CN105033039A - Gear ring inner diameter enlarging tool - Google Patents
Gear ring inner diameter enlarging tool Download PDFInfo
- Publication number
- CN105033039A CN105033039A CN201510396914.9A CN201510396914A CN105033039A CN 105033039 A CN105033039 A CN 105033039A CN 201510396914 A CN201510396914 A CN 201510396914A CN 105033039 A CN105033039 A CN 105033039A
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- CN
- China
- Prior art keywords
- block
- swells
- enlarging
- replaceable
- vertical section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- Gears, Cams (AREA)
- Forging (AREA)
Abstract
The invention discloses a gear ring inner diameter enlarging tool. A group of enlarging blocks is installed on the top surface of a platform and is in sliding fit with the platform. A supporting block is correspondingly arranged on the outer side of each enlarging block, and a reset spring is arranged between each enlarging block and the corresponding supporting block. Each enlarging block is in an L shape, the inner surface and outer surface of the vertical section of each enlarging block are both arc surfaces, and the inner surfaces of the vertical sections of all the enlarging blocks can form a conical surface. An L-shaped replaceable enlarging block is arranged on each enlarging block, and the excircle surface of the horizontal section of each replaceable enlarging block is fixed to the vertical section of the corresponding enlarging block through a screw. The inner surface and outer surface of the vertical section of each replaceable enlarging block are both arc surfaces, and the outer surfaces of the vertical sections of all the replaceable enlarging blocks can form a cylindrical surface. According to the tool, gear rings with different inner diameters can be produced simply by replacing the replaceable enlarging blocks, replacement of the enlarging blocks is not needed, and accordingly production of gear rings with different inner diameters is facilitated and replacement cost is low.
Description
Technical field
The invention belongs to gear ring roughing field, particularly relate to a kind of gear ring internal diameter and to swell frock.
Background technology
In the roughing operation of gear ring, need the internal diameter being expanded gear ring by the frock that swells.At present, the existing frock that swells comprises platform, and wherein the end face of platform is provided with polylith and swells block, and the keyway on the key that this block bottom surface that swells is fixed and platform end face is slidably matched, and is provided with a return spring between the back-up block that every block swells on block and platform end face.Meanwhile, the swell inner side of block of every block is vertical section, and the inner surface of this vertical section is arc surface, and the inner surface of the vertical section of all blocks that swell can form the taper seat of a upper big, lower small.Add man-hour, outside vertical section workpiece being sleeved on all blocks that swells, then by the taper seat that the vertical section inner surface of all blocks that swells of the downward punching press of the drift of forging press is formed, thus allow all blocks that swells outwards open, the internal diameter of the gear ring that so just can swell simultaneously.On after ram coin puts in place, move reset, all block retracted for clearance under respective return spring effect that swells, finally all blocks that swells contact with each other, and the inner surface of the vertical section of all blocks that swell forms again the taper seat of a upper big, lower small.
The defect of the existing frock that swells is: the internal diameter of gear ring can only be swollen into a kind of specification, and the gear ring to process other internal diameter specifications just needs to change all blocks that swells, and operation is wasted time and energy, and replacement cost is high.
Summary of the invention
Technical problem to be solved by this invention is to provide the gear ring internal diameter of the multiple internal diameter specification of a kind of easy processing to swell frock.
Technical scheme of the present invention is as follows: a kind of gear ring internal diameter swells frock, the end face of platform (1) is circumferentially provided with one group of block that swells (2), and the radial keyway on the key that this block bottom surface that swells sets firmly and platform (1) end face is slidably matched, the outside correspondence of block (2) of swelling described in each is provided with a back-up block (3), this back-up block is installed on platform (1) end face, and each block that swells (2) be provided with a return spring (4) between corresponding back-up block (3), it is characterized in that: described in swell the cross section of block (2) for " L " shape structure, in its vertical section, outer surface is cambered outwards arc surface, and the inner surface of the vertical section of all blocks that swells (2) can form one above greatly, lower little taper seat, this taper seat coordinates with the drift on forging press, and the outer surface of the vertical section of all blocks that swells (2) can form a face of cylinder, the block (2) that swells described in every block is provided with a replaceable block that swells (5), the cross section of this replaceable block that swells is " L " shape structure, the bottom surface of its horizontal segment and the end face of the described block that swells (2) horizontal segment are fitted, and the periphery of horizontal segment is fixed with the vertical section of the block (2) that swells by least two radial screws (6) arranged, the inside and outside surface of the vertical section of the described replaceable block that swells (5) is cambered outwards arc surface, this replaceable block that swells (5) the vertically inner surface of section and the outer surface of the vertical section of the described block that swells (2) is fitted, and the outer surface of the vertical section of all replaceable blocks that swells (5) can form a face of cylinder, this face of cylinder is used for the inner hole with gear ring, so that the aperture of the gear ring that swells.
Correspondingly, the lower portion of ram of described forging press is up big and down small conus portion, and the downward punching press in bottom of this drift allows all swell block and the replaceable block synchronously outwards movement that swells, thus the internal diameter of the gear ring that swells.
Compared with traditional structure, the present invention, by the block that swells of original parts, is adjusted to the present block that swells (2) and these two parts of the replaceable block that swells (5).When processing the gear ring of different inner diameters specification, only needing the replaceable block that swells (5) changing corresponding specification size, like this with regard to not needing replacing to swell block, being not only convenient to the gear ring of production different inner diameters specification, and replacement cost is cheap, so just solve large problem by little change.
In order to reliably install return spring (4), one end of described return spring (4) is inserted in the blind hole swollen on block (2) horizontal segment periphery, and the other end of this return spring (4) inserts in the upper corresponding blind hole of described back-up block (3).
For the ease of connecting, each described replaceable block that swells (5) is fixed by two screws (6) and the block (2) that swells.
Beneficial effect: only need when the present invention produces the gear ring of different inner diameters specification to change the replaceable block that swells, and the block that swells need not be changed, be so not only convenient to the gear ring producing different inner diameters specification, and replacement cost is cheap, thus solve large problem by little change, there is good practicality.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is that the A-A of Fig. 1 is to turnover cutaway view Amplified image.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
As shown in Figure 1, 2, a kind of gear ring internal diameter swells frock, forms primarily of platform 1, the block 2 that swells, back-up block 3, return spring 4, replaceable block 5 and the screw 6 of swelling.Wherein, platform 1 is fixed on the workbench of forging press.The end face of platform 1 is circumferentially provided with one group of block 2 that swells, and the radial keyway on the key that this block 2 bottom surface that swells sets firmly and platform 1 end face is slidably matched, thus allows all blocks 2 that swells can synchronously outside or interior movement, and then realizes expanding or shrinking.In the present case, the number of block 2 of swelling described in can be 6 pieces etc.
The outside correspondence of each block 2 that swells is provided with a back-up block 3, and this back-up block 3 is installed on platform 1 end face, and each swelling between block 2 and corresponding back-up block 3 is provided with a return spring 4.One end of described return spring 4 is inserted in the blind hole swollen on block 2 horizontal segment periphery, and the other end of this return spring 4 inserts in blind hole corresponding on described back-up block 3.
As shown in Figure 1, 2, the cross section of the described block 2 that swells is " L " shape structure, the inside and outside surface of its vertical section is cambered outwards arc surface, and the inner surface of the vertical section of all blocks 2 that swell can form the taper seat of a upper big, lower small, the outer surface of the vertical section of all blocks 2 that swell can form a face of cylinder.The block 2 that swells described in every block is provided with a replaceable block 5 that swells, the cross section of this replaceable block 5 that swells is " L " shape structure, fit with the end face of block 2 horizontal segment that swells in the bottom surface of its horizontal segment, and the periphery of horizontal segment is fixed with the vertical section of the block 2 that swells by least two radial screws 6 arranged.In the present case, each replaceable block 5 that swells is fixed by two screws 6 and the block 2 that swells.
The inside and outside surface of the vertical section of the described replaceable block 5 that swells is cambered outwards arc surface, this replaceable block 5 that swells vertically fit by the inner surface of section and the outer surface of the vertical section of the block 2 that swells, and the outer surface of the vertical section of all replaceable blocks 5 that swells can form a face of cylinder, this face of cylinder is used for the inner hole with gear ring.The lower portion of ram of described forging press is up big and down small conus portion, the downward punching press in bottom of this drift allow all swell block 2 and the replaceable block 5 that swells synchronous outwards mobile, thus the internal diameter of the gear ring that swells.When processing the gear ring of different inner diameters specification, only need the replaceable block 5 that swells changing corresponding specification size.
The foregoing is only preferred embodiment of the present invention, is not restriction with the present invention, and all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. gear ring internal diameter swells a frock, and the end face of platform (1) is circumferentially provided with one group of block that swells (2), and the radial keyway on the key that this block bottom surface that swells sets firmly and platform (1) end face is slidably matched, the outside correspondence of block (2) of swelling described in each is provided with a back-up block (3), this back-up block is installed on platform (1) end face, and each block that swells (2) be provided with a return spring (4) between corresponding back-up block (3), it is characterized in that: described in swell the cross section of block (2) for " L " shape structure, in its vertical section, outer surface is cambered outwards arc surface, and the inner surface of the vertical section of all blocks that swells (2) can form one above greatly, lower little taper seat, this taper seat coordinates with the drift on forging press, and the outer surface of the vertical section of all blocks that swells (2) can form a face of cylinder, the block (2) that swells described in every block is provided with a replaceable block that swells (5), the cross section of this replaceable block that swells is " L " shape structure, the bottom surface of its horizontal segment and the end face of the described block that swells (2) horizontal segment are fitted, and the periphery of horizontal segment is fixed with the vertical section of the block (2) that swells by least two radial screws (6) arranged, the inside and outside surface of the vertical section of the described replaceable block that swells (5) is cambered outwards arc surface, this replaceable block that swells (5) the vertically inner surface of section and the outer surface of the vertical section of the described block that swells (2) is fitted, and the outer surface of the vertical section of all replaceable blocks that swells (5) can form a face of cylinder, this face of cylinder is used for the inner hole with gear ring, so that the aperture of the gear ring that swells.
2. gear ring internal diameter according to claim 1 swells frock, it is characterized in that: one end of described return spring (4) is inserted in the blind hole swollen on block (2) horizontal segment periphery, the other end of this return spring (4) inserts in the upper corresponding blind hole of described back-up block (3).
3. gear ring internal diameter according to claim 1 swells frock, it is characterized in that: each described replaceable block that swells (5) is fixed by two screws (6) and the block (2) that swells.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510396914.9A CN105033039A (en) | 2015-07-08 | 2015-07-08 | Gear ring inner diameter enlarging tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510396914.9A CN105033039A (en) | 2015-07-08 | 2015-07-08 | Gear ring inner diameter enlarging tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105033039A true CN105033039A (en) | 2015-11-11 |
Family
ID=54440339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510396914.9A Pending CN105033039A (en) | 2015-07-08 | 2015-07-08 | Gear ring inner diameter enlarging tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105033039A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5135664A (en) * | 1974-09-21 | 1976-03-26 | Kobe Steel Ltd | HOJIRING UNOSEIZOHO |
| JPS6422442A (en) * | 1987-07-20 | 1989-01-25 | Hitachi Ltd | Plastic working equipment for helical gear |
| CN202498139U (en) * | 2012-03-30 | 2012-10-24 | 浙江宏源车轮有限公司 | Rim body expanding and reshaping module |
| CN202845547U (en) * | 2012-09-12 | 2013-04-03 | 上海保捷汽车零部件锻压有限公司 | Deformation strengthening device for motor retaining ring blank |
| CN103447378A (en) * | 2013-09-01 | 2013-12-18 | 贵州航宇科技发展股份有限公司 | Hot bulging forming method for bearing steel rectangular cross-section ring unit |
| CN203635773U (en) * | 2013-12-31 | 2014-06-11 | 蚌埠捷顺机器有限公司 | Tubeless wheel rim shaping mold |
| CN204799759U (en) * | 2015-07-08 | 2015-11-25 | 重庆民发汽车配件有限责任公司 | Ring gear internal diameter frock that inflates |
-
2015
- 2015-07-08 CN CN201510396914.9A patent/CN105033039A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5135664A (en) * | 1974-09-21 | 1976-03-26 | Kobe Steel Ltd | HOJIRING UNOSEIZOHO |
| JPS6422442A (en) * | 1987-07-20 | 1989-01-25 | Hitachi Ltd | Plastic working equipment for helical gear |
| CN202498139U (en) * | 2012-03-30 | 2012-10-24 | 浙江宏源车轮有限公司 | Rim body expanding and reshaping module |
| CN202845547U (en) * | 2012-09-12 | 2013-04-03 | 上海保捷汽车零部件锻压有限公司 | Deformation strengthening device for motor retaining ring blank |
| CN103447378A (en) * | 2013-09-01 | 2013-12-18 | 贵州航宇科技发展股份有限公司 | Hot bulging forming method for bearing steel rectangular cross-section ring unit |
| CN203635773U (en) * | 2013-12-31 | 2014-06-11 | 蚌埠捷顺机器有限公司 | Tubeless wheel rim shaping mold |
| CN204799759U (en) * | 2015-07-08 | 2015-11-25 | 重庆民发汽车配件有限责任公司 | Ring gear internal diameter frock that inflates |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20151111 |