CN113547426A - Bolt hole burr cleaning device - Google Patents

Abstract

The invention provides a bolt hole burr cleaning device, which comprises: a polishing mechanism; one end of the fixing mechanism is connected with the polishing mechanism; and the rotary driving mechanism is connected with the other end of the fixing mechanism. According to the bolt hole burr cleaning device provided by the invention, the bolt hole burr can be polished only by driving the rotary driving mechanism, manual polishing by operators is not needed, the polishing efficiency is improved, and the labor intensity of the operators is reduced.

Description

Bolt hole burr cleaning device

Technical Field

The invention relates to the technical field of bolt hole burr cleaning, in particular to a bolt hole burr cleaning device.

Background

Along with the continuous progress of mechanical industry, all can use the bolt to carry out fixed mounting among a lot of mechanical equipment, all need all carry out drilling treatment in preset position before bolt fixed mounting, and the hole that adopts the bolt-hole machine to bore out all can have the burr usually, for better use, adopts the mode of artifical manual polishing to get rid of the burr usually, leads to work efficiency low, and the amount of labour is great.

Disclosure of Invention

The invention provides a bolt hole burr cleaning device which is used for solving the defect of low working efficiency when bolt hole burrs are manually polished in the prior art.

The invention provides a bolt hole burr cleaning device, which comprises: a polishing mechanism; one end of the fixing mechanism is connected with the polishing mechanism; and the rotary driving mechanism is connected with the other end of the fixing mechanism.

According to the bolt hole burr cleaning device provided by the invention, the grinding mechanism comprises: the first end of the mounting plate is connected with the fixing mechanism, and the second end of the mounting plate is provided with a first groove; the first end of the polishing block is clamped with the first groove, and the cross section of the second end face of the polishing block on a plane vertical to the length direction of the second end face of the polishing block is arc-shaped.

According to the bolt hole burr cleaning device provided by the invention, the fixing mechanism comprises: the first end of the fixed rod is connected with the first end of the mounting plate, and a pair of second grooves are formed in the opposite surfaces of the fixed rod; the fixed cylinder is sleeved outside the fixed rod, and a plurality of limiting holes are formed in the opposite surface of the fixed cylinder at equal intervals along the length direction of the fixed cylinder; the limiting assembly is inserted into the second groove and any limiting hole; and the first end of the fixed box is connected with the fixed cylinder, and the second end of the fixed box is connected with the rotary driving mechanism.

According to the bolt hole burr cleaning device that the invention provides, spacing subassembly includes: a first magnet disposed within the second recess; a first end of the limiting block is connected with a second magnet, the second magnet and the first end of the limiting block are located in the second groove, and the second end of the limiting block can be inserted into any limiting hole; the second magnet and the first magnet are arranged oppositely, and the magnetic poles of the second magnet and the magnetic poles of the first magnet are the same.

According to the bolt hole burr cleaning device that the invention provides, spacing subassembly includes: the first end of the elastic piece is connected with the groove bottom of the second groove; the first end of the limiting block is connected with the second end of the elastic piece, and the second end of the limiting block can be inserted into any limiting hole.

According to the bolt hole burr cleaning device that the invention provides, still include the dust removal mechanism, the said dust removal mechanism includes: a plurality of first dust suction pipes, wherein a plurality of dust suction ports are formed in the side surface of the second end of the mounting plate, the first end of each first dust suction pipe is connected with one dust suction port, and the second end of each first dust suction pipe is communicated with the fixed box; the fan is arranged in the fixed box; and the dust screen is arranged in the fixed box and is positioned between the second end of the first dust suction pipe and the fan.

According to the bolt hole burr cleaning device provided by the invention, the dust removing mechanism further comprises: the second dust suction pipe is perpendicular to the first dust suction pipes, and second ends of the first dust suction pipes are communicated with the first side of the second dust suction pipe; and the first end of the third dust suction pipe is communicated with the second side of the second dust suction pipe, and the second end of the third dust suction pipe is communicated with the fixed box.

According to the bolt hole burr cleaning device provided by the invention, the dust removing mechanism further comprises: the two opposite sides of the fixed box are provided with sliding grooves, the sliding blocks are arranged in the sliding grooves respectively and can slide along the sliding grooves, and two ends of the dustproof net are connected with the sliding blocks respectively.

According to the bolt hole burr cleaning device provided by the invention, the cross section of the dustproof net on a plane vertical to the length direction of the dustproof net is in a circular arc shape.

According to the bolt hole burr cleaning device provided by the invention, the bolt hole burr cleaning device further comprises an installation mechanism, wherein the installation mechanism comprises: the surface of the first end of the polishing block is provided with a third groove, and the mounting block is inserted in the third groove; the regulating part, the surface of the first end of mounting panel is equipped with a plurality of fourth recesses, the fourth recess with first recess intercommunication, the opening size of fourth recess is greater than the size of installation piece, just the length of fourth recess is greater than the length of installation piece, the one end of regulating part with the installation piece is connected, the other end of regulating part passes the fourth recess extends to the outside of fourth recess.

According to the bolt hole burr cleaning device provided by the invention, the bolt hole burr can be polished only by driving the rotary driving mechanism, manual polishing by operators is not needed, the polishing efficiency is improved, and the labor intensity of the operators is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

FIG. 1 is a partial perspective view of a threaded hole deburring device provided by the present invention;

FIG. 2 is a front view of the threaded hole deburring device provided by the present invention;

FIG. 3 is a top view of the threaded hole deburring device provided by the present invention;

fig. 4 is a partially enlarged view at a shown in fig. 2;

FIG. 5 is a side view of the mounting plate shown in FIG. 1;

FIG. 6 is a schematic structural diagram of a dust removing mechanism of the threaded hole burr cleaning device provided by the invention;

fig. 7 is a partial enlarged view at B shown in fig. 2;

reference numerals:

11: mounting a plate; 12: grinding blocks; 21: fixing the rod;

22: a fixed cylinder; 23: a fixed box; 31: a first magnet;

32: a limiting block; 33: a second magnet; 41: a dust suction port;

42: a first dust suction pipe; 43: a second dust suction pipe; 44: a third dust suction pipe;

45: a dust screen; 46: a fan; 47: a chute;

48: a slider; 51: mounting blocks; 52: a threaded rod;

53: a nut; 100: a rotation driving mechanism; 111: a first groove;

112: a fourth groove; 121: a third groove; 211: a second groove;

221: and a limiting hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The features of the terms first and second in the description and in the claims of the invention may explicitly or implicitly include one or more of these features. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The bolt hole deburring apparatus of the present invention will be described with reference to fig. 1 to 7.

As shown in fig. 1 and 2, in one embodiment of the present invention, a bolt hole deburring apparatus includes: a grinding mechanism, a fixing mechanism and a rotary driving mechanism 100. The rotary driving mechanism 100 is connected to one end of the fixing mechanism, and the other end of the fixing mechanism is connected to the polishing mechanism.

Particularly, the rotary driving mechanism 100 drives the fixing mechanism to rotate, the fixing mechanism rotates to drive the grinding mechanism to rotate, and burrs beside the bolt holes can be cleaned up when the grinding mechanism rotates.

Further, in an embodiment of the present invention, the fixing mechanism includes a first connecting member and a second connecting member, a first end of the first connecting member is connected to the rotation driving mechanism 100, the first connecting member is sleeved outside the second connecting member, a plurality of first limiting holes are disposed on a surface of the first connecting member at equal intervals, the second connecting member is provided with a second limiting hole, and a limiting member is inserted into the first limiting hole and the second limiting hole to adjust a length of the fixing mechanism, so as to meet polishing operation requirements of different workpieces.

Optionally, the fixing mechanism may also include a third connecting member and a fourth connecting member that are slidably connected, and the third connecting member is sleeved outside the fourth connecting member and can slide along the fourth connecting member. The inner wall of the third connecting piece is provided with a plurality of positioning holes at equal intervals, the outer wall of the fourth connecting piece is embedded with positioning balls, when the length of the fixing mechanism is adjusted to a proper length, the fourth connecting piece is rotated, and the positioning balls are clamped in the positioning holes to realize the adjustment of the length of the third connecting piece and the length of the fourth connecting piece.

Further, in one embodiment of the invention, the grinding mechanism comprises a mounting plate and a grinding block, a groove is formed in the mounting plate, one end of the grinding block is clamped in the groove, and the other end of the grinding block is used for grinding burrs of the bolt hole. The other end of the mounting plate is connected with the fixing mechanism.

Further, in one embodiment of the present invention, the rotary drive mechanism 100 is a power drill.

According to the bolt hole burr cleaning device provided by the embodiment of the invention, the bolt hole burr can be polished only by driving the rotary driving mechanism, manual polishing by operators is not needed, the polishing efficiency is improved, and the labor intensity of the operators is reduced.

In one embodiment of the present invention, as shown in fig. 1, a sharpening mechanism comprises: a mounting plate 11 and a sanding block 12. The first end of mounting panel 11 is connected with fixed establishment, and the second end of mounting panel 11 is equipped with first recess 111, and the first end of sanding block 12 and first recess 111 joint, the cross-sectional shape of the second end terminal surface of sanding block 12 on the plane perpendicular with its length direction is circular arc.

Specifically, the first groove 111 may be a through groove penetrating in the longitudinal direction of the mounting plate 11, or may be a groove not penetrating. When the first recess 111 is a through slot, the sanding block 12 may slide along the through slot, thereby sliding the sanding block 12 out of the mounting plate 11. Further, the shape of the first groove 111 may be an inverted T-shaped groove or a dovetail groove, and the shape of the first end of the grinding block 12 matches the shape of the first groove 111, so that the first end of the grinding block 12 is clamped in the first groove 111. The cross-sectional shape of the second end face of the polishing block 12 on the plane perpendicular to the length direction thereof is arc-shaped, and the surface of the arc-shaped protrusion is used for polishing the burrs of the bolt hole.

As shown in fig. 1, in one embodiment of the present invention, the fixing mechanism includes: fixed pole 21, fixed cylinder 22, spacing subassembly and fixed case 23. The first end of dead lever 21 is connected with the first end of mounting panel 11, and the relative surface of dead lever 21 is equipped with a pair of second recess 211, and the relative surface of fixed cylinder 22 is provided with a plurality of spacing holes 221 along its length direction equidistance, and spacing subassembly is inserted and is established in second recess 211 and arbitrary spacing hole 221 to be connected dead lever 21 and fixed cylinder 22. A first end of the fixed casing 23 is connected to the fixed cylinder 22, and a second end of the fixed casing 23 is connected to the rotation driving mechanism 100.

Specifically, the fixing cylinder 22 is sleeved outside the fixing rod 21, when the length of the fixing mechanism needs to be adjusted, the fixing rod 21 can be pulled, the fixing rod 21 can move along the fixing cylinder 22, and when the length is adjusted to a proper length, the limiting component is inserted into the second groove 211 and the limiting hole 221.

Further, as shown in fig. 4, in an embodiment of the present invention, the position limiting assembly includes: a first magnet 31, a stopper 32, and a second magnet 33. First magnet 31 sets up in second recess 211, and the first end of stopper 32 is connected with second magnet 33, and second magnet 33 and stopper 32's first end are located second recess 211, and stopper 32's second end can insert and establish in arbitrary spacing hole 221, and wherein, second magnet 33 sets up with first magnet 31 relatively, and the magnetic pole is the same.

Specifically, the opening size of the second groove 211 is smaller than the size of the groove bottom of the second groove 211. The width dimension of the first end of the limiting block 32 is larger than that of the second end, the first end of the limiting block 32 is clamped in the second groove 211, the first end of the limiting block 32 is connected with a second magnet 33, and the magnetic poles of the first magnet 31 and the second magnet 33 are the same and mutually exclusive. The second end of the stopper 32 is inserted into the stopper hole 221. When the length of the fixing mechanism needs to be adjusted, the limiting block 32 is pressed, the second end of the limiting block 32 enters the second groove 211, so that the limiting block 32 is separated from the limiting hole 221 of the fixing cylinder 22, the fixing rod 21 is pulled, the fixing rod 21 moves along the fixing cylinder 22, and when the length of the fixing mechanism is adjusted to a proper length, the first magnet 31 and the second magnet 33 repel each other, and the second magnet 33 is pushed to drive the limiting block 32 to be inserted into the limiting hole 221.

Optionally, in another embodiment of the present invention, the position limiting assembly may also include: an elastic member and a stopper 32. The first end of the elastic element is connected with the groove bottom of the second groove 211, the first end of the limiting block 32 is connected with the second end of the elastic element, and the second end of the limiting block 32 can be inserted into any limiting hole 221.

Specifically, when the length of the fixing mechanism needs to be adjusted, the limiting block 32 is pressed, the second end of the limiting block 32 enters the second groove 211, so that the limiting block 32 is separated from the limiting hole 221 of the fixing cylinder 22, the fixing rod 21 is pulled, the fixing rod 21 moves along the fixing cylinder 22, and when the length of the fixing mechanism is adjusted to a proper length, the limiting block 32 is inserted into the limiting hole 221 under the action of the elastic force of the elastic member.

Further, in the above-described embodiment, the cross-sectional shape of the second end surface of the stopper 32 on the plane perpendicular to the length direction thereof is a circular arc. Alternatively, the elastic member may be a spring.

According to the bolt hole burr cleaning device provided by the embodiment of the invention, the length of the fixing mechanism can be adjusted by arranging the limiting assembly, so that the requirement of an operator is met, the bolt hole burr cleaning device can be adjusted according to the actual height of a workpiece, the operator can conveniently and comfortably operate, and the applicability of the bolt hole burr cleaning device is improved.

As shown in fig. 2, 5 and 6, in one embodiment of the present invention, the bolt hole deburring apparatus further includes a dust removing mechanism, the dust removing mechanism including: a plurality of first dust suction pipes 42, a dust screen 45, and a fan 46. As shown in fig. 5, the side surface of the second end of the mounting plate 11 is provided with a plurality of dust suction ports 41, the first end of each first dust suction pipe 42 is connected to one of the dust suction ports 41, the second end of the first dust suction pipe 42 is communicated with the fixed box 23, the fan 46 is disposed in the fixed box 23, and the dust screen 45 is disposed in the fixed box 23 and between the second end of the first dust suction pipe 42 and the fan 46.

Specifically, the side surface of the second end of the mounting plate 11 is provided with a plurality of dust suction ports 41, the plurality of dust suction ports 41 may be arranged at equal intervals or may be arranged at random, each dust suction port 41 is connected with a first dust suction pipe 42, the first dust suction pipe 42 extends to the inside of the fixing box 23 along the inside of the mounting plate 11, the inside of the fixing rod 21 and the inside of the fixing cylinder 22, and the dust screen 45 is located below the second end of the first dust suction pipe 42 to accommodate the waste dust sucked by the first dust suction pipe 42. Further, in the present embodiment, the fan 46 is a micro negative pressure fan, and when the fan rotates, the dust generated when the grinding block 12 is ground can be sucked into the fixing box 23 through the dust suction port 41 via the first dust suction pipe 42, and then falls on the dust screen 45.

Further, as shown in fig. 3, the dust removing mechanism further includes: a second suction pipe 43 and a third suction pipe 44. The second dust suction pipe 43 is vertically disposed to the plurality of first dust suction pipes 42, second ends of the plurality of first dust suction pipes 42 are communicated with a first side of the second dust suction pipe 43, a first end of the third dust suction pipe 44 is communicated with a second side of the second dust suction pipe 43, and a second end of the third dust suction pipe 44 is communicated with the fixed box 23.

Specifically, in the present embodiment, one first dust suction pipe 42 is connected to each dust suction port 41, the second end of each first dust suction pipe 42 communicates with the second dust suction pipe 43, the first and second dust suction pipes 42 and 43 are provided inside the mounting plate 11, and the third dust suction pipe 44 is provided inside the fixing rod 21 and the fixing cylinder 22 and extends into the fixing box 23. The present embodiment can reduce the amount of dust pipes entering the fixing rod 21, the fixing cylinder 22 and the fixing box 23, and facilitate the arrangement of pipes.

Further, as shown in fig. 6, in an embodiment of the present invention, the dust removing mechanism further includes: a pair of sliders 48. The opposite sides of the fixed box 23 are provided with a pair of slide grooves 47, the slide blocks 48 are respectively arranged in the slide grooves 47 and can move along the slide grooves 47, and two ends of the dustproof net 45 are respectively connected with the pair of slide blocks 48.

Specifically, the slide block 48 can slide along the slide groove 47 to take out the dust-proof net 45 from the fixed box 23, so as to conveniently dispose the scraps. Further, in this embodiment, the cross-section of the dust screen 45 is in a circular arc structure, so as to increase the collection amount of the waste chips and reduce the possibility of the dust screen being blocked.

According to the bolt hole burr cleaning device provided by the embodiment of the invention, the dust removing mechanism is arranged to utilize the work of the miniature negative pressure fan to generate negative pressure inside the fixed box, so that burr and waste chips raised by the work of the grinding block are sucked into the dust suction pipe through the dust suction port and are conveyed into the fixed box, and then are blocked by the arc-shaped dust screen, so that the automatic collection and treatment of the waste chips are realized, the inconvenience of operators caused by the diffusion of the waste chips is avoided, the subsequent cleaning action is reduced, the smooth deburring operation is facilitated, meanwhile, the dust screen can be taken out from the inside of the fixed box by utilizing the sliding of the sliding block inside the sliding groove, and the centralized treatment of the waste chips is facilitated.

In one embodiment of the invention, as shown in fig. 7, the bolt hole deburring apparatus further comprises a mounting mechanism comprising: a mounting block 51 and an adjustment member. The surface of the first end of the sanding block 12 is provided with a third groove 121, the surface of the first end of the mounting plate 11 is provided with a plurality of fourth grooves 112, the fourth grooves 112 are communicated with the first grooves 111, the opening size of the fourth grooves 112 is larger than the size of the mounting block 51, the length of the fourth grooves 112 is larger than the length of the mounting block 51, one end of the adjusting piece is connected with the mounting block 51, and the other end of the adjusting piece penetrates through the fourth grooves 112 and extends to the outside of the fourth grooves 112.

In particular, the adjustment member comprises a threaded rod 52 and a nut 53 connected. The threaded rod 52 is connected to the mounting block 51 and the nut 53 is located outside the fourth groove 112. When it is desired to tighten the mounting plate 11 to the sanding block 12, the nut 53 is threaded to move the mounting block 51 into the third recess 121. When the sanding block 12 needs to be detached from the mounting plate 11, the nut 53 can be screwed in the opposite direction to drive the mounting block 51 to move into the fourth groove 112, and because the opening size and the length of the fourth groove 112 are both larger than those of the mounting block 51, the mounting block 51 can be accommodated in the fourth groove 112, and at the moment, the sanding block 12 can slide out of the mounting plate 11 along the first groove 111.

According to the bolt hole burr cleaning device provided by the embodiment of the invention, the installation mechanism and the first groove are arranged, so that the grinding block can be conveniently disassembled, installed and processed, the installation and the disassembly are more convenient and stable, the device is convenient for operators to use, the smooth deburring operation is ensured, and the problem of inconvenient installation of the grinding block is solved.

The following illustrates the use of the threaded hole deburring device of the present invention in detail.

When the device is used, the length of the fixing mechanism is firstly adjusted according to the height of a workpiece. The stopper 32 is pressed to slide downward in the stopper hole 221, so that the distance between the first magnet 31 and the second magnet 33 is changed until the stopper 32 is completely separated from the stopper hole 221. After the fixing rod 21 is pulled to slide to a proper position in the fixing cylinder 22, the limit blocks 32 move upwards and are inserted into the corresponding limit holes 221 by using repulsive force between the first magnet 31 and the second magnet 33, so that the length between the fixing rod 21 and the fixing cylinder 22 is adjusted, the requirement of an operator is met, and deburring operation is facilitated.

Then, the electric drill is held by the hand of operating personnel, presses the trigger on the electric drill for fixed case 23 rotates and drives dead lever 21 and rotate, and then drives mounting panel 11 and sanding block 12 and rotate, polishes the processing to the burr of pore outlet portion, and simultaneously, accessible rotary drive mechanism 100 carries out the gear and adjusts, satisfies the demand of polishing at a fast speed.

In the deburring process of polishing, start fan 46 for fixed case 23 is inside to produce the negative pressure, and then in the burr sweeps that dust absorption mouth 41 will polish 12 work and raise inhales first dust absorption pipe 42, second dust absorption pipe 43 and third dust absorption pipe 44, and then falls on dust screen 45 in getting into fixed case 23, realizes handling the automatic collection of sweeps, avoids the sweeps to diffuse, causes operating personnel's inconvenience.

After the deburring operation is completed, the slide block 48 can be slid out of the slide groove 47 to take out the dust-proof net 45 from the inside of the fixed box 23, so that the waste chips can be conveniently and intensively treated.

When the grinding block 12 needs to be replaced, the adjusting piece is screwed, the mounting block 51 is moved out of the third groove 121, then the grinding block 12 slides along the first groove 111 and is moved out of the mounting plate 11, and replacement of the grinding block 12 is achieved. Accordingly, when the sanding block 12 is installed, the sanding block 12 is slid into the mounting plate 11 along the first groove 111, and then the adjustment member is turned in the opposite direction to move the mounting block 51 into the third groove 121.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. The utility model provides a bolt hole burr cleaning device which characterized in that includes:

a polishing mechanism;

one end of the fixing mechanism is connected with the polishing mechanism;

and the rotary driving mechanism is connected with the other end of the fixing mechanism.

2. The bolt hole deburring apparatus of claim 1 wherein said grinding mechanism comprises:

the first end of the mounting plate is connected with the fixing mechanism, and the second end of the mounting plate is provided with a first groove;

the first end of the polishing block is clamped with the first groove, and the cross section of the second end face of the polishing block on a plane vertical to the length direction of the second end face of the polishing block is arc-shaped.

3. The bolt hole deburring apparatus of claim 2 wherein said securing mechanism comprises:

the first end of the fixed rod is connected with the first end of the mounting plate, and a pair of second grooves are formed in the opposite surfaces of the fixed rod;

the fixed cylinder is sleeved outside the fixed rod, and a plurality of limiting holes are formed in the opposite surface of the fixed cylinder at equal intervals along the length direction of the fixed cylinder;

the limiting assembly is inserted into the second groove and any limiting hole;

and the first end of the fixed box is connected with the fixed cylinder, and the second end of the fixed box is connected with the rotary driving mechanism.

4. The bolt hole deburring apparatus of claim 3 wherein said stop assembly comprises:

a first magnet disposed within the second recess;

a first end of the limiting block is connected with a second magnet, the second magnet and the first end of the limiting block are located in the second groove, and the second end of the limiting block can be inserted into any limiting hole;

the second magnet and the first magnet are arranged oppositely, and the magnetic poles of the second magnet and the magnetic poles of the first magnet are the same.

5. The bolt hole deburring apparatus of claim 3 wherein said stop assembly comprises:

the first end of the elastic piece is connected with the groove bottom of the second groove;

the first end of the limiting block is connected with the second end of the elastic piece, and the second end of the limiting block can be inserted into any limiting hole.

6. The bolt hole deburring apparatus of claim 3 further comprising a dust removal mechanism, said dust removal mechanism comprising:

a plurality of first dust suction pipes, wherein a plurality of dust suction ports are formed in the side surface of the second end of the mounting plate, the first end of each first dust suction pipe is connected with one dust suction port, and the second end of each first dust suction pipe is communicated with the fixed box;

the fan is arranged in the fixed box;

and the dust screen is arranged in the fixed box and is positioned between the second end of the first dust suction pipe and the fan.

7. The bolt hole deburring apparatus of claim 6 wherein said dust removal mechanism further comprises:

the second dust suction pipe is perpendicular to the first dust suction pipes, and second ends of the first dust suction pipes are communicated with the first side of the second dust suction pipe;

and the first end of the third dust suction pipe is communicated with the second side of the second dust suction pipe, and the second end of the third dust suction pipe is communicated with the fixed box.

8. The bolt hole deburring apparatus of claim 6 wherein said dust removal mechanism further comprises:

the two opposite sides of the fixed box are provided with sliding grooves, the sliding blocks are arranged in the sliding grooves respectively and can slide along the sliding grooves, and two ends of the dustproof net are connected with the sliding blocks respectively.

9. The bolt hole deburring apparatus of claim 6 wherein said dust screen has a circular arc-shaped cross-sectional shape in a plane perpendicular to the length direction thereof.

10. The bolt hole deburring apparatus of claim 2, further comprising a mounting mechanism, said mounting mechanism comprising:

the surface of the first end of the polishing block is provided with a third groove, and the mounting block is inserted in the third groove;

the regulating part, the surface of the first end of mounting panel is equipped with a plurality of fourth recesses, the fourth recess with first recess intercommunication, the opening size of fourth recess is greater than the size of installation piece, just the length of fourth recess is greater than the length of installation piece, the one end of regulating part with the installation piece is connected, the other end of regulating part passes the fourth recess extends to the outside of fourth recess.

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