CN107150230B - Manufacturing device of ultra-large ultra-precise cylinder rotary rack - Google Patents
Manufacturing device of ultra-large ultra-precise cylinder rotary rack Download PDFInfo
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- CN107150230B CN107150230B CN201710569765.0A CN201710569765A CN107150230B CN 107150230 B CN107150230 B CN 107150230B CN 201710569765 A CN201710569765 A CN 201710569765A CN 107150230 B CN107150230 B CN 107150230B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The invention provides a manufacturing device of an ultra-large ultra-precise cylinder rotary rack, which comprises: a base provided with a groove; the butt joint part is arranged in the groove and is provided with a butt joint unit and a butt joint lathe bed, the butt joint unit is used for realizing butt joint of two box workpieces forming the cylinder rotary type frame, the butt joint unit axially moves in the groove, the butt joint lathe bed is used for supporting the butt joint unit, the portal frame is arranged in the groove, axially moves in the groove and is used for positioning and welding the box workpieces; the ram is arranged on a beam of the portal frame, moves radially on the beam of the portal frame and is used for milling a box body workpiece; and the side tool rest unit is arranged at the bottom of the portal frame and is provided with two side tool rests for carrying out auxiliary processing on the side surface of the box body workpiece. The manufacturing device of the ultra-large ultra-precise cylinder rotary machine frame is suitable for equipment for processing cylinder and rotary machine frame parts.
Description
Technical Field
The invention relates to a manufacturing device of a rack, in particular to a manufacturing device of an ultra-large ultra-precise cylinder rotary rack.
Background
Along with the aerospace, medical instruments and mould industry becoming the main body of domestic machine tool market demands, the demands for parts with circular arc-shaped surfaces such as precise cylinders and rotating frames are also increasing.
The storage tank for spaceflight is mainly a thin-wall revolution body component, and has different structural thicknesses at different positions and different processing modes. The wall of the thinning area of the front box is thin, the rigidity of the thinning area of the shell section of the rear box and the welding area of the shell section of the rear box is weak, and the circumferential seam is easy to deform during welding, so that the circumferential seam of the storage box is locally unstable, and the use requirement cannot be met; the storage tank is made of heat-treatable reinforced high-strength aluminum alloy with poor weldability, and is easy to generate low-stress brittle failure and high in defect sensitivity when used in a low-temperature state, so that the requirements on the size, the number and the spacing of defects such as air holes, slag inclusion and the like in a welding line are more strict than those of a normal-temperature storage tank.
In addition, chinese proton and heavy ion therapy has been rapidly developed in recent decades, and proton therapy devices have been independently developed as well as proton and carbon ion therapy devices introduced from abroad. A plurality of rotating frames are required to be arranged on the proton therapeutic apparatus. The rotating frame is required to bear high-energy conveying equipment such as magnets, the weight is different from 100 tons to 200 tons, the rotating precision requirement is very high, the processing requirement is high, and the manufacturing is difficult.
In addition, such cylindrical devices such as liquid oxygen tanks and rotating frames have the characteristics of large diameter and long length, so that a common frame manufacturing device or a common machine tool cannot meet the requirements of such large-diameter and long-length cylindrical frames.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a manufacturing apparatus for an ultra-large and ultra-precise cylindrical rotating machine frame for processing an ultra-large cylindrical rotating machine frame.
The invention provides a manufacturing device of an ultra-large ultra-precise cylinder rotary rack, which has the characteristics that: a base provided with a groove; the butt joint part is arranged in the groove and is provided with a butt joint unit and a butt joint lathe bed, the butt joint unit is used for realizing butt joint of two box workpieces forming the cylinder rotary type frame, the butt joint unit axially moves in the groove, the butt joint lathe bed is used for supporting the butt joint unit, the portal frame is arranged in the groove, axially moves in the groove and is used for positioning and welding the box workpieces; the ram is arranged on a beam of the portal frame, moves radially on the beam of the portal frame and is used for milling a box body workpiece; and the side tool rest unit is arranged at the bottom of the portal frame and is provided with two side tool rests for carrying out auxiliary processing on the side surface of the box body workpiece.
The manufacturing apparatus for an ultra-large ultra-precise cylindrical rotating gantry according to the present invention may further include: the base is a concrete base, the groove is a stepped groove, an upper guide rail and a lower guide rail are arranged in the stepped groove, the portal frame axially moves in the stepped groove through the upper guide rail, and the butt joint unit axially moves along the butt joint lathe bed through the lower guide rail.
The manufacturing apparatus for an ultra-large ultra-precise cylindrical rotating gantry according to the present invention may further include: the butt joint unit is provided with an inner clamp, a headstock, an outer clamp, a tailstock and a roller bracket, wherein the inner clamp is detachably arranged on a center shaft of the headstock and used for realizing inner support of the box body workpiece, the outer clamp is used for tightening the box body workpiece, the headstock, the tailstock and the outer clamp can clamp the box body workpiece and drive the box body workpiece to synchronously rotate, and the roller bracket is used for supporting the box body workpiece.
The manufacturing apparatus for an ultra-large ultra-precise cylindrical rotating gantry according to the present invention may further include: the length of the butt joint long body is adjustable and is used for adapting to machining of box body workpieces with different sizes.
The manufacturing apparatus for an ultra-large ultra-precise cylindrical rotating gantry according to the present invention may further include: wherein, the inside of the casting of the portal frame is of a honeycomb structure.
The manufacturing apparatus for an ultra-large ultra-precise cylindrical rotating gantry according to the present invention may further include: the two side tool rests are obliquely arranged at the bottoms of the two support columns of the portal frame respectively, and the angle between the two side tool rests is 120 degrees and is used for milling and friction plug welding of box workpieces.
The manufacturing apparatus for an ultra-large ultra-precise cylindrical rotating gantry according to the present invention may further include: the side tool rest is internally provided with a main shaft chuck for switching a welding head, a 3D printing head, a high-frequency quenching sensor and various grinding tools.
Effects and effects of the invention
According to the manufacturing device of the ultra-large ultra-precise cylindrical rotating type rack, the axial movement of the portal frame and the butt joint unit in the groove is realized through the guide rail, and the side tool rest unit is additionally arranged for carrying out auxiliary machining on the box workpieces, so that the manufacturing device of the cylindrical rotating type rack realizes precise butt joint and machining of two box workpieces through conforming to the guide rail, in addition, the side tool rest unit automatically reduces or eliminates the influence of huge top force of friction stir welding on the precision of butt joint of the box workpieces, reduces the dimensional change generated by the top force during welding by less than one tenth, is suitable for equipment for machining cylindrical and rotating rack parts, is particularly suitable for high-speed precise machining of rotating racks such as a bin truck, a milling, welding and assembling intelligent manufacturing unit, a proton therapeutic instrument, a heavy ion therapeutic instrument, and has the functions of sufficient rigidity, high shock resistance, high precision, comprehensive machining of the ultra-large workpieces in all directions, and the like.
Drawings
Fig. 1 is a schematic structural view of a manufacturing apparatus for an ultra-large ultra-precise cylinder rotary type frame in an embodiment of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement of objects and effects achieved by the present invention easy to understand, the following embodiments are specifically described with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a manufacturing apparatus for an ultra-large ultra-precise cylinder rotary type frame in an embodiment of the present invention.
As shown in fig. 1, the manufacturing apparatus 100 for manufacturing a cylindrical rotating gantry includes a base 10, a docking portion 20, a gantry 30, a ram 40, and a side frame unit 50.
A stepped groove is provided in the base 10, and an upper rail and a lower rail are provided in the stepped groove. The base 10 is a concrete foundation for damping vibration of the manufacturing apparatus 100 for a cylindrical rotating type frame. In this embodiment, the upper rail adopts a steel-inlaid plastic rail technology, and the lower rail adopts a ball linear rail technology.
The butt joint section 20 has a butt joint bed 21 and a butt joint unit 22.
The docking bed 21 is fixedly arranged in the stepped groove and is used for supporting the docking unit 22. The length of the butt-joint lathe bed 21 can be adjusted to adapt to box workpieces of different sizes.
The docking unit 22 is used for docking two box workpieces forming a cylindrical rotary frame, and axially moves along the docking bed 21 through a lower guide rail, and comprises a tailstock 221, a headstock 222, an inner clamp 223, an outer clamp 224 and a roller bracket 225.
The tailstock 221 is disposed in the stepped recess at an end remote from the gantry 30 for moving the box workpiece.
The headstock 222 is disposed within the stepped recess at an end adjacent the gantry 30 for moving the box workpiece.
An inner clamp 223 is removably disposed on the central axis of the headstock 222 for stretching the box work piece.
The outer clamp 224 is disposed within the stepped recess for tightening the box workpiece.
The tailstock 221, the headstock 222 and the outer clamp 224 can clamp the box workpiece and drive the box workpiece to synchronously rotate.
The roller support 225 is used to support the box body workpiece. The number of roller brackets 225 may be increased or decreased depending on the actual manufacturing situation.
The portal frame 30 is arranged in the stepped groove, and axially moves in the stepped groove through the upper guide rail, so as to position and weld the box body workpiece. The casting of the gantry 30 is internally of a honeycomb structure of high stiffness, low vibration characteristics. In this embodiment, to facilitate positioning and welding of the gantry 30 to the box workpiece, the level of the gantry 30 in the stepped recess is higher than the level of the docking unit 22 in the stepped recess.
The ram 40 is disposed on a beam of the gantry 30, and moves radially on the beam of the gantry 30 through a radial guide rail disposed on the beam, for milling a box workpiece.
The side tool rest unit 50 is provided at the bottom of the portal frame 30 for performing auxiliary processing on the side surface of the box workpiece and collecting powdery or needle cylinder scrap iron, and has a side tool rest 51 and a side tool rest 52, with an angle between the side tool rest 51 and the side tool rest 52 being 120 °.
The side tool rest 51 is obliquely arranged at the bottom of one side support bar of the portal frame 30, and the angle between the axis of the side tool rest 51 and the axis of the portal frame 30 is 60 degrees for milling the box workpiece.
The side tool rest 52 is obliquely arranged at the bottom of the supporting rod at the other side of the portal frame 30, and the angle between the axis of the side tool rest 52 and the axis of the portal frame 30 is 60 degrees, so that friction plug welding of box workpieces is realized.
The inside of the side tool rest 51 and the side tool rest 52 are provided with spindle chucks for switching welding heads, 3D printheads, induction hardening inductors and various grinding tools to adapt to different machining modes.
The working process of the manufacturing device 100 of the ultra-large ultra-precise cylinder rotary type rack is as follows: firstly, a first box body workpiece is mounted on a tailstock 221, then the first box body workpiece is moved to the middle of an outer clamp 224, the outer clamp 224 is tightened, a portal frame 30 is moved to the middle of the outer clamp 224, alignment positioning is carried out, a ram 40 descends, the right side edge of the workpiece is rotated, the outer clamp 224 is loosened after completion, and the ram 40 and the tailstock 221 are retracted to the initial positions; another box body workpiece is arranged on the headstock 222, an inner clamp 223 is arranged on the center shaft of the headstock 222, the headstock 222 moves to the middle of the outer clamp 224, the inner clamp 223 is opened, the ram 40 is lowered, the outer clamp 224 is tightened, the left side edge of the workpiece starts to be processed, after the outer clamp 224 is loosened, the inner clamp 223 is folded, and the portal frame 30 and the headstock 222 are retracted to the initial position; then the headstock 222 and the tailstock 221 are simultaneously moved to the middle of the outer clamp 224, the two workpieces are aligned and screwed, the inner clamp 223 is opened, the outer clamp 224 is tightened, the portal frame 30 is moved and positioned to weld the two barrel sections, after the completion, the portal frame 30 is moved away, and the workpieces are retracted along with the tailstock 221; a roller bracket 225 is arranged at the bottom of the workpiece, and the welding quality is checked.
Effects and effects of the examples
According to the manufacturing device of the ultra-large ultra-precise cylindrical rotating type rack in the embodiment, because the axial movement of the portal frame and the butt joint unit in the groove is realized through the guide rail, and the auxiliary machining of the box body workpiece is further realized by the side tool rest unit, the manufacturing device of the cylindrical rotating type rack realizes the precise butt joint and machining of two box body workpieces through conforming to the guide rail, in addition, the side tool rest unit automatically reduces or eliminates the influence of the huge top force of friction stir welding on the precision of butt joint of the box body workpieces, reduces the dimensional change generated by the top force during welding by less than one tenth, is suitable for equipment for machining cylindrical and rotating rack parts, is particularly suitable for high-speed precise machining of rotating racks such as a box turning, milling, welding and assembling intelligent manufacturing unit of a proton therapeutic instrument, a rotating rack of a heavy ion therapeutic instrument, has the functions of sufficient rigidity, high shock resistance, high precision, comprehensive machining of the ultra-large workpiece in all directions, and the like.
In addition, in the embodiment, the portal frame axially moves through the upper guide rail of the steel-inlaid plastic-adhered guide rail, and the butt joint unit axially moves through the lower guide rail of the ball linear guide rail, so that the precision of the composite guide rail is improved.
In addition, the honeycomb structure with high rigidity and low vibration characteristic is adopted as the inside of the casting of the portal frame, so that the high shock resistance of the manufacturing device is improved.
In addition, a special main shaft chuck is designed on the side tool rest, so that the side tool rest can be conveniently switched into a welding head, a 3D printing head, a high-frequency quenching induction machine, various grinding wheels and cutters, and different processing modes are applicable, the traditional functions of turning, planing, drilling, milling, grinding and the like of material reduction processing can be realized, the material addition processing of 3D printing is expanded, and in addition, welding of fusion welding, forge welding and heat treatment (high-frequency quenching and local tempering) can be realized.
The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.
Claims (5)
1. A manufacturing apparatus for manufacturing a rotating gantry of an ultra-large ultra-precise cylinder, comprising:
a base provided with a groove;
the butt joint part is arranged in the groove and is provided with a butt joint unit and a butt joint lathe bed, the butt joint unit is used for realizing the butt joint of two box body workpieces forming the cylinder rotary rack, the axial movement is carried out in the groove, and the butt joint lathe bed is used for supporting the butt joint unit;
the portal frame is arranged in the groove, axially moves in the groove and is used for positioning and welding the box body workpiece;
the ram is arranged on a beam of the portal frame, moves radially on the beam of the portal frame and is used for milling the box body workpiece; and
a side tool rest unit arranged at the bottom of the portal frame and provided with two side tool rests for carrying out auxiliary processing on the side surface of the box body workpiece,
wherein the butt joint unit is provided with an inner clamp, a head seat, an outer clamp, a tail seat and a roller bracket,
the inner clamp is detachably arranged on the center shaft of the headstock and is used for realizing inner support of the box body workpiece,
the outer clamp is used for tightening the box body workpiece,
the headstock, the tailstock and the outer clamp can clamp the box body workpiece and drive the box body workpiece to synchronously rotate,
the roller bracket is used for supporting the box body workpiece,
the two side tool rests are obliquely arranged at the bottoms of the two support columns of the portal frame respectively, the angle between the two side tool rests is 120 degrees, and the angle between the axes of the two side tool rests and the axis of the portal frame is 60 degrees and is used for milling and friction plug welding of the box body workpiece respectively.
2. The apparatus for manufacturing an oversized ultra-precise cylindrical rotating-type frame according to claim 1, wherein:
wherein the base is a concrete base, the groove is a step-shaped groove, an upper guide rail and a lower guide rail are arranged in the step-shaped groove,
the portal frame moves axially in the stepped groove through the upper guide rail,
the butt joint unit axially moves along the butt joint lathe bed through the lower guide rail.
3. The apparatus for manufacturing an oversized ultra-precise cylindrical rotating-type frame according to claim 1, wherein:
the length of the butt joint long body is adjustable and is used for adapting to machining of box body workpieces with different sizes.
4. The apparatus for manufacturing an oversized ultra-precise cylindrical rotating-type frame according to claim 1, wherein:
wherein, the inside cellular structure that is of foundry goods of portal frame.
5. The apparatus for manufacturing an oversized ultra-precise cylindrical rotating-type frame according to claim 1, wherein:
the side tool rest is internally provided with a main shaft chuck for switching a welding head, a 3D printing head, a high-frequency quenching sensor and various grinding tools.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710569765.0A CN107150230B (en) | 2017-07-13 | 2017-07-13 | Manufacturing device of ultra-large ultra-precise cylinder rotary rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710569765.0A CN107150230B (en) | 2017-07-13 | 2017-07-13 | Manufacturing device of ultra-large ultra-precise cylinder rotary rack |
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| Publication Number | Publication Date |
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| CN107150230A CN107150230A (en) | 2017-09-12 |
| CN107150230B true CN107150230B (en) | 2023-06-20 |
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| CN201710569765.0A Active CN107150230B (en) | 2017-07-13 | 2017-07-13 | Manufacturing device of ultra-large ultra-precise cylinder rotary rack |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109676240A (en) * | 2019-02-12 | 2019-04-26 | 上海航天精密机械研究所 | Full-automatic cone casting circumferential weld stirring friction-welding technique device |
| CN110202386B (en) * | 2019-07-16 | 2024-03-22 | 宁波万盛智能科技股份有限公司 | Welding device for transmission shaft |
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