CN211917080U

CN211917080U - Movable device of multi-saw-blade band sawing machine

Info

Publication number: CN211917080U
Application number: CN202020355909.XU
Authority: CN
Inventors: 柯九生
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2020-11-13
Anticipated expiration: 2030-03-19

Abstract

The utility model provides a movable device of a multi-saw-blade band sawing machine, which comprises a driving saw wheel shaft core, a driving saw wheel, a driven saw wheel shaft core, a driven saw wheel and a saw blade, wherein the driving saw wheel is arranged on the driving saw wheel shaft core through the rotation of a driving saw wheel external member; the driving saw wheel adjusting device comprises a driving part and a transmission part, wherein the driving part and the transmission part are arranged on a driving saw wheel shaft core, the driving part is linked with the transmission part, and the transmission part is linked with a driving saw wheel sleeve. The utility model discloses be equipped with initiative saw wheel adjusting device, make the interval of saw blade can adjust, the panel of multiple specification can be cut to single many saw blades band saw machine, reduction in production cost and time, improvement work efficiency have saved occupation of land space simultaneously widely.

Description

Movable device of multi-saw-blade band sawing machine

Technical Field

The utility model relates to a wood working equipment technical field, more specifically say, relate to a mobile device of multi-saw band saw machine.

Background

The band sawing machine is a wood sawing machine which can make continuous rotary motion in the same direction to saw, has high efficiency and small saw path, is the most widely used main sawing machine in Chinese wood-making equipment, and is mainly used for the sawing operation of woodworkers.

The band sawing machine comprises a machine body, a sawing device arranged on the machine body and a worktable surface mechanism for conveying wood to the sawing device, wherein the sawing device comprises a pair of driving saw wheels, a pair of driven saw wheels and a saw blade wound on the driving saw wheels and the driven saw wheels; the multi-saw blade band sawing machine is characterized in that the sawing device comprises at least two pairs of driving saw wheels and driven saw wheels, and saw blades wound on the driving saw blades and the driven saw blades respectively, so that wood can be cut into a plurality of plates at one time, the working efficiency is improved, and the production cost is reduced.

However, the blade pitch of the conventional multi-blade band saw machine cannot be adjusted, that is, one multi-blade band saw machine can only cut a plate of one specification, and a plurality of multi-blade band saw machines need to be provided according to different requirements of customers, so that the production cost and time are increased, the working efficiency is reduced, and a large place needs to be prepared for placing the multi-blade band saw machines.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mobile device of many saw blades band saw machine, it is equipped with initiative saw wheel adjusting device and driven saw wheel adjusting device, makes the interval of saw blade adjustable to overcome prior art's not enough.

The technical proposal of the utility model for solving the technical problem is that: a movable device of a multi-saw-blade band sawing machine comprises a driving saw wheel shaft core, a driving saw wheel, a driven saw wheel shaft core, a driven saw wheel and a saw blade, wherein the driving saw wheel shaft core and the driven saw wheel shaft core are arranged on a machine body of the multi-saw-blade band sawing machine, the driving saw wheel is rotatably arranged on the driving saw wheel shaft core through a driving saw wheel sleeve, the driven saw wheel is rotatably arranged on the driven saw wheel shaft core through a driven saw wheel sleeve, the saw blade is wound on the driving saw wheel and the driven saw wheel, and the movable device further comprises a driving saw wheel adjusting device, and the driving saw wheel adjusting device is used for adjusting the position of the central axis of the driving saw wheel; the driving saw wheel adjusting device comprises a driving part and a transmission part, the driving part and the transmission part are arranged on a driving saw wheel shaft core, the driving part is linked with the transmission part, and the transmission part is linked with a driving saw wheel sleeve; and the end part of the driving saw wheel shaft core, which is far away from the beam seat, is provided with a driving saw wheel limiting assembly.

The driving part is a gear shaft, and the transmission part is a rack; the gear shaft is movably arranged on the driving saw wheel shaft core in a penetrating mode, two ends of the rack can abut against the driving saw wheel sleeve, one end of the gear shaft is rotatably arranged on the driving saw wheel shaft core, the other end of the gear shaft extends into the driving saw wheel shaft core and extends to the rack, a gear is arranged at one end, close to the rack, of the gear shaft, teeth are arranged on the rack, and the gear is meshed with the teeth.

The driving saw is characterized in that a gear shaft positioning seat is arranged on the driving saw wheel shaft core, one end, far away from the rack, of the gear shaft is rotatably arranged on the gear shaft positioning seat, a rotating ring is arranged at one end, close to the rack, of the gear shaft, and the rotating ring is sleeved on the gear shaft and is arranged in the driving saw wheel shaft core.

The number of the driving saw wheels is the same as that of the driven saw wheels, and at least two driving saw wheels and at least two driven saw wheels are arranged; the number of racks and the number of gear shafts of the driving saw wheel adjusting device are the same as the number of the driving saw wheels, the racks correspond to the driving saw wheels one by one, and the gear shafts correspond to the racks one by one.

The driving saw wheel limiting assembly comprises a driving saw wheel pressing plate and a driving saw wheel locking block, the driving saw wheel pressing plate is sleeved on the end portion, far away from the beam seat, of the driving saw wheel shaft core, and the driving saw wheel locking block is connected with the driving saw wheel pressing plate and the driving saw wheel shaft core.

The utility model has the advantages that:

the utility model provides a mobile device of multi-saw band saw machine, it is equipped with initiative saw wheel adjusting device, and its the central axis position that is used for adjusting the initiative saw wheel makes the interval of saw blade can adjust, need not to prepare many multi-saw band saw machines, and the panel of multiple specification can be cut to single multi-saw band saw machine to reduction in production cost and time, improvement work efficiency have saved occupation of land space simultaneously widely.

Drawings

FIG. 1 is a schematic view of a multi-blade band saw machine according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a driving saw wheel assembly, a driven saw wheel assembly, a saw cutting motor and a saw cutting transmission device according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a driving saw wheel assembly and a driving saw wheel adjusting device according to an embodiment of the present invention.

Fig. 4 is a partially exploded view of fig. 3.

Fig. 5 is a schematic structural view of a driving saw wheel spindle and a driving saw wheel adjusting device according to an embodiment of the present invention.

Fig. 6 is a sectional view of the driving saw wheel assembly and the driving saw wheel adjusting device according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a driven saw wheel assembly and a driven saw wheel adjusting device according to a first embodiment of the present invention.

Fig. 8 is a partially exploded view of fig. 7.

Fig. 9 is a schematic structural diagram of a driven saw wheel and a driven saw wheel adjusting device according to a first embodiment of the present invention.

Fig. 10 is a sectional view of the driven saw wheel assembly and the driven saw wheel adjusting device according to the first embodiment of the present invention.

Fig. 11 is another sectional view of the driven saw wheel assembly and the driven saw wheel adjusting device according to the first embodiment of the present invention.

FIG. 12 is a schematic view of a multi-blade band saw machine according to a second embodiment of the present invention.

Fig. 13 is a schematic structural view of the axle core of the driving saw wheel and the adjusting device of the driving saw wheel in the second embodiment of the present invention.

Fig. 14 is a sectional view of the driving saw wheel assembly and the driving saw wheel adjusting device according to the second embodiment of the present invention.

Fig. 15 is a sectional view of the driven saw wheel assembly and the driven saw wheel adjusting device according to the second embodiment of the present invention.

Fig. 16 is another sectional view of the driven saw wheel assembly and the driven saw wheel adjusting device according to the second embodiment of the present invention.

Fig. 17 is a schematic structural view of a multi-blade band saw machine according to a third embodiment of the present invention.

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 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 drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "up", "down", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. "plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected. Can also be detachably connected or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.

Example one

Referring to fig. 1-11, a movable device of a multi-blade band sawing machine comprises a driving saw wheel spindle core 2, a driving saw wheel 20, a driven saw wheel spindle core 3, a driven saw wheel 30, a saw blade 4, a driving saw wheel adjusting device and a driven saw wheel adjusting device.

The movable device is on the organism of many saw blades band saw machine, and the many saw blades band saw machine of this embodiment is vertical many saw blades band saw machine, and the organism includes frame 1, support 10, crossbeam seat 11, table surface mechanism 12, and support 10 is longmen shape and sets up in frame 1, and crossbeam seat 11 slides through crossbeam seat slider and sets up on support 10 and remove by crossbeam seat drive arrangement drive, and table surface mechanism 12 is to 4 transported substance materials of saw blade.

The crossbeam seat sliding device comprises a crossbeam seat sliding block and a crossbeam seat sliding rail 131, the crossbeam seat sliding block is arranged on the crossbeam seat 11, the crossbeam seat sliding rail 131 is arranged on the support 10, and the crossbeam seat sliding block is connected with the crossbeam seat sliding rail 131 in a sliding manner.

The crossbeam seat driving device comprises a crossbeam seat driving motor 14, a crossbeam seat speed reducer and a crossbeam seat ball screw 142, wherein the crossbeam seat 11 is connected with the crossbeam seat ball screw 142 in a matching way and moves in the horizontal direction through the matching of the crossbeam seat driving motor 14 and the crossbeam seat speed reducer.

The movable means are arranged on the crossbar mount 11. Two sets of movable devices are provided, so that two beam seats 11 are symmetrically provided on the support 10, and the movable devices are respectively provided on the beam seats 11 and move together with the beam seats 11. Wherein the direction of movement of the two crossbar bases 11 is opposite.

The driving saw wheel spindle core 2 and the driven saw wheel spindle core 3 are arranged on the crossbeam seat 11; the driving saw wheel 20 is rotationally arranged on the driving saw wheel shaft core 2 through a driving saw wheel inner sleeve 21 and a driving saw wheel bearing 22, and the driven saw wheel 30 is rotationally arranged on the driven saw wheel shaft core 3 through a driven saw wheel inner sleeve 31 and a driven saw wheel bearing 32; the central axis of the driving saw wheel 20 and the central axis of the driven saw wheel 30 are located on the same vertical plane.

Specifically, the driving saw wheel inner sleeve 21 is sleeved on the driving saw wheel shaft core 2, the inner ring of the driving saw wheel bearing 22 is fixedly sleeved on the driving saw wheel inner sleeve 21, and the driving saw wheel 20 is fixedly sleeved on the outer ring of the driving saw wheel bearing 22; the driven saw wheel inner sleeve 31 is sleeved on the driven saw wheel shaft core 3, the inner ring of the driven saw wheel bearing 32 is fixedly sleeved on the driven saw wheel inner sleeve 31, and the driven saw wheel 30 is fixedly sleeved on the outer ring of the driven saw wheel bearing 32.

The section of the driving saw wheel shaft core 2 is rectangular, the trepanning of the driving saw wheel inner sleeve 21 is rectangular, the width of the trepanning of the driving saw wheel inner sleeve 21 in the horizontal direction is larger than that of the driving saw wheel shaft core 2 in the horizontal direction, and the width of the trepanning of the driving saw wheel inner sleeve 21 in the vertical direction is suitable for the width of the driving saw wheel shaft core 2 in the vertical direction, so that the driving saw wheel inner sleeve 21 can move on the driving saw wheel shaft core 2 in the horizontal direction. Similarly, the section of the driven saw wheel spindle core 3 is rectangular, the trepanning of the driven saw wheel inner sleeve 31 is rectangular, and the widths of the trepanning of the driven saw wheel inner sleeve 31 in the horizontal direction and the vertical direction are larger than the widths of the driven saw wheel spindle core 3 in the horizontal direction and the vertical direction, so that the driven saw wheel inner sleeve 31 can move on the driven saw wheel spindle core 3.

The driving saw wheel shaft core 2 is provided with a driving saw wheel limiting component to limit the driving saw wheel 20 on the driving saw wheel shaft core 2. The driving saw wheel limiting assembly comprises a driving saw wheel pressing plate 23 and a driving saw wheel locking block 231, driving saw wheel shaft core grooves 232 are formed in two sides of the front end of the driving saw wheel shaft core 2, the driving saw wheel pressing plate 23 is sleeved on the front end of the driving saw wheel shaft core 2, and the driving saw wheel locking block 231 is arranged in the driving saw wheel shaft core grooves 232 and fixedly connected with the driving saw wheel pressing plate 23 and the driving saw wheel shaft core 2. Wherein, a driving saw wheel spacer 233 is arranged between the driving saw wheel pressing plate 23 and the driving saw wheel 20 positioned at the foremost end of the driving saw wheel shaft core 2.

Similarly, the driven saw wheel spindle core 3 is provided with a driven saw wheel restraining assembly to restrain the driven saw wheel 30 on the driven saw wheel spindle core 3. The driven saw wheel limiting assembly comprises a driven saw wheel pressing plate 33 and a driven saw wheel locking block 331, driven saw wheel shaft core grooves 332 are formed in two sides of the front end of the driven saw wheel shaft core 3, the driven saw wheel pressing plate 33 is sleeved on the front end of the driven saw wheel shaft core 3, and the driven saw wheel locking block 331 is arranged in the driven saw wheel shaft core grooves 332 and fixedly connected with the driven saw wheel pressing plate 33 and the driven saw wheel shaft core 3. Wherein, a driven saw wheel spacer 333 is also arranged between the driven saw wheel pressing plate 33 and the driven saw wheel 30 positioned at the foremost end of the driven saw wheel shaft core 3. In addition, in order to enhance the overall structural strength, a connecting rod 40 is arranged between the front end of the driving saw wheel shaft core 2 and the front end of the driven saw wheel shaft core 3.

The quantity of initiative saw wheel 20 is the same with driven saw wheel 30's quantity, and initiative saw wheel 20, driven saw wheel 30 all are equipped with two at least, the utility model discloses be equipped with four pairs of initiative saw wheel 20 and driven saw wheel 30. The outer diameters of the driving saw wheels 20 are different in size, and the outer diameters of the driving saw wheels 20 are sequentially overlapped from large to small to form a conical step type structure; similarly, the outer diameters of the driven saw wheels 30 are different in size, and the outer diameters of the driven saw wheels 30 are sequentially overlapped from large to small to form a conical step structure. The driving saw wheels 20 correspond to the driven saw wheels 30 one by one, and the saw blades 4 are respectively wound on the driving saw wheels 20 and the corresponding driven saw wheels 30.

The driving saw wheel 20 is driven to rotate by the sawing motor 15; the sawing motor 15 is arranged on the beam base 11 and is in driving connection with the main saw wheel 20 via a sawing transmission. The sawing transmission device comprises a driving synchronous pulley 16, a driven synchronous pulley, a synchronous belt 161, a transmission shaft 162, a transmission belt 163 and a transmission wheel 164.

The driving synchronous pulley 16 is arranged on an output shaft of the sawing motor 15, the driven synchronous pulley is arranged on the transmission shaft 162, and the synchronous belt 161 is wound on the driving synchronous pulley 16 and the driven synchronous pulley; the driving wheels 164 are disposed on the transmission shaft 162, the number of the driving wheels is the same as that of the active saw wheel 20, the driving wheels 164 correspond to the active saw wheel bearings 22 one by one, and the transmission belt 163 is wound on the outer rings of the driving wheels 164 and the corresponding active saw wheel bearings 22. The output shaft of the sawing motor 15 rotates to drive the transmission shaft 162 to rotate, and the transmission shaft 162 rotates to drive the transmission wheel 164 to rotate, which in turn drives the driving saw wheel 20 to rotate. In addition, a belt tensioning wheel is further provided on the beam seat 11 to tension the belt 163.

The driving saw wheel adjusting device is arranged on the driving saw wheel shaft core 2 and is used for adjusting the position of the central axis of the driving saw wheel 20. The driving saw wheel adjusting device comprises gear shaft 51 positioning seats 5, gear shafts 51 and racks 52, wherein the number of the gear shaft 51 positioning seats 5, the number of the gear shafts 51 and the number of the racks 52 are all the same as the number of the driving saw wheels 20, the racks 52 correspond to the driving saw wheels 20 one by one, the gear shafts 51 correspond to the racks 52 one by one, and the gear shaft 51 positioning seats 5 correspond to the gear shafts 51 one by one.

The driving saw wheel shaft core 2 is provided with a driving saw wheel shaft core through hole 53 horizontally penetrating through the driving saw wheel shaft core 2 at the position corresponding to the driving saw wheel inner sleeve 21, the rack 52 is movably arranged on the driving saw wheel shaft core through hole 53 in a penetrating way, and two ends of the rack are abutted against the sleeve holes of the corresponding driving saw wheel inner sleeve 21.

The front end of the driving saw arbor 2 is provided with a concave cavity 54, and a fixing plate 55 is fixed to cover the concave cavity 54. The gear shaft 51 positioning seats 5 are horizontally arranged in the cavity 54 side by side and connected with the fixing plate 55, one end of the gear shaft 51 is rotatably arranged on the corresponding gear shaft 51 positioning seat 5 and extends out through the fixing plate 55, and the other end of the gear shaft 51 extends into the driving saw shaft core 2 and extends to the corresponding rack 52.

One end of the gear shaft 51 close to the rack 52 is rotatably provided with a rotating ring which is sleeved on the gear shaft 51 and fixed in the driving saw wheel shaft core 2, so that one end of the gear shaft 51 is supported and the gear shaft 51 is not limited to rotate. One end of the gear shaft 51 close to the rack 52 is provided with a gear 511, one side of the rack 52 facing the gear shaft 51 is provided with teeth 521, and the gear 511 is meshed with the corresponding teeth 521 on the rack 52.

The gear shaft 51 rotates to drive the gear 511 to rotate, the gear 511 is meshed with the teeth 521 to enable the rack 52 to move axially, the rack 52 moves to drive the corresponding driving gear 511 to move, and therefore the central axis of the driving saw wheel 20 is adjusted in the horizontal direction.

The driven saw wheel adjusting device is arranged on the driven saw wheel shaft core 3 and is used for adjusting the position of the central axis of the driven saw wheel 30. The driven saw wheel adjusting device comprises positioning adjusting seats 6, positioning adjusting spacers 61, eccentric adjusting screw rods 62 and locking screws 63, the number of the positioning adjusting seats 6 and the number of the positioning adjusting spacers 61 are the same as that of the driven saw wheels 30, the positioning adjusting seats 6 correspond to the driven saw wheels 30 one by one, and the positioning adjusting spacers 61 correspond to the positioning adjusting seats 6 one by one.

The positioning adjusting seat 6 is sleeved on the driven saw wheel shaft core 3 and is arranged on a sleeve hole of the driven saw wheel inner sleeve 31, the width of the positioning adjusting seat 6 in the horizontal direction is larger than that of the driven saw wheel shaft core 3 in the horizontal direction and is matched with the width of the sleeve hole of the driven saw wheel inner sleeve 31 in the horizontal direction, so that the positioning adjusting seat 6 can move on the driven saw wheel shaft core 3 in the horizontal direction, and the driven saw wheel inner sleeve 31 moves along with the positioning adjusting seat 6 in the horizontal direction. The positioning adjusting spacer 61 is sleeved on one side of the positioning adjusting seat 6, and the positioning adjusting spacer 61 cannot pass through the sleeve hole of the driven saw wheel inner sleeve 31, so that the position of the positioning adjusting seat 6 is limited.

The position of the driven saw wheel spindle core 3 corresponding to the positioning adjusting seat 6 is provided with a threaded hole 64 which horizontally penetrates through the driven saw wheel spindle core 3, one end of the eccentric adjusting screw rod 62 is rotatably arranged on the corresponding positioning adjusting seat 6, the other end of the eccentric adjusting screw rod is in threaded connection with the threaded hole 64, the eccentric adjusting screw rod 62 is rotated to drive the positioning adjusting seat 6 to move in the horizontal direction, and the adjustment of the central axis of the driven saw wheel 30 in the horizontal direction is achieved. Wherein, the eccentric adjusting screw 62 is arranged close to the positioning adjusting spacer 61; the positions of the positioning adjusting spacer 61 and the positioning adjusting seat 6 corresponding to the eccentric adjusting screw rod 62 are provided with clearance 65.

The locking screw 63 can pass through the positioning adjusting spacer 61 and be in threaded connection with the positioning adjusting seat 6, and one end of the locking screw close to the driven saw wheel shaft core 3 can be abutted against the driven saw wheel shaft core 3. The locking screw 63 and the eccentric adjusting screw 62 are positioned on the same side and can move in the horizontal direction; at least one locking screw 63 is provided. In this embodiment, two locking screws 63 are provided; the locking screw 63 is provided to further limit the position of the positioning adjustment base 6 and the driven saw arbor 3. The positions of the eccentric adjusting screw rod 62 and the locking screw 63 are positioned on the left side or the right side of the driven saw wheel spindle core 3.

The driven saw wheel shaft core 3 is also provided with a saw blade tensioning device to realize the tensioning of the saw blade 4, and the tensioning direction of the saw blade tensioning device is perpendicular to the adjusting direction of the driven saw wheel adjusting device. The saw blade tensioning device comprises a hydraulic oil cylinder and tensioning shafts 41 driven by the hydraulic oil cylinder to stretch, the number of the tensioning shafts 41 is the same as that of the driven saw wheels 30, and the tensioning shafts correspond to the positioning adjusting seats 6 one by one.

The width of the positioning adjusting seat 6 in the vertical direction is smaller than the width of a sleeve hole of the driven saw wheel inner sleeve 31 in the vertical direction, so that the driven saw wheel inner sleeve 31 can move in the vertical direction on the positioning adjusting seat 6. The tensioning shafts 41 are respectively and movably arranged at the positions of the driven saw wheel shaft core 3 corresponding to the positioning adjusting seats 6, and the corresponding positioning adjusting seats 6 are provided with positioning adjusting seat through holes 601 for the tensioning shafts 41 to extend out and abut against the sleeve holes of the driven saw wheel inner sleeve 31. In this embodiment, the stretching direction of the tension shaft 41 is vertical, and the extending direction of the tension shaft 41 is upward.

The steps of adjusting the pitch of the saw blade in this embodiment are as follows:

s1, rotating a gear shaft 51 to enable a rack 52 to move axially, and enabling the rack 52 to move to drive a corresponding driving gear 511 to move, so that the central axis of each driving saw wheel 20 is adjusted in the horizontal direction;

s2, rotating the eccentric adjusting screw rod 62 to enable the central axis of the driven saw wheel 30 and the central axis of the driving saw wheel 20 to be in the same vertical plane, then screwing the locking screw 63 on the positioning adjusting seat 6, and enabling the locking screw 63 to abut against the driven saw wheel shaft core 3;

s3, the tensioning shaft 41 is driven to extend out through the hydraulic oil cylinder, so that the tensioning shaft 41 is abutted against the driven saw wheel inner sleeve 31, and the tensioning setting of the saw blade 4 is realized.

Example two

Referring to fig. 12 to 16, unlike the first embodiment, the multi-band saw machine of the present embodiment is a horizontal multi-band saw machine, and the movable devices of the present embodiment are provided in only one set, and correspondingly, the beam base 11 is also provided in only one set, and the beam base 11 is driven by the beam base driving device to move in the vertical direction.

In the movable device of the embodiment, the central axis of the driving saw wheel 20 and the central axis of the driven saw wheel 30 are positioned on the same horizontal plane;

the width of the sleeve hole of the inner sleeve 21 of the driving saw wheel in the vertical direction is larger than that of the shaft core 2 of the driving saw wheel in the vertical direction, and the width of the sleeve hole of the inner sleeve 21 of the driving saw wheel in the horizontal direction is suitable for that of the shaft core 2 of the driving saw wheel in the horizontal direction, so that the inner sleeve 21 of the driving saw wheel can move on the shaft core 2 of the driving saw wheel in the vertical direction;

the through hole 53 of the shaft core of the driving saw wheel vertically penetrates through the shaft core 2 of the driving saw wheel, the gear shaft positioning seat 5 is vertically arranged in the concave cavity 54 side by side, the gear shaft 51 rotates to drive the gear 511 to rotate, the gear 511 is meshed with the teeth 521 to enable the rack 52 to axially move, the rack 52 moves to drive the corresponding driving gear 511 to move, and the adjustment of the central axis of the driving saw wheel 20 in the vertical direction is realized;

the width of the positioning adjusting seat 6 in the vertical direction is larger than that of the driven saw wheel shaft core 3 in the vertical direction and is matched with the width of a sleeve hole of the driven saw wheel inner sleeve 31 in the vertical direction, so that the positioning adjusting seat 6 can move on the driven saw wheel shaft core 3 in the vertical direction, and the driven saw wheel inner sleeve 31 moves along with the positioning adjusting seat 6 in the vertical direction;

the threaded hole 64 vertically penetrates through the driven saw wheel shaft core 3, and the eccentric adjusting screw rod 62 is rotated to drive the positioning adjusting seat 6 to move in the vertical direction, so that the central axis of the driven saw wheel 30 is adjusted in the vertical direction; the locking screw 63 also moves in the vertical direction, and the positions of the eccentric adjusting screw 62 and the locking screw 63 are positioned on the lower side of the driven saw wheel spindle core 3;

the extension and retraction direction of the tension shaft 41 is horizontal, and the extension direction of the tension shaft 41 is opposite to the direction toward the main saw wheel 20.

s1, rotating a gear shaft 51 to enable a rack 52 to move axially, and enabling the rack 52 to move to drive a corresponding driving gear 511 to move, so that the central axis of each driving saw wheel 20 is adjusted in the vertical direction;

s2, rotating the eccentric adjusting screw rod 62 to enable the central axis of the driven saw wheel 30 and the central axis of the driving saw wheel 20 to be in the same horizontal plane, then screwing the locking screw 63 on the positioning adjusting seat 6, and enabling the locking screw 63 to abut against the driven saw wheel shaft core 3;

s3, the tensioning shaft 41 is driven to extend out through the hydraulic oil cylinder, so that the tensioning shaft 41 is abutted against the driven saw wheel inner sleeve 31, and the tensioning setting of the saw blade is realized.

The rest of the structure is the same as the first embodiment.

EXAMPLE III

Referring to fig. 17, the multi-band saw machine of this embodiment is also a horizontal multi-band saw machine, and unlike the second embodiment, the present embodiment does not have a support, a beam seat sliding device, and a beam seat driving device, and the beam seat 11 is fixed on the machine frame, and the movable device does not move along with the beam seat 11.

The rest of the structure is the same as the embodiment.

While embodiments of the present invention 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 invention, the scope of which is defined by the claims and their equivalents, and all changes that can be made without inventive step are intended to be embraced therein.

Claims

1. The utility model provides a mobile device of many saw blades band saw machine, includes initiative saw arbor core, initiative saw wheel, driven saw arbor core, driven saw wheel, saw blade, initiative saw arbor core, driven saw arbor core set up on the organism of many saw blades band saw machine, the initiative saw wheel rotates through initiative saw wheel external member and sets up on initiative saw arbor core, driven saw wheel rotates through driven saw wheel external member and sets up on driven saw arbor core, the saw blade is around setting up on initiative saw wheel and driven saw wheel, its characterized in that: the saw blade device further comprises a driving saw wheel adjusting device, and the driving saw wheel adjusting device is used for adjusting the position of the central axis of the driving saw wheel; the driving saw wheel adjusting device comprises a driving part and a transmission part, wherein the driving part and the transmission part are arranged on a driving saw wheel shaft core, the driving part is linked with the transmission part, and the transmission part is linked with a driving saw wheel sleeve.

2. The movable apparatus of a multiple band saw machine according to claim 1, wherein: the driving part is a gear shaft, and the transmission part is a rack; the gear shaft is movably arranged on the driving saw wheel shaft core in a penetrating mode, two ends of the rack can abut against the driving saw wheel sleeve, one end of the gear shaft is rotatably arranged on the driving saw wheel shaft core, the other end of the gear shaft extends into the driving saw wheel shaft core and extends to the rack, a gear is arranged at one end, close to the rack, of the gear shaft, teeth are arranged on the rack, and the gear is meshed with the teeth.

3. The movable apparatus of a multiple band saw machine according to claim 2, wherein: the driving saw is characterized in that a gear shaft positioning seat is arranged on the driving saw wheel shaft core, one end, far away from the rack, of the gear shaft is rotatably arranged on the gear shaft positioning seat, a rotating ring is arranged at one end, close to the rack, of the gear shaft, and the rotating ring is sleeved on the gear shaft and is arranged in the driving saw wheel shaft core.

4. The movable apparatus of a multiple band saw machine according to claim 3, wherein: the number of the driving saw wheels is the same as that of the driven saw wheels, and at least two driving saw wheels and at least two driven saw wheels are arranged; the number of racks and the number of gear shafts of the driving saw wheel adjusting device are the same as the number of the driving saw wheels, the racks correspond to the driving saw wheels one by one, and the gear shafts correspond to the racks one by one.

5. The movable apparatus of a multiple band saw machine according to claim 4, wherein: the active saw wheel shaft core is provided with an active saw wheel limiting assembly on the end part far away from the beam seat, the active saw wheel limiting assembly comprises an active saw wheel pressing plate and an active saw wheel locking block, the active saw wheel pressing plate is sleeved on the end part far away from the beam seat of the active saw wheel shaft core, and the active saw wheel locking block is connected with the active saw wheel pressing plate and the active saw wheel shaft core.