CN104438459A - Swing arm type synchronous straightening machine - Google Patents
Swing arm type synchronous straightening machine Download PDFInfo
- Publication number
- CN104438459A CN104438459A CN201310425729.9A CN201310425729A CN104438459A CN 104438459 A CN104438459 A CN 104438459A CN 201310425729 A CN201310425729 A CN 201310425729A CN 104438459 A CN104438459 A CN 104438459A
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- China
- Prior art keywords
- roll
- swing arm
- straightening roll
- smoothing roll
- time smoothing
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/02—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
Abstract
The invention discloses a swing arm type synchronous straightening machine. The swing arm type synchronous straightening machine comprises a rack, a hydraulic cylinder, a connecting block, a first lower straightening roll, a second lower straightening roll and a first upper straightening roll, wherein the connecting block, the first lower straightening roll, the second lower straightening roll and the first upper straightening roll are hinged to the rack; the first upper straightening roll is positioned above a connecting line between a center line of the first lower straightening roll and a center line of the second lower straightening roll; the hydraulic cylinder is arranged in the rack; a piston rod of the hydraulic cylinder is hinged to the connecting block; the connecting block is connected with a center shaft of the first upper straightening roll through a first swing arm; the middle of the first swing arm is hinged to a center shaft of the second lower straightening roll; the rack is provided with a power device; and the power device is used for driving the first lower straightening roll and the second lower straightening roll to rotate in the same direction and is also used for driving the first upper straightening roll to rotate reversely relative to the second lower straightening roll. Owing to an active rolling straightening function, the straightening machine can clamp a product; the product can be repeatedly straightened in the two directions; the transfer frequency is reduced; the occupation area is saved; the number of production personnel is reduced; and the production cost is also reduced.
Description
Technical field
The present invention relates to a kind of straightener, particularly relate to the synchronous straightener of a kind of swing arm.
Background technology
Traditional straightener uses very general, and be divided into the patterns such as three-roll unbender, five-roll machine, multi-roll straightening machine, flattening precision is directly proportional to the quantity of smoothing roll, and by contrast, five-roll machine has met Production requirement, and user applies more.The adjustment of conventional its straightening roll press quantity of five-roll machine is single independent adjustment, maintains static, there is following shortcoming: rely on and manually adjust, be difficult to guarantee five (many) aligning point one line, align center not conllinear after the position of smoothing roll mixes up; The drafts of each smoothing roll of two rows is difficult to ensure unanimously, and aligning center is change; During goods change specification, multiple smoothing roll all needs adjustment, and workload is large; The position of smoothing roll is motionless after setting up, and can not realize goods and enter after in smoothing roll and compress aligning, can not nip fast for " gooseneck boom is curved " goods, has to pass through human assistance and can to nip aligning; The frequent action of guiding mechanism, the wear extent of each mechanism is different, and the synchronization accuracy of adjustment is poor; Automaticity is low, can not be applied on the high tinuous production of automaticity.Conllinear, aligning center line do not depart from, adjusts the shortcomings such as complexity how to research and develop a kind of aligning center that can overcome traditional straightener; Traditional straightener can also be overcome can not to nip fast " gooseneck boom is curved " goods, be not suitable for the problem of high-speed automated tinuous production; And have function is pinched to goods, can realize the roll straightener of aligning of two-way active is various equivalent modifications technical problem urgently to be resolved hurrily.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency of the prior art, provide a kind of swing arm synchronous straightener.The synchronous straightener of this swing arm, owing to being the aligning that initiatively rolls, pinching function to goods, can realize the two-way of goods and repeatedly align, decrease the number of turnover, save floor space, decreased producers, reduced production cost.
For achieving the above object, the technical solution used in the present invention is: the synchronous straightener of swing arm, it is characterized in that: comprise frame and hydraulic cylinder and the contiguous block in frame that is articulated and connected, first time smoothing roll, second time smoothing roll and the first upper straightening roll, described first upper straightening roll is positioned at the top of first time smoothing roll and second time smoothing roll center line line, described hydraulic cylinder is arranged in frame, piston rod and the contiguous block of described hydraulic cylinder are articulated and connected, described contiguous block is connected with the central shaft of the first upper straightening roll by the first swing arm, the middle part of described first swing arm and the central shaft of second time smoothing roll are articulated and connected, described frame is provided with for driving first time smoothing roll with second time smoothing roll rotating in same direction and for driving the first upper straightening roll relative to second time counter-rotational power set of smoothing roll.
The synchronous straightener of above-mentioned swing arm, it is characterized in that: also comprise and be rotatably connected on the second upper straightening roll in frame and the 3rd time smoothing roll, the line of described second upper straightening roll and the first upper straightening roll center line parallels with the line of first time smoothing roll, second time smoothing roll and the 3rd time smoothing roll center line, described contiguous block is connected with the central shaft of the second upper straightening roll by the second swing arm, and the middle part of described second swing arm is connected with the central axis of the 3rd time smoothing roll.
The synchronous straightener of above-mentioned swing arm, it is characterized in that: also comprise control system, described control system comprises depress switch for detecting contiguous block rotational angle and trip switch and the controller for receiving the angle signal that described contiguous block rotates, the input of described controller connects with depress switch and trip switch, the output of described controller is connected to solenoid directional control valve, described solenoid directional control valve is connected with rodless cavity with hydraulic cylinder rod chamber, the lower end of described contiguous block is provided with the sensing chip matched with depress switch and trip switch, described depress switch and trip switch are all arranged in frame.
The synchronous straightener of above-mentioned swing arm, it is characterized in that: the power transmission shaft that described power set comprise power source and are connected with power source output shaft, described power transmission shaft is provided with the first driving gear and the second driving gear, the central shaft of described first time smoothing roll is provided with the first driven gear be meshed with the first driving gear, the central shaft of described second time smoothing roll is provided with the second driven gear be meshed with the second driving gear, the central shaft of described first upper straightening roll is provided with the 3rd driven gear be meshed with the second driven gear.
The synchronous straightener of above-mentioned swing arm, is characterized in that: inwall relative with hydraulic cylinder in described frame is provided with the gag lever post for limiting contiguous block rotational angle.
The present invention compared with prior art has the following advantages:
1, structure of the present invention is simple, rationally novel in design, is easy to install.
2, when power source of the present invention rotates forward, by first time smoothing roll and second time smoothing roll active rotation in the same way, while goods aligning, also achieve and function is pinched to goods, and power source can also rotate backward, goods are had to the function of two-way aligning.
3, the present invention is by two upper straightening rolls to the pressure of goods aligning with unclamp action, and the lower surface position of goods remains unchanged, and the quick pressure of two upper straightening rolls, " gooseneck boom is curved " goods of can nipping fast, are applicable on high-speed and continuous production line.
4, the present invention is rotated by gears meshing by first time smoothing roll, second time smoothing roll and the first upper straightening roll, ensures that velocity of rotation is identical, carries out rolling aligning to goods, and the surface of the relatively upper and lower smoothing roll of goods does not have relative displacement, and products surface quality is high.
5, of the present invention to realize cost low, and result of use is good, is convenient to promote the use of.
In sum, structure of the present invention is simple, and rationally novel in design, functional reliability is high, long service life, there is quick pressure feature, be applicable on high-speed and continuous production line, the two-way of goods can be realized and repeatedly align, save floor space, reduce production cost, result of use is good, is convenient to promote the use of.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is A-A sectional view in Fig. 1.
Fig. 3 is B-B sectional view in Fig. 1.
Fig. 4 is the schematic block circuit diagram of control system of the present invention.
Description of reference numerals:
1-frame; 2-the first bearing pin; 3-hydraulic cylinder;
3-1-piston rod; 4-the first driving gear; 5-the first time smoothing roll;
6-the first driven gear; 7-the first swing arm; 8-the first upper straightening roll;
9-the second time smoothing roll; 10-the second upper straightening roll; 11-the second swing arm;
12-goods; 13-the three time smoothing roll; 14-contiguous block;
15-gag lever post; 16-nut; 17-the second bearing pin;
18-sensing chip; 19-depress switch; 20-trip switch;
21-power source; 22-power transmission shaft; 23-the second driving gear;
24-the second driven gear; 25-controller; 26-solenoid directional control valve.
Detailed description of the invention
As Fig. 1, the synchronous straightener of a kind of swing arm shown in Fig. 2 and Fig. 3, comprise frame 1 and hydraulic cylinder 3 and the contiguous block 14 in frame 1 that is articulated and connected, first time smoothing roll 5, second time smoothing roll 9 and the first upper straightening roll 8, described first upper straightening roll 8 is positioned at the top of first time smoothing roll 5 and second time smoothing roll 9 center line line, described hydraulic cylinder 3 is arranged in frame 1, piston rod 3-1 and the contiguous block 14 of described hydraulic cylinder 3 are articulated and connected, described contiguous block 14 is connected with the central shaft of the first upper straightening roll 8 by the first swing arm 7, the described middle part of the first swing arm 7 and the central shaft of second time smoothing roll 9 are articulated and connected, described frame 1 is provided with for driving first time smoothing roll 5 with second time smoothing roll 9 rotating in same direction and for driving the relative second time counter-rotational power set of smoothing roll 9 of the first upper straightening roll 8.In the present embodiment, the cylinder barrel of described hydraulic cylinder 3 is articulated and connected in frame 1 by the first bearing pin 2, and described piston rod 3-1 is articulated and connected with contiguous block 14 by the second bearing pin 17.
As shown in Figure 1, Figure 2 and Figure 3, the synchronous straightener of this swing arm also comprises be articulated and connected the second upper straightening roll 10 in frame 1 and the 3rd time smoothing roll 13, the line of described second upper straightening roll 10 and the first upper straightening roll 8 center line parallels with the line of first time smoothing roll, 5, second time smoothing roll 9 and the 3rd time smoothing roll 13 center line, described contiguous block 14 is connected with the central shaft of the second upper straightening roll 10 by the second swing arm 11, and the middle part of described second swing arm 11 and the central shaft of the 3rd time smoothing roll 13 are articulated and connected.
Composition graphs 4, the synchronous straightener of this swing arm also comprises control system, described control system comprises depress switch 19 for detecting contiguous block 14 rotational angle and trip switch 20 and the controller 25 for receiving the angle signal that described contiguous block 14 rotates, the input of described controller 25 connects with depress switch 19 and trip switch 20, the output of described controller 25 is connected to solenoid directional control valve 26, described solenoid directional control valve 26 is connected with rodless cavity with hydraulic cylinder 3 rod chamber, the lower end of described contiguous block 14 is provided with the sensing chip 18 matched with depress switch 19 and trip switch 20, described depress switch 19 and trip switch 20 are all arranged in frame 1.
In the present embodiment, when the first upper straightening roll 8 of the synchronous straightener of this swing arm and the second upper straightening roll 10 are depressed: the rodless cavity oil-feed of hydraulic cylinder 3, piston rod 3-1 moves right, promote contiguous block 14, and then promote the first swing arm 7 and the second swing arm 11 and rotate, first swing arm 7 drives the first upper straightening roll 8 to rotate counterclockwise around the central shaft of second time smoothing roll 9, second swing arm 11 drives the second upper straightening roll 10 to rotate counterclockwise around the central shaft of the 3rd time smoothing roll 13, the vertical range h value of upper straightening roll lower edge and lower smoothing roll upper limb is reduced, realize the pressure to goods 12, when the first upper straightening roll 8 of the synchronous straightener of this swing arm and the second upper straightening roll 10 unclamp: the rod chamber oil-feed of hydraulic cylinder 3, piston rod 3-1 is to left movement, promote contiguous block 14, and then promote the first swing arm 7 and the second swing arm 11 and rotate, first swing arm 7 drives the first upper straightening roll 8 to rotate clockwise around the central shaft of second time smoothing roll 9, namely described 3rd driven gear rotates an angle along the second driven gear 24, second swing arm 11 drives the second upper straightening roll 10 to rotate clockwise around the central shaft of the 3rd time smoothing roll 13, the vertical range h value of upper straightening roll lower edge and lower smoothing roll upper limb is increased, realize unclamping goods 12.
In the present embodiment, when the aligning action that the synchronous straightener of this swing arm carries out: power source 21 drives power transmission shaft 22 to rotate, power transmission shaft 22 drives the first driving gear 4 and the second driving gear 23 synchronous axial system, first driving gear 4 drives first time smoothing roll 5 to rotate by the first driven gear 6, second driving gear 23 drives second time smoothing roll 9 to rotate by the second driven gear 24, second driven gear 24 drive first upper straightening roll 8 that is meshed with the 3rd driven gear rotates, second upper straightening roll 10 and the 3rd time smoothing roll 13 rotation simultaneously, when the first upper straightening roll 8 and the second upper straightening roll 10 are depressed, just the aligning to goods 12 can be realized.When power source 21 drives power transmission shaft 22 to rotate backward, just can realize the reverse aligning to goods 12, the discharging direction of goods 12 is with original contrary.Described power source 21 can be buncher, also can be hydraulic motor, and the speed of the two is all stepless time adjustment patterns.
In the present embodiment, control the pressure of two upper straightening rolls by control system and unclamp action, namely when the first upper straightening roll 8 and the second upper straightening roll 10 are depressed, contiguous block 14 rotates, sensing chip 18 and depress switch 19 respond to sender, this Time Controller 25 controls solenoid directional control valve 26 and closes oil inlet and outlet, thus keep the position of piston rod 3-1 in hydraulic cylinder 3, when completing aligning action, controller 25 controls solenoid directional control valve 26 and commutates, first upper straightening roll 8 and the second upper straightening roll 10 perform and unclamp action, contiguous block 14 rotates backward, sensing chip 18 and trip switch 20 respond to sender, this Time Controller 25 controls solenoid directional control valve 26 again and commutates after goods 12 are sent into.Described depress switch 19 and trip switch 20 are Hall switch, and described sensing chip 18 is made of metal.
In the present embodiment, owing to being the aligning that initiatively rolls, function is pinched to goods 12, the two-way of goods 12 can be realized repeatedly align, decrease the number of turnover, save floor space, decrease producers, reduce production cost, overcome traditional five-roll machine aligning center not shortcoming such as conllinear, adjustment complexity, flattening precision is high; Solution must not be nipped " gooseneck boom is curved " goods problem fast, is particularly useful on high-speed automated production line, and adjustment maintenance capacity decreases 80%, and productivity ratio improves 6% ~ 10%, and automatization level is high.
As shown in Figure 3, the power transmission shaft 22 that described power set comprise power source 21 and are connected with power source 21 output shaft, described power transmission shaft 22 is provided with the first driving gear 4 and the second driving gear 23, the central shaft of described first time smoothing roll 5 is provided with the first driven gear 6 be meshed with the first driving gear 4, the central shaft of described second time smoothing roll 9 is provided with the second driven gear 24 be meshed with the second driving gear 23, the central shaft of described first upper straightening roll 8 is provided with the 3rd driven gear be meshed with the second driven gear 24.
As shown in Figure 1, relative with hydraulic cylinder 3 in described frame 1 inwall is provided with the gag lever post 15 for limiting contiguous block 14 rotational angle.Described gag lever post 15 is connected in frame 1 with thread forms, and is fixed by nut 16.
The first upper straightening roll 8 that this example relates to and the drafts of the second upper straightening roll 10 and the overhang a of gag lever post 15 have relation, and the size of drafts and the original curved degree of goods 12, elasticity, stress state are relevant, grasp flexibly in practice.After the position of gag lever post 15 is determined, now demarcate the position (switch sender is as the criterion) of depress switch 19, determine the position (switch sender is as the criterion) of trip switch 20 afterwards again.The size of the amount of unclamping is relevant with goods 12 original curved value, is greater than original curved value for principle, now fixes trip switch 20 with the amount of unclamping.Can ensure that the first upper straightening roll 8 and the second upper straightening roll 10 are opened fast like this, goods 12 of nipping, first slow down when can ensure that again the first upper straightening roll 8 and the second upper straightening roll 10 are depressed, finally reach pinpoint object.
Hydraulic cylinder travel S in Fig. 1 and the distance S of trip switch and depress switch
1pass is:
Work as S
1time maximum, S > 0;
The vertical range h of upper straightening roll lower edge and lower smoothing roll upper limb and products thickness t closes and is: (-10) mm < h < (t+50) mm.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solution of the present invention.
Claims (5)
1. the synchronous straightener of swing arm, it is characterized in that: comprise frame (1) and hydraulic cylinder (3) and the contiguous block (14) in frame (1) that is articulated and connected, first time smoothing roll (5), second time smoothing roll (9) and the first upper straightening roll (8), described first upper straightening roll (8) is positioned at the top of first time smoothing roll (5) and second time smoothing roll (9) center line line, described hydraulic cylinder (3) is arranged in frame (1), piston rod (3-1) and the contiguous block (14) of described hydraulic cylinder (3) are articulated and connected, described contiguous block (14) is connected by the central shaft of the first swing arm (7) with the first upper straightening roll (8), the middle part of described first swing arm (7) and the central shaft of second time smoothing roll (9) are articulated and connected, described frame (1) is provided with for driving first time smoothing roll (5) with second time smoothing roll (9) rotating in same direction and for driving the relative second time counter-rotational power set of smoothing roll (9) of the first upper straightening roll (8).
2. the synchronous straightener of swing arm according to claim 1, it is characterized in that: also comprise be articulated and connected the second upper straightening roll (10) in frame (1) and the 3rd time smoothing roll (13), the line of described second upper straightening roll (10) and the first upper straightening roll (8) center line and first time smoothing roll (5), the line of second time smoothing roll (9) and the 3rd time smoothing roll (13) center line parallels, described contiguous block (14) is connected by the central shaft of the second swing arm (11) with the second upper straightening roll (10), the middle part of described second swing arm (11) is connected with the central axis of the 3rd time smoothing roll (13).
3. the synchronous straightener of swing arm according to claim 1 and 2, it is characterized in that: also comprise control system, described control system comprises depress switch (19) for detecting contiguous block (14) rotational angle and trip switch (20) and the controller (25) for receiving the angle signal that described contiguous block (14) rotates, the input of described controller (25) connects with depress switch (19) and trip switch (20), the output of described controller (25) is connected to solenoid directional control valve (26), described solenoid directional control valve (26) is connected with rodless cavity with hydraulic cylinder (3) rod chamber, the lower end of described contiguous block (14) is provided with the sensing chip (18) matched with depress switch (19) and trip switch (20), described depress switch (19) and trip switch (20) are all arranged in frame (1).
4. the synchronous straightener of swing arm according to claim 1 and 2, it is characterized in that: the power transmission shaft (22) that described power set comprise power source (21) and are connected with power source (21) output shaft, described power transmission shaft (22) is provided with the first driving gear (4) and the second driving gear (23), the central shaft of described first time smoothing roll (5) is provided with the first driven gear (6) be meshed with the first driving gear (4), the central shaft of described second time smoothing roll (9) is provided with the second driven gear (24) be meshed with the second driving gear (23), the central shaft of described first upper straightening roll (8) is provided with the 3rd driven gear be meshed with the second driven gear (24).
5. the synchronous straightener of swing arm according to claim 1 and 2, is characterized in that: the upper inwall relative with hydraulic cylinder (3) of described frame (1) is provided with the gag lever post (15) for limiting contiguous block (14) rotational angle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310425729.9A CN104438459A (en) | 2013-09-17 | 2013-09-17 | Swing arm type synchronous straightening machine |
Applications Claiming Priority (1)
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CN201310425729.9A CN104438459A (en) | 2013-09-17 | 2013-09-17 | Swing arm type synchronous straightening machine |
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CN104438459A true CN104438459A (en) | 2015-03-25 |
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ID=52885652
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CN201310425729.9A Pending CN104438459A (en) | 2013-09-17 | 2013-09-17 | Swing arm type synchronous straightening machine |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106270015A (en) * | 2015-06-29 | 2017-01-04 | 何荣机械股份有限公司 | Straightening machine |
CN111457826A (en) * | 2020-03-31 | 2020-07-28 | 鞍钢股份有限公司 | Rapid angle checking method for straightening machine |
CN112193810A (en) * | 2020-12-09 | 2021-01-08 | 爱汽科技(佛山)有限公司 | Automatic bar conveying device and gear production line using same |
-
2013
- 2013-09-17 CN CN201310425729.9A patent/CN104438459A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106270015A (en) * | 2015-06-29 | 2017-01-04 | 何荣机械股份有限公司 | Straightening machine |
CN111457826A (en) * | 2020-03-31 | 2020-07-28 | 鞍钢股份有限公司 | Rapid angle checking method for straightening machine |
CN112193810A (en) * | 2020-12-09 | 2021-01-08 | 爱汽科技(佛山)有限公司 | Automatic bar conveying device and gear production line using same |
CN112193810B (en) * | 2020-12-09 | 2021-03-23 | 爱汽科技(佛山)有限公司 | Automatic bar conveying device and gear production line using same |
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Application publication date: 20150325 |