CN209888394U

CN209888394U - Multi-color printing machine

Info

Publication number: CN209888394U
Application number: CN201920481503.3U
Authority: CN
Inventors: 朱立军
Original assignee: Shaoxing Chenwei New Materials Technology Co Ltd
Current assignee: Shaoxing Chenwei New Materials Technology Co Ltd
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-01-03
Anticipated expiration: 2029-04-10

Abstract

The utility model relates to the technical field of printing equipment, in particular to a multicolor printing machine, which comprises a frame, wherein the frame is provided with a feeding device, a plurality of printing units and a winding device in sequence along the processing direction; the printing unit comprises a printing flower frame arranged on the rack, a fixing plate is arranged on the printing flower frame, a first groove is formed in the fixing plate, and an ink groove is placed in the first groove; a second groove is formed in the flower printing frame, a feeding roller is rotationally connected in the second groove, the lower end of the feeding roller is located in the ink groove, a first motor is arranged on the flower printing frame, a connecting shaft is arranged on an output shaft of the first motor, and the feeding roller is connected with the connecting shaft; and a scraper abutting against the feeding roller is arranged on the flower printing frame. The utility model discloses the first recess of seting up makes the ink groove can change to improve polychrome calico printing machine's application scope.

Description

Multi-color printing machine

Technical Field

The utility model belongs to the technical field of the technique of printing equipment and specifically relates to a polychrome calico printing machine is related to.

Background

The multicolor printing machine is equipment for printing ink on the PET film, so that the PET film is provided with patterns.

At present, a conventional multicolor printing machine comprises a frame, wherein a plurality of printing flower stands are arranged on the frame, ink grooves are undetachably connected to the printing flower stands, a feeding roller is rotatably connected to the ink grooves, and the upper end surfaces of the feeding roller are higher than the upper end surfaces of the ink grooves; the feeding roller is provided with a template; a scraper abutting against the feeding roller is fixedly connected to the frame; when the material loading roller rotated, in the template of material loading roller can be filled up to the printing ink in the ink tank, the scraper cleared up the material loading roller except that the place of template, prevents that the material loading roller when the stamp, and there is printing ink influence stamp in the place of other material loading rollers except that the template.

The above prior art solutions have the following drawbacks: when a multicolor printing machine is used for printing the PET film, colors required by different customers are different, so that the ink tank is required to be replaced; the ink tank in the multicolor printing machine is not detachable, so that the application range of the multicolor printing machine is lower.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art existence, the utility model aims to provide a polychrome calico printing machine, the first recess of seting up makes ink reservoir can change to improve polychrome calico printing machine's application scope.

The above object of the present invention is achieved by the following technical solutions:

a multicolor printing machine comprises a frame, wherein the frame is sequentially provided with a feeding device, a plurality of printing units and a winding device along a processing direction; the printing unit comprises a printing flower frame arranged on the rack, a fixing plate is arranged on the printing flower frame, a first groove is formed in the fixing plate, and an ink groove is placed in the first groove; a second groove is formed in the flower printing frame, a feeding roller is rotationally connected in the second groove, the lower end of the feeding roller is located in the ink groove, a first motor is arranged on the flower printing frame, a connecting shaft is arranged on an output shaft of the first motor, and the feeding roller is connected with the connecting shaft; and a scraper abutting against the feeding roller is arranged on the flower printing frame.

By adopting the technical scheme, the PET film is wound out of the feeding device, printed by the printing units and finally wound by the winding device; according to different requirements of customers on the pattern, ink tanks for containing ink with different colors are placed in the first groove, then the feeding roller is placed in the second groove, so that the feeding roller is connected with the connecting shaft on the first motor through a spline, and the lower end of the feeding roller is positioned in the ink tanks; cleaning the parts of the feeding roller except the template by a scraper, and then printing the PET film by a grinding plate on the feeding roller; the first groove is formed, so that the ink groove can be replaced, and the application range of the multicolor printing machine is widened.

The utility model discloses further set up to: the frame is provided with an adjusting mechanism, and the adjusting mechanism comprises a supporting plate which is arranged on the flower printing frame and is abutted against the ink groove; a sliding groove is formed in the flower printing frame, a first sliding block and a second sliding block are connected in the sliding groove in a sliding mode, a first connecting rod is hinged to the first sliding block, and one end, far away from the first sliding block, of the first connecting rod is hinged to the supporting plate; a second connecting rod is hinged to the second sliding block, and one end, far away from the second sliding block, of the second connecting rod is connected with the supporting plate; the printing flower shelf is provided with an adjusting assembly, and the first sliding block and the second sliding block are connected with the adjusting assembly.

By adopting the technical scheme, when the ink tank is to be placed in the first groove, the ink tank is enabled to abut against the supporting plate, then the adjusting assembly is started, the adjusting assembly can drive the first sliding block and the second sliding block to slide in the sliding groove, and the first sliding block drives the first connecting rod to move; the second slide block drives the second connecting rod to move, the supporting plate is driven to descend when the first connecting rod and the second connecting rod move, and the ink groove is driven to descend when the supporting plate descends, so that the shaking of the ink groove is reduced; the adjustment mechanism who sets up can reduce rocking of ink groove, can reduce the collision of ink groove and fixed plate simultaneously, reduces wearing and tearing.

The utility model discloses further set up to: the adjusting assembly comprises a first pneumatic cylinder arranged on the flower printing frame, a piston rod of the first pneumatic cylinder is provided with an adjusting rod, one end of the adjusting rod, far away from the first pneumatic cylinder, is provided with a third connecting rod and a fourth connecting rod, and one end of the third connecting rod, far away from the adjusting rod, is connected with the first sliding block; one end, far away from the adjusting rod, of the fourth connecting rod is connected with the second sliding block.

By adopting the technical scheme, the first pneumatic cylinder is started, the piston rod of the first pneumatic cylinder drives the adjusting rod to move, and the adjusting rod drives the third connecting rod and the fourth connecting rod to move; the third connecting rod drives the first sliding block to move in the sliding groove; the fourth connecting rod drives the second sliding block to move in the sliding groove; the first sliding block and the second sliding block can drive the supporting plate to move when sliding in the sliding groove; the adjusting component is simple in structure and convenient to operate, and therefore efficiency is improved.

The utility model discloses further set up to: the printing flower rack is provided with an adjusting mechanism, the adjusting mechanism comprises a second motor arranged on the printing flower rack, and an output shaft of the second motor is in key connection with a first gear; a rotating rod is arranged on the flower printing frame, and the scraper is arranged on the rotating rod; the rotating rod is connected with a second gear meshed with the first gear in a key mode.

Through adopting above-mentioned technical scheme, when needing to be changed ink groove and material loading roller, start the second motor, the output shaft of second motor drives first gear revolve, will rotate with first gear engagement's second gear, and the second gear drives the dwang and rotates, and the dwang drives the scraper motion, makes the scraper not contradict the material loading roller.

The utility model discloses further set up to: the printing flower shelf is provided with a tensioning assembly, the tensioning assembly comprises a connecting block hinged on the printing flower shelf, and a tensioning roller is rotatably connected to the connecting block; articulated on the stamp pad frame have the second pneumatic cylinder, the piston rod of second pneumatic cylinder with the connecting block is kept away from the one end of tensioning roller is articulated.

By adopting the technical scheme, when the film is conveyed on the printing frame, the second pneumatic cylinder is started, the piston rod of the second pneumatic cylinder drives the connecting block to rotate, the position of the tensioning roller can be driven to change when the connecting block rotates, and the film can be tensioned after the position of the tensioning roller is changed; the tensioning assembly who sets up can take up the membrane, prevents that the membrane from becoming lax when conveying on the stamp frame and influencing the stamp effect.

The utility model discloses further set up to: the printing frame is provided with an oven, and the oven is connected with an air outlet pipe.

Through adopting above-mentioned technical scheme, after the stamp of PET membrane was accomplished, need get into the oven, make the oven dry to the epimembranal printing ink of PET, printing ink can produce waste gas when drying, and these waste gases pass through the outlet duct and discharge.

The utility model discloses further set up to: and a support frame is arranged on the rack between every two adjacent printing units, and a support roller is rotatably connected to the support frame.

Through adopting above-mentioned technical scheme, set up the backing roll, carry out the tensioning to the membrane that is located between two adjacent stamp units, prevent that the membrane from dropping.

The utility model discloses further set up to: the winding device comprises a winding frame arranged on the rack, and a winding shaft is rotatably connected to the winding frame; a third motor is arranged on the winding frame, and an output shaft of the third motor is connected with the winding shaft; and the winding frame is rotatably connected with a guide roller.

Through adopting above-mentioned technical scheme, the back is accomplished at the stamp to the PET membrane, makes the PET membrane convolute earlier on the guide roll, winds on the rolling axle after that, starts the third motor, and the output shaft of third motor can drive the rolling and rotate to the PET membrane of quotation mark carries out the rolling.

To sum up, this send out utility model's beneficial technological effect does:

1. the ink groove can be replaced by the aid of the first groove, so that the application range of the multicolor printing machine is widened;

2. the tensioning assembly who sets up can take up the membrane, prevents that the membrane from becoming lax when conveying on the stamp frame and influencing the stamp effect.

Drawings

FIG. 1 is a schematic structural view of a medium-color printing machine according to the present invention;

FIG. 2 is a schematic structural diagram of a printing unit of the present invention;

fig. 3 is a schematic structural view of a printing unit embodying a tensioning assembly according to the present invention;

fig. 4 is a partially enlarged view of a in fig. 2, showing a schematic structural view of the adjustment mechanism.

Reference numerals: 1. a frame; 11. a support frame; 12. a support roller; 13. an ink tank; 14. a feeding roller; 15. a first motor; 16. a scraper; 2. a feeding device; 21. a feeding frame; 22. a film feeding roller; 3. a winding device; 31. a winding frame; 32. a winding shaft; 33. a third motor; 34. a guide roller; 4. a printing unit; 5. printing the flower frame; 51. a fixing plate; 511. a first groove; 52. a second groove; 53. a chute; 54. an oven; 55. an air outlet pipe; 56. flattening rollers; 6. an adjustment mechanism; 61. a first slider; 62. a second slider; 63. a first link; 64. a second link; 65. a support plate; 7. an adjustment assembly; 71. a first pneumatic cylinder; 72. adjusting a rod; 73. a third link; 74. a fourth link; 8. an adjustment mechanism; 81. a first gear; 82. a second gear; 83. a second motor; 84. rotating the rod; 9. a tension assembly; 91. connecting blocks; 92. a tension roller; 93. a second pneumatic cylinder.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Referring to fig. 1, the multicolor printing machine disclosed by the present invention comprises a frame 1, wherein the frame 1 is provided with a feeding device 2, a plurality of printing units 4 and a winding device 3 in sequence along the processing direction of the PET film; two supporting frames 11 are fixed on the frame 1 between two adjacent printing units 4, and supporting rollers 12 are rotatably connected on the supporting frames 11.

The feeding device 2 comprises a feeding frame 21 fixedly connected to the frame 1, and a film feeding roller 22 is rotatably connected to the feeding frame 21.

Referring to fig. 1, 2, 3 and 4, the printing unit 4 includes a printing frame 5 fixedly connected to the frame 1, a fixing plate 51 is fixedly connected to an inner side wall of the printing frame 5, a first groove 511 is formed in the fixing plate 51, and an ink tank 13 is disposed in the first groove 511; an adjusting mechanism 6 is arranged on the rack 1 below the fixed plate 51, a sliding groove 53 is formed in the inner side wall of the rack 1, the adjusting mechanism 6 comprises a supporting plate 65 arranged in the printing rack 5, and the supporting plate 65 is abutted to the bottom end of the ink groove 13; a first sliding block 61 and a second sliding block 62 are connected in the sliding groove 53 in a sliding manner, a first connecting rod 63 is hinged on the first sliding block 61, and one end, far away from the first sliding block 61, of the first connecting rod 63 is hinged at one end of the supporting plate 65; a second connecting rod 64 is hinged on the second sliding block 62, and the second connecting rod 64 is hinged at one end of the supporting plate 65 far away from the first connecting rod 63 and far away from the second sliding block 62; an adjusting assembly 7 is arranged on the flower printing frame 5, the adjusting assembly 7 comprises a first air cylinder 71 fixedly connected to the inner side wall of the flower printing frame 5, a piston rod of the first air cylinder 71 is connected with an adjusting rod 72, one end, far away from the first air cylinder 71, of the adjusting rod 72 is hinged to a third connecting rod 73 and a fourth connecting rod 74, and one end, far away from the adjusting rod 72, of the third connecting rod 73 is hinged to the first sliding block 61; the end of the fourth link 74 remote from the adjustment lever 72 is hinged to the second slider 62.

A second groove 52 is obliquely formed in the flower printing frame 5, and the feeding roller 14 is rotatably connected in the second groove 52; the outer side wall of the flower printing frame 5 is fixedly connected with a first motor 15, an output shaft of the first motor 15 is connected with a connecting shaft, and the connecting shaft is connected with the feeding roller 14 through a spline.

Referring to fig. 3, a tensioning assembly 9 is arranged on the flower printing frame 5 below the flattening roller 56, the tensioning assembly 9 comprises a connecting block 91 rotatably connected to the inner side wall of the flower printing frame 5, and one end of the connecting block 91 is rotatably connected to the tensioning roller 92; the printing flower stand 5 is hinged with a second pneumatic cylinder 93, and a piston rod of the second pneumatic cylinder 93 is hinged with one end, far away from the tensioning roller 92, of the connecting block 91.

Referring to fig. 2 and 4, an adjusting mechanism 8 is arranged on the flower printing frame 5 below the tension roller 92, the adjusting mechanism 8 comprises a rotating rod 84 rotatably connected to the flower printing frame 5, and a scraper 16 abutting against the feeding roller 14 is fixedly connected to the rotating rod 84; the second gear 82 is keyed to the rotating rod 84; a second motor 83 is fixedly connected to the inner side wall of the flower printing frame 5, and a first gear 81 engaged with the second gear 82 is keyed on an output shaft of the second motor 83.

An oven 54 is fixedly connected to the printing frame 5 above the feeding roller 14, and an air outlet pipe 55 is connected to the oven 54.

Referring to fig. 1, the winding device 3 includes a winding frame 31 fixedly connected to one end of the frame 1 far from the feeding frame 21, and one end of the winding frame 31 near the feeding frame 21 is rotatably connected with a guide roller 34; one end of the winding frame 31 far away from the guide roller 34 is rotatably connected with a winding shaft 32; the outer side wall of the winding frame 31 is fixedly connected with a third motor 33, and an output shaft of the third motor 33 is connected with a winding shaft 32.

The implementation principle of the embodiment is as follows: firstly, ink tanks 13 with different colors are placed in the first groove 511 according to the requirements of customers; the lower end of the ink tank 13 is abutted against the supporting plate 65, the first pneumatic cylinder 71 is started, and the piston rod of the first pneumatic cylinder 71 drives the adjusting rod 72 to move towards the direction close to the first pneumatic cylinder 71; the adjusting rod 72 drives the third connecting rod 73 and the fourth connecting rod 74 to move, the third connecting rod 73 drives the first sliding block 61 to move towards the direction close to the second sliding block 62, and the first connecting rod 63 on the first sliding block 61 moves; the fourth link 74 drives the second slide block 62 to move in a direction close to the first slide block 61, and the second link 64 on the second slide block 62 moves; the first link 63 and the second link 64 move the support plate 65 downward, so that the ink tank 13 is locked on the fixing plate 51.

Then the feeding roller 14 is positioned in the second groove 52, and then the feeding roller 14 is splined to the connecting shaft on the first motor 15.

When the second motor 83 is started, the output shaft of the second motor 83 drives the first gear 81 to rotate, the second gear 82 meshed with the first gear 81 rotates, the second gear 82 drives the rotating rod 84 to rotate, and the rotating rod 84 drives the scraper 16 to abut against the feeding roller 14.

When the second pneumatic cylinder 93 is started, the piston rod of the second pneumatic cylinder 93 drives the connecting block 91 to rotate, and the tension roller 92 on the connecting block 91 changes the position.

The PET film on the upper film roll 22 is unwound and then wound on the nip roll 56, then on the tension roll 92, then on the loading roll 14, into the oven 54, and the PET film exiting from the oven 54 is wound on the support roll 12 and then on the nip roll 56 on the adjacent printing stand 5.

The PET final printed flower shelf 5 after printing is output, firstly wound on the guide roller 34 and finally wound on the winding shaft 32.

Starting the third motor 33 and the first motor 15, wherein an output shaft of the first motor 15 drives a connecting shaft to rotate, the connecting shaft drives the feeding roller 14 to rotate, ink in the ink groove 13 can be filled in a template of the feeding roller 14, and the scraper 16 cleans the feeding roller 14 except the template; an output shaft of the third motor 33 drives the winding shaft 32 to rotate, and the processed PET film is wound.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A multicolor printing machine comprises a frame (1), wherein the frame (1) is sequentially provided with a feeding device (2), a plurality of printing units (4) and a winding device (3) along the processing direction; the printing device is characterized in that the printing unit (4) comprises a printing flower stand (5) arranged on the rack (1), a fixing plate (51) is arranged on the printing flower stand (5), a first groove (511) is formed in the fixing plate (51), and an ink groove (13) is arranged in the first groove (511); a second groove (52) is formed in the flower printing frame (5), a feeding roller (14) is rotationally connected in the second groove (52), the lower end of the feeding roller (14) is located in the ink groove (13), a first motor (15) is arranged on the flower printing frame (5), a connecting shaft is arranged on an output shaft of the first motor (15), and the feeding roller (14) is connected with the connecting shaft; and a scraper (16) abutting against the feeding roller (14) is arranged on the flower printing frame (5).

2. A multicolor printing machine according to claim 1, wherein said frame (1) is provided with an adjustment mechanism (6), said adjustment mechanism (6) comprising a plate (65) arranged on said flower printing stand (5) and abutting against said ink tank (13); a sliding groove (53) is formed in the flower printing frame (5), a first sliding block (61) and a second sliding block (62) are connected to the sliding groove (53) in a sliding mode, a first connecting rod (63) is hinged to the first sliding block (61), and one end, far away from the first sliding block (61), of the first connecting rod (63) is hinged to the supporting plate (65); a second connecting rod (64) is hinged to the second sliding block (62), and one end, far away from the second sliding block (62), of the second connecting rod (64) is connected with the supporting plate (65); be provided with adjusting part (7) on printing flower frame (5), first slider (61) with second slider (62) all with adjusting part (7) are connected.

3. A multicolor printing machine according to claim 2, wherein the adjusting assembly (7) comprises a first pneumatic cylinder (71) arranged on the printing frame (5), a piston rod of the first pneumatic cylinder (71) is provided with an adjusting rod (72), one end of the adjusting rod (72) far away from the first pneumatic cylinder (71) is provided with a third connecting rod (73) and a fourth connecting rod (74), and one end of the third connecting rod (73) far away from the adjusting rod (72) is connected with the first sliding block (61); one end of the fourth connecting rod (74) far away from the adjusting rod (72) is connected with the second sliding block (62).

4. A multicolor printing machine according to claim 1, wherein an adjusting mechanism (8) is arranged on the printing frame (5), the adjusting mechanism (8) comprises a second motor (83) arranged on the printing frame (5), and an output shaft of the second motor (83) is keyed with a first gear (81); a rotating rod (84) is arranged on the flower printing frame (5), and the scraper (16) is arranged on the rotating rod (84); and a second gear (82) meshed with the first gear (81) is connected to the rotating rod (84) in a keyed mode.

5. A multicolor printing machine according to claim 1, wherein a tensioning assembly (9) is arranged on the printing flower stand (5), said tensioning assembly (9) comprising a connecting block (91) hinged on the printing flower stand (5), a tensioning roller (92) being rotatably connected to the connecting block (91); articulated on printing flower stand (5) have second pneumatic cylinder (93), the piston rod of second pneumatic cylinder (93) with connecting block (91) is kept away from the one end of tensioning roller (92) is articulated.

6. A machine according to claim 1, characterised in that the printing stand (5) is provided with an oven (54), the oven (54) being connected with an air outlet duct (55).

7. A multicolor printing machine according to claim 1, wherein a support frame (11) is arranged on the frame (1) between two adjacent printing units (4), and a support roller (12) is rotatably connected to the support frame (11).

8. A multicolor printing machine according to claim 1, wherein said winding device (3) comprises a winding frame (31) arranged on said frame (1), said winding frame (31) having a winding shaft (32) rotatably connected thereto; a third motor (33) is arranged on the winding frame (31), and an output shaft of the third motor (33) is connected with the winding shaft (32); the winding frame (31) is rotatably connected with a guide roller (34).