CN114701266A - Digital printing production line for coil steel - Google Patents
Digital printing production line for coil steel Download PDFInfo
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- CN114701266A CN114701266A CN202210347380.0A CN202210347380A CN114701266A CN 114701266 A CN114701266 A CN 114701266A CN 202210347380 A CN202210347380 A CN 202210347380A CN 114701266 A CN114701266 A CN 114701266A
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- coil steel
- conveying roller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
- B41J3/413—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material for metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0015—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
- B41J15/04—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
- B41J15/16—Means for tensioning or winding the web
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/01—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for special character, e.g. for Chinese characters or barcodes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention relates to a digital printing production line for coil steel, which comprises an unreeling device, a digital printing device and a reeling device; the digital printing apparatus includes: a frame body; the two intermittent conveying rollers are arranged on the frame body in an intermittent rotating manner; the two ends of the intermittent conveying roller are coaxially provided with baffle rings, each baffle ring comprises a plurality of arc-shaped plates which are spliced, each arc-shaped plate is movably connected to the intermittent conveying roller along the axial direction of the intermittent conveying roller, and a first elastic part capable of pushing the arc-shaped plates to move towards the direction away from the axial direction of the intermittent conveying roller is arranged on the intermittent conveying roller corresponding to each arc-shaped plate; the pushing pieces are arranged at the positions of the two ends of the frame body corresponding to the intermittent conveying rollers, and the two pushing pieces can push the arc-shaped plates at the upper sides of the outer edges of the two ends of the intermittent conveying rollers to move towards the direction of approaching each other to clamp the coil steel; the ink-jet printing head is arranged on the upper side of the frame body. The invention has the effect of realizing the rapid and continuous coil steel printing.
Description
Technical Field
The invention relates to the technical field of coil steel printing, in particular to a coil steel digital printing production line.
Background
The coil steel is also called steel coil. The thin steel plate is formed after steel hot pressing and cold press molding, and the steel plate is curled to form coil steel for convenient storage and transportation, so that subsequent various processing can be conveniently carried out. The steel coil product has high strength, good toughness and various specifications and varieties of steel, so the steel coil product has wide application and also can be used as a common shell material in various power plants. However, when the coil steel is processed into various products, the surface of the coil steel of the product to be processed is generally printed in order to further improve the appearance of the home appliance.
At present, the printing effect of the metal material is good, the printing mode is mainly a flat digital printing mode, when the printing mode is operated, the steel plate is firstly required to be cut into small sizes, then the steel plate is flatly paved on a printer, the printing is carried out through the printer, the steel plate is taken down after the printing is finished, and the new steel plate is reapplied and placed for printing. However, the lithographic digital printing method has small printing size and low efficiency, and is difficult to be applied to large-batch continuous production.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a digital printing production line for coil steel, which can realize the printing of the coil steel rapidly and continuously.
The above object of the present invention is achieved by the following technical solutions:
a digital printing production line for coil steel comprises an unreeling device, a digital printing device and a reeling device which are arranged in sequence;
wherein, the digital printing device includes:
a frame body;
the two intermittent conveying rollers are arranged on the frame body in an intermittent rotating manner and are used for conveying the coil steel; the two ends of the intermittent conveying roller are coaxially provided with baffle rings, each baffle ring comprises a plurality of arc-shaped plates which are spliced, each arc-shaped plate is movably connected to the intermittent conveying roller along the axial direction of the intermittent conveying roller, and a first elastic part capable of pushing the arc-shaped plates to move towards the direction away from the axial direction of the intermittent conveying roller is arranged on the intermittent conveying roller corresponding to each arc-shaped plate;
the pushing pieces are arranged at the positions of the two ends of the frame body corresponding to the intermittent conveying rollers, and the two pushing pieces can push the arc-shaped plates at the upper sides of the outer edges of the two ends of the intermittent conveying rollers to move towards the direction of approaching each other to clamp the coil steel;
the ink-jet printing head is arranged on the upper side of the frame body and used for ink-jet printing of the coil steel.
By adopting the technical scheme, the coil steel is unreeled through the unreeling device, the unreeled coil steel enters the digital printing device, when the coil steel is conveyed to the upper side of the intermittent conveying roller, because the baffle ring of the intermittent conveying roller is spliced by a plurality of arc-shaped plates, each arc-shaped plate tends to move away from the axis middle direction of the intermittent conveying roller under the pushing of the first elastic piece, when each arc-shaped plate rotates to the intermittent conveying roller along with the intermittent conveying roller in sequence, due to the pushing of the first elastic piece, the arc-shaped plates can not tightly push the two sides of the coil steel, so that the coil steel can be smoothly conveyed to the excircle upper side of the gap conveying roller, and after the coil steel is conveyed to the upper side of the intermittent conveying roller, the pushing piece pushes the arc-shaped plate at the excircle upper side of the intermittent conveying roller to move towards the axis middle direction of the intermittent conveying roller, thereby clamping the coil steel conveyed on the upper side of the intermittent conveying roller is realized, and when the arc-shaped plates rotate to cross the excircle upper side of the intermittent conveying roller, the arc breaks away from the promotion of impeller and will loosen the clamp to the coil steel yet, guarantee that the coil steel can not rotate along with intermittent type conveying roller and twine on intermittent type conveying roller, make the coil steel rotate along with intermittent type conveying roller synchronous, so can realize rectifying location of coil steel and can make the coil steel carry out intermittent type along with the intermittent type rotation of intermittent type conveying roller and carry out intermittent type and carry, cooperation ink jet print head prints the upper surface of coil steel, it can to carry out the rolling through the coiling mechanism after the completion to print, and then realized the contact printing of coil steel, high efficiency, be applicable to large batch continuous production.
Optionally, the digital printing production line of coil steel further includes:
the oil removing device is arranged between the unreeling device and the digital printing device and is used for removing oil on the surface of the coiled steel;
the bluing device is arranged between the oil removing device and the digital printing device and is used for bluing the steel plate;
and the varnish coating device is arranged between the digital printing device and the rolling device and is used for coating varnish on the surface of the rolled steel.
Through adopting above-mentioned technical scheme, the coil steel that unwinding device emitted will at first get into the deoiling device, get rid of surperficial antirust oil, then get into the bluing device and carry out bluing and handle, make the surface formation oxide film of coil steel, and then improve the surface tension of coil steel, so that subsequent digital printing, and the coil steel through digital printing is through the surface coating varnish before carrying out the rolling, can carry out effectual protection to the digital printing layer of coil steel, avoid printing the pattern decoloration, guarantee the quality of quality.
Optionally, the pusher comprises a cylinder disposed coaxially with the intermittent feed roller;
one end of the cylinder close to the intermittent conveying roller is symmetrically provided with a convex part and a concave part by taking the axis of the cylinder as the center;
an arc surface transition part is formed between the convex part and the concave part;
the convex part corresponds to the arc-shaped plate at the upper side position of the excircle of the intermittent conveying roller and is used for pushing the arc-shaped plate to clamp the coil steel.
Through adopting above-mentioned technical scheme, realize that coil steel receives the clamp of arc gradually and unclamps when sending to intermittent type conveying roller, guarantee that each arc is along with the even removal of rotation of intermittent type conveying roller.
Optionally, the pushing member is movably connected to the frame body along a direction perpendicular to the conveying direction of the coil steel;
the frame body is provided with an adjusting component for adjusting the position of the pushing piece.
By adopting the technical scheme, the positions of the two pushing pieces can be adjusted according to the width of the coil steel, so that the conveying of different wide-width coil steels is met, and the application range of coil steel production is expanded.
Optionally, a worm wheel is coaxially fixed at one end of the intermittent conveying roller,
a worm meshed with a worm wheel is rotatably connected to the frame body, and one end of the worm is coaxially and fixedly connected with a spur gear;
one side of the rack body corresponding to the spur gear is provided with a gear lack part which is used for being meshed with the spur gear;
one side of the frame body corresponding to the gear lack is provided with a driving piece for driving the gear lack to rotate.
Through adopting above-mentioned technical scheme, the during operation drives through the driving piece and lacks the gear and rotate, can drive the spur gear and carry out intermittent type and rotate, and then drives the worm and rotate along with the spur gear synchronous, and the rethread worm wheel drives the intermittent type of intermittent type conveying roller with the worm meshing and rotates to the auto-lock of intermittent type conveying roller is realized to cooperation worm wheel and worm, can accomplish the intermittent type of rolling up the steel and carry, so that roll up the printing of steel.
Optionally, the third gear comprises:
the disc is rotatably arranged on the frame body and is connected with the driving piece;
the plurality of sliding teeth are uniformly arranged by taking the axis of the disc as the center, each sliding tooth can move to the peripheral surface of the protruding disc along the radial direction of the disc, and the sliding teeth protruding out of the peripheral surface of the disc can be meshed with the spur gear along with the rotation of the disc;
and the positioning piece is arranged on the disc and used for fixing the relative position of the sliding teeth and the disc.
Through adopting above-mentioned technical scheme, can be at first according to the intermittent type conveying frequency of the intermittent type conveying roller of demand, the smooth tooth on the disc that slides selects the smooth tooth protrusion of suitable quantity in the disc to make the disc form and lack the gear, then drive the disc through the driving piece and rotate, can realize that the scarce gear that forms through the smooth tooth of disc cooperation meshes in the spur gear, drives the spur gear intermittent type and rotates, and then realizes the rotation of intermittent type conveying roller, accomplishes the intermittent type transport of steel sheet.
Optionally, a worm wheel is coaxially fixed at the end of any one of the intermittent conveying rollers;
a linkage shaft is arranged between the two intermittent conveying rollers, two ends of the linkage shaft are connected with commutators, and the two commutators are respectively connected to the two intermittent conveying rollers.
Through adopting above-mentioned technical scheme, through the rotation of universal driving shaft, can realize that the rotation of arbitrary intermittent type conveying roller can drive the rotation of another intermittent type conveying roller, guarantee two intermittent type conveying roller pivoted synchronism, satisfy the intermittent type transport of coil of strip steel to the printing of coil of strip steel.
Optionally, the linkage shaft includes a shaft sleeve with one end connected to one commutator, and a sliding shaft with one end sliding on the shaft sleeve along the axial direction of the shaft sleeve and the other end connected to the other commutator;
the support body has the balladeur train along the direction of delivery swing joint of coil steel, arbitrary intermittent type conveying roller rotates to be connected in the balladeur train, the support body is provided with the regulating part for promote the balladeur train motion.
Through adopting above-mentioned technical scheme, when the coil steel was carried for the first time on two intermittent type conveying rollers, can shut down then drive the balladeur train motion through the regulating part to adjust the distance between two intermittent type conveying rollers, with the tensioning of guaranteeing the coil steel, guarantee the level of coil steel upside, then start once more, start the operation, guarantee printing quality.
Optionally, a screw is fixed on the frame body along the conveying direction of the coil steel;
the adjusting piece comprises a sliding sleeve in threaded connection with the screw rod and a second elastic piece fixed between the sliding sleeve and the sliding frame;
the second elastic member can push the carriage to move the two intermittent feed rollers in a direction away from each other.
Through adopting above-mentioned technical scheme, the coil steel is carried to the upside as two intermittent type conveying rollers, and when two intermittent type conveying rollers pressed from both sides tight coil steel promptly, can be through rotating the sliding sleeve to adjust the position of second elastic component, thereby give two intermittent type conveying rollers and tend to the thrust of keeping away from the direction motion each other, thereby guarantee that two intermittent type conveying rollers can take up the coil steel, guarantee the coil steel tensile force, make the coil steel keep the level, in order to guarantee the tensile force of coil steel.
Optionally, sliding grooves are formed in the positions, corresponding to the arc-shaped plates, of the peripheral surface end of the intermittent conveying roller along the axis direction of the intermittent conveying roller, and the arc-shaped plates are connected to the sliding grooves in a sliding manner;
the first elastic piece is arranged in the sliding groove and can push the arc-shaped plate to move towards the middle of the direction away from the axis of the intermittent conveying roller.
Through adopting above-mentioned technical scheme, can realize that the arc moves along the axis direction of intermittent type conveying roller.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the coil steel is unreeled through the unreeling device, the unreeled coil steel enters the digital printing device, when the coil steel is conveyed to the upper side of the intermittent conveying roller, because the baffle ring of the intermittent conveying roller is spliced by a plurality of arc plates, each arc plate tends to move away from the axis middle direction of the intermittent conveying roller under the pushing of the first elastic piece, when each arc plate rotates to the intermittent conveying roller along with the intermittent conveying roller in sequence, due to the pushing of the first elastic piece, the arc plates can not tightly push the two sides of the coil steel, so that the coil steel can be smoothly conveyed to the excircle upper side of the gap conveying roller, and after the coil steel is conveyed to the upper side of the intermittent conveying roller, the pushing piece pushes the arc plates at the excircle upper side position of the intermittent conveying roller to move towards the axis middle of the intermittent conveying roller, thereby realizing the clamping of the coil steel conveyed on the upper side of the intermittent conveying roller, and when the arc plates rotate to cross the excircle upper side of the intermittent conveying roller, the arc breaks away from the promotion of impeller and will loosen the clamp to the coil steel yet, guarantee that the coil steel can not rotate along with intermittent type conveying roller and twine on intermittent type conveying roller, make the coil steel rotate along with intermittent type conveying roller synchronous, so can realize rectifying location of coil steel and can make the coil steel carry out intermittent type along with the intermittent type rotation of intermittent type conveying roller and carry out intermittent type and carry, cooperation ink jet print head prints the upper surface of coil steel, it can to carry out the rolling through the coiling mechanism after the completion to print, and then realized the contact printing of coil steel, high efficiency, be applicable to large batch continuous production. (ii) a
2. The coil steel that unwinding device emitted will at first get into the deoiling device, gets rid of surperficial antirust oil, then gets into the bluing device and send blue the processing, makes the surface formation oxide film of coil steel, and then improves the surface tension of coil steel to subsequent digital printing, and the coil steel through digital printing passes through the surface coating varnish before carrying out the rolling, can carry out effectual protection to the digital printing layer of coil steel, avoids printing the pattern decoloration, guarantees the quality of look.
3. The during operation drives through the driving piece and lacks the gear and rotates, can drive the spur gear and carry out intermittent type and rotate, and then drives the worm and rotate along with the spur gear is synchronous, and the rethread worm wheel drives the intermittent type rotation of intermittent type conveying roller with the worm meshing to the auto-lock of intermittent type conveying roller is realized with the worm to the cooperation worm wheel, can accomplish the intermittent type of coil steel and carry, so that the printing of coil steel.
Drawings
Fig. 1 is a schematic view of an overall structure of a digital printing production line for coil steel according to an embodiment of the present invention.
Fig. 2 is a schematic view of an oil removing device of a digital printing production line for coil steel according to an embodiment of the invention.
Fig. 3 is a schematic view of a bluing device of a digital steel coil printing production line according to an embodiment of the present invention.
Fig. 4 is an overall schematic view of a digital printing apparatus of a digital printing production line for coil steel according to an embodiment of the present invention.
Fig. 5 is a schematic cross-sectional view of a digital printing apparatus of a digital printing production line for coil steel according to an embodiment of the present invention.
Fig. 6 is a schematic view of the structure of an intermittent feed roller of the digital printing apparatus in the embodiment of the present invention.
FIG. 7 is a schematic diagram of a structure of a pushing member of the digital printing apparatus in the embodiment of the present invention.
Fig. 8 is a schematic view of a linkage shaft structure of the digital printing apparatus in the embodiment of the present invention.
Fig. 9 is an enlarged view of a portion a in fig. 4.
Fig. 10 is a schematic view of a missing gear structure of the digital printing apparatus in the embodiment of the present invention.
Fig. 11 is a schematic diagram of a varnish coating device of a digital coil steel printing production line in an embodiment of the invention.
In the figure, 1, an unwinding device; 2. an oil removal device; 21. removing an oil tank; 22. a first reversing roller; 3. a bluing device; 31. a heating box; 311. an air supply pipe; 32. a cooling tank; 321. a second reversing roller; 4. a digital printing device; 41. a frame body; 411. a guide roller; 412. a tension roller; 413. a slider; 414. a worm gear; 415. a worm; 416. a spur gear; 417. a commutator; 42. intermittent conveying rollers; 421. a baffle ring; 422. an arc-shaped plate; 423. a chute; 424. a first elastic member; 43. a carriage; 431. a screw; 432. a sliding sleeve; 433. a second elastic member; 434. a bidirectional pushing cylinder; 44. a cylinder; 441. a projection; 442. a recessed portion; 443. a cambered surface transition part; 45. a gear is omitted; 451. a disc; 452. sliding the teeth; 453. positioning the bolt; 454. positioning holes; 46. a linkage shaft; 461. a shaft sleeve; 462. a slide shaft; 47. an inkjet printer head; 5. a varnish coating device; 51. painting box; 52. a receiving roller; 53. a painting roller; 54. discharging the paint box; 541. a paint outlet groove; 55. a circulation pipe; 56. a circulation pump; 6. a winding device; 7. and (5) a drying box.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): referring to fig. 1, the digital printing production line for coil steel disclosed by the invention comprises an unwinding device 1, an oil removing device 2, a bluing device 3, a digital printing device 4, a varnish coating device 5 and a winding device 6 which are sequentially arranged. Unwinding device 1 is used for unreeling of coil steel, and deoiling device 2 is used for unreeling the cleaing away of the rust-preventive oil on back coil steel surface, and bluing device 3 is used for bluing the coil steel after the deoiling and handles, and digital coil steel printing device is used for bluing the pattern printing on the back coil steel surface, and varnish additional coating device 5 is used for the coil steel surface coating varnish after printing the pattern for the protection coil steel surface pattern guarantees to print quality.
Referring to fig. 1, the unwinding device 1 and the winding device 6 of the coil steel can both adopt the existing coil steel unwinding machine and coil steel winding machine to perform unwinding and winding operations, which is not described in detail in this embodiment.
Referring to fig. 2, the oil removing device 2 includes an oil removing tank 21, at least two layers of first reversing rollers 22 are arranged in the oil removing tank 21 along the conveying direction of the coil steel, the axial direction of the first reversing rollers 22 is perpendicular to the conveying direction of the coil steel, two ends of each first reversing roller 22 are rotatably connected to the oil removing tank 21, and the upper layer and the lower layer of the first reversing rollers 22 are arranged at intervals in an inserting mode. The degreasing agent is filled in the degreasing tank 21, and the degreasing agent is at least immersed in the first reversing roller 22 on the lower side.
Referring to fig. 2, when the coil steel enters the oil removing tank 21 from the unwinding device 1, the coil steel sequentially bypasses the first reversing rollers 22 on the upper layer and the first reversing rollers 22 on the lower layer, and is conveyed out of the oil removing tank 21 in a snake shape, so that the coil steel can be immersed in the oil removing tank 21 in the conveying process, and the anti-rust oil on the surface of the coil steel is cleaned, so that the subsequent processing is facilitated.
Referring to fig. 1 and 3, the bluing device 3 includes a heating box 31 and a cooling box 32 connected end to end, a heating mechanism is provided in the heating box 31, the heating mechanism in this embodiment employs a heating coil, a gas supply pipe 311 is connected in the heating box 31, the gas supply pipe 311 is used for supplying inert shielding gas into the heating box 31, a plurality of second reversing rollers 321 are rotationally connected in the cooling box 32, the axial direction of the plurality of second reversing rollers 321 is perpendicular to the conveying direction of the coil steel, the plurality of second reversing rollers 321 are also divided into an upper layer and a lower layer in the cooling box 32, and the upper and lower layer of second reversing rollers 321 are disposed at an inserting interval. Coil steel gets into heating cabinet 31 and heats through heating coil to the inert gas protection that sends into through air-supply pipe 311, treat that coil steel heats to bluing temperature after, coil steel carries to cooler bin 32 and walks around upper and lower two-layer second switching-over roller 321 in proper order, is snakelike conveying, makes coil steel and air contact bluing, and then makes coil steel's surface form the oxide film, so that improve coil steel's surface tension, the requirement of the follow-up printing of being convenient for.
Referring to fig. 4, the digital printing apparatus 4 includes a frame body 41, the length direction of the frame body 41 is the same as the conveying direction of the coil steel, two guide rollers 411 are disposed at two ends of the length direction of the frame body 41, the axial direction of the two guide rollers 411 is perpendicular to the conveying direction of the coil steel, a tension roller 412 is disposed between the two guide rollers 411 corresponding to the frame body 41, the axial direction of the tension roller 412 is the same as the axial direction of the guide, and two ends of the tension roller 412 are rotatably connected with a sliding block 413 which vertically slides on the frame body 41. When the coil steel is transferred to or from the frame body 41, the coil steel sequentially passes around the guide roller 411, the tension roller 412 and the other guide roller 411, and the tension roller 412 presses the coil steel by its own weight to maintain a proper tension of the coil steel.
Referring to fig. 4, two intermittent feed rollers 42 are provided at positions of the frame body 41 corresponding to between the inner guide rollers 411, and the axial direction of the two intermittent feed rollers 42 is perpendicular to the feeding direction of the coil. The both ends of an intermittent conveying roller 42 are rotated and are connected in support body 41, and support body 41 corresponds another intermittent conveying roller 42's position department and is connected with the carriage 43 along the length direction of support body 41 in a sliding manner, and the both ends of intermittent conveying roller 42 are rotated and are connected in carriage 43, still are equipped with the regulating part on support body 41 for the position of regulation carriage 43 for support body 41, so that adjust the distance between two intermittent conveying rollers 42.
Referring to fig. 5, a screw 431 is fixed on the lower side of the frame 41 in the longitudinal direction thereof corresponding to a position in front of the two intermittent conveying rollers 42, the adjusting member includes a sliding sleeve 432 and a second elastic member 433, the sliding sleeve 432 is screwed to the screw 431, the second elastic member 433 is fixed between the sliding sleeve 432 and the carriage 43, the second elastic member 433 can push the carriage 43 to move in a direction away from the screw 431, in this embodiment, the second elastic member 433 is exemplified by a push spring, but the second elastic member 433 is not limited to a push spring.
Referring to fig. 5, when the coil steel is conveyed on the two conveying rollers, that is, when the two intermittent conveying rollers 42 clamp the coil steel, the sliding sleeve 432 is rotated to adjust the position of the second elastic member 433, so as to provide thrust for the two intermittent conveying rollers 42 to move towards the direction away from each other, and then the two intermittent conveying rollers 42 are started again to start operation, so that the two intermittent conveying rollers 42 can tension the coil steel, the tension of the coil steel is ensured, and the coil steel is kept horizontal to ensure the tension of the coil steel.
Referring to fig. 5 and 6, intermittent type conveying roller 42's both ends all are provided with fender ring 421 coaxially, keep off ring 421 and all include a plurality of arcs 422 concatenation formation, the position that intermittent type conveying roller 42's global end corresponds each arc 422 has all been seted up spout 423 along intermittent type conveying roller 42's axis direction, each arc 422 all slides and connects in spout 423, all set up first elastic component 424 in each spout 423, first elastic component 424 is used for promoting each arc 422 trend to keep away from intermittent type conveying roller 42's axis direction middle part motion. The first elastic member 424 is exemplified by a push spring in the present embodiment, but the first elastic member 424 is not limited to the push spring.
Referring to fig. 6 and 7, pushing members are respectively arranged on the frame body 41 and at two ends of the carriage 43 corresponding to the intermittent conveying roller 42, the pushing members respectively comprise a cylinder 44 coaxially arranged with the intermittent conveying roller 42, the cylinder 44 is sleeved on the intermittent conveying roller 42, a protruding portion 441 and a recessed portion 442 are symmetrically formed on the end surface of the cylinder 44 facing the intermittent conveying roller 42 by taking the axis of the cylinder 44 as the center, an arc transition portion 443 is formed between the protruding portion 441 and the recessed portion 442, so that the protruding portion 441 and the recessed portion 442 on the end surface of the cylinder 44 are in smooth transition, the protruding portion 441 corresponds to the arc-shaped plate 422 at the upper side of the outer circle of the intermittent conveying roller 42, and when the arc-shaped plate 422 rotates to the upper side of the outer circle along with the intermittent conveying roller 42, the protruding portion 441 of the cylinder 44 at two ends of the intermittent conveying roller 42 can push the arc-shaped plate 422 at two ends of the intermittent conveying roller 42 to clamp the coil steel conveyed at the upper end of the intermittent conveying roller 42.
Referring to fig. 6 and 7, when the coil steel is conveyed to the upper side of the intermittent conveying roller 42, because the baffle ring 421 of the intermittent conveying roller 42 is spliced by the plurality of arc-shaped plates 422, each arc-shaped plate 422 is pushed by the first elastic member 424 to tend to move away from the middle direction of the axis of the intermittent conveying roller 42, when each arc-shaped plate 422 rotates to the intermittent conveying roller 42 along with the intermittent conveying roller 42 in sequence, because of the pushing of the first elastic member 424, the arc-shaped plates 422 can not push against the two sides of the coil steel, so that the coil steel can be smoothly conveyed to the upper side of the excircle of the gap conveying roller, and after the coil steel is conveyed to the upper side of the intermittent conveying roller 42, the pushing member pushes the arc-shaped plate 422 at the position of the excircle upper side of the intermittent conveying roller 42 to tend to move towards the middle of the axis direction of the intermittent conveying roller 42, so as to clamp the coil steel conveyed at the upper side of the intermittent conveying roller 42, and when the arc-shaped plate 422 rotates to cross the excircle upper side of the intermittent conveying roller 42, the pushing of the arc plate 422 separated from the pushing piece will also loosen the clamping of the coil steel, ensure that the coil steel cannot rotate along with the intermittent conveying roller 42 and is wound on the intermittent conveying roller 42, so that the coil steel synchronously rotates along with the intermittent conveying roller 42, thus realizing the deviation-correcting positioning of the coil steel and enabling the coil steel to intermittently rotate along with the intermittent conveying roller 42 for intermittent conveying so as to be convenient for printing.
In order to realize the position adjustment between the pushing members at the two ends of the intermittent conveying roller 42 and adapt to the coil steels with different widths, an adjusting assembly is further arranged, the adjusting assembly adopts a bidirectional pushing cylinder 434 in the embodiment, and the following description is further provided:
referring to fig. 5 and 6, a bidirectional pushing cylinder 434 is fixed between the two intermittent feed rollers 42 rotatably connected to the frame body 41 corresponding to the frame body 41, both extension rods of the bidirectional pushing cylinder 434 are fixed to the two cylinders 44, respectively, the bidirectional pushing cylinder 434 is also fixed between the two intermittent feed rollers 42 rotatably connected to the carriage 43 corresponding to the carriage 43, and both extension rods of the bidirectional pushing cylinder 434 are fixed to the two cylinders 44, respectively. And the positions of the two pushing pieces can be adjusted according to the width of the coil steel, so that the conveying of different widths of coil steel is met, and the application range of coil steel production is expanded.
Referring to fig. 8 and 9, a worm wheel 414 is coaxially fixed at one end of the intermittent feeding roller 42 rotatably connected to the frame 41, a worm 415 meshed with the worm wheel 414 is rotatably connected to the lower side of the frame corresponding to the worm wheel 414, a spur gear 416 is coaxially and fixedly connected to one end of the worm 415, a missing gear 45 is rotatably connected to one side of the frame corresponding to the spur gear 416, the missing gear 45 is meshed with the spur gear 416, and a driving member for driving the missing gear 45 to rotate is further provided on the frame 41, and the driving member may be a motor.
Referring to fig. 8 and 9, a linkage shaft 46 is disposed between the frame 41 and the two intermittent feeding rollers 42, the linkage shaft 46 includes a shaft sleeve 461 and a sliding shaft 462, the sliding shaft 462 slides on the shaft sleeve 461 along the axial direction of the shaft sleeve 461, and the shaft sleeve 461 and the sliding shaft 462 rotate synchronously, so that the length of the linkage shaft 46 is adjustable, the end portions of the shaft sleeve 461 and the sliding shaft 462, which are far away from each other, are fixed with a commutator 417 at the end portions of the frame 41 and the carriage 43 corresponding to the two intermittent feeding rollers 42, the commutator 417 is a double-output-shaft vertical commutator 417, the two commutators 417 are respectively fixed with an output shaft fixed to the corresponding intermittent feeding roller 42, and the other output shafts of the two commutators 417 are respectively fixed to the shaft sleeve 461 and the sliding shaft 462.
Referring to fig. 8 and 9, in this way, the driving member drives the missing gear 45 to rotate, so as to drive the spur gear 416 to perform intermittent rotation, further drive the worm 415 to rotate synchronously with the spur gear 416, and then drive the intermittent rotation of the intermittent conveying roller 42 by the engagement of the worm gear 414 and the worm 415, and cooperate with the worm gear 414 and the worm 415 to realize the self-locking of the intermittent conveying roller 42, meanwhile, the rotation of one intermittent conveying roller 42 drives the other intermittent conveying roller 42 to rotate synchronously by the action of the commutator 417 and the linkage shaft 46, so as to ensure the synchronism of the rotation of the two intermittent conveying rollers 42, and the intermittent conveying of the coil steel is completed by the mutual cooperation of the two intermittent conveying rollers 42.
Further, in order to facilitate adjustment of the intermittent conveying frequency of the intermittent conveying roller 42, the missing gear 45 may be further configured to:
referring to fig. 10, the gear-lacking wheel 45 includes a circular disc 451 and a plurality of sliding teeth 452, the circular disc 451 is rotatably connected to the frame body 41, the plurality of sliding teeth 452 are uniformly disposed on one surface of the circular disc 451 centering on an axis of the circular disc 451, and a plurality of sliding teeth 452 are slidably connected to the disc 451 along the radial direction of the disc 451, each sliding tooth 452 can move along the radial direction of the disc 451 to the peripheral surface of the protruding disc 451, the sliding teeth 452 protruding the peripheral surface of the disc 451 can be engaged with the spur gear 416 along with the rotation of the disc 451, a positioning member is further provided on the disc 451, the positioning member is used for positioning the relative position of the disc 451 and the sliding teeth 452, the positioning member can adopt a positioning bolt 453, that is, one end of the positioning bolt 453 is screwed to the disc 451, the sliding tooth 452 is provided with two positioning holes 454, and the positioning bolt 453 is tightened to sequentially insert the end of the positioning bolt 453 into the two positioning holes 454 of the sliding tooth 452, thereby realizing switching positioning between a state where the sliding tooth 452 protrudes from the circumferential surface of the disc 451 and a state where the sliding tooth 452 retracts into the circumferential surface of the disc 451.
Referring to fig. 10, before starting up, according to the required intermittent transmission frequency of the intermittent transmission roller 42, the sliding teeth 452 on the sliding disc 451 are selected, an appropriate number of the sliding teeth 452 protrude out of the disc 451, so that the disc 451 forms the missing gear 45, then the disc 451 is driven to rotate by the driving part, and the missing gear 45 formed by matching the sliding teeth 452 with the disc 451 is meshed with the spur gear 416 to drive the spur gear 416 to intermittently rotate, so that the intermittent transmission of the steel plate is completed, and different requirements of work are met.
Referring to fig. 7, an inkjet printer head 47 (which is not described again in the prior art) is installed at a position of the frame body 41 corresponding to the upper side of the two intermittent conveying pipes, and the inkjet printer head 47 cooperates with the intermittent conveying pipes 42 which rotate intermittently, so that the intermittent conveying of the coil steel can be realized and the pattern printing can be completed.
Referring to fig. 11, the varnish coating device 5 comprises a painting box 51 connected end to end, a receiving roller 52 is rotatably connected in the painting box 51, the axial direction of the receiving roller 52 is perpendicular to the conveying direction of the coil steel, a painting roller 53 with the same axial direction as that of the receiving roller 52 is rotatably connected to the upper side of the receiving roller 52, an interval is reserved between the painting roller 53 and the receiving roller 52 and used for conveying the coil steel, a paint outlet box 54 is arranged on the feeding side of the painting box 51 corresponding to the painting roller 53, the length direction of the paint outlet box 54 is the same as that of the painting roller 53, a paint outlet groove 541 is formed in the lower side of the paint outlet box 54 along the length direction, a circulating pipe 55 capable of conveying varnish to a paint inlet pipe is fixedly connected to one side of the paint outlet box 54, and a circulating pump 56 is connected to the circulating pipe 55. When the coil steel enters the painting box 51, the varnish flows from the painting groove 541 at the lower side of the painting box 54 to the upper side of the coil steel, and then the coil steel enters between the painting roller 53 and the receiving roller 52 and is evenly painted by the painting roller 53.
Referring back to fig. 1, in order to increase the bonding degree of the digital printing pattern and the steel plate and the bonding degree of the varnish and the coil steel and improve the efficiency, a drying box 7 can be added behind the digital coil steel printing device and the varnish coating device 5 for accelerating the bonding degree of the printing paint and the varnish and the coil steel.
The main implementation principle of this embodiment is: the coil steel unreels through unwinding device 1, after deoiling device 2 and bluing device 3's processing, the coil steel gets into digital printing device 4, intermittent type through intermittent type conveying roller 42 rotates and carries out intermittent type to the coil steel and carry out intermittent type and carry, the cooperation ink jet print head prints the upper surface of coil steel, after the printing is accomplished, 7 stoving backs through the stoving case, reentrant varnish increases coating device 5 and coats the varnish, after the coating varnish ends, drying through stoving case 7, at last, through coiling 6 carry out the rolling can, and then realized the contact printing of coil steel, high efficiency, be applicable to large batch continuous production.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. A digital printing production line for coil steel is characterized by comprising an unreeling device (1), a digital printing device (4) and a reeling device (6) which are sequentially arranged;
wherein the digital printing apparatus (4) comprises:
a frame body (41);
two intermittent conveying rollers (42) which are arranged on the frame body (41) in an intermittent rotating manner and are used for conveying coil steel; two ends of the intermittent conveying roller (42) are coaxially provided with baffle rings (421), each baffle ring (421) comprises a plurality of arc-shaped plates (422) which are spliced, each arc-shaped plate (422) is movably connected to the intermittent conveying roller (42) along the axial direction of the intermittent conveying roller (42), and the positions, corresponding to the arc-shaped plates (422), of the intermittent conveying roller (42) are respectively provided with a first elastic part (424) capable of pushing the arc-shaped plates (422) to move towards the axial direction away from the intermittent conveying roller (42);
the pushing pieces are arranged at the positions, corresponding to the two ends of the intermittent conveying roller (42), of the frame body (41), and the two pushing pieces can push the arc-shaped plates (422) at the upper sides of the outer edges of the two ends of the intermittent conveying roller (42) to move towards the direction of approaching each other to clamp the coil steel;
the ink jet printing head is arranged on the upper side of the frame body (41) and is used for ink jet printing of the coil steel.
2. The digital printing production line for coil steel according to claim 1, characterized in that: coil of strip steel digital printing production line still includes:
the oil removing device (2) is arranged between the unreeling device (1) and the digital printing device (4) and is used for removing oil on the surface of the coiled steel;
the bluing device (3) is arranged between the oil removing device (2) and the digital printing device (4) and is used for bluing the steel plate;
and the varnish coating device (5) is arranged between the digital printing device (4) and the rolling device (6) and is used for coating varnish on the surface of the rolled steel.
3. The digital printing production line for coil steel according to claim 1, characterized in that: the pusher comprises a cylinder (44) disposed coaxially with the intermittent feed roller (42);
one end of the cylinder (44) close to the intermittent conveying roller (42) is symmetrically provided with a convex part (441) and a concave part (442) by taking the axis as the center;
an arc surface transition part (443) is formed between the convex part (441) and the concave part (442);
the protruding part (441) corresponds to the arc-shaped plate (422) at the upper side position of the excircle of the intermittent conveying roller (42) and is used for pushing the arc-shaped plate (422) to clamp the rolled steel.
4. The digital printing production line for coil steel according to claim 3, characterized in that: the pushing piece is movably connected to the frame body (41) along the direction vertical to the conveying direction of the coil steel;
the frame body (41) is provided with an adjusting assembly for adjusting the position of the pushing piece.
5. The digital printing production line for coil steel according to claim 1, characterized in that: a worm wheel (414) is coaxially fixed at one end of the intermittent conveying roller (42),
a worm (415) meshed with the worm wheel (414) is rotatably connected to the frame body (41), and one end of the worm (415) is coaxially and fixedly connected with a spur gear (416);
one side of the rack body (41) corresponding to the spur gear (416) is provided with a gear lack wheel (45) which is used for being meshed with the spur gear (416);
one side of the frame body (41) corresponding to the gear lacking (45) is provided with a driving piece for driving the gear lacking (45) to rotate.
6. The digital printing production line for coil steel according to claim 5, characterized in that: the missing gear (45) comprises:
the disc (451) is rotatably arranged on the frame body (41), and the disc (451) is connected with the driving piece;
a plurality of sliding teeth (452) which are uniformly arranged by taking the axis of the disc (451) as the center, each sliding tooth (452) can move to the peripheral surface of the protruding disc (451) along the radial direction of the disc (451), and the sliding teeth (452) protruding out of the peripheral surface of the disc (451) can be meshed with the spur gear (416) along with the rotation of the disc (451);
the positioning piece is arranged on the disc (451) and used for fixing the position of the sliding tooth (452) relative to the disc (451).
7. The digital printing production line for rolled steel according to claim 5, wherein: a worm wheel (414) is coaxially fixed at the end part of any one of the intermittent conveying rollers (42);
a linkage shaft (46) is arranged between the two intermittent conveying rollers (42), two ends of the linkage shaft (46) are connected with a reverser (417), and the two reversers (417) are respectively connected to the two intermittent conveying rollers (42).
8. The digital printing production line for coil steel according to claim 7, characterized in that: the linkage shaft (46) comprises a shaft sleeve (461) with one end connected with one commutator (417) and a sliding shaft (462) with one end sliding on the shaft sleeve (461) along the axial direction of the shaft sleeve (461) and the other end connected with the other commutator (417);
the steel coil winding device is characterized in that a carriage (43) is movably connected to the frame body (41) along the conveying direction of coil steel, any intermittent conveying roller (42) is rotatably connected to the carriage (43), and an adjusting piece is arranged on the frame body (41) and used for pushing the carriage (43) to move.
9. The digital printing production line for rolled steel according to claim 8, wherein: a screw (431) is fixed on the frame body (41) along the conveying direction of the coil steel;
the adjusting piece comprises a sliding sleeve (432) in threaded connection with a screw rod (431), and a second elastic piece (433) fixed between the sliding sleeve (432) and the sliding frame (43);
the second elastic member (433) can push the carriage (43) to move the two intermittent feed rollers (42) in directions away from each other.
10. The digital printing production line for coil steel according to claim 1, characterized in that: sliding chutes (423) are formed in the positions, corresponding to the arc-shaped plates (422), of the peripheral surface end parts of the intermittent conveying rollers (42) along the axial direction of the intermittent conveying rollers (42), and the arc-shaped plates (422) are connected to the sliding chutes (423) in a sliding manner;
the first elastic piece (424) is arranged in the sliding groove (423) and can push the arc-shaped plate (422) to move towards the middle part away from the axial direction of the intermittent conveying roller (42).
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| CN114701266B (en) | 2023-03-21 |
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