CN113147159A - Processing method of seamless type stamping roller - Google Patents
Processing method of seamless type stamping roller Download PDFInfo
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- CN113147159A CN113147159A CN202110073917.4A CN202110073917A CN113147159A CN 113147159 A CN113147159 A CN 113147159A CN 202110073917 A CN202110073917 A CN 202110073917A CN 113147159 A CN113147159 A CN 113147159A
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- roller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/18—Curved printing formes or printing cylinders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
- B41F13/08—Cylinders
- B41F13/10—Forme cylinders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
- B41F13/08—Cylinders
- B41F13/22—Means for cooling or heating forme or impression cylinders
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- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses a processing method of a seamless mould pressing plate roller, which relates to the technical field of mould pressing plate roller processing and solves the problems that a small white strip flaw is naturally formed at a certain position on a common smooth column nickel plate popular in the current market, and the flaw cannot be processed in the current mould pressing plate roller, and the technical scheme is characterized by comprising the following steps: a printing roller body, a mould pressing roller and a cooling roller are oppositely pressed on the mould pressing product line; a total heat area is arranged in the printing roller body, nickel plates sequentially cover the heat surface, and a plate seam interval is formed between every two adjacent nickel plates; the plate roller body is internally provided with a plate seam cold area, so that the aims of solving the problem that certain nickel plates with natural flaws are produced in a special process in production, ensuring the quality of products, processing seamless plate rollers, enabling the pressed products to have no flaws, improving the quality and yield of the products and correspondingly reducing energy consumption are fulfilled.
Description
Technical Field
The invention relates to the technical field of processing of a stamping roller, in particular to a processing method of a seamless stamping roller.
Background
A laser double-pressure seamless molding press needs to realize seamless products, and has the advantages that double pressure (one plate and two plates) is needed (three-roller opposite pressure of a printing roller, a rubber roller and a cooling roller), and the printing roller needs to be cooled to eliminate plate seams, so that a heating high-temperature area and a cooling low-temperature area are arranged on the design of the printing roller.
The plate roller can meet the production requirements of most seamless machine products, but when some special nickel plates are encountered, flaw birthmarks naturally exist on the nickel plates, and the flaw birthmarks can continuously appear on the products to seriously affect the product quality. For example, a small white strip flaw birthmark is naturally formed at a certain position on a light beam nickel plate which is popular in the current market, and the flaw cannot be processed by the existing embossing plate roller.
Disclosure of Invention
The invention aims to provide a processing method of a seamless type embossing roller.
A processing method of a seamless type embossing roller comprises the following steps:
step A, oppositely pressing a plate roller body, a mold pressing roller and a cooling roller on a mold pressing product line;
b, arranging total hot areas distributed around the circumference of the central axis of the plate roller body in the plate roller body so as to form hot surfaces on the circumferential surface of the plate roller body correspondingly;
step C, at least two nickel plates are sequentially covered on the hot surface, and plate seam intervals corresponding to the number of the nickel plates are formed between every two adjacent nickel plates;
and D, arranging a plate seam cold eliminating area covering the range of the plate seam distance in the plate roller body, so that a plate seam cold eliminating surface for eliminating the seam between the adjacent nickel plates is formed on the circumferential outer surface of the plate roller body.
By adopting the technical scheme, the nickel plate in the scheme is the flawless lettering nickel plate. The traditional printing roller can not solve the problem of products with the flaw lettering, the printing roller body of the scheme is spliced into a flawless lettering whole nickel plate with two plate seams by shearing two nickel plates with the flaw lettering parts, and thus the pressed products have no flaw lettering (because the two plate seams are also processed, no plate seam exists). Secondly, the two plate seam eliminating cold areas are mutually independent, and the two total hot areas are mutually independent and do not influence each other. Therefore, the deformation bending of the plate roll during heating and cooling operations is small. Compared with the traditional plate roller body, the bending deformation degree (deformation amount) of the plate roller body can be greatly improved, and the throwing of the plate roller body is correspondingly small, so that the film-moving and translation stability of the plate roller body can be greatly improved, the product quality and the yield can be improved, and the energy consumption can be correspondingly reduced.
In the step C, the number of the nickel plates is two, and the number of the plate-removing seam cold areas is two.
In the step B, a first cold zone and a second cold zone are arranged in the plate-elimination seam cold zone, a first hot zone and a second hot zone are arranged in the total hot zone, and the first cold zone, the first hot zone, the second cold zone and the second hot zone are sequentially arranged around the circumference of the plate roller body.
By adopting the technical scheme, the first cold area and the second cold area are arranged up and down symmetrically along the horizontal central axis of the end face of the plate roller body, and the bending deformation caused by cold shrinkage depression of the first cold area and the second cold area which are arranged up and down symmetrically can be offset with each other according to the physical characteristic of 'expansion with heat and contraction with cold' of steel; the first hot area and the second hot area are symmetrically arranged along the vertical central axis of the end surface of the plate roller body left and right, and bending deformation caused by thermal expansion bulges of the first hot area and the second hot area which are symmetrically arranged left and right is offset with each other.
In the step B, a set of first cold oil groups extending along the axial direction of the plate roller body is respectively disposed in the first cold area and the second cold area, the first hot area and the second hot area respectively include two sets of first hot oil groups extending along the axial direction of the plate roller body, and the two first hot oil groups are uniformly disposed between the two adjacent first cold oil groups.
In the step B, a first upper cooling oil duct and a first lower cooling oil duct which are arranged along the axial direction of the plate roller body are arranged in the first cooling oil group, the first upper cooling oil duct and the first lower cooling oil duct are connected through the first cooling oil duct, a first upper cooling oil hole which is located on the end face of the plate roller body is arranged on the first upper cooling oil duct, and a first lower cooling oil hole which is located on the end face of the plate roller body is arranged on the first lower cooling oil duct.
In the step B, the first upper cold oil hole and the first lower cold oil hole are both located on the same side surface of the plate roller body.
In the step B, the first hot oil assembly includes a first upper hot oil duct, a first middle hot oil duct and a first lower hot oil duct which are axially arranged along the plate roller body, the first upper hot oil duct is connected with the first middle hot oil duct through a first hot oil duct, the first middle hot oil duct is connected with the first lower hot oil duct through a second hot oil duct, and a first upper hot oil hole is formed in the first upper hot oil duct and located on an end face of the plate roller body.
In the step B, a first lower hot oil hole is formed in the first lower hot oil channel and is located on the end surface of the plate roller body, which is far away from the first upper hot oil hole.
In the step B, the first cold area and the second cold area are uniformly distributed around the circumference of the central axis of the plate roller body, and the first hot area and the second hot area are uniformly distributed around the circumference of the central axis of the plate roller body.
The invention is further provided with that the plate roller body and the mould pressing roller are respectively rolled and pressed on the left side and the right side of the mould pressing product line along the feeding direction, the cooling roller is reversely rolled and pressed on the side wall of the mould pressing roller far away from the plate roller body relative to the mould pressing roller, the central axes of the cooling roller, the mould pressing roller and the plate roller body are on the same plane, the cooling roller and the mould pressing roller are pressed on the plate roller body together after the cooling roller is pressed on the mould pressing roller after being subjected to thrust, so as to form the plate roller body, the mould pressing roller and the cooling roller in opposite pressing, and the mould pressing product line passes through the space between the plate roller body and the mould pressing roller.
In conclusion, the invention has the following beneficial effects:
1. the problem that certain special process nickel plates have natural flaw birthmarks in production is solved, and the quality of products is guaranteed;
2. the seamless printing roller can be processed, and the pressed product has no flaw and memory;
3. the bending deformation degree can be greatly improved, and the whipping of the plate roller body is correspondingly small, so that the film moving and translation stability of the plate roller body can be greatly improved;
4. can improve the product quality and yield and correspondingly reduce the energy consumption.
In general, the invention solves the problem that some products with natural flaw birthmarks on nickel plates in special processes in production, ensures the quality of the products, can process seamless type plate rollers, ensures that the pressed products have no flaw birthmarks, can improve the quality and the yield of the products and correspondingly reduce the energy consumption.
Drawings
Fig. 1 is a schematic view showing the development of a plate roller body in the present embodiment;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is an enlarged view at B in FIG. 1;
FIG. 4 is an enlarged view at C of FIG. 1;
FIG. 5 is an enlarged view at D of FIG. 1;
FIG. 6 is a diagram showing the relationship between the plate roller body, the embossing roller, and the cooling roller and the molded product line in the present embodiment;
fig. 7 is an enlarged view at F in fig. 6.
Reference numerals: 1. a first cold zone; 2. a first thermal zone; 3. a first cooling oil group; 31. a first upper cooling oil passage; 32. a first lower cooling gallery; 4. a first subcooled oil conduit; 5. a first upper cold oil hole; 6. a first lower cold oil hole; 7. a first hot oil group; 71. a first upper hot oil gallery; 72. a first transfer hot oil duct; 73. a first lower hot oil gallery; 8. a first superheated oil conduit; 9. a second superheated oil conduit; 10. a first upper hot oil hole; 11. a first lower hot oil hole; 12. the printing roller body; 13. a second cold zone; 14. a second thermal zone; 15. eliminating a plate seam cold area; 16. a total hot zone; 17. a molding roller; 18. a cooling roll; 19. molding a product line; 20. the space between plate seams; 21. a nickel plate; 22. and (6) an adhesive layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): as shown in fig. 1 to 7, a method for processing a seamless type embossing roll includes the following steps:
step A, oppositely pressing a plate roller body 12, a mould pressing roller 17 and a cooling roller 18 on a mould pressing product line 19; the plate roller body 12 and the die pressing roller 17 are respectively rolled and pressed on the left side and the right side of a die pressing product line 19 along the feeding direction, the cooling roller 18 is reversely rolled and pressed on the side wall of the die pressing roller 17 far away from the plate roller body 12 relative to the die pressing roller 17, the central axes of the cooling roller 18, the die pressing roller 17 and the plate roller body 12 are on the same plane, after the cooling roller 18 is pressed on the die pressing roller 17 after being pushed, the cooling roller 18 and the die pressing roller 17 are pressed on the plate roller body 12 together to form opposite pressing of the plate roller body 12, the die pressing roller 17 and the cooling roller 18, and the die pressing product line 19 passes through the space between the plate roller body 12 and the die pressing roller 17.
Step B, arranging total hot areas 16 distributed around the circumference of the central axis of the plate roller body 12 in the plate roller body 12, and correspondingly forming hot surfaces on the circumferential surface of the plate roller body 12 respectively;
step C, at least two nickel plates 21 are sequentially covered on the hot surface, and plate gap intervals 20 corresponding to the number of the nickel plates 21 are formed between every two adjacent nickel plates 21; in this embodiment, the number of nickel plates 21 is two, and the number of plate-removing seam-cooling areas 15 is two. The nickel plate 21 is covered, adhered, covered and fixed on the surface of the plate roller body by an adhesive layer 22(3M glue).
And D, arranging a plate seam cold eliminating area 15 covering the range of the plate seam distance 20 in the plate roller body 12, so that a plate seam cold eliminating surface for eliminating the seam between the adjacent nickel plates 21 is formed on the circumferential outer surface of the plate roller body 12. A first cold area 1 and a second cold area 13 are arranged in the plate-removing seam cold area 15, a first hot area 2 and a second hot area 14 are arranged in the total hot area 16, and the first cold area 1, the first hot area 2, the second cold area 13 and the second hot area 14 are sequentially arranged around the circumference of the plate roller body 12.
The first cold area 1 and the second cold area 13 are respectively provided with a group of first cold oil groups 3 extending along the axial direction of the plate roller body 12, the first hot area 2 and the second hot area 14 respectively comprise two groups of first hot oil groups 7 extending along the axial direction of the plate roller body 12, and the two first hot oil groups 7 are uniformly distributed between the two adjacent first cold oil groups 3.
A first upper cooling oil channel 31 and a first lower cooling oil channel 32 which are axially arranged along the plate roller body 12 are arranged in the first cooling oil group 3, the first upper cooling oil channel 31 and the first lower cooling oil channel 32 are connected through a first cooling oil channel 4, a first upper cooling oil hole 5 which is positioned on the end surface of the plate roller body 12 is arranged on the first upper cooling oil channel 31, and a first lower cooling oil hole 6 which is positioned on the end surface of the plate roller body 12 is arranged on the first lower cooling oil channel 32. And (3) positioning the first upper cold oil hole 5 and the first lower cold oil hole 6 on the same side surface of the plate roller body 12.
The first hot oil group 7 comprises a first upper hot oil channel 71, a first transfer hot oil channel 72 and a first lower hot oil channel 73 which are axially arranged along the plate roller body 12, the first upper hot oil channel 71 and the first transfer hot oil channel 72 are connected through a first superheated oil channel 8, the first transfer hot oil channel and the first lower hot oil channel 73 are connected through a second superheated oil channel 9, and a first upper hot oil hole 10 located on the end face of the plate roller body 12 is formed in the first upper hot oil channel 71. The first lower hot oil gallery 73 is provided with a first lower hot oil hole 11 which is located on the end surface of the plate roller body 12 far away from the first upper hot oil hole 10. The first cold zone 1 and the second cold zone 13 are uniformly distributed around the circumference of the central axis of the plate roller body 12, and the first hot zone 2 and the second hot zone 14 are uniformly distributed around the circumference of the central axis of the plate roller body 12.
In the present embodiment, the plate roll body 12 is a driving roll, the die roll 17 and the cooling roll 18 are driven rolls, and the die product line 19 is arranged with a film product along the feeding direction. The plate roller body 12 is a driving roller which is dragged and actively rotates along the central axis of the plate roller body 12, and the central axis of the plate roller body 12 in the rotation direction is fixedly arranged; the molded product line 19 advances after being pulled by the plate roller body 12, because the molding roller 17 and the cooling roller 18 are driven rollers without being pulled, and passively rotates after being pulled by the plate roller body 12 and the molded product line 19, but the central axes of the molding roller 17 and the cooling roller 18 in the rotating direction are movably arranged.
The nickel plate 21 in the scheme is a flawless lettering nickel plate 21. The traditional printing roller can not solve the problem of products with the flaw lettering, and the printing roller body 12 of the scheme is spliced into a flawless lettering complete nickel plate 21 with two plate seams by cutting two nickel plates 21 with the flaw lettering part, so that the pressed products have no flaw lettering (because the two plate seams are also processed, no plate seam exists). Secondly, the two plate seam-eliminating cold areas 15 are mutually independent, and the two total hot areas 16 are mutually independent and do not influence each other. Therefore, the deformation bending of the plate roll during heating and cooling operations is small.
Compared with the traditional plate roller body 12, the bending deformation degree (deformation amount) of the plate roller body 12 can be greatly improved, and the throwing of the plate roller body 12 is correspondingly small, so that the film-moving translation stability of the plate roller body 12 can be greatly improved, the product quality and the yield can be improved, and the energy consumption can be correspondingly reduced.
Therefore, the first cold area 1 and the second cold area 13 are arranged up and down symmetrically along the horizontal central axis of the end surface of the plate roller body 12, and the bending deformation caused by cold shrinkage depression of the first cold area 1 and the second cold area 13 which are arranged up and down symmetrically can be offset with each other according to the physical characteristics of 'hot expansion and cold shrinkage' of steel; the first hot area 2 and the second hot area 14 are symmetrically arranged along the vertical central axis of the end surface of the plate roller body 12, and the bending deformation caused by the thermal expansion bulges of the first hot area 2 and the second hot area 14 which are symmetrically arranged on the left and right sides are mutually offset.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (10)
1. A processing method of a seamless type embossing roller is characterized in that: the method comprises the following steps:
step A, oppositely pressing a plate roller body, a mold pressing roller and a cooling roller on a mold pressing product line;
b, arranging total hot areas distributed around the circumference of the central axis of the plate roller body in the plate roller body so as to form hot surfaces on the circumferential surface of the plate roller body correspondingly;
and C: at least two nickel plates are sequentially covered on the hot surface, and plate seam intervals corresponding to the number of the nickel plates are formed between every two adjacent nickel plates;
and D, arranging a plate seam cold eliminating area covering the range of the plate seam distance in the plate roller body, so that a plate seam cold eliminating surface for eliminating the seam between the adjacent nickel plates is formed on the circumferential outer surface of the plate roller body.
2. The method for processing the seamless type embossing roller according to the claim 1, wherein in the step C, the number of the nickel plates is two, and the number of the plate-eliminating seam cold areas is two.
3. The method according to claim 1, wherein in the step B, a first cold zone and a second cold zone are provided in the plate-elimination seam cold zone, a first hot zone and a second hot zone are provided in the total hot zone, and the first cold zone, the first hot zone, the second cold zone, and the second hot zone are sequentially arranged around the circumference of the plate roller body.
4. The method according to claim 3, wherein in step B, a set of first cold oil groups extending along the axial direction of the plate roll body is disposed in each of the first cold zone and the second cold zone, each of the first hot zone and the second hot zone includes two sets of first hot oil groups extending along the axial direction of the plate roll body, and two sets of the first hot oil groups are disposed between two adjacent sets of the first cold oil groups.
5. The method for processing the seamless stamping roller according to claim 4, wherein in the step B, a first upper cooling oil passage and a first lower cooling oil passage are arranged in the first cooling oil group along the axial direction of the roller body, the first upper cooling oil passage and the first lower cooling oil passage are connected through the first cooling oil passage, the first upper cooling oil passage is provided with a first upper cooling oil hole located at the end face of the roller body, and the first lower cooling oil passage is provided with a first lower cooling oil hole located at the end face of the roller body.
6. The method for processing the seamless stamping roller according to claim 5, wherein in the step B, the first upper cold oil hole and the first lower cold oil hole are both located on the same side surface of the roller body.
7. The method for processing the seamless stamping roller according to claim 4, wherein in the step B, the first hot oil group comprises a first upper hot oil duct, a first middle hot oil duct and a first lower hot oil duct which are arranged along the axial direction of the roller body, the first upper hot oil duct and the first middle hot oil duct are connected through a first hot oil duct, the first middle hot oil duct and the first lower hot oil duct are connected through a second hot oil duct, and a first upper hot oil hole is formed in the first upper hot oil duct and located in an end face of the roller body.
8. The method according to claim 7, wherein in the step B, a first lower oil hole is formed in the first lower oil passage and located at an end surface of the plate roller body away from the first upper oil hole.
9. The method for processing the seamless stamping roller according to claim 3, wherein in the step B, the first cold zone and the second cold zone are uniformly distributed around the circumference of the central axis of the roller body, and the first hot zone and the second hot zone are uniformly distributed around the circumference of the central axis of the roller body.
10. The method for manufacturing the seamless type embossing roller according to claim 1, wherein in the step a, the roller body and the embossing roller are respectively rolled and pressed on the left side and the right side of the embossing product line along the feeding direction, the cooling roller is rolled and pressed on the side wall of the embossing roller away from the roller body in the opposite direction of the embossing roller, the central axes of the cooling roller, the embossing roller and the roller body are on the same plane, the cooling roller and the embossing roller are pressed together on the roller body after the cooling roller is pressed on the embossing roller after receiving the thrust force, so as to form the roller body, the embossing roller and the cooling roller in opposite directions, and the embossing product line passes through the space between the roller body and the embossing roller.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020116250534 | 2020-12-31 | ||
| CN202011625053 | 2020-12-31 |
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| Publication Number | Publication Date |
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| CN113147159A true CN113147159A (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110073917.4A Pending CN113147159A (en) | 2020-12-31 | 2021-01-20 | Processing method of seamless type stamping roller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115230314A (en) * | 2022-07-29 | 2022-10-25 | 湖北华工图像技术开发有限公司 | Die pressing structure of single-plate seamless bright silver-bottom special laser film |
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| CN101274578A (en) * | 2008-04-29 | 2008-10-01 | 汕头市东风印刷厂有限公司 | Laser holograph mould pressing device |
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Application publication date: 20210723 |