CN117124711A - Double-sided printing machine with gear box and circumferential adjustment method of printing roller - Google Patents

Abstract

The invention relates to the field of printing machines, in particular to a double-sided printing machine with a gear box and a circumferential adjustment method of the printing rollers, comprising a first printing roller, a second printing roller and a synchronous gear box, wherein the synchronous gear box comprises a first output shaft, a second output shaft, an adjustment mechanism and a differential mechanism, the adjustment mechanism comprises a rotating shaft, a worm wheel and a worm, the worm wheel is arranged on the rotating shaft, the worm wheel is meshed with the worm, the differential mechanism comprises a connecting sleeve, a first bevel gear, a second bevel gear and a third bevel gear, the first bevel gear is in transmission connection with the rotating shaft, the second bevel gear is in transmission connection with the second output shaft, the connecting sleeve is fixedly arranged on the second gear, the third bevel gear is arranged on the connecting sleeve, and the rotating worm drives the worm wheel to rotate and drives the first bevel gear to rotate and drives the second bevel gear to rotate through the third bevel gear, so that the second output shaft rotates around the axis of the worm wheel, and the circumferential relative position of a printing pattern of the second printing roller and the first printing roller is changed.

Description

Double-sided printing machine with gear box and circumferential adjustment method of printing roller

Technical Field

The invention relates to the field of printing machines, in particular to a double-sided printing machine with a gear box and a circumferential adjustment method of a printing roller.

Background

The existing cloth is mostly single-sided printing, the availability of the single-sided printing cloth is low, and the same forehead patterns can only be printed on the front side and the back side of the cloth to improve the availability, and the positions, shapes, sizes and distribution of the patterns on the front side and the back side of the cloth are required to be completely aligned during double-sided printing, otherwise, the patterns on the two sides are misplaced, so that the attractive effect of the cloth can be reduced. Along with the development of double-sided printing, aiming at some products needing printing on both sides, the patterns on both sides are required to be consistent, and the problem that the printing dislocation cannot be controlled easily caused because the stretching accumulated error can occur in the continuous printing process of the conventional double-sided printing.

It is desirable to design a printing machine that can adjust the relative position of the pattern of the printing machine.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides a double-sided printing machine with a gear box and a circumferential adjustment method of a printing roller.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the utility model provides a two-sided calico printing machine with gear box, includes first calico printing roller, second calico printing roller, its characterized in that: the synchronous gearbox comprises a first output shaft, a second output shaft, an adjusting mechanism and a differential mechanism, wherein the first printing roller is in transmission connection with the first output shaft, the second printing roller is connected with the second output shaft, a first gear is arranged on the first output shaft, a second gear is arranged on the second output shaft, and the first gear and the second gear are meshed to enable the first gear and the second gear to synchronously rotate;

the adjusting mechanism comprises a rotating shaft, a worm wheel and a worm, the worm wheel is arranged on the rotating shaft, the worm wheel is meshed with the worm, the differential mechanism comprises a connecting sleeve, a first bevel gear, a second bevel gear and a third bevel gear, the first bevel gear is in transmission connection with the rotating shaft, the second bevel gear is in transmission connection with a second output shaft, the connecting sleeve is fixedly arranged on one side of the second gear, which faces the worm wheel, the third bevel gear is arranged on the connecting sleeve and is meshed with the first bevel gear and the second bevel gear respectively, the worm wheel is driven to rotate by the rotating worm wheel, the first bevel gear is driven to rotate and the second bevel gear is driven to rotate by the third bevel gear, so that the second output shaft rotates around the axis of the differential mechanism, and the circumferential relative position of the printing patterns of the second printing roller and the first printing roller is changed.

Further, the novel gear connecting sleeve is of a U-shaped structure and is provided with an opening arranged towards the direction of the worm wheel, the third bevel gear and the fourth bevel gear are respectively rotatably arranged on two sides in the opening, the third bevel gear is respectively meshed with the first bevel gear and the second bevel gear, and the fourth bevel gear is respectively meshed with the first bevel gear and the second bevel gear.

Further, the device further comprises a fourth bevel gear and a shaft coupling sleeve, wherein the third bevel gear and the fourth bevel gear are respectively arranged in the connecting sleeve and are respectively meshed with the first bevel gear and the second bevel gear, two connecting rods which are symmetrically arranged along the shaft coupling sleeve axis are arranged on the shaft coupling sleeve, the shaft coupling sleeve is arranged in the connecting sleeve, one ends, adjacent to the rotating shaft, of the second output shaft can be respectively extended to penetrate through the shaft coupling sleeve, and the two connecting rods are respectively connected to two sides of the circumference of the connecting sleeve and pass through the third bevel gear and the fourth bevel gear.

Furthermore, the connecting sleeve is in a split cylindrical structure, a first through hole transversely penetrating through the connecting sleeve along the axis of the connecting sleeve and a second through hole vertically penetrating through the connecting sleeve along the axis of the connecting sleeve are arranged on the connecting sleeve, the connecting sleeve and the first through hole are coaxially arranged, the connecting rods and the second through hole are coaxially arranged, and the two connecting rods are respectively connected into the second through holes.

Further, the connecting sleeve comprises a first sleeve and a second sleeve, and the first sleeve and the second sleeve are mutually locked to form the first perforation and the second perforation. Furthermore, the adjusting mechanism further comprises a hand wheel, the hand wheel is connected with the worm, and the worm can be driven to rotate by rotating the hand wheel.

Further, the novel gear box further comprises a third output shaft, the first output shaft is located between the second output shaft and the third output shaft, a third gear is further arranged on the first output shaft, a fourth gear is arranged on the third output shaft, and the third gear is meshed with the fourth gear, so that the first gear, the second gear, the third gear and the fourth gear synchronously rotate.

Further, the device also comprises a third embossing roller, and the third embossing roller is in transmission connection with a third output shaft.

Further, the motor drive system also comprises a driving motor which is in transmission connection with the first output shaft and is used for driving the first output shaft to actively rotate.

In the working state, the worm wheel and the first bevel gear are kept motionless, the first output shaft actively rotates to drive the first printing roller to rotate, and meanwhile, the first gear drives the second gear to rotate and the connecting sleeve is rotated;

under the shut-down state, the first output shaft keeps motionless, and first gear and second gear keep motionless, rotate worm drive worm wheel rotation, and worm wheel rotation drives first bevel gear and rotates, because the second gear is motionless for first bevel gear passes through third bevel gear and drives second bevel gear and take place to rotate, makes the second stamp roller take place to rotate around self axis, thereby makes the relative position of second stamp roller pattern and first stamp roller pattern of adjusting on circumference position.

As can be seen from the above description of the present invention, compared with the prior art, the double-sided printing machine with the gear box and the circumferential adjustment method of the printing roller provided by the present invention have the following advantages:

the synchronous gearbox is arranged to drive the first printing roller and the second printing roller to synchronously rotate, so that the double-sided printing function is realized;

under the working state of the double-sided printing machine, the second output shaft and the first output shaft are driven to synchronously rotate by the differential mechanism; can realize that the second stamp roller of non-stop state adjustment makes only that the second output shaft rotates around self axis through adjustment mechanism and differential mechanism cooperation to realize carrying out circumferential adjustment to the second stamp roller, make the stamp pattern of adjusting to the second stamp roller and the stamp pattern of first stamp roller be in relative position state, avoid appearing the problem emergence of stamp dislocation on the calico printing material.

The simultaneous arrangement of the third bevel gear and the fourth bevel gear can provide good stability for the operation of the differential mechanism;

the arrangement of the connecting sleeve can play an important role in actively adjusting the printing roller along with the second gear, and can play a certain supporting role between the second output shaft and the rotating shaft; and the arrangement of the connecting sleeve and the sleeve can ensure that the second output shaft and the rotating shaft are always arranged coaxially, and the third bevel gear and the fourth bevel gear are also ensured to be arranged coaxially.

Drawings

Fig. 1 is a schematic diagram of a double-sided printing machine with a gear case according to the present invention.

Fig. 2 is a schematic diagram of the internal structure of the synchronous gearbox of the present invention.

Fig. 3 is a schematic structural view of a differential mechanism according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a differential mechanism according to an embodiment of the invention.

Fig. 5 is a schematic view of the cross-sectional structure of fig. 4 according to the present invention.

Fig. 6 is a schematic structural diagram of a coupling sleeve according to a second embodiment of the present invention.

Fig. 7 is a schematic diagram showing connection between a connecting sleeve and a sleeve in a second embodiment of the present invention.

The correspondence identified in the figure is as follows: 1. a first embossing roll; 2. a second embossing roll; 3. a third embossing roll; 4. a synchronous gearbox; 41. a first output shaft; 411. a driving motor; 42. a second output shaft; 43. a third output shaft; 44. a first gear; 45. a second gear; 46. a third gear; 47. a fourth gear; 5. an adjusting mechanism; 51. a rotating shaft; 52. a worm wheel; 53. a worm; 54. a hand wheel; 6. a differential mechanism; 61. connecting sleeves; 611. an opening; 61a, connecting sleeve; 611a, a first set; 612a second set; 613a, first perforations; 614a, second perforations; 62. a first bevel gear; 63. a second bevel gear; 64. a third bevel gear; 65. a fourth bevel gear; 7. a coupling sleeve; 71. and a connecting rod.

Detailed Description

The invention is further described below by means of specific embodiments.

Referring to fig. 1 to 7, a double-sided printing machine with a gear box includes a first printing roller 1, a second printing roller 2, a third printing roller 3, a synchronous gear box 4, an adjusting mechanism 5, and a differential mechanism 6.

In the first embodiment, referring to fig. 1 to 3, the synchronous gear box 4 is used for driving the double-sided printing machine, a first output shaft 41 and a second output shaft 42 are arranged in the synchronous gear box 4, the first printing roller 1 is in transmission connection with the first output shaft 41, and the second printing roller 2 is connected with the second output shaft 42. The first output shaft 41 is provided with a first gear 44, the second output shaft 42 is provided with a second gear 45, the first gear 44 is meshed with the second gear 45, and the first output shaft 41 drives the first gear 44 to rotate so that the first gear 44 and the second gear 45 synchronously rotate.

The adjusting mechanism 5 and the second output shaft 42 are coaxially arranged, and the adjusting mechanism 5 and the second output shaft 42 are in transmission connection through the differential mechanism 6; the adjusting mechanism 5 comprises a rotating shaft 51, a worm wheel 52 and a worm 53, the worm wheel 52 is arranged on the rotating shaft 51, the rotating shaft 51 is arranged in the synchronous gearbox 4 and is coaxially arranged with the second output shaft 42, the worm wheel 52 is meshed with the worm 53, the worm 53 rotates to drive the worm wheel 52 to rotate, the rotation of the worm wheel 52 can drive the second output shaft 42 to rotate through the differential mechanism 6, and when the worm wheel 52 is motionless, the rotation of the second output shaft 42 can not influence the rotation of the worm wheel 52.

The differential mechanism 6 comprises a connecting sleeve 61, a first bevel gear 62, a second bevel gear 63, a third bevel gear 64 and a fourth bevel gear 65, wherein the first bevel gear 62 is in transmission connection with the rotating shaft 51 and is arranged on one side facing the second gear 45, the second bevel gear 63 is in transmission connection with the second output shaft 42 and is arranged on one side facing the worm gear 52, the connecting sleeve 61 is fixedly arranged on one side of the second gear 45 facing the worm gear 52, so that the second gear 45 rotates to drive the connecting sleeve 61 to rotate together, the connecting sleeve 61 is in a U-shaped structure and is provided with an opening 611 facing the worm gear 52, the third bevel gear 64 and the fourth bevel gear 65 are respectively rotatably arranged on two sides in the opening 611, the third bevel gear 64 is respectively meshed with the first bevel gear 62 and the second bevel gear 63, the fourth bevel gear 65 is respectively meshed with the first bevel gear 62 and the second bevel gear 63, and the third bevel gear 64 and the fourth bevel gear 65 are symmetrically arranged along the axis of the second output shaft 42; the rotation of the first bevel gear 62 can drive the second bevel gear 63 to rotate through the third bevel gear 64 and the fourth bevel gear 65, and the second bevel gear 63 is in transmission connection with the second output shaft 42, so that the second output shaft 42 can be driven to rotate, and when the second gear 45 is meshed with the first gear 44 to rotate, the rotation of the second output shaft 42 driven by the rotation of the second gear 45 can not influence the rotation of the first bevel gear 62.

The adjusting mechanism 5 further comprises a hand wheel 54, the hand wheel 54 is connected with the worm 53, the worm 53 can be driven to rotate by rotation of the hand wheel 54, and the hand wheel 54 can be controlled by connecting a motor through manual rotation.

A third output shaft 43, the first output shaft 41 is located between the second output shaft 42 and the third output shaft 43, a third gear 46 is further provided on the first output shaft 41, a fourth gear 47 is provided on the third output shaft 43, the third gear 46 and the fourth gear 47 are meshed, so that the first gear 44, the second gear 45, the third gear 46 and the fourth gear 47 synchronously rotate; and the third embossing roller 3 is in transmission connection with the third output shaft 43, and the third embossing roller is used as a transfer roller to transfer paper on the first embossing roller.

The driving motor 411 is in transmission connection with the first output shaft 41 and is used for driving the first output shaft 41 to actively rotate.

In the second embodiment, referring to fig. 4 to 7, the third bevel gear 64 and the fourth bevel gear 65 are respectively disposed in the connecting sleeve 61a and respectively meshed with the first bevel gear 62 and the second bevel gear 63, the connecting sleeve 7 is provided with two connecting rods 71 symmetrically disposed along the axis of the connecting sleeve 7, the connecting sleeve 7 is disposed in the connecting sleeve 61a, one end of the second output shaft 42 adjacent to the rotating shaft 51 can be respectively extended and inserted into the connecting sleeve 7, and the two connecting rods 71 are respectively connected to two circumferential sides of the connecting sleeve 61a and respectively disposed through the third bevel gear 64 and the fourth bevel gear 65. The connecting sleeve 61a is in a split cylindrical structure, a first perforation 613a which is transversely penetrated along the axis of the connecting sleeve 61a and a second perforation 614a which is vertically penetrated along the axis of the connecting sleeve 61a are arranged on the connecting sleeve 61a, the sleeve 7 and the first perforation 613a are coaxially arranged, the two connecting rods 71 and the second perforation 614a are coaxially arranged, the two connecting rods 71 are respectively connected into the second perforation 614a, and the second rotating shaft 42 and the rotating shaft 51 respectively extend into the sleeve 7 along the two ends of the first perforation 613 a. The connecting sleeve 61a comprises a first sleeve member 611a and a second sleeve member 612a, and the first sleeve member 611a and the second sleeve member 612a are mutually locked to form the first through hole 613a and the second through hole 614a.

The connecting sleeve 61a in the second embodiment is of a split structure, which is more convenient to install compared with the first embodiment, the connecting sleeve barrel 7 in the second embodiment can support the second output shaft 42 and the rotating shaft 51, the rotation of the second output shaft 42 and the rotating shaft 51 is not affected, the connecting rod 71 can also support and connect the third bevel gear 64 and the fourth bevel gear 65, the stability of the third bevel gear 64 and the fourth bevel gear 65 in the rotating process of the connecting sleeve 61a is improved, and the rotation of the third bevel gear 64 and the fourth bevel gear 65 cannot be affected by the arrangement of the connecting rod 71.

The working principle of the double-sided printing machine with the gear box is as follows:

in the adjustment process of the non-stop state, the worm gear 52 and the first bevel gear 62 are kept motionless, the first output shaft 41 actively rotates to drive the first printing roller 1 to rotate in the working state of the printing machine, meanwhile, the first gear 44 drives the second gear 45 to rotate, the second gear 45 rotates to drive the connecting sleeve 61 to rotate, and as the first bevel gear 62 is kept motionless and the third bevel gear 64 is meshed with the first bevel gear 62 and the second bevel gear 63, the fourth bevel gear 65 is meshed with the first bevel gear 62 and the second bevel gear 63, the connecting sleeve 61 drives the third bevel gear 64 and the fourth bevel gear 65 to rotate around the axis of the second output shaft 42, and in the rotation process, the third bevel gear 64 and the fourth bevel gear 65 are driven to rotate around the axis of the first bevel gear 63, so that the second output shaft 42 is driven to start rotating and the second printing roller 2 is driven to rotate, and the synchronous rotation with the first printing roller 1 is realized; the worm 53 drives the worm wheel 52 to rotate, the worm wheel 52 rotates to drive the first bevel gear 62 to rotate, so that the first bevel gear 62 directly drives the second bevel gear 63 to rotate through the third bevel gear 64 and the fourth bevel gear 65, and the circumferential position of the second printing roller 2 relative to the first printing roller 1 is changed around the axis of the second printing roller 2 in the process of re-rotating, so that the relative position of the printing pattern of the second printing roller 2 and the printing pattern of the first printing roller 1 is adjusted in the circumferential position.

In the adjustment process of the stop state, the driving motor 411 stops working to keep the first output shaft 41 motionless, the first gear 44 and the second gear 45 keep motionless, the rotating worm 53 drives the worm gear 52 to rotate, the worm gear 52 rotates to drive the first bevel gear 62 to rotate, and the connecting sleeve 61 cannot rotate because the second gear 45 motionless, so that the first bevel gear 62 directly drives the second bevel gear 63 to rotate through the third bevel gear 64 and the fourth bevel gear 65, and the second printing roller 2 rotates around the axis of the second bevel gear 63, thereby adjusting the relative position of the printing pattern of the second printing roller 2 and the printing pattern of the first printing roller 1 on the circumferential position, measuring and calculating the position of the offset of the printing pattern in advance by a worker to obtain the angle of rotation, and adjusting the hand wheel 54 to make the printing pattern be in the relative position state.

The foregoing is merely one specific embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modification of the present invention by using the concept shall belong to the behavior of infringement of the protection scope of the present invention.

Claims (10)

1. The utility model provides a two-sided calico printing machine with gear box, includes first calico printing roller, second calico printing roller, its characterized in that: the synchronous gearbox comprises a first output shaft, a second output shaft, an adjusting mechanism and a differential mechanism, wherein the first printing roller is in transmission connection with the first output shaft, the second printing roller is connected with the second output shaft, a first gear is arranged on the first output shaft, a second gear is arranged on the second output shaft, and the first gear and the second gear are meshed to enable the first gear and the second gear to synchronously rotate;

the adjusting mechanism comprises a rotating shaft, a worm wheel and a worm, the worm wheel is arranged on the rotating shaft, the worm wheel is meshed with the worm, the differential mechanism comprises a connecting sleeve, a first bevel gear, a second bevel gear and a third bevel gear, the first bevel gear is in transmission connection with the rotating shaft, the second bevel gear is in transmission connection with a second output shaft, the connecting sleeve is fixedly arranged on one side of the second gear, which faces the worm wheel, the third bevel gear is arranged on the connecting sleeve and is meshed with the first bevel gear and the second bevel gear respectively, the worm wheel is driven to rotate by the rotating worm wheel, the first bevel gear is driven to rotate by the worm wheel and the second bevel gear is driven to rotate by the third bevel gear, so that the second output shaft rotates around the axis of the differential mechanism, and the circumferential relative position of a printing pattern of the second printing roller and the first printing roller is changed.

2. A double-sided printing machine with a gearbox according to claim 1, characterized in that: the connecting sleeve is of an integrated U-shaped structure and is provided with an opening arranged towards the worm gear, the third bevel gear and the fourth bevel gear are respectively rotatably arranged on two sides in the opening, the third bevel gear is respectively meshed with the first bevel gear and the second bevel gear, and the fourth bevel gear is respectively meshed with the first bevel gear and the second bevel gear.

3. A double-sided printing machine with a gearbox according to claim 1, characterized in that: the novel gear coupling sleeve comprises a connecting sleeve, a first bevel gear, a second bevel gear, a third bevel gear, a fourth bevel gear, a connecting sleeve and two connecting rods, wherein the connecting sleeve is respectively arranged in the connecting sleeve and is respectively meshed with the first bevel gear and the second bevel gear, the connecting rods are symmetrically arranged along the axis of the connecting sleeve, the connecting sleeve is arranged in the connecting sleeve, one end, adjacent to a rotating shaft, of the second output shaft can be respectively prolonged to penetrate through the connecting sleeve, and the two connecting rods are respectively connected to two sides of the circumference of the connecting sleeve and pass through the third bevel gear and the fourth bevel gear.

4. A double-sided printing machine with a gearbox according to claim 3, characterized in that: the connecting sleeve is in a split type cylindrical structure, a first perforation transversely penetrating through the connecting sleeve along the axis of the connecting sleeve and a second perforation vertically penetrating through the connecting sleeve along the axis of the connecting sleeve are arranged on the connecting sleeve, the connecting sleeve and the first perforation are coaxially arranged, the connecting rods and the second perforation are coaxially arranged, and the two connecting rods are respectively connected into the second perforation.

5. A double-sided printing machine with a gearbox according to claim 4, characterized in that: the connecting sleeve comprises a first sleeve and a second sleeve, and the first sleeve and the second sleeve are mutually locked to form the first perforation and the second perforation.

6. A double-sided printing machine with a gearbox according to claim 1, characterized in that: the adjusting mechanism further comprises a hand wheel, the hand wheel is connected with the worm, and the worm can be driven to rotate by rotating the hand wheel.

7. A double-sided printing machine with a gearbox according to claim 1, characterized in that: the novel gear box is characterized by further comprising a third output shaft, wherein the first output shaft is positioned between the second output shaft and the third output shaft, a third gear is further arranged on the first output shaft, a fourth gear is arranged on the third output shaft, and the third gear is meshed with the fourth gear, so that the first gear, the second gear, the third gear and the fourth gear synchronously rotate.

8. A double-sided printing machine with a gearbox according to claim 1, characterized in that: the printing machine further comprises a third printing roller, and the third printing roller is in transmission connection with a third output shaft.

9. A double-sided printing machine with a gearbox according to claim 1, characterized in that: the driving motor is in transmission connection with the first output shaft and is used for driving the first output shaft to actively rotate.

10. A method for circumferential adjustment of a printing roller, based on a double-sided printing machine with a gearbox according to any one of claims 1-9, characterized in that: in the working state, the worm gear and the first bevel gear are kept motionless, the first output shaft actively rotates to drive the first printing roller to rotate, and meanwhile, the first gear drives the second gear to rotate and the connecting sleeve rotate;

under the shut-down state, the first output shaft keeps motionless, and first gear and second gear keep motionless, rotate worm drive worm wheel rotation, and worm wheel rotation drives first bevel gear and rotates, because the second gear is motionless for first bevel gear passes through third bevel gear and drives second bevel gear and take place to rotate, makes the second stamp roller take place to rotate around self axis, thereby makes the relative position of second stamp roller pattern and first stamp roller pattern of adjusting on circumference position.