CN213410685U

CN213410685U - Alloy screw tap for cast iron processing

Info

Publication number: CN213410685U
Application number: CN202022261505.7U
Authority: CN
Inventors: 金如荣
Original assignee: Changzhou Inmans Tools Co ltd
Current assignee: Changzhou Inmans Tools Co ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-06-11
Anticipated expiration: 2030-10-13

Abstract

The utility model discloses an alloy screw tap for cast iron processing, including drill point, drilling rod, installation head A, screw, connecting rod, disk, installation head B, recess, interface slot, joint, drill bit, spread groove and pole body. The utility model has the advantages that: the heliciform is personally submitted to the drilling rod outward surface, the interval sets up the sword line, be convenient for improve process velocity and precision, improve chip removal efficiency and improve centering nature, improve processingquality, the drilling rod adopts the high rigidity tungsten steel alloy to make, the intensity of the improve device of being convenient for, it is not fragile to make the device, the drill bit is through inserting and putting on pole body top, and rather than being detachable connection through the screw fixation, be convenient for dismantle the drill bit alone, the convenience is changed the drill bit, the disk is rather than being fixed connection through the welding at the connecting rod surface, be convenient for increase heat radiating area, effectively dispel the heat, prevent that the drill bit from softening, drill bit and pole body are all scribbled wear-resistant coating, the wearability.

Description

Alloy screw tap for cast iron processing

Technical Field

The utility model relates to a screw tap specifically is an alloy screw tap for cast iron processing, belongs to cutting tool technical field.

Background

The screw tap is a tool for processing internal threads, and is provided with a groove along the axial direction. Also known as a tap. The tap is classified into a straight-fluted tap, a spiral-fluted tap and a spiral-pointed tap (tip tap) according to the shape thereof. The straight flute screw tap is easy to process, the precision is slightly low, and the yield is large. The cutting tool is generally used for thread machining of common lathes, drilling machines and tapping machines, and has low cutting speed. The spiral fluted tap is mainly used for drilling blind holes in a numerical control machining center, and has the advantages of high machining speed, high precision, good chip removal and good centering property. The front part of the spiral pointed tap is provided with a chip groove for processing a through hole. Most of taps provided by tool factories are coated taps, and compared with uncoated taps, the service life and the cutting performance of the coated taps are greatly improved. The tap with unequal diameter design has reasonable cutting load distribution, high machining quality and high manufacturing cost. Trapezoidal thread taps are often designed with unequal diameters.

The existing screw tap is simple in structure, the existing screw tap is not made of tungsten steel alloy, low in strength and not durable, the wear-resistant coating is not arranged on the outer surfaces of the existing screw tap, the service life of the existing screw tap is short, and the existing screw tap is not provided with a heat dissipation design, so that a drill bit can be softened after the existing screw tap is used for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an alloy tap for cast iron processing in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: an alloy screw tap for cast iron processing comprises a drill tip, a drill rod, an installation head A, a screw, a connecting rod, a wafer, an installation head B, a groove, a connector groove, a joint, a drill bit, a connecting groove and a rod body; the drill bit and the rod body form a main body structure of the device, the drill bit comprises a drill point, a drill rod and a connector, the rod body comprises an installation head A, a connecting rod, a wafer and an installation head B, the top end of the drill rod is connected with the drill point, the bottom end of the drill rod is fixedly connected with the top end of the connector through welding, a groove is formed in the side face of the installation head A, a screw is installed in the groove, the bottom end of the installation head A is connected with the top end of the connecting rod through welding, the bottom end of the connecting rod is fixedly connected with the top end of the installation head B through welding, an interface groove is formed in the side face of the lower end of the installation head B, the wafer is installed on.

Preferably, in order to improve the processing speed and the precision and improve the chip removal efficiency and the centering property, the outer surface of the drill rod is in a spiral shape, and cutter lines are arranged at intervals.

Preferably, in order to improve the strength of the device, the drill rod is made of high-hardness tungsten steel alloy.

Preferably, in order to be able to detach the drill bit independently, the drill bit is inserted into the top end of the rod body and is detachably connected with the rod body through screw fixation.

Preferably, in order to increase the heat dissipation area and effectively dissipate heat, the wafer is fixedly connected with the outer surface of the connecting rod by welding.

Preferably, in order to improve the wear resistance of the device, the drill bit and the shaft are coated with a wear resistant coating.

The utility model has the advantages that: this an alloy screw tap for cast iron processing reasonable in design, the drilling rod outward surface is the heliciform, the interval sets up the sword line, be convenient for improve process velocity and precision, it improves the centering nature to improve chip removal efficiency, improve processingquality, the drilling rod adopts the high rigidity tungsten steel alloy to make, the intensity of the improving device of being convenient for, it is not fragile to make the device, the drill bit is through inserting put on pole body top, and rather than being detachable connection through the screw fixation, be convenient for dismantle the drill bit alone, the convenience is changed the drill bit, the disk is fixed connection rather than through the welding at the connecting rod surface, be convenient for increase heat radiating area, effectively dispel the heat, prevent that the drill bit from softening, drill bit and pole body are gone up all scribbled wear-resistant coating, the.

Drawings

FIG. 1 is a schematic view of the appearance structure of the present invention;

FIG. 2 is a schematic view of the split structure of the present invention;

fig. 3 is a schematic side view of the present invention.

In the figure: 1. the drilling tool comprises a drill tip, 2, a drill rod, 3, mounting heads A and 4, screws, 5, connecting rods, 6, a wafer, 7, mounting heads B and 8, a groove, 9, a connector groove, 10, a connector, 11, a drill bit, 12, a connecting groove, 13 and a tool body.

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 3, an alloy tap for cast iron processing includes a drill tip 1, a drill rod 2, an installation head a3, a screw 4, a connecting rod 5, a wafer 6, an installation head B7, a groove 8, a connector groove 9, a joint 10, a drill 11, a connection groove 12 and a shaft 13; the drill bit 11 and the rod body 13 form a main body structure of the device, the drill bit 11 is composed of a drill tip 1, a drill rod 2 and a connector 10, the rod body 13 is composed of a mounting head A3, a connecting rod 5, a circular sheet 6 and a mounting head B7, the top end of the drill rod 2 is connected with the drill tip 1, the bottom end of the drill rod is fixedly connected with the top end of the connector 10 through welding, a groove 8 is formed in the side face of the mounting head A3, a screw 4 is mounted in the groove 8, the bottom end of the mounting head A3 is connected with the top end of the connecting rod 5 through welding, the bottom end of the connecting rod 5 is fixedly connected with the top end of the mounting head B7 through welding, an interface groove 9 is formed in the side face of the lower end of the mounting head B7, the circular sheet 6 is mounted on.

2 outward surfaces of drilling rod are the heliciform, and the interval sets up the sword line, is convenient for improve process velocity and precision, improves chip removal efficiency and improves centering nature, improves processingquality, drilling rod 2 adopts the high rigidity tungsten steel alloy to make, is convenient for improve device's intensity, makes the device not fragile, drill bit 11 is through inserting put on pole body 13 top to fix rather than being detachable connection through screw 4, be convenient for dismantle drill bit 11 alone, the convenience is changed drill bit 11, disk 6 is fixed connection rather than being through the welding at 5 outer surfaces of connecting rod, the increase heat radiating area of being convenient for, effectively dispels the heat, prevents that drill bit 11 from softening, drill bit 11 and pole body 13 are gone up all to be scribbled wear-resistant coating, the wearability of the improvement device of being convenient for, extension fixture life.

The working principle is as follows: when the alloy tap for cast iron machining is used, the joint 10 at the bottom end of the drill bit 11 is inserted into the connecting groove 12 and fixed by the screw 4, then the device is installed on a machine to be used through the installing head B7, when the alloy tap for cast iron machining is used, the drill bit 11 is aligned with cast iron to drill, internal thread machining can be carried out, and the wafer 6 can take away heat on the device in time, so that the device cannot be overheated.

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. An alloy tap for cast iron machining is characterized in that: the drilling tool comprises a drill point (1), a drill rod (2), a mounting head A (3), a screw (4), a connecting rod (5), a circular sheet (6), a mounting head B (7), a groove (8), a connector groove (9), a connector (10), a drill bit (11), a connecting groove (12) and a rod body (13); the alloy tap body structure is characterized in that the drill bit (11) and the rod body (13) form the alloy tap body structure, the drill bit (11) comprises a drill point (1), a drill rod (2) and a joint (10), the rod body (13) comprises an installation head A (3), a connecting rod (5), a wafer (6) and an installation head B (7), the top end of the drill rod (2) is connected with the drill point (1), the bottom end of the drill rod is fixedly connected with the top end of the joint (10) through welding, a groove (8) is formed in the side face of the installation head A (3), a screw (4) is installed in the groove (8), the bottom end of the installation head A (3) is connected with the top end of the connecting rod (5) through welding, the bottom end of the connecting rod (5) is fixedly connected with the top end of the installation head B (7) through welding, an interface groove (9) is formed in the side face of the lower end of the installation head, the top end of the mounting head A (3) is provided with a connecting groove (12), and the joint (10) is mounted in the connecting groove (12).

2. An alloy tap for cast iron machining according to claim 1, characterized in that: the outer surface of the drill rod (2) is spiral, and cutter grains are arranged at intervals.

3. An alloy tap for cast iron machining according to claim 1, characterized in that: the drill rod (2) is made of high-hardness tungsten steel alloy.

4. An alloy tap for cast iron machining according to claim 1, characterized in that: the drill bit (11) is inserted at the top end of the rod body (13) and is fixed by a screw (4) to be detachably connected with the drill bit.

5. An alloy tap for cast iron machining according to claim 1, characterized in that: the wafer (6) is fixedly connected with the outer surface of the connecting rod (5) through welding.

6. An alloy tap for cast iron machining according to claim 1, characterized in that: and the drill bit (11) and the shaft body (13) are coated with wear-resistant coatings.