CN213435402U

CN213435402U - Putty scraping machine for wood board processing

Info

Publication number: CN213435402U
Application number: CN202022398283.3U
Authority: CN
Inventors: 周贵新
Original assignee: Langfang Keding Machinery Co ltd
Current assignee: Langfang Keding Machinery Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-06-15
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses a putty scraper for wood board processing, which comprises a frame, wherein one end of the frame is rotatably provided with a plate feeding conveying roller, the other end of the frame is provided with a lower knife holder, and a lower scraper plate is arranged on the lower knife holder; the machine frame is characterized in that a plurality of lower rollers are sequentially and rotatably arranged in the area between the plate feeding conveying roller and the lower scraper plate, a plurality of upper rollers are adjustably arranged above the lower rollers, a driving device for driving the plate feeding conveying roller and the lower rollers to rotate is arranged on the machine frame, and long round holes for the middle shafts of the upper rollers to move up and down are formed in the two sides of the machine frame. The utility model discloses a good limiting displacement can be played to the plank to a plurality of last conducting bar and lower conducting bar to prevent that the plank from taking place to rock and upwarp in vertical direction, avoid the roller to damage the plank, can not produce harmful effects to the normal operation of scraping grey machine when can conveniently adjusting the interval between roller and the lower roller.

Description

Putty scraping machine for wood board processing

Technical Field

The utility model relates to a plank processing technology field especially relates to a plank processing putty scrapes grey machine.

Background

The surface of a wood board for producing furniture needs to be subjected to putty scraping treatment after putty scraping so as to ensure that the surface of the wood board is smooth, putty scraping operation is generally completed by a putty scraping machine, the wood board is conveyed to people by a board feeding conveying roller at the front end of the putty scraping machine, and multiple groups of upper and lower pressing rollers inside the putty scraping machine ensure that the wood board runs stably. However, in the actual working process, when the tail of the wood board is scraped with dust through the board feeding conveying rollers or some shorter wood boards, certain intervals are formed between the upper compression rollers and the lower compression rollers of each adjacent group, so that the stress of the wood board is uneven, the wood board is rocked and warped upwards, and the wood board is damaged seriously. The upper and lower rollers of the ash scraping machine are generally fixedly installed at the present stage, and the gap between the upper roller and the lower roller cannot be adjusted, so that the ash scraping machine can only scrape ash operation on the wood boards with fixed thickness, and the ash scraping machine cannot be normally used when facing the wood boards with other thicknesses, and the applicability of the ash scraping machine is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a plank processing putty scrapes grey machine solves the technical problem who mentions in the above-mentioned background art.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model relates to a putty scraper for wood board processing, which comprises a frame, wherein one end of the frame is rotatably provided with a board feeding conveying roller, the other end of the frame is provided with a lower knife holder, and a lower scraper plate is arranged on the lower knife holder; the machine frame is provided with a plurality of lower rollers which are sequentially and rotatably arranged in the area between the plate feeding conveying roller and the lower scraper plate, a plurality of upper rollers are adjustably arranged above each lower roller, a driving device for driving the plate feeding conveying roller and each lower roller to rotate is arranged on the machine frame, long circular holes for the vertical movement of the middle shaft of each upper roller are formed in two sides of the machine frame, and transmission adjusting devices for enabling the middle shafts of the corresponding upper rollers and the middle shafts of the lower rollers to be in transmission connection and for vertically adjusting the upper rollers are respectively arranged between the corresponding upper rollers and the corresponding lower rollers of the machine frame; the outer peripheral wall of each lower roller is provided with a plurality of lower guide grooves at equal intervals along the corresponding same direction, the rack is uniformly provided with a plurality of lower guide strips which respectively penetrate through the upper ends of the lower guide grooves in the same direction of the lower rollers, the outer peripheral wall of each upper roller is provided with a plurality of upper guide grooves at equal intervals along the corresponding same direction, the rack is uniformly provided with a plurality of upper guide strips which respectively penetrate through the lower ends of the upper guide grooves in the same direction of the upper rollers, and the rack is provided with an upper guide strip adjusting device which is used for adjusting the heights of the upper guide strips above the upper guide strips; the machine frame is provided with an upper cutter holder above the lower cutter holder in an adjustable manner, and an upper scraper plate is arranged on the upper cutter holder.

Furthermore, one end of each upper guide bar, which is close to the plate feeding conveying roller, is bent upwards.

Still further, the frame is in being close to advance the fixed first mounting bracket that is provided with in position above the board conveying roller, two pinch rollers of below symmetry of first mounting bracket are installed.

Still further, the slip of symmetry is provided with two screw rods on the first mounting bracket, the upper end of screw rod is located first mounting bracket top is and be provided with rather than threaded connection's stop nut, the lower extreme of screw rod is located first mounting bracket below is fixed and is provided with the wheel seat, the screw rod is located the wheel seat with position cover between the first mounting bracket is equipped with the pressure spring, two the pinch roller is rotatable respectively to be set up in two in the wheel seat.

Still further, each transmission adjusting device comprises a driving gear arranged at one end of a middle shaft of each lower roller and located at the outer side of the rack, the middle shaft of each lower roller penetrates through the corresponding driving gear and then is rotatably connected with one end of a first crank arm, the other end of the first crank arm is hinged with one end of a second crank arm through a first rotating shaft, the first rotating shaft penetrates through the first crank arm and the second crank arm and then is sleeved with a first rotation bearing gear meshed with the driving gear, the middle part of the second crank arm is rotatably provided with a second rotating shaft, the second rotating shaft penetrates through the second crank arm and then is sleeved with a second rotation bearing gear matched with the first rotation bearing gear, the middle shaft of the upper roller penetrates through the corresponding long round hole and then one end of the upper roller is rotatably connected with the other end of the second crank arm, and a part of the middle shaft of the upper roller, located between the rack and the second crank arm, is provided with a second rotation bearing gear A plurality of first air cylinders which are in one-to-one correspondence with the second crank arms are arranged above the rack, and the telescopic end of each first air cylinder penetrates through the top plate of the rack and then is fixedly connected with the upper end of the corresponding second crank arm; the other end of the middle shaft of each upper roller is positioned at the outer side of the rack and is rotatably connected with the shaft sleeve, a plurality of second cylinders which are in one-to-one correspondence with the shaft sleeves are arranged above the rack, and the telescopic end of each second cylinder penetrates through the top plate of the rack and is fixedly connected with the upper end of the corresponding shaft sleeve.

Still further, the driving device comprises a driving motor arranged on the rack, the free end of a driving shaft of the driving motor corresponds to the other end of the middle shaft of the lower roller, a driving chain wheel is arranged on the driving shaft of the driving motor, and a first driven chain wheel is arranged at the end part of the other end of the middle shaft of each lower roller. And a second driven chain wheel is arranged at one end of the plate feeding conveying roller, which corresponds to the free end of the driving shaft of the driving motor, and a transmission chain is jointly arranged on the outer sides of the driving chain wheel, the first driven chain wheels and the second driven chain wheels.

Still further, the lateral part of frame is provided with two regulating sprocket symmetrically, drive chain passes around two regulating sprocket.

Still further, a second mounting frame is arranged above the lower tool apron of the rack, a plurality of third cylinders are symmetrically arranged on the second mounting frame, and the telescopic end of each third cylinder penetrates through the second mounting frame and then is fixedly connected with the upper tool apron.

Furthermore, each upper guide bar comprises a first upper guide bar and a second upper guide bar, the width of the upper guide groove on each upper roller is matched with the width of the corresponding first upper guide bar or second upper guide bar, two ends of the plurality of first upper guide bars are fixedly connected together through two first connecting rods, and two ends of the plurality of second upper guide bars are fixedly connected through two second connecting rods.

Still further, the upper guide bar lifting device comprises a third mounting frame arranged on the rack, the third mounting frame is fixedly arranged above the spacing positions of the plurality of first upper guide bars and the plurality of second upper guide bars, two vertical fourth cylinders are symmetrically arranged right above one first connecting rod at one side end of the third mounting frame, the telescopic ends of the two fourth cylinders are fixedly connected with the first connecting rod, two vertical fifth cylinders are symmetrically arranged right above one second connecting rod at the other side end of the third mounting frame, and the telescopic ends of the two fifth cylinders are fixedly connected with the second connecting rod; the first mounting frame is arranged on the other side, two vertical sixth cylinders are symmetrically arranged right above the first connecting rod, the telescopic ends of the sixth cylinders are fixedly connected with the first connecting rod, the second mounting frame is arranged on the other side, two vertical seventh cylinders are symmetrically arranged right above the second connecting rod, and the telescopic ends of the seventh cylinders are fixedly connected with the second connecting rod.

Compared with the prior art, the utility model discloses a beneficial technological effect:

the utility model discloses at the during operation, through advancing the leading-in plank of board conveying roller, then the plank passes through the corresponding last roller of multiunit and lower roller, realizes polishing to the plank when carrying the plank. And the utility model discloses in, set up guide slot and lower guide slot on the perisporium of roller and lower roller respectively on each group to install the last conducting bar that runs through the last guide slot lower extreme of the last roller lower extreme that respectively corresponds and run through the lower conducting bar of the lower guide slot upper end of the lower part roller that respectively corresponds, from last roller and lower roller and go up the conducting bar and pass through with the clearance between the conducting bar down in the plank transportation process, when guaranteeing that each group roller normally carries the plank in rotatory in-process, it is a plurality of go up the conducting bar and can play good limiting displacement to the plank with lower conducting bar, in order to prevent that the plank from taking place to rock and upwarp in vertical direction, avoid the roller to damage the plank.

In addition the utility model discloses can realize to each group corresponding convenient regulation of interval between last roller and the lower roller, the telescopic motion through each first cylinder drives corresponding second and cranks the arm and move from top to bottom to realize fast and to the regulation of interval between last roller and the lower roller, because second crank and first crank arm hinge joint, the angle change that the second cranks between arm and the first arm of cranking can not influence driving gear, first rotation-supporting gear, second rotation-supporting gear and driven gear between the engaged state in proper order, can not produce harmful effects to the normal operation of scraping grey machine in the time of interval between roller and the lower roller in convenient regulation, moreover go up blade holder and each the height of going up the gib block can in good time adjust to with go up the height that the roller suited.

Drawings

The present invention will be further explained with reference to the following description of the drawings.

FIG. 1 is a schematic view of the structure of the feeding end of the present invention;

FIG. 2 is a schematic view of the structure of the discharge end of the present invention;

FIG. 3 is a partial enlarged view of the top of the present invention;

FIG. 4 is a schematic view of the guide bar adjusting device;

description of reference numerals: 1. a frame; 2. feeding plate conveying rollers; 3. a lower tool apron; 4. a lower scraper plate; 5. a lower roller; 6. a roller is arranged; 7. a driving gear; 8. a first crank arm; 9. a second crank arm; 10. a first rotating shaft; 11. a first rotation bearing gear; 12. a second rotating shaft; 13. a second rotation bearing gear; 14. a long round hole; 15. a first cylinder; 16. a shaft sleeve; 17. a second cylinder; 18. an upper tool apron; 19. an upper scraper plate; 20. a second mounting bracket; 21. a third cylinder; 22. a lower guide groove; 23. a lower conducting bar; 24. an upper guide groove; 25. an upper conducting bar; 25-1, a first upper conducting bar; 25-2, a second upper conducting bar; 26. a first connecting rod; 27. a second connecting rod; 28. a third mounting bracket; 29. a fourth cylinder; 30. a fifth cylinder; 31. a first mounting bracket; 32. a pinch roller; 33. a screw; 34. a limit nut; 35. a wheel seat; 36. a pressure spring; 37. a sixth cylinder; 38. a seventh cylinder; 39. a drive motor; 40. a drive sprocket; 41. a first driven sprocket; 42. a second driven sprocket; 43. adjusting the chain wheel; 44. scraping a side plate; 45. a material receiving groove.

Detailed Description

As shown in fig. 1-fig. 1, a putty scraper for wood board processing comprises a frame 1, wherein one end of the frame 1 is rotatably provided with a board feeding conveying roller 2, the other end of the frame 1 is provided with a lower cutter holder 3, and the upper part of the lower cutter holder is provided with a lower scraper plate 4.

A plurality of lower rollers 5 are sequentially and rotatably arranged on the frame 1 in the area between the plate feeding conveying roller 2 and the lower scraper plate 4, and a plurality of upper rollers 6 are adjustably arranged above the lower rollers 5. The two sides of the machine frame 1 are provided with long circular holes 14 for the up-and-down movement of the middle shaft of each upper roller 6, and the machine frame 1 is respectively provided with a transmission adjusting device used for driving and connecting the middle shaft of each corresponding upper roller 6 and the middle shaft of each corresponding lower roller 5 and adjusting the upper rollers 6 up and down between each corresponding upper roller 6 and each corresponding lower roller 5.

Each transmission adjusting device comprises a driving gear 7 which is arranged at one end of a middle shaft of each lower roller 5 and is positioned at the outer side part of the rack 1, the middle shaft of each lower roller 5 penetrates through the corresponding driving gear 7 and then is rotatably connected with one end of a first crank arm 8, and the other end of the first crank arm 8 is hinged with one end of a second crank arm 9 through a first rotating shaft 10. First pivot 10 runs through the cover behind first crank arm 8 and the second crank arm 9 be equipped with driving gear 7 engaged with first rotation gear 11 that holds, the rotatable second pivot 12 that is provided with in middle part of the second crank arm 9, second pivot 12 runs through the cover is equipped with behind the second crank arm 9 with first rotation gear 11 looks adaptation second rotation gear 13 that holds. One end of the middle shaft of the upper roller 6 is rotatably connected with the other end of the second crank arm 9 after penetrating through the corresponding long circular hole, a driven gear matched with the second rotation bearing gear 13 is installed at a position, between the rack 1 and the second crank arm 8, of the middle shaft of the upper roller 6, a plurality of first air cylinders 15 in one-to-one correspondence with the second crank arms 8 are installed above the rack 1, and the telescopic ends of the first air cylinders 15 penetrate through a top plate of the rack 1 and then are fixedly connected with the upper ends of the corresponding second crank arms 9. The other end of the middle shaft of each upper roller 6, which is positioned at the outer side of the frame 1, is rotatably connected with a shaft sleeve 16, a plurality of second cylinders 17 which are in one-to-one correspondence with the shaft sleeves 16 are installed above the frame 1, and the telescopic end of each second cylinder 17 penetrates through the top plate of the frame 1 and then is fixedly connected with the upper end of the corresponding shaft sleeve 16.

An upper cutter holder 18 is adjustably mounted on the frame 1 above the lower cutter holder 3, and an upper scraper plate 19 is mounted on the upper cutter holder 18. Specifically, a second mounting frame 20 is installed above the lower tool apron 3 of the frame 1, a plurality of third cylinders 21 are symmetrically installed on the second mounting frame 20, and the telescopic end of each third cylinder 21 penetrates through the second mounting frame 20 and then is fixedly connected with the upper tool apron 18.

Frame 1 is being close to the position fixed mounting that advances board conveying roller 2 top has first mounting bracket 31, two pinch rollers 32 are installed to the below symmetry of first mounting bracket 31. Specifically, the slidable mounting of symmetry has two screw rods 33 on the first mounting bracket 31, the upper end of screw rod 33 is located first mounting bracket 31 top is and be provided with rather than threaded connection's stop nut 34, the lower extreme of screw rod 33 is located first mounting bracket 31 below and fixed mounting have a wheel seat 35, screw rod 33 is located wheel seat 35 with position cover between first mounting bracket 31 is equipped with pressure spring 36, two pinch roller 32 is rotatable the installation respectively in two in the wheel seat 35.

A plurality of lower guide grooves 22 are formed in the peripheral wall of each lower roller 5 at equal intervals along the same corresponding direction, and a plurality of lower guide strips 23 which penetrate through the upper ends of the lower guide grooves 22 in the same direction of the lower rollers 5 are uniformly installed on the machine frame 1. The upper end of the lower guide bar 23 is positioned at the same level with the plate feeding conveyor roller 2, the lower scraper plate 4 and the lower rollers 5. A plurality of upper guide grooves 24 are uniformly formed in the peripheral wall of each upper roller 6 at intervals along the same corresponding direction, a plurality of upper guide strips 25 respectively penetrating through the lower ends of the upper guide grooves 24 in the same direction of the upper rollers 6 are uniformly installed on the frame 1, and one end, close to the plate feeding conveyor roller 2, of each upper guide strip 25 is bent upwards. The lower ends of the upper conducting bars 25 are located at the same level as the lower ends of the upper doctor blade 19 and the upper rolls 6.

In this embodiment, an upper bar adjusting device for adjusting the height of each of the plurality of upper bars 25 is installed above the plurality of upper bars 25 on the frame 1. In this embodiment, each upper conducting bar 25 comprises a first upper conducting bar 25-1 and a second upper conducting bar 25-2, and the width of the upper guiding groove on each upper roller 6 is adapted to the width of the corresponding first upper conducting bar 25-1 or second upper conducting bar 25-2. Two ends of the plurality of first upper guide bars 25-1 are respectively and fixedly connected together by two first connecting rods 26, and two ends of the plurality of second upper guide bars 25-2 are respectively and fixedly connected by two second connecting rods 27. Go up conducting bar 26 elevating gear including installing third mounting bracket 28 in frame 1, third mounting bracket 28 fixed mounting is in a plurality of conducting bar 25-1 and a plurality of conducting bar 25-2 spaced apart position's top on the second, a side of third mounting bracket 28 is in one connecting rod 26 directly over the symmetry install two vertical fourth cylinders 29, and two the flexible end and the foretell first connecting rod 26 fixed connection of fourth cylinder 29. Two vertical fifth cylinders 30 are symmetrically installed at the other side end of the third mounting bracket 28 right above one of the second connecting rods 27, and the telescopic ends of the two fifth cylinders 30 are fixedly connected with the second connecting rods 27. Two vertical sixth cylinders 37 are symmetrically installed on the first mounting frame 31 right above the other first connecting rod 26, and the telescopic ends of the two sixth cylinders 37 are fixedly connected with the first connecting rod 26. Two vertical seventh cylinders 38 are symmetrically installed on the second mounting bracket 20 right above the other second connecting rod 27, and the telescopic ends of the two seventh cylinders 38 are fixedly connected with the second connecting rod 27.

And a driving device for driving the plate feeding conveying roller 2 and each lower roller 5 to rotate is arranged on the frame 1. Specifically, the driving device comprises a driving motor 39 arranged on the frame 1, a free end of a driving shaft of the driving motor 39 corresponds to the other end of the center shaft of the lower roller 5, a driving sprocket 40 is arranged on the driving shaft of the driving motor 39, and a first driven sprocket 41 is arranged at the end of the other end of the center shaft of each lower roller 5. A second driven sprocket 42 is mounted to one end of the sheet feeding conveyor roller 2 corresponding to a free end of a drive shaft of the drive motor, and a drive chain is provided outside the drive sprocket 40, the plurality of first driven sprockets 41, and the second driven sprocket 42. Two adjusting chain wheels 43 are symmetrically and adjustably mounted on the side of the frame 1, and the transmission chain passes through the two adjusting chain wheels 43.

The machine frame 1 is provided with two scraping plates 44 symmetrically arranged at two sides of one end of the lower scraping plate 4, and material receiving grooves 45 are arranged at the lower parts of the lower scraping plate 4 and the plurality of lower pressing rollers 5.

The utility model discloses at the during operation, through advancing the leading-in plank of board conveying roller, then the plank passes through the corresponding last roller of multiunit and lower roller, realizes polishing to the plank when carrying the plank. And the utility model discloses in, set up guide slot and lower guide slot on the perisporium of roller and lower roller respectively on each group to install the last conducting bar that runs through the last guide slot lower extreme of the last roller lower extreme that respectively corresponds and run through the lower conducting bar of the lower guide slot upper end of the lower part roller that respectively corresponds, from last roller and lower roller and go up the conducting bar and pass through with the clearance between the conducting bar down in the plank transportation process, when guaranteeing that each group roller normally carries the plank in rotatory in-process, it is a plurality of go up the conducting bar and can play good limiting displacement to the plank with lower conducting bar, in order to prevent that the plank from taking place to rock and upwarp in vertical direction, avoid the roller to damage the plank. In addition the utility model discloses can realize to each group corresponding convenient regulation of interval between last roller and the lower roller, the telescopic motion through each first cylinder drives corresponding second and cranks the arm and move from top to bottom to realize fast and to the regulation of interval between last roller and the lower roller, because second crank and first crank arm hinge joint, the angle change that the second cranks between arm and the first arm of cranking can not influence driving gear, first rotation-supporting gear, second rotation-supporting gear and driven gear between the engaged state in proper order, can not produce harmful effects to the normal operation of scraping grey machine in the time of interval between roller and the lower roller in convenient regulation, moreover go up blade holder and each the height of going up the gib block can in good time adjust to with go up the height that the roller suited.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides a plank processing putty scraping machine which characterized in that: the scraper conveyor comprises a rack, wherein a plate feeding conveying roller is rotatably arranged at one end of the rack, a lower cutter holder is arranged at the other end of the rack, and a lower scraper plate is arranged on the lower cutter holder; the machine frame is provided with a plurality of lower rollers which are sequentially and rotatably arranged in the area between the plate feeding conveying roller and the lower scraper plate, a plurality of upper rollers are adjustably arranged above each lower roller, a driving device for driving the plate feeding conveying roller and each lower roller to rotate is arranged on the machine frame, long circular holes for the vertical movement of the middle shaft of each upper roller are formed in two sides of the machine frame, and transmission adjusting devices for enabling the middle shafts of the corresponding upper rollers and the middle shafts of the lower rollers to be in transmission connection and for vertically adjusting the upper rollers are respectively arranged between the corresponding upper rollers and the corresponding lower rollers of the machine frame; the outer peripheral wall of each lower roller is provided with a plurality of lower guide grooves at equal intervals along the corresponding same direction, the rack is uniformly provided with a plurality of lower guide strips which respectively penetrate through the upper ends of the lower guide grooves in the same direction of the lower rollers, the outer peripheral wall of each upper roller is provided with a plurality of upper guide grooves at equal intervals along the corresponding same direction, the rack is uniformly provided with a plurality of upper guide strips which respectively penetrate through the lower ends of the upper guide grooves in the same direction of the upper rollers, and the rack is provided with an upper guide strip adjusting device which is used for adjusting the heights of the upper guide strips above the upper guide strips; the machine frame is provided with an upper cutter holder above the lower cutter holder in an adjustable manner, and an upper scraper plate is arranged on the upper cutter holder.

2. The wood board processing putty scraping machine as recited in claim 1, characterized in that: and one end of each upper guide bar, which is close to the plate feeding conveying roller, is bent upwards.

3. The wood board processing putty scraping machine as recited in claim 1, characterized in that: the frame is being close to the position of advancing board conveying roller top is fixed and is provided with first mounting bracket, the below symmetry of first mounting bracket installs two pinch rollers.

4. The wood board processing putty scraping machine as recited in claim 3, characterized in that: the slip of symmetry is provided with two screw rods on the first mounting bracket, the upper end of screw rod is located first mounting bracket top is and be provided with rather than threaded connection's stop nut, the lower extreme of screw rod is located first mounting bracket below is and the fixed wheel seat that is provided with, the screw rod is located the wheel seat with position cover between the first mounting bracket is equipped with the pressure spring, two the pinch roller is rotatable respectively to be set up in two in the wheel seat.

5. The wood board processing putty scraping machine as recited in claim 1, characterized in that: each transmission adjusting device comprises a driving gear, one end of the middle shaft of each lower roller is arranged at the outer side of the rack, the middle shaft of each lower roller penetrates through the corresponding driving gear and then is rotatably connected with one end of a first crank arm, the other end of the first crank arm is hinged with one end of a second crank arm through a first rotating shaft, the first rotating shaft penetrates through the first crank arm and the second crank arm and then is sleeved with a first rotation bearing gear meshed with the driving gear, the middle part of the second crank arm is rotatably provided with a second rotating shaft, the second rotating shaft penetrates through the second crank arm and then is sleeved with a second rotation bearing gear matched with the first rotation bearing gear, the middle shaft of the upper roller penetrates through the corresponding long round hole and then one end of the upper roller is rotatably connected with the other end of the second crank arm, and the part of the middle shaft of the upper roller, which is arranged between the rack and the second crank arm, is provided with a driven gear matched with the second rotation bearing gear A plurality of first air cylinders which are in one-to-one correspondence with the second crank arms are arranged above the rack, and the telescopic ends of the first air cylinders penetrate through the top plate of the rack and then are fixedly connected with the upper ends of the corresponding second crank arms; the other end of the middle shaft of each upper roller is positioned at the outer side of the rack and is rotatably connected with the shaft sleeve, a plurality of second cylinders which are in one-to-one correspondence with the shaft sleeves are arranged above the rack, and the telescopic end of each second cylinder penetrates through the top plate of the rack and is fixedly connected with the upper end of the corresponding shaft sleeve.

6. The wood board processing putty scraping machine as recited in claim 5, characterized in that: the driving device comprises a driving motor arranged on the rack, the free end of a driving shaft of the driving motor corresponds to the other end of the middle shaft of the lower roller, a driving chain wheel is arranged on the driving shaft of the driving motor, a first driven chain wheel is arranged at the end part of the other end of the middle shaft of each lower roller, a second driven chain wheel is arranged at one end of the plate feeding conveying roller corresponding to the free end of the driving shaft of the driving motor, and a transmission chain is jointly arranged on the outer sides of the driving chain wheel, the first driven chain wheels and the second driven chain wheels.

7. The wood board processing putty scraping machine as recited in claim 6, characterized in that: two adjusting chain wheels are symmetrically arranged on the side portion of the rack, and the transmission chain penetrates around the two adjusting chain wheels.

8. The wood board processing putty scraping machine as recited in claim 4, characterized in that: the machine frame is characterized in that a second mounting frame is arranged above the lower cutter holder, a plurality of third cylinders are symmetrically arranged on the second mounting frame, and the telescopic end of each third cylinder penetrates through the second mounting frame and then is fixedly connected with the upper cutter holder.

9. The wood board processing putty scraper of claim 8, characterized in that: each upper guide bar comprises a first upper guide bar and a second upper guide bar, the width of an upper guide groove on each upper roller is matched with the width of the corresponding first upper guide bar or second upper guide bar, the two ends of the first upper guide bars are fixedly connected through two first connecting rods respectively, and the two ends of the second upper guide bars are fixedly connected through two second connecting rods respectively.

10. The wood board processing putty scraping machine as recited in claim 9, characterized in that: the upper guide bar lifting device comprises a third mounting frame arranged on the rack, the third mounting frame is fixedly arranged above the spacing positions of the first upper guide bars and the second upper guide bars, two vertical fourth cylinders are symmetrically arranged right above one first connecting rod at one side end of the third mounting frame, the telescopic ends of the two fourth cylinders are fixedly connected with the first connecting rod, two vertical fifth cylinders are symmetrically arranged right above one second connecting rod at the other side end of the third mounting frame, and the telescopic ends of the two fifth cylinders are fixedly connected with the second connecting rod; the first mounting frame is arranged on the other side, two vertical sixth cylinders are symmetrically arranged right above the first connecting rod, the telescopic ends of the sixth cylinders are fixedly connected with the first connecting rod, the second mounting frame is arranged on the other side, two vertical seventh cylinders are symmetrically arranged right above the second connecting rod, and the telescopic ends of the seventh cylinders are fixedly connected with the second connecting rod.