CN212665484U - Stator segment machining clamping device - Google Patents
Stator segment machining clamping device Download PDFInfo
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- CN212665484U CN212665484U CN202021029264.7U CN202021029264U CN212665484U CN 212665484 U CN212665484 U CN 212665484U CN 202021029264 U CN202021029264 U CN 202021029264U CN 212665484 U CN212665484 U CN 212665484U
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Abstract
The utility model discloses a stator section machine tooling clamping device, install on the planer-type milling workstation through the bolt including a plurality of milling support, stator section surface evenly opens has a plurality of cavitys, is equipped with a plurality of evenly distributed's diaphragm in the cavity, diaphragm both ends and cavity lateral wall fixed connection; the milling support is provided with a plurality of pairs of ejection heads, a plurality of pairs of nut seats, a plurality of supporting bolts, two adjusting frames and at least four first positioning holes; each pair of the jacking heads supports the inner wall of the concave cavity, each pair of the nut seats supports the transverse plate, the adjusting frame supports the side wall of the concave cavity, and the first positioning holes realize positioning and installation; furthermore, the supporting and fixing and accurate positioning of the stator section can be realized, the central symmetry degree of the stator section is guaranteed, meanwhile, the tool does not adopt vertical clamping, secondary turnover processing can be avoided, the labor intensity is reduced, and the working efficiency is improved.
Description
Technical Field
The utility model relates to a aerogenerator stator section processing frock field, specific stator section machine tooling clamping device that says so relates to.
Background
The stator is an important core component of wind power generation equipment, the prior wind power field mostly adopts an integral steel structure or an iron casting, the integral stator structure is expanded to the upper level of 10MW along with the continuous expansion of an offshore direct-drive high-power wind driven generator, the diameter of a stator base is larger and larger, the integral stator structure is not suitable for the requirements of manufacture, transportation and maintenance, a split structure is required to be adopted, and meanwhile, the weight of parts is required to be controlled, namely, the parts are welded into a component and are formed by tempering and machining; the steel structural member is characterized by poor rigidity of a workpiece, large clamping deformation and great difficulty in controlling the whole machining size and precision, and the steel structural member needs to be grasped and regulated; in the prior art, because the stator section is processed vertically, the required processing machine tool has large specification, expensive price and high processing cost; meanwhile, when the top end of the stator section is machined, a workpiece needs to be turned over, the risk of turning over the workpiece is high, correction time is long due to secondary clamping, meanwhile, correction errors can affect the size precision and the position precision of the workpiece, and the central symmetry degree of each valve is difficult to guarantee.
SUMMERY OF THE UTILITY MODEL
For overcoming the aforesaid not enough, the utility model provides a stator segment machine tooling clamping device.
A stator section machining clamping device comprises a gantry milling workbench, wherein a milling support is detachably mounted on the upper surface of the gantry milling workbench, and a stator section is mounted on the milling support; the outer surface of the stator section is uniformly provided with a plurality of concave cavities, a plurality of uniformly distributed long holes and transverse plates are arranged in the concave cavities, and two ends of each transverse plate are fixedly connected with the side wall of each concave cavity; the milling support is provided with a plurality of groups of jacks, a plurality of nut seats, a plurality of supporting bolts and four first positioning holes; the ejection heads are uniformly, symmetrically and detachably connected to the front side and the rear side of the milling support, the ejection heads are in contact with the inner wall of the cavity, a fastening bolt is arranged between each group of ejection heads, the fastening bolts are connected with the milling support through a pressing plate, and the bottom surface of the pressing plate is in contact with the outer wall of the cavity; the supporting bolts are uniformly and symmetrically connected to the left side and the right side of the milling support, and the supporting bolts are contacted with the bottom surfaces of the left end part and the right end part of the stator section; the nut seats are uniformly and symmetrically connected to the milling support through bolts; the middle points of the front end and the rear end of the milling support are also symmetrically connected with an adjusting frame through bolts; the first positioning holes are symmetrically formed at four end corners of the milling support respectively.
By the utility model discloses an optimal scheme, nut seat symmetric distribution is in the diaphragm both sides, and the nut seat includes supporting shoe, clamp plate and clamping bolt, and the supporting shoe passes through the bolt and mills the support and can dismantle the connection, and the supporting shoe passes the slot hole, clamp plate and supporting shoe top fixed connection, and clamping bolt passes clamp plate and diaphragm contact.
By the utility model discloses a preferred scheme, the adjustment frame includes second bottom plate, two connecting blocks and two adjusting bolt, and both ends about connecting block fixed connection is bottom plate respectively, and two adjusting bolt pass behind the connecting block respectively with cavity lateral wall contact.
By the utility model discloses an optimal scheme, it has the second locating hole corresponding with first locating hole to open on the stator section, and second locating hole and first locating hole pass through the locating pin and connect.
By the utility model discloses a preferred scheme, the top includes top cap and connecting rod, and connecting rod one end surface is the screw thread, is connected with the milling support, and other end body coupling has the spheroid, and the spheroid is lived to the top cap and can rotates.
By the utility model discloses a preferred scheme, mill the support and pass through the bolt and install on the longmen mills the workstation, mill the convex of top for upwards arching of support.
The clamping method of the stator section machining clamping device comprises the following steps:
a. mounting the milling support on a gantry milling workbench;
b. flatly hanging the stator section onto a milling support;
c. after the stator section is adjusted through the adjusting bolt, the top and the supporting bolt, the positioning pin is inserted into a second positioning hole and a first positioning hole which correspond to the stator section and the milling support;
d. pressing a pressing plate, and screwing a clamping bolt into the pressing plate and the milling support simultaneously to clamp and fix the stator section;
e. and withdrawing the positioning pin, and enabling the stator segment to enter a machining state.
The utility model has the advantages that: the stator section is installed on the milling support, and the support and fixation of the stator section are ensured through a top head, a nut seat, a supporting bolt and an adjusting frame on the milling support, so that the processing deformation of the stator section can be effectively prevented, and the processing precision of the stator section can be improved; then, after the first positioning hole and the second positioning hole are connected through the positioning pin, whether the fastening support of the stator segment meets the accurate positioning condition is judged; meanwhile, the tool does not adopt vertical clamping, secondary turnover processing can be avoided, labor intensity is reduced, and working efficiency is improved.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a plan view of the present invention:
fig. 2 is a front view of the present invention;
FIG. 3 is a sectional view taken along line A of FIG. 1;
FIG. 4 is a front view of the adjustment bracket;
FIG. 5 is a front view of the nut seat;
wherein: the gantry milling machine comprises a gantry milling workbench 1, a positioning pin 2, a stator section 3, a nut seat 4, a concave cavity 5, a second positioning hole 6, a pressing plate 7, a milling support 8, a fastening bolt 9, a top 10, a supporting bolt 11, a clamping bolt 12, an adjusting bolt 13, a bottom plate 14, a connecting block 15, a supporting block 16 and a transverse plate 17.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. The figures are simplified schematic diagrams illustrating the basic structure of the invention in a schematic way only, and therefore they show only the components relevant to the invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, the two components can be communicated with each other inside, the fixed connection can be welding, gluing and the like, and for those skilled in the art, the specific meaning of the terms in the present invention can be understood according to specific situations.
As shown in fig. 1-5, a stator segment machining clamping device comprises a gantry milling workbench 1, wherein a milling support (8) is detachably mounted on the upper surface of the gantry milling workbench 1 through a bolt, and a stator segment 3 is mounted on the milling support 8; the top of the milling support 8 is in the shape of an arc arched upwards, radian deformation during the processing of the stator sections 3 is prevented, and the stator is formed by assembling the plurality of stator sections 3 around the circumference, so that the processing precision of each stator section 3 and the central symmetry degree between each stator section 3 are ensured, and the integral precision of the assembled stator can be ensured.
A plurality of cavities 5 are uniformly formed in the outer surface of the stator section 3, a plurality of uniformly distributed long holes and transverse plates 17 are arranged in the cavities 5, and two ends of each transverse plate 17 are fixedly connected with the side walls of the corresponding cavity 5.
The milling support 8 is provided with a plurality of groups of jacks 10, a plurality of nut seats 4, a plurality of supporting bolts 11, four first positioning holes and two adjusting frames; the top 10 and the supporting bolt 11 are arranged to ensure the radial fixed support of the stator section 3, improve the radial support fixing effect of the stator section 3, prevent the radial deformation during processing and ensure the central symmetry of the stator section 3; the nut seat 4 is arranged for ensuring the fixed support of the stator section 3 in the longitudinal direction and preventing the longitudinal deviation of the stator section 3 during processing; the adjusting frame is arranged to ensure the stator section 3 to be fixed and supported transversely and prevent the stator section 3 from transversely deviating; meanwhile, first positioning holes are symmetrically formed in the corners of the milling support 8, and second positioning holes 6 corresponding to the first positioning holes are formed in the stator section 3, when the positioning pins 2 can penetrate through the first positioning holes and the second positioning holes 6, the whole installation and positioning conditions are met, and the stator section 3 can be machined.
The ejection heads 10 are uniformly, symmetrically and detachably connected to the front side and the rear side of the milling support 8, the ejection heads 10 are in contact with the inner wall of the cavity 5, fastening bolts 9 are further arranged among the ejection heads 10 in each group, the fastening bolts 9 are connected with the milling support 8 through a pressing plate 7, and the bottom surface of the pressing plate 7 is in contact with the outer wall of the cavity 5; the top head 10 comprises a top cover and a connecting rod, wherein the surface of one end of the connecting rod is provided with threads and is connected with the milling support 8, the other end of the connecting rod is integrally connected with a spheroid, and the spheroid is sleeved by the top cover and can rotate; the top head 10 can realize up-and-down adjustment on the milling support 8 through threads and realize effective support of the stator section 3 by the top cover through spherical angle adjustment of the spherical body; meanwhile, the pressing plate 7 is fully contacted with the outer wall of the stator section 3 by adjusting the fastening bolt 9, the supporting and fastening effects are improved by mutual supporting of the top 10 and the pressing plate 7, radial deviation or deformation generated during the processing of the stator section 3 is prevented, and further the central symmetry of the stator section 3 is ensured.
The supporting bolts 11 are uniformly and symmetrically connected to the left side and the right side of the milling support 8, and the supporting bolts 11 are contacted with the bottom surfaces of the left end part and the right end part of the stator section 3; the left end and the right end of the stator section 3 are supported and adjusted through the supporting bolts 11, so that the two ends of the stator section 3 are equal in height, the machining deformation is prevented, and the positioning is facilitated.
The nut seats 4 are uniformly and symmetrically connected to the milling support 8 through bolts; the nut seats 4 are symmetrically distributed on two sides of the transverse plate 17, each nut seat 4 comprises a supporting block 16, a clamping plate and a clamping bolt 12, the supporting blocks 16 are detachably connected with the milling support 8 through bolts, the supporting blocks 16 penetrate through the long holes, the clamping plates are fixedly connected with the tops of the supporting blocks 16, and the clamping bolts 12 penetrate through the clamping plates to be in contact with the transverse plate 17; the nut seats 4 are symmetrically arranged, the stator section 3 is fixed and clamped together, the transverse plate 17 is propped against the two clamping bolts 12 respectively, the stator section 3 can be prevented from offsetting in the longitudinal direction, supporting and fixing are improved, and processing is facilitated.
The adjusting frames are symmetrically connected to the middle points of the front end and the rear end of the milling support 8 through bolts; the adjusting frame comprises a bottom plate 14, two connecting blocks 15 and two adjusting bolts 13, the connecting blocks 15 are fixedly connected to the left end and the right end of the bottom plate 14 respectively, and the two adjusting bolts 13 are in contact with the side wall of the cavity 5 after penetrating through the connecting blocks 15 respectively; through set up the alignment jig in milling support 8 front and back both sides center department, support fixed stator section 3 cavity 55 lateral wall through adjusting bolt 13 at alignment jig both ends, can directly play and fix the horizontal ascending support of stator section 3, prevent that stator section 3 from taking place lateral shifting and influencing the machining precision.
The clamping method of the clamping device for machining the stator section comprises the following steps: firstly, placing a milling support at a proper position of a numerical control gantry milling workbench, correcting the milling support by using a dial indicator, fixing → flatly hanging a stator section at a proper position on the milling support → adjusting the stator section by using an adjusting bolt, a top and a supporting bolt, ensuring that a positioning pin can be smoothly inserted into a second positioning hole of the stator section and a first positioning hole of the milling support → pressing a pressing plate, simultaneously screwing a clamping bolt into the pressing plate and the milling support to clamp and fix the stator section → withdrawing the positioning pin, and enabling the stator section to enter a processing state.
In light of the above, the present invention is not limited to the above embodiments, and various changes and modifications can be made by the worker without departing from the scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides a stator segment machine tooling clamping device which characterized in that: the gantry milling machine comprises a gantry milling workbench (1), wherein a milling support (8) is detachably mounted on the upper surface of the gantry milling workbench (1), and a stator section (3) is mounted on the milling support (8); a plurality of concave cavities (5) are uniformly formed in the outer surface of the stator section (3), a plurality of uniformly distributed long holes and transverse plates (17) are arranged in the concave cavities (5), and two ends of each transverse plate (17) are fixedly connected with the side wall of each concave cavity (5); the milling support (8) is provided with a plurality of groups of jacks (10), a plurality of nut seats (4), a plurality of supporting bolts (11) and four first positioning holes; the ejection heads (10) are uniformly, symmetrically and detachably connected to the front side and the rear side of the milling support (8), the ejection heads (10) are in contact with the inner wall of the cavity (5), fastening bolts (9) are further arranged among each group of ejection heads (10), the fastening bolts (9) are connected with the milling support (8) through pressing plates (7), and the bottom surfaces of the pressing plates (7) are in contact with the outer wall of the cavity (5); the supporting bolts (11) are uniformly and symmetrically connected to the left side and the right side of the milling support (8), and the supporting bolts (11) are contacted with the bottom surfaces of the left end part and the right end part of the stator section (3); the nut seats (4) are uniformly and symmetrically connected to the milling support (8) through bolts; the middle points of the front end and the rear end of the milling support (8) are also symmetrically connected with an adjusting frame through bolts; the first positioning holes are symmetrically formed at four end corners of the milling support (8) respectively.
2. The stator segment machining clamping device of claim 1, wherein: the nut seats (4) are symmetrically distributed on two sides of the transverse plate (17), each nut seat (4) comprises a supporting block (16), a clamping plate and a clamping bolt (12), the supporting blocks (16) are detachably connected with the milling support (8) through bolts, the supporting blocks (16) penetrate through the long holes, the clamping plates are fixedly connected with the tops of the supporting blocks (16), and the clamping bolts (12) penetrate through the clamping plates to be in contact with the transverse plate (17).
3. The stator segment machining clamping device of claim 1, wherein: the adjusting frame comprises a bottom plate (14), two connecting blocks (15) and two adjusting bolts (13), the connecting blocks (15) are fixedly connected to the left end and the right end of the bottom plate (14) respectively, and the two adjusting bolts (13) penetrate through the connecting blocks (15) respectively and then contact with the side wall of the cavity (5).
4. The stator segment machining clamping device of claim 1, wherein: and a second positioning hole (6) corresponding to the first positioning hole is formed in the stator section (3), and the second positioning hole (6) is connected with the first positioning hole through the positioning pin (2).
5. The stator segment machining clamping device of claim 1, wherein: the top head (10) comprises a top cover and a connecting rod, the surface of one end of the connecting rod is threaded and is connected with the milling support (8), the other end of the connecting rod is integrally connected with a spherical body, and the spherical body is sleeved by the top cover and can rotate.
6. The stator segment machining clamping device of claim 1, wherein: the milling support (8) is installed on the gantry milling workbench (1) through bolts, and the top of the milling support (8) is in an upward arched arc shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021029264.7U CN212665484U (en) | 2020-06-08 | 2020-06-08 | Stator segment machining clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021029264.7U CN212665484U (en) | 2020-06-08 | 2020-06-08 | Stator segment machining clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212665484U true CN212665484U (en) | 2021-03-09 |
Family
ID=74822028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021029264.7U Active CN212665484U (en) | 2020-06-08 | 2020-06-08 | Stator segment machining clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212665484U (en) |
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2020
- 2020-06-08 CN CN202021029264.7U patent/CN212665484U/en active Active
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