CN113858784A - Environment-friendly wrapping bag printing system - Google Patents
Environment-friendly wrapping bag printing system Download PDFInfo
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- CN113858784A CN113858784A CN202111154702.1A CN202111154702A CN113858784A CN 113858784 A CN113858784 A CN 113858784A CN 202111154702 A CN202111154702 A CN 202111154702A CN 113858784 A CN113858784 A CN 113858784A
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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
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/02—Ducts, containers, supply or metering devices
- B41F31/03—Ink agitators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/02—Ducts, containers, supply or metering devices
- B41F31/04—Ducts, containers, supply or metering devices with duct-blades or like metering devices
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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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Abstract
The invention belongs to the technical field of printing, and particularly relates to an environment-friendly packaging bag printing system which comprises a rotary ring, a driving rod, a driven rod, a sliding sealing plate, an adjusting groove, a printing plate, a clamping groove and a clamping block, wherein the rotary ring is fixedly connected with the driving rod; the printing plate cylinder is provided with an adjusting groove, and a printing plate piece is connected in the adjusting groove in a sliding manner; two ends of the printing plate pieces are fixedly connected with sliding sealing plates; one end of each sliding sealing plate close to the center is hinged with a driven rod, and the lower end of each driven rod is hinged with a driving rod; the driving rod is fixedly connected with the rotating ring; the two rotating rings are respectively connected with two sides of the printing plate cylinder in a rotating way; clamping grooves are formed in the two sides of the printing plate cylinder; a clamping block is slidably connected to the position, corresponding to the clamping groove, on the rotating ring; the invention solves the problems that the pits on the existing plate cylinder can not be changed after being engraved with different depths, and the plate cylinder needs to be changed only if the shade layers of pictures on the packaging bag need to be changed.
Description
Technical Field
The invention belongs to the technical field of printing, and particularly relates to an environment-friendly packaging bag printing system.
Background
The packaging bag is a bag for packaging various articles, so that the goods are convenient to transport and easy to store in the production flow process. The packaging bag is widely applied to daily life and industrial production, and when the packaging bag is used, part of the packaging bag needs to be printed and processed for propaganda and decoration.
Chinese patent with application number CN201721583685.2 discloses an environmental protection printing device for medicine packing bag, including the objective table, fixed surface installs first bracing piece on the objective table, first bracing piece right side fixed mounting has first motor, first motor right side fixed mounting has the desicator, desicator below fixed mounting has air purifier, air purifier right side fixed mounting has the second bracing piece, second bracing piece upper end fixed mounting has the guide roll, guide roll right side fixed mounting has the printing box, the inside fixed mounting of printing box has the second motor, second motor top fixed mounting has the ink horn, first motor passes through wire and air purifier, desicator, second motor and control panel electric connection. This technical scheme simple structure, convenient and practical, it is effectual to print, and the harmful gas to the printing in-process production that can be fine carries out purification treatment, environmental protection, the effectual air that has purified.
Although the technical proposal carries out purification treatment on harmful gas in the printing process by utilizing an air purifier; however, the depth of the pits on the existing plate cylinder can not be changed after carving, and the plate cylinder needs to be replaced more trouble if the shade layer of the picture on the packaging bag needs to be changed; based on the technical scheme, the invention designs an environment-friendly packaging bag printing system to solve the technical problems in the prior art.
Disclosure of Invention
The invention provides an environment-friendly packaging bag printing system, which aims to make up the defects of the prior art and solve the problems that pits on a printing plate cylinder cannot be changed after being engraved in depth and the printing plate cylinder needs to be changed more difficultly if the shade layers of pictures on a packaging bag need to be changed.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an environment-friendly packaging bag printing system, which comprises a printing device; the printing device is used for printing the pictures and texts on the surface of the packaging bag; the printing device comprises a controller, an ink box, a doctor blade, a plate cylinder, an impression cylinder, a first driving motor, a second driving motor, an adjusting component and a doctor component; a printing plate cylinder is arranged at the upper end of the ink box; one side of the printing plate cylinder is fixedly connected with a first driving motor, the other side of the printing plate cylinder is rotatably connected with the support column, and an impression cylinder is arranged above the printing plate cylinder; one side of the impression cylinder is rotatably connected with a strut, and the other side of the impression cylinder is fixedly connected with a second driving motor; the lower end of the doctor blade is fixedly connected with the upper end of the ink box;
the adjusting assembly comprises a rotating ring, a driving rod, a driven rod, a sliding sealing plate, an adjusting groove, a printing plate sheet, a clamping groove and a clamping block; an adjusting groove is formed in the cylinder surface of the printing plate cylinder, and printing plate pieces are connected in the adjusting groove in a sliding mode; two ends of the printing plate pieces are fixedly connected with sliding sealing plates; one end of each sliding sealing plate, which is close to the center of the plate cylinder, is hinged with a driven rod, and the lower end of each driven rod is hinged with a driving rod; the driving rod is fixedly connected with the rotating ring; the two rotating rings are respectively connected with two sides of the printing plate cylinder in a rotating way; clamping grooves are formed in the two sides of the printing plate cylinder; a clamping block is slidably connected to the position, corresponding to the clamping groove, on the rotating ring;
when the packaging bag printing machine works, in the process of printing the packaging bag, the shade layers of the pictures printed on the packaging bag are determined by the depth of the pits; the depth of the existing pit can not be changed after being engraved, and the plate cylinder needs to be replaced if the shade level of the picture needs to be changed;
therefore, the invention is provided with the adjusting component; when the depth of the pit needs to be adjusted, the fixture block moves towards one side far away from the center of the forme cylinder along the rotating ring, so that the fixture block is separated from the clamping groove; then, the rotating ring is manually rotated clockwise or anticlockwise, so that the rotating ring drives the driving rod to rotate, the driving rod drives the sliding sealing plate and the printing plate sheet to move towards the center of the printing plate roller along the adjusting groove by driving the driven rod, and the sliding sealing plate is used for preventing ink from entering the adjusting groove; then the clamping block slides towards the center of the printing plate cylinder, so that the clamping block is clamped with the corresponding position on the clamping groove; the packaging bag is placed between the printing plate cylinder and the impression cylinder, and the other end of the packaging bag is provided with a rolling cylinder to drive the packaging bag to move along the printing direction; the controller controls the first driving motor to rotate anticlockwise, and the second driving motor rotates clockwise; when the first driving motor drives the plate cylinder to rotate anticlockwise, so that the pits on the plate cylinder rotate into the ink box, ink can enter the pits, and the ink on the surfaces of the pits can be scraped by the ink scraper and then falls into the ink box again; the second driving motor drives the impression cylinder to rotate clockwise, and the impression cylinder impresses the ink in the pits on the lower surface of the packaging bag; the packaging bag is dried and rolled in the next step; the environment-friendly packaging bag is made of degradable materials, is easy to degrade in natural environment, and brings hope for reducing or eliminating white pollution; meanwhile, the ink adopted in the printing process is water-based ink which is a world-recognized environment-friendly printing material;
because the adjusting assembly is arranged, when the shade layers of the printing pictures of the packaging bag need to be adjusted, the printing plate cylinder does not need to be replaced, and the depth of the concave pit can be changed by only rotating the rotary ring to adjust the position of the printing plate piece, so that the convenience of the printing process of the packaging bag is improved.
Preferably, the ink scraping assembly comprises a bearing plate, a positioning groove and a supporting rod; the lower end of the bearing plate is connected with the upper end of the ink box in a sliding mode, and the upper end of the bearing plate is hinged with one end of the doctor blade; a group of positioning grooves are formed in both sides of the bearing plate; the positioning groove is clamped with one end of the supporting rod; the other end of the supporting rod is hinged with one end of the ink scraping knife close to the plate cylinder; when the ink scraping device works, the larger the inclination of the ink scraping blade is, the larger the pressure is, the excessive pressure can reduce the transfer rate of ink, and the abrasion to a plate cylinder and the ink scraping blade is larger; the condition of plate contamination or scraper line is easy to occur when the pressure is too small; according to the invention, the angle of the doctor blade is adjusted in real time by arranging the ink scraping component according to the condition in the printing process; when in adjustment, the angle of the doctor blade can be adjusted only by moving the supporting rod to be inserted into the positioning grooves at different positions; the convenience of the packaging bag printing process is further improved.
Preferably, scales are marked at the positions, above the clamping grooves, of the two sides of the printing plate cylinder; pointers are fixedly connected to the two clamping blocks; when the plate printing machine works, the scales and the pointer are arranged, and the scales correspond to the positions of the plate printing plates in the adjusting groove; when the rotating ring is rotated, the position of the adjusted printing plate piece can be judged by observing the position of the scale pointed by the pointer; the adjusting precision of the printing plate cylinder is enhanced, and the accurate grasp of the printing pattern depth level of the packaging bag is improved.
Preferably, one end of the sliding sealing plate, which is far away from the center of the plate cylinder, is fixedly connected with a compression spring; the other end of the compression spring is fixedly connected with an Contraband-shaped stirring plate; the opening of the stirring plate faces to the clockwise direction of the printing plate roller, and a group of through holes are formed in the stirring plate; when the printing machine works, if the area of the pattern required on the packaging bag is small in the printing process, the ink consumption is small, and the residual ink is easy to separate and precipitate quickly, the stirring plate is arranged; when the printing plate roller drives the sliding sealing plate to rotate, when the compression spring rotates to the position of the lower half circle, the compression spring is stretched under the gravity of the stirring plate, the stirring plate reaches the bottom end of the ink box, ink deposited at the bottom end is stirred, and after the ink is stirred by the stirring plate, the ink flows into the ink box along the through hole; the viscosity of the ink in the ink box is increased, and the printing effect in the printing process of the packaging bag is enhanced.
Preferably, the upper end of the ink scraping knife is fixedly connected with an auxiliary scraper; one end of the doctor blade, which is close to the plate cylinder, is provided with an ink leakage hole; when the ink box works, the auxiliary scraper is arranged, when the surface of the ink scraper is abraded or sundries cause the occurrence of a scraper line, the auxiliary scraper can carry out secondary ink scraping to keep the ink scraping effect, and ink scraped by the auxiliary scraper flows into the ink box along an ink leakage hole of the ink scraper, so that the influence on the working effect of a normal ink scraper is reduced; further strengthening the printing effect in the packaging bag printing process.
Preferably, one end of the bearing plate close to the plate cylinder is fixedly connected with an arc-shaped ink baffle plate; the projection of the ink baffle plate faces the plate cylinder; when the printing machine works, if the rotating speed of the printing plate cylinder is high, the printing plate cylinder easily throws off and splashes ink in the ink box, so that the waste of the ink is caused; according to the invention, the ink baffle is arranged, so that when ink splashes out, the ink firstly touches the ink baffle and then flows into the ink box along the arc shape of the ink baffle; the waste of printing ink is reduced, and the environmental protection in the printing process of the packaging bag is enhanced.
The invention has the following beneficial effects:
1. compared with the traditional technical scheme, the environment-friendly packaging bag printing system provided by the invention has the advantages that the adjusting assembly is arranged, so that when the shade layers of the printing pictures of the packaging bags need to be adjusted, the printing plate cylinder does not need to be replaced, the position of the printing plate sheet only needs to be adjusted by rotating the rotary ring to change the depth of the pits, and the convenience in the packaging bag printing process is improved.
2. According to the environment-friendly packaging bag printing system, the angle of the doctor blade is adjusted in real time according to the condition in the printing process by arranging the doctor component; when in adjustment, the angle of the doctor blade can be adjusted only by moving the supporting rod to be inserted into the positioning grooves at different positions; the angle of the doctor blade is changed by adjusting the fixed position of the supporting rod, so that the convenience of the packaging bag printing process is further improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the adjustment assembly of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
in the figure: 1. an ink cartridge; 2. a doctor blade; 3. a plate cylinder; 4. an impression cylinder; 5. a first driving motor; 6. a second drive motor; 71. rotating the ring; 72. a driving lever; 73. a driven lever; 74. a sliding seal plate; 75. an adjustment groove; 76. printing plate sheets; 77. a card slot; 78. a clamping block; 81. a carrier plate; 82. positioning a groove; 83. a support bar; 9. a pointer; 10. a compression spring; 11. a stirring plate; 12. auxiliary scrapers; 13. an ink leakage hole; 14. an ink baffle plate.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 3, the printing system for environment-friendly packaging bag of the present invention comprises a printing device; the printing device is used for printing the pictures and texts on the surface of the packaging bag; the printing device comprises a controller, an ink box 1, a doctor blade 2, a plate cylinder 3, an impression cylinder 4, a first driving motor 5, a second driving motor 6, an adjusting assembly and a doctor assembly; the upper end of the ink box 1 is provided with a printing plate cylinder 3; one side of the printing plate cylinder 3 is fixedly connected with a first driving motor 5, the other side of the printing plate cylinder 3 is rotatably connected with the support column, and an impression cylinder 4 is arranged above the printing plate cylinder 3; one side of the impression cylinder 4 is rotatably connected with a strut, and the other side of the impression cylinder 4 is fixedly connected with a second driving motor 6; the lower end of the doctor blade 2 is fixedly connected with the upper end of the ink box 1;
the adjusting assembly comprises a rotary ring 71, a driving rod 72, a driven rod 73, a sliding sealing plate 74, an adjusting groove 75, a printing plate sheet 76, a clamping groove 77 and a clamping block 78; an adjusting groove 75 is formed in the surface of the printing plate cylinder 3, and a printing plate sheet 76 is connected in the adjusting groove 75 in a sliding manner; two ends of one group of printing plate sheets 76 are fixedly connected with sliding sealing plates 74; one end of each sliding sealing plate 74 close to the center of the plate cylinder 3 is hinged with a driven rod 73, and the lower end of each driven rod 73 is hinged with a driving rod 72; the driving rod 72 is fixedly connected with the rotating ring 71; the two rotary rings 71 are respectively connected with two sides of the plate cylinder 3 in a rotating way; clamping grooves 77 are formed in the two sides of the printing plate cylinder 3; a clamping block 78 is slidably connected to the position, corresponding to the clamping groove 77, of the rotating ring 71;
when the packaging bag printing machine works, in the process of printing the packaging bag, the shade layers of the pictures printed on the packaging bag are determined by the depth of the pits; the depth of the existing pit can not be changed after being engraved, and the plate cylinder 3 needs to be replaced if the shade level of the picture needs to be changed;
therefore, the invention is provided with the adjusting component; when the depth of the pit needs to be adjusted, the fixture block 78 moves to one side away from the center of the plate cylinder 3 along the rotary ring 71, so that the fixture block 78 is separated from the fixture groove 77; then, the rotating ring 71 is manually rotated clockwise or counterclockwise, so that the rotating ring 71 drives the driving rod 72 to rotate, the driving rod 72 drives the driven rod 73 to drive the sliding sealing plate 74 and the printing plate sheet 76 to move towards the center of the printing plate cylinder 3 along the adjusting groove 75, and the sliding sealing plate 74 is used for preventing ink from entering the adjusting groove 75; then, the fixture block 78 slides towards the center of the plate cylinder 3, so that the fixture block 78 is clamped with the corresponding position on the clamping groove 77; the packaging bag is placed between the printing plate cylinder 3 and the impression cylinder 4, and the other end of the packaging bag is provided with a rolling cylinder to drive the packaging bag to move along the printing direction; the controller controls the first driving motor 5 to rotate anticlockwise and the second driving motor 6 to rotate clockwise; when the first driving motor 5 drives the plate cylinder 3 to rotate anticlockwise, so that the pits on the plate cylinder 3 rotate into the ink box 1, ink can enter the pits, and the ink scraper 2 can scrape off ink on the surfaces of the pits and fall into the ink box 1 again; the second driving motor 6 drives the impression cylinder 4 to rotate clockwise, and the impression cylinder 4 impresses the ink in the pits on the lower surface of the packaging bag; the packaging bag is dried and rolled in the next step; the environment-friendly packaging bag is made of degradable materials, is easy to degrade in natural environment, and brings hope for reducing or eliminating white pollution; meanwhile, the ink adopted in the printing process is water-based ink which is a world-recognized environment-friendly printing material;
because the adjusting component is arranged, when the shade level of the printing picture of the packaging bag needs to be adjusted, the printing plate cylinder 3 does not need to be replaced, and the depth of the pit is changed by rotating the rotary ring 71 to adjust the position of the printing plate sheet 76, so that the convenience of the printing process of the packaging bag is improved.
As an embodiment of the present invention, the wiping member includes a bearing plate 81, a positioning groove 82, and a support rod 83; the lower end of the bearing plate 81 is connected with the upper end of the ink box 1 in a sliding manner, and the upper end of the bearing plate 81 is hinged with one end of the doctor blade 2; a group of positioning grooves 82 are formed in both sides of the bearing plate 81; the positioning groove 82 is clamped with one end of the support rod 83; the other end of the supporting rod 83 is hinged with one end of the doctor blade 2 close to the plate cylinder 3; when the ink scraping device works, the larger the inclination of the ink scraping blade 2 is, the larger the pressure is, the excessive pressure can reduce the transfer rate of ink, and the abrasion to the plate cylinder 3 and the ink scraping blade 2 is larger; the condition of plate contamination or scraper line is easy to occur when the pressure is too small; according to the invention, the angle of the doctor blade 2 is adjusted in real time by arranging the ink scraping component according to the condition in the printing process; when in adjustment, the angle of the doctor blade 2 can be adjusted only by inserting the movable support rod 83 into the positioning grooves 82 at different positions; the convenience of the packaging bag printing process is further improved.
As an embodiment of the present invention, the two sides of the plate cylinder 3 are marked with scales at positions above the catching grooves 77; the two fixture blocks 78 are fixedly connected with pointers 9; during working, the invention sets scales and a pointer 9, and the scales correspond to the positions of the printing plate sheets 76 in the adjusting grooves 75; while rotating the swivel 71, the adjusted position of the printing plate 76 can be judged by observing the position of the scale pointed by the pointer 9; the adjusting precision of the plate cylinder 3 is enhanced, and the accurate grasp of the printing pattern depth level of the packaging bag is improved.
As an embodiment of the present invention, a compression spring 10 is attached to one end of the sliding seal plate 74 away from the center of the plate cylinder 3; the other end of the compression spring 10 is fixedly connected with an Contraband-shaped stirring plate 11; the opening of the stirring plate 11 faces the printing plate cylinder 3 clockwise, and a group of through holes are formed in the stirring plate 11; when the printing machine works, if the area of the pattern required on the packaging bag is small in the printing process, the ink consumption is small, and the residual ink is easy to separate and precipitate quickly, the stirring plate 11 is arranged; when the printing plate roller 3 drives the sliding sealing plate 74 to rotate, when the compression spring 10 rotates to the position of the lower half circle, the compression spring 10 is stretched under the gravity of the stirring plate 11, the stirring plate 11 reaches the bottom end of the ink box 1 to stir the ink precipitated at the bottom end, and after the ink is carried by the stirring plate 11, the ink flows into the ink box 1 along the through hole; the viscosity of the ink in the ink box 1 is increased, and the printing effect in the packaging bag printing process is enhanced.
As an embodiment of the present invention, the upper end of the doctor blade 2 is fixedly connected with an auxiliary doctor blade 12; one end of the doctor blade 2 close to the plate cylinder 3 is provided with an ink leakage hole 13; when the ink box works, the auxiliary scraper 12 is arranged, when the surface of the ink scraper 2 is abraded or sundries cause the occurrence of a scraper line, the auxiliary scraper 12 can conduct secondary ink scraping to keep the ink scraping effect, ink scraped by the auxiliary scraper 12 flows into the ink box 1 along the ink leakage hole 13 of the ink scraper 2, and the influence on the working effect of the normal ink scraper 2 is reduced; further strengthening the printing effect in the packaging bag printing process.
As an embodiment of the invention, one end of the bearing plate 81 close to the plate cylinder 3 is fixedly connected with an arc-shaped ink baffle plate 14; the projection of the ink baffle 14 is directed towards the plate cylinder 3; when the ink box works, if the rotating speed of the plate cylinder 3 is high, the plate cylinder 3 easily throws off and splashes ink in the ink box 1, so that the ink is wasted; according to the invention, by arranging the ink baffle plate 14, when ink splashes out, the ink firstly touches the ink baffle plate 14, and then flows into the ink box 1 along the arc shape of the ink baffle plate 14; the waste of printing ink is reduced, and the environmental protection in the printing process of the packaging bag is enhanced.
The specific working process is as follows:
in the process of printing the packaging bag, the shade level of the picture printed on the packaging bag is determined by the depth of the concave pit; the depth of the existing pit can not be changed after being engraved, and the plate cylinder 3 needs to be replaced if the shade level of the picture needs to be changed; therefore, the invention is provided with the adjusting component; when the depth of the pit needs to be adjusted, the fixture block 78 moves to one side away from the center of the plate cylinder 3 along the rotary ring 71, so that the fixture block 78 is separated from the fixture groove 77; then, the rotating ring 71 is manually rotated clockwise or counterclockwise, so that the rotating ring 71 drives the driving rod 72 to rotate, the driving rod 72 drives the driven rod 73 to drive the sliding sealing plate 74 and the printing plate sheet 76 to move towards the center of the printing plate cylinder 3 along the adjusting groove 75, and the sliding sealing plate 74 is used for preventing ink from entering the adjusting groove 75; then, the fixture block 78 slides towards the center of the plate cylinder 3, so that the fixture block 78 is clamped with the corresponding position on the clamping groove 77; the packaging bag is placed between the printing plate cylinder 3 and the impression cylinder 4, and the other end of the packaging bag is provided with a rolling cylinder to drive the packaging bag to move along the printing direction; the controller controls the first driving motor 5 to rotate anticlockwise and the second driving motor 6 to rotate clockwise; when the first driving motor 5 drives the plate cylinder 3 to rotate anticlockwise, so that the pits on the plate cylinder 3 rotate into the ink box 1, ink can enter the pits, and the ink scraper 2 can scrape off ink on the surfaces of the pits and fall into the ink box 1 again; the second driving motor 6 drives the impression cylinder 4 to rotate clockwise, and the impression cylinder 4 impresses the ink in the pits on the lower surface of the packaging bag; the packaging bag is dried and rolled in the next step; the environment-friendly packaging bag is made of degradable materials, is easy to degrade in natural environment, and brings hope for reducing or eliminating white pollution; meanwhile, the ink adopted in the printing process is water-based ink which is a world-recognized environment-friendly printing material; because the adjusting assembly is arranged, when the shade level of a printing picture of the packaging bag needs to be adjusted, the printing plate cylinder 3 does not need to be replaced, and the depth of the pit is changed by rotating the rotary ring 71 to adjust the position of the printing plate sheet 76, so that the convenience of the printing process of the packaging bag is improved; because the greater the inclination of the doctor blade 2, the greater the pressure will reduce the ink transfer rate, and the greater the wear on the plate cylinder 3 and the doctor blade 2; the condition of plate contamination or scraper line is easy to occur when the pressure is too small; according to the invention, the angle of the doctor blade 2 is adjusted in real time by arranging the ink scraping component according to the condition in the printing process; when in adjustment, the angle of the doctor blade 2 can be adjusted only by inserting the movable support rod 83 into the positioning grooves 82 at different positions; the convenience of the packaging bag printing process is further improved; therefore, the invention is provided with the scales and the pointer 9, and the scales correspond to the positions of the printing plate sheets 76 in the adjusting groove 75; while rotating the swivel 71, the adjusted position of the printing plate 76 can be judged by observing the position of the scale pointed by the pointer 9; the adjusting precision of the printing plate cylinder is enhanced, and the accurate control of the depth level of the printed patterns of the packaging bag is improved; because the ink consumption is small and the residual ink is easy to separate and precipitate quickly if the area of the required pattern on the packaging bag is small in the printing process, the stirring plate 11 is arranged; when the printing plate roller 3 drives the sliding sealing plate 74 to rotate, when the compression spring 10 rotates to the position of the lower half circle, the compression spring 10 is stretched under the gravity of the stirring plate 11, the stirring plate 11 reaches the bottom end of the ink box 1 to stir the ink precipitated at the bottom end, and after the ink is carried by the stirring plate 11, the ink flows into the ink box 1 along the through hole; the viscosity of the ink in the ink box 1 is increased, and the printing effect in the packaging bag printing process is enhanced; therefore, by arranging the auxiliary scraper 12, when the surface of the ink scraping knife 2 is abraded or sundries cause the occurrence of a scraping line, the auxiliary scraper 12 can carry out secondary ink scraping to keep the ink scraping effect, and ink scraped by the auxiliary scraper 12 flows into the ink box 1 along the ink leakage hole 13 of the ink scraping knife 2, so that the influence on the working effect of the normal ink scraping knife 2 is reduced; the printing effect in the packaging bag printing process is further enhanced; if the rotating speed of the plate cylinder 3 is higher, the plate cylinder 3 is easy to throw off and splash the ink in the ink box 1, so that the ink is wasted; according to the invention, by arranging the ink baffle plate 14, when ink splashes out, the ink firstly touches the ink baffle plate 14, and then flows into the ink box 1 along the arc shape of the ink baffle plate 14; the waste of printing ink is reduced, and the environmental protection in the printing process of the packaging bag is enhanced.
The front, the back, the left, the right, the upper and the lower are based on the observation angle of the person, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an environment-friendly wrapping bag printing system which characterized in that: comprises a printing device; the printing device is used for printing the pictures and texts on the surface of the packaging bag; the printing device comprises a controller, an ink box (1), a doctor blade (2), a forme cylinder (3), an impression cylinder (4), a first driving motor (5), a second driving motor (6), an adjusting assembly and a doctor assembly; the upper end of the ink box (1) is provided with a printing plate cylinder (3); one side of the printing plate cylinder (3) is fixedly connected with a first driving motor (5), the other side of the printing plate cylinder (3) is rotatably connected with the support column, and an impression cylinder (4) is arranged above the printing plate cylinder (3); one side of the impression cylinder (4) is rotatably connected with a support column, and the other side of the impression cylinder (4) is fixedly connected with a second driving motor (6); the lower end of the ink scraping knife (2) is fixedly connected with the upper end of the ink box (1);
the adjusting assembly comprises a rotating ring (71), a driving rod (72), a driven rod (73), a sliding sealing plate (74), an adjusting groove (75), a printing plate sheet (76), a clamping groove (77) and a clamping block (78); an adjusting groove (75) is formed in the surface of the printing plate cylinder (3), and a printing plate piece (76) is connected in the adjusting groove (75) in a sliding mode; two ends of the printing plate pieces (76) are fixedly connected with sliding sealing plates (74); one end of each sliding sealing plate (74) close to the center of the plate cylinder (3) is hinged with a driven rod (73), and the lower end of each driven rod (73) is hinged with a driving rod (72); the driving rod (72) is fixedly connected with the rotating ring (71); the two rotating rings (71) are respectively connected with two sides of the printing plate cylinder (3) in a rotating way; clamping grooves (77) are formed in the two sides of the printing plate cylinder (3); a clamping block (78) is connected to the position, corresponding to the clamping groove (77), of the rotating ring (71) in a sliding mode.
2. The environment-friendly packaging bag printing system of claim 1, wherein: the ink scraping assembly comprises a bearing plate (81), a positioning groove (82) and a supporting rod (83); the lower end of the bearing plate (81) is connected with the upper end of the ink box (1) in a sliding manner, and the upper end of the bearing plate (81) is hinged with one end of the doctor blade (2); a group of positioning grooves (82) are formed in both sides of the bearing plate (81); the positioning groove (82) is clamped with one end of the supporting rod (83); the other end of the supporting rod (83) is hinged with one end of the scraping blade (2) close to the plate cylinder (3).
3. The environment-friendly packaging bag printing system of claim 1, wherein: scales are marked at the positions of the two sides of the printing plate cylinder (3) above the clamping grooves (77); and a pointer (9) is fixedly connected to the rotating ring (71).
4. The environment-friendly packaging bag printing system of claim 1, wherein: one end of the sliding sealing plate (74) far away from the center of the plate cylinder (3) is fixedly connected with a compression spring (10); the other end of the compression spring (10) is fixedly connected with an Contraband-shaped stirring plate (11); the openings of the stirring plate (11) face to the clockwise direction of the plate cylinder (3).
5. The environment-friendly packaging bag printing system of claim 1, wherein: the upper end of the ink scraping knife (2) is fixedly connected with an auxiliary scraping knife (12); one end of the doctor blade (2) close to the plate cylinder (3) is provided with an ink leakage hole (13).
6. The environment-friendly packaging bag printing system of claim 2, wherein: one end of the bearing plate (81) close to the plate cylinder (3) is fixedly connected with an arc-shaped ink baffle plate (14); the projection of the ink baffle (14) faces the plate cylinder (3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111154702.1A CN113858784A (en) | 2021-09-29 | 2021-09-29 | Environment-friendly wrapping bag printing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111154702.1A CN113858784A (en) | 2021-09-29 | 2021-09-29 | Environment-friendly wrapping bag printing system |
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| CN113858784A true CN113858784A (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111154702.1A Pending CN113858784A (en) | 2021-09-29 | 2021-09-29 | Environment-friendly wrapping bag printing system |
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