CN212598105U

CN212598105U - Anti-shaking three-roller plate bending machine

Info

Publication number: CN212598105U
Application number: CN202020948684.9U
Authority: CN
Inventors: 刘庆国; 张美玲; 王永沂; 王庚妮; 刘鹏; 李宁宁
Original assignee: Shandong Yanmei Chemical Equipment Engineering Co ltd
Current assignee: Shandong Yanmei Chemical Equipment Engineering Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-02-26
Anticipated expiration: 2030-05-29

Abstract

The utility model relates to a prevent shaking three-roller plate bending machine belongs to machining equipment technical field. The plate bending machine comprises an upper rolling roller, two lower rolling rollers and a power motor, wherein a front fixing seat and a rear fixing seat are respectively arranged at the front end and the rear end of the plate bending machine, the front end and the rear end of each of the two lower rolling rollers are respectively connected with the front fixing seat and the rear fixing seat through bearings, a transmission gear is respectively arranged at the front end of each of the two lower rolling rollers and is connected with the power motor, the front end and the rear end of each of the upper rolling rollers are respectively connected with the bearings, a front fixing frame is arranged on each front fixing seat, a rear fixing frame is arranged on the outer side of each rear fixing seat, a front lifting worm is hinged to the bottom side of the bearing at the front end of each upper rolling roller and is located in each front fixing frame, a rear lifting worm. The anti-shaking baffles on the two sides effectively extrude and position the rear fixed frame, so that the upper winding roller is prevented from shaking in the working process of the plate bending machine.

Description

Anti-shaking three-roller plate bending machine

Technical Field

The utility model relates to a machining equipment technical field, concretely relates to prevent shaking three-roller plate bending machine.

Background

The plate bending machine is a processing device for bending a metal plate into a required round shape, an arc shape or a cone shape, works by utilizing the principle of three-point rounding, and obtains a preset shape by adjusting the relative position between an upper rolling roller and a lower rolling roller of the plate bending machine. The three-roller plate bending machine is divided into a mechanical type and a hydraulic type, and the mechanical type three-roller plate bending machine is divided into a symmetrical type and an asymmetrical type. The mechanical three-roller symmetric plate bending machine is characterized in that the machine is of a three-roller symmetric structure, an upper bending roller vertically lifts at the central symmetric position of two lower bending rollers and is obtained through the transmission of a screw rod, a nut and a worm, the two lower bending rollers rotate, and a power motor is meshed with a lower bending roller gear through an output gear of a speed reducer to provide torque for plate bending. The plastic metal plate with flat specification passes through three winding rollers of a plate bending machine, and the metal plate is continuously bent for multiple times by means of the downward pressing of an upper winding roller and the rotating motion of a lower winding roller to generate permanent plastic deformation, so that the metal plate is rolled into a required cylinder, a required conical cylinder or a part of the cylinder or the conical cylinder.

The back side of going up the winding up roller of current veneer reeling machine is connected through after-fixing frame and elevating system and is gone up and down, the after-fixing frame lower part is articulated with the worm, can rotate and open, make things convenient for putting into and taking out of metal sheet, the worm is located between the after-fixing base of two lower winding up rollers, the after-fixing base that leans on both sides is cliied the after-fixing frame lower part, this kind of mode of setting is unfavorable for the lift and the rotation of after-fixing frame to the too tight of after-fixing frame lower part clamp and is opened, if the passing of clamp, go up and down, it is convenient to rotate, but can take place to go up the.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model discloses an anti-sway three-roller plate bending machine, the plate bending machine comprises an upper roll, two lower rolls and a power motor, wherein the front and rear ends of the plate bending machine are respectively provided with a front fixing seat and a rear fixing seat, the front and rear ends of the two lower rolls are respectively connected with the front fixing seat and the rear fixing seat through bearings, the front ends of the two lower rolls are respectively provided with a transmission gear, the power motor is connected with the transmission gears at the front ends of the two lower rolls, the front and rear ends of the upper roll are respectively connected with bearings, a front fixing frame is fixed on the outer side of the front fixing seat, a rear fixing frame is arranged on the outer side of the rear fixing seat, the bottom side of the bearing at the front end of the upper roll is hinged with a front lifting worm, the bearing at the front end of the upper roll is positioned in the front fixing frame, two sides can extend along the two, the bottom of the front lifting worm and the bottom of the rear lifting worm are respectively connected with a worm wheel, the bottom side of the plate bending machine is provided with a lifting motor, the two worm wheels are connected with the lifting motor through lead screws, the left side and the right side of the rear fixing frame are respectively provided with a fastening anti-shaking baffle, and the rear fixing frame is squeezed from the two sides by the two fastening anti-shaking baffles. When the plate bending machine works, the rear fixing frame is clamped tightly through the anti-shaking baffle plates fastened on two sides after the rear fixing frame is lifted in place, shaking is prevented in the rotating process of the upper winding roller, after the plate bending machine finishes working, the anti-shaking baffle plates fastened on two sides are loosened, and the plate bending machine is convenient to lift and rotate to open the rear fixing frame.

Furthermore, the outer side of the rear fixing seat is provided with adjusting seats with internal thread through holes on two sides of the rear fixing frame, the fastening anti-shaking baffle is connected with a fastening bolt, the fastening bolt is in threaded connection with the internal thread through holes of the adjusting seats, and the outer side end of the fastening bolt is provided with a butterfly handle. And adjusting the anti-shaking baffle through the fastening bolt.

Further, the both sides face of after-fixing frame is close to the outside end and opens respectively and has had vertical spout, the outside of after-fixing frame is leaned on and is equipped with curved support frame, the bottom of support frame is articulated in the bottom outside of after-fixing base, and the upside of support frame is two curved bracing pieces, and two curved bracing pieces are located the both sides of after-fixing base respectively and are articulated with the slider of both sides respectively.

Furthermore, the upper end of the rear fixing frame is provided with a positioning hole which penetrates through the left and right, the top end of the inner surface of the rear fixing frame is provided with a square groove, the upper side surface of the bearing at the rear end of the upper winding roller is welded with a positioning seat with an arc-shaped notch correspondingly, the arc-shaped notch of the positioning seat is coaxial with the positioning hole and has the same diameter with the positioning hole, and the rear fixing frame is provided with a cylindrical positioning pin which penetrates through the positioning hole and the arc-shaped notch of the.

Furthermore, the front side end of the upper winding roller exceeds the front fixing seat, a limiting frame is arranged on the outer side of the end portion of the upper winding roller, a cross beam is arranged on the limiting frame, and the cross beam is located on the upper side of the end portion of the front side end of the upper winding roller. When the upper winding roller rises, the rear fixing frame is opened, the rear side end of the upper winding roller loses support and is pressed downwards, so that the upper winding roller causes torsion to the front fixing frame, the front fixing frame deforms after long-time use, the upper winding roller is pressed through the cross beam at the front end, the horizontal state of the upper winding roller is kept, and the stress of the front fixing frame is reduced.

Furthermore, the two ends of the cross beam are respectively connected with the two side frame walls of the limiting frame in a sliding mode, the upper side of the middle portion of the cross beam is connected with an adjusting screw in a rotating mode, an internal thread adjusting hole is formed in the middle of the upper side frame wall of the limiting frame, the adjusting screw penetrates through the adjusting hole and is in threaded connection with the adjusting hole, and the top of the adjusting screw is connected with an adjusting hand wheel. The position of the cross beam is adjusted through the adjusting screw rod, and the lifting height of the upper winding roller can be adapted to be different.

Compared with the prior art, the anti-shaking three-roller plate bending machine designed by the utility model has the advantages that the rear fixing frame is adjustably extruded by arranging the fastening anti-shaking baffle plate, so that the rear fixing frame can be conveniently lifted and prevented from shaking in the use process; the rear fixing frame and the upper winding roller are positioned and fixed through the positioning holes, the positioning seats and the positioning pins, so that the connection stability of the rear fixing frame and the upper winding roller is further enhanced; the upper winding roller is pressed at the front side of the upper winding roller by the limiting frame with the height-adjustable beam, and the horizontal state of the upper winding roller can be still kept after the rear fixing frame is rotated and opened, so that the acting force on the front fixing frame is reduced.

Drawings

FIG. 1 is a schematic structural diagram of a three-roll plate bending machine

FIG. 2 is a partial enlarged view of the rear fixing frame

In the figure, 1 upper winding roller, 2 lower winding roller, 3 driving motor, 4 front fixing seats, 5 rear fixing seats, 6 front fixing frames, 7 rear fixing frames, 8 fastening anti-shaking baffle plates, 9 limiting frames, 12 rear lifting worms, 13 supporting frames, 14 arc-shaped supporting rods, 15 front bearings, 16 rear bearings, 71 sliding grooves, 72 sliding blocks, 73 positioning pins, 74 square grooves, 75 positioning seats, 81 fastening bolts, 82 adjusting seats, 91 cross beams, 92 adjusting screw rods and 93 adjusting hand wheels

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments. The technical solutions in the embodiments of the present invention are clearly and completely described, and the described embodiments are only some embodiments of the present invention, not all embodiments of the present invention. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention.

As shown in figure 1, the utility model discloses an embodiment of an anti-sway three-roller plate bending machine, including winding up roller 1, two winding up roller 2 and driving motor 3 down, both ends are connected respectively through the bearing on preceding fixing base 4 and after-fixing base 5 around two winding up roller 2 down. The front end lengths of the two lower winding rollers 2 exceed the front fixed seat 4 and are connected with the driving motor 3 through the gear, and the driving motor 3 drives the two lower winding rollers 2 to synchronously rotate.

The two ends of the upper winding roller 1 are also respectively connected with a front bearing 15 and a rear bearing 16, wherein the bottom of the front bearing 15 is hinged with a front lifting worm 11, a front through groove which is through up and down is arranged at the center of the front fixing seat 4 near the outer side, a front fixing frame 6 is fixed at the upper side, the front fixing frame 6 is square, the front bearing 15 of the upper winding roller 1 is positioned in the front fixing frame 6, the two sides of the front bearing 15 are respectively connected with the inner sides of the frame walls at the two sides of the front fixing frame 6 in a sliding manner, and the front lifting worm 11 is positioned in the front through.

The outside of rear fixed seat 5 is equipped with back fixed frame 7, and the bottom center of back fixed frame 7 articulates there is back lifting screw 12, and the back fixed frame outside is square, and the inboard is circular, and the rear bearing 16 of going up the winding up roller 1 block is in back fixed frame 7. A square groove 74 is formed in the top of the inner side of the rear fixing frame 7, a positioning hole 73 which penetrates through the rear fixing frame 7 from left to right is formed in the position, close to the top, of the rear fixing frame 7, the positioning hole 73 penetrates through the square groove 74, a positioning seat 75 with an arc-shaped notch is correspondingly welded to the top of the rear bearing 16 of the upper winding roller 1, the arc-shaped notch in the positioning seat 75 is the same as the positioning hole 73 in diameter and is located on the same axis, and a cylindrical positioning pin 76 is arranged on the rear fixing frame 7 and penetrates through.

The adjusting seats 82 with internal thread through holes are welded on the left side and the right side of the rear fixing seat 7 on the outer side of the rear fixing seat 5 respectively, the two adjusting seats 82 are connected with the fastening anti-shaking baffle plates 8 through the fastening bolts 81 respectively, the two fastening anti-shaking baffle plates 8 squeeze the rear fixing seat 7 from the two sides respectively, and the outer side ends of the fastening bolts 81 are provided with butterfly handles.

Two lateral surfaces of the rear fixing frame 7 close to the rear side are respectively provided with a vertical sliding groove 71, and a sliding block 72 is clamped in the sliding groove 71. The outside of rear fixed seat 5, the downside of back fixed frame 7 articulates there is curved support frame 13, and the upper portion of support frame 13 is two arc-shaped support bars 14, and two arc-shaped support bars 14 stride back fixed frame 7, are located its both sides respectively to it is articulated with the slider 72 of both sides respectively.

The lower parts of the front fixing seat 4 and the rear fixing seat 5 are respectively provided with a worm wheel, and the front lifting worm 11 and the rear lifting worm 12 are respectively connected with the two worm wheels. The bottom side of the plate bending machine is provided with a lifting motor, the two worm gears are connected with the lifting motor through lead screws, and the lifting motor drives the front and rear lifting worms to synchronously rotate, so that the synchronous lifting of the front and rear ends of the upper winding roller 1 is realized.

In addition, a limiting frame 9 is further arranged between the driving motor 3 and the front fixing seat 4, a cross beam 91 is arranged in the limiting frame 9, and two ends of the cross beam 91 are respectively connected with frame walls on two sides of the limiting frame 9 in a sliding mode. The upper surface of the middle part of the cross beam 91 is connected with an adjusting screw 92, the bottom of the adjusting screw 92 is rotatably connected with the cross beam 91, the middle part of the upper side frame wall of the limit frame 9 is provided with a through hole with internal threads, the adjusting screw 92 penetrates through the internal thread through hole and is in threaded connection with the internal thread through hole, and the top end of the adjusting screw is provided with an adjusting hand wheel 93.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, which is defined by the appended claims and the description of the invention.

Claims

1. A three-roller anti-shake plate bending machine comprises an upper roll, two lower rolls and a power motor, wherein the front end and the rear end of the plate bending machine are respectively provided with a front fixing seat and a rear fixing seat, the front end and the rear end of each of the two lower rolls are respectively connected with the front fixing seat and the rear fixing seat through bearings, the front ends of the two lower rolls are respectively provided with a transmission gear, the power motor is connected with the transmission gears at the front ends of the two lower rolls, the three-roller anti-shake plate bending machine is characterized in that the front end and the rear end of the upper roll are respectively connected with bearings, a front fixing frame is fixed on the outer side of the front fixing seat, a rear fixing frame is arranged on the outer side of the rear fixing seat, the bottom side of the bearing at the front end of the upper roll is hinged with a front lifting worm, the bearing at the front end of the upper roll is positioned in the front fixing frame, two sides of the upper roll can move, the bottom side of the plate bending machine is provided with a lifting motor, two worm gears are connected with the lifting motor through lead screws, the left side and the right side of the rear fixed frame are respectively provided with a fastening anti-shaking baffle, and the fastening anti-shaking baffle extrudes the rear fixed frame from two sides.

2. The three-roller bending machine with shaking prevention of claim 1, wherein the outer side of the rear fixed seat is provided with adjusting seats with internal thread through holes at two sides of the rear fixed frame, the fastening shaking prevention baffle is connected with a fastening bolt, the fastening bolt is in threaded connection with the internal thread through holes of the adjusting seats, and the outer side end of the fastening bolt is provided with a butterfly handle.

3. The anti-shaking three-roller plate bending machine as claimed in claim 2, wherein two side faces of the rear fixing frame near the outer side ends are respectively provided with a vertical sliding groove, an arc-shaped supporting frame is arranged below the outer side of the rear fixing frame, the bottom of the supporting frame is hinged to the outer side of the bottom of the rear fixing seat, the upper part of the supporting frame is provided with two arc-shaped supporting rods, and the two arc-shaped supporting rods are respectively positioned at two sides of the rear fixing frame and are respectively hinged to the sliding blocks at two sides of the rear fixing frame.

4. The anti-shake three-roll plate bending machine according to claim 3, wherein the upper end of the rear fixing frame is provided with positioning holes penetrating left and right, the top end of the inner surface of the rear fixing frame is provided with a square groove, a positioning seat with an arc-shaped notch is welded on the upper side surface of the bearing at the rear end of the corresponding upper winding roll, the arc-shaped notch of the positioning seat is coaxial with the positioning holes and has the same diameter as the positioning holes, and the rear fixing frame is provided with a cylindrical positioning pin penetrating through the positioning holes and the arc-shaped notch of the positioning seat.

5. The three-roll plate bending machine with shaking prevention of claim 4, wherein the front side end of the upper rolling roll exceeds the front fixing seat, the outer side of the end part of the upper rolling roll is provided with a limiting frame, the limiting frame is provided with a cross beam, and the cross beam is positioned on the upper side of the end part of the front side end of the upper rolling roll.

6. The three-roller anti-shaking plate bending machine as claimed in claim 5, wherein two ends of the cross beam are respectively connected with two side frame walls of the limiting frame in a sliding manner, an adjusting screw is rotatably connected to the upper side of the middle part, an adjusting hole with internal threads is formed in the middle part of the upper side frame wall of the limiting frame, the adjusting screw penetrates through the adjusting hole and is in threaded connection with the adjusting hole, and an adjusting hand wheel is connected to the top of the adjusting screw.