CN110641134A

CN110641134A - Letterpress printing machine

Info

Publication number: CN110641134A
Application number: CN201910975533.4A
Authority: CN
Inventors: 林正能
Original assignee: Shenzhen Zhengqi Machinery Co Ltd
Current assignee: Shenzhen Zhengqi Machinery Co Ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-01-03
Anticipated expiration: 2039-10-15
Also published as: CN110641134B

Abstract

The invention discloses a letterpress printing machine which comprises a base, a printing ink seat, a main shaft roller, a bottom die roller and an adjusting mechanism, wherein the adjusting mechanism and the bottom die roller are arranged on the base, the printing ink seat and the main shaft roller are arranged on the adjusting mechanism, and the main shaft roller and the bottom die roller are driven by a servo motor to rotate. The printing ink seat is driven by the adjusting mechanism to move to a position close to the main shaft roller, the printing ink is transferred onto the main shaft roller, the main shaft roller is driven by the adjusting mechanism to move to a position close to the bottom die roller, so that the gap between the main shaft roller and the bottom die roller is matched with the thickness of paper to be printed, and then the paper is fed between the main shaft roller and the bottom die roller through an external paper feeding mechanism to be printed; the relief printing machine can adjust the distance between the main shaft roller and the bottom die roller according to the thickness of paper to be printed, and has wide applicability; the rotation of the main shaft roller and the bottom die roller is controlled through the servo motor, the operation is convenient, and the processing efficiency is improved.

Description

Letterpress printing machine

Technical Field

The invention relates to the technical field of printing machines, in particular to a letterpress printing machine.

Background

In recent years, commercial packages and adhesive stickers are popularized and applied in various domestic industries, such as adhesive cartoon stickers, anti-counterfeiting labels, lottery scratch cards, packaging labels and the like, and the printing of the adhesive anti-counterfeiting labels puts higher requirements on equipment, printing processes and the like of various factories.

Most of the existing printing machines adopt gear transmission, the operation is inconvenient, the processing speed is slow, and the traditional paper printing is usually realized by printing patterns after the gap of two cylinders is formed, and the printing machines in different cylinder gaps are needed for the paper with different thicknesses.

The patent document with the application number of CN201811535729.3 discloses a letterpress printing machine for removing redundant ink by utilizing the matching of a concave plate and a convex plate, which structurally comprises an impression cylinder, a rubber bag, a gear, an inking roller, an ink transfer roller and a printing plate device, wherein the printing plate device is arranged above the impression cylinder, the rubber bag penetrates between the printing plate device and the impression cylinder, the upper part of the printing plate device is in transmission connection with the ink transfer roller through the inking roller, the printing plate device is connected with the gear, the printing plate device consists of a driven wheel, an edging cylinder, an intaglio plate, a transmission belt, a printing plate cylinder, a driving wheel, a letterpress plate and a cleaning device, and the printing plate cylinder.

However, the letterpress printing machine which utilizes the matching of the concave-convex plate and the convex plate to remove the redundant ink is driven by the gear, is inconvenient to operate, has low processing speed, has no adjusting function, and cannot adjust the distance between the edging cylinder and the printing plate cylinder according to the thickness of paper to be printed.

Disclosure of Invention

In order to solve the above problems, a primary object of the present invention is to provide a letterpress printing press which can adjust a distance between a main shaft cylinder and a bed cylinder according to a thickness of a sheet to be printed, and which has a wide applicability.

Another object of the present invention is to provide a letterpress printing machine, which controls the rotation of a main shaft cylinder and a counter cylinder by a servo motor, and has more convenient operation and improved processing efficiency.

In order to achieve the above object, the technical solution of the present invention is as follows.

The invention provides a letterpress printing machine which comprises a base, a printing ink seat, a spindle roller, a bottom die roller and an adjusting mechanism, wherein the adjusting mechanism and the bottom die roller are arranged on the base, the printing ink seat and the spindle roller are arranged on the adjusting mechanism, the adjusting mechanism can drive the printing ink seat to move up and down to be close to or far from the spindle roller, the adjusting mechanism can drive the spindle roller to move up and down to be close to or far from the bottom die roller, and the spindle roller and the bottom die roller are driven by a servo motor to rotate. In the invention, the printing ink seat is driven to move to a position close to the main shaft roller by the adjusting mechanism, the printing ink is transferred to the main shaft roller, the main shaft roller is driven to move to a position close to the bottom die roller by the adjusting mechanism, so that the gap between the main shaft roller and the bottom die roller is matched with the thickness of paper to be printed, and then the paper is fed between the main shaft roller and the bottom die roller by an external paper feeding mechanism for printing; through the arrangement, the relief printing machine can adjust the distance between the main shaft roller and the bottom die roller according to the thickness of paper to be printed, and the applicability is wide; and the rotation of the main shaft roller and the bottom die roller is controlled by the servo motor, so that the operation is more convenient, and the processing efficiency is improved.

Furthermore, the adjusting mechanism comprises a fixed seat, a first adjusting component and a second adjusting component, wherein a sliding plate is movably connected to the fixed seat, the printing ink seat is movably connected above the sliding plate, part of the first adjusting component is fixedly connected with the printing ink seat, the first adjusting component can drive the printing ink seat to slide up and down on the sliding plate, the spindle roller is fixedly connected with the sliding plate, part of the second adjusting component is fixedly connected with the sliding plate, and the second adjusting component can drive the sliding plate to slide up and down on the fixed seat, so that the printing ink seat and the spindle roller are driven to slide up and down. According to the invention, the first adjusting component drives the printing ink seat to move to a position close to the spindle roller, the printing ink is transferred onto the spindle roller, and the second adjusting component drives the sliding plate to slide up and down on the fixed seat, so that the printing ink seat and the spindle roller are driven to move together, the spindle roller is close to the bottom die roller, and the distances among the printing ink seat, the spindle roller and the bottom die roller can be adjusted through the arrangement of the fixed seat, the first adjusting component and the second adjusting component, so that the applicability is wide.

Furthermore, the number of the fixing seats is 2, the 2 fixing seats are respectively arranged on two sides of the base, two sides of the printing ink seat are respectively and movably connected to the sliding plates of the 2 fixing seats, and two ends of the spindle roller are respectively and fixedly connected with the sliding plates on the fixing seats on two sides of the base. In the invention, the printing ink seat and the main shaft roller can be more stably arranged on the adjusting mechanism through the arrangement of the 2 fixed seats, and the printing ink seat and the main shaft roller can be conveniently driven to move together with two sides of the main shaft roller through the connection of the printing ink seat and the main shaft roller and the sliding plates at two sides, so that the distance between the printing ink seat, the main shaft roller and the bottom die roller can be more conveniently adjusted, and the applicability is wide.

Furthermore, the section of the fixed seat is of a right-angled triangle structure provided with a V-shaped notch, the bottom surface of the fixed seat connected with the base is of a plane structure, the upper surface of the fixed seat provided with the sliding plate is of an inclined plane structure, the sliding plate is of a cuboid structure, the sliding plate and the upper surface of the fixed seat are arranged in parallel, the upper surface of the sliding plate is provided with a first sliding rail with an inclination angle consistent with that of the inclined plane structure of the fixed seat, the printing ink seat is obliquely arranged on the upper surface of the sliding plate, and the printing ink seat slides obliquely up and down on the sliding plate through the first sliding rail; the upper surface of the fixed seat is provided with a second slide rail with an inclination angle consistent with the inclined plane structure of the fixed seat, and the sliding plate slides up and down obliquely on the fixed seat through the second slide rail, so that the printing ink seat and the spindle roller are driven to slide up and down obliquely. According to the invention, through the structural arrangement of the fixed seat, the upper surface of the fixed seat can form an inclined plane structure, so that an inclined sliding plate, a first sliding rail and a second sliding rail can be conveniently arranged, the printing ink seat and the spindle roller can be conveniently and obliquely slid, the structure is compact, the space is reasonably utilized, the distances among the printing ink seat, the spindle roller and the bottom die roller can be conveniently adjusted, and the applicability is wide.

Further, the inclination angles of the fixed seat and the upper surface of the sliding plate are both 45 degrees. In the invention, a printing transmission mode with an angle of 45 degrees is adopted, the structure is compact, the space is reasonably utilized, the distances among the printing ink seat, the main shaft roller and the bottom die roller are convenient to adjust, and the applicability is wide.

Furthermore, the first adjusting component comprises a first adjusting hand wheel, a first transmission rod, a first supporting rod, a first transmission block and a first screw rod, two ends of the first supporting rod are respectively and fixedly connected with the sliding plates on the fixed seats at two sides of the base, and the first supporting rod is connected with the upper end of the sliding plate, a first through hole is arranged on the first supporting rod, one end of the first transmission block is fixedly connected with the printing ink seat, the other end of the first transmission block is provided with a first threaded hole matched with the first screw rod, one end of the first screw rod passes through the first through hole and then is in transmission connection with the first transmission rod, the other end of the first screw rod passes through the first threaded hole and then is connected with the first stop block, when the first screw rod rotates, the first transmission block can be driven to move up and down on the first screw rod, so that the printing ink seat is driven to slide up and down on the sliding plate; the sliding plates on the fixing seats on the two sides of the base are provided with through holes, the first transmission rod penetrates through the through holes of the sliding plates on the fixing seats on the two sides of the base through the two ends of the first transmission rod respectively to be movably connected with the sliding plates, one end of the first transmission rod penetrates through the through holes to be fixedly connected with the first adjusting hand wheel, and the first transmission rod can be driven to rotate by rotating the first adjusting hand wheel, so that the first lead screw is driven to rotate. In the invention, when the position of the printing ink seat needs to be adjusted, the first adjusting hand wheel only needs to be manually rotated, the first screw rod is driven to rotate through the first transmission rod, so that the first transmission block is driven to move up and down on the first screw rod, the printing ink seat is driven to slide up and down on the sliding plate, the distance between the printing ink seat and the main shaft roller is conveniently adjusted, and the applicability is wide.

Furthermore, the second adjusting component comprises a second adjusting hand wheel, a second transmission rod, a supporting seat, a second supporting rod, a second transmission block and a second screw rod, two ends of the second support rod are respectively and fixedly connected with the sliding plates on the fixed seats at two sides of the base, the second support rod is connected with the lower end of the sliding plate, the second transmission block is fixedly connected with the second support rod and is provided with a second threaded hole matched with the second transmission rod, a second through hole corresponding to the position of the second threaded hole is arranged on the second supporting rod, the second screw rod passes through the second through hole, one end of the first screw rod is in transmission connection with the first transmission rod, the other end of the first screw rod passes through the first threaded hole and then is connected with the first stop block, when the second screw rod rotates, the second transmission block can be driven to move up and down on the second screw rod, so that the sliding plate is driven to slide up and down on the fixed seat through the second support rod; the second transmission rod is arranged on the base through the supporting seat, one end of the second transmission rod penetrates through the supporting seat and then is fixedly connected with the second adjusting hand wheel, and the second transmission rod can be driven to rotate by rotating the second adjusting hand wheel, so that the second screw rod is driven to rotate. In the invention, when the position of the spindle roller needs to be adjusted, the second adjusting hand wheel only needs to be manually rotated, the second screw rod is driven to rotate through the second transmission rod, so that the second transmission block and the second support rod are driven to move up and down on the second screw rod, and the spindle roller fixedly connected with the sliding plate is driven to slide up and down on the fixed seat, so that the distance between the spindle roller and the bottom die roller is conveniently adjusted, and the applicability is wide.

Furthermore, one end of the first screw rod, which is connected with the first transmission rod, is provided with a first gear seat, bevel gears are arranged on the first screw rod and the first gear seat of the first transmission rod, the first screw rod is arranged perpendicular to the first transmission rod, and the first screw rod and the first transmission rod which are arranged perpendicular to each other are driven by the bevel gears on the first screw rod and the first transmission rod; and one end of the second screw rod, which is connected with the second transmission rod, is provided with a second gear seat, the second screw rod and the second gear seat of the second transmission rod are provided with bevel gears, the second screw rod is perpendicular to the second transmission rod, and the transmission of the second screw rod and the second transmission rod which are perpendicular to each other is realized through the second screw rod and the bevel gears on the second transmission rod. In the invention, the bevel gear is arranged to realize the movement between two shafts forming a vertical angle, namely the cross shafts, so that the printing ink seat fixedly connected with the first transmission block is driven by the transmission of the screw rod to slide up and down on the sliding plate through the transmission of the first transmission rod and the first screw rod by rotating the first adjusting hand wheel; through rotating second adjusting hand wheel, thereby just can drive through the screw transmission and remove with second transmission piece fixed connection's second bracing piece through the transmission of second transfer line and second lead screw, and then drive and slide from top to bottom on the fixing base with second bracing piece fixed connection's sliding plate to conveniently adjust the distance of printing ink seat, main shaft cylinder and die block cylinder, extensive applicability.

Furthermore, the first screw rod and the second screw rod are arranged in parallel with the sliding plate, the first transmission rod, the first support rod, the second transmission rod and the second support rod are arranged in parallel, a blocking ring is sleeved on the part, located outside the first through hole, of the first screw rod, and two side faces of the first support rod are respectively abutted against the blocking ring and the first gear seat of the first screw rod. According to the invention, the structure of the adjusting structure is more stable through the arrangement, the space is reasonably utilized, and the sliding plate can be driven by the second adjusting component to pull the first support rod to drive the first screw rod to move in position through the arrangement of the blocking ring.

Further, the printing ink seat comprises a left side fixing frame, a right side fixing frame, an ink box, an ink guide roller, an ink distributing roller and an ink transfer roller, wherein the left side fixing frame and the right side fixing frame are respectively connected to first sliding rails of sliding plates on two sides in a sliding mode, two ends of the ink box, the ink distributing roller and the ink transfer roller are respectively fixed on the inner sides of the left side fixing frame and the right side fixing frame, an ink groove is formed in the ink box, a gap is formed in the bottom of the ink groove, the ink distributing roller is located under the position, provided with the gap, of the ink groove, and the ink transfer roller is located below the ink; the ink guide roller is arranged in the ink groove, and one end of the ink guide roller extends out of the right fixing frame and then is connected with a first servo motor; one end of the ink distributing roller extends out of the right fixing frame and is connected with a second servo motor, and one end of the ink transferring roller extends out of the right fixing frame and is connected with a third servo motor; the ink guide roller can be driven to rotate in the ink groove through the first servo motor, so that ink in the ink groove is guided onto the ink distributing roller, the second servo motor can drive the ink distributing roller to rotate, so that the ink is uniformly guided onto the ink transfer roller, and the third servo motor can drive the ink transfer roller to rotate, so that the ink is attached to the spindle roller; the side wall of the ink box is also provided with an adjusting column capable of adjusting the ink to be led out. According to the invention, ink can be conveniently loaded through the arrangement of the ink box, the adjusting column can be pushed to block the gap part of the ink groove by rotating the adjusting column, so that the flowing speed of the ink is adjusted, the ink can be conveniently transferred through the arrangement of the ink guide roller, the ink distributing roller and the ink transfer roller, the ink can be uniformly transferred to the main shaft roller, the raised pattern on the main shaft roller is attached with the ink, and the printing of paper can be conveniently carried out.

Furthermore, the number of the first screw rods, the number of the first transmission blocks, the number of the second screw rods and the number of the second transmission blocks are 2, the 2 first screw rods are respectively in transmission connection with two ends of the first transmission rod, the first gear seats are arranged at the positions where the 2 first screw rods and the first transmission rod are mutually connected, one ends of the 2 first transmission blocks are respectively and fixedly connected with the left side fixing frame and the right side fixing frame, and the other ends of the 2 first transmission blocks are respectively provided with the first threaded holes; the 2 second screw rods are respectively in transmission connection with two sides of the second transmission rod, the second gear seats are arranged at the positions where the 2 second screw rods are mutually connected with the second transmission rod, the distance between the 2 second screw rods is smaller than that between the two first screw rods, and the 2 second transmission blocks are respectively fixed on two sides of the second transmission rod. According to the invention, through the arrangement, the first screw rods on two sides can be driven to rotate through the first transmission rod, so that the printing ink seats fixedly connected with the 2 first transmission blocks are driven to slide up and down on the sliding plate through screw rod transmission; through rotating second adjusting hand wheel, just can drive the second lead screw of both sides through a second transfer line and rotate to drive and remove with 2 second transmission piece fixed connection's second bracing piece through the lead screw transmission, and then drive and slide from top to bottom on the fixing base with second bracing piece fixed connection's sliding plate, thereby conveniently adjust the distance of printing ink seat, main shaft cylinder and die block cylinder, extensive applicability.

Further, still be provided with fixed subassembly between main shaft cylinder and the sliding plate, fixed subassembly is including left side fixed plate, connecting axle and right side fixed plate, left side fixed plate and right side fixed plate respectively fixed connection on the sliding plate of base both sides, the both ends of connecting axle respectively with left side fixed plate and right side fixed plate swing joint, the main shaft cylinder cover is established on the connecting axle, just the one end of connecting axle is stretched out and is connected with fourth servo motor behind the right side fixed plate, can drive the connecting axle and drive main shaft cylinder through fourth servo motor and rotate. According to the invention, through the arrangement of the fixing component and the fourth servo motor, the rotation of the spindle roller can be conveniently controlled, so that the printing of paper is facilitated, and the printing speed is improved; and the position of the main shaft roller is reasonably arranged, so that the printing machine has a compact structure and occupies small space.

Further, come fixed connection through spacing seat between die block cylinder and the base, the cross-section of spacing seat is character cut in bas-relief shape structure, the position that is close to the fixing base on the base is fixed to the bottom of spacing seat, the upper portion both ends of spacing seat extend there is the locating plate of both sides, and the top of the locating plate of both sides is the arc, and swing joint has the dwang between the locating plate of both sides, die block cylinder cover is established on the dwang, just the one end of dwang is stretched out and is connected with fifth servo motor behind the locating plate on right side, can drive the dwang through fifth servo motor and drive the die block cylinder and. In the invention, the bottom die roller can be stably fixed on the base through the arrangement of the limiting seat, and the position of the bottom die roller is close to the position of the main shaft roller, so that the printing machine has a compact structure and small occupied space; and through the setting of fifth servo motor, can conveniently control the rotation of die block cylinder to make things convenient for the printing of paper, improve printing speed.

Further, a paper traction rod is arranged below the spindle roller. In the present invention, after the paper is fed by the external paper feeding mechanism, the paper is fed between the spindle cylinder and the die cylinder via the paper draw bar to be printed.

The invention has the beneficial effects that: compared with the prior art, in the invention, the printing ink seat is driven to move to a position close to the main shaft roller by the adjusting mechanism, the printing ink is transferred onto the main shaft roller, the main shaft roller is driven to move to a position close to the bottom die roller by the adjusting mechanism, so that the gap between the main shaft roller and the bottom die roller is matched with the thickness of paper to be printed, and then the paper is fed between the main shaft roller and the bottom die roller by an external paper feeding mechanism for printing; through the arrangement, the relief printing machine can adjust the distance between the main shaft roller and the bottom die roller according to the thickness of paper to be printed, and the applicability is wide; and the rotation of the main shaft roller and the bottom die roller is controlled by the servo motor, so that the operation is more convenient, and the processing efficiency is improved.

Drawings

Figure 1 is a first angled exploded schematic view of a letterpress printing machine embodying the invention.

Figure 2 is a second angle exploded schematic view of a letterpress printing machine embodying the invention.

Figure 3 is a schematic view of a first angular configuration of a letterpress printing machine embodying the invention.

Figure 4 is a second angular configuration schematic of a letterpress printing machine embodying the invention.

Figure 5 is a schematic view of a third angular configuration of a letterpress printing machine embodying the invention.

Figure 6 is a schematic view of a first angular configuration of an adjustment mechanism of a letterpress printing press embodying the invention.

Fig. 7 is a second angular configuration schematic of an adjustment mechanism of a letterpress printing press embodying the invention.

Fig. 8 is a schematic view of a third angular configuration of an adjustment mechanism of a letterpress printing press embodying the invention.

Fig. 9 is a fourth angular structural view of an adjustment mechanism of a letterpress printing machine embodying the invention.

Fig. 10 is a schematic diagram of a fifth angular configuration of an adjustment mechanism of a letterpress printing press embodying the invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-10, the invention provides a letterpress printing machine, which comprises a base 1, a printing ink seat 2, a spindle cylinder 3, a bottom die cylinder 4 and an adjusting mechanism 5, wherein the adjusting mechanism 5 and the bottom die cylinder 4 are both arranged on the base 1, the printing ink seat 2 and the spindle cylinder 3 are both arranged on the adjusting mechanism 5, the adjusting mechanism 5 can drive the printing ink seat 2 to move up and down to be close to or far from the spindle cylinder 3, the adjusting mechanism 5 can drive the spindle cylinder 3 to move up and down to be close to or far from the bottom die cylinder 4, and the spindle cylinder 3 and the bottom die cylinder 4 are both driven by a servo motor to rotate. In the invention, the adjusting mechanism 5 drives the printing ink seat 2 to move to a position close to the main shaft roller 3, the printing ink is transferred onto the main shaft roller 3, the adjusting mechanism 5 drives the main shaft roller 3 to move to a position close to the bottom die roller 4, so that the gap between the main shaft roller 3 and the bottom die roller 4 is matched with the thickness of paper to be printed, and then the paper is fed between the main shaft roller 3 and the bottom die roller 4 through an external paper feeding mechanism for printing; through the arrangement, the relief printing machine can adjust the distance between the main shaft roller 3 and the bottom die roller 4 according to the thickness of paper to be printed, and the applicability is wide; and the rotation of the main shaft roller 3 and the bottom die roller 4 is controlled by the servo motor, so that the operation is more convenient, and the processing efficiency is improved.

In this embodiment, the adjusting mechanism 5 includes a fixed seat 51, a first adjusting component 52 and a second adjusting component 53, a sliding plate 54 is movably connected to the fixed seat 51, the printing ink holder 2 is movably connected above the sliding plate 54, a part of the first adjusting component 52 is fixedly connected to the printing ink holder 2, and the first adjusting component 52 can drive the printing ink holder 2 to slide up and down on the sliding plate 54, the spindle cylinder 3 is fixedly connected to the sliding plate 54, a part of the second adjusting component 53 is fixedly connected to the sliding plate 54, and the second adjusting component 53 can drive the sliding plate 54 to slide up and down on the fixed seat 51, so as to drive the printing ink holder 2 and the spindle cylinder 3 to slide up and down. In the invention, the first adjusting component 52 drives the printing ink base 2 to move to a position close to the spindle cylinder 3, the printing ink is transferred onto the spindle cylinder 3, and then the second adjusting component 53 drives the sliding plate 54 to slide up and down on the fixed seat 51, so that the printing ink base 2 and the spindle cylinder 3 are driven to move together, the spindle cylinder 3 is close to the bottom die cylinder 4, and the distance between the printing ink base 2, the spindle cylinder 3 and the bottom die cylinder 4 can be adjusted through the arrangement of the fixed seat 51, the first adjusting component 52 and the second adjusting component 53, so that the applicability is wide.

In this embodiment, the number of the fixing bases 51 is 2, the 2 fixing bases 51 are respectively disposed on two sides of the base 1, two sides of the printing ink holder 2 are respectively movably connected to the sliding plates 54 of the 2 fixing bases 51, and two ends of the spindle drum 3 are respectively fixedly connected to the sliding plates 54 of the fixing bases 51 on two sides of the base 1. In the invention, the printing ink seat 2 and the spindle cylinder 3 can be more stably arranged on the adjusting mechanism 5 by arranging the 2 fixing seats 51, and the printing ink seat 2 and the spindle cylinder 3 can be conveniently driven to move together with the two sides of the spindle cylinder 3 by connecting the printing ink seat 2 with the spindle cylinder 3 and the sliding plates 54 at the two sides, so that the distance between the printing ink seat 2, the spindle cylinder 3 and the bottom die cylinder 4 can be more conveniently adjusted, and the applicability is wide.

In this embodiment, the section of the fixed seat 51 is a right triangle structure provided with a V-shaped notch, the bottom surface of the fixed seat 51 connected with the base 1 is a plane structure, the upper surface of the fixed seat 51 provided with the sliding plate 54 is an inclined surface structure, the sliding plate 54 is a rectangular parallelepiped structure, the sliding plate 54 is arranged in parallel with the upper surface of the fixed seat 51, the upper surface of the sliding plate 54 is provided with a first slide rail 55, the inclination angle of which is consistent with that of the inclined surface structure of the fixed seat 51, the printing ink seat 2 is obliquely arranged on the upper surface of the sliding plate 54, and the printing ink seat 2 slides obliquely up and down on the sliding plate 54 through the first slide; the upper surface of the fixed seat 51 is provided with a second slide rail 56 with an inclination angle consistent with the inclined surface structure of the fixed seat 51, and the sliding plate 54 slides up and down on the fixed seat 51 in an inclined manner through the second slide rail 56, so as to drive the printing ink seat 2 and the spindle cylinder 3 to slide up and down in an inclined manner. In the invention, through the structural arrangement of the fixed seat 51, the upper surface of the fixed seat can form an inclined surface structure, so that the inclined sliding plate 54 and the first and second sliding rails can be conveniently arranged, the inclined sliding of the printing ink seat 2 and the spindle roller 3 can be conveniently realized, the structural arrangement is compact, the space is reasonably utilized, the distances among the printing ink seat 2, the spindle roller 3 and the bottom die roller 4 can be conveniently adjusted, and the applicability is wide.

In the present embodiment, the inclination angles of the upper surfaces of the fixed base 51 and the sliding plate 54 are both 45 °. In the invention, a printing transmission mode with an angle of 45 degrees is adopted, the structure is compact, the space is reasonably utilized, the distances among the printing ink base 2, the main shaft roller 3 and the bottom die roller 4 are convenient to adjust, and the applicability is wide.

In this embodiment, the first adjusting assembly 52 includes a first adjusting hand wheel 521, a first transmission rod 522, a first support rod 523, a first transmission block 524 and a first screw rod 525, two ends of the first support rod 523 are respectively fixedly connected to the sliding plates 54 on the fixing seats 51 at two sides of the base 1, the first support rod 523 is connected to the upper ends of the sliding plates 54, a first through hole 5231 is formed in the first support rod 523, one end of the first transmission block 524 is fixedly connected to the printing ink holder 2, a first threaded hole 5241 adapted to the first screw rod 525 is formed at the other end of the first transmission block 524, one end of the first screw rod 525 passes through the first through hole 5231 and then is connected to the first transmission rod 522 in a transmission manner, the other end of the first screw rod 525 passes through the first threaded hole 5241 and then is connected to a first blocking block 526, and when the first screw rod 525 rotates, the first transmission block 524 can be driven to move up and down on the first screw rod 525, thereby driving the printing ink seat 2 to slide up and down on the sliding plate 54; the through holes 541 are formed in the sliding plates 54 on the fixing seats 51 on the two sides of the base 1, the first transmission rod 522 penetrates through the through holes 541 of the sliding plates 54 on the fixing seats 51 on the two sides of the base 1 through the two ends of the first transmission rod 522 respectively so as to be movably connected with the sliding plates 54, one end of the first transmission rod 522 penetrates through the through holes 541 and then is fixedly connected with the first adjusting hand wheel 521, and the first transmission rod 522 can be driven to rotate by rotating the first adjusting hand wheel 521, so that the first screw rod 525 is driven to rotate. In the invention, when the position of the printing ink holder 2 needs to be adjusted, the first adjusting hand wheel 521 is manually rotated, the first transmission rod 522 drives the first screw rod 525 to rotate, so that the first transmission block 524 is driven to move up and down on the first screw rod 525, the printing ink holder 2 is driven to slide up and down on the sliding plate 54, the distance between the printing ink holder 2 and the spindle cylinder 3 is conveniently adjusted, and the applicability is wide.

In this embodiment, the second adjusting assembly 53 includes a second adjusting handwheel 531, a second transmission rod 532, a support base 533, a second support rod 534, a second transmission block 535 and a second lead screw 536, two ends of the second support rod 534 are respectively fixedly connected to the sliding plate 54 on the fixing bases 51 at two sides of the base 1, the second support rod 534 is connected to the lower end of the sliding plate 54, the second transmission block 535 is fixedly connected to the second support rod 534, the second transmission block 535 is provided with a second threaded hole 5351 adapted to the second transmission rod 532, the second support rod 534 is provided with a second through hole 5341 corresponding to the second threaded hole 5351, the second lead screw 536 passes through the second through hole 5341, one end of the second lead screw 536 is in transmission connection with the second transmission rod 532, the other end of the second lead screw 536 passes through the second threaded hole 5351 and is connected to a second blocking block 537, and when the second lead screw 536 rotates, the second transmission block 535 can be driven to move up and down on the second lead screw 536, thereby driving the sliding plate 54 to slide up and down on the fixed seat 51 through the second supporting rod 534; the second transmission rod 532 is disposed on the base 1 through the supporting seat 533, one end of the second transmission rod 532 penetrates through the supporting seat 533 and then is fixedly connected to the second adjusting handwheel 531, and the second transmission rod 532 can be driven to rotate by rotating the second adjusting handwheel 531, so as to drive the second lead screw 536 to rotate. In the invention, when the position of the spindle drum 3 needs to be adjusted, the second adjusting handwheel 531 is only required to be manually rotated, the second transmission rod 532 drives the second lead screw 536 to rotate, so as to drive the second transmission block 535 and the second support rod 534 to move up and down on the second lead screw 536, and thus the spindle drum 3 fixedly connected with the sliding plate 54 is driven to slide up and down on the fixed seat 51, so that the distance between the spindle drum 3 and the bottom die drum 4 is conveniently adjusted, and the applicability is wide.

In this embodiment, the first screw rod 525 and the first transmission rod 522 are connected to each other, and a first gear seat 10 is disposed at one end of each of the first screw rod 525 and the first transmission rod 522, each of the first screw rod 525 and the first gear seat 10 of the first transmission rod 522 is provided with a bevel gear 20, the first screw rod 525 and the first transmission rod 522 are vertically disposed, and transmission between the first screw rod 525 and the first transmission rod 522 which are vertically disposed is achieved through the first screw rod 525 and the bevel gear 20 on the first transmission rod 522; a second gear seat 30 is arranged at one end of the second screw 536, which is connected with the second transmission rod 532, respectively, a bevel gear 20 is arranged on each of the second screw 536 and the second gear seat 30 of the second transmission rod 532, the second screw 536 is perpendicular to the second transmission rod 532, and the second screw 536 and the bevel gear 20 on the second transmission rod 532 realize the transmission of the second screw 536 and the second transmission rod 532 which are perpendicular to each other. In the invention, the bevel gear 20 is arranged to realize the movement between two shafts which form a vertical angle, namely, a cross shaft, so that the printing ink holder 2 fixedly connected with the first transmission block 524 can be driven to slide up and down on the sliding plate 54 through the transmission of the first transmission rod 522 and the first screw rod 525 by rotating the first adjusting hand wheel 521; through rotating the second adjusting handwheel 531, the second support rod 534 fixedly connected with the second transmission block 535 is driven to move through the transmission of the second transmission rod 532 and the second lead screw 536 through the lead screw transmission, and then the sliding plate 54 fixedly connected with the second support rod 534 is driven to slide up and down on the fixed seat 51, so that the distance between the printing ink seat 2, the spindle roller 3 and the bottom die roller 4 can be conveniently adjusted, and the applicability is wide.

In this embodiment, the first screw rod 525 and the second screw rod 536 are both disposed in parallel with the sliding plate 54, the first transmission rod 522, the first support rod 523, the second transmission rod 532, and the second support rod 534 are disposed in parallel with each other, a portion of the first screw rod 525 outside the first through hole 5231 is sleeved with a blocking ring 538, and two side surfaces of the first support rod 523 respectively abut against the blocking ring 538 and the first gear seat 10 of the first screw rod 525. In the present invention, the structure of the adjusting structure is more stable through the above arrangement, and the space is reasonably utilized, and the arrangement of the blocking ring 538 enables the sliding plate 54 to be driven by the second adjusting assembly 53, and the first support rod 523 can be pulled to drive the first screw rod 525 to move.

In this embodiment, the printing ink base 2 includes a left side fixing frame 21, a right side fixing frame 22, an ink box 23, an ink guide roller 24, an ink distributing roller 25 and an ink transfer roller 26, the left side fixing frame 21 and the right side fixing frame 22 are respectively slidably connected to the first slide rails 55 of the sliding plates 54 at two sides, two ends of the ink box 23, the ink distributing roller 25 and the ink transfer roller 26 are respectively fixed at the inner sides of the left side fixing frame 21 and the right side fixing frame 22, an ink tank 231 is arranged in the ink box 23, a gap is arranged at the bottom of the ink tank 231, the ink distributing roller 25 is located right below the position where the gap is arranged in the ink tank 231, and the ink transfer roller 26 is located obliquely; the ink guide roller 24 is arranged in the ink groove 231, and one end of the ink guide roller 24 extends out of the right fixing frame 22 and then is connected with a first servo motor 61; one end of the ink distributing roller 25 extends out of the right side fixing frame 22 and is connected with a second servo motor 62, and one end of the ink transferring roller 26 extends out of the right side fixing frame 22 and is connected with a third servo motor 63; the ink guide roller 24 can be driven to rotate in the ink groove 231 by the first servo motor 61 so as to guide the ink in the ink groove 231 to the ink distribution roller 25, the ink distribution roller 25 can be driven to rotate by the second servo motor 62 so as to uniformly guide the ink to the ink transfer roller 26, and the ink transfer roller 26 can be driven to rotate by the third servo motor 63 so as to attach the ink to the spindle cylinder 3; the side wall of the ink box 23 is also provided with an adjusting column 232 which can adjust the ink export. In the invention, ink can be conveniently loaded through the arrangement of the ink box 23, the adjusting column 232 can be pushed to block the gap part of the ink groove 231 by rotating the adjusting column 232, so that the flowing-down speed of the ink is adjusted, the ink can be conveniently transferred through the arrangement of the ink guide roller 24, the ink distributing roller 25 and the ink transfer roller 26, the ink can be uniformly transferred to the main shaft roller 3, the convex patterns on the main shaft roller 3 are attached with the ink, and the printing of paper can be conveniently carried out.

In this embodiment, the number of the first screw rods 525, the first transmission blocks 524, the second screw rods 536 and the second transmission blocks 535 is 2, 2 of the first screw rods 525 are respectively in transmission connection with two ends of the first transmission rod 522, the positions where the 2 first screw rods 525 and the first transmission rod 522 are connected with each other are all provided with the first gear seat 10, one end of the 2 first transmission blocks 524 is respectively fixedly connected with the left side fixing frame 21 and the right side fixing frame 22, and the other ends of the 2 first transmission blocks 524 are all provided with the first threaded holes 5241; the 2 second lead screws 536 are respectively in transmission connection with two sides of the second transmission rod 532, the interconnection positions of the 2 second lead screws 536 and the second transmission rod 532 are respectively provided with a second gear seat 30, the distance between the 2 second lead screws 536 is smaller than the distance between the two first lead screws 525, and the 2 second transmission blocks 535 are respectively fixed on two sides of the second transmission rod 532. In the present invention, with the above arrangement, the first lead screws 525 on both sides can be driven to rotate by the first driving rods 522, so that the printing ink holders 2 fixedly connected to the 2 first driving blocks 524 are driven to slide up and down on the sliding plate 54 by the lead screw transmission; through rotating second adjusting hand wheel 531, just can drive the second lead screw 536 of both sides through a second transfer line 532 and rotate to drive and remove with 2 second drive block 535 fixed connection's second bracing piece 534 through the lead screw transmission, and then drive and slide plate 54 with second bracing piece 534 fixed connection and slide from top to bottom on fixing base 51, thereby conveniently adjust printing ink seat 2, the distance of main shaft cylinder 3 and die block cylinder 4, extensive applicability.

In this embodiment, a fixing component is further disposed between the spindle drum 3 and the sliding plate 54, the fixing component includes a left fixing plate 71, a connecting shaft 72 and a right fixing plate 73, the left fixing plate 71 and the right fixing plate 73 are respectively and fixedly connected to the sliding plates 54 on two sides of the base 1, two ends of the connecting shaft 72 are respectively and movably connected to the left fixing plate 71 and the right fixing plate 73, the spindle drum 3 is sleeved on the connecting shaft 72, and one end of the connecting shaft 72 extends out of the right fixing plate 73 and then is connected to the fourth servo motor 64, and the connecting shaft 72 can be driven by the fourth servo motor 64 to drive the spindle drum 3 to rotate. In the invention, the rotation of the spindle roller 3 can be conveniently controlled by the arrangement of the fixing component and the fourth servo motor 64, so that the printing of paper is facilitated, and the printing speed is improved; and the position of the main shaft roller 3 is reasonably arranged, so that the printing machine has a compact structure and occupies small space.

In this embodiment, come fixed connection through spacing seat 41 between die block cylinder 4 and the base 1, the cross-section of spacing seat 41 is character cut in bas-relief structure, the position that is close to fixing base 51 on base 1 is fixed to the bottom of spacing seat 41, the locating plate 42 of both sides has been extended at the upper portion both ends of spacing seat 41, the top of the locating plate 42 of both sides is the arc, swing joint has dwang 43 between the locating plate 42 of both sides, die block cylinder 4 cover is established on dwang 43, and be connected with fifth servo motor 65 after the locating plate 42 on right side is stretched out to the one end of dwang 43, can drive dwang 43 and drive die block cylinder 4 through fifth servo motor 65 and. In the invention, the bottom die roller 4 can be stably fixed on the base 1 by arranging the limiting seat 41, and the position of the bottom die roller is close to the position of the main shaft roller 3, so that the printing machine has a compact structure and occupies small space; and through the setting of fifth servo motor 65, can conveniently control the rotation of die block cylinder 4 to the printing of convenient paper improves printing speed.

In the present embodiment, a paper draw bar 8 is also provided below the spindle drum 3. In the present invention, after the paper is fed by the external paper feeding mechanism, the paper is fed between the spindle cylinder 3 and the die cylinder 4 via the paper draw bar 8 to be printed.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a letterpress printing machine, its characterized in that is including base, printing ink seat, main shaft cylinder, die block cylinder and adjustment mechanism, adjustment mechanism all sets up on the base with the die block cylinder, printing ink seat all sets up on adjustment mechanism with the main shaft cylinder, adjustment mechanism can drive printing ink seat and reciprocate to being close to or keeping away from the main shaft cylinder, adjustment mechanism can drive the main shaft cylinder and reciprocate to being close to or keeping away from the die block cylinder, main shaft cylinder and die block cylinder all rotate through the servo motor drive.

2. The letterpress printing machine according to claim 1, wherein said adjusting mechanism comprises a fixed seat, a first adjusting member and a second adjusting member, wherein a sliding plate is movably connected to said fixed seat, said printing ink holder is movably connected to said sliding plate, a part of said first adjusting member is fixedly connected to said printing ink holder, and said first adjusting member can drive said printing ink holder to slide up and down on said sliding plate, said main shaft cylinder is fixedly connected to said sliding plate, a part of said second adjusting member is fixedly connected to said sliding plate, and said second adjusting member can drive said sliding plate to slide up and down on said fixed seat, thereby driving said printing ink holder to slide up and down with said main shaft cylinder.

3. The letterpress printing machine according to claim 2, wherein said number of said fixing bases is 2, 2 fixing bases are respectively provided on both sides of the base, both sides of said printing ink base are respectively movably connected to the sliding plates of the 2 fixing bases, and both ends of said main shaft cylinder are respectively fixedly connected to the sliding plates of the fixing bases on both sides of the base.

4. The letterpress printing machine according to claim 3, wherein the section of the fixed seat is a right triangle structure provided with a V-shaped notch, and the bottom surface of the fixed seat connected with the base is a plane structure, the upper surface of the fixed seat provided with the sliding plate is a slope structure, the sliding plate is a cuboid structure, the sliding plate is arranged in parallel with the upper surface of the fixed seat, the upper surface of the sliding plate is provided with a first slide rail with an inclination angle consistent with the slope structure of the fixed seat, the printing ink seat is obliquely arranged on the upper surface of the sliding plate, and the printing ink seat slides obliquely up and down on the sliding plate through the first slide rail; the upper surface of the fixed seat is provided with a second slide rail with an inclination angle consistent with the inclined plane structure of the fixed seat, and the sliding plate slides up and down on the fixed seat in an inclined manner through the second slide rail so as to drive the printing ink seat and the spindle roller to slide up and down in an inclined manner; the inclination angles of the upper surfaces of the fixed seat and the sliding plate are both 45 degrees.

5. The letterpress printing machine according to claim 4, wherein the first adjusting assembly comprises a first adjusting hand wheel, a first transmission rod, a first support rod, a first transmission block and a first screw rod, wherein both ends of the first support rod are respectively and fixedly connected with the sliding plate on the fixed seats at both sides of the base, the first support rod is connected with the upper end of the sliding plate, the first support rod is provided with a first through hole, one end of the first transmission block is fixedly connected with the printing ink seat, the other end of the first transmission block is provided with a first threaded hole matched with the first screw rod, one end of the first screw rod passes through the first through hole and is in transmission connection with the first transmission rod, the other end of the first screw rod passes through the first threaded hole and is connected with a first blocking block, and when the first screw rod rotates, the first transmission block can be driven to move up and down on the first screw rod, thereby driving the printing ink seat to slide up and down on the sliding plate; the sliding plates on the fixed seats on the two sides of the base are both provided with through holes, the first transmission rod respectively penetrates through the through holes of the sliding plates on the fixed seats on the two sides of the base through two ends of the first transmission rod so as to be movably connected with the sliding plates, one end of the first transmission rod is fixedly connected with a first adjusting hand wheel after penetrating through the through holes, and the first transmission rod can be driven to rotate by rotating the first adjusting hand wheel so as to drive the first lead screw to rotate;

the second adjusting component comprises a second adjusting hand wheel, a second transmission rod, a supporting seat, a second supporting rod, a second transmission block and a second screw rod, two ends of the second support rod are respectively and fixedly connected with the sliding plates on the fixed seats at two sides of the base, the second support rod is connected with the lower end of the sliding plate, the second transmission block is fixedly connected with the second support rod and is provided with a second threaded hole matched with the second transmission rod, a second through hole corresponding to the position of the second threaded hole is arranged on the second supporting rod, the second screw rod passes through the second through hole, one end of the first screw rod is in transmission connection with the first transmission rod, the other end of the first screw rod passes through the first threaded hole and then is connected with the first stop block, when the second screw rod rotates, the second transmission block can be driven to move up and down on the second screw rod, so that the sliding plate is driven to slide up and down on the fixed seat through the second support rod; the second transmission rod is arranged on the base through the supporting seat, one end of the second transmission rod penetrates through the supporting seat and then is fixedly connected with the second adjusting hand wheel, and the second transmission rod can be driven to rotate by rotating the second adjusting hand wheel, so that the second screw rod is driven to rotate.

6. The letterpress printing machine according to claim 5, wherein one end of the first screw rod, which is connected with the first transmission rod, is provided with a first gear seat, the first screw rod and the first gear seat of the first transmission rod are provided with bevel gears, the first screw rod is arranged perpendicular to the first transmission rod, and the transmission of the first screw rod and the first transmission rod which are arranged perpendicular to each other is realized through the first screw rod and the bevel gears on the first transmission rod; and one end of the second screw rod, which is connected with the second transmission rod, is provided with a second gear seat, the second screw rod and the second gear seat of the second transmission rod are provided with bevel gears, the second screw rod is perpendicular to the second transmission rod, and the transmission of the second screw rod and the second transmission rod which are perpendicular to each other is realized through the second screw rod and the bevel gears on the second transmission rod.

7. The letterpress printing machine according to claim 6, wherein said first screw and said second screw are both disposed parallel to the slide plate, said first driving rod, said first support rod, said second driving rod and said second support rod are disposed parallel to each other, a portion of said first screw located outside said first through hole is sleeved with a stop ring, and both side surfaces of said first support rod are respectively abutted against said stop ring and said first gear seat of said first screw.

8. The letterpress printing machine according to claim 6, wherein the printing ink base comprises a left side fixing frame, a right side fixing frame, an ink box, an ink guide roller, an ink distribution roller and an ink transfer roller, wherein the left side fixing frame and the right side fixing frame are respectively and slidably connected to the first slide rails of the two side sliding plates, two ends of the ink box, the ink distribution roller and the ink transfer roller are respectively fixed on the inner sides of the left side fixing frame and the right side fixing frame, an ink groove is formed in the ink box, a gap is formed in the bottom of the ink groove, the ink distribution roller is positioned right below the position where the gap is formed in the ink groove, and the ink transfer roller is positioned obliquely below the; the ink guide roller is arranged in the ink groove, and one end of the ink guide roller extends out of the right fixing frame and then is connected with a first servo motor; one end of the ink distributing roller extends out of the right fixing frame and is connected with a second servo motor, and one end of the ink transferring roller extends out of the right fixing frame and is connected with a third servo motor; the ink guide roller can be driven to rotate in the ink groove through the first servo motor, so that ink in the ink groove is guided onto the ink distributing roller, the second servo motor can drive the ink distributing roller to rotate, so that the ink is uniformly guided onto the ink transfer roller, and the third servo motor can drive the ink transfer roller to rotate, so that the ink is attached to the spindle roller; the side wall of the ink box is also provided with an adjusting column capable of adjusting the ink to be led out.

9. The letterpress printing machine according to claim 8, wherein said first lead screw, first transmission block, second lead screw and second transmission block are all 2, 2 first lead screws are respectively in transmission connection with two ends of the first transmission rod, and the positions where 2 first lead screws and the first transmission rod are mutually connected are all provided with said first gear seat, one end of 2 first transmission blocks is respectively fixedly connected with the left side fixing frame and the right side fixing frame, and the other end of 2 first transmission blocks is provided with said first threaded hole; the 2 second screw rods are respectively in transmission connection with two sides of the second transmission rod, the second gear seats are arranged at the positions where the 2 second screw rods are mutually connected with the second transmission rod, the distance between the 2 second screw rods is smaller than that between the two first screw rods, and the 2 second transmission blocks are respectively fixed on two sides of the second transmission rod.

10. The letterpress printing machine according to claim 2, wherein a fixing assembly is further arranged between the main shaft cylinder and the sliding plate, the fixing assembly comprises a left side fixing plate, a connecting shaft and a right side fixing plate, the left side fixing plate and the right side fixing plate are respectively fixedly connected to the sliding plate on both sides of the base, both ends of the connecting shaft are respectively movably connected with the left side fixing plate and the right side fixing plate, the main shaft cylinder is sleeved on the connecting shaft, and one end of the connecting shaft extends out of the right side fixing plate and is connected with a fourth servo motor, and the connecting shaft can be driven by the fourth servo motor to drive the main shaft cylinder to rotate;

the bottom die roller is fixedly connected with the base through a limiting seat, the cross section of the limiting seat is of a concave structure, the bottom of the limiting seat is fixed at a position, close to the fixing seat, on the base, two positioning plates on two sides extend from two ends of the upper portion of the limiting seat, the tops of the positioning plates on two sides are both arc-shaped, a rotating rod is movably connected between the positioning plates on two sides, the bottom die roller is sleeved on the rotating rod, a fifth servo motor is connected after one end of the rotating rod extends out of the positioning plate on the right side, and the rotating rod can be driven to drive the bottom die roller to rotate through the; and a paper traction rod is also arranged below the spindle roller.