Floating roller dust sticking mechanism based on pneumatic control

Abstract

The utility model belongs to the technical field of dust sticking equipment, and particularly relates to a floating roller dust sticking mechanism based on air pressure control, which comprises an air cylinder fixing plate, a left fixing plate and a right fixing plate, and the left fixing plate and the right fixing plate are arranged under the air cylinder fixing plate. A brush and vacuum dust collection are replaced as a main dust removal mode; the layout that a brush and vacuum dust collection serve as primary dust removal, and floating roller dust sticking serves as secondary dust removal is achieved; therefore, the dust removal effect and speed can be improved, the production speed of a production line is improved, the production cost of enterprises is reduced, and scale benefits are achieved; a spring floating device is adopted in the structure and is matched with a guide shaft linear bearing to achieve floating adjustment of the dust sticking roller, and the dust removal requirements of different plate thicknesses can be met; and finally, the dust-sticking roller is oppositely clamped by a bearing, and the plum blossom handle is fixed by a screw, so that the function of quickly replacing the roller and the roller can be realized.

Description

Technical Field

[0001] The utility model relates to the technical field of dust sticking equipment, in particular to a floating roller dust sticking mechanism based on air pressure control. Background Art

[0002] Before the SMT surface mounting process, the PCB board needs to be cleaned. The effect of PCB board cleaning directly affects the quality of mounting and the yield of the product, which has a great impact on the production efficiency and production cost of the enterprise.

[0003] Generally, PCB cleaning is mainly done by brush + vacuum cleaning. When the PCB is transported, the brush and vacuum cleaner above work together to remove dust. This method cannot completely remove dust from the PCB, and requires a vacuum cleaner to work, which can easily blow up dust and cause secondary pollution. At the same time, the gas consumption is relatively large and the speed is low. This has become one of the important nodes that restrict the speed-up of the production line and the improvement of the production efficiency of the enterprise, resulting in high production costs for the enterprise. To this end, we provide a floating roller dust-adhesive mechanism based on air pressure control to solve the corresponding problems. Utility Model Content

[0004] In order to solve the above problems, the utility model proposes a floating roller dust-binding mechanism based on air pressure control, so as to more accurately solve the problems raised in the above background technology.

[0005] The utility model is realized by the following technical solutions:

[0006] The utility model proposes a floating roller dust-sticking mechanism based on air pressure control, comprising a cylinder fixing plate, a left fixing plate and a right fixing plate, wherein the left fixing plate and the right fixing plate are arranged directly below the cylinder fixing plate, a downward-pressing cylinder is installed at the lower end of the cylinder fixing plate, a cylinder pressure head is fixedly installed at the output end of the downward-pressing cylinder, a dust-sticking roller paper and a silicone roller are respectively arranged between the left fixing plate and the right fixing plate from top to bottom, a roller floating assembly is connected between the left fixing plate, the right fixing plate and the dust-sticking roller paper; a roller floating assembly is connected between the left fixing plate, the right fixing plate and the silicone roller.

[0007] Furthermore, the opposite surfaces of the left fixed plate and the right fixed plate are respectively installed with a bearing fixing block and a linear bearing fixing seat, the bearing fixing block is installed with a linear bearing, the bearing fixing block is provided with a guide shaft through the linear bearing, and the upper end of the guide shaft is fixedly installed with a pressure plate.

[0008] Furthermore, the roller floating assembly includes a floating spring, a first floating sleeve, a plum handle screw, a roller rotating shaft fixing block, a roller rotating shaft body, a roller rotating bearing and a roller clamping block, the two groups of the floating springs are respectively mounted on the outer side surfaces of the left fixed plate and the right fixed plate, the first floating sleeve is mounted on the outer side surface of the left fixed plate, the plum handle screw is threadedly connected to the periphery of the first floating sleeve, the roller rotating shaft fixing block is slidably connected to the right fixed plate and is connected to the end of the floating spring; the roller rotating shaft body is respectively mounted on both ends of the sticky roller paper, the roller rotating bearing is arranged between the sticky roller paper and the roller rotating shaft body, and the roller clamping block is mounted between the sticky roller paper and the roller rotating bearing.

[0009] Furthermore, the roller floating assembly includes a second floating sleeve, a roller drive motor, a motor support plate, a motor fixed plate, a transmission gear, a roller slewing bearing, a roller slewing shaft body and a roller slewing shaft fixing block, the second floating sleeve is installed on the outer side of the left fixed plate, the motor support plate is installed on the outer side of the right fixed plate, the motor fixed plate is fixedly installed on the end of the motor support plate, the roller drive motor is fixedly installed on the surface of the motor fixed plate, the transmission gear is fixedly connected to the output end of the roller drive motor, the roller slewing shaft body is arranged at both ends of the silicone roller, the roller slewing bearing is connected to the periphery of the roller slewing shaft body, and the roller slewing shaft fixing block is rotatably connected to the other end of the roller slewing shaft body.

[0010] Furthermore, a plug-in rod is inserted into the inner wall of the linear bearing fixing seat, and an adjustment block is fixedly installed on the lower end of the plug-in rod, and the adjustment block is rotatably connected to the end of the roller rotating shaft body.

[0011] Furthermore, gear rings are installed at the ends of the two roller rotating shaft bodies, and the gear rings are meshed and connected with the transmission gears, and the outer peripheries of the sticky roller paper and the silicone roller are provided with rolling paper.

[0012] Beneficial effects of the utility model:

[0013] The utility model uses a floating roller dust collection mechanism based on air pressure control to replace brushes and vacuum dust collection as the main dust removal method; it realizes the layout of brush + vacuum dust collection as the primary dust removal and floating roller dust collection as the secondary dust removal; this can improve the dust removal effect and speed, thereby increasing the production speed of the production line, reducing the production cost of the enterprise, and achieving economies of scale; and a spring floating device is adopted in the structure, which cooperates with the guide shaft linear bearing to realize the floating adjustment of the dust collection roller, which can adapt to the dust removal needs of different plate thicknesses; finally, the dust collection roller is clamped on the opposite side of the bearing and fixed with a plum blossom handle screw, so as to realize the function of rapid replacement of the roller and the wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural front view of an embodiment of the utility model;

[0015] Figure 2 This is a schematic diagram of the partial structural connection of a right fixed plate, a dust-sticky roller paper and a silicone roller in one embodiment of the utility model;

[0016] Figure 3 It is a side sectional view of the local structure of an embodiment of the utility model.

[0017] In the figure: 1. Cylinder fixing plate; 2. Down-pressing cylinder; 3. Cylinder pressure head; 4. Left fixing plate; 5. Guide shaft; 6. Linear bearing; 7. Bearing fixing block; 8. Floating spring; 9. Linear bearing fixing seat; 10. First floating sleeve; 11. Plum handle screw; 12. Second floating sleeve; 13. Adjustment block; 14. Pressure plate; 15. Right fixing plate; 16. Roller driving motor; 17. Sticky roller paper; 18. Silicone roller; 19. Motor support plate; 20. Motor fixing plate; 21. Transmission gear; 22. Roller rotating shaft fixing block; 23. Roller rotating shaft body; 24. Roller rotating bearing; 25. Roller clamping block; 26. Roller rotating bearing; 27. Roller rotating shaft body; 28. Roller rotating shaft fixing block; 29. ​​Roll paper. DETAILED DESCRIPTION

[0018] In order to more clearly and completely illustrate the technical solution of the present invention, the present invention is further described below in conjunction with the accompanying drawings.

[0019] Example

[0020] like Figure 1-Figure 3As shown, a floating roller dust sticking mechanism based on air pressure control proposed in one embodiment of the utility model comprises a cylinder fixing plate 1, a left fixing plate 4 and a right fixing plate 15, wherein the left fixing plate 4 and the right fixing plate 15 are arranged directly below the cylinder fixing plate 1, a downward pressing cylinder 2 is installed at the lower end of the cylinder fixing plate 1, a cylinder pressure head 3 is fixedly installed at the output end of the downward pressing cylinder 2, a dust sticking roller paper 17 and a silicone roller 18 are respectively arranged from top to bottom between the left fixing plate 4 and the right fixing plate 15, and a roller floating assembly is connected between the left fixing plate 4, the right fixing plate 15 and the dust sticking roller paper 17; A roller floating assembly is connected between the left fixed plate 4, the right fixed plate 15 and the silicone roller 18. The opposite surfaces of the left fixed plate 4 and the right fixed plate 15 are respectively installed with a bearing fixing block 7 and a linear bearing fixing seat 9. A linear bearing 6 is installed on the bearing fixing block 7. The bearing fixing block 7 is provided with a guide shaft 5 through the linear bearing 6. A pressure plate 14 is fixedly installed on the upper end of the guide shaft 5. Gear rings are installed at the ends of the two roller rotating shaft bodies 27, and the gear rings are meshed and connected with the transmission gear 21. Roll paper 29 is provided on the periphery of the sticky roller paper 17 and the silicone roller 18.

[0021] Among them, after the electromagnetic valve controls the air intake, the piston of the downward pressure cylinder 2 extends downward and acts on the pressure plate 14 to provide a downward pressure Fpressure. The floating spring 8 is in a stretched state and provides an upward elastic force Fspring; when the roll paper 29 is attached to the PCB board for dust collection, the gravity G1 of the roller floating assembly and the gravity G2 of the roller floating assembly act on the floating spring 8; the support force Fsupport of the track on the PCB board. The force analysis of the PCB board is Fspring + Fsupport = Fpressure + G1 + G2. G1 and G2 are fixed values. Fpressure is only related to the air source pressure, which is the product of the cylinder pressure and the rodless side area, that is, Fpressure = P*S. Fspring is only related to the displacement, which can be controlled by the adjustment block 13. Therefore, the pressure on the PCB board is only related to the displacement of the adjustment block 13. When the thickness of the PCB board is different, the displacement can be controlled by the adjustment block 13 to obtain different dust collection pressures to prevent excessive pressure and ensure that the roll paper 29 is completely attached to the PCB board.

[0022] Furthermore, the roller floating assembly includes a floating spring 8, a first floating sleeve 10, a plum handle screw 11, a roller rotating shaft fixing block 22, a roller rotating shaft body 23, a roller rotating bearing 24 and a roller clamping block 25. The two groups of the floating springs 8 are respectively installed on the outer side surfaces of the left fixed plate 4 and the right fixed plate 15. The first floating sleeve 10 is installed on the outer side surface of the left fixed plate 4. The plum handle screw 11 is threadedly connected to the periphery of the first floating sleeve 10. The roller rotating shaft fixing block 22 is slidably connected to the right fixed plate 15 and is connected to the end of the floating spring 8. The roller rotating shaft body 23 is respectively installed at both ends of the sticky roller paper 17. The roller rotating bearing 24 is arranged between the sticky roller paper 17 and the roller rotating shaft body 23. The roller clamping block 25 is installed between the sticky roller paper 17 and the roller rotating bearing 24.

[0023] Furthermore, the roller floating assembly includes a second floating sleeve 12, a roller drive motor 16, a motor support plate 19, a motor fixing plate 20, a transmission gear 21, a roller slewing bearing 26, a roller slewing shaft body 27 and a roller slewing shaft fixing block 28, wherein the second floating sleeve 12 is mounted on the outer side of the left fixing plate 4, the motor support plate 19 is mounted on the outer side of the right fixing plate 15, the motor fixing plate 20 is fixedly mounted on the end of the motor support plate 19, and the roller drive motor 16 is fixedly mounted on the motor fixing plate 27. The surface of the plate 20, the transmission gear 21 is fixedly connected to the output end of the roller drive motor 16, the roller rotating shaft body 27 is arranged at both ends of the silicone roller 18, the roller rotating bearing 26 is connected to the periphery of the roller rotating shaft body 27, the roller rotating shaft fixing block 28 is rotatably connected to the other end of the roller rotating shaft body 27, the inner wall of the linear bearing fixing seat 9 is plugged with a plug rod, and the lower end of the plug rod is fixedly installed with an adjustment block 13, and the adjustment block 13 is rotatably connected to the end of the roller rotating shaft body 27.

[0024] The working principle of the utility model is as follows: the cylinder fixing plate 1, the pressing cylinder 2 and the cylinder pressure head 3 form a roller pressing cylinder assembly, which is connected and fixed to the equipment body to provide the roller pressing force; the left fixing plate 4 and the right fixing plate 15 are connected and fixed to the equipment body and are fixed, and the roller rotary bearing 26 clamps the two ends of the silicone roller 18; the roller clamping block 25 clamps the two ends of the sticky roller paper 17, and the roll paper 29 bypasses the two silicone rollers 18, so that a section of the roll paper 29 is parallel to the PCB board; the sticky roller paper 17 and the floating spring 8, the first floating shaft sleeve 10, the plum blossom The handle screw 11, the roller rotating shaft fixing block 22, the roller rotating shaft body 23, the roller rotating bearing 24, and the roller clamping block 25 constitute a roller floating assembly; the silicone roller 18 and the second floating sleeve 12, the roller drive motor 16, the motor support plate 19, the motor fixing plate 20, the transmission gear 21, the roller rotating bearing 26, the roller rotating shaft body 27, and the roller rotating shaft fixing block 28 constitute a roller floating assembly; the two floating assemblies can move up and down along the guide shaft, the floating spring 8 eliminates the dead weight of the two floating assemblies, and the adjustment block 13 limits the displacement.

[0025] Finally, it should be noted that the basic concepts have been described above. Obviously, for those skilled in the art, the above detailed disclosure is only an example and does not constitute a limitation of this specification. Although it is not explicitly stated here, those skilled in the art may make various modifications, improvements and corrections to this specification. Such modifications, improvements and corrections are suggested in this specification, so such modifications, improvements and corrections still belong to the spirit and scope of the exemplary embodiments of this specification. At the same time, this specification uses specific words to describe the embodiments of this specification. For example, "one embodiment", "one embodiment", and / or "some embodiments" refer to a certain feature, structure or characteristic related to at least one embodiment of this specification. Therefore, it should be emphasized and noted that "one embodiment" or "one embodiment" or "an alternative embodiment" mentioned twice or more in different positions in this specification does not necessarily refer to the same embodiment. In addition, certain features, structures or characteristics in one or more embodiments of this specification can be appropriately combined. In addition, unless explicitly stated in the claims, the order of processing elements and sequences described in this specification, the use of alphanumeric characters, or the use of other names are not used to limit the order of the processes and methods of this specification.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A floating roller dust collecting mechanism based on air pressure control, comprising a cylinder fixing plate (1), a left fixing plate (4) and a right fixing plate (15), wherein the left fixing plate (4) and the right fixing plate (15) are arranged directly below the cylinder fixing plate (1), characterized in that: A downward-pressing cylinder (2) is installed at the lower end of the cylinder fixing plate (1), and a cylinder pressure head (3) is fixedly installed at the output end of the downward-pressing cylinder (2). A sticky roller paper (17) and a silicone roller (18) are respectively arranged from top to bottom between the left fixing plate (4) and the right fixing plate (15). A roller floating assembly is connected between the left fixing plate (4), the right fixing plate (15) and the sticky roller paper (17); and a roller floating assembly is connected between the left fixing plate (4), the right fixing plate (15) and the silicone roller (18).

2. The floating roller dust-binding mechanism based on air pressure control according to claim 1 is characterized in that: The opposite surfaces of the left fixed plate (4) and the right fixed plate (15) are respectively mounted with a bearing fixing block (7) and a linear bearing fixing seat (9); a linear bearing (6) is mounted on the bearing fixing block (7); a guide shaft (5) is arranged on the bearing fixing block (7) through the linear bearing (6); a pressure plate (14) is fixedly mounted on the upper end of the guide shaft (5).

3. The floating roller dust-binding mechanism based on air pressure control according to claim 1 is characterized in that: The roller floating assembly comprises a floating spring (8), a first floating sleeve (10), a plum handle screw (11), a roller rotating shaft fixing block (22), a roller rotating shaft body (23), a roller rotating bearing (24) and a roller clamping block (25). The two groups of the floating springs (8) are respectively mounted on the outer side surfaces of the left fixed plate (4) and the right fixed plate (15). The first floating sleeve (10) is mounted on the outer side surface of the left fixed plate (4). The plum handle screw (11) is threadedly connected to the outer periphery of the first floating sleeve (10). The roller rotating shaft fixing block (22) is slidably connected to the right fixed plate (15) and is connected to the end of the floating spring (8). The roller rotating shaft body (23) is respectively mounted on the two ends of the sticky roller paper (17). The roller rotating bearing (24) is arranged between the sticky roller paper (17) and the roller rotating shaft body (23). The roller clamping block (25) is mounted between the sticky roller paper (17) and the roller rotating bearing (24).

4. The floating roller dust-binding mechanism based on air pressure control according to claim 2 is characterized in that: The roller floating assembly comprises a second floating sleeve (12), a roller driving motor (16), a motor support plate (19), a motor fixing plate (20), a transmission gear (21), a roller rotary bearing (26), a roller rotary shaft body (27) and a roller rotary shaft fixing block (28), wherein the second floating sleeve (12) is mounted on the outer side surface of the left fixing plate (4), the motor support plate (19) is mounted on the outer side surface of the right fixing plate (15), and the motor fixing plate (20) is fixedly mounted At the end of the motor support plate (19), the roller drive motor (16) is fixedly mounted on the surface of the motor fixing plate (20), the transmission gear (21) is fixedly connected to the output end of the roller drive motor (16), the roller rotating shaft body (27) is arranged at both ends of the silicone roller (18), the roller rotating bearing (26) is connected to the periphery of the roller rotating shaft body (27), and the roller rotating shaft fixing block (28) is rotatably connected to the other end of the roller rotating shaft body (27).

5. The floating roller dust-binding mechanism based on air pressure control according to claim 4 is characterized in that: A plug-in rod is inserted into the inner wall of the linear bearing fixing seat (9), and an adjustment block (13) is fixedly installed at the lower end of the plug-in rod. The adjustment block (13) is rotatably connected to the end of the roller rotating shaft body (27).

6. The floating roller dust-binding mechanism based on air pressure control according to claim 4 is characterized in that: The ends of the two roller rotating shaft bodies (27) are both provided with gear rings, which are meshed and connected with the transmission gear (21). The outer peripheries of the dust-sticking roller paper (17) and the silicone roller (18) are provided with rolling paper (29).

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