Online automatic cooling device for PCB (Printed Circuit Board)

Abstract

The utility model provides a PCB on-line automatic cooling device, and relates to the technical field of cooling devices. The PCB online automatic cooling device comprises a frame body, a fixing frame is fixed to the upper end of the frame body, cooling fans are arranged on the two sides of the fixing frame, and a photoelectric sensor is arranged on one side of the fixing frame; a driving motor is fixed to one corner of the frame body, a driving roller is fixed to the driving end of the driving motor and connected with a driven roller through a conveying belt, a connecting structure is arranged at the other end of the driving roller, and a sliding frame is arranged on the connecting structure. The connecting structure can drive the sliding frame to reciprocate in the height direction of the connecting structure so as to turn over the PCB conveyed by the conveying belt. According to the PCB on-line automatic cooling device, the driving motor drives the driving roller to rotate, so that the effect of automatic turn-over is achieved, the effect of improving the use effect of the cooling device is achieved, the effect of automatic limiting is achieved, and the effect of improving the use stability of the cooling device is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCB online automatic cooling device belongs to the technical field of cooling device. BACKGROUND

[0002] PCB is the important electronic component, is the support body of electronic components, is the carrier of electronic components electricity connection, and the printed board develops from single layer to double -sided, multilayer and flexible, and the cooling mode of the existing PCB is forced air cooling, that is, the hot-pressed PCB is placed on the online automatic cooling device to carry out forced air cooling.

[0003] Although the existing cooling device can carry out routine air cooling operation to the PCB, but in the actual use process, since the cooling device lacks automatic turning function, the operator is difficult to carry out automatic turning operation to the PCB. During the cooling operation, one side of the PCB is in close contact with the conveying belt, so that the airflow of the side cannot effectively circulate, and the cooling medium is difficult to fully act, causing incomplete cooling phenomenon, greatly affecting the overall efficiency of the cooling device, and further making the use effect of the cooling device not good enough;

[0004] Secondly, in the transmission process, since the effective positioning and calibration mechanism is lacked, the PCB is prone to position deviation. The position of the PCB is not fixed, and the cooling airflow cannot accurately act on the preset position after entering the cooling device, not only reduces the uniformity and consistency of cooling, but also frequent position deviation causes the equipment to need additional adjustment, reduces the stability of the cooling device operation, and further makes the use stability of the cooling device insufficient. INVENTION CONTENTS

[0005] (I) technical problem solved

[0006] The utility model provides PCB online automatic cooling device to solve the problem that the use effect of the cooling device is not good enough and the use stability of the cooling device is insufficient in the prior art.

[0007] (II) technical scheme

[0008] The utility model is realized through the following technical scheme: PCB online automatic cooling device, including frame body, the fixed frame is fixed on the frame body upper end, the fixed frame both sides all are provided with cooling fan, the fixed frame one side is provided with photoelectric sensor;

[0009] The corner of the frame body is fixed with a driving motor, the driving end of the driving motor is fixed with a driving roller, the driving roller is connected with a driven roller through a conveying belt, and the other end of the driving roller is provided with a connecting structure, and a sliding frame is arranged on the connecting structure.

[0010] Preferably, the connecting structure comprises a driving frame, the outer surface of the driving frame is slidably connected with a connecting frame, a groove is formed in the middle of the connecting frame, and the one end of the connecting frame is fixed with a sliding frame.

[0011] Preferably, the one end of the driving frame is fixed at the one end of the driving roller, the other end of the driving frame is slidably connected with the inner wall of the groove, the vertical section of the driving frame is L-shaped, the outer surface of the driving roller is rotatably connected with the one end of the frame body, and the outer surface of the driven roller is rotatably connected with the other end of the frame body.

[0012] Preferably, the one end of the connecting frame is fixed at the one end of the sliding frame, the outer surface of the sliding frame is slidably connected with the middle inner wall of the fixed frame, the lower surface of the sliding frame is in contact with the outer surface of the conveying belt, and the vertical section of the sliding frame is L-shaped.

[0013] Preferably, the two sides of the sliding frame are fixed with supporting frames, the other ends of the two supporting frames are rotatably connected with connecting frames, the other ends of the two connecting frames are rotatably connected with limiting frames, and the two limiting frames are fixed with limiting rods on the two sides.

[0014] Preferably, the proximal ends of the two supporting frames are fixed on the two sides of the sliding frame, the distal ends of the two supporting frames are rotatably connected with the distal ends of the two connecting frames, and the proximal ends of the two connecting frames are rotatably connected with the middle portions of the upper ends of the two limiting frames.

[0015] Preferably, the two limiting frames are oppositely arranged, the lower surfaces of the two limiting frames are slidably connected with the outer surfaces of the two sides of the conveying belt, and the one ends of the two limiting rods are fixed on the two sides of the limiting frame.

[0016] The utility model provides a PCB on -line automatic cooling device, it has the beneficial effect as follows:

[0017] (1) the PCB on -line automatic cooling device, through the driving motor drive driving roller rotates operation, make driving frame, connecting frame, recess, sliding frame mutual cooperation operation, realize the effect of automatic turning over, make each face of PCB circuit board can be fully exposed in cooling airflow, improve the uniformity and thoroughness of cooling significantly, and then reach the effect of improving cooling device use effect.

[0018] (2) The PCB online automatic cooling device drives the driving roller to rotate through the driving motor, so that the support frame, the connecting frame, the limiting frame and the limiting rod work together to realize the effect of automatic limiting, can effectively avoid the position deviation of the PCB circuit board, ensure that the cooling airflow can always uniformly cover on the circuit board, make the cooling effect more stable and reliable, and further improve the stability of the cooling device. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a partial sectional view of the utility model;

[0021] Figure 3 It is the A part structure of the utility model Figure 2 enlarged view;

[0022] Figure 4 It is a schematic diagram of the local structure of the utility model.

[0023]

MAIN COMPONENT SYMBOL EXPLANATION

[0024] 1, frame body; 2, fixed frame; 3, cooling fan; 4, photoelectric sensor; 5, driving motor; 6, driving roller; 7, conveying belt; 8, driven roller; 9, driving frame; 10, connecting frame; 11, groove; 12, sliding frame; 13, support frame; 14, connecting frame; 15, limiting frame; 16, limiting rod. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0026] Embodiment one

[0027] The utility model embodiment provides a PCB online automatic cooling device.

[0028] Please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4, including the frame body 1, the fixed frame 2 is fixed on the upper end of the frame body 1, the cooling fan 3 is arranged on both sides of the fixed frame 2, the photoelectric sensor 4 is arranged on one side of the fixed frame 2, the cooling device takes the frame body 1 as the support base of the whole equipment, and stable mounting platforms are provided for other components; when the PCB circuit board is conveyed to the cooling area along the conveying belt 7, the PCB circuit board will first enter the specific space defined by the fixed frame 2; the fixed frame 2 not only plays a role in positioning and guiding the PCB circuit board, but more importantly, the photoelectric sensor 4 and the cooling fan 3 are reasonably installed in the fixed frame 2; when the PCB circuit board enters the inside of the fixed frame 2, the photoelectric sensor 4 is triggered; the sensor is essentially a device for converting an optical signal into an electrical signal; after being triggered, it will quickly send a start signal to the cooling fan 3; after receiving the signal sent by the photoelectric sensor 4, the cooling fan 3 starts to operate immediately; during the operation of the fan, strong airflow is generated, cold air is blown out to the surface of the PCB circuit board, and the PCB circuit board is efficiently cooled; with the stable support of the frame body 1, the accurate positioning of the fixed frame 2 and the cooperative operation of the photoelectric sensor 4 and the cooling fan 3, the cooling system realizes automatic and efficient cooling of the PCB circuit board.

[0029] The driving motor 5 is fixed at one corner of the frame body 1, the driving end of the driving motor 5 is fixed with the driving roller 6, the driving roller 6 is connected with the driven roller 8 through the conveying belt 7, and the other end of the driving roller 6 is provided with a connecting structure; the connecting structure comprises a driving frame 9, the outer surface of the driving frame 9 is slidably connected with a connecting frame 10, the middle part of the connecting frame 10 is provided with a groove 11, and one end of the connecting frame 10 is fixed with a sliding frame 12.

[0030] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , it is worth noting that one end of the driving frame 9 is fixed at one end of the driving roller 6, the other end of the driving frame 9 is slidably connected with the inner wall of the groove 11, the vertical section of the driving frame 9 is L-shaped, the outer surface of the driving roller 6 is rotatably connected with one end of the frame body 1, the outer surface of the driven roller 8 is rotatably connected with the other end of the frame body 1, one end of the connecting frame 10 is fixed with one end of the sliding frame 12, the outer surface of the sliding frame 12 is slidably connected with the inner wall of the middle part of the fixed frame 2, the lower surface of the sliding frame 12 is in contact with the outer surface of the conveying belt 7, and the vertical section of the sliding frame 12 is L-shaped.

[0031] The utility model discloses a cooling device for PCB circuit board, including fixed frame 2, cooling fan 3, photoelectric sensor 4, drive motor 5, driving roller 6 and conveyer belt 7, the fixed frame 2 is fixed on the ground, the cooling fan 3 is fixed on the fixed frame 2, the photoelectric sensor 4 is fixed on the fixed frame 2, the drive motor 5 is fixed on the fixed frame 2, the driving roller 6 is fixed on the drive motor 5, and the conveyer belt 7 is fixed on the driving roller 6.

[0032] Meanwhile, the driving frame 9 fixedly connected with the other end of the driving roller 6 rotates synchronously with the driving roller 6. In the rotating process, the driving frame 9 forms a clever cooperation with the connecting frame 10 by using the groove 11. The connecting frame 10 can stably move up and down under the double limiting actions of the sliding frame 12 and the fixed frame 2. When the sliding frame 12 moves downward to the lowermost position, it just contacts with the conveyer belt 7. At this time, the PCB circuit board continuously conveyed by the conveyer belt 7 meets the sliding frame 12. With the sliding frame 12 starts to move upward, the part of the PCB circuit board contacting with the sliding frame 12 is slowly lifted. Under the joint actions of the continuous conveying power of the conveyer belt 7 and the continuous upward lifting force of the sliding frame 12, the PCB circuit board gradually completes the turning-over action. The automatic turning-over effect is realized, so that each surface of the PCB circuit board can be fully exposed in the cooling air flow, which significantly improves the uniformity and completeness of the cooling, and further achieves the effect of improving the use effect of the cooling device.

[0033] Embodiment two

[0034] Please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , on the basis of embodiment one, the automatic limiting function is increased;

[0035] Please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4, specifically, the sliding frame 12 both sides are fixed with support frame 13, both support frame 13 the other end are rotatably connected with connecting frame 14, both connecting frame 14 the other end are rotatably connected with limiting frame 15, both limiting frame 15 both sides are fixed with limiting rod 16, both support frame 13 proximal end fixed in sliding frame 12 both sides, both support frame 13 away from the end rotatably connected in both connecting frame 14 away from the end, both connecting frame 14 proximal end rotatably connected in both limiting frame 15 upper middle, both limiting frame 15 are oppositely arranged, both limiting frame 15 lower surface slidingly connected in the conveying belt 7 both sides outer surface, wherein both limiting rod 16 one end fixed in limiting frame 15 both sides, both limiting rod 16 outer surface slidingly connected in frame body 1 inner wall.

[0036] The utility model discloses in using: through drive motor 5 drive driving roller 6 carries out rotating operation, and with fixed connection drive frame 9 synchronous rotation. Drive frame 9 in the rotating process, drive link frame 10 and the sliding frame 12 that are connected with link frame 10 carry out regular up and down reciprocating movement. Sliding frame 12 up and down reciprocating movement simultaneously, drive its both sides fixed mounting support frame 13 do same up and down reciprocating movement. Support frame 13 in the movement process, through with the connection of two connecting frame 14 respectively drive two limiting frame 15 movement. Because of the limiting relationship between limiting frame 15 and limiting rod 16 and frame body 1, under this limiting effect, two limiting frame 15 will carry out reverse sliding operation;

[0037] When two limiting frame 15 in the sliding process mutually close, they will produce the thrust to the PCB circuit board that is transported by conveying belt 7. Under the action of this thrust, PCB circuit board will be pushed to the central position of conveying belt 7, thereby realizes the automatic limiting of PCB circuit board, realizes the effect of automatic limiting, can effectively avoid the position deviation of PCB circuit board, ensures that cooling airflow can always evenly cover on the circuit board, makes cooling effect more stable and reliable, and then reaches the effect of improving the stability of cooling device.

[0038] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The skilled person in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. An on-line automatic cooling device for PCBs, comprising a frame (1), characterized in that: The fixed frame (2) is provided with cooling fans (3) on both sides, and is provided with a photoelectric sensor (4) on one side. The driving motor (5) is fixed at one corner of the frame (1), and the driving end of the driving motor (5) is fixed with a driving roller (6). The driving roller (6) is connected with a driven roller (8) through a conveying belt (7), and the other end of the driving roller (6) is provided with a connecting structure. The connecting structure is provided with a sliding frame (12) on the connecting structure. The connecting structure can move back and forth in the direction of its height with the sliding frame (12), so as to turn over the PCB circuit board conveyed through the conveying belt (7).

2. The apparatus according to claim 1, wherein: The connecting structure comprises a driving frame (9), and the outer surface of the driving frame (9) is slidably connected with a connecting frame (10). The connecting frame (10) is provided with a recess (11) in the middle. The connecting frame (10) is fixed with a sliding frame (12) at one end.

3. The apparatus according to claim 2, wherein: The driving frame (9) is fixed at one end of the driving roller (6), and the other end of the driving frame (9) is slidably connected with the inner wall of the recess (11). The vertical cutting surface of the driving frame (9) is L-shaped. The outer surface of the driving roller (6) is rotatably connected with one end of the frame (1). The outer surface of the driven roller (8) is rotatably connected with the other end of the frame (1).

4. The apparatus according to claim 2, wherein: The connecting frame (10) is fixed at one end of the sliding frame (12), and the outer surface of the sliding frame (12) is slidably connected with the inner wall of the fixed frame (2). The lower surface of the sliding frame (12) is in contact with the outer surface of the conveying belt (7). The vertical cutting surface of the sliding frame (12) is L-shaped.

5. The apparatus according to claim 1, wherein: The sliding frame (12) is fixed with a supporting frame (13) on both sides. The other end of the two supporting frames (13) is rotatably connected with a connecting frame (14). The other end of the two connecting frames (14) is rotatably connected with a limiting frame (15). The two limiting frames (15) are fixed with a limiting rod (16) on both sides.

6. The apparatus according to claim 5, wherein: The two supporting frames (13) are fixed on both sides of the sliding frame (12) near the end. The two supporting frames (13) are rotatably connected with the two connecting frames (14) away from the end. The two connecting frames (14) are rotatably connected with the two limiting frames (15) near the end.

7. The apparatus according to claim 5, wherein: The two limiting frames (15) are oppositely arranged, and the lower surfaces of the two limiting frames (15) are slidably connected with the outer surfaces of the conveying belt (7) on both sides. One end of the two limiting rods (16) is fixed on both sides of the limiting frame (15), and the outer surface of the two limiting rods (16) is slidably connected with the inner wall of the frame (1).

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