CN219466011U - Device for clamping inner diameter of stator - Google Patents
Device for clamping inner diameter of stator Download PDFInfo
- Publication number
- CN219466011U CN219466011U CN202320069648.9U CN202320069648U CN219466011U CN 219466011 U CN219466011 U CN 219466011U CN 202320069648 U CN202320069648 U CN 202320069648U CN 219466011 U CN219466011 U CN 219466011U
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- stator
- rod
- pull rod
- press
- guide head
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- 238000003825 pressing Methods 0.000 claims abstract description 46
- 210000000078 claw Anatomy 0.000 claims description 18
- 241000555745 Sciuridae Species 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 229910001369 Brass Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model discloses a device for clamping the inner diameter of a stator. A pressing head component is arranged below the pressing machine component, a stator carrier is arranged at the lower end of the pressing head component, and a shell positioning component is arranged below the stator carrier; in the pressure head component, the upper end of a long pressure rod is fixed with a pressure machine component, two sides of the long pressure rod are provided with air cylinders, and air cylinder connecting rods of the two air cylinders are connected through a horizontal cross rod; a guide head is arranged below the long pressure rod, a pull rod capable of moving up and down is arranged in a cavity in the guide head, the upper end of the pull rod is fixedly connected with the middle part of the cross rod, and the lower end of the pull rod is sleeved in the bottom of the guide head to form a conical surface matching structure; the periphery of the guide head is provided with a pressing sleeve for pressing the stator of the stator carrying platform. The utility model is convenient for mold changing and adjustment, and can well solve the problem that concentricity cannot be ensured when the finished stator and the shell are assembled, so as to improve the production efficiency and the yield.
Description
Technical Field
The utility model relates to a stator assembly device, in particular to a device for clamping the inner diameter of a stator.
Background
In the production line of motor assembly, assembling the finished stator with the casing is a complex and important one. A common technique currently in use is to press the stator directly into the housing. It is difficult to ensure concentricity of the finished stator and the casing. The reject ratio is high, and the influence on the subsequent process is great.
The device comprises a shell and a finished stator, wherein a placing table designed according to the appearance of the finished stator is arranged in the shell, and the finished stator is placed on the placing table, so that the assembly work of the motor shell and the finished stator is completed. With this structure, concentricity of the stator and the casing cannot be completely ensured. When the placing tables in the machine shell are not on the same plane, concentricity of the machine shell and the stator cannot be ensured. The device and the assembly mode have low yield and low production efficiency.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides a device for clamping the inner diameter of a stator.
The technical scheme adopted by the utility model is as follows:
the main structure comprises a press component, a pressure head component, a stator carrying platform and a shell positioning component, wherein the pressure head component is arranged below the press component, the stator carrying platform is arranged at the lower end of the pressure head component, a stator in the stator carrying platform and the pressure head component are coaxially arranged, and the shell positioning component is arranged below the stator carrying platform.
The press component comprises a moving part and a static part; wherein the static piece is the press mounting panel, and the press mounting panel remains fixedly, and the press is installed on the press mounting panel, and the moving part is the pressure head switching post, and the press pole of press passes behind the press mounting panel and is connected with the pressure head switching post.
The pressure head component comprises two cylinders, a long pressure rod, a guide head, a pressure sleeve, a pull rod and a cross rod; the upper end of the long pressing rod is fixed on a pressing head switching column of the pressing machine component, two sides of the long pressing rod are fixedly provided with air cylinders, two air cylinders on two sides of the long pressing rod are arranged on the same horizontal plane, the air cylinder rod of each air cylinder faces downwards and is provided with an air cylinder connecting rod, and the air cylinder connecting rods of the two air cylinders are connected through a horizontal cross rod; a guide head is coaxially arranged below the long pressure rod, a vertical cavity is formed in the guide head in a hollow mode, a pull rod is arranged in the cavity and can move up and down in the cavity, the upper end of the pull rod is fixedly connected with the middle of the cross rod, and the lower end of the pull rod is sleeved in the bottom of the guide head to form a conical surface matching structure; the periphery of the guide head is provided with a pressing sleeve, and the lower end surface of the pressing sleeve is used for pressing the stator of the stator carrying platform.
The conical surface matching structure specifically comprises: the outer peripheral surface of the bottom of the guide head is provided with a plurality of annular grooves, a plurality of radial notch grooves communicated with the internal cavity are formed in the bottom of the guide head at intervals along the circumferential direction, the outer sides of the notch grooves are communicated with the annular grooves, each notch groove is internally provided with an inner supporting claw, each annular groove is internally provided with an annular tension spring, the outer peripheral surface of a pull rod extending into the bottom of the guide head is provided with a conical surface with a large upper part and a small lower part, the inner side surface of each inner supporting claw is provided with a wedge surface matched with the conical surface of the pull rod, and the outer side surface of each inner supporting claw is in contact compression joint with the tension spring.
The upper part of the long pressure rod is provided with a horizontal through groove which is used for the cross rod to pass through and allows the cross rod to move up and down, a through hole which is identical to the through hole of the pull rod to pass through is arranged between the through groove and the cavity in the guide head, and the upper end of the pull rod is provided with a through hole for the cross rod to pass through; the upper end of the pull rod passes through the through hole of the guide head and then stretches into the through groove of the long pressure rod, and the cross rod passes through the through groove on the long pressure rod and also penetrates from the through hole of the upper end of the pull rod, which stretches into the through groove of the long pressure rod.
The second oilless bushing is arranged between the bottom end of the pull rod and the inner wall of the bottom end of the guide head cavity, the first oilless bushing is arranged between the upper end of the pull rod and the inner wall of the upper end of the guide head cavity, and the upper end and the lower end of the pull rod pass through the second oilless bushing and the first oilless bushing and can be axially movably arranged in the guide head cavity up and down.
The lower end face of the pull rod is also provided with a blocking cover for limiting and positioning the installation of the second oilless bushing.
The stator carrier comprises a carrier plate, a squirrel cage and a stator, wherein the squirrel cage is fixed on the carrier plate, the stator is pre-arranged in the squirrel cage, and the stator and the guide head of the pressure head component are arranged coaxially.
The shell positioning component comprises a shell positioning plate and a shell, wherein the shell is fixed on the shell positioning plate, a stator mounting hole for mounting a stator of the stator carrier is formed in the upper end of the shell, and the stator mounting hole in the shell is coaxial with the stator.
Aiming at the problem that the finished stator is required to be installed concentrically with the shell, the utility model adds a device for clamping the inner diameter of the stator on the pressure head component; before the finished stator is pressed into the shell, the pressure head firstly fixes the finished stator on the pressure head component, and then the pressure head pushes the finished stator to press the finished stator into the shell, so that the finished stator is fixed on the pressure head component and cannot shake and move in the whole pressing process, and concentricity of the finished stator and the shell is ensured.
The beneficial effects of the utility model are as follows:
the utility model can well solve the problem that concentricity cannot be ensured when the finished stator and the shell are assembled, and the stator is fixed and pressed automatically so as to improve the production efficiency and the yield.
Drawings
FIG. 1 is a schematic view of the hot jacket internal bracing ram mechanism of the present utility model.
Fig. 2 is a schematic view of the press components of the present utility model.
Figure 3 is a schematic view of the ram assembly of the present utility model.
Fig. 4 is an exploded view of the ram assembly of the present utility model.
Figure 5 is a cross-sectional view of a ram component of the utility model.
Figure 6 is a partial cross-sectional view of a ram assembly of the present utility model.
Fig. 7 and 8 are partial views of the ram assembly of the present utility model.
Fig. 9 is a schematic view of a stator carrier in accordance with the present utility model.
Fig. 10 is an exploded view of the stator stage of the present utility model.
FIG. 11 is a schematic view of a housing positioning member of the present utility model.
FIG. 12 is a schematic diagram of the ram internal stay motion conversion of the present utility model.
In the figure, A0, a press component, A1, a press, A2, a press mounting plate, A3 and a pressure head switching column; b0, a pressure head component, B1, a cylinder, B2, a cylinder connecting rod, B3, a long pressure rod, B4, a cross rod, B5, a pull rod, B6, a guide head, B7, a first oilless bushing, B8, a pressure sleeve, B9, a tension spring, B10, a baffle cover, B11, a second oilless bushing, B12 and an inner supporting claw; c0, a stator carrying platform, C1, a carrying plate, C2, a squirrel cage, C3 and a stator; d0, a shell positioning component, D1, a shell positioning plate, D2 and a shell.
Detailed Description
The utility model will be described in further detail with reference to the accompanying drawings and specific examples.
As shown in fig. 1, the main structure of the device comprises a press component A0, a press component B0, a stator carrier C0 and a shell positioning component D0, wherein the press component B0 is installed below the press component A0, the press component A0 and the press component B0 are connected through a press head switching column A3, the stator carrier C0 is installed at the lower end of the press component B0, a stator C3 in the stator carrier C0 and the press component B0 are coaxially arranged, the shell positioning component D0 is arranged below the stator carrier C0, and a shell D2 in the shell positioning component D0 and a stator C3 in the stator carrier C0 are acting objects of the device.
As shown in fig. 2, the press part A0 includes a moving member and a stationary member; wherein quiet piece is press mounting panel A2, and press mounting panel A2 keeps fixed, and press mounting panel A2 effect is for providing fixedly and support to press A1, and press A1 installs on press mounting panel A2, and the moving part is pressure head switching post A3, and press A1's press pole passes behind press mounting panel A2 and is connected with pressure head switching post A3, and press A1 is the power supply that pushes down of this mechanism pressure head part B0.
As shown in fig. 3 and 4, the pressing head component B0 is a key mechanism of the utility model, and comprises two cylinders B1, a long pressing rod B3, a guide head B6, a pressing sleeve B8, a pull rod B5 and a cross rod B4;
the upper end of the long pressing rod B3 is fixed on a pressing head switching column A3 of the pressing machine component A0 and is connected with the pressing machine component A0, two sides of the long pressing rod B3 are fixedly provided with air cylinders B1, two air cylinders B1 on two sides of the long pressing rod B3 are arranged on the same horizontal plane and are fixed on the side face of the long pressing rod B3, the air cylinder rod of each air cylinder B1 faces downwards and is provided with an air cylinder connecting rod B2, the air cylinder connecting rods B2 of the two air cylinders B1 are connected through a horizontal cross rod B4, and acting forces of the two air cylinders are concentrated together through the cross rod B4;
a guide head B6 is coaxially arranged below the long pressing rod B3, a pressing sleeve B8 is fixed on the long pressing rod B3, a vertical cavity is formed in the guide head B6 in a hollow mode, a pull rod B5 is arranged in the cavity, the pull rod B5 can move up and down in the cavity, the upper end of the pull rod B5 is fixedly connected with the middle of the cross rod B4, and the lower end of the pull rod B5 is sleeved in the bottom of the guide head B6 to form a conical surface matching structure; the periphery of the guide head B6 is provided with a pressing sleeve B8, and the lower end surface of the pressing sleeve B8 is used for pressing a stator C3 of the stator carrying platform C0.
The conical surface cooperation structure specifically comprises: the outer peripheral surface of the bottom of the guide head B6 is provided with a plurality of annular grooves, a plurality of radial notch grooves communicated with the internal cavity are formed in the bottom of the guide head B6 at intervals along the circumferential direction, the outer sides of the notch grooves are communicated with the annular grooves, an inner supporting claw B12 is arranged in each notch groove, an annular tension spring B9 is arranged in each annular groove, the outer peripheral surface of a pull rod B5 extending into the bottom of the guide head B6 is provided with a conical surface with a large upper part and a small lower part, the inner side surface of the inner supporting claw B12 is provided with a wedge-shaped surface matched with the conical surface of the pull rod B5, and the outer side surface of the inner supporting claw B12 is in contact compression joint with the tension spring B9.
The length of the notch groove along the axial direction is greater than that of all the annular grooves, so that the axial section where the notch groove is located is covered with a plurality of annular grooves.
The upper part of the long pressing rod B3 is provided with a horizontal through groove which is used for the cross rod B4 to pass through and allows the cross rod B4 to move up and down, a through hole which is the same as the through hole of the pull rod B5 to pass through is arranged between the through groove and the cavity in the guide head B6, and the upper end of the pull rod B5 is provided with a through hole which is used for the cross rod B4 to pass through; the upper end of the pull rod B5 passes through the through hole of the guide head B6 and then extends into the through groove of the long press rod B3, the cross rod B4 passes through the through groove on the long press rod B3 and also penetrates through the through hole extending into the through groove of the long press rod B3 from the upper end of the pull rod B5, and simultaneously also passes through the through groove on the long press rod B3; thus, the cross rod B4 can push the pull rod B5 to reciprocate up and down in the through groove range under the action of the air cylinder B1 and does not interfere with the long press rod B3.
In the concrete implementation, three radial hollowed grooves are uniformly distributed along the circumference at the lower end of the long compression rod B3 and are used as notch grooves, each groove is internally provided with an inner supporting claw B12, and two annular grooves are formed in each of the inner supporting claw B12 and the long compression rod B3; two tension springs B9 are respectively and tightly arranged in the two annular grooves.
A second oilless bushing B11 is arranged between the bottom end of the pull rod B5 and the inner wall of the bottom end of the cavity of the guide head B6, a first oilless bushing B7 is arranged between the upper end of the pull rod B5 and the inner wall of the upper end of the cavity of the guide head B6, and the upper end and the lower end of the pull rod B5 pass through the second oilless bushing B11 and the first oilless bushing B7 and can be axially and movably arranged in the cavity of the guide head B6 up and down.
The two oilless bushings of the second oilless bushing B11 and the first oilless bushing B7 are made of brass, and the inner walls of the two oilless bushings are in precise fit with two parts contacted with the pull rod B5, so that the pull rod B5 is ensured to reciprocate up and down along a straight line.
The lower end face of the pull rod B5 is also provided with a blocking cover B10 for limiting and positioning the installation of the second oilless bushing B11, and the function of the blocking cover is to fasten the second oilless bushing B11 to prevent the second oilless bushing B11 from falling off.
As shown in fig. 9 and 10, the stator carrier C0 includes a carrier plate C1, a cage C2, and a stator C3, the cage C2 is fixed on the carrier plate C1, the stator C3 is previously installed in the cage C2, and the stator C3 is coaxially arranged with the guide head B6 of the ram member B0.
As shown in fig. 11, the casing positioning component D0 includes a casing positioning plate D1 and a casing D2, the casing D2 is fixed on the casing positioning plate D1, a stator mounting hole for mounting a stator C3 of the stator carrier C0 is formed at an upper end of the casing D2, and the stator mounting hole in the casing D2 is concentric with the stator C3.
The device of the utility model needs to accurately remove the stator C3 in the squirrel cage C2 and put the stator C3 into the stator mounting hole in the shell D2, and the specific action process of the utility model is as follows:
the squirrel cage C2 and the stator C3 are arranged on the carrier plate C1, and the shell D2 is fixed on the shell positioning plate D1. The press A1 is started to push the press head component B0 to move downwards integrally, and the long press rod B3, the guide head B6 and the press sleeve B8 are driven to move downwards integrally;
when the pressing sleeve B8 contacts the stator C3, the press is stopped, at the moment, the lower end of the guide head B6 enters the stator C3, then the two cylinders B1 work, and the cylinder rods of the two cylinders B1 are pressed down to move the pull rod B5 downwards under the action of the cross rod B4;
the conical surface at the bottom end of the pull rod B5 is contacted with the inclined surfaces of the three inner supporting claws B12, so that the pull rod B5 pushes the three inner supporting claws B12 to perform expansion motion radially outwards when going downwards, thereby supporting the inner wall of the stator C3, and the internal motion of the pressure head component B0 is converted as shown in fig. 8.
Then the press A1 starts to continuously press downwards, the pressure head component B0 is pushed to integrally move downwards, and the stator C3 is pushed to downwards separate from the squirrel cage C2 through the pressure sleeve B8. Since the inner wall of the stator C3 is already braced by the 3 inner bracing claws B12, the stator C3 remains coaxial with the stator mounting holes in the housing D2 without being offset after being disengaged from the cage C2. And since the inner wall of the stator C3 has been braced by the 3 inner bracing claws B12, the stator C3 is fixedly held at the bottom of the guide head B6 and moves downward integrally with the ram member B0.
After the stator C3 is pressed into the stator mounting hole of the shell D2, the press A1 pauses to work, the air cylinder B1 is retracted to pull the pull rod B5 back, the inner supporting claw B12 is retracted to the center under the action of the contraction force of the two tension springs B9, and the inner supporting claw B is returned to the original state;
finally, the press A1 ascends to restore the pressure head component B0 to the initial position; thus, the whole operation flow of pressing the stator C3 into the stator mounting hole of the housing D2 is completed.
Claims (8)
1. A device for clamping an inner diameter of a stator, comprising: the main structure comprises a press component (A0), a press head component (B0), a stator carrying platform (C0) and a shell positioning component (D0), wherein the press head component (B0) is arranged below the press component (A0), the stator carrying platform (C0) is arranged at the lower end of the press head component (B0), a stator (C3) in the stator carrying platform (C0) and the press head component (B0) are coaxially arranged, and the shell positioning component (D0) is arranged below the stator carrying platform (C0).
2. A device for stator bore clamping as claimed in claim 1 wherein:
the press part (A0) comprises a moving part and a static part; wherein quiet piece is press mounting panel (A2), and press mounting panel (A2) remain fixed, and press (A1) are installed on press mounting panel (A2), and the moving part is pressure head switching post (A3), and the press pole of press (A1) passes behind press mounting panel (A2) and is connected with pressure head switching post (A3).
3. A device for stator bore clamping as claimed in claim 1 wherein:
the pressure head component (B0) comprises two air cylinders (B1), a long pressure rod (B3), a guide head (B6), a pressure sleeve (B8), a pull rod (B5) and a cross rod (B4); the upper end of the long pressing rod (B3) is fixed on a pressing head switching column (A3) of the pressing part (A0), two sides of the long pressing rod (B3) are fixedly provided with air cylinders (B1), two air cylinders (B1) on two sides of the long pressing rod (B3) are arranged on the same horizontal plane, the air cylinder rod of each air cylinder (B1) faces downwards and is provided with an air cylinder connecting rod (B2), and the air cylinder connecting rods (B2) of the two air cylinders (B1) are connected through a horizontal cross rod (B4); a guide head (B6) is coaxially arranged below the long pressing rod (B3), a vertical cavity is formed in the guide head (B6), a pull rod (B5) is arranged in the cavity, the pull rod (B5) can move up and down in the cavity, the upper end of the pull rod (B5) is fixedly connected with the middle part of the cross rod (B4), and the lower end of the pull rod is sleeved in the bottom of the guide head (B6) to form a conical surface matching structure; the periphery of the guide head (B6) is provided with a pressing sleeve (B8), and the lower end surface of the pressing sleeve (B8) is used for pressing a stator (C3) of the stator carrying platform (C0).
4. A device for stator bore clamping as claimed in claim 3 wherein:
the conical surface matching structure specifically comprises: the outer peripheral surface of the bottom of the guide head (B6) is provided with a plurality of annular grooves, a plurality of radial notch grooves communicated with an internal cavity are formed in the bottom of the guide head (B6) at intervals along the circumferential direction, the outer sides of the notch grooves are communicated with the annular grooves, an inner supporting claw (B12) is arranged in each notch groove, an annular tension spring (B9) is arranged in each annular groove, the outer peripheral surface of a pull rod (B5) extending into the bottom of the guide head (B6) is provided with a conical surface with the size being larger than the lower part, the inner side surface of the inner supporting claw (B12) is provided with a wedge surface matched with the conical surface of the pull rod (B5), and the outer side surface of the inner supporting claw (B12) is in contact compression joint with the tension spring (B9).
5. A device for stator bore clamping as claimed in claim 3 wherein:
the upper part of the long pressing rod (B3) is provided with a horizontal through groove for the cross rod (B4) to pass through and allowing the cross rod (B4) to move up and down, a through hole which is the same as the through hole of the pull rod (B5) to pass through is arranged between the through groove and the cavity in the guide head (B6), and the upper end of the pull rod (B5) is provided with a through hole for the cross rod (B4) to pass through; the upper end of the pull rod (B5) passes through the through hole of the guide head (B6) and then stretches into the through groove of the long pressing rod (B3), the cross rod (B4) passes through the through groove on the long pressing rod (B3) and also stretches into the through hole in the through groove of the long pressing rod (B3) from the upper end of the pull rod (B5).
6. A device for stator bore clamping as claimed in claim 3 wherein:
a second oil-free bushing (B11) is arranged between the bottom end of the pull rod (B5) and the inner wall of the bottom end of the cavity of the guide head (B6), a first oil-free bushing (B7) is arranged between the upper end of the pull rod (B5) and the inner wall of the upper end of the cavity of the guide head (B6), and the upper end and the lower end of the pull rod (B5) pass through the second oil-free bushing (B11) and the first oil-free bushing (B7) and are axially movably arranged in the cavity of the guide head (B6) up and down;
the lower end face of the pull rod (B5) is also provided with a blocking cover (B10) for limiting and positioning the installation of the second oil-free bushing (B11).
7. A device for stator bore clamping as claimed in claim 1 wherein:
the stator carrying platform (C0) comprises a carrying plate (C1), a squirrel cage (C2) and a stator (C3), wherein the squirrel cage (C2) is fixed on the carrying plate (C1), the stator (C3) is pre-arranged in the squirrel cage (C2), and the stator (C3) and a guide head (B6) of the pressure head component (B0) are coaxially arranged.
8. A device for stator bore clamping as claimed in claim 1 wherein:
the casing positioning component (D0) comprises a casing positioning plate (D1) and a casing (D2), wherein the casing (D2) is fixed on the casing positioning plate (D1), a stator mounting hole for mounting a stator (C3) of the stator carrying platform (C0) is formed in the upper end of the casing (D2), and the stator mounting hole in the casing (D2) is coaxial with the stator (C3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320069648.9U CN219466011U (en) | 2023-01-10 | 2023-01-10 | Device for clamping inner diameter of stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320069648.9U CN219466011U (en) | 2023-01-10 | 2023-01-10 | Device for clamping inner diameter of stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219466011U true CN219466011U (en) | 2023-08-04 |
Family
ID=87433670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320069648.9U Active CN219466011U (en) | 2023-01-10 | 2023-01-10 | Device for clamping inner diameter of stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219466011U (en) |
-
2023
- 2023-01-10 CN CN202320069648.9U patent/CN219466011U/en active Active
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