CN221495449U - Plank side burnishing device - Google Patents

Abstract

The utility model relates to the technical field of wood board polishing. The utility model particularly discloses a plank side burnishing device, which comprises a supporting rack, be provided with the conveyer belt on the support frame, the both sides of conveyer belt all are provided with the mount pad, two all be provided with a plurality of polishing discs on the mount pad, be provided with the adjustment subassembly that is used for adjusting the distance between two mount pads on the support frame, be provided with the locating component that is used for carrying out centre gripping location to the plank on the support frame, the top of support frame is provided with the pressing component that is used for pressing the plank. The wood board polishing device has the advantages that the wood board is positioned by the positioning assembly and the pressing assembly, the possibility of left and right shaking of the wood board in the advancing and polishing processes is reduced, the pressing assembly can avoid the condition that the wood board is warped to a certain extent, so that the wood board is not easy to misplace and deviate, side polishing can be performed more stably, the labor intensity of workers is reduced, and the working efficiency is improved.

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

When the wood board is processed, polishing is extremely important, and is generally performed by firstly polishing with an angle grinder and then polishing with sand paper, and sequentially polishing from coarse sand paper to fine sand paper, when the side polishing is performed, the polishing machine is manually operated to move on the side of the wood board, and the movement direction of the polishing machine needs to be manually controlled in the moving process.

Disclosure of utility model

In order to overcome the defects in the prior art, the application provides a wood board side edge polishing device.

The application provides a plank side edge polishing device, which adopts the following technical scheme:

The utility model provides a plank side burnishing device, includes the support frame, be provided with the conveyer belt on the support frame, the both sides of conveyer belt all are provided with the mount pad, two all be provided with a plurality of polishing discs on the mount pad, still be provided with on the mount pad and be used for driving a plurality of polishing disc synchronous pivoted power module, be provided with the adjustment subassembly that is used for adjusting the distance between two mount pads on the support frame, be provided with the locating component that is used for carrying out the centre gripping location to the plank on the support frame, the locating component includes first installation pole and second installation pole, first installation pole and second installation pole set up respectively in the both sides of conveyer belt, the top of first installation pole and second installation pole all is provided with the grip block, two evenly be provided with a plurality of runners along self length direction on the grip block, the grip block passes through coupling assembling and links to each other with first installation pole, another the bottom of support frame is provided with the drive assembly that is used for driving first installation pole and second installation pole towards mutual approaching or keeping away from each other towards the direction of moving towards each other, the drive assembly's top of support frame is provided with and is used for pressing the plank.

Through adopting above-mentioned technical scheme, the staff uses the interval adjustment between the mount pad of adjusting part with the conveyer belt both sides to suitable position according to the concrete dimension of this batch plank, then places the plank on the conveyer belt, the conveyer belt will bring the plank towards the direction transportation that is close to the polishing dish, the in-process that the plank removed, positioning assembly will be under the circumstances that does not influence the plank to advance, the plank is fixed a position, reduce the plank and advance and the likelihood of taking place to rock about polishing in-process, press the subassembly will avoid the condition that the plank takes place the wane to a certain extent, thereby make the plank be difficult for dislocation and off tracking, can carry out the side polishing more steadily, when reducing staff intensity of labour, improve work efficiency.

Optionally, coupling assembling includes head rod, second connecting rod and first spring, head rod cavity sets up, and the one end of head rod links to each other with first installation pole, the one end and the grip block of second connecting rod link to each other, the other end slip of second connecting rod sets up the inside at head rod, the one end and the head rod of first spring link to each other, the other end links to each other with the second connecting rod, evenly be provided with a plurality of coupling assembling between grip block and the first installation pole, the shape size of first installation pole and second installation pole is unanimous, also evenly be provided with a plurality of coupling assembling on the second installation pole.

Through adopting above-mentioned technical scheme, when drive assembly driven first installation pole and second installation pole towards the direction removal in-process that is close to each other, the runner will contact with the side of plank, then first spring is compressed, and first spring after the compression has the trend of extension, consequently will promote second connecting rod, grip block and runner extrusion plank to carry out relative fixed to the position of plank, simultaneously, the runner is in rolling contact with the side of plank, thereby does not influence the advance state of plank.

Optionally, the drive assembly includes first driving motor, transmission shaft, first bevel gear, second bevel gear, first two-way lead screw, second two-way lead screw, third bevel gear, fourth bevel gear, first two-way lead screw sets up the one end at the support frame, and first two-way lead screw passes through the screw thread and is connected with first installation pole and second installation pole, the second two-way lead screw sets up the other end at the support frame, and the second two-way lead screw passes through the screw thread and is connected with another first installation pole and second installation pole, the coaxial one end at first two-way lead screw of third bevel gear, the coaxial one end at the second two-way lead screw of fourth bevel gear, first driving motor sets up on the support frame, the transmission shaft links to each other with the output shaft coaxial of first driving motor, first bevel gear and the second bevel gear all coaxial setting are on the transmission shaft, first bevel gear meshes with the third bevel gear mutually, the second bevel gear meshes with the fourth bevel gear mutually.

Through adopting above-mentioned technical scheme, start first driving motor, first driving motor pivoted in-process will drive the transmission shaft and rotate, transmission shaft pivoted in-process will drive first bevel gear and second bevel gear synchronous rotation, first bevel gear pivoted in-process will drive third bevel gear and rotate, third bevel gear pivoted in-process will drive first two-way lead screw, first two-way lead screw pivoted in-process will drive first installation pole and second installation pole and move towards the direction that keeps away from each other or is close to each other, second bevel gear pivoted in-process will drive fourth bevel gear and rotate, fourth bevel gear pivoted in-process will drive second two-way lead screw, second two-way lead screw pivoted in-process will drive another first installation pole and second installation pole and move towards the direction that keeps away from each other or is close to each other, thereby drive locating component and carry out the centre gripping fixed to the plank.

Optionally, press the subassembly and include the connecting seat, press roller and adjust the pole, adjust the pole and set up on the support frame along vertical direction, and adjust pole and support frame threaded connection, the connecting seat sets up in the bottom of adjusting the pole, be provided with the guide bar along vertical direction on the connecting seat, guide bar and support frame sliding connection, the bottom of connecting seat is provided with the mounting panel, evenly be provided with a plurality of second springs between connecting seat and the mounting panel, press the both ends of roller and all rotate and set up on the mounting panel, the one end that the connecting seat was kept away from to the pole is provided with the hand wheel.

Through adopting above-mentioned technical scheme, the staff is according to the thickness of current batch plank, before polishing the plank, rotates the hand wheel, hand wheel pivoted in-process will drive the regulation pole and rotate to adjust the installation height of connecting seat, the guide bar is prescribe a limit to the direction of advance of connecting seat, after pressing roller and plank contact, the second spring will be extruded, extruded second spring has the trend of extension, consequently at plank removal's in-process, the second spring will make pressing roller press the plank, pressing roller can rotate, consequently, do not influence the plank and advance towards the mill.

Optionally, the adjustment subassembly includes pneumatic cylinder, slide and two slide bars, slide horizontal slip sets up the bottom at the support frame, set up the spout that is the V style of calligraphy on the slide, two slide bars and two mount pad one-to-one and be connected, and two slide bars slide the both ends that set up at the spout of V style of calligraphy respectively, the cylinder body of pneumatic cylinder is fixed to be set up the bottom at the support frame, the piston rod of pneumatic cylinder links to each other with the slide.

By adopting the technical scheme, the hydraulic cylinder is started, the piston rod of the hydraulic cylinder stretches out towards the direction away from the cylinder body, the sliding plate is pushed to move in the moving process of the piston rod, and the two sliding rods are driven to slide along the V-shaped sliding grooves in the moving process of the sliding plate, so that the two mounting seats move towards the directions close to each other or away from each other.

Optionally, the power component includes second driving motor and a plurality of belt pulley, and is a plurality of the belt pulley and a plurality of dish of polishing one-to-one, the belt pulley links to each other with the dish is coaxial to polish, second driving motor sets up on the mount pad, second driving motor's output passes through the belt and rotates with the belt pulley and be connected.

Through adopting above-mentioned technical scheme, start the second driving motor, the second driving motor will drive one of them and polish the dish rotation, polish and set pivoted in-process and drive other polishing through belt and belt pulley and rotate, polish and set pivoted in-process and will be can polish the side of plank.

Optionally, a plurality of locating holes have evenly been seted up along self length direction on the side of slide, the bottom of support frame slides and is provided with the inserted bar, the inserted bar is inserted and is established in the locating hole.

Through adopting above-mentioned technical scheme, when adjusting the mount pad that is located the conveyer belt both sides to appointed position through adjusting component, insert the inserted bar in the locating hole to fix the current position of slide, and then fix the position between two mount pads.

Optionally, both ends of conveyer belt all are provided with the locating component that is used for carrying out centre gripping location to the plank and press the subassembly that presses to the plank.

Through adopting above-mentioned technical scheme, through all setting up locating component and pressing component at the both ends of conveyer belt to can further improve the positioning action to the plank, make the plank be difficult for dislocation and off tracking in the burnishing and polishing process, polish more steadily.

The utility model has the following advantages:

1. Through setting up locating component and pressing component, when the in-process that the plank moved, locating component will be under the circumstances that does not influence the plank and advance, will be to the plank location, reduce the plank and advance and the possibility that the in-process of polishing takes place to rock about, pressing component will avoid the condition that the plank takes place the wane to a certain extent to make the plank be difficult for dislocation and off tracking, can carry out the side more steadily and polish, when reducing staff intensity of labour, improve work efficiency;

2. the adjusting component is arranged, so that boards of various models can be polished conveniently;

3. through setting up the inserted bar and seting up the locating hole, when adjusting the mount pad that is located the conveyer belt both sides to appointed position through adjusting part, insert the inserted bar in the locating hole to fix the current position of slide, and then fix the position between two mount pads.

Drawings

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

FIG. 2 is a schematic view of the mounting structure of the drive assembly of the present utility model;

FIG. 3 is a schematic view of the mounting structure of the connection assembly of the present utility model;

FIG. 4 is a schematic view of the mounting structure of the adjustment assembly of the present utility model;

FIG. 5 is a schematic view of the mounting structure of the insert pin and the locating hole of the present utility model;

FIG. 6 is a schematic view of the mounting structure of the pressing assembly of the present utility model;

In the figure: 1. a support frame; 11. a conveyor belt; 12. a mounting base; 13. polishing the grinding disc; 2. a power assembly; 21. a second driving motor; 22. a belt pulley; 23. a belt; 3. an adjustment assembly; 31. a hydraulic cylinder; 32. a slide plate; 33. a slide bar; 34. a chute; 35. positioning holes; 36. a rod; 4. a positioning assembly; 41. a first mounting bar; 42. a second mounting bar; 43. a clamping plate; 44. a rotating wheel; 5. a connection assembly; 51. a first connecting rod; 52. a second connecting rod; 53. a first spring; 61. a first driving motor; 62. a transmission shaft; 63. a first bevel gear; 64. a second bevel gear; 65. a first bidirectional screw rod; 66. a second bidirectional screw rod; 67. a third bevel gear; 68. a fourth bevel gear; 7. a pressing assembly; 71. a connecting seat; 72. pressing rollers; 73. an adjusting rod; 74. a guide rod; 75. a mounting plate; 76. a second spring; 77. a hand wheel; 8. and (5) a wood board.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following.

As shown in fig. 1 to 6, a wood board side polishing device comprises a supporting frame 1, wherein a conveying belt 11 is installed on the supporting frame 1, mounting seats 12 are installed on two sides of the conveying belt 11, a plurality of polishing discs 13 are installed on the two mounting seats 12, a power component 2 for driving the polishing discs 13 to synchronously rotate is also installed on the mounting seats 12, an adjusting component 3 for adjusting the distance between the two mounting seats 12 is installed on the supporting frame 1, a positioning component 4 for clamping and positioning a wood board 8 is installed on the supporting frame 1, the positioning component 4 comprises a first mounting rod 41 and a second mounting rod 42, the first mounting rod 41 and the second mounting rod 42 are respectively installed on two sides of the conveying belt 11, clamping plates 43 are installed on the tops of the first mounting rod 41 and the second mounting rod 42, a plurality of rotating wheels 44 are uniformly installed on the two clamping plates 43 along the length direction of the two clamping plates, the clamping plates 43 are connected with the first mounting rod 41 through a connecting component 5, the other clamping plates 43 are connected with the second mounting rod 42 through the connecting component 5, the bottom of the supporting frame 1 is provided with a first mounting rod 41 and a second mounting rod 42 for driving the first mounting rod 41 and the second mounting rod 41 to move towards the direction of the top of the mutual driving component 7 or the mutual driving component 7 is arranged towards the top of the supporting frame 1; the staff uses adjusting part 3 to adjust the interval between the mount pad 12 of conveyer belt 11 both sides to suitable position according to the concrete dimension of this batch plank 8, then place plank 8 on the conveyer belt 11, conveyer belt 11 will bring plank 8 towards the direction transportation that is close to the mill 13, the in-process that plank 8 removed, positioning part 4 will not influence the plank 8 under the circumstances that advances, carry out the location to plank 8, reduce plank 8 and advance and the likelihood of taking place to rock about the polishing in-process, press part 7 will avoid plank 8 to take place the condition of wane to a certain extent, thereby make plank 8 be difficult for dislocation and off tracking, can carry out the side more steadily and polish, when reducing staff intensity of labour, improve work efficiency.

As shown in fig. 1 to 6, the connection assembly 5 includes a first connection rod 51, a second connection rod 52 and a first spring 53, the first connection rod 51 is hollow, one end of the first connection rod 51 is connected with the first installation rod 41, one end of the second connection rod 52 is connected with the clamping plate 43, the other end of the second connection rod 52 is slidably installed in the first connection rod 51, one end of the first spring 53 is connected with the first connection rod 51, the other end is connected with the second connection rod 52, a plurality of connection assemblies 5 are uniformly installed between the clamping plate 43 and the first installation rod 41, the shapes and the sizes of the first installation rod 41 and the second installation rod 42 are consistent, and a plurality of connection assemblies 5 are uniformly installed on the second installation rod 42; when the driving assembly drives the first and second mounting bars 41 and 42 to move toward each other, the rotating wheel 44 will contact with the side edge of the board 8, then the first spring 53 is compressed, and the compressed first spring 53 has a tendency to be elongated, so that the second link, the clamping plate 43 and the rotating wheel 44 will be pushed to press the board 8, thereby relatively fixing the position of the board 8, and at the same time, the rotating wheel 44 is in rolling contact with the side edge of the board 8, thereby not affecting the advancing state of the board 8.

As shown in fig. 1 to 6, the driving assembly includes a first driving motor 61, a driving shaft 62, a first bevel gear 63, a second bevel gear 64, a first bi-directional screw 65, a second bi-directional screw 66, a third bevel gear 67, a fourth bevel gear 68, the first bi-directional screw 65 being mounted at one end of the supporting frame 1, and the first bi-directional screw 65 being threadedly connected with the first mounting bar 41 and the second mounting bar 42, the second bi-directional screw 66 being mounted at the other end of the supporting frame 1, and the second bi-directional screw 66 being threadedly connected with the other first mounting bar 41 and the second mounting bar 42, the third bevel gear 67 being coaxially mounted at one end of the first bi-directional screw 65, the fourth bevel gear 68 being coaxially mounted at one end of the second bi-directional screw 66, the first driving motor 61 being mounted on the supporting frame 1, the driving shaft 62 being coaxially connected with an output shaft of the first driving motor 61, the first bevel gear 63 and the second bevel gear 64 being coaxially mounted on the driving shaft 62, the first bevel gear 63 being meshed with the third bevel gear 67, and the second bevel gear 64 being meshed with the fourth bevel gear 68; the first driving motor 61 is started, the transmission shaft 62 is driven to rotate in the process of rotating the first driving motor 61, the first bevel gear 63 and the second bevel gear 64 are driven to synchronously rotate in the process of rotating the transmission shaft 62, the third bevel gear 67 is driven to rotate in the process of rotating the first bevel gear 63, the first bidirectional screw 65 is driven to rotate in the process of rotating the third bevel gear 67, the first mounting rod 41 and the second mounting rod 42 are driven to move in the direction away from or close to each other in the process of rotating the first bidirectional screw 65, the fourth bevel gear 68 is driven to rotate in the process of rotating the second bevel gear 64, the second bidirectional screw 66 is driven to rotate in the process of rotating the fourth bevel gear 68, and the other first mounting rod 41 and the second mounting rod 42 are driven to move in the direction away from or close to each other in the process of rotating the second bidirectional screw 66, so that the positioning assembly 4 is driven to clamp and fix the wood board 8.

As shown in fig. 1 to 6, the pressing assembly 7 comprises a connecting seat 71, a pressing roller 72 and an adjusting rod 73, the adjusting rod 73 is installed on the support frame 1 along the vertical direction, the adjusting rod 73 is in threaded connection with the support frame 1, the connecting seat 71 is installed at the bottom of the adjusting rod 73, a guide rod 74 is installed on the connecting seat 71 along the vertical direction, the guide rod 74 is in sliding connection with the top of the support frame 1, a mounting plate 75 is installed at the bottom of the connecting seat 71, a plurality of second springs 76 are uniformly installed between the connecting seat 71 and the mounting plate 75, two ends of the pressing roller 72 are both rotatably installed on the mounting plate 75, and a hand wheel 77 is installed at one end of the adjusting rod 73 far away from the connecting seat 71; the worker rotates the hand wheel 77 according to the thickness of the current batch of boards 8 before polishing the boards 8, the hand wheel 77 rotates in the process of rotating the hand wheel 77 to drive the adjusting rod 73 to rotate, so as to adjust the installation height of the connecting seat 71, the guide rod 74 limits the advancing direction of the connecting seat 71, when the pressing roller 72 contacts with the boards 8, the second spring 76 is extruded, the extruded second spring 76 has a trend of extending, therefore, in the process of moving the boards 8, the second spring 76 can press the pressing roller 72 against the boards 8, the pressing roller 72 can rotate, and therefore, the advancing of the boards 8 towards the polishing disc 13 is not affected.

As shown in fig. 1 to 6, the adjusting component 3 includes a hydraulic cylinder 31, a sliding plate 32 and two sliding rods 33, the sliding plate 32 is horizontally and slidably mounted at the bottom of the supporting frame 1, a V-shaped sliding groove 34 is formed in the sliding plate 32, the two sliding rods 33 are in one-to-one correspondence and connected with the two mounting seats 12, and the two sliding rods 33 are slidably mounted at two ends of the V-shaped sliding groove 34 respectively, in this embodiment, one end of the sliding rod 33 far away from the mounting seat 12 is rotatably provided with a roller, the roller is rotatably mounted in the V-shaped sliding groove 34, a cylinder body of the hydraulic cylinder 31 is fixedly mounted at the bottom of the supporting frame 1, and a piston rod of the hydraulic cylinder 31 is connected with the sliding plate 32; when the distance between the two mounting seats 12 needs to be adjusted, the hydraulic cylinder 31 is started, the piston rod of the hydraulic cylinder 31 extends in the direction away from the cylinder body, the sliding plate 32 is pushed to move in the moving process of the piston rod, and the two sliding rods 33 are driven to slide along the V-shaped sliding grooves 34 in the moving process of the sliding plate 32, so that the two mounting seats 12 move in the directions approaching to each other or separating from each other.

As shown in fig. 1 to 6, the power assembly 2 comprises a second driving motor 21 and a plurality of belt pulleys 22, the plurality of belt pulleys 22 are in one-to-one correspondence with the plurality of polishing discs 13, the belt pulleys 22 are coaxially connected with the polishing discs 13, the second driving motor 21 is fixedly arranged on the mounting seat 12, and the output end of the second driving motor 21 is rotatably connected with the belt pulleys 22 through a belt 23; the second driving motor 21 is started, the second driving motor 21 drives one of the polishing discs 13 to rotate, the polishing discs 13 are driven to rotate through the belt 23 and the belt pulley 22 in the process of rotating, and the polishing discs 13 can polish and polish the side edges of the wood board 8 in the process of rotating.

As shown in fig. 1 to 6, a plurality of positioning holes 35 are uniformly formed on the side edge of the sliding plate 32 along the length direction thereof, a plug rod 36 is slidably mounted at the bottom of the support frame 1, and the plug rod 36 is inserted into the positioning holes 35; when the mounting seats 12 positioned at both sides of the conveyor belt 11 are adjusted to a designated position by the adjusting assembly 3, the insert rod 36 is inserted into the positioning hole 35, thereby fixing the current position of the slide plate 32 and further fixing the position between the two mounting seats 12.

As shown in fig. 1 to 6, both ends of the conveyor belt 11 are mounted with a positioning assembly 4 for clamping and positioning the wooden board 8 and a pressing assembly 7 for pressing the wooden board 8; through all setting up locating component 4 and pressing component 7 at the both ends of conveyer belt 11 to can further improve the positioning action to plank 8, make plank 8 be difficult for dislocation and off tracking in the burnishing and polishing process, polish more steadily.

The implementation principle of the embodiment is as follows: during the use, the staff is according to the size of current batch plank 8, the staff rotates the hand wheel 77 at first, thereby adjust the installation height of connecting seat 71, so as to press plank 8, then start pneumatic cylinder 31, pneumatic cylinder 31 will drive slide 32 and remove, thereby adjust the position of mount pad 12, and then adjust the position of polishing dish 13 to suitable polishing, then make conveyer belt 11 rotate, place plank 8 on conveyer belt 11 again, start first driving motor 61 simultaneously, first driving motor 61 will drive first installation pole 41 and second installation pole 42 and remove towards the direction that is close to each other, thereby carry out the centre gripping to plank 8, and then make plank 8 be difficult for dislocation and off tracking, can more steadily polish the side.

The above description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the disclosed technology. Therefore, any modification, equivalent variation and modification of the above embodiments according to the technology of the present utility model fall within the protection scope of the present utility model.

Claims (8)

1. The utility model provides a plank side burnishing device which characterized in that: including support frame (1), be provided with conveyer belt (11) on support frame (1), conveyer belt (11) both sides all are provided with mount pad (12), two all set up a plurality of grinding dish (13) on mount pad (12), still be provided with on mount pad (12) and be used for driving a plurality of grinding dish (13) synchronous pivoted power pack (2), be provided with on support frame (1) and be used for adjusting adjustment subassembly (3) of distance between two mount pad (12), be provided with on support frame (1) and be used for carrying out locating component (4) of centre gripping to plank (8), locating component (4) are including first installation pole (41) and second installation pole (42), first installation pole (41) and second installation pole (42) set up respectively in conveyer belt (11) both sides, the top of first installation pole (41) and second installation pole (42) all is provided with grip block (43), two on grip block (43) are provided with a plurality of grip blocks (44) evenly along self length direction, link to each other with second installation pole (43) through another grip block (5), the bottom of support frame (1) is provided with the drive assembly that is used for driving first installation pole (41) and second installation pole (42) to be close to each other or to the direction of keeping away from each other, the top of support frame (1) is provided with pressing assembly (7) that are used for pressing plank (8).

2. A board side edge polishing device as claimed in claim 1, wherein: coupling assembling (5) are including head rod (51), second connecting rod (52) and first spring (53), head rod (51) cavity sets up, and the one end of head rod (51) links to each other with first installation pole (41), the one end and the grip block (43) of second connecting rod (52) link to each other, the other end slip setting of second connecting rod (52) is in the inside of head rod (51), the one end and the head rod (51) of first spring (53) link to each other, the other end links to each other with second connecting rod (52), evenly be provided with a plurality of coupling assembling (5) between grip block (43) and first installation pole (41), the shape size of head rod (41) and second installation pole (42) is unanimous, also evenly be provided with a plurality of coupling assembling (5) on second installation pole (42).

3. A board side edge polishing device as claimed in claim 1, wherein: the driving assembly comprises a first driving motor (61), a transmission shaft (62), a first bevel gear (63), a second bevel gear (64), a first bidirectional screw rod (65), a second bidirectional screw rod (66), a third bevel gear (67) and a fourth bevel gear (68), wherein the first bidirectional screw rod (65) is arranged at one end of the supporting frame (1), the first bidirectional screw rod (65) is connected with a first mounting rod (41) and a second mounting rod (42) through threads, the second bidirectional screw rod (66) is arranged at the other end of the supporting frame (1), the second bidirectional screw rod (66) is connected with the other first mounting rod (41) and the second mounting rod (42) through threads, the third bevel gear (67) is coaxially arranged at one end of the first bidirectional screw rod (65), the fourth bevel gear (68) is coaxially arranged at one end of the second bidirectional screw rod (66), the first driving motor (61) is arranged on the supporting frame (1), the transmission shaft (62) is connected with an output shaft of the first driving motor (61) through threads, the first bevel gear (63) and the second bevel gear (64) are coaxially arranged on the first bevel gear (64), the second bevel gear (64) meshes with a fourth bevel gear (68).

4. A board side edge polishing device as claimed in claim 2, wherein: the utility model provides a press subassembly (7) including connecting seat (71), press roller (72) and regulation pole (73), adjust pole (73) along vertical direction setting on support frame (1), and adjust pole (73) and support frame (1) threaded connection, connecting seat (71) set up in the bottom of adjusting pole (73), be provided with guide bar (74) along vertical direction on connecting seat (71), guide bar (74) and support frame (1) sliding connection, the bottom of connecting seat (71) is provided with mounting panel (75), evenly be provided with a plurality of second springs (76) between connecting seat (71) and mounting panel (75), the both ends of pressing roller (72) all rotate and set up on mounting panel (75), the one end that connecting seat (71) was kept away from to adjusting pole (73) is provided with hand wheel (77).

5. A board side edge polishing device as claimed in claim 1, wherein: the adjusting component (3) comprises a hydraulic cylinder (31), a sliding plate (32) and two sliding rods (33), wherein the sliding plate (32) is horizontally arranged at the bottom of the supporting frame (1), a V-shaped sliding groove (34) is formed in the sliding plate (32), the two sliding rods (33) are in one-to-one correspondence with the two mounting seats (12) and are connected, the two sliding rods (33) are respectively arranged at two ends of the V-shaped sliding groove (34) in a sliding mode, the cylinder body of the hydraulic cylinder (31) is fixedly arranged at the bottom of the supporting frame (1), and a piston rod of the hydraulic cylinder (31) is connected with the sliding plate (32).

6. A board side edge polishing device as claimed in claim 1, wherein: the power assembly (2) comprises a second driving motor (21) and a plurality of belt pulleys (22), the belt pulleys (22) are in one-to-one correspondence with the polishing discs (13), the belt pulleys (22) are coaxially connected with the polishing discs (13), the second driving motor (21) is arranged on the mounting seat (12), and the output end of the second driving motor (21) is rotationally connected with the belt pulleys (22) through a belt (23).

7. A board side edge polishing device as defined in claim 5, wherein: a plurality of positioning holes (35) are uniformly formed in the side edge of the sliding plate (32) along the length direction of the sliding plate, inserting rods (36) are slidably arranged at the bottom of the supporting frame (1), and the inserting rods (36) are inserted into the positioning holes (35).

8. A board side edge polishing device as defined in claim 4, wherein: both ends of the conveying belt (11) are provided with a positioning component (4) for clamping and positioning the wood board (8) and a pressing component (7) for pressing the wood board (8).