CN220881668U - Timber board grinding device - Google Patents

Abstract

The utility model belongs to the technical field of wood board processing, in particular to a wood board polishing device, which comprises a working box body, wherein rectangular grooves are symmetrically formed in two sides in the working box body, lifting plates with adjustable heights are arranged in the rectangular grooves, the bottom surfaces of the lifting plates and the inner bottom surfaces of the working box body are both provided with moving mechanisms capable of horizontally moving, a first motor is fixedly arranged on a moving platform of the moving mechanism on the working box body, a first motor box is sleeved outside the first motor, a first telescopic rod is fixedly arranged at the output end of the first motor, polishing components I are symmetrically arranged on the top surface of the first telescopic rod and the bottom surface of the lifting plate, and polishing components II capable of clamping and polishing the side edges of a wood board are arranged outside the working box body: the surface or the side of rectangle or circular timber board can be polished comprehensively, efficiency of polishing has been improved, required cost has been reduced, the application scope of device has been increased, the result of use of device has been strengthened, more has the practicality.

Description

Timber board grinding device

Technical Field

The utility model belongs to the technical field of wood board processing, and particularly relates to a wood board polishing device.

Background

In real life, wood boards are widely used, particularly in furniture, after the wood boards are cut, the surfaces and the sides of the wood boards are required to be polished, so that certain smoothness or grain sense is obtained to increase the beauty of the product.

According to the utility model, through the first output motor, the rotating screw, the first moving block, the movable mounting plate and the polishing mechanism are conveniently driven to rotate by the first output motor, so that the first moving block can drive the movable mounting plate, the second output motor and the polishing mechanism to move downwards, shrinkage buffering can be carried out after the polishing mechanism contacts with a wood board, the first output motor is closed at the moment, the polishing mechanism is prevented from continuously moving downwards, and the wood board is protected and prevented from being broken when the polishing mechanism is ensured to be fully contacted with the wood board.

However, the prior art has some disadvantages: firstly, the polishing mechanism in the prior art can only polish the top surface of the wood board at one time, and the other surface of the wood board can be polished only by a worker who needs to perform the reverse surface, so that the efficiency is low; secondly, the polishing mechanism in the prior art only can polish the surface of the wood board but cannot polish the side surface of the wood, so that the polishing is not comprehensive and the practicability is low; finally, in real life's timber except having rectangular shape, still circular plank, grinding device among the prior art generally can only polish to its one kind of shape plank and handle, and application scope is lower, and the practicality is lower, and then needs further improvement.

Disclosure of utility model

The utility model provides a wood plate polishing device for overcoming the defects in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a timber board grinding device, includes the work box, rectangular channel has been seted up to the symmetry in the work box, but set up height-adjustable's lifter plate in the rectangular channel, lifter plate bottom surface and the interior bottom surface of work box all are provided with horizontal migration's mobile mechanism, on the work box fixed motor one that is provided with on mobile platform of mobile mechanism, motor case one has been cup jointed outward to motor one, the output of motor one is fixed and is provided with telescopic link one, telescopic link one top surface and lifter plate bottom symmetry are provided with polishing assembly one, work box outside is provided with the polishing assembly two that can carry out centre gripping and side to the plank.

Optionally, the moving mechanism includes two ball sliding tables two, the interior bottom surface of work box or lifter plate bottom surface all inlay and be provided with ball sliding table one, two the stiff end of ball sliding table two is fixed in the removal end top surface of ball sliding table one respectively.

Optionally, polishing assembly one includes the cylinder, the cylinder is fixed in the ball slip table second's of top end or the end of removing of telescopic link one, the cylinder top surface is all fixed and is provided with the grip block, the cylindrical groove has all been seted up to the grip block top surface, cylindrical groove bottom surface is all fixed and is provided with telescopic link two, the end top surface of removing of telescopic link two is all fixed and is provided with motor case two, all fixed in the motor case two is provided with motor two, the output of motor two is all fixed and is provided with the polishing dish.

Optionally, polishing assembly two includes motor three, the fixed extension platform that is provided with of work box outside, extension platform top surface symmetry slides and is provided with U type movable block, extension platform top surface symmetry is fixedly provided with the stopper, rotate between the stopper and be provided with two-way lead screw one, motor three is fixed in one side's stopper side, motor three's output shaft pass and rotate in stopper side and with two-way lead screw one fixed connection, two U type movable block respectively screw-thread fit in two-way lead screw's different spiral thread parts, U type movable block top surface all rotates and is provided with lead screw two, U type movable block one side all is fixed and is provided with motor four, motor four's output all passes and rotates in U type movable block side and with two fixed connection of lead screw, all screw is furnished with the rectangular block on the lead screw two rectangular channel side symmetry has seted up the spout one, rectangular block bottom surface all contacts and slides in spout one bottom surface, rectangular block keeps away from one end symmetry of lead screw two and is provided with rectangular motor top surface, five motor fixed ends are provided with screw two, five motor fixed ends all rotate, five movable parts are provided with six movable parts, and are all fixed with the top surface, six movable parts are all fixed with the fixed connection, and are provided with six movable parts.

Optionally, the motors five on two sides are in an oblique symmetrical relationship, and the top surface of the motors five is lower than the top surface of the chute one.

Optionally, the grinding roller is positioned in the middle of the two rotating wheels.

Optionally, a through hole which can be opened or closed by a sliding door is formed in one side of the working box body.

In summary, the application has the following beneficial effects:

According to the application, through the cooperation of the lifting plate, the telescopic rod IV, the ball screw sliding table I, the ball screw sliding table II, the motor I, the telescopic rod I and the polishing assembly I of the scheme and the polishing assembly II of the scheme, the upper surface and the lower surface of the wood plate can be polished simultaneously, the surface polishing efficiency is improved, and all the side surfaces of the wood plate can be polished, so that the polishing function is more complete, the polishing efficiency is also improved, the surface and the side surfaces of the rectangular or round wood plate can be polished, the required cost is reduced, the application range of the device is enlarged, the use effect of the device is enhanced, and the device is more practical.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the overall cross-sectional structure of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of the present utility model A;

FIG. 4 is a schematic view of a second exemplary abrasive component of the present utility model;

FIG. 5 is an enlarged schematic view of the structure of the present utility model B;

FIG. 6 is a second overall schematic of the present utility model;

FIG. 7 is a schematic diagram of the overall cross-sectional structure of the present utility model;

In the figure: 1. a working box body; 2. rectangular grooves; 3. a lifting plate; 4. a telescopic rod IV; 5. a ball screw sliding table I; 6. a ball screw sliding table II; 7. a first motor; 8. a first motor case; 9. a first telescopic rod; 10. polishing the first component; 101. a column; 102. a clamping plate; 103. a cylindrical groove; 104. a second telescopic rod; 105. a second motor case; 106. a second motor; 107. polishing the grinding disc; 11. polishing the second component; 111. a delay stage; 112. a U-shaped moving block; 113. a limiting block; 114. a bidirectional screw rod I; 115. a third motor; 116. a second lead screw; 117. a fourth motor; 118. rectangular blocks; 119. a first chute; 1110. a rotating wheel; 1111. a fifth motor; 1112. a second chute; 1113. a telescopic rod III; 1114. a moving member; 1115. a grinding roller; 1116. a sixth motor; 12. a sliding door; 13. a through port; 141. a frame; 142. a debris collection box; 143. a notch; 144. a round opening; 145. a pump body; 146. and (3) a filter screen.

Detailed Description

In order to enable those skilled in the art to better understand the present utility model, the following description will make clear and complete descriptions of the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model.

Embodiment one:

Referring to fig. 1-5, a wood board polishing device comprises a working box body 1, wherein the working box body 1 is used for providing processing and installation space, rectangular grooves 2 are symmetrically formed in two sides in the working box body 1, the rectangular grooves 2 are used for providing installation space, four telescopic rods 4 are fixedly arranged on the bottom surfaces of the rectangular grooves 2 on two sides, the four telescopic rods 4 are used for providing vertical moving force, a lifting plate 3 is fixedly arranged on the four telescopic rods 4 together, the lifting plate 3 is used for providing an installation plane and transmitting vertical moving force, a moving mechanism capable of horizontally moving is arranged on the bottom surface of the lifting plate 3 and the inner bottom surface of the working box body 1, the moving mechanism is used for providing movement in four horizontal directions, the moving mechanism comprises two ball screw sliding tables two 6, a ball screw sliding table one 5 is arranged on the inner bottom surface of the working box body 1 or the bottom surface of the lifting plate 3 in an embedded manner, the fixed ends of the two ball screw sliding tables II 6 are respectively fixed on the top surface of the moving end of the ball screw sliding table I5, a motor I7 is fixedly arranged on a moving platform of the ball screw sliding table II 6 on the working box body 1, the motor I7 is used for providing rotating force, a motor box I8 is sleeved outside the motor I7, the motor box I8 is used for protecting the motor I7, the output end of the motor I7 is fixedly provided with a telescopic rod I9, the telescopic rod I9 is used for providing moving force in the vertical direction, the top surface of the telescopic rod I9 and the bottom surface of the lifting plate 3 are symmetrically provided with a polishing component I10, the polishing component I10 is used for polishing two surfaces of a wood plate and clamping and stabilizing the wood plate, a polishing component II 11 capable of clamping and polishing the side edges of the wood plate is arranged on the outer side surface of the working box body 1, the polishing component II 11 is used for polishing and stabilizing the wood plate, a through hole 13 which can be opened or closed by a sliding door 12 is formed in one side of the working box body 1, and the through hole 13 is used for providing a space for placing or pulling out wood boards.

Referring to fig. 3, the polishing assembly 10 includes a column 101, where the column 101 is fixed at a moving end of the ball screw sliding table 6 above or a moving end of the telescopic rod 9, the column 101 is used to provide a mounting plane, a clamping plate 102 is fixedly provided on a top surface of the column 101, the clamping plate 102 is used to clamp a wood board, a column groove 103 is provided on a top surface of the clamping plate 102, the column groove 103 is used to provide a mounting space, a telescopic rod 104 is fixedly provided on a bottom surface of the column groove 103, the telescopic rod 104 is used to provide a vertical moving force, a motor case two 105 is fixedly provided on a moving end top surface of the telescopic rod two 104, the motor case two 105 is used to provide a mounting space and protection, a motor two 106 is fixedly provided in the motor case two 105, a polishing disc 107 is fixedly provided on an output end of the motor two 106, and the polishing disc 107 is used to polish a surface of the wood board.

Referring to fig. 4 to 5, the second polishing component 11 comprises a third motor 115, a third motor 115 is fixedly arranged at the outer side of the working box 1, the third motor 115 is fixed at the side of the first motor 113, the third motor 115 is used for providing a mounting platform, a U-shaped moving block 112 is symmetrically and slidably arranged at the top surface of the third motor 111, the U-shaped moving block 112 is used for providing a mounting platform and converting rotation force into horizontal movement force, a limiting block 113 is symmetrically and fixedly arranged at the top surface of the third motor 111, the limiting block 113 is used for providing a mounting plane and limiting, a first bidirectional screw 114 is rotatably arranged between the limiting blocks 113, the first bidirectional screw 114 is used for providing two threaded parts with different rotation directions and transmitting rotation force, an output shaft of the third motor 115 penetrates through and is fixedly connected with the first bidirectional screw 113, the third motor 115 is used for providing rotation force, the two U-shaped moving blocks 112 are respectively screwed with the threaded parts with different rotation directions of the first bidirectional screw 114, the top surface of the U-shaped moving block 112 is provided with a screw rod II 116 in a rotating way, the screw rod II 116 is used for transmitting rotating force, one side of the U-shaped moving block 112 is fixedly provided with a motor IV 117, the output end of the motor IV 117 penetrates through and rotates on the side surface of the U-shaped moving block 112 and is fixedly connected with the screw rod II 116, the motor IV 117 is used for providing rotating force, the screw rod II 116 is provided with a rectangular block 118 in a threaded way, the rectangular block 118 is used for providing a mounting plane and converting the rotating force into horizontal moving force, the side surfaces of the two rectangular grooves 2 are symmetrically provided with a first sliding groove 119, the first sliding groove 119 is used for providing a movable space, the bottom surface of the rectangular block 118 is contacted and slid on the bottom surface of the first sliding groove 119, one end of the rectangular block 118 far away from the screw rod II 116 is symmetrically provided with a rotating wheel 1110, the rotating wheel 1110 clamps and stabilizes wood boards and transmits the rotating force, the top surface of the rectangular block 118 is fixedly provided with a motor V1111, the motor five 1111 is used for providing the rotation force, the output of motor five 1111 and one of them runner 1110 fixed connection, the motor five 1111 of both sides is slope symmetry, the top surface of motor five 1111 is less than the top surface of spout one 119, spout two 1112 has all been seted up to rectangular piece 118 top surface, spout two 1112 is used for providing the installation space, spout two 1112 side is fixed to be provided with telescopic link three 1113, telescopic link three 1113 is used for providing water translation power, the movable end of telescopic link three 1113 is all fixed to be provided with movable part 1114, movable part 1114 is used for transmitting water translation power, movable part 1114 top all rotates and is provided with grinding roller 1115, grinding roller 1115 is used for carrying out the processing of polishing to timber board side, grinding roller 1115 is in the centre of two runners 1110, movable part 1114 top surface all is fixed to be provided with motor six 1116, motor six is used for providing the rotation force, the output of motor six 1116 all passes and rotates in movable part 1114 top surface and with grinding roller 1115 fixed connection.

When the structure is operated, firstly, the wood plate to be processed is placed on the clamping plate 102 below, the first telescopic rod 9 is started, the first telescopic rod 104 is extended, the clamping plate 102 is further enabled to move and ascend along with the wood plate, when the wood plate is ascended to the height of the rotating wheels 1110 on two sides, the third motor 115 is started, the third motor 115 is enabled to rotate to drive the U-shaped moving blocks 112 on two sides to move towards the side face of the wood plate simultaneously, the rotating wheels 1110 on two sides are enabled to contact with the side face of the wood plate and clamp the wood plate stably, the first telescopic rod 9 is started to shrink, the clamping plate 102 is enabled to leave a certain distance from the wood plate, the second telescopic rod 104 is started to extend, the second telescopic rod 104 is enabled to push the second motor box 105 to move outwards along with the cylindrical groove, the polishing disc 107 is enabled to be completely located outside the cylindrical groove, the second motor 106 is enabled to start rotating along with the polishing disc 107, the first telescopic rod 9 and the fourth telescopic rod 4 are enabled to move towards the side face of the wood plate simultaneously, the polishing disc 107 on two sides is enabled to be close to the surface of the wood plate and contact with the side face of the wood plate and clamp the side face of the wood plate stably, the first telescopic rod 104 is enabled to move towards the cylindrical groove, the first sliding table and the second sliding table can be polished to polish the surface of the wood plate completely through the round sliding table is enabled to polish the round surface of the round wood plate and the round wood plate is required to polish the round surface of the round wood plate.

When the side surface of the rectangular wood plate is required to be polished after the surface of the rectangular wood plate is polished, firstly, the motor II 106 is closed, the telescopic rod II 104 is started, the polishing disc 107 stops rotating, the polishing disc 107 is retracted into the cylindrical groove 103, the telescopic rod IV 4 and the telescopic rod I9 are started, the two clamping plates 102 clamp the rectangular wood plate stably, the bidirectional screw I114 is started again, the two rectangular blocks 118 are separated from the side surface of the rectangular wood plate, the rotating wheel 1110 is completely separated from the rectangular wood plate, the telescopic rod III 1113 is started again, the telescopic rod III 1113 extends, the moving piece 1114 is pushed by the telescopic rod III 1113 to move out of the sliding groove II 1112, the polishing roller 1115 gradually moves out of the sliding groove 1112 and completely exceeds the rotating wheel 1110, the bidirectional screw I114 is started again, the polishing rollers 1115 on two sides are gradually close to and are contacted with the side surface of the rectangular wood plate, the motor six 1116 is started in the process that the polishing roller 1115 contacts with the side surfaces of the rectangular wood plate, so that the polishing roller 1115 rotates at a high speed, the polishing roller 1115 rotating at a high speed can polish the side surfaces on two sides of the rectangular wood plate, the rectangular block 118 can horizontally move through the motor four 117, the polishing roller 1115 comprehensively polishes the side surfaces, when the side surfaces on two sides of the rectangular wood plate are polished, the two-way screw rod one 114 and the telescopic rod four 4 above are started, the polishing roller 1115 is far away from the rectangular wood plate and the clamping plate 102 above leave the rectangular wood plate, the motor one 7 is started again, the telescopic rod one 9 is driven to rotate by the rotation of the motor one 7, the cylinder 101 is driven to rotate by the telescopic rod two 104, the lower clamping plate 102 is driven to rotate by the cylinder 101, the rectangular wood plate is driven to rotate along with the clamping plate 102, at this time, the rotation speed is slower to ensure that the wood board is stable in rotation, when the other two side surfaces of the rectangular wood board are opposite to the polishing roller 1115, the motor I7 can be stopped, the telescopic rod I4 above is started again, the clamping plate 102 above clamps the rectangular wood board again, the other two side surfaces can be completely polished according to the principle of polishing the side surfaces, and when the other two side surfaces are polished, the side surfaces of the rectangular wood board are polished.

When the side surface of the round wood plate is required to be polished after polishing is finished, the telescopic rod II 104 is started firstly to enable the polishing disc 107 to shrink back into the cylindrical groove 103, the telescopic rod IV 4 above is started again, the clamping plate 102 above is far away from the round wood plate, the two motors V1111 are started again, the motors V1111 drive one of the rotating wheels 1110 to rotate, the two rotating wheels 1110 drive the round wood plate to rotate, the motor V1116 is started again, the motor V1116 drives the polishing roller 1115 to rotate at a high speed, the telescopic rod III 1113 is started again, the telescopic rod III 1113 pushes the moving piece 1114 to move towards the side surface of the round wood plate, the polishing roller 1115 rotating at a high speed is gradually close to the side surface of the round wood plate and contacts the side surface of the round wood plate, and the side surface of the round wood plate can be completely polished through slow rotation of the round wood plate and matching of the polishing roller 1115 rotating at a high speed.

Embodiment two:

Further, referring to fig. 6-7, both sides of the working case 1 are fixedly provided with a frame 141, and the top surface of the frame 141 is fixedly connected with the bottom surface of the extension platform 111, the frame 141 is used for providing an installation space, one side of the frame 141 is provided with a debris collecting box 142 in a drawable manner, the debris collecting box 142 is used for collecting the debris and is convenient for uniform cleaning, the inner side of the working case 1 is symmetrically provided with a notch 143, the notch 143 is used for providing an enlarged adsorption through hole, and the lower side of the notch 143 is provided with a chamfer, so that the debris is convenient to be removed, the notch 143 is provided with a plurality of round openings 144 communicated with the inside of the frame 141, the round openings 144 are used for providing a debris channel, the round openings 144 are positioned above the debris collecting box 142, one side of the frame 141 is fixedly provided with a pump 145, the output end of the pump 145 is communicated with the inside of the frame 141, the output end of the pump 145 is positioned above the debris collecting box 142, the output end port of the pump 145 is fixedly provided with a filter screen 146 for preventing the debris from passing through, and the filter screen 146 is used for preventing the debris from entering the pump 145 and making the debris fall into the collection box 142.

The structure can start the pump body 145 to pump air, and then the produced fragments during polishing can be sucked into the frame 141 through the round opening 144 and the notch 143, and the characteristics that the fragments can not pass through the filter screen 146 can be achieved, so that the fragments can fall into the fragment collecting box 142, and further the fragments can influence polishing quality and the movement of the polishing disc 107, and the fragments can be uniformly collected and cleaned conveniently.

Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art is able to solve the technical problem within a certain error range, substantially achieving the technical effect.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a commodity or system comprising such elements.

While the foregoing description illustrates and describes the preferred embodiments of the present application, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept as expressed herein, either as a result of the foregoing teachings or as a result of the knowledge or technology of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the application are intended to be within the scope of the appended claims.

Claims (7)

1. The utility model provides a timber board grinding device, its characterized in that, including work box (1), rectangular channel (2) have been seted up to the bilateral symmetry in work box (1), set up adjustable high lifter plate (3) in rectangular channel (2), lifter plate (3) bottom surface and work box (1) interior bottom surface all are provided with horizontal migration's mobile mechanism, on work box (1) fixed be provided with motor one (7) on mobile platform of mobile mechanism, motor one (7) overcoat has connected motor case one (8), the fixed telescopic link one (9) that is provided with of output of motor one (7), telescopic link one (9) top surface and lifter plate (3) bottom surface symmetry are provided with polishing subassembly one (10), work box (1) outside is provided with can carry out centre gripping and side polishing to the plank and polishes subassembly two (11).

2. The wood board polishing device according to claim 1, wherein the moving mechanism comprises two ball screw sliding tables (6), the first ball screw sliding table (5) is embedded on the inner bottom surface of the working box body (1) or the bottom surface of the lifting plate (3), and the fixed ends of the two ball screw sliding tables (6) are respectively fixed on the top surfaces of moving ends of the first ball screw sliding tables (5).

3. The wood board grinding device according to claim 1, wherein the first grinding assembly (10) comprises a column body (101), the column body (101) is fixed at the moving end of a ball screw sliding table II (6) above or the moving end of a telescopic rod I (9), clamping plates (102) are fixedly arranged on the top surface of the column body (101), cylindrical grooves (103) are formed in the top surface of the clamping plates (102), telescopic rods II (104) are fixedly arranged on the bottom surface of the cylindrical grooves (103), a motor box II (105) is fixedly arranged on the top surface of the moving end of the telescopic rod II (104), a motor II (106) is fixedly arranged in the motor box II (105), and grinding discs (107) are fixedly arranged at the output ends of the motor II (106).

4. The wood board polishing device according to claim 1, wherein the polishing component II (11) comprises a motor III (115), a stretching table (111) is fixedly arranged on the outer side of the working box body (1), U-shaped moving blocks (112) are symmetrically and slidingly arranged on the top surface of the stretching table (111), limiting blocks (113) are symmetrically and fixedly arranged on the top surface of the stretching table (111), a bi-directional screw I (114) is rotationally arranged between the limiting blocks (113), the motor III (115) is fixed on the side surface of the limiting blocks (113) on one side, an output shaft of the motor III (115) penetrates through and rotates on the side surface of the limiting blocks (113) and is fixedly connected with the bi-directional screw I (114), two U-shaped moving blocks (112) are respectively in threaded fit with threaded parts of different rotation directions of the bi-directional screw I (114), screw II (116) are rotationally arranged on the top surfaces of the U-shaped moving blocks (112), four motors (117) are fixedly arranged on one sides of the U-shaped moving blocks (112), output ends of the motor IV (117) penetrate through and are respectively provided with rectangular sliding grooves (118) on the bottom surfaces (118) of the two rectangular sliding blocks (116), the utility model discloses a grinding roller (1115) including rectangle piece (118), screw rod two (116) are kept away from to rectangle piece (118) one end equal symmetry rotation is provided with runner (1110), rectangle piece (118) top surface is all fixed be provided with motor five (1111), the output and one of them runner (1110) fixed connection of motor five (1111), spout two (1112) have all been seted up to rectangle piece (118) top surface, spout two (1112) one side is fixed be provided with telescopic link three (1113), the removal end of telescopic link three (1113) is all fixed be provided with moving part (1114), all rotate on moving part (1114) top end and be provided with grinding roller (1115), moving part (1114) top surface is all fixed be provided with motor six (1116), the output of motor six (1116) all passes and rotates in moving part (1114) top surface and with grinding roller (1115) fixed connection.

5. A wood veneer grinding apparatus according to claim 4, wherein the motors five (1111) on both sides are in an oblique symmetrical relationship, and the top surface of the motors five (1111) is lower than the top surface of the chute one (119).

6. A wood panel grinding apparatus according to claim 4, characterized in that the grinding roller (1115) is located in the middle of the two turning wheels (1110).

7. A wood board grinding device according to claim 1, characterized in that a through opening (13) is provided on one side of the working box (1) which can be opened or closed by means of a sliding door (12).