CN211282520U

CN211282520U - Belt drive roller shaft and printing equipment

Info

Publication number: CN211282520U
Application number: CN201922149584.XU
Authority: CN
Inventors: 覃勇; 黄冬林
Original assignee: Dongguan Tuchuang Intelligent Manufacturing Co Ltd
Current assignee: Dongguan Tuchuang Intelligent Manufacturing Co Ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-08-18
Anticipated expiration: 2029-12-04

Abstract

The utility model belongs to the technical field of the belt drive, the technical problem of the easy off tracking of belt among the prior art has been solved, a belt drive roller and printing apparatus are provided, belt drive roller includes the roller pipe and is fixed in the pivot at roller pipe middle part, and the interlude of roller pipe is cylindrical, and the round platform shape that the both ends section is extended towards the free end gradual shrinkage formula of roller pipe by the both ends of interlude is held. The utility model provides a belt drive roller and printing equipment has the advantage of guaranteeing the difficult off tracking of belt.

Description

Belt drive roller shaft and printing equipment

Technical Field

The utility model relates to a belt drive technical field particularly, relates to belt drive roller and printing apparatus.

Background

At present, a belt conveyor in which a belt driving roller shaft is matched with a belt is a common material conveying device, is widely applied to industries such as mines, metallurgy and coal, and is used for conveying various materials.

The pipe diameter of the roller pipe of the belt driving roller shaft of the existing belt conveyor is a fixed value, the belt of the belt conveyor is sleeved at the periphery of the roller pipe, the pipe diameter of the roller pipe is a fixed value, the belt is easy to deviate easily to the displacement of any end of the roller pipe when being driven by the belt driving roller shaft, the belt deviates easily, and serious problems such as material scattering, belt abrasion, roller shaft and frame abrasion can be caused by the belt deviation, the normal work of the belt conveyor is influenced, and the work efficiency is reduced.

Therefore, it is desirable to provide a belt driving roller shaft and a printing apparatus, which ensure that a belt is not easy to deviate.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to above-mentioned prior art not enough, for realizing the utility model discloses an objective provides a belt drive roller, and it includes the roller pipe and is fixed in the pivot at roller pipe middle part, and the interlude of roller pipe is cylindrical, and the round platform shape that the both ends section is extended towards the free end convergent formula of roller pipe by the both ends of interlude.

Further, the roller pipes are symmetrical left and right about their central circumferential lines.

Further, the inclination angle of the truncated cone shape is 3 ° to 20 °.

Furthermore, one end of the rotating shaft is provided with a driving receiving shaft, the other end of the rotating shaft is provided with a rotating support shaft, and the central axes of the driving receiving shaft and the rotating support shaft are overlapped.

In order to realize the utility model discloses another purpose, the utility model discloses still provide a printing apparatus, it includes printing medium conveyor, printing medium conveyor includes brace table, belt, drive arrangement and above arbitrary belt drive roller, and the belt cuff is in the periphery of belt drive roller, and drive arrangement is connected with belt drive roller drive, and belt drive roller is two and arranges respectively that support table both ends move on a brace table with supporting and driving belt.

Further, the two driving devices are respectively arranged on two sides of two ends of the supporting platform.

Further, the driving device is a belt transmission driving device.

The utility model has the advantages that: because the pipe diameter of the both ends section of the roller pipe of belt drive roller is less than the pipe diameter of its interlude gradually, the both ends section of roller pipe can apply the power of cramping towards the interlude to the belt that cup joints in the roller pipe periphery and the both ends that are located roller pipe central axis, consequently, can prevent the belt off tracking reliably to, guarantee the normal work of the printing medium conveyor of the printing apparatus who has belt drive roller, promote work efficiency.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and for those skilled in the art, without creative efforts, other drawings can be obtained according to these drawings, and these drawings are all within the protection scope of the present invention.

FIG. 1 is a front view of the belt driving roller shaft of the present invention;

FIG. 2 is a front view of a printing apparatus according to the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

description of reference numerals:

10- -belt drive roller shaft; 11- -roller tube; 11A- -middle section; 11B- -two end segments; 12- -a rotating shaft; 20- -support table; 30- -the belt; 40- -a drive device; 100- -printing device.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. In the description of the present invention (utility model or utility model), it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element. In case of conflict, various features of the embodiments and examples of the present invention may be combined with each other and are within the scope of the present invention.

With particular reference to fig. 1 in conjunction with fig. 2 and 3, the present invention provides a belt driving roller shaft 10, which includes a roller tube 11 and a rotating shaft 12 fixed to the middle of the roller tube 11, wherein the middle section 11A of the roller tube 11 is cylindrical, the two end sections 11B are truncated cone shapes extending from the two ends of the middle section toward the free end of the roller tube 11 in a tapered manner, it can be known that the diameter of the middle cylindrical shape is consistent with the diameter of the large circular truncated cone shapes at the two ends, therefore, for the belt 30 sleeved on the periphery of the roller tube 11, since the belt 30 is elastic and is sleeved on the periphery of the roller tube 11 in an elastic deformation manner, the two ends of the truncated cone shape of the roller tube 11 can apply an acting force toward the middle of the cylindrical shape to the belt 30, and the two acting forces form a tightening force that pulls the parts of the belt 30 at the two ends of the central axis of the roller tube 11 toward the middle of the roller tube 11.

Preferably, the roller tube 11 is symmetrical left and right with the center circumference as the center, which is the tube diameter at the center of the roller tube 11 in the length direction, so that the two end sections 11B of the roller tube 11 have even and symmetrical acting force on the belt 30, and the effect of preventing the belt 30 from deviating is improved.

Preferably, the inclination angle of the truncated cone shape is 3 ° to 20 °, and the inventor's experiment shows that, when the inclination angle is 3 ° to 20 °, the inclination angle is an acute angle between a generatrix of the truncated cone and the shaft, and the clamping force formed by the acting force of the two end sections 11B of the roller tube 11 on the belt 30 is most suitable.

Preferably, the rotation shaft 12 is provided at one end thereof with a drive receiving shaft (not shown) and at the other end thereof with a rotation support shaft (not shown), and the central axes of the drive receiving shaft and the rotation support shaft coincide with each other, so that the rotation shaft 12 can be smoothly rotationally driven with respect to the roller tube 11.

Referring to fig. 2 and 3, the present invention further provides a printing apparatus 100, which includes a printing medium conveying device, the printing medium conveying device includes a supporting platform 20, a belt 30, a driving device 40 and any one of the above belt driving roller shafts 10, the printing apparatus 100 can obtain any beneficial effect of the above belt driving roller shaft 10, which is not described herein again, the belt 30 is hooped at the periphery of the belt driving roller shaft 10, the driving device 40 is drivingly connected to the belt driving roller shaft 10, the two belt driving roller shafts 10 are respectively disposed at two ends of the supporting platform 20 to support and drive the belt 30 to move on the supporting platform 20, therefore, the belt 30 of the printing medium conveying device does not generate the unfavorable condition of deviation, the working efficiency is improved, and the printing medium conveying device is accurate for the conveying speed and the direction of the printing medium, thereby ensuring the accuracy of the nozzle to jet ink on the printing medium, the printing quality of the printing apparatus 100 is ensured to be high.

Preferably, the driving devices 40 are two and respectively disposed at two sides of two ends of the supporting platform 20, so that the rotational driving forces of the driving devices 40 to the two belt driving roller shafts 10 are angularly symmetrical with respect to the supporting platform 20, which facilitates the synchronous driving of the belts 30 at two ends of the supporting platform 20.

Preferably, the driving device 40 is a belt driving device 40, and the belt driving device 40 includes, for example, a driving motor and a synchronous belt, and the synchronous belt is respectively sleeved on a driving shaft of the driving motor and a driving receiving shaft of the belt driving roller shaft 10, so as to effectively prevent the belt 30 from slipping when being driven and ensure the normal operation of the belt 30.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. Belt drive roller, including the roller pipe with be fixed in the pivot in roller pipe middle part, its characterized in that:

the middle section of the roller tube is cylindrical, and the two end sections are in a circular truncated cone shape extending from the two ends of the middle section to the free end of the roller tube in a tapered manner.

2. The belt drive roller of claim 1, wherein:

the roller pipes are symmetrical left and right by taking the central circumferential line as the center.

3. The belt drive roller of claim 1, wherein:

the inclination angle of the truncated cone shape is 3-20 degrees.

4. The belt drive roller of claim 1, wherein:

the one end of pivot is equipped with drive receiving shaft and the other end is equipped with the rotation back shaft, the central axis coincidence of drive receiving shaft and rotation back shaft.

5. A printing apparatus, comprising:

the printing medium conveying device comprises a supporting platform, a belt, a driving device and the belt driving roller shaft according to any one of claims 1 to 4, wherein the belt is sleeved on the periphery of the belt driving roller shaft, the driving device is in driving connection with the belt driving roller shaft, and the two belt driving roller shafts are respectively arranged at two ends of the supporting platform to support and drive the belt to move on the supporting platform.

6. The printing apparatus of claim 5, wherein:

the two driving devices are respectively arranged on two sides of two ends of the supporting platform.

7. The printing apparatus of claim 5, wherein:

the driving device is a belt transmission driving device.