CN110773800A

CN110773800A - Band sawing machine for processing sheet material

Info

Publication number: CN110773800A
Application number: CN201911067514.8A
Authority: CN
Inventors: 陈启木; 潘林茂
Original assignee: Shenzhen Xiongxing Industry Co Ltd
Current assignee: Shenzhen Xiongxing Industry Co Ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-02-11

Abstract

The invention discloses a band sawing machine for processing plates, which belongs to the technical field of plate processing and comprises a frame in a shape of a Chinese character 'men', wherein a saw belt for cutting the plates is arranged on the frame, a abdicating groove for the saw belt to pass through is formed in the frame, a workbench which is vertical to the frame is fixedly arranged in the frame and used for placing the plates, a positioning mechanism for positioning the plates is arranged on the frame, and a filtering mechanism for separating cooling liquid and debris is arranged at the bottom of the frame; the filtering mechanism comprises a material receiving groove fixedly arranged on one side of the rack, a filtering assembly is fixedly arranged in the material receiving groove, a material discharging groove for guiding cooling liquid and debris into the filtering assembly is fixedly arranged on the rack, and the material discharging groove is communicated with the abdicating groove.

Description

Band sawing machine for processing sheet material

Technical Field

The invention relates to the technical field of plate processing, in particular to a band sawing machine for processing plates.

Background

The traditional upright post horizontal metal band sawing machine comprises a machine base, an upright post, a saw frame, a workbench, a saw frame lifting device, a workpiece clamping device, a guide device, a main transmission system, a hydraulic system, an electrical system and the like. The workbench and the upright post are fixedly arranged on the base; the saw frame is movably connected to the two upright posts, vertically and three-dimensionally intersected with the workbench, driven to lift by a saw frame lifting device and positioned by a grating ruler, and the saw frame lifting device usually adopts a lifting oil cylinder; the workpiece clamping device comprises a fixed clamp and a movable clamp which are both arranged on the base; the main transmission system comprises a main motor, a driving wheel and a driven wheel, and is arranged on the saw frame to drive the saw belt to operate and saw; the guide device consists of a guide arm and a guide head, the guide arm is installed on the saw frame, the saw band penetrates through the guide head, and the cutting direction of the guide saw band is vertical. When the machine tool works, workpiece materials are fixed on the workbench through the workpiece clamping device, and the saw belt is fed and cut along with the saw frame in the vertical direction.

According to the area in the cutting process, because the saw area produces the friction when cutting panel and between the panel, the heat production is produced in the friction, in order to lower the temperature to the saw area, need spout the life of coolant liquid in order to prolong the saw area on the saw area, simultaneously, the saw area can produce a large amount of pieces at the in-process of cutting, piece and coolant liquid mix difficult separation together, make coolant liquid reuse no longer to lead to the waste of coolant liquid.

Disclosure of Invention

The invention aims to provide a band sawing machine for processing plates, wherein a filtering mechanism is arranged on one side of a machine frame, and can separate cooling liquid from scraps, so that the cooling liquid is conveniently recycled, and the waste of the cooling liquid is reduced.

The technical purpose of the invention is realized by the following technical scheme:

a band sawing machine for processing plates comprises a frame in a shape of a Chinese character 'men', wherein a saw band for cutting plates is arranged on the frame, a abdicating groove for the saw band to pass through is formed in the frame, a workbench which is vertical to the frame is fixedly arranged in the frame and used for placing plates, a positioning mechanism for positioning the plates is arranged on the frame, and a filtering mechanism for separating cooling liquid and fragments is arranged at the bottom of the frame; the filtering mechanism connects the inslot to set firmly including setting firmly in the silo that connects of frame one side, connects the silo internal stability to have set firmly filtering component, has set firmly in the frame to lead to the feed chute in filtering component with coolant liquid and piece, feed chute and the groove intercommunication of stepping down.

Through adopting above-mentioned scheme, place panel on the workstation, positioning mechanism fixes panel, and the saw area is cut panel, and piece and the coolant liquid homoenergetic that the cutting produced drop to the feed chute in, finally through feed chute water conservancy diversion to filter assembly in, filter assembly separates piece and coolant liquid, is convenient for reuse the coolant liquid, reduces the waste of coolant liquid.

The invention is further configured to: the filter assembly comprises a base fixedly arranged in a material receiving groove, a plurality of buffer springs are fixedly arranged at the top of the base, a positioning frame is fixedly arranged at the top of each buffer spring, a vibrating motor is fixedly arranged at the bottom of each positioning frame, the positioning frames are sequentially detachably connected with a first screen cylinder, a second screen cylinder and a third screen cylinder from top to bottom, and the apertures of the first screen cylinder, the second screen cylinder and the third screen cylinder are sequentially reduced.

Through adopting above-mentioned scheme, let in a first sieve section of thick bamboo with the mixed solution of piece and coolant liquid in, vibrating motor vibrates, makes a first sieve section of thick bamboo piece and coolant liquid stratum filter, makes the coolant liquid finally filter to connecing in the silo, and the piece remains in a first sieve section of thick bamboo, a second sieve section of thick bamboo and a third sieve section of thick bamboo, can be with piece and coolant liquid separation.

The invention is further configured to: the locating rack comprises a supporting plate fixedly arranged at the top of the buffer spring, three vertically arranged locating rods are fixedly arranged at the top of the supporting plate, the three locating rods are circumferentially arranged along the edge of the supporting plate, a semicircular shape is formed by the three locating rods in a surrounding mode, the side wall of the first sieve cylinder is abutted to the three locating rods, and bolts for fixing the first sieve cylinder, the second sieve cylinder and the third sieve cylinder are connected to the locating rods in a threaded mode.

Through adopting above-mentioned scheme, when clearing up the piece in first sieve section of thick bamboo, second sieve section of thick bamboo and the third sieve section of thick bamboo, unscrew the bolt earlier, can follow the locating lever with first sieve section of thick bamboo, second sieve section of thick bamboo and third sieve section of thick bamboo in proper order and take off, can clear up the piece in first sieve section of thick bamboo, second sieve section of thick bamboo and the third sieve section of thick bamboo.

The invention is further configured to: the adjustable just mode of regulation is the same in the aperture of first sieve section of thick bamboo, second sieve section of thick bamboo and third sieve section of thick bamboo, all rotates in first sieve section of thick bamboo, second sieve section of thick bamboo and the third sieve section of thick bamboo and is connected with the filter screen, the hole one-to-one of filter screen and first sieve section of thick bamboo, threaded connection has the bolt fixed with filter screen and first sieve section of thick bamboo on the filter screen.

Through adopting above-mentioned scheme, adjust the aperture of a first sieve section of thick bamboo, rotate the filter screen, when the aperture of filter screen and a first sieve section of thick bamboo one-to-one correspond, the aperture of a first sieve section of thick bamboo is the biggest, when the aperture position of a first sieve section of thick bamboo and aperture and filter screen is incomplete coincidence, the filterable aperture of a first sieve section of thick bamboo reduces promptly, and is more thorough to coolant liquid and piece separation.

The invention is further configured to: connect the one end in the silo to set firmly the overflow net, overflow net and connect and form the precipitation tank between the silo, connect the silo to set firmly a passage that extends to in the precipitation tank on, set firmly the water pump on the passage, the passage is kept away from the one end that connects the silo and is extended to the frame and be located the top of stepping down the groove.

By adopting the scheme, the filtered cooling liquid enters the precipitation tank, the water pump works to guide the cooling liquid in the precipitation tank to the saw belt to cool the saw belt.

The invention is further configured to: the positioning mechanism comprises a fixing assembly arranged on the rack and used for fixing two sides of the plate and a limiting assembly arranged on the workbench and used for fixing the top of the plate; the fixing assembly comprises two fixing plates fixedly arranged on the rack and positioned on one side of the workbench, the two fixing plates are respectively positioned on two sides of the abdicating groove, the fixing assembly also comprises two sliding plates connected to the rack and positioned on the other side of the workbench in a sliding manner, and driving pieces used for driving the sliding plates to slide in a reciprocating manner relative to the fixing plates are arranged on the sliding plates; the frame corresponds the top of slide plate and has seted up the groove of sliding, and the bottom of slide plate has set firmly to slide and has connected in the slider of the inslot that slides, and the driving piece is the screw rod of screw thread rotation connection in the frame, and the bottom threaded connection of slider is on the screw rod.

Through adopting above-mentioned scheme, place panel on the workstation, make one side and the fixed plate butt of panel, through driving piece drive slide plate motion to butt in the opposite side of panel, can carry out horizontal fixed to panel, rotate the screw rod, can promote the slider at the inslot cunning that slides, can promote the relative fixed plate motion of slide plate, with the panel centre gripping between fixed plate and slide plate.

The invention is further configured to: spacing subassembly is including sliding connection in the corner cylinder of workstation one side, the tailpiece of the piston rod portion of corner cylinder has set firmly the locating plate, threaded connection has the screw thread post on the locating plate, the bottom of screw thread post is rotated and is connected with the clamp plate, the top of clamp plate has set firmly two vertical guide posts of sliding connection on the locating plate, the type of falling T spout has been seted up on the workstation, the bottom of corner cylinder has set firmly the type of falling T piece of sliding connection in the type of falling T spout, threaded connection has the bolt of type of falling T piece and workstation fixed on the type of falling T piece.

Through adopting above-mentioned scheme, panel is placed on the workstation, and the corner cylinder rotates ninety degrees, and the piston rod extension of corner cylinder makes the clamp plate butt in the top of panel, can carry out vertical fixed to panel, adjusts the height of clamp plate to the workstation, can fix the panel of different thickness, promotes the type of falling T piece and slides in the type of falling T spout, makes the clamp plate of corner cylinder can process the panel of different widths.

The invention is further configured to: a cleaning component for cleaning the saw belt is arranged on one side, away from the sliding plate, of the workbench; the cleaning assembly comprises fixed blocks fixedly arranged on the two sides of the abdicating groove on the rack, sponges are fixedly arranged on one opposite sides of the fixed blocks, and a gap for the saw belt to pass through is reserved between the two sponges.

Through adopting above-mentioned scheme, when the saw area passes between two sponges, the sponge can keep off adsorbed piece down on the saw area to reach the effect of clearing up the saw area.

The invention is further configured to: a measuring mechanism is arranged on one side of the machine frame, which is positioned on the workbench; the measuring mechanism comprises a fixed box fixedly arranged on the frame and positioned on one side of the workbench, a box door is hinged to the fixed box, and a tape measure is contained in the fixed box.

Through adopting above-mentioned scheme, place panel on the workstation, before cutting panel, need measure panel to can cut out the length of needs, the flexible rule can be convenient for measure the length of panel, accomodate the flexible rule in the fixed box after having measured, prevent that coolant liquid and piece from making dirty the flexible rule.

In conclusion, the invention has the following beneficial effects:

1. the filter mechanism comprises a material receiving groove fixedly arranged on one side of the rack, a filter assembly is fixedly arranged in the material receiving groove, a material discharging groove for guiding cooling liquid and fragments into the filter assembly is fixedly arranged on the rack, the material discharging groove is communicated with the abdicating groove, the saw belt cuts the plate, the fragments generated by cutting and the cooling liquid can fall into the material discharging groove and are finally guided into the filter assembly through the material discharging groove, the filter assembly separates the fragments and the cooling liquid, the cooling liquid is convenient to reuse, and the waste of the cooling liquid is reduced;

2. the filter screens are rotatably connected in the first screen cylinder, the second screen cylinder and the third screen cylinder, the hole diameters of the filter screens correspond to the hole diameters of the first screen cylinder one by one, the filter screens are in threaded connection with bolts for fixing the filter screens and the first screen cylinder, the hole diameters of the first screen cylinder are adjusted, the filter screens are rotated, when the hole diameters of the filter screens correspond to the hole diameters of the first screen cylinder one by one, the hole diameters of the first screen cylinder are maximum, and when the hole diameters of the first screen cylinder and the hole diameters of the filter screens are not completely overlapped, namely the hole diameters filtered by the first screen cylinder are reduced, so that the cooling liquid and the fragments are more thoroughly separated;

3. through being located the fixed plate at the workstation and keeping away from one side of sliding plate and having set firmly the fixed block, the sponge has all been set firmly to the one side that the fixed block is relative, leaves the clearance that supplies the saw to take to pass between two sponges, and when the saw was taken from passing between two sponges, the sponge can keep off absorbent piece down on the saw to reach the effect of clearing up the saw area.

Drawings

FIG. 1 is an isometric view of an embodiment;

FIG. 2 is a schematic diagram of a positioning architecture for highlighting;

FIG. 3 is a cross-sectional view of the highlighting positioning structure;

FIG. 4 is a schematic view of the structure for highlighting the measuring mechanism;

FIG. 5 is a sectional view of the embodiment;

FIG. 6 is a cross-sectional view of the filter assembly;

fig. 7 is a schematic structural view of the material receiving groove.

In the figure, 1, a frame; 11. a saw band; 12. a yielding groove; 13. a work table; 131. an inverted T-shaped chute; 14. a sliding groove; 15. a cleaning assembly; 151. a fixed block; 152. a sponge; 16. a discharging groove; 2. a positioning mechanism; 21. a fixing assembly; 211. a fixing plate; 212. a slide plate; 2121. a slider; 213. a drive member; 2131. a screw; 22. a limiting component; 221. a corner cylinder; 2211. a reverse T-shaped block; 222. positioning a plate; 223. a threaded post; 224. pressing a plate; 225. a guide post; 3. a filtering mechanism; 31. a material receiving groove; 311. an overflow network; 312. a settling tank; 313. a material guide pipe; 314. a water pump; 32. a filter assembly; 321. a base; 322. a buffer spring; 323. a positioning frame; 3231. a support plate; 3232. positioning a rod; 324. a vibration motor; 325. a first screen cylinder; 3251. filtering with a screen; 326. a second screen cylinder; 327. a third screen cylinder; 4. a measuring mechanism; 41. a fixed box; 42. a box door; 43. and (6) a flexible rule.

Detailed Description

The utility model provides a band saw (ing) machine for processing panel, see figure 1, frame 1 including the door font is provided with the saw area 11 that is used for cutting panel on the frame 1, set up the groove of stepping down 12 that supplies saw area 11 to pass on the frame 1, frame 1 internal stability is equipped with the workstation 13 with frame 1 perpendicular setting, workstation 13 is used for placing panel, is provided with the positioning mechanism 2 that advances line location to panel on the frame 1, and the bottom of frame 1 is provided with carries out the filter mechanism 3 that separates to coolant liquid and piece. Place panel on workstation 13, positioning mechanism 2 fixes panel, and saw area 11 cuts panel, and the piece and the coolant liquid that the cutting produced enter into filter mechanism 3 in, and filter mechanism 3 is convenient for carry out reuse to the coolant liquid with the piece separation.

Referring to fig. 2 and 3, the positioning mechanism 2 includes a fixing assembly 21 disposed on the frame 1 for fixing both sides of the plate, and a limiting assembly 22 disposed on the worktable 13 for fixing the top of the plate. The fixing component 21 comprises two fixing plates 211 fixedly arranged on the frame 1 and located on one side of the workbench 13, the two fixing plates 211 are respectively located on two sides of the abdicating groove 12, the fixing component further comprises two sliding plates 212 connected to the frame 1 and located on the other side of the workbench 13 in a sliding manner, and a driving piece 213 used for driving the sliding plates 212 to slide back and forth relative to the fixing plates 211 is arranged on the sliding plates 212; the plate is placed on the worktable 13, one side of the plate is abutted against the fixed plate 211, and the driving member 213 drives the sliding plate 212 to move until the sliding plate abuts against the other side of the plate, so that the plate can be transversely fixed. The top of the frame 1 corresponding to the sliding plate 212 is provided with a sliding groove 14, the bottom of the sliding plate 212 is fixedly provided with a sliding block 2121 connected in the sliding groove 14 in a sliding manner, the driving element 213 is a screw 214 connected to the frame 1 in a threaded manner, and the bottom of the sliding block 2121 is connected to the screw 214 in a threaded manner; the screw 214 is rotated to push the slider 2121 to slide in the sliding groove 14, i.e. to push the sliding plate 212 to move relative to the fixed plate 211, so as to clamp the plate between the fixed plate 211 and the sliding plate 212.

Referring to fig. 2 and 3, the limiting assembly 22 includes a corner cylinder 221 slidably connected to one side of the worktable 13, a positioning plate 222 is fixedly arranged at the end of a piston rod of the corner cylinder 221, a threaded column 223 is connected to the positioning plate 222 in a threaded manner, a pressing plate 224 is rotatably connected to the bottom of the threaded column 223, and two guide columns 225 vertically slidably connected to the positioning plate 222 are fixedly arranged at the top of the pressing plate 224; the plate is placed on the workbench 13, the corner cylinder 221 rotates ninety degrees, and a piston rod of the corner cylinder 221 extends, so that the pressing plate 224 abuts against the top of the plate, and the plate can be vertically fixed; the height of the pressing plate 224 to the workbench 13 is adjusted, so that the plates with different thicknesses can be fixed. An inverted T-shaped chute 131 is formed in the workbench 13, an inverted T-shaped block 2211 connected in the inverted T-shaped chute 131 in a sliding mode is fixedly arranged at the bottom of the corner cylinder 221, and a bolt for fixing the inverted T-shaped block 2211 and the workbench 13 is connected to the inverted T-shaped block 2211 in a threaded mode; the inverted-T block 2211 is pushed to slide in the inverted-T chute 131, so that the pressing plate 224 of the corner cylinder 221 can process plates with different widths.

Referring to fig. 2, the side of the fixed plate 211 away from the sliding plate 212 of the working table 13 is provided with a cleaning assembly 15 for cleaning the saw band 11. The cleaning component 15 comprises fixed blocks 151 fixedly arranged on the frame 1 and positioned on two sides of the abdicating groove 12, sponges 152 are fixedly arranged on one sides of the fixed blocks 151 opposite to each other, and a gap for the saw belt 11 to pass through is reserved between the two sponges 152; when the saw band 11 passes through between the two sponges 152, the sponges 152 can block the chips adsorbed on the saw band 11, so that the effect of cleaning the saw band 11 is achieved.

Referring to fig. 2 and 4, the side of the frame 1 on the table 13 is provided with a measuring mechanism 4. The measuring mechanism 4 comprises a fixed box 41 fixedly arranged on the frame 1 and positioned on one side of the workbench 13, a box door 42 is hinged on the fixed box 41, and a measuring tape is accommodated in the fixed box 41; place panel on workstation 13, before cutting panel, need measure panel to can cut out required length, flexible rule 43 can be convenient for measure the length of panel, accomodate flexible rule 43 in fixed box 41 after having measured, prevent that coolant liquid and piece from making dirty with flexible rule 43.

Referring to fig. 5 and 6, the filter mechanism 3 includes that the silo 31 that connects that sets firmly in frame 1 one side connects the silo 31 internal stability to be equipped with filter assembly 32, sets firmly the lower silo 16 of leading-in filter assembly 32 with coolant liquid and piece on the frame 1, and lower silo 16 and yielding groove 12 intercommunication make coolant liquid and piece homoenergetic drop to in the silo 16, finally through in the silo 16 water conservancy diversion of unloading to filter assembly 32, filter assembly 32 separates piece and coolant liquid. The filtering assembly 32 includes a base 321 fixedly disposed in the material receiving tank 31, a plurality of buffer springs 322 are fixedly disposed on the top of the base 321, a positioning frame 323 is fixedly disposed on the top of the buffer springs 322, a vibration motor 324 is fixedly disposed on the bottom of the positioning frame 323, the positioning frame 323 is detachably connected to a first sieve cylinder 325, a second sieve cylinder 326 and a third sieve cylinder 327 from top to bottom in sequence, where only three layers are taken as an example but not limited to three layers, and the aperture of the first sieve cylinder 325, the second sieve cylinder 326 and the third sieve cylinder 327 decreases in sequence; the mixed solution of the chips and the cooling liquid is introduced into the first screen drum 325, the vibration motor 324 vibrates to filter the layers of the chips and the cooling liquid in the first screen drum 325, the cooling liquid is finally filtered into the material receiving tank 31, and the chips remain in the first screen drum 325, the second screen drum 326 and the third screen drum 327, so that the chips and the cooling liquid can be separated.

Referring to fig. 5 and 6, the positioning frame 323 includes a support plate 3231 fixed on the top of the buffer spring 322, three positioning rods 3232 vertically arranged are fixed on the top of the support plate 3231, the three positioning rods 3232 are circumferentially arranged along the edge of the support plate 3231, a semicircle is defined between the three positioning rods 3232, the side wall of the first sieve cylinder 325 abuts against the three positioning rods 3232, and bolts for fixing the first sieve cylinder 325, the second sieve cylinder 326 and the third sieve cylinder 327 are connected to the positioning rods 3232 through threads; when the chips in the first screen cylinder 325, the second screen cylinder 326 and the third screen cylinder 327 are cleaned, the bolts are firstly unscrewed, so that the first screen cylinder 325, the second screen cylinder 326 and the third screen cylinder 327 can be sequentially taken off from the positioning rod 3232, and the chips in the first screen cylinder 325, the second screen cylinder 326 and the third screen cylinder 327 can be cleaned. The aperture of the first sieve cylinder 325, the aperture of the second sieve cylinder 326 and the aperture of the third sieve cylinder 327 are adjustable and are adjusted in the same manner, here, only the first sieve cylinder 325 is taken as an example, a filter screen 3251 is rotationally connected in the first sieve cylinder 325, the aperture of the filter screen 3251 corresponds to the aperture of the first sieve cylinder 325 one to one, and a bolt for fixing the filter screen 3251 and the first sieve cylinder 325 is connected to the filter screen 3251 in a threaded manner; by adjusting the aperture of the first screen cylinder 325 and rotating the screen 3251, the aperture of the first screen cylinder 325 is the largest when the aperture of the screen 3251 corresponds to the aperture of the first screen cylinder 325, and when the positions of the first screen cylinder 325 and the aperture of the screen 3251 do not completely coincide, that is, the aperture filtered by the first screen cylinder 325 is reduced, the separation of the cooling liquid and the debris is more complete.

Referring to fig. 7, an overflow net 311 is fixedly arranged at one end in the material receiving groove 31, a precipitation groove 312 is formed between the overflow net 311 and the material receiving groove 31, a material guide pipe 313 extending into the precipitation groove 312 is fixedly arranged on the material receiving groove 31, a water pump 314 is fixedly arranged on the material guide pipe 313, and one end of the material guide pipe 313, which is far away from the material receiving groove 31, extends to the position above the abdicating groove 12 of the rack 1; the filtered cooling liquid enters the precipitation tank 312, the water pump 314 works, and the cooling liquid in the precipitation tank 312 is guided to the saw band 11 to cool the saw band 11.

The use principle is as follows: when the plate is processed, the plate is placed on the workbench 13, one side of the plate is abutted against the fixed plate 211, then the screw 214 is rotated, the sliding plate 212 at the end part of the screw 214 is abutted against the other side of the plate, the corner cylinder 221 is rotated ninety degrees until the pressing plate 224 is abutted against the top of the plate, and then the plate can be fixed on the top of the workbench 13; then, the saw belt 11 cuts the plate material, and at the same time, sprays the cooling liquid onto the saw belt 11, the cooling liquid and the chips generated by the cutting flow into the first screen cylinder 325, and the vibration motor 324 vibrates to make the first screen cylinder 325, the second screen cylinder 326 and the third screen cylinder 327 filter the cooling liquid and the chips layer by layer.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a band sawing machine for processing panel, frame (1) including the door font, be provided with saw area (11) that are used for cutting panel on frame (1), set up the groove of stepping down (12) that supply saw area (11) to pass on frame (1), frame (1) internal stability is equipped with workstation (13) with frame (1) perpendicular setting, workstation (13) are used for placing panel, are provided with positioning mechanism (2) that advance line location to panel on frame (1), its characterized in that:

the bottom of the rack (1) is provided with a filtering mechanism (3) for separating cooling liquid and debris;

filtering mechanism (3) including setting firmly connect silo (31) in frame (1) one side, connect silo (31) internal stability to be equipped with filter assembly (32), set firmly lower silo (16) with coolant liquid and piece leading-in to filter assembly (32) on frame (1), lower silo (16) and groove of stepping down (12) intercommunication.

2. The band sawing machine for processing boards according to claim 1, wherein: filter component (32) including setting firmly base (321) in connecing silo (31), base (321) top set firmly a plurality of buffer spring (322), the top of buffer spring (322) has set firmly locating rack (323) jointly, the bottom of locating rack (323) has set firmly vibrating motor (324), locating rack (323) from top to bottom can dismantle in proper order and be connected with first sieve section of thick bamboo (325), second sieve section of thick bamboo (326) and third sieve section of thick bamboo (327), the aperture of first sieve section of thick bamboo (325), second sieve section of thick bamboo (326) and third sieve section of thick bamboo (327) reduces in proper order.

3. The band sawing machine for processing boards according to claim 2, wherein: the positioning frame (323) comprises a supporting plate (3231) fixedly arranged at the top of the buffer spring (322), three vertically arranged positioning rods (3232) are fixedly arranged at the top of the supporting plate (3231), the three positioning rods (3232) are circumferentially arranged along the edge of the supporting plate (3231), a semicircular shape is formed by the three positioning rods (3232), the side wall of the first sieve cylinder (325) is abutted against the three positioning rods (3232), and bolts for fixing the first sieve cylinder (325), the second sieve cylinder (326) and the third sieve cylinder (327) are connected to the positioning rods (3232) in a threaded manner.

4. The band sawing machine for processing boards according to claim 2, wherein: the aperture of first sieve section of thick bamboo (325), second sieve section of thick bamboo (326) and third sieve section of thick bamboo (327) is adjustable and the regulation mode is the same, all rotates in first sieve section of thick bamboo (325), second sieve section of thick bamboo (326) and third sieve section of thick bamboo (327) and is connected with filter screen (3251), the hole one-to-one of filter screen (3251) warp and first sieve section of thick bamboo (325), threaded connection has the bolt fixed with filter screen (3251) and first sieve section of thick bamboo (325) on filter screen (3251).

5. The band sawing machine for processing boards according to claim 1, wherein: one end in the material receiving groove (31) is fixedly provided with an overflow net (311), a precipitation groove (312) is formed between the overflow net (311) and the material receiving groove (31), the material receiving groove (31) is fixedly provided with a material guide pipe (313) extending into the precipitation groove (312), the material guide pipe (313) is fixedly provided with a water pump (314), and one end, far away from the material receiving groove (31), of the material guide pipe (313) extends to the position above the yielding groove (12) of the rack (1).

6. The band sawing machine for processing boards according to claim 1, wherein:

the positioning mechanism (2) comprises a fixing component (21) which is arranged on the rack (1) and used for fixing two sides of the plate and a limiting component (22) which is arranged on the workbench (13) and used for fixing the top of the plate;

the fixing assembly (21) comprises two fixing plates (211) fixedly arranged on the rack (1) and located on one side of the workbench (13), the two fixing plates (211) are respectively located on two sides of the abdicating groove (12), the fixing assembly further comprises two sliding plates (212) connected to the rack (1) and located on the other side of the workbench (13) in a sliding mode, and driving pieces (213) used for driving the sliding plates (212) to slide in a reciprocating mode relative to the fixing plates (211) are arranged on the sliding plates (212);

the rack (1) is provided with a sliding groove (14) corresponding to the top of the sliding plate (212), the bottom of the sliding plate (212) is fixedly provided with a sliding block (2121) connected in the sliding groove (14) in a sliding manner, the driving part (213) is a screw rod (214) connected to the rack (1) in a threaded manner, and the bottom of the sliding block (2121) is connected to the screw rod (214) in a threaded manner.

7. The band sawing machine for processing boards according to claim 6, wherein: spacing subassembly (22) including sliding connection in corner cylinder (221) of workstation (13) one side, the tailpiece of the piston rod portion of corner cylinder (221) has set firmly locating plate (222), threaded connection has screw thread post (223) on locating plate (222), the bottom of screw thread post (223) is rotated and is connected with clamp plate (224), the top of clamp plate (224) has set firmly guide post (225) that two vertical slides and connect on locating plate (222), inverted T type spout (131) have been seted up on workstation (13), the bottom of corner cylinder (221) has set firmly to slide and connects inverted T type piece (2211) in inverted T type spout (131), threaded connection has the bolt of fixing inverted T type piece (2211) and workstation (13) on inverted T type piece (2211).

8. The band sawing machine for processing boards according to claim 1, wherein:

a cleaning assembly (15) for cleaning the saw belt (11) is arranged on one side, away from the sliding plate (212), of the workbench (13) on the fixing plate (211);

clean subassembly (15) are located fixed block (151) of groove (12) both sides of stepping down including setting firmly in frame (1), and one side that fixed block (151) are relative all sets firmly sponge (152), leaves the clearance that supplies saw area (11) to pass between two sponge (152).

9. The band sawing machine for processing boards according to claim 1, wherein: a measuring mechanism (4) is arranged on one side of the rack (1) on the workbench (13); the measuring mechanism (4) comprises a fixed box (41) fixedly arranged on the rack (1) and positioned on one side of the workbench (13), a box door (42) is hinged to the fixed box (41), and a measuring tape is accommodated in the fixed box (41).