Horizontal production equipment for printed circuit boards with water retaining plates

Abstract

The horizontal production equipment for printed circuit boards with a water baffle provided by the utility model has a convex surface (121) convex inwardly protruding at the lower end of the water baffle component including a water baffle wheel bearing block (12). Thus, the outer side surface (71) of the upper end of the water baffle (7) whose lower end is fixed and whose upper end is suspended can easily be in close contact with the convex surface (121). Thus, the medicine in the working groove (2) can be well prevented from leaking out, and the operation of the roller in the water baffle roller mechanism (6) can be not affected. Therefore, the horizontal production equipment for printed circuit boards with a water baffle provided by the utility model has a better anti-leakage effect, a simple structure, and convenient replacement of worn equipment.

Description

Technical Field

[0001] The utility model relates to the field of integrated circuit board (PCB) production and processing, in particular to a horizontal production device for printed circuit boards. Background Art

[0002] In the horizontal production line of PCB circuit boards, according to the process requirements, an immersion water box (working tank) will be set between the conveying rollers to allow the liquid medicine to immerse and treat the production products. The conveying rollers are generally located above the liquid medicine management tank. During operation, the chemical liquid in the liquid medicine management tank will be pumped into the immersion water box (working tank) through the pump to fill the immersion water box. When the product board is driven by the conveying roller through the working tank, the liquid medicine will react and treat the products passing through it. Water retaining rollers and water retaining plates are generally set at both ends of the working tank to prevent liquid medicine leakage, so as to ensure the smooth entry and exit of the product and maintain the immersion liquid level.

[0003] See also Figure 1 An existing water baffle design is to set a hard water baffle (35) below the water baffle wheel to cooperate with the water baffle roller mechanism (6) to achieve the water baffle function, and to control the leakage of the working tank (2) by adjusting the gap between the water baffle (35) and the water baffle roller (6) up and down. However, due to the influence of material characteristics and processing accuracy, it is difficult to control the matching gap between the water baffle and the water baffle wheel, resulting in a large amount of leakage (37) of the medicine liquid in the immersion water box, causing the liquid level of the immersion water box to fluctuate, affecting the production status of the product; the leakage of the medicine liquid will also impact and cause foam problems, have a negative impact on the appearance of the product and cause the risk of the medicine liquid failing; at the same time, because the hardness of the water baffle material is relatively high and the gap between the water baffle and the water baffle roller is small, the solid impurities (34) in the medicine liquid are easily stuck in the gap and cannot be discharged, which will cause wear to the running water baffle roller, thereby affecting the production stability and product quality.

[0004] See also Figure 2 Another existing water baffle design is to set a hard L-shaped water baffle (31) under the water baffle wheel to cooperate with the water baffle roller mechanism (6) to achieve the water baffle function, and to control the leakage of the working tank (2) by adjusting the gap between the water baffle (31) and the water baffle roller mechanism (6) to the left and right. However, due to the influence of material characteristics and processing accuracy, it is difficult to control the matching gap between the water baffle and the water baffle wheel, resulting in a large amount of leakage (33) of the medicine liquid in the immersion water box, causing the liquid level of the immersion water box to fluctuate, affecting the production status of the product; the leakage of the medicine liquid will also impact and cause foam problems, have a negative impact on the appearance of the product and cause the risk of the medicine liquid failing; at the same time, because the hardness of the water baffle material is relatively high, the gap between the water baffle and the water baffle roller is small, and the solid impurities (34) in the medicine liquid are easily stuck in the gap and cannot be discharged, which will cause wear to the running water baffle roller, thereby affecting the production stability and product quality. Utility Model Content

[0005] In view of the defects of the prior art, the purpose of the utility model is to provide a horizontal production equipment for printed circuit boards, whose water retaining plate structure can prevent the leakage of liquid medicine, prevent the impact of liquid medicine from generating foam, and ensure the stable operation of the production line.

[0006] In order to achieve the purpose of the above utility model, the utility model provides a horizontal production equipment for printed circuit boards with a water retaining plate, comprising:

[0007] A working groove, wherein the working groove is provided with a roller structure for driving the workpiece to move horizontally;

[0008] A working water jet spraying medicine on the horizontally moving workpiece;

[0009] a liquid medicine management tank connected to the working tank via a reflux pipe, wherein the liquid medicine in the liquid medicine management tank flows into the working tank via a pump; and

[0010] A water-blocking roller mechanism is vertically arranged on opposite sides of the working tank to prevent the medicine in the working tank from overflowing. The water-blocking roller mechanism is composed of a plurality of rollers arranged up and down.

[0011] It is characterized in that it also includes a water baffle component, and the water baffle component includes:

[0012] A water retaining wheel bearing block fixed to the ends of both ends of the water retaining roller mechanism, wherein the lower end of the water retaining wheel bearing block is provided with a convex surface convex inwardly; and

[0013] A sheet-shaped water baffle plate, the lower end of which is vertically fixed on the working groove, and the outer side surface of the upper end of the water baffle plate is tightly attached to the protruding surface and the inner surface of the lower roller of the roller.

[0014] Furthermore, the lower end of the water baffle is vertically fixed to the working tank via a fixed base, the lower end of the water baffle is connected to the fixed base, and the fixed base is fixed to the bottom plate of the working tank.

[0015] Furthermore, the water retaining wheel bearing block is provided with a plurality of holes corresponding to the exposed ends of the central axis of the roller in the water retaining roller mechanism, and is arranged at the end of the shaft through the plurality of holes.

[0016] Furthermore, a flat plate is provided below the water retaining wheel bearing block, and the convex surface is formed on the side of the flat plate close to the working groove.

[0017] Still further, the flat plate is replaceable.

[0018] Furthermore, the protruding surface is made of wear-resistant material so that the outer side surface of the upper end of the water retaining plate is further in close contact with the protruding surface to prevent the medicine from leaking out.

[0019] The horizontal production equipment for printed circuit boards with a water baffle provided by the utility model has a convex surface convex inwardly protruding at the lower end of the water wheel bearing block of the water baffle component. In this way, the upper end of the sheet-like water baffle with the lower end fixed and the upper end suspended has elasticity, and its outer side surface can easily fit tightly against the convex surface and, at the same time, fit tightly against the inner surface of the lower roller of the roller. In this way, the medicine in the working groove can be well prevented from leaking out and the operation of the water baffle roller mechanism can be not affected. Therefore, the horizontal production equipment for printed circuit boards with a water baffle provided by the utility model has better anti-leakage effect, simple structure and convenient replacement of worn equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The technical features of the present invention are described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0021] Figure 1 The utility model is a schematic diagram of a water retaining plate structure of an existing horizontal production equipment for printed circuit boards.

[0022] Figure 2 The present invention is a schematic diagram of a water retaining plate structure of another existing horizontal production equipment for printed circuit boards.

[0023] Figure 3 The utility model is a schematic structural diagram of a horizontal production device for printed circuit boards with a water retaining plate.

[0024] Figure 4 It is a structural schematic diagram of an embodiment of the water retaining plate component of the utility model.

[0025] Figure 5 yes Figure 4 A schematic structural diagram of a water retaining plate component and a water retaining roller mechanism (6).

[0026] Figure 6 yes Figure 4 Side view of the water wheel bearing block.

[0027] Figure 7 It is a side view of the water retaining plate component of the utility model. DETAILED DESCRIPTION

[0028] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below with reference to specific illustrations.

[0029] See also Figure 3The utility model provides a horizontal production equipment for printed circuit boards with a water baffle, which includes a working tank 2, a working water knife 5, a liquid medicine management tank 1, a water-blocking roller mechanism 6 and a water-blocking plate component. The working tank 2 is provided with a roller structure 14 for driving the workpiece 11 to move horizontally. The working water knife 5 sprays liquid medicine on the horizontally moving workpiece 11. The liquid medicine management tank 1 is connected to the working tank 2 through a reflux pipe 4, and the liquid medicine in the liquid medicine management tank 1 flows into the working tank 2 through a pump 3. The water-blocking roller mechanism 6 is vertically arranged on the opposite sides of the working tank 2 to prevent the liquid medicine in the working tank 2 from overflowing, and the water-blocking roller mechanism 6 is composed of a plurality of rollers arranged up and down. In this embodiment, it is composed of three upper rollers 61, a middle roller 62, and a lower roller 63 arranged up and down.

[0030] See also Figures 3 to 7 , the water retaining plate component includes a water retaining wheel bearing block 12 and a sheet-like water retaining plate 7. The water retaining wheel bearing block 12 is a corrosion-resistant sliding bearing without balls. The water retaining wheel bearing block 12 is fixed to the ends of both ends of the water retaining roller mechanism 6, is sleeved on the shafts 68 at both ends of the upper roller 61, the middle roller 62, and the lower roller 63, and is inserted into the matching card slots on the body for fixing. The lower end of the water retaining wheel bearing block 12 is provided with a protruding surface 121 protruding inward. The lower end of the water retaining plate 7 is vertically fixed to the working groove 2. Since the water retaining plate 7 is in sheet form, its upper end is thinner and has elasticity due to being suspended. The outer side surface 71 of the upper end of the water retaining plate 7 is well in contact with the protruding surface 121, and is also well in contact with the inner surface of the lower roller 63 (see Figure 4 and Figure 5 ), so that the water retaining plate 7 is in close contact with the front and rear two water retaining wheel bearing blocks 12 and the lower roller 63 (see Figure 7 ), thereby preventing the liquid medicine in the working tank from leaking out. In this embodiment, the water retaining plate 7 is made of Teflon wear-resistant material.

[0031] See also Figure 5In this embodiment, the lower end of the water baffle 7 is vertically fixed on the working tank 2 through a fixed base 8, and the lower end of the water baffle 7 is connected to the fixed base 8 by a plurality of screws 9 through a gasket 8, and the fixed base 8 is fixed to the bottom plate 13 of the working tank 2, such as welding. In this way, in this embodiment, the water baffle 7 is easily replaced. The water baffle wheel bearing block 12 is provided with an upper hole 127, a middle hole 126 and a lower hole 125 corresponding to the exposed ends of the shafts of the three rollers, and is arranged at the end of the water baffle roller mechanism 6 through the above holes. In another embodiment, the upper hole 127 is an open strip hole with a notch above, which is used to install the upper water baffle wheel so that the shaft of the corresponding upper roller 61 can be taken out, and the middle hole 126 is an elliptical long strip hole, which is used to install the middle water baffle wheel to allow the middle wheel to rotate and float up and down, so that the middle wheel will be lifted up when a circuit board passes through. The lower hole 125 is a round hole, which is used to install the lower water baffle wheel and only allows the lower water baffle wheel to rotate.

[0032] A flat plate 128 is provided below the water retaining wheel bearing block 12, and the protruding surface 121 is formed on the inner side of the flat plate 128 near the working groove 2. In the present embodiment, the outer contour of the flat plate 128 is close to a circle or an ellipse so as to form the protruding surface 121 on the inner side. The water retaining wheel bearing block 12 is made of a hard wear-resistant material (Teflon) as a whole, which has self-lubricating properties, wear resistance and corrosion resistance. Since the water retaining plate 7 is in a sheet shape, its upper end is thinner, and it has elasticity due to being suspended. In this way, it can be well adapted to cooperate with the lower roller 63 of the running water retaining roller mechanism 6, and also cooperate more closely with the protruding surface 121 of the water retaining wheel bearing block 12, and can well reduce the leakage of the medicine while ensuring the normal operation of the water retaining roller mechanism, so as to keep the immersion liquid level of the working groove stable.

[0033] In one embodiment, the flat plate 128 can be an independent plate. In this way, the flat plate (128) is made of a hard wear-resistant material (Teflon) as a whole and can be detachably fixed to the water wheel bearing block body 120 of the water wheel bearing block 12 by bolts or bayonet. In this way, the flat plate 128 is replaceable, saving materials.

[0034] Furthermore, the protruding surface 121 is made of a flexible material so that the outer side surface 71 of the upper end of the water retaining plate 7 is further in close contact with the protruding surface 121 to better prevent the liquid medicine from leaking out. Moreover, in the above embodiment, the flat plate 128 can be replaced after the protruding surface 121 is worn out, which is convenient for replacement.

[0035] The horizontal production equipment for printed circuit boards with a water baffle provided by the utility model has a convex surface 121 convex inwardly protruding at the lower end of the water wheel bearing block 12 of the water baffle component. In this way, the upper end of the water baffle 7 whose lower end is fixed and whose upper end is suspended is elastic, and its outer side surface 71 can easily fit tightly against the convex surface 121 and, at the same time, fit tightly against the inner surface of the lower roller of the roller. In this way, the medicine in the working groove 2 can be well prevented from leaking out, and the operation of the water baffle roller mechanism 6 is not affected. Therefore, the horizontal production equipment for printed circuit boards with a water baffle provided by the utility model has better anti-leakage effect, simple structure, and convenient replacement of worn equipment.

[0036] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. Horizontal production equipment for printed circuit boards with water retaining plates, comprising: A working groove (2), wherein the working groove (2) is provided with a roller structure (14) for driving the workpiece (11) to move horizontally; A working water jet (5) for spraying liquid medicine on the horizontally moving workpiece (11); a liquid medicine management tank (1) connected to the working tank (2) via a reflux pipe (4), wherein the liquid medicine in the liquid medicine management tank (1) flows into the working tank (2) via a pump (3); and A water-blocking roller mechanism (6) is vertically arranged on opposite sides of the working tank (2) to prevent the medicine solution in the working tank (2) from overflowing. The water-blocking roller mechanism (6) is composed of a plurality of rollers arranged up and down. It is characterized in that it also includes a water baffle component, and the water baffle component includes: A water retaining wheel bearing block (12) fixed to the ends of both ends of the water retaining roller mechanism (6), wherein the lower end of the water retaining wheel bearing block (12) is provided with a convex surface (121) convex inwardly; and A sheet-shaped water baffle (7), the lower end of which is vertically fixed on the working groove (2), and the outer side surface (71) of the upper end of the water baffle (7) is tightly attached to the protruding surface (121) and the inner surface of the lower roller (63) of the water baffle roller mechanism (6).

2. The horizontal production equipment for printed circuit boards with a water retaining plate according to claim 1, characterized in that: The lower end of the water baffle (7) is vertically fixed to the working tank (2) via a fixed base (8); the lower end of the water baffle (7) is connected to the fixed base (8); and the fixed base (8) is fixed to the bottom plate (13) of the working tank (2).

3. The horizontal production equipment for printed circuit boards with a water retaining plate according to claim 1, characterized in that: The water retaining wheel bearing block (12) is provided with a plurality of holes corresponding to the exposed end of the central axis of the roller in the water retaining roller mechanism (6), and is arranged at the end of the shaft through the plurality of holes.

4. The horizontal production equipment for printed circuit boards with a water retaining plate according to claim 1, characterized in that: A flat plate (128) is provided along the inner surface below the water retaining wheel bearing block (12), and the convex surface (121) is formed on the side edge of the flat plate (128) close to the working groove (2).

5. The horizontal production equipment for printed circuit boards with a water retaining plate according to claim 4, characterized in that: The flat plate (128) is replaceable.

6. The horizontal production equipment for printed circuit boards with a water retaining plate according to claim 4, characterized in that: The protruding surface (121) is made of wear-resistant material so that the outer side surface (71) of the upper end of the water retaining plate (7) is further in close contact with the protruding surface (121) to prevent the medicine from leaking out.

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