CN212484063U

CN212484063U - Printing-down machine

Info

Publication number: CN212484063U
Application number: CN202021682648.9U
Authority: CN
Inventors: 万鹏
Original assignee: Tianjin Xunjie Printing Co ltd
Current assignee: Tianjin Xunjie Printing Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-02-05
Anticipated expiration: 2030-08-13

Abstract

The utility model discloses a printing machine of printing down, which comprises an outer shell, an apron, a frame, the lifter plate, the apparatus further comprises a rotating shaft, be equipped with first screw thread portion along central symmetry in the pivot, install first swivel nut on the first screw thread portion, install the support frame on the top outer wall of first swivel nut, the fluorescent tube mounting bracket is installed on the top of support frame, install the fluorescent tube on the fluorescent tube mounting bracket, first bevel gear is installed to the middle part symmetry of pivot, the bottom center fixed mounting of lifter plate has the motor frame, install first motor on the motor frame, and semi-circular bevel gear is installed to the motor shaft tip of first motor, semi-circular bevel gear can only mesh with one of them first bevel gear mutually with the same time. Has the advantages that: the utility model discloses can realize that the fluorescent tube makes a round trip to reciprocate in the frame bottom and shine, improve the efficiency of printing down the version, can also change the distance between fluorescent tube and the frame, make the fluorescent tube reach the biggest effect of shining and shine to the printing plate of difference, and be unlikely to damage the printing plate.

Description

Printing-down machine

Technical Field

The utility model relates to a printing field particularly, relates to a printing down machine.

Background

The plate burning machine is a contact exposure imaging equipment for making printing plate, and utilizes pressure to make original plate and photosensitive plate tightly fit together so as to accurately burn the image on the original plate on the photosensitive plate by means of photochemical reaction.

The plate copying machine occupies an extremely important position in prepress equipment, the quality of the performance of the plate copying machine directly influences the quality of plate making, however, lamp tubes of the existing plate copying machine are fixed, so that the printing plates can only irradiate towards the fixed direction when the plate copying operation is carried out, the condition of uneven overall irradiation exists, the light receiving rate of the printing plates is different because the different specifications of the printing plates are not used, and the distance between the lamp tubes and the printing plates cannot be adjusted by the existing plate copying machine.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel blackboard eraser to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a printing and printing-down machine comprises a shell, wherein the shell is hollow inside and is provided with an opening at the top, a cover plate is arranged at the opening at the top end of the shell, a frame is arranged at the top inside the shell, a lifting plate is arranged inside the shell and is arranged under the frame, fixed blocks are arranged at the top end of the lifting plate along the two sides of the length direction of the lifting plate, a rotating shaft is arranged between the fixed blocks at the two sides, first threaded parts are symmetrically arranged on the rotating shaft along the center, the directions of the threads on the first threaded parts at the two sides are opposite, first thread sleeves are arranged on the first threaded parts, a support frame is arranged on the outer wall at the top end of each first thread sleeve and is vertical to the rotating shaft, lamp tube mounting frames are arranged at the top end of each support frame along the two sides of the length direction of the support frame, lamp tubes are arranged on the lamp tube mounting frames, first bevel gears, a motor frame is fixedly mounted at the center of the bottom of the lifting plate, a first motor is mounted on the motor frame, a motor shaft of the first motor penetrates through the center of the lifting plate, a semi-circular bevel gear is mounted at the end of the motor shaft of the first motor, and the semi-circular bevel gear can only be meshed with one first bevel gear at the same time.

Furthermore, a reflector is also arranged on the support frame and is arranged between the lamp tube and the support frame.

Furthermore, a through hole is formed in the center of the lifting plate, a motor shaft of the first motor penetrates through the through hole, and a motor sleeve is further arranged outside the first motor.

Furthermore, the guide slot has been seted up at the top of lifter plate, and the guide slot is located first screw thread portion under, installs the guide block on the bottom outer wall of first swivel nut, and the bottom tip of guide block slides and locates in the guide slot.

Further, the inside regulating spindle that still is equipped with of shell, the regulating spindle is located the lifter plate under, the regulating spindle is parallel with the lifter plate, be equipped with two second screw thread portions on the regulating spindle, two second screw thread portions set up along the central symmetry of regulating spindle, the screw thread opposite direction in two second screw thread portions sets up, install the second swivel nut on the second screw thread portion, the movable block is installed to the one end tip that the regulating spindle center was kept away from to the second swivel nut, first articulated seat is installed to the top tip of movable block, two articulated seats of second are installed along the center in the bottom of lifter plate, and the line between the articulated seat of two seconds parallels with the length direction of regulating spindle, be connected through the connecting rod between the articulated seat of first articulated seat and the second that are close to each other.

Furthermore, the two ends of the rotating shaft are rotatably installed on the fixing blocks on the two sides through the first bearing seats, and the two ends of the adjusting shaft are rotatably installed on the two opposite side walls in the shell through the second bearing seats.

Furthermore, a second bevel gear is fixedly mounted in the middle of the adjusting shaft, a motor base is fixedly mounted in the center of the bottom wall of the shell, a second motor is mounted at the top of the motor base, a speed reducer is linked to the top of the second motor, a driving shaft extends out of the top end of the speed reducer, a third bevel gear is mounted at the end of the top end of the driving shaft, and the third bevel gear is meshed with the second bevel gear.

Furthermore, the bottom end part of the second threaded sleeve is fixedly provided with an extension block, a guide hole is formed in the extension block, a guide rod penetrates through the guide hole, one end of the guide rod is fixedly arranged on the inner side wall of the shell, the guide rod is parallel to the adjusting shaft, and the guide rod is arranged under the adjusting shaft.

Furthermore, the sliding grooves are symmetrically formed in the inner side wall of the shell, sliding blocks are fixedly mounted at the end portions of the two ends of the lifting plate, and one end, far away from the lifting plate, of each sliding block is slidably arranged in each sliding groove.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model has the advantages of simple and reasonable structure, it is swift convenient to use, because semi-circular bevel gear can only mesh with one of them first bevel gear mutually at the same time, consequently when semi-circular bevel gear meshes with the first bevel gear of difference when rotating mutually, turning to of its pivot that drives is opposite, and when the pivot rotates, first screw thread portion becomes and drives first swivel nut and realize removing, first swivel nut drives the fluorescent tube through the support frame again and realizes removing, alright make a round trip to reciprocate shining in the frame bottom in order to realize the fluorescent tube, improve the efficiency of printing down, can also change the distance between fluorescent tube and the frame, make the fluorescent tube reach the biggest effect of shining to the printing plate of difference, and be unlikely to damage the printing plate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a printing-down machine according to an embodiment of the present invention;

FIG. 2 is a schematic view of the internal structure of a housing of a printing-down machine according to an embodiment of the present invention;

FIG. 3 is a schematic view of a reflector structure in a printing-down machine according to an embodiment of the present invention;

fig. 4 is a top view of the connection between the semicircular bevel gear and the first bevel gear in the printing-down machine according to the embodiment of the present invention.

Reference numerals:

1. a housing; 2. a cover plate; 3. a frame; 4. a lifting plate; 5. a fixed block; 6. a rotating shaft; 7. a first bearing housing; 8. a first threaded portion; 9. a first threaded sleeve; 10. a support frame; 11. a lamp tube mounting bracket; 12. a lamp tube; 13. a reflector; 14. a first bevel gear; 15. a motor frame; 16. a first motor; 17. a semicircular bevel gear; 18. a through hole; 19. a motor cover; 20. a guide groove; 21. a guide block; 22. an adjustment shaft; 23. a second bearing housing; 24. a second threaded portion; 25. a second thread insert; 26. a moving block; 27. a first hinge mount; 28. a second hinge mount; 29. a connecting rod; 30. a second bevel gear; 31. a motor base; 32. a second motor; 33. a speed reducer; 34. a drive shaft; 35. a third bevel gear; 36. an extension block; 37. a guide hole; 38. a guide bar; 39. a chute; 40. a slider; 41. a power source; 42. a control panel.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

referring to fig. 1-4, a printing plate-burning machine according to an embodiment of the present invention includes a housing 1, the housing 1 is hollow inside and has an open top, a cover plate 2 is disposed at the top opening of the housing 1, a frame 3 is disposed at the top inside the housing 1, the frame 3 is used for supporting a printing plate to be dried, a lifting plate 4 is disposed inside the housing 1, the lifting plate 4 is disposed under the frame 3, fixing blocks 5 are mounted at both ends of the top end of the lifting plate 4 along the length direction thereof, a rotating shaft 6 is disposed between the fixing blocks 5 at both sides, first screw thread portions 8 are symmetrically disposed on the rotating shaft 6 along the center, the screw thread directions on the first screw thread portions 8 at both sides are opposite, a first screw sleeve 9 is mounted on the first screw thread portion 8, a support frame 10 is mounted on the outer wall of the top end of the first screw sleeve 9, the support frame 10 is perpendicular to the rotating shaft 6, lamp tube mounting frames 11 are mounted at both sides of, the lamp tube mounting frame 11 is provided with the lamp tube 12, the middle part of the rotating shaft 6 is provided with two first bevel gears 14, the two first bevel gears 14 are symmetrically arranged along the center of the rotating shaft 6, the center of the bottom of the lifting plate 4 is fixedly provided with the motor frame 15, the motor frame 15 is provided with the first motor 16, the motor shaft of the first motor 16 passes through the center of the lifting plate 4, the end part of the motor shaft of the first motor 16 is provided with the semicircular bevel gear 17, the semicircular bevel gear 17 can only be meshed with one of the first bevel gears 14 at the same time, when the first motor 16 is started, the first motor 16 can drive the semicircular bevel gear 17 to rotate, because the semicircular bevel gear 17 can only be meshed with one of the first bevel gears 14 at the same time, when the semicircular bevel gear 17 is meshed with different first bevel gears 14 to rotate, the rotating direction of the rotating shaft 6 driven by the semicircular bevel gear 17 is, when the rotating shaft 6 rotates, the first thread part 8 drives the first threaded sleeve 9 to move, and the first threaded sleeve 9 drives the lamp tube 12 to move through the support frame 10, so that the lamp tube 12 can be irradiated in a reciprocating manner at the bottom of the frame 3, and the printing efficiency is improved.

Specifically, still install reflector panel 13 on the support frame 10, reflector panel 13 locates between fluorescent tube 12 and support frame 10, and reflector panel 13 reflects the light of fluorescent tube 12 bottom to frame 3 upper portion, improves light utilization ratio.

Specifically, a through hole 18 is formed in the center of the lifting plate 4, a motor shaft of the first motor 16 passes through the through hole 18, and a motor sleeve 19 is further arranged outside the first motor 16.

Specifically, guide slot 20 has been seted up at the top of lifter plate 4, and guide slot 20 locates under first screw portion 8, installs guide block 21 on the bottom outer wall of first swivel nut 9, and the bottom tip of guide block 21 slides and locates in guide slot 20, and guide block 21 can indirectly bear the weight of support frame 10 and fluorescent tube 12, reduces pivot 6 atress degree.

Specifically, the housing 1 is further provided with an adjusting shaft 22 inside, the adjusting shaft 22 is disposed right below the lifting plate 4, the adjusting shaft 22 is parallel to the lifting plate 4, the adjusting shaft 22 is provided with two second threaded portions 24, the two second threaded portions 24 are symmetrically disposed along the center of the adjusting shaft 22, the threaded directions of the two second threaded portions 24 are opposite, the second threaded portions 24 are provided with second threaded sleeves 25, one end portions, away from the center of the adjusting shaft 22, of the second threaded sleeves 25 are provided with a moving block 26, the top end portion of the moving block 26 is provided with a first hinge base 27, the bottom of the lifting plate 4 is provided with two second hinge bases 28 along the center, a connecting line between the two second hinge bases 28 is parallel to the length direction of the adjusting shaft 22, the first hinge base 27 and the second hinge base 28 which are close to each other are connected through a connecting rod 29, when the adjusting shaft 22 rotates, the adjusting shaft 22 drives the second threaded sleeves 25 to move through the second threaded portions 24, the second screw sleeve 25 drives the lifting plate 4 to lift inside the housing 1 through the first hinge seat 27, the connecting rod 29 and the second hinge seat 28, and then the distance between the lamp tube 12 and the frame 3 is changed, so that the lamp tube 12 achieves the maximum exposure effect for different printing plates without damaging the printing plates.

Specifically, two ends of the rotating shaft 6 are rotatably mounted on the fixing blocks 5 at two sides through the first bearing seats 7, and two ends of the adjusting shaft 22 are rotatably mounted on two opposite side walls inside the housing 1 through the second bearing seats 23.

Specifically, the middle part fixed mounting of regulating shaft 22 has second bevel gear 30, the inside diapire center fixed mounting of shell 1 has motor cabinet 31, second motor 32 is installed at the top of motor cabinet 31, the top linkage of second motor 32 has reduction gear 33, the top of reduction gear 33 stretches out there is drive shaft 34, third bevel gear 35 is installed to the top tip of drive shaft 34, third bevel gear 35 meshes with second bevel gear 30 mutually, it is rotatory to drive third bevel gear 35 indirectly through second motor 32, third bevel gear 35 is driving the regulating shaft 22 rotation through second bevel gear 30, the realization is to the regulation of lifter plate 4.

Specifically, an extension block 36 is fixedly mounted at the bottom end of the second threaded sleeve 25, a guide hole 37 is formed in the extension block 36, a guide rod 38 penetrates through the guide hole 37, one end of the guide rod 38 is fixedly mounted on the inner side wall of the housing 1, the guide rod 38 is parallel to the adjusting shaft 22, and the guide rod 38 is arranged right below the adjusting shaft 22.

Specifically, the sliding grooves 39 are symmetrically formed in the inner side wall of the housing 1, the end portions of the two ends of the lifting plate 4 are fixedly provided with sliding blocks 40, and one end, far away from the lifting plate 4, of each sliding block 40 is slidably arranged in the sliding groove 39.

Specifically, a power supply 41 is installed at the inner bottom side of the housing 1, the power supply 41 is a charging power supply, and a control panel 42 is installed on the outer side wall of the housing 1.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the first motor 16 is started, when the first motor 16 is started, the first motor 16 drives the semi-circular bevel gears 17 to rotate, because the semi-circular bevel gears 17 can only be meshed with one of the first bevel gears 14 at the same time, when the semi-circular bevel gears 17 are meshed with different first bevel gears 14 to rotate, the rotating directions of the rotating shafts 6 driven by the semi-circular bevel gears 17 are opposite, when the rotating shafts 6 rotate, the first thread parts 8 can drive the first threaded sleeves 9 to move, the first threaded sleeves 9 drive the lamp tubes 12 to move through the support frame 10, so that the lamp tubes 12 can irradiate back and forth at the bottom of the frame 3, the plate printing efficiency is improved, when the second motor 32 is started, the second motor 32 can indirectly drive the third bevel gear 35 to rotate, the third bevel gear 35 drives the adjusting shaft 22 to rotate through the second bevel gear 30, and when the adjusting shaft 22 rotates, the adjusting shaft 22 drives the second threaded sleeve 25 to move through the second threaded portion 24, the second threaded sleeve 25 drives the lifting plate 4 to lift inside the housing 1 through the first hinged seat 27, the connecting rod 29 and the second hinged seat 28, and then the distance between the lamp tube 12 and the frame 3 is changed, so that the lamp tube 12 can achieve the maximum exposure effect for different printing plates without damaging the printing plates.

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

Claims

1. The printing and printing-down machine comprises a shell (1), wherein the shell (1) is internally hollow and is provided with a top opening, a cover plate (2) is arranged at the top opening of the shell (1), and a frame (3) is installed at the top inside the shell (1), and is characterized in that a lifting plate (4) is arranged inside the shell (1), the lifting plate (4) is arranged under the frame (3), fixed blocks (5) are installed at the top end of the lifting plate (4) along the two sides of the length direction of the lifting plate, a rotating shaft (6) is arranged between the fixed blocks (5) at the two sides, first thread parts (8) are symmetrically arranged on the rotating shaft (6) along the center, the thread directions on the first thread parts (8) at the two sides are opposite, a first thread sleeve (9) is installed on the first thread part (8), a support frame (10) is installed on the outer wall of the top end of the first thread sleeve (9), and the support frame (10) is, fluorescent tube mounting bracket (11) are all installed along its length direction's both sides on the top of support frame (10), install fluorescent tube (12) on fluorescent tube mounting bracket (11), the mid-mounting of pivot (6) has first bevel gear (14), first bevel gear (14) are equipped with two, two first bevel gear (14) set up along the centrosymmetry of pivot (6), the bottom center fixed mounting of lifter plate (4) has motor frame (15), install first motor (16) on motor frame (15), the motor shaft of first motor (16) passes the center setting of lifter plate (4), and semi-circular bevel gear (17) are installed to the motor shaft tip of first motor (16), semi-circular bevel gear (17) can only mesh with one of them first bevel gear (14) mutually at the same time.

2. A printing plate-down machine according to claim 1, characterized in that a reflector plate (13) is further mounted on the support frame (10), the reflector plate (13) being disposed between the lamp tube (12) and the support frame (10).

3. A printing and printing-down machine according to claim 2, characterized in that the lifting plate (4) is provided with a through hole (18) in the center, the shaft of the first motor (16) is arranged through the through hole (18), and the first motor (16) is provided with a motor sleeve (19) on the outside.

4. The printing and copying machine according to claim 3, wherein the top of the lifting plate (4) is provided with a guide groove (20), the guide groove (20) is arranged right below the first threaded portion (8), the outer wall of the bottom end of the first threaded sleeve (9) is provided with a guide block (21), and the end portion of the bottom end of the guide block (21) is slidably arranged in the guide groove (20).

5. The printing and printing-down machine according to claim 4, characterized in that the housing (1) is further provided with an adjusting shaft (22), the adjusting shaft (22) is arranged under the lifting plate (4), the adjusting shaft (22) is parallel to the lifting plate (4), the adjusting shaft (22) is provided with two second threaded portions (24), the two second threaded portions (24) are symmetrically arranged along the center of the adjusting shaft (22), the threaded directions of the two second threaded portions (24) are opposite, the second threaded portions (24) are provided with second threaded sleeves (25), one end of each second threaded sleeve (25) far away from the center of the adjusting shaft (22) is provided with a movable block (26), the top end of each movable block (26) is provided with a first hinged seat (27), the bottom of the lifting plate (4) is provided with two second hinged seats (28) along the center, and a connecting line between the two second seats (28) is parallel to the length direction of the adjusting shaft (22), the first hinge seat (27) and the second hinge seat (28) which are close to each other are connected through a connecting rod (29).

6. A printing-down machine according to claim 5, characterized in that the two ends of the rotating shaft (6) are rotatably mounted on the fixed blocks (5) at both sides through first bearing blocks (7), and the two ends of the adjusting shaft (22) are rotatably mounted on the two opposite side walls inside the casing (1) through second bearing blocks (23).

7. The printing and printing-down machine according to claim 6, wherein the middle part of the adjusting shaft (22) is fixedly provided with a second bevel gear (30), the center of the inner bottom wall of the housing (1) is fixedly provided with a motor base (31), the top of the motor base (31) is provided with a second motor (32), the top of the second motor (32) is linked with a speed reducer (33), the top end of the speed reducer (33) extends out of a driving shaft (34), the top end part of the driving shaft (34) is provided with a third bevel gear (35), and the third bevel gear (35) is meshed with the second bevel gear (30).

8. The printing and copying machine according to claim 7, wherein an extension block (36) is fixedly mounted at the bottom end of the second threaded sleeve (25), a guide hole (37) is formed in the extension block (36), a guide rod (38) penetrates through the guide hole (37), one end of the guide rod (38) is fixedly mounted on the inner side wall of the housing (1), the guide rod (38) is parallel to the adjusting shaft (22), and the guide rod (38) is arranged right below the adjusting shaft (22).

9. The printing and printing-down machine according to claim 8, wherein the inner side wall of the housing (1) is symmetrically provided with sliding grooves (39), the end parts of the two ends of the lifting plate (4) are fixedly provided with sliding blocks (40), and one end of each sliding block (40) far away from the lifting plate (4) is slidably arranged in the sliding groove (39).