A vertical cleaning machine

Abstract

The present invention specifically discloses a vertical cleaning machine, including a base frame, a cleaning machine housing and a dustproof housing; a feed inlet is provided on the top of the cleaning machine housing; a support plate is obliquely provided at the edge of the feed inlet; a plurality of rubber rollers for cleaning PCB boards are installed inside the cleaning machine housing; a driving device for rotating the rubber rollers is also provided inside the cleaning machine housing. The present invention aims to provide a vertical cleaning machine, wherein a support plate is obliquely provided at the feed inlet on the top of the cleaning machine housing to facilitate the lifting or lowering of the PCB board; during the lowering process of the PCB board, the driving device works so that the plurality of rubber rollers for cleaning the PCB board can clamp and clean the PCB board, and can realize vertical cleaning of PCB boards of different thicknesses, with good cleaning effect; the device has a compact structure, occupies a small space, and is simple and convenient to use.

Description

Technical Field

[0001] The invention relates to the technical field of cleaning equipment, and in particular to a vertical cleaning machine. Background Art

[0002] During the previous process and the transportation of PCB boards, it is inevitable that the PCB boards will be contaminated by air dust, droplets, and debris particles. When entering the exposure process and the inspection process, various debris will cause the PCB circuit to be unclear, scrapped, and inspected. In the process of printing and coating solder paste on PCB boards, the thickness of solder paste formed on the PCB boards is often uneven because of foreign objects such as semiconductor components, plastics, large particles of impurities or dust scattered on the PCB boards, which affects the printing quality of the PCB boards and causes the solder paste in local positions to be too thick, causing line faults such as short circuits, open circuits or wrong lines, and ultimately affecting the function of the PCB boards. Moreover, the PCB boards with foreign objects will also damage the scraper of the printing equipment during the process of printing solder, and even deform the scraper and scrap it, thus reducing the service life of the machine. For this reason, in the production process of many PCB boards, it is often necessary to clean the PCB boards first to remove stains on the PCB boards and eliminate static electricity on the PCB boards. However, the cleaning machines for PCB boards on the market are generally reciprocating cleaning machines, which occupy more than five times the space of vertical cleaning machines, which wastes a lot of workshop space. At the same time, the rubber roller of the reciprocating cleaning machine cannot be completely fitted with the PCB board during the cleaning process, and the cleaning effect is poor and cannot meet the needs. For this reason, we propose a vertical cleaning machine to solve the above-mentioned defects. Summary of the invention

[0003] In order to overcome the above-mentioned defect that the sticky rubber roller cannot completely adhere to the PCB board, resulting in poor cleaning effect of the PCB board, the present invention provides a vertical cleaning machine, which has a reasonable design and a compact structure, can realize vertical cleaning of PCB boards of different thicknesses, has good cleaning effect, occupies little space, and is simple and convenient to use.

[0004] A vertical cleaning machine comprises a base frame, a cleaning machine housing and a dustproof housing; a feed port is provided on the top of the cleaning machine housing; a support plate is obliquely provided at the edge of the feed port; a plurality of rubber rollers for cleaning PCB boards are installed inside the cleaning machine housing; a driving device for rotating the rubber rollers is also provided inside the cleaning machine housing.

[0005] As a preferred solution, the cleaning machine chassis includes side panels symmetrically arranged on the base frame; a guide rail is provided between the symmetrical side panels; a notch is symmetrically opened on each side of the side panel; a movable plate is provided on the notch; and the movable plate is installed on the guide rail.

[0006] As a preferred embodiment, an upper clamping roller is provided between the symmetrical side plates; the upper clamping roller is placed directly below the feed port; a lower clamping roller is provided below the upper clamping roller; and the lower clamping roller is adjustably mounted on the side plates.

[0007] As a preferred embodiment, a first cylinder is symmetrically provided on the outer side of the side plate; the output end of the first cylinder is connected to a first adjusting arm; an adjusting hole is provided on the first adjusting arm; and both ends of the lower clamping roller are respectively arranged through the adjusting holes on the first adjusting arm.

[0008] As a preferred embodiment, the rubber roller for cleaning the PCB board includes a main sticky rubber roller and a sticky paper roll; the main sticky rubber roller is installed on the side plate; the sticky paper roll is installed on the movable plate; the sticky paper roll is arranged on the outside of the main sticky rubber roller and is closely connected to the main sticky rubber roller.

[0009] As a preferred embodiment, the main sticky rubber roller includes at least two groups of fixed sticky rubber rollers and movable sticky rubber rollers that are tightly connected; a second adjusting arm is provided at one end of the movable sticky rubber roller extending out of the side panel; a second cylinder is provided on the side panel; one end of the second adjusting arm is rotatably mounted on the side panel, and the other end is connected to the output end of the second cylinder.

[0010] As a preferred embodiment, a third adjusting arm is provided at one end of the sticky paper roll extending from the side plate; the other end of the third adjusting arm is rotatably mounted on the outer side of the movable plate; a third cylinder is provided on the outer side of the movable plate; the output end of the third cylinder is connected to the middle part of the third adjusting arm.

[0011] As a preferred solution, the driving device includes a motor; the motor is installed on the inner side of one of the side panels; a reduction gearbox connected to the motor is provided on the outer side of the side panel with the motor; a driving wheel is installed on the output end of the reduction gearbox.

[0012] As a preferred solution, one end of the sticky rubber rollers of the at least two groups of fixed sticky rubber rollers close to the motor extending out of the side plate is provided with a first driven wheel; a first transmission belt is provided between the first driven wheel and the driving wheel.

[0013] As a preferred solution, two adjacent groups of fixed dust-sticking rubber rollers are connected by a second transmission belt.

[0014] Beneficial effects: The present invention aims to provide a vertical cleaning machine, which has a support plate obliquely arranged at the feed port on the top of the cleaning machine case to facilitate the lifting or lowering of the PCB board. During the lowering process of the PCB board, the driving device works so that multiple rubber rollers for cleaning the PCB board can clamp and clean the PCB board. The present invention is reasonably designed, can realize vertical cleaning of PCB boards of different thicknesses, has high reliability and is easy to operate. The present invention is suitable for panel cleaning work before manual exposure machines and semi-automatic exposure machines are operated, and solves the defects of the reciprocating cleaning machines commonly used on the market that occupy a large space and waste a lot of workshop space. The device has a compact structure, occupies a small space, and is simple and convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the present invention.

[0016] Figure 2 The internal structure of the present invention Figure 1 .

[0017] Figure 3 The internal structure of the present invention Figure 2 .

[0018] Figure 4 For the present invention Figure 3 A partial enlarged schematic diagram of the .

[0019] Figure 5 It is a partial side view of the present invention (without the dustproof box).

[0020] In the figure: 1-base frame; 2-cleaning machine chassis; 3-dustproof chassis; 4-support plate; 5-feeding port; 201-side plate; 202-motor; 203-reduction gearbox; 204-driving wheel; 205-first transmission belt; 206-upper clamping roller; 207-lower clamping roller; 208-main dust-sticking rubber roller; 209-dust-sticking paper roll; 210-movable plate; 211-first cylinder; 212-first adjusting arm; 213-second driven wheel; 214-second transmission belt; 215-first driven wheel; 216-second adjusting arm; 217-second cylinder; 2081-fixed dust-sticking rubber roller; 2082-movable dust-sticking rubber roller; 2101-third cylinder; 2102-third adjusting arm. DETAILED DESCRIPTION

[0021] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0022] In the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "far away from", "close to", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "provided with", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example

[0023] like Figures 1 to 5 As shown, the present invention provides a vertical cleaning machine, including a base frame 1, a cleaning machine case 2 and a dustproof case 3; a feed port 5 is provided on the top of the cleaning machine case 2; a support plate 4 is obliquely arranged at the edge of the feed port 5; a plurality of rubber rollers for cleaning PCB boards are installed inside the cleaning machine case 2; a driving device for rotating the rubber rollers is also arranged inside the cleaning machine case 2. The present invention aims to provide a vertical cleaning machine, wherein a support plate 4 is obliquely arranged at the feed port 5 on the top of the cleaning machine case 2 to facilitate the lifting or lowering of the PCB board. During the lowering process of the PCB board, the driving device works so that the plurality of rubber rollers for cleaning the PCB board can clamp and clean the PCB board, and the cleaning effect is better than that of the horizontal type. The present invention has a reasonable design, can realize vertical cleaning of the PCB board, has high reliability and is easy to operate. The present invention is suitable for the cleaning of panels before the operation of a manual exposure machine and a semi-automatic exposure machine, and solves the defects of the reciprocating cleaning machines commonly used on the market that occupy a large space and waste a great deal of workshop space. The device has a compact structure, a small space occupation, and is simple and convenient to use.

[0024] In some examples of the present invention, the cleaning machine chassis 2 includes side panels 201 symmetrically arranged on the base frame 1; a guide rail is provided between the symmetrical side panels 201; a slot is symmetrically opened on each side of the side panel 201; a movable panel 210 is provided on the slot; and the movable panel 210 is installed on the guide rail.

[0025] In some examples of the present invention, an upper clamping roller 206 is provided between the symmetrical side plates 201; the upper clamping roller 206 is placed directly below the feed port 5; a lower clamping roller 207 is provided below the upper clamping roller 206; and the lower clamping roller 207 is adjustably mounted on the side plates 201.

[0026] A first cylinder 211 is symmetrically arranged on the outer side of the side plate 201; an output end of the first cylinder 211 is connected to a first adjusting arm 212; an adjusting hole is arranged on the first adjusting arm 212; both ends of the lower clamping roller 207 are respectively passed through the adjusting holes on the first adjusting arm 212; when the first cylinder 211 is working, that is, when the piston end of the first cylinder 211 is extended, the first adjusting arm 212 is driven to move downward. Since the first adjusting arm 212 is provided with an adjusting hole, the adjusting hole is inclined, when the first adjusting arm 212 moves downward, the distance between the lower clamping rollers 207 can be reduced, and the clamping operation can be realized. The structure can be applied to the cleaning of PCB boards of various thicknesses, and is simple and convenient to use.

[0027] In some examples of the present invention, the rubber roller used to clean the PCB board includes a main sticky rubber roller 208 and a sticky paper roll 209; the main sticky rubber roller 208 is installed on the side panel 201; the sticky paper roll 209 is installed on the movable plate 210; the sticky paper roll 209 is arranged on the outside of the main sticky rubber roller 208 and is closely connected to the main sticky rubber roller 208. The main sticky rubber roller 208 is installed on the side panel to ensure that the PCB board can be better clamped during the cleaning process, and the sticky paper roll 209 takes away impurities on the main sticky rubber roller 208 to avoid the main sticky rubber roller 208 being not sticky enough and reducing the cleaning effect. At the same time, the sticky paper roll 209 is installed on the movable plate 210 to facilitate removal and cleaning, thereby improving the quality of cleaning.

[0028] In some examples of the present invention, the main sticky rubber roller 208 includes two groups of fixed sticky rubber rollers 2081 and movable sticky rubber rollers 2082 that are closely connected; the movable sticky rubber roller 2082 is provided with a second adjustment arm 216 at one end extending out of the side panel 201; a second cylinder 217 is provided on the side panel 201; one end of the second adjustment arm 216 is rotatably mounted on the side panel 201, and the other end is connected to the output end of the second cylinder 217; the fixed sticky rubber roller 2081 is used for the transmission of the driving device, and the fixed setting ensures the transmission effect, while the movable sticky rubber roller 2082 can be adjusted so that the distance between the fixed sticky rubber roller 2081 and the movable sticky rubber roller 2082 can be adjusted, which can clean PCB boards of different thicknesses on the one hand, and clamp the surface of the PCB board on the other hand to improve the cleaning effect.

[0029] In some examples of the present invention, a third adjusting arm 2102 is provided at one end of the sticky paper roll 209 extending out of the side plate 201; the other end of the third adjusting arm 2102 is rotatably mounted on the outer side of the movable plate 2102; a third cylinder 2101 is provided on the outer side of the movable plate 210; the output end of the third cylinder 2101 is connected to the middle part of the third adjusting arm 2102, and when the third cylinder 2101 is working, the third adjusting arm 2102 can be driven to move, and when the piston end of the third cylinder 2101 is extended, the third adjusting arm 2102 can drive the sticky paper roll 209 to approach the main sticky rubber roller 208, and vice versa.

[0030] In some examples of the present invention, the driving device includes a motor 202; the motor 202 is installed on the inner side of one of the side plates 201; the outer side of the side plate 201 provided with the motor 202 is provided with a reduction box 203 which is transmission-connected to the motor 202; a driving wheel 204 is installed at the output end of the reduction box 23; a group of fixed dust-sticking rubber rollers 2081 close to the motor 202 are provided with a first driven wheel 215 at one end extending out of the side plate 201; a first transmission belt 205 is provided between the first driven wheel 215 and the driving wheel 204; a group of fixed dust-sticking rubber rollers 2081 away from the motor 202 are provided with a second driven wheel 213 at one end extending out of the side plate 201; the two groups of the A second transmission belt 214 is provided between the fixed sticky rubber rollers 2081; the second transmission belt 214 is connected to the second driven wheel 213; when the motor 202 is started, the motor 202 transmits power to the reduction box 203; the reduction box 203 transmits power to the driving wheel 204, and the driving wheel 204 drives the first driven wheel 215 to rotate through the first transmission belt 205, thereby driving a group of fixed sticky rubber rollers 2081 close to the motor 202 to rotate, and a group of fixed sticky rubber rollers 2081 close to the motor 202 drives the second driven wheel 213 to rotate through the second transmission belt 214 to drive a group of fixed sticky rubber rollers 2081 far from the motor 202 to rotate.

[0031] In some examples of the present invention, the acute angle formed by the support plate 4 and the upper surface of the cleaning chassis 2 is greater than 75°, and is preferably 80° in certain embodiments of the present invention. The support plate 4 adopts this angle so that when the PCB board enters through the feed port 5, it can support the PCB board, greatly reducing the labor intensity of the workers. At the same time, this angle is conducive to the lifting or lowering of the PCB board, which is more convenient to use with manual operation and can effectively improve work efficiency.

[0032] In certain embodiments of the present invention, a sensor for detecting the rise or fall of the PCB board is provided inside the cleaning machine chassis 2. The sensor controls the forward and reverse rotation of the motor 202 to achieve the lifting or lowering of the PCB board, and the sensor controls the operation of the first cylinder 211, the second cylinder 217 and the third cylinder 2101 to achieve the clamping and cleaning operation of the PCB board.

[0033] Working principle: When in use, the PCB board to be cleaned is placed into the feed port 5 along the support plate 4. After the lower end of the PCB board is clamped by the upper clamping roller 206, it slides downward along the support plate 4 under the action of the gravity of the PCB board. When the PCB board reaches the lower clamping roller 207, the first cylinder 211 works to make the first adjustment arm 212 move downward. At this time, the lower clamping roller 207 completes the clamping of the PCB board under the action of the first adjustment arm 212. The PCB board continues to move downward under the action of the gravity of the PCB board. At this time, the motor 202 works to drive the reduction box 203 to rotate, and the driving wheel 24 outside the reduction box 203 rotates. The fixed sticky rubber roller 2081 is driven to rotate by the driving belt 205, and the two groups of fixed sticky rubber rollers 2081 are driven by the second driven wheel 213. At the same time, the second cylinder 217 works and contracts so that the second adjustment arm 216 drives the movable sticky rubber roller 2082 to approach the fixed sticky rubber roller 2081 to achieve clamping and cleaning of the PCB board. Impurities on the surface of the PCB board can be removed during the rotation process. Since it is vertically arranged, the influence of the gravity of the PCB board on the movable sticky rubber roller 2082 and the fixed sticky rubber roller 2081 is minimized, and the gravity of the PCB board is also avoided to reduce the fatigue strength of the single-side rubber roller; During the process, since the movable sticky rubber roller 2082 and the fixed sticky rubber roller 2081 will be covered with impurities after working for a period of time, the viscosity will be reduced and insufficient to absorb the impurities of the clean PCB board behind. Therefore, it is necessary to start the third cylinder 2101 during use to extend the output end of the cylinder. Since one end of the third adjustment arm 2102 is rotatably installed on the outer side of the movable plate 2102, the output end of the cylinder 2101 is extended to drive the sticky paper roll 209 to move inward until the sticky paper roll 209 is connected with the main sticky rubber roller 208. At this time, the sticky paper roll 209 can take away the impurities on the main sticky rubber roller 208 to ensure that the main sticky rubber roller 208 is cleaned. The rubber roller 208 maintains good stickiness and continues to work, and the sticky paper roll 209 is arranged on the movable plate 210, and the movable plate 210 is installed on the guide rail. When the cleaning effect is reduced, the movable plate 210 together with the sticky paper roll 209 can be pulled out for processing, thereby ensuring the cleaning quality of the cleaning machine, and at the same time making the operation of the cleaning machine simpler and more convenient, and the cleaning efficiency is higher. The present invention is suitable for the cleaning of panels before the operation of manual exposure machines and semi-automatic exposure machines, which solves the defects of the reciprocating cleaning machines commonly used in the market that they occupy a large space and waste a lot of workshop space. The device has a compact structure, occupies a small space, and is simple and convenient to use.

[0034] In the description of this specification, the description with reference to the terms "one embodiment", "certain embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0035] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0036] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A vertical cleaning machine, comprising a base frame, a cleaning machine housing and a dustproof housing; characterized in that: The top of the cleaning machine housing is provided with a feed inlet; a support plate is provided obliquely at the edge of the feed inlet; a plurality of rubber rollers for cleaning PCB boards are installed inside the cleaning machine housing; a driving device for rotating the rubber rollers is also provided inside the cleaning machine housing The cleaning machine housing comprises side panels symmetrically arranged on the bottom frame; a guide rail is arranged between the symmetrical side panels; a notch is symmetrically provided on each side of the side panel; a movable plate is arranged on the notch; and the movable plate is mounted on the guide rail. An upper clamping roller is provided between the symmetrical side plates; the upper clamping roller is placed directly below the feed port; a lower clamping roller is provided below the upper clamping roller; the lower clamping roller is adjustable and mounted on the side plates A first cylinder is provided on the outer side of the symmetrical side plate; the output end of the first cylinder is connected to a first adjustment arm; an adjustment hole is provided on the first adjustment arm; the two ends of the lower clamping roller are respectively passed through the adjustment holes on the first adjustment arm to set The rubber roller for cleaning the PCB board includes a main sticky rubber roller and a sticky paper roll; the main sticky rubber roller is installed on the side plate; the sticky paper roll is installed on the movable plate; the sticky paper roll is arranged on the outer side of the main sticky rubber roller and is closely connected with the main sticky rubber roller.

2. A vertical cleaning machine according to claim 1, characterized in that: The main sticky rubber roller comprises at least two groups of fixed sticky rubber rollers and movable sticky rubber rollers that are closely connected; a second adjusting arm is provided at one end of the movable sticky rubber roller extending out of the side plate; a second cylinder is provided on the side plate; one end of the second adjusting arm is rotatably mounted on the side plate, and the other end is connected to the output end of the second cylinder.

3. A vertical cleaning machine according to claim 2, characterized in that: A third adjusting arm is arranged at one end of the sticky paper roll extending out of the side plate; the other end of the third adjusting arm is rotatably mounted on the outer side of the movable plate; a third cylinder is arranged on the outer side of the movable plate; the output end of the third cylinder is connected to the middle part of the third adjusting arm.

4. A vertical cleaning machine according to claim 3, characterized in that: The driving device comprises a motor; the motor is installed on the inner side of one of the side plates; a reduction box connected to the motor is provided on the outer side of the side plate with the motor; a driving wheel is installed on the output end of the reduction box.

5. A vertical cleaning machine according to claim 4, characterized in that: A first driven wheel is arranged at one end of the sticky rubber rollers extending out of the side plate of the sticky rubber rollers of the at least two groups of fixed sticky rubber rollers close to the motor; and a first transmission belt is arranged between the first driven wheel and the driving wheel.

6. A vertical cleaning machine according to claim 5, characterized in that: Two adjacent groups of fixed dust-sticking rubber rollers are connected by a second transmission belt.

Images