CN212124499U - Rotary press - Google Patents

Abstract

The utility model relates to a rotary press, which comprises a frame; the frame is provided with an unreeling component, a printing component and a reeling component; the printing assembly comprises a printing table, a printing roller and an embossing roller; two sides of the printing table are provided with concave grooves; the bottom end of the concave groove is provided with a first sliding chute; a moving block with an inclined upper end surface is arranged in the concave groove, and a first convex block is fixedly arranged at the lower end of the moving block; two side walls of the groove are provided with second sliding chutes respectively; a second bump is fixedly arranged on each of two sides of the supporting block; the printing roller is rotationally connected with the supporting block; one side of the moving block is provided with a pressure adjusting component; the pressure adjusting assembly comprises a lead screw and a servo motor; the base of the servo motor is fixedly connected with the printing table; the end part of an output shaft of the servo motor is fixedly connected with the screw rod; the lead screw is inserted on the moving block and is in threaded connection with the moving block. The utility model discloses have and drive the movable plate horizontal slip in the frame through the lead screw, and then drive printing roller up-and-down motion, realize pressure adjustment's effect.

Description

Rotary press

Technical Field

The utility model belongs to the technical field of the technique of printing machine and specifically relates to a rotary press is related to.

Background

At present, a rotary press is a device capable of labeling at high speed; one key in the printing process is that the pressure between the printing roller and the impression roller enables the ink layer obtained on the printing plate to be correctly transferred on the label, which is also directly related to the quality of the printed product; the pressure is adjusted before printing to ensure the best results are achieved.

The prior art can refer to the invention patent with application publication number CN108081742A, which discloses a pressure adjusting device of a printing machine based on a rotating wheel, comprising a frame, a power box, a rotating wheel, a rotating shaft, an eccentric wheel, a connecting rod, a first bearing seat, a displacement sensor, a pressing cylinder, a second bearing seat, a plate cylinder, a balance bar and a pressure sensor; the pressure adjusting device is compact in structure and simple to use, the size of the gap between the two cylinders and the pressure can be known through the displacement sensor and the pressure sensor, the pressure adjusting time is shortened, and the production efficiency is improved.

The above prior art solutions have the following drawbacks: although the pressure adjusting device can adjust the pressure, the balance bar drives the pressing cylinder to move so as to increase the distance between the pressing cylinder and the plate cylinder; then the rotating wheel is manually rotated to enable the eccentric wheel to push the connecting rod to move, so that the gap between the two cylinders is reduced, and the pressure adjusting process is complicated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rotary press, drive the movable plate horizontal slip in the frame through the lead screw, and then drive printing roller up-and-down motion, realize pressure adjustment's effect.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a rotary press includes a frame; the frame is provided with an unreeling component, a printing component and a reeling component; the printing assembly comprises a printing table, a printing roller and a stamping roller; two sides of the printing table are provided with concave grooves; the bottom end of the concave groove is provided with a first sliding chute; a moving block with an inclined upper end surface is arranged in the concave groove; the lower end of the moving block is fixedly provided with a first convex block which is connected in the first sliding groove in a sliding manner; two side walls of the concave groove are provided with second sliding grooves; a supporting block is arranged above the moving block; the lower end face of the supporting block is mutually attached to the upper end face of the moving block; two sides of the supporting block are fixedly provided with a second convex block which is connected in the second sliding chute in a sliding manner; the printing roller is rotationally connected with the supporting block; one side of the moving block is provided with a pressure adjusting component; the pressure adjusting assembly comprises a lead screw and a servo motor; the base of the servo motor is fixedly connected with the printing table; the end part of an output shaft of the servo motor is fixedly connected with a lead screw; the lead screw is inserted on the moving block and is in threaded connection with the moving block.

Through adopting above-mentioned technical scheme, servo motor starts, and the drive lead screw is rotatory, makes the movable block slide along the first spout on the concave groove, because the up end of movable block surely sets up to one side, so can drive the supporting shoe and carry out the up-and-down motion along the second spout, changes the distance between printing roller and the impression roller, plays pressure adjustment's technological effect.

The present invention may be further configured in a preferred embodiment as: the end part of the screw rod is provided with a supporting plate; the screw rod is inserted on the supporting plate and is rotationally connected with the supporting plate; one end of the supporting plate is fixedly connected with the printing table.

Through adopting above-mentioned technical scheme, the backup pad plays the effect of support, can improve the stationarity of lead screw motion in-process.

The present invention may be further configured in a preferred embodiment as: a drying table is arranged between the printing component and the winding component; and a UV ultraviolet lamp is arranged on the drying table.

Through adopting above-mentioned technical scheme, when the material after the printing was through the printing station, the UV ultraviolet lamp can carry out the drying to the material, produces the adhesion when preventing to receive the material.

The present invention may be further configured in a preferred embodiment as: a cooling assembly is arranged at the lower end of the UV ultraviolet lamp; the cooling assembly comprises a fan and a positioning frame; the fan is arranged in the positioning frame and is fixedly connected with the positioning frame.

Through adopting above-mentioned technical scheme, the drying temperature of different kinds of UV ultraviolet lamps is different, when carrying out the drying to receiving the great film class material of temperature influence, and the high temperature can cause the printing material tensile, and the fan starts, can cool off the material in drying process, guarantees the printing quality.

The present invention may be further configured in a preferred embodiment as: the two side walls of the drying table are provided with third sliding grooves; two ends of the positioning frame are fixedly provided with a third bump which is connected in the third sliding chute in a sliding manner; a lifting cylinder is arranged below the positioning frame; the base of the lifting cylinder is fixedly connected with the drying table; the end part of a piston rod of the lifting cylinder is fixedly connected with the positioning frame.

By adopting the technical scheme, the lifting cylinder is started, the piston rod drives the third bump on the positioning frame to slide in the third sliding groove, so that the height between the cooling assembly and the material can be adjusted, and the cooling requirements of different materials are met.

The present invention may be further configured in a preferred embodiment as: a positioning assembly is arranged on one side, close to the unreeling assembly, of the printing assembly; the positioning assembly comprises a positioning seat, a positioning roller and a positioning lantern ring; the two positioning seats are respectively fixedly connected with the printing table; two ends of the positioning roller are inserted on the positioning seat and fixedly connected with the positioning seat; the positioning lantern ring is sleeved on the positioning roller and is in sliding connection with the positioning roller.

Through adopting above-mentioned technical scheme, fix the material between two position lantern rings, can fix a position the material, prevent that the material from sliding on the registration roller.

The present invention may be further configured in a preferred embodiment as: the positioning lantern ring is in threaded connection with an adjusting bolt; the adjusting bolt penetrates through the positioning lantern ring, and the end part of the adjusting bolt is abutted to the outer annular surface of the positioning roller.

By adopting the technical scheme, the adjusting bolt is loosened, so that the positioning sleeve ring slides on the positioning roller, and the positioning requirements of materials with different widths can be met; the adjusting bolt is screwed down, and the positioning lantern ring can be fixed.

The present invention may be further configured in a preferred embodiment as: a plurality of fastening rods are arranged on the positioning seat; and the fastening rods are arranged in a vertically staggered manner and are respectively connected with the positioning seat in a rotating manner.

Through adopting above-mentioned technical scheme, the material passes through in fastening pole and the clearance of registration roller, can take up the material, prevents the material fold.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the servo motor is started to drive the lead screw to rotate, so that the moving block slides along the first sliding groove on the concave groove, and the upper end face of the moving block is obliquely arranged, so that the supporting block can be driven to move up and down along the second sliding groove, the distance between the printing roller and the embossing roller is changed, and the technical effect of pressure regulation is achieved;

2. the drying temperatures of different types of UV ultraviolet lamps are different, when thin film materials greatly influenced by the temperatures are dried, the printed materials are stretched due to overhigh temperatures, and the materials can be cooled in the drying process by starting a fan, so that the printing quality is ensured;

3. the lifting cylinder is started, the piston rod drives the third bump on the positioning frame to slide in the third sliding groove, the height between the cooling assembly and the material can be adjusted, and the cooling requirements of different materials are met.

Drawings

FIG. 1 is a schematic view showing the overall structure of a printing press according to an embodiment;

FIG. 2 is a schematic structural view of a highlighted positioning assembly in an embodiment;

FIG. 3 is a schematic structural view of a highlighted pressure adjustment assembly in the embodiment;

FIG. 4 is a schematic view showing the structure of a highlighting drying stage in an embodiment;

FIG. 5 is a schematic view of a part of the structure of the drying table in the example.

Reference numerals: 1. a frame; 11. a concave groove; 111. a first chute; 112. a second chute; 2. an unwinding assembly; 3. a printing assembly; 31. a printing table; 32. a printing roller; 33. a platen roller; 4. a winding component; 5. a drying table; 51. a third chute; 52. a UV ultraviolet lamp; 6. a support block; 61. a second bump; 7. a positioning assembly; 71. positioning seats; 72. a positioning roller; 73. a positioning collar; 731. adjusting the bolt; 74. a fastening rod; 8. a moving block; 81. a first bump; 9. a pressure regulating assembly; 91. a lead screw; 92. a servo motor; 10. a support plate; 12. a cooling assembly; 121. a fan; 122. a positioning frame; 1221. a third bump; 13. a lift cylinder; 14. a base plate; 141. and a through hole.

Detailed Description

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

Referring to fig. 1, the rotary press disclosed by the present invention comprises a frame 1, wherein an unreeling assembly 2, a printing assembly 3 and a reeling assembly 4 are sequentially arranged on the frame 1; a drying table 5 capable of drying the printing ink printed on the material is arranged between the printing component 3 and the winding component 4, and a UV ultraviolet lamp 52 is arranged on the drying table 5; two groups of printing components 3 and two groups of drying tables 5 are arranged; unreel subassembly 2 when unreeling, thereby rolling subassembly 4 carries out the rolling and produces the pulling force, drives the material and gets into and print in the printing element 3, and after the printing was accomplished, the material continued to move under rolling subassembly 4's pulling force, and the material that has printed gets into drying cabinet 5 and dries, carries out the rolling through rolling subassembly 4 at last.

Referring to fig. 1 and 2, the printing assembly 3 includes a printing table 31, a printing roller 32, and an impression roller 33; supporting blocks 6 are respectively arranged on two sides of the printing table 31; the printing roller 32 and the impression roller 33 are arranged up and down and are rotationally connected with the supporting block 6; a driving motor for driving the printing roller 32 and the impression roller 33 to rotate is fixedly arranged on the printing table 31; the material passes through the gap between the printing roller 32 and the impression roller 33, and the driving motor drives the printing roller 32 and the impression roller 33 to rotate, so that the ink on the printing roller 32 can be printed on the material.

In order to align the material with the printing ink on the printing roller 32 and prevent the material from moving left and right in the conveying process, a positioning assembly 7 is arranged on one side of the printing assembly 3 close to the unreeling assembly 2; the positioning assembly 7 comprises two positioning seats 71, a positioning roller 72 and a positioning collar 73 which are oppositely arranged; the two positioning seats 71 are respectively arranged on two sides of the printing table 31 and are fixedly connected with the printing table 31; both ends of the positioning roller 72 are fixedly connected with the positioning seat 71; the number of the positioning lantern rings 73 is two, the two positioning lantern rings are respectively sleeved at two ends of the positioning roller 72, and the positioning lantern rings 73 are connected with the positioning roller 72 in a sliding mode; an adjusting bolt 731 is connected to the positioning sleeve ring 73 in a threaded manner, the adjusting bolt 731 penetrates through the positioning sleeve ring 73, and the lower end of the adjusting bolt 731 is abutted against the outer ring surface of the positioning roller 72; the adjusting bolt 731 is loosened to enable the two positioning collars 73 to slide on the positioning roller 72, and the distance between the two positioning collars 73 can be adjusted according to the width of the material; the positioning collar 73 can be fixed to the positioning roller 72 by tightening the adjustment bolt 731.

In order to prevent the material from being folded in the unwinding assembly 2 and affecting the printing of the material, a plurality of fastening rods 74 which are arranged in an up-and-down staggered manner are rotatably connected between the two positioning seats 71; the material passes through the gap between the fastening bar 74 and the positioning roller 72, which tensions the material to prevent wrinkles from occurring.

Referring to fig. 1 and 3, both sides of the printing table 31 are provided with concave grooves 11, a first sliding groove 111 is provided on a lower end surface of the concave groove 11 along a length direction thereof, and second sliding grooves 112 are provided on two side walls of the concave groove 11 along a height direction thereof, respectively; a moving block 8 with an inclined upper end surface is arranged in the concave groove 11, and a gap is reserved between the moving block 8 and two side walls of the concave groove 11; the lower end of the moving block 8 is fixedly provided with a first bump 81 which is connected in the first sliding groove 111 in a sliding manner; the supporting block 6 is arranged above the moving block 8, and the lower end face of the supporting block 6 is attached to the upper end face of the moving block 8; two sides of the supporting block 6 are fixedly provided with a second projection 61 which is slidably connected in the second sliding groove 112.

One side of the moving block 8 is provided with a pressure adjusting assembly 9, and the pressure adjusting assembly 9 comprises a lead screw 91 and a servo motor 92; the base of the servo motor 92 is fixedly connected with the printing table 31, and the end part of the output shaft of the servo motor 92 is fixedly connected with the lead screw 91; one side of the moving block 8 extends out of the printing table 31, and the lead screw 91 is inserted on the moving block 8 and is in threaded connection with the moving block 8; the end part of the screw 91 is provided with a support plate 10 which is vertically fixed on the printing table 31; the lead screw 91 is inserted on the support plate 10 and is rotationally connected with the support plate 10; the servo motor 92 is started to drive the lead screw 91 to rotate, so that the moving block 8 slides left and right along the first sliding groove 111, the supporting plate 10 is driven to move up and down along the second sliding groove 112, the gap between the printing roller 32 and the embossing roller 33 can be adjusted, and the pressure between the two rollers can be adjusted.

Referring to fig. 4, different types of UV lamps 52 have different drying temperatures, and in order to prevent the printed material from stretching when the material greatly affected by the temperature is dried, a cooling assembly 12 is disposed at the lower end of the UV lamp 52; the cooling assembly 12 comprises a fan 121 and a positioning frame 122, wherein the fan 121 is fixedly connected to the inside of the positioning frame 122; third sliding grooves 51 are formed in the two sides of the drying table 5 along the height direction of the drying table, and protruding blocks third 1221 which are connected into the third sliding grooves 51 in a sliding mode are fixedly arranged at the two ends of the positioning frame 122; the lower end of the positioning frame 122 is provided with two lifting cylinders 13, and the two lifting cylinders 13 are symmetrically distributed along the length direction of the positioning frame 122; the base of the lifting cylinder 13 is fixedly connected with the drying table 5, and the end part of the piston rod of the lifting cylinder 13 is fixedly connected with the positioning frame 122; the lifting cylinder 13 drives the piston rod to move, so that the positioning frame 122 is driven to slide up and down along the third sliding groove 51, the wind force on the material is adjusted, and the cooling requirements of different materials are met; two lifting cylinders 13 are arranged, so that the movement smoothness of the positioning frame 122 can be kept.

Referring to fig. 5, a bottom plate 14 is arranged between the UV ultraviolet lamp 52 and the cooling assembly 12, a plurality of through holes 141 are uniformly distributed on the bottom plate 14, and two ends of the bottom plate 14 are fixedly connected with the drying table 5; the through hole 141 is formed in the bottom plate 14 to facilitate the wind to pass through.

The implementation principle of the embodiment is as follows: when the material printing machine is used, the printing machine starts to print materials under the action of the unreeling component 2 and the reeling component 4; when the unreeling component 2 unreels, the reeling component 4 reels to generate a certain pulling force, the material firstly passes through the positioning component 7, and the positioning lantern rings 73 on the two sides of the positioning roller 72 can prevent the material from moving left and right, so that the material is aligned with the printing ink on the printing roller 32; the material passes through the gap between the positioning roller 72 and the fastening rod 74, so that the material can be tensioned, and the printing effect is prevented from being influenced by the wrinkles; then, the material enters the printing component 3 for printing, after the printing is finished, the material continues to move under the tension of the winding component 4, the material with the printed pattern enters the drying platform 5 for drying, and meanwhile, the material is cooled through the cooling component 12; after drying for a period of time, the material is pulled out under the tension of the rolling component 4, and finally the rolling component 4 rolls all the printed materials; the pressure regulating assembly 9 can regulate the pressure between the printing roller 32 and the impression roller 33, and ensure that the printing ink layer can be printed on the material without errors.

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 (8)

1. A rotary press comprises a frame (1); the frame (1) is provided with an unreeling component (2), a printing component (3) and a reeling component (4); the printing assembly (3) comprises a printing table (31), a printing roller (32) and an embossing roller (33); the method is characterized in that: two sides of the printing table (31) are provided with concave grooves (11); the bottom end of the concave groove (11) is provided with a first sliding groove (111); a moving block (8) with an inclined upper end surface is arranged in the concave groove (11); the lower end of the moving block (8) is fixedly provided with a first bump (81) which is connected in a sliding manner in the first sliding groove (111); two side walls of the concave groove (11) are provided with second sliding grooves (112); a supporting block (6) is arranged above the moving block (8); the lower end surface of the supporting block (6) is attached to the upper end surface of the moving block (8); two sides of the supporting block (6) are fixedly provided with a second bump (61) which is connected in the second sliding groove (112) in a sliding manner; the printing roller (32) is rotationally connected with the supporting block (6); a pressure adjusting component (9) is arranged on one side of the moving block (8); the pressure adjusting assembly (9) comprises a lead screw (91) and a servo motor (92); the base of the servo motor (92) is fixedly connected with the printing table (31); the end part of an output shaft of the servo motor (92) is fixedly connected with a lead screw (91); the lead screw (91) is inserted into the moving block (8) and is in threaded connection with the moving block (8).

2. The rotary printing press according to claim 1, wherein: a support plate (10) is arranged at the end part of the lead screw (91); the lead screw (91) is inserted on the support plate (10) and is rotationally connected with the support plate (10); one end of the supporting plate (10) is fixedly connected with the printing table (31).

3. The rotary printing press according to claim 1, wherein: a drying table (5) is arranged between the printing component (3) and the winding component (4); and a UV ultraviolet lamp (52) is arranged on the drying table (5).

4. The rotary printing press according to claim 3, wherein: the lower end of the UV ultraviolet lamp is provided with a cooling component (12); the cooling assembly (12) comprises a fan (121) and a positioning frame (122); the fan (121) is arranged in the positioning frame (122) and is fixedly connected with the positioning frame (122).

5. The rotary printing press according to claim 4, wherein: a third sliding chute (51) is formed in two side walls of the drying table (5); the two ends of the positioning frame (122) are fixedly provided with a third bump (1221) which is connected in the third sliding groove (51) in a sliding manner; a lifting cylinder (13) is arranged below the positioning frame (122); the base of the lifting cylinder (13) is fixedly connected with the drying table (5); the end part of a piston rod of the lifting cylinder (13) is fixedly connected with the positioning frame (122).

6. The rotary printing press according to claim 1, wherein: a positioning component (7) is arranged on one side, close to the unreeling component (2), of the printing component (3); the positioning assembly (7) comprises a positioning seat (71), a positioning roller (72) and a positioning collar (73); the two positioning seats (71) are respectively fixedly connected with the printing table (31); two ends of the positioning roller (72) are inserted into the positioning seat (71) and fixedly connected with the positioning seat (71); the positioning lantern ring (73) is sleeved on the positioning roller (72) and is in sliding connection with the positioning roller (72).

7. The rotary printing press according to claim 6, wherein: an adjusting bolt (731) is connected to the positioning lantern ring (73) in a threaded manner; the adjusting bolt (731) penetrates through the positioning sleeve ring (73) and the end part of the adjusting bolt is abutted against the outer annular surface of the positioning roller (72).

8. The rotary printing press according to claim 6, wherein: a plurality of fastening rods (74) are arranged on the positioning seat (71); the fastening rods (74) are arranged in a vertically staggered mode and are respectively connected with the positioning seat (71) in a rotating mode.

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