CN103252636A - Electric main shaft bearing cold pressing assembling tool - Google Patents
Electric main shaft bearing cold pressing assembling tool Download PDFInfo
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- CN103252636A CN103252636A CN2013101884823A CN201310188482A CN103252636A CN 103252636 A CN103252636 A CN 103252636A CN 2013101884823 A CN2013101884823 A CN 2013101884823A CN 201310188482 A CN201310188482 A CN 201310188482A CN 103252636 A CN103252636 A CN 103252636A
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- main shaft
- electric main
- shaft bearing
- assembly tooling
- backplate
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Abstract
The invention discloses an electric main shaft bearing cold pressing assembling tool, and belongs to the field of numerical control machine tools. The tool at least comprises a crown sheet, an adjusting locking nut, a rectangular threaded nut, a guide column, a protection plate and a base plate, and thus the cold pressing assembling tool which is applicable to electric main shaft bearings with different specifications and sizes is formed. The electric main shaft bearing cold pressing assembling tool can satisfy the demand of simultaneous assembling of an inner ring of an electric main shaft bearing and an outer ring of the electric main shaft bearing, a pressing assembling height can be adjusted in a wide range, so that the cold pressing assembling tool is applicable to pressing assembling of electric main shafts with various models and different lengths. A hydraulic thruster is used for providing motive power, therefore degree of mechanization is improved, operation is simple and convenient, and range of application is wide. Due to the fact that the tool is used as a locating support for electric main shaft bearing pressing assembling, stress of the inner ring of the electric main shaft bearing and stress of the outer ring of the electric main shaft bearing are even, the bearing is no longer damaged, and assembling quality and assembling precision of the electric main shaft bearing are improved.
Description
Technical field
The present invention relates to the Digit Control Machine Tool field, particularly a kind of electric mainshaft bearing assembly tooling of colding pressing.
Background technology
Along with the developing rapidly and being gradually improved of electric drive technology, the frame for movement of high-speed numeric control main transmission system of machine tool is simplified greatly, has cancelled belt wheel transmission and gear drive basically.Machine tool chief axis is directly driven by built-in motor, and the drive mechanism form that this spindle drive motor and machine tool chief axis " unite two into one " makes spindle unit relatively independent come out from the transmission system of lathe and overall structure, is called electric main shaft.
At present, the assembling of electric mainshaft bearing generally adopt heat install, cold pressing be pressed into and manual pound into etc. mode; Heat is installed and exactly bearing is heated with bearing heater or with oil, advances electric main shaft after the heating gently, is applicable to large-scale bearing or the bigger bearing of interference fit use level; Colding pressing, to be pressed into be by the compression tools into electric main shaft of colding pressing, and is applicable to the bearing of common cooperation or accurate relatively bearing; Pound by hand into being that pad is gone up hard wood, directly knock into red copper bar, be applicable to the bearing that required precision is not high.
In realizing process of the present invention, the inventor finds that there is following problem at least in prior art:
In many electric mainshaft bearing assembling processes, when if bearing ring and electric main shaft and bearing saddle bore all are tight fit, inner ring and outer ring will be pressed into electric main shaft and bearing saddle bore simultaneously during installation, the structure of mounting bush should be able to be given as security the end face that mandrel holds inner ring and outer ring simultaneously, adopt the method for heating can not satisfy this installation requirement, so must carry out running in bearings with the method for colding pressing; Employing is colded pressing, and forcing press is fitted in bearing earlier on the electric main shaft when being pressed into, then electric main shaft is packed in the bearing saddle bore together with bearing, usually, when press-fiting at the assembling lasso of end face pad one softer metals (copper or mild steel) of bearing inner race, pressure should directly be added on the end face of lasso, but owing to there is not positioning supports, unbalance stress, pressure can be pressed on the retainer unavoidably, this relatively difficulty of assembly manipulation of colding pressing, influence the bearing assembly quality, even can reduce because bearing assembles the improper precision of electric main shaft that causes; Adopt manual pounding into method that bearing is easily damaged, and timber generation chip cause bearing to pollute.
Summary of the invention
In order to solve prior art problems, the embodiment of the invention provides the assembly tooling of colding pressing of a kind of electric mainshaft bearing.Can satisfy inner ring and the outer ring of electric mainshaft bearing and install simultaneously, press-fiting height can regulate on a large scale, can improve electric mainshaft bearing assembly quality and assembly precision.Described technical scheme is as follows:
The assembly tooling of colding pressing of a kind of electric mainshaft bearing, described frock comprises at least: top board, adjusting lock nut, rectangular thread nut, guide pillar, backplate, base plate constitute the cold pressing frock of assembling of the electric mainshaft bearing that adapts to different specification size thus.
Particularly, two described guide pillars are installed on the described base plate, described guide pillar middle part is equipped with described backplate, and described guide pillar top is equipped with described top board by described adjusting lock nut up and down, and described top board middle part is provided with described rectangular thread nut.
Particularly, described base plate is provided with the base plate installing hole of two symmetries, and described guide pillar is installed in the described base plate installing hole by bolt.
Particularly, the outer border of described adjusting lock nut is symmetrically arranged with four locking grooves.
Further, to be provided with in order to the length of highly regulating be that the external screw thread of 100-400mm cooperates with described adjusting lock nut on described guide pillar top.
Particularly, described top board center is provided with a through hole, and the through hole periphery is provided with screw, and in order to described rectangular thread nut to be installed, the central through hole both sides respectively are provided with a symmetrical top board installing hole, in order to two described guide pillars to be installed.
Particularly, described center of protecting panel is provided with a backplate through hole, and in order to the main shaft mandrel to be installed, described backplate through hole both sides respectively are provided with a symmetrical backplate installing hole, in order to two described guide pillars to be installed.
Particularly, the outside of described backplate installing hole respectively is provided with a horizontal thread hole, by jackscrew and the fastening location of described guide pillar.
Particularly, described rectangular thread nut is the convex round nut, and inner chamber is provided with rectangular thread, and boss is provided with installing hole, connects with described top board by screw.
Further, described base plate installing hole, described top board installing hole and described backplate installing hole are concentric.
The beneficial effect that the technical scheme that the embodiment of the invention provides is brought is:
Can satisfy inner ring and the outer ring of electric mainshaft bearing by the embodiment of the invention and install simultaneously, press-fiting height can regulate on a large scale, press-fits with the electric main shaft that adapts to various model different lengths; Draw horse as power by hydraulic pressure, mechanization degree improves, and is simple to operation, has wide range of applications; Owing to adopt this frock as the positioning supports that electric mainshaft bearing press-fits, making when press-fiting the Internal and external cycle of electric mainshaft bearing, stressed evenly bearing no longer is damaged, and improves electric mainshaft bearing assembly quality and assembly precision.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the cold pressing front view of assembly tooling structural representation of electric mainshaft bearing that the embodiment of the invention provides;
Fig. 2 is the cold pressing vertical view of assembly tooling structural representation of electric mainshaft bearing that the embodiment of the invention provides;
Fig. 3 is the cold pressing left view of assembly tooling structural representation of electric mainshaft bearing that the embodiment of the invention provides;
Fig. 4 is the cold pressing vertical view of base arrangement schematic diagram of assembly tooling of electric mainshaft bearing that the embodiment of the invention provides;
Fig. 5 is the cold pressing vertical view of top board structure schematic diagram of assembly tooling of electric mainshaft bearing that the embodiment of the invention provides;
Fig. 6 is the cold pressing vertical view of guard board structure schematic diagram of assembly tooling of electric mainshaft bearing that the embodiment of the invention provides;
Fig. 7 is the cold pressing front view of rectangular thread nut structure schematic diagram of assembly tooling of electric mainshaft bearing that the embodiment of the invention provides;
Fig. 8 is that schematic diagram is used in the assembly tooling of colding pressing of electric mainshaft bearing that the embodiment of the invention provides.
Each symbolic representation implication is as follows among the figure:
1 top board, 1.1 top board installing holes, 1.2 through holes;
2 adjusting lock nuts;
3 rectangular thread nuts, 3.1 rectangular threads, 3.2 installing holes;
4 guide pillars;
5 backplates, 5.1 backplate installing holes, 5.2 backplate through holes, 5.3 screwed holes;
6 base plates, 6.1 base plate installing holes;
7 main shaft mandrels;
8 electric main shaft and bearing blocks;
9 electric mainshaft bearings;
10 press-loading heads;
11 hydraulic pressure draw the horse hydraulic cylinder.
The specific embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Referring to Fig. 1, Fig. 2, shown in Figure 3, the embodiment of the invention provides the assembly tooling of colding pressing of a kind of electric mainshaft bearing, and this frock comprises at least: parts such as top board 1, adjusting lock nut 2, rectangular thread nut 3, guide pillar 4, backplate 5, base plate 6; Particularly, two guide pillars 4 are installed on the described base plate 6, guide pillar 4 middle parts are equipped with backplate 5, guide pillar 4 tops are equipped with top board 1 by up-down adjustment locking nut 2, described top board 1 middle part is provided with rectangular thread nut 3, be configured for the cold pressing frock of assembling of electric mainshaft bearing thus, can improve the bearing assembly quality, and the electric mainshaft bearing that can adapt to all size size assembling of colding pressing.
Referring to shown in Figure 4, further, described base plate 6 is a rectangular slab, is provided with the base plate installing hole 6.1 of two symmetries simultaneously, is used for installing two guide pillars 4; The bottom of described guide pillar 4 is provided with screwed hole, be installed in the base plate installing hole 6.1 by bolt, it is that the external screw thread of 100-400mm cooperates with adjusting lock nut 2 that guide pillar 4 tops are provided with in order to the length of highly regulating, height can be regulated on a large scale, press-fit with the electric main shaft that adapts to various model different lengths; Described adjusting lock nut 2 is round nut, and outer border is symmetrically arranged with four locking grooves, is convenient to go up lower nut with spanner locking.
Simultaneously referring to shown in Figure 5, further, described top board 1 is a rectangular slab, the center is provided with a through hole 1.2, through hole 1.2 peripheries are provided with screw, are used for rectangular thread nut 3 is installed, and the central through hole both sides respectively are provided with a symmetrical top board installing hole 1.1, and concentric with base plate installing hole 6.1, be used for installing two guide pillars 4.
Simultaneously referring to shown in Figure 6, further, described backplate 5 is a rectangle nylon sheet, the center is provided with a backplate through hole 5.2, be used for main shaft mandrel 7 is installed, and prevent that electric main shaft from skewing, backplate through hole 5.2 both sides respectively are provided with a symmetrical backplate installing hole 5.1, and concentric with base plate installing hole 6.1, top board installing hole 1.1, be used for installing two guide pillars 4; The outside of described backplate installing hole 5.1 respectively is provided with a horizontal thread hole 5.3, by jackscrew and guide pillar 4 fastening location.
Referring to shown in Figure 7, further, described rectangular thread nut 3 is the convex round nut simultaneously, and inner chamber is provided with rectangular thread 3.1, and boss is provided with installing hole 3.2, connects with top board 1 by screw; Described rectangular thread 3.1 is convenient to main shaft mandrel 7 up-down adjustment.
Referring to shown in Figure 8, in the electric mainshaft bearing assembling process, when if bearing ring and electric main shaft and bearing saddle bore all are tight fit, inner ring and outer ring will be pressed into electric main shaft and bearing saddle bore simultaneously during installation, at this moment draw horse to cooperate to install by frock of the present invention and hydraulic pressure, main shaft mandrel 7 bottoms are inserted in the backplate through hole 5.2 at backplate 5 centers, the hydraulic pressure on top draws horse hydraulic cylinder 11 to be installed on the top board 1 by rectangular thread nut 3, rectangular thread nut 3 can be used as the guide pin bushing that draws horse hydraulic cylinder 11 to cooperate with hydraulic pressure, hydraulic pressure draws horse hydraulic cylinder 11 bottoms to be provided with a cavity press-loading head 10, the inside and outside wall of press-loading head 10 is the same with the bearing enclose size, Internal and external cycle was simultaneously stressed when assurance press-fited, and bearing no longer is damaged.Electric main shaft and bearing block 8 are sleeved on the main shaft mandrel 7, electric mainshaft bearing 9 is placed electric main shaft and bearing block 8 tops, start hydraulic pressure and draw horse hydraulic cylinder 11, hydraulic pressure is applied to press-loading head 10, press-loading head 10 is pressed into electric mainshaft bearing 9 in electric main shaft and the bearing block 8 to pressing down.Electric main shaft and bearing block 8 structures are prior art among the figure, and the electric main shaft of producing with German HULLER HILLE company is example.Described hydraulic pressure draws the Marko to select for use French FACOM brand and model to be: product u.312HJ4.
Frock of the present invention can be regulated the height up and down of top board 1 according to the bearing of different model, is equipped with the press-loading head 10 of different size, is applicable to the electric mainshaft bearing that press-fits different model.Before the assembling, utilize three-dimensional software, simulate assembling process repeatedly, reach disposable success.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. electric mainshaft bearing assembly tooling of colding pressing, it is characterized in that, described frock comprises at least: top board (1), adjusting lock nut (2), rectangular thread nut (3), guide pillar (4), backplate (5), base plate (6) constitute the frock that the electric mainshaft bearing that adapts to different specification size is colded pressing and assembled thus.
2. the electric mainshaft bearing according to claim 1 assembly tooling of colding pressing, it is characterized in that, two described guide pillars (4) are installed on the described base plate (6), described guide pillar (4) middle part is equipped with described backplate (5), described guide pillar (4) top is equipped with described top board (1) by described adjusting lock nut (2) up and down, and described top board (1) middle part is provided with described rectangular thread nut (3).
3. the electric mainshaft bearing according to claim 1 assembly tooling of colding pressing is characterized in that described base plate (6) is provided with the base plate installing hole (6.1) of two symmetries, and described guide pillar (4) is installed in the described base plate installing hole (6.1) by bolt.
4. the electric mainshaft bearing according to claim 1 assembly tooling of colding pressing is characterized in that, the outer border of described adjusting lock nut (2) is symmetrically arranged with four locking grooves.
5. the electric mainshaft bearing according to claim 1 assembly tooling of colding pressing is characterized in that, it is that the external screw thread of 100-400mm cooperates with described adjusting lock nut (2) that described guide pillar (4) top is provided with in order to the length of highly regulating.
6. the electric mainshaft bearing according to claim 1 assembly tooling of colding pressing, it is characterized in that, described top board (1) center is provided with a through hole (1.2), through hole (1.2) periphery is provided with screw, in order to described rectangular thread nut (3) to be installed, the central through hole both sides respectively are provided with a symmetrical top board installing hole (1.1), in order to two described guide pillars (4) to be installed.
7. the electric mainshaft bearing according to claim 1 assembly tooling of colding pressing, it is characterized in that, described backplate (5) center is provided with a backplate through hole (5.2), in order to main shaft mandrel (7) to be installed, described backplate through hole (5.2) both sides respectively are provided with a symmetrical backplate installing hole (5.1), in order to two described guide pillars (4) to be installed.
8. the electric mainshaft bearing according to claim 7 assembly tooling of colding pressing is characterized in that the outside of described backplate installing hole (5.1) respectively is provided with a horizontal thread hole (5.3), by jackscrew and the fastening location of described guide pillar (4).
9. the electric mainshaft bearing according to claim 1 assembly tooling of colding pressing, it is characterized in that described rectangular thread nut (3) is the convex round nut, inner chamber is provided with rectangular thread (3.1), boss is provided with installing hole (3.2), connects with described top board (1) by screw.
10. according to the assembly tooling of colding pressing of claim 3 or 6 or 7 described electric mainshaft bearings, it is characterized in that described base plate installing hole (6.1), described top board installing hole (1.1) and described backplate installing hole (5.1) are concentric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310188482.3A CN103252636B (en) | 2013-05-20 | 2013-05-20 | Electric mainshaft bearing cold-pressing assembly frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310188482.3A CN103252636B (en) | 2013-05-20 | 2013-05-20 | Electric mainshaft bearing cold-pressing assembly frock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103252636A true CN103252636A (en) | 2013-08-21 |
| CN103252636B CN103252636B (en) | 2016-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310188482.3A Active CN103252636B (en) | 2013-05-20 | 2013-05-20 | Electric mainshaft bearing cold-pressing assembly frock |
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| Country | Link |
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| CN (1) | CN103252636B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107775017A (en) * | 2016-08-31 | 2018-03-09 | 鼎奇(天津)主轴科技有限公司 | A kind of disassembling method of electro spindle |
| CN112917132A (en) * | 2019-12-06 | 2021-06-08 | 南京宝地梅山产城发展有限公司 | Device for assembling carrier roller |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5836078A (en) * | 1995-12-26 | 1998-11-17 | Dana Corporation | Apparatus for removing or mounting a bearing cup |
| CN201329487Y (en) * | 2008-10-24 | 2009-10-21 | 比亚迪股份有限公司 | Sliding bearing press-mounting device for press-mounting guide sleeve |
| CN201544010U (en) * | 2009-10-29 | 2010-08-11 | 刘子龙 | Cableway wheel liner and bearing pressing device |
| CN202129611U (en) * | 2011-06-24 | 2012-02-01 | 浙江金刚汽车有限公司 | Bearing press mounting machine |
| CN202655880U (en) * | 2012-07-23 | 2013-01-09 | 吴江市金澜机械制造有限公司 | Bushing assembling mechanism |
-
2013
- 2013-05-20 CN CN201310188482.3A patent/CN103252636B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5836078A (en) * | 1995-12-26 | 1998-11-17 | Dana Corporation | Apparatus for removing or mounting a bearing cup |
| CN201329487Y (en) * | 2008-10-24 | 2009-10-21 | 比亚迪股份有限公司 | Sliding bearing press-mounting device for press-mounting guide sleeve |
| CN201544010U (en) * | 2009-10-29 | 2010-08-11 | 刘子龙 | Cableway wheel liner and bearing pressing device |
| CN202129611U (en) * | 2011-06-24 | 2012-02-01 | 浙江金刚汽车有限公司 | Bearing press mounting machine |
| CN202655880U (en) * | 2012-07-23 | 2013-01-09 | 吴江市金澜机械制造有限公司 | Bushing assembling mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107775017A (en) * | 2016-08-31 | 2018-03-09 | 鼎奇(天津)主轴科技有限公司 | A kind of disassembling method of electro spindle |
| CN112917132A (en) * | 2019-12-06 | 2021-06-08 | 南京宝地梅山产城发展有限公司 | Device for assembling carrier roller |
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| Publication number | Publication date |
|---|---|
| CN103252636B (en) | 2016-03-16 |
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