CN111922675A - Rotor both ends bearing pressure equipment - Google Patents

Rotor both ends bearing pressure equipment Download PDF

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Publication number
CN111922675A
CN111922675A CN202010728598.1A CN202010728598A CN111922675A CN 111922675 A CN111922675 A CN 111922675A CN 202010728598 A CN202010728598 A CN 202010728598A CN 111922675 A CN111922675 A CN 111922675A
Authority
CN
China
Prior art keywords
positioning column
bearing
bearing positioning
fixed cylinder
workpiece
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010728598.1A
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Chinese (zh)
Inventor
任秉文
郭刚浩
黄金宝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hengdian Group Innuovo Electric Co Ltd
Original Assignee
Hengdian Group Innuovo Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hengdian Group Innuovo Electric Co Ltd filed Critical Hengdian Group Innuovo Electric Co Ltd
Priority to CN202010728598.1A priority Critical patent/CN111922675A/en
Publication of CN111922675A publication Critical patent/CN111922675A/en
Pending legal-status Critical Current

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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
    • 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
    • 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
    • H02K15/02—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
    • H02K15/14—Casings; Enclosures; Supports

Abstract

The invention relates to a bearing pressing device for two ends of a rotor, which comprises an upper bearing positioning column and a lower bearing positioning column, wherein the upper bearing positioning column is used for fixing an upper bearing workpiece, the lower bearing positioning column is used for fixing a lower bearing workpiece, the lower end of the upper bearing positioning column is provided with an upper tip coaxial with the upper bearing positioning column, the upper end of the lower bearing positioning column is provided with a lower tip coaxial with the lower bearing positioning column, the upper tip and the lower tip are oppositely arranged and can elastically stretch, the upper tip and the lower tip can move relatively, a first annular ejector block used for supporting the upper bearing workpiece is sleeved on the upper bearing positioning column, and a second annular ejector block used for supporting the lower bearing workpiece is sleeved on the lower bearing positioning column. The invention has the characteristics of high press-fitting efficiency, good press-fitting quality and the like.

Description

Rotor both ends bearing pressure equipment
Technical Field
The invention relates to a device for pressing bearings at two ends of a rotor, and belongs to the technical field of bearing press fitting.
Background
The existing motor rotor bearing press-mounting device has two types, namely a vertical type and a horizontal type. In the vertical bearing press-fitting device, an operator needs to manually put one bearing into the lower press-fitting mold, put the rotor into the press-fitting machine, put the other bearing into the upper end of the rotor shaft and press-fit the bearings at two ends by holding the rotor by hand.
Although the risk coefficient of an operator is reduced to a certain extent, when the horizontal bearing press-mounting machine is used for press-mounting, one end of the rotor rotating shaft is firstly press-mounted, and then the other end of the rotating shaft is press-mounted, so that the press-mounting efficiency of the rotor bearing is low, and the press-mounting quality of the bearings at two ends of the rotating shaft can be influenced.
Disclosure of Invention
The invention aims to provide a press fitting machine, which solves the problems of low press fitting efficiency, poor press fitting quality and the like in the prior art.
The technical purpose of the invention is mainly solved by the following technical scheme: a bearing pressing device for two ends of a rotor comprises an upper bearing positioning column and a lower bearing positioning column, wherein the upper bearing positioning column is used for fixing an upper bearing workpiece, the lower bearing positioning column is used for fixing a lower bearing workpiece, an upper tip coaxial with the upper bearing positioning column is arranged at the lower end of the upper bearing positioning column, a lower tip coaxial with the lower bearing positioning column is arranged at the upper end of the lower bearing positioning column, the upper tip and the lower tip are oppositely arranged and can elastically stretch, the upper tip and the lower tip can move relatively, a first annular ejector block used for supporting the upper bearing workpiece is sleeved on the upper bearing positioning column, and a second annular ejector block used for supporting the lower bearing workpiece is sleeved on the lower bearing positioning column; the top sets up with lower top on the aforesaid, so that carry out the centre gripping to the rotor work piece, and go up top and top relative movement and elastic expansion down, make the rotor work piece can top and top down in the anti-top, thereby make the axle of rotor work piece replace top position, make the rotor work piece just insert the centre bore of two bearing work pieces through the location of upper bearing reference column and lower bearing reference column to two bearing work pieces, thereby realize the accurate pressure equipment of bearing to the rotor both ends, the effectual pressure equipment precision and the pressure equipment efficiency that have improved, the pressure equipment quality has been guaranteed simultaneously.
Preferably, the first annular top block is provided with a plurality of permanent magnets for adsorbing the upper bearing workpiece; the permanent magnet is arranged so as to fix the upper bearing workpiece, prevent the upper bearing workpiece from falling downwards above and ensure the stability of the upper bearing workpiece.
Preferably, a first annular outer protrusion is arranged on the side wall of the upper end of the upper bearing positioning column, a first fixed cylinder is arranged at the upper end of the first annular top block, and the inner wall of the first fixed cylinder is abutted to the outer wall of the first annular outer protrusion; the setting of above-mentioned first annular is protruding and first fixed cylinder for go up the apex can be stable move in first fixed cylinder, avoid going up the apex and taking place the skew when removing, and first fixed cylinder can with the cooperation of first annular kicking block, and the formation of protruding outside first annular stops, avoids going up the apex and breaks away from.
Preferably, a first elastic part connected with the upper bearing positioning column is arranged in the first fixing cylinder; the first elastic piece is arranged, so that the upper top point can elastically stretch out and draw back, the upper top point can automatically separate from the central hole of the bearing workpiece, and the rotor workpiece shaft can be inserted.
Preferably, a second annular outer protrusion is arranged on the side wall of the bottom end of the lower bearing positioning column, a second fixed cylinder is arranged at the lower end of the second annular top block, and the outer wall of the second annular outer protrusion is abutted to the inner wall of the second fixed cylinder; above-mentioned second annular outer protrusion and the setting of the fixed section of thick bamboo of second to tip breaks away from in the fixed section of thick bamboo of second under keeping stable the removal in the fixed section of thick bamboo of second, the increase stability is avoided simultaneously down.
Preferably, a second elastic part connected with the lower bearing positioning column is arranged in the second fixing cylinder; the arrangement of the second elastic part enables the lower tip to realize elastic expansion, so that the lower tip can automatically contract to the second fixing cylinder, and a shaft of a rotor workpiece can conveniently enter the center hole of the bearing to realize press mounting.
Preferably, the upper end of the first fixed cylinder is fixed on the top plate, the bottom end of the second fixed cylinder is fixed on the bottom plate, and the bottom plate supports the top plate through the supporting plate; the arrangement of the top plate and the bottom plate enables the upper tip and the lower tip to be fixed at the upper position and the lower position respectively, so that the distribution of the upper position and the lower position is realized, the two ends of the rotor workpiece can be pressed simultaneously, the pressing efficiency is effectively improved, and the safety and the stability are improved.
Preferably, a press for driving the first fixed cylinder to move downwards is arranged at the top of the top plate, and the output end of the press is connected with the first fixed cylinder; the press is arranged, so that press-fitting power is increased, press-fitting is more stable and reliable, press-fitting in place is guaranteed, and press-fitting quality is enhanced.
Therefore, the invention has the characteristics of high press-fitting efficiency, good press-fitting quality and the like.
Drawings
FIG. 1 is a perspective view of the present invention;
fig. 2 is a schematic view showing a structure in which the upper and lower apexes of fig. 1 are engaged.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
As shown in fig. 1-2, a bearing pressing device for two ends of a rotor comprises an upper bearing positioning column 10 for fixing an upper bearing workpiece and a lower bearing positioning column 20 for fixing a lower bearing workpiece, wherein the lower end of the upper bearing positioning column 10 is provided with an upper center 1 coaxial with the upper bearing positioning column 10, the upper end of the lower bearing positioning column 20 is provided with a lower center 2 coaxial with the lower bearing positioning column 20, the upper center 1 and the lower center 2 are oppositely arranged and can elastically expand and contract, the upper center 1 and the lower center 2 can relatively move, the upper bearing positioning column 10 is sleeved with a first annular top block 11 for supporting the upper bearing workpiece, the lower bearing positioning column 20 is sleeved with a second annular top block 21 for supporting the lower bearing workpiece, the upper center and the lower center are arranged so as to clamp the rotor workpiece, and the upper center and the lower center can relatively move and elastically expand and contract so that the rotor workpiece can reversely push the upper center and the lower center, the shaft of the rotor workpiece can replace the position of the center, and the rotor workpiece is just inserted into the central holes of the two bearing workpieces by positioning the two bearing workpieces through the upper bearing positioning column and the lower bearing positioning column, so that the bearings at the two ends of the rotor are accurately pressed, the pressing precision and the pressing efficiency are effectively improved, and the pressing quality is ensured; the first annular top block 11 is provided with a plurality of permanent magnets 111 for adsorbing an upper bearing workpiece; the permanent magnet is arranged so as to fix the upper bearing workpiece, prevent the upper bearing workpiece from falling downwards above and ensure the stability of the upper bearing workpiece.
As shown in fig. 2, a first annular outer protrusion 12 is arranged on the side wall of the upper end of the upper bearing positioning column, a first fixed cylinder 13 is arranged at the upper end of the first annular ejector block 11, the inner wall of the first fixed cylinder 13 abuts against the outer wall of the first annular outer protrusion 12, and the first annular protrusion and the first fixed cylinder are arranged so that the upper center can stably move in the first fixed cylinder, thereby preventing the upper center from shifting during moving; a first elastic part 131 connected with the upper bearing positioning column is arranged in the first fixed cylinder 13, and the arrangement of the first elastic part enables the upper top point to realize elastic expansion so as to automatically separate from the central hole of the bearing workpiece and enable the shaft of the rotor workpiece to be inserted; the first elastic piece is arranged by adopting a spiral spring.
As shown in fig. 2, a second annular outer protrusion 22 is arranged on the side wall of the bottom end of the lower bearing positioning column, a second fixed cylinder 23 is arranged at the lower end of the second annular top block 21, the outer wall of the second annular outer protrusion 22 is abutted to the inner wall of the second fixed cylinder 23, and the second annular outer protrusion and the second fixed cylinder are arranged so as to keep the lower tip to stably move in the second fixed cylinder, avoid the lower tip from being separated from the second fixed cylinder, and increase the stability; a second elastic part 231 connected with the lower bearing positioning column is arranged in the second fixed cylinder 23, and the arrangement of the second elastic part enables the lower center to realize elastic expansion so as to automatically contract to the second fixed cylinder, thereby facilitating the shaft of the rotor workpiece to enter the central hole of the bearing to realize press mounting; the second elastic piece is arranged by adopting a spiral spring.
As shown in fig. 1, the upper end of the first fixed cylinder 13 is fixed on the top plate 3, the bottom end of the second fixed cylinder 13 is fixed on the bottom plate 4, the bottom plate 4 supports the top plate 3 through the supporting plate 31, and the top plate and the bottom plate are arranged to respectively fix the upper center and the lower center at the upper position and the lower position, so that the distribution of the upper position and the lower position is realized, the two ends of the rotor workpiece can be simultaneously press-fitted, the press-fitting efficiency is effectively improved, and the rotor workpiece is safer and more stable; the top of roof 3 is equipped with the press 32 that is used for driving first fixed cylinder to move down, and the output of press 32 is connected with first fixed cylinder 13, the setting of press to increase pressure equipment power, make the pressure equipment more reliable and stable, guarantee that the pressure equipment targets in place, strengthen the pressure equipment quality.
Before press-mounting the bearing workpieces, the two bearing workpieces are sleeved on an upper bearing positioning column and a lower bearing positioning column respectively, then the rotor workpiece is placed between an upper tip and a lower tip, the upper tip and the lower tip shrink first, then a first elastic piece and a second elastic piece can react with the upper tip and the lower tip to enable the upper tip and the lower tip to prop against and elastically clamp two ends of the rotor workpiece, after the rotor workpiece is clamped, a press drives a first fixed cylinder to move downwards, the upper tip moves downwards along with the first fixed cylinder, the upper tip moves downwards to be blocked by the rotor workpiece, an upper bearing positioning column and a lower bearing positioning column shrink into the first fixed cylinder and the second fixed cylinder respectively, the upper bearing positioning column and the lower bearing positioning column are separated from the bearing workpieces gradually, a shaft of the rotor workpiece enters a central hole of the bearing workpiece gradually, and the press continues to press the shaft of the rotor workpiece into the bearing workpiece completely, the upper bearing positioning column and the lower bearing positioning column are completely separated from the bearing workpiece at the moment and respectively contracted into the first fixed cylinder and the second fixed cylinder, so that press mounting is completed.

Claims (8)

1. The utility model provides a bearing equipment is pressed at rotor both ends which characterized in that: the upper bearing positioning column comprises an upper bearing positioning column (10) used for fixing an upper bearing workpiece and a lower bearing positioning column (20) used for fixing a lower bearing workpiece, wherein an upper tip (1) coaxial with the upper bearing positioning column (10) is arranged at the lower end of the upper bearing positioning column (10), a lower tip (2) coaxial with the lower bearing positioning column (20) is arranged at the upper end of the lower bearing positioning column (20), the upper tip (1) and the lower tip (2) are oppositely arranged and can elastically stretch out and draw back, the upper tip (1) and the lower tip (2) can move relatively, a first annular ejector block (11) used for supporting the upper bearing workpiece is sleeved on the upper bearing positioning column (10), and a second annular ejector block (21) used for supporting the lower bearing workpiece is sleeved on the lower bearing positioning column (20).
2. A rotor end bearing press apparatus according to claim 1, wherein: the first annular ejector block (11) is provided with a plurality of permanent magnets (111) for adsorbing an upper bearing workpiece.
3. A rotor end bearing press apparatus according to claim 1, wherein: the upper bearing positioning column is characterized in that a first annular outer protrusion (12) is arranged on the side wall of the upper end of the upper bearing positioning column (10), a first fixed cylinder (13) is arranged at the upper end of the first annular top block (11), and the inner wall of the first fixed cylinder (13) is abutted to the outer wall of the first annular outer protrusion (12).
4. A rotor end bearing press apparatus according to claim 3, wherein: and a first elastic part (131) connected with the upper bearing positioning column (10) is arranged in the first fixed cylinder (13).
5. A rotor end bearing press apparatus according to claim 3, wherein: and a second annular outer protrusion (22) is arranged on the side wall of the bottom end of the lower bearing positioning column (20), a second fixed cylinder (23) is arranged at the lower end of the second annular top block (21), and the outer wall of the second annular outer protrusion (22) is abutted against the inner wall of the second fixed cylinder (23).
6. The rotor end-bearing apparatus of claim 5, wherein: and a second elastic piece (231) connected with the lower bearing positioning column (20) is arranged in the second fixed cylinder (23).
7. The rotor end-bearing apparatus of claim 5, wherein: the upper end of the first fixed cylinder (13) is fixed on the top plate (3), the bottom end of the second fixed cylinder (13) is fixed on the bottom plate (4), and the bottom plate (4) supports the top plate (3) through the supporting plate (31).
8. A rotor end bearing press apparatus according to claim 3, wherein: the top of the top plate (3) is provided with a press (32) for driving the first fixed cylinder (13) to move downwards, and the output end of the press (31) is connected with the first fixed cylinder (13).
CN202010728598.1A 2020-07-27 2020-07-27 Rotor both ends bearing pressure equipment Pending CN111922675A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010728598.1A CN111922675A (en) 2020-07-27 2020-07-27 Rotor both ends bearing pressure equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010728598.1A CN111922675A (en) 2020-07-27 2020-07-27 Rotor both ends bearing pressure equipment

Publications (1)

Publication Number Publication Date
CN111922675A true CN111922675A (en) 2020-11-13

Family

ID=73314746

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010728598.1A Pending CN111922675A (en) 2020-07-27 2020-07-27 Rotor both ends bearing pressure equipment

Country Status (1)

Country Link
CN (1) CN111922675A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112756945A (en) * 2021-01-29 2021-05-07 东风汽车集团股份有限公司 Joint head bush press-fitting equipment
CN113664506A (en) * 2021-09-22 2021-11-19 博众精工科技股份有限公司 Automatic two segmentation pressure equipment devices

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112756945A (en) * 2021-01-29 2021-05-07 东风汽车集团股份有限公司 Joint head bush press-fitting equipment
CN113664506A (en) * 2021-09-22 2021-11-19 博众精工科技股份有限公司 Automatic two segmentation pressure equipment devices

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