CN212601269U

CN212601269U - Wood board sander with dust suction device

Info

Publication number: CN212601269U
Application number: CN202021409783.6U
Authority: CN
Inventors: 王吴怡
Original assignee: Wuxi Lingwei Furniture Manufacturing Co ltd
Current assignee: Wuxi Lingwei Furniture Manufacturing Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-02-26
Anticipated expiration: 2030-07-16

Abstract

The application relates to a board sander with a dust suction device, which comprises a machine shell and a machine frame, wherein a feed inlet and a discharge outlet are formed in the machine shell, the machine frame horizontally penetrates through the feed inlet and the discharge outlet, a sanding roller and a driving roller are arranged in the machine shell, abrasive belts are sleeved on the sanding roller and the driving roller, a roller shaft of the sanding roller is connected with a driving motor, a plurality of conveying rollers are arranged on the machine frame, a conveying belt is sleeved on the conveying rollers, the roller shaft of one of them conveying roller is connected with conveying motor, is equipped with dust extraction on the casing, and dust extraction is including connecting the dust absorption pipe on a vertical lateral wall of casing, keeping away from the air exhauster that casing one end is connected with the dust absorption pipe, the collecting box of being connected with the air outlet of air exhauster, and the dust absorption pipe is close to the one end of casing and passes the vertical lateral wall of casing and stretch into in the casing, and the open-ended axis of the one end that the dust absorption pipe is located the casing is located between conveyer belt and the abrasive band. This application has the effect that the sand light precision is high to the plank.

Description

Wood board sander with dust suction device

Technical Field

The application relates to the field of sanding machines, in particular to a wood board sanding machine with a dust suction device.

Background

When wooden furniture is manufactured, a sanding machine is needed to be used for sanding and sanding the wood board, the surface strength of the wood board after sanding is high, meanwhile, the smoothness is good, and the wood board sanding machine is suitable for further processing the wood board in subsequent production.

Chinese patent No. CN205074894U discloses a wood board sanding machine, which comprises a machine shell, a sanding axis, a transmission shaft, a sanding belt, a sanding motor, a frame, a driving shaft, a driven shaft, a conveyer belt, a driving motor, a housing, an exhaust pipe and an exhaust fan, wherein the machine shell is internally and horizontally provided with a sanding axis through a bearing, the machine shell is internally and horizontally provided with a transmission shaft through a bearing, the sanding belt is sleeved on the sanding axis and the transmission shaft, the left side surface of the machine shell is fixedly provided with a sanding motor, an output shaft of the sanding motor is fixedly connected with the left end of the sanding axis, the machine shell is horizontally welded with a frame, the frame traverses the interior of the machine shell, the front end of the frame is horizontally provided with a driving shaft through a bearing, the rear end of the frame is horizontally provided with a driven shaft through a bearing, the conveyer belt is sleeved on the driving shaft and the driven shaft, the conveyer belt traverses the, the output shaft of the driving motor is fixedly connected with the left end of the driving shaft, a housing is welded on the rear side face of the housing, the housing is arranged right above the rear end of the conveying belt, an exhaust pipe is fixedly arranged at the upper end of the housing, an exhaust fan is arranged on one side of the housing, and the other end of the exhaust pipe is fixedly connected with an air inlet of the exhaust fan.

During the use, the staff places the plank on the conveyer belt, driving motor drives the drive shaft and rotates, the drive shaft drives the conveyer belt and rotates, the conveyer belt then drives inside the plank enters into the casing, the sand light motor passes through the output shaft and drives sand optical axis and rotate, sand light shaft drives the abrasive band and rotates, the plank is polished by the abrasive band when locating through the abrasive band, sand light, plank after the sand light is further carried the casing backward, start the air exhauster, the air exhauster carries out convulsions through the exhaust column, the in-process of plank being carried backward like this, saw-dust on the conveyer belt and the saw-dust on plank surface can be inhaled into in the casing, the saw-dust is further taken away by the air exhauster through the exhaust column, thereby the effectual higher defect of saw-dust concentration around having avoided the casing, not only safe and reliable like this, and.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: because the housing sets up in the casing outside, consequently only when the plank shifts out the back from the casing, the saw-dust on the plank just can be absorbed by the air exhauster, so the plank is polished the in-process of sand light in the casing, there can be a large amount of saw-dusts to pile up the upper surface at the plank, and can have partial saw-dust card between abrasive band and plank, when the abrasive band rotates, the saw-dust between abrasive band and the plank can be followed the abrasive band and removed, thereby make the saw-dust take place the friction with the upper surface of plank, the saw-dust leaves the mar easily at the upper surface of plank, the smooth degree on plank surface has been reduced promptly, therefore the sand light precision of above-mentioned plank grinder to the plank is.

SUMMERY OF THE UTILITY MODEL

In order to improve the sanding precision of plank grinder to the plank, this application provides a plank grinder with dust extraction.

The application provides a plank grinder with dust extraction adopts following technical scheme:

a wood board sander with a dust suction device comprises a machine shell and a machine frame, wherein a feeding hole and a discharging hole are formed in the machine shell, the frame horizontally penetrates through the feed inlet and the discharge outlet, a sanding roller and a driving roller are arranged in the machine shell, the sanding roller and the driving roller are sleeved with abrasive belts, the roller shaft of the sanding roller is connected with a driving motor, the frame is provided with a plurality of conveying rollers, a conveying belt is sleeved on the plurality of conveying rollers, the roll shaft of one of the conveying rolls is connected with a conveying motor, the shell is provided with a dust collection device, the dust suction device comprises a dust suction pipe connected to one vertical side wall of the machine shell, an exhaust fan connected with one end of the dust suction pipe far away from the machine shell, and a collecting box connected with an air outlet of the exhaust fan, one end of the dust collection pipe close to the machine shell penetrates through the vertical side wall of the machine shell and extends into the machine shell, and the central axis of an opening at one end of the dust collection pipe in the machine shell is located between the conveying belt and the abrasive belt.

By adopting the technical scheme, when the wood sanding machine is used, a worker places a wood plate to be sanded on the conveying belt, the driving motor, the conveying motor and the exhaust fan are started, the conveying belt can convey the wood plate into the shell, the wood plate can be contacted with the abrasive belt when moving in the shell, the abrasive belt can polish and sand the wood plate, wood dust generated in the polishing process can be sucked into the dust suction pipe by the exhaust fan, and the wood dust can be finally moved into the collection box to be stored; owing to set up dust extraction, dust extraction can in time absorb the saw-dust that sand light in-process produced, has reduced the saw-dust quantity of card between plank and abrasive band, can reduce the saw-dust to the fish tail on plank surface to play the effect that improves plank grinder's sand light precision.

Preferably, one end of the dust suction pipe, which is positioned in the casing, is connected with a plurality of dust suction branch pipes, the dust suction branch pipes are positioned in the casing, and one end of the dust suction pipe, which is positioned in the casing, is positioned in the same horizontal plane with the plurality of dust suction branch pipes.

Through adopting above-mentioned technical scheme, the setting up of dust absorption branch pipe makes dust extraction can follow a plurality of different positions and absorb the saw-dust to improve dust extraction to the absorption effect and the absorption efficiency of saw-dust.

Preferably, the dust suction pipe is connected with a dust suction cover at one end in the casing, the dust suction branch pipe is also connected with the dust suction cover at the end far away from the dust suction pipe, and the dust suction cover is in a horn mouth shape.

By adopting the technical scheme, the suction hood can enlarge the air suction area of the dust suction pipe and the dust suction branch pipe, thereby improving the absorption effect and the absorption efficiency of sawdust.

Preferably, the shell is provided with a blowing device, the blowing device comprises a blowpipe connected with the vertical side wall of the shell and an air blower connected with one end, far away from the shell, of the blowpipe, the blowpipe penetrates through the vertical side wall of the shell and extends into the shell, the vertical side wall, through which the blowpipe penetrates, of the shell is parallel to the vertical side wall, through which the dust suction pipe penetrates, of the shell, and the central axis of the opening at one end, located in the shell, of the blowpipe is located between the conveying belt and the abrasive belt.

Through adopting above-mentioned technical scheme, during the use, start the air-blower, the blowing pipe can outwards blow, and the wind energy that the blowing pipe blew off is enough with the saw-dust to the direction that is close to dust absorption pipe and dust absorption branch pipe to make things convenient for dust absorption pipe and dust absorption branch pipe to absorb the saw-dust.

Preferably, one end of the blowpipe, which is located in the casing, is connected with a plurality of branch blowpipes, the branch blowpipes are located in the casing, and one end of the blowpipe, which is located in the casing, is located in the same horizontal plane as the plurality of branch blowpipes.

Through adopting above-mentioned technical scheme, the setting up of branch pipe of blowing makes blast apparatus blow the saw-dust from a plurality of different positions to improve blast apparatus and to the blowing effect of saw-dust.

Preferably, one end of the dust suction pipe and one end of the blowpipe, which are positioned in the machine shell, are positioned in the same horizontal plane, and the opening of the end of the dust suction pipe, which is positioned in the machine shell, is opposite to the opening of the end of the blowpipe, which is positioned in the machine shell.

Through adopting above-mentioned technical scheme, be favorable to the blowing pipe directly to blow the saw-dust to the dust absorption pipe of being convenient for absorbs the saw-dust.

Preferably, the number of the dust collection branch pipes is the same as that of the blowing branch pipes, the openings of the dust collection branch pipes and the openings of the blowing branch pipes are arranged oppositely, and the dust collection branch pipes and the blowing branch pipes are arranged in a one-to-one correspondence manner.

Through adopting above-mentioned technical scheme, be favorable to the branch pipe of blowing directly to blow the saw-dust to the dust absorption branch pipe of being convenient for absorbs the saw-dust.

Preferably, a glass window is arranged on the machine shell, and the glass window is arranged on one vertical side wall of the machine shell.

Through adopting above-mentioned technical scheme, the saw-dust quantity in the casing is observed to staff's accessible glass window to can adjust the power size of air exhauster and air-blower according to actual conditions.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the dust collection device, the dust collection device can absorb the wood chips generated by sanding while sanding the wood board, so that the quantity of the wood chips clamped between the wood board and the abrasive belt can be reduced, the scratch on the surface of the wood board caused by the wood chips can be reduced, and the effect of improving the sanding precision of the wood board sanding machine is achieved;

2. this application is through setting up blast apparatus, and blast apparatus can blow the saw-dust that sand light in-process produced to dust absorption pipe and dust absorption branch pipe to be convenient for dust absorption pipe and dust absorption branch pipe absorb the saw-dust, and blast apparatus can blow off the saw-dust of card between abrasive band and plank simultaneously, thereby reduces the saw-dust and gives the fish tail that the plank surface caused.

Drawings

Fig. 1 is a schematic view of the overall structure of a board sander with a dust suction device used in the embodiment.

Fig. 2 is a schematic view for embodying the structure of the discharge port in the embodiment.

Fig. 3 is a schematic diagram for embodying the internal structure of the casing in the embodiment.

Fig. 4 is a schematic view for embodying the structure of the blowing branch pipe in the embodiment.

Description of reference numerals: 1. a housing; 2. a frame; 3. a feed inlet; 4. a discharge port; 5. sanding rollers; 6. a driving roller; 7. an abrasive belt; 8. a drive motor; 9. a conveying roller; 10. a conveyor belt; 11. a conveying motor; 12. a dust collection device; 121. a dust collection pipe; 122. an exhaust fan; 123. a collection box; 13. a dust collection branch pipe; 14. a dust hood; 15. a blowing device; 151. a blowpipe; 152. a blower; 16. a blowing branch pipe; 17. a glass window.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a wood board sander with a dust suction device, and with reference to fig. 1 and 2, the wood board sander comprises a machine shell 1 and a machine frame 2. Casing 1 is rectangle cavity casing, offers relative feed inlet 3 and the discharge gate 4 that sets up respectively on two relative vertical lateral walls of casing 1. Frame 2 is rectangular frame, and frame 2 level runs through feed inlet 3 and discharge gate 4, and the rotation is connected with a plurality of parallel arrangement's conveying roller 9 on the frame 2, and the length direction of conveying roller 9 is perpendicular with the length direction of frame 2, and the cover is equipped with conveyer belt 10 on the conveying roller 9, is equipped with conveying motor 11 on the frame 2. An output shaft of the conveying motor 11 is connected with a roller shaft of the conveying roller 9 at one end of the frame 2.

Referring to fig. 3, casing 1 internal rotation is connected with sanding roller 5 and driving roller 6, and sanding roller 5 and driving roller 6 level set up and all perpendicular with the length direction of frame 2, and sanding roller 5 is located driving roller 6 directly over, and driving roller 6 is located the top of conveyer belt 10, and sanding roller 5 and driving roller 6 go up the cover and are equipped with abrasive band 7, leave the interval that supplies the plank to pass between abrasive band 7 and the conveyer belt 10. The outer wall of the machine shell 1 is provided with a driving motor 8, and an output shaft of the driving motor 8 is connected with a roll shaft of the sanding roll 5.

When the sand belt sander is used, a worker starts the conveying motor 11 and the driving motor 8, the conveying motor 11 drives the conveying roller 9 connected with the conveying motor to rotate, so that the conveying belt 10 is driven to rotate, and the driving motor 8 drives the sand polishing roller 5 to rotate, so that the sand belt 7 is driven to rotate; the staff will treat that the plank of sand light is placed on conveyer belt 10, and conveyer belt 10 can be transported the plank from feed inlet 3 and entered into casing 1 in, and the plank removes the in-process in casing 1 and can contact with abrasive band 7, and high-speed pivoted abrasive band 7 can be to the surface of plank sand light of polishing, and finally the plank can follow discharge gate 4 and shift out casing 1, and whole sand light process ends.

Referring to fig. 3, the housing 1 is provided with a dust suction device 12 capable of sucking wood chips in the housing 1. The suction device 12 comprises a suction pipe 121, a suction fan 122 and a collection tank 123. One end of the dust suction pipe 121 is connected to an air inlet of the exhaust fan 122, the other end of the dust suction pipe is connected to a vertical side wall of the casing 1, one end of the dust suction pipe 121 close to the casing 1 penetrates through the vertical side wall of the casing 1 and extends into the casing 1, and an open central axis of one end of the dust suction pipe 121 in the casing 1 is located between the conveying belt 10 and the sand belt 7. The collection box 123 is connected with an air outlet of the exhaust fan 122, and the collection box 123 is used for collecting and storing the wood chips absorbed by the exhaust fan 122.

Referring to fig. 3, when the suction fan 122 is activated, wood chips generated during sanding are sucked into the dust suction pipe 121 by the suction fan 122, and the wood chips are finally moved to the collection box 123 for storage. Because the dust suction device 12 can absorb the wood chips in the sanding process, the quantity of the wood chips clamped between the wood board and the sanding belt 7 can be greatly reduced, the wood chips can be scratched on the wood board, the smoothness of the surface of the wood board after sanding is finished is improved, and the sanding precision of the wood board sander on the wood board is improved.

Referring to fig. 3, two branch dust suction pipes 13 are connected to one end of the dust suction pipe 121 located in the casing 1, the two branch dust suction pipes 13 are located at two sides of the dust suction pipe 121, the branch dust suction pipe 13 is located in the casing 1 completely, an opening of one end of the branch dust suction pipe 13 far away from the dust suction pipe 121 faces the conveyor belt 10, and one end of the dust suction pipe 121 located in the casing 1 and the two branch dust suction pipes 13 are located in the same horizontal plane.

Referring to fig. 3, the two branch dust suction pipes 13 can suck the chips from different positions, so that the range of the dust suction device 12 for sucking the chips can be enlarged, and the dust suction efficiency and the dust suction effect of the dust suction device 12 for sucking the chips can be improved.

Referring to fig. 3, a dust hood 14 is connected to one end of the dust suction pipe 121 located in the housing 1, a dust hood 14 is also connected to one end of the dust suction branch pipe 13 away from the dust suction pipe 121, the dust hood 14 is in a bell mouth shape, and the end of the dust hood 14 with a larger opening faces the conveyor belt 10. The dust hood 14 can increase the suction range of the dust suction pipe 121 and the dust suction branch pipe 13, thereby improving the wood dust absorption efficiency and effect of the dust suction pipe 121 and the dust suction branch pipe 13.

Referring to fig. 3 and 4, since the dust suction pipe 121 and the dust suction branch pipe 13 are both located at one side of the inside of the housing 1, the wood chips relatively far away from the dust suction pipe 121 and the dust suction branch pipe 13 are not easily absorbed, and in order to alleviate the above problem, the blowing device 15 is provided at one side of the housing 1 opposite to the dust suction device 12, and the blowing device 15 can blow the wood chips in the housing 1 to the positions where the dust suction pipe 121 and the dust suction branch pipe 13 are located.

Referring to fig. 4, the blowing device 15 includes a blowing pipe 151 and a blower 152, one end of the blowing pipe 151 is connected to an air outlet of the blower 152, and the other end is connected to a vertical sidewall of the casing 1, one end of the blowing pipe 151 near the casing 1 passes through the vertical sidewall of the casing 1 and extends into the casing 1, the vertical sidewall of the casing 1 through which the blowing pipe 151 passes and the vertical sidewall of the casing 1 through which the dust suction pipe 121 passes are parallel to each other, and a central axis of an opening of one end of the blowing pipe 151 in the casing 1 is located between the conveyor belt 10 and the sand belt 7.

Referring to fig. 4, in use, when the blower 152 is started, the blowing pipe 151 blows air, and the air blown from the blowing pipe 151 blows the wood chips generated by sanding to the vicinity of the dust suction pipe 121 and the dust suction branch pipe 13, so that the wood chips are conveniently sucked by the dust suction pipe 121 and the dust suction branch pipe 13; in addition, the air blown by the blowing pipe 151 can blow out the wood chips clamped between the abrasive belt 7 and the wood board, so that the wood chips clamped between the abrasive belt 7 and the wood board are prevented from scratching the wood board.

Referring to fig. 4, two branch blower pipes 16 are connected to one end of the blower pipe 151 located in the cabinet 1, the branch blower pipes 16 are completely located in the cabinet 1, and one end of the blower pipe 151 located in the cabinet 1 is located in the same horizontal plane as the two branch blower pipes 16. The two branch blowing pipes 16 can blow the wood chips from different positions, so that the blowing range of the blowing device 15 can be enlarged, and the wood chips at various positions in the machine shell 1 can be blown conveniently.

Referring to fig. 3 and 4, the dust suction pipe 121 and the blowing pipe 151 are located in the same horizontal plane at one end of the machine shell 1, and the opening of the end of the dust suction pipe 121 located in the machine shell 1 is opposite to the opening of the end of the blowing pipe 151 located in the machine shell 1, so that when the blowing pipe 151 blows wood chips, the wood chips are more easily moved to the opening of the dust suction pipe 121, and the dust suction pipe 121 can conveniently suck the wood chips.

Referring to fig. 3 and 4, the dust suction branch pipes 13 are disposed opposite to the openings of the blowing branch pipes 16, and the two dust suction branch pipes 13 are disposed in one-to-one correspondence with the blowing branch pipes 16, so that when the blowing branch pipes 16 blow the wood chips, the wood chips are more easily moved to the openings of the dust suction branch pipes 13 corresponding to the blowing branch pipes 16, thereby facilitating the absorption of the wood chips by the dust suction branch pipes 13.

Referring to fig. 4, a glass window 17 is provided on the cabinet 1, and the glass window 17 is provided on a vertical sidewall of the cabinet 1 through which the dust suction pipe 121 passes. In the sanding process, a worker can observe the concentration of the wood chips in the machine shell 1 through the glass window 17, so that the power of the exhaust fan 122 and the air blower 152 can be adjusted according to the quantity of the wood chips, and the wood chips in the machine shell 1 can be efficiently absorbed.

The implementation principle of the wood board sander with the dust collection device in the embodiment of the application is as follows: when the wood board sanding machine is used, a worker starts the conveying motor 11, the driving motor 8, the exhaust fan 122 and the air blower 152, then a wood board to be sanded is placed on the conveying belt 10, the conveying belt 10 conveys the wood board into the machine shell 1, and the wood board is sanded in the machine shell 1 to generate wood chips; the blower 152 can blow air out of the blowing pipe 151 and the blowing branch pipe 16, so that the wood chips move to a position close to the dust suction pipe 121 and the dust suction branch pipe 13, the suction fan 122 can suck the wood chips into the dust suction pipe 121 and the dust suction branch pipe 13, and the wood chips in the dust suction pipe 121 and the dust suction branch pipe 13 are finally moved to the collection box 123 for storage; owing to set up blast apparatus 15 and dust extraction 12, the saw-dust of card between plank and abrasive band 7 can be blown out by blast apparatus 15, then is siphoned away by dust extraction 12, consequently can reduce the saw-dust and give the mar that the plank caused, has guaranteed the smooth degree on plank surface after the sand light, plays the effect that improves the sand light precision of plank grinder to the plank.

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

Claims

1. The utility model provides a plank grinder with dust extraction, includes casing (1) and frame (2), feed inlet (3) and discharge gate (4) have been seted up on casing (1), feed inlet (3) and discharge gate (4) are run through to frame (2) level, be equipped with sanding roller (5) and driving roller (6) in casing (1), the cover is equipped with abrasive band (7) on sanding roller (5) and driving roller (6), the roller of sanding roller (5) is connected with driving motor (8), be equipped with a plurality of conveying rollers (9) on frame (2), it is a plurality of the cover is equipped with conveyer belt (10) on conveying roller (9), one of them the roller of conveying roller (9) is connected with conveyer motor (11), its characterized in that: be equipped with dust extraction (12) on casing (1), dust extraction (12) are including connecting dust absorption pipe (121) on a vertical lateral wall of casing (1), keeping away from air exhauster (122) that casing (1) one end is connected with dust absorption pipe (121), collecting box (123) of being connected with the air outlet of air exhauster (122), the vertical lateral wall of casing (1) is passed and is stretched into in casing (1) to the one end that dust absorption pipe (121) are close to casing (1), open-ended axis that dust absorption pipe (121) are located the one end in casing (1) is located between conveyer belt (10) and abrasive band (7).

2. The wood sanding machine with dust suction device according to claim 1, characterized in that: one end of the dust suction pipe (121) located in the machine shell (1) is connected with a plurality of dust suction branch pipes (13), the dust suction branch pipes (13) are located in the machine shell (1), and one end of the dust suction pipe (121) located in the machine shell (1) and the dust suction branch pipes (13) are located in the same horizontal plane.

3. The wood sanding machine with dust suction device according to claim 2, characterized in that: one end that dust absorption pipe (121) are located casing (1) is connected with suction hood (14), the one end that dust absorption pipe (121) were kept away from in dust absorption branch pipe (13) also is connected with suction hood (14), suction hood (14) are the horn mouth form.

4. The wood sanding machine with dust suction device according to claim 3, characterized in that: the improved sanding belt cleaning machine is characterized in that a blowing device (15) is arranged on the machine shell (1), the blowing device (15) comprises a blowing pipe (151) connected with the vertical side wall of the machine shell (1) and an air blower (152) connected with one end, far away from the machine shell (1), of the blowing pipe (151), the blowing pipe (151) penetrates through the vertical side wall of the machine shell (1) and extends into the machine shell (1), the vertical side wall, through which the blowing pipe (151) penetrates, of the machine shell (1) is parallel to the vertical side wall, through which the dust suction pipe (121) penetrates, of the machine shell (1), and the central axis of an opening, located at one end, in the machine shell (1), of the blowing pipe (151) is located between the conveying belt (10) and.

5. The wood sanding machine with dust suction device according to claim 4, characterized in that: one end, located in the machine shell (1), of the blowpipe (151) is connected with a plurality of blowing branch pipes (16), the blowing branch pipes (16) are located in the machine shell (1), and one end, located in the machine shell (1), of the blowpipe (151) and the plurality of blowing branch pipes (16) are located in the same horizontal plane.

6. The wood sanding machine with dust suction device according to claim 5, characterized in that: the dust collection pipe (121) and the blowing pipe (151) are located at one end of the machine shell (1) and are located in the same horizontal plane, and an opening of one end, located in the machine shell (1), of the dust collection pipe (121) is opposite to an opening of one end, located in the machine shell (1), of the blowing pipe (151).

7. The wood sanding machine with dust suction device according to claim 6, characterized in that: the number of the dust collection branch pipes (13) is the same as that of the blowing branch pipes (16), the openings of the dust collection branch pipes (13) and the openings of the blowing branch pipes (16) are arranged oppositely, and the dust collection branch pipes (13) and the blowing branch pipes (16) are arranged in a one-to-one correspondence manner.

8. The wood sanding machine with dust suction device according to claim 1, characterized in that: the glass window (17) is arranged on the machine shell (1), and the glass window (17) is arranged on one vertical side wall of the machine shell (1).