CN116638136A - Face milling cutter with double-layer blades with adjustable spacing - Google Patents

Face milling cutter with double-layer blades with adjustable spacing Download PDF

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Publication number
CN116638136A
CN116638136A CN202310932436.3A CN202310932436A CN116638136A CN 116638136 A CN116638136 A CN 116638136A CN 202310932436 A CN202310932436 A CN 202310932436A CN 116638136 A CN116638136 A CN 116638136A
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CN
China
Prior art keywords
blade
cutter
groove
box
knife
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Granted
Application number
CN202310932436.3A
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Chinese (zh)
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CN116638136B (en
Inventor
袁志芳
汤冰冰
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Changzhou Xueshili Tools Co ltd
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Changzhou Xueshili Tools Co ltd
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Priority to CN202310932436.3A priority Critical patent/CN116638136B/en
Publication of CN116638136A publication Critical patent/CN116638136A/en
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Publication of CN116638136B publication Critical patent/CN116638136B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C5/00Milling-cutters
    • B23C5/02Milling-cutters characterised by the shape of the cutter
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Milling Processes (AREA)

Abstract

The invention relates to the technical field of milling cutters, in particular to a face milling cutter with a double-layer blade with an adjustable interval, which comprises a cutter head, a cutter seat, a blade and a claw; through the double-deck blade with adjustable interval that sets up, can carry out adaptability according to the cutting depth demand when in actual use and adjust, the adaptation face is wide, compares in the cutting mode of single blade, can carry out progressive degree of depth cutting to the cutting face and handle, when promoting single cutter life, heat when still can making the cutting operation disperses, promotes the roughness of cutting rate and cutting face, through the differential locking effect of sword box to double-deck blade, can carry out local adjustment and change operation according to the degree of wear of cutter in the follow-up working process, dismouting loaded down with trivial details degree when reducing follow-up maintenance operation, the cost is reduced.

Description

Face milling cutter with double-layer blades with adjustable spacing
Technical Field
The invention relates to the technical field of milling cutters, in particular to a face milling cutter with double-layer blades with adjustable spacing.
Background
The end face and the outer circle of the face milling cutter, which are perpendicular to the cutter bar, are provided with cutting edges, and the face milling cutter is mainly used for milling planes. The cutting edge of the outer circle is a main cutting edge, and the cutting edge of the end face plays the same role as a scraper. The face milling cutter has a shorter cutting edge than the sleeve end milling cutter.
Face mills are divided into two main categories, one category is to fix carbide inserts to cutter teeth by brazing and then mount the cutter teeth to the milling cutter body, which is called a cutting insert type face mill; the second type is to mount cemented carbide inserts directly on the milling cutter body and then fix them with screws or the like, which is called indexable mechanically clamped milling cutter.
The invention discloses a face milling cutter with double-layer blades, which is disclosed in Chinese application patent number 202110175701.9 and comprises a cutter head main body, wherein a plurality of groups of double-blade placing stations are arranged on the outer side of the cutter head main body along the circumference, each double-blade placing station comprises a first blade placing position and a second blade placing position, a first groove is formed in each first blade placing position, a first blade is in threaded connection in each first groove, a first pressing plate for pressing the first blade is arranged on each first blade, each first pressing plate is in threaded connection on each first blade placing position, and each first blade is aligned with a first side surface formed on the cutter head main body; the second blade placing position is provided with a second groove, a second blade is screwed in the second groove, the second blade is provided with a second pressing plate for pressing the second blade, the second pressing plate is screwed on the second blade placing position, and the second blade is aligned with a second side surface formed on the cutter head main body; the area of the second groove is larger than that of the first groove, the double-layer blade adopted in the invention is designed in a one-piece mode, the positions of the second blade and the first blade after being in threaded connection are fixed, the dislocation interval distance between the edges of the double-layer blade is also a fixed value, although the scheme can carry out cutting processing operation of multiple depth surfaces, the cutting depth is limited by the shape and the angle of the cutting surface of the double-layer blade, namely, the cutting depth is always adjusted and changed among a plurality of fixed values, and the application range is small; in addition, the angles between any two adjacent blades are different, and the abrasion of the cutter can affect the single-side cutter surface along with the cutting operation, so that the cutter edge at the preset position cannot be continuously used, frequent overall replacement is required, and the running and using cost is increased.
In view of the above, the present invention provides a face milling cutter with a double-layer insert with adjustable spacing, which solves the above-mentioned technical problems.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a face milling cutter with double-layer blades with adjustable intervals, and solves the problems that the blades are required to be replaced frequently due to the limitation of the depth and the abrasion degree of cutting faces in the face milling cutter operation of the double-layer blades, the application range is low, and the operation and use costs are high.
The technical scheme adopted for solving the technical problems is as follows: a face milling cutter with a double-layer blade with adjustable spacing comprises a cutter head;
the cutter holders are fixedly arranged at the lower part of the cutter head, a plurality of cutter holders are arranged, and the plurality of cutter holders are circumferentially and uniformly distributed;
the blade is characterized in that one side of the blade holder is provided with an inclined plane groove with gradually reduced thickness, the bottom of the inclined plane groove is provided with an inwardly extending knife groove, and the blade is fixedly arranged in the knife groove;
the clamping jaw is positioned at the middle lower part of the tool apron, the upper part and the middle part of the clamping jaw are respectively fixed with the inclined plane groove of the tool apron through a locking bolt, and the lower part of the clamping jaw is abutted against the blade.
Preferably, the bottom of the knife groove is fixedly provided with a knife box, an anti-slip pad is arranged between the bottom of the knife box and the knife groove, and the length of the knife box is smaller than the depth of the notch of the knife groove.
Preferably, the knife box is of a structure, the knife box extends to the perpendicular direction of the bottom plane of the knife groove, the opening end of the knife box faces the port direction of the knife groove, and the knife blade is mounted on the inner side of the knife box.
Preferably, the blade is a double-layer blade structure of regular polygon, the end part close to the notch of the knife slot is a first blade, the bottom part close to the notch of the knife slot is a second blade, the first blade and the second blade are identical in structure, and the first blade and the second blade are attached.
Preferably, the middle part of the second blade is fixedly arranged in the cutter box through a second bolt, a plurality of through holes are symmetrically formed in the middle parts of the first blade and the second blade, a first rotary drum is rotatably arranged in the through holes of the first blade, a first bolt is arranged in the first rotary drum in a rotating fit mode, a second rotary drum is rotatably arranged in the through holes of the second blade, strip-shaped grooves are symmetrically formed in the middle part of the second rotary drum and the bottom of the cutter box adjacent to the second rotary drum, the first bolt sequentially penetrates through the second blade and the strip-shaped grooves in the cutter box, nuts are slidably arranged in the strip-shaped grooves in the bottom of the cutter box, and the end parts of the first bolts are connected with the nuts in a threaded fit mode.
Preferably, the polygon draw-in groove has been seted up at the middle part of first blade, and the draw-in groove is corresponding with the second bolt, and the spout has been seted up to the tip of sword box, and sliding installation has the tensioning area in the spout, and the both ends of tensioning area all are connected with the notch inner chamber of spout through tensioning spring, and the front portion of first blade is passed through at the middle part of tensioning area, and the paster of the middle part fixed mounting elastic material of tensioning area, the laminating of the draw-in groove on one side and the first blade of paster.
Preferably, the jack catch is the "L" shape structure under the slope is placed, is the rotation contact between jack catch and the locking bolt, and the lower extreme tip of jack catch closely supports with the paster at tensioning area middle part.
Preferably, the side surface of the first blade and the side surface of the second blade are both provided with chip winding grooves.
Preferably, the positioning groove is all circumferentially seted up to the lateral wall of first blade and the lateral wall of second blade, and the jack catch is installed through sliding fit's mode symmetry to the both sides lateral wall of sword box, and the one side and the positioning groove block of jack catch, and the positioning bolt is installed through screw fit's mode in the front portion of sword box, and the well rear portion outer wall of positioning bolt is provided with the sunken annular that the diameter reduces, and the opposite side of jack catch slides and supports on the outer wall of positioning bolt, and the width of annular is greater than the lateral wall width of jack catch, and the annular is located between first blade and the second blade.
Preferably, the positioning groove is a V-shaped notch, damping teeth are uniformly arranged at the bottom of the notch of the positioning groove, an inclined surface similar to the notch of the positioning groove is arranged on one side of the clamping jaw, and a damping surface in contact with the damping teeth is arranged on the clamping jaw.
The invention has the beneficial effects that:
(1) The inclined surface groove and the cutter groove are arranged, so that a proper cutting angle can be kept between the bottom of the surface milling cutter blade and the cutting surface, the flow smoothness of the blade during entering and cutting operation is improved, the arranged distance-adjustable double-layer blade can be adaptively adjusted according to the cutting depth requirement during actual use, the application range is wide, compared with the cutting mode of a single blade, progressive deep cutting treatment can be carried out on the cutting surface, heat during cutting operation can be dispersed while the service life of a single cutter is prolonged, and the cutting speed and the flatness of the cutting surface are improved.
(2) The end of the claw is abutted against the bottom supporting effect of the anti-slip pad, the operation stability of the blade in the blade box and the blade box can be improved, the differential locking effect of the blade box on the double-layer blade can be realized, local adjustment and replacement operation can be carried out according to the abrasion degree of the blade in the subsequent working process, the complicated disassembly and assembly degree in the subsequent maintenance and overhaul operation can be reduced, the cost can be reduced, the locking capacity of the first blade and the second blade can be further improved through the clamping effect between the abutting tooth and the positioning groove, the probability of relative sliding or autorotation of the first blade or the second blade due to the contact pressure in the cutting operation process can be reduced, and the stability of the cutting operation and the flatness of the cutting surface can be improved.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the overall connection structure of the present invention;
FIG. 2 is a schematic bottom view of the present invention;
FIG. 3 is a schematic front view of the present invention;
FIG. 4 is a schematic view showing the positional relationship among the tool post, the bevel groove and the clamping jaw according to the present invention;
FIG. 5 is a schematic front view of FIG. 4 in accordance with the present invention;
FIG. 6 is a schematic view showing the positional relationship among the first blade, the second blade and the cartridge according to the present invention;
FIG. 7 is a schematic view of the positional relationship of the tension belt, the positioning bolt and the positioning groove according to the present invention;
FIG. 8 is an enlarged schematic view of the invention at A of FIG. 7;
FIG. 9 is a schematic view of a partial perspective view of a first blade according to the present invention;
FIG. 10 is a schematic view of a partial perspective view of a second blade according to the present invention;
FIG. 11 is a schematic view of the partial positional relationship between a second blade and a cartridge of the present invention;
in the figure:
1. a cutterhead; 2. a tool apron; 3. a blade; 21. an inclined surface groove; 22. a knife slot; 4. a claw; 41. a locking bolt; 23. a knife box; 231. an anti-slip pad; 31. a first blade; 32. a second blade; 321. a second bolt; 33. a first drum; 331. a first bolt; 34. a second drum; 341. a bar-shaped groove; 342. a nut; 311. a clamping groove; 232. tensioning the belt; 233. tensioning a spring; 234. a patch; 35. a scrap rolling groove; 36. a positioning groove; 235. abutting the teeth; 236. a positioning bolt; 237. a ring groove; 361. damping teeth.
Detailed Description
In order to make the technical means, creation characteristics, achievement purposes and effects of the present invention easy to understand, the following are combined
The invention is further illustrated by the detailed description.
The embodiment of the invention solves the problems that the blade is required to be replaced frequently due to the limitation of the depth and the abrasion degree of the cutting surface during the milling operation of the double-layer blade surface by providing the surface milling cutter with the double-layer blade with the adjustable interval, the application range is low, and the operation and use costs are high.
As shown in fig. 1 to 5, a face milling cutter having a double-layer insert with an adjustable pitch, includes a cutterhead 1;
the cutter holders 2 are fixedly arranged at the lower part of the cutter head 1, a plurality of cutter holders 2 are arranged, and the plurality of cutter holders 2 are circumferentially and uniformly distributed;
a blade 3, wherein one side of the blade holder 2 is provided with a bevel groove 21 with gradually reduced thickness downwards, the bottom of the bevel groove 21 is provided with a blade groove 22 extending inwards, and the blade 3 is fixedly arranged in the blade groove 22;
the clamping jaw 4 is positioned at the middle lower part of the tool apron 2, and the upper part and the middle part of the clamping jaw 4 are respectively fixed with the inclined surface groove 21 of the tool apron 2 through a locking bolt 41.
During operation, a plurality of tool holders 2 are sequentially mounted on the cutterhead 1 by a worker, then, the clamping jaw 4 is mounted, the locking bolt 41 close to the end part position of the clamping jaw 4 is preferentially mounted, and then the relative height position of the clamping jaw 4 is locked, and at the moment, the clamping jaw 4 can rotate by taking the end part locking bolt 41 as an axle center.
As shown in fig. 4 to 7, the bottom of the cutter slot 22 is fixedly provided with a cutter box 23, an anti-slip pad 231 is arranged between the bottom of the cutter box 23 and the cutter slot 22, the length of the cutter box 23 is smaller than the notch depth of the cutter slot 22, the cutter box 23 is of a structure, the cutter box 23 extends towards the vertical direction of the bottom plane of the cutter slot 22, the opening end of the cutter box 23 faces the port direction of the cutter slot 22, the cutter blade 3 is arranged at the inner side of the cutter box 23, the cutter blade 3 is of a regular polygon double-layer cutter blade structure, a first cutter blade 31 is arranged near the notch end of the cutter slot 22, a second cutter blade 32 is arranged near the notch bottom of the cutter slot 22, the first cutter blade 31 and the second cutter blade 32 are of the same structure, the first cutter blade 31 and the second cutter blade 32 are attached, and the side surfaces of the first cutter blade 31 and the second cutter blade 32 are provided with a chip winding groove 35.
In operation, the magazine 23 is mounted to the bottom of the pocket 22 by a worker.
As shown in fig. 6, 7, 9, 10 and 11, the middle part of the second blade 32 is fixedly mounted in the blade box 23 through a second bolt 321, a plurality of through holes are symmetrically formed in the middle parts of the first blade 31 and the second blade 32, the first drum 33 is rotatably mounted in the through holes of the first blade 31, the first bolt 331 is rotatably mounted in the first drum 33 in a rotating fit manner, the second drum 34 is rotatably mounted in the through holes of the second blade 32, strip grooves 341 are symmetrically formed in the middle part of the second drum 34 and the bottom of the blade box 23 adjacent to the second drum 34, the first bolt 331 sequentially penetrates through the second blade 32 and the strip grooves 341 on the blade box 23, nuts 342 are slidably mounted in the strip grooves 341 in the bottom of the blade box 23, and the end parts of the first bolt 331 are connected with the nuts 342 in a threaded fit manner.
When the cutter box 23 is in operation, after the cutter box 23 is installed, the second cutter blade 32 is installed on the cutter box 23 by a worker, the position of the cutter box is locked by the second bolt 321, then the first cutter blade 31 is attached to the side surface of the second cutter blade 32, in the process, the first bolt 331 arranged in the first rotary drum 33 sequentially penetrates through the second rotary drum 34 and the strip-shaped groove 341 on the bottom of the cutter box 23 adjacent to the second rotary drum 34, and the first cutter blade 31 can be supported in an auxiliary mode through the abutting action between the first bolt 331 and the strip-shaped groove 341.
Subsequently, according to the use requirements:
when the depth of the cutting surface of the face milling cutter is lower than a predetermined value, the first blade 31 is aligned with the second blade 32 linearly and is in an overlapped state, at this time, the first bolt 331 crosses the axial center position of the second drum 34, the end portion of the first bolt 331 enters into the nut 342 after passing through the bar-shaped groove 341 on the bottom of the cutter case 23, then, by tightening the first bolt 331 by a worker, the nut 342 is engaged with the bar-shaped groove 341 at this time and does not rotate, and during the tightening of the first bolt 331, the first blade 31 is immediately brought close to the second blade 32 and closely attached, and during the subsequent work, the cutting work is performed by the first blade 31.
When the depth of the cutting surface of the face milling cutter is higher than a preset value, the first blade 31 is pushed upwards by a worker, so that the first blade 31 and the second blade 32 are dislocated in height, at the moment, the lower part of the second blade 32 is exposed out of the lower part of the first blade 31, in the process of pushing the first blade 31, the first bolt 331 slides along the inner wall of the strip-shaped groove 341 and enables the second drum 34 to make a yielding rotation through abutting action so as to adapt to the moving path of the first blade 31, when the dislocation interval between the first blade 31 and the second blade 32 reaches the preset size, the pushing of the first blade 31 is stopped, then the first bolt 331 is locked, and the relative position between the first blade 31 and the second blade 32 is locked, in the following working process, the first blade 31 contacts the cutting surface and carries out cutting treatment of a certain depth, and then the second blade 32 follows the cutting path of the first blade 31, and enables the cutting surface to increase in cutting depth, in the working process, the heat dissipation of the first blade 31 and the second blade 32 can be matched with the second blade 32, and the heat dissipation of the cutting surface can be carried out, and the cutting surface can be smoothly processed, and the cutting surface can be cut, and the service life of a single cutter can be improved.
As shown in fig. 6 to 9, the middle part of the first blade 31 is provided with a polygonal clamping groove 311, the clamping groove 311 corresponds to the second bolt 321, the end part of the cutter box 23 is provided with a sliding groove, the sliding groove is internally provided with a tensioning belt 232, two ends of the tensioning belt 232 are connected with the notch inner cavity of the sliding groove through tensioning springs 233, the middle part of the tensioning belt 232 traverses the front part of the first blade 31, the middle part of the tensioning belt 232 is fixedly provided with a patch 234 made of elastic materials, one side of the patch 234 is attached to the clamping groove 311 on the first blade 31, the clamping jaw 4 is of an L-shaped structure which is obliquely placed, the clamping jaw 4 is in rotary contact with the locking bolt 41, and the lower end part of the clamping jaw 4 is tightly abutted to the patch 234 in the middle part of the tensioning belt 232.
During specific work, after the first blade 31 and the second blade 32 are installed, the patch 234 in the middle of the tensioning belt 232 is attached to the side face of the first blade 31, then, the second locking bolt 41 is installed in the middle of the claw 4 through a worker, then, the two locking bolts 41 are screwed down, the position of the claw 4 is locked, at this time, under the abutting and pressing action of the end parts of the claw 4, the patch 234 serves as a buffer pad and is attached to the clamping groove 311 of the first blade 31, the attaching tightness between the first blade 31 and the second blade 32 can be improved through the pressing of the claw 4 on the first blade 31, and meanwhile, the stability of the cutter box 23 in the cutter groove 22 is improved.
As shown in fig. 6 to 9, the side walls of the first blade 31 and the second blade 32 are both circumferentially provided with positioning grooves 36, the side walls of both sides of the blade box 23 are symmetrically provided with abutting teeth 235 in a sliding fit manner, one side of each abutting tooth 235 is clamped with the positioning groove 36, the front part of the blade box 23 is provided with a positioning bolt 236 in a threaded fit manner, the outer wall of the middle rear part of each positioning bolt 236 is provided with a recessed annular groove 237 with a reduced diameter, the other side of each abutting tooth 235 is slidably abutted against the outer wall of each positioning bolt 236, the width of each annular groove 237 is larger than the width of the side wall of each abutting tooth 235, the annular groove 237 is positioned between the first blade 31 and the second blade 32, each positioning groove 36 is a V-shaped notch, the bottoms of the notches of the positioning grooves 36 are uniformly provided with damping teeth 361, one side of each abutting tooth 235 is provided with an inclined surface similar to the notch of each positioning groove 36, and each abutting tooth 235 is provided with a damping surface contacting the damping teeth 361.
During operation, in the process of installing and adjusting the first blade 31 and the second blade 32, the end parts of the abutting teeth 235 enter the positioning grooves 36, at this time, through the clamping action between the positioning grooves 36 and the abutting teeth 235, the front-back movement path of the first blade 31 or the second blade 32 is limited, under the initial condition, the annular groove 237 approaches to the first blade 31, at this time, the end parts of the abutting teeth 235 clamped with the positioning grooves 36 in the first blade 31 abut against the annular groove 237, at this time, the first blade 31 is in a free sliding state in the upper-lower direction, the state is convenient for a worker to adjust the upper-lower position of the first blade 31, after the position adjustment of the first blade 31 is completed, the worker tightens the positioning bolts 236 through the threaded matching action, the positioning bolts 236 shrink inwards the blade box 23, and at this time, the relative positions between the annular groove 237 and the abutting teeth 235 change, the annular groove 237 gradually breaks away from contact with the abutting teeth 235, then, under the abutting action of the wide diameter outer wall of the positioning bolts 236, the abutting teeth 235 abut against the outer walls 235, the abutting teeth 36 and the sliding surfaces of the abutting teeth 36 and the second blade 31 can further slide towards the first blade 31 or the second blade 32, the relative damping surface can be lifted, the friction force can be further reduced, the relative friction force can be generated, the relative friction force can be reduced, and the relative friction force can be generated between the cutting surfaces and the cutting surfaces can be further increased, and the cutting surfaces can be more stable, and the relative to the opposite to the surfaces can 32.
The specific working procedure is as follows:
the plurality of tool holders 2 are sequentially mounted on the cutterhead 1 by a worker, then, the clamping jaw 4 is mounted, the locking bolt 41 close to the end position of the clamping jaw 4 is preferentially mounted, and then the relative height position of the clamping jaw 4 is locked, and at the moment, the clamping jaw 4 can rotate by taking the end locking bolt 41 as an axis.
Subsequently, the cutter case 23 is mounted to the bottom of the cutter groove 22 by a worker, and after the cutter case 23 is mounted, the second blade 32 and the first blade 31 are mounted and positioned sequentially by the worker.
Then, according to the use requirement of the depth of the cutting surface of the face milling cutter, the attaching state between the first blade 31 and the second blade 32 is adjusted, the depth change of the cutting surface can be adaptively adjusted by adjusting the dislocation degree between the first blade 31 and the second blade 32, progressive deep cutting treatment is carried out according to the dislocation degree, the service life of a single cutter is prolonged, heat during cutting operation can be dispersed, and the cutting speed and the flatness of the cutting surface are improved.
After the first blade 31 and the second blade 32 are installed, the patch 234 in the middle of the tensioning belt 232 is attached to the side face of the first blade 31, then, the second locking bolt 41 is installed in the middle of the claw 4 by a worker, then, the two locking bolts 41 are screwed down, so that the position of the claw 4 is locked, at this time, under the abutting and compacting actions of the end parts of the claw 4, the patch 234 acts as a buffer pad and is attached to the clamping groove 311 of the first blade 31, the attaching tightness between the first blade 31 and the second blade 32 can be improved through the pressing of the claw 4 on the first blade 31, and meanwhile, the stability of the cutter box 23 in the cutter groove 22 is improved.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. Face milling cutter with adjustable double-deck blade of interval, including blade disc (1), characterized by still includes:
the cutter seat (2) is fixedly arranged at the lower part of the cutter head (1), a plurality of cutter seats (2) are arranged, and the plurality of cutter seats (2) are circumferentially and uniformly distributed;
the cutter comprises a cutter blade (3), wherein an inclined plane groove (21) with gradually reduced thickness is formed in one side of the cutter blade (2), a cutter groove (22) extending inwards is formed in the bottom of the inclined plane groove (21), and the cutter blade (3) is fixedly arranged in the cutter groove (22);
the clamping jaw (4), the clamping jaw (4) is located in the middle lower portion of the tool apron (2), and the upper portion and the middle portion of the clamping jaw (4) are fixed with an inclined plane groove (21) of the tool apron (2) through locking bolts (41) respectively.
2. The face milling cutter as claimed in claim 1, wherein: the bottom of the knife groove (22) is fixedly provided with a knife box (23), an anti-slip pad (231) is arranged between the bottom of the knife box (23) and the knife groove (22), and the length of the knife box (23) is smaller than the depth of a notch of the knife groove (22).
3. The face milling cutter as claimed in claim 2, wherein: the knife box (23) is of a structure, the knife box (23) extends towards the perpendicular direction of the bottom plane of the knife groove (22), the opening end of the knife box (23) faces the port direction of the knife groove (22), and the knife blade (3) is mounted on the inner side of the knife box (23).
4. A face milling cutter as claimed in claim 3, wherein: the blade (3) is of a regular polygon double-layer blade structure, a first blade (31) is arranged near the end of a notch of the cutter groove (22), a second blade (32) is arranged near the bottom of the notch of the cutter groove (22), the first blade (31) and the second blade (32) are identical in structure, and the first blade (31) and the second blade (32) are attached.
5. The face milling cutter as claimed in claim 4, wherein: the middle part of second blade (32) is through second bolt (321) fixed mounting in sword box (23), install first rotary drum (33) in the interior of first blade (31), install first bolt (331) in first rotary drum (33), install second rotary drum (34) in second blade (32), bar groove (341) have been seted up to the middle part of second rotary drum (34) and the sword box (23) bottom symmetry that is adjacent with second rotary drum (34), bar groove (341) on first bolt (331) run through second blade (32) and sword box (23) in proper order, install nut (342) in bar groove (341) of sword box (23) bottom in sliding, and the tip of first bolt (331) is connected with nut (342) through screw-thread fit's mode.
6. The face milling cutter as claimed in claim 5, wherein: polygonal clamping grooves (311) are formed in the middle of the first blade (31), the clamping grooves (311) correspond to the second bolts (321), tensioning belts (232) are slidably mounted at the ends of the cutter box (23), two ends of each tensioning belt (232) are connected with a notch inner cavity of a sliding groove through tensioning springs (233), patches (234) made of elastic materials are fixedly mounted in the middle of each tensioning belt (232), and one side of each patch (234) is attached to the clamping groove (311) on the first blade (31).
7. The face milling cutter as claimed in claim 6, wherein: the clamping jaw (4) is in rotary contact with the locking bolt (41), and the lower end part of the clamping jaw (4) is tightly abutted against the patch (234) in the middle of the tensioning belt (232).
8. The face milling cutter as claimed in claim 4, wherein: the side surfaces of the first blade (31) and the second blade (32) are respectively provided with a chip rolling groove (35).
9. The face milling cutter as claimed in claim 4, wherein: the side wall of first blade (31) and the side wall of second blade (32) all circumference have seted up positioning groove (36), tight tooth (235) are supported through slip fit's mode symmetry to the both sides lateral wall of sword box (23), just support one side and positioning groove (36) block of tight tooth (235), positioning bolt (236) are installed in the front portion of sword box (23), and the well rear portion outer wall of positioning bolt (236) is provided with annular (237), supports the opposite side of tight tooth (235) and slides and support on the outer wall of positioning bolt (236).
10. The face milling cutter as claimed in claim 9, wherein: damping teeth (361) are uniformly arranged at the bottom of the notch of the positioning groove (36), and damping surfaces which are in contact with the damping teeth (361) are arranged on the abutting teeth (235).
CN202310932436.3A 2023-07-27 2023-07-27 Face milling cutter with adjustable double-layer blade Active CN116638136B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310932436.3A CN116638136B (en) 2023-07-27 2023-07-27 Face milling cutter with adjustable double-layer blade

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310932436.3A CN116638136B (en) 2023-07-27 2023-07-27 Face milling cutter with adjustable double-layer blade

Publications (2)

Publication Number Publication Date
CN116638136A true CN116638136A (en) 2023-08-25
CN116638136B CN116638136B (en) 2023-09-19

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CN208245896U (en) * 2018-05-14 2018-12-18 常熟万克精密工具有限公司 A kind of compound slotting cutter
CN216881926U (en) * 2021-11-12 2022-07-05 广州威赫托科技有限公司 Four-layer staggered tooth shockproof T-shaped milling cutter
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CN114905071A (en) * 2021-02-09 2022-08-16 永康市钰隆科技有限公司 Face milling cutter with double-layer blades
CN216881926U (en) * 2021-11-12 2022-07-05 广州威赫托科技有限公司 Four-layer staggered tooth shockproof T-shaped milling cutter
CN218192778U (en) * 2022-04-11 2023-01-03 安徽澳新工具有限公司 Tool bit fixing device for hammer processing
CN218362312U (en) * 2022-07-25 2023-01-24 南方天合底盘系统有限公司 Double-layer combined milling cutter

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