CN115674364A

CN115674364A - A stirring mechanism for sawing cut american balsawood band saw machine

Info

Publication number: CN115674364A
Application number: CN202211273641.5A
Authority: CN
Inventors: 孟建华; 贾娜
Original assignee: Jiangsu Dongju Machinery Technology Co ltd; Northeast Forestry University
Current assignee: Jiangsu Dongju Machinery Technology Co ltd; Northeast Forestry University
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-02-03

Abstract

The invention relates to the technical field of band saw machine production, in particular to a material turning mechanism for sawing a band saw machine for American balsawood. The light wood turnover device can be used for better clamping and overturning the light wood, is convenient for sawing different surface positions of the light wood, and can also prevent the light wood from falling off during overturning, so that the stability during overturning is further improved.

Description

A stirring mechanism for sawing cut american balsawood band saw machine

Technical Field

The invention relates to the technical field of band saw machine production, in particular to a material turning mechanism for sawing a band saw machine for American balsawood.

Background

The American balsawood, also called balsawood, is originally produced in the American tropical and is the lightest commodity material in the world, and can be used as an important material of various light structures because of the smallest dissolved weight, uniform material and easy processing; the material can also be used as a model for various exhibitions or a plastic veneer and the like; as the heat conductivity coefficient is lower, the balsawood is a good heat-insulating material; in addition, the utility model can be used as sound insulation equipment, life-saving chest belt, water buoy, etc. The balsawood can also be made into special structures which require high-temperature resistant materials. The balsawood is sawn into boards by a band sawing machine so as to be convenient for subsequent processing.

The band saw takes a ring-shaped endless band saw blade as a saw tool and winds on two saw wheels to do unidirectional continuous linear motion to saw and cut wood. The saw mainly comprises a lathe bed, saw wheels, an upper saw wheel lifting and pitching device, a band saw blade tensioning device, a saw blade guiding device, a workbench, a guide plate and the like. The lathe bed is made of cast iron or steel plates by welding. The band sawing machine has wide application in the wood industry and various machine types, and can be divided into the following according to the process application: large band saws, recutting band saws and joinery band saws; according to the arrangement direction of the saw wheel: vertical, horizontal and inclined, vertical again divide: right and left; according to the installation mode of the band sawing machine, the method comprises the following steps: fixed and mobile; according to the number of the combined stations: common band sawing machines, multi-link band sawing machines and the like, and common woodworking band sawing machines are matched with woodworking sports cars for use.

Present band saw machine is sawing the balsawood, need saw cut to the other end along the one end of balsawood from the different surface position of balsawood according to actual conditions, wherein saw cut need overturn the balsawood when different surface position, current when overturning the balsawood through rotate the cam that the surface that is located the bottom and establishes in equipment has the friction granule rotate and drive the balsawood and rotate, carry out the centre gripping to the balsawood after the adjustment stirring is accomplished again, but such balsawood stirring is one to be stable safety inadequately, two adjust the stirring and press from both sides tight and can not combine ingeniously, it is convenient inadequately to use.

The applicant has therefore proposed a upender mechanism for sawing american balsa band saw machines to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide a turning mechanism for a band saw for sawing American balsawood, which solves the problems that in the prior art, when the balsawood is turned, a cam which is positioned at the bottom and arranged in equipment and provided with friction particles on the surface is rotated to drive the balsawood to rotate, and the balsawood is clamped after the turning is adjusted, but the turning of the balsawood is not stable and safe enough, and the turning and the clamping cannot be skillfully combined, so that the use is not convenient enough.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a stirring mechanism for saw cut american balsawood band saw machine, includes the equipment frame, the equipment frame top slides and is equipped with the removal frame, and is equipped with the band saw machine through vertical adjusting part in the removal frame and saw cuts the main part, equipment frame top intermediate position is equipped with the centre gripping and turns the subassembly, and the centre gripping turns the subassembly and includes the drive shaft that runs through the equipment frame from the tip rotation, drive shaft surface thread bush is equipped with two grip blocks, and two grip blocks all are equipped with the holder through rotating the groove face to face, the opposite face of holder all rotates and is equipped with the axostylus axostyle that runs through the grip block, the axostylus axostyle passes through holding ring and grip block fixed connection.

As preferred in this application, the equipment frame includes back the shape board, and returns the shape board bottom and be equipped with the multiunit supporting legs, it is equipped with two horizontal poles to return the shape inboard.

Preferably in this application, the removal frame includes that the slip sets up two at the shape of returning the board top and be symmetrical concave slide bar, and two concave slide bar top intermediate positions all are equipped with the pole setting.

As preferred in this application, vertical adjusting part is including seting up the opening at two pole setting opposite faces, and two inside rotations in opening are equipped with the regulation pole that runs through the pole setting top, two the regulation pole surface is equipped with the displacement piece that is located two openings insides through the thread bush respectively, and two displacement pieces are connected respectively and are saw cut the main part both ends at the band saw machine, two the regulation pole surface is located pole setting top position and all overlaps the drive wheel that is equipped with through the drive belt and is connected.

Preferably in this application, the holder includes and rotates the grip block that is connected and is located the both ends that are used for carrying out the centre gripping to the balsawood that rotate inslot portion with the axostylus axostyle, grip block fixed surface is equipped with the anti-skidding awl that multiunit improved grip block and balsawood both ends frictional force.

Preferably, the opposite sides of the two clamping plates are provided with positioning assemblies, each positioning assembly comprises a fixed block connected to the opposite sides of the two clamping plates, an adjusting rod penetrates through the surface of each fixed block, a clamping piece is sleeved on the surface of each adjusting rod in a threaded manner, and a gear fixedly sleeved on the surface of the shaft rod is further included, wherein the adjusting rods are rotatably connected with the fixed blocks;

the clamping piece comprises a movable block which is in threaded sleeve connection with the adjusting rod, and a clamping block which is clamped with the gear is fixedly arranged on the surface of the movable block.

As preferred in this application, the equipment frame bottom is equipped with upset auxiliary assembly, upset auxiliary assembly includes through bolted connection in two horizontal pole bottoms and be symmetrical concave type mounting panel, and two mounting panel tops are equipped with a plurality of telescopic link B, two the telescopic link B top at mounting panel top is equipped with concave type mounting bracket, two concave type all be equipped with supplementary commentaries on classics roller through the pivot in the mounting bracket, and supplementary commentaries on classics roller surface is equipped with a plurality of and balsawood surface contact's anti-skidding convex cone.

As preferred in this application, the equipment stand top is equipped with the limit fender subassembly, and the limit fender subassembly includes through the limiting plate of hinged joint on two horizontal poles, two the limiting plate bottom all articulates there is a set of telescopic link A, and two sets of telescopic link A bottoms are articulated with the supporting legs surface.

Preferably in this application, upset auxiliary assembly bottom is equipped with the collection subassembly, and the collection subassembly is including setting up at two mounting panel tops and the flow distribution plate that is the type of falling V that runs through with telescopic link B, still including being located the collecting box of two mounting panel bottoms, and the collecting box both ends run through and set up the mouth of dodging that matches with two mounting panels.

As preferred in this application, return the shape board bottom and be equipped with the spacing subassembly of restriction collecting box position, spacing subassembly is including setting up a set of guide block and a set of piece of reaching the position at shape board bottom both ends back respectively, the guide block is a style of calligraphy, the piece of reaching the position includes a word piece and fixed connection at the limit stop of a word piece opposite face.

The invention has at least the following beneficial effects:

1. the invention is convenient for turning the balsawood when in use, so that the position of the balsawood can be conveniently adjusted according to different cutting conditions, thereby being suitable for the cutting conditions of different surfaces of the balsawood.

2. The clamping plate can conveniently prevent the balsawood from slipping off the clamping plate in the overturning process, thereby facilitating the guarantee of better overturning work of the balsawood.

3. The invention can be convenient for positioning after the turning is finished, thereby ensuring that the balsawood can not rotate in the cutting engineering, ensuring the correct cutting position and preventing the balsawood from being loosened and turned to cause dislocation so as to damage or even break the saw blade.

4. The invention can be convenient for supporting and lifting the balsawood in the overturning process, thereby enabling the two ends of the balsawood to be opposite to the clamping blocks and being more convenient for overturning.

5. The invention can conveniently protect the positions of the equipment frame positioned at the two sides of the balsawood in the process of overturning the balsawood, and prevent the balsawood from rolling down from the top of the equipment frame when the balsawood is lifted and the positions of the balsawood are adjusted.

6. The invention is convenient for collecting saw-cut sawdust in the process of sawing balsawood and prevents the sawdust from directly falling on the ground to increase the cleaning cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a first perspective axial view of a upender mechanism for sawing a balsa americana band saw machine in accordance with the present invention;

FIG. 2 is a second perspective axial view of a upender mechanism for sawing a balsa americana band saw machine in accordance with the present invention;

FIG. 3 is a disassembled view of the movable rack and the equipment rack of FIG. 1;

FIG. 4 is an exploded view of the equipment rack and longitudinal adjustment assembly of FIG. 3;

FIG. 5 is a disassembled view of the clamping flipping assembly and the equipment rack in FIG. 3;

FIG. 6 is a disassembled view of the clamping plate and the shaft of FIG. 5;

FIG. 7 is a side view of FIG. 6;

FIG. 8 is an isolated view of the collection bin of FIG. 5 with the mounting plate;

FIG. 9 is a cut-away view of the return plate of FIG. 8;

fig. 10 is a bottom view of the structure of fig. 9.

In the figure: 1. an equipment rack; 2. an edge dam assembly; 210. a limiting plate; 220. a telescopic rod A; 3. a roll-over assist assembly; 310. mounting a plate; 320. a telescopic rod B; 330. a mounting frame; 340. auxiliary roller rotation; 4. a flow distribution plate; 5. clamping and turning over the component; 510. a clamping plate; 511. a rotating groove; 520. a clamping member; 521. a clamping block; 522. an anti-slip cone; 530. a shaft lever; 540. a positioning ring; 550. a drive shaft; 6. a positioning assembly; 610. a fixed block; 620. adjusting the bolt; 630. a clamping piece; 640. a gear; 7. a collection box; 8. a go-bit block; 9. a guide block; 10. a movable frame; 11. a longitudinal adjustment assembly; 1110. an opening; 1120. adjusting a rod; 1130. a displacement block; 1140. a driving wheel; 12. the band saw cuts the main part.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.

Example one

Referring to fig. 1-10, a stirring mechanism for sawing american balsawood band saw machine, equipment rack 1 includes the shape board that returns, and it is equipped with the multiunit supporting legs to return shape board bottom, the supporting legs will return the shape board and support at operating position, it is equipped with two horizontal poles in the shape board to return, the horizontal pole can improve the intensity of the shape board that returns, and the installation component of being convenient for, equipment rack 1 top slides and is equipped with removal frame 10, removal frame 10 is including sliding two symmetrical concave slide bars that set up at the shape board top that returns, and two concave slide bar top intermediate positions all are equipped with the pole setting, it saw cuts main part 12 to be equipped with the band saw machine through vertical adjusting part 11 between two pole settings, it is equipped with centre gripping and turns over subassembly 5 to return shape board top intermediate position, and the centre gripping turns over subassembly 5 including rotating the drive shaft 550 that runs through the shape board that returns from the tip, drive shaft 550 surface screw thread cover is equipped with two grip blocks 510, two grip blocks 510 are located between two horizontal poles, two grip blocks 510 both sides and two horizontal pole blocks opposite face sliding contact, can prevent that two grip blocks 510 from rotating, and two grip blocks 510 from taking place the rotation, and the fixed connection of holding block 530 through holding block 510.

According to the above, when needs overturn the balsawood, the staff can arrange the balsawood in between two grip blocks 510, and rotate drive shaft 550 through the commentaries on classics that rotation drive shaft 550 one end was equipped with, drive shaft 550 drives two grip blocks 510 relative movement through the screw, and carry out the centre gripping to the balsawood both ends through holder 520, because the one end of a axostylus axostyle 530 in two axostylus axostyles 530 is equipped with the commentaries on classics handle of being convenient for rotate axostylus axostyle 530, make can drive the inside holder 520 of the relative opposite rotation groove 511 in grip block 510 table when rotating axostylus axostyle 530 through changeing handle and rotate, thereby drive the balsawood between two holder 520 and rotate.

The longitudinal adjusting assembly 11 comprises openings 1110 arranged on the opposite surfaces of the two vertical rods, two adjusting rods 1120 penetrating through the tops of the two vertical rods are rotatably arranged inside the two openings 1110, the surfaces of the two adjusting rods 1120 are respectively provided with a displacement block 1130 positioned inside the two openings 1110 through threaded sleeves, the surfaces of the two adjusting rods 1120 positioned on the tops of the vertical rods are provided with driving wheels 114 connected through driving belts, so that one adjusting rod 1120 can be driven to rotate by the other adjusting rod 1120 when rotating, one top of the two adjusting rods 1120 is provided with a rotating disc operated by a worker, when the two adjusting rods 1120 rotate simultaneously, the two displacement blocks 1130 are respectively connected to the two ends of the band sawing main body 12, the adjusting rod 1120 drives the displacement block 1130 to move up and down inside the openings 1110 through threads, and the band sawing main body 12 can move up and down between the two vertical rods.

Example two

Referring to fig. 1-10, a material turning mechanism for sawing american balsawood band saw, according to the first embodiment, a moving frame 10 is slidably disposed on the top of an equipment frame 1, a sawing main body 12 of the band saw is disposed between two vertical rods of the moving frame 10 through a longitudinal adjusting assembly 11, a clamping and turning assembly 5 is disposed at the middle position of the top of a circular plate, wherein a clamping member 520 of the clamping and turning assembly 5 comprises a clamping block 521 rotatably connected with a shaft 530 and located inside a rotating groove 511 for clamping two ends of the balsawood, and a plurality of sets of anti-skid cones 522 for increasing friction between the clamping block 521 and the two ends of the balsawood are fixedly disposed on the surface of the clamping block 521, wherein when the two clamping members 520 clamp the two ends of the balsawood, the anti-skid cones are driven by threads of a driving shaft 550, so that the two clamping blocks 521 approach or separate away from each other, and when approaching, the two clamping blocks 521 clamp the two ends of the balsawood through the anti-skid cones 522 on opposite surfaces, and are subjected to extrusion force, and the anti-skid cones can be stuck in the two ends of the balsawood 522 to prevent unstable clamping of the balsawood by the clamping block 521.

EXAMPLE III

Referring to fig. 1-10, a turning mechanism for sawing a band saw machine for making american balsawood is based on the second embodiment, a moving frame 10 is slidably disposed at the top of an equipment frame 1, a sawing body 12 of the band saw machine is disposed between two vertical rods in the moving frame 10 through a longitudinal adjusting component 11, a clamping and turning component 5 is disposed at the middle position of the top of a circular plate, positioning components 6 are disposed on opposite surfaces of two clamping plates 510 in the clamping and turning component 5, the positioning components 6 include fixing blocks 610 connected to opposite surfaces of the two clamping plates 510, adjusting rods 620 penetrate through surfaces of the fixing blocks 610, the adjusting rods 620 are rotatably connected with the fixing blocks 610, clamping pieces 630 are sleeved on surfaces of the adjusting rods 620 in a threaded manner, so that the clamping pieces 630 are prevented from rotating and can only move, clamping blocks clamped with gears 640 are fixedly disposed on surfaces of the moving blocks, and one ends of the clamping blocks, which are far away from the gears, are matched with tooth grooves on surfaces of the gears 640.

When fixing a position and preventing the balsa wood rotation in the counter shaft pole 530 in the third embodiment, when two grip blocks 521 carried out the centre gripping to the both ends of balsa wood, the staff rotated adjusting rod 620 for adjust rod 620 and pass through the screw and drive the removal of removal piece, the movable block drives fixture block looks gear 640 surface and is close to and the joint, thereby prevents that the shaft pole 530 from rotating, prevents that the balsa wood of centre gripping from taking place to rotate between the grip block 521 of the relative end of shaft pole 530, is convenient for saw cut the balsa wood work.

Example four

Referring to fig. 1-10, a turning mechanism for sawing a band saw machine for american balsawood is based on the third embodiment, a moving frame 10 is slidably disposed on the top of an equipment frame 1, a sawing body 12 of the band saw machine is disposed between two vertical rods in the moving frame 10 through a longitudinal adjusting component 11, a clamping and turning component 5 is disposed at the middle position of the top of a clip board, a turning auxiliary component 3 is disposed at the bottom of the clip board in the equipment frame 1, the turning auxiliary component 3 includes mounting boards 310 which are connected to the bottoms of two cross rods through bolts and are in symmetrical concave shapes, a plurality of telescopic rods B320 are disposed on the tops of the two mounting boards 310, the telescopic rods B320 are in the prior art and are not described herein in detail, a concave mounting rack 330 is disposed on the top of the telescopic rods B320 on the tops of the two mounting boards 310, auxiliary rollers 340 are disposed in the two concave mounting racks 330 through rotating shafts, and a plurality of anti-skid convex cones contacting with the surface of the balsawood are disposed on the surfaces of the auxiliary rollers 340, when supporting the balsawood and assisting the centre gripping and turning over subassembly 5 and carry out the centre gripping, the staff arranges the balsawood in two supplementary roller 340 tops of changeing, then start simultaneously and drive mounting bracket 330 through telescopic link B320 among the prior art and upwards rise, thereby lift the balsawood through two supplementary roller 340 of changeing and rise, make balsawood both ends intermediate position correspond with two grip block 521 opposite faces, it drives two grip block 510 relative movement to be convenient for follow-up drive shaft 550 rotates, thereby be convenient for grip block 521 to the both ends of balsawood centre gripping, in addition when needs rotate and adjust the balsawood, the balsawood is driven and rotates at two supplementary roller 340 tops, make and reduce the decurrent gravity of balsawood, be convenient for better rotate the adjustment balsawood, two supplementary roller 340 also play when sawing and lift the balsawood and be convenient for saw cut.

EXAMPLE five

Referring to fig. 1-10, a stirring mechanism for sawing american balsa band saw, based on the fourth embodiment, the top of an equipment rack 1 is slidably provided with a movable rack 10, a band saw sawing body 12 is arranged between two vertical rods in the movable rack 10 through a longitudinal adjusting component 11, a clamping and turning component 5 is arranged at the middle position of the top of a clip board, an edge blocking component 2 is arranged at the top of the equipment rack 1, the edge blocking component 2 comprises a limiting plate 210 connected to two cross rods through a hinge, the bottoms of the two limiting plates 210 are all hinged to a set of telescopic rods a220, the telescopic rods a220 are in the prior art, no redundancy is provided herein, the bottoms of the two sets of telescopic rods a220 are hinged to the surfaces of supporting legs, when protection is required to be performed on the two sides of balsa through the edge blocking component 2, wherein when the telescopic rods B320 lift the balsa through an auxiliary rotating roller 340 and are clamped by a clamping block 521, a worker turns over the hinge position where the two limiting plates 210 are driven to be away from each other by simultaneously starting the telescopic rods a220, so that the two limiting plates 210 turn over when protection is performed on the top of the balsa device that the device falls off from the top of the two sides of the device, and the device that the device falls off accidentally.

EXAMPLE six

Referring to fig. 1-10, a turning mechanism for sawing a band saw machine for american balsawood, based on the fifth embodiment, a moving frame 10 is slidably arranged on the top of an equipment frame 1, a sawing main body 12 of the band saw machine is arranged between two vertical rods in the moving frame 10 through a longitudinal adjusting component 11, a clamping and turning component 5 is arranged at the middle position of the top of a circular plate, a collecting component is arranged at the bottom of an auxiliary turning component 3 and comprises a shunting plate 4 which is arranged at the top of two mounting plates 310 and penetrates through a telescopic rod B320 and is of an inverted V shape, the shunting plate 4 is convenient for shunting sawdust to fall into a collecting box 7 from two sides when the sawed sawdust falls down, the turning mechanism further comprises collecting boxes 7 positioned at the bottoms of the two mounting plates 310, moving wheels which are convenient to move are arranged at the corners of the bottoms of the collecting boxes 7, the collecting boxes 7 are used for collecting the sawdust to prevent the sawdust from falling onto the ground and increase the cleaning cost, and the two ends of the collecting box 7 are provided with dodging ports matched with the two mounting plates 310 in a penetrating way, the dodging ports are convenient for preventing the collecting box 7 from being blocked to be pushed into the bottom of the clip-shaped plate, in addition, the bottom of the clip-shaped plate is provided with a limiting component for limiting the position of the collecting box 7, the limiting component comprises a group of guide blocks 9 and a group of arrival blocks 8 which are respectively arranged at the two ends of the bottom of the clip-shaped plate, the distance between the two guide blocks 9 and the two arrival blocks 8 is slightly larger than the width of the collecting box 7, the guide blocks 9 are in a straight shape, the two guide blocks 9 are convenient for pushing the collecting box 7 into and rightly locating at the bottom of the mounting plates 310, the arrival blocks 8 comprise a straight block and limiting stops fixedly connected with the opposite surfaces of the straight block, when the bottom of the clip-shaped plate of the collecting box 7 is pushed into and placed, one end of the collecting box 7 is pushed into between the two straight blocks and is contacted with the limiting stops, so that the collecting chamber 7 is located in an optimal collecting position.

The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a stirring mechanism for sawing america balsawood band saw machine, includes equipment rack (1), its characterized in that, equipment rack (1) top slides and is equipped with and removes frame (10), and removes and be equipped with band saw machine saw cutting main part (12) through vertical adjusting part (11) in frame (10), equipment rack (1) top intermediate position is equipped with the centre gripping and turns subassembly (5), and the centre gripping turns subassembly (5) and include from tip rotation drive shaft (550) that run through equipment rack (1), drive shaft (550) surface thread bush is equipped with two grip blocks (510), and two grip block (510) opposite face all is equipped with holder (520) through rotating groove (511), holder (520) opposite face all rotates shaft lever (530) that are equipped with and run through grip block (510), shaft lever (530) are through holding ring (540) and grip block (510) fixed connection.

2. The turning mechanism for sawing a balsa americana band saw machine according to claim 1 characterized in that the equipment rack (1) comprises a clip plate and the bottom of the clip plate is provided with a plurality of groups of supporting feet, and two cross bars are arranged in the clip plate.

3. The turning mechanism for sawing a balsa americana band saw machine according to claim 1 characterized in that the moving frame (10) comprises two symmetrical concave slide bars sliding on the top of the return plate and a vertical bar is set in the middle of the top of the two concave slide bars.

4. The turning mechanism for sawing a band saw machine for tapping american balsawood according to claim 3, characterized in that the longitudinal adjusting assembly (11) comprises openings (1110) opened on opposite sides of the two uprights, and adjusting rods (1120) are rotatably arranged inside the two openings (1110), the surfaces of the two adjusting rods (1120) are respectively sleeved with displacement blocks (1130) positioned inside the two openings (1110) through threads, and the surfaces of the two adjusting rods (1120) positioned at the tops of the uprights are both sleeved with driving wheels (114) connected through driving belts.

5. The upender mechanism for a band saw for sawing balsa americana as claimed in claim 1 wherein, the grip (520) comprises a grip block (521) rotatably connected with a shaft (530) and located inside the rotating groove (511), the grip block (521) surface fixed with multiple sets of anti-slip cones (522).

6. The turning mechanism for sawing the band saw machine for the American balsawood according to claim 5, wherein the opposite surfaces of the two clamping plates (510) are provided with positioning assemblies (6), each positioning assembly (6) comprises a fixing block (610) connected to the opposite surfaces of the two clamping plates (510), an adjusting rod (620) penetrates through the surface of each fixing block (610), a clamping piece (630) is sleeved on the surface of each adjusting rod (620) in a threaded manner, and the turning mechanism further comprises a gear (640) fixedly sleeved on the surface of the shaft rod (530);

the clamping piece (630) comprises a clamping block which is in threaded sleeve connection with the adjusting rod (620) and is clamped with the gear (640) and is fixedly arranged on the surface of the moving block.

7. The turning mechanism for sawing the band saw machine for American balsawood according to claim 6, characterized in that an overturning auxiliary assembly (3) is arranged at the bottom of the equipment rack (1), the overturning auxiliary assembly (3) comprises two symmetrical mounting plates (310) which are connected to the bottoms of the two cross rods through bolts, a plurality of telescopic rods B (320) are arranged at the tops of the two mounting plates (310), two mounting frames (330) are arranged at the tops of the mounting plates (310) through the telescopic rods B (320), two auxiliary rotating rollers (340) are arranged in the mounting frames (330) through rotating shafts, and a plurality of anti-skidding convex cones in surface contact with balsawood are arranged on the surfaces of the auxiliary rotating rollers (340).

8. The material overturning mechanism for sawing the American balsa band saw machine according to claim 7, characterized in that an edge barrier component (2) is arranged at the top of the equipment frame (1), the edge barrier component (2) comprises two limiting plates (210) connected to two cross rods through hinges, the bottoms of the two limiting plates (210) are hinged to a set of telescopic rods A (220), and the bottoms of the two sets of telescopic rods A (220) are hinged to the surfaces of the supporting legs.

9. The turning mechanism for sawing the band saw machine for the American balsawood according to the claim 1, wherein a collecting component is arranged at the bottom of the turning auxiliary component (3), the collecting component comprises a flow distribution plate (4) which is arranged at the top of the two mounting plates (310) and penetrates through the telescopic rod B (320) and is in an inverted V shape, the turning mechanism further comprises a collecting box (7) which is arranged at the bottom of the two mounting plates (310), and two ends of the collecting box (7) are penetrated through to form avoiding openings matched with the two mounting plates (310).

10. The turning mechanism for sawing the band saw machine for the American balsawood according to the claim 9, wherein the bottom of the clip plate is provided with a limiting component for limiting the position of the collecting box (7), the limiting component comprises a group of guide blocks (9) and a group of arrival blocks (8) which are respectively arranged at two ends of the bottom of the clip plate, the guide blocks (9) are in a straight shape, and the arrival blocks (8) comprise a straight block and limiting stop blocks fixedly connected to opposite surfaces of the straight block.