CN105170864A - Overturn forging forming process for bearing ring - Google Patents
Overturn forging forming process for bearing ring Download PDFInfo
- Publication number
- CN105170864A CN105170864A CN201510500031.8A CN201510500031A CN105170864A CN 105170864 A CN105170864 A CN 105170864A CN 201510500031 A CN201510500031 A CN 201510500031A CN 105170864 A CN105170864 A CN 105170864A
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- China
- Prior art keywords
- punching
- bearing ring
- driving gear
- forms
- trip shaft
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Abstract
Provided is an overturn forging forming process for a bearing ring. The process includes the following steps that first, pre-punching forming is conducted, and a bar (A) is punched to form a blank (B); secondly, overturn punching forming is conducted, the blank (B) is clamped by an automatic overturn fixture (E) and overturned by 180 degrees, punching identical to pre-punching forming in the first step is conducted on the other end of the blank (B), and therefore a rough blank (C) is formed; and thirdly, perforating is conducted, the center of the rough blank (C) is perforated, core materials are removed, and a semi-finished bearing ring (D) is formed. By the adoption of the process, punching forming of the ring is more convenient; in addition, the punching frequency can be reduced in a ring punching procedure, and thus punching time can be shortened, and production efficiency is improved; meanwhile, a punch is protected, and the service life of the punch is prolonged.
Description
Technical field:
The present invention relates to the technical field of bearing ring production technology, more specifically to a kind of moulding process of bearing ring upset forging.
Background technology:
Bearing is in mechanical transmission course, play parts that are fixing and reduction load coefficient of friction, is a kind of very important parts in contemporary plant equipment.Existing bearing generally forms by by outer ring, inner ring, steel ball and retainer, the bearing ring such as outer ring, inner ring generally passes through punch forming, it is by drift preliminary punch forming recess on bar, then on the basis of this recess, Multi-step forming is repeatedly carried out shaping, wash away centre bore again, and adopting the needs of this kind of mode to carry out repeatedly punching press repeatedly, drift wearing and tearing are comparatively serious, and service life is shorter.
Summary of the invention:
Object of the present invention is exactly the deficiency for prior art; and provide a kind of bearing ring to overturn the moulding process of forging; its lasso punch forming is more convenient; and a lasso punching course can reduce punching press number of times; thus the time of punching press can be shortened; enhance productivity, protect drift again, what extend drift benefits from the life-span simultaneously.
Technology solution of the present invention is as follows:
A moulding process for bearing ring upset forging, processing step is as follows:
1., pre-punching is shaping, and bar being carried out punch forming is blank;
2., overturn punch forming, adopt automatic overturning clamping apparatus clamping blank also to overturn 180 °, then carry out the shaping identical punching press of first step pre-punching at the other end of blank, thus be shaped to crude green body part;
3., punching, punching is carried out to the center of crude green body part, remove core material, be shaped to lasso semi-finished product.
Described automatic overturning clamping apparatus comprises base plate, there are rotating shaft and trip shaft in the two ends of base plate respectively by bearing hinge connection, rotating shaft is fixedly connected with driving gear mount pad, driving gear mount pad is fixedly connected with driving gear, together with driving gear is meshed with driven gear, driven gear is connected on trip shaft by key, the middle part of trip shaft is inserted with fixed cover, the two ends grafting of fixed cover is fixed with Upper shaft sleeve and Lower shaft sleeve, Upper shaft sleeve and Lower shaft sleeve sleeve are on trip shaft, the head of trip shaft is by being fixedly connected with jaw fixed head, the lower surface of jaw fixed head is provided with two jaws, one end of jaw by hinge on jaw fixed head, two jaws form symmetrical circular arc draw-in groove, the other end of jaw is fixedly connected with contiguous block, stay bolt is bolted with nut through the contiguous block on two jaws, described stay bolt upper sleeve has stage clip, one end of stage clip is pressed against on nut, the other end is pressed against on contiguous block.
Described driving gear comprises the connecting portion of rectangle, and connecting portion forms centre bore, is plugged with driving gear mount pad in the centre bore of connecting portion, and connecting portion and driving gear mount pad adopt interference fit, and the side of block forms the toothed region of circular arc.
Described driven gear comprises the fixed part of rectangle, fixed part side forms the gear part of circular arc, fixed part forms jack, the inwall of jack forms the grooving running through fixed part sidewall, one sidewall of grooving forms bolt through-hole, another sidewall of grooving forms screwed hole, and driven gear is fastened by bolts on trip shaft, the gear part of driven gear forms several lightening holes.
Described trip shaft is plugged with spacer, and spacer is between base plate and driven gear.
Described jaw fixed head is fixedly connected with adjusting bolt, and the tail end of adjusting bolt is resisted against the head of trip shaft.
Beneficial effect of the present invention is:
It adopts technique to make lasso punch forming more convenient, and a lasso punching course can reduce punching press number of times, thus can shorten the time of punching press, enhances productivity, and protect drift again, what extend drift benefits from the life-span simultaneously.
Accompanying drawing illustrates:
Fig. 1 is the schematic diagram of bearing ring moulding process of the present invention;
Fig. 2 is the structural representation of automatic overturning clamping apparatus of the present invention;
Fig. 3 is the structural representation of automatic overturning clamping apparatus driving gear of the present invention;
Fig. 4 is the structural representation of automatic overturning clamping apparatus driven gear of the present invention.
In figure: A, bar; B, blank; C, crude green body part; D, lasso semi-finished product; E, automatic overturning clamping apparatus; 1, base plate; 2, rotating shaft; 3, driving gear mount pad; 4, driving gear; 41, connecting portion; 42, toothed region; 5, trip shaft; 6, driven gear; 61, fixed part; 62, gear part; 63, jack; 64, grooving; 65, bolt through-hole; 66, screwed hole; 67, lightening hole; 7, spacer; 8, fixed cover; 9, Upper shaft sleeve; 10, Lower shaft sleeve; 11, jaw fixed head; 12, jaw; 121, circular arc draw-in groove; 13, bearing pin; 14, adjusting bolt; 15, contiguous block; 16, stay bolt; 17, nut; 18, stage clip.
Detailed description of the invention:
Embodiment: see shown in Fig. 1 to 4, a kind of moulding process of bearing ring upset forging, processing step is as follows:
1., pre-punching is shaping, and bar A being carried out punch forming is blank B;
2., overturn punch forming, adopt automatic overturning clamping apparatus E to clamp blank B and also overturn 180 °, then carry out the shaping identical punching press of first step pre-punching at the other end of blank B, thus be shaped to crude green body part C;
3., punching, punching is carried out to the center of crude green body part C, remove core material, be shaped to lasso semi-finished product D.
Described automatic overturning clamping apparatus E comprises base plate 1, there are rotating shaft 2 and trip shaft 5 in the two ends of base plate 1 respectively by bearing hinge connection, rotating shaft 2 is fixedly connected with driving gear mount pad 3, driving gear mount pad 3 is fixedly connected with driving gear 4, together with driving gear 4 is meshed with driven gear 6, driven gear 6 is connected on trip shaft 5 by key, the middle part of trip shaft 5 is inserted with fixed cover 8, the two ends grafting of fixed cover 8 is fixed with Upper shaft sleeve 9 and Lower shaft sleeve 10, Upper shaft sleeve 9 and Lower shaft sleeve 10 sleeve are on trip shaft 5, the head of trip shaft 5 is by being fixedly connected with jaw fixed head 11, the lower surface of jaw fixed head 11 is provided with two jaws 12, one end of jaw 12 is hinged on jaw fixed head 11 by bearing pin 13, two jaws 12 form symmetrical circular arc draw-in groove 121, the other end of jaw 12 is fixedly connected with contiguous block 15, stay bolt 16 is bolted with nut 17 through the contiguous block 15 on two jaws 12, described stay bolt 16 upper sleeve has stage clip 18, one end of stage clip 18 is pressed against on nut 17, the other end is pressed against on contiguous block 15.
Described driving gear 4 comprises the connecting portion 41 of rectangle, connecting portion 41 forms centre bore, be plugged with driving gear mount pad 3 in the centre bore of connecting portion 41, connecting portion 41 and driving gear mount pad 3 adopt interference fit, and the side of block 41 forms the toothed region 42 of circular arc.
Described driven gear 6 comprises the fixed part 61 of rectangle, fixed part 61 side forms the gear part 62 of circular arc, fixed part 61 forms jack 63, the inwall of jack 63 forms the grooving 64 running through fixed part 61 sidewall, one sidewall of grooving 64 forms bolt through-hole 65, another sidewall of grooving 64 forms screwed hole 66, and driven gear 6 is fastened by bolts on trip shaft 5, the gear part 62 of driven gear 6 forms several lightening holes 67.
Described trip shaft 5 is plugged with spacer 7, and spacer 7 is between base plate 1 and driven gear 6.
Described jaw fixed head 11 is fixedly connected with adjusting bolt 14, and the tail end of adjusting bolt 14 is resisted against the head of trip shaft 5.
Operation principle: the present invention forges punch forming process at a high speed at existing lasso, original one side punch forming rectification is washed into type for two-sided punching press by technique, and in highly forging, the frequency of punching press is higher, manual upset stamped workpieces cannot meet the frequency of highly forging punching press, the key point that its two-sided punching press is washed into type is upset, and the present invention proposes two-sided punching press at this point and rushes moulding process and the fixture that can realize automatic turning workpiece, and can meet the frequency of highly forging punching press;
By jaw 12 holding workpiece when its automatic overturning clamping apparatus E works, after punching press once, it drives driving gear 4 initiatively by rotating shaft 2, thus drive driven gear 6 to rotate to order about trip shaft 5 and rotate, realizing jaw 12 rotates workpiece, overturn 180 °, and driving gear 4 and driven gear 6 are not all complete, its driving gear 4 rotational realizes engaging with driven gear 6 in driving gear 4 one end time, depart from driven gear 6 in the time of one end, then engage by with driven gear 6, thus realize upset 180 °, stop, realizing upset 180 °, thus meet the frequency of highly forging punching press.
Claims (6)
1. a moulding process for bearing ring upset forging, processing step is as follows:
1., pre-punching is shaping, and bar (A) being carried out punch forming is blank (B);
2., punch forming is overturn, automatic overturning clamping apparatus (E) is adopted to clamp blank (B) and overturn 180 °, then carry out the shaping identical punching press of first step pre-punching at the other end of blank (B), thus be shaped to crude green body part (C);
3., punching, punching is carried out to the center of crude green body part (C), remove core material, be shaped to lasso semi-finished product (D).
2. the moulding process of a kind of bearing ring upset forging according to claim 1, it is characterized in that: described automatic overturning clamping apparatus (E) comprises base plate (1), there are rotating shaft (2) and trip shaft (5) in the two ends of base plate (1) respectively by bearing hinge connection, rotating shaft (2) is fixedly connected with driving gear mount pad (3), driving gear mount pad (3) is fixedly connected with driving gear (4), driving gear (4) and driven gear (6) are meshed together, driven gear (6) is connected on trip shaft (5) by key, the middle part of trip shaft (5) is inserted with fixed cover (8), the two ends grafting of fixed cover (8) is fixed with Upper shaft sleeve (9) and Lower shaft sleeve (10), Upper shaft sleeve (9) and Lower shaft sleeve (10) sleeve are on trip shaft (5), the head of trip shaft (5) is by being fixedly connected with jaw fixed head (11), the lower surface of jaw fixed head (11) is provided with two jaws (12), one end of jaw (12) is hinged on jaw fixed head (11) by bearing pin (13), two jaws (12) form symmetrical circular arc draw-in groove (121), the other end of jaw (12) is fixedly connected with contiguous block (15), stay bolt (16) is bolted with nut (17) through the contiguous block (15) on two jaws (12), described stay bolt (16) upper sleeve has stage clip (18), one end of stage clip (18) is pressed against on nut (17), the other end is pressed against on contiguous block (15).
3. the moulding process of a kind of bearing ring upset forging according to claim 2, it is characterized in that: described driving gear (4) comprises the connecting portion (41) of rectangle, (41) form centre bore to connecting portion, driving gear mount pad (3) is plugged with in the centre bore of connecting portion (41), connecting portion (41) and driving gear mount pad (3) adopt interference fit, and the side of block (41) forms the toothed region (42) of circular arc.
4. the moulding process of a kind of bearing ring upset forging according to claim 2, it is characterized in that: described driven gear (6) comprises the fixed part (61) of rectangle, fixed part (61) side forms the gear part (62) of circular arc, fixed part (61) forms jack (63), the inwall of jack (63) forms the grooving (64) running through fixed part (61) sidewall, one sidewall of grooving (64) forms bolt through-hole (65), another sidewall of grooving (64) forms screwed hole (66), driven gear (6) is fastened by bolts on trip shaft (5), the gear part (62) of driven gear (6) forms several lightening holes (67).
5. the moulding process of a kind of bearing ring upset forging according to claim 2, it is characterized in that: described trip shaft (5) is plugged with spacer (7), and spacer (7) is positioned between base plate (1) and driven gear (6).
6. the moulding process of a kind of bearing ring upset forging according to claim 2, it is characterized in that: described jaw fixed head (11) is fixedly connected with adjusting bolt (14), the tail end of adjusting bolt (14) is resisted against the head of trip shaft (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510500031.8A CN105170864A (en) | 2015-08-14 | 2015-08-14 | Overturn forging forming process for bearing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510500031.8A CN105170864A (en) | 2015-08-14 | 2015-08-14 | Overturn forging forming process for bearing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105170864A true CN105170864A (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510500031.8A Pending CN105170864A (en) | 2015-08-14 | 2015-08-14 | Overturn forging forming process for bearing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105170864A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105817492A (en) * | 2016-05-27 | 2016-08-03 | 台州钻煌汽车零部件有限公司 | Cold extrusion no-joint-line starlike sleeve production die and machining method |
| CN112024806A (en) * | 2020-06-10 | 2020-12-04 | 黄石哈特贝尔精密锻造有限公司 | Plane thrust ball bearing ring integrated forging forming die |
| CN114309422A (en) * | 2021-12-20 | 2022-04-12 | 鲁嘉栋 | Bearing ring forges mould |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3962899A (en) * | 1975-03-26 | 1976-06-15 | Textron, Inc. | Method and apparatus for making an eccentric locking collar |
| CN1135944A (en) * | 1996-02-13 | 1996-11-20 | 张荣发 | Forging process for inner and outer rings of conical bearings |
| JP2012066279A (en) * | 2010-09-24 | 2012-04-05 | Kobe Steel Ltd | Method for producing bearing race |
| CN102513784A (en) * | 2011-12-01 | 2012-06-27 | 西安建筑科技大学 | Process for precisely forming inner ferrule blank and outer ferrule blank of bearing |
| CN103551822A (en) * | 2013-10-29 | 2014-02-05 | 临清市中航精工轴承有限公司 | Full-automatic bearing ring forging line |
| CN203817862U (en) * | 2014-01-14 | 2014-09-10 | 第一拖拉机股份有限公司 | Tractor speed changing box assembling turnover clamp |
| CN204365855U (en) * | 2015-01-07 | 2015-06-03 | 安徽江淮汽车股份有限公司 | Blanking die produces servicing unit |
-
2015
- 2015-08-14 CN CN201510500031.8A patent/CN105170864A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3962899A (en) * | 1975-03-26 | 1976-06-15 | Textron, Inc. | Method and apparatus for making an eccentric locking collar |
| CN1135944A (en) * | 1996-02-13 | 1996-11-20 | 张荣发 | Forging process for inner and outer rings of conical bearings |
| JP2012066279A (en) * | 2010-09-24 | 2012-04-05 | Kobe Steel Ltd | Method for producing bearing race |
| CN102513784A (en) * | 2011-12-01 | 2012-06-27 | 西安建筑科技大学 | Process for precisely forming inner ferrule blank and outer ferrule blank of bearing |
| CN103551822A (en) * | 2013-10-29 | 2014-02-05 | 临清市中航精工轴承有限公司 | Full-automatic bearing ring forging line |
| CN203817862U (en) * | 2014-01-14 | 2014-09-10 | 第一拖拉机股份有限公司 | Tractor speed changing box assembling turnover clamp |
| CN204365855U (en) * | 2015-01-07 | 2015-06-03 | 安徽江淮汽车股份有限公司 | Blanking die produces servicing unit |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105817492A (en) * | 2016-05-27 | 2016-08-03 | 台州钻煌汽车零部件有限公司 | Cold extrusion no-joint-line starlike sleeve production die and machining method |
| CN105817492B (en) * | 2016-05-27 | 2018-12-21 | 台州钻煌汽车零部件有限公司 | A kind of mold and its processing method of the cold extrusion production without spue line inner race |
| CN112024806A (en) * | 2020-06-10 | 2020-12-04 | 黄石哈特贝尔精密锻造有限公司 | Plane thrust ball bearing ring integrated forging forming die |
| CN114309422A (en) * | 2021-12-20 | 2022-04-12 | 鲁嘉栋 | Bearing ring forges mould |
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| PB01 | Publication | ||
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Application publication date: 20151223 |