CN112372274A - Bearing press-fitting equipment for hollow shaft - Google Patents
Bearing press-fitting equipment for hollow shaft Download PDFInfo
- Publication number
- CN112372274A CN112372274A CN202011423293.6A CN202011423293A CN112372274A CN 112372274 A CN112372274 A CN 112372274A CN 202011423293 A CN202011423293 A CN 202011423293A CN 112372274 A CN112372274 A CN 112372274A
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- China
- Prior art keywords
- hollow shaft
- bearing
- rotating body
- pressure sensor
- press
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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
-
- 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
- B23P19/001—Article feeders for assembling machines
Abstract
The invention discloses bearing press-mounting equipment for a hollow shaft, which comprises a bearing feeding mechanism, a hollow shaft feeding mechanism and a rotating body, wherein the rotating body is provided with a slot, the outer circumference of the rotating body is provided with a bearing feeding station and a hollow shaft feeding station, the outer side of the bearing feeding station is provided with a bearing press-in part for pressing the bearing into a shaft end hole of the hollow shaft during working, the bearing press-in part is connected with a pressure sensor, and the pressure sensor is electrically connected with a PLC (programmable logic controller); when the bearing is pressed into the shaft end hole of the hollow shaft by the bearing pressing piece, if the pressure applied to the pressure sensor is within a set range, the equipment continues to work, and if the pressure applied to the pressure sensor is not within the set pressure range, the equipment stops working. The invention can realize automatic press fitting of the bearing in the hollow shaft, has simple structure, realizes synchronous detection of the press fitting pressure of the bearing, ensures the assembly quality of the hollow shaft and avoids unqualified products from flowing into the market.
Description
Technical Field
The invention relates to a device for automatically assembling a hollow shaft and a bearing.
Background
The hollow shaft belongs to one of rotating parts of mechanical equipment, a through hole is penetratingly arranged in the middle of the hollow shaft, and open bearings are assembled at two ends of the through hole. For avoiding the deformation that the open bearing hole after the assembly produced the out-of-range, so need the shaft end hole of hollow shaft machining precision very high, but even so, it has the mistake to detect when the shaft end hole aperture of hollow shaft, or open bearing's excircle tolerance is bigger than normal, or one of the tolerance of hollow shaft and open bearing is in the lower limit at the upper limit, still probably appear the cooperation interference of hollow shaft and open bearing or too loose, the interference leads to open bearing hole to warp too big, cause to generate heat easily at the during operation and even block die, it then leads to the easy open bearing assembly back to appear to loosen easily to cross loose, the during operation noise is big also to generate heat easily, lead to equipment life's shortening equally. However, the above-mentioned situation cannot be solved under the current assembly conditions, and is not easy to be found, and even if the assembly quality is checked again after the assembly, the same is true, and a large amount of manpower and material resources are also needed.
Disclosure of Invention
In view of the defects of the background art, the technical problem to be solved by the invention is to provide bearing press-fitting equipment for a hollow shaft, which can realize automatic press-fitting of a bearing in the hollow shaft, has a simple structure, and realizes synchronous detection of the press-fitting pressure of the bearing so as to ensure the assembly quality of the hollow shaft.
Therefore, the invention is realized by adopting the following scheme:
bearing press fitting equipment of hollow shaft, its characterized in that: the device comprises a bearing feeding mechanism, a hollow shaft feeding mechanism and a rotating body, wherein the rotating body is provided with a slot for inserting the hollow shaft, a bearing feeding station and a hollow shaft feeding station are arranged on the outer circumference of the rotating body, the bearing feeding station corresponds to a discharge hole of the bearing feeding mechanism, the hollow shaft feeding station corresponds to a discharge hole of the hollow shaft feeding mechanism, a bearing pressing piece for pressing the bearing into a shaft end hole of the hollow shaft during working is arranged on the outer side of the bearing feeding station, the bearing pressing piece is movably arranged and connected with a pressure sensor, and the pressure sensor is electrically connected with a PLC (programmable logic controller); when the bearing is pressed into the shaft end hole of the hollow shaft by the bearing pressing piece, if the pressure applied to the pressure sensor is within a set range, the equipment continues to work, and if the pressure applied to the pressure sensor is not within the set pressure range, the equipment stops working.
And a positioning stopper is arranged on the other side of the rotating body corresponding to the bearing feeding station.
The positioning stopper is movably arranged.
The hollow shaft feeding mechanism comprises a hollow shaft vibrating disk, a discharge port of the hollow shaft vibrating disk is provided with a hollow shaft transfer assembly, and the hollow shaft is fed into a slot on the rotating body.
The hollow shaft passes on the subassembly and includes hollow shaft pay-off way, hollow shaft setting element and hollow shaft propelling part, the hollow shaft setting element is connected with third drive assembly be provided with the lifting body between hollow shaft pay-off way and the hollow shaft setting element, set up the cavity that supplies the hollow shaft to send into on the lifting body with running through, the hollow shaft pay-off way can be aimed at with the one end of cavity, the hollow shaft setting element can be aimed at with the other end of cavity, hollow shaft propelling part sets up one side of rotor, when the lifting body removes to and corresponds the department with hollow shaft propelling part, hollow shaft propelling part action in with the hollow shaft propelling part in the rotor to the slot on the rotor.
The bearing feeding mechanism comprises a bearing vibration disc, a bearing feeding channel is arranged at the discharging section of the bearing vibration disc, and the discharging part of the bearing feeding channel is arranged between the rotating body and the bearing pressing-in part.
The movement of the bearing pressing piece is pushed by an electric cylinder, and the pressure sensor is arranged between the bearing pressing piece and the electric cylinder.
By adopting the technical scheme, the invention has the advantages that: the bearing pressing-in part is provided with the pressure sensor, when the bearing pressing-in part presses the bearing into the through hole on the hollow shaft, the pressure sensor can feed back the pressure required for pressing the bearing into the through hole, when the pressure fed back by the pressure sensor is within the pressure range set by the controller, the aperture of the through hole of the hollow shaft is proper at the moment and is just matched with the outer diameter of the bearing, the embedding firmness of the bearing and the hollow shaft is better at the moment, the stability and the reliability of the use of the hollow shaft can be ensured, and when the pressure fed back by the pressure sensor is greater than the range set by the controller, the aperture of the hollow shaft is too small or the outer diameter of the bearing is too large, so that the embedding of the bearing and the hollow shaft is too tight, the deformation of the hollow shaft and the bearing is caused, the stability of the action after the subsequent rotating shaft passes through, the aperture that then explains the hollow shaft is too big or the external diameter undersize of bearing, lead to inlaying of bearing and hollow shaft to adorn the pine excessively, the bearing probably takes place the skew and deviates from even, two kinds of circumstances can all influence the normal use of hollow shaft, equipment stop work this moment, the hollow shaft that shows processing this moment belongs to the waste product, remind operating personnel to reject it, it detects reliability and accurate very high, can carry out the secondary to the hollow shaft that is missed to examine or the false retrieval, can avoid simultaneously because the waste product assembly that the bearing of unqualified size caused, the yield of the bearing pressure equipment of hollow shaft has further been promoted.
Drawings
The invention has the following drawings:
FIG. 1 is a top view of the present invention;
FIG. 2 is a side view of the present invention;
fig. 3 is a structural view of a rotating body of the present invention;
fig. 4 is a view of the bearing of the present invention after it has been pressed into a hollow shaft.
Detailed Description
As shown in the figure, the hollow shaft bearing press-fitting equipment disclosed by the invention comprises a bearing feeding mechanism, a hollow shaft feeding mechanism and a rotating body 4, wherein the rotating body 4 is provided with a slot 19 for inserting a hollow shaft 20, the outer circumference of the rotating body 4 is provided with a bearing feeding station and a hollow shaft feeding station, the bearing feeding station corresponds to a discharge hole of the bearing feeding mechanism, the hollow shaft feeding station corresponds to a discharge hole of the hollow shaft feeding mechanism, the bearing feeding mechanism comprises a bearing vibration disc 1, a bearing feeding channel 2 is arranged at a discharge section of the bearing vibration disc 1, and a discharge part 3 of the bearing feeding channel 2 is arranged between the rotating body 4 and a bearing press-in part 9. The bearing is sent into the outside of station, is equipped with the bearing of during operation impressing the bearing in the shaft end hole of hollow shaft and impresses a 9, and the bearing is impressed a 9 and is made the activity setting, and in this embodiment, the activity that the bearing was impressed a 9 is promoted by first electric jar, and of course, except electric jar structure, can also be common drive assembly such as cam drive assembly, ball screw, linear electric motor, rack and pinion, hold-in range drive assembly. A pressure sensor 8 is arranged on the bearing press-in part 9, and the pressure sensor 8 is electrically connected with the PLC; when the bearing is pressed into the shaft end hole of the hollow shaft by the bearing pressing piece 9, if the pressure applied to the pressure sensor 8 is within the set range, the equipment continues to work, and if the pressure applied to the pressure sensor 8 is not within the set pressure range, the equipment stops working. Furthermore, a positioning stopper 6 is arranged on the other side of the rotating body 4 corresponding to the bearing feeding station so as to support the hollow shaft, and the bearing 22 can be stably pressed into the hollow shaft 20, the positioning stopper 6 is movably arranged, so that the position of the positioning stopper 6 can be conveniently controlled and adjusted to realize abdicating and positioning support, and in the embodiment, the positioning stopper 6 drives the hollow shaft to act through the first air cylinder 5. The hollow shaft feeding mechanism comprises a hollow shaft vibrating disk 1, a discharge port of the hollow shaft vibrating disk 1 is provided with a hollow shaft transferring assembly, and the hollow shaft is fed into a slot 19 on the rotating body 4. Specifically, the hollow shaft transfer assembly comprises a hollow shaft feeding channel 13, a hollow shaft positioning part 11 and a hollow shaft pushing part 14, the hollow shaft pushing part 14 is a pneumatic push rod, the hollow shaft positioning part 11 is connected with a third driving assembly, specifically, the third driving assembly is a second air cylinder 10, a lifting body 15 is arranged between the hollow shaft feeding channel 13 and the hollow shaft positioning piece 11, the lifting body 15 is connected with a lifting driving cylinder 16, and is arranged on a mounting frame 18 in a lifting way, a hollow cavity 17 for feeding a hollow shaft 20 is arranged on a lifting body 15 in a penetrating way, a hollow shaft feeding channel 13 can be aligned with one end of the hollow cavity 17, a hollow shaft positioning piece 11 can be aligned with the other end of the hollow cavity, a hollow shaft pushing piece 14 is arranged on one side of a rotating body, when the lifting body 15 moves to a position corresponding to the hollow shaft pushing member 14, the hollow shaft pushing member 14 acts to push the hollow shaft 20 in the lifting body 15 into the slot 19 on the rotating body 4.
The working principle of the invention is as follows: the hollow shaft 20 is conveyed outwards through the hollow shaft vibration disc 12 and is conveyed into a cavity 17 of the lifting body 15 through the hollow shaft feeding channel 13, then the second air cylinder 10 drives the hollow shaft positioning part 11 to push the hollow shaft in the cavity to a proper position to ensure that only one hollow shaft is in the cavity, then the lifting body 15 descends to a position corresponding to the hollow shaft pushing part 14, the rotating body 4 rotates to a proper angle at the moment, the slot 19 is aligned with the cavity 17 of the lifting body 15, then the hollow shaft pushing part 14 acts to push the hollow shaft in the cavity 17 into the slot 19 of the rotating body 4, the rotating body 4 rotates 90 degrees to ensure that two ends of the hollow shaft 20 are aligned with the positioning blocking part 6 and the bearing pressing part 9 respectively, the first air cylinder 5 drives the positioning blocking part 6 to act to position one end of the hollow shaft 20 to abut against, the electric cylinder 7 drives the bearing pressing part 9 to act to press the bearing 22 conveyed to the discharging part 3 through the bearing vibration disc 1 and the feeding channel 2 into a through hole 21, and then the rotating body 4 is controlled to rotate 180 degrees, and the bearing at the other end of the hollow shaft is embedded.
According to the structure of the invention, the pressure sensor 8 is arranged on the bearing press-in part 9, when the bearing press-in part 9 presses the bearing 22 into the through hole 21 on the hollow shaft 20, the pressure sensor 8 can feed back the pressure required for pressing the bearing 22, when the pressure fed back by the pressure sensor 8 is within the pressure range set by the controller, the situation that the aperture size of the through hole 21 of the hollow shaft 20 is suitable for being matched with the outer diameter of the bearing and just matched with the outer diameter of the bearing 22 is indicated, the embedding firmness of the bearing and the bearing is good at the moment, the use stability and reliability can be ensured, and when the pressure fed back by the pressure sensor 8 is greater than the range set by the controller, the situation that the aperture size of the hollow shaft 20 is too small or the outer diameter of the bearing is too large is indicated, so that the embedding of the bearing 22 and the hollow shaft 20 is too tight, the deformation of the hollow shaft 20 and the bearing, when the pressure fed back by the pressure sensor 8 is smaller than the set range of the pressure sensor, the situation that the aperture 21 of the hollow shaft 20 is too large or the outer diameter of the bearing is too small is indicated, the embedding of the bearing 22 and the hollow shaft 20 is too loose, the bearing 22 is likely to deviate or even deviate, the normal use of the hollow shaft 20 is affected under the two conditions, the equipment stops working at the moment, the fact that the processed hollow shaft belongs to a waste product is indicated, an operator is reminded to reject the hollow shaft, the detection reliability and the detection accuracy are very high, secondary detection can be carried out on the hollow shaft which is missed or mistakenly detected, meanwhile, the waste product assembly caused by the bearing with the unqualified size can be avoided, and the yield of bearing press-mounting.
Claims (7)
1. Bearing press fitting equipment of hollow shaft, its characterized in that: the device comprises a bearing feeding mechanism, a hollow shaft feeding mechanism and a rotating body, wherein the rotating body is provided with a slot for inserting the hollow shaft, a bearing feeding station and a hollow shaft feeding station are arranged on the outer circumference of the rotating body, the bearing feeding station corresponds to a discharge hole of the bearing feeding mechanism, the hollow shaft feeding station corresponds to a discharge hole of the hollow shaft feeding mechanism, a bearing pressing piece for pressing the bearing into a shaft end hole of the hollow shaft during working is arranged on the outer side of the bearing feeding station, the bearing pressing piece is movably arranged and connected with a pressure sensor, and the pressure sensor is electrically connected with a PLC (programmable logic controller); when the bearing is pressed into the shaft end hole of the hollow shaft by the bearing pressing piece, if the pressure applied to the pressure sensor is within a set range, the equipment continues to work, and if the pressure applied to the pressure sensor is not within the set pressure range, the equipment stops working.
2. A bearing press-fitting apparatus for a hollow shaft according to claim 1, wherein: and a positioning stopper is arranged on the other side of the rotating body corresponding to the bearing feeding station.
3. A bearing press-fitting apparatus for a hollow shaft according to claim 2, wherein: the positioning stopper is movably arranged.
4. A bearing press-fitting apparatus for a hollow shaft according to claim 1, wherein: the hollow shaft feeding mechanism comprises a hollow shaft vibrating disk, a discharge port of the hollow shaft vibrating disk is provided with a hollow shaft transfer assembly, and the hollow shaft is fed into a slot on the rotating body.
5. A bearing press-fitting apparatus for a hollow shaft according to claim 4, wherein: the hollow shaft passes on the subassembly and includes hollow shaft pay-off way, hollow shaft setting element and hollow shaft propelling part, the hollow shaft setting element is connected with third drive assembly be provided with the lifting body between hollow shaft pay-off way and the hollow shaft setting element, set up the cavity that supplies the hollow shaft to send into on the lifting body with running through, the hollow shaft pay-off way can be aimed at with the one end of cavity, the hollow shaft setting element can be aimed at with the other end of cavity, hollow shaft propelling part sets up one side of rotor, when the lifting body removes to and corresponds the department with hollow shaft propelling part, hollow shaft propelling part action in with the hollow shaft propelling part in the rotor to the slot on the rotor.
6. A bearing press-fitting apparatus for a hollow shaft according to claim 1, wherein: the bearing feeding mechanism comprises a bearing vibration disc, a bearing feeding channel is arranged at the discharging section of the bearing vibration disc, and the discharging part of the bearing feeding channel is arranged between the rotating body and the bearing pressing-in part.
7. A bearing press-fitting apparatus for a hollow shaft according to claim 1, wherein: the movement of the bearing pressing piece is pushed by an electric cylinder, and the pressure sensor is arranged between the bearing pressing piece and the electric cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011423293.6A CN112372274A (en) | 2020-12-08 | 2020-12-08 | Bearing press-fitting equipment for hollow shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011423293.6A CN112372274A (en) | 2020-12-08 | 2020-12-08 | Bearing press-fitting equipment for hollow shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112372274A true CN112372274A (en) | 2021-02-19 |
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ID=74589515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011423293.6A Pending CN112372274A (en) | 2020-12-08 | 2020-12-08 | Bearing press-fitting equipment for hollow shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112372274A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114850826A (en) * | 2022-05-26 | 2022-08-05 | 湖南工业智能体创新研究院有限公司 | Method for assembling gear components |
-
2020
- 2020-12-08 CN CN202011423293.6A patent/CN112372274A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114850826A (en) * | 2022-05-26 | 2022-08-05 | 湖南工业智能体创新研究院有限公司 | Method for assembling gear components |
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