CN113458470B

CN113458470B - Multi-edge milling cutter suitable for processing light materials

Info

Publication number: CN113458470B
Application number: CN202110848091.4A
Authority: CN
Inventors: 李日新
Original assignee: Changzhou Fenglit Tool Co ltd
Current assignee: Changzhou Fenglit Tool Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-12-06
Anticipated expiration: 2041-07-27
Also published as: CN113458470A

Abstract

The invention discloses a multi-edge milling cutter suitable for machining light materials, and relates to the technical field of hardware machining. This multiple-cutting-edge milling cutter suitable for light material processing, including the cutter holder, the joint has the bottom of tool bit in the cutter holder, and has seted up the process chamber in the cutter holder, is provided with deoiling mechanism between tool bit and the process chamber, and is provided with the array emission mechanism that the vertical equidistance of axis distributes along the cutter holder on the inside wall of process chamber, and the several uses the cutter holder axis to be the equidistance as the centre of a circle and encircles the emission mechanism that the form distributes and be a set of, deoiling mechanism includes that copper sleeve pipe, ball, section are sectorial first sponge, shrinkage pool. This multi-edge milling cutter suitable for light material processing through the setting of cleaning reinforcing mechanism in the deoiling mechanism, can be in deoiling mechanism course of work synchronous operation, and the temperature that is the direct ratio increase and brings based on milling cutter tool bit temperature and working duration promotes for clean reinforcing mechanism effectively enlarges the clean scope on deoiling mechanism tool bit surface.

Description

Multi-blade milling cutter suitable for processing light materials

Technical Field

The invention relates to the technical field of hardware processing, in particular to a multi-edge milling cutter suitable for processing light materials.

Background

The milling cutter used in the machining center mostly adopts a spring jacket clamping mode and is in a cantilever shape when in use. During the milling process, it may sometimes happen that the milling cutter extends out of the tool holder gradually and completely falls off, so that the workpiece is discarded due to insufficient clamping force caused by an oil film between the inner hole of the tool holder and the outer diameter of the milling cutter shank. The milling cutter generally scribbles the antirust oil when leaving the factory, uses water-insoluble cutting oil during if the cutting, and the vaporific oil film of one deck also can be adhered to the cutter holder hole, when all having the oil film on handle of a knife and the cutter holder, the cutter holder is difficult firmly to be pressed from both sides tight handle of a knife, and milling cutter just causes not hard uply and drops in processing. The hardness of the light workpiece is relatively low, and the workpiece can be completely damaged or even the whole machine tool can be affected if the light workpiece is subjected to the condition that a milling cutter falls off in the cutting process.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the multi-edge milling cutter suitable for processing the light material, which can effectively remove an oil film formed in the working process of the milling cutter, thereby protecting the safety of the light workpiece in the milling process.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a multiple-cutting-edge milling cutter suitable for light material processing, includes the cutter holder, the joint has the bottom of tool bit in the cutter holder, and has seted up the treatment chamber in the cutter holder, is provided with deoiling mechanism between tool bit and the treatment chamber, and is provided with the array discharge mechanism who distributes along the vertical equidistance of axis of cutter holder on the inside wall of treatment chamber, and the several uses the cutter holder axis to be the equidistance around the discharge mechanism who describes the distribution as a set of as the centre of a circle.

Preferably, the oil removing mechanism comprises a copper sleeve, balls, first sponge with a fan-shaped section, a concave hole, a semi-balloon, a flexible arc-shaped sheet, an extrusion rod and a rubber bulge, the copper sleeve is positioned in the treatment cavity, the bottom end of the cutter head penetrates through the copper sleeve, a plurality of balls distributed in an equidistant surrounding manner are embedded on the upper side and the lower side of the inner wall of the treatment cavity, the upper side and the lower side of the copper sleeve are connected with the balls in a sliding manner, annular grooves matched with the balls are formed in the upper side and the lower side of the copper sleeve, a plurality of groups of first sponges are distributed on the inner wall of the copper sleeve along the longitudinal axis of the copper sleeve at equal intervals, a plurality of first sponges embedded on the inner wall of the copper sleeve in an equidistant surrounding manner form are in a group, and the left side and the right side of each first sponge penetrate through the inner side and the outer side of the copper sleeve respectively, shrinkage pool has all been seted up with copper bushing's part in both sides about first sponge, all be provided with half sacculus in two recesses, and the mutually opposite side of two half sacculus all with copper sleeve pipe fixed connection, all be provided with flexible arc piece in two recesses, and one side and copper sleeve pipe fixed connection of flexible arc piece, hemisphere bag and flexible arc piece contact, and flexible arc piece is the laminating of one side of half sacculus mutually and the inner wall of shrinkage pool, two extrusion stems of one side fixedly connected with of flexible arc piece half sacculus mutually back, and two extrusion stems all inlay and adorn in first sponge, one side fixedly connected with several of the relative copper sleeve axis of first sponge is the rubber arch of equidistance array form distribution.

Preferably, the axis of the copper sleeve and the axis of the cutter head are coincident with each other, and a distance between the inner wall of the copper sleeve and the side surface of the cutter head is one millimeter.

Preferably, the discharging mechanism comprises a second sponge, a communication port, a flexible film, a heat-conducting copper sleeve, a wiping reinforcing mechanism, a V-shaped channel, two expansion rods, two fixing plates and an extrusion bag, wherein the middle part of the flexible film is provided with a through hole, the flexible film, the heat-conducting copper sleeve, the wiping reinforcing mechanism, the V-shaped channel, the expansion rods and the extrusion bag are sequentially arranged from top to bottom, one side of the second sponge is attached to one side of a first sponge tool bit in a back-to-back manner, the communication port is arranged on the inner side wall of the treatment cavity and penetrates through the side surface of the tool holder, the outer edge of the flexible film is bonded with the inner wall of the communication port, the two ends of the heat-conducting copper sleeve are fixedly connected with the inner side wall of the treatment cavity and the wiping reinforcing mechanism respectively, the V-shaped channel is arranged in the second sponge, the upper side and the lower side of the V-shaped channel are respectively penetrated through the upper side and the lower side of the second sponge, the two expansion rods are respectively arranged, one ends of the two expansion rods in back-to the V-shaped channel are respectively and fixedly connected with the upper side and the lower side of the inner wall of the through hole respectively.

Preferably, the axis of the heat-conducting copper sleeve and the axis of the second sponge coincide with each other, and the axis of the second sponge and the axis of the flexible film coincide with each other.

Preferably, the wiping reinforcement mechanism comprises a T-shaped pipe, a reset spring, a counterweight ball, a connecting rod, two curved rods, copper rings, a flexible extrusion block and a friction bag, the T-shaped pipe is embedded in a second sponge, one end of the reset spring is fixedly connected to the inner right wall of the T-shaped pipe, the other end of the reset spring is fixedly connected with the counterweight ball, the counterweight ball is slidably connected into the T-shaped pipe, one end of the connecting rod is fixedly connected to one side, opposite to the counterweight ball, of the counterweight ball, the two curved rods are hinged to one end, far away from the counterweight ball, of the connecting rod, the copper rings are fixedly connected to one side, far away from a communication port, of a heat conduction copper sleeve, the flexible extrusion blocks are embedded in the upper side and the lower side of the left side of the copper rings, one end, far away from the connecting rod, of the curved rods extends out of the T-shaped pipe and is inserted into the flexible extrusion blocks, the two friction bags are embedded in the upper side and the lower side of the right side of the copper rings, and one side of the curved rods, which is opposite to the friction bag, and the friction bag is fixedly connected with the flexible extrusion blocks.

The invention provides a multi-edge milling cutter suitable for machining light materials. The method has the following beneficial effects:

(1) This multi-blade milling cutter suitable for light material processing can last to clean the coupling part of tool bit and cutter holder through deoiling mechanism in milling cutter working process to reach the inside rust-resistant oil cleaning effect of milling cutter in the working process, prevent to lead to influencing the problem appearance of normal processing owing to not clearing up the inside rust-resistant oil of milling cutter before the use, also can clear up the cutting oil that contacts with milling cutter in the course of working simultaneously, and then the normal work of fully ensured milling cutter.

(2) This multiple-cutting-edge milling cutter suitable for light material processing through the setting of cleaning strengthening mechanism in the deoiling mechanism, can be in the synchronous operation of deoiling mechanism working process, and be the temperature promotion that the direct ratio increased and brought based on milling cutter tool bit temperature and operating duration for clean strengthening mechanism and effectively enlarge deoiling mechanism to the clean scope on tool bit surface, further improve the clean effect to the oil film of tool bit and cutter holder coupling part.

(3) This multiple-cutting-edge milling cutter suitable for light material processing, utilize and wipe strengthening mechanism and intervene deoiling mechanism and to the oil film cleaning work of tool bit and cutter holder coupling part, milling cutter operating condition can effectively be correlated with, because the existence of oil film can lead to tool bit centrifugal force to increase when the milling cutter rotational speed is very fast and change the roll-off in following the cutter holder, wipe strengthening mechanism and to the cleaning effect of tool bit surface oil film along with the synchronous promotion of milling cutter rotational speed, thereby fully prevent that the tool bit from droing in the cutter holder and causing the condition of damage to work piece and lathe.

(4) This multiple-cutting-edge milling cutter suitable for light material processing based on the setting of discharge mechanism, can effectively collect the oil film part of clearing up via deoiling mechanism, can prevent simultaneously that it from flowing back to milling cutter in, reach the effective collection effect to the oil film between tool bit and the cutter holder coupling part, and is further, can effectively utilize the structure friction that centrifugal force produced to form the heat in following the milling cutter working process, improve the collection effect to the oil film.

(5) This be applicable to multiple-cutting-edge milling cutter of light material processing, discharge mechanism promotes along with milling cutter working process temperature gradually, rise to the certain extent when the temperature inside can with the outside air intercommunication of milling cutter of discharge mechanism, thereby cooperation temperature promotes volatilizees the partial oil film of collection, can throw away partial oil film from discharge mechanism based on centrifugal force under the condition of the certain rotational speed of milling cutter, and then effectively reduce the oil film storage capacity in the discharge mechanism, thereby improve the continuous collection treatment effect to the oil film that produces in the milling cutter working process.

Drawings

FIG. 1 is a schematic view of a milling cutter according to the present invention;

FIG. 2 is a right sectional view of the milling cutter structure of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is an enlarged view of the structure at B in FIG. 3 according to the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 3 at C according to the present invention;

fig. 6 is an enlarged view of the structure at D in fig. 3 according to the present invention.

In the figure: 1 cutter holder, 2 cutter heads, 3 oil removing mechanism, 4 discharging mechanism, 31 copper sleeve, 32 balls, 33 first sponge, 34 concave hole, 35 half balloon, 36 flexible arc sheet, 37 extruding rod, 38 rubber bulge, 41 second sponge, 42 communicating port, 43 flexible film, 44 heat conducting copper sleeve, 45 wiping strengthening mechanism, 46V-shaped channel, 47 expanding rod, 48 fixing sheet, 49 extruding bag, 451T-shaped pipe, 452 return spring, 453 counterweight ball, 454 connecting rod, 455 curved rod, copper 456 ring, 457 flexible extruding block and 458 friction bag.

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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a multiple-cutting-edge milling cutter suitable for light material processing, includes cutter holder 1, and the joint has the bottom of tool bit 2 in the cutter holder 1, and has seted up the treatment chamber in the cutter holder 1, is provided with deoiling mechanism 3 between tool bit 2 and the treatment chamber, and is provided with the array arrangement mechanism 4 that distributes along the vertical equidistance of axis of cutter holder 1 on the inside wall of treatment chamber, and the several uses the cutter holder 1 axis to be the equidistance and encircles the arrangement mechanism 4 that the form distributes as a set ofly as the centre of a circle.

The oil removing mechanism 3 comprises a copper sleeve 31, a ball 32, a first sponge 33 with a sector section, a concave hole 34, a hemispherical bag 35, a flexible arc sheet 36, an extrusion rod 37 and a rubber bulge 38, wherein the copper sleeve 31 is positioned in the treatment cavity, the bottom end of the cutter head 2 passes through a copper sleeve 31, a plurality of balls 32 which are distributed in an equidistant surrounding manner are embedded on the upper side and the lower side of the inner wall of the treatment cavity, the upper side and the lower side of the copper sleeve 31 are connected with the balls 32 in a sliding manner, and the upper and lower sides of the copper sleeve 31 are provided with annular grooves adapted to the balls 32, a plurality of sets of first sponges 33 are longitudinally and equidistantly distributed on the inner wall of the copper sleeve 31 along the axis thereof, and a plurality of first sponges 33 which are embedded on the inner wall of the copper sleeve 31 in an equidistant surrounding manner form a group, the left and right sides of the first sponges 33 respectively penetrate through the inner side and the outer side of the copper sleeve 31, concave holes 34 are respectively arranged on the parts of the upper side and the lower side of the first sponges 33 connected with the copper sleeve 31, half balloons 35 are respectively arranged in the two concave holes 34, and the opposite sides of the two half balloons 35 are fixedly connected with the copper sleeve 31, flexible arc-shaped sheets 36 are arranged in the two concave holes 34, one side of the flexible arc-shaped sheet 36 is fixedly connected with the copper sleeve 31, the hemispherical sac 35 is contacted with the flexible arc-shaped sheet 36, one side of the flexible arc sheet 36, which is back to the half balloon 35, is attached to the inner wall of the concave hole 34, one side of the flexible arc sheet 36, which is back to the half balloon 35, is fixedly connected with two extrusion rods 37, and two squeezing rods 37 are all embedded in the first sponge 33, one side of the first sponge 33 opposite to the axis of the copper sleeve 31 is fixedly connected with a plurality of rubber bulges 38 which are distributed in an equidistant array, the axis of the copper sleeve 31 and the axis of the cutter head 2 are superposed, and a distance between the inner wall of the copper sleeve 31 and the side surface of the cutter head 2 is one millimeter.

The discharge mechanism 4 comprises a second sponge 41, a communication port 42, a flexible film 43 with a through hole formed in the middle, a heat-conducting copper sleeve 44, a wiping reinforcing mechanism 45, a V-shaped channel 46, an expansion rod 47, a fixing sheet 48 and a squeezing bag 49, one side of the second sponge 41 is attached to one side of the first sponge 33, which is opposite to the cutting head 2, the communication port 42 is formed in the inner side wall of the processing cavity and penetrates through the side surface of the tool holder 1, the outer edge of the flexible film 43 is bonded to the inner wall of the communication port 42, two ends of the heat-conducting copper sleeve 44 are fixedly connected to the inner side wall of the processing cavity and the wiping reinforcing mechanism 45 respectively, the V-shaped channel 46 is formed in the second sponge 41, the upper side and the lower side of the V-shaped channel 46 penetrate through the upper side and the lower side of the second sponge 41 respectively, the number of the fixing sheets 48 is two, one ends, which are opposite to each other side, of the two expansion rods 47 are hinged to the upper side and the lower side of the inner wall of the heat-conducting copper sleeve 44 respectively, the opposite to the upper side and lower side of the expansion rod 47, the inner wall of the heat-conducting copper sleeve 41 are connected to the axis of the squeezing bag 49, the expansion rod 47, the two fixing sheets 48, and the axis of the two expansion rod fixing sheets are connected to the inner side of the second sponge 41, and the squeezing bag 49.

The wiping enhancing mechanism 45 comprises a T-shaped pipe 451, a return spring 452, a counterweight ball 453, a connecting rod 454, curved rods 455, a copper ring 456, a flexible squeezing block 457 and friction bags 458, wherein the T-shaped pipe 451 is embedded in the second sponge 41, one end of the return spring 452 is fixedly connected to the inner right wall of the T-shaped pipe 451, the other end of the return spring 452 is fixedly connected with the counterweight ball 453, the counterweight ball 453 is slidably connected in the T-shaped pipe 451, one end of the connecting rod 454 is fixedly connected to one side, opposite to the return spring 452, of the counterweight ball 453, the curved rods 455 are two in number, opposite ends of the two curved rods 455 are hinged to one end, far from the counterweight ball 453, of the connecting rod 454, the copper ring 456 is fixedly connected to one side, far from the communication port 42, the upper side and the lower side, far from the connecting rod 456, of the copper rod 455 are embedded with the flexible squeezing block 457, one end, far from the connecting rod 455, of the flexible squeezing block 457 extends out from the connecting rod 454 through the T-shaped pipe 451, the two friction bags 458 are fixedly inserted into the upper side and the lower side, on the right side of the copper ring 456 is respectively inserted into the squeezing block 458, and one side of the flexible squeezing block 458 is connected with the flexible squeezing block 457.

When the tool bit 2 is used, the tool bit 2 is connected with a machine tool after being clamped with the tool holder 1 and rotates to mill, the tool holder 1 drives the ball 32 to continuously rotate and rub the copper sleeve 31 in the rotating process, the temperature of the copper sleeve 31 is improved based on frictional heat, meanwhile, the heat is transferred to the hemispherical bag 35 in a contact mode and expands, the hemispherical bag 35 pushes the flexible arc-shaped sheet 36 and extrudes the first sponge 33 in the expanding process, so that the first sponge 33 extends out of the copper sleeve 31 and contacts with the tool bit 2, the tool bit 2 continuously rubs with the first sponge 33 in the rotating process, the cleaning effect on an oil film on the surface of the tool bit 2 is achieved through the first sponge 33, meanwhile, the first sponge 33 is further extruded through the extrusion rod 37 in the process that the flexible arc-shaped sheet 36 extrudes the first sponge 33, the surface of the first sponge 33 protrudes outwards and is matched with the rubber bulge 38 to enhance the friction effect and the contact area between the tool bit 2, thereby improving the cleaning effect on the oil film on the surface of the tool bit 2, the oil body is absorbed by the first sponge 33 and then is transferred into the second sponge 41 by a contact mode and matching with a centrifugal force, the friction bag 458 continuously rubs with the copper sleeve 31 in the rotation process of the tool holder 1 and transfers heat to the heat-conducting copper sleeve 44 by the copper ring 456, the heat-conducting copper sleeve 44 transfers partial heat to the extrusion bag 49 by a heat radiation mode, so that the expansion rod 47 is pushed to rotate based on the limit effect of the fixing plate 48 after the extrusion bag 49 is heated, the through hole in the flexible film 43 is enlarged in the rotation process of the expansion rod 47, the V-shaped channel 46 is communicated with the outside air of the communication port 42, the oil body in the second sponge 41 is thrown out by the communication port 42 based on the centrifugal force in the rotation process of the tool holder 1, and the oil body in the second sponge 41 is promoted to volatilize to the outside by the communication port 42 based on the heat of the heat-conducting copper sleeve 44, during the rotation of the tool holder 1, the counterweight ball 453 is driven to slide in the T-shaped pipe 451 based on centrifugal force and stretches the return spring 452, the counterweight ball 453 drives the connecting rod 454 to move in the moving process and enables the curved rod 455 to move towards the copper ring 456 and extrude the flexible extrusion block 457, the flexible extrusion block 457 extrudes the friction bag 458 to increase the contact area of the friction bag and the copper sleeve 31, the friction effect between the friction bag and the copper sleeve 31 is improved, and the temperature rise is promoted.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. A multiple-edge milling cutter suitable for the machining of light materials, comprising a tool holder (1), characterized in that: the bottom end of the tool bit (2) is connected in the tool holder (1) in a clamping manner, a treatment cavity is formed in the tool holder (1), an oil removing mechanism (3) is arranged between the tool bit (2) and the treatment cavity, a plurality of groups of arrangement mechanisms (4) which are longitudinally distributed at equal intervals along the axis of the tool holder (1) are arranged on the inner side wall of the treatment cavity, and a plurality of arrangement mechanisms (4) which are distributed in an equidistant surrounding manner by taking the axis of the tool holder (1) as the center of a circle form a group;

the deoiling mechanism (3) includes copper sleeve pipe (31), ball (32), the section is sectorial first sponge (33), shrinkage pool (34), hemisphere bag (35), flexible arc piece (36), squeeze bar (37) and rubber bulge (38), copper sleeve pipe (31) are located the treatment chamber, and copper sleeve pipe (31) is passed to the bottom of tool bit (2), ball (32) that the several is the equidistance and encircles the form and distribute are all inlayed to the upper and lower both sides of treatment chamber inner wall, the upper and lower both sides of copper sleeve pipe (31) all with ball (32) sliding connection, and the upper and lower both sides of copper sleeve pipe (31) all offer the ring channel with ball (32) looks adaptation, the vertical equidistance of axis of first sponge (33) of array distributes at its inner wall along copper sleeve pipe (31), and the several encircles the form and inlays first sponge (33) of form at copper sleeve pipe (31) inner wall and be a set of first sponge (33) and be the inside and outside both sides of copper sleeve pipe (31) respectively, first sponge (33) and outside both sides are connected with copper sleeve pipe (31) about the arc piece, two fixed shrinkage pool bag (34) are all connected, two copper sleeve pipe (34) are provided with copper sleeve pipe (35), two flexible arc piece (35) and half sacculus (35) are all connected, and one side of flexible arc piece (36) and copper sleeve pipe (31) fixed connection, hemisphere bag (35) and flexible arc piece (36) contact, and flexible arc piece (36) carry on the back one side of half sacculus (35) and the inner wall laminating of shrinkage pool (34), flexible arc piece (36) carry on the back one side of half sacculus (35) two extrusion stems (37) of fixedly connected with, and two extrusion stems (37) all inlay and adorn in first sponge (33), one side fixedly connected with several of first sponge (33) relative copper sleeve pipe (31) axis is rubber arch (38) that the equidistance array form distributes.

2. A multi-edge milling cutter suitable for use in light material machining according to claim 1, wherein: the axis of the copper sleeve (31) and the axis of the cutter head (2) are overlapped, and a millimeter is arranged between the inner wall of the copper sleeve (31) and the side surface of the cutter head (2).

3. A multi-edge milling cutter adapted for light material machining according to claim 1, wherein: the discharging mechanism (4) comprises a second sponge (41), a communicating port (42), a flexible film (43) with a through hole in the middle, a heat-conducting copper sleeve (44), a wiping reinforcing mechanism (45), a V-shaped channel (46), an expansion rod (47), a fixing sheet (48) and an extrusion bag (49), one side of the second sponge (41) is attached to one side of the first sponge (33) opposite to the tool bit (2), the communicating port (42) is arranged on the inner side wall of the processing cavity and penetrates through the side surface of the tool holder (1), the outer edge of the flexible film (43) is adhered to the inner wall of the communicating port (42), and two ends of the heat-conducting copper sleeve (44) are fixedly connected with the inner side wall of the processing cavity and the wiping reinforcing mechanism (45) respectively, the V-shaped channel (46) is arranged in the second sponge (41), the upper side and the lower side of the V-shaped channel (46) respectively penetrate through the upper side and the lower side of the second sponge (41), the number of the expansion rods (47) is two, the back ends of the two expansion rods (47) are respectively hinged on the upper side and the lower side of the inner wall of the heat-conducting copper sleeve (44), the opposite ends of the two expansion rods (47) respectively extend into the V-shaped channel (46) and are respectively bonded with the upper side and the lower side of the inner wall of the through hole, the number of the fixing pieces (48) is two, and the back sides of the two fixing pieces (48) are respectively fixedly connected on the upper side and the lower side of the inner wall of the heat-conducting copper sleeve (44), the two fixing plates (48) extend into the V-shaped channel (46), one sides of the fixing plates (48) opposite to the expanding rod (47) are fixedly connected with squeezing bags (49), and the other sides of the squeezing bags (49) are fixedly connected with the expanding rod (47).

4. A multi-edge milling cutter suitable for use in light material machining according to claim 3, wherein: the axis of the heat-conducting copper sleeve (44) is overlapped with the axis of the second sponge (41), and the axis of the second sponge (41) is overlapped with the axis of the flexible film (43).

5. A multi-edge milling cutter suitable for use in light material machining according to claim 3, wherein: the wiping reinforcing mechanism (45) comprises a T-shaped pipe (451), a return spring (452), a counterweight ball (453), a connecting rod (454), a curved rod (455), a copper ring (456), a flexible extrusion block (457) and a friction bag (458), wherein the T-shaped pipe (451) is embedded in a second sponge (41), one end of the return spring (452) is fixedly connected to the inner right wall of the T-shaped pipe (451), the other end of the return spring (452) is fixedly connected with the counterweight ball (453), the counterweight ball (453) is connected in the T-shaped pipe (451) in a sliding mode, one end of the connecting rod (454) is fixedly connected to one side, opposite to the return spring (452), of the counterweight ball (453), the two opposite ends of the two curved rods (455) are hinged to one end, far away from the counterweight ball (453), of the connecting rod (454), the copper ring (456) is fixedly connected to one side, far away from the communication port (42), of the heat conduction sleeve (44), the upper side and the lower side of the left side of the copper ring (456) are respectively embedded with the flexible extrusion blocks (457), one end of the connecting rod (457) is extended out of the copper ring (458), the two flexible extrusion blocks (457) are respectively connected to the inner right side of the copper ring (451), and the two extrusion blocks (458), the side of the flexible extrusion block (457) facing away from the curved bar (455) is fixedly connected to the friction capsule (458).