CN213052923U

CN213052923U - Stepped four-blade milling cutter with fixing grooves

Info

Publication number: CN213052923U
Application number: CN202021819053.3U
Authority: CN
Inventors: 叶忠
Original assignee: Changzhou Baoke Precision Tools Co ltd
Current assignee: Changzhou Baoke Precision Tools Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-04-27
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses a cascaded four sword milling cutter with fixed slot, including cutter arbor, connection handle, middle handle, round platform connecting piece, action handle, spiral portion, tool bit, knife tip, cutting edge, tooth, chip groove, limit sword, snubber block, damping spring, fixed slot, side sword one, side sword two and side sword three. Compared with the prior art, the utility model discloses possess following beneficial effect: this cascaded four-edged milling cutter with fixed slot, through the four-edged blade that sets up the tool bit, two side sword one separates side sword two and side sword three and opens, set up the chip groove simultaneously, and with the chip groove of leading of piece, the knife tip can drill, side sword two that are equipped with the chip groove can tentatively mill, side sword one can further accomplish the work of milling, thereby the milling cutter that significantly reduces is drilling and the resistance of milling the in-process, slow down the wearing and tearing of cutting edge in the use, the life of extension cutting edge, and improve work efficiency.

Description

Stepped four-blade milling cutter with fixing grooves

Technical Field

The utility model relates to a milling cutter device specifically is a cascaded four-blade milling cutter with fixed slot.

Background

With the continuous development of economy, the milling cutter becomes an important cutter for mechanical use. The milling cutter is a tool made of tungsten steel, is generally mainly used for a numerical control machining center, a CNC engraving machine and the like, can also be arranged on a common milling machine to process some relatively hard and uncomplicated heat treatment materials, is widely applied and is used for high-speed processing, and the working modes of the milling cutter are forward milling and reverse milling.

The existing milling cutter still has some defects when in use. The existing milling cutter has the advantages of single function, simpler style, no enough taper during cutting, larger resistance during milling of objects, accelerated abrasion of cutting edges, larger vibration force generated during working of the traditional milling cutter, and influence on working efficiency due to slipping of the milling cutter.

Therefore, a stepped four-edged milling cutter with a fixing groove is provided to address these problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cascaded four-blade milling cutter with fixed slot just in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a stepped four-blade milling cutter with a fixing groove comprises a cutter bar and a cutter head, wherein a connecting handle is arranged at the tail end of the cutter bar, the fixing groove is formed in the rear end of the connecting handle, a middle handle is arranged at the front end of the connecting handle, a circular table connecting piece is arranged at the front end of the middle handle, an operating handle is arranged at the front end of the circular table connecting piece, a spiral part is arranged at the front end of the operating handle, a damping block is arranged on the shaft body of the middle handle, a damping spring is arranged inside the damping block, and the cutter head is arranged at the front end of the spiral part;

the front end of the cutter head is provided with a cutter tip, the outermost edge of the spiral part is provided with a cutting edge, teeth are arranged on the end face of the cutting edge, a chip removing groove is formed in the side face of the cutting edge, edge edges are arranged on two sides of the chip removing groove, and a first side edge, a second side edge and a third side edge are arranged on the end face of the cutter head.

Preferably, the intermediate handle is arranged at a position intermediate the connecting handle and the operating handle, and the connecting handle, the intermediate handle and the operating handle are arranged in a stepped structure.

Preferably, the fixing groove penetrates through the inside of the connecting handle, and an opening of the fixing groove is formed at the end of the connecting handle.

Preferably, the front end surface of the cutter head is provided with a first side edge, a second side edge and a third side edge, the cutter head is of a four-edge structure, and the front end of the cutter head is provided with a cutter tip.

Preferably, the upper end surface of each cutting edge is provided with teeth, and a chip removing groove is formed between the two cutting edges.

Preferably, the middle position of the middle handle is provided with an upper damping block and a lower damping block, and a damping spring is arranged in each damping block.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this cascaded four-edged milling cutter with fixed slot, through the four-edged blade that sets up the tool bit, two side sword one separates side sword two and side sword three and opens, set up the chip groove simultaneously, and with the chip groove of leading of piece, the knife tip can drill, side sword two that are equipped with the chip groove can tentatively mill, side sword one can further accomplish the work of milling, thereby the milling cutter that significantly reduces is drilling and the resistance of milling the in-process, slow down the wearing and tearing of cutting edge in the use, the life of extension cutting edge, and improve work efficiency.

2. This cascaded four-edged milling cutter with fixed slot, through snubber block about setting up, at milling cutter during operation, the vibrational force of production is great, the condition of skidding can appear, and the inside damping spring of snubber block reduces milling cutter's vibrational force through flexible elasticity, improves milling cutter's work efficiency.

3. This cascaded four-blade milling cutter with fixed slot is through setting up fixed slot and cascaded shape for milling cutter's fixed more firm, the work piece that the car came out is more in the same direction as smooth, improves the practicality of device, is favorable to the device to promote on market.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the tool bit of the present invention;

in the figure: 1. a cutter bar; 2. a connecting handle; 3. a middle handle; 4. a circular truncated cone connecting piece; 5. an operating handle; 6. A spiral portion; 7. a cutter head; 8. a knife tip; 9. a blade; 10. teeth; 11. a chip removal groove; 12. an edge; 13. a damper block; 14. a damping spring; 15. fixing grooves; 16. a first side edge; 17. a second side edge; 18. And a side edge III.

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 2, a stepped four-blade milling cutter with a fixing groove includes a cutter bar 1 and a cutter head 7, a connecting handle 2 is disposed at a distal end of the cutter bar 1, a middle handle 3 is disposed at a middle position between the connecting handle 2 and an operation handle 5, the connecting handle 2, the middle handle 3 and the operation handle 5 are configured in a stepped structure, a fixing groove 15 is disposed at a rear end of the connecting handle 2, the middle handle 3 is disposed at a front end of the connecting handle 2, the fixing groove 15 penetrates through the inside of the connecting handle 2, an opening of the fixing groove 15 is disposed at a distal end of the connecting handle 2, a circular truncated cone connecting member 4 is disposed at a front end of the middle handle 3, the operation handle 5 is disposed at a front end of the circular truncated cone connecting member 4, a first side blade 16, a second side blade 17 and a third side blade 18 are disposed at a front end surface of the cutter head 7, the cutter head 7 is configured in a four, the front end of the operating handle 5 is provided with a spiral part 6, the shaft body of the middle handle 3 is provided with a damping block 13, the inside of the damping block 13 is provided with a damping spring 14, the front end of the spiral part 6 is provided with a cutter head 7, the upper end surface of the cutter edge 9 is provided with teeth 10, two flutes 11 are arranged between the cutter edges 9, the front end of the cutter head 7 is provided with a cutter tip 8, the outermost edge of the spiral part 6 is provided with the cutter edge 9, the end surface of the cutter edge 9 is provided with the teeth 10, the side surface of the cutter edge 9 is provided with a flute 11, the middle position of the middle handle 3 is provided with an upper damping block 13 and a lower damping block 13, the inside of the damping block 13 is provided with the damping spring 14, the two sides of the flute 11 are provided with side edges 12, and the end surface of the cutter head 7 is provided with a first side edge 16.

The working principle is as follows: when using this cascaded four-blade milling cutter with fixed slot, at first through the fixed slot 15 on the connection handle 2 with the milling cutter clamping be fixed in the machine, when the machine drives milling cutter and mills the work, knife tip 8, at first contact target object, and carry out trompil work on target object with certain tapering, secondly, tool bit 7 mills the hole wall tentatively, the piece of the longitudinal sliding who mills in-process production directly is discharged by chip groove 11, when the completion back is milled in the beginning, cutting edge 9 of spiral portion 6 stretches into in the hole, mill finally to the hole wall again, finally, accomplish milling of device.

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 a cascaded four-edge milling cutter with fixed slot, includes cutter arbor (1) and tool bit (7), its characterized in that: a connecting handle (2) is arranged at the tail end of the cutter bar (1), a fixing groove (15) is formed in the rear end of the connecting handle (2), a middle handle (3) is arranged at the front end of the connecting handle (2), a circular truncated cone connecting piece (4) is arranged at the front end of the middle handle (3), an operating handle (5) is arranged at the front end of the circular truncated cone connecting piece (4), a spiral part (6) is arranged at the front end of the operating handle (5), a damping block (13) is arranged on the shaft body of the middle handle (3), a damping spring (14) is arranged inside the damping block (13), and a cutter head (7) is arranged at the front end of the spiral part (6);

the front end of tool bit (7) is provided with knife tip (8), the outermost of spiral portion (6) is provided with cutting edge (9), be provided with tooth (10) on the terminal surface of cutting edge (9), the side of cutting edge (9) is provided with chip groove (11), the both sides of chip groove (11) are provided with limit sword (12), be provided with side sword one (16), side sword two (17) and side sword three (18) on the terminal surface of tool bit (7).

2. The stepped four-edge milling cutter with retention grooves according to claim 1, wherein: the middle handle (3) is arranged in the middle of the connecting handle (2) and the operating handle (5), and the connecting handle (2), the middle handle (3) and the operating handle (5) are arranged in a stepped structure.

3. The stepped four-edge milling cutter with retention grooves according to claim 1, wherein: the fixing groove (15) penetrates through the inside of the connecting handle (2), and an opening of the fixing groove (15) is formed in the tail end of the connecting handle (2).

4. The stepped four-edge milling cutter with retention grooves according to claim 1, wherein: the front end face of the cutter head (7) is provided with a first side edge (16), a second side edge (17) and a third side edge (18), the cutter head (7) is of a four-edge structure, and the front end of the cutter head (7) is provided with a cutter point (8).

5. The stepped four-edge milling cutter with retention grooves according to claim 1, wherein: the upper end surface of the cutting edges (9) is provided with teeth (10), and a chip removing groove (11) is formed between the two cutting edges (9).

6. The stepped four-edge milling cutter with retention grooves according to claim 1, wherein: an upper damping block and a lower damping block (13) are arranged in the middle of the middle handle (3), and a damping spring (14) is arranged in each damping block (13).