CN219093770U

CN219093770U - Sprue milling cutter

Info

Publication number: CN219093770U
Application number: CN202223294503.3U
Authority: CN
Inventors: 方怡; 王浩
Original assignee: Jiangyin Machine Building Co ltd
Current assignee: Jiangyin Machine Building Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-05-30
Anticipated expiration: 2032-12-09

Abstract

The utility model relates to a sprue milling cutter which comprises a flaky milling cutter body, wherein two sides of the milling cutter body are provided with cutting edges, the two cutting edges are intersected at the top end of the milling cutter body to form a cutter tip, and two reinforcing blades are fixedly arranged on the milling cutter body and correspond to the two cutting edges one by one. This runner milling cutter has improved the wearability through the strengthening blade of gold material to reduce milling cutter wearing and tearing, prolonged milling cutter life, guaranteed runner quality, reduced milling cutter and changed the number of times, improved production efficiency, reduced manufacturing cost.

Description

Sprue milling cutter

Technical Field

The utility model relates to a sprue milling cutter, and belongs to the field of milling cutters.

Background

Along with the wide use of the high-pressure automatic molding line for wet mold casting, the design and manufacture of the sprue milling cutter are particularly important, the structure of the milling cutter determines the shape of the sprue cup, and the quality of castings and the production efficiency of the castings are directly related.

The utility model patent with the application number of CN201410400832.2 discloses a wet casting sprue milling cutter, which comprises a milling cutter, a wear-resistant layer and a mounting hole arranged on the milling cutter, wherein the milling cutter is divided into a sprue milling area, a pouring cup milling area and a base, the sprue milling area is peach-shaped, the sprue milling area and the pouring cup milling area are all in arc transition, the sprue milling area is connected with the pouring cup milling area through curved surface sections I with inwards concave sides, and the pouring cup milling area is connected with the base through curved surface sections II with inwards concave sides; the milling cutter is a single-piece cutter; the largest dimension of the milling area of the sprue is smaller than the smallest dimension of the milling area of the pouring cup. The utility model has the advantages of simple structure, convenient manufacture, high molding qualification rate and reduction of sand defect waste products in wet mold casting. However, the existing sprue milling cutter has short service life, is frequently replaced in the production process, not only affects the production efficiency, but also increases the production cost.

Therefore, there is a need for a sprue milling cutter that extends the service life of the sprue milling cutter.

Disclosure of Invention

The utility model aims to solve the technical problems that: in order to overcome the defects of the prior art, the sprue milling cutter is provided with the service life prolonged.

The utility model solves the problems by adopting the following technical scheme: the utility model provides a runner milling cutter, includes flaky milling cutter body, milling cutter body both sides are provided with the cutting edge, and two cutting edges intersect and form the knife tip in milling cutter body top, the fixed two reinforcing blade that are provided with on the milling cutter body, two reinforcing blade and two cutting edges one-to-one.

Preferably, the two reinforcing inserts are centrosymmetric with respect to the centre line of the milling cutter body.

Preferably, the reinforcing inserts extend to the side of the cutting edge remote from the centre line of the milling cutter body.

Preferably, the reinforcing blade has the same shape as the blade edge.

Preferably, one side of the reinforcing insert is located on the centre line of the milling cutter body.

Preferably, the milling cutter body is provided with two clamping holes, the two clamping holes are arranged at intervals from top to bottom, and the center line of the clamping holes coincides with the center line of the milling cutter body.

Preferably, a clamping groove is formed in the center of the lower end of the milling cutter body, and the clamping groove is symmetrical to the center line of the milling cutter body.

Preferably, the clamping groove is composed of a first clamping groove and a second clamping groove which are sequentially arranged from top to bottom, and the first clamping groove is communicated with the second clamping groove.

Preferably, the first clamping groove is rectangular, and the second clamping groove is isosceles trapezoid.

Preferably, the blade is subjected to induction hardening.

Compared with the prior art, the utility model has the advantages that:

according to the sprue milling cutter, the wear resistance is improved through the reinforced blade made of the gold material, so that the abrasion of the milling cutter is reduced, the service life of the milling cutter is prolonged, the sprue quality is ensured, the replacement times of the milling cutter are reduced, the production efficiency is improved, and the production cost is reduced.

Drawings

FIG. 1 is a perspective view of a sprue milling cutter according to the present utility model;

FIG. 2 is an elevation view of a gate milling cutter of the present utility model;

FIG. 3 is a left side view of a sprue milling cutter according to the present utility model;

fig. 4 is a bottom view of a sprue milling cutter according to the present utility model.

Wherein: milling cutter body 1, cutting edge 2, reinforcing insert 3, clamping hole 4, clamping groove 5, first clamping groove 5.1, second clamping groove 5.2.

Detailed Description

As shown in fig. 1-4, a gate milling cutter in this embodiment includes a sheet-shaped milling cutter body 1, cutting edges 2 are provided on two sides of the milling cutter body 1, the cutting edges 2 on two sides intersect at the top end of the milling cutter body 1 to form a cutter tip, two reinforcing blades 3 made of alloy materials are welded on the milling cutter body 1, the two reinforcing blades 3 are in one-to-one correspondence with the two cutting edges 2, the two reinforcing blades 3 are centrosymmetric with respect to the central line of the milling cutter body 1, the reinforcing blades 3 extend to one side of the cutting edges 2 far away from the central line of the milling cutter body 1, the shape of the reinforcing blades 3 is identical with that of the cutting edges 2, one side of the reinforcing blades 3 is positioned on the central line of the milling cutter body 1, and the wear resistance is improved by the reinforcing blades 3 made of the two alloy materials, so that the wear of the milling cutter is reduced, the service life of the milling cutter is prolonged, the gate quality is ensured, the number of times of replacement of the milling cutter is reduced, the production efficiency is improved, and the production cost is reduced.

The milling cutter body 1 is provided with two clamping holes 4, the two clamping holes 4 are arranged at intervals from top to bottom, and the center line of the clamping holes coincides with the center line of the milling cutter body, so that the rotation center after clamping and the center line of the sprue milling cutter are ensured to be on the same straight line, the rotation stability of the sprue milling cutter is improved, and the machining precision of the sprue milling cutter is ensured.

The center of the lower end of the milling cutter body 1 is provided with a clamping groove 5, the clamping groove 5 is symmetrical relative to the center line of the milling cutter body 1, the clamping groove 5 is composed of a first clamping groove 5.1 and a second clamping groove 5.2 which are sequentially arranged from top to bottom, the first clamping groove 5.1 is communicated with the second clamping groove 5.2, the first clamping groove 5.1 is rectangular, and the second clamping groove 5.2 is isosceles trapezoid.

The cutting edge 2 is subjected to high-frequency quenching treatment, so that the hardness of the cutting edge 2 is increased.

In addition to the above embodiments, the present utility model also includes other embodiments, and all technical solutions that are formed by equivalent transformation or equivalent substitution should fall within the protection scope of the claims of the present utility model.

Claims

1. The utility model provides a runner milling cutter, its characterized in that includes flaky milling cutter body (1), milling cutter body (1) both sides are provided with cutting edge (2), and two cutting edge (2) intersect in milling cutter body (1) top and form the knife tip, fixed being provided with two enhancement blade (3) on milling cutter body (1), two enhancement blade (3) and two cutting edge (2) one-to-one.

2. The gate milling cutter of claim 1, wherein: the two reinforcing inserts (3) are centrosymmetric with respect to the centre line of the milling cutter body (1).

3. The gate milling cutter of claim 1, wherein: the reinforcing insert (3) extends to a side of the cutting edge (2) remote from the centre line of the milling cutter body (1).

4. The gate milling cutter of claim 1, wherein: the shape of the reinforcing blade (3) is the same as that of the cutting edge (2).

5. The gate milling cutter of claim 1, wherein: one side of the reinforcing blade (3) is positioned on the central line of the milling cutter body (1).

6. The gate milling cutter of claim 1, wherein: two clamping holes (4) are formed in the milling cutter body (1), the two clamping holes (4) are arranged at intervals from top to bottom, and the center line of each clamping hole coincides with the center line of the milling cutter body.

7. The gate milling cutter of claim 1, wherein: the center of the lower end of the milling cutter body (1) is provided with a clamping groove (5), and the clamping groove (5) is symmetrical with the center line of the milling cutter body (1).

8. The gate milling cutter of claim 7, wherein: the clamping groove (5) is composed of a first clamping groove (5.1) and a second clamping groove (5.2) which are sequentially arranged from top to bottom, and the first clamping groove (5.1) is communicated with the second clamping groove (5.2).

9. The gate milling cutter of claim 8, wherein: the first clamping groove (5.1) is rectangular, and the second clamping groove (5.2) is isosceles trapezoid.

10. The gate milling cutter of claim 1, wherein: the blade (2) is subjected to high-frequency quenching treatment.