CN108655697B - Quick location rear axle pressure equipment bearing equipment - Google Patents
Quick location rear axle pressure equipment bearing equipment Download PDFInfo
- Publication number
- CN108655697B CN108655697B CN201810379560.0A CN201810379560A CN108655697B CN 108655697 B CN108655697 B CN 108655697B CN 201810379560 A CN201810379560 A CN 201810379560A CN 108655697 B CN108655697 B CN 108655697B
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- bearing
- positioning
- rear axle
- pressed
- pressing
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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
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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
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/50—Other automobile vehicle parts, i.e. manufactured in assembly lines
Abstract
The invention discloses a quick positioning rear axle press-mounting bearing device which comprises a workbench and a rear axle die, wherein the rear axle die comprises a plurality of groups of coaxial bearing seats, bearings to be pressed are arranged in the bearing seats, a compression power assembly and a limiting assembly are arranged above the workbench, the compression power assembly is positioned on the limiting assembly, the bearing seats are arranged on one side of the compression power assembly, slide rails are arranged between the compression power assemblies corresponding to the coaxial bearing seats, slide blocks matched with the slide rails are arranged in the slide rails, a positioning assembly is fixed above the slide blocks, the positioning assembly comprises a positioning wall, a calibration surface is arranged on the upper side surface of the positioning wall, and the bearing seats are positioned above the calibration surface. The invention has the advantages that the bearing can be positioned and pressed simultaneously when being pressed, thereby improving the pressing efficiency; the processing space is enlarged, the positioning and processing are convenient, and the working efficiency of bearing press-mounting is high; the processing precision of the bearing to be pressed and the bearing seat is high; the synchronous processing of a plurality of bearings to be pressed can be completed through the pressing power assembly, so that the working efficiency of bearing press mounting is improved.
Description
Technical Field
The invention relates to the technical field of bearing press mounting, in particular to a device for quickly positioning a rear axle press mounting bearing.
Background
The rear axle bearing of the automobile is characterized in that the number of the bearing seats for mounting the bearing on the rear axle of the automobile is four, two of the bearing seats are positioned on the same axis, the other two bearing seats are also positioned on the same axis, the bearing of the rear axle is placed above the bearing seats when the rear axle bearing of the automobile is pressed and installed by a vertical punching machine, and the punching machine punches downwards; due to the interference of the rear axle structure and the punch structure, the coaxiality error is easy to occur after the bearings on the two sides of the rear axle are installed, the rear axle is difficult to install, and the adverse influence on the running performance of the automobile is easy to cause.
For example, the publication of the chinese patent document with the publication number CN206732499U, the publication number of 2017, 12.12.2017 discloses a utility model named "a multi-variety, multi-quantity oil bearing one-time interference press mounting device", which discloses a multi-variety, multi-quantity oil bearing one-time interference press mounting device, belonging to the field of motor bearing press mounting equipment, and comprises an upper template, a discharging template and a lower template, which are parallel to each other, the upper template is disposed above the lower template with an adjustable space therebetween, the top surface of the lower template is provided with at least two positioning posts perpendicular to the lower template, the top ends of the positioning posts are provided with positioning blocks coaxial with the positioning posts, the positioning blocks are circular truncated cone shapes with a smaller top end diameter and a larger bottom end diameter, the bottom surface of the upper template is provided with a pressing head perpendicular to the upper template, the discharging template is disposed between the upper template and the lower template, the bottom surface of the discharging template is elastically connected with the, the stripper plate is connected with the positioning column in a sliding manner, and a plurality of positioning pieces are arranged on the stripper plate. The method has the disadvantages that points of a plurality of points are positioned, the positioning requirement is high, and each positioning top is required to be positioned in place; the bearing press-fitting efficiency is low, one side can only finish the installation of a single oil-containing bearing, and the bearing installation of a bearing seat on a rear axle cannot be finished efficiently; the positioning columns and the positioning blocks control the installation of the bearing and further the end cover, the end cover needs to be accurately positioned through the positioning columns below the front end cover during the installation of the bearing, and then the end cover can be machined, so that the design of the device for quickly positioning the rear axle press-mounting bearing to improve the rear axle bearing press-mounting efficiency is necessary.
Disclosure of Invention
The invention provides the quick positioning rear axle press-mounting bearing equipment which can realize quick positioning of a rear axle die, synchronously install a plurality of rear axle bearings, reduce repeated installation and positioning, has high press-mounting and positioning efficiency and improves the installation efficiency and the installation precision of the bearings on the rear axle.
In order to achieve the above object, the present invention adopts the following technical solutions.
A quick positioning rear axle press-mounting bearing device comprises a workbench and a rear axle die, wherein the rear axle die comprises a plurality of groups of bearing seats with the same axis, a bearing to be pressed is arranged in each bearing seat, a pressing power assembly and a limiting assembly are arranged above the workbench, and the force application direction of the pressing power assembly is collinear with the bearing to be pressed; compress tightly power component and be located spacing subassembly, the bearing frame is established in the one side that compresses tightly power component, and the bearing frame of coaxial line corresponds compresses tightly and is equipped with the slide rail between the power component, slide rail and treating and press the bearing coaxial line, be equipped with in the slide rail with slide rail complex slider, the top of slider is fixed with locating component, locating component includes the location wall, the last side of location wall is equipped with the calibration face, the bearing frame is located the calibration face top of location wall.
The positioning assembly completes the pre-positioning of the rear axle mold, and the compaction power assembly completes the fixing of the rear axle mold during the processing; the force application direction of the pressing power assembly is coaxial with the bearing to be pressed, longitudinal stamping processing is changed into pressing processing in a plane, the processing space is enlarged, positioning processing is convenient, and the working efficiency of pressing and mounting the bearing is improved; the coaxial line of the piston rod and the bearing to be pressed can improve the processing precision of the bearing to be pressed and the bearing seat, and the bearing to be pressed and the bearing seat are prevented from being eccentric; the synchronous processing of a plurality of bearings to be pressed can be completed through the combination of a plurality of pressing power assemblies, so that the working efficiency of bearing press-mounting is improved; the calibration surface is arranged on the sliding rail, the pre-positioning of the bearing seat is completed through the calibration surface, the axis of the bearing seat is overlapped with the axis of the pressing power device, the sliding rail drives the calibration surface to be finely adjusted on the axis of the bearing seat, the bearing seat of the rear axle can be positioned and pressed when a bearing is pressed, and the pressing efficiency is improved.
Preferably, the positioning assembly comprises a connecting seat fixed with the sliding block, the connecting seat is located below the middle position of the positioning wall, two force measuring devices are arranged on the lower side of the positioning wall, and the two force measuring devices are located on two sides of the connecting seat respectively. The pressure borne by the positioning wall is measured through the force measuring device, the calibration surface is determined to finish the calibration of the bearing seat, the height of the axis of the bearing seat from the workbench is equal to the height of a pressure point for pressing the power assembly, and the working efficiency of the bearing press-mounting of the rear axle is improved.
Preferably, the calibration surface comprises two intersecting locating planes so as to form a V shape, and the intersection line of the two locating planes is parallel to the axis of the bearing to be pressed in the bearing seat. The calibration surface is V-shaped, so that the axis of the bearing seat can be accurately placed right above the intersection line of the two positioning planes of the calibration surface, the pre-positioning of the bearing seat is rapidly completed, and the press-fitting efficiency of the bearing seat is improved.
Preferably, the calibration surface is a cylindrical arc surface, and the axis of the calibration surface is parallel to the axis of the bearing to be pressed in the corresponding bearing seat. The calibration face is the cylinder cambered surface, makes things convenient for placing of rear axle, because the downside at rear axle bearing frame place is cylindrical, under rear axle self action of gravity, the axis of calibration face is located the bearing frame under, pre-positioning simple to operate, later as long as open the power component that exerts pressure and just can accomplish simultaneously and wait to press the location and the pressure equipment of bearing, the pressure equipment is efficient.
Preferably, the force measuring device comprises a pressure detecting piece positioned on the lower side of the positioning wall and a force value display screen in circuit communication with the pressure detecting piece. The pressure borne by the positioning wall is tested through the force measuring device, the pre-positioning accuracy of the bearing seat is ensured, the position of the calibration surface can be adjusted immediately through the visual display of the Lexus display screen numerical value, the pre-positioning of the bearing seat is completed immediately, and the machining efficiency is improved.
Preferably, two sides of the sliding block are provided with symmetrical return springs. The reset spring determines the initial position of the sliding block, and resets the sliding block after the rear axle die is taken out after the press mounting is completed, so that the pre-installation of the rear axle die is facilitated, and the press mounting efficiency of the bearing to be pressed is improved.
As preferred, spacing subassembly includes the fixed block of vertical fixation on the workstation, and the plane at the fixed block place of different spacing subassemblies is parallel to each other, and the fixed block passes through the work upper plane of connecting screw fixation at the workstation, and the upside of fixed block is equipped with the through-hole that lets the piston rod pass through. Through the fixed power assembly that exerts pressure of fixed block, the plane at fixed block perpendicular workstation's the work upper flat surface and fixed block place is parallel to each other, is favorable to guaranteeing that the fixed block of same bearing frame both sides is parallel, and then is favorable to guaranteeing the steady pressure equipment of treating the pressure bearing.
Preferably, the pressing power assembly comprises a pressing oil cylinder and a pressing block, the pressing oil cylinder comprises an oil cylinder shell and a piston rod, and the pressing block is located at the outer end of the piston rod; the piston rod and the bearing to be pressed share the same axis, and one side of the pressing block close to the bearing seat is provided with a transition chamfer. The oil cylinder is stable in pressing and good in power performance, the pressing block is favorable for pressing the bearing to be pressed into the bearing seat through the transition chamfer, and the bearing pressing efficiency is improved; the transition chamfer of the pressing block is beneficial to correcting the positions of the bearing seat and the pressing block, and the pressing accuracy is improved.
The invention has the advantages that:
1. the bearing to be pressed and a working upper plane piston rod of the workbench are coaxial with the bearing to be pressed, longitudinal stamping processing is changed into pressing processing in a plane, the processing space is enlarged, positioning processing is convenient, and the working efficiency of pressing the bearing is improved;
2. the pre-positioning of the bearing seat is completed through the calibration surface, and the sliding rail drives the calibration surface to be finely adjusted on the axis of the bearing seat, so that the bearing can be positioned and pressed when a bearing is pressed in the bearing seat of the rear axle, and the pressing efficiency is improved;
3. the positioning assembly completes the pre-positioning of the rear axle mold, and the fixing of the rear axle mold is completed by the pressure applying oil cylinder and the pressure applying block during the processing; the coaxial line of the piston rod and the bearing to be pressed can improve the processing precision of the bearing to be pressed and the bearing seat, and the bearing to be pressed and the bearing seat are prevented from being eccentric;
4. the synchronous processing of a plurality of bearings to be pressed can be completed through the combination of a plurality of pressing power assemblies, so that the bearing press-mounting efficiency is improved;
5. the force measuring device tests the pressure on the positioning wall, ensures accurate pre-positioning of the bearing seat, quickly completes the pre-positioning of the bearing seat and improves the press-fitting efficiency.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic view of one use configuration of the positioning assembly of the present invention.
FIG. 3 is a schematic view of another use configuration of the positioning assembly of the present invention.
In the figure: a bearing seat 21 of a rear axle die 2 of a slide rail 11 of a workbench 1 presses a double-rod hydraulic oil cylinder 301 of a power assembly 3 and a single-rod hydraulic oil cylinder 302 shell 31 piston rod 32 pressure block 33, a fixed block 41 of a position assembly 4 is connected with a positioning wall 51 of a positioning assembly 5 of a lug 411, a calibration surface 511 is connected with a force measuring device 52, a screw 54 and a slide block 55 of a position measuring device 53 are connected with a position measuring block 6 of a position.
Detailed Description
The invention is further described below with reference to the figures and specific embodiments.
In fig. 1, a quick positioning rear axle press mounting bearing device comprises a workbench 1 and a rear axle die 2, wherein the rear axle die 2 comprises a plurality of groups of bearing seats 21 which are coaxial, bearings to be pressed are arranged in the bearing seats 21, a pressing power assembly 3 and a limiting assembly 4 are arranged above the workbench 1, the pressing power assembly 3 comprises a pressing oil cylinder and a pressing block 33, the pressing oil cylinder comprises an oil cylinder shell 31 and a piston rod 32, and the pressing block 33 is arranged at the outer end of the piston rod 32; in fig. 1, a double-rod hydraulic cylinder 301 is arranged between two bearing seats 21 on which the inner bearings are coaxial, and two rods of the double-rod hydraulic cylinder 301 are both provided with a pressurizing block 33. Two spacing subassemblies 4 that back on the back of the two bearing frames 21 that lie in the same axis on the rear axle mould 2 and be close apart from set up stopper 6, two spacing subassemblies 4 that back on the back of the two bearing frames 21 that lie in the same axis distance far away in addition set up single-rod hydraulic cylinder 302.
The piston rod 32 and the bearing to be pressed are coaxial, the outer side surface of the pressing block 33 is in a stepped shaft shape, a through hole is formed in the pressing block 33, one end, with the smaller diameter, of the outer side surface of the pressing block 33 is fixed on the piston rod 32, the material consumption of the pressing block 33 is reduced on the premise that the working capacity of the pressing block 33 is guaranteed, and the cost is reduced. And one side of the pressurizing block 33 close to the bearing seat 21 is provided with a transition chamfer. Compress tightly power component 3 and be located spacing subassembly 4, bearing frame 21 is established in the one side that compresses tightly power component 3, and the bearing frame 21 of coaxial line corresponds compresses tightly between the power component 3 and is equipped with slide rail 11, slide rail 11 with wait to press the bearing coaxial line, be equipped with in the slide rail 11 with slide rail 11 complex slider 55, the both sides of slider 55 are equipped with symmetrical reset spring. The positioning assembly 5 is fixed above the sliding block 55, the positioning assembly 5 comprises a positioning wall 51, an upper side surface of the positioning wall 51 is provided with an alignment surface 511, and the bearing seat 21 is located above the alignment surface 511 of the positioning wall 51. The positioning assembly 5 comprises a connecting seat 52 fixed with a sliding block 55, the connecting seat 52 is positioned below the middle position of the positioning wall 51, two force measuring devices 53 are arranged on the lower side of the positioning wall 51, and the two force measuring devices 53 are respectively positioned on two sides of the connecting seat 52. In fig. 2, the calibration surface 511 includes two intersecting positioning planes to form a "V" shape, and the intersection line of the two positioning planes is parallel to the axis of the bearing to be pressed in the bearing housing 21. A transition cambered surface is arranged between the positioning planes. In fig. 3, the calibration surface 511 is a cylindrical arc surface, and the axis of the calibration surface 511 is parallel to the axis of the bearing to be pressed in the corresponding bearing seat 21. The force measuring device 53 includes a pressure detecting piece located on the lower side of the positioning wall 51 and a force value display screen in circuit communication with the pressure detecting piece.
When the bearing is pressed, the rear axle die 2 is placed on the positioning component 5, the bearing seat 21 is restrained and pre-positioned by the calibration surface 511 of the positioning wall 51, the pressure applied to the positioning wall 51 is measured in an auxiliary manner by the force measuring device 53 on the lower side of the positioning wall 51, so that the axis of the bearing seat 21 in the rear axle die 2 is ensured to be overlapped with the force application direction of the pressing power component 3, the positioning of the bearing seat 21 and the pressing power component 3 on the axis is completed, and the precision and the accuracy of the bearing pressing are improved. When the pressing oil cylinder pressing the power assembly 3 provides pressure to push the pressing block 33 during processing, the pressing block 33 is matched with another pressing block 33 or the limiting block 6, the bearing seat 21 is clamped and positioned during bearing pressing, and when the piston rod 32 of the pressing oil cylinder is outward, the whole rear axle die 2 can slide in the direction of the axis of the piston rod 32 due to the matching of the sliding block 55 and the sliding rail 11, so that the side pressing and side positioning of the rear axle die 2 can be completed, and the pressing and positioning efficiency of the rear axle bearing is improved. After the bearing to be pressed in the rear axle die 2 is pressed and pressed, the return spring auxiliary positioning assembly 5 is reset, so that the bearing pressing of the next rear axle die 2 can be completed quickly, and the mounting and positioning efficiency of the rear axle bearing is improved.
The bearing to be pressed and the working upper plane piston rod 32 of the working platform 1 are coaxial with the bearing to be pressed, longitudinal stamping processing is changed into pressing processing in a plane, the processing space is enlarged, positioning processing is convenient, and the working efficiency of pressing the bearing is improved; the pre-positioning of the bearing seat 21 is completed through the calibration surface 511, and the slide rail 11 drives the calibration surface 511 to be finely adjusted on the axis of the bearing seat 21, so that the bearing can be positioned and pressed in the bearing seat 21 of the rear axle during the press mounting of the bearing, and the press mounting efficiency is improved; the positioning assembly 5 finishes the pre-positioning of the rear axle die 2, and the fixing of the rear axle die 2 is finished by a pressure applying oil cylinder and a pressure applying block 33 during the processing; the coaxial line of the piston rod 32 and the bearing to be pressed can improve the processing precision of the bearing to be pressed and the bearing seat 21, and the bearing to be pressed and the bearing seat 21 are prevented from being eccentric; the synchronous processing of a plurality of bearings to be pressed can be completed through the combination of a plurality of pressing power assemblies 3, so that the working efficiency of bearing press-fitting is improved; the force measuring device 53 tests the pressure applied on the positioning wall 51, so that the pre-positioning of the bearing seat 21 is ensured to be accurate, the pre-positioning of the bearing seat 21 is rapidly completed, and the processing efficiency is improved.
Claims (7)
1. A quick positioning rear axle press-mounting bearing device is characterized by comprising a workbench and a rear axle die, wherein the rear axle die comprises a plurality of groups of bearing seats with the same axis, a bearing to be pressed is arranged in each bearing seat, a pressing power assembly and a limiting assembly are arranged above the workbench, and the force application direction of the pressing power assembly is collinear with the bearing to be pressed; the compression power assembly is positioned on the limiting assembly, the bearing seat is arranged on one side of the compression power assembly, a sliding rail is arranged between the compression power assemblies corresponding to the coaxial bearing seats, the sliding rail and the bearing to be compressed share the same axis, a sliding block matched with the sliding rail is arranged in the sliding rail, a positioning assembly is fixed above the sliding block, the positioning assembly comprises a positioning wall, a calibration surface is arranged on the upper side surface of the positioning wall, and the bearing seat is positioned above the calibration surface of the positioning wall; the pressing power assembly comprises a pressing oil cylinder and a pressing block; the positioning assembly comprises a connecting seat fixed with the sliding block, the connecting seat is positioned below the middle position of the positioning wall, two force measuring devices are arranged on the lower side of the positioning wall, and the two force measuring devices are respectively positioned on two sides of the connecting seat; when the bearing is pressed, the rear axle die is placed on the positioning assembly, the calibration surface of the positioning wall restrains and pre-positions the bearing seat, and the pressure applied to the positioning wall is measured in an auxiliary manner through the force measuring device on the lower side of the positioning wall; when a piston rod of the pressure oil cylinder is outward, the whole rear axle die can slide in the direction of the axis of the piston rod due to the matching of the sliding block and the sliding rail, so that the side pressing and side positioning of the rear axle die can be completed.
2. The apparatus as claimed in claim 1, wherein the alignment surface comprises two intersecting alignment planes forming a "V" shape, and the intersection line of the two alignment planes is parallel to the axis of the bearing to be pressed in the bearing seat.
3. The device for quickly positioning the rear axle for press mounting of the bearing as claimed in claim 1, wherein the calibration surface is a cylindrical arc surface, and the axis of the calibration surface is parallel to the axis of the bearing to be pressed in the corresponding bearing seat.
4. The apparatus as claimed in claim 1, wherein the force measuring device comprises a pressure detecting plate located on the lower side of the positioning wall and a force display screen in circuit communication with the pressure detecting plate.
5. The device for quickly positioning the rear axle press-fitting bearing as claimed in claim 1, wherein the slide block is provided with symmetrical return springs at both sides.
6. The quick-positioning rear axle press-fitting bearing device as claimed in claim 1, wherein the limiting assemblies comprise fixing blocks vertically fixed on the worktable, the planes of the fixing blocks of different limiting assemblies are parallel to each other, the fixing blocks are fixed on the working upper plane of the worktable by connecting screws, and the upper sides of the fixing blocks are provided with through holes for the piston rods to pass through.
7. The quick-positioning rear axle press-fitting bearing device as claimed in claim 1, wherein the pressure cylinder comprises a cylinder housing and a piston rod, and the pressure block is located at an outer end of the piston rod; the piston rod and the bearing to be pressed share the same axis, and one side of the pressing block close to the bearing seat is provided with a transition chamfer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810379560.0A CN108655697B (en) | 2018-04-25 | 2018-04-25 | Quick location rear axle pressure equipment bearing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810379560.0A CN108655697B (en) | 2018-04-25 | 2018-04-25 | Quick location rear axle pressure equipment bearing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108655697A CN108655697A (en) | 2018-10-16 |
| CN108655697B true CN108655697B (en) | 2020-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810379560.0A Active CN108655697B (en) | 2018-04-25 | 2018-04-25 | Quick location rear axle pressure equipment bearing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108655697B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433731A (en) * | 2013-09-05 | 2013-12-11 | 江苏三江电器集团有限公司 | Bearing press mounting device |
| CN206855398U (en) * | 2017-06-29 | 2018-01-09 | 北京亚太汽车底盘系统有限公司 | A kind of erecting device of half shaft flange |
| CN208342176U (en) * | 2018-04-25 | 2019-01-08 | 杭州容大智造科技有限公司 | A kind of quickly positioning rear axle pressing bearing equipment |
-
2018
- 2018-04-25 CN CN201810379560.0A patent/CN108655697B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433731A (en) * | 2013-09-05 | 2013-12-11 | 江苏三江电器集团有限公司 | Bearing press mounting device |
| CN206855398U (en) * | 2017-06-29 | 2018-01-09 | 北京亚太汽车底盘系统有限公司 | A kind of erecting device of half shaft flange |
| CN208342176U (en) * | 2018-04-25 | 2019-01-08 | 杭州容大智造科技有限公司 | A kind of quickly positioning rear axle pressing bearing equipment |
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| CN108655697A (en) | 2018-10-16 |
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