CN213766302U

CN213766302U - Four-edge trimmer for shaving board

Info

Publication number: CN213766302U
Application number: CN202021567883.1U
Authority: CN
Inventors: 程兴旺
Original assignee: Huaian Maoyuan Wood Industry Co ltd
Current assignee: Huaian Maoyuan Wood Industry Co ltd
Priority date: 2020-08-01
Filing date: 2020-08-01
Publication date: 2021-07-23
Anticipated expiration: 2030-08-01

Abstract

The utility model discloses a four sides bead cutter of shaving board, the top surface of frame is equipped with the sliding plate, the one end of frame is equipped with tip bead cutter A, the both sides of frame symmetry respectively are equipped with the side bead cutter, the other end of frame is equipped with tip bead cutter B, the lifter plate of activity about still being equipped with in the frame, tip bead cutter A and tip bead cutter B are respectively along perpendicular to frame length direction reciprocating motion, the top of frame, be located and be equipped with baffle device between side bead cutter and the lifter plate, the side bead cutter, tip bead cutter A and tip bead cutter B respective saw bit all are located towards the one end of frame. According to the structure, the utility model discloses a four sides edge cutter of shaving board, compact structure is small and exquisite to can realize cutting neat to four side borders of shaving board, improve equipment utilization and rate, and improve the efficiency that the shaving board was cut edge, save enterprise and use the ground space.

Description

Four-edge trimmer for shaving board

Technical Field

The utility model relates to a technical field of shaving board side cut production, concretely relates to four sides bead cutter of shaving board.

Background

The particle board is made up of wood particles, wood dust, hardening agent, water-proofing agent, adhesive, etc. through cutting wood particles, drying, mixing with adhesive, hardening agent and water-proofing agent, and pressing. The shaving board has good sound absorption and sound insulation performance; the interior of the box body is granular with a cross staggered structure, and the performances in all directions are basically the same; the surface is smooth, and various veneering can be carried out; in the production process, the glue consumption is small, and the environmental protection coefficient is relatively high. The use popularity of particle boards is very high.

The shaving board is produced by hot pressing the shaving pieces mixed with the glue solution through a hot pressing process in the production process. The edges of the existing shaving board formed by pressing are not neat, and four side edges of the shaving board need to be cut and aligned respectively, so that the shaving board meets the standard or meets the size requirement of a customer. However, the existing devices such as the plate edge cutting machine can only simultaneously cut the edges of the wood plates on two opposite sides at most, which requires at least two times of cutting, and after the shaving board is cut once, the shaving board needs to be rotated by 90 degrees and is adjusted to cut the edges of the two adjacent sides. In addition, some edge cutting machines with comprehensive functions can cut the edges of four sides of the shaving board, but the edge cutting machines are complex in structure, huge in submission and high in equipment cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the four-side edge cutting machine for the shaving board is compact and exquisite in structure, can cut the edges of four sides of the shaving board uniformly, improves the utilization rate of equipment, improves the edge cutting efficiency of the shaving board and saves the space used by enterprises; through the structure of the end edge trimmer and the side edge trimmer, the saw blade adjustment during edge trimming of shaving boards with different specifications can be realized, and the applicability of the utility model is improved; due to the arrangement of the negative pressure air suction area, the connection strength of the shaving board, the sliding board and the lifting board is improved, the shaving board is prevented from moving relative to the sliding board or the lifting board during edge cutting, and the edge cutting effect is guaranteed; when the sliding plate and the shaving board move relatively and are separated through the action of the swinging stop lever, the shaving board is ensured to be static relative to the horizontal position of the frame, the trimming quality of the edge of the last side of the shaving board is further ensured, and the size of the equipment is also relatively reduced.

The technical scheme adopted by the utility model is as follows:

the four-side edge cutter for shaving board includes one frame with sliding board on the top for reciprocating motion along the length direction of the frame, one end of the frame is provided with an end edge cutter A, two sides of the frame are respectively and symmetrically provided with a side edge cutter, the other end of the frame is provided with an end edge cutter B, a lifting plate which can move up and down is also arranged in the frame, when the lifting plate moves downwards to the maximum stroke position, the lifting plate is positioned below the sliding plate, when the lifting plate moves upwards to the maximum stroke position, the top surface of the lifting plate is higher than the top of the frame, the end edge cutters a and B reciprocate respectively in a direction perpendicular to the length of the frame, and a baffle device is arranged above the frame and between the side edge trimmer and the lifting plate, and saw blades of the side edge trimmer, the end edge trimmer A and the end edge trimmer B are respectively positioned at one end facing the frame.

The utility model discloses the further improvement is, the bottom fixedly connected with driving motor A of sliding plate, driving motor A's output shaft A stretches out from driving motor A both ends to output shaft A's tip is coaxial fixed with drive gear respectively, the rack at driving gear and frame top surface both sides pole top, the stopper A that is equipped with the sliding plate is fixed respectively at the both ends of frame, the both ends that correspond to the rack.

The utility model discloses a further improvement scheme is, tip bead cutter A moves along the horizontal track A perpendicular to frame length direction, one end of horizontal track A is equipped with driving motor B, driving motor B's output shaft B is connected with lead screw A transmission, lead screw A rotates to be connected in horizontal track A and is parallel with horizontal track A, horizontal track A's top surface is equipped with bar through-hole A along horizontal track A length direction, and nut pair A that matches the transmission with lead screw A passes bar through-hole A upwards and then is fixed with the bottom of tip bead cutter A; the end edge trimmer B moves along a horizontal track B perpendicular to the length direction of the frame, a driving motor C is arranged at one end of the horizontal track B, an output shaft C of the driving motor C is in transmission connection with a lead screw B, the lead screw B is rotatably connected in the horizontal track B and parallel to the horizontal track B, a strip-shaped through hole B is formed in the top surface of the horizontal track B along the length direction of the horizontal track B, and a nut pair B matched with the lead screw B in transmission upwards penetrates through the strip-shaped through hole B and then is fixed with the bottom of the end edge trimmer B.

The utility model discloses further improve the scheme and be, stopper B that horizontal track A and horizontal track B's top both ends difference fixedly connected with tip bead cutter A and tip bead cutter B correspond.

The utility model discloses a further improvement is, side bead cutter, tip bead cutter A and tip bead cutter B's bottom is equipped with the base plate respectively, the base plate top surface is fixed in the side cut motor through the supporting seat, the output shaft D of side cut motor stretches out towards the frame to output shaft D and the coaxial fixed of saw bit that corresponds.

The utility model discloses a further improvement is, the one end upper portion that the side cut motor is located the saw bit is fixed with the dust cover, the saw bit is located the dust cover, the top of dust cover, the position department corresponding to the saw bit are equipped with the intercommunication mouth with dust collector intercommunication.

The utility model discloses further improve the scheme and be, the below of base plate is rotated and is connected with lead screw C, the base plate is equipped with the bar through-hole C parallel with side cut motor axle center, and it is fixed with the bottom of supporting seat to match driven nut pair C with lead screw C upwards to pass bar through-hole C, lead screw C is fixed with the axle center after stretching out the base plate back to the one end of frame soon and twists the head.

The utility model discloses further improve the scheme and be, swing joint about the pneumatic cylinder is passed through to the bottom of lifter plate, the pneumatic cylinder is fixed with the frame, and the hydraulic stem tip of pneumatic cylinder upwards stretches out behind the pneumatic cylinder fixed with the lifter plate bottom.

The utility model has the further improvement scheme that a plurality of negative pressure air suction areas A are uniformly arranged on the top surface of the sliding plate, and the air suction areas A extend along the moving direction of the sliding plate; a plurality of negative pressure air suction areas B are uniformly arranged on the top surface of the lifting plate, and extend along the direction vertical to the moving direction of the sliding plate; and a plurality of air suction holes communicated with the vacuumizing device are uniformly distributed in the negative pressure air suction area A and the negative pressure air suction area B.

The utility model discloses a further improvement is, retaining device includes the horizontal longmen frame of locating the frame of striding, longmen frame face is fixed with the pole setting downwards to one side of lifter plate, the pole setting is connected with swing shelves pole dorsad to the bottom swing of lifter plate one side, the one end and the pole setting swing of swing shelves pole are connected, the other end are the free end, the middle part of pole setting is passed through the cylinder and is connected with the pole setting, the cylinder is connected with the pole setting swing, the telescopic link tip of cylinder is connected with swing shelves pole after stretching out towards swing shelves pole, the top fixedly connected with of lifter plate one side dorsad of pole setting and the sliding sleeve that the horizontal pole of dragon door frame matches, the top of sliding sleeve is passed through locking bolt and is fixed with the horizontal pole of dragon door frame.

The utility model has the further improvement scheme that when the telescopic rod returns to the cylinder to the maximum stroke, the lowest position of the swing stop lever is higher than the top surface of the shaving board on the sliding board; when the telescopic rod extends out of the cylinder to the maximum stroke position, the lowest position of the swing stop lever is higher than the sliding plate and lower than the top surface of the shaving board on the sliding plate.

The beneficial effects of the utility model reside in that:

first, the utility model discloses a four sides bead cutter of shaving board, compact structure is small and exquisite to can realize cutting neat to four side borders of shaving board, improve equipment utilization and rate, and improve the efficiency that the shaving board was cut edge, save enterprise and use the ground space.

Second, the utility model discloses a four sides bead cutter of shaving board, through the structure of tip bead cutter and side bead cutter, the saw bit when can realize cutting edge different specification shaving boards is adjusted, has improved the utility model discloses an adaptability.

Third, the utility model discloses a four sides bead cutter of shaving board through the negative pressure regional setting of breathing in, has improved the joint strength of shaving board and sliding plate and lifter plate, avoids the shaving board to take place to remove relative sliding plate or lifter plate when cutting edge, has guaranteed the side cut effect.

Fourth, the utility model discloses a four sides bead cutter of shaving board when the effect through swing shelves pole can make sliding plate and shaving board relative movement separate, guarantees that the horizontal position of the relative frame of shaving board is static, and then has guaranteed the side cut quality at the last side border of shaving board, has also reduced the size of equipment relatively in addition.

Description of the drawings:

fig. 1 is a schematic top view of the starting position of the present invention.

Fig. 2 is a schematic top view of the utility model when cutting one side edge.

Fig. 3 is a schematic top view of the utility model when the edges of the two sides are cut.

Fig. 4 is a schematic top view of the present invention after cutting the edges of the two sides.

Fig. 5 is a schematic top view of the present invention after cutting the edges of the two sides.

Fig. 6 is a schematic top view of the present invention cutting the edge of the last side.

The specific implementation mode is as follows:

as can be seen from fig. 1 to 6, the four-side edge trimmer of the particle board of the present invention comprises a frame 1, wherein a sliding plate 2 is disposed on the top surface of the frame 1 and reciprocates along the length direction of the frame 1, an end edge trimmer A3 is disposed at one end of the frame 1, side edge trimmers 4 are symmetrically disposed at two sides of the frame 1, respectively, an end edge trimmer B6 is disposed at the other end of the frame 1, a lifting plate 5 is disposed in the frame 1 and moves up and down, when the lifting plate 5 moves down to the maximum stroke, the lifting plate 5 is disposed below the sliding plate 2, when the lifting plate 5 moves up to the maximum stroke, the top surface of the lifting plate 5 is higher than the top of the frame 1, the end edge trimmer A3 and the end edge trimmer B6 reciprocate along the length direction perpendicular to the frame 1, respectively, a baffle device is disposed above the frame 1 and between the side edge trimmers 4 and the lifting plate 5, the saw blades 24 of the side edge cutters 4, end edge cutters a3 and end edge cutters B6 are located at the end facing the frame 1.

The bottom of the sliding plate 2 is fixedly connected with a driving motor A, an output shaft A of the driving motor A extends out from two ends of the driving motor A, the end parts of the output shaft A are respectively and coaxially fixed with a transmission gear, the transmission gear and the rack 8 at the top of two side rods on the top surface of the frame 1, and two ends of the frame 1, corresponding to two ends of the rack 8, are respectively and fixedly provided with a limiting block A12 of the sliding plate 2.

The end edge cutting machine A3 moves along a horizontal track A9 perpendicular to the length direction of the frame 1, one end of the horizontal track A9 is provided with a driving motor B19, an output shaft B of the driving motor B19 is in transmission connection with a screw rod A, the screw rod A is rotatably connected in the horizontal track A9 and is parallel to the horizontal track A9, the top surface of the horizontal track A9 is provided with a strip-shaped through hole A20 along the length direction of the horizontal track A9, and a nut pair A matched with the screw rod A in transmission upwards penetrates through the strip-shaped through hole A20 and then is fixed with the bottom of the end edge cutting machine A3; the end edge cutting machine B6 moves along the horizontal track B10 perpendicular to the length direction of the frame 1, one end of the horizontal track B10 is provided with a driving motor C22, an output shaft C of the driving motor C22 is in transmission connection with a lead screw B, the lead screw B is rotatably connected in the horizontal track B10 and parallel to the horizontal track B10, a strip-shaped through hole B23 is formed in the top surface of the horizontal track B10 along the length direction of the horizontal track B10, and a nut pair B matched with the lead screw B in transmission upwards penetrates through the strip-shaped through hole B23 and then is fixed to the bottom of the end edge cutting machine B6.

And two ends of the top of the horizontal rail A9 and the top of the horizontal rail B10 are respectively and fixedly connected with a limiting block B21 corresponding to the end edge cutter A3 and the end edge cutter B6.

The bottom of side edge cutter 4, tip bead cutter A3 and tip bead cutter B6 is equipped with the base plate respectively, the base plate top surface is fixed in side cut motor 25 through supporting seat 28, the output shaft D of side cut motor 25 stretches out towards frame 1 to output shaft D and the coaxial fixed of saw bit 24 that corresponds.

A dust cover 26 is fixed on the upper part of one end of the trimming motor 25, which is positioned on the saw blade 24, the saw blade 24 is positioned in the dust cover 26, and a communication port 27 communicated with a dust removing device is arranged at the top of the dust cover 26 and at the position corresponding to the saw blade 24.

The below of base plate is rotated and is connected with lead screw C29, the base plate is equipped with the bar through-hole C parallel with the axle center of side cut motor 25, and it is fixed with the bottom of supporting seat 28 to upwards pass bar through-hole C with the vice C of nut that lead screw C29 matches the transmission, lead screw C29 is fixed with the axle center after stretching out the base plate with the one end of frame 1 soon.

The bottom of the lifting plate 5 is movably connected with the frame 1 up and down through a hydraulic cylinder, and the end part of a hydraulic rod of the hydraulic cylinder extends upwards out of the hydraulic cylinder and then is fixed with the bottom of the lifting plate 5.

The top surface of the sliding plate 2 is uniformly provided with a plurality of negative pressure suction areas A13, and the suction areas A13 all extend along the moving direction of the sliding plate 2; a plurality of negative pressure suction areas B14 are uniformly arranged on the top surface of the lifting plate 5, and the negative pressure suction areas B14 extend along the direction perpendicular to the moving direction of the sliding plate 2; the negative pressure air suction area A13 and the negative pressure air suction area B14 are uniformly distributed with a plurality of air suction holes communicated with a vacuum extractor.

The baffle device comprises a gantry frame 11 transversely arranged on the frame 1 in a spanning mode, a vertical rod 15 is downwards fixed on one side, facing the lifting plate 5, of the gantry frame 11, a swinging blocking rod 7 is connected to the bottom end, facing away from the lifting plate 5, of the vertical rod 15 in a swinging mode, one end of the swinging blocking rod 7 is connected with the vertical rod 15 in a swinging mode, the other end of the swinging blocking rod 7 is a free end, the middle of the vertical rod 15 is connected with the vertical rod 15 through a cylinder 18, the cylinder 18 is connected with the vertical rod 15 in a swinging mode, the end portion of a telescopic rod of the cylinder 18 extends out of the swinging blocking rod 7 and then is connected with the swinging blocking rod 7, a sliding sleeve 16 matched with a cross rod of the gantry frame 11 is fixedly connected to the top, facing away from the lifting plate 5, of the sliding sleeve 16 is fixed with the cross rod of the gantry frame 11 through a locking bolt 17.

When the telescopic rod retracts to the cylinder 18 to the maximum stroke, the lowest position of the swing stop lever 7 is higher than the top surface of the shaving board on the sliding plate 2; when the telescopic rod extends out of the cylinder 18 to the maximum stroke, the lowest position of the swing gear 7 is higher than the sliding plate 2 and lower than the top surface of the shaving board on the sliding plate 2.

When the shaving board cutting machine is used, firstly, a shaving board which is subjected to hot press forming and then is cooled is placed on the sliding plate 2, then, the air suction hole of the negative pressure air suction area A13 of the sliding plate 2 is started, the driving motor A drives the sliding plate 2 to move to the side of the end edge trimmer A3 to the maximum stroke position, then, the saw blade 24 of the end edge trimmer A3 is adjusted through the screwing head of the end edge trimmer A3, the saw blade 24 of the end edge trimmer A3 can cut one side of the opposite side of the shaving board on the sliding plate 2 to be aligned and relatively free of waste materials, then, the driving edge trimmer motor 25 and the driving motor B19 of the end edge trimmer A3 are started, the end edge trimmer A3 is made to move along the track A9, and the edge of one side of the shaving board, which faces the end edge trimmer A3, is cut to be aligned; then respectively adjusting the saw blade 24 of the side edge cutter 4 through the screwing head of the side edge cutter 4 to enable the saw blade 24 of the side edge cutter 4 to cut the side of the opposite side of the shaving board on the sliding plate 2 to be even and relatively least waste; then, simultaneously starting the saw blade 24 of the side edge cutter 4, retracting the telescopic rod to the maximum stroke position of the cylinder 18, driving the sliding plate 2 and the shaving board on the sliding plate 2 to move towards one side of the end edge cutter B6 by the driving motor A, and driving the end edge cutter 3 to return to the initial position by the driving motor B19; when two sides of the shaving board on the sliding plate 2 pass through the side edge trimmer 4, the side edge trimmer 4 respectively trims the two sides of the shaving board on the sliding plate 2; when the sliding plate 2 moves to the maximum stroke position facing the end edge cutter B6, the air cylinder 18 controls the telescopic rod to extend out of the air cylinder 18 to the maximum stroke position and drives the swing stop lever 7 to swing downwards to the maximum stroke position, the air suction hole of the negative pressure air suction area A13 of the sliding plate 2 is closed, then the driving motor A drives the sliding plate 2 to move to the maximum stroke position facing the end edge cutter A3 side again, so that the shaving board on the sliding plate 2 is stopped by the swing stop lever 7 and moves relative to the sliding plate 2, and finally the shaving board falls onto the frame 1 right above the lifting plate 5; after the sliding plate 2 returns to the initial position, the actions can be repeated to carry out edge cutting operation on the next shaving board; meanwhile, starting the air suction holes of the negative pressure air suction area B14 of the lifting plate 5, moving upwards to be in contact with the bottom surface of the shaving board under the action of a hydraulic cylinder, and continuously ascending to move to the maximum stroke; then adjusting the saw blade 24 of the end edge cutter B6 by the screw head of the end edge cutter B6 to make the saw blade 24 of the end edge cutter B6 cut the opposite side of the chipboard on the elevator plate 5 to be aligned and relatively the least scrap, and then starting the driving edge cutter motor 25 and the driving motor C22 of the end edge cutter B6 to make the end edge cutter B6 move along the track B10 to cut the edge of the chipboard facing the end edge cutter B6 to be aligned; finally, closing the air suction holes of the negative pressure air suction area B14 of the lifting plate 5, and taking down the shaving board with the four edges trimmed from the lifting plate 5; then the hydraulic rod retreats to the hydraulic cylinder to the maximum stroke position, so that the lifting plate 5 moves downwards to the maximum stroke position, and the driving motor C22 drives the end edge cutter B6 to move to the initial position along the track B10; the telescopic rod retreats to the cylinder to the maximum stroke position to drive the swinging gear lever 7 to swing upwards to the maximum stroke position; the above-described operation is repeated.

Claims

1. Four sides bead cutter of shaving board, its characterized in that: the cutting device comprises a frame (1), wherein a sliding plate (2) which can reciprocate along the length direction of the frame (1) is arranged on the top surface of the frame (1), an end edge cutter A (3) is arranged at one end of the frame (1), side edge cutters (4) are respectively and symmetrically arranged on two sides of the frame (1), an end edge cutter B (6) is arranged at the other end of the frame (1), a lifting plate (5) which can move up and down is further arranged in the frame (1), when the lifting plate (5) moves down to the maximum stroke position, the lifting plate (5) is positioned below the sliding plate (2), when the lifting plate (5) moves up to the maximum stroke position, the top surface of the lifting plate (5) is higher than the top of the frame (1), the end edge cutter A (3) and the end edge cutter B (6) respectively reciprocate along the length direction vertical to the frame (1), the edge trimmer is characterized in that a baffle device is arranged above the frame (1) and between the side edge trimmer (4) and the lifting plate (5), and saw blades (24) of the side edge trimmer (4), the end edge trimmer A (3) and the end edge trimmer B (6) are located at one end facing the frame (1).

2. A four-side edge trimmer for particle boards as claimed in claim 1 wherein: the bottom of the sliding plate (2) is fixedly connected with a driving motor A, an output shaft A of the driving motor A extends out of two ends of the driving motor A, transmission gears are coaxially fixed at the end parts of the output shaft A respectively, the transmission gears and racks (8) at the tops of two side rods on the top surface of the frame (1), and limiting blocks A (12) of the sliding plate (2) are fixedly arranged at two ends of the frame (1) and two ends corresponding to the racks (8) respectively.

3. A four-side edge trimmer for particle boards as claimed in claim 1 wherein: the end edge trimmer A (3) moves along a horizontal rail A (9) perpendicular to the length direction of the frame (1), a driving motor B (19) is arranged at one end of the horizontal rail A (9), an output shaft B of the driving motor B (19) is in transmission connection with a screw rod A, the screw rod A is rotatably connected in the horizontal rail A (9) and is parallel to the horizontal rail A (9), a strip-shaped through hole A (20) is formed in the top surface of the horizontal rail A (9) along the length direction of the horizontal rail A (9), and a nut pair A matched with the screw rod A in transmission penetrates through the strip-shaped through hole A (20) upwards and then is fixed with the bottom of the end edge trimmer A (3); the utility model discloses a terminal part bead cutter, including tip bead cutter B (6), horizontal track B (10) removal along perpendicular to frame (1) length direction, the one end of horizontal track B (10) is equipped with driving motor C (22), the output shaft C and the lead screw B transmission of driving motor C (22) are connected, lead screw B rotates to be connected in horizontal track B (10) and parallel with horizontal track B (10), the top surface of horizontal track B (10) is equipped with bar through-hole B (23) along horizontal track B (10) length direction, with lead screw B match driven nut vice B upwards pass behind bar through-hole B (23) with the bottom of tip bead cutter B (6) is fixed.

4. A four-side edge trimmer for particle boards as claimed in claim 3 wherein: and two ends of the top of the horizontal track A (9) and the top of the horizontal track B (10) are respectively and fixedly connected with a limiting block B (21) corresponding to the end edge trimmer A (3) and the end edge trimmer B (6).

5. A four-side edge trimmer for particle boards as claimed in claim 1 wherein: the bottom of side edge cutter (4), tip bead cutter A (3) and tip bead cutter B (6) is equipped with the base plate respectively, the base plate top surface is fixed in side cut motor (25) through supporting seat (28), the output shaft D of side cut motor (25) stretches out towards frame (1) to output shaft D and saw bit (24) coaxial fixed that correspond.

6. A four-side edge trimmer for particle boards as claimed in claim 5 wherein: the cutting edge motor (25) is located the one end upper portion of saw bit (24) and is fixed with dust cover (26), saw bit (24) are located dust cover (26), the top of dust cover (26), the position department that corresponds to saw bit (24) is equipped with the intercommunication mouth (27) with dust collector intercommunication.

7. A four-side edge trimmer for particle boards as claimed in claim 5 wherein: the lower part of the base plate is rotatably connected with a lead screw C (29), the base plate is provided with a strip-shaped through hole C parallel to the axis of the trimming motor (25), a nut pair C matched with the lead screw C (29) for transmission upwards penetrates through the strip-shaped through hole C and is fixed with the bottom of the supporting seat (28), and one end of the lead screw C (29), which faces away from the frame (1), extends out of the base plate and is fixed with a screwing head with the axis.

8. A four-side edge trimmer for particle boards as claimed in claim 1 wherein: the bottom of the lifting plate (5) is movably connected with the frame (1) up and down through a hydraulic cylinder, and the end part of a hydraulic rod of the hydraulic cylinder extends upwards out of the hydraulic cylinder and then is fixed with the bottom of the lifting plate (5).

9. A four-side edge trimmer for particle boards as claimed in claim 1 wherein: the top surface of the sliding plate (2) is uniformly provided with a plurality of negative pressure air suction areas A (13), and the air suction areas A (13) extend along the moving direction of the sliding plate (2); a plurality of negative pressure air suction areas B (14) are uniformly arranged on the top surface of the lifting plate (5), and the negative pressure air suction areas B (14) extend along the direction vertical to the moving direction of the sliding plate (2); the negative pressure air suction area A (13) and the negative pressure air suction area B (14) are uniformly distributed with a plurality of air suction holes communicated with a vacuum pumping device.

10. A four-side edge trimmer for particle boards as claimed in claim 1 wherein: the baffle device comprises a gantry frame (11) transversely arranged on the frame (1) in a spanning manner, a vertical rod (15) is fixed on one side of the gantry frame (11) facing the lifting plate (5) downwards, the bottom end of one side of the upright rod (15) back to the lifting plate (5) is connected with a swing stop lever (7) in a swinging way, one end of the swing gear lever (7) is connected with the upright rod (15) in a swing way, the other end is a free end, the middle part of the upright rod (15) is connected with the upright rod (15) through a cylinder (18), the cylinder (18) is connected with the upright rod (15) in a swinging way, the end part of the telescopic rod of the cylinder (18) extends out towards the swinging gear lever (7) and then is connected with the swinging gear lever (7), the top of one side of the upright rod (15) back to the lifting plate (5) is fixedly connected with a sliding sleeve (16) matched with the cross rod of the gantry frame (11), the top of the sliding sleeve (16) is fixed with a cross bar of the gantry frame (11) through a locking bolt (17).