CN112918075B - Dislocation printing device and adjustable dislocation printing roller thereof - Google Patents
Dislocation printing device and adjustable dislocation printing roller thereof Download PDFInfo
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- CN112918075B CN112918075B CN202110099087.2A CN202110099087A CN112918075B CN 112918075 B CN112918075 B CN 112918075B CN 202110099087 A CN202110099087 A CN 202110099087A CN 112918075 B CN112918075 B CN 112918075B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F11/00—Rotary presses or machines having forme cylinders carrying a plurality of printing surfaces, or for performing letterpress, lithographic, or intaglio processes selectively or in combination
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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
- B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2217/00—Printing machines of special types or for particular purposes
- B41P2217/10—Printing machines of special types or for particular purposes characterised by their constructional features
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2217/00—Printing machines of special types or for particular purposes
- B41P2217/50—Printing presses for particular purposes
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- Mechanical Engineering (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The invention discloses an adjustable dislocation printing roller and a dislocation printing device with the adjustable dislocation printing roller, wherein the dislocation printing device comprises: a body; the feeding assembly comprises a jacking roller; according to the adjustable dislocation printing roller in the embodiment of the first aspect, a printing gap is arranged between the jacking roller and the adjustable dislocation printing roller; the inking assembly is close to the staggered printing roller and can be used for smearing ink on the main printing surface; a winding shaft; a drying assembly; the jacking roller, the adjustable staggered printing roller, the inking assembly, the winding shaft and the drying assembly are all arranged on the machine body. The invention adopts a staggered printing mode, avoids the connection of patterns of two adjacent printing surfaces, ensures that the whole layout is cleaner and more accurate, improves the printing quality in the parallel production of the production line, improves the product yield and is convenient to maintain and adjust.
Description
Technical Field
The invention relates to the technical field of packaging film printing, in particular to a dislocation printing device and an adjustable dislocation printing roller thereof.
Background
Because the width of the original film of the packaging film is wide, and the width of the final required product is relatively narrow, generally speaking, two rows, three rows or even more product films can be simultaneously produced from one original film, and a single product is formed by final cutting. In the process, a plurality of side-by-side printing surfaces are arranged on a printing cylinder, and patterns required by packaging film products are printed on the product films, but in the printing process of the existing printing device, the patterns in a plurality of rows are linearly arranged along the same transverse direction of the printing cylinder in the circumferential direction, a joint part is easily generated between two adjacent patterns, ink is easily connected between the two patterns, so that defective products are generated, and the product passing rate is not high.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the adjustable staggered printing roller which can adjust the position of each printing surface on the printing roller, so that each printing surface is adjusted to a proper position without influencing each other, the printing precision of a packaging film is improved, and the production and qualification rate of products is improved.
The invention also provides a dislocation printing device with the adjustable dislocation printing roller.
An adjustable offset printing roll according to an embodiment of a first aspect of the invention comprises: a main shaft; the printing device comprises a main shaft, a first printing cylinder, a second printing cylinder and a third printing cylinder, wherein the first printing cylinder, the second printing cylinder and the third printing cylinder are radially stacked on the main shaft from inside to outside; the dislocation adjusting component comprises a dislocation driving mechanism, a transverse driving mechanism and an adjusting mechanism, wherein the adjusting mechanism comprises an adjusting disc and at least one telescopic clutch block arranged on the adjusting disc, the first printing cylinder, the second printing cylinder and the third printing cylinder are respectively provided with a first clutch groove, a second clutch groove and a third clutch groove, the first clutch groove, the second clutch groove and the third clutch groove are arranged in a staggered way in the radial direction and are positioned at different positions in the axial direction of the main shaft, the transverse driving mechanism is connected with the adjusting disk and drives the adjusting disk to axially move on the main shaft, the telescopic clutch block can be stretched and contracted and is buckled into the first clutch groove, the second clutch groove or the third clutch groove under the adjustment of the transverse driving mechanism, and the dislocation driving mechanism is connected with the adjusting disc and drives the adjusting disc to rotate.
The adjustable dislocation printing roller provided by the embodiment of the invention at least has the following beneficial effects: utilize flexible separation and reunion piece, clutch disc and clutch groove constitute clutch, cooperation transverse driving mechanism makes dislocation actuating mechanism promote first printing cylinder alone, the relative main shaft of second printing cylinder and third printing cylinder rotates, thereby adjust the relative position between the three printing cylinder, make each sub printing face on the main printing face stagger each other, design benefit, can adjust the angle of staggering of three printing cylinder according to printing needs and the design of printing face, the printing ink of having avoided between the adjacent sub printing face influences each other, lead to the printing ink to cross the border, reduce the production of defect product, improve production and qualification rate, the mode of packaging film dislocation printing has not only been realized, can also carry out reasonable adjustment according to the design of printing face, the printing quality of packaging film has been guaranteed.
According to some embodiments of the invention, the first, second and third clutch grooves are all disposed on the same side of the first, second and third printing cylinders and are arranged stepwise outside the main shaft.
According to some embodiments of the invention, the telescoping clutch block includes a first telescoping portion, a second telescoping portion, and a third telescoping portion, the first telescoping portion being telescopically disposed on the second telescoping portion, the second telescoping portion being telescopically disposed on the third telescoping portion.
According to some embodiments of the present invention, the printing machine further comprises a shaping assembly, the shaping assembly includes a fixing plate, a tightening end cover, a locking member and an adapting portion, the adapting portion and the fixing plate are respectively and fixedly connected to two ends of the spindle, the fixing plate abuts against an outer side of the third printing cylinder, the tightening end cover is disposed on the adapting portion and abuts against an outer side of the first printing cylinder, the locking member is disposed on the adapting portion and enables the tightening end cover to tighten against the first printing cylinder, and the first printing cylinder, the second printing cylinder and the third printing cylinder are tightened between the fixing plate and the tightening end cover.
According to some embodiments of the invention, the locking member is screwed on the adapter part, a limiting plate is fixedly arranged outside the adapter part, and the locking member moves between the tightening end cover and the limiting plate.
According to some embodiments of the present invention, a first joint surface and a second joint surface are disposed between the first printing cylinder and the second printing cylinder, and a resilient separation structure is disposed between the first joint surface and the second joint surface, the resilient separation structure includes a joint groove, a resilient ring, and a butt flange, the resilient ring is disposed in the joint groove, the butt flange is capable of pressing the resilient ring and being inserted into the joint groove, the joint groove is disposed on the first joint surface, and the butt flange is disposed on the second joint surface.
According to some embodiments of the invention, the engaging groove is provided with a notch on both sides thereof with a stopper portion that restricts the elastic ring within the engaging groove.
According to some embodiments of the invention, the number of the first clutch grooves, the number of the second clutch grooves and the number of the third clutch grooves are three, and the first clutch grooves, the second clutch grooves and the third clutch grooves are respectively and uniformly arranged on the first printing cylinder, the second printing cylinder and the third printing cylinder in an annular manner around the axis of the main shaft, and the number of the telescopic clutch blocks is three correspondingly and uniformly arranged on the adjusting disc in an annular manner.
The offset printing apparatus according to an embodiment of the second aspect of the present invention includes: a body; the feeding assembly comprises a jacking roller; according to the adjustable dislocation printing roller in the embodiment of the first aspect, a printing gap is arranged between the jacking roller and the adjustable dislocation printing roller; the inking assembly is close to the adjustable staggered printing roller and can be used for smearing ink on the main printing surface; a winding shaft; a drying assembly; the jacking roller, the printing roller with the adjustable dislocation, the inking assembly, the winding shaft and the drying assembly are all arranged on the machine body.
According to the dislocation printing device provided by the embodiment of the invention, at least the following beneficial effects are achieved: the mode of dislocation printing is adopted, the patterns of two adjacent sub-printing surfaces are prevented from being connected, the whole layout is neater and more accurate, the printing quality of the assembly line in parallel production is improved, the product yield and the qualification rate are improved, and the maintenance and the adjustment are convenient.
According to some embodiments of the present invention, the inking assembly includes an ink tank and an inking cylinder disposed in the ink tank, the inking cylinder is close to the offset printing roller and can abut against the main printing surface, the ink tank is provided with an inking channel and an ink return pipe, the inking channel and the ink return pipe are respectively disposed on two sides of the ink tank, and a horizontal plane of the inking channel is higher than a horizontal plane of the ink return pipe.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of a cross printing apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of the internal structure of the adjustable offset printing roll shown in FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic view of the engagement of a telescoping clutch block with a first clutch slot in the adjustable offset print roller shown in FIG. 2;
FIG. 5 is a schematic view of the engagement of a telescoping clutch block with a second clutch slot in the adjustable offset print roller shown in FIG. 2;
fig. 6 is a schematic structural view of a telescopic clutch block in the adjustable offset printing roller shown in fig. 2 engaged with a third clutch groove.
The attached drawings are marked as follows:
a main shaft 100;
a first printing cylinder 200, a first printing surface 210, a first connecting cylinder 220, a first engaging groove 230;
a second printing cylinder 300, a second printing surface 310, a second connecting cylinder 320, and a second engaging groove 330;
a third printing cylinder 400, a third printing surface 410, a third connecting cylinder 420, and a third engaging groove 430;
a dislocation driving mechanism 510, a transverse driving mechanism 520, an adjusting plate 530, a telescopic clutch block 540, a first telescopic part 541, a second telescopic part 542, and a third telescopic part 543;
the fixing plate 610, the abutting end cover 620, the locking member 630, the adapting part 640 and the limiting plate 641;
the elastic separation structure 700, the joint groove 710, the limiting part 711, the elastic ring 720 and the abutting convex edge 730;
the printing device comprises a machine body 800, a feeding assembly 810, a jacking roller 811, an adjustable offset printing roller 820, a printing gap 830, an inking assembly 840, an ink groove 841, an inking roller 842, an inking channel 843, an ink return pipe 844, a winding shaft 850 and a drying assembly 860.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and larger, smaller, larger, etc. are understood as excluding the present number, and larger, smaller, inner, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 6, an adjustable offset printing roll according to an embodiment of the first aspect of the present invention is described below.
As shown in fig. 1 to 6, an adjustable offset printing roller includes a main shaft 100, a first printing cylinder 200, a second printing cylinder 300, a third printing cylinder 400 and an offset adjustment assembly, wherein the first printing cylinder 200, the second printing cylinder 300 and the third printing cylinder 400 are radially stacked on the main shaft 100 from inside to outside, that is, the first printing cylinder 200 is disposed on the main shaft 100 and can rotate on the main shaft 100, referring to fig. 2, the second printing cylinder 300 is rotatably disposed on the first printing cylinder 200, the first printing cylinder 200 includes a first connection cylinder 220 and a first printing surface 210 disposed on the first connection cylinder 220, the first connection cylinder 220 has a length slightly shorter than that of the main shaft 100, the first printing surface 210 is located at the right side of the first connection cylinder 220, the second printing cylinder 300 includes a second connection cylinder 320 and a second printing surface 310 disposed on the second connection cylinder 320, the second connection cylinder 320 is rotatably connected to the first connection cylinder 220, the second printing surface 310 is located at the right side of the second connection cylinder 320, is close to the first printing surface 210, and is located at the left side of the first printing surface 210, the third printing cylinder 400 includes a third connection cylinder 420 and a third printing surface 410 disposed on the third connection cylinder 420, the third connection cylinder 420 is rotatably connected to the second connection cylinder 320, the third printing surface 410 is located at the left side of the second printing surface 310, and the first printing surface 210, the second printing surface 310, and the third printing surface 410 are transversely arranged from right to left in sequence and form a main printing surface.
The dislocation adjusting component comprises a dislocation driving mechanism 510, a transverse driving mechanism 520 and an adjusting structure, the adjusting mechanism comprises an adjusting disc 530 and at least one telescopic clutch block 540 arranged on the adjusting disc 530, the adjusting disc 530 is sleeved outside the main shaft 100, can move along the axial direction of the main shaft 100 and can rotate on the main shaft 100, the telescopic clutch block 540 can be telescopic to realize lengthening or shortening, a first clutch groove 230, a second clutch groove 330 and a third clutch groove 430 are respectively arranged on the first printing cylinder 200, the second printing cylinder 300 and the third printing cylinder 400, the first clutch groove 230 is used for connecting the dislocation adjusting component with the first printing cylinder 200, the second clutch groove 330 is used for connecting the dislocation adjusting component with the second printing cylinder 300, the third clutch groove 430 is used for connecting the dislocation printing adjusting component with the third printing cylinder 400, the first clutch groove 230, the second clutch groove 330 and the third clutch groove 430 are radially staggered and are positioned at different positions in the axial direction of the main shaft 100, the first connecting cylinder 220 is contracted inwards by one section on the main shaft 100, the second connecting cylinder 320 is extended outwards by one section relative to the axial direction of the first connecting cylinder 220, meanwhile, the third connecting cylinder 420 is also extended outwards by one section relative to the axial direction of the second connecting cylinder 320, the first clutch groove 230, the second clutch groove 330 and the third clutch groove 430 are positioned at the same side of the first printing cylinder 200, the second printing cylinder 300 and the third printing cylinder 400 and are arranged outside the main shaft 100 in a stepped manner, so that the adjusting disc 530 can move on the main shaft 100, and the telescopic clutch block 540 is matched and buckled into the first clutch groove 230, the second clutch groove 330 or the third clutch groove 430. The transverse driving mechanism 520 is connected with the adjusting disk 530 and drives the adjusting disk 530 to move axially on the main shaft 100, the circumferential position of the adjusting disk 530 is adjusted, so that the telescopic clutch block 540 is aligned with the matched clutch groove, and the dislocation driving mechanism 510 is connected with the adjusting disk 530 and drives the adjusting disk 530 to rotate, so that the position of each printing cylinder is relatively adjusted, and each printing surface is staggered.
In specific implementation, referring to fig. 4 to 6, when the first printing cylinder 200 is adjusted, the misalignment driving mechanism 510 rotates the adjustment disc 530 to align the retractable clutch block 540 with the first clutch groove 230, the transverse driving mechanism 520 pushes the adjustment disc 530 to move toward the first printing cylinder 200, and the retractable clutch block 540 is buckled into the first clutch groove 230, and the misalignment driving mechanism 510 rotates the first printing cylinder 200 to adjust the relative position of the first printing cylinder 200; when the second printing cylinder 300 is adjusted, the telescopic clutch block 540 extends to a length that can be matched with the second clutch groove 330, the dislocation driving mechanism 510 rotates the adjusting disc 530 to enable the telescopic clutch block 540 to be aligned with the second clutch groove 330, the transverse driving mechanism 520 pushes the adjusting disc 530 to enable the telescopic clutch block 540 to be buckled in the second clutch groove 330, and the dislocation driving mechanism 510 rotates the second printing cylinder 300 to adjust the relative position of the second printing cylinder 300; the third printing cylinder 400 is adjusted in the same way, and the telescopic clutch block 540 is extended continuously to be matched and buckled in the third clutch groove 430, so that the rotation adjustment is realized.
In some embodiments of the present invention, the telescopic clutch block 540 includes a first telescopic portion 541, a second telescopic portion 542 and a third telescopic portion 543, the first telescopic portion 541 is telescopically disposed on the second telescopic portion 542, the second telescopic portion 542 is telescopically disposed on the third telescopic portion 543, the first telescopic portion 541, the second telescopic portion 542 and the third telescopic portion 543 are arranged in an overlapping and inward-contracting manner, and can be driven by a telescopic member on the adjustment plate 530, the telescopic member may be an electric telescopic rod, and is inserted into the first telescopic portion 541 and ejects the first telescopic portion 541 and the second telescopic portion 542, and the telescopic clutch block 540 is in a first length, a second length and a third length, and is respectively engaged and buckled in the first clutch groove 230, the second clutch groove 330 and the third clutch groove 430. In addition, the retractable clutch block 540 may be other automatic retractable components on the market, and may be engaged in different engaging grooves by automatic length adjustment.
In some embodiments of the present invention, a fixing assembly is further included, and after the adjustment of the misalignment adjusting assembly is completed, the fixing assembly is configured to fix the relative position of each printing cylinder in the adjustment position, so that the main printing surface rotates along with the main shaft 100 to print the packaging film. The shaping assembly comprises a fixing plate 610, a tightening end cover 620, a locking member 630 and an adapter 640, the adapter 640 and the fixing plate 610 are respectively and fixedly connected to two ends of the spindle 100, the fixing plate 610 and the adapter 640 can be fixed on the spindle 100 in a key connection or screw connection mode, the right side of the fixing plate 610 abuts against the left side of the third printing cylinder 400, the tightening end cover 620 is arranged on the adapter 640 and sleeved on the circumferential position of the adapter 640, the left side of the tightening end cover 620 abuts against the right side of the first printing cylinder 200, the locking member 630 is arranged on the adapter 640 and can lock the tightening end cover 620, so that the tightening end cover 620 tightly abuts against the first printing cylinder 200 and provides tightening force, the first printing cylinder 200, the second printing cylinder 300 and the third printing cylinder 400 tightly abut against the fixing plate 610 and the tightening end cover 620, and the relative positions among the first printing cylinder 200, the second printing cylinder 300 and the third printing cylinder 400 are fixed, the first printing surface 210, the second printing surface 310, and the third printing surface 410 are fixed, and the packaging film can be printed as the spindle 100 rotates.
Specifically, retaining member 630 threaded connection is on switching portion 640, be equipped with the external screw thread on switching portion 640, be equipped with the internal thread that is connected with the external screw thread on the retaining member 630, retaining member 630 removes and locks the tight end cover 620 in top through screw-thread fit on switching portion 640, the fixed limiting plate 641 that is provided with in the outside of switching portion 640, limiting plate 641 accessible screw connection's mode fixed connection is on switching portion 640, be used for preventing retaining member 630 from breaking away from switching portion 640, retaining member 630 removes between the tight end cover 620 in top and limiting plate 641. It should be noted that the adapter 640 is rotatably connected to the machine body 800 as a right end of the main shaft 100 instead of the connecting portion.
More specifically, a first joint surface and a second joint surface are disposed between the first printing cylinder 200 and the second printing cylinder 300, and between the second printing cylinder 300 and the third printing cylinder 400, and because the first printing cylinder 200, the second printing cylinder 300 and the third printing cylinder 400 are adjacently disposed, two joint locations exist between the first printing cylinder 200, the second printing cylinder 300 and the third printing cylinder 400, the two joint locations are composed of the first joint surface and the second joint surface, the first joint surface is disposed on the right side of the second printing cylinder 300 and the right side of the third printing cylinder 400, the second joint surface is disposed on the left side of the first printing cylinder 200 and the left side of the second printing cylinder 300, an elastic separation structure 700 is disposed between the first joint surface and the second joint surface, i.e., the joint location, the elastic separation structure 700 includes a joint groove 710, an elastic ring 720 and a joint convex edge 730, the elastic ring 720 is disposed in the joint groove, the joint location can press the elastic ring 720 and connect to the joint groove 710, so that the first joint surface is joined to the second joint surface, engagement groove 710 is provided on the first engagement surface and abutment bead 730 is provided on the second engagement surface. It should be noted that the engaging groove 710 is an annular groove, the abutting flange 730 is an annular flange, and the elastic ring 720 is connected to the engaging groove 710 by a compression spring and achieves the elastic expansion and contraction performance of the elastic ring 720 in the engaging groove 710. When the locking member 630 is released, the elastic ring 720 pushes out the annular convex edge under the elastic action, so that the two adjacent printing cylinders are separated, the mutual rotation does not affect each other, and the adjustment process of the dislocation adjustment assembly is facilitated.
Further, the two sides of the notch of the engaging groove 710 are provided with a limiting portion 711, and the limiting portion 711 may be disposed on the engaging groove 710 by means of screw connection, so as to limit the elastic ring 720 in the engaging groove 710.
In some embodiments of the present invention, three first clutch grooves 230, three second clutch grooves 330 and three third clutch grooves 430 are provided, and are uniformly and annularly provided on the first printing cylinder 200, the second printing cylinder 300 and the third printing cylinder 400 around the axis of the spindle 100, respectively, and three telescopic clutch blocks 540 are correspondingly provided and uniformly and annularly provided on the adjustment disc 530, and the three telescopic clutch blocks 540 cooperate to drive the printing cylinders to rotate, so that the load on the telescopic clutch blocks 540 can be reduced, and the rotational balance can be improved. In addition, the telescopic clutch block 540 and the clutch groove can be accurately aligned by an induction device such as an infrared sensor.
The transverse driving mechanism 520 can be a small motor and a lead screw structure, the small motor drives the adjusting disc 530 to move through the lead screw, the dislocation driving mechanism 510 can be a wheel-side motor, the transverse driving mechanism 520 is arranged on the dislocation driving mechanism 510, namely the small motor is arranged on the transverse driving mechanism 520, and the transverse driving mechanism 520 can be connected with the adjusting disc 530 through a telescopic connecting rod so as to drive the adjusting disc 530 to move. Of course, the lateral drive mechanism 520 and the misalignment drive mechanism 510 may be implemented with other drive mechanisms on the market for lateral adjustment and rotation.
The following describes a misalignment printing apparatus according to an embodiment of the present invention with reference to fig. 1.
The utility model provides a dislocation printing device, including organism 800, material loading subassembly 810, adjustable dislocation printing roller 82, inking subassembly 840, rolling axle 850 and stoving subassembly 860 all set up on organism 800, material loading subassembly 810 includes top tight roller 811, top tight roller 811 sets up in the position that is close to adjustable dislocation roller to and form printing clearance 830 between the adjustable dislocation roller, the packaging film top is tight on top tight roller 811 and passes in the printing clearance 830, adjustable printing roller carries out the printing ink to the packaging film that passes printing clearance 830 after gluing the printing ink. The inking assembly 840 is used to ink the adjustable printing roller, adjacent to the offset printing roller and capable of applying ink to the main printing surface.
Specifically, the inking assembly 840 comprises an ink tank 841 and an inking roller 842 arranged in the ink tank 841, the inking roller 842 is close to a staggered printing roller and can be abutted to a main printing surface, ink is contained in the ink tank 841, the bottom of the inking roller 842 is soaked in the ink when rotating, the ink is smeared on the adjustable staggered printing roller 82 when the staggered printing roller is abutted, an inking channel 843 and an ink return pipe 844 are arranged on the ink tank 841, the inking channel 843 and the ink return pipe 844 are respectively arranged on two sides of the ink tank 841, and the level of the inking channel 843 is higher than the level of the ink return pipe 844, so that the ink is recovered from the ink return pipe 844 and cannot flow back to the inking channel 843. The ink returning structure is simple, the realization is easy, the ink can be recovered, and the pollution and the waste are avoided.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (7)
1. An adjustable offset printing roll, comprising:
a main shaft (100);
the printing device comprises a first printing cylinder (200), a second printing cylinder (300) and a third printing cylinder (400), wherein the first printing cylinder (200), the second printing cylinder (300) and the third printing cylinder (400) are radially stacked on a main shaft (100) from inside to outside, a first printing surface (210), a second printing surface (310) and a third printing surface (410) are respectively arranged on the first printing cylinder (200), the second printing cylinder (300) and the third printing cylinder (400), and the first printing surface (210), the second printing surface (310) and the third printing surface (410) are transversely and sequentially arranged to form a main printing surface;
the dislocation adjusting assembly comprises a dislocation driving mechanism (510), a transverse driving mechanism (520) and an adjusting mechanism, wherein the adjusting mechanism comprises an adjusting disc (530) and at least one telescopic clutch block (540) arranged on the adjusting disc (530), the first printing cylinder (200), the second printing cylinder (300) and the third printing cylinder (400) are respectively provided with a first clutch groove (230), a second clutch groove (330) and a third clutch groove (430), the first clutch groove (230), the second clutch groove (330) and the third clutch groove (430) are arranged in a radially staggered manner and are positioned at different positions in the axial direction of the main shaft (100), the transverse driving mechanism (520) is connected with the adjusting disc (530) and drives the adjusting disc (530) to move axially on the main shaft (100), and the telescopic clutch block (540) can stretch and is fastened to the first clutch groove (230) under the adjustment of the transverse driving mechanism (520) The second clutch groove (330) or the third clutch groove (430), and the dislocation driving mechanism (510) is connected with the adjusting disk (530) and drives the adjusting disk (530) to rotate;
the telescopic clutch block (540) comprises a first telescopic part (541), a second telescopic part (542) and a third telescopic part (543), the first telescopic part (541) is telescopically arranged on the second telescopic part (542), and the second telescopic part (542) is telescopically arranged on the third telescopic part (543);
the printing roller capable of adjusting the dislocation further comprises a shaping assembly, the shaping assembly comprises a fixing plate (610), a jacking end cover (620), a locking member (630) and a switching part (640), the switching part (640) and the fixing plate (610) are fixedly connected to two ends of the spindle (100) respectively, the fixing plate (610) abuts against the outer side of the third printing cylinder (400), the jacking end cover (620) is arranged on the switching part (640) and abuts against the outer side of the first printing cylinder (200), the locking member (630) is arranged on the switching part (640) and enables the jacking end cover (620) to jack against the first printing cylinder (200), and the first printing cylinder (200), the second printing cylinder (300) and the third printing cylinder (400) are enabled to jack against a position between the fixing plate (610) and the jacking end cover (620);
first printing section of thick bamboo (200) with second printing section of thick bamboo (300), second printing section of thick bamboo (300) with be equipped with the first composition surface and the second composition surface of laminating mutually between third printing section of thick bamboo (400), be equipped with elastic separation structure (700) between first composition surface and the second composition surface, elastic separation structure (700) are including joint groove (710), elastic ring (720) and butt joint chimb (730), elastic ring (720) set up in joint groove (710), butt joint chimb (730) can suppress elastic ring (720) and insert to in joint groove (710), joint groove (710) set up on the first composition surface, butt joint chimb (730) sets up on the second composition surface.
2. The adjustable offset printing roll according to claim 1, wherein the first, second and third clutch grooves (230, 330, 430) are all disposed on the same side of the first, second and third printing cylinders (200, 300, 400) and arranged stepwise outside the spindle (100).
3. The adjustable offset printing roller according to claim 1, wherein the locking member (630) is screwed on the adapting portion (640), a limiting plate (641) is fixedly arranged on the outer side of the adapting portion (640), and the locking member (630) moves between the tightening end cover (620) and the limiting plate (641).
4. The adjustable offset printing roller according to claim 1, wherein a limiting portion (711) is provided on both sides of the notch of the engagement groove (710), and the limiting portion (711) limits the elastic ring (720) in the engagement groove (710).
5. The adjustable offset printing roller according to claim 1, wherein the number of the first clutch grooves (230), the number of the second clutch grooves (330), and the number of the third clutch grooves (430) are three, and are uniformly arranged on the first printing cylinder (200), the second printing cylinder (300), and the third printing cylinder (400) annularly around the axis of the main shaft (100), and the number of the telescopic clutch blocks (540) is three correspondingly and uniformly arranged on the adjusting disc (530).
6. A misalignment printing apparatus, comprising:
a body (800);
a loading assembly (810), the loading assembly (810) comprising a jacking roller (811);
the adjustable offset printing roller according to any of claims 1 to 5, wherein a printing gap (830) is provided between the jacking roller (811) and the adjustable offset printing roller;
an inking assembly (840) adjacent to the adjustable offset printing roller and capable of applying ink to the primary printing surface;
a take-up reel (850);
a drying assembly (860);
the jacking roller (811), the adjustable staggered printing roller, the inking assembly (840), the winding shaft (850) and the drying assembly (860) are all arranged on the machine body (800).
7. The offset printing device according to claim 6, wherein the inking assembly (840) comprises an ink tank (841) and an inking cylinder (842) arranged in the ink tank (841), the inking cylinder (842) is close to the offset printing roller and can abut against the main printing surface, an inking channel (843) and an ink return pipe (844) are arranged on the ink tank (841), the inking channel (843) and the ink return pipe (844) are respectively arranged on two sides of the ink tank (841), and the level of the inking channel (843) is higher than the level of the ink return pipe (844).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110099087.2A CN112918075B (en) | 2021-01-25 | 2021-01-25 | Dislocation printing device and adjustable dislocation printing roller thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110099087.2A CN112918075B (en) | 2021-01-25 | 2021-01-25 | Dislocation printing device and adjustable dislocation printing roller thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112918075A CN112918075A (en) | 2021-06-08 |
| CN112918075B true CN112918075B (en) | 2022-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110099087.2A Active CN112918075B (en) | 2021-01-25 | 2021-01-25 | Dislocation printing device and adjustable dislocation printing roller thereof |
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| Country | Link |
|---|---|
| CN (1) | CN112918075B (en) |
Citations (5)
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|---|---|---|---|---|
| EP0141189A1 (en) * | 1983-09-27 | 1985-05-15 | Albert-Frankenthal AG | Inking unit for a rotary printing machine |
| JPH09262962A (en) * | 1996-03-28 | 1997-10-07 | Mikado Kako Kk | Printing apparatus |
| CN1291137A (en) * | 1998-03-30 | 2001-04-11 | 艾玛计划有限公司 | Ink feed roller for printers |
| CN104441961A (en) * | 2013-09-13 | 2015-03-25 | 小森公司 | Inking device of numbering and imprinting machine |
| CN108357190A (en) * | 2018-04-17 | 2018-08-03 | 泉州金百利包装用品有限公司 | A kind of print roller |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6895859B2 (en) * | 2003-09-23 | 2005-05-24 | Corrugated Gear & Services, Inc. | Rack-and-pinion lock-up system for attaching print carrier sheets to print rolls |
-
2021
- 2021-01-25 CN CN202110099087.2A patent/CN112918075B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0141189A1 (en) * | 1983-09-27 | 1985-05-15 | Albert-Frankenthal AG | Inking unit for a rotary printing machine |
| JPH09262962A (en) * | 1996-03-28 | 1997-10-07 | Mikado Kako Kk | Printing apparatus |
| CN1291137A (en) * | 1998-03-30 | 2001-04-11 | 艾玛计划有限公司 | Ink feed roller for printers |
| CN104441961A (en) * | 2013-09-13 | 2015-03-25 | 小森公司 | Inking device of numbering and imprinting machine |
| CN108357190A (en) * | 2018-04-17 | 2018-08-03 | 泉州金百利包装用品有限公司 | A kind of print roller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112918075A (en) | 2021-06-08 |
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Effective date of registration: 20220530 Address after: 421000 Hunan Province Hengyang City Zhuhui District new Hunan small and medium-sized enterprise entrepreneurial base Applicant after: Hunan Hengbang color printing packaging Co.,Ltd. Address before: 519185 Industrial Zone, Xinhuan village, Baijiao Town, Doumen District, Zhuhai City, Guangdong Province Applicant before: ZHUHAI WANGLIN PACKAGING MATERIAL CO.,LTD. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A misalignment printing device and its adjustable misalignment printing roller Effective date of registration: 20230922 Granted publication date: 20220614 Pledgee: Hengyang Branch of China Everbright Bank Co.,Ltd. Pledgor: Hunan Hengbang color printing packaging Co.,Ltd. Registration number: Y2023980058120 |