CN114682854A - Notching machine for valve machining and using method - Google Patents

Abstract

The invention relates to the technical field of valve machining and discloses a scoring machine for valve machining, which comprises a fixed seat, wherein a driving shaft is rotatably connected at the center of the fixed seat, a coupling sleeve is welded at the bottom of the driving shaft, a cutter head is clamped at the bottom of the coupling sleeve, a circular baffle is integrally formed in the middle of the cutter head, vibration suppression components are arranged in the circular baffle in an array mode, and a supporting component corresponding to the vibration suppression components is arranged at the position, close to the bottom, of an installation groove of the fixed seat. When the assembly body through tool bit and circular baffle rotated, the centrifugal force that produces drove magnet and moves to the opening part of standing groove earlier on, cooperation magnet one and the mutual repulsion between the magnet two, when tool bit and circular baffle rotational speed increase or tool bit take place the vibration, can make the interval between magnet one and the magnet two diminish, increase magnet one and the mutual repulsion between the magnet two, through the mutual repulsion of increase, the vibration effect of suppression tool bit to reach the effect of suppression tool bit vibration.

Description

Notching machine for valve machining and using method

Technical Field

The invention relates to the technical field of valve processing, in particular to a scoring machine for valve processing and a using method thereof.

Background

The valve is generally connected on the pipeline for flow direction of flowing medium in the regulation and control pipeline, the switching of pipeline etc. the kind of valve has ball valve, butterfly valve etc. and the connected mode is the same between valve and the pipeline each portion, if threaded connection, through clamp connection, through ring flange connection etc. on the surface of valve, generally need to lead to the nick machine and carry out the nick processing, sign the valve, make things convenient for people to distinguish the model of valve and conveniently know the information of valve.

When the valve utilizes the nick machine to advance the nick, carry out the nick through the quick rotation of tool bit and effect on the surface of valve, and the tool bit receives blocking of valve surface at rotatory in-process, and its self produces the vibration easily, makes the nick defect appear, and then influences the effect of nick, and the tool bit vibrates for a long time moreover, also can influence the life of tool bit.

A member for suppressing vibration is arranged among the cutter head, the coupling sleeve and the mounting seat, and when the cutter head vibrates, a suppression force for suppressing vibration is applied to the cutter head under the condition of not contacting the cutter head, so that the vibration amplitude of the cutter head is reduced, and the notching machine for machining the valve and the using method are further provided.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the scoring machine for machining the valve and the using method thereof, which have the advantages of inhibiting the vibration of the cutter head and the like, and solve the problems that the vibration of the cutter head causes the effect of scoring on the surface of the machine to be poor and the service life of the cutter head is influenced.

(II) technical scheme

In order to achieve the purpose of inhibiting the vibration of the cutter head, the invention provides the following technical scheme: the utility model provides a nick machine is used in valve processing, includes the fixing base, the middle part of fixing base is run through and has been seted up the mounting groove, the center department of fixing base rotates and is connected with the driving shaft, the bottom welding of driving shaft has the shaft coupling sleeve, the bottom joint of shaft coupling sleeve has the tool bit, the middle part integrated into one piece of tool bit has circular baffle, circular baffle butt is in the bottom of shaft coupling sleeve, circular baffle's inside array is provided with presses down the part that shakes, the mounting groove of fixing base is close to bottom department and is provided with and presses down the support component that the part corresponds that shakes, the array is provided with the guide part on the mounting groove middle part inner wall of fixing base.

Preferably, the circumferential surface of the circular baffle is provided with the placing groove in an array manner, the two side walls of the placing groove inside the circular baffle are provided with the sliding grooves, and the top wall and the bottom wall of the placing groove inside the circular baffle are provided with the semicircular grooves in an array manner.

Preferably, the vibration suppression component comprises a first spring fixedly mounted on the end face of the placing groove, a first magnet is fixedly mounted at the other end of the first spring, first sliders are fixedly mounted on two sides of the first magnet, the first sliders are slidably connected in the sliding grooves, rotating wheels are rotatably connected to the top and the bottom of the first sliders in an array mode, rubber pads are fixedly mounted on one sides, far away from the end face of the placing groove, of the first sliders, and the vibration suppression component further comprises a blocking component rotatably connected in the semicircular groove.

Preferably, it is including the carousel to block the part, the center department of carousel rotates and is connected with the pivot, the pivot runs through the carousel and extends to the both sides of carousel, the carousel rotates through the pivot to be connected on the both sides inner wall in semicircle groove, the arc wall has been seted up on the surface of carousel, sliding connection has slider two in the arc wall, the fixed surface of pivot installs the coil spring, the other end and the two fixed mounting of slider of coil spring, just keep away from one side fixed mounting in semicircle groove on the periphery of carousel and have the triangle-shaped board, the breach has all been seted up to the both sides of triangle-shaped board, the surperficial cladding of triangle-shaped board has the rubber layer.

Preferably, when the first magnet moves back and forth along the placement groove, the upper side and the lower side of one end of the first magnet abut against the surface of the rubber layer and are positioned at the notch opening.

Preferably, one end face of the arc-shaped groove and the rotating shaft are on the same vertical plane, the other end face of the arc-shaped groove is located on one side, close to the end face of the placing groove, of the rotating shaft, and the sliding block abuts against the arc-shaped groove and the end face on the same vertical plane in a second normal state.

Preferably, the circular recess of seting up in the mounting groove inner wall bottom of fixing base is seted up including the array to support component's inside, the opening of circular recess is relative with the opening of standing groove, fixed mounting has the annular slab on the inner wall of circular recess, it has the connecting rod to peg graft in the annular slab, the one end fixed mounting that the connecting rod is close to the circular recess terminal surface has piston plate one, the other end fixed mounting of connecting rod has magnet two, magnet two is the same with the relative one end polarity of magnet one, it has hydraulic oil to fill in the inside and be located of circular recess between piston plate one and the circular recess terminal surface of circular recess.

Preferably, the guide part is including the array offer the hemisphere groove on the mounting groove inner wall of fixing base, the fixing base just is located the center department of hemisphere inslot wall and has seted up and has taken in the groove, it divide into two parts to take in the groove, it is less than half second half internal diameter to take in the groove near half internal diameter of hemisphere groove, be provided with the hemisphere shell in the hemisphere groove, roll connection has the ball on the hemisphere shell inner wall, the array is provided with buffer unit on the outer wall of hemisphere shell, the center department of hemisphere shell outer wall rotates and is connected with reset unit, the guide part is still including offering at the inside spiral passageway of fixing base and slope passageway.

Preferably, the outer wall of the coupling sleeve is provided with balls matched with the balls in an array mode, and the balls are abutted to the inner wall to roll.

Preferably, the buffering part is including the bull stick of array setting on the hemisphere shell outer wall, the bull stick is the slope form and rotates to connect on the outer wall of hemisphere shell, the other end of bull stick rotates and connects on the inner wall of hemisphere groove, the middle part of bull stick rotates and is connected with the inserted bar, the gasket has been cup jointed on the surface of inserted bar, one side fixed mounting that the gasket is close to the bull stick has spring two of cup jointing on the inserted bar, spring two's other end fixed mounting is on the inserted bar surface, still including seting up the groove of dodging on the fixing base and being located hemisphere inslot wall, the inserted bar is pegged graft and is dodging somebody's turn to do and slide in dodging the inslot, the gasket butt just is located the opening part of dodging the groove at hemisphere inslot wall.

Preferably, the reset component is including rotating the piston rod of connecting in hemisphere shell outer wall center department, the other end fixed mounting of piston rod has piston plate two, the surface of piston plate two has cup jointed the piston section of thick bamboo, the inside packing of piston section of thick bamboo has hydraulic oil, the through-hole has been seted up to the array on the periphery that the piston section of thick bamboo kept away from piston rod one end, the piston section of thick bamboo is located and accomodates the great half of inslot diameter, it has the space to reserve between inslot wall and the piston section of thick bamboo outer wall to accomodate.

Preferably, helical channel is the heliciform and is located the outside of accomodating the groove, slope passageway and helical channel intercommunication, the slope passageway is the slope form, slope passageway and the inside mounting groove intercommunication of fixing base, the opening of slope passageway is located circular baffle's top, and towards the seam crossing between circular baffle and the shaft sleeve.

Preferably, the using method of the scoring machine comprises the following specific steps:

s1, the driving shaft and the cutter head are connected together through the coupling sleeve, when the driving shaft is driven to rotate by an external driving source, the cutter head and the assembly body of the circular baffle plate rotate simultaneously, the bottom end of the cutter head moves on the surface of the valve while rotating, the surface of the valve is scored, and therefore marks are marked;

s2, when the tool bit and the assembly body of the circular baffle rotate, the assembly body of the first magnet and the first slide block moves towards the opening of the placing groove under the action of centrifugal force, the rotating speed of the tool bit and the assembly body of the circular baffle is larger, the moving distance between the first spring and the first slide block is larger, and when the magnet moves towards the opening of the placing groove, the first spring is pulled to extend the length of the first spring, elastic potential energy is accumulated, power is provided for resetting of the first magnet, the first slide block and the first magnet move synchronously, the first slide block moves along the inner wall of the sliding groove, the rotating wheel abuts against the top wall and the bottom wall of the first magnet to roll, and the friction force between the first slide block and the inner wall of the sliding groove is reduced;

s3, in the process that the magnet moves towards the opening of the placement groove, the magnet abuts against the surface of the rubber layer and pushes the assembly body of the triangular plate and the turntable to deflect towards the opening of the placement groove around the rotating shaft, the impact between the magnet I and the triangular plate is buffered through the arrangement of the rubber layer and the notch, in the rotating process of the turntable, the sliding block II slides along the arc-shaped groove under the elastic action of the coil spring, so that the resistance force applied in the rotating process of the turntable is smaller, and after the magnet I and the triangular plate are staggered, the triangular plate drives the assembly body of the triangular plate and the turntable to reversely rotate under the action of gravity, so that the triangular plate is restored to the vertical state;

s4, as the distance of the magnet moving towards the opening of the placing groove is increased, the distance between the first magnet and the second magnet is decreased, the mutual repulsion force between the first magnet and the second magnet is increased, the assembly body of the second magnet and the connecting rod and the first piston plate extrudes hydraulic oil filled in the circular groove under the action of the mutual repulsion force, the assembly body of the second magnet, the connecting rod and the first piston plate is supported through the hydraulic pressure of the hydraulic oil, and when the assembly body of the cutter head, the circular baffle, the driving shaft and the coupling sleeve vibrates in the rotating process, the vibration is inhibited through the mutual repulsion force between the first magnet and the second magnet, and the amplitude of the cutter head is reduced;

s5, in the rotating process of the assembly body of the driving shaft and the coupling sleeve, the balls abut against the inner surface of the coupling sleeve and roll, when the assembly body of the driving shaft and the coupling sleeve vibrates in the rotating process, oblique extrusion force is applied to the balls by the coupling sleeve, the assembly body of the hemispherical shell and the balls deflects, the hemispherical shell extrudes the rotating rod, the rotating rod rotates along one end connected with the inner wall of the hemispherical groove and pushes the inserting rod to slide to the end face of the avoiding groove along the inner wall of the avoiding groove, the gasket abuts against the inner wall of the hemispherical groove, the second spring is compressed, the rotating rod is supported through the elasticity of the second spring, and then the assembly body of the hemispherical shell and the balls is supported;

s6, when the assembly of the hemispherical shell and the ball deflects, the extrusion force of the hemispherical shell and the ball is divided by a horizontal component force to push the piston rod and the assembly of the piston plate II to move towards the end surface of the piston cylinder, so that hydraulic oil in the piston cylinder passes through the through hole to enter a gap between the piston cylinder and the accommodating groove, the hydraulic pressure in the accommodating groove is increased, negative pressure occurs in an inner cavity between the end surface of the piston cylinder close to one side of the hemispherical groove and the piston plate II, and the piston plate II and the piston rod are exerted with an inward horizontal force through the hydraulic pressure in the accommodating groove and the negative pressure in the piston cylinder, so that the assembly of the hemispherical shell and the ball is supported, and the assembly of the driving shaft and the coupling sleeve is inhibited from continuously vibrating;

s7, injecting water into the spiral channel and the inclined channel through an external driving source, cooling the hydraulic oil in the containing groove through the water flowing in the spiral channel, inhibiting the oil temperature of the hydraulic oil from rising under the action of pressure, spraying the water sprayed out from the opening of the inclined channel to the joint of the coupling sleeve and the circular baffle, cooling the cutter head and the coupling sleeve simultaneously, and preventing the temperature between the coupling sleeve and the cutter head from being uneven;

s8, after the nicking of the valve is finished, the rotating speed of the assembly body of the driving shaft, the coupling sleeve, the cutter head and the circular baffle is gradually reduced, the first magnet moves towards the end face of the placing groove under the pulling of the elastic force of the first spring, one end of the first magnet, which is close to the end face of the placing groove, abuts against the surface of the rubber layer and pushes the triangular plate and the turntable to deflect towards the end face of the placing groove, the second slider abuts against the end face of the arc-shaped groove, which is the same vertical plane with the rotating shaft, so that the second slider and the turntable deflect synchronously, at the moment, the coil spring is twisted and stores elastic potential energy, thereby providing resistance to the rotation of the turntable through the elasticity of the coil spring, causing the first magnet to receive larger resistance when moving towards the end face of the placing groove, preventing the first magnet from rapidly moving towards the end face of the placing groove without any obstruction, causing the first spring to stretch back and forth, and causing the first magnet to vibrate in the placing groove, further drive the circular baffle and the assembly body vibration of tool bit.

(III) advantageous effects

Compared with the prior art, the invention provides a scoring machine for valve processing and a using method thereof, and the scoring machine has the following beneficial effects:

1. this nicking machine and application method are used in valve processing, when the assembly body through tool bit and circular baffle rotated, the centrifugal force that produces drove magnet and moved to the opening part of standing groove earlier on, cooperation magnet one and the mutual repulsion between the magnet two, when tool bit and circular baffle rotational speed increase or tool bit take place the vibration, can make the interval between magnet one and the magnet two diminish, increase the mutual repulsion between magnet one and the magnet two, through the mutual repulsion that increases, the vibration effect of suppression tool bit, thereby reach the effect of suppression tool bit vibration.

2. The nicking machine for processing the valve and the using method thereof, when the assembly body of the driving shaft and the coupling sleeve vibrates, the ball is extruded, the hemispherical shell deflects relative to the piston rod, the rotating rod is extruded, the spring II is compressed, the spring II accumulates elastic potential energy, when the hemispherical shell deflects, outward thrust is applied to the piston rod, the piston plate II moves outwards along the inside of the piston cylinder, negative pressure is generated inside the piston cylinder, the hydraulic pressure of gap hydraulic oil between the piston cylinder and the accommodating groove is increased, the piston rod is inhibited from moving outwards by matching the hydraulic pressure in the gap between the piston cylinder and the accommodating groove through the negative pressure in the piston cylinder, the assembly body of the hemispherical shell and the ball is supported, and further the vibration generated by the driving shaft and the coupling sleeve assembly body is resisted, in the prior art, when the rotating shaft vibrates, because of the steel balls sleeved inside a bearing on the surface of the rotating shaft, the easy vibration of pivot is extruded under, takes place the damage, and hemisphere shell and ball can be to the design that the hemisphere inslot contracts, can guarantee the hemisphere shell to the stable holding power of coupling sleeve, make the coupling sleeve can rotate steadily, can prevent again that the coupling sleeve from taking place the vibration when, damaging the ball.

3. This nicking machine and application method are used in valve processing, through the cladding of screw channel spiral in the outside of accomodating the groove, when cooling water flows in screw channel, can cool off the hydraulic oil in the gap between accomodating groove and the piston cylinder, also can cool off the hydraulic oil in the piston cylinder, ensure guide part's normal operating, and the water that the slope passageway erupted, strike the seam crossing at shaft coupling and circular baffle, cool down shaft coupling and tool bit simultaneously, and among the prior art, only carry out water spray cooling to the tool bit through the shower nozzle, make the difference in temperature between tool bit and the shaft coupling easily, cause joint strength to reduce between shaft coupling and the tool bit, thereby shaft coupling and tool bit cool down simultaneously, better cooling effect has.

Drawings

FIG. 1 is a schematic cross-sectional front view of the present invention;

FIG. 2 is a perspective view of the assembled tool bit and coupling sleeve of the present invention;

FIG. 3 is a schematic sectional view of the vibration suppressing member according to the present invention;

FIG. 4 is a schematic view of a three-dimensional cut-away structure of the vibration suppressing member of the present invention;

FIG. 5 is an enlarged view of detail A of FIG. 3 according to the present invention;

FIG. 6 is a schematic perspective view of a barrier component of the present invention;

FIG. 7 is a schematic sectional front view of the support member of the present invention;

FIG. 8 is a schematic sectional front view of the guide member of the present invention;

FIG. 9 is a perspective view of the guide member of the present invention;

FIG. 10 is an enlarged view of detail B of FIG. 8 according to the present invention;

fig. 11 is a schematic view showing an assembly structure of the spiral channel and the inclined channel according to the present invention.

In the figure: 1. a fixed seat; 2. a drive shaft; 3. a coupling sleeve; 4. a cutter head;

5. a circular baffle; 51. a placement groove; 52. a chute; 53. a semicircular groove;

6. a vibration suppressing member; 61. a first spring; 62. a magnet I; 63. a first sliding block; 64. a rotating wheel; 65. a rubber pad;

66. a blocking member; 661. a turntable; 662. a rotating shaft; 663. an arc-shaped slot; 664. a second sliding block; 665. a coil spring; 666. a triangular plate; 667. a notch; 668. a rubber layer;

7. a support member; 71. a circular groove; 72. an annular plate; 73. a connecting rod; 74. a piston plate I; 75. a second magnet;

8. a guide member; 81. a hemispherical groove; 82. a receiving groove; 83. a hemispherical shell; 84. a ball bearing;

85. a buffer member; 851. a rotating rod; 852. inserting a rod; 853. a gasket; 854. a second spring; 855. an avoidance groove;

86. a reset component; 861. a piston rod; 862. a second piston plate; 863. a piston cylinder; 864. a through hole;

87. a spiral channel; 88. the channel is inclined.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

Referring to fig. 1 and 4, a scoring machine for valve machining includes a fixing base 1, a mounting groove is formed in the middle of the fixing base 1 in a penetrating manner, a driving shaft 2 is rotatably connected to the center of the fixing base 1, a coupling sleeve 3 is welded to the bottom of the driving shaft 2, a cutter head 4 is clamped to the bottom of the coupling sleeve 3, the coupling sleeve 3 and the cutter head 4 are detachably connected, and the scoring machine belongs to the prior art, and a specific connection mode between the coupling sleeve 3 and the cutter head 4 is not repeated in the present invention. The middle part integrated into one piece of tool bit 4 has circular baffle 5, and circular baffle 5's diameter is greater than the diameter of shaft coupling sleeve 3, and circular baffle 5 butt has seted up standing groove 51 in the bottom of shaft coupling sleeve 3 on the periphery of circular baffle 5 array, and the inside spout 52 that has all seted up on the both sides wall that just is located standing groove 51 of circular baffle 5, and semicircular groove 53 has all been seted up in the equal array on 5 inside and the roof that just is located standing groove 51 of circular baffle and the diapire. Thereby reserving an installation space of the vibration suppressing member 6. Circular baffle 5's inside array is provided with presses down the part 6 that shakes, and the mounting groove of fixing base 1 is close to bottom department and is provided with the support component 7 that corresponds with pressing down the part 6 that shakes, and the array is provided with guide part 8 on the mounting groove middle part inner wall of fixing base 1.

Referring to fig. 1 and 3-6, the vibration suppressing member 6 includes a first spring 61 fixedly mounted on an end surface of the placing slot 51, a first magnet 62 fixedly mounted on the other end of the first spring 61, and a magnetic shielding layer coated on an inner wall of the placing slot 51 for preventing a magnetic field of the first magnet 62 from affecting a structure outside the placing slot 51. The first sliding blocks 63 are fixedly mounted on two sides of the first magnet 62, and the first magnet 62 is arranged in the placing groove 51 in a suspending mode through the first sliding blocks 63. The first slide block 63 is slidably connected in the slide groove 52, and the first slide block 63 slides in the slide groove 52 to drive the first magnet 62 to move in the placing groove 51. The top and the bottom of the first sliding block 63 are connected with the rotating wheel 64 in an array rotating mode, one side, far away from the end face of the placing groove 51, of the first sliding block 63 is fixedly provided with a rubber pad 65, and through the arrangement of the rubber pad 65, when the first sliding block 63 is prevented from moving towards the opening of the placing groove 51, the first sliding block 63 violently collides with the end face of the sliding groove 52, the sliding groove 52 is close to the end face of the opening of the placing groove 51, the first sliding block 63 is limited, and the first magnet 62 is prevented from completely extending out of the opening of the placing groove 51 and being separated from the placing groove 51. The damping member 6 also includes a stop member 66 rotatably coupled within the semi-circular groove 53.

Referring to fig. 3-6, the blocking member 66 includes a rotating plate 661, a rotating shaft 662 is rotatably connected to a center of the rotating plate 661, the rotating shaft 662 penetrates the rotating plate 661 and extends to two sides of the rotating plate 661, the rotating plate 661 is rotatably connected to inner walls of two sides of the semicircular groove 53 through the rotating shaft 662, and a cross section of the semicircular groove 53 is semicircular and is adapted to the rotating plate 661. An arc-shaped groove 663 is formed in the surface of the rotating disc 661, and a second sliding block 664 is slidably connected in the arc-shaped groove 663. One end face of the arc-shaped groove 663 and the rotating shaft 662 are on the same vertical plane, the other end face of the arc-shaped groove 663 is positioned on one side of the rotating shaft 662 close to the end face of the placing groove 51, and the second sliding block 664 is abutted against the end faces of the arc-shaped grooves 663 and 622 on the same vertical plane in a normal state. A coil spring 665 is fixedly arranged on the surface of the rotating shaft 662, and the other end of the coil spring 665 is fixedly arranged with the second slider 664, so that in fig. 5, when the rotating disc 661 rotates counterclockwise relative to the rotating shaft 662, the second slider 664 can slide along the inner wall of the arc-shaped groove 663 under the resistance of the coil spring 665, so that the resistance of the rotating shaft 662 is small, and when the rotating disc 661 rotates instantaneously, the rotating disc 661 abuts against the second slider 664 through the end surface of the arc-shaped groove 663, so that the second slider 664 rotates synchronously with the rotating disc 661, the coil spring 665 is twisted, elastic potential energy is accumulated, and the rotating disc 661 rotates with large resistance.

Referring to fig. 6, a triangular plate 666 is fixedly installed on a side of the circumferential surface of the turntable 661 away from the semi-circular groove 53, notches 667 are formed on both sides of the triangular plate 666, and a rubber layer 668 is coated on the surface of the triangular plate 666. When the first magnet 62 moves back and forth along the placement groove 51, the upper and lower sides of the end of the first magnet 62 abut against the surface of the rubber layer 668 and are located at the opening of the notch 667. Through the breach 667 that the rubber layer 668 has elastic fit triangle-shaped board 666 and offers, when magnet 62 collides with the assembly body of triangle-shaped board 666 and rubber layer 668, reduce the dynamics that triangle-shaped board 666 received the striking, play the effect of buffering.

Referring to fig. 1 and 7, the supporting member 7 includes circular grooves 71 formed at the bottom of the inner wall of the mounting groove of the fixing base 1 in an array manner, the openings of the circular grooves 71 are opposite to the openings of the placing grooves 51, an annular plate 72 is fixedly mounted on the inner wall of the circular grooves 71, the circular grooves 71 are located on the inner wall between the annular plate 72 and the openings of the circular grooves 71 and are also coated with a magnetic isolating layer, a connecting rod 73 is inserted into the annular plate 72, a piston plate first 74 is fixedly mounted at one end of the connecting rod 73 close to the end surface of the circular grooves 71, a magnet second 75 is fixedly mounted at the other end of the connecting rod 73, the opposite ends of the magnet second 75 and the magnet first 62 have the same polarity, so that when the magnet first 62 and the magnet second 75 approach each other, the mutual repulsion force between the magnet first 74 and the end surface of the circular grooves 71 is increased, and hydraulic oil is filled between the piston plate first 74 and the end surface of the circular grooves 71 inside the circular grooves 71. The first piston plate 74 is supported by hydraulic pressure of hydraulic oil, so that the second magnet 75 is less displaced when the first magnet 62 is subjected to smaller repulsive force, and can be moved in a short distance when the second magnet 75 is less distant from the first magnet 62 and the repulsive force is larger.

Referring to fig. 8, the guiding member 8 includes a hemispherical groove 81 formed in the inner wall of the mounting groove of the fixing base 1 in an array, a receiving groove 82 is formed in the center of the inner wall of the hemispherical groove 81 of the fixing base 1, the receiving groove 82 is divided into two parts, one half of the inner diameter of the receiving groove 82 close to the hemispherical groove 81 is smaller than the other half of the inner diameter, a hemispherical shell 83 is disposed in the hemispherical groove 81, the inner diameter of the hemispherical shell 83 is larger than the outer diameter of the hemispherical shell 83, and the hemispherical shell 83 is suspended in the hemispherical groove 81. The inner wall of the hemispherical shell 83 is connected with a ball 84 in a rolling way, 31 matched with the ball 84 are arranged on the outer wall of the coupling sleeve 3 in an array way, and the ball 84 is abutted against the inner wall of the 31 to roll. The outer wall of the hemispherical shell 83 is provided with a cushioning member 85 in an array.

Referring to fig. 9-10, the buffering component 85 includes a rotating rod 851 arranged on the outer wall of the hemispherical shell 83 in an array manner, the rotating rod 851 is connected to the outer wall of the hemispherical shell 83 in an inclined manner in a rotating manner, the other end of the rotating rod 851 is connected to the inner wall of the hemispherical groove 81 in a rotating manner, the middle part of the rotating rod 851 is connected to a plug rod 852 in a rotating manner, a gasket 853 is sleeved on the surface of the plug rod 852, one side of the gasket 853 close to the rotating rod 851 is fixedly provided with a spring second 854 sleeved on the plug rod 852, the other end of the spring second 854 is fixedly arranged on the surface of the plug rod 852, the buffering component further includes an avoiding groove 855 arranged on the inner wall of the hemispherical groove 81 and inserted into the avoiding groove 855, and the gasket 853 abuts on the inner wall of the hemispherical groove 81 and is arranged at the opening of the avoiding groove 855. When the hemispherical shell 83 is deflected, the rotating rod 851 is rotated along the connection point with the inner wall of the hemispherical groove 81, so that the spring two 854 is compressed and the hemispherical shell 83 is supported by the elasticity of the spring two 854.

Referring to fig. 8-9 and 11, a reset component 86 is rotatably connected to the center of the outer wall of the hemispherical shell 83, the reset component 86 includes a piston rod 861 rotatably connected to the center of the outer wall of the hemispherical shell 83, a piston plate 862 is fixedly mounted to the other end of the piston rod 861, a piston cylinder 863 is sleeved on the surface of the piston plate 862, hydraulic oil is filled in the piston cylinder 863, through holes 864 are formed in the circumferential surface of the piston cylinder 863 away from one end of the piston rod 861 in an array manner, and the piston cylinder 863 is located in the larger inner half of the accommodating groove 82, as shown in fig. 8, the left end surface of the cavity of the accommodating groove 82 having the larger inner diameter is sealed by the piston cylinder 863, and a gap is reserved between the inner wall of the accommodating groove 82 and the outer wall of the piston cylinder 863. Hydraulic oil can flow through the through-holes 864 in the piston cylinder 863 and the gap between the piston cylinder 863 and the receiving groove 82. The guide member 8 further comprises a helical channel 87 and an inclined channel 88, which are provided inside the holder 1. Spiral channel 87 is the heliciform and is located the outside of accomodating groove 82, slope passageway 88 and spiral channel 87 intercommunication, slope passageway 88 is the slope form, slope passageway 88 and the inside mounting groove intercommunication of fixing base 1, the opening of slope passageway 88 is located circular baffle 5's top, and towards circular baffle 5 and the seam crossing between the shaft coupling sleeve 3, through the cooling water that flows in the spiral channel 87, cool off hydraulic oil and piston cylinder 863 outer wall in the piston cylinder 863 and the hydraulic oil in the gap between the accomodating groove 82 inner wall. The water is sprayed to the joint of the circular baffle 5 and the coupling sleeve 3 through the inclined channel 88 to cool the coupling sleeve 3 and the cutter head 4 simultaneously, and in the existing cooling mode, only the surface of the cutter head 4 is sprayed with the water to cool, so that the temperature difference between the cutter head 4 and the coupling sleeve 3 is generated, and the connection strength between the coupling sleeve 3 and the cutter head 4 is influenced.

The using method of the scoring machine comprises the following specific steps:

s1, the driving shaft 2 and the cutter head 4 are connected together through the coupling sleeve 3, when the driving shaft 2 is driven to rotate by an external driving source, the cutter head 4 and an assembly body of the circular baffle 5 rotate simultaneously, the bottom end of the cutter head 4 moves on the surface of the valve while rotating, the surface of the valve is scored, and therefore a mark is marked;

s2, when the assembly of the cutter head 4 and the circular baffle 5 rotates, the assembly of the first magnet 62 and the first slider 63 moves towards the opening of the placing groove 51 under the action of centrifugal force, the larger the rotating speed of the assembly of the cutter head 4 and the circular baffle 5 is, the larger the moving distance between the first spring 61 and the first slider 63 is, and when the first magnet 62 moves towards the opening of the placing groove 51, the first spring 61 is pulled, so that the length of the first spring 61 is extended, elastic potential energy is accumulated, power is provided for resetting the first magnet 62, the first slider 63 and the first magnet 62 synchronously move, the first slider 63 moves along the inner wall of the sliding groove 52, the rotating wheel 64 abuts against the top wall and the bottom wall of the first magnet 62 to roll, and the friction force between the first slider 63 and the inner wall of the sliding groove 52 is reduced;

s3, in the process that the first magnet 62 moves towards the opening of the placing groove 51, the first magnet 62 abuts against the surface of the rubber layer 668 and pushes the assembly body of the triangular plate 666 and the rotary table 661 to deflect towards the opening of the placing groove 51 around the rotating shaft 662, the impact between the first magnet 62 and the triangular plate 666 is buffered through the arrangement of the rubber layer 668 and the notch 667, the second slider 664 slides along the arc-shaped groove 663 under the elastic action of the coil spring 665 in the rotating process of the rotary table 661, so that the resistance applied in the rotating process of the rotary table 661 is small, and after the first magnet 62 is staggered from the triangular plate 666, the triangular plate 666 drives the triangular plate 666 and the assembly body of the rotary table to reversely rotate under the action of gravity, so that the triangular plate 666 returns to the vertical state;

s4, as the distance of the first magnet 62 moving towards the opening of the placing groove 51 is increased, the distance between the first magnet 62 and the second magnet 75 is decreased, the repulsive force between the first magnet 62 and the second magnet 75 is increased, under the action of the repulsive force, the assembly body of the second magnet 75, the connecting rod 73 and the first piston plate 74 is enabled to extrude the hydraulic oil filled in the circular groove 71, the assembly body of the second magnet 75, the connecting rod 73 and the first piston plate 74 is supported through the hydraulic pressure of the hydraulic oil, when the assembly body of the cutter head 4, the circular baffle 5, the driving shaft 2 and the coupling sleeve 3 vibrates in the rotating process, the vibration is inhibited through the repulsive force between the first magnet 62 and the second magnet 75, and the amplitude of the cutter head 4 is reduced;

s5, in the rotating process of the assembly of the driving shaft 2 and the coupling sleeve 3, the balls 84 abut against and roll in the 31 formed in the surface of the coupling sleeve 3, when the assembly of the driving shaft 2 and the coupling sleeve 3 vibrates in the rotating process, oblique extrusion force is applied to the balls 84 by the coupling sleeve 3, the assembly of the hemispherical shell 83 and the balls 84 deflects, the hemispherical shell 83 presses the rotating rod 851, the rotating rod 851 rotates along one end connected with the inner wall of the hemispherical groove 81 and pushes the inserting rod 852 to slide along the inner wall of the avoiding groove 855 to the end face of the avoiding groove 855, the gasket 853 abuts against the inner wall of the hemispherical groove 81, the spring II 854 is compressed, the rotating rod 851 is supported through the elasticity of the spring II 854, and the assembly of the hemispherical shell 83 and the balls 84 is further supported;

s6, when the assembly of the hemispherical shell 83 and the balls 84 deflects, the extrusion force applied to the hemispherical shell 83 and the balls 84 pushes the assembly of the piston rod 861 and the piston plate 862 to move to the end surface of the piston cylinder 863 by a component force in the horizontal direction, so that the hydraulic oil in the piston cylinder 863 enters the gap between the piston cylinder 863 and the accommodating groove 82 through the through hole 864, the hydraulic pressure in the accommodating groove 82 increases, and a negative pressure occurs in the inner cavity between the end surface of the piston cylinder 863 close to the hemispherical groove 81 and the piston plate 862, and a horizontal force inward is applied to the piston plate 862 and the piston rod 861 by the hydraulic pressure in the accommodating groove 82 and the negative pressure in the piston cylinder 863, so as to support the assembly of the hemispherical shell 83 and the balls 84, thereby inhibiting the assembly of the driving shaft 2 and the coupling sleeve 3 from further vibrating;

s7, water is injected into the spiral channel 87 and the inclined channel 88 through an external driving source, hydraulic oil in the containing groove 82 is cooled through the water flowing in the spiral channel 87, the oil temperature of the hydraulic oil is restrained from rising under the action of pressure, water sprayed out of the opening of the inclined channel 88 is sprayed to the joint of the coupling sleeve 3 and the circular baffle 5, the cutter head 4 and the coupling sleeve 3 are cooled simultaneously, and temperature unevenness between the coupling sleeve 3 and the cutter head 4 is prevented;

s8, after the scoring of the valve is finished, the rotating speed of the assembly of the driving shaft 2, the coupling sleeve 3, the cutter head 4 and the circular baffle 5 is gradually reduced, the first magnet 62 is pulled by the elastic force of the first spring 61 to move towards the end surface of the placing groove 51, one end of the first magnet 62 close to the end surface of the placing groove 51 abuts against the surface of the rubber layer 668 and pushes the triangular plate 666 and the rotary table 661 to deflect towards the end surface of the placing groove 51, the second slider 664 abuts against the end surface of the arc-shaped groove 663 and the same vertical plane of the rotary shaft 662 during the rotation of the rotary table 661, the second slider 664 deflects synchronously with the rotary table, at the moment, the coil spring 665 is twisted to accumulate elastic potential energy, resistance is provided for the rotation of the rotary table 661 through the elasticity of the coil spring 665, so that the first magnet 62 receives larger resistance when moving towards the end surface of the placing groove 51, and the first magnet 62 is prevented from rapidly moving towards the end surface of the placing groove 51 without any obstruction, and the first spring 61 is made to extend back and forth, so that the first magnet 62 vibrates in the placing groove 51, and the assembly of the circular baffle 5 and the cutter head 4 is further driven to vibrate.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a nicking machine is used in valve processing, includes fixing base (1), its characterized in that: the vibration damping device is characterized in that a mounting groove is formed in the middle of the fixing seat (1) in a penetrating mode, a driving shaft (2) is rotatably connected to the center of the fixing seat (1), a coupling sleeve (3) is welded to the bottom of the driving shaft (2), a tool bit (4) is clamped to the bottom of the coupling sleeve (3), a circular baffle (5) is integrally formed in the middle of the tool bit (4), the circular baffle (5) abuts against the bottom end of the coupling sleeve (3), vibration damping parts (6) are arranged in the circular baffle (5) in an array mode, supporting parts (7) corresponding to the vibration damping parts (6) are arranged on the portion, close to the bottom, of the mounting groove of the fixing seat (1), and guide parts (8) are arranged on the inner wall of the middle of the mounting groove of the fixing seat (1) in an array mode;

the circular baffle plate is characterized in that placing grooves (51) are formed in the circumferential surface of the circular baffle plate (5) in an array mode, sliding grooves (52) are formed in the circular baffle plate (5) and located on two side walls of the placing grooves (51), and semicircular grooves (53) are formed in the circular baffle plate (5) and located on the top wall and the bottom wall of the placing grooves (51) in an array mode;

the vibration suppression device comprises a vibration suppression component (6), wherein a first spring (61) is fixedly arranged on the end face of a placing groove (51), a first magnet (62) is fixedly arranged at the other end of the first spring (61), first sliding blocks (63) are fixedly arranged on two sides of the first magnet (62), the first sliding blocks (63) are connected in a sliding groove (52) in a sliding mode, rotating wheels (64) are connected to the top and the bottom of the first sliding blocks (63) in an array rotating mode, a rubber pad (65) is fixedly arranged on one side, away from the end face of the placing groove (51), of the first sliding blocks (63), and a blocking component (66) is connected in the semicircular groove (53) in a rotating mode;

the blocking component (66) comprises a rotary table (661), the center of the rotary table (661) is rotationally connected with a rotating shaft (662), the rotating shaft (662) penetrates through the rotating disc (661) and extends to two sides of the rotating disc (661), the rotary table (661) is rotatably connected to the inner walls of the two sides of the semicircular groove (53) through a rotary shaft (662), an arc-shaped groove (663) is formed in the surface of the rotating disc (661), a second sliding block (664) is connected in the arc-shaped groove (663) in a sliding manner, a coil spring (665) is fixedly arranged on the surface of the rotating shaft (662), the other end of the coil spring (665) is fixedly arranged with a second sliding block (664), a triangular plate (666) is fixedly arranged on the circumferential surface of the turntable (661) and on one side far away from the semicircular groove (53), the both sides of triangle-shaped board (666) all are seted up jaggedly (667), the surface cladding of triangle-shaped board (666) has rubber layer (668).

2. The scoring machine for machining the valve as claimed in claim 1, wherein: when the first magnet (62) moves back and forth along the placing groove (51), the upper side and the lower side of the end part of the first magnet (62) are abutted against the surface of the rubber layer (668) and are positioned at the opening of the notch (667).

3. The scoring machine for machining the valve as recited in claim 1, wherein: one end face of the arc-shaped groove (663) and the rotating shaft (662) are on the same vertical plane, the other end face of the arc-shaped groove (663) is located on one side, close to the end face of the placing groove (51), of the rotating shaft (662), and the second sliding block (664) is abutted to the end faces, on the same vertical plane, of the arc-shaped groove (663) and the sliding block (622) in a normal state.

4. The scoring machine for machining the valve as recited in claim 1, wherein: the inside of supporting part (7) is including circular recess (71) that the array was seted up in the mounting groove inner wall bottom of fixing base (1), the opening of circular recess (71) is relative with the opening of standing groove (51), fixed mounting has annular slab (72) on the inner wall of circular recess (71), it has connecting rod (73) to peg graft in annular slab (72), one end fixed mounting that connecting rod (73) are close to circular recess (71) terminal surface has piston plate one (74), the other end fixed mounting of connecting rod (73) has magnet two (75), magnet two (75) and magnet one (62) relative one end polarity are the same, inside and the piston plate one (74) and the circular recess (71) terminal surface that are located of circular recess (71) are filled with hydraulic oil between.

5. The scoring machine for machining the valve as claimed in claim 1, wherein: the guide component (8) comprises hemispherical grooves (81) which are arranged on the inner wall of the mounting groove of the fixed seat (1) in an array way, a containing groove (82) is arranged at the center of the fixed seat (1) and positioned on the inner wall of the semi-spherical groove (81), the accommodating groove (82) is divided into two parts, the inner diameter of one half of the accommodating groove (82) close to the semi-spherical groove (81) is smaller than that of the other half, a semi-spherical shell (83) is arranged in the semi-spherical groove (81), the inner wall of the semi-spherical shell (83) is connected with a ball (84) in a rolling way, the outer wall of the hemispherical shell (83) is provided with buffer parts (85) in an array manner, the center of the outer wall of the semi-spherical shell (83) is rotationally connected with a reset component (86), the guide component (8) further comprises a spiral channel (87) and an inclined channel (88) which are arranged inside the fixed seat (1).

6. The scoring machine for machining the valve as claimed in claim 5, wherein: the outer wall of the coupling sleeve (3) is provided with balls (31) matched with the balls (84) in an array mode, and the balls (84) are abutted to the inner wall of the balls (31) to roll.

7. The scoring machine for machining the valve as claimed in claim 5, wherein: the buffer component (85) comprises rotating rods (851) arranged on the outer wall of the hemispherical shell (83) in an array manner, the rotating rod (851) is connected on the outer wall of the semi-spherical shell (83) in a rotating way in an inclined way, the other end of the rotating rod (851) is rotatably connected on the inner wall of the semi-spherical groove (81), the middle part of the rotating rod (851) is rotatably connected with an inserted rod (852), the surface of the inserted rod (852) is sleeved with a gasket (853), one side of the gasket (853) close to the rotating rod (851) is fixedly provided with a second spring (854) sleeved on the inserted link (852), the other end of the second spring (854) is fixedly arranged on the surface of the inserted link (852), and the second spring also comprises an avoidance groove (855) which is arranged on the fixed seat (1) and is positioned on the inner wall of the hemispherical groove (81), inserted bar (852) are pegged graft and are being dodged the interior slip of groove (855), gasket (853) butt is at hemisphere groove (81) inner wall and be located the opening part of dodging groove (855).

8. The scoring machine for machining the valve as claimed in claim 5, wherein: reset unit (86) are including rotating piston rod (861) of connecting in hemisphere shell (83) outer wall center department, the other end fixed mounting of piston rod (861) has piston board two (862), piston cylinder (863) have been cup jointed on the surface of piston board two (862), the inside packing of piston cylinder (863) has hydraulic oil, through-hole (864) have been seted up to the array on piston cylinder (863) keep away from the periphery of piston rod (861) one end, piston cylinder (863) are located and accomodate the great half of groove (82) internal diameter, it has the space to reserve between groove (82) inner wall and piston cylinder (863) outer wall to accomodate.

9. The scoring machine for machining the valve as claimed in claim 5, wherein: spiral channel (87) are that the heliciform is located the outside of accomodating groove (82), slope passageway (88) and spiral channel (87) intercommunication, slope passageway (88) are the slope form, slope passageway (88) and the inside mounting groove intercommunication of fixing base (1), the opening of slope passageway (88) is located the top of circular baffle (5), and towards the seam crossing between circular baffle (5) and shaft sleeve (3).

10. The scoring machine for valve processing as claimed in claim 1, wherein the usage of the scoring machine comprises the following steps:

s1, the driving shaft (2) and the cutter head (4) are connected together through the coupling sleeve (3), when the driving shaft (2) is driven to rotate by an external driving source, the cutter head (4) and an assembly body of the circular baffle (5) rotate simultaneously, the bottom end of the cutter head (4) rotates and moves on the surface of the valve, the surface of the valve is scored, and therefore a mark is marked;

s2, when the assembly of the cutter head (4) and the circular baffle (5) rotates, the assembly of the magnet I (62) and the slide block I (63) moves to the opening of the placing groove (51) under the action of centrifugal force, and when the rotating speed of the cutter head (4) and the circular baffle (5) assembly body is larger, the moving distance between the spring I (61) and the slide block I (63) is larger, and the magnet I (62) moves towards the opening of the placing groove (51), pulling the first spring (61), extending the length of the first spring (61), accumulating elastic potential energy, and providing power for resetting the first magnet (62), wherein the first slider (63) and the first magnet (62) move synchronously, the first slider (63) moves along the inner wall of the sliding chute (52), the rotating wheel (64) rolls in contact with the top wall and the bottom wall of the first magnet (62), and the friction force between the first slider (63) and the inner wall of the sliding chute (52) is reduced;

s3, the magnet (62) is abutted against the surface of the rubber layer (668) in the process of moving towards the opening of the placing groove (51), and pushes the assembly body of the triangular plate (666) and the rotating disc (661) to deflect towards the opening of the placing groove (51) around the rotating shaft (662), through the arrangement of the rubber layer (668) and the notch (667), the impact between the first magnet (62) and the triangular plate (666) is buffered, and the rotating disc (661) rotates, the second sliding block (664) slides along the arc-shaped groove (663) under the elastic action of the coil spring (665), so that the resistance applied to the rotating disc (661) in the rotating process is small, when the first magnet (62) and the triangular plate (666) are staggered, the triangular plate (666) drives an assembly body of the triangular plate (666) and the turntable (661) to reversely rotate under the action of gravity, so that the triangular plate (666) is restored to a vertical state;

s4, as the moving distance of the first magnet (62) to the opening of the placing groove (51) is increased, the distance between the first magnet (62) and the second magnet (75) is decreased, the repulsive force between the first magnet (62) and the second magnet (75) is increased, under the action of the repulsive force, the second magnet (75), the connecting rod (73) and the assembly body of the first piston plate (74) are enabled to extrude hydraulic oil filled in the circular groove (71), the second magnet (75), the connecting rod (73) and the assembly body of the first piston plate (74) are supported through the hydraulic pressure of the hydraulic oil, when the cutter head (4), the circular baffle (5), the driving shaft (2) and the assembly body of the coupling sleeve (3) vibrate in the rotating process, the vibration is inhibited through the repulsive force between the first magnet (62) and the second magnet (75), and the amplitude of the cutter head (4) is reduced;

s5, when the assembly of the driving shaft (2) and the coupling sleeve (3) rotates, the balls (84) abut against and roll in the grooves (31) formed in the surface of the coupling sleeve (3), when the assembly of the driving shaft (2) and the coupling sleeve (3) vibrates in the rotating process, oblique extrusion force is applied to the balls (84) by the coupling sleeve (3), the assembly of the hemispherical shell (83) and the balls (84) deflects, the hemispherical shell (83) extrudes the rotating rod (851), the rotating rod (851) rotates along one end connected with the inner wall of the hemispherical groove (81), the inserting rod (852) is pushed to slide to the end face of the avoiding groove (855) along the inner wall of the avoiding groove (855), the gasket (853) abuts against the inner wall of the hemispherical groove (81), the second spring (854) is compressed, and the rotating rod (851) is supported by the elasticity of the second spring (854), thereby supporting an assembly of the hemispherical shell (83) and the balls (84);

s6, when the assembly of the hemispherical shell (83) and the ball (84) deflects, the extrusion force applied to the hemispherical shell (83) and the ball (84) pushes the assembly of the piston rod (861) and the second piston plate (862) to move towards the end surface of the piston cylinder (863) under the horizontal component force, so that the hydraulic oil in the piston cylinder (863) enters the gap between the piston cylinder (863) and the accommodating groove (82) through the through hole (864), the hydraulic pressure in the accommodating groove (82) is increased, the negative pressure occurs in the inner cavity between the end surface of the piston cylinder (863) close to one side of the hemispherical groove (81) and the second piston plate (862), and the horizontal force to the inner side is applied to the second piston plate (862) and the piston rod (861) through the hydraulic pressure in the accommodating groove (82) and the negative pressure in the piston cylinder (863), so as to support the assembly of the hemispherical shell (83) and the ball (84), thereby inhibiting the continuous vibration of the assembly body of the driving shaft (2) and the coupling sleeve (3);

s7, water is injected into the spiral channel (87) and the inclined channel (88) through an external driving source, the hydraulic oil in the containing groove (82) is cooled through the water flowing in the spiral channel (87), the oil temperature of the hydraulic oil is restrained from rising under the action of pressure, the water sprayed out of the opening of the inclined channel (88) is sprayed to the joint of the coupling sleeve (3) and the circular baffle (5), the cutter head (4) and the coupling sleeve (3) are cooled simultaneously, and the temperature unevenness between the coupling sleeve (3) and the cutter head (4) is prevented;

s8, after scoring of the valve is finished, the rotating speed of an assembly of the driving shaft (2), the coupling sleeve (3), the cutter head (4) and the circular baffle (5) is gradually reduced, the first magnet (62) is pulled by the elastic force of the first spring (61) to move towards the end face of the placing groove (51), one end, close to the end face of the placing groove (51), of the first magnet (62) abuts against the surface of the rubber layer (668), the triangular plate (666) and the rotary disc (661) are pushed to deflect towards the end face direction of the placing groove (51), the second slider (664) abuts against the end face of the arc-shaped groove (663) and the end face of the rotating shaft (662) in the rotating process of the rotary disc (661), the second slider (664) and the rotary disc (661) deflect synchronously, at the moment, the coil spring (665) is twisted to accumulate elastic potential energy, so that resistance is provided for the rotation of the rotary disc (661) through the elasticity of the coil spring (665), and the first magnet (62) receives large resistance when moving towards the end face of the placing groove (51), therefore, the first magnet (62) is prevented from rapidly moving towards the end face of the placing groove (51) under the condition of no obstruction, the first spring (61) is made to stretch back and forth, the first magnet (62) is made to vibrate in the placing groove (51), and the assembly body of the circular baffle (5) and the cutter head (4) is further driven to vibrate.

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