TWI734638B - Underwater cutting machine with function of tilted angle cutting - Google Patents

Abstract

An underwater cutting machine of the invention is provided, which includes a fixed module, a dual-axis control module and a cutting module. The fixed module includes a bracket unit, a clamping unit and a hinge unit. The bracket unit is disposed on the fixed module; the clamping unit is disposed on an end of the bracket unit to clamp a processed part; and the hinge unit is disposed on the other end of the bracket unit. The dual-axis control module includes a pivot unit, a first rail unit, and a second rail unit. The pivot unit is pivotally connected to the hinge unit; the first rail unit is disposed on the pivot unit; and the second rail unit is movably coupled to the first rail unit, wherein the second rail unit is driven by a first hydraulic motor and a second hydraulic motor to respectively move in a first direction and a second direction. The cutting module is disposed on an end of the second rail unit to cut the processed part.

Description

Underwater cutting machine with bevel cutting function

The invention relates to an underwater cutting machine, in particular to an underwater cutting machine with a controllable inclination angle and capable of cutting bevels.

Based on safety considerations, the relevant facilities of a nuclear power plant must enter the decommissioning stage after a period of operation. When these facilities enter the decommissioning stage, they will have high radiation doses of radioactive materials due to their high-intensity and long-term contact with nuclear fuel or nuclear waste. In addition, these facilities are often large-volume metal components. Therefore, how to further disassemble these metal components with radioactive materials into smaller-volume cutting parts is a problem to be solved in the technical field.

At present, one of the known methods is to put the above-mentioned metal components in water and use the water as a radiation shielding material to shield the metal components with high radiation dose rate. However, as far as the currently known underwater cutting machine is concerned, it can only control two axial directions at the same time, so it can only cut on a single-angled plane, and cannot control the inclination angle of the above-mentioned plane at the same time. The shape change that can be cut is not high and monotonous.

Therefore, how to cut through a variety of inclination angles quickly without having to adjust the metal components, and effectively disassemble the metal components to the appropriate size specifications, has become a problem to be solved in the technical field.

In order to solve the above-mentioned problems, the embodiment of the present invention develops an underwater cutting machine with a bevel cutting function, which includes two rail units that can move in a first and a second direction, and can adjust the inclination of the two rail units at the same time. Angle pivot combination (including pivot unit and pivot unit). Therefore, in addition to controlling the known first and second directions, the embodiment of the present invention can also control the tilt angle at the same time to quickly cut the metal component (hereinafter referred to as the processed part) into a bevel, and the cutting of the bevel The depth can be deeper than in the past.

Specifically, the embodiment of the present invention develops an underwater cutting machine with a bevel cutting function, which includes a fixed module, a dual-axis control module, and a cutting module. The above-mentioned fixed module includes a bracket unit, a clamping unit and a hinge unit. Wherein, the above-mentioned bracket unit is arranged on the fixed module to provide an operating distance; the above-mentioned clamping unit is arranged on one end of the bracket unit to clamp a workpiece; and the above-mentioned hinge unit is arranged on the other side of the bracket unit. One end. The above-mentioned dual-axis control module includes a pivot unit, a first rail unit, a second rail unit, a first hydraulic motor, and a second hydraulic motor. Wherein, the pivot unit is pivotally connected to the pivot unit; the first rail unit is disposed on the pivot unit; the second rail unit is movably coupled to the first rail unit; the first hydraulic motor is disposed on The first rail unit; and the second hydraulic motor is provided on the second rail unit, wherein the second rail unit is moved in the first direction and the second direction through the first hydraulic motor and the second hydraulic motor, respectively, And the first direction and the second direction are perpendicular to each other. The above-mentioned cutting module is arranged at one end of the second rail unit and adjacent to the clamping unit to cut the processed parts.

According to an embodiment, the above-mentioned dual-axis control module includes a transfer unit. The transfer unit is movably coupled to the first rail unit and the second rail unit, so that the second rail unit moves in the first direction and the second direction, respectively.

According to another embodiment, the transfer unit includes a first slot group and a second slot group. The above-mentioned first slot group is arranged on one side of the transfer unit and movably coupled to the first rail unit, so that the second rail unit can move along the first direction. The second slot group is arranged on the other side of the transfer unit and movably coupled to the second rail unit, so that the second rail unit moves in the second direction.

According to yet another embodiment, wherein the above-mentioned first rail unit includes a first sliding rail. The first slide rail is movably coupled to the first slot group, so that the second rail unit moves along the first direction.

According to yet another embodiment, the above-mentioned second rail unit includes a second slide rail. The second slide rail is movably coupled to the second slot group, so that the second rail unit moves in the second direction.

According to another embodiment, the above-mentioned underwater cutting machine further includes a light source module. The above-mentioned light source module is arranged adjacent to the cutting module to emit auxiliary light toward the processed part.

According to another embodiment, the above-mentioned light source module is arranged on the second track unit to emit auxiliary light toward the processed part.

According to another embodiment, the above-mentioned auxiliary light is laser light.

According to another embodiment, the above-mentioned cutting module is a circular saw blade, a water jet or any combination thereof.

Based on the technical features of the above embodiments, the following effects can be specifically claimed:

(1) Since the underwater cutting machine of an embodiment of the present invention includes a first rail unit and a second rail unit that can move relative to each other in a mutually perpendicular direction, the cutting depth can be greatly deepened, and is no longer limited to the conventional The cutting machine itself is designed.

(2) Since the underwater cutting machine of an embodiment of the present invention includes a first rail unit and a second rail unit pivotally connected with an approximately L-shaped bracket unit, the inclination angle of the cutting module can be controlled at the same time, thereby cutting and customizing Know the different inclined surfaces, and can save the conventional complicated procedures that need to adjust the clamping angle and direction according to the workpiece.

(3) Since the underwater cutting machine of an embodiment of the present invention further includes auxiliary light, it can provide the operator with the assistance of the auxiliary light and its auxiliary line when cutting, making it easier and more precise to cut out the desired The cutting angle, depth and shape greatly reduce the number of cuts originally required.

In view of the above-mentioned problems to be overcome, an embodiment of the present invention has developed an underwater cutting machine with a bevel cutting function, which is provided with first and second rail modules that can move relative to each other in a first direction and a second direction, respectively. , And has a hinge and a hinge unit that are pivotally connected to the first and second rail modules. Therefore, the embodiment of the present invention can also control the first and second track modules at the same time and tilt the plane formed by the first direction and the second direction to an inclination angle to form an inclined surface. In this way, the embodiment of the present invention can cut the processed part through various required inclination angles at one time, so the processing time required for disassembling the processed part can be greatly shortened.

In order to explain the embodiments of the present invention more clearly, the following descriptions are supplemented with drawings.

Please refer to FIGS. 1A-1C. FIG. 1A depicts a side view of a first three-dimensional structure of an underwater cutting machine according to an embodiment of the present invention; FIG. 1B depicts an underwater cutting according to an embodiment of the present invention Side view of the second three-dimensional structure of the machine; and FIG. 1C is an exploded view of the three-dimensional structure of an underwater cutting machine according to an embodiment of the present invention. It is recommended to use FIG. 1C as the main reference diagram, and supplemented with the side views of the structure in different viewing angles in FIGS. In FIG. 1C, according to an embodiment of the present invention, an underwater cutting machine 100 with a bevel cutting function is provided, which includes a fixed module 110, a dual-axis control module 120 and a cutting module 130.

The above-mentioned fixing module 110 is further described as follows. The above-mentioned fixed module 110 includes a bracket unit 113, a clamping unit 111, and a hinge unit 114; the material of the above-mentioned bracket unit 113, clamping unit 111, and hinge unit 114 can be mostly stainless steel for long-term execution in an underwater environment Cutting operation. In terms of structure, the above-mentioned bracket unit 113 is arranged on the fixed module 110 and can provide an appropriate operating distance. For example, the support unit 113 is an approximately L-shaped fixed support frame and is fixedly arranged on the fixed module 110 so that it cannot move relative to the fixed module 110 during the cutting process. Wherein, the bending position of the above-mentioned L-shaped fixed support frame is not limited to a vertical angle of 90 degrees, but may be any bending angle that can provide the above-mentioned operating distance. The clamping unit 111 is arranged at one end of the bracket unit 113, and the clamping unit 111 can be designed as a groove for accommodating and clamping the workpiece; or according to an embodiment, it can be used as the aforementioned recess of the clamping unit 111. The thickness and depth of the groove can be adjusted according to the workpiece to be accommodated and clamped, so that the workpiece can be clamped appropriately and firmly. The above-mentioned hinge unit 114 may be arranged at the other end of the bracket unit 113 so as to be separated from the clamping unit 111 by the above-mentioned operating distance. In addition, according to an embodiment, the fixing module 110 further includes an air pump. The air pump is disposed adjacent to the clamping unit 111 to drive, for example, a hydraulic cylinder 112 disposed adjacent to the clamping unit 111 to secure Ground clamping of the workpiece; thereby, the vibration between the workpiece and the underwater cutting machine generated during the cutting process can be reduced, which may make the cutting position inaccurate or cause damage to the underwater cutting machine.

Regarding the above-mentioned dual-axis control module 120, further description is as follows. The aforementioned dual-axis control module 120 includes a pivot unit 121, a first rail unit 122, a second rail unit 128, a first hydraulic motor 124a, and a second hydraulic motor 124b. The above-mentioned pivot unit 121 is rotatably pivoted to the pivot unit 114, wherein the pivot unit 121 can control the relationship between the pivot unit 114 and the pivot unit 121 through, for example, a hydraulic motor disposed adjacent to the pivot unit 114 or the pivot unit 121 The pivotal connection between them drives the entire dual-axis control module 120 and the cutting module 130 to a specific tilt angle by rotation. The above-mentioned hydraulic motor is blocked in the underwater environment through a waterproof sealing element or O ring. The gears and power components inside the hydraulic motor contact the external water environment and cause the problem of rust. The underwater pressure is below 0.3 MPa, and normal operation can be maintained without being affected.

The above-mentioned first rail unit 122 can be arranged on the pivot unit 121 along the first direction. The above-mentioned second rail unit 128 is coupled to the first rail unit 122 movably along the second direction. It should be noted that the above-mentioned first direction and the second direction may be approximately 90 degrees and perpendicular to each other.

The above-mentioned first hydraulic motor 124a also uses waterproof sealing elements or O-rings to prevent the underwater environment from contacting the gears and power components inside the first hydraulic motor 124a, which causes rust problems. Therefore, the upper limit of the underwater depth is about Under the pressure of 0.3 MPa, normal operation can be maintained without being affected. For example, if the above-mentioned first hydraulic motor 124a is used as the power source for driving the second rail unit 128, the second rail unit 128 can be driven to move in the first direction.

Furthermore, in response to the fact that the workpiece that is wider in the first direction (width) should be cut at a lower inching speed, according to an embodiment, the first hydraulic motor 124a further includes a first speed reduction mechanism, Through the above-mentioned first reduction mechanism, the original inching speed can be reduced to a slower first direction inching speed with a reduction ratio of 1250:1, for example, the maximum moving speed is 118 mm/min.

The above-mentioned second hydraulic motor 124b also uses waterproof sealing elements or O-rings to prevent the underwater environment from contacting the gears and power components inside the second hydraulic motor 124b, causing the problem of rust. Therefore, the upper limit of the underwater depth is Under pressure of about 0.3 MPa, normal operation can be maintained without being affected. For example, if the above-mentioned second hydraulic motor 124b is used as the power source for driving the second rail unit 128, the second rail unit 128 can be driven to move in the second direction.

Furthermore, in order to cut the thicker workpiece in the second direction (thickness) at a lower inching speed in practice, according to an embodiment, the second hydraulic motor 124b further includes a second speed reduction mechanism, Through the above-mentioned second speed reduction mechanism, the original inching speed can be reduced to a slower second direction inching speed with a reduction ratio of 1250:1, for example, the maximum moving speed is 118 mm/min.

According to an embodiment, the aforementioned dual-axis control module 120 further includes a transfer unit 125. The transfer unit 125 is movably coupled to the first rail unit 122 and the second rail unit 128, respectively, so that the second rail unit 128 can move in the first direction and the second direction, respectively.

According to another embodiment, the transfer unit 125 includes a first slot group 126 and a second slot group 127. The above-mentioned first slot group 126 is arranged on one side of the transfer unit 125, and is the side of the transfer unit 125 closer to the first rail unit 122; in addition, the first slot group 126 of the transfer unit 125 is It is movably coupled to the first rail unit 122 so that the second rail unit 128 can move along the first direction provided by the first slot group 126. The second slot group 127 is arranged on the other side of the transfer unit 125, and is the other side of the transfer unit 125 closer to the second rail unit 128; in addition, the second slot of the transfer unit 125 The group 127 is movably coupled to the second rail unit 128 so that the second rail unit 128 can move along the second direction provided by the second slot group 127. In other words, through the arrangement of the first slot group 126 and the second slot group 127, the cutting of the second rail unit 128 in the first direction (for example, the width direction) and the second direction (for example, the depth direction) can be simultaneously controlled. quantity.

According to another embodiment, the first rail unit 122 includes a first sliding rail 123, and the first sliding rail 123 is movably coupled to the first slot group 126. For example, the first sliding rail 123 can be arranged on both sides of the first rail unit 122 along the first direction, and the first slot group 126 of the transfer unit 125 is movably arranged relative to the first sliding rail 123, thereby, The second track unit 128 on the transfer unit 125 can move along the first direction.

According to another embodiment, the second rail unit 128 includes a second slide rail 129, and the second slide rail 129 is movably coupled to the second slot group 127. For example, the second slide rail 129 can be arranged on both sides of the second rail unit 128 along the second direction, and the second slot group 127 of the transfer unit 125 is movably provided relative to the second slide rail 129, thereby, The second track unit 128 on the transfer unit 125 can move in the second direction.

The above-mentioned cutting module 130 is further described as follows. The above-mentioned cutting module 130 is adjacent to one side of the clamping unit 111 and is arranged on one end of the second rail unit 128, so that it can be cut according to the inching momentum of the first direction, the second direction and the inclination angle, respectively. Arbitrarily cut out the shape you want to cut. According to an embodiment, the cutting module 130 may be a circular saw blade, a water jet, or any combination thereof. The cutting surface of the above-mentioned circular saw blade, water jet or any combination thereof, for example, can be arranged on a parallel surface formed by the first direction and the second direction, and the material of the circular saw blade can be, for example, stainless steel.

[ Inclination angle of cutting surface ]

Please refer to FIGS. 1A and 2A-2B. FIG. 2A is a schematic diagram of an inclination angle of an underwater cutting machine according to an embodiment of the present invention; and FIG. 2B is a schematic diagram of an underwater cutting machine according to an embodiment of the present invention. Schematic diagram of another inclination angle of the cutting machine. Here, FIGS. 1A and 2A-2B are used to exemplarily illustrate the cutting modules 130 with different inclination angles. The control method of the different inclination angles is as described above, and will not be repeated here. Taking FIG. 1A as an example, in FIG. 1A, the cutting surface of the cutting module 130 is almost parallel to the fixed module 110, and the angle is about 0 degrees. Take FIG. 2A as an example. In FIG. 2A, the cutting surface of the cutting module 130 and the fixing module 110 form an inclination of about 30 degrees. Taking FIG. 2B as an example, in FIG. 2B, the cutting surface of the cutting module 130 is almost perpendicular to the fixed module 110, and the angle is about 90 degrees. Wherein, the above-mentioned inclination angle can be any angle from 0 to 360 degrees, and is not particularly limited.

[ Auxiliary cutting ]

Please refer to FIG. 3, which is a schematic diagram of cutting of an underwater cutting machine according to an embodiment of the present invention. In FIG. 3, according to another embodiment, the underwater cutting machine 100 further includes a light source module 140. The above-mentioned light source module 140 may be a laser light, for example, and may allow the laser light to pass through different optical components to adjust its optical parameters according to the refractive index of water, such as the refraction or penetration wavelength of the laser light. Therefore, the above-mentioned light source module 140 can also emit multiple auxiliary lights 141 and 142 with high brightness, small divergence, and linear traveling toward the workpiece 200 in a cutting environment where the medium is water. Wherein, the above-mentioned light source module 140 may be arranged adjacent to the cutting module 130, for example, arranged on the second rail unit 128, and the light source module 140 is directed toward the processed part 200 to emit auxiliary light that can be projected on the processed part 200 141, 142, and further through the light spots formed on the workpiece 200 by connecting multiple auxiliary lights 141, 142 to form a cutting auxiliary line. Thereby, even in an underwater environment where the refractive index is completely different from that of the atmospheric environment, the operator can still use the cutting auxiliary line formed by the light spots of the multiple auxiliary lights 141, 142 on the workpiece 200. Easily and accurately cut the workpiece 200, which greatly improves the accuracy of processing. Since the disassembled parts after cutting need to be placed in a container of a specific shape and size that can prevent radiation penetration, such high cutting accuracy will prevent the dismantled parts after being cut from being too large due to their size. It cannot be put into the above-mentioned container, resulting in the need for multiple and complicated processing. That is to say, the above arrangement of the light source module 140 can effectively improve the cutting accuracy, and can avoid the situation that the ideal shape and size can be cut through multiple and complicated processing in the past. Therefore, the embodiment of the present invention is indeed Therefore, it can save unnecessary cutting cost and time.

In summary, the embodiment of the present invention is provided with a hydraulic pump, a dual-axis control module that can simultaneously control dual-axis (first direction and second direction), and a pivot unit that can adjust the tilt angle of the dual-axis control module And the pivot unit, in addition to the depth and width of the adjustable variable can be deeper and larger than before, but also can be cut with the inclined plane at the same time, and can cut the inclined surface. Accordingly, the embodiment of the present invention does provide an underwater cutting machine with a bevel cutting function, and can quickly pass through the inclination angles of various cutting surfaces without having to adjust the clamping angle or position of the metal components. For cutting, the metal components can be effectively and accurately disassembled into appropriate shapes and sizes, which greatly reduces the labor cost and time required for cutting.

The present invention is only disclosed in the preferred embodiments herein. However, anyone familiar with the technical field should understand that the above-mentioned embodiments are only used to describe the present invention and are not used to limit the scope of the patent rights claimed by the present invention. Any changes or substitutions equivalent or equivalent to the above-mentioned embodiments should be construed as being covered by the spirit or scope of the present invention. Therefore, the protection scope of the present invention shall be defined by the following patent application scope.

100: Underwater cutting machine with bevel cutting function 110: Fixed module 111: Clamping unit 112: Hydraulic cylinder 113: Bracket unit 114: Hub unit 120: Dual-axis control module 121: pivot unit 122: The first track unit 123: The first slide 124a: The first hydraulic motor 124b: Second hydraulic motor 125: transfer unit 126: The first card slot group 127: The second card slot group 128: second track unit 129: second slide 130: cutting module 140: light source module 141: Auxiliary Light 142: Auxiliary Light 200: Machining parts

In order to make the above and other objectives, features, advantages and embodiments of the present invention more comprehensible, the description of the attached drawings is as follows: FIG. 1A is a side view of a first three-dimensional structure of an underwater cutting machine according to an embodiment of the present invention. FIG. 1B depicts a side view of a second three-dimensional structure of an underwater cutting machine according to an embodiment of the present invention. FIG. 1C is an exploded view of a three-dimensional structure of an underwater cutting machine according to an embodiment of the present invention. FIG. 2A is a schematic diagram of an oblique angle of an underwater cutting machine according to an embodiment of the present invention. FIG. 2B is a schematic diagram of another oblique angle of an underwater cutting machine according to an embodiment of the present invention. Fig. 3 is a schematic diagram of cutting of an underwater cutting machine according to an embodiment of the present invention.

100: Underwater cutting machine with bevel cutting function

110: Fixed module

111: Clamping unit

112: Hydraulic cylinder

113: Bracket unit

114: Hub unit

120: Dual-axis control module

121: pivot unit

122: The first track unit

123: The first slide

124a: The first hydraulic motor

124b: Second hydraulic motor

125: transfer unit

126: The first card slot group

127: The second card slot group

128: second track unit

129: second slide

130: cutting module

Claims (9)

An underwater cutting machine with bevel cutting function, including: A fixed module, including: A bracket unit is arranged on the fixed module to provide an operating distance; A clamping unit arranged at one end of the support unit to clamp a processed part; and A hinge unit is arranged at the other end of the bracket unit; A dual-axis control module, including: A pivot unit, which is pivotally connected to the pivot unit; A first track unit arranged on the pivot unit; A second rail unit, movably coupled to the first rail unit; A first hydraulic motor arranged on the first rail unit; and A second hydraulic motor is arranged on the second rail unit, wherein the second rail unit moves in a first direction and a second direction through the first hydraulic motor and the second hydraulic motor, and the first The direction and the second direction are perpendicular to each other; and A cutting module is arranged at one end of the second rail unit and adjacent to the clamping unit side to cut the processed part. The underwater cutting machine according to claim 1, wherein the dual-axis control module further includes: A transfer unit is movably coupled to the first rail unit and the second rail unit, so that the second rail unit moves in the first direction and the second direction, respectively. The underwater cutting machine according to claim 2, wherein the transfer unit includes: A first slot group, arranged on one side of the transfer unit, movably coupled to the first rail unit, so that the second rail unit moves along the first direction; and A second slot group is arranged on the other side of the transfer unit, and is movably coupled to the second rail unit, so that the second rail unit moves along the second direction. The underwater cutting machine described in claim 3, wherein: The first rail unit includes a first slide rail, and the first slide rail is movably coupled to the first slot group, so that the second rail unit moves along the first direction. The underwater cutting machine described in claim 4, wherein: The second rail unit includes a second slide rail, which is movably coupled to the second slot group, so that the second rail unit moves along the second direction. The underwater cutting machine according to any one of claims 1-5, further comprising a light source module, which is arranged adjacent to the cutting module to emit an auxiliary light toward the workpiece. The underwater cutting machine according to claim 6, wherein the light source module is arranged on the second rail unit to emit the auxiliary light toward the workpiece. The underwater cutting machine according to claim 6, wherein the auxiliary light is a laser light. The underwater cutting machine according to any one of claims 1-5, wherein the cutting module is a circular saw blade, a water jet or any combination thereof.

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