PCB cleaning machine for SMT production

Abstract

The utility model discloses a PCB (printed circuit board) cleaning machine for SMT (surface mount technology) production, which relates to the technical field of PCB cleaning equipment and comprises a box body, a conveying plate and a supporting plate, the conveying plate is mounted at the top of the back of the box body, and the supporting plate is mounted on one side of the front of the box body. A first servo motor can drive two threaded rods to rotate at the same time, then a movable block and a fixed plate can be driven to move, and then through arrangement of a first electric telescopic cylinder and a second electric telescopic cylinder, the position of a clamping assembly can be adjusted so as to adapt to PCBs of different sizes and shapes; and the PCB is conveyed to the ultrasonic cleaning chamber through the clamping assembly to be cleaned, the PCB can be air-dried immediately after being cleaned through the air-drying assembly installed at the top of the box body, and the PCB cleaning efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCB cleaning equipment technical field, concretely is a kind of PCB cleaning machine for SMT production. BACKGROUND

[0002] SMT refers to surface mount technology, also called surface mount technology, it is the most popular technology and process in current electronic assembly industry, PCB cleaning machine for SMT production is a kind of efficient, professional cleaning equipment, mainly used to remove the residual, dirt and static electricity on the surface of printed PCB circuit board, ensure the cleanliness of PCB, improve production efficiency and product quality.

[0003] Patent document CN209810799U discloses a kind of PCB cleaning machine, it discloses "the utility model embodiment discloses a kind of PCB cleaning machine, including industrial computer, vacuum pump, left ultrasonic mechanism, right ultrasonic mechanism, left cleaning tank, right cleaning tank, left drying mechanism, right drying mechanism, left draining basket and right draining basket, left cleaning tank and right cleaning tank are communicated by a pipeline, electromagnetic valve is arranged in pipeline;The upper portion of left cleaning tank and right cleaning tank is all opened, the opening of left cleaning tank is around with the left cover plate that can be turned over, the opening of right cleaning tank is around with the right cover plate that can be turned over;Left draining basket is set on left cover plate and is located in left cleaning tank, right draining basket is set on right cover plate and is located in right cleaning tank;Left drying mechanism is arranged in left cleaning tank, right drying mechanism is arranged in right cleaning tank.The utility model embodiment is alternately used by using left cleaning tank, right cleaning tank, respectively carries out cleaning and drying action, improves cleaning efficiency, solves the problem of single function, and then meets the multifunctional demand of people.".

[0004] However, the PCB cleaning machine of the above-mentioned disclosure mainly considers how to carry out cleaning and drying actions respectively, improves the use demand of multifunction, and is inconvenient for clamping PCB boards of different sizes and shapes.

[0005] Therefore, it is necessary to study a PCB cleaning machine for SMT production, which can improve the cleaning efficiency of the PCB cleaning machine during use. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a kind of PCB cleaning machine for SMT production to solve the technical problems raised in the above background art.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme, a kind of PCB cleaning machine for SMT production, including box, conveying plate and support plate, the top of the back surface of the box is installed with conveying plate, one side of the front surface of the box is installed with support plate;

[0008] The inside of the box is provided with an ultrasonic cleaning chamber filled with a cleaning water flow, the bottom of the box is provided with an ultrasonic generator, the top of the front of the box is provided with an inlet, the top of the back of the box is provided with an outlet, and the top of the box is provided with a drying assembly for drying the cleaned PCB.

[0009] The front of the support plate is provided with a first servo motor, the output end of the first servo motor is provided with a first driving roller, the outer wall of the first driving roller is provided with a first transmission belt, the other end of the inner wall of the first transmission belt is provided with a first driven roller, one end of the first driving roller and the first driven roller is provided with a threaded rod, the outer wall of the threaded rod is provided with a moving block, one end of the moving block is provided with a fixed plate, the fixed plate is provided with a sliding groove, the top of the fixed plate is provided with a first electric telescopic cylinder, the output end of the first electric telescopic cylinder is provided with a second electric telescopic cylinder clamping assembly, the tail end of the top of the second electric telescopic cylinder is movably connected to the inner wall of the sliding groove, the tail end of the top of the second electric telescopic cylinder is connected to the bottom of the output end of the first electric telescopic cylinder, one end of the second electric telescopic cylinder is provided with a clamping assembly, and the clamping assembly is used for clamping the PCB.

[0010] Preferably, the clamping assembly comprises a second servo motor, one end of the second servo motor is connected to the output end of the second electric telescopic cylinder, the output end of the second servo motor is provided with an upper clamping plate, the tail end of the top of the upper clamping plate is provided with a group of third electric telescopic cylinders, the output end of the third electric telescopic cylinder is provided with a lower clamping plate.

[0011] Preferably, the bottom of the upper clamping plate and the top of the lower clamping plate are provided with a mounting groove, one side of the upper clamping plate and the lower clamping plate is provided with a third servo motor, the output end of the third servo motor is provided with a second driving roller, the outer wall of the second driving roller is provided with a second transmission belt, the inner wall of the second transmission belt is provided with a plurality of second driven rollers, and the second driven rollers are mounted in the mounting groove.

[0012] Preferably, the middle of the back of the box is provided with a water inlet pipe, the bottom of the back of the box is provided with a drain pipe, the outer wall of the water inlet pipe and the drain pipe is provided with a solenoid valve, the inner wall of the box is provided with a group of moving grooves, and the outer wall of the moving block is movably connected to the inner wall of the moving groove.

[0013] Preferably, the drying assembly comprises an air inlet pipe, the air inlet pipe is connected to the middle of the top of the box, the top of the inner wall of the air inlet pipe is provided with a dust filter, and the middle of the inner wall of the air inlet pipe is provided with a fan.

[0014] Preferably, the top of the conveying plate is provided with a groove, and one side of the conveying plate is provided with a fourth servo motor.

[0015] Preferably, the output end of the fourth servo motor is provided with a third driving roller, the outer wall of the third driving roller is provided with a third transmission belt, and the inner wall of the third transmission belt is provided with a plurality of third driven rollers.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1、The utility model discloses a first driving roller, first transmission belt and first driven roller are set, and the first servo motor can drive two threaded rods to rotate simultaneously, and then can drive the moving block and fixed plate to move, and then the first electric telescopic cylinder and second electric telescopic cylinder are set, and then the position of the clamping assembly can be adjusted to adapt to the PCB of different size and shape, and is conveyed to the ultrasonic cleaning chamber to clean through the clamping assembly, and the air drying assembly installed at the top of the box body can dry the PCB immediately after cleaning, and the cleaning efficiency of the PCB is improved.

[0018] 2、The utility model discloses a second servo motor is set, can drive upper clamping plate and lower clamping plate to rotate, and then can drive PBC plate to rotate, improves its cleaning and air -drying efficiency, and then the third servo motor and second transmission belt are set, not only can the PBC plate be clamped, but also can drive PBC plate to move, and then cooperate the setting of fourth servo motor and third transmission belt, can automatically with clean air -dried PBC plate from the discharge port and export the cleaning machine, and then reach the effect of improving production efficiency. ACCURACY OF DRAWINGS

[0019] Figure 1 It is the overall structure perspective drawing of the utility model;

[0020] Figure 2 It is the overall top cross section structure schematic diagram of the utility model;

[0021] Figure 3 It is the overall front cross section structure schematic diagram of the utility model;

[0022] Figure 4 It is the Figure 3 Structure schematic diagram of A place in the utility model;

[0023] Figure 5 It is the clamping assembly structure schematic diagram of the utility model.

[0024] In the figure: 1, box; 2, conveying plate; 3, support plate; 4, ultrasonic cleaning chamber; 5, ultrasonic generator; 6, feeding port; 7, discharging port; 8, first servo motor; 9, first driving roller; 10, first transmission belt; 11, first driven roller; 12, threaded rod; 13, moving block; 14, fixed plate; 15, sliding groove; 16, first electric telescopic cylinder; 17, second electric telescopic cylinder; 18, second servo motor; 19, upper clamping plate; 20, third electric telescopic cylinder; 21, lower clamping plate; 22, mounting groove; 23, third servo motor; 24, second driving roller; 25, second transmission belt; 26, second driven roller; 27, water inlet pipe; 28, drain pipe; 29, electromagnetic valve; 30, moving groove; 31, air inlet pipe; 32, dustproof filter screen; 33, fan; 34, groove; 35, fourth servo motor; 36, third driving roller; 37, third transmission belt; 38, third driven roller. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] In the description of the utility model, it should be explained that the directions or position relations indicated by the terms 'upper', 'lower', 'inner', 'outer', 'front end','rear end', 'two ends', 'one end', 'the other end' and the like are the directions or position relations shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as limiting the utility model in that the indicated devices or elements must have a specific direction, be constructed and operated in a specific direction. In addition, the terms 'first' and'second' are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms'mounting', 'provided with', 'connection' and the like should be understood in a broad sense. For example, 'connection' can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium; can be the communication inside two elements. Those skilled in the art can understand the specific meaning of the above terms in the utility model according to the specific circumstances.

[0028] Embodiment 1: Please refer to Figure 1 , Figure 2 and Figure 3The utility model provides a kind of PCB cleaning machine for SMT production, including box 1, conveying plate 2 and support plate 3, the top of the back of box 1 is equipped with conveying plate 2, and the side of the front of box 1 is equipped with support plate 3;

[0029] The inside of box 1 is provided with ultrasonic cleaning chamber 4, and the ultrasonic cleaning chamber 4 is filled with cleaning water flow, and the bottom of box 1 is provided with ultrasonic generator 5, the top of the front of box 1 is provided with inlet 6, the top of the back of box 1 is provided with outlet 7, and the top of box 1 is provided with air-drying assembly, which is used for air-drying treatment of cleaned PCB.

[0030] The front of support plate 3 is provided with first servo motor 8, the output end of first servo motor 8 is provided with first driving roller 9, the outer wall of first driving roller 9 is provided with first transmission belt 10, the other end of the inner wall of first transmission belt 10 is provided with first driven roller 11, one end of first driving roller 9 and first driven roller 11 is provided with threaded rod 12, the outer wall of threaded rod 12 is provided with moving block 13, one end of moving block 13 is provided with fixed plate 14, the side of fixed plate 14 is provided with sliding groove 15, the top of fixed plate 14 is provided with first electric telescopic cylinder 16, the output end of first electric telescopic cylinder 16 is provided with second electric telescopic cylinder 17 clamping assembly, the tail end of the top of second electric telescopic cylinder 17 is movably connected to the inner wall of sliding groove 15, the tail end of the top of second electric telescopic cylinder 17 is provided on the bottom of the output end of first electric telescopic cylinder 16, one end of second electric telescopic cylinder 17 is provided with clamping assembly, and the clamping assembly is used for clamping PCB.

[0031] The air-drying assembly comprises air inlet pipe 31, and the air inlet pipe 31 is installed through the middle of the top of box 1, the top of the inner wall of air inlet pipe 31 is provided with dust filter screen 32, and the middle of the inner wall of air inlet pipe 31 is provided with fan 33.

[0032] Further, through the setting of first driving roller 9, first transmission belt 10 and first driven roller 11, first servo motor 8 can drive two threaded rods 12 to rotate at the same time, so as to drive moving block 13 and fixed plate 14 to move, and then through the setting of first electric telescopic cylinder 16 and second electric telescopic cylinder 17, the position of clamping assembly can be adjusted to adapt to PCB boards of different sizes and shapes, and the clamping assembly is used for conveying to ultrasonic cleaning chamber 4 for cleaning, and the air-drying assembly installed on the top of box 1 can dry the PCB board immediately after cleaning, thereby improving the cleaning efficiency of the PCB board.

[0033] Embodiment 2: please refer to Figure 2 、 Figure 4 and Figure 5The utility model provides an embodiment, and clamping assembly includes second servo motor 18, and one end of second servo motor 18 is installed in the output of second electric telescopic cylinder 17, and the output of second servo motor 18 is installed with upper clamping plate 19, and the tail end of the top of upper clamping plate 19 is installed with a group of third electric telescopic cylinder 20, and the output of third electric telescopic cylinder 20 is installed with lower clamping plate 21;

[0034] The bottom of upper clamping plate 19 and the top of lower clamping plate 21 are both provided with mounting groove 22, one side of upper clamping plate 19 and lower clamping plate 21 is both installed with third servo motor 23, the output of third servo motor 23 is installed with second driving roller 24, the outer wall of second driving roller 24 is installed with second transmission belt 25, the inner wall of second transmission belt 25 is installed with a plurality of second driven roller 26, and second driven roller 26 is installed in mounting groove 22;

[0035] The middle part of the back of box 1 is installed with water inlet pipe 27, the bottom of the back of box 1 is installed with drain pipe 28, the outer wall of water inlet pipe 27 and drain pipe 28 is both installed with electromagnetic valve 29, the inner wall of box 1 is provided with a group of moving groove 30, and the inner wall of moving groove 30 is movably connected to the outer wall of moving block 13;

[0036] The top of conveying plate 2 is provided with recess 34, and one side of conveying plate 2 is installed with fourth servo motor 35;

[0037] The output of fourth servo motor 35 is installed with third driving roller 36, the outer wall of third driving roller 36 is installed with third transmission belt 37, and the inner wall of third transmission belt 37 is installed with a plurality of third driven roller 38;

[0038] Further, through the setting of second servo motor 18, upper clamping plate 19 and lower clamping plate 21 can be driven to rotate, and then PBC plate can be driven to rotate, and the cleaning and air-drying efficiency is improved, and through the setting of third servo motor 23 and second transmission belt 25, PBC plate can be not only clamped, but also driven to move, and then through the setting of fourth servo motor 35 and third transmission belt 37, the clean and dried PBC plate can be automatically transported from discharge port 7 to the cleaning machine, and the production efficiency is improved.

[0039] The working principle is that through the setting of the first driving roller 9, the first transmission belt 10 and the first driven roller 11, the first servo motor 8 can drive the two threaded rods 12 to rotate at the same time, and then the moving block 13 and the fixed plate 14 can be moved, and then through the setting of the first electric telescopic cylinder 16 and the second electric telescopic cylinder 17, the position of the clamping assembly can be adjusted to adapt to PCB boards of different sizes and shapes, and the PCB boards are conveyed to the ultrasonic cleaning chamber 4 for cleaning, the air drying assembly installed at the top of the box body 1 can dry the PCB boards immediately after cleaning, the cleaning efficiency of the PCB boards is improved, through the setting of the second servo motor 18, the upper clamping plate 19 and the lower clamping plate 21 can be driven to rotate, and then the PBC board can be driven to rotate, the cleaning and air drying efficiency of the PBC board is improved, and then through the setting of the third servo motor 23 and the second transmission belt 25, the PBC board can be clamped and driven to move, and then through the setting of the fourth servo motor 35 and the third transmission belt 37, the PBC board cleaned and dried can be automatically conveyed out of the cleaning machine from the discharge port 7, and then the production efficiency is improved.

[0040] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A PCB cleaning machine for SMT production, comprising a box body (1), a conveying plate (2) and a supporting plate (3), characterized in that: The top of the back of the box (1) is provided with a conveying plate (2), and one side of the front of the box (1) is provided with a supporting plate (3); The inside of the box (1) is provided with an ultrasonic cleaning chamber (4) filled with a cleaning water flow, the bottom of the box (1) is provided with an ultrasonic generator (5), the top of the front of the box (1) is provided with an inlet (6), the top of the back of the box (1) is provided with an outlet (7), and the top of the box (1) is provided with a air drying assembly for air drying the cleaned PCB. The front of the supporting plate (3) is provided with a first servo motor (8), the output end of the first servo motor (8) is provided with a first driving roller (9), the outer wall of the first driving roller (9) is provided with a first transmission belt (10), the other end of the inner wall of the first transmission belt (10) is provided with a first driven roller (11), one end of the first driving roller (9) and the first driven roller (11) is provided with a threaded rod (12), the outer wall of the threaded rod (12) is provided with a moving block (13) in threaded connection, one end of the moving block (13) is provided with a fixed plate (14), one side of the fixed plate (14) is provided with a sliding groove (15), the top of the fixed plate (14) is provided with a first electric telescopic cylinder (16), the output end of the first electric telescopic cylinder (16) is provided with a second electric telescopic cylinder (17) clamping assembly, the tail end of the top of the second electric telescopic cylinder (17) is movably connected to the inner wall of the sliding groove (15), the tail end of the top of the second electric telescopic cylinder (17) is arranged at the bottom of the output end of the first electric telescopic cylinder (16), one end of the second electric telescopic cylinder (17) is provided with a clamping assembly, and the clamping assembly is used for clamping the PCB.

2. The PCB cleaning machine for SMT production according to claim 1, characterized in that: The clamping assembly comprises a second servo motor (18), one end of the second servo motor (18) is arranged at the output end of the second electric telescopic cylinder (17), the output end of the second servo motor (18) is provided with an upper clamping plate (19), a group of third electric telescopic cylinders (20) are arranged at the tail end of the top of the upper clamping plate (19), and the output end of the third electric telescopic cylinder (20) is provided with a lower clamping plate (21).

3. The PCB cleaning machine for SMT production according to claim 2, characterized in that: The bottom of the upper clamping plate (19) and the top of the lower clamping plate (21) are provided with mounting grooves (22), one side of the upper clamping plate (19) and the lower clamping plate (21) is provided with a third servo motor (23), the output end of the third servo motor (23) is provided with a second driving roller (24), the outer wall of the second driving roller (24) is provided with a second transmission belt (25), the inner wall of the second transmission belt (25) is provided with a plurality of second driven rollers (26), and the second driven rollers (26) are arranged in the mounting grooves (22).

4. The PCB cleaning machine for SMT production according to claim 1, characterized in that: The middle part of the back of the box (1) is provided with a water inlet pipe (27), the bottom of the back of the box (1) is provided with a drain pipe (28), the outer wall of the water inlet pipe (27) and the drain pipe (28) is provided with a solenoid valve (29), a group of moving grooves (30) are arranged in the inner wall of the box (1), and the outer wall of the moving grooves (30) is movably connected to the outer wall of the moving block (13).

5. The PCB cleaning machine for SMT production according to claim 1, characterized in that: The air-drying assembly comprises an air inlet pipe (31), the air inlet pipe (31) is installed in the middle of the top of the box (1), the top of the inner wall of the air inlet pipe (31) is provided with a dust filter screen (32), and the middle of the inner wall of the air inlet pipe (31) is provided with a fan (33).

6. The PCB cleaning machine for SMT production according to claim 1, characterized in that: The top of the conveying plate (2) is provided with a groove (34), and one side of the conveying plate (2) is provided with a fourth servo motor (35).

7. The PCB cleaning machine for SMT production according to claim 6, characterized in that: The output end of the fourth servo motor (35) is provided with a third driving roller (36), the outer wall of the third driving roller (36) is provided with a third transmission belt (37), and the inner wall of the third transmission belt (37) is provided with a plurality of third driven rollers (38).

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