CN114130857A

CN114130857A - Open locking type high-precision composite withdrawal and straightening device

Info

Publication number: CN114130857A
Application number: CN202111513422.5A
Authority: CN
Inventors: 宋连庆; 曹跃进; 祁佰忱; 权策; 李云辉; 王彩元
Original assignee: XI'AN MEHAT INDUSTRIAL TECHNOLOGY CO LTD
Current assignee: XI'AN MEHAT INDUSTRIAL TECHNOLOGY CO LTD
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-03-04

Abstract

The invention relates to an open-locking type high-precision composite straightening device which comprises a double-bending single straightening machine and a 23-roller precision straightening machine, wherein a first bending unit, a second bending unit and a straightening unit are symmetrically arranged on the double-bending single straightening machine from top to bottom, an upper roller box and a lower roller box are symmetrically arranged on the 23-roller precision straightening machine from top to bottom, the first bending unit, the second bending unit, the straightening unit and the upper roller box which are positioned on the upper portion are arranged on an upper machine frame, the first bending unit, the second bending unit, the straightening unit and the lower roller box which are positioned on the lower portion are arranged on a lower machine frame, the upper machine frame is connected with one side of the lower machine frame through a rotating unit, and an open oil cylinder is arranged at the bottom end of the other side of the upper machine frame. The device saves space, reduces cost, and the plate shape uniformity of production is higher, and the production precision increases by a wide margin.

Description

Open locking type high-precision composite withdrawal and straightening device

Technical Field

The invention belongs to the technical field of withdrawal and straightening devices, and particularly relates to an open locking type high-precision composite withdrawal and straightening device.

Background

The buckling deformation of the strip can occur in the rolling production process, and the strip needs to be straightened by a straightening device to improve the plate shape in order to facilitate the deep drawing processing in the later period. The existing withdrawal and straightening unit is lack of a gap eliminating device, so that the gap generated by a rotating shaft can not be eliminated in the withdrawal and straightening process, and the production precision is reduced.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides an open locking type high-precision composite straightening and withdrawing device, which saves space, reduces cost, has higher consistency of the produced plate shape and greatly improves production precision.

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

the open-locking high-precision composite straightening device is characterized by comprising a double-bending single straightening machine and a 23-roller precision straightening machine, wherein a first bending unit, a second bending unit and a straightening unit are symmetrically arranged on the double-bending single straightening machine from top to bottom, an upper roller box and a lower roller box are symmetrically arranged on the 23-roller precision straightening machine from top to bottom, the first bending unit, the second bending unit, the straightening unit and the upper roller box which are positioned on the upper portion are arranged on an upper frame, the first bending unit, the second bending unit, the straightening unit and the lower roller box which are positioned on the lower portion are arranged on a lower frame, the upper frame is connected with one side of the lower frame through a rotation unit, and open oil cylinders are symmetrically arranged at the bottom end of the other side of the upper frame from front to back in the longitudinal direction.

Further, a rotary locking oil cylinder is arranged between the double-bending single straightening machine and the 23-roller precision straightening machine.

Furthermore, the rotary locking oil cylinder is arranged on the lower rack, a cuboid locking plate is fixed to the top end of a piston rod of the rotary locking oil cylinder, cam units are arranged on the periphery of the lower end of the piston rod, a cam curve is machined on the inner wall of the lower side of an oil cylinder shell of the rotary locking oil cylinder, and the cam curve restrains the moving track of the cam units.

Furthermore, the cam units are symmetrically distributed on the lower portion of the piston rod, each cam unit comprises guide pillars horizontally arranged on the periphery of the lower portion of the piston rod, bearings are mounted at the end portions of the guide pillars, and when the piston rod extends out or retracts, the bearings move along the cam curves.

Furthermore, a deflection adjusting mechanism is arranged on one side of the lower frame.

Furthermore, a pressing structure is arranged on the upper rack, and the bottom end of the pressing structure is fixedly connected with the upper roll box.

Furthermore, a gap eliminating structure is arranged between the upper rack and the lower rack, and the two gap eliminating structures are respectively arranged at two ends between the upper rack and the lower rack.

Further, the anti-backlash structure comprises a shell, a cavity used for placing the disc spring group is arranged on the shell, a guide rod is arranged at the top end of the disc spring group, and a gland is arranged at the top end of the shell.

Furthermore, an upper frame position detection switch is arranged on one side, close to the opening oil cylinder, of the lower frame.

Furthermore, a lock plate position detection switch is arranged on an upper frame window of the upper frame.

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

an open-locking type high-precision composite straightening and withdrawal device saves space, reduces cost, has higher consistency of the produced plate shape, improves the yield of plate and strip materials, and greatly improves the production precision; the arrangement of the rotary unit is convenient for cleaning and maintaining the roller box; the gap between the upper frame and the lower frame is eliminated by the gap eliminating structure, so that the production precision of the equipment is greatly improved.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

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, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a structural diagram of an open-locking type high-precision composite withdrawal and straightening device according to an embodiment of the present invention;

FIG. 2 is a block diagram of an anti-backlash structure in accordance with an embodiment of the present invention;

FIG. 3 is a block diagram of a spin lock cylinder in accordance with an embodiment of the present invention;

wherein: 1. an upper frame; 2. a lower frame; 3. a first bending unit; 4. an oil cylinder; 5. a second bending unit; 6. a straightening unit; 7. rotating the locking oil cylinder; 8. a lower roll box; 9. a deflection adjusting mechanism; 10. a gap eliminating structure; 11. a rotation unit; 12. an upper roller box; 13. a pressing structure; 14. a housing; 15. a disc spring set; 16. a guide bar; 17. a gland; 18. a cuboid lock plate position detection switch; 19. an upper frame position detection switch; 20. an upper frame window; 71. a rectangular parallelepiped lock plate; 72. a cam unit; 73. a cylinder housing; 74 piston rod.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the invention, as detailed in the appended claims.

In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and examples.

As shown in fig. 1-3, the embodiment of the invention provides an open locking type high-precision composite withdrawal and straightening device, which comprises a double-bending single straightening machine and a 23-roll precision straightening machine, the double-bending single straightening machine is symmetrically provided with a first bending unit 3, a second bending unit 5 and a straightening unit 6 from top to bottom, the 23-roll precision straightening machine is provided with an upper roll box 12 and a lower roll box 8 which are vertically and symmetrically arranged, a first bending unit 3, a second bending unit 5, a straightening unit 6 and the upper roll box 12 which are positioned at the upper part are arranged on the upper frame 1, a first bending unit 3, a second bending unit 5, a straightening unit 6 and the lower roll box 8 which are positioned at the lower part are arranged on the lower frame 2, the upper frame 1 is connected with one side of the lower frame 2 through a rotary unit 11, the bottom end of the other side of the upper frame 1 is vertically and symmetrically provided with opening oil cylinders 4, the upper frame 1 is supported by opening the piston rod of the cylinder 4 with the axis of the revolving unit 11 as the center of rotation. The double-bending single straightener and the 23-roller precision straightener are formed by combining an upper rack and a lower rack, the production specification is 0.1-1.0 mm and is expanded to 0.05-1.0 mm, when the first bending unit 3 works, the production specification is 0.08-1.0 mm, when the second bending unit 5 works, the production specification is 0.05-0.15 mm, the production specification is expanded due to the arrangement of the two bending units, plate strips in two different ranges can be straightened, the upper rack 1 can be opened due to the arrangement of the rotary unit 11, and the opening structure is beneficial to cleaning and maintenance of a roller box.

As shown in figure 1, a rotary locking oil cylinder 7 is arranged between a double-bending single straightening machine and a 23-roll precision straightening machine. Rotatory locking hydro-cylinder 7 sets up on frame 2 down, the piston rod top of rotatory locking hydro-cylinder 7 is fixed with the cuboid jam plate, the cam unit is equipped with to piston rod bottom both sides, the processing of the casing downside inner wall of rotatory locking hydro-cylinder 7 has the cam curve. When tension fluctuation and hydraulic pressure fluctuation occur, the positioning of the opening oil cylinder 4 is inaccurate, the rotation locking oil cylinder is added, the working position of the upper frame 1 is locked, the working positions of all the roller boxes are kept still, and the consistency of the produced plate shape is higher.

As shown in fig. 3, the rotation locking cylinder 7 is disposed on the lower frame 2, a rectangular parallelepiped locking plate 71 is fixed at the top end of a piston rod 74 of the rotation locking cylinder 7, cam units 72 are mounted on two sides of the bottom end of the piston rod 74, a cam curve is processed on the inner wall of the lower side of a cylinder housing 73 of the rotation locking cylinder 7, and the cam curve restricts the moving track of the cam unit 72. When the upper frame needs to be opened, the rotary locking oil cylinder 7 is in an opening state. The opening process is that piston rod 74 stretches out under oil pressure drive when, because the cam unit is installed all around to piston rod 74 lower extreme, under the curve constraint, piston rod 74 stretches out the limit rotation, piston rod 74 has rotated 90 degrees when having walked the stroke exactly when piston rod 74, also drive cuboid jam plate 71 and have rotated 90 degrees simultaneously, thereby make the window direction of cuboid jam plate and last frame unanimous, detect the position of cuboid jam plate 71 through cuboid jam plate position detection switch 18 simultaneously, after the detection switch signaling of cuboid jam plate 71, go up the frame and just can carry out the instruction of opening under the effect of opening hydro-cylinder 4. When the upper frame needs to be closed, the precondition is that the rotary locking oil cylinder 7 is in an open state, and at the moment, the detection switch of the cuboid locking plate 71 is in a signaling state all the time. When the upper frame is closed in place under the action of the opening oil cylinder 4, the upper frame position detection switch 19 detects that the upper frame is closed in place and starts to send a signal, the rotary locking oil cylinder 7 can execute a retraction instruction of the piston rod 74 at the moment, the upper frame and the lower frame are further locked, when the piston rod 74 retracts under the driving of oil pressure, the cam units are arranged on two sides of the lower end of the piston rod 74, under the constraint of a curve, the piston rod rotates while retracting, when the piston rod retracts to the bottom, the piston rod rotates 90 degrees right, and meanwhile, the cuboid lock plate is driven to rotate 90 degrees, so that the cuboid lock plate and the window direction of the upper frame form 90 degrees, the cuboid lock plate is pressed on the bottom surface of the window of the upper frame, and the upper frame and the lower frame are locked together.

Preferably, a deflection adjusting mechanism 9 is provided at one side of the lower frame 2. To equalize stress in the strip and improve the sheet shape.

Be provided with down and press structure 13 on the upper rack 1, down press structure 13 bottom and last roller box 12 fixed connection, through the height that adjusts 13 pushing down of screw-down mechanism, and then adjust the interval between 23 roller last roller box 12 and 23 roller lower roller box 8.

As shown in fig. 2, two anti-backlash structures 10 are arranged between the upper frame 1 and the lower frame 4, and the two anti-backlash structures 10 are respectively located at two ends between the upper frame 1 and the lower frame 4, so as to improve the precision of equipment production. The anti-backlash structure 10 comprises a shell 14, wherein a cavity for placing a disc spring group 15 is arranged on the shell 14, a guide rod 16 is arranged at the top end of the disc spring group 15, and a gland 17 is arranged at the top end of the shell. The shell 14 is arranged on the lower frame 2, the top of the guide rod 16 is contacted with the lower surface of the upper frame 1 through the reaction force generated by the disc spring set 15, the top surface of the guide rod 16 is a circular arc surface, when acting on the circular arc surface of the guide rod 16, the guide rod 16 moves downwards to compress the disc spring set 15 and enable the disc spring set 15 to deform, meanwhile, the disc spring set 15 generates the reaction force upwards, the gap between the upper frame and the lower frame is eliminated, and the arrangement of the gap eliminating structure enables the production precision of the device to be greatly improved.

The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.

It is to be understood that the present invention is not limited to what has been described above, and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims

1. An opening locking type high-precision composite straightening device is characterized by comprising a double-bending single straightening machine and a 23-roller precision straightening machine, the double-bending single straightener is symmetrically provided with a first bending unit (3), a second bending unit (5) and a straightening unit (6) from top to bottom, the 23-roll precision straightening machine is provided with an upper roll box (12) and a lower roll box (8) which are vertically and symmetrically arranged, a first bending unit (3), a second bending unit (5), a straightening unit (6) and the upper roll box (12) which are positioned at the upper part are arranged on an upper rack (1), the first bending unit (3), the second bending unit (5), the straightening unit (6) and the lower roll box (8) which are positioned at the lower part are arranged on a lower rack (2), the upper frame (1) is connected with one side of the lower frame (2) through a rotary unit (11), and opening oil cylinders (4) are longitudinally and symmetrically arranged at the bottom end of the other side of the upper rack (1) in the front-back direction.

2. The open locking type high-precision composite pulling and straightening device according to claim 1, wherein a rotary locking oil cylinder (7) is arranged between the double-bending single straightening machine and the 23-roll precision straightening machine.

3. The open locking type high-precision composite straightening device according to claim 2, wherein the rotary locking oil cylinder (7) is arranged on the lower frame (2), a cuboid locking plate (71) is fixed to the top end of a piston rod (74) of the rotary locking oil cylinder (7), cam units (72) are mounted on the periphery of the lower end of the piston rod (74), a cam curve is machined on the inner wall of the lower side of an oil cylinder shell (73) of the rotary locking oil cylinder (7), and the cam curve restrains the moving track of the cam units (72).

4. The open-locking type high-precision composite withdrawal and straightening device as claimed in claim 3, wherein the cam units (72) are symmetrically distributed on the lower part of the piston rod, the cam units (72) comprise guide posts horizontally arranged around the lower part of the piston rod, bearings are mounted at the ends of the guide posts, and the bearings move along the cam curves when the piston rod extends/retracts.

5. The open locking type high-precision composite withdrawal and straightening device as claimed in claim 1, wherein a deflection adjusting mechanism (9) is arranged on one side of the lower frame (2).

6. The open locking type high-precision composite withdrawal and straightening device according to claim 1, characterized in that a pressing structure (13) is arranged on the upper frame (1), and the bottom end of the pressing structure (13) is fixedly connected with the upper roller box (12).

7. The open locking type high-precision composite withdrawal and straightening device according to claim 1, characterized in that an anti-backlash structure (10) is arranged between the upper frame (1) and the lower frame (4), and two anti-backlash structures (10) are arranged at two ends between the upper frame (1) and the lower frame (2).

8. The open locking type high-precision composite withdrawal and straightening device according to claim 7, wherein the anti-backlash structure (10) comprises a shell (14), a cavity for placing a disc spring set (15) is arranged on the shell (14), a guide rod (16) is arranged at the top end of the disc spring set (15), and a gland (17) is arranged at the top end of the shell.

9. The opening locking type high-precision composite withdrawal and straightening device as claimed in claim 1, wherein an upper frame position detection switch (19) is arranged on one side of the lower frame (2) close to the opening cylinder (4).

10. The open locking type high-precision composite withdrawal and straightening device according to claim 1, characterized in that a lock plate position detection switch (18) is arranged on an upper frame window (20) of the upper frame (1).