CN117300523A - Automatic thermal assembly equipment for stator core - Google Patents
Automatic thermal assembly equipment for stator core Download PDFInfo
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- CN117300523A CN117300523A CN202311595467.0A CN202311595467A CN117300523A CN 117300523 A CN117300523 A CN 117300523A CN 202311595467 A CN202311595467 A CN 202311595467A CN 117300523 A CN117300523 A CN 117300523A
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- groove
- stator core
- press
- clamp
- supporting plate
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- 230000007246 mechanism Effects 0.000 claims abstract description 121
- 238000001514 detection method Methods 0.000 claims abstract description 49
- 238000010438 heat treatment Methods 0.000 claims abstract description 47
- 238000012546 transfer Methods 0.000 claims description 18
- 238000003825 pressing Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 230000005012 migration Effects 0.000 claims description 5
- 238000013508 migration Methods 0.000 claims description 5
- 230000003044 adaptive effect Effects 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 9
- 230000009471 action Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for
- B23P11/02—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits
- B23P11/025—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits by using heat or cold
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention provides automatic thermal assembly equipment for stator iron cores, which comprises the following components: the device comprises a frame, a press-fit device and a heating device; the press-fit device and the heating device are connected to the frame. The fixture and the first groove, the second groove and the first through hole on the first supporting plate are coaxially arranged, so that the concentricity of the stator core and the base is ensured, the structure is simple, the assembly is easy, and the assembly quality is ensured; temperature changes on the surface of the machine base during heating and before press fitting are detected through a temperature detection mechanism and a temperature sensor respectively, and the press fitting depth is accurately detected through a distance detection mechanism arranged below the inner cavity of the machine base, so that the preset assembly effect is achieved, and the assembly quality of the stator core and the machine base is improved.
Description
Technical Field
The invention relates to the field of motor production, in particular to automatic thermal assembly equipment for a stator core.
Background
In the production process of the motor, the stator core of the motor is often assembled with the motor base through a hot-charging technology. In the traditional stator core assembly, the concentricity of the stator core and the machine base is easily caused to be unqualified due to the fact that the machine base is difficult to position, so that the assembly is not in place, and the assembly quality of the stator core is affected; and the press fitting depth of equipment and the accurate temperature change of the machine base in the hot fitting process are difficult to detect, so that the shape and the size of the stator core are changed, the precision influence after assembly is large, and the product quality is further influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides automatic thermal assembly equipment for stator iron cores, so as to solve the technical problem of poor assembly quality of the existing thermal assembly equipment for stator iron cores.
In order to achieve the above purpose, the present invention proposes the following technical solutions:
an automated thermal assembly apparatus for a stator core, comprising: the device comprises a frame, a press mounting device, a heating device and a transfer device; the press-fitting device and the heating device are connected to the frame;
the press-fitting device includes: the device comprises a press, a clamp, a first supporting plate, a positioning mechanism, a distance detection mechanism and a temperature detection mechanism; the press is movably connected to the top of the frame, the clamp is fixedly connected to the bottom of the press, the first supporting plate is movably connected to the bottom of the frame, and the positioning mechanism is fixedly connected to the top of the first supporting plate; the positioning mechanism is used for placing the stand, the clamp is used for clamping the stator core, and the press is used for driving the clamp to be close to or far away from the positioning mechanism; the distance detection mechanism is used for detecting the pressing depth of the clamp, and the temperature detection mechanism is used for detecting the surface temperature of the base on the first supporting plate;
the transferring device is movably connected to the frame, is positioned between the first supporting plate and the clamp and is used for driving the stator core to move below the clamp so as to enable the clamp to clamp the stator core; the transfer device comprises: the device comprises a transfer plate, a fourth driving piece, two sliding rails and a bearing plate; the transfer plate is fixedly connected to the frame and is positioned between the first supporting plate and the clamp; the two sliding rails are arranged in parallel and fixedly connected with the transfer plate, the bearing plate is arranged between the two sliding rails and is connected with the sliding rails in a sliding manner, and the fourth driving piece drives the bearing plate to move on the sliding rails;
the first supporting plate is provided with a first through hole, and the top and the bottom of the positioning mechanism are respectively provided with a first groove and a second groove; the first groove, the second groove and the first through hole are communicated, the centers of the first groove, the second groove and the first through hole and the center of the clamp are all positioned on the same axis, and the distance detection mechanism is positioned below the first through hole; the diameter of the second groove is smaller than that of the first through hole and that of the first groove, the first groove is used for being clamped with the outer wall of the heated machine base, the first groove is adaptive to the appearance of the machine base, a placement space is formed between the first groove and the second groove, the diameter of the second groove is consistent with the outer diameter of the stator core, and the second groove is used for exposing the stator core so that the distance between the distance detection mechanism and the stator core can be detected without shielding by the distance detection mechanism.
Wherein, the pressure equipment device still includes: a first lifting mechanism; the first jacking mechanism is movably connected to the bottom of the frame and used for driving the first supporting plate to reach a specified height.
Wherein, first climbing mechanism includes: the connecting plate and the first driving piece; the first supporting plate is fixedly connected to the connecting plate, and the first driving piece is used for driving the connecting plate to execute lifting motion.
The bottom of the first supporting plate is provided with a connecting groove, the connecting plate is provided with a corresponding connecting protrusion, and the connecting protrusion is clamped with the connecting groove.
Wherein, the pressure equipment device still includes: a support mechanism; the supporting mechanism is used for supporting the connecting plate in the press fitting process.
Wherein, the supporting mechanism includes: a horizontal driving member and a pushing block; the bottom swing joint of ejector pad in the bottom of frame, the top butt in the bottom of connecting plate, horizontal driving piece is used for the drive the ejector pad horizontal migration, in order to butt or dodge the connecting plate.
Wherein the heating device comprises: a heating chamber and a second lifting mechanism; the second jacking mechanism is movably connected to the bottom of the frame, the heating chamber is fixedly connected to the frame and is located right above the second jacking mechanism, and the second jacking mechanism is used for driving the machine base to enter or leave the heating chamber.
Wherein, the heating chamber is internally provided with an electric heating wire and a temperature sensor; the heating wire is used for heating the engine base, and the temperature sensor is used for measuring the temperature of the surface of the engine base.
Wherein the heating device further comprises: a second pallet; the second supporting plate is fixedly connected to the top of the second jacking mechanism; the second supporting plate is provided with a boss which is used for being clamped with the inner cavity of the machine base.
Compared with the prior art, the invention has the beneficial effects that: the fixture and the first groove, the second groove and the first through hole on the first supporting plate are coaxially arranged, so that the concentricity of the stator core and the base is ensured, the structure is simple, the assembly is easy, and the assembly quality is ensured; the temperature change of the surface of the machine seat during heating and before press fitting is detected through the temperature detection mechanism and the temperature sensor, the machine seat is arranged between the first groove and the second groove through the cooperation of the first groove, the second groove and the distance detection mechanism, the second groove does not shield the distance detection mechanism, the distance detection mechanism can detect the position of the stator core in a non-shielding mode, the heights of the distance detection mechanism and the bottom of the machine seat are the heights of the first through hole and the second groove, and therefore the press fitting depth of the stator core can be calculated conveniently and accurately only by detecting the distance between the stator core and the distance detection mechanism, the preset assembly effect is achieved, and the assembly quality of the stator core and the machine seat is improved; through removing the loading board to make the loading board be located the anchor clamps below or dodge the anchor clamps, and then make the anchor clamps clamp get stator core or push down stator core, avoided anchor clamps horizontal migration, prevented anchor clamps skew frame center, ensured the concentricity of frame and stator core.
The foregoing description is only an overview of the present invention, and is intended to be more clearly understood as being carried out in accordance with the following description of the preferred embodiments, as well as other objects, features and advantages of the present invention.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an automated thermal assembly device for stator cores according to the present invention;
fig. 2 is a schematic structural diagram of a press and a fixture of an automated thermal assembly device for stator cores according to the present invention;
fig. 3 is a schematic structural diagram of a press-fitting device of an automatic thermal assembly device for stator cores according to the present invention;
fig. 4 is a schematic connection diagram of a stand and a positioning mechanism of an automatic thermal assembly device for stator core according to the present invention;
fig. 5 is a schematic structural diagram of a positioning mechanism of an automatic stator core thermal assembly device according to the present invention;
fig. 6 is a schematic diagram of the bottom structure of a first pallet of an automated stator core thermal assembly apparatus according to the present invention;
fig. 7 is a schematic structural diagram of a first lifting mechanism and a supporting mechanism of an automatic stator core thermal assembly device according to the present invention;
fig. 8 is a schematic structural diagram of a heating device of an automated stator core thermal assembly apparatus according to the present invention;
fig. 9 is a schematic structural diagram of a transfer device of an automated thermal assembly apparatus for stator core according to the present invention.
Reference numerals:
1. a frame;
2. a press-fitting device; 21. a press; 211. a second driving member; 212. a driving plate; 213. a slide bar; 214. a third driving member; 215. pressing the plate; 22. a clamp; 221. a clamping ring; 222. a core; 23. a first pallet; 231. a first through hole; 232. a connecting groove; 24. a positioning mechanism; 241. a first groove; 242. a second groove; 2421. a flow passage hole; 25. a mounting rod; 26. a temperature detection mechanism; 27. a first lifting mechanism; 271. a connecting plate; 2711. a second through hole; 2712. a connection protrusion; 2713. a support rod; 272. a first driving member; 273. a support column; 274. a support plate; 2741. a mounting rod; 28. a support mechanism; 281. a horizontal driving member; 282. a pushing block;
3. a heating device; 31. a heating chamber; 311. heating wires; 312. a temperature sensor; 32. a second lifting mechanism; 33. a second pallet; 331. a boss;
4. a transfer device; 41. a transfer plate; 42. a fourth driving member; 43. a slide rail; 44. a carrying plate;
5. and a base.
Detailed Description
The present invention will be described in further detail with reference to the drawings and the detailed description, in order to make the objects, technical solutions and advantages of the present invention more apparent.
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It will be further understood that the terms "comprises" and/or "comprising," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1-9, the present embodiment provides an automated thermal assembly apparatus for a stator core, comprising: a frame 1, a press-fitting device 2, a heating device 3 and a transfer device 4; the press-fitting device 2 and the heating device 3 are connected to the frame 1;
the press-fitting device 2 includes: a press 21, a clamp 22, a first pallet 23, a positioning mechanism 24, a distance detection mechanism and a temperature detection mechanism 26; the press 21 is movably connected to the top of the frame 1, the clamp 22 is fixedly connected to the bottom of the press 21, the first supporting plate 23 is movably connected to the bottom of the frame 1, and the positioning mechanism 24 is fixedly connected to the top of the first supporting plate 23; the positioning mechanism 24 is used for placing the stand 5, the clamp 22 is used for clamping the stator core, and the press 21 is used for driving the clamp 22 to be close to or far away from the positioning mechanism 24; the distance detection mechanism is used for detecting the pressing depth of the clamp 22, and the temperature detection mechanism 26 is used for detecting the surface temperature of the base 5 on the first supporting plate 23;
the transferring device 4 is movably connected to the frame 1 and is located between the first supporting plate 23 and the clamp 22, and is used for driving the stator core to move below the clamp 22 so that the clamp 22 clamps the stator core; the transfer device 4 includes: a transfer plate 41, a fourth driving member 42, two slide rails 43, and a carrying plate 44; the transfer plate 41 is fixedly connected to the frame 1 and is positioned between the first supporting plate 23 and the clamp 22; the two sliding rails 43 are arranged in parallel and fixedly connected to the transfer plate 41, the bearing plate 44 is erected between the two sliding rails 43 and is connected to the sliding rails 43 in a sliding manner, and the fourth driving piece 42 drives the bearing plate 44 to move on the sliding rails 43;
the first supporting plate 23 is provided with a first through hole 231, and the top and the bottom of the positioning mechanism 24 are respectively provided with a first groove 241 and a second groove 242; the first groove 241, the second groove 242 and the first through hole 231 are communicated, the centers of the first groove 241, the second groove 242 and the first through hole 231 and the center of the clamp 22 are all positioned on the same axis, and the distance detection mechanism is positioned below the first through hole 231; the diameter of the second groove 242 is smaller than that of the first through hole 231 and the first groove 241, the first groove 241 is used for being clamped with the outer wall of the heated stand 5, the first groove 241 is adaptive to the appearance of the stand 5, a placement space is formed between the first groove 241 and the second groove 242, the diameter of the second groove 242 is consistent with the outer diameter of the stator core, and the second groove 242 is used for exposing the stator core so that the distance between the distance detection mechanism and the stator core can be detected without shielding by the distance detection mechanism.
In the present embodiment, the diameters of the first groove 241 and the second groove 242 are the minimum diameters of the first groove 241 and the second groove 242, respectively, i.e. the structure of the first groove 241 adapted to the outward protrusion of the housing 5 is omitted.
In practical application, the motor base 5 is heated by the heating device 3, then moves to the upper part of the first supporting plate 23, is placed in the first groove 241, and detects the temperature of the surface of the motor base 5 in real time through the temperature detection mechanism 26; after the stator iron core is clamped by the clamp 22 and the standby seat 5 is lowered to the preset temperature, the press 21 moves down to the upper side of the seat 5, the stator iron core on the clamp 22 is pressed into the seat 5, the distance between the distance detection mechanism and the stator iron core is detected in real time by the distance detection mechanism, the press mounting depth of the press 21 is determined, after the specified press mounting depth is reached, the press 21 moves up, the clamp 22 moves away from the seat 5, the seat 5 contracts after contacting the stator iron core with relatively low temperature so as to hold the stator iron core tightly, and the assembly of the stator iron core and the seat 5 is completed.
The loading device 4 is matched with the clamp 22, so that the stator core is loaded. The stator core is placed on the bearing plate 44, the fourth driving piece 42 drives the bearing plate 44 to move to the lower part of the clamp 22, and the clamp 22 moves downwards to clamp the stator core; after the fixture 22 clamps the stator core, the fourth driving member 42 drives the bearing plate 44 away from the lower part of the fixture 22, so that a pressing space is reserved for the fixture 22. The bearing plate 44 moves horizontally, the clamp 22 only moves up and down, the clamp 22 is prevented from deviating from the vertical axis, and concentricity of the stator core and the machine base 5 is ensured.
The automatic thermal assembly equipment for stator core of this embodiment makes the frame place between first recess 241 and second recess 242 through the cooperation of first recess 241, second recess 242 and distance detection mechanism, makes second recess 242 not shelter from distance detection mechanism, and then makes distance detection mechanism can not shelter from the position that detects stator core, and the height of distance detection mechanism and frame bottom is the height of first through-hole 231 and second recess 242, therefore only need detect the distance between stator core and the distance detection mechanism, just can make things convenient for accurate calculation stator core's pressure equipment degree of depth to reach preset assembly effect, improved stator core and frame assembly quality.
The automatic thermal assembling equipment for the stator core is suitable for assembling the stator core of a new energy motor and the base 5, and the base 5 can be an aluminum housing base 5. The clamp 22 only moves up and down under the action of the press 21 and is arranged right above the positioning mechanism 24, the first groove 241 of the positioning mechanism 24 is clamped with the outer wall of the machine base 5, so that the position deviation of the machine base 5 in the press mounting process is avoided, the concentricity of the stator core and the machine base 5 is ensured, and the assembly quality is ensured.
Preferably, the distance detection mechanism is a laser displacement sensor and the temperature detection mechanism 26 is a contact temperature sensor. The laser displacement sensor is positioned below the first through hole 231, is fixed with the distance from the base 5, and is communicated with the first groove 241, the second groove 242 and the first through hole 231, so that the displacement of the stator core can be detected by the laser displacement sensor, and the press-fitting depth of the stator core is determined by monitoring the displacement in real time; the contact type temperature sensor is directly contacted with the surface of the stand 5, so that the temperature of the stand 5 can be accurately obtained, and the change of the temperature can be monitored in real time.
Preferably, the contact type temperature sensor is a double-probe contact type temperature sensor and is used for simultaneously detecting two positions on the surface of the stand 5, so that the measurement accuracy is ensured.
Preferably, the first groove 241 is adapted to the outer shape of the housing 5, the second groove 242 has a diameter corresponding to the outer diameter of the stator core, and the top of the second groove 242 is provided with a flow passage hole 2421 corresponding to the flow passage of the housing 5. Because the diameter of the second groove 242 is smaller than that of the first groove 241, a placing space is formed between the first groove 241 and the second groove 242 for placing the stand 5, when the stand 5 is placed on the positioning mechanism 24, the bottom is not closed, and ventilation is performed under the action of the second groove 242, the runner hole 2421 and the first through hole 231, so that natural cooling can be performed.
In an embodiment, the press-fitting device 2 further comprises: a first lifting mechanism 27; the first lifting mechanism 27 is movably connected to the bottom of the frame 1, and is used for driving the first supporting plate 23 to reach a specified height. A certain height is arranged between the first supporting plate 23 and the clamp 22, so that an operation space is reserved for mounting the stator core on the clamp 22; the distance detection mechanism and the press 21 have limited pressing distance, and the first jacking mechanism 27 can adjust the distance between the first supporting plate 23 and the clamp 22, so that the distance detection mechanism can detect the position change of the stator core, and the press 21 can contact the clamp 22 with the stand 5 and press the stator core.
In one embodiment, the first jacking mechanism 27 includes: the connection plate 271 and the first driving member 272; the first supporting plate 23 is fixedly connected to the connecting plate 271, and the first driving member 272 is used for driving the connecting plate 271 to perform lifting motion.
Preferably, the first jacking mechanism 27 further includes: a plurality of support posts 273 and support plates 274; the first driving part 272 is fixedly connected to the bottom of the frame 1, the supporting plate 274 is fixedly connected to the output end of the first driving part 272, and two ends of the supporting column 273 are respectively connected to the connecting plate 271 and the supporting plate 274; the first driving member 272 is a cylinder. The first driving member 272 drives the supporting plate 274 to perform a lifting action, the supporting plate 274 drives the supporting column 273 to move up and down, the supporting column 273 drives the connecting plate 271 to move up and down, the connecting plate 271 drives the first supporting plate 23 to move up and down, and the first supporting plate 23 drives the stand 5 to move up and down. The support column 273 and the support plate 274 facilitate smooth movement of the connection plate 271.
Preferably, the connection plate 271 is provided with a second through hole 2711 corresponding to the first through hole 231. The second through hole 2711 enables the bottom of the first supporting plate 23 to be not closed, so that ventilation and heat dissipation of the stand 5 are facilitated.
Preferably, the temperature detecting mechanism 26 is fixedly connected to one side of the support plate 274 near the connection plate 271, the temperature detecting mechanism 26 is connected to the support plate 274 by a mounting rod 25, and the mounting rod 25 makes the height of the temperature detecting mechanism 26 close to the middle of the stand 5, so that the temperature detecting mechanism 26 moves up and down along with the stand 5 and can contact the surface of the stand 5.
Preferably, the mounting rod 25 is connected to the temperature detecting mechanism 26 through a cylinder. The cylinder drives the temperature detection mechanism 26 to extend or retract to contact or be away from the housing 5.
In an embodiment, the bottom of the first supporting plate 23 is provided with a connecting groove 232, and the connecting plate 271 is provided with a corresponding connecting protrusion 2712, and the connecting protrusion 2712 is clamped with the connecting groove 232. The first supporting plate 23 is firmly connected with the connecting plate 271 through the cooperation of the connecting protrusion 2712 and the connecting groove 232, and the connecting protrusion 2712 and the connecting groove 232 facilitate the disassembly, the assembly and the replacement of the first supporting plate 23.
In an embodiment, the press-fitting device 2 further comprises: a support mechanism 28; the support mechanism 28 is used to support the connection plate 271 during press fitting. The connecting plate 271 is movably connected to the frame 1, and the supporting mechanism 28 is used as a hard support in the process of pressing the stator core by the press 21, so that the situation that the stator core and the stand 5 are assembled in place due to the fact that the connecting plate 271 is pressed down by the press 21 is avoided.
In one embodiment, the support mechanism 28 includes: a horizontal driving piece 281 and a push block 282; the bottom of push block 282 swing joint is in the bottom of frame 1, and the top butt is in the bottom of connecting plate 271, and horizontal drive piece 281 is used for driving push block 282 horizontal migration to butt or dodge connecting plate 271. Before the press-fitting process, after the first supporting plate 23 is lifted to a specified height by the first lifting mechanism 27, the horizontal driving piece 281 drives the push block 282 to approach and abut against the connecting plate 271, and press-fitting work is started after the abutting is completed; after the press fitting is completed, the horizontal driving member 281 drives the push block 282 away from the connecting plate 271, so that the connecting plate 271 can move up and down under the action of the first driving member 272.
Preferably, the bottom of the connection plate 271 is further provided with a support rod 2713. The push block 282 can abut against the bottom of the support rod 2713 to abut against the connecting plate 271, so that the support mechanism 28 can support the connecting plate 271 to a certain height.
Preferably, the press 21 comprises: a second driving piece 211, a driving plate 212, a sliding rod 213, a third driving piece 214 and a pressing plate 215; the second driving piece 211 is fixedly connected to the top of the frame 1, and the driving plate 212 is arranged below the second driving piece 211, is connected to the sliding rod 213 in a sliding manner and is propped against the output end of the second driving piece 211; the slide bar 213 is vertically and fixedly connected to the frame 1, and the second driving piece 211 drives the driving plate 212 to slide on the slide bar 213; the third driving piece 214 is fixedly connected to the driving plate 212, the pressing plate 215 is arranged below the driving plate 212 and is connected with the output end of the third driving piece 214, and the third driving piece 214 drives the pressing plate 215 to execute lifting action; the clamp 22 is fixedly connected to one side of the pressing plate 215 away from the driving plate 212, and the pressing plate 215 drives the clamp 22 to move up and down under the action of the third driving piece 214; the second driving member 211 is a combination of a servo motor and a vertical screw rod, and the third driving member 214 is a cylinder.
Preferably, the clamp 22 comprises: a clamp ring 221 and a clamp core 222; the clamping ring 221 is fixedly connected to the bottom of the pressing plate 215, the clamping core 222 is disposed at the center of the clamping ring 221, and a clamping space matched with the stator core is formed between the clamping ring 221 and the clamping core 222. The clamping ring 221 is adapted to the outer shape of the stator core, the clamping core 222 is a cylindrical member, and the stator core is stably connected to the clamping space through pneumatic expansion.
In one embodiment, the heating device 3 comprises: a heating chamber 31 and a second lifting mechanism 32; the second jacking mechanism 32 is movably connected to the bottom of the frame 1, the heating chamber 31 is fixedly connected to the frame 1, and is located right above the second jacking mechanism 32, and the second jacking mechanism 32 is used for driving the machine base 5 to enter or leave the heating chamber 31. The second lifting mechanism 32 lifts the stand 5 into the heating chamber 31, and starts the heating chamber 31 to heat the stand 5 to a specified temperature.
Preferably, the structure of the second lifting mechanism 32 is identical to that of the first lifting mechanism 27.
In one embodiment, heating wire 311 and temperature sensor 312 are disposed in heating chamber 31; the heating wire 311 is used for heating the housing 5, and the temperature sensor 312 is used for measuring the temperature of the surface of the housing 5. After the temperature sensor 312 detects that the housing 5 reaches a certain temperature, the heating wire 311 stops heating.
Preferably, the temperature sensor 312 is a dual-probe contact type temperature sensor for simultaneously detecting two positions of the surface of the housing 5 in the heating chamber 31, so as to ensure the accuracy of measurement.
In an embodiment, the heating device 3 further comprises: a second pallet 33; the second supporting plate 33 is fixedly connected to the top of the second jacking mechanism 32; the second supporting plate 33 is provided with a boss 331, and the boss 331 is used for being clamped with the inner cavity of the stand 5; the boss 331 is in the shape of a circular truncated cone. The boss 331 prevents the stand 5 from being displaced while following the up-and-down movement of the second supporting plate 33, and ensures stable ascending and descending of the stand 5. The boss 331 and the first groove 241 limit the inner cavity and the outer wall of the stand 5 respectively according to the principles of thermal expansion and cold contraction, so that the stand 5 is prevented from being damaged due to limiting, and the assembly of the stator core is prevented from being affected.
In one embodiment, the fourth driver 42 is a cylinder.
According to the automatic thermal assembly equipment for the stator core, the concentricity of the stator core and the base is guaranteed through the fixture and the first groove, the second groove and the first through hole on the first supporting plate, and the automatic thermal assembly equipment is simple in structure, easy to assemble and capable of guaranteeing the assembly quality; the temperature change of the surface of the machine seat during heating and before press fitting is detected through the temperature detection mechanism and the temperature sensor, the machine seat is arranged between the first groove and the second groove through the cooperation of the first groove, the second groove and the distance detection mechanism, the second groove does not shield the distance detection mechanism, the distance detection mechanism can detect the position of the stator core in a non-shielding mode, the heights of the distance detection mechanism and the bottom of the machine seat are the heights of the first through hole and the second groove, and therefore the press fitting depth of the stator core can be calculated conveniently and accurately only by detecting the distance between the stator core and the distance detection mechanism, the preset assembly effect is achieved, and the assembly quality of the stator core and the machine seat is improved; through removing the loading board to make the loading board be located the anchor clamps below or dodge the anchor clamps, and then make the anchor clamps clamp get stator core or push down stator core, avoided anchor clamps horizontal migration, prevented anchor clamps skew frame center, ensured the concentricity of frame and stator core.
The foregoing examples are provided to further illustrate the technical contents of the present invention for the convenience of the reader, but are not intended to limit the embodiments of the present invention thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the invention is subject to the claims.
Claims (9)
1. An automated thermal assembly apparatus for a stator core, comprising: the device comprises a frame, a press mounting device, a heating device and a transfer device; the press-fitting device and the heating device are connected to the frame;
the press-fitting device includes: the device comprises a press, a clamp, a first supporting plate, a positioning mechanism, a distance detection mechanism and a temperature detection mechanism; the press is movably connected to the top of the frame, the clamp is fixedly connected to the bottom of the press, the first supporting plate is movably connected to the bottom of the frame, and the positioning mechanism is fixedly connected to the top of the first supporting plate; the positioning mechanism is used for placing the stand, the clamp is used for clamping the stator core, and the press is used for driving the clamp to be close to or far away from the positioning mechanism; the distance detection mechanism is used for detecting the pressing depth of the clamp, and the temperature detection mechanism is used for detecting the surface temperature of the base on the first supporting plate;
the transferring device is movably connected to the frame, is positioned between the first supporting plate and the clamp and is used for driving the stator core to move below the clamp so as to enable the clamp to clamp the stator core; the transfer device comprises: the device comprises a transfer plate, a fourth driving piece, two sliding rails and a bearing plate; the transfer plate is fixedly connected to the frame and is positioned between the first supporting plate and the clamp; the two sliding rails are arranged in parallel and fixedly connected with the transfer plate, the bearing plate is arranged between the two sliding rails and is connected with the sliding rails in a sliding manner, and the fourth driving piece drives the bearing plate to move on the sliding rails;
the first supporting plate is provided with a first through hole, and the top and the bottom of the positioning mechanism are respectively provided with a first groove and a second groove; the first groove, the second groove and the first through hole are communicated, the centers of the first groove, the second groove and the first through hole and the center of the clamp are all positioned on the same axis, and the distance detection mechanism is positioned below the first through hole; the diameter of the second groove is smaller than that of the first through hole and that of the first groove, the first groove is used for being clamped with the outer wall of the heated machine base, the first groove is adaptive to the appearance of the machine base, a placement space is formed between the first groove and the second groove, the diameter of the second groove is consistent with the outer diameter of the stator core, and the second groove is used for exposing the stator core so that the distance between the distance detection mechanism and the stator core can be detected without shielding by the distance detection mechanism.
2. The automated stator core assembly apparatus of claim 1, wherein the press-fit device further comprises: a first lifting mechanism; the first jacking mechanism is movably connected to the bottom of the frame and used for driving the first supporting plate to reach a specified height.
3. The automated stator core assembly apparatus of claim 2, wherein the first jacking mechanism comprises: the connecting plate and the first driving piece; the first supporting plate is fixedly connected to the connecting plate, and the first driving piece is used for driving the connecting plate to execute lifting motion.
4. The automated stator core assembly equipment of claim 3, wherein a connecting groove is formed in the bottom of the first supporting plate, corresponding connecting protrusions are arranged on the connecting plate, and the connecting protrusions are clamped with the connecting groove.
5. The automated stator core assembly apparatus of claim 4, wherein the press-fit device further comprises: a support mechanism; the supporting mechanism is used for supporting the connecting plate in the press fitting process.
6. The automated stator core assembly apparatus of claim 5, wherein the support mechanism comprises: a horizontal driving member and a pushing block; the bottom swing joint of ejector pad in the bottom of frame, the top butt in the bottom of connecting plate, horizontal driving piece is used for the drive the ejector pad horizontal migration, in order to butt or dodge the connecting plate.
7. The automated stator core assembly apparatus of claim 6, wherein the heating device comprises: a heating chamber and a second lifting mechanism; the second jacking mechanism is movably connected to the bottom of the frame, the heating chamber is fixedly connected to the frame and is located right above the second jacking mechanism, and the second jacking mechanism is used for driving the machine base to enter or leave the heating chamber.
8. The automated stator core assembly apparatus of claim 7, wherein heating wires and temperature sensors are disposed within the heating chamber; the heating wire is used for heating the engine base, and the temperature sensor is used for measuring the temperature of the surface of the engine base.
9. The automated stator core assembly apparatus of claim 8, wherein the heating device further comprises: a second pallet; the second supporting plate is fixedly connected to the top of the second jacking mechanism; the second supporting plate is provided with a boss which is used for being clamped with the inner cavity of the machine base.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311595467.0A CN117300523B (en) | 2023-11-28 | 2023-11-28 | Automatic thermal assembly equipment for stator core |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311595467.0A CN117300523B (en) | 2023-11-28 | 2023-11-28 | Automatic thermal assembly equipment for stator core |
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| CN117300523A true CN117300523A (en) | 2023-12-29 |
| CN117300523B CN117300523B (en) | 2024-03-08 |
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| CN111786522A (en) * | 2020-08-10 | 2020-10-16 | 重庆福瑞斯自动化设备股份有限公司 | Motor stator hot-assembling equipment |
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| CN216851677U (en) * | 2022-01-05 | 2022-06-28 | 浙江巨力电机成套设备有限公司 | Press-fitting assembly of stator aluminum shell hot-pressing equipment |
| CN116260294A (en) * | 2023-05-15 | 2023-06-13 | 长沙锐博特科技有限公司 | Automatic press-fitting equipment for automobile motor stator |
| CN116728084A (en) * | 2023-08-16 | 2023-09-12 | 苏州猎奇智能设备有限公司 | Automatic assembling equipment and method for motor rotor balance plate and stop ring |
| CN116961329A (en) * | 2023-07-17 | 2023-10-27 | 三和泰(无锡)半导体专用设备有限公司 | Motor assembling equipment |
| CN117102845A (en) * | 2023-09-13 | 2023-11-24 | 珠海达明科技有限公司 | Automatic press-fitting mechanism for hot lantern ring |
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- 2023-11-28 CN CN202311595467.0A patent/CN117300523B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111786522A (en) * | 2020-08-10 | 2020-10-16 | 重庆福瑞斯自动化设备股份有限公司 | Motor stator hot-assembling equipment |
| CN213208857U (en) * | 2020-11-19 | 2021-05-14 | 浙江禾川科技股份有限公司 | A pressure equipment degree of depth detection device for motor stator |
| CN216851677U (en) * | 2022-01-05 | 2022-06-28 | 浙江巨力电机成套设备有限公司 | Press-fitting assembly of stator aluminum shell hot-pressing equipment |
| CN116260294A (en) * | 2023-05-15 | 2023-06-13 | 长沙锐博特科技有限公司 | Automatic press-fitting equipment for automobile motor stator |
| CN116961329A (en) * | 2023-07-17 | 2023-10-27 | 三和泰(无锡)半导体专用设备有限公司 | Motor assembling equipment |
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| CN117102845A (en) * | 2023-09-13 | 2023-11-24 | 珠海达明科技有限公司 | Automatic press-fitting mechanism for hot lantern ring |
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| CN117300523B (en) | 2024-03-08 |
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