CN214518658U - Bearing press-fitting die for one-way overrunning belt pulley - Google Patents
Bearing press-fitting die for one-way overrunning belt pulley Download PDFInfo
- Publication number
- CN214518658U CN214518658U CN202120494707.8U CN202120494707U CN214518658U CN 214518658 U CN214518658 U CN 214518658U CN 202120494707 U CN202120494707 U CN 202120494707U CN 214518658 U CN214518658 U CN 214518658U
- Authority
- CN
- China
- Prior art keywords
- belt pulley
- bearing
- way
- positioning core
- base
- 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
- Pulleys (AREA)
Abstract
The utility model relates to an one-way surpassing belt pulley technical field, in particular to a bearing press-mounting mould for one-way surpassing belt pulley, which comprises a base and a positioning core, wherein the positioning core adopts a positioning bulge on the positioning core to be inserted into a central hole of a mandrel, so that a single line of a to-be-assembled end bearing surpasses the positioning of the belt pulley on the press-mounting mould, and a ring cavity is formed by the cooperation of the positioning core and the base, thereby realizing that one end bearing can be arranged between the belt pulley and the mandrel from the upper part of the belt pulley after the one-way surpassing belt pulley is positioned on the positioning core, the other end bearing can be arranged in the ring cavity in advance, and is arranged between the belt pulley and the mandrel from the lower part of the belt pulley, further realizing the positioning in the assembling process of two end bearings by using the same reference, avoiding repeatedly switching assembling references, and ensuring the stability of the distance between the end surface of the belt pulley and the end bearing at the side where the end bearing is arranged, meanwhile, the assembly efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of the one-way belt pulley technique that surmounts and specifically relates to a bearing pressure equipment mould that is used for one-way belt pulley that surmounts.
Background
At present, when a ball bearing is assembled, the one-way overrunning belt pulley generally adopts twice press mounting, and the principle of the assembly is as follows: sleeving the surface of one side of the belt pulley close to the motor end on a lower die mould (positioning is carried out by an inner hole of the belt pulley), then placing a ball bearing on an upper die, and pressing the ball bearing of the upper die into the belt pulley when a press machine moves downwards; and then the belt pulley is reversely sleeved on another lower die (positioned by a hole on the other end surface of the belt pulley), the ball bearing is placed into the upper die, and when the press machine moves downwards, the ball bearing of the upper die is pressed into the belt pulley, and the assembly mode has the following defects: 1) because the reference needs to be changed twice for assembly, the distance difference between the end surface of the mandrel after press mounting and the end surface of the belt pulley is large; 2) and the positioning holes pressed for two times are inconsistent, so that the risk of coaxiality is increased, and the consistency of the quality of the assembled product is poor.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to solve the problem that the press mounting of two ball bearings on a single-line overrunning belt pulley in the prior art can be completed only by replacing references twice, a bearing press mounting die for a one-way overrunning belt pulley is provided.
The utility model provides a technical scheme that its technical problem adopted is: a bearing press-fitting mold for a one-way overrunning belt pulley comprises a belt pulley, a one-way bearing, a mandrel and two end bearings, wherein the belt pulley is coaxially arranged outside the mandrel, the one-way bearing is positioned between the belt pulley and the mandrel, the two end bearings are respectively positioned at two ends of the one-way bearing and are both positioned between the belt pulley and the mandrel, a central hole is formed in the mandrel, the press-fitting mold comprises a base and a positioning core, an inner hole is formed in the base, the positioning core is fixed in the inner hole of the base, and an annular cavity for accommodating the end bearings is formed between the inner peripheral surface of the inner hole and the outer peripheral surface of the positioning core;
the top of location core upwards extends to have with the centre bore assorted location of dabber protruding, form the step face between protruding and the location core of location, when the bottom tip of band pulley contacted with the up end of base, the bottom tip and the step face contact of dabber.
In the scheme, the positioning bulge on the positioning core is inserted into the central hole of the core shaft, so that the single line of the end bearing to be assembled surpasses the belt pulley to be positioned on the press-fitting mold, and the annular cavity is formed by the matching of the positioning core and the base, thereby realizing that one end bearing can be arranged between the belt wheel and the mandrel from the upper part of the belt wheel after the one-way overrunning belt wheel is positioned on the positioning core, the other end bearing can be arranged in the annular cavity in advance and arranged between the belt wheel and the mandrel from the lower part of the belt wheel, thereby realizing that the positioning can be carried out by the same datum in the assembling process of the two end bearings, avoiding repeated switching of the assembling datum, ensuring the stability of the distance between the end surface of the belt wheel and the end bearing at the side of the end surface after the assembling, meanwhile, the positioning and clamping times of the belt pulley during installation of the end bearing are reduced, and the assembly efficiency is improved.
Furthermore, a bottom plate is fixed at the lower end of the base, at least one pressure head hole penetrates through the bottom plate, the pressure head hole is communicated with the annular cavity, and the positioning core is fixedly connected with the bottom plate; the bottom plate can support the end bearing positioned in the annular cavity, and is convenient for fixing the positioning core, replacing the positioning cores of different specifications and simultaneously facilitating production and manufacturing.
Further, the bottom plate is fixed on the base through a first screw.
Further, the positioning core is fixed on the bottom plate through a second screw.
Further, the diameter of the outer peripheral surface of the positioning core is consistent with that of the inner peripheral surface of the end bearing; so as to lock the radial position of the end bearing in the annular cavity and improve the assembly precision.
The utility model has the advantages that: the bearing press-fitting die for the one-way overrunning belt pulley adopts the positioning bulge on the positioning core to be inserted into the central hole of the mandrel, so that the single line of the end bearing to be assembled can be positioned on the press-fitting die in a manner of overriding the belt pulley, and the annular cavity is formed by the cooperation of the positioning core and the base, thereby realizing that after the one-way overrunning belt pulley is positioned on the positioning core, one end bearing can be arranged between the belt pulley and the mandrel from the upper part of the belt pulley, the other end bearing can be arranged in the annular cavity in advance, and is arranged between the belt pulley and the mandrel from the lower part of the belt pulley, further realizing that in the assembling process of the two end bearings, the positioning can be carried out by the same reference, avoiding repeatedly switching the assembling reference for many times, ensuring the stability of the distance between the end surface of the assembled belt pulley and the end bearing at the side of the end bearing, and simultaneously reducing the positioning and clamping times when the end bearing is installed on the belt pulley, the assembly efficiency is improved.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic view of a bearing press-fitting mold for a one-way overrunning belt pulley of the present invention;
FIG. 2 is a schematic top view of the bottom plate of the bearing press-fitting mold for a one-way overrunning belt pulley of the present invention;
FIG. 3 is a schematic view of the bearing press-fitting mold for a one-way overrunning belt pulley according to the present invention in use;
fig. 4 is a schematic view of the one-way overrunning belt pulley of the present invention.
In the figure: 1. the overrunning belt pulley 11, the belt pulley 12, the one-way bearing 13, the mandrel 131, the central hole 14 and the end bearing;
2. the press fitting die comprises a press fitting die 21, a base 22, a positioning core 221, a positioning boss 222, a step surface 23, an annular cavity 24, a bottom plate 241, a press head hole 25, a first screw 26 and a second screw.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the invention only in a schematic way, and thus show only the components that are relevant to the invention, and the directions and references (e.g., upper, lower, left, right, etc.) may be used only to help describe the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.
Example 1
As shown in fig. 1-4, a bearing press-fitting mold for a one-way overrunning belt pulley, where the one-way overrunning belt pulley 1 includes a belt pulley 11, a one-way bearing 12, a mandrel 13, and two end bearings 14, the belt pulley 11 is coaxially disposed outside the mandrel 13, the one-way bearing 12 is located between the belt pulley 11 and the mandrel 13, the two end bearings 14 are respectively located at two ends of the one-way bearing 12 and are both located between the belt pulley 11 and the mandrel 13, the mandrel 13 has a central hole 131 therein, the press-fitting mold 2 includes a base 21 and a positioning core 22, the base 21 has an inner hole, the positioning core 22 is fixed in the inner hole of the base 21, and an annular cavity 23 for accommodating the end bearing 14 is formed between an inner circumferential surface of the inner hole and an outer circumferential surface of the positioning core 22;
the top end of the positioning core 22 extends upwards to form a positioning protrusion 221 matched with the central hole 131 of the core shaft 13, a step surface 222 is formed between the positioning protrusion 221 and the positioning core 22, and when the bottom end of the pulley 11 contacts with the upper end surface of the base 21, the bottom end of the core shaft 13 contacts with the step surface 222.
A bottom plate 24 is fixed at the lower end of the base 21, at least one pressure head hole 241 penetrates through the bottom plate 24, the pressure head hole 241 is communicated with the annular cavity 23, and the positioning core 22 is fixedly connected with the bottom plate 24; the bottom plate 24 can support the end bearing 14 in the annular cavity 23, and is convenient for fixing the positioning core 22, and for replacing the positioning core 22 with different specifications, and is convenient for production and manufacture.
The base plate 24 is fixed to the base 21 by first screws 25.
The positioning core 22 is fixed to the base plate 24 by a second screw 26.
The diameter of the outer peripheral surface of the positioning core 22 is consistent with that of the inner peripheral surface of the end bearing 14; to lock the radial position of the end bearing 14 within the annular cavity 23 and improve the accuracy of the assembly.
When the bearing press-fitting die for the one-way overrunning belt pulley is used, the bottom plate 24 can be placed on a workbench, a through hole communicated with the pressure head hole 241 is formed below the workbench, the first end bearing 14 is then pre-positioned in the annular cavity 23 of the press-fitting die 2, next, the pulley 11 of the end bearing 14 to be assembled is placed on the press-fitting mold 2, and the positioning projection 221 of the positioning core 22 is inserted into the center hole 131 of the stem 13, the bottom end of the pulley 11 is in contact with the upper end face of the base 21, the bottom end of the stem 13 is in contact with the step face 222, thereby completing the positioning of the belt pulley 11 on the press-fitting die 2, then pressing the second end bearing 14 into the space between the belt pulley 11 and the mandrel 13 from the upper part of the belt pulley 11 by using the oil cylinder to drive the press head, or manually installing the second end bearing 14 between the pulley 11 and the mandrel 13 by knocking from above the pulley 11 by using a tool such as a hammer; and finally, driving a pressure head to extend into the annular cavity 23 from a pressure head hole 241 of the bottom plate 24 by using an oil cylinder, pressing the first end bearing 14 in the annular cavity 23 into the space between the belt wheel 11 and the mandrel 13 from the lower part of the belt wheel 11, or manually using a hammer and other tools to extend into the annular cavity 23 from the pressure head hole 241 of the bottom plate 24, knocking and installing the first end bearing 14 in the annular cavity 23 into the space between the belt wheel 11 and the mandrel 13 from the lower part of the belt wheel 11, wherein after the second end bearing 14 is installed, when the first end bearing 14 is installed, the upper end parts of the belt wheel 11 and the mandrel 13 are pressed by using a pressing block, or the oil cylinder is used for driving the pressure head to press so as to prevent the belt wheel 11 or the mandrel 13 from moving upwards.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. The utility model provides a bearing pressure equipment mould for one-way surpassing belt pulley, one-way surpassing belt pulley (1) is including band pulley (11), one-way bearing (12), dabber (13) and two end bearing (14), band pulley (11) coaxial setting is outside dabber (13), and one-way bearing (12) are located between band pulley (11) and dabber (13), and two end bearing (14) are located the both ends of one-way bearing (12) respectively, and all are located between band pulley (11) and dabber (13), have centre bore (131) in dabber (13), its characterized in that: the press-fitting die (2) comprises a base (21) and a positioning core (22), wherein an inner hole is formed in the base (21), the positioning core (22) is fixed in the inner hole of the base (21), and an annular cavity (23) for accommodating the end bearing (14) is formed between the inner peripheral surface of the inner hole and the outer peripheral surface of the positioning core (22);
the top of location core (22) upwards extends to have and fixes a position protruding (221) with the central bore (131) assorted of dabber (13), it forms step face (222) to fix a position between protruding (221) and the core (22), when the bottom end of band pulley (11) contacted with the up end of base (21), the bottom end and the step face (222) contact of dabber (13).
2. A bearing press-fitting mold for a one-way overrunning pulley according to claim 1, wherein: the lower end of the base (21) is fixed with a bottom plate (24), at least one pressure head hole (241) penetrates through the bottom plate (24), the pressure head hole (241) is communicated with the annular cavity (23), and the positioning core (22) is fixedly connected with the bottom plate (24).
3. A bearing press-fitting mold for a one-way overrunning pulley according to claim 2, wherein: the bottom plate (24) is fixed on the base (21) through a first screw (25).
4. A bearing press-fitting mold for a one-way overrunning pulley according to claim 2, wherein: the positioning core (22) is fixed on the bottom plate (24) through a second screw (26).
5. A bearing press-fitting mold for a one-way overrunning pulley according to claim 1, wherein: the diameter of the outer peripheral surface of the positioning core (22) is consistent with the diameter of the inner peripheral surface of the end bearing (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120494707.8U CN214518658U (en) | 2021-03-08 | 2021-03-08 | Bearing press-fitting die for one-way overrunning belt pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120494707.8U CN214518658U (en) | 2021-03-08 | 2021-03-08 | Bearing press-fitting die for one-way overrunning belt pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214518658U true CN214518658U (en) | 2021-10-29 |
Family
ID=78261890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120494707.8U Active CN214518658U (en) | 2021-03-08 | 2021-03-08 | Bearing press-fitting die for one-way overrunning belt pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214518658U (en) |
-
2021
- 2021-03-08 CN CN202120494707.8U patent/CN214518658U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214518658U (en) | Bearing press-fitting die for one-way overrunning belt pulley | |
| CN213613701U (en) | Punching press riveting tools | |
| CN219818715U (en) | Bush press-fitting equipment | |
| CN112828593A (en) | Surpass duplex position bearing assembly devices of belt pulley | |
| CN202405597U (en) | Combined floating type positioning mould for connectors | |
| CN210849077U (en) | Micro motor worm and magnetic ring press-in tool | |
| CN202263993U (en) | Swelling fixture for gear shaving | |
| CN213602528U (en) | Iron core press fitting tool | |
| CN213856688U (en) | Efficient loading tool | |
| CN212683814U (en) | High-efficient multi-functional pressure equipment frock | |
| CN212598400U (en) | Precise press-fitting mechanism for oil thrower of engine crankshaft | |
| CN111451651B (en) | Engine leather cup cutting clamp and cutting method | |
| CN2576408Y (en) | Oil-sealing press-mounting mechanism in bearing | |
| CN111761016A (en) | Combined die for gear precision forging molding and use method thereof | |
| CN108637159B (en) | Special riveting die for pawl pin and wallboard for hand hoist | |
| CN201754547U (en) | Mould for pressing the bearing by end cap for outer rotor motor | |
| CN215358140U (en) | Center positioning and clamping device | |
| CN201070671Y (en) | Accurately positioning lever press | |
| CN219403282U (en) | Centering internal expansion type clamp for box-type workpieces | |
| CN215614433U (en) | Punching tool for V-shaped spinning belt pulley | |
| CN113399573B (en) | Riveting method of handle cover and ratchet wheel cover of tightener | |
| CN215919624U (en) | Press mounting tool for ball bearing | |
| CN221289280U (en) | Thin-wall duplex tooth riveting jig | |
| CN213693401U (en) | Simple motor stator pressing tire | |
| CN220445640U (en) | Press mounting tool for bearing production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 213000 Longxiang Road, Wujin high tech Development Zone, Changzhou City, Jiangsu Province Patentee after: Jiangsu Nanfang Precision Industry Co.,Ltd. Address before: 213164 No.9, Longxiang Road, Wujin high tech Zone, Changzhou City, Jiangsu Province Patentee before: Jiangsu Nanfang Bearing Co.,Ltd. |