CN210025581U

CN210025581U - Multi-band saw with adjustable cutting thickness

Info

Publication number: CN210025581U
Application number: CN201920389659.9U
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: 2020-02-07
Anticipated expiration: 2029-03-26

Abstract

The utility model relates to a many band saws of cutting thickness adjustable, which comprises a frame, be provided with at least a set of band saw in the frame, every group band saw includes the last band pulley that a plurality of diameters of coaxial setting increase progressively and band pulley and many band saw blades that form many rings of loop configuration down, frame upper portion and lower part are provided with the square shaft that is used for installing band pulley and band pulley down respectively, and every is gone up band pulley and band pulley down and all passes through bearing and a flange normal running fit, the flange suit is controlled in the square shaft and can be relative square shaft and remove, be provided with the adjustment mechanism who is used for adjusting position about each flange on the square shaft. The multi-belt saw with the adjustable cutting thickness realizes the quick adjustment of the cutting thickness, does not need to be adjusted by replacing upper and lower belt wheels with different diameters, is convenient to adjust, simple to operate, time-saving and labor-saving, and ensures the processing progress; meanwhile, all the band saw blades can work at a relatively consistent linear speed, and the service lives of all the band saw blades tend to be consistent.

Description

Multi-band saw with adjustable cutting thickness

Technical Field

The utility model relates to a many band saws of cutting thickness adjustable.

Background

When the existing multi-band saw needs to cut plates with different thicknesses, the transverse distance between two adjacent band saw blades needs to be changed by replacing upper belt wheels with different diameters, so that the thickness of the cut wood plate is changed; this kind of mode is too traditional, needs to pull out and changes upper and lower band pulley, still needs to change the band saw blade, and the operation is extremely complicated, wastes time and energy, and is inefficient.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a convenient to use, easy operation's cutting thickness adjustable many band saws has realized the quick adjustment of cutting thickness.

The utility model discloses a following scheme realizes: the utility model provides a many band saws of cutting thickness adjustable, includes the frame, be provided with at least a set of band saw in the frame, every group band saw includes the last band pulley that a plurality of diameters of coaxial setting increase progressively and band pulley and many band saw blades that form many rings of loop configuration down, frame upper portion and lower part are provided with the square shaft that is used for installing band pulley and band pulley down respectively, and every is gone up the band pulley and all passes through bearing and a connecting disc normal running fit with lower band pulley, the connecting disc suit is controlled in the square shaft and can remove about the square shaft relatively, be provided with the adjustment mechanism who is used for adjusting position about each connecting disc on the square shaft.

Furthermore, the adjusting mechanism comprises a screw rod which transversely penetrates through a square shaft, two ends of the screw rod are propped against the connecting disc, a threaded sleeve which is sleeved on the screw rod and can rotate is installed in the square shaft, a worm wheel is arranged on the threaded sleeve, a worm which is located beside the threaded sleeve and matched with the worm wheel on the threaded sleeve is also installed in the square shaft, and the axis of the worm is parallel to the length direction of the square shaft.

Furthermore, a rectangular hole for the square shaft to pass through is formed in the connecting disc, the connecting disc sleeved on the square shaft at the upper part can move up and down relative to the square shaft at the upper part, vertical plunger holes corresponding to the connecting disc one to one are formed in the side face of the square shaft at the upper part, plungers capable of floating up and down relative to the plunger holes are arranged in the plunger holes, and the upper ends of the plungers push against the upper sides of the rectangular holes corresponding to the connecting disc.

Furthermore, the width of a rectangular hole in a connecting disc for mounting the lower belt wheel is larger than that of a lower square shaft, and two ends of a screw rod on the lower square shaft are propped against two side surfaces of the rectangular hole of the connecting disc; the upper square shaft is also sleeved with a rectangular connecting sleeve positioned in the rectangular hole of the connecting disc, the height of the rectangular hole of the connecting disc for installing the upper belt wheel is larger than that of the rectangular connecting sleeve, the width of a middle hole of the rectangular connecting sleeve is larger than that of the upper square shaft, and two ends of a screw rod on the upper square shaft prop against two side faces of the middle hole of the rectangular connecting disc.

Furthermore, the middle part of the worm is provided with an inner hexagonal hole for an inner hexagonal wrench to insert into and rotate the worm, and the end part of the square shaft is provided with a through hole which is communicated with the end part of the worm and is used for the inner hexagonal wrench to penetrate.

Furthermore, an oil injection hole is formed in the end part of the upper square shaft and is communicated with all the plunger holes through an oil inlet channel in the upper square shaft; and a sealing sleeve is arranged at the orifice of the plunger hole, the sealing sleeve is in sealing fit with the plunger hole, and a middle hole of the sealing sleeve is in sealing fit with the plunger.

Furthermore, install in the frame and be used for driving band pulley or band pulley pivoted actuating mechanism down, actuating mechanism is including being located the drive pivot between band pulley and the lower band pulley, the cover is equipped with a plurality of belt pulleys that correspond one-to-one with last band pulley or lower band pulley on the drive pivot, the belt pulley passes through driving belt transmission with the last band pulley or the lower band pulley that correspond 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.

Compared with the prior art, the utility model discloses following beneficial effect has: the multi-band saw with the adjustable cutting thickness realizes the quick adjustment of the cutting thickness, does not need to be adjusted by replacing the upper and lower belt wheels with different diameters, is convenient to adjust, simple to operate, time-saving and labor-saving, and ensures the processing progress; meanwhile, all the band saw blades can work at a relatively consistent linear speed, and the service lives of all the band saw blades tend to be consistent.

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 sectional view of the upper pulley of the embodiment of the present invention;

FIG. 4 is a sectional view of the lower pulley of the embodiment of the present invention;

FIG. 5 is a schematic structural view of an upper square shaft in an embodiment of the present invention;

FIG. 6 is an end view of the upper square shaft in an embodiment of the present invention;

FIG. 7 is a cross-sectional view of a lower pulley configuration in accordance with a first 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-square shaft, 510-bearing, 520-connecting disc, 521-rectangular hole, 530-screw, 540-thread sleeve, 541-turbine, 550-worm, 551-hexagon socket hole, 560-vertical plunger hole, 570-plunger, 580-rectangular connecting sleeve, 590-through hole, 600-driving rotating shaft, 610-belt pulley and 700-driving belt.

Detailed Description

The first embodiment is as follows: as shown in fig. 1 to 7, a multi-band saw with adjustable cutting thickness comprises a frame 100, wherein at least one group of band saws is arranged on the frame 100, each group of band saws comprises a plurality of upper belt pulleys 200 and lower belt pulleys 300 which are coaxially arranged and have gradually increased diameters, and a plurality of band saw blades 400 which form a multi-ring annular structure, square shafts 500 for mounting the upper belt pulleys and the lower belt pulleys are respectively arranged at the upper part and the lower part of the frame 100, each upper belt pulley 200 and each lower belt pulley 300 are rotatably matched with a connecting disc 520 through a bearing 510, the connecting discs are sleeved on the square shafts 500 and can move left and right relative to the square shafts 500, and adjusting mechanisms for adjusting the left and right positions of the connecting discs are arranged on the square shafts 500; every connection pad has all been equipped with independent adjustment mechanism on the square shaft, position about through adjustment mechanism adjustment connection pad, and then play the adjustment to every position about upper and lower band pulley, and then can adjust every band saw blade 400 position about, realize the interval of two adjacent band saw blades 400 cutting sides, thereby realize the quick adjustment of cutting thickness, need not adjust through the upper and lower band pulley of changing different diameters, and it is convenient to adjust, the operation is simple, time saving and labor saving, and the progress of processing is guaranteed.

In this embodiment, the adjusting mechanism includes a screw 530 transversely penetrating through the square shaft 500, the connecting plate 520 is supported at two ends of the screw 530, a screw sleeve 540 which is sleeved on the screw 530 and can rotate is installed in the square shaft 500, a worm wheel 541 is arranged on the screw sleeve 540, the worm wheel 541 can be sleeved on the screw sleeve or can adopt an integral structure with the screw sleeve, a worm 550 which is located beside the screw sleeve 540 and is matched with the worm wheel on the screw sleeve 540 is also installed in the square shaft 500, and the axial lead of the worm 550 is parallel to the length direction of the square shaft; the square shaft is fixedly arranged on the rack, so that the connecting disc can be driven to transversely move under the action of the screw rod and the threaded sleeve when the worm is rotated; each connecting disc is provided with an independent adjusting mechanism, and the number of the worms in the square shaft is the same as that of the connecting discs sleeved on the square shaft, so that in order to enable the worms to be reasonably arranged, all the worms are not on the same straight line any more and can be distributed in an array manner.

In this embodiment, the connecting disc 520 is provided with a rectangular hole 521 for a square shaft to pass through, the connecting disc sleeved on the upper square shaft can also move up and down relative to the upper square shaft, the upper side surface of the upper square shaft is provided with vertical plunger holes 560 corresponding to the connecting discs one by one, plungers 570 capable of floating up and down relative to the plunger holes are arranged in the plunger holes, and the upper ends of the plungers are propped against the upper sides of the rectangular holes corresponding to the connecting discs; the plunger 570 is pushed by high-pressure oil injected into the plunger hole to push the connecting disc upwards, so that the tightness of the band saw blade can be adjusted by controlling the pressure of the high-pressure oil.

In the embodiment, the width of a rectangular hole on a connecting disc for mounting a lower belt wheel is larger than that of a lower square shaft, and two ends of a screw rod on the lower square shaft are propped against two side surfaces of the rectangular hole of the connecting disc; the upper square shaft is also sleeved with a rectangular connecting sleeve 580 positioned in a rectangular hole of the connecting disc, the height of the rectangular hole of the connecting disc for mounting the upper belt wheel is larger than that of the rectangular connecting sleeve, the width of a middle hole of the rectangular connecting sleeve is larger than that of the upper square shaft, and two ends of a screw rod on the upper square shaft prop against two side surfaces of the middle hole of the rectangular connecting disc.

In this embodiment, the middle of the worm 550 is provided with a hexagon socket 551 for inserting a hexagon socket wrench into the rotating worm, and the end of the square shaft is provided with a through hole 590 which leads to the end of the worm and through which the hexagon socket wrench can pass.

In the embodiment, an oil injection hole is formed in the end part of the upper square shaft and is connected with a high-pressure oil pipe, and the oil injection hole is communicated with all plunger holes through an oil inlet channel in the upper square shaft; and a sealing sleeve is arranged at the orifice of the plunger hole, the sealing sleeve is in sealing fit with the plunger hole, and a middle hole of the sealing sleeve is in sealing fit with the plunger.

In this embodiment, a driving mechanism for driving the lower belt pulleys to rotate is installed on the frame 100, the driving mechanism includes a driving rotating shaft 600 located between the lower belt pulleys, a plurality of belt pulleys 610 corresponding to the lower belt pulleys one to one are sleeved on the driving rotating shaft, and the belt pulleys 610 are in transmission connection with the corresponding lower belt pulleys 300 through a transmission belt 700; the lower belt wheel is a driving belt wheel to drive the band saw blade 400 to work; every band pulley and band pulley down are all independent pivoted, the great lower band pulley of diameter drives work by the less belt pulley of diameter, the great lower band pulley of diameter just can be slower than other band pulley rotational speeds so, the less lower band pulley of diameter drives work by the great belt pulley of diameter, the less lower band pulley of diameter just can be faster than other band pulley rotational speeds so, make the linear speed of all lower band pulleys can reach unanimous basically, guarantee that all band saw blades can keep comparatively unanimous linear speed work, guarantee that all band saw blades life is balanced, avoid band saw blades on the great band pulley of diameter to scrap in advance because of the linear speed is too fast, reduce the frequency of shutting down the maintenance, guarantee the machined part progress, economic benefits is improved.

In this embodiment, the diameters of the upper pulley and the lower pulley increase in order from front to back, and the diameters of the pulleys decrease in order from front to back.

In this embodiment, the upper pulley 200 or the lower pulley 300 has a belt mounting portion 310 for sleeving a transmission belt, the belt mounting portion has a belt slot 311, and the belt mounting portions of all the upper pulleys or the lower pulleys have the same diameter, 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 rack 100 is provided with two groups of band saws, one group being left and the other group being right, the two groups of band saws have the same structure, and can cut wood into a plurality of wood boards at one time, so that the processing efficiency is high.

In this embodiment, the driving rotating shaft 600 is installed on the frame through two bearing seats, the driving rotating shaft is driven by the motor to work, and the driving rotating shaft may be coaxially connected with 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 can adopt the lower belt wheel as the driving belt wheel and also can adopt the 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 the diameters decreasing in a one-to-one correspondence manner are sleeved on the driving rotating shaft, and the belt wheels are in transmission connection with the corresponding upper belt wheels through the transmission belts; 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 of cutting thickness adjustable, includes the frame, be provided with at least a set of band saw in the frame, every group band saw includes the last band pulley that a plurality of diameters of coaxial setting increase progressively and band pulley and many band saw blades that form many rings of loop configuration, its characterized in that: the upper portion and the lower portion of the rack are respectively provided with a square shaft used for installing an upper belt wheel and a lower belt wheel, each upper belt wheel and each lower belt wheel are rotatably matched with a connecting disc through a bearing, the connecting discs are sleeved on the square shafts and can move left and right relative to the square shafts, and the square shafts are provided with adjusting mechanisms used for adjusting the left and right positions of the connecting discs.

2. The multi band saw with adjustable cutting thickness according to claim 1, wherein: the adjusting mechanism comprises a screw rod which transversely penetrates through a square shaft, two ends of the screw rod are propped against connecting discs, a threaded sleeve which is sleeved on the screw rod and can rotate is installed in the square shaft, a worm wheel is arranged on the threaded sleeve, a worm which is located beside the threaded sleeve and matched with the worm wheel on the threaded sleeve is also installed in the square shaft, and the axis of the worm is parallel to the length direction of the square shaft.

3. The multi band saw with adjustable cutting thickness according to claim 1 or 2, wherein: the connecting disc is provided with a rectangular hole for the square shaft to pass through, the connecting disc sleeved on the square shaft at the upper part can move up and down relative to the square shaft at the upper part, the side surface on the square shaft at the upper part is provided with vertical plunger holes corresponding to the connecting disc one by one, plungers capable of floating up and down relative to the plunger holes are arranged in the plunger holes, and the upper ends of the plungers push against the upper sides of the rectangular holes corresponding to the connecting disc.

4. The multi band saw with adjustable cutting thickness according to claim 2, wherein: the width of a rectangular hole on a connecting disc for mounting a lower belt wheel is larger than that of a lower square shaft, and two ends of a screw on the lower square shaft prop against two side surfaces of the rectangular hole of the connecting disc; the upper square shaft is also sleeved with a rectangular connecting sleeve positioned in the rectangular hole of the connecting disc, the height of the rectangular hole of the connecting disc for installing the upper belt wheel is larger than that of the rectangular connecting sleeve, the width of a middle hole of the rectangular connecting sleeve is larger than that of the upper square shaft, and two ends of a screw rod on the upper square shaft prop against two side faces of the middle hole of the rectangular connecting disc.

5. The multi band saw with adjustable cutting thickness according to claim 2, wherein: the middle part of the worm is provided with an inner hexagonal hole for an inner hexagonal wrench to insert into and rotate the worm, and the end part of the square shaft is provided with a through hole which is communicated with the end part of the worm and is used for the inner hexagonal wrench to penetrate.

6. The multi band saw with adjustable cutting thickness of claim 3, wherein: an oil injection hole is formed in the end part of the upper square shaft and is communicated with all the plunger piston holes through an oil inlet channel in the upper square shaft; and a sealing sleeve is arranged at the orifice of the plunger hole, the sealing sleeve is in sealing fit with the plunger hole, and a middle hole of the sealing sleeve is in sealing fit with the plunger.

7. The multi band saw with adjustable cutting thickness according to claim 1, wherein: the belt conveyor is characterized in that a driving mechanism for driving the upper belt wheel or the lower belt wheel to rotate is mounted on the rack, the driving mechanism comprises a driving rotating shaft positioned between the upper belt wheel and the lower belt wheel, a plurality of belt pulleys in one-to-one correspondence with the upper belt wheel or the lower belt wheel are sleeved on the driving rotating shaft, and the belt pulleys are in transmission connection with the corresponding upper belt wheel or the corresponding lower belt wheel through a transmission belt.

8. The multi band saw with adjustable cutting thickness of claim 7, 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.

9. The multi band saw with adjustable cutting thickness according to claim 7 or 8, 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.