CN220094209U - Plank side burnishing device - Google Patents

Abstract

The utility model provides a wood board side polishing device which comprises a workbench, wherein a conveying belt and a positioning piece are arranged on the workbench, the conveying belt is arranged in the horizontal direction, the positioning piece is used for primarily positioning and guiding the side of a wood board to be polished, a polishing roller, a driving mechanism for driving the polishing roller to rotate and a shifting mechanism for driving the polishing roller and the driving mechanism to shift along the vertical direction are arranged on one side of the conveying belt, and a limiting mechanism for limiting the wood board to be polished in the vertical direction is further arranged on the workbench. The utility model has the advantages of high polishing efficiency, good polishing effect, high one-time qualification rate of the polishing of the side edges of the wood boards, capability of polishing the wood boards with different thicknesses, and no springboard and skateboard phenomena.

Description

Plank side burnishing device

Technical Field

The utility model relates to the technical field of wood board polishing, in particular to a wood board side edge polishing device.

Background

The plank needs the cutting in the use, and the edge of plank after the cutting is accomplished needs to be trimmed, polishing, among the prior art, adopts manual hand-held polishing machine to polish the plank side generally, and the defect of this kind of mode lies in, through the direction and the angle realization of manual control plank to the polishing processing of plank side, and workman's technique is great to the effect influence of polishing of plank, and polishing effect level is uneven, and workman intensity of labour is big simultaneously, leads to polishing inefficiency.

The prior application number is CN202120969297.8, which discloses a wood board side polishing device, and the technical scheme is that two polishing wheels are arranged on a workbench to polish two sides of a wood board, a crank at one end of a threaded rod is rotated to enable a first threaded block and a second threaded block to be far away, so that two second rotating wheels are opened, a drawing board is enabled to move to the left side in the workbench under the cooperation of a second connecting rod and a rotating rod, a bearing is enabled to move to the left side, the distance between the second polishing wheel and the first polishing wheel is adjusted, a bolt is inserted into the drawing board after the distance is adjusted, a bearing is fixed, and the second polishing wheel is prevented from moving.

The prior art has the following defects: when the wood board is in actual use, the wood boards are cut into boards with different widths according to actual needs, in the wood board side polishing device, the distance between two polishing wheels needs to be adjusted each time for the wood boards with different widths, and the two polishing wheels are adjusted each time to move close to or away from each other, so that the two polishing wheels can be respectively attached to the two sides of the wood board to be polished, a plurality of wood boards to be polished with the same width after each adjustment are inconvenient to accurately convey the wood boards to be polished between the two polishing wheels, the front ends of the wood boards to be polished are likely to be in direct contact with the polishing wheels, so that the wood boards are in springboard or skateboard phenomenon, the operation is inconvenient, time and labor are wasted, and the polishing efficiency of the wood boards is affected; meanwhile, the two grinding wheels of the wood board side grinding device only do rotary motion at the fixed position during polishing, and insufficient contact between the two side edges of the wood board and the two grinding wheels possibly occurs, so that partial grinding leakage phenomenon occurs on the side edges of the wood board, and the polishing effect is affected.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides the wood board side edge polishing device, which solves the problems that the wood board side edge polishing device in the prior art is inconvenient in wood board feeding and meanwhile the polishing effect of the wood board is poor.

According to the embodiment of the utility model, the wood board side polishing device comprises a workbench, wherein a conveying belt and a positioning piece are arranged on the workbench, the conveying belt is arranged along the horizontal direction, the positioning piece is used for primarily positioning and guiding the side of the wood board to be polished, a polishing roller, a driving mechanism for driving the polishing roller to rotate and a shifting mechanism for driving the polishing roller and the driving mechanism to shift along the vertical direction are arranged on one side of the conveying belt, and a limiting mechanism for limiting the wood board to be polished in the vertical direction is further arranged on the workbench.

Further, the axis of polishing roller is parallel with the vertical central line of conveyer belt, the polishing roller is a plurality of, and a plurality of polishing rollers are along conveyer belt pay-off direction interval arrangement, polishing roller coaxial fixed with back shaft, the back shaft runs through the polishing roller, and back shaft one end rotation installs on the drunkenness mechanism, actuating mechanism is a plurality of, a plurality of actuating mechanism and polishing roller one-to-one, actuating mechanism includes motor, turbine and worm, the fixed cover of turbine is established on the back shaft, motor fixed mounting is on the drunkenness mechanism, worm one end and motor output fixed connection, and worm and turbine meshing transmission.

Further, the bottom of the workbench is provided with a case, the case is provided with an inner cavity, the shifting mechanisms are located in the inner cavity, the shifting mechanisms are multiple, the shifting mechanisms are in one-to-one correspondence with the polishing rollers, each shifting mechanism comprises a telescopic piece and a lifting plate, the telescopic pieces are fixedly mounted on the bottom wall of the inner cavity, the lifting plates are located above the telescopic pieces, the bottom of the lifting plates are fixedly connected with the telescopic ends of the telescopic pieces, and the supporting shafts and the motors are mounted on the lifting plates.

Further, the axis of polishing roller is parallel with the vertical central line of conveyer belt, the polishing roller is a plurality of, and a plurality of polishing rollers are along conveyer belt pay-off direction interval arrangement, the coaxial back shaft that is fixed with of polishing roller, the back shaft runs through the polishing roller, and back shaft one end rotation is installed on the drunkenness mechanism, actuating mechanism includes motor and gear, the gear is a plurality of, and a plurality of gears and polishing roller one-to-one, the fixed cover of gear is established on the back shaft that corresponds, and two gears that correspond on two adjacent polishing rollers intermesh, the motor is installed on the drunkenness mechanism, motor output and a back shaft one end fixed connection.

Further, the workstation bottom is equipped with the machine case, the machine case has the inner chamber, the drunkenness mechanism is located the inner chamber, the drunkenness mechanism includes extensible member and lifter, extensible member fixed mounting is on the inner chamber diapire, the lifter is located the extensible member top, lifter bottom and extensible member flexible end fixed connection, a plurality of back shafts all rotate and install on the lifter, motor fixed mounting is in lifter bottom, and one of them back shaft bottom passes lifter and motor output fixed connection.

Further, the lifting plate is connected with a guide rod in a sliding manner, and the guide rod is fixed on the side wall or the bottom wall of the inner cavity along the vertical direction.

Further, be equipped with the bracing piece on the workstation, the bracing piece is two and two bracing pieces symmetrical arrangement at the output and the input of conveyer belt, stop gear installs between two bracing pieces and is located the conveyer belt top, stop gear includes mounting panel and pinch roller, the length direction of mounting panel is parallel with the pay-off direction of conveyer belt, the pinch roller is a plurality of, and a plurality of pinch roller is installed on the mounting panel along equidistant rotation of conveyer belt pay-off direction, the axis and the horizontal direction of pinch roller are parallel, and the axis and the pay-off direction of conveyer belt of pinch roller are perpendicular, form the clearance that supplies waiting to polish the plank to pass through between pinch roller and the conveyer belt.

Further, be equipped with adjustment mechanism between mounting panel and the bracing piece, adjustment mechanism is two, and two adjustment mechanism symmetry sets up at the mounting panel both ends, adjustment mechanism includes backup pad, mounting and connecting block, backup pad fixed mounting is on the bracing piece, the connecting block is located between mounting panel and the backup pad, the mounting includes first screw rod and first nut, be equipped with along vertical direction in the backup pad and supply first screw rod to pass through and first screw rod fixed position adjustable first rectangular groove, first screw rod one end and connecting block fixed connection, the first screw rod other end passes behind the first rectangular groove with first nut cooperation.

Further, be provided with the telescopic link between connecting block and the mounting panel, the outside cover of telescopic link is equipped with the spring, the one end fixed connection of spring is in the bottom of connecting block, the other end fixed connection of spring is at the top of mounting panel.

Further, the setting element is located one side of carrying, the setting element includes locating plate, adjustable board, second screw rod and second nut, adjustable board installs at the workstation upper surface, be equipped with on the adjustable board along the horizontal direction and supply the second screw rod to pass through and the adjustable second rectangular groove of second screw rod fixed position, the extending direction in second rectangular groove is perpendicular with the pay-off direction of conveyer belt, second screw rod one end and workstation upper surface fixed connection, the second screw rod other end passes behind the rectangular groove of second and cooperates with the second nut, the locating plate is located between adjustable board and the conveyer belt, the length direction of locating plate is parallel with the pay-off direction of conveyer belt, locating plate one side and adjustable board one side fixed connection.

Compared with the prior art, the utility model has the following beneficial effects: through setting up the setting element for the plank can be with waiting to polish the side and support and lean on the setting element when polishing at every turn, easily accomplish the preliminary location of waiting to polish the plank, the plank is moved under the drive of conveyer belt simultaneously, and the setting element is laminated with the plank waiting to polish the side, plays the guide effect to the plank, can accomplish the pay-off step of plank fast accurately; the polishing roller moves up and down while rotating, so that the contact between the polishing roller and the side edge to be polished of the wood board is greatly increased, the phenomenon of grinding leakage is avoided, and the side edge polishing effect of the wood board is good; through setting up stop gear, carry out spacingly to the plank in vertical direction, prevent that the plank from appearing the springboard phenomenon when polishing.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a front view of fig. 1.

Fig. 3 is a schematic diagram of the structure at a in fig. 2.

Fig. 4 is a schematic structural view of another view of fig. 1.

Fig. 5 is a schematic diagram of the structure at B in fig. 4.

Fig. 6 is a schematic view showing a mounting structure of a polishing roller according to a first embodiment of the present utility model.

Fig. 7 is a schematic view of the structure of fig. 6 from another view angle.

Fig. 8 is a side view of fig. 7.

Fig. 9 is a schematic view of a polishing roller mounting structure in a second embodiment of the present utility model.

In the above figures: 1. a work table; 2. a conveyor belt; 3. polishing rollers; 4. a support shaft; 5. a motor; 6. a turbine; 7. a worm; 8. a chassis; 9. a telescoping member; 10. a lifting plate; 11. a gear; 12. a bearing; 13. a first guide bar; 14. a second guide bar; 15. a support rod; 16. a mounting plate; 17. a pressing roller; 18. a support plate; 19. a connecting block; 20. a first screw; 21. a first nut; 22. a telescopic rod; 23. a spring; 24. a positioning plate; 25. an adjustable plate; 26. a second screw; 27. a second nut; 28. a partition plate; 29. an auxiliary wheel; 30. a via hole; 31. an induced draft fan; 32. a driving motor; 33. a universal wheel; 34. a dust-blocking plate; 35. a catheter.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

Example 1

As shown in fig. 1-8, the embodiment of the utility model provides a board side polishing device, which comprises a workbench 1, wherein a conveying belt 2 and a positioning piece are arranged on the workbench 1, the conveying belt 2 is arranged along the horizontal direction, the positioning piece is used for primarily positioning and guiding the board side to be polished, a polishing roller 3, a driving mechanism for driving the polishing roller 3 to rotate and a shifting mechanism for driving the polishing roller 3 and the driving mechanism to shift along the vertical direction are arranged on one side of the conveying belt 2, and a limiting mechanism for limiting the board to be polished in the vertical direction is further arranged on the workbench 1. According to the embodiment of the utility model, the locating piece is arranged, so that the side edge to be polished can be abutted against the locating piece when the wood board is polished each time, the preliminary locating of the wood board to be polished is easily completed, meanwhile, the wood board is driven by the conveying belt 2 to move, the locating piece is attached to the side edge to be polished of the wood board, the wood board is guided, and the feeding step of the wood board can be completed rapidly and accurately; the polishing roller 3 moves up and down while rotating, so that the contact between the polishing roller 3 and the side to be polished of the wood board is greatly increased, the phenomenon of missing grinding is avoided, the side polishing effect of the wood board is good, meanwhile, the surface of the polishing roller 3 is uniformly contacted with the side of the wood board, the surface of the polishing roller 3 is uniformly worn, and the service life of the polishing roller 3 is prolonged; through setting up stop gear, carry out spacingly to the plank in vertical direction, prevent that the plank from appearing the springboard phenomenon when polishing.

As shown in fig. 1, fig. 6 and fig. 7, the axis of the polishing roller 3 is parallel to the vertical direction, the polishing roller 3 is a plurality of, the polishing rollers 3 are arranged at intervals along the feeding direction of the conveying belt 2, the polishing roller 3 is coaxially fixed with a supporting shaft 4, the supporting shaft 4 penetrates through the polishing roller 3, the bottom end of the supporting shaft 4 is rotatably arranged on a shifting mechanism through a bearing 12, the driving mechanism is a plurality of, the driving mechanism is in one-to-one correspondence with the polishing roller 3, the driving mechanism comprises a motor 5, a turbine 6 and a worm 7, the turbine 6 is fixedly sleeved on the supporting shaft 4, the motor 5 is fixedly arranged on the shifting mechanism, one end of the worm 7 is fixedly connected with the output end of the motor 5, and the worm 7 and the turbine 6 are in meshed transmission. In this embodiment, polishing roller 3 is three, and a plurality of polishing rollers 3 polish the plank side jointly, guarantees the disposable qualification rate of this side, and polishing efficiency is high, and polishes effectually, and polishing roller 3 drunkenness from top to bottom when the pivoted for plank side and polishing roller 3 surface fully contact, avoid the phenomenon of missing the grinding, and motor 5 drives worm 7 and rotates, and worm 7 drives turbine 6, back shaft 4, polishing roller 3 rotation.

As shown in fig. 1, 6 and 7, the bottom of the workbench 1 is provided with a case 8, the case 8 is provided with an inner cavity, the shifting mechanisms are located in the inner cavity, the shifting mechanisms are multiple and correspond to the polishing rollers 3 one by one, each shifting mechanism comprises a telescopic piece 9 and a lifting plate 10, the telescopic piece 9 is fixedly installed on the bottom wall of the inner cavity, the lifting plate 10 is located above the telescopic piece 9, the middle position of the bottom of the lifting plate 10 is fixedly connected with the telescopic end of the telescopic piece 9, and the supporting shaft 4 and the motor 5 are installed on the upper surface of the lifting plate 10. In this embodiment, the telescopic member 9 may be an air cylinder or a hydraulic cylinder, and the telescopic member 9 stretches and contracts to drive the lifting plate 10 to lift or descend along the vertical direction, so as to drive the polishing roller 3 to move up and down.

As shown in fig. 6-8, in this embodiment, a first guide rod 13 is slidingly connected to the lifting plate 10, a partition plate 28 is disposed in the inner cavity, the partition plate 28 is perpendicular to the bottom wall of the inner cavity, the length direction of the partition plate 28 is parallel to the feeding direction of the conveying belt 2, the partition plate 28 divides the inner cavity into a first chamber and a second chamber, in this embodiment, the first guide rod 13 is shown in fig. 6, the section of the first guide rod 13 is trapezoid, the first guide rod 13 is fixedly mounted on the partition plate 28 and the side wall of the inner cavity, two trapezoid sliding grooves are symmetrically formed on two sides of each lifting plate 10, the first guide rods 13 are embedded in the sliding grooves and are slidingly matched with the sliding grooves, and the first guide rods 13 can guide lifting of the lifting plate 10 in the vertical direction.

As shown in fig. 1-5, the workbench 1 is provided with two support rods 15, the two support rods 15 are symmetrically arranged at the output end and the input end of the conveyor belt 2, the two support rods 15 are located at the same side of the conveyor belt 2, the two support rods 15 are respectively located at two sides of the polishing roller 3, the limiting mechanism is installed between the two support rods 15 and located above the conveyor belt 2, the limiting mechanism comprises a mounting plate 16 and a pressing roller 17, the length direction of the mounting plate 16 is parallel to the feeding direction of the conveyor belt 2, the pressing rollers 17 are a plurality of pressing rollers 17 are installed on the mounting plate 16 in a rotating manner at equal intervals along the feeding direction of the conveyor belt 2, the axis of the pressing roller 17 is parallel to the horizontal direction, the axis of the pressing roller 17 is perpendicular to the feeding direction of the conveyor belt 2, and a gap for a wood board to be polished to pass through is formed between the pressing roller 17 and the conveyor belt 2. In this embodiment, the pressing roller 17 is provided to prevent the springboard phenomenon from occurring when the board is polished, and at the same time, the pressing rollers 17 are in contact with the upper surface of the board, and the lower surface of the board is in contact with the conveyor belt 2, so that the board is not easy to have the springboard phenomenon.

As shown in fig. 1-5, an adjusting mechanism is arranged between the mounting plate 16 and the supporting rod 15, two adjusting mechanisms are symmetrically arranged at two ends of the mounting plate 16, the adjusting mechanism comprises a supporting plate 18, a fixing piece and a connecting block 19, the supporting plate 18 is fixedly arranged on the supporting rod 15, the connecting block 19 is located between the mounting plate 16 and the supporting plate 18, the fixing piece comprises a first screw rod 20 and a first nut 21, a first strip-shaped groove for the first screw rod 20 to pass through and with the fixing position of the first screw rod 20 adjustable is formed in the supporting plate 18 along the vertical direction, one end of the first screw rod 20 is fixedly connected with the connecting block 19, and the other end of the first screw rod 20 is matched with the first nut 21 after passing through the first strip-shaped groove to form locking fixation for the connecting block 19 and the supporting plate 18. In this embodiment, the first nut 21 is loosened, the first nut 21 is tightened after the connecting block 19 is moved, so that the height of the pressing roller 17 can be adjusted, and wood boards with different thicknesses can be pressed.

As shown in fig. 3, a telescopic rod 22 is disposed between the connecting block 19 and the mounting plate 16, a spring 23 is sleeved outside the telescopic rod 22, one end of the spring 23 is fixedly connected to the bottom of the connecting block 19, and the other end of the spring 23 is fixedly connected to the top of the mounting plate 16. In this embodiment, the gap between the pressing roller 17 and the conveyor belt 2 is slightly smaller than the thickness of the wood board to be polished, so that the pressing roller 17 can pre-press the wood board passing through the gap.

As shown in fig. 1, fig. 2 and fig. 5, the locating piece is located and carries one side, the locating piece includes locating plate 24, adjustable board 25, second screw rod 26 and second nut 27, adjustable board 25 installs at workstation 1 upper surface, be equipped with the second rectangular groove that supplies second screw rod 26 to pass through and second screw rod 26 fixed position adjustable on the adjustable board 25 along the horizontal direction, the extending direction in second rectangular groove is perpendicular with the pay-off direction of conveyer belt 2, second screw rod 26 one end and workstation 1 upper surface fixed connection, the second screw rod 26 other end passes behind the rectangular groove of second and cooperates with second nut 27, forms locking fixed to adjustable board 25 and workstation 1, locating plate 24 is located between adjustable board 25 and the conveyer belt 2, the length direction of locating plate 24 is parallel with the pay-off direction of conveyer belt 2, locating plate 24 one side and adjustable board 25 one side fixed connection. In this embodiment, the positioning plate 24 is angle steel, the second nut 27 is loosened, the second nut 27 is tightened after the adjusting plate is moved, and the distance between the positioning plate 24 and the conveyor belt 2 can be adjusted, so that the side edge of the wood board and the outer surface of the polishing roller 3 can be kept in contact all the time.

In the above embodiment, the support rod 15 is L-shaped, and two ends of the L-shaped support rod 15 are fixedly connected with the upper surface of the workbench 1 and the support plate 18 respectively; the dust baffle 34 is arranged on the periphery of the polishing roller 3, and the vertical height of the mounting plate 16 can be higher, so that scraps and dust generated during polishing and grinding can fall into the inner cavity of the case 8 as much as possible, and environmental pollution and health hidden danger to the body of a user are avoided; as shown in fig. 8, the polishing roller 3 is located in a first cavity of an inner cavity of the machine case 8, an induced draft fan 31 can be arranged in a second cavity, a through hole 30 is formed in the partition plate 28, and the induced draft fan 31 is communicated with the first cavity through a conduit 35, so that dust and debris falling in the cavity of the first cavity are concentrated, the workload of a user is reduced, and meanwhile, a driving motor 325 of the conveying belt 2 is also arranged in the second cavity and used for driving the conveying belt 2 to work; the bottom of the case 8 can be provided with universal wheels 33, so that the whole device can conveniently move; the auxiliary wheels 29 can be arranged on the side wall of the workbench 1 far away from the polishing roller 3, the auxiliary wheels 29 are parallel to the pressing roller 17, the tops of the auxiliary wheels 29 are flush with the upper surface of the conveying belt 2, the auxiliary wheels 29 are multiple and are arranged along the feeding direction of the conveying belt 2, and the auxiliary wheels 29 can assist a user to polish and discharge a large wood plate.

During the in-service use, place the plank that will polish at the pay-off end of conveyer belt 2, plank one side offsets and laminates with locating plate 24, plank is along conveyer belt 2 pay-off direction removal under conveyer belt 2 and locating plate 24's effect, polishing roller 3 rotates under the actuating mechanism drive to the drunkenness from top to bottom under the drunkenness mechanism effect simultaneously, polishing roller 3 surface and plank side fully contact and polish, the plank can not the springboard under stop gear effect, until the plank side accomplishes polishing processing, whole course of working degree of automation is higher, polishing efficiency is high, polishing effect is good.

Example two

As shown in fig. 9, the difference between the present embodiment and the first embodiment is that the driving mechanism includes a motor 5 and a plurality of gears 11, the plurality of gears 11 are in one-to-one correspondence with the polishing rollers 3, the gears 11 are fixedly sleeved on the corresponding supporting shafts 4, the two corresponding gears 11 on the two adjacent polishing rollers 3 are meshed with each other, the motor 5 is mounted on the shifting mechanism, and the output end of the motor 5 is fixedly connected with the bottom end of the left supporting shaft 4.

As shown in fig. 9, the play mechanism includes a telescopic member 9 and a lifting plate 10, the telescopic member 9 is fixedly mounted on the bottom wall of the inner cavity, the lifting plate 10 is located above the telescopic member 9, the middle position of the bottom of the lifting plate 10 is fixedly connected with the telescopic end of the telescopic member 9, the three support shafts 4 are rotatably mounted on the lifting plate 10 through bearings 12, the motor 5 is fixedly mounted on the left side of the bottom of the lifting plate 10, and the bottom end of the left support shaft 4 passes through the lifting plate 10 and is fixedly connected with the output end of the motor 5. In this embodiment, the motor 5 drives the left support shaft 4 to rotate, and the left support shaft 4 drives the rest support shafts 4 to rotate through the gear 11, so that the three polishing rollers 3 can perform polishing processing, two ends of the lifting plate 10 are respectively and slidably provided with a second guide rod 14, and the bottom end of the second guide rod 14 is fixedly arranged on the bottom wall of the inner cavity. In this embodiment, when the interval between two adjacent support shafts 4 is larger, the sprocket and the chain can be used to replace the gear 11, two sprockets are axially arranged on the support shaft 4 in the middle along the support shaft 4, one sprocket is respectively arranged on the support shafts 4 on two sides, and the two sprockets are connected between the sprockets through the chain transmission.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims (10)

1. The utility model provides a plank side burnishing device which characterized in that: including workstation (1), be equipped with conveyer belt (2) and setting element on workstation (1), conveyer belt (2) are arranged along the horizontal direction, the setting element is used for treating polishing plank side and carries out preliminary location and direction, conveyer belt (2) one side is provided with polishing roller (3), is used for driving polishing roller (3) pivoted actuating mechanism and is used for driving polishing roller (3) and actuating mechanism and follows the drunkenness mechanism of vertical direction drunkenness, still be equipped with on workstation (1) and be used for treating polishing plank and carry out spacing stop gear in the vertical direction.

2. A board side edge polishing device as claimed in claim 1, wherein: the axis of polishing roller (3) is parallel with the vertical central line of conveyer belt (2), polishing roller (3) are a plurality of, and a plurality of polishing rollers (3) are along conveyer belt (2) pay-off direction interval arrangement, polishing roller (3) coaxial fixed with back shaft (4), back shaft (4) run through polishing roller (3), and back shaft (4) one end rotation is installed on the drunkenness mechanism, actuating mechanism is a plurality of, a plurality of actuating mechanism and polishing roller (3) one-to-one, actuating mechanism includes motor (5), turbine (6) and worm (7), the fixed cover of turbine (6) is established on back shaft (4), motor (5) fixed mounting is on the drunkenness mechanism, worm (7) one end and motor (5) output fixed connection, and worm (7) and turbine (6) meshing transmission.

3. A board side edge polishing device as claimed in claim 2, wherein: the utility model provides a polishing machine is characterized in that a machine case (8) is arranged at the bottom of the workbench (1), the machine case (8) is provided with an inner cavity, a plurality of shifting mechanisms are arranged in the inner cavity, each shifting mechanism corresponds to one polishing roller (3) one by one, each shifting mechanism comprises a telescopic part (9) and a lifting plate (10), each telescopic part (9) is fixedly arranged on the bottom wall of the inner cavity, each lifting plate (10) is arranged above each telescopic part (9), the bottom of each lifting plate (10) is fixedly connected with the telescopic end of each telescopic part (9), and each supporting shaft (4) and each motor (5) are arranged on each lifting plate (10).

4. A board side edge polishing device as claimed in claim 1, wherein: the axis of polishing roller (3) is parallel with the vertical central line of conveyer belt (2), polishing roller (3) are a plurality of, and a plurality of polishing rollers (3) are along conveyer belt (2) pay-off direction interval arrangement, polishing roller (3) coaxial fixed with back shaft (4), back shaft (4) run through polishing roller (3), and back shaft (4) one end rotation is installed on the drunkenness mechanism, actuating mechanism includes motor (5) and gear (11), gear (11) are a plurality of, and a plurality of gears (11) and polishing roller (3) one-to-one, gear (11) fixed cover is established on corresponding back shaft (4), and two gears (11) intermeshing that correspond on two adjacent polishing rollers (3), motor (5) are installed on the drunkenness mechanism, motor (5) output and a back shaft (4) one end fixed connection.

5. A board side edge polishing device as defined in claim 4, wherein: the utility model provides a workbench (1) bottom is equipped with quick-witted case (8), machine case (8) have the inner chamber, drunkenness mechanism is located the inner chamber, drunkenness mechanism includes extensible member (9) and lifter (10), extensible member (9) fixed mounting is on the inner chamber diapire, lifter (10) are located extensible member (9) top, lifter (10) bottom and extensible member (9) flexible end fixed connection, a plurality of back shafts (4) are all rotated and are installed on lifter (10), motor (5) fixed mounting is in lifter (10) bottom, and lifter (10) and motor (5) output fixed connection are passed to one of them back shaft (4) bottom.

6. A board side edge polishing apparatus as claimed in any one of claim 3 or claim 5, wherein: the lifting plate (10) is connected with a guide rod in a sliding manner, and the guide rod is fixed on the side wall or the bottom wall of the inner cavity along the vertical direction.

7. A board side edge polishing device as claimed in claim 1, wherein: be equipped with bracing piece (15) on workstation (1), bracing piece (15) are two and two bracing pieces (15) symmetrical arrangement is at the output and the input of conveyer belt (2), stop gear installs between two bracing pieces (15) and is located conveyer belt (2) top, stop gear includes mounting panel (16) and pinch roller (17), the length direction of mounting panel (16) is parallel with the pay-off direction of conveyer belt (2), pinch roller (17) are a plurality of, and equidistant rotation of a plurality of pinch roller (17) is installed on mounting panel (16) along conveyer belt (2) pay-off direction, the axis and the horizontal direction of pinch roller (17) are parallel, and the axis and the pay-off direction of conveyer belt (2) of pinch roller (17) are perpendicular, form the clearance that supplies to wait to polish the plank to pass through between pinch roller (17) and conveyer belt (2).

8. A board side edge polishing device as defined in claim 7, wherein: be equipped with adjustment mechanism between mounting panel (16) and bracing piece (15), adjustment mechanism is two, and two adjustment mechanism symmetries set up at mounting panel (16) both ends, adjustment mechanism includes backup pad (18), mounting and connecting block (19), backup pad (18) fixed mounting is on bracing piece (15), connecting block (19) are located between mounting panel (16) and backup pad (18), the mounting includes first screw rod (20) and first nut (21), be equipped with on backup pad (18) along vertical direction and supply first screw rod (20) to pass through and first screw rod (20) fixed position adjustable first rectangular groove, first screw rod (20) one end and connecting block (19) fixed connection, the first screw rod (20) other end pass behind the first rectangular groove with first nut (21) cooperation.

9. A board side edge polishing device as claimed in claim 8, wherein: a telescopic rod (22) is arranged between the connecting block (19) and the mounting plate (16), a spring (23) is sleeved outside the telescopic rod (22), one end of the spring (23) is fixedly connected to the bottom of the connecting block (19), and the other end of the spring (23) is fixedly connected to the top of the mounting plate (16).

10. A board side edge polishing device as claimed in claim 1, wherein: the locating piece is located one side of carrying, the locating piece includes locating plate (24), adjustable board (25), second screw rod (26) and second nut (27), adjustable board (25) are installed at workstation (1) upper surface, be equipped with on adjustable board (25) along the horizontal direction and supply second screw rod (26) to pass through and second screw rod (26) fixed position adjustable second rectangular groove, the extending direction in second rectangular groove is perpendicular with the pay-off direction of conveyer belt (2), second screw rod (26) one end and workstation (1) upper surface fixed connection, second screw rod (26) other end pass behind the second rectangular groove with second nut (27) cooperation, locating plate (24) are located between adjustable board (25) and conveyer belt (2), the length direction in locating plate (24) is parallel with the pay-off direction of conveyer belt (2), locating plate (24) one side and adjustable board (25) one side fixed connection.