CN110435292B - Elliptical printing machine - Google Patents
Elliptical printing machine Download PDFInfo
- Publication number
- CN110435292B CN110435292B CN201910860888.9A CN201910860888A CN110435292B CN 110435292 B CN110435292 B CN 110435292B CN 201910860888 A CN201910860888 A CN 201910860888A CN 110435292 B CN110435292 B CN 110435292B
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- Prior art keywords
- elliptical
- frame
- printing
- adjusting
- protection
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- 238000007639 printing Methods 0.000 title claims abstract description 122
- 230000007246 mechanism Effects 0.000 claims abstract description 100
- 230000004224 protection Effects 0.000 claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 11
- 238000001125 extrusion Methods 0.000 claims description 8
- 238000007790 scraping Methods 0.000 claims description 7
- 238000005299 abrasion Methods 0.000 abstract description 9
- 230000001681 protective effect Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 5
- 238000009966 trimming Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010409 ironing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000715 Mucilage Polymers 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 230000009979 protective mechanism Effects 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/08—Machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/34—Screens, Frames; Holders therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
- B41F33/0018—Protection means against injury to the operator
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Screen Printers (AREA)
Abstract
The invention relates to an elliptical printing machine comprising: the printing device comprises an oval frame, a trolley mechanism, a driving mechanism, a plurality of printing mechanisms and a protection mechanism. The trolley mechanism is arranged on the elliptical frame, the driving mechanism is arranged in the elliptical frame, the driving mechanism drives the trolley mechanism to move on the elliptical frame, the printing mechanism is arranged along the elliptical frame at intervals, and the protection mechanism is arranged on the outer side of the trolley mechanism. The printing mechanism comprises an elastic connecting piece and a thimble mechanism, and even if mechanical abrasion is generated between the guide wheel and the guide rail, the elastic connecting piece and the thimble mechanism can also tightly attach the guide wheel to the guide rail, so that the condition that the scraper seat is influenced to move due to abrasion of the guide rail is reduced.
Description
Technical Field
The invention belongs to the field of printing machines, and particularly relates to an elliptical printing machine.
Background
The elliptical printing machine is suitable for various printing materials, mucilage, water slurry, printing ink and the like, is suitable for plane screen printing of cut pieces of clothing such as cut piece printing, ready-made clothes, trousers, socks, umbrellas and the like, and is suitable for a printing process: the thick plate, the discharge dyeing and the press ironing machine can be used for gilding and silver ironing, and the flocking machine can be used for flocking.
The printing mechanism of elliptical printing machine is used for cooperating the transport trolley to print, and when the transport trolley reaches the printing position of the printing mechanism, the transport trolley stops running, and then the printing mechanism prints the printing material on the transport trolley. The printing head motor of the elliptical printing machine drives the printing part on the printing mechanism to move along the guide rail shaft and scrape the printed matter, and after the printing is finished, the printing mechanism is separated from the printing platen, and the printing platen is separated under the drive of the conveying mechanism.
Because the printing part continuously and repeatedly moves on the guide rail, mechanical abrasion is generated between the guide rail shaft and the guide wheel driving the printing part, a gap exists between the guide wheel and the guide rail shaft, the fit between the guide wheel and the guide rail shaft is affected, and the movement of the printing scraper is further affected.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings in the prior art and provides an elliptical printing machine.
An elliptical printing machine of one embodiment of the present invention includes: the elliptical machine frame comprises an elliptical guide rail;
the trolley mechanism comprises a plurality of conveying bedplate which are arranged on the elliptical guide rail in a sliding way;
the driving mechanism is arranged in the elliptical rack and drives the trolley mechanism to move along the elliptical guide rail;
the printing mechanism comprises a diagonal frame, a printing head support frame and a printing head frame, wherein the diagonal frame is arranged on the elliptical frame, the printing head support frame is arranged on the elliptical frame and is opposite to the diagonal frame, the printing head frame comprises a printing head beam, two guide rails, a scraping knife seat, a scraper, two eccentric shafts and two rotating shafts, one end of the printing head beam is rotatably arranged on the diagonal frame, the other end of the printing head beam is erected on the printing head support frame, the two guide rails are arranged at the bottom end of the printing head beam in parallel, the scraper is arranged at the bottom end of the scraping knife seat, the two eccentric shafts and the two rotating shafts are arranged on the scraping knife seat in parallel, guide wheels are respectively arranged at the top ends of the two eccentric shafts and the two rotating shafts, the guide wheels of the two eccentric shafts are embedded on one side of the two guide rails, the guide wheels of the two rotating shafts are embedded on the other side of the two guide rails and can slide along the two guide rails;
the printing head frame further comprises elastic connecting pieces and thimble mechanisms, wherein the elastic connecting pieces are respectively connected to the bottom ends of the two eccentric shafts, the thimble mechanisms are tightly propped against the elastic connecting pieces, so that the elastic connecting pieces elastically deform to drive the two eccentric shafts to rotate, and guide wheels on the two eccentric shafts are tightly pressed on the guide rails.
The printing mechanism of the elliptical printing machine is provided with the elastic connecting piece and the thimble mechanism, and even if mechanical abrasion is generated between the guide wheel and the guide rail, the elastic connecting piece and the thimble mechanism can also tightly attach the guide wheel to the guide rail, so that the condition that the scraper seat is influenced to move due to abrasion of the guide rail is reduced.
In a preferred or alternative embodiment, the guide wheel fixing device includes an eccentric workpiece, a spring piece and an extrusion screw, wherein the eccentric workpiece is fixedly arranged at the bottom end of the scraper seat, one end of the eccentric workpiece is inserted into a shaft hole of the guide wheel, a mounting groove is formed in the side wall of the other end of the eccentric workpiece, two ends of the spring piece are respectively arranged in two adjacent mounting grooves, the extrusion screw extrudes the middle part of the spring piece, and the spring piece deforms to drive the eccentric workpiece to rotate and extrude the guide wheel to the guide rail. The guide wheel moves on the guide rail, abrasion can be generated between the guide wheel and the guide rail after a certain service time, and a gap can be generated between the guide wheel and the guide rail, so that the extrusion screw can enable the guide wheel to be close to the guide rail, and machining errors caused by the gap are reduced.
In a preferred or alternative embodiment, the elastic connecting piece is a spring plate, the bottom ends of the two eccentric shafts are provided with mounting grooves, and two ends of the spring plate are respectively clamped into the mounting grooves in a mode that the elastic surface of the spring plate is parallel to the axis of the eccentric shaft.
In a preferred or alternative embodiment, the thimble mechanism includes a screw seat provided with a screw hole and a screw, the screw seat is fixedly mounted on the scraper seat, and one end of the screw passes through the screw hole to abut against the elastic sheet.
In a preferred or alternative embodiment, the elliptical frame further comprises a plurality of line frames and two guardrail frames, wherein a plurality of line frames are connected side by side, the two guardrail frames are respectively arranged at two ends of the line frames, and the elliptical guide rail is arranged on the line frames and the guardrail frames.
In a preferred or alternative embodiment, the elliptical printing machine further comprises a protection mechanism, the protection mechanism is arranged on the outer side of the trolley mechanism, the protection mechanism comprises two protection frames and protection ropes, the two protection frames are respectively arranged on the two protection frames, and the protection ropes are connected between the two protection frames.
In a preferred or alternative embodiment, the protection mechanism further comprises a detection unit and a scram switch device, the detection unit is connected to the end of the protection rope, the detection unit detects the stress change of the protection rope to send a trigger signal, and the scram switch device receives the trigger signal to disconnect.
In a preferred or alternative embodiment, the protection mechanism further comprises a scram button, the scram button being disposed on the protection frame, the scram button being electrically connected with the scram switch device.
In a preferred or alternative embodiment, the driving mechanism comprises a motor, a driving wheel and a driven wheel, the driving wheel and the driven wheel are respectively positioned in the wire body frames at two ends, the driving wheel and the driven wheel are driven by a driving chain, and the driving chain is in driving connection with one end of the transportation bedplate.
In a preferred or alternative embodiment, the printing mechanism further comprises a fine adjustment device, the fine adjustment device comprises a front fine adjustment part and a rear fine adjustment part, the front fine adjustment part and the rear fine adjustment part are arranged oppositely, the front fine adjustment part is fixedly arranged on the inclined pull frame, and the rear fine adjustment part is fixedly arranged on the printing head supporting frame.
In a preferred or alternative embodiment, the front trimming portion comprises a first trimming portion and a second trimming portion;
the first adjusting part comprises a first adjusting base, a first adjusting slide block, a first screw rod for pushing the first adjusting slide block and a second screw rod for pushing the first adjusting base, wherein the first adjusting base is provided with a first sliding groove which is parallel to the elliptical guide rail, the first adjusting slide block is connected with the first sliding groove in a sliding manner, the first screw rod pushes the first adjusting slide block to move on the first sliding groove, and the axial direction of the second screw rod is perpendicular to the sliding direction of the first sliding groove;
the second adjusting part is connected to the upper part of the first adjusting part through a third screw rod, and the axial direction of the third screw rod is perpendicular to the sliding direction of the first sliding groove;
the rear fine adjustment part comprises a third adjustment part and a fourth adjustment part;
the third adjusting part comprises a second adjusting base, a second adjusting slide block, a fourth screw rod for pushing the second adjusting slide block and an extrusion spring for extruding the second adjusting base, the second adjusting base is provided with a second sliding groove, the second sliding groove is parallel to the elliptical guide rail, the second adjusting slide block is connected with the second sliding groove in a sliding manner, the fourth screw rod pushes the second adjusting slide block to move on the second sliding groove, and the axial direction of the extrusion spring is perpendicular to the sliding direction of the second sliding groove;
the fourth adjusting part is connected to the upper part of the third adjusting part through a fifth screw rod, and the axial direction of the fifth screw rod is perpendicular to the sliding direction of the second sliding groove.
In order that the invention may be more clearly understood, specific embodiments thereof will be described below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic view of the overall structure of an elliptical printing machine of the present invention;
FIG. 2 is a schematic view of an elliptical frame structure of an elliptical printing machine of the present invention;
FIG. 3 is a schematic view of the printing mechanism of the elliptical printing machine of the present invention;
FIG. 4 is a schematic view of the doctor blade holder and doctor blade of the elliptical printing machine of the present invention;
FIG. 5 is a bottom view of the scraper blade of the elliptical printing machine of the present invention;
FIG. 6 is a schematic view of the mounting of the elastic attachment, ejector pin mechanism and scraper blade seat of the elliptical printing machine of the present invention;
FIG. 7 is a schematic view of the structure of the eccentric shaft of the elliptical printing machine of the present invention;
FIG. 8 is a schematic view of the rear trim portion of the elliptical printing machine of the present invention;
fig. 9 is a schematic structural view of a protection mechanism of the elliptical printing machine of the present invention.
Description of the drawings: 1. an elliptical frame; 11. a wire body frame; 12. a guardrail frame; 13. an elliptical guide rail; 2. a trolley mechanism; 21. a transport platen; 3. a driving mechanism; 31. a driving wheel; 32. driven wheel; 33. a drive chain; 4. a printing mechanism; 41. a cable-stayed frame; 42. a print head support; 43. a printing head frame; 431. a printhead beam; 432. a guide rail; 433. a scraper seat; 4331. a bearing; 434. a scraper; 435. an eccentric shaft; 4351. a first shaft portion; 4352. a second shaft portion; 436. a rotating shaft; 437. a guide wheel; 438. an elastic connection member; 439. a thimble mechanism; 44. a fine tuning device; 441. a front fine adjustment section; 4411. a first screw rod; 4412. a second screw rod; 4413. a third screw rod; 442. a rear fine adjustment section; 4421. a second adjustment base; 4422. a second adjustment slider; 4423. a fourth screw rod; 4424. a fifth screw rod; 5. a protective mechanism; 51. a protective frame; 52. a protective rope.
Detailed Description
Referring to fig. 1 and 2, fig. 1 is a schematic view of the overall structure of an elliptical printing machine according to the present invention, and fig. 2 is a schematic view of the elliptical frame of the elliptical printing machine according to the present invention.
The elliptical printing machine comprises an elliptical frame 1, a trolley mechanism 2, a driving mechanism 3, a plurality of printing mechanisms 4 and a protection mechanism 5. The trolley mechanism 2 is arranged on the elliptical frame 1, the driving mechanism 3 is arranged in the elliptical frame 1, the driving mechanism 3 drives the trolley mechanism 2 to move on the elliptical frame 1, the printing mechanism 4 is arranged along the elliptical frame 1 at intervals, and the protection mechanism 5 is arranged on the outer side of the trolley mechanism 2.
The elliptical machine frame 1 comprises a plurality of line frames 11, two guardrail frames 12 and elliptical guide rails 13, wherein a plurality of line frames 11 are connected side by side, the two guardrail frames 12 are respectively arranged at two ends of the line frames 11, and the elliptical guide rails 13 are arranged on the line frames 11 and the guardrail frames 12. The oval frame 1 provides an installation space for the driving mechanism 3.
Specifically, the wire body frame 11 and the guardrail frame 12 are assembled by aluminum profiles, so that the installation, the disassembly and the maintenance are rapid and convenient, and the printing mechanism 4 and auxiliary equipment are increased.
Preferably, the elliptical guide 13 includes a main rail and a sub rail, the main rail and the sub rail being parallel to each other, and a distance therebetween is maintained to be uniform. The primary rail and the secondary rail can provide a more stable support for the trolley mechanism 2.
The trolley mechanism 2 comprises a plurality of transport pallets 21, and the transport pallets 21 are slidably arranged on the elliptical guide rails 13.
The driving mechanism 3 comprises a motor (not shown), a driving wheel 31 and a driven wheel 32, the driving wheel 31 and the driven wheel 32 are respectively positioned in the wire body frame 11 at two ends, the driving wheel 31 is driven by the motor, the driving wheel 31 and the driven wheel 32 are in transmission connection through a transmission chain 33, and the transmission chain 33 is in transmission connection with the transportation platen 21. The transmission mechanism drives the trolley mechanism 2 to move along the elliptical guide rail 13.
Preferably, the driving wheel 31 is a driving gear, the driven wheel 32 is a driven gear, the driving chain 33 is respectively meshed with the driving wheel 31 and the driven wheel 32, the driving gear is driven by a driving motor, the driving gear drives the driving chain 33, and the driving chain 33 drives the driven gear. The transmission chain 33 is hinged to one side of the trolley mechanism 2, and when the transmission chain 33 moves, the transmission chain 33 can drive the trolley mechanism 2 to move on the elliptical guide rail 13.
Referring to fig. 3 and 4, fig. 3 is a schematic structural view of a printing mechanism of the elliptical printing machine according to the present invention, and fig. 4 is a schematic structural view of a scraper seat and a scraper of the elliptical printing machine according to the present invention.
The printing mechanism 4 is arranged at intervals along the elliptical guide rail 13, and the printing mechanism 4 comprises a diagonal drawing frame 41, a printing head supporting frame 42, a printing head frame 43 and a fine adjustment device 44.
The diagonal drawing frame 41 is arranged on the line body frame 11 of the elliptical frame 1, and the printing head supporting frame 42 is arranged on the line body frame 11 of the elliptical frame 1 and opposite to the diagonal drawing frame 41.
The head frame 43 includes a head beam 431, two guide rails 432, a doctor blade holder 433, a doctor blade 434, two eccentric shafts 435, and two rotating shafts 436.
One end of the print head beam 431 is rotatably disposed on the inclined pulling frame 41, the other end of the print head beam 431 is mounted on the print head supporting frame 42, two guide rails 432 are disposed in parallel at the bottom end of the print head beam 431, the scraper 434 is mounted on the bottom end of the scraper seat 433, two eccentric shafts 435 and two rotating shafts 436 are disposed on the scraper seat 433 in parallel, guide wheels 437 are disposed at the top ends of the two eccentric shafts 435 and the two rotating shafts 436, the guide wheels 437 of the two eccentric shafts 435 are embedded in one side of the two guide rails 432, the guide wheels 437 of the two rotating shafts 436 are embedded in the other side of the two guide rails 432 and can slide along the two guide rails 432, preferably, the guide rails 437 are concave wheels, and the contact surface between the concave wheels and the polished rods is more suitable for enabling the concave wheels to be better embedded with the polished rods by tightly pushing the concave wheels. The rotation axis 436 of the two concave wheels is perpendicular to the plane of the two polish rods, the vector of the torsion force of the eccentric shaft 435 is on the plane of the two polish rods, and the wheel surface of the concave wheels is propped against the polish rods along the plane of the two polish rods, so that the torsion force can prop the concave wheels against the guide rail 432 to the maximum extent without deviating beyond other directions.
Referring to fig. 5 to 7, fig. 5 is a bottom view of a scraper blade of the elliptical printing machine of the present invention, fig. 6 is a schematic view of installation of an elastic connecting piece, a thimble mechanism and the scraper blade of the elliptical printing machine of the present invention, and fig. 7 is a schematic view of a structure of an eccentric shaft of the elliptical printing machine of the present invention.
In this embodiment, the eccentric shaft 435 includes a first shaft portion 4351 and a second shaft portion 4352, axes of the first shaft portion 4351 and the second shaft portion 4352 are parallel, a top end of the first shaft portion 4351 is connected to a bottom end of the second shaft portion 4352, bottom ends of the two first shaft portions 4351 are connected to the elastic connection member, and a guide wheel 437 is disposed at a top end of the second shaft portion 4352. Preferably, the diameter of the first shaft 4351 is larger than that of the second shaft 4352, and the large shaft drives the small shaft to be more stable. The scraper seat 433 is provided with four bearings 4331, the second shaft portions 4352 of the two eccentric shafts 435 and the two rotating shafts 436 are respectively inserted into the four bearings 4331, the outer diameter surfaces of the two eccentric shafts 435 and the two rotating shafts 436 are respectively provided with two protruding blocks along the axial direction, the four bearings 4331 are respectively limited between the two second shaft portions 4352 and the two protruding blocks of the two rotating shafts 436, the protruding blocks limit the bearings 4331 from sliding along the axial direction, and preferably, the protruding blocks can be annular rings, such as shaft retainer rings.
The platen frame 43 further includes an elastic connection 438 and a thimble mechanism 439. The elastic connecting pieces 438 are respectively connected to the bottom ends of the two eccentric shafts 435, the thimble mechanisms 439 are tightly pressed against the elastic connecting pieces 438, so that the elastic connecting pieces 438 are elastically deformed to drive the two eccentric shafts 435 to rotate, and the guide wheels 437 on the two eccentric shafts 435 are tightly pressed on the guide rail 432.
In this embodiment, the elastic connection member 438 is a spring plate, and the bottom ends of the two eccentric shafts 435 are provided with mounting grooves. The two ends of the elastic sheet are respectively clamped into the mounting groove in a mode that the elastic surface of the elastic sheet is parallel to the axis of the eccentric shaft 435, and one elastic sheet can simultaneously control the rotation of the two eccentric shafts 435 to rotate along opposite directions. In other embodiments, the resilient connecting element 438 may be other resilient members, such as a bar-like resilient rod. The thimble mechanism 439 comprises a screw seat provided with a screw hole and a screw, the screw seat is fixedly arranged on the scraper seat 433, one end of the screw passes through the screw hole to vertically prop against the middle part of the elastic surface of the elastic sheet, and the tensioning degree of the elastic sheet can be adjusted by adjusting the rotation of the screw, so that the eccentric shafts 435 of the two eccentric shafts 435 are driven to rotate, and the guide wheels 437 on the two eccentric shafts 435 are pressed on the guide rail 432. In other embodiments, the thimble mechanism 439 may be a rod-shaped part, a spring is sleeved on the rod-shaped part, the rod-shaped part passes through a mounting seat to abut against the elastic connecting member 438, one end of the spring abuts against the mounting seat, and the other end pushes the rod-shaped part against the elastic connecting member 438, so that the elastic deformation state of the elastic connecting member 438 is maintained by the spring.
In addition, according to practical requirements, for example, the situation of greater abrasion, the spindle 436 may also be the eccentric shaft 435, two sets of elastic connection elements 438 and the thimble mechanism 439 are needed, and the four guide wheels 437 are simultaneously pressed against the guide rail 432 by the two sets of elastic connection elements 438, so that the guide wheels 437 are more stably attached to the guide rail 432.
Referring to fig. 8, fig. 8 is a schematic structural view of a rear fine adjustment part of the elliptical printing machine according to the present invention.
The fine adjustment device 44 includes a front fine adjustment portion 441 and a rear fine adjustment portion 442, the front fine adjustment portion 441 and the rear fine adjustment portion 442 are disposed opposite to each other, the front fine adjustment portion 441 is fixedly disposed on the diagonal frame 41, and the rear fine adjustment portion 442 is fixedly disposed on the print head supporting frame 42. A printing screen frame is disposed between the front trimming portion 441 and the rear trimming portion 442, the printing screen frame presses the material on the transporting platen 21 during the printing process of the printing mechanism 4, and the doctor 434 repeatedly scrapes the printing screen frame to print the pigment or other material of the printing screen frame on the surface of the material on the transporting platen 21.
The front fine adjustment part 441 includes a first adjustment part and a second adjustment part. The first adjusting part comprises a first adjusting base, a first adjusting sliding block, a first screw rod 4411 for pushing the first adjusting sliding block and a second screw rod 4412 for pushing the first adjusting base. The first adjusting base is provided with a first chute, preferably, the first chute is a dovetail groove, and in other embodiments, the first chute may be a T-shaped groove or other clamping groove structures commonly used by those skilled in the art. The first sliding groove is parallel to the elliptical guide rail 13, the first adjusting slide block is slidably connected to the first sliding groove, the first screw rod 4411 pushes the first adjusting slide block to move on the first sliding groove, and the axial direction of the second screw rod 4412 is perpendicular to the sliding direction of the first sliding groove. The second adjusting part is connected to the upper part of the first adjusting part through a third screw rod 4413, and the axial direction of the third screw rod 4413 is perpendicular to the sliding direction of the first sliding groove. In the front fine adjustment portion 441, a user can adjust the position of the printing screen frame in three dimensions by adjusting the first screw 4411, the second screw 4412, and the third screw 4413.
The rear fine adjustment portion 442 includes a third adjustment portion and a fourth adjustment portion. The third adjusting part includes a second adjusting base 4421, a second adjusting slider 4422, a fourth screw rod 4423 for pushing the second adjusting slider 4422, and a pressing spring for pressing the second adjusting base 4421. The second adjusting base 4421 is provided with a second sliding groove, preferably, the second sliding groove is a dovetail groove, and in other embodiments, the second sliding groove may be a T-shaped groove or other clamping groove structures commonly used by those skilled in the art. The second sliding groove is parallel to the elliptical guide rail 13, the second adjusting slide block 4422 is slidably connected to the second sliding groove, the fourth screw rod 4423 pushes the second adjusting slide block 4422 to move on the second sliding groove, and the axial direction of the extrusion spring is perpendicular to the sliding direction of the second sliding groove. The fourth adjusting part is connected to the upper part of the third adjusting part through a fifth screw rod 4424, and the axial direction of the fifth screw rod 4424 is perpendicular to the sliding direction of the second sliding groove. In the rear fine adjustment portion 442, a user may adjust positions of two dimensions of the printing frame by adjusting the fourth screw 4423 and the fifth screw 4424, and the pressing spring presses the printing frame toward the front fine adjustment portion 441, and the pressing spring cooperates with the third screw 4413 to clamp the printing frame, so as to prevent the printing frame from shaking during scraping by the scraper 434.
The user can be through adjusting fine setting mechanism carries out the regulation of three dimension to the printing screen frame that sets up in the fine setting mechanism for elliptical printing machine can be guaranteed in the in-process of printing the stamp location on the printing screen frame is accurate, has improved the printing precision.
Referring to fig. 9, fig. 9 is a schematic structural view of a protection mechanism of an elliptical printing machine according to the present invention.
The protection mechanism 5 comprises two protection frames 51, a protection rope 52, a detection unit, a sudden stop switch device and a sudden stop button.
The two protective frames 51 are respectively arranged on the two protective frames, the protective ropes 52 are connected between the two protective frames 51, preferably, the protective frames 51 are provided with fixed pulleys, the protective ropes 52 are connected with the fixed pulleys, and the fixed pulleys can change the arrangement direction of the protective ropes 52 but cannot change the stress transmission of the protective ropes 52. The detection unit is connected to the end of the protection rope 52, the detection unit detects the stress change of the protection rope 52 and sends a trigger signal, the emergency stop switch device receives the trigger signal to be disconnected, preferably, the detection unit is a tension sensor, when the middle section of the protection rope 52 receives an external force, the two ends of the protection rope 52 can pull the tension sensor, after the tension measurement value exceeds a set value, the tension sensor sends the trigger signal, in other embodiments, the detection unit can be a photoelectric sensor, the end of the protection rope 52 is provided with a mark position, when the middle section of the protection rope 52 receives the external force, the two ends of the protection rope 52 can move, so that the mark position moves, the photoelectric sensor cannot detect the mark position, and the photoelectric sensor sends the trigger signal. The emergency stop button is arranged on the protection frame 51 and is electrically connected with the emergency stop device, and the emergency stop button is convenient for a user to manually and emergently stop the elliptical printing machine.
When the elliptical printing machine works, the protection mechanism 5 can prevent a user from being too close to the trolley mechanism 2 to form a safety area, and when the protection mechanism 5 is triggered, the protection mechanism 5 can carry out scram on the elliptical printing machine, so that the safety operability is improved.
The printing mechanism of the elliptical printing machine is provided with the elastic connecting piece and the thimble mechanism, and even if mechanical abrasion is generated between the guide wheel and the guide rail, the elastic connecting piece and the thimble mechanism can also tightly attach the guide wheel to the guide rail, so that the condition that the scraper seat is influenced to move due to abrasion of the guide rail is reduced.
The present invention is not limited to the above-described embodiments, but, if various modifications or variations of the present invention are not departing from the spirit and scope of the present invention, the present invention is intended to include such modifications and variations as fall within the scope of the claims and the equivalents thereof.
Claims (8)
1. An elliptical printing machine, comprising:
the elliptical machine frame comprises an elliptical guide rail, a plurality of line frames and two guardrail frames, wherein the line frames are connected side by side, the two guardrail frames are respectively arranged at two ends of the line frames, and the elliptical guide rail is arranged on the line frames and the guardrail frames;
the trolley mechanism comprises a plurality of conveying bedplate which are arranged on the elliptical guide rail in a sliding way;
the driving mechanism is arranged in the elliptical rack and drives the trolley mechanism to move along the elliptical guide rail;
the printing mechanism comprises a diagonal frame, a printing head support frame and a printing head frame, wherein the diagonal frame is arranged on the elliptical frame, the printing head support frame is arranged on the elliptical frame and is opposite to the diagonal frame, the printing head frame comprises a printing head beam, two guide rails, a scraping knife seat, a scraper, two eccentric shafts and two rotating shafts, one end of the printing head beam is rotatably arranged on the diagonal frame, the other end of the printing head beam is erected on the printing head support frame, the two guide rails are arranged at the bottom end of the printing head beam in parallel, the scraper is arranged at the bottom end of the scraping knife seat, the two eccentric shafts and the two rotating shafts are arranged on the scraping knife seat in parallel, guide wheels are respectively arranged at the top ends of the two eccentric shafts and the two rotating shafts, the guide wheels of the two eccentric shafts are embedded on one side of the two guide rails, the guide wheels of the two rotating shafts are embedded on the other side of the two guide rails and can slide along the two guide rails;
the printing head frame further comprises elastic connecting pieces and thimble mechanisms, wherein the elastic connecting pieces are respectively connected to the bottom ends of the two eccentric shafts, the thimble mechanisms are tightly propped against the elastic connecting pieces, so that the elastic connecting pieces elastically deform to drive the two eccentric shafts to rotate, and guide wheels on the two eccentric shafts are tightly pressed on the guide rails;
the elastic connecting piece is a spring piece, the bottom ends of the two eccentric shafts are provided with mounting grooves, and the two ends of the spring piece are respectively clamped into the mounting grooves in a mode that the elastic surface of the spring piece is parallel to the axis of the eccentric shaft.
2. Elliptical printing machine according to claim 1, characterized in that:
the thimble mechanism comprises a screw seat and a screw, wherein the screw seat is provided with a screw hole, the screw seat is fixedly arranged on the scraper seat, and one end of the screw penetrates through the screw hole to be propped against the elastic sheet.
3. Elliptical printing machine according to claim 1, characterized in that:
the trolley is characterized by further comprising a protection mechanism, wherein the protection mechanism is arranged on the outer side of the trolley mechanism and comprises two protection frames and protection ropes, the two protection frames are respectively arranged on the two protection frames, and the two protection ropes are connected between the two protection frames.
4. An elliptical printing machine according to claim 3, wherein:
the protection mechanism further comprises a detection unit and a scram switch device, the detection unit is connected to the end part of the protection rope, the detection unit detects the stress change of the protection rope to send out a trigger signal, and the scram switch device receives the trigger signal to disconnect.
5. An elliptical printing machine according to claim 4, wherein:
the protection mechanism further comprises a scram button, the scram button is arranged on the protection frame, and the scram button is electrically connected with the scram switch device.
6. Elliptical printing machine according to claim 1, characterized in that:
the driving mechanism comprises a motor, a driving wheel and a driven wheel, wherein the driving wheel and the driven wheel are respectively positioned in the wire body frames at two ends, the driving wheel and the driven wheel are transmitted through a transmission chain, and the transmission chain is in transmission connection with one end of the transportation bedplate.
7. Elliptical printing machine according to any one of claims 1 to 6, characterized in that:
the printing mechanism further comprises a fine adjustment device, the fine adjustment device comprises a front fine adjustment part and a rear fine adjustment part, the front fine adjustment part and the rear fine adjustment part are oppositely arranged, the front fine adjustment part is fixedly arranged on the inclined pulling frame, and the rear fine adjustment part is fixedly arranged on the printing head supporting frame.
8. An elliptical printing machine according to claim 7, wherein:
the front fine adjustment part comprises a first adjustment part and a second adjustment part;
the first adjusting part comprises a first adjusting base, a first adjusting slide block, a first screw rod for pushing the first adjusting slide block and a second screw rod for pushing the first adjusting base, wherein the first adjusting base is provided with a first sliding groove which is parallel to the elliptical guide rail, the first adjusting slide block is connected with the first sliding groove in a sliding manner, the first screw rod pushes the first adjusting slide block to move on the first sliding groove, and the axial direction of the second screw rod is perpendicular to the sliding direction of the first sliding groove;
the second adjusting part is connected to the upper part of the first adjusting part through a third screw rod, and the axial direction of the third screw rod is perpendicular to the sliding direction of the first sliding groove;
the rear fine adjustment part comprises a third adjustment part and a fourth adjustment part;
the third adjusting part comprises a second adjusting base, a second adjusting slide block, a fourth screw rod for pushing the second adjusting slide block and an extrusion spring for extruding the second adjusting base, the second adjusting base is provided with a second sliding groove, the second sliding groove is parallel to the elliptical guide rail, the second adjusting slide block is connected with the second sliding groove in a sliding manner, the fourth screw rod pushes the second adjusting slide block to move on the second sliding groove, and the axial direction of the extrusion spring is perpendicular to the sliding direction of the second sliding groove;
the fourth adjusting part is connected to the upper part of the third adjusting part through a fifth screw rod, and the axial direction of the fifth screw rod is perpendicular to the sliding direction of the second sliding groove.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910860888.9A CN110435292B (en) | 2019-09-11 | 2019-09-11 | Elliptical printing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910860888.9A CN110435292B (en) | 2019-09-11 | 2019-09-11 | Elliptical printing machine |
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| CN110435292A CN110435292A (en) | 2019-11-12 |
| CN110435292B true CN110435292B (en) | 2024-03-26 |
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| CN112247755B (en) * | 2020-09-27 | 2021-11-09 | 泉州市海恩德机电科技发展有限公司 | Swing beam structure of polishing equipment |
| CN115489195A (en) * | 2022-09-08 | 2022-12-20 | 东莞佳华自动化科技有限公司 | Multicolor printing production line and printing method |
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| JP3094233U (en) * | 2002-11-22 | 2003-06-13 | 進旺 藍 | Forced localization device for printing machine base plate |
| CN201136686Y (en) * | 2008-01-08 | 2008-10-22 | 中国国际海运集装箱(集团)股份有限公司 | Guide device of buck stacker and buck stacker with the guide device |
| CN101491964A (en) * | 2008-01-27 | 2009-07-29 | 如皋市天元服饰印业有限公司 | High-precision full-automatic printing machine |
| CN107471815A (en) * | 2017-08-02 | 2017-12-15 | 广州诚鼎机器人有限公司 | A kind of new fine tuning structure design of oval printing machine |
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| JP3094233U (en) * | 2002-11-22 | 2003-06-13 | 進旺 藍 | Forced localization device for printing machine base plate |
| CN201136686Y (en) * | 2008-01-08 | 2008-10-22 | 中国国际海运集装箱(集团)股份有限公司 | Guide device of buck stacker and buck stacker with the guide device |
| CN101491964A (en) * | 2008-01-27 | 2009-07-29 | 如皋市天元服饰印业有限公司 | High-precision full-automatic printing machine |
| CN107471815A (en) * | 2017-08-02 | 2017-12-15 | 广州诚鼎机器人有限公司 | A kind of new fine tuning structure design of oval printing machine |
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