CN216784916U

CN216784916U - Automatic blanking device of printed circuit board cleaning machine

Info

Publication number: CN216784916U
Application number: CN202220117484.8U
Authority: CN
Inventors: 梁灿; 王毓友
Original assignee: Zhuhai Palladium Electronic Technology Co ltd
Current assignee: Zhuhai Palladium Electronic Technology Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-06-21
Anticipated expiration: 2032-01-17

Abstract

The utility model discloses an automatic blanking device of a printed circuit board cleaning machine, which comprises a rack, a conveying mechanism and a blanking mechanism, wherein the blanking mechanism comprises a blanking frame, a turning assembly and a loading assembly, the turning assembly comprises a rotating shaft, a connecting block sleeved on the rotating shaft and a turning frame fixedly arranged on the connecting block, and the turning frame can rotate to be in a horizontal state or a vertical state through the rotating shaft; the loading assembly comprises a blanking track and a loading frame fixedly arranged on the blanking track, and a pushing assembly for pushing the circuit board to be blanked is also fixedly arranged on the blanking frame. According to the utility model, the overturning assembly is arranged, so that the circuit board is overturned and discharged from the conveying mechanism onto the discharging track in the process of converting the overturning frame from the horizontal state to the vertical state, and then the circuit board is pushed out to the loading frame through the pushing assembly to complete discharging, so that the circuit board can be prevented from being damaged due to direct falling in the discharging process, and meanwhile, the circuit board is placed vertically after discharging, so that the surface abrasion of the circuit board can be avoided.

Description

Automatic blanking device of printed circuit board cleaning machine

Technical Field

The utility model relates to the technical field of automatic blanking devices of printed circuit board cleaning agents, in particular to an automatic blanking device of a printed circuit board cleaning machine.

Background

The printed circuit board is also called a PCB (printed Circuit Board) and is mainly used for realizing the electrical connection between electronic components; in the process of manufacturing printed circuit boards, dust, residue and the like remaining on the printed circuit boards can affect the quality of the printed circuit boards, so that the printed circuit boards need to be cleaned after the production of the printed circuit boards is completed, and the subsequent processes are prevented from being affected.

At present, printed circuit board washs the completion back, the discharge end of cleaning machine is directly transported to by the transmission device of cleaning machine usually, make printed circuit board directly drop to play and have certain difference in height's unloading bench from the discharge end, the mode of this kind of direct unloading leads to unloading bench to slide again after the circuit board unloading easily, lead to circuit board surface wear, the circuit board directly also leads to the clean effect of circuit board to reduce with unloading bench contact simultaneously, and, the circuit board directly drops to unloading bench and also leads to the circuit board to be broken easily, influence the normal use of circuit board.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides the blanking device of the cleaning agent for the printed circuit board, which can ensure the cleaning effect of the circuit board and can avoid the abrasion and the falling damage of the circuit board.

The technical scheme adopted by the utility model for solving the technical problem is as follows: an automatic blanking device of a printed circuit board cleaning machine comprises a rack, a conveying mechanism arranged in the rack and a blanking mechanism arranged at one end of the conveying mechanism, wherein the blanking mechanism comprises a blanking frame connected with one end of the rack, and a turning assembly and a loading assembly which are sequentially arranged on the blanking frame; the loading assembly comprises a blanking track arranged on the blanking frame and a loading frame fixedly arranged on the blanking track, and a pushing assembly for pushing the circuit board to be blanked is also fixedly arranged on the blanking frame.

Furthermore, promote the subassembly including fixed mounting on the unloading frame unloading cylinder, and with unloading cylinder piston rod fixed connection's promotion piece, promote the piece and be located unloading cylinder and keep away from transport mechanism one side, still vertical the installing has the inductor that is used for responding to whether there is the circuit board on the transport mechanism on the unloading cylinder.

Furthermore, transport mechanism includes that a plurality of equidistance are parallel to be located the transportation roller in the frame, each the transportation roller all includes the roller and adorns the rotary drum of cover in the roller, set up the breach that corresponds with the roll-over stand structure on the transportation roller, the gomphosis is in the breach when the roll-over stand upset is the level.

Furthermore, the section of the roll-over stand is of a J-shaped structure, and the bottom of the roll-over stand is provided with a bent hook part for bearing the circuit board.

Furthermore, the blanking track comprises rotating wheels symmetrically arranged on two inner side walls of the blanking frame and a conveying belt sleeved on the rotating wheels, and the loading frame is fixedly arranged on the end face of the conveying belt.

Further, the loading frame comprises a supporting part for supporting the circuit board and a supporting part for supporting the circuit board, the supporting part is parallel to the conveyor belt and is fixedly installed on the conveyor belt, and the supporting part inclines towards the direction far away from the conveying mechanism.

Furthermore, a track motor fixedly connected with the rotating wheel is fixedly installed on one side of the blanking frame.

Furthermore, a turnover motor is fixedly mounted on one side of the rack blanking frame, and an output shaft of the turnover motor is fixedly connected with the turnover shaft.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through arranging the turnover assembly, when the circuit board is transported into the turnover frame of the turnover assembly through the transport mechanism, the rotation of the turnover frame can be controlled through the rotating shaft, so that the turnover frame is changed from a horizontal state to a vertical state, the circuit board is turned over and discharged onto the discharging track from the transport mechanism, and then the circuit board is pushed out from the turnover frame to the loading frame through the pushing assembly to complete discharging.

2. The automatic blanking device pushes the circuit board out of the turnover frame into the loading assembly through the pushing cylinder and the pushing block arranged on the piston rod of the pushing cylinder, and simultaneously, the sensor is arranged on the pushing cylinder to sense the circuit board on the conveying mechanism, so that the pushing cylinder can be automatically controlled to be started to push the circuit board out of the turnover frame after the circuit board is turned over by the turnover frame, and the automatic blanking function is realized.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

fig. 2 is a top view of the present embodiment.

In the figure: 1. a frame; 2. a transport mechanism; 21. a transport roller; 211. a roll shaft; 212. a rotating drum; 213. a notch; 3. a blanking mechanism; 31. a blanking frame; 32. a turnover assembly; 321. a rotating shaft; 322. connecting blocks; 323. a roll-over stand; 324. a hook portion; 325. turning over a motor; 33. A loading assembly; 331. blanking a track; 3311. a rotating wheel; 3312. a conveyor belt; 332. a loading frame; 3321. an abutting portion; 3322. a support portion; 333. a track motor; 34. a pushing assembly; 341. a blanking cylinder; 342. a pushing block; 343. an inductor.

Detailed Description

In order that the present disclosure may be more readily and clearly understood, reference is now made to the following description taken in conjunction with the accompanying drawings.

It should be noted that the terms "center", "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc. used herein indicate orientations or positional relationships based on those shown in the drawings, and 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 constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. "plurality" means two or more unless otherwise specified.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

With reference to fig. 1 to 2, an automatic blanking device for printed circuit board cleaning agent includes a frame 1, a transportation mechanism 2 disposed in the frame 1, and a blanking mechanism 3 disposed at a discharge end of the transportation mechanism 2, wherein in this embodiment, the circuit board cleaned by the transportation mechanism 2 in the frame 1 is transported to the blanking mechanism 3 at the discharge end of the transportation mechanism 2 to complete blanking of the circuit board; the blanking mechanism 3 of the embodiment comprises a blanking frame 31 connected with the discharging end of the frame 1, and a turning component 32 and a loading component 33 which are sequentially arranged on the blanking frame 31, the circuit board on the transportation mechanism 2 is turned and blanked into the loading component 33 through the turning component 32 on the blanking frame 31, so that the circuit board can be temporarily stored in the loading component 33 in a vertical state after blanking, scratch damage caused by contact of the surface of the circuit board with other positions is avoided, normal work of the circuit board can be ensured, and meanwhile, the circuit board can be prevented from falling and being damaged by the turning and blanking mode of a single rotating component;

the turning assembly 32 of this embodiment includes a rotating shaft 321 with two ends rotatably connected to the blanking frame 31, connecting blocks 322 symmetrically and fixedly sleeved on the rotating shaft 321, and a turning frame 323 fixedly installed on the connecting blocks 322, wherein when the rotating shaft 321 rotates, the state of the turning frame 323 can be controlled, so that the turning frame 323 can be in a horizontal or vertical state; when the turnover frame 323 is in a horizontal state under the control of the rotating shaft 321, the turnover frame 323 lies on the conveying mechanism 2, the conveying mechanism 2 conveys the circuit board into the turnover frame 323 for loading, then the rotating shaft 321 rotates to drive the turnover frame 323 to turn from the horizontal state to a vertical state, the circuit board loaded in the turnover frame 323 is turned over from the conveying mechanism 2 for blanking into the blanking mechanism 3, and finally the circuit board is stored into the loading assembly 33 and temporarily stored to complete the blanking of the circuit board;

in this embodiment, the turnover motor 325 is fixedly installed at one side of the frame 1, and the output shaft of the turnover motor 325 is fixedly connected with the rotating shaft 321, so that when the turnover motor 325 is started, the rotating shaft 321 can be driven to rotate, and the turnover of the turnover frame 323 is further realized; the cross section of the turning frame 323 of the embodiment is of a J-shaped structure, the bottom of the turning frame 323 is provided with the hook portion 324, when the turning frame 323 is in a horizontal state for loading the circuit board, the side edge of the circuit board is embedded in the hook portion 324, so that when the turning frame 323 turns, the circuit board can be fixed through the hook portion 324, the circuit board can be prevented from falling from the turning frame 323 in the turning and blanking process to cause blanking failure, and the blanking success rate of the embodiment is ensured.

As shown in fig. 1 to 2, the loading assembly 33 of the present embodiment includes a blanking track 331 disposed on the blanking frame 31, and a loading frame 332 fixedly mounted on the blanking track 331, so that when the circuit board is blanked and temporarily stored in the loading assembly 33, the loading frame 332 can maintain a vertical state, thereby preventing the cleaning effect from decreasing or wearing due to the contact between the surface of the cleaned circuit board and other positions, and ensuring the cleaning effect of the circuit board; meanwhile, the loading frame 332 is fixedly arranged on the blanking track 331, so that the loading frame 332 can be controlled to move through the blanking track 331 in the embodiment, the loading frame 332 is ensured to be positioned at a proper position on the blanking track 331, the circuit board can be just abutted against the loading frame 332 when being overturned and blanked into the loading assembly 33 by the overturning frame 323, and the circuit board can be prevented from falling from the loading assembly 33 due to overlarge distance from the loading frame 332 after being overturned and blanked; meanwhile, when a certain number of circuit boards are loaded in the loading assembly 33, the newly-blanked circuit board is likely to fail to be blanked in the overturning manner due to the fact that the distance between the newly-blanked circuit board and the circuit board at the foremost end of the loading frame 332 is too short, so that the loading frame 332 is controlled to move backwards through the blanking track 331, sufficient space for overturning and blanking of the overturning assembly 32 is ensured, and the success rate of blanking is ensured;

the feeding track 331 of this embodiment includes rotating wheels 3311 symmetrically disposed on two inner sidewalls of the feeding frame 31 and a conveyor belt 3312 sleeved on the rotating wheels 3311, and meanwhile, the loading frame 332 includes a supporting portion 3321 for standing the circuit board and a supporting portion 3322 for supporting the circuit board, the supporting portion 3322 of the loading frame 332 of this embodiment is fixed on an end surface of the conveyor belt 3312, so that when the conveyor belt moves, the supporting portion 3322 fixed on the surface of the conveyor belt 3312 moves along with the conveyor belt 3312, thereby realizing the movement of the whole loading frame 332; the rail motor 333 fixedly connected to the rotating wheel 3311 is fixedly installed at one side of the feeding frame 31 in this embodiment, so that the rotating wheel 3311 can be controlled to rotate by the rail motor 333 to realize the movement of the conveyor belt 3312, thereby completing the adjustment of the position of the loading frame 332.

The abutting portion 3321 of the present embodiment is also inclined in a direction away from the transportation mechanism 2, so that when the circuit board abuts on the loading frame 332, the circuit board may have a certain angle with the vertical plane, thereby preventing the circuit board from falling from the other side of the loading frame 332 due to unstable standing.

As shown in fig. 1 to fig. 2, the blanking frame 31 of the embodiment is further fixedly installed with a pushing assembly 34, wherein the pushing assembly 34 is located at the front end of the loading assembly 33, and after the circuit board is turned over by the turning assembly 32 to be in an upright state, the circuit board can be pushed out from the turning frame 323 to the loading assembly 33 by the pushing assembly 34 for temporary storage;

the pushing assembly 34 of this embodiment includes a discharging cylinder 341 mounted on the discharging frame 31, and a pushing block 342 fixedly connected to a piston rod of the discharging cylinder 341, wherein the pushing block 342 is located at a side of the discharging cylinder 341 away from the transporting mechanism 2, and when the pushing cylinder works, the pushing block 342 can be controlled to abut against an end surface of the circuit board, so as to push the circuit board from the turning frame 323 into the loading assembly 33 to complete discharging;

the pushing cylinder of this embodiment is further provided with a sensor 343 for sensing a circuit board, when the circuit board exists in the transport mechanism 2 and is transported to the turning frame 323, the sensor 343 senses the circuit board, at this time, the sensor 343 controls the blanking cylinder 341 to work, so that the piston rod of the blanking cylinder 341 retracts, the overturning and blanking work of the interference overturning assembly 32 is placed, after the overturning assembly 32 finishes overturning, the sensor 343 controls the blanking cylinder 341 to move, so that the piston rod of the blanking cylinder 341 extends out, the circuit board on the turning frame 323 is pushed out from the turning frame 323 to the loading frame 332, and then the blanking of the circuit board is finished.

As shown in fig. 1 and fig. 2, the transportation mechanism 2 of this embodiment includes that a plurality of equidistance parallels locate the transportation roller 21 in the frame 1, wherein each transportation roller 21 all includes roller 211 and dress cover the rotary drum 212 on roller 211, this embodiment is through offering the breach 213 that corresponds with roll-over stand 323 structure on transportation roller 21, but the gomphosis is in breach 213 when roll-over stand 323 upset is the horizontality, and the height that roll-over stand 323 upset is behind the horizontality is less than the rotary drum 212 height, can guarantee that the circuit board can be successfully transported to in the roll-over stand 323, and then guaranteed the unloading success rate of this embodiment.

The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention should not be limited thereby, and any insubstantial changes and modifications made by those skilled in the art based on the present invention are within the scope of the present invention.

Claims

1. The utility model provides an automatic unloader of printed circuit board cleaning machine, includes the frame, locates the transport mechanism in the frame and locates the unloading mechanism of transport mechanism one end, its characterized in that: the blanking mechanism comprises a blanking frame connected with one end of the rack, and a turning assembly and a loading assembly which are sequentially arranged on the blanking frame, wherein the turning assembly comprises a rotating shaft rotationally connected to the blanking frame, a connecting block sleeved on the rotating shaft, and a turning frame fixedly arranged on the connecting block, and the turning frame can rotate to be in a horizontal state or a vertical state through the rotating shaft; the loading assembly comprises a blanking track arranged on the blanking frame and a loading frame fixedly arranged on the blanking track, and the blanking frame is also fixedly provided with a pushing assembly for pushing the circuit board to be blanked.

2. The automatic blanking device of a printed circuit board cleaning machine according to claim 1, characterized in that: the pushing assembly comprises a discharging cylinder fixedly mounted on the discharging frame and a pushing block fixedly connected with a piston rod of the discharging cylinder, the pushing block is located on one side, away from the conveying mechanism, of the discharging cylinder, and a sensor used for sensing whether a circuit board exists on the conveying mechanism or not is vertically mounted on the discharging cylinder.

3. The automatic blanking device of a printed circuit board cleaning machine according to claim 1, characterized in that: the conveying mechanism comprises a plurality of conveying rollers which are arranged in the rack in parallel at equal intervals, each conveying roller comprises a roller shaft and a rotary drum sleeved on the roller shaft, a notch corresponding to the structure of the turnover frame is formed in the conveying roller, and the turnover frame is embedded in the notch when turned horizontally.

4. The automatic blanking device of a printed circuit board cleaning machine according to claim 3, characterized in that: the section of the roll-over stand is of a J-shaped structure, and the bottom of the roll-over stand is provided with a hook part for bearing the circuit board.

5. The automatic blanking device of a printed circuit board cleaning machine according to claim 1, characterized in that: the blanking track comprises rotating wheels symmetrically arranged on two inner side walls of the blanking frame and a conveying belt sleeved on the rotating wheels, and the loading frame is fixedly arranged on the end face of the conveying belt.

6. The automatic blanking device of a printed circuit board cleaning machine according to claim 5, characterized in that: the loading frame comprises a supporting part and a supporting part, wherein the supporting part is used for supporting the circuit board, the supporting part is parallel to the conveyor belt and is fixedly arranged on the conveyor belt, and the supporting part inclines towards the direction far away from the conveying mechanism.

7. The automatic blanking device of a printed circuit board cleaning machine according to claim 6, characterized in that: and a track motor fixedly connected with the rotating wheel is fixedly installed on one side of the blanking frame.

8. The automatic blanking device of a printed circuit board cleaning machine according to claim 1, characterized in that: and a turnover motor is fixedly mounted on one side of the rack blanking frame, and an output shaft of the turnover motor is fixedly connected with the turnover shaft.