CN112045346A - Web assembly quality - Google Patents
Web assembly quality Download PDFInfo
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- CN112045346A CN112045346A CN202010637786.3A CN202010637786A CN112045346A CN 112045346 A CN112045346 A CN 112045346A CN 202010637786 A CN202010637786 A CN 202010637786A CN 112045346 A CN112045346 A CN 112045346A
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- web
- positioning
- sleeve
- plates
- assembled
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- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000005755 formation reaction Methods 0.000 claims 1
- 238000003466 welding Methods 0.000 description 39
- 238000000034 method Methods 0.000 description 17
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 230000035882 stress Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a web assembling device, which is used for assembling a web to be assembled on a sleeve, the assembling device is circular in outline and comprises a plurality of groups of first positioning plates and a plurality of groups of second positioning plates, wherein: the first positioning plate and the second positioning plate are of ring-sector structures with the same inner ring radius; the multiple groups of first positioning plates are mechanically connected with the multiple groups of second positioning plates to form a circular outline of the assembling device; the inner contours of the first positioning plate and the second positioning plate comprise a plurality of groove groups matched with the shapes and the assembly positions of the to-be-assembled web plates, each groove group comprises at least one groove, and the total number of the grooves is the same as that of the to-be-assembled web plates and is uniformly distributed on the circumference. The multi-group amplitude plates are assembled in place at the same time, the assembly efficiency is guaranteed, and meanwhile, all index parameters are guaranteed to be the same.
Description
Technical Field
The invention relates to the field of machine manufacturing, in particular to a web assembling device.
Background
As shown in fig. 1, on a bracket component of a large direct current propulsion motor, a plurality of groups of webs (2) are uniformly distributed along the axis of a sleeve (1). Usually, these webs include two kinds, i.e. left and right, and web i (2a) and web ii (2b) are distributed diagonally on the frame member sleeve, as shown in fig. 2, which shows the component structure of web (2). The weld groove between the amplitude plate (2) and the sleeve (1) is large, the amplitude plate (2) is fully welded along the length direction, and the requirement on the symmetry degree between the amplitude plates (2) in each amplitude plate group is 1.5.
In the actual assembling and welding process, the part size of the web (2) is large, the requirements on the size precision and the weld quality during assembling are high, and the welding workload is also large; in addition, the number of the webs (2) generally comprises a plurality of groups, each web group is required to be symmetrical along the respective central line, each web group is required to be axially distributed along the central line of the sleeve part, and the requirements of the two symmetries are difficult to guarantee simultaneously. Thus, there is a certain difficulty in the process of solder assembly.
Moreover, the welding groove reserved for the web (2) is large, the welding flux can be filled more, and the contact part of the web (2) and the sleeve (1) is fully welded inside and outside, but the requirement on the parallelism of the central line of the web group and the central line of the sleeve is high due to the fact that parts are long, the heat deformation of a plurality of groups of web groups is difficult to control simultaneously in the welding process to meet the requirement of a drawing, and a testing device for assembling the parts is also lacked in the market.
Disclosure of Invention
The invention provides a web assembly device which can simultaneously complete the assembly of each group of webs in one-time clamping.
A web assembly device for assembling a web to be assembled on a sleeve, the assembly device being circular in profile and comprising a plurality of sets of first location plates and a plurality of sets of second location plates, wherein:
the first positioning plate and the second positioning plate are of ring-sector structures with the same inner ring radius;
the multiple groups of first positioning plates are mechanically connected with the multiple groups of second positioning plates to form a circular outline of the assembling device;
the inner contours of the first positioning plate and the second positioning plate comprise a plurality of groove groups matched with the shapes and the assembly positions of the to-be-assembled web plates, each groove group comprises at least one groove, and the total number of the grooves is the same as that of the to-be-assembled web plates and is uniformly distributed on the circumference.
Furthermore, the first positioning plate and the second positioning plate are mutually spaced and are in threaded connection through a fixing screw, a washer and a nut in a stepped overlapping mode to form a group of flange disc positioning structures.
Further, the device comprises two sets of flange disc positioning structures.
The web assembling device is arranged in the sleeve from a straight section along the sleeve shaft and is used for controlling the axial balance of the first positioning plate and the second positioning plate.
Further, the web assembling device is fixed on the sleeve through a sleeve conical section.
The positioning block is arranged on the web positioning hole of the sleeve conical section and used for positioning the web to be assembled during assembly.
Further, the thickness of the first positioning plate and the second positioning plate is 30 millimeters.
Furthermore, every two of the to-be-assembled webs form a group, and each group is symmetrical along the diameter axis of the sleeve.
Further, the to-be-assembled web plates are obliquely distributed on the sleeve, and the assembling angle of the to-be-assembled web plates and the sleeve is 111.5 degrees.
The assembly process breaks through the traditional symmetrical assembly or sequential assembly mode, the multiple groups of amplitude plates are assembled in place at the same time by adopting the tool clamp and clamping at one time, the assembly efficiency is ensured, the same index parameters of each group of amplitude plate groups after assembly are ensured, and the strength of the tool also ensures that the welding deformation is controlled within the index range. In addition, the circular profile can bring certain convenience to welding operation, rolling welding is realized, and the lifting frequency of the product is reduced.
Drawings
FIG. 1 is a schematic view of a web and sleeve to be assembled in accordance with the present invention;
FIG. 2 is a schematic view of a web component according to the present invention;
FIG. 3 is a schematic view of the assembly structure of the web assembling apparatus of the present invention;
FIG. 4 is a schematic diagram of a first positioning plate and a second positioning plate according to the present invention;
FIG. 5 is a schematic view of a fixing rod according to the present invention;
FIG. 6 is a schematic view of a positioning block according to the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and the detailed description.
Example one
In the present embodiment, a web assembly apparatus is provided for assembling a web (2) to be assembled on a sleeve (1), as shown in fig. 3, the assembly apparatus has a circular outline and comprises a plurality of sets of first positioning plates (3) and a plurality of sets of second positioning plates (4), wherein:
the first positioning plate (3) and the second positioning plate (4) are of ring-sector structures with the same inner ring radius;
the multiple groups of first positioning plates (3) are mechanically connected with the multiple groups of second positioning plates (4) to form a circular outline of the assembling device;
the inner contours of the first positioning plate (3) and the second positioning plate (4) comprise a plurality of groove groups matched with the shape and the assembly position of the web (2) to be assembled, each groove group comprises at least one groove, and the total number of the grooves is the same as that of the web (2) to be assembled and is uniformly distributed on the circumference.
In one embodiment of the invention, shown in figure 3, the web assembly means comprises a plurality of sets of first location plates (3) and a plurality of sets of second location plates (4), as shown in figure 4, the first location plates (3) and the second location plates (4) are both in the shape of ring sectors having the same internal diameter. The sum of the central angles of all the positioning plates is equal to 360 degrees so as to form a circular structure of the assembling device.
The inner side of the positioning plate is provided with a groove, the size, the shape and the position of the groove are matched with the assembly position of the web (2) on the sleeve (1), and after the positioning plate is combined into the assembly device, the total number of the grooves is consistent with the total number of the webs (2) to be assembled so as to be used for fixing the webs (2) in an assembly mode.
Specifically, every two webs (2) of the webs to be assembled form a group, and each group is symmetrical along the diameter axis of the sleeve. Preferably, the plurality of groups of spoke sets are distributed along the center of the sleeve (1) part in a centrosymmetric way.
According to the unique appearance structures of the sleeve to be assembled and the web plate and the assembly welding experience, the overall appearance of the device is defined as a circular outline, and the rolling operation of welding is facilitated. When guaranteeing that every group of panel group can the equipartition around the sleeve, in order to be convenient for can dismantle the device from a support group smoothly after the assembly welding is accomplished, do not influence the whole size and the outward appearance surface quality of whole support group simultaneously. The single-fan positioning plate is divided into a first positioning plate (3) and a second positioning plate (4).
In an alternative embodiment, the first positioning plate (3) and the second positioning plate (4) are mutually spaced and are in stepped overlapping connection through a fixing screw (5), a washer (6) and a nut (7) in a threaded connection mode to form a group of flange disc positioning structures.
Namely, the joint of the first positioning plate (3) and the second positioning plate (4) is stepped, the first positioning plate and the second positioning plate (4) can be lapped at different positions of the upper position and the lower position through screws, and the first positioning plate (3) and the second positioning plate (4) can be fixedly connected together through fixing screws (5), washers (6) and nuts (7). The first positioning plates (3) and the second positioning plates (4) are mutually overlapped to form a flange disc structure. The locating plate adopts the ladder overlap joint form to carry out set screw and connects, can solve the inconvenient problem of assembly because machining error causes at locating plate edge effectively.
In an alternative embodiment, the flange disc positioning structure further comprises a fixing rod (8), the fixing rod (8) is mechanically connected with the flange disc positioning structure, and the web assembling device is installed into the sleeve (1) from a straight section along the sleeve shaft and used for controlling the axial balance of the first positioning plate (3) and the second positioning plate (4).
The fixing rod (8) can ensure that the central lines of the first positioning plate (3) and the second positioning plate (4) can be on the same straight line, and meanwhile, the assembling hole positions of the left spoke plate group and the right spoke plate group are kept on the same plane, and the structure is shown in fig. 5. The fixing rod (8) can effectively avoid axial deflection of the left and right positioning plates caused by the assembling process, and can also control the whole welding deformation stress of the web plate in the welding process.
Further, during the assembly of the web, the web assembly device is fixed on the sleeve (1) through a sleeve conical section. Preferably, as shown in fig. 6, the web assembling device further comprises a positioning block (9), and the positioning block (9) is arranged on a web positioning hole of the sleeve conical section and used for positioning the web (2) to be assembled during assembling.
The positioning block (9) can reduce the use of measuring adjustment measuring tools for many times, the assembly work efficiency is improved, according to the structural characteristics of products, the positioning block (9) is not integrally assembled with the device, the positioning block (9) is placed on one side close to the conical cylinder according to the position of each group of the webs (2) after the device is assembled and molded, and the placing position can ensure that the size is accurately positioned after the webs (2) are placed into the device. The whole device can be withdrawn conveniently after the assembly is finished, and the structural size of the whole device is not influenced.
The amplitude plate assembly device can be used for assembling large, uniformly distributed and high-precision bracket group amplitude plate parts, breaks through the traditional symmetrical assembly or sequential assembly mode in the assembly process, adopts a tool fixture and clamps at one time to realize the simultaneous assembly of a plurality of amplitude plates of a plurality of groups of amplitude plate groups in place, not only ensures the assembly efficiency, but also ensures that all index parameters of each group of amplitude plate groups after assembly are the same, and the strength of the tool also ensures that the welding deformation is controlled within an index range. In addition, the circular profile can bring certain convenience to welding operation, rolling welding is realized, and the lifting frequency of the product is reduced.
Example two
The embodiment is a specific implementation method provided by combining the practical situation on the basis of the first embodiment.
In the embodiment, the upper webs (2) of the bracket component of the large direct current propulsion motor (TD1) of a certain product are uniformly distributed along the axis of the sleeve (1), and the total number is 12. The width plate (2) is 790mm long and 30mm thick, and is divided into a left part and a right part. Preferably, the web (2) to be assembled is distributed obliquely on the sleeve (1) and has an assembly angle of 111.5 degrees with the sleeve (1). During welding, the web (2) is fully welded along the length direction, and the number of welding seams is 72 in total. The symmetry between the webs (2) in each web group is required to be 1.5.
On the basis of the first embodiment, the web assembling device in the embodiment can realize the simultaneous assembling of 12 groups of webs of 24 web assemblies in place. In particular, the inner profile of the first positioning plate (3) and of the second positioning plate (4) comprises 24 grooves, corresponding to the number of webs (2) to be assembled.
Preferably, in one embodiment, the web assembly means may comprise two sets of first location plates (3) and two sets of second location plates (4), each having a central angle of 90 °, alternately connected to the flange discs constituting the circular configuration.
Furthermore, in the aspect of controlling the welding deformation of the bracket group amplitude plates, the thickness of each first positioning plate (3) and the thickness of each second positioning plate (4) are designed to be 30mm, so that the overall strength requirement of the device can be increased, and the influence on the overall structure size of the device due to the thermal stress generated in the welding process of 12 groups of amplitude plates is avoided.
Preferably, in the embodiment, the device comprises 8 fixing rods (8) for controlling the axial balance of the first positioning plate (3) and the second positioning plate (4). The diameter of dead lever (8) is for getting 50mm, and length is 890mm, can effectively avoid the locating plate like this because the axial deflection that the assembling process caused, also can control the whole welding deformation stress of web welding process simultaneously.
In order to realize that 12 sets of the webs can be assembled in place at one time and guarantee the requirement of the size of 185 +/-2, in an optional implementation mode of the embodiment, the web assembling device further comprises a positioning block (9), the positioning block (9) is not integrally assembled with the device and is only used for placing the positioning block (9) at the side close to the cone cylinder according to the position of each set of the webs (2) after the device is assembled and formed, and the placing position can guarantee that the size 185 is accurately positioned after the webs (2) are placed in the device. The whole device can be withdrawn conveniently after the assembly is finished, and the structural size of the whole device is not influenced.
When assembling, firstly, a first positioning plate (3) and a second positioning plate (4) are connected into a group of flange disc outlines by using a fixing screw (5), a gasket (6) and a nut (7), and two groups are obtained; then, adopting a fixing rod (8), a washer (6) and a nut (7) to combine the outlines of the two groups of flange discs into a set of device; the device is axially arranged in the sleeve (1) from the straight section along the sleeve, and the device is fixed on the sleeve (1) by means of the conical section of the sleeve; then, a positioning block (9) is placed on the assembly platform at a position close to the positioning hole of the device amplitude plate at the cone section; the web I (2a) and the web II (2b) are sequentially embedded into the device and well contacted with the positioning block (9).
After the steps are completed, the web (2) and the sleeve (1) can be subjected to spot welding, the device and the component are integrally lifted to a welding area for welding, after the welding is completed, the bracket component is cooled to room temperature, the device is disassembled, then the procedures of cleaning welding slag of the component, polishing and the like are carried out, and the assembly is completed.
Through the introduction of the embodiment, the invention designs a set of special device for assembling the bracket group breadth plates, overcomes the technical problem of forming a uniform distribution and high-precision large part product by a rivet welding process, breaks through the method for sequentially assembling the uniform distribution parts in the traditional process, and realizes one-time clamping to ensure that the technical parameters of each group breadth plate group can meet the drawing requirements.
In the aspect of the disassembly of the device after the bracket web assembly welding is finished, the single-fan web positioning plate is designed into a split 1/4 structure. The connecting screws are connected into a circular structure, so that the utilization rate of raw material plates of the device in the manufacturing process can be increased, and meanwhile, after the welding is finished, the device can be easily taken out from the bracket assembly web plate through practice operation, and the whole size structure of the bracket is not influenced.
According to the invention, the two sets of the web positioning plates are connected by the fixing rod, so that the web hole positions assembled by the two web positioning plates can be completely overlapped, the linearity requirement of the assembly of the web on the sleeve body is ensured, and the deformation torque stress to the web parts in the welding process of the multiple sets of web groups can be controlled to a great extent.
In addition, the overall structure of the device is designed to be a circular flange type, welding sequences of each group of the amplitude plate groups and each amplitude plate are arranged, double-face symmetrical staggered welding is adopted, and welding thermal deformation is further controlled by utilizing a reverse deformation principle. In addition, the circular flange type brings convenience to actual welding operation of parts, 360-degree rotary rolling welding can be realized, the use amount and manpower of hoisting equipment are reduced, and the welding operation and product forming efficiency are improved.
In order to ensure the efficiency of assembly and reduce the use of measuring instruments as much as possible, the positioning block is designed according to specific dimensions. In practice, this dimension is difficult to measure and assemble with dedicated measuring instruments. The design locating plate is an independent part, can guarantee the restraint size of the end part of the web at one time, is convenient to withdraw, and can be used for positioning only by guaranteeing the stability of the web in the device.
Due to the fact that the shape structure of the support group is complex, the requirement on the precision of the assembling and positioning size of the spoke group in a design drawing is high, and meanwhile, a proper measuring tool is difficult to adopt for inspection. The device can be used in the assembling and welding process, and can be used as a metering inspection tool for secondary use after welding. And certain assembly sizes which are difficult to measure or sizes which are difficult to use are detected, so that the integral structural size of the bracket group is further ensured to meet the design requirements of drawings.
It will be apparent to those skilled in the art that the present invention is not limited to the details of the foregoing exemplary embodiments, and that other variations and modifications may be made to these embodiments without departing from the spirit or essential characteristics of the invention.
Various modifications and alterations of this invention may be made by those skilled in the art without departing from the spirit and scope of this invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A web assembly device for assembling a web to be assembled on a sleeve, the assembly device being circular in profile and comprising a plurality of sets of first locating plates and a plurality of sets of second locating plates, wherein:
the first positioning plate and the second positioning plate are of ring-sector structures with the same inner ring radius;
the multiple groups of first positioning plates are mechanically connected with the multiple groups of second positioning plates to form a circular outline of the assembling device;
the inner contours of the first positioning plate and the second positioning plate comprise a plurality of groove groups matched with the shapes and the assembly positions of the to-be-assembled web plates, each groove group comprises at least one groove, and the total number of the grooves is the same as that of the to-be-assembled web plates and is uniformly distributed on the circumference.
2. The web assembly apparatus of claim 1 wherein the first retainer plate and the second retainer plate are spaced apart and joined in a stepped overlapping arrangement with set screws, washers and nuts threaded to form a set of flange disc retainers.
3. A web assembly apparatus as claimed in claim 2, wherein said apparatus includes two sets of said flange disc locating formations.
4. The web assembly apparatus of claim 2, further comprising a securing rod mechanically coupled to the flange disc positioning structure to load the web assembly apparatus into the sleeve from a straight section along a sleeve axis for controlling axial balance of the first positioning plate and the second positioning plate.
5. The web assembly apparatus of claim 1 wherein the web assembly apparatus is secured to the sleeve by a sleeve taper.
6. The web assembling apparatus according to claim 5, further comprising a positioning block, wherein the positioning block is disposed on the web positioning hole of the sleeve taper section for positioning during assembling of the web to be assembled.
7. The web assembly apparatus of claim 1 wherein the first and second locator plates have a thickness of 30 mm.
8. The web assembly apparatus of claim 1 wherein two webs per web to be assembled are in a group, each group being symmetric along the diametric axis of the sleeve.
9. The web assembly device of claim 1, wherein the web to be assembled is diagonally distributed on the sleeve at an assembly angle of 111.5 ° to the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010637786.3A CN112045346B (en) | 2020-07-02 | 2020-07-02 | Web assembly quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010637786.3A CN112045346B (en) | 2020-07-02 | 2020-07-02 | Web assembly quality |
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| Publication Number | Publication Date |
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| CN112045346A true CN112045346A (en) | 2020-12-08 |
| CN112045346B CN112045346B (en) | 2024-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010637786.3A Active CN112045346B (en) | 2020-07-02 | 2020-07-02 | Web assembly quality |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE897639A (en) * | 1982-09-01 | 1984-02-29 | Westinghouse Electric Corp | Device for joining by welding gate and sleeves |
| CN202344167U (en) * | 2011-11-25 | 2012-07-25 | 南车株洲电机有限公司 | Welding tool used between motor spindle and rib plate |
| CN107570935A (en) * | 2017-09-12 | 2018-01-12 | 山东华力电机集团股份有限公司 | A kind of rotor former apparatus for welding and positioning |
| CN207261384U (en) * | 2017-09-27 | 2018-04-20 | 中车株洲电机有限公司 | A kind of detachable anchor ear rotating device of electric machine stator iron |
| CN212420267U (en) * | 2020-07-02 | 2021-01-29 | 山西汾西重工有限责任公司 | Web assembly quality |
-
2020
- 2020-07-02 CN CN202010637786.3A patent/CN112045346B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE897639A (en) * | 1982-09-01 | 1984-02-29 | Westinghouse Electric Corp | Device for joining by welding gate and sleeves |
| CN202344167U (en) * | 2011-11-25 | 2012-07-25 | 南车株洲电机有限公司 | Welding tool used between motor spindle and rib plate |
| CN107570935A (en) * | 2017-09-12 | 2018-01-12 | 山东华力电机集团股份有限公司 | A kind of rotor former apparatus for welding and positioning |
| CN207261384U (en) * | 2017-09-27 | 2018-04-20 | 中车株洲电机有限公司 | A kind of detachable anchor ear rotating device of electric machine stator iron |
| CN212420267U (en) * | 2020-07-02 | 2021-01-29 | 山西汾西重工有限责任公司 | Web assembly quality |
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| Publication number | Publication date |
|---|---|
| CN112045346B (en) | 2024-10-11 |
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