CN210011086U

CN210011086U - Driving mechanism of multi-band saw

Info

Publication number: CN210011086U
Application number: CN201920390064.5U
Authority: CN
Inventors: 陈建治
Original assignee: Minhou Mintai Machinery Co Ltd
Current assignee: Minhou Mintai Machinery Co Ltd
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2020-02-04
Anticipated expiration: 2029-03-26

Abstract

The utility model relates to a many band saws actuating mechanism, which comprises a frame, last band pulley and lower band pulley that a plurality of diameters that have coaxial setting in the frame increase progressively, go up the band pulley and overlap on the band pulley down and be equipped with the many band saw blades that form many rings of loop configuration, install the drive pivot that is located between band pulley and the lower band pulley in the frame, the cover is equipped with a plurality ofly and last band pulley or lower band pulley one-to-one and the degressive belt pulley of diameter in the drive pivot, the belt pulley passes through the driving belt transmission with the last band pulley that corresponds or lower band pulley and is connected. The utility model discloses many band saw actuating mechanism makes the linear velocity of all lower band pulleys can reach unanimity basically, guarantees that all band saw blades can keep comparatively unanimous linear velocity work, guarantees that all band saw blade life tends to unanimity, avoids the band saw blade on the great band pulley of diameter to scrap in advance because of the linear velocity is too fast, reduces the frequency of shutting down the maintenance, guarantees the machined part progress, improves economic benefits.

Description

Driving mechanism of multi-band saw

Technical Field

The utility model relates to a many band saws actuating mechanism.

Background

The existing multi-band saw mainly adopts a lower belt wheel as a driving belt wheel, and the lower belt wheel adopts an integral structure or is sleeved on the same driving shaft to synchronously rotate; because the lower belt wheel has the same rotating speed, the linear speed of the belt wheel with the larger diameter is larger, the linear speed of the corresponding band saw blade is also larger, the band saw blade with the larger linear speed is easy to overload, so that the band saw blade is scrapped in advance, the service life is short, the equipment is stopped and overhauled frequently, and the production progress is influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a multi-band saw driving mechanism capable of reducing the linear velocity difference between the multi-saw blades, so as to ensure that the service lives of the multi-saw blades tend to be consistent.

The utility model discloses a following scheme realizes: the utility model provides a many band saws actuating mechanism, includes the frame, have coaxial setting a plurality of diameters ascending last band pulley and band pulley down in the frame, go up the band pulley and overlap on the band pulley down and be equipped with the many band saw blade that forms many rings of loop configuration, install the drive pivot that is located between last band pulley and the band pulley down in the frame, the cover is equipped with a plurality ofly and last band pulley or band pulley one-to-one and the degressive belt pulley of diameter down in the drive pivot, the belt pulley passes through driving belt transmission with last band pulley or the band pulley down that corresponds and is connected.

Further, the diameters of the upper belt wheel and the lower belt wheel are sequentially increased from front to back, and the diameters of the belt wheels are sequentially decreased from front to back.

Furthermore, the upper belt wheel or the lower belt wheel is provided with a belt installation part for sleeving a transmission belt, a belt groove is formed in the belt installation part, and the diameters of the belt installation parts of the upper belt wheel or the lower belt wheel are the same.

Furthermore, the rack is provided with square shafts for mounting the upper belt wheel and the lower belt wheel respectively, each upper belt wheel and each lower belt wheel are rotatably matched with a connecting disc through a bearing, and the connecting disc is sleeved on one square shaft.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses many band saw actuating mechanism makes the linear velocity of all upper and lower band pulleys can reach unanimously basically, guarantees that all band saw blades can keep comparatively unanimous linear velocity work, guarantees that all band saw blade life tends to unanimously, avoids the band saw blade on the great band pulley of diameter to scrap in advance because of the linear velocity is too fast, reduces the frequency of shutting down the maintenance, guarantees the machined part progress, improves economic benefits.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to specific embodiments and related drawings.

Drawings

FIG. 1 is a front view of an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a cross-sectional view of a lower pulley structure according to an embodiment of the present invention;

the reference numbers in the figures illustrate: 100-frame, 200-upper belt wheel, 300-lower belt wheel, 310-belt mounting part, 311-belt groove, 400-belt saw blade, 500-driving rotating shaft, 600-belt wheel, 700-driving belt, 800-square shaft, 810-bearing and 820-connecting disc.

Detailed Description

The first embodiment is as follows: as shown in fig. 1 to 2, a multi-band saw driving mechanism includes a frame 100, the frame 100 has a plurality of coaxially arranged upper belt pulleys 200 and lower belt pulleys 300 with increasing diameters, the upper belt pulleys 200 and the lower belt pulleys 300 are sleeved with a multi-band saw blade 400 forming a multi-ring annular structure, a driving rotating shaft 500 is installed on the frame 100 and located between the upper belt pulleys and the lower belt pulleys, the driving rotating shaft 500 is sleeved with a plurality of belt pulleys 600 with decreasing diameters and corresponding to the lower belt pulleys one by one, the belt pulleys 600 are in transmission connection with the corresponding lower belt pulleys through a transmission belt 700, and the lower belt pulleys are used as driving belt pulleys to drive the band saw blade 400 to work; every band pulley and lower band pulley all independently rotate in this many band saw actuating mechanism, the great lower band pulley of diameter drives work by the less belt pulley of diameter, so the great lower band pulley of diameter just can be than other band pulley rotational speeds slower some, the less lower band pulley of diameter drives work by the great belt pulley of diameter, so the less lower band pulley of diameter just can be than other band pulley rotational speeds faster some, make the linear velocity of all lower band pulleys can reach unanimously basically, guarantee that all band saw blades can keep comparatively unanimous linear velocity work, guarantee that all band saw blades life are balanced, avoid band saw blades on the great band pulley of diameter to scrap in advance because of the linear velocity is too fast, reduce the frequency of shutting down and overhauing, guarantee the processing progress, and economic benefits is improved.

The plurality of band saw blades are sleeved on the upper belt wheel and the lower belt wheel, and the belt wheels drive the lower belt wheel to work form a group of band saws.

In this embodiment, the diameters of the upper and

lower pulleys

200 and 300 are sequentially increased from front to rear, and the diameter of the pulley 600 is sequentially decreased from front to rear.

In this embodiment, the lower pulley 300 has a belt mounting portion 310 for sleeving a transmission belt, the belt mounting portion 310 has a belt slot 311, and the diameters of the belt mounting portions 310 of all the lower pulleys 300 are the same, and the belt mounting portion 310 is located on the rear side of the lower pulley and has a diameter smaller than the diameter of the lower pulley body.

In this embodiment, the frame 100 has a square shaft 800 for mounting the upper pulley 200 and the lower pulley 300, respectively, each of the upper pulley and the lower pulley is rotatably engaged with a connecting disc 820 through a bearing 810, and the connecting disc sleeve 820 is disposed on the square shaft 800.

In this embodiment, the driving shaft 500 is installed on the frame through two bearing seats, the driving shaft is driven by the motor to work, and the driving shaft may be coaxially connected to the main shaft of the motor, or may be in transmission connection with other transmission mechanisms, such as belt transmission, gear transmission, etc.

Example two: the multi-belt saw driving mechanism can adopt a lower belt wheel as a driving belt wheel and can also adopt an upper belt wheel as the driving belt wheel, and the difference between the embodiment and the first embodiment is that the upper belt wheel is adopted as the driving belt wheel, a plurality of belt wheels with gradually reduced diameters which correspond to the upper belt wheels one by one are sleeved on the driving rotating shaft, and the belt wheels are in transmission connection with the corresponding upper belt wheels through a transmission belt; the upper belt wheel is provided with a belt installation part for sleeving a transmission belt, a belt groove is formed in the belt installation part, and the diameters of the belt installation parts of the upper belt wheels are the same.

Any technical solution disclosed in the present invention is, unless otherwise stated, disclosed a numerical range if it is disclosed, and the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Because numerical value is more, can't be exhaustive, so the utility model discloses just disclose some numerical values with the illustration the technical scheme of the utility model to, the numerical value that the aforesaid was enumerated should not constitute right the utility model discloses create the restriction of protection scope.

The utility model discloses if disclose or related to mutual fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.

The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. The utility model provides a many band saws actuating mechanism, includes the frame, have the ascending band pulley of going up of a plurality of diameters of coaxial setting and band pulley down in the frame, go up the band pulley and overlap on the band pulley down and be equipped with many band saw blades that form many rings of loop configuration, its characterized in that: the frame is provided with a driving rotating shaft positioned between an upper belt wheel and a lower belt wheel, the driving rotating shaft is sleeved with a plurality of belt wheels which are in one-to-one correspondence with the upper belt wheel or the lower belt wheel and have decreasing diameters, and the belt wheels are in transmission connection with the corresponding upper belt wheel or the corresponding lower belt wheel through a transmission belt.

2. The multiple band saw drive mechanism of claim 1, wherein: the diameters of the upper belt wheel and the lower belt wheel are sequentially increased from front to back, and the diameters of the belt wheels are sequentially decreased from front to back.

3. The multiple band saw drive mechanism of claim 1, wherein: the upper belt wheel or the lower belt wheel is provided with a belt installation part for sleeving a transmission belt, a belt groove is formed in the belt installation part, and the diameters of the belt installation parts of the upper belt wheel or the lower belt wheel are the same.

4. The multiple band saw drive mechanism of claim 3, wherein: the frame is provided with square shafts for mounting an upper belt wheel and a lower belt wheel respectively, each upper belt wheel and each lower belt wheel are rotatably matched with a connecting disc through a bearing, and the connecting discs are sleeved on the square shafts.