CN113246591A

CN113246591A - Axial adjusting mechanism for printing roller of book and periodical printing machine

Info

Publication number: CN113246591A
Application number: CN202110606952.8A
Authority: CN
Inventors: 喻力军; 周立洪; 彭英; 何柳; 李宇希
Original assignee: Changsha Jinying Printing Co ltd
Current assignee: Changsha Jinying Printing Co ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2021-08-13
Anticipated expiration: 2041-06-01
Also published as: CN113246591B

Abstract

The invention belongs to the technical field of book and periodical printing machines, and discloses an axial adjusting mechanism for a printing roller of a book and periodical printing machine. This book and periodical printing machine version roller axial adjustment mechanism, including transmission shaft, left wallboard and the right wallboard of controlling parallel distribution, mounting hole one and mounting hole two have been seted up respectively to the corresponding position on the wallboard of a left side and the wallboard of the right side, and the both ends of transmission shaft all are fixed cup joints respectively in mounting hole one and mounting hole two through the installation bearing, install version roller fine-tuning on the transmission shaft. The axial adjusting mechanism for the printing roller of the book and periodical printing machine is a creative adjusting mechanism with high equipment integration, the integration and the printing roller form an assembly, axial adjustment is achieved inside, transmission screw thread transmission direct adjustment greatly improves adjustment precision, equipment is simple to operate and convenient to maintain, the adjusting structure is slightly influenced by the outside, high-precision axial adjustment can be achieved, and the problem of being provided in the background technology is solved.

Description

Axial adjusting mechanism for printing roller of book and periodical printing machine

Technical Field

The invention relates to the technical field of book and periodical printing machines, in particular to an axial adjusting mechanism for a printing roller of a book and periodical printing machine.

Background

The book and periodical printing machine needs to perform axial fine adjustment on a printing roller during overprinting, the printing roller of the existing book and periodical printing machine axial adjusting mechanism moves axially along an outer sleeve in an axial mode in which the printing roller and an eccentric sleeve move together, the adjusting error is difficult to control, equipment is easy to operate and unstable, and other improved modes exist, Chinese patent (CN 111186207A) discloses an axial adjusting mechanism for a printing roller of a book and periodical printing machine, the axial adjusting mechanism comprises a printing roller, the left end of the printing roller penetrates through a left side wall plate, and the right end of the printing roller penetrates through a right side wall plate; the roller is corresponding to and installs the bearing on the roll body in left side wallboard hole and the right side wallboard hole respectively, and wherein the bearing upper bearing in the wallboard hole of left side sets up left eccentric cover, left side eccentric cover axial is spacing to be set up … … in the wallboard of left side, though carried out the improvement of eccentric cover, still do not break away from traditional regulation mode, and the regulation of going on through gear drive also is difficult to ensure the high accuracy.

Disclosure of Invention

The invention aims to provide an axial adjusting mechanism for a printing roller of a book and periodical printing machine, which is highly integrated in structure, convenient to overhaul and disassemble and capable of realizing high-precision axial fine adjustment.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a book and periodical printing machine version roller axial adjustment mechanism, includes transmission shaft, controls parallel distribution's left wallboard and right wallboard, mounting hole one and mounting hole two have been seted up respectively to the corresponding position on the wallboard of a left side and on the wallboard of the right side, and the both ends of transmission shaft all are fixed respectively through the installation bearing and cup joint in mounting hole one and mounting hole two, install version roller fine-tuning on the transmission shaft.

Preferably, the printing roller fine adjustment mechanism comprises an inner sleeve, an outer sleeve, a printing sleeve, a supporting block, a guiding groove, a guiding block, a micro motor, a transmission screw rod, a containing groove, a limiting block, an adjusting block, a transmission screw groove and an equipment groove, wherein the inner sleeve is sleeved on the transmission shaft and fixed through a bolt I, the outer sleeve is sleeved outside the inner sleeve, the length of the outer sleeve is larger than that of the inner sleeve, the difference value between the length of the outer sleeve and the length of the inner sleeve is-centimeter, the printing sleeve is sleeved outside the outer sleeve, four groups of supporting blocks are fixedly connected to the outer surface of the inner sleeve, two supporting blocks are arranged in one group, four guiding grooves which are parallel to each other are arranged on the inner wall of the outer sleeve, the guiding blocks are fixedly connected to the positions, corresponding to the guiding grooves, on the outer wall of the inner sleeve, the, the other end of drive screw passes through connecting bearing swing joint on the supporting shoe lateral wall that corresponds, the groove has been seted up and has been accomodate to the position that the guide way inner wall corresponds drive screw, the spacing groove has all been seted up on the side of accomodating inslot left and right sides, equal sliding connection has the stopper in two spacing inslots, the spacing inslot has been pegged graft and has been had the regulating block, two stopper difference fixed connection are the side of controlling of regulating block, the regulating block is close to one side of drive screw and has seted up the transmission thread groove, and drive screw and transmission thread groove meshing, the equipment groove has been seted up in the transmission shaft, the right-hand member in equipment groove is open form, still be provided with adjusting position calibration mechanism on the transmission shaft.

Preferably, the seal rings are movably sleeved on the transmission shaft and located on the left side and the right side of the outer sleeve, the two seal rings are fixedly connected with the left end face and the right end face of the outer sleeve through second bolts respectively, and one side, opposite to the two seal rings, of the two seal rings is in contact with the left end face and the right end face of the printing sleeve to fix the printing sleeve, so that the printing sleeve is convenient to replace.

Preferably, the adjusting position calibration mechanism comprises a current detector, a contact, detection rods, detection pins, detection rules, scale notches, resistance sheets, a telescopic groove and a return spring, wherein the telescopic groove is formed in a guide groove corresponding to the accommodating groove, the detection rules are inserted in the telescopic groove and movably connected with the bottom wall of the accommodating groove through the return spring, the detection rules are far away from the return spring and extend out of the guide groove to a position between two corresponding support blocks, the detection rules are provided with the scale notches which are arranged at equal intervals at one end far away from the return spring, the resistance sheets are bonded in the scale notches, the two detection pins are fixedly connected with the outer wall of the inner sleeve at positions corresponding to the detection rules and are respectively positioned at two sides of the detection rules, the detection pins are fixedly connected with one side of the detection pins close to the detection rules and are respectively contacted with two side surfaces of the detection rules, the current detector is fixedly installed at the positions corresponding to the detection rules in the equipment groove, two contacts of the current detector circuit are located on the outer wall of the inner sleeve, the two contacts are respectively contacted with the two detection rods, a resistance card contacted with the two detection needles forms a passage, the inner sleeve moving position can be obtained through an electric signal PLC obtained through current change, the adjustment accuracy is ensured, meanwhile, the inner sleeve is not communicated with the contacts, the electric signal is prevented from being influenced, and the inner sleeve can be made of an insulating material.

Preferably, the control box is further installed in the equipment groove, the PLC controller and the Bluetooth module are arranged in the control box, the Bluetooth module, the current detector and the micro motor are all electrically connected with the PLC controller, and information interaction can be achieved by sending the control accessible Bluetooth module of the PLC controller.

Preferably, a sealing cover is inserted at the right end in the equipment groove, a first wiring ring and a second wiring ring are respectively embedded on the outer side surface of the sealing cover, the second wiring ring is located on the inner side of the first wiring ring, wiring of the PLC is respectively connected with the first wiring ring and the second wiring ring, a connecting cover is installed on the right wall plate, a mounting hole II is located in the connecting cover, and a first electric brush and a second electric brush are respectively arranged on the inner wall of the connecting cover corresponding to the first wiring ring and the second wiring ring and used for supplying power to the equipment.

Preferably, the inner wall of the equipment groove is fixedly connected with a partition plate through a support rod, the right end of the partition plate is in contact with the inner side of the sealing cover, the length of the partition plate is three fourths of the length of the equipment groove, the axis of the partition plate coincides with the axis of the equipment groove, an air guide fan is installed between the lower side of the partition plate and the inner wall of the equipment groove, air guide holes are formed in the positions, located on the two inner sides of the wiring ring, of the sealing cover and the connecting cover, and the air guide fan is used for ventilation and heat dissipation of an electronic.

Preferably, the outer wall of the inner sleeve is provided with a ventilation cavity corresponding to the position of the micro motor, and the ventilation cavity is connected with the equipment groove through two communicating holes.

Preferably, the detection ruler is a plastic ruler, the distance between adjacent scale gaps is.mm, the width of the resistance card is.mm, and the resistance values of the resistance card are sequentially increased from left to right.

Preferably, four the guide way uses the axle center of transmission shaft as the reference and is the annular arrangement, has still seted up the location screw on the overcoat, and the location screw both ends are located the overcoat respectively about on the terminal surface and pass and accomodate the groove, location screw threaded connection has positioning screw, positioning screw's both ends and two seal ring threaded connection, positioning screw still with the regulating block be close to the one side contact of accomodating the groove diapire.

By adopting the technical scheme, the invention has the beneficial effects that:

1. the axial adjusting mechanism for the printing roller of the book and periodical printing machine is a creative adjusting mechanism with high equipment integration, the integration and the printing roller form an assembly, axial adjustment is achieved inside, transmission screw thread transmission direct adjustment greatly improves adjustment precision, equipment is simple to operate and convenient to maintain, the adjusting structure is slightly influenced by the outside, high-precision axial adjustment can be achieved, and the problem of being provided in the background technology is solved.

2. This book and periodical printing machine printing plate roller axial adjustment mechanism utilizes the design of adjusting position calibration mechanism, utilizes the change of resistance card to confirm the adjusting position, can ensure that printing sleeve axial displacement reaches the position that needs, and the accommodation process is quick accurate to based on this scheme, can carry out the size change to scale breach and resistance card and can realize different precision operation demands.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged view taken at B of FIG. 1 in accordance with the present invention;

FIG. 4 is an enlarged view of the invention at C of FIG. 1;

fig. 5 is an axial cross-sectional view of the measuring tape of the present invention.

In the figure: 1 transmission shaft, 2 left wall board, 3 right wall board, 4 first mounting hole, 5 second mounting hole, 6 roller fine adjustment mechanism, 61 inner sleeve, 62 outer sleeve, 63 printing sleeve, 64 supporting block, 65 guiding groove, 66 guiding block, 67 micro motor, 68 transmission screw, 69 accommodating groove, 610 limiting groove, 611 limiting block, 612 adjusting block, 613 transmission screw groove, 614 equipment groove, 7 adjusting position calibration mechanism, 71 current detector, 72 contact, 73 detecting rod, 74 detecting pin, 75 detecting ruler, 76 scale gap, 77 resistance sheet, 78 expansion groove, 79 reset spring, 8 sealing ring, 9 positioning screw, 10 control box, 11 PLC controller, 12 Bluetooth module, 13 sealing cover, 14 connecting ring I, 15 connecting ring II, 16 connecting cover, 17 electric brush I, 18 electric brush II, 19 baffle, 20 air guide fan, 21 air guide hole, 22 ventilation cavity, 23 communication hole, 24 positioning screw hole.

Detailed Description

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a book and periodical printing machine version roller axial adjustment mechanism, includes transmission shaft 1, controls parallel distribution's left wallboard 2 and right wallboard 3, and mounting hole one 4 and mounting hole two 5 have been seted up respectively to the corresponding position on left wallboard 2 and the right wallboard 3, and the both ends of transmission shaft 1 are all fixed the cup joint respectively in mounting hole one 4 and mounting hole two 5 through the installation bearing, install version roller fine-tuning 6 on the transmission shaft 1.

The printing roller fine adjustment mechanism 6 comprises an inner sleeve 61, an outer sleeve 62, a printing sleeve 63, a supporting block 64, a guide groove 65, a guide block 66, a micro motor 67, a transmission screw 68, a containing groove 69, a limiting groove 610, a limiting block 611, an adjusting block 612, a transmission screw groove 613 and an equipment groove 614, wherein the inner sleeve 61 is sleeved on the transmission shaft 1 and fixed through a bolt I, the outer sleeve 62 is sleeved on the outer side of the inner sleeve 61, the length of the outer sleeve 62 is larger than that of the inner sleeve 61, the difference value between the length of the outer sleeve and the length of the inner sleeve is 5-10 cm, the printing sleeve 63 is sleeved outside the outer sleeve 62, four groups of supporting blocks 64 are fixedly connected to the outer surface of the inner sleeve 61, two groups of supporting blocks 64 are arranged in one group, four mutually parallel guide grooves 65 are arranged on the inner wall of the outer sleeve 62, the guide blocks 66 are fixedly connected to the positions, corresponding to the guide grooves 65, the four groups of guide blocks 66 are respectively connected to the four guide grooves 65 in a sliding manner, the micro motor 67 is fixedly arranged on the outer wall of the inner sleeve 61 and positioned between the one group of supporting blocks 64, the output end of the micro motor 67 is fixedly connected with one end of a transmission screw 68 through a coupler, the other end of the transmission screw 68 is movably connected to the corresponding side wall of the supporting block 64 through a connecting bearing, a containing groove 69 is formed in the inner wall of the guide groove 65 corresponding to the position of the transmission screw 68, limiting grooves 610 are formed in the left side and the right side of the containing groove 69, limiting blocks 611 are connected in the two limiting grooves 610 in a sliding mode, adjusting blocks 612 are inserted in the limiting grooves 610, the two limiting blocks 611 are fixedly connected to the left side and the right side of the adjusting blocks 612 respectively, a transmission screw groove 613 is formed in one side, close to the transmission screw 68, of the adjusting blocks 612, the transmission screw 68 is meshed with the transmission screw groove 613, an equipment groove 614 is formed in the transmission shaft 1, the right end of the equipment groove 614 is open, and an adjusting position calibrating mechanism 7 is further arranged on the transmission shaft 1.

The seal rings 8 are movably sleeved on the transmission shaft 1 and located on the left side and the right side of the outer sleeve 62, the two seal rings 8 are fixedly connected with the left end face and the right end face of the outer sleeve 62 through bolts II, and one side, opposite to the two seal rings 8, of each seal ring 8 is in contact with the left end face and the right end face of the printing sleeve 63 to fix the printing sleeve 63, so that the printing sleeve 63 is convenient to replace.

The adjusting position calibration mechanism 7 comprises a current detector 71, a contact 72, a detection rod 73, a detection needle 74, a detection ruler 75, a scale gap 76, a resistance sheet 77, a telescopic groove 78 and a return spring 79, wherein the corresponding guide groove 65 of the accommodating groove 69 is internally provided with the telescopic groove 78, the detection ruler 75 is inserted in the telescopic groove 78, the detection ruler 75 is movably connected with the bottom wall of the accommodating groove 69 through the return spring 79, the detection ruler 75 is far away from the return spring 79 and extends out of the guide groove 65 to a position between the two corresponding supporting blocks 64, one end of the detection ruler 75 far away from the return spring 79 is provided with the scale gap 76 which is arranged at equal intervals, the resistance sheet 77 is adhered in the scale gap 76, the position corresponding to the detection ruler 75 on the outer wall of the inner sleeve 61 is fixedly connected with the two detection rods 73, the two detection rods 73 are respectively positioned at two sides of the detection ruler 75, the detection rods 73 are made of copper reeds, the electric conduction and the elasticity are good, one side of the detection rods 73 close to the detection ruler 75 is fixedly connected with the detection needle 74, and two detection needles 74 are respectively contacted with two side surfaces of the detection ruler 75, a current detector 71 is fixedly installed in the device groove 614 corresponding to the position of the detection ruler 75, two contacts 72 of a circuit of the current detector 71 are positioned on the outer wall of the inner sleeve 61, the two contacts 72 are respectively contacted with the two detection rods 73, a resistance sheet 77 contacted with the two detection needles 74 forms a through circuit, the PLC 11 can obtain the moving position of the inner sleeve 61 through an electric signal obtained through current change, the adjustment accuracy is ensured, meanwhile, the inner sleeve 61 is ensured not to be communicated with the contacts 72, the electric signal is prevented from being influenced, and the inner sleeve 61 can be made of an insulating material.

Still install control box 10 in the equipment groove 614, be provided with PLC controller 11 and bluetooth module 12 in the control box 10, bluetooth module 12, current detector 71 and micro motor 67 all are connected with PLC controller 11 electricity, send realization information interaction to PLC controller 11's control accessible bluetooth module 12.

The right end in the equipment groove 614 is inserted with a sealing cover 13, a first wiring ring 14 and a second wiring ring 15 are respectively embedded on the outer side surface of the sealing cover 13, the second wiring ring 15 is positioned on the inner side of the first wiring ring 14, the wiring of the PLC 11 is respectively connected with the first wiring ring 14 and the second wiring ring 15, the connecting cover 16 is installed on the right wall plate 3, the mounting hole II 5 is positioned in the connecting cover 16, and a first electric brush 17 and a second electric brush 18 are respectively arranged on the inner wall of the connecting cover 16 corresponding to the positions of the first wiring ring 14 and the second wiring ring 15 and used for supplying power to equipment.

The inner wall of the equipment groove 614 is fixedly connected with a partition plate 19 through a support rod, the right end of the partition plate 19 is in contact with the inner side of the sealing cover 13, the length of the partition plate 19 is three fourths of the length of the equipment groove 614, the axis of the partition plate 19 is overlapped with the axis of the equipment groove 614, an air guide fan 20 is installed between the lower side of the partition plate 19 and the inner wall of the equipment groove 614, air guide holes 21 are formed in the position, located on the inner side of the wiring ring II 15, of the sealing cover 13 and the connecting cover 16, and the air guide fan 20 is used for ventilation and heat dissipation of electronic devices in the mechanism and ensures that the mechanism can operate stably.

The outer wall of the inner sleeve 61 is provided with a ventilation cavity 22 corresponding to the position of the micro motor 67, and the ventilation cavity 22 is connected with the equipment groove 614 through two communication holes 23.

The detection ruler 75 is a plastic ruler, the distance between adjacent scale gaps 76 is 0.5 mm, the width of the resistance sheet 77 is 0.2 mm, and the resistance value of the resistance sheet 77 is sequentially increased from left to right.

The four guide grooves 65 are annularly arranged by taking the axis of the transmission shaft 1 as a reference, the outer sleeve 62 is further provided with positioning screw holes 24, two ends of each positioning screw hole 24 are respectively positioned on the left end surface and the right end surface of the outer sleeve 62 and penetrate through the accommodating groove 69, the positioning screw holes 24 are in threaded connection with positioning screws 9, two ends of each positioning screw 9 are in threaded connection with the two seal rings 8, the positioning screws 9 are in contact with one side of the bottom wall of the accommodating groove 69 close to the adjusting block 612, and the whole assembly and disassembly of the inner sleeve 61, the outer sleeve 62 and the printing sleeve 63 are facilitated.

When the axial adjusting mechanism for the printing roller of the book and periodical printing machine works, an adjusting instruction can be sent to the PLC 11 through the Bluetooth module 12, the micro motor 67 works to drive the adjusting block 612 to move to drive the outer sleeve 62 and the printing sleeve 63 to move, the resistance sheet 77 contacted by the detection pin 74 is switched through the movement of the detection ruler 75, and the obtained current change information can help the PLC 11 to confirm that the adjustment is in place and complete the adjustment.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a book and periodical printing machine version roller axial adjustment mechanism, includes transmission shaft (1), controls parallel distribution's left wallboard (2) and right wallboard (3), its characterized in that: a first mounting hole (4) and a second mounting hole (5) are respectively formed in corresponding positions on the left wall plate (2) and the right wall plate (3), two ends of the transmission shaft (1) are respectively fixedly sleeved in the first mounting hole (4) and the second mounting hole (5) through mounting bearings, and the transmission shaft (1) is provided with a printing roller fine adjustment mechanism (6);

the printing roller fine adjustment mechanism (6) comprises an inner sleeve (61), an outer sleeve (62), a printing sleeve (63), a supporting block (64), a guide groove (65), a guide block (66), a micro motor (67), a transmission screw (68), an accommodating groove (69), a limiting groove (610), a limiting block (611), an adjusting block (612), a transmission screw groove (613) and an equipment groove (614), wherein the inner sleeve (61) is sleeved on the transmission shaft (1) and fixed through a bolt I, the outer sleeve (62) is sleeved on the outer side of the inner sleeve (61), the length of the outer sleeve (62) is larger than that of the inner sleeve (61), the difference value between the length of the outer sleeve and the length of the inner sleeve is 5-10 cm, the printing sleeve (63) is sleeved on the outer portion of the outer sleeve (62), four groups of supporting blocks (64) are fixedly connected to the outer surface of the inner sleeve (61), two groups of the supporting blocks (64) are arranged in a group, four guide grooves (65) which are parallel to each other are arranged on the inner wall of the outer sleeve (62), the position of the supporting block (64) corresponding to the guide grooves (65) is fixedly connected with guide blocks (66), four groups of guide blocks (66) are respectively connected in the four guide grooves (65) in a sliding manner, the outer wall of the inner sleeve (61) is fixedly arranged between the supporting blocks (64), the output end of the micro motor (67) is fixedly connected with one end of a transmission screw (68) through a coupler, the other end of the transmission screw (68) is movably connected on the corresponding side wall of the supporting block (64) through a connecting bearing, the position of the inner wall of the guide groove (65) corresponding to the transmission screw (68) is provided with an accommodating groove (69), the left side and the right side in the accommodating groove (69) are respectively provided with a limiting groove (610), two limiting grooves (610) are respectively connected with limiting blocks (611) in a sliding manner, adjusting blocks (612) are inserted in the limiting grooves (610), and the two limiting blocks (611) are respectively and fixedly connected on the left side and the right side of the adjusting blocks (612), a transmission screw groove (613) is formed in one side, close to the transmission screw rod (68), of the adjusting block (612), the transmission screw rod (68) is meshed with the transmission screw groove (613), an equipment groove (614) is formed in the transmission shaft (1), the right end of the equipment groove (614) is open, and an adjusting position calibrating mechanism (7) is further arranged on the transmission shaft (1).

2. The axial adjusting mechanism for the printing plate roller of the book and periodical printing machine, according to claim 1, is characterized in that: sealing rings (8) are movably sleeved on the left side and the right side of the outer sleeve (62) on the transmission shaft (1), the two sealing rings (8) are fixedly connected with the left end face and the right end face of the outer sleeve (62) respectively through bolts II, and one side, opposite to the two sealing rings (8), of each sealing ring is in contact with the left end face and the right end face of the printing sleeve (63) to fix the printing sleeve (63).

3. The axial adjusting mechanism for the printing roller of the book and periodical printing machine, according to claim 2, is characterized in that: the adjusting position calibration mechanism (7) comprises a current detector (71), a contact (72), a detection rod (73), a detection needle (74), a detection ruler (75), a scale gap (76), a resistance card (77), a telescopic groove (78) and a reset spring (79), the telescopic groove (78) is formed in the guide groove (65) corresponding to the accommodating groove (69), the detection ruler (75) is inserted in the telescopic groove (78), the detection ruler (75) is movably connected with the bottom wall of the accommodating groove (69) through the reset spring (79), the detection ruler (75) is far away from the reset spring (79) and extends out of the guide groove (65) to a position between two corresponding support blocks (64), the scale gaps (76) which are arranged at equal intervals are formed in one end, far away from the reset spring (79), of the detection ruler (75), the resistance card (77) is adhered in the scale gap (76), two detection rods (73) are fixedly connected to the outer wall of the inner sleeve (61) corresponding to the position of the detection ruler (75), and two detection rods (73) are respectively positioned at two sides of the detection ruler (75), one side of the detection rod (73) close to the detection ruler (75) is fixedly connected with a detection needle (74), the two detection needles (74) are respectively contacted with two side faces of the detection ruler (75), a current detector (71) is fixedly arranged in the equipment groove (614) corresponding to the position of the detection ruler (75), two contacts (72) of a circuit of the current detector (71) are positioned on the outer wall of the inner sleeve (61), and the two contacts (72) are respectively contacted with the two detection rods (73).

4. The axial adjusting mechanism for the printing roller of the book and periodical printing machine, according to claim 3, is characterized in that: still install control box (10) in equipment groove (614), be provided with PLC controller (11) and bluetooth module (12) in control box (10), bluetooth module (12), current detector (71) and micro motor (67) all are connected with PLC controller (11) electricity.

5. The axial adjustment mechanism for the printing roller of the book and periodical printing machine, according to claim 4, is characterized in that: the right end in the equipment groove (614) is spliced with a sealing cover (13), a first wiring ring (14) and a second wiring ring (15) are respectively embedded on the outer side surface of the sealing cover (13), the second wiring ring (15) is positioned on the inner side of the first wiring ring (14), the wiring of the PLC (11) is respectively connected with the first wiring ring (14) and the second wiring ring (15), a connecting cover (16) is installed on the right wall plate (3), the second mounting hole (5) is positioned in the connecting cover (16), and a first electric brush (17) and a second electric brush (18) are respectively arranged on the inner wall of the connecting cover (16) in positions corresponding to the first wiring ring (14) and the second wiring ring (15) and used for supplying power to equipment.

6. The axial adjustment mechanism for the printing roller of the book and periodical printing machine, according to claim 5, is characterized in that: the equipment groove (614) inner wall is fixedly connected with a partition plate (19) through a support rod, the right end of the partition plate (19) is in contact with the inner side of the sealing cover (13), the length of the partition plate (19) is three fourths of the length of the equipment groove (614), the axis of the partition plate (19) is superposed with the axis of the equipment groove (614), an air guide fan (20) is installed between the lower side of the partition plate (19) and the inner wall of the equipment groove (614), and air guide holes (21) are formed in the position, located on the inner side of the wiring ring two (15), of the sealing cover (13) and the connecting cover (16).

7. The axial adjustment mechanism for the printing roller of the book and periodical printing machine, according to claim 6, is characterized in that: the outer wall of the inner sleeve (61) is provided with a ventilation cavity (22) corresponding to the position of the micro motor (67), and the ventilation cavity (22) is connected with the equipment groove (614) through two communicating holes (23).

8. The axial adjustment mechanism for the printing roller of the book and periodical printing machine, according to claim 7, is characterized in that: the detection ruler (75) is a plastic ruler, the distance between adjacent scale gaps (76) is 0.5 mm, the width of the resistance card (77) is 0.2 mm, and the resistance values of the resistance card (77) are sequentially increased from left to right.

9. The axial adjustment mechanism for the printing roller of the book and periodical printing machine, according to claim 8, is characterized in that: four guide way (65) use the axle center of transmission shaft (1) to be the annular and arrange as the reference, still seted up location screw (24) on overcoat (62), location screw (24) both ends are located respectively on the terminal surface of controlling of overcoat (62) and pass and accomodate groove (69), location screw (24) female connection has positioning screw (9), the both ends and two seal ring (8) threaded connection of positioning screw (9), positioning screw (9) still are close to the one side contact of accomodating groove (69) diapire with regulating block (612).