Printed circuit board inner layer pretreatment water retaining roller structure

Abstract

The utility model discloses a water retaining roller structure for inner layer pretreatment of a printed circuit board, and relates to the technical field of water retaining rollers. The water retaining device comprises a second connecting shaft and a water retaining roller, the water retaining roller is installed on the peripheral side face of the second connecting shaft, bearing plates are rotatably installed at the two ends of the second connecting shaft, supporting rods are welded to the upper surfaces of the two bearing plates, a mounting block is welded to the upper surfaces of the two supporting rods, and a mounting groove is formed in the upper surface of the mounting block; a ball screw is rotatably mounted in the mounting groove, a screw nut is in threaded connection with the peripheral side face of the ball screw, a mounting plate is welded to the lower surface of the screw nut, electric push rods are welded to the two sides of the mounting plate, and side plates are welded to one ends of the two electric push rods. Through the structure of the ball screw, the electric push rod and the water squeezing wheel, water can be directly drained after the water retaining roller is adsorbed and saturated, the water retaining roller does not need to be disassembled, the use convenience of the device is improved, and continuous work of the device is facilitated.

Description

Technical Field

[0001] This utility model belongs to the field of water-blocking roller technology, and in particular relates to a water-blocking roller structure for the pre-treatment of the inner layer of a printed circuit board. Background Technology

[0002] In the horizontal process of printed circuit board manufacturing, water-blocking rollers are used to block water from the copper surface of the product, relying on their absorbency to completely absorb the water droplets. These water-blocking rollers effectively block and absorb water droplets from the copper surface, and then air-drying and oven-drying are used to facilitate surface drying, thus ensuring quality for the next manufacturing process.

[0003] In the prior art, the water-blocking roller becomes saturated with water after a period of use and needs to be drained. Existing devices are not convenient for draining water during use and require disassembly, which can affect the working efficiency of the device. Therefore, a water-blocking roller structure for the inner layer pretreatment of printed circuit boards is proposed to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a water-blocking roller structure for the inner layer pretreatment of printed circuit boards, thereby solving the existing problems.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model relates to a water-blocking roller structure for the inner layer pretreatment of printed circuit boards, comprising a second connecting shaft and a water-blocking roller. The water-blocking roller is mounted on the circumferential side of the second connecting shaft. Bearing plates are rotatably mounted at both ends of the second connecting shaft. Support rods are welded to the upper surface of both bearing plates. A mounting block is welded to the upper surface of both support rods. A mounting groove is formed on the upper surface of the mounting block. A ball screw is rotatably mounted inside the mounting groove. A screw nut is screwed to the circumferential side of the ball screw. A mounting plate is welded to the lower surface of the screw nut. Electric push rods are welded to both sides of the mounting plate. A side plate is welded to one end of each of the two electric push rods. A first connecting shaft is welded to the upper surface of each of the two side plates. A water-squeezing wheel is rotatably mounted on the circumferential side of each of the two first connecting shafts.

[0007] Furthermore, the two side plates are L-shaped plate structures, the two water-squeezing wheels are arranged on both sides of the water-blocking roller, and one end of the ball screw extends to the outside of the mounting block.

[0008] Furthermore, a drive motor is fixedly mounted on the front surface of the mounting block, the output end of the drive motor is connected to one end of the ball screw via a keyway, and the ball screw nut is slidably connected to the mounting groove.

[0009] Furthermore, toothed plates are welded to the lower surfaces of both bearing plates, sleeve plates are slidably installed on the peripheral sides of both toothed plates, an opening groove is opened on one surface of both sleeve plates, and connecting plates are installed on the front and rear surfaces of both sleeve plates.

[0010] Furthermore, each of the two connecting plates is equipped with a fixing bolt at one end, and one end of the fixing bolt is screwed to the sleeve plate. A rotating shaft is rotatably installed between the other ends of the two connecting plates.

[0011] Furthermore, adjusting gears are installed on the circumferential sides of both rotating shafts, and the circumferential sides of the two adjusting gears mesh with the toothed plate through the opening slots. One end of each rotating shaft extends to the outside of the connecting plate.

[0012] Furthermore, a support plate is welded to one surface of each of the two sleeve plates. The two support plates have an "L" shaped plate structure, and a rotating motor is fixedly installed at one end of each of the two support plates.

[0013] Furthermore, the output ends of the two rotating motors are connected to one end of the rotating shaft via keyways, and a fixing plate is welded to the lower surface of both sleeve plates. Two threaded holes are opened on one surface of each of the two fixing plates.

[0014] This utility model has the following beneficial effects:

[0015] 1. This utility model, through the structure of ball screw, electric push rod and water squeezing wheel, facilitates direct drainage after the water-blocking roller is saturated, without the need to disassemble the water-blocking roller, thereby improving the convenience of use, facilitating continuous operation of the device, and increasing the working efficiency of the device.

[0016] 2. This utility model, through the toothed plate, adjusting gear and rotating motor structure, facilitates the adjustment of the height of the bearing plate and the water-blocking roller, making it easy to make appropriate adjustments according to the thickness of the printed circuit board in the later stage, and improving the flexibility of the device during use.

[0017] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of a pretreatment water-blocking roller for the inner layer of a printed circuit board according to the present invention.

[0020] Figure 2 This is a right-side structural schematic diagram of a pretreatment water-blocking roller for the inner layer of a printed circuit board according to the present invention.

[0021] Figure 3 This is a front view structural diagram of a pretreatment water-blocking roller for the inner layer of a printed circuit board according to the present invention.

[0022] Figure 4 This is a top view of the pretreatment water-blocking roller for the inner layer of a printed circuit board according to the present invention.

[0023] The attached diagram lists the components represented by each number as follows:

[0024] 1. Bearing plate; 101. Support rod; 102. Mounting block; 103. Mounting groove; 104. Ball screw; 105. Screw nut; 106. Drive motor; 107. Mounting plate; 108. Electric push rod; 109. Side plate; 110. First coupling; 111. Water squeezing wheel; 2. Second coupling; 3. Water-blocking roller; 4. Toothed plate; 5. Sleeve plate; 501. Opening groove; 502. Connecting plate; 503. Fixing bolt; 504. Rotating shaft; 505. Adjusting gear; 506. Support plate; 507. Rotating motor; 6. Fixing plate; 7. Threaded hole. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0026] In the description of this utility model, it should be understood that the terms "upper", "middle", "outer", "inner", etc., which indicate orientation or positional relationship, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0027] Please see Figures 1-4As shown, this utility model is a water-blocking roller structure for the inner layer pretreatment of printed circuit boards, including a second connecting shaft 2 and a water-blocking roller 3. The water-blocking roller 3 is installed on the circumferential side of the second connecting shaft 2. Bearing plates 1 are rotatably installed at both ends of the second connecting shaft 2. Support rods 101 are welded to the upper surfaces of the two bearing plates 1. Mounting blocks 102 are welded to the upper surfaces of the two support rods 101. Mounting grooves 103 are formed on the upper surfaces of the mounting blocks 102. Ball screws 104 are rotatably installed inside the mounting grooves 103. Screw nuts 105 are screwed to the circumferential side of the ball screw 104. Mounting plates 107 are welded to the lower surface of the screw nuts 105. The mounting plates 107 have two sides... Both are welded with electric push rods 108, and one end of each electric push rod 108 is welded with a side plate 109. The upper surface of each side plate 109 is welded with a first connecting shaft 110. The two first connecting shafts 110 are rotatably mounted with water squeezing wheels 111 on their circumferences. This facilitates direct drainage of the water-blocking roller 3 after it has become saturated with adsorption, without the need to disassemble the water-blocking roller 3. This improves the convenience of using the device, facilitates continuous operation of the device, and improves the working efficiency of the device. The two side plates 109 have an "L" shaped plate structure. The two water squeezing wheels 111 are set on both sides of the water-blocking roller 3. One end of the ball screw 104 extends to the outside of the mounting block 102.

[0028] A drive motor 106 is fixedly mounted on the front surface of the mounting block 102. The output end of the drive motor 106 is connected to one end of the ball screw 104 via a keyway. The screw nut 105 is slidably connected to the mounting groove 103. A toothed plate 4 is welded to the lower surface of both bearing plates 1. A sleeve plate 5 is slidably mounted on the periphery of both toothed plates 4. An opening groove 501 is opened on one surface of both sleeve plates 5. A connecting plate 502 is mounted on the front and rear surfaces of both sleeve plates 5.

[0029] Each of the two connecting plates 502 has a fixing bolt 503 installed at one end. One end of the fixing bolt 503 is screwed to the sleeve plate 5. A rotating shaft 504 is rotatably installed between the other ends of the two connecting plates 502. Adjusting gears 505 are installed on the circumferential side of the two rotating shafts 504. The circumferential side of the two adjusting gears 505 meshes with the toothed plate 4 through the opening groove 501. One end of the rotating shaft 504 extends to the outside of the connecting plate 502.

[0030] Both sleeve plates 5 have a support plate 506 welded to one surface. The two support plates 506 have an "L" shaped plate structure. A rotating motor 507 is fixedly installed at one end of the two support plates 506 to facilitate the adjustment of the height of the bearing plate 1 and the water-blocking roller 3. This allows for appropriate adjustments based on the thickness of the printed circuit board, improving the flexibility of the device during use. The output ends of the two rotating motors 507 are connected to one end of the rotating shaft 504 via a keyway. Both sleeve plates 5 have a fixing plate 6 welded to their lower surfaces. Both fixing plates 6 have two threaded holes 7 on one surface.

[0031] Please see Figures 1-4 As shown, this utility model is a water-blocking roller structure for the inner layer pretreatment of printed circuit boards. Its usage method is as follows: First, the entire device is fixed to the manufacturing equipment using the fixing plate 6 and the threaded holes 7 provided thereon. Then, the rotating motor 507 is started to drive the rotating shaft 504 to rotate. The rotating shaft 504 drives the adjusting gear 505 to rotate. When the adjusting gear 505 rotates, it drives the meshing toothed plate 4 to move. By controlling the forward and reverse rotation of the rotating motor 507, the up and down movement of the toothed plate 4 is controlled, adjusting the water-blocking roller 3 to a suitable position. The printed circuit board then passes through... When the water-blocking roller 3 is in operation, it absorbs the moisture adhering to the surface of the printed circuit board. Once the water-blocking roller 3 is saturated, the conveying of the printed circuit board is stopped, and the drive motor 106 is started to drive the ball screw 104 to rotate. The forward and reverse rotation of the drive motor 106 is controlled to make the screw nut 105 move back and forth on the ball screw 104. At the same time, the two electric push rods 108 are started to drive the two water-squeezing rollers 111 to move towards the water-blocking roller 3 and squeeze the water-blocking roller 3. Following the back and forth movement of the screw nut 105, the water-blocking roller 3 is drained.

[0032] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0033] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A pretreatment water-blocking roller structure for the inner layer of a printed circuit board, comprising a second connecting shaft (2) and a water-blocking roller (3), characterized in that: The water-blocking roller (3) is installed on the circumferential side of the second connecting shaft (2). Both ends of the second connecting shaft (2) are rotatably mounted with bearing plates (1). Support rods (101) are welded to the upper surfaces of the two bearing plates (1). Mounting blocks (102) are welded to the upper surfaces of the two support rods (101). Mounting grooves (103) are opened on the upper surfaces of the mounting blocks (102). Ball screws (104) are rotatably mounted inside the mounting grooves (103). Screw nuts (105) are screwed to the circumferential side of the ball screws (104). Mounting plates (107) are welded to the lower surface of the screw nuts (105). Electric push rods (108) are welded to both sides of the mounting plates (107). Side plates (109) are welded to one end of the two electric push rods (108). First connecting shafts (110) are welded to the upper surfaces of the two side plates (109). Water-squeezing wheels (111) are rotatably mounted on the circumferential side of the two first connecting shafts (110).

2. The water-blocking roller structure for the inner layer pretreatment of a printed circuit board according to claim 1, characterized in that, The two side plates (109) are L-shaped plate structures, the two water-squeezing wheels (111) are arranged on both sides of the water-blocking roller (3), and one end of the ball screw (104) extends to the outside of the mounting block (102).

3. The water-blocking roller structure for the inner layer pretreatment of a printed circuit board according to claim 1, characterized in that, A drive motor (106) is fixedly mounted on the front surface of the mounting block (102). The output end of the drive motor (106) is connected to one end of the ball screw (104) via a keyway. The screw nut (105) is slidably connected to the mounting groove (103).

4. The water-blocking roller structure for the inner layer pretreatment of a printed circuit board according to claim 1, characterized in that, The lower surfaces of the two bearing plates (1) are welded with toothed plates (4), and the two toothed plates (4) are slidably mounted with sleeve plates (5) on their peripheral sides. One surface of each of the two sleeve plates (5) is provided with an opening groove (501), and the front and rear surfaces of the two sleeve plates (5) are each equipped with a connecting plate (502).

5. The water-blocking roller structure for the inner layer pretreatment of a printed circuit board according to claim 4, characterized in that, Each of the two connecting plates (502) is equipped with a fixing bolt (503) at one end. One end of the fixing bolt (503) is screwed to the sleeve plate (5). A rotating shaft (504) is rotatably installed between the other ends of the two connecting plates (502).

6. The water-blocking roller structure for the inner layer pretreatment of a printed circuit board according to claim 5, characterized in that, Adjusting gears (505) are installed on the circumferential sides of both rotating shafts (504). The circumferential sides of the two adjusting gears (505) mesh with the toothed plate (4) through the opening groove (501). One end of each rotating shaft (504) extends to the outside of the connecting plate (502).

7. The water-blocking roller structure for the inner layer pretreatment of a printed circuit board according to claim 4, characterized in that, Each of the two sleeve plates (5) has a support plate (506) welded to one surface. The two support plates (506) are "L" shaped plate structures. A rotating motor (507) is fixedly installed at one end of each of the two support plates (506).

8. The water-blocking roller structure for the inner layer pretreatment of a printed circuit board according to claim 7, characterized in that, The output ends of the two rotating motors (507) are connected to one end of the rotating shaft (504) via keyways. The lower surfaces of the two sleeve plates (5) are each welded with a fixing plate (6). Two threaded holes (7) are opened on one surface of each of the two fixing plates (6).

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