CN216881929U

CN216881929U - Plastic milling cutter with chamfer unhairing limit

Info

Publication number: CN216881929U
Application number: CN202122780245.9U
Authority: CN
Inventors: 谢亚平; 谢卫芬
Original assignee: Changzhou Lisheng Tool Manufacturing Co ltd
Current assignee: Changzhou Lisheng Tool Manufacturing Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-07-05
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses a plastic milling cutter with chamfering and deburring functions, which comprises a cutter bar, a cutter holder and a cutter head. The utility model has the beneficial effects that: according to the utility model, the cutter bar and the cutter holder can be connected through the thread meshing action between the thread groove and the thread column, so that the cutter head can be conveniently replaced when the cutter head is seriously worn, the use cost is reduced, the elastic gasket is fixedly arranged on the inner bottom surface of the thread groove, the cutter bar and the cutter holder can be prevented from being directly contacted, and meanwhile, the connection tightness of the cutter bar and the cutter holder can be improved by utilizing the elastic action of the elastic gasket; according to the milling cutter, the chip removal grooves are formed, waste chips generated by milling can be timely cleaned, the waste chips are prevented from being accumulated on the surface of plastic to damage the plastic, the chamfer surfaces are arranged on the two sides of the cutter head, burrs generated by milling can be polished, the smoothness of the burrs is improved, and the chip blocking plate is arranged to prevent the generated waste chips from splashing to the joint of a machine tool and a milling cutter to cause difficulty in dismounting the milling cutter.

Description

Plastic milling cutter with chamfer unhairing limit

Technical Field

The utility model relates to a plastic milling cutter, in particular to a plastic milling cutter with chamfering and deburring functions, and belongs to the technical field of milling cutters.

Background

A milling cutter, which is a rotary tool for milling having one or more cutter teeth, intermittently cuts off the allowance of a workpiece in sequence by each cutter tooth. The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine. In which a plastic milling cutter is commonly used when processing plastic.

However, the existing plastic milling cutter has some problems when in use:

1) the existing plastic milling cutter head and the cutter bar are mostly fixed into a whole, the cutter head cannot be replaced when the cutter head is seriously abraded, and the cutter head is generally replaced integrally, so that the use cost is increased;

2) present plastic milling cutter when milling, the sweeps easily piles up near the tool bit, causes the influence to milling work, when milling moreover, the deckle edge that produces can not immediately be polished, often need change can distinguish deckle edge's cutter specially and handle, uses more troublesome.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a plastic milling cutter with chamfer and deburring functions to solve the above problems.

The utility model realizes the purpose through the following technical scheme: comprises that

The upper end of the cutter bar is fixedly connected with an installing head, the surface of the installing head is fixedly provided with a connecting thread, and the installing head and a lathe can be conveniently connected by arranging the connecting thread;

the upper surface of the tool apron is internally and fixedly provided with a threaded groove;

the cutter head is fixedly connected to the lower end of the cutter holder, and cutting edges are symmetrically arranged on the lower side of the cutter head.

As a still further scheme of the utility model: and the lower end of the cutter bar is fixedly provided with a threaded column matched with the threaded groove.

As a still further scheme of the utility model: and an elastic gasket is fixedly arranged on the inner bottom surface of the threaded groove.

As a still further scheme of the utility model: the outside of cutter arbor has cup jointed and has kept off the bits board, the inboard that keeps off the bits board runs through and is provided with logical groove, and the rigid coupling has the rubber pad on the inner wall of one side that leads to the groove, the inside rigid coupling of outer wall that keeps off the bits board has the nut, and nut female connection has fastening bolt, and fastening bolt's lower extreme rigid coupling has the arc clamp splice.

As a still further scheme of the utility model: the downside of tool bit is provided with the chip groove.

As a still further scheme of the utility model: chamfer surfaces are arranged on two sides of the cutter head.

The utility model has the beneficial effects that:

1) according to the utility model, the cutter bar and the cutter holder can be connected through the thread meshing action between the thread groove and the thread column, so that the cutter head can be conveniently replaced when the cutter head is seriously worn, the use cost is reduced, the elastic gasket is fixedly arranged on the inner bottom surface of the thread groove, the cutter bar and the cutter holder can be prevented from being directly contacted, and meanwhile, the connection tightness of the cutter bar and the cutter holder can be improved by utilizing the elastic action of the elastic gasket;

2) according to the milling cutter, the chip removal grooves are formed, waste chips generated by milling can be timely cleaned, the waste chips are prevented from being accumulated on the surface of plastic to damage the plastic, the chamfer surfaces are arranged on the two sides of the cutter head, burrs generated by milling can be polished, the smoothness of the burrs is improved, and the chip blocking plate is arranged to prevent the generated waste chips from splashing to the joint of a machine tool and a milling cutter to cause difficulty in dismounting the milling cutter.

Drawings

FIG. 1 is a schematic view of a disassembled structure of the plastic milling cutter of the present invention;

FIG. 2 is a schematic view of a connection structure of the plastic milling cutter of the present invention;

FIG. 3 is a schematic sectional view of the chip-blocking plate of the plastic milling cutter according to the present invention.

In the figure: 1. the tool comprises a tool bar, 2, a mounting head, 3, a connecting thread, 4, a chip blocking plate, 5, a threaded column, 6, a tool apron, 7, an elastic gasket, 8, a threaded groove, 9, a tool bit, 10, a chamfer surface, 11, a chip groove, 12, a cutting edge, 13, a fastening bolt, 14, a nut, 15, an arc-shaped clamping block, 16 and a rubber gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to FIGS. 1 to 3, a plastic milling cutter with chamfer and burr removal comprises

The upper end of the cutter bar 1 is fixedly connected with an installing head 2, the surface of the installing head 2 is fixedly provided with a connecting thread 3, and the installing head 2 is conveniently connected with a lathe by the connecting thread 3;

the tool apron 6 is fixedly provided with a threaded groove 8 in the upper surface;

and the cutter head 9 is fixedly connected to the lower end of the cutter holder 6, and the lower side of the cutter head is symmetrically provided with cutting edges 12.

In the embodiment of the utility model, the lower end of the cutter bar 1 is fixedly provided with the threaded column 5 matched with the threaded groove 8, and the cutter bar 1 can be connected with the cutter holder 6 through the thread meshing action between the threaded groove 8 and the threaded column 5.

In the embodiment of the utility model, the elastic gasket 7 is fixedly arranged on the inner bottom surface of the threaded groove 8, so that the cutter bar 1 is prevented from being in direct contact with the cutter holder 6 during installation, and the connection tightness of the cutter bar can be improved by utilizing the elastic action of the elastic gasket 7.

Example two

In the embodiment of the utility model, the outer side of the cutter bar 1 is sleeved with the chip blocking plate 4, the inner side of the chip blocking plate 4 is provided with a through groove in a penetrating manner, the inner wall of one side of the through groove is fixedly connected with the rubber pad 16, the inner part of the outer wall of the chip blocking plate 4 is fixedly connected with the nut 14, the nut 14 is in threaded connection with the fastening bolt 13, the lower end of the fastening bolt 13 is fixedly connected with the arc-shaped clamping block 15, the position of the chip blocking plate 4 can be conveniently adjusted, and the situation that generated waste chips splash to the connection position of a machine tool and a milling cutter to cause difficulty in dismounting the milling cutter is avoided.

In the embodiment of the utility model, the chip removal groove 11 is formed in the lower side of the tool bit 9, so that waste chips generated by milling can be cleaned in time, and the waste chips are prevented from being accumulated on the surface of plastic to damage the plastic.

In the embodiment of the utility model, the chamfer surfaces 10 are arranged on two sides of the cutter head 9, so that burrs generated by milling can be conveniently ground, and the smoothness of the burrs is improved.

The working principle is as follows: when the plastic milling cutter is used, firstly, the plastic milling cutter is connected with a lathe through the matching action between the mounting head 2 and the connecting thread 3, milling work can be carried out after the plastic milling cutter is connected, in the using process, milling generated scraps are cleaned through the scrap discharge groove 11 arranged on the lower side of the cutter head 9, the situation that the scraps are accumulated near the cutter head 9 and a plastic material to influence the milling precision of the plastic milling cutter is avoided, burrs generated on the surface of a milling part can be directly polished through the chamfer surface 10 arranged on the upper side of the milling cutter during use, the milling smoothness is improved, the optimal scrap blocking position of the scrap blocking plate 4 is adjusted according to actual use requirements, the situation that the generated scraps are splashed to the connecting position of a machine tool and the milling cutter is avoided, the milling cutter is difficult to disassemble and assemble, the cutter head 9 and the cutter bar 1 are connected through the cutter seat 6, and when the cutter head 9 is seriously abraded in the later period, the cutter head 9 is replaced, and the use cost is reduced.

It will be evident to those skilled in the art that the utility model 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 utility model 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. A plastic milling cutter with chamfer and deburring is characterized by comprising

The upper end of the cutter bar (1) is fixedly connected with an installing head (2), a connecting thread (3) is fixedly arranged on the surface of the installing head (2), and the installing head (2) is conveniently connected with a lathe by arranging the connecting thread (3);

the upper surface of the tool apron (6) is internally and fixedly provided with a threaded groove (8);

the cutter head (9) is fixedly connected to the lower end of the cutter holder (6), and blades (12) are symmetrically arranged on the lower side of the cutter head.

2. The plastic milling cutter with chamfer deburring of claim 1, wherein: the lower end of the cutter bar (1) is fixedly provided with a thread column (5) matched with the thread groove (8).

3. The plastic milling cutter with chamfer deburring of claim 2, wherein: and an elastic gasket (7) is fixedly arranged on the inner bottom surface of the threaded groove (8).

4. The plastic milling cutter with chamfer deburring of claim 1, wherein: chip blocking plates (4) are sleeved on the outer sides of the cutter bars (1), through grooves are formed in the inner sides of the chip blocking plates (4) in a penetrating mode, rubber pads (16) are fixedly connected to the inner wall of one side of each through groove, nuts (14) are fixedly connected to the inner portions of the outer walls of the chip blocking plates (4), fastening bolts (13) are connected to the inner threads of the nuts (14), and arc-shaped clamping blocks (15) are fixedly connected to the lower ends of the fastening bolts (13).

5. The plastic milling cutter with chamfer deburring function as claimed in claim 1, wherein: the lower side of the cutter head (9) is provided with a chip groove (11).

6. The plastic milling cutter with chamfer deburring function as claimed in claim 1, wherein: and chamfer surfaces (10) are arranged on two sides of the cutter head (9).