Surface milling device for mold processing and processing method thereof
Technical Field
The invention relates to the technical field of die machining, in particular to a surface milling device for die machining and a machining method thereof.
Background
Milling refers to cutting a profile by using a rotating throw-away tool, and is a highly efficient machining method. During milling operation, the milling cutter mainly moves through rotation, the profile moves through movement to perform feeding movement, and the cutter is required to be cooled due to the fact that the cutter is always in a working state in the milling process.
According to the surface milling process for precision die machining production disclosed in the publication No. CN116765472A, the liquid storage tank is pressurized through the air pump, so that the cooling liquid flows into the inner side of the runner pipe, the purpose that the cooling liquid is convenient to cool the machining table through the runner pipe can be achieved, the effect that the machining table cools residues is convenient to achieve, residues are prevented from adhering to the surface of a die, the precision of the machining die is not affected, but the cutter cannot be cooled in actual use, the cutter is always in a working state and generates a large amount of heat, the cutter is not timely cooled, the cutter is easy to damage, if the cooling is directly sprayed outside the cutter, the cutter can rotate at a high speed during working, the cooling liquid is difficult to uniformly cool the cutter under the centrifugal force of the cutter, dust and chips cannot be collected and cleaned in the machining process during the milling process of the die, and a certain use defect exists.
We have therefore proposed a surface milling device for die machining and a method of machining the same in order to solve the problems set out above.
Disclosure of Invention
The invention aims to provide a surface milling device for die machining and a machining method thereof, which are used for solving the problems that the cutter cannot be cooled in the prior art, a large amount of heat is generated when the cutter is always in a working state, and the cutter is easy to damage when the cutter is not cooled in time.
In order to achieve the aim, the invention provides the technical scheme that the surface milling device for die processing comprises a base, wherein a support frame is fixedly arranged at the top of the base, and an electric cross sliding table is arranged at one side of the base, which is positioned on the support frame;
further comprises:
The electric push rod is fixedly arranged on one side of the top of the support frame, the movable end of the electric push rod penetrates through the support frame and is fixedly provided with a movable plate, guide rods are symmetrically arranged on two sides of the top of the movable plate and are in sliding connection with the support frame, meanwhile, a driving motor is fixedly arranged in the center of the top of the movable plate, a chuck is fixedly arranged at the output end of the driving motor, and a milling cutter is detachably connected in the chuck;
The cooling component is arranged below the movable plate and comprises a liquid inlet pipe;
the dust collection assembly is arranged outside the milling cutter;
The liquid inlet pipe is connected with one side of the inside of the movable plate in a penetrating way, the bottom end of the liquid inlet pipe is connected with the shell in a penetrating way, the bottom of the shell is connected with the connecting hose in a penetrating way, the bottom end of the connecting hose is connected with the spraying pipe in a penetrating way, meanwhile, one side of the inside of the shell is connected with the rotating rod in a rotating way, and a plurality of rotating plates are fixedly arranged outside the rotating rod;
The cam is fixedly arranged at one end of the rotating rod penetrating through the shell, the moving plate is slidably connected above the outer portion of the cam, the limiting rods are symmetrically and slidably connected inside the moving plate, and the two limiting rods are fixedly connected with the movable plate.
Preferably, one side of the movable plate is fixedly provided with a connecting column, one side of the connecting column is fixedly provided with a pull rope, one side of the bottom of the movable plate is fixedly provided with a vertical plate, meanwhile, one side lower part of the vertical plate is hinged with a rotating plate, one end, far away from the connecting column, of the pull rope is fixedly connected with the rotating plate, and a connecting hose is fixedly connected with the rotating plate.
By adopting the technical scheme, the moving plate can move to pull the rotating plate to rotate.
Preferably, one side of the movable plate, which is close to the driving motor, is in penetrating connection with an air blowing hose, the bottom end of the air blowing hose is in penetrating connection with an air blowing pipe, a mounting block is fixedly mounted below the air blowing hose, and meanwhile, one side of the inside of the mounting block is in sliding connection with a positioning rod which is fixedly connected with the movable plate.
By adopting the technical scheme, the milling cutter can be cooled by blowing air.
Preferably, one side of the rotating plate is rotationally connected with a connecting shaft, the inside of the connecting shaft is slidably connected with a movable rod, one side of the outside of the movable rod is sleeved with a telescopic spring, one end of the telescopic spring is fixedly connected with the connecting shaft, the other end of the telescopic spring is fixedly provided with a fixed block, and the fixed block is fixedly connected with the movable rod.
By adopting the technical scheme, the movable rod can automatically reset after moving.
Preferably, one end of the movable rod is fixedly provided with a connecting rope, and one end of the connecting rope far away from the movable rod is fixedly connected with the mounting block.
By adopting the technical scheme, the installation block can be pulled to move after the movable rod swings.
Preferably, the dust collection assembly comprises a cover body arranged below the movable plate, a dust collection hose is arranged on one side of the top of the cover body in a penetrating mode, the dust collection hose is connected with the movable plate in a penetrating mode, through grooves are formed in the center of the top of the cover body in a penetrating mode, and positioning blocks are symmetrically arranged on two sides of the movable plate.
By adopting the technical scheme, dust and scraps generated by milling can be adsorbed.
Preferably, the inside of two locating pieces is all sliding connection has the bracing piece, and the one end of two bracing pieces is all with cover body fixed connection to the outside top of two bracing pieces is all overlapped and is equipped with extension spring, and extension spring's both ends are respectively with locating piece and bracing piece fixed connection simultaneously.
By adopting the technical scheme, the support rod can automatically reset after moving.
Preferably, the supporting shoe is installed to the outside both sides below symmetry of the cover body, and the below of two supporting shoes all is provided with the gyro wheel, and one side gyro wheel rotates with one side supporting shoe to be connected, the top fixed mounting of another side gyro wheel has the rotary rod simultaneously, and the top fixed mounting of rotary rod has the rotating member moreover, and dust absorption hose's outside below fixed mounting has the fixed frame, and one side symmetry of fixed frame articulates there is the link, link and cover body fixed connection simultaneously, and the bottom one side fixed mounting of fixed frame has the push pedal moreover, and the inside one side sliding connection of cover has the slide bar.
By adopting the technical scheme, the rotary rod can rotate to push the sliding rod to move.
Preferably, one end fixed mounting of slide bar has the mounting panel, and mounting panel and rotor sliding connection to outside one side cover of slide bar is equipped with reset spring, and reset spring's one end and cover body fixed connection simultaneously, and reset spring's the other end fixed mounting has the connecting block moreover, and the one end that the slide bar kept away from the mounting panel articulates there is the ball, and two through-holes have been seted up to one side that the top of cover body is located logical groove, and the inside both sides of through-hole carry out the chamfer simultaneously and handle.
Through adopting above-mentioned technical scheme for the sliding rod removes and can promote the dust absorption hose and rotate, and then can change the dust absorption scope, and through the wearing of convenient coupling hose of through-hole with blowing up the hose, and can reduce the friction with the cover body when removing through the chamfer, reduce wearing and tearing.
Compared with the prior art, the surface milling device for the die processing and the processing method thereof have the advantages that the cutter can be uniformly cooled in the process of milling the die, the influence of the overheating of the cutter on the service life of the cutter can be avoided, the waste of the cooling liquid can be reduced while the cooling liquid is sprayed, the cooling liquid is saved, and the practicability is improved;
1. When the die processing mills, the raw material is placed at the top of the electric cross sliding table to be fixed, then the electric push rod can be started to drive the movable plate to move downwards, the movable plate is driven to slide on the supporting frame after moving downwards, the milling cutter is contacted with the raw material after moving downwards, the driving motor is started to drive the cutter to rotate to mill the raw material, the external pump body is used for leading cooling liquid into the liquid inlet pipe, the cooling liquid can enter the shell, the cooling liquid can flow into the connecting hose through the shell to drive the rotating plate to rotate, the rotating rod can rotate, then the cooling liquid can be sprayed out through the spraying pipe, the cooling liquid can be sprayed outside the cutter in a mist form to uniformly cool the cutter, the rotating rod can drive the cam to rotate after rotating, the moving plate can be jacked to slide on the limiting rod after rotating the cam, after the moving plate moves, the pull rope can be pulled to move upwards through the connecting post, the rotating plate can be pulled to rotate upwards after the pull rope moves upwards, so that the spray pipe can be driven to rotate, the spray pipe can be reset under the action of gravity after the cam rotates for a circle, further the spray pipe can swing reciprocally, and further the spray pipe swings reciprocally when spraying mist cooling liquid, so that the range of spraying mist cooling liquid can be used for uniformly cooling a cutter without overlarge, the problem that the cooling liquid is wasted due to overlarge range of spraying mist cooling liquid is avoided, the cutter can be uniformly cooled in the milling process of the die through the cooling component, the service life of the cutter can be prevented from being influenced by overheating of the cutter, the waste of the cooling liquid can be reduced when the cooling liquid is sprayed, the cooling liquid is saved, and the practicability is improved;
2. The high-pressure gas is introduced into the blowing hose through the air pump in the milling process, the high-pressure gas can be sprayed out through the blowing pipe, so that the cutter can be blown, heat on the cutter can be quickly taken away, scraps generated by milling can be blown up, the scraps are prevented from adhering to the die along with cooling liquid, the rotating plate can drive the movable rod to swing through the connecting shaft in the reciprocating rotating process, the movable rod can be pulled to slide on the connecting shaft by being pulled by the connecting rope after swinging upwards, the telescopic spring can be stretched, the mounting block can be lifted up through the connecting rope, the mounting block can slide outside the positioning rod, the blowing pipe can be driven to move upwards through the blowing hose, the blowing range can be enlarged, the blowing pipe has a larger flow rate, the blowing range can be expanded according to the Bernoulli principle while the blowing gas flow rate is ensured to be unchanged, the cutter can be uniformly blown, the cutter can be uniformly cooled, and the practicability is improved;
3. When milling the former material, through electric putter control fly leaf decline, make two gyro wheels and former material carry out the butt, afterwards, make the fly leaf continue to move down and make the cutter can mill the former material, the fly leaf continues to move down and make the bracing piece slide on the locating piece and make extension spring take place the deformation, link to each other with dust absorption hose and dust catcher, start the dust catcher in milling the in-process, and then adsorb dust and piece through dust absorption hose, can adjust the position of former material through electric cross slip table removal, the gyro wheel can rotate when electric cross slip table drives the former material and moves about, and along with milling the going on of work, electric cross slip table is by controlling the removal and become back-and-forth movement in-process, two gyro wheels can rotate along with the direction of movement of former material and rotate, the left side gyro wheel rotates afterwards can drive the rotary rod and rotate, make the rotating member rotate afterwards can promote the slide bar through the sliding connection with the mounting panel and remove, the slide bar removes and can stretch reset spring, and promote the rotation through the butt push pedal of ball and push pedal, make the fixed frame rotate on the link frame, and then change the angle, and can change the dust absorption hose with the change in the dust absorption angle, can change the dust absorption angle in the hose has been changed in the dust absorption angle, can change the dust absorption angle is in the dust absorption hose has been changed in the dust has the change in the dust has the dust.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a cooling module according to the present invention;
FIG. 3 is a schematic view of another view of the cooling module according to the present invention;
FIG. 4 is an enlarged schematic view of the area A of FIG. 2 according to the present invention;
FIG. 5 is a schematic cross-sectional view of a housing according to the present invention;
FIG. 6 is an enlarged view of the area B of FIG. 3 according to the present invention;
FIG. 7 is a schematic view of a dust collection assembly according to the present invention;
FIG. 8 is an enlarged view of area C of FIG. 7 in accordance with the present invention;
FIG. 9 is a schematic view of the structure of the cover of the present invention.
The device comprises a base, 101, a supporting frame, 102, an electric push rod, 103, a movable plate, 104, a guide rod, 105, a driving motor, 2, a cooling assembly, 201, a liquid inlet pipe, 202, a connecting hose, 203, a spray pipe, 204, a shell, 205, a rotating rod, 206, a rotating plate, 207, a cam, 208, a limiting rod, 209, a moving plate, 210, a connecting column, 211, a stay cord, 212, a vertical plate, 213, a rotating plate, 214, a blowing hose, 215, a blowing pipe, 216, a mounting block, 217, a positioning rod, 218, a connecting rope, 219, a connecting shaft, 220, a movable rod, 221, a telescopic spring, 222, a fixed block, 3, a dust collection assembly, 301, a cover body, 302, a dust collection hose, 303, a positioning block, 304, a supporting rod, 305, a tension spring, 306, a supporting block, 307, a roller, 308, a rotating rod, 309, a rotating piece, 310, a through hole, 311, a fixed frame, 312, a connecting frame, 313, a push plate, 314, a sliding rod, 315, a mounting plate, a 316, a reset spring, 317, and a connecting block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-9, the invention provides a surface milling device for mold processing, which comprises a base 1, wherein a support frame 101 is fixedly arranged at the top of the base 1, and an electric cross sliding table is arranged at one side of the base 1, which is positioned on the support frame 101;
further comprises:
The electric push rod 102 is fixedly arranged on one side of the top of the supporting frame 101, the movable end of the electric push rod 102 penetrates through the supporting frame 101 and is fixedly provided with a movable plate 103, guide rods 104 are symmetrically arranged on two sides of the top of the movable plate 103, the two guide rods 104 are in sliding connection with the supporting frame 101, meanwhile, the center of the top of the movable plate 103 is fixedly provided with a driving motor 105, the output end of the driving motor 105 is fixedly provided with a chuck, and the interior of the chuck is detachably connected with a milling cutter;
A cooling assembly 2 disposed below the movable plate 103, the cooling assembly 2 including a liquid inlet pipe 201;
The liquid inlet pipe 201 is connected with one side of the inside of the movable plate 103 in a penetrating way, the bottom end of the liquid inlet pipe 201 is connected with the shell 204 in a penetrating way, the bottom of the shell 204 is connected with the connecting hose 202 in a penetrating way, the bottom end of the connecting hose 202 is connected with the spraying pipe 203 in a penetrating way, meanwhile, one side of the inside of the shell 204 is connected with the rotating rod 205 in a rotating way, and a plurality of rotating plates 206 are fixedly arranged outside the rotating rod 205;
The cam 207 is fixedly arranged at one end of the rotating rod 205 penetrating through the shell 204, a movable plate 209 is connected above the outer part of the cam 207 in a sliding manner, limit rods 208 are symmetrically connected inside the movable plate 209 in a sliding manner, and the two limit rods 208 are fixedly connected with the movable plate 103;
A connecting column 210 is fixedly installed on one side of the moving plate 209, a pull rope 211 is fixedly installed on one side of the connecting column 210, a vertical plate 212 is fixedly installed on one side of the bottom of the movable plate 103, a rotating plate 213 is hinged below one side of the vertical plate 212, one end, away from the connecting column 210, of the pull rope 211 is fixedly connected with the rotating plate 213, and a connecting hose 202 is fixedly connected with the rotating plate 213.
Embodiment one: as shown in fig. 1-3, when the mold processing mills, the raw material is placed on the top of the electric cross sliding table to fix, then the electric push rod 102 can be started to drive the movable plate 103 to move downwards, the guide rod 104 is driven to slide on the supporting frame 101 after the movable plate 103 moves downwards, the milling cutter contacts the raw material after the movable plate 103 moves downwards, the driving motor 105 is started to drive the cutter to rotate to mill the raw material, the external pump body is used for introducing cooling liquid into the liquid inlet pipe 201, the cooling liquid can enter the shell 204, the cooling liquid can flow into the connecting hose 202 through the shell 204 to drive the rotating plate 206 to rotate, the rotating rod 205 can rotate, then the cooling liquid can be sprayed outside the cutter in a mist mode through the spraying pipe 203, the rotating rod 205 can drive the cam 207 to rotate after rotating, the cam 207 can push the moving plate 209 to slide on the limiting rod 208 after rotating, the moving plate 209 can pull the pull rope 211 to move upwards through the connecting column 210 after moving, the rotating plate 213 can be pulled to rotate upwards after the pull rope 211 moves upwards, so that the spray pipe 203 can be driven to rotate, the spray pipe 203 is reset under the action of gravity after the cam 207 rotates for one circle, the spray pipe 203 can swing reciprocally, and the spray pipe 203 swings reciprocally while spraying mist cooling liquid, so that the range of spraying mist cooling liquid can not be too large, the cutter can be uniformly cooled, the waste of cooling liquid caused by too large range of spraying mist cooling liquid is avoided, the service life of the cutter can be prevented from being influenced by overheating of the cutter in the milling process of the die through the cooling component 2, the waste of cooling liquid can be reduced while spraying cooling liquid, the cooling liquid is saved, and the practicability is improved;
The movable plate 103 is internally provided with a blowing hose 214 in a penetrating way on one side close to the driving motor 105, the bottom end of the blowing hose 214 is provided with a blowing pipe 215 in a penetrating way, the lower part of the outer part of the blowing hose 214 is fixedly provided with a mounting block 216, meanwhile, one side of the inner part of the mounting block 216 is slidingly connected with a positioning rod 217, and the positioning rod 217 is fixedly connected with the movable plate 103;
one side of the rotating plate 213 is rotatably connected with a connecting shaft 219, the inside of the connecting shaft 219 is slidably connected with a movable rod 220, one side of the outside of the movable rod 220 is sleeved with a telescopic spring 221, one end of the telescopic spring 221 is fixedly connected with the connecting shaft 219, the other end of the telescopic spring 221 is fixedly provided with a fixed block 222, and the fixed block 222 is fixedly connected with the movable rod 220;
one end of the movable rod 220 is fixedly provided with a connecting rope 218, and one end of the connecting rope 218 far away from the movable rod 220 is fixedly connected with the mounting block 216.
In the second embodiment, as shown in fig. 4 and fig. 8-9, high-pressure gas is introduced into the air blowing hose 214 through the air pump in the milling process, the high-pressure gas can be ejected through the air blowing pipe 215, so that the cutter can be blown, heat on the cutter can be quickly taken away, and fragments generated by milling can be blown up, the fragments are prevented from adhering to a mold along with cooling liquid, the rotating plate 213 can drive the movable rod 220 to swing through the connecting shaft 219 in the reciprocating rotation process, the movable rod 220 can be pulled by pulling the connecting rope 218 to slide on the connecting shaft 219 after swinging upwards, the expansion spring 221 can be stretched, the mounting block 216 can be lifted through the connecting rope 218, the mounting block 216 can slide outside the positioning rod 217, the air blowing pipe 215 can be driven to move upwards through the air blowing hose 214, the range can be expanded, the air blowing pipe 215 has a large flow rate, the inner diameter of the air blowing pipe 215 is prevented from being small according to the Bernoulli principle, the range can be expanded, the cutter can be uniformly cooled while the flow rate of the air blowing gas is ensured to be unchanged, and the cutter can be cooled uniformly and blown by assistance is achieved.
The dust collection assembly 3 is arranged outside the milling cutter;
The dust collection assembly 3 comprises a cover body 301 arranged below the movable plate 103, a dust collection hose 302 is arranged on one side of the top of the cover body 301 in a penetrating manner, the dust collection hose 302 is connected with the movable plate 103 in a penetrating manner, a through groove is arranged on the center of the top of the cover body 301 in a penetrating manner, and positioning blocks 303 are symmetrically arranged on two sides of the movable plate 103;
The inside of each positioning block 303 is slidably connected with a supporting rod 304, one end of each supporting rod 304 is fixedly connected with the cover 301, an extension spring 305 is sleeved above the outside of each supporting rod 304, and meanwhile, two ends of each extension spring 305 are fixedly connected with each positioning block 303 and each supporting rod 304;
support blocks 306 are symmetrically arranged below the two outer sides of the cover 301, rollers 307 are arranged below the two support blocks 306, one side roller 307 is rotatably connected with one side support block 306, meanwhile, a rotary rod 308 is fixedly arranged at the top of the other side roller 307, a rotary piece 309 is fixedly arranged at the top end of the rotary rod 308, a fixed frame 311 is fixedly arranged below the outer side of the dust collection hose 302, one side of the fixed frame 311 is symmetrically hinged with a connecting frame 312, the connecting frame 312 is fixedly connected with the cover 301, a push plate 313 is fixedly arranged at one side of the bottom of the fixed frame 311, and a sliding rod 314 is slidingly connected with one side of the inner side of the cover 301;
one end fixed mounting of slide bar 314 has mounting panel 315, and mounting panel 315 and rotor 309 sliding connection to one side cover outside of slide bar 314 is equipped with reset spring 316, and reset spring's one end and the cover 301 fixed connection simultaneously, and reset spring's 316 other end fixed mounting has connecting block 317 moreover, and slide bar 314 is kept away from the one end of mounting panel 315 and articulates there are the ball, and two through-holes 310 have been seted up on one side that the top of cover 301 lies in logical groove, and the inside both sides of through-hole 310 carry out the rounding simultaneously and handle.
In the third embodiment, as shown in fig. 4-7, when milling a raw material, the movable plate 103 is controlled to descend through the electric push rod 102, so that the two rollers 307 are abutted against the raw material, then the movable plate 103 is enabled to move downwards, so that the cutter can mill the raw material, the movable plate 103 is enabled to move downwards, the support rod 304 slides on the positioning block 303, the tension spring 305 is enabled to deform, the dust collection hose 302 is connected with the dust collector, the dust collector is started in the milling process, dust and scraps are adsorbed through the dust collection hose 302, the position of the raw material can be adjusted through movement of the electric cross sliding table, the rollers 307 can rotate when the electric cross sliding table drives the raw material to move left and right, and as the milling operation is performed, the electric cross sliding table is changed into a front-back moving process from left to-right, the two rollers 307 can rotate along with the moving direction of the raw material, the left roller 307 can drive the rotary rod 308 to rotate after rotating, the rotary rod 309 can rotate, the rotary member 309 can move through sliding connection with the mounting plate to push the sliding rod 314, the sliding rod 314 can move through the sliding connection with the mounting plate, the sliding rod 314 can move, the reset spring 316 can move along with the reset spring 313, the reset angle can change along with the moving direction, the rolling rod 313 can change the dust collection hose, the dust collection hose can change, and the dust collection device can be automatically change.
Working principle: when the surface milling device for die machining is used, firstly, as shown in fig. 1-9, when the die machining is milled, a raw material is placed on the top of an electric cross sliding table to be fixed, then an electric push rod 102 can be started to drive a movable plate 103 to move downwards, the movable plate 103 is driven to drive a guide rod 104 to slide on a supporting frame 101 after moving downwards, a milling cutter is contacted with the raw material after moving downwards, a driving motor 105 is started to drive the cutter to rotate so as to mill the raw material, a cooling liquid is introduced into a liquid inlet pipe 201 through an external pump body, the cooling liquid can enter a shell 204, the cooling liquid flows into a connecting hose 202 through the shell 204 and can drive a rotating plate 206 to rotate so as to enable a rotating rod 205 to rotate, then the cooling liquid can be sprayed out through a spray pipe 203 so as to form mist to be sprayed outside the cutter, the cutter is uniformly cooled, the rotating rod 205 can drive the cam 207 to rotate after rotating, the moving plate 209 can be jacked to slide on the limiting rod 208 after rotating, the moving plate 209 can pull the pull rope 211 to move upwards through the connecting column 210 after moving, the rotating plate 213 can be pulled to rotate upwards after the pull rope 211 moves upwards, the spray pipe 203 can be driven to rotate, the spray pipe 203 is reset under the action of gravity after the cam 207 rotates for a circle, the spray pipe 203 can be further reciprocated to swing, and the spray pipe 203 can be reciprocated to swing while spraying mist cooling liquid, so that the cutter can be uniformly cooled without excessively large range of spraying mist cooling liquid, and the waste of the cooling liquid caused by excessively large range of spraying mist cooling liquid is avoided;
During milling, high-pressure gas is introduced into the air blowing hose 214 through the air pump, the high-pressure gas can be sprayed out through the air blowing pipe 215, so that the cutter can be blown, heat on the cutter can be rapidly taken away, chips generated by milling can be blown up, the chips are prevented from adhering to the die along with cooling liquid, the rotating plate 213 can drive the movable rod 220 to swing through the connecting shaft 219 in the reciprocating rotating process, the movable rod 220 can be pulled to slide on the connecting shaft 219 by being pulled by the connecting rope 218 after swinging upwards, the telescopic spring 221 can be stretched, the mounting block 216 can be lifted up through the connecting rope 218, the mounting block 216 can slide outside the positioning rod 217, the air blowing range can be enlarged by driving the air blowing pipe 215 through the air blowing hose 214, in order to ensure that the air blown out by the air blowing pipe 215 has a larger flow rate, the inner diameter of the air blowing pipe 215 is smaller according to Bernoulli principle, so that the air blowing pipe 215 can expand the air blowing range while ensuring the constant air blowing flow rate, can uniformly blow the cutter, can assist the cutter to uniformly cool, and improves the practicability, when milling the raw material, the movable plate 103 is controlled to descend through the electric push rod 102, so that the two rollers 307 are abutted with the raw material, then the movable plate 103 is continuously moved downwards to enable the cutter to mill the raw material, the movable plate 103 is continuously moved downwards to enable the supporting rod 304 to slide on the positioning block 303 and enable the tension spring 305 to deform, the dust suction hose 302 is connected with the dust suction hose, the dust suction hose 302 is used for sucking dust and scraps in the milling process, the position of the raw material can be adjusted through the movement of the electric cross sliding table, the electric cross sliding table drives the raw materials to move left and right, the rollers 307 can rotate, and along with the milling operation, the electric cross sliding table changes from left and right to front and back in-process, the two rollers 307 can rotate along with the moving direction of the raw materials, the left roller 307 can drive the rotating rod 308 to rotate after rotating, the rotating piece 309 rotates, the rotating piece 309 can push the sliding rod 314 to move through sliding connection with the mounting plate 315 after rotating, the sliding rod 314 can stretch the return spring 316, the pushing plate 313 is pushed to rotate through the abutting of the balls and the pushing plate 313, the fixed frame 311 rotates on the connecting frame 312, the angle below the dust collection hose 302 is changed, the dust collection hose 302 can be reset along with the change of the moving direction of the raw materials, the dust collection angle of the dust collection hose 302 can be changed in the milling operation, even dust collection can be carried out inside the cover 301, dead angles are avoided, dust and debris can be collected, and practicability is improved.
What is not described in detail in this specification is prior art known to those skilled in the art.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.