CN111940551A

CN111940551A - Double-linkage bending machine for large-scale plates

Info

Publication number: CN111940551A
Application number: CN202010776884.5A
Authority: CN
Inventors: 吴明伟; 陈刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2020-11-17

Abstract

The invention belongs to the technical field of bending machines, and particularly relates to a large-scale plate double-linkage bending machine; comprises a machine body; the number of the machine bodies is two, and the machine bodies are mutually attached; the two machine bodies are fixedly connected with extrusion blocks through telescopic devices; the two extrusion blocks are fixedly connected with an upper die, and the upper die is in a conical design; a lower die is fixedly connected to the machine body workbench below the two upper dies; the two lower dies correspond to the upper dies one by one; the bending machine is mainly used for solving the problems that the position of a plate is manually adjusted in the plate bending process of the existing bending machine, when the plate is inclined, creases on the plate can be inclined, so that the bending precision of the plate is poor, the bending angles of the plate by the existing bending machine are the same, when different bending angles are required, the bending machine can be used for solving the problem that the work efficiency is low and the workload of workers is increased due to the fact that a mould needs to be replaced or the bending machine needs to be replaced.

Description

Double-linkage bending machine for large-scale plates

Technical Field

The invention belongs to the technical field of bending machines, and particularly relates to a large-scale plate double-linkage bending machine.

Background

The bending machine is a machine capable of bending thin plates, and mainly structurally comprises a support, a workbench and a clamping plate, wherein the workbench is arranged on the support and comprises a base and a pressing plate, the base is connected with the clamping plate through a hinge and comprises a seat shell, a coil and a cover plate, the coil is arranged in a recess of the seat shell, and the cover plate covers the top of the recess. When the clamping device is used, the coil is electrified by the lead, and the attraction is generated on the pressing plate after the coil is electrified, so that the thin plate between the pressing plate and the base is clamped. Due to the adoption of electromagnetic force clamping, the pressing plate can meet the requirements of various workpieces, the workpieces with side walls can be machined, the operation is very simple and convenient, and the introduction of the double-linkage bending machine can be referred to in the journal period: the book of changes is easy to shake, zhou xu, two linkage hydraulic bending machines and linkage technique, forging and pressing machinery, however, present double linkage bending machine still has certain problem, specifically includes following aspect:

bender among the prior art all is the position of manual regulation panel at the in-process of bending panel, when panel takes place the slope, can make the crease on the panel take place the slope to the precision that leads to panel to bend worsens, the angle that present bender bent panel simultaneously all is the same, still need change the mould or change the bender and just can solve when the different angle of needs bending, thereby can lead to work efficiency step-down, still can increase staff's work load simultaneously.

There are also some solutions in the prior art relating to double-linkage bending machines, such as the patent numbers: 201910390033.4, the patent name is a patent of double linkage bender, this technical scheme through set up in the sliding connection chamber in the fuselage, but sliding connection intracavity sliding connection be equipped with the sliding connection frame, be equipped with first screw hole in the sliding connection frame, first screw hole female connection has first threaded rod, first threaded rod with the first motor power that sliding connection chamber left side wall internal fixation set is connected, be equipped with the rotating chamber in the sliding connection frame left side wall, be equipped with the swing chamber in the wall of rotating chamber right side, be equipped with the transmission chamber in the swing chamber roof, the rotating of transmission intracavity is equipped with the spline housing, the transmission intracavity the spline housing surface has set firmly first bevel gear, can solve the problem of bender automatic feeding, but the uncontrollable bender is at the angle of bending panel in-process.

In view of this, in order to overcome the above technical problems, the invention designs and develops a double-linkage bending machine for large plates, and a special bending machine is manufactured, so as to solve the above technical problems.

Disclosure of Invention

In order to make up for the defects of the prior art, the large-scale plate double-linkage bending machine provided by the invention is mainly used for solving the problems that the position of a plate is manually adjusted in the bending process of the conventional bending machine, when the plate is inclined, a crease on the plate is inclined, so that the bending precision of the plate is poor, the bending angles of the plate by the conventional bending machine are the same, and when different angles are required to be bent, the problem can be solved by replacing a mould or replacing the bending machine, so that the working efficiency is low, and the workload of workers is increased.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a large-sized plate double-linkage bending machine which comprises a machine body and a telescopic device, wherein the machine body is provided with a bending mechanism; the number of the machine bodies is two, and the machine bodies are mutually attached; the two machine bodies are fixedly connected with extrusion blocks through telescopic devices; the two extrusion blocks are fixedly connected with an upper die, and the upper die is in a conical design; a lower die is fixedly connected to the machine body workbench below the two upper dies; the two lower dies correspond to the upper dies one by one; first sliding grooves which are uniformly distributed are formed in the inner walls of the two lower dies on the upper surfaces of the two lower dies, and the first sliding grooves are communicated with the outside; a first auxiliary plate is connected in each first sliding groove in a sliding manner, and the first auxiliary plates correspond to each other; a rubber layer is fixedly connected to one side, opposite to the first auxiliary plate, of the lower die, and the rubber layers are flush with the first auxiliary plate; the bottom end face of each first auxiliary plate is fixedly connected with a first electric telescopic rod through a stop block, and the first electric telescopic rods are electrically connected with a controller through wires; the other end of each first electric telescopic rod is fixedly connected with the end surfaces of two sides of the lower die; a second auxiliary plate is rotatably connected in the inner wall of the opposite side of each first auxiliary plate through a motor, and the second auxiliary plate is parallel to the first auxiliary plate; a second electric telescopic rod is fixedly connected in the inner wall of the first auxiliary plate at one side of each first auxiliary plate opposite to the other side, and the second electric telescopic rods are electrically connected with the controller through wires; the end face of one side, opposite to each second electric telescopic rod, of each second electric telescopic rod is fixedly connected with a push block, and the push blocks are arranged between the first auxiliary plate and the second auxiliary plate but are not attached to the first auxiliary plate; the inner walls of the first auxiliary plate and the second auxiliary plate are respectively and rotatably connected with uniformly arranged rolling balls, and the rolling balls partially extend out of the first auxiliary plate and the second auxiliary plate and are designed to correspond to each other; each rolling ball is rotatably connected with a roller through a contraction rod, and the rollers are driven by a motor;

when the bending machine manufactured by the invention is used, firstly, the plate is pushed between the second auxiliary plate and the first auxiliary plate, because the inner walls of the second auxiliary plate and the first auxiliary plate are both provided with uniformly arranged rolling balls, the resistance of the plate can be reduced, and simultaneously, because the inner walls of the second auxiliary plate and the first auxiliary plate are both rotatably connected with the rolling rollers through the shrinkage rods, the rolling rollers can push the plate to move, in the process, labor can be saved, when the plate is moved between the second auxiliary plate and the first auxiliary plate, the roller returns to the initial position, the controller controls the second electric telescopic rod to stretch according to the position of the plate to be bent, the plate can be adjusted to a proper position on the rolling ball in the stretching process of the second electric telescopic rod, plates with different widths can be placed, the plate can be fixed in the process, the plate is prevented from moving in the bending process, the bending precision of the plate is influenced, when the plate is properly adjusted, the controller controls the telescopic device to stretch downwards, the upper die can be driven to extrude the plate downwards in the stretching process of the telescopic device, the plate can be tilted to two side positions due to strong extrusion force on the plate in the extruding process of the plate, and the controller controls the motor on the second auxiliary plate to rotate, the second auxiliary plate can be driven to rotate towards two sides along with the bending angle of the plate in the rotating process of the motor, the plate can be further fixed in the process, so that the plate is prevented from being deviated in the bending process, the precision of the plate is influenced, the plate or the second auxiliary plate can be prevented from being scratched in the bending process due to the fact that the rolling balls uniformly distributed are rotatably connected in the inner wall of the second auxiliary plate, when the plate is bent, the right second auxiliary plate is controlled to rotate towards the left by the controller, the plate can be pressed between the second auxiliary plate and the first auxiliary plate in the leftward rotating process of the right second auxiliary plate, then the left second auxiliary plate is controlled to rotate towards the right by the controller, the plate can be squeezed between the right second auxiliary plate and the first auxiliary plate in the rotating process of the right second auxiliary plate, and the roller is controlled by the controller to stretch until the plate is attached, then the controller control roller rotates, and the roller pivoted in-process can drive panel and shift out the bender, because first accessory plate passes through first electric telescopic handle sliding connection, when the width broad of panel needs to be bent, the flexible first accessory plate that can drive through the flexible of controller control first electric telescopic handle slides to both sides to panel that can the broad.

Preferably, a through groove is formed in the inner wall of the lower die, and the through groove is in a boss type design; the through grooves are rotatably connected with molding blocks which are uniformly arranged through rotating shafts, and the molding blocks are designed in a triangular shape and correspond to each other; moving grooves which are uniformly distributed are formed in the inner walls of the two molding blocks, and the moving grooves are designed in a parallelogram shape; the two molding blocks are arranged in a staggered manner through moving grooves; the end surfaces of one sides of the two plastic blocks, which are opposite to each other, are hinged with third electric telescopic rods which are uniformly arranged, and the third electric telescopic rods are electrically connected with the controller through wires; the other end of each third electric telescopic rod is fixedly connected with the lower die;

the during operation, owing to mould between the board through removing groove staggered arrangement, when the angle of bending of panel is adjusted to needs, controller control third electric telescopic handle shrink this moment, can adjust two angles of moulding between the piece at this in-process, thereby can adjust the angle of moulding between the piece according to the angle that panel needs were bent, can change the angle of mould under the condition that need not change mould and bender at this in-process, thereby can improve work efficiency, can also reduce staff's the amount of labour simultaneously.

Preferably, the end faces of the bottoms of the two molding blocks are fixedly connected with gear strips which are uniformly arranged, and the gear strips are arranged at the two sides of the moving groove; gear plates are fixedly connected to the bottom of the through groove in the inner wall of the through groove through uniformly arranged telescopic plates, and the gear plates are meshed with the gear strips;

the during operation, because rack and toothed bar intermeshing, when moulding board adjustment is to suitable angle, controller control expansion plate upwards stretches this moment, the in-process that upwards stretches at the expansion plate can with rack intermeshing, can improve the fixed degree of moulding the board at this in-process, thereby prevent that the moulding board from receiving extruded in-process and taking place the skew, thereby influence the precision of panel, can also improve the resistance of moulding the board simultaneously, thereby prevent that the too big emergence of pressure that the moulding piece received from damaging, the toothed bar resumes initial position after the panel extrusion is accomplished, because the shifting chute both sides position is all arranged in to the toothed bar, thereby can prevent that the rack from influencing the staggered movement between the moulding piece.

Preferably, an inclined groove is formed in the inner wall of each moving groove, and the inclined grooves are parallel to the moving grooves; a support plate is connected in each chute in a sliding manner and is fixedly connected with the moving groove through a spring; each supporting plate is tightly attached to the moving groove and is on the same horizontal line; each supporting plate can extend into the rubber layer;

the during operation, because there is the backup pad through chute sliding connection in the shifting chute inner wall, can promote the backup pad and remove in the shifting chute when moulding the piece at angle regulation's in-process, thereby can make the backup pad fill all the time in the shifting chute, can prevent at this in-process that panel from being extruded because there is the gap between backup pad and the shifting chute, thereby lead to the indentation to appear on the panel surface, thereby reduce the smooth degree of panel, because the backup pad all closely laminates with the shifting chute, and on same water flat line, thereby can further prevent to have the gap between backup pad and the shifting chute, thereby influence the precision of panel.

Preferably, the upper die comprises a left pressing plate and a right pressing plate; the left pressing plate and the right pressing plate are rotatably connected through a rotating shaft and are arranged in a staggered mode; the upper parts of the left pressure plate and the right pressure plate are connected with moving blocks which are uniformly arranged in the inner wall of the extrusion block in a sliding manner, and the moving blocks partially extend out of the extrusion plate; the two moving blocks are hinged with the left pressing plate and the right pressing plate through rotating shafts; the inner walls of the two moving blocks are respectively provided with a lead screw through a motor, and the lead screws are rotationally connected with the moving blocks through threads;

during operation, because left clamp plate and right clamp plate are all articulated with the movable block through the pivot, after angular adjustment between the moulding board is accomplished, controller control motor drove the lead screw and rotates this moment, can drive left clamp plate and right clamp plate at lead screw pivoted in-process and rotate, when angle between left clamp plate and the right clamp plate and mould the angle between the type piece the same, controller stop motor rotates this moment, can prevent at this in-process that the angle between mould and the bed die is different, thereby influence the degree of bending of panel, because left clamp plate and right clamp plate are connected through the movable block of evenly arranged, thereby can improve the anti extrusion ability of left clamp plate and right clamp plate, thereby prevent that left clamp plate and right clamp plate from taking place to damage at the in-process of extrusion panel.

Preferably, supporting blocks are arranged on the opposite sides of the left pressing plate and the right pressing plate in a cavity formed by the left pressing plate and the right pressing plate, and the supporting blocks extend into the extruding block; square grooves which are uniformly distributed are formed in the inner wall of each supporting block, and the square grooves are fixedly connected with gear teeth which are uniformly distributed; a gear shaft is fixedly connected to the end face of one side, opposite to each lead screw, of each lead screw, and the gear shafts are meshed with the gear teeth; the inner wall of the supporting block is connected with clamping shafts which are uniformly distributed in a sliding manner; the inner walls of the left pressure plate and the right pressure plate are provided with clamping grooves which are uniformly distributed, and the clamping grooves are matched with the clamping shafts;

when the device works, because the supporting blocks are arranged in the cavities of the left pressing plate and the right pressing plate, the supporting blocks can be attached to the inner surfaces of the left pressing plate and the right pressing plate in the process of bending the plates by the left pressing plate and the right pressing plate, the extrusion force of the left pressing plate and the right pressing plate can be increased in the process, and simultaneously the left pressing plate and the right pressing plate can be prevented from being damaged due to the large hinged pressure in the process of extruding the plates by the left pressing plate and the right pressing plate, because the paper wheel shaft fixedly connected with the lead screw is meshed with the wheel teeth, the gear shaft can be driven to rotate in the process of driving the moving block to move by the lead screw, the supporting blocks can be driven to move upwards in the process of rotating the gear shaft, the left pressing plate and the right pressing plate can be prevented from being blocked by the supporting blocks in the angle adjusting process, because the blocking shafts are slidably connected in the inner, can prevent at this in-process card axle from blocking the supporting shoe, because the draw-in groove of seting up in left clamp plate and the right clamp plate inner wall mutually supports with the card axle, can block into the draw-in groove that corresponds when the supporting shoe removes to suitable position in, can prevent at the in-process supporting shoe of the bending panel at this in-process and take place to remove, thereby the process of bending of mould in the influence, can also improve the holding power to left clamp plate and right clamp plate simultaneously, thereby prevent that left clamp plate and right clamp plate from taking place to damage at the extruded in-process.

The invention has the following beneficial effects:

1. according to the invention, the molding blocks are arranged, and the moving grooves are arranged among the molding blocks in a staggered manner, so that when the bending angle of the plate needs to be adjusted, the controller controls the third electric telescopic rod to contract, the angle between the two molding blocks can be adjusted in the process, the angle between the molding blocks can be adjusted according to the bending angle of the plate, the angle of the mold can be changed without replacing the mold and the bending machine in the process, the working efficiency can be improved, and the labor amount of workers can be reduced.

2. According to the invention, the supporting plate is arranged, and the supporting plate is connected to the inner wall of the moving groove in a sliding manner through the inclined groove, so that the supporting plate can be pushed to move in the moving groove in the angle adjusting process of the molding block, and the supporting plate can be always filled in the moving groove.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a body diagram of the present invention;

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

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a partial enlarged view of FIG. 2 at B

FIG. 5 is an enlarged view of a portion of FIG. 2 at C;

FIG. 6 is a body view of the inventive molding block;

in the figure: the device comprises a machine body 1, an extrusion block 11, an upper die 12, a lower die 13, a first auxiliary plate 14, a rubber layer 15, a first electric telescopic rod 16, a second electric telescopic rod 17, a push block 18, a second auxiliary plate 19, a rolling ball 191, a roller 192, a molding block 2, a moving groove 21, a third electric telescopic rod 22, a gear strip 23, a gear plate 24, a support plate 25, a second motor 26, a fourth electric telescopic rod 27, a left pressure plate 3, a right pressure plate 31, a moving block 32, a lead screw 33, a support block 34, gear teeth 35, a gear shaft 36, a clamping groove 37, a clamping shaft 38 and a telescopic device 39.

Detailed Description

A large-sized plate double-linkage bending machine according to an embodiment of the present invention will be described below with reference to fig. 1 to 6.

As shown in fig. 1 to 6, the double-linkage bending machine for large plates according to the present invention includes a machine body 1 and a telescopic device 39; the number of the machine bodies 1 is two, and the machine bodies are mutually attached; the two machine bodies 1 are fixedly connected with the extrusion blocks 11 through the telescopic devices 39; the two extrusion blocks 11 are fixedly connected with an upper die 12, and the upper die 12 is in a conical design; a lower die 13 is fixedly connected to the worktable of the machine body 1 below the two upper dies 12; the two lower dies 13 correspond to the upper dies 12 one by one; first sliding grooves which are uniformly distributed are formed in the inner walls of the lower dies 13 on the upper surfaces of the two lower dies 13, and the first sliding grooves are communicated with the outside; a first auxiliary plate 14 is connected in each first sliding groove in a sliding manner, and the first auxiliary plates 14 correspond to each other; a rubber layer 15 is fixedly connected to one side, opposite to the first auxiliary plate 14, of the lower die 13, and the rubber layers 15 are flush with the first auxiliary plates 14; the end face of the bottom of each first auxiliary plate 14 is fixedly connected with a first electric telescopic rod 16 through a stop block, and the first electric telescopic rods 16 are electrically connected with a controller through wires; the other end of each first electric telescopic rod 16 is fixedly connected with the end surfaces of two sides of the lower die 13; a second auxiliary plate 19 is rotatably connected in the inner wall of the opposite side of each first auxiliary plate 14 through a motor, and the second auxiliary plate 19 is parallel to the first auxiliary plate 14; a second electric telescopic rod 17 is fixedly connected to the inner wall of the first auxiliary plate 14 on the opposite side of each first auxiliary plate 14, and the second electric telescopic rods 17 are electrically connected with the controller through wires; the end face of one side, opposite to each second electric telescopic rod 17, of each second electric telescopic rod is fixedly connected with a push block 18, and the push blocks 18 are arranged between the first auxiliary plate 14 and the second auxiliary plate 19 but are not attached to each other; the inner walls of the first auxiliary plate 14 and the second auxiliary plate 19 are respectively and rotatably connected with uniformly arranged rolling balls 191, and the rolling balls 191 partially extend out of the first auxiliary plate 14 and the second auxiliary plate 19 and are designed to correspond to each other; each rolling ball 191 is rotatably connected with a roller 192 through a contraction rod, and the rollers 192 are driven by a motor;

when the bending machine manufactured by the invention is used, firstly, the plate is pushed between the second auxiliary plate 19 and the first auxiliary plate 14, because the inner walls of the second auxiliary plate 19 and the first auxiliary plate 14 are respectively provided with the uniformly arranged rolling balls 191, the resistance of the plate can be reduced, and simultaneously, because the inner walls of the second auxiliary plate 19 and the first auxiliary plate 14 are respectively and rotatably connected with the rollers 192 through the shrinkage rods, the roller 192 can push the plate to move, so that labor can be saved in the process, when the plate moves between the second auxiliary plate 19 and the first auxiliary plate 14, the controller controls the contraction rod to contract at the moment, the roller 192 can be driven to restore to the initial position, meanwhile, the controller controls the second electric telescopic rod 17 to expand and contract according to the position of the plate to be bent, the plate can be adjusted to a proper position on the rolling ball 191 in the expansion and contraction process of the second electric telescopic rod 17, meanwhile, plates with different widths can be placed, the plate can be fixed in the process, the plate is prevented from moving in the bending process, the bending precision of the plate is affected, when the plate is adjusted properly, the controller controls the expansion device 39 to expand downwards, the upper die 12 can be driven to extrude the plate downwards in the expansion process of the expansion device 39, in the extrusion process of the plate, the plate is enabled to tilt towards two sides due to the strong extrusion force applied to the plate, at the moment, the controller controls the second motor 26 on the second auxiliary plate 19 to rotate, the second auxiliary plate 19 can be driven to rotate towards two sides in the rotating process of the second motor 26, meanwhile, the plate begins to bend after the second auxiliary plate 19 rotates, the plate can play a role of shielding in the process, so that the plate is prevented from deviating in the bending process, the uniformly arranged rolling balls 191 are rotatably connected in the inner wall of the second auxiliary plate 19, so that the plate or the second auxiliary plate 19 can be prevented from being scratched in the bending process, after the plate is bent, the controller controls the left second auxiliary plate 19 to rotate towards the right, when the left second auxiliary plate 19 rotates to the left side of the bent plate, the controller controls the fourth electric telescopic rod 27 to stretch, and in the stretching process of the fourth electric telescopic rod 27, the bent plate can be pushed out of a V-shaped groove and inclined towards the right, after the bent plate is attached to the first auxiliary plate on the right side, the controller controls the second auxiliary plate 19 on the right side to rotate leftwards, the bent surface of the bent plate can be pressed between the second auxiliary plate 19 and the first auxiliary plate 14 in the process, then the controller controls the second auxiliary plate 19 on the right side to rotate leftwards, the plate can be squeezed between the second auxiliary plate 19 on the right side and the first auxiliary plate 14 in the rotating process of the second auxiliary plate 19 on the right side, the roller 192 is controlled by the controller to stretch until the plate is attached to the plate, then the roller 192 is controlled by the controller to rotate, the plate can be driven to move out of the bending machine in the rotating process of the roller 192, as the first auxiliary plate 14 is connected in a sliding mode through the first electric telescopic rod 16, when the width of the plate to be bent is wide, the first auxiliary plate 14 can be driven to slide towards two sides by controlling the expansion and contraction of the first electric telescopic rod 16 through the controller, thus allowing for a wider sheet.

As an embodiment of the present invention, a through groove is formed in the inner wall of the lower mold 13, and the through groove is designed in a boss shape; the through grooves are rotatably connected with the molding blocks 2 which are uniformly arranged through rotating shafts, and the molding blocks 2 are designed in a triangular shape and correspond to each other; the inner walls of the two plastic blocks 2 are provided with uniformly arranged moving grooves 21, and the moving grooves 21 are both designed in a parallelogram shape; the two molding blocks 2 are arranged in a staggered way through the moving grooves 21; the end surfaces of the two opposite sides of the plastic blocks 2 are hinged with third electric telescopic rods 22 which are uniformly arranged, and the third electric telescopic rods 22 are electrically connected with a controller through wires; the other end of each third electric telescopic rod 22 is fixedly connected with the lower die 13;

the during operation, because the groove 21 staggered arrangement that removes between the shaping piece 2, when the angle of bending of panel needs to be adjusted, controller control third electric telescopic handle 22 shrink this moment, can adjust two angles between the shaping piece 2 at this in-process, thereby can adjust the angle between the shaping piece 2 according to the angle that panel needs were bent, can change the angle of mould under the condition that need not change mould and bender at this in-process, thereby can improve work efficiency, simultaneously can also reduce staff's the amount of labour.

As an embodiment of the invention, the end surfaces of the bottoms of the two plastic blocks 2 are fixedly connected with gear bars 23 which are uniformly arranged, and the gear bars 23 are arranged at the two sides of the moving groove 21; the bottom of the through groove is fixedly connected with a gear plate 24 in the inner wall of the through groove through uniformly arranged expansion plates, and the gear plate 24 is mutually meshed with the gear strip 23;

the during operation, because rack 23 and gear plate 24 intermeshing, when moulding board adjustment is to suitable angle, controller control expansion plate upwards stretches this moment, the in-process that upwards stretches at the expansion plate can with rack 23 intermeshing, can improve the fixed degree of moulding the board at this in-process, thereby prevent that the moulding board from receiving extruded in-process and taking place the skew, thereby influence the precision of panel, can also improve the resistance of moulding the board simultaneously, thereby prevent that the too big emergence of pressure that moulding piece 2 received from damaging, gear plate 24 resumes initial position after the board extrusion is accomplished, because rack 23 all arranges shifting chute 21 both sides position in, thereby can prevent rack 23 from influencing the staggered movement between moulding piece 2.

As an embodiment of the present invention, each of the moving grooves 21 has an inclined groove formed in an inner wall thereof, and the inclined grooves are parallel to the moving grooves 21; a support plate 25 is connected in each inclined groove in a sliding manner, and the support plates 25 are fixedly connected with the movable grooves 21 through springs; each support plate 25 is tightly attached to the moving groove 21 and is on the same horizontal line; each of the support plates 25 may extend into the rubber layer 15;

in operation, because there is the backup pad 25 through chute sliding connection in the moving slot 21 inner wall, can promote the backup pad 25 and remove in moving slot 21 when moulding piece 2 in angle regulation's in-process, thereby can make the backup pad 25 fill in moving slot 21 all the time, can prevent at this in-process that panel from being extruded because there is the gap between backup pad 25 and the moving slot 21, thereby lead to the indentation to appear on the panel surface, thereby reduce the smooth degree of panel, because the backup pad 25 all closely laminates with moving slot 21, and on same water flat line, thereby can further prevent to have the gap between backup pad 25 and the moving slot 21, thereby influence the precision of panel.

As an embodiment of the present invention, the upper mold 12 includes a left press plate 3 and a right press plate 31; the left pressing plate 3 and the right pressing plate 31 are rotatably connected through a rotating shaft and are arranged in a staggered manner; the moving blocks 32 which are uniformly arranged are connected in a sliding manner in the inner wall of the extrusion block 11 above the left pressure plate 3 and the right pressure plate 31, and the moving blocks 32 partially extend out of the extrusion plate; the two moving blocks 32 are hinged with the left pressing plate 3 and the right pressing plate 31 through rotating shafts; the inner walls of the two moving blocks 32 are respectively provided with a lead screw 33 through a motor, and the lead screws 33 are rotatably connected with the moving blocks 32 through threads;

during operation, because left clamp plate 3 and right clamp plate 31 are all articulated with movable block 32 through the pivot, after angular adjustment between the moulding board is accomplished, controller control motor drove lead screw 33 and rotates this moment, can drive left clamp plate 3 and right clamp plate 31 at lead screw 33 pivoted in-process and rotate, angle between angle and the moulding piece 2 between when left clamp plate 3 and right clamp plate 31 is the same, controller stop motor rotates this moment, can prevent that the angle between upper die 12 and the lower mould 13 is different at this in-process, thereby influence the degree of bending of panel, because left clamp plate 3 and right clamp plate 31 are connected through evenly arranged movable block 32, thereby can improve the anti extrusion ability of left clamp plate 3 and right clamp plate 31, thereby prevent that left clamp plate 3 and right clamp plate 31 from taking place to damage at the in-process of extrusion panel.

As an embodiment of the present invention, supporting blocks 34 are disposed in cavities formed by the left pressing plate 3 and the right pressing plate 31 on opposite sides of the left pressing plate 3 and the right pressing plate 31, and the supporting blocks 34 all extend into the extrusion block 11; square grooves which are uniformly distributed are formed in the inner wall of each supporting block 34, and the square grooves are fixedly connected with gear teeth 35 which are uniformly distributed; a gear shaft 36 is fixedly connected to the end face of one side, opposite to each lead screw 33, of each lead screw, and the gear shafts 36 are mutually meshed with the gear teeth 35; the inner wall of the supporting block 34 is connected with clamping shafts 38 which are uniformly arranged in a sliding manner; clamping grooves 37 which are uniformly distributed are formed in the inner walls of the left pressing plate 3 and the right pressing plate 31, and the clamping grooves 37 are matched with the clamping shafts 38;

when the device works, because the supporting blocks 34 are arranged in the cavities of the left pressing plate 3 and the right pressing plate 31, in the process that the left pressing plate 3 and the right pressing plate 31 bend the plates, the supporting blocks 34 can be attached to the inner surfaces of the left pressing plate 3 and the right pressing plate 31, the extrusion force of the left pressing plate 3 and the right pressing plate 31 can be increased in the process, simultaneously, the left pressing plate 3 and the right pressing plate 31 can be prevented from being damaged due to the large hinging pressure in the process of pressing the plates, because the paper wheel shaft fixedly connected with the lead screw 33 is mutually meshed with the wheel teeth 35, the gear shaft 36 can be driven to rotate in the process that the lead screw 33 drives the moving block 32 to move, the supporting blocks 34 can be driven to move upwards in the process of rotating the gear shaft 36, in the process, the supporting blocks 34 can be prevented from blocking the left pressing plate 3 and the right pressing plate 31 in the angle adjusting process, and because the, in the process of the upward movement of the supporting block 34, the clamping shaft 38 can slide into the supporting block 34 under the action of the extrusion force, the supporting block 34 can be prevented from being clamped by the clamping shaft 38 in the process, because the clamping grooves 37 formed in the inner walls of the left pressing plate 3 and the right pressing plate 31 are matched with the clamping shaft 38, the supporting block 34 can be clamped into the corresponding clamping grooves 37 when moving to a proper position, the supporting block 34 can be prevented from moving in the process of bending the plates in a pressing mode, the bending process of the upper die 12 is influenced, meanwhile, the supporting force for the left pressing plate 3 and the right pressing plate 31 can be improved, and the left pressing plate 3 and the right pressing plate 31 are prevented from being damaged in the extrusion process.

The specific working process is as follows:

when the bending machine manufactured by the invention is used, firstly, a plate is pushed between the second auxiliary plate 19 and the first auxiliary plate 14, the uniformly arranged rolling balls 191 are arranged in the inner walls of the second auxiliary plate 19 and the first auxiliary plate 14, so that the resistance of the plate can be reduced, meanwhile, the rollers 192 are rotatably connected in the inner walls of the second auxiliary plate 19 and the first auxiliary plate 14 through the contraction rods, the roller 192 can push the plate to move, manpower can be saved in the process, when the plate moves between the second auxiliary plate 19 and the first auxiliary plate 14, the rollers 192 recover to the initial position, meanwhile, the controller controls the second electric telescopic rod 17 to stretch according to the position of the plate to be bent, the plate can be adjusted to the proper position on the rolling balls 191 in the stretching process of the second electric telescopic rod 17, and plates with different widths can be placed at the same time, in the process, the plate can be fixed, so that the plate is prevented from moving in the bending process, and the bending precision of the plate is influenced, when the plate is properly adjusted, the controller controls the telescopic device 39 to stretch downwards, the upper die 12 can be driven to extrude the plate downwards in the stretching process of the telescopic device 39, in the extruding process of the plate, the plate can be tilted towards the two sides due to the strong extrusion force applied to the plate, the controller controls the motor on the second auxiliary plate 19 to rotate at the moment, the second auxiliary plate 19 can be driven to rotate towards the two sides along with the bending angle of the plate in the rotating process of the motor, the plate can be further fixed in the process, so that the plate is prevented from shifting in the bending process, and the precision of the plate is influenced, and the uniformly arranged rolling balls 191 are rotatably connected in the inner wall of the second auxiliary plate 19, so as to prevent the sheet material or the second auxiliary plate 19 from being scratched in the process of bending the sheet material, when the sheet material is bent, the controller controls the left second auxiliary plate 19 to rotate rightwards, when the left second auxiliary plate 19 rotates to the left side of the bent sheet material, the controller controls the fourth electric telescopic rod 27 to stretch, when the fourth electric telescopic rod 27 stretches, the bent sheet material can be pushed out of the V-shaped groove and incline rightwards, when the bent sheet material is attached to the right first auxiliary plate, the controller controls the right second auxiliary plate 19 to rotate leftwards, in the process, the bent surface of the bent sheet material can be pressed between the second auxiliary plate 19 and the first auxiliary plate 14, then the controller controls the right second auxiliary plate 19 to rotate leftwards, in the process of rotating the right second auxiliary plate 19, the sheet material can be squeezed between the right second auxiliary plate 19 and the first auxiliary plate 14, at this time, the controller controls the roller 192 to stretch until the roller is attached to the plate, then the controller controls the roller 192 to rotate, and the roller 192 can drive the plate to move out of the bending machine in the rotating process.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a large-scale panel double-linkage bender which characterized in that: comprises a machine body (1) and a telescopic device (39); the number of the machine bodies (1) is two, and the machine bodies are mutually attached; the two machine bodies (1) are fixedly connected with extrusion blocks (11) through telescopic devices (39); the two extrusion blocks (11) are fixedly connected with an upper die (12), and the upper die (12) is in a conical design; a lower die (13) is fixedly connected to the worktable of the machine body (1) below the two upper dies (12); the two lower dies (13) correspond to the upper dies (12) one by one; first sliding grooves which are uniformly distributed are formed in the inner walls of the two lower dies (13) on the upper surfaces of the two lower dies (13), and the first sliding grooves are communicated with the outside; a first auxiliary plate (14) is connected in each first sliding groove in a sliding manner, and the first auxiliary plates (14) correspond to each other; a rubber layer (15) is fixedly connected above the lower die (13) at one side opposite to each first auxiliary plate (14), and the rubber layers (15) are flush with the first auxiliary plates (14); the bottom end face of each first auxiliary plate (14) is fixedly connected with a first electric telescopic rod (16) through a stop block, and the first electric telescopic rods (16) are electrically connected with a controller through wires; the other end of each first electric telescopic rod (16) is fixedly connected with the end faces of two sides of the lower die (13); a second auxiliary plate (19) is rotatably connected in the inner wall of the opposite side of each first auxiliary plate (14) through a motor, and the second auxiliary plate (19) is parallel to the first auxiliary plate (14); a second electric telescopic rod (17) is fixedly connected to the inner wall of the first auxiliary plate (14) at the opposite side of each first auxiliary plate (14), and the second electric telescopic rods (17) are electrically connected with a controller through wires; the end face of one side, opposite to each second electric telescopic rod (17), of each second electric telescopic rod is fixedly connected with a push block (18), and the push blocks (18) are arranged between the first auxiliary plate (14) and the second auxiliary plate (19) but are not attached to each other; the inner walls of the first auxiliary plate (14) and the second auxiliary plate (19) are respectively and rotatably connected with uniformly arranged rolling balls (191), and the rolling balls (191) partially extend out of the first auxiliary plate (14) and the second auxiliary plate (19) and are designed to correspond to each other; each rolling ball (191) is rotatably connected with a roller (192) through a contraction rod, and the rollers (192) are driven by a motor.

2. The large plate double-linkage bending machine according to claim 1, wherein: a through groove is formed in the inner wall of the lower die (13), and the through groove is designed in a boss shape; the through grooves are rotatably connected with the molding blocks (2) which are uniformly arranged through a rotating shaft, and the molding blocks (2) are designed in a triangular shape and correspond to each other; the inner walls of the two plastic blocks (2) are provided with uniformly arranged moving grooves (21), and the moving grooves (21) are both designed in a parallelogram shape; the two molding blocks (2) are arranged in a staggered way through moving grooves (21); the end surfaces of the two opposite sides of the plastic blocks (2) are hinged with third electric telescopic rods (22) which are uniformly arranged, and the third electric telescopic rods (22) are electrically connected with a controller through wires; and the other end of each third electric telescopic rod (22) is fixedly connected with the lower die (13).

3. A large-scale plate double-linkage bending machine according to claim 2, characterized in that: the end surfaces of the bottoms of the two plastic blocks (2) are fixedly connected with gear bars (23) which are uniformly arranged, and the gear bars (23) are arranged at the two sides of the moving groove (21); the bottom of the through groove is fixedly connected with a gear plate (24) through uniformly arranged expansion plates in the inner wall of the through groove, and the gear plate (24) is mutually meshed with the gear strips (23).

4. A large-scale plate double-linkage bending machine according to claim 2, characterized in that: an inclined groove is formed in the inner wall of each moving groove (21), and the inclined grooves are parallel to the moving grooves (21); a support plate (25) is connected in each inclined groove in a sliding manner, and the support plates (25) are fixedly connected with the movable groove (21) through springs; each supporting plate (25) is tightly attached to the moving groove (21) and is positioned on the same horizontal line; each support plate (25) can extend into the rubber layer (15).

5. The large plate double-linkage bending machine according to claim 1, wherein: the upper die (12) comprises a left pressing plate (3) and a right pressing plate (31); the left pressing plate (3) and the right pressing plate (31) are rotatably connected through a rotating shaft and are arranged in a staggered manner; the moving blocks (32) which are uniformly arranged are connected in a sliding manner in the inner wall of the extrusion block (11) above the left pressure plate (3) and the right pressure plate (31), and the moving blocks (32) partially extend out of the extrusion plate; the two moving blocks (32) are hinged with the left pressing plate (3) and the right pressing plate (31) through rotating shafts; the inner walls of the two moving blocks (32) are respectively provided with a lead screw (33) through a motor, and the lead screws (33) are rotatably connected with the moving blocks (32) through threads.

6. A large-scale plate double-linkage bending machine according to claim 5, characterized in that: supporting blocks (34) are arranged in cavities formed by the left pressing plate (3) and the right pressing plate (31) on the opposite sides of the left pressing plate (3) and the right pressing plate (31), and the supporting blocks (34) extend into the extrusion block (11); square grooves which are uniformly distributed are formed in the inner wall of each supporting block (34), and gear teeth (35) which are uniformly distributed are fixedly connected in each square groove; a gear shaft (36) is fixedly connected to the end face of one side, opposite to each lead screw (33), of each lead screw, and the gear shafts (36) are mutually meshed with the gear teeth (35); clamping shafts (38) which are uniformly arranged are connected in the inner wall of the supporting block (34) in a sliding manner; clamping grooves (37) which are uniformly distributed are formed in the inner walls of the left pressing plate (3) and the right pressing plate (31), and the clamping grooves (37) are matched with the clamping shafts (38).