CN205253732U - Periodic cold pilger mill drive mechanism - Google Patents
Periodic cold pilger mill drive mechanism Download PDFInfo
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- CN205253732U CN205253732U CN201520975392.3U CN201520975392U CN205253732U CN 205253732 U CN205253732 U CN 205253732U CN 201520975392 U CN201520975392 U CN 201520975392U CN 205253732 U CN205253732 U CN 205253732U
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- connecting rod
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Abstract
The utility model provides a periodic cold pilger mill's motivation is constructed, belongs to cold pilger mill technical field, and the characteristic is that the both legs connecting rod is articulated each other with all the other six roots of sensation connecting rods, constitutes seven link mechanism, and seven link mechanism are articulated each other with piston rod and rolling -mill housing in the servo pneumatic cylinder, make concertina movement through servo hydraulic cylinder drive piston rod and drive the motion of seven link mechanism to drive the rolling -mill housing and make reciprocating motion, realize rolling job requirement. The advantage does: 1. It is steady to work, simple structure and weight loss, greatly reduced investment cost, 2. The almost inertial force that produces of complete equilibrium connecting rod and frame and the availability height of inertial moment and electric energy, 3. Applicable in super -huge, large -scale, medium -sized and small -size periodic cold pilger mill.
Description
Technical field
The utility model belongs to cold pilger mill technical field, is specifically related to a kind of cold-rolling pilger mill transmission mechanism.
Background technology
China's seamless steel pipe industry is through the develop rapidly of more than ten years, become the maximum seamless steel tube production state in the whole world andCountry of consumption, annual production accounts for global proportion and is stabilized in 70% left and right always. So far, the built all kinds of advanced seamless steel pipes of ChinaOver thousands of of production line, aggregated capacity reaches 4,500 ten thousand tons, and wherein cold rolling seamless steel is taking cold-rolling pilger mill as main, and annualCold-rolling pilger mill unit quantity constantly increases progressively with larger speed.
Domestic and international most of cold-rolling pilger mill main drive gear is all to adopt toggle at present, fans by bandThe toggle of shape balance weight adds that reciprocating weight carrys out inertia force and the crank that balance frame produces verticallyMoment of inertia on axle, the shortcoming of this balanced controls is complicated structures, and fan-shaped balance weight and heavy is installed and inconvenient maintenance70 percent left and right that the weight of hammer accounts for whole milling train weight, power consumption is large and cost is high; And this balanced controls needBuild a dark melt pit, expensive and civil engineering difficulty is larger.
Another kind of balanced controls adopt planetary gear crank driving mechanism to drive and balance inertial force and the moment of inertia, this machineThe shortcoming of structure is that balancing connector can only be designed to one, thereby weight is limited, and the inertia force that can balance is also very limited, because ofAnd the small-sized and small-sized cold pilger mill of the spy that can only be applicable to work housing very light in weight, nonetheless, the weight of balanced controls is also60 50 percent to percent left and right that accounts for whole milling train weight, cost is larger.
Summary of the invention
The purpose of this utility model is to provide a kind of cold-rolling pilger mill transmission mechanism, can effectively overcome prior artThe shortcoming existing.
The utility model is achieved in that as shown in Fig. 1,3,5, it is characterized in that servo-hydraulic piston cylinder 2 is by bearing pin 4Be hinged with left right ear base 3,3 ＇ that are arranged on casing 1, first through hole 601 on the top of piston rod 5 and both legs connecting rod 6 topsBe hinged, the left and right end portions that is arranged on the back shaft 7 in both legs connecting rod 6 top the second through holes 602 be bearing in Y-axis bearing 8,In 8 ＇, Y-axis bearing 8,8 ＇ are separately fixed at the top of casing 1; As shown in Figure 4,5, the middle and lower part of both legs connecting rod 6 left and right legsBe shaped with respectively left three, left four-way hole 603,604 and right three, right four-way hole 603 ＇, 604 ＇, first, the left end of the 5th connecting rod 15,17Be hinged with a left side three for both legs connecting rod 6 middle and lower parts, left four-way hole 603,604 respectively, second, the left end of the 6th connecting rod 9,11 respectivelyBe hinged with both legs connecting rod 6 right sides, middle and lower part three, right four-way hole 603 ＇, 604 ＇, the left end of the 3rd, the 4th connecting rod 16,10 respectively withThe right-hand member of first, second connecting rod 15,9 is hinged, both legs connecting rod 6 and first, second, third, fourth, the 5th, the 6th connecting rod 15,9,16,10,17,11 form seven-link assembly mechanism; Three, the right-hand member of the 4th connecting rod 16,10 and the 5th, the 6th connecting rod 17,11 respectivelyBe hinged with rolling-mill housing 13, rolling-mill housing 13 is arranged on sliding rail 12.
Both legs connecting rod 6 is from top to down: the centre-to-centre spacing of first, second through hole 601,602 is a, the second through hole 602 with left three,The centre-to-centre spacing of right three through hole 603,603 ＇ is b, in a left side three, right three through hole 603,603 ＇ and a left side four, right four-way hole 604,604 ＇The heart is apart from being respectively c, and the centre-to-centre spacing of first connecting rod 15 and second connecting rod 9 two ends pin joints is respectively d, and third connecting rod 16 and the 4th connectsThe centre-to-centre spacing of bar 10 two ends pin joints is e, and the centre-to-centre spacing of the 5th connecting rod 17 and the 6th connecting rod 11 two ends pin joints is g, they itBetween relation be a<b, d<e, and d+e>G, first with third connecting rod and second and the angle of the 4th connecting rod be α, 135 ° of < α <180°。
The utility model advantage and good effect are:
(1) mode that adopts servo hydraulic cylinder to drive, not only stable working, and adjust by the real-time feedback signal of telecommunicationWhole oil pressure, inertia force and moment of inertia that almost complete equipilibrium connecting rod and frame produce, this balance mode does not need to joinStandby balance weight and weight, saved material greatly, alleviated the weight of whole milling train, and the structure of milling train is become moreSimply, install and keep in repair more convenient, and the expense that can save foundation of civil work, reduces overall cost of investment greatly.
(2) the utility model adopts inertia force and the inertia force that servo hydraulic cylinder driving and balanced connecting rod and frame produceSquare, has eliminated the unloaded power consumption in equilibrium process by balance weight and weight, and the effective rate of utilization of electric energy is high, can save manyElectricity charge spending.
(3) structure of the present utility model and technical scheme are cold rolling applicable to super-huge, large-scale, medium-sized and small-sized periodicPipe machine.
Brief description of the drawings
Fig. 1 is the utility model structure front view;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the A-A cutaway view of Fig. 1;
Fig. 4 is the schematic diagram of seven-link assembly mechanism annexation;
Fig. 5 is both legs connecting rod schematic diagram;
Fig. 6 is the structural representation of rolling-mill housing in the time of front extreme position;
Fig. 7 is the structural representation of rolling-mill housing in the time of rear extreme position;
In figure: 1-casing; 2-servo hydraulic cylinder; 3,3 ＇-left and right ear seat; 4-bearing pin; 5-piston rod; 6-both legsConnecting rod; 7-bolster; 8,8 ＇-left and right bearing block; 9-second connecting rod; The 10-the four connecting rod; The 11-the six connecting rod; 12-slidingMoving track; 13-rolling-mill housing; 14-roll; 15-first connecting rod; 16-third connecting rod; The 17-the five connecting rod; 601-the firstThrough hole; The 602-the second through hole; 603,604-left side three, left four-way hole; 603 ＇, 604 ＇-right sides three, right four-way hole
Detailed description of the invention
As shown in Figure 1, in the time that rolling need of work starts, first start servo hydraulic cylinder 2, its piston rod 5 is made flexible fortuneMoving, drive both legs connecting rod 6 to swing around back shaft 7 centers, by by both legs connecting rod 6 and first, second, third, fourth, the 5th,The seven-link assembly mechanism kinematic that the 6th connecting rod 15,9,16,10,17,11 forms, drives rolling-mill housing 13 reciprocating, and realization is rolledJob requirement processed.
In the operation of rolling, when both legs connecting rod 6 is during in vertical position, rolling-mill housing 13 mediates, and works as frameThe pivot angle of getting both legs connecting rod 6 while being between centre position and rear extreme position is+θ, when frame is in centre position and the front utmost pointThe pivot angle of getting both legs connecting rod 6 between extreme position time is-θ that the pivot angle in the time that frame is in rear extreme position and front extreme position dividesWei θmaxWith-θmax, the stroke of piston rod 5 horizontal directions of servo hydraulic cylinder 2 is ± X1, rolling-mill housing stroke is ± X2，|X2|>|X1|, frame stroke X2And second and the pivot angle of the 6th connecting rod angle α and both legs connecting rod 6 and each length of connecting rod between just likeShiShimonoseki is: frame stroke: | X2|＝(b+c)sin|θmax|
Angle:
Claims (2)
1. a cold-rolling pilger mill transmission mechanism, is characterized in that servo-hydraulic piston cylinder (2) by bearing pin (4) and is arranged onLeft right ear base (3,3 ＇) on casing (1) is hinged, first through hole on the top of piston rod (5) and both legs connecting rod (6) top(601) be hinged, the left and right end portions that is arranged on the back shaft (7) in both legs connecting rod (6) top the second through hole (602) is bearing in a left sideIn right bearing seat (8,8 ＇), Y-axis bearing (8,8 ＇) is separately fixed at the top of casing (1); Both legs connecting rod (6) left and right legThat middle and lower part is shaped with is respectively left three, left four-way hole (603,604) and the right side three, right four-way hole (603 ＇, 604 ＇), and first, the 5th connecting rodThe left end of (15,17) is hinged with a left side three for both legs connecting rod (6) middle and lower part, left four-way hole (603,604) respectively, and second, the 6thThe left end of connecting rod (9,11) is hinged with both legs connecting rod (6) right side, middle and lower part three, right four-way hole (603 ＇, 604 ＇) respectively, and the 3rd,The left end of four connecting rods (16,10) is hinged with the right-hand member of first, second connecting rod (15,9) respectively, both legs connecting rod (6) and first,Two, the 3rd, the 4th, the 5th, the 6th connecting rod (15,9,16,10,17,11) forms seven-link assembly mechanism; Three, the 4th connecting rod (16,10) the and five, the right-hand member of the 6th connecting rod (17,11) is hinged with rolling-mill housing (13) respectively, and rolling-mill housing (13) is arranged on cunningOn moving track (12).
2. cold-rolling pilger mill transmission mechanism as claimed in claim 1, is characterized in that both legs connecting rod (6) from top to down:The centre-to-centre spacing of first, second through hole (601,602) is a, in the second through hole (602) and a left side three, right three through holes (603,603 ＇)The heart is apart from being b, and a left side three, right three through holes (603,603 ＇) are respectively c, first with the centre-to-centre spacing of a left side four, right four-way hole (604,604 ＇)The centre-to-centre spacing of connecting rod (15) and second connecting rod (9) two ends pin joint is respectively d, third connecting rod (16) and the 4th connecting rod (10) two endsThe centre-to-centre spacing of pin joint is e, and the centre-to-centre spacing of the 5th connecting rod (17) and the 6th connecting rod (11) two ends pin joint is g, between themRelation is a<b, d<e, and d+e>G, first with third connecting rod and second and the angle of the 4th connecting rod be α, 135 ° of < α <180°。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520975392.3U CN205253732U (en) | 2015-11-30 | 2015-11-30 | Periodic cold pilger mill drive mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520975392.3U CN205253732U (en) | 2015-11-30 | 2015-11-30 | Periodic cold pilger mill drive mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205253732U true CN205253732U (en) | 2016-05-25 |
Family
ID=55995283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520975392.3U Withdrawn - After Issue CN205253732U (en) | 2015-11-30 | 2015-11-30 | Periodic cold pilger mill drive mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205253732U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105382033A (en) * | 2015-11-30 | 2016-03-09 | 太原科技大学 | Transmission mechanism of periodical cold-rolling pilger mill |
| CN112222192A (en) * | 2020-09-19 | 2021-01-15 | 太原科技大学 | High-rigidity four-roller rolling mill for metal seamless pipes |
| TWI763268B (en) * | 2020-02-13 | 2022-05-01 | 德商馬修斯國際有限責任公司 | Torsion arm for intercepting drive torque and roll arrangement with torsion arm |
-
2015
- 2015-11-30 CN CN201520975392.3U patent/CN205253732U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105382033A (en) * | 2015-11-30 | 2016-03-09 | 太原科技大学 | Transmission mechanism of periodical cold-rolling pilger mill |
| TWI763268B (en) * | 2020-02-13 | 2022-05-01 | 德商馬修斯國際有限責任公司 | Torsion arm for intercepting drive torque and roll arrangement with torsion arm |
| CN112222192A (en) * | 2020-09-19 | 2021-01-15 | 太原科技大学 | High-rigidity four-roller rolling mill for metal seamless pipes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160525 Effective date of abandoning: 20170613 |
|
| AV01 | Patent right actively abandoned |