阅读说明：本技术 一种反光膜防伪标识的打印装置 (Printing device for anti-counterfeiting mark of reflective film ) 是由 徐君东 陈丰明 于 2019-10-31 设计创作，主要内容包括：本发明提供了一种反光膜防伪标识的打印装置,属于反光膜技术领域。它解决了现有打印装置存在精度低、控制不方便、适应性差等技术问题。本反光膜防伪标识的打印装置包括送料筒、机架和卷料筒,机架的中部设有打印平台,打印平台的前后两侧对称设有打印支架,打印支架和送料筒之间的机架上设有调偏机构和张紧机构,打印支架和卷料筒之间的机架上设有张紧机构,打印支架上设有升降台,升降台上设有安装座,安装座上设有安装板,安装板上沿纵向间隔设有打印模组。本发明通过多轴对激光头进行控制,控制精度更高；通过可转动的激光头使激光与反光膜在纵向上形成倾角,通过可转动的打印平台使激光与反光膜在横向上形成倾角,适用性更高。(The invention provides a printing device for a reflective film anti-counterfeiting mark, and belongs to the technical field of reflective films. The printing device solves the technical problems of low precision, inconvenient control, poor adaptability and the like of the existing printing device. This printing device of reflective membrane false proof mark includes a pay-off section of thick bamboo, frame and a roll material section of thick bamboo, and the middle part of frame is equipped with print platform, and bilateral symmetry is equipped with the printing support around print platform, is equipped with tuningout mechanism and straining device in the frame between printing support and the pay-off section of thick bamboo, is equipped with straining device in the frame between printing support and the roll material section of thick bamboo, is equipped with the elevating platform on the printing support, is equipped with the mount pad on the elevating platform, is equipped with the mounting panel on the mount pad, is equipped with the printing module group along. The laser head is controlled through multiple shafts, so that the control precision is higher; the laser and the reflective film form an inclination angle in the longitudinal direction through the rotatable laser head, the laser and the reflective film form an inclination angle in the transverse direction through the rotatable printing platform, and the applicability is higher.)

1. The utility model provides a printing device of reflective membrane false proof mark which characterized in that: comprises a feeding barrel (11), a frame (10) and a coiling barrel (13) which are arranged from front to back in sequence, a printing platform (2) is arranged in the middle of the frame (10), printing supports (3) are symmetrically arranged on the front side and the rear side of the printing platform (2), a deviation adjusting mechanism (4) and a tensioning mechanism (5) are arranged on the frame (10) between the printing support (3) and the feeding barrel (11), a tensioning mechanism (5) is arranged on the frame (10) between the printing support (3) and the material rolling barrel (13), the printing support (3) is provided with a lifting platform (31) which can move up and down along the vertical direction, the lifting platform (31) is provided with a mounting seat (32) capable of moving along the transverse direction, the mounting seat (32) is provided with a mounting plate (33) capable of moving along the longitudinal direction, and the mounting plate (33) is provided with printing modules for printing anti-counterfeiting marks at intervals along the longitudinal direction.

2. The printing device of the reflective film anti-counterfeiting mark according to claim 1, characterized in that: print the module and include diaphragm (34), riser (35) and laser head (36), the inner of diaphragm (34) and the lower tip vertical fixation of riser (35), the side of going up of mounting panel (33) is along vertically being equipped with first slide rail (331), diaphragm (34) with first slide rail (331) slidable connection, the outer end of diaphragm (34) is equipped with can be with diaphragm (34) and mounting panel (33) fixed hasp (341), laser head (36) are connected with the medial surface of riser (35) through connecting axle (361) of horizontal setting, laser head (36) can rotate around connecting axle (361).

3. The printing device of the reflective film anti-counterfeiting mark according to claim 2, characterized in that: the vertical plate (35) is provided with positioning holes (351) at intervals along the vertical direction, the inner end of the connecting shaft (361) is fixed with the first sliding block (362), and the first sliding block (362) is fixedly connected with the positioning holes (351) through fasteners.

4. The printing device of the reflective film anti-counterfeiting mark according to claim 2, characterized in that: the two first sliding rails (331) are symmetrically arranged on the mounting plate (33) in a front-back mode, parallel first racks (332) are arranged between the two first sliding rails (331), a first gear (342) meshed with the first racks (332) is arranged on the lower side face of the transverse plate (34), and a first handle (343) driving the first gear (342) to rotate is arranged on the upper side of the transverse plate (34).

5. The printing device of the reflective film anti-counterfeiting mark according to claim 1, characterized in that: two second sliding rails (321) which are symmetrical front and back are longitudinally arranged on the upper surface of the mounting base (32), a parallel second rack (322) is arranged between the two second sliding rails (321), a second gear (333) meshed with the second rack (322) is rotatably arranged on the lower end surface of the mounting plate (33), and a second driving piece (334) for driving the second gear (333) to rotate is arranged on the upper end surface of the mounting plate (33); be equipped with third slide rail (323) and horizontal lead screw (324) along transversely on the downside of mount pad (32), be fixed with on elevating platform (31) with third slide rail (323) complex second slider (311) and with lead screw complex screw-nut (312), the one end of horizontal lead screw (324) is equipped with drive horizontal lead screw (324) pivoted second handle (325).

6. The printing device of the reflective film anti-counterfeiting mark according to any one of claims 1 to 5, wherein: the tensioning mechanism (5) comprises two parallel supporting plates (51), one end of each supporting plate (51) is rotatably connected with the frame (10) through a hinge shaft (52) penetrating through the two supporting plates (51), the other end of each supporting plate (51) is provided with a first tensioning roller (53) and a second tensioning roller (54) at intervals along the length direction of the supporting plate (51), a third tensioning roller (55) rotatably connected with the frame (10) is arranged above the other end of each supporting plate (51), the third tensioning roller (55) is transversely positioned between the first tensioning roller (53) and the second tensioning roller (54), and the other ends of the two supporting plates (51) rotate downwards around the hinge shafts (52) to tension the reflective film; and a third driving piece (56) capable of driving the other end of the supporting plate (51) to rotate up and down around the hinge shaft (52) is arranged on the rack (10).

7. The printing device of the reflective film anti-counterfeiting mark according to any one of claims 1 to 5, wherein: the utility model discloses a pay-off, including pay-off mounting bracket (12), feeding barrel (11) is rotatable to be located on pay-off mounting bracket (12), be equipped with first tuningout sensor (46) between the front end of pay-off mounting bracket (12) and frame (10), all be equipped with gyro wheel (121) on four angles of the bottom of pay-off mounting bracket (12), the downside of gyro wheel (121) be equipped with gyro wheel (121) complex limiting plate (122), the left and right sides of limiting plate (122) is fixed with limiting column (123), the middle part of pay-off mounting bracket (12) bottom is equipped with drive pay-off mounting bracket (12) and controls rolling fourth drive piece (124).

8. The printing device of the reflective film anti-counterfeiting mark according to any one of claims 1 to 5, wherein: an offset adjusting base (41) is arranged on a rack (10) between the printing support (3) and the feeding barrel (11), first offset adjusting rollers (411) are arranged on the front side and the rear side of the upper end face of the offset adjusting base (41), an offset adjusting support (42) is arranged above the offset adjusting base (41), second offset adjusting rollers (421) are arranged on the front side and the rear side of the offset adjusting support (42), an offset adjusting shaft (43) which is vertically arranged is connected between the offset adjusting support (42) and the offset adjusting base (41), a fifth driving piece (44) capable of driving the offset adjusting support (42) to rotate around the offset adjusting shaft (43) is arranged on the offset adjusting base (41), and a second offset adjusting sensor (45) is arranged between the first offset adjusting roller (411) and the second offset adjusting rollers (421); the main body of the fifth driving piece (44) can be horizontally and rotatably arranged in the middle of the deviation adjusting base (41), a piston rod of the fifth driving piece (44) is connected with the left side of the rear end of the deviation adjusting support (42), and the deviation adjusting shaft (43) is arranged on the left side of the front end of the deviation adjusting support (42); an L-shaped connecting plate (47) is fixed on the right side of the rear end of the deviation adjusting support (42), a guide rod (48) is fixed on the vertical portion of the connecting plate (47), a guide plate (49) is fixed on the deviation adjusting base (41), an arc-shaped guide groove (491) is formed in the side wall of the guide plate (49), the circle center of the guide groove (491) is located on the central axis of the deviation adjusting shaft (43), and the guide rod (48) is arranged in the guide groove (491) and can slide along the guide groove (491).

9. The printing device of the reflective film anti-counterfeiting mark according to any one of claims 1 to 5, wherein: the printing platform is characterized in that air suction holes (211) are uniformly distributed in a table board (21) at the upper end of the printing platform (2), each air suction hole (211) is connected with an air suction fan (23) through an air suction pipeline (22), the left end and the right end of the printing platform (2) are rotatably connected with a frame body (25) through rotating shafts (24) which are coaxially arranged, a coaxial helical gear (26) is fixed on one rotating shaft (24), a driving rod (27) is rotatably fixed on the frame body (25), helical threads (271) meshed with the helical gear (26) are formed on the driving rod (27), and the range of the helical angle beta of the helical gear (26) is 2-10 degrees; bearings are sleeved at two end parts of the driving rod (27), each bearing is fixedly connected with the frame body (25) through a bearing seat (272), and the inclined threads (271) are formed on the driving rod (27) between the two bearings; one end of the driving rod (27) extends out of the corresponding bearing and is fixedly connected with one end of a connecting rod (273), and the other end of the connecting rod (273) is connected with a seventh driving piece (274); the outer end of a rotating shaft (24) fixedly connected with the helical gear (26) extends out of the frame body (25), a pointer (28) capable of rotating along with the rotating shaft (24) is fixed to the outer end of the rotating shaft (24), an angle scale (29) matched with the pointer (28) is fixed to the outer side face of the frame body (25), and the angle scale (29) and the pointer (28) are matched to mark the inclination angle of the table top (21) relative to the horizontal plane.

10. The printing device of the reflective film anti-counterfeiting mark according to any one of claims 1 to 5, wherein: at least one pressurizing mechanism (6) is arranged on the frame (10), the pressurizing mechanism (6) comprises a first pressurizing roller (61) and a second pressurizing roller (62), the first pressurizing roller (61) is fixedly connected with the frame (10) through a roller fixing frame (63), one side of the roller fixing frame (63) is provided with a mounting frame (64) and a top block (65), the mounting rack (64) is positioned between the roller fixing rack (63) and the ejector block (65), one side of the mounting rack (64) facing the ejector block (65) is movably provided with a guide block (66) matched with the ejector block (65), a sixth driving piece (67) for driving the top block (65) to be close to or far away from the guide block (66) is arranged on one side of the top block (65) far away from the guide block (66), and along with the movement of the guide block (66), the distance between the contact point of the top block (65) and the guide block (66) and the roller is gradually increased or decreased.

Technical Field

The invention belongs to the technical field of reflective films, and particularly relates to a printing device for an anti-counterfeiting mark of a reflective film.

Background

Retroreflective sheeting is a retroreflective material that has been made into films for direct use, and is also the most widely used retroreflective material. The reflective film is required to have a strong anti-counterfeiting function in some fields, for example, when the reflective film is applied to a license plate, the license plate is an identity card of a vehicle and has uniqueness and particularity, a traffic department manages the vehicle through the reflective film, anti-counterfeiting marks applied to the license plate in each country may be different, but the anti-counterfeiting requirements are the same, at present, the reflective film is widely applied in a mode of mutually combining a plurality of anti-counterfeiting marks, for example, one anti-counterfeiting mark can be seen from the front side of the reflective film, and the other anti-counterfeiting mark can be seen from the side of the reflective film.

At present, the existing printing device has the problems of low precision, inconvenient control, poor adaptability and the like, and cannot print out a complex anti-counterfeiting mark.

Disclosure of Invention

The invention aims to provide a printing device with high precision and good adaptability.

The purpose of the invention is realized as follows:

the utility model provides a printing device of reflective membrane false proof mark which characterized in that: including a pay-off section of thick bamboo, frame and the coil stock section of thick bamboo that sets gradually from the front to the back, the middle part of frame is equipped with print platform, print platform's front and back bilateral symmetry is equipped with the printing support, be equipped with tuningout mechanism and straining device in the frame between printing support and the pay-off section of thick bamboo, be equipped with straining device in the frame between printing support and the coil stock section of thick bamboo, be equipped with the elevating platform that can follow vertical direction and reciprocate on the printing support, be equipped with the mount pad that can follow lateral shifting on the elevating platform, be equipped with the mounting panel that can follow longitudinal movement on the mount pad, be equipped with the printing module group that is used for printing anti-counterfeit marking along. According to the invention, the vertical position of the printing module is controlled by controlling the up-and-down movement of the lifting platform, the transverse position of the printing module is controlled by controlling the transversely moving mounting seat, and the longitudinal position of the printing module is controlled by controlling the longitudinally moving mounting plate, so that the printing module can reach any required position, the control is more accurate, the printing requirements of various anti-counterfeiting marks of the reflective film are met, and the adaptability is higher.

In foretell printing device of reflective membrane false proof mark, print the module and include diaphragm, riser and laser head, the inner of diaphragm and the lower tip vertical fixation of riser, the side of going up of mounting panel is along vertically being equipped with first slide rail, the diaphragm with first slide rail sliding connection, the outer end of diaphragm is equipped with can be with the fixed hasp of diaphragm and mounting panel, the laser head is connected with the medial surface of riser through the connecting axle that transversely sets up, the laser head can rotate around the connecting axle. Above-mentioned rotatable laser head can make the laser beam form the inclination with the reflective membrane on vertical, is convenient for print anti-counterfeit marking, for example openly see not showing, but anti-counterfeit marking that vertical slope just can see to but the sliding connection cooperation hasp through diaphragm and mounting panel can fix each laser head in the position that corresponds, is favorable to improving stability.

In foretell printing device of reflective membrane false proof mark, first slide rail has two and the longitudinal symmetry sets up on the mounting panel, be equipped with parallel first rack between two first slide rails, the downside of diaphragm is equipped with the first gear with first rack toothing, the upside of diaphragm is equipped with the first handle of the first gear revolve of drive.

In the printing device for the anti-counterfeiting mark of the reflective film, the vertical plate is provided with the positioning holes at intervals along the vertical direction, the inner end of the connecting shaft is fixed with the first sliding block, and the first sliding block is fixedly connected with the positioning holes through the fasteners. The height of the laser head in the vertical direction can be adjusted by matching the first sliding block with the positioning hole, so that the printing device has better adaptability.

In foretell printing device of reflective membrane false proof mark, the upper surface of mount pad is equipped with the second slide rail of two longitudinal symmetries around along vertically, be equipped with parallel second rack between two second slide rails, the rotatable second gear that meshes with the second rack that is equipped with on the lower terminal surface of mounting panel, be equipped with drive second gear pivoted second driving piece on the up end of mounting panel.

In foretell reflective membrane false proof mark's printing device, transversely be equipped with third slide rail and horizontal lead screw along on the downside of mount pad, be fixed with on the elevating platform with third slide rail complex second slider and with lead screw complex screw-nut, the one end of horizontal lead screw is equipped with the horizontal lead screw pivoted second handle of drive.

In foretell printing device of reflective membrane false proof mark, straining device includes two backup pads of parallel arrangement, a tip of backup pad is through articulated shaft and the frame rotatable coupling that runs through two backup pads, and another tip of backup pad is provided with first tensioning roller and second tensioning roller along the length direction interval of backup pad, another tip of backup pad top be equipped with frame rotatable coupling's third tensioning roller, third tensioning roller is located between first tensioning roller and the second tensioning roller on horizontal, and the other end of two backup pads rotates downwards around the articulated shaft and makes the reflective membrane tensioning.

In the above-mentioned printing device for anti-counterfeit mark of reflective film, the rack is provided with a third driving member capable of driving the other end of the supporting plate to rotate up and down around the hinge shaft.

In foretell printing device of reflective membrane false proof mark, both ends are equipped with the pressure measurement roller respectively around the frame, both ends all with the pressure sensor rotatable coupling that is fixed in the frame about the pressure measurement roller, the pressure that the reflective membrane applyed the pressure measurement roller is towards pressure sensor. This straining device rotates the tensioning degree that comes control reflective membrane through the control backup pad around the articulated shaft to carry out the feedback through the pressure measurement roller that sets up around the frame and adjust straining device in real time, make whole printing in-process reflective membrane be in suitable rate of tension all the time, be favorable to improving the stability and the security of printing.

In foretell printing device of reflective membrane false proof mark, the pay-off section of thick bamboo is rotatable to be located on the pay-off mounting bracket, be equipped with first tuningout sensor between the front end of pay-off mounting bracket and frame, all be equipped with the gyro wheel on four angles of the bottom of pay-off mounting bracket, the downside of gyro wheel be equipped with gyro wheel complex limiting plate, the left and right sides of limiting plate is fixed with the spacing post, the middle part of pay-off mounting bracket bottom is equipped with the fourth drive piece of rolling about the drive pay-off mounting bracket. The fourth driving part is a cylinder or a hydraulic cylinder; the first deviation adjusting sensor detects the position of the reflective film which just comes out of the feeding barrel, and then drives the feeding mounting frame to move longitudinally through the fourth driving piece, so that the position of the feeding barrel is adjusted, and the position deviation of the reflective film which comes out of the feeding barrel is avoided.

In foretell printing device of reflective membrane false proof mark, be equipped with the tuningout base in the frame between printing support and the pay-off section of thick bamboo, both sides are equipped with first tuningout roller around tuningout base up end, the top of tuningout base is equipped with the tuningout support, and both sides are equipped with the second tuningout roller around the tuningout support around, be connected with the tuningout axle of vertical setting between tuningout support and the tuningout base, be equipped with on the tuningout base and drive the tuningout support around the fifth driving piece of tuningout axle pivoted, be equipped with the second tuningout sensor between first tuningout roller and the second tuningout roller. The position of the reflective film can be adjusted by driving the deviation adjusting bracket to rotate around the deviation adjusting shaft through the fifth driving piece, so that the purpose of deviation adjustment is achieved; when the fifth driving piece drives the right end of the deviation adjusting support to rotate forwards, the reflecting film can deviate towards the right side; when the fifth driving piece drives the right end of the deviation adjusting support to rotate backwards, the reflecting film can deviate towards the left side.

In the above-mentioned printing device for the reflective film anti-counterfeit mark, the fifth driving member is a hydraulic cylinder, the main body of the fifth driving member can be horizontally rotated and arranged in the middle of the deviation adjusting base, the piston rod of the fifth driving member is connected with the left side of the rear end of the deviation adjusting support, and the deviation adjusting shaft is arranged on the left side of the front end of the deviation adjusting support.

In the printing device for the anti-counterfeit mark of the reflective film, an L-shaped connecting plate is fixed on the right side of the rear end of the deviation adjusting support, a guide rod is fixed on the vertical part of the connecting plate, a guide plate is fixed on the deviation adjusting base, an arc-shaped guide groove is formed in the side wall of the guide plate, the circle center of the guide groove is located on the central axis of the deviation adjusting shaft, and the guide rod is arranged in the guide groove and can slide along the guide groove.

In the above-mentioned printing device for anti-counterfeit mark with reflective film, the mesa of the upper end of the printing platform is evenly provided with air suction holes, each air suction hole is connected with a suction fan through an air suction pipeline, the left end and the right end of the printing platform are rotatably connected with the frame body through a rotating shaft which is coaxially arranged, one rotating shaft is fixedly provided with a coaxial helical gear, the frame body is rotatably fixed with a driving rod, the driving rod is formed with helical threads which are meshed with the helical gear, and the range of the helical angle beta of the helical gear is 2-10 degrees. According to the invention, the rotation of the printing platform can enable the laser emitted by the laser head and the reflective film to form an inclination angle in the transverse direction, and the inclination angles of the laser head and the reflective film can be controlled by matching with the rotatable laser head, for example, the printed anti-counterfeiting mark can be seen only when the anti-counterfeiting mark is at the left back and forms a 45-degree included angle with the reflective film, and the reflective film can be printed for many times by laser beams at multiple angles, so that multiple anti-counterfeiting marks are realized, the printing is more stable, and the applicability is higher.

In the printing device for the anti-counterfeiting mark of the reflective film, bearings are sleeved at two end parts of the driving rod, each bearing is fixedly connected with the frame body through a bearing seat, and the inclined threads are formed on the driving rod between the two bearings; one end of the driving rod extends out of the corresponding bearing and is fixedly connected with one end of the connecting rod, and the other end of the connecting rod is connected with a seventh driving piece; the outer end part of a rotating shaft fixedly connected with the helical gear extends out of the frame body, a pointer capable of rotating along with the rotating shaft is fixed on the outer end part of the rotating shaft, an angle scale matched with the pointer is fixed on the outer side surface of the frame body, and the angle scale is matched with the pointer to mark the inclination angle of the table top relative to the horizontal plane. The printing platform drives the helical gear to rotate in a manner of meshing the helical gear with the helical thread, so that the printing platform is driven to rotate, and the helical angle beta of the helical gear is between 2 degrees and 10 degrees, so that the helical gear can only be driven to rotate by a slight angle every time a driving rod rotates for one circle, and the precision of controlling the printing platform is improved; meanwhile, the printing platform has driving force for recovering the level under the action of gravity, the driving force acts on the helical thread of the driving rod through the helical gear, and because the angle beta is small, the force capable of enabling the driving rod to move reversely in the driving force is far smaller than the pressure acting on the driving rod in the axial direction, so that the friction force between the driving rod and the helical gear is larger than the acting force for enabling the driving rod to rotate reversely, the stability of the printing platform after rotation is ensured, and the automatic reverse rotation of the printing platform is avoided.

In foretell printing device of reflective membrane false proof mark, be equipped with at least one loading system in the frame, loading system is including being fixed in first pressurization roller, second pressurization roller, first pressurization roller links firmly with the frame through the roller mount, and one side of roller mount is equipped with mounting bracket and kicking block, the mounting bracket is located between roller mount and the kicking block and the mounting bracket is portable to one side of kicking block be provided with kicking block complex guide block, one side that the guide block was kept away from to the kicking block is equipped with the sixth driving piece that the drive kicking block is close to or keeps away from the guide block, along with the removal of guide block, the contact point of kicking block and guide block increases gradually or reduces with the distance L of roller. The pressurizing mechanisms are symmetrically arranged at two ends of the first pressurizing roller and the second pressurizing roller, and sixth driving pieces at two ends of the first pressurizing roller and the second pressurizing roller synchronously work; then, the top block is matched with the guide block, the pressure applied to the reflective film is controlled by limiting the distance between the first pressurizing roller and the second pressurizing roller, and the pressure is controlled by controlling the position of the guide block, so that the control is more accurate; the position of the first pressurizing roller is unchanged, the moving distance of the second pressurizing roller to the first pressurizing roller is limited through the movement of the guide block, when the device works, the guide block is moved to a proper position, then the ejector block is driven by the sixth driving piece to move towards the direction of the guide block until the ejector block abuts against the guide block, the operation is simple, and the stability is high; the inclination angle of the inclined plane of the guide block facing the top block is set, for example, the larger the inclination angle is, the larger the change of the distance between the contact point and the first pressurizing roller caused by the movement of the guide block is, the larger the pressure control range of the second pressurizing roller is but the lower the control precision is; the smaller the inclination angle is, the smaller the change of the movement of the guide block to the distance between the contact point and the first press roller is, and the smaller the pressure control range but the higher the control accuracy to the second press roller is.

Compared with the prior art, the invention has the outstanding and beneficial technical effects that:

the laser head is controlled through multiple shafts, so that the control precision is higher; make laser and reflective membrane form the inclination on vertical through rotatable laser head, make laser and reflective membrane form the inclination on horizontal through rotatable print platform to realize anti-counterfeit marking's full angle printing, the suitability is higher, can satisfy harsh production needs.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the mounting structure of the printing support and the printing module of the present invention.

Fig. 3 is a schematic view of a connection structure of the deviation-adjusting base and the deviation-adjusting bracket of the invention.

Fig. 4 is a schematic view of the structure of the tensioning mechanism of the present invention.

Fig. 5 is a schematic view of the construction of the lower end of the feeder mount of the present invention.

Fig. 6 is a schematic diagram of the overall structure of the printing platform of the present invention.

Fig. 7 is a cross-sectional view of the printing deck of the present invention.

Fig. 8 is a schematic view of the construction of the pointer and angular scale of the present invention.

Fig. 9 is a schematic view of a connection structure of a helical gear and a driving rod according to the present invention.

Fig. 10 is a schematic view of the pressing mechanism of the present invention.

Fig. 11 is a plan view of the pressing mechanism of the present invention.

In the figure, 10, a frame; 11. a feed cylinder; 12. a feeding mounting frame; 121. a roller; 122. a limiting plate; 123. a limiting column; 124. a fourth drive; 13. a material rolling barrel; 2. a printing platform; 21. a table top; 211. an air suction hole; 22. an air suction pipeline; 23. a suction fan; 24. a rotating shaft; 25. a frame body; 26. a helical gear; 27. a drive rod; 271. oblique threads; 272. a bearing seat; 273. a connecting rod; 274. a seventh driving member; 28. a pointer; 29. an angle scale; 3. a printing support; 31. a lifting platform; 311. a second slider; 312. a feed screw nut; 32. a mounting seat; 321. a second slide rail; 322. a second rack; 323. a third slide rail; 324. a transverse screw rod; 325. a second handle; 33. mounting a plate; 331. a first slide rail; 332. a first rack; 333. a second gear; 334. a second driving member; 34. a transverse plate; 341. locking; 342. a first gear; 343. a first handle; 35. a vertical plate; 351. positioning holes; 36. a laser head; 361. a connecting shaft; 362. a first slider; 4. a deviation adjusting mechanism; 41. a deviation adjusting base; 411. a first deviation adjusting roller; 42. a deviation adjusting bracket; 421. a second deviation adjusting roller; 43. adjusting an offset axis; 44. a fifth driving member; 45. a second offset sensor; 46. a first offset sensor; 47. a connecting plate; 48. a guide bar; 49. a guide plate; 491. a guide groove; 5. a tensioning mechanism; 51. a support plate; 52. hinging a shaft; 53. a first tension roller; 54. a second tensioning roller; 55. a third tensioning roller; 56. a third driving member; 57. a pressure detection roller; 58. a pressure sensor; 6. a pressurizing mechanism; 61. a first pressure roller; 62. a second pressurized roller; 63. a roller fixing frame; 64. a mounting frame; 65. a top block; 66. a guide block; 67. and a sixth driving member.

Detailed Description

The invention is further described in the following with reference to specific embodiments in conjunction with the accompanying drawings, see fig. 1:

this printing device of reflective membrane false proof mark includes a feed cylinder 11 that sets gradually from the front to the back, frame 10 and a winding up section of thick bamboo 13, the middle part of frame 10 is equipped with print platform 2, print platform 2's front and back bilateral symmetry is equipped with printing support 3, be equipped with tuningout mechanism 4 and straining device 5 on the frame 10 between printing support 3 and the feed cylinder 11, be equipped with straining device 5 on the frame 10 between printing support 3 and the winding up section of thick bamboo 13, be equipped with the elevating platform 31 that can follow vertical direction and reciprocate on the printing support 3, be equipped with the mount pad 32 that can follow lateral shifting on the elevating platform 31, be equipped with the mounting panel 33 that can follow longitudinal movement on the mount pad 32, be equipped with the printing module group that is used for printing false proof mark along longitudinal separation on the. According to the invention, the vertical position of the printing module is controlled by controlling the up-and-down movement of the lifting table 31, the transverse position of the printing module is controlled by controlling the transversely moving mounting seat 32, and the longitudinal position of the printing module is controlled by controlling the longitudinally moving mounting plate 33, so that the printing module can reach any required position, the control is more accurate, the printing requirements of various anti-counterfeiting marks of reflective films are met, and the adaptability is higher.

As shown in fig. 2, the printing module comprises a transverse plate 34, a vertical plate 35 and a laser head 36, wherein the inner end of the transverse plate 34 is vertically fixed with the lower end of the vertical plate 35, a first slide rail 331 is longitudinally arranged on the upper side surface of the mounting plate 33, the transverse plate 34 is slidably connected with the first slide rail 331, a lock catch 341 capable of fixing the transverse plate 34 and the mounting plate 33 is arranged on the outer end of the transverse plate 34, the laser head 36 is connected with the inner side surface of the vertical plate 35 through a transversely arranged connecting shaft 361, and the laser head 36 can rotate around the connecting shaft. Above-mentioned rotatable laser head 36 can make the laser beam form the inclination with the reflective membrane on vertical, is convenient for print the false proof mark, for example openly see not showing, but the false proof mark that vertical slope just can be seen to but pass through diaphragm 34 and mounting panel 33's sliding connection cooperation hasp 341, can fix each laser head 36 in the position that corresponds, be favorable to improving stability.

Furthermore, two first slide rails 331 are symmetrically arranged on the mounting plate 33 in a front-back manner, a parallel first rack 332 is arranged between the two first slide rails 331, a first gear 342 engaged with the first rack 332 is arranged on the lower side surface of the transverse plate 34, and a first handle 343 for driving the first gear 342 to rotate is arranged on the upper side of the transverse plate 34; the vertical plate 35 is provided with positioning holes 351 at intervals along the vertical direction, the inner end of the connecting shaft 361 is fixed with the first slider 362, the first slider 362 is fixedly connected with the positioning holes 351 through fasteners, and the height of the laser head 36 in the vertical direction can be adjusted by matching the first slider 362 with the positioning holes 351, so that the printing device has better adaptability; the upper surface of the mounting seat 32 is longitudinally provided with two second sliding rails 321 which are symmetrical front and back, a parallel second rack 322 is arranged between the two second sliding rails 321, a second gear 333 which is meshed with the second rack 322 is rotatably arranged on the lower end surface of the mounting plate 33, and a second driving piece 334 which drives the second gear 333 to rotate is arranged on the upper end surface of the mounting plate 33; a third slide rail 323 and a transverse screw rod 324 are transversely arranged on the lower side surface of the mounting seat 32, a second slide block 311 matched with the third slide rail 323 and a screw rod nut 312 matched with the screw rod are fixed on the lifting platform 31, and a second handle 325 for driving the transverse screw rod 324 to rotate is arranged at one end of the transverse screw rod 324.

As shown in fig. 4, the tensioning mechanism 5 includes two support plates 51 arranged in parallel, one end of each support plate 51 is rotatably connected to the frame 10 through a hinge shaft 52 penetrating through the two support plates 51, the other end of each support plate 51 is provided with a first tensioning roller 53 and a second tensioning roller 54 at intervals along the length direction of the support plate 51, a third tensioning roller 55 rotatably connected to the frame 10 is arranged above the other end of each support plate 51, the third tensioning roller 55 is located between the first tensioning roller 53 and the second tensioning roller 54 in the transverse direction, and the other ends of the two support plates 51 rotate downwards around the hinge shaft 52 to tension the reflective film; a third driving member 56 capable of driving the other end of the supporting plate 51 to rotate up and down around the hinge shaft 52 is arranged on the frame 10; the front end and the rear end of the frame 10 are respectively provided with a pressure detection roller 57, the left end and the right end of the pressure detection roller 57 are rotatably connected with a pressure sensor 58 fixed on the frame 10, and the pressure applied to the pressure detection roller 57 by the reflective film faces the pressure sensor 58. This straining device 5 rotates around articulated shaft 52 through control backup pad 51 and controls the tensioning degree of reflective membrane to pressure measurement roller 57 through setting up around frame 10 feeds back and adjusts straining device 5 in real time, makes whole printing in-process reflective membrane be in suitable rate of tension all the time, is favorable to improving the stability and the security of printing.

As shown in fig. 1 and 5, the feeding barrel 11 is rotatably disposed on the feeding mounting frame 12, a first deviation adjusting sensor 46 is disposed between the feeding mounting frame 12 and the front end of the rack 10, rollers 121 are disposed at four corners of the bottom of the feeding mounting frame 12, a limiting plate 122 engaged with the rollers 121 is disposed at a lower side of the rollers 121, limiting posts 123 are fixed at left and right sides of the limiting plate 122, and a fourth driving member 124 for driving the feeding mounting frame 12 to roll left and right is disposed at a middle portion of the bottom of the feeding mounting frame 12. The fourth driving member 124 is a cylinder or a hydraulic cylinder; the first deviation sensor 46 detects the position of the reflective film just coming out of the feeding barrel 11, and then drives the feeding mounting frame 12 to move along the longitudinal direction through the fourth driving member 124, so as to adjust the position of the feeding barrel 11 and avoid the position deviation of the reflective film coming out of the feeding barrel 11.

As shown in fig. 3, an offset adjusting base 41 is arranged on the frame 10 between the printing support 3 and the feeding barrel 11, first offset adjusting rollers 411 are arranged on the front and rear sides of the upper end surface of the offset adjusting base 41, an offset adjusting support 42 is arranged above the offset adjusting base 41, second offset adjusting rollers 421 are arranged on the front and rear sides of the offset adjusting support 42, an offset adjusting shaft 43 which is vertically arranged is connected between the offset adjusting support 42 and the offset adjusting base 41, a fifth driving member 44 which can drive the offset adjusting support 42 to rotate around the offset adjusting shaft 43 is arranged on the offset adjusting base 41, and a second offset adjusting sensor 45 is arranged between the first offset adjusting rollers 411 and the second offset adjusting rollers 421. The position of the reflective film can be adjusted by driving the deviation adjusting bracket 42 to rotate around the deviation adjusting shaft 43 through the fifth driving piece 44, so that the purpose of deviation adjustment is realized; when the fifth driving element 44 drives the right end of the deviation adjusting bracket 42 to rotate forward, the reflective film will deviate towards the right side; when the fifth driving member 44 drives the right end of the offset bracket 42 to rotate backward, the reflective film will be offset to the left.

Furthermore, the fifth driving member 44 is a hydraulic cylinder, a main body of the fifth driving member 44 is horizontally and rotatably disposed in the middle of the deviation adjusting base 41, a piston rod of the fifth driving member 44 is connected to the left side of the rear end of the deviation adjusting bracket 42, and the deviation adjusting shaft 43 is disposed on the left side of the front end of the deviation adjusting bracket 42; an L-shaped connecting plate 47 is fixed on the right side of the rear end of the deviation adjusting support 42, a guide rod 48 is fixed on the vertical portion of the connecting plate 47, a guide plate 49 is fixed on the deviation adjusting base 41, an arc-shaped guide groove 491 is arranged on the side wall of the guide plate 49, the center of the guide groove 491 is located on the central axis of the deviation adjusting shaft 43, and the guide rod 48 is arranged in the guide groove 491 and can slide along the guide groove 491.

As shown in fig. 6-8, suction holes 211 are uniformly distributed on a table top 21 at the upper end of the printing platform 2, each suction hole 211 is connected with a suction fan 23 through a suction duct 22, the left and right ends of the printing platform 2 are rotatably connected with a frame body 25 through a coaxially arranged rotating shaft 24, a coaxial helical gear 26 is fixed on one rotating shaft 24, a driving rod 27 is rotatably fixed on the frame body 25, a helical thread 271 engaged with the helical gear 26 is formed on the driving rod 27, and the range of the helical angle β of the helical gear 26 is 2 ° to 10 °. According to the invention, the rotation of the printing platform 2 can enable the laser emitted by the laser head 36 and the reflective film to form an inclination angle in the transverse direction, and the inclination angles of the laser head 36 and the reflective film can be controlled by matching the rotatable laser head 36, for example, the printed anti-counterfeiting mark can be seen only when the anti-counterfeiting mark is at the left back and forms a 45-degree included angle with the reflective film, and the reflective film can be printed for multiple times by laser beams at multiple angles, so that multiple anti-counterfeiting marks are realized, the printing is more stable, and the applicability is higher.

Further, bearings are sleeved at two end portions of the driving rod 27, each bearing is fixedly connected with the frame body 25 through a bearing seat 272, and an inclined thread 271 is formed on the driving rod 27 between the two bearings; one end of the driving rod 27 extends out from the corresponding bearing and is fixedly connected with one end of the connecting rod 273, and the other end of the connecting rod 273 is connected with a seventh driving member 274; the outer end of the rotating shaft 24 fixedly connected with the helical gear 26 extends out of the frame body 25, the outer end of the rotating shaft 24 is fixed with a pointer 28 capable of rotating along with the rotating shaft 24, the outer side surface of the frame body 25 is fixed with an angle scale 29 matched with the pointer 28, and the angle scale 29 and the pointer 28 are matched to mark the inclination angle of the table board 21 relative to the horizontal plane. The printing platform 2 drives the helical gear 26 to rotate in a manner that the helical gear 26 is meshed with the helical thread 271, so that the printing platform 2 is driven to rotate, and because the angle beta of the helical gear 26 is between 2 degrees and 10 degrees, the helical gear 26 can only be driven to rotate by a small angle when the driving rod 27 rotates for one circle, so that the control precision of the printing platform 2 is improved; meanwhile, the printing platform 2 has a driving force for recovering the horizontal direction under the action of gravity, the driving force acts on the helical thread 271 of the driving rod 27 through the helical gear 26, and because the angle beta is small, the force capable of enabling the driving rod 27 to move in the reverse direction in the driving force is far smaller than the pressure acting on the driving rod 27 in the axial direction, so that the friction force between the driving rod 27 and the helical gear 26 is larger than the acting force for enabling the driving rod 27 to rotate in the reverse direction, the stability of the printing platform 2 after rotation is ensured, and the automatic reverse rotation of the printing platform 2 is avoided.

As shown in fig. 10 and 11, at least one pressurizing mechanism 6 is arranged on the frame 10, the pressurizing mechanism 6 includes a first pressurizing roller 61 and a second pressurizing roller 62, the first pressurizing roller 61 is fixedly connected with the frame 10 through a roller fixing frame 63, an installation frame 64 and an ejector block 65 are arranged on one side of the roller fixing frame 63, the installation frame 64 is located between the roller fixing frame 63 and the ejector block 65, a guide block 66 matched with the ejector block 65 is movably arranged on one side of the installation frame 64 facing the ejector block 65, a sixth driving member 67 for driving the ejector block 65 to be close to or far away from the guide block 66 is arranged on one side of the ejector block 65 far away from the guide block 66, and along with the movement of the guide block 66, the contact point between the ejector block 65 and the guide block 66 and the distance L between the roller. The pressurizing mechanisms 6 are symmetrically arranged at two ends of the first pressurizing roller 61 and the second pressurizing roller 62, and the sixth driving pieces 67 at two ends of the first pressurizing roller 61 and the second pressurizing roller 62 work synchronously; then, the top block 65 is matched with the guide block 66, the distance between the first pressurizing roller 61 and the second pressurizing roller 62 is limited to control the pressure applied to the reflective film, and the position of the guide block 66 is controlled to control the pressure, so that the control is more accurate; the position of the first pressurizing roller 61 is unchanged, the moving distance of the second pressurizing roller 62 to the first pressurizing roller 61 is limited through the movement of the guide block 66, when the device works, the guide block 66 is moved to a proper position, then the sixth driving piece 67 drives the ejector block 65 to move towards the guide block 66 until the ejector block 65 abuts against the guide block 66, the operation is simple, and the stability is high; and by setting the inclination angle of the inclined surface of the guide block 66 facing the top block 65, for example, the larger the inclination angle is, the larger the change of the distance between the contact point and the first pressure roller 61 by the movement of the guide block 66 is, the larger the pressure control range for the second pressure roller 62 is but the control accuracy becomes a little lower; the smaller the inclination angle, the smaller the change of the distance between the contact point and the first pressure roller 61 by the movement of the guide block 66, the smaller the pressure control range for the second pressure roller 62 but the higher the control accuracy.

The laser head 36 is controlled through multiple shafts, so that the control precision is higher; make laser and reflective membrane form the inclination on vertical through rotatable laser head 36, make laser and reflective membrane form the inclination on horizontal through rotatable print platform 2 to realize anti-counterfeit marking's full angle printing, the suitability is higher, can satisfy harsh production needs.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.