CN111835156A - Device for ensuring flatness of generator - Google Patents
Device for ensuring flatness of generator Download PDFInfo
- Publication number
- CN111835156A CN111835156A CN202010592731.5A CN202010592731A CN111835156A CN 111835156 A CN111835156 A CN 111835156A CN 202010592731 A CN202010592731 A CN 202010592731A CN 111835156 A CN111835156 A CN 111835156A
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- CN
- China
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- motor
- plate
- supporting seat
- shaped supporting
- positioning
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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
-
- 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
- H02K15/0006—Disassembling, repairing or modifying dynamo-electric machines
-
- 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
- H02K15/14—Casings; Enclosures; Supports
Abstract
The invention relates to a device for ensuring the flatness of a generator, which comprises a bottom plate, a positioning table and two groups of automatic pressing devices, wherein the positioning table is fixedly arranged on the bottom plate; the pressing directions of the two groups of automatic pressing devices are arranged in the same direction, and the bottom ends of the two groups of automatic pressing devices are fixedly connected through a positioning plate. The invention eliminates the error of manual operation, has high accuracy, ensures that the hangers of the motor can be well aligned, and has high planeness after the installation is finished; meanwhile, the automatic pressing device automatically presses the hanging lug of the motor, so that the labor intensity of an operator is reduced, and the assembly efficiency is improved.
Description
Technical Field
The invention relates to the technical field of tool fixtures, in particular to a device for guaranteeing flatness of a generator.
Background
The generator assembly and the engine assembly in the automobile motor industry generally adopt a structure of bolts and a support, the support is omitted in a novel generator connection mode, and the generator is directly installed on the engine. Therefore, the flatness error of four hangers of the generator is required to be less than 0.1 mm. To ensure the flatness, four suspension loops of the motor are ensured on a plane before four general assembly screws of the generator shell are fixed. Adopt traditional mechanical type assembly jig, there are two aspects not enough: 1) the once-through qualification rate of the flatness of the assembled motor is low: the four hanging lugs of the motor are respectively pressed by the pressing plate, the bolts of the pressing plate are screwed by the handheld electric screwdriver to press the motor, and the uniformity of pressure transmitted by the bolts at the same time is poor, so that the flatness and the qualification rate of the assembled motor are low; 2) the assembly efficiency is low: the manual hand-held electric screwdriver screws up the bolt pressing plate, the bolt is disassembled after the four general assembly screws of the motor shell are assembled, then the pressing plate is manually taken down, the motor can be taken out of the pressing clamp, the production efficiency is low, and the labor intensity is high.
Disclosure of Invention
The invention provides a device for ensuring the flatness of a generator, aiming at solving the problems of low flatness precision and low assembly efficiency when a general assembly screw of a generator shell is installed through a traditional mechanical assembly clamp in the prior art.
The technical scheme for solving the technical problems is as follows:
a device for ensuring the flatness of a generator comprises a bottom plate, a positioning table and two groups of automatic pressing devices, wherein the positioning table is fixedly arranged on the bottom plate, the two groups of automatic pressing devices are parallel to each other and symmetrically arranged on two sides of the positioning table, and the automatic pressing devices are fixedly arranged on the bottom plate; the pressing directions of the two groups of automatic pressing devices are arranged in the same direction, and the bottom ends of the two groups of automatic pressing devices are fixedly connected through a positioning plate which is fixedly connected with the bottom plate.
The invention has the beneficial effects that: the bottom of the motor is placed on the positioning table to be positioned, then the automatic pressing devices on two sides of the positioning table are started to work, the four hangers distributed on two sides of the motor are simultaneously pressed by the automatic pressing devices, the four hangers of the motor reach qualified flatness, and then an operator installs and fixes four general assembly screws of the motor shell. And after the final assembly screw is installed, starting the automatic pressing device to release the motor, and taking out the motor to finish the whole working process. Because the automatic pressing device eliminates errors of manual operation when the four hangers of the motor are pressed, the accuracy is high, the hangers of the motor can be well aligned, and the flatness is high after the motor is installed; meanwhile, the automatic pressing device automatically presses the hanging lug of the motor, so that the labor intensity of an operator is reduced, and the assembly efficiency is improved.
On the basis of the technical scheme, the invention can be further improved as follows.
Furthermore, the automatic pressing device comprises an L-shaped supporting seat, a telescopic cylinder and a pressing plate, the transverse end of the L-shaped supporting seat is fixedly arranged on the bottom plate, and the fixing part of the telescopic cylinder is arranged on the longitudinal end of the L-shaped supporting seat; the pressure plate is arranged in parallel with the longitudinal end of the L-shaped supporting seat, and the movable part of the telescopic cylinder is detachably and statically connected with the pressure plate; when the movable part of the telescopic cylinder is stretched, the pressure plate moves back to back or relatively relative to the L-shaped supporting seat.
The beneficial effect of adopting the further scheme is that: the transverse end of the L-shaped supporting seat provides longitudinal support for a hanging lug of the motor, and when the motor is placed on the positioning table, the bottom surface of the hanging lug of the motor is matched with the upper surface of the transverse end of the L-shaped supporting seat; when the pressing plate transversely compresses the hangers of the motor under the action of the telescopic cylinder, the longitudinal end of the L-shaped supporting seat provides transverse supporting force for the hangers of the motor, so that the hangers of the motor are aligned along the surface of the longitudinal end of the L-shaped supporting seat, and good flatness is ensured among the hangers of the motor.
Furthermore, the fixing part of the telescopic cylinder is fixedly arranged on one side of the longitudinal end of the L-shaped supporting seat through a mounting plate, a through hole is formed in the longitudinal end of the L-shaped supporting seat, the axial direction of the through hole is parallel to the transverse end of the L-shaped supporting seat, and the movable end of the telescopic cylinder penetrates through the through hole and is matched with the pressing plate.
The beneficial effect of adopting the further scheme is that: the motor is pressed or released by controlling the telescopic pulling pressing plate of the telescopic cylinder, the moving direction of the pressing plate is the same as the moving direction of the movable end of the telescopic cylinder, and the motor is prevented from shifting or rotating in the process of pressing the motor hangers to the maximum extent.
Furthermore, the transverse end of the L-shaped supporting seat is fixedly connected with the bottom plate through a screw, corresponding positioning holes are formed in the transverse end of the L-shaped supporting seat and the bottom plate, and positioning pins are arranged in the positioning holes.
The beneficial effect of adopting the further scheme is that: the positioning pin is arranged to effectively position the automatic pressing device, so that the influence on the precision caused by the rotation of the automatic pressing device relative to the bottom plate in the working process is avoided.
Further, the bottom of the pressing plate is abutted to the upper surface of the bottom plate, and when the pressing plate moves, the pressing plate is in sliding fit with the bottom plate.
The beneficial effect of adopting the further scheme is that: the bottom and the bottom plate looks butt of clamp plate prevent that the clamp plate from rotating along the movable part of telescopic cylinder at the in-process that compresses tightly, influence the effect that compresses tightly to the hangers of motor.
Furthermore, a positioning ring is arranged on the positioning table, and the positioning ring is matched with the bottom of the motor in size.
The beneficial effect of adopting the further scheme is that: the shape and the size of the positioning ring are matched with the bottom of the motor, so that accurate positioning is provided for the bottom of the motor, and subsequent assembly errors caused by the fact that the motor is displaced in the pressing process are prevented.
Drawings
FIG. 1 is a schematic view of a motor structure according to the present invention;
FIG. 2 is a schematic view of the apparatus of the present invention in cooperation with a motor;
FIG. 3 is a cross-sectional view of the apparatus of the present invention;
FIG. 4 is a left side view of the apparatus of the present invention;
fig. 5 is a top view of the device of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the device comprises a base plate, 2, a positioning table, 201, a positioning ring, 3, an L-shaped supporting seat, 301, a transverse end, 302, a longitudinal end, 4, a telescopic cylinder, 401, a pull rod, 402, a mounting plate, 5, a pressing plate, 6, a positioning pin, 7, a screw, 8, a motor, 801, a general assembly screw, 802, a hanging lug, 9 and a positioning plate.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Fig. 1 shows a structure of the motor 8 according to this embodiment, which has two pairs of hanging lugs 802 symmetrically distributed on two sides of an end cover of the motor 8 and adjacently arranged up and down. Four assembly screws 801 are used for fixedly connecting the upper end cover and the lower end cover of the motor 8. The flatness referred to in this embodiment refers to the deviation of the overlap of each pair of ears 802 in the longitudinal plane. Ideally, in the longitudinal direction, a set of the upper and lower adjacent hangers 802 completely overlap, and the flatness in this state is 0. Traditional manual mechanical type pressure equipment assembly mode makes 8 planeness of motor after the assembly be difficult to reach 0.1 that requires, and this embodiment provides a frock clamp to solve traditional assembly mode planeness low with the low problem of assembly efficiency.
As shown in fig. 2 to 5, the device for ensuring the flatness of the generator provided in this embodiment includes a bottom plate 1, a positioning table 2, and two sets of automatic pressing devices, wherein the positioning table 2 is fixedly disposed on the bottom plate 1, the two sets of automatic pressing devices are parallel to each other and symmetrically disposed on two sides of the positioning table 2, and the automatic pressing devices are fixedly mounted on the bottom plate 1; the pressing directions of the two groups of automatic pressing devices are arranged in the same direction. The bottom end side surfaces of the two groups of automatic pressing devices are fixedly connected through a positioning plate 9, and the positioning plate 9 is fixedly connected with the bottom plate 1.
Place motor 8's bottom on location platform 2 and fix a position, then start the automatic closing device work of location platform 2 both sides, automatic closing device compresses tightly four hangers 802 that distribute in motor 8 both sides simultaneously, makes four hangers 802 of motor 8 reach qualified plane degree, then the operator is to four final assembly screws 801 of motor 8 installation fixed motor 8 shell. After the final assembly screw 801 is installed, the automatic pressing device is started to release the motor 8, and the motor 8 is taken out, so that the whole working process is completed. Because the automatic pressing device eliminates errors of manual operation when the four lugs 802 of the motor 8 are pressed, the accuracy is high, the lugs 802 of the motor 8 can be well aligned, and the flatness after installation is high; meanwhile, the automatic pressing device automatically presses the hanging lug 802 of the motor 8, so that the labor intensity of an operator is reduced, and the assembly efficiency is improved.
Further, automatic closing device includes L type bearing 3, telescoping cylinder 4, clamp plate 5, and telescoping cylinder 4 can adopt any one in electronic jar, cylinder, the pneumatic cylinder, and telescoping cylinder 4 adopts the cylinder in this embodiment. The transverse end 301 of the L-shaped supporting seat 3 is fixedly arranged on the bottom plate 1, and the fixing part of the telescopic cylinder 4 is arranged on the longitudinal end 302 of the L-shaped supporting seat 3. The pressing plate 5 is arranged parallel to the longitudinal end 302 of the L-shaped supporting seat 3, and the movable part of the telescopic cylinder 4 is detachably and statically connected with the pressing plate 5 through a coaxially arranged pull rod 401. When the movable part of the telescopic cylinder 4 extends, the pull rod 401 pulls the press plate 5 to move back and forth or relative to the L-shaped support base 3, so as to compress or release the motor 8. The transverse end 301 of the L-shaped supporting seat 3 provides longitudinal support for a hanging lug 802 of the motor 8, and when the motor 8 is placed on the positioning table 2, the bottom surface of the hanging lug 802 of the motor 8 is matched with the upper surface of the transverse end 301 of the L-shaped supporting seat 3; when the pressing plate 5 transversely presses the hanging lug 802 of the motor 8 under the action of the telescopic cylinder 4, the longitudinal end 302 of the L-shaped supporting seat 3 provides a transverse supporting force for the hanging lug 802 of the motor 8, so that the hanging lug 802 of the motor 8 is aligned along the surface of the longitudinal end 302 of the L-shaped supporting seat 3, and a good flatness is ensured between the hanging lugs 802 of the motor 8.
Further, the fixing portion of the telescopic cylinder 4 is fixedly mounted on one side of the longitudinal end 302 of the L-shaped support base 3 through a mounting plate 402, and the mounting plate 402 is fixedly connected with the longitudinal end 302 of the L-shaped support base 3 through a screw 7. A through hole is formed in the longitudinal end 302 of the L-shaped supporting seat 3, the axial direction of the through hole is parallel to the transverse end 301 of the L-shaped supporting seat 3, and the movable end of the telescopic cylinder 4 penetrates through the through hole and is matched with the pressing plate 5. The motor 8 is pressed or released by controlling the telescopic pulling pressing plate 5 of the telescopic cylinder 4, and the moving direction of the pressing plate 5 is the same as that of the movable end of the telescopic cylinder 4, so that the motor 8 is not displaced or rotated in the process of pressing the hanging lug 802 of the motor 8 to the maximum extent.
In this embodiment, the transverse end 301 of the L-shaped support base 3 is fixedly connected to the bottom plate 1 through a screw 7, the transverse end 301 of the L-shaped support base 3 and the bottom plate 1 are respectively provided with a corresponding positioning hole, a positioning pin 6 is arranged in the positioning hole, and the positioning pin 6 is a cylindrical pin. The positioning pin 6 is arranged to be an automatic pressing device for effective positioning, and the influence on the precision caused by the fact that the automatic pressing device rotates relative to the bottom plate 1 in the working process is prevented. To increase the positioning effect, at least two positioning pins 6 may be provided between the lateral ends 301 of the L-shaped bearing blocks 3 and the base plate 1, as shown in fig. 1.
Further, the bottom of the pressing plate 5 is abutted to the upper surface of the bottom plate 1, and when the pressing plate 5 moves, the pressing plate 5 is in sliding fit with the bottom plate 1. The bottom of clamp plate 5 is inconsistent with bottom plate 1, prevents that clamp plate 5 from rotating along the movable part of telescopic cylinder 4 at the in-process that compresses tightly, and the influence is to the alignment and the effect that compresses tightly of hangers 802 of motor 8.
Further, a positioning ring 201 is arranged on the positioning table 2, and the positioning ring 201 is matched with the bottom of the motor 8 in size. The shape and size of the positioning ring 201 are matched with the bottom of the motor 8, so that accurate positioning is provided for the bottom of the motor 8, and subsequent assembly errors caused by displacement of the motor 8 in the pressing process are prevented.
The working process is as follows:
the belt pulley of the motor 8 is placed upwards, the bottom of the motor 8 is placed on the positioning table 2 for positioning, the hanging lugs 802 on the two sides of the motor 8 are tightly attached to the transverse end 301 and the longitudinal end 302 of the L-shaped supporting seat 3, and then the automatic pressing devices on the two sides of the positioning table 2 are started to work. The telescopic cylinder 4 of the automatic pressing device begins to contract, and drives the pressing plate 5 to simultaneously press the four hangers 802 distributed on two sides of the motor 8. The four lugs 802 are automatically aligned on the end face 302 of the L-shaped support base 3, so that the four lugs 802 of the motor 8 reach a qualified flatness, and then an operator installs and fixes four assembly screws 801 of the motor 8 shell on the motor 8. After the final assembly screw 801 is installed, the telescopic cylinder 4 of the automatic pressing device is started to extend, so that the motor 8 is released, and the motor 8 is taken out, thereby completing the whole assembly process. Because the automatic pressing device eliminates errors of manual operation when the four lugs 802 of the motor 8 are pressed, the accuracy is high, the lugs 802 of the motor 8 can be well aligned, and the flatness after installation is high; meanwhile, the automatic pressing device automatically presses the hanging lug 802 of the motor 8, so that the labor intensity of an operator is reduced, the assembly time is saved, and the assembly efficiency is improved.
This embodiment adopts the pressure equipment mode of cylinder type device to replace manual mechanical type pressure equipment assembly mode, selects suitable cylinder, guarantees that pressure is enough big but can not crush 8 hangers 802 of motor, has guaranteed that motor 8 compresses tightly on the location platform 2 of anchor clamps, has promoted the assembly qualification rate, has reduced workman's intensity of labour simultaneously, promotes production efficiency.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A device for ensuring the flatness of a generator is characterized by comprising a bottom plate (1), a positioning table (2) and two groups of automatic pressing devices, wherein the positioning table (2) is fixedly arranged on the bottom plate (1), the two groups of automatic pressing devices are parallel to each other and symmetrically arranged on two sides of the positioning table (2), and the automatic pressing devices are fixedly arranged on the bottom plate (1); the pressing directions of the two groups of automatic pressing devices are arranged in the same direction, and the bottom ends of the two groups of automatic pressing devices are fixedly connected through a positioning plate (9).
2. The device for ensuring the flatness of the generator according to claim 1, characterized in that the automatic pressing device comprises an L-shaped supporting seat (3), a telescopic cylinder (4) and a pressing plate (5), wherein the transverse end (301) of the L-shaped supporting seat (3) is fixedly arranged on the bottom plate (1), and the fixing part of the telescopic cylinder (4) is arranged on the longitudinal end (302) of the L-shaped supporting seat (3); the pressure plate (5) is arranged in parallel with the longitudinal end (302) of the L-shaped supporting seat (3), and the movable part of the telescopic cylinder (4) is detachably and statically connected with the pressure plate (5); when the movable part of the telescopic cylinder (4) is telescopic, the pressure plate (5) moves back to back or relatively relative to the L-shaped supporting seat (3).
3. The device for ensuring the flatness of the generator according to claim 2, characterized in that the fixed part of the telescopic cylinder (4) is fixedly installed on one side of the longitudinal end (302) of the L-shaped supporting seat (3) through a mounting plate (402), the longitudinal end (302) of the L-shaped supporting seat (3) is provided with a through hole, the axial direction of the through hole is parallel to the transverse end (301) of the L-shaped supporting seat (3), and the movable end of the telescopic cylinder (4) penetrates through the through hole and is matched with the pressing plate (5).
4. The device for ensuring the flatness of the generator according to claim 2, wherein the transverse end (301) of the L-shaped supporting seat (3) is fixedly connected with the bottom plate (1) through a screw (7), the transverse end (301) of the L-shaped supporting seat (3) and the bottom plate (1) are respectively provided with a corresponding positioning hole, and a positioning pin (6) is arranged in each positioning hole.
5. Device for ensuring the flatness of an electric generator according to claim 2, characterized in that the bottom of the pressure plate (5) abuts against the upper surface of the base plate (1), and when the pressure plate (5) moves, the pressure plate (5) is in sliding fit with the base plate (1).
6. The device for ensuring the flatness of a generator according to claim 1, characterized in that a positioning ring (201) is arranged on the positioning table (2), and the positioning ring (201) is matched with the bottom size of the motor (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010592731.5A CN111835156B (en) | 2020-06-24 | 2020-06-24 | Device for ensuring flatness of generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010592731.5A CN111835156B (en) | 2020-06-24 | 2020-06-24 | Device for ensuring flatness of generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111835156A true CN111835156A (en) | 2020-10-27 |
| CN111835156B CN111835156B (en) | 2021-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010592731.5A Active CN111835156B (en) | 2020-06-24 | 2020-06-24 | Device for ensuring flatness of generator |
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| Country | Link |
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| CN (1) | CN111835156B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004297963A (en) * | 2003-03-28 | 2004-10-21 | Denso Corp | Ac generator for vehicle |
| CN202412099U (en) * | 2012-01-10 | 2012-09-05 | 珠海格力电器股份有限公司 | Motor bracket fixing tool |
| CN207039414U (en) * | 2017-05-31 | 2018-02-23 | 庄立 | A kind of more accurately motor case pressing device |
| CN209233659U (en) * | 2019-01-31 | 2019-08-09 | 广西玉柴机器股份有限公司 | A kind of generator integrated morphology |
| CN209380353U (en) * | 2019-01-02 | 2019-09-13 | 贝兰特金属制品（苏州）有限公司 | A kind of motor housing fixture |
-
2020
- 2020-06-24 CN CN202010592731.5A patent/CN111835156B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004297963A (en) * | 2003-03-28 | 2004-10-21 | Denso Corp | Ac generator for vehicle |
| CN202412099U (en) * | 2012-01-10 | 2012-09-05 | 珠海格力电器股份有限公司 | Motor bracket fixing tool |
| CN207039414U (en) * | 2017-05-31 | 2018-02-23 | 庄立 | A kind of more accurately motor case pressing device |
| CN209380353U (en) * | 2019-01-02 | 2019-09-13 | 贝兰特金属制品（苏州）有限公司 | A kind of motor housing fixture |
| CN209233659U (en) * | 2019-01-31 | 2019-08-09 | 广西玉柴机器股份有限公司 | A kind of generator integrated morphology |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111835156B (en) | 2021-07-16 |
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