CN214871212U - Wood planer with four sides planing function - Google Patents

Abstract

The utility model discloses a wood planer with four-side planing function, which comprises a frame and an electric cabinet equipped with a control panel, wherein screw lifters are arranged at the bottoms of the front and rear ends of the frame, side frames are arranged at the tops of screws on the output ends of the two screw lifters, at least four fixed columns are arranged at the front ends of the front sides of the side frames, upper pinch roller mechanisms are arranged at the front and rear sides of the fixed columns, an upper planing tool mechanism is arranged on the front side of the side frame between the two fixed columns at the rear end of the side frames, a feeding plate is arranged on the surface of the frame, a side pressure component is arranged on one side of the front end of the feeding plate, a first side planing tool mechanism is arranged in the middle part of the frame, a second side planing tool mechanism is arranged on the side frame corresponding to the position of the first side planing tool mechanism, a lower planing tool mechanism is arranged in the frame in front of the first side planing tool mechanism, a front lower support driving roller mechanism is arranged in the frame in front of the lower planing tool mechanism, at least two rear lower supporting driving wheel mechanisms are arranged in the machine base behind the first side planing tool mechanism.

Description

Wood planer with four sides planing function

Technical Field

The utility model belongs to the technical field of timber mechanism equipment and specifically relates to a wood planer with four sides planing function.

Background

Wood is a material commonly used in life and production, and needs to be processed when being used, and some wood processing factories generally use a wood planer to plane the wood, so that the wood can meet the use requirement, but when the general wood planer is used for planing the wood, if the wood cannot be effectively fixed in position, the wood can be shifted in position when being planed by a planer tool, so that the planing quality of the wood is reduced; a common wood planing machine performs planing on wood in a single-sided planing mode, and if four sides of the wood need to be planed, the wood needs to be transmitted for multiple times to perform planing on the four sides of the wood, so that the wood planing efficiency is reduced; therefore, there is a need for an improved construction of a wood planing machine.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is not enough to above-mentioned technique, provide a can carry out the planer of planing processing on four sides to timber.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a wood planer with four-side planing function comprises a base and an electric cabinet provided with a control panel, wherein the electric cabinet is arranged on the back surface of the front end of the base, screw lifters are arranged at the bottoms of the front end and the rear end of the base, side frames are arranged at the tops of screws on the output ends of the two screw lifters, at least four fixed columns are arranged at the front end of the front side frame, upper pinch roller mechanisms are arranged on the front side and the rear side of each fixed column, an upper planing tool mechanism is arranged on the front side of the side frame between the two fixed columns at the rear end of the side frames, a feeding plate is arranged on the surface of the base, a side pressure assembly is arranged on one side of the front end of the feeding plate, a first side planing tool mechanism is arranged in the middle of the base, a second side planing tool mechanism is arranged on the side frame corresponding to the position of the first side planing tool mechanism, and a lower planing tool mechanism is arranged in the base in front of the first side planing tool mechanism, the automatic planing machine is characterized in that a front lower supporting driving wheel mechanism is arranged in the machine base in front of the lower planing tool mechanism, at least two rear lower supporting driving wheel mechanisms are arranged in the machine base behind the first side planing tool mechanism, a cover plate is fixedly arranged on one side wall surface of a fixed column through screws, the cover plate is located on the outer side of the upper pressing wheel mechanism, one of the cover plate and the first motor is arranged on the input end of the screw lifter, a half coupler is arranged on the outer side of the screw lifter, the two adjacent half couplers are connected and matched through a connecting rod, the half coupler is connected with the driving end of the first motor, and the first motor is electrically connected with an electric cabinet.

Further, go up the pinch roller mechanism and include first adjusting screw, first spring, first swing arm and last pinch roller, the fixed column bottom is provided with two first swing arms at least through the pivot, it sets up on the other end of first swing arm through the pivot to go up the pinch roller, first adjusting screw runs through outside the top surface of side bearer, is located first adjusting screw's top part is fixed on the side bearer top surface through first stop nut, first adjusting screw's bottom is provided with the connecting block through the pivot, the other end of connecting block is connected with the pivot on the last pinch roller, the cooperation has first spring on the first adjusting screw of connecting block top, is located other upper pinch rollers outside two upper pinch rollers on the side bearer rearmost end circumference on the surface is provided with a plurality of dogtooth.

Further, the upper planer tool mechanism comprises a first machine shell, a fixing plate, a connecting seat, a supporting frame, a second adjusting screw rod, a second spring, a second motor and an upper planer tool, the first machine shell is arranged on the front surface of the side frame, the connecting seat is arranged on the outer walls of the front side and the rear side of the first machine shell, the left end and the right end of the fixing plate are matched above the connecting seat through connecting columns, the second adjusting screw rod is matched in the connecting seat and penetrates out of the fixing plate, a second limiting nut is matched on the second adjusting screw rod above the top surface of the connecting seat, the second spring is matched on the second adjusting screw rod above the fixing plate, sliding grooves are formed in the front side wall surface and the rear side wall surface of the first machine shell and the inner side wall surface of the connecting seat, the two ends of the supporting frame are positioned in the sliding grooves and connected with the bottom end of the second adjusting screw rod, the second motor is arranged on the supporting frame, the upper planer tool is matched with the driving end of the second motor, an exhaust port is formed in the top end of the first shell, and the second motor is electrically connected with the electric cabinet.

Further, the side pressure component comprises a fixed base, a matching plate, a second swing arm, a twisting handle, a side pressure wheel and an ejection screw, the fixed base is fixed on the outer side wall surface of the feeding plate through screws, the matching plate is positioned above the base, the matching plate is provided with a matching groove, the fixed base is provided with a plurality of matching holes, the matching plate is fixed on the fixed base by introducing locking screws into the matching groove and the matching holes, a gasket is matched on the locking screw above the matching groove, the twisting handle is matched on the top end of the locking screw, one end of the second swing arm is arranged on the inner side end of the matching plate through a rotating shaft, the side pressing wheel is matched on the other end of the second swing arm through the rotating shaft, and an ejection screw matching seat is arranged on one side of the matching plate, and the ejection screw is matched in the ejection screw matching seat.

Further, the lower planer tool mechanism comprises a second shell, a third motor and a lower planer tool, the second shell is arranged in the machine base below the feeding plate, the third motor is arranged on the rear side wall surface of the second shell, the driving end of the third motor penetrates through the second shell from the rear and is connected with the lower planer tool, a through groove is formed in the feeding plate above the lower planer tool, and the third motor is electrically connected with the electric cabinet.

Further, the lower front supporting driving wheel mechanism is located in a machine base below the feeding plate, the lower front supporting driving wheel mechanism comprises a fourth motor and a lower front supporting driving wheel, a lower front supporting driving wheel fixing base is arranged in the machine base in front of the lower planing tool mechanism, at least two lower front supporting driving wheels are arranged on the lower front supporting driving wheel fixing base through rotating shafts, the fourth motor is arranged on the rear side wall face of the lower front supporting driving wheel fixing base, the driving end of the fourth motor is connected with the rotating shafts on the lower front supporting driving wheels, a plurality of convex teeth are circumferentially arranged on the outer side wall face of the lower front supporting driving wheel, a through groove is formed in the feeding plate above the lower front supporting driving wheel, and the fourth motor is electrically connected with the electric cabinet.

Further, hold in the palm in the frame that driving wheel mechanism is located the delivery sheet below down in the back, hold in the palm driving wheel mechanism down in the back and include fifth motor and back lower support action wheel, be provided with two back lower support action wheel fixing bases at least in the rear end of frame, back lower support action wheel is through the pivot cooperation on back lower support action wheel fixing base, fifth motor sets up on the rear side wall face of back lower support action wheel fixing base, the drive end of fifth motor is connected with the pivot of back lower support action wheel, logical groove has been seted up on the delivery sheet of back lower support action wheel top, fifth motor and electric cabinet electric connection.

Further, first side planer tool mechanism includes first cylinder, second cylinder, sixth motor and first side planer tool, be provided with first cylinder fixing base in the middle part of frame, first cylinder cooperation is in first cylinder fixing base, be provided with second cylinder fixing base on the drive end of first cylinder, the cooperation of second cylinder is on second cylinder fixing base, the drive end of second cylinder has sixth motor fixing base through the articulate, the sixth motor sets up on sixth motor fixing base, the cooperation of sixth motor fixing base is in logical inslot on the delivery sheet, on the drive end of sixth motor is connected to first side planer tool, first cylinder, second cylinder and sixth motor all with electric cabinet electric connection.

Further, the second side planer tool mechanism comprises a third cylinder, a seventh motor and a second side planer tool, a third cylinder fixing seat is arranged in the middle of the back face of the side frame, a sliding groove is formed in the side frame right opposite to the third cylinder fixing seat, a seventh motor fixing seat is matched in the sliding groove, one side wall face of the seventh motor fixing seat is connected with the driving end of the third cylinder, the seventh motor is matched in the seventh motor fixing seat, the driving end of the seventh motor penetrates through the bottom face of the seventh motor fixing seat and is connected with the second side planer tool, and the third cylinder and the seventh motor are both electrically connected with the electric cabinet.

The utility model has the advantages that:

during the process of processing wood, wood is transmitted through the front lower supporting driving wheel mechanism and the rear lower supporting driving wheel mechanism, the top of the wood is pressurized through the upper pressing wheel mechanism to maintain the position stability of the wood, the side part of the wood is subjected to limiting pressurization through the side pressure assembly to further maintain the position stability of the wood, the height position of a side frame can be adjusted through the screw lifter so as to meet the wood processing requirements of different thicknesses, the top surface of the wood is planed through the upper planer tool mechanism, wood chips and dust generated in the wood planing process can be absorbed and collected through connection of an exhaust port and external exhaust equipment, the bottom surface of the wood is planed through the lower planer tool mechanism, the two sides of the wood can be planed through the first side planer tool mechanism and the second side planer tool mechanism, and the upper planer tool mechanism and the lower planer tool mechanism, The first side planer tool mechanism and the second side planer tool mechanism can carry out planing processing on four sides of the wood.

Drawings

Fig. 1 is a schematic front structural view of the present invention.

Fig. 2 is a schematic view of the back structure of the present invention.

FIG. 3 is a schematic diagram of the side pressure assembly.

Fig. 4 is a partially enlarged schematic view at a.

Fig. 5 is a partially enlarged schematic view at B.

In the figure, a machine base 1, a control panel 2, an electric cabinet 3, a screw lifter 4, a side frame 5, a fixed column 6, a feeding plate 7, a side pressure component 8, a cover plate 9, a first motor 10, a half coupling 11, a connecting rod 12, a first adjusting screw 13, a first spring 14, a first swing arm 15, an upper pinch roller 16, a first limit nut 17, a convex tooth 18, a first machine shell 19, a fixed plate 20, a connecting seat 21, a supporting seat 22, a second adjusting screw 23, a second spring 24, a second motor 25, an upper planer tool 26, a second limit nut 27, a chute 28, an exhaust port 29, a fixed base 30, a matching plate 31, a second swing arm 32, a twisting handle 33, a side pressure wheel 34, an ejection screw 35, a matching groove 36, a matching hole 37, a locking screw 38, a gasket 39, a second machine shell 40, a third motor 41, a lower planer tool 42, a through groove 43, a fourth motor 44, a front lower support driving wheel 45, a front lower support driving wheel 46, a front lower support fixing seat 46, The device comprises a fifth motor 47, a rear lower supporting driving wheel 48, a rear lower supporting driving wheel fixing seat 49, a first air cylinder 50, a second air cylinder 51, a sixth motor 52, a first side planing tool 53, a first air cylinder fixing seat 54, a second air cylinder fixing seat 55, a sixth motor fixing seat 56, a third air cylinder 57, a seventh motor 58, a second side planing tool 59, a third air cylinder fixing seat 60, a seventh motor fixing seat 61, a push-out screw matching seat 62 and a connecting block 63.

Detailed Description

As shown in fig. 1 to 5, a wood planer with four-side planing function comprises a base 1 and an electric cabinet 3 equipped with a control panel 2, wherein the electric cabinet 3 is arranged on the back of the front end of the base 1, screw lifters 4 are arranged at the bottoms of the front and rear ends of the base 1, side frames 5 are arranged at the tops of screws at the output ends of the two screw lifters 4, at least four fixing columns 6 are arranged at the front end of the front side frame 5, upper pinch roller mechanisms are arranged at the front and rear sides of the fixing columns 6, an upper planer tool mechanism is arranged on the front side of the side frame 5 between the two fixing columns 6 at the rear end of the side frame 5, a feeding plate 7 is arranged on the surface of the base 1, a side pressure assembly 8 is arranged on one side of the front end of the feeding plate 7, a first side planer tool mechanism is arranged in the middle part of the base 1, and a second side planer tool mechanism is arranged on the side frame 5 corresponding to the position of the first side planer tool mechanism, the utility model discloses a planer tool, including fixing column 6, apron 9, the apron is located the outside of last pinch roller mechanism, one of them be equipped with first motor 10 on the input of screw rod riser 4, the outside of screw rod riser 4 is equipped with half-coupling 11, and two are adjacent connect the cooperation through connecting rod 12 between the half-coupling 11, half-coupling 11 is connected with the drive end of first motor 10, first motor 10 and 3 electric connection of electric cabinet.

The upper pinch roller mechanism comprises a first adjusting screw 13, a first spring 14, a first swing arm 15 and an upper pinch roller 16, the bottom end of the fixed column 6 is at least provided with two first swing arms 15 through a rotating shaft, the upper pinch roller 16 is arranged at the other end of the first swing arm 15 through the rotating shaft, the first adjusting screw 13 penetrates through the top surface of the side frame 5 and is located at the top of the first adjusting screw 13, the top of the first adjusting screw 13 is fixed on the top surface of the side frame 5 through a first limiting nut 17, the bottom end of the first adjusting screw 13 is provided with a connecting block 63 through the rotating shaft, the other end of the connecting block 63 is connected with the rotating shaft on the upper pinch roller 16, the first adjusting screw 13 above the connecting block 63 is matched with the first spring 14, and a plurality of convex teeth 18 are circumferentially arranged on the surfaces of other upper pinch rollers 16 outside the two upper pinch rollers 16 at the rearmost end of the side frame 5.

The upper planer tool mechanism comprises a first machine shell 19, a fixing plate 20, a connecting seat 21, a supporting frame 22, a second adjusting screw 23, a second spring 24, a second motor 25 and an upper planer tool 26, wherein the first machine shell 19 is arranged on the front surface of the side frame 5, the connecting seat 21 is arranged on the outer walls of the front side and the rear side of the first machine shell 19, the left end and the right end of the fixing plate 20 are matched above the connecting seat 21 through connecting columns, the second adjusting screw 23 is matched in the connecting seat 21 and penetrates out of the fixing plate 20, a second limiting nut 27 is matched on the second adjusting screw 23 above the top surface of the connecting seat 21, the second spring 24 is matched on the second adjusting screw 23 above the fixing plate 20, sliding grooves 28 are arranged on the front side wall surface and the rear side wall surface of the first machine shell 19 and the inner side wall surface of the connecting seat 21, two ends of the supporting frame 22 are arranged in the sliding grooves 28 and connected with the bottom end of the second adjusting screw 23, the second motor 25 is arranged on the support frame 22, the upper planer tool 26 is matched with the driving end of the second motor 25, the top end of the first machine shell 19 is provided with an exhaust port 29, and the second motor 25 is electrically connected with the electric cabinet 3.

The side pressure component 8 comprises a fixed base 30, a matching plate 31, a second swing arm 32, a twisting handle 33, a side pressure wheel 34 and an ejection screw 35, the fixed base 30 is fixed on the outer side wall surface of the feeding plate 7 through screws, the matching plate 31 is located above the base, a matching groove 36 is formed in the matching plate 31, a plurality of matching holes 37 are formed in the fixed base 30, the matching plate 31 is fixed on the fixed base 30 through introducing locking screws 38 into the matching groove 36 and the matching holes 37, a gasket 39 is matched on the locking screws 38 above the matching groove 36, the twisting handle 33 is matched on the top end of the locking screws 38, one end of the second swing arm 32 is arranged on the inner side end of the matching plate 31 through a rotating shaft, the side pressure wheel 34 is matched on the other end of the second swing arm 32 through the rotating shaft, an ejection screw matching seat 62 is arranged on one side of the matching plate 31, the ejector screw 35 is fitted in the ejector screw fitting seat 62.

The lower planer tool mechanism comprises a second machine shell 40, a third motor 41 and a lower planer tool 42, the second machine shell 40 is arranged in the machine base 1 below the feeding plate 7, the third motor 41 is arranged on the rear side wall surface of the second machine shell 40, the driving end of the third motor 41 penetrates through the second machine shell 40 from the rear and is connected with the lower planer tool 42, a through groove 43 is formed in the feeding plate 7 above the lower planer tool 42, and the third motor 41 is electrically connected with the electric cabinet 3.

The front lower supporting driving wheel mechanism is positioned in the machine base 1 below the feeding plate 7 and comprises a fourth motor 44 and a front lower supporting driving wheel 45, a front lower supporting driving wheel fixing seat 46 is arranged in the machine base 1 in front of the lower planing tool mechanism, at least two front lower supporting driving wheels 45 are arranged on the front lower supporting driving wheel fixing seat 46 through rotating shafts, the fourth motor 44 is arranged on the rear side wall surface of the front lower supporting driving wheel fixing seat 46, the driving end of the fourth motor 44 is connected with the rotating shafts on the front lower supporting driving wheels 45, a plurality of convex teeth 18 are circumferentially arranged on the outer side wall surface of the front lower supporting driving wheel 45, a through groove 43 is formed in the feeding plate 7 above the front lower supporting driving wheel 45, and the fourth motor 44 is electrically connected with the electric cabinet 3.

The rear lower supporting driving wheel mechanism is located in the machine base 1 below the feeding plate 7, the rear lower supporting driving wheel mechanism comprises a fifth motor 47 and a rear lower supporting driving wheel 48, at least two rear lower supporting driving wheel fixing seats 49 are arranged in the rear end of the machine base 1, the rear lower supporting driving wheel 48 is matched with the rear lower supporting driving wheel fixing seats 49 through a rotating shaft, the fifth motor 47 is arranged on the rear side wall surface of the rear lower supporting driving wheel fixing seats 49, the driving end of the fifth motor 47 is connected with the rotating shaft on the rear lower supporting driving wheel 48, a through groove 43 is formed in the feeding plate 7 above the rear lower supporting driving wheel 48, and the fifth motor 47 is electrically connected with the electric cabinet 3.

The first side planer tool mechanism comprises a first air cylinder 50, a second air cylinder 51, a sixth motor 52 and a first side planer tool 53, a first air cylinder fixing seat 54 is arranged in the middle of the machine base 1, the first air cylinder 50 is matched in the first air cylinder fixing seat 54, a second air cylinder fixing seat 55 is arranged on a driving end of the first air cylinder 50, the second air cylinder 51 is matched on the second air cylinder fixing seat 55, a driving end of the second air cylinder 51 is connected with the sixth motor fixing seat 56 through a connector, the sixth motor 52 is arranged on the sixth motor fixing seat 56, the sixth motor fixing seat 56 is matched in a through groove 43 on the feeding plate 7, the first side planer tool 53 is connected on the driving end of the sixth motor 52, and the first air cylinder 50, the second air cylinder 51 and the sixth motor 52 are all electrically connected with the electric cabinet 3.

The second side planer tool mechanism comprises a third cylinder 57, a seventh motor 58 and a second side planer tool 59, a third cylinder fixing seat 60 is arranged in the middle of the back face of the side frame 5, a sliding groove 28 is formed in the side frame 5 opposite to the third cylinder fixing seat 60, a seventh motor fixing seat 61 is matched in the sliding groove 28, one side wall face of the seventh motor fixing seat 61 is connected with the driving end of the third cylinder 57, the seventh motor 58 is matched in the seventh motor fixing seat 61, the driving end of the seventh motor 58 penetrates through the bottom face of the seventh motor fixing seat 61 and is connected with the second side planer tool 59, and the third cylinder 57 and the seventh motor 58 are both electrically connected with the electric cabinet 3.

The utility model discloses a theory of operation does:

the utility model needs to be equipped with a PLC system for use during working, and can transmit a control command to the electric cabinet 3 through the control panel 2 to control the equipment; the wood is placed on the feeding plate 7, the fourth motor 44 drives the front lower support driving wheel 45 to rotate, and the rotation of the front lower support driving wheel 45 drives the wood to enter the machine; in the process of conveying the wood, the upper pressing wheel 16 pressurizes the top of the wood, and the position of the upper pressing wheel 16 can be adjusted through the combination of twisting the first limiting nut 17 and pulling the first adjusting screw rod 13 to move up and down; the ejection screw 35 is pushed against the second swing arm 32 by inwardly twisting the ejection screw 35, so that the second swing arm 32 swings inwardly, the side pressing wheel 34 is pressed on one side of the wood, and the side part of the wood is limited and pressurized through the side pressing wheel 34; the lower planer tool 42 is driven by the third motor 41 to rotate to carry out planing on the bottom surface of the wood, the upper planer tool 26 is driven by the second motor 25 to carry out planing on the top surface of the wood, the first side planer tool 53 is driven by the fifth motor 47 to rotate to carry out planing on one side of the wood, and the second side planer tool 59 is driven by the sixth motor 52 to rotate to carry out planing on the other side of the wood, so that the four-side planing processing of the wood is realized; the position of the upper planer tool 26 can be adjusted by the combination of twisting the second limit nut 27 and pulling the second adjusting screw 23 to move up and down; the screw lifter 4 is driven by the first motor 10 to enable the screw on the screw lifter 4 to move up and down, so that the height of the side frame 5 is adjusted, and further the heights of the upper planing tool 26, the upper pressure wheel 16 and the second side planing tool 59 are adjusted at the same time; the first air cylinder 50 can drive the first side planing tool 53 to adjust the height, and the second air cylinder 51 can drive the first side planing tool 53 to adjust the position in the longitudinal direction; the second side planing tool 59 can be driven by the third cylinder 57 to perform position adjustment in the longitudinal direction; after the exhaust port 29 is connected with a wood chip and dust collecting device (not shown in the figure) in the outside through a pipeline, the wood chip and dust collecting device can suck the wood chips and dust from the exhaust port 29 into the wood chip and dust collecting device for collection; finally, the fifth motor 47 drives the rear lower support driving wheel 48 to convey the wood outside the machine.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (9)

1. A wood planer with four-side planing function comprises a base and an electric cabinet provided with a control panel, wherein the electric cabinet is arranged on the back of the front end of the base, the wood planer is characterized in that screw lifters are arranged at the bottoms of the front end and the rear end of the base, side frames are arranged at the tops of screws on the output ends of the two screw lifters, at least four fixed columns are arranged at the front end of the front side of each side frame, upper pinch roller mechanisms are arranged at the front side and the rear side of each fixed column, an upper planing tool mechanism is arranged on the front side of each side frame between the two fixed columns at the rear end of each side frame, a feeding plate is arranged on the surface of the base, a side pressure assembly is arranged on one side of the front end of the feeding plate, a first side planing tool mechanism is arranged in the middle of the base, a second side planing tool mechanism is arranged on the side frame corresponding to the position of the first side planing tool mechanism, and a lower planing tool mechanism is arranged in the base in front of the first side planing tool mechanism, the automatic planing machine is characterized in that a front lower supporting driving wheel mechanism is arranged in the machine base in front of the lower planing tool mechanism, at least two rear lower supporting driving wheel mechanisms are arranged in the machine base behind the first side planing tool mechanism, a cover plate is fixedly arranged on one side wall surface of a fixed column through screws, the cover plate is located on the outer side of the upper pressing wheel mechanism, one of the cover plate and the first motor is arranged on the input end of the screw lifter, a half coupler is arranged on the outer side of the screw lifter, the two adjacent half couplers are connected and matched through a connecting rod, the half coupler is connected with the driving end of the first motor, and the first motor is electrically connected with an electric cabinet.

2. A wood planing machine having four sides planing function as claimed in claim 1, the upper pinch roller mechanism comprises a first adjusting screw rod, a first spring, a first swing arm and an upper pinch roller, the bottom end of the fixed column is at least provided with two first swing arms through a rotating shaft, the upper pressing wheel is arranged at the other end of the first swing arms through the rotating shaft, the first adjusting screw rod penetrates out of the top surface of the side frame, the top part of the first adjusting screw rod is fixed on the top surface of the side frame through a first limiting nut, the bottom end of the first adjusting screw is provided with a connecting block through a rotating shaft, the other end of the connecting block is connected with the rotating shaft on the upper pressing wheel, a first spring is matched on a first adjusting screw rod above the connecting block, and a plurality of convex teeth are circumferentially arranged on the surfaces of other upper pinch rollers outside the two upper pinch rollers at the rearmost end of the side frame.

3. The wood planer of claim 1, wherein the upper planer tool mechanism comprises a first housing, a fixing plate, a connecting seat, a supporting frame, a second adjusting screw, a second spring, a second motor and an upper planer tool, the first housing is disposed on the front surface of the side frame, the connecting seat is disposed on the outer walls of the front and rear sides of the first housing, the left and right ends of the fixing plate are fitted over the connecting seat through a connecting column, the second adjusting screw is fitted in the connecting seat and penetrates the outside of the fixing plate, a second limit nut is fitted on the second adjusting screw above the top surface of the connecting seat, the second spring is fitted on the second adjusting screw above the fixing plate, sliding grooves are disposed on the front and rear side wall surfaces of the first housing and the inner side wall surface of the connecting seat, the two ends of the supporting frame are disposed in the sliding grooves and connected with the bottom end of the second adjusting screw, the second motor is arranged on the support frame, the upper planer tool is matched with the driving end of the second motor, an exhaust port is formed in the top end of the first casing, and the second motor is electrically connected with the electric cabinet.

4. The wood planer with four sides planing function as claimed in claim 1, wherein the side pressure assembly includes a fixed base, a matching board, a second swing arm, a twisting handle, a side pressure roller and an ejection screw, the fixed base is fixed on the outer side wall surface of the feeding plate through screws, the matching board is located above the base, a matching groove is formed in the matching board, a plurality of matching holes are formed in the fixed base, the matching board is fixed on the fixed base through introducing locking screws into the matching groove and the matching holes, a gasket is matched on the locking screws above the matching groove, the twisting handle is matched on the top end of the locking screws, one end of the second swing arm is arranged on the inner side end of the matching board through a rotating shaft, the side pressure roller is matched on the other end of the second swing arm through a rotating shaft, an ejection screw matching seat is arranged on one side of the matching board, the ejection screw is matched in the ejection screw matching seat.

5. The wood planer with four sides planing function as claimed in claim 1, wherein the lower planing tool mechanism includes a second housing, a third motor and a lower planing tool, the second housing is disposed in the machine base below the feeding plate, the third motor is disposed on the rear side wall surface of the second housing, the driving end of the third motor penetrates the second housing from the rear and is connected with the lower planing tool, a through groove is formed in the feeding plate above the lower planing tool, and the third motor is electrically connected with the electric control box.

6. The wood planer of claim 1, wherein the front lower supporting driving wheel mechanism is located in the machine base below the feeding plate, the front lower supporting driving wheel mechanism includes a fourth motor and a front lower supporting driving wheel, a front lower supporting driving wheel fixing base is arranged in the machine base in front of the lower planer tool mechanism, at least two front lower supporting driving wheels are arranged on the front lower supporting driving wheel fixing base through rotating shafts, the fourth motor is arranged on the rear side wall surface of the front lower supporting driving wheel fixing base, the driving end of the fourth motor is connected with the rotating shafts on the front lower supporting driving wheels, a plurality of convex teeth are circumferentially arranged on the outer side wall surface of the front lower supporting driving wheel, a through groove is formed in the feeding plate above the front lower supporting driving wheel, and the fourth motor is electrically connected with the electric cabinet.

7. The wood planer of claim 1, wherein the rear lower driving wheel mechanism is located in the housing below the feeding plate, the rear lower driving wheel mechanism includes a fifth motor and a rear lower driving wheel, at least two rear lower driving wheel holders are disposed in the rear end of the housing, the rear lower driving wheel is engaged with the rear lower driving wheel holders through a rotating shaft, the fifth motor is disposed on the rear side wall of the rear lower driving wheel holders, the driving end of the fifth motor is connected with the rotating shaft of the rear lower driving wheel, a through groove is disposed on the feeding plate above the rear lower driving wheel, and the fifth motor is electrically connected with the electric cabinet.

8. The wood planer with four sides planing function as claimed in claim 1, wherein the first side planing tool mechanism includes a first cylinder, a second cylinder, a sixth motor and a first side planing tool, a first cylinder fixing seat is provided in the middle of the machine base, the first cylinder is fitted in the first cylinder fixing seat, a second cylinder fixing seat is provided on the driving end of the first cylinder, the second cylinder is fitted on the second cylinder fixing seat, the driving end of the second cylinder is connected with the sixth motor fixing seat through a joint, the sixth motor is provided on the sixth motor fixing seat, the sixth motor fixing seat is fitted in the through groove on the feeding plate, the first side planing tool is connected with the driving end of the sixth motor, and the first cylinder, the second cylinder and the sixth motor are all electrically connected with the electric cabinet.

9. The wood planer with four sides planing function as claimed in claim 1, wherein the second side planing tool mechanism includes a third cylinder, a seventh motor and a second side planing tool, the middle of the back of the side frame is provided with a third cylinder fixing seat, a sliding groove is formed in the side frame opposite to the third cylinder fixing seat, a seventh motor fixing seat is matched in the sliding groove, one side wall surface of the seventh motor fixing seat is connected with the driving end of the third cylinder, the seventh motor is matched in the seventh motor fixing seat, the driving end of the seventh motor penetrates through the bottom surface of the seventh motor fixing seat and is connected with the second side planing tool, and the third cylinder and the seventh motor are both electrically connected with the electric cabinet.

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