CN202087578U - Dual-line cold rolling pipe machine - Google Patents
Dual-line cold rolling pipe machine Download PDFInfo
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- CN202087578U CN202087578U CN2010206624928U CN201020662492U CN202087578U CN 202087578 U CN202087578 U CN 202087578U CN 2010206624928 U CN2010206624928 U CN 2010206624928U CN 201020662492 U CN201020662492 U CN 201020662492U CN 202087578 U CN202087578 U CN 202087578U
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Abstract
The utility model relates to a dual-line cold rolling pipe machine, which belongs to the technical field of cold rolling pipe machines and comprises a machine frame, two machine heads and a motor, wherein the two machine heads are used for steel pipe cold rolling, guide rails are arranged on the machine frame, the machine heads are arranged on the guide rails, the motor is connected with the machine heads through a transmission mechanism which can convert rotation output by the motor into the reciprocating motion between the machine heads and the guide rails, the guide rails are in two groups, in addition, the two groups of guide rails are in parallel arrangement, and the two machine heads are in parallel arrangement. The efficiency of the dual-line cold rolling pipe machine is improved by two times through being compared with that of an ordinary cold rolling pipe machine, in addition, the whole machine only needs one person to operate like an ordinary machine, and the labor cost can not be increased. The two machine heads can be driven by one motor, and the cost and the space are saved. After the dual-line cold rolling pipe machine is adopted, the use efficiency of a factory building can be greatly improved.
Description
Technical field
The utility model belongs to the cold pilger mill field, and a kind of specifically can have two tube rolling lines and two two-wire cold pilger mills that the tube rolling line can be worked simultaneously.
Background technology
Along with rapid economy development, cold pilger mill has obtained extensive use in China, and nowadays seamless steel pipe has been applied in the every field of national economy, and is also increasing to its demand; Originally the seamless steel pipe that adopts cold-drawing technology to produce is substituted by cold-rolling process now gradually, and still, there are characteristics such as efficient is low, the specific yield energy consumption big, poor product quality in the overwhelming majority in the present homemade cold pilger mill.Exploitation is efficient, low energy consumption, the high-precision cold pilger mill important directions of development at present beyond doubt.
The document of number of patent application: CN94115504.8 discloses a kind of cold pilger mill of arranging two relative heads on same group of guide rail of milling train, dress is shaping roll in one, adorn planishing roll in one, two breaker rolls adopt same plug to be rolled, shaping roll is mainly born the tube reducing of metal tube and is subtracted wall, planishing roll is born the small part tube reducing, is subtracted wall, bears sizing simultaneously, decides wall and finish rolling, the finished size precision height that processes.
The document of number of patent application: CN200520058616.0 discloses a kind of cold pilger mill that is mutually 120 ° of layout rolls by three that adopted, it is low because of being out of shape the inhomogeneous machining accuracy that produces by the tube rolling material in the operation of rolling to have overcome two rolling rollers, the deficiency that surface roughness is big.
Though above-mentioned two patents promote to some extent to the quality aspect of cold rolled tube, they all can only process a steel pipe simultaneously, and the working (machining) efficiency aspect of cold pilger mill is not had too big lifting.
Summary of the invention
The utility model provides the two-wire cold pilger mill that can process two steel pipes simultaneously at deficiency of the prior art.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals: the two-wire cold pilger mill, comprise frame, two head and motors that are used for cold tube rolling, described frame is provided with guide rail, described head is arranged on the described guide rail, described motor can become described head to the rotation of motor output by one and link to each other with head with reciprocating transmission mechanism between the described guide rail, described guide rail has two groups, and described two groups of guide rails are arranged in parallel, and described two heads are arranged in parallel.Two heads and two groups of guide rails are arranged in parallel, two tube rolling lines are just arranged on the machine, article two, the tube rolling line is worked simultaneously, a machine just can be processed two steel pipes simultaneously, efficient improves twice than general cold pilger mill, and people's operation of entire machine and general the same needs of machine, can not increase human cost, two heads can have been saved cost and space by a driven by motor.General machine will reach the efficient the same with it, need two, and the floor space of two machines adds that operations necessary space homalographic is more than the twice of this machine floor space, so adopt after the two-wire cold pilger mill, can improve the service efficiency of factory building greatly.
Phase difference when described two heads are worked is 90 °, on a head left side reciprocating the time, the stroke that has only half is in acting, second half stroke does not do work, very not steady during therefore general cold pilger mill machine operation, and adopt two phase differences is that 90 ° head is worked simultaneously, all the time doing work during machine operation, according to the mechanical balance principle, its balance of shaking force effect can reach more than 80%, the speed of cold pilger mill can improve greatly like this, and its speed can improve more than 30% at least.Machine operation simultaneously is more steady, and the rolling accuracy of comparing three rollers, 40 single line cold pilger mills is higher, and the end product quality of seamless steel pipe is higher.In addition, the energy consumption of its specific yield also reduces greatly, and in today that whole world energy problem becomes increasingly conspicuous, the energy-saving and emission-reduction performance of product more seems and becomes more and more important.
Be provided with three rolls that are mutually 120 ° in the described head.Adopt three rolls, the machining accuracy of machine improves greatly.
A kind of structure of concrete transmission mechanism is, described transmission mechanism comprises rotating shaft, described driven by motor rotating shaft rotation, rotating shaft is provided with two driven gears, one end of two connecting rods is hinged on respectively on the end face of two driven gears apart from a distance, driven gear end face center, the other end of connecting rod is hinged on swing arm one end, and the centre of swing arm is hinged on the frame, and the other end of swing arm links to each other with head by push rod.When driven gear rotates, the drivening rod motion, connecting rod drives the swing arm motion, and swing arm drives pushrod movement, and push rod promotes head and moves on guide rail.
The mechanism of 90 ° of phase differences is during two head work of specific implementation, and a described wherein connecting rod and one of them gear face hinged place central point are first nodal point, and the line between first nodal point and this gear face central point is first line; Described another root connecting rod and another gear face hinged place central point are second central point, and the line between second central point and this gear face central point is second line; The angle that described first line, second line project on arbitrary gear face is 90 °.
The beneficial effects of the utility model are:
1, two heads and two guide rails are arranged in parallel, two tube rolling lines are just arranged on the machine, article two, the tube rolling line is worked simultaneously, a machine just can be processed two steel pipes simultaneously, efficient is the twice of general cold pilger mill, and entire machine and people's operation of general the same needs of machine, can not increase human cost, two heads can have been saved cost and space by a driven by motor.
2, general machine will reach the efficient the same with it, need two, and the floor space of two machines adds that operations necessary space homalographic is more than the twice of this machine floor space, so adopt after the two-wire cold pilger mill, can improve the service efficiency of factory building greatly.
3, adopting two phase differences is that 90 ° head is worked simultaneously, and all the time in acting, according to the mechanical balance principle, its balance of shaking force effect can reach more than 80% during machine operation, and the speed of cold pilger mill can improve greatly like this.
Description of drawings
Fig. 1 is a schematic perspective view of the present utility model;
Fig. 2 removes the later schematic diagram of frame for Fig. 1;
Fig. 3 is that described first line, second line project to the schematic diagram on the gear face;
Fig. 4 is the floor map of described head.
Among the figure: 1. frame, 21,22. heads, 31,32. guide rails, 41,42. push rods, 51,52. swing arms, 61,62. connecting rods, 7. rotating shaft, 71,72. driven gears, 8. power transmission shaft first, 81,82. driving gears, 83. the bevel gear first, 84. shaft couplings, 9. power transmission shaft second, 91. bevel gear second, 10. motors.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:
Referring to Fig. 1, the two-wire cold pilger mill, comprise frame 1, two heads that are used for cold tube rolling that are arranged in parallel 21,22 and motors 10, described frame 1 is provided with the guide rail 31,32 that twice are arranged in parallel, described head 21 is arranged on the described guide rail 31, and described head 22 is arranged on the described guide rail 32.
Referring to Fig. 2, motor 10 links to each other with power transmission shaft first 8 by shaft coupling 84, and power transmission shaft first 8 two ends are provided with driving gear 81,82, and the centre position is provided with bevel gear first 83.Driving gear 81,82 meshes with driven gear 71,72 respectively, driven gear 71,72 is fixed in the rotating shaft 7, one end of two connecting rods 61,62 is hinged on respectively on the end face of two driven gears 71,72 apart from a distance, end face center, the other end of connecting rod 61,62 is hinged on swing arm 51,52 1 ends, the centre of swing arm 51,52 is hinged on the frame 1, and the other end of swing arm 51,52 links to each other with head 21,22. by push rod 41,42..Bevel gear first 83 and bevel gear second 91 are meshed, and bevel gear second 91 is fixed on power transmission shaft second 9 one ends, and the other end of power transmission shaft second 9 stretches out outside the frame.
Referring to Fig. 3, establish connecting rod 61 and wherein driven gear 71 end face hinged place central points be first nodal point, the line between first nodal point and this gear face central point is first line 73; Connecting rod 62 is second central point with driven gear 72 end face hinged place central points, and the line between second central point and this gear face central point is second line 74.
The angle that described first line 73, second line 74 project on driven gear 71 end faces is 90 °.
Referring to Fig. 4, be provided with three rolls 2 that are mutually 120 ° in the described head 21.
Claims (5)
1. two-wire cold pilger mill, comprise frame (1), two heads (21 that are used for cold tube rolling, 22) and motor (10), described frame (1) is provided with guide rail, described motor (10) can become described head (21 to the rotation of motor output by one, 22) with described guide rail between reciprocating transmission mechanism link to each other with head, it is characterized in that: described guide rail (31,32) there are two groups, described head (21,22) be separately positioned on described guide rail (31,32) on, and described two groups of guide rails (31,32) be arranged in parallel described two heads (21,22) be arranged in parallel.
2. two-wire cold pilger mill according to claim 1 is characterized in that: the phase difference during described two heads (21,22) work is 90 °.
3. two-wire cold pilger mill according to claim 1 is characterized in that: described head is provided with three rolls that are mutually 120 ° in (21,22).
4. according to claim 1,2 or 3 described two-wire cold pilger mills, it is characterized in that: described transmission mechanism comprises rotating shaft (7), described motor (10) drives rotating shaft (7) rotation, rotating shaft (7) is provided with two driven gears (71,72), two connecting rods (61,62) a end is hinged on two driven gears (71 respectively, 72) on the end face apart from driven gear (71,72) a distance, end face center, connecting rod (61,62) the other end is hinged on swing arm (51,52) on the end, swing arm (51,52) centre is hinged on the frame (1), swing arm (51,52) the other end is by push rod (41,42) and head (21,22) link to each other.
5. two-wire cold pilger mill according to claim 4 is characterized in that:
A described wherein connecting rod (61) and one of them gear (71) end face hinged place central point are first nodal point, and the line between first nodal point and this gear face central point is first line (73);
Described another root connecting rod (62) is second central point with another gear (72) end face hinged place central point, and the line between second central point and this gear face central point is second line (74);
The angle that described first line (73), second line (74) project on any one gear face is 90 °.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010206624928U CN202087578U (en) | 2010-12-09 | 2010-12-09 | Dual-line cold rolling pipe machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010206624928U CN202087578U (en) | 2010-12-09 | 2010-12-09 | Dual-line cold rolling pipe machine |
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CN202087578U true CN202087578U (en) | 2011-12-28 |
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CN2010206624928U Expired - Fee Related CN202087578U (en) | 2010-12-09 | 2010-12-09 | Dual-line cold rolling pipe machine |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103433293A (en) * | 2013-08-23 | 2013-12-11 | 宁波东重机械有限公司 | Double-line cold pilgering mill |
CN108607883A (en) * | 2018-06-26 | 2018-10-02 | 中国重型机械研究院股份公司 | A kind of two-wire multi-roll cold reducing mill and cold reduction of tubes method |
CN112222191A (en) * | 2020-09-19 | 2021-01-15 | 太原科技大学 | Six-roller cold rolling mill for difficult-to-deform metal seamless pipe |
CN114042758A (en) * | 2021-12-27 | 2022-02-15 | 中国重型机械研究院股份公司 | Buffer damping device of crankshaft transmission system of cold pilger mill |
-
2010
- 2010-12-09 CN CN2010206624928U patent/CN202087578U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103433293A (en) * | 2013-08-23 | 2013-12-11 | 宁波东重机械有限公司 | Double-line cold pilgering mill |
CN103433293B (en) * | 2013-08-23 | 2016-10-05 | 宁波东重机械有限公司 | Double-line cold rolled pipe |
CN108607883A (en) * | 2018-06-26 | 2018-10-02 | 中国重型机械研究院股份公司 | A kind of two-wire multi-roll cold reducing mill and cold reduction of tubes method |
CN112222191A (en) * | 2020-09-19 | 2021-01-15 | 太原科技大学 | Six-roller cold rolling mill for difficult-to-deform metal seamless pipe |
CN114042758A (en) * | 2021-12-27 | 2022-02-15 | 中国重型机械研究院股份公司 | Buffer damping device of crankshaft transmission system of cold pilger mill |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20181209 |
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CF01 | Termination of patent right due to non-payment of annual fee |