CN103722039B - A kind of large-tonnage stress balance formula drawing machine - Google Patents
A kind of large-tonnage stress balance formula drawing machine Download PDFInfo
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- CN103722039B CN103722039B CN201310743894.9A CN201310743894A CN103722039B CN 103722039 B CN103722039 B CN 103722039B CN 201310743894 A CN201310743894 A CN 201310743894A CN 103722039 B CN103722039 B CN 103722039B
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- China
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- drawing machine
- guide rail
- stretching head
- machine guide
- oil cylinder
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- 239000004411 aluminium Substances 0.000 claims description 21
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 21
- 229910052782 aluminium Inorganic materials 0.000 claims description 21
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 10
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 230000003245 working effect Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 22
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000010721 machine oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010621 bar drawing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The present invention discloses a kind of large-tonnage stress balance formula drawing machine, comprise guide rail, the mobile stretching head being arranged on guide rail and fixing stretching head, the both sides of described fixing stretching head respectively piston rod with two oil cylinders be connected, the cylinder body of oil cylinder is connected with ground, the both sides of described mobile stretching head are connected to the drawing machine guide rail being parallel to guide rail and placing, drawing machine guide rail is interval with multiple pilot hole, mobile stretching head is arranged on drawing machine guide rail by locking pin with coordinating of pilot hole, one end of described drawing machine guide rail is connected with the cylinder body of oil cylinder, ground is provided with bracing frame, strongback and bracing frame are for being slidably connected. when cylinder body and the drawing machine guide rail of oil cylinder after force balance is in free state, therefore be there is not drawing force in ground, reduce the requirement to ground, when after force balance, the piston rod of oil cylinder is in free state, it is to increase work-ing life of cylinder body inner seal liner and oil cylinder itself.
Description
Technical field
The present invention relates to a kind of aluminium section bar processing units, it is specifically related to a kind of large-tonnage stress balance formula drawing machine.
Background technology
After aluminium section bar production process is extruded aluminium section bar by extrusion machine from mould, it is necessary to by drawing machine, aluminium section bar is being stretched. Along with the fast development of China's aluminium section bar production industry, the weight of aluminium section bar and size are all increasing, and required drawing force is also increasing, therefore that the requirement of aluminium section bar drawing machine is also more and more higher.
Existing drawing machine comprises a mobile stretching head, a fixing stretching head, drive the driving mechanism of stretching head motion, described fixing stretching head is connected with ground by interconnecting piece, described fixing stretching head is arranged on a guide rail, driving mechanism is oil cylinder, one end of oil cylinder is connected on fixing stretching head, and the other end is connected on ground. In the process that aluminium section bar is stretched, its reactive force stretched is applied on ground by interconnecting piece, therefore that the concrete structure of ground itself and the requirement of strength that is connected with ground is higher, and after a long time use, its link position easily deforms, and affects the use of equipment. Particularly drawing force is greater than the large-tonnage drawing machine of more than 400T, and it is bigger by power, and foundation requirement is higher.
Summary of the invention
In order to overcome the deficiencies in the prior art, the present invention provides a kind of large-tonnage stress balance formula drawing machine.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of large-tonnage stress balance formula drawing machine, comprise guide rail, the mobile stretching head being arranged on guide rail and fixing stretching head, the both sides of described fixing stretching head respectively piston rod with two oil cylinders be connected, the cylinder body of oil cylinder is connected with ground, the both sides of described mobile stretching head are connected to the drawing machine guide rail being parallel to guide rail and placing, drawing machine guide rail is interval with multiple pilot hole, mobile stretching head is arranged on drawing machine guide rail by locking pin with coordinating of pilot hole, one end of described drawing machine guide rail is connected with the cylinder body of oil cylinder, ground is provided with bracing frame, strongback and bracing frame are for being slidably connected.
In the present invention, the level height of two drawing machine guide rails is one high and one low.
In the present invention, support frame as described above is provided with the limited block that restriction drawing machine guide rail moves only vertically.
In the present invention, described oil cylinder and drawing machine guide rail by power on the same line.
In the present invention, described drawing machine guide rail is connected with bracing frame by the T-shaped connection block of outwardly convex, and bracing frame is provided with the copper coin of reducing friction resistance with the T-shaped contact surface being connected block.
The invention has the beneficial effects as follows: 1. set up mechanical model taking the aluminium section bar being stretched as effective object and analyze: assume the drawing force that aluminium section bar needs 800T, so that two oil cylinders of drawing machine is F=800T with joint efforts, the thrust of single oil cylinder is F1=F2=400T, the reactive force F1'=F2'=F1=F2=400T of oil cylinder, pulling force on aluminium section bar will be applied to F1 "=F2 "=400T on the two drawing machine guide rails in left and right simultaneously, owing to F1 " and F1' and F2 " and F2' is that two pairs of action directions are contrary, the power that size is identical, when cylinder body and the drawing machine guide rail of oil cylinder after force balance is in free state, therefore be there is not drawing force in ground, reduce the requirement to ground.
2. set up mechanical model taking the piston rod of drawing machine oil cylinder as effective object to analyze: assume the drawing force that aluminium section bar needs 800T, so thrust F1=F2=400T of each oil cylinder, aluminium section bar is to the tensile force f=800T of the fixing stretching head of drawing machine simultaneously, this power will be applied to F3=F4=400T on the piston of two master cylinders in left and right, owing to F1 and F3 and F2 and F4 is that two pairs of action directions are contrary, the power that size is identical, when after force balance, the piston rod of oil cylinder is in free state, it is to increase work-ing life of cylinder body inner seal liner and oil cylinder itself.
3. the drawing machine guide rail the other end is spacing by compression block and is connected by copper coin between guide rail with guide rail supporting frame, when drawing machine guide rail produces compression set can centrally there is axial displacement in drawing machine guide rail, effectively eliminates the drawing force owing to ground face is produced by moment of flexure.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the present invention is further described:
Fig. 1 is the structural representation of the present embodiment;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 be Fig. 1 right view;
Fig. 4 is the mechanical model that the aluminium section bar to be stretched is set up as effective object;
Fig. 5 is the mechanical model set up by effective object of the piston rod of drawing machine oil cylinder;
Fig. 6 is the structural representation of bracing frame;
Fig. 7 is the structural representation of pincers head.
Embodiment
Referring to figs. 1 through Fig. 7, a kind of large-tonnage stress balance formula drawing machine provided by the present invention, the mobile stretching head 3 comprise guide rail 1, being arranged on guide rail 1 and fixing stretching head 4, the opening direction of two stretching heads is staggered relatively, and described mobile stretching head 3 and fixing stretching head 4 all can move around along guide rail 1. The both sides of described fixing stretching head 4 are connected with the piston rod 5 of two oil cylinders respectively, the cylinder body 6 of oil cylinder is connected with ground 7 by support, the both sides of described mobile stretching head 3 are connected to the drawing machine guide rail 8 being parallel to guide rail 1 and placing, article two, the level height of drawing machine guide rail 8 is one high and one low, and its lower height is corresponding with the height of outside feed mechanism.
The mode adopting this kind of height guide rail not only handled easily person check pulled out condition, avoid aluminium section bar to encounter guide rail, and facilitate charging, it is not necessary to raise aluminium section bar, reduce artificial. In order to facilitate the aluminium section bar of stretching different lengths, drawing machine guide rail 8 is interval with multiple pilot hole 9, mobile stretching head 3 is arranged on drawing machine guide rail 8 by locking pin 10 with coordinating of pilot hole 9, when needing the aluminium section bar processing other length, only need to mobile stretching head 3 be moved on corresponding pilot hole 9, again locking pin 10 is inserted pilot hole 9, it is achieved mobile stretching head 3 is relative fixing with drawing machine guide rail 8.One end of described drawing machine guide rail 8 is connected with the cylinder body 6 of oil cylinder, ground 7 is provided with bracing frame 2, drawing machine guide rail 8 and bracing frame 2 are for being slidably connected, described drawing machine guide rail 8 is connected with bracing frame 2 by the T-shaped connection block 12 of outwardly convex, and bracing frame 2 is provided with the copper coin 13 of reducing friction resistance with the T-shaped contact surface being connected block 12. When stretching aluminium section bar, drawing machine guide rail 8 easily produces compression set under the reactive force of mobile stretching head 3, during its distortion, axial displacement can centrally occur, effectively eliminate the drawing force owing to ground face 7 is produced by moment of flexure.
As preferred embodiment, the afterbody of the cylinder body 6 of oil cylinder is connected with the end of drawing machine guide rail 8, make oil cylinder and drawing machine guide rail 8 by power on the same line, avoid producing moment of flexure, affect the work-ing life of equipment. Support frame as described above 2 is provided with the limited block 11 that restriction drawing machine guide rail 8 moves only vertically, and in the present embodiment, limited block 11 is that pressure is spacing, avoids drawing machine guide rail 8 upwards to stick up.
Further, in the present invention, mobile stretching head 3 and fixing stretching head 4 adopt automatic centering type drawing machine jaw, this jaw comprises the pincers head main body for C font, be arranged in pincers head main body and upper and lower clamp for clamping aluminium, owing to the drawing force of the present invention reaches 800T, the heavy froging that described pincers head main body is formed in one; The both sides of upper and lower clamp are arranged on upper and lower clamp slide by upper and lower slide block respectively, described upper and lower clamp is interconnected by a linkage mechanism, described linkage mechanism comprises the cross connection block that the synchronous connecting rod being positioned at pincers head main body middle connects, the upper and lower connection block being hinged on cross connection block both sides respectively with synchronous connecting rod, and the other end of described upper and lower connection block is hinged with upper and lower slide block respectively.
Further, in order to make it be subject to power more balanced, the angle of described upper and lower clamp slide is 60 ��. Described upper and lower slide block is connected with driving mechanism respectively, and described driving mechanism is upper and lower clamp oil cylinder, and the angle between upper and lower clamp oil cylinder is 60 ��, and upper and lower clamp oil cylinder adopts hinged mode to be connected with upper and lower slide block respectively. The motion axis of described upper and lower clamp oil cylinder and the motion axis of drawing machine master cylinder, in same plane, make whole more to balance by power. In order to facilitate synchronous rod slide, the middle part of described pincers head main body is provided with the through hole installing synchronous connecting rod, is arranged with the copper cover facilitating synchronous rod slide in through hole. The frictional force of synchronous connecting rod and through hole can be effectively reduced by this copper cover.
The foregoing is only the preferred embodiments of the present invention, as long as the technical scheme realizing the object of the invention with basic same approach all belongs within protection scope of the present invention. .
Claims (5)
1. a large-tonnage stress balance formula drawing machine, it is characterized in that: comprise guide rail (1), the mobile stretching head (3) being arranged on guide rail (1) and fixing stretching head (4), the both sides of described fixing stretching head (4) are connected with the piston rod (5) of two oil cylinders respectively, the cylinder body (6) of oil cylinder is connected with ground (7), the both sides of described mobile stretching head (3) are connected to the drawing machine guide rail (8) being parallel to guide rail (1) and placing, drawing machine guide rail (8) is interval with multiple pilot hole (9), mobile stretching head (3) is arranged on drawing machine guide rail (8) by locking pin (10) with coordinating of pilot hole (9), one end of described drawing machine guide rail (8) is connected with the cylinder body (6) of oil cylinder, ground (7) is provided with bracing frame (2), drawing machine guide rail (8) and bracing frame (2) are for being slidably connected, mobile stretching head (3) and fixing stretching head (4) adopt automatic centering type drawing machine jaw, this jaw comprises the pincers head main body for C font, be arranged in pincers head main body and for clamping aluminium, lower clamp, the heavy froging that described pincers head main body is formed in one,The both sides of upper and lower clamp are arranged on upper and lower clamp slide by upper and lower slide block respectively, described upper and lower clamp is interconnected by a linkage mechanism, described linkage mechanism comprises the cross connection block that the synchronous connecting rod being positioned at pincers head main body middle connects, the upper and lower connection block being hinged on cross connection block both sides respectively with synchronous connecting rod, and the other end of described upper and lower connection block is hinged with upper and lower slide block respectively.
2. a kind of large-tonnage stress balance formula drawing machine according to claim 1, it is characterised in that: the level height of two drawing machine guide rails (8) is one high and one low.
3. a kind of large-tonnage stress balance formula drawing machine according to claim 1 and 2, it is characterised in that: support frame as described above (2) is provided with the limited block (11) that restriction drawing machine guide rail (8) is moved only vertically.
4. a kind of large-tonnage stress balance formula drawing machine according to claim 1 and 2, it is characterised in that: described oil cylinder is subject to power on the same line with drawing machine guide rail (8).
5. a kind of large-tonnage stress balance formula drawing machine according to claim 1 and 2, it is characterized in that: described drawing machine guide rail (8) is connected with bracing frame (2) by the T-shaped connection block (12) of outwardly convex, and bracing frame (2) is provided with the copper coin (13) of reducing friction resistance with the T-shaped contact surface being connected block (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310743894.9A CN103722039B (en) | 2013-12-27 | 2013-12-27 | A kind of large-tonnage stress balance formula drawing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310743894.9A CN103722039B (en) | 2013-12-27 | 2013-12-27 | A kind of large-tonnage stress balance formula drawing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103722039A CN103722039A (en) | 2014-04-16 |
| CN103722039B true CN103722039B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310743894.9A Active CN103722039B (en) | 2013-12-27 | 2013-12-27 | A kind of large-tonnage stress balance formula drawing machine |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104475470B (en) * | 2014-10-30 | 2016-06-01 | 芜湖杰诺科技有限公司 | A kind of wire rod process all-in-one is with taking out line apparatus |
| CN110340717A (en) * | 2018-11-23 | 2019-10-18 | 油机机械工业（中国）有限公司 | Hydraulic counterweight device |
| CN110587381B (en) * | 2019-08-27 | 2020-12-15 | 考迈托（佛山）挤压科技股份有限公司 | Production line with over-and-under type transfer chain |
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|---|---|---|---|---|
| CN2322713Y (en) * | 1997-11-25 | 1999-06-09 | 侯桂伦 | Bar steel straightening device |
| CN1712151A (en) * | 2005-06-10 | 2005-12-28 | 西安重型机械研究所 | Design method and device for hydraulic stretch flattener |
| CN101116881A (en) * | 2006-08-02 | 2008-02-06 | 张培良 | Hydraulic stretcher |
| CN201044929Y (en) * | 2007-06-22 | 2008-04-09 | 叶金汉 | Aluminium section bar inspection machine having lifting and turning stretching functions |
| CN102527776A (en) * | 2012-01-09 | 2012-07-04 | 温州久一重工有限公司 | Tension straightening machine |
| CN203292235U (en) * | 2013-06-14 | 2013-11-20 | 太原重工股份有限公司 | Tension straightener rack |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2663046Y (en) * | 2003-07-06 | 2004-12-15 | 机械工业部西安重型机械研究所 | Stretching-straightening device for aluminium profile extruded product |
| CN100512993C (en) * | 2007-12-29 | 2009-07-15 | 中国重型机械研究院 | Composite bevel clamping system |
| CN202087637U (en) * | 2011-05-27 | 2011-12-28 | 温州久一重工有限公司 | Holding device of stretcher leveling machine |
-
2013
- 2013-12-27 CN CN201310743894.9A patent/CN103722039B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2322713Y (en) * | 1997-11-25 | 1999-06-09 | 侯桂伦 | Bar steel straightening device |
| CN1712151A (en) * | 2005-06-10 | 2005-12-28 | 西安重型机械研究所 | Design method and device for hydraulic stretch flattener |
| CN101116881A (en) * | 2006-08-02 | 2008-02-06 | 张培良 | Hydraulic stretcher |
| CN201044929Y (en) * | 2007-06-22 | 2008-04-09 | 叶金汉 | Aluminium section bar inspection machine having lifting and turning stretching functions |
| CN102527776A (en) * | 2012-01-09 | 2012-07-04 | 温州久一重工有限公司 | Tension straightening machine |
| CN203292235U (en) * | 2013-06-14 | 2013-11-20 | 太原重工股份有限公司 | Tension straightener rack |
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| CN103722039A (en) | 2014-04-16 |
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Address after: 528000 Guangdong Province Nanhai District of Foshan city DaLiZhen clock edge industrial zone Applicant after: COMETAL (FOSHAN) EXTRUSION TECHNOLOGY CO.,LTD. Address before: 528000 Guangdong Province Nanhai District of Foshan city DaLiZhen clock edge industrial zone Applicant before: Foshan Kaomaituo Industry Machinery Co.,Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: FOSHAN COMETAL INDUSTRIAL MACHINERY CO., LTD. TO: KAOMAITUO (FOSHAN) EXTRUSION TECHNOLOGY CO., LTD. |
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Denomination of invention: A large tonnage force balancing stretching machine Effective date of registration: 20231123 Granted publication date: 20160608 Pledgee: Agricultural Bank of China Co.,Ltd. Nanhai Dali Sub branch Pledgor: COMETAL (FOSHAN) EXTRUSION TECHNOLOGY CO.,LTD. Registration number: Y2023980067113 |
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