CN220381453U

CN220381453U - Driving mechanism

Info

Publication number: CN220381453U
Application number: CN202321793821.6U
Authority: CN
Inventors: 吴文兴; 伍锡焱; 赵政; 孟凡会
Original assignee: Huqiu Image Suzhou Co ltd
Current assignee: Huqiu Image Suzhou Co ltd
Priority date: 2023-07-10
Filing date: 2023-07-10
Publication date: 2024-01-23
Anticipated expiration: 2033-07-10

Abstract

The utility model discloses a driving mechanism, which belongs to the technical field of image forming and comprises a driving assembly, a bracket assembly and a locking structure, wherein the driving assembly is arranged on the outer side of the bracket assembly and comprises a first mounting plate, a second mounting plate, a motor, a driving wheel assembly, a driven wheel, a first conveying member and a second conveying member, the first mounting plate is rotatably arranged on the bracket assembly, the second mounting plate is rotatably arranged on the first mounting plate, the motor is arranged on the second mounting plate, the motor comprises an output shaft, the output shaft penetrates through the second mounting plate and extends out, the driving wheel assembly is arranged on the first mounting plate, the driven wheel is arranged at the end part of a piece to be driven, the first conveying member is wound on the output shaft and the driving wheel assembly, the second conveying member is wound on the driving wheel assembly and the driven wheel, and the locking structure is used for locking the driving assembly with tensioning force adjusted. The tensioning force is adjusted conveniently and rapidly, and the device is compact in overall structure, small in occupied space, convenient to install and maintain and the like.

Description

Driving mechanism

Technical Field

The utility model relates to the technical field of image forming, in particular to a driving mechanism.

Background

In the technical field of image forming, in particular in the technical field of laser printers, a photothermographic element with a photosensitive layer needs to be scanned by an exposure device, so that a latent image is formed on the photothermographic element, and then a complete and clear image is obtained by a heat treatment device.

When the exposure device is used, the belt in the driving mechanism is loosened and lengthened due to long-time stress, the tensioning force is reduced, the belt transmission precision and the service life are influenced, the scanning precision of the exposure device is influenced, the self-tensioning of the belt can be realized by arranging the tensioning wheel, the spring and the like in the prior art, but the structure is complex, the occupied space is large, the space is easy to limit, the installation and the maintenance are inconvenient, the use efficiency of the driving mechanism is reduced as a whole, and the stable and reliable operation of the driving mechanism is not facilitated.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide a driving mechanism which occupies a small space and can improve the service efficiency of the device.

The utility model adopts the following technical scheme:

the utility model provides a drive mechanism, includes drive assembly, bracket component, locking structure, drive assembly sets up the bracket component outside, drive assembly includes first mounting panel, second mounting panel, motor, action wheel subassembly, from driving wheel, first conveying piece, second conveying piece, first mounting panel rotates and installs on the bracket component, action wheel subassembly installs on the first mounting panel, the motor is installed on the second mounting panel, the motor includes the output shaft, the output shaft runs through the second mounting panel and extends and go out, the second mounting panel rotates and installs on the first mounting panel, install from the driving wheel the tip at the piece of waiting to drive, first conveying piece winds to establish the output shaft on the action wheel subassembly, second conveying piece winds to establish action wheel subassembly from driving wheel on, locking structure is used for accomplishing the tensioning force regulation drive assembly locks.

Further, the first mounting plate includes first fixed plate, second fixed plate, the second fixed plate follows first fixed plate surface extends out, the second fixed plate with form the space between the first fixed plate, the second mounting plate is installed on the second fixed plate, the action wheel subassembly is installed on the first fixed plate, the output shaft runs through the second mounting plate and extends to in the space.

Further, one end of the first mounting plate is rotatably hinged to the support assembly, the locking structure comprises a first locking structure, the first locking structure comprises a first fixing hole, a first slot hole and a first screw, the support assembly is provided with the first fixing hole, the first mounting plate is provided with the first slot hole, the first slot hole takes a hinging point of the first mounting plate and the support assembly as a circle center, the first screw penetrates through the first slot hole and the first fixing hole, and the first slot hole is matched with the first screw and slides relative to the first screw.

Further, the number of the first slots is a plurality.

Further, the cross section of the first slotted hole is waist-shaped or circular arc-shaped.

Further, one end of the second mounting plate is rotatably hinged to the first mounting plate, the locking structure further comprises a second locking structure, the second locking structure comprises a second fixing hole, a second slot hole and a second screw, the first mounting plate is provided with the second fixing hole, the second mounting plate is provided with the second slot hole, the second slot hole takes the hinge point of the second mounting plate and the first mounting plate as a circle center, the second screw penetrates through the second slot hole and the second fixing hole, and the second slot hole is matched with the second screw and slides relative to the second screw.

Further, the section shape of the second slot hole is waist-shaped or circular arc-shaped.

Further, the number of the second slots is a plurality.

Further, the hinge point of the first mounting plate and the bracket assembly is close to the output shaft.

Further, the diameter of the driving wheel is larger than that of the output shaft, and the diameter of the rotating shaft of the driving wheel is smaller than that of the driven wheel.

Compared with the prior art, the driving mechanism comprises a driving assembly, a bracket assembly and a locking structure, wherein the driving assembly comprises a first mounting plate, a second mounting plate, a motor, a driving wheel assembly, a driven wheel, a first conveying piece and a second conveying piece, the first mounting plate is rotatably mounted on the bracket assembly, the second mounting plate is rotatably mounted on the first mounting plate, the motor is mounted on the second mounting plate, the motor comprises an output shaft, the output shaft penetrates through the second mounting plate and extends out, the driving wheel assembly is mounted on the first mounting plate, the driven wheel is mounted at the end part of the piece to be driven, the first conveying piece is wound on the output shaft and the driving wheel assembly, the second conveying piece is wound on the driving wheel assembly and the driven wheel, and the locking structure is used for locking the driving assembly with tension adjustment completed. When the device is used, the center distance between the rotating shaft of the driving wheel and the driven wheel is changed by rotating the first mounting plate, so that the tensioning force of the second conveying piece is adjusted; the center distance between the output and the driving wheel is changed by rotating the second mounting plate, so that the tensioning force of the second conveying piece is adjusted. The utility model provides a through above setting, adjust tensioning force more convenient, swift, and overall structure is compact, occupation space is less, conveniently installs and maintains etc. also can not influence the transmission of photothermal sensitive element at the bracket component inboard, has improved actuating mechanism's availability factor on the whole, is favorable to actuating mechanism's stable, reliable operation.

Drawings

FIG. 1 is an assembled view of a drive mechanism of the present utility model;

FIG. 2 is a schematic diagram of the driving mechanism of FIG. 1;

fig. 3 is a schematic view of a part of the driving mechanism of fig. 2.

In the figure: 20. a transfer assembly; 21. a conveying roller; 211. a drive roll; 212. driven roller;

30. a bracket assembly; 31. a mounting hole; 32. a first fixing hole;

40. a drive assembly; 41. a first mounting plate; 411. a first fixing plate; 4111. a first slot; 4112. a first hinge point; 412. a second fixing plate; 4121. a second fixing hole; 42. a second mounting plate; 421. a second slot; 422. a second hinge point; 43. a motor; 431. an output shaft; 44. a drive wheel assembly; 441. a driving wheel; 442. a driving wheel rotating shaft; 45. driven wheel; 46. a first transfer member; 47. and a second transfer member.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or be present as another intermediate element through which the element is fixed. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Fig. 1-3 illustrate a drive mechanism of the present utility model, including a bracket assembly 30 and a drive assembly 40.

In this embodiment:

the transfer assembly 20 includes pairs of transfer rollers 21.

The conveying rollers 21 include a driving roller 211 and a driven roller 212, and a conveying path for conveying the photothermographic element is formed between each pair of conveying rollers 21. In the present embodiment, the number of the conveying rollers 21 is two pairs.

The bracket assembly 30 is provided with a mounting hole 31 and a first fixing hole 32, the mounting hole 31 is used for mounting the conveying roller 21, the extending direction of the mounting hole 31 is parallel to the axial direction of the conveying roller 21, and the first fixing hole 32 is used for being matched with a first screw to form a first locking structure. In this embodiment, the driving component 40 is disposed outside the bracket component 30, which has a compact structure and occupies less space.

The drive assembly 40 includes a first mounting plate 41, a second mounting plate 42, a motor 43, a drive wheel assembly 44, a driven wheel 45, a first transfer member 46, and a second transfer member 47.

The first mounting plate 41 comprises a first fixing plate 411 and a second fixing plate 412, the second fixing plate 412 extends out from the surface of the first fixing plate 411, a gap is formed between the second fixing plate 412 and the first fixing plate 411, one end of the first fixing plate 411 is rotatably hinged on the bracket assembly 30, the first fixing plate 411 is provided with a first slot 4111, the first slot 4111 takes a hinge point of the first fixing plate 411 and the bracket assembly 30 as a center, and the first slot 4111 is matched with the first screw and slides relative to the first screw; the second fixing plate 412 is provided with a second fixing hole 4121, and the second fixing hole 4121 is used for being matched with a second screw to form a second locking structure. In this embodiment, the first mounting plate 41 is integrally formed, and the first hinge point 4112 of the first mounting plate 41 and the bracket assembly 30 is close to the output shaft 431 of the motor 43. The number of the first slots 4111 is two, and the rotation radii of the two first slots 4111 are equal. The first slot 4111 has a kidney-shaped or circular arc-shaped cross section. In other embodiments, a plurality of round holes may be disposed on the first mounting plate 41, and the round holes are arranged in an arc shape, and one of the round holes is opposite to the first fixing hole 32 by rotating the first mounting plate 41, and then the locking is completed by the first screw.

One end of the second mounting plate 42 is rotatably hinged on the first mounting plate 41, the second mounting plate 42 is provided with a second slot 421, the second slot 421 takes a second hinge point 422 of the second mounting plate 42 and the first mounting plate 41 as a center, and the second slot 421 is matched with a second screw and slides relative to the second screw. In this embodiment, the second slot 421 has a kidney-shaped or circular arc cross-section. The number of the second slots 421 is two, and the rotation radii of the two second slots 421 are equal. In other embodiments, a plurality of round holes may be disposed on the second mounting plate 42, the round holes are arranged in an arc shape, one of the round holes is opposite to the second fixing hole 4121 by rotating the second mounting plate 42, and locking is completed by the second screw.

The motor 43 is mounted on the second mounting plate 42, and the motor 43 includes an output shaft 431, the output shaft 431 extending through the second mounting plate 42 and out into the void. When the output shaft 431 rotates, the first conveying member 46 drives the driving wheel 441 to rotate, and simultaneously, the driving wheel 441 and the driving wheel rotating shaft 442 synchronously rotate to drive the second conveying member 47, so as to drive the driven wheel 45 and the conveying roller 21 to rotate, thereby realizing the speed reduction function. Because too big gear ratio can increase motor 43's load, influences its life-span, so set up the reduction ratio through above two-stage transmission, when guaranteeing certain transmission efficiency, prolong motor 43's life, improve this actuating mechanism's availability factor on the whole.

The driving wheel assembly 44 includes a driving wheel 441 and a driving wheel rotating shaft 442, the driving wheel rotating shaft 442 is mounted on the first mounting plate 41, and the driving wheel 441 is mounted outside the driving wheel rotating shaft 442. In this embodiment, the diameter of the driving wheel 441 is larger than the diameter of the output shaft 431.

The driven pulley 45 is mounted at the end of the conveying roller 21. In this embodiment, the diameter of the driving wheel rotation shaft 442 is smaller than the diameter of the driven wheel 45.

The first conveying member 46 is wound on the output shaft 431 and the driving wheel 441, and the center distance between the output shaft 431 and the driving wheel 441 is increased or decreased by rotating the second mounting plate 42 until the proper center distance is adjusted, so that the tightness of the first conveying member 46 is suitable, and then the second screw passing through the second slot hole 421 is screwed to enable the second mounting plate 42 to be pressed against the first mounting plate 41, at this time, the center distance between the output shaft 431 and the driving wheel 441 is not changed any more, and the tightness adjustment of the first conveying member 46 is finished.

The second conveying member 47 is wound around the driving wheel rotating shaft 442 and the driven wheel 45, and the center distance between the driving wheel rotating shaft 442 and the driven wheel 45 is increased or decreased by rotating the first mounting plate 41 until the center distance is adjusted to a proper center distance, so that the tightness of the second conveying member 47 is suitable, and then the first screw passing through the first slot 4111 is screwed to press the first mounting plate 41 against the bracket assembly 30, so that the center distance between the driving wheel rotating shaft 442 and the driven wheel 45 is not changed any more, and the tightness adjustment of the second conveying member 47 is finished.

When the device is used, the center distance between the driving wheel rotating shaft 442 and the driven wheel 45 is changed by rotating the first mounting plate 41, so that the tensioning force of the second conveying member 47 is adjusted, when the tensioning force is adjusted to the proper center distance, the center distance between the output shaft 431 and the driving wheel 441 is not changed, the tightness adjustment of the second conveying member 47 is finished, at the moment, the center distance between the output shaft 431 and the driving wheel 441 is changed, the center distance between the output shaft 431 and the driving wheel 441 needs to be changed by rotating the second mounting plate 42, the tensioning force of the first conveying member 46 is adjusted, and when the tensioning force is adjusted to the proper center distance, the center distance between the output shaft 431 and the driving wheel 441 is not changed, and the tightness adjustment of the first conveying member 46 is finished. The application is more convenient and quick in adjusting the tensioning force through the arrangement, and the device is compact in overall structure, small in occupied space, convenient to install and maintain and the like, and can not influence the transmission of the photothermal sensitive element on the inner side of the bracket assembly 30, so that the use efficiency of the driving mechanism is improved as a whole, and the device is favorable for the stable and reliable operation of the driving mechanism.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, it is possible to make several modifications and improvements without departing from the concept of the present utility model, which are equivalent to the above embodiments according to the essential technology of the present utility model, and these are all included in the protection scope of the present utility model.

Claims

1. A drive mechanism, characterized by: the driving mechanism comprises a driving assembly, a support assembly and a locking structure, wherein the driving assembly is arranged on the outer side of the support assembly, the driving assembly comprises a first mounting plate, a second mounting plate, a motor, a driving wheel assembly, a driven wheel, a first conveying member and a second conveying member, the first mounting plate is rotatably mounted on the support assembly, the second mounting plate is rotatably mounted on the first mounting plate, the motor is mounted on the second mounting plate, the motor comprises an output shaft, the output shaft penetrates through the second mounting plate and extends out, the driving wheel assembly is mounted on the first mounting plate, the driven wheel is mounted at the end part of the to-be-driven member, the first conveying member is wound on the output shaft and the driving wheel assembly, the second conveying member is wound on the driving wheel assembly and the driven wheel, and the locking structure is used for locking the driving assembly with tension adjustment completed.

2. The drive mechanism of claim 1, wherein: the first mounting plate comprises a first fixing plate and a second fixing plate, the second fixing plate extends from the surface of the first fixing plate, a gap is formed between the second fixing plate and the first fixing plate, the second mounting plate is mounted on the second fixing plate, the driving wheel assembly is mounted on the first fixing plate, and the output shaft penetrates through the second mounting plate and extends into the gap.

3. The drive mechanism of claim 1, wherein: one end of the first mounting plate is rotatably hinged to the support assembly, the locking structure comprises a first locking structure, the first locking structure comprises a first fixing hole, a first slot hole and a first screw, the support assembly is provided with the first fixing hole, the first mounting plate is provided with the first slot hole, the first slot hole takes a hinge point of the first mounting plate and the support assembly as a circle center, the first screw penetrates through the first slot hole and the first fixing hole, and the first slot hole is matched with the first screw and slides relative to the first screw.

4. A drive mechanism according to claim 3, wherein: the number of the first slotted holes is a plurality of.

5. A drive mechanism according to claim 3, wherein: the section of the first slotted hole is waist-shaped or arc-shaped.

6. The drive mechanism of claim 1, wherein: one end of the second mounting plate is rotatably hinged to the first mounting plate, the locking structure further comprises a second locking structure, the second locking structure comprises a second fixing hole, a second slot hole and a second screw, the first mounting plate is provided with the second fixing hole, the second mounting plate is provided with the second slot hole, the second slot hole takes the hinging point of the second mounting plate and the first mounting plate as a circle center, the second screw penetrates through the second slot hole and the second fixing hole, and the second slot hole is matched with the second screw and slides relative to the second screw.

7. The drive mechanism as recited in claim 6, wherein: the section of the second slotted hole is waist-shaped or arc-shaped.

8. The drive mechanism as recited in claim 6, wherein: the number of the second slots is a plurality.

9. The drive mechanism of claim 1, wherein: the hinge point of the first mounting plate and the bracket component is close to the output shaft.

10. The drive mechanism of claim 1, wherein: the diameter of the driving wheel is larger than that of the output shaft, and the diameter of the rotating shaft of the driving wheel is smaller than that of the driven wheel.