CN209394111U

CN209394111U - A kind of fine pitch screw cutter

Info

Publication number: CN209394111U
Application number: CN201920048047.3U
Authority: CN
Inventors: 陈真
Original assignee: Shanghai Xima Ren Diamond Precision Tools Co Ltd
Current assignee: Shanghai Xima Ren Diamond Precision Tools Co Ltd
Priority date: 2019-01-11
Filing date: 2019-01-11
Publication date: 2019-09-17
Anticipated expiration: 2029-01-11

Abstract

The utility model discloses a kind of fine pitch screw cutters, including the first knife handle, protective case, foreign fiber, sliding slot and groove, center position at the top of first knife handle is equipped with sliding slot, the center position of sliding slot bottom is equipped with the second knife handle, knife neck is installed above second knife handle, card slot is all equipped on two lateral walls of knife neck bottom, groove is equipped at the top of the second knife handle below the knife neck, the top of the knife neck is fixed with blade, taper spine piece is all equipped on two lateral walls of blade, the one ends wound on first knife handle surface has protective case, the inside of protective case is filled with foreign fiber, the first knife handle surface above the protective case is equipped with chute hole.The utility model not only increases convenience when screw cutter uses, and improves the scope of application of screw cutter, also improves the comfort of staff when screw cutter uses.

Description

A kind of fine pitch screw cutter

Technical field

The utility model relates to screw cutter technical field, specially a kind of fine pitch screw cutter.

Background technique

Traditional Screw thread process method predominantly use threading tool cutted thread or using screw tap, screw die craft tapping and Hitch, with the development of Computerized Numerical Control processing technology, the especially appearance of three-shaft linkage digital-control processing system, screw cutter gradually generation For traditional method, the durability of screw cutter is more than ten times or even decades of times of the objects such as screw tap, and is also had other excellent Gesture, thus developed country has produced in enormous quantities, is widely used in milling process, screw cutter at present on the market is varied, But it is functional more single, can only meet the needs of people are basic, the blade of screw cutter after a protracted use, inherently It wears, needs replacing at this time, but traditional screw cutter is all fixed using welding, replacement is got up very not Just, when carrying out milling to the object of different scales, need to prepare more cutter, it is single using the screw cutter of different size Screw cutter still have certain limitation, another person staff holds screw cutter for a long time, necessarily will appear hand The heart is perspired or the situation of palm of the hand pain, therefore need to make corresponding improvement for above-mentioned.

Utility model content

It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of fine pitch screw cutter Problem.

To achieve the above object, the utility model provides the following technical solutions: a kind of fine pitch screw cutter, including first Knife handle, protective case, foreign fiber, sliding slot and groove, the center position at the top of first knife handle are equipped with sliding slot, sliding slot bottom Center position be equipped with the second knife handle, and the top of the second knife handle extends to the outside of the first knife handle, second knife handle Top is equipped with knife neck, and card slot is all equipped on two lateral walls of knife neck bottom, is equipped at the top of the second knife handle below the knife neck Groove, the top of the knife neck are fixed with blade, are all equipped with taper spine piece, the first knife handle table on two lateral walls of blade The one ends wound in face has protective case, and the first knife handle surface above protective case is equipped with chute hole.

Preferably, the inside of the protective case is filled with foreign fiber.

Preferably, the surface of the protective case is equipped with equidistant anti-slip hole.

Preferably, the length of the sliding slot is greater than the length of chute hole.

Preferably, the surface of the chute hole is equipped with equidistant limit hole.

Preferably, the first knife handle surface of the chute hole bottom is equipped with sliding block, and the bottom end of sliding block extends to the first knife The inside of handle is simultaneously fixedly connected with the outer wall of the second knife handle.

Preferably, fixture block is all equipped on two inner sidewalls of the groove top, and fixture block and card slot cooperate.

Compared with prior art, the utility model has the beneficial effects that the fine pitch screw cutter not only increases screw thread Convenience when milling cutter uses, improves the scope of application of screw cutter, also improves staff when screw cutter uses Comfort；

1, by setting card slot on two lateral wall of knife neck bottom, groove, groove top are set at the top of the second knife handle below knife neck Fixture block is set on two inner sidewalls, realizes the function that screw cutter is conveniently replaceable, thus convenient when improving screw cutter use Property；

2, by setting sliding slot at the first knife handle top center, the first knife handle surface sets chute hole above protective case, Sliding slot hole surface sets equidistant limit hole, and chute hole bottom the first knife handle surface sets sliding block, realizes screw cutter and adjusts length The function of degree, to improve the scope of application of screw cutter；

3, by filling foreign fiber, protective case surface inside the first knife handle surface one ends wound protective case, protective case If equidistant anti-slip hole, screw cutter is realized to the safeguard function of hand, is worked when to improving screw cutter use The comfort of personnel.

Detailed description of the invention

Fig. 1 is the schematic view of the front view of the utility model；

Fig. 2 is the external structure schematic diagram of the utility model；

Fig. 3 is the present invention looks up structural representation of the utility model；

Fig. 4 is the broken section structural schematic diagram of the utility model.

In figure: 1, the first knife handle；2, protective case；3, foreign fiber；4, sliding block；5, blade；6, taper spine piece；7, knife Neck；8, the second knife handle；9, sliding slot；10, chute hole；11, anti-slip hole；12, limit hole；13, fixture block；14, card slot；15, groove.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4 is please referred to, a kind of embodiment provided by the utility model: a kind of fine pitch screw cutter, including the first knife The center position of handle 1, protective case 2, foreign fiber 3, sliding slot 9 and groove 15,1 top of the first knife handle is equipped with sliding slot 9, sliding slot 9 The center position of bottom is equipped with the second knife handle 8, and the top of the second knife handle 8 extends to the outside of the first knife handle 1, sliding slot 9 Length is greater than the length of chute hole 10, is convenient for length adjustment, and the top of the second knife handle 8 is equipped with knife neck 7, and the two of 7 bottom of knife neck It is all equipped with card slot 14 on lateral wall, groove 15, two inner sidewalls at 15 top of groove are equipped at the top of the second knife handle 8 of 7 lower section of knife neck On be all equipped with fixture block 13, and fixture block 13 and card slot 14 cooperate, and are convenient for replacing, and the top of knife neck 7 is fixed with blade 5, Taper spine piece 6 is all equipped on two lateral walls of blade 5, the one ends wound on 1 surface of the first knife handle has protective case 2, protective case 2 Inside is filled with foreign fiber 3, extends the service life of protective case 2, and the surface of protective case 2 is equipped with equidistant anti-slip hole 11, the frictional force of screw cutter and hand is improved, 1 surface of the first knife handle of 2 top of protective case is equipped with chute hole 10, chute hole 10 surface is equipped with equidistant limit hole 12, is convenient for limit and fixes, 1 surface of the first knife handle of 10 bottom of chute hole is set There is sliding block 4, and the bottom end of sliding block 4 extends to the inside of the first knife handle 1 and is fixedly connected with the outer wall of the second knife handle 8, is convenient for spiral shell The length adjustment of line milling cutter.

Working principle: when screw cutter in use, first by pulling the knife neck 7 of 8 top of the second knife handle, push up groove 15 Fixture block 13 on two inner sidewall of portion detaches the card slot 14 on 7 bottom of knife neck, two lateral wall, completes the replacement of screw cutter, logical The sliding block 4 on sliding 10 the first knife handle of bottom of chute hole, 1 surface is crossed, drives the second knife handle 8 at 9 bottom centre position of sliding slot the Sliding block 4 is slid into 12 position of limit hole on 10 surface of chute hole by 9 internal slide of sliding slot at one knife handle, 1 top center Place, completes the length adjustment of screw cutter, is protected finally by the protective case 2 of 1 surface one end of the first knife handle hand, The comfort of user is improved, while the foreign fiber 3 inside protective case 2 assists protective case 2, extends protective case 2 service life, and the anti-slip hole 11 on 2 surface of protective case improves its frictional force, so as to complete the use of screw cutter.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

Claims

1. a kind of fine pitch screw cutter, including the first knife handle (1), protective case (2), foreign fiber (3), sliding slot (9) and groove (15), it is characterised in that: the center position at the top of first knife handle (1) is equipped with sliding slot (9), the center of sliding slot (9) bottom The second knife handle (8) are equipped at position, and the top of the second knife handle (8) extends to the outside of the first knife handle (1), second knife handle (8) it is equipped with above knife neck (7), is all equipped with card slot (14) on two lateral walls of knife neck (7) bottom, below the knife neck (7) The second knife handle (8) at the top of be equipped with groove (15), the top of the knife neck (7) is fixed with blade (5), two outsides of blade (5) Taper spine piece (6) is all equipped on wall, the one ends wound on the first knife handle (1) surface has protective case (2), on protective case (2) The first knife handle (1) surface of side is equipped with chute hole (10).

2. a kind of fine pitch screw cutter according to claim 1, it is characterised in that: the inside of the protective case (2) is filled out Filled with foreign fiber (3).

3. a kind of fine pitch screw cutter according to claim 1, it is characterised in that: the surface of the protective case (2) is set There are equidistant anti-slip hole (11).

4. a kind of fine pitch screw cutter according to claim 1, it is characterised in that: the length of the sliding slot (9) is greater than The length of chute hole (10).

5. a kind of fine pitch screw cutter according to claim 1, it is characterised in that: the surface of the chute hole (10) is set There are equidistant limit hole (12).

6. a kind of fine pitch screw cutter according to claim 1, it is characterised in that: the of chute hole (10) bottom One knife handle (1) surface be equipped with sliding block (4), and the bottom end of sliding block (4) extend to the first knife handle (1) inside and with the second knife handle (8) outer wall is fixedly connected.

7. a kind of fine pitch screw cutter according to claim 1, it is characterised in that: at the top of the groove (15) two in Fixture block (13) all are equipped on side wall, and fixture block (13) and card slot (14) cooperate.