CN113664263A - Large-scale surface of revolution self-leveling processing equipment - Google Patents
Large-scale surface of revolution self-leveling processing equipment Download PDFInfo
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- CN113664263A CN113664263A CN202111122650.XA CN202111122650A CN113664263A CN 113664263 A CN113664263 A CN 113664263A CN 202111122650 A CN202111122650 A CN 202111122650A CN 113664263 A CN113664263 A CN 113664263A
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- laser
- revolution
- frame arm
- leveling processing
- scale surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/02—Milling surfaces of revolution
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/20—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness
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- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention provides large-scale plane of revolution self-leveling processing equipment, which comprises a rotary center base, a rotary center shaft, a machine frame arm, a driving part, a milling part, a laser emitting part and a laser receiving part. The rotary center base is used for being fixed at the center of a round workpiece to be milled; the bottom end of the rotary central shaft is connected to the rotary central base; the first end of the frame arm is rotatably connected with the upper end of the rotary central shaft; the upper end of the driving part is connected with the lower end of the second end of the frame arm; the milling part is connected to the lower end of the second end of the frame arm; the laser emitting part comprises a laser emitter and an emitter support frame; the laser receiving part comprises a laser receiver and an analyzer, a laser receiving plate is arranged on the laser receiver, and the laser receiving plate is used for receiving laser projected by the laser emitting head. The device can measure the flatness of the surface of a workpiece through the laser device in the milling process, so that the feed depth of the milling part is more accurately adjusted, and the processing precision of the workpiece to be milled is effectively improved.
Description
Technical Field
The invention relates to the technical field of port machinery manufacturing, in particular to large-scale rotary surface self-leveling processing equipment.
Background
The manufacture and processing of large-scale rotary surface is the key process of full-rotation floating crane and pipe-laying ship, and no related professional equipment is available at present in China due to large size of components and high requirement on precision.
The current rotary machining equipment has limited machining capacity, cannot meet the machining requirements of large marine products, cannot adjust the level, needs to be provided with a horizontal support on a machined component for supporting a travelling wheel and ensuring the level of a frame arm, needs to be externally provided with a set of drive, pulls the machining equipment to rotate, and is easy to cause tool shaking, low in machining speed, low in machining precision and the like.
Disclosure of Invention
In view of this, the invention provides a large-scale machining device with a self-leveling rotary surface, which can measure the flatness of the surface of a workpiece through a laser device in the milling process, so that the depth of feed of a milling part can be adjusted more accurately, and the machining precision of the workpiece to be milled is effectively improved.
In order to solve the technical problems, the invention adopts the following technical scheme:
the large-scale surface of revolution self-leveling processing equipment of the embodiment of the invention comprises:
the rotary center base is used for being fixed at the center of a round workpiece to be milled;
the bottom end of the rotary central shaft is connected to the rotary central base;
a frame arm, a first end of the frame arm being rotatably connected to an upper end of the swivel center shaft;
the upper end of the driving part is connected with the lower end of the second end of the frame arm, the lower end of the driving part is provided with a driving wheel, and the driving wheel is arranged on the upper surface of the workpiece to be milled;
a milling portion connected to a lower end of the second end of the frame arm;
the laser cutting device comprises a laser emitting part and a cutting tool, wherein the laser emitting part comprises a laser emitter and an emitter support frame, the emitter support frame is used for being connected to a to-be-milled part, the laser emitter is connected to the upper end of the emitter support frame, and a rotatable laser emitting head is arranged on the laser emitter;
the laser receiving part comprises a laser receiver and an analyzer, the laser receiver is fixed at the upper end of the second end of the frame arm, a laser receiving plate is arranged on the laser receiver and used for receiving laser projected by a laser emitting head, and the analyzer is connected with the laser receiver and used for analyzing the movement track of the laser on the laser receiving plate.
Further, still include the laser protection tube, the one end setting of laser protection tube is in laser emission head department, and the other end setting is in laser receiver plate department.
Furthermore, the rotary central shaft is formed into a hollow shape, the position of the rotary central base connected with the rotary central shaft is formed into a hollow shape, and the lower end of the emitter support frame penetrates through the rotary central shaft and the inside of the rotary central base and is connected to the piece to be milled.
Further, the two driving parts are respectively connected to two sides of the milling part.
Furthermore, the laser receivers and the laser emitting heads both comprise two laser receivers, and the two laser receivers are respectively connected to two sides of the upper end of the second end of the frame arm and respectively receive the laser emitted by the two laser emitting heads.
Further, an expansion part is arranged at the upper end of the driving part, and the driving part is connected to the second end of the frame arm through the expansion part.
Furthermore, the rotation center base is formed into a cross shape, four end parts of the rotation center base are respectively provided with an adjusting part, and the adjusting parts are used for adjusting the height of the end parts of the rotation center base.
Further, the adjusting portion includes a screw hole formed at the end portion and a bolt fitted in the screw hole, and a lower end of the bolt protrudes out of the screw hole and is formed with a chassis.
Furthermore, the rack arm comprises a plurality of connecting arms, and the head and the tail of the connecting arms are connected together in a grounding mode.
Further, the afterbody of linking arm is equipped with a plurality of first installation departments of interval arrangement from top to bottom, the linking arm the head is equipped with the cooperation the second installation department of first installation department.
The technical scheme of the invention at least has one of the following beneficial effects:
the large-scale rotary surface self-leveling processing equipment provided by the embodiment of the invention can measure the flatness of the surface of a workpiece through laser equipment in the milling process, so that the feed depth of a milling part is more accurately adjusted, and the processing precision of the workpiece to be milled is effectively improved.
Drawings
FIG. 1 is a side view of a large turn-surface self-leveling machining apparatus according to an embodiment of the present invention;
fig. 2 is a top view of a large-scale surface of revolution self-leveling processing apparatus according to an embodiment of the present invention.
Reference numerals: 1. a rotation center base; 2. a central axis of rotation; 3. a frame arm; 4. a drive section; 5. a milling section; 6. a workpiece to be milled; 7. a laser transmitter; 8. a transmitter support frame; 9. a laser receiver; 10. a laser protection tube; 11. an adjustment section; 12. a connecting arm.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
The following describes a large-scale surface of revolution self-leveling machining apparatus according to an embodiment of the present invention with reference to the accompanying drawings.
As shown in fig. 1, the large-scale surface of revolution self-leveling processing apparatus according to the embodiment of the present invention includes a revolution center base 1, a revolution center shaft 2, a frame arm 3, a driving portion 4, a milling portion 5, a laser emitting portion, and a laser receiving portion. The rotary center base 1 is used for being fixed at the center of a round workpiece 6 to be milled; the bottom end of the rotary central shaft 2 is connected to the rotary central base 1; the first end of the frame arm 3 is rotatably connected to the upper end of the rotary central shaft 2; the upper end of the driving part 4 is connected with the lower end of the second end of the frame arm 3, the lower end of the driving part 4 is provided with a driving wheel, and the driving wheel is arranged on the upper surface of a workpiece 6 to be milled; the milling part 5 is connected to the lower end of the second end of the frame arm 3; the laser emitting part comprises a laser emitter 7 and an emitter support frame 8, the emitter support frame 8 is used for being connected to a piece to be milled, the laser emitter 7 is connected to the upper end of the emitter support frame 8, and a rotatable laser emitting head is arranged on the laser emitter 7; the laser receiving part comprises a laser receiver 9 and an analyzer, the laser receiver 9 is fixed at the upper end of the second end of the frame arm 3, a laser receiving plate is arranged on the laser receiver 9 and used for receiving laser projected by the laser emitting head, and the analyzer is connected with the laser receiver 9 and used for analyzing the movement track of the laser on the laser receiving plate.
The processing size of the marine product is large, the processing diameter is usually 28-43m, the processing precision of the flatness is less than 3mm, and the high precision is difficult to achieve by the common measuring method. The invention therefore addresses this problem by designing a laser device comprising a laser transmitter 7 and a laser receiver 9. The following describes the installation process, adjustment process and machining process of the large-scale revolving surface self-leveling machining equipment with the laser equipment added.
The installation process of the large-scale revolution surface self-leveling processing equipment comprises the following steps:
1) after the early preparation work is done, the rotary center base 1 is installed firstly, and the center of the rotary center base 1 is ensured to be overlapped with the center of the component.
2) The rotation center shaft 2 is arranged at the center of the rotation center base 1, the levelness is adjusted, and the rotation center shaft 2 is adjusted through an auxiliary support to be superposed with the center of a workpiece 6 to be milled.
3) One end of the assembled frame arm 3 is connected to the rotary central shaft 2, the other end of the assembled frame arm is placed on an auxiliary support, and the frame arm 3 is adjusted to be in a roughly horizontal state through the auxiliary support.
4) The drive part 4 and the milling part 5 are mounted in suitable positions at the other end of the frame arm 3 according to the milling width.
5) The lower end of an emitter support frame 8 is arranged at the center of a workpiece 6 to be milled, the upper end of the emitter support frame is basically coincided with the center of the workpiece to be milled, then a laser emitter 7 is arranged at the upper end of the emitter support frame 8 and is adjusted to be in a horizontal state through an auxiliary support, the center of a laser emitting head is coincided with the center of the workpiece to be milled, and finally a laser receiver 9 is arranged at the position, close to a driving part 4, of a frame arm 3.
6) Other equipment such as an electric box, a control box, a hydraulic station and the like is installed at a designated position, and lines and pipelines are connected as required.
The adjusting process of the large-scale revolution surface self-leveling processing equipment comprises the following steps:
1) the auxiliary support below the frame arm 3 is taken away, a level gauge is placed on the milling part 5, and the other end of the frame arm 3 and the milling part 5 are adjusted to be in a horizontal state through measurement data.
2) After the milling part 5 is horizontally adjusted, the position and the angle of the laser receiver 9 are manually adjusted to be in an ideal receiving state.
The operation process of the large-scale revolution surface self-leveling processing equipment comprises the following steps:
1) the position of the milling part 5 is checked to ensure that the milling part 5 does not touch the workpiece 6 to be milled and other objects during idle travel.
2) The driving part 4 is started to walk for one circle, the laser transmitter 7 rotates along with the laser receiver 9 at the same angular speed in a manual state so as to project laser on the laser receiving plate, when the driving part 4 walks on the workpiece 6 to be milled, the laser receiver 9 is driven to undulate due to the unevenness of the surface, and the position of the laser on the laser receiving plate is correspondingly changed; after walking for one circle, the analyzer calculates the flatness of the surface of the workpiece 6 to be milled according to the motion track of the detection laser on the laser receiving plate, so as to determine the feed amount of the milling part 5.
3) And (3) walking the equipment to the highest point position of the workpiece 6 to be milled according to the calculation result of the analyzer, manually adjusting the milling part 5 slowly downwards, and setting the point as a zero position after the milling part 5 touches the workpiece 6 to be milled.
4) According to the milling requirement, the milling part 5 is adjusted to a proper cutting depth, and then the driving part 4 and the laser emitting part are adjusted to an automatic operation state to mill.
5) After one circle is finished, the walking driving mechanism is paused, the milling part 5 is moved to the next preset position, then the milling is continued, and the step is repeated until the milling is carried out to the required depth.
The large-scale rotary surface self-leveling processing equipment can measure the flatness of the surface of a workpiece to be milled through laser equipment in the milling process, so that the feed depth of the milling part 5 is more accurately adjusted, and the processing precision of the workpiece 6 to be milled is effectively improved.
Further, as shown in fig. 1, a laser protection tube 10 is further included, and one end of the laser protection tube 10 is disposed at the laser emitting head and the other end is disposed at the laser receiving plate.
Because the processing environment is severe, some shielding objects may appear in the laser projection process, which affects the projection quality of the laser, thereby affecting the analysis result. Aiming at the problem, the equipment is additionally provided with the laser protection tube 10, the laser emitted by the laser emitter 7 irradiates the laser receiving plate through the laser protection tube 10, and the whole path is not influenced by the outside, so that the accuracy of an analysis result is ensured.
Further, the rotation center shaft 2 is formed in a hollow shape, the position of the rotation center base 1 connected with the rotation center shaft 2 is formed in a hollow shape, and the lower end of the emitter support frame 8 penetrates through the rotation center shaft 2 and the inside of the rotation center base 1 and is connected to the workpiece to be milled.
During the milling process, the rotation center of the laser and the center of the workpiece 6 to be milled are coincided as much as possible, and the levelness of the laser is not influenced by the movement of the frame arm 3. To meet this requirement, the apparatus is designed to have a hollow shape of the rotation center shaft 2, and to mount the emitter support frame 8 to the center position of the workpiece 6 to be milled through the hollow portion so that the emitter support frame 8 does not contact the rotation center shaft 2. The structure not only ensures the coincidence of the centers of the two, but also ensures that the emitter support frame 8 is not influenced by the movement of the rotary central shaft 2 and the rack arm 3.
Further, the two driving portions 4 are included, and the two driving portions 4 are respectively connected to two sides of the milling portion 5.
The two sides of the milling part 5 are respectively provided with the driving part 4, so that the stability of the frame arm 3 during rotation can be improved, and the processing precision of a workpiece to be milled is improved.
Further, as shown in fig. 2, the laser receivers 9 and the laser emitting heads both include two laser receivers 9, and the two laser receivers 9 are respectively connected to two sides of the upper end of the second end of the frame arm 3 and respectively receive the laser beams emitted by the two laser emitting heads.
Since the two driving units 4 do not have the same rolling motion during walking, two laser receivers 9 are installed near the two driving units 4 to monitor the rolling condition of the two driving units 4, so that the accuracy of measurement can be increased.
Further, an extendable portion is provided at an upper end of the driving portion 4, and the driving portion 4 is connected to a second end of the frame arm 3 via the extendable portion.
The driving part 4 adjusts the position of the frame arm 3 through a telescopic part which can be adjusted up and down, so that the flexibility of the equipment is enhanced, the use of auxiliary supports is reduced, and the production efficiency is improved.
Further, as shown in fig. 2, the rotation center base 1 is formed in a cross shape, and the four end portions of the rotation center base 1 are each provided with an adjusting portion 11, and the adjusting portions 11 are used for adjusting the height of the end portions of the rotation center base 1.
The levelness of the base 1 of the centre of rotation directly affects the levelness of the arm 3 of the frame, therefore, the equipment adopts a simple and stable cross-shaped structure, and the four end parts are provided with the adjusting parts 11 with adjustable height for adjusting the levelness of the base 1 of the centre of rotation.
Further, the adjusting portion 11 includes a screw hole formed at an end portion and a bolt fitted in the screw hole, a lower end of the bolt protrudes out of the screw hole and is formed with a chassis.
When the rotation center base 1 is installed, the height of each end part can be adjusted only by rotating the bolt, and the mechanism is simple and convenient to operate.
Further, as shown in fig. 1, the frame arm 3 includes a plurality of connecting arms 12, and the plurality of connecting arms 12 are connected together end to end.
The frame arm 3 is composed of a plurality of connecting arms 12, so the length of the frame arm 3 can be adjusted by increasing or decreasing the connecting arms 12, and the flexibility of the equipment is increased.
Furthermore, the tail part of the connecting arm 12 is provided with a plurality of first mounting parts arranged at intervals up and down, and the head part of the connecting arm 12 is provided with a second mounting part matched with the first mounting parts.
During the mounting of the connecting arm 12, the second mounting portion can be mounted to a suitable first mounting portion, thereby meeting the height requirements of the frame arm 3.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A large-scale surface of revolution self-leveling processing equipment is characterized by comprising:
the rotary center base is used for being fixed at the center of a round workpiece to be milled;
the bottom end of the rotary central shaft is connected to the rotary central base;
a frame arm, a first end of the frame arm being rotatably connected to an upper end of the swivel center shaft;
the upper end of the driving part is connected with the lower end of the second end of the frame arm, the lower end of the driving part is provided with a driving wheel, and the driving wheel is arranged on the upper surface of the workpiece to be milled;
a milling portion connected to a lower end of the second end of the frame arm;
the laser cutting device comprises a laser emitting part and a cutting tool, wherein the laser emitting part comprises a laser emitter and an emitter support frame, the emitter support frame is used for being connected to a to-be-milled part, the laser emitter is connected to the upper end of the emitter support frame, and a rotatable laser emitting head is arranged on the laser emitter;
the laser receiving part comprises a laser receiver and an analyzer, the laser receiver is fixed at the upper end of the second end of the frame arm, a laser receiving plate is arranged on the laser receiver and used for receiving laser projected by a laser emitting head, and the analyzer is connected with the laser receiver and used for analyzing the movement track of the laser on the laser receiving plate.
2. The large-scale surface of revolution self-leveling processing equipment according to claim 1, further comprising a laser protection tube, wherein one end of the laser protection tube is disposed at the laser emitting head, and the other end is disposed at the laser receiving plate.
3. The large-scale surface of revolution self-leveling processing equipment as claimed in claim 1, wherein the center axis of revolution is formed in a hollow shape, the position of the base of revolution connected with the center axis of revolution is formed in a hollow shape, and the lower end of the emitter support frame passes through the center axis of revolution and the inside of the base of revolution and is connected to the member to be milled.
4. The large-scale surface of revolution self-leveling processing equipment according to claim 1, wherein the number of the driving parts is two, and the two driving parts are respectively connected to two sides of the milling part.
5. The large-scale surface of revolution self-leveling processing equipment according to claim 4, wherein the number of the laser receivers and the number of the laser transmitters are two, and the two laser receivers are respectively connected to two sides of the upper end of the second end of the frame arm and respectively receive the laser beams emitted by the two laser transmitters.
6. The large-scale surface of revolution self-leveling processing equipment according to claim 1, wherein an expansion part is provided at an upper end of the driving part, and the driving part is connected to the second end of the frame arm through the expansion part.
7. The large-scale surface of revolution self-leveling processing apparatus according to claim 1, wherein the center of revolution base is formed in a cross shape, four end portions of the center of revolution base are each provided with an adjusting portion for adjusting a height of the end portion of the center of revolution base.
8. The large-scale surface of revolution self-leveling processing apparatus according to claim 7, wherein the adjusting portion includes a screw hole formed in the end portion and a bolt fitted in the screw hole, a lower end of the bolt protrudes out of the screw hole and is formed with a chassis.
9. The large-scale surface of revolution self-leveling processing equipment according to claim 1, wherein the frame arm comprises a plurality of connecting arms, and the plurality of connecting arms are connected together end to end in a grounding manner.
10. The large-scale surface of revolution self-leveling processing apparatus according to claim 9, wherein the tail portion of the connecting arm is provided with a plurality of first mounting portions arranged at intervals up and down, and the head portion of the connecting arm is provided with a second mounting portion engaged with the first mounting portions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111122650.XA CN113664263A (en) | 2021-09-24 | 2021-09-24 | Large-scale surface of revolution self-leveling processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111122650.XA CN113664263A (en) | 2021-09-24 | 2021-09-24 | Large-scale surface of revolution self-leveling processing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113664263A true CN113664263A (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111122650.XA Pending CN113664263A (en) | 2021-09-24 | 2021-09-24 | Large-scale surface of revolution self-leveling processing equipment |
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| Country | Link |
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| CN (1) | CN113664263A (en) |
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2021
- 2021-09-24 CN CN202111122650.XA patent/CN113664263A/en active Pending
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