Circuit board cleaning and placing device

Abstract

A circuit board cleaning and placing device comprises a box body, the box body is arranged under a flushing machine, during cleaning, a nozzle on the flushing machine sprays cleaning water downwards, the cleaning water acts on the two sides of a circuit board, and dry film residues and part of stripping liquid on the two sides of the circuit board are flushed away. A concave shell is arranged at the upper end of the box body, rotating shafts are rotationally arranged on the two sides of the concave shell, one end of each rotating shaft is connected with a gear through a pin, the gear is meshed with a rack, a guide groove is formed in the back side of the rack, a guide rail is arranged in the guide groove and installed on the concave shell, a hydraulic cylinder is connected to the lower end of the rack, and a cylinder body part of the hydraulic cylinder is installed on the concave shell. The rotating shaft is provided with a rotating arm, the other end of the rotating arm is provided with a back plate through a screw, the rotating arm can rotate through a gear, a rack and the like, the rotating arm is in a horizontal posture when a circuit board is placed, and the rotating arm is in a vertical posture when the circuit board is cleaned.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board processing technical field especially relates to a circuit board cleaning and placing device. BACKGROUND

[0002] Circuit board processing needs to be washed several times, such as after dry film stripping needs to be washed to the dry film attached on the copper layer, and the dry film on the circuit board after soaking and washing by stripping liquid is mostly stripped, only a small part of dry film exists, and a certain amount of stripping liquid is always adhered on the circuit board after washing by stripping liquid, in order to avoid the influence of the residual stripping liquid on subsequent processing, it is cleaned by the way of flushing with clean water, and the residual part of dry film slag can be cleaned when cleaning, at present, the circuit board is moved to the lower part of the flushing machine for cleaning by the conveying belt, although the continuous flushing of the circuit board can be realized by the transmission mode of the conveying belt, but this flushing mode still has the problem of low efficiency, and when cleaning, the positioning effect of the circuit board is poor, so that the circuit board is easily damaged. SUMMARY

[0003] The utility model provides a kind of circuit board cleaning and placing device, to solve the deficiency of above-mentioned prior art, solve the problem of low efficiency of circuit board cleaning, and the circuit board can be positioned when cleaning, so as not to cause damage to the circuit board, with strong practicality.

[0004] In order to achieve the purpose of the utility model, the following technology is adopted:

[0005] A kind of circuit board cleaning and placing device, including box, box is set at the lower part of flushing machine, when cleaning, the spray head on flushing machine sprays cleaning water downward, cleaning water acts on the two sides of circuit board, and dry film slag and part of stripping liquid on the two sides of circuit board are washed away.Box upper end is equipped with concave shell, two sides of concave shell are rotatably provided with shaft, one end of shaft is connected with gear through pin, gear is engaged with rack, back side of rack is provided with guide slot, guide slot is equipped with guide rail, guide rail is installed on concave shell, lower end of rack is connected with hydraulic cylinder, cylinder part of hydraulic cylinder is installed on concave shell, rotating arm is arranged on shaft, another end of rotating arm is installed with back plate through screw, gear and rack etc. can make rotating arm rotate, when circuit board is placed, rotating arm is in horizontal posture, when cleaning, rotating arm is in vertical posture.

[0006] A plurality of guide holes are formed on the back plate, the length direction of the guide hole is parallel to the horizontal direction, and the guide holes are distributed on the left and right ends of the back plate. A movable screw is arranged in the guide hole. The movable screw at the same end is connected with a movable plate through a thread. The other end of the movable screw at the same end is connected with a moving plate through a thread. The movable plate and the moving plate are distributed on the inner and outer sides of the back plate. A plurality of clamping arms are arranged on the moving plate. A clamping groove is formed on the inner wall of the clamping arm. The left and right sides of the circuit board are limited in the clamping groove, so as to avoid the shaking of the circuit board during cleaning and damage to the circuit board.

[0007] Further, the outer periphery of the back plate is provided with a ring plate. The ring plate can avoid the splashing of cleaning water. A hole is formed on the back plate, and a filter membrane is arranged at the hole to filter and collect dry film slag.

[0008] Further, the clamping groove is in a V-shaped structure. When the circuit board is positioned, the inclined surface of the clamping groove acts on the edges on the left and right sides of the circuit board, thereby positioning the circuit board.

[0009] Further, a plurality of support members in a concave structure are mounted on the back plate. The inner side of the circuit board acts on the support member. The support member supports the circuit board to facilitate the discharge of cleaning water and the cleaning of dry film slag.

[0010] Further, in order to quickly realize the positioning of the circuit board, an inner extension plate is arranged on the movable plate. The inner side of the inner extension plate is provided with an action rod. A moving push plate is sleeved on the action rod. A pair of inclined holes are formed on the moving push plate. The upper end of the inclined hole extends inwardly and downwardly. The action rod is arranged in the inclined hole. An upper push plate is arranged on the moving push plate. A pair of guide pins are arranged on the upper push plate. The lower end of the guide pin is provided with a mounting seat. The mounting seat is mounted on the back plate through a screw. A spring is sleeved on the guide pin and located between the mounting seat and the upper push plate.

[0011] Further, in order to ensure the connection effect between the action rod and the moving push plate, a limiting nut is threadedly connected to the outer side of the action rod. The limiting nut is located on the outer side of the moving push plate.

[0012] Further, in order to guide the movement of the moving push plate, a pair of vertical holes are formed on the moving push plate. A guide screw is arranged in the vertical hole. The guide screw is threadedly connected to the back plate.

[0013] Further, in order to facilitate the movement of the moving push plate and the positioning of the circuit board, an arc-shaped convex plate is arranged on the moving push plate. A lower top plate is rotatably arranged on the back plate. The lower end of the lower top plate is provided with a top wheel. The outer periphery of the top wheel acts on the outer periphery of the arc-shaped convex plate. A rotating screw is arranged on the lower top plate. The rotating screw is threadedly connected to the back plate.

[0014] Further, in order to ensure the positioning effect of the clamping arm on the circuit board, it is necessary to ensure the stability of the vertical state of the lower top plate, and therefore an inner extension flange plate is arranged on the outer wall of the lower top plate, a pull rod is arranged on the inner extension flange plate, an end ring is arranged at the upper end of the pull rod, a limiting ring is arranged on the pull rod, a push spring is arranged on the pull rod, the push spring is located between the limiting ring and the inner extension flange plate, a plug sleeve plate is arranged on the moving push plate, and the other end of the pull rod is arranged on the plug sleeve plate.

[0015] The above technical solution has the advantages of:

[0016] The utility model discloses can accommodate multiple circuit boards simultaneously, thereby improving the cleaning efficiency of the circuit board, and can also position the circuit board to prevent damage to the circuit board during cleaning. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model will be described further in detail below with the drawings.

[0018] Figure 1 A perspective structure of one embodiment is shown Figure 1 .

[0019] Figure 2 A perspective structure of one embodiment is shown Figure 2 .

[0020] Figure 3 An enlarged view of A is shown.

[0021] Figure 4 A perspective structure of one embodiment is shown Figure 3 . DETAILED DESCRIPTION

[0022] As shown in Figures 1-4 , a circuit board cleaning and placing device includes a box body 1, and a concave shell 10 is arranged at the upper end of the box body 1.

[0023] Two sides of the concave shell 10 are rotatably provided with rotating shafts 2, one end of each rotating shaft 2 is connected with a gear 20 through a pin, the gear 20 is engaged with a rack 21, a guide groove is formed in the back side of the rack 21, a guide rail 22 is arranged in the guide groove, the guide rail 22 is installed on the concave shell 10, the lower end of the rack 21 is connected with a hydraulic cylinder 23, the cylinder body part of the hydraulic cylinder 23 is installed on the concave shell 10, a rotating arm 24 is arranged on the rotating shaft 2, the other end of the rotating arm 24 is installed with a back plate 3 through a screw, the outer periphery of the back plate 3 is provided with a ring plate 30, a plurality of support members 7 in a concave structure are installed on the back plate 3, and the inner side end of the circuit board acts on the support members 7.

[0024] A plurality of guide holes 31 are formed on the back plate 3, the length direction of the guide hole 31 is parallel to the horizontal direction, and the guide hole 31 is distributed on the left and right ends of the back plate 3, the movable screw 32 is arranged in the guide hole 31, the movable screw 32 at the same end is connected with the movable plate 33 through the thread, the other end of the movable screw 32 at the same end is connected with the moving plate through the thread, the movable plate 33 and the moving plate are distributed on the inner and outer sides of the back plate 3, a plurality of clamping arms 54 are arranged on the moving plate, the inner wall of the clamping arm 54 is provided with a clamping groove, and the clamping groove is in a V-shaped structure.

[0025] The inner extension plate 34 is arranged on the movable plate 33, the inner side end of the inner extension plate 34 is provided with an action rod 35, the action rod 35 is sleeved with a moving push plate 40, the outer side end of the action rod 35 is connected with a limiting nut 36 through the thread, the limiting nut 36 is located on the outer side of the moving push plate 40, a pair of inclined holes 41 are formed on the moving push plate 40, the upper end of the inclined hole 41 is inclinedly extended inward, the action rod 35 is arranged in the inclined hole 41, the moving push plate 40 is provided with an upper push plate 39, a pair of guide pins 38 are arranged on the upper push plate 39, the lower end of the guide pin 38 is provided with a mounting seat 37, the mounting seat 37 is mounted on the back plate 3 through the screw, the guide pin 38 is sleeved with a spring 8, and the spring 8 is located between the mounting seat 37 and the upper push plate 39.

[0026] A pair of vertical holes 42 are formed on the moving push plate 40, a guide screw 43 is arranged in the vertical hole 42, and the guide screw 43 is connected to the back plate 3 through the thread.

[0027] An arc-shaped convex plate 44 is arranged on the upper wall of the moving push plate 40, a lower top plate 47 is rotatably arranged on the back plate 3, a top wheel 46 is arranged at the lower end of the lower top plate 47, the outer periphery of the top wheel 46 acts on the outer periphery of the arc-shaped convex plate 44, a rotating screw 53 is arranged on the lower top plate 47, and the rotating screw 53 is connected to the back plate 3 through the thread. An inner extension convex plate 48 is arranged on the outer wall of the lower top plate 47, a pull rod 49 is arranged on the inner extension convex plate 48, an end ring 50 is arranged at the upper end of the pull rod 49, a limiting ring 51 is arranged on the pull rod 49, a push spring 52 is sleeved on the pull rod 49, the push spring 52 is located between the limiting ring 51 and the inner extension convex plate 48, and an insertion sleeve plate 45 is arranged on the moving push plate 40. The other end of the pull rod 49 is arranged on the insertion sleeve plate 45.

[0028] When applied, two steps are included, that is, the placement of the circuit board and the cleaning of the circuit board, the back plate 3 is in a vertical posture when the circuit board is placed, and the back plate 3 is in a horizontal posture when the circuit board is cleaned, and the circuit board is taken out after cleaning.

[0029] When the circuit board is placed, the hydraulic cylinder 23 is started, the rack 21 is moved under the drive of the hydraulic cylinder 23, the movement of the rack 21 drives the gear 20 to rotate, the rotation of the gear 20 drives the rotating arm 24 to rotate, and the rotation of the rotating arm 24 drives the back plate 3 to rotate, so that the back plate 3 is in a vertical posture.

[0030] In the process of placing the circuit board, the clamping arms 54 are in the open state at this time, and then the circuit board is inserted between each pair of clamping arms 54 until the inner end of the circuit board is tightly abutted against the support 7. Moreover, in order to facilitate the placement of the circuit board and the rapid positioning of the circuit board, the clamping arms 54 move outward by a small distance. When clamping, the operator rotates the lower top plate 47 by holding it, so that the top wheels 46 at the lower end of the lower top plate 47 act on the outer periphery of the arc-shaped convex plate 44, thereby causing the moving push plate 40 to move downward, and then causing the inclined holes 41 on the moving push plate 40 to act on the action rod 35, thereby causing the clamping arms 54 connected thereto to move close to the circuit board, and finally completing the limiting of the circuit board by the clamping arms 54 and the clamping grooves thereon. After completing the limiting, the inner end of the pull rod 49 also needs to be inserted into the plug sleeve plate 45.

[0031] When cleaning, the hydraulic cylinder 23 is started again, and the back plate 3 is rotated to a horizontal posture. Then, the washing machine located above is used for washing operation.

[0032] The above only describes the preferred embodiments of the present application, and is not used to limit the present application. Obviously, those skilled in the art can make various modifications and changes to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and changes of the present application belong to the scope of the claims of the present application and equivalent technologies, the present application also intends to include these modifications and changes.

Claims

1. A circuit board cleaning and placement device, characterized in that, Includes a box body (1), and a concave shell (10) is provided at the upper end of the box body (1); The concave shell (10) has rotating shafts (2) on both sides. One end of the rotating shaft (2) is connected to a gear (20) by a pin. The gear (20) meshes with a rack (21). A guide groove is provided on the back side of the rack (21). A guide rail (22) is provided in the guide groove. The guide rail (22) is installed on the concave shell (10). A hydraulic cylinder (23) is connected to the lower end of the rack (21). The cylinder body of the hydraulic cylinder (23) is installed on the concave shell (10). A rotating arm (24) is provided on the rotating shaft (2). A back plate (3) is installed on the other end of the rotating arm (24) by screws. Multiple guide holes (31) are provided on the back plate (3). The length direction of the guide holes (31) is parallel to the horizontal direction, and the guide holes (31) are distributed at the left and right ends of the back plate (3). A movable screw (32) is inserted in the guide hole (31). The movable screw (32) at the same end is connected to a movable plate (33) by a thread. The other end of the movable screw (32) at the same end is connected to a moving plate by a thread. The movable plate (33) and the moving plate are distributed on the inner and outer sides of the back plate (3). Multiple clamping arms (54) are provided on the moving plate. The inner wall of the clamping arm (54) is provided with a clamping groove.

2. The circuit board cleaning and placement device according to claim 1, characterized in that, The outer periphery of the back plate (3) is provided with a ring plate (30).

3. The circuit board cleaning and placement device according to claim 1, characterized in that, The groove has a V-shaped structure.

4. The circuit board cleaning and placement device according to claim 1, characterized in that, Multiple concave support members (7) are installed on the back plate (3), and the inner end of the circuit board acts on the support members (7).

5. The circuit board cleaning and placement device according to claim 1, characterized in that, An inner extension plate (34) is provided on the movable plate (33). An actuating rod (35) is provided on the inner end of the inner extension plate (34). A movable push plate (40) is sleeved on the actuating rod (35). A pair of oblique holes (41) are provided on the movable push plate (40). The upper end of the oblique hole (41) extends inward at an inclination. The actuating rod (35) passes through the oblique hole (41). An upper push plate (39) is provided on the movable push plate (40). A pair of guide pins (38) are passed through the upper push plate (39). A mounting seat (37) is provided at the lower end of the guide pin (38). The mounting seat (37) is installed on the back plate (3) by screws. A spring (8) is sleeved on the guide pin (38). The spring (8) is located on the mounting seat (37) and the upper push plate (39).

6. The circuit board cleaning and placement device according to claim 5, characterized in that, The outer end of the action rod (35) is connected to a limit nut (36) by a thread, and the limit nut (36) is located on the outside of the movable push plate (40).

7. The circuit board cleaning and placement device according to claim 5, characterized in that, A pair of vertical holes (42) are provided on the movable push plate (40), and a guide screw (43) is inserted in the vertical hole (42). The guide screw (43) is connected to the back plate (3) by thread.

8. The circuit board cleaning and placement device according to claim 5, characterized in that, The upper wall of the movable push plate (40) is provided with an arc-shaped protrusion plate (44), and the back plate (3) is provided with a lower top plate (47) that rotates on it. The lower end of the lower top plate (47) is provided with a top wheel (46). The outer periphery of the top wheel (46) acts on the outer periphery of the arc-shaped protrusion plate (44). The lower top plate (47) is provided with a rotating screw (53), which is connected to the back plate (3) by a thread.

9. The circuit board cleaning and placement device according to claim 8, characterized in that, An inner protruding plate (48) is provided on the outer wall of the lower top plate (47). A pull rod (49) is provided on the inner protruding plate (48). An end ring (50) is provided at the upper end of the pull rod (49). A limiting ring (51) is provided on the pull rod (49). A push spring (52) is sleeved on the pull rod (49). The push spring (52) is located between the limiting ring (51) and the inner protruding plate (48). A plug plate (45) is provided on the movable push plate (40). The other end of the pull rod (49) is inserted into the plug plate (45).

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