CN111589896A

CN111589896A - Uncoiling device of cold bending forming machine

Info

Publication number: CN111589896A
Application number: CN202010324351.3A
Authority: CN
Inventors: 李渊; 董圣杨; 沈业东
Original assignee: Nanjing Dongsheng Racking Manufacturing Co ltd
Current assignee: Nanjing Dongsheng Racking Manufacturing Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-08-28
Anticipated expiration: 2040-04-23
Also published as: CN111589896B

Abstract

The invention relates to an uncoiling device of a cold-bending forming machine, which relates to the technical field of cold-bending forming machine equipment and comprises a bearing plate fixed on the ground, a supporting plate hinged on the bearing plate, a roller rotatably connected on the side wall of the supporting plate and a driving piece for driving the roller to rotate, wherein a first servo cylinder is hinged on the bearing plate, a support is arranged on the side wall of the supporting plate, a piston rod of the first servo cylinder is hinged with the support, and a tensioning piece for tensioning a steel coil is arranged on the roller; a foundation pit is arranged on the ground, a hydraulic cylinder is arranged in the foundation pit, and a piston rod of the hydraulic cylinder is connected with a material plate for horizontally placing the steel coil. The invention has the effect of reducing the uncoiling time of the steel coil.

Description

Uncoiling device of cold bending forming machine

Technical Field

The invention relates to the technical field of cold-bending forming machine equipment, in particular to an uncoiling device of a cold-bending forming machine.

Background

The cold-bending forming machine is a plastic processing machine for continuously bending metal plate strips such as coiled materials, strip materials and the like through a plurality of forming rollers which are sequentially arranged to manufacture a section with a specific section.

Chinese patent No. CN206065129U discloses a cold roll forming machine, which comprises a frame, wherein the frame is provided with a feeding mechanism, a cold roll forming mechanism, a straightening mechanism and a cutting mechanism, and the cold roll forming mechanism is connected with a driving mechanism. The cold roll forming mechanism comprises at least two roll sets, and each roll set comprises two supporting memorial archways. An upper roller pressing shaft and a lower roller pressing shaft are arranged between the supporting memorial archways in the roller group. Its characteristics are that actuating mechanism includes the gear box, go up the one end of roller and lower roller and all be located the gear box, and go up the roller and have driven gear with the epaxial driven gear of lower roller, have big linkage gear between the driven gear of two continuous lower rollers, and equal interval arrangement has little linkage gear train between the driven gear of roller on two adjacent.

However, in the process of actually processing the shelf section, the raw material is usually a steel coil, the steel coil is uncoiled by an uncoiler during feeding of the cold-bending forming machine, the uncoiled steel coil is conveyed to the cold-bending forming machine for cold-rolling forming, and traditional uncoiling requires an operator to hoist the steel coil from a stacking place by using a travelling crane, the steel coil is moved to the uncoiler, the position of the steel coil is adjusted again to enable the steel coil to be sleeved on a tension roller of the uncoiler, and the uncoiling time is long.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the uncoiling device of the cold-bending forming machine, which has the effect of reducing the uncoiling time of a steel coil.

The above object of the present invention is achieved by the following technical solutions: an uncoiling device of a cold-bending forming machine comprises a bearing plate fixed on the ground, a supporting plate hinged to the bearing plate, a roller rotatably connected to the side wall of the supporting plate and a driving piece used for driving the roller to rotate, wherein a first servo cylinder is hinged to the bearing plate, a support is arranged on the side wall of the supporting plate, a piston rod of the first servo cylinder is hinged to the support, and a tensioning piece used for tensioning a steel coil is arranged on the roller; be equipped with the foundation ditch on the ground, be equipped with the pneumatic cylinder in the foundation ditch, be connected with the material board that is used for keeping flat the coil of strip on the piston rod of pneumatic cylinder.

Through adopting above-mentioned technical scheme, when opening a book, first servo cylinder starts, promote the backup pad and rotate downwards for the roller inserts the coil of strip inner circle, tensioning member starts, it is fixed with the coil of strip and roller, first servo cylinder drive backup pad gyration is reset afterwards, driving piece drive roller drives the coil of strip and rotates, the operation of opening a book is accomplished, and convenient and fast need not operator manual adjustment, has both reduced the coil of strip and has opened a book the required time, does benefit to again and alleviate operator work burden, realizes the automation and the continuity of processing.

The present invention in a preferred example may be further configured to: the driving piece comprises a driven gear arranged on the side wall of the roller, a servo motor and a speed reducer, wherein the servo motor and the speed reducer are installed on the supporting plate, a motor shaft of the servo motor is connected with an input shaft of the speed reducer, and an output shaft of the speed reducer is connected with a driving gear meshed with the driven gear.

Through adopting above-mentioned technical scheme, servo motor starts, and the input shaft of drive speed reducer rotates, and the input shaft drives the output shaft through the transmission and rotates to make the driving gear drive driven gear rotate, the roller rotates, and the transmission is more accurate, and is efficient.

The present invention in a preferred example may be further configured to: the tensioning part comprises a central shaft rotationally connected in the roller and two driving discs connected to the central shaft, planar threads are arranged on the side walls of the two driving discs, a plurality of circumferentially distributed through grooves are formed in the two driving discs of the roller, a sliding block is connected in each through groove in a sliding manner, a screw groove matched with the planar threads is formed in the sliding block, and two opposite sliding blocks on the same axis are connected with an arc plate; sliding connection has the slide on the support, be equipped with step motor on the slide, be connected with the cross-section on step motor's the motor shaft and be polygonal connecting rod, the one end that the center pin is close to step motor is seted up and is supplied connecting rod male heavy groove, be equipped with second servo cylinder on the support, second servo cylinder's piston rod and slide are connected.

Through adopting above-mentioned technical scheme, step motor starts, the drive connecting rod rotates, second servo cylinder starts, promote the slide and advance, when the connecting rod contradicts with heavy groove notch, slide moving speed slows down, the connecting rod is counterpointed with heavy groove at slow rotation in-process, when the connecting rod is just to the time with heavy groove, the connecting rod inserts heavy inslot and drives two driving-discs through the center pin and rotate, the slider drives the arc board under the cooperation of plane screw thread and spiral groove and draws close each other or open, it is steady to drive, the position precision is high, and convenient control.

The present invention in a preferred example may be further configured to: be equipped with two sleeves about center pin symmetric distribution in the roller, two equal sliding connection has the gag lever post in the sleeve, compression spring and sleeve bobbin base are passed through to the one end of gag lever post and are connected, and the other end is connected with the clamp, the clamp is contradicted with the center pin and second compression spring is in by compression state.

Through adopting above-mentioned technical scheme, two clamps are cliied the center pin under compression spring's elastic thrust, have increased the degree of difficulty of center pin free rotation, have reduced the possibility that the driving-disc appears gyration at the roller rotation in-process.

The present invention in a preferred example may be further configured to: and the inner side wall of the clamp is provided with an anti-slip pad.

Through adopting above-mentioned technical scheme, the slipmat does benefit to the frictional resistance who increases between clamp and the central axis, has improved the fixed stability of coil of strip.

The present invention in a preferred example may be further configured to: and the edge of the notch of the sinking groove is provided with a chamfer.

Through adopting above-mentioned technical scheme, the chamfer has reserved certain space for the connecting rod tip, has also played the guide effect to the connecting rod simultaneously.

The present invention in a preferred example may be further configured to: the connecting rod is provided with a proximity switch, the central shaft is provided with a metal sheet, and when the proximity switch is opposite to the metal sheet, the connecting rod is opposite to the sinking groove.

Through adopting above-mentioned technical scheme, proximity switch has played the positioning action to connecting rod and heavy groove with the cooperation of sheetmetal, has saved the required time of connecting rod location, does benefit to and improves machining efficiency.

The present invention in a preferred example may be further configured to: be equipped with the ring pad between two adjacent coil of strip, the ring pad bottom surface is equipped with annular extension board, the extension board internal diameter is greater than the coil of strip internal diameter.

Through adopting above-mentioned technical scheme, the ring pad comes with the coil of strip spaced apart, produces the hindrance with other coil of strip when having reduced the fixed coil of strip of tensioning piece, and the ring pad is fixed together with the coil of strip simultaneously, and when opening a book, the ring pad has still played the loose effect of restriction coil of strip axial.

The present invention in a preferred example may be further configured to: and an elastic gasket is arranged on the inner wall of the ring gasket.

Through adopting above-mentioned technical scheme, utilize the arc board to make the elastic washer be in elastic deformation state to the extrusion of elastic washer, reserved the deviation allowance for the cooperation of ring pad inner circle and arc board, increased the fixed stability of ring pad.

The present invention in a preferred example may be further configured to: the bottom of the pit is provided with a guide sleeve, a guide pillar is inserted in the guide sleeve, and the guide pillar is connected with the bottom surface of the material plate.

By adopting the technical scheme, the guide pillar and the guide sleeve are matched to play a role in guiding the material plate, and the possibility of deflection of the material plate is reduced.

In summary, the invention includes at least one of the following beneficial technical effects:

1. the dependence degree of uncoiling operation on manpower is reduced, the uncoiling time is shortened, the processing efficiency is improved, and the action mode of the device is simple;

2. the connection rod is positioned by the matching of the proximity switch and the metal sheet, so that the insertion process of the connection rod and the sinking groove is accelerated; the ring pad is used as the interval of the steel coil on one hand, and plays a role in blocking the steel coil on the other hand.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is a schematic structural diagram of the roller and the central shaft for embodying the embodiment.

Fig. 3 is an enlarged view of a in fig. 2.

Fig. 4 is an enlarged view at B in fig. 2.

Fig. 5 is a schematic structural diagram for embodying the driving member in the present embodiment.

Fig. 6 is a schematic structural diagram for embodying the ring pad in this embodiment.

In the figure, 1, a bearing plate; 11. a support plate; 111. a support; 12. a roller; 13. a first servo cylinder; 14. a foundation pit; 15. a hydraulic cylinder; 151. a material plate; 2. a drive member; 21. a driven gear; 22. a servo motor; 23. a speed reducer; 24. a driving gear; 3. a tensioning member; 31. a central shaft; 32. a drive disc; 321. a planar thread; 33. a through groove; 34. a slider; 341. a screw groove; 35. an arc plate; 36. a slide plate; 37. a stepping motor; 371. a connecting rod; 38. sinking a groove; 381. chamfering; 39. a second servo cylinder; 4. a sleeve; 41. a limiting rod; 42. a compression spring; 43. clamping a hoop; 431. a non-slip mat; 44. a proximity switch; 45. a metal sheet; 5. a ring pad; 51. a support plate; 52. an elastic washer; 53. a guide sleeve; 54. and (6) a guide pillar.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the decoiling device of a cold-bending forming machine disclosed by the invention comprises a bearing plate 1 fixed on the ground, wherein a first servo cylinder 13 inclining upwards is hinged on the bearing plate 1, a supporting plate 11 is hinged on the bearing plate 1, a support 111 is vertically arranged on one side of the bearing plate 1 facing the first servo cylinder 13, a piston rod of the first servo cylinder 13 is hinged with one end, away from the bearing plate 1, of the support 111, when the supporting plate 11 is at an initial position, the supporting plate 11 is perpendicular to the bearing plate 1, the side wall of the supporting plate 11 is rotatably connected with a roller 12, the axis of the roller 12 is perpendicular to the supporting plate 11, a tensioning member 3 for tensioning a steel coil is arranged on the roller 12, and a driving member 2 for driving.

As shown in fig. 2 and 3, the tension member 3 includes a central shaft 31 coaxially and rotatably connected in the roller 12, the central shaft 31 is provided with two driving disks 32 coaxially distributed with the central shaft 31, and the side surfaces of the two driving disks 32 are provided with plane threads 321; roller 12 all sets up a plurality of logical grooves 33 along roller 12 axis circumference equidistance distribution in two driving-discs 32 departments, and the logical groove 33 symmetric distribution of two places, equal sliding connection has along roller 12 radial movement's slider 34 in each logical groove 33, each slider 34 all is equipped with the thread groove 341 with plane screw thread 321 engaged with towards one side of driving-disc 32, two sliders 34 relative on the axial all stretch out outside logical groove 33, and the both ends of stretching out are connected with arc board 35.

As shown in fig. 2 and 4, a sliding plate 36 is slidably connected to the support 111, the sliding plate 36 is opposite to the opening of the roller 12, a stepping motor 37 is arranged on the sliding plate 36, a connecting rod 371 is arranged on a motor shaft of the stepping motor 37, the cross section of the connecting rod 371 is in a regular hexagon shape, the connecting rod 371 and the central shaft 31 are coaxially distributed, a sinking groove 38 is formed in one end of the central shaft 31 opposite to the connecting rod 371, a chamfer 381 is arranged on the edge of a notch of the sinking groove 38, the connecting rod 371 is in plug-in fit with the sinking groove 38, a second servo cylinder 39 is arranged on the support 111, and a piston rod of the second servo cylinder 39 is connected with the sliding plate 36 to.

As shown in fig. 4, the connection rod 371 and the central shaft 31 are respectively provided with a proximity switch 44 and a metal sheet 45 at opposite ends, and when the connection rod 371 drives the proximity switch 44 to rotate to be opposite to the metal sheet 45, the connection rod 371 is opposite to the sinking groove 38, i.e. the outer contour of the connection rod 371 is matched with the inner contour of the sinking groove 38.

As shown in fig. 2 and fig. 3, two sleeves 4 symmetrically distributed about the central axis 31 are arranged at one end of the inner wall of the roller 12 far away from the support plate 11, a limiting rod 41 is slidably connected in the two sleeves 4, one end of the limiting rod 41 is connected with the bottom of the sleeve 4 through a compression spring 42, the other end of the limiting rod is connected with a hoop 43, a non-slip mat 431 is arranged on the inner side wall of the hoop 43, the compression spring 42 is in a compressed state, the limiting rod 41 enables the non-slip mat 431 to keep abutting against the central axis 31 under the elastic thrust of the compression spring 42, and the resistance of the central axis.

As shown in fig. 5, the driving member 2 includes a driven gear 21 disposed on the roller 12, a servo motor 22 and a reducer 23 are disposed on the supporting plate 11, a motor shaft of the servo motor 22 is connected to an input shaft of the reducer 23, an output shaft of the reducer 23 is connected to a driving gear 24, and the driving gear 24 is engaged with the driven gear 21.

As shown in fig. 6, a foundation pit 14 is arranged on the ground, the foundation pit 14 is located below the roller 12, a hydraulic cylinder 15 and a plurality of guide sleeves 53 distributed around the hydraulic cylinder 15 are arranged in the foundation pit 14, a material plate 151 used for stacking steel coils is connected to a piston rod of the hydraulic cylinder 15, a guide pillar 54 is inserted into each guide sleeve 53, and the guide pillar 54 is connected with the bottom surface of the material plate 151.

As shown in fig. 6, a ring pad 5 is arranged between two adjacent steel coils to separate the steel coils, the outer diameter of the ring pad 5 is larger than the outer diameter of the steel coil, the inner diameter of the ring pad 5 is not larger than the inner diameter of the steel coil, an elastic washer 52 is arranged on the inner wall of the ring pad 5, and the inner diameter of the elastic washer 52 is smaller than the inner diameter of the steel coil; the bottom surface of the ring pad 5 is provided with a support plate 51 which is coaxially distributed, and the support plate 51 is annular and the inner diameter of the support plate 51 is larger than that of the steel coil.

The implementation principle of the embodiment is as follows: when uncoiling, the first servo cylinder 13 is started to push the support plate 11 to rotate downwards to a horizontal state, so that the roller 12 penetrates through the first steel coil and the ring pad 5 below the steel coil; the second servo cylinder 39 starts, the driving sliding plate 36 advances, the stepping motor 37 starts, the driving connecting rod 371 rotates, when the distance between the proximity switch 44 and the metal sheet 45 approaches and the two are opposite, the stepping motor 37 stops, the sliding plate 36 continues to move, so that the connecting rod 371 is inserted into the sinking groove 38, the stepping motor 37 starts, the driving connecting rod 371 drives the central shaft 31 to rotate, the central shaft 31 drives the two driving disks 32 to synchronously rotate, the driving disks 32 drive the sliding blocks 34 to move outwards, so that the arc plates 35 are mutually opened to tightly abut against the inner ring and the elastic washer 52 of the steel coil, the steel coil and the ring washer 5 are fixed, the second servo cylinder 39 drives the sliding plate 36 to move back, and the connecting rod 371 is separated from the sinking groove 38.

The hydraulic cylinder 15 is started to drive the material plate 151 to descend, so that the second steel coil is far away from the first steel coil, the first servo cylinder 13 is used for supporting the plate 11 to rotate and reset, an operator cuts off a strap for bundling the steel coils, the end part of the coiled material is pulled to be sent into a roller of a cold bending forming machine, the servo motor 22 is started to drive the driving gear 24 to rotate, the driving gear 24 drives the driven gear 21 to rotate, and the roller 12 is used for driving the steel coils to rotate to release the coiled material.

After the first coil of strip is used up, second servo cylinder 39 and step motor 37 start for connecting rod 371 inserts in heavy groove 38 and drive center pin 31 rotates, and each arc board 35 is close to each other, and the operator takes off ring pad 5 alright carry out the operation of opening a book of second coil of strip, and convenient and fast, device mode of action is simple, has both reduced the required work load of operator, has saved again and has opened a book required time, makes machining efficiency improve.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides an unwinding unit of forming machine which characterized in that: the steel coil tensioning device comprises a bearing plate (1) fixed on the ground, a supporting plate (11) hinged to the bearing plate (1), a roller (12) rotatably connected to the side wall of the supporting plate (11) and a driving piece (2) used for driving the roller (12) to rotate, wherein a first servo cylinder (13) is hinged to the bearing plate (1), a support (111) is arranged on the side wall of the supporting plate (11), a piston rod of the first servo cylinder (13) is hinged to the support (111), and a tensioning piece (3) used for tensioning a steel coil is arranged on the roller (12); be equipped with foundation ditch (14) on the ground, be equipped with pneumatic cylinder (15) in foundation ditch (14), be connected with material board (151) that are used for keeping flat the coil of strip on the piston rod of pneumatic cylinder (15).

2. The uncoiling device of a cold roll forming machine according to claim 1, wherein: the driving piece (2) comprises a driven gear (21) arranged on the side wall of the roller (12), a servo motor (22) and a speed reducer (23) which are arranged on the supporting plate (11), wherein a motor shaft of the servo motor (22) is connected with an input shaft of the speed reducer (23), and an output shaft of the speed reducer (23) is connected with a driving gear (24) meshed with the driven gear (21).

3. The uncoiling device of a cold roll forming machine according to claim 1, wherein: the tensioning part (3) comprises a central shaft (31) rotatably connected in the roller (12) and two driving discs (32) connected to the central shaft (31), planar threads (321) are arranged on the side walls of the two driving discs (32), a plurality of circumferentially distributed through grooves (33) are formed in the positions of the two driving discs (32) of the roller (12), a sliding block (34) is connected in each through groove (33) in a sliding mode, a threaded groove (341) matched with the planar threads (321) is formed in each sliding block (34), and the two opposite sliding blocks (34) on the same axis are connected with an arc plate (35); sliding connection has slide (36) on support (111), be equipped with step motor (37) on slide (36), be connected with the cross-section on the motor shaft of step motor (37) and be polygonal connecting rod (371), supply connecting rod (371) male heavy groove (38) are seted up to one end that center pin (31) are close to step motor (37), be equipped with second servo cylinder (39) on support (111), the piston rod of second servo cylinder (39) is connected with slide (36).

4. The uncoiling device of a cold roll forming machine according to claim 1, wherein: be equipped with two sleeve (4) about center pin (31) symmetric distribution in roller (12), two equal sliding connection has gag lever post (41) in sleeve (4), compression spring (42) are passed through to the one end of gag lever post (41) and sleeve (4) bobbin base is connected, and the other end is connected with clamp (43), clamp (43) are contradicted with center pin (31) and second compression spring (42) are in by compression state.

5. The uncoiling device of a cold roll forming machine according to claim 4, wherein: and an anti-slip pad (431) is arranged on the inner side wall of the clamping hoop (43).

6. The uncoiling device of a cold roll forming machine according to claim 5, wherein: and a chamfer angle (381) is arranged at the edge of the notch of the sinking groove (38).

7. The uncoiling device of a cold roll forming machine according to claim 3, wherein: be equipped with proximity switch (44) on connecting rod (371), be equipped with sheetmetal (45) on center pin (31), work as proximity switch (44) are relative with sheetmetal (45), connecting rod (371) are just right with heavy groove (38).

8. The uncoiling device of a cold roll forming machine according to claim 1, wherein: be equipped with ring pad (5) between two adjacent coil of strip, ring pad (5) bottom surface is equipped with annular extension board (51), extension board (51) internal diameter is greater than the coil of strip internal diameter.

9. The uncoiling device of a cold roll forming machine according to claim 8, wherein: and an elastic gasket (52) is arranged on the inner wall of the ring gasket (5).

10. The uncoiling device of a cold roll forming machine according to claim 9, wherein: the bottom of the pit is provided with a guide sleeve (53), a guide post (54) is inserted in the guide sleeve (53), and the guide post (54) is connected with the bottom surface of the material plate (151).