CN218873879U

CN218873879U - Cutter arbor adjustable length's stereoplasm milling cutter

Info

Publication number: CN218873879U
Application number: CN202221656050.1U
Authority: CN
Inventors: 蒋向荣
Original assignee: CHANGZHOU HENGDING TOOL MANUFACTURING CO LTD
Current assignee: CHANGZHOU HENGDING TOOL MANUFACTURING CO LTD
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2023-04-18
Anticipated expiration: 2032-06-29

Abstract

The utility model discloses a cutter arbor adjustable length's stereoplasm milling cutter, including broach shell, cutter arbor and cutting edge. The utility model has the advantages that: the utility model discloses a plurality of thread groove of vertical distribution are seted up to the inside symmetry of the both sides lateral wall of cutter arbor, when using, through connecting fixing bolt and the thread groove of different height position to can adjust the length of cutter arbor, enlarge this stereoplasm milling cutter's application scope, and when connecting cutter arbor and knife pouch, utilize the spring action of the spring that sets up, can make to be connected between fixing bolt and the thread groove more tightly, difficult emergence not hard up condition; through the lower extreme central point fixed mounting at the tool bit have the centering, can be when milling, fix a position the work piece fast, avoid milling the position and take place the skew, influence the milling precision, knife sheath, cutter arbor and tool bit all adopt carbide material to make moreover, can improve the self hardness of this cutter, and then improve its life.

Description

Cutter arbor adjustable length's stereoplasm milling cutter

Technical Field

The utility model relates to a stereoplasm milling cutter specifically is a cutter arbor adjustable length's stereoplasm milling cutter belongs to cutting tool technical field.

Background

The hard milling cutter refers to a milling cutter made of hard metal materials, and is generally used in the fields of numerical control machining centers, engraving machines and the like, and compared with other milling cutters, the hard milling cutter has better hot hardness and high wear resistance.

When the existing hard milling cutter is used, the following defects are often existed:

1) When some existing hard milling cutters are used, the length of a cutter bar is fixed, and when a deeper position needs to be milled during milling, the milling requirement cannot be met, so that the milling cutter needs to be replaced, and the use is troublesome;

2) When the existing hard milling cutters are used, workpieces cannot be quickly positioned, so that the milling positions are easy to shift during milling, and the milling precision is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cutter arbor adjustable length's stereoplasm milling cutter in order to solve above-mentioned at least one technical problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a hard milling cutter with an adjustable cutter bar length comprises

The cutter sleeve is arranged on the upper side of the hard milling cutter, a connector is fixedly arranged at the upper end of the cutter sleeve, a moving groove is fixedly formed in the center of the lower end of the cutter sleeve, mounting holes formed in the side walls of the two sides of the cutter sleeve are formed in the two sides of the moving groove in a penetrating and communicating mode, and fixing bolts are arranged in the mounting holes;

the upper side rod body of the cutter bar is connected inside the moving groove in a sliding manner, and the lower end of the cutter bar is fixedly welded with a cutter head;

and two cutting edges are arranged and are respectively and symmetrically fixedly arranged on the side walls of the two sides of the lower end of the cutter head.

As a further aspect of the present invention: the cutter comprises a cutter sleeve and a cutter rod, wherein a sealing ring is embedded in the center of the lower end of the cutter sleeve, and the cutter rod penetrates through the sealing ring and extends to the lower side of the cutter sleeve.

As a further aspect of the present invention: the inside symmetry of the both sides lateral wall of cutter arbor has seted up the thread groove of a plurality of vertical distribution, the cutter arbor passes through the mating reaction between fixing bolt and the thread groove and is connected with the broach shell.

As a further aspect of the present invention: spacing spout has been seted up to the bilateral cell wall external symmetry of shifting chute, two the equal fixed mounting in inside of spacing spout has the slide bar, two equal sliding sleeve has cup jointed two on the slide bar fixedly connected with cutter arbor between the slide sleeve.

As a further aspect of the present invention: and springs sleeved on the sliding rods are arranged on the lower sides of the two sliding sleeves.

As a further aspect of the present invention: the lower extreme central point of tool bit puts fixed mounting to have the centering.

As a further aspect of the present invention: the knife sleeve, the knife bar and the knife head are all made of hard alloy materials.

The utility model has the advantages that:

1) The utility model discloses a plurality of thread groove of vertical distribution are seted up to the inside symmetry of the both sides lateral wall of cutter arbor, when using, through connecting fixing bolt and the thread groove of different height position to can adjust the length of cutter arbor, enlarge this stereoplasm milling cutter's application scope, and when connecting cutter arbor and knife pouch, utilize the spring action of the spring that sets up, can make to be connected between fixing bolt and the thread groove more tightly, difficult emergence not hard up condition;

2) The utility model discloses a put fixed mounting at the lower extreme central point of tool bit and have the centering, can when milling, advance line location to the work piece fast, avoid milling the position and take place the skew, the influence mills the precision, and knife sheath, cutter arbor and tool bit all adopt the carbide material to make moreover, can improve the self hardness of this cutter, and then improve its life.

Drawings

Fig. 1 is a schematic front view structure diagram of the hard milling cutter of the present invention;

fig. 2 is a schematic view of the internal connection structure of the hard milling cutter of the present invention;

fig. 3 is a schematic view of the cross-section structure of the cutter bar of the present invention.

In the figure: 1. knife pouch, 2, connector, 3, mounting hole, 4, fixing bolt, 5, cutter arbor, 6, thread groove, 7, tool bit, 8, cutting edge, 9, centering, 10, shifting groove, 11, spacing spout, 12, slide bar, 13, sliding sleeve, 14, spring, 15, sealing ring.

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 efforts all belong to the protection scope of the present invention.

Example one

As shown in fig. 1 to 3, a hard milling cutter with an adjustable length of a cutter bar comprises

The cutter sleeve 1 is arranged on the upper side of the hard milling cutter, the upper end of the cutter sleeve is fixedly provided with a connector 2, the inner part of the center position of the lower end of the cutter sleeve is fixedly provided with a movable groove 10, two sides of the movable groove 10 are communicated with mounting holes 3 formed in the side walls of two sides of the cutter sleeve 1 in a penetrating manner, and fixing bolts 4 are arranged in the mounting holes 3;

the upper side of the cutter bar 5 is connected in the moving groove 10 in a sliding manner, and the lower end of the cutter bar is fixedly welded with a cutter head 7;

and two cutting edges 8 are arranged and are respectively and symmetrically fixedly arranged on the side walls of the two sides of the lower end of the cutter head 7.

The embodiment of the utility model provides an in, the inside scarf joint of lower extreme central point of broach shell 1 has sealing ring 15, and cutter arbor 5 passes sealing ring 15 and extends to the downside of broach shell 1, can improve the leakproofness of being connected between cutter arbor 5 and the broach shell 1, avoids milling the sweeps that produces and spatters in the joint line of the two, influences the regulation to cutter arbor 5 length.

The embodiment of the utility model provides an in, the thread groove 6 of a plurality of vertical distribution is seted up to the inside symmetry of both sides lateral wall of cutter arbor 5, and cutter arbor 5 is connected with broach shell 1 through the mating reaction between fixing bolt 4 and the thread groove 6, when using, is connected through the thread groove 6 with fixing bolt 4 and different altitude positions to can adjust the length of cutter arbor 5, enlarge this stereoplasm milling cutter's application scope.

The embodiment of the utility model provides an in, spacing spout 11 has been seted up to the both sides cell wall external symmetry of shifting chute 10, and the equal fixed mounting in inside of two spacing spouts 11 has slide bar 12, and sliding sleeve 13 has been cup jointed all to slide on two slide bars 12, and fixedly connected with cutter arbor 5 between two sliding sleeves 13 can restrict cutter arbor 5's displacement, avoids it to shift out in following knife sleeve 1.

The embodiment of the utility model provides an in, the downside of two sliding sleeves 13 is provided with the spring 14 that cup joints on slide bar 12, when being connected cutter arbor 5 and broach shell 1, utilizes the spring action of spring 14, can make to be connected between fixing bolt 4 and the thread groove 6 and fasten more, the difficult not hard up condition that takes place.

Example two

The cutter sleeve 1 is arranged on the upper side of the hard milling cutter, a connector 2 is fixedly arranged at the upper end of the cutter sleeve, a moving groove 10 is fixedly formed in the center of the lower end of the cutter sleeve, mounting holes 3 formed in the side walls of the two sides of the cutter sleeve 1 penetrate through and are communicated with the two sides of the moving groove 10, and fixing bolts 4 are arranged in the mounting holes 3;

and two cutting edges 8 are arranged and are respectively and symmetrically and fixedly arranged on the side walls of the two sides of the lower end of the cutter head 7.

The embodiment of the utility model provides an in, the lower extreme central point of tool bit 7 puts fixed mounting and has centering 9, can carry out quick location to the work piece when milling, avoids milling the position and takes place the skew, and the influence mills the precision.

The embodiment of the utility model provides an in, broach shell 1, cutter arbor 5 and tool bit 7 all adopt carbide material to make, can improve the self hardness of this cutter, and then improve its life.

The working principle is as follows: when using this kind of cutter arbor adjustable length's stereoplasm milling cutter, at first be connected this milling cutter through connector 2 and lathe, then utilize the centering 9 of setting to advance line location fast to the work piece, then can mill, in the use, when needs adjust the length of cutter arbor 5, only need be connected fixing bolt 4 and the thread groove 6 of different high positions, thereby realize adjusting the length of cutter arbor 5, can satisfy the milling demand of the different degree of depth, when being connected cutter arbor 5 and broach shell 1, utilize spring 14's spring action, can make to be connected between fixing bolt 4 and the thread groove 6 and fasten more, the difficult not hard up condition that takes place, and broach shell 1, cutter arbor 5 and tool bit 7 all adopt the carbide material to make, can improve the self hardness of this cutter, and then improve its life.

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 specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. A hard milling cutter with an adjustable cutter bar length is characterized by comprising

The cutter sleeve (1) is arranged on the upper side of the hard milling cutter, the upper end of the cutter sleeve is fixedly provided with a connector (2), the center of the lower end of the cutter sleeve is internally and fixedly provided with a moving groove (10), two sides of the moving groove (10) are provided with mounting holes (3) which are formed in the side walls of the two sides of the cutter sleeve (1) in a penetrating and communicating mode, and fixing bolts (4) are arranged in the mounting holes (3);

the upper side of the cutter bar (5) is connected in the moving groove (10) in a sliding manner, and the lower end of the cutter bar is fixedly welded with a cutter head (7);

and two cutting edges (8) are arranged and are respectively and symmetrically and fixedly arranged on the side walls of the two sides of the lower end of the cutter head (7).

2. The hard milling cutter with the adjustable length of the cutter bar as set forth in claim 1, wherein: the cutter comprises a cutter sleeve (1), wherein a sealing ring (15) is embedded in the center of the lower end of the cutter sleeve (1), and a cutter bar (5) penetrates through the sealing ring (15) and extends to the lower side of the cutter sleeve (1).

3. The hard milling cutter with the adjustable length of the cutter bar as set forth in claim 1, wherein: the inside symmetry of the both sides lateral wall of cutter arbor (5) has seted up thread groove (6) of a plurality of vertical distribution, cutter arbor (5) are connected with knife pouch (1) through the mating reaction between fixing bolt (4) and thread groove (6).

4. The hard milling cutter with the adjustable length of the cutter bar as set forth in claim 1, wherein: spacing spout (11), two have been seted up to the both sides cell wall external symmetry of shifting chute (10) the equal fixed mounting in inside of spacing spout (11) has slide bar (12), two slide bar (12) are gone up equal sliding sleeve and have been cup jointed sliding sleeve (13), two fixedly connected with cutter arbor (5) between sliding sleeve (13).

5. The hard milling cutter with the length-adjustable tool shank according to claim 4, wherein: springs (14) sleeved on the sliding rods (12) are arranged on the lower sides of the two sliding sleeves (13).

6. The hard milling cutter with the adjustable length of the cutter bar as set forth in claim 1, wherein: the center of the lower end of the cutter head (7) is fixedly provided with a centering (9).

7. The hard milling cutter with the adjustable length of the cutter bar as set forth in claim 1, wherein: the knife sleeve (1), the knife bar (5) and the knife head (7) are all made of hard alloy materials.