CN116176114A - Flexo cold stamping device and preparation method thereof - Google Patents
Flexo cold stamping device and preparation method thereof Download PDFInfo
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- CN116176114A CN116176114A CN202211540272.1A CN202211540272A CN116176114A CN 116176114 A CN116176114 A CN 116176114A CN 202211540272 A CN202211540272 A CN 202211540272A CN 116176114 A CN116176114 A CN 116176114A
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- embossing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F16/00—Transfer printing apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
- B41F19/02—Apparatus or machines for carrying out printing operations combined with other operations with embossing
- B41F19/06—Printing and embossing between a negative and a positive forme after inking and wiping the negative forme; Printing from an ink band treated with colour or "gold"
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/24—Inking and printing with a printer's forme combined with embossing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/40—Printing on bodies of particular shapes, e.g. golf balls, candles, wine corks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
Abstract
A flexo cold stamping device belongs to the technical field of flexo cold stamping films. The stamping mechanism utilizes the rotary stamping wheel to enable the stamping roller to keep opposite pressure with the outer surface of the rotary special-shaped pencil through reciprocating movement, and stamps the pattern film of the flexible cold stamping film on the outer surface of the special-shaped pencil; the tension adjusting mechanism enables the adjusting roller to reciprocate in match with the reciprocating motion of the embossing roller through rotating the adjusting wheel so as to maintain the tension force of the flexible cold stamping film pattern film during transmission.
Description
Technical Field
The invention belongs to the technical field of flexo cold stamping films, and particularly relates to a flexo cold stamping device and a preparation method thereof.
Background
The soft printing cold stamping film has the characteristics of clear and vivid pattern, strong stereoscopic impression, rich colors and the like, and is widely applied to various high-grade cigarette packaging boxes and valuable gift boxes. At present, the rod-shaped articles such as special-shaped stationery pens (such as triangular stationery pens shown in fig. 1) have the defects of single pattern, poor aesthetic property and the like due to the shape structure of the rod-shaped articles. In the face of higher and higher market requirements, the prior special-shaped stationery pen obviously cannot meet the needs of consumers; however, the existing cold stamping machine is difficult to meet the stamping requirement, and the situation that stamping is incomplete or overlapped easily occurs in the transfer printing process is needed to be improved.
Disclosure of Invention
The invention mainly solves the technical problems in the prior art and provides a flexo cold stamping device and a preparation method thereof.
The technical problems of the invention are mainly solved by the following technical proposal: the stamping mechanism makes a stamping roller keep opposite pressing with the outer surface of the rotating special-shaped pencil through reciprocating movement by utilizing a rotating stamping wheel, and stamps the pattern film of the flexible cold stamping film on the outer surface of the special-shaped pencil; the tension adjusting mechanism enables the adjusting roller to reciprocate in match with the reciprocating motion of the embossing roller through rotating the adjusting wheel so as to maintain the tension force of the flexible cold stamping film pattern film during transmission.
Preferably, the cross section of the special-shaped pencil is in an equilateral triangle structure with rounded end angles, and when the special-shaped pencil corresponds to the embossing roller, one end angle of the special-shaped pencil is pressed against the embossing roller.
Preferably, the embossing mechanism comprises an embossing roller, an embossing roller frame, an embossing wheel, an embossing mounting frame and a first driving motor, wherein roller shafts on two sides of the embossing roller are respectively connected with two sides of the embossing roller frame in a rotating mode, the embossing roller frame is connected with the embossing mounting frame through a first telescopic rod, and a first spring is sleeved on the first telescopic rod; the edge of the embossing wheel is sequentially provided with three embossing convex blocks, the two embossing convex blocks positioned on two sides are symmetrically arranged on two sides of the embossing convex block positioned in the middle, and the first driving motor drives the embossing wheel to rotate so that the three embossing convex blocks are respectively in butt contact with the embossing roller frame and enable the embossing roller to reciprocate.
Preferably, the tension adjusting mechanism comprises an adjusting roller, an adjusting roller frame, an adjusting wheel, an adjusting installation frame and a second driving motor, wherein roller shafts on two sides of the adjusting roller are respectively connected with two sides of the adjusting roller frame in a rotating mode, the adjusting roller frame is connected with the adjusting installation frame through a second telescopic rod, and a second spring is sleeved on the second telescopic rod; the edge of regulating wheel is equipped with three regulation lug in proper order, second driving motor drive regulating wheel rotates and makes three regulation lug respectively with the regulating roller frame butt contact to make the regulating roller reciprocating motion.
Preferably, the flexo-printing cold-ironing film comprises an adhesive film, a pattern film and a release film which are sequentially arranged, wherein a plurality of pattern films are adhered to the adhesive film, the pattern films are arranged at equal intervals along the length direction of the adhesive film and can be separated from the adhesive film, the release film is arranged along the length direction of the adhesive film, and the release film is used for adhering the pattern films and the adhesive film and can be separated from the pattern films and the adhesive film.
Preferably, one end of the release film is separated from one end of the adhesive film, one end of the release film is wound on the release film winding roller, and one end of the adhesive film is used for embossing the pattern film on the outer surface of the special-shaped pencil through the embossing mechanism and then is wound on the adhesive film winding roller.
Preferably, the mounting seats are circumferentially arrayed on the turntable by taking the circle center of the turntable as the center, the mounting seat rotating connecting sleeve is provided with a rotating seat, the rotating seat is fixedly arranged on the turntable, the mounting seat is connected with a rotating motor for driving the mounting seat to rotate, a concave cavity for loading special-shaped stationery pens is formed in the mounting seat, and the turntable intermittently rotates through the dividing plate.
Preferably, the periphery of the turntable is provided with a pressing mechanism, the pressing mechanism comprises a pressing frame, a pressing cylinder is arranged on the pressing frame, and a pressing plate is arranged at the output end of the pressing cylinder.
The invention also provides a preparation method of the flexo cold stamping device, which comprises the following steps:
and 10, rotating the embossed special-shaped stationery pen out of the embossing mechanism through rotation of the turntable, rotating the next special-shaped stationery pen to the embossing mechanism through rotation of the turntable, and repeating the steps 4-9 to emboss the pattern film on the next special-shaped stationery pen.
The invention has the beneficial effects that: the embossing roller is in reciprocating movement by matching the embossing wheel, the embossing convex blocks and the first springs so as to keep the embossing roller in the embossing process, the embossing roller is always in opposite pressure with the special-shaped stationery pen, and the pattern film of the flexible cold stamping film is embossed on the outer surface of the special-shaped stationery pen; meanwhile, the adjusting roller is matched with the stamping roller in reciprocating movement through the matching of the adjusting wheel, the adjusting lug and the second spring, so that the tensioning force of the flexible cold stamping film pattern film during transmission is kept.
Drawings
FIG. 1 is a schematic view of a conventional shaped pencil;
FIG. 2 is a schematic view of a construction of the present invention;
FIG. 3 is a schematic view of a structure of a flexo-graphic cold stamping film of the present invention;
FIG. 4 is a schematic view of a mounting block according to the present invention;
FIG. 5 is a schematic view of a pressing mechanism according to the present invention;
FIG. 6 is a schematic view of a construction of the imprinting mechanism of the present invention;
FIG. 7 is a schematic view of a tension adjusting mechanism of the present invention;
FIG. 8 is a view of one use of the imprinting mechanism and tensioning mechanism of the present invention;
fig. 9 is a schematic structural view of the special-shaped writing pen of the present invention after imprinting.
In the figure: 1. flexo-printing a cold stamping film; 2. a mounting base; 3. a special-shaped stationery pen; 4. embossing a roll frame; 5. an embossing wheel; 6. an embossing roller; 7. embossing the mounting frame; 8. a first driving motor; 9. a first telescopic rod; 10. a first spring; 11. embossing the bump; 12. adjusting a roller frame; 13. an adjusting wheel; 14. an adjusting roller; 15. adjusting the mounting frame; 16. a second driving motor; 17. a second telescopic rod; 18. a second spring; 19. an adjustment tab; 20. an adhesive film; 21. a pattern film; 22. a release film; 23. a plastic sheet; 24. a release film wind-up roll; 25. an adhesive film wind-up roll; 26. a flexible printing cold stamping film unreeling roller; 27. a release film guide roller; 28. an adhesive film guide roller; 29. a conveying roller; 30. a pressing mechanism; 31. a traction roller; 32. silica gel; 33. a cavity; 34. a receiving chamber; 35. a turntable; 36. a rotating seat; 37. a rotating motor; 38. a pressing frame is pressed down; 39. a pressing cylinder; 40. and (5) a lower pressing plate.
Detailed Description
The technical scheme of the invention is further specifically described below through examples and with reference to the accompanying drawings.
Examples: a flexo-printing cold stamping device, as shown in fig. 2-9, comprises a flexo-printing cold stamping film 1, a stamping mechanism, a tension adjusting mechanism, a rotary table 35 and a mounting seat 2 for loading a special-shaped stationery pen 3 and driving the special-shaped stationery pen 3 to rotate.
The flexible cold stamping film 1 is wound on a flexible cold stamping film unreeling roller 26, one end of the flexible cold stamping film 1 is separated from the adhesive film 20 by tearing the release film 22 at one end of the flexible cold stamping film 1 manually after passing through a transmission roller 29, the separated release film 22 is guided by a release film guide roller 27 and then wound on a release film reeling roller 24, and a motor drives the release film reeling roller 24 to rotate so that the release film 22 is continuously wound on the release film reeling roller 24; the separated adhesive film 20 is adhered with the pattern film 21, the pattern film 21 is conveyed to an embossing mechanism under the traction of a traction roller 31, the pattern film 21 is embossed on the outer surface of the special-shaped pencil 3 through the embossing mechanism, and then is guided and wound on the adhesive film winding roller 25 through the adhesive film guiding roller 28, and the motor drives the adhesive film winding roller 25 to rotate so that the adhesive film 20 is continuously wound on the adhesive film winding roller 25.
As shown in fig. 3, the flexo-printing cold wave film 1 includes an adhesive film 20, a pattern film 21 and a release film 22, wherein the adhesive film 20, the pattern film 21 and the release film 22 are sequentially arranged, one side of the adhesive film 20 is free from adhesive, the other side of the adhesive film 20 is coated with adhesive, one side of the pattern film 21 is free from adhesive, the other side of the pattern film 21 is coated with adhesive, the non-adhesive side of the pattern film 21 is adhered to the adhesive side of the adhesive film 20, and the centrifugal film is adhered to the adhesive side of the pattern film 21 and the adhesive side of the adhesive film 20. The pattern film 21 is a laser three-dimensional pattern film 21, is provided with a plurality of pattern films, is arranged at equal intervals along the length direction of the adhesive film 20, and can be torn apart from the adhesive film 20; the release film 22 is provided along the longitudinal direction of the adhesive film 20 and is separable from the pattern film 21 and the adhesive film 20 by tearing.
In the present embodiment, the width of the release film 22 is equal to the width of the adhesive film 20, and the length of the release film 22 is equal to the length of the adhesive film 20. Preferably, the plastic sheets 23 are adhered to both sides of the adhesive film 20, and the plastic sheets 23 are respectively positioned on both sides of the pattern film 21 and are disposed along the length direction of the adhesive film 20, and the plastic sheets 23 have a certain flexibility so as to be wound with the adhesive film 20. By arranging the plastic sheet 23, on one hand, the release film 22 and the adhesive film 20 are convenient to tear and separate; on the other hand, the pulling rolls 31 can pull the adhesive film 20 through the plastic sheet 23 to be transferred, and gaps are formed between the pulling rolls 31 through the thickness of the plastic sheet 23, so that the transfer of the adhesive film 20 can be prevented from being affected by contact with the adhesive on the adhesive film 20.
The plurality of mounting seats 2 are arranged, the plurality of mounting seats 2 are circumferentially arrayed on the upper surface of the turntable 35 by taking the center of the circle of the turntable 35 as the center, a rotating seat 36 is arranged on a rotating connecting sleeve of the mounting seats 2, the rotating seat 36 has the same structure as a bearing seat, and the rotating seat 36 is fixedly arranged on the upper surface of the turntable 35; each mounting seat 2 is connected with a rotating motor 37, the rotating motor 37 is mounted on the lower surface of the rotary table 35, the output end of the rotating motor 37 penetrates through the rotary table 35 and then is connected with the mounting seat 2, the mounting seat 2 is mounted in the rotary seat 36, and the special-shaped stationery pen 3 is driven by the rotating motor 37 to rotate relative to the rotary seat 36 and is driven to rotate for one circle.
The mounting seat 2 is provided with a concave cavity 33 for loading the special-shaped stationery pen 3, and as the optimization, the concave cavity 33 is filled with silica gel 32, the silica gel 32 is provided with a containing cavity 34 which is matched with the special-shaped stationery pen 3 in shape, the section size of the containing cavity 34 is slightly smaller than the section size of the special-shaped stationery pen 3, and one end of the special-shaped stationery pen 3 is inserted into the containing cavity 34 through interference fit. The special-shaped pencil 3 is clamped and fixed by the elasticity of the silica gel 32, so that the clamping stability is good, and the outer surface of the special-shaped pencil 3 cannot be damaged.
The rotary table 35 intermittently rotates through the index plate, a pressing mechanism 30 is arranged on the periphery of the rotary table 35, the pressing mechanism 30 comprises a pressing frame 38, a pressing cylinder 39 is mounted on the pressing frame 38, and a pressing plate 40 is mounted at the output end of the pressing cylinder 39. When the mounting seat 2 loaded with the special-shaped pencil 3 is rotated to the pushing mechanism 30, the pushing cylinder 39 drives the pushing plate 40 to move downwards, and the pushing plate 40 pushes down the other end of the special-shaped pencil 3, so that the head end of the special-shaped pencil 3 is fully inserted into the silica gel 32 accommodating cavity 34, the consistency of the pattern film 21 stamped by the special-shaped pencil 3 is ensured, and the special-shaped pencil 3 cannot be separated from the accommodating cavity 34 in the stamping process.
In this embodiment, the cross section of the special-shaped writing tool 3 is an equilateral triangle, and three end corners are rounded corners. When the special-shaped pencil 3 is loaded in the mounting seat 2 and is transferred to the stamping roller 6 in the stamping mechanism, one end angle of the special-shaped pencil 3 corresponds to the stamping roller 6 and is pressed against the stamping roller 6.
The embossing mechanism makes the embossing roller 6 move reciprocally by utilizing the rotary embossing wheel 5 to keep the opposite pressure with the outer surface of the rotary special-shaped stationery pen 3, and embosses the pattern film 21 of the flexible cold stamping film 1 on the outer surface of the special-shaped stationery pen 3; the embossing mechanism comprises an embossing roller 6, an embossing roller frame 4, an embossing wheel 5, an embossing mounting frame 7, a first driving motor 8, a first telescopic rod 9 and a first spring 10, wherein roller shafts on two sides of the embossing roller 6 are respectively connected with two sides of the embossing roller frame 4 in a rotating mode, the first telescopic rod 9 is located between the embossing roller frame 4 and the embossing mounting frame 7, one end of the first telescopic rod 9 is connected with the embossing roller frame 4, the other end of the first telescopic rod 9 is connected with the embossing mounting frame 7, the first spring 10 is sleeved on the first telescopic rod 9, one end of the first spring 10 is connected with the embossing roller 6 frame 4, and the other end of the first spring 10 is connected with the embossing mounting frame 7; the output end of the first driving motor 8 is connected with the embossing wheel 5, the embossing wheel 5 is positioned between the embossing roller frame 4 and the embossing mounting frame 7, three embossing convex blocks 11 are sequentially arranged at the edge of the embossing wheel 5, the embossing convex blocks 11 positioned at two sides are symmetrically arranged at two sides of the embossing convex block 11 positioned in the middle, the embossing convex blocks 11 are arc-shaped structures, and the embossing convex blocks 11 and the embossing wheel 5 are connected into a whole to form a cam structure. Under the drive of the first driving motor 8, the embossing wheel 5 rotates and drives the three embossing convex blocks 11 to rotate, the three embossing convex blocks 11 are respectively in abutting contact with the embossing roller frame 4, and the embossing roller 6 is made to reciprocate through the embossing roller frame 4, specifically:
as shown in fig. 6, when the embossing roller 5 rotates to make the embossing protrusion 11 on the right contact with the embossing roller frame 4, the embossing protrusion 11 on the right pushes the embossing roller frame 4 to move downwards, the embossing roller frame 4 drives the embossing roller 6 to move downwards, the first spring 10 is stretched, and then the embossing roller frame 4 moves upwards under the action of the elasticity of the first spring 10 and drives the embossing roller 6 to move upwards; when the embossing wheel 5 continues to rotate so that the embossing cam 11 on the right side is not in contact with the embossing roll frame 4, that is, a gap formed between the embossing cam 11 on the right side and the embossing cam 11 in the middle is toward the embossing roll frame 4, the embossing roll 6 does not move; when the embossing wheel 5 continues to rotate to enable the middle embossing convex block 11 to be in abutting contact with the embossing roller frame 4, the middle embossing convex block 11 pushes the embossing roller frame 4 to move downwards, the embossing roller frame 4 drives the embossing roller 6 to move downwards, the first spring 10 is stretched, and then the embossing roller frame 4 moves upwards under the elastic force of the first spring 10 and drives the embossing roller 6 to move upwards; when the embossing wheel 5 continues to rotate so that the middle embossing protuberance 11 is not contacted with the embossing roll frame 4, namely, a gap formed between the middle embossing protuberance 11 and the left embossing protuberance 11 faces the embossing roll frame 4, the embossing roll 6 does not move; when the embossing roller 5 continues to rotate to enable the embossing convex block 11 at the left side to be in abutting contact with the embossing roller frame 4, the embossing convex block 11 at the left side pushes the embossing roller frame 4 to move downwards, the embossing roller frame 4 drives the embossing roller 6 to move downwards, the first spring 10 is stretched, and then the embossing roller frame 4 moves upwards under the elastic force of the first spring 10 and drives the embossing roller 6 to move upwards; when the embossing wheel 5 continues to rotate so that the embossing cam 11 on the left is out of contact with the embossing roll holder 4, i.e. the gap formed between the embossing cam 11 on the left and the embossing cam 11 on the right is directed towards the embossing roll holder 4, the embossing roll 6 does not move.
As shown in fig. 8, when the turntable 35 rotates to rotate the special-shaped pencil 3 to the stamping mechanism, the end angle a of the special-shaped pencil 3 is pressed against the stamping roller 6, at this time, the gap formed between the stamping protrusion 11 on the left side and the stamping protrusion 11 on the right side faces the stamping roller frame 4, and the stamping protrusion 11 on the right side is close to the stamping roller frame 4, at the same time, the traction roller 31 transmits the adhesive film 20, so that the pattern film 21 is transmitted between the stamping roller 6 and the special-shaped pencil 3, and the initial end of the pattern film 21 is close to the end angle a of the special-shaped pencil 3; during stamping, the rotating motor 37 drives the special-shaped stationery pen 3 to rotate, the first driving motor 8 drives the stamping wheel 5 to rotate, the stamping wheel 5 drives the three stamping convex blocks 11 to rotate, and the stamping convex blocks 11 on the right side are matched with the first springs 10 to enable the stamping roller 6 to move downwards and upwards so as to keep opposite pressure with the side face AB of the special-shaped stationery pen 3; the embossing roller 6 is not moved through a notch formed between the embossing convex block 11 on the right side and the embossing convex block 11 in the middle so as to keep the opposite pressure with the end angle B of the special-shaped stationery pen 3; the embossing roller 6 moves downwards and then upwards through the cooperation of the middle embossing convex block 11 and the first spring 10 so as to keep the opposite pressure with the side face BC of the special-shaped stationery pen 3; the embossing roller 6 is not moved through a notch formed between the middle embossing convex block 11 and the left embossing convex block 11 so as to keep the opposite pressure with the end angle C of the special-shaped stationery pen 3; the embossing roller 6 moves downwards and then upwards through the cooperation of the embossing convex block 11 on the left side and the first spring 10 so as to keep the opposite pressure with the side CA of the special-shaped stationery pen 3; the embossing roller 6 is not moved by the notch formed between the embossing convex block 11 on the left side and the embossing convex block 11 on the right side so as to keep the opposite pressing with the end angle A of the special-shaped pencil 3, the embossing of the pattern film 21 of the special-shaped pencil 3 is completed, and the next special-shaped pencil 3 is waited to turn to and is opposite pressed with the end angle A of the next special-shaped pencil 3.
The special-shaped stationery pen 3 rotates for a circle to just imprint the pattern film 21; as shown in fig. 9, there is a gap between the beginning and the end of the pattern film 21 that is embossed on the shaped pencil 3, the gap being formed by pressing the embossing roller 6 and the shaped pencil 3 first and then embossing the beginning of the pattern film 21; in this way, damage to the pattern film 21 during the initial pressing of the platen roller 6 and the shaped writing brush 3 can be avoided.
The tension adjusting mechanism enables the adjusting roller 14 to reciprocate in match with the reciprocating motion of the stamping roller 6 through rotating the adjusting wheel 13 so as to maintain the tension of the flexible cold stamping film 1 during the pattern film 21 transmission; the tension adjusting mechanism comprises an adjusting roller 14, an adjusting roller frame 12, an adjusting wheel 13, an adjusting installation frame 15, a second driving motor 16, a second telescopic rod 17 and a second spring 18, wherein roller shafts on two sides of the adjusting roller 14 are respectively connected with two sides of the adjusting roller frame 12 in a rotating mode, the second telescopic rod 17 is located between the adjusting roller frame 12 and the adjusting installation frame 15, one end of the second telescopic rod 17 is connected with the adjusting roller frame 12, the other end of the second telescopic rod 17 is connected with the adjusting installation frame 15, the second spring 18 is sleeved on the second telescopic rod 17, one end of the second spring 18 is connected with the adjusting roller frame 12, and the other end of the second spring 18 is connected with the adjusting installation frame 15; the output end of the second driving motor 16 is connected with the adjusting wheel 13, the adjusting wheel 13 is positioned between the adjusting roller frame 12 and the adjusting installation frame 15, three adjusting protruding blocks 19 are sequentially arranged on the edge of the adjusting wheel 13, the adjusting protruding blocks 19 are of arc-shaped structures, and the adjusting protruding blocks 19 and the adjusting wheel 13 are connected into a whole to form a cam structure. Under the drive of the second driving motor 16, the adjusting wheel 13 rotates and drives the three adjusting protruding blocks 19 to rotate, the three adjusting protruding blocks 19 are respectively in abutting contact with the adjusting roller frame 12, and the adjusting roller 14 is made to reciprocate through the adjusting roller frame 12, specifically:
as shown in fig. 7, when the adjusting wheel 13 rotates to make the left adjusting bump 19 contact with the adjusting roller frame 12, the left adjusting bump 19 pushes the adjusting roller frame 12 to move downwards, the adjusting roller frame 12 drives the adjusting roller 14 to move downwards, the second spring 18 is stretched, and then the adjusting roller frame 12 moves upwards under the elastic force of the second spring 18 and drives the adjusting roller 14 to move upwards; when the regulating wheel 13 continues to rotate so that the left regulating projection 19 is not in contact with the regulating roller 14 frame 12, that is, a gap formed between the left regulating projection 19 and the middle regulating projection 19 faces the regulating roller frame 12, the regulating roller 14 does not move; when the regulating wheel 13 continues to rotate to enable the middle regulating lug 19 to be in abutting contact with the regulating roller frame 12, the middle regulating lug 19 pushes the regulating roller frame 12 to move downwards, the regulating roller frame 12 drives the regulating roller 14 to move downwards, the second spring 18 is stretched, and then the regulating roller frame 12 moves upwards under the elastic force of the second spring 18 and drives the regulating roller 14 to move upwards; when the regulating wheel 13 continues to rotate so that the middle regulating lug 19 is not contacted with the regulating roller frame 12, a gap formed between the middle regulating lug 19 and the right regulating lug 19 faces the regulating roller frame 12, and the regulating roller 14 does not move; when the adjusting wheel 13 continues to rotate to enable the right adjusting lug 19 to be in abutting contact with the adjusting roller frame 12, the right adjusting lug 19 pushes the adjusting roller frame 12 to move downwards, the stamping roller 6 is driven to move downwards by the adjusting roller frame 12, the second spring 18 is stretched, and then the adjusting roller frame 12 moves upwards under the elastic force of the second spring 18 and drives the adjusting roller 14 to move upwards; when the regulating wheel 13 continues to rotate so that the right regulating projection 19 is not in contact with the regulating roller frame 12, the notch formed between the right regulating projection 19 and the left regulating projection 19 is directed toward the regulating roller frame 12, and the regulating roller 14 does not move.
As shown in fig. 8, when the turntable 35 rotates to rotate the special-shaped pencil 3 to the stamping mechanism, the end angle a of the special-shaped pencil 3 is pressed against the stamping roller 6, at this time, the tension force during the transfer of the pattern film 21 of the flexo-stamping film 1 is provided by the adjusting roller 14 of the tension adjusting mechanism, that is, the adjusting lug 19 on the left side of the adjusting wheel 13 is in abutting contact with the adjusting roller frame 12, the adjusting roller 14 moves downwards to tension the pattern film 21, at the same time, the notch formed between the stamping lug 11 on the left side of the stamping wheel 5 and the stamping lug 11 on the right side faces the stamping roller frame 4, and the stamping lug 11 on the right side is close to the stamping roller frame 4;
in the embossing process of the side surface AB of the special-shaped stationery pen 3, the embossing convex block 11 on the right side is matched with the first spring 10 to enable the embossing roller 6 to move downwards and upwards, the adjusting convex block 19 on the left side, the second spring 18 and the adjusting convex block 19 in the middle are matched to enable the adjusting roller 14 to move upwards and downwards, in the process, the downwards moving stroke of the embossing roller 6 is equal to the upwards moving stroke of the adjusting roller 14, and the tensioning force is provided from the process of being provided by the adjusting roller 14, the process of being provided by the adjusting roller 14 and the embossing roller 6 together, the process of being provided by the embossing roller 6, and the process of being provided by the adjusting roller 14 and the embossing roller 6 together;
in the embossing process of the end angle B of the special-shaped stationery pen 3, a notch formed between the embossing convex block 11 on the right side and the embossing convex block 11 in the middle faces the embossing roller frame 4, the embossing roller 6 does not move, in the process, the tension force during the pattern film 21 transmission is provided by the adjusting roller 14, namely the middle adjusting convex block 19 is in abutting contact with the adjusting roller frame 12, and the adjusting roller 14 moves downwards to tension the pattern film 21;
in the process of imprinting the side BC of the special-shaped stationery pen 3, the middle imprinting lug 11 and the first spring 10 cooperate to enable the imprinting roller 6 to move downwards and upwards, the middle adjusting lug 19, the second spring 18 and the right adjusting lug 19 cooperate to enable the adjusting roller 14 to move upwards and downwards, in the process, the downwards moving stroke of the imprinting roller 6 is equal to the upwards moving stroke of the adjusting roller 14, and the supply of the tensioning force during the pattern film 21 is supplied from the adjusting roller 14, the adjusting roller 14 and the imprinting roller 6 together, the imprinting roller 6 and the adjusting roller 14 and the imprinting roller 6 together provide the transition;
in the process of stamping the end angle C of the special-shaped stationery pen 3, a gap formed between the middle stamping convex block 11 and the left stamping convex block 11 faces the stamping roller frame 4, the stamping roller 6 does not move, in the process, the tensioning force during the pattern film 21 transmission is provided by the adjusting roller 14, namely the right adjusting convex block 19 is in abutting contact with the adjusting roller frame 12, and the adjusting roller 14 moves downwards to tension the pattern film 21;
in the process of embossing the side face CA of the special-shaped stationery pen 3, the embossing convex block 11 on the left side is matched with the first spring 10 to enable the embossing roller 6 to move downwards and upwards, the adjusting convex block 19 on the right side, the second spring 18 and the adjusting convex block 19 on the left side are matched to enable the adjusting roller 14 to move upwards and downwards, in the process, the downwards moving stroke of the embossing roller 6 is equal to the upwards moving stroke of the adjusting roller 14, and the tensioning force is provided from the process of being provided by the adjusting roller 14, the process of being provided by the adjusting roller 14 and the embossing roller 6 together, the process of providing the embossing roller 6, and the process of providing the transition by the adjusting roller 14 and the embossing roller 6 together;
in the embossing process of the end angle A of the special-shaped stationery pen 3, a gap formed between the embossing convex block 11 on the left side and the embossing convex block 11 on the right side faces the embossing roller 6 frame 4, the embossing roller 6 does not move, in the process, the tension force during the pattern film 21 transmission is provided by the adjusting roller 14, namely the adjusting convex block 19 on the left side is in abutting contact with the adjusting roller frame 12, and the adjusting roller 14 moves downwards to tension the pattern film 21.
By providing the tension adjusting mechanism, the adjusting roller 14 is moved up and down in cooperation with the platen roller 6 to maintain the tension at the time of conveyance of the pattern film 21.
The invention also provides a preparation method of the flexo cold stamping device, which comprises the following steps:
Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the invention is not limited to the above-described embodiments, but many variations are possible. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention should be considered to be within the scope of the present invention.
Claims (9)
1. The utility model provides a flexo cold stamping device, includes flexo cold stamping membrane (1), impression mechanism, tension adjustment mechanism and is used for loading dysmorphism stationery pen (3) and drive mount pad (2) that dysmorphism stationery pen (3) rotated, characterized in that, impression mechanism makes impression roller (6) keep through reciprocating movement with the counterpressure of the dysmorphism stationery pen (3) surface of rotation with rotating impression wheel (5), and impress pattern membrane (21) of flexo cold stamping membrane (1) to the surface of dysmorphism stationery pen (3); the tension adjusting mechanism enables the adjusting roller (14) to reciprocate in match with the reciprocating movement of the embossing roller (6) through rotating the adjusting wheel (13) so as to maintain the tension force when the pattern film (21) of the flexo cold stamping film (1) is conveyed.
2. The flexo-printing cold stamping device according to claim 1, wherein the cross section of the special-shaped pencil (3) is of an equilateral triangle structure with rounded end angles, and when the special-shaped pencil (3) corresponds to the stamping roller (6), one end angle of the special-shaped pencil (3) is pressed against the stamping roller (6).
3. The flexo-printing cold stamping device according to claim 1, wherein the stamping mechanism comprises a stamping roller (6), a stamping roller frame (4), a stamping wheel (5), a stamping mounting frame (7) and a first driving motor (8), roller shafts on two sides of the stamping roller (6) are respectively connected with two sides of the stamping roller frame (4) in a rotating mode, the stamping roller frame (4) is connected with the stamping mounting frame (7) through a first telescopic rod (9), and a first spring (10) is sleeved on the first telescopic rod (9); the edge of the embossing wheel (5) is sequentially provided with three embossing convex blocks (11), two embossing convex blocks (11) positioned on two sides are symmetrically arranged on two sides of the embossing convex block (11) positioned in the middle, and the first driving motor (8) drives the embossing wheel (5) to rotate so that the three embossing convex blocks (11) are respectively in abutting contact with the embossing roller frame (4) and enable the embossing roller (6) to reciprocate.
4. The flexo-printing cold stamping device according to claim 1, wherein the tension adjusting mechanism comprises an adjusting roller (14), an adjusting roller frame (12), an adjusting wheel (13), an adjusting installation frame (15) and a second driving motor (16), roller shafts on two sides of the adjusting roller (14) are respectively connected with two sides of the adjusting roller frame (12) in a rotating mode, the adjusting roller frame (12) is connected with the adjusting installation frame (15) through a second telescopic rod (17), and a second spring (18) is sleeved on the second telescopic rod (17); the edge of the adjusting wheel (13) is sequentially provided with three adjusting convex blocks (19), the second driving motor (16) drives the adjusting wheel (13) to rotate, so that the three adjusting convex blocks (19) are respectively in abutting contact with the adjusting roller frame (12), and the adjusting roller (14) moves reciprocally.
5. The flexo-cold stamping device according to claim 1, wherein the flexo-cold stamping film (1) comprises an adhesive film (20), a pattern film (21) and a release film (22) which are sequentially arranged, wherein a plurality of pattern films (21) are adhered to the adhesive film (20), the pattern films (21) are arranged at equal intervals along the length direction of the adhesive film (20) and can be separated from the adhesive film (20), the release film (22) is arranged along the length direction of the adhesive film (20), and the release film (22) is adhered to the pattern films (21) and the adhesive film (20) and can be separated from the pattern films (21) and the adhesive film (20).
6. The flexo-printing cold stamping device according to claim 5, wherein one end of the release film (22) is separated from one end of the adhesive film (20), one end of the release film (22) is wound on the release film winding roller (24), and one end of the adhesive film (20) is wound on the adhesive film winding roller (25) after the pattern film (21) is stamped on the outer surface of the special-shaped stationery pen (3) through the stamping mechanism.
7. The flexography cold stamping device according to claim 1, wherein a plurality of mounting seats (2) are circumferentially arrayed on the turntable (35) by taking the center of the turntable (35) as the center, a rotating seat (36) is arranged on a rotating connecting sleeve of the mounting seats (2), the rotating seat (36) is fixedly arranged on the turntable (35), the mounting seats (2) are connected with a rotating motor (37) for driving the mounting seats (2) to rotate, a concave cavity (33) for loading special-shaped stationery pens (3) is formed in the mounting seats (2), and the turntable (35) intermittently rotates through an index plate.
8. A flexo-cold stamping device according to claim 7, wherein the periphery of the turntable (35) is provided with a pressing mechanism (30), the pressing mechanism (30) comprises a pressing frame (38), a pressing cylinder (39) is mounted on the pressing frame (38), and a pressing plate (40) is mounted at the output end of the pressing cylinder (39).
9. A method of manufacturing a flexographic cold stamping device according to any one of claims 1 to 8, comprising the steps of:
step 1, unreeling a flexible cold stamping film (1) by a flexible cold stamping film unreeling roller (26), tearing off a release film (22) and an adhesive film (20) at one end of the flexible cold stamping film (1) to separate, winding the separated release film (22) on a release film winding roller (24), and winding the separated adhesive film (20) on an adhesive film winding roller (25); inserting the special-shaped stationery pen (3) into the mounting seat (2);
step 2, rotating the rotary table (35) to rotate the special-shaped stationery pen (3) to the pushing mechanism (30), and driving the pushing plate (40) to move downwards by the pushing cylinder (39), so as to push the special-shaped stationery pen (3) downwards through the pushing plate (40) to ensure that the special-shaped stationery pen (3) is inserted in place in the mounting seat (2);
step 3, rotating the rotary table (35) to rotate the special-shaped stationery pen (3) to the imprinting mechanism, wherein the first end angle of the special-shaped stationery pen (3) is opposite to the imprinting roller (6), meanwhile, the pattern film (21) is transmitted between the imprinting roller (6) and the special-shaped stationery pen (3), and the initial end of the pattern film (21) is close to the first end angle of the special-shaped stationery pen (3);
step 4, a rotating motor (37) drives the special-shaped stationery pen (3) to rotate, a first driving motor (8) drives an embossing wheel (5) to rotate, the embossing wheel (5) drives three embossing convex blocks (11) to rotate, and the first embossing convex blocks (11) and a first spring (10) are matched to enable an embossing roller (6) to move towards the special-shaped stationery pen (3) first and then move away from the special-shaped stationery pen (3) so as to keep opposite pressure with the first side surface of the special-shaped stationery pen (3), and part of a pattern film (21) is embossed on the first side surface of the special-shaped stationery pen (3) through opposite pressure; meanwhile, the second driving motor (16) drives the adjusting wheel (13) to rotate, the adjusting wheel (13) rotates to drive the three adjusting convex blocks (19) to rotate, and the first adjusting convex blocks (19), the second springs (18) and the second adjusting convex blocks (19) are matched to enable the adjusting roller (14) to move in the opposite direction corresponding to the embossing roller (6) so as to keep the tensioning force of the pattern film (21) during transmission;
step 5, the special-shaped stationery pen (3) keeps rotating, a part of the pattern film (21) is stamped on a second end corner of the special-shaped stationery pen (3) through the stamping roller (6) and the special-shaped stationery pen (3), and the stamping roller (6) does not move in the stamping process;
step 6, the special-shaped pencil (3) keeps rotating, the embossing wheel (5) keeps rotating, the second embossing convex block (11) is matched with the first spring (10) to enable the embossing roller (6) to move towards the special-shaped pencil (3) and then move away from the special-shaped pencil (3) so as to keep opposite pressure with the second side surface of the special-shaped pencil (3), and a part of the pattern film (21) is embossed on the second side surface of the special-shaped pencil (3) through opposite pressure; at the same time, the adjusting wheel (13) keeps rotating, and the second adjusting lug (19), the second spring (18) and the third adjusting lug (19) are matched to enable the adjusting roller (14) to move in the opposite direction corresponding to the embossing roller (6) so as to keep the tension force of the pattern film (21) during transmission;
step 7, the special-shaped stationery pen (3) keeps rotating, a part of the pattern film (21) is stamped on a third end corner of the special-shaped stationery pen (3) through the stamping roller (6) and the special-shaped stationery pen (3) in a counter-pressing mode, and in the counter-pressing process, the stamping roller (6) does not move and the stamping wheel (5) keeps rotating;
step 8, the special-shaped pencil (3) keeps rotating, the embossing wheel (5) keeps rotating, the third embossing convex block (11) and the first spring (10) cooperate to enable the embossing roller (6) to move towards the special-shaped pencil (3) before moving away from the special-shaped pencil (3) so as to keep opposite pressure with the third side surface of the special-shaped pencil (3), and a part of the pattern film (21) is embossed on the third side surface of the special-shaped pencil (3) through opposite pressure; at the same time, the adjusting wheel (13) keeps rotating, and the first adjusting lug (19), the second spring (18) and the third adjusting lug (19) are matched to enable the adjusting roller (14) to move in the opposite direction corresponding to the embossing roller (6) so as to keep the tension force of the pattern film (21) during transmission;
step 9, the special-shaped pencil (3) keeps rotating, a part of the pattern film (21) is stamped on a first end corner of the special-shaped pencil (3) through stamping rollers (6) and the special-shaped pencil (3), the stamping rollers (6) do not move in the stamping process, and stamping of the pattern film (21) of the special-shaped pencil (3) is completed;
step 10, rotating the embossed special-shaped stationery pen (3) out of the embossing mechanism through the rotation of the rotary table (35), rotating the next special-shaped stationery pen (3) to the embossing mechanism through the rotation of the rotary table (35), and repeating the steps 4-9 to emboss the pattern film (21) on the next special-shaped stationery pen (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211540272.1A CN116176114A (en) | 2022-12-02 | 2022-12-02 | Flexo cold stamping device and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211540272.1A CN116176114A (en) | 2022-12-02 | 2022-12-02 | Flexo cold stamping device and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116176114A true CN116176114A (en) | 2023-05-30 |
Family
ID=86437213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211540272.1A Pending CN116176114A (en) | 2022-12-02 | 2022-12-02 | Flexo cold stamping device and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116176114A (en) |
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2022
- 2022-12-02 CN CN202211540272.1A patent/CN116176114A/en active Pending
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