CN114683028A - Tapered roller bearing and gear shaft press-fitting device - Google Patents
Tapered roller bearing and gear shaft press-fitting device Download PDFInfo
- Publication number
- CN114683028A CN114683028A CN202210328633.XA CN202210328633A CN114683028A CN 114683028 A CN114683028 A CN 114683028A CN 202210328633 A CN202210328633 A CN 202210328633A CN 114683028 A CN114683028 A CN 114683028A
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- China
- Prior art keywords
- roller bearing
- tapered roller
- gear shaft
- annular
- workpiece
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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
- B23P19/027—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 using hydraulic or pneumatic means
-
- 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
- B23P19/006—Holding or positioning the article in front of the applying tool
Abstract
The invention relates to a tapered roller bearing and gear shaft press-fitting device which comprises a vertical plate, wherein a base used for fixing a gear shaft workpiece with a gear is arranged on the side surface of the bottom of the vertical plate, a movable seat capable of moving up and down is arranged above the base, an annular positioning block which is used for fixing the tapered roller bearing workpiece without an outer ring and is coaxially arranged with the gear shaft workpiece is arranged at the bottom of the movable seat, a positioning column which can stretch up and down and is matched with an inner ring of the tapered roller bearing workpiece is arranged at the axis of the annular positioning block in a penetrating mode, and the annular positioning block is sleeved on the positioning column. The invention has the characteristics of simple, convenient and quick press mounting and positioning, high press mounting efficiency, capability of protecting the tapered roller bearing workpiece and the like.
Description
Technical Field
The invention belongs to a press mounting device, and particularly relates to a press mounting device for a tapered roller bearing and a gear shaft.
Background
When the gear shaft is pressed on the tapered roller bearing, due to the structural characteristics of the tapered roller bearing, the tapered roller bearing is very difficult to position, in the prior art, the outer ring of a workpiece of the tapered roller bearing is not assembled during pressing, and when the workpiece of the tapered roller bearing is pressed, the roller is prevented from being pressed and damaged, and enough supporting force is required to ensure that the gear shaft is pressed on the workpiece of the tapered roller bearing.
Disclosure of Invention
The invention aims to provide a tapered roller bearing and gear shaft press-fitting device, which solves the problems that the press-fitting positioning difficulty is high, a roller is easily damaged and the like in the prior art.
The technical purpose of the invention is mainly solved by the following technical scheme: a tapered roller bearing and gear shaft press-fitting device comprises a vertical plate, wherein a base used for fixing a gear shaft workpiece with a gear is arranged on the side face of the bottom of the vertical plate, a movable seat capable of moving up and down is arranged above the base, an annular positioning block which is used for fixing the tapered roller bearing workpiece without an outer ring and is coaxially arranged with the gear shaft workpiece is arranged at the bottom of the movable seat, a positioning column which can stretch up and down and is matched with an inner ring of the tapered roller bearing workpiece is arranged at the axis of the annular positioning block in a penetrating manner, and the annular positioning block is sleeved on the positioning column; the setting of above-mentioned sliding seat, can drive the tapered roller bearing work piece through the annular locating piece and move down towards the gear shaft work piece on the base, so that press the tapered roller bearing work piece to the gear shaft on, and the setting of reference column, so that assemble the tapered roller bearing work piece before the pressure equipment and fix on the reference column, the location is simple and convenient, and the reference column can fix a position the position of tapered roller bearing work piece, can accurately press to the gear shaft work piece when guaranteeing the tapered roller bearing work piece and push down, the pressure equipment precision has been strengthened, and when the pressure equipment, the reference column can leave the tapered roller bearing work piece gradually along with impressing of gear shaft work piece, guarantee the smooth stability of pressure equipment process, the pressure equipment degree of difficulty has effectively been reduced, and fix a position the inner circle of tapered roller bearing work piece through the reference column, can avoid causing the damage to the tapered roller bearing work piece.
Preferably, the bottom surface of the annular positioning block is provided with an annular groove, and the inner edge of the annular groove is provided with an annular convex part which is abutted against the side wall of the positioning column; the annular groove is used for accommodating a tapered roller bearing workpiece, so that the tapered roller bearing workpiece can be clamped and fixed on the positioning column, the annular convex part can support the inner ring of the tapered roller bearing workpiece when the tapered roller bearing workpiece is pressed, the stress point of the tapered roller bearing workpiece is the inner ring of the tapered roller bearing workpiece when the tapered roller bearing workpiece is pressed, the outer wall of the tapered roller bearing workpiece is prevented from being damaged due to crushing during pressing, and the pressing is more stable and reliable.
Preferably, a clamping ring which extends out of the annular groove and is matched with the tapered roller bearing workpiece is arranged on the inner wall of the annular groove, and the outer wall of the clamping ring is in interference fit with the inner wall of the annular groove; the retainer ring is arranged so as to further limit the tapered roller bearing workpiece, so that the tapered roller bearing workpiece is more conveniently and quickly assembled.
Preferably, the inner wall of the retainer ring is a tapered structure matched with the outer wall of the roller of the tapered roller bearing workpiece; the inner wall of the retainer ring is of a conical structure and can be matched with the outer wall of the roller of the tapered roller bearing workpiece, the roller of the tapered roller bearing workpiece is protected, the positioning effect on the tapered roller bearing workpiece can be increased, and the assembly is more convenient.
Preferably, a fixing groove is formed in the top of the movable seat, an annular outer protrusion located in the fixing groove is arranged at one end of the positioning column, the outer wall of the annular outer protrusion is abutted to the inner wall of the fixing groove, and the other end of the positioning column extends downwards to the inner side of the annular positioning block; the setting of the annular outer bulge can avoid the reference column to break away from downwards, guarantees the normal work of reference column, and can cooperate with the fixed slot, forms the guide effect to the reference column, takes place the skew when avoiding the reference column to remove and influences the pressure equipment effect.
Preferably, the top surface of the movable seat is provided with a movable joint covering an opening of the fixed groove, and the fixed groove is internally provided with a telescopic spring matched with the positioning column; above-mentioned expanding spring's setting for the reference column can realize elastic expansion, and when the pressure equipment, the reference column can be pushed and shift up, and after the pressure equipment was accomplished, reference column accessible expanding spring's effect automatic re-setting, so that next pressure equipment, and the setting of activity joint, so that to the fixed slot shutoff, avoid expanding spring to pop out the fixed slot.
Preferably, a top plate is arranged above the movable seat, an air cylinder is arranged on the top surface of the top plate, and an output rod of the air cylinder penetrates through the top plate downwards to be connected with the movable joint; the arrangement of the air cylinder can control the movable seat, control the movable seat to move downwards to realize press fitting, control the movement to move upwards after the press fitting is finished, and guarantee the press fitting strength.
Preferably, a notch is formed in the outer side of the base, and an arc-shaped groove matched with the gear shaft workpiece is formed in the inner side of the notch, corresponding to the lower part of the positioning column; above-mentioned grooved setting to place the material loading to the gear shaft work piece, and the setting of arc wall can coordinate with the gear shaft work piece, fixes a position the gear shaft work piece, just can press to the gear shaft work piece when guaranteeing that tapered roller bearing work piece pushes down, has strengthened the precision of pressure equipment.
Preferably, a horizontal groove for accommodating a gear on the gear shaft workpiece is arranged between the upper opening of the slot and the lower opening of the slot corresponding to the side wall of the base; the arrangement of the horizontal grooves enables the gear on the gear shaft workpiece to be located in the horizontal grooves when the gear shaft workpiece is located through the arc-shaped grooves, the gear on the gear shaft workpiece is moved away, and the gear on the gear shaft workpiece can be pressed to the bottom surface of the horizontal grooves during press mounting, so that the gear shaft workpiece is pressed on the base through the gear, and the stability of the gear shaft workpiece during press mounting is improved.
Preferably, two guide posts respectively penetrating through two ends of the movable seat are arranged between the base and the top plate, and a sliding sleeve sleeved on the guide posts is arranged on the movable seat; the setting of above-mentioned guide post for the cooperation of sliding seat accessible sliding sleeve and guide post is smooth and easy reciprocates on the guide post, takes place the skew when avoiding the sliding seat to reciprocate, guarantees the stability when the sliding seat removes.
Therefore, the invention has the characteristics of simple, convenient and quick press-fitting and positioning, high press-fitting efficiency, capability of protecting the tapered roller bearing workpiece and the like.
Drawings
FIG. 1 is a perspective view of the present invention;
fig. 2 is a structural sectional view of the movable mount in fig. 1;
fig. 3 is a schematic structural view of the base in fig. 1.
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 tapered roller bearing and gear shaft press-fitting device comprises a vertical plate 1, a base 2 for fixing a gear shaft workpiece with a gear is arranged on a side surface of the bottom of the vertical plate 1, a movable seat 3 capable of moving up and down is arranged above the base 2, an annular positioning block 31 for fixing the tapered roller bearing workpiece without an outer ring and coaxially arranged with the gear shaft workpiece is arranged at the bottom of the movable seat 3, a positioning column 32 capable of extending up and down and matched with an inner ring of the tapered roller bearing workpiece is arranged at the axis of the annular positioning block 31, the annular positioning block 31 is sleeved on the positioning column 32, a top plate 4 is arranged above the movable seat 3, a cylinder 41 is arranged on the top surface of the top plate 4, an output rod of the cylinder 41 downwards passes through the top plate 4 to be connected with a movable joint 35, two guide columns 36 respectively arranged at two ends of the movable seat 3 are arranged between the base 2 and the top plate 4, the movable seat 3 is provided with a sliding sleeve 37 sleeved on the guide post 36.
Before the tapered roller bearing workpiece is pressed, the inner ring of the tapered roller bearing workpiece is clamped on the positioning column, the end with the smaller diameter of the tapered roller bearing workpiece faces upwards, after the tapered roller bearing workpiece is assembled, the air rod drives the movable seat to move downwards along the guide column, so that the tapered roller bearing workpiece is pressed onto the gear shaft workpiece on the base, the gear shaft workpiece is continuously pressed into the inner ring of the tapered roller bearing workpiece in the pressing process, the positioning column is continuously pressed by the gear shaft workpiece to move upwards until the positioning column completely leaves the tapered roller bearing workpiece, and the gear shaft workpiece is completely pressed into the tapered roller bearing workpiece and is in place, and then the air cylinder drives the movable seat to move upwards, thereby completing the press-fitting.
As shown in fig. 2, an annular groove 311 is provided on the bottom surface of the annular positioning block 31, an annular protrusion 312 abutting against the sidewall of the positioning column 32 is provided at the inner edge of the annular groove 311, a collar 33 extending to the outside of the annular groove 311 and fitting with the tapered roller bearing workpiece is provided on the inner wall of the annular groove 311, the outer wall of the collar 33 is in interference fit with the inner wall of the annular groove 311, and the inner wall of the collar 33 is a tapered structure fitting with the outer wall of the roller of the tapered roller bearing workpiece; above-mentioned rand and annular groove's inner wall chucking, when the different bearings of needs pressure equipment, can dismantle at any time and change the rand, so that to the bearing pressure equipment of difference, application scope has been increased, and this rand just cooperates with the roller outer wall of tapered roller bearing work piece, when the assembly of tapered roller bearing work piece is on the reference column, the lateral wall of tapered roller bearing work piece just is located the annular groove inboard, and annular convex part supports on the inner circle terminal surface of tapered roller bearing work piece, during the pressure equipment, only have annular convex part to support the inner circle of tapered roller bearing work piece, other positions of tapered roller bearing work piece are not atress.
As shown in fig. 2, a fixing groove 34 is provided at the top of the movable seat 3, an annular outer protrusion 321 located in the fixing groove 34 is provided at one end of the positioning column 32, an outer wall of the annular outer protrusion 321 abuts against an inner wall of the fixing groove 34, the other end of the positioning column 32 extends downward to the inner side of the annular positioning block 31, a movable joint 35 covering an opening of the fixing groove 34 is provided at the top surface of the movable seat 3, and a telescopic spring 341 engaged with the positioning column 32 is provided in the fixing groove 34; when to tapered roller bearing work piece pressure equipment, the reference column receives the extrusion of gear shaft work piece to shift up, until leaving tapered roller bearing work piece, the expanding spring shrink this moment, after the pressure equipment is accomplished, the sliding seat shifts up unsettledly, and expanding spring reconversion this moment, the reference column resets, and when the reference column removed, the outer arch of annular and the inner wall butt of fixed slot reciprocated.
As shown in fig. 3, the outer side of the base 2 is provided with a slot 21, the inner side of the slot 21 is provided with an arc-shaped slot 22 corresponding to the lower part of the positioning column 32 and matched with the gear shaft workpiece, and a horizontal slot 23 used for accommodating a gear on the gear shaft workpiece is arranged between the upper opening of the slot 21 and the lower opening of the slot 21 and corresponding to the side wall of the base 2; before the pressure equipment, go into the arc wall with the gear shaft work piece from the fluting card in, and the gear card on the gear shaft work piece goes into the horizontal groove in, when the pressure equipment, the gear on the gear shaft work piece pushes down the bottom surface in horizontal groove for the gear shaft work piece compresses tightly, and after the pressure equipment was accomplished, the top surface accessible gear of horizontal groove was spacing to the gear shaft work piece, makes tapered roller bearing work piece and annular locating piece break away from.
Claims (10)
1. The utility model provides a tapered roller bearing and gear shaft pressure equipment device which characterized in that: including riser (1), be equipped with base (2) that are used for the fixed band to have the gear shaft work piece of gear on the side of riser (1) bottom, the top of base (2) is equipped with sliding seat (3) that can reciprocate, the bottom of sliding seat (3) is equipped with annular locating piece (31) that is used for the fixed tapered roller bearing work piece of getting rid of the outer lane and sets up with the gear shaft work piece is coaxial, axis department of annular locating piece (31) wears to be equipped with can stretch out and draw back from top to bottom and with inner circle complex reference column (32) of tapered roller bearing work piece, reference column (32) are located to annular locating piece (31) cover.
2. A tapered roller bearing and gear shaft press-fitting device according to claim 1, wherein: the bottom surface of the annular positioning block (31) is provided with an annular groove (311), and the inner edge of the annular groove (311) is provided with an annular convex part (312) which is abutted against the side wall of the positioning column (32).
3. A tapered roller bearing and gear shaft press-fitting device according to claim 2, wherein: be equipped with on the inner wall of annular groove (311) and extend to annular groove (311) outside and with tapered roller bearing work piece complex rand (33), the outer wall of rand (33) and the inner wall interference fit of annular groove (311).
4. A tapered roller bearing and gear shaft press-fitting device according to claim 3, wherein: the inner wall of the clamping ring (33) is of a conical structure matched with the outer wall of the roller of the tapered roller bearing workpiece.
5. A tapered roller bearing and gear shaft press-fitting device according to claim 1, wherein: the top of sliding seat (3) is equipped with fixed slot (34), the one end of reference column (32) is equipped with annular outer arch (321) that are located fixed slot (34), the outer wall of annular outer arch (321) and the inner wall butt of fixed slot (34), the other end downwardly extending of reference column (32) reaches the inboard of annular locating piece (31).
6. A tapered roller bearing and gear shaft press-fitting device according to claim 5, wherein: the top surface of the movable seat (3) is provided with a movable joint (35) covering an opening of the fixed groove (34), and a telescopic spring (341) matched with the positioning column (32) is arranged in the fixed groove (34).
7. A tapered roller bearing and gear shaft press-fitting device according to claim 6, wherein: the top of sliding seat (3) is equipped with roof (4), be equipped with cylinder (41) on the top surface of roof (4), the output rod of cylinder (41) passes roof (4) downwards and is connected with activity joint (35).
8. A tapered roller bearing and gear shaft press-fitting device according to claim 1, wherein: the outer side of the base (2) is provided with a slot (21), and an arc-shaped groove (22) matched with the gear shaft workpiece is arranged on the inner side of the slot (21) corresponding to the lower part of the positioning column (32).
9. A tapered roller bearing and gear shaft press-fitting device according to claim 8, wherein: and a horizontal groove (23) for accommodating a gear on a gear shaft workpiece is arranged between the upper opening of the open groove (21) and the lower opening of the open groove (21) and corresponds to the side wall of the base (2).
10. A tapered roller bearing and gear shaft press-fitting device according to claim 7, wherein: be equipped with two guide post (36) of wearing to locate movable seat (3) both ends respectively between base (2) and roof (4), be equipped with sliding sleeve (37) on guide post (36) are located to the cover on movable seat (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210328633.XA CN114683028A (en) | 2022-03-31 | 2022-03-31 | Tapered roller bearing and gear shaft press-fitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210328633.XA CN114683028A (en) | 2022-03-31 | 2022-03-31 | Tapered roller bearing and gear shaft press-fitting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114683028A true CN114683028A (en) | 2022-07-01 |
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ID=82140321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210328633.XA Pending CN114683028A (en) | 2022-03-31 | 2022-03-31 | Tapered roller bearing and gear shaft press-fitting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114683028A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005011806A1 (en) * | 2004-03-20 | 2005-10-06 | Klann-Spezial-Werkzeugbau-Gmbh | Device for pressing out a bearing pressed in a bearing eye arranged on a support rod of a motor vehicle axle comprises a support bell which is axially supported on the bearing eye during the pressing process |
| JP2008213070A (en) * | 2007-03-01 | 2008-09-18 | Toyota Motor Corp | Press-in device and method |
| CN204321547U (en) * | 2014-12-17 | 2015-05-13 | 杭州嘉诚机械有限公司 | Worm reduction gear running in bearings oil sealing special tooling |
| KR101682562B1 (en) * | 2015-10-01 | 2016-12-06 | 주식회사 범서 | Bearing inserting machine of automatic self-aligning type |
| CN109773459A (en) * | 2019-03-19 | 2019-05-21 | 安阳工学院 | Differential bearing tooling and operating procedure with computer control system |
| CN209375404U (en) * | 2019-03-18 | 2019-09-10 | 苏州斯奥克微电机制造有限公司 | A kind of rotor of motor and the horizontal pressing mounting tool of bearing |
| CN210629290U (en) * | 2019-10-08 | 2020-05-26 | 泛仕达机电股份有限公司 | Tool for pressing outer rotor motor tight-fitting bearing |
| CN113352079A (en) * | 2021-06-29 | 2021-09-07 | 智新科技股份有限公司 | Engine shaft and intermediate shaft positioning assembly, bearing press-fitting equipment and method |
-
2022
- 2022-03-31 CN CN202210328633.XA patent/CN114683028A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005011806A1 (en) * | 2004-03-20 | 2005-10-06 | Klann-Spezial-Werkzeugbau-Gmbh | Device for pressing out a bearing pressed in a bearing eye arranged on a support rod of a motor vehicle axle comprises a support bell which is axially supported on the bearing eye during the pressing process |
| JP2008213070A (en) * | 2007-03-01 | 2008-09-18 | Toyota Motor Corp | Press-in device and method |
| CN204321547U (en) * | 2014-12-17 | 2015-05-13 | 杭州嘉诚机械有限公司 | Worm reduction gear running in bearings oil sealing special tooling |
| KR101682562B1 (en) * | 2015-10-01 | 2016-12-06 | 주식회사 범서 | Bearing inserting machine of automatic self-aligning type |
| CN209375404U (en) * | 2019-03-18 | 2019-09-10 | 苏州斯奥克微电机制造有限公司 | A kind of rotor of motor and the horizontal pressing mounting tool of bearing |
| CN109773459A (en) * | 2019-03-19 | 2019-05-21 | 安阳工学院 | Differential bearing tooling and operating procedure with computer control system |
| CN210629290U (en) * | 2019-10-08 | 2020-05-26 | 泛仕达机电股份有限公司 | Tool for pressing outer rotor motor tight-fitting bearing |
| CN113352079A (en) * | 2021-06-29 | 2021-09-07 | 智新科技股份有限公司 | Engine shaft and intermediate shaft positioning assembly, bearing press-fitting equipment and method |
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