Automatic cooling machine for PCB (Printed Circuit Board)

Abstract

The utility model discloses an automatic cooling machine for a PCB (Printed Circuit Board). The automatic cooling machine comprises a rack, a control box, a feeding device, a storage device and a cooling device, the feeding device extends outwards from the front side of the machine frame, the material storage device is arranged on the rear side of the feeding device in a matched mode, the material storage device comprises the up-down driving mechanism, the plate width adjusting mechanism and the material storage frame, and the up-down driving mechanism is arranged on the machine frame in an up-down movable mode. The plate width adjusting mechanism is arranged on the up-down driving mechanism in a left-right moving mode and driven by the up-down driving mechanism to move up and down in a reciprocating mode, the storage rack is arranged on the plate width adjusting mechanism and driven by the plate width adjusting mechanism to move left and right in a reciprocating mode so as to adjust the plate width, and the cooling device is arranged beside the storage rack. According to the automatic cooling machine for the PCBs, the PCBs can be automatically conveyed, the functions of automatically storing the PCBs and rapidly cooling the PCBs are achieved, the quality of products is improved, the rate of defective products is reduced, convenience is brought to production, the temporary storage number of the PCBs is large, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of cooling machines, in particular to an automatic cooling machine for PCB boards. Background Art

[0002] With the continuous development of society, more and more mechanical equipment has been manufactured and widely used in agriculture, industry and service industries. There are many types of mechanical equipment. According to people's different needs, they have been further innovated and played an indispensable role in people's work and life. Mechanical equipment is everywhere.

[0003] The internal structure of mechanical equipment is becoming more and more complex, and the functions are becoming more and more diverse, and are constantly being improved. Mechanical equipment generally includes drive devices, speed change devices, transmission devices, working devices, braking devices, protective devices, lubrication devices, cooling devices, etc. Different devices play different roles in mechanical equipment.

[0004] In the production process of PCB boards, the PCB boards need to be cooled after reflow soldering and then sent to the next station for operation. At present, after reflow soldering, the PCB boards are usually directly passed through the conveying device to the next station. The cooling time of this production method is not enough, which will affect the operation of the next station, resulting in poor product quality and a high defective rate, which brings inconvenience to production. In addition, the temporary storage quantity of PCB boards on the conveying device is small, and the production efficiency is low, which cannot meet the existing needs. Therefore, it is necessary to study a new technical solution to improve the above problems. Utility Model Content

[0005] In view of this, the utility model aims at the deficiencies in the prior art, and its main purpose is to provide an automatic cooling machine for PCB boards, which can effectively solve the problems in the prior art that the cooling time of the PCB boards is insufficient, which will affect the operation of the next workstation, resulting in poor product quality, a high defective rate, a small number of PCB boards temporarily stored on the conveying device, and low production efficiency.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A PCB board automatic cooling machine comprises a frame, a control box, a feeding device, a storage device and a cooling device; the control box is arranged on the frame; the feeding device is arranged on the frame and extends outward from the front side of the frame, and the feeding device is electrically connected to the control box; the storage device is arranged on the frame and is located at the rear side of the feeding device, and the storage device is electrically connected to the control box; the storage device comprises an upper and lower driving mechanism, a board width adjustment mechanism and a storage rack, the upper and lower driving mechanism can be movably arranged on the frame up and down, the upper and lower driving mechanism is electrically connected to the control box, the board width adjustment mechanism can be movably arranged on the upper and lower driving mechanism left and right and driven by the upper and lower driving mechanism to move back and forth up and down, the board width adjustment mechanism is electrically connected to the control box, the storage rack is arranged on the board width adjustment mechanism and driven by the board width adjustment mechanism to move back and forth left and right to adjust the board width; the cooling device is arranged on the frame and is located on the side of the storage device, and the cooling device is electrically connected to the control box.

[0008] As a preferred solution, the feeding device includes a conveying rail, a first motor and a conveyor belt. The conveying rail is arranged on the front side of the frame. A guide groove for guiding the PCB board is arranged on the conveying rail. The first motor is rotatably arranged on the conveying rail. The first motor is electrically connected to the control box. The conveyor belt can be movably arranged on the conveying rail and is located beside the guide groove. The conveyor belt is driven by the first motor to move back and forth.

[0009] As a preferred embodiment, the up and down driving mechanism includes a bracket, a guide shaft, a linear bearing, a first ball screw, a second motor, a skateboard and a drag chain; the bracket is arranged on the frame, the guide shaft is longitudinally arranged on the bracket, the linear bearing can be movably arranged on the guide shaft up and down, the first ball screw is longitudinally arranged on the bracket and is located on the side of the guide shaft, the second motor is arranged on the frame and drives the first ball screw to rotate through a belt, the second motor is electrically connected to the control box, the skateboard is arranged on the first ball screw and the linear bearing and is driven by the first ball screw to move up and down along the guide shaft, one end of the drag chain is connected to the storage rack, and the other end of the drag chain is connected to the bracket, and the plate width adjustment mechanism is arranged on the skateboard and moves up and down with the skateboard.

[0010] As a preferred solution, a plurality of first photoelectric sensors are arranged on the bracket, and the plurality of first photoelectric sensors are electrically connected to the control box.

[0011] As a preferred solution, the plate width adjustment mechanism includes a base plate, a directional guide rail, a second ball screw, a third motor, a fixed block and an adjusting block, the base plate is arranged on the upper and lower driving mechanisms, the directional guide rail is arranged transversely on the base plate, the second ball screw is arranged transversely on the base plate and is located on the side of the directional guide rail, the third motor is arranged on the base plate and is located on the side of the second ball screw, the third motor drives the second ball screw to rotate, the third motor is electrically connected to the control box, the fixed block is fixedly arranged on the directional guide rail, the adjusting block is arranged on the second ball screw and the directional guide rail and is driven by the second ball screw to move back and forth along the directional guide rail; the storage rack includes a left guide assembly and a right guide assembly for cooperating in placing the PCB board, the left guide assembly is arranged on the adjusting block and is driven by the adjusting block to move back and forth, and the right guide assembly is arranged on the fixed block.

[0012] As a preferred solution, a plurality of second photoelectric sensors are arranged on the bottom plate, and the plurality of second photoelectric sensors are electrically connected to the control box.

[0013] As a preferred solution, the left guide assembly includes a left side plate, a plurality of left motors and a plurality of left belts; the left side plate is provided with a plurality of left positioning grooves for positioning the PCB board, the plurality of left motors are rotatably arranged on the left side plate and are located beside the corresponding left positioning grooves, the plurality of left motors are electrically connected to the control box, the plurality of left belts are arranged on the corresponding left motors and are driven by the corresponding left motors to move back and forth, and the plurality of left belts are located beside the corresponding left positioning grooves; the right guide assembly includes a right side plate, a plurality of right motors and a plurality of right belts; the right side plate is provided with a plurality of right positioning grooves for positioning the PCB board, the plurality of right positioning grooves cooperate with the corresponding left positioning grooves to store the PCB board, the plurality of right motors are rotatably arranged on the right side plate and are located beside the corresponding right positioning grooves, the plurality of right motors are electrically connected to the control box, the plurality of right belts are arranged on the corresponding right motors and are driven by the corresponding right motors to move back and forth, and the plurality of right belts are located beside the corresponding right positioning grooves.

[0014] As a preferred solution, the cooling device includes multiple first fans and multiple second fans, the multiple first fans are arranged on one side of the rack to form an air inlet, and the multiple second fans are arranged on a side of the rack opposite to the above side to form an exhaust port.

[0015] As a preferred solution, a plurality of Forma wheels are arranged at the bottom of the frame.

[0016] As a preferred solution, a shell is provided on the frame, the feeding device extends outward from the shell, the storage device is provided in the shell, and the cooling device is provided on the shell.

[0017] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that:

[0018] The feeding device is arranged on the frame and extends outward from the front side of the frame, and the storage device is arranged on the frame and located at the rear side of the feeding device, the storage device includes an upper and lower driving mechanism, a plate width adjustment mechanism and a storage rack, the upper and lower driving mechanism can be movably arranged on the frame up and down, the plate width adjustment mechanism can be movably arranged on the upper and lower driving mechanism left and right and is driven by the upper and lower driving mechanism to move back and forth up and down, the storage rack is arranged on the plate width adjustment mechanism and is driven by the plate width adjustment mechanism to move back and forth left and right to adjust the plate width, the cooling device is arranged on the frame and located on the side of the storage device, the feeding device, the upper and lower driving mechanism, the plate width adjustment mechanism and the cooling device are all electrically connected to the control box, this PCB board automatic cooling machine can automatically convey PCB boards, and realize the functions of automatic storage and rapid cooling of PCB boards, improve product quality, reduce defective product rate, bring convenience to production, and the temporary storage quantity of PCB boards is large, which greatly improves production efficiency and meets existing needs.

[0019] In order to more clearly illustrate the structural features and functions of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of a preferred embodiment of the utility model;

[0021] Figure 2 It is a three-dimensional structural schematic diagram of another angle of a preferred embodiment of the utility model;

[0022] Figure 3 It is a partial structural schematic diagram of a preferred embodiment of the utility model;

[0023] Figure 4 It is a three-dimensional structural schematic diagram of a feeding device and a storage device in a preferred embodiment of the utility model;

[0024] Figure 5 It is a three-dimensional structural schematic diagram of the feeding device and the storage device in another angle in the preferred embodiment of the utility model;

[0025] Figure 6 It is a three-dimensional structural schematic diagram of the feeding device in the preferred embodiment of the utility model;

[0026] Figure 7 It is a three-dimensional structural schematic diagram of the upper and lower driving mechanism in the preferred embodiment of the utility model;

[0027] Figure 8It is a three-dimensional structural schematic diagram of the board width adjustment mechanism in a preferred embodiment of the utility model;

[0028] Fig. 9 It is a front view of the board width adjustment mechanism in a preferred embodiment of the utility model;

[0029] Fig.10 It is a three-dimensional structural schematic diagram of the left guide assembly in the preferred embodiment of the utility model;

[0030] Fig.11 It is a three-dimensional structural schematic diagram of the right guide assembly in the preferred embodiment of the utility model.

[0031] Description of the accompanying drawings:

[0032] 10. Frame 20. Feeding device

[0033] 21. Conveying guide rail 211. Guide groove

[0034] 22. First motor 23. Conveyor belt

[0035] 30. Storage device 31. Up and down driving mechanism

[0036] 311, bracket 312, guide shaft

[0037] 313, linear bearing 314, first ball screw

[0038] 315, second motor 316, slide plate

[0039] 317, drag chain 318, first photoelectric sensor

[0040] 32. Plate width adjustment mechanism 321. Bottom plate

[0041] 322, directional guide rail 323, second ball screw

[0042] 324. Third motor 325. Fixed block

[0043] 326. Adjustment block 327. Second photoelectric sensor

[0044] 33. Storage rack 331. Left guide assembly

[0045] 3311, left side panel 3312, left motor

[0046] 3313, left belt 3301, left positioning groove

[0047] 332, right guide assembly 3321, right side plate

[0048] 3322, right motor 3323, right belt

[0049] 3302, right positioning slot 40, cooling device

[0050] 41. First fan 42. Second fan

[0051] 401, air inlet 402, exhaust outlet

[0052] 50, PCB board 60, Fuma wheel

[0053] 70. Shell. DETAILED DESCRIPTION

[0054] Please refer to Figures 1 to 11 As shown, it shows the specific structure of a preferred embodiment of the utility model, including a frame 10, a control box (not shown in the figure), a feeding device 20, a storage device 30 and a cooling device 40.

[0055] The control box is arranged on the frame 10; in the present embodiment, a plurality of Forma wheels 60 are arranged at the bottom of the frame 10; a shell 70 is arranged on the frame 10, the feeding device 20 extends outward from the shell 70, the storage device 30 is arranged in the shell 70, and the cooling device 40 is arranged on the shell 70.

[0056] The feeding device 20 is arranged on the frame 10 and extends outward from the front side of the frame 10, and the feeding device 20 is electrically connected to the control box; in the present embodiment, the feeding device 20 comprises a conveying rail 21, a first motor 22 and a conveyor belt 23, the conveying rail 21 is arranged on the front side of the frame 10, a guide groove 211 for guiding the PCB board 50 is arranged on the conveying rail 21, the first motor 22 is rotatably arranged on the conveying rail 21, the first motor 22 is electrically connected to the control box, the conveyor belt 23 can be movably arranged on the conveying rail 21 back and forth and is located beside the guide groove 211, and the conveyor belt 23 is driven by the first motor 22 to move back and forth.

[0057] The storage device 30 is arranged on the frame 10 and is located at the rear side of the feeding device 20, and the storage device 30 is electrically connected to the control box; the storage device 30 includes an up and down driving mechanism 31, a plate width adjustment mechanism 32 and a storage rack 33, the up and down driving mechanism 31 can be movably arranged on the frame 10 up and down, the up and down driving mechanism 31 is electrically connected to the control box, the plate width adjustment mechanism 32 can be movably arranged on the up and down driving mechanism 31 and is driven by the up and down driving mechanism 31 to move up and down back and forth, the plate width adjustment mechanism 32 is electrically connected to the control box, and the storage rack 33 is arranged on the plate width adjustment mechanism 32 and is driven by the plate width adjustment mechanism 32 to move back and forth to adjust the plate width.

[0058] In this embodiment, the up and down driving mechanism 31 includes a bracket 311, a guide shaft 312, a linear bearing 313, a first ball screw 314, a second motor 315, a slide plate 316 and a drag chain 317; the bracket 311 is arranged on the frame 10, the guide shaft 312 is longitudinally arranged on the bracket 311, the linear bearing 313 can be movably arranged on the guide shaft 312 up and down, the first ball screw 314 is longitudinally arranged on the bracket 311 and is located on the side of the guide shaft 312, the second motor 315 is arranged on the frame 10 and drives the first ball screw 314 to rotate through a belt, and the second motor 315 is electrically connected to the control box. The slide plate 316 is arranged on the first ball screw 314 and the linear bearing 313 and is driven by the first ball screw 314 to move back and forth along the guide shaft 312. One end of the drag chain 317 is connected to the storage rack 33, and the other end of the drag chain 317 is connected to the bracket 311. The plate width adjustment mechanism 32 is arranged on the slide plate 316 and moves back and forth with the slide plate 316. A plurality of first photoelectric sensors 318 are arranged on the bracket 311, and the plurality of first photoelectric sensors 318 are electrically connected to the control box. The plurality of first photoelectric sensors 318 are used to detect the height position information of the storage rack 33 and transmit the information to the control box.

[0059] In this embodiment, the plate width adjustment mechanism 32 includes a base plate 321, a directional guide rail 322, a second ball screw 323, a third motor 324, a fixed block 325 and an adjustment block 326. The base plate 321 is arranged on the upper and lower driving mechanism 31, the directional guide rail 322 is horizontally arranged on the base plate 321, the second ball screw 323 is horizontally arranged on the base plate 321 and is located on the side of the directional guide rail 322, the third motor 324 is arranged on the base plate 321 and is located on the side of the second ball screw 323, the third motor 324 drives the second ball screw 323 to rotate, the third motor 324 is electrically connected to the control box, the fixed block 325 is fixedly arranged on the directional guide rail 322, and the adjustment The node block 326 is arranged on the second ball screw 323 and the directional guide rail 322 and is driven by the second ball screw 323 to move back and forth along the directional guide rail 322; the storage rack 33 includes a left guide component 331 and a right guide component 332 for cooperating in placing the PCB board 50, the left guide component 331 is arranged on the adjustment block 326 and is driven by the adjustment block 326 to move back and forth, and the right guide component 332 is arranged on the fixed block 325; a plurality of second photoelectric sensors 327 are arranged on the bottom plate 321, and the plurality of second photoelectric sensors 327 are electrically connected to the control box, and the plurality of second photoelectric sensors 327 are used to detect the position information of the adjustment block 326 and transmit this information to the control box.

[0060] Specifically, the left guide assembly 331 includes a left side plate 3311, a plurality of left motors 3312 and a plurality of left belts 3313; the left side plate 3311 is provided with a plurality of left positioning grooves 3301 for positioning the PCB board 50, the plurality of left motors 3312 are rotatably arranged on the left side plate 3311 and are located beside the corresponding left positioning grooves 3301, the plurality of left motors 3312 are electrically connected to the control box, the plurality of left belts 3313 are arranged on the corresponding left motors 3312 and are driven by the corresponding left motors 3312 to move back and forth, and the plurality of left belts 3313 are located beside the corresponding left positioning grooves 3301; the right guide assembly 332 includes a right The right side plate 3321 comprises a plurality of right motors 3322 and a plurality of right belts 3323; the right side plate 3321 is provided with a plurality of right positioning grooves 3302 for positioning the PCB board 50, the plurality of right positioning grooves 3302 cooperate with the corresponding left positioning grooves 3301 to store the PCB board 50, the plurality of right motors 3322 are rotatably arranged on the right side plate 3321 and are located beside the corresponding right positioning grooves 3302, the plurality of right motors 3322 are electrically connected to the control box, the plurality of right belts 3323 are arranged on the corresponding right motors 3322 and are driven by the corresponding right motors 3322 to move back and forth, and the plurality of right belts 3323 are located beside the corresponding right positioning grooves 3302.

[0061] The cooling device 40 is arranged on the rack 10 and is located on the side of the storage device 30. The cooling device 40 is electrically connected to the control box. In the present embodiment, the cooling device 40 includes a plurality of first fans 41 and a plurality of second fans 42. The plurality of first fans 41 are arranged on one side of the rack 10 to form an air inlet 401, and the plurality of second fans 42 are arranged on a side of the rack 10 opposite to the above-mentioned side to form an exhaust port 402.

[0062] The working process of this embodiment is described in detail as follows:

[0063] First, according to different needs, the board width adjustment mechanism 32 is adjusted through the control box to adjust the required width of the storage rack 33 for storing the PCB board 50; then, the machine is started, and the PCB board 50 is placed in the guide groove 211 of the conveying guide rail 21 for conveying the PCB board 50, and the feeding device 20 conveys the PCB board 50 to the left positioning groove 3301 and the right positioning groove 3302 of the storage rack 33, and the left motor 3312 rotates to drive the left belt 3313 to move backward, and cooperates with the right motor 3322 to rotate to drive the right belt 3323 to move backward to drive the PCB board 50 to move backward, and then the PCB board 50 is stored in the storage rack 33; after storing one PCB board 50, the upper and lower driving mechanism 31 drives the board width adjustment mechanism 32 and the storage rack 33 to move downward, and then the next PCB board 50 is placed in the guide groove 211 of the conveying guide rail 21, and the above operation is repeated to store multiple PCB boards 50 in the storage rack 33.

[0064] When the first fan 41 and the second fan 42 in the cooling device 40 are working, air flows in from the air inlet 401 and flows out from the exhaust port 402. When passing through the storage rack 33, the heat on the PCB board 50 can be taken away. The first fan 41 and the second fan 42 can increase the air circulation rate and accelerate the cooling of the PCB board 50.

[0065] The design focus of this utility model is:

[0066] The feeding device is arranged on the frame and extends outward from the front side of the frame, and the storage device is arranged on the frame and located at the rear side of the feeding device, the storage device includes an upper and lower driving mechanism, a plate width adjustment mechanism and a storage rack, the upper and lower driving mechanism can be movably arranged on the frame up and down, the plate width adjustment mechanism can be movably arranged on the upper and lower driving mechanism left and right and is driven by the upper and lower driving mechanism to move back and forth up and down, the storage rack is arranged on the plate width adjustment mechanism and is driven by the plate width adjustment mechanism to move back and forth left and right to adjust the plate width, the cooling device is arranged on the frame and located on the side of the storage device, the feeding device, the upper and lower driving mechanism, the plate width adjustment mechanism and the cooling device are all electrically connected to the control box, this PCB board automatic cooling machine can automatically convey PCB boards, and realize the functions of automatic storage and rapid cooling of PCB boards, improve product quality, reduce defective product rate, bring convenience to production, and the temporary storage quantity of PCB boards is large, which greatly improves production efficiency and meets existing needs.

[0067] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any slight modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A PCB board automatic cooling machine, characterized in that: The machine comprises a frame, a control box, a feeding device, a storage device and a cooling device; the control box is arranged on the frame; the feeding device is arranged on the frame and extends outward from the front side of the frame, and the feeding device is electrically connected to the control box; the storage device is arranged on the frame and is located at the rear side of the feeding device, and the storage device is electrically connected to the control box; the storage device comprises an upper and lower driving mechanism, a plate width adjustment mechanism and a storage rack, the upper and lower driving mechanism can be movably arranged on the frame up and down, the upper and lower driving mechanism is electrically connected to the control box, the plate width adjustment mechanism can be movably arranged on the upper and lower driving mechanism left and right and is driven by the upper and lower driving mechanism to move back and forth up and down, the plate width adjustment mechanism is electrically connected to the control box, the storage rack is arranged on the plate width adjustment mechanism and is driven by the plate width adjustment mechanism to move back and forth left and right to adjust the plate width; the cooling device is arranged on the frame and is located on the side of the storage device, and the cooling device is electrically connected to the control box.

2. The automatic cooling machine for PCB boards according to claim 1, characterized in that: The feeding device includes a conveying guide rail, a first motor and a conveyor belt. The conveying guide rail is arranged on the front side of the frame. A guide groove for guiding the PCB board is arranged on the conveying guide rail. The first motor is rotatably arranged on the conveying guide rail. The first motor is electrically connected to the control box. The conveyor belt can be movably arranged on the conveying guide rail and is located beside the guide groove. The conveyor belt is driven by the first motor to move back and forth.

3. The automatic cooling machine for PCB boards according to claim 1, characterized in that: The up and down driving mechanism includes a bracket, a guide shaft, a linear bearing, a first ball screw, a second motor, a skateboard and a drag chain; the bracket is arranged on the frame, the guide shaft is longitudinally arranged on the bracket, the linear bearing can be movably arranged on the guide shaft up and down, the first ball screw is longitudinally arranged on the bracket and is located on the side of the guide shaft, the second motor is arranged on the frame and drives the first ball screw to rotate through a belt, the second motor is electrically connected to the control box, the skateboard is arranged on the first ball screw and the linear bearing and is driven by the first ball screw to move up and down along the guide shaft, one end of the drag chain is connected to the storage rack, and the other end of the drag chain is connected to the bracket, and the plate width adjustment mechanism is arranged on the skateboard and moves up and down with the skateboard.

4. The automatic cooling machine for PCB boards according to claim 3 is characterized in that: A plurality of first photoelectric sensors are arranged on the bracket, and the plurality of first photoelectric sensors are electrically connected to the control box.

5. The automatic cooling machine for PCB boards according to claim 1, characterized in that: The plate width adjustment mechanism includes a base plate, a directional guide rail, a second ball screw, a third motor, a fixed block and an adjusting block, the base plate is arranged on the upper and lower driving mechanisms, the directional guide rail is arranged transversely on the base plate, the second ball screw is arranged transversely on the base plate and is located on the side of the directional guide rail, the third motor is arranged on the base plate and is located on the side of the second ball screw, the third motor drives the second ball screw to rotate, the third motor is electrically connected to the control box, the fixed block is fixedly arranged on the directional guide rail, the adjusting block is arranged on the second ball screw and the directional guide rail and is driven by the second ball screw to move back and forth along the directional guide rail; the storage rack includes a left guide assembly and a right guide assembly for cooperating to place the PCB board, the left guide assembly is arranged on the adjusting block and is driven by the adjusting block to move back and forth, and the right guide assembly is arranged on the fixed block.

6. The automatic cooling machine for PCB boards according to claim 5, characterized in that: A plurality of second photoelectric sensors are arranged on the bottom plate, and the plurality of second photoelectric sensors are electrically connected to the control box.

7. The automatic cooling machine for PCB boards according to claim 5, characterized in that: The left guide assembly includes a left side plate, a plurality of left motors and a plurality of left belts; a plurality of left positioning grooves for positioning the PCB board are arranged on the left side plate, the plurality of left motors are rotatably arranged on the left side plate and are located beside the corresponding left positioning grooves, the plurality of left motors are electrically connected to the control box, the plurality of left belts are arranged on the corresponding left motors and are driven by the corresponding left motors to move back and forth, and the plurality of left belts are located beside the corresponding left positioning grooves; the right guide assembly includes a right side plate, a plurality of right motors and a plurality of right belts; a plurality of right positioning grooves for positioning the PCB board are arranged on the right side plate, the plurality of right positioning grooves cooperate with the corresponding left positioning grooves to store the PCB board, the plurality of right motors are rotatably arranged on the right side plate and are located beside the corresponding right positioning grooves, the plurality of right motors are electrically connected to the control box, the plurality of right belts are arranged on the corresponding right motors and are driven by the corresponding right motors to move back and forth, and the plurality of right belts are located beside the corresponding right positioning grooves.

8. The automatic cooling machine for PCB boards according to claim 1, characterized in that: The cooling device includes a plurality of first fans and a plurality of second fans. The plurality of first fans are arranged on a side of the frame to form an air inlet, and the plurality of second fans are arranged on a side of the frame opposite to the above side to form an air outlet.

9. The automatic cooling machine for PCB boards according to claim 1, characterized in that: A plurality of Forma wheels are arranged at the bottom of the frame.

10. The automatic cooling machine for PCB boards according to claim 1, characterized in that: The frame is provided with a shell, the feeding device extends outward from the shell, the storage device is arranged in the shell, and the cooling device is arranged on the shell.

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