CN217551382U

CN217551382U - Cutting device for intersecting line of curved rod

Info

Publication number: CN217551382U
Application number: CN202221540245.XU
Authority: CN
Inventors: 吴国进; 刘雪莉; 孙坤; 杜帅帅; 张昌龙; 赵鹏程
Original assignee: Jiangsu Hengzhi Heavy Industry Manufacturing Co ltd
Current assignee: Jiangsu Hengzhi Heavy Industry Manufacturing Co ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-10-11
Anticipated expiration: 2032-06-20

Abstract

The utility model discloses a cutting device of curved arc member intersecting line, its technical scheme main points are: the grinding device comprises a supporting plate, wherein a grinding block is fixedly arranged on the top surface of the supporting plate, and a workpiece is arranged on the top surface of the supporting plate; the subassembly of polishing, the subassembly of polishing sets up the top surface of backup pad is used for polishing the work piece, through the subassembly of polishing behind the plasma aircraft nose with the excircle wall cutting one millimeter's of work piece intersecting line, will intersect the line and polish until workpiece surface is level and smooth, thereby can not influence the subsequent bending operation of work piece, it is rotatory to take the work piece to begin to rotate through driving motor, the plasma aircraft nose begins to cut the work piece according to the intersecting line that has set for this moment, the cutting is accomplished back electronic hydraulic stem and is driven the work piece and descend to laminating mutually with abrasive paper, driving motor restarts to polish until the surface level and smooth of work piece to the surface intersecting line of work piece this moment, pass the inside that the screw hole extends to the tray through the bolt and establish with joint hole movable sleeve.

Description

Cutting device for intersecting line of curved rod piece

Technical Field

The utility model relates to an intersecting line cutting technical field, concretely relates to cutting device of curved rod spare intersecting line.

Background

The cold bending principle of the steel pipe is that the outer side of the steel pipe is stretched and the inner side of the steel pipe is contracted through external force to generate plastic deformation, so that the aim of bending the steel pipe is fulfilled. The steel pipe cold bending radius is in proportional relation with the diameter of the steel pipe and the wall thickness of the steel pipe, the larger the diameter of the steel pipe is, the larger the minimum cold bending radius is, the smaller the wall thickness is, local instability in the bending process is caused, local depression is easy to generate, and the larger the small cold bending radius is.

The two ends of the rod piece need to be clamped and fixed in the pipe bending process, the length of the clamping part is about 300-500 mm, the bending of the rod piece cannot be carried out in the pipe bending process, and if the radius of the bending of the rod piece is smaller, the shape of the rod piece is greatly influenced by the clamping part. In order to eliminate the influence of the section, a lengthening rod is required during arc bending, and the lengthening part is cut off after the arc bending is finished. If there is the looks transversal simultaneously at curved arc member tip, can't adopt the cutting of looks transversal cutting machine again after the member curved arc, if do the cutting of looks transversal earlier and can not guarantee member tip curved arc precision, through manual cutting looks transversal during current method, but manual cutting does not have the reference line, causes the deviation very easily, consequently needs one kind can cut out the device that looks transversal shape does the reference for manual cutting on the work piece to the transversal shape that the cutting was accomplished can not lead to the fact the influence when follow-up crooked work piece.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a cutting device of curved arc member looks transversal has solved one kind and can cut out the looks transversal shape on the work piece and do the reference for artifical cutting to the device that the looks transversal shape of cutting completion can not cause the influence when to follow-up crooked work piece.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a cutting device for intersecting lines of curved rods comprises: the grinding device comprises a supporting plate, a grinding block and a workpiece, wherein the top surface of the supporting plate is fixedly provided with the grinding block; the polishing component is arranged on the top surface of the supporting plate and used for polishing the workpiece.

Through adopting above-mentioned technical scheme, cross and set up the subassembly of polishing, through the subassembly of polishing behind the plasma aircraft nose with the excircle wall cutting one millimeter's of work piece intersecting line, polish the intersecting line, until the work piece surface is level and smooth, thereby can not influence the subsequent crooked operation of work piece, this kind of earlier cutting department intersecting line shape then crooked mode, not only do not refer to when having avoided manual cutting and cause cutting accuracy not enough, also avoided doing earlier the problem that intersecting line cutting can not guarantee member tip camber precision.

Preferably, the grinding assembly comprises: abrasive paper, abrasive paper fixed mounting be in the interior round wall of sanding block, the top surface fixed mounting of backup pad has the fixed block, be provided with the drive block between the fixed block is inside, the drive opening has been seted up to one side of drive block, one side fixed mounting of drive block has driving motor, the one end of driving motor drive shaft is passed the drive opening extends to the opposite side of drive block, the left and right sides of backup pad all is provided with electronic hydraulic stem.

Through adopting above-mentioned technical scheme, through setting up driving motor, take the work piece to begin to rotate through driving motor, the plasma aircraft nose begins to cut the work piece according to the intersection line that has set for this moment, and the electronic hydraulic stem drives after the cutting is accomplished, and the work piece descends to laminating mutually with abrasive paper, and driving motor restarts again this moment and polishes the surface intersection line of work piece until the surface of work piece is level and smooth.

Preferably, a tray is fixedly mounted at one end of the driving shaft of the driving motor, a plurality of threaded holes are formed in the outer circle wall surface of the tray, bolts are connected to the threaded holes in a threaded manner, penetrate through the threaded holes and extend into the tray, clamping blocks are arranged at the bottom ends of the bolts, clamping holes are formed in the top surfaces of the clamping blocks, and the bolts are movably sleeved with the clamping holes.

Through adopting above-mentioned technical scheme, through setting up the bolt, pass the inside that the screw hole extends to the tray and establish with joint hole movable sleeve through the bolt to make the work piece by the inside of fixed mounting tray.

Preferably, the bottom surfaces of the clamping blocks are fixedly provided with friction blocks, and the friction blocks are tightly attached to the outer circle wall surface of the workpiece.

Through adopting above-mentioned technical scheme, through setting up the clutch blocks, through the excircle wall of clutch blocks and work piece closely laminating to can prevent that the work piece from rotating too fast when polishing, lead to joint piece and work piece frictional force to lead to the work piece to slide inadequately.

Preferably, a limiting column is fixedly mounted on one side inside the tray, and the workpiece is movably sleeved on the outer circle wall surface of the limiting column.

By adopting the technical scheme, the workpiece is limited by arranging the limiting column and sleeving the workpiece on the limiting column, so that the clamping block can be conveniently installed by workers.

Preferably, spacing mouthful have all been seted up to the left and right sides of fixed block, the equal fixed mounting in the left and right sides of drive block has the stopper, the stopper with spacing mouthful activity joint, two the bottom surface of stopper respectively with two the one end fixed mounting of electric hydraulic stem telescopic link.

Through adopting above-mentioned technical scheme, through setting up the stopper, through stopper and spacing mouthful activity joint to make electronic hydraulic stem can not make the stopper position skew when removing the stopper.

To sum up, the utility model discloses mainly have following beneficial effect:

through setting up the subassembly of polishing, through the subassembly of polishing behind the plasma aircraft nose with the excircle wall cutting one millimeter's of work piece intersecting line, polish the intersecting line, it is level and smooth until the workpiece surface, then crooked with the work piece, carry out the manual cutting according to the intersecting line shape of cutting after the bending, this kind of mode of cutting department intersecting line shape then bending earlier, do not refer to when not only having avoided the manual cutting and cause cutting accuracy not enough, the intersecting line influence after having also avoided the cutting, the bending of follow-up work piece.

Through setting up the bolt, pass the inside that the screw hole extends to the tray and establish with joint hole movable sleeve through the bolt to make the work piece by the inside of fixed mounting tray, through setting up the clutch blocks, closely laminate through the excircle wall of clutch blocks with the work piece, thereby can prevent that the work piece from rotating too fast when polishing, lead to joint piece and work piece frictional force inadequately to lead to the work piece to slide.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the split structure of the present invention;

fig. 3 is a schematic structural view of the clamping block of the present invention;

fig. 4 is a schematic view of the fixing block structure of the present invention.

Reference numerals: 1. a support plate; 2. grinding blocks; 3. a workpiece; 4. sand paper; 5. a fixed block; 6. a drive block; 7. a drive aperture; 8. a drive motor; 9. an electro-hydraulic lever; 10. a tray; 11. a threaded hole; 12. a bolt; 13. a clamping block; 14. a clamping hole; 15. a friction block; 16. a limiting port; 17. a limiting block; 18. a limiting post; 19. a plasma head.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, a cutting device for an intersecting line of a curved arc rod, including a supporting plate 1, the top surface fixed mounting of supporting plate 1 has a polishing block 2, the top surface of supporting plate 1 is provided with a workpiece 3, workpiece 3 is not described herein for existing structure, the top surface of supporting plate 1 is provided with a polishing component for polishing workpiece 3, the polishing component includes a sand paper 4, sand paper 4 is not described herein for existing structure, sand paper 4 is fixedly mounted on the inner circle wall surface of polishing block 2, the top surface fixed mounting of supporting plate 1 has a fixing block 5, be provided with a driving block 6 between the inside of fixing block 5, a driving hole 7 has been seted up to one side of driving block 6, one side fixed mounting of driving block 6 has a driving motor 8, driving motor 8 is not described herein for existing structure, one end of driving motor 8 driving shaft passes through driving hole 7 and extends to the opposite side of driving block 6, both sides of supporting plate 1 are provided with electric hydraulic rods 9, electric hydraulic rods 9 are not described herein for existing structure, through setting driving motor 8, start rotating workpiece 3, start up cutting of workpiece 3 and finish cutting according to smooth workpiece 3, this moment, the workpiece intersection line is started again for smooth workpiece 3.

Refer to fig. 1, fig. 2, fig. 3 and fig. 4, the one end fixed mounting of 8 drive shafts of driving motor has tray 10, a plurality of screw hole 11 has been seted up to tray 10's excircle wall, screw hole 11 is not repeated at this for existing structure, the inside threaded connection of screw hole 11 has bolt 12, bolt 12 does not do here for existing structure and gives unnecessary detail, bolt 12 passes the inside that screw hole 11 extends to tray 10, bolt 12's bottom is provided with joint piece 13, joint hole 14 has been seted up to joint piece 13's top surface, bolt 12 establishes with joint hole 14 movable sleeve, the equal fixed mounting in bottom surface of a plurality of joint piece 13 has clutch blocks 15, clutch blocks 15 is the rubber material system, the excircle wall of work piece 3 closely laminates, inside one side fixed mounting of tray 10 has spacing post 18, work piece 3 establishes with the excircle wall movable sleeve of spacing post 18, spacing mouth 16 has all been seted up to the left and right sides of fixed block 5, the equal fixed mounting in the left and right sides of drive block 6 has stopper 17, stopper 17 and spacing mouth 16 movable joint, the bottom surface of two stopper 17 respectively with the one end fixed mounting of two electric power-driven hydraulic stem 9, through setting up the one end fixed mounting of spacing post 18, thereby the work piece is established on the spacing post 18, thereby the work piece is convenient telescopic link is established to the spacing post 18, thereby the work piece 13.

The working principle is as follows: referring to fig. 1-4, when the polishing device is used, by arranging the workpiece 3, the workpiece 3 is sleeved on the limiting column 18, then the bolt 12 is placed in the threaded hole 11 and is extruded into the clamping hole 14, the friction block 15 is tightly attached to the outer circular wall surface of the workpiece 3, then the electric hydraulic rod 9 is started, the electric hydraulic rod 9 drives the driving block 6 to ascend to the position of the plasma head 19 in the fixing block 5, then the driving motor 8 is started, the driving motor 8 drives the workpiece 3 to rotate and is cut by the plasma head 19, after the cutting is completed, the electric hydraulic rod 9 is started, and the electric hydraulic rod 9 drives the workpiece 3 to the inside of the polishing block 2 and starts polishing by the abrasive paper 4.

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

Claims

1. The utility model provides a cutting device of curved rod spare intersecting line which characterized in that includes:

the polishing device comprises a supporting plate (1), wherein a polishing block (2) is fixedly mounted on the top surface of the supporting plate (1), a workpiece (3) is arranged on the top surface of the supporting plate (1), and a plasma machine head (19) is arranged on the top surface of the supporting plate (1);

the polishing component is arranged on the top surface of the supporting plate (1) and used for polishing the workpiece (3).

2. The apparatus of claim 1, wherein the grinding assembly comprises:

abrasive paper (4), abrasive paper (4) fixed mounting be in the interior round wall of sanding block (2), the top surface fixed mounting of backup pad (1) has fixed block (5), be provided with drive block (6) between fixed block (5) inside, driving hole (7) have been seted up to one side of drive block (6), one side fixed mounting of drive block (6) has driving motor (8), the one end of driving motor (8) drive shaft is passed drive hole (7) and extend to the opposite side of drive block (6), the left and right sides of backup pad (1) all is provided with electronic hydraulic stem (9).

3. The cutting device for the intersecting line of the curved arc rod piece according to claim 2, wherein a tray (10) is fixedly installed at one end of a driving shaft of the driving motor (8), a plurality of threaded holes (11) are formed in the outer circle wall surface of the tray (10), a bolt (12) is connected to the inner threads of the threaded holes (11), the bolt (12) penetrates through the threaded holes (11) and extends to the inner portion of the tray (10), a clamping block (13) is arranged at the bottom end of the bolt (12), a clamping hole (14) is formed in the top surface of the clamping block (13), and the bolt (12) is movably sleeved with the clamping hole (14).

4. The device for cutting the intersecting line of the curved rod piece according to claim 3, wherein the bottom surfaces of the clamping blocks (13) are fixedly provided with friction blocks (15), and the friction blocks (15) are tightly attached to the outer circular wall surface of the workpiece (3).

5. The cutting device for the intersecting line of the curved rod pieces according to claim 3, wherein a limiting column (18) is fixedly arranged on one side of the inner part of the tray (10), and the workpiece (3) is movably sleeved with the outer circular wall surface of the limiting column (18).

6. The cutting device for the intersecting line of the curved arc rod pieces according to claim 2, wherein the left side and the right side of the fixing block (5) are provided with limiting openings (16), the left side and the right side of the driving block (6) are fixedly provided with limiting blocks (17), the limiting blocks (17) are movably clamped with the limiting openings (16), and the bottom surfaces of the limiting blocks (17) are fixedly arranged at one ends of the telescopic rods of the electric hydraulic rods (9) respectively.