CN213827205U

CN213827205U - Adjustable PCD tool holder milling cutter head used in numerical control milling

Info

Publication number: CN213827205U
Application number: CN202022675320.0U
Authority: CN
Inventors: 左鹏
Original assignee: Fuyao Semiconductor Kunshan Co ltd; Foxsemicon Integrated Technology Inc
Current assignee: Fuyao Semiconductor Kunshan Co ltd; Foxsemicon Integrated Technology Inc
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-07-30
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a milling cutter head is milled with adjustable PCD cutter holder in numerical control milling process, including the handle of a knife, the handle of a knife top is provided with the cone, fixedly connected with blade disc can be dismantled to the bottom of handle of a knife, a pair of cutting blade is installed to the symmetry on the circumference outer wall of blade disc, be provided with a pair of blade groove on the circumference outer wall of blade disc, the cutting blade passes through screw fixed connection in the blade groove, the circumference outer wall of blade disc is located and is provided with a pair of convex recess between the blade groove of both sides. The utility model relates to a simple structure, high, the high-quality numerical control milling process of cutting efficiency is with adjustable PCD cutter holder milling cutter dish.

Description

Adjustable PCD tool holder milling cutter head used in numerical control milling

Technical Field

The utility model relates to a machining technical field specifically is an use adjustable PCD cutter holder milling cutter dish in the numerical control milling.

Background

At present, most diameters of common PCD cutting cutterheads with large-diameter surfaces of aluminum alloys in the market are larger than 100mm, the number of blades is excessively larger than 10, the cost of the PCD cutter holder is high, the rotary machining is caused by the fact that all loss expenses are excessively large due to the fact that sudden conditions occur, the existing cutterheads are easy to accumulate chips at the bottom, the surfaces of workpieces are easy to scratch in machining, the finished product yield is low, and the cutterheads are heavy and are not easy to rotate rapidly for cutting machining. Therefore, there is a need for a new milling cutter disc that overcomes the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an use adjustable PCD cutter holder milling cutter dish among the numerical control milling to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a milling cutter head with adjustable PCD cutter holder in numerical control milling, includes the handle of a knife, the handle of a knife top is provided with the cone, fixedly connected with blade disc can be dismantled to the bottom of handle of a knife, a pair of cutting blade is installed to the symmetry on the circumference outer wall of blade disc, be provided with a pair of blade groove on the circumference outer wall of blade disc, the cutting blade passes through screw fixed connection in the blade groove, the circumference outer wall of blade disc is located and is provided with a pair of convex recess between the blade groove of both sides.

Preferably, the bottom of handle of a knife is provided with columniform bayonet joint, be provided with on the blade disc with the bayonet joint grafting complex spliced eye, the bottom annular array of handle of a knife distributes and has a set of screw thread bottom hole, annular array distributes on the blade disc has a set of counter sink, wear to be equipped with blade disc locking screw in the counter sink, blade disc locking screw and screw thread bottom hole threaded connection.

Preferably, a pair of stop grooves are symmetrically distributed on the outer wall of the circumference of the cutter handle, the stop grooves are internally and fixedly connected with rotation stop blocks through screws, a pair of limiting grooves are formed in the top of the cutter head, and the lower ends of the rotation stop blocks are in clamping fit with the limiting grooves.

Preferably, a main runner is arranged at the axis of the cutter head, a vertical runner is connected to the bottom of the main runner, and a pair of inclined runners with ports facing the cutting blades are further connected to the bottom of the main runner.

Preferably, the cutting blade is fixedly connected in the blade groove through a blade locking screw, a height adjusting screw is in threaded connection with the top of the blade groove, the head of the height adjusting screw is in a circular truncated cone shape, and the circumferential outer wall of the height adjusting screw is in abutting connection with the upper end surface of the cutting blade.

Preferably, a group of balance screw holes are distributed around the upper end face of the cutter head in an annular array mode, and balance screws are connected in the balance screw holes in a threaded mode.

Preferably, the maximum outer diameter of the cutter head is larger than 200 mm.

Preferably, the cutting insert is a cemented carbide insert.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses carry out the new design to cutter holder installation blade disc structure, be applied to numerical control machining center, with the help of the improvement processing rotational speed that the flat and horizontal can be by a wide margin of cutter body design, obtain higher cutting process speed, blade height and waterway structure's control, improve product surface machining yield, reduce loss spare cutter holder quantity, bring the major-pair reduction of cost, synthesize new cutter body structure under the condition that loss spare cost reduction 5 times, improve 1 times's machining efficiency on the contrary, combine under the rotation balance situation, the processingquality is stable. The utility model relates to a simple structure, high, the high-quality numerical control milling process of cutting efficiency is with adjustable PCD cutter holder milling cutter dish.

Drawings

FIG. 1 is a schematic diagram of a milling cutter head with an adjustable PCD toolholder for use in a numerical control milling process;

FIG. 2 is a schematic structural view of a flow channel in a milling cutter head using an adjustable PCD toolholder for use in a numerical control milling process;

FIG. 3 is a schematic structural view of a balance screw in a milling cutter head using an adjustable PCD toolholder for use in a CNC milling process;

FIG. 4 is a schematic diagram of a cutter head in a milling cutter head using an adjustable PCD toolholder for use in a numerically controlled milling process;

FIG. 5 is a schematic structural view of a height adjustment screw in a milling cutter head of an adjustable PCD toolholder for use in a CNC milling process.

In the figure: 1-a knife handle, 2-a conical head, 3-a block groove, 4-a rotation-stopping block, 5-a limiting groove, 6-a cutter head, 7-a counter bore, 8-a threaded bottom hole, 9-a cutter head locking screw, 10-a plug-in joint, 11-a plug-in hole, 12-a blade groove, 13-a cutting blade, 14-a blade locking screw, 15-a height adjusting screw, 16-a cutter head, 17-a balance screw hole, 18-a balance screw, 19-a main flow channel, 20-a vertical flow channel and 21-an oblique flow channel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution:

the utility model provides a milling cutter head with adjustable PCD cutter holder in numerical control milling process, includes handle of a knife 1, 1 top of handle of a knife is provided with conical head 2, fixedly connected with blade disc 6 can be dismantled to the bottom of handle of a knife 1, a pair of cutting blade 13 is installed to the symmetry on the circumference outer wall of blade disc 6, be provided with a pair of blade groove 12 on the circumference outer wall of blade disc 6, cutting blade 13 passes through screw fixed connection in blade groove 12, the circumference outer wall of blade disc 6 is located and is provided with a pair of convex recess 16 between the blade groove 12 of both sides.

The number of the blades of the standard PCD cutter holder is reduced to 2 from more than 10, the cutting loss is reduced by the cutter holder forming body, and the weight of the pair of arc-shaped grooves 16 is greatly reduced.

Preferably, the bottom of handle of a knife 1 is provided with columniform bayonet joint 10, be provided with on the blade disc 6 with bayonet joint 10 grafting complex spliced eye 11, the bottom annular array of handle of a knife 1 distributes and has a set of screw bottom hole 8, annular array distributes on the blade disc 6 has a set of counter sink 7, wear to be equipped with blade disc locking screw 9 in the counter sink 7, blade disc locking screw 9 and screw bottom hole 8 threaded connection.

The cutter head locking screw 9 is used for fixedly connecting the cutter head 6 to the cutter handle 1, and the plug-in connector 10 is matched with the plug-in hole 11 to play a positioning role.

Preferably, a pair of stop grooves 3 are symmetrically distributed on the circumferential outer wall of the cutter handle 1, stop rotation stops 4 are fixedly connected to the stop grooves 3 through screws, a pair of limiting grooves 5 are formed in the top of the cutter head 6, and the lower ends of the stop rotation stops 4 are in clamping fit with the limiting grooves 5.

The lower end of the rotation stop block 4 is in clamping fit with the limit groove 5. And the shearing force applied to the cutter head locking screw 9 during cutting is reduced.

Preferably, a main flow channel 19 is arranged at the axis of the cutter head 6, a vertical flow channel 20 is connected to the bottom of the main flow channel 19, and a pair of inclined flow channels 21 with ports facing the cutting blade 13 are further connected to the bottom of the main flow channel 19.

During cutting, the vertical flow passage 20 and the oblique flow passage 21 can spray cooling liquid, the vertical flow passage 20 keeps the cutter body machining center at flushing pressure, the phenomenon of chip accumulation under a cutter head can be solved by rotation, and the oblique flow passage 21 cools the cutting blade 13.

Preferably, the cutting insert 13 is fixedly connected in the insert pocket 12 by an insert locking screw 14, a height adjusting screw 15 is threadedly connected to the top of the insert pocket 12, the head of the height adjusting screw 15 is truncated cone-shaped, and the circumferential outer wall of the height adjusting screw 15 is in interference connection with the upper end surface of the cutting insert 13.

The height adjustment screw 15 allows fine adjustment of the height of the cutting insert 13.

Preferably, a group of balance screw holes 17 are distributed around the upper end face of the cutter head 6 in an annular array manner, and balance screws 18 are connected in the balance screw holes 17 in a threaded manner.

The balance screw 18 is convenient for adjusting the dynamic balance of the cutter head during cutting.

Preferably, the maximum outer diameter of the cutter head 6 is larger than 200 mm.

The maximum external diameter of the cutter head 6 is larger than 200mm, and the surface with a larger range can be processed and formed at one time.

Preferably, the cutting insert 13 is a cemented carbide insert.

The cutting blade 13 is a cemented carbide blade, and has high strength, high hardness and high cutting quality.

The utility model discloses a theory of operation is: the number of the blades of the standard PCD cutter holder is reduced to 2 from more than 10, the cutting loss is reduced by the cutter holder forming body, and the weight of the pair of arc-shaped grooves 16 is greatly reduced. The cutter head locking screw 9 is used for fixedly connecting the cutter head 6 to the cutter handle 1, and the plug-in connector 10 is matched with the plug-in hole 11 to play a positioning role. The lower end of the rotation stop block 4 is in clamping fit with the limit groove 5. And the shearing force applied to the cutter head locking screw 9 during cutting is reduced. During cutting, the vertical flow passage 20 and the oblique flow passage 21 can spray cooling liquid, the vertical flow passage 20 keeps the cutter body machining center at flushing pressure, the phenomenon of chip accumulation under a cutter head can be solved by rotation, and the oblique flow passage 21 cools the cutting blade 13. The height adjustment screw 15 allows fine adjustment of the height of the cutting insert 13. The balance screw 18 is convenient for adjusting the dynamic balance of the cutter head during cutting. The maximum external diameter of the cutter head 6 is larger than 200mm, and the surface with a larger range can be processed and formed at one time. The cutting blade 13 is a cemented carbide blade, and has high strength, high hardness and high cutting quality.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an use adjustable PCD cutter holder milling cutter dish in numerical control milling, includes handle of a knife (1), its characterized in that: the improved cutter is characterized in that a conical head (2) is arranged at the top of the cutter handle (1), a cutter head (6) is detachably and fixedly connected to the bottom of the cutter handle (1), a pair of cutting blades (13) are symmetrically installed on the outer wall of the circumference of the cutter head (6), a pair of blade grooves (12) are formed in the outer wall of the circumference of the cutter head (6), the cutting blades (13) are fixedly connected into the blade grooves (12) through screws, and a pair of arc-shaped grooves (16) are formed between the blade grooves (12) on two sides of the outer wall of the circumference of the cutter head (6).

2. The adjustable PCD toolholder milling cutter head for use in a digital controlled milling process as set forth in claim 1, wherein: the bottom of handle of a knife (1) is provided with columniform bayonet joint (10), be provided with on blade disc (6) with bayonet joint (10) grafting complex spliced eye (11), the bottom annular array distribution of handle of a knife (1) has a set of screw bottom hole (8), annular array distribution has a set of counter sink (7) on blade disc (6), wear to be equipped with blade disc locking screw (9) in counter sink (7), blade disc locking screw (9) and screw bottom hole (8) threaded connection.

3. The adjustable PCD toolholder milling cutter head for use in a digital controlled milling process as set forth in claim 1, wherein: a pair of stop block grooves (3) are symmetrically distributed on the outer wall of the circumference of the cutter handle (1), stop rotating stop blocks (4) are fixedly connected in the stop block grooves (3) through screws, a pair of limiting grooves (5) are formed in the top of the cutter head (6), and the lower ends of the stop rotating stop blocks (4) are in clamping fit with the limiting grooves (5).

4. The adjustable PCD toolholder milling cutter head for use in a digital controlled milling process as set forth in claim 1, wherein: the cutter head is characterized in that a main flow channel (19) is arranged at the axis of the cutter head (6), the bottom of the main flow channel (19) is connected with a vertical flow channel (20), and the bottom of the main flow channel (19) is further connected with a pair of inclined flow channels (21) with ports facing the cutting blade (13).

5. The adjustable PCD toolholder milling cutter head for use in a digital controlled milling process as set forth in claim 1, wherein: the cutting blade (13) is fixedly connected in the blade groove (12) through a blade locking screw (14), the top of the blade groove (12) is in threaded connection with a height adjusting screw (15), the head of the height adjusting screw (15) is in a circular truncated cone shape, and the circumferential outer wall of the height adjusting screw (15) is connected to the upper end face of the cutting blade (13) in an abutting mode.

6. The adjustable PCD toolholder milling cutter head for use in a digital controlled milling process as set forth in claim 1, wherein: a group of balance screw holes (17) are distributed on the periphery of the upper end face of the cutter head (6) in an annular array mode, and balance screws (18) are connected in threaded mode in the balance screw holes (17).

7. The adjustable PCD toolholder milling cutter head for use in a digital controlled milling process as set forth in claim 1, wherein: the maximum outer diameter of the cutter head (6) is larger than 200 mm.

8. The adjustable PCD toolholder milling cutter head for use in a digital controlled milling process as set forth in claim 1, wherein: the cutting insert (13) is a cemented carbide insert.