CN111054792A

CN111054792A - A lower roll shaft head connecting structure of a work roll

Info

Publication number: CN111054792A
Application number: CN201911358021.XA
Authority: CN
Inventors: 梁辉; 皮之中; 马正伦; 张猛; 李永堂; 邢伟荣; 武凯
Original assignee: Tai'an Hualu Metalforming Machine Tool Co ltd
Current assignee: Tai'an Hualu Equipment Technology Group Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-04-24
Anticipated expiration: 2039-12-25
Also published as: CN111054792B

Abstract

The invention discloses a lower roll shaft head connecting structure of a working roll, which comprises a lower roll seat, keys, a shaft head, a fixed seat, a connecting rod, a torsion seat and a hydraulic transmission device, wherein the lower roll seat is provided with a plurality of lower roll shafts; the outer side of the lower roller seat is provided with a hollow fixed seat, the shell of the hydraulic transmission device is provided with a hollow torque force seat, the outer end of the fixed seat is provided with a pair of oppositely arranged notches, the outer end of the torque force seat is provided with a pair of oppositely arranged bulges, the bulges are matched with the notch width and are mutually matched, one end of the lower roller penetrates through the lower roller seat to be connected with an output rod of the hydraulic transmission device, and the fixed seats and the torque force seat on the two sides of the notches are connected through a pull rod device. The torque force seat is connected with the outer edge of the hydraulic transmission device to provide fixation for torque input, the fixed seat and the torque force seat are connected by the connecting rod to prevent excessive axial movement, the concave part of the fixed seat is matched with the convex part of the torque force seat, the upper part and the lower part are tightly matched to resist torsion, the lower roller can slide in the horizontal direction, a certain angle is formed between the lower roller and the hydraulic transmission device, and meanwhile, the transmission of torque is ensured.

Description

Lower roll shaft head connecting structure of working roll

Technical Field

The invention relates to the technical field of plate bending machines, in particular to a lower roll shaft head connecting structure of a working roll.

Background

The existing horizontal downward-adjusting three-roller plate bending machine is developed from mechanical drive to hydraulic drive direction, the center distance of two lower rollers can be adjusted to adapt to different cylinder diameters, and the two lower rollers can be adjusted to be splayed to adapt to rolling conical cylinders. The lower roller and the hydraulic transmission device are in two states, namely the lower roller and the hydraulic transmission device are collinear, and the lower roller and the hydraulic transmission device form a certain included angle. The original mechanical drive realizes torque transmission and horizontal movement adaptation by the extension and retraction of the cross universal connector. After the hydraulic driving is changed, the lower roll shaft head and the hydraulic motor connecting mechanism bear torque and certain horizontal displacement, and a specific mechanism needs to be developed and designed to realize the two functions at the same time.

Disclosure of Invention

The invention mainly solves the technical problems in the prior art, and provides a lower roll shaft head connecting structure of a working roll, which can bear a certain horizontal displacement and can also bear torque.

The technical problem of the invention is mainly solved by the following technical scheme:

the invention relates to a lower roll shaft head connecting structure of a working roll, which comprises a lower roll seat, keys, a shaft head, a fixed seat, a connecting rod, a torsion seat and a hydraulic transmission device, wherein the lower roll seat is provided with a plurality of lower roll shafts; the outer side of the lower roller seat is provided with a hollow fixing seat, the shell of the hydraulic transmission device is provided with a hollow torque force seat, the outer end of the fixing seat is provided with a pair of oppositely arranged notches, the outer end of the torque force seat is provided with a pair of oppositely arranged bulges, the bulges are matched with the notch width and matched with each other, one end of the lower roller penetrates through the lower roller seat and is connected with an output rod of the hydraulic transmission device, and the fixing seats on the two sides of the notches are connected with the torque force seat through pull rod devices.

Further, the depth of the cut is greater than the length of the protrusion.

Furthermore, a fixed roller paneling is arranged on one side of the notch, a plurality of fixed rollers are arranged in the fixed roller paneling, the side face of the protrusion is stopped on the fixed roller paneling, and a tightening mechanism is arranged on the other side of the notch and presses the protrusion on the fixed rollers.

Furthermore, a plurality of fixing roller mounting holes are longitudinally formed in the fixing roller panel, fixing shaft end grooves are formed in two sides of each fixing roller mounting hole, the cross section of each fixing shaft end groove is rectangular, fixing threaded holes are formed in the bottoms of the fixing shaft end grooves, fixing rollers are mounted in the fixing roller mounting holes, the fixing roller shaft is sleeved on the fixing shaft rod, two ends of the fixing shaft rod are respectively arranged in the fixing shaft end grooves in the two sides of the fixing roller mounting holes, and the fixing shaft rod is mounted in the fixing threaded holes through screws.

Furthermore, the fixed rollers are uniformly distributed in the arc direction, the movable rollers are uniformly distributed in the arc direction, and the rotation axes of the fixed rollers and the movable rollers pass through the overturning axis of the lower roller.

Furthermore, the jacking mechanism comprises a movable roller paneling, the movable roller paneling is longitudinally provided with a plurality of movable roller mounting holes, each movable roller mounting hole is provided with a movable shaft end groove on two sides, the section of each movable shaft end groove is rectangular, a movable threaded hole is formed in the bottom of each movable shaft end groove, the movable rollers are mounted in the movable roller mounting holes, the movable rollers are sleeved on the movable shaft rods, two ends of each movable shaft rod are respectively arranged in the movable shaft end grooves on two sides in the movable roller mounting holes, and screws are mounted in the movable threaded holes after passing through the movable shaft rods and the compression springs.

Furthermore, the notches and the protrusions are correspondingly provided with a plurality of groups one by one.

Further, the pull rod device comprises pull rod fixing seats arranged on the side faces of the torque seat and the fixing seats, pull rods penetrate through the pair of corresponding fixing seats, and threads are arranged on the pull rods on the two sides of the fixing seats.

Further, the section of the fixing seat is hollow rectangular or circular.

In the invention, the torque force seat is connected with the outer edge of the hydraulic transmission device to provide fixation for torque input, the fixed seat and the torque force seat are connected by the connecting rod to prevent excessive axial movement, the concave part of the fixed seat is matched with the convex part of the torque force seat, the upper part and the lower part are tightly matched to resist torque, the lower roller can slide in the horizontal direction, a certain angle is formed between the lower roller and the hydraulic transmission device, and simultaneously, the transmission of torque is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a lower roll shaft head coupling structure of a work roll of the present invention;

FIG. 2 is a schematic structural view of a lower roll shaft head coupling structure of a work roll according to a first embodiment of the present invention;

FIG. 3 is a schematic structural view of a lower roll shaft head coupling structure of a work roll according to a second embodiment of the present invention;

FIG. 4 is a schematic view of the construction of a fixed roller panel according to the invention;

FIG. 5 is a schematic view of the structure of the present invention at the position of the movable roller;

fig. 6 is a schematic view of the structure of the present invention at the position of the movable roller.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.

Example one

Referring to fig. 1 and 2, a lower roller shaft head connecting structure of a working roller comprises a lower roller seat 1, a key 2, a shaft head 3, a fixed seat 4, a connecting rod 5, a torsion seat 6 and a hydraulic transmission device 7; the outer side of the lower roller seat 1 is provided with a hollow fixed seat 4, the section of the fixed seat 4 is hollow and circular, a hollow torque seat 6 is installed on the shell of the hydraulic transmission device 7, the outer end of the fixed seat 4 is provided with a pair of oppositely arranged notches 10, the outer end of the torque seat 6 is provided with a pair of oppositely arranged bulges 9, the bulges 9 and the notches 10 are adaptive in width and matched with each other, one end of the lower roller penetrates through the lower roller seat 1 and is connected with an output rod of the hydraulic transmission device 7, and the fixed seats 4 and the torque seats 6 on two sides of each notch 8 are connected through a pull rod device 8. Outside drive arrangement can drive lower roll tilt up or downward sloping, and the lower roll drives torsion seat 6 and hydraulic transmission device 7 and inclines together, and 10 rigidity in notching, torsion seat 6 can be relative 4 axial short distance removal of fixing base, and can incline 6 relative to torsion seat, simultaneously because notch 10 and protruding 9 cooperation, fixing base 4 can bear hydraulic transmission device 7's torsion.

Preferably, the depth of the cut 10 is greater than the length of the projection 9. The torque base 6 can move outwards in a short distance and can also move inwards in a short distance conveniently;

referring to fig. 4 and 5, a fixed roller panel 11 is disposed on one side of the notch 10, a plurality of fixed rollers 12 are disposed in the fixed roller panel 11, the side of the protrusion 9 is stopped on the fixed roller panel 11, and a tightening mechanism 20 is disposed on the other side of the notch 10, and the tightening mechanism 20 presses the protrusion 9 against the fixed roller 12. Because the equipment can be shaken and overturned for a long time, in order to prevent the side surface of the bulge 9 and the side surface of the notch 10 from being relatively worn for a long time, the bulge 9 is guided by the fixed roller 12 and is movably contacted at the same time, and the shaking of the hydraulic transmission device 7 caused by a wear gap during rotation can be effectively prevented. Optimally, the fixed roller 12 can be replaced by a ball bearing, so that the movable fit in all directions is realized.

The fixed roller paneling 11 is longitudinally provided with a plurality of fixed roller mounting holes 13, two sides of each fixed roller mounting hole 13 are respectively provided with a fixed shaft end groove 14, the section of each fixed shaft end groove 14 is rectangular, the bottom of each fixed shaft end groove 14 is provided with a fixed threaded hole 15, the fixed roller 12 is mounted in each fixed roller mounting hole 13, the fixed roller 12 is sleeved on a fixed shaft lever 16, two ends of each fixed shaft lever 16 are respectively arranged in the fixed shaft end grooves 14 at two sides in the corresponding fixed roller mounting hole 13, and the fixed shaft lever 16 is mounted in the corresponding fixed threaded hole 15 through screws. When the torque seat 6 and the hydraulic transmission device 7 are inclined and overturned together, the torque seat can move under the guidance of the fixed rolling shaft 12; and the device is convenient to mount and dismount.

Referring to fig. 6, the tightening mechanism 20 includes a movable roller panel 21, the movable roller panel 21 is longitudinally provided with a plurality of movable roller mounting holes 22, each of the movable roller mounting holes 22 is provided with a movable shaft end groove 23 at both sides thereof, the section of the movable shaft end groove 23 is rectangular, a movable threaded hole 24 is formed at the bottom of the movable shaft end groove 23, the movable roller 25 is installed in the movable roller mounting hole 24, the movable roller 25 is sleeved on the movable shaft rod 26, both ends of the movable shaft rod 26 are respectively arranged in the movable shaft end grooves 23 at both sides of the movable roller mounting hole 22, and a screw is installed in the movable threaded hole 24 after passing through the movable shaft rod 26 and the compression spring 27. The movable roller 25 can be pressed against the other side of the projection 9 by compressing the spring 27, pressing the projection 9 against the fixed roller 12.

The fixed rollers 12 are uniformly distributed in an arc direction, the movable rollers 25 are uniformly distributed in the arc direction, and the rotation axes of the fixed rollers 12 and the movable rollers 25 pass through the overturning axis of the lower roller. When the torque seat 6 and the hydraulic transmission device 7 are turned over together, the track of the position of the bulge 9 is arc-shaped, and the fixed rolling shaft 12 and the movable rolling shaft 25 are arranged in the arc shape and are used for being identical to the track of the bulge 9.

Example two

Referring to fig. 3, the difference between the first embodiment and the second embodiment is that the section of the fixing base 4 is a hollow rectangle, the notches 10 and the protrusions 9 are correspondingly provided with a plurality of groups one by one, and the notches 10 and the protrusions 9 are arranged in a staggered manner. The sets of notches 10 and protrusions 9 cooperate to increase the contact area against torque.

The pull rod device 8 comprises a pull rod fixing seat 81 arranged on the side surfaces of the torque force seat 6 and the fixing seat 4, a pull rod 82 penetrates through a pair of fixing seats 4 corresponding to each other, and threads are arranged on the pull rods 82 on the two sides of the fixing seats 4. The length of the pull rod 82 can be adjusted through threads, so that the axial positions of the torsion seat 6 and the hydraulic transmission device 7 can be adjusted.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. A lower roller shaft head connection structure of a work roll, characterized in that it comprises a lower roller seat, a key, a shaft head, a fixed seat, a connecting rod, a torsion seat and a hydraulic transmission device; the outer side of the lower roller seat is installed with a A hollow fixed seat, a hollow torsion seat is installed on the casing of the hydraulic transmission device, a pair of oppositely arranged incisions are arranged on the outer end of the fixed seat, and a pair of oppositely arranged protrusions are arranged on the outer end of the torsion seat, so The width of the protrusion and the slit are adapted and matched with each other. One end of the lower roller passes through the lower roller seat and is connected to the output rod of the hydraulic transmission device.

2 . The lower roll shaft head coupling structure of the work roll according to claim 1 , wherein the depth of the cutout is greater than the length of the protrusion. 3 .

3 . The lower roll shaft head coupling structure and method according to claim 2 , wherein a fixed roller panel is arranged on one side of the cutout, and a plurality of fixed roller panels are arranged in the fixed roller panel. 4 . A fixed roller, the side of the protrusion is stopped on the fixed roller panel, and the other side of the cutout is provided with a pressing mechanism, and the pressing mechanism presses the protrusion on the fixed roller on the axis.

4 . The lower roll shaft head coupling structure and method according to claim 3 , wherein the fixed roll panel is longitudinally provided with a plurality of fixed roll mounting holes, and each fixed roll Both sides of the installation hole are provided with fixed shaft end grooves, the cross section of the fixed shaft end groove is rectangular, the bottom of the fixed shaft end groove is provided with fixed screw holes, and the fixed roller installation hole is installed with the fixed roller , the fixed roller is sleeved on the fixed shaft, the two ends of the fixed shaft are respectively arranged in the fixed shaft end grooves on both sides of the fixed roller installation hole, and the fixed shaft is installed on the fixed shaft by screws. in the fixed threaded hole.

5 . The lower roll shaft head coupling structure and method according to claim 4 , wherein the clamping mechanism comprises a movable roller panel, and the movable roller panel is longitudinally provided with a plurality of movable roller panels. 6 . Roller installation holes, both sides of each movable roller installation hole are provided with movable shaft end grooves, the cross section of the movable shaft end groove is rectangular, and the bottom of the movable shaft end groove is provided with movable threaded holes, and the movable shaft end grooves are provided with movable threaded holes. The movable roller is installed in the roller installation hole, the movable roller is sleeved on the movable shaft, and the two ends of the movable shaft are respectively arranged on the movable shaft ends on both sides of the movable roller installation hole. In the slot, the screw is installed in the movable threaded hole after passing through the movable shaft and compressing the spring.

6 . The lower roller shaft head coupling structure and method according to claim 5 , wherein the fixed rollers are evenly distributed in an arc-shaped direction, the movable rollers are evenly distributed in an arc-shaped direction, and the fixed rollers are uniformly distributed in an arc-shaped direction. 7 . The rotation axis of the roller and the movable roller pass through the turning axis of the lower roller.

7 . The lower roll shaft head coupling structure and method according to claim 6 , wherein the incisions and the protrusions are provided in multiple groups in one-to-one correspondence. 8 .

8 . The lower roll shaft head coupling structure and method according to claim 1 , wherein the tie rod device comprises a tie rod fixing seat installed on the side of the torsion seat and the fixing seat, and a pair of fixing seats corresponding to each other. 9 . A pull rod is passed between, and threads are installed on the pull rods on both sides of the fixed seat.

9 . The lower roll shaft head coupling structure of the work roll according to claim 7 , wherein the cross section of the fixing seat is a hollow rectangle or a circle. 10 .