating shafts of the driving pulleys extend in the same direction as the rotating axis of the loading mechanism, and the driving pulleys can drive the loading mechanism to rotate.

12. The apparatus according to any one of claims 4 to 8, wherein said driving mechanism further comprises a second transmission member abutting against said loading mechanism and located in the direction of gravity of said loading mechanism, and said driving mechanism is capable of driving said second transmission member to move by driving said loading mechanism to rotate.

13. The printed circuit board leveling device according to claim 1, wherein the printed circuit board leveling device has a plurality of stations, and the driving mechanism is capable of driving the loading mechanism to move among the plurality of stations and also capable of keeping the loading mechanism rotating and staying at one of the stations.

14. The printed circuit board leveling apparatus according to claim 1, further comprising a spraying mechanism for wetting the surface to be treated with a liquid.

15. The printed circuit board leveling apparatus according to claim 1, further comprising an air spraying mechanism for spraying air to the surface to be treated to dry the surface to be treated.

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