CN112872128A

CN112872128A - Vertical two-roller numerical control plate rolling machine

Info

Publication number: CN112872128A
Application number: CN202110047698.2A
Authority: CN
Inventors: 张强; 陈刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-06-01

Abstract

The invention discloses a vertical two-roller numerical control plate bending machine which comprises a base, a vertical beam and a cross beam which are fixedly connected, wherein the top of the cross beam is provided with a main motor of which the output end is connected with a fixed roller, two ends of the fixed roller are respectively and rotatably connected with the cross beam and the base, the cross beam and the base are respectively provided with a sliding groove, a hydraulic cylinder and sliding blocks are arranged in the sliding grooves, a movable roller is rotatably arranged between the sliding blocks, the output end of the hydraulic cylinder is fixedly connected with the sliding blocks, a first carrier roller support is arranged in the carrier roller groove at the top of the base in a sliding manner, an annular carrier roller is arranged on the first carrier. The invention can realize the automatic operation of the vertical plate rolling machine, greatly improve the precision of rolled workpieces, improve the production efficiency and reduce the labor intensity and labor cost of operators.

Description

Vertical two-roller numerical control plate rolling machine

Technical Field

The invention relates to the technical field of plate bending machines, in particular to a vertical two-roller numerical control plate bending machine.

Background

The plate bending machine is mainly used for rolling plates into a cylinder, and is widely applied to the fields of petrochemical industry, pressure vessels, steel structure engineering, locomotive manufacturing, tunnel engineering and the like, the plate bending machine can be divided into two-roller, three-roller, four-roller and multi-roller plate bending machines according to the quantity classification of working rollers, and can be divided into a horizontal plate bending machine and a vertical plate bending machine according to the arrangement form of roller shafts, the current main product in the market is the horizontal plate bending machine, but when a cylinder with larger diameter is rolled, an irregular oval cylinder is easy to generate due to the influence of the dead weight of a workpiece, the problem of difficult material alignment is easy to cause the phenomenon of big and small heads, meanwhile, because the working gravity center is higher, unsafe risks exist, when the horizontal plate bending machine is used for rolling the workpiece, scrap iron and oxide skin sliding from the plate are always attached to the plate and the roller shafts in the rolling process, the surface of the workpiece is, the service life of a machine tool is influenced, the vertical plate rolling machine does not have the problems, a mechanical vertical plate rolling machine is arranged on the market at present, mechanical transmission is adopted, the friction of a mechanical transmission part is severe and is easy to wear due to vertical arrangement, the whole machine is controlled by a simple relay, the automation degree is low, the manual labor intensity is high, and the product precision is low.

Therefore, a vertical two-roller numerical control plate bending machine is provided.

Disclosure of Invention

The invention aims to provide a vertical two-roller numerical control plate bending machine, which can realize automatic operation of the vertical plate bending machine, greatly improve the precision of a rolled workpiece, improve the production efficiency, and reduce the labor intensity and labor cost of operators so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a vertical two roller numerical control veneer reeling machine, includes the base, erects roof beam and crossbeam, erects roof beam left end bottom and base right-hand member fixed connection, erects roof beam left end top and crossbeam fixed connection, its characterized in that: the plate rolling device comprises a frame, the frame is arranged on the left side of the top of the cross beam, a first motor is fixedly arranged in the frame, a fixed roller is vertically arranged on the left side of the bottom of the cross beam, the upper end and the lower end of the fixed roller are respectively rotatably connected with the bottom of the cross beam and the top of the base, the top of the fixed roller is fixedly connected with the output end of the first motor, transverse sliding grooves are respectively arranged on the right side of the bottom of the cross beam and the right side of the top of the base, hydraulic cylinders are fixedly arranged on the right sides of the two groups of sliding grooves, the hydraulic cylinders are in control connection with the hydraulic device, sliding blocks are slidably arranged in the two groups of sliding grooves, the two groups of sliding blocks are oppositely arranged up and down, a moving roller is arranged between the two groups of sliding blocks, and the upper end and the, the output ends of the two sets of hydraulic cylinders are respectively fixedly connected with the right ends of the two sets of sliding blocks, a plurality of carrier roller grooves are formed in the sliding blocks of the base around the moving roller, first carrier roller supports are arranged in the carrier roller grooves in a sliding mode, annular carrier rollers are arranged on the first carrier roller supports, a first placing cavity is formed in the bottom of each first carrier roller support, rodless oil cylinders are arranged in the first placing cavities, magnetic ring sleeves of the rodless oil cylinders are fixedly connected with the first carrier roller supports, a connecting frame is arranged on the front side of the base, a plurality of sets of second carrier roller supports are arranged on the front portion and the rear portion of the top of the connecting frame, straight carrier rollers are arranged in the second carrier roller supports, and the control device is respectively in control connection with the hydraulic device.

Preferably, hydraulic means includes oil tank, electromagnetic directional valve and oil pump, erect the inside second that is provided with of roof beam and place the chamber, the oil tank is fixed to be set up the intracavity is placed to the second, the electromagnetic directional valve sets up the oil tank top, the oil pump sets up inside the oil tank, be provided with oil inlet, oil return opening, first hydraulic fluid port and second hydraulic fluid port on the electromagnetic directional valve, it is two sets of the left and right sides of pneumatic cylinder is equallyd divide and is do not be provided with first connector and second connector, two sets of first connector is even first hydraulic fluid port is linked together, two sets of second connector all with the second hydraulic fluid port is linked together, the oil pump output with the oil inlet is linked together, the oil return opening is linked together with the oil tank top, the oil pump with the electromagnetic directional valve all with controlling means control connection.

Preferably, the connecting frame is hinged to the base, an adjustable support is arranged at the bottom of the connecting frame, a hook is arranged on the front side of the connecting frame, and a hanging ring is arranged on the front side of the cross beam.

Preferably, the fixed roller and the crossbeam and base junction all are provided with first bearing, remove the roller with the slider junction is provided with the second bearing.

Preferably, the moving roller comprises a second motor, a rotating shaft, a plurality of hydraulic telescopic rods, a plurality of supporting steel plates and a curled steel bar;

the second motor is arranged on the sliding block of the base;

the first end of the rotating shaft is connected with the output shaft of the second motor, and the second end of the rotating shaft is rotatably arranged on the sliding block of the cross beam;

the hydraulic telescopic rods are arranged on the rotating shaft and are distributed around the circumference of the rotating shaft;

the plurality of supporting steel plates are respectively arranged at the tail ends of the plurality of hydraulic telescopic rods;

the first end of the curled steel bar is provided with a sliding hole, the second end of the curled steel bar is slidably fitted in the sliding hole, and the curled steel bar is wrapped outside the plurality of support steel plates.

Preferably, the rotating shaft is hollow inside, the rotating shaft is communicated with the inside of the plurality of hydraulic telescopic rods, the rotating shaft is communicated with the plurality of rodless oil cylinders inside, and the rodless oil cylinders drive the first carrier roller support to move away from the moving roller when the plurality of hydraulic telescopic rods are in an extending state.

Preferably, the movable roller further comprises an annular electromagnet, the annular electromagnet is mounted on the sliding block of the cross beam and is arranged coaxially with the rotating shaft, and the annular electromagnet is used for adsorbing a plurality of supporting steel plates.

Preferably, the annular electromagnet is rotatably mounted on the sliding block of the cross beam, and the rotation axis of the annular electromagnet is collinear with the axis of the annular electromagnet.

Preferably, one side that hydraulic telescoping rod was kept away from to the supporting steel board is equipped with a plurality of gyro wheels, and a plurality of gyro wheels lean on with the billet that curls.

Compared with the prior art, the invention has the beneficial effects that:

the invention controls the action of a hydraulic device through a control device according to the machining size requirement so as to control the motion of the output end of a hydraulic cylinder, so as to adjust the distance between a movable roller and a fixed roller and enable the movable roller and the fixed roller to meet the machining requirement, then a first motor is started through the control device, the output end of the first motor drives the fixed roller to rotate, then a plate is vertically placed on a straight carrier roller and is pushed towards the middle direction between the fixed roller and the movable roller, a coiled material passes between the fixed roller and the movable roller and is coiled into a required arc surface under the action of the rotation of the fixed roller and the pressure between the fixed roller and the movable roller, the lower end surface of the formed plate is supported on an annular carrier roller and circularly runs along a specified curvature until the coiling of a workpiece is finished, the coiling operation is controlled by the control device, the automatic operation is realized, and the whole plate feeding and the workpiece forming process are carried out, except the rolling pressure of the movable roller and the fixed roller, no other external lateral force exists, the weight of the movable roller and the fixed roller is supported by the straight carrier roller and the annular carrier roller, the workpiece cannot deform due to the self weight and other external forces after being rolled and molded, the precision of the rolled workpiece is improved, and in the rolling process, the workpiece does not need to be suspended and clamped by hoisting equipment, other tools and the like, so that the operation is continuous, the auxiliary and interruption working hours are omitted, the production efficiency is improved, and the labor intensity and the labor cost of operators are reduced.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a front view of the cross-sectional structure of the present invention;

FIG. 3 is a top view of the slider of the present invention;

FIG. 4 is a schematic view of the connection between the rodless cylinder and the rotating shaft according to the present invention;

FIG. 5 is a schematic view of a moving roll of the present invention;

FIG. 6 is a top view of a moving roll of the present invention;

FIG. 7 is a schematic view of a support steel plate of the present invention;

fig. 8 is a top view of the present invention.

In the figure: 1. a base; 2. erecting a beam; 3. a cross beam; 4. a frame; 5. a first motor; 6. a fixed roller; 7. a chute; 8. a hydraulic cylinder; 9. a slider; 10. a moving roller; 11. a carrier roller groove; 12. a first idler cradle; 13. an annular carrier roller; 14. a rodless cylinder; 15. a magnetic ring sleeve; 17. a connecting frame; 18. a second idler cradle; 19. a straight carrier roller; 20. an oil tank; 21. an electromagnetic directional valve; 22. an oil pump; 23. an adjustable support; 24. hooking; 25. hanging a ring; 26. a first bearing; 28. adjustable support legs; 29. a PLC controller; 30. a second motor; 31. a rotating shaft; 32. a hydraulic telescopic rod; 33. a support steel plate; 34. coiling the steel strip; 35. an annular electromagnet; 36. and a roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a technical scheme that: a vertical two-roller numerical control plate rolling machine is shown in figure 1 and comprises a base 1, a vertical beam 2 and a cross beam 3, wherein the bottom of the left end of the vertical beam 2 is fixedly connected with the right end of the base 1, the top of the left end of the vertical beam 2 is fixedly connected with the cross beam 3, the plate rolling machine further comprises a plate rolling device, a hydraulic device and a control device, the plate rolling device comprises a rack 4, the rack 4 is arranged on the left side of the top of the cross beam 3, a first motor 5 is fixedly arranged in the rack 4, a fixed roller 6 is vertically arranged on the left side of the bottom of the cross beam 3, and the upper end and the lower end of the fixed roller 6 are respectively rotatably connected with the bottom;

specifically, as shown in fig. 2, the top of the fixed roller 6 is fixedly connected with the output end of the first motor 5, the right side of the bottom of the cross beam 3 and the right side of the top of the base 1 are both provided with a transverse chute 7, the right sides of the two sets of chutes 7 are both fixedly provided with a hydraulic cylinder 8, the hydraulic cylinder 8 is in control connection with the hydraulic device, the two sets of chutes 7 are both provided with sliding blocks 9 in a sliding manner, the two sets of sliding blocks 9 are arranged up and down in an opposite manner, a moving roller 10 is arranged between the two sets of sliding blocks 9, the upper end and the lower end of the moving roller 10 are respectively rotatably connected with the upper set of sliding blocks 9 and the lower set of sliding blocks 9, and the output;

specifically, as shown in fig. 2 to 4, a plurality of idler grooves 11 are formed in the top of a sliding block 9 of a base 1 around a moving roller 10, first idler supports 12 are arranged in the idler grooves 11 in a sliding manner, annular idlers 13 are arranged on the first idler supports 12, a connecting frame 17 is arranged on the front side of the base 1, a plurality of groups of second idler supports 18 are arranged on the top of the connecting frame 17 in a front-back opposite manner, and straight idlers 19 are arranged in the second idler supports 18;

specifically, as shown in fig. 3, a first placing cavity is formed in the bottom of the first carrier roller support 12, a rodless cylinder 14 is arranged in the first placing cavity, a moving path of a magnetic piston in the rodless cylinder 14 is parallel to a moving direction of the first carrier roller support 12, a magnetic ring sleeve 15 is slidably sleeved outside the rodless cylinder 14, the magnetic ring sleeve 15 and the magnetic piston are mutually adsorbed, and the magnetic ring sleeve 15 is further fixedly connected with the first carrier roller support 12. When the magnetic piston moves in the rodless cylinder 14, the magnetic piston drives the magnetic ring sleeve 15 to move synchronously, the magnetic ring sleeve 15 drives the first carrier roller support 12 to move, and the first carrier roller support 12 drives the annular carrier roller 13 to move, so that the distance of the annular carrier roller 13 moving roller is changed.

The moving roller 10 specifically includes a second motor 30, a rotating shaft 31, a plurality of hydraulic telescopic rods 32, a plurality of support steel plates 33, a curled steel bar 34, an annular electromagnet 35, and a plurality of rollers 36. Referring to fig. 2, 4-6, the second motor 30 is mounted on the slider 9 of the base 1, and the second motor 30 moves synchronously with the slider 9. The first end of the rotating shaft 31 is fixedly connected with an output shaft of the second motor 30, the second end of the rotating shaft 31 is rotatably installed on the sliding block 9 of the cross beam 3, and the second motor 30 is used for driving the rotating shaft 31 to rotate. The plurality of hydraulic telescopic rods 32 are installed on the rotating shaft 31 and distributed around the circumference of the rotating shaft 31, when the rotating shaft 31 rotates, the plurality of hydraulic telescopic rods 32 rotate synchronously, and the plurality of hydraulic telescopic rods 32 extend under the action of centrifugal force. A plurality of supporting steel plates 33 are installed respectively at a plurality of hydraulic telescoping rod 32 end, and when a plurality of hydraulic telescoping rod 32 extended, hydraulic telescoping rod 32 drove supporting steel plate 33 and radially kept away from pivot 31 along pivot 31. The first end of the curled steel bar 34 is provided with a sliding hole, the second end of the curled steel bar 34 is slidably fitted in the sliding hole, the curled steel bar 34 is enclosed outside the plurality of support steel plates 33, the material of the curled steel bar 34 is similar to that of a spring and has certain elasticity, when the support steel plates 33 are far away from the rotating shaft 31, the support steel plates 33 generate thrust on the curled steel bar 34, so that the diameter of the circle enclosed by the curled steel bar 34 is increased, namely the diameter of the moving roller 10 is increased, when the rotating shaft 31 rotates and rotates, the plurality of hydraulic telescopic rods 32 are contracted to drive the plurality of support steel plates 33 to turn close, the curled steel bar 34 is not supported by the support steel plates 33, so that the second end of the curled steel bar 34 is wound into the sliding hole, the diameter of the circle enclosed by the curled steel bar 34 is reduced, namely the diameter of the. Through the diameter size of adjusting removal roller 10, can crooked obtain the arc panel of different diameters, for among the prior art, if the arc panel of different diameters is obtained to needs crooked, the removal roller 10 of different diameters need be changed, work efficiency is higher.

Referring to fig. 4, the rotating shaft 31 is hollow, the rotating shaft 31 is communicated with the inside of the plurality of hydraulic telescopic rods 32, the rotating shaft 31 is also communicated with the plurality of rodless cylinders 14, when the plurality of hydraulic telescopic rods 32 extend outwards, hydraulic oil in the rodless cylinders 14 moves towards the hydraulic telescopic rods 32 through the rotating shaft 31, so that magnetic pistons in the rodless cylinders 14 move, and then the magnetic pistons drive the magnetic ring sleeves 15 to move, so that the annular carrier rollers 13 move to move away from the moving rollers 10. The advantage of this design is that when the diameter of the movable roller 10 is increased by the driving of the hydraulic telescopic rod 32, the diameter of the formed arc-shaped plate is also increased, and the distance between the annular supporting roller 13 and the rotating shaft 31 is also increased, so that it can be ensured that the annular supporting roller 13 is located below the arc-shaped plate to support the arc-shaped plate.

Referring to fig. 2, 4 and 5, the ring-shaped electromagnet 35 is mounted on the slider 9 of the beam 3 and is disposed coaxially with the rotating shaft 31, the ring-shaped electromagnet 35 is configured to attract a plurality of supporting steel plates 33, and when the supporting steel plates 33 extrude the curled steel bars 34 so that the diameter of the moving roller is adjusted to a suitable size, the ring-shaped electromagnet 35 is energized to attract all the supporting steel plates 33, so as to maintain the supporting steel plates 33 at the current position, and further maintain the diameter of the moving roller 10 unchanged, and at this time, the rolling operation can be performed. Furthermore, because the diameter of the moving roller 10 is adjusted to be proper, the supporting steel plate 33 rotates, if the annular electromagnet 35 adsorbs to force the supporting steel plate 33 to stop rotating suddenly, which easily causes the equipment damage, therefore, the annular electromagnet 35 is arranged on the sliding block 9 of the cross beam 3 in a rotatable way, the rotating axis of the annular electromagnet 35 is collinear with the self axis of the annular electromagnet 35, and after the annular electromagnet 35 is electrified to adsorb the supporting steel plate 33, the annular electromagnet 35 rotates synchronously with the supporting steel plate 33 for a period of time.

Referring to fig. 7, in order to reduce the friction between the support steel plate 33 and the curled steel bar 34, a side of the support steel plate 33 away from the hydraulic telescopic rod 32 is provided with a plurality of rollers 36, and the plurality of rollers 36 abut against the curled steel bar 34.

Specifically, as shown in fig. 2, the hydraulic device includes an oil tank 20, an electromagnetic directional valve 21 and an oil pump 22, a second placing cavity is arranged inside the vertical beam 2, the oil tank 20 is fixedly arranged in the second placing cavity, the electromagnetic directional valve 21 is arranged on the top of the oil tank 20, the oil pump 22 is arranged inside the oil tank 20, the electromagnetic directional valve 21 is provided with an oil inlet, an oil return port, a first oil port and a second oil port, the left side and the right side of the two groups of hydraulic cylinders 8 are respectively provided with a first connecting port and a second connecting port, the two groups of first connecting ports are communicated with the first oil port uniformly, the two groups of second connecting ports are communicated with the second oil port, the output end of the oil pump 22 is communicated with the oil inlet, the oil return port is communicated with the top of the oil tank 20, and the oil pump 22 and the electromagnetic directional valve 21 are in control connection with the control device. By adopting the technical scheme, the oil pump 22 transmits the hydraulic oil in the oil tank 20 into the hydraulic cylinder 8 and provides power for the output end of the hydraulic cylinder 8, and the electromagnetic directional valve 21 can control the connection of the oil inlet and return passages by controlling the on-off of control elements arranged at the left end and the right end of the valve body, so as to control the expansion of the output end of the hydraulic cylinder 8.

Specifically, as shown in fig. 8, the connecting frame 17 is hinged to the base 1, the adjustable support 23 is arranged at the bottom of the connecting frame 17, the hook 24 is arranged on the front side of the connecting frame 17, and the hanging ring 25 is arranged on the front side of the cross beam 3. The adjustable support 23 can provide support for the connecting frame 17 and can adjust the height of the connecting frame 17 to enable the straight running roller to keep horizontal, when the plate bending machine is not used, the connecting frame 17 can be upwards overturned around the hinged position and is fixedly connected with the hanging ring 25 through the hook 24, and therefore the occupied area is saved.

Specifically, as shown in fig. 2, a first bearing 26 is disposed at a joint of the fixed roller 6, the cross beam 3 and the base 1, and a second bearing is disposed at a joint of the movable roller 10 and the slider 9. The second bearing can reduce the friction force when the fixed roller 6 and the moving roller 10 rotate.

As shown in figure 1, the bottom of the left side of the base 1 and the bottom of the vertical beam 2 are both provided with adjustable supporting legs 28. The adjustable support legs 28 can provide support for the plate bending machine main body and can adjust the height of the plate bending machine main body, so that the plate bending machine main body is kept horizontal.

As shown in fig. 2, the control device is a PLC controller 29.

The working process is as follows: according to the diameter of the arc-shaped plate to be formed, the second motor 30 is started, the second motor 30 drives the rotating shaft 31 to rotate, the rotating shaft 31 further drives the hydraulic telescopic rod 32 to rotate, the hydraulic telescopic rod 32 drives the supporting steel plate 33 to be far away from the rotating shaft 31, so that the supporting steel plate 33 extrudes the curled steel bar 34, the curled steel bar 34 is extruded by the supporting steel plate 33, the diameter of the enclosed circle is gradually increased, namely the diameter of the moving roller 10 is gradually increased, meanwhile, the annular carrier roller 13 moves, when the diameter of the moving roller 10 is increased to a proper size, the annular electromagnet 35 is started, the annular electromagnet 35 adsorbs all the supporting steel plates 33, the distance between the supporting steel plate 33 and the rotating shaft 31 is maintained, so that the diameter of the moving roller 10 is unchanged, the second motor 30 is closed, and the annular carrier. According to the thickness of the plate to be curled, the two sliding blocks 9 are adjusted to move through a hydraulic device, so that the distance between the moving roller 10 and the fixed roller 6 is proper. At this time, the first motor 5 is started, the first motor drives the fixed roller 6 to rotate, then the plate is vertically placed on the straight carrier roller 19 and is pushed towards the middle direction between the fixed roller 6 and the movable roller 10, under the rotation of the fixed roller 6 and the pressure action between the fixed roller 6 and the movable roller 10, the coiled material passes between the fixed roller 6 and the movable roller 10 and is coiled into a required arc surface, the lower end surface of the formed plate is supported on the annular carrier roller 13 and runs annularly along the specified curvature until the workpiece is coiled completely

The plate rolling operation is controlled by a control device, automatic operation is realized, in the whole plate feeding and workpiece forming process, except the rolling pressure of the movable roller 10 and the fixed roller 6, other additional lateral force is not generated, the weight of the plate is supported by the straight carrier roller 19 and the annular carrier roller 13, the workpiece cannot deform due to the self weight and other external force during rolling and after forming, the precision of the rolled workpiece is improved, and in the rolling process, the workpiece does not need to be suspended and clamped by hoisting equipment, other tools and the like, so that the operation is continuous, the auxiliary and interruption working hours are omitted, the production efficiency is improved, and the labor intensity and labor cost of operators are reduced.

The electric elements in the document are electrically connected with an external main controller and 220V mains supply through a transformer, the main controller can be a conventional known device controlled by a computer and the like, the product model provided by the invention is only used according to the structural characteristics of the product, the product can be adjusted and modified after being purchased, so that the product is more matched with and accords with the technical scheme of the invention, the product model is a technical scheme of the optimal application of the technical scheme, the product model can be replaced and modified according to the required technical parameters, and the product model is familiar to the technical personnel in the field, so that the technical scheme provided by the invention can clearly obtain the corresponding use effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a vertical two roller numerical control veneer reeling machine, includes base (1), erects roof beam (2) and crossbeam (3), erects roof beam (2) left end bottom and base (1) right-hand member fixed connection, erects roof beam (2) left end top and crossbeam (3) fixed connection, its characterized in that: the plate rolling device comprises a rack (4), the rack (4) is arranged on the left side of the top of the cross beam (3), a first motor (5) is fixedly arranged in the rack (4), a fixed roller (6) is vertically arranged on the left side of the bottom of the cross beam (3), the upper end and the lower end of the fixed roller (6) are respectively and rotatably connected with the bottom of the cross beam (3) and the top of the base (1), the top of the fixed roller (6) is fixedly connected with the output end of the first motor (5), the right side of the bottom of the cross beam (3) and the right side of the top of the base (1) are respectively provided with a transverse chute (7), the right sides of the two chutes (7) are respectively and fixedly provided with a hydraulic cylinder (8), the hydraulic cylinder (8) is in control connection with the hydraulic device, and a sliding block (9) can be arranged in the two chutes (7) in a sliding, the two groups of sliding blocks (9) are arranged oppositely from top to bottom, a moving roller (10) is arranged between the two groups of sliding blocks (9), the upper end and the lower end of the moving roller (10) are respectively rotatably connected with the upper group of sliding blocks (9) and the lower group of sliding blocks (9), the output ends of the two groups of hydraulic cylinders (8) are respectively fixedly connected with the right ends of the two groups of sliding blocks (9), a plurality of carrier roller grooves (11) are arranged on the sliding blocks (9) of the base (1) and surround the moving roller (10), first carrier roller supports (12) are arranged in the carrier roller grooves (11) in a sliding manner, annular carrier rollers (13) are arranged on the first carrier roller supports (12), a first placing cavity is arranged at the bottom of each first carrier roller support (12), a rodless oil cylinder (14) is arranged in each placing cavity, a magnetic ring sleeve (15) of the rodless oil cylinder (14) is fixedly connected with the first carrier roller supports (12), and a, a plurality of groups of second carrier roller supports (18) are oppositely arranged at the front and the back of the top of the connecting frame (17), straight carrier rollers (19) are arranged in the second carrier roller supports (18), and the control device is respectively in control connection with the hydraulic device and the first motor (5).

2. The vertical two-roll numerical control plate bending machine according to claim 1, wherein: the hydraulic device comprises an oil tank (20), an electromagnetic directional valve (21) and an oil pump (22), a second placing cavity is arranged in the vertical beam (2), the oil tank (20) is fixedly arranged in the second placing cavity, the electromagnetic directional valve (21) is arranged at the top of the oil tank (20), the oil pump (22) is arranged inside the oil tank (20), the electromagnetic directional valve (21) is provided with an oil inlet, an oil return port, a first oil port and a second oil port, the left side and the right side of the two groups of hydraulic cylinders (8) are respectively provided with a first connecting port and a second connecting port, the two groups of first connecting ports are communicated with the first oil port uniformly, the two groups of second connecting ports are communicated with the second oil port, the output end of the oil pump (22) is communicated with the oil inlet, the oil return port is communicated with the top of the oil tank (20), the oil pump (22) and the electromagnetic directional valve (21) are in control connection with the control device.

3. The vertical two-roll numerical control plate bending machine according to claim 2, wherein: the connecting frame (17) is hinged to the base (1), an adjustable support (23) is arranged at the bottom of the connecting frame (17), a hook (24) is arranged on the front side of the connecting frame (17), and a hanging ring (25) is arranged on the front side of the cross beam (3).

4. The vertical two-roll numerical control plate bending machine according to claim 3, wherein: the fixed roller (6) and the connection part of the beam (3) and the base (1) are provided with first bearings (26), and the connection part of the movable roller (10) and the sliding block (9) is provided with a second bearing.

5. The vertical two-roll numerical control plate bending machine according to claim 1, wherein: the moving roller (10) comprises a second motor (30), a rotating shaft (31), a plurality of hydraulic telescopic rods (32), a plurality of supporting steel plates (33) and a curled steel bar (34);

the second motor (30) is arranged on a sliding block (9) of the base (1);

the first end of the rotating shaft (31) is connected with an output shaft of the second motor (30), and the second end of the rotating shaft (31) is rotatably arranged on a sliding block (9) of the cross beam (3);

a plurality of hydraulic telescopic rods (32) are arranged on the rotating shaft (31) and are distributed around the circumference of the rotating shaft (31);

the plurality of supporting steel plates (33) are respectively arranged at the tail ends of the plurality of hydraulic telescopic rods (32);

the first end of the curled steel bar (34) is provided with a slide hole, the second end of the curled steel bar (34) is slidably fitted in the slide hole, and the curled steel bar (34) is wrapped outside the plurality of support steel plates (33).

6. The vertical two-roll numerical control plate bending machine according to claim 5, wherein: the rotating shaft (31) is hollow, the rotating shaft (31) is communicated with the inside of the plurality of hydraulic telescopic rods (32), the rotating shaft (31) is communicated with the plurality of rodless oil cylinders (14), and the rodless oil cylinders (14) drive the first carrier roller support (12) to move away from the moving roller in the extending state of the plurality of hydraulic telescopic rods (32).

7. The vertical two-roll numerical control plate bending machine according to claim 5, wherein: the movable roller further comprises an annular electromagnet (35), the annular electromagnet (35) is installed on the sliding block (9) of the cross beam (3) and is arranged coaxially with the rotating shaft (31), and the annular electromagnet (35) is used for adsorbing a plurality of supporting steel plates (33).

8. The vertical two-roll numerical control plate bending machine according to claim 7, wherein: the annular electromagnet (35) is rotatably arranged on the sliding block (9) of the cross beam (3), and the rotating axis of the annular electromagnet (35) is collinear with the axis of the annular electromagnet (35).

9. The vertical two-roll numerical control plate bending machine according to claim 5, wherein: one side of the supporting steel plate (33) far away from the hydraulic telescopic rod (32) is provided with a plurality of rollers (36), and the rollers (36) are abutted against the curled steel bars (34).