CN211414081U - Impeller clamping and positioning device and laser welding device - Google Patents
Impeller clamping and positioning device and laser welding device Download PDFInfo
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- CN211414081U CN211414081U CN201921699808.8U CN201921699808U CN211414081U CN 211414081 U CN211414081 U CN 211414081U CN 201921699808 U CN201921699808 U CN 201921699808U CN 211414081 U CN211414081 U CN 211414081U
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Abstract
The utility model discloses an impeller clamping and positioning device and a laser welding device, which comprises a supporting component, a workpiece positioning component and a pressing component; the supporting assembly is used for supporting the workpiece positioning assembly and the pressing assembly; the workpiece positioning assembly comprises a lower cover plate profiling surface and a hub positioning piece; the profiling surface of the lower cover plate is used for positioning and supporting the lower cover plate of the impeller; the hub positioning piece is used for positioning the impeller hub and the impeller upper cover plate; the pressing assembly is used for pressing the impeller lower cover plate, the impeller hub and the impeller upper cover plate which are positioned on the workpiece positioning assembly. Through work piece locating component with impeller semi-manufactured goods and impeller wheel hub fix a position, positioning accuracy is high, will treat the machined part through compressing tightly the subassembly convenience and fix, improves the stability of course of working and the precision of processing, uses through work piece locating component and the cooperation that compresses tightly the subassembly, has improved the efficiency of clamping.
Description
Technical Field
The utility model belongs to the technical field of laser welding, especially, relate to tight positioner of impeller clamp and laser welding device.
Background
The impeller is an important part of the pump, and the size and the precision of the impeller directly influence the mechanical property, the working efficiency and the service life of the pump.
The impeller mainly has three structural forms: closed, semi-closed and open impellers. The closed impeller is widely applied to a centrifugal pump with high lift and high efficiency due to the characteristic of high efficiency. The blades of the centrifugal pump impeller are of a cylindrical type and a space twisted type, and the centrifugal pump impeller adopts the space twisted type blades, so that the load of the blades can be reduced, the suction performance of the centrifugal pump can be improved, and the cavitation erosion resistance of the centrifugal pump can be improved.
The closed impeller is composed of an impeller upper plate, an impeller lower plate, blades and a hub, and in the traditional process, the closed impeller is formed by precision casting, so that the manufacturing cost is high, the production efficiency is low, and the closed impeller with a small water outlet size is difficult to cast.
In order to solve the technical problems existing in the closed impeller manufactured by the traditional process, the prior art provides a technical scheme that an upper impeller plate, a lower impeller plate and blades are welded into a whole by adopting a method of cutting, stamping and stretching and then welding to form a complete closed impeller, the problem that the closed impeller with a small water outlet size cannot be manufactured due to the casting process is solved, and the geometric precision and the surface finish of the welded impeller (the impeller manufactured by adopting the welding process) are superior to those of the cast impeller (the impeller manufactured by adopting the casting process), so that the application of the welded impeller is beneficial to improving the efficiency of a centrifugal pump. At present, a welded impeller is widely applied to a special centrifugal pump for chemical engineering made of a metal material with poor casting performance.
The impeller welding method comprises a traditional impeller welding method and a laser welding method, the traditional impeller welding method mainly comprises three welding methods of argon arc welding, resistance welding and capacitance energy storage welding, when the impeller is welded by the traditional welding method, the welding difficulty is high, and the problems of dislocation, deformation, rough welding line, large internal stress and the like are easily caused in the welding process, so that the smoothness of fluid passing through the blades is influenced, the service life of the impeller is further shortened, and the efficiency of the centrifugal pump is further reduced. The laser welding method has the characteristics of small heat affected zone, no need of filling metal materials, non-contact welding, small influence caused by space limitation, easiness in high-speed welding by computer control and the like, so that compared with the traditional welding method for welding the impeller, the laser welding method for welding the impeller has the advantages of good welding quality, large fusion depth, firm welding, low heat input quantity, small workpiece deformation, high welding efficiency, attractive weld joint forming, convenience in realizing automatic production and the like. Specifically, when the impeller is welded by the laser welding method, the welding track can be accurately specified through computer control, so that the accurate welding of the spatial position of the blade can be realized.
However, the existing laser welding of the impeller still has defects in specific application, the impeller needs to be positioned and clamped before being welded, but the existing clamping and positioning device for the impeller is complex in clamping, low in efficiency, difficult to guarantee in welding precision and high in rejection rate.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the clamping and positioning device for the impeller and the laser welding device are provided for solving the problems that the existing clamping and positioning device for the impeller is complex in clamping, low in efficiency and difficult to guarantee welding precision.
In order to solve the technical problem, an embodiment of the present invention provides an impeller clamping and positioning device, which includes a supporting assembly, a workpiece positioning assembly, and a pressing assembly;
the supporting assembly is used for supporting the workpiece positioning assembly and the pressing assembly;
the workpiece positioning assembly comprises a lower cover plate profiling surface and a hub positioning piece; the profiling surface of the lower cover plate is used for positioning and supporting the lower cover plate of the impeller; the hub positioning piece is used for positioning the impeller hub and the impeller upper cover plate;
the pressing assembly is used for pressing the impeller lower cover plate, the impeller hub and the impeller upper cover plate which are positioned on the workpiece positioning assembly.
Optionally, the lifting device further comprises a lifting assembly, wherein the lifting assembly comprises a lifting rod, and the lifting rod is used for lifting the processed impeller lower cover plate, the impeller hub and the impeller upper cover plate.
Optionally, the workpiece positioning assembly further comprises a lower cover plate positioning member, a positioning ring and a positioning support member;
the positioning support is arranged at the bottom of the lower cover plate positioning piece;
the lower cover plate positioning piece is provided with a first through hole and a first profiling surface, and the positioning ring is arranged on the positioning support and accommodated in the first through hole;
a second profiling surface is arranged on the positioning ring, and the first profiling surface and the second profiling surface are combined to form the profiling surface of the lower cover plate;
the ring hole of the positioning ring is used for positioning the flange of the lower cover plate of the impeller;
the hub positioning piece is arranged on the positioning support piece;
and a second through hole for the jacking rod to pass through is further formed in the lower cover plate positioning piece.
Optionally, the jacking assembly further comprises a jacking plate and a first driving member for driving the jacking plate to move up and down, and the jacking rod is arranged on the jacking plate.
Optionally, the pressing assembly includes an upper cover plate pressing plate, a pressing member and a second driving member, and the upper cover plate pressing plate is used for pressing the upper cover plate of the impeller; an avoidance groove for avoiding laser of the welded impeller is arranged on the upper cover plate pressing plate; the compressing piece is arranged at the output end of the second driving piece and can compress the upper cover plate pressing plate under the driving of the second driving piece.
Optionally, the relief groove is contoured to the shape of the impeller blade.
Optionally, a chamfer is arranged on the avoiding groove.
Optionally, the pressing pieces and the second driving pieces are arranged in multiple groups and distributed along the circumferential direction of the upper cover plate pressing plate;
the second driving piece is a corner cylinder.
Optionally, a positioning rod is arranged on the supporting assembly, and a positioning groove matched with the positioning rod is arranged on the upper cover plate pressing plate.
Optionally, the blade positioning device further comprises a radial positioning assembly, wherein the radial positioning assembly comprises a first fixing seat, a sliding rail arranged on the first fixing seat, and a blade positioning piece arranged on the sliding rail in a sliding manner; under the action of external force, the blade positioning piece slides along the slide rail to extend into the space between two adjacent blades on the lower cover plate of the impeller and is in contact with and positions the blades.
Optionally, the supporting assembly includes a bottom plate and a first supporting member disposed on the bottom plate, the workpiece positioning assembly is disposed on the first supporting member, and the pressing assembly, the jacking assembly and the radial positioning assembly are respectively disposed on the bottom plate.
On the other hand, the utility model also provides a laser welding device, include as above the laser head that tight positioner of impeller clamp and be used for welding workpiece.
The embodiment of the utility model provides an impeller presss from both sides tight positioner and laser welding device, simple structure easily operates, fixes a position impeller semi-manufactured goods and impeller wheel hub through work piece locating component, and positioning accuracy is high, and the location is convenient, and it fixes to treat the machined part through compressing tightly the subassembly convenience, improves the stability of course of working, has further improved the precision of processing, uses through work piece locating component and the cooperation that compresses tightly the subassembly, has improved the efficiency of clamping.
Drawings
Fig. 1 is a schematic structural view of an impeller clamping and positioning device according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the impeller clamp positioning device of FIG. 1;
FIG. 3 is a cross-sectional view of the workpiece positioning assembly of FIG. 1 positioning a workpiece;
FIG. 4 is a cross-sectional view of the workpiece positioning assembly of FIG. 1 without a workpiece positioned thereon;
FIG. 5 is an exploded view of the impeller clamping and positioning device of FIG. 1;
FIG. 6 is a schematic structural view of the jacking assembly of FIG. 1;
FIG. 7 is a schematic view of the radial positioning assembly of FIG. 1;
fig. 8 is a schematic structural view of an impeller to be clamped by the impeller clamping and positioning device in fig. 1.
The reference numerals in the specification are as follows:
1. a support assembly; 11. a base plate; 12. a first support;
2. a workpiece positioning assembly; 21. a lower cover plate positioning piece; 211. a first through hole; 212. a first contoured surface; 213. a second through hole; 22. a positioning ring; 221. a second contoured surface; 23. a positioning support; 231. a first positioning portion; 24. a hub locating member; 241. a positioning part; 242. a limiting part;
3. a compression assembly; 31. an upper cover plate pressing plate; 311. an avoidance groove; 312. positioning a groove; 32. a compression member; 33. a second driving member; 34. positioning a rod; 35. a cylinder fixing seat;
4. a jacking assembly; 41. a jacking rod; 42. a jacking plate; 43. a first driving member;
5. a radial positioning assembly; 51. a first fixed seat; 52. a slide rail; 53. a blade positioning member; 54. a slider; 55. a handle; 56. a stopper;
6. an impeller; 61. an impeller lower cover plate; 611. a flange; 62. an impeller hub; 621. a shoulder; 63. and an upper cover plate of the impeller.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1-2, an impeller clamping and positioning device provided by an embodiment of the present invention includes a supporting assembly 1, a workpiece positioning assembly 2, and a pressing assembly 3;
the supporting assembly 1 is used for supporting the workpiece positioning assembly 2 and the pressing assembly 3;
the workpiece positioning component 2 comprises a lower cover plate profiling surface and a hub positioning piece 24; the lower cover plate profiling surface is used for positioning and supporting the impeller lower cover plate 61; the hub positioning piece 24 is used for positioning the impeller hub 62 and the impeller upper cover plate 63;
the pressing component 3 is used for pressing an impeller lower cover plate 61, an impeller hub 62 and an impeller upper cover plate 63 which are positioned on the workpiece positioning component 2;
in an embodiment, as shown in fig. 1-2, the impeller clamping and positioning device further includes a jacking assembly 4, the jacking assembly 4 includes a jacking rod 41, and the jacking rod 41 is used for jacking up the processed impeller lower cover plate 61, the impeller hub 62 and the impeller upper cover plate 63. Finished products after processing are jacked up through the jacking assembly 4, materials are conveniently taken, and production efficiency is improved.
When the device is used, firstly, the semi-finished impeller and the impeller hub 62 are placed on the workpiece positioning component 2 for positioning, then the impeller upper cover plate 63 is sleeved outside the impeller hub 62, and the impeller upper cover plate 63 is pressed on the impeller blades through the pressing component 3, so that the impeller upper cover plate 63, the impeller hub 62 and the impeller blades are welded together by laser. The impeller upper cover plate 63 is provided with a mounting hole for mounting the impeller hub 62, so that the impeller upper cover plate 63 is sleeved outside the impeller hub 62, and when the impeller hub 62 and the impeller upper cover plate 63 are welded, the outer wall of the impeller hub 62 and the impeller upper cover plate 63 are welded together. After the impeller upper cover plate 63, the impeller hub 62 and the semi-finished impeller are welded together, the pressing assembly 3 loosens the impeller upper cover plate 63, and the finished impeller is directly jacked up and taken away through the jacking assembly 4. Wherein, as shown in fig. 8, the utility model discloses the impeller semi-manufactured goods that indicate include apron 61 under the impeller and the impeller blade of welding on apron 61 under the impeller, the utility model is suitable for a location to impeller semi-manufactured goods, impeller wheel hub 62 and impeller upper cover plate 63 is pressed from both sides tightly to conveniently weld impeller upper cover plate 63, impeller wheel hub 62 and impeller semi-manufactured goods together, produce the impeller finished product.
The embodiment of the utility model provides an impeller presss from both sides tight positioner, simple structure easily operates, fixes a position impeller semi-manufactured goods and impeller wheel hub 62 through work piece locating component 2, and positioning accuracy is high, and the location is convenient, and it is fixed to treat the machined part through compressing tightly subassembly 3 convenience, improves the stability of course of working, has further improved the precision of processing, uses through work piece locating component 2 and the cooperation that compresses tightly subassembly 3, has improved the efficiency of clamping.
In one embodiment, as shown in fig. 2-5, the workpiece positioning assembly 2 further comprises a lower cover plate positioning member 21, a positioning ring 22, and a positioning support member 23;
the positioning support 23 is arranged at the bottom of the lower cover plate positioning piece 21;
the lower cover plate positioning part 21 is provided with a first through hole 211 and a first profiling surface 212, and the positioning ring 22 is arranged on the positioning support 23 and is accommodated in the first through hole 211;
the positioning ring 22 is provided with a second contoured surface 221, and the first contoured surface 212 and the second contoured surface 221 form a lower cover plate contoured surface;
the annular hole of the positioning ring 22 is used for positioning the flange 611 of the lower impeller cover plate 61;
the hub positioning piece 24 is arranged on the positioning support piece 23;
the lower cover plate positioning member 21 is further provided with a second through hole 213 through which the lifting rod 41 passes.
When the semi-finished impeller is positioned, the flange 611 of the lower impeller cover plate 61 is positioned in the annular hole of the positioning ring 22, at this time, the lower impeller cover plate 61 is positioned and supported by the lower cover plate profiling surface formed by combining the first profiling surface 212 and the second profiling surface 221, the hub positioning piece 24 penetrates through the hole site of the semi-finished impeller (the hole site of the semi-finished impeller is of a structure which the impeller has itself), the impeller hub 62 is sleeved on the hub positioning piece 24 for positioning, the upper impeller cover plate 63 is sleeved outside the impeller hub 62 and supported by the impeller blades, and the upper impeller cover plate 63 is pressed on the semi-finished impeller by the pressing component 3, so that the upper impeller cover plate 63 is tightly attached to the impeller blades and the impeller hub 62, so that the upper impeller cover plate 63 is welded to the impeller blades and the impeller hub 62 by laser. After the impeller upper cover plate 63, the impeller hub 62 and the semi-finished impeller are welded together, the pressing assembly 3 loosens the impeller upper cover plate 63, and the jacking rod 41 in the jacking assembly 4 penetrates through the second through hole 213 to jack up the welded finished impeller directly so as to facilitate blanking.
Specifically, as shown in fig. 4, the positioning support 23 is provided with a first positioning portion 231 which is matched with the inner wall of the first through hole 211 and the outer wall of the positioning ring 22 for guiding, when the positioning support 23 is installed at the bottom of the lower cover plate positioning member 21, the first positioning portion 231 is located in the first through hole 211, the first positioning portion 231 plays a role in guiding and positioning for the installation of the positioning support 23, and when the positioning ring 22 is installed on the positioning support 23, the first positioning portion 231 plays a role in guiding and positioning for the installation of the positioning ring 22, which facilitates the installation of the positioning support 23 and the positioning ring 22.
Specifically, as shown in fig. 3, the hub positioning element 24 includes a positioning portion 241 and a limiting portion 242, when positioning the impeller hub 62, the impeller hub 62 is sleeved on the positioning portion 241 and supported by the limiting portion 242, the positioning portion 241 plays a role of limiting radial displacement of the impeller hub 62, and the limiting portion 242 plays a role of limiting axial downward displacement of the impeller hub 62.
Specifically, the impeller hub 62 is provided with a shoulder 621, and when the impeller upper cover plate 63 is placed, the impeller upper cover plate 63 is supported by the impeller blades and the shoulder 621.
Preferably, the inner ring edge of the positioning ring 22 is provided with a fillet so that the impeller lower cover plate 61 is positioned on the positioning ring 22, and the outer wall edge of the positioning portion 241 of the hub positioning member 24 is provided with a fillet so that the impeller hub 62 is positioned on the hub positioning member 24.
Wherein, the workpiece positioning assembly 2 can also be a component, that is, the lower cover plate positioning member 21, the positioning ring 22, the positioning support member 23 and the hub positioning member 24 are integrally formed as a part, which is not limited herein.
In an embodiment, as shown in fig. 5, the second through holes 213 are provided in a plurality and uniformly distributed along the circumferential direction of the lower cover plate positioning member 21. Each second through hole 213 is correspondingly provided for a jacking rod 41 to pass through, and the jacking rod 41 acts on the impeller lower cover plate 61 to eject the welded impeller finished product, so that the jacking stress is uniform.
Preferably, each lifting rod 41 is correspondingly arranged below one impeller blade, so that the stress strength is improved, and the finished impeller is prevented from being damaged during the ejection.
In one embodiment, as shown in fig. 6, the jacking assembly 4 further comprises a jacking plate 42 and a first driving member 43 for driving the jacking plate 42 to move up and down, and the jacking rod 41 is disposed on the jacking plate 42. The first driving member 43 drives the lifting plate 42 to move up and down to drive the lifting rod 41 to move up and down, so as to eject the finished impeller.
Preferably, the end of the lifting rod 41 is provided with a scratch-proof layer, and the scratch-proof layer is made of flexible material to prevent scratching the impeller when the finished impeller is lifted.
In one embodiment, as shown in FIG. 6, the first drive member 43 is a push rod cylinder. The lifting plate 42 is disposed on the piston rod of the push rod cylinder, and when the piston rod extends out, the lifting rod 41 is driven to lift up the impeller product, and when the piston rod contracts, the lifting rod 41 is driven to descend for resetting. Simple structure and quick response.
In one embodiment, as shown in fig. 1 and 2, the pressing assembly 3 includes an upper cover plate pressing plate 31, a pressing member 32, and a second driving member 33, wherein the upper cover plate pressing plate 31 is used for pressing the impeller upper cover plate 63; an avoidance groove 311 for avoiding the laser of the welded impeller 6 is arranged on the upper cover plate pressing plate 31; the pressing member 32 is disposed at the output end of the second driving member 33, and can press the upper cover pressing plate 31 under the driving of the second driving member 33. After the impeller upper cover plate 63 is sleeved outside the impeller hub 62 and supported by the impeller blades, the upper cover plate pressing plate 31 is pressed on the impeller upper cover plate 63, and the second driving member 33 drives the pressing member 32 to press the upper cover plate pressing plate 31, so that the impeller upper cover plate 63 is tightly attached to the impeller blades and the impeller hub 62, and the impeller upper cover plate 63 is conveniently welded with the impeller blades and the impeller hub 62 by laser.
Preferably, the shape of the escape groove 311 follows the shape of the impeller blade, and the upper cover platen 31 is sufficiently used while avoiding the laser beam for welding.
Preferably, the avoiding groove 311 is provided with a chamfer, so that the shielding gas is not obstructed during welding, and the welding precision is improved.
During welding, the outer wall of the impeller hub 62 and the contact part of the impeller upper cover plate 63 are melted by laser, so that the impeller hub 62 and the impeller upper cover plate 63 are welded, the part of the impeller upper cover plate 63 corresponding to the impeller blade is melted by the laser, the contact part of the impeller blade and the impeller upper cover plate 63 is melted, the impeller blade and the impeller upper cover plate 63 are welded, and the impeller upper cover plate 63, the impeller hub 62 and the impeller semi-finished product are welded together.
In one embodiment, as shown in fig. 1, the pressing members 32 and the second driving members 33 are provided in multiple sets and distributed along the circumferential direction of the upper cover plate pressing plate 31; so that the force is uniformly applied when the upper cover platen 31 is pressed.
The second driving member 33 is an angle cylinder, and the pressing member 32 is disposed at an output end of the angle cylinder. The corner cylinder is a driving element well known to those skilled in the art, and therefore the principle and the specific structure of the corner cylinder are not described herein, when the upper cover plate pressing plate 31 needs to be pressed, the piston rod of the corner cylinder drives the pressing member 32 thereon to rotate above the upper cover plate pressing plate 31 and drive the pressing member to descend to the upper cover plate pressing plate 31, when the upper cover plate pressing plate 31 needs to be loosened, the piston rod of the corner cylinder drives the pressing member 32 thereon to ascend away from the upper cover plate pressing plate 31 and drive the pressing member to rotate to one side of the upper cover plate pressing plate 31 to avoid the upper cover plate pressing plate 31, so that the jacking assembly 4 jacks up the impeller finished product and the upper cover plate pressing plate 31 for blanking.
Of course, the upper cover plate pressing plate 31 may be removed first and then the impeller product may be jacked up.
In one embodiment, as shown in fig. 1, the support assembly 1 is provided with positioning rods 34, and the upper cover plate 31 is provided with positioning slots 312 engaged with the positioning rods 34. When the upper cover plate pressing plate 31 presses the impeller upper cover plate 63, the positioning rod 34 and the positioning groove 312 are matched for positioning, so that the impeller upper cover plate 63 can be placed at the same position at each time, the installation is convenient, and the welding precision is also improved.
In an embodiment, as shown in fig. 1 and 7, the impeller clamping and positioning device further includes a radial positioning assembly 5, the radial positioning assembly 5 includes a first fixing seat 51, a sliding rail 52 disposed on the first fixing seat 51 and a blade positioning member 53 slidably disposed on the sliding rail 52, the blade positioning member 53 slides along the sliding rail 52 to extend into a space between two adjacent blades on the impeller lower cover plate 61 under the action of an external force and contacts with the positioning blades, and after the positioning and pressing assembly 3 presses the impeller upper cover plate 63, the blade positioning member 53 exits from the space between two adjacent blades under the action of the external force, so that the laser welding can be performed. Through the positioning of the blade positioning piece 53, when the semi-finished impeller is placed at each time, the placing positions are consistent, the positioning is convenient, and the welding precision is improved.
Specifically, a sliding block 54 is slidably disposed on the sliding rail 52, the vane positioning member 53 is fixedly disposed on the sliding block 54, a handle 55 is disposed on the vane positioning member 53 to facilitate the manual driving of the vane positioning member 53, and a stop is disposed on the first fixing seat 51 to prevent the vane positioning member 53 from falling out during the sliding process.
In one embodiment, as shown in fig. 1 and 5, the supporting assembly 1 includes a base plate 11 and a first supporting member 12 disposed on the base plate 11, the workpiece positioning assembly 2 is disposed on the first supporting member 12, and the pressing assembly 3, the jacking assembly 4 and the radial positioning assembly 5 are respectively disposed on the base plate 11.
Specifically, first support 12 has the chamber that holds, and lower apron setting element 21 is located on first support 12, and jacking subassembly 4 is located the chamber that holds of first support 12, and pressing components 3 evenly distributed is in the outside of first support 12, and radial positioning assembly 5 is located the outside of first support 12, and compact structure easily installs and removes.
Specifically, under the condition that the upper cover plate pressing plate 31 is set to be higher, in order to enable the compressing assembly 3 to work normally, the compressing assembly 3 further comprises an air cylinder fixing seat 35 arranged on the bottom plate 11, and the second driving part 33 is arranged on the air cylinder fixing seat 35.
On the other hand, the utility model also provides a laser welding device, include as above-mentioned impeller clamp locating device and be used for welding workpiece's laser head. And after the impeller clamping and positioning device clamps and positions the workpiece, laser welding the workpiece by a laser head in the laser welding device.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (11)
1. The impeller clamping and positioning device is characterized by comprising a supporting assembly, a workpiece positioning assembly and a pressing assembly;
the supporting assembly is used for supporting the workpiece positioning assembly and the pressing assembly;
the workpiece positioning assembly comprises a lower cover plate profiling surface and a hub positioning piece; the profiling surface of the lower cover plate is used for positioning and supporting the lower cover plate of the impeller; the hub positioning piece is used for positioning the impeller hub and the impeller upper cover plate;
the pressing assembly is used for pressing the impeller lower cover plate, the impeller hub and the impeller upper cover plate which are positioned on the workpiece positioning assembly.
2. The impeller clamping and positioning device according to claim 1, further comprising a jacking assembly, wherein the jacking assembly comprises a jacking rod, and the jacking rod is used for jacking the processed lower impeller cover plate, the processed impeller hub and the processed upper impeller cover plate.
3. The impeller clamping and positioning device of claim 2, wherein said workpiece positioning assembly further comprises a lower cover plate positioning member, a positioning ring and a positioning support member;
the positioning support is arranged at the bottom of the lower cover plate positioning piece;
the lower cover plate positioning piece is provided with a first through hole and a first profiling surface, and the positioning ring is arranged on the positioning support and accommodated in the first through hole;
a second profiling surface is arranged on the positioning ring, and the first profiling surface and the second profiling surface are combined to form the profiling surface of the lower cover plate;
the ring hole of the positioning ring is used for positioning the flange of the lower cover plate of the impeller;
the hub positioning piece is arranged on the positioning support piece;
and a second through hole for the jacking rod to pass through is further formed in the lower cover plate positioning piece.
4. The impeller clamping and positioning device as claimed in claim 2, wherein the jacking assembly further comprises a jacking plate and a first driving member for driving the jacking plate to move up and down, and the jacking rod is disposed on the jacking plate.
5. The impeller clamping and positioning device according to claim 1, wherein the pressing assembly comprises an upper cover plate pressing plate, a pressing member and a second driving member, and the upper cover plate pressing plate is used for pressing the upper cover plate of the impeller; an avoidance groove for avoiding laser of the welded impeller is arranged on the upper cover plate pressing plate; the compressing piece is arranged at the output end of the second driving piece and can compress the upper cover plate pressing plate under the driving of the second driving piece.
6. The impeller clamping locating device of claim 5, wherein said evasion groove is contoured to the shape of the impeller blades.
7. The impeller clamping and positioning device according to claim 5, wherein the pressing pieces and the second driving pieces are arranged in multiple groups and distributed along the circumferential direction of the upper cover plate pressing plate;
the second driving piece is a corner cylinder.
8. The impeller clamping and positioning device according to claim 5, wherein the supporting assembly is provided with a positioning rod, and the upper cover plate pressing plate is provided with a positioning groove matched with the positioning rod.
9. The impeller clamping and positioning device according to claim 2, further comprising a radial positioning assembly, wherein the radial positioning assembly comprises a first fixing seat, a slide rail arranged on the first fixing seat, and a vane positioning member slidably arranged on the slide rail; under the action of external force, the blade positioning piece slides along the slide rail to extend into the space between two adjacent blades on the lower cover plate of the impeller and is in contact with and positions the blades.
10. The impeller clamping and positioning device according to claim 9, wherein the support assembly comprises a base plate and a first support member disposed on the base plate, the workpiece positioning assembly is disposed on the first support member, and the pressing assembly, the jacking assembly and the radial positioning assembly are respectively disposed on the base plate.
11. A laser welding apparatus comprising the impeller clamping and positioning device according to any one of claims 1 to 10 and a laser head for welding a workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921699808.8U CN211414081U (en) | 2019-10-10 | 2019-10-10 | Impeller clamping and positioning device and laser welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921699808.8U CN211414081U (en) | 2019-10-10 | 2019-10-10 | Impeller clamping and positioning device and laser welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211414081U true CN211414081U (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921699808.8U Expired - Fee Related CN211414081U (en) | 2019-10-10 | 2019-10-10 | Impeller clamping and positioning device and laser welding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211414081U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114102028A (en) * | 2021-12-25 | 2022-03-01 | 常州凯度机电有限公司 | Welding tool for steam turbine partition plate |
| CN115781011A (en) * | 2022-11-09 | 2023-03-14 | 富鼎电子科技(嘉善)有限公司 | Laser welding device |
-
2019
- 2019-10-10 CN CN201921699808.8U patent/CN211414081U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114102028A (en) * | 2021-12-25 | 2022-03-01 | 常州凯度机电有限公司 | Welding tool for steam turbine partition plate |
| CN115781011A (en) * | 2022-11-09 | 2023-03-14 | 富鼎电子科技(嘉善)有限公司 | Laser welding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221013 Address after: 518000 No. 9988 Shennan Road, Nanshan District, Shenzhen, Guangdong Patentee after: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd. Patentee after: Shenzhen Han's Intelligent Welding Equipment Co.,Ltd. Address before: 518000 No. 9988 Shennan Road, Nanshan District, Shenzhen, Guangdong Patentee before: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd. Patentee before: HAN'S LASER SMART EQUIPMENT GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200904 |