CN209867862U - Bearing press-mounting machine - Google Patents
Bearing press-mounting machine Download PDFInfo
- Publication number
- CN209867862U CN209867862U CN201920478568.2U CN201920478568U CN209867862U CN 209867862 U CN209867862 U CN 209867862U CN 201920478568 U CN201920478568 U CN 201920478568U CN 209867862 U CN209867862 U CN 209867862U
- Authority
- CN
- China
- Prior art keywords
- annular base
- bearing
- toothed
- chuck
- centering
- 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.)
- Active
Links
Landscapes
- Automatic Assembly (AREA)
Abstract
The utility model relates to a bearing assembly technical field, concretely relates to bearing press-mounting machine, including chuck, tamp and fixing device, aircraft nose fixed mounting is on the fuselage, the lift post is installed at the aircraft nose, the workstation is installed in the fuselage top, chuck fixed mounting is at lift post lower extreme, open at the workstation middle part has the through-hole, the tamp includes clamping part and work portion, the clamping part is cylindrically, the clamping part is fixed by the chuck chucking, the terminal surface of work portion conforms with the interior annular form size of waiting to press the bearing, fixing device is including righting device and strutting arrangement, righting device makes the work piece axle with the tamp with the axle center, strutting arrangement supports in work piece axle bottom. The utility model discloses a substantive effect is: the fixing device is divided into the supporting device and the righting device, so that centering and fixing of the workpiece shaft and the pressing tool are respectively carried out, the centering process of the workpiece shaft can be accelerated, the press mounting of various types of small-batch shafts and bearings is facilitated, and the press mounting of the sealing rings can be carried out by the same device.
Description
Technical Field
The utility model relates to a bearing assembly technical field, concretely relates to bearing installation.
Background
When a bearing needs to be installed on a shaft part, the shaft part is firstly centered manually, the shaft part or the bearing is knocked by external force, and the bearing is sleeved on the shaft part. Such a mounting operation is relatively simple, but easily damages the bearing and the shaft, and it is difficult to secure an accurate mounting position of the bearing. Moreover, such a mounting method is inefficient and cannot meet the requirements for mass production. The press-fitting tool disclosed in chinese patent CN105856158A can improve the work efficiency of bearing press-fitting, but the tool formed by using the combined fixture needs to perform centering work first, and after centering, only the bearing and the shaft of the same model can be press-fitted. When the model is changed, the centering work needs to be carried out again. The centering needs a lot of time, is not suitable for various types and small batches, and even is complicated when in sporadic press fitting work.
Chinese patent CN102931772B, published 2015, 9.16.a press-mounting machine for motor end cap bearings, which is provided with rollers on the upper surface of a workbench, a pressing plate and a hydraulic cylinder are arranged below the workbench, a top plate is arranged above the workbench, a round hole is arranged at the center of the workbench, a universal ball is arranged on the inner wall of the round hole, and the diameter of the pressing plate is smaller than that of the round hole on the workbench. It designs into the slidingtype with the workstation, no matter how big multiple motor end cover and bearing, only needs one just can easily push the center of workstation, and has guaranteed the quality, has improved work efficiency. But its sliding table increases the position error between the bearing and the end cap, requiring a worker to spend a lot of time in alignment, resulting in poor concentricity of the finally assembled bearing and the end cap hole.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the technical problem that the existing bearing press mounting is too complicated or low in efficiency is solved. The bearing press-fitting machine adopts the rapid centering device and can effectively improve the bearing press-fitting efficiency and precision.
In order to solve the technical problem, the utility model discloses the technical scheme who takes does: the utility model provides a bearing press-fitting machine, includes fuselage, aircraft nose, lift post and workstation for will treat that the pressure bearing press-fitting is epaxial at the work piece, still include chuck, tamp and fixing device, aircraft nose fixed mounting is on the fuselage, the lift post is installed on the aircraft nose, the workstation is installed in the fuselage top, chuck fixed mounting is at lift post lower extreme, open at the workstation middle part has the through-hole, the tamp includes clamping part and working part, the clamping part is cylindrically, the clamping part by the chuck chucking is fixed, the terminal surface of working part accords with the inner circle form size of treating the pressure bearing, fixing device is including righting device and strutting arrangement, righting the device makes the work piece axle is with the axle center with the tamp, strutting arrangement supports work piece axle bottom. The fixing device is divided into the supporting device and the righting device, so that the centering and the fixing of the workpiece shaft and the pressing tool are respectively carried out, and the centering process of the workpiece shaft can be accelerated.
Preferably, the centering device comprises an annular base, at least three centering rods, at least three toothed nuts, a toothed disc, a tightening handle and a gear, wherein the toothed disc is concentrically clamped with the annular base, the toothed nuts are annular, the toothed disc is a disc with a hollow middle part, teeth are machined on one end surface of the disc, internal threads are machined in inner holes of the toothed nuts, teeth meshed with the toothed disc are machined on an outer cylindrical surface of the toothed disc, a plurality of accommodating holes hinged to the toothed nuts are axially formed in the annular base, central axes of the toothed nuts are in the radial direction of the annular base, external threads matched with the internal threads of the toothed nuts are machined on the outer wall of the rear part of the centering rods, the centering rods penetrate through the annular base along the meridian direction of the annular base, and grooves are machined in the outer edges of the centering rods along the extending direction of the centering rods, the gear is hinged to and installed in the annular base, the gear is meshed with the fluted disc, the tightening handle is fixedly connected with the gear in a concentric mode, and the tightening handle extends out of the annular base. The fluted disc drives the nut that takes the tooth to rotate, because the recess on the pole of righting and the protruding joint of annular base lead to righting the pole and can not rotate, therefore the pole of righting will stretch out or retract under the effect of the nut that takes the tooth, play and right the work piece axle to the position concentric with the tamp, right fast moreover, and strutting arrangement can provide the holding power for the work piece axle.
Preferably, a clamping head is processed at the front end of the righting rod, a steel column is clamped in the clamping head, the clamping head comprises a clamping claw and a jacking surface, the axis of the steel column is perpendicular to the central axis of the righting rod, the cylindrical surface of the steel column is abutted against the jacking surface, the clamping claw is abutted against the cylindrical surface of the steel column, and the axis of the steel column is located between the abutting part of the clamping claw and the cylindrical surface of the steel column and the jacking surface. The steel column can rotate, and when the work piece axle pressurized produced the strain, the work piece axle will take place a small amount of displacements relative to righting the pole, can avoid righting the pole through the rotation of steel column and produce small scars to the work piece axle surface, avoid the damage of work piece axle.
Preferably, the supporting device comprises a supporting plate and a lifting device, the machine body is located below the workbench and provided with a containing cavity, the lifting device is fixedly installed in the machine body in the containing cavity, the supporting plate is fixedly installed at the lifting end of the lifting device, and the supporting plate is abutted to the end face of the workpiece shaft. The lifting device can be suitable for press mounting of workpiece shafts with different lengths.
Preferably, the outer wall of the clamping part of the pressing tool is processed with a reticulate pattern. The reticulate pattern can improve the frictional force of chuck to the tamp, avoids the tamp to produce small removal when the tamp is pressed, reduces the bearing press-fitting precision.
Preferably, the chuck is a three-jaw chuck, and the hole in the middle of the workbench and the annular base are concentric with the three-jaw chuck.
Preferably, an end surface of the support plate abutting against the workpiece shaft is provided with annular grooves.
The utility model discloses a substantive effect is: the fixing device is divided into the supporting device and the righting device, so that centering and fixing of the workpiece shaft and the pressing tool are respectively carried out, the centering process of the workpiece shaft can be accelerated, the press mounting of various types of small-batch shafts and bearings is facilitated, and the press mounting of the sealing rings can be carried out by the same device.
Drawings
FIG. 1 is a schematic structural diagram of a bearing press according to an embodiment.
FIG. 2 is a schematic diagram of an internal structure of a bearing press according to the embodiment.
Fig. 3 is a schematic structural view of a second centering device according to an embodiment.
Fig. 4 is a schematic view of an internal structure of the second centering device according to the embodiment.
Fig. 5 is a schematic structural view of a second righting rod of the embodiment.
Wherein: 1. the device comprises a machine head, 2, a lifting column, 3, a chuck, 4, a pressing tool, 5, a bearing, 6, a workbench, 7, a cover plate, 8, a workpiece shaft, 9, a machine body, 10, a centering device, 11, a supporting plate, 12, a lifting device, 13, an annular base, 14, a centering rod, 15, a toothed nut, 16, a steel column, 17, a tightening handle, 18, a gear, 19, a fluted disc, 20 and a clamping head.
Detailed Description
The following provides a more detailed description of the present invention, with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a bearing 5 press-fitting machine according to an embodiment.
Fig. 2 is a schematic view of an internal structure of a press-fitting machine of a bearing 5 according to an embodiment.
Fig. 3 is a schematic structural view of a second centering device 10 according to an embodiment.
Fig. 4 is a schematic view of the internal structure of the second centralizer 10 according to the embodiment.
Fig. 5 is a schematic structural view of the second righting bar 14 of the embodiment.
Wherein: 1. the device comprises machine heads 1 and 2, lifting columns 2 and 3, chucks 3 and 4, pressing tools 4 and 5, bearings 5 and 6, working tables 6 and 7, cover plates 7 and 8, workpiece shafts 8 and 9, machine bodies 9 and 10, centering devices 10 and 11, supporting plates 11 and 12, lifting devices 12 and 13, annular bases 13 and 14, centering rods 14 and 15, toothed nuts 15 and 16, steel columns 16 and 17, tightening handles 17 and 18, gears 18 and 19, fluted discs 19 and 20 and clamping heads 20.
The first embodiment is as follows:
a bearing 5 press-mounting machine is shown in figure 1, which is a structural schematic diagram of the press-mounting machine in the embodiment, as shown in figure 2, which is an internal structural schematic diagram of the press-mounting machine in the embodiment, the embodiment comprises a machine body 9, a machine head 1, a lifting column 2 and a workbench 6, which are used for press-mounting a bearing 5 to be pressed on a workpiece shaft 8, and further comprises a chuck 3, a press tool 4 and a fixing device, wherein the machine head 1 is fixedly arranged on the machine body 9, the lifting column 2 is arranged on the machine head 1, the workbench 6 is arranged above the machine body 9, the chuck 3 is fixedly arranged at the lower end of the lifting column 2, a through hole is coaxially arranged in the middle of the workbench 6, the press tool 4 comprises a clamping part and a working part, the clamping part is cylindrical, the clamping part is clamped and fixed by the chuck 3, the end face of the working part conforms to the shape and size of an inner ring of the bearing 5 to be pressed, the fixing device comprises a, the support device is supported at the bottom end of the workpiece shaft 8. The fixing device is divided into the supporting device and the righting device 10, so that the centering and the fixing of the workpiece shaft 8 and the pressing device 4 are respectively carried out, and the centering process of the workpiece shaft 8 can be accelerated. When the bearing 5 needs to be pressed into an end cover or a box body, the workbench 6 can be used for tooling by adopting a combined clamp in the prior art, and the details are not described herein.
The supporting device comprises a supporting plate 11 and a lifting device 12, the machine body 9 is located below the workbench 6, the cavity is formed in the position, located below the workbench, of the machine body 9, the lifting device 12 is fixedly installed in the cavity formed in the machine body 9, the side face of the cavity, located on the side face of the machine body 9, penetrates through the machine body 9, the penetrating position is covered through a cover plate 7, the supporting plate 11 is fixedly installed at the lifting end of the lifting device 12, and the supporting plate 11 is. The lifting device 12 can be used for pressing the workpiece shafts 8 with different lengths.
The outer wall of the clamping part of the pressing tool 4 is processed with reticulate patterns. The reticulate pattern can improve the frictional force of the chuck 3 to the presser 4, avoid the presser 4 to produce small movement when being pressed, and reduce the press mounting precision of the bearing 5. Annular grooves are processed on the end face of the supporting disc 11, which is abutted to the workpiece shaft 8.
Example two:
the embodiment is a specific improvement of a centering device 10, as shown in fig. 3, which is a schematic structural diagram of a second centering device of the embodiment, as shown in fig. 4, which is a schematic structural diagram of an internal structure of a second centering device of the embodiment, the centering device 10 includes an annular base 13, at least three centering rods 14, at least three toothed nuts 15, a toothed disc 19, a tightening handle 17, and a gear 18, the toothed disc 19 is concentrically clamped with the annular base 13, the toothed nuts 15 are annular, the toothed disc 19 is disc-shaped with a hollow center, teeth are machined on one end surface of the disc, internal threads are machined in internal holes of the toothed nuts 15, teeth meshed with the toothed disc 19 are machined on an external cylindrical surface of the toothed teeth, the annular base 13 is axially provided with a plurality of receiving holes hinged with the toothed nuts 15, central axes of the plurality of toothed nuts 15 are all in a radial direction of the annular base 13, external threads matched with the internal threads of the toothed nuts, the centering rod 14 penetrates through the annular base 13 along the warp direction of the annular base 13, a groove is machined in the outer edge of the centering rod 14 along the extending direction of the centering rod 14, a protrusion clamped with the groove is fixed on the annular base 13, the front end of the centering rod 14 is abutted against the workpiece shaft 8, the distances from the front ends of the centering rods 14 to the central axis of the annular base 13 are equal, the gear 18 is hinged and installed in the annular base 13, the gear 18 is meshed with the fluted disc 19, the tightening handle 17 is concentrically and fixedly connected with the gear 18, and the tightening handle 17 extends out of the annular base 13. The toothed disc 19 drives the toothed nut 15 to rotate, and the centering rod 14 cannot rotate due to the fact that the groove in the centering rod 14 is clamped with the protrusion of the annular base 13, so that the centering rod 14 extends or retracts under the action of the toothed nut 15, the workpiece shaft 8 is centered to be concentric with the pressing tool 4, centering is fast, and the supporting device can provide supporting force for the workpiece shaft 8.
As shown in fig. 5, which is a schematic structural view of the second centralizing rod of the embodiment, a chuck 20 is processed at the front end of the centralizing rod 14, a steel column 16 is clamped in the chuck 20, the chuck 20 includes a clamping jaw and a tightening surface, the axis of the steel column 16 is perpendicular to the central axis of the centralizing rod 14, the cylindrical surface of the steel column 16 abuts against the tightening surface, the clamping jaw abuts against the cylindrical surface of the steel column 16, and the axis of the steel column 16 is located between the abutting position of the clamping jaw and the cylindrical surface of the steel column 16 and the tightening surface. The steel column 16 can rotate, when the workpiece shaft 8 is stressed to generate strain, the workpiece shaft 8 is slightly displaced relative to the righting rod 14, and the steel column 16 can rotate to prevent the righting rod 14 from generating tiny scars on the surface of the workpiece shaft 8, so that the workpiece shaft 8 is prevented from being damaged. The rest of the structure is the same as the first embodiment.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the scope of the claims.
Claims (7)
1. A bearing press-mounting machine comprises a machine body, a machine head, a lifting column and a workbench, is used for press-mounting a bearing to be pressed on a workpiece shaft, and is characterized in that,
still include chuck, tamp and fixing device, aircraft nose fixed mounting is on the fuselage, the lift post is installed on the aircraft nose, the workstation is installed in the fuselage top, chuck fixed mounting is at the lift post lower extreme, open at the workstation middle part has the through-hole, the tamp includes clamping part and work portion, the clamping part is cylindrically, the clamping part by the chuck chucking is fixed, the terminal surface of work portion accords with the inner circle shape form size of treating the pressure bearing, fixing device is including righting device and strutting arrangement, righting device makes the work piece axle is with the axle center with the tamp, strutting arrangement supports work piece axle bottom.
2. The bearing press according to claim 1,
the centering device comprises an annular base, at least three centering rods, at least three toothed nuts, a toothed disc, a screwing handle and a gear, wherein the toothed disc is concentrically clamped with the annular base, the toothed nuts are annular, the toothed disc is in a disc shape with a hollow middle part, teeth are machined on one end face of the disc shape, internal threads are machined in inner holes of the toothed nuts, teeth meshed with the toothed disc are machined on the outer cylindrical surface of the toothed disc, a plurality of accommodating holes hinged with the toothed nuts are axially formed in the annular base, central axes of the toothed nuts are all along the radial direction of the annular base, external threads matched with the internal threads of the toothed nuts are machined on the outer wall of the rear part of the centering rods, the centering rods penetrate through the annular base along the warp direction of the annular base, and grooves are machined in the outer edges of the centering rods along the extending direction of the centering rods, the gear is hinged to and installed in the annular base, the gear is meshed with the fluted disc, the tightening handle is fixedly connected with the gear in a concentric mode, and the tightening handle extends out of the annular base.
3. The bearing press according to claim 2,
the front end of the righting rod is provided with a clamping head, a steel column is clamped in the clamping head, the clamping head comprises a clamping claw and a jacking surface, the axis of the steel column is perpendicular to the central axis of the righting rod, the cylindrical surface of the steel column is abutted against the jacking surface, the clamping claw is abutted against the cylindrical surface of the steel column, and the axis of the steel column is located between the abutting position of the clamping claw and the cylindrical surface of the steel column and the jacking surface.
4. A bearing press according to claim 1, 2 or 3,
the supporting device comprises a supporting plate and a lifting device, the machine body is located below the workbench and provided with a containing cavity, the lifting device is fixedly installed in the machine body in the containing cavity, the supporting plate is fixedly installed at the lifting end of the lifting device, and the supporting plate is abutted to the end face of the workpiece shaft.
5. A bearing press according to claim 1, 2 or 3,
and the outer wall of the clamping part of the pressing tool is processed with reticulate patterns.
6. The bearing press according to claim 2 or 3,
the chuck is a three-jaw chuck, and the hole in the middle of the workbench and the annular base are concentric with the three-jaw chuck.
7. The bearing press according to claim 4,
annular grooves are processed on the end faces of the supporting disc and the workpiece shaft in an abutting mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920478568.2U CN209867862U (en) | 2019-04-08 | 2019-04-08 | Bearing press-mounting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920478568.2U CN209867862U (en) | 2019-04-08 | 2019-04-08 | Bearing press-mounting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209867862U true CN209867862U (en) | 2019-12-31 |
Family
ID=68959225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920478568.2U Active CN209867862U (en) | 2019-04-08 | 2019-04-08 | Bearing press-mounting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209867862U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113334006A (en) * | 2021-06-09 | 2021-09-03 | 成都南方电子仪表有限公司 | Integrated multi-site type assembly system |
| CN113894517A (en) * | 2020-06-22 | 2022-01-07 | 云南电网有限责任公司昆明供电局 | Screw automatic centralizing and tightening device based on vision |
-
2019
- 2019-04-08 CN CN201920478568.2U patent/CN209867862U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113894517A (en) * | 2020-06-22 | 2022-01-07 | 云南电网有限责任公司昆明供电局 | Screw automatic centralizing and tightening device based on vision |
| CN113334006A (en) * | 2021-06-09 | 2021-09-03 | 成都南方电子仪表有限公司 | Integrated multi-site type assembly system |
| CN113334006B (en) * | 2021-06-09 | 2023-02-28 | 成都南方电子仪表有限公司 | Integrated multi-site type assembly system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106965087B (en) | Friction wedge type external grinding automatic clamp and using method thereof | |
| CN209867862U (en) | Bearing press-mounting machine | |
| CN113458433A (en) | Clamping tool for processing external thread of large thin-wall cylinder | |
| CN107186546B (en) | Round flange drilling indexing device and application thereof | |
| CN202239982U (en) | High-precision clamp for processing shaft gear | |
| CN111673617B (en) | Grinding machine floating claw chuck | |
| CN211305525U (en) | Rotatable centre frame of machine tooling | |
| CN204700390U (en) | The numerical control gear-hobbing clamp of gear shaft | |
| CN109176082B (en) | Fork truck steering axle hydro-cylinder processing frock that assembly precision is high | |
| CN111804957A (en) | Fixing device for drilling equal-division hole plate | |
| CN101693341A (en) | Special clamp for grinding internal thread of ball screw nut | |
| CN207668523U (en) | Common in-vehicle grinding machine tool multi-function centre | |
| CN202180356U (en) | High-precision fixture for machining shaft gear | |
| CN211162955U (en) | Drilling clamp | |
| CN212240194U (en) | Thin wall casing damping clamping device with adjustable | |
| CN210080795U (en) | Drilling machine clamp for drilling holes in side face of motor cover | |
| CN111331393A (en) | Tool clamp for drilling evenly-divided hole plate | |
| CN112059674A (en) | Adjustable thin-wall shell vibration damping clamping device and operation method | |
| CN220660016U (en) | Clamp for circular arc plate with taper | |
| CN215279949U (en) | Precision machining driving device | |
| CN219924566U (en) | Rotor excircle turning tool | |
| CN217801282U (en) | Positioning and clamping tool for machining circular workpiece | |
| CN219465421U (en) | Clamping tool for machining holes/grooves in planet shaft | |
| CN218050446U (en) | Clamp for center drilling of long and large bar on common lathe | |
| CN214185589U (en) | Unsettled lever cover gear grinding anchor clamps that rise |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" |
Address after: 321000 No.1, Feiyang intelligent manufacturing town west, south 2nd Ring Road West, Wucheng District, Jinhua City, Zhejiang Province Patentee after: Zhejiang WanLiYang Intelligent Manufacturing Co.,Ltd. Address before: 321025 No. 666 Jinlong Road, Wucheng District, Jinhua City, Zhejiang Province Patentee before: ZHEJIANG GIF AUTOMOBILE TRANSMISSION SYSTEM Co.,Ltd. |
|
| CP03 | "change of name, title or address" |