CN215965665U

CN215965665U - Industrial steel plate bending equipment

Info

Publication number: CN215965665U
Application number: CN202121373227.2U
Authority: CN
Inventors: 许暘
Original assignee: Jinan Chenqing Metallurgical Material Co ltd
Current assignee: Jinan Chenqing Metallurgical Material Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-03-08
Anticipated expiration: 2031-06-21

Abstract

The utility model relates to bending equipment, in particular to industrial steel plate bending equipment. The technical problems of the utility model are as follows: the utility model provides a can automatic feeding and can press from both sides tight industry steel sheet equipment of bending to the steel sheet. The utility model provides industrial steel plate bending equipment which comprises a base plate, a first support frame, a gravity block, a bending mechanism, a material pushing mechanism, a resetting mechanism and a clamping mechanism, wherein the first support frame is arranged on one side of the top of the base plate, the bending mechanism is arranged on the upper portion of the inner side of the first support frame, the gravity block is arranged on the bending mechanism, the material pushing mechanism is arranged on the top of the base plate, the resetting mechanism is arranged on the material pushing mechanism, and the clamping mechanism is arranged on the resetting mechanism. According to the utility model, through the matching of the bending mechanism, the pushing mechanism, the blanking mechanism and the pressing mechanism, the blanking can be automatically carried out when the steel plate is subjected to bending processing, so that the operation of people is facilitated, and the time and the energy of people are saved.

Description

Industrial steel plate bending equipment

Technical Field

The utility model relates to bending equipment, in particular to industrial steel plate bending equipment.

Background

The steel plate is a flat steel material which is cast by molten steel and pressed after cooling, can be directly rolled or cut by a wide steel belt, occupies an important position in industrial production and processing, needs to be processed in certain processing processes at present, and needs steel plate bending equipment when the steel plate is bent.

In the existing steel plate bending device, partial devices also need manual feeding, so that people need to additionally spend time for feeding when steel plates are bent, and the existing device is used for bending steel plates, and the steel plates are not well fixed, so that the steel plates are easy to shake when the steel plates are bent, and the processing yield of the steel plates is low, therefore, the industrial steel plate bending equipment capable of automatically feeding and clamping the steel plates is designed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects that when people use the existing steel plate bending device, feeding needs to be carried out manually, and a steel plate is easy to shake during bending, the utility model has the technical problems that: the utility model provides a can automatic feeding and can press from both sides tight industry steel sheet equipment of bending to the steel sheet.

The technical implementation scheme of the utility model is as follows: the utility model provides an industrial steel plate equipment of bending, is including bottom plate, first support frame, gravity piece, the mechanism of bending, pushing equipment, canceling release mechanical system and clamping mechanism, and bottom plate top one side is equipped with first support frame, and the inboard upper portion of first support frame is equipped with the mechanism of bending, is equipped with the gravity piece in the mechanism of bending, and the bottom plate top is equipped with pushing equipment, is equipped with canceling release mechanical system in the pushing equipment, is equipped with clamping mechanism in the canceling release mechanical system.

Further, the bending mechanism comprises a first pull rope, a first fixing plate, seventh supporting plates, a first movable plate and a first rotating rod, the first rotating rod is rotatably arranged on the upper portion of the inner side of the first supporting frame, the two seventh supporting plates are arranged on the upper portion of the first supporting frame, the seventh supporting plates are connected with the first rotating rod in a rotating mode, the first movable plate is slidably arranged between the lower portions of the inner sides of the seventh supporting plates and blocks the bottom of the gravity block, the first pull rope is wound on the middle side of the first rotating rod, a first fixing plate is arranged on the first pull rope, and the bottom of the first fixing plate is connected with the gravity block.

Further, pushing equipment is including first backup pad, servo motor, the second backup pad, the fried dough twist axle, first support column, drive assembly and second fly leaf, bottom plate top one side is equipped with first backup pad, first backup pad top is equipped with servo motor, the both sides of bottom plate top one side all are equipped with the second backup pad, the equal rotary type in second backup pad upper portion is equipped with the fried dough twist axle, fried dough twist axle one side and servo motor's output shaft of one side, the both sides of bottom plate top one side all are equipped with first support column, the fried dough twist axle all is connected with the first support column upper portion one side rotary type of homonymy, be equipped with drive assembly between one side of fried dough twist axle, the equal screw thread formula in one side of fried dough twist axle is equipped with the second fly leaf, the second fly leaf is located one side of drive assembly.

Further, canceling release mechanical system all is equipped with 3 third springs including third backup pad, first ratchet and first ratchet on the inboard upper portion of second fly leaf, and third backup pad top all is slidingtype and is equipped with first ratchet, all is equipped with 3 between first ratchet and the third backup pad top, and the both sides of first bull stick all are equipped with first ratchet, and first ratchet is located the outside of seventh backup pad, first ratchet and the cooperation of first ratchet.

Further, clamping mechanism all is equipped with the third fixed plate including third fixed plate, second support column, second spring and third fly leaf in the inboard lower part of third backup pad, and third fixed plate upper portion all is equipped with 3 second support columns, and all slidingtype is equipped with the third fly leaf between the second support column lower part, all is equipped with 3 second springs between third fly leaf top and the third fixed plate.

Further comprises a blanking mechanism, the blanking mechanism comprises a second support frame, a material placing frame, a fourth support plate, second ratchet bars, a second fixed plate, a second ratchet wheel, a second rotating rod, a second pull rope, a push plate, a first spring and a second movable block, 4 second support frames are arranged at intervals in the middle of one side of the top of the bottom plate, the material placing frame is arranged between the upper parts of the second support frames, the fourth support plate is arranged at the lower part of the third fixed plate at one side, the second ratchet bars are arranged at one side of the fourth support plate in a sliding manner, 3 fourth springs are arranged between the top of the second ratchet bars and the fourth support plate, two second fixed plates are arranged at one side of the bottom of the material placing frame, the second rotating rod is rotatably arranged between the lower parts of the second fixed plates, the second ratchet wheel is arranged at one side of the second rotating rod, the second ratchet wheel is matched with the second ratchet bars, the second pull rope is wound at one side of the second rotating rod, and a torsion spring is arranged between one side of the second fixed plate at one side of the second rotating rod, blowing frame bottom middle side slidingtype is equipped with the push pedal, is equipped with two fifth springs between push pedal one side and the blowing frame, and the second stay cord other end is connected with the push pedal downside, and push pedal upper portion both sides all slidingtype is equipped with the second movable block, all is equipped with first spring between second movable block bottom and the push pedal.

Further, still including discharge mechanism, discharge mechanism is including the fifth backup pad, the gear, the third bull stick, the third movable block, sixth backup pad and rack, third fixed plate one side lower part all is equipped with the fifth backup pad, the rotary type is equipped with the third bull stick between the fifth backup pad inboard, third bull stick both sides all are equipped with the gear, the third bull stick medial side is equipped with the third movable block, the both sides of bottom plate top one side all are equipped with the sixth backup pad, the sixth backup pad is located one side of first support column, sixth backup pad top all is equipped with the rack, the wheel and rack cooperation.

Further, a handle is arranged on one side of the first movable plate.

The utility model has the following advantages: 1. according to the utility model, through the matching of the bending mechanism, the pushing mechanism, the blanking mechanism and the pressing mechanism, the blanking can be automatically carried out when the steel plate is subjected to bending processing, so that the operation of people is facilitated, and the time and the energy of people are saved.

2. According to the utility model, through the matching of the clamping mechanism and the discharging mechanism, the steel plate can be clamped when being subjected to bending processing, so that the position of the steel plate is stabilized, the steel plate is prevented from shaking during the bending processing, and the finished product rate of the steel plate processing is improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

FIG. 2 is a schematic view of a first partial body structure according to the present invention.

FIG. 3 is a schematic view of a second partial body structure according to the present invention.

Fig. 4 is a perspective view of a third embodiment of the present invention.

Fig. 5 is a perspective view of a fourth embodiment of the present invention.

FIG. 6 is a schematic view of a fifth partial body structure according to the present invention.

FIG. 7 is a schematic view of a sixth partial body structure according to the present invention.

FIG. 8 is a schematic view of a seventh partial body structure according to the present invention.

Fig. 9 is a schematic perspective view of an eighth partial structure of the present invention.

In the above drawings: 1: bottom plate, 2: first support frame, 3: gravity block, 6: bending mechanism, 61: first cord, 62: first fixing plate, 63: seventh support plate, 64: first movable plate, 65: first rotating rod, 7: material pushing mechanism, 71: first support plate, 72: servo motor, 73: second support plate, 74: twist shaft, 75: first support column, 76: transmission assembly, 77: second movable plate, 8: reset mechanism, 81: third support plate, 82: first ratchet, 83: first ratchet, 9: unloading mechanism, 91: second support frame, 92: blowing frame, 93: fourth support plate, 94: second ratchet, 95: second fixing plate, 96: second ratchet, 97: second rotating lever, 98: second cord, 99: push plate, 910: first spring, 911: second movable block, 10: clamping mechanism, 101: third fixing plate, 102: second support column, 103: second spring, 104: third movable plate, 11: discharge mechanism, 111: fifth support plate, 112: gear, 113: third rotating shaft, 114: third movable block, 115: sixth support plate, 116: a rack.

Detailed Description

Reference herein to an embodiment means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the utility model. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Example 1

An industrial steel plate bending device is shown in fig. 1, fig. 2, fig. 3, fig. 7 and fig. 8 and comprises a bottom plate 1, a first support frame 2, a gravity block 3, a bending mechanism 6, a material pushing mechanism 7, a resetting mechanism 8 and a clamping mechanism 10, wherein the first support frame 2 is arranged on the rear side of the top of the bottom plate 1, the bending mechanism 6 is arranged on the upper portion of the inner side of the first support frame 2, the gravity block 3 is arranged on the bending mechanism 6, the material pushing mechanism 7 is arranged on the top of the bottom plate 1, the resetting mechanism 8 is arranged on the material pushing mechanism 7, and the clamping mechanism 10 is arranged on the resetting mechanism 8.

The bending mechanism 6 comprises a first pull rope 61, a first fixing plate 62, seventh supporting plates 63, first movable plates 64 and first rotating rods 65, the first rotating rods 65 are rotatably arranged on the upper portion of the inner side of the first supporting frame 2, the two seventh supporting plates 63 are arranged on the upper portion of the first supporting frame 2, the seventh supporting plates 63 are rotatably connected with the first rotating rods 65, the first movable plates 64 are slidably arranged between the lower portions of the inner sides of the seventh supporting plates 63, the first movable plates 64 block the bottom of the gravity block 3, the first pull rope 61 is wound on the middle side of the first rotating rods 65, the first fixing plate 62 is arranged on the first pull rope 61, and the bottom of the first fixing plate 62 is connected with the gravity block 3.

The material pushing mechanism 7 comprises a first supporting plate 71, a servo motor 72, a second supporting plate 73, a twisted shaft 74, first supporting columns 75, a transmission assembly 76 and a second movable plate 77, the first supporting plate 71 is arranged at the left part of the front side of the top of the bottom plate 1, the servo motor 72 is arranged at the top of the first supporting plate 71, the second supporting plates 73 are arranged at the left and right sides of the front side of the top of the bottom plate 1, the twisted shaft 74 is rotatably arranged at the upper part of the second supporting plate 73, the front side of the twisted shaft 74 at the left side is connected with an output shaft of the servo motor 72, the first supporting columns 75 are arranged at the left and right sides of the rear side of the top of the bottom plate 1, the twisted shaft 74 is rotatably connected with the front sides of the upper parts of the first supporting columns 75 at the same side, the transmission assembly 76 is arranged between the front sides of the twisted shaft 74, the transmission assembly 76 is composed of 2 belt pulleys and 1 belt, 1 belt pulley is arranged at the front side of the twisted shaft 74, and a belt is wound between the belt pulleys, the front side of the twist shaft 74 is provided with a second movable plate 77 in a threaded manner, and the second movable plate 77 is located at the rear side of the transmission assembly 76.

The reset mechanism 8 includes a third support plate 81, a first ratchet 82 and a first ratchet 83, the third support plate 81 is disposed on the upper portion of the inner side of the second movable plate 77, the first ratchet 82 is slidably disposed on the top of the third support plate 81, 3 third springs are disposed between the first ratchet 82 and the top of the third support plate 81, the first ratchet 83 is disposed on the left and right sides of the first rotating rod 65, the first ratchet 83 is disposed on the outer side of the seventh support plate 63, and the first ratchet 83 is engaged with the first ratchet 82.

The clamping mechanism 10 includes a third fixed plate 101, second supporting columns 102, second springs 103 and a third movable plate 104, the third fixed plate 101 is disposed on the lower portion of the inner side of the third supporting plate 81, 3 second supporting columns 102 are disposed on the upper portion of the third fixed plate 101, the third movable plates 104 are slidably disposed between the lower portions of the second supporting columns 102, and 3 second springs 103 are disposed between the top of the third movable plate 104 and the third fixed plate 101.

When people need to bend the steel plate, the steel plate is firstly placed between the third movable plate 104 and the third fixed plate 101, at this time, the steel plate can press the third movable plate 104 to move upwards, the second spring 103 is compressed, the third movable plate 104 can clamp the steel plate under the action of the second spring 103, then the servo motor 72 is started to control the servo motor 72 to rotate forwards, the output shaft of the servo motor 72 drives the left twist shaft 74 to rotate, so that the right twist shaft 74 is driven to rotate through the transmission assembly 76, under the action of the internal thread of the second movable plate 77, the twist shaft 74 drives the second movable plate 77 and the third support plate 81 to move backwards, so that the third support plate 81 drives all the components on the third support plate to move backwards, so as to drive the steel plate to move backwards, when the steel plate moves to be positioned under the first movable plate 64, the first movable plate 64 is manually pulled to move backwards, and when the first movable plate 64 is separated from the gravity block 3, under the action of gravity, the gravity block 3 drives the first fixing plate 62 and the first pull rope 61 to move downwards, when the gravity block 3 contacts with the steel plate, the gravity block 3 bends the steel plate, the bent steel plate continues to move backwards, when the first ratchet 82 contacts with the first ratchet 83, the first ratchet 83 presses the first ratchet 82 to move downwards, the third spring compresses, when the first ratchet 82 is separated from the first ratchet 83, the third spring restores the original state, the third spring drives the first ratchet 82 to move upwards for resetting, then people manually take down the bent steel plate, when the bent steel plate is separated from the third movable plate 104, the second spring 103 restores the original state, the second spring 103 drives the third movable plate 104 to move downwards for resetting, then the servo motor 72 is controlled to rotate reversely, the output shaft of the servo motor 72 drives the left hemp shaft 74 to rotate reversely, so that the right hemp shaft 74 is driven to rotate reversely by the transmission assembly 76, the twist shaft 74 drives the second movable plate 77 and the third support plate 81 to move forward for resetting, so that the third support plate 81 drives all the components thereon to move forward for resetting, when the first ratchet 82 contacts the first ratchet 83 again, the first ratchet 82 drives the first ratchet 83 to rotate, the first ratchet 83 drives the first rotating rod 65 to rotate, the first rotating rod 65 winds up the first pulling rope 61, the first pulling rope 61 drives the first fixed plate 62 and the gravity block 3 to move upward for resetting, then the first movable plate 64 is pushed to move forward for resetting, so that the first movable plate 64 blocks the gravity block 3 again, when the first ratchet 82 separates from the first ratchet 83 again, the first ratchet 83 stops rotating, the first rotating rod 65 stops rotating, the first fixed plate 62, the first pulling rope 61 and the gravity block 3 stop moving, and when the second movable plate 77 completely resets, the servo motor 72 is turned off, and the above-mentioned rotations stop completely, when people need to bend the steel plate, the operation is repeated.

Example 2

On the basis of embodiment 1, as shown in fig. 1, 4, 5, 6 and 9, the blanking device 9 further includes a blanking mechanism 9, the blanking mechanism 9 includes a second support frame 91, a material placing frame 92, a fourth support plate 93, a second ratchet 94, a second fixing plate 95, a second ratchet 96, a second rotating rod 97, a second pull rope 98, a push plate 99, a first spring 910 and a second movable block 911, 4 second support frames 91 are arranged at intervals in the middle of the front side of the top of the bottom plate 1, the material placing frame 92 is arranged between the upper portions of the second support frames 91, the fourth support plate 93 is arranged at the lower portion of the third fixing plate 101 at the left side, the second ratchet 94 is arranged at the front side of the fourth support plate 93 in a sliding manner, 3 fourth springs are arranged between the top of the second ratchet 94 and the fourth support plate 93, two second fixing plates 95 are arranged at the left side of the bottom of the material placing frame 92, the second rotating rod 97 is arranged between the lower portions of the second fixing plates 95 in a rotating manner, second bull stick 97 left side is equipped with second ratchet 96, second ratchet 96 and the cooperation of second ratchet 94, second bull stick 97 right side is around having second stay cord 98, be equipped with the torsional spring between second fixed plate 95 on second bull stick 97 right side and right side, blowing frame 92 bottom medial side slidingtype is equipped with push pedal 99, be equipped with two fifth springs between push pedal 99 front side and the blowing frame 92, the second stay cord 98 other end is connected with push pedal 99 downside, push pedal 99 upper portion left and right sides all slidingtype is equipped with second movable block 911, all be equipped with first spring 910 between second movable block 911 bottom and the push pedal 99.

When a person needs to bend the steel plates, a plurality of steel plates can be placed in the material placing frame 92, when the third fixing plate 101 moves backwards, the left third fixing plate 101 drives the fourth supporting plate 93 and the second ratchet 94 to move backwards, when the second ratchet 94 contacts with the second ratchet 96, the second ratchet 96 presses the second ratchet 94 to move upwards, the fourth spring compresses, when the second ratchet 94 separates from the second ratchet 96, the fourth spring restores the original shape, the fourth spring drives the second ratchet 96 to move downwards to restore the original shape, when the third fixing plate 101 moves forwards, the left third fixing plate 101 drives the fourth supporting plate 93 and the second ratchet 94 to move forwards, when the second ratchet 94 contacts with the second ratchet 96, the second ratchet 94 drives the second ratchet 96 and the second rotating rod 97, at the moment, the torsion spring deforms, the second rotating rod 97 winds up the second pulling rope 98, the second pull rope 98 pulls the push plate 99 to move backwards, the fifth spring is stretched, the push plate 99 drives all the components on the push plate 99 to move backwards, so that the push plate 99 pushes the lowest steel plate in the material placing frame 92 to move backwards to a position between the bottom of the third movable plate 104 and the third fixed plate 101, the material placing frame 92 blocks the movement of the remaining steel plate, when the lowest steel plate is separated from the remaining steel plate, the remaining steel plate moves downwards, when the second ratchet bar 94 is separated from the second ratchet 96, the torsion spring restores the original shape, the torsion spring drives the second ratchet 96 and the second rotating rod 97 to rotate reversely, the second rotating rod 97 releases the second pull rope 98, the fifth spring resets, the fifth spring drives the push plate 99 to move forwards and reset, the push plate 99 drives all the components on the push plate 99 to move forwards and reset, when the second movable block 911 is contacted with the remaining steel plate, the remaining steel plate can push the second movable block 911 to move downwards, the first spring 910 is compressed, when the second movable block 911 is separated from the remaining steel plate, the first spring 910 is restored to its original state, and the first spring 910 drives the second movable block 911 to move upward and return, thereby completing the automatic feeding function.

Still including discharge mechanism 11, discharge mechanism 11 is including fifth backup pad 111, gear 112, third bull stick 113, third movable block 114, sixth backup pad 115 and rack 116, third fixed plate 101 rear side lower part all is equipped with fifth backup pad 111, the rotary type is equipped with third bull stick 113 between the fifth backup pad 111 inboard, the third bull stick 113 left and right sides all is equipped with gear 112, third bull stick 113 middle side is equipped with third movable block 114, the left and right sides of bottom plate 1 top rear side all is equipped with sixth backup pad 115, sixth backup pad 115 is located the front side of first support column 75, sixth backup pad 115 top all is equipped with rack 116, gear 112 and rack 116 cooperation.

When the steel plate moves between the bottom of the third movable plate 104 and the third fixed plate 101, the third movable block 114 blocks the lowest steel plate from moving, and stabilizes the position of the steel plate, when the third fixed plate 101 moves to the rear side, the third fixed plate 101 drives the fifth support plate 111, the third rotating rod 113, the gear 112 and the third movable block 114 to move to the rear side, when the gear 112 is engaged with the rack 116, the rack 116 drives the gear 112 to rotate, the gear 112 drives the third rotating rod 113 and the third movable block 114 to rotate, so that the third movable block 114 does not block the lowest steel plate any more, and after people take down the bent steel plate, when the third fixed plate 101 moves to the front side, the rack 116 drives the gear 112 to rotate reversely, and the gear 112 drives the third rotating rod 113 and the third movable block 114 to rotate reversely to reset.

The above description is only an example of the present invention and is not intended to limit the present invention. All equivalents which come within the spirit of the utility model are therefore intended to be embraced therein. Details not described herein are well within the skill of those in the art.

Claims

1. The utility model provides an industrial steel plate equipment of bending, including bottom plate (1), first support frame (2) and gravity piece (3), bottom plate (1) top one side is equipped with first support frame (2), characterized by, still including bending mechanism (6), pushing equipment (7), canceling release mechanical system (8) and clamping mechanism (10), first support frame (2) inboard upper portion is equipped with bending mechanism (6), be equipped with gravity piece (3) on bending mechanism (6), bottom plate (1) top is equipped with pushing equipment (7), be equipped with canceling release mechanical system (8) on pushing equipment (7), be equipped with clamping mechanism (10) on canceling release mechanical system (8).

2. An industrial steel plate bending apparatus according to claim 1, wherein the bending mechanism (6) includes a first pulling rope (61), a first fixing plate (62), seventh backup pad (63), first fly leaf (64) and first bull stick (65), first support frame (2) inboard upper portion rotary type is equipped with first bull stick (65), first support frame (2) upper portion middle side is equipped with two seventh backup pads (63), seventh backup pad (63) all are connected with first bull stick (65) rotary type, slidingtype is equipped with first fly leaf (64) between seventh backup pad (63) inboard lower part, first fly leaf (64) block gravity piece (3) bottom, first bull stick (65) medial side is around having first stay cord (61), be equipped with first fixed plate (62) on first stay cord (61), first fixed plate (62) bottom is connected with gravity piece (3).

3. The industrial steel plate bending device according to claim 2, wherein the pushing mechanism (7) comprises a first support plate (71), a servo motor (72), a second support plate (73), a twist shaft (74), a first support column (75), a transmission assembly (76) and a second movable plate (77), the first support plate (71) is arranged on one side of the top of the bottom plate (1), the servo motor (72) is arranged on the top of the first support plate (71), the second support plate (73) is arranged on both sides of one side of the top of the bottom plate (1), the twist shaft (74) is rotatably arranged on the upper portion of the second support plate (73), one side of the twist shaft (74) is connected with an output shaft of the servo motor (72), the first support column (75) is arranged on both sides of one side of the top of the bottom plate (1), and the twist shaft (74) is rotatably connected with one side of the upper portion of the first support column (75) on the same side, a transmission assembly (76) is arranged between one side of the twist shafts (74), a second movable plate (77) is arranged on one side of each twist shaft (74) in a threaded manner, and the second movable plate (77) is positioned on one side of the transmission assembly (76).

4. An industrial steel plate bending apparatus according to claim 3, wherein the returning mechanism (8) comprises a third support plate (81), a first ratchet bar (82) and a first ratchet wheel (83), the third support plate (81) is disposed on the upper portion of the inner side of the second movable plate (77), the first ratchet bar (82) is slidably disposed on the top of the third support plate (81), 3 third springs are disposed between the first ratchet bar (82) and the top of the third support plate (81), the first ratchet wheel (83) is disposed on each of two sides of the first rotating rod (65), the first ratchet wheel (83) is disposed on the outer side of the seventh support plate (63), and the first ratchet wheel (83) is engaged with the first ratchet bar (82).

5. An industrial steel plate bending apparatus according to claim 4, wherein the clamping mechanism (10) comprises a third fixed plate (101), second supporting columns (102), second springs (103) and a third movable plate (104), the third fixed plate (101) is disposed at the lower portion of the inner side of the third supporting plate (81), 3 second supporting columns (102) are disposed at the upper portion of the third fixed plate (101), the third movable plate (104) is slidably disposed between the lower portions of the second supporting columns (102), and 3 second springs (103) are disposed between the top portion of the third movable plate (104) and the third fixed plate (101).

6. The industrial steel plate bending device according to claim 5, further comprising a blanking mechanism (9), wherein the blanking mechanism (9) comprises a second support frame (91), a material placing frame (92), a fourth support plate (93), a second ratchet bar (94), a second fixing plate (95), a second ratchet wheel (96), a second rotating rod (97), a second pull rope (98), a push plate (99), a first spring (910) and a second movable block (911), 4 second support frames (91) are arranged at intervals in the middle of one side of the top of the bottom plate (1), the material placing frame (92) is arranged between the upper portions of the second support frames (91), the fourth support plate (93) is arranged on the lower portion of the third fixing plate (101) on one side, the second ratchet bar (94) is arranged on one side of the fourth support plate (93) in a sliding manner, and 3 fourth springs are arranged between the top of the second ratchet bar (94) and the fourth support plate (93), two second fixing plates (95) are arranged on one side of the bottom of the material placing frame (92), a second rotating rod (97) is arranged between the lower portions of the second fixing plates (95) in a rotating mode, a second ratchet wheel (96) is arranged on one side of the second rotating rod (97), the second ratchet wheel (96) is matched with a second ratchet strip (94), a second pull rope (98) is wound on one side of the second rotating rod (97), a torsion spring is arranged between one side of the second rotating rod (97) and the second fixing plate (95) on one side of the second rotating rod (97), a push plate (99) is arranged on the middle side of the bottom of the material placing frame (92) in a sliding mode, two fifth springs are arranged between one side of the push plate (99) and the material placing frame (92), the other end of the second pull rope (98) is connected with the lower side of the push plate (99), second movable blocks (911) are arranged on two sides of the upper portion of the push plate (99) in a sliding mode, and first springs (910) are arranged between the bottom of the second movable blocks (911) and the push plate (99).

7. An industrial steel plate bending apparatus according to claim 6, further comprising a discharging mechanism (11), wherein the discharging mechanism (11) comprises a fifth support plate (111), a gear (112), and a third rotating bar (113), third movable block (114), sixth backup pad (115) and rack (116), third fixed plate (101) one side lower part all is equipped with fifth backup pad (111), the rotary type is equipped with third bull stick (113) between fifth backup pad (111) inboard, third bull stick (113) both sides all are equipped with gear (112), third bull stick (113) medial side is equipped with third movable block (114), the both sides of bottom plate (1) top one side all are equipped with sixth backup pad (115), sixth backup pad (115) are located one side of first support column (75), sixth backup pad (115) top all is equipped with rack (116), gear (112) and rack (116) cooperation.

8. An industrial steel plate bending apparatus according to claim 2, wherein the first movable plate (64) is provided with a handle at one side thereof.