A rudder blade sandblasting device and sandblasting method thereof

Abstract

The invention discloses a rudder blade sandblasting device, comprising a machine body, wherein the machine body is provided with a feeding port, the feeding port is communicated with a processing chamber in the machine body, a rotating mechanism is provided in the processing chamber, four rudder blade fixing components are provided on the rotating mechanism, a wet sandblasting mechanism, a drying mechanism and a dry sandblasting mechanism are sequentially provided on the inner wall of the processing chamber, and the wet sandblasting mechanism, the drying mechanism and the dry sandblasting mechanism surround the periphery of the rudder blade fixing component; the invention has a simple structure and a novel design, and is a sandblasting device integrating wet sandblasting, drying and dry sandblasting, and drives the rudder blade to be sequentially transferred into corresponding mechanisms for sandblasting treatment through the rotating mechanism, and the sandblasting device does not need to be stopped before loading and unloading, thereby greatly saving processing time.

Description

Technical Field

[0001] The invention relates to the technical field of rudder blade processing, in particular to a rudder blade sandblasting device and a sandblasting method thereof. Background Art

[0002] Sandblasting device is the most widely used product of abrasive jet. In the processing of rudder blades, sandblasting device is needed to sandblast the surface of rudder blades. However, the existing sandblasting device has a single function and needs to be stopped for operation when loading and unloading the rudder blades, which is very time-consuming and labor-intensive. Summary of the invention

[0003] The object of the present invention is to provide a rudder blade sandblasting device and a sandblasting method thereof to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a rudder blade sandblasting device, comprising a body, a feeding port is provided on the body, the feeding port is communicated with a processing chamber in the body, a rotating mechanism is provided in the processing chamber, four rudder blade fixing components are provided on the rotating mechanism, a wet sandblasting mechanism, a drying mechanism and a dry sandblasting mechanism are provided on the inner wall of the processing chamber in sequence, and the wet sandblasting mechanism, the drying mechanism and the dry sandblasting mechanism surround the periphery of the rudder blade fixing component.

[0005] Preferably, the rotating mechanism includes a driving shaft, which is transversely arranged in the processing chamber, one end of which is connected to a rotating motor, a driving gear is provided on the driving shaft, a plurality of driven gears are engaged with the periphery of the driving gear, the driven gears are sleeved on the driven shaft, the driven shaft is transversely arranged in the processing chamber, and a plurality of driven gears are engaged with rotating rings at their peripheries.

[0006] Preferably, each of the rudder blade fixing components comprises a set of mounting posts, the mounting posts are fixed on the outer wall of the rotating ring, a slot is provided at the front end of the mounting post, and a first mounting hole is provided at the bottom of the slot;

[0007] A threaded rod is provided between each group of the mounting columns, and second mounting holes are provided at both ends of the threaded rod, and two fastening nuts are provided on the threaded rod;

[0008] After the two ends of the threaded rod are respectively embedded in the slots, the first mounting hole corresponds to the second mounting hole, and the first mounting hole is fixedly connected to the second mounting hole by bolts.

[0009] Preferably, the wet sandblasting mechanism comprises a first rotating nozzle, the first rotating nozzle is connected to a liquid booster pump through a first delivery pipe, the liquid booster pump is fixed outside the machine body, and the liquid booster pump is connected to a material storage box;

[0010] The first rotating spray head comprises two L-shaped first forks, a plurality of first nozzles are arranged on the first forks, and a first rotating rocker arm is also arranged on the first rotating spray head.

[0011] Preferably, the drying mechanism comprises two hot air pipes, each of which is provided with a plurality of air nozzles, and the hot air pipe passes through the processing chamber and is connected to a hot air blower outside the machine body.

[0012] Preferably, the dry sandblasting mechanism comprises a second rotary nozzle, the second rotary nozzle is connected to a centrifugal air compressor via a second delivery pipe, and a side of the second delivery pipe is connected to an inclined feeding box;

[0013] The second rotating spray head comprises two L-shaped second forks, a plurality of second nozzles are arranged on the second forks, and a second rotating rocker arm is also arranged on the second rotating spray head.

[0014] Preferably, the rudder blade sandblasting method comprises the following steps:

[0015] A. First, wrap the parts of the rudder blade that do not need sandblasting with protective wax or protective glue, then put the rudder blade on the threaded rod, and then put the two fastening nuts on both sides of the threaded rod and tighten them to fix the rudder blade on the threaded rod;

[0016] B. First, turn on the drying mechanism for preheating, then insert the threaded rod with the rudder blade fixed between the first set of mounting columns at the feeding port and fix it with bolts, start the rotating motor to rotate the rotating mechanism, transfer the rudder blade to the wet sandblasting mechanism, and start the wet sandblasting mechanism for rotary sandblasting. At the same time, insert the new threaded rod with the rudder blade fixed between the second set of mounting columns at the feeding port;

[0017] C. After wet sandblasting is completed, the wet sandblasting mechanism is turned off, and the rotating motor is started again to rotate the rotating mechanism. At this time, the rudder blade after wet sandblasting will enter the drying mechanism for drying. At this time, the new rudder blade will enter the wet sandblasting mechanism, and the wet sandblasting mechanism can be started again for rotary sandblasting. At the same time, the threaded rod with the rudder blade fixed is inserted, which is now located between the third group of mounting columns at the feeding port;

[0018] D. After the wet sandblasting is finished, turn off the wet sandblasting mechanism, and start the rotating motor again to rotate the rotating mechanism. At this time, the dried rudder blade will enter the dry sandblasting mechanism. At the same time, the new rudder blade after wet sandblasting will enter the drying mechanism for drying. The latest rudder blade enters the wet sandblasting mechanism. At this time, the wet sandblasting mechanism and the dry sandblasting mechanism can be started at the same time for rotary sandblasting. At the same time, the threaded rod with the rudder blade fixed is inserted, which is now located between the fourth group of mounting columns at the feeding port;

[0019] E. After the wet sandblasting and dry sandblasting are completed, the wet sandblasting mechanism and the dry sandblasting mechanism can be closed at the same time, and then the rotating motor can be started again to rotate the rotating mechanism. At this time, the newly added rudder piece enters the wet sandblasting mechanism, and the original rudder piece after wet sandblasting will enter the drying mechanism for drying, and the original rudder piece after drying will enter the dry sandblasting mechanism. The rudder piece after the original dry sandblasting will be transferred to the feeding port. At this time, the wet sandblasting mechanism and the dry sandblasting mechanism can be started again for rotary sandblasting. At the same time, the rudder piece after sandblasting is removed, replaced with a new rudder piece and repeat the above steps.

[0020] Compared with the prior art, the beneficial effects of the present invention are: the present invention has a simple structure and a novel design. It is a sandblasting device that integrates wet sandblasting, drying and dry sandblasting. The rudder blades are driven by a rotating mechanism to be sequentially transferred into corresponding mechanisms for sandblasting. The sandblasting device does not need to be shut down for loading and unloading, which greatly saves processing time. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the internal structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the connection between the rotating mechanism and the rudder blade fixing mechanism of the present invention;

[0023] Figure 3 It is a schematic diagram of the threaded rod structure of the present invention;

[0024] Figure 4 This is a schematic diagram of the top view of the mounting column of the present invention;

[0025] Figure 5 It is a schematic diagram of a top-view cross-sectional structure of the present invention;

[0026] Figure 6 It is a schematic diagram of the side cross-sectional structure of the present invention;

[0027] Figure 7 It is a schematic diagram of the wet sandblasting mechanism of the present invention;

[0028] Figure 8 It is a schematic diagram of the dry sandblasting mechanism of the present invention. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] In the description of the invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply 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 invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0031] In the description of the invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" 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 a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the invention can be understood according to specific circumstances.

[0032] Please refer to the figure, the present invention provides a technical solution: a rudder blade sandblasting device, including a body 1, the body 1 is provided with a feeding port 11, the feeding port 11 is communicated with a processing chamber 12 in the body, the processing chamber 12 is provided with a rotating mechanism 2, when the rotating mechanism 2 rotates, it can drive four rudder blade fixing components 3 arranged on the rotating mechanism to rotate together, the inner wall of the processing chamber 12 is provided with a wet sandblasting mechanism 4, a drying mechanism 5 and a dry sandblasting mechanism 6 in sequence, because the wet sandblasting mechanism 4, the drying mechanism 5 and the dry sandblasting mechanism 6 surround the rudder blade fixing components 3, ... The outer periphery of the rudder blade fixing component 3, so that when the rudder blade fixing component is rotating, the fixed rudder blade will also rotate, and will be transferred to the wet sandblasting mechanism 4, the drying mechanism 5 and the dry sandblasting mechanism 6 for processing in sequence. First, wet sandblasting is performed, using a mixture of abrasive and water to spray water sand on the surface of the rudder blade to establish a very important basic pattern (commonly known as the rough surface), and then the drying mechanism is used for drying to make the sandblasting bonding stronger and the quality better. Finally, dry sandblasting is performed, using coarser abrasive to spray on the surface of the rudder blade to produce uniform and fine concave and convex surfaces to form a protective layer.

[0033] In this embodiment, the rotating mechanism 2 includes a driving shaft 21, which is transversely arranged in the processing chamber 12. One end of the driving shaft 21 is connected to a rotating motor 211, and the driving shaft 21 can be driven to rotate by the rotating motor, so that the driving gear 212 arranged on the driving shaft 21 will also rotate. Since a plurality of driven gears 221 are engaged with the periphery of the driving gear 212, the driven gear 221 is sleeved on the driven shaft 22, and the driven shaft 22 is transversely arranged in the processing chamber 12, when the driving gear rotates, the driven gear will also rotate, thereby driving the rotating rings 23 engaged with the periphery of the plurality of driven gears 221 to rotate together.

[0034] In this embodiment, each of the rudder blade fixing components 3 includes a set of mounting posts 31. Since the mounting posts 31 are fixed on the outer wall of the rotating ring 23, when the rotating ring rotates, the four rudder blade fixing components on the rotating ring will also rotate accordingly.

[0035] A slot 311 is provided at the front end of the mounting column 31, and a first mounting hole 312 is provided at the bottom of the slot 311;

[0036] A threaded rod 32 is provided between each group of the mounting columns 31, and second mounting holes 321 are provided at both ends of the threaded rod 32. Two fastening nuts 322 are provided on the threaded rod 32;

[0037] In the above embodiment, the installation steps of the rudder plate are as follows: put the rudder plate on the threaded rod 32, and respectively insert two fastening nuts from the two ends of the threaded rod and tighten them, so that the rudder plate can be clamped on the threaded rod. At this time, the two ends of the threaded rod are respectively inserted into the card groove 311, so that the first mounting hole 312 corresponds to the second mounting hole 321, so that the first mounting hole 312 and the second mounting hole 321 can be fixedly connected by the bolt 323, so that the rudder plate is fixed to the rudder plate fixing assembly.

[0038] In this embodiment, the wet sandblasting mechanism 4 includes a first rotating nozzle 41, which is connected to a liquid booster pump 431 through a first delivery pipe 42. The liquid booster pump 431 is fixed on the outside of the machine body, and is connected to a storage box 43. The water sand in the storage box can be delivered from the first delivery pipe to the first rotating nozzle for spraying through the liquid booster pump 431. Due to the centrifugal effect of the liquid and the reaction force, the nozzle can rotate while spraying water sand, thereby rotating 360 degrees around the rudder blade for sandblasting.

[0039] The first rotating nozzle 41 in the above embodiment includes two L-shaped first forks 411, and a plurality of first nozzles 412 are provided on the first fork 411 to increase the sandblasting area. In addition, the first rotating nozzle 412 is also provided with a first rotating rocker arm 413, which includes a buffer spring and rocker arms extending outward on both sides. When the liquid booster pump is turned off, water and sand are no longer transported. At this time, the buffer spring will buffer the first rotating nozzle that is still rotating by inertia to make it stable, and the rocker arms on both sides drive it to rotate back to its original position.

[0040] In this embodiment, the drying mechanism 5 includes two hot air pipes 51, which are respectively located on the side walls of the processing chamber. Each of the hot air pipes 51 is provided with a plurality of air nozzles 511. The hot air pipe 51 passes through the processing chamber 12 and is connected to the hot air blower 52 on the outside of the machine body 1. The hot air generated after the hot air blower is turned on will enter the hot air duct and be blown out from the air nozzle to dry the rudder blade.

[0041] In this embodiment, the dry sandblasting mechanism 6 includes a second rotating nozzle 61, which is connected to a centrifugal air compressor 63 through a second delivery pipe 62. The side of the second delivery pipe 62 is connected to an inclined feeding box 64 for adding abrasives. The air pressure generated by the centrifugal air compressor 63 is used to deliver the abrasives entering the second delivery pipe into the second rotating nozzle and spray them on the rudder blade. Due to the centrifugal effect and reaction force generated by the gas, the nozzle can rotate while spraying dry sand, so as to perform sandblasting around the rudder blade 360 ​​degrees.

[0042] In the above embodiment, the second rotating nozzle 61 includes two L-shaped second forks 611. By providing a plurality of second nozzles 612 on the second fork 611, the sandblasting area is increased. In addition, the second rotating nozzle 61 is also provided with a second rotary rocker arm 613. The second rotary rocker arm includes a buffer spring and rocker arms extending outward on both sides. When the centrifugal air compressor is turned off, dry sand is no longer transported. At this time, the buffer spring will buffer the second rotating nozzle that is still rotating by inertia to make it stable, and the rocker arms on both sides drive it to rotate back to its original position.

[0043] In this embodiment, the rudder blade sandblasting method includes the following steps:

[0044] A. First, wrap the part of the rudder blade that does not need sandblasting with protective wax or protective glue, then put the rudder blade on the threaded rod 32, and then put the two fastening nuts 322 on both sides of the threaded rod 32 and tighten them, so that the rudder blade can be fixed on the threaded rod 32;

[0045] B. First, turn on the drying mechanism 5 for preheating, then insert the threaded rod 32 with the rudder blade fixed thereon between the first group of mounting columns 31 located at the feeding port 11 and fix it with bolts, start the rotating motor 211 to rotate the rotating mechanism 2, so that the rudder blade is transferred to the wet sandblasting mechanism 4, and start the wet sandblasting mechanism 4 for rotary sandblasting, and at the same time insert a new threaded rod 32 with the rudder blade fixed thereon, which is now located between the second group of mounting columns 32 at the feeding port;

[0046] C. After the wet sandblasting is finished, the wet sandblasting mechanism 4 is turned off, and the rotating motor 211 is started again to rotate the rotating mechanism 2. At this time, the rudder blade after wet sandblasting will enter the drying mechanism 5 for drying. At this time, the new rudder blade will enter the wet sandblasting mechanism 4, and the wet sandblasting mechanism 4 can be started again for rotary sandblasting. At the same time, the threaded rod 32 with the rudder blade fixed is inserted, and is now located between the third group of mounting columns 31 at the feeding port 11;

[0047] D. After the wet sandblasting is finished, the wet sandblasting mechanism 4 is turned off, and the rotating motor 211 is started again to rotate the rotating mechanism 2. At this time, the dried rudder blade will enter the dry sandblasting mechanism 6. At the same time, the new rudder blade after wet sandblasting will enter the drying mechanism 5 for drying. The latest rudder blade enters the wet sandblasting mechanism 4. At this time, the wet sandblasting mechanism 4 and the dry sandblasting mechanism 6 can be started at the same time for rotary sandblasting. At the same time, the threaded rod 32 with the rudder blade fixed is inserted, which is now located between the fourth group of mounting columns 31 at the feeding port 11;

[0048] E. After the wet sandblasting and dry sandblasting are completed, the wet sandblasting mechanism 4 and the dry sandblasting mechanism 6 can be closed at the same time, and then the rotating motor 211 can be started again to rotate the rotating mechanism 2. At this time, the newly added rudder blade enters the wet sandblasting mechanism 4, the original rudder blade after wet sandblasting will enter the drying mechanism 5 for drying, and the original rudder blade after drying will enter the dry sandblasting mechanism 6. The rudder blade after the original dry sandblasting will be transferred to the feeding port 11. At this time, the wet sandblasting mechanism 4 and the dry sandblasting mechanism 6 can be started again for rotary sandblasting. At the same time, the rudder blade after the dry sandblasting is completed will be removed, replaced with a new rudder blade and the above steps will be repeated.

[0049] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered in all respects as exemplary and non-restrictive, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all changes within the meaning and range of equivalents of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0050] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rudder blade sandblasting device, comprising a body (1), wherein the body (1) is provided with a feeding port (11), wherein the feeding port (11) is communicated with a processing chamber (12) in the body, and wherein: A rotating mechanism (2) is provided in the processing chamber (12), four rudder blade fixing assemblies (3) are provided on the rotating mechanism (2), a wet sandblasting mechanism (4), a drying mechanism (5) and a dry sandblasting mechanism (6) are provided in sequence on the inner wall of the processing chamber (12), and the wet sandblasting mechanism (4), the drying mechanism (5) and the dry sandblasting mechanism (6) surround the periphery of the rudder blade fixing assembly (3); The rotating mechanism (2) comprises a driving rotating shaft (21), the driving rotating shaft (21) being arranged transversely in the processing chamber (12), one end of the driving rotating shaft (21) being connected to a rotating motor (211), the driving rotating shaft (21) being provided with a driving gear (212), a plurality of driven gears (221) being engaged with the periphery of the driving gear (212), the driven gears (221) being sleeved on the driven rotating shaft (22), the driven rotating shaft (22) being arranged transversely in the processing chamber (12), and a plurality of driven gears (221) being engaged with rotating rings (23) with the peripheries thereof; Each of the rudder blade fixing assemblies (3) comprises a group of mounting columns (31), the mounting columns (31) being fixed on the outer wall of the rotating ring (23), the front ends of the mounting columns (31) being provided with a slot (311), and the bottoms of the slots (311) being provided with a first mounting hole (312); A threaded rod (32) is provided between each group of the mounting columns (31), and second mounting holes (321) are provided at both ends of the threaded rod (32). The threaded rod (32) is equipped with two fastening nuts (322); After the two ends of the threaded rod (32) are respectively inserted into the slots (311), the first mounting hole (312) corresponds to the second mounting hole (321), and the first mounting hole (312) and the second mounting hole (321) are fixedly connected by bolts (323); The wet sandblasting mechanism (4) comprises a first rotating nozzle (41), the first rotating nozzle (41) being connected to a liquid booster pump (431) via a first delivery pipe (42), the liquid booster pump (431) being fixed outside the machine body, and the liquid booster pump (431) being connected to a material storage box (43); The first rotating spray head (41) comprises two L-shaped first fork heads (411), a plurality of first nozzles (412) are provided on the first fork heads (411), and the first rotating spray head (41) is also provided with a first rotating rocker arm (413); The dry sandblasting mechanism (6) comprises a second rotating nozzle (61), the second rotating nozzle (61) being connected to a centrifugal air compressor (63) via a second delivery pipe (62), and a side edge of the second delivery pipe (62) being connected to an inclined feeding box (64); The second rotating spray head (61) comprises two L-shaped second forks (611), a plurality of second nozzles (612) are provided on the second forks (611), and a second rotating rocker arm (613) is also provided on the second rotating spray head (61).

2. A rudder blade sandblasting device according to claim 1, characterized in that: The drying mechanism (5) comprises two hot air pipes (51), each of the hot air pipes (51) being provided with a plurality of air nozzles (511), and the hot air pipes (51) passing through the processing chamber (12) are connected to a hot air blower (52) outside the machine body (1).

3. A method for sandblasting a rudder blade using the rudder blade sandblasting device according to any one of claims 1 to 2, characterized in that: The following steps are involved: A. First, wrap the parts of the rudder blade that do not need to be sandblasted with protective wax or protective glue, then put the rudder blade on the threaded rod (32), and then put two fastening nuts (322) on both sides of the threaded rod (32) and tighten them, so that the rudder blade can be fixed on the threaded rod (32); B. First, the drying mechanism (5) is turned on for preheating, and then the threaded rod (32) with the rudder blade fixed thereon is inserted between the first group of mounting columns (31) located at the feeding port (11) and fixed with bolts, and the rotating motor (211) is started to rotate the rotating mechanism (2) so that the rudder blade is transferred to the wet sandblasting mechanism (4), and the wet sandblasting mechanism (4) is started for rotary sandblasting, and at the same time, a new threaded rod (32) with the rudder blade fixed thereon is inserted, and is now located between the second group of mounting columns (31) at the feeding port; C. After the wet sandblasting is completed, the wet sandblasting mechanism (4) is turned off, and the rotating motor (211) is started again to rotate the rotating mechanism (2). At this time, the rudder blade after wet sandblasting will enter the drying mechanism (5) for drying. At this time, the new rudder blade will enter the wet sandblasting mechanism (4), and the wet sandblasting mechanism (4) can be started again for rotating sandblasting. At the same time, the threaded rod (32) fixed with the rudder blade is inserted, and is now located between the third group of mounting columns (31) at the feeding port (11); D. After the wet sandblasting is completed, the wet sandblasting mechanism (4) is turned off, and the rotating motor (211) is started again to rotate the rotating mechanism (2). At this time, the dried rudder blade will enter the dry sandblasting mechanism (6). At the same time, the new rudder blade after wet sandblasting will enter the drying mechanism (5) for drying. The newest rudder blade enters the wet sandblasting mechanism (4). At this time, the wet sandblasting mechanism (4) and the dry sandblasting mechanism (6) can be started at the same time for rotating sandblasting. At the same time, the threaded rod (32) fixed with the rudder blade is inserted, which is now located between the fourth group of mounting columns (31) at the feeding port (11); E. After the wet sandblasting and dry sandblasting are completed, the wet sandblasting mechanism (4) and the dry sandblasting mechanism (6) can be turned off at the same time, and then the rotating motor (211) can be started again to rotate the rotating mechanism (2). At this time, the newly added rudder blade enters the wet sandblasting mechanism (4), the original rudder blade that has been wet sandblasted will enter the drying mechanism (5) for drying, and the original rudder blade that has been dried will enter the dry sandblasting mechanism (6). The rudder blade that has been dry sandblasted will be transferred to the feeding port (11). At this time, the wet sandblasting mechanism (4) and the dry sandblasting mechanism (6) can be started again for rotary sandblasting. At the same time, the rudder blade that has been dry sandblasted will be removed, replaced with a new rudder blade, and the above steps will be repeated.

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