阅读说明：本技术 一种木工钻头抛光打磨装置 (Polishing and grinding device for woodworking drill bit ) 是由 乔石 于 2021-09-09 设计创作，主要内容包括：本发明公开了一种木工钻头抛光打磨装置,包括把手,把手内固定设有驱动电机,驱动电机上固定连接有与把手转动连接的驱动轴,驱动轴上固定连接有旋转箱,本发明将椭圆滑槽和水平滑槽相结合,利用环形块和环形板的排列组合来扩大打磨腔的半径,从而保证能够对不同半径的木工钻头进行打磨,并利用圆柱凸轮结构提升打磨抛光效率,保证抛光效果,不仅如此,本发明还能及时将打磨产生的碎屑进行收集处理,并利用一组往复运动机构将吸附在过滤板上的碎屑推入收集箱内,防止碎屑危害操作者的身体健康,保护工作人员的生命安全。(The invention discloses a polishing and grinding device for a woodworking drill bit, which comprises a handle, wherein a driving motor is fixedly arranged in the handle, a driving shaft rotationally connected with the handle is fixedly connected onto the driving motor, and a rotating box is fixedly connected onto the driving shaft.)

1. The utility model provides a carpenter's drill bit polishing grinding device, includes the handle, its characterized in that: the handle is internally and fixedly provided with a driving motor, the driving motor is fixedly connected with a driving shaft which is rotationally connected with the handle, the driving shaft is fixedly connected with a rotating box, a rotating cavity is arranged in the rotating box, a polishing mechanism is arranged in the rotating cavity, the polishing mechanism comprises a first transmission shaft which is rotationally connected with the inner wall of the rotating cavity, the first transmission shaft is fixedly connected with a rotating disc which is positioned in the rotating cavity, the rotating disc is provided with an elliptical chute, the elliptical chute is internally and slidably connected with slide bars which are bilaterally symmetrical relative to the first transmission shaft, the symmetrical slide bars extend to the upper side of the rotating cavity and are slidably connected with the rotating box, the slide bars are fixedly connected with annular blocks which are positioned on the upper side of the rotating box, a polishing cavity is arranged between the symmetrical annular blocks, and an annular cavity is arranged in the annular block, the annular cavity is internally and slidably connected with annular plates which are symmetrical front and back relative to the first transmission shaft, the annular plates are symmetrical front and back, connecting springs are fixedly connected between the annular plates, the annular plates are adjacent to each other in butt joint, a fixing plate which is located in the polishing cavity is arranged on the annular block, five groups of buffer grooves which are distributed in an array mode are arranged on the fixing plate, five groups of buffer springs are fixedly connected in the buffer grooves, a polishing block which is located in the polishing cavity is fixedly connected on the buffer springs, the polishing block is slidably connected with the fixing plate, a woodworking drill bit which is slidably connected on the inner wall of the polishing cavity is arranged on the annular block, drill bit grooves which are symmetrical in center are arranged on the woodworking drill bit, a power storage torsion spring which is fixedly connected on the inner wall of the rotating cavity is arranged on the lower side of the rotating disc, and a protection mechanism is further arranged in the rotating cavity.

2. The woodworking drill polishing and grinding device of claim 1, wherein: the polishing machine is characterized in that a transmission cavity is formed in the polishing block, a second transmission shaft is rotatably connected to the inner wall of the transmission cavity, and a rotating wheel extending to the outer side of the transmission cavity is arranged on the second transmission shaft.

3. The woodworking drill polishing and grinding device of claim 2, wherein: be equipped with on the second transmission shaft about the cylinder of swiveling wheel bilateral symmetry, be equipped with spiral chute on the cylinder, be equipped with horizontal spout on the piece of polishing, horizontal spout about the swiveling wheel bilateral symmetry just about second transmission shaft longitudinal symmetry, horizontal spout internal sliding connection is related to the transfer line of cylinder centrosymmetry, the transfer line is located in the spiral spout and with cylinder sliding connection, keep away from on the transfer line cylinder one side fixedly connected with supporting spring, fixedly connected with polishing block on the supporting spring.

4. The woodworking drill polishing and grinding device of claim 1, wherein: the protection mechanism is characterized by further comprising a motor cavity arranged in the rotary disc, the opening of the motor cavity is upward, a cleaning motor is fixedly connected to the inner wall of the motor cavity, a third transmission shaft is connected to the cleaning motor in a power mode, a suction fan blade is arranged on the third transmission shaft, a filter plate located on the upper side of the suction fan blade is arranged on the rotary box, and a ventilation hole which is communicated with the motor cavity and the outside is formed in the rotary disc.

5. The woodworking drill polishing and grinding device of claim 4, wherein: third transmission shaft upside is equipped with and is located the reciprocal disc of filter downside, be equipped with the vent on the reciprocal disc, the wind current can pass through the vent process reciprocal disc, sliding connection has the connecting rod on the filter, connecting rod downside fixedly connected with sliding plate, be equipped with the sliding tray on the sliding plate, be equipped with on the reciprocal disc be located the sliding tray in and with sliding plate sliding connection's pivot, be equipped with on the connecting rod and be located the first dust pushing plate of filter upside, first dust pushing plate sliding connection be located first transmission shaft is left on the slide bar, be equipped with flexible chamber in the first dust pushing plate, flexible intracavity sliding connection has the second dust pushing plate, the second dust pushing plate with be located first transmission shaft right side slide bar sliding connection.

6. The woodworking drill polishing and grinding device of claim 5, wherein: the front side and the rear side of the reciprocating disc are provided with collecting boxes located in the rotating disc, the collecting boxes are symmetrical around the filter plate, and a collecting cavity with an upward opening is formed in each collecting box.

Technical Field

The invention relates to the technical field of drill bit grinding, in particular to a polishing and grinding device for a woodworking drill bit.

Background

The twist drill that generally uses of carpenter's during operation, after the drill bit is used for a long time, drill bit surface can produce deckle edge and burr, if not polish and polish the carpenter's drill bit, influence precision that can be very big when carrying out the carpenter's operation, can cause timber to damage even, traditional carpenter's drill bit burnishing and polishing device can only be applicable to single radial drill bit, can only change the equipment of polishing when needing to polish other drill bits, can produce tiny piece when polishing moreover, if inhaled by the human body, can harm staff's healthy.

Disclosure of Invention

The invention aims to provide a polishing and grinding device for a woodworking drill bit, which is used for overcoming the defects in the prior art.

The polishing and grinding device for the woodworking drill bit comprises a handle, wherein a driving motor is fixedly arranged in the handle, a driving shaft which is rotatably connected with the handle is fixedly connected onto the driving motor, a rotating box is fixedly connected onto the driving shaft, a rotating cavity is arranged in the rotating box, a grinding mechanism is arranged in the rotating cavity, the grinding mechanism comprises a first transmission shaft which is rotatably connected onto the inner wall of the rotating cavity, a rotating disc which is positioned in the rotating cavity is fixedly connected onto the first transmission shaft, an elliptical sliding groove is arranged on the rotating disc, sliding rods which are bilaterally symmetrical relative to the first transmission shaft are slidably connected in the elliptical sliding groove, the symmetrical sliding rods extend to the upper side of the rotating cavity and are slidably connected with the rotating box, and an annular block which is positioned on the upper side of the rotating box is fixedly connected onto the sliding rods, a polishing cavity is arranged between the symmetrical annular blocks, an annular cavity is arranged in the annular block, annular plates which are symmetrical front and back relative to the first transmission shaft are connected in the annular cavity in a sliding manner, connecting springs are fixedly connected between the annular plates which are symmetrical front and back, the adjacent annular plates are mutually abutted, a fixing plate which is positioned in the polishing cavity is arranged on the annular block, five groups of buffer grooves which are distributed in an array manner are arranged on the fixing plate, buffer springs are fixedly connected in the five groups of buffer grooves, the polishing blocks which are positioned in the polishing cavity are fixedly connected on the buffer springs, the polishing blocks are connected with the fixing plate in a sliding manner, a woodworking drill bit which is connected on the inner wall of the polishing cavity in a sliding manner is arranged on the annular block, drill bit grooves which are symmetrical in center are arranged on the woodworking drill bit, and a force storage torsion spring which is fixedly connected on the inner wall of the rotating cavity is arranged on the lower side of the rotating disc, the handle is held by hand, the driving motor is started, the driving shaft can be driven to rotate, so that the rotating box is driven to rotate, the annular block is driven to rotate, the rotating disc always has a rotating trend due to the action of the power storage torsion spring, namely, the symmetrical sliding rods always have a mutually close motion trend, namely, a circular ring formed by the annular block always has a folding trend, the rotating box can drive the sliding rods to rotate by taking the driving shaft as a center so as to drive the annular block to rotate, so that the grinding block is driven to rotate, the woodworking drill bit is extended into the grinding cavity, the woodworking drill bit and the drill bit groove can be ground and polished by the rotating grinding block, when the radius of the woodworking drill bit is enlarged, the symmetrical sliding rods simultaneously slide in the direction away from the first transmission shaft, the annular blocks slide along with the annular plates, the annular plates can slide out under the action of the connecting springs, the adjacent annular plates are still mutually abutted, namely the radius of a circular ring formed by the annular blocks and the annular plates is increased, so that the woodworking drill bits with different radii are ground and polished, and a protection mechanism is further arranged in the rotary cavity and can clean and collect chips generated by grinding and polishing the woodworking drill bits.

The preferred scheme does, be equipped with the transmission chamber in the sanding block, it is connected with the second transmission shaft to rotate on the transmission intracavity wall, be equipped with on the second transmission shaft and extend to the swiveling wheel in the transmission chamber outside, work as when the sanding block rotated, the swiveling wheel with carpenter's drill bit contacts, the swiveling wheel just can rotate, thereby drives the second transmission shaft rotates.

The preferred scheme is that a cylinder which is symmetrical about the rotating wheel is arranged on the second transmission shaft, a spiral chute is arranged on the cylinder, a horizontal chute is arranged on the polishing block, the horizontal chute is symmetrical about the rotating wheel and is symmetrical about the second transmission shaft, a transmission rod which is symmetrical about the center of the cylinder is connected in the horizontal chute in a sliding manner, the transmission rod is positioned in the spiral chute and is connected with the cylinder in a sliding manner, a supporting spring is fixedly connected to one side of the cylinder and is far away from the transmission rod, a polishing block is fixedly connected to the supporting spring, when the second transmission shaft rotates, the cylinder can be driven to rotate, and due to the effect of the spiral chute, the transmission rod can be driven to slide left and right through the transmission principle of a cylindrical cam, so that the polishing block is driven to slide left and right, and due to the effect of the supporting spring, the polishing block can be in closer contact with the surface of the woodworking drill bit, so that polishing efficiency is improved.

The preferred scheme does, protection machanism is still including setting up motor chamber in the rotating disc, motor chamber opening upwards, the clean motor of fixedly connected with on the motor intracavity wall, power connection has the third transmission shaft on the clean motor, be equipped with the suction flabellum on the third transmission shaft, be equipped with on the rotatory case and be located the filter of suction flabellum upside, be equipped with on the rotating disc with the ventilation hole that motor chamber and external world link up, work as after the clean motor starts, can drive the third transmission shaft rotates, thereby drive the suction flabellum rotates, can pass through the filter will the piece that the intracavity polishing of polishing produced is drawn downwards, and the piece just is adsorbed the filter upside.

Preferably, a reciprocating disc positioned on the lower side of the filter plate is arranged on the upper side of the third transmission shaft, a vent is arranged on the reciprocating disc, wind flow can pass through the reciprocating disc through the vent, a connecting rod is connected on the filter plate in a sliding manner, a sliding plate is fixedly connected to the lower side of the connecting rod, a sliding groove is arranged on the sliding plate, a rotating shaft which is positioned in the sliding groove and is in sliding connection with the sliding plate is arranged on the reciprocating disc, a first dust pushing plate which is positioned on the upper side of the filter plate is arranged on the connecting rod and is in sliding connection with the sliding rod positioned on the left side of the first transmission shaft, a telescopic cavity is arranged in the first dust pushing plate, a second dust pushing plate is in sliding connection with the sliding rod positioned on the right side of the first transmission shaft, when the third transmission shaft rotates, the reciprocating disc can be driven to rotate, so that the rotating shaft is driven to rotate by taking the third transmission shaft as a center, the sliding plate slides back and forth under the action of the sliding groove, the connecting rod is driven to slide back and forth, the first ash pushing plate and the second ash pushing plate are driven to slide back and forth, the chips adsorbed on the filter plate can be pushed to the front side and the back side, when the symmetrical sliding rods are close to each other, the second ash pushing plate slides into the telescopic cavity, when the symmetrical sliding rods are far away from each other, the second ash pushing plate slides to the outer side of the telescopic cavity, namely, the length formed by the first ash pushing plate and the second ash pushing plate is the distance between the symmetrical sliding rods.

The preferable scheme is that collecting boxes located in the rotary disc are arranged on the front side and the rear side of the reciprocating disc, the collecting boxes are symmetrical around the filter plate, a collecting cavity with an upward opening is formed in the collecting boxes, and when the first ash pushing plate and the sliding rod are pushed forwards and backwards, the scraps can be pushed to the collecting cavities on the front side and the rear side, so that the recovery processing of workers can be waited.

The invention has the beneficial effects that: the invention combines the oval chute and the horizontal chute, enlarges the radius of the grinding cavity by utilizing the arrangement and combination of the annular block and the annular plate, thereby ensuring that the woodworking drills with different radiuses can be ground, improving the grinding and polishing efficiency by utilizing the cylindrical cam structure, ensuring the polishing effect, and moreover, the invention can also timely collect and process the scraps generated by grinding, and push the scraps adsorbed on the filter plate into the collecting box by utilizing a group of reciprocating mechanisms, thereby preventing the scraps from harming the body health of an operator and protecting the life safety of the worker.

Drawings

FIG. 1 is a schematic external view of the present invention;

FIG. 2 is a schematic view of the overall structure of a woodworking drill polishing and grinding device of the present invention;

FIG. 3 is a schematic view of A-A of FIG. 2 in accordance with the present invention;

FIG. 4 is a schematic view of B-B of FIG. 2 according to the present invention;

FIG. 5 is an enlarged partial schematic view of C of FIG. 2 in accordance with the present invention;

FIG. 6 is an enlarged partial schematic view of D of FIG. 2 in accordance with the present invention;

FIG. 7 is an enlarged partial schematic view of E of FIG. 4 in accordance with the present invention;

in the figure:

11. a handle; 12. a drive motor; 13. a drive shaft; 14. a rotary box; 15. a rotating chamber; 16. a first drive shaft; 17. rotating the disc; 32. an elliptical chute; 33. a slide bar; 34. a ring block; 51. grinding the cavity; 35. an annular cavity; 37. an annular plate; 36. a connecting spring; 38. a fixing plate; 39. a buffer tank; 40. a buffer spring; 41. grinding blocks; 52. a woodworking drill bit; 53. a drill bit slot; 56. a power-storing torsion spring; 42. a transmission cavity; 43. a second drive shaft; 44. a rotating wheel; 45. a cylinder; 46. a spiral chute; 48. a horizontal chute; 47. a transmission rod; 49. a support spring; 50. a polishing block; 18. a motor cavity; 20. cleaning the motor; 21. a third drive shaft; 22. a suction fan blade; 57. a filter plate; 19. a vent hole; 23. a reciprocating disc; 24. a vent; 28. a connecting rod; 26. a sliding plate; 27. a sliding groove; 25. a rotating shaft; 29. a first ash pushing plate; 30. a telescoping chamber; 31. a second ash pushing plate; 54. a collection box; 55. a collection chamber; 901. a polishing mechanism; 902. a guard mechanism.

Detailed Description

For purposes of making the objects and advantages of the present invention more apparent and the invention is more clearly described below in connection with the following examples, it is to be understood that the following text is intended merely to describe one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed, and as used herein, the terms up, down, left and right are not limited to their strict geometric definitions, but include tolerances for reasonable and inconsistent machining or human error, the specific features of which are set forth in detail below:

referring to the drawings, the polishing and grinding device for the woodworking drill bit according to the embodiment of the invention comprises a handle 11, a driving motor 12 is fixedly arranged in the handle 11, a driving shaft 13 rotatably connected with the handle 11 is fixedly connected to the driving shaft 12, a rotary box 14 is fixedly connected to the driving shaft 13, a rotary cavity 15 is arranged in the rotary box 14, a grinding mechanism 901 is arranged in the rotary cavity 15, the grinding mechanism 901 comprises a first driving shaft 16 rotatably connected to the inner wall of the rotary cavity 15, a rotary disc 17 positioned in the rotary cavity 15 is fixedly connected to the first driving shaft 16, an elliptical sliding slot 32 is arranged on the rotary disc 17, sliding rods 33 bilaterally symmetrical to the first driving shaft 16 are slidably connected in the elliptical sliding slot 32, the symmetrical sliding rods 33 extend to the upper side of the rotary cavity 15 and are slidably connected with the rotary box 14, the sliding rod 33 is fixedly connected with annular blocks 34 positioned on the upper side of the rotating box 14, symmetrical annular blocks 34 are provided with polishing cavities 51, annular cavities 35 are arranged in the annular blocks 34, annular plates 37 which are symmetrical in front and back relative to the first transmission shaft 16 are slidably connected in the annular cavities 35, connecting springs 36 are fixedly connected between the annular plates 37 which are symmetrical in front and back, the adjacent annular plates 37 are mutually abutted, a fixing plate 38 positioned in the polishing cavities 51 is arranged on the annular blocks 34, five groups of buffer grooves 39 distributed in an array manner are arranged on the fixing plate 38, buffer springs 40 are fixedly connected in the five groups of buffer grooves 39, polishing blocks 41 positioned in the polishing cavities 51 are fixedly connected on the buffer springs 40, the polishing blocks 41 are slidably connected with the fixing plate 38, and woodworking drills 52 slidably connected on the inner walls of the polishing cavities 51 are arranged on the annular blocks 34, the carpenter's drill 52 is provided with drill grooves 53 with central symmetry, the lower side of the rotary disk 17 is provided with a power-accumulating torsion spring 56 fixedly connected to the inner wall of the rotary cavity 15, the handle 11 is held by hand, the driving motor 12 is started to drive the driving shaft 13 to rotate, so as to drive the rotary box 14 to rotate, so as to drive the annular block 34 to rotate, due to the action of the power-accumulating torsion spring 56, the rotary disk 17 always has a rotation trend, that is, the symmetrical sliding rods 33 always have a mutually close movement trend, that is, the circular ring composed of the annular blocks 34 always has a closing trend, when the rotary box 14 rotates, the sliding rods 33 can be driven to rotate by taking the driving shaft 13 as the center, so as to drive the annular blocks 34 to rotate, so as to drive the grinding blocks 41 to rotate, so as to stretch the carpenter's drill 52 into the grinding cavity 51, namely, the rotary grinding block 41 can be used for grinding and polishing the woodworking drill 52 and the drill slot 53, when the radius of the woodworking drill 52 is enlarged, the symmetrical sliding rods 33 simultaneously slide in the direction away from the first transmission shaft 16, the annular block 34 slides along with the sliding rods, the annular plates 37 can slide out under the action of the connecting springs 36, and the adjacent annular plates 37 are still abutted against each other, namely, the radius of the circular ring formed by the annular block 34 and the annular plate 37 is enlarged, so that the woodworking drill 52 with different radii can be ground and polished, the rotary cavity 15 is also internally provided with a protection mechanism 902, and chips generated by grinding and polishing the woodworking drill 52 can be cleaned and collected through the protection mechanism 902.

Further, be equipped with transmission chamber 42 in the sanding block 41, it is connected with second transmission shaft 43 to rotate on the transmission chamber 42 inner wall, be equipped with on the second transmission shaft 43 and extend to the swiveling wheel 44 in the transmission chamber 42 outside, work as when sanding block 41 rotates, swiveling wheel 44 with carpenter's drill bit 52 contacts, swiveling wheel 44 just can rotate, thereby drives second transmission shaft 43 rotates.

Further, be equipped with on the second transmission shaft 43 about the cylinder 45 of swiveling wheel 44 bilateral symmetry, be equipped with spiral chute 46 on the cylinder 45, be equipped with horizontal chute 48 on the sanding block 41, horizontal chute 48 about swiveling wheel 44 bilateral symmetry and about second transmission shaft 43 longitudinal symmetry, sliding connection has about in horizontal chute 48 the transfer line 47 of cylinder 45 centrosymmetry, transfer line 47 be located in spiral chute 46 and with cylinder 45 sliding connection, keep away from on the transfer line 47 cylinder 45 one side fixedly connected with supporting spring 49, fixedly connected with polishing block 50 on the supporting spring 49, when the second transmission shaft 43 rotates, can drive cylinder 45 rotates, because the effect of spiral chute 46 through the cylinder cam transmission principle, can drive transfer line 47 horizontal slip, thereby driving the polishing block 50 to slide left and right, and due to the action of the supporting spring 49, the polishing block 50 can be in closer contact with the surface of the woodworking drill 52, thereby improving the polishing efficiency.

Further, the protection mechanism 902 further comprises a motor cavity 18 arranged in the rotating disc 17, the opening of the motor cavity 18 is upward, a cleaning motor 20 is fixedly connected to the inner wall of the motor cavity 18, a third transmission shaft 21 is connected to the cleaning motor 20 in a power mode, a suction fan blade 22 is arranged on the third transmission shaft 21, a filter plate 57 located on the upper side of the suction fan blade 22 is arranged on the rotating box 14, a ventilation hole 19 which is communicated with the motor cavity 18 and the outside is formed in the rotating disc 17, when the cleaning motor 20 is started, the third transmission shaft 21 can be driven to rotate, so that the suction fan blade 22 is driven to rotate, debris generated by polishing and polishing in the polishing cavity 51 can be downwards sucked through the filter plate 57, and the debris is adsorbed to the upper side of the filter plate 57.

Furthermore, the upper side of the third transmission shaft 21 is provided with a reciprocating disc 23 positioned on the lower side of the filter plate 57, the reciprocating disc 23 is provided with a vent 24, the wind flow can pass through the reciprocating disc 23 through the vent 24, the filter plate 57 is slidably connected with a connecting rod 28, the lower side of the connecting rod 28 is fixedly connected with a sliding plate 26, the sliding plate 26 is provided with a sliding groove 27, the reciprocating disc 23 is provided with a rotating shaft 25 positioned in the sliding groove 27 and slidably connected with the sliding plate 26, the connecting rod 28 is provided with a first dust pushing plate 29 positioned on the upper side of the filter plate 57, the first dust pushing plate 29 is slidably connected with the sliding rod 33 positioned on the left side of the first transmission shaft 16, a telescopic cavity 30 is arranged in the first dust pushing plate 29, the telescopic cavity 30 is slidably connected with a second dust pushing plate 31, the second dust pushing plate 31 is slidably connected with the sliding rod 33 positioned on the right side of the first transmission shaft 16, when the third transmission shaft 21 rotates, the reciprocating disc 23 is driven to rotate, so as to drive the rotating shaft 25 to rotate around the third transmission shaft 21, due to the function of the sliding groove 27, the sliding plate 26 slides back and forth, so as to drive the connecting rod 28 to slide back and forth, so as to drive the first dust pushing plate 29 and the second dust pushing plate 31 to slide back and forth, so as to push the chips adsorbed on the filter plate 57 to the front and back sides, when the symmetrical sliding rods 33 approach each other, the second dust pushing plate 31 slides into the telescopic cavity 30, and when the symmetrical sliding rods 33 move away from each other, the second dust pushing plate 31 slides to the outside of the telescopic cavity 30, i.e. the length formed by the first dust pushing plate 29 and the second dust pushing plate 31 is the distance between the symmetrical sliding rods 33.

Furthermore, the front side and the rear side of the reciprocating disc 23 are provided with collecting boxes 54 positioned in the rotating disc 17, the collecting boxes 54 are symmetrical in front and rear with respect to the filter plate 57, a collecting cavity 55 with an upward opening is arranged in the collecting box 54, and when the first ash pushing plate 29 and the sliding rod 33 are pushed forwards and backwards, the scraps can be pushed into the collecting cavities 55 at the front side and the rear side, so that the recovery processing of workers can be waited.

The invention relates to a polishing and grinding device for a woodworking drill bit, which comprises the following working procedures:

when the handle 11 is held by hand and the driving motor 12 is started, the driving shaft 13 can be driven to rotate, so that the rotating box 14 is driven to rotate, so that the ring block 34 is driven to rotate, due to the action of the power storage torsion spring 56, the rotating disc 17 always has a rotating trend, namely, the symmetrical sliding rods 33 always have a mutually close motion trend, namely, the ring formed by the ring block 34 always has a folding trend, when the rotating box 14 rotates, the sliding rods 33 can be driven to rotate around the driving shaft 13, so that the ring block 34 is driven to rotate, so that the grinding block 41 is driven to rotate, the woodworking drill 52 is extended into the grinding cavity 51, the woodworking drill 52 and the drill groove 53 can be ground and polished by the rotating grinding block 41, meanwhile, when the grinding block 41 rotates, the rotating wheel 44 is in contact with the woodworking drill 52, the rotating wheel 44 rotates, so that the second transmission shaft 43 is driven to rotate, so that the cylinder 45 is driven to rotate, under the action of the spiral chute 46, the transmission rod 47 can be driven to slide left and right through the transmission principle of the cylindrical cam, so that the polishing block 50 is driven to slide left and right, and under the action of the supporting spring 49, the polishing block 50 can be in closer contact with the surface of the woodworking drill 52, so that the polishing and grinding efficiency is enhanced;

when the cleaning motor 20 is started during polishing, the third transmission shaft 21 is driven to rotate, so as to drive the suction fan 22 to rotate, i.e. the chips generated during polishing in the polishing chamber 51 are sucked downwards by the filter plate 57, and the chips are adsorbed to the upper side of the filter plate 57, meanwhile, when the third transmission shaft 21 rotates, the reciprocating disc 23 is driven to rotate, so as to drive the rotating shaft 25 to rotate around the third transmission shaft 21, due to the action of the sliding groove 27, the sliding plate 26 slides back and forth, so as to drive the connecting rod 28 to slide back and forth, so as to drive the first dust pushing plate 29 and the second dust pushing plate 31 to slide back and forth, i.e. the chips adsorbed on the filter plate 57 are pushed to the front and back sides, i.e. the chips are pushed into the collecting chambers 55 at the front and back sides, i.e. the recovery processing of the working personnel can be waited, and when the symmetrical sliding rods 33 approach each other, the second dust pushing plate 31 slides into the telescopic chamber 30, when the symmetrical sliding rods 33 are far away from each other, the second dust pushing plate 31 slides to the outside of the telescopic cavity 30, namely the length formed by the first dust pushing plate 29 and the second dust pushing plate 31 is the distance between the symmetrical sliding rods 33

When the radius of the woodworking drill 52 is enlarged, the symmetrical sliding rods 33 simultaneously slide in the direction away from the first transmission shaft 16, the annular blocks 34 slide along with the symmetrical sliding rods, the annular plates 37 can slide out under the action of the connecting springs 36, and the adjacent annular plates 37 are still mutually abutted, namely the radius of the circular ring formed by the annular blocks 34 and the annular plates 37 is enlarged, so that the woodworking drill 52 with different radii can be used, and the woodworking drill 52 with different sizes can be polished by using the woodworking drill 52 with different radii.

It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.