CN211481112U - Motor rotor press-fitting tool - Google Patents
Motor rotor press-fitting tool Download PDFInfo
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- CN211481112U CN211481112U CN201922360550.5U CN201922360550U CN211481112U CN 211481112 U CN211481112 U CN 211481112U CN 201922360550 U CN201922360550 U CN 201922360550U CN 211481112 U CN211481112 U CN 211481112U
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Abstract
The utility model provides an electric motor rotor pressure equipment frock, it makes with low costs, area occupied is little, and the equipment location is swift, the packaging efficiency is high, satisfy the volume production demand. The center of base is provided with epirelief position ring cover, the up end ring cloth of position ring cover has a plurality of indents to avoid the groove, the center of avoiding the groove is provided with the location screw hole, the location support includes lower guide sleeve, upper portion position sleeve, lower portion guide sleeve's inner ring chamber diameter is less than the diameter in upper portion position sleeve's guide chamber, the inner ring part of lower portion guide sleeve's up end is provided with indent location pinhole corresponding to rotor core's rivet hole position, it is still including supporting locating pin, the epirelief behind indent location pinhole is located to the locating pin cartridge, the locating pin of epirelief is used for rotor core's circumferential direction location, lower portion guide sleeve suit is in position ring cover, be provided with the direction cavity between lower portion guide sleeve's inner ring chamber and the up end of position ring cover, arranged the direction thimble subassembly in.
Description
Technical Field
The utility model relates to a technical field of electric motor rotor equipment specifically is an electric motor rotor pressure equipment frock.
Background
Motor rotor includes motor shaft, rotor core and is located two balanced end plates of rotor core axis terminal surface, and current motor rotor needs the different equipment of different stations to make up the equipment at the equipment in-process, and it is used for assembling motor rotor with high costs, area is big, and need counterpoint many times during the equipment for packaging efficiency is low, can not satisfy the volume production demand.
Disclosure of Invention
To the problem, the utility model provides an electric motor rotor pressure equipment frock, it makes with low costs, area occupied is little, and the equipment location is swift, the packaging efficiency is high, satisfy the volume production demand.
The utility model provides an electric motor rotor pressure equipment frock which characterized in that: the positioning support comprises a base, a positioning support, a guide block, a guide thimble assembly and a pressure head, wherein an upper convex positioning ring sleeve is arranged at the center of the base, a plurality of concave avoiding grooves are annularly distributed on the upper end surface of the positioning ring sleeve, a positioning threaded hole is formed in the center of each avoiding groove, the positioning support comprises a lower guide sleeve and an upper positioning sleeve, the diameter of an inner ring cavity of the lower guide sleeve is smaller than that of a guide cavity of the upper positioning sleeve, concave positioning pin holes are formed in the inner ring part of the upper end surface of the lower guide sleeve corresponding to rivet holes of a rotor core, a matched positioning pin is further included, the positioning pin is inserted into the concave positioning pin holes and then protrudes upwards, the upward protruding positioning pin is used for circumferential positioning of the rotor core, the lower guide sleeve is sleeved on the positioning ring sleeve, and a guide cavity is arranged between the inner ring cavity of the lower guide sleeve and the upper end surface of the, the guide cavity is internally provided with a guide thimble assembly, the guide thimble assembly comprises a guide thimble, a guide thimble mounting seat and a linear spring, the bottom of the guide thimble is fixedly arranged on the guide thimble mounting seat, the guide thimble protrudes out of a through hole of the guide thimble mounting seat, the bottom of the guide thimble mounting seat is connected with the positioning threaded hole through a long bolt, the long bolt is sleeved with a corresponding linear spring, the bottom of the linear spring is embedded in the avoiding groove, the top of the linear spring is jacked at the bottom of the guide thimble mounting seat or the guide thimble, the top of the upper tip part of the guide thimble protrudes out of the guide cavity of the upper positioning sleeve, the upper tip part and the axis of a motor shaft to be assembled are coaxially arranged, the guide cavity of the upper positioning sleeve is used for placing a rotor core, and the upper surface of the upper positioning sleeve is uniformly provided with positioning pin holes, The guide block is formed by splicing two semicircular ring guide blocks, each semicircular ring guide block is provided with a lower convex positioning pin corresponding to a lower concave positioning pin hole at a corresponding position, a positioning unthreaded hole corresponding to the concave positioning hole is formed, a connecting bolt penetrates through the corresponding positioning unthreaded hole and the concave positioning hole, the spliced two semicircular ring guide blocks form a central guide hole with two side keys, a key groove of a motor shaft is arranged along the keys and then the motor shaft is inserted into the central guide hole, and the outer diameter of a balance end plate is smaller than the distance from the inner edge of the connecting bolt to the central shaft of the central guide hole, so that the semicircular ring guide blocks are convenient to assemble and disassemble; the pressure head comprises a top plane and a bottom conical head structure, and the bottom conical head structure is inserted into an inner hole of the motor shaft and is attached to a corresponding conical cavity of the inner hole.
It is further characterized in that: the upper positioning sleeve is formed by splicing a plurality of upper convex fan-shaped blocks, and an interval is reserved between every two adjacent fan-shaped blocks, so that the observation is facilitated when workers operate;
the bottom of the guide thimble mounting seat is recessed inwards to form a triangular mounting groove, the bottom of the guide thimble is a triangular mounting plate, the triangular mounting plate is arranged in the triangular mounting groove, and the triangular mounting plate is fixedly connected with the guide thimble mounting seat through bolts;
the maximum compression amount of the linear spring is larger than the maximum displacement which can be pressed down when the motor shaft is pressed, so that the motor shaft is ensured to be assembled smoothly.
A press-fitting method of a motor rotor is characterized by comprising the following steps: the motor shaft and the rotor core are pressed and mounted firstly on the first balance end plate, and finally the motor shaft with the first balance end plate and the rotor core and the second balance end plate are pressed and mounted.
It is further characterized in that:
the specific steps of press mounting the motor shaft on the first balance end plate include that a positioning pin on a positioning support is not installed, the iron core contact surface of the first balance end plate faces downwards and is placed on the upper end surface of a lower guide sleeve, a press head starts to press downwards after the tool is installed, when the first balance end plate is pressed to the installation shaft section of the motor shaft, the shaft section with the largest diameter of the motor shaft is not contacted with a guide block, a pier head of a press machine is withdrawn, two semicircular guide blocks are taken down, and then the motor shaft is press mounted again until the first balance end plate is in place;
the method comprises the following specific steps of installing two positioning pins on a positioning support, putting the whole section of a rotor core on the positioning support, axially positioning the rotor core through the positioning pins, starting to press down after the installation of a tool is finished, when the rotor core is pressed to an installation shaft section on which the motor shaft is located, withdrawing a pier head of a press machine without contacting two guide blocks, taking down two semicircular guide blocks, and then re-press-mounting the motor shaft until the rotor core is in place;
the specific steps of press mounting the motor shaft with the first balance end plate and the rotor core and the second balance end plate are as follows, the positioning pin on the positioning support is taken down, the contact surface of the second balance end plate core is upwards placed on the upper end surface of the lower guide sleeve, the press mounting starts to be pressed down after the tool is mounted, when the second balance end plate is pressed to the mounting shaft section on which the motor shaft is located, the iron core does not contact the guide block at the moment, the pier head of the press machine is withdrawn, the two semi-circular guide blocks are taken down, and then the motor shaft is press mounted again until the second balance end plate is in place in the press mounting.
After the technical scheme is adopted, the centering and the guiding of the motor shaft in the vertical direction are realized through the two spliced semicircular ring guide blocks and the spring guide thimble assembly; the rotor core positioning support and the tooling base are only connected in a sleeved mode and are movable and detachable, and if the motor shaft is long and the compression amount of the spring is insufficient, the base assembly can be taken out after the motor shaft is pressed in for a certain distance, and then press mounting is continued; the novel assembling device has the advantages of low cost, small occupied area, rapidness in assembling and positioning, high assembling efficiency and capability of meeting the requirement of mass production.
Drawings
Fig. 1 is a schematic structural view of a perspective view of the present invention (including a first balance end plate of a motor and a motor shaft);
FIG. 2 is a front view cross-sectional structural schematic of FIG. 1;
fig. 3 is a schematic structural view of a positioning support according to the present invention;
fig. 4 is a schematic structural view of a base according to the present invention;
fig. 5 is an assembled perspective view of the base and the guide thimble assembly of the present invention;
fig. 6 is an exploded view of the guide thimble and the guide thimble mounting base according to the present invention;
fig. 7 is a schematic structural view of a pressure head according to the present invention;
fig. 8 is a schematic structural view of the guide block assembled to the positioning support according to the present invention;
the names corresponding to the sequence numbers in the figure are as follows:
the positioning device comprises a base 1, an upper convex positioning ring sleeve 11, an inner concave avoiding groove 12, a positioning threaded hole 13, a positioning support 2, a lower guide sleeve 21, an inner concave positioning pin hole 211, an upper positioning sleeve 22, an inner concave positioning pin hole 221, an inner concave positioning hole 222, an upper convex sector block 23, a gap 24, a guide block 3, a semicircular ring guide block 31, a lower convex positioning pin 311, a positioning unthreaded hole 312, a connecting bolt 32, a key 33, a central guide hole 34, a guide thimble assembly 4, a guide thimble 41, an upper tip part 411, a triangular mounting plate 412, a guide thimble mounting seat 42, a triangular mounting groove 422, a through hole 421, a linear spring 43, a long bolt 44, a pressure head 5, a top plane 51, a bottom cone head structure 52, a rotor iron core 6, a positioning pin 7, a guide cavity 8, a motor shaft 9.
Detailed Description
A motor rotor press-fitting tool is shown in figures 1-8: the positioning support 2 comprises a lower part guide sleeve 21 and an upper part positioning sleeve 22, the diameter of an inner ring cavity of the lower part guide sleeve 21 is smaller than that of a guide cavity of the upper part positioning sleeve 22, an inner ring part of the upper end surface of the lower part guide sleeve 21 is provided with an inwards concave positioning pin hole 211 corresponding to a rivet hole position of a rotor iron core 6, the positioning support further comprises a matched positioning pin 7, the positioning pin 7 is inserted into the inwards concave positioning pin hole 211 and upwards protruded, the upwards convex positioning pin 7 is used for circumferential positioning of the rotor iron core 6, the lower part guide sleeve 21 is sleeved on the positioning ring sleeve 11, a guide cavity 8 is arranged between the inner ring cavity of the lower part guide sleeve 21 and the upper end surface of the positioning ring sleeve 11, a guide thimble assembly 4 is arranged in the guide cavity 8, the guide thimble assembly 4 includes a guide thimble 41, a guide thimble mounting seat 42, and a linear spring 43, the bottom of the guide thimble 41 is fixedly arranged on the guide thimble mounting seat 42, the guide thimble 41 protrudes from a through hole 421 of the guide thimble mounting seat 42, the bottom of the guide thimble mounting seat 42 is connected with the positioning threaded hole 13 through a long bolt 44, the long bolt 44 is sleeved with a corresponding linear spring 43, the bottom of the linear spring 43 is embedded in the avoiding groove 12, the top of the linear spring 43 is pushed against the bottom of the guide thimble mounting seat 42 or the guide thimble 41, an upper tip part 411 of the guide thimble 41 protrudes into a guide cavity of the upper positioning sleeve 22, the upper tip part 411 and an axis of the motor shaft 9 to be assembled are coaxially arranged, a guide cavity of the upper positioning sleeve 22 is used for placing the rotor core 6, and concave positioning pin holes 221 are uniformly distributed on the upper surface of the upper positioning sleeve 22, The guide block 3 is formed by splicing two semicircular ring guide blocks 31, each semicircular ring guide block 31 is provided with a lower convex positioning pin 311 corresponding to the corresponding lower concave positioning pin hole 221, a positioning unthreaded hole 312 corresponding to the corresponding concave positioning hole 222 is formed, the connecting bolt 32 penetrates through the corresponding positioning unthreaded hole 312 and the concave positioning hole 222, the two spliced semicircular ring guide blocks 31 form a central guide hole 34 with two side keys 33, a key groove of the motor shaft 9 is arranged along the key 33, the motor shaft 9 is inserted into the central guide hole 34, and the outer diameter of the balance end plate 10 is smaller than the distance from the inner edge of the connecting bolt 32 to the central shaft of the central guide hole 34, so that the semicircular ring guide blocks 31 are convenient to disassemble and assemble; the pressure head 5 comprises a top plane 51 and a bottom conical head structure 52, wherein the bottom conical head structure 52 is inserted into an inner hole of the motor shaft 9 and is attached to a corresponding conical cavity of the inner hole.
The upper positioning sleeve 22 is formed by splicing a plurality of upper convex fan-shaped blocks 23, and a gap 24 is reserved between every two adjacent fan-shaped blocks 23, so that the observation is facilitated when workers operate;
the bottom of the guide thimble mounting seat 42 is concave inwards to form a triangular mounting groove 422, the bottom of the guide thimble 41 is provided with a triangular mounting plate 412, the triangular mounting plate 412 is arranged in the triangular mounting groove 422, and the triangular mounting plate 412 is fixedly connected with the guide thimble mounting seat 42 through bolts;
the maximum compression amount of the linear spring 43 is larger than the maximum displacement which can be pressed down when the motor shaft 9 is pressed, so that the smooth assembly of the motor shaft is ensured.
A press fitting method of a motor rotor comprises the following steps: the motor shaft and the rotor core are pressed and mounted firstly on the first balance end plate, and finally the motor shaft with the first balance end plate and the rotor core and the second balance end plate are pressed and mounted.
The specific steps of press mounting the motor shaft on the first balance end plate include that a positioning pin on a positioning support is not installed, the iron core contact surface of the first balance end plate faces downwards and is placed on the upper end surface of a lower guide sleeve, a press head starts to press downwards after the tool is installed, when the first balance end plate is pressed to the installation shaft section of the motor shaft, the shaft section with the largest diameter of the motor shaft is not contacted with a guide block, a pier head of a press machine is withdrawn, two semicircular guide blocks are taken down, and then the motor shaft is press mounted again until the first balance end plate is in place;
the method comprises the following specific steps of installing two positioning pins on a positioning support, putting the whole section of a rotor core on the positioning support, axially positioning the rotor core through the positioning pins, starting to press down after the installation of a tool is finished, when the rotor core is pressed to an installation shaft section on which the motor shaft is located, withdrawing a pier head of a press machine without contacting two guide blocks, taking down two semicircular guide blocks, and then re-press-mounting the motor shaft until the rotor core is in place;
the specific steps of press mounting the motor shaft with the first balance end plate and the rotor core and the second balance end plate are as follows, the positioning pin on the positioning support is taken down, the contact surface of the second balance end plate core is upwards placed on the upper end surface of the lower guide sleeve, the press mounting starts to be pressed down after the tool is mounted, when the second balance end plate is pressed to the mounting shaft section on which the motor shaft is located, the iron core does not contact the guide block at the moment, the pier head of the press machine is withdrawn, the two semi-circular guide blocks are taken down, and then the motor shaft is press mounted again until the second balance end plate is in place in the press mounting.
The centering and guiding of the motor shaft in the vertical direction are realized through the two spliced semicircular ring guide blocks and the spring guide thimble assembly; the rotor core positioning support and the tooling base are only connected in a sleeved mode and are movable and detachable, and if the motor shaft is long and the compression amount of the spring is insufficient, the base assembly can be taken out after the motor shaft is pressed in for a certain distance, and then press mounting is continued; the novel assembling device has the advantages of low cost, small occupied area, rapidness in assembling and positioning, high assembling efficiency and capability of meeting the requirement of mass production.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The utility model provides an electric motor rotor pressure equipment frock which characterized in that: the positioning support comprises a base, a positioning support, a guide block, a guide thimble assembly and a pressure head, wherein an upper convex positioning ring sleeve is arranged at the center of the base, a plurality of concave avoiding grooves are annularly distributed on the upper end surface of the positioning ring sleeve, a positioning threaded hole is formed in the center of each avoiding groove, the positioning support comprises a lower guide sleeve and an upper positioning sleeve, the diameter of an inner ring cavity of the lower guide sleeve is smaller than that of a guide cavity of the upper positioning sleeve, concave positioning pin holes are formed in the inner ring part of the upper end surface of the lower guide sleeve corresponding to rivet holes of a rotor core, a matched positioning pin is further included, the positioning pin is inserted into the concave positioning pin holes and then protrudes upwards, the upward protruding positioning pin is used for circumferential positioning of the rotor core, the lower guide sleeve is sleeved on the positioning ring sleeve, and a guide cavity is arranged between the inner ring cavity of the lower guide sleeve and the upper end surface of the, the guide cavity is internally provided with a guide thimble assembly, the guide thimble assembly comprises a guide thimble, a guide thimble mounting seat and a linear spring, the bottom of the guide thimble is fixedly arranged on the guide thimble mounting seat, the guide thimble protrudes out of a through hole of the guide thimble mounting seat, the bottom of the guide thimble mounting seat is connected with the positioning threaded hole through a long bolt, the long bolt is sleeved with a corresponding linear spring, the bottom of the linear spring is embedded in the avoiding groove, the top of the linear spring is jacked at the bottom of the guide thimble mounting seat or the guide thimble, the top of the upper tip part of the guide thimble protrudes out of the guide cavity of the upper positioning sleeve, the upper tip part and the axis of a motor shaft to be assembled are coaxially arranged, the guide cavity of the upper positioning sleeve is used for placing a rotor core, and the upper surface of the upper positioning sleeve is uniformly provided with positioning pin holes, The guide block is formed by splicing two semicircular ring guide blocks, each semicircular ring guide block is provided with a lower convex positioning pin corresponding to a lower concave positioning pin hole at a corresponding position, a positioning unthreaded hole corresponding to the concave positioning hole is formed, a connecting bolt penetrates through the corresponding positioning unthreaded hole and the concave positioning hole, the spliced two semicircular ring guide blocks form a central guide hole with two side keys, a key groove of a motor shaft is arranged along the keys and then the motor shaft is inserted into the central guide hole, and the outer diameter of a balance end plate is smaller than the distance from the inner edge of the connecting bolt to the central shaft of the central guide hole, so that the semicircular ring guide blocks are convenient to assemble and disassemble; the pressure head comprises a top plane and a bottom conical head structure, and the bottom conical head structure is inserted into an inner hole of the motor shaft and is attached to a corresponding conical cavity of the inner hole.
2. A press fitting tool for a motor rotor as claimed in claim 1, wherein: the upper positioning sleeve is formed by splicing a plurality of upper convex fan-shaped blocks, and a gap is reserved between every two adjacent fan-shaped blocks.
3. A press fitting tool for a motor rotor as claimed in claim 1, wherein: the bottom of direction thimble mount pad is inwards sunken to form the triangle mounting groove, the bottom of direction thimble is the triangle mounting panel, place in the triangle mounting panel in the triangle mounting groove, the triangle mounting panel passes through the bolt rigid coupling direction thimble mount pad.
4. A press fitting tool for a motor rotor as claimed in claim 1, wherein: the maximum compression amount of the linear spring is larger than the maximum displacement of the linear spring which can be pressed down when the motor shaft is pressed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922360550.5U CN211481112U (en) | 2019-12-25 | 2019-12-25 | Motor rotor press-fitting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922360550.5U CN211481112U (en) | 2019-12-25 | 2019-12-25 | Motor rotor press-fitting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211481112U true CN211481112U (en) | 2020-09-11 |
Family
ID=72361686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922360550.5U Active CN211481112U (en) | 2019-12-25 | 2019-12-25 | Motor rotor press-fitting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211481112U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635019A (en) * | 2021-08-13 | 2021-11-12 | 湖南腾智机电有限责任公司 | Tool for press-fitting rotor shaft of multi-rotary-vane vacuum pump |
-
2019
- 2019-12-25 CN CN201922360550.5U patent/CN211481112U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635019A (en) * | 2021-08-13 | 2021-11-12 | 湖南腾智机电有限责任公司 | Tool for press-fitting rotor shaft of multi-rotary-vane vacuum pump |
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