A tooling structure for superconducting magnet assembly

Abstract

The present invention relates to the technical field of superconducting magnets, and discloses a tooling structure for superconducting magnet assembly, including a lower mold assembly, an upper mold assembly and a positioning assembly; the upper mold assembly and the lower mold assembly are respectively provided with a semi-cylindrical notch for accommodating a magnet outer cylinder, and the upper mold assembly covers the lower mold assembly; the positioning assembly is arranged on the outer end surfaces of both sides of the upper mold assembly and the lower mold assembly, and is used to detect the axial and radial alignment of the magnet outer cylinder. The present invention integrates the circle holding and radial and axial precise positioning of the magnet outer cylinder, has a simple structure, is convenient and quick to position, has strong practicality, eliminates the technical drawbacks of relying on a line projection instrument to align one by one, thereby achieving the purpose of quickly and accurately positioning the relative position relationship between the components, improving the magnet production efficiency, and stabilizing the magnet production quality.

Description

Technical Field

[0001] The invention relates to the technical field of superconducting magnets, and in particular to a tooling structure for superconducting magnet assembly. Background Art

[0002] At present, the domestic superconducting magnet assembly production usually uses line-casting equipment, measuring rulers and other common tools to align the relative position relationship between the cylinders. This is not only troublesome, but also has generally poor positioning accuracy, low production efficiency, and the assembly quality is greatly affected by human factors. Summary of the invention

[0003] In order to solve the above-mentioned deficiencies in the prior art, the present invention provides a tooling structure for superconducting magnet assembly.

[0004] In order to achieve the above technical purpose, the technical solution adopted by the present invention is:

[0005] A tooling structure for superconducting magnet assembly, comprising a lower die assembly, an upper die assembly and a positioning assembly; the upper die assembly and the lower die assembly are respectively provided with a semi-cylindrical notch for accommodating a magnet outer cylinder, and the upper die assembly covers the lower die assembly; the positioning assembly is arranged on both side outer end surfaces of the upper die assembly and the lower die assembly, and is used to detect the axial and radial alignment of the magnet outer cylinder.

[0006] Furthermore, the positioning assembly includes a positioning seat and a positioning plate; there are eight positioning seats in total, which are arranged in groups of four evenly and circumferentially on the outer end surfaces of the upper mold assembly and the lower mold assembly; there are eight positioning plates in total, which are arranged in groups of four to form a square positioning surface around a group of positioning seats, and two groups of positioning seats and positioning plates are symmetrically installed.

[0007] Furthermore, the positioning seat includes a positioning plate and a positioning rod; the positioning plate is fixed on the upper mold assembly / lower mold assembly, the positioning rod is connected to the positioning plate, the positioning rod is in the shape of a square column, and two groups of opposite surfaces of the positioning rod are respectively provided with through connecting holes, the positioning plate is in the shape of a strip plate, and the two ends of the positioning plate are connecting parts, the connecting parts are in the shape of a square column, and two groups of opposite surfaces of the connecting parts are processed with positioning holes, and the connecting parts at both ends of the positioning plate are respectively connected to the positioning rods of the positioning seat through positioning pins.

[0008] Furthermore, a first boss and a second boss are respectively provided on both sides of the positioning plate, the height of the first boss is greater than that of the second boss, the top surface of the first boss is set as positioning surface A, the bottom surface of the second boss is set as positioning surface B, and a side surface connecting positioning surface A and positioning surface B is set as positioning surface C, and positioning surface A, positioning surface B, and positioning surface C are respectively abutted against the 4K cylinder end face, the 50K cylinder end face, and the 300K cylinder end face to achieve accurate axial positioning; a center line is engraved on the positioning plate, and the center line is aligned with the horizontal and vertical center lines of the 4K cylinder end face, the 50K cylinder end face, and the 300K cylinder end face to achieve the concentricity requirement of the cylinder assembly.

[0009] Furthermore, the lower mold assembly includes two lower mold holding circular plates arranged symmetrically on the left and right. The lower mold holding circular plates are plate-shaped with a semicircular notch in the middle of the top. Upper and lower mold connecting flanges are respectively arranged on both sides of the top. The two lower mold holding circular plates are connected by multiple main support beams and auxiliary support beams.

[0010] Furthermore, the upper mold assembly includes two upper mold holding circular plates that are symmetrically arranged on the left and right. The upper mold holding circular plates are in the shape of semi-annular plates, and upper and lower mold connecting flanges are respectively arranged on both sides of the bottom. The two upper mold holding circular plates are connected by multiple main support beams and auxiliary support beams.

[0011] Furthermore, two positioning seat mounting bosses are respectively arranged on the outer sides of the lower die holding circular plate and the upper die holding circular plate, and the positioning seat mounting bosses are symmetrically arranged in the axial direction and the radial direction.

[0012] Furthermore, a magnet anchor auxiliary support platform is axially symmetrically arranged below the semicircular notch on the inner side of the lower mold holding circular plate, and the magnet anchor auxiliary support platform is provided with a radial level adjustment screw and an axial position adjustment screw.

[0013] Furthermore, it also includes a cold shield outer tube support plate, which has a strip-shaped structure and one side is an arc surface, the arc surface is consistent in size with the arc surface of the 50K cold shield outer tube, and the outer end surfaces of the upper mold assembly and the lower mold assembly are provided with multiple cold shield support bases, the cold shield support bases are evenly distributed circumferentially, and the end of the cold shield outer tube support plate away from the arc surface is installed in the cold shield support base through the cold shield outer tube support stud.

[0014] Furthermore, it also includes a neck tube cold head container positioning plate, which is fixed on the upper mold assembly, and the neck tube cold head container positioning plate is provided with a neck tube cold head container fixing screw hole and a neck tube cold head container lifting eye screw.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1) The present invention integrates the circle holding and radial and axial precise positioning of the magnet outer cylinder, has a simple structure, is convenient and quick to position, is highly practical, eliminates the technical drawbacks of relying on a line caster to align one by one, thereby achieving rapid and precise positioning of the mutual position relationship between the components, improving the magnet production efficiency, and stabilizing the magnet production quality;

[0017] 2) The positioning plate of the present invention is provided with three positioning surfaces. By quickly changing the direction of the positioning plate, the radial positioning detection of the axis of the 4K cylinder, the 50K cylinder, and the 300K cylinder can be realized respectively; it is flexible and convenient to use, and improves the compatibility and versatility of the tooling;

[0018] 3) The upper mold assembly and the lower mold assembly of the present invention are manufactured by connecting a circular plate with a support beam, which has a simple structure, saves time and effort in processing and manufacturing, and has high structural strength. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 is a stereoscopic view of the present invention;

[0021] Figure 2 It is a front view of the present invention;

[0022] Figure 3 It is a structural schematic diagram of the lower mold assembly in the present invention;

[0023] Figure 4 It is a structural schematic diagram of the upper mold assembly in the present invention;

[0024] Figure 5 It is a structural schematic diagram of the positioning seat in the present invention;

[0025] Figure 6 It is a structural schematic diagram of the positioning plate in the present invention;

[0026] Figure 7 It is a schematic diagram of the positioning of the neck tube cold head container and the 300K outer cylinder assembly in the present invention.

[0027] Figure markings: 1-lower die assembly, 2-lower die holding circular plate, 3-upper die assembly, 4-upper die holding circular plate, 5-positioning seat, 6-positioning plate, 7-upper die lifting eye screw, 8-cold screen outer tube support plate, 9-cold screen outer tube support stud, 10-neck tube cold head container positioning plate, 11-neck tube cold head container lifting eye screw, 12-positioning pin, 13-safety handrail, 14-main support beam, 15-upper and lower die assembly positioning pin, 16-foot pedal, 17-foot pedal support frame, 18-radial level adjustment screw, 19-axis Position adjusting screw, 20-auxiliary support beam, 21-ground mounting plate, 22-positioning seat mounting boss, 23-positioning plate, 24-positioning rod, 25-connecting hole, 26-connecting part, 27-positioning hole, 28-first boss, 29-second boss, 30-positioning surface A, 31-positioning surface B, 32-positioning surface C, 33-center line, 34-magnet ground auxiliary support platform, 35-cold screen support base, 36-neck tube cold head container, 37-climbing ladder, 100-300K outer cylinder assembly. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application claimed for protection, but merely represents the selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians of the art without making creative work are within the scope of protection of the present application.

[0029] A tooling structure for superconducting magnet assembly, comprising a lower die assembly 1, an upper die assembly 3, and a positioning assembly; the upper die assembly 3 and the lower die assembly 1 are respectively provided with a semi-cylindrical notch for accommodating a magnet outer cylinder, and the upper die assembly 3 covers the lower die assembly 1; the positioning assembly is arranged on the outer end surfaces on both sides of the upper die assembly 3 and the lower die assembly 1, and is used to detect the axial and radial alignment of the magnet outer cylinder.

[0030] The lower mold assembly 1 includes two mold-embracing circular plates 2 that are symmetrically arranged on the left and right, and are connected into one by a plurality of main support beams 14 and auxiliary support beams 20. The lower mold-embracing circular plate 2 is in the shape of a plate, with a semicircular notch in the middle of the top, and upper and lower mold connecting flanges are respectively arranged on both sides of the top. Upper and lower mold assembly locating pins 15 are provided on the upper and lower mold connecting flanges, and anchor mounting plates 21 are provided on both sides of the bottom of the lower mold-embracing circular plate 2.

[0031] The upper die assembly 3 comprises two upper die holding circular plates 4 which are symmetrically arranged on the left and right, and are connected into one body by a plurality of main support beams 14 and auxiliary support beams 20. The upper die holding circular plate 4 is in the shape of a semi-circular plate, and upper and lower die connecting flanges are respectively arranged on both sides of the bottom; the inner ring size of the upper die holding circular plate 4 is adapted to the size of the semi-circular notch of the lower die holding circular plate 2;

[0032] Two positioning seat mounting bosses 22 are respectively arranged on the outer sides of the lower die holding circular plate 2 and the upper die holding circular plate 4, and the positioning seat mounting bosses 22 are symmetrically arranged in the axial direction and the radial direction;

[0033] The positioning assembly includes a positioning seat 5 and a positioning plate 6. There are eight positioning seats 5, which are respectively mounted on the positioning seat mounting bosses 22 of the upper mold assembly and the lower mold assembly. There are eight positioning plates 6, four in a group, forming a square positioning surface around the positioning seat 5. Two groups of positioning plates 6 are symmetrically installed.

[0034] The positioning seat 5 includes a positioning disk 23 and a positioning rod 24; the positioning disk 23 is fixed on the positioning seat mounting boss 22 of the upper mold assembly and the lower mold assembly by screws, and the positioning seat mounting boss 22 is a finely machined surface. The positioning rod 24 is in the shape of a square column and is connected to the positioning disk. Two groups of opposite surfaces of the positioning rod 24 are respectively provided with through connecting holes 25. The positioning plate 6 is in the shape of a strip plate, and the two ends of the positioning plate 6 are connecting parts 26. The connecting parts are in the shape of a square column, and the two groups of opposite surfaces of the connecting parts 26 are processed with positioning holes 27. The connecting parts 26 at both ends of the positioning plate 6 are respectively connected to the positioning rod 24 of the positioning seat through positioning pins 12.

[0035] The first boss 28 and the second boss 29 are respectively provided on both sides of the positioning plate 6. The height of the first boss 28 is greater than that of the second boss 29. The top surface of the first boss 28 is set as a positioning surface A30, the bottom surface of the second boss 29 is set as a positioning surface B31, and a side surface connecting the positioning surface A30 and the positioning surface B31 is set as a positioning surface C32. The positioning surface A30, the positioning surface B31, and the positioning surface C32 are respectively abutted against the end surface of the 4K cylinder, the end surface of the 50K cylinder, and the end surface of the 300K cylinder to achieve accurate axial positioning. The positioning plate 6 is engraved with a center line 33. The center line 33 of the drawing is aligned with the horizontal and vertical center lines of the 4K cylinder end faces, the 50K cylinder end faces, and the 300K cylinder end faces to achieve the concentricity requirement of the cylinder assembly; the positioning surfaces A30 of the eight positioning plates 6 are installed face to face (towards the inside of the tooling) at the same time to position the axial and radial positions of the two end faces of the 4K cylinder, the positioning surfaces B31 of the eight positioning plates 6 are installed face to face (towards the inside of the tooling) at the same time to position the axial and radial positions of the two end faces of the 50K cylinder, and the positioning surfaces C32 of the eight positioning plates 6 are installed face to face (towards the inside of the tooling) at the same time to position the axial and radial positions of the two end faces of the 300K cylinder.

[0036] A magnet foot auxiliary support platform 34 is axially symmetrically arranged below the inner semicircular notch of the lower mold holding circular plate 2, and the magnet foot auxiliary support platform 34 is provided with a radial horizontal adjustment screw 18 and an axial position adjustment screw 19; the 300K outer cylinder assembly 100 is placed in the lower mold assembly 1, and it needs to be adjusted and positioned. For example, to adjust the horizontal center line of the 300K outer cylinder assembly to align with the horizontal center line of the tooling, it is necessary to use the radial horizontal adjustment screw 18 to push the magnet foot to fine-tune the 300K outer cylinder assembly to horizontal overlap; for example, to adjust the exposed distances at both ends of the 300K outer cylinder assembly to be equal, it is necessary to use the axial position adjustment screw 19 to push the magnet foot to perform axial position fine-tuning, and after adjusting the upper mold assembly 3 on the rear cover to hold the circle, the roundness of the 300K outer cylinder is corrected.

[0037] It also includes a cold screen outer cylinder support plate 8, which is a strip-shaped structure with one side being an arc surface, the arc surface being consistent in size with the arc surface of the 50K cold screen outer cylinder, a plurality of cold screen support bases 35 are arranged on the outer sides of the upper mold holding circular plate 4 and the lower mold holding circular plate 2, the cold screen support bases 35 are evenly distributed circumferentially, the end of the cold screen outer cylinder support plate 8 away from the arc surface is installed in the cold screen support bases 35 of the upper mold holding circular plate and the lower mold holding circular plate through the cold screen outer cylinder support studs 9, the cold screen outer cylinder support studs 9 are stepped studs, the small end of the cold screen outer cylinder support studs 9 is threadedly connected to the cold screen outer cylinder support plate 8, the large end of the cold screen outer cylinder support studs 9 is threadedly connected to the cold screen support base 35, the cold screen outer cylinder support studs 9 are rotated to push the cold screen outer cylinder support plate 8 to contact with the 50K cold screen outer cylinder, and the 50K cold screen outer cylinder can be supported before the 50K cylinder is hung and installed.

[0038] It also includes a neck tube cold head container positioning plate 10, the two ends of which are respectively fixed on the outer rings of the two upper mold holding circular plates 4, and the neck tube cold head container positioning plate 10 is provided with a neck tube cold head container fixing screw hole and a neck tube cold head container lifting eye screw 11. During installation, the neck tube cold head container 36 is first fixed to the positioning plate 10 offline, and then hoisted and installed on the upper mold assembly through the neck tube cold head container lifting eye screw 11.

[0039] A plurality of climbing ladders 37 are welded to the outer side of the lower mold holding circular plate 2, and two footrests 16 and a plurality of footrest support frames 17 are connected between the two lower mold holding circular plates 2 to facilitate climbing and standing during the installation process.

[0040] The outer ring of the upper mold holding circular plate 4 is welded with a plurality of safety handrails 13 to facilitate climbing and grasping during installation; an upper mold lifting ring screw 7 is installed in the middle of the top to facilitate lifting and installation.

[0041] The present invention realizes precise radial and axial positioning of the 300K cylinder, 50K cold shield cylinder and 4K cylinder by setting a positioning component. The upper mold component, the lower mold component and the cold shield outer cylinder support plate can realize the 300K cylinder and the 50K cold shield cylinder to embrace the circle. The present invention integrates the embrace of the circle with the precise axial and radial positioning, eliminates the technical drawback of relying on the line projection instrument to align one by one, thereby realizing the rapid and precise positioning of the relative position relationship between the components, improving the magnet production efficiency, and stabilizing the magnet production quality.

[0042] Of course, the present invention may have many other embodiments. Without departing from the spirit and essence of the present invention, technicians familiar with the field may make various corresponding changes and deformations based on the present invention, but these corresponding changes and deformations should all fall within the scope of protection of the claims attached to the present invention.

Claims

1. A tooling structure for superconducting magnet assembly, Features: The invention comprises a lower die assembly (1), an upper die assembly (3) and a positioning assembly; the upper die assembly (3) and the lower die assembly (1) are respectively provided with a semi-cylindrical notch for accommodating the outer cylinder of the magnet, and the upper die assembly (3) covers the upper end surface of the lower die assembly (1); the positioning assembly is arranged on both side outer end surfaces of the upper die assembly (3) and the lower die assembly (1) and is used to detect the axial and radial alignment of the outer cylinder of the magnet; The positioning assembly comprises a positioning seat (5) and a positioning plate (6); the positioning seats (5) are eight in total, and are arranged in groups of four on the outer end surfaces of the upper mold assembly (3) and the lower mold assembly (1) in a circumferential direction; the positioning plates (6) are eight in total, and are arranged in groups of four around a group of positioning seats to form a square positioning surface, and two groups of positioning seats (5) and positioning plates (6) are symmetrically installed; the positioning seat (5) comprises a positioning disk (23) and a positioning rod (24); the positioning disk (23) is fixed on the upper mold assembly / lower mold assembly, the positioning rod (24) is connected to the positioning disk (23), the positioning rod (24) is in the shape of a square column, and two groups of opposite surfaces of the positioning rod (24) are respectively provided with through connection holes (25); the positioning plate (6) is in the shape of a strip plate, and the two ends of the positioning plate (6) are connecting parts (26), the connecting part (26) is in the shape of a square column, and two groups of opposite surfaces of the connecting part (26) are processed with positioning holes (27), and the positioning plate (6) ) two end connecting parts (26) are respectively connected to the positioning rod (24) of the positioning seat through the positioning pin (12); the two sides of the positioning plate (6) are respectively provided with a first boss (28) and a second boss (29), the height of the first boss (28) is greater than the height of the second boss (29), the top surface of the first boss (28) is set as a positioning surface A (30), the bottom surface of the second boss (29) is set as a positioning surface B (31), and the positioning surface A (30) is connected to the positioning surface One side surface of the positioning surface B (31) is set as the positioning surface C (32), and the positioning surface A (30), the positioning surface B (31), and the positioning surface C (32) are respectively abutted against the end surface of the 4K cylinder body, the end surface of the 50K cylinder body, and the end surface of the 300K cylinder body to achieve accurate axial positioning; a center line (33) is engraved on the positioning plate (6), and the center line (33) is aligned with the horizontal and vertical center lines of the 4K cylinder body end surface, the 50K cylinder body end surface, and the 300K cylinder body end surface to achieve the concentricity requirement of the cylinder assembly.

2. The tooling structure for superconducting magnet assembly according to claim 1, Features: The lower die assembly (1) comprises two lower die holding circular plates (2) which are symmetrically arranged on the left and right. The lower die holding circular plates (2) are plate-shaped, with a semicircular notch in the middle of the top. Upper and lower die connecting flanges are respectively arranged on both sides of the top. The two lower die holding circular plates (2) are connected by a plurality of main support beams (14) and auxiliary support beams (20).

3. The tooling structure for superconducting magnet assembly according to claim 2, Features: The upper die assembly (3) comprises two upper die holding circular plates (4) which are symmetrically arranged on the left and right. The upper die holding circular plates (4) are in the shape of a semi-circular plate, and upper and lower die connecting flanges are respectively arranged on both sides of the bottom. The two upper die holding circular plates (4) are connected by a plurality of main support beams (14) and auxiliary support beams (20).

4. The superconducting magnet assembly tooling structure according to claim 3, Features: Two positioning seat mounting bosses (22) are respectively arranged on the outer sides of the lower die holding circular plate (2) and the upper die holding circular plate (4), and the positioning seat mounting bosses (22) are symmetrically arranged in the axial direction and the radial direction.

5. The superconducting magnet assembly tooling structure according to claim 3, Features: A magnet foot auxiliary support platform (34) is axially symmetrically arranged below the semicircular notch on the inner side of the lower die holding circular plate (2), and the magnet foot auxiliary support platform (34) is provided with a radial level adjustment screw (18) and an axial position adjustment screw (19).

6. The tooling structure for superconducting magnet assembly according to claim 1, Features: It also includes a cold shield outer tube support plate (8), which is in a strip-shaped structure, one side of which is an arc surface, and the arc surface is consistent in size with the arc surface of the 50K cold shield outer tube. The outer end surfaces of the upper mold assembly (3) and the lower mold assembly (1) are provided with a plurality of cold shield support bases (35), and the cold shield support bases (35) are evenly distributed in the circumferential direction. The end of the cold shield outer tube support plate (8) away from the arc surface is installed in the cold shield support base (35) through a cold shield outer tube support stud (9).

7. The superconducting magnet assembly tooling structure according to claim 1, Features: It also comprises a neck tube cold head container positioning plate (10), which is fixed on the upper mold assembly (3), and the neck tube cold head container positioning plate (10) is provided with a neck tube cold head container fixing screw hole and a neck tube cold head container lifting eye screw (11).

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