CN216612742U - Digital printing conduction band device of dual drive - Google Patents
Digital printing conduction band device of dual drive Download PDFInfo
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- CN216612742U CN216612742U CN202123318341.8U CN202123318341U CN216612742U CN 216612742 U CN216612742 U CN 216612742U CN 202123318341 U CN202123318341 U CN 202123318341U CN 216612742 U CN216612742 U CN 216612742U
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Abstract
The utility model discloses a dual-drive digital printing guide belt device, wherein a rack assembly comprises a first rack and a second rack; the main transmission assembly comprises a main driving mechanism, a main transmission roller and a main transmission bearing; the main driving mechanism is arranged on the first rack or the second rack, and the driving output end of the main driving mechanism is connected with the main driving roller and drives the main driving roller to rotate; the auxiliary transmission assembly comprises an auxiliary driving mechanism, an auxiliary transmission roller and an auxiliary transmission bearing; the auxiliary driving mechanism is arranged on the first rack or the second rack, and the driving output end of the auxiliary driving mechanism is connected with the auxiliary driving roller and drives the auxiliary driving roller to rotate; the main driving mechanism and the auxiliary driving mechanism are electrically connected with the same driving unit, the main driving roller and the auxiliary driving roller are arranged in a closed loop of the conduction band and connected with the inner wall of the conduction band, and the main driving roller and the auxiliary driving roller tighten the conduction band together and drive the conduction band to move. The double-drive digital printing guide belt device solves the problems of low precision and low printing efficiency of printing guide belts.
Description
Technical Field
The utility model relates to the technical field of digital printing, in particular to a dual-drive digital printing guide belt device.
Background
In the existing guide belt type digital printing equipment, a servo motor is mainly used for driving a printing guide belt to provide power for a driving roller, so that the printing guide belt is driven to step. Because the printing guide belt has at least two or more roller shafts to guide the printing guide belt, the printing guide belt is driven only by the power of a single shaft in the existing structure, the driving of the printing guide belt is delayed by the inertia of a driven roller and the elasticity of the printing guide belt, the acceleration and deceleration and the maximum speed of the printing guide belt during stepping are limited, and the precision and the printing efficiency of the printing guide belt are low. In addition, when the printing guide belt is stepped, the driving roller needs to drive other roller shafts through the printing guide belt, the bearable tension of the printing guide belt is very limited, and the printing guide belt is likely to deform.
SUMMERY OF THE UTILITY MODEL
In view of the above defects, the present invention provides a dual-drive digital printing guide belt device, which solves the problems of low precision and low printing efficiency of printing guide belts.
In order to achieve the purpose, the utility model adopts the following technical scheme: a dual-drive digital printing guide belt device comprises a main transmission component, a guide belt, a rack component and an auxiliary transmission component;
the rack assembly comprises a first rack and a second rack, and the main transmission assembly and the auxiliary transmission assembly are arranged between the first rack and the second rack;
the main transmission assembly comprises a main driving mechanism, a main transmission roller and a main transmission bearing; the first frame and the second frame are both provided with the main transmission bearings, and two ends of the main transmission roller are respectively arranged in the two main transmission bearings; the main driving mechanism is arranged on the first rack or the second rack, and a driving output end of the main driving mechanism is connected with the main driving roller and drives the main driving roller to rotate;
the auxiliary transmission assembly comprises an auxiliary driving mechanism, an auxiliary transmission roller and an auxiliary transmission bearing; the first rack and the second rack are both provided with the auxiliary transmission bearings, and two ends of the auxiliary transmission roller are respectively arranged in the two auxiliary transmission bearings; the auxiliary driving mechanism is arranged on the first rack or the second rack, and a driving output end of the auxiliary driving mechanism is connected with the auxiliary driving roller and drives the auxiliary driving roller to rotate;
the main driving mechanism and the auxiliary driving mechanism are electrically connected with the same driving unit, the main driving roller is parallel to the auxiliary driving roller, the main driving roller and the auxiliary driving roller are arranged in the closed loop of the conduction band and are connected with the inner wall of the conduction band, and the main driving roller and the auxiliary driving roller tighten the conduction band together and drive the conduction band to move.
It is worth to say that the auxiliary transmission assembly further comprises a sliding bearing seat, and the auxiliary transmission bearing is fixed to the first frame and the second frame through the sliding bearing seat;
the sliding bearing seat comprises a sliding guide rail and a mounting seat, the mounting seat is connected with the sliding guide rail in a sliding mode, and the mounting seat slides along the length direction of the sliding guide rail; the sliding guide rail is connected with the first rack or the second rack, and the length direction of the sliding guide rail is parallel to the conveying direction of the guide belt; and the auxiliary transmission bearing is arranged in the mounting seat.
Optionally, the sliding guide is provided with a guide protrusion, the mounting seat is provided with a guide groove, and the guide groove is sleeved on the outer wall of the guide protrusion.
Specifically, the auxiliary transmission assembly further comprises an auxiliary torsion arm, and the auxiliary driving mechanism is fixed to the first frame or the second frame through the auxiliary torsion arm;
vice torque arm includes first installation department, first connecting portion and first torsion portion, first installation department is fixed in first frame or second frame, long fluting has been seted up to first installation department, long fluting length direction is on a parallel with sliding guide's length direction, first connecting portion seted up with the screw that long fluting corresponds, first installation department with first connecting portion can be dismantled and be connected, the one end of first torsion portion with first connecting portion are connected, the other end of first torsion portion with vice actuating mechanism connects.
Preferably, the first connecting portion is provided with a connecting rod, one end of the first torsion portion is provided with an opening corresponding to the connecting rod, and the first torsion portion is connected with the connecting rod through the opening.
Illustratively, the main drive assembly further comprises a main torque arm including a second mounting portion and a second torque portion; the second installation part is fixed in first frame or second frame, the second installation part with the one end of second torsion portion is connected, the other end of second torsion portion with main actuating mechanism connects.
Optionally, the guide belt further comprises a plurality of driven rollers, the driven rollers are arranged between the main driving roller and the auxiliary driving roller, and the driven rollers are arranged in the closed loop of the guide belt and connected with the inner wall of the guide belt.
One of the above technical solutions has the following beneficial effects: in the digital printing tape guide device of dual drive, utilize main drive mechanism with vice drive mechanism is as power, drives the biggest final drive roller of inertia and auxiliary drive roller respectively simultaneously to need not to drive these two roller rotations through the conduction band, to the printing face of conduction band, synchronous drive final drive roller and auxiliary drive roller can furthest reduce the conduction band at the elastic deformation on the linearity that the printing face appears when stepping, improve the step-by-step speed and the step-by-step acceleration and deceleration of conduction band, but also can improve the step-by-step precision and the printing efficiency of conduction band.
Drawings
FIG. 1 is a schematic structural diagram of a digital printing belt guide device according to an embodiment of the utility model;
FIG. 2 is an enlarged schematic view of circle A of FIG. 1;
FIG. 3 is an enlarged schematic view of circle B of FIG. 1;
FIG. 4 is a schematic structural diagram of a digital printing belt guide device according to another embodiment of the utility model;
FIG. 5 is a schematic structural view of a secondary drive assembly of one embodiment of the present invention;
FIG. 6 is a schematic structural view of a sliding bearing housing of one embodiment of the present invention;
FIG. 7 is a schematic structural view of a secondary torsion arm in accordance with an embodiment of the present invention;
wherein: 1, a main transmission component; 11 a main drive mechanism; 12 main driving roller; 13 a main drive bearing; 14 a main torsion arm; 141 a second mounting portion; 142 a second torsion portion; 2, conducting a band; 31 a first frame; 32 a second frame; 4 pairs of transmission components; 41 pairs of driving mechanisms; 42 secondary driving rollers; 43 secondary drive bearings; 44 sliding bearing seats; 441 a sliding guide rail; 4411 a guide projection; 442 a mounting seat; 4421 a guide groove; 45 pairs of torque arms; 451 a first mounting portion; 4511 long open slot; 452 a first connection; 4521 screw hole; 4522 connecting rod; 453 a first torsion portion.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the features defined as "first" and "second" may explicitly or implicitly include one or more of the features, whether explicit or implicit, for distinguishing between the described features, whether sequential or explicit.
In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The following describes a dual-drive digital printing tape guide device according to an embodiment of the present invention with reference to fig. 1 to 7, including a main drive assembly 1, a tape guide 2, a frame assembly, and a sub drive assembly 4;
the frame assembly comprises a first frame 31 and a second frame 32, and the main transmission assembly 1 and the auxiliary transmission assembly 4 are arranged between the first frame 31 and the second frame 32;
the main transmission assembly 1 comprises a main driving mechanism 11, a main transmission roller 12 and a main transmission bearing 13; the main transmission bearings 13 are mounted on the first frame 31 and the second frame 32, and two ends of the main transmission roller 12 are respectively arranged in the two main transmission bearings 13; the main driving mechanism 11 is mounted on the first frame 31 or the second frame 32, and a driving output end of the main driving mechanism 11 is connected with the main driving roller 12 and drives the main driving roller 12 to rotate;
the secondary transmission assembly 4 comprises a secondary driving mechanism 41, a secondary transmission roller 42 and a secondary transmission bearing 43; the first frame 31 and the second frame 32 are both provided with the auxiliary transmission bearings 43, and two ends of the auxiliary transmission roller 42 are respectively arranged in the two auxiliary transmission bearings 43; the auxiliary driving mechanism 41 is installed on the first frame 31 or the second frame 32, and a driving output end of the auxiliary driving mechanism 41 is connected with the auxiliary driving roller 42 and drives the auxiliary driving roller 42 to rotate;
the main driving mechanism 11 and the auxiliary driving mechanism 41 are electrically connected with the same driving unit, the main driving roller 12 is parallel to the auxiliary driving roller 42, the main driving roller 12 and the auxiliary driving roller 42 are both arranged in the closed loop of the conduction band 2 and connected with the inner wall of the conduction band 2, and the main driving roller 12 and the auxiliary driving roller 42 tighten the conduction band 2 together and drive the conduction band 2 to move.
In the digital printing tape guide device of dual drive, utilize main drive mechanism 11 with vice drive mechanism 41 is as power, drives the biggest final drive roller 12 of inertia and auxiliary drive roller 42 respectively simultaneously to need not to drive these two roller rotations through conduction band 2, to the printing face of conduction band 2, synchronous drive final drive roller 12 and auxiliary drive roller 42 can furthest reduce the elastic deformation of conduction band 2 on the linearity that appears at the printing face when stepping, improve the step-by-step speed and the step-by-step acceleration and deceleration of conduction band 2, but also can improve the step-by-step precision and the printing efficiency of conduction band 2.
Preferably, the main driving mechanism 11 and the auxiliary driving mechanism 41 are both a combination of a servo motor and a high-precision speed reducer, the servo motor provides power for the main driving roller 12 or the auxiliary driving roller 42, and the high-precision speed reducer amplifies the torque of the servo motor and outputs the amplified torque to the main driving roller 12 or the auxiliary driving roller 42, so as to drive the conduction band 2 to step. The driving unit is preferably a servo which can control the output power of the servo motor and the working mode of the servo motor. In the present embodiment, the speed ratio, the rated power and the rated torque of the main drive mechanism 11 and the sub drive mechanism 41 are the same. The main drive mechanism 11 and the sub drive mechanism 41 are electrically connected to the same drive unit, so that the servo motor in the main drive mechanism 11 and the servo motor in the sub drive mechanism 41 are controlled by the same drive unit to operate in the same operation mode and the same output power.
In the main transmission assembly 1, the main transmission bearing 13 is a tapered roller bearing, the main transmission roller 12 rotates along the rotation direction of the main transmission bearing 13, a servo motor in the main driving mechanism 11 outputs torque through an input shaft of a precision speed reducer, and an output surface of the precision speed reducer is connected with a shaft head of the main transmission roller 12, so that the effect of power output is achieved, and the acceleration and deceleration of the main transmission roller 12 are realized; in the auxiliary transmission assembly 4, the auxiliary transmission bearing 43 is a tapered roller bearing, the auxiliary transmission roller 42 rotates along the rotation direction of the auxiliary transmission bearing 43, the servo motor in the auxiliary driving mechanism 41 outputs torque through the input shaft of the precision speed reducer, the output surface of the precision speed reducer is connected with the shaft head of the auxiliary transmission roller 42, the effect of power output is achieved, and therefore the acceleration and deceleration of the auxiliary transmission roller 42 are achieved. When the device operates, the driving unit controls the main driving mechanism 11 and the auxiliary driving mechanism 41 to operate simultaneously, the main driving mechanism 11 drives the main driving roller 12 to rotate in the main driving bearing 13, and the auxiliary driving mechanism 41 drives the auxiliary driving roller 42 to rotate in the auxiliary driving bearing 43, so as to drive the conduction band 2 to move in the frame assembly.
In some embodiments, as shown in fig. 1, 2, 4, 5 and 6, the secondary transmission assembly 4 further includes a sliding bearing seat 44, and the secondary transmission bearing 43 is fixed to the first frame 31 and the second frame 32 through the sliding bearing seat 44; the sliding bearing seat 44 includes a sliding guide rail 441 and a mounting seat 442, the mounting seat 442 is slidably connected to the sliding guide rail 441, and the mounting seat 442 slides along the length direction of the sliding guide rail 441; the sliding guide rail 441 is connected with the first frame 31 or the second frame 32, and the length direction of the sliding guide rail 441 is parallel to the conveying direction of the guide belt 2; the sub-transmission bearing 43 is installed in the installation seat 442. Because the main transmission assembly 1 keeps still, through the mount 442 along the length direction of sliding guide 441 slides, can drive the auxiliary transmission bearing 43 along the length direction of sliding guide 441 slides, thereby drive the auxiliary transmission roller 42 along the direction of delivery of conduction band 2 slides, thereby adjust the distance between the auxiliary transmission roller 42 and the main transmission roller 12, and then adjust the rate of tension of conduction band 2, make conduction band 2 keep tight.
It should be noted that, as shown in fig. 6, the sliding guide 441 is provided with a guide protrusion 4411, the mounting base 442 is provided with a guide groove 4421, and the guide groove 4421 is sleeved on the outer wall of the guide protrusion 4411. Thus, the mounting seat 442 can be sleeved on the guide protrusion 4411 through the guide groove 4421, and thus the mounting seat 442 can be prevented from being separated from the sliding guide 441 by the limiting action of the guide protrusion 4411 and sliding along the sliding guide 441.
Optionally, as shown in fig. 1, 2, 5 and 7, the secondary transmission assembly 4 further comprises a secondary torsion arm 45, and the secondary driving mechanism 41 is fixed to the first frame 31 or the second frame 32 through the secondary torsion arm 45; it should be noted that when the sub drive mechanism 41 is disposed on one side of the first frame 31, the sub torsion arm 45 is disposed on the first frame 31, and when the sub drive mechanism 41 is disposed on one side of the second frame 32, the sub torsion arm 45 is disposed on the second frame 32. The auxiliary torque arm 45 includes a first mounting portion 451, a first connecting portion 452, and a first torque portion 453, the first mounting portion 451 is fixed to the first frame 31 or the second frame 32, the first mounting portion 451 has an elongated slot 4511, a length direction of the elongated slot 4511 is parallel to a length direction of the sliding guide rail 441, the first connecting portion 452 has a screw hole 4521 corresponding to the elongated slot 4511, the first mounting portion 451 is detachably connected to the first connecting portion 452, one end of the first torque portion 453 is connected to the first connecting portion 452, and the other end of the first torque portion 453 is connected to the auxiliary driving mechanism 41. The screw hole 4521 is aligned with the elongated slot 4511, and then the first mounting portion 451 is fixed to the first connecting portion 452 by a screw rear bolt passing through the screw hole 4521 and the elongated slot 4511. Since the length direction of the elongated slot 4511 is parallel to the length direction of the sliding guide rail 441, when the mounting seat 442 of the sliding bearing seat 44 slides along the sliding guide rail 441, the screw hole 4521 can be aligned with different positions of the elongated slot 4511, so as to realize the relative movement between the first connecting portion 452 and the first mounting portion 451, and thus drive the first torsion portion 453 to move, and thus realize the synchronous movement of the sub-transmission bearing 43 and the sub-drive mechanism 41.
Specifically, as shown in fig. 7, the first connection portion 452 is provided with a connection rod 4522, one end of the first torsion portion 453 is opened with an opening corresponding to the connection rod 4522, and the first torsion portion 453 is connected to the connection rod 4522 through the opening. The sub torsion arm 45 acts to cancel out the torsion force by the connection structure of the first torsion part 435 and the connection rod 4522.
Preferably, the main transmission assembly 1 further comprises a main torsion arm 14 as shown in fig. 1 and 3, wherein the main torsion arm 14 comprises a second mounting portion 141 and a second torsion portion 142; the second mounting portion 141 is fixed to the first frame 31 or the second frame 32, the second mounting portion 141 is connected to one end of the second torsion portion 142, and the other end of the second torsion portion 142 is connected to the main driving mechanism 11. The main torsion arm 14 is caused to act to cancel out the torsion by the connecting mechanism between the second mounting portion 141, the second torsion portion 142, and the main drive mechanism 11. It should be noted that, when the main drive mechanism 11 is provided on one side of the first frame 31, the main torsion arm 14 is provided on the first frame 31, and when the main drive mechanism 11 is provided on one side of the second frame 32, the main torsion arm 14 is provided on the second frame 32.
In some embodiments, the roller device further comprises a plurality of driven rollers, the driven rollers are arranged between the main driving roller 12 and the auxiliary driving roller 42, and the driven rollers are arranged in the closed loop of the guide belt 2 and are connected with the inner wall of the guide belt 2. The driven roller plays a role in deviation rectification, and the driven roller can improve the supporting force of the guide belt 2 and improve the transmission stability of the guide belt 2. In operation, the main driving roller 12 and the auxiliary driving roller 42 drive the guide belt 2 to move together, so that the driven roller is driven to rotate by the guide belt 2.
Other configurations and operations of a dual drive digital printing belt guide apparatus according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description herein, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. The utility model provides a digital printing conduction band device of dual drive, includes main drive subassembly, conduction band and frame subassembly, its characterized in that: the device also comprises a secondary transmission component;
the rack assembly comprises a first rack and a second rack, and the main transmission assembly and the auxiliary transmission assembly are arranged between the first rack and the second rack;
the main transmission assembly comprises a main driving mechanism, a main transmission roller and a main transmission bearing; the first frame and the second frame are both provided with the main transmission bearings, and two ends of the main transmission roller are respectively arranged in the two main transmission bearings; the main driving mechanism is arranged on the first rack or the second rack, and a driving output end of the main driving mechanism is connected with the main driving roller and drives the main driving roller to rotate;
the auxiliary transmission assembly comprises an auxiliary driving mechanism, an auxiliary transmission roller and an auxiliary transmission bearing; the first rack and the second rack are both provided with the auxiliary transmission bearings, and two ends of the auxiliary transmission roller are respectively arranged in the two auxiliary transmission bearings; the auxiliary driving mechanism is arranged on the first rack or the second rack, and a driving output end of the auxiliary driving mechanism is connected with the auxiliary driving roller and drives the auxiliary driving roller to rotate;
the main driving mechanism and the auxiliary driving mechanism are electrically connected with the same driving unit, the main driving roller is parallel to the auxiliary driving roller, the main driving roller and the auxiliary driving roller are arranged in the closed loop of the conduction band and are connected with the inner wall of the conduction band, and the main driving roller and the auxiliary driving roller tighten the conduction band together and drive the conduction band to move.
2. A dual drive digital printing belt guide according to claim 1, wherein: the auxiliary transmission assembly further comprises a sliding bearing seat, and the auxiliary transmission bearing is fixed to the first rack and the second rack through the sliding bearing seat;
the sliding bearing seat comprises a sliding guide rail and a mounting seat, the mounting seat is connected with the sliding guide rail in a sliding mode, and the mounting seat slides along the length direction of the sliding guide rail; the sliding guide rail is connected with the first rack or the second rack, and the length direction of the sliding guide rail is parallel to the conveying direction of the guide belt; and the auxiliary transmission bearing is arranged in the mounting seat.
3. A dual drive digital printing belt guide according to claim 2, wherein: the sliding guide is provided with a guide protruding part, the mounting seat is provided with a guide groove, and the guide groove is sleeved on the outer wall of the guide protruding part.
4. A dual drive digital printing belt guide according to claim 2, wherein: the auxiliary transmission assembly further comprises an auxiliary torque arm, and the auxiliary driving mechanism is fixed to the first frame or the second frame through the auxiliary torque arm;
vice torque arm includes first installation department, first connecting portion and first torsion portion, first installation department is fixed in first frame or second frame, long fluting has been seted up to first installation department, long fluting length direction is on a parallel with sliding guide's length direction, first connecting portion seted up with the screw that long fluting corresponds, first installation department with first connecting portion can be dismantled and be connected, the one end of first torsion portion with first connecting portion are connected, the other end of first torsion portion with vice actuating mechanism connects.
5. A dual drive digital printing belt guide according to claim 4, wherein: the first connecting portion is provided with a connecting rod, one end of the first torsion portion is provided with an opening corresponding to the connecting rod, and the first torsion portion is connected with the connecting rod through the opening.
6. A dual drive digital printing belt guide according to claim 1, wherein: the main drive assembly further comprises a main torsion arm comprising a second mounting portion and a second torsion portion; the second installation part is fixed in first frame or second frame, the second installation part with the one end of second torsion portion is connected, the other end of second torsion portion with main actuating mechanism connects.
7. A dual drive digital printing belt guide according to claim 1, wherein: the driven roller is arranged between the main driving roller and the auxiliary driving roller, and the driven roller is arranged in the closed ring of the guide belt and connected with the inner wall of the guide belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123318341.8U CN216612742U (en) | 2021-12-27 | 2021-12-27 | Digital printing conduction band device of dual drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123318341.8U CN216612742U (en) | 2021-12-27 | 2021-12-27 | Digital printing conduction band device of dual drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216612742U true CN216612742U (en) | 2022-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123318341.8U Active CN216612742U (en) | 2021-12-27 | 2021-12-27 | Digital printing conduction band device of dual drive |
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| Country | Link |
|---|---|
| CN (1) | CN216612742U (en) |
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2021
- 2021-12-27 CN CN202123318341.8U patent/CN216612742U/en active Active
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