CN116423223A

CN116423223A - Numerical control steel plate flattening device

Info

Publication number: CN116423223A
Application number: CN202310310126.8A
Authority: CN
Inventors: 张锦峥
Original assignee: Beijing Hths Industrial Technology Development Co ltd
Current assignee: Beijing Hths Industrial Technology Development Co ltd
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-07-14

Abstract

The utility model relates to a numerical control steel sheet is opened and is put relates to steel sheet processing equipment's technical field, it is including the conveying mechanism that sets gradually, open flat-bed machine and cutting mechanism, conveying mechanism includes the support body and rotate the material roller of connecting on the support body, open flat-bed machine and include down the organism and erect the last frame in organism top down, rotate on the organism down and be connected with a plurality of compression rollers down, be provided with the organism in the last frame, and it is connected with a plurality of compression rollers to go up to rotate on the organism, a plurality of compression rollers down and a plurality of compression rollers set up relatively in proper order, still be provided with on the last organism and be used for driving a plurality of compression roller synchronous pivoted drive assembly, the cutting machine frame is located down the organism and is kept away from the one end of support body, one side that the organism deviates from the support body down is provided with the plummer of liftable. According to the steel plate flattening device, flattening treatment and cutting treatment can be performed on the steel plate simultaneously, so that the steel plate is not required to be hoisted in the cutting process, waste of manpower and material resources is reduced, and the working efficiency is improved.

Description

Numerical control steel plate flattening device

Technical Field

The application relates to the field of steel plate processing equipment, in particular to a numerical control steel plate flattening device.

Background

In order to facilitate storage and transportation, most of steel plates are generally packaged by adopting a roll type, before a processed product is used, the rolled steel plates which are stored and bent need to be flattened, and at the moment, flattening is needed to be performed by using a flattening machine; meanwhile, after the leveling work is finished, the steel plate is cut by a cutting machine so as to obtain the steel plate with proper length required by a processed product.

At present, the machine suitable for the steel plate leveling and cutting is independently arranged, after the steel plate is leveled by the leveling machine, the steel plate needs to be lifted to the cutting machine by a vehicle or a trolley for cutting, so that manpower and material resources are wasted, the working efficiency is reduced, and the improvement is needed.

Disclosure of Invention

In order to solve the problem that the cutting machine is required to cut by lifting a vehicle or a boat car to the cutting machine in the prior art, manpower and material resources are wasted and the working efficiency is low, the application provides a numerical control steel plate flattening device.

The application provides a numerical control steel sheet open flat device adopts following technical scheme:

the utility model provides a numerical control steel sheet is opened flat-bed device, includes the conveying mechanism that sets gradually, opens flat-bed mechanism and cutting mechanism, conveying mechanism include support body and rotate connect in last material roller of support body, the material roller with the support body can dismantle the connection, open flat-bed mechanism including lower organism and erect in the last frame of organism top down, it is connected with a plurality of compression rollers down to rotate on the organism down, be provided with the last organism that can vertically go up and down in the frame, just it is connected with a plurality of compression rollers to go up to rotate on the organism, a plurality of compression rollers down with a plurality of go up the compression roller and set up relatively in proper order, go up still to be provided with on the organism and be used for driving a plurality of go up compression roller synchronous rotation's drive assembly, the cutting frame is located down the organism is kept away from the one end of support body, the organism deviates from down one side of support body is provided with the plummer that can go up and down.

Through adopting above-mentioned technical scheme, open the flattening device through setting up the steel sheet that can open flat treatment and cutting treatment simultaneously to the steel sheet for need not to hoist and mount the steel sheet in the cutting process, reduced the waste of manpower and materials, improved work efficiency.

Optionally, the support body includes first frame and second frame that bears, the material roller set up in first frame with between the second frame that bears, the material roller with first frame that bears rotates to be connected, just first frame that bears deviates from one side of material roller is provided with and is used for the drive material roller pivoted rotating electrical machines, be provided with the support on the second frame that bears, support one end with the second frame that bears is articulated mutually, just still be provided with in the support and be used for the drive the upset pneumatic cylinder of support upset, the support deviates from the one end that the second bears the frame is the arc setting and rotates and be connected with a pair of commentaries on classics roller, be used for placing between the commentaries on classics roller, just the support is kept away from the one end of second frame that bears still is provided with and is used for guaranteeing the material roller with the fastener of commentaries on classics roller connected state.

Through adopting above-mentioned technical scheme, through setting up simple structure and job stabilization's support body and the support that can overturn, realized the convenient dismouting of coil of strip, guaranteed the stability of coil of strip unreeling state simultaneously.

Optionally, the fastener includes the arc frame, arc frame one end with the support articulates mutually, and the other end wears to be equipped with the bolt, just still be provided with on the support and supply the screw thread groove that the bolt worn to establish, arc frame inboard rotates to be connected with a pair of be used for contradicting the auxiliary roller of material roller, a pair of the auxiliary roller respectively with a pair of the roller is relative to be set up.

Through adopting above-mentioned technical scheme, through setting up simple structure and convenient operation's fastener, effectively guaranteed the stability of material roller and second carrier connected state, effectively guaranteed the stability of material roller state, and then effectively guaranteed the stability of coil of strip unreeling state.

Optionally, be provided with first auxiliary frame on the first carrier, it has the spacing to articulate on the first auxiliary frame, be provided with in the first auxiliary frame and be used for the drive spacing pneumatic cylinder of spacing upset, just the spacing deviates from the one end rotation of first auxiliary frame is connected with the first spacing roller that is used for contradicting the steel sheet.

Through adopting above-mentioned technical scheme, through setting up the spacing that can overturn and be used for contradicting the first spacing roller of coil of strip, realized spacing to the steel sheet after the coil of strip unreels, avoided the steel sheet after unreeling to excessively crooked, in the steel sheet of being convenient for was carried to the uncoupling mechanism.

Optionally, the one end slope that lower organism is close to defeated material mechanism is provided with the extension board downwards, just still erect on the lower organism and be located the second auxiliary frame of extension board top, the inboard rotation of second auxiliary frame is connected with the second spacing roller that is used for contradicting the steel sheet.

Through adopting above-mentioned technical scheme, through setting up the extension board, realized the support to unreeling back steel sheet, simultaneously through setting up the second auxiliary frame and carrying out the second spacing roller of contradicting to the steel sheet, realized spacing to unreeling back steel sheet, cooperation spacing and first spacing roller have further guaranteed the steel sheet and have carried the stationarity in the mechanism of opening.

Optionally, go up the organism with go up the four ends all vertically between the frame and be provided with telescopic support column, the support column all include with go up the frame rotate the cylinder of being connected and with go up the body that the organism is connected, the cylinder wear to locate in the body and with threaded connection, just go up still be provided with a plurality of in the frame the synchronous pivoted control assembly of cylinder.

Through adopting above-mentioned technical scheme, through the lifting unit of simple structure and job stabilization, realized the lift control of last organism, and then adapted the flat processing needs of opening of different thickness steel sheets.

Optionally, the control assembly includes a pair of drive shaft, a pair of the drive shaft distribute in top both ends and rather than rotating and being connected in the upper frame, the drive shaft both ends all are provided with first bevel gear, the cylinder top all be provided with first bevel gear meshing driven second bevel gear, drive shaft one end extends to the upper frame outside and is provided with first sprocket, upper frame top is provided with the control motor that has the second sprocket, just first sprocket with the cover is equipped with the chain with the two meshing transmission on the second sprocket.

Through adopting above-mentioned technical scheme, through setting up simple structure and job stabilization's control assembly, realized the convenient rotary drive of cylinder, and then realized the convenient regulation of support column length to the convenient lifting control of last organism has been realized.

Optionally, the drive assembly includes driving motor, a plurality of driving gear and a plurality of pinion, and a plurality of driving gear sets gradually in a plurality of go up the compression roller extends to go up the outer one end of organism, a plurality of pinion sets gradually adjacent between the driving gear and with its meshing transmission, driving motor set up in on the organism and have the driving gear, just the driving gear with one of them driving gear meshing transmission.

Through adopting above-mentioned technical scheme, through setting up simple structure and job stabilization's actuating mechanism, realized the synchronous rotary drive of a plurality of last compression rollers, realized opening the flat processing to the stability of steel sheet.

Optionally, the plummer includes the base and sets up the support frame on the base, the base with the four corners position between the support frame is all vertical to be provided with the lift pneumatic cylinder.

Through adopting above-mentioned technical scheme, through setting up the plummer that stable in structure and support frame liftable, realized the convenient collection to the steel sheet after the cutting.

Optionally, the support frame deviates from the vertical baffle that is provided with of one end of organism down, the base bottom is provided with the gyro wheel that the multirow has the brake.

Through adopting above-mentioned technical scheme, through setting up the baffle, avoided the steel sheet to slide down the support frame owing to inertia, through the gyro wheel that has the brake it simultaneously, be convenient for follow-up steel sheet after will cutting removes to the processing position.

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

1. by arranging the steel plate flattening device capable of flattening and cutting the steel plate at the same time, the steel plate does not need to be hoisted in the cutting process, so that the waste of manpower and material resources is reduced, and the working efficiency is improved;

2. the fastener with simple structure and convenient operation is arranged, so that the stability of the connection state of the material roller and the second bearing frame is effectively ensured, the stability of the state of the material roller is effectively ensured, and the stability of the unreeling state of the steel coil is further effectively ensured;

3. through the lifting component with simple structure and stable work, the lifting control of the upper machine body is realized, and then the requirements of the open-flat treatment of the steel plates with different thicknesses are adapted.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a frame in an embodiment of the present application.

Fig. 3 is a schematic structural view of a flat-opening mechanism in an embodiment of the present application.

Fig. 4 is a schematic diagram illustrating a connection relationship between the upper frame and the upper body in the embodiment of the present application.

Reference numerals illustrate: 1. a material conveying mechanism; 11. a frame body; 111. a first carrier; 1111. a rotating electric machine; 112. a second carrier; 113. a bracket; 1131. a rotating roller; 1132. a thread groove; 114. a turnover hydraulic cylinder; 12. a material roller; 2. a leveling mechanism; 21. a lower body; 211. a lower press roll; 212. a support plate; 22. an upper frame; 221. an upper body; 2211. an upper press roll; 222. controlling a motor; 2221. a second sprocket; 2222. a chain; 23. a second auxiliary frame; 231. the second limit roller; 3. a cutting mechanism; 4. a carrying platform; 41. a base; 42. a support frame; 43. a lifting hydraulic cylinder; 44. a baffle; 45. a roller; 5. a fastener; 51. an arc-shaped frame; 511. a bolt; 512. an auxiliary roller; 6. a drive assembly; 61. a driving motor; 611. a drive gear; 62. a drive gear; 63. an auxiliary gear; 7. a support column; 71. a column; 711. a second bevel gear; 72. a tube body; 8. a control assembly; 81. a drive shaft; 811. a first bevel gear; 812. a first sprocket; 9. a first auxiliary frame; 91. a limiting frame; 911. a first limit roller; 92. and a limiting hydraulic cylinder.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a numerical control steel plate flattening device.

Referring to fig. 1, a numerical control steel plate flattening device comprises a material conveying mechanism 1, a flattening mechanism 2, a cutting mechanism 3 and a bearing table 4 which are sequentially arranged. The steel plate flattening device comprises a conveying mechanism 1, a flattening mechanism 2, a cutting mechanism 3 and a bearing table 4, wherein the conveying mechanism 1 is used for bearing steel coils and unreeling steel coils, the flattening mechanism 2 is used for flattening the unreeled steel plates, the cutting machine is used for cutting the steel plates subjected to flattening, and the bearing table 4 is used for placing the cut steel plates.

Referring to fig. 1 and 2, the feed mechanism 1 includes a frame 11 and a feed roller 12 rotatably connected to the frame 11. The frame 11 includes first bearing frame 111 and second bearing frame 112, and first bearing frame 111 and second bearing frame 112 dislocation set, and material roller 12 sets up between first bearing frame 111 and second bearing frame 112, and material roller 12 and first bearing frame 111 rotate to be connected, and the one side that first bearing frame 111 deviates from material roller 12 still is provided with the rotating electrical machines 1111 that is used for driving material roller 12 pivoted. The second bearing frame 112 is provided with a support 113, one end of the support 113 is arranged in the second bearing frame 112 in a penetrating manner and is in rotary connection with the second bearing frame 112, a turnover hydraulic cylinder 114 for driving the support 113 to turn over a certain angle is further arranged in the support 113, two ends of the turnover hydraulic cylinder 114 are respectively hinged with the second bearing frame 112 and the support 113, one end of the support 113, deviating from the second bearing frame 112, is in an arc shape and is provided with a pair of rotary rollers 1131, the rotary rollers 1131 are in rotary connection with the support 113, one end of the material roller 12, deviating from the first bearing frame 111, is arranged between the pair of rotary rollers 1131, and the material roller 12 is in contact with the rotary rollers 1131 so as to support the material roller 12, and the stability of the rotary state of the material roller 12 is ensured.

Referring to fig. 1 and 2, the bracket 113 is further provided with a fastening member 5, and the fastening member 5 is used to secure the connection state between the roll 12 and the rotor 1131. The fastener 5 includes an arc-shaped frame 51. The arc-shaped frame 51 is erected at one end of the bracket 113 far away from the second bearing frame 112, one end of the arc-shaped frame 51 far away from the second bearing frame 112 is hinged with one end of the bracket 113 far away from the second bearing frame 112, the other end of the arc-shaped frame 51 is provided with a bolt 511 in a penetrating mode, and the bracket 113 is provided with a thread groove 1132 for the bolt 511 to penetrate through so as to fix the arc-shaped frame 51. Meanwhile, a pair of auxiliary rollers 512 for abutting against the material roller 12 are rotatably connected to the inner side of the arc-shaped frame 51, and the pair of auxiliary rollers 512 and the pair of rotating rollers 1131 are respectively and oppositely arranged so as to clamp and fix the material roller 12, thereby further ensuring the stability of the rotation state of the material roller 12.

Referring to fig. 1 and 3, the opening mechanism 2 includes a lower body 21 and an upper frame 22. The lower machine body 21 is rotationally connected with a plurality of lower press rolls 211, the plurality of lower press rolls 211 are sequentially arranged, the upper frame 22 is erected above the lower machine body 21, an upper machine body 221 is arranged in the upper frame 22, the upper machine body 221 can vertically slide along the upper frame 22, the upper machine body 221 is rotationally connected with a plurality of upper press rolls 2211, the plurality of upper press rolls 2211 are sequentially arranged and sequentially arranged relative to the plurality of lower press rolls 211, and the upper machine body 221 is further provided with a driving assembly 6 for driving the plurality of upper press rolls 2211 to rotate together so as to drive a steel plate to be leveled along the leveling mechanism 2 and through the upper press rolls 2211 and the lower press rolls 211.

Referring to fig. 3 and 4, the driving assembly 6 includes a driving motor 61, a plurality of driving gears 62, and a plurality of auxiliary gears 63. One end of the upper press roller 2211 extends out of the upper machine body 221, the driving gears 62 are sequentially arranged at one end of the upper press roller 2211 extending out of the upper machine body 221, the auxiliary gears 63 are sequentially arranged between the adjacent driving gears 62 and are in meshed transmission with the adjacent driving gears 62, the driving motor 61 is arranged on the upper machine body 221 and is provided with a driving gear 611, the driving gear 611 is in meshed transmission with one of the driving gears 62, and then synchronous rotation of the driving gears 62 is achieved through cooperation of the driving gears 62 and the auxiliary gears 63.

Referring to fig. 3 and 4, four corners between the upper body 221 and the upper frame 22 are vertically provided with telescopic support columns 7, and the support columns 7 comprise columns 71 and a tube 72, the columns 71 are arranged above the tube 72, the columns 71 are rotationally connected with the upper frame 22, the tube 72 is vertically arranged at the top of the upper body 221, and the columns 71 penetrate through the tube 72 and are in threaded connection with the tube 72.

Referring to fig. 3 and 4, a control assembly 8 is further disposed on the upper frame 22, and the control assembly 8 is used for driving the plurality of columns 71 to rotate synchronously, so as to realize synchronous telescoping control of the plurality of support columns 7, further realize stable lifting control of the upper frame 221, and adapt to compaction requirements of steel plates with different thicknesses. The control assembly 8 includes a pair of drive shafts 81.

Referring to fig. 3 and 4, a pair of driving shafts 81 are horizontally distributed at two ends of the inner top of the upper frame 22, and two ends of the driving shafts 81 are respectively rotatably connected with two side walls of the upper frame 22, two ends of the driving shafts 81 are respectively provided with a first bevel gear 811 vertically, the top end of the column 71 is respectively provided with a second bevel gear 711, and the four second bevel gears 711 are sequentially meshed with the four first bevel gears 811. One end of the driving shaft 81 extends to the outer side of the upper frame 22 and is provided with a first chain wheel 812, the upper frame 22 is provided with a control motor 222 with a second chain wheel 2221, and chains 2222 meshed with the first chain wheel 812 and the second chain wheel 2221 are sleeved on the first chain wheel 812 and the second chain wheel 2221 to realize synchronous rotation driving of the two driving shafts 81, and further realize synchronous telescopic control of the supporting columns 7.

Referring to fig. 1 and 2, a first supporting frame 111 is provided with a first auxiliary frame 9, a limiting frame 91 is hinged on the first auxiliary frame 9, a limiting hydraulic cylinder 92 for driving the limiting frame 91 to turn over by a certain angle is arranged on the first supporting frame 111, and two ends of the limiting hydraulic cylinder 92 are respectively hinged with the first supporting frame 111 and the limiting frame 91. Meanwhile, a first limiting roller 911 used for abutting against the steel coil is arranged on one of the limiting frames 91, which is far away from the first auxiliary frame 9, the first limiting roller 911 is rotationally connected with the limiting frames 91, so that the first limiting roller 911 is used for abutting against and limiting in the steel coil unreeling process, the unreeling direction of the steel coil is limited, and the steel plate is stably conveyed from the conveying mechanism 1 to the uncoiling mechanism 2.

Referring to fig. 1 and 3, a support plate 212 is disposed on one side of the lower machine body 21, which is close to the material conveying mechanism 1, the support plate 212 is obliquely disposed downwards to support the unreeled steel plate, a second auxiliary frame 23 located above the support plate 212 is also erected on the lower machine body 21, and a second limit roller 231 for abutting against the steel plate is horizontally rotated and connected on the inner side of the second auxiliary frame 23 to cooperate with the first limit roller 911 to further abut against and limit the steel plate, so that the stable conveying state of the steel plate from the material conveying mechanism 1 to the opening mechanism 2 is further ensured.

Referring to fig. 1 and 3, the cutting mechanism 3 is erected at one end of the lower machine body 21 far away from the material conveying mechanism 1 and is located at one side of the upper machine frame 22 far away from the material conveying mechanism 1, so as to directly cut the steel plate after leveling treatment.

Referring to fig. 1, the bearing table 4 is disposed on one side of the lower body 21 facing away from the material conveying mechanism 1, and the bearing table 4 includes a base 41 and a supporting frame 42 horizontally disposed above the base 41, and lifting hydraulic cylinders 43 are vertically disposed at four corners between the base 41 and the supporting frame 42, so that the supporting frame 42 descends gradually in the process of conveying the steel plate to the supporting frame 42, and normal output of the steel plate is ensured. Meanwhile, a baffle 44 is vertically arranged at one end of the support frame 42 far away from the lower machine body 21, so that the steel plate is prevented from being conveyed to the support frame 42 by the flattening mechanism 2 due to inertia sliding down the support frame 42.

Referring to fig. 1, the bottom of the base 41 is uniformly provided with a plurality of pairs of rollers 45 with brakes along the length direction thereof so as to transport the cut steel sheet to a designated position.

The implementation principle of the numerical control steel plate opening and flattening device in the embodiment of the application is as follows: when the steel plate packaged by the coil roller is processed, firstly, a steel coil is mounted on a material roller 12 and clamped by a fastener 5, then a rotating motor 1111 is started to unreel the steel coil, the unreeled steel plate passes through a second limit roller 231 and enters between an upper press roller 2211 and a lower press roller 211, then a control component 8 is started to drive a cylinder 71 to rotate, an upper machine body 221 is controlled to descend, the upper press roller 2211 and the lower press roller 211 are in contact with the steel plate, a limit frame 91 is driven to overturn downwards to cause a first limit roller 911 to contact the steel coil, finally, a driving motor 61 and a cutting machine are started, the steel plate is finished in the process of finishing leveling work, a lifting hydraulic cylinder 43 is controlled to shrink at a certain speed according to the cutting quantity of the steel plate, the steel plate is enabled to fall on a bearing table 4, and the steel plate leveling cutting work is realized.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. Numerical control steel sheet opens flat-bed machine, its characterized in that: including conveying mechanism (1), division flat-bed machine (2) and cutting mechanism (3) that set gradually, conveying mechanism (1) include support body (11) and rotate connect in material roller (12) on support body (11), material roller (12) with support body (11) can dismantle the connection, division flat-bed machine (2) including lower organism (21) with erect in last frame (22) of organism (21) top down, it is connected with a plurality of compression roller (211) to rotate on organism (21) down, last frame (22) are interior to be provided with last organism (221) that can vertically go up and down, just last organism (221) are last to rotate and be connected with a plurality of last compression roller (2211), a plurality of go up compression roller (211) and a plurality of last compression roller (2211) are relative the setting in proper order, last organism (221) is last still to be provided with be used for the drive a plurality of last compression roller (2211) synchronous pivoted drive assembly (6), the cutting frame is located lower organism (21) keep away from support body (11) one side of organism (21) can deviate from down.

2. The numerical control steel plate flattening device according to claim 1, wherein: the frame body (11) comprises a first bearing frame (111) and a second bearing frame (112), the material roller (12) is arranged between the first bearing frame (111) and the second bearing frame (112), the material roller (12) is connected with the first bearing frame (111) in a rotating mode, one side of the first bearing frame (111) deviating from the material roller (12) is provided with a rotating motor (1111) for driving the material roller (12), a support (113) is arranged on the second bearing frame (112), one end of the support (113) is hinged to the second bearing frame (112), a turnover hydraulic cylinder (114) for driving the support (113) to turn is further arranged in the support (113), one end of the support (113) deviating from the second bearing frame (112) is in an arc shape, a pair of rotating rollers (1131) are connected in a rotating mode, the material roller (12) is placed between the rotating rollers (1131), and one end of the support (113) is further away from the second bearing frame (113) and is further connected with a fastening piece (1135) for guaranteeing the fact that the second bearing frame (112) is in a state of being far away from the second bearing frame (112).

3. The numerical control steel plate flattening device according to claim 2, wherein: the fastener (5) comprises an arc-shaped frame (51), one end of the arc-shaped frame (51) is hinged to the support (113), a bolt (511) is arranged at the other end of the arc-shaped frame in a penetrating mode, a threaded groove (1132) for the bolt (511) to penetrate is further formed in the support (113), a pair of auxiliary rollers (512) for abutting against the material rollers (12) are rotatably connected to the inner side of the arc-shaped frame (51), and the pair of auxiliary rollers (512) are respectively arranged opposite to the pair of rotating rollers (1131).

4. The numerical control steel plate flattening device according to claim 2, wherein: be provided with first auxiliary frame (9) on first carrier (111), it has spacing (91) to articulate on first auxiliary frame (9), be provided with in first auxiliary frame (9) and be used for the drive spacing pneumatic cylinder (92) of spacing (91) upset, just spacing (91) deviate from the one end rotation of first auxiliary frame (9) is connected with first spacing roller (911) that are used for contradicting the steel sheet.

5. The numerical control steel plate flattening device according to claim 1, wherein: the lower machine body (21) is close to one end of the conveying mechanism (1) and is provided with a support plate (212) obliquely downwards, a second auxiliary frame (23) positioned above the support plate (212) is also erected on the lower machine body (21), and a second limit roller (231) for abutting against the steel plate is connected to the inner side of the second auxiliary frame (23) in a rotating mode.

6. The numerical control steel plate flattening device according to claim 1, wherein: the utility model discloses a machine frame, including upper frame (22), support column (7) is provided with on machine body (221) with go up between frame (22) four all vertically and be provided with telescopic support column (7), support column (7) all include with last frame (22) rotate cylinder (71) and with body (72) that are connected of last machine body (221), cylinder (71) wear to locate in body (72) and with threaded connection, just go up still be provided with on frame (22) control a plurality of cylinder (71) synchronous pivoted control assembly (8).

7. The numerical control steel plate flattening device of claim 6, wherein: the control assembly (8) comprises a pair of driving shafts (81), the driving shafts (81) are distributed at the two ends of the inner top of the upper frame (22) and are rotationally connected with the driving shafts, first bevel gears (811) are arranged at the two ends of the driving shafts (81), second bevel gears (711) which are meshed with the first bevel gears (811) and are driven by the first bevel gears are arranged at the top ends of the columns (71), one end of each driving shaft (81) extends to the outer side of the upper frame (22) and is provided with a first chain wheel (812), a control motor (222) with a second chain wheel (2221) is arranged at the top of the upper frame (22), and chains (2222) which are meshed with the first chain wheel (812) and the second chain wheel (2221) are sleeved on the first chain wheels and the second chain wheels (2221).

8. The numerical control steel plate flattening device according to claim 1, wherein: the driving assembly (6) comprises a driving motor (61), a plurality of driving gears (62) and a plurality of auxiliary gears (63), wherein the driving gears (62) are sequentially arranged at a plurality of ends, outside the upper press roller (2211), of the upper machine body (221), the auxiliary gears (63) are sequentially arranged between the driving gears (62) adjacent to each other and are in meshed transmission with the driving gears, the driving motor (61) is arranged on the upper machine body (221) and is provided with a driving gear (611), and the driving gear (611) is in meshed transmission with one of the driving gears (62).

9. The numerical control steel plate flattening device according to claim 1, wherein: the bearing table (4) comprises a base (41) and a supporting frame (42) arranged on the base (41), and lifting hydraulic cylinders (43) are vertically arranged at four corners between the base (41) and the supporting frame (42).

10. The numerical control steel plate flattening device of claim 9, wherein: one end of the supporting frame (42) deviating from the lower machine body (21) is vertically provided with a baffle (44), and the bottom of the base (41) is provided with a plurality of rows of rollers (45) with brakes.