CN104014702A - Device for machining hollow shaft with equal inner diameters - Google Patents
Device for machining hollow shaft with equal inner diameters Download PDFInfo
- Publication number
- CN104014702A CN104014702A CN201410208992.7A CN201410208992A CN104014702A CN 104014702 A CN104014702 A CN 104014702A CN 201410208992 A CN201410208992 A CN 201410208992A CN 104014702 A CN104014702 A CN 104014702A
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- plug
- hollow
- hollow shaft
- strip plate
- rod
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Abstract
The invention discloses a device for machining a hollow shaft with equal inner diameters. The device comprises a left rack, a right rack, an upper mould and a lower mould, wherein the upper mould and the lower mould are arranged between the left rack and the right rack. The device further comprises a feeding device which is arranged on the side edge of the right rack and used for feeding a hollow rolled compact into the space between the upper mould and the lower mould. The feeding device comprises a feeding air cylinder, a core rod supporting block arranged at the top of the feeding air cylinder, a conveying platform arranged obliquely, a rod guiding block arranged above the conveying platform and a rod locating block arranged below the conveying platform and corresponding to the rod guiding block, and further comprises a core rod. The core rod comprises a pointed head, a cylindrical end and a rod-shaped body. The cylindrical end is supported by the core rod supporting block. The rod-shaped body is inserted into a hollow rod through guidance of the pointed head. Through the device, the hollow rod is located accurately, the core rod is automatically located, penetrated into and pulled out, the inner wall of a shaft hole of the hollow rod can not be influenced in the process of machining the hollow rod, and accordingly the hollow shaft with the equal inner diameters and the smooth and uniform inner wall can be obtained.
Description
Technical field
The present invention relates to a kind of processing unit (plant), relate in particular to a kind of processing unit (plant) of uniform internal diameter hollow shaft.
Background technology
At mechanical engineering field, the use of hollow shaft can, keeping, under the prerequisite that material mechanical performance is constant, significantly reducing weight of equipment, improve the operating efficiency of equipment, is therefore widely used in the axle such as railroad car axle, Automobile shaft class part.
The process equipment of hollow shaft is mainly by turning equipment, forging process equipment and cross wedge rolling process equipment etc. at present.Wherein turning processing is because of shortcomings such as its stock utilization is not high, smear metal is polluted greatly, inefficiencys, and practical value is greatly limited; And the equipment investment of Forging Technology is larger, operating efficiency is general.
Cross wedge rolling, as effective axle class part processing method, can produce the various axle class part of kind, but great majority all belongs to solid shafting class part product, few for the manufacture of hollow shaft product.Its reason is that it is radial compression that cross wedge rolling is mainly out of shape, and extend axially, and the problem of flattening easily appears in hollow shaft in the operation of rolling.
For solving the problems referred to above of cross wedge rolling processing hollow shaft, a kind of solution is provided in prior art, the Chinese patent " a kind of cross wedge rolling forming method of hollow shaft head of automobile rear bridge " that for example publication number is CN101658858B, it inserts plug in seamless steel pipe, by being set, the forming wedge angle of mould and broadening angle reduce equipment investment and meet simultaneously the process requirements of hollow shaft, but this kind of mode is only applicable to manufacture hollow shaft blank, follow-up also need carried out fine finishining to shaft hole inner wall.
Summary of the invention
Technical problem to be solved by this invention is, for the above-mentioned deficiency of prior art, proposes one and can manufacture uniform internal diameter and the uniform hollow shaft processing unit (plant) of inner wall smooth.
The technical scheme that the present invention solves its technical problem employing is, a kind of processing unit (plant) of uniform internal diameter hollow shaft is proposed, it comprises left frame, right frame and be arranged at left frame and right frame between mold and bed die, also comprise be arranged at right frame side for hollow strip plate is sent into the pay-off between upper/lower die, described pay-off comprises feeding cylinder, be arranged at the plug back-up block at feeding cylinder top, the transport platform being obliquely installed, be arranged at the bar guide pad of side in transport platform and be arranged at transport platform lower side and the bar locating piece corresponding with bar guide pad, also comprise plug, described plug comprises pointed head, cylinder-shaped end and rod main part, and described cylinder-shaped end is supported by plug back-up block, and described rod main part inserts in hollow strip plate by pointed head guiding.
Further, described bar locating piece is the arcuate surface matching with hollow strip plate outer surface towards a side surface of bar guide pad.
Further, described bar guide pad comprises two guide plates that are oppositely arranged, and described two guide plate spacing and hollow strip plate length match, and at least one guide plate can be adjusted position along hollow strip plate length direction.
Further, described left frame madial wall is also provided with plug cover, and in the time that pay-off is sent between upper/lower die by plug and hollow strip plate, the pointed head of plug inserts in plug cover with location mandril and hollow strip plate; Before and after described upper/lower die, be also provided with front and rear baffle locating before and after hollow strip plate.
Further, described left frame outside is also provided with transmission device, described transmission device comprises motor, master gear, mold travelling gear and bed die travelling gear, described master gear engages with mold travelling gear and bed die travelling gear respectively, and the rotation of driven by motor master gear drives mold travelling gear and bed die travelling gear rotating Vortex simultaneously.
Further, also comprise hollow strip plate output device, described output device comprises the transfer plate that is obliquely installed between left frame and right frame and is positioned at bed die below, be arranged at multiple plug locating pieces of transfer plate bottom, drag hook and extract cylinder, described plug locating piece and drag hook end all offer locating slot; In the time being inserted with the hollow shaft of plug and rolling down from transfer plate, the rod main body section of plug is in the locating slot of plug locating piece and drag hook end, the columnar head portion of plug is arranged in the depressed part of drag hook, extracts cylinder and drives drag hook stretching motion that plug is extracted out from hollow shaft.
The present invention passes through the accurate location to hollow bar, and the automatic location of plug is penetrated and automatically extracted, and in the process of hollow bar, its shaft hole inner wall can not be affected, and can obtain the uniform hollow shaft of uniform internal diameter and inner wall smooth.This hollow shaft quality meets use standard, the wasting of resources that can avoid the inhomogeneous hollow shaft type part of inwall to cause, and in addition, this plug can also recycle, and has reduced production cost, and stock utilization also improves greatly.
Brief description of the drawings
Fig. 1 is the perspective view in a preferred embodiment of the present invention;
Fig. 2 is the structural representation of pay-off in Fig. 1;
Fig. 3 is that the structural representation behind position delivered to by hollow bar by pay-off;
Fig. 4 is the structural representation of Fig. 1 hollow core strip plate output device.
Detailed description of the invention
Be below specific embodiments of the invention by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
Please refer to Fig. 1, the processing unit (plant) of uniform internal diameter hollow shaft of the present invention, it comprises left frame 1, right frame 2 and be arranged at left frame 1 and right frame 2 between mold 3 and bed die 4, also comprise be arranged at right frame 2 sides for hollow strip plate 5 is sent between front and back two plate washers (not shown in FIG.) between upper/lower die to locate the pay-off of described hollow strip plate 5, described pay-off comprises feeding cylinder 6, be arranged at the plug back-up block 7 at feeding cylinder 6 tops, the transport platform 8 being obliquely installed, be arranged at the hollow rolled piece guide plate 9 of side in transport platform 8 and be arranged at transport platform lower side and the bar locating piece 10 corresponding with bar guide plate 9, also comprise plug 11, described plug 11 comprises pointed head 112, cylinder-shaped end 110 and rod main part 111, and described cylindrical head 110 is supported by plug back-up block 7, and described rod main part 111 inserts in hollow strip plate 5 by pointed head 112 guiding.
Please refer to Fig. 2, after hollow strip plate 5 is heated, from the bar guide plate 9 of transport platform 8, roll on bar locating piece 10, avoided beating in the left and right of feeding process hollow core strip plate 5; Hollow strip plate 5 is located in after locating piece 10, the cylindricality head 110 of plug is positioned on plug back-up block 7, the rod main part 111 of plug is inserted in hollow strip plate 5, feeding cylinder 6 pushes to plug 11 between upper/lower die and processes together with hollow strip plate 5 subsequently simultaneously.In process, location is overlapped by plug in hollow strip plate 5 left and right, and front and back are by two plate washer location, front and back.
Continue referring to Fig. 2, described locating piece 10 is the arcuate surface that matches with hollow strip plate 5 outer surfaces towards a side surface of bar guide plate 9 more accurate location to avoid beating simultaneously.
Described guide plate 9 comprises two guide plates 90 that are oppositely arranged, and described two guide plate 90 spacing and hollow strip plate 5 length match, and at least one guide plate 90 can be adjusted position along hollow strip plate length direction.In the present embodiment, guide plate is fixed in transport platform 8 by U-lag, and the spacing between the position adjustment guide plate by adjustment guide plate 90 in U-lag is to adapt to the hollow strip plate 5 of different length.
Please refer to Fig. 3, Fig. 3 shows hollow strip plate 5 and the pushed perspective view between upper/lower die time of plug 11.In Fig. 3, frame madial wall is also provided with plug cover 12, and this plug cover 12 is for location mandril 11 and hollow strip plate 5.
In the present embodiment, in the conveying and the operation of rolling of hollow strip plate 5, by multiple positioning means guarantee hollow strip plate 5 and plug 11 before processing with the positioning precision that adds man-hour, avoided in process the smoothness of inner wall impact of plug 11 on hollow strip plate 5.
Continue referring to Fig. 1, in the present embodiment, left frame 1 outside is also provided with transmission device, described transmission device comprises motor 13, master gear 14, mold travelling gear 15 and bed die travelling gear 16, described master gear 14 engages with mold travelling gear 15 and bed die travelling gear 16 respectively, and motor 13 drives master gear 14 to rotate and drives mold travelling gear 15 and bed die travelling gear 16 rotating Vortexes simultaneously.
After processed the completing of hollow strip plate 5, because plug 11 is also inserted in hollow strip plate 5, how the extracting plug 11 and how to make plug 11 also can not exert an influence and become problem demanding prompt solution the inner wall surface smoothness of hollow strip plate 5 in the process of extracting of automation.
Please refer to Fig. 4, the present embodiment also comprises hollow strip plate output device, described output device comprises the transfer plate 17 that is obliquely installed between left frame 1 and right frame 2 and is positioned at bed die 4 belows, be arranged at multiple plug locating pieces 18 of transfer plate 17 bottoms, drag hook 19 and extract cylinder 20, described plug locating piece 18 all offers locating slot 21 with drag hook 19 ends; After being inserted with the hollow strip plate 5 of plug 11 to roll formation hollow shaft 5 ' and while rolling down from transfer plate, the rod main part 111 of plug 11 is arranged in the locating slot 21 of plug locating piece and drag hook end, the cylindricality head 110 of plug is arranged in the depressed part of drag hook 19, extracts cylinder and drives drag hook 19 stretching motions that plug 11 is extracted out from hollow shaft 5 '.
When hollow strip plate 5 is rolled into after hollow shaft 5 ' by upper/lower die, hollow shaft 5 ' freely tumbles to transfer plate bottom and by plug locating piece 18 and drag hook 19 and locates along driver plate 17 under Action of Gravity Field.Now, the extreme temperatures of hollow shaft 5 ', can reach 950-1150 DEG C conventionally, and material plasticity is high; And plug 11 surface temperatures and environment facies are seemingly, rigidity of material is good, hollow shaft 5 ' is not really connected with plug 11 contact surfaces, just there is larger frictional force, can be by apply larger pulling force on drag hook 19, plug 11 is directly extracted, thereby obtained the uniform hollow shaft of uniform internal diameter inner wall smooth.This plug 11 can also continue for next time simultaneously.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendments or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (6)
1. the processing unit (plant) of a uniform internal diameter hollow shaft, it is characterized in that: comprise left frame, right frame and be arranged at left frame and right frame between mold and bed die, also comprise be arranged at right frame side for hollow strip plate is sent into the pay-off between upper/lower die, described pay-off comprises feeding cylinder, is arranged at the plug back-up block at feeding cylinder top, the transport platform being obliquely installed, and is arranged at the bar guide pad of side in transport platform and is arranged at transport platform lower side and the bar locating piece corresponding with bar guide pad; Also comprise plug, described plug comprises pointed head, rod main part and cylinder-shaped end, and described cylinder-shaped end is supported by plug back-up block, and described rod main part inserts in hollow strip plate by pointed head guiding.
2. the processing unit (plant) of uniform internal diameter hollow shaft according to claim 1, is characterized in that: described bar locating piece is the arcuate surface matching with hollow strip plate outer surface towards a side surface of bar guide pad.
3. the processing unit (plant) of uniform internal diameter hollow shaft according to claim 2, it is characterized in that: described bar guide pad comprises two guide plates that are oppositely arranged, described two guide plate spacing and hollow strip plate length match, and at least one guide plate can be adjusted position along hollow strip plate length direction.
4. the processing unit (plant) of uniform internal diameter hollow shaft according to claim 1, it is characterized in that: described left frame madial wall is also provided with plug cover, in the time that pay-off is sent between upper/lower die by plug and hollow strip plate, the pointed head of plug inserts in plug cover with location mandril and hollow strip plate; Before and after described upper/lower die, be also provided with front and rear baffle locating before and after hollow strip plate.
5. the processing unit (plant) of uniform internal diameter hollow shaft according to claim 1, it is characterized in that: described left frame outside is also provided with transmission device, described transmission device comprises motor, master gear, mold travelling gear and bed die travelling gear, described master gear engages with mold travelling gear and bed die travelling gear respectively, and the rotation of driven by motor master gear drives mold travelling gear and bed die travelling gear rotating Vortex simultaneously.
6. the processing unit (plant) of uniform internal diameter hollow shaft according to claim 1, it is characterized in that: also comprise hollow strip plate output device, described output device comprises the transfer plate that is obliquely installed between left frame and right frame and is positioned at bed die below, be arranged at multiple plug locating pieces of transfer plate bottom, drag hook and extract cylinder, described plug locating piece and drag hook end all offer locating slot; In the time being inserted with the hollow shaft of plug and rolling down from transfer plate, the rod main body section of plug is in the locating slot of plug locating piece and drag hook end, the columnar head portion of plug is arranged in the depressed part of drag hook, extracts cylinder and drives drag hook stretching motion that plug is extracted out from hollow shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410208992.7A CN104014702B (en) | 2014-05-16 | 2014-05-16 | A kind of processing unit (plant) of uniform internal diameter hollow shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410208992.7A CN104014702B (en) | 2014-05-16 | 2014-05-16 | A kind of processing unit (plant) of uniform internal diameter hollow shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104014702A true CN104014702A (en) | 2014-09-03 |
| CN104014702B CN104014702B (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410208992.7A Expired - Fee Related CN104014702B (en) | 2014-05-16 | 2014-05-16 | A kind of processing unit (plant) of uniform internal diameter hollow shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104014702B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107803405A (en) * | 2017-12-12 | 2018-03-16 | 上海魁殊自动化科技有限公司 | A kind of doffer |
| CN110899340A (en) * | 2019-12-20 | 2020-03-24 | 绍兴夏鸥科技有限公司 | Hollow part rolling device |
| CN111069290A (en) * | 2019-12-25 | 2020-04-28 | 宝鸡法士特齿轮有限责任公司 | Cross wedge rolling roller and cross wedge rolling method |
| CN112536404A (en) * | 2019-10-29 | 2021-03-23 | 北京机电研究所有限公司 | Method for roll forging and forming hollow train axle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US502280A (en) * | 1893-08-01 | cramer | ||
| JPS61126937A (en) * | 1984-11-22 | 1986-06-14 | Mitsubishi Heavy Ind Ltd | Manufacture of stepped shaft-like product |
| CN201511046U (en) * | 2009-10-30 | 2010-06-23 | 济南第二汽车配件有限公司 | Cross wedge rolling hollow shaft type loading and unloading device |
| CN203418049U (en) * | 2013-07-16 | 2014-02-05 | 安庆市吉安汽车零件锻轧有限公司 | Feeding frame mechanism |
| CN103639334A (en) * | 2013-12-09 | 2014-03-19 | 安庆市振发汽车锻件有限责任公司 | Multipurpose cross wedge rolling die |
| CN203862932U (en) * | 2014-05-16 | 2014-10-08 | 宁波工程学院 | Processing device for hollow shaft with equal inner diameter |
-
2014
- 2014-05-16 CN CN201410208992.7A patent/CN104014702B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US502280A (en) * | 1893-08-01 | cramer | ||
| JPS61126937A (en) * | 1984-11-22 | 1986-06-14 | Mitsubishi Heavy Ind Ltd | Manufacture of stepped shaft-like product |
| CN201511046U (en) * | 2009-10-30 | 2010-06-23 | 济南第二汽车配件有限公司 | Cross wedge rolling hollow shaft type loading and unloading device |
| CN203418049U (en) * | 2013-07-16 | 2014-02-05 | 安庆市吉安汽车零件锻轧有限公司 | Feeding frame mechanism |
| CN103639334A (en) * | 2013-12-09 | 2014-03-19 | 安庆市振发汽车锻件有限责任公司 | Multipurpose cross wedge rolling die |
| CN203862932U (en) * | 2014-05-16 | 2014-10-08 | 宁波工程学院 | Processing device for hollow shaft with equal inner diameter |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107803405A (en) * | 2017-12-12 | 2018-03-16 | 上海魁殊自动化科技有限公司 | A kind of doffer |
| CN112536404A (en) * | 2019-10-29 | 2021-03-23 | 北京机电研究所有限公司 | Method for roll forging and forming hollow train axle |
| CN110899340A (en) * | 2019-12-20 | 2020-03-24 | 绍兴夏鸥科技有限公司 | Hollow part rolling device |
| CN111069290A (en) * | 2019-12-25 | 2020-04-28 | 宝鸡法士特齿轮有限责任公司 | Cross wedge rolling roller and cross wedge rolling method |
| CN111069290B (en) * | 2019-12-25 | 2021-06-15 | 宝鸡法士特齿轮有限责任公司 | Cross wedge rolling roller and cross wedge rolling method |
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| Publication number | Publication date |
|---|---|
| CN104014702B (en) | 2015-12-23 |
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