CN212794818U - Special assembly fixture of bearing inner race bearing ring circle - Google Patents
Special assembly fixture of bearing inner race bearing ring circle Download PDFInfo
- Publication number
- CN212794818U CN212794818U CN202021304980.1U CN202021304980U CN212794818U CN 212794818 U CN212794818 U CN 212794818U CN 202021304980 U CN202021304980 U CN 202021304980U CN 212794818 U CN212794818 U CN 212794818U
- Authority
- CN
- China
- Prior art keywords
- bearing
- ring
- bearing inner
- inner ring
- positioning
- 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
Images
Landscapes
- Mounting Of Bearings Or Others (AREA)
Abstract
The utility model relates to a frock clamp technical field discloses a special assembly fixture of bearing inner race bearing ring, including the location base that is used for the frame location, still include the position sleeve, be equipped with bearing inner race locating hole in the position sleeve, the lower extreme of position sleeve is equipped with bearing ring locating hole, and the aperture of bearing ring locating hole is greater than the aperture of bearing inner race locating hole, and bearing ring locating hole and the outer wall clearance fit of bearing ring, bearing inner race locating hole and the outer wall clearance fit of bearing inner race; the upper end of the positioning sleeve is also provided with a pressing rod in clearance fit with the positioning hole of the bearing inner ring, and the lower end edge of the pressing rod is provided with a convex ring. The utility model discloses can once only realize the installation of bearing ring circle, bearing inner race and main shaft, convenient to use, assembly efficiency improves.
Description
Technical Field
The utility model relates to a frock clamp technical field especially relates to a special assembly fixture of ring circle is guarded to bearing inner race bearing.
Background
The scroll compressor is a positive displacement compressor, the compression component is composed of a movable scroll plate and a fixed scroll, and the movable scroll plate rotates at high speed to realize the compression of gas. The main shaft is arranged on a rack of the scroll compressor and is a stepped shaft, a bearing ring needs to be assembled at the large diameter of the main shaft, then a bearing inner ring is assembled at the small diameter of the main shaft, and the bearing ring, the bearing inner ring and the main shaft are in interference fit, so that the bearing inner ring and the bearing ring cannot be directly installed manually, the requirement on installation accuracy is high, once deviation occurs in the installation process, the problem of subsequent assembly is easily caused, and the overall performance of the compressor can be influenced. At present, a bearing ring is usually knocked into a large diameter of a main shaft through a sleeve tool, then a bearing inner ring is knocked into a small diameter of the main shaft through the sleeve tool, however, the sleeve tool is lack of positioning of the bearing ring and the bearing inner ring, assembly precision is affected, the main shaft is easily damaged in the installation process, and the bearing ring and the bearing inner ring are assembled twice, so that assembly efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the above-mentioned problem that assembly bearing inner race, bearing ring exist on the compressor main shaft among the prior art, provide a special assembly fixture of bearing inner race bearing ring, this frock can guard ring, bearing inner race location to the bearing in assembling process, ensure the assembly precision, can once only guard ring, bearing inner race installation with the bearing in place simultaneously, convenient to use, assembly efficiency height.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the special assembly tool for the bearing ring of the bearing inner ring comprises a positioning base for positioning a rack and a positioning sleeve, wherein a bearing inner ring positioning hole is formed in the positioning sleeve, a bearing ring positioning hole is formed in the lower end of the positioning sleeve, the diameter of the bearing ring positioning hole is larger than that of the bearing inner ring positioning hole, the bearing ring positioning hole is in clearance fit with the outer wall of the bearing ring, and the bearing inner ring positioning hole is in clearance fit with the outer wall of the bearing inner ring; the upper end of the positioning sleeve is also provided with a pressing rod in clearance fit with the positioning hole of the bearing inner ring, and the edge of the lower end of the pressing rod is provided with a convex ring. The positioning base is connected with a workbench of a press machine, a frame of the compressor is placed on the positioning base for positioning, a main shaft is in a vertically upward state, a bearing ring is sleeved on the main shaft, a positioning sleeve is sleeved on the outer side of the bearing ring, the bearing ring and a positioning hole of the bearing ring form clearance fit, then a bearing inner ring is installed from the upper end of the positioning sleeve, the lower end of the bearing inner ring is located at the upper end part of the main shaft, a pressure rod is inserted from the upper end of the positioning sleeve, a convex ring at the lower end of the pressure rod is pressed on the upper end surface of the bearing inner ring, finally the pressure rod is driven to move downwards by a pressure head of the press machine, the bearing inner ring is gradually sleeved on the main shaft under the guiding of the positioning sleeve and the pressure of the press machine, when the bearing inner ring moves to the position of the bearing ring, the bearing inner ring pushes the bearing ring to move downwards, and. The tool can be used for mounting the ring of the bearing and the inner ring of the bearing at one time, and the mounting precision is high.
Preferably, the locating sleeve is made of nylon, an upper reinforcing convex ring is arranged on the outer side of the upper end of the locating sleeve, and a lower reinforcing convex ring is arranged on the outer side of the lower end of the locating sleeve. The locating sleeve made of nylon has certain micro deformation capacity, so that the precision requirements of the bearing inner ring locating hole, the bearing inner ring and the bearing ring are reduced, and the surface abrasion of the bearing inner ring and the bearing ring caused by precision errors is prevented.
Preferably, the lower end of the bearing ring positioning hole is provided with a lower chamfer, and the upper end of the bearing inner ring positioning hole is provided with an upper chamfer; and an inclined chamfer is arranged on the periphery of the lower end of the convex ring.
Preferably, the lower end of the positioning base is provided with a flange, and the flange is provided with a plurality of connecting holes connected with the workbench.
Preferably, the center of the upper end of the pressure rod is provided with a pressure bearing ball. The pressure head of the press presses on the pressure-bearing ball, so that the pressure is transmitted to the pressure lever, and the pressure stability of the pressure plate is ensured.
Therefore, the utility model discloses can once only realize the installation of bearing ring circle, bearing inner circle and main shaft, convenient to use, assembly efficiency improves.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a partial cross-sectional view of the present invention.
Fig. 4 is a schematic structural view of the positioning sleeve.
Fig. 5 is a partially enlarged view of a portion a in fig. 3.
In the figure: the bearing ring positioning device comprises a positioning base 1, a flange 2, a connecting hole 3, a positioning sleeve 4, an upper reinforcing convex ring 40, a lower reinforcing convex ring 41, a bearing inner ring positioning hole 5, an upper chamfer 50, a bearing ring positioning hole 6, a lower chamfer 60, a bearing ring 7, a bearing inner ring 8, a pressure rod 9, a convex ring 90, a pressure bearing ball 10, a machine frame 11 and a main shaft 12.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1, 2, 3, 4 and 5, the special assembly tool for the bearing inner ring bearing ring comprises a positioning base 1 for positioning a rack, a flange 2 is arranged at the lower end of the positioning base 1, a plurality of connecting holes 3 connected with a workbench are arranged on the flange 2, and the special assembly tool further comprises a positioning sleeve 4, a bearing inner ring positioning hole 5 is arranged in the positioning sleeve 4, a bearing ring positioning hole 6 is arranged at the lower end of the positioning sleeve 4, the bearing ring positioning hole 6 is coaxially distributed and communicated with the bearing inner ring positioning hole 5, the aperture of the bearing ring positioning hole 6 is larger than that of the bearing inner ring positioning hole 5, the bearing ring positioning hole 6 is in clearance fit with the outer wall of the bearing ring 7, and the bearing inner ring positioning hole 5 is in clearance fit with the outer wall of the bearing inner ring 8; the upper end of the positioning sleeve 4 is also provided with a pressing rod 9 in clearance fit with the positioning hole of the bearing inner ring, the lower end edge of the pressing rod 9 is provided with a convex ring 90, the periphery of the lower end of the convex ring 90 is provided with an inclined chamfer, and the center of the upper end of the pressing rod 9 is provided with a pressure bearing ball 10. In this embodiment, the positioning sleeve 4 is made of nylon, the upper reinforcing convex ring 40 is arranged on the outer side of the upper end of the positioning sleeve 4, the lower reinforcing convex ring 41 is arranged on the outer side of the lower end of the positioning sleeve 4, the lower chamfer 60 is arranged at the lower end of the bearing ring positioning hole 6, and the upper chamfer 50 is arranged at the upper end of the bearing inner ring positioning hole 5.
With the attached drawings, the principle of the utility model is as follows: as shown in fig. 5, a positioning base 1 is connected with a workbench of a press machine, a frame 11 of the compressor is positioned on the positioning base, a main shaft 12 on the frame is in a vertical upward state, a bearing ring 7 is sleeved on the main shaft, a positioning sleeve 4 is sleeved on the outer side of the bearing ring, the bearing ring and a positioning hole of the bearing ring form clearance fit, a bearing inner ring 8 is installed from the upper end of the positioning sleeve 4, the lower end of the bearing inner ring 8 is positioned at the upper end of the main shaft, a pressure rod 9 is inserted from the upper end of the positioning sleeve, a convex ring at the lower end of the pressure rod presses on the upper end surface of the bearing inner ring, finally a pressure head of the press machine presses on a pressure bearing ball 10 to drive the pressure rod to move downwards, the bearing inner ring is gradually sleeved on the main shaft under the guiding of the positioning sleeve and the pressure of the press machine, when the bearing inner ring moves to the bearing ring, the bearing inner ring pushes the bearing, and finally, the ring and the inner ring of the bearing are installed. The tool can be used for mounting the ring of the bearing and the inner ring of the bearing at one time, and the mounting precision is high.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to solve the same technical problems and achieve the same technical effects are all covered by the protection scope of the present invention.
Claims (5)
1. The special assembly tool for the bearing ring of the bearing inner ring comprises a positioning base for positioning a rack, and is characterized by further comprising a positioning sleeve, wherein a bearing inner ring positioning hole is formed in the positioning sleeve, a bearing ring positioning hole is formed in the lower end of the positioning sleeve, the diameter of the bearing ring positioning hole is larger than that of the bearing inner ring positioning hole, the bearing ring positioning hole is in clearance fit with the outer wall of the bearing ring, and the bearing inner ring positioning hole is in clearance fit with the outer wall of the bearing inner ring; the upper end of the positioning sleeve is also provided with a pressing rod in clearance fit with the positioning hole of the bearing inner ring, and the edge of the lower end of the pressing rod is provided with a convex ring.
2. The special assembling tool for the ring of the bearing inner ring and the bearing ring of the claim 1, wherein the locating sleeve is made of nylon, an upper reinforcing convex ring is arranged on the outer side of the upper end of the locating sleeve, and a lower reinforcing convex ring is arranged on the outer side of the lower end of the locating sleeve.
3. The special assembly tool for the bearing ring of the bearing inner ring according to claim 1 or 2, wherein a lower chamfer is arranged at the lower end of a positioning hole of the bearing ring, and an upper chamfer is arranged at the upper end of the positioning hole of the bearing inner ring; and an inclined chamfer is arranged on the periphery of the lower end of the convex ring.
4. The special assembling tool for the ring of the bearing inner ring bearing of claim 1, wherein a flange is arranged at the lower end of the positioning base, and a plurality of connecting holes connected with a workbench are formed in the flange.
5. The special assembling tool for the ring of the bearing inner ring bearing of claim 1, wherein a pressure bearing ball is arranged at the center of the upper end of the pressure lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021304980.1U CN212794818U (en) | 2020-07-06 | 2020-07-06 | Special assembly fixture of bearing inner race bearing ring circle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021304980.1U CN212794818U (en) | 2020-07-06 | 2020-07-06 | Special assembly fixture of bearing inner race bearing ring circle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212794818U true CN212794818U (en) | 2021-03-26 |
Family
ID=75101235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021304980.1U Active CN212794818U (en) | 2020-07-06 | 2020-07-06 | Special assembly fixture of bearing inner race bearing ring circle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212794818U (en) |
-
2020
- 2020-07-06 CN CN202021304980.1U patent/CN212794818U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201841400U (en) | Differential cone bearing press-fit device | |
| CN209021556U (en) | A kind of axis both ends quick press mounting bearing arrangement | |
| CN205147887U (en) | Bearing retainer's machining anchor clamps | |
| CN212794818U (en) | Special assembly fixture of bearing inner race bearing ring circle | |
| CN210281292U (en) | Buffer device for press fitting | |
| CN213053584U (en) | Press mounting equipment suitable for bearing assembly | |
| CN210147408U (en) | Rotating mechanism for automatic press fitting | |
| CN201109084Y (en) | Appliance for pressure-bearing assemblage | |
| CN219005183U (en) | Outer ring press for conical bearing of transmission shell | |
| CN220805186U (en) | Stamping die | |
| CN207423514U (en) | A kind of mounting structure of upper angular contact bearing in overspeed test bench host | |
| CN211759664U (en) | Bearing press-fitting machine for centrifugal pump motor | |
| CN207606538U (en) | A kind of balanced type hydraulic floating supporting mechanism | |
| CN220362182U (en) | Welding fixture for guide vane of vertical multistage pump | |
| CN217800134U (en) | Bearing seat press-fitting tool for flywheel body assembly line | |
| CN221047732U (en) | Press mounting tool | |
| CN214558877U (en) | Press bearing positioning mechanism | |
| CN115091281B (en) | Machining system and machining method for small inner ring of automobile hub bearing | |
| CN208734725U (en) | A kind of bearing with disassembly and assembly structure | |
| CN209954508U (en) | Portable dish flywheel frock | |
| CN110640520A (en) | Upper and lower casing closes four-axis machine and adds anchor clamps | |
| CN210907560U (en) | Device for mounting bearing in circular tube | |
| CN212046081U (en) | Four-axis direction pressure cylinder pressure device | |
| CN205043219U (en) | Bearing end plate's machining anchor clamps | |
| CN215147079U (en) | Quick positioning taper seat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |