阅读说明：本技术 一种印刷机械的升降分离的压辊装置 (Lifting and separating compression roller device of printing machine ) 是由 全晓宁 于 2019-09-01 设计创作，主要内容包括：本发明涉及印刷设备技术领域,具体揭示了一种印刷机械的升降分离的压辊装置,包括压辊轮、版辊轮和减速电机,还包括升降结构、压辊架、版辊架和缓冲结构,压辊轮的转轴左右两端均固定安装于压辊架内,版辊轮的转轴左右两端固定安装于版辊架内,压辊轮和版辊轮通过升降结构相连接,压辊轮的转轴和压辊架之间通过缓冲结构连接,压辊架底部固定连接异形滑动块顶部,版辊架顶部固定连接方形滑动块底部；通过设置升降结构,通过控制方形滑动块在水平滑杆的螺纹段的平移距离,相较于传统技术能够更精确的调节和控制压辊轮和版辊轮之间的距离,进而能够自适应印品厚度。(The invention relates to the technical field of printing equipment, and particularly discloses a lifting and separating compression roller device of printing machinery, which comprises a compression roller, a plate roller and a speed reduction motor, and also comprises a lifting structure, a compression roller frame, a plate roller frame and a buffer structure, wherein the left end and the right end of a rotating shaft of the compression roller are fixedly arranged in the compression roller frame; through setting up elevation structure, through the translation distance of control square sliding block at horizontal slide bar's screw thread section, compare in the regulation that traditional chinese art can be more accurate and control the distance between pressure running roller wheel and the version roller wheel, and then can the adaptation print thickness.)

1. The utility model provides a press roller device of printing machine's lift separation, includes pressure roller wheel (1), version roller wheel (2) and gear motor (7), and this pressure roller wheel (1) is located directly over version roller wheel (2), and this pressure roller wheel (1) and version roller wheel (2) keep away from each other, and pivot (71) of this pressure roller wheel (1) and version roller wheel (2) all connect on the output shaft of gear motor (7) independent separately, its characterized in that: the plate roller is characterized by further comprising a lifting structure (3), a roller frame (4), a plate roller frame (5) and a buffer structure (6), wherein the left end and the right end of a rotating shaft (71) of the roller wheel (1) are fixedly arranged in the roller frame (4), the left end and the right end of the rotating shaft (71) of the plate roller wheel (2) are fixedly arranged in the plate roller frame (5), the roller wheel (1) is connected with the plate roller wheel (2) through the lifting structure (3), and the rotating shaft (71) of the roller wheel (1) is connected with the roller frame (4) through the buffer structure (6);

The lifting structure (3) comprises a fixed block (31), a square sliding block (32), a linkage rod (321), a special-shaped sliding block (33), a horizontal sliding rod (34), an oblique sliding rod (35), a fixed seat (37) and a small motor (72), wherein the fixed block (31) is fixed on a horizontal plane, the fixed seat (37) is installed at one end of each of the horizontal sliding rod (34) and the oblique sliding rod (35), the fixed seats (37) are fixed on the same vertical plane, the other end of the horizontal sliding rod (34) penetrates through the fixed block (31) and is connected with an output shaft of the small motor (72), the other end of the oblique sliding rod (35) is fixed at the top of the fixed block (31), a thread is formed at the rear end of the horizontal sliding rod (34), the thread of the square sliding block (32) is engaged with the thread section at the rear end of the horizontal sliding rod (34), and the sliding block, the top of the square sliding block (32) is vertically welded with a linkage rod (321), and the top end of the linkage rod (321) penetrates through the special-shaped sliding block (33) and extends upwards to the position right above the special-shaped sliding block (33);

The bottom of the compression roller frame (4) is fixedly connected with the top of the special-shaped sliding block (33), and the top of the plate roller frame (5) is fixedly connected with the bottom of the square sliding block (32).

2. A lifting separation roller assembly of a printing machine according to claim 1, characterized in that: two straight passages with two through ends are formed in the special-shaped sliding block (33), the passages are respectively an inclined passage (331) and a vertical passage (332), the inclined passage (331) penetrates through the front end face and the rear end face of the special-shaped sliding block (33) in an inclined mode, the vertical passage (332) penetrates through the upper end face and the lower end face of the special-shaped sliding block (33), the inclined passage (331) and the vertical passage (332) are crossed but not communicated, an inclined sliding rod (35) is movably inserted into the inclined passage (331), and a linkage rod (321) is movably inserted into the vertical passage (332); a fixed shaft (371) is welded in the center of the front end face of the fixed seat (37), and the fixed shaft (371) is movably inserted into the tail end of the horizontal sliding rod (34).

3. A lifting separation roller assembly of a printing machine according to claim 1, characterized in that: compression springs (36) are filled between the square sliding block (32) and the fixed seat (37) and between the special-shaped sliding block (33) and the fixed seat (37).

4. a lifting separation roller assembly of a printing machine according to claim 1, characterized in that: an annular limiting block (341) is fixedly mounted on the horizontal sliding rod (34), and the limiting block (341) is positioned at the tail end of the front end of the threaded section of the horizontal sliding rod (34).

5. A lifting separation roller assembly of a printing machine according to claim 1, characterized in that: and a cross beam (41) is connected between the tops of the compression roller frames (4) at the left end and the right end of the compression roller wheel (1).

6. A lifting separation roller assembly of a printing machine, as claimed in claim 5, characterized in that: buffer structure (6) are including fixed snap ring (61), flange (62), telescopic link (63), buffer spring (64) and pneumatic cylinder (65), pivot (71) registrate of pressure roller wheel (1) has fixed snap ring (61), fixed snap ring (61) outer circumference has flat flange (62) of welding in pairs, crossbeam (41) top end face all in pairs fixed mounting have pneumatic cylinder (65) in both ends about, pneumatic cylinder (65) are pegged graft and are had telescopic link (63), telescopic link (63) run through crossbeam (41) and fixed connection in flange (62), it has buffer spring (64) to fill between flange (62) and crossbeam (41) bottom face, buffer spring (64) suit is outside telescopic link (63).

Technical Field

The invention relates to the technical field of printing equipment, in particular to a lifting and separating compression roller device of printing machinery.

Background

Modern printing machines are generally composed of mechanisms for plate loading, inking, stamping, paper feeding, etc. The working principle is as follows: the characters and images to be printed are made into printing plate, then it is mounted on the printing machine, then the ink is coated on the position of the characters and images on the printing plate by manual or printing machine, then it is directly or indirectly transferred onto paper or other printing material, so that the same printed matter as that of the printing plate can be reproduced. The roller of the printing machine is a core component of a roller type printing machine and comprises a plate roller, a press roller, an ink roller and the like. When the printing machine is used for printing, a printed matter needs to be rolled on the plate roller, and a pattern is pressed on the surface of the printed matter along with the rotation of the press roller.

when a printed matter rolls from the plate roller, if a gap between the plate roller and the compression roller is too large, the printed matter cannot be well attached to the surface of the plate roller, so that poor printing effect and unclear printing patterns can be caused; when the gap between the plate roller and the compression roller is too thin, the printed product is difficult to enter, the printed product is folded, subsequent treatment is needed, and the production cost is further increased. Therefore, the same printing machine cannot effectively and adaptively print the presswork with different thicknesses, that is, the presswork with different thicknesses needs to use different printing machines, which results in high production cost.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the lifting separation compression roller device of the printing machine, the design scheme has the advantages of simple structure, easiness in operation, convenience in entering of printed matters and suitability for printed matters with various thicknesses, and the problem of high production cost caused by the fact that the traditional compression roller device cannot effectively and adaptively print the printed matters with different thicknesses is solved.

The invention relates to a compression roller device for lifting separation of printing machinery, which comprises a compression roller wheel, a plate roller wheel and a speed reduction motor, wherein the compression roller wheel is positioned right above the plate roller wheel, the compression roller wheel and the plate roller wheel are far away from each other, rotating shafts of the compression roller wheel and the plate roller wheel are connected to output shafts of the speed reduction motors which are respectively independent, the compression roller device also comprises a lifting structure, a compression roller frame, a plate roller frame and a buffer structure, the left end and the right end of the rotating shaft of the compression roller wheel are fixedly arranged in the compression roller frame, the left end and the right end of the rotating shaft of the plate roller wheel are fixedly arranged in the plate roller frame, the compression roller wheel and the plate roller wheel are connected through the lifting structure; the lifting structure comprises a fixed block, a square sliding block, a linkage rod, a special-shaped sliding block, a horizontal sliding rod, an oblique sliding rod, a fixed seat and a small motor, wherein the fixed block is fixed on a horizontal plane, the fixed seats are respectively installed at one ends of the horizontal sliding rod and the oblique sliding rod, the fixed seats are respectively fixed on the same vertical plane, the other end of the horizontal sliding rod penetrates through the fixed block and is connected to an output shaft of the small motor, the other end of the oblique sliding rod is fixed at the top of the fixed block, the rear end of the horizontal sliding rod is provided with a thread, the thread of the square sliding block is matched with the thread section at the rear end of the horizontal sliding rod, the special-shaped sliding block is movably; the bottom of the compression roller frame is fixedly connected with the top of the special-shaped sliding block, and the top of the printing roller frame is fixedly connected with the bottom of the square sliding block.

The invention relates to a lifting separation compression roller device of printing machinery, wherein two straight passages with two communicated ends are arranged in a special-shaped sliding block, the passages are respectively an inclined passage and a vertical passage, the inclined passage obliquely passes through the front end surface and the rear end surface of the special-shaped sliding block, the vertical passage passes through the upper end surface and the lower end surface of the special-shaped sliding block, the inclined passage and the vertical passage are crossed but not communicated, an inclined sliding rod is movably inserted in the inclined passage, and a linkage rod is movably inserted in the vertical passage; the center of the front end face of the fixed seat is welded with a fixed shaft which is movably inserted at the tail end of the horizontal sliding rod.

the invention relates to a lifting separation compression roller device of printing machinery, wherein compression springs are filled between a square sliding block and a fixed seat and between a special-shaped sliding block and the fixed seat.

According to the lifting separation compression roller device of the printing machine, the horizontal sliding rod is fixedly provided with the annular limiting block, and the limiting block is positioned at the tail end of the front end of the threaded section of the horizontal sliding rod.

The invention relates to a lifting separation compression roller device of printing machinery, wherein a cross beam is connected between the top parts of compression roller frames at the left end and the right end of a compression roller wheel.

The invention relates to a lifting separation compression roller device of printing machinery, wherein a buffer structure comprises a fixed snap ring, a flange, a telescopic rod, a buffer spring and a hydraulic cylinder, the fixed snap ring is sleeved on a rotating shaft of a compression roller wheel, the flat-plate-shaped flanges are welded on the outer circumference of the fixed snap ring in pairs, the hydraulic cylinders are fixedly installed at the left end and the right end of the top end face of a cross beam in pairs, the telescopic rod is inserted into the hydraulic cylinder, the telescopic rod penetrates through the cross beam and is fixedly connected to the flange, the buffer spring is filled between the flange and the bottom end face of the.

Compared with the prior art, the invention has the following beneficial effects:

1. According to the scheme, by arranging the lifting structure and controlling the translation distance of the square sliding block in the threaded section of the horizontal sliding rod, compared with the traditional technology, the distance between the pressing roller wheel and the printing roller wheel can be more accurately adjusted and controlled, the thickness of a printed product can be further self-adapted, the phenomenon that the printed product enters or generates an indentation due to too narrow gaps and the phenomenon that printing cannot be finished due to too wide gaps are avoided, and the lifting structure is simple and convenient to operate; set up buffer structure, offset the epaxial mechanical vibration of the pivot of pinch roller wheel, avoided the cracked risk of pivot, effectively prolonged the life-span of device.

2. According to the scheme, the compression spring is arranged, so that the impact force generated when the square sliding block and the special-shaped sliding block move is effectively buffered, the sliding is kept at a constant speed, the distance between the pressing roller wheel and the plate roller wheel is adjusted more accurately, and the printing quality is improved; the cross beam is arranged to connect the press roll frames at the left end and the right end of the press roll wheel into a whole, so that the distance between the press roll wheel and the plate roller can be adjusted more accurately, and the printing quality is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic front view of a compression roller device;

FIG. 2 is a schematic view of the left side of the elevating structure;

FIG. 3 is a schematic cross-sectional view of the left side of the shaped slider;

Fig. 4 is a schematic left-side view structure diagram of the buffer structure.

in the figure: 1. a pressure roller; 2. a plate roll; 3. a lifting structure; 4. a roller frame; 5. a plate roller frame; 6. a buffer structure; 7. a reduction motor; 31. a fixed block; 32. a square slider; 321. a linkage rod; 33. a special-shaped sliding block; 331. an inclined passage; 332. a vertical via; 34. a horizontal sliding bar; 341. a limiting block; 35. an oblique sliding rod; 36. a compression spring; 37. a fixed seat; 371. a fixed shaft; 41. a cross beam; 61. fixing the snap ring; 62. a flange; 63. a telescopic rod; 64. a buffer spring; 65. a hydraulic cylinder; 71. a rotating shaft; 72. a small motor.

Detailed Description

In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

referring to fig. 1-4, a lifting separation press roll device of a printing machine comprises a press roll wheel 1, a plate roll wheel 2 and a speed reduction motor 7, wherein the press roll wheel 1 is positioned right above the plate roll wheel 2, the press roll wheel 1 and the plate roll wheel 2 are far away from each other, rotating shafts 71 of the press roll wheel 1 and the plate roll wheel 2 are connected to output shafts of the speed reduction motors 7 which are independent of each other, the lifting separation press roll device further comprises a lifting structure 3, a press roll frame 4, a plate roll frame 5 and a buffer structure 6, the left end and the right end of the rotating shaft 71 of the press roll wheel 1 are fixedly arranged in the press roll frame 4, the left end and the right end of the rotating shaft 71 of the plate roll wheel 2 are fixedly arranged in the plate roll frame 5, the press roll wheel 1 and the plate roll wheel 2 are connected through the lifting structure 3, and the; the lifting structure 3 comprises a fixed block 31, a square sliding block 32, a linkage rod 321, a special-shaped sliding block 33, a horizontal sliding rod 34, an oblique sliding rod 35, a fixed seat 37 and a small motor 72, wherein the fixed block 31 is fixed on a horizontal plane, the fixed seat 37 is installed at one end of each of the horizontal sliding rod 34 and the oblique sliding rod 35, the fixed seat 37 is fixed on the same vertical plane, the other end of the horizontal sliding rod 34 penetrates through the fixed block 31 and is connected with an output shaft of the small motor 72, the other end of the oblique sliding rod 35 is fixed at the top of the fixed block 31, a thread is formed at the rear end of the horizontal sliding rod 34, the square sliding block 32 is in threaded fit with a thread section at the rear end of the horizontal sliding rod 34, the special-shaped sliding block 33 is movably sleeved on the oblique sliding rod 35; the bottom of the compression roller frame 4 is fixedly connected with the top of the special-shaped sliding block 33, and the top of the printing roller frame 5 is fixedly connected with the bottom of the square sliding block 32. This scheme is through setting up elevation structure 3, through the translation distance of the square sliding block 32 of control in the screw thread section of horizontal sliding bar 34, compare in the regulation that traditional chinese art can be more accurate and control the distance between pressure running roller 1 and version roller 2, and then can the printed matter thickness of self-adaptation, can not get into or produce the indentation because of the too narrow that in gap, also can not be because of the too wide unable completion printing in gap, and simple structure, the operation of being convenient for.

furthermore, two straight passages with two through ends are formed in the special-shaped sliding block 33, the passages are respectively an inclined passage 331 and a vertical passage 332, the inclined passage 331 obliquely penetrates through the front end face and the rear end face of the special-shaped sliding block 33, the vertical passage 332 penetrates through the upper end face and the lower end face of the special-shaped sliding block 33, the inclined passage 331 and the vertical passage 332 are crossed but not communicated, an inclined sliding rod 35 is movably inserted in the inclined passage 331, and a linkage rod 321 is movably inserted in the vertical passage 332; the center of the front end surface of the fixed seat 37 is welded with a fixed shaft 371, and the fixed shaft 371 is movably inserted at the tail end of the horizontal sliding rod 34.

Further, compression springs 36 are filled between the square sliding block 32 and the fixed seat 37 and between the special-shaped sliding block 33 and the fixed seat 37. According to the scheme, the compression spring 36 is arranged, so that the impact force generated when the square sliding block 32 and the special-shaped sliding block 33 move is effectively buffered, the sliding motion is kept at a constant speed, the more accurate adjustment of the distance between the pressing roller wheel 1 and the plate roller wheel 2 is facilitated, and the printing quality is improved.

Furthermore, an annular limiting block 341 is fixedly installed on the horizontal sliding rod 34, and the limiting block 341 is located at the tail end of the front end of the threaded section of the horizontal sliding rod 34. This scheme has avoided square sliding block 32 to break away from the risk of horizontal sliding bar 34 screw thread section through setting up stopper 341, has guaranteed the normal operation of device.

Further, a cross beam 41 is connected between the top parts of the roller frames 4 at the left and right ends of the roller wheel 1. According to the scheme, the cross beam 41 is arranged, the compression roller frames 4 at the left end and the right end of the compression roller wheel 1 are connected into a whole, the more accurate adjustment of the distance between the compression roller wheel 1 and the printing roller wheel 2 is facilitated, and the printing quality is improved.

Further, buffer structure 6 includes fixed snap ring 61, flange 62, telescopic link 63, buffer spring 64 and pneumatic cylinder 65, fixed snap ring 61 has been registrated to the pivot 71 of pressure roller wheel 1, fixed snap ring 61 outer circumference has the flat flange 62 of welding in pairs, crossbeam 41 top end face all has pneumatic cylinder 65 in pairs fixed mounting in the left and right sides, pneumatic cylinder 65 pegs graft there is telescopic link 63, telescopic link 63 runs through crossbeam 41 and fixed connection in flange 62, it has buffer spring 64 to fill between flange 62 and the crossbeam 41 bottom end face, buffer spring 64 suit is outside telescopic link 63. This scheme is through setting up buffer structure 6, has offset the epaxial mechanical vibration of pivot 71 of pinch roller 1, has avoided the cracked risk of pivot 71, has effectively prolonged the life-span of device.

When the invention is used:

The printing product enters between the platen roller 1 and the plate roller 2, the small motor 72 is started at the moment, referring to fig. 2, an output shaft of the small motor 72 rotates and drives the horizontal sliding rod 34 to rotate axially, the square sliding block 32 moves towards the rear end when the horizontal sliding rod 34 rotates axially, and the square sliding block 32 and the special-shaped sliding block 33 are connected through the linkage rod 321 and the linkage rod 321 is inserted into the upper end surface and the lower end surface of the special-shaped sliding block 33, so that the square sliding block 32 drives the special-shaped sliding block 33 to move backwards obliquely on the oblique sliding rod 35 when moving towards the rear end. And vice versa.

Referring to fig. 1, the roller frame 4 is fixedly connected to the shaped slide block 33, and the roller frame 5 is fixedly connected to the square slide block 32, so that the distance between the roller wheel 1 and the roller wheel 2 changes with the change of the distance between the square slide block 32 and the shaped slide block 33. Compared with the traditional lifting structure, the lifting structure 3 in the scheme has the advantages that the essence of the distance change is the translation distance of the square sliding block 32 in the thread section of the horizontal sliding rod 34, so that the distance between the pressure roller wheel 1 and the plate roller wheel 2 can be more accurately adjusted and controlled, and meanwhile, the lifting structure 3 is simple in structure and convenient to operate.

It should be noted that a sensor and a control chip module may be added at the inlet position where the print enters the platen roller device. When the printed product enters, the sensor senses the thickness of the printed product, sensing data are transmitted to the control chip assembly, the control chip assembly controls the small motor 72 to be started, and then the size of the gap between the pressing roller wheel 1 and the plate roller wheel 2 is adjusted to be adaptive to the thickness of the printed product. The above procedures can be implemented in the prior art, and therefore are not described herein again.

referring to fig. 4, when the pressure roller 1 rolls, mechanical vibration is generated, and the mechanical vibration is buffered by the buffer structure 6, so that the mechanical vibration on the rotating shaft 71 of the pressure roller 1 is offset, the risk of breakage of the rotating shaft 71 is avoided, and the service life of the device is effectively prolonged.

the invention has the advantages of simple structure, easy operation, convenient entry of printed matters and suitability for printed matters with various thicknesses, and solves the problem of high production cost caused by the fact that the traditional compression roller device cannot effectively and adaptively print the printed matters with different thicknesses.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.