CN102513411B - Small narrow band bending straightener - Google Patents
Small narrow band bending straightener Download PDFInfo
- Publication number
- CN102513411B CN102513411B CN201110447190.8A CN201110447190A CN102513411B CN 102513411 B CN102513411 B CN 102513411B CN 201110447190 A CN201110447190 A CN 201110447190A CN 102513411 B CN102513411 B CN 102513411B
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- China
- Prior art keywords
- smoothing roll
- bending
- roll
- rotating shaft
- straightening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005452 bending Methods 0.000 title claims abstract description 59
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 230000001105 regulatory effect Effects 0.000 claims abstract description 15
- 238000009499 grossing Methods 0.000 claims description 75
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 239000000725 suspension Substances 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Straightening Metal Sheet-Like Bodies (AREA)
- Wire Processing (AREA)
Abstract
The invention relates to a small narrow band bending straightener and belongs to the technical field of metal bar straightening equipment. The straightener consists of straightening roll group mechanism positioned on an upper part, a bending roll group in the middle, a machine seat and a power mechanism at bottom and a control device, wherein the straightening roll group mechanism comprises a straightening roll group and a supporting and regulating device, and the straightening roll group consists of a straightening roll and a pair of pressing rolls; the bending roll group consists of two pairs of driving and driven bending rolls and a pressing roll; the power mechanism comprises a main driving motor and a transmission mechanism; the driving and driven bending rolls and the pressing roll are arranged on the back plate of the machine base through a rotating shaft cantilever, and the straightening roll and the pressing rolls are arranged on the supporting and regulating device by rotating shaft cantilevers; the main driving motor is connected with the rotating shaft of the driving bending roll through the transmission mechanism, the main driving motor is below a working platform panel, and the transmission mechanism is arranged behind the back plate of the machine frame; and the two motors are controlled by the control device. The straightener has the advantages that: band straightening speed and the relative positions of the straightening rolls can be regulated; the structure is simple and compact; the band insertion and operation are convenient; the straightening effect is good; and the like.
Description
Affiliated technical field
The present invention relates to a kind of small narrow band bending straightener, belong to metal strip equipment for straightening technical field.
Background technology
Metal strip in rolling, extruding, drawing, transport and various process often because of External Force Acting, variations in temperature and internal force growth and decline and bend or torsional deformation.Often show as the camber in the curved and horizontal plane of wave in vertical plane for flat bar and narrow strip.There is bending narrow strip, as copper strips or aluminium strip, in the time being wound around, there will be between inhomogeneous, the levels in rough and uneven in surface, adjacent two turn-to-turn gaps, surface the phenomenons such as tension force is inconsistent, directly affect product quality.Therefore, need to carry out straightening processing before winding coiling dress for narrow metallic tapes material, and the processing dimension that does not allow to occur narrow metallic tapes material in aligning process changes and metal structure is destroyed.
The problems such as at present conventional straightener exists that volume is large, complex structure, operation inconvenience, applicable surface are narrow, during especially for undersized arrowband aligning, the not only operating process such as threading and adjustment complexity, and increase aligning control difficulty, equipment efficiency of usage is not high yet.Need to develop the device that a kind of volume is little, simple in structure, easy and simple to handle, be applicable to the use of small narrow band stretch-bending straightening, to meet the needs of production.
Summary of the invention
The invention provides a kind of small narrow band bending straightener simple in structure, the smoothing roll group adjustable by position matches with bending rod group, realize longitudinal wave of reduced size narrow metallic tapes material curved and with the curved three-dimensional aligning of horizontal wave.
Technical scheme of the present invention is: small narrow band bending straightener, is made up of the support 18 of the bending Gun Zu mechanism 10 at superposed smoothing roll group mechanism 9, middle part, bottom and actuating unit and control device; Smoothing roll group mechanism 9 comprises smoothing roll group and supporting and regulating device thereof, and smoothing roll group is made up of a smoothing roll 1 and a pair of lower nip roll 2; By two pairs, initiatively bending roll 5, driven bending roll 4 and hold-down rollers 6 form in the bending Gun Zu mechanism 10 at middle part; Actuating unit comprises main drive motor 19 and transmission mechanism 20; Initiatively bending roll 5, driven bending roll 4 and hold-down roller 6 are arranged on support backboard 3 by its rotary shaft suspension arm, and smoothing roll 1 and lower nip roll 2 are arranged on smoothing roll group supporting and regulating device by its rotary shaft suspension arm; Transmission mechanism 20 inputs connect main drive motor 19 output shafts, output connects the initiatively rotating shaft of bending roll 5, and main drive motor 19 is loaded on below support worktable panel 7, and transmission mechanism 20 is located at after support backboard 3; The supporting and regulating device lower end of smoothing roll group and support backboard 3 upper ends are hinged by hinge 23, and the power line of main drive motor 19 is connected with control device output.
Described smoothing roll group supporting and regulating device is made up of smoothing roll gripper shoe 11, bearing block 12, screw rod 13, smoothing roll frame 14 and stepper motor 17; Bearing block 12, smoothing roll frame 14 and stepper motor 17 are fixed in smoothing roll gripper shoe 11, screw rod 13 is supported by the bearing in bearing block 12, and the stage casing of screw rod 13 is threaded with smoothing roll frame 14 (screw rod rotation can make smoothing roll frame move up and down), lower end is connected with the output shaft of stepper motor 17 by transmission device; Smoothing roll frame 14 is made up of forward and backward horizontal cross bar and three pairs of vertical rods, smoothing roll 1 and lower nip roll 2 are arranged on by its rotating shaft on three pairs of vertical rods of smoothing roll frame 14, gripper shoe 11 lower ends and support backboard 3 upper ends are hinged by hinge 23, and the power line of stepper motor 17 connects control device output.Smoothing roll group can freely be turned over and turn 90 degrees backward around hinge 23 with gripper shoe 11, facilitates the operation of threading.
The transmission device that described screw rod 13 lower ends are connected with stepper motor 17 output shafts is conical tooth wheels, the control signal Driving Stepping Motor 17 that control device sends is worked, by angular wheel transmission, screw rod 13 is rotated, drive the upper and lower motion of smoothing roll frame 14 and smoothing roll group, realize the adjustment to rectifying belt tension.
Two pairs of vertical rod bottoms on described smoothing roll frame 14 both sides have chute, the rotating shaft end head of two lower compression rollers 2 is through at respectively in chute and by former and later two and moves cross bar 16 level connection joints, the vertical adjustment screw 15 that is installed with the upper and lower displacement amount of adjustable lower compression roller between the forward and backward horizontal cross bar centre position of smoothing roll frame 14 and forward and backward mobile cross bar 16.By adjustment screw 15, can adjust the upper and lower position of mobile cross bar 16 and two lower compression rollers 2, thereby adjust the lateral angles of lower compression roller 2, the requirement of correcting with the difference meeting rectifying band.
The rotating shaft of described hold-down roller 6 is arranged on support backboard 3 by Z-type bar 22 cantilevers, between the rotating shaft of hold-down roller 6 and support worktable panel 7, be provided with rotating shaft spring 21, hold-down roller 6 presses to initiatively bending roll 5 by spring 21, can make hold-down roller 6 and initiatively between bending roll 5, produce gap, ensureing to rectify the easy motion of band.
Described transmission mechanism 20 is the common transmission mechanisms such as band transmission, chain transmission, and gearratio, in conjunction with motor speed used, is determined according to actual needs.
Described control device is common electric machine speed-regulating control device, and main drive motor (band decelerator) 19 and stepper motor 17 are common commercially available prod.
The structure that the present invention adopts bending roll group to match with smoothing roll group, rotated by two groups of bending rolls of actuator drives by motor, narrow metallic tapes material is come from preceding working procedure or draw drum, be introduced into one group of bending rod, then enter smoothing roll, remove next procedure or take-up reel after bending rod, complete stretch-bending straightening through whole process.When threading, smoothing roll gripper shoe is turned over backward, and opens hold-down roller, and narrow metallic tapes, through two groups of bending rolls, is then translated into normal position forward smoothing roll gripper shoe, then arrowband is sticked into smoothing roll, unclamps hold-down roller, starts main motor.Rectify in band process, regulate the upper and lower displacement of smoothing roll frame to realize permanent tension force control by controller by stepper motor, and according to outlet dribbling situation rotation adjustment screw, make lower compression roller in suitable position and level angle, to align the bending situation in different arrowbands, thereby realize accurately aligning.By controller control driver motor rotating speed, can adjust easily the movement velocity of rectifying band.Bending roll and smoothing roll be by cantilever design, and smoothing roll can freely overturn, and facilitated the operation of threading.
Compared with prior art, the present invention has strong tape speed and smoothing roll relative position is adjustable, simple in structure, threading and easy to operate, the advantage such as leveling effect is good, plane camber and the lateral bending that can exist narrow metallic tapes be aligned, be particularly useful for longitudinal wave of reduced size narrow metallic tapes material curved and with the curved three-dimensional aligning of horizontal wave.
Brief description of the drawings
Fig. 1 is the main schematic diagram of looking of the present invention;
Fig. 2 is schematic side view of the present invention;
Fig. 3 is that the smoothing roll master of mechanism of the present invention looks schematic diagram;
Fig. 4 is stretch-bending straightening schematic diagram of the present invention.
In figure: 1-smoothing roll, 2-lower compression roller, 3-support backboard, the driven bending roll of 4-, 5-is bending roll initiatively, 6-hold-down roller, and 7-support worktable panel, 8-metal is rectified band, 9-smoothing roll group, the bending rod group of 10-, 11-smoothing roll gripper shoe, 12-bearing, 13-screw rod, 14-smoothing roll frame, 15-adjustment screw, 16-moves cross bar, 17-stepper motor, 18-support, 19-main drive motor (band decelerator), 20-transmission mechanism, 21-spring, 22-Z type bar, 23-hinge.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described, but protection scope of the present invention is not limited to described content.
Embodiment 1: as Figure 1-4, this small narrow band bending straightener, is made up of the support 18 of the bending Gun Zu mechanism 10 at superposed smoothing roll group mechanism 9, middle part, bottom and actuating unit and control device; Smoothing roll group mechanism 9 comprises smoothing roll group and supporting and regulating device thereof, and smoothing roll group is made up of a smoothing roll 1 and a pair of lower nip roll 2; By two pairs, initiatively bending roll 5, driven bending roll 4 and hold-down rollers 6 form in the bending Gun Zu mechanism 10 at middle part; Actuating unit comprises main drive motor 19 and transmission mechanism 20; Initiatively bending roll 5, driven bending roll 4 and hold-down roller 6 are arranged on support backboard 3 by its rotary shaft suspension arm, and smoothing roll 1 and lower nip roll 2 are arranged on smoothing roll group supporting and regulating device by its rotary shaft suspension arm; Transmission mechanism 20 inputs connect main drive motor 19 output shafts, output connects the initiatively rotating shaft of bending roll 5, and main drive motor 19 is loaded on below support worktable panel 7, and transmission mechanism 20 is located at after support backboard 3; The supporting and regulating device lower end of smoothing roll group and support backboard 3 upper ends are hinged by hinge 23, and the power line of main drive motor 19 is connected with control device output.
Smoothing roll group supporting and regulating device is made up of smoothing roll gripper shoe 11, bearing block 12, screw rod 13, smoothing roll frame 14 and stepper motor 17; Bearing block 12, smoothing roll frame 14 and stepper motor 17 are fixed in smoothing roll gripper shoe 11, screw rod 13 is supported by the bearing in bearing block 12, and the stage casing of screw rod 13 is threaded with smoothing roll frame 14, lower end is connected with the output shaft of stepper motor 17 by conical tooth wheels; Smoothing roll frame 14 is made up of forward and backward horizontal cross bar and three pairs of vertical rods, smoothing roll 1 and lower nip roll 2 are arranged on by its rotating shaft on three pairs of vertical rods of smoothing roll frame 14, gripper shoe 11 lower ends and support backboard 3 upper ends are hinged by hinge 23, and the power line of stepper motor 17 connects control device output.Smoothing roll group can freely be turned over and turn 90 degrees backward around hinge 23 with gripper shoe 11, facilitates the operation of threading.
Two pairs of vertical rod bottoms on smoothing roll frame 14 both sides have chute, the rotating shaft end head of two lower compression rollers 2 is through at respectively in chute and by former and later two and moves cross bar 16 level connection joints, the vertical adjustment screw 15 that is installed with the upper and lower displacement amount of adjustable lower compression roller between the forward and backward horizontal cross bar centre position of smoothing roll frame 14 and forward and backward mobile cross bar 16.By adjustment screw 15, can adjust the upper and lower position of mobile cross bar 16 and two lower compression rollers 2, thereby adjust the lateral angles of lower compression roller 2.
The rotating shaft of hold-down roller 6 is arranged on support backboard 3 by Z-type bar 22 cantilevers, between the rotating shaft of hold-down roller 6 and support worktable panel 7, be provided with rotating shaft spring 21, hold-down roller 6 presses to initiatively bending roll 5 by spring 21, make hold-down roller 6 and initiatively between bending roll 5, produce gap, guarantee metal is rectified the easy motion with 8.Transmission mechanism 20 is the normal tape transmission mechanism of gearratio 5:1, and control device is common electric machine speed-regulating control device, and main drive motor (band decelerator) 19 and stepper motor 17 are common commercially available prod.
Embodiment 2: as Figure 1-4, the structure of this small narrow band bending straightener is identical with embodiment 1, transmission mechanism 20 is the common chain-drive mechanism of gearratio 7:1.
Embodiment 3: as Figure 1-4, the structure of this small narrow band bending straightener is identical with embodiment 1, transmission mechanism 20 is the ordinary gear transmission mechanism of gearratio 3:1, the output shaft of stepper motor 17 is connected with screw rod 13 lower ends by shaft coupling.
Claims (3)
1. a small narrow band bending straightener, is made up of the support (18) of the bending Gun Zu mechanism (10) at superposed smoothing roll group mechanism (9), middle part, bottom and actuating unit and control device; Smoothing roll group mechanism (9) comprises smoothing roll group and supporting and regulating device thereof, and smoothing roll group is made up of a smoothing roll (1) and a pair of lower compression roller (2); By two pairs, initiatively bending roll (5), driven bending roll (4) and hold-down roller (6) form in the bending roll group mechanism (10) at middle part; Actuating unit comprises main drive motor (19) and transmission mechanism (20); Initiatively bending roll (5), driven bending roll (4) and hold-down roller (6) are arranged on support backboard (3) above by its rotary shaft suspension arm, and smoothing roll (1) and lower compression roller (2) are arranged on smoothing roll group supporting and regulating device by its rotary shaft suspension arm; Transmission mechanism (20) input connects main drive motor (19) output shaft, output connects the initiatively rotating shaft of bending roll (5), main drive motor (19) is loaded on support worktable panel (7) below, and transmission mechanism (20) is located at support backboard (3) below; The supporting and regulating device lower end of smoothing roll group and support backboard (3) upper end are hinged by hinge (23), and the power line of main drive motor (19) is connected with control device output; The rotating shaft of hold-down roller (6) is arranged on support backboard (3) by Z-type bar (22) cantilever, between the rotating shaft of hold-down roller (6) and support worktable panel (7), be provided with rotating shaft spring (21), hold-down roller (6) presses to initiatively bending roll (5) by spring (21), it is characterized in that: smoothing roll group supporting and regulating device is made up of gripper shoe (11), bearing block (12), screw rod (13), smoothing roll frame (14) and stepper motor (17); Bearing block (12), smoothing roll frame (14) and stepper motor (17) are fixed in gripper shoe (11), screw rod (13) is by the bearing supporting in bearing block (12), and the stage casing of screw rod (13) is threaded with smoothing roll frame (14), lower end is connected with the output shaft of stepper motor (17) by transmission device; Smoothing roll frame (14) is made up of forward and backward horizontal cross bar and three pairs of vertical rods, smoothing roll (1) and lower nip roll (2) are arranged on by its rotating shaft on three pairs of vertical rods of smoothing roll frame (14), gripper shoe (11) lower end and support backboard (3) upper end are hinged by hinge (23), and the power line of stepper motor (17) is connected with control device output.
2. small narrow band bending straightener according to claim 1, is characterized in that: screw rod (13) lower end is conical tooth wheels with the transmission device that stepper motor (17) output shaft is connected.
3. small narrow band bending straightener according to claim 1, it is characterized in that: two pairs of vertical rod bottoms on smoothing roll frame (14) both sides have chute, the rotating shaft end head of two lower compression rollers (2) is through at respectively in chute and by former and later two and moves cross bar (16) level connection joint, the vertical adjustment screw (15) that is installed with the upper and lower displacement amount of adjustable lower compression roller between the forward and backward horizontal cross bar centre position of smoothing roll frame (14) and forward and backward mobile cross bar (16).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201110447190.8A CN102513411B (en) | 2011-12-28 | 2011-12-28 | Small narrow band bending straightener |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201110447190.8A CN102513411B (en) | 2011-12-28 | 2011-12-28 | Small narrow band bending straightener |
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CN102513411A CN102513411A (en) | 2012-06-27 |
CN102513411B true CN102513411B (en) | 2014-09-03 |
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CN201110447190.8A Expired - Fee Related CN102513411B (en) | 2011-12-28 | 2011-12-28 | Small narrow band bending straightener |
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Families Citing this family (1)
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CN108801818A (en) * | 2018-05-30 | 2018-11-13 | 上海与德通讯技术有限公司 | Bending mechanism |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1424154A (en) * | 2002-12-31 | 2003-06-18 | 赵新林 | Process and apparatus for producing super-thin precisive band steel |
CN2756348Y (en) * | 2004-11-23 | 2006-02-08 | 中色科技股份有限公司 | Automatic belt pass through device for stretch bending and flattening tension roller |
CN201067842Y (en) * | 2007-08-01 | 2008-06-04 | 许晓明 | High precision leveling stretch bending composite machine |
EP1955787A1 (en) * | 2007-02-07 | 2008-08-13 | Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh | Method and device for stretching metal strips by traction |
CN101585058A (en) * | 2008-05-22 | 2009-11-25 | 上海精翔实业有限公司 | Band steel stretch-bending straightening system capable of controlling elongation rate and control method thereof |
CN101767126A (en) * | 2008-12-29 | 2010-07-07 | 襄樊博亚精工机器有限公司 | Stretch bending-straightening machine |
CN201751029U (en) * | 2010-02-26 | 2011-02-23 | 山西太钢不锈钢股份有限公司 | Improved stretching and bending corrector |
CN202398658U (en) * | 2011-12-28 | 2012-08-29 | 昆明理工大学 | Small narrowband bending and straightening machine |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007006810B3 (en) * | 2007-02-07 | 2008-10-02 | Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh | Device for leveling metal strips |
-
2011
- 2011-12-28 CN CN201110447190.8A patent/CN102513411B/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1424154A (en) * | 2002-12-31 | 2003-06-18 | 赵新林 | Process and apparatus for producing super-thin precisive band steel |
CN2756348Y (en) * | 2004-11-23 | 2006-02-08 | 中色科技股份有限公司 | Automatic belt pass through device for stretch bending and flattening tension roller |
EP1955787A1 (en) * | 2007-02-07 | 2008-08-13 | Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh | Method and device for stretching metal strips by traction |
CN201067842Y (en) * | 2007-08-01 | 2008-06-04 | 许晓明 | High precision leveling stretch bending composite machine |
CN101585058A (en) * | 2008-05-22 | 2009-11-25 | 上海精翔实业有限公司 | Band steel stretch-bending straightening system capable of controlling elongation rate and control method thereof |
CN101767126A (en) * | 2008-12-29 | 2010-07-07 | 襄樊博亚精工机器有限公司 | Stretch bending-straightening machine |
CN201751029U (en) * | 2010-02-26 | 2011-02-23 | 山西太钢不锈钢股份有限公司 | Improved stretching and bending corrector |
CN202398658U (en) * | 2011-12-28 | 2012-08-29 | 昆明理工大学 | Small narrowband bending and straightening machine |
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CN102513411A (en) | 2012-06-27 |
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