CN114083270A - Non-carrying interference cold-mounted bearing assembling hydraulic machine and assembling method - Google Patents
Non-carrying interference cold-mounted bearing assembling hydraulic machine and assembling method Download PDFInfo
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- CN114083270A CN114083270A CN202111482754.1A CN202111482754A CN114083270A CN 114083270 A CN114083270 A CN 114083270A CN 202111482754 A CN202111482754 A CN 202111482754A CN 114083270 A CN114083270 A CN 114083270A
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- assembling
- main body
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- assembly
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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
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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
- B23P19/001—Article feeders for assembling machines
Abstract
The invention discloses a non-carrying interference cold-mounted bearing assembling hydraulic machine and an assembling method. Through the carrying-free interference cold-mounted bearing assembling hydraulic machine with the optimized design, the lifting frame drives the assembling main body on the rotating frame to ascend through the supporting frame, and under the action of the supporting surface of the machine body, one end of the rotating frame climbs along with the supporting surface, so that the assembling main body finishes the change from the inclined state to the horizontal feeding posture, and the carrying of the assembling main body is realized.
Description
Technical Field
The invention relates to the technical field of interference cold-mounted bearing assembly, in particular to a non-carrying hydraulic press for the interference cold-mounted bearing assembly and an assembly method.
Background
The bearing is a very important component in modern mechanical equipment, and the main functions of the bearing are to support the rotation of a mechanical body, reduce the friction coefficient of the rotation and ensure the precision of the rotation. In general, the bearing works when the shaft rotates, so that the inner wall of the bearing and the rotating shaft are in interference fit. The cold assembly is a common assembly mode of the bearing, and the bearing is pressed into an assembly hole of an assembly main body such as a bearing seat and the like through a hydraulic machine. Since the assembly body generally has a large disc structure, a lot of manpower is consumed to horizontally place the assembly body to a designated station of the hydraulic machine.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a non-carrying interference cold-mounted bearing assembling hydraulic machine and an assembling method.
The invention provides a non-carrying interference cold-mounted bearing assembly hydraulic machine, which comprises: the device comprises a machine body, a lifting frame and a rotating frame;
the body is provided with a main body installation position and a pressure head, the pressure head is positioned above the main body installation position, and one side of the body is provided with a supporting surface which obliquely extends downwards from the main body installation position;
the lifting frame is installed on the machine body in a lifting mode, a feeding portion and two supporting portions are arranged on the lifting frame, the feeding portion is located on one side of the supporting face, the two supporting portions extend out of two sides of the main body installation portion from the feeding portion respectively, the rotating frame is located above the lifting frame and located between the two supporting portions, one end of the rotating frame is rotatably installed on the feeding portion, and the other end of the rotating frame is supported on the supporting face.
Preferably, the supporting part is provided with a plurality of supporting rollers, and the supporting rollers are arranged in parallel with the rotating shaft of the rotating frame and are sequentially arranged in the direction away from the feeding part.
Preferably, the bottom of one end of the rotating frame, which is far away from the rotating shaft, is provided with a roller matched with the supporting surface;
preferably, the upper end of the supporting surface is provided with a limiting groove matched with the roller.
Preferably, a main body positioning groove is formed in the feeding part;
preferably, the feeding part is further provided with a guide surface extending obliquely from the edge of the main body positioning groove to one side.
Preferably, the lifting frame is provided with a limiting part for limiting the bottom of the rotating frame.
Preferably, the lifting frame is mounted on the side of the fuselage remote from the turret.
According to the non-carrying interference cold-mounted bearing assembly hydraulic machine, one side of a machine body is provided with a supporting surface which obliquely extends downwards from a main body mounting position, a lifting frame is arranged on the machine body in a lifting mode, a lifting frame feeding portion is located on one side of the machine body supporting surface, a rotating frame is located above the lifting frame and located between two supporting portions, one end of the rotating frame is rotatably arranged on the feeding portion, and the other end of the rotating frame is supported on the supporting surface. Through the carrying-free interference cold-mounted bearing assembling hydraulic machine with the optimized design, the lifting frame drives the assembling main body on the rotating frame to ascend through the supporting frame, and under the action of the supporting surface of the machine body, one end of the rotating frame climbs along with the supporting surface, so that the assembling main body finishes the change from the inclined state to the horizontal feeding posture, and the carrying of the assembling main body is realized.
The invention also provides an interference cold-mounted bearing assembling method, which is realized by the carrying-free interference cold-mounted bearing assembling hydraulic machine, and the assembling method comprises the following steps:
s1, placing the assembly main body on the feeding part in an inclined mode, and enabling the assembly main body to rotate to the horizontal direction along with the rotating frame and be located on one side of the main body installation position through the lifting frame rising;
s2, translating the horizontally arranged assembling main body to the main body mounting position along the upper part of the supporting part;
s3, placing the bearing into an assembly hole in the middle of the assembly main body, and then pressing the bearing down to assemble the bearing in place through a pressure head;
s4, then, the assembled main assembly body is translated on a revolving frame;
and S5, descending the lifting frame to enable the assembling main body to be obliquely supported on the feeding part.
Preferably, in S1, the turret ascends above the main body installation site;
preferably, in S2, after the assembling body is translated above the body mounting position, the lifting frame is lowered by a preset height;
preferably, in S4, the elevating frame is further raised, the assembled fitting body is lifted from the body mounting position by the supporting portion, and then the assembled fitting body is translated on the turret.
Preferably, in S1, a lubricating layer is coated on the inner wall of the fitting hole of the fitting body in advance;
preferably, in S1, a circlip is placed on the body mounting position of the body in advance.
Preferably, in S3, after the bearing is placed in the assembly hole in the middle of the assembly body, the bearing is preassembled with the assembly body by knocking the bearing;
preferably, in S3, before the bearing is pressed down by the ram, the bearing is sleeved with a protective sleeve, and the ram presses down the bearing by pressing down the protective sleeve.
In the invention, the technical effect of the method for assembling the non-carrying interference cold-mounted bearing is similar to that of the hydraulic press for assembling the non-carrying interference cold-mounted bearing, and therefore, the method is not repeated.
Drawings
Fig. 1 is a schematic structural diagram of a non-carrying interference cold-mounted bearing assembling hydraulic machine provided by the invention.
Fig. 2 is a schematic structural diagram of a lifting drive assembly of the non-carrying interference cold-mounted bearing assembling hydraulic machine provided by the invention.
Fig. 3 is a schematic partial structural view of the matching between the rotating frame and the supporting surface of the non-carrying interference cold-mounted bearing assembling hydraulic machine provided by the invention.
Fig. 4 is a schematic diagram of initial feeding of a non-carrying interference cold-mounted bearing assembling hydraulic machine provided by the invention.
Fig. 5 is a schematic diagram of a lifting assembly main body of the non-carrying interference cold-mounted bearing assembly hydraulic machine provided by the invention.
FIG. 6 is a schematic view of the assembly body of the non-carrying interference cold-mounted bearing assembly hydraulic machine translating to the machine body.
Fig. 7 is an assembly schematic diagram of the non-carrying interference cold-mounted bearing assembly hydraulic machine provided by the invention.
Detailed Description
As shown in fig. 1 to 7, fig. 1 is a schematic structural diagram of a non-carrying interference cold-mounted bearing assembling hydraulic machine and an assembling method provided by the invention, FIG. 2 is a schematic structural diagram of a lifting drive assembly of a non-carrying interference cold-mounted bearing assembling hydraulic machine according to the present invention, FIG. 3 is a schematic view of a partial structure of a free-carrying interference cold-mounted bearing assembling hydraulic machine in which a rotating frame is matched with a supporting surface, FIG. 4 is a schematic diagram of the initial feeding of the non-carrying interference cold-mounted bearing assembling hydraulic machine according to the present invention, FIG. 5 is a schematic diagram of a lifting assembly body of the non-carrying interference cold-mounted bearing assembly hydraulic machine provided by the invention, FIG. 6 is a schematic view of the assembly body of the non-carrying interference cold-mounted bearing assembly hydraulic machine provided by the invention translating to the machine body, fig. 7 is an assembly schematic diagram of the non-carrying interference cold-mounted bearing assembly hydraulic machine provided by the invention.
Referring to fig. 1 to 3, the invention provides a non-carrying interference cold-mounted bearing 13 assembly hydraulic machine, which comprises: the device comprises a machine body 1, a lifting frame 2 and a rotating frame 3;
a main body installation position 6 and a pressure head 11 are arranged on the machine body 1, the pressure head 11 is positioned above the main body installation position 6, and a supporting surface which obliquely extends downwards from the main body installation position 6 is arranged on one side of the machine body 1;
Referring to fig. 4 to 7, the process for assembling the bearing 13 of the hydraulic press by the non-carrying interference cold-mounted bearing 13 of the embodiment includes the following steps:
s1, placing the assembly main body 8 on the feeding part 21 in an inclined manner, and lifting the lifting frame 2 to enable the assembly main body 8 to rotate to the horizontal direction along with the rotating frame 3 and to be positioned on one side of the main body installation position 6;
specifically, in S1, a lubricating layer is coated on the inner wall of the fitting hole of the fitting body 8 in advance, and the circlip 7 is placed on the body mounting site 6 of the body 1.
For the convenience of assembling 8 material loading of main part when the hoisting frame is low level, material loading portion 21 middle part is equipped with the main part constant head tank, and 8 tip of assembly main part pass through the main part constant head tank location at the in-process that rises. When the assembly main body 8 is in a disc shape, the feeding part 21 is further provided with a guide surface extending from the edge of the main body positioning groove to one side in an inclined mode, and during feeding, the disc structure is rolled on the feeding part through the guide surface and then falls into the main body positioning groove for positioning.
In the process that the rotating frame rotates along with the lifting frame, the bottom of one end, away from the rotating shaft, of the rotating frame 3 is provided with a roller 31 matched with the supporting surface, one end, away from the rotating shaft, of the rotating frame is matched with the supporting surface through the roller, and the friction force of relative movement of the roller and the supporting surface is reduced, so that the rotating frame rotates stably.
Further, the holding surface upper end has the spacing groove with gyro wheel 31 complex, when the hoisting frame moved to the high position to carry on spacingly to the position of assembling main part 8, at this moment, when the hoisting frame continued to rise, carried on spacingly to a bogie gyro wheel one end through the spacing groove, makeed the revolving rack to 6 directions slight slopes in main part installation position, thereby be convenient for assemble 8 translations to the installation department on.
In order to facilitate accurate positioning of the assembly main body 8, the rotating frame 3 is lifted to the position above the main body installation position 6, so that the assembly main body 8 is higher than the main body installation position 6, and subsequent translation positioning is facilitated.
S2, translating the horizontally arranged assembling main body 8 to the main body mounting position 6 along the upper part of the supporting part;
specifically, firstly, the assembly main body 8 is translated along the supporting portion to a position right above the main body installation position 6, then the lifting frame falls down, and the assembly main body 8 is placed on the main body installation position 6, so that the accurate placement position of the assembly main body 8 is ensured. Then, the lifting frame 2 continues to descend for a preset height, and when the pressure head works, the assembly main body 8 is supported by the machine body, so that damage caused by excessive stress of the lifting frame is avoided.
In order to facilitate the assembly main body 8 to move horizontally on the support part, in a specific design mode of the support part, a plurality of supporting rollers 15 are arranged on the support part, and the supporting rollers 15 are arranged in parallel with a rotating shaft of the rotating frame 3 and are sequentially arranged in a direction far away from the feeding part 21; through setting up the backing roll, sliding friction when will assemble 8 translations of main part converts rolling friction into, is convenient for remove to avoid removing the wearing and tearing of in-process assembly main part 8.
S3, placing the bearing 13 into an assembly hole in the middle of the assembly main body 8, and then pressing and assembling the bearing 13 in place through the pressure head 11;
specifically, after the bearing 13 is placed in the middle assembly hole of the assembly main body 8, the bearing 13 can be pre-assembled with the assembly main body 8 by knocking the bearing 13, the protective sleeve 9 is sleeved outside the bearing 13, and then the pressure head 11 presses down the bearing 13 by pressing down the protective sleeve 9; avoid causing secondary damage to bearing 13 and assembly body 8 in the pressure head assembling process.
S4, after the assembly is finished, the assembled assembly main body 8 is translated on the revolving frame 3;
specifically, after the assembly is completed, the lifting frame 2 is controlled to continuously rise, the assembly main body 8 is lifted from the main body installation position 6 on the machine body through the supporting part, at the moment, one end, far away from the rotating shaft, of the rotating frame is separated from the supporting surface, a limiting part used for limiting the bottom of the rotating frame 3 is designed on the lifting frame 2, and the assembly main body 8 is supported when being horizontally moved on the rotating frame.
S5, and finally, the assembling body 8 is supported on the loading part 21 in an inclined manner by descending the lifting frame 2.
In this embodiment, the proposed transporting-free interference cold-mounted bearing 13 assembling hydraulic machine and assembling method have the advantages that one side of the machine body is provided with the supporting surface extending downwards from the main body installation position 6 in an inclined mode, the lifting frame is installed on the machine body in a lifting mode, the lifting frame feeding part is located on one side of the supporting surface of the machine body, the rotating frame is located above the lifting frame and located between the two supporting parts, one end of the rotating frame is rotatably installed on the feeding part, and the other end of the rotating frame is supported on the supporting surface. Through the non-carrying interference cold-mounted bearing 13 assembly hydraulic press of above-mentioned optimal design, the assembly main part 8 that the hoisting frame passes through on the support frame drives the revolving rack rises, under the effect of the holding surface of fuselage, revolving rack one end is along with the holding surface climbs for assembly main part 8 accomplishes from slope to horizontally material loading posture change, and then realizes the transport of assembly main part 8.
In a practical design installation, the lifting frame can be directly installed on the main machine. When reforming transform current press, also can dispose mounting bracket 16, mounting bracket 16 is located fuselage 1 and keeps away from 3 one sides of revolving rack, and the hoisting frame 2 liftable is installed on mounting bracket 16.
In the specific driving arrangement of the lifting frame, a lifting cylinder 12, a chain wheel 5 and a chain 4 can be adopted, the lifting cylinder 12 is vertically installed on an installation frame 16, the chain wheel 5 can be rotatably installed at the upper end of the lifting cylinder 12, the chain 4 bypasses a supporting wheel, and two ends of the chain are respectively and fixedly connected with the lifting frame 2 and the installation frame 16; through the rational design to the drive assembly of hoisting frame, guarantee the steady promotion of the assembly main part 8 of heavy weight, and then alleviate the working strength of manpower transport. Specifically, the hoisting frame 2 is close to one side of the mounting frame 16 and is provided with a guide wheel 17 matched with the mounting frame 16, and the hoisting frame is matched with the chute of the mounting frame through the guide wheel, so that the lifting friction is reduced, and the lifting stability is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a exempt from to carry interference cold dress bearing assembly hydraulic press which characterized in that includes: the device comprises a machine body (1), a lifting frame (2) and a rotating frame (3);
a main body installation position (6) and a pressure head (11) are arranged on the machine body (1), the pressure head (11) is positioned above the main body installation position (6), and a supporting surface which obliquely and downwardly extends from the main body installation position (6) is arranged on one side of the machine body (1);
lifting frame (2) liftable is installed on fuselage (1), is equipped with material loading portion (21) and two supporting parts on lifting frame (2), material loading portion (21) are located holding surface one side, two supporting parts respectively from material loading portion (21) to main part installation position (6) both sides are stretched out, and revolving rack (3) are located lifting frame (2) top and are located between two supporting parts, revolving rack (3) one end is rotatable to be installed material loading portion (21) are gone up and the other end supports on the holding surface.
2. The non-carrying interference cold-mounted bearing assembling hydraulic machine as claimed in claim 1, wherein a plurality of supporting rollers (15) are arranged on the supporting portion, the supporting rollers (15) are arranged in parallel with a rotating shaft of the rotating frame (3) and are sequentially arranged in a direction away from the feeding portion (21).
3. The non-carrying interference cold-mounted bearing assembling hydraulic machine as claimed in claim 1, wherein the bottom of one end of the rotating frame (3) far away from the rotating shaft is provided with a roller (31) matched with the supporting surface;
preferably, the upper end of the supporting surface is provided with a limiting groove matched with the roller (31).
4. The non-carrying interference cold-mounted bearing assembling hydraulic machine as claimed in claim 1, characterized in that a main body positioning groove is formed in the middle of the feeding part (21);
preferably, the loading part (21) is further provided with a guide surface which extends from the edge of the main body positioning groove to one side in an inclined way.
5. The non-carrying interference cold-mounted bearing assembling hydraulic machine and the assembling method according to claim 1 are characterized in that a limiting piece used for limiting the bottom of the rotating frame (3) is arranged on the lifting frame (2).
6. The non-carrying interference cold-mounted bearing assembling hydraulic machine and the assembling method according to claim 1 are characterized in that the lifting frame (2) is installed on one side of the machine body (1) far away from the rotating frame (3).
7. An interference cold-mounted bearing assembling method, which is realized by the carrying-free interference cold-mounted bearing assembling hydraulic machine according to any one of claims 1 to 6, and comprises the following steps:
s1, placing the assembly main body (8) on the feeding part (21) in an inclined mode, and enabling the assembly main body (8) to rotate to the horizontal direction along with the rotating frame (3) and be located on one side of the main body installation position (6) through the lifting frame (2) rising;
s2, translating the horizontally arranged assembling main body (8) to the main body mounting position (6) along the upper part of the supporting part;
s3, placing the bearing (13) into an assembly hole in the middle of the assembly main body (8), and then pressing and assembling the bearing in place through a pressure head (11);
s4, translating the assembled main assembly body (8) on the rotary frame (3);
and S5, descending the lifting frame (2) to enable the assembly main body (8) to be supported on the feeding part (21) in an inclined mode.
8. The interference cold load bearing assembling method according to claim 1, wherein in S1, the turret (3) is raised above the body mounting site (6);
preferably, in S2, after the assembly body (8) is translated above the body mounting location (6), the lifting frame (2) is lowered by a preset height;
preferably, in S4, the lifting frame (2) is further lifted, the assembled assembly body (8) is lifted from the body mounting location (6) by the supporting portion, and then the assembled assembly body (8) is translated on the turret (3).
9. The interference cold-mounted bearing assembling method according to claim 1, wherein in S1, a lubricating layer is coated on an inner wall of the assembling hole of the assembling body (8) in advance;
preferably, in S1, the snap spring (7) is placed on the body mounting position (6) of the body (1) in advance.
10. The interference cold-pack bearing assembling method according to claim 1, wherein in S3, after the bearing (13) is put into the central assembling hole of the assembling body (8), the bearing (13) is pre-assembled with the assembling body (8) by knocking;
preferably, in S3, before the bearing (13) is pressed down by the pressing head (11), the protective sleeve (9) is sleeved outside the bearing (13), and the pressing head (11) presses down the bearing by pressing down the protective sleeve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111482754.1A CN114083270B (en) | 2021-12-07 | 2021-12-07 | Non-carrying interference cold-mounted bearing assembling hydraulic machine and assembling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111482754.1A CN114083270B (en) | 2021-12-07 | 2021-12-07 | Non-carrying interference cold-mounted bearing assembling hydraulic machine and assembling method |
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| CN114083270A true CN114083270A (en) | 2022-02-25 |
| CN114083270B CN114083270B (en) | 2022-09-23 |
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| CN111318869A (en) * | 2020-04-14 | 2020-06-23 | 中车青岛四方车辆研究所有限公司 | Automatic pin pressing machine |
| CN211589168U (en) * | 2019-12-31 | 2020-09-29 | 北京正和顺汽车部件有限公司 | Workpiece sleeve pressing machine |
| CN113716286A (en) * | 2021-08-19 | 2021-11-30 | 仪征常众汽车部件有限公司 | Loading attachment with adjustable track |
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2021
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| CN114083270B (en) | 2022-09-23 |
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