CN111267185A

CN111267185A - Use convenient environment-friendly woodworking planer

Info

Publication number: CN111267185A
Application number: CN202010182606.7A
Authority: CN
Inventors: 夏士桀
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-06-12

Abstract

The invention relates to an environment-friendly woodworking planer convenient to use, which comprises a main body, a platform, a planing device, a pushing mechanism and a dust removing mechanism, the pushing mechanism comprises a bracket, a driving shaft, a roller, a driving assembly, a lifting rod, two supporting rods, two supporting sleeves, two springs and at least two raised lines, the dust removal mechanism comprises an air pumping cylinder, a screw rod, a ball screw bearing, a piston block, a transmission rod, an air pumping pipe, an exhaust pipe, a first one-way valve, a second one-way valve, a generator and two mounting bearings, the driving assembly comprises a motor, a driving wheel, a driven wheel and a transmission belt, in the environment-friendly wood planing machine convenient to use, the pushing mechanism can push the wood board to automatically move, so that the convenience of the use of the planing machine is improved, the wood chips generated during the production of the planer can be collected through the dust removal mechanism, so that the environmental protection performance of the planer is improved.

Description

Use convenient environment-friendly woodworking planer

Technical Field

The invention relates to the field of wood processing equipment, in particular to an environment-friendly wood planing machine convenient to use.

Background

A planer is a machine tool that uses a planer tool to plane a surface, groove, or formed surface of a workpiece. The planer is to make the cutter and the workpiece produce relative linear reciprocating motion to reach the aim of planing the surface of the workpiece. The reciprocating motion is the main motion on the planer. The machine tool has, in addition to the main movement, an auxiliary movement, also called a feed movement, the feed movement of the planer being an intermittent movement of the table. The planer can plane horizontal plane, vertical plane, inclined plane, curved plane, stepped plane, dovetail-shaped workpiece, T-shaped groove, V-shaped groove, hole, gear, rack, etc.

Prior art's planer needs operating personnel to push down the plank manually and promote the plank to remove when processing the plank, has reduced the convenient degree that the planer used, and so on, prior art's planer can produce a large amount of saw-dusts when using, and the saw-dust scatters to the air in, can cause the pollution to the air, has reduced the feature of environmental protection of planer.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the environment-friendly wood planing machine convenient to use is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: an environment-friendly woodworking planer convenient to use comprises a main body, a platform and a planing device, wherein the platform is mounted at the top of the main body, the planing device is mounted in the middle of the platform, a cavity is formed in the main body, the planing device is communicated with the interior of the main body, the environment-friendly woodworking planer further comprises a pushing mechanism and a dust removing mechanism, the pushing mechanism is mounted on one side of the platform, the dust removing mechanism is mounted on the main body, and the pushing mechanism is connected with the dust removing mechanism;

the pushing mechanism comprises a support, a driving shaft, a roller, a driving assembly, a lifting rod, two supporting rods, two supporting sleeves, two springs and at least two convex strips, wherein the axis of each supporting sleeve is perpendicular to the plane of the platform, the supporting sleeves are fixedly connected with one sides of the platform, the supporting rods and the supporting sleeves are coaxially arranged, the supporting rods penetrate through the supporting sleeves and are in sliding connection with the supporting sleeves, the two ends of the lifting rod are respectively fixedly connected with the bottom ends of the two supporting rods, the two ends of the support are respectively fixedly connected with the top ends of the two supporting rods, the driving shaft is perpendicular to the supporting rods and the support, one end of the driving shaft is provided with a fixed bearing, one end of the driving shaft is fixedly connected with the middle of the support through the fixed bearing, the roller and the driving shaft are coaxially arranged, the roller is arranged on one side, far away from, the roller is arranged on the driving shaft, the driving assembly is arranged on the bracket and connected with the driving shaft, the raised lines are parallel to the axis of the roller, the raised lines are uniformly arranged on the periphery of the roller around the circumference of the axis of the roller, the two springs are respectively sleeved on the two supporting rods, the supporting sleeve is fixedly connected with the lifting rod through the springs, and the springs are in a compressed state;

the dust removal mechanism comprises an air pumping cylinder, a screw rod, a ball screw bearing, a piston block, a transmission rod, an air pumping pipe, an exhaust pipe, a first one-way valve, a second one-way valve, a generator and two mounting bearings, wherein the axis of the air pumping cylinder is parallel to the lifting rod, the air pumping cylinder is fixedly connected with the main body, one ends of the air pumping pipe and the exhaust pipe are both communicated with one end of the air pumping cylinder, the other end of the air pumping pipe is communicated with the inside of the main body, the first one-way valve is mounted on the exhaust pipe, the second one-way valve is mounted on the air pumping pipe, the piston block is arranged inside the air pumping cylinder, the piston block is connected with the air pumping cylinder in a sliding and sealing manner, the ball screw bearing is mounted at the other end of the air pumping cylinder, the screw rod and the air pumping cylinder are coaxially arranged, the ball screw bearing is mounted on, the outer ring of one of the mounting bearings is fixedly connected with the piston block, the outer ring of the other mounting bearing is hinged with the lifting rod through the transmission rod, the generator is fixedly connected with the outer ring of the other mounting bearing, and the generator is in transmission connection with the screw rod.

Preferably, in order to improve the automation degree of the planer, the main body is provided with a control box, the control box is internally provided with a PLC (programmable logic controller), the control box is provided with a display screen and at least two control keys, and the display screen and the control keys are electrically connected with the PLC.

Preferably, in order to provide power for the roller, the driving assembly comprises a motor, a driving wheel, a driven wheel and a transmission belt, the driven wheel is fixedly connected with one end of the driving shaft, the motor is fixedly connected with the bracket, the motor is in transmission connection with the driving wheel, and the driving wheel is in transmission connection with the driven wheel through the transmission belt.

Preferably, in order to improve the stability of the connection between the driving wheel and the driven wheel and the transmission belt, annular grooves are formed in the peripheries of the driving wheel and the driven wheel, and the transmission belt is arranged inside the annular grooves.

Preferably, the motor is a servo motor in order to improve the accuracy of the rotational speed control of the drum.

Preferably, in order to improve the sealing effect between the pumping cylinder and the piston block, the inner wall of the pumping cylinder is coated with sealing grease.

Preferably, the screw is coated with grease in order to slow down wear of the screw.

Preferably, in order to improve the dustproof performance of the air pumping cylinder, a filter screen is arranged inside the air pumping pipe.

Preferably, in order to improve the smoothness of the movement of the wood board, at least two balls are uniformly distributed on one side of the platform, which is far away from the main body, and the top ends of the balls and the top end of the slicing device are in the same plane.

Preferably, the material for making the convex strip is rubber in order to increase the friction between the convex strip and the wood board.

The environment-friendly woodworking planer convenient to use has the advantages that the wood board can be pushed to automatically move through the pushing mechanism, the using convenience of the planer is improved, compared with the existing pushing mechanism, the pushing mechanism does not need manual pushing of operators, the probability that operating personnel are cut by a planing device is reduced, the safety of the planer is improved, and besides, sawdust generated in production of the planer can be collected through the dust removing mechanism, the environment-friendly performance of the planer is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of an environment-friendly woodworking planer of the present invention;

FIG. 2 is a schematic view of an installation structure of the environment-friendly woodworking planer convenient and fast to use according to the present invention;

FIG. 3 is a schematic view of the pushing mechanism of the portable environmental protection woodworking planer of the present invention;

FIG. 4 is a schematic structural diagram of a dust removing mechanism of the portable environmental protection type woodworking planer of the present invention;

in the figure: 1. the automatic cutting machine comprises a platform, 2. a support rod, 3. a bracket, 4. a roller, 5. an air suction cylinder, 6. a transmission rod, 7. a lifting rod, 8. a spring, 9. a ball, 10. a slicing device, 11. a motor, 12. a driving wheel, 13. a transmission belt, 14. a convex strip, 15. a driven wheel, 16. a driving shaft, 17. an exhaust pipe, 18. a first one-way valve, 19. a piston block, 20. a screw rod, 21. a ball screw bearing, 22. a generator, 23. a mounting bearing, 24. a second one-way valve, 25. an air suction pipe, 26. a support sleeve and 27. a main body.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, an environment-friendly woodworking planer convenient to use comprises a main body 27, a platform 1 and a planing device 10, wherein the platform 1 is installed at the top of the main body 27, the planing device 10 is installed in the middle of the platform 1, a cavity is arranged inside the main body 27, the planing device 10 is communicated with the inside of the main body 27, the environment-friendly woodworking planer further comprises a pushing mechanism and a dust removing mechanism, the pushing mechanism is installed on one side of the platform 1, the dust removing mechanism is installed on the main body 27, and the pushing mechanism is connected with the dust removing mechanism;

the pushing mechanism can push the wood board to automatically move, so that the using convenience of the planer is improved, and besides, the dust removing mechanism can collect sawdust generated in the production process of the planer, so that the environmental protection performance of the planer is improved;

as shown in fig. 2, the pushing mechanism includes a support 3, a driving shaft 16, a roller 4, a driving assembly, a lifting rod 7, two supporting rods 2, two supporting sleeves 26, two springs 8 and at least two protruding strips 14, wherein an axis of the supporting sleeve 26 is perpendicular to a plane of the platform 1, the supporting sleeve 26 is fixedly connected to one side of the platform 1, the supporting rods 2 and the supporting sleeves 26 are coaxially arranged, the supporting rods 2 penetrate through the supporting sleeves 26, the supporting rods 2 are slidably connected to the supporting sleeves 26, two ends of the lifting rod 7 are respectively fixedly connected to bottom ends of the two supporting rods 2, two ends of the support 3 are respectively fixedly connected to top ends of the two supporting rods 2, the driving shaft 16 is perpendicular to the supporting rods 2 and the support 3, one end of the driving shaft 16 is provided with a fixed bearing, one end of the driving shaft 16 is fixedly connected to a middle portion of the support 3 through the fixed bearing, the roller 4 and the driving shaft 16 are coaxially arranged, the roller 4 is arranged on one side of the re-slicing device 10 far away from the main body 27, the roller 4 is installed on the driving shaft 16, the driving assembly is arranged on the bracket 3 and connected with the driving shaft 16, the raised lines 14 are parallel to the axis of the roller 4, each raised line 14 is uniformly arranged on the periphery of the roller 4 around the axis of the roller 4 in the circumferential direction, the two springs 8 are respectively sleeved on the two supporting rods 2, the supporting sleeve 26 is fixedly connected with the lifting rod 7 through the springs 8, and the springs 8 are in a compressed state;

under the supporting action of the supporting sleeve 26, the stability of the bracket 3 is improved through the supporting rod 2, the stability of the roller 4 is further improved through the driving shaft 16, an operator sends the wood board between the roller 4 and the platform 1, the driving assembly provides power, the driving shaft 16 drives the roller 4 to rotate, the wood board moves along the platform 1 under the action of the friction force between the roller 4 and the wood board, the automatic propulsion of the wood board is realized, the use convenience of the planer is improved, at the same time, under the action of the elastic force of the spring 8, the roller 4 is driven by the support rod 2 to move downwards along the support sleeve 26, the friction force between the roller 4 and the wood board is increased, the probability of slippage between the roller 4 and the wood board is reduced, meanwhile, a downward pressure can be applied to the wood board, so that the planing device 10 can process the wood board, and the practicability of the planing machine is improved;

as shown in fig. 4, the dust removing mechanism comprises an air extracting cylinder 5, a screw rod 20, a ball screw bearing 21, a piston block 19, a transmission rod 6, an air extracting pipe 25, an exhaust pipe 17, a first one-way valve 18, a second one-way valve 24, a generator 22 and two mounting bearings 23, wherein the axis of the air extracting cylinder 5 is parallel to the lifting rod 7, the air extracting cylinder 5 is fixedly connected with a main body 27, one end of the air extracting cylinder 25 and one end of the exhaust pipe 17 are both communicated with one end of the air extracting cylinder 5, the other end of the air extracting cylinder 25 is communicated with the inside of the main body 27, the first one-way valve 18 is mounted on the exhaust pipe 17, the second one-way valve 24 is mounted on the air extracting cylinder 25, the piston block 19 is arranged inside the air extracting cylinder 5, the piston block 19 is connected with the air extracting cylinder 5 in a sliding and sealing manner, the ball screw bearing 21 is mounted on the other end of the, the ball screw bearings 21 are arranged on the screw rod 20, the inner rings of the two mounting bearings 23 are respectively and fixedly connected with the two ends of the screw rod 20, the outer ring of one mounting bearing 23 is fixedly connected with the piston block 19, the outer ring of the other mounting bearing 23 is hinged with the lifting rod 7 through the transmission rod 6, the generator 22 is fixedly connected with the outer ring of the other mounting bearing 23, and the generator 22 is in transmission connection with the screw rod 20;

when the roller 4 pushes the wood board to move, the roller 4 moves up and down in a reciprocating manner through the action of the lugs 14, and then the lifting rod 7 is lifted, under the transmission action of the transmission rod 6, the lifting rod 7 drives the screw rod 20 to move in a reciprocating manner, the screw rod 20 drives the piston block 19 to move in a reciprocating manner in the air extraction cylinder 5, when the piston block 19 moves in a direction close to the screw rod 20, the second one-way valve 24 is opened, the first one-way valve 18 is closed, air in the main body 27 is extracted into the air extraction cylinder 5 through the air extraction pipe 25, when the piston block 19 moves in a direction far away from the screw rod 20, the second one-way valve 24 is closed, the first one-way valve 18 is opened, air in the air extraction cylinder 5 is exhausted through the exhaust pipe 17, through the reciprocating movement of the piston block 19, the air in the main body 27 can be continuously extracted, the air pressure in the main body 27 is reduced, and wood chips are sucked into the main body, realized the collection to the saw-dust, improved the feature of environmental protection of planer, improved lead screw 20's stability through installation bearing 23, when lead screw 20 removed, through ball bearing 21 drive lead screw 20 and rotate, then through the operation of lead screw 20 drive generator 22, through generator 22 production electric energy, later with the use of electric energy supply planer, improved the energy-conserving performance of planer.

Preferably, in order to improve the automation degree of the planer, the main body 27 is provided with a control box, a PLC is arranged in the control box, the control box is provided with a display screen and at least two control keys, and the display screen and each control key are electrically connected with the PLC;

the PLC is a programmable logic controller, it adopts a kind of programmable memory, it is used for its internal storage program, implement logic operation, sequence control, timing, counting and arithmetic operation, etc. and control various kinds of machinery or production process by digital or analog input/output, it is a computer specially used for industrial control, its hardware structure is basically the same as microcomputer, generally used for the processing of data and receiving and outputting of the order, used for realizing central control, the operator sends the control signal to PLC through the control key, then control the operation of planer through PLC, can show the working condition of planer through the display screen at the same time, then has improved the degree of automation of planer.

As shown in fig. 3, the driving assembly includes a motor 11, a driving wheel 12, a driven wheel 15 and a transmission belt 13, the driven wheel 15 is fixedly connected with one end of a driving shaft 16, the motor 11 is fixedly connected with the bracket 3, the motor 11 is in transmission connection with the driving wheel 12, and the driving wheel 12 is in transmission connection with the driven wheel 15 through the transmission belt 13;

the driving wheel 12 is driven by the motor 11 to rotate, the driven wheel 15 is driven by the driving wheel 12 to rotate under the transmission action of the transmission belt 13, and the driving shaft 16 is driven by the driven wheel 15 to rotate.

Preferably, in order to improve the stability of the connection between the driving wheel 12 and the driven wheel 15 and the transmission belt 13, annular grooves are formed on the outer peripheries of the driving wheel 12 and the driven wheel 15, and the transmission belt 13 is arranged inside the annular grooves;

through the limiting effect of the annular groove, the probability that the driving belt 13 is separated from the driving wheel 12 and the driven wheel 13 is reduced, and the stability of connection between the driving wheel 12 and the driven wheel 15 and the driving belt 13 is improved.

Preferably, the motor 11 is a servo motor in order to improve the accuracy of the control of the rotation speed of the drum 4.

Preferably, in order to improve the sealing effect between the pumping cylinder 5 and the piston block 19, the inner wall of the pumping cylinder 5 is coated with sealing grease;

the clearance between the air extracting cylinder 5 and the piston block 19 is reduced through the sealing grease, and the sealing effect between the air extracting cylinder 5 and the piston block 19 is improved.

Preferably, in order to slow down the wear of the screw rod 20, the screw rod 20 is coated with grease;

the friction between the screw 20 and the ball screw bearing 21 is reduced by the grease, and the wear of the screw 20 is reduced.

Preferably, in order to improve the dustproof performance of the air pumping cylinder 5, a filter screen is arranged inside the air pumping pipe 25;

through the filtering action of the filter screen, the probability that dust enters the shaft cylinder 5 through the exhaust pipe 25 is reduced, and the dustproof performance of the exhaust cylinder 5 is improved.

Preferably, in order to improve the smoothness of the movement of the wood board, at least two balls 9 are uniformly distributed on one side of the platform 1 away from the main body 27, and the top ends of the balls 9 and the top end of the slicing device 10 are in the same plane;

the friction force between the platform 1 and the wood board is reduced through the balls 9, and the smoothness of the movement of the wood board is improved.

Preferably, in order to increase the friction force between the convex strips 14 and the wood board, the convex strips 14 are made of rubber;

because the rubber has an increased friction coefficient, the friction force between the convex strips 14 and the wood board is increased, and the probability of skidding of the wood board is reduced.

An operator sends a wood board between the roller 4 and the platform 1, power is provided through the driving assembly, the roller 4 is driven to rotate through the driving shaft 16, the wood board moves along the platform 1 under the action of friction force between the roller 4 and the wood board, the automatic propulsion of the wood board is realized, the use convenience of the planer is improved, when the roller 4 pushes the wood board to move, the roller 4 moves up and down in a reciprocating manner under the action of the lugs 14, the lifting rod 7 is lifted, the lifting rod 7 drives the screw rod 20 to move in a reciprocating manner under the transmission action of the transmission rod 6, the piston block 19 is driven by the screw rod 20 to move in a reciprocating manner inside the air extraction cylinder 5, air inside the main body 27 can be continuously extracted through the reciprocating movement of the piston block 19, the air pressure inside the main body 27 is reduced, wood chips are sucked into the main body 27 through the air pressure, and the collection of the wood chips is realized, the environmental protection performance of the planer is improved.

Compared with the prior art, in this use convenient environment-friendly woodworking planer, can promote plank automatic movement through pushing mechanism, the convenient degree that the planer used has been improved, compare with current pushing mechanism, this pushing mechanism need not the manual propulsion of operating personnel, the probability that slicing device 10 cuts operating personnel has been reduced, the security of planer has been improved, moreover, the saw-dust that produces when the planer is produced can be collected through dust removal mechanism, the environmental protection performance of planer has been improved, compare with current dust removal mechanism, this dust removal mechanism has realized and pushing mechanism between the linkage, the energy-conserving performance of this mechanism has been improved.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The environment-friendly woodworking planer convenient and fast to use comprises a main body (27), a platform (1) and a slicing device (10), wherein the platform (1) is installed at the top of the main body (27), the slicing device (10) is installed in the middle of the platform (1), a cavity is formed in the main body (27), the slicing device (10) is communicated with the inside of the main body (27), the environment-friendly woodworking planer is characterized by further comprising a pushing mechanism and a dust removing mechanism, the pushing mechanism is installed on one side of the platform (1), the dust removing mechanism is installed on the main body (27), and the pushing mechanism is connected with the dust removing mechanism;

the pushing mechanism comprises a support (3), a driving shaft (16), a roller (4), a driving assembly, a lifting rod (7), two supporting rods (2), two supporting sleeves (26), two springs (8) and at least two convex strips (14), wherein the axis of each supporting sleeve (26) is perpendicular to the plane of the platform (1), the supporting sleeves (26) are fixedly connected with one side of the platform (1), the supporting rods (2) and the supporting sleeves (26) are coaxially arranged, the supporting rods (2) penetrate through the supporting sleeves (26), the supporting rods (2) are slidably connected with the supporting sleeves (26), two ends of the lifting rod (7) are fixedly connected with the bottom ends of the two supporting rods (2) respectively, two ends of the support (3) are fixedly connected with the top ends of the two supporting rods (2) respectively, the driving shaft (16) is perpendicular to the supporting rods (2) and the support (3), one end of the driving shaft (16) is provided with a fixed bearing, one end of the driving shaft (16) is fixedly connected with the middle part of the bracket (3) through the fixed bearing, the roller (4) is arranged coaxially with the drive shaft (16), the roller (4) is arranged on the side of the re-planing device (10) which is far away from the main body (27), the roller (4) is arranged on a driving shaft (16), the driving component is arranged on the bracket (3), the driving assembly is connected with the driving shaft (16), the raised strips (14) are parallel to the axis of the roller (4), each raised strip (14) is uniformly arranged on the periphery of the roller (4) along the circumferential direction of the axis of the roller (4), the two springs (8) are respectively sleeved on the two supporting rods (2), the supporting sleeve (26) is fixedly connected with the lifting rod (7) through a spring (8), and the spring (8) is in a compressed state;

the dust removal mechanism comprises an air pumping cylinder (5), a screw rod (20), a ball screw bearing (21), a piston block (19), a transmission rod (6), an air pumping pipe (25), an exhaust pipe (17), a first one-way valve (18), a second one-way valve (24), a generator (22) and two mounting bearings (23), wherein the axis of the air pumping cylinder (5) is parallel to a lifting rod (7), the air pumping cylinder (5) is fixedly connected with a main body (27), one ends of the air pumping pipe (25) and the exhaust pipe (17) are both communicated with one end of the air pumping cylinder (5), the other end of the air pumping pipe (25) is communicated with the inside of the main body (27), the first one-way valve (18) is installed on the exhaust pipe (17), the second one-way valve (24) is installed on the air pumping pipe (25), the piston block (19) is arranged inside the air pumping cylinder (5), and the piston block (19) is connected with the air pumping cylinder (5) in a sliding and sealing manner, ball bearing (21) are installed on the other end of taking out cylinder (5), lead screw (20) and the coaxial setting of jar (5) of taking out, ball bearing (21) are installed on lead screw (20), the inner circle of two installation bearings (23) respectively with the both ends fixed connection of lead screw (20), the outer lane and the piston block (19) fixed connection of one of them installation bearing (23), the outer lane of another installation bearing (23) is articulated through transfer line (6) and lifter (7), generator (22) and the outer lane fixed connection of another installation bearing (23), generator (22) are connected with lead screw (20) transmission.

2. The environment-friendly wood planing machine convenient to use as claimed in claim 1, wherein a control box is arranged on the main body (27), a PLC is arranged inside the control box, a display screen and at least two control keys are arranged on the control box, and the display screen and each control key are electrically connected with the PLC.

3. The environment-friendly woodworking planer convenient to use as claimed in claim 1, wherein the driving assembly comprises a motor (11), a driving wheel (12), a driven wheel (15) and a driving belt (13), the driven wheel (15) is fixedly connected with one end of a driving shaft (16), the motor (11) is fixedly connected with the bracket (3), the motor (11) is in transmission connection with the driving wheel (12), and the driving wheel (12) is in transmission connection with the driven wheel (15) through the driving belt (13).

4. An environmentally friendly wood planing machine with convenient use according to claim 3, wherein the driving wheel (12) and the driven wheel (15) are provided with annular grooves on the outer peripheries thereof, and the driving belt (13) is arranged inside the annular grooves.

5. An environmentally friendly woodworking planer convenient for use as claimed in claim 3, wherein said motor (11) is a servo motor.

6. An environment friendly wood planing machine as claimed in claim 1, wherein the inner wall of the air pumping cylinder (5) is coated with sealing grease.

7. An environmentally friendly wood planing machine as claimed in claim 1, wherein said screw (20) is coated with grease.

8. An environment friendly wood planing machine as claimed in claim 1 wherein the suction pipe (25) is provided with a screen within it.

9. An environment-friendly wood planing machine convenient to use as claimed in claim 1, wherein at least two balls (9) are uniformly distributed on one side of the platform (1) far away from the main body (27), and the top ends of the balls (9) and the top end of the planing device (10) are in the same plane.

10. An environment friendly wood planing machine as claimed in claim 1 wherein said ribs (14) are made of rubber.