CN218638643U

CN218638643U - Durable nanometer superhard coating milling cutter

Info

Publication number: CN218638643U
Application number: CN202223318746.6U
Authority: CN
Inventors: 钱洪良; 朱永章; 黄虹; 曹长春; 赵世文; 杜佳轩
Original assignee: Suzhou Chaorui Coating Technology Co ltd
Current assignee: Suzhou Chaorui Coating Technology Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-03-17
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a durable nanometer superhard coating milling cutter, including the milling cutter head, the top of milling cutter head is provided with the milling cutter handle, the bottom of milling cutter handle is provided with the cross inserting groove, the top of milling cutter handle is provided with the guiding hole, the bottom of guiding hole and the inside terminal surface through connection of cross inserting groove, the inboard of cross inserting groove is provided with four symmetric distribution's anticreep inserting groove, the up end of milling cutter head is provided with the cross connecting rod, the top of cross connecting rod is provided with the separation hole, the bottom below of separation hole is provided with the reset block. The utility model discloses a divide into two parts of handle of a knife and tool bit with milling cutter, and connect through cross connection, anticreep inserted block, anticreep inserting groove, reset block and reset spring between handle of a knife and the tool bit, when the fracture appears because of the accident in the milling cutter tool bit, only need to dismantle the milling cutter tool bit change can, can effectual milling cutter's use and maintenance cost.

Description

Durable nanometer superhard coating milling cutter

Technical Field

The utility model relates to a nanometer superhard coating milling cutter technical field specifically is a durable nanometer superhard coating milling cutter.

Background

The milling cutter is a rotary cutter which is used for milling and provided with one or more cutter teeth, each cutter tooth sequentially and intermittently cuts off the allowance of a workpiece when in work, and the milling cutter is mainly used for processing planes, steps, grooves, forming surfaces, cutting off the workpiece and the like on a milling machine;

the nano superhard coating milling cutter is characterized in that a layer of nano wear-resistant material is plated on the outer surface of the milling cutter, so that the overall hardness of the milling cutter is increased, the milling cutter is not easy to wear in the milling process, and the service life of the milling cutter is prolonged.

The cutter head part and the cutter handle part of the nano superhard coating milling cutter are integrated, the cutter handle is arranged in the clamp when the milling cutter is used, the cutter head part is only broken when the milling cutter is broken due to accidental impact or program errors in the milling process, the whole milling cutter needs to be replaced when the milling cutter is replaced, the overall replacement cost of the milling cutter is high, and the use cost is increased; thus, the existing requirements are not met, for which we propose a durable nano superhard coated milling cutter.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a durable nanometer superhard coating milling cutter to solve nanometer superhard coating milling cutter tool bit portion and handle of a knife part that propose in the above-mentioned background art and be a whole, and the handle of a knife is installed and is left the tool bit in the outside inside anchor clamps when milling cutter uses, when milling in-process milling cutter leads to the fracture because of unexpected striking or procedure error, only can fracture tool bit portion, nevertheless need replace whole milling cutter when changing, milling cutter overall change is old and originally higher, can increase use cost scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a durable nanometer superhard coating milling cutter, includes the milling cutter head, the top of milling cutter head is provided with the milling cutter handle, the bottom of milling cutter handle is provided with the cross inserting groove, the top of milling cutter handle is provided with the guiding hole, the bottom of guiding hole and the inside terminal surface through connection of cross inserting groove, the inboard of cross inserting groove is provided with the anticreep inserting groove of four symmetric distributions, the up end of milling cutter head is provided with the cross connecting rod, the top of cross connecting rod is provided with the separation hole, the bottom below of separation hole is provided with the reset block, the bottom below of reset block is provided with rather than coaxial reset spring, the periphery of reset block is provided with the anticreep inserting block of four symmetric distributions, the one end and the laminating of reset block upper end side of anticreep inserting block and the other end run through cross connecting rod lateral wall and peg graft in the anticreep inserting groove.

Preferably, the bottom surface of reset block is provided with the locating hole, reset spring's top is pegged graft in the constant head tank.

Preferably, a filling cylinder is arranged below the bottom end of the reset spring, and the bottom end face of the filling cylinder is flush with the bottom end face of the cross connecting rod.

Preferably, the diameter of the separation hole is consistent with that of the guide hole, and the axis of the separation hole and the axis of the guide hole are coincident with each other.

Preferably, the anti-falling inserting block is arranged on the upper surface of the end part inside the cross connecting rod, and the reset sliding block and the anti-falling inserting block are formed in a casting mode through integration.

Preferably, the limiting clamping sheet is arranged above the end part of the anti-falling inserting block inserted in the anti-falling inserting groove, and the limiting clamping sheet is embedded on the outer wall of the cross connecting rod and connected through a screw.

Preferably, a reset spring piece is arranged between the bottom end of the limiting clamping sheet and the reset sliding block and is in a compressed state.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a divide into handle of a knife and tool bit two parts with milling cutter, and connect through cross connection, anticreep grafting piece, anticreep inserting groove, reset block and reset spring between handle of a knife and the tool bit, when the milling cutter tool bit breaks because of accident, only need to dismantle the milling cutter tool bit and change, can effectual milling cutter's use and maintenance cost;

2. the utility model discloses a promote the reset block in inserting the separation hole with the metal pin from the guiding hole for the reset block moves down and compresses reset spring, and reset spring piece elasticity extends and promotes the slider that resets this moment, makes in the shrink of anticreep grafting piece gets into the cross connecting rod, can take off milling cutter head at this moment, can be quick change milling cutter head, effectual improvement milling cutter's change efficiency.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic structural view of the cross connecting rod of the present invention;

FIG. 3 is a cross-sectional view of the milling cutter handle of the present invention;

fig. 4 is an enlarged view of a structure shown in fig. 3 according to the present invention.

In the figure: 1. a milling head; 2. a milling cutter handle; 3. a guide hole; 4. a cross-shaped connecting rod; 5. a separation well; 6. filling the cylinder; 7. a reset block; 8. a return spring; 9. an anti-drop plug block; 10. an anti-drop inserting groove; 11. resetting the sliding block; 12. resetting the spring piece; 13. a limit clamping sheet; 14. a cross-shaped inserting groove.

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.

Referring to fig. 1 to 4, the present invention provides an embodiment: a durable nanometer superhard coating milling cutter comprises a milling cutter head 1, a milling cutter handle 2 is arranged above the milling cutter head 1, a cross inserting groove 14 is formed in the bottom end of the milling cutter handle 2, a guide hole 3 is formed in the top end of the milling cutter handle 2, the bottom end of the guide hole 3 is communicated with the inner end face of the cross inserting groove 14, four anti-falling inserting grooves 10 which are symmetrically distributed are formed in the inner side of the cross inserting groove 14, a cross connecting rod 4 is arranged on the upper end face of the milling cutter head 1, a separation hole 5 is formed in the top end of the cross connecting rod 4, a reset block 7 is arranged below the bottom end of the separation hole 5, a reset spring 8 which is coaxial with the reset block 7 is arranged below the bottom end of the reset block 7, four anti-falling inserting blocks 9 which are symmetrically distributed are arranged on the periphery of the reset block 7, one end of each anti-falling inserting block 9 is attached to the side face of the upper end of the reset block 7, and the other end of each anti-falling inserting block 9 penetrates through the side wall of the cross connecting rod 4 to be inserted into the anti-falling inserting groove 10;

furthermore, the bottom surface of reset block 7 is provided with the locating hole, and reset spring 8's top is pegged graft in the constant head tank.

Further, a filling cylinder 6 is arranged below the bottom end of the return spring 8, and the bottom end face of the filling cylinder 6 is flush with the bottom end face of the cross connecting rod 4.

Through adopting above-mentioned technical scheme, the locating hole of reset block 7 bottom carries out the tip location to reset spring 8, and can divide the cover to reset spring 8 when reset spring 8 is compressed and accomodate, avoids reset spring 8 position offset to appear.

Further, the aperture of the separation hole 5 is kept consistent with that of the guide hole 3, and the axis of the separation hole 5 and the axis of the guide hole 3 coincide with each other.

Through adopting above-mentioned technical scheme, guiding hole 3 and separation hole 5 play the guide effect to dismantling the metal slender pole that milling head 1 used, guarantee that the metal slender pole can be straight push down reset block 7.

Further, the anti-falling insertion block 9 is provided with a reset slider 11 on the upper surface of the end part inside the cross connecting rod 4, and the reset slider 11 and the anti-falling insertion block 9 are molded by casting in a width size.

Furthermore, a limiting clamping sheet 13 is arranged above the end part of the anti-falling inserting block 9 inserted into the anti-falling inserting groove 10, and the limiting clamping sheet 13 is embedded on the outer wall of the cross connecting rod 4 and connected through a screw.

Furthermore, a reset spring piece 12 is arranged between the bottom end of the limiting clamping piece 13 and the reset slider 11, and the reset spring piece 12 is in a compressed state.

Through adopting above-mentioned technical scheme, can carry out position restriction to anticreep grafting piece 9 through spacing joint piece 13, reset spring leaf 12 and reset slider 11, guarantee that anticreep grafting piece 9 can not pop out, drop from the inside of cross-shaped connecting rod 4, thereby reset spring leaf 12 can drive reset slider 11 when reset block 7 moves down and remove and make anticreep grafting piece 9 get into inside the cross-shaped connecting rod 4 for cross-shaped connecting rod 4 loses fixed relation with milling cutter handle 2.

The working principle is as follows: when the milling cutter is used, when the milling cutter is broken due to accidental impact or numerical control program error in the using process, the part of the milling cutter head 1 can be broken at the moment, only the milling cutter handle 2 needs to be taken out of a clamp at the moment, then a metal thin rod with the diameter equal to or slightly smaller than the aperture of the guide hole 3 is selected, the metal thin rod is inserted into the guide hole 3 and extends into the separation hole 5 to be contacted with the reset block 7, the reset block 7 is downwards extruded by the metal thin rod to compress the reset spring 8, the reset block 7 downwards moves to be taken as the anti-falling insertion block 9, the reset spring leaf 12 can elastically recover and push the reset slider 11 to slide when the reset block 7 moves, the reset slider 11 can drive the anti-falling insertion block 9 fixed with the reset spring leaf to move towards the inside of the cross connecting rod 4 until the anti-falling insertion block 9 is separated from the anti-falling insertion groove 10 and completely enters the inside of the cross connecting rod 4, the cross connecting rod 4 and the milling cutter head 2 lose the fixed relation, at the moment, the cross milling cutter head can be directly replaced without the need to be replaced by a new milling cutter head, and the whole milling cutter head can be directly used without the replacement of the cross milling cutter head.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.

Claims

1. A durable nano superhard coating milling cutter, comprising a milling head (1), characterized in that: the milling cutter is characterized in that a milling cutter handle (2) is arranged above the milling cutter head (1), a cross insertion groove (14) is formed in the bottom end of the milling cutter handle (2), guide holes (3) are formed in the top end of the milling cutter handle (2), the bottom end of each guide hole (3) is connected with the inner end face of the corresponding cross insertion groove (14) in a penetrating mode, four symmetrically-distributed anti-falling insertion grooves (10) are formed in the inner side of each cross insertion groove (14), cross connecting rods (4) are arranged on the upper end face of the milling cutter head (1), separating holes (5) are formed in the top end of each cross connecting rod (4), a reset block (7) is arranged below the bottom end of each separating hole (5), a reset block (8) coaxial with the reset block (7) is arranged below the bottom end of each reset block (7), four symmetrically-distributed anti-falling insertion blocks (9) are arranged on the periphery of each reset block (7), one end of each reset block (9) is attached to the upper end side face of each reset block (7), and the other end of each reset block (4) penetrates through the side wall of each cross connecting rod (4) to be inserted into the corresponding anti-falling insertion groove (10).

2. A durable nano superhard coated milling cutter according to claim 1, wherein: the bottom surface of reset block (7) is provided with the locating hole, the top of reset spring (8) is pegged graft in the constant head tank.

3. A durable nano superhard coated milling cutter according to claim 2, wherein: the bottom below of reset spring (8) is provided with packing cylinder (6), the bottom terminal surface of packing cylinder (6) and the bottom terminal surface of cross connecting rod (4) are parallel and level each other.

4. A durable nano superhard coated milling cutter according to claim 1, wherein: the aperture of the separation hole (5) is consistent with that of the guide hole (3), and the axis of the separation hole (5) is coincident with that of the guide hole (3).

5. A durable nano superhard coated milling cutter according to claim 1, wherein: anticreep grafting piece (9) are located the inside tip upper surface of cross connecting rod (4) and are provided with slider (11) that resets, slider (11) and anticreep grafting piece (9) width size just congratulate the casting shaping through an organic whole.

6. A durable nano-sized superhard coated milling cutter according to claim 5, wherein: the anti-falling plug-in block (9) is inserted above the end part in the anti-falling plug-in groove (10) and is provided with a limiting clamping sheet (13), and the limiting clamping sheet (13) is embedded on the outer wall of the cross connecting rod (4) and is connected through a screw.

7. The durable nano-superhard coated milling cutter according to claim 6, wherein: the middle of the bottom end of the limiting clamping sheet (13) and the reset sliding block (11) is provided with a reset spring sheet (12), and the reset spring sheet (12) is in a compressed state.