CN114406860B

CN114406860B - Cold-rolled steel sheet burnishing device

Info

Publication number: CN114406860B
Application number: CN202210320994.XA
Authority: CN
Inventors: 郭海军; 王作山; 李艳红; 何松
Original assignee: Hebei Yanshan Iron And Steel Group Co ltd
Current assignee: Hebei Yanshan Iron And Steel Group Co ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-06-03
Anticipated expiration: 2042-03-30
Also published as: CN114406860A

Abstract

The invention relates to the technical field of steel plate processing, and particularly provides a cold-rolled steel plate polishing device which comprises a base, wherein a first support frame and a second support frame are arranged on the upper end surface of the base; the utility model discloses a polishing device, including support frame, reciprocal swing mechanism, swing drive assembly, linear driving mechanism, side clamp mechanism, and linear driving mechanism, be equipped with the internal stay clamping device on the support frame, be equipped with reciprocal swing mechanism on the support frame, reciprocal swing mechanism is including installing swing drive assembly on the support frame and by swing drive assembly drive realizes reciprocal wobbling elastic expansion plate, the flexible end of elastic expansion plate is equipped with linear driving mechanism, linear driving mechanism is last to be equipped with two polishing devices by its synchronous drive removal, be equipped with the side clamp mechanism on No. two support frames. The automatic polishing device can automatically and synchronously polish the inner side and the outer side of the straight line welding seam position of the cold-rolled steel plate steel winding drum, has controllable polishing quality, greatly improves the smoothness and the attractiveness of the transition between the welding seam position and the integral arc wall, and can achieve the aim of effective polishing.

Description

Cold-rolled steel sheet burnishing device

Technical Field

The invention relates to the technical field of steel plate processing, and particularly provides a cold-rolled steel plate polishing device.

Background

The cold-rolled steel sheet is produced by taking a hot-rolled steel coil as a raw material, removing oxide skin through acid washing, and then performing a continuous cold rolling process, namely a cold plate for short, wherein the finished product is a hard-rolled coil, and the cold-rolled steel sheet in the hard-rolled coil state has high material hardness but poor mechanical processing performance, so the cold-rolled steel sheet also needs to be subjected to annealing process treatment to recover the mechanical processing performance; cold-rolled steel sheets are widely used in various fields as steel sheet materials and are processed into steel sheet products of various structures.

In a plurality of steel plate products processed by taking cold-rolled steel plates as raw materials, a cylindrical steel coil cylinder can be processed by straight seam welding after curling and forming, in order to improve the smoothness, the flatness and the aesthetic degree of the welding position of the steel coil cylinder, the polishing processing treatment is generally needed to be carried out on the welding position of the cold-rolled steel plate steel coil cylinder, in the existing polishing processing process, the polishing processing is mainly carried out manually, the polishing on the welding position outside the steel coil cylinder is easier, but the polishing on the welding position inside the cylinder is more inconvenient, the polishing difficulty is increased when the length of the cylinder is longer, in addition, the straight seam welding position as the steel coil cylinder generally has a certain welding width in the circumferential direction, in an ideal state, the polished welding position should be in smooth transition along the direction of the inner arc and the outer arc, but the polishing quality of the smooth transition by manual polishing is generally uncontrollable, the polishing quality of the steel winding drum is influenced greatly by manual operation factors, and finally, the polishing quality of the steel winding drum is influenced.

Disclosure of Invention

In order to solve the above problems, the present invention provides a polishing apparatus for a cold rolled steel sheet, which solves the above problems mentioned in the background art.

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a cold-rolled steel plate polishing device comprises a base, wherein a first support frame and a second support frame are arranged on the upper end surface of the base, and a cylindrical shaft which axially points to one side of the second support frame is horizontally and fixedly arranged on the first support frame; the first support frame is provided with an inner support clamping device taking the central axis of the cylindrical shaft as an inner support clamping center, the first support frame is provided with a reciprocating swing mechanism, the reciprocating swing mechanism comprises a swing driving assembly and an elastic telescopic plate, the swing driving assembly is mounted on the first support frame, the elastic telescopic plate is driven by the swing driving assembly to realize reciprocating swing, the elastic telescopic plate is rotatably mounted on the cylindrical shaft and swings around the central axis of the cylindrical shaft, and the elastic telescopic plate is arranged along the radial direction of the cylindrical shaft in the elastic telescopic direction; a linear driving mechanism is assembled at the telescopic end of the elastic telescopic plate, two polishing devices driven by the linear driving mechanism to move synchronously are assembled on the linear driving mechanism, the two polishing devices are deviated to one side of the second support frame and are positioned below the inner support clamping device, the two polishing devices are distributed along the axial direction of the cylindrical shaft and are arranged oppositely, and the two polishing devices can move synchronously along the axial direction of the cylindrical shaft under the driving of the linear driving mechanism; and a side clamping mechanism is assembled on the second support frame, and the side clamping mechanism and the inner support clamping device are arranged oppositely.

Preferably, the swing driving assembly comprises a reciprocating driving cylinder fixed on the first supporting frame and a rack fixedly connected to the output end of the reciprocating driving cylinder; the elastic telescopic plate comprises a swinging plate rotatably mounted on the cylindrical shaft, a toothed fan meshed with the rack is arranged on the swinging plate, two guide rails parallel to the radial direction of the cylindrical shaft are arranged on the swinging plate, telescopic plates are mounted on the two guide rails in a sliding fit manner, and tension springs are connected between the telescopic plates and the swinging plate; the linear driving mechanism is assembled on the telescopic plate.

Preferably, the grinding and polishing device comprises a roller mounting frame, three driving rollers are horizontally and rotatably mounted on the roller mounting frame, the three driving rollers are uniformly distributed around the circumference of a central shaft of the roller mounting frame, and a polishing belt is jointly driven and arranged on the three driving rollers; in the two polishing devices, a connecting line of central axes of two of the drive rollers which are closest to each other is located in a radial direction of the cylinder axis.

Preferably, the inner support clamping device comprises a guide cylinder which is coaxially and fixedly connected to one end of the cylinder shaft, the guide cylinder is distributed on the same side of the first support frame relative to the grinding and polishing device, three guide openings are uniformly distributed on the guide cylinder around the circumference of the central shaft, and a cylinder end head is fixedly mounted at the front end of the guide cylinder; an inner support driving motor is fixedly arranged on the first support frame, a driving screw rod is fixedly connected to an output shaft of the inner support driving motor, the driving screw rod penetrates through the centers of the cylinder shaft and the guide cylinder, and the driving screw rod is horizontally and rotatably arranged between the first supporting frame and the cylinder end head, a driving block is connected to the driving screw in a threaded manner, is positioned in the guide cylinder and is in sliding fit with the three guide openings, the first support frame is provided with three slide rails which are uniformly distributed around the circumference of the central shaft of the guide cylinder, the guide direction of the slide rail is arranged along the radial direction of the guide cylinder, the three slide rails are all provided with inner support frames in sliding fit, the three inner support frames are uniformly distributed around the circumference of the central shaft of the guide cylinder, and the three inner support frames are hinged with the driving block through two ends of a connecting rod.

Preferably, the linear driving mechanism comprises two guide driving assemblies which are assembled with the two grinding and polishing devices in a one-to-one correspondence manner, each guide driving assembly comprises a driving lead screw horizontally and rotatably mounted on the expansion plate and a guide rod horizontally and fixedly connected to the expansion plate, the rotating roller mounting frame is in threaded fit with the driving lead screw, and the rotating roller mounting frame is in sliding fit with the guide rod; in the two guide driving assemblies, belt wheels are arranged at the shaft ends of the two driving screws, a transmission belt is sleeved between the two belt wheels, a motor fixing table is fixedly mounted on the expansion plate, a walking driving motor is fixedly mounted on the motor fixing table, and an output shaft of the walking driving motor is fixedly connected with the shaft end of one of the driving screws.

Preferably, burnishing and polishing device still includes motor mounting bracket and polishing driving motor, motor mounting bracket fixed mounting be in keep away from on the commentaries on classics roller mounting bracket one side end position of expansion plate, fixed mounting has polishing driving motor on the motor mounting bracket, be provided with sun gear, it is three on polishing driving motor's the output shaft the axle head of drive roller all be provided with sun gear meshed's driven gear.

Preferably, the inner support frame comprises a sliding beam, an inner support beam and a side beam; the sliding beam is in sliding fit with the sliding rail and is hinged with one end of the connecting rod, the long side direction of the inner supporting beam and the long side direction of the sliding beam are both axially parallel to the guide cylinder, and the inner supporting beam and the sliding beam are sequentially distributed from far to near in the radial direction away from the guide cylinder; the side roof beam sets up perpendicularly the sliding beam with between the internal stay roof beam, the side roof beam is connected be close to on the internal stay roof beam one end position of support frame, just the long limit direction of side roof beam is relative the internal stay roof beam is outwards stretched out.

Preferably, the side clamp mechanism comprises a side clamp cylinder horizontally and fixedly mounted on the second support frame and a side clamp plate fixed at the output end of the side clamp cylinder, and the side clamp plate is positioned between the first support frame and the second support frame.

The technical scheme has the following advantages or beneficial effects: 1. the invention provides a polishing device for a cold-rolled steel plate, which can replace manual work to clamp and position a steel coil drum on the basis of manually placing the cold-rolled steel plate steel coil drum in place, can synchronously polish the positions of inner and outer welding seams of the steel coil drum, can perform reciprocating swinging polishing along the arc radian directions of the inner and outer walls of the steel coil drum, and can perform automatic polishing, the polishing quality is controllable, the smoothness and the attractiveness of transition of the welding seam position of the steel coil drum and the whole arc wall are greatly improved, and the purpose of effective polishing can be achieved.

2. The invention provides a cold-rolled steel sheet polishing device, wherein an inner support clamping center of an inner support clamping device is superposed with a central axis of a cylinder shaft, an arranged reciprocating swing mechanism swings around the central axis of the cylinder shaft, two polishing devices are directly assembled on an elastic telescopic plate, after the inner support clamping device is used for clamping and positioning a steel coil cylinder, the central axis of the steel coil cylinder can be passively superposed with the central axis of the cylinder shaft on the basis of completing the inner support fixing of the steel coil cylinder, the elastic telescopic plate is used for passively completing the self-adaptive telescopic adjustment, so that the two polishing devices can synchronously reciprocate and swing around the central axis of the cylinder shaft along with the reciprocating swing mechanism, and then the inner and outer wall welding seam positions of the steel coil cylinder can be polished in a reciprocating swing mode along the arc direction through the two polishing devices.

3. The invention provides a cold-rolled steel plate polishing device, which can clamp and fix a steel coil cylinder through an inner support through the arrangement of the inner support clamping device, and can clamp and fix the shaft ends of two ends of the steel coil cylinder through the matching of a side edge beam and a side clamping plate, so that the steel coil cylinder is stably fixed, and the two polishing devices are favorable for accurately polishing and burnishing the position of a welding seam.

4. The invention provides a cold-rolled steel plate polishing device, which can synchronously drive two polishing devices to axially move along a steel coil barrel to realize full-coverage polishing of the whole welding seam position when the steel coil barrel with the axial length larger than the width of a polishing belt is polished by an arranged linear driving mechanism.

Drawings

The invention and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. The drawings, in which like numerals refer to like parts throughout the several views and which are not necessarily drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.

Fig. 1 is a schematic perspective view of a polishing apparatus for a cold-rolled steel sheet according to the present invention from a single viewing angle.

FIG. 2 is a perspective view of a polishing apparatus for a cold-rolled steel sheet according to the present invention from another perspective.

Fig. 3 is a partially enlarged schematic view at a in fig. 2.

FIG. 4 is a plan view of a polishing apparatus for a cold rolled steel sheet according to the present invention.

Fig. 5 is a sectional view of B-B in fig. 4.

Fig. 6 is a schematic perspective view of the assembly of the inner support clamping device and the first support frame.

Fig. 7 is a schematic perspective view of an assembly structure of the elastic telescopic plate, the linear driving mechanism and the polishing device at a viewing angle.

Fig. 8 is a schematic perspective view of an assembly structure of the elastic telescopic plate, the linear driving mechanism and the polishing device at another viewing angle.

Fig. 9 is a front view of an assembly structure of the elastic expansion plate, the linear driving mechanism and the grinding and polishing device.

FIG. 10 is a schematic view showing an operating state of a polishing apparatus for a cold rolled steel sheet according to the present invention.

In the figure: 1. a base; 11. a first support frame; 111. a cylindrical shaft; 12. a second support frame; 2. an inner support clamping device; 21. a guide cylinder; 211. a guide opening; 212. sealing the cylinder end; 22. an inner support driving motor; 23. a drive screw; 24. a drive block; 25. a slide rail; 26. an inner bracket; 261. a sliding beam; 262. an inner support beam; 263. a side beam; 27. a connecting rod; 3. a reciprocating swing mechanism; 31. a swing drive assembly; 311. a reciprocating driving cylinder; 312. a rack; 32. an elastically stretchable plate member; 321. a swing plate; 3211. a toothed fan; 3212. a guide rail; 322. a retractable plate; 323. a tension spring; 4. a linear drive mechanism; 41. a guide drive assembly; 411. driving a lead screw; 4111. a pulley; 412. a guide bar; 42. a motor fixing table; 43. a travel driving motor; 44. a drive belt; 5. grinding and polishing the device; 51. a roller mounting frame; 52. a drive roller; 521. a driven gear; 53. a polishing belt; 54. a motor mounting bracket; 55. polishing the driving motor; 551. a sun gear; 6. a side clamping mechanism; 61. a side clamping cylinder; 62. and a side clamping plate.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for the purpose of providing those skilled in the art with a more complete, accurate and thorough understanding of the concept and technical solution of the present invention, and to facilitate the implementation thereof, but not to limit the present invention.

As shown in fig. 2 and 6, the cold-rolled steel plate polishing device comprises a base 1, wherein a first support frame 11 and a second support frame 12 are arranged on the upper end surface of the base 1, and a cylindrical shaft 111 which axially points to one side of the second support frame 12 is horizontally welded on the first support frame 11.

As shown in fig. 1, 3, 5, 7, 8 and 9, a reciprocating swing mechanism 3 is mounted on a first support frame 11, the reciprocating swing mechanism 3 includes a swing driving assembly 31 mounted on the first support frame 11 and an elastic telescopic plate 32 driven by the swing driving assembly 31 to realize reciprocating swing, the elastic telescopic plate 32 is rotatably mounted on a cylindrical shaft 111, the elastic telescopic plate 32 is arranged in a swing manner around the central axis of the cylindrical shaft 111, and the elastic telescopic plate 32 is arranged in the elastic telescopic direction along the radial direction of the cylindrical shaft 111; the swing driving assembly 31 comprises a reciprocating driving cylinder 311 fixed on the first support frame 11 through a fixing plate and a rack 312 fixedly connected to the output end of the reciprocating driving cylinder 311 through a bolt, the reciprocating driving cylinder 311 can be directly purchased in the market, and the reciprocating stroke of the reciprocating driving cylinder can be correspondingly adjusted according to the swing amplitude of the elastic telescopic plate 32; the elastic telescopic plate 32 comprises a swing plate 321 rotatably mounted on the cylindrical shaft 111, a toothed sector 3211 meshed with the rack 312 is arranged on the swing plate 321, two guide rails 3212 parallel to the radial direction of the cylindrical shaft 111 are arranged on the swing plate 321, a telescopic plate 322 is mounted on the two guide rails 3212 in a sliding fit manner, and a tension spring 323 is welded between the telescopic plate 322 and the swing plate 321.

As shown in fig. 5, 7, 8 and 9, a linear driving mechanism 4 is assembled on the telescopic end of the elastic telescopic plate 32, two polishing devices 5 driven by the linear driving mechanism 4 to move synchronously are assembled on the linear driving mechanism 4, the two polishing devices 5 are deviated to one side of the second support frame 12 and are positioned below the inner support clamping device 2, the two polishing devices 5 are distributed and arranged along the radial direction of the cylindrical shaft 111, and are distributed along the radial direction so as to enable the two polishing devices 5 to swing concentrically in the reciprocating swing process along with the elastic telescopic plate 32, and the two polishing devices 5 will move synchronously along the axial direction of the cylindrical shaft 111 under the driving of the linear driving mechanism 4; the grinding and polishing device 5 comprises a roller mounting frame 51, three driving rollers 52 are horizontally and rotatably mounted on the roller mounting frame 51, the three driving rollers 52 are uniformly distributed around the circumference of the central shaft of the roller mounting frame 51, and polishing belts 53 are jointly driven and arranged on the three driving rollers 52; in the two burnishing and polishing apparatuses 5, the connection line of the central axes of the two driving rollers 52 which are relatively closest to each other is located in the radial direction of the cylinder axis 111. The polishing device 5 further comprises a motor mounting frame 54 and a polishing driving motor 55, the motor mounting frame 54 is welded at the position of the side end of one side of the rotating roller mounting frame 51 far away from the telescopic plate 322, the polishing driving motor 55 is fixedly mounted on the motor mounting frame 54 through a bolt, a central gear 551 is arranged on an output shaft of the polishing driving motor 55, and the shaft ends of the three driving rollers 52 are provided with driven gears 521 meshed with the central gear 551. It should be noted that, when the steel drum is polished, the inner and outer sides of the steel drum will be clamped and attached between the two polishing belts 53, as a cold-rolled steel sheet of the steel drum, the thickness of the material of most manufacturers is basically below 4.5mm, in order to ensure that the inner and outer walls of the steel drum can be clamped and attached between the two polishing belts 53 to achieve the purpose of effective polishing, in this embodiment, the polishing belts 53 generally comprise a belt body base layer and a polishing abrasive layer attached on the belt body base layer, so the belt body base layer of the polishing belts 53 may preferably be made of a flexible material with a certain thickness, for example, a flexible rubber belt may be used as the belt body base layer material, so that when the inner and outer walls of the steel drum are located between the two polishing belts 53, the purpose of both sides being attached can be achieved; in addition, the polishing belt 53 is an annular belt, the size of which can be customized according to the distribution size of the three driving rollers 52, and the polishing belt 53 can be regularly sleeved and replaced in the actual polishing process.

As shown in fig. 1, 3, 4, 5 and 6, an inner supporting clamping device 2 taking the central axis of a cylinder shaft 111 as an inner supporting clamping center is assembled on a first supporting frame 11, the inner supporting clamping device 2 comprises a guide cylinder 21 coaxially welded at one end of the cylinder shaft 111, the guide cylinder 21 is distributed on the same side of the first supporting frame 11 relative to the polishing device 5, three guide openings 211 are uniformly distributed on the guide cylinder 21 around the circumference of the central shaft, and a cylinder end head 212 is fixedly installed at the front end of the guide cylinder 21 through bolts; an inner support driving motor 22 is fixedly arranged on the first support frame 11 through bolts, a driving screw 23 is fixedly connected on an output shaft of the inner support driving motor 22, the driving screw 23 penetrates through the centers of the cylinder shaft 111 and the guide cylinder 21, and the driving screw 23 is horizontally and rotatably installed between the first support frame 11 and the cylinder end sealing head 212, the driving screw 23 is in threaded connection with a driving block 24, the driving block 24 is located in the guide cylinder 21 and is in sliding fit with the three guide openings 211, three slide rails 25 which are uniformly distributed around the circumference of the central shaft of the guide cylinder 21 are arranged on the first support frame 11, the guide direction of the slide rails 25 is arranged along the radial direction of the guide cylinder 21, inner support frames 26 are installed on the three slide rails 25 in a sliding fit manner, the three inner support frames 26 are uniformly distributed around the circumference of the central shaft of the guide cylinder 21, and the three inner support frames 26 and the driving block 24 are hinged and connected through two ends of a connecting rod 27. The inner bracket 26 comprises a sliding beam 261, an inner supporting beam 262 and a side beam 263; the sliding beam 261 is in sliding fit with the sliding rail 25 and is hinged with one end of the connecting rod 27, the long side direction of the inner supporting beam 262 and the long side direction of the sliding beam 261 are both axially parallel to the guide cylinder 21, and the inner supporting beam 262 and the sliding beam 261 are sequentially distributed from far to near in the radial direction away from the guide cylinder 21; the side beam 263 is vertically arranged between the sliding beam 261 and the inner supporting beam 262, the side beam 263 is connected to one end of the inner supporting beam 262 close to the first supporting frame 11, and the long side direction of the side beam 263 extends outwards relative to the inner supporting beam 262.

As shown in fig. 1, a side clamping mechanism 6 is mounted on the second support frame 12, and the side clamping mechanism 6 is arranged opposite to the inner support clamping device 2. The side clamping mechanism 6 comprises a side clamping cylinder 61 horizontally and fixedly arranged on the second support frame 12 and a side clamping plate 62 fixed at the output end of the side clamping cylinder 61, the side clamping plate 62 is positioned between the first support frame 11 and the second support frame 12, and the side clamping plate 62 is preferably in a sector ring shape.

When the straight line welding seam position inside and outside the section of thick bamboo to the steel reel that forms with cold-rolled steel sheet material processing polishes, can directly be with waiting that the steel reel section of thick bamboo wall of polishing fills in between the polishing belt 53 of two burnishing and polishing devices 5, and through rotating adjustment steel reel make the straight line welding seam position of interior outer tube wall just press from both sides tight laminating between two polishing belts 53, and along the steel reel of drive roller 52 axial displacement, make the laminating of steel reel section of thick bamboo end on three side boundary beam 263 until, three side boundary beam 263 provides placing spacing of steel reel one side bobbin end, it needs to notice that, when the design mounted position of three side boundary beam 263 made steel reel bobbin end and side boundary beam 263 laminating, the straight line welding seam position of steel reel and side boundary beam 263 laminating one end all was in the polished face scope of two polishing belts 53.

Subsequently, the steel coil cylinder is clamped by internally supporting the steel coil cylinder by starting the internally supporting clamping device 2, specifically, the driving screw 23 is driven to rotate by starting the internally supporting driving motor 22, the driving screw 23 drives the driving block 24 to move towards the side close to the cylinder end head 212 along the guide cylinder 21, the driving block 24 synchronously drives the three internally supporting frames 26 to slide outwards along the slide rail 25 through the three connecting rods 27, then the internally supporting beams 262 of the three internally supporting frames 26 finally realize the internally supporting clamping contact with the inner wall of the steel coil cylinder, the internally supporting clamping of the steel coil cylinder is realized through the internally supporting on the one hand, so that the fixed polishing is convenient, on the other hand, the coincidence of the central axis of the steel coil cylinder and the central axis of the cylinder shaft 111 is realized through the internally supporting, in the process of internally supporting and clamping the steel coil cylinder through the three internally supporting frames 26, because the inner wall and the outer wall of the steel coil cylinder are clamped between the two polishing devices 5, therefore, the contact position of the inner wall and the outer wall of the steel coil cylinder and the two polishing devices 5 is opposite to the half of the central axis of the cylinder shaft 111 The diameter will realize self-adjusting along with the flexible regulation of expansion plate 322 relative swing board 321, in addition, swing drive assembly 31 in swing board 321 swing the center axis also with the center axis of coil of strip section of thick bamboo realize the coincidence, consequently two burnishing and polishing device 5 can paste the section of thick bamboo inner and outer wall of coil of strip section of thick bamboo and carry out reciprocal swing polishing.

Automatic internal stay clamping location is accomplished to the coil of strip section of thick bamboo through internal stay clamping device 2, in order to better realize the fixed effect to the coil of strip section of thick bamboo, can start side clamp cylinder 61 and drive side splint 62 and paste tightly on coil of strip section of thick bamboo other end bobbin end position, then the coil of strip section of thick bamboo has constituted internal stay on the one hand and has pressed from both sides tightly fixedly, its both ends of on the other hand are pressed from both sides tightly and have been realized the axle head between side roof beam 263 and side splint 62 and press from both sides tightly, the fixed of the coil of strip section of thick bamboo has been guaranteed, be favorable to two polishing strips 53 to carry out the reciprocal swing polishing on the section of thick bamboo inside and outside wall of the coil of strip section of thick bamboo.

After the automatic fixing of the steel coil barrel is completed, the reciprocating swing mechanism 3 and the two polishing devices 5 can be synchronously started, on one hand, the polishing driving motor 55 is started to drive the central gear 551 to rotate, the central gear 551 drives the three driven gears 521 to drive the three driving rollers 52 to synchronously rotate, then the three driving rollers 52 drive the polishing belts 53 to move, so that after the two polishing devices 5 are started, the two polishing belts 53 polish the welding seam positions on the inner and outer walls of the steel coil barrel, on the other hand, the reciprocating driving cylinder 311 is started to drive the rack 312 to reciprocate in the horizontal direction, then the rack 312 drives the swing plate 321 to swing around the cylindrical shaft 111 through the toothed fan 3211 which is meshed with the rack, the two polishing devices 5 also synchronously swing to and fro along with the swing of the elastic telescopic plate 32, and then the two steel coil belts 53 perform reciprocating swing polishing within the circumferential width range of the welding seam positions inside and outside the steel coil barrel, and the inner and outer polishing belts 53 are used for arc transition polishing along the arc inner wall of the steel drum during reciprocating swing polishing, the whole polishing process is controllable, the smoothness and the attractiveness of the welding seam position are improved, and the polishing purpose is achieved.

As shown in fig. 5, 7, 8 and 9, the linear driving mechanism 4 includes two guiding driving assemblies 41 assembled with the two polishing devices 5 in a one-to-one correspondence manner, each guiding driving assembly 41 includes a driving screw 411 horizontally rotatably mounted on the telescopic plate 322 and a guide rod 412 horizontally welded on the telescopic plate 322, the roller mounting bracket 51 is in threaded fit connection with the driving screw 411, and the roller mounting bracket 51 is in sliding fit with the guide rod 412; in two direction drive assembly 41, all be provided with band pulley 4111 at the axle head that lies in two drive screw 411, overlap jointly between two band pulleys 4111 and be equipped with driving belt 44, the welding has motor fixed station 42 on the expansion plate 322, has walking driving motor 43 through bolt fixed mounting on the motor fixed station 42, walking driving motor 43's output shaft and one of them drive screw 411's axle head fixed connection.

In the grinding and polishing device 5, the driving roller 52 has a certain length, so the polishing belt 53 also has a certain width, when the axial length of the steel reel actually polished is smaller than the width of the polishing belt 53, after the steel reel finishes clamping the shaft end, obviously the whole welding seam position of the steel reel falls within the polishing processing range of the polishing belt 53, and at this time, the linear driving mechanism 4 does not need to be started; however, as shown in fig. 10, which is a schematic diagram of a processing state of polishing a steel reel whose axial length is greater than the width of the polishing belt 53, in the figure, M represents a steel reel product, N represents a butt-jointed linear weld seam on the steel reel, when the axial length of the steel reel actually polished is greater than the width of the polishing belt 53, after the steel reel completes the clamping of the shaft end, it is obvious that a part of the weld seam close to one end where the steel reel is attached to the side clamping plate 62 falls outside the polishing processing range of the two polishing belts 53, therefore, during the actual polishing process, the linear driving mechanism 4 needs to be intermittently started to drive the two polishing devices 5 to move in the axial direction of the steel reel, so as to achieve the full-coverage polishing of the linear weld seam, specifically, during the movement, one of the driving screws 411 is driven to rotate by the walking driving motor 43, and the two driving screws 411 will be driven by the driving belt 44 to synchronously rotate, then, the two polishing devices 5 are driven by the driving lead screw 411 and guided by the guide rod 412 to move synchronously in the axial direction of the steel coil barrel, so that the whole welding seam position of the steel coil barrel can be polished.

Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described in detail herein. Such variations do not affect the essence of the present invention and are not described herein.

The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; it will be understood by those skilled in the art that various changes and modifications may be made, or equivalents may be modified, without departing from the spirit of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.

Claims

1. A cold-rolled steel plate polishing device comprises a base (1), wherein a first support frame (11) and a second support frame (12) are arranged on the upper end surface of the base (1), and a cylindrical shaft (111) which axially points to one side of the second support frame (12) is horizontally and fixedly arranged on the first support frame (11); the method is characterized in that: the first support frame (11) is provided with an inner support clamping device (2) taking the central axis of the cylinder shaft (111) as an inner support clamping center, the first support frame (11) is provided with a reciprocating swing mechanism (3), the reciprocating swing mechanism (3) comprises a swing driving assembly (31) installed on the first support frame (11) and an elastic telescopic plate (32) driven by the swing driving assembly (31) to realize reciprocating swing, the elastic telescopic plate (32) is rotatably installed on the cylinder shaft (111), the elastic telescopic plate (32) is arranged in a swinging mode around the central axis of the cylinder shaft (111), and the elastic telescopic direction of the elastic telescopic plate (32) is arranged along the radial direction of the cylinder shaft (111); the elastic telescopic plate (32) is provided with a linear driving mechanism (4) at the telescopic end, the linear driving mechanism (4) is provided with two polishing devices (5) which are driven by the linear driving mechanism to move synchronously, the two polishing devices (5) are deviated to one side of the second support frame (12) and are positioned below the inner support clamping device (2), the two polishing devices (5) are distributed along the cylinder shaft (111) in the radial direction and are arranged oppositely, and the two polishing devices (5) can move synchronously along the axial direction of the cylinder shaft (111) under the driving of the linear driving mechanism (4); a side clamping mechanism (6) is assembled on the second support frame (12), and the side clamping mechanism (6) is arranged opposite to the inner support clamping device (2);

the swing driving assembly (31) comprises a reciprocating driving cylinder (311) fixed on the first supporting frame (11) and a rack (312) fixedly connected to the output end of the reciprocating driving cylinder (311); the elastic telescopic plate piece (32) comprises a swinging plate (321) rotatably mounted on the cylindrical shaft (111), a toothed sector (3211) meshed with the toothed rack (312) is arranged on the swinging plate (321), two guide rails (3212) parallel to the radial direction of the cylindrical shaft (111) are arranged on the swinging plate (321), a telescopic plate (322) is mounted on the two guide rails (3212) in a sliding fit manner, and a tension spring (323) is connected between the telescopic plate (322) and the swinging plate (321); the linear driving mechanism (4) is assembled on the expansion plate (322).

2. A cold rolled steel sheet polishing apparatus according to claim 1, wherein: the grinding and polishing device (5) comprises a roller mounting frame (51), three driving rollers (52) are horizontally and rotatably mounted on the roller mounting frame (51), the three driving rollers (52) are uniformly distributed around the circumference of the central shaft of the roller mounting frame (51), and polishing belts (53) are jointly driven and arranged on the three driving rollers (52); in the two sanding and polishing devices (5), the connection line of the central axes of the two drive rollers (52) which are closest to each other is positioned in the radial direction of the cylinder shaft (111).

3. A cold rolled steel sheet polishing apparatus according to claim 1, wherein: the inner support clamping device (2) comprises a guide cylinder (21) which is coaxially and fixedly connected to one end of the cylinder shaft (111), the guide cylinder (21) is distributed on the same side of the first support frame (11) relative to the grinding and polishing device (5), three guide openings (211) are uniformly distributed on the guide cylinder (21) around the circumference of a central shaft, and a cylinder end head (212) is fixedly mounted at the front end of the guide cylinder (21); the supporting frame (11) is fixedly provided with an inner supporting driving motor (22), an output shaft of the inner supporting driving motor (22) is fixedly connected with a driving screw rod (23), the driving screw rod (23) is penetrated through from the cylinder shaft (111) and the center of the guide cylinder (21), the driving screw rod (23) is horizontally and rotatably arranged between the supporting frame (11) and the cylinder end sealing head (212), the driving screw rod (23) is connected with a driving block (24) in a threaded manner, the driving block (24) is positioned in the guide cylinder (21) and is in sliding fit with the three guide openings (211), the supporting frame (11) is provided with three sliding rails (25) which are uniformly distributed around the circumference of the center shaft of the guide cylinder (21), and the guide direction of the sliding rails (25) is arranged along the radial direction of the guide cylinder (21), the three slide rails (25) are all provided with inner brackets (26) in a sliding fit mode, the three inner brackets (26) are uniformly distributed around the circumference of the central shaft of the guide cylinder (21), and the three inner brackets (26) and the driving block (24) are hinged and connected through two ends of a connecting rod (27).

4. A cold rolled steel sheet polishing apparatus according to claim 2, wherein: the linear driving mechanism (4) comprises two guiding driving assemblies (41) which are assembled with the two grinding and polishing devices (5) in a one-to-one correspondence mode, each guiding driving assembly (41) comprises a driving lead screw (411) which is horizontally and rotatably installed on the expansion plate (322) and a guide rod (412) which is horizontally and fixedly connected to the expansion plate (322), the rotating roller mounting frame (51) is in threaded fit connection with the driving lead screw (411), and the rotating roller mounting frame (51) is in sliding fit with the guide rods (412); two in direction drive assembly (41), be located two the axle head of drive lead screw (411) all is provided with band pulley (4111), two the common cover is equipped with driving belt (44) between band pulley (4111), fixed mounting has motor fixed station (42) on expansion plate (322), fixed mounting has walking driving motor (43) on motor fixed station (42), the output shaft and one of them of walking driving motor (43) the axle head fixed connection of drive lead screw (411).

5. A cold rolled steel sheet polishing apparatus according to claim 2, wherein: the polishing device (5) further comprises a motor mounting frame (54) and a polishing driving motor (55), the motor mounting frame (54) is fixedly mounted at the position, far away from the side end of one side of the expansion plate (322), of the rotating roller mounting frame (51), the polishing driving motor (55) is fixedly mounted on the motor mounting frame (54), a central gear (551) is arranged on an output shaft of the polishing driving motor (55), and the shaft ends of the driving rollers (52) are provided with driven gears (521) meshed with the central gear (551).

6. A cold rolled steel sheet polishing apparatus according to claim 3, wherein: the inner support frame (26) comprises a sliding beam (261), an inner support beam (262) and a side beam (263); the sliding beam (261) is in sliding fit with the sliding rail (25) and is hinged to one end of the connecting rod (27), the long edge direction of the inner supporting beam (262) and the long edge direction of the sliding beam (261) are axially parallel to the guide cylinder (21), and the inner supporting beam (262) and the sliding beam (261) are sequentially distributed from far to near in the radial direction away from the guide cylinder (21); the side edge beam (263) is vertically arranged between the sliding beam (261) and the inner supporting beam (262), the side edge beam (263) is connected to the inner supporting beam (262) and close to one end of the first supporting frame (11), and the long edge direction of the side edge beam (263) is opposite to the outer extension of the inner supporting beam (262).

7. A cold rolled steel sheet polishing apparatus according to claim 1, wherein: side clamp mechanism (6) include horizontal fixed mounting side on No. two support frames (12) press from both sides cylinder (61) and fix side splint (62) of side clamp cylinder (61) output, side splint (62) are located No. one support frame (11) with between No. two support frames (12).