CN111993286A

CN111993286A - Multifunctional cutter head and cutting method thereof

Info

Publication number: CN111993286A
Application number: CN202010966266.7A
Authority: CN
Inventors: 罗金玉; 刘宁; 卞金平
Original assignee: Jiangsu Fujiteng Electromechanical Technology Co ltd
Current assignee: Jiangsu Fujiteng Electromechanical Technology Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2020-11-27

Abstract

The invention relates to the technical field of water cutting, and discloses a multifunctional cutter head and a cutting method thereof. Wherein multi-functional tool bit includes: a mounting seat; the linear driving assembly comprises a linear power assembly and a first lifting seat, the fixed end of the linear power assembly is arranged on the mounting seat, the output end of the linear power assembly is connected with the first lifting seat, and the linear power assembly can drive the first lifting seat to move along the vertical direction relative to the mounting seat; the drilling structure is arranged on the first lifting seat; the rotary cutter head is arranged on the first lifting seat and comprises a cutting cutter head body, and the cutting cutter head body can respectively rotate by taking the first rotating shaft and the second rotating shaft as rotating shafts; the height detection structure is arranged on the rotary cutter head. The multifunctional cutter head disclosed by the invention is additionally provided with the drilling structure, so that a to-be-cut piece can be drilled, the probability of cracks generated when the cutter head body cuts the to-be-cut piece is reduced, and the precision of the cutter head body for cutting the to-be-cut piece can be increased by matching the height detecting structure with the linear driving assembly.

Description

Multifunctional cutter head and cutting method thereof

Technical Field

The invention relates to the technical field of water cutting, in particular to a multifunctional cutter head and a cutting method thereof.

Background

When the existing multifunctional cutter head is used for cutting a workpiece to be cut, the cutting cutter head body is directly used for cutting the workpiece to be cut, cracks are easily generated on the workpiece to be cut in the cutting mode, and the cutting precision of the workpiece to be cut is reduced. Because the surface of the piece to be cut is provided with the protrusion or the groove, and the height of the cutting tool bit body is unchanged, the distance between the cutting tool bit body and the piece to be cut is reduced due to the protrusion, and the distance between the workpiece and the piece to be cut is increased due to the groove, so that the distance between the workpiece and the piece to be cut deviates from the optimal processing distance, and the cutting precision of the piece to be cut is further reduced.

Disclosure of Invention

Based on the above, the invention aims to provide a multifunctional cutter head and a cutting method thereof, which solve the problems that cracks are easy to generate on a to-be-cut piece and the cutting precision is low when the to-be-cut piece is cut by a cutter head body in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

a multi-function tool bit, comprising: a mounting seat; the linear driving assembly comprises a linear power assembly and a first lifting seat, the fixed end of the linear power assembly is arranged on the mounting seat, the output end of the linear power assembly is connected with the first lifting seat, and the linear power assembly can drive the first lifting seat to move along the vertical direction relative to the mounting seat; the drilling structure is arranged on the first lifting seat and used for drilling a hole in a piece to be cut; the rotary cutter head is arranged on the first lifting seat and comprises a cutter head body, the ultrahigh-pressure water sprayed out of the cutter head body can cut the piece to be cut, the cutter head body can respectively rotate by taking a first rotating shaft and a second rotating shaft as rotating shafts, and the first rotating shaft and the second rotating shaft are arranged at an included angle; the height detection structure is arranged on the rotary cutter head and used for detecting the flatness of the surface of the to-be-cut part.

As a preferable aspect of the multifunctional cutter head, the rotary cutter head further includes: the first rotary power assembly is fixedly arranged on the first lifting seat; the first rotating power assembly can drive the first rotating member group to rotate around the first rotating shaft, and the height detecting structure is arranged on the first rotating member group; the second rotary power assembly is fixedly arranged on the first rotary member group; and the second rotating power assembly is connected with the output end of the second rotating power assembly and can drive the second rotating set to rotate around the second rotating shaft.

As a preferable scheme of the multifunctional cutter head, the first rotary power assembly comprises a first rotary motor, the multifunctional cutter head further comprises a drag chain, one end of the drag chain is connected with the mounting seat, the other end of the drag chain is connected with the first lifting seat, the first rotary motor is electrically connected with a power supply through a first electric wire, and the first electric wire is arranged along the drag chain; the second rotary power assembly comprises a second rotary motor, the second rotary motor is electrically connected with the power supply through a second electric wire, a sliding ring, a wiring disc and a third electric wire in sequence, the sliding ring comprises an inner ring and an outer ring which are electrically connected, the inner ring is rotatably arranged on the outer ring, the inner ring is fixedly arranged on the first rotary member set, and the wiring disc is fixedly arranged on the inner ring.

As a preferable proposal of the multifunctional cutter head, the first lifting seat is provided with a first air inlet and a second air inlet, one of the inner wall of the first lifting seat and the outer wall of the first rotating member group is provided with a first annular air groove and a second annular air groove which are arranged along the circumferential direction, the first annular air groove and the second annular air groove are respectively communicated with the first air inlet and the second air inlet, the first rotating member group is provided with a first communicating hole, a second communicating hole, a first air pipe communicated with the first communicating hole and a second air pipe communicated with the second communicating hole, the first communicating hole is communicated with the first annular air groove, the first air pipe is communicated with a first air inlet hole of the cutting tool bit body, the second communicating hole is communicated with the second annular air groove, and the second air pipe is communicated with a second air inlet hole of the height detecting structure.

As a preferable aspect of the multifunctional cutter head, the rotary cutter head further includes: the first high-pressure component comprises a first rotary sealing component, a first high-pressure pipe and a second high-pressure pipe, a first fixed part of the first rotary sealing component is communicated with the first high-pressure pipe, and a first rotary part of the first rotary sealing component is communicated with the second high-pressure pipe; the second high-pressure assembly comprises a second rotary sealing assembly and a third high-pressure pipe, a first fixing portion of the second rotary sealing assembly is communicated with the second high-pressure pipe, a second rotating portion of the second rotary sealing assembly is communicated with the third high-pressure pipe, and the third high-pressure pipe is communicated with the water inlet of the cutting tool bit body.

As a preferable aspect of the multifunctional cutter head, the rotary cutter head further includes: the sand inlet fixing piece is provided with a first sand inlet, a connecting hole and an assembling groove, and the assembling groove is respectively communicated with the first sand inlet and the connecting hole; the sand inlet pipe is fixedly arranged at the first sand inlet; the sand inlet rotating piece is fixedly arranged on the first rotating piece group, one end of the sand inlet rotating piece sequentially penetrates through the assembling groove and the connecting hole, the sand inlet rotating piece is rotatably arranged on the sand inlet fixing piece, part of the sand inlet fixing piece is positioned in the assembling groove, the sand inlet rotating piece and the sand inlet fixing piece form a sealed sand cavity communicated with the first sand inlet, and a circulating port communicated with the sealed sand cavity is formed in the sand inlet rotating piece; the sand pipe group is arranged on the first rotating member group and comprises a first sand pipe and a second sand pipe, the first sand pipe is fixedly arranged on the first rotating member group and communicated with the circulation port, one end of the second sand pipe is connected with the first sand pipe in a sealing mode, and the other end of the second sand pipe is communicated with the second sand inlet of the cutting bit body.

As a preferable aspect of the multifunctional bit, the height detecting structure includes: the fixed seat is fixedly arranged on the first rotating member group; the air cylinder assembly is communicated with an air source and comprises a cylinder barrel and a movable assembly, the cylinder barrel is fixedly arranged on the fixed seat, one end of the movable assembly is connected with the cylinder barrel in a sliding and sealing mode, and the movable assembly can move relative to the cylinder barrel along the vertical direction; the lifting component is fixedly arranged on the movable component; the abutting piece is fixedly arranged at one end, away from the cylinder barrel, of the lifting assembly and is abutted against the piece to be detected; one end of the elastic resetting piece is connected with the fixed seat, the other end of the elastic resetting piece is connected with one end of the lifting assembly, and the elastic resetting piece is used for resetting the lifting assembly; the fixed end of the height detection piece is fixedly arranged at one end, close to the cylinder barrel, of the lifting assembly, the movable end of the height detection piece abuts against the fixed seat, and the height detection piece is used for detecting the distance of the lifting assembly moving along the vertical direction.

As a preferable aspect of the multifunctional cutter head, the elevating assembly includes: the second lifting seat is fixedly arranged in the middle of the movable assembly, the height detection piece is fixedly arranged on the second lifting seat, and the second lifting seat is connected with the elastic reset piece; the third lifting seat is fixedly arranged at one end, deviating from the cylinder barrel, of the movable assembly, and the abutting piece is fixedly arranged on the third lifting seat.

As a preferable aspect of the multifunctional cutter head, the drilling structure includes: the rotary pneumatic component is communicated with an air source; a communicating cavity is defined in the linear cylinder, a first air hole is formed in one end, close to the rotary pneumatic piece, of the linear cylinder, a second air hole is formed in one end, far away from the rotary pneumatic piece, of the linear cylinder, and the first air hole and the second air hole are respectively communicated with the air source; the rotary sealing assembly is arranged in the linear cylinder and comprises a connecting seat and a sleeve sleeved outside the connecting seat, the connecting seat is arranged at the output end of the rotary pneumatic piece, the sleeve is connected to the connecting seat in a sliding mode along the length direction of the connecting seat, the communicating cavity is divided into a first communicating cavity and a second communicating cavity which are isolated by the sleeve, the first air hole is communicated with the first communicating cavity, the second air hole is communicated with the second communicating cavity, and the rotary pneumatic piece drives the connecting seat to drive the sleeve to rotate; and the drill bit assembly is fixedly arranged on the sleeve.

A method for cutting a multifunctional cutter head according to any one of the above aspects, comprising the steps of;

the drilling structure drills holes at a preset position of the to-be-cut piece;

the linear power assembly drives the first lifting seat to drive the rotary cutter head and the height detection structure to move along the vertical direction, so that the distance from one end, close to the piece to be cut, of the cutting cutter head body to the piece to be cut is a preset distance;

the cutting tool bit body cuts the piece to be cut along a preset track, and in the cutting process, the linear power assembly can follow the flatness of the surface of the piece to be cut detected by the height detection structure to adjust the distance between the cutting tool bit body and the piece to be cut in real time, so that the distance between the piece to be cut and the cutting tool bit body is the preset distance.

The invention has the beneficial effects that: the multifunctional cutter head disclosed by the invention is additionally provided with the drilling structure, so that a hole can be drilled on the to-be-cut piece before the to-be-cut piece is cut by the cutter head body, and then the to-be-cut piece is cut by using the cutter head body, the probability of generating cracks on the to-be-cut piece is reduced, and the distance from the cutter head body to the to-be-cut piece can be maintained at the optimal cutting distance by using the height detecting structure and the linear driving assembly in a matched manner, so that the cutting precision of the to-be-cut piece cut by the cutter.

Drawings

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

FIG. 1 is a schematic view of a multi-function tool bit provided by an embodiment of the present invention;

fig. 2 is a schematic view of a multifunctional cutter head (not shown in the protection shell, the first connecting fixing seat, the sand inlet fixing member, the drilling structure, the height detecting structure, etc.) according to an embodiment of the present invention;

FIG. 3 is a schematic view of a portion of a multifunctional cutter head provided in accordance with an embodiment of the present invention;

FIG. 4 is a partial schematic structural view of FIG. 3 with the housing and a portion of the first adapter removed;

FIG. 5 is a cross-sectional view of FIG. 4;

FIG. 6 is an enlarged view of a portion of FIG. 5 at A;

FIG. 7 is an enlarged view of a portion of FIG. 5 at B;

FIG. 8 is an assembly view of a sand feeding fixture and a sand feeding rotary member, etc. provided in accordance with an embodiment of the present invention;

FIG. 9 is a cross-sectional view of FIG. 8;

FIG. 10 is a schematic diagram of a probe height structure provided by an embodiment of the present invention;

FIG. 11 is a schematic view of a height detection structure removal housing and a wind instrument protective cover provided in accordance with an embodiment of the present invention;

FIG. 12 is a cross-sectional view of a height detection structure provided by an embodiment of the present invention.

FIG. 13 is a schematic illustration of a borehole configuration provided by an embodiment of the present invention;

FIG. 14 is an enlarged view of a portion of FIG. 13 at C;

FIG. 15 is an enlarged view of a portion of FIG. 5 at D; .

In the figure:

100. drilling a hole structure; 200. a height detecting structure; 300. rotating the cutter head;

111. a mounting seat; 112. a guide connecting seat; 113. a slider; 114. a protective shell; 115. a drag chain;

2. a linear power assembly; 21. a linear motor; 22. a ball screw;

3. a first lifting seat; 301. a first annular gas groove; 302. a second annular gas groove; 31. a fourth seal ring; 32. a housing;

41. a first rotary power assembly; 42. a first electric wire;

5. a first rotating member group; 51. a first spin column; 52. a first connecting seat;

6. a first air pipe;

71. a second rotary power assembly; 711. a second rotating electrical machine; 712. a second decelerator; 713. a first bevel gear; 714. a second bevel gear; 72. a second electric wire;

8. a second rotating member group; 81. a second connecting seat; 82. sealing the shaft sleeve;

9. a cutting bit body; 90. a second sand inlet; 91. an air valve; 92. a connecting member; 93. a spray rod;

101. a first high voltage component; 1011. a first rotary seal assembly; 10111. a first connecting and fixing component; 101110, a first water inlet hole; 101111, a first connecting fixing seat; 101112, a first water guiding ring; 101113, a first seal ring; 10112. a first high pressure spool; 101120, a second water inlet hole; 1012. a first high pressure pipe; 1013. a second high-pressure tube; 102. a second high voltage component; 1021. a second rotary seal assembly; 10211. a second connecting and fixing component; 102110, a third water inlet hole; 102111, a second connecting fixed seat; 102112, a second water guiding ring; 102113, a second seal ring; 10212. a second high pressure spool; 102120, a fourth water inlet hole; 1022. a third high pressure pipe;

11. rotating the tube;

120. sealing the sand cavity; 121. a sand inlet fixing piece; 1210. a first sand inlet; 122. a sand inlet pipe; 123. a sand feeding rotating member; 1230. a flow port; 124. a sand hose;

131. a slip ring; 1311. an inner ring; 1312. an outer ring; 132. a patch panel;

14. a fixed seat; 141. a fixed seat body; 142. a housing;

15. a cylinder assembly; 151. a cylinder barrel; 152. a movable component; 1521. a movable rod; 1522. a first piston; 1523. a third seal ring;

16. a lifting assembly; 161. A second lifting seat; 162. A third lifting seat;

171. an abutting member; 172. A baffle plate; 1720. An adjustment groove;

18. an elastic reset member;

19. detecting a height of the detecting piece;

201. a first linear bearing; 202. a second linear bearing;

24. a guide post;

25. an organ protection cover;

26. rotating the pneumatic member;

27. drilling a cylinder;

28. a drill bit body; 2801. a helical groove; 2802. a tapered groove;

291. a bearing seat; 292. a connecting seat.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment provides a multifunctional cutter head, as shown in fig. 1 to 15, which includes a mounting base 111, a drilling structure 100, a linear driving assembly, a height detecting structure 200 and a rotary cutter head 300, wherein the mounting base 111 is provided with a protective shell 114, the linear driving assembly is located in the protective shell 114 and includes a linear power assembly 2 and a first lifting base 3, a fixed end of the linear power assembly 2 is disposed on the mounting base 111, an output end of the linear power assembly is connected to the first lifting base 3, the linear power assembly 2 can drive the first lifting base 3 to move in a vertical direction relative to the mounting base 111, the drilling structure 100 is disposed on the first lifting base 3, the drilling structure 100 is used for drilling a hole on a workpiece to be cut, the height detecting structure 200 is disposed on the rotary cutter head 300, the height detecting structure 200 is used for detecting a flatness of a surface of the workpiece to be cut, the rotary cutter head 300 is disposed on the first lifting base 3, the rotary cutter head 300 includes, the ultrahigh pressure water sprayed by the cutting tool bit body 9 can cut a piece to be cut, the cutting tool bit body 9 can rotate by taking the first rotating shaft and the second rotating shaft as rotating shafts respectively, and the first rotating shaft and the second rotating shaft are arranged at an included angle.

The drilling structure 100 additionally arranged on the multifunctional cutter head provided by the embodiment can drill on the piece to be cut before the piece to be cut is cut by the cutter head body 9, then the piece to be cut is cut by using the cutter head body 9, the probability of cracks generated on the piece to be cut is reduced, the probe height structure 200 and the linear driving assembly are matched for use, so that the distance from the cutter head body 9 to the piece to be cut is maintained at the optimal cutting distance, and the cutting precision of the piece to be cut by the cutter head body 9 is increased.

As shown in fig. 2 to fig. 5, the rotary cutter head 300 of the present embodiment further includes a first rotary power assembly 41, a first rotary member group 5, a second rotary power assembly 71, and a second rotary member group 8, the first rotary power assembly 41 is fixedly disposed on the first lifting base 3, the first lifting base 3 is provided with a housing 32 to protect the first rotary power assembly 41, the first rotary member group 5 is connected to an output end of the first rotary power assembly 41, the first rotary power assembly 41 can drive the first rotary member group 5 to rotate around a first rotation axis, and the height detecting structure 200 is disposed on the first rotary member group 5. The second rotary power assembly 71 is fixedly arranged on the first rotary power assembly 5, the second rotary power assembly 8 is connected with an output end of the second rotary power assembly 71, and the second rotary power assembly 71 can drive the second rotary power assembly 8 to rotate around a second rotating shaft.

Specifically, the second rotary power assembly 71 of the present embodiment can drive the second rotary member group 8 to rotate the cutting head body 9 between-90 ° and 90 °. The position where the central axis of the cutting bit body 9 coincides with the first rotation axis is used as a reference point, the second rotary power assembly 71 drives the cutting bit body 9 to rotate clockwise by a positive angle, and rotates counterclockwise by a negative angle. When a planar workpiece to be cut is cut, the second rotary power assembly 71 can drive the second rotary member group 8 to drive the cutting head body 9 to rotate between-60 degrees and 60 degrees, and when a three-dimensional workpiece to be cut is cut, the second rotary power assembly 71 can drive the second rotary member group 8 to drive the cutting head body 9 to rotate between-90 degrees and 90 degrees. This arrangement ensures that the cutting bit body 9 has a suitable radius of rotation when cutting a piece to be cut, thereby ensuring that a hole or groove of a predetermined shape is cut in the piece to be cut.

As shown in fig. 2, the linear power assembly 2 of the present embodiment includes a linear motor 21 and a ball screw 22, the ball screw 22 is disposed at the output end of the linear motor 21, the ball screw 22 includes a screw rod and a nut connected with the screw rod through a thread, the screw rod is disposed at the output end of the linear motor 21, the first lifting seat 3 is fixedly disposed on the nut, the linear motor 21 can drive the screw rod to rotate, and further the nut moves along the vertical direction, the nut drives the first lifting seat 3, the first rotary power assembly 41, the first rotary power assembly 5, the second rotary power assembly 71, the second rotary power assembly 8 and the cutting head body 9 move along the vertical direction, the movement of the cutting head in the vertical direction is realized, the purpose of adjusting the distance from the cutting head body 9 to the workpiece to be cut is achieved, and therefore the workpiece to be cut is conveniently.

As shown in fig. 2, the multifunctional cutter head of the embodiment further includes a guiding connection seat 112, the guiding connection seat 112 is slidably connected to the mounting seat 111 through a slider 113, the guiding connection seat 112 is fixedly disposed on the nut, and the first lifting seat 3 is connected to the guiding connection seat 112.

The first rotary power assembly 41 of the present embodiment includes a first rotary electric machine and a first reduction gear, and the first rotating element group 5 is provided on the first reduction gear. As shown in fig. 2, the multifunctional cutter head further comprises a drag chain 115, one end of the drag chain 115 is connected with the mounting base 111, the other end is connected with the first lifting base 3, the first rotating motor is electrically connected with a power supply through a first electric wire 42, and the first electric wire 42 is arranged along the drag chain 115.

As shown in fig. 4, the second rotating power assembly 71 of the present embodiment includes a second rotating electric machine 711 and a second reduction gear 712, the central axis of the second rotating electric machine 711 is perpendicular to the second rotating shaft, and the second rotating member group 8 is provided on the second reduction gear 712. As shown in fig. 2 and 4, the second rotating electric machine 711 is electrically connected to a power source via a second electric wire 72, a slip ring 131, a terminal plate 132, and a third electric wire (not shown), the slip ring 131 includes an inner ring 1311 and an outer ring 1312 that are electrically connected, the inner ring 1311 is rotatably disposed on the outer ring 1312, the inner ring 1311 is fixedly disposed on the first rotating member group 5, the terminal plate 132 is fixedly disposed on the inner ring 1311, and one end of the third electric wire is connected to the terminal plate 132 and the other end is connected to the second rotating electric machine 711.

The first rotating electrical machine and the second rotating electrical machine 711 of this embodiment are servo motors, and first reduction gear and second reduction gear 712 are harmonic drive reduction gears, and harmonic drive reduction gears have the advantage that the noise is little, the velocity ratio is big, the precision is high, efficient and light in weight for the cutting precision of rotary cutter head 300 is higher, cutting efficiency is high and the noise is less. Of course, in other embodiments, the first speed reducer and the second speed reducer 712 can be other types of speed reducers, and are selected according to actual needs.

The first rotary power assembly 41 of this embodiment further includes a synchronous belt, a first synchronous wheel and a second synchronous wheel, the first synchronous wheel is disposed at the output end of the first rotary motor, the second synchronous wheel is fixedly disposed on the first rotary member set 5, the synchronous belt is sleeved on the first synchronous wheel and the second synchronous wheel so as to enable the first synchronous wheel and the second synchronous wheel to rotate synchronously, and the first rotary motor can drive the first rotary member set 5 to rotate through the first synchronous wheel, the synchronous belt and the second synchronous wheel. Specifically, the angular velocity of the first synchronizing wheel is 2 times the angular velocity of the second synchronizing wheel so as to decrease the angular velocity output by the linear motor 21 for the first time, and the angular velocity input to the first decelerator is 50 times the angular velocity output by the first decelerator so as to decrease the angular velocity output by the linear motor 21 for the second time, that is, the first rotational speed ratio of the angular velocity of the linear motor 21 to the angular velocity of the first rotating member group 5 is 100:1, so that the first rotating member group 5 is rotated at an appropriate angular velocity. Of course, in other embodiments, the first rotation speed ratio is not limited to this limitation of the embodiment, and may be other values, which are specifically selected according to actual needs.

As shown in fig. 4, the second rotary power assembly 71 of this embodiment further includes a first bevel gear 713 and a second bevel gear 714 engaged with the first bevel gear 713, the first bevel gear 713 is disposed at an output end of the second rotary motor 711, the second bevel gear 714 is disposed on the second rotary member group 8, and the second rotary motor 711 can drive the second rotary member group 8 to rotate through the first bevel gear 713 and the second bevel gear 714. Specifically, as shown in fig. 4, the second rotating element set 8 of the present embodiment includes a second connecting seat 81 and a sealing shaft sleeve 82, the cutting bit body 9 is disposed on the second connecting seat 81, and the sealing shaft sleeve 82 is sleeved on the second rotating sealing component 1021, so as to prevent high-pressure water in the second rotating sealing component 1021 from leaking outwards and damaging the second rotating motor 711 and the second speed reducer 712, and ensure that the second rotating motor 711 and the second speed reducer 712 operate normally.

The angular velocity of the first bevel gear 713 of the present embodiment is 2 times the angular velocity of the second bevel gear 714 so as to reduce the angular velocity output by the first rotating electrical machine for the first time, and the angular velocity input to the second reduction gear is 50 times the angular velocity output by the second reduction gear so as to reduce the angular velocity output by the first rotating electrical machine for the second time, that is, the second rotation speed ratio of the angular velocity of the first rotating electrical machine to the angular velocity of the second rotating electrical machine group 8 is 100:1, so that the second rotating electrical machine group 8 is rotated at an appropriate angular velocity. Of course, in other embodiments, the second rotation speed ratio is not limited to this limitation of this embodiment, and may be other values, which are specifically selected according to actual needs.

As shown in fig. 5, the first rotating member set 5 of the present embodiment includes a first rotating column 51 and a first connecting seat 52, one end of the first rotating column 51 is disposed on the first power assembly, the other end is disposed on the first connecting seat 52, the second power assembly is disposed on the first connecting seat 52, and an included angle between the first rotating shaft and the second rotating shaft is 45 °.

As shown in fig. 5, the cutter head body 9 of the present embodiment includes an air valve 91, a connecting member 92, and a spray bar 93, the connecting member 92 is located between the air valve 91 and the spray bar 93, and the air valve 91 is used to open the connecting member 92 so as to communicate or close the connecting member 92 with the spray bar 93. Specifically, spray bar 93 is rotatably connected to link 92, and link 92 has one end communicating with spray bar 93 and the other end communicating with the ultrahigh pressure water outlet of the high pressure water unit.

Specifically, when a to-be-cut piece is cut, the air valve 91 is not ventilated, the spray rod 93 is in a working state, the spray rod 93 is communicated with the pressurizing assembly, ultrahigh pressure water at an ultrahigh pressure water outlet of the pressurizing assembly enters the spray rod 93 through the connecting piece 92, and the to-be-cut piece can be cut through the ultrahigh pressure water sprayed out of the tail end of the spray rod 93; the air valve 91 is ventilated, the spray rod 93 is in a disconnected state, the ultrahigh pressure water at the ultrahigh pressure water outlet of the pressurizing assembly cannot continuously enter the spray rod 93 through the connecting piece 92, so that the tail end of the spray rod 93 cannot normally spray the ultrahigh pressure water, and the to-be-cut piece cannot be continuously cut at the moment.

When the first rotating power assembly 41 provided by the embodiment drives the first rotating member set 5 and the cutting head body 9 to rotate, the first lifting seat 3 cannot rotate along with the first rotating member set, so that a pipe for supplying air to the air inlet cannot rotate along with the first lifting seat, one end of the air pipe is connected with the first rotating member set 5, the other end of the air pipe is connected with the cutting head body 9, the air pipe synchronously rotates along with the first rotating member set 5 and the cutting head body 9, the winding phenomenon of the air pipe is avoided, and the cutting head body 9 can rotate around the first rotating shaft infinitely.

As shown in fig. 2, the rotary cutter head 300 of the present embodiment further includes a first high-pressure assembly 101 and a second high-pressure assembly 102, the first high-pressure assembly 101 includes a first rotary seal assembly 1011, a first high-pressure pipe 1012 and a second high-pressure pipe 1013, a first fixing portion of the first rotary seal assembly 1011 communicates with the first high-pressure pipe 1012, a first rotating portion of the first rotary seal assembly 1011 communicates with the second high-pressure pipe 1013, the second high-pressure assembly 102 includes a second rotary seal assembly 1021 and a third high-pressure pipe 1022, a first fixing portion of the second rotary seal assembly 1021 communicates with the second high-pressure pipe 1013, a second rotating portion of the second rotary seal assembly 1021 communicates with the third high-pressure pipe 1022, and the third high-pressure pipe 1022 communicates with the water inlet of the cutting head body 9.

As shown in fig. 6, the first rotary sealing assembly 1011 of this embodiment includes a first connecting fixing assembly 10111 and a first high-pressure rotating shaft 10112, the first connecting fixing assembly 10111 defines a first accommodating cavity and a first water inlet 101110 communicated with the first accommodating cavity thereon, the first water inlet 101110 is communicated with the first high-pressure pipe 1012, the first high-pressure rotating shaft 10112 is provided with a first communicating cavity and a second water inlet 101120, the first high-pressure rotating shaft 10112 is disposed on the second high-pressure pipe 1013 and is communicated with the second high-pressure pipe 10112, one end of the first high-pressure rotating shaft 10112 extends into the first accommodating cavity, and the second water inlet 101120 is communicated with the first accommodating cavity and the first communicating cavity.

Specifically, as shown in fig. 6, the first connecting and fixing assembly 10111 includes a first connecting and fixing seat 101111, a first water guide ring 101112 and a first sealing ring 101113, the first water guide ring 101112 is located in the first connecting and fixing seat 101111, the first water inlet hole 101110 is disposed on the first connecting and fixing seat 101111 and the first water guide ring 101112, the first sealing ring 101113 is located between an inner wall of the first connecting and fixing seat 101111 and an outer wall of the first water guide ring 101112 to prevent high-pressure water entering through the first water inlet hole 101110 from leaking outwards along a gap between the first water guide sleeve and the first connecting and fixing seat 101111, the first connecting and fixing seat 101111 and the first water guide ring 101112 form a first accommodating chamber, the first water guide ring 101112 is sleeved on the first high-pressure rotating shaft 10112, an upper portion and a lower portion of the first water guide ring 101112 are in interference fit with the first high-pressure rotating shaft 10112, a first water filling chamber is formed between a middle portion of the first water guide ring 101112 and the first high-pressure rotating shaft 10112, the first water filling cavity is communicated with the first water inlet hole 101110 and the second water inlet hole 101120,

the first rotary seal assembly 1011 of this embodiment realizes the intercommunication of the first high-pressure pipe 1012 that will not rotate and the second high-pressure pipe 1013 of rotation, compares with current rotary joint, and simple structure, volume are less, do benefit to the miniaturized setting of multi-functional tool bit.

As shown in fig. 7, the second rotary sealing assembly 1021 of the present embodiment includes a second connecting and fixing assembly 10211 and a second high-pressure rotating shaft 10212, the second connecting and fixing assembly 10211 defines a second accommodating cavity and a third water inlet 102110 communicated with the second accommodating cavity, the third water inlet 102110 is communicated with the second high-pressure pipe 1013, the second high-pressure rotating shaft 10212 is provided with a second communicating cavity and a fourth water inlet 102120, the second high-pressure rotating shaft 10212 is disposed on the rotating member set, and one end of the second high-pressure rotating shaft 10212 extends into the second accommodating cavity, the fourth water inlet 102120 is communicated with the second accommodating cavity and the second communicating cavity, and the second high-pressure rotating shaft 10212 is communicated with the third high-pressure pipe 1022.

Specifically, as shown in fig. 7, the second connecting and fixing assembly 10211 includes a second connecting fixing seat 102111, a second water guide ring 102112 and a second sealing ring 102113, the second water guide ring 102112 is located in the second connecting fixing seat 102111, a third water inlet hole 102110 is disposed on the second connecting fixing seat 102111 and the second water guide ring 102112, the second sealing ring 102113 is located between an inner wall of the second connecting fixing seat 102111 and an outer wall of the second water guide ring 102112 to prevent high-pressure water entering through the third water inlet hole 102110 from leaking outwards along a gap between the second water guide sleeve and the second connecting fixing seat 102111, the second connecting fixing seat 102111 and the second water guide ring 102112 form a second accommodating cavity, the second water guide ring 102112 is sleeved on the second high-pressure rotating shaft 10212, an upper portion and a lower portion of the second water guide ring 102112 are in interference fit with the second high-pressure rotating shaft 12, a middle portion of the second water guide ring 102112 and the second high-pressure rotating shaft 10212 form a second water filling cavity, and the first water filling portion of the second water guide ring accommodating cavity is a first water filling portion, the second water filling cavity is communicated with the third water inlet 102110 and the fourth water inlet 102120.

The second rotary seal assembly 1021 of this embodiment realizes the communication of the second high-pressure tube 1013, which does not rotate, with the third high-pressure tube 1022, which is simple in structure, small in volume, and favorable for the miniaturization of the multifunctional cutter head, compared with the existing rotary joint.

As shown in fig. 4 and 5, the rotary cutter head 300 of the present embodiment further includes a rotary pipe 11, the rotary pipe 11 is penetratingly disposed on the first rotary member group 5, and the second high-pressure pipe 1013 is disposed inside the rotary pipe 11.

As shown in fig. 1, 3, 4, 8 and 9, the rotary cutter head 300 of this embodiment further includes a sand inlet fixing member 121, a sand inlet pipe 122, a sand inlet rotating member 123 and a sand pipe set, the sand inlet fixing member 121 is provided with a first sand inlet 1210, a connection hole and an assembly groove, the assembly groove is respectively communicated with the first sand inlet 1210 and the connection hole, the sand inlet pipe 122 is fixedly disposed at the first sand inlet 1210, the sand inlet rotating member 123 is fixedly disposed on the first rotating member set 5, one end of the sand inlet rotating member 123 sequentially passes through the assembly groove and the connection hole and the sand inlet rotating member 123 is rotatably mounted on the sand inlet fixing member 121, a part of the sand inlet fixing member 121 is disposed in the assembly groove, the sand inlet rotating member 123 and the sand inlet fixing member 121 form a sand sealing chamber 120 communicated with the first sand inlet 1210, the sand inlet rotating member 123 is provided with a circulation port 1230 communicated with the sand sealing chamber 120, the sand pipe set is disposed on the first rotating member set 5 and includes a first sand pipe and a second sand pipe, the first sand pipe is fixedly arranged on the first rotating member group 5 and is communicated with the circulation port 1230, one end of the second sand pipe is hermetically connected with the first sand pipe, and the other end of the second sand pipe is communicated with the second sand inlet 90 of the cutting bit body 9.

Since the first sand inlet 1210 is disposed on the sand inlet fixing member 121, when the sand inlet rotating member 123 rotates along with the second high pressure pipe 1013, the sand inlet 122 communicating with the first sand inlet 1210 does not twist because the sand inlet fixing member 121 is fixed, and sand entering the sand sealing chamber 120 through the sand inlet 122 finally flows out of the through opening 1230.

It should be noted that, because one end of the sand hose 124 is connected to the sand inlet rotary member 123 and the other end is connected to the cutting bit body 9, when the first rotary power assembly 41 works, the sand hose 124, the rotary pipe 11, the sand inlet rotary member 123 and the cutting bit body 9 rotate synchronously, so that the sand hose 124, the rotary pipe 11, the sand inlet rotary member 123 and the cutting bit body 9 are relatively static, thereby preventing the sand hose 124 from rotating relative to the rotary pipe 11, the sand inlet rotary member 123 and the cutting bit body 9 and winding up, and enabling the sand hose 124 to smoothly provide sand for the cutting bit body 9.

As shown in fig. 10 to 12, the height detecting structure 200 of this embodiment includes a fixing base 14, an air cylinder assembly 15, a lifting assembly 16, an abutting member 171, an elastic resetting member 18, and a height detecting member 19, where the fixing base 14 is fixedly disposed on the first rotating member set 5, the air cylinder assembly 15 is communicated with an air source, the air cylinder assembly 15 includes a cylinder 151 and a movable assembly 152, the cylinder 151 is fixedly disposed on the fixing base 14, one end of the movable assembly 152 is slidably and sealingly connected to the cylinder 151, the movable assembly 152 is capable of moving relative to the cylinder 151 along a vertical direction, the lifting assembly 16 is fixedly disposed on the movable assembly 152, the abutting member 171 is fixedly disposed at an end of the lifting assembly 16 away from the cylinder 151, the abutting member 171 abuts against a member to be detected, one end of the elastic resetting member 18 is connected to the fixing base 14, the other end is connected to one end of the lifting assembly 16, the elastic resetting member, the fixed end of the height detection piece 19 is fixedly arranged at one end, close to the cylinder 151, of the lifting assembly 16, the movable end of the height detection piece 19 abuts against the fixed seat 14, and the height detection piece 19 is used for detecting the distance of the lifting assembly 16 moving along the vertical direction.

It should be noted that the elastic restoring member 18 in fig. 11 is not connected to the lifting assembly 16, and the lower end of the elastic restoring member 18 is connected to the lifting assembly 16 during actual assembly. The abutting member 171 of this embodiment is a height detecting semicircular ring, and the height detecting semicircular ring is always abutted to the member to be cut. In other embodiments, the abutment member 171 may also be a height-detecting ring or other shape of the abutment member 171, which is selected according to actual needs.

The height detection structure 200 of this embodiment is under the combined action of elasticity piece 18 and cylinder subassembly 15 that resets, and the butt 171 can rise or descend along with the recess along with the arch of waiting to cut the surface to lift subassembly 16 and movable assembly 152 move along with butt 171 along vertical direction up or down towards, and then the high detection piece 19 of spying detects out movable assembly 152's displacement, finally surveys the roughness of waiting to cut the surface, thereby be convenient for in time adjust the height of rotary cutter head 300 in order to improve the cutting precision that rotary cutter head 300 waited to cut the piece.

Specifically, as shown in fig. 11, the lifting assembly 16 includes a second lifting seat 161 and a third lifting seat 162, the second lifting seat 161 is fixedly disposed in the middle of the movable assembly 152, the height detection member 19 is fixedly disposed on the second lifting seat 161, the second lifting seat 161 is connected to the elastic reset member 18, the third lifting seat 162 is fixedly disposed at one end of the movable assembly 152 away from the cylinder 151, and the abutting member 171 is fixedly disposed on the third lifting seat 162.

Specifically, when the abutting part 171 is abutted to the protrusion on the member to be cut gradually, because the pressure of the gas in the cylinder 151 is not large, the abutting part 171 gradually moves upwards, so as to drive the third lifting seat 162, the second lifting seat 161 and the movable assembly 152 to move upwards for the same distance along with the abutting part 171, meanwhile, the fixed end of the height detection part 19 moves upwards along with the second lifting seat 161, the movable end is always abutted to the fixed seat 14, at this time, the height detection part 19 detects the distance of the upward movement of the movable assembly 152, the deformation amount of the elastic reset part 18 is reduced, and the space of the cylinder 151 on the upper part of the movable assembly 152 is reduced.

When the abutting part 171 is gradually abutted with the groove on the member to be cut, the abutting part 171 gradually moves downwards, the gas in the cylinder 151 pushes the movable component 152 to drive the second lifting seat 161 and the third lifting seat 162 to move downwards for the same distance, meanwhile, the fixed end of the height detection part 19 moves downwards along with the second lifting seat 161, the movable end is always abutted on the fixed seat 14, at the moment, the height detection part 19 detects the distance that the movable component 152 moves downwards, the deformation amount of the elastic reset part 18 is increased, and the space of the cylinder 151 on the upper part of the movable component 152 is increased.

Specifically, as shown in fig. 10, the fixing base 14 of the present embodiment includes a fixing base body 141 and a housing 142, the housing 142 is fixedly disposed on the fixing base body 141, a cylinder 151 is fixedly disposed on the fixing base body 141, and the cylinder 151, the elastic restoring member 18, the height detecting member 19 and the second lifting base 161 are located in the housing 142. The rotary cutter head 300 is connected with the fixing seat body 141, and when the height detection part 19 detects that the abutting part 171 moves upwards or downwards on the piece to be cut, the whole body of the fixing seat 14 is driven to move upwards or downwards, so that the distance between the rotary cutter head 300 and the piece to be cut is maintained within the optimal cutting distance range, and the cutting precision of the piece to be cut is ensured.

As shown in fig. 12, the movable assembly 152 of this embodiment includes a movable rod 1521 and a first piston 1522, the first piston 1522 is disposed at one end of the movable rod 1521 through the screw fixation, the second lifting seat 161 is disposed at the middle of the movable rod 1521 through the screw fixation, the third lifting seat 162 is disposed at one end of the movable rod 1521 departing from the cylinder 151 through the screw fixation, a first linear bearing 201 is disposed between the movable rod 1521 and the housing 142, the first linear bearing 201 is disposed on the housing 142, and the first linear bearing 201 can ensure that the movable rod 1521 moves along the vertical direction. In order to ensure the sealing connection between the first piston 1522 and the cylinder 151, as shown in fig. 12, a third sealing ring 1523 is interposed between the first piston 1522 and the cylinder 151, so as to prevent a space of the cylinder 151 located above the first piston 1522 from leaking downward through a gap between the first piston 1522 and the cylinder 151. In this embodiment, an organ protection cover 25 is disposed between the fixed seat 14 and the third lifting seat 162, and the organ protection cover 25 is sleeved on the movable rod 1521 to protect the movable rod 1521.

Specifically, the height detection piece 19 of the present embodiment is a self-resetting linear displacement sensor, which belongs to the prior art and is specifically available by outsourcing. The fixed end of the self-resetting linear displacement sensor is fixedly arranged on the second lifting seat 161, and the movable end abuts against the shell 142. When the floating height detecting structure 200 is assembled, the movable end of the self-resetting linear displacement sensor abuts against the housing 142 and part of the movable end retracts into the fixed end, so that the movable end can extend out of the fixed end or continue to retract towards the fixed end.

Because the length of the movable rod 1521 is long, in order to ensure that the movable rod 1521 moves along the vertical direction, as shown in fig. 11 and 12, a guide post 24 penetrating through the second lifting seat 161 is arranged on the fixed seat 14, and the guide post 24 extends along the vertical direction. The second lifting base 161 is provided with a second linear bearing 202, and the second linear bearing 202 is clamped between the second lifting base 161 and the guide column 24, so that the second lifting base 161 moves in the vertical direction under the guiding action of the guide column 24 and the second linear bearing 202.

As shown in fig. 10 to 12, the floating height detecting structure 200 of the present embodiment further includes a baffle 172, the baffle 172 is fixedly disposed on the lifting assembly 16 to prevent water splashed outwards when the rotary cutter head 300 cuts a workpiece from falling onto the third lifting base 162 and rusting the surface of the third lifting base 162, and the abutting member 171 is fixedly disposed on the baffle 172. As shown in fig. 10, the baffle 172 is provided with an adjusting slot 1720, the adjusting slot 1720 extends along the vertical direction, the installation height of the baffle 172 on the lifting assembly 16 is adjustable, so as to adjust the installation height of the baffle 172 and the abutment member 171 on the second installation seat 111, and change the height from the bottom end of the third lifting seat 162 to the abutment member 171, thereby satisfying the detection of different heights of the members to be cut.

As shown in fig. 13 and 14, the drilling structure 100 of the present embodiment includes a rotary pneumatic member 26, a drilling cylinder 27, a rotary sealing assembly and a drill bit assembly, the rotary pneumatic member 26 is communicated with an air source, a communicating chamber is defined in the drilling cylinder 27, one end of the drilling cylinder 27 close to the rotary pneumatic member 26 is provided with a first air hole, one end far away from the rotary pneumatic member 26 is provided with a second air hole, the first air hole and the second air hole are respectively communicated with the air source, the rotary sealing assembly is disposed in the drilling cylinder 27 and includes an intermediate connecting member and a sleeve sleeved outside the intermediate connecting member, the intermediate connecting member is disposed at an output end of the rotary pneumatic member 26, the sleeve is slidably connected to the intermediate connecting member along a length direction of the intermediate connecting member, the sleeve divides the communicating chamber into a first communicating chamber and a second communicating chamber which are isolated, the first air hole is communicated with the first communicating chamber, the second air hole is communicated with the second, the rotary pneumatic member 26 drives the intermediate connecting member to drive the sleeve to rotate, and the drill bit assembly is fixedly arranged on the sleeve.

The rotatory pneumatic member 26 of drilling structure 100 of this embodiment is compared with prior art, circuit control is simpler, production cost is reduced, when using drill bit assembly, at first the air supply lets in gas so that drill bit assembly outwards stretches out through first gas port to first intercommunication intracavity, then the air supply communicates with first intercommunication chamber and rotatory pneumatic member 26 simultaneously, rotatory pneumatic member 26 drive coupling assembling drives drill bit assembly's rotation and treats the cutting member and bore a hole, after the drilling, the air supply lets in gas so that drill bit assembly retracts inwards to the second intercommunication intracavity through the second gas port.

Specifically, the intermediate connecting member of this embodiment is a spline shaft, and the sleeve is a spline housing that is slidably attached to the spline shaft along the length direction of the spline shaft. The spline shaft and the spline housing are matched, so that the spline housing can slide relative to the spline shaft, and the spline housing and the spline shaft can synchronously rotate. Of course, in other embodiments of the present invention, the intermediate connecting member is not limited to the spline shaft of this embodiment, and the spline housing is not limited to the spline housing of this embodiment, but may also have other structures as long as it is ensured that the sleeve can slide relative to the intermediate connecting member and the sleeve and the intermediate connecting member can synchronously rotate, which is specifically selected according to actual needs.

The drilling cylinder 27 of this embodiment includes the cylinder body and locates the second piston in the cylinder body, and the spline cover is located to the second piston cover so that spline cover and cylinder body sealing connection. The second piston sleeve is arranged on the sleeve, the second piston is attached to the inner wall of the cylinder body, the phenomenon of air leakage when differential pressure exists between the second piston and the cylinder body is prevented, and the first communicating cavity and the second communicating cavity are isolated from each other.

When the air supply lets in gas through first gas pocket to first intercommunication intracavity, the atmospheric pressure in the first intercommunication intracavity increases gradually, the first effort crescent of the gaseous spline housing and second piston in the first intercommunication intracavity, and the gaseous second effort of the spline housing and second piston in second intercommunication chamber is unchangeable, when the difference of first effort and second effort is greater than the sum of the first frictional force between spline housing and the spline shaft and the second frictional force between second piston and the cylinder body, second piston and spline housing remove for the spline shaft for drill bit assembly outwards stretches out. Correspondingly, when the air source leads gas into the second communicating cavity through the second air hole, the first acting force is unchanged, the second acting force is gradually increased, and when the difference value between the second acting force and the first acting force is larger than the sum of the first friction force and the second friction force, the second piston and the spline sleeve move relative to the spline shaft, so that the drill bit assembly retracts inwards.

The rotatory pneumatic member 26 of this embodiment is pneumatic motor, and when the air supply let in gas to pneumatic motor, pneumatic motor's output can rotate, and pneumatic motor compares with current motor, same power pneumatic motor and motor, and pneumatic motor's volume is littleer, and this kind of pneumatic motor does benefit to the miniaturized setting of the drilling structure 100 of the cutting bit of this embodiment for the drilling structure 100 of cutting bit is compacter. Specifically, the adjustment of the rotating speed of the output end of the pneumatic motor is realized by controlling the gas flow of the gas source introduced into the pneumatic motor, and finally the change of the rotating speed of the drill bit assembly is realized.

The drilling structure 100 of the cutting head of the present embodiment further includes a bearing seat 291 and a bearing (not shown in the figure), the bearing seat 291 is disposed between the rotary pneumatic member 26 and the drilling cylinder 27, the bearing is disposed on the bearing seat 291, one end of the intermediate connecting member penetrates through the bearing and is connected with the output end of the rotary pneumatic member 26, an outer ring 1312 of the bearing is fixedly disposed on the bearing seat 291, an inner ring 1311 is sleeved on the intermediate connecting member, the inner ring 1311 of the bearing can synchronously rotate along with the intermediate connecting member, and the bearing seat 291 and the bearing support the intermediate connecting member.

The drill bit assembly of this embodiment includes a drill bit connector (not shown) and a drill bit body 28, wherein one end of the drill bit connector is fixedly disposed on the sleeve, and the other end of the drill bit connector is fixedly connected to the drill bit body 28. As shown in fig. 14, the bit body 28 is provided with a spiral groove 2801 and a tapered groove 2802, the tapered groove 2802 is provided along the circumferential direction of the bit body 28, and the tapered groove 2802 is located at one end of the bit body 28 away from the bit connector. Specifically, the spiral groove 2801 is formed to form a suitable cutting edge space for facilitating cutting of the member to be cut, and a chip removal channel for facilitating removal of chips cut when drilling the member to be cut. The tapered slot 2802 not only facilitates the feeding of the bit body 28, resulting in a greater force when the bit body 28 is in contact with a workpiece to be cut, but also increases the wear resistance of the bit body 28, reducing the probability of the bit body 28 wearing out.

The drilling structure 100 of the cutter head of the present embodiment further includes a damper (not shown) provided on the drilling cylinder 27, which can adjust the moving speed of the sleeve and the drill bit assembly in the length direction of the intermediate connector. During drilling, when the distance between the drill bit body 28 and the piece to be cut is large, the drill bit body 28 moves towards the piece to be cut at a high speed, the distance between the drill bit body 28 and the piece to be cut is gradually reduced, in order to prevent the drill bit body 28 from tilting relative to the piece to be cut due to the fact that the moving speed of the drill bit body 28 is too high, the damper can enable the sleeve to drive the moving speed of the drill bit assembly to be reduced, when the drill bit body 28 is close to the piece to be cut, under the damping effect of the damper, the drill bit body 28 moves towards the piece to be cut at a low speed, in addition, the damper can also play a role in damping and energy dissipation, and the drill bit body 28 is guaranteed to be stably positioned at the position to be drilled. After drilling, the sleeve drives the drill bit body 28 to move towards the direction away from the to-be-cut piece at a slower speed under the damping action of the damper, and then moves towards the direction away from the to-be-cut piece at a faster speed, so that the drill bit body 28 and the to-be-cut piece are quickly separated, the drilling time of the to-be-cut piece of the drilling structure 100 of the cutting tool bit is shortened, and the to-be-cut piece is quickly drilled. In particular, the specific structure of the damper belongs to the prior art, and can be obtained by outsourcing.

The drilling structure 100 of the cutting head of the present embodiment further includes a connecting seat 292, and the connecting seat 292 is sleeved on the drilling cylinder 27. The connecting seat 292 is used to fixedly connect the drilling structure 100 of the cutting head to the first elevating seat 3.

Be equipped with first air inlet and second air inlet on the first lift seat 3 of this embodiment, be equipped with on the inner wall of first lift seat 3 along first annular gas groove 301 and the second annular gas groove 302 that circumference set up, first annular gas groove 301 and second annular gas groove 302 communicate with first air inlet and second air inlet respectively, be equipped with first intercommunication hole on the first rotating member group 5, the second intercommunication hole, first trachea 6 with first intercommunication hole intercommunication and the second trachea that communicates with the second intercommunication hole, first intercommunication hole and first annular gas groove 301 intercommunication, first trachea 6 and the first inlet port intercommunication of cutting tool bit body 9, second intercommunication hole and second annular gas groove 302 intercommunication, the second trachea communicates with the second inlet port of visiting high structure 200.

Specifically, as shown in fig. 15, three fourth sealing rings 31 are disposed between the first lifting seat 3 and the first rotating member group 5, and the three fourth sealing rings 31 are respectively located below the first annular gas groove 301, between the first gas inlet and the second gas inlet, and above the first annular gas groove 301, so as to prevent gas in the first annular gas groove and the second annular gas groove 302 from leaking outwards through a gap between the first lifting seat 3 and the first rotating member group 5. When the first rotating motor drives the first rotating member group 5 to drive the second rotating motor 711, the second rotating member group 8 and the cutting bit body 9 to rotate, the first rotating member group 5, the air pipe and the cutting bit body 9 rotate synchronously, so that the first rotating member group 5, the air pipe and the cutting bit body 9 are relatively static, and the phenomenon of winding of the air pipe is avoided. Of course, in other embodiments of the present invention, an annular air groove may be further provided on the outer wall of the first rotating assembly, the annular air groove communicating the communication hole and the air inlet.

The multifunctional cutter head of the embodiment has a compact structure, and the machining precision is higher when a workpiece to be cut is cut. Specifically, the distance in the vertical direction from the upper end of the second connecting and fixing member 10211 of the rotary cutter head 300 to the lower end of the cutting head body 9 is defined as a radius of rotation, and the radius of rotation of the multi-functional cutter head in the related art is about 260mm, which cannot be made smaller by the structure of the related rotary cutter head 300. And the radius of rotation of the rotary cutter head 300 of this embodiment is 188mm for the interference of treating the cutting piece when cutting the piece to be cut is reduced, and simultaneously, the smaller the radius of rotation is, the higher the cutting precision when cutting the piece to be cut is, so that the cutting precision when the rotary cutter head 300 of this embodiment cuts the piece to be cut is greatly improved compared with the prior art.

The present embodiment further provides a method for cutting a multifunctional cutter head according to the present embodiment, including the following steps;

the drilling structure 100 drills holes at preset positions of a piece to be cut;

the linear power assembly 2 drives the first lifting seat 3 to drive the rotary cutter head 300 and the height detection structure 200 to move in the vertical direction, so that the distance from one end, close to a to-be-cut piece, of the cutting cutter head body 9 to the to-be-cut piece is a preset distance;

the cutting tool bit body 9 cuts the piece to be cut along a preset track, and in the cutting process, the linear power assembly 2 can adjust the distance between the cutting tool bit body 9 and the piece to be cut in real time along with the flatness of the surface of the piece to be cut detected by the height detecting structure 200, so that the distance between the piece to be cut and the cutting tool bit body 9 is a preset distance.

By adopting the cutting method of the multifunctional cutter head provided by the embodiment, the probability of breakage of the piece to be cut can be reduced, the cutting precision of the piece to be cut by the cutter head body 9 can be improved, the yield of the piece to be cut is increased, and the cutting cost is reduced.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A multi-function tool bit, comprising:

a mounting seat (111);

the linear driving assembly comprises a linear power assembly (2) and a first lifting seat (3), the fixed end of the linear power assembly (2) is arranged on the mounting seat (111), the output end of the linear power assembly is connected with the first lifting seat (3), and the linear power assembly (2) can drive the first lifting seat (3) to move along the vertical direction relative to the mounting seat (111);

the drilling structure (100) is arranged on the first lifting seat (3), and the drilling structure (100) is used for drilling a hole in a piece to be cut;

the rotary cutter head (300) is arranged on the first lifting seat (3), the rotary cutter head (300) comprises a cutter head body (9), ultrahigh-pressure water sprayed by the cutter head body (9) can cut the piece to be cut, the cutter head body (9) can respectively rotate by taking a first rotating shaft and a second rotating shaft as rotating shafts, and the first rotating shaft and the second rotating shaft are arranged in an included angle;

the height detection structure (200) is arranged on the rotary cutter head (300), and the height detection structure (200) is used for detecting the flatness of the surface of the piece to be cut.

2. The multifunctional cutter head according to claim 1 wherein the rotary cutter head (300) further comprises:

the first rotating power assembly (41) is fixedly arranged on the first lifting seat (3);

the first rotating member group (5) is connected with the output end of the first rotating power assembly (41), the first rotating power assembly (41) can drive the first rotating member group (5) to rotate around the first rotating shaft, and the height detecting structure (200) is arranged on the first rotating member group (5);

a second rotary power assembly (71) fixedly arranged on the first rotary member group (5);

and the second rotating member group (8) is connected with the output end of the second rotating power assembly (71), and the second rotating power assembly (71) can drive the second rotating member group (8) to rotate around the second rotating shaft.

3. The multifunctional cutter head according to claim 2, wherein the first rotary power assembly (41) comprises a first rotary motor, the multifunctional cutter head further comprises a drag chain (115), one end of the drag chain (115) is connected with the mounting base (111), the other end of the drag chain is connected with the first lifting base (3), the first rotary motor is electrically connected with a power supply through a first electric wire (42), and the first electric wire (42) is arranged along the drag chain (115);

the second rotary power assembly (71) comprises a second rotary motor (711), the second rotary motor (711) is electrically connected with a power supply through a second electric wire (72), a slip ring (131), a wiring disc (132) and a third electric wire in sequence, the slip ring (131) comprises an inner ring (1311) and an outer ring (1312) which are electrically connected, the inner ring (1311) is rotatably arranged on the outer ring (1312), the inner ring (1311) is fixedly arranged on the first rotary member group (5), and the wiring disc (132) is fixedly arranged on the inner ring (1311).

4. The multi-functional cutter head according to claim 2, wherein the first lifting seat (3) is provided with a first air inlet and a second air inlet, one of the inner wall of the first lifting seat (3) and the outer wall of the first rotating member group (5) is provided with a first annular air groove (301) and a second annular air groove (302) which are circumferentially arranged, the first annular air groove (301) and the second annular air groove (302) are respectively communicated with the first air inlet and the second air inlet, the first rotating member group (5) is provided with a first communication hole, a second communication hole, a first air pipe (6) communicated with the first communication hole, and a second air pipe communicated with the second communication hole, the first communication hole is communicated with the first annular air groove (301), and the first air pipe (6) is communicated with a first air inlet hole of the cutting head body (9), the second communication hole is communicated with the second annular air groove (302), and the second air pipe is communicated with a second air inlet hole of the height detecting structure (200).

5. The multifunctional cutter head according to claim 2 wherein the rotary cutter head (300) further comprises:

a first high pressure assembly (101) comprising a first rotary seal assembly (1011), a first high pressure pipe (1012) and a second high pressure pipe (1013), wherein a first fixed part of the first rotary seal assembly (1011) is communicated with the first high pressure pipe (1012), and a first rotary part of the first rotary seal assembly (1011) is communicated with the second high pressure pipe (1013);

a second high pressure assembly (102) comprising a second rotary seal assembly (1021) and a third high pressure pipe (1022), wherein a first fixed portion of the second rotary seal assembly (1021) is in communication with the second high pressure pipe (1013), a second rotary portion of the second rotary seal assembly (1021) is in communication with the third high pressure pipe (1022), and the third high pressure pipe (1022) is in communication with the water inlet of the cutting bit body (9) body.

6. The multifunctional cutter head according to claim 2 wherein the rotary cutter head (300) further comprises:

the sand inlet fixing piece (121) is provided with a first sand inlet (1210), a connecting hole and an assembling groove, and the assembling groove is communicated with the first sand inlet (1210) and the connecting hole respectively;

the sand inlet pipe (122), the sand inlet pipe (122) is fixedly arranged at the first sand inlet (1210);

the sand inlet rotating piece (123) is fixedly arranged on the first rotating piece group (5), one end of the sand inlet rotating piece (123) sequentially penetrates through the assembling groove and the connecting hole, the sand inlet rotating piece (123) is rotatably arranged on the sand inlet fixing piece (121), part of the sand inlet fixing piece (121) is positioned in the assembling groove, the sand inlet rotating piece (123) and the sand inlet fixing piece (121) form a sealed sand cavity (120) communicated with the first sand inlet (1210), and a flow hole (1230) communicated with the sealed sand cavity (120) is formed in the sand inlet rotating piece (123);

the sand pipe group is arranged on the first rotating member group (5) and comprises a first sand pipe and a second sand pipe, the first sand pipe is fixedly arranged on the first rotating member group (5) and communicated with the circulation port (1230), one end of the second sand pipe is connected with the first sand pipe in a sealing mode, and the other end of the second sand pipe is communicated with a second sand inlet (90) of the cutting bit body (9).

7. The multifunctional cutter head according to claim 2, wherein the elevation structure (200) comprises:

the fixed seat (14) is fixedly arranged on the first rotating group (5);

the air cylinder assembly (15) is communicated with an air source, the air cylinder assembly (15) comprises a cylinder barrel (151) and a movable assembly (152), the cylinder barrel (151) is fixedly arranged on the fixed seat (14), one end of the movable assembly (152) is connected with the cylinder barrel (151) in a sliding and sealing mode, and the movable assembly (152) can move relative to the cylinder barrel (151) along the vertical direction;

the lifting assembly (16) is fixedly arranged on the movable assembly (152);

the abutting piece (171), the abutting piece (171) is fixedly arranged at one end of the lifting component (16) departing from the cylinder barrel (151), and the abutting piece (171) abuts against the piece to be detected;

one end of the elastic resetting piece (18) is connected with the fixed seat (14), the other end of the elastic resetting piece is connected with one end of the lifting assembly (16), and the elastic resetting piece (18) is used for resetting the lifting assembly (16);

the fixed end of the height detection piece (19) is fixedly arranged at one end, close to the cylinder barrel (151), of the lifting component (16), the movable end of the height detection piece (19) is abutted to the fixed seat (14), and the height detection piece (19) is used for detecting the distance of the lifting component (16) moving along the vertical direction.

8. The multifunctional cutter head according to claim 7, wherein the lifting assembly (16) comprises:

the second lifting seat (161) is fixedly arranged in the middle of the movable assembly (152), the height detection piece (19) is fixedly arranged on the second lifting seat (161), and the second lifting seat (161) is connected with the elastic reset piece (18);

the third lifting seat (162) is fixedly arranged at one end, away from the cylinder barrel (151), of the movable assembly (152), and the abutting part (171) is fixedly arranged on the third lifting seat (162).

9. The multifunctional cutter head according to claim 1, wherein the drilling structure (100) comprises:

the rotary pneumatic piece (26), the rotary pneumatic piece (26) is communicated with an air source;

a communicating cavity is defined in the linear cylinder, a first air hole is formed in one end, close to the rotary pneumatic piece (26), of the linear cylinder, a second air hole is formed in one end, far away from the rotary pneumatic piece (26), of the linear cylinder, and the first air hole and the second air hole are respectively communicated with the air source;

the rotary sealing assembly is arranged in the linear cylinder and comprises an intermediate connecting piece and a sleeve sleeved outside the intermediate connecting piece, the intermediate connecting piece is arranged at the output end of the rotary pneumatic piece (26), the sleeve is connected to the intermediate connecting piece in a sliding mode along the length direction of the intermediate connecting piece, the sleeve divides the communicating cavity into a first communicating cavity and a second communicating cavity which are isolated from each other, the first air hole is communicated with the first communicating cavity, the second air hole is communicated with the second communicating cavity, and the rotary pneumatic piece (26) drives the intermediate connecting piece to drive the sleeve to rotate;

and the drill bit assembly is fixedly arranged on the sleeve.

10. A method of cutting the multifunctional blade according to any one of claims 1 to 9, comprising the steps of;

the drilling structure (100) drills holes at preset positions of the to-be-cut piece;

the linear power assembly (2) drives the first lifting seat (3) to drive the rotary cutter head (300) and the height detection structure (200) to move along the vertical direction, so that the distance from one end, close to the piece to be cut, of the cutting cutter head body (9) to the piece to be cut is a preset distance;

the cutting tool bit body (9) cuts the piece to be cut along a preset track, in the cutting process, the linear power assembly (2) can follow the flatness of the surface of the piece to be cut detected by the height detection structure (200) to adjust the distance between the cutting tool bit body (9) and the piece to be cut in real time, so that the piece to be cut and the distance between the cutting tool bit body (9) are preset distances.